diff options
| author | Ulf Samuelsson <ulf.samuelsson@atmel.com> | 2007-07-31 23:28:22 +0000 |
|---|---|---|
| committer | Ulf Samuelsson <ulf.samuelsson@atmel.com> | 2007-07-31 23:28:22 +0000 |
| commit | f7e034d1b27acc0c27a01291314aeb843e551a99 (patch) | |
| tree | 4efddd811387aa71d8c753ca16e886608663cb7f /toolchain | |
| parent | 0a8aa89e761dc4d5a2545cc18b5097af3456963f (diff) | |
| download | buildroot-novena-f7e034d1b27acc0c27a01291314aeb843e551a99.tar.gz buildroot-novena-f7e034d1b27acc0c27a01291314aeb843e551a99.zip | |
Revert Atmel patches for now
Diffstat (limited to 'toolchain')
| -rw-r--r-- | toolchain/kernel-headers/linux-2.6.21.5-003-atmel.1-avr32-updates.patch | 17772 | ||||
| -rw-r--r-- | toolchain/kernel-headers/linux-2.6.22.1-003-atmel.3-avr32-updates.patch | 14820 |
2 files changed, 0 insertions, 32592 deletions
diff --git a/toolchain/kernel-headers/linux-2.6.21.5-003-atmel.1-avr32-updates.patch b/toolchain/kernel-headers/linux-2.6.21.5-003-atmel.1-avr32-updates.patch deleted file mode 100644 index a07c9f3f9..000000000 --- a/toolchain/kernel-headers/linux-2.6.21.5-003-atmel.1-avr32-updates.patch +++ /dev/null @@ -1,17772 +0,0 @@ -diff --git a/MAINTAINERS b/MAINTAINERS -index 277877a..a5bdfa6 100644 ---- a/MAINTAINERS -+++ b/MAINTAINERS -@@ -1434,6 +1434,11 @@ L: linux-scsi@vger.kernel.org - W: http://www.icp-vortex.com/ - S: Supported - -+GENERIC GPIO I2C DRIVER -+P: Haavard Skinnemoen -+M: hskinnemoen@atmel.com -+S: Supported -+ - GENERIC HDLC DRIVER, N2, C101, PCI200SYN and WANXL DRIVERS - P: Krzysztof Halasa - M: khc@pm.waw.pl -diff --git a/Makefile b/Makefile -index 7980f39..388b666 100644 ---- a/Makefile -+++ b/Makefile -@@ -1,7 +1,7 @@ - VERSION = 2 - PATCHLEVEL = 6 - SUBLEVEL = 21 --EXTRAVERSION = .3 -+EXTRAVERSION = .3.atmel.1 - NAME = Nocturnal Monster Puppy - - # *DOCUMENTATION* -diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig -index ce4013a..3956118 100644 ---- a/arch/avr32/Kconfig -+++ b/arch/avr32/Kconfig -@@ -57,9 +57,6 @@ config ARCH_HAS_ILOG2_U64 - bool - default n - --config GENERIC_BUST_SPINLOCK -- bool -- - config GENERIC_HWEIGHT - bool - default y -@@ -68,6 +65,11 @@ config GENERIC_CALIBRATE_DELAY - bool - default y - -+config GENERIC_BUG -+ bool -+ default y -+ depends on BUG -+ - source "init/Kconfig" - - menu "System Type and features" -@@ -106,6 +108,9 @@ choice - config BOARD_ATSTK1000 - bool "ATSTK1000 evaluation board" - select BOARD_ATSTK1002 if CPU_AT32AP7000 -+ -+config BOARD_ATNGW100 -+ bool "ATNGW100 Network Gateway" - endchoice - - choice -@@ -116,6 +121,8 @@ config LOADER_U_BOOT - bool "U-Boot (or similar) bootloader" - endchoice - -+source "arch/avr32/mach-at32ap/Kconfig" -+ - config LOAD_ADDRESS - hex - default 0x10000000 if LOADER_U_BOOT=y && CPU_AT32AP7000=y -@@ -164,6 +171,10 @@ config OWNERSHIP_TRACE - enabling Nexus-compliant debuggers to keep track of the PID of the - currently executing task. - -+config DW_DMAC -+ tristate "Synopsys DesignWare DMA Controller support" -+ default y if CPU_AT32AP7000 -+ - # FPU emulation goes here - - source "kernel/Kconfig.hz" -diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile -index 7b842e9..eb72198 100644 ---- a/arch/avr32/Makefile -+++ b/arch/avr32/Makefile -@@ -16,7 +16,7 @@ AFLAGS += -mrelax -mno-pic - CFLAGS_MODULE += -mno-relax - LDFLAGS_vmlinux += --relax - --cpuflags-$(CONFIG_CPU_AP7000) += -mcpu=ap7000 -+cpuflags-$(CONFIG_CPU_AT32AP7000) += -mcpu=ap7000 - - CFLAGS += $(cpuflags-y) - AFLAGS += $(cpuflags-y) -@@ -27,9 +27,11 @@ head-$(CONFIG_LOADER_U_BOOT) += arch/avr32/boot/u-boot/head.o - head-y += arch/avr32/kernel/head.o - core-$(CONFIG_PLATFORM_AT32AP) += arch/avr32/mach-at32ap/ - core-$(CONFIG_BOARD_ATSTK1000) += arch/avr32/boards/atstk1000/ -+core-$(CONFIG_BOARD_ATNGW100) += arch/avr32/boards/atngw100/ - core-$(CONFIG_LOADER_U_BOOT) += arch/avr32/boot/u-boot/ - core-y += arch/avr32/kernel/ - core-y += arch/avr32/mm/ -+drivers-y += arch/avr32/drivers/ - libs-y += arch/avr32/lib/ - - archincdir-$(CONFIG_PLATFORM_AT32AP) := arch-at32ap -diff --git a/arch/avr32/boards/atngw100/Makefile b/arch/avr32/boards/atngw100/Makefile -new file mode 100644 -index 0000000..c740aa1 ---- /dev/null -+++ b/arch/avr32/boards/atngw100/Makefile -@@ -0,0 +1 @@ -+obj-y += setup.o flash.o -diff --git a/arch/avr32/boards/atngw100/flash.c b/arch/avr32/boards/atngw100/flash.c -new file mode 100644 -index 0000000..f9b32a8 ---- /dev/null -+++ b/arch/avr32/boards/atngw100/flash.c -@@ -0,0 +1,95 @@ -+/* -+ * ATNGW100 board-specific flash initialization -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/init.h> -+#include <linux/platform_device.h> -+#include <linux/mtd/mtd.h> -+#include <linux/mtd/partitions.h> -+#include <linux/mtd/physmap.h> -+ -+#include <asm/arch/smc.h> -+ -+static struct smc_config flash_config __initdata = { -+ .ncs_read_setup = 0, -+ .nrd_setup = 40, -+ .ncs_write_setup = 0, -+ .nwe_setup = 10, -+ -+ .ncs_read_pulse = 80, -+ .nrd_pulse = 40, -+ .ncs_write_pulse = 65, -+ .nwe_pulse = 55, -+ -+ .read_cycle = 120, -+ .write_cycle = 120, -+ -+ .bus_width = 2, -+ .nrd_controlled = 1, -+ .nwe_controlled = 1, -+ .byte_write = 1, -+}; -+ -+static struct mtd_partition flash_parts[] = { -+ { -+ .name = "u-boot", -+ .offset = 0x00000000, -+ .size = 0x00020000, /* 128 KiB */ -+ .mask_flags = MTD_WRITEABLE, -+ }, -+ { -+ .name = "root", -+ .offset = 0x00020000, -+ .size = 0x007d0000, -+ }, -+ { -+ .name = "env", -+ .offset = 0x007f0000, -+ .size = 0x00010000, -+ .mask_flags = MTD_WRITEABLE, -+ }, -+}; -+ -+static struct physmap_flash_data flash_data = { -+ .width = 2, -+ .nr_parts = ARRAY_SIZE(flash_parts), -+ .parts = flash_parts, -+}; -+ -+static struct resource flash_resource = { -+ .start = 0x00000000, -+ .end = 0x007fffff, -+ .flags = IORESOURCE_MEM, -+}; -+ -+static struct platform_device flash_device = { -+ .name = "physmap-flash", -+ .id = 0, -+ .resource = &flash_resource, -+ .num_resources = 1, -+ .dev = { -+ .platform_data = &flash_data, -+ }, -+}; -+ -+/* This needs to be called after the SMC has been initialized */ -+static int __init atngw100_flash_init(void) -+{ -+ int ret; -+ -+ ret = smc_set_configuration(0, &flash_config); -+ if (ret < 0) { -+ printk(KERN_ERR "atngw100: failed to set NOR flash timing\n"); -+ return ret; -+ } -+ -+ platform_device_register(&flash_device); -+ -+ return 0; -+} -+device_initcall(atngw100_flash_init); -diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c -new file mode 100644 -index 0000000..3cbdc2d ---- /dev/null -+++ b/arch/avr32/boards/atngw100/setup.c -@@ -0,0 +1,131 @@ -+/* -+ * Board-specific setup code for the ATNGW100 Network Gateway -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/clk.h> -+#include <linux/etherdevice.h> -+#include <linux/init.h> -+#include <linux/linkage.h> -+#include <linux/platform_device.h> -+#include <linux/types.h> -+#include <linux/spi/spi.h> -+ -+#include <asm/io.h> -+#include <asm/setup.h> -+ -+#include <asm/arch/at32ap7000.h> -+#include <asm/arch/board.h> -+#include <asm/arch/init.h> -+ -+/* Initialized by bootloader-specific startup code. */ -+struct tag *bootloader_tags __initdata; -+ -+struct eth_addr { -+ u8 addr[6]; -+}; -+static struct eth_addr __initdata hw_addr[2]; -+static struct eth_platform_data __initdata eth_data[2]; -+ -+static struct spi_board_info spi0_board_info[] __initdata = { -+ { -+ .modalias = "mtd_dataflash", -+ .max_speed_hz = 10000000, -+ .chip_select = 0, -+ }, -+}; -+ -+static struct mci_platform_data __initdata mci0_data = { -+ .detect_pin = GPIO_PIN_PC(25), -+ .wp_pin = GPIO_PIN_PE(0), -+}; -+ -+/* -+ * The next two functions should go away as the boot loader is -+ * supposed to initialize the macb address registers with a valid -+ * ethernet address. But we need to keep it around for a while until -+ * we can be reasonably sure the boot loader does this. -+ * -+ * The phy_id is ignored as the driver will probe for it. -+ */ -+static int __init parse_tag_ethernet(struct tag *tag) -+{ -+ int i; -+ -+ i = tag->u.ethernet.mac_index; -+ if (i < ARRAY_SIZE(hw_addr)) -+ memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address, -+ sizeof(hw_addr[i].addr)); -+ -+ return 0; -+} -+__tagtable(ATAG_ETHERNET, parse_tag_ethernet); -+ -+static void __init set_hw_addr(struct platform_device *pdev) -+{ -+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ const u8 *addr; -+ void __iomem *regs; -+ struct clk *pclk; -+ -+ if (!res) -+ return; -+ if (pdev->id >= ARRAY_SIZE(hw_addr)) -+ return; -+ -+ addr = hw_addr[pdev->id].addr; -+ if (!is_valid_ether_addr(addr)) -+ return; -+ -+ /* -+ * Since this is board-specific code, we'll cheat and use the -+ * physical address directly as we happen to know that it's -+ * the same as the virtual address. -+ */ -+ regs = (void __iomem __force *)res->start; -+ pclk = clk_get(&pdev->dev, "pclk"); -+ if (!pclk) -+ return; -+ -+ clk_enable(pclk); -+ __raw_writel((addr[3] << 24) | (addr[2] << 16) -+ | (addr[1] << 8) | addr[0], regs + 0x98); -+ __raw_writel((addr[5] << 8) | addr[4], regs + 0x9c); -+ clk_disable(pclk); -+ clk_put(pclk); -+} -+ -+struct platform_device *at32_usart_map[1]; -+unsigned int at32_nr_usarts = 1; -+ -+void __init setup_board(void) -+{ -+ at32_map_usart(1, 0); /* USART 1: /dev/ttyS0, DB9 */ -+ at32_setup_serial_console(0); -+} -+ -+static int __init atngw100_init(void) -+{ -+ /* -+ * ATNGW100 uses 16-bit SDRAM interface, so we don't need to -+ * reserve any pins for it. -+ */ -+ -+ at32_add_system_devices(); -+ -+ at32_add_device_usart(0); -+ -+ set_hw_addr(at32_add_device_eth(0, ð_data[0])); -+ set_hw_addr(at32_add_device_eth(1, ð_data[1])); -+ -+ at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info)); -+ at32_add_device_mci(0, &mci0_data); -+ at32_add_device_usba(0); -+ -+ return 0; -+} -+postcore_initcall(atngw100_init); -diff --git a/arch/avr32/boards/atstk1000/atstk1000.h b/arch/avr32/boards/atstk1000/atstk1000.h -new file mode 100644 -index 0000000..9a49ed0 ---- /dev/null -+++ b/arch/avr32/boards/atstk1000/atstk1000.h -@@ -0,0 +1,15 @@ -+/* -+ * ATSTK1000 setup code: Daughterboard interface -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __ARCH_AVR32_BOARDS_ATSTK1000_ATSTK1000_H -+#define __ARCH_AVR32_BOARDS_ATSTK1000_ATSTK1000_H -+ -+extern struct atmel_lcdfb_info atstk1000_lcdc_data; -+ -+#endif /* __ARCH_AVR32_BOARDS_ATSTK1000_ATSTK1000_H */ -diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c -index 5974768..84c22b2 100644 ---- a/arch/avr32/boards/atstk1000/atstk1002.c -+++ b/arch/avr32/boards/atstk1000/atstk1002.c -@@ -14,7 +14,12 @@ - #include <linux/platform_device.h> - #include <linux/string.h> - #include <linux/types.h> -+ - #include <linux/spi/spi.h> -+#include <linux/spi/at73c213.h> -+#include <linux/gpio_mouse.h> -+ -+#include <video/atmel_lcdc.h> - - #include <asm/io.h> - #include <asm/setup.h> -@@ -23,6 +28,7 @@ - #include <asm/arch/init.h> - #include <asm/arch/portmux.h> - -+#include "atstk1000.h" - - #define SW2_DEFAULT /* MMCI and UART_A available */ - -@@ -31,19 +37,82 @@ struct eth_addr { - }; - - static struct eth_addr __initdata hw_addr[2]; -- - static struct eth_platform_data __initdata eth_data[2]; --extern struct lcdc_platform_data atstk1000_fb0_data; -+ -+static struct at73c213_board_info at73c213_data = { -+ .dac_clk = "gclk0", -+ .i2s_dev = 0, -+ .shortname = "AVR32 STK1000 external DAC", -+}; -+ -+static struct cf_platform_data __initdata cf0_data = { -+ .detect_pin = GPIO_PIN_PB(15), -+ .reset_pin = GPIO_PIN_PB(30), -+}; - - static struct spi_board_info spi0_board_info[] __initdata = { - { -+ /* AT73C213 */ -+ .modalias = "at73c213", -+ .max_speed_hz = 200000, -+ .chip_select = 0, -+ .mode = SPI_MODE_1, -+ .platform_data = &at73c213_data, -+ }, -+ { - /* QVGA display */ - .modalias = "ltv350qv", - .max_speed_hz = 16000000, - .chip_select = 1, -+ .mode = SPI_MODE_3, - }, - }; - -+static struct mci_platform_data __initdata mci0_data = { -+ .detect_pin = GPIO_PIN_NONE, -+ .wp_pin = GPIO_PIN_NONE, -+}; -+ -+/* The next two structs and functions are for adding gpio_mouse -+ * support to the board -+ */ -+static struct gpio_mouse_platform_data gpio_mouse0_data = { -+ .polarity = GPIO_MOUSE_POLARITY_ACT_LOW, -+ .up = GPIO_PIN_PB(2), -+ .down = GPIO_PIN_PB(1), -+ .left = GPIO_PIN_PB(3), -+ .right = GPIO_PIN_PB(0), -+ .bleft = GPIO_PIN_PB(7), -+ .bmiddle = GPIO_PIN_PB(6), -+ .bright = GPIO_PIN_PB(5), -+ .scan_ms = 10, -+}; -+ -+static struct platform_device gpio_mouse0_device = { -+ .name = "gpio_mouse", -+ .id = 0, -+ .dev = { -+ .platform_data = &gpio_mouse0_data, -+ }, -+}; -+ -+static void __init add_device_gpio_mouse0(void) -+{ -+ struct platform_device *pdev = &gpio_mouse0_device; -+ struct gpio_mouse_platform_data *data = pdev->dev.platform_data; -+ -+ at32_select_gpio(data->up, 0); -+ at32_select_gpio(data->down, 0); -+ at32_select_gpio(data->left, 0); -+ at32_select_gpio(data->right, 0); -+ -+ at32_select_gpio(data->bleft, 0); -+ at32_select_gpio(data->bmiddle, 0); -+ at32_select_gpio(data->bright, 0); -+ -+ platform_device_register(pdev); -+} -+ - /* - * The next two functions should go away as the boot loader is - * supposed to initialize the macb address registers with a valid -@@ -99,6 +168,29 @@ static void __init set_hw_addr(struct platform_device *pdev) - clk_put(pclk); - } - -+static void __init set_at73c213_init_gclk(struct at73c213_board_info *info) -+{ -+ struct clk *gclk = clk_get(NULL, info->dac_clk); -+ struct clk *pll = clk_get(NULL, "pll0"); -+ -+ if (!IS_ERR(gclk) && !IS_ERR(pll)) { -+ if(clk_set_parent(gclk, pll) != 0) -+ goto cleanup; -+ } else { -+ goto cleanup; -+ } -+ -+ at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0); -+ return; -+ -+cleanup: -+ if(!IS_ERR(gclk)) -+ clk_put(gclk); -+ if(!IS_ERR(pll)) -+ clk_put(pll); -+ return; -+} -+ - void __init setup_board(void) - { - #ifdef SW2_DEFAULT -@@ -148,7 +240,18 @@ static int __init atstk1002_init(void) - set_hw_addr(at32_add_device_eth(0, ð_data[0])); - - at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info)); -- at32_add_device_lcdc(0, &atstk1000_fb0_data); -+ at32_add_device_twi(0); -+ at32_add_device_mci(0, &mci0_data); -+ at32_add_device_lcdc(0, &atstk1000_lcdc_data, -+ fbmem_start, fbmem_size); -+ at32_add_device_usba(0); -+ at32_add_device_ssc(0, ATMEL_SSC_TX); -+ at32_add_device_abdac(0); -+ at32_add_device_cf(0, 3, &cf0_data); -+ -+ set_at73c213_init_gclk(&at73c213_data); -+ -+ add_device_gpio_mouse0(); - - return 0; - } -diff --git a/arch/avr32/boards/atstk1000/setup.c b/arch/avr32/boards/atstk1000/setup.c -index 272c011..c9af409 100644 ---- a/arch/avr32/boards/atstk1000/setup.c -+++ b/arch/avr32/boards/atstk1000/setup.c -@@ -8,43 +8,56 @@ - * published by the Free Software Foundation. - */ - #include <linux/bootmem.h> -+#include <linux/fb.h> - #include <linux/init.h> - #include <linux/types.h> - #include <linux/linkage.h> - --#include <asm/setup.h> -+#include <video/atmel_lcdc.h> - -+#include <asm/setup.h> - #include <asm/arch/board.h> - -+#include "atstk1000.h" -+ - /* Initialized by bootloader-specific startup code. */ - struct tag *bootloader_tags __initdata; - --struct lcdc_platform_data __initdata atstk1000_fb0_data; -- --void __init board_setup_fbmem(unsigned long fbmem_start, -- unsigned long fbmem_size) --{ -- if (!fbmem_size) -- return; -- -- if (!fbmem_start) { -- void *fbmem; -- -- fbmem = alloc_bootmem_low_pages(fbmem_size); -- fbmem_start = __pa(fbmem); -- } else { -- pg_data_t *pgdat; -- -- for_each_online_pgdat(pgdat) { -- if (fbmem_start >= pgdat->bdata->node_boot_start -- && fbmem_start <= pgdat->bdata->node_low_pfn) -- reserve_bootmem_node(pgdat, fbmem_start, -- fbmem_size); -- } -- } -- -- printk("%luKiB framebuffer memory at address 0x%08lx\n", -- fbmem_size >> 10, fbmem_start); -- atstk1000_fb0_data.fbmem_start = fbmem_start; -- atstk1000_fb0_data.fbmem_size = fbmem_size; --} -+static struct fb_videomode __initdata ltv350qv_modes[] = { -+ { -+ .name = "320x240 @ 75", -+ .refresh = 75, -+ .xres = 320, .yres = 240, -+ .pixclock = KHZ2PICOS(6891), -+ -+ .left_margin = 17, .right_margin = 33, -+ .upper_margin = 10, .lower_margin = 10, -+ .hsync_len = 16, .vsync_len = 1, -+ -+ .sync = 0, -+ .vmode = FB_VMODE_NONINTERLACED, -+ }, -+}; -+ -+static struct fb_monspecs __initdata atstk1000_default_monspecs = { -+ .manufacturer = "SNG", -+ .monitor = "LTV350QV", -+ .modedb = ltv350qv_modes, -+ .modedb_len = ARRAY_SIZE(ltv350qv_modes), -+ .hfmin = 14820, -+ .hfmax = 22230, -+ .vfmin = 60, -+ .vfmax = 90, -+ .dclkmax = 30000000, -+}; -+ -+struct atmel_lcdfb_info __initdata atstk1000_lcdc_data = { -+ .default_bpp = 24, -+ .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, -+ .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT -+ | ATMEL_LCDC_INVCLK -+ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE -+ | ATMEL_LCDC_MEMOR_BIG), -+ .default_monspecs = &atstk1000_default_monspecs, -+ .guard_time = 2, -+}; -diff --git a/arch/avr32/configs/atngw100_defconfig b/arch/avr32/configs/atngw100_defconfig -new file mode 100644 -index 0000000..c254ffc ---- /dev/null -+++ b/arch/avr32/configs/atngw100_defconfig -@@ -0,0 +1,1085 @@ -+# -+# Automatically generated make config: don't edit -+# Linux kernel version: 2.6.21-rc6 -+# Thu Apr 12 16:35:07 2007 -+# -+CONFIG_AVR32=y -+CONFIG_GENERIC_GPIO=y -+CONFIG_GENERIC_HARDIRQS=y -+CONFIG_HARDIRQS_SW_RESEND=y -+CONFIG_GENERIC_IRQ_PROBE=y -+CONFIG_RWSEM_GENERIC_SPINLOCK=y -+CONFIG_GENERIC_TIME=y -+# CONFIG_ARCH_HAS_ILOG2_U32 is not set -+# CONFIG_ARCH_HAS_ILOG2_U64 is not set -+CONFIG_GENERIC_HWEIGHT=y -+CONFIG_GENERIC_CALIBRATE_DELAY=y -+CONFIG_GENERIC_BUG=y -+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" -+ -+# -+# Code maturity level options -+# -+CONFIG_EXPERIMENTAL=y -+CONFIG_BROKEN_ON_SMP=y -+CONFIG_INIT_ENV_ARG_LIMIT=32 -+ -+# -+# General setup -+# -+CONFIG_LOCALVERSION="" -+# CONFIG_LOCALVERSION_AUTO is not set -+CONFIG_SWAP=y -+CONFIG_SYSVIPC=y -+# CONFIG_IPC_NS is not set -+CONFIG_SYSVIPC_SYSCTL=y -+CONFIG_POSIX_MQUEUE=y -+CONFIG_BSD_PROCESS_ACCT=y -+CONFIG_BSD_PROCESS_ACCT_V3=y -+# CONFIG_TASKSTATS is not set -+# CONFIG_UTS_NS is not set -+# CONFIG_AUDIT is not set -+# CONFIG_IKCONFIG is not set -+CONFIG_SYSFS_DEPRECATED=y -+# CONFIG_RELAY is not set -+CONFIG_BLK_DEV_INITRD=y -+CONFIG_INITRAMFS_SOURCE="" -+CONFIG_CC_OPTIMIZE_FOR_SIZE=y -+CONFIG_SYSCTL=y -+CONFIG_EMBEDDED=y -+# CONFIG_SYSCTL_SYSCALL is not set -+CONFIG_KALLSYMS=y -+# CONFIG_KALLSYMS_ALL is not set -+# CONFIG_KALLSYMS_EXTRA_PASS is not set -+CONFIG_HOTPLUG=y -+CONFIG_PRINTK=y -+CONFIG_BUG=y -+CONFIG_ELF_CORE=y -+# CONFIG_BASE_FULL is not set -+CONFIG_FUTEX=y -+CONFIG_EPOLL=y -+CONFIG_SHMEM=y -+CONFIG_SLAB=y -+CONFIG_VM_EVENT_COUNTERS=y -+CONFIG_RT_MUTEXES=y -+# CONFIG_TINY_SHMEM is not set -+CONFIG_BASE_SMALL=1 -+# CONFIG_SLOB is not set -+ -+# -+# Loadable module support -+# -+CONFIG_MODULES=y -+CONFIG_MODULE_UNLOAD=y -+CONFIG_MODULE_FORCE_UNLOAD=y -+# CONFIG_MODVERSIONS is not set -+# CONFIG_MODULE_SRCVERSION_ALL is not set -+CONFIG_KMOD=y -+ -+# -+# Block layer -+# -+CONFIG_BLOCK=y -+# CONFIG_LBD is not set -+# CONFIG_BLK_DEV_IO_TRACE is not set -+# CONFIG_LSF is not set -+ -+# -+# IO Schedulers -+# -+CONFIG_IOSCHED_NOOP=y -+# CONFIG_IOSCHED_AS is not set -+# CONFIG_IOSCHED_DEADLINE is not set -+CONFIG_IOSCHED_CFQ=y -+# CONFIG_DEFAULT_AS is not set -+# CONFIG_DEFAULT_DEADLINE is not set -+CONFIG_DEFAULT_CFQ=y -+# CONFIG_DEFAULT_NOOP is not set -+CONFIG_DEFAULT_IOSCHED="cfq" -+ -+# -+# System Type and features -+# -+CONFIG_SUBARCH_AVR32B=y -+CONFIG_MMU=y -+CONFIG_PERFORMANCE_COUNTERS=y -+CONFIG_PLATFORM_AT32AP=y -+CONFIG_CPU_AT32AP7000=y -+# CONFIG_BOARD_ATSTK1000 is not set -+CONFIG_BOARD_ATNGW100=y -+CONFIG_LOADER_U_BOOT=y -+ -+# -+# Atmel AVR32 AP options -+# -+# CONFIG_AP7000_32_BIT_SMC is not set -+CONFIG_AP7000_16_BIT_SMC=y -+# CONFIG_AP7000_8_BIT_SMC is not set -+CONFIG_LOAD_ADDRESS=0x10000000 -+CONFIG_ENTRY_ADDRESS=0x90000000 -+CONFIG_PHYS_OFFSET=0x10000000 -+CONFIG_PREEMPT_NONE=y -+# CONFIG_PREEMPT_VOLUNTARY is not set -+# CONFIG_PREEMPT is not set -+# CONFIG_HAVE_ARCH_BOOTMEM_NODE is not set -+# CONFIG_ARCH_HAVE_MEMORY_PRESENT is not set -+# CONFIG_NEED_NODE_MEMMAP_SIZE is not set -+CONFIG_ARCH_FLATMEM_ENABLE=y -+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set -+# CONFIG_ARCH_SPARSEMEM_ENABLE is not set -+CONFIG_SELECT_MEMORY_MODEL=y -+CONFIG_FLATMEM_MANUAL=y -+# CONFIG_DISCONTIGMEM_MANUAL is not set -+# CONFIG_SPARSEMEM_MANUAL is not set -+CONFIG_FLATMEM=y -+CONFIG_FLAT_NODE_MEM_MAP=y -+# CONFIG_SPARSEMEM_STATIC is not set -+CONFIG_SPLIT_PTLOCK_CPUS=4 -+# CONFIG_RESOURCES_64BIT is not set -+CONFIG_ZONE_DMA_FLAG=0 -+# CONFIG_OWNERSHIP_TRACE is not set -+# CONFIG_HZ_100 is not set -+CONFIG_HZ_250=y -+# CONFIG_HZ_300 is not set -+# CONFIG_HZ_1000 is not set -+CONFIG_HZ=250 -+CONFIG_CMDLINE="" -+ -+# -+# Bus options -+# -+ -+# -+# PCCARD (PCMCIA/CardBus) support -+# -+# CONFIG_PCCARD is not set -+ -+# -+# Executable file formats -+# -+CONFIG_BINFMT_ELF=y -+# CONFIG_BINFMT_MISC is not set -+ -+# -+# Networking -+# -+CONFIG_NET=y -+ -+# -+# Networking options -+# -+# CONFIG_NETDEBUG is not set -+CONFIG_PACKET=y -+CONFIG_PACKET_MMAP=y -+CONFIG_UNIX=y -+CONFIG_XFRM=y -+CONFIG_XFRM_USER=y -+# CONFIG_XFRM_SUB_POLICY is not set -+# CONFIG_XFRM_MIGRATE is not set -+CONFIG_NET_KEY=y -+# CONFIG_NET_KEY_MIGRATE is not set -+CONFIG_INET=y -+CONFIG_IP_MULTICAST=y -+CONFIG_IP_ADVANCED_ROUTER=y -+CONFIG_ASK_IP_FIB_HASH=y -+# CONFIG_IP_FIB_TRIE is not set -+CONFIG_IP_FIB_HASH=y -+# CONFIG_IP_MULTIPLE_TABLES is not set -+# CONFIG_IP_ROUTE_MULTIPATH is not set -+# CONFIG_IP_ROUTE_VERBOSE is not set -+CONFIG_IP_PNP=y -+CONFIG_IP_PNP_DHCP=y -+# CONFIG_IP_PNP_BOOTP is not set -+# CONFIG_IP_PNP_RARP is not set -+# CONFIG_NET_IPIP is not set -+# CONFIG_NET_IPGRE is not set -+CONFIG_IP_MROUTE=y -+CONFIG_IP_PIMSM_V1=y -+# CONFIG_IP_PIMSM_V2 is not set -+# CONFIG_ARPD is not set -+CONFIG_SYN_COOKIES=y -+CONFIG_INET_AH=y -+CONFIG_INET_ESP=y -+CONFIG_INET_IPCOMP=y -+CONFIG_INET_XFRM_TUNNEL=y -+CONFIG_INET_TUNNEL=y -+CONFIG_INET_XFRM_MODE_TRANSPORT=y -+CONFIG_INET_XFRM_MODE_TUNNEL=y -+CONFIG_INET_XFRM_MODE_BEET=y -+CONFIG_INET_DIAG=y -+CONFIG_INET_TCP_DIAG=y -+# CONFIG_TCP_CONG_ADVANCED is not set -+CONFIG_TCP_CONG_CUBIC=y -+CONFIG_DEFAULT_TCP_CONG="cubic" -+# CONFIG_TCP_MD5SIG is not set -+ -+# -+# IP: Virtual Server Configuration -+# -+# CONFIG_IP_VS is not set -+CONFIG_IPV6=y -+# CONFIG_IPV6_PRIVACY is not set -+# CONFIG_IPV6_ROUTER_PREF is not set -+CONFIG_INET6_AH=y -+CONFIG_INET6_ESP=y -+CONFIG_INET6_IPCOMP=y -+# CONFIG_IPV6_MIP6 is not set -+CONFIG_INET6_XFRM_TUNNEL=y -+CONFIG_INET6_TUNNEL=y -+CONFIG_INET6_XFRM_MODE_TRANSPORT=y -+CONFIG_INET6_XFRM_MODE_TUNNEL=y -+CONFIG_INET6_XFRM_MODE_BEET=y -+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set -+CONFIG_IPV6_SIT=y -+# CONFIG_IPV6_TUNNEL is not set -+# CONFIG_IPV6_MULTIPLE_TABLES is not set -+# CONFIG_NETWORK_SECMARK is not set -+CONFIG_NETFILTER=y -+# CONFIG_NETFILTER_DEBUG is not set -+ -+# -+# Core Netfilter Configuration -+# -+# CONFIG_NETFILTER_NETLINK is not set -+CONFIG_NF_CONNTRACK_ENABLED=m -+CONFIG_NF_CONNTRACK_SUPPORT=y -+# CONFIG_IP_NF_CONNTRACK_SUPPORT is not set -+CONFIG_NF_CONNTRACK=m -+CONFIG_NF_CT_ACCT=y -+CONFIG_NF_CONNTRACK_MARK=y -+# CONFIG_NF_CONNTRACK_EVENTS is not set -+CONFIG_NF_CT_PROTO_GRE=m -+# CONFIG_NF_CT_PROTO_SCTP is not set -+CONFIG_NF_CONNTRACK_AMANDA=m -+CONFIG_NF_CONNTRACK_FTP=m -+CONFIG_NF_CONNTRACK_H323=m -+CONFIG_NF_CONNTRACK_IRC=m -+CONFIG_NF_CONNTRACK_NETBIOS_NS=m -+CONFIG_NF_CONNTRACK_PPTP=m -+CONFIG_NF_CONNTRACK_SANE=m -+CONFIG_NF_CONNTRACK_SIP=m -+CONFIG_NF_CONNTRACK_TFTP=m -+CONFIG_NETFILTER_XTABLES=y -+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m -+# CONFIG_NETFILTER_XT_TARGET_CONNMARK is not set -+# CONFIG_NETFILTER_XT_TARGET_DSCP is not set -+CONFIG_NETFILTER_XT_TARGET_MARK=m -+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m -+CONFIG_NETFILTER_XT_TARGET_NFLOG=m -+# CONFIG_NETFILTER_XT_TARGET_NOTRACK is not set -+CONFIG_NETFILTER_XT_TARGET_TCPMSS=m -+CONFIG_NETFILTER_XT_MATCH_COMMENT=m -+CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m -+CONFIG_NETFILTER_XT_MATCH_CONNMARK=m -+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m -+# CONFIG_NETFILTER_XT_MATCH_DCCP is not set -+# CONFIG_NETFILTER_XT_MATCH_DSCP is not set -+CONFIG_NETFILTER_XT_MATCH_ESP=m -+CONFIG_NETFILTER_XT_MATCH_HELPER=m -+CONFIG_NETFILTER_XT_MATCH_LENGTH=m -+CONFIG_NETFILTER_XT_MATCH_LIMIT=m -+CONFIG_NETFILTER_XT_MATCH_MAC=m -+CONFIG_NETFILTER_XT_MATCH_MARK=m -+CONFIG_NETFILTER_XT_MATCH_POLICY=m -+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m -+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m -+CONFIG_NETFILTER_XT_MATCH_QUOTA=m -+CONFIG_NETFILTER_XT_MATCH_REALM=m -+# CONFIG_NETFILTER_XT_MATCH_SCTP is not set -+CONFIG_NETFILTER_XT_MATCH_STATE=m -+CONFIG_NETFILTER_XT_MATCH_STATISTIC=m -+CONFIG_NETFILTER_XT_MATCH_STRING=m -+CONFIG_NETFILTER_XT_MATCH_TCPMSS=m -+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m -+ -+# -+# IP: Netfilter Configuration -+# -+CONFIG_NF_CONNTRACK_IPV4=m -+CONFIG_NF_CONNTRACK_PROC_COMPAT=y -+# CONFIG_IP_NF_QUEUE is not set -+CONFIG_IP_NF_IPTABLES=m -+CONFIG_IP_NF_MATCH_IPRANGE=m -+CONFIG_IP_NF_MATCH_TOS=m -+CONFIG_IP_NF_MATCH_RECENT=m -+CONFIG_IP_NF_MATCH_ECN=m -+CONFIG_IP_NF_MATCH_AH=m -+CONFIG_IP_NF_MATCH_TTL=m -+CONFIG_IP_NF_MATCH_OWNER=m -+CONFIG_IP_NF_MATCH_ADDRTYPE=m -+CONFIG_IP_NF_FILTER=m -+CONFIG_IP_NF_TARGET_REJECT=m -+CONFIG_IP_NF_TARGET_LOG=m -+# CONFIG_IP_NF_TARGET_ULOG is not set -+CONFIG_NF_NAT=m -+CONFIG_NF_NAT_NEEDED=y -+CONFIG_IP_NF_TARGET_MASQUERADE=m -+CONFIG_IP_NF_TARGET_REDIRECT=m -+CONFIG_IP_NF_TARGET_NETMAP=m -+CONFIG_IP_NF_TARGET_SAME=m -+CONFIG_NF_NAT_SNMP_BASIC=m -+CONFIG_NF_NAT_PROTO_GRE=m -+CONFIG_NF_NAT_FTP=m -+CONFIG_NF_NAT_IRC=m -+CONFIG_NF_NAT_TFTP=m -+CONFIG_NF_NAT_AMANDA=m -+CONFIG_NF_NAT_PPTP=m -+CONFIG_NF_NAT_H323=m -+CONFIG_NF_NAT_SIP=m -+CONFIG_IP_NF_MANGLE=m -+CONFIG_IP_NF_TARGET_TOS=m -+CONFIG_IP_NF_TARGET_ECN=m -+CONFIG_IP_NF_TARGET_TTL=m -+CONFIG_IP_NF_TARGET_CLUSTERIP=m -+CONFIG_IP_NF_RAW=m -+CONFIG_IP_NF_ARPTABLES=m -+CONFIG_IP_NF_ARPFILTER=m -+CONFIG_IP_NF_ARP_MANGLE=m -+ -+# -+# IPv6: Netfilter Configuration (EXPERIMENTAL) -+# -+CONFIG_NF_CONNTRACK_IPV6=m -+CONFIG_IP6_NF_QUEUE=m -+CONFIG_IP6_NF_IPTABLES=m -+CONFIG_IP6_NF_MATCH_RT=m -+CONFIG_IP6_NF_MATCH_OPTS=m -+CONFIG_IP6_NF_MATCH_FRAG=m -+CONFIG_IP6_NF_MATCH_HL=m -+CONFIG_IP6_NF_MATCH_OWNER=m -+CONFIG_IP6_NF_MATCH_IPV6HEADER=m -+CONFIG_IP6_NF_MATCH_AH=m -+CONFIG_IP6_NF_MATCH_MH=m -+CONFIG_IP6_NF_MATCH_EUI64=m -+CONFIG_IP6_NF_FILTER=m -+CONFIG_IP6_NF_TARGET_LOG=m -+CONFIG_IP6_NF_TARGET_REJECT=m -+CONFIG_IP6_NF_MANGLE=m -+CONFIG_IP6_NF_TARGET_HL=m -+CONFIG_IP6_NF_RAW=m -+ -+# -+# DCCP Configuration (EXPERIMENTAL) -+# -+# CONFIG_IP_DCCP is not set -+ -+# -+# SCTP Configuration (EXPERIMENTAL) -+# -+# CONFIG_IP_SCTP is not set -+ -+# -+# TIPC Configuration (EXPERIMENTAL) -+# -+# CONFIG_TIPC is not set -+# CONFIG_ATM is not set -+# CONFIG_BRIDGE is not set -+CONFIG_VLAN_8021Q=m -+# CONFIG_DECNET is not set -+# CONFIG_LLC2 is not set -+# CONFIG_IPX is not set -+# CONFIG_ATALK is not set -+# CONFIG_X25 is not set -+# CONFIG_LAPB is not set -+# CONFIG_ECONET is not set -+# CONFIG_WAN_ROUTER is not set -+ -+# -+# QoS and/or fair queueing -+# -+# CONFIG_NET_SCHED is not set -+CONFIG_NET_CLS_ROUTE=y -+ -+# -+# Network testing -+# -+# CONFIG_NET_PKTGEN is not set -+# CONFIG_HAMRADIO is not set -+# CONFIG_IRDA is not set -+# CONFIG_BT is not set -+# CONFIG_IEEE80211 is not set -+ -+# -+# Device Drivers -+# -+ -+# -+# Generic Driver Options -+# -+CONFIG_STANDALONE=y -+# CONFIG_PREVENT_FIRMWARE_BUILD is not set -+# CONFIG_FW_LOADER is not set -+# CONFIG_DEBUG_DRIVER is not set -+# CONFIG_DEBUG_DEVRES is not set -+# CONFIG_SYS_HYPERVISOR is not set -+ -+# -+# Connector - unified userspace <-> kernelspace linker -+# -+# CONFIG_CONNECTOR is not set -+ -+# -+# Memory Technology Devices (MTD) -+# -+CONFIG_MTD=y -+# CONFIG_MTD_DEBUG is not set -+# CONFIG_MTD_CONCAT is not set -+CONFIG_MTD_PARTITIONS=y -+# CONFIG_MTD_REDBOOT_PARTS is not set -+CONFIG_MTD_CMDLINE_PARTS=y -+ -+# -+# User Modules And Translation Layers -+# -+CONFIG_MTD_CHAR=y -+CONFIG_MTD_BLKDEVS=y -+CONFIG_MTD_BLOCK=y -+# CONFIG_FTL is not set -+# CONFIG_NFTL is not set -+# CONFIG_INFTL is not set -+# CONFIG_RFD_FTL is not set -+# CONFIG_SSFDC is not set -+ -+# -+# RAM/ROM/Flash chip drivers -+# -+CONFIG_MTD_CFI=y -+# CONFIG_MTD_JEDECPROBE is not set -+CONFIG_MTD_GEN_PROBE=y -+# CONFIG_MTD_CFI_ADV_OPTIONS is not set -+CONFIG_MTD_MAP_BANK_WIDTH_1=y -+CONFIG_MTD_MAP_BANK_WIDTH_2=y -+CONFIG_MTD_MAP_BANK_WIDTH_4=y -+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set -+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set -+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set -+CONFIG_MTD_CFI_I1=y -+CONFIG_MTD_CFI_I2=y -+# CONFIG_MTD_CFI_I4 is not set -+# CONFIG_MTD_CFI_I8 is not set -+# CONFIG_MTD_CFI_INTELEXT is not set -+CONFIG_MTD_CFI_AMDSTD=y -+# CONFIG_MTD_CFI_STAA is not set -+CONFIG_MTD_CFI_UTIL=y -+# CONFIG_MTD_RAM is not set -+# CONFIG_MTD_ROM is not set -+# CONFIG_MTD_ABSENT is not set -+# CONFIG_MTD_OBSOLETE_CHIPS is not set -+ -+# -+# Mapping drivers for chip access -+# -+# CONFIG_MTD_COMPLEX_MAPPINGS is not set -+CONFIG_MTD_PHYSMAP=y -+CONFIG_MTD_PHYSMAP_START=0x80000000 -+CONFIG_MTD_PHYSMAP_LEN=0x0 -+CONFIG_MTD_PHYSMAP_BANKWIDTH=2 -+# CONFIG_MTD_PLATRAM is not set -+ -+# -+# Self-contained MTD device drivers -+# -+CONFIG_MTD_DATAFLASH=y -+# CONFIG_MTD_M25P80 is not set -+# CONFIG_MTD_SLRAM is not set -+# CONFIG_MTD_PHRAM is not set -+# CONFIG_MTD_MTDRAM is not set -+# CONFIG_MTD_BLOCK2MTD is not set -+ -+# -+# Disk-On-Chip Device Drivers -+# -+# CONFIG_MTD_DOC2000 is not set -+# CONFIG_MTD_DOC2001 is not set -+# CONFIG_MTD_DOC2001PLUS is not set -+ -+# -+# NAND Flash Device Drivers -+# -+# CONFIG_MTD_NAND is not set -+ -+# -+# OneNAND Flash Device Drivers -+# -+# CONFIG_MTD_ONENAND is not set -+ -+# -+# Parallel port support -+# -+# CONFIG_PARPORT is not set -+ -+# -+# Plug and Play support -+# -+# CONFIG_PNPACPI is not set -+ -+# -+# Block devices -+# -+# CONFIG_BLK_DEV_COW_COMMON is not set -+CONFIG_BLK_DEV_LOOP=m -+# CONFIG_BLK_DEV_CRYPTOLOOP is not set -+CONFIG_BLK_DEV_NBD=m -+CONFIG_BLK_DEV_RAM=m -+CONFIG_BLK_DEV_RAM_COUNT=16 -+CONFIG_BLK_DEV_RAM_SIZE=4096 -+CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 -+# CONFIG_CDROM_PKTCDVD is not set -+# CONFIG_ATA_OVER_ETH is not set -+ -+# -+# Misc devices -+# -+ -+# -+# ATA/ATAPI/MFM/RLL support -+# -+# CONFIG_IDE is not set -+ -+# -+# SCSI device support -+# -+# CONFIG_RAID_ATTRS is not set -+# CONFIG_SCSI is not set -+# CONFIG_SCSI_NETLINK is not set -+ -+# -+# Serial ATA (prod) and Parallel ATA (experimental) drivers -+# -+# CONFIG_ATA is not set -+ -+# -+# Multi-device support (RAID and LVM) -+# -+# CONFIG_MD is not set -+ -+# -+# Fusion MPT device support -+# -+# CONFIG_FUSION is not set -+ -+# -+# IEEE 1394 (FireWire) support -+# -+ -+# -+# I2O device support -+# -+ -+# -+# Network device support -+# -+CONFIG_NETDEVICES=y -+# CONFIG_DUMMY is not set -+# CONFIG_BONDING is not set -+# CONFIG_EQUALIZER is not set -+CONFIG_TUN=m -+ -+# -+# PHY device support -+# -+# CONFIG_PHYLIB is not set -+ -+# -+# Ethernet (10 or 100Mbit) -+# -+CONFIG_NET_ETHERNET=y -+CONFIG_MII=y -+CONFIG_MACB=y -+ -+# -+# Ethernet (1000 Mbit) -+# -+ -+# -+# Ethernet (10000 Mbit) -+# -+ -+# -+# Token Ring devices -+# -+ -+# -+# Wireless LAN (non-hamradio) -+# -+# CONFIG_NET_RADIO is not set -+ -+# -+# Wan interfaces -+# -+# CONFIG_WAN is not set -+CONFIG_PPP=m -+# CONFIG_PPP_MULTILINK is not set -+CONFIG_PPP_FILTER=y -+CONFIG_PPP_ASYNC=m -+# CONFIG_PPP_SYNC_TTY is not set -+CONFIG_PPP_DEFLATE=m -+CONFIG_PPP_BSDCOMP=m -+CONFIG_PPP_MPPE=m -+CONFIG_PPPOE=m -+# CONFIG_SLIP is not set -+CONFIG_SLHC=m -+# CONFIG_SHAPER is not set -+# CONFIG_NETCONSOLE is not set -+# CONFIG_NETPOLL is not set -+# CONFIG_NET_POLL_CONTROLLER is not set -+ -+# -+# ISDN subsystem -+# -+# CONFIG_ISDN is not set -+ -+# -+# Telephony Support -+# -+# CONFIG_PHONE is not set -+ -+# -+# Input device support -+# -+# CONFIG_INPUT is not set -+ -+# -+# Hardware I/O ports -+# -+# CONFIG_SERIO is not set -+# CONFIG_GAMEPORT is not set -+ -+# -+# Character devices -+# -+# CONFIG_VT is not set -+# CONFIG_SERIAL_NONSTANDARD is not set -+ -+# -+# Serial drivers -+# -+# CONFIG_SERIAL_8250 is not set -+ -+# -+# Non-8250 serial port support -+# -+CONFIG_SERIAL_ATMEL=y -+CONFIG_SERIAL_ATMEL_CONSOLE=y -+# CONFIG_SERIAL_ATMEL_TTYAT is not set -+CONFIG_SERIAL_CORE=y -+CONFIG_SERIAL_CORE_CONSOLE=y -+CONFIG_UNIX98_PTYS=y -+# CONFIG_LEGACY_PTYS is not set -+ -+# -+# IPMI -+# -+# CONFIG_IPMI_HANDLER is not set -+ -+# -+# Watchdog Cards -+# -+# CONFIG_WATCHDOG is not set -+# CONFIG_HW_RANDOM is not set -+# CONFIG_RTC is not set -+# CONFIG_GEN_RTC is not set -+# CONFIG_DTLK is not set -+# CONFIG_R3964 is not set -+# CONFIG_RAW_DRIVER is not set -+ -+# -+# TPM devices -+# -+# CONFIG_TCG_TPM is not set -+ -+# -+# I2C support -+# -+# CONFIG_I2C is not set -+ -+# -+# SPI support -+# -+CONFIG_SPI=y -+# CONFIG_SPI_DEBUG is not set -+CONFIG_SPI_MASTER=y -+ -+# -+# SPI Master Controller Drivers -+# -+CONFIG_SPI_ATMEL=y -+# CONFIG_SPI_BITBANG is not set -+ -+# -+# SPI Protocol Masters -+# -+# CONFIG_SPI_AT25 is not set -+ -+# -+# Dallas's 1-wire bus -+# -+# CONFIG_W1 is not set -+ -+# -+# Hardware Monitoring support -+# -+# CONFIG_HWMON is not set -+# CONFIG_HWMON_VID is not set -+ -+# -+# Multifunction device drivers -+# -+# CONFIG_MFD_SM501 is not set -+ -+# -+# Multimedia devices -+# -+# CONFIG_VIDEO_DEV is not set -+ -+# -+# Digital Video Broadcasting Devices -+# -+# CONFIG_DVB is not set -+ -+# -+# Graphics support -+# -+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set -+# CONFIG_FB is not set -+ -+# -+# Sound -+# -+# CONFIG_SOUND is not set -+ -+# -+# USB support -+# -+# CONFIG_USB_ARCH_HAS_HCD is not set -+# CONFIG_USB_ARCH_HAS_OHCI is not set -+# CONFIG_USB_ARCH_HAS_EHCI is not set -+ -+# -+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' -+# -+ -+# -+# USB Gadget Support -+# -+# CONFIG_USB_GADGET is not set -+ -+# -+# MMC/SD Card support -+# -+# CONFIG_MMC is not set -+ -+# -+# LED devices -+# -+# CONFIG_NEW_LEDS is not set -+ -+# -+# LED drivers -+# -+ -+# -+# LED Triggers -+# -+ -+# -+# InfiniBand support -+# -+ -+# -+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) -+# -+ -+# -+# Real Time Clock -+# -+# CONFIG_RTC_CLASS is not set -+ -+# -+# DMA Engine support -+# -+# CONFIG_DMA_ENGINE is not set -+ -+# -+# DMA Clients -+# -+ -+# -+# DMA Devices -+# -+ -+# -+# Auxiliary Display support -+# -+ -+# -+# Virtualization -+# -+ -+# -+# File systems -+# -+CONFIG_EXT2_FS=y -+# CONFIG_EXT2_FS_XATTR is not set -+# CONFIG_EXT2_FS_XIP is not set -+CONFIG_EXT3_FS=y -+# CONFIG_EXT3_FS_XATTR is not set -+# CONFIG_EXT4DEV_FS is not set -+CONFIG_JBD=y -+# CONFIG_JBD_DEBUG is not set -+# CONFIG_REISERFS_FS is not set -+# CONFIG_JFS_FS is not set -+# CONFIG_FS_POSIX_ACL is not set -+# CONFIG_XFS_FS is not set -+# CONFIG_GFS2_FS is not set -+# CONFIG_OCFS2_FS is not set -+# CONFIG_MINIX_FS is not set -+# CONFIG_ROMFS_FS is not set -+# CONFIG_INOTIFY is not set -+# CONFIG_QUOTA is not set -+# CONFIG_DNOTIFY is not set -+# CONFIG_AUTOFS_FS is not set -+# CONFIG_AUTOFS4_FS is not set -+CONFIG_FUSE_FS=m -+ -+# -+# CD-ROM/DVD Filesystems -+# -+# CONFIG_ISO9660_FS is not set -+# CONFIG_UDF_FS is not set -+ -+# -+# DOS/FAT/NT Filesystems -+# -+CONFIG_FAT_FS=m -+CONFIG_MSDOS_FS=m -+CONFIG_VFAT_FS=m -+CONFIG_FAT_DEFAULT_CODEPAGE=850 -+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" -+# CONFIG_NTFS_FS is not set -+ -+# -+# Pseudo filesystems -+# -+CONFIG_PROC_FS=y -+# CONFIG_PROC_KCORE is not set -+CONFIG_PROC_SYSCTL=y -+CONFIG_SYSFS=y -+CONFIG_TMPFS=y -+# CONFIG_TMPFS_POSIX_ACL is not set -+# CONFIG_HUGETLB_PAGE is not set -+CONFIG_RAMFS=y -+CONFIG_CONFIGFS_FS=y -+ -+# -+# Miscellaneous filesystems -+# -+# CONFIG_ADFS_FS is not set -+# CONFIG_AFFS_FS is not set -+# CONFIG_HFS_FS is not set -+# CONFIG_HFSPLUS_FS is not set -+# CONFIG_BEFS_FS is not set -+# CONFIG_BFS_FS is not set -+# CONFIG_EFS_FS is not set -+CONFIG_JFFS2_FS=y -+CONFIG_JFFS2_FS_DEBUG=0 -+CONFIG_JFFS2_FS_WRITEBUFFER=y -+# CONFIG_JFFS2_SUMMARY is not set -+# CONFIG_JFFS2_FS_XATTR is not set -+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set -+CONFIG_JFFS2_ZLIB=y -+CONFIG_JFFS2_RTIME=y -+# CONFIG_JFFS2_RUBIN is not set -+# CONFIG_CRAMFS is not set -+# CONFIG_VXFS_FS is not set -+# CONFIG_HPFS_FS is not set -+# CONFIG_QNX4FS_FS is not set -+# CONFIG_SYSV_FS is not set -+# CONFIG_UFS_FS is not set -+ -+# -+# Network File Systems -+# -+CONFIG_NFS_FS=y -+CONFIG_NFS_V3=y -+# CONFIG_NFS_V3_ACL is not set -+# CONFIG_NFS_V4 is not set -+# CONFIG_NFS_DIRECTIO is not set -+# CONFIG_NFSD is not set -+CONFIG_ROOT_NFS=y -+CONFIG_LOCKD=y -+CONFIG_LOCKD_V4=y -+CONFIG_NFS_COMMON=y -+CONFIG_SUNRPC=y -+# CONFIG_RPCSEC_GSS_KRB5 is not set -+# CONFIG_RPCSEC_GSS_SPKM3 is not set -+CONFIG_SMB_FS=m -+# CONFIG_SMB_NLS_DEFAULT is not set -+CONFIG_CIFS=m -+# CONFIG_CIFS_STATS is not set -+# CONFIG_CIFS_WEAK_PW_HASH is not set -+# CONFIG_CIFS_XATTR is not set -+# CONFIG_CIFS_DEBUG2 is not set -+# CONFIG_CIFS_EXPERIMENTAL is not set -+# CONFIG_NCP_FS is not set -+# CONFIG_CODA_FS is not set -+# CONFIG_AFS_FS is not set -+# CONFIG_9P_FS is not set -+ -+# -+# Partition Types -+# -+# CONFIG_PARTITION_ADVANCED is not set -+CONFIG_MSDOS_PARTITION=y -+ -+# -+# Native Language Support -+# -+CONFIG_NLS=y -+CONFIG_NLS_DEFAULT="iso8859-1" -+# CONFIG_NLS_CODEPAGE_437 is not set -+# CONFIG_NLS_CODEPAGE_737 is not set -+# CONFIG_NLS_CODEPAGE_775 is not set -+CONFIG_NLS_CODEPAGE_850=y -+# CONFIG_NLS_CODEPAGE_852 is not set -+# CONFIG_NLS_CODEPAGE_855 is not set -+# CONFIG_NLS_CODEPAGE_857 is not set -+# CONFIG_NLS_CODEPAGE_860 is not set -+# CONFIG_NLS_CODEPAGE_861 is not set -+# CONFIG_NLS_CODEPAGE_862 is not set -+# CONFIG_NLS_CODEPAGE_863 is not set -+# CONFIG_NLS_CODEPAGE_864 is not set -+# CONFIG_NLS_CODEPAGE_865 is not set -+# CONFIG_NLS_CODEPAGE_866 is not set -+# CONFIG_NLS_CODEPAGE_869 is not set -+# CONFIG_NLS_CODEPAGE_936 is not set -+# CONFIG_NLS_CODEPAGE_950 is not set -+# CONFIG_NLS_CODEPAGE_932 is not set -+# CONFIG_NLS_CODEPAGE_949 is not set -+# CONFIG_NLS_CODEPAGE_874 is not set -+# CONFIG_NLS_ISO8859_8 is not set -+# CONFIG_NLS_CODEPAGE_1250 is not set -+# CONFIG_NLS_CODEPAGE_1251 is not set -+# CONFIG_NLS_ASCII is not set -+CONFIG_NLS_ISO8859_1=y -+# CONFIG_NLS_ISO8859_2 is not set -+# CONFIG_NLS_ISO8859_3 is not set -+# CONFIG_NLS_ISO8859_4 is not set -+# CONFIG_NLS_ISO8859_5 is not set -+# CONFIG_NLS_ISO8859_6 is not set -+# CONFIG_NLS_ISO8859_7 is not set -+# CONFIG_NLS_ISO8859_9 is not set -+# CONFIG_NLS_ISO8859_13 is not set -+# CONFIG_NLS_ISO8859_14 is not set -+# CONFIG_NLS_ISO8859_15 is not set -+# CONFIG_NLS_KOI8_R is not set -+# CONFIG_NLS_KOI8_U is not set -+CONFIG_NLS_UTF8=y -+ -+# -+# Distributed Lock Manager -+# -+# CONFIG_DLM is not set -+ -+# -+# Kernel hacking -+# -+CONFIG_TRACE_IRQFLAGS_SUPPORT=y -+# CONFIG_PRINTK_TIME is not set -+CONFIG_ENABLE_MUST_CHECK=y -+CONFIG_MAGIC_SYSRQ=y -+# CONFIG_UNUSED_SYMBOLS is not set -+# CONFIG_DEBUG_FS is not set -+# CONFIG_HEADERS_CHECK is not set -+CONFIG_DEBUG_KERNEL=y -+# CONFIG_DEBUG_SHIRQ is not set -+CONFIG_LOG_BUF_SHIFT=14 -+CONFIG_DETECT_SOFTLOCKUP=y -+# CONFIG_SCHEDSTATS is not set -+# CONFIG_TIMER_STATS is not set -+# CONFIG_DEBUG_SLAB is not set -+# CONFIG_DEBUG_RT_MUTEXES is not set -+# CONFIG_RT_MUTEX_TESTER is not set -+# CONFIG_DEBUG_SPINLOCK is not set -+# CONFIG_DEBUG_MUTEXES is not set -+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set -+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set -+# CONFIG_DEBUG_KOBJECT is not set -+CONFIG_DEBUG_BUGVERBOSE=y -+# CONFIG_DEBUG_INFO is not set -+# CONFIG_DEBUG_VM is not set -+# CONFIG_DEBUG_LIST is not set -+CONFIG_FRAME_POINTER=y -+# CONFIG_FORCED_INLINING is not set -+# CONFIG_RCU_TORTURE_TEST is not set -+# CONFIG_FAULT_INJECTION is not set -+# CONFIG_KPROBES is not set -+ -+# -+# Security options -+# -+# CONFIG_KEYS is not set -+# CONFIG_SECURITY is not set -+ -+# -+# Cryptographic options -+# -+CONFIG_CRYPTO=y -+CONFIG_CRYPTO_ALGAPI=y -+CONFIG_CRYPTO_BLKCIPHER=y -+CONFIG_CRYPTO_HASH=y -+CONFIG_CRYPTO_MANAGER=y -+CONFIG_CRYPTO_HMAC=y -+# CONFIG_CRYPTO_XCBC is not set -+# CONFIG_CRYPTO_NULL is not set -+# CONFIG_CRYPTO_MD4 is not set -+CONFIG_CRYPTO_MD5=y -+CONFIG_CRYPTO_SHA1=y -+# CONFIG_CRYPTO_SHA256 is not set -+# CONFIG_CRYPTO_SHA512 is not set -+# CONFIG_CRYPTO_WP512 is not set -+# CONFIG_CRYPTO_TGR192 is not set -+# CONFIG_CRYPTO_GF128MUL is not set -+CONFIG_CRYPTO_ECB=m -+CONFIG_CRYPTO_CBC=y -+CONFIG_CRYPTO_PCBC=m -+# CONFIG_CRYPTO_LRW is not set -+CONFIG_CRYPTO_DES=y -+# CONFIG_CRYPTO_FCRYPT is not set -+# CONFIG_CRYPTO_BLOWFISH is not set -+# CONFIG_CRYPTO_TWOFISH is not set -+# CONFIG_CRYPTO_SERPENT is not set -+# CONFIG_CRYPTO_AES is not set -+# CONFIG_CRYPTO_CAST5 is not set -+# CONFIG_CRYPTO_CAST6 is not set -+# CONFIG_CRYPTO_TEA is not set -+CONFIG_CRYPTO_ARC4=m -+# CONFIG_CRYPTO_KHAZAD is not set -+# CONFIG_CRYPTO_ANUBIS is not set -+CONFIG_CRYPTO_DEFLATE=y -+# CONFIG_CRYPTO_MICHAEL_MIC is not set -+# CONFIG_CRYPTO_CRC32C is not set -+# CONFIG_CRYPTO_CAMELLIA is not set -+# CONFIG_CRYPTO_TEST is not set -+ -+# -+# Hardware crypto devices -+# -+ -+# -+# Library routines -+# -+CONFIG_BITREVERSE=y -+CONFIG_CRC_CCITT=m -+# CONFIG_CRC16 is not set -+CONFIG_CRC32=y -+# CONFIG_LIBCRC32C is not set -+CONFIG_ZLIB_INFLATE=y -+CONFIG_ZLIB_DEFLATE=y -+CONFIG_TEXTSEARCH=y -+CONFIG_TEXTSEARCH_KMP=m -+CONFIG_TEXTSEARCH_BM=m -+CONFIG_TEXTSEARCH_FSM=m -+CONFIG_PLIST=y -+CONFIG_HAS_IOMEM=y -+CONFIG_HAS_IOPORT=y -diff --git a/arch/avr32/drivers/Makefile b/arch/avr32/drivers/Makefile -new file mode 100644 -index 0000000..b429b75 ---- /dev/null -+++ b/arch/avr32/drivers/Makefile -@@ -0,0 +1 @@ -+obj-$(CONFIG_DW_DMAC) += dw-dmac.o -diff --git a/arch/avr32/drivers/dw-dmac.c b/arch/avr32/drivers/dw-dmac.c -new file mode 100644 -index 0000000..9c1d27a ---- /dev/null -+++ b/arch/avr32/drivers/dw-dmac.c -@@ -0,0 +1,761 @@ -+/* -+ * Driver for the Synopsys DesignWare DMA Controller -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/clk.h> -+#include <linux/device.h> -+#include <linux/dma-mapping.h> -+#include <linux/dmapool.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+ -+#include <asm/dma-controller.h> -+#include <asm/io.h> -+ -+#include "dw-dmac.h" -+ -+#define DMAC_NR_CHANNELS 3 -+#define DMAC_MAX_BLOCKSIZE 4095 -+ -+enum { -+ CH_STATE_FREE = 0, -+ CH_STATE_ALLOCATED, -+ CH_STATE_BUSY, -+}; -+ -+struct dw_dma_lli { -+ dma_addr_t sar; -+ dma_addr_t dar; -+ dma_addr_t llp; -+ u32 ctllo; -+ u32 ctlhi; -+ u32 sstat; -+ u32 dstat; -+}; -+ -+struct dw_dma_block { -+ struct dw_dma_lli *lli_vaddr; -+ dma_addr_t lli_dma_addr; -+}; -+ -+struct dw_dma_channel { -+ unsigned int state; -+ int is_cyclic; -+ struct dma_request_sg *req_sg; -+ struct dma_request_cyclic *req_cyclic; -+ unsigned int nr_blocks; -+ int direction; -+ struct dw_dma_block *block; -+}; -+ -+struct dw_dma_controller { -+ spinlock_t lock; -+ void * __iomem regs; -+ struct dma_pool *lli_pool; -+ struct clk *hclk; -+ struct dma_controller dma; -+ struct dw_dma_channel channel[DMAC_NR_CHANNELS]; -+}; -+#define to_dw_dmac(dmac) container_of(dmac, struct dw_dma_controller, dma) -+ -+#define dmac_writel_hi(dmac, reg, value) \ -+ __raw_writel((value), (dmac)->regs + DW_DMAC_##reg + 4) -+#define dmac_readl_hi(dmac, reg) \ -+ __raw_readl((dmac)->regs + DW_DMAC_##reg + 4) -+#define dmac_writel_lo(dmac, reg, value) \ -+ __raw_writel((value), (dmac)->regs + DW_DMAC_##reg) -+#define dmac_readl_lo(dmac, reg) \ -+ __raw_readl((dmac)->regs + DW_DMAC_##reg) -+#define dmac_chan_writel_hi(dmac, chan, reg, value) \ -+ __raw_writel((value), ((dmac)->regs + 0x58 * (chan) \ -+ + DW_DMAC_CHAN_##reg + 4)) -+#define dmac_chan_readl_hi(dmac, chan, reg) \ -+ __raw_readl((dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg + 4) -+#define dmac_chan_writel_lo(dmac, chan, reg, value) \ -+ __raw_writel((value), (dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg) -+#define dmac_chan_readl_lo(dmac, chan, reg) \ -+ __raw_readl((dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg) -+#define set_channel_bit(dmac, reg, chan) \ -+ dmac_writel_lo(dmac, reg, (1 << (chan)) | (1 << ((chan) + 8))) -+#define clear_channel_bit(dmac, reg, chan) \ -+ dmac_writel_lo(dmac, reg, (0 << (chan)) | (1 << ((chan) + 8))) -+ -+static int dmac_alloc_channel(struct dma_controller *_dmac) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ struct dw_dma_channel *chan; -+ unsigned long flags; -+ int i; -+ -+ spin_lock_irqsave(&dmac->lock, flags); -+ for (i = 0; i < DMAC_NR_CHANNELS; i++) -+ if (dmac->channel[i].state == CH_STATE_FREE) -+ break; -+ -+ if (i < DMAC_NR_CHANNELS) { -+ chan = &dmac->channel[i]; -+ chan->state = CH_STATE_ALLOCATED; -+ } else { -+ i = -EBUSY; -+ } -+ -+ spin_unlock_irqrestore(&dmac->lock, flags); -+ -+ return i; -+} -+ -+static void dmac_release_channel(struct dma_controller *_dmac, int channel) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ -+ BUG_ON(channel >= DMAC_NR_CHANNELS -+ || dmac->channel[channel].state != CH_STATE_ALLOCATED); -+ -+ dmac->channel[channel].state = CH_STATE_FREE; -+} -+ -+static struct dw_dma_block *allocate_blocks(struct dw_dma_controller *dmac, -+ unsigned int nr_blocks) -+{ -+ struct dw_dma_block *block; -+ void *p; -+ unsigned int i; -+ -+ block = kmalloc(nr_blocks * sizeof(*block), -+ GFP_KERNEL); -+ if (unlikely(!block)) -+ return NULL; -+ -+ for (i = 0; i < nr_blocks; i++) { -+ p = dma_pool_alloc(dmac->lli_pool, GFP_KERNEL, -+ &block[i].lli_dma_addr); -+ block[i].lli_vaddr = p; -+ if (unlikely(!p)) -+ goto fail; -+ } -+ -+ return block; -+ -+fail: -+ for (i = 0; i < nr_blocks; i++) { -+ if (!block[i].lli_vaddr) -+ break; -+ dma_pool_free(dmac->lli_pool, block[i].lli_vaddr, -+ block[i].lli_dma_addr); -+ } -+ kfree(block); -+ return NULL; -+} -+ -+static void cleanup_channel(struct dw_dma_controller *dmac, -+ struct dw_dma_channel *chan) -+{ -+ unsigned int i; -+ -+ if (chan->nr_blocks > 1) { -+ for (i = 0; i < chan->nr_blocks; i++) -+ dma_pool_free(dmac->lli_pool, chan->block[i].lli_vaddr, -+ chan->block[i].lli_dma_addr); -+ kfree(chan->block); -+ } -+ -+ chan->state = CH_STATE_ALLOCATED; -+} -+ -+static int dmac_prepare_request_sg(struct dma_controller *_dmac, -+ struct dma_request_sg *req) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ struct dw_dma_channel *chan; -+ unsigned long ctlhi, ctllo, cfghi, cfglo; -+ unsigned long block_size; -+ unsigned int nr_blocks; -+ int ret, i, direction; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&dmac->lock, flags); -+ -+ ret = -EINVAL; -+ if (req->req.channel >= DMAC_NR_CHANNELS -+ || dmac->channel[req->req.channel].state != CH_STATE_ALLOCATED -+ || req->block_size > DMAC_MAX_BLOCKSIZE) { -+ spin_unlock_irqrestore(&dmac->lock, flags); -+ return -EINVAL; -+ } -+ -+ chan = &dmac->channel[req->req.channel]; -+ chan->state = CH_STATE_BUSY; -+ chan->req_sg = req; -+ chan->is_cyclic = 0; -+ -+ /* -+ * We have marked the channel as busy, so no need to keep the -+ * lock as long as we only touch the channel-specific -+ * registers -+ */ -+ spin_unlock_irqrestore(&dmac->lock, flags); -+ -+ /* -+ * There may be limitations in the driver and/or the DMA -+ * controller that prevents us from sending a whole -+ * scatterlist item in one go. Taking this into account, -+ * calculate the number of block transfers we need to set up. -+ * -+ * FIXME: Let the peripheral driver know about the maximum -+ * block size we support. We really don't want to use a -+ * different block size than what was suggested by the -+ * peripheral. -+ * -+ * Each block will get its own Linked List Item (LLI) below. -+ */ -+ block_size = req->block_size; -+ nr_blocks = req->nr_blocks; -+ pr_debug("block_size %lu, nr_blocks %u nr_sg = %u\n", -+ block_size, nr_blocks, req->nr_sg); -+ -+ BUG_ON(nr_blocks == 0); -+ chan->nr_blocks = nr_blocks; -+ -+ ret = -EINVAL; -+ cfglo = cfghi = 0; -+ switch (req->direction) { -+ case DMA_DIR_MEM_TO_PERIPH: -+ direction = DMA_TO_DEVICE; -+ cfghi = req->periph_id << (43 - 32); -+ break; -+ -+ case DMA_DIR_PERIPH_TO_MEM: -+ direction = DMA_FROM_DEVICE; -+ cfghi = req->periph_id << (39 - 32); -+ break; -+ default: -+ goto out_unclaim_channel; -+ } -+ -+ chan->direction = direction; -+ -+ dmac_chan_writel_hi(dmac, req->req.channel, CFG, cfghi); -+ dmac_chan_writel_lo(dmac, req->req.channel, CFG, cfglo); -+ -+ ctlhi = block_size >> req->width; -+ ctllo = ((req->direction << 20) -+ // | (1 << 14) | (1 << 11) // source/dest burst trans len -+ | (req->width << 4) | (req->width << 1) -+ | (1 << 0)); // interrupt enable -+ -+ if (nr_blocks == 1) { -+ /* Only one block: No need to use block chaining */ -+ if (direction == DMA_TO_DEVICE) { -+ dmac_chan_writel_lo(dmac, req->req.channel, SAR, -+ req->sg->dma_address); -+ dmac_chan_writel_lo(dmac, req->req.channel, DAR, -+ req->data_reg); -+ ctllo |= 2 << 7; // no dst increment -+ } else { -+ dmac_chan_writel_lo(dmac, req->req.channel, SAR, -+ req->data_reg); -+ dmac_chan_writel_lo(dmac, req->req.channel, DAR, -+ req->sg->dma_address); -+ ctllo |= 2 << 9; // no src increment -+ } -+ dmac_chan_writel_lo(dmac, req->req.channel, CTL, ctllo); -+ dmac_chan_writel_hi(dmac, req->req.channel, CTL, ctlhi); -+ pr_debug("ctl hi:lo 0x%lx:%lx\n", ctlhi, ctllo); -+ } else { -+ struct dw_dma_lli *lli, *lli_prev = NULL; -+ int j = 0, offset = 0; -+ -+ ret = -ENOMEM; -+ chan->block = allocate_blocks(dmac, nr_blocks); -+ if (!chan->block) -+ goto out_unclaim_channel; -+ -+ if (direction == DMA_TO_DEVICE) -+ ctllo |= 1 << 28 | 1 << 27 | 2 << 7; -+ else -+ ctllo |= 1 << 28 | 1 << 27 | 2 << 9; -+ -+ /* -+ * Map scatterlist items to blocks. One scatterlist -+ * item may need more than one block for the reasons -+ * mentioned above. -+ */ -+ for (i = 0; i < nr_blocks; i++) { -+ lli = chan->block[i].lli_vaddr; -+ if (lli_prev) { -+ lli_prev->llp = chan->block[i].lli_dma_addr; -+ pr_debug("lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", -+ i - 1, chan->block[i - 1].lli_vaddr, -+ chan->block[i - 1].lli_dma_addr, -+ lli_prev->sar, lli_prev->dar, lli_prev->llp, -+ lli_prev->ctllo, lli_prev->ctlhi); -+ } -+ lli->llp = 0; -+ lli->ctllo = ctllo; -+ lli->ctlhi = ctlhi; -+ if (direction == DMA_TO_DEVICE) { -+ lli->sar = req->sg[j].dma_address + offset; -+ lli->dar = req->data_reg; -+ } else { -+ lli->sar = req->data_reg; -+ lli->dar = req->sg[j].dma_address + offset; -+ } -+ lli_prev = lli; -+ -+ offset += block_size; -+ if (offset > req->sg[j].length) { -+ j++; -+ offset = 0; -+ } -+ } -+ -+ pr_debug("lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", -+ i - 1, chan->block[i - 1].lli_vaddr, -+ chan->block[i - 1].lli_dma_addr, lli_prev->sar, -+ lli_prev->dar, lli_prev->llp, -+ lli_prev->ctllo, lli_prev->ctlhi); -+ -+ /* -+ * SAR, DAR and CTL are initialized from the LLI. We -+ * only have to enable the LLI bits in CTL. -+ */ -+ dmac_chan_writel_hi(dmac, req->req.channel, CTL, 0); -+ dmac_chan_writel_lo(dmac, req->req.channel, LLP, -+ chan->block[0].lli_dma_addr); -+ dmac_chan_writel_lo(dmac, req->req.channel, CTL, 1 << 28 | 1 << 27); -+ } -+ -+ set_channel_bit(dmac, MASK_XFER, req->req.channel); -+ set_channel_bit(dmac, MASK_ERROR, req->req.channel); -+ if (req->req.block_complete) -+ set_channel_bit(dmac, MASK_BLOCK, req->req.channel); -+ else -+ clear_channel_bit(dmac, MASK_BLOCK, req->req.channel); -+ -+ return 0; -+ -+out_unclaim_channel: -+ chan->state = CH_STATE_ALLOCATED; -+ return ret; -+} -+ -+static int dmac_prepare_request_cyclic(struct dma_controller *_dmac, -+ struct dma_request_cyclic *req) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ struct dw_dma_channel *chan; -+ unsigned long ctlhi, ctllo, cfghi, cfglo; -+ unsigned long block_size; -+ int ret, i, direction; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&dmac->lock, flags); -+ -+ block_size = (req->buffer_size/req->periods) >> req->width; -+ -+ ret = -EINVAL; -+ if (req->req.channel >= DMAC_NR_CHANNELS -+ || dmac->channel[req->req.channel].state != CH_STATE_ALLOCATED -+ || (req->periods == 0) -+ || block_size > DMAC_MAX_BLOCKSIZE) { -+ spin_unlock_irqrestore(&dmac->lock, flags); -+ return -EINVAL; -+ } -+ -+ chan = &dmac->channel[req->req.channel]; -+ chan->state = CH_STATE_BUSY; -+ chan->is_cyclic = 1; -+ chan->req_cyclic = req; -+ -+ /* -+ * We have marked the channel as busy, so no need to keep the -+ * lock as long as we only touch the channel-specific -+ * registers -+ */ -+ spin_unlock_irqrestore(&dmac->lock, flags); -+ -+ /* -+ Setup -+ */ -+ BUG_ON(req->buffer_size % req->periods); -+ /* printk(KERN_INFO "block_size = %lu, periods = %u\n", block_size, req->periods); */ -+ -+ chan->nr_blocks = req->periods; -+ -+ ret = -EINVAL; -+ cfglo = cfghi = 0; -+ switch (req->direction) { -+ case DMA_DIR_MEM_TO_PERIPH: -+ direction = DMA_TO_DEVICE; -+ cfghi = req->periph_id << (43 - 32); -+ break; -+ -+ case DMA_DIR_PERIPH_TO_MEM: -+ direction = DMA_FROM_DEVICE; -+ cfghi = req->periph_id << (39 - 32); -+ break; -+ default: -+ goto out_unclaim_channel; -+ } -+ -+ chan->direction = direction; -+ -+ dmac_chan_writel_hi(dmac, req->req.channel, CFG, cfghi); -+ dmac_chan_writel_lo(dmac, req->req.channel, CFG, cfglo); -+ -+ ctlhi = block_size; -+ ctllo = ((req->direction << 20) -+ | (req->width << 4) | (req->width << 1) -+ | (1 << 0)); // interrupt enable -+ -+ { -+ struct dw_dma_lli *lli = NULL, *lli_prev = NULL; -+ -+ ret = -ENOMEM; -+ chan->block = allocate_blocks(dmac, req->periods); -+ if (!chan->block) -+ goto out_unclaim_channel; -+ -+ if (direction == DMA_TO_DEVICE) -+ ctllo |= 1 << 28 | 1 << 27 | 2 << 7; -+ else -+ ctllo |= 1 << 28 | 1 << 27 | 2 << 9; -+ -+ /* -+ * Set up a linked list items where each period gets -+ * an item. The linked list item for the last period -+ * points back to the star of the buffer making a -+ * cyclic buffer. -+ */ -+ for (i = 0; i < req->periods; i++) { -+ lli = chan->block[i].lli_vaddr; -+ if (lli_prev) { -+ lli_prev->llp = chan->block[i].lli_dma_addr; -+ /* printk(KERN_INFO "lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", -+ i - 1, chan->block[i - 1].lli_vaddr, -+ chan->block[i - 1].lli_dma_addr, -+ lli_prev->sar, lli_prev->dar, lli_prev->llp, -+ lli_prev->ctllo, lli_prev->ctlhi);*/ -+ } -+ lli->llp = 0; -+ lli->ctllo = ctllo; -+ lli->ctlhi = ctlhi; -+ if (direction == DMA_TO_DEVICE) { -+ lli->sar = req->buffer_start + i*(block_size << req->width); -+ lli->dar = req->data_reg; -+ } else { -+ lli->sar = req->data_reg; -+ lli->dar = req->buffer_start + i*(block_size << req->width); -+ } -+ lli_prev = lli; -+ } -+ lli->llp = chan->block[0].lli_dma_addr; -+ -+ /*printk(KERN_INFO "lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", -+ i - 1, chan->block[i - 1].lli_vaddr, -+ chan->block[i - 1].lli_dma_addr, lli_prev->sar, -+ lli_prev->dar, lli_prev->llp, -+ lli_prev->ctllo, lli_prev->ctlhi); */ -+ -+ /* -+ * SAR, DAR and CTL are initialized from the LLI. We -+ * only have to enable the LLI bits in CTL. -+ */ -+ dmac_chan_writel_lo(dmac, req->req.channel, LLP, -+ chan->block[0].lli_dma_addr); -+ dmac_chan_writel_lo(dmac, req->req.channel, CTL, 1 << 28 | 1 << 27); -+ } -+ -+ clear_channel_bit(dmac, MASK_XFER, req->req.channel); -+ set_channel_bit(dmac, MASK_ERROR, req->req.channel); -+ if (req->req.block_complete) -+ set_channel_bit(dmac, MASK_BLOCK, req->req.channel); -+ else -+ clear_channel_bit(dmac, MASK_BLOCK, req->req.channel); -+ -+ return 0; -+ -+out_unclaim_channel: -+ chan->state = CH_STATE_ALLOCATED; -+ return ret; -+} -+ -+static int dmac_start_request(struct dma_controller *_dmac, -+ unsigned int channel) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ -+ BUG_ON(channel >= DMAC_NR_CHANNELS); -+ -+ set_channel_bit(dmac, CH_EN, channel); -+ -+ return 0; -+} -+ -+static dma_addr_t dmac_get_current_pos(struct dma_controller *_dmac, -+ unsigned int channel) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ struct dw_dma_channel *chan; -+ dma_addr_t current_pos; -+ -+ BUG_ON(channel >= DMAC_NR_CHANNELS); -+ -+ chan = &dmac->channel[channel]; -+ -+ switch (chan->direction) { -+ case DMA_TO_DEVICE: -+ current_pos = dmac_chan_readl_lo(dmac, channel, SAR); -+ break; -+ case DMA_FROM_DEVICE: -+ current_pos = dmac_chan_readl_lo(dmac, channel, DAR); -+ break; -+ default: -+ return 0; -+ } -+ -+ -+ if (!current_pos) { -+ if (chan->is_cyclic) { -+ current_pos = chan->req_cyclic->buffer_start; -+ } else { -+ current_pos = chan->req_sg->sg->dma_address; -+ } -+ } -+ -+ return current_pos; -+} -+ -+ -+static int dmac_stop_request(struct dma_controller *_dmac, -+ unsigned int channel) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ struct dw_dma_channel *chan; -+ -+ BUG_ON(channel >= DMAC_NR_CHANNELS); -+ -+ chan = &dmac->channel[channel]; -+ pr_debug("stop: st%u s%08x d%08x l%08x ctl0x%08x:0x%08x\n", -+ chan->state, dmac_chan_readl_lo(dmac, channel, SAR), -+ dmac_chan_readl_lo(dmac, channel, DAR), -+ dmac_chan_readl_lo(dmac, channel, LLP), -+ dmac_chan_readl_hi(dmac, channel, CTL), -+ dmac_chan_readl_lo(dmac, channel, CTL)); -+ -+ if (chan->state == CH_STATE_BUSY) { -+ clear_channel_bit(dmac, CH_EN, channel); -+ cleanup_channel(dmac, &dmac->channel[channel]); -+ } -+ -+ return 0; -+} -+ -+ -+static void dmac_block_complete(struct dw_dma_controller *dmac) -+{ -+ struct dw_dma_channel *chan; -+ unsigned long status, chanid; -+ -+ status = dmac_readl_lo(dmac, STATUS_BLOCK); -+ -+ while (status) { -+ struct dma_request *req; -+ chanid = __ffs(status); -+ chan = &dmac->channel[chanid]; -+ -+ if (chan->is_cyclic) { -+ BUG_ON(!chan->req_cyclic -+ || !chan->req_cyclic->req.block_complete); -+ req = &chan->req_cyclic->req; -+ } else { -+ BUG_ON(!chan->req_sg || !chan->req_sg->req.block_complete); -+ req = &chan->req_sg->req; -+ } -+ dmac_writel_lo(dmac, CLEAR_BLOCK, 1 << chanid); -+ req->block_complete(req); -+ status = dmac_readl_lo(dmac, STATUS_BLOCK); -+ } -+} -+ -+static void dmac_xfer_complete(struct dw_dma_controller *dmac) -+{ -+ struct dw_dma_channel *chan; -+ struct dma_request *req; -+ unsigned long status, chanid; -+ -+ status = dmac_readl_lo(dmac, STATUS_XFER); -+ -+ while (status) { -+ chanid = __ffs(status); -+ chan = &dmac->channel[chanid]; -+ -+ dmac_writel_lo(dmac, CLEAR_XFER, 1 << chanid); -+ -+ req = &chan->req_sg->req; -+ BUG_ON(!req); -+ cleanup_channel(dmac, chan); -+ if (req->xfer_complete) -+ req->xfer_complete(req); -+ -+ status = dmac_readl_lo(dmac, STATUS_XFER); -+ } -+} -+ -+static void dmac_error(struct dw_dma_controller *dmac) -+{ -+ struct dw_dma_channel *chan; -+ unsigned long status, chanid; -+ -+ status = dmac_readl_lo(dmac, STATUS_ERROR); -+ -+ while (status) { -+ struct dma_request *req; -+ -+ chanid = __ffs(status); -+ chan = &dmac->channel[chanid]; -+ -+ dmac_writel_lo(dmac, CLEAR_ERROR, 1 << chanid); -+ clear_channel_bit(dmac, CH_EN, chanid); -+ -+ if (chan->is_cyclic) { -+ BUG_ON(!chan->req_cyclic); -+ req = &chan->req_cyclic->req; -+ } else { -+ BUG_ON(!chan->req_sg); -+ req = &chan->req_sg->req; -+ } -+ -+ cleanup_channel(dmac, chan); -+ if (req->error) -+ req->error(req); -+ -+ status = dmac_readl_lo(dmac, STATUS_XFER); -+ } -+} -+ -+static irqreturn_t dmac_interrupt(int irq, void *dev_id) -+{ -+ struct dw_dma_controller *dmac = dev_id; -+ unsigned long status; -+ int ret = IRQ_NONE; -+ -+ spin_lock(&dmac->lock); -+ -+ status = dmac_readl_lo(dmac, STATUS_INT); -+ -+ while (status) { -+ ret = IRQ_HANDLED; -+ if (status & 0x10) -+ dmac_error(dmac); -+ if (status & 0x02) -+ dmac_block_complete(dmac); -+ if (status & 0x01) -+ dmac_xfer_complete(dmac); -+ -+ status = dmac_readl_lo(dmac, STATUS_INT); -+ } -+ -+ spin_unlock(&dmac->lock); -+ return ret; -+} -+ -+static int __devinit dmac_probe(struct platform_device *pdev) -+{ -+ struct dw_dma_controller *dmac; -+ struct resource *regs; -+ int ret; -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) -+ return -ENXIO; -+ -+ dmac = kmalloc(sizeof(*dmac), GFP_KERNEL); -+ if (!dmac) -+ return -ENOMEM; -+ memset(dmac, 0, sizeof(*dmac)); -+ -+ dmac->hclk = clk_get(&pdev->dev, "hclk"); -+ if (IS_ERR(dmac->hclk)) { -+ ret = PTR_ERR(dmac->hclk); -+ goto out_free_dmac; -+ } -+ clk_enable(dmac->hclk); -+ -+ ret = -ENOMEM; -+ dmac->lli_pool = dma_pool_create("dmac", &pdev->dev, -+ sizeof(struct dw_dma_lli), 4, 0); -+ if (!dmac->lli_pool) -+ goto out_disable_clk; -+ -+ spin_lock_init(&dmac->lock); -+ dmac->dma.dev = &pdev->dev; -+ dmac->dma.alloc_channel = dmac_alloc_channel; -+ dmac->dma.release_channel = dmac_release_channel; -+ dmac->dma.prepare_request_sg = dmac_prepare_request_sg; -+ dmac->dma.prepare_request_cyclic = dmac_prepare_request_cyclic; -+ dmac->dma.start_request = dmac_start_request; -+ dmac->dma.stop_request = dmac_stop_request; -+ dmac->dma.get_current_pos = dmac_get_current_pos; -+ -+ dmac->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!dmac->regs) -+ goto out_free_pool; -+ -+ ret = request_irq(platform_get_irq(pdev, 0), dmac_interrupt, -+ SA_SAMPLE_RANDOM, pdev->name, dmac); -+ if (ret) -+ goto out_unmap_regs; -+ -+ /* Enable the DMA controller */ -+ dmac_writel_lo(dmac, CFG, 1); -+ -+ register_dma_controller(&dmac->dma); -+ -+ printk(KERN_INFO -+ "dmac%d: DesignWare DMA controller at 0x%p irq %d\n", -+ dmac->dma.id, dmac->regs, platform_get_irq(pdev, 0)); -+ -+ return 0; -+ -+out_unmap_regs: -+ iounmap(dmac->regs); -+out_free_pool: -+ dma_pool_destroy(dmac->lli_pool); -+out_disable_clk: -+ clk_disable(dmac->hclk); -+ clk_put(dmac->hclk); -+out_free_dmac: -+ kfree(dmac); -+ return ret; -+} -+ -+static struct platform_driver dmac_driver = { -+ .probe = dmac_probe, -+ .driver = { -+ .name = "dmaca", -+ }, -+}; -+ -+static int __init dmac_init(void) -+{ -+ return platform_driver_register(&dmac_driver); -+} -+subsys_initcall(dmac_init); -+ -+static void __exit dmac_exit(void) -+{ -+ platform_driver_unregister(&dmac_driver); -+} -+module_exit(dmac_exit); -+ -+MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller driver"); -+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); -+MODULE_LICENSE("GPL"); -diff --git a/arch/avr32/drivers/dw-dmac.h b/arch/avr32/drivers/dw-dmac.h -new file mode 100644 -index 0000000..1f67921 ---- /dev/null -+++ b/arch/avr32/drivers/dw-dmac.h -@@ -0,0 +1,42 @@ -+/* -+ * Driver for the Synopsys DesignWare DMA Controller -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __AVR32_DW_DMAC_H__ -+#define __AVR32_DW_DMAC_H__ -+ -+#define DW_DMAC_CFG 0x398 -+#define DW_DMAC_CH_EN 0x3a0 -+ -+#define DW_DMAC_STATUS_XFER 0x2e8 -+#define DW_DMAC_STATUS_BLOCK 0x2f0 -+#define DW_DMAC_STATUS_ERROR 0x308 -+ -+#define DW_DMAC_MASK_XFER 0x310 -+#define DW_DMAC_MASK_BLOCK 0x318 -+#define DW_DMAC_MASK_ERROR 0x330 -+ -+#define DW_DMAC_CLEAR_XFER 0x338 -+#define DW_DMAC_CLEAR_BLOCK 0x340 -+#define DW_DMAC_CLEAR_ERROR 0x358 -+ -+#define DW_DMAC_STATUS_INT 0x360 -+ -+#define DW_DMAC_CHAN_SAR 0x000 -+#define DW_DMAC_CHAN_DAR 0x008 -+#define DW_DMAC_CHAN_LLP 0x010 -+#define DW_DMAC_CHAN_CTL 0x018 -+#define DW_DMAC_CHAN_SSTAT 0x020 -+#define DW_DMAC_CHAN_DSTAT 0x028 -+#define DW_DMAC_CHAN_SSTATAR 0x030 -+#define DW_DMAC_CHAN_DSTATAR 0x038 -+#define DW_DMAC_CHAN_CFG 0x040 -+#define DW_DMAC_CHAN_SGR 0x048 -+#define DW_DMAC_CHAN_DSR 0x050 -+ -+#endif /* __AVR32_DW_DMAC_H__ */ -diff --git a/arch/avr32/kernel/Makefile b/arch/avr32/kernel/Makefile -index 90e5aff..b6afc0c 100644 ---- a/arch/avr32/kernel/Makefile -+++ b/arch/avr32/kernel/Makefile -@@ -9,6 +9,7 @@ obj-y += syscall_table.o syscall-stubs.o irq.o - obj-y += setup.o traps.o semaphore.o ptrace.o - obj-y += signal.o sys_avr32.o process.o time.o - obj-y += init_task.o switch_to.o cpu.o -+obj-y += dma-controller.o - obj-$(CONFIG_MODULES) += module.o avr32_ksyms.o - obj-$(CONFIG_KPROBES) += kprobes.o - -diff --git a/arch/avr32/kernel/cpu.c b/arch/avr32/kernel/cpu.c -index 2e72fd2..2714cf6 100644 ---- a/arch/avr32/kernel/cpu.c -+++ b/arch/avr32/kernel/cpu.c -@@ -209,16 +209,17 @@ static const char *mmu_types[] = { - void __init setup_processor(void) - { - unsigned long config0, config1; -+ unsigned long features; - unsigned cpu_id, cpu_rev, arch_id, arch_rev, mmu_type; - unsigned tmp; - -- config0 = sysreg_read(CONFIG0); /* 0x0000013e; */ -- config1 = sysreg_read(CONFIG1); /* 0x01f689a2; */ -- cpu_id = config0 >> 24; -- cpu_rev = (config0 >> 16) & 0xff; -- arch_id = (config0 >> 13) & 0x07; -- arch_rev = (config0 >> 10) & 0x07; -- mmu_type = (config0 >> 7) & 0x03; -+ config0 = sysreg_read(CONFIG0); -+ config1 = sysreg_read(CONFIG1); -+ cpu_id = SYSREG_BFEXT(PROCESSORID, config0); -+ cpu_rev = SYSREG_BFEXT(PROCESSORREVISION, config0); -+ arch_id = SYSREG_BFEXT(AT, config0); -+ arch_rev = SYSREG_BFEXT(AR, config0); -+ mmu_type = SYSREG_BFEXT(MMUT, config0); - - boot_cpu_data.arch_type = arch_id; - boot_cpu_data.cpu_type = cpu_id; -@@ -226,16 +227,16 @@ void __init setup_processor(void) - boot_cpu_data.cpu_revision = cpu_rev; - boot_cpu_data.tlb_config = mmu_type; - -- tmp = (config1 >> 13) & 0x07; -+ tmp = SYSREG_BFEXT(ILSZ, config1); - if (tmp) { -- boot_cpu_data.icache.ways = 1 << ((config1 >> 10) & 0x07); -- boot_cpu_data.icache.sets = 1 << ((config1 >> 16) & 0x0f); -+ boot_cpu_data.icache.ways = 1 << SYSREG_BFEXT(IASS, config1); -+ boot_cpu_data.icache.sets = 1 << SYSREG_BFEXT(ISET, config1); - boot_cpu_data.icache.linesz = 1 << (tmp + 1); - } -- tmp = (config1 >> 3) & 0x07; -+ tmp = SYSREG_BFEXT(DLSZ, config1); - if (tmp) { -- boot_cpu_data.dcache.ways = 1 << (config1 & 0x07); -- boot_cpu_data.dcache.sets = 1 << ((config1 >> 6) & 0x0f); -+ boot_cpu_data.dcache.ways = 1 << SYSREG_BFEXT(DASS, config1); -+ boot_cpu_data.dcache.sets = 1 << SYSREG_BFEXT(DSET, config1); - boot_cpu_data.dcache.linesz = 1 << (tmp + 1); - } - -@@ -250,16 +251,39 @@ void __init setup_processor(void) - cpu_names[cpu_id], cpu_id, cpu_rev, - arch_names[arch_id], arch_rev); - printk ("CPU: MMU configuration: %s\n", mmu_types[mmu_type]); -+ - printk ("CPU: features:"); -- if (config0 & (1 << 6)) -- printk(" fpu"); -- if (config0 & (1 << 5)) -- printk(" java"); -- if (config0 & (1 << 4)) -- printk(" perfctr"); -- if (config0 & (1 << 3)) -+ features = 0; -+ if (config0 & SYSREG_BIT(CONFIG0_R)) { -+ features |= AVR32_FEATURE_RMW; -+ printk(" rmw"); -+ } -+ if (config0 & SYSREG_BIT(CONFIG0_D)) { -+ features |= AVR32_FEATURE_DSP; -+ printk(" dsp"); -+ } -+ if (config0 & SYSREG_BIT(CONFIG0_S)) { -+ features |= AVR32_FEATURE_SIMD; -+ printk(" simd"); -+ } -+ if (config0 & SYSREG_BIT(CONFIG0_O)) { -+ features |= AVR32_FEATURE_OCD; - printk(" ocd"); -+ } -+ if (config0 & SYSREG_BIT(CONFIG0_P)) { -+ features |= AVR32_FEATURE_PCTR; -+ printk(" perfctr"); -+ } -+ if (config0 & SYSREG_BIT(CONFIG0_J)) { -+ features |= AVR32_FEATURE_JAVA; -+ printk(" java"); -+ } -+ if (config0 & SYSREG_BIT(CONFIG0_F)) { -+ features |= AVR32_FEATURE_FPU; -+ printk(" fpu"); -+ } - printk("\n"); -+ boot_cpu_data.features = features; - } - - #ifdef CONFIG_PROC_FS -diff --git a/arch/avr32/kernel/dma-controller.c b/arch/avr32/kernel/dma-controller.c -new file mode 100644 -index 0000000..fb654b3 ---- /dev/null -+++ b/arch/avr32/kernel/dma-controller.c -@@ -0,0 +1,34 @@ -+/* -+ * Preliminary DMA controller framework for AVR32 -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <asm/dma-controller.h> -+ -+static LIST_HEAD(controllers); -+ -+int register_dma_controller(struct dma_controller *dmac) -+{ -+ static int next_id; -+ -+ dmac->id = next_id++; -+ list_add_tail(&dmac->list, &controllers); -+ -+ return 0; -+} -+EXPORT_SYMBOL(register_dma_controller); -+ -+struct dma_controller *find_dma_controller(int id) -+{ -+ struct dma_controller *dmac; -+ -+ list_for_each_entry(dmac, &controllers, list) -+ if (dmac->id == id) -+ return dmac; -+ return NULL; -+} -+EXPORT_SYMBOL(find_dma_controller); -diff --git a/arch/avr32/kernel/entry-avr32b.S b/arch/avr32/kernel/entry-avr32b.S -index eeb6679..42657f1 100644 ---- a/arch/avr32/kernel/entry-avr32b.S -+++ b/arch/avr32/kernel/entry-avr32b.S -@@ -100,55 +100,49 @@ dtlb_miss_write: - - .global tlb_miss_common - tlb_miss_common: -- mfsr r0, SYSREG_PTBR -- mfsr r1, SYSREG_TLBEAR -+ mfsr r0, SYSREG_TLBEAR -+ mfsr r1, SYSREG_PTBR - - /* Is it the vmalloc space? */ -- bld r1, 31 -+ bld r0, 31 - brcs handle_vmalloc_miss - - /* First level lookup */ - pgtbl_lookup: -- lsr r2, r1, PGDIR_SHIFT -- ld.w r0, r0[r2 << 2] -- bld r0, _PAGE_BIT_PRESENT -+ lsr r2, r0, PGDIR_SHIFT -+ ld.w r3, r1[r2 << 2] -+ bfextu r1, r0, PAGE_SHIFT, PGDIR_SHIFT - PAGE_SHIFT -+ bld r3, _PAGE_BIT_PRESENT - brcc page_table_not_present - -- /* TODO: Check access rights on page table if necessary */ -- - /* Translate to virtual address in P1. */ -- andl r0, 0xf000 -- sbr r0, 31 -+ andl r3, 0xf000 -+ sbr r3, 31 - - /* Second level lookup */ -- lsl r1, (32 - PGDIR_SHIFT) -- lsr r1, (32 - PGDIR_SHIFT) + PAGE_SHIFT -- add r2, r0, r1 << 2 -- ld.w r1, r2[0] -- bld r1, _PAGE_BIT_PRESENT -+ ld.w r2, r3[r1 << 2] -+ mfsr r0, SYSREG_TLBARLO -+ bld r2, _PAGE_BIT_PRESENT - brcc page_not_present - - /* Mark the page as accessed */ -- sbr r1, _PAGE_BIT_ACCESSED -- st.w r2[0], r1 -+ sbr r2, _PAGE_BIT_ACCESSED -+ st.w r3[r1 << 2], r2 - - /* Drop software flags */ -- andl r1, _PAGE_FLAGS_HARDWARE_MASK & 0xffff -- mtsr SYSREG_TLBELO, r1 -+ andl r2, _PAGE_FLAGS_HARDWARE_MASK & 0xffff -+ mtsr SYSREG_TLBELO, r2 - - /* Figure out which entry we want to replace */ -- mfsr r0, SYSREG_TLBARLO -+ mfsr r1, SYSREG_MMUCR - clz r2, r0 - brcc 1f -- mov r1, -1 /* All entries have been accessed, */ -- mtsr SYSREG_TLBARLO, r1 /* so reset TLBAR */ -- mov r2, 0 /* and start at 0 */ --1: mfsr r1, SYSREG_MMUCR -- lsl r2, 14 -- andl r1, 0x3fff, COH -- or r1, r2 -- mtsr SYSREG_MMUCR, r1 -+ mov r3, -1 /* All entries have been accessed, */ -+ mov r2, 0 /* so start at 0 */ -+ mtsr SYSREG_TLBARLO, r3 /* and reset TLBAR */ - -+1: bfins r1, r2, SYSREG_DRP_OFFSET, SYSREG_DRP_SIZE -+ mtsr SYSREG_MMUCR, r1 - tlbw - - tlbmiss_restore -@@ -156,8 +150,8 @@ pgtbl_lookup: - - handle_vmalloc_miss: - /* Simply do the lookup in init's page table */ -- mov r0, lo(swapper_pg_dir) -- orh r0, hi(swapper_pg_dir) -+ mov r1, lo(swapper_pg_dir) -+ orh r1, hi(swapper_pg_dir) - rjmp pgtbl_lookup - - -@@ -340,12 +334,34 @@ do_bus_error_read: - do_nmi_ll: - sub sp, 4 - stmts --sp, r0-lr -- /* FIXME: Make sure RAR_NMI and RSR_NMI are pushed instead of *_EX */ -- rcall save_full_context_ex -+ mfsr r9, SYSREG_RSR_NMI -+ mfsr r8, SYSREG_RAR_NMI -+ bfextu r0, r9, MODE_SHIFT, 3 -+ brne 2f -+ -+1: pushm r8, r9 /* PC and SR */ - mfsr r12, SYSREG_ECR - mov r11, sp - rcall do_nmi -- rjmp bad_return -+ popm r8-r9 -+ mtsr SYSREG_RAR_NMI, r8 -+ tst r0, r0 -+ mtsr SYSREG_RSR_NMI, r9 -+ brne 3f -+ -+ ldmts sp++, r0-lr -+ sub sp, -4 /* skip r12_orig */ -+ rete -+ -+2: sub r10, sp, -(FRAME_SIZE_FULL - REG_LR) -+ stdsp sp[4], r10 /* replace saved SP */ -+ rjmp 1b -+ -+3: popm lr -+ sub sp, -4 /* skip sp */ -+ popm r0-r12 -+ sub sp, -4 /* skip r12_orig */ -+ rete - - handle_address_fault: - sub sp, 4 -@@ -630,9 +646,12 @@ irq_level\level: - rcall do_IRQ - - lddsp r4, sp[REG_SR] -- andh r4, (MODE_MASK >> 16), COH -+ bfextu r4, r4, SYSREG_M0_OFFSET, 3 -+ cp.w r4, MODE_SUPERVISOR >> SYSREG_M0_OFFSET -+ breq 2f -+ cp.w r4, MODE_USER >> SYSREG_M0_OFFSET - #ifdef CONFIG_PREEMPT -- brne 2f -+ brne 3f - #else - brne 1f - #endif -@@ -649,9 +668,18 @@ irq_level\level: - sub sp, -4 /* ignore r12_orig */ - rete - -+2: get_thread_info r0 -+ ld.w r1, r0[TI_flags] -+ bld r1, TIF_CPU_GOING_TO_SLEEP - #ifdef CONFIG_PREEMPT --2: -- get_thread_info r0 -+ brcc 3f -+#else -+ brcc 1b -+#endif -+ sub r1, pc, . - cpu_idle_skip_sleep -+ stdsp sp[REG_PC], r1 -+#ifdef CONFIG_PREEMPT -+3: get_thread_info r0 - ld.w r2, r0[TI_preempt_count] - cp.w r2, 0 - brne 1b -@@ -662,12 +690,32 @@ irq_level\level: - bld r4, SYSREG_GM_OFFSET - brcs 1b - rcall preempt_schedule_irq -- rjmp 1b - #endif -+ rjmp 1b - .endm - - .section .irq.text,"ax",@progbits - -+.global cpu_idle_sleep -+cpu_idle_sleep: -+ mask_interrupts -+ get_thread_info r8 -+ ld.w r9, r8[TI_flags] -+ bld r9, TIF_NEED_RESCHED -+ brcs cpu_idle_enable_int_and_exit -+ sbr r9, TIF_CPU_GOING_TO_SLEEP -+ st.w r8[TI_flags], r9 -+ unmask_interrupts -+ sleep 0 -+cpu_idle_skip_sleep: -+ mask_interrupts -+ ld.w r9, r8[TI_flags] -+ cbr r9, TIF_CPU_GOING_TO_SLEEP -+ st.w r8[TI_flags], r9 -+cpu_idle_enable_int_and_exit: -+ unmask_interrupts -+ retal r12 -+ - .global irq_level0 - .global irq_level1 - .global irq_level2 -diff --git a/arch/avr32/kernel/irq.c b/arch/avr32/kernel/irq.c -index fd31124..61f2de2 100644 ---- a/arch/avr32/kernel/irq.c -+++ b/arch/avr32/kernel/irq.c -@@ -7,15 +7,6 @@ - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -- * -- * This file contains the code used by various IRQ handling routines: -- * asking for different IRQ's should be done through these routines -- * instead of just grabbing them. Thus setups with different IRQ numbers -- * shouldn't result in any weird surprises, and installing new handlers -- * should be easier. -- * -- * IRQ's are in fact implemented a bit like signal handlers for the kernel. -- * Naturally it's not a 1:1 relation, but there are similarities. - */ - - #include <linux/interrupt.h> -diff --git a/arch/avr32/kernel/kprobes.c b/arch/avr32/kernel/kprobes.c -index d0abbca..037d7bd 100644 ---- a/arch/avr32/kernel/kprobes.c -+++ b/arch/avr32/kernel/kprobes.c -@@ -179,7 +179,7 @@ static int __kprobes post_kprobe_handler(struct pt_regs *regs) - return 1; - } - --static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) -+int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) - { - struct kprobe *cur = kprobe_running(); - -@@ -216,11 +216,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, - if (post_kprobe_handler(args->regs)) - ret = NOTIFY_STOP; - break; -- case DIE_FAULT: -- if (kprobe_running() -- && kprobe_fault_handler(args->regs, args->trapnr)) -- ret = NOTIFY_STOP; -- break; - default: - break; - } -diff --git a/arch/avr32/kernel/module.c b/arch/avr32/kernel/module.c -index b599eae..1167fe9 100644 ---- a/arch/avr32/kernel/module.c -+++ b/arch/avr32/kernel/module.c -@@ -12,10 +12,11 @@ - * published by the Free Software Foundation. - */ - --#include <linux/moduleloader.h> --#include <linux/module.h> --#include <linux/kernel.h> -+#include <linux/bug.h> - #include <linux/elf.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleloader.h> - #include <linux/vmalloc.h> - - void *module_alloc(unsigned long size) -@@ -315,10 +316,10 @@ int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, - vfree(module->arch.syminfo); - module->arch.syminfo = NULL; - -- return 0; -+ return module_bug_finalize(hdr, sechdrs, module); - } - - void module_arch_cleanup(struct module *module) - { -- -+ module_bug_cleanup(module); - } -diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c -index 0b43259..4e4181e 100644 ---- a/arch/avr32/kernel/process.c -+++ b/arch/avr32/kernel/process.c -@@ -11,6 +11,7 @@ - #include <linux/fs.h> - #include <linux/ptrace.h> - #include <linux/reboot.h> -+#include <linux/uaccess.h> - #include <linux/unistd.h> - - #include <asm/sysreg.h> -@@ -19,6 +20,8 @@ - void (*pm_power_off)(void) = NULL; - EXPORT_SYMBOL(pm_power_off); - -+extern void cpu_idle_sleep(void); -+ - /* - * This file handles the architecture-dependent parts of process handling.. - */ -@@ -27,9 +30,8 @@ void cpu_idle(void) - { - /* endless idle loop with no priority at all */ - while (1) { -- /* TODO: Enter sleep mode */ - while (!need_resched()) -- cpu_relax(); -+ cpu_idle_sleep(); - preempt_enable_no_resched(); - schedule(); - preempt_disable(); -@@ -114,39 +116,178 @@ void release_thread(struct task_struct *dead_task) - /* do nothing */ - } - -+static void dump_mem(const char *str, const char *log_lvl, -+ unsigned long bottom, unsigned long top) -+{ -+ unsigned long p; -+ int i; -+ -+ printk("%s%s(0x%08lx to 0x%08lx)\n", log_lvl, str, bottom, top); -+ -+ for (p = bottom & ~31; p < top; ) { -+ printk("%s%04lx: ", log_lvl, p & 0xffff); -+ -+ for (i = 0; i < 8; i++, p += 4) { -+ unsigned int val; -+ -+ if (p < bottom || p >= top) -+ printk(" "); -+ else { -+ if (__get_user(val, (unsigned int __user *)p)) { -+ printk("\n"); -+ goto out; -+ } -+ printk("%08x ", val); -+ } -+ } -+ printk("\n"); -+ } -+ -+out: -+ return; -+} -+ -+static inline int valid_stack_ptr(struct thread_info *tinfo, unsigned long p) -+{ -+ return (p > (unsigned long)tinfo) -+ && (p < (unsigned long)tinfo + THREAD_SIZE - 3); -+} -+ -+#ifdef CONFIG_FRAME_POINTER -+static void show_trace_log_lvl(struct task_struct *tsk, unsigned long *sp, -+ struct pt_regs *regs, const char *log_lvl) -+{ -+ unsigned long lr, fp; -+ struct thread_info *tinfo; -+ -+ if (regs) -+ fp = regs->r7; -+ else if (tsk == current) -+ asm("mov %0, r7" : "=r"(fp)); -+ else -+ fp = tsk->thread.cpu_context.r7; -+ -+ /* -+ * Walk the stack as long as the frame pointer (a) is within -+ * the kernel stack of the task, and (b) it doesn't move -+ * downwards. -+ */ -+ tinfo = task_thread_info(tsk); -+ printk("%sCall trace:\n", log_lvl); -+ while (valid_stack_ptr(tinfo, fp)) { -+ unsigned long new_fp; -+ -+ lr = *(unsigned long *)fp; -+#ifdef CONFIG_KALLSYMS -+ printk("%s [<%08lx>] ", log_lvl, lr); -+#else -+ printk(" [<%08lx>] ", lr); -+#endif -+ print_symbol("%s\n", lr); -+ -+ new_fp = *(unsigned long *)(fp + 4); -+ if (new_fp <= fp) -+ break; -+ fp = new_fp; -+ } -+ printk("\n"); -+} -+#else -+static void show_trace_log_lvl(struct task_struct *tsk, unsigned long *sp, -+ struct pt_regs *regs, const char *log_lvl) -+{ -+ unsigned long addr; -+ -+ printk("%sCall trace:\n", log_lvl); -+ -+ while (!kstack_end(sp)) { -+ addr = *sp++; -+ if (kernel_text_address(addr)) { -+#ifdef CONFIG_KALLSYMS -+ printk("%s [<%08lx>] ", log_lvl, addr); -+#else -+ printk(" [<%08lx>] ", addr); -+#endif -+ print_symbol("%s\n", addr); -+ } -+ } -+ printk("\n"); -+} -+#endif -+ -+void show_stack_log_lvl(struct task_struct *tsk, unsigned long sp, -+ struct pt_regs *regs, const char *log_lvl) -+{ -+ struct thread_info *tinfo; -+ -+ if (sp == 0) { -+ if (tsk) -+ sp = tsk->thread.cpu_context.ksp; -+ else -+ sp = (unsigned long)&tinfo; -+ } -+ if (!tsk) -+ tsk = current; -+ -+ tinfo = task_thread_info(tsk); -+ -+ if (valid_stack_ptr(tinfo, sp)) { -+ dump_mem("Stack: ", log_lvl, sp, -+ THREAD_SIZE + (unsigned long)tinfo); -+ show_trace_log_lvl(tsk, (unsigned long *)sp, regs, log_lvl); -+ } -+} -+ -+void show_stack(struct task_struct *tsk, unsigned long *stack) -+{ -+ show_stack_log_lvl(tsk, (unsigned long)stack, NULL, ""); -+} -+ -+void dump_stack(void) -+{ -+ unsigned long stack; -+ -+ show_trace_log_lvl(current, &stack, NULL, ""); -+} -+EXPORT_SYMBOL(dump_stack); -+ - static const char *cpu_modes[] = { - "Application", "Supervisor", "Interrupt level 0", "Interrupt level 1", - "Interrupt level 2", "Interrupt level 3", "Exception", "NMI" - }; - --void show_regs(struct pt_regs *regs) -+void show_regs_log_lvl(struct pt_regs *regs, const char *log_lvl) - { - unsigned long sp = regs->sp; - unsigned long lr = regs->lr; - unsigned long mode = (regs->sr & MODE_MASK) >> MODE_SHIFT; - -- if (!user_mode(regs)) -+ if (!user_mode(regs)) { - sp = (unsigned long)regs + FRAME_SIZE_FULL; - -- print_symbol("PC is at %s\n", instruction_pointer(regs)); -- print_symbol("LR is at %s\n", lr); -- printk("pc : [<%08lx>] lr : [<%08lx>] %s\n" -- "sp : %08lx r12: %08lx r11: %08lx\n", -- instruction_pointer(regs), -- lr, print_tainted(), sp, regs->r12, regs->r11); -- printk("r10: %08lx r9 : %08lx r8 : %08lx\n", -- regs->r10, regs->r9, regs->r8); -- printk("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n", -- regs->r7, regs->r6, regs->r5, regs->r4); -- printk("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n", -- regs->r3, regs->r2, regs->r1, regs->r0); -- printk("Flags: %c%c%c%c%c\n", -+ printk("%s", log_lvl); -+ print_symbol("PC is at %s\n", instruction_pointer(regs)); -+ printk("%s", log_lvl); -+ print_symbol("LR is at %s\n", lr); -+ } -+ -+ printk("%spc : [<%08lx>] lr : [<%08lx>] %s\n" -+ "%ssp : %08lx r12: %08lx r11: %08lx\n", -+ log_lvl, instruction_pointer(regs), lr, print_tainted(), -+ log_lvl, sp, regs->r12, regs->r11); -+ printk("%sr10: %08lx r9 : %08lx r8 : %08lx\n", -+ log_lvl, regs->r10, regs->r9, regs->r8); -+ printk("%sr7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n", -+ log_lvl, regs->r7, regs->r6, regs->r5, regs->r4); -+ printk("%sr3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n", -+ log_lvl, regs->r3, regs->r2, regs->r1, regs->r0); -+ printk("%sFlags: %c%c%c%c%c\n", log_lvl, - regs->sr & SR_Q ? 'Q' : 'q', - regs->sr & SR_V ? 'V' : 'v', - regs->sr & SR_N ? 'N' : 'n', - regs->sr & SR_Z ? 'Z' : 'z', - regs->sr & SR_C ? 'C' : 'c'); -- printk("Mode bits: %c%c%c%c%c%c%c%c%c\n", -+ printk("%sMode bits: %c%c%c%c%c%c%c%c%c\n", log_lvl, - regs->sr & SR_H ? 'H' : 'h', - regs->sr & SR_R ? 'R' : 'r', - regs->sr & SR_J ? 'J' : 'j', -@@ -156,9 +297,21 @@ void show_regs(struct pt_regs *regs) - regs->sr & SR_I1M ? '1' : '.', - regs->sr & SR_I0M ? '0' : '.', - regs->sr & SR_GM ? 'G' : 'g'); -- printk("CPU Mode: %s\n", cpu_modes[mode]); -+ printk("%sCPU Mode: %s\n", log_lvl, cpu_modes[mode]); -+ printk("%sProcess: %s [%d] (task: %p thread: %p)\n", -+ log_lvl, current->comm, current->pid, current, -+ task_thread_info(current)); -+} -+ -+void show_regs(struct pt_regs *regs) -+{ -+ unsigned long sp = regs->sp; -+ -+ if (!user_mode(regs)) -+ sp = (unsigned long)regs + FRAME_SIZE_FULL; - -- show_trace(NULL, (unsigned long *)sp, regs); -+ show_regs_log_lvl(regs, ""); -+ show_trace_log_lvl(current, (unsigned long *)sp, regs, ""); - } - EXPORT_SYMBOL(show_regs); - -diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c -index a1a7c3c..b279d66 100644 ---- a/arch/avr32/kernel/setup.c -+++ b/arch/avr32/kernel/setup.c -@@ -8,12 +8,14 @@ - - #include <linux/clk.h> - #include <linux/init.h> -+#include <linux/initrd.h> - #include <linux/sched.h> - #include <linux/console.h> - #include <linux/ioport.h> - #include <linux/bootmem.h> - #include <linux/fs.h> - #include <linux/module.h> -+#include <linux/pfn.h> - #include <linux/root_dev.h> - #include <linux/cpu.h> - #include <linux/kernel.h> -@@ -30,13 +32,6 @@ - extern int root_mountflags; - - /* -- * Bootloader-provided information about physical memory -- */ --struct tag_mem_range *mem_phys; --struct tag_mem_range *mem_reserved; --struct tag_mem_range *mem_ramdisk; -- --/* - * Initialize loops_per_jiffy as 5000000 (500MIPS). - * Better make it too large than too small... - */ -@@ -48,48 +43,193 @@ EXPORT_SYMBOL(boot_cpu_data); - static char __initdata command_line[COMMAND_LINE_SIZE]; - - /* -- * Should be more than enough, but if you have a _really_ complex -- * setup, you might need to increase the size of this... -+ * Standard memory resources - */ --static struct tag_mem_range __initdata mem_range_cache[32]; --static unsigned mem_range_next_free; -+static struct resource __initdata kernel_data = { -+ .name = "Kernel data", -+ .start = 0, -+ .end = 0, -+ .flags = IORESOURCE_MEM, -+}; -+static struct resource __initdata kernel_code = { -+ .name = "Kernel code", -+ .start = 0, -+ .end = 0, -+ .flags = IORESOURCE_MEM, -+ .sibling = &kernel_data, -+}; - - /* -- * Standard memory resources -+ * Available system RAM and reserved regions as singly linked -+ * lists. These lists are traversed using the sibling pointer in -+ * struct resource and are kept sorted at all times. - */ --static struct resource mem_res[] = { -- { -- .name = "Kernel code", -- .start = 0, -- .end = 0, -- .flags = IORESOURCE_MEM -- }, -- { -- .name = "Kernel data", -- .start = 0, -- .end = 0, -- .flags = IORESOURCE_MEM, -- }, --}; -+static struct resource *__initdata system_ram; -+static struct resource *__initdata reserved = &kernel_code; -+ -+/* -+ * We need to allocate these before the bootmem allocator is up and -+ * running, so we need this "cache". 32 entries are probably enough -+ * for all but the most insanely complex systems. -+ */ -+static struct resource __initdata res_cache[32]; -+static unsigned int __initdata res_cache_next_free; -+ -+static void __init resource_init(void) -+{ -+ struct resource *mem, *res; -+ struct resource *new; -+ -+ kernel_code.start = __pa(init_mm.start_code); -+ -+ for (mem = system_ram; mem; mem = mem->sibling) { -+ new = alloc_bootmem_low(sizeof(struct resource)); -+ memcpy(new, mem, sizeof(struct resource)); -+ -+ new->sibling = NULL; -+ if (request_resource(&iomem_resource, new)) -+ printk(KERN_WARNING "Bad RAM resource %08x-%08x\n", -+ mem->start, mem->end); -+ } -+ -+ for (res = reserved; res; res = res->sibling) { -+ new = alloc_bootmem_low(sizeof(struct resource)); -+ memcpy(new, res, sizeof(struct resource)); -+ -+ new->sibling = NULL; -+ if (insert_resource(&iomem_resource, new)) -+ printk(KERN_WARNING -+ "Bad reserved resource %s (%08x-%08x)\n", -+ res->name, res->start, res->end); -+ } -+} -+ -+static void __init -+add_physical_memory(resource_size_t start, resource_size_t end) -+{ -+ struct resource *new, *next, **pprev; -+ -+ for (pprev = &system_ram, next = system_ram; next; -+ pprev = &next->sibling, next = next->sibling) { -+ if (end < next->start) -+ break; -+ if (start <= next->end) { -+ printk(KERN_WARNING -+ "Warning: Physical memory map is broken\n"); -+ printk(KERN_WARNING -+ "Warning: %08x-%08x overlaps %08x-%08x\n", -+ start, end, next->start, next->end); -+ return; -+ } -+ } -+ -+ if (res_cache_next_free >= ARRAY_SIZE(res_cache)) { -+ printk(KERN_WARNING -+ "Warning: Failed to add physical memory %08x-%08x\n", -+ start, end); -+ return; -+ } -+ -+ new = &res_cache[res_cache_next_free++]; -+ new->start = start; -+ new->end = end; -+ new->name = "System RAM"; -+ new->flags = IORESOURCE_MEM; -+ -+ *pprev = new; -+} -+ -+static int __init -+add_reserved_region(resource_size_t start, resource_size_t end, -+ const char *name) -+{ -+ struct resource *new, *next, **pprev; -+ -+ if (end < start) -+ return -EINVAL; -+ -+ if (res_cache_next_free >= ARRAY_SIZE(res_cache)) -+ return -ENOMEM; -+ -+ for (pprev = &reserved, next = reserved; next; -+ pprev = &next->sibling, next = next->sibling) { -+ if (end < next->start) -+ break; -+ if (start <= next->end) -+ return -EBUSY; -+ } -+ -+ new = &res_cache[res_cache_next_free++]; -+ new->start = start; -+ new->end = end; -+ new->name = name; -+ new->flags = IORESOURCE_MEM; -+ -+ *pprev = new; -+ -+ return 0; -+} -+ -+static unsigned long __init -+find_free_region(const struct resource *mem, resource_size_t size, -+ resource_size_t align) -+{ -+ struct resource *res; -+ unsigned long target; -+ -+ target = ALIGN(mem->start, align); -+ for (res = reserved; res; res = res->sibling) { -+ if ((target + size) <= res->start) -+ break; -+ if (target <= res->end) -+ target = ALIGN(res->end + 1, align); -+ } -+ -+ if ((target + size) > (mem->end + 1)) -+ return mem->end + 1; -+ -+ return target; -+} -+ -+static int __init -+alloc_reserved_region(resource_size_t *start, resource_size_t size, -+ resource_size_t align, const char *name) -+{ -+ struct resource *mem; -+ resource_size_t target; -+ int ret; -+ -+ for (mem = system_ram; mem; mem = mem->sibling) { -+ target = find_free_region(mem, size, align); -+ if (target <= mem->end) { -+ ret = add_reserved_region(target, target + size - 1, -+ name); -+ if (!ret) -+ *start = target; -+ return ret; -+ } -+ } - --#define kernel_code mem_res[0] --#define kernel_data mem_res[1] -+ return -ENOMEM; -+} - - /* - * Early framebuffer allocation. Works as follows: - * - If fbmem_size is zero, nothing will be allocated or reserved. - * - If fbmem_start is zero when setup_bootmem() is called, -- * fbmem_size bytes will be allocated from the bootmem allocator. -+ * a block of fbmem_size bytes will be reserved before bootmem -+ * initialization. It will be aligned to the largest page size -+ * that fbmem_size is a multiple of. - * - If fbmem_start is nonzero, an area of size fbmem_size will be -- * reserved at the physical address fbmem_start if necessary. If -- * the area isn't in a memory region known to the kernel, it will -- * be left alone. -+ * reserved at the physical address fbmem_start if possible. If -+ * it collides with other reserved memory, a different block of -+ * same size will be allocated, just as if fbmem_start was zero. - * - * Board-specific code may use these variables to set up platform data - * for the framebuffer driver if fbmem_size is nonzero. - */ --static unsigned long __initdata fbmem_start; --static unsigned long __initdata fbmem_size; -+resource_size_t __initdata fbmem_start; -+resource_size_t __initdata fbmem_size; - - /* - * "fbmem=xxx[kKmM]" allocates the specified amount of boot memory for -@@ -103,48 +243,42 @@ static unsigned long __initdata fbmem_size; - */ - static int __init early_parse_fbmem(char *p) - { -+ int ret; -+ unsigned long align; -+ - fbmem_size = memparse(p, &p); -- if (*p == '@') -+ if (*p == '@') { - fbmem_start = memparse(p, &p); -- return 0; --} --early_param("fbmem", early_parse_fbmem); -- --static inline void __init resource_init(void) --{ -- struct tag_mem_range *region; -- -- kernel_code.start = __pa(init_mm.start_code); -- kernel_code.end = __pa(init_mm.end_code - 1); -- kernel_data.start = __pa(init_mm.end_code); -- kernel_data.end = __pa(init_mm.brk - 1); -- -- for (region = mem_phys; region; region = region->next) { -- struct resource *res; -- unsigned long phys_start, phys_end; -- -- if (region->size == 0) -- continue; -- -- phys_start = region->addr; -- phys_end = phys_start + region->size - 1; -- -- res = alloc_bootmem_low(sizeof(*res)); -- res->name = "System RAM"; -- res->start = phys_start; -- res->end = phys_end; -- res->flags = IORESOURCE_MEM | IORESOURCE_BUSY; -- -- request_resource (&iomem_resource, res); -+ ret = add_reserved_region(fbmem_start, -+ fbmem_start + fbmem_size - 1, -+ "Framebuffer"); -+ if (ret) { -+ printk(KERN_WARNING -+ "Failed to reserve framebuffer memory\n"); -+ fbmem_start = 0; -+ } -+ } - -- if (kernel_code.start >= res->start && -- kernel_code.end <= res->end) -- request_resource (res, &kernel_code); -- if (kernel_data.start >= res->start && -- kernel_data.end <= res->end) -- request_resource (res, &kernel_data); -+ if (!fbmem_start) { -+ if ((fbmem_size & 0x000fffffUL) == 0) -+ align = 0x100000; /* 1 MiB */ -+ else if ((fbmem_size & 0x0000ffffUL) == 0) -+ align = 0x10000; /* 64 KiB */ -+ else -+ align = 0x1000; /* 4 KiB */ -+ -+ ret = alloc_reserved_region(&fbmem_start, fbmem_size, -+ align, "Framebuffer"); -+ if (ret) { -+ printk(KERN_WARNING -+ "Failed to allocate framebuffer memory\n"); -+ fbmem_size = 0; -+ } - } -+ -+ return 0; - } -+early_param("fbmem", early_parse_fbmem); - - static int __init parse_tag_core(struct tag *tag) - { -@@ -157,11 +291,9 @@ static int __init parse_tag_core(struct tag *tag) - } - __tagtable(ATAG_CORE, parse_tag_core); - --static int __init parse_tag_mem_range(struct tag *tag, -- struct tag_mem_range **root) -+static int __init parse_tag_mem(struct tag *tag) - { -- struct tag_mem_range *cur, **pprev; -- struct tag_mem_range *new; -+ unsigned long start, end; - - /* - * Ignore zero-sized entries. If we're running standalone, the -@@ -171,34 +303,53 @@ static int __init parse_tag_mem_range(struct tag *tag, - if (tag->u.mem_range.size == 0) - return 0; - -- /* -- * Copy the data so the bootmem init code doesn't need to care -- * about it. -- */ -- if (mem_range_next_free >= ARRAY_SIZE(mem_range_cache)) -- panic("Physical memory map too complex!\n"); -+ start = tag->u.mem_range.addr; -+ end = tag->u.mem_range.addr + tag->u.mem_range.size - 1; -+ -+ add_physical_memory(start, end); -+ return 0; -+} -+__tagtable(ATAG_MEM, parse_tag_mem); -+ -+static int __init parse_tag_rdimg(struct tag *tag) -+{ -+#ifdef CONFIG_INITRD -+ struct tag_mem_range *mem = &tag->u.mem_range; -+ int ret; - -- new = &mem_range_cache[mem_range_next_free++]; -- *new = tag->u.mem_range; -+ if (initrd_start) { -+ printk(KERN_WARNING -+ "Warning: Only the first initrd image will be used\n"); -+ return 0; -+ } - -- pprev = root; -- cur = *root; -- while (cur) { -- pprev = &cur->next; -- cur = cur->next; -+ ret = add_reserved_region(mem->start, mem->start + mem->size - 1, -+ "initrd"); -+ if (ret) { -+ printk(KERN_WARNING -+ "Warning: Failed to reserve initrd memory\n"); -+ return ret; - } - -- *pprev = new; -- new->next = NULL; -+ initrd_start = (unsigned long)__va(mem->addr); -+ initrd_end = initrd_start + mem->size; -+#else -+ printk(KERN_WARNING "RAM disk image present, but " -+ "no initrd support in kernel, ignoring\n"); -+#endif - - return 0; - } -+__tagtable(ATAG_RDIMG, parse_tag_rdimg); - --static int __init parse_tag_mem(struct tag *tag) -+static int __init parse_tag_rsvd_mem(struct tag *tag) - { -- return parse_tag_mem_range(tag, &mem_phys); -+ struct tag_mem_range *mem = &tag->u.mem_range; -+ -+ return add_reserved_region(mem->addr, mem->addr + mem->size - 1, -+ "Reserved"); - } --__tagtable(ATAG_MEM, parse_tag_mem); -+__tagtable(ATAG_RSVD_MEM, parse_tag_rsvd_mem); - - static int __init parse_tag_cmdline(struct tag *tag) - { -@@ -207,12 +358,6 @@ static int __init parse_tag_cmdline(struct tag *tag) - } - __tagtable(ATAG_CMDLINE, parse_tag_cmdline); - --static int __init parse_tag_rdimg(struct tag *tag) --{ -- return parse_tag_mem_range(tag, &mem_ramdisk); --} --__tagtable(ATAG_RDIMG, parse_tag_rdimg); -- - static int __init parse_tag_clock(struct tag *tag) - { - /* -@@ -223,12 +368,6 @@ static int __init parse_tag_clock(struct tag *tag) - } - __tagtable(ATAG_CLOCK, parse_tag_clock); - --static int __init parse_tag_rsvd_mem(struct tag *tag) --{ -- return parse_tag_mem_range(tag, &mem_reserved); --} --__tagtable(ATAG_RSVD_MEM, parse_tag_rsvd_mem); -- - /* - * Scan the tag table for this tag, and call its parse function. The - * tag table is built by the linker from all the __tagtable -@@ -260,10 +399,137 @@ static void __init parse_tags(struct tag *t) - t->hdr.tag); - } - -+/* -+ * Find a free memory region large enough for storing the -+ * bootmem bitmap. -+ */ -+static unsigned long __init -+find_bootmap_pfn(const struct resource *mem) -+{ -+ unsigned long bootmap_pages, bootmap_len; -+ unsigned long node_pages = PFN_UP(mem->end - mem->start + 1); -+ unsigned long bootmap_start; -+ -+ bootmap_pages = bootmem_bootmap_pages(node_pages); -+ bootmap_len = bootmap_pages << PAGE_SHIFT; -+ -+ /* -+ * Find a large enough region without reserved pages for -+ * storing the bootmem bitmap. We can take advantage of the -+ * fact that all lists have been sorted. -+ * -+ * We have to check that we don't collide with any reserved -+ * regions, which includes the kernel image and any RAMDISK -+ * images. -+ */ -+ bootmap_start = find_free_region(mem, bootmap_len, PAGE_SIZE); -+ -+ return bootmap_start >> PAGE_SHIFT; -+} -+ -+#define MAX_LOWMEM HIGHMEM_START -+#define MAX_LOWMEM_PFN PFN_DOWN(MAX_LOWMEM) -+ -+static void __init setup_bootmem(void) -+{ -+ unsigned bootmap_size; -+ unsigned long first_pfn, bootmap_pfn, pages; -+ unsigned long max_pfn, max_low_pfn; -+ unsigned node = 0; -+ struct resource *res; -+ -+ printk(KERN_INFO "Physical memory:\n"); -+ for (res = system_ram; res; res = res->sibling) -+ printk(" %08x-%08x\n", res->start, res->end); -+ printk(KERN_INFO "Reserved memory:\n"); -+ for (res = reserved; res; res = res->sibling) -+ printk(" %08x-%08x: %s\n", -+ res->start, res->end, res->name); -+ -+ nodes_clear(node_online_map); -+ -+ if (system_ram->sibling) -+ printk(KERN_WARNING "Only using first memory bank\n"); -+ -+ for (res = system_ram; res; res = NULL) { -+ first_pfn = PFN_UP(res->start); -+ max_low_pfn = max_pfn = PFN_DOWN(res->end + 1); -+ bootmap_pfn = find_bootmap_pfn(res); -+ if (bootmap_pfn > max_pfn) -+ panic("No space for bootmem bitmap!\n"); -+ -+ if (max_low_pfn > MAX_LOWMEM_PFN) { -+ max_low_pfn = MAX_LOWMEM_PFN; -+#ifndef CONFIG_HIGHMEM -+ /* -+ * Lowmem is memory that can be addressed -+ * directly through P1/P2 -+ */ -+ printk(KERN_WARNING -+ "Node %u: Only %ld MiB of memory will be used.\n", -+ node, MAX_LOWMEM >> 20); -+ printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n"); -+#else -+#error HIGHMEM is not supported by AVR32 yet -+#endif -+ } -+ -+ /* Initialize the boot-time allocator with low memory only. */ -+ bootmap_size = init_bootmem_node(NODE_DATA(node), bootmap_pfn, -+ first_pfn, max_low_pfn); -+ -+ /* -+ * Register fully available RAM pages with the bootmem -+ * allocator. -+ */ -+ pages = max_low_pfn - first_pfn; -+ free_bootmem_node (NODE_DATA(node), PFN_PHYS(first_pfn), -+ PFN_PHYS(pages)); -+ -+ /* Reserve space for the bootmem bitmap... */ -+ reserve_bootmem_node(NODE_DATA(node), -+ PFN_PHYS(bootmap_pfn), -+ bootmap_size); -+ -+ /* ...and any other reserved regions. */ -+ for (res = reserved; res; res = res->sibling) { -+ if (res->start > PFN_PHYS(max_pfn)) -+ break; -+ -+ /* -+ * resource_init will complain about partial -+ * overlaps, so we'll just ignore such -+ * resources for now. -+ */ -+ if (res->start >= PFN_PHYS(first_pfn) -+ && res->end < PFN_PHYS(max_pfn)) -+ reserve_bootmem_node( -+ NODE_DATA(node), res->start, -+ res->end - res->start + 1); -+ } -+ -+ node_set_online(node); -+ } -+} -+ - void __init setup_arch (char **cmdline_p) - { - struct clk *cpu_clk; - -+ init_mm.start_code = (unsigned long)_text; -+ init_mm.end_code = (unsigned long)_etext; -+ init_mm.end_data = (unsigned long)_edata; -+ init_mm.brk = (unsigned long)_end; -+ -+ /* -+ * Include .init section to make allocations easier. It will -+ * be removed before the resource is actually requested. -+ */ -+ kernel_code.start = __pa(__init_begin); -+ kernel_code.end = __pa(init_mm.end_code - 1); -+ kernel_data.start = __pa(init_mm.end_code); -+ kernel_data.end = __pa(init_mm.brk - 1); -+ - parse_tags(bootloader_tags); - - setup_processor(); -@@ -289,24 +555,16 @@ void __init setup_arch (char **cmdline_p) - ((cpu_hz + 500) / 1000) % 1000); - } - -- init_mm.start_code = (unsigned long) &_text; -- init_mm.end_code = (unsigned long) &_etext; -- init_mm.end_data = (unsigned long) &_edata; -- init_mm.brk = (unsigned long) &_end; -- - strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); - *cmdline_p = command_line; - parse_early_param(); - - setup_bootmem(); - -- board_setup_fbmem(fbmem_start, fbmem_size); -- - #ifdef CONFIG_VT - conswitchp = &dummy_con; - #endif - - paging_init(); -- - resource_init(); - } -diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c -index c10833f..7014a35 100644 ---- a/arch/avr32/kernel/time.c -+++ b/arch/avr32/kernel/time.c -@@ -1,5 +1,5 @@ - /* -- * Copyright (C) 2004-2006 Atmel Corporation -+ * Copyright (C) 2004-2007 Atmel Corporation - * - * Based on MIPS implementation arch/mips/kernel/time.c - * Copyright 2001 MontaVista Software Inc. -@@ -20,18 +20,25 @@ - #include <linux/init.h> - #include <linux/profile.h> - #include <linux/sysdev.h> -+#include <linux/err.h> - - #include <asm/div64.h> - #include <asm/sysreg.h> - #include <asm/io.h> - #include <asm/sections.h> - --static cycle_t read_cycle_count(void) -+/* how many counter cycles in a jiffy? */ -+static u32 cycles_per_jiffy; -+ -+/* the count value for the next timer interrupt */ -+static u32 expirelo; -+ -+cycle_t __weak read_cycle_count(void) - { - return (cycle_t)sysreg_read(COUNT); - } - --static struct clocksource clocksource_avr32 = { -+struct clocksource __weak clocksource_avr32 = { - .name = "avr32", - .rating = 350, - .read = read_cycle_count, -@@ -40,12 +47,20 @@ static struct clocksource clocksource_avr32 = { - .flags = CLOCK_SOURCE_IS_CONTINUOUS, - }; - -+irqreturn_t __weak timer_interrupt(int irq, void *dev_id); -+ -+struct irqaction timer_irqaction = { -+ .handler = timer_interrupt, -+ .flags = IRQF_DISABLED, -+ .name = "timer", -+}; -+ - /* - * By default we provide the null RTC ops - */ - static unsigned long null_rtc_get_time(void) - { -- return mktime(2004, 1, 1, 0, 0, 0); -+ return mktime(2007, 1, 1, 0, 0, 0); - } - - static int null_rtc_set_time(unsigned long sec) -@@ -56,23 +71,14 @@ static int null_rtc_set_time(unsigned long sec) - static unsigned long (*rtc_get_time)(void) = null_rtc_get_time; - static int (*rtc_set_time)(unsigned long) = null_rtc_set_time; - --/* how many counter cycles in a jiffy? */ --static unsigned long cycles_per_jiffy; -- --/* cycle counter value at the previous timer interrupt */ --static unsigned int timerhi, timerlo; -- --/* the count value for the next timer interrupt */ --static unsigned int expirelo; -- - static void avr32_timer_ack(void) - { -- unsigned int count; -+ u32 count; - - /* Ack this timer interrupt and set the next one */ - expirelo += cycles_per_jiffy; -+ /* setting COMPARE to 0 stops the COUNT-COMPARE */ - if (expirelo == 0) { -- printk(KERN_DEBUG "expirelo == 0\n"); - sysreg_write(COMPARE, expirelo + 1); - } else { - sysreg_write(COMPARE, expirelo); -@@ -86,27 +92,56 @@ static void avr32_timer_ack(void) - } - } - --static unsigned int avr32_hpt_read(void) -+int __weak avr32_hpt_init(void) - { -- return sysreg_read(COUNT); -+ int ret; -+ unsigned long mult, shift, count_hz; -+ -+ count_hz = clk_get_rate(boot_cpu_data.clk); -+ shift = clocksource_avr32.shift; -+ mult = clocksource_hz2mult(count_hz, shift); -+ clocksource_avr32.mult = mult; -+ -+ { -+ u64 tmp; -+ -+ tmp = TICK_NSEC; -+ tmp <<= shift; -+ tmp += mult / 2; -+ do_div(tmp, mult); -+ -+ cycles_per_jiffy = tmp; -+ } -+ -+ ret = setup_irq(0, &timer_irqaction); -+ if (ret) { -+ pr_debug("timer: could not request IRQ 0: %d\n", ret); -+ return -ENODEV; -+ } -+ -+ printk(KERN_INFO "timer: AT32AP COUNT-COMPARE at irq 0, " -+ "%lu.%03lu MHz\n", -+ ((count_hz + 500) / 1000) / 1000, -+ ((count_hz + 500) / 1000) % 1000); -+ -+ return 0; - } - - /* - * Taken from MIPS c0_hpt_timer_init(). - * -- * Why is it so complicated, and what is "count"? My assumption is -- * that `count' specifies the "reference cycle", i.e. the cycle since -- * reset that should mean "zero". The reason COUNT is written twice is -- * probably to make sure we don't get any timer interrupts while we -- * are messing with the counter. -+ * The reason COUNT is written twice is probably to make sure we don't get any -+ * timer interrupts while we are messing with the counter. - */ --static void avr32_hpt_init(unsigned int count) -+int __weak avr32_hpt_start(void) - { -- count = sysreg_read(COUNT) - count; -+ u32 count = sysreg_read(COUNT); - expirelo = (count / cycles_per_jiffy + 1) * cycles_per_jiffy; - sysreg_write(COUNT, expirelo - cycles_per_jiffy); - sysreg_write(COMPARE, expirelo); - sysreg_write(COUNT, count); -+ -+ return 0; - } - - /* -@@ -115,26 +150,18 @@ static void avr32_hpt_init(unsigned int count) - * - * In UP mode, it is invoked from the (global) timer_interrupt. - */ --static void local_timer_interrupt(int irq, void *dev_id) -+void local_timer_interrupt(int irq, void *dev_id) - { - if (current->pid) - profile_tick(CPU_PROFILING); - update_process_times(user_mode(get_irq_regs())); - } - --static irqreturn_t --timer_interrupt(int irq, void *dev_id) -+irqreturn_t __weak timer_interrupt(int irq, void *dev_id) - { -- unsigned int count; -- - /* ack timer interrupt and try to set next interrupt */ -- count = avr32_hpt_read(); - avr32_timer_ack(); - -- /* Update timerhi/timerlo for intra-jiffy calibration */ -- timerhi += count < timerlo; /* Wrap around */ -- timerlo = count; -- - /* - * Call the generic timer interrupt handler - */ -@@ -153,60 +180,37 @@ timer_interrupt(int irq, void *dev_id) - return IRQ_HANDLED; - } - --static struct irqaction timer_irqaction = { -- .handler = timer_interrupt, -- .flags = IRQF_DISABLED, -- .name = "timer", --}; -- - void __init time_init(void) - { -- unsigned long mult, shift, count_hz; - int ret; - -+ /* -+ * Make sure we don't get any COMPARE interrupts before we can -+ * handle them. -+ */ -+ sysreg_write(COMPARE, 0); -+ - xtime.tv_sec = rtc_get_time(); - xtime.tv_nsec = 0; - - set_normalized_timespec(&wall_to_monotonic, - -xtime.tv_sec, -xtime.tv_nsec); - -- printk("Before time_init: count=%08lx, compare=%08lx\n", -- (unsigned long)sysreg_read(COUNT), -- (unsigned long)sysreg_read(COMPARE)); -- -- count_hz = clk_get_rate(boot_cpu_data.clk); -- shift = clocksource_avr32.shift; -- mult = clocksource_hz2mult(count_hz, shift); -- clocksource_avr32.mult = mult; -- -- printk("Cycle counter: mult=%lu, shift=%lu\n", mult, shift); -- -- { -- u64 tmp; -- -- tmp = TICK_NSEC; -- tmp <<= shift; -- tmp += mult / 2; -- do_div(tmp, mult); -- -- cycles_per_jiffy = tmp; -+ ret = avr32_hpt_init(); -+ if (ret) { -+ pr_debug("timer: failed setup: %d\n", ret); -+ return; - } - -- /* This sets up the high precision timer for the first interrupt. */ -- avr32_hpt_init(avr32_hpt_read()); -- -- printk("After time_init: count=%08lx, compare=%08lx\n", -- (unsigned long)sysreg_read(COUNT), -- (unsigned long)sysreg_read(COMPARE)); -- - ret = clocksource_register(&clocksource_avr32); - if (ret) -- printk(KERN_ERR -- "timer: could not register clocksource: %d\n", ret); -+ pr_debug("timer: could not register clocksource: %d\n", ret); - -- ret = setup_irq(0, &timer_irqaction); -- if (ret) -- printk("timer: could not request IRQ 0: %d\n", ret); -+ ret = avr32_hpt_start(); -+ if (ret) { -+ pr_debug("timer: failed starting: %d\n", ret); -+ return; -+ } - } - - static struct sysdev_class timer_class = { -diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c -index adc01a1..4d7ae14 100644 ---- a/arch/avr32/kernel/traps.c -+++ b/arch/avr32/kernel/traps.c -@@ -5,158 +5,25 @@ - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ --#undef DEBUG --#include <linux/sched.h> -+ -+#include <linux/bug.h> - #include <linux/init.h> --#include <linux/module.h> - #include <linux/kallsyms.h> -+#include <linux/module.h> - #include <linux/notifier.h> -+#include <linux/sched.h> -+#include <linux/uaccess.h> - --#include <asm/traps.h> --#include <asm/sysreg.h> - #include <asm/addrspace.h> --#include <asm/ocd.h> - #include <asm/mmu_context.h> --#include <asm/uaccess.h> -- --static void dump_mem(const char *str, unsigned long bottom, unsigned long top) --{ -- unsigned long p; -- int i; -- -- printk("%s(0x%08lx to 0x%08lx)\n", str, bottom, top); -- -- for (p = bottom & ~31; p < top; ) { -- printk("%04lx: ", p & 0xffff); -- -- for (i = 0; i < 8; i++, p += 4) { -- unsigned int val; -- -- if (p < bottom || p >= top) -- printk(" "); -- else { -- if (__get_user(val, (unsigned int __user *)p)) { -- printk("\n"); -- goto out; -- } -- printk("%08x ", val); -- } -- } -- printk("\n"); -- } -- --out: -- return; --} -- --static inline int valid_stack_ptr(struct thread_info *tinfo, unsigned long p) --{ -- return (p > (unsigned long)tinfo) -- && (p < (unsigned long)tinfo + THREAD_SIZE - 3); --} -- --#ifdef CONFIG_FRAME_POINTER --static inline void __show_trace(struct task_struct *tsk, unsigned long *sp, -- struct pt_regs *regs) --{ -- unsigned long lr, fp; -- struct thread_info *tinfo; -- -- tinfo = (struct thread_info *) -- ((unsigned long)sp & ~(THREAD_SIZE - 1)); -- -- if (regs) -- fp = regs->r7; -- else if (tsk == current) -- asm("mov %0, r7" : "=r"(fp)); -- else -- fp = tsk->thread.cpu_context.r7; -- -- /* -- * Walk the stack as long as the frame pointer (a) is within -- * the kernel stack of the task, and (b) it doesn't move -- * downwards. -- */ -- while (valid_stack_ptr(tinfo, fp)) { -- unsigned long new_fp; -- -- lr = *(unsigned long *)fp; -- printk(" [<%08lx>] ", lr); -- print_symbol("%s\n", lr); -- -- new_fp = *(unsigned long *)(fp + 4); -- if (new_fp <= fp) -- break; -- fp = new_fp; -- } -- printk("\n"); --} --#else --static inline void __show_trace(struct task_struct *tsk, unsigned long *sp, -- struct pt_regs *regs) --{ -- unsigned long addr; -- -- while (!kstack_end(sp)) { -- addr = *sp++; -- if (kernel_text_address(addr)) { -- printk(" [<%08lx>] ", addr); -- print_symbol("%s\n", addr); -- } -- } --} --#endif -- --void show_trace(struct task_struct *tsk, unsigned long *sp, -- struct pt_regs *regs) --{ -- if (regs && -- (((regs->sr & MODE_MASK) == MODE_EXCEPTION) || -- ((regs->sr & MODE_MASK) == MODE_USER))) -- return; -- -- printk ("Call trace:"); --#ifdef CONFIG_KALLSYMS -- printk("\n"); --#endif -- -- __show_trace(tsk, sp, regs); -- printk("\n"); --} -- --void show_stack(struct task_struct *tsk, unsigned long *sp) --{ -- unsigned long stack; -- -- if (!tsk) -- tsk = current; -- if (sp == 0) { -- if (tsk == current) { -- register unsigned long *real_sp __asm__("sp"); -- sp = real_sp; -- } else { -- sp = (unsigned long *)tsk->thread.cpu_context.ksp; -- } -- } -- -- stack = (unsigned long)sp; -- dump_mem("Stack: ", stack, -- THREAD_SIZE + (unsigned long)tsk->thread_info); -- show_trace(tsk, sp, NULL); --} -- --void dump_stack(void) --{ -- show_stack(NULL, NULL); --} --EXPORT_SYMBOL(dump_stack); -+#include <asm/ocd.h> -+#include <asm/sysreg.h> -+#include <asm/traps.h> - - ATOMIC_NOTIFIER_HEAD(avr32_die_chain); - - int register_die_notifier(struct notifier_block *nb) - { -- pr_debug("register_die_notifier: %p\n", nb); -- - return atomic_notifier_chain_register(&avr32_die_chain, nb); - } - EXPORT_SYMBOL(register_die_notifier); -@@ -169,98 +36,108 @@ EXPORT_SYMBOL(unregister_die_notifier); - - static DEFINE_SPINLOCK(die_lock); - --void __die(const char *str, struct pt_regs *regs, unsigned long err, -- const char *file, const char *func, unsigned long line) -+void NORET_TYPE die(const char *str, struct pt_regs *regs, long err) - { -- struct task_struct *tsk = current; - static int die_counter; - - console_verbose(); - spin_lock_irq(&die_lock); - bust_spinlocks(1); - -- printk(KERN_ALERT "%s", str); -- if (file && func) -- printk(" in %s:%s, line %ld", file, func, line); -- printk("[#%d]:\n", ++die_counter); -- print_modules(); -- show_regs(regs); -- printk("Process %s (pid: %d, stack limit = 0x%p)\n", -- tsk->comm, tsk->pid, tsk->thread_info + 1); -- -- if (!user_mode(regs) || in_interrupt()) { -- dump_mem("Stack: ", regs->sp, -- THREAD_SIZE + (unsigned long)tsk->thread_info); -+ printk(KERN_ALERT "Oops: %s, sig: %ld [#%d]\n" KERN_EMERG, -+ str, err, ++die_counter); -+#ifdef CONFIG_PREEMPT -+ printk("PREEMPT "); -+#endif -+#ifdef CONFIG_FRAME_POINTER -+ printk("FRAME_POINTER "); -+#endif -+ if (current_cpu_data.features & AVR32_FEATURE_OCD) { -+ unsigned long did = __mfdr(DBGREG_DID); -+ printk("chip: 0x%03lx:0x%04lx rev %lu\n", -+ (did >> 1) & 0x7ff, -+ (did >> 12) & 0x7fff, -+ (did >> 28) & 0xf); -+ } else { -+ printk("cpu: arch %u r%u / core %u r%u\n", -+ current_cpu_data.arch_type, -+ current_cpu_data.arch_revision, -+ current_cpu_data.cpu_type, -+ current_cpu_data.cpu_revision); - } - -+ print_modules(); -+ show_regs_log_lvl(regs, KERN_EMERG); -+ show_stack_log_lvl(current, regs->sp, regs, KERN_EMERG); - bust_spinlocks(0); - spin_unlock_irq(&die_lock); -- do_exit(SIGSEGV); -+ -+ if (in_interrupt()) -+ panic("Fatal exception in interrupt"); -+ -+ if (panic_on_oops) -+ panic("Fatal exception"); -+ -+ do_exit(err); - } - --void __die_if_kernel(const char *str, struct pt_regs *regs, unsigned long err, -- const char *file, const char *func, unsigned long line) -+void _exception(long signr, struct pt_regs *regs, int code, -+ unsigned long addr) - { -+ siginfo_t info; -+ - if (!user_mode(regs)) -- __die(str, regs, err, file, func, line); --} -+ die("Unhandled exception in kernel mode", regs, signr); -+ -+ memset(&info, 0, sizeof(info)); -+ info.si_signo = signr; -+ info.si_code = code; -+ info.si_addr = (void __user *)addr; -+ force_sig_info(signr, &info, current); - --asmlinkage void do_nmi(unsigned long ecr, struct pt_regs *regs) --{ --#ifdef CONFIG_SUBARCH_AVR32B - /* -- * The exception entry always saves RSR_EX. For NMI, this is -- * wrong; it should be RSR_NMI -+ * Init gets no signals that it doesn't have a handler for. -+ * That's all very well, but if it has caused a synchronous -+ * exception and we ignore the resulting signal, it will just -+ * generate the same exception over and over again and we get -+ * nowhere. Better to kill it and let the kernel panic. - */ -- regs->sr = sysreg_read(RSR_NMI); --#endif -+ if (is_init(current)) { -+ __sighandler_t handler; -+ -+ spin_lock_irq(¤t->sighand->siglock); -+ handler = current->sighand->action[signr-1].sa.sa_handler; -+ spin_unlock_irq(¤t->sighand->siglock); -+ if (handler == SIG_DFL) { -+ /* init has generated a synchronous exception -+ and it doesn't have a handler for the signal */ -+ printk(KERN_CRIT "init has generated signal %ld " -+ "but has no handler for it\n", signr); -+ do_exit(signr); -+ } -+ } -+} - -- printk("NMI taken!!!!\n"); -- die("NMI", regs, ecr); -- BUG(); -+asmlinkage void do_nmi(unsigned long ecr, struct pt_regs *regs) -+{ -+ printk(KERN_ALERT "Got Non-Maskable Interrupt, dumping regs\n"); -+ show_regs_log_lvl(regs, KERN_ALERT); -+ show_stack_log_lvl(current, regs->sp, regs, KERN_ALERT); - } - - asmlinkage void do_critical_exception(unsigned long ecr, struct pt_regs *regs) - { -- printk("Unable to handle critical exception %lu at pc = %08lx!\n", -- ecr, regs->pc); -- die("Oops", regs, ecr); -- BUG(); -+ die("Critical exception", regs, SIGKILL); - } - - asmlinkage void do_address_exception(unsigned long ecr, struct pt_regs *regs) - { -- siginfo_t info; -- -- die_if_kernel("Oops: Address exception in kernel mode", regs, ecr); -- --#ifdef DEBUG -- if (ecr == ECR_ADDR_ALIGN_X) -- pr_debug("Instruction Address Exception at pc = %08lx\n", -- regs->pc); -- else if (ecr == ECR_ADDR_ALIGN_R) -- pr_debug("Data Address Exception (Read) at pc = %08lx\n", -- regs->pc); -- else if (ecr == ECR_ADDR_ALIGN_W) -- pr_debug("Data Address Exception (Write) at pc = %08lx\n", -- regs->pc); -- else -- BUG(); -- -- show_regs(regs); --#endif -- -- info.si_signo = SIGBUS; -- info.si_errno = 0; -- info.si_code = BUS_ADRALN; -- info.si_addr = (void __user *)regs->pc; -- -- force_sig_info(SIGBUS, &info, current); -+ _exception(SIGBUS, regs, BUS_ADRALN, regs->pc); - } - - /* This way of handling undefined instructions is stolen from ARM */ - static LIST_HEAD(undef_hook); --static spinlock_t undef_lock = SPIN_LOCK_UNLOCKED; -+static DEFINE_SPINLOCK(undef_lock); - - void register_undef_hook(struct undef_hook *hook) - { -@@ -280,7 +157,8 @@ static int do_cop_absent(u32 insn) - { - int cop_nr; - u32 cpucr; -- if ( (insn & 0xfdf00000) == 0xf1900000 ) -+ -+ if ((insn & 0xfdf00000) == 0xf1900000) - /* LDC0 */ - cop_nr = 0; - else -@@ -292,136 +170,91 @@ static int do_cop_absent(u32 insn) - sysreg_write(CPUCR, cpucr); - - cpucr = sysreg_read(CPUCR); -- if ( !(cpucr & (1 << (24 + cop_nr))) ){ -- printk("Coprocessor #%i not found!\n", cop_nr); -- return -1; -- } -+ if (!(cpucr & (1 << (24 + cop_nr)))) -+ return -ENODEV; - - return 0; - } - --#ifdef CONFIG_BUG --#ifdef CONFIG_DEBUG_BUGVERBOSE --static inline void do_bug_verbose(struct pt_regs *regs, u32 insn) --{ -- char *file; -- u16 line; -- char c; -- -- if (__get_user(line, (u16 __user *)(regs->pc + 2))) -- return; -- if (__get_user(file, (char * __user *)(regs->pc + 4)) -- || (unsigned long)file < PAGE_OFFSET -- || __get_user(c, file)) -- file = "<bad filename>"; -- -- printk(KERN_ALERT "kernel BUG at %s:%d!\n", file, line); --} --#else --static inline void do_bug_verbose(struct pt_regs *regs, u32 insn) -+int is_valid_bugaddr(unsigned long pc) - { -+ unsigned short opcode; -+ -+ if (pc < PAGE_OFFSET) -+ return 0; -+ if (probe_kernel_address((u16 *)pc, opcode)) -+ return 0; - -+ return opcode == AVR32_BUG_OPCODE; - } --#endif --#endif - - asmlinkage void do_illegal_opcode(unsigned long ecr, struct pt_regs *regs) - { - u32 insn; - struct undef_hook *hook; -- siginfo_t info; - void __user *pc; -+ long code; - -- if (!user_mode(regs)) -- goto kernel_trap; -+ if (!user_mode(regs) && (ecr == ECR_ILLEGAL_OPCODE)) { -+ enum bug_trap_type type; -+ -+ type = report_bug(regs->pc); -+ switch (type) { -+ case BUG_TRAP_TYPE_NONE: -+ break; -+ case BUG_TRAP_TYPE_WARN: -+ regs->pc += 2; -+ return; -+ case BUG_TRAP_TYPE_BUG: -+ die("Kernel BUG", regs, SIGKILL); -+ } -+ } - - local_irq_enable(); - -- pc = (void __user *)instruction_pointer(regs); -- if (__get_user(insn, (u32 __user *)pc)) -- goto invalid_area; -+ if (user_mode(regs)) { -+ pc = (void __user *)instruction_pointer(regs); -+ if (get_user(insn, (u32 __user *)pc)) -+ goto invalid_area; - -- if (ecr == ECR_COPROC_ABSENT) { -- if (do_cop_absent(insn) == 0) -+ if (ecr == ECR_COPROC_ABSENT && !do_cop_absent(insn)) - return; -- } - -- spin_lock_irq(&undef_lock); -- list_for_each_entry(hook, &undef_hook, node) { -- if ((insn & hook->insn_mask) == hook->insn_val) { -- if (hook->fn(regs, insn) == 0) { -- spin_unlock_irq(&undef_lock); -- return; -+ spin_lock_irq(&undef_lock); -+ list_for_each_entry(hook, &undef_hook, node) { -+ if ((insn & hook->insn_mask) == hook->insn_val) { -+ if (hook->fn(regs, insn) == 0) { -+ spin_unlock_irq(&undef_lock); -+ return; -+ } - } - } -+ spin_unlock_irq(&undef_lock); - } -- spin_unlock_irq(&undef_lock); -- --invalid_area: - --#ifdef DEBUG -- printk("Illegal instruction at pc = %08lx\n", regs->pc); -- if (regs->pc < TASK_SIZE) { -- unsigned long ptbr, pgd, pte, *p; -- -- ptbr = sysreg_read(PTBR); -- p = (unsigned long *)ptbr; -- pgd = p[regs->pc >> 22]; -- p = (unsigned long *)((pgd & 0x1ffff000) | 0x80000000); -- pte = p[(regs->pc >> 12) & 0x3ff]; -- printk("page table: 0x%08lx -> 0x%08lx -> 0x%08lx\n", ptbr, pgd, pte); -- } --#endif -- -- info.si_signo = SIGILL; -- info.si_errno = 0; -- info.si_addr = (void __user *)regs->pc; - switch (ecr) { -- case ECR_ILLEGAL_OPCODE: -- case ECR_UNIMPL_INSTRUCTION: -- info.si_code = ILL_ILLOPC; -- break; - case ECR_PRIVILEGE_VIOLATION: -- info.si_code = ILL_PRVOPC; -+ code = ILL_PRVOPC; - break; - case ECR_COPROC_ABSENT: -- info.si_code = ILL_COPROC; -+ code = ILL_COPROC; - break; - default: -- BUG(); -+ code = ILL_ILLOPC; -+ break; - } - -- force_sig_info(SIGILL, &info, current); -+ _exception(SIGILL, regs, code, regs->pc); - return; - --kernel_trap: --#ifdef CONFIG_BUG -- if (__kernel_text_address(instruction_pointer(regs))) { -- insn = *(u16 *)instruction_pointer(regs); -- if (insn == AVR32_BUG_OPCODE) { -- do_bug_verbose(regs, insn); -- die("Kernel BUG", regs, 0); -- return; -- } -- } --#endif -- -- die("Oops: Illegal instruction in kernel code", regs, ecr); -+invalid_area: -+ _exception(SIGSEGV, regs, SEGV_MAPERR, regs->pc); - } - - asmlinkage void do_fpe(unsigned long ecr, struct pt_regs *regs) - { -- siginfo_t info; -- -- printk("Floating-point exception at pc = %08lx\n", regs->pc); -- -- /* We have no FPU... */ -- info.si_signo = SIGILL; -- info.si_errno = 0; -- info.si_addr = (void __user *)regs->pc; -- info.si_code = ILL_COPROC; -- -- force_sig_info(SIGILL, &info, current); -+ /* We have no FPU yet */ -+ _exception(SIGILL, regs, ILL_COPROC, regs->pc); - } - - -diff --git a/arch/avr32/kernel/vmlinux.lds.c b/arch/avr32/kernel/vmlinux.lds.c -index ef13b7c..e7f72c9 100644 ---- a/arch/avr32/kernel/vmlinux.lds.c -+++ b/arch/avr32/kernel/vmlinux.lds.c -@@ -26,10 +26,16 @@ SECTIONS - _sinittext = .; - *(.text.reset) - *(.init.text) -+ /* -+ * .exit.text is discarded at runtime, not -+ * link time, to deal with references from -+ * __bug_table -+ */ -+ *(.exit.text) - _einittext = .; - . = ALIGN(4); - __tagtable_begin = .; -- *(.taglist) -+ *(.taglist.init) - __tagtable_end = .; - *(.init.data) - . = ALIGN(16); -@@ -86,6 +92,8 @@ SECTIONS - __stop___ex_table = .; - } - -+ BUG_TABLE -+ - RODATA - - . = ALIGN(8192); -@@ -126,7 +134,6 @@ SECTIONS - * thrown away, as cleanup code is never called unless it's a module. - */ - /DISCARD/ : { -- *(.exit.text) - *(.exit.data) - *(.exitcall.exit) - } -diff --git a/arch/avr32/mach-at32ap/Kconfig b/arch/avr32/mach-at32ap/Kconfig -new file mode 100644 -index 0000000..eb30783 ---- /dev/null -+++ b/arch/avr32/mach-at32ap/Kconfig -@@ -0,0 +1,31 @@ -+if PLATFORM_AT32AP -+ -+menu "Atmel AVR32 AP options" -+ -+choice -+ prompt "AT32AP7000 static memory bus width" -+ depends on CPU_AT32AP7000 -+ default AP7000_16_BIT_SMC -+ help -+ Define the width of the AP7000 external static memory interface. -+ This is used to determine how to mangle the address and/or data -+ when doing little-endian port access. -+ -+ The current code can only support a single external memory bus -+ width for all chip selects, excluding the flash (which is using -+ raw access and is thus not affected by any of this.) -+ -+config AP7000_32_BIT_SMC -+ bool "32 bit" -+ -+config AP7000_16_BIT_SMC -+ bool "16 bit" -+ -+config AP7000_8_BIT_SMC -+ bool "8 bit" -+ -+endchoice -+ -+endmenu -+ -+endif # PLATFORM_AT32AP -diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile -index b21bea9..f1d3957 100644 ---- a/arch/avr32/mach-at32ap/Makefile -+++ b/arch/avr32/mach-at32ap/Makefile -@@ -1,2 +1,3 @@ - obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o - obj-$(CONFIG_CPU_AT32AP7000) += at32ap7000.o -+obj-$(CONFIG_CPU_AT32AP7000) += time-tc.o -diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c -index 472703f..028883f 100644 ---- a/arch/avr32/mach-at32ap/at32ap7000.c -+++ b/arch/avr32/mach-at32ap/at32ap7000.c -@@ -6,6 +6,7 @@ - * published by the Free Software Foundation. - */ - #include <linux/clk.h> -+#include <linux/fb.h> - #include <linux/init.h> - #include <linux/platform_device.h> - #include <linux/spi/spi.h> -@@ -17,7 +18,10 @@ - #include <asm/arch/portmux.h> - #include <asm/arch/sm.h> - -+#include <video/atmel_lcdc.h> -+ - #include "clock.h" -+#include "hmatrix.h" - #include "pio.h" - #include "sm.h" - -@@ -407,8 +411,6 @@ static void __init genclk_init_parent(struct clk *clk) - static struct resource sm_resource[] = { - PBMEM(0xfff00000), - NAMED_IRQ(19, "eim"), -- NAMED_IRQ(20, "pm"), -- NAMED_IRQ(21, "rtc"), - }; - struct platform_device at32_sm_device = { - .name = "sm", -@@ -416,7 +418,55 @@ struct platform_device at32_sm_device = { - .resource = sm_resource, - .num_resources = ARRAY_SIZE(sm_resource), - }; --DEV_CLK(pclk, at32_sm, pbb, 0); -+static struct clk at32_sm_pclk = { -+ .name = "pclk", -+ .dev = &at32_sm_device.dev, -+ .parent = &pbb_clk, -+ .mode = pbb_clk_mode, -+ .get_rate = pbb_clk_get_rate, -+ .users = 1, -+ .index = 0, -+}; -+ -+static struct resource pm_resource[] = { -+ PBMEM(0xfff00000), -+ IRQ(20), -+}; -+struct platform_device at32_pm_device = { -+ .name = "pm", -+ .id = 0, -+ .resource = pm_resource, -+ .num_resources = ARRAY_SIZE(pm_resource), -+}; -+ -+static struct resource rtc_resource[] = { -+ { -+ .start = 0xfff00080, -+ .end = 0xfff000a3, -+ .flags = IORESOURCE_MEM, -+ }, -+ IRQ(21), -+}; -+struct platform_device at32_rtc_device = { -+ .name = "rtc", -+ .id = 0, -+ .resource = rtc_resource, -+ .num_resources = ARRAY_SIZE(rtc_resource), -+}; -+ -+static struct resource wdt_resource[] = { -+ { -+ .start = 0xfff000b0, -+ .end = 0xfff000b7, -+ .flags = IORESOURCE_MEM, -+ }, -+}; -+struct platform_device at32_wdt_device = { -+ .name = "wdt", -+ .id = 0, -+ .resource = wdt_resource, -+ .num_resources = ARRAY_SIZE(wdt_resource), -+}; - - static struct resource intc0_resource[] = { - PBMEM(0xfff00400), -@@ -442,6 +492,7 @@ static struct clk hramc_clk = { - .mode = hsb_clk_mode, - .get_rate = hsb_clk_get_rate, - .users = 1, -+ .index = 3, - }; - - static struct resource smc0_resource[] = { -@@ -466,6 +517,68 @@ static struct clk pico_clk = { - .users = 1, - }; - -+static struct resource dmaca0_resource[] = { -+ { -+ .start = 0xff200000, -+ .end = 0xff20ffff, -+ .flags = IORESOURCE_MEM, -+ }, -+ IRQ(2), -+}; -+DEFINE_DEV(dmaca, 0); -+DEV_CLK(hclk, dmaca0, hsb, 10); -+ -+/* -------------------------------------------------------------------- -+ * HMATRIX -+ * -------------------------------------------------------------------- */ -+ -+static struct clk hmatrix_clk = { -+ .name = "hmatrix_clk", -+ .parent = &pbb_clk, -+ .mode = pbb_clk_mode, -+ .get_rate = pbb_clk_get_rate, -+ .index = 2, -+ .users = 1, -+}; -+#define HMATRIX_BASE ((void __iomem *)0xfff00800) -+ -+#define hmatrix_readl(reg) \ -+ __raw_readl((HMATRIX_BASE) + HMATRIX_##reg) -+#define hmatrix_writel(reg,value) \ -+ __raw_writel((value), (HMATRIX_BASE) + HMATRIX_##reg) -+ -+/* -+ * Set bits in the HMATRIX Special Function Register (SFR) used by the -+ * External Bus Interface (EBI). This can be used to enable special -+ * features like CompactFlash support, NAND Flash support, etc. on -+ * certain chipselects. -+ */ -+static inline void set_ebi_sfr_bits(u32 mask) -+{ -+ u32 sfr; -+ -+ clk_enable(&hmatrix_clk); -+ sfr = hmatrix_readl(SFR4); -+ sfr |= mask; -+ hmatrix_writel(SFR4, sfr); -+ clk_disable(&hmatrix_clk); -+} -+ -+/* -------------------------------------------------------------------- -+ * System Timer/Counter (TC) -+ * -------------------------------------------------------------------- */ -+static struct resource at32_systc0_resource[] = { -+ PBMEM(0xfff00c00), -+ IRQ(22), -+}; -+struct platform_device at32_systc0_device = { -+ .name = "systc", -+ .id = 0, -+ .resource = at32_systc0_resource, -+ .num_resources = ARRAY_SIZE(at32_systc0_resource), -+}; -+DEV_CLK(pclk, at32_systc0, pbb, 3); -+ - /* -------------------------------------------------------------------- - * PIO - * -------------------------------------------------------------------- */ -@@ -510,9 +623,15 @@ void __init at32_add_system_devices(void) - system_manager.eim_first_irq = EIM_IRQ_BASE; - - platform_device_register(&at32_sm_device); -+ platform_device_register(&at32_pm_device); -+ platform_device_register(&at32_rtc_device); -+ platform_device_register(&at32_wdt_device); - platform_device_register(&at32_intc0_device); - platform_device_register(&smc0_device); - platform_device_register(&pdc_device); -+ platform_device_register(&dmaca0_device); -+ -+ platform_device_register(&at32_systc0_device); - - platform_device_register(&pio0_device); - platform_device_register(&pio1_device); -@@ -816,22 +935,105 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n) - } - - /* -------------------------------------------------------------------- -+ * TWI -+ * -------------------------------------------------------------------- */ -+ -+static struct resource atmel_twi0_resource[] = { -+ PBMEM(0xffe00800), -+ IRQ(5), -+}; -+DEFINE_DEV(atmel_twi, 0); -+DEV_CLK(pclk,atmel_twi0,pba,2); -+ -+struct platform_device *__init -+at32_add_device_twi(unsigned int id) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &atmel_twi0_device; -+ select_peripheral(PA(6), PERIPH_A, 0); /* SDA */ -+ select_peripheral(PA(7), PERIPH_A, 0); /* SCL */ -+ break; -+ -+ default: -+ return NULL; -+ } -+ -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- -+ * MMC -+ * -------------------------------------------------------------------- */ -+static struct mci_platform_data atmel_mci0_data = { -+ .detect_pin = GPIO_PIN_NONE, -+ .wp_pin = GPIO_PIN_NONE, -+}; -+static struct resource atmel_mci0_resource[] = { -+ PBMEM(0xfff02400), -+ IRQ(28), -+}; -+DEFINE_DEV_DATA(atmel_mci, 0); -+DEV_CLK(mci_clk, atmel_mci0, pbb, 9); -+ -+struct platform_device *__init -+at32_add_device_mci(unsigned int id, struct mci_platform_data *data) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &atmel_mci0_device; -+ select_peripheral(PA(10), PERIPH_A, 0); /* CLK */ -+ select_peripheral(PA(11), PERIPH_A, 0); /* CMD */ -+ select_peripheral(PA(12), PERIPH_A, 0); /* DATA0 */ -+ select_peripheral(PA(13), PERIPH_A, 0); /* DATA1 */ -+ select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */ -+ select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */ -+ break; -+ default: -+ return NULL; -+ } -+ -+ if (data) { -+ if (data->detect_pin != GPIO_PIN_NONE) -+ at32_select_gpio(data->detect_pin, 0); -+ if (data->wp_pin != GPIO_PIN_NONE) -+ at32_select_gpio(data->wp_pin, 0); -+ memcpy(pdev->dev.platform_data, data, -+ sizeof(struct mci_platform_data)); -+ } -+ -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- - * LCDC - * -------------------------------------------------------------------- */ --static struct lcdc_platform_data lcdc0_data; --static struct resource lcdc0_resource[] = { -+static struct atmel_lcdfb_info atmel_lcdfb0_data; -+static struct resource atmel_lcdfb0_resource[] = { - { - .start = 0xff000000, - .end = 0xff000fff, - .flags = IORESOURCE_MEM, - }, - IRQ(1), -+ { -+ /* Placeholder for pre-allocated fb memory */ -+ .start = 0x00000000, -+ .end = 0x00000000, -+ .flags = 0, -+ }, - }; --DEFINE_DEV_DATA(lcdc, 0); --DEV_CLK(hclk, lcdc0, hsb, 7); --static struct clk lcdc0_pixclk = { -- .name = "pixclk", -- .dev = &lcdc0_device.dev, -+DEFINE_DEV_DATA(atmel_lcdfb, 0); -+DEV_CLK(hck1, atmel_lcdfb0, hsb, 7); -+static struct clk atmel_lcdfb0_pixclk = { -+ .name = "lcdc_clk", -+ .dev = &atmel_lcdfb0_device.dev, - .mode = genclk_mode, - .get_rate = genclk_get_rate, - .set_rate = genclk_set_rate, -@@ -840,13 +1042,34 @@ static struct clk lcdc0_pixclk = { - }; - - struct platform_device *__init --at32_add_device_lcdc(unsigned int id, struct lcdc_platform_data *data) -+at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, -+ unsigned long fbmem_start, unsigned long fbmem_len) - { - struct platform_device *pdev; -+ struct atmel_lcdfb_info *info; -+ struct fb_monspecs *monspecs; -+ struct fb_videomode *modedb; -+ unsigned int modedb_size; -+ -+ /* -+ * Do a deep copy of the fb data, monspecs and modedb. Make -+ * sure all allocations are done before setting up the -+ * portmux. -+ */ -+ monspecs = kmemdup(data->default_monspecs, -+ sizeof(struct fb_monspecs), GFP_KERNEL); -+ if (!monspecs) -+ return NULL; -+ -+ modedb_size = sizeof(struct fb_videomode) * monspecs->modedb_len; -+ modedb = kmemdup(monspecs->modedb, modedb_size, GFP_KERNEL); -+ if (!modedb) -+ goto err_dup_modedb; -+ monspecs->modedb = modedb; - - switch (id) { - case 0: -- pdev = &lcdc0_device; -+ pdev = &atmel_lcdfb0_device; - select_peripheral(PC(19), PERIPH_A, 0); /* CC */ - select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */ - select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */ -@@ -879,16 +1102,287 @@ at32_add_device_lcdc(unsigned int id, struct lcdc_platform_data *data) - select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */ - select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */ - -- clk_set_parent(&lcdc0_pixclk, &pll0); -- clk_set_rate(&lcdc0_pixclk, clk_get_rate(&pll0)); -+ clk_set_parent(&atmel_lcdfb0_pixclk, &pll0); -+ clk_set_rate(&atmel_lcdfb0_pixclk, clk_get_rate(&pll0)); -+ break; -+ -+ default: -+ goto err_invalid_id; -+ } -+ -+ if (fbmem_len) { -+ pdev->resource[2].start = fbmem_start; -+ pdev->resource[2].end = fbmem_start + fbmem_len - 1; -+ pdev->resource[2].flags = IORESOURCE_MEM; -+ } -+ -+ info = pdev->dev.platform_data; -+ memcpy(info, data, sizeof(struct atmel_lcdfb_info)); -+ info->default_monspecs = monspecs; -+ -+ platform_device_register(pdev); -+ return pdev; -+ -+err_invalid_id: -+ kfree(modedb); -+err_dup_modedb: -+ kfree(monspecs); -+ return NULL; -+} -+ -+/* -------------------------------------------------------------------- -+ * USB Device Controller -+ * -------------------------------------------------------------------- */ -+static struct resource usba0_resource[] = { -+ { -+ .start = 0xff300000, -+ .end = 0xff3fffff, -+ .flags = IORESOURCE_MEM, -+ }, -+ PBMEM(0xfff03000), -+ IRQ(31), -+}; -+DEFINE_DEV(usba, 0); -+DEV_CLK(pclk, usba0, pbb, 12); -+DEV_CLK(hclk, usba0, hsb, 6); -+ -+struct platform_device *__init at32_add_device_usba(unsigned int id) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &usba0_device; -+ /* USB pads are not multiplexed */ - break; -+ default: -+ return NULL; -+ } - -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- -+ * SSC -+ * -------------------------------------------------------------------- */ -+static struct resource ssc0_resource[] = { -+ PBMEM(0xffe01c00), -+ IRQ(10), -+}; -+DEFINE_DEV(ssc, 0); -+DEV_CLK(pclk, ssc0, pba, 7); -+ -+static struct resource ssc1_resource[] = { -+ PBMEM(0xffe02000), -+ IRQ(11), -+}; -+DEFINE_DEV(ssc, 1); -+DEV_CLK(pclk, ssc1, pba, 8); -+ -+static struct resource ssc2_resource[] = { -+ PBMEM(0xffe02400), -+ IRQ(12), -+}; -+DEFINE_DEV(ssc, 2); -+DEV_CLK(pclk, ssc2, pba, 9); -+ -+struct platform_device *__init -+at32_add_device_ssc(unsigned int id, unsigned int flags) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &ssc0_device; -+ if (flags & ATMEL_SSC_RF) -+ select_peripheral(PA(21), PERIPH_A, 0); /* RF */ -+ if (flags & ATMEL_SSC_RK) -+ select_peripheral(PA(22), PERIPH_A, 0); /* RK */ -+ if (flags & ATMEL_SSC_TK) -+ select_peripheral(PA(23), PERIPH_A, 0); /* TK */ -+ if (flags & ATMEL_SSC_TF) -+ select_peripheral(PA(24), PERIPH_A, 0); /* TF */ -+ if (flags & ATMEL_SSC_TD) -+ select_peripheral(PA(25), PERIPH_A, 0); /* TD */ -+ if (flags & ATMEL_SSC_RD) -+ select_peripheral(PA(26), PERIPH_A, 0); /* RD */ -+ break; -+ case 1: -+ pdev = &ssc1_device; -+ if (flags & ATMEL_SSC_RF) -+ select_peripheral(PA(0), PERIPH_B, 0); /* RF */ -+ if (flags & ATMEL_SSC_RK) -+ select_peripheral(PA(1), PERIPH_B, 0); /* RK */ -+ if (flags & ATMEL_SSC_TK) -+ select_peripheral(PA(2), PERIPH_B, 0); /* TK */ -+ if (flags & ATMEL_SSC_TF) -+ select_peripheral(PA(3), PERIPH_B, 0); /* TF */ -+ if (flags & ATMEL_SSC_TD) -+ select_peripheral(PA(4), PERIPH_B, 0); /* TD */ -+ if (flags & ATMEL_SSC_RD) -+ select_peripheral(PA(5), PERIPH_B, 0); /* RD */ -+ break; -+ case 2: -+ pdev = &ssc2_device; -+ if (flags & ATMEL_SSC_TD) -+ select_peripheral(PB(13), PERIPH_A, 0); /* TD */ -+ if (flags & ATMEL_SSC_RD) -+ select_peripheral(PB(14), PERIPH_A, 0); /* RD */ -+ if (flags & ATMEL_SSC_TK) -+ select_peripheral(PB(15), PERIPH_A, 0); /* TK */ -+ if (flags & ATMEL_SSC_TF) -+ select_peripheral(PB(16), PERIPH_A, 0); /* TF */ -+ if (flags & ATMEL_SSC_RF) -+ select_peripheral(PB(17), PERIPH_A, 0); /* RF */ -+ if (flags & ATMEL_SSC_RK) -+ select_peripheral(PB(18), PERIPH_A, 0); /* RK */ -+ break; -+ default: -+ return NULL; -+ } -+ -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- -+ * AC97C -+ * -------------------------------------------------------------------- */ -+static struct resource atmel_ac97c0_resource[] = { -+ PBMEM(0xfff02800), -+ IRQ(29), -+}; -+DEFINE_DEV(atmel_ac97c, 0); -+DEV_CLK(pclk, atmel_ac97c0, pbb, 10); -+ -+struct platform_device *__init -+at32_add_device_ac97c(unsigned int id) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &atmel_ac97c0_device; -+ select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */ -+ select_peripheral(PB(21), PERIPH_B, 0); /* SDO */ -+ select_peripheral(PB(22), PERIPH_B, 0); /* SDI */ -+ select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */ -+ break; - default: - return NULL; - } - -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- -+ * DAC -+ * -------------------------------------------------------------------- */ -+static struct resource abdac0_resource[] = { -+ PBMEM(0xfff02000), -+ IRQ(27), -+}; -+DEFINE_DEV(abdac, 0); -+DEV_CLK(pclk, abdac0, pbb, 8); -+static struct clk abdac0_sample_clk = { -+ .name = "sample_clk", -+ .dev = &abdac0_device.dev, -+ .mode = genclk_mode, -+ .get_rate = genclk_get_rate, -+ .set_rate = genclk_set_rate, -+ .set_parent = genclk_set_parent, -+ .index = 6, -+}; -+ -+struct platform_device *__init -+at32_add_device_abdac(unsigned int id) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &abdac0_device; -+ select_peripheral(PB(20), PERIPH_A, 0); /* DATA1 */ -+ select_peripheral(PB(21), PERIPH_A, 0); /* DATA0 */ -+ select_peripheral(PB(22), PERIPH_A, 0); /* DATAN1 */ -+ select_peripheral(PB(23), PERIPH_A, 0); /* DATAN0 */ -+ break; -+ default: -+ return NULL; -+ } -+ -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- -+ * CompactFlash -+ * -------------------------------------------------------------------- */ -+static struct cf_platform_data at32_cf0_data; -+static struct resource at32_cf0_resource[] = { -+ { -+ .start = 0x04000000, -+ .end = 0x07ffffff, -+ .flags = IORESOURCE_MEM, -+ }, -+ IRQ(~0UL), -+}; -+DEFINE_DEV_DATA(at32_cf, 0); -+ -+struct platform_device *__init -+at32_add_device_cf(unsigned int id, unsigned int extint, -+ struct cf_platform_data *data) -+{ -+ struct platform_device *pdev; -+ unsigned int extint_pin; -+ -+ switch (extint) { -+ case 0: -+ extint_pin = GPIO_PIN_PB(25); -+ break; -+ case 1: -+ extint_pin = GPIO_PIN_PB(26); -+ break; -+ case 2: -+ extint_pin = GPIO_PIN_PB(27); -+ break; -+ case 3: -+ extint_pin = GPIO_PIN_PB(28); -+ break; -+ default: -+ return NULL; -+ } -+ -+ switch (id) { -+ case 0: -+ pdev = &at32_cf0_device; -+ select_peripheral(PE(19), PERIPH_A, 0); /* CFCE1 */ -+ select_peripheral(PE(20), PERIPH_A, 0); /* CFCE2 */ -+ select_peripheral(PE(21), PERIPH_A, 0); /* NCS4 */ -+ select_peripheral(PE(23), PERIPH_A, 0); /* CFNRW */ -+ select_peripheral(PE(24), PERIPH_A, 0); /* NWAIT */ -+ set_ebi_sfr_bits(HMATRIX_BIT(CS4A)); -+ data->cs = 4; -+ break; -+ default: -+ return NULL; -+ } -+ -+ if (data->detect_pin) -+ at32_select_gpio(data->detect_pin, AT32_GPIOF_DEGLITCH); -+ if (data->reset_pin) -+ at32_select_gpio(data->reset_pin, 0); -+ if (data->vcc_pin) -+ at32_select_gpio(data->vcc_pin, 0); -+ -+ at32_select_periph(extint_pin, GPIO_PERIPH_A, AT32_GPIOF_PULLUP); -+ pdev->resource[1].start = system_manager.eim_first_irq + extint; -+ pdev->resource[1].end = pdev->resource[1].start; -+ - memcpy(pdev->dev.platform_data, data, -- sizeof(struct lcdc_platform_data)); -+ sizeof(struct cf_platform_data)); - - platform_device_register(pdev); - return pdev; -@@ -950,18 +1444,21 @@ struct clk *at32_clock_list[] = { - &pbb_clk, - &at32_sm_pclk, - &at32_intc0_pclk, -+ &hmatrix_clk, - &ebi_clk, - &hramc_clk, - &smc0_pclk, - &smc0_mck, - &pdc_hclk, - &pdc_pclk, -+ &dmaca0_hclk, - &pico_clk, - &pio0_mck, - &pio1_mck, - &pio2_mck, - &pio3_mck, - &pio4_mck, -+ &at32_systc0_pclk, - &atmel_usart0_usart, - &atmel_usart1_usart, - &atmel_usart2_usart, -@@ -972,8 +1469,18 @@ struct clk *at32_clock_list[] = { - &macb1_pclk, - &atmel_spi0_spi_clk, - &atmel_spi1_spi_clk, -- &lcdc0_hclk, -- &lcdc0_pixclk, -+ &atmel_twi0_pclk, -+ &atmel_mci0_mci_clk, -+ &atmel_lcdfb0_hck1, -+ &atmel_lcdfb0_pixclk, -+ &usba0_pclk, -+ &usba0_hclk, -+ &ssc0_pclk, -+ &ssc1_pclk, -+ &ssc2_pclk, -+ &atmel_ac97c0_pclk, -+ &abdac0_pclk, -+ &abdac0_sample_clk, - &gclk0, - &gclk1, - &gclk2, -@@ -1012,7 +1519,8 @@ void __init at32_clock_init(void) - genclk_init_parent(&gclk2); - genclk_init_parent(&gclk3); - genclk_init_parent(&gclk4); -- genclk_init_parent(&lcdc0_pixclk); -+ genclk_init_parent(&atmel_lcdfb0_pixclk); -+ genclk_init_parent(&abdac0_sample_clk); - - /* - * Turn on all clocks that have at least one user already, and -@@ -1024,6 +1532,9 @@ void __init at32_clock_init(void) - for (i = 0; i < ARRAY_SIZE(at32_clock_list); i++) { - struct clk *clk = at32_clock_list[i]; - -+ if (clk->users == 0) -+ continue; -+ - if (clk->mode == &cpu_clk_mode) - cpu_mask |= 1 << clk->index; - else if (clk->mode == &hsb_clk_mode) -diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c -index 00c4354..e8a12a3 100644 ---- a/arch/avr32/mach-at32ap/clock.c -+++ b/arch/avr32/mach-at32ap/clock.c -@@ -18,7 +18,7 @@ - - #include "clock.h" - --static spinlock_t clk_lock = SPIN_LOCK_UNLOCKED; -+static DEFINE_SPINLOCK(clk_lock); - - struct clk *clk_get(struct device *dev, const char *id) - { -@@ -125,7 +125,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate) - ret = clk->set_rate(clk, rate, 1); - spin_unlock_irqrestore(&clk_lock, flags); - -- return (ret < 0) ? ret : 0; -+ return (ret > 0) ? ret : 0; - } - EXPORT_SYMBOL(clk_set_rate); - -diff --git a/arch/avr32/mach-at32ap/hmatrix.h b/arch/avr32/mach-at32ap/hmatrix.h -new file mode 100644 -index 0000000..d10bfb6 ---- /dev/null -+++ b/arch/avr32/mach-at32ap/hmatrix.h -@@ -0,0 +1,182 @@ -+/* -+ * Register definitions for High-Speed Bus Matrix -+ */ -+#ifndef __HMATRIX_H -+#define __HMATRIX_H -+ -+/* HMATRIX register offsets */ -+#define HMATRIX_MCFG0 0x0000 -+#define HMATRIX_MCFG1 0x0004 -+#define HMATRIX_MCFG2 0x0008 -+#define HMATRIX_MCFG3 0x000c -+#define HMATRIX_MCFG4 0x0010 -+#define HMATRIX_MCFG5 0x0014 -+#define HMATRIX_MCFG6 0x0018 -+#define HMATRIX_MCFG7 0x001c -+#define HMATRIX_MCFG8 0x0020 -+#define HMATRIX_MCFG9 0x0024 -+#define HMATRIX_MCFG10 0x0028 -+#define HMATRIX_MCFG11 0x002c -+#define HMATRIX_MCFG12 0x0030 -+#define HMATRIX_MCFG13 0x0034 -+#define HMATRIX_MCFG14 0x0038 -+#define HMATRIX_MCFG15 0x003c -+#define HMATRIX_SCFG0 0x0040 -+#define HMATRIX_SCFG1 0x0044 -+#define HMATRIX_SCFG2 0x0048 -+#define HMATRIX_SCFG3 0x004c -+#define HMATRIX_SCFG4 0x0050 -+#define HMATRIX_SCFG5 0x0054 -+#define HMATRIX_SCFG6 0x0058 -+#define HMATRIX_SCFG7 0x005c -+#define HMATRIX_SCFG8 0x0060 -+#define HMATRIX_SCFG9 0x0064 -+#define HMATRIX_SCFG10 0x0068 -+#define HMATRIX_SCFG11 0x006c -+#define HMATRIX_SCFG12 0x0070 -+#define HMATRIX_SCFG13 0x0074 -+#define HMATRIX_SCFG14 0x0078 -+#define HMATRIX_SCFG15 0x007c -+#define HMATRIX_PRAS0 0x0080 -+#define HMATRIX_PRBS0 0x0084 -+#define HMATRIX_PRAS1 0x0088 -+#define HMATRIX_PRBS1 0x008c -+#define HMATRIX_PRAS2 0x0090 -+#define HMATRIX_PRBS2 0x0094 -+#define HMATRIX_PRAS3 0x0098 -+#define HMATRIX_PRBS3 0x009c -+#define HMATRIX_PRAS4 0x00a0 -+#define HMATRIX_PRBS4 0x00a4 -+#define HMATRIX_PRAS5 0x00a8 -+#define HMATRIX_PRBS5 0x00ac -+#define HMATRIX_PRAS6 0x00b0 -+#define HMATRIX_PRBS6 0x00b4 -+#define HMATRIX_PRAS7 0x00b8 -+#define HMATRIX_PRBS7 0x00bc -+#define HMATRIX_PRAS8 0x00c0 -+#define HMATRIX_PRBS8 0x00c4 -+#define HMATRIX_PRAS9 0x00c8 -+#define HMATRIX_PRBS9 0x00cc -+#define HMATRIX_PRAS10 0x00d0 -+#define HMATRIX_PRBS10 0x00d4 -+#define HMATRIX_PRAS11 0x00d8 -+#define HMATRIX_PRBS11 0x00dc -+#define HMATRIX_PRAS12 0x00e0 -+#define HMATRIX_PRBS12 0x00e4 -+#define HMATRIX_PRAS13 0x00e8 -+#define HMATRIX_PRBS13 0x00ec -+#define HMATRIX_PRAS14 0x00f0 -+#define HMATRIX_PRBS14 0x00f4 -+#define HMATRIX_PRAS15 0x00f8 -+#define HMATRIX_PRBS15 0x00fc -+#define HMATRIX_MRCR 0x0100 -+#define HMATRIX_SFR0 0x0110 -+#define HMATRIX_SFR1 0x0114 -+#define HMATRIX_SFR2 0x0118 -+#define HMATRIX_SFR3 0x011c -+#define HMATRIX_SFR4 0x0120 -+#define HMATRIX_SFR5 0x0124 -+#define HMATRIX_SFR6 0x0128 -+#define HMATRIX_SFR7 0x012c -+#define HMATRIX_SFR8 0x0130 -+#define HMATRIX_SFR9 0x0134 -+#define HMATRIX_SFR10 0x0138 -+#define HMATRIX_SFR11 0x013c -+#define HMATRIX_SFR12 0x0140 -+#define HMATRIX_SFR13 0x0144 -+#define HMATRIX_SFR14 0x0148 -+#define HMATRIX_SFR15 0x014c -+ -+/* Bitfields in MCFGx */ -+#define HMATRIX_ULBT_OFFSET 0 -+#define HMATRIX_ULBT_SIZE 3 -+ -+/* Bitfields in SCFGx */ -+#define HMATRIX_SLOT_CYCLE_OFFSET 0 -+#define HMATRIX_SLOT_CYCLE_SIZE 8 -+#define HMATRIX_DEFMSTR_TYPE_OFFSET 16 -+#define HMATRIX_DEFMSTR_TYPE_SIZE 2 -+#define HMATRIX_FIXED_DEFMSTR_OFFSET 18 -+#define HMATRIX_FIXED_DEFMSTR_SIZE 4 -+#define HMATRIX_ARBT_OFFSET 24 -+#define HMATRIX_ARBT_SIZE 2 -+ -+/* Bitfields in PRASx */ -+#define HMATRIX_M0PR_OFFSET 0 -+#define HMATRIX_M0PR_SIZE 4 -+#define HMATRIX_M1PR_OFFSET 4 -+#define HMATRIX_M1PR_SIZE 4 -+#define HMATRIX_M2PR_OFFSET 8 -+#define HMATRIX_M2PR_SIZE 4 -+#define HMATRIX_M3PR_OFFSET 12 -+#define HMATRIX_M3PR_SIZE 4 -+#define HMATRIX_M4PR_OFFSET 16 -+#define HMATRIX_M4PR_SIZE 4 -+#define HMATRIX_M5PR_OFFSET 20 -+#define HMATRIX_M5PR_SIZE 4 -+#define HMATRIX_M6PR_OFFSET 24 -+#define HMATRIX_M6PR_SIZE 4 -+#define HMATRIX_M7PR_OFFSET 28 -+#define HMATRIX_M7PR_SIZE 4 -+ -+/* Bitfields in PRBSx */ -+#define HMATRIX_M8PR_OFFSET 0 -+#define HMATRIX_M8PR_SIZE 4 -+#define HMATRIX_M9PR_OFFSET 4 -+#define HMATRIX_M9PR_SIZE 4 -+#define HMATRIX_M10PR_OFFSET 8 -+#define HMATRIX_M10PR_SIZE 4 -+#define HMATRIX_M11PR_OFFSET 12 -+#define HMATRIX_M11PR_SIZE 4 -+#define HMATRIX_M12PR_OFFSET 16 -+#define HMATRIX_M12PR_SIZE 4 -+#define HMATRIX_M13PR_OFFSET 20 -+#define HMATRIX_M13PR_SIZE 4 -+#define HMATRIX_M14PR_OFFSET 24 -+#define HMATRIX_M14PR_SIZE 4 -+#define HMATRIX_M15PR_OFFSET 28 -+#define HMATRIX_M15PR_SIZE 4 -+ -+/* Bitfields in SFR4 */ -+#define HMATRIX_CS1A_OFFSET 1 -+#define HMATRIX_CS1A_SIZE 1 -+#define HMATRIX_CS3A_OFFSET 3 -+#define HMATRIX_CS3A_SIZE 1 -+#define HMATRIX_CS4A_OFFSET 4 -+#define HMATRIX_CS4A_SIZE 1 -+#define HMATRIX_CS5A_OFFSET 5 -+#define HMATRIX_CS5A_SIZE 1 -+#define HMATRIX_DBPUC_OFFSET 8 -+#define HMATRIX_DBPUC_SIZE 1 -+ -+/* Constants for ULBT */ -+#define HMATRIX_ULBT_INFINITE 0 -+#define HMATRIX_ULBT_SINGLE 1 -+#define HMATRIX_ULBT_FOUR_BEAT 2 -+#define HMATRIX_ULBT_EIGHT_BEAT 3 -+#define HMATRIX_ULBT_SIXTEEN_BEAT 4 -+ -+/* Constants for DEFMSTR_TYPE */ -+#define HMATRIX_DEFMSTR_TYPE_NO_DEFAULT 0 -+#define HMATRIX_DEFMSTR_TYPE_LAST_DEFAULT 1 -+#define HMATRIX_DEFMSTR_TYPE_FIXED_DEFAULT 2 -+ -+/* Constants for ARBT */ -+#define HMATRIX_ARBT_ROUND_ROBIN 0 -+#define HMATRIX_ARBT_FIXED_PRIORITY 1 -+ -+/* Bit manipulation macros */ -+#define HMATRIX_BIT(name) \ -+ (1 << HMATRIX_##name##_OFFSET) -+#define HMATRIX_BF(name,value) \ -+ (((value) & ((1 << HMATRIX_##name##_SIZE) - 1)) \ -+ << HMATRIX_##name##_OFFSET) -+#define HMATRIX_BFEXT(name,value) \ -+ (((value) >> HMATRIX_##name##_OFFSET) \ -+ & ((1 << HMATRIX_##name##_SIZE) - 1)) -+#define HMATRIX_BFINS(name,value,old) \ -+ (((old) & ~(((1 << HMATRIX_##name##_SIZE) - 1) \ -+ << HMATRIX_##name##_OFFSET)) \ -+ | HMATRIX_BF(name,value)) -+ -+#endif /* __HMATRIX_H */ -diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c -index 7691721..5e22a75 100644 ---- a/arch/avr32/mach-at32ap/hsmc.c -+++ b/arch/avr32/mach-at32ap/hsmc.c -@@ -75,12 +75,35 @@ int smc_set_configuration(int cs, const struct smc_config *config) - return -EINVAL; - } - -+ switch (config->nwait_mode) { -+ case 0: -+ mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_DISABLED); -+ break; -+ case 1: -+ mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_RESERVED); -+ break; -+ case 2: -+ mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_FROZEN); -+ break; -+ case 3: -+ mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_READY); -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ if (config->tdf_cycles) { -+ mode |= HSMC_BF(TDF_CYCLES, config->tdf_cycles); -+ } -+ - if (config->nrd_controlled) - mode |= HSMC_BIT(READ_MODE); - if (config->nwe_controlled) - mode |= HSMC_BIT(WRITE_MODE); - if (config->byte_write) - mode |= HSMC_BIT(BAT); -+ if (config->tdf_mode) -+ mode |= HSMC_BIT(TDF_MODE); - - pr_debug("smc cs%d: setup/%08x pulse/%08x cycle/%08x mode/%08x\n", - cs, setup, pulse, cycle, mode); -diff --git a/arch/avr32/mach-at32ap/time-tc.c b/arch/avr32/mach-at32ap/time-tc.c -new file mode 100644 -index 0000000..e3070bd ---- /dev/null -+++ b/arch/avr32/mach-at32ap/time-tc.c -@@ -0,0 +1,218 @@ -+/* -+ * Copyright (C) 2004-2007 Atmel Corporation -+ * -+ * Based on MIPS implementation arch/mips/kernel/time.c -+ * Copyright 2001 MontaVista Software Inc. -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/clk.h> -+#include <linux/clocksource.h> -+#include <linux/time.h> -+#include <linux/module.h> -+#include <linux/interrupt.h> -+#include <linux/irq.h> -+#include <linux/kernel_stat.h> -+#include <linux/errno.h> -+#include <linux/init.h> -+#include <linux/profile.h> -+#include <linux/sysdev.h> -+#include <linux/err.h> -+ -+#include <asm/div64.h> -+#include <asm/sysreg.h> -+#include <asm/io.h> -+#include <asm/sections.h> -+ -+#include <asm/arch/time.h> -+ -+/* how many counter cycles in a jiffy? */ -+static u32 cycles_per_jiffy; -+ -+/* the count value for the next timer interrupt */ -+static u32 expirelo; -+ -+/* the I/O registers of the TC module */ -+static void __iomem *ioregs; -+ -+cycle_t read_cycle_count(void) -+{ -+ return (cycle_t)timer_read(ioregs, 0, CV); -+} -+ -+struct clocksource clocksource_avr32 = { -+ .name = "avr32", -+ .rating = 342, -+ .read = read_cycle_count, -+ .mask = CLOCKSOURCE_MASK(16), -+ .shift = 16, -+ .flags = CLOCK_SOURCE_IS_CONTINUOUS, -+}; -+ -+static void avr32_timer_ack(void) -+{ -+ u16 count = expirelo; -+ -+ /* Ack this timer interrupt and set the next one, use a u16 -+ * variable so it will wrap around correctly */ -+ count += cycles_per_jiffy; -+ expirelo = count; -+ timer_write(ioregs, 0, RC, expirelo); -+ -+ /* Check to see if we have missed any timer interrupts */ -+ count = timer_read(ioregs, 0, CV); -+ if ((count - expirelo) < 0x7fff) { -+ expirelo = count + cycles_per_jiffy; -+ timer_write(ioregs, 0, RC, expirelo); -+ } -+} -+ -+u32 avr32_hpt_read(void) -+{ -+ return timer_read(ioregs, 0, CV); -+} -+ -+static int avr32_timer_calc_div_and_set_jiffies(struct clk *pclk) -+{ -+ unsigned int cycles_max = (clocksource_avr32.mask + 1) / 2; -+ unsigned int divs[] = { 4, 8, 16, 32 }; -+ int divs_size = sizeof(divs) / sizeof(*divs); -+ int i = 0; -+ unsigned long count_hz; -+ unsigned long shift; -+ unsigned long mult; -+ int clock_div = -1; -+ u64 tmp; -+ -+ shift = clocksource_avr32.shift; -+ -+ do { -+ count_hz = clk_get_rate(pclk) / divs[i]; -+ mult = clocksource_hz2mult(count_hz, shift); -+ clocksource_avr32.mult = mult; -+ -+ tmp = TICK_NSEC; -+ tmp <<= shift; -+ tmp += mult / 2; -+ do_div(tmp, mult); -+ -+ cycles_per_jiffy = tmp; -+ } while (cycles_per_jiffy > cycles_max && ++i < divs_size); -+ -+ clock_div = i + 1; -+ -+ if (clock_div > divs_size) { -+ pr_debug("timer: could not calculate clock divider\n"); -+ return -EFAULT; -+ } -+ -+ /* Set the clock divider */ -+ timer_write(ioregs, 0, CMR, TIMER_BF(CMR_TCCLKS, clock_div)); -+ -+ return 0; -+} -+ -+int avr32_hpt_init(unsigned int count) -+{ -+ struct resource *regs; -+ struct clk *pclk; -+ int irq = -1; -+ int ret = 0; -+ -+ ret = -ENXIO; -+ -+ irq = platform_get_irq(&at32_systc0_device, 0); -+ if (irq < 0) { -+ pr_debug("timer: could not get irq\n"); -+ goto out_error; -+ } -+ -+ pclk = clk_get(&at32_systc0_device.dev, "pclk"); -+ if (IS_ERR(pclk)) { -+ pr_debug("timer: could not get clk: %ld\n", PTR_ERR(pclk)); -+ goto out_error; -+ } -+ clk_enable(pclk); -+ -+ regs = platform_get_resource(&at32_systc0_device, IORESOURCE_MEM, 0); -+ if (!regs) { -+ pr_debug("timer: could not get resource\n"); -+ goto out_error_clk; -+ } -+ -+ ioregs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!ioregs) { -+ pr_debug("timer: could not get ioregs\n"); -+ goto out_error_clk; -+ } -+ -+ ret = avr32_timer_calc_div_and_set_jiffies(pclk); -+ if (ret) -+ goto out_error_io; -+ -+ ret = setup_irq(irq, &timer_irqaction); -+ if (ret) { -+ pr_debug("timer: could not request irq %d: %d\n", -+ irq, ret); -+ goto out_error_io; -+ } -+ -+ expirelo = (timer_read(ioregs, 0, CV) / cycles_per_jiffy + 1) -+ * cycles_per_jiffy; -+ -+ /* Enable clock and interrupts on RC compare */ -+ timer_write(ioregs, 0, CCR, TIMER_BIT(CCR_CLKEN)); -+ timer_write(ioregs, 0, IER, TIMER_BIT(IER_CPCS)); -+ /* Set cycles to first interrupt */ -+ timer_write(ioregs, 0, RC, expirelo); -+ -+ printk(KERN_INFO "timer: AT32AP system timer/counter at 0x%p irq %d\n", -+ ioregs, irq); -+ -+ return 0; -+ -+out_error_io: -+ iounmap(ioregs); -+out_error_clk: -+ clk_put(pclk); -+out_error: -+ return ret; -+} -+ -+int avr32_hpt_start(void) -+{ -+ timer_write(ioregs, 0, CCR, TIMER_BIT(CCR_SWTRG)); -+ return 0; -+} -+ -+irqreturn_t timer_interrupt(int irq, void *dev_id) -+{ -+ unsigned int sr = timer_read(ioregs, 0, SR); -+ -+ if (sr & TIMER_BIT(SR_CPCS)) { -+ /* ack timer interrupt and try to set next interrupt */ -+ avr32_timer_ack(); -+ -+ /* -+ * Call the generic timer interrupt handler -+ */ -+ write_seqlock(&xtime_lock); -+ do_timer(1); -+ write_sequnlock(&xtime_lock); -+ -+ /* -+ * In UP mode, we call local_timer_interrupt() to do profiling -+ * and process accounting. -+ * -+ * SMP is not supported yet. -+ */ -+ local_timer_interrupt(irq, dev_id); -+ -+ return IRQ_HANDLED; -+ } -+ -+ return IRQ_NONE; -+} -diff --git a/arch/avr32/mm/dma-coherent.c b/arch/avr32/mm/dma-coherent.c -index b68d669..099212d 100644 ---- a/arch/avr32/mm/dma-coherent.c -+++ b/arch/avr32/mm/dma-coherent.c -@@ -112,16 +112,21 @@ void dma_free_coherent(struct device *dev, size_t size, - } - EXPORT_SYMBOL(dma_free_coherent); - --#if 0 - void *dma_alloc_writecombine(struct device *dev, size_t size, - dma_addr_t *handle, gfp_t gfp) - { - struct page *page; -+ dma_addr_t phys; - - page = __dma_alloc(dev, size, handle, gfp); -+ if (!page) -+ return NULL; -+ -+ phys = page_to_phys(page); -+ *handle = phys; - - /* Now, map the page into P3 with write-combining turned on */ -- return __ioremap(page_to_phys(page), size, _PAGE_BUFFER); -+ return __ioremap(phys, size, _PAGE_BUFFER); - } - EXPORT_SYMBOL(dma_alloc_writecombine); - -@@ -132,8 +137,7 @@ void dma_free_writecombine(struct device *dev, size_t size, - - iounmap(cpu_addr); - -- page = bus_to_page(handle); -+ page = phys_to_page(handle); - __dma_free(dev, size, page, handle); - } - EXPORT_SYMBOL(dma_free_writecombine); --#endif -diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c -index 6785572..11941d8 100644 ---- a/arch/avr32/mm/fault.c -+++ b/arch/avr32/mm/fault.c -@@ -12,73 +12,46 @@ - #include <linux/mm.h> - #include <linux/module.h> - #include <linux/pagemap.h> -+#include <linux/kprobes.h> - - #include <asm/kdebug.h> - #include <asm/mmu_context.h> - #include <asm/sysreg.h> --#include <asm/uaccess.h> - #include <asm/tlb.h> -- --#ifdef DEBUG --static void dump_code(unsigned long pc) --{ -- char *p = (char *)pc; -- char val; -- int i; -- -- -- printk(KERN_DEBUG "Code:"); -- for (i = 0; i < 16; i++) { -- if (__get_user(val, p + i)) -- break; -- printk(" %02x", val); -- } -- printk("\n"); --} --#endif -+#include <asm/uaccess.h> - - #ifdef CONFIG_KPROBES --ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain); -- --/* Hook to register for page fault notifications */ --int register_page_fault_notifier(struct notifier_block *nb) -+static inline int notify_page_fault(struct pt_regs *regs, int trap) - { -- return atomic_notifier_chain_register(¬ify_page_fault_chain, nb); --} -+ int ret = 0; - --int unregister_page_fault_notifier(struct notifier_block *nb) --{ -- return atomic_notifier_chain_unregister(¬ify_page_fault_chain, nb); --} -+ if (!user_mode(regs)) { -+ if (kprobe_running() && kprobe_fault_handler(regs, trap)) -+ ret = 1; -+ } - --static inline int notify_page_fault(enum die_val val, struct pt_regs *regs, -- int trap, int sig) --{ -- struct die_args args = { -- .regs = regs, -- .trapnr = trap, -- }; -- return atomic_notifier_call_chain(¬ify_page_fault_chain, val, &args); -+ return ret; - } - #else --static inline int notify_page_fault(enum die_val val, struct pt_regs *regs, -- int trap, int sig) -+static inline int notify_page_fault(struct pt_regs *regs, int trap) - { -- return NOTIFY_DONE; -+ return 0; - } - #endif - -+int exception_trace = 1; -+ - /* - * This routine handles page faults. It determines the address and the - * problem, and then passes it off to one of the appropriate routines. - * - * ecr is the Exception Cause Register. Possible values are: -- * 5: Page not found (instruction access) - * 6: Protection fault (instruction access) -- * 12: Page not found (read access) -- * 13: Page not found (write access) -- * 14: Protection fault (read access) -- * 15: Protection fault (write access) -+ * 15: Protection fault (read access) -+ * 16: Protection fault (write access) -+ * 20: Page not found (instruction access) -+ * 24: Page not found (read access) -+ * 28: Page not found (write access) - */ - asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs) - { -@@ -88,10 +61,11 @@ asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs) - const struct exception_table_entry *fixup; - unsigned long address; - unsigned long page; -- int writeaccess = 0; -+ int writeaccess; -+ long signr; -+ int code; - -- if (notify_page_fault(DIE_PAGE_FAULT, regs, -- ecr, SIGSEGV) == NOTIFY_STOP) -+ if (notify_page_fault(regs, ecr)) - return; - - address = sysreg_read(TLBEAR); -@@ -99,6 +73,9 @@ asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs) - tsk = current; - mm = tsk->mm; - -+ signr = SIGSEGV; -+ code = SEGV_MAPERR; -+ - /* - * If we're in an interrupt or have no user context, we must - * not take the fault... -@@ -125,7 +102,9 @@ asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs) - * can handle it... - */ - good_area: -- //pr_debug("good area: vm_flags = 0x%lx\n", vma->vm_flags); -+ code = SEGV_ACCERR; -+ writeaccess = 0; -+ - switch (ecr) { - case ECR_PROTECTION_X: - case ECR_TLB_MISS_X: -@@ -176,46 +155,24 @@ survive: - * map. Fix it, but check if it's kernel or user first... - */ - bad_area: -- pr_debug("Bad area [%s:%u]: addr %08lx, ecr %lu\n", -- tsk->comm, tsk->pid, address, ecr); -- - up_read(&mm->mmap_sem); - - if (user_mode(regs)) { -- /* Hmm...we have to pass address and ecr somehow... */ -- /* tsk->thread.address = address; -- tsk->thread.error_code = ecr; */ --#ifdef DEBUG -- show_regs(regs); -- dump_code(regs->pc); -- -- page = sysreg_read(PTBR); -- printk("ptbr = %08lx", page); -- if (page) { -- page = ((unsigned long *)page)[address >> 22]; -- printk(" pgd = %08lx", page); -- if (page & _PAGE_PRESENT) { -- page &= PAGE_MASK; -- address &= 0x003ff000; -- page = ((unsigned long *)__va(page))[address >> PAGE_SHIFT]; -- printk(" pte = %08lx\n", page); -- } -- } --#endif -- pr_debug("Sending SIGSEGV to PID %d...\n", -- tsk->pid); -- force_sig(SIGSEGV, tsk); -+ if (exception_trace && printk_ratelimit()) -+ printk("%s%s[%d]: segfault at %08lx pc %08lx " -+ "sp %08lx ecr %lu\n", -+ is_init(tsk) ? KERN_EMERG : KERN_INFO, -+ tsk->comm, tsk->pid, address, regs->pc, -+ regs->sp, ecr); -+ _exception(SIGSEGV, regs, code, address); - return; - } - - no_context: -- pr_debug("No context\n"); -- - /* Are we prepared to handle this kernel fault? */ - fixup = search_exception_tables(regs->pc); - if (fixup) { - regs->pc = fixup->fixup; -- pr_debug("Found fixup at %08lx\n", fixup->fixup); - return; - } - -@@ -230,7 +187,6 @@ no_context: - printk(KERN_ALERT - "Unable to handle kernel paging request"); - printk(" at virtual address %08lx\n", address); -- printk(KERN_ALERT "pc = %08lx\n", regs->pc); - - page = sysreg_read(PTBR); - printk(KERN_ALERT "ptbr = %08lx", page); -@@ -241,20 +197,20 @@ no_context: - page &= PAGE_MASK; - address &= 0x003ff000; - page = ((unsigned long *)__va(page))[address >> PAGE_SHIFT]; -- printk(" pte = %08lx\n", page); -+ printk(" pte = %08lx", page); - } - } -- die("\nOops", regs, ecr); -- do_exit(SIGKILL); -+ printk("\n"); -+ die("Kernel access of bad area", regs, signr); -+ return; - - /* - * We ran out of memory, or some other thing happened to us - * that made us unable to handle the page fault gracefully. - */ - out_of_memory: -- printk("Out of memory\n"); - up_read(&mm->mmap_sem); -- if (current->pid == 1) { -+ if (is_init(current)) { - yield(); - down_read(&mm->mmap_sem); - goto survive; -@@ -267,21 +223,20 @@ out_of_memory: - do_sigbus: - up_read(&mm->mmap_sem); - -- /* -- * Send a sigbus, regardless of whether we were in kernel or -- * user mode. -- */ -- /* address, error_code, trap_no, ... */ --#ifdef DEBUG -- show_regs(regs); -- dump_code(regs->pc); --#endif -- pr_debug("Sending SIGBUS to PID %d...\n", tsk->pid); -- force_sig(SIGBUS, tsk); -- - /* Kernel mode? Handle exceptions or die */ -+ signr = SIGBUS; -+ code = BUS_ADRERR; - if (!user_mode(regs)) - goto no_context; -+ -+ if (exception_trace) -+ printk("%s%s[%d]: bus error at %08lx pc %08lx " -+ "sp %08lx ecr %lu\n", -+ is_init(tsk) ? KERN_EMERG : KERN_INFO, -+ tsk->comm, tsk->pid, address, regs->pc, -+ regs->sp, ecr); -+ -+ _exception(SIGBUS, regs, BUS_ADRERR, address); - } - - asmlinkage void do_bus_error(unsigned long addr, int write_access, -@@ -292,8 +247,7 @@ asmlinkage void do_bus_error(unsigned long addr, int write_access, - addr, write_access ? "write" : "read"); - printk(KERN_INFO "DTLB dump:\n"); - dump_dtlb(); -- die("Bus Error", regs, write_access); -- do_exit(SIGKILL); -+ die("Bus Error", regs, SIGKILL); - } - - /* -diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c -index 70da689..82cf708 100644 ---- a/arch/avr32/mm/init.c -+++ b/arch/avr32/mm/init.c -@@ -10,11 +10,9 @@ - #include <linux/mm.h> - #include <linux/swap.h> - #include <linux/init.h> --#include <linux/initrd.h> - #include <linux/mmzone.h> - #include <linux/bootmem.h> - #include <linux/pagemap.h> --#include <linux/pfn.h> - #include <linux/nodemask.h> - - #include <asm/page.h> -@@ -78,242 +76,6 @@ void show_mem(void) - printk ("%d pages swap cached\n", cached); - } - --static void __init print_memory_map(const char *what, -- struct tag_mem_range *mem) --{ -- printk ("%s:\n", what); -- for (; mem; mem = mem->next) { -- printk (" %08lx - %08lx\n", -- (unsigned long)mem->addr, -- (unsigned long)(mem->addr + mem->size)); -- } --} -- --#define MAX_LOWMEM HIGHMEM_START --#define MAX_LOWMEM_PFN PFN_DOWN(MAX_LOWMEM) -- --/* -- * Sort a list of memory regions in-place by ascending address. -- * -- * We're using bubble sort because we only have singly linked lists -- * with few elements. -- */ --static void __init sort_mem_list(struct tag_mem_range **pmem) --{ -- int done; -- struct tag_mem_range **a, **b; -- -- if (!*pmem) -- return; -- -- do { -- done = 1; -- a = pmem, b = &(*pmem)->next; -- while (*b) { -- if ((*a)->addr > (*b)->addr) { -- struct tag_mem_range *tmp; -- tmp = (*b)->next; -- (*b)->next = *a; -- *a = *b; -- *b = tmp; -- done = 0; -- } -- a = &(*a)->next; -- b = &(*a)->next; -- } -- } while (!done); --} -- --/* -- * Find a free memory region large enough for storing the -- * bootmem bitmap. -- */ --static unsigned long __init --find_bootmap_pfn(const struct tag_mem_range *mem) --{ -- unsigned long bootmap_pages, bootmap_len; -- unsigned long node_pages = PFN_UP(mem->size); -- unsigned long bootmap_addr = mem->addr; -- struct tag_mem_range *reserved = mem_reserved; -- struct tag_mem_range *ramdisk = mem_ramdisk; -- unsigned long kern_start = virt_to_phys(_stext); -- unsigned long kern_end = virt_to_phys(_end); -- -- bootmap_pages = bootmem_bootmap_pages(node_pages); -- bootmap_len = bootmap_pages << PAGE_SHIFT; -- -- /* -- * Find a large enough region without reserved pages for -- * storing the bootmem bitmap. We can take advantage of the -- * fact that all lists have been sorted. -- * -- * We have to check explicitly reserved regions as well as the -- * kernel image and any RAMDISK images... -- * -- * Oh, and we have to make sure we don't overwrite the taglist -- * since we're going to use it until the bootmem allocator is -- * fully up and running. -- */ -- while (1) { -- if ((bootmap_addr < kern_end) && -- ((bootmap_addr + bootmap_len) > kern_start)) -- bootmap_addr = kern_end; -- -- while (reserved && -- (bootmap_addr >= (reserved->addr + reserved->size))) -- reserved = reserved->next; -- -- if (reserved && -- ((bootmap_addr + bootmap_len) >= reserved->addr)) { -- bootmap_addr = reserved->addr + reserved->size; -- continue; -- } -- -- while (ramdisk && -- (bootmap_addr >= (ramdisk->addr + ramdisk->size))) -- ramdisk = ramdisk->next; -- -- if (!ramdisk || -- ((bootmap_addr + bootmap_len) < ramdisk->addr)) -- break; -- -- bootmap_addr = ramdisk->addr + ramdisk->size; -- } -- -- if ((PFN_UP(bootmap_addr) + bootmap_len) >= (mem->addr + mem->size)) -- return ~0UL; -- -- return PFN_UP(bootmap_addr); --} -- --void __init setup_bootmem(void) --{ -- unsigned bootmap_size; -- unsigned long first_pfn, bootmap_pfn, pages; -- unsigned long max_pfn, max_low_pfn; -- unsigned long kern_start = virt_to_phys(_stext); -- unsigned long kern_end = virt_to_phys(_end); -- unsigned node = 0; -- struct tag_mem_range *bank, *res; -- -- sort_mem_list(&mem_phys); -- sort_mem_list(&mem_reserved); -- -- print_memory_map("Physical memory", mem_phys); -- print_memory_map("Reserved memory", mem_reserved); -- -- nodes_clear(node_online_map); -- -- if (mem_ramdisk) { --#ifdef CONFIG_BLK_DEV_INITRD -- initrd_start = (unsigned long)__va(mem_ramdisk->addr); -- initrd_end = initrd_start + mem_ramdisk->size; -- -- print_memory_map("RAMDISK images", mem_ramdisk); -- if (mem_ramdisk->next) -- printk(KERN_WARNING -- "Warning: Only the first RAMDISK image " -- "will be used\n"); -- sort_mem_list(&mem_ramdisk); --#else -- printk(KERN_WARNING "RAM disk image present, but " -- "no initrd support in kernel!\n"); --#endif -- } -- -- if (mem_phys->next) -- printk(KERN_WARNING "Only using first memory bank\n"); -- -- for (bank = mem_phys; bank; bank = NULL) { -- first_pfn = PFN_UP(bank->addr); -- max_low_pfn = max_pfn = PFN_DOWN(bank->addr + bank->size); -- bootmap_pfn = find_bootmap_pfn(bank); -- if (bootmap_pfn > max_pfn) -- panic("No space for bootmem bitmap!\n"); -- -- if (max_low_pfn > MAX_LOWMEM_PFN) { -- max_low_pfn = MAX_LOWMEM_PFN; --#ifndef CONFIG_HIGHMEM -- /* -- * Lowmem is memory that can be addressed -- * directly through P1/P2 -- */ -- printk(KERN_WARNING -- "Node %u: Only %ld MiB of memory will be used.\n", -- node, MAX_LOWMEM >> 20); -- printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n"); --#else --#error HIGHMEM is not supported by AVR32 yet --#endif -- } -- -- /* Initialize the boot-time allocator with low memory only. */ -- bootmap_size = init_bootmem_node(NODE_DATA(node), bootmap_pfn, -- first_pfn, max_low_pfn); -- -- printk("Node %u: bdata = %p, bdata->node_bootmem_map = %p\n", -- node, NODE_DATA(node)->bdata, -- NODE_DATA(node)->bdata->node_bootmem_map); -- -- /* -- * Register fully available RAM pages with the bootmem -- * allocator. -- */ -- pages = max_low_pfn - first_pfn; -- free_bootmem_node (NODE_DATA(node), PFN_PHYS(first_pfn), -- PFN_PHYS(pages)); -- -- /* -- * Reserve space for the kernel image (if present in -- * this node)... -- */ -- if ((kern_start >= PFN_PHYS(first_pfn)) && -- (kern_start < PFN_PHYS(max_pfn))) { -- printk("Node %u: Kernel image %08lx - %08lx\n", -- node, kern_start, kern_end); -- reserve_bootmem_node(NODE_DATA(node), kern_start, -- kern_end - kern_start); -- } -- -- /* ...the bootmem bitmap... */ -- reserve_bootmem_node(NODE_DATA(node), -- PFN_PHYS(bootmap_pfn), -- bootmap_size); -- -- /* ...any RAMDISK images... */ -- for (res = mem_ramdisk; res; res = res->next) { -- if (res->addr > PFN_PHYS(max_pfn)) -- break; -- -- if (res->addr >= PFN_PHYS(first_pfn)) { -- printk("Node %u: RAMDISK %08lx - %08lx\n", -- node, -- (unsigned long)res->addr, -- (unsigned long)(res->addr + res->size)); -- reserve_bootmem_node(NODE_DATA(node), -- res->addr, res->size); -- } -- } -- -- /* ...and any other reserved regions. */ -- for (res = mem_reserved; res; res = res->next) { -- if (res->addr > PFN_PHYS(max_pfn)) -- break; -- -- if (res->addr >= PFN_PHYS(first_pfn)) { -- printk("Node %u: Reserved %08lx - %08lx\n", -- node, -- (unsigned long)res->addr, -- (unsigned long)(res->addr + res->size)); -- reserve_bootmem_node(NODE_DATA(node), -- res->addr, res->size); -- } -- } -- -- node_set_online(node); -- } --} -- - /* - * paging_init() sets up the page tables - * -diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig -index e812aa1..84d9847 100644 ---- a/drivers/char/watchdog/Kconfig -+++ b/drivers/char/watchdog/Kconfig -@@ -183,6 +183,26 @@ config PNX4008_WATCHDOG - - Say N if you are unsure. - -+# AVR32 Architecture -+ -+config AT32AP700X_WDT -+ tristate "AT32AP700x watchdog" -+ depends on WATCHDOG && CPU_AT32AP7000 -+ help -+ Watchdog timer embedded into AT32AP700x devices. This will reboot -+ your system when the timeout is reached. -+ -+config AT32AP700X_WDT_TIMEOUT -+ int "Timeout value for AT32AP700x watchdog" -+ depends on AT32AP700X_WDT -+ default "2" -+ range 1 2 -+ help -+ Sets the timeout value for the watchdog in AT32AP700x devices. -+ Limited by hardware to be 1 or 2 seconds. -+ -+ Set to 2 seconds by default. -+ - # X86 (i386 + ia64 + x86_64) Architecture - - config ACQUIRE_WDT -diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile -index 2cd8ff8..8b2a530 100644 ---- a/drivers/char/watchdog/Makefile -+++ b/drivers/char/watchdog/Makefile -@@ -35,6 +35,9 @@ obj-$(CONFIG_MPCORE_WATCHDOG) += mpcore_wdt.o - obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o - obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o - -+# AVR32 Architecture -+obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o -+ - # X86 (i386 + ia64 + x86_64) Architecture - obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o - obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o -diff --git a/drivers/char/watchdog/at32ap700x_wdt.c b/drivers/char/watchdog/at32ap700x_wdt.c -new file mode 100644 -index 0000000..789456d ---- /dev/null -+++ b/drivers/char/watchdog/at32ap700x_wdt.c -@@ -0,0 +1,312 @@ -+/* -+ * Watchdog driver for Atmel AT32AP700X devices -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/init.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/miscdevice.h> -+#include <linux/fs.h> -+#include <linux/platform_device.h> -+#include <linux/watchdog.h> -+ -+#include <asm/uaccess.h> -+#include <asm/io.h> -+ -+#define TIMEOUT_MIN 1 -+#define TIMEOUT_DEFAULT CONFIG_AT32AP700X_WDT_TIMEOUT -+#define TIMEOUT_MAX 2 -+ -+/* Watchdog registers and write/read macro */ -+#define WDT_CTRL 0x00 -+#define WDT_CTRL_EN 0 -+#define WDT_CTRL_PSEL 8 -+#define WDT_CTRL_KEY 24 -+ -+#define WDT_CLR 0x04 -+ -+#define WDT_BIT(name) (1 << WDT_##name) -+#define WDT_BF(name,value) ((value) << WDT_##name) -+ -+#define wdt_readl(dev,reg) \ -+ __raw_readl((dev)->regs + WDT_##reg) -+#define wdt_writel(dev,reg,value) \ -+ __raw_writel((value), (dev)->regs + WDT_##reg) -+ -+struct wdt_at32ap700x { -+ void __iomem *regs; -+ int timeout; -+ int users; -+}; -+ -+static struct wdt_at32ap700x *wdt; -+ -+/* -+ * Disable the watchdog. -+ */ -+static void inline at32_wdt_stop(void) -+{ -+ unsigned long psel = wdt_readl(wdt, CTRL) & WDT_BF(CTRL_PSEL, 0x0f); -+ wdt_writel(wdt, CTRL, psel | WDT_BF(CTRL_KEY, 0x55)); -+ wdt_writel(wdt, CTRL, psel | WDT_BF(CTRL_KEY, 0xaa)); -+} -+ -+/* -+ * Enable and reset the watchdog. -+ */ -+static void inline at32_wdt_start(void) -+{ -+ /* 0xf is 2^16 divider = 2 sec, 0xe is 2^15 divider = 1 sec */ -+ unsigned long psel = (wdt->timeout > 1) ? 0xf : 0xe; -+ -+ wdt_writel(wdt, CTRL, WDT_BIT(CTRL_EN) -+ | WDT_BF(CTRL_PSEL, psel) -+ | WDT_BF(CTRL_KEY, 0x55)); -+ wdt_writel(wdt, CTRL, WDT_BIT(CTRL_EN) -+ | WDT_BF(CTRL_PSEL, psel) -+ | WDT_BF(CTRL_KEY, 0xaa)); -+} -+ -+/* -+ * Pat the watchdog timer. -+ */ -+static void inline at32_wdt_pat(void) -+{ -+ wdt_writel(wdt, CLR, 0x42); -+} -+ -+/* -+ * Watchdog device is opened, and watchdog starts running. -+ */ -+static int at32_wdt_open(struct inode *inode, struct file *file) -+{ -+ if (test_and_set_bit(1, &wdt->users)) -+ return -EBUSY; -+ -+ at32_wdt_start(); -+ return nonseekable_open(inode, file); -+} -+ -+/* -+ * Close the watchdog device. If CONFIG_WATCHDOG_NOWAYOUT is _not_ defined then -+ * the watchdog is also disabled. -+ */ -+static int at32_wdt_close(struct inode *inode, struct file *file) -+{ -+#ifndef CONFIG_WATCHDOG_NOWAYOUT -+ at32_wdt_stop(); -+#endif -+ clear_bit(1, &wdt->users); -+ return 0; -+} -+ -+/* -+ * Change the watchdog time interval. -+ */ -+static int at32_wdt_settimeout(int time) -+{ -+ /* -+ * All counting occurs at 1 / SLOW_CLOCK (32 kHz) and max prescaler is -+ * 2 ^ 16 allowing up to 2 seconds timeout. -+ */ -+ if ((time < TIMEOUT_MIN) || (time > TIMEOUT_MAX)) -+ return -EINVAL; -+ -+ /* Set new watchdog time. It will be used when at32_wdt_start() is called. */ -+ wdt->timeout = time; -+ return 0; -+} -+ -+static struct watchdog_info at32_wdt_info = { -+ .identity = "at32ap700x watchdog", -+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, -+}; -+ -+/* -+ * Handle commands from user-space. -+ */ -+static int at32_wdt_ioctl(struct inode *inode, struct file *file, -+ unsigned int cmd, unsigned long arg) -+{ -+ int ret = -ENOTTY; -+ int time; -+ void __user *argp = (void __user *)arg; -+ int __user *p = argp; -+ -+ switch(cmd) { -+ case WDIOC_KEEPALIVE: -+ at32_wdt_pat(); -+ ret = 0; -+ break; -+ case WDIOC_GETSUPPORT: -+ ret = copy_to_user(argp, &at32_wdt_info, -+ sizeof(at32_wdt_info)) ? -EFAULT : 0; -+ break; -+ case WDIOC_SETTIMEOUT: -+ ret = get_user(time, p); -+ if (ret) -+ break; -+ ret = at32_wdt_settimeout(time); -+ if (ret) -+ break; -+ /* Enable new time value */ -+ at32_wdt_start(); -+ /* fall through */ -+ case WDIOC_GETTIMEOUT: -+ ret = put_user(wdt->timeout, p); -+ break; -+ case WDIOC_GETSTATUS: /* fall through */ -+ case WDIOC_GETBOOTSTATUS: -+ ret = put_user(0, p); -+ break; -+ case WDIOC_SETOPTIONS: -+ ret = get_user(time, p); -+ if (ret) -+ break; -+ if (time & WDIOS_DISABLECARD) -+ at32_wdt_stop(); -+ if (time & WDIOS_ENABLECARD) -+ at32_wdt_start(); -+ ret = 0; -+ break; -+ } -+ -+ return ret; -+} -+ -+static ssize_t at32_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos) -+{ -+ at32_wdt_pat(); -+ return len; -+} -+ -+static const struct file_operations at32_wdt_fops = { -+ .owner = THIS_MODULE, -+ .llseek = no_llseek, -+ .ioctl = at32_wdt_ioctl, -+ .open = at32_wdt_open, -+ .release = at32_wdt_close, -+ .write = at32_wdt_write, -+}; -+ -+static struct miscdevice at32_wdt_miscdev = { -+ .minor = WATCHDOG_MINOR, -+ .name = "watchdog", -+ .fops = &at32_wdt_fops, -+}; -+ -+static int __init at32_wdt_probe(struct platform_device *pdev) -+{ -+ struct resource *regs; -+ int ret; -+ -+ wdt = kmalloc(sizeof(struct wdt_at32ap700x), GFP_KERNEL); -+ if (!wdt) { -+ ret = -ENOMEM; -+ goto out; -+ } -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) { -+ pr_debug(KERN_ERR "wdt: no mmio resource defined for WDT\n"); -+ ret = -ENXIO; -+ goto out; -+ } -+ -+ wdt->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ wdt->users = 0; -+ -+ if (at32_wdt_settimeout(TIMEOUT_DEFAULT)) { -+ at32_wdt_settimeout(TIMEOUT_MAX); -+ pr_info("at32_wdt: timeout invalid, set to %d sec.\n", -+ TIMEOUT_MAX); -+ } -+ -+ if (at32_wdt_miscdev.parent) -+ return -EBUSY; -+ at32_wdt_miscdev.parent = &pdev->dev; -+ -+ ret = misc_register(&at32_wdt_miscdev); -+ if (ret) -+ return ret; -+ -+ printk(KERN_INFO "Atmel WDT for AT32AP700X at %08lx\n", -+ (unsigned long)wdt->regs); -+ return 0; -+ -+out: -+ if (wdt) -+ kfree(wdt); -+ return ret; -+} -+ -+static int __exit at32_wdt_remove(struct platform_device *pdev) -+{ -+ int ret; -+ -+ ret = misc_deregister(&at32_wdt_miscdev); -+ if (!ret) -+ at32_wdt_miscdev.parent = NULL; -+ -+ if (wdt) -+ kfree(wdt); -+ -+ return ret; -+} -+ -+static void at32_wdt_shutdown(struct platform_device *pdev) -+{ -+ at32_wdt_stop(); -+} -+ -+#ifdef CONFIG_PM -+static int at32_wdt_suspend(struct platform_device *pdev, pm_message_t message) -+{ -+ at32_wdt_stop(); -+ return 0; -+} -+ -+static int at32_wdt_resume(struct platform_device *pdev) -+{ -+ if (wdt->users) -+ at32_wdt_start(); -+ return 0; -+} -+#endif -+ -+static struct platform_driver at32_wdt_driver = { -+ .remove = __exit_p(at32_wdt_remove), -+#ifdef CONFIG_PM -+ .suspend = at32_wdt_suspend, -+ .resume = at32_wdt_resume, -+#endif -+ .driver = { -+ .name = "wdt", -+ .owner = THIS_MODULE, -+ }, -+ .shutdown = at32_wdt_shutdown, -+}; -+ -+static int __init at32_wdt_init(void) -+{ -+ return platform_driver_probe(&at32_wdt_driver, at32_wdt_probe); -+} -+module_init(at32_wdt_init); -+ -+static void __exit at32_wdt_exit(void) -+{ -+ platform_driver_unregister(&at32_wdt_driver); -+} -+module_exit(at32_wdt_exit); -+ -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -+MODULE_DESCRIPTION("Watchdog driver for Atmel AT32AP700X"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); -diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig -index ece31d2..a77c24b 100644 ---- a/drivers/i2c/busses/Kconfig -+++ b/drivers/i2c/busses/Kconfig -@@ -5,6 +5,26 @@ - menu "I2C Hardware Bus support" - depends on I2C - -+config I2C_ATMELTWI -+ tristate "Atmel TWI/I2C" -+ depends on I2C -+ help -+ Atmel on-chip TWI controller. Say Y if you have an AT32 or -+ AT91-based device and want to use its built-in TWI -+ functionality. Atmel's TWI is compatible with Philips' I2C -+ protocol. If in doubt, say NO -+ -+config I2C_ATMELTWI_BAUDRATE -+ prompt "Atmel TWI baudrate" -+ depends on I2C_ATMELTWI -+ int -+ default 100000 -+ help -+ Set the TWI/I2C baudrate. This will alter the default value. A -+ different baudrate can be set by using a module parameter as well. If -+ no parameter is provided when loading, this is the value that will be -+ used. -+ - config I2C_ALI1535 - tristate "ALI 1535" - depends on I2C && PCI -@@ -102,6 +122,14 @@ config I2C_ELEKTOR - This support is also available as a module. If so, the module - will be called i2c-elektor. - -+config I2C_GPIO -+ tristate "GPIO-based bitbanging I2C" -+ depends on GENERIC_GPIO -+ select I2C_ALGOBIT -+ help -+ This is a very simple bitbanging I2C driver utilizing the -+ arch-neutral GPIO API to control the SCL and SDA lines. -+ - config I2C_HYDRA - tristate "CHRP Apple Hydra Mac I/O I2C interface" - depends on I2C && PCI && PPC_CHRP && EXPERIMENTAL -diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile -index 290b540..604fe49 100644 ---- a/drivers/i2c/busses/Makefile -+++ b/drivers/i2c/busses/Makefile -@@ -11,6 +11,7 @@ obj-$(CONFIG_I2C_AMD8111) += i2c-amd8111.o - obj-$(CONFIG_I2C_AT91) += i2c-at91.o - obj-$(CONFIG_I2C_AU1550) += i2c-au1550.o - obj-$(CONFIG_I2C_ELEKTOR) += i2c-elektor.o -+obj-$(CONFIG_I2C_GPIO) += i2c-gpio.o - obj-$(CONFIG_I2C_HYDRA) += i2c-hydra.o - obj-$(CONFIG_I2C_I801) += i2c-i801.o - obj-$(CONFIG_I2C_I810) += i2c-i810.o -@@ -48,6 +49,7 @@ obj-$(CONFIG_I2C_VIAPRO) += i2c-viapro.o - obj-$(CONFIG_I2C_VOODOO3) += i2c-voodoo3.o - obj-$(CONFIG_SCx200_ACB) += scx200_acb.o - obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o -+obj-$(CONFIG_I2C_ATMELTWI) += i2c-atmeltwi.o - - ifeq ($(CONFIG_I2C_DEBUG_BUS),y) - EXTRA_CFLAGS += -DDEBUG -diff --git a/drivers/i2c/busses/atmeltwi.h b/drivers/i2c/busses/atmeltwi.h -new file mode 100644 -index 0000000..8502ea6 ---- /dev/null -+++ b/drivers/i2c/busses/atmeltwi.h -@@ -0,0 +1,117 @@ -+/* -+ * Register definitions for the Atmel Two-Wire Interface -+ */ -+ -+#ifndef __ASM_AVR32_TWI_H__ -+#define __ASM_AVR32_TWI_H__ -+ -+/* TWI register offsets */ -+#define TWI_CR 0x0000 -+#define TWI_MMR 0x0004 -+#define TWI_SMR 0x0008 -+#define TWI_IADR 0x000c -+#define TWI_CWGR 0x0010 -+#define TWI_SR 0x0020 -+#define TWI_IER 0x0024 -+#define TWI_IDR 0x0028 -+#define TWI_IMR 0x002c -+#define TWI_RHR 0x0030 -+#define TWI_THR 0x0034 -+ -+/* Bitfields in CR */ -+#define TWI_START_OFFSET 0 -+#define TWI_START_SIZE 1 -+#define TWI_STOP_OFFSET 1 -+#define TWI_STOP_SIZE 1 -+#define TWI_MSEN_OFFSET 2 -+#define TWI_MSEN_SIZE 1 -+#define TWI_MSDIS_OFFSET 3 -+#define TWI_MSDIS_SIZE 1 -+#define TWI_SVEN_OFFSET 4 -+#define TWI_SVEN_SIZE 1 -+#define TWI_SVDIS_OFFSET 5 -+#define TWI_SVDIS_SIZE 1 -+#define TWI_SWRST_OFFSET 7 -+#define TWI_SWRST_SIZE 1 -+ -+/* Bitfields in MMR */ -+#define TWI_IADRSZ_OFFSET 8 -+#define TWI_IADRSZ_SIZE 2 -+#define TWI_MREAD_OFFSET 12 -+#define TWI_MREAD_SIZE 1 -+#define TWI_DADR_OFFSET 16 -+#define TWI_DADR_SIZE 7 -+ -+/* Bitfields in SMR */ -+#define TWI_SADR_OFFSET 16 -+#define TWI_SADR_SIZE 7 -+ -+/* Bitfields in IADR */ -+#define TWI_IADR_OFFSET 0 -+#define TWI_IADR_SIZE 24 -+ -+/* Bitfields in CWGR */ -+#define TWI_CLDIV_OFFSET 0 -+#define TWI_CLDIV_SIZE 8 -+#define TWI_CHDIV_OFFSET 8 -+#define TWI_CHDIV_SIZE 8 -+#define TWI_CKDIV_OFFSET 16 -+#define TWI_CKDIV_SIZE 3 -+ -+/* Bitfields in SR */ -+#define TWI_TXCOMP_OFFSET 0 -+#define TWI_TXCOMP_SIZE 1 -+#define TWI_RXRDY_OFFSET 1 -+#define TWI_RXRDY_SIZE 1 -+#define TWI_TXRDY_OFFSET 2 -+#define TWI_TXRDY_SIZE 1 -+#define TWI_SVDIR_OFFSET 3 -+#define TWI_SVDIR_SIZE 1 -+#define TWI_SVACC_OFFSET 4 -+#define TWI_SVACC_SIZE 1 -+#define TWI_GCACC_OFFSET 5 -+#define TWI_GCACC_SIZE 1 -+#define TWI_OVRE_OFFSET 6 -+#define TWI_OVRE_SIZE 1 -+#define TWI_UNRE_OFFSET 7 -+#define TWI_UNRE_SIZE 1 -+#define TWI_NACK_OFFSET 8 -+#define TWI_NACK_SIZE 1 -+#define TWI_ARBLST_OFFSET 9 -+#define TWI_ARBLST_SIZE 1 -+ -+/* Bitfields in RHR */ -+#define TWI_RXDATA_OFFSET 0 -+#define TWI_RXDATA_SIZE 8 -+ -+/* Bitfields in THR */ -+#define TWI_TXDATA_OFFSET 0 -+#define TWI_TXDATA_SIZE 8 -+ -+/* Constants for IADRSZ */ -+#define TWI_IADRSZ_NO_ADDR 0 -+#define TWI_IADRSZ_ONE_BYTE 1 -+#define TWI_IADRSZ_TWO_BYTES 2 -+#define TWI_IADRSZ_THREE_BYTES 3 -+ -+/* Bit manipulation macros */ -+#define TWI_BIT(name) \ -+ (1 << TWI_##name##_OFFSET) -+#define TWI_BF(name,value) \ -+ (((value) & ((1 << TWI_##name##_SIZE) - 1)) \ -+ << TWI_##name##_OFFSET) -+#define TWI_BFEXT(name,value) \ -+ (((value) >> TWI_##name##_OFFSET) \ -+ & ((1 << TWI_##name##_SIZE) - 1)) -+#define TWI_BFINS(name,value,old) \ -+ (((old) & ~(((1 << TWI_##name##_SIZE) - 1) \ -+ << TWI_##name##_OFFSET)) \ -+ | TWI_BF(name,value)) -+ -+/* Register access macros */ -+#define twi_readl(port,reg) \ -+ __raw_readl((port)->regs + TWI_##reg) -+#define twi_writel(port,reg,value) \ -+ __raw_writel((value), (port)->regs + TWI_##reg) -+ -+#endif /* __ASM_AVR32_TWI_H__ */ -diff --git a/drivers/i2c/busses/i2c-atmeltwi.c b/drivers/i2c/busses/i2c-atmeltwi.c -new file mode 100644 -index 0000000..3418465 ---- /dev/null -+++ b/drivers/i2c/busses/i2c-atmeltwi.c -@@ -0,0 +1,348 @@ -+/* -+ * i2c Support for Atmel's Two-Wire Interface (TWI) -+ * -+ * Based on the work of Copyright (C) 2004 Rick Bronson -+ * Converted to 2.6 by Andrew Victor <andrew at sanpeople.com> -+ * Ported to AVR32 and heavily modified by Espen Krangnes <ekrangnes at atmel.com> -+ * -+ * Copyright (C) 2006 Atmel Corporation -+ * -+ * Borrowed heavily from the original work by: -+ * Copyright (C) 2000 Philip Edelbrock <phil at stimpy.netroedge.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ */ -+ -+ -+#include <linux/err.h> -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/slab.h> -+#include <linux/types.h> -+#include <linux/delay.h> -+#include <linux/i2c.h> -+#include <linux/init.h> -+#include <linux/clk.h> -+#include <linux/interrupt.h> -+#include <linux/irq.h> -+#include <linux/platform_device.h> -+#include <linux/completion.h> -+#include <asm/io.h> -+#include <linux/time.h> -+#include "atmeltwi.h" -+ -+static unsigned int baudrate = CONFIG_I2C_ATMELTWI_BAUDRATE; -+module_param(baudrate, uint, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); -+MODULE_PARM_DESC(baudrate, "The TWI baudrate"); -+ -+ -+struct atmel_twi { -+ void __iomem *regs; -+ struct i2c_adapter adapter; -+ struct clk *pclk; -+ spinlock_t lock; -+ struct completion comp; -+ u32 intmask; -+ u8 *buf; -+ u8 len; -+ u8 acks_left; -+ unsigned int irq; -+ -+}; -+#define to_atmel_twi(adap) container_of(adap, struct atmel_twi, adapter) -+ -+/* -+ * Initialize the TWI hardware registers. -+ */ -+static int __devinit twi_hwinit(struct atmel_twi *twi) -+{ -+ unsigned long cdiv, ckdiv=0; -+ -+ twi_writel(twi, IDR, ~0UL); -+ twi_writel(twi, CR, TWI_BIT(SWRST)); /*Reset peripheral*/ -+ twi_readl(twi, SR); -+ -+ cdiv = (clk_get_rate(twi->pclk) / (2 * baudrate)) - 4; -+ -+ while (cdiv > 255) { -+ ckdiv++; -+ cdiv = cdiv >> 1; -+ } -+ -+ if (ckdiv > 7) -+ return -EINVAL; -+ else -+ twi_writel(twi, CWGR, (TWI_BF(CKDIV, ckdiv) -+ | TWI_BF(CHDIV, cdiv) -+ | TWI_BF(CLDIV, cdiv))); -+ return 0; -+} -+ -+/* -+ * Waits for the i2c status register to set the specified bitmask -+ * Returns 0 if timed out (~100ms). -+ */ -+static short twi_wait_for_completion(struct atmel_twi *twi, -+ u32 mask) -+{ -+ int timeout = msecs_to_jiffies(100); -+ -+ twi->intmask = mask; -+ init_completion(&twi->comp); -+ -+ twi_writel(twi, IER, mask); -+ -+ if(!wait_for_completion_timeout(&twi->comp, timeout)) -+ return -ETIMEDOUT; -+ -+ return 0; -+} -+ -+/* -+ * Generic i2c master transfer entrypoint. -+ */ -+static int twi_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) -+{ -+ struct atmel_twi *twi = to_atmel_twi(adap); -+ struct i2c_msg *pmsg; -+ int i; -+ -+ /* get first message */ -+ pmsg = msgs; -+ -+ dev_dbg(&adap->dev, "twi_xfer: processing %d messages:\n", num); -+ -+ for (i = 0; i < num; i++, pmsg++) { -+ -+ twi->len = pmsg->len; -+ twi->buf = pmsg->buf; -+ twi->acks_left = pmsg->len; -+ twi_writel(twi, MMR, TWI_BF(DADR, pmsg->addr) | -+ (pmsg->flags & I2C_M_RD ? TWI_BIT(MREAD) : 0)); -+ twi_writel(twi, IADR, TWI_BF(IADR, pmsg->addr)); -+ -+ dev_dbg(&adap->dev,"#%d: internal addr %d %s byte%s %s 0x%02x\n", -+ i,pmsg->len, pmsg->flags & I2C_M_RD ? "reading" : "writing", -+ pmsg->len > 1 ? "s" : "", -+ pmsg->flags & I2C_M_RD ? "from" : "to", pmsg->addr); -+ -+ /* enable */ -+ twi_writel(twi, CR, TWI_BIT(MSEN)); -+ -+ if (pmsg->flags & I2C_M_RD) { -+ twi_writel(twi, CR, TWI_BIT(START)); -+ if ( twi_wait_for_completion(twi,TWI_BIT(RXRDY))==-ETIMEDOUT ) { -+ dev_dbg(&adap->dev, "RXRDY timeout. Stopped with %d bytes left\n", -+ twi->acks_left); -+ return -ETIMEDOUT; -+ } -+ -+ /* Send Stop, and Wait until transfer is finished */ -+ if ( twi_wait_for_completion(twi,TWI_BIT(TXCOMP))==-ETIMEDOUT ) { -+ dev_dbg(&adap->dev, "TXCOMP timeout\n"); -+ return -ETIMEDOUT; -+ } -+ -+ } else { -+ twi_writel(twi, THR, twi->buf[0]); -+ if ( twi_wait_for_completion(twi,TWI_BIT(TXRDY))==-ETIMEDOUT ) { -+ dev_dbg(&adap->dev, "TXRDY timeout. Stopped with %d bytes left\n", -+ twi->acks_left); -+ return -ETIMEDOUT; -+ } -+ } -+ -+ /* Disable TWI interface */ -+ twi_writel(twi, CR, TWI_BIT(MSDIS)); -+ -+ } /* end cur msg */ -+ -+ return i; -+} -+ -+ -+static irqreturn_t twi_interrupt(int irq, void *dev_id, struct pt_regs *regs) -+{ -+ struct atmel_twi *twi = dev_id; -+ int status = twi_readl(twi, SR); -+ -+ if (twi->intmask & status){ -+ if (twi->intmask & TWI_BIT(NACK)) { -+ goto nack; -+ } else if (twi->intmask & TWI_BIT(RXRDY)){ -+ twi->buf[twi->len - twi->acks_left] = twi_readl(twi,RHR); -+ if(--twi->acks_left==1) -+ twi_writel(twi, CR, TWI_BIT(STOP)); -+ if (twi->acks_left==0) -+ goto complete; -+ } else if (twi->intmask & TWI_BIT(TXRDY)) { -+ twi->acks_left--; -+ if (twi->acks_left==0) { -+ twi->intmask = TWI_BIT(TXCOMP); -+ twi_writel(twi, IER, TWI_BIT(TXCOMP)); -+ } else -+ twi_writel(twi, THR, twi->buf[twi->len - twi->acks_left]); -+ } else if (twi->intmask & TWI_BIT(TXCOMP)) { -+ goto complete; -+ } -+ } -+ -+ return IRQ_HANDLED; -+ -+nack: -+ printk(KERN_INFO "NACK received!\n"); -+ -+complete: -+ twi_writel(twi, IDR, ~0UL); -+ complete(&twi->comp); -+ -+ return IRQ_HANDLED; -+ -+} -+ -+ -+/* -+ * Return list of supported functionality. -+ */ -+static u32 twi_func(struct i2c_adapter *adapter) -+{ -+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; -+} -+ -+/* For now, we only handle combined mode (smbus) */ -+static struct i2c_algorithm twi_algorithm = { -+ .master_xfer = twi_xfer, -+ .functionality = twi_func, -+}; -+ -+/* -+ * Main initialization routine. -+ */ -+static int __devinit twi_probe(struct platform_device *pdev) -+{ -+ struct atmel_twi *twi; -+ struct resource *regs; -+ struct clk *pclk; -+ struct i2c_adapter *adapter; -+ int rc, irq; -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) -+ return -ENXIO; -+ -+ pclk = clk_get(&pdev->dev, "pclk"); -+ if (IS_ERR(pclk)) -+ return PTR_ERR(pclk); -+ clk_enable(pclk); -+ -+ rc = -ENOMEM; -+ twi = kzalloc(sizeof(struct atmel_twi), GFP_KERNEL); -+ if (!twi) { -+ dev_err(&pdev->dev, "can't allocate interface!\n"); -+ goto err_alloc_twi; -+ } -+ -+ twi->pclk = pclk; -+ twi->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!twi->regs) -+ goto err_ioremap; -+ -+ irq = platform_get_irq(pdev,0); -+ rc = request_irq(irq, twi_interrupt, 0, "twi", twi); -+ if (rc) { -+ dev_err(&pdev->dev, "can't bind irq!\n"); -+ goto err_irq; -+ } -+ twi->irq = irq; -+ -+ rc = twi_hwinit(twi); -+ if (rc) { -+ dev_err(&pdev->dev, "Unable to set baudrate\n"); -+ goto err_hw_init; -+ } -+ -+ adapter = &twi->adapter; -+ sprintf(adapter->name, "TWI"); -+ adapter->algo = &twi_algorithm; -+ adapter->class = I2C_CLASS_HWMON; -+ adapter->dev.parent = &pdev->dev; -+ -+ platform_set_drvdata(pdev, twi); -+ -+ rc = i2c_add_adapter(adapter); -+ if (rc) { -+ dev_err(&pdev->dev, "Adapter %s registration failed\n", -+ adapter->name); -+ goto err_register; -+ } -+ -+ dev_info(&pdev->dev, "Atmel TWI i2c bus device (baudrate %dk) at 0x%08lx.\n", -+ baudrate/1000, (unsigned long)regs->start); -+ -+ return 0; -+ -+ -+err_register: -+ platform_set_drvdata(pdev, NULL); -+ -+err_hw_init: -+ free_irq(irq, twi); -+ -+err_irq: -+ iounmap(twi->regs); -+ -+err_ioremap: -+ kfree(twi); -+ -+err_alloc_twi: -+ clk_disable(pclk); -+ clk_put(pclk); -+ -+ return rc; -+} -+ -+static int __devexit twi_remove(struct platform_device *pdev) -+{ -+ struct atmel_twi *twi = platform_get_drvdata(pdev); -+ int res; -+ -+ platform_set_drvdata(pdev, NULL); -+ res = i2c_del_adapter(&twi->adapter); -+ twi_writel(twi, CR, TWI_BIT(MSDIS)); -+ iounmap(twi->regs); -+ clk_disable(twi->pclk); -+ clk_put(twi->pclk); -+ free_irq(twi->irq, twi); -+ kfree(twi); -+ -+ return res; -+} -+ -+static struct platform_driver twi_driver = { -+ .probe = twi_probe, -+ .remove = __devexit_p(twi_remove), -+ .driver = { -+ .name = "atmel_twi", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init atmel_twi_init(void) -+{ -+ return platform_driver_register(&twi_driver); -+} -+ -+static void __exit atmel_twi_exit(void) -+{ -+ platform_driver_unregister(&twi_driver); -+} -+ -+module_init(atmel_twi_init); -+module_exit(atmel_twi_exit); -+ -+MODULE_AUTHOR("Espen Krangnes"); -+MODULE_DESCRIPTION("I2C driver for Atmel TWI"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c -new file mode 100644 -index 0000000..a7dd546 ---- /dev/null -+++ b/drivers/i2c/busses/i2c-gpio.c -@@ -0,0 +1,215 @@ -+/* -+ * Bitbanging I2C bus driver using the GPIO API -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/i2c.h> -+#include <linux/i2c-algo-bit.h> -+#include <linux/i2c-gpio.h> -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+ -+#include <asm/gpio.h> -+ -+/* Toggle SDA by changing the direction of the pin */ -+static void i2c_gpio_setsda_dir(void *data, int state) -+{ -+ struct i2c_gpio_platform_data *pdata = data; -+ -+ if (state) -+ gpio_direction_input(pdata->sda_pin); -+ else -+ gpio_direction_output(pdata->sda_pin, 0); -+} -+ -+/* -+ * Toggle SDA by changing the output value of the pin. This is only -+ * valid for pins configured as open drain (i.e. setting the value -+ * high effectively turns off the output driver.) -+ */ -+static void i2c_gpio_setsda_val(void *data, int state) -+{ -+ struct i2c_gpio_platform_data *pdata = data; -+ -+ gpio_set_value(pdata->sda_pin, state); -+} -+ -+/* Toggle SCL by changing the direction of the pin. */ -+static void i2c_gpio_setscl_dir(void *data, int state) -+{ -+ struct i2c_gpio_platform_data *pdata = data; -+ -+ if (state) -+ gpio_direction_input(pdata->scl_pin); -+ else -+ gpio_direction_output(pdata->scl_pin, 0); -+} -+ -+/* -+ * Toggle SCL by changing the output value of the pin. This is used -+ * for pins that are configured as open drain and for output-only -+ * pins. The latter case will break the i2c protocol, but it will -+ * often work in practice. -+ */ -+static void i2c_gpio_setscl_val(void *data, int state) -+{ -+ struct i2c_gpio_platform_data *pdata = data; -+ -+ gpio_set_value(pdata->scl_pin, state); -+} -+ -+int i2c_gpio_getsda(void *data) -+{ -+ struct i2c_gpio_platform_data *pdata = data; -+ -+ return gpio_get_value(pdata->sda_pin); -+} -+ -+int i2c_gpio_getscl(void *data) -+{ -+ struct i2c_gpio_platform_data *pdata = data; -+ -+ return gpio_get_value(pdata->scl_pin); -+} -+ -+static int __init i2c_gpio_probe(struct platform_device *pdev) -+{ -+ struct i2c_gpio_platform_data *pdata; -+ struct i2c_algo_bit_data *bit_data; -+ struct i2c_adapter *adap; -+ int ret; -+ -+ pdata = pdev->dev.platform_data; -+ if (!pdata) -+ return -ENXIO; -+ -+ ret = -ENOMEM; -+ adap = kzalloc(sizeof(struct i2c_adapter), GFP_KERNEL); -+ if (!adap) -+ goto err_alloc_adap; -+ bit_data = kzalloc(sizeof(struct i2c_algo_bit_data), GFP_KERNEL); -+ if (!bit_data) -+ goto err_alloc_bit_data; -+ -+ ret = gpio_request(pdata->sda_pin, "sda"); -+ if (ret) -+ goto err_request_sda; -+ ret = gpio_request(pdata->scl_pin, "scl"); -+ if (ret) -+ goto err_request_scl; -+ -+ if (pdata->sda_is_open_drain) { -+ gpio_direction_output(pdata->sda_pin, 1); -+ bit_data->setsda = i2c_gpio_setsda_val; -+ } else { -+ gpio_direction_input(pdata->sda_pin); -+ bit_data->setsda = i2c_gpio_setsda_dir; -+ } -+ -+ if (pdata->scl_is_open_drain || pdata->scl_is_output_only) { -+ gpio_direction_output(pdata->scl_pin, 1); -+ bit_data->setscl = i2c_gpio_setscl_val; -+ } else { -+ gpio_direction_input(pdata->scl_pin); -+ bit_data->setscl = i2c_gpio_setscl_dir; -+ } -+ -+ if (!pdata->scl_is_output_only) -+ bit_data->getscl = i2c_gpio_getscl; -+ bit_data->getsda = i2c_gpio_getsda; -+ -+ if (pdata->udelay) -+ bit_data->udelay = pdata->udelay; -+ else if (pdata->scl_is_output_only) -+ bit_data->udelay = 50; /* 10 kHz */ -+ else -+ bit_data->udelay = 5; /* 100 kHz */ -+ -+ if (pdata->timeout) -+ bit_data->timeout = pdata->timeout; -+ else -+ bit_data->timeout = HZ / 10; /* 100 ms */ -+ -+ bit_data->data = pdata; -+ -+ adap->owner = THIS_MODULE; -+ snprintf(adap->name, sizeof(adap->name), "i2c-gpio%d", pdev->id); -+ adap->algo_data = bit_data; -+ adap->dev.parent = &pdev->dev; -+ -+ ret = i2c_bit_add_bus(adap); -+ if (ret) -+ goto err_add_bus; -+ -+ platform_set_drvdata(pdev, adap); -+ -+ dev_info(&pdev->dev, "using pins %u (SDA) and %u (SCL%s)\n", -+ pdata->sda_pin, pdata->scl_pin, -+ pdata->scl_is_output_only -+ ? ", no clock stretching" : ""); -+ -+ return 0; -+ -+err_add_bus: -+ gpio_free(pdata->scl_pin); -+err_request_scl: -+ gpio_free(pdata->sda_pin); -+err_request_sda: -+ kfree(bit_data); -+err_alloc_bit_data: -+ kfree(adap); -+err_alloc_adap: -+ return ret; -+} -+ -+static int __exit i2c_gpio_remove(struct platform_device *pdev) -+{ -+ struct i2c_gpio_platform_data *pdata; -+ struct i2c_adapter *adap; -+ -+ adap = platform_get_drvdata(pdev); -+ pdata = pdev->dev.platform_data; -+ -+ i2c_del_adapter(adap); -+ gpio_free(pdata->scl_pin); -+ gpio_free(pdata->sda_pin); -+ kfree(adap->algo_data); -+ kfree(adap); -+ -+ return 0; -+} -+ -+static struct platform_driver i2c_gpio_driver = { -+ .driver = { -+ .name = "i2c-gpio", -+ .owner = THIS_MODULE, -+ }, -+ .remove = __exit_p(i2c_gpio_remove), -+}; -+ -+static int __init i2c_gpio_init(void) -+{ -+ int ret; -+ -+ ret = platform_driver_probe(&i2c_gpio_driver, i2c_gpio_probe); -+ if (ret) -+ printk(KERN_ERR "i2c-gpio: probe failed: %d\n", ret); -+ -+ return ret; -+} -+module_init(i2c_gpio_init); -+ -+static void __exit i2c_gpio_exit(void) -+{ -+ platform_driver_unregister(&i2c_gpio_driver); -+} -+module_exit(i2c_gpio_exit); -+ -+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); -+MODULE_DESCRIPTION("Platform-independent bitbanging I2C driver"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig -index 35d998c..a3c7057 100644 ---- a/drivers/input/mouse/Kconfig -+++ b/drivers/input/mouse/Kconfig -@@ -125,4 +125,19 @@ config MOUSE_HIL - help - Say Y here to support HIL pointers. - -+config MOUSE_GPIO -+ tristate "GPIO mouse" -+ depends on GENERIC_GPIO -+ help -+ This driver simulates a mouse on GPIO lines of various CPUs (and some -+ other chips). -+ -+ Say Y here if your device has buttons or a simple joystick connected -+ directly to GPIO lines. Your board-specific setup logic must also -+ provide a platform device and platform data saying which GPIOs are -+ used. -+ -+ To compile this driver as a module, choose M here: the -+ module will be called gpio_mouse. -+ - endif -diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile -index 21a1de6..5d0fc43 100644 ---- a/drivers/input/mouse/Makefile -+++ b/drivers/input/mouse/Makefile -@@ -13,5 +13,6 @@ obj-$(CONFIG_MOUSE_PS2) += psmouse.o - obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o - obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o - obj-$(CONFIG_MOUSE_VSXXXAA) += vsxxxaa.o -+obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o - - psmouse-objs := psmouse-base.o alps.o logips2pp.o synaptics.o lifebook.o trackpoint.o -diff --git a/drivers/input/mouse/gpio_mouse.c b/drivers/input/mouse/gpio_mouse.c -new file mode 100644 -index 0000000..b7c438e ---- /dev/null -+++ b/drivers/input/mouse/gpio_mouse.c -@@ -0,0 +1,305 @@ -+/* -+ * Driver for simulating a mouse on GPIO lines. -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/init.h> -+#include <linux/version.h> -+#include <linux/module.h> -+#include <linux/timer.h> -+#include <linux/jiffies.h> -+#include <linux/platform_device.h> -+#include <linux/input.h> -+#include <linux/gpio_mouse.h> -+ -+#include <asm/gpio.h> -+ -+struct gpio_mouse { -+ struct input_dev *input; -+ struct gpio_mouse_platform_data *gpio; -+ struct timer_list timer; -+}; -+ -+/* -+ * Timer function which is run every scan_ms ms when the device is opened. The -+ * dev input varaible is set to the the input_dev pointer. -+ */ -+static void gpio_mouse_scan(unsigned long _dev) -+{ -+ struct input_dev *input = (struct input_dev *)_dev; -+ struct gpio_mouse *gmouse = input->private; -+ struct gpio_mouse_platform_data *gpio = gmouse->gpio; -+ int x, y; -+ -+ if (gpio->bleft >= 0) -+ input_report_key(input, BTN_LEFT, -+ gpio_get_value(gpio->bleft) ^ gpio->polarity); -+ if (gpio->bmiddle >= 0) -+ input_report_key(input, BTN_MIDDLE, -+ gpio_get_value(gpio->bmiddle) ^ gpio->polarity); -+ if (gpio->bright >= 0) -+ input_report_key(input, BTN_RIGHT, -+ gpio_get_value(gpio->bright) ^ gpio->polarity); -+ -+ x = (gpio_get_value(gpio->right) ^ gpio->polarity) -+ - (gpio_get_value(gpio->left) ^ gpio->polarity); -+ y = (gpio_get_value(gpio->down) ^ gpio->polarity) -+ - (gpio_get_value(gpio->up) ^ gpio->polarity); -+ -+ input_report_rel(input, REL_X, x); -+ input_report_rel(input, REL_Y, y); -+ input_sync(input); -+ -+ mod_timer(&gmouse->timer, jiffies + msecs_to_jiffies(gpio->scan_ms)); -+} -+ -+/* Only start the timer when the device is actually in use, i.e. opened. */ -+static int gpio_mouse_open(struct input_dev *input) -+{ -+ struct gpio_mouse *gmouse = input->private; -+ struct gpio_mouse_platform_data *gpio = gmouse->gpio; -+ gmouse->timer.expires = jiffies + msecs_to_jiffies(gpio->scan_ms); -+ gmouse->timer.data = (unsigned long)input; -+ add_timer(&gmouse->timer); -+ return 0; -+} -+ -+static void gpio_mouse_close(struct input_dev *input) -+{ -+ struct gpio_mouse *gmouse = input->private; -+ del_timer_sync(&gmouse->timer); -+} -+ -+static int __init gpio_mouse_probe(struct platform_device *pdev) -+{ -+ struct gpio_mouse_platform_data *pdata = pdev->dev.platform_data; -+ struct gpio_mouse *gmouse; -+ struct input_dev *input; -+ int ret; -+ -+ if (!pdata) { -+ dev_dbg(&pdev->dev, "no platform data\n"); -+ ret = -ENXIO; -+ goto out; -+ } -+ -+ if (pdata->up < 0 || pdata->down < 0 || pdata->right < 0 -+ || pdata->left < 0) { -+ dev_dbg(&pdev->dev, "missing GPIO for directions\n"); -+ ret = -EINVAL; -+ goto out; -+ } -+ if (pdata->scan_ms < 0) { -+ dev_dbg(&pdev->dev, "invalid scan time\n"); -+ ret = -EINVAL; -+ goto out; -+ } -+ -+ gmouse = kzalloc(sizeof(struct gpio_mouse), GFP_KERNEL); -+ if (!gmouse) { -+ dev_dbg(&pdev->dev, "not enought memory for gpio_mouse\n"); -+ ret = -ENOMEM; -+ goto out; -+ } -+ -+ /* Mouse direction, required. */ -+ ret = gpio_request(pdata->up, "gpio_mouse_up"); -+ if (ret) { -+ dev_dbg(&pdev->dev, "fail up pin\n"); -+ goto out_gpio_up; -+ } -+ ret = gpio_request(pdata->down, "gpio_mouse_down"); -+ if (ret) { -+ dev_dbg(&pdev->dev, "fail down pin\n"); -+ goto out_gpio_down; -+ } -+ ret = gpio_request(pdata->left, "gpio_mouse_left"); -+ if (ret) { -+ dev_dbg(&pdev->dev, "fail left pin\n"); -+ goto out_gpio_left; -+ } -+ ret = gpio_request(pdata->right, "gpio_mouse_right"); -+ if (ret) { -+ dev_dbg(&pdev->dev, "fail right pin\n"); -+ goto out_gpio_right; -+ } -+ -+ gpio_direction_input(pdata->up); -+ gpio_direction_input(pdata->down); -+ gpio_direction_input(pdata->left); -+ gpio_direction_input(pdata->right); -+ -+ /* Mouse buttons, not required, but should at least have bleft. */ -+ if (pdata->bleft >= 0) { -+ ret = gpio_request(pdata->bleft, "gpio_mouse_bleft"); -+ if (ret) { -+ dev_dbg(&pdev->dev, "fail bleft pin\n"); -+ goto out_gpio_bleft; -+ } -+ gpio_direction_input(pdata->bleft); -+ } else { -+ dev_dbg(&pdev->dev, "no left button defined\n"); -+ } -+ if (pdata->bmiddle >= 0) { -+ ret = gpio_request(pdata->bmiddle, "gpio_mouse_bmiddle"); -+ if (ret) { -+ dev_dbg(&pdev->dev, "fail bmiddle pin\n"); -+ goto out_gpio_bmiddle; -+ } -+ gpio_direction_input(pdata->bmiddle); -+ } -+ if (pdata->bright >= 0) { -+ ret = gpio_request(pdata->bright, "gpio_mouse_bright"); -+ if (ret) { -+ dev_dbg(&pdev->dev, "fail bright pin\n"); -+ goto out_gpio_bright; -+ } -+ gpio_direction_input(pdata->bright); -+ } -+ -+ input = input_allocate_device(); -+ if (!input) { -+ dev_dbg(&pdev->dev, "not enough memory for input device\n"); -+ ret = -ENOMEM; -+ goto out_input_allocate; -+ } -+ -+ platform_set_drvdata(pdev, input); -+ -+ input->name = pdev->name; -+ /* TODO: change to "input->dev.parent = &pdev->dev;" in the future */ -+ input->cdev.dev = &pdev->dev; -+ input->private = gmouse; -+ -+ input->id.bustype = BUS_HOST; -+ input->id.vendor = 0; -+ input->id.product = 0; -+ input->id.version = 0; -+ -+ input->evbit[0] = BIT(EV_REL); -+ if (pdata->bleft >= 0 || pdata->bmiddle >= 0 || pdata->bright >= 0) { -+ input->evbit[0] |= BIT(EV_KEY); -+ -+ if (pdata->bleft >= 0) -+ input->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT); -+ if (pdata->bmiddle >= 0) -+ input->keybit[LONG(BTN_MOUSE)] |= BIT(BTN_MIDDLE); -+ if (pdata->bright >= 0) -+ input->keybit[LONG(BTN_MOUSE)] |= BIT(BTN_RIGHT); -+ } -+ input->relbit[0] = BIT(REL_X) | BIT(REL_Y); -+ -+ input->open = gpio_mouse_open; -+ input->close = gpio_mouse_close; -+ -+ gmouse->gpio = pdata; -+ gmouse->input = input; -+ -+ /* Init the scan timer. TODO: rewrite to use input-polldev in the future */ -+ init_timer(&gmouse->timer); -+ gmouse->timer.function = gpio_mouse_scan; -+ -+ ret = input_register_device(input); -+ if (ret) { -+ dev_dbg(&pdev->dev, "could not register input device\n"); -+ goto out_reg_dev; -+ } -+ -+ dev_dbg(&pdev->dev, "%d ms scan time, buttons: %s%s%s\n", -+ pdata->scan_ms, -+ pdata->bleft < 0 ? "" : "left ", -+ pdata->bmiddle < 0 ? "" : "middle ", -+ pdata->bright < 0 ? "" : "right"); -+ -+ return 0; -+ -+out_reg_dev: -+ input_free_device(input); -+ platform_set_drvdata(pdev, NULL); -+out_input_allocate: -+ if (pdata->bright >= 0) -+ gpio_free(pdata->bright); -+out_gpio_bright: -+ if (pdata->bmiddle >= 0) -+ gpio_free(pdata->bmiddle); -+out_gpio_bmiddle: -+ if (pdata->bleft >= 0) -+ gpio_free(pdata->bleft); -+out_gpio_bleft: -+ if (pdata->right >= 0) -+ gpio_free(pdata->right); -+out_gpio_right: -+ if (pdata->left >= 0) -+ gpio_free(pdata->left); -+out_gpio_left: -+ if (pdata->down >= 0) -+ gpio_free(pdata->down); -+out_gpio_down: -+ if (pdata->up >= 0) -+ gpio_free(pdata->up); -+out_gpio_up: -+ kfree(gmouse); -+out: -+ return ret; -+} -+ -+static int __exit gpio_mouse_remove(struct platform_device *pdev) -+{ -+ struct input_dev *input = platform_get_drvdata(pdev); -+ struct gpio_mouse_platform_data *pdata = pdev->dev.platform_data; -+ struct gpio_mouse *gmouse = input->private; -+ -+ if (input) -+ input_unregister_device(input); -+ -+ if (pdata->up >= 0) -+ gpio_free(pdata->up); -+ if (pdata->down >= 0) -+ gpio_free(pdata->down); -+ if (pdata->left >= 0) -+ gpio_free(pdata->left); -+ if (pdata->right >= 0) -+ gpio_free(pdata->right); -+ if (pdata->bleft >= 0) -+ gpio_free(pdata->bleft); -+ if (pdata->bmiddle >= 0) -+ gpio_free(pdata->bmiddle); -+ if (pdata->bright >= 0) -+ gpio_free(pdata->bright); -+ -+ if (gmouse) -+ kfree(gmouse); -+ -+ platform_set_drvdata(pdev, NULL); -+ -+ return 0; -+} -+ -+struct platform_driver gpio_mouse_device_driver = { -+ .remove = __exit_p(gpio_mouse_remove), -+ .driver = { -+ .name = "gpio_mouse", -+ } -+}; -+ -+static int __init gpio_mouse_init(void) -+{ -+ return platform_driver_probe(&gpio_mouse_device_driver, -+ gpio_mouse_probe); -+} -+module_init(gpio_mouse_init); -+ -+static void __exit gpio_mouse_exit(void) -+{ -+ platform_driver_unregister(&gpio_mouse_device_driver); -+} -+module_exit(gpio_mouse_exit); -+ -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -+MODULE_DESCRIPTION("GPIO mouse driver"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig -index 80b199f..b6fb03b 100644 ---- a/drivers/misc/Kconfig -+++ b/drivers/misc/Kconfig -@@ -122,4 +122,16 @@ config SONY_LAPTOP - - Read <file:Documentation/sony-laptop.txt> for more information. - -+config ATMEL_SSC -+ tristate "Device driver for Atmel SSC peripheral" -+ depends on AVR32 || ARCH_AT91 -+ ---help--- -+ This option enables device driver support for Atmel Syncronized -+ Serial Communication peripheral (SSC). -+ -+ The SSC peripheral supports a wide variety of serial frame based -+ communications, i.e. I2S, SPI, etc. -+ -+ If unsure, say N. -+ - endmenu -diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile -index 7793ccd..03bb556 100644 ---- a/drivers/misc/Makefile -+++ b/drivers/misc/Makefile -@@ -12,3 +12,4 @@ obj-$(CONFIG_TIFM_CORE) += tifm_core.o - obj-$(CONFIG_TIFM_7XX1) += tifm_7xx1.o - obj-$(CONFIG_SGI_IOC4) += ioc4.o - obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o -+obj-$(CONFIG_ATMEL_SSC) += atmel-ssc/ -diff --git a/drivers/misc/atmel-ssc/Makefile b/drivers/misc/atmel-ssc/Makefile -new file mode 100644 -index 0000000..8c45446 ---- /dev/null -+++ b/drivers/misc/atmel-ssc/Makefile -@@ -0,0 +1,3 @@ -+ -+obj-$(CONFIG_ATMEL_SSC) := ssc.o -+ -diff --git a/drivers/misc/atmel-ssc/ssc.c b/drivers/misc/atmel-ssc/ssc.c -new file mode 100644 -index 0000000..a13bd6f ---- /dev/null -+++ b/drivers/misc/atmel-ssc/ssc.c -@@ -0,0 +1,471 @@ -+/* -+ * Atmel SSC support -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/clk.h> -+#include <linux/ssc.h> -+#include <linux/err.h> -+#include <linux/mutex.h> -+ -+#include <asm/io.h> -+ -+#define MAX_NR_SSC_DEVICES 4 -+ -+DEFINE_MUTEX(user_mutex); -+ -+static struct ssc_device ssc_dev[MAX_NR_SSC_DEVICES]; -+ -+/* SSC API */ -+ -+struct ssc_device* ssc_request(unsigned int ssc_num) -+{ -+ struct ssc_device *ssc; -+ -+ ssc = &ssc_dev[ssc_num]; -+ if (!ssc) -+ return ERR_PTR(-ENODEV); -+ -+ /* Lock, check if we are taken and return BUSY if taken */ -+ mutex_lock(&user_mutex); -+ if (ssc->user) { -+ mutex_unlock(&user_mutex); -+ printk(KERN_ERR -+ "%s: attempted to request taken ssc%u module\n", -+ ssc->name, ssc_num); -+ return ERR_PTR(-EBUSY); -+ } -+ ssc->user++; -+ mutex_unlock(&user_mutex); -+ -+ /* turn on the module */ -+ clk_enable(ssc->clk); -+ -+ return ssc; -+} -+EXPORT_SYMBOL(ssc_request); -+ -+void ssc_free(struct ssc_device *ssc) -+{ -+ mutex_lock(&user_mutex); -+ if (ssc->user) { -+ ssc->user--; -+ /* turn off the module */ -+ clk_disable(ssc->clk); -+ } else { -+ printk(KERN_WARNING -+ "%s: attempted to free already free ssc module\n", -+ ssc->name); -+ } -+ mutex_unlock(&user_mutex); -+} -+EXPORT_SYMBOL(ssc_free); -+ -+int ssc_set_mode(struct ssc_device *ssc, struct ssc_mode *mode) -+{ -+ ssc_writel(ssc, CR, SSC_BIT(CR_SWRST)); -+ -+ if (!mode) -+ return -EINVAL; -+ if (mode->bauddiv % 2) -+ return -EINVAL; /* not power of 2 */ -+ -+ switch (mode->mode) { -+ case ATMEL_SSC_MODE_I2S_MASTER: -+ if (mode->data_length % 2) -+ return -EINVAL; /* not power of 2 */ -+ -+ ssc_writel(ssc, CMR, (mode->bauddiv / 2)); -+ -+ /* Continous clock output -+ * Starts on falling TF -+ * Delay 1 cycle (1 bit) -+ */ -+ ssc_writel(ssc, TCMR, SSC_BF(TCMR_CKO, 1) -+ | SSC_BF(TCMR_START, 4) -+ | SSC_BF(TCMR_STTDLY, 1) -+ | SSC_BF(TCMR_PERIOD, -+ (mode->data_length-1))); -+ /* Transmitt MSB first -+ * Transmit 2 words each transfer -+ * Frame starts on negative pulse -+ */ -+ ssc_writel(ssc, TFMR, -+ SSC_BF(TFMR_DATLEN, -+ (mode->data_length-1)) -+ | SSC_BIT(TFMR_MSBF) -+ | SSC_BF(TFMR_DATNB, 1) -+ | SSC_BF(TFMR_FSLEN, -+ (mode->data_length-1)) -+ | SSC_BF(TFMR_FSOS, 1)); -+ /* Use transmitter clock -+ * Invert clock -+ * Start on any edge on RF -+ * Delay 1 cycle (1 bit) -+ */ -+ ssc_writel(ssc, RCMR, SSC_BF(RCMR_CKS, 1) -+ | SSC_BIT(RCMR_CKI) -+ | SSC_BF(RCMR_START, 7) -+ | SSC_BF(RCMR_STTDLY, 1)); -+ /* Receive MSB first */ -+ ssc_writel(ssc, RFMR, -+ SSC_BF(RFMR_DATLEN, (mode->data_length-1)) -+ | SSC_BIT(RFMR_MSBF)); -+ break; -+ case ATMEL_SSC_MODE_I2S_SLAVE: -+ if (mode->data_length % 2) -+ return -EINVAL; /* not power of 2 */ -+ -+ ssc_writel(ssc, CMR, 0); -+ -+ /* Continous clock input on TK -+ * Starts on any TF edge -+ * Delay 1 cycle (1 bit) -+ */ -+ ssc_writel(ssc, TCMR, SSC_BF(TCMR_CKS, 2) -+ | SSC_BF(TCMR_START, 7) -+ | SSC_BF(TCMR_STTDLY, 1)); -+ /* Transmitt MSB first -+ * Transmit 2 words each transfer -+ * Frame starts on negative pulse -+ */ -+ ssc_writel(ssc, TFMR, -+ SSC_BF(TFMR_DATLEN, -+ (mode->data_length-1)) -+ | SSC_BIT(TFMR_MSBF) -+ | SSC_BF(TFMR_DATNB, 1) -+ | SSC_BF(TFMR_FSLEN, -+ (mode->data_length-1)) -+ | SSC_BF(TFMR_FSOS, 1)); -+ /* Continous clock input on RK -+ * Start on any RF edge -+ * Delay 1 cycle (1 bit) -+ */ -+ ssc_writel(ssc, RCMR, SSC_BF(RCMR_CKS, 2) -+ | SSC_BF(RCMR_START, 7) -+ | SSC_BF(RCMR_STTDLY, 1)); -+ /* Receive MSB first */ -+ ssc_writel(ssc, RFMR, -+ SSC_BF(RFMR_DATLEN, (mode->data_length-1)) -+ | SSC_BIT(RFMR_MSBF)); -+ break; -+ case ATMEL_SSC_MODE_SPI_MASTER: -+ if (mode->data_length < 8 || mode->data_length > 16) -+ return -EINVAL; -+ -+ ssc_writel(ssc, CMR, (mode->bauddiv / 2)); -+ -+ /* Clock during xfer -+ * Invert depending on SPI mode -+ * Continous clock gating -+ */ -+ ssc_writel(ssc, TCMR, SSC_BF(TCMR_CKO, 2) -+ | SSC_BF(TCMR_CKI, (mode->spi_mode % 2) ? 0 : 1) -+ | SSC_BF(TCMR_CKG, 1)); -+ /* Transmitt MSB first -+ * Frame starts on negative edge -+ */ -+ ssc_writel(ssc, TFMR, -+ SSC_BF(TFMR_DATLEN, (mode->data_length-1)) -+ | SSC_BIT(TFMR_MSBF) -+ | SSC_BF(TFMR_FSOS, 3)); -+ /* Invert depending on SPI mode -+ * Start receive on transmitt -+ */ -+ ssc_writel(ssc, RCMR, -+ SSC_BF(RCMR_CKI, (mode->spi_mode % 2) ? 0 : 1) -+ | SSC_BF(RCMR_START, 1)); -+ /* Reveice MSB first */ -+ ssc_writel(ssc, RFMR, -+ SSC_BF(RFMR_DATLEN, (mode->data_length-1)) -+ | SSC_BIT(RFMR_MSBF)); -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ return 0; -+} -+EXPORT_SYMBOL(ssc_set_mode); -+ -+int ssc_set_rx_buffers(struct ssc_device *ssc, struct ssc_xfer_info *xfer) -+{ -+ if (xfer->data) { -+ ssc_writel(ssc, PDC_RPR, xfer->data); -+ ssc_writel(ssc, PDC_RCR, xfer->len); -+ } -+ if (xfer->next_data) { -+ ssc_writel(ssc, PDC_RNPR, xfer->next_data); -+ ssc_writel(ssc, PDC_RNCR, xfer->next_len); -+ } -+ -+ return 0; -+} -+EXPORT_SYMBOL(ssc_set_rx_buffers); -+ -+int ssc_get_rx_buffers(struct ssc_device *ssc, struct ssc_xfer_info *xfer) -+{ -+ xfer->data = ssc_readl(ssc, PDC_RPR); -+ xfer->len = ssc_readl(ssc, PDC_RCR); -+ xfer->next_data = ssc_readl(ssc, PDC_RNPR); -+ xfer->next_len = ssc_readl(ssc, PDC_RNCR); -+ -+ return 0; -+} -+EXPORT_SYMBOL(ssc_get_rx_buffers); -+ -+int ssc_set_tx_buffers(struct ssc_device *ssc, struct ssc_xfer_info *xfer) -+{ -+ if (xfer->data) { -+ ssc_writel(ssc, PDC_TPR, xfer->data); -+ ssc_writel(ssc, PDC_TCR, xfer->len); -+ } -+ if (xfer->next_data) { -+ ssc_writel(ssc, PDC_TNPR, xfer->next_data); -+ ssc_writel(ssc, PDC_TNCR, xfer->next_len); -+ } -+ -+ return 0; -+} -+EXPORT_SYMBOL(ssc_set_tx_buffers); -+ -+int ssc_get_tx_buffers(struct ssc_device *ssc, struct ssc_xfer_info *xfer) -+{ -+ xfer->data = ssc_readl(ssc, PDC_TPR); -+ xfer->len = ssc_readl(ssc, PDC_TCR); -+ xfer->next_data = ssc_readl(ssc, PDC_TNPR); -+ xfer->next_len = ssc_readl(ssc, PDC_TNCR); -+ -+ return 0; -+} -+EXPORT_SYMBOL(ssc_get_tx_buffers); -+ -+int ssc_enable(struct ssc_device *ssc, char tx, char rx) -+{ -+ if (tx && rx) { -+ ssc_writel(ssc, CR, SSC_BIT(CR_TXEN)|SSC_BIT(CR_RXEN)); -+ } -+ else if (tx) { -+ ssc_writel(ssc, CR, SSC_BIT(CR_TXEN)); -+ } -+ else if (rx) { -+ ssc_writel(ssc, CR, SSC_BIT(CR_RXEN)); -+ } -+ return 0; -+} -+EXPORT_SYMBOL(ssc_enable); -+ -+int ssc_enable_xfer(struct ssc_device *ssc, char tx, char rx) -+{ -+ if (tx && rx) { -+ ssc_writel(ssc, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTEN)|SSC_BIT(PDC_PTCR_RXTEN)); -+ } -+ else if (tx) { -+ ssc_writel(ssc, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTEN)); -+ } -+ else if (rx) { -+ ssc_writel(ssc, PDC_PTCR, SSC_BIT(PDC_PTCR_RXTEN)); -+ } -+ return 0; -+} -+EXPORT_SYMBOL(ssc_enable_xfer); -+ -+int ssc_disable(struct ssc_device *ssc, char tx, char rx) -+{ -+ if (tx && rx) { -+ ssc_writel(ssc, CR, SSC_BIT(CR_TXDIS)|SSC_BIT(CR_RXDIS)); -+ } -+ else if (tx) { -+ ssc_writel(ssc, CR, SSC_BIT(CR_TXDIS)); -+ } -+ else if (rx) { -+ ssc_writel(ssc, CR, SSC_BIT(CR_RXDIS)); -+ } -+ return 0; -+} -+EXPORT_SYMBOL(ssc_disable); -+ -+int ssc_disable_xfer(struct ssc_device *ssc, char tx, char rx) -+{ -+ if (tx && rx) { -+ ssc_writel(ssc, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTDIS)|SSC_BIT(PDC_PTCR_RXTDIS)); -+ } -+ else if (tx) { -+ ssc_writel(ssc, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTDIS)); -+ } -+ else if (rx) { -+ ssc_writel(ssc, PDC_PTCR, SSC_BIT(PDC_PTCR_RXTDIS)); -+ } -+ return 0; -+} -+EXPORT_SYMBOL(ssc_disable_xfer); -+ -+int ssc_enable_int(struct ssc_device *ssc, unsigned int mask) -+{ -+ long status; -+ -+ ssc_writel(ssc, IER, mask); -+ -+ status = ssc_readl(ssc, IMR); -+ -+ if (!(status & mask)) -+ return -EFAULT; -+ -+ return 0; -+} -+EXPORT_SYMBOL(ssc_enable_int); -+ -+int ssc_disable_int(struct ssc_device *ssc, unsigned int mask) -+{ -+ long status; -+ -+ ssc_writel(ssc, IDR, mask); -+ -+ status = ssc_readl(ssc, IMR); -+ -+ if (status ^ ~mask) -+ return -EFAULT; -+ -+ return 0; -+} -+EXPORT_SYMBOL(ssc_disable_int); -+ -+int ssc_get_int_mask(struct ssc_device *ssc, unsigned int *mask) -+{ -+ *mask = ssc_readl(ssc, IMR); -+ return 0; -+} -+EXPORT_SYMBOL(ssc_get_int_mask); -+ -+int ssc_clk_get_rate(struct ssc_device *ssc) -+{ -+ return clk_get_rate(ssc->clk); -+} -+EXPORT_SYMBOL(ssc_clk_get_rate); -+ -+int ssc_to_irq(struct ssc_device *ssc) -+{ -+ return ssc->irq; -+} -+EXPORT_SYMBOL(ssc_to_irq); -+ -+struct ssc_device* irq_to_ssc(unsigned int irq) -+{ -+ int i; -+ struct ssc_device *ssc; -+ -+ for (i = 0; i < MAX_NR_SSC_DEVICES; i++) { -+ ssc = &ssc_dev[i]; -+ if (ssc && ssc->irq == irq) -+ return ssc; -+ } -+ -+ return ERR_PTR(-ENXIO); -+} -+EXPORT_SYMBOL(irq_to_ssc); -+ -+/* End SSC API */ -+ -+static int __init ssc_probe(struct platform_device *pdev) -+{ -+ int retval = 0; -+ struct resource *regs; -+ struct ssc_device *ssc = NULL; -+ -+ if (pdev->id > MAX_NR_SSC_DEVICES) { -+ dev_err(&pdev->dev, "only %d SSC devices supported\n", -+ MAX_NR_SSC_DEVICES); -+ retval = -ENODEV; -+ goto out; -+ } -+ -+ ssc = &ssc_dev[pdev->id]; -+ ssc->user = 0; -+ snprintf(ssc->name, sizeof(ssc->name), "ssc%d", pdev->id); -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) { -+ dev_err(&pdev->dev, "no mmio resource defined for %s\n", -+ ssc->name); -+ retval = -ENXIO; -+ goto out; -+ } -+ -+ ssc->clk = clk_get(&pdev->dev, "pclk"); -+ if (IS_ERR(ssc->clk)) { -+ dev_err(&pdev->dev, "no pclk clock defined for %s\n", -+ ssc->name); -+ retval = -ENXIO; -+ goto out; -+ } -+ -+ ssc->pdev = pdev; -+ ssc->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ -+ mutex_init(&user_mutex); -+ -+ /* disable all interrupts */ -+ ssc_writel(ssc, IDR, ~0UL); -+ ssc_readl(ssc, SR); -+ -+ ssc->irq = platform_get_irq(pdev, 0); -+ if (!ssc->irq) { -+ printk(KERN_ERR "%s: no interrupt for module\n", ssc->name); -+ retval = -ENXIO; -+ goto out_unmap; -+ } -+ -+ platform_set_drvdata(pdev, ssc); -+ -+ printk(KERN_INFO "%s: Atmel SSC module at 0x%08lx (irq %d)\n", -+ ssc->name, (unsigned long)ssc->regs, ssc->irq); -+ -+ goto out; -+ -+out_unmap: -+ iounmap(ssc->regs); -+out: -+ return retval; -+} -+ -+static int __devexit ssc_remove(struct platform_device *pdev) -+{ -+ struct ssc_device *ssc = platform_get_drvdata(pdev); -+ -+ if (ssc && ssc->regs) -+ iounmap(ssc->regs); -+ if (ssc && ssc->clk) -+ clk_put(ssc->clk); -+ platform_set_drvdata(pdev, NULL); -+ -+ return 0; -+} -+ -+static struct platform_driver ssc_driver = { -+ .remove = __devexit_p(ssc_remove), -+ .driver = { -+ .name = "ssc", -+ }, -+}; -+ -+static int __init ssc_init(void) -+{ -+ return platform_driver_probe(&ssc_driver, ssc_probe); -+} -+ -+static void __exit ssc_exit(void) -+{ -+ platform_driver_unregister(&ssc_driver); -+} -+ -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -+MODULE_DESCRIPTION("SSC driver for AVR32 capable of I2S and SPI master (todo)"); -+MODULE_LICENSE("GPL"); -+ -+module_init(ssc_init); -+module_exit(ssc_exit); -diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig -index 12af9c7..6514159 100644 ---- a/drivers/mmc/Kconfig -+++ b/drivers/mmc/Kconfig -@@ -71,6 +71,16 @@ config MMC_OMAP - - If unsure, say N. - -+config MMC_ATMELMCI -+ tristate "Atmel Multimedia Card Interface support" -+ depends on AVR32 && MMC -+ help -+ This selects the Atmel Multimedia Card Interface. If you have -+ a AT91 (ARM) or AT32 (AVR32) platform with a Multimedia Card -+ slot, say Y or M here. -+ -+ If unsure, say N. -+ - config MMC_WBSD - tristate "Winbond W83L51xD SD/MMC Card Interface support" - depends on MMC && ISA_DMA_API -diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile -index 83ffb93..caf30e0 100644 ---- a/drivers/mmc/Makefile -+++ b/drivers/mmc/Makefile -@@ -23,6 +23,7 @@ obj-$(CONFIG_MMC_WBSD) += wbsd.o - obj-$(CONFIG_MMC_AU1X) += au1xmmc.o - obj-$(CONFIG_MMC_OMAP) += omap.o - obj-$(CONFIG_MMC_AT91) += at91_mci.o -+obj-$(CONFIG_MMC_ATMELMCI) += atmel-mci.o - obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o - - mmc_core-y := mmc.o mmc_sysfs.o -diff --git a/drivers/mmc/atmel-mci.c b/drivers/mmc/atmel-mci.c -new file mode 100644 -index 0000000..ebeab32 ---- /dev/null -+++ b/drivers/mmc/atmel-mci.c -@@ -0,0 +1,1218 @@ -+/* -+ * Atmel MultiMedia Card Interface driver -+ * -+ * Copyright (C) 2004-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/blkdev.h> -+#include <linux/clk.h> -+#include <linux/device.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/ioport.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+ -+#include <linux/mmc/host.h> -+#include <linux/mmc/protocol.h> -+ -+#include <asm/dma-controller.h> -+#include <asm/io.h> -+#include <asm/arch/board.h> -+#include <asm/arch/gpio.h> -+ -+#include "atmel-mci.h" -+ -+#define DRIVER_NAME "atmel_mci" -+ -+#define MCI_CMD_ERROR_FLAGS (MCI_BIT(RINDE) | MCI_BIT(RDIRE) | \ -+ MCI_BIT(RCRCE) | MCI_BIT(RENDE) | \ -+ MCI_BIT(RTOE)) -+#define MCI_DATA_ERROR_FLAGS (MCI_BIT(DCRCE) | MCI_BIT(DTOE) | \ -+ MCI_BIT(OVRE) | MCI_BIT(UNRE)) -+ -+enum { -+ EVENT_CMD_COMPLETE = 0, -+ EVENT_CMD_ERROR, -+ EVENT_DATA_COMPLETE, -+ EVENT_DATA_ERROR, -+ EVENT_STOP_SENT, -+ EVENT_STOP_COMPLETE, -+ EVENT_STOP_ERROR, -+ EVENT_DMA_ERROR, -+ EVENT_CARD_DETECT, -+}; -+ -+struct atmel_mci_dma { -+ struct dma_request_sg req; -+ unsigned short rx_periph_id; -+ unsigned short tx_periph_id; -+}; -+ -+struct atmel_mci { -+ struct mmc_host *mmc; -+ void __iomem *regs; -+ struct atmel_mci_dma dma; -+ -+ struct mmc_request *mrq; -+ struct mmc_command *cmd; -+ struct mmc_data *data; -+ -+ u32 stop_cmdr; -+ u32 stop_iflags; -+ -+ struct tasklet_struct tasklet; -+ unsigned long pending_events; -+ unsigned long completed_events; -+ u32 error_status; -+ -+ int present; -+ int detect_pin; -+ int wp_pin; -+ -+ unsigned long bus_hz; -+ unsigned long mapbase; -+ struct clk *mck; -+ struct platform_device *pdev; -+ -+#ifdef CONFIG_DEBUG_FS -+ struct dentry *debugfs_root; -+ struct dentry *debugfs_regs; -+ struct dentry *debugfs_req; -+ struct dentry *debugfs_pending_events; -+ struct dentry *debugfs_completed_events; -+#endif -+}; -+ -+/* Those printks take an awful lot of time... */ -+#ifndef DEBUG -+static unsigned int fmax = 15000000U; -+#else -+static unsigned int fmax = 1000000U; -+#endif -+module_param(fmax, uint, 0444); -+MODULE_PARM_DESC(fmax, "Max frequency in Hz of the MMC bus clock"); -+ -+/* Test bit macros for completed events */ -+#define mci_cmd_is_complete(host) \ -+ test_bit(EVENT_CMD_COMPLETE, &host->completed_events) -+#define mci_cmd_error_is_complete(host) \ -+ test_bit(EVENT_CMD_ERROR, &host->completed_events) -+#define mci_data_is_complete(host) \ -+ test_bit(EVENT_DATA_COMPLETE, &host->completed_events) -+#define mci_data_error_is_complete(host) \ -+ test_bit(EVENT_DATA_ERROR, &host->completed_events) -+#define mci_stop_sent_is_complete(host) \ -+ test_bit(EVENT_STOP_SENT, &host->completed_events) -+#define mci_stop_is_complete(host) \ -+ test_bit(EVENT_STOP_COMPLETE, &host->completed_events) -+#define mci_stop_error_is_complete(host) \ -+ test_bit(EVENT_STOP_ERROR, &host->completed_events) -+#define mci_dma_error_is_complete(host) \ -+ test_bit(EVENT_DMA_ERROR, &host->completed_events) -+#define mci_card_detect_is_complete(host) \ -+ test_bit(EVENT_CARD_DETECT, &host->completed_events) -+ -+/* Test and clear bit macros for pending events */ -+#define mci_clear_cmd_is_pending(host) \ -+ test_and_clear_bit(EVENT_CMD_COMPLETE, &host->pending_events) -+#define mci_clear_cmd_error_is_pending(host) \ -+ test_and_clear_bit(EVENT_CMD_ERROR, &host->pending_events) -+#define mci_clear_data_is_pending(host) \ -+ test_and_clear_bit(EVENT_DATA_COMPLETE, &host->pending_events) -+#define mci_clear_data_error_is_pending(host) \ -+ test_and_clear_bit(EVENT_DATA_ERROR, &host->pending_events) -+#define mci_clear_stop_sent_is_pending(host) \ -+ test_and_clear_bit(EVENT_STOP_SENT, &host->pending_events) -+#define mci_clear_stop_is_pending(host) \ -+ test_and_clear_bit(EVENT_STOP_COMPLETE, &host->pending_events) -+#define mci_clear_stop_error_is_pending(host) \ -+ test_and_clear_bit(EVENT_STOP_ERROR, &host->pending_events) -+#define mci_clear_dma_error_is_pending(host) \ -+ test_and_clear_bit(EVENT_DMA_ERROR, &host->pending_events) -+#define mci_clear_card_detect_is_pending(host) \ -+ test_and_clear_bit(EVENT_CARD_DETECT, &host->pending_events) -+ -+/* Test and set bit macros for completed events */ -+#define mci_set_cmd_is_completed(host) \ -+ test_and_set_bit(EVENT_CMD_COMPLETE, &host->completed_events) -+#define mci_set_cmd_error_is_completed(host) \ -+ test_and_set_bit(EVENT_CMD_ERROR, &host->completed_events) -+#define mci_set_data_is_completed(host) \ -+ test_and_set_bit(EVENT_DATA_COMPLETE, &host->completed_events) -+#define mci_set_data_error_is_completed(host) \ -+ test_and_set_bit(EVENT_DATA_ERROR, &host->completed_events) -+#define mci_set_stop_sent_is_completed(host) \ -+ test_and_set_bit(EVENT_STOP_SENT, &host->completed_events) -+#define mci_set_stop_is_completed(host) \ -+ test_and_set_bit(EVENT_STOP_COMPLETE, &host->completed_events) -+#define mci_set_stop_error_is_completed(host) \ -+ test_and_set_bit(EVENT_STOP_ERROR, &host->completed_events) -+#define mci_set_dma_error_is_completed(host) \ -+ test_and_set_bit(EVENT_DMA_ERROR, &host->completed_events) -+#define mci_set_card_detect_is_completed(host) \ -+ test_and_set_bit(EVENT_CARD_DETECT, &host->completed_events) -+ -+/* Set bit macros for completed events */ -+#define mci_set_cmd_complete(host) \ -+ set_bit(EVENT_CMD_COMPLETE, &host->completed_events) -+#define mci_set_cmd_error_complete(host) \ -+ set_bit(EVENT_CMD_ERROR, &host->completed_events) -+#define mci_set_data_complete(host) \ -+ set_bit(EVENT_DATA_COMPLETE, &host->completed_events) -+#define mci_set_data_error_complete(host) \ -+ set_bit(EVENT_DATA_ERROR, &host->completed_events) -+#define mci_set_stop_sent_complete(host) \ -+ set_bit(EVENT_STOP_SENT, &host->completed_events) -+#define mci_set_stop_complete(host) \ -+ set_bit(EVENT_STOP_COMPLETE, &host->completed_events) -+#define mci_set_stop_error_complete(host) \ -+ set_bit(EVENT_STOP_ERROR, &host->completed_events) -+#define mci_set_dma_error_complete(host) \ -+ set_bit(EVENT_DMA_ERROR, &host->completed_events) -+#define mci_set_card_detect_complete(host) \ -+ set_bit(EVENT_CARD_DETECT, &host->completed_events) -+ -+/* Set bit macros for pending events */ -+#define mci_set_cmd_pending(host) \ -+ set_bit(EVENT_CMD_COMPLETE, &host->pending_events) -+#define mci_set_cmd_error_pending(host) \ -+ set_bit(EVENT_CMD_ERROR, &host->pending_events) -+#define mci_set_data_pending(host) \ -+ set_bit(EVENT_DATA_COMPLETE, &host->pending_events) -+#define mci_set_data_error_pending(host) \ -+ set_bit(EVENT_DATA_ERROR, &host->pending_events) -+#define mci_set_stop_sent_pending(host) \ -+ set_bit(EVENT_STOP_SENT, &host->pending_events) -+#define mci_set_stop_pending(host) \ -+ set_bit(EVENT_STOP_COMPLETE, &host->pending_events) -+#define mci_set_stop_error_pending(host) \ -+ set_bit(EVENT_STOP_ERROR, &host->pending_events) -+#define mci_set_dma_error_pending(host) \ -+ set_bit(EVENT_DMA_ERROR, &host->pending_events) -+#define mci_set_card_detect_pending(host) \ -+ set_bit(EVENT_CARD_DETECT, &host->pending_events) -+ -+/* Clear bit macros for pending events */ -+#define mci_clear_cmd_pending(host) \ -+ clear_bit(EVENT_CMD_COMPLETE, &host->pending_events) -+#define mci_clear_cmd_error_pending(host) \ -+ clear_bit(EVENT_CMD_ERROR, &host->pending_events) -+#define mci_clear_data_pending(host) \ -+ clear_bit(EVENT_DATA_COMPLETE, &host->pending_events) -+#define mci_clear_data_error_pending(host) \ -+ clear_bit(EVENT_DATA_ERROR, &host->pending_events) -+#define mci_clear_stop_sent_pending(host) \ -+ clear_bit(EVENT_STOP_SENT, &host->pending_events) -+#define mci_clear_stop_pending(host) \ -+ clear_bit(EVENT_STOP_COMPLETE, &host->pending_events) -+#define mci_clear_stop_error_pending(host) \ -+ clear_bit(EVENT_STOP_ERROR, &host->pending_events) -+#define mci_clear_dma_error_pending(host) \ -+ clear_bit(EVENT_DMA_ERROR, &host->pending_events) -+#define mci_clear_card_detect_pending(host) \ -+ clear_bit(EVENT_CARD_DETECT, &host->pending_events) -+ -+ -+#ifdef CONFIG_DEBUG_FS -+#include <linux/debugfs.h> -+ -+#define DBG_REQ_BUF_SIZE (4096 - sizeof(unsigned int)) -+ -+struct req_dbg_data { -+ unsigned int nbytes; -+ char str[DBG_REQ_BUF_SIZE]; -+}; -+ -+static int req_dbg_open(struct inode *inode, struct file *file) -+{ -+ struct atmel_mci *host; -+ struct mmc_request *mrq; -+ struct mmc_command *cmd, *stop; -+ struct mmc_data *data; -+ struct req_dbg_data *priv; -+ char *str; -+ unsigned long n = 0; -+ -+ priv = kzalloc(DBG_REQ_BUF_SIZE, GFP_KERNEL); -+ if (!priv) -+ return -ENOMEM; -+ str = priv->str; -+ -+ mutex_lock(&inode->i_mutex); -+ host = inode->i_private; -+ -+ spin_lock_irq(&host->mmc->lock); -+ mrq = host->mrq; -+ if (mrq) { -+ cmd = mrq->cmd; -+ data = mrq->data; -+ stop = mrq->stop; -+ n = snprintf(str, DBG_REQ_BUF_SIZE, -+ "CMD%u(0x%x) %x %x %x %x %x (err %u)\n", -+ cmd->opcode, cmd->arg, cmd->flags, -+ cmd->resp[0], cmd->resp[1], cmd->resp[2], -+ cmd->resp[3], cmd->error); -+ if (n < DBG_REQ_BUF_SIZE && data) -+ n += snprintf(str + n, DBG_REQ_BUF_SIZE - n, -+ "DATA %u * %u (%u) %x (err %u)\n", -+ data->blocks, data->blksz, -+ data->bytes_xfered, data->flags, -+ data->error); -+ if (n < DBG_REQ_BUF_SIZE && stop) -+ n += snprintf(str + n, DBG_REQ_BUF_SIZE - n, -+ "CMD%u(0x%x) %x %x %x %x %x (err %u)\n", -+ stop->opcode, stop->arg, stop->flags, -+ stop->resp[0], stop->resp[1], -+ stop->resp[2], stop->resp[3], -+ stop->error); -+ } -+ spin_unlock_irq(&host->mmc->lock); -+ mutex_unlock(&inode->i_mutex); -+ -+ priv->nbytes = min(n, DBG_REQ_BUF_SIZE); -+ file->private_data = priv; -+ -+ return 0; -+} -+ -+static ssize_t req_dbg_read(struct file *file, char __user *buf, -+ size_t nbytes, loff_t *ppos) -+{ -+ struct req_dbg_data *priv = file->private_data; -+ -+ return simple_read_from_buffer(buf, nbytes, ppos, -+ priv->str, priv->nbytes); -+} -+ -+static int req_dbg_release(struct inode *inode, struct file *file) -+{ -+ kfree(file->private_data); -+ return 0; -+} -+ -+static const struct file_operations req_dbg_fops = { -+ .owner = THIS_MODULE, -+ .open = req_dbg_open, -+ .llseek = no_llseek, -+ .read = req_dbg_read, -+ .release = req_dbg_release, -+}; -+ -+static int regs_dbg_open(struct inode *inode, struct file *file) -+{ -+ struct atmel_mci *host; -+ unsigned int i; -+ u32 *data; -+ int ret = -ENOMEM; -+ -+ mutex_lock(&inode->i_mutex); -+ host = inode->i_private; -+ data = kmalloc(inode->i_size, GFP_KERNEL); -+ if (!data) -+ goto out; -+ -+ spin_lock_irq(&host->mmc->lock); -+ for (i = 0; i < inode->i_size / 4; i++) -+ data[i] = __raw_readl(host->regs + i * 4); -+ spin_unlock_irq(&host->mmc->lock); -+ -+ file->private_data = data; -+ ret = 0; -+ -+out: -+ mutex_unlock(&inode->i_mutex); -+ -+ return ret; -+} -+ -+static ssize_t regs_dbg_read(struct file *file, char __user *buf, -+ size_t nbytes, loff_t *ppos) -+{ -+ struct inode *inode = file->f_dentry->d_inode; -+ int ret; -+ -+ mutex_lock(&inode->i_mutex); -+ ret = simple_read_from_buffer(buf, nbytes, ppos, -+ file->private_data, -+ file->f_dentry->d_inode->i_size); -+ mutex_unlock(&inode->i_mutex); -+ -+ return ret; -+} -+ -+static int regs_dbg_release(struct inode *inode, struct file *file) -+{ -+ kfree(file->private_data); -+ return 0; -+} -+ -+static const struct file_operations regs_dbg_fops = { -+ .owner = THIS_MODULE, -+ .open = regs_dbg_open, -+ .llseek = generic_file_llseek, -+ .read = regs_dbg_read, -+ .release = regs_dbg_release, -+}; -+ -+static void atmci_init_debugfs(struct atmel_mci *host) -+{ -+ struct mmc_host *mmc; -+ struct dentry *root, *regs; -+ struct resource *res; -+ -+ mmc = host->mmc; -+ root = debugfs_create_dir(mmc_hostname(mmc), NULL); -+ if (IS_ERR(root) || !root) -+ goto err_root; -+ host->debugfs_root = root; -+ -+ regs = debugfs_create_file("regs", 0400, root, host, ®s_dbg_fops); -+ if (!regs) -+ goto err_regs; -+ -+ res = platform_get_resource(host->pdev, IORESOURCE_MEM, 0); -+ regs->d_inode->i_size = res->end - res->start + 1; -+ host->debugfs_regs = regs; -+ -+ host->debugfs_req = debugfs_create_file("req", 0400, root, -+ host, &req_dbg_fops); -+ if (!host->debugfs_req) -+ goto err_req; -+ -+ host->debugfs_pending_events -+ = debugfs_create_u32("pending_events", 0400, root, -+ (u32 *)&host->pending_events); -+ if (!host->debugfs_pending_events) -+ goto err_pending_events; -+ -+ host->debugfs_completed_events -+ = debugfs_create_u32("completed_events", 0400, root, -+ (u32 *)&host->completed_events); -+ if (!host->debugfs_completed_events) -+ goto err_completed_events; -+ -+ return; -+ -+err_completed_events: -+ debugfs_remove(host->debugfs_pending_events); -+err_pending_events: -+ debugfs_remove(host->debugfs_req); -+err_req: -+ debugfs_remove(host->debugfs_regs); -+err_regs: -+ debugfs_remove(host->debugfs_root); -+err_root: -+ host->debugfs_root = NULL; -+ dev_err(&host->pdev->dev, -+ "failed to initialize debugfs for %s\n", -+ mmc_hostname(mmc)); -+} -+ -+static void atmci_cleanup_debugfs(struct atmel_mci *host) -+{ -+ if (host->debugfs_root) { -+ debugfs_remove(host->debugfs_completed_events); -+ debugfs_remove(host->debugfs_pending_events); -+ debugfs_remove(host->debugfs_req); -+ debugfs_remove(host->debugfs_regs); -+ debugfs_remove(host->debugfs_root); -+ host->debugfs_root = NULL; -+ } -+} -+#else -+static inline void atmci_init_debugfs(struct atmel_mci *host) -+{ -+ -+} -+ -+static inline void atmci_cleanup_debugfs(struct atmel_mci *host) -+{ -+ -+} -+#endif /* CONFIG_DEBUG_FS */ -+ -+static inline unsigned int ns_to_clocks(struct atmel_mci *host, -+ unsigned int ns) -+{ -+ return (ns * (host->bus_hz / 1000000) + 999) / 1000; -+} -+ -+static void atmci_set_timeout(struct atmel_mci *host, -+ struct mmc_data *data) -+{ -+ static unsigned dtomul_to_shift[] = { -+ 0, 4, 7, 8, 10, 12, 16, 20 -+ }; -+ unsigned timeout; -+ unsigned dtocyc, dtomul; -+ -+ timeout = ns_to_clocks(host, data->timeout_ns) + data->timeout_clks; -+ -+ for (dtomul = 0; dtomul < 8; dtomul++) { -+ unsigned shift = dtomul_to_shift[dtomul]; -+ dtocyc = (timeout + (1 << shift) - 1) >> shift; -+ if (dtocyc < 15) -+ break; -+ } -+ -+ if (dtomul >= 8) { -+ dtomul = 7; -+ dtocyc = 15; -+ } -+ -+ pr_debug("%s: setting timeout to %u cycles\n", -+ mmc_hostname(host->mmc), -+ dtocyc << dtomul_to_shift[dtomul]); -+ mci_writel(host, DTOR, (MCI_BF(DTOMUL, dtomul) -+ | MCI_BF(DTOCYC, dtocyc))); -+} -+ -+/* -+ * Return mask with interrupt flags to be handled for this command. -+ */ -+static u32 atmci_prepare_command(struct mmc_host *mmc, -+ struct mmc_command *cmd, -+ u32 *cmd_flags) -+{ -+ u32 cmdr; -+ u32 iflags; -+ -+ cmd->error = MMC_ERR_NONE; -+ -+ cmdr = 0; -+ BUG_ON(MCI_BFEXT(CMDNB, cmdr) != 0); -+ cmdr = MCI_BFINS(CMDNB, cmd->opcode, cmdr); -+ -+ if (cmd->flags & MMC_RSP_PRESENT) { -+ if (cmd->flags & MMC_RSP_136) -+ cmdr |= MCI_BF(RSPTYP, MCI_RSPTYP_136_BIT); -+ else -+ cmdr |= MCI_BF(RSPTYP, MCI_RSPTYP_48_BIT); -+ } -+ -+ /* -+ * This should really be MAXLAT_5 for CMD2 and ACMD41, but -+ * it's too difficult to determine whether this is an ACMD or -+ * not. Better make it 64. -+ */ -+ cmdr |= MCI_BIT(MAXLAT); -+ -+ if (mmc->ios.bus_mode == MMC_BUSMODE_OPENDRAIN) -+ cmdr |= MCI_BIT(OPDCMD); -+ -+ iflags = MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS; -+ if (!(cmd->flags & MMC_RSP_CRC)) -+ iflags &= ~MCI_BIT(RCRCE); -+ -+ pr_debug("%s: cmd: op %02x arg %08x flags %08x, cmdflags %08lx\n", -+ mmc_hostname(mmc), cmd->opcode, cmd->arg, cmd->flags, -+ (unsigned long)cmdr); -+ -+ *cmd_flags = cmdr; -+ return iflags; -+} -+ -+static void atmci_start_command(struct atmel_mci *host, -+ struct mmc_command *cmd, -+ u32 cmd_flags) -+{ -+ WARN_ON(host->cmd); -+ host->cmd = cmd; -+ -+ mci_writel(host, ARGR, cmd->arg); -+ mci_writel(host, CMDR, cmd_flags); -+ -+ if (cmd->data) -+ dma_start_request(host->dma.req.req.dmac, -+ host->dma.req.req.channel); -+} -+ -+/* -+ * Returns a mask of flags to be set in the command register when the -+ * command to start the transfer is to be sent. -+ */ -+static u32 atmci_prepare_data(struct mmc_host *mmc, struct mmc_data *data) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ u32 cmd_flags; -+ -+ WARN_ON(host->data); -+ host->data = data; -+ -+ atmci_set_timeout(host, data); -+ mci_writel(host, BLKR, (MCI_BF(BCNT, data->blocks) -+ | MCI_BF(BLKLEN, data->blksz))); -+ host->dma.req.block_size = data->blksz; -+ host->dma.req.nr_blocks = data->blocks; -+ -+ cmd_flags = MCI_BF(TRCMD, MCI_TRCMD_START_TRANS); -+ if (data->flags & MMC_DATA_STREAM) -+ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_STREAM); -+ else if (data->blocks > 1) -+ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_MULTI_BLOCK); -+ else -+ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_BLOCK); -+ -+ if (data->flags & MMC_DATA_READ) { -+ cmd_flags |= MCI_BIT(TRDIR); -+ host->dma.req.nr_sg -+ = dma_map_sg(&host->pdev->dev, data->sg, -+ data->sg_len, DMA_FROM_DEVICE); -+ host->dma.req.periph_id = host->dma.rx_periph_id; -+ host->dma.req.direction = DMA_DIR_PERIPH_TO_MEM; -+ host->dma.req.data_reg = host->mapbase + MCI_RDR; -+ } else { -+ host->dma.req.nr_sg -+ = dma_map_sg(&host->pdev->dev, data->sg, -+ data->sg_len, DMA_TO_DEVICE); -+ host->dma.req.periph_id = host->dma.tx_periph_id; -+ host->dma.req.direction = DMA_DIR_MEM_TO_PERIPH; -+ host->dma.req.data_reg = host->mapbase + MCI_TDR; -+ } -+ host->dma.req.sg = data->sg; -+ -+ dma_prepare_request_sg(host->dma.req.req.dmac, &host->dma.req); -+ -+ return cmd_flags; -+} -+ -+static void atmci_request(struct mmc_host *mmc, struct mmc_request *mrq) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ struct mmc_data *data = mrq->data; -+ u32 iflags; -+ u32 cmdflags = 0; -+ -+ iflags = mci_readl(host, IMR); -+ if (iflags) -+ printk("WARNING: IMR=0x%08x\n", mci_readl(host, IMR)); -+ -+ WARN_ON(host->mrq != NULL); -+ host->mrq = mrq; -+ host->pending_events = 0; -+ host->completed_events = 0; -+ -+ iflags = atmci_prepare_command(mmc, mrq->cmd, &cmdflags); -+ -+ if (mrq->stop) { -+ BUG_ON(!data); -+ -+ host->stop_iflags = atmci_prepare_command(mmc, mrq->stop, -+ &host->stop_cmdr); -+ host->stop_cmdr |= MCI_BF(TRCMD, MCI_TRCMD_STOP_TRANS); -+ if (!(data->flags & MMC_DATA_WRITE)) -+ host->stop_cmdr |= MCI_BIT(TRDIR); -+ if (data->flags & MMC_DATA_STREAM) -+ host->stop_cmdr |= MCI_BF(TRTYP, MCI_TRTYP_STREAM); -+ else -+ host->stop_cmdr |= MCI_BF(TRTYP, MCI_TRTYP_MULTI_BLOCK); -+ } -+ if (data) { -+ cmdflags |= atmci_prepare_data(mmc, data); -+ iflags |= MCI_DATA_ERROR_FLAGS; -+ } -+ -+ atmci_start_command(host, mrq->cmd, cmdflags); -+ mci_writel(host, IER, iflags); -+} -+ -+static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ -+ if (ios->clock) { -+ u32 clkdiv; -+ -+ clkdiv = host->bus_hz / (2 * ios->clock) - 1; -+ if (clkdiv > 255) -+ clkdiv = 255; -+ mci_writel(host, MR, (clkdiv -+ | MCI_BIT(WRPROOF) -+ | MCI_BIT(RDPROOF))); -+ } -+ -+ switch (ios->bus_width) { -+ case MMC_BUS_WIDTH_1: -+ mci_writel(host, SDCR, 0); -+ break; -+ case MMC_BUS_WIDTH_4: -+ mci_writel(host, SDCR, MCI_BIT(SDCBUS)); -+ break; -+ } -+ -+ switch (ios->power_mode) { -+ case MMC_POWER_OFF: -+ mci_writel(host, CR, MCI_BIT(MCIDIS)); -+ break; -+ case MMC_POWER_UP: -+ mci_writel(host, CR, MCI_BIT(SWRST)); -+ break; -+ case MMC_POWER_ON: -+ mci_writel(host, CR, MCI_BIT(MCIEN)); -+ break; -+ } -+} -+ -+static int atmci_get_ro(struct mmc_host *mmc) -+{ -+ int read_only = 0; -+ struct atmel_mci *host = mmc_priv(mmc); -+ -+ if (host->wp_pin >= 0) { -+ read_only = gpio_get_value(host->wp_pin); -+ pr_debug("%s: card is %s\n", mmc_hostname(mmc), -+ read_only ? "read-only" : "read-write"); -+ } else { -+ pr_debug("%s: no pin for checking read-only switch." -+ " Assuming write-enable.\n", mmc_hostname(mmc)); -+ } -+ -+ return read_only; -+} -+ -+static struct mmc_host_ops atmci_ops = { -+ .request = atmci_request, -+ .set_ios = atmci_set_ios, -+ .get_ro = atmci_get_ro, -+}; -+ -+static void atmci_request_end(struct mmc_host *mmc, struct mmc_request *mrq) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ -+ WARN_ON(host->cmd || host->data); -+ host->mrq = NULL; -+ -+ mmc_request_done(mmc, mrq); -+} -+ -+static void send_stop_cmd(struct mmc_host *mmc, struct mmc_data *data, -+ u32 flags) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ -+ atmci_start_command(host, data->stop, host->stop_cmdr | flags); -+ mci_writel(host, IER, host->stop_iflags); -+} -+ -+static void atmci_data_complete(struct atmel_mci *host, struct mmc_data *data) -+{ -+ host->data = NULL; -+ dma_unmap_sg(&host->pdev->dev, data->sg, host->dma.req.nr_sg, -+ ((data->flags & MMC_DATA_WRITE) -+ ? DMA_TO_DEVICE : DMA_FROM_DEVICE)); -+ -+ /* -+ * Data might complete before command for very short transfers -+ * (like READ_SCR) -+ */ -+ if (mci_cmd_is_complete(host) -+ && (!data->stop || mci_stop_is_complete(host))) -+ atmci_request_end(host->mmc, data->mrq); -+} -+ -+static void atmci_command_error(struct mmc_host *mmc, -+ struct mmc_command *cmd, -+ u32 status) -+{ -+ pr_debug("%s: command error: status=0x%08x\n", -+ mmc_hostname(mmc), status); -+ -+ if (status & MCI_BIT(RTOE)) -+ cmd->error = MMC_ERR_TIMEOUT; -+ else if (status & MCI_BIT(RCRCE)) -+ cmd->error = MMC_ERR_BADCRC; -+ else -+ cmd->error = MMC_ERR_FAILED; -+} -+ -+static void atmci_tasklet_func(unsigned long priv) -+{ -+ struct mmc_host *mmc = (struct mmc_host *)priv; -+ struct atmel_mci *host = mmc_priv(mmc); -+ struct mmc_request *mrq = host->mrq; -+ struct mmc_data *data = host->data; -+ -+ pr_debug("atmci_tasklet: pending/completed/mask %lx/%lx/%x\n", -+ host->pending_events, host->completed_events, -+ mci_readl(host, IMR)); -+ -+ if (mci_clear_cmd_error_is_pending(host)) { -+ struct mmc_command *cmd; -+ -+ mci_set_cmd_error_complete(host); -+ mci_clear_cmd_pending(host); -+ cmd = host->mrq->cmd; -+ -+ if (cmd->data) { -+ dma_stop_request(host->dma.req.req.dmac, -+ host->dma.req.req.channel); -+ host->data = NULL; -+ } -+ -+ atmci_command_error(mmc, cmd, host->error_status); -+ atmci_request_end(mmc, cmd->mrq); -+ } -+ if (mci_clear_stop_error_is_pending(host)) { -+ mci_set_stop_error_complete(host); -+ mci_clear_stop_pending(host); -+ atmci_command_error(mmc, host->mrq->stop, -+ host->error_status); -+ if (!host->data) -+ atmci_request_end(mmc, host->mrq); -+ } -+ if (mci_clear_cmd_is_pending(host)) { -+ mci_set_cmd_complete(host); -+ if (!mrq->data || mci_data_is_complete(host) -+ || mci_data_error_is_complete(host)) -+ atmci_request_end(mmc, mrq); -+ } -+ if (mci_clear_stop_is_pending(host)) { -+ mci_set_stop_complete(host); -+ if (mci_data_is_complete(host) -+ || mci_data_error_is_complete(host)) -+ atmci_request_end(mmc, mrq); -+ } -+ if (mci_clear_dma_error_is_pending(host)) { -+ mci_set_dma_error_complete(host); -+ mci_clear_data_pending(host); -+ -+ /* DMA controller got bus error => invalid address */ -+ data->error = MMC_ERR_INVALID; -+ -+ printk(KERN_DEBUG "%s: dma error after %u bytes xfered\n", -+ mmc_hostname(mmc), host->data->bytes_xfered); -+ -+ if (data->stop -+ && !mci_set_stop_sent_is_completed(host)) -+ /* TODO: Check if card is still present */ -+ send_stop_cmd(host->mmc, data, 0); -+ -+ atmci_data_complete(host, data); -+ } -+ if (mci_clear_data_error_is_pending(host)) { -+ u32 status = host->error_status; -+ -+ mci_set_data_error_complete(host); -+ mci_clear_data_pending(host); -+ -+ dma_stop_request(host->dma.req.req.dmac, -+ host->dma.req.req.channel); -+ -+ printk(KERN_DEBUG "%s: data error: status=0x%08x\n", -+ mmc_hostname(host->mmc), status); -+ -+ if (status & MCI_BIT(DCRCE)) { -+ printk(KERN_DEBUG "%s: Data CRC error\n", -+ mmc_hostname(host->mmc)); -+ data->error = MMC_ERR_BADCRC; -+ } else if (status & MCI_BIT(DTOE)) { -+ printk(KERN_DEBUG "%s: Data Timeout error\n", -+ mmc_hostname(host->mmc)); -+ data->error = MMC_ERR_TIMEOUT; -+ } else { -+ printk(KERN_DEBUG "%s: Data FIFO error\n", -+ mmc_hostname(host->mmc)); -+ data->error = MMC_ERR_FIFO; -+ } -+ printk(KERN_DEBUG "%s: Bytes xfered: %u\n", -+ mmc_hostname(host->mmc), data->bytes_xfered); -+ -+ if (data->stop -+ && !mci_set_stop_sent_is_completed(host)) -+ /* TODO: Check if card is still present */ -+ send_stop_cmd(host->mmc, data, 0); -+ -+ atmci_data_complete(host, data); -+ } -+ if (mci_clear_data_is_pending(host)) { -+ mci_set_data_complete(host); -+ data->bytes_xfered = data->blocks * data->blksz; -+ atmci_data_complete(host, data); -+ } -+ if (mci_clear_card_detect_is_pending(host)) { -+ /* Reset controller if card is gone */ -+ if (!host->present) { -+ mci_writel(host, CR, MCI_BIT(SWRST)); -+ mci_writel(host, IDR, ~0UL); -+ mci_writel(host, CR, MCI_BIT(MCIEN)); -+ } -+ -+ /* Clean up queue if present */ -+ if (mrq) { -+ if (!mci_cmd_is_complete(host) -+ && !mci_cmd_error_is_complete(host)) { -+ mrq->cmd->error = MMC_ERR_TIMEOUT; -+ } -+ if (mrq->data && !mci_data_is_complete(host) -+ && !mci_data_error_is_complete(host)) { -+ dma_stop_request(host->dma.req.req.dmac, -+ host->dma.req.req.channel); -+ host->data->error = MMC_ERR_TIMEOUT; -+ atmci_data_complete(host, data); -+ } -+ if (mrq->stop && !mci_stop_is_complete(host) -+ && !mci_stop_error_is_complete(host)) { -+ mrq->stop->error = MMC_ERR_TIMEOUT; -+ } -+ -+ host->cmd = NULL; -+ atmci_request_end(mmc, mrq); -+ } -+ mmc_detect_change(host->mmc, msecs_to_jiffies(100)); -+ } -+} -+ -+static void atmci_cmd_interrupt(struct mmc_host *mmc, u32 status) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ struct mmc_command *cmd = host->cmd; -+ -+ /* -+ * Read the response now so that we're free to send a new -+ * command immediately. -+ */ -+ cmd->resp[0] = mci_readl(host, RSPR); -+ cmd->resp[1] = mci_readl(host, RSPR); -+ cmd->resp[2] = mci_readl(host, RSPR); -+ cmd->resp[3] = mci_readl(host, RSPR); -+ -+ mci_writel(host, IDR, MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS); -+ host->cmd = NULL; -+ -+ if (mci_stop_sent_is_complete(host)) -+ mci_set_stop_pending(host); -+ else -+ mci_set_cmd_pending(host); -+ -+ tasklet_schedule(&host->tasklet); -+} -+ -+static void atmci_xfer_complete(struct dma_request *_req) -+{ -+ struct dma_request_sg *req = to_dma_request_sg(_req); -+ struct atmel_mci_dma *dma; -+ struct atmel_mci *host; -+ struct mmc_data *data; -+ -+ dma = container_of(req, struct atmel_mci_dma, req); -+ host = container_of(dma, struct atmel_mci, dma); -+ data = host->data; -+ -+ if (data->stop && !mci_set_stop_sent_is_completed(host)) -+ send_stop_cmd(host->mmc, data, 0); -+ -+ if (data->flags & MMC_DATA_READ) { -+ mci_writel(host, IDR, MCI_DATA_ERROR_FLAGS); -+ mci_set_data_pending(host); -+ tasklet_schedule(&host->tasklet); -+ } else { -+ /* -+ * For the WRITE case, wait for NOTBUSY. This function -+ * is called when everything has been written to the -+ * controller, not when the card is done programming. -+ */ -+ mci_writel(host, IER, MCI_BIT(NOTBUSY)); -+ } -+} -+ -+static void atmci_dma_error(struct dma_request *_req) -+{ -+ struct dma_request_sg *req = to_dma_request_sg(_req); -+ struct atmel_mci_dma *dma; -+ struct atmel_mci *host; -+ -+ dma = container_of(req, struct atmel_mci_dma, req); -+ host = container_of(dma, struct atmel_mci, dma); -+ -+ mci_writel(host, IDR, (MCI_BIT(NOTBUSY) -+ | MCI_DATA_ERROR_FLAGS)); -+ -+ mci_set_dma_error_pending(host); -+ tasklet_schedule(&host->tasklet); -+} -+ -+static irqreturn_t atmci_interrupt(int irq, void *dev_id) -+{ -+ struct mmc_host *mmc = dev_id; -+ struct atmel_mci *host = mmc_priv(mmc); -+ u32 status, mask, pending; -+ -+ spin_lock(&mmc->lock); -+ -+ status = mci_readl(host, SR); -+ mask = mci_readl(host, IMR); -+ pending = status & mask; -+ -+ do { -+ if (pending & MCI_CMD_ERROR_FLAGS) { -+ mci_writel(host, IDR, (MCI_BIT(CMDRDY) -+ | MCI_BIT(NOTBUSY) -+ | MCI_CMD_ERROR_FLAGS -+ | MCI_DATA_ERROR_FLAGS)); -+ host->error_status = status; -+ host->cmd = NULL; -+ if (mci_stop_sent_is_complete(host)) -+ mci_set_stop_error_pending(host); -+ else -+ mci_set_cmd_error_pending(host); -+ tasklet_schedule(&host->tasklet); -+ break; -+ } -+ if (pending & MCI_DATA_ERROR_FLAGS) { -+ mci_writel(host, IDR, (MCI_BIT(NOTBUSY) -+ | MCI_DATA_ERROR_FLAGS)); -+ host->error_status = status; -+ mci_set_data_error_pending(host); -+ tasklet_schedule(&host->tasklet); -+ break; -+ } -+ if (pending & MCI_BIT(CMDRDY)) -+ atmci_cmd_interrupt(mmc, status); -+ if (pending & MCI_BIT(NOTBUSY)) { -+ mci_writel(host, IDR, (MCI_BIT(NOTBUSY) -+ | MCI_DATA_ERROR_FLAGS)); -+ mci_set_data_pending(host); -+ tasklet_schedule(&host->tasklet); -+ } -+ -+ status = mci_readl(host, SR); -+ mask = mci_readl(host, IMR); -+ pending = status & mask; -+ } while (pending); -+ -+ spin_unlock(&mmc->lock); -+ -+ return IRQ_HANDLED; -+} -+ -+static irqreturn_t atmci_detect_change(int irq, void *dev_id) -+{ -+ struct mmc_host *mmc = dev_id; -+ struct atmel_mci *host = mmc_priv(mmc); -+ -+ int present = !gpio_get_value(irq_to_gpio(irq)); -+ -+ if (present != host->present) { -+ pr_debug("%s: card %s\n", mmc_hostname(host->mmc), -+ present ? "inserted" : "removed"); -+ host->present = present; -+ mci_set_card_detect_pending(host); -+ tasklet_schedule(&host->tasklet); -+ } -+ return IRQ_HANDLED; -+} -+ -+static int __devinit atmci_probe(struct platform_device *pdev) -+{ -+ struct mci_platform_data *board; -+ struct atmel_mci *host; -+ struct mmc_host *mmc; -+ struct resource *regs; -+ int irq; -+ int ret; -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) -+ return -ENXIO; -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) -+ return irq; -+ -+ board = pdev->dev.platform_data; -+ -+ mmc = mmc_alloc_host(sizeof(struct atmel_mci), &pdev->dev); -+ if (!mmc) -+ return -ENOMEM; -+ -+ host = mmc_priv(mmc); -+ host->pdev = pdev; -+ host->mmc = mmc; -+ if (board) { -+ host->detect_pin = board->detect_pin; -+ host->wp_pin = board->wp_pin; -+ } else { -+ host->detect_pin = -1; -+ host->detect_pin = -1; -+ } -+ -+ host->mck = clk_get(&pdev->dev, "mci_clk"); -+ if (IS_ERR(host->mck)) { -+ ret = PTR_ERR(host->mck); -+ goto out_free_host; -+ } -+ clk_enable(host->mck); -+ -+ ret = -ENOMEM; -+ host->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!host->regs) -+ goto out_disable_clk; -+ -+ host->bus_hz = clk_get_rate(host->mck); -+ host->mapbase = regs->start; -+ -+ mmc->ops = &atmci_ops; -+ mmc->f_min = (host->bus_hz + 511) / 512; -+ mmc->f_max = min((unsigned int)(host->bus_hz / 2), fmax); -+ mmc->ocr_avail = 0x00100000; -+ mmc->caps |= MMC_CAP_4_BIT_DATA; -+ -+ tasklet_init(&host->tasklet, atmci_tasklet_func, (unsigned long)mmc); -+ -+ ret = request_irq(irq, atmci_interrupt, 0, "mmci", mmc); -+ if (ret) -+ goto out_unmap; -+ -+ /* Assume card is present if we don't have a detect pin */ -+ host->present = 1; -+ if (host->detect_pin >= 0) { -+ if (gpio_request(host->detect_pin, "mmc_detect")) { -+ printk(KERN_WARNING "%s: no detect pin available\n", -+ mmc_hostname(host->mmc)); -+ host->detect_pin = -1; -+ } else { -+ host->present = !gpio_get_value(host->detect_pin); -+ } -+ } -+ if (host->wp_pin >= 0) { -+ if (gpio_request(host->wp_pin, "mmc_wp")) { -+ printk(KERN_WARNING "%s: no WP pin available\n", -+ mmc_hostname(host->mmc)); -+ host->wp_pin = -1; -+ } -+ } -+ -+ /* TODO: Get this information from platform data */ -+ ret = -ENOMEM; -+ host->dma.req.req.dmac = find_dma_controller(0); -+ if (!host->dma.req.req.dmac) { -+ printk(KERN_ERR -+ "mmci: No DMA controller available, aborting\n"); -+ goto out_free_irq; -+ } -+ ret = dma_alloc_channel(host->dma.req.req.dmac); -+ if (ret < 0) { -+ printk(KERN_ERR -+ "mmci: Unable to allocate DMA channel, aborting\n"); -+ goto out_free_irq; -+ } -+ host->dma.req.req.channel = ret; -+ host->dma.req.width = DMA_WIDTH_32BIT; -+ host->dma.req.req.xfer_complete = atmci_xfer_complete; -+ host->dma.req.req.block_complete = NULL; // atmci_block_complete; -+ host->dma.req.req.error = atmci_dma_error; -+ host->dma.rx_periph_id = 0; -+ host->dma.tx_periph_id = 1; -+ -+ mci_writel(host, CR, MCI_BIT(SWRST)); -+ mci_writel(host, IDR, ~0UL); -+ mci_writel(host, CR, MCI_BIT(MCIEN)); -+ -+ platform_set_drvdata(pdev, host); -+ -+ mmc_add_host(mmc); -+ -+ if (host->detect_pin >= 0) { -+ ret = request_irq(gpio_to_irq(host->detect_pin), -+ atmci_detect_change, -+ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, -+ DRIVER_NAME, mmc); -+ if (ret) { -+ printk(KERN_ERR -+ "%s: could not request IRQ %d for detect pin\n", -+ mmc_hostname(mmc), -+ gpio_to_irq(host->detect_pin)); -+ gpio_free(host->detect_pin); -+ host->detect_pin = -1; -+ } -+ } -+ -+ printk(KERN_INFO "%s: Atmel MCI controller at 0x%08lx irq %d\n", -+ mmc_hostname(mmc), host->mapbase, irq); -+ -+ atmci_init_debugfs(host); -+ -+ return 0; -+ -+out_free_irq: -+ if (host->detect_pin >= 0) -+ gpio_free(host->detect_pin); -+ if (host->wp_pin >= 0) -+ gpio_free(host->wp_pin); -+ free_irq(irq, mmc); -+out_unmap: -+ iounmap(host->regs); -+out_disable_clk: -+ clk_disable(host->mck); -+ clk_put(host->mck); -+out_free_host: -+ mmc_free_host(mmc); -+ return ret; -+} -+ -+static int __devexit atmci_remove(struct platform_device *pdev) -+{ -+ struct atmel_mci *host = platform_get_drvdata(pdev); -+ -+ platform_set_drvdata(pdev, NULL); -+ -+ if (host) { -+ atmci_cleanup_debugfs(host); -+ -+ if (host->detect_pin >= 0) { -+ free_irq(gpio_to_irq(host->detect_pin), host->mmc); -+ cancel_delayed_work(&host->mmc->detect); -+ gpio_free(host->detect_pin); -+ } -+ -+ mmc_remove_host(host->mmc); -+ -+ mci_writel(host, IDR, ~0UL); -+ mci_writel(host, CR, MCI_BIT(MCIDIS)); -+ mci_readl(host, SR); -+ -+ dma_release_channel(host->dma.req.req.dmac, -+ host->dma.req.req.channel); -+ -+ if (host->wp_pin >= 0) -+ gpio_free(host->wp_pin); -+ -+ free_irq(platform_get_irq(pdev, 0), host->mmc); -+ iounmap(host->regs); -+ -+ clk_disable(host->mck); -+ clk_put(host->mck); -+ -+ mmc_free_host(host->mmc); -+ } -+ return 0; -+} -+ -+static struct platform_driver atmci_driver = { -+ .probe = atmci_probe, -+ .remove = __devexit_p(atmci_remove), -+ .driver = { -+ .name = DRIVER_NAME, -+ }, -+}; -+ -+static int __init atmci_init(void) -+{ -+ return platform_driver_register(&atmci_driver); -+} -+ -+static void __exit atmci_exit(void) -+{ -+ platform_driver_unregister(&atmci_driver); -+} -+ -+module_init(atmci_init); -+module_exit(atmci_exit); -+ -+MODULE_DESCRIPTION("Atmel Multimedia Card Interface driver"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/mmc/atmel-mci.h b/drivers/mmc/atmel-mci.h -new file mode 100644 -index 0000000..60d15c4 ---- /dev/null -+++ b/drivers/mmc/atmel-mci.h -@@ -0,0 +1,192 @@ -+/* -+ * Atmel MultiMedia Card Interface driver -+ * -+ * Copyright (C) 2004-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __DRIVERS_MMC_ATMEL_MCI_H__ -+#define __DRIVERS_MMC_ATMEL_MCI_H__ -+ -+/* MCI register offsets */ -+#define MCI_CR 0x0000 -+#define MCI_MR 0x0004 -+#define MCI_DTOR 0x0008 -+#define MCI_SDCR 0x000c -+#define MCI_ARGR 0x0010 -+#define MCI_CMDR 0x0014 -+#define MCI_BLKR 0x0018 -+#define MCI_RSPR 0x0020 -+#define MCI_RSPR1 0x0024 -+#define MCI_RSPR2 0x0028 -+#define MCI_RSPR3 0x002c -+#define MCI_RDR 0x0030 -+#define MCI_TDR 0x0034 -+#define MCI_SR 0x0040 -+#define MCI_IER 0x0044 -+#define MCI_IDR 0x0048 -+#define MCI_IMR 0x004c -+ -+/* Bitfields in CR */ -+#define MCI_MCIEN_OFFSET 0 -+#define MCI_MCIEN_SIZE 1 -+#define MCI_MCIDIS_OFFSET 1 -+#define MCI_MCIDIS_SIZE 1 -+#define MCI_PWSEN_OFFSET 2 -+#define MCI_PWSEN_SIZE 1 -+#define MCI_PWSDIS_OFFSET 3 -+#define MCI_PWSDIS_SIZE 1 -+#define MCI_SWRST_OFFSET 7 -+#define MCI_SWRST_SIZE 1 -+ -+/* Bitfields in MR */ -+#define MCI_CLKDIV_OFFSET 0 -+#define MCI_CLKDIV_SIZE 8 -+#define MCI_PWSDIV_OFFSET 8 -+#define MCI_PWSDIV_SIZE 3 -+#define MCI_RDPROOF_OFFSET 11 -+#define MCI_RDPROOF_SIZE 1 -+#define MCI_WRPROOF_OFFSET 12 -+#define MCI_WRPROOF_SIZE 1 -+#define MCI_DMAPADV_OFFSET 14 -+#define MCI_DMAPADV_SIZE 1 -+#define MCI_BLKLEN_OFFSET 16 -+#define MCI_BLKLEN_SIZE 16 -+ -+/* Bitfields in DTOR */ -+#define MCI_DTOCYC_OFFSET 0 -+#define MCI_DTOCYC_SIZE 4 -+#define MCI_DTOMUL_OFFSET 4 -+#define MCI_DTOMUL_SIZE 3 -+ -+/* Bitfields in SDCR */ -+#define MCI_SDCSEL_OFFSET 0 -+#define MCI_SDCSEL_SIZE 4 -+#define MCI_SDCBUS_OFFSET 7 -+#define MCI_SDCBUS_SIZE 1 -+ -+/* Bitfields in ARGR */ -+#define MCI_ARG_OFFSET 0 -+#define MCI_ARG_SIZE 32 -+ -+/* Bitfields in CMDR */ -+#define MCI_CMDNB_OFFSET 0 -+#define MCI_CMDNB_SIZE 6 -+#define MCI_RSPTYP_OFFSET 6 -+#define MCI_RSPTYP_SIZE 2 -+#define MCI_SPCMD_OFFSET 8 -+#define MCI_SPCMD_SIZE 3 -+#define MCI_OPDCMD_OFFSET 11 -+#define MCI_OPDCMD_SIZE 1 -+#define MCI_MAXLAT_OFFSET 12 -+#define MCI_MAXLAT_SIZE 1 -+#define MCI_TRCMD_OFFSET 16 -+#define MCI_TRCMD_SIZE 2 -+#define MCI_TRDIR_OFFSET 18 -+#define MCI_TRDIR_SIZE 1 -+#define MCI_TRTYP_OFFSET 19 -+#define MCI_TRTYP_SIZE 2 -+ -+/* Bitfields in BLKR */ -+#define MCI_BCNT_OFFSET 0 -+#define MCI_BCNT_SIZE 16 -+ -+/* Bitfields in RSPRn */ -+#define MCI_RSP_OFFSET 0 -+#define MCI_RSP_SIZE 32 -+ -+/* Bitfields in SR/IER/IDR/IMR */ -+#define MCI_CMDRDY_OFFSET 0 -+#define MCI_CMDRDY_SIZE 1 -+#define MCI_RXRDY_OFFSET 1 -+#define MCI_RXRDY_SIZE 1 -+#define MCI_TXRDY_OFFSET 2 -+#define MCI_TXRDY_SIZE 1 -+#define MCI_BLKE_OFFSET 3 -+#define MCI_BLKE_SIZE 1 -+#define MCI_DTIP_OFFSET 4 -+#define MCI_DTIP_SIZE 1 -+#define MCI_NOTBUSY_OFFSET 5 -+#define MCI_NOTBUSY_SIZE 1 -+#define MCI_ENDRX_OFFSET 6 -+#define MCI_ENDRX_SIZE 1 -+#define MCI_ENDTX_OFFSET 7 -+#define MCI_ENDTX_SIZE 1 -+#define MCI_RXBUFF_OFFSET 14 -+#define MCI_RXBUFF_SIZE 1 -+#define MCI_TXBUFE_OFFSET 15 -+#define MCI_TXBUFE_SIZE 1 -+#define MCI_RINDE_OFFSET 16 -+#define MCI_RINDE_SIZE 1 -+#define MCI_RDIRE_OFFSET 17 -+#define MCI_RDIRE_SIZE 1 -+#define MCI_RCRCE_OFFSET 18 -+#define MCI_RCRCE_SIZE 1 -+#define MCI_RENDE_OFFSET 19 -+#define MCI_RENDE_SIZE 1 -+#define MCI_RTOE_OFFSET 20 -+#define MCI_RTOE_SIZE 1 -+#define MCI_DCRCE_OFFSET 21 -+#define MCI_DCRCE_SIZE 1 -+#define MCI_DTOE_OFFSET 22 -+#define MCI_DTOE_SIZE 1 -+#define MCI_OVRE_OFFSET 30 -+#define MCI_OVRE_SIZE 1 -+#define MCI_UNRE_OFFSET 31 -+#define MCI_UNRE_SIZE 1 -+ -+/* Constants for DTOMUL */ -+#define MCI_DTOMUL_1_CYCLE 0 -+#define MCI_DTOMUL_16_CYCLES 1 -+#define MCI_DTOMUL_128_CYCLES 2 -+#define MCI_DTOMUL_256_CYCLES 3 -+#define MCI_DTOMUL_1024_CYCLES 4 -+#define MCI_DTOMUL_4096_CYCLES 5 -+#define MCI_DTOMUL_65536_CYCLES 6 -+#define MCI_DTOMUL_1048576_CYCLES 7 -+ -+/* Constants for RSPTYP */ -+#define MCI_RSPTYP_NO_RESP 0 -+#define MCI_RSPTYP_48_BIT 1 -+#define MCI_RSPTYP_136_BIT 2 -+ -+/* Constants for SPCMD */ -+#define MCI_SPCMD_NO_SPEC_CMD 0 -+#define MCI_SPCMD_INIT_CMD 1 -+#define MCI_SPCMD_SYNC_CMD 2 -+#define MCI_SPCMD_INT_CMD 4 -+#define MCI_SPCMD_INT_RESP 5 -+ -+/* Constants for TRCMD */ -+#define MCI_TRCMD_NO_TRANS 0 -+#define MCI_TRCMD_START_TRANS 1 -+#define MCI_TRCMD_STOP_TRANS 2 -+ -+/* Constants for TRTYP */ -+#define MCI_TRTYP_BLOCK 0 -+#define MCI_TRTYP_MULTI_BLOCK 1 -+#define MCI_TRTYP_STREAM 2 -+ -+/* Bit manipulation macros */ -+#define MCI_BIT(name) \ -+ (1 << MCI_##name##_OFFSET) -+#define MCI_BF(name,value) \ -+ (((value) & ((1 << MCI_##name##_SIZE) - 1)) \ -+ << MCI_##name##_OFFSET) -+#define MCI_BFEXT(name,value) \ -+ (((value) >> MCI_##name##_OFFSET) \ -+ & ((1 << MCI_##name##_SIZE) - 1)) -+#define MCI_BFINS(name,value,old) \ -+ (((old) & ~(((1 << MCI_##name##_SIZE) - 1) \ -+ << MCI_##name##_OFFSET)) \ -+ | MCI_BF(name,value)) -+ -+/* Register access macros */ -+#define mci_readl(port,reg) \ -+ __raw_readl((port)->regs + MCI_##reg) -+#define mci_writel(port,reg,value) \ -+ __raw_writel((value), (port)->regs + MCI_##reg) -+ -+#endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */ -diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c -index f334959..e2ef662 100644 ---- a/drivers/mtd/chips/cfi_cmdset_0001.c -+++ b/drivers/mtd/chips/cfi_cmdset_0001.c -@@ -47,6 +47,7 @@ - #define I82802AC 0x00ac - #define MANUFACTURER_ST 0x0020 - #define M50LPW080 0x002F -+#define AT49BV640D 0x02de - - static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); - static int cfi_intelext_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); -@@ -153,6 +154,47 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp) - } - #endif - -+/* Atmel chips don't use the same PRI format as Intel chips */ -+static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) -+{ -+ struct map_info *map = mtd->priv; -+ struct cfi_private *cfi = map->fldrv_priv; -+ struct cfi_pri_intelext *extp = cfi->cmdset_priv; -+ struct cfi_pri_atmel atmel_pri; -+ uint32_t features = 0; -+ -+ /* Reverse byteswapping */ -+ extp->FeatureSupport = cpu_to_le32(extp->FeatureSupport); -+ extp->BlkStatusRegMask = cpu_to_le16(extp->BlkStatusRegMask); -+ extp->ProtRegAddr = cpu_to_le16(extp->ProtRegAddr); -+ -+ memcpy(&atmel_pri, extp, sizeof(atmel_pri)); -+ memset((char *)extp + 5, 0, sizeof(*extp) - 5); -+ -+ printk(KERN_ERR "atmel Features: %02x\n", atmel_pri.Features); -+ -+ if (atmel_pri.Features & 0x01) /* chip erase supported */ -+ features |= (1<<0); -+ if (atmel_pri.Features & 0x02) /* erase suspend supported */ -+ features |= (1<<1); -+ if (atmel_pri.Features & 0x04) /* program suspend supported */ -+ features |= (1<<2); -+ if (atmel_pri.Features & 0x08) /* simultaneous operations supported */ -+ features |= (1<<9); -+ if (atmel_pri.Features & 0x20) /* page mode read supported */ -+ features |= (1<<7); -+ if (atmel_pri.Features & 0x40) /* queued erase supported */ -+ features |= (1<<4); -+ if (atmel_pri.Features & 0x80) /* Protection bits supported */ -+ features |= (1<<6); -+ -+ extp->FeatureSupport = features; -+ -+ /* burst write mode not supported */ -+ cfi->cfiq->BufWriteTimeoutTyp = 0; -+ cfi->cfiq->BufWriteTimeoutMax = 0; -+} -+ - #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE - /* Some Intel Strata Flash prior to FPO revision C has bugs in this area */ - static void fixup_intel_strataflash(struct mtd_info *mtd, void* param) -@@ -221,6 +263,7 @@ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param) - } - - static struct cfi_fixup cfi_fixup_table[] = { -+ { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, - #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE - { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL }, - #endif -diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c -index 1f64458..205977b 100644 ---- a/drivers/mtd/chips/cfi_cmdset_0002.c -+++ b/drivers/mtd/chips/cfi_cmdset_0002.c -@@ -185,6 +185,10 @@ static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) - extp->TopBottom = 2; - else - extp->TopBottom = 3; -+ -+ /* burst write mode not supported */ -+ cfi->cfiq->BufWriteTimeoutTyp = 0; -+ cfi->cfiq->BufWriteTimeoutMax = 0; - } - - static void fixup_use_secsi(struct mtd_info *mtd, void *param) -@@ -217,6 +221,7 @@ static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param) - } - - static struct cfi_fixup cfi_fixup_table[] = { -+ { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, - #ifdef AMD_BOOTLOC_BUG - { CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL }, - #endif -@@ -229,7 +234,6 @@ static struct cfi_fixup cfi_fixup_table[] = { - #if !FORCE_WORD_WRITE - { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, }, - #endif -- { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, - { 0, 0, NULL, NULL } - }; - static struct cfi_fixup jedec_fixup_table[] = { -diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig -index 35f8864..29388e1 100644 ---- a/drivers/pcmcia/Kconfig -+++ b/drivers/pcmcia/Kconfig -@@ -270,6 +270,13 @@ config AT91_CF - Say Y here to support the CompactFlash controller on AT91 chips. - Or choose M to compile the driver as a module named "at91_cf". - -+config AT32_CF -+ tristate "AT32AP CompactFlash Controller" -+ depends on PCMCIA && AVR32 && PLATFORM_AT32AP -+ help -+ Say Y here to support the CompactFlash controller on AT32 chips. -+ Or choose M to compile the driver as a module named "at32_cf". -+ - config PCCARD_NONSTATIC - tristate - -diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile -index 4276965..08d7ffa 100644 ---- a/drivers/pcmcia/Makefile -+++ b/drivers/pcmcia/Makefile -@@ -37,6 +37,7 @@ obj-$(CONFIG_PCMCIA_VRC4171) += vrc4171_card.o - obj-$(CONFIG_PCMCIA_VRC4173) += vrc4173_cardu.o - obj-$(CONFIG_OMAP_CF) += omap_cf.o - obj-$(CONFIG_AT91_CF) += at91_cf.o -+obj-$(CONFIG_AT32_CF) += at32_cf.o - - sa11xx_core-y += soc_common.o sa11xx_base.o - pxa2xx_core-y += soc_common.o pxa2xx_base.o -diff --git a/drivers/pcmcia/at32_cf.c b/drivers/pcmcia/at32_cf.c -new file mode 100644 -index 0000000..7165c39 ---- /dev/null -+++ b/drivers/pcmcia/at32_cf.c -@@ -0,0 +1,506 @@ -+/* -+ * Driver for AVR32 Static Memory Controller: CompactFlash support -+ * -+ * Copyright (C) 2006 Atmel Norway -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License as -+ * published by the Free Software Foundation; either version 2 of the -+ * License, or (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -+ * 02111-1307, USA. -+ * -+ * The full GNU General Public License is included in this -+ * distribution in the file called COPYING. -+ */ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/platform_device.h> -+#include <linux/init.h> -+#include <linux/device.h> -+#include <linux/delay.h> -+#include <linux/interrupt.h> -+#include <linux/err.h> -+#include <linux/clk.h> -+#include <linux/dma-mapping.h> -+ -+#include <pcmcia/ss.h> -+ -+#include <asm/gpio.h> -+#include <asm/io.h> -+#include <asm/arch/board.h> -+ -+#include <asm/arch/smc.h> -+ -+struct at32_cf_socket { -+ struct pcmcia_socket socket; -+ int detect_pin; -+ int reset_pin; -+ int vcc_pin; -+ struct resource res_attr; -+ struct resource res_mem; -+ struct resource res_io; -+ struct smc_config smc; -+ unsigned int irq; -+ unsigned int cf_cs; -+ socket_state_t state; -+ unsigned present:1; -+}; -+#define to_at32_cf(sock) container_of(sock, struct at32_cf_socket, socket) -+ -+/* -+ * We have the following memory layout relative to the base address: -+ * -+ * Alt IDE Mode: 00e0 0000 -> 00ff ffff -+ * True IDE Mode: 00c0 0000 -> 00df ffff -+ * I/O memory: 0080 0000 -> 00bf ffff -+ * Common memory: 0040 0000 -> 007f ffff -+ * Attribute memory: 0000 0000 -> 003f ffff -+ */ -+#define CF_ATTR_OFFSET 0x00000000 -+#define CF_MEM_OFFSET 0x00400000 -+#define CF_IO_OFFSET 0x00800000 -+#define CF_RES_SIZE 2048 -+ -+#ifdef DEBUG -+ -+static int pc_debug; -+module_param(pc_debug, int, 0644); -+ -+static void at32_cf_debug(struct at32_cf_socket *cf, const char *func, -+ int level, const char *fmt, ...) -+{ -+ va_list args; -+ -+ if (pc_debug > level) { -+ printk(KERN_DEBUG "at32_cf/%u: %s: ", cf->cf_cs, func); -+ va_start(args, fmt); -+ vprintk(fmt, args); -+ va_end(args); -+ } -+} -+ -+#define debug(cf, lvl, fmt, arg...) \ -+ at32_cf_debug(cf, __func__, lvl, fmt, ##arg) -+ -+#else -+#define debug(cf, lvl, fmt, arg...) do { } while (0) -+#endif -+ -+static inline int at32_cf_present(struct at32_cf_socket *cf) -+{ -+ int present = 1; -+ -+ /* If we don't have a detect pin, assume the card is present */ -+ if (cf->detect_pin >= 0) -+ present = !gpio_get_value(cf->detect_pin); -+ -+ return present; -+} -+ -+static irqreturn_t at32_cf_irq(int irq, void *dev_id) -+{ -+ struct at32_cf_socket *cf = dev_id; -+ unsigned int present; -+ -+ present = at32_cf_present(cf); -+ if (present != cf->present) { -+ cf->present = present; -+ debug(cf, 3, "card %s\n", present ? "present" : "gone"); -+ pcmcia_parse_events(&cf->socket, SS_DETECT); -+ } -+ -+ return IRQ_HANDLED; -+} -+ -+static int at32_cf_get_status(struct pcmcia_socket *sock, u_int *value) -+{ -+ struct at32_cf_socket *cf; -+ u_int status = 0; -+ -+ cf = container_of(sock, struct at32_cf_socket, socket); -+ -+ if (at32_cf_present(cf)) { -+ /* NOTE: gpio on AP7xxx is 3.3V */ -+ status = SS_DETECT | SS_3VCARD | SS_READY; -+ if (cf->vcc_pin < 0 || gpio_get_value(cf->vcc_pin)) -+ status |= SS_POWERON; -+ } -+ -+ *value = status; -+ return 0; -+} -+ -+static int at32_cf_set_socket(struct pcmcia_socket *sock, socket_state_t *state) -+{ -+ struct at32_cf_socket *cf = container_of(sock, struct at32_cf_socket, socket); -+ -+ debug(cf, 2, "mask: %s%s%s%s%s%sflags: %s%s%s%s%s%sVcc %d Vpp %d irq %d\n", -+ (state->csc_mask==0)?"<NONE> ":"", -+ (state->csc_mask&SS_DETECT)?"DETECT ":"", -+ (state->csc_mask&SS_READY)?"READY ":"", -+ (state->csc_mask&SS_BATDEAD)?"BATDEAD ":"", -+ (state->csc_mask&SS_BATWARN)?"BATWARN ":"", -+ (state->csc_mask&SS_STSCHG)?"STSCHG ":"", -+ (state->flags==0)?"<NONE> ":"", -+ (state->flags&SS_PWR_AUTO)?"PWR_AUTO ":"", -+ (state->flags&SS_IOCARD)?"IOCARD ":"", -+ (state->flags&SS_RESET)?"RESET ":"", -+ (state->flags&SS_SPKR_ENA)?"SPKR_ENA ":"", -+ (state->flags&SS_OUTPUT_ENA)?"OUTPUT_ENA ":"", -+ state->Vcc, state->Vpp, state->io_irq); -+ -+ /* -+ * TODO: Allow boards to override this in case they have level -+ * converters. -+ */ -+ switch (state->Vcc) { -+ case 0: -+ if (cf->vcc_pin >= 0) -+ gpio_set_value(cf->vcc_pin, 0); -+ break; -+ case 33: -+ if (cf->vcc_pin >= 0) -+ gpio_set_value(cf->vcc_pin, 1); -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ if (cf->reset_pin >= 0) -+ gpio_set_value(cf->reset_pin, state->flags & SS_RESET); -+ -+ cf->state = *state; -+ -+ return 0; -+} -+ -+static int at32_cf_socket_init(struct pcmcia_socket *sock) -+{ -+#ifdef DEBUG -+ struct at32_cf_socket *cf = to_at32_cf(sock); -+ debug(cf, 2, "called\n"); -+#endif -+ return 0; -+} -+ -+static int at32_cf_suspend(struct pcmcia_socket *sock) -+{ -+#ifdef DEBUG -+ struct at32_cf_socket *cf = to_at32_cf(sock); -+ debug(cf, 2, "called\n"); -+#endif -+ at32_cf_set_socket(sock, &dead_socket); -+ -+ return 0; -+} -+ -+static int at32_cf_set_io_map(struct pcmcia_socket *sock, -+ struct pccard_io_map *map) -+{ -+ struct at32_cf_socket *cf = container_of(sock, struct at32_cf_socket, socket); -+ int retval; -+ -+ debug(cf, 2, "map %u speed %u start 0x%08x stop 0x%08x\n", -+ map->map, map->speed, map->start, map->stop); -+ debug(cf, 2, "flags: %s%s%s%s%s%s%s%s\n", -+ (map->flags == 0) ? "<NONE>":"", -+ (map->flags & MAP_ACTIVE) ? "ACTIVE " : "", -+ (map->flags & MAP_16BIT) ? "16BIT " : "", -+ (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "", -+ (map->flags & MAP_0WS) ? "0WS " : "", -+ (map->flags & MAP_WRPROT) ? "WRPROT " : "", -+ (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : "", -+ (map->flags & MAP_PREFETCH) ? "PREFETCH " : ""); -+ -+ map->flags &= MAP_ACTIVE | MAP_16BIT | MAP_USE_WAIT; -+ -+ if (map->flags & MAP_16BIT) -+ cf->smc.bus_width = 2; -+ else -+ cf->smc.bus_width = 1; -+ -+ if (map->flags & MAP_USE_WAIT) -+ cf->smc.nwait_mode = 3; -+ else -+ cf->smc.nwait_mode = 0; -+ -+ retval = smc_set_configuration(cf->cf_cs, &cf->smc); -+ if (retval) { -+ printk(KERN_ERR "at32_cf: could not set up SMC for I/O\n"); -+ return retval; -+ } -+ -+ map->start = cf->socket.io_offset; -+ map->stop = map->start + CF_RES_SIZE - 1; -+ -+ return 0; -+} -+ -+static int -+at32_cf_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map) -+{ -+ struct at32_cf_socket *cf; -+ -+ cf = container_of(sock, struct at32_cf_socket, socket); -+ -+ debug(cf, 2, "map %u speed %u card_start %08x\n", -+ map->map, map->speed, map->card_start); -+ debug(cf, 2, "flags: %s%s%s%s%s%s%s%s\n", -+ (map->flags==0)?"<NONE>":"", -+ (map->flags&MAP_ACTIVE)?"ACTIVE ":"", -+ (map->flags&MAP_16BIT)?"16BIT ":"", -+ (map->flags&MAP_AUTOSZ)?"AUTOSZ ":"", -+ (map->flags&MAP_0WS)?"0WS ":"", -+ (map->flags&MAP_WRPROT)?"WRPROT ":"", -+ (map->flags&MAP_ATTRIB)?"ATTRIB ":"", -+ (map->flags&MAP_USE_WAIT)?"USE_WAIT ":""); -+ -+ if (map->card_start) -+ return -EINVAL; -+ -+ map->flags &= MAP_ACTIVE | MAP_ATTRIB | MAP_16BIT; -+ -+ if (map->flags & MAP_ATTRIB) -+ map->static_start = cf->res_attr.start; -+ else -+ map->static_start = cf->res_mem.start; -+ -+ return 0; -+} -+ -+static struct pccard_operations at32_cf_ops = { -+ .init = at32_cf_socket_init, -+ .suspend = at32_cf_suspend, -+ .get_status = at32_cf_get_status, -+ .set_socket = at32_cf_set_socket, -+ .set_io_map = at32_cf_set_io_map, -+ .set_mem_map = at32_cf_set_mem_map, -+}; -+ -+static int __init request_pin(struct platform_device *pdev, -+ unsigned int pin, const char *name) -+{ -+ if (gpio_request(pin, name)) { -+ dev_warn(&pdev->dev, "failed to request %s pin\n", name); -+ return -1; -+ } -+ -+ return pin; -+} -+ -+static int __init at32_cf_probe(struct platform_device *pdev) -+{ -+ struct at32_cf_socket *cf; -+ struct cf_platform_data *board = pdev->dev.platform_data; -+ struct resource *res_skt; -+ int irq; -+ int ret; -+ -+ dev_dbg(&pdev->dev, "probe"); -+ -+ if (!board) -+ return -ENXIO; -+ -+ res_skt = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!res_skt) -+ return -ENXIO; -+ -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) -+ return irq; -+ -+ cf = kzalloc(sizeof(struct at32_cf_socket), GFP_KERNEL); -+ if (!cf) -+ return -ENOMEM; -+ -+ cf->detect_pin = -1; -+ cf->reset_pin = -1; -+ cf->vcc_pin = -1; -+ cf->cf_cs = board->cs; -+ -+ if (board->detect_pin) -+ cf->detect_pin = request_pin(pdev, board->detect_pin, -+ "cf_detect"); -+ if (board->reset_pin) -+ cf->reset_pin = request_pin(pdev, board->reset_pin, -+ "cf_reset"); -+ if (board->vcc_pin) -+ cf->vcc_pin = request_pin(pdev, board->reset_pin, -+ "cf_vcc"); -+ -+ debug(cf, 2, "pins: detect=%d reset=%d vcc=%d\n", -+ cf->detect_pin, cf->reset_pin, cf->vcc_pin); -+ -+ cf->socket.pci_irq = irq; -+ cf->socket.ops = &at32_cf_ops; -+ cf->socket.resource_ops = &pccard_static_ops; -+ cf->socket.dev.parent = &pdev->dev; -+ cf->socket.owner = THIS_MODULE; -+ cf->socket.features = -+ SS_CAP_MEM_ALIGN | SS_CAP_STATIC_MAP | SS_CAP_PCCARD; -+ cf->socket.map_size = CF_RES_SIZE; -+ -+ cf->res_attr.start = res_skt->start + CF_ATTR_OFFSET; -+ cf->res_attr.end = cf->res_attr.start + CF_RES_SIZE - 1; -+ cf->res_attr.name = "attribute"; -+ cf->res_attr.flags = IORESOURCE_MEM; -+ ret = request_resource(res_skt, &cf->res_attr); -+ if (ret) -+ goto err_request_res_attr; -+ -+ cf->res_mem.start = res_skt->start + CF_MEM_OFFSET; -+ cf->res_mem.end = cf->res_mem.start + CF_RES_SIZE - 1; -+ cf->res_mem.name = "memory"; -+ cf->res_mem.flags = IORESOURCE_MEM; -+ ret = request_resource(res_skt, &cf->res_mem); -+ if (ret) -+ goto err_request_res_mem; -+ -+ cf->res_io.start = res_skt->start + CF_IO_OFFSET; -+ cf->res_io.end = cf->res_io.start + CF_RES_SIZE - 1; -+ cf->res_io.name = "io"; -+ cf->res_io.flags = IORESOURCE_MEM; -+ ret = request_resource(res_skt, &cf->res_io); -+ if (ret) -+ goto err_request_res_io; -+ -+ cf->socket.io_offset = cf->res_io.start; -+ -+ if (cf->detect_pin >= 0) { -+ ret = request_irq(gpio_to_irq(cf->detect_pin), at32_cf_irq, -+ IRQF_SHARED, "cf_detect", cf); -+ if (ret) { -+ debug(cf, 1, -+ "failed to request cf_detect interrupt\n"); -+ goto err_detect_irq; -+ } -+ } -+ -+ /* Setup SMC timings */ -+ cf->smc.ncs_read_setup = 30; -+ cf->smc.nrd_setup = 75; -+ cf->smc.ncs_write_setup = 30; -+ cf->smc.nwe_setup = 75; -+ -+ cf->smc.ncs_read_pulse = 240; -+ cf->smc.nrd_pulse = 165; -+ cf->smc.ncs_write_pulse = 240; -+ cf->smc.nwe_pulse = 165; -+ -+ cf->smc.read_cycle = 300; -+ cf->smc.write_cycle = 300; -+ -+ cf->smc.bus_width = 2; -+ cf->smc.nrd_controlled = 1; -+ cf->smc.nwe_controlled = 1; -+ cf->smc.nwait_mode = 0; -+ cf->smc.byte_write = 0; -+ cf->smc.tdf_cycles = 1; -+ cf->smc.tdf_mode = 0; -+ -+ ret = smc_set_configuration(cf->cf_cs, &cf->smc); -+ if (ret) { -+ debug(cf, 1, "failed to configure SMC\n", ret); -+ goto err_smc; -+ } -+ -+ ret = pcmcia_register_socket(&cf->socket); -+ if (ret) { -+ debug(cf, 1, "failed to register socket: %d\n", ret); -+ goto err_register_socket; -+ } -+ -+ if (cf->reset_pin >= 0) { -+ gpio_direction_output(cf->reset_pin, 0); -+ } -+ -+ platform_set_drvdata(pdev, cf); -+ -+ dev_info(&pdev->dev, "Atmel SMC CF interface at 0x%08lx\n", -+ (unsigned long)res_skt->start); -+ -+ return 0; -+ -+err_register_socket: -+err_smc: -+ if (cf->detect_pin >= 0) -+ free_irq(gpio_to_irq(cf->detect_pin), cf); -+err_detect_irq: -+ release_resource(&cf->res_io); -+err_request_res_io: -+ release_resource(&cf->res_mem); -+err_request_res_mem: -+ release_resource(&cf->res_attr); -+err_request_res_attr: -+ if (cf->vcc_pin >= 0) -+ gpio_free(cf->vcc_pin); -+ if (cf->reset_pin >= 0) -+ gpio_free(cf->reset_pin); -+ if (cf->detect_pin >= 0) -+ gpio_free(cf->detect_pin); -+ kfree(cf); -+ -+ return ret; -+} -+ -+static int __exit at32_cf_remove(struct platform_device *pdev) -+{ -+ struct at32_cf_socket *cf = platform_get_drvdata(pdev); -+ -+ pcmcia_unregister_socket(&cf->socket); -+ if (cf->detect_pin >= 0) { -+ free_irq(gpio_to_irq(cf->detect_pin), cf); -+ gpio_free(cf->detect_pin); -+ } -+ if (cf->vcc_pin >= 0) -+ gpio_free(cf->vcc_pin); -+ if (cf->reset_pin >= 0) -+ gpio_free(cf->reset_pin); -+ -+ release_resource(&cf->res_io); -+ release_resource(&cf->res_mem); -+ release_resource(&cf->res_attr); -+ kfree(cf); -+ platform_set_drvdata(pdev, NULL); -+ -+ return 0; -+} -+ -+static struct platform_driver at32_cf_driver = { -+ .remove = __exit_p(at32_cf_remove), -+ .driver = { -+ .name = "at32_cf", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init at32_cf_init(void) -+{ -+ int ret; -+ -+ ret = platform_driver_probe(&at32_cf_driver, at32_cf_probe); -+ if (ret) -+ printk(KERN_ERR "at32_cf: probe failed: %d\n", ret); -+ return ret; -+} -+ -+static void __exit at32_cf_exit(void) -+{ -+ platform_driver_unregister(&at32_cf_driver); -+} -+ -+module_init(at32_cf_init); -+module_exit(at32_cf_exit); -+ -+MODULE_LICENSE("GPL"); -+MODULE_DESCRIPTION("Driver for SMC PCMCIA interface"); -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c -index d154dee..5a464ec 100644 ---- a/drivers/pcmcia/cistpl.c -+++ b/drivers/pcmcia/cistpl.c -@@ -1091,7 +1091,7 @@ static int parse_cftable_entry(tuple_t *tuple, - break; - case 0x20: - entry->mem.nwin = 1; -- entry->mem.win[0].len = le16_to_cpu(*(__le16 *)p) << 8; -+ entry->mem.win[0].len = (p[0] << 8) | (p[1] << 16); - entry->mem.win[0].card_addr = 0; - entry->mem.win[0].host_addr = 0; - p += 2; -@@ -1099,9 +1099,8 @@ static int parse_cftable_entry(tuple_t *tuple, - break; - case 0x40: - entry->mem.nwin = 1; -- entry->mem.win[0].len = le16_to_cpu(*(__le16 *)p) << 8; -- entry->mem.win[0].card_addr = -- le16_to_cpu(*(__le16 *)(p+2)) << 8; -+ entry->mem.win[0].len = (p[0] << 8) | (p[1] << 16); -+ entry->mem.win[0].card_addr = (p[2] << 8) | (p[3] << 16); - entry->mem.win[0].host_addr = 0; - p += 4; - if (p > q) return CS_BAD_TUPLE; -diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig -index 95826b9..ee96d77 100644 ---- a/drivers/rtc/Kconfig -+++ b/drivers/rtc/Kconfig -@@ -313,6 +313,13 @@ config RTC_DRV_PL031 - To compile this driver as a module, choose M here: the - module will be called rtc-pl031. - -+config RTC_DRV_AT32AP700X -+ tristate "AT32AP700X series RTC" -+ depends on RTC_CLASS && PLATFORM_AT32AP -+ help -+ Driver for the internal RTC (Realtime Clock) on Atmel AVR32 -+ AT32AP700x family processors. -+ - config RTC_DRV_AT91RM9200 - tristate "AT91RM9200" - depends on RTC_CLASS && ARCH_AT91RM9200 -diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile -index 92bfe1b..d36d987 100644 ---- a/drivers/rtc/Makefile -+++ b/drivers/rtc/Makefile -@@ -19,6 +19,7 @@ obj-$(CONFIG_RTC_DRV_CMOS) += rtc-cmos.o - obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o - obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o - obj-$(CONFIG_RTC_DRV_TEST) += rtc-test.o -+obj-$(CONFIG_RTC_DRV_AT32AP700X) += rtc-at32ap700x.o - obj-$(CONFIG_RTC_DRV_DS1307) += rtc-ds1307.o - obj-$(CONFIG_RTC_DRV_DS1672) += rtc-ds1672.o - obj-$(CONFIG_RTC_DRV_DS1742) += rtc-ds1742.o -diff --git a/drivers/rtc/rtc-at32ap700x.c b/drivers/rtc/rtc-at32ap700x.c -new file mode 100644 -index 0000000..a59b7c1 ---- /dev/null -+++ b/drivers/rtc/rtc-at32ap700x.c -@@ -0,0 +1,319 @@ -+/* -+ * An RTC driver for the AVR32 AT32AP700x processor series -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published by -+ * the Free Software Foundation. -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/platform_device.h> -+#include <linux/rtc.h> -+ -+#include <asm/io.h> -+ -+/* This is a bare-bones RTC. It runs during most system sleep states, but has -+ * no battery backup and gets reset during system restart. It must be -+ * initialized from an external clock (network, I2C, etc) before it can be of -+ * much use. -+ * -+ * The alarm functionality is limited by the hardware, not supporting periodic -+ * interrupts. -+ */ -+ -+#define RTC_CTRL 0x00 -+#define RTC_CTRL_EN 0 -+#define RTC_CTRL_PCLR 1 -+#define RTC_CTRL_TOPEN 2 -+#define RTC_CTRL_PSEL 8 -+ -+#define RTC_VAL 0x04 -+ -+#define RTC_TOP 0x08 -+ -+#define RTC_IER 0x10 -+#define RTC_IER_TOPI 0 -+ -+#define RTC_IDR 0x14 -+#define RTC_IDR_TOPI 0 -+ -+#define RTC_IMR 0x18 -+#define RTC_IMR_TOPI 0 -+ -+#define RTC_ISR 0x1c -+#define RTC_ISR_TOPI 0 -+ -+#define RTC_ICR 0x20 -+#define RTC_ICR_TOPI 0 -+ -+#define RTC_BIT(name) (1 << RTC_##name) -+#define RTC_BF(name,value) ((value) << RTC_##name) -+ -+#define rtc_readl(dev,reg) \ -+ __raw_readl((dev)->regs + RTC_##reg) -+#define rtc_writel(dev,reg,value) \ -+ __raw_writel((value), (dev)->regs + RTC_##reg) -+ -+struct rtc_at32ap700x { -+ struct rtc_device *rtc; -+ void __iomem *regs; -+ unsigned long alarm_time; -+ unsigned long irq; -+ spinlock_t lock; -+}; -+ -+static int at32_rtc_readtime(struct device *dev, struct rtc_time *tm) -+{ -+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev); -+ unsigned long now; -+ -+ now = rtc_readl(rtc, VAL); -+ rtc_time_to_tm(now, tm); -+ -+ return 0; -+} -+ -+static int at32_rtc_settime(struct device *dev, struct rtc_time *tm) -+{ -+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev); -+ unsigned long now; -+ int ret; -+ -+ ret = rtc_tm_to_time(tm, &now); -+ if (ret == 0) -+ rtc_writel(rtc, VAL, now); -+ -+ return ret; -+} -+ -+static int at32_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm) -+{ -+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev); -+ struct rtc_time tm; -+ -+ rtc_time_to_tm(rtc->alarm_time, &tm); -+ alrm->time = tm; -+ alrm->pending = rtc_readl(rtc, IMR) & RTC_BIT(IMR_TOPI) ? 1 : 0; -+ -+ return 0; -+} -+ -+static int at32_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) -+{ -+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev); -+ struct rtc_time tm; -+ unsigned long rtc_unix_time; -+ unsigned long alarm_unix_time; -+ int ret; -+ -+ rtc_unix_time = rtc_readl(rtc, VAL); -+ rtc_time_to_tm(rtc_unix_time, &tm); -+ -+ /* RTC does only support one alarm time, not periodic */ -+ if (alrm->time.tm_mday < 1) { -+ alrm->time.tm_mday = tm.tm_mday; -+ alrm->time.tm_mon = tm.tm_mon; -+ alrm->time.tm_year = tm.tm_year; -+ alrm->time.tm_wday = tm.tm_wday; -+ alrm->time.tm_yday = tm.tm_yday; -+ } -+ -+ ret = rtc_tm_to_time(&alrm->time, &alarm_unix_time); -+ if (ret) -+ return ret; -+ -+ if (alarm_unix_time < rtc_unix_time) -+ return -EINVAL; -+ -+ spin_lock_irq(&rtc->lock); -+ rtc->alarm_time = alarm_unix_time; -+ rtc_writel(rtc, TOP, rtc->alarm_time); -+ if (alrm->pending) -+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL) -+ | RTC_BIT(CTRL_TOPEN)); -+ else -+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL) -+ & ~RTC_BIT(CTRL_TOPEN)); -+ spin_unlock_irq(&rtc->lock); -+ -+ return ret; -+} -+ -+static int at32_rtc_ioctl(struct device *dev, unsigned int cmd, -+ unsigned long arg) -+{ -+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev); -+ int ret = 0; -+ -+ switch (cmd) { -+ case RTC_AIE_ON: -+ spin_lock_irq(&rtc->lock); -+ if (rtc_readl(rtc, VAL) > rtc->alarm_time) -+ return -EINVAL; -+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL) -+ | RTC_BIT(CTRL_TOPEN)); -+ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI)); -+ rtc_writel(rtc, IER, RTC_BIT(IER_TOPI)); -+ spin_unlock_irq(&rtc->lock); -+ break; -+ case RTC_AIE_OFF: -+ spin_lock_irq(&rtc->lock); -+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL) -+ & ~RTC_BIT(CTRL_TOPEN)); -+ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI)); -+ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI)); -+ spin_unlock_irq(&rtc->lock); -+ break; -+ default: -+ ret = -ENOIOCTLCMD; -+ break; -+ } -+ -+ return ret; -+} -+ -+static irqreturn_t at32_rtc_interrupt(int irq, void *dev_id) -+{ -+ struct rtc_at32ap700x *rtc = (struct rtc_at32ap700x *)dev_id; -+ unsigned long isr = rtc_readl(rtc, ISR); -+ unsigned long events = 0; -+ -+ spin_lock(&rtc->lock); -+ -+ if (isr & RTC_BIT(ISR_TOPI)) { -+ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI)); -+ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI)); -+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL) -+ & ~RTC_BIT(CTRL_TOPEN)); -+ rtc_writel(rtc, VAL, rtc->alarm_time); -+ events = RTC_AF | RTC_IRQF; -+ rtc_update_irq(&rtc->rtc->class_dev, 1, events); -+ } -+ -+ spin_unlock(&rtc->lock); -+ -+ return IRQ_HANDLED; -+} -+ -+static struct rtc_class_ops at32_rtc_ops = { -+ .ioctl = at32_rtc_ioctl, -+ .read_time = at32_rtc_readtime, -+ .set_time = at32_rtc_settime, -+ .read_alarm = at32_rtc_readalarm, -+ .set_alarm = at32_rtc_setalarm, -+}; -+ -+static int __devinit at32_rtc_probe(struct platform_device *pdev) -+{ -+ struct resource *regs; -+ struct rtc_at32ap700x *rtc; -+ int irq = -1; -+ int ret; -+ -+ rtc = kmalloc(sizeof(struct rtc_at32ap700x), GFP_KERNEL); -+ if (!rtc) { -+ ret = -ENOMEM; -+ goto out; -+ } -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) { -+ printk(KERN_ERR "rtc: no mmio resource defined for RTC\n"); -+ ret = -ENXIO; -+ goto out; -+ } -+ -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) { -+ printk(KERN_ERR "rtc: could not get irq\n"); -+ ret = -ENXIO; -+ goto out; -+ } -+ -+ ret = request_irq(irq, at32_rtc_interrupt, IRQF_SHARED, "rtc", rtc); -+ if (ret) { -+ printk(KERN_ERR "rtc: could not request irq%d\n", irq); -+ goto out; -+ } -+ -+ rtc->irq = irq; -+ rtc->alarm_time = 0; -+ rtc->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ spin_lock_init(&rtc->lock); -+ -+ /* Maybe init RTC: count from zero at 1 Hz, disable wrap irq */ -+ /* Do not reset VAL register, as it can hold an old time -+ * from last JTAG reset. */ -+ if (!(rtc_readl(rtc, CTRL) & RTC_BIT(CTRL_EN))) { -+ rtc_writel(rtc, CTRL, RTC_BIT(CTRL_PCLR)); -+ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI)); -+ rtc_writel(rtc, CTRL, RTC_BF(CTRL_PSEL, 0xe) -+ | RTC_BIT(CTRL_EN)); -+ } -+ -+ /* REVISIT init in arch code if wdt or rtc is enabled; this -+ * affects both... -+ */ -+ -+ rtc->rtc = rtc_device_register(pdev->name, &pdev->dev, -+ &at32_rtc_ops, THIS_MODULE); -+ if (IS_ERR(rtc->rtc)) { -+ ret = PTR_ERR(rtc->rtc); -+ goto out_free_irq; -+ } -+ -+ platform_set_drvdata(pdev, rtc); -+ -+ printk(KERN_INFO "Atmel RTC for AT32AP700x at %08lx irq %ld\n", -+ (unsigned long)rtc->regs, rtc->irq); -+ -+ return 0; -+ -+out_free_irq: -+ free_irq(irq, rtc); -+ iounmap(rtc->regs); -+out: -+ kfree(rtc); -+ return ret; -+} -+ -+static int __devexit at32_rtc_remove(struct platform_device *pdev) -+{ -+ struct rtc_at32ap700x *rtc = platform_get_drvdata(pdev); -+ -+ if (rtc->irq >= 0) -+ free_irq(rtc->irq, rtc); -+ if (rtc->regs) -+ iounmap(rtc->regs); -+ rtc_device_unregister(rtc->rtc); -+ kfree(rtc); -+ platform_set_drvdata(pdev, NULL); -+ -+ return 0; -+} -+ -+static struct platform_driver at32_rtc_driver = { -+ .remove = __exit_p(at32_rtc_remove), -+ .driver = { -+ .name = "rtc", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init at32_rtc_init(void) -+{ -+ return platform_driver_probe(&at32_rtc_driver, at32_rtc_probe); -+} -+ -+static void __exit at32_rtc_exit(void) -+{ -+ platform_driver_unregister(&at32_rtc_driver); -+} -+ -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -+MODULE_DESCRIPTION("Real time counter for AVR32 AT32AP700x"); -+MODULE_LICENSE("GPL"); -+ -+module_init(at32_rtc_init); -+module_exit(at32_rtc_exit); -diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c -index 935f48f..4d6b3c5 100644 ---- a/drivers/serial/atmel_serial.c -+++ b/drivers/serial/atmel_serial.c -@@ -114,6 +114,7 @@ struct atmel_uart_port { - struct uart_port uart; /* uart */ - struct clk *clk; /* uart clock */ - unsigned short suspended; /* is port suspended? */ -+ int break_active; /* break being received */ - }; - - static struct atmel_uart_port atmel_ports[ATMEL_MAX_UART]; -@@ -252,6 +253,7 @@ static void atmel_break_ctl(struct uart_port *port, int break_state) - */ - static void atmel_rx_chars(struct uart_port *port) - { -+ struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; - struct tty_struct *tty = port->info->tty; - unsigned int status, ch, flg; - -@@ -267,13 +269,29 @@ static void atmel_rx_chars(struct uart_port *port) - * note that the error handling code is - * out of the main execution path - */ -- if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME | ATMEL_US_OVRE | ATMEL_US_RXBRK))) { -+ if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME -+ | ATMEL_US_OVRE | ATMEL_US_RXBRK) -+ || atmel_port->break_active)) { - UART_PUT_CR(port, ATMEL_US_RSTSTA); /* clear error */ -- if (status & ATMEL_US_RXBRK) { -+ if (status & ATMEL_US_RXBRK -+ && !atmel_port->break_active) { - status &= ~(ATMEL_US_PARE | ATMEL_US_FRAME); /* ignore side-effect */ - port->icount.brk++; -+ atmel_port->break_active = 1; -+ UART_PUT_IER(port, ATMEL_US_RXBRK); - if (uart_handle_break(port)) - goto ignore_char; -+ } else { -+ /* -+ * This is either the end-of-break -+ * condition or we've received at -+ * least one character without RXBRK -+ * being set. In both cases, the next -+ * RXBRK will indicate start-of-break. -+ */ -+ UART_PUT_IDR(port, ATMEL_US_RXBRK); -+ status &= ~ATMEL_US_RXBRK; -+ atmel_port->break_active = 0; - } - if (status & ATMEL_US_PARE) - port->icount.parity++; -@@ -352,6 +370,16 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id) - /* Interrupt receive */ - if (pending & ATMEL_US_RXRDY) - atmel_rx_chars(port); -+ else if (pending & ATMEL_US_RXBRK) { -+ /* -+ * End of break detected. If it came along -+ * with a character, atmel_rx_chars will -+ * handle it. -+ */ -+ UART_PUT_CR(port, ATMEL_US_RSTSTA); -+ UART_PUT_IDR(port, ATMEL_US_RXBRK); -+ atmel_port->break_active = 0; -+ } - - // TODO: All reads to CSR will clear these interrupts! - if (pending & ATMEL_US_RIIC) port->icount.rng++; -@@ -484,11 +512,16 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios * termios, - unsigned long flags; - unsigned int mode, imr, quot, baud; - -+ /* Get current mode register */ -+ mode = UART_GET_MR(port) & ~(ATMEL_US_USCLKS | ATMEL_US_CHRL | ATMEL_US_NBSTOP | ATMEL_US_PAR); -+ - baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); - quot = uart_get_divisor(port, baud); - -- /* Get current mode register */ -- mode = UART_GET_MR(port) & ~(ATMEL_US_CHRL | ATMEL_US_NBSTOP | ATMEL_US_PAR); -+ if (quot > 65535) { /* BRGR is 16-bit, so switch to slower clock */ -+ quot /= 8; -+ mode |= ATMEL_US_USCLKS_MCK_DIV8; -+ } - - /* byte size */ - switch (termios->c_cflag & CSIZE) { -diff --git a/drivers/serial/atmel_serial.h b/drivers/serial/atmel_serial.h -index 11b4436..e014177 100644 ---- a/drivers/serial/atmel_serial.h -+++ b/drivers/serial/atmel_serial.h -@@ -46,6 +46,9 @@ - #define ATMEL_US_USMODE_ISO7816_T1 6 - #define ATMEL_US_USMODE_IRDA 8 - #define ATMEL_US_USCLKS (3 << 4) /* Clock Selection */ -+#define ATMEL_US_USCLKS_MCK (0 << 4) -+#define ATMEL_US_USCLKS_MCK_DIV8 (1 << 4) -+#define ATMEL_US_USCLKS_SCK (3 << 4) - #define ATMEL_US_CHRL (3 << 6) /* Character Length */ - #define ATMEL_US_CHRL_5 (0 << 6) - #define ATMEL_US_CHRL_6 (1 << 6) -diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c -index 66e7bc9..8f5453f 100644 ---- a/drivers/spi/atmel_spi.c -+++ b/drivers/spi/atmel_spi.c -@@ -22,10 +22,7 @@ - #include <asm/io.h> - #include <asm/arch/board.h> - #include <asm/arch/gpio.h> -- --#ifdef CONFIG_ARCH_AT91 - #include <asm/arch/cpu.h> --#endif - - #include "atmel_spi.h" - -@@ -116,16 +113,16 @@ static void atmel_spi_next_xfer(struct spi_master *master, - - len = as->remaining_bytes; - -- tx_dma = xfer->tx_dma; -- rx_dma = xfer->rx_dma; -+ tx_dma = xfer->tx_dma + xfer->len - len; -+ rx_dma = xfer->rx_dma + xfer->len - len; - - /* use scratch buffer only when rx or tx data is unspecified */ -- if (rx_dma == INVALID_DMA_ADDRESS) { -+ if (!xfer->rx_buf) { - rx_dma = as->buffer_dma; - if (len > BUFFER_SIZE) - len = BUFFER_SIZE; - } -- if (tx_dma == INVALID_DMA_ADDRESS) { -+ if (!xfer->tx_buf) { - tx_dma = as->buffer_dma; - if (len > BUFFER_SIZE) - len = BUFFER_SIZE; -@@ -415,8 +412,8 @@ static int atmel_spi_setup(struct spi_device *spi) - csr |= SPI_BIT(NCPHA); - - /* TODO: DLYBS and DLYBCT */ -- csr |= SPI_BF(DLYBS, 10); -- csr |= SPI_BF(DLYBCT, 10); -+ csr |= SPI_BF(DLYBS, 0); -+ csr |= SPI_BF(DLYBCT, 0); - - /* chipselect must have been muxed as GPIO (e.g. in board setup) */ - npcs_pin = (unsigned int)spi->controller_data; -@@ -552,10 +549,8 @@ static int __init atmel_spi_probe(struct platform_device *pdev) - goto out_free_buffer; - as->irq = irq; - as->clk = clk; --#ifdef CONFIG_ARCH_AT91 - if (!cpu_is_at91rm9200()) - as->new_1 = 1; --#endif - - ret = request_irq(irq, atmel_spi_interrupt, 0, - pdev->dev.bus_id, master); -diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig -index 8372ace..2fcbbd4 100644 ---- a/drivers/video/Kconfig -+++ b/drivers/video/Kconfig -@@ -674,6 +674,22 @@ config FB_S1D13XXX - working with S1D13806). Product specs at - <http://www.erd.epson.com/vdc/html/legacy_13xxx.htm> - -+config FB_ATMEL -+ tristate "AT91/AT32 LCD Controller support" -+ depends on FB && (ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || AVR32) -+ select FB_CFB_FILLRECT -+ select FB_CFB_COPYAREA -+ select FB_CFB_IMAGEBLIT -+ help -+ This enables support for the AT91/AT32 LCD Controller. -+ -+config FB_INTSRAM -+ bool "Frame Buffer in internal SRAM" -+ depends on FB_ATMEL && ARCH_AT91SAM9261 -+ help -+ Say Y if you want to map Frame Buffer in internal SRAM. Say N if you want -+ to let frame buffer in external SDRAM. -+ - config FB_NVIDIA - tristate "nVidia Framebuffer Support" - depends on FB && PCI -diff --git a/drivers/video/Makefile b/drivers/video/Makefile -index 760305c..17a09c6 100644 ---- a/drivers/video/Makefile -+++ b/drivers/video/Makefile -@@ -75,6 +75,7 @@ obj-$(CONFIG_FB_G364) += g364fb.o - obj-$(CONFIG_FB_SA1100) += sa1100fb.o - obj-$(CONFIG_FB_HIT) += hitfb.o - obj-$(CONFIG_FB_EPSON1355) += epson1355fb.o -+obj-$(CONFIG_FB_ATMEL) += atmel_lcdfb.o - obj-$(CONFIG_FB_PVR2) += pvr2fb.o - obj-$(CONFIG_FB_VOODOO1) += sstfb.o - obj-$(CONFIG_FB_ARMCLCD) += amba-clcd.o -diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c -new file mode 100644 -index 0000000..e1d5bd0 ---- /dev/null -+++ b/drivers/video/atmel_lcdfb.c -@@ -0,0 +1,752 @@ -+/* -+ * Driver for AT91/AT32 LCD Controller -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file COPYING in the main directory of this archive for -+ * more details. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/platform_device.h> -+#include <linux/dma-mapping.h> -+#include <linux/interrupt.h> -+#include <linux/clk.h> -+#include <linux/fb.h> -+#include <linux/init.h> -+#include <linux/delay.h> -+ -+#include <asm/arch/board.h> -+#include <asm/arch/cpu.h> -+#include <asm/arch/gpio.h> -+ -+#include <video/atmel_lcdc.h> -+ -+#define lcdc_readl(sinfo, reg) __raw_readl((sinfo)->mmio+(reg)) -+#define lcdc_writel(sinfo, reg, val) __raw_writel((val), (sinfo)->mmio+(reg)) -+ -+/* configurable parameters */ -+#define ATMEL_LCDC_CVAL_DEFAULT 0xc8 -+#define ATMEL_LCDC_DMA_BURST_LEN 8 -+ -+#if defined(CONFIG_ARCH_AT91SAM9263) -+#define ATMEL_LCDC_FIFO_SIZE 2048 -+#else -+#define ATMEL_LCDC_FIFO_SIZE 512 -+#endif -+ -+#if defined(CONFIG_ARCH_AT91) -+#define ATMEL_LCDFB_FBINFO_DEFAULT FBINFO_DEFAULT -+ -+static inline void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo, -+ struct fb_var_screeninfo *var) -+{ -+ -+} -+#elif defined(CONFIG_AVR32) -+#define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \ -+ | FBINFO_PARTIAL_PAN_OK \ -+ | FBINFO_HWACCEL_XPAN \ -+ | FBINFO_HWACCEL_YPAN) -+ -+static void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo, -+ struct fb_var_screeninfo *var) -+{ -+ u32 dma2dcfg; -+ u32 pixeloff; -+ -+ pixeloff = (var->xoffset * var->bits_per_pixel) & 0x1f; -+ -+ dma2dcfg = ((var->xres_virtual - var->xres) * var->bits_per_pixel) / 8; -+ dma2dcfg |= pixeloff << ATMEL_LCDC_PIXELOFF_OFFSET; -+ lcdc_writel(sinfo, ATMEL_LCDC_DMA2DCFG, dma2dcfg); -+ -+ /* Update configuration */ -+ lcdc_writel(sinfo, ATMEL_LCDC_DMACON, -+ lcdc_readl(sinfo, ATMEL_LCDC_DMACON) -+ | ATMEL_LCDC_DMAUPDT); -+} -+#endif -+ -+ -+static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = { -+ .type = FB_TYPE_PACKED_PIXELS, -+ .visual = FB_VISUAL_TRUECOLOR, -+ .xpanstep = 0, -+ .ypanstep = 0, -+ .ywrapstep = 0, -+ .accel = FB_ACCEL_NONE, -+}; -+ -+ -+static void atmel_lcdfb_update_dma(struct fb_info *info, -+ struct fb_var_screeninfo *var) -+{ -+ struct atmel_lcdfb_info *sinfo = info->par; -+ struct fb_fix_screeninfo *fix = &info->fix; -+ unsigned long dma_addr; -+ -+ dma_addr = (fix->smem_start + var->yoffset * fix->line_length -+ + var->xoffset * var->bits_per_pixel / 8); -+ -+ dma_addr &= ~3UL; -+ -+ /* Set framebuffer DMA base address and pixel offset */ -+ lcdc_writel(sinfo, ATMEL_LCDC_DMABADDR1, dma_addr); -+ -+ atmel_lcdfb_update_dma2d(sinfo, var); -+} -+ -+static inline void atmel_lcdfb_free_video_memory(struct atmel_lcdfb_info *sinfo) -+{ -+ struct fb_info *info = sinfo->info; -+ -+ dma_free_writecombine(info->device, info->fix.smem_len, -+ info->screen_base, info->fix.smem_start); -+} -+ -+/** -+ * atmel_lcdfb_alloc_video_memory - Allocate framebuffer memory -+ * @sinfo: the frame buffer to allocate memory for -+ */ -+static int atmel_lcdfb_alloc_video_memory(struct atmel_lcdfb_info *sinfo) -+{ -+ struct fb_info *info = sinfo->info; -+ struct fb_var_screeninfo *var = &info->var; -+ -+ info->fix.smem_len = (var->xres_virtual * var->yres_virtual -+ * ((var->bits_per_pixel + 7) / 8)); -+ -+ info->screen_base = dma_alloc_writecombine(info->device, info->fix.smem_len, -+ (dma_addr_t *)&info->fix.smem_start, GFP_KERNEL); -+ -+ if (!info->screen_base) { -+ return -ENOMEM; -+ } -+ -+ return 0; -+} -+ -+/** -+ * atmel_lcdfb_check_var - Validates a var passed in. -+ * @var: frame buffer variable screen structure -+ * @info: frame buffer structure that represents a single frame buffer -+ * -+ * Checks to see if the hardware supports the state requested by -+ * var passed in. This function does not alter the hardware -+ * state!!! This means the data stored in struct fb_info and -+ * struct atmel_lcdfb_info do not change. This includes the var -+ * inside of struct fb_info. Do NOT change these. This function -+ * can be called on its own if we intent to only test a mode and -+ * not actually set it. The stuff in modedb.c is a example of -+ * this. If the var passed in is slightly off by what the -+ * hardware can support then we alter the var PASSED in to what -+ * we can do. If the hardware doesn't support mode change a -+ * -EINVAL will be returned by the upper layers. You don't need -+ * to implement this function then. If you hardware doesn't -+ * support changing the resolution then this function is not -+ * needed. In this case the driver would just provide a var that -+ * represents the static state the screen is in. -+ * -+ * Returns negative errno on error, or zero on success. -+ */ -+static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, -+ struct fb_info *info) -+{ -+ struct device *dev = info->device; -+ struct atmel_lcdfb_info *sinfo = info->par; -+ unsigned long clk_value_khz; -+ -+ clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000; -+ -+ dev_dbg(dev, "%s:\n", __func__); -+ dev_dbg(dev, " resolution: %ux%u\n", var->xres, var->yres); -+ dev_dbg(dev, " pixclk: %lu KHz\n", PICOS2KHZ(var->pixclock)); -+ dev_dbg(dev, " bpp: %u\n", var->bits_per_pixel); -+ dev_dbg(dev, " clk: %lu KHz\n", clk_value_khz); -+ -+ if ((PICOS2KHZ(var->pixclock) * var->bits_per_pixel / 8) > clk_value_khz) { -+ dev_err(dev, "%lu KHz pixel clock is too fast\n", PICOS2KHZ(var->pixclock)); -+ return -EINVAL; -+ } -+ -+ /* Force same alignment for each line */ -+ var->xres = (var->xres + 3) & ~3UL; -+ var->xres_virtual = (var->xres_virtual + 3) & ~3UL; -+ -+ var->red.msb_right = var->green.msb_right = var->blue.msb_right = 0; -+ var->transp.msb_right = 0; -+ var->transp.offset = var->transp.length = 0; -+ var->xoffset = var->yoffset = 0; -+ -+ switch (var->bits_per_pixel) { -+ case 2: -+ case 4: -+ case 8: -+ var->red.offset = var->green.offset = var->blue.offset = 0; -+ var->red.length = var->green.length = var->blue.length -+ = var->bits_per_pixel; -+ break; -+ case 15: -+ case 16: -+ var->red.offset = 0; -+ var->green.offset = 5; -+ var->blue.offset = 10; -+ var->red.length = var->green.length = var->blue.length = 5; -+ break; -+ case 24: -+ case 32: -+ var->red.offset = 0; -+ var->green.offset = 8; -+ var->blue.offset = 16; -+ var->red.length = var->green.length = var->blue.length = 8; -+ break; -+ default: -+ dev_err(dev, "color depth %d not supported\n", -+ var->bits_per_pixel); -+ return -EINVAL; -+ } -+ -+ return 0; -+} -+ -+/** -+ * atmel_lcdfb_set_par - Alters the hardware state. -+ * @info: frame buffer structure that represents a single frame buffer -+ * -+ * Using the fb_var_screeninfo in fb_info we set the resolution -+ * of the this particular framebuffer. This function alters the -+ * par AND the fb_fix_screeninfo stored in fb_info. It doesn't -+ * not alter var in fb_info since we are using that data. This -+ * means we depend on the data in var inside fb_info to be -+ * supported by the hardware. atmel_lcdfb_check_var is always called -+ * before atmel_lcdfb_set_par to ensure this. Again if you can't -+ * change the resolution you don't need this function. -+ * -+ */ -+static int atmel_lcdfb_set_par(struct fb_info *info) -+{ -+ struct atmel_lcdfb_info *sinfo = info->par; -+ unsigned long value; -+ unsigned long clk_value_khz; -+ -+ dev_dbg(info->device, "%s:\n", __func__); -+ dev_dbg(info->device, " * resolution: %ux%u (%ux%u virtual)\n", -+ info->var.xres, info->var.yres, -+ info->var.xres_virtual, info->var.yres_virtual); -+ -+ /* Turn off the LCD controller and the DMA controller */ -+ lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET); -+ -+ lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0); -+ -+ if (info->var.bits_per_pixel <= 8) -+ info->fix.visual = FB_VISUAL_PSEUDOCOLOR; -+ else -+ info->fix.visual = FB_VISUAL_TRUECOLOR; -+ -+ info->fix.line_length = info->var.xres_virtual * (info->var.bits_per_pixel / 8); -+ -+ /* Re-initialize the DMA engine... */ -+ dev_dbg(info->device, " * update DMA engine\n"); -+ atmel_lcdfb_update_dma(info, &info->var); -+ -+ /* ...set frame size and burst length = 8 words (?) */ -+ value = (info->var.yres * info->var.xres * info->var.bits_per_pixel) / 32; -+ value |= ((ATMEL_LCDC_DMA_BURST_LEN - 1) << ATMEL_LCDC_BLENGTH_OFFSET); -+ lcdc_writel(sinfo, ATMEL_LCDC_DMAFRMCFG, value); -+ -+ /* Now, the LCDC core... */ -+ -+ /* Set pixel clock */ -+ clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000; -+ -+ value = clk_value_khz / PICOS2KHZ(info->var.pixclock); -+ -+ if (clk_value_khz % PICOS2KHZ(info->var.pixclock)) -+ value++; -+ -+ value = (value / 2) - 1; -+ -+ if (value <= 0) { -+ dev_notice(info->device, "Bypassing pixel clock divider\n"); -+ lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS); -+ } else -+ lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, value << ATMEL_LCDC_CLKVAL_OFFSET); -+ -+ /* Initialize control register 2 */ -+ value = sinfo->default_lcdcon2; -+ -+ if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT)) -+ value |= ATMEL_LCDC_INVLINE_INVERTED; -+ if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT)) -+ value |= ATMEL_LCDC_INVFRAME_INVERTED; -+ -+ switch (info->var.bits_per_pixel) { -+ case 1: value |= ATMEL_LCDC_PIXELSIZE_1; break; -+ case 2: value |= ATMEL_LCDC_PIXELSIZE_2; break; -+ case 4: value |= ATMEL_LCDC_PIXELSIZE_4; break; -+ case 8: value |= ATMEL_LCDC_PIXELSIZE_8; break; -+ case 15: /* fall through */ -+ case 16: value |= ATMEL_LCDC_PIXELSIZE_16; break; -+ case 24: value |= ATMEL_LCDC_PIXELSIZE_24; break; -+ case 32: value |= ATMEL_LCDC_PIXELSIZE_32; break; -+ default: BUG(); break; -+ } -+ dev_dbg(info->device, " * LCDCON2 = %08lx\n", value); -+ lcdc_writel(sinfo, ATMEL_LCDC_LCDCON2, value); -+ -+ /* Vertical timing */ -+ value = (info->var.vsync_len - 1) << ATMEL_LCDC_VPW_OFFSET; -+ value |= info->var.upper_margin << ATMEL_LCDC_VBP_OFFSET; -+ value |= info->var.lower_margin; -+ dev_dbg(info->device, " * LCDTIM1 = %08lx\n", value); -+ lcdc_writel(sinfo, ATMEL_LCDC_TIM1, value); -+ -+ /* Horizontal timing */ -+ value = (info->var.right_margin - 1) << ATMEL_LCDC_HFP_OFFSET; -+ value |= (info->var.hsync_len - 1) << ATMEL_LCDC_HPW_OFFSET; -+ value |= (info->var.left_margin - 1); -+ dev_dbg(info->device, " * LCDTIM2 = %08lx\n", value); -+ lcdc_writel(sinfo, ATMEL_LCDC_TIM2, value); -+ -+ /* Display size */ -+ value = (info->var.xres - 1) << ATMEL_LCDC_HOZVAL_OFFSET; -+ value |= info->var.yres - 1; -+ lcdc_writel(sinfo, ATMEL_LCDC_LCDFRMCFG, value); -+ -+ /* FIFO Threshold: Use formula from data sheet */ -+ value = ATMEL_LCDC_FIFO_SIZE - (2 * ATMEL_LCDC_DMA_BURST_LEN + 3); -+ lcdc_writel(sinfo, ATMEL_LCDC_FIFO, value); -+ -+ /* Toggle LCD_MODE every frame */ -+ lcdc_writel(sinfo, ATMEL_LCDC_MVAL, 0); -+ -+ /* Disable all interrupts */ -+ lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL); -+ -+ /* Set contrast */ -+ value = ATMEL_LCDC_PS_DIV8 | ATMEL_LCDC_POL_POSITIVE | ATMEL_LCDC_ENA_PWMENABLE; -+ lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, value); -+ lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_VAL, ATMEL_LCDC_CVAL_DEFAULT); -+ /* ...wait for DMA engine to become idle... */ -+ while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY) -+ msleep(10); -+ -+ dev_dbg(info->device, " * re-enable DMA engine\n"); -+ /* ...and enable it with updated configuration */ -+ lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon); -+ -+ dev_dbg(info->device, " * re-enable LCDC core\n"); -+ lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, -+ (sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR); -+ -+ dev_dbg(info->device, " * DONE\n"); -+ -+ return 0; -+} -+ -+static inline unsigned int chan_to_field(unsigned int chan, const struct fb_bitfield *bf) -+{ -+ chan &= 0xffff; -+ chan >>= 16 - bf->length; -+ return chan << bf->offset; -+} -+ -+/** -+ * atmel_lcdfb_setcolreg - Optional function. Sets a color register. -+ * @regno: Which register in the CLUT we are programming -+ * @red: The red value which can be up to 16 bits wide -+ * @green: The green value which can be up to 16 bits wide -+ * @blue: The blue value which can be up to 16 bits wide. -+ * @transp: If supported the alpha value which can be up to 16 bits wide. -+ * @info: frame buffer info structure -+ * -+ * Set a single color register. The values supplied have a 16 bit -+ * magnitude which needs to be scaled in this function for the hardware. -+ * Things to take into consideration are how many color registers, if -+ * any, are supported with the current color visual. With truecolor mode -+ * no color palettes are supported. Here a psuedo palette is created -+ * which we store the value in pseudo_palette in struct fb_info. For -+ * pseudocolor mode we have a limited color palette. To deal with this -+ * we can program what color is displayed for a particular pixel value. -+ * DirectColor is similar in that we can program each color field. If -+ * we have a static colormap we don't need to implement this function. -+ * -+ * Returns negative errno on error, or zero on success. In an -+ * ideal world, this would have been the case, but as it turns -+ * out, the other drivers return 1 on failure, so that's what -+ * we're going to do. -+ */ -+static int atmel_lcdfb_setcolreg(unsigned int regno, unsigned int red, -+ unsigned int green, unsigned int blue, -+ unsigned int transp, struct fb_info *info) -+{ -+ struct atmel_lcdfb_info *sinfo = info->par; -+ unsigned int val; -+ u32 *pal; -+ int ret = 1; -+ -+ if (info->var.grayscale) -+ red = green = blue = (19595 * red + 38470 * green -+ + 7471 * blue) >> 16; -+ -+ switch (info->fix.visual) { -+ case FB_VISUAL_TRUECOLOR: -+ if (regno < 16) { -+ pal = info->pseudo_palette; -+ -+ val = chan_to_field(red, &info->var.red); -+ val |= chan_to_field(green, &info->var.green); -+ val |= chan_to_field(blue, &info->var.blue); -+ -+ pal[regno] = val; -+ ret = 0; -+ } -+ break; -+ -+ case FB_VISUAL_PSEUDOCOLOR: -+ if (regno < 256) { -+ val = ((red >> 11) & 0x001f); -+ val |= ((green >> 6) & 0x03e0); -+ val |= ((blue >> 1) & 0x7c00); -+ -+ /* -+ * TODO: intensity bit. Maybe something like -+ * ~(red[10] ^ green[10] ^ blue[10]) & 1 -+ */ -+ -+ lcdc_writel(sinfo, ATMEL_LCDC_LUT(regno), val); -+ ret = 0; -+ } -+ break; -+ } -+ -+ return ret; -+} -+ -+static int atmel_lcdfb_pan_display(struct fb_var_screeninfo *var, -+ struct fb_info *info) -+{ -+ dev_dbg(info->device, "%s\n", __func__); -+ -+ atmel_lcdfb_update_dma(info, var); -+ -+ return 0; -+} -+ -+static struct fb_ops atmel_lcdfb_ops = { -+ .owner = THIS_MODULE, -+ .fb_check_var = atmel_lcdfb_check_var, -+ .fb_set_par = atmel_lcdfb_set_par, -+ .fb_setcolreg = atmel_lcdfb_setcolreg, -+ .fb_pan_display = atmel_lcdfb_pan_display, -+ .fb_fillrect = cfb_fillrect, -+ .fb_copyarea = cfb_copyarea, -+ .fb_imageblit = cfb_imageblit, -+}; -+ -+static irqreturn_t atmel_lcdfb_interrupt(int irq, void *dev_id) -+{ -+ struct fb_info *info = dev_id; -+ struct atmel_lcdfb_info *sinfo = info->par; -+ u32 status; -+ -+ status = lcdc_readl(sinfo, ATMEL_LCDC_ISR); -+ lcdc_writel(sinfo, ATMEL_LCDC_IDR, status); -+ return IRQ_HANDLED; -+} -+ -+static int __init atmel_lcdfb_init_fbinfo(struct atmel_lcdfb_info *sinfo) -+{ -+ struct fb_info *info = sinfo->info; -+ int ret = 0; -+ -+ memset_io(info->screen_base, 0, info->fix.smem_len); -+ info->var.activate |= FB_ACTIVATE_FORCE | FB_ACTIVATE_NOW; -+ -+ dev_info(info->device, -+ "%luKiB frame buffer at %08lx (mapped at %p)\n", -+ (unsigned long)info->fix.smem_len / 1024, -+ (unsigned long)info->fix.smem_start, -+ info->screen_base); -+ -+ /* Allocate colormap */ -+ ret = fb_alloc_cmap(&info->cmap, 256, 0); -+ if (ret < 0) -+ dev_err(info->device, "Alloc color map failed\n"); -+ -+ return ret; -+} -+ -+static void atmel_lcdfb_start_clock(struct atmel_lcdfb_info *sinfo) -+{ -+ if (sinfo->bus_clk) -+ clk_enable(sinfo->bus_clk); -+ clk_enable(sinfo->lcdc_clk); -+} -+ -+static void atmel_lcdfb_stop_clock(struct atmel_lcdfb_info *sinfo) -+{ -+ if (sinfo->bus_clk) -+ clk_disable(sinfo->bus_clk); -+ clk_disable(sinfo->lcdc_clk); -+} -+ -+ -+static int __init atmel_lcdfb_probe(struct platform_device *pdev) -+{ -+ struct device *dev = &pdev->dev; -+ struct fb_info *info; -+ struct atmel_lcdfb_info *sinfo; -+ struct atmel_lcdfb_info *pdata_sinfo; -+ struct resource *regs = NULL; -+ struct resource *map = NULL; -+ int ret; -+ -+ dev_dbg(dev, "%s BEGIN\n", __func__); -+ -+ ret = -ENOMEM; -+ info = framebuffer_alloc(sizeof(struct atmel_lcdfb_info), dev); -+ if (!info) { -+ dev_err(dev, "cannot allocate memory\n"); -+ goto out; -+ } -+ -+ sinfo = info->par; -+ -+ if (dev->platform_data) { -+ pdata_sinfo = (struct atmel_lcdfb_info *)dev->platform_data; -+ sinfo->default_bpp = pdata_sinfo->default_bpp; -+ sinfo->default_dmacon = pdata_sinfo->default_dmacon; -+ sinfo->default_lcdcon2 = pdata_sinfo->default_lcdcon2; -+ sinfo->default_monspecs = pdata_sinfo->default_monspecs; -+ sinfo->atmel_lcdfb_power_control = pdata_sinfo->atmel_lcdfb_power_control; -+ sinfo->guard_time = pdata_sinfo->guard_time; -+ } else { -+ dev_err(dev, "cannot get default configuration\n"); -+ goto free_info; -+ } -+ sinfo->info = info; -+ sinfo->pdev = pdev; -+ -+ strcpy(info->fix.id, sinfo->pdev->name); -+ info->flags = ATMEL_LCDFB_FBINFO_DEFAULT; -+ info->pseudo_palette = sinfo->pseudo_palette; -+ info->fbops = &atmel_lcdfb_ops; -+ -+ memcpy(&info->monspecs, sinfo->default_monspecs, sizeof(info->monspecs)); -+ info->fix = atmel_lcdfb_fix; -+ -+ /* Enable LCDC Clocks */ -+ if (cpu_is_at91sam9261() || cpu_is_at32ap7000()) { -+ sinfo->bus_clk = clk_get(dev, "hck1"); -+ if (IS_ERR(sinfo->bus_clk)) { -+ ret = PTR_ERR(sinfo->bus_clk); -+ goto free_info; -+ } -+ } -+ sinfo->lcdc_clk = clk_get(dev, "lcdc_clk"); -+ if (IS_ERR(sinfo->lcdc_clk)) { -+ ret = PTR_ERR(sinfo->lcdc_clk); -+ goto put_bus_clk; -+ } -+ atmel_lcdfb_start_clock(sinfo); -+ -+ ret = fb_find_mode(&info->var, info, NULL, info->monspecs.modedb, -+ info->monspecs.modedb_len, info->monspecs.modedb, -+ sinfo->default_bpp); -+ if (!ret) { -+ dev_err(dev, "no suitable video mode found\n"); -+ goto stop_clk; -+ } -+ -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) { -+ dev_err(dev, "resources unusable\n"); -+ ret = -ENXIO; -+ goto stop_clk; -+ } -+ -+ sinfo->irq_base = platform_get_irq(pdev, 0); -+ if (sinfo->irq_base < 0) { -+ dev_err(dev, "unable to get irq\n"); -+ ret = sinfo->irq_base; -+ goto stop_clk; -+ } -+ -+ /* Initialize video memory */ -+ map = platform_get_resource(pdev, IORESOURCE_MEM, 1); -+ if (map) { -+ /* use a pre-allocated memory buffer */ -+ info->fix.smem_start = map->start; -+ info->fix.smem_len = map->end - map->start + 1; -+ if (!request_mem_region(info->fix.smem_start, -+ info->fix.smem_len, pdev->name)) { -+ ret = -EBUSY; -+ goto stop_clk; -+ } -+ -+ info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); -+ if (!info->screen_base) -+ goto release_intmem; -+ } else { -+ /* alocate memory buffer */ -+ ret = atmel_lcdfb_alloc_video_memory(sinfo); -+ if (ret < 0) { -+ dev_err(dev, "cannot allocate framebuffer: %d\n", ret); -+ goto stop_clk; -+ } -+ } -+ -+ /* LCDC registers */ -+ info->fix.mmio_start = regs->start; -+ info->fix.mmio_len = regs->end - regs->start + 1; -+ -+ if (!request_mem_region(info->fix.mmio_start, -+ info->fix.mmio_len, pdev->name)) { -+ ret = -EBUSY; -+ goto free_fb; -+ } -+ -+ sinfo->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len); -+ if (!sinfo->mmio) { -+ dev_err(dev, "cannot map LCDC registers\n"); -+ goto release_mem; -+ } -+ -+ /* interrupt */ -+ ret = request_irq(sinfo->irq_base, atmel_lcdfb_interrupt, 0, pdev->name, info); -+ if (ret) { -+ dev_err(dev, "request_irq failed: %d\n", ret); -+ goto unmap_mmio; -+ } -+ -+ ret = atmel_lcdfb_init_fbinfo(sinfo); -+ if (ret < 0) { -+ dev_err(dev, "init fbinfo failed: %d\n", ret); -+ goto unregister_irqs; -+ } -+ -+ /* -+ * This makes sure that our colour bitfield -+ * descriptors are correctly initialised. -+ */ -+ atmel_lcdfb_check_var(&info->var, info); -+ -+ ret = fb_set_var(info, &info->var); -+ if (ret) { -+ dev_warn(dev, "unable to set display parameters\n"); -+ goto free_cmap; -+ } -+ -+ dev_set_drvdata(dev, info); -+ -+ /* -+ * Tell the world that we're ready to go -+ */ -+ ret = register_framebuffer(info); -+ if (ret < 0) { -+ dev_err(dev, "failed to register framebuffer device: %d\n", ret); -+ goto free_cmap; -+ } -+ -+ /* Power up the LCDC screen */ -+ if (sinfo->atmel_lcdfb_power_control) -+ sinfo->atmel_lcdfb_power_control(1); -+ -+ dev_info(dev, "fb%d: Atmel LCDC at 0x%08lx (mapped at %p), irq %lu\n", -+ info->node, info->fix.mmio_start, sinfo->mmio, sinfo->irq_base); -+ -+ return 0; -+ -+ -+free_cmap: -+ fb_dealloc_cmap(&info->cmap); -+unregister_irqs: -+ free_irq(sinfo->irq_base, info); -+unmap_mmio: -+ iounmap(sinfo->mmio); -+release_mem: -+ release_mem_region(info->fix.mmio_start, info->fix.mmio_len); -+free_fb: -+ if (map) -+ iounmap(info->screen_base); -+ else -+ atmel_lcdfb_free_video_memory(sinfo); -+ -+release_intmem: -+ if (map) -+ release_mem_region(info->fix.smem_start, info->fix.smem_len); -+stop_clk: -+ atmel_lcdfb_stop_clock(sinfo); -+ clk_put(sinfo->lcdc_clk); -+put_bus_clk: -+ if (sinfo->bus_clk) -+ clk_put(sinfo->bus_clk); -+free_info: -+ framebuffer_release(info); -+out: -+ dev_dbg(dev, "%s FAILED\n", __func__); -+ return ret; -+} -+ -+static int __exit atmel_lcdfb_remove(struct platform_device *pdev) -+{ -+ struct device *dev = &pdev->dev; -+ struct fb_info *info = dev_get_drvdata(dev); -+ struct atmel_lcdfb_info *sinfo = info->par; -+ -+ if (!sinfo) -+ return 0; -+ -+ if (sinfo->atmel_lcdfb_power_control) -+ sinfo->atmel_lcdfb_power_control(0); -+ unregister_framebuffer(info); -+ atmel_lcdfb_stop_clock(sinfo); -+ clk_put(sinfo->lcdc_clk); -+ if (sinfo->bus_clk) -+ clk_put(sinfo->bus_clk); -+ fb_dealloc_cmap(&info->cmap); -+ free_irq(sinfo->irq_base, info); -+ iounmap(sinfo->mmio); -+ release_mem_region(info->fix.mmio_start, info->fix.mmio_len); -+ if (platform_get_resource(pdev, IORESOURCE_MEM, 1)) { -+ iounmap(info->screen_base); -+ release_mem_region(info->fix.smem_start, info->fix.smem_len); -+ } else { -+ atmel_lcdfb_free_video_memory(sinfo); -+ } -+ -+ dev_set_drvdata(dev, NULL); -+ framebuffer_release(info); -+ -+ return 0; -+} -+ -+static struct platform_driver atmel_lcdfb_driver = { -+ .remove = __exit_p(atmel_lcdfb_remove), -+ .driver = { -+ .name = "atmel_lcdfb", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init atmel_lcdfb_init(void) -+{ -+ return platform_driver_probe(&atmel_lcdfb_driver, atmel_lcdfb_probe); -+} -+ -+static void __exit atmel_lcdfb_exit(void) -+{ -+ platform_driver_unregister(&atmel_lcdfb_driver); -+} -+ -+module_init(atmel_lcdfb_init); -+module_exit(atmel_lcdfb_exit); -+ -+MODULE_DESCRIPTION("AT91/AT32 LCD Controller framebuffer driver"); -+MODULE_AUTHOR("Nicolas Ferre <nicolas.ferre@rfo.atmel.com>"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig -index 47d15b5..b59d5bb 100644 ---- a/drivers/video/backlight/Kconfig -+++ b/drivers/video/backlight/Kconfig -@@ -8,26 +8,44 @@ menuconfig BACKLIGHT_LCD_SUPPORT - Enable this to be able to choose the drivers for controlling the - backlight and the LCD panel on some platforms, for example on PDAs. - --config BACKLIGHT_CLASS_DEVICE -- tristate "Lowlevel Backlight controls" -+# -+# LCD -+# -+config LCD_CLASS_DEVICE -+ tristate "Lowlevel LCD controls" - depends on BACKLIGHT_LCD_SUPPORT - default m - help -- This framework adds support for low-level control of the LCD -- backlight. This includes support for brightness and power. -+ This framework adds support for low-level control of LCD. -+ Some framebuffer devices connect to platform-specific LCD modules -+ in order to have a platform-specific way to control the flat panel -+ (contrast and applying power to the LCD (not to the backlight!)). - - To have support for your specific LCD panel you will have to - select the proper drivers which depend on this option. - --config LCD_CLASS_DEVICE -- tristate "Lowlevel LCD controls" -+config LCD_LTV350QV -+ tristate "Samsung LTV350QV LCD Panel" -+ depends on LCD_CLASS_DEVICE && SPI_MASTER -+ default n -+ help -+ If you have a Samsung LTV350QV LCD panel, say y to include a -+ power control driver for it. The panel starts up in power -+ off state, so you need this driver in order to see any -+ output. -+ -+ The LTV350QV panel is present on all ATSTK1000 boards. -+ -+# -+# Backlight -+# -+config BACKLIGHT_CLASS_DEVICE -+ tristate "Lowlevel Backlight controls" - depends on BACKLIGHT_LCD_SUPPORT - default m - help -- This framework adds support for low-level control of LCD. -- Some framebuffer devices connect to platform-specific LCD modules -- in order to have a platform-specific way to control the flat panel -- (contrast and applying power to the LCD (not to the backlight!)). -+ This framework adds support for low-level control of the LCD -+ backlight. This includes support for brightness and power. - - To have support for your specific LCD panel you will have to - select the proper drivers which depend on this option. -diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile -index 0c3ce46..526c54b 100644 ---- a/drivers/video/backlight/Makefile -+++ b/drivers/video/backlight/Makefile -@@ -1,6 +1,8 @@ - # Backlight & LCD drivers - - obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o -+obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o -+ - obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o - obj-$(CONFIG_BACKLIGHT_CORGI) += corgi_bl.o - obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o -diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c -new file mode 100644 -index 0000000..342b97a ---- /dev/null -+++ b/drivers/video/backlight/ltv350qv.c -@@ -0,0 +1,340 @@ -+/* -+ * Power control for Samsung LTV350QV Quarter VGA LCD Panel -+ * -+ * Copyright (C) 2006, 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/delay.h> -+#include <linux/err.h> -+#include <linux/fb.h> -+#include <linux/init.h> -+#include <linux/lcd.h> -+#include <linux/module.h> -+#include <linux/spi/spi.h> -+ -+#include "ltv350qv.h" -+ -+#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) -+ -+struct ltv350qv { -+ struct spi_device *spi; -+ u8 *buffer; -+ int power; -+ struct lcd_device *ld; -+}; -+ -+/* -+ * The power-on and power-off sequences are taken from the -+ * LTV350QV-F04 data sheet from Samsung. The register definitions are -+ * taken from the S6F2002 command list also from Samsung. Both -+ * documents are distributed with the AVR32 Linux BSP CD from Atmel. -+ * -+ * There's still some voodoo going on here, but it's a lot better than -+ * in the first incarnation of the driver where all we had was the raw -+ * numbers from the initialization sequence. -+ */ -+static int ltv350qv_write_reg(struct ltv350qv *lcd, u8 reg, u16 val) -+{ -+ struct spi_message msg; -+ struct spi_transfer index_xfer = { -+ .len = 3, -+ .cs_change = 1, -+ }; -+ struct spi_transfer value_xfer = { -+ .len = 3, -+ .cs_change = 1, -+ }; -+ -+ spi_message_init(&msg); -+ -+ /* register index */ -+ lcd->buffer[0] = LTV_OPC_INDEX; -+ lcd->buffer[1] = 0x00; -+ lcd->buffer[2] = reg & 0x7f; -+ index_xfer.tx_buf = lcd->buffer; -+ spi_message_add_tail(&index_xfer, &msg); -+ -+ /* register value */ -+ lcd->buffer[4] = LTV_OPC_DATA; -+ lcd->buffer[5] = val >> 8; -+ lcd->buffer[6] = val; -+ value_xfer.tx_buf = lcd->buffer + 4; -+ spi_message_add_tail(&value_xfer, &msg); -+ -+ return spi_sync(lcd->spi, &msg); -+} -+ -+/* The comments are taken straight from the data sheet */ -+static int ltv350qv_power_on(struct ltv350qv *lcd) -+{ -+ int ret; -+ -+ /* Power On Reset Display off State */ -+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, 0x0000)) -+ goto err; -+ msleep(15); -+ -+ /* Power Setting Function 1 */ -+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE)) -+ goto err; -+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL2, LTV_VCOML_ENABLE)) -+ goto err_power1; -+ -+ /* Power Setting Function 2 */ -+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, -+ LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5) -+ | LTV_SUPPLY_CURRENT(5))) -+ goto err_power2; -+ -+ msleep(55); -+ -+ /* Instruction Setting */ -+ ret = ltv350qv_write_reg(lcd, LTV_IFCTL, -+ LTV_NMD | LTV_REV | LTV_NL(0x1d)); -+ ret |= ltv350qv_write_reg(lcd, LTV_DATACTL, -+ LTV_DS_SAME | LTV_CHS_480 -+ | LTV_DF_RGB | LTV_RGB_BGR); -+ ret |= ltv350qv_write_reg(lcd, LTV_ENTRY_MODE, -+ LTV_VSPL_ACTIVE_LOW -+ | LTV_HSPL_ACTIVE_LOW -+ | LTV_DPL_SAMPLE_RISING -+ | LTV_EPL_ACTIVE_LOW -+ | LTV_SS_RIGHT_TO_LEFT); -+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL1, LTV_CLW(3)); -+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2, -+ LTV_NW_INV_1LINE | LTV_FWI(3)); -+ ret |= ltv350qv_write_reg(lcd, LTV_VBP, 0x000a); -+ ret |= ltv350qv_write_reg(lcd, LTV_HBP, 0x0021); -+ ret |= ltv350qv_write_reg(lcd, LTV_SOTCTL, LTV_SDT(3) | LTV_EQ(0)); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(0), 0x0103); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(1), 0x0301); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(2), 0x1f0f); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(3), 0x1f0f); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(4), 0x0707); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(5), 0x0307); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(6), 0x0707); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(7), 0x0000); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(8), 0x0004); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(9), 0x0000); -+ if (ret) -+ goto err_settings; -+ -+ /* Wait more than 2 frames */ -+ msleep(20); -+ -+ /* Display On Sequence */ -+ ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1, -+ LTV_VCOM_DISABLE | LTV_VCOMOUT_ENABLE -+ | LTV_POWER_ON | LTV_DRIVE_CURRENT(5) -+ | LTV_SUPPLY_CURRENT(5)); -+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2, -+ LTV_NW_INV_1LINE | LTV_DSC | LTV_FWI(3)); -+ if (ret) -+ goto err_disp_on; -+ -+ /* Display should now be ON. Phew. */ -+ return 0; -+ -+err_disp_on: -+ /* -+ * Try to recover. Error handling probably isn't very useful -+ * at this point, just make a best effort to switch the panel -+ * off. -+ */ -+ ltv350qv_write_reg(lcd, LTV_PWRCTL1, -+ LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5) -+ | LTV_SUPPLY_CURRENT(5)); -+ ltv350qv_write_reg(lcd, LTV_GATECTL2, -+ LTV_NW_INV_1LINE | LTV_FWI(3)); -+err_settings: -+err_power2: -+err_power1: -+ ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000); -+ msleep(1); -+err: -+ ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE); -+ return -EIO; -+} -+ -+static int ltv350qv_power_off(struct ltv350qv *lcd) -+{ -+ int ret; -+ -+ /* Display Off Sequence */ -+ ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1, -+ LTV_VCOM_DISABLE -+ | LTV_DRIVE_CURRENT(5) -+ | LTV_SUPPLY_CURRENT(5)); -+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2, -+ LTV_NW_INV_1LINE | LTV_FWI(3)); -+ -+ /* Power down setting 1 */ -+ ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000); -+ -+ /* Wait at least 1 ms */ -+ msleep(1); -+ -+ /* Power down setting 2 */ -+ ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE); -+ -+ /* -+ * No point in trying to recover here. If we can't switch the -+ * panel off, what are we supposed to do other than inform the -+ * user about the failure? -+ */ -+ if (ret) -+ return -EIO; -+ -+ /* Display power should now be OFF */ -+ return 0; -+} -+ -+static int ltv350qv_power(struct ltv350qv *lcd, int power) -+{ -+ int ret = 0; -+ -+ if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power)) -+ ret = ltv350qv_power_on(lcd); -+ else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power)) -+ ret = ltv350qv_power_off(lcd); -+ -+ if (!ret) -+ lcd->power = power; -+ -+ return ret; -+} -+ -+static int ltv350qv_set_power(struct lcd_device *ld, int power) -+{ -+ struct ltv350qv *lcd; -+ -+ lcd = class_get_devdata(&ld->class_dev); -+ return ltv350qv_power(lcd, power); -+} -+ -+static int ltv350qv_get_power(struct lcd_device *ld) -+{ -+ struct ltv350qv *lcd; -+ -+ lcd = class_get_devdata(&ld->class_dev); -+ return lcd->power; -+} -+ -+static struct lcd_ops ltv_ops = { -+ .get_power = ltv350qv_get_power, -+ .set_power = ltv350qv_set_power, -+}; -+ -+static int __devinit ltv350qv_probe(struct spi_device *spi) -+{ -+ struct ltv350qv *lcd; -+ struct lcd_device *ld; -+ int ret; -+ -+ lcd = kzalloc(sizeof(struct ltv350qv), GFP_KERNEL); -+ if (!lcd) -+ return -ENOMEM; -+ -+ lcd->spi = spi; -+ lcd->power = FB_BLANK_POWERDOWN; -+ lcd->buffer = kzalloc(8, GFP_KERNEL); -+ -+ ld = lcd_device_register("ltv350qv", lcd, <v_ops); -+ if (IS_ERR(ld)) { -+ ret = PTR_ERR(ld); -+ goto out_free_lcd; -+ } -+ lcd->ld = ld; -+ -+ ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK); -+ if (ret) -+ goto out_unregister; -+ -+ dev_set_drvdata(&spi->dev, lcd); -+ -+ return 0; -+ -+out_unregister: -+ lcd_device_unregister(ld); -+out_free_lcd: -+ kfree(lcd); -+ return ret; -+} -+ -+static int __devexit ltv350qv_remove(struct spi_device *spi) -+{ -+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); -+ -+ ltv350qv_power(lcd, FB_BLANK_POWERDOWN); -+ lcd_device_unregister(lcd->ld); -+ kfree(lcd); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+static int ltv350qv_suspend(struct spi_device *spi, -+ pm_message_t state, u32 level) -+{ -+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); -+ -+ if (level == SUSPEND_POWER_DOWN) -+ return ltv350qv_power(lcd, FB_BLANK_POWERDOWN); -+ -+ return 0; -+} -+ -+static int ltv350qv_resume(struct spi_device *spi, u32 level) -+{ -+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); -+ -+ if (level == RESUME_POWER_ON) -+ return ltv350qv_power(lcd, FB_BLANK_UNBLANK); -+ -+ return 0; -+} -+#else -+#define ltv350qv_suspend NULL -+#define ltv350qv_resume NULL -+#endif -+ -+/* Power down all displays on reboot, poweroff or halt */ -+static void ltv350qv_shutdown(struct spi_device *spi) -+{ -+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); -+ -+ ltv350qv_power(lcd, FB_BLANK_POWERDOWN); -+} -+ -+static struct spi_driver ltv350qv_driver = { -+ .driver = { -+ .name = "ltv350qv", -+ .bus = &spi_bus_type, -+ .owner = THIS_MODULE, -+ }, -+ -+ .probe = ltv350qv_probe, -+ .remove = __devexit_p(ltv350qv_remove), -+ .shutdown = ltv350qv_shutdown, -+ .suspend = ltv350qv_suspend, -+ .resume = ltv350qv_resume, -+}; -+ -+static int __init ltv350qv_init(void) -+{ -+ return spi_register_driver(<v350qv_driver); -+} -+ -+static void __exit ltv350qv_exit(void) -+{ -+ spi_unregister_driver(<v350qv_driver); -+} -+module_init(ltv350qv_init); -+module_exit(ltv350qv_exit); -+ -+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); -+MODULE_DESCRIPTION("Samsung LTV350QV LCD Driver"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/video/backlight/ltv350qv.h b/drivers/video/backlight/ltv350qv.h -new file mode 100644 -index 0000000..189112e ---- /dev/null -+++ b/drivers/video/backlight/ltv350qv.h -@@ -0,0 +1,95 @@ -+/* -+ * Register definitions for Samsung LTV350QV Quarter VGA LCD Panel -+ * -+ * Copyright (C) 2006, 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __LTV350QV_H -+#define __LTV350QV_H -+ -+#define LTV_OPC_INDEX 0x74 -+#define LTV_OPC_DATA 0x76 -+ -+#define LTV_ID 0x00 /* ID Read */ -+#define LTV_IFCTL 0x01 /* Display Interface Control */ -+#define LTV_DATACTL 0x02 /* Display Data Control */ -+#define LTV_ENTRY_MODE 0x03 /* Entry Mode */ -+#define LTV_GATECTL1 0x04 /* Gate Control 1 */ -+#define LTV_GATECTL2 0x05 /* Gate Control 2 */ -+#define LTV_VBP 0x06 /* Vertical Back Porch */ -+#define LTV_HBP 0x07 /* Horizontal Back Porch */ -+#define LTV_SOTCTL 0x08 /* Source Output Timing Control */ -+#define LTV_PWRCTL1 0x09 /* Power Control 1 */ -+#define LTV_PWRCTL2 0x0a /* Power Control 2 */ -+#define LTV_GAMMA(x) (0x10 + (x)) /* Gamma control */ -+ -+/* Bit definitions for LTV_IFCTL */ -+#define LTV_IM (1 << 15) -+#define LTV_NMD (1 << 14) -+#define LTV_SSMD (1 << 13) -+#define LTV_REV (1 << 7) -+#define LTV_NL(x) (((x) & 0x001f) << 0) -+ -+/* Bit definitions for LTV_DATACTL */ -+#define LTV_DS_SAME (0 << 12) -+#define LTV_DS_D_TO_S (1 << 12) -+#define LTV_DS_S_TO_D (2 << 12) -+#define LTV_CHS_384 (0 << 9) -+#define LTV_CHS_480 (1 << 9) -+#define LTV_CHS_492 (2 << 9) -+#define LTV_DF_RGB (0 << 6) -+#define LTV_DF_RGBX (1 << 6) -+#define LTV_DF_XRGB (2 << 6) -+#define LTV_RGB_RGB (0 << 2) -+#define LTV_RGB_BGR (1 << 2) -+#define LTV_RGB_GRB (2 << 2) -+#define LTV_RGB_RBG (3 << 2) -+ -+/* Bit definitions for LTV_ENTRY_MODE */ -+#define LTV_VSPL_ACTIVE_LOW (0 << 15) -+#define LTV_VSPL_ACTIVE_HIGH (1 << 15) -+#define LTV_HSPL_ACTIVE_LOW (0 << 14) -+#define LTV_HSPL_ACTIVE_HIGH (1 << 14) -+#define LTV_DPL_SAMPLE_RISING (0 << 13) -+#define LTV_DPL_SAMPLE_FALLING (1 << 13) -+#define LTV_EPL_ACTIVE_LOW (0 << 12) -+#define LTV_EPL_ACTIVE_HIGH (1 << 12) -+#define LTV_SS_LEFT_TO_RIGHT (0 << 8) -+#define LTV_SS_RIGHT_TO_LEFT (1 << 8) -+#define LTV_STB (1 << 1) -+ -+/* Bit definitions for LTV_GATECTL1 */ -+#define LTV_CLW(x) (((x) & 0x0007) << 12) -+#define LTV_GAON (1 << 5) -+#define LTV_SDR (1 << 3) -+ -+/* Bit definitions for LTV_GATECTL2 */ -+#define LTV_NW_INV_FRAME (0 << 14) -+#define LTV_NW_INV_1LINE (1 << 14) -+#define LTV_NW_INV_2LINE (2 << 14) -+#define LTV_DSC (1 << 12) -+#define LTV_GIF (1 << 8) -+#define LTV_FHN (1 << 7) -+#define LTV_FTI(x) (((x) & 0x0003) << 4) -+#define LTV_FWI(x) (((x) & 0x0003) << 0) -+ -+/* Bit definitions for LTV_SOTCTL */ -+#define LTV_SDT(x) (((x) & 0x0007) << 10) -+#define LTV_EQ(x) (((x) & 0x0007) << 2) -+ -+/* Bit definitions for LTV_PWRCTL1 */ -+#define LTV_VCOM_DISABLE (1 << 14) -+#define LTV_VCOMOUT_ENABLE (1 << 11) -+#define LTV_POWER_ON (1 << 9) -+#define LTV_DRIVE_CURRENT(x) (((x) & 0x0007) << 4) /* 0=off, 5=max */ -+#define LTV_SUPPLY_CURRENT(x) (((x) & 0x0007) << 0) /* 0=off, 5=max */ -+ -+/* Bit definitions for LTV_PWRCTL2 */ -+#define LTV_VCOML_ENABLE (1 << 13) -+#define LTV_VCOML_VOLTAGE(x) (((x) & 0x001f) << 8) /* 0=1V, 31=-1V */ -+#define LTV_VCOMH_VOLTAGE(x) (((x) & 0x001f) << 0) /* 0=3V, 31=4.5V */ -+ -+#endif /* __LTV350QV_H */ -diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c -index 2822526..babf8a9 100644 ---- a/drivers/video/fbmem.c -+++ b/drivers/video/fbmem.c -@@ -1198,6 +1198,10 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) - pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE; - #elif defined(__arm__) || defined(__sh__) || defined(__m32r__) - vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); -+#elif defined(__avr32__) -+ vma->vm_page_prot = __pgprot((pgprot_val(vma->vm_page_prot) -+ & ~_PAGE_CACHABLE) -+ | (_PAGE_BUFFER | _PAGE_DIRTY)); - #elif defined(__ia64__) - if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start)) - vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); -diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h -index 49ac9be..616d206 100644 ---- a/include/asm-alpha/pgtable.h -+++ b/include/asm-alpha/pgtable.h -@@ -345,10 +345,6 @@ extern inline pte_t mk_swap_pte(unsigned long type, unsigned long offset) - #define io_remap_pfn_range(vma, start, pfn, size, prot) \ - remap_pfn_range(vma, start, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - #define pte_ERROR(e) \ - printk("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e)) - #define pmd_ERROR(e) \ -diff --git a/include/asm-alpha/scatterlist.h b/include/asm-alpha/scatterlist.h -index 6afb8bd..9173654 100644 ---- a/include/asm-alpha/scatterlist.h -+++ b/include/asm-alpha/scatterlist.h -@@ -2,6 +2,7 @@ - #define _ALPHA_SCATTERLIST_H - - #include <asm/page.h> -+#include <asm/types.h> - - struct scatterlist { - struct page *page; -diff --git a/include/asm-arm/arch-at91/cpu.h b/include/asm-arm/arch-at91/cpu.h -index d464ca5..7ef4eeb 100644 ---- a/include/asm-arm/arch-at91/cpu.h -+++ b/include/asm-arm/arch-at91/cpu.h -@@ -68,4 +68,10 @@ static inline unsigned long at91_arch_identify(void) - #define cpu_is_at91sam9263() (0) - #endif - -+/* -+ * Since this is ARM, we will never run on any AVR32 CPU. But these -+ * definitions may reduce clutter in common drivers. -+ */ -+#define cpu_is_at32ap7000() (0) -+ - #endif -diff --git a/include/asm-arm/pgtable-nommu.h b/include/asm-arm/pgtable-nommu.h -index 7b1c9ac..0c8be19 100644 ---- a/include/asm-arm/pgtable-nommu.h -+++ b/include/asm-arm/pgtable-nommu.h -@@ -83,10 +83,6 @@ extern int is_in_rom(unsigned long); - #define io_remap_page_range remap_page_range - #define io_remap_pfn_range remap_pfn_range - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - - /* - * All 32bit addresses are effectively valid for vmalloc... -diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h -index 7b2bafc..21dec9f 100644 ---- a/include/asm-arm/pgtable.h -+++ b/include/asm-arm/pgtable.h -@@ -395,10 +395,6 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; - #define io_remap_pfn_range(vma,from,pfn,size,prot) \ - remap_pfn_range(vma, from, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - #define pgtable_cache_init() do { } while (0) - - #endif /* !__ASSEMBLY__ */ -diff --git a/include/asm-arm26/pgtable.h b/include/asm-arm26/pgtable.h -index 63a8881..2b20e9f 100644 ---- a/include/asm-arm26/pgtable.h -+++ b/include/asm-arm26/pgtable.h -@@ -297,10 +297,6 @@ static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot) - #define io_remap_pfn_range(vma,from,pfn,size,prot) \ - remap_pfn_range(vma, from, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - #endif /* !__ASSEMBLY__ */ - - #endif /* _ASMARM_PGTABLE_H */ -diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h -index 1a7b07d..2293ab0 100644 ---- a/include/asm-avr32/arch-at32ap/board.h -+++ b/include/asm-avr32/arch-at32ap/board.h -@@ -6,6 +6,8 @@ - - #include <linux/types.h> - -+#define GPIO_PIN_NONE (-1) -+ - /* Add basic devices: system manager, interrupt controller, portmuxes, etc. */ - void at32_add_system_devices(void); - -@@ -30,11 +32,46 @@ struct spi_board_info; - struct platform_device * - at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n); - --struct lcdc_platform_data { -- unsigned long fbmem_start; -- unsigned long fbmem_size; -+struct platform_device *at32_add_device_twi(unsigned int id); -+ -+struct mci_platform_data { -+ int detect_pin; -+ int wp_pin; -+}; -+struct platform_device * -+at32_add_device_mci(unsigned int id, struct mci_platform_data *data); -+struct platform_device *at32_add_device_usba(unsigned int id); -+ -+struct atmel_lcdfb_info; -+struct platform_device * -+at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, -+ unsigned long fbmem_start, unsigned long fbmem_len); -+ -+struct platform_device *at32_add_device_ac97c(unsigned int id); -+struct platform_device *at32_add_device_abdac(unsigned int id); -+ -+struct cf_platform_data { -+ int detect_pin; -+ int reset_pin; -+ int vcc_pin; -+ u8 cs; - }; - struct platform_device * --at32_add_device_lcdc(unsigned int id, struct lcdc_platform_data *data); -+at32_add_device_cf(unsigned int id, unsigned int extint, -+ struct cf_platform_data *data); -+ -+/* depending on what's hooked up, not all SSC pins will be used */ -+#define ATMEL_SSC_TK 0x01 -+#define ATMEL_SSC_TF 0x02 -+#define ATMEL_SSC_TD 0x04 -+#define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD) -+ -+#define ATMEL_SSC_RK 0x10 -+#define ATMEL_SSC_RF 0x20 -+#define ATMEL_SSC_RD 0x40 -+#define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD) -+ -+struct platform_device * -+at32_add_device_ssc(unsigned int id, unsigned int flags); - - #endif /* __ASM_ARCH_BOARD_H */ -diff --git a/include/asm-avr32/arch-at32ap/cpu.h b/include/asm-avr32/arch-at32ap/cpu.h -new file mode 100644 -index 0000000..2bdc5bd ---- /dev/null -+++ b/include/asm-avr32/arch-at32ap/cpu.h -@@ -0,0 +1,33 @@ -+/* -+ * AVR32 and (fake) AT91 CPU identification -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __ASM_ARCH_CPU_H -+#define __ASM_ARCH_CPU_H -+ -+/* -+ * Only AT32AP7000 is defined for now. We can identify the specific -+ * chip at runtime, but I'm not sure if it's really worth it. -+ */ -+#ifdef CONFIG_CPU_AT32AP7000 -+# define cpu_is_at32ap7000() (1) -+#else -+# define cpu_is_at32ap7000() (0) -+#endif -+ -+/* -+ * Since this is AVR32, we will never run on any AT91 CPU. But these -+ * definitions may reduce clutter in common drivers. -+ */ -+#define cpu_is_at91rm9200() (0) -+#define cpu_is_at91sam9xe() (0) -+#define cpu_is_at91sam9260() (0) -+#define cpu_is_at91sam9261() (0) -+#define cpu_is_at91sam9263() (0) -+ -+#endif /* __ASM_ARCH_CPU_H */ -diff --git a/include/asm-avr32/arch-at32ap/gpio.h b/include/asm-avr32/arch-at32ap/gpio.h -index 80a21aa..af7f953 100644 ---- a/include/asm-avr32/arch-at32ap/gpio.h -+++ b/include/asm-avr32/arch-at32ap/gpio.h -@@ -14,6 +14,8 @@ int gpio_direction_output(unsigned int gpio, int value); - int gpio_get_value(unsigned int gpio); - void gpio_set_value(unsigned int gpio, int value); - -+#include <asm-generic/gpio.h> /* cansleep wrappers */ -+ - static inline int gpio_to_irq(unsigned int gpio) - { - return gpio + GPIO_IRQ_BASE; -diff --git a/include/asm-avr32/arch-at32ap/io.h b/include/asm-avr32/arch-at32ap/io.h -new file mode 100644 -index 0000000..ee59e40 ---- /dev/null -+++ b/include/asm-avr32/arch-at32ap/io.h -@@ -0,0 +1,39 @@ -+#ifndef __ASM_AVR32_ARCH_AT32AP_IO_H -+#define __ASM_AVR32_ARCH_AT32AP_IO_H -+ -+/* For "bizarre" halfword swapping */ -+#include <linux/byteorder/swabb.h> -+ -+#if defined(CONFIG_AP7000_32_BIT_SMC) -+# define __swizzle_addr_b(addr) (addr ^ 3UL) -+# define __swizzle_addr_w(addr) (addr ^ 2UL) -+# define __swizzle_addr_l(addr) (addr) -+# define ioswabb(a, x) (x) -+# define ioswabw(a, x) (x) -+# define ioswabl(a, x) (x) -+# define __mem_ioswabb(a, x) (x) -+# define __mem_ioswabw(a, x) swab16(x) -+# define __mem_ioswabl(a, x) swab32(x) -+#elif defined(CONFIG_AP7000_16_BIT_SMC) -+# define __swizzle_addr_b(addr) (addr ^ 1UL) -+# define __swizzle_addr_w(addr) (addr) -+# define __swizzle_addr_l(addr) (addr) -+# define ioswabb(a, x) (x) -+# define ioswabw(a, x) (x) -+# define ioswabl(a, x) swahw32(x) -+# define __mem_ioswabb(a, x) (x) -+# define __mem_ioswabw(a, x) swab16(x) -+# define __mem_ioswabl(a, x) swahb32(x) -+#else -+# define __swizzle_addr_b(addr) (addr) -+# define __swizzle_addr_w(addr) (addr) -+# define __swizzle_addr_l(addr) (addr) -+# define ioswabb(a, x) (x) -+# define ioswabw(a, x) swab16(x) -+# define ioswabl(a, x) swab32(x) -+# define __mem_ioswabb(a, x) (x) -+# define __mem_ioswabw(a, x) (x) -+# define __mem_ioswabl(a, x) (x) -+#endif -+ -+#endif /* __ASM_AVR32_ARCH_AT32AP_IO_H */ -diff --git a/include/asm-avr32/arch-at32ap/smc.h b/include/asm-avr32/arch-at32ap/smc.h -index 3732b32..07152b7 100644 ---- a/include/asm-avr32/arch-at32ap/smc.h -+++ b/include/asm-avr32/arch-at32ap/smc.h -@@ -48,10 +48,32 @@ struct smc_config { - unsigned int nwe_controlled:1; - - /* -+ * 0: NWAIT is disabled -+ * 1: Reserved -+ * 2: NWAIT is frozen mode -+ * 3: NWAIT in ready mode -+ */ -+ unsigned int nwait_mode:2; -+ -+ /* - * 0: Byte select access type - * 1: Byte write access type - */ - unsigned int byte_write:1; -+ -+ /* -+ * Number of clock cycles before data is released after -+ * the rising edge of the read controlling signal -+ * -+ * Total cycles from SMC is tdf_cycles + 1 -+ */ -+ unsigned int tdf_cycles:4; -+ -+ /* -+ * 0: TDF optimization disabled -+ * 1: TDF optimization enabled -+ */ -+ unsigned int tdf_mode:1; - }; - - extern int smc_set_configuration(int cs, const struct smc_config *config); -diff --git a/include/asm-avr32/arch-at32ap/time.h b/include/asm-avr32/arch-at32ap/time.h -new file mode 100644 -index 0000000..cc8a434 ---- /dev/null -+++ b/include/asm-avr32/arch-at32ap/time.h -@@ -0,0 +1,112 @@ -+/* -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#ifndef _ASM_AVR32_ARCH_AT32AP_TIME_H -+#define _ASM_AVR32_ARCH_AT32AP_TIME_H -+ -+#include <linux/platform_device.h> -+ -+extern struct irqaction timer_irqaction; -+extern struct platform_device at32_systc0_device; -+extern void local_timer_interrupt(int irq, void *dev_id); -+ -+#define TIMER_BCR 0x000000c0 -+#define TIMER_BCR_SYNC 0 -+#define TIMER_BMR 0x000000c4 -+#define TIMER_BMR_TC0XC0S 0 -+#define TIMER_BMR_TC1XC1S 2 -+#define TIMER_BMR_TC2XC2S 4 -+#define TIMER_CCR 0x00000000 -+#define TIMER_CCR_CLKDIS 1 -+#define TIMER_CCR_CLKEN 0 -+#define TIMER_CCR_SWTRG 2 -+#define TIMER_CMR 0x00000004 -+#define TIMER_CMR_ABETRG 10 -+#define TIMER_CMR_ACPA 16 -+#define TIMER_CMR_ACPC 18 -+#define TIMER_CMR_AEEVT 20 -+#define TIMER_CMR_ASWTRG 22 -+#define TIMER_CMR_BCPB 24 -+#define TIMER_CMR_BCPC 26 -+#define TIMER_CMR_BEEVT 28 -+#define TIMER_CMR_BSWTRG 30 -+#define TIMER_CMR_BURST 4 -+#define TIMER_CMR_CLKI 3 -+#define TIMER_CMR_CPCDIS 7 -+#define TIMER_CMR_CPCSTOP 6 -+#define TIMER_CMR_CPCTRG 14 -+#define TIMER_CMR_EEVT 10 -+#define TIMER_CMR_EEVTEDG 8 -+#define TIMER_CMR_ENETRG 12 -+#define TIMER_CMR_ETRGEDG 8 -+#define TIMER_CMR_LDBDIS 7 -+#define TIMER_CMR_LDBSTOP 6 -+#define TIMER_CMR_LDRA 16 -+#define TIMER_CMR_LDRB 18 -+#define TIMER_CMR_TCCLKS 0 -+#define TIMER_CMR_WAVE 15 -+#define TIMER_CMR_WAVSEL 13 -+#define TIMER_CV 0x00000010 -+#define TIMER_CV_CV 0 -+#define TIMER_IDR 0x00000028 -+#define TIMER_IDR_COVFS 0 -+#define TIMER_IDR_CPAS 2 -+#define TIMER_IDR_CPBS 3 -+#define TIMER_IDR_CPCS 4 -+#define TIMER_IDR_ETRGS 7 -+#define TIMER_IDR_LDRAS 5 -+#define TIMER_IDR_LDRBS 6 -+#define TIMER_IDR_LOVRS 1 -+#define TIMER_IER 0x00000024 -+#define TIMER_IER_COVFS 0 -+#define TIMER_IER_CPAS 2 -+#define TIMER_IER_CPBS 3 -+#define TIMER_IER_CPCS 4 -+#define TIMER_IER_ETRGS 7 -+#define TIMER_IER_LDRAS 5 -+#define TIMER_IER_LDRBS 6 -+#define TIMER_IER_LOVRS 1 -+#define TIMER_IMR 0x0000002c -+#define TIMER_IMR_COVFS 0 -+#define TIMER_IMR_CPAS 2 -+#define TIMER_IMR_CPBS 3 -+#define TIMER_IMR_CPCS 4 -+#define TIMER_IMR_ETRGS 7 -+#define TIMER_IMR_LDRAS 5 -+#define TIMER_IMR_LDRBS 6 -+#define TIMER_IMR_LOVRS 1 -+#define TIMER_RA 0x00000014 -+#define TIMER_RA_RA 0 -+#define TIMER_RB 0x00000018 -+#define TIMER_RB_RB 0 -+#define TIMER_RC 0x0000001c -+#define TIMER_RC_RC 0 -+#define TIMER_SR 0x00000020 -+#define TIMER_SR_CLKSTA 16 -+#define TIMER_SR_COVFS 0 -+#define TIMER_SR_CPAS 2 -+#define TIMER_SR_CPBS 3 -+#define TIMER_SR_CPCS 4 -+#define TIMER_SR_ETRGS 7 -+#define TIMER_SR_LDRAS 5 -+#define TIMER_SR_LDRBS 6 -+#define TIMER_SR_LOVRS 1 -+#define TIMER_SR_MTIOA 17 -+#define TIMER_SR_MTIOB 18 -+ -+/* Bit manipulation macros */ -+#define TIMER_BIT(name) (1 << TIMER_##name) -+#define TIMER_BF(name,value) ((value) << TIMER_##name) -+ -+/* Register access macros */ -+#define timer_read(port,instance,reg) \ -+ __raw_readl(port + (0x40 * instance) + TIMER_##reg) -+#define timer_write(port,instance,reg,value) \ -+ __raw_writel((value), port + (0x40 * instance) + TIMER_##reg) -+ -+#endif /* _ASM_AVR32_ARCH_AT32AP_TIME_H */ -diff --git a/include/asm-avr32/atomic.h b/include/asm-avr32/atomic.h -index c40b603..b9c2548 100644 ---- a/include/asm-avr32/atomic.h -+++ b/include/asm-avr32/atomic.h -@@ -173,7 +173,7 @@ static inline int atomic_sub_if_positive(int i, atomic_t *v) - } - - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) --#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) -+#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) - - #define atomic_sub(i, v) (void)atomic_sub_return(i, v) - #define atomic_add(i, v) (void)atomic_add_return(i, v) -diff --git a/include/asm-avr32/bug.h b/include/asm-avr32/bug.h -index 521766b..afdcd79 100644 ---- a/include/asm-avr32/bug.h -+++ b/include/asm-avr32/bug.h -@@ -18,27 +18,53 @@ - - #ifdef CONFIG_DEBUG_BUGVERBOSE - --#define BUG() \ -- do { \ -- asm volatile(".hword %0\n\t" \ -- ".hword %1\n\t" \ -- ".long %2" \ -- : \ -- : "n"(AVR32_BUG_OPCODE), \ -- "i"(__LINE__), "X"(__FILE__)); \ -- } while (0) -+#define _BUG_OR_WARN(flags) \ -+ asm volatile( \ -+ "1: .hword %0\n" \ -+ " .section __bug_table,\"a\",@progbits\n" \ -+ "2: .long 1b\n" \ -+ " .long %1\n" \ -+ " .short %2\n" \ -+ " .short %3\n" \ -+ " .org 2b + %4\n" \ -+ " .previous" \ -+ : \ -+ : "i"(AVR32_BUG_OPCODE), "i"(__FILE__), \ -+ "i"(__LINE__), "i"(flags), \ -+ "i"(sizeof(struct bug_entry))) - - #else - -+#define _BUG_OR_WARN(flags) \ -+ asm volatile( \ -+ "1: .hword %0\n" \ -+ " .section __bug_table,\"a\",@progbits\n" \ -+ "2: .long 1b\n" \ -+ " .short %1\n" \ -+ " .org 2b + %2\n" \ -+ " .previous" \ -+ : \ -+ : "i"(AVR32_BUG_OPCODE), "i"(flags), \ -+ "i"(sizeof(struct bug_entry))) -+ -+#endif /* CONFIG_DEBUG_BUGVERBOSE */ -+ - #define BUG() \ - do { \ -- asm volatile(".hword %0\n\t" \ -- : : "n"(AVR32_BUG_OPCODE)); \ -+ _BUG_OR_WARN(0); \ -+ for (;;); \ - } while (0) - --#endif /* CONFIG_DEBUG_BUGVERBOSE */ -+#define WARN_ON(condition) \ -+ ({ \ -+ typeof(condition) __ret_warn_on = (condition); \ -+ if (unlikely(__ret_warn_on)) \ -+ _BUG_OR_WARN(BUGFLAG_WARNING); \ -+ unlikely(__ret_warn_on); \ -+ }) - - #define HAVE_ARCH_BUG -+#define HAVE_ARCH_WARN_ON - - #endif /* CONFIG_BUG */ - -diff --git a/include/asm-avr32/dma-controller.h b/include/asm-avr32/dma-controller.h -new file mode 100644 -index 0000000..56a4965 ---- /dev/null -+++ b/include/asm-avr32/dma-controller.h -@@ -0,0 +1,166 @@ -+/* -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __ASM_AVR32_DMA_CONTROLLER_H -+#define __ASM_AVR32_DMA_CONTROLLER_H -+ -+#include <linux/device.h> -+ -+#define DMA_DIR_MEM_TO_MEM 0x0000 -+#define DMA_DIR_MEM_TO_PERIPH 0x0001 -+#define DMA_DIR_PERIPH_TO_MEM 0x0002 -+#define DMA_DIR_PERIPH_TO_PERIPH 0x0003 -+ -+#define DMA_WIDTH_8BIT 0 -+#define DMA_WIDTH_16BIT 1 -+#define DMA_WIDTH_32BIT 2 -+ -+struct dma_request { -+ struct dma_controller *dmac; -+ struct list_head list; -+ -+ unsigned short channel; -+ -+ void (*xfer_complete)(struct dma_request *req); -+ void (*block_complete)(struct dma_request *req); -+ void (*error)(struct dma_request *req); -+}; -+ -+struct dma_request_sg { -+ struct dma_request req; -+ -+ int nr_sg; -+ struct scatterlist *sg; -+ unsigned long block_size; -+ unsigned int nr_blocks; -+ -+ dma_addr_t data_reg; -+ unsigned short periph_id; -+ -+ unsigned char direction; -+ unsigned char width; -+}; -+#define to_dma_request_sg(_req) \ -+ container_of(_req, struct dma_request_sg, req) -+ -+struct dma_request_cyclic { -+ struct dma_request req; -+ -+ int periods; -+ unsigned long buffer_size; -+ -+ dma_addr_t buffer_start; -+ dma_addr_t data_reg; -+ -+ unsigned short periph_id; -+ unsigned char direction; -+ unsigned char width; -+ -+ void *dev_id; -+}; -+#define to_dma_request_cyclic(_req) \ -+ container_of(_req, struct dma_request_cyclic, req) -+ -+struct dma_request_memcpy { -+ struct dma_request req; -+ -+ dma_addr_t src_addr; -+ unsigned int src_width; -+ unsigned int src_stride; -+ -+ dma_addr_t dst_addr; -+ unsigned int dst_width; -+ unsigned int dst_stride; -+ -+ size_t length; -+ -+ unsigned short src_reverse:1; -+ unsigned short dst_reverse:1; -+}; -+#define to_dma_request_memcpy(_req) \ -+ container_of(_req, struct dma_request_memcpy, req) -+ -+struct dma_controller { -+ struct list_head list; -+ int id; -+ struct device *dev; -+ -+ int (*alloc_channel)(struct dma_controller *dmac); -+ void (*release_channel)(struct dma_controller *dmac, -+ int channel); -+ int (*prepare_request_sg)(struct dma_controller *dmac, -+ struct dma_request_sg *req); -+ int (*prepare_request_cyclic)(struct dma_controller *dmac, -+ struct dma_request_cyclic *req); -+ int (*prepare_request_memcpy)(struct dma_controller *dmac, -+ struct dma_request_memcpy *req); -+ int (*start_request)(struct dma_controller *dmac, -+ unsigned int channel); -+ int (*stop_request)(struct dma_controller *dmac, -+ unsigned int channel); -+ dma_addr_t (*get_current_pos)(struct dma_controller *dmac, -+ unsigned int channel); -+}; -+ -+static inline int -+dma_alloc_channel(struct dma_controller *dmac) -+{ -+ return dmac->alloc_channel(dmac); -+} -+ -+static inline void -+dma_release_channel(struct dma_controller *dmac, int chan) -+{ -+ dmac->release_channel(dmac, chan); -+} -+ -+static inline int -+dma_prepare_request_sg(struct dma_controller *dmac, -+ struct dma_request_sg *req) -+{ -+ return dmac->prepare_request_sg(dmac, req); -+} -+ -+static inline int -+dma_prepare_request_cyclic(struct dma_controller *dmac, -+ struct dma_request_cyclic *req) -+{ -+ return dmac->prepare_request_cyclic(dmac, req); -+} -+ -+static inline int -+dma_prepare_request_memcpy(struct dma_controller *dmac, -+ struct dma_request_memcpy *req) -+{ -+ return dmac->prepare_request_memcpy(dmac, req); -+} -+ -+static inline int -+dma_start_request(struct dma_controller *dmac, -+ unsigned int channel) -+{ -+ return dmac->start_request(dmac, channel); -+} -+ -+static inline int -+dma_stop_request(struct dma_controller *dmac, -+ unsigned int channel) -+{ -+ return dmac->stop_request(dmac, channel); -+} -+ -+static inline dma_addr_t -+dma_get_current_pos(struct dma_controller *dmac, -+ unsigned int channel) -+{ -+ return dmac->get_current_pos(dmac, channel); -+} -+ -+extern int register_dma_controller(struct dma_controller *dmac); -+extern struct dma_controller *find_dma_controller(int id); -+ -+#endif /* __ASM_AVR32_DMA_CONTROLLER_H */ -diff --git a/include/asm-avr32/io.h b/include/asm-avr32/io.h -index c08e810..e30d4b3 100644 ---- a/include/asm-avr32/io.h -+++ b/include/asm-avr32/io.h -@@ -1,13 +1,15 @@ - #ifndef __ASM_AVR32_IO_H - #define __ASM_AVR32_IO_H - -+#include <linux/kernel.h> - #include <linux/string.h> -- --#ifdef __KERNEL__ -+#include <linux/types.h> - - #include <asm/addrspace.h> - #include <asm/byteorder.h> - -+#include <asm/arch/io.h> -+ - /* virt_to_phys will only work when address is in P1 or P2 */ - static __inline__ unsigned long virt_to_phys(volatile void *address) - { -@@ -36,104 +38,215 @@ extern void __raw_readsb(const void __iomem *addr, void *data, int bytelen); - extern void __raw_readsw(const void __iomem *addr, void *data, int wordlen); - extern void __raw_readsl(const void __iomem *addr, void *data, int longlen); - --static inline void writeb(unsigned char b, volatile void __iomem *addr) -+static inline void __raw_writeb(u8 v, volatile void __iomem *addr) - { -- *(volatile unsigned char __force *)addr = b; -+ *(volatile u8 __force *)addr = v; - } --static inline void writew(unsigned short b, volatile void __iomem *addr) -+static inline void __raw_writew(u16 v, volatile void __iomem *addr) - { -- *(volatile unsigned short __force *)addr = b; -+ *(volatile u16 __force *)addr = v; - } --static inline void writel(unsigned int b, volatile void __iomem *addr) -+static inline void __raw_writel(u32 v, volatile void __iomem *addr) - { -- *(volatile unsigned int __force *)addr = b; -+ *(volatile u32 __force *)addr = v; - } --#define __raw_writeb writeb --#define __raw_writew writew --#define __raw_writel writel - --static inline unsigned char readb(const volatile void __iomem *addr) -+static inline u8 __raw_readb(const volatile void __iomem *addr) - { -- return *(const volatile unsigned char __force *)addr; -+ return *(const volatile u8 __force *)addr; - } --static inline unsigned short readw(const volatile void __iomem *addr) -+static inline u16 __raw_readw(const volatile void __iomem *addr) - { -- return *(const volatile unsigned short __force *)addr; -+ return *(const volatile u16 __force *)addr; - } --static inline unsigned int readl(const volatile void __iomem *addr) -+static inline u32 __raw_readl(const volatile void __iomem *addr) - { -- return *(const volatile unsigned int __force *)addr; -+ return *(const volatile u32 __force *)addr; -+} -+ -+/* Convert I/O port address to virtual address */ -+#ifndef __io -+# define __io(p) ((void *)phys_to_uncached(p)) -+#endif -+ -+/* -+ * Not really sure about the best way to slow down I/O on -+ * AVR32. Defining it as a no-op until we have an actual test case. -+ */ -+#define SLOW_DOWN_IO do { } while (0) -+ -+#define __BUILD_MEMORY_SINGLE(pfx, bwl, type) \ -+static inline void \ -+pfx##write##bwl(type val, volatile void __iomem *addr) \ -+{ \ -+ volatile type *__addr; \ -+ type __val; \ -+ \ -+ __addr = (void *)__swizzle_addr_##bwl((unsigned long)(addr)); \ -+ __val = pfx##ioswab##bwl(__addr, val); \ -+ \ -+ BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long)); \ -+ \ -+ *__addr = __val; \ -+} \ -+ \ -+static inline type pfx##read##bwl(const volatile void __iomem *addr) \ -+{ \ -+ volatile type *__addr; \ -+ type __val; \ -+ \ -+ __addr = (void *)__swizzle_addr_##bwl((unsigned long)(addr)); \ -+ \ -+ BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long)); \ -+ \ -+ __val = *__addr; \ -+ return pfx##ioswab##bwl(__addr, __val); \ -+} -+ -+#define __BUILD_IOPORT_SINGLE(pfx, bwl, type, p, slow) \ -+static inline void pfx##out##bwl##p(type val, unsigned long port) \ -+{ \ -+ volatile type *__addr; \ -+ type __val; \ -+ \ -+ __addr = __io(__swizzle_addr_##bwl(port)); \ -+ __val = pfx##ioswab##bwl(__addr, val); \ -+ \ -+ BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long)); \ -+ \ -+ *__addr = __val; \ -+ slow; \ -+} \ -+ \ -+static inline type pfx##in##bwl##p(unsigned long port) \ -+{ \ -+ volatile type *__addr; \ -+ type __val; \ -+ \ -+ __addr = __io(__swizzle_addr_##bwl(port)); \ -+ \ -+ BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long)); \ -+ \ -+ __val = *__addr; \ -+ slow; \ -+ \ -+ return pfx##ioswab##bwl(__addr, __val); \ -+} -+ -+#define __BUILD_MEMORY_PFX(bus, bwl, type) \ -+ __BUILD_MEMORY_SINGLE(bus, bwl, type) -+ -+#define BUILDIO_MEM(bwl, type) \ -+ __BUILD_MEMORY_PFX(, bwl, type) \ -+ __BUILD_MEMORY_PFX(__mem_, bwl, type) -+ -+#define __BUILD_IOPORT_PFX(bus, bwl, type) \ -+ __BUILD_IOPORT_SINGLE(bus, bwl, type, ,) \ -+ __BUILD_IOPORT_SINGLE(bus, bwl, type, _p, SLOW_DOWN_IO) -+ -+#define BUILDIO_IOPORT(bwl, type) \ -+ __BUILD_IOPORT_PFX(, bwl, type) \ -+ __BUILD_IOPORT_PFX(__mem_, bwl, type) -+ -+BUILDIO_MEM(b, u8) -+BUILDIO_MEM(w, u16) -+BUILDIO_MEM(l, u32) -+ -+BUILDIO_IOPORT(b, u8) -+BUILDIO_IOPORT(w, u16) -+BUILDIO_IOPORT(l, u32) -+ -+#define readb_relaxed readb -+#define readw_relaxed readw -+#define readl_relaxed readl -+ -+#define __BUILD_MEMORY_STRING(bwl, type) \ -+static inline void writes##bwl(volatile void __iomem *addr, \ -+ const void *data, unsigned int count) \ -+{ \ -+ const type *__data = data; \ -+ \ -+ while (count--) \ -+ __mem_write##bwl(*__data++, addr); \ -+} \ -+ \ -+static inline void reads##bwl(const volatile void __iomem *addr, \ -+ void *data, unsigned int count) \ -+{ \ -+ type *__data = data; \ -+ \ -+ while (count--) \ -+ *__data++ = __mem_read##bwl(addr); \ - } --#define __raw_readb readb --#define __raw_readw readw --#define __raw_readl readl - --#define writesb(p, d, l) __raw_writesb((unsigned int)p, d, l) --#define writesw(p, d, l) __raw_writesw((unsigned int)p, d, l) --#define writesl(p, d, l) __raw_writesl((unsigned int)p, d, l) -+#define __BUILD_IOPORT_STRING(bwl, type) \ -+static inline void outs##bwl(unsigned long port, const void *data, \ -+ unsigned int count) \ -+{ \ -+ const type *__data = data; \ -+ \ -+ while (count--) \ -+ __mem_out##bwl(*__data++, port); \ -+} \ -+ \ -+static inline void ins##bwl(unsigned long port, void *data, \ -+ unsigned int count) \ -+{ \ -+ type *__data = data; \ -+ \ -+ while (count--) \ -+ *__data++ = __mem_in##bwl(port); \ -+} - --#define readsb(p, d, l) __raw_readsb((unsigned int)p, d, l) --#define readsw(p, d, l) __raw_readsw((unsigned int)p, d, l) --#define readsl(p, d, l) __raw_readsl((unsigned int)p, d, l) -+#define BUILDSTRING(bwl, type) \ -+ __BUILD_MEMORY_STRING(bwl, type) \ -+ __BUILD_IOPORT_STRING(bwl, type) - -+BUILDSTRING(b, u8) -+BUILDSTRING(w, u16) -+BUILDSTRING(l, u32) - - /* - * io{read,write}{8,16,32} macros in both le (for PCI style consumers) and native be - */ - #ifndef ioread8 - --#define ioread8(p) ({ unsigned int __v = __raw_readb(p); __v; }) -+#define ioread8(p) ((unsigned int)readb(p)) - --#define ioread16(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(p)); __v; }) --#define ioread16be(p) ({ unsigned int __v = be16_to_cpu(__raw_readw(p)); __v; }) -+#define ioread16(p) ((unsigned int)readw(p)) -+#define ioread16be(p) ((unsigned int)__raw_readw(p)) - --#define ioread32(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(p)); __v; }) --#define ioread32be(p) ({ unsigned int __v = be32_to_cpu(__raw_readl(p)); __v; }) -+#define ioread32(p) ((unsigned int)readl(p)) -+#define ioread32be(p) ((unsigned int)__raw_readl(p)) - --#define iowrite8(v,p) __raw_writeb(v, p) -+#define iowrite8(v,p) writeb(v, p) - --#define iowrite16(v,p) __raw_writew(cpu_to_le16(v), p) --#define iowrite16be(v,p) __raw_writew(cpu_to_be16(v), p) -+#define iowrite16(v,p) writew(v, p) -+#define iowrite16be(v,p) __raw_writew(v, p) - --#define iowrite32(v,p) __raw_writel(cpu_to_le32(v), p) --#define iowrite32be(v,p) __raw_writel(cpu_to_be32(v), p) -+#define iowrite32(v,p) writel(v, p) -+#define iowrite32be(v,p) __raw_writel(v, p) - --#define ioread8_rep(p,d,c) __raw_readsb(p,d,c) --#define ioread16_rep(p,d,c) __raw_readsw(p,d,c) --#define ioread32_rep(p,d,c) __raw_readsl(p,d,c) -+#define ioread8_rep(p,d,c) readsb(p,d,c) -+#define ioread16_rep(p,d,c) readsw(p,d,c) -+#define ioread32_rep(p,d,c) readsl(p,d,c) - --#define iowrite8_rep(p,s,c) __raw_writesb(p,s,c) --#define iowrite16_rep(p,s,c) __raw_writesw(p,s,c) --#define iowrite32_rep(p,s,c) __raw_writesl(p,s,c) -+#define iowrite8_rep(p,s,c) writesb(p,s,c) -+#define iowrite16_rep(p,s,c) writesw(p,s,c) -+#define iowrite32_rep(p,s,c) writesl(p,s,c) - - #endif - -- --/* -- * These two are only here because ALSA _thinks_ it needs them... -- */ - static inline void memcpy_fromio(void * to, const volatile void __iomem *from, - unsigned long count) - { -- char *p = to; -- while (count) { -- count--; -- *p = readb(from); -- p++; -- from++; -- } -+ memcpy(to, (const void __force *)from, count); - } - - static inline void memcpy_toio(volatile void __iomem *to, const void * from, - unsigned long count) - { -- const char *p = from; -- while (count) { -- count--; -- writeb(*p, to); -- p++; -- to++; -- } -+ memcpy((void __force *)to, from, count); - } - - static inline void memset_io(volatile void __iomem *addr, unsigned char val, -@@ -142,99 +255,8 @@ static inline void memset_io(volatile void __iomem *addr, unsigned char val, - memset((void __force *)addr, val, count); - } - --/* -- * Bad read/write accesses... -- */ --extern void __readwrite_bug(const char *fn); -- - #define IO_SPACE_LIMIT 0xffffffff - --/* Convert I/O port address to virtual address */ --#define __io(p) ((void __iomem *)phys_to_uncached(p)) -- --/* -- * IO port access primitives -- * ------------------------- -- * -- * The AVR32 doesn't have special IO access instructions; all IO is memory -- * mapped. Note that these are defined to perform little endian accesses -- * only. Their primary purpose is to access PCI and ISA peripherals. -- * -- * Note that for a big endian machine, this implies that the following -- * big endian mode connectivity is in place. -- * -- * The machine specific io.h include defines __io to translate an "IO" -- * address to a memory address. -- * -- * Note that we prevent GCC re-ordering or caching values in expressions -- * by introducing sequence points into the in*() definitions. Note that -- * __raw_* do not guarantee this behaviour. -- * -- * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space. -- */ --#define outb(v, p) __raw_writeb(v, __io(p)) --#define outw(v, p) __raw_writew(cpu_to_le16(v), __io(p)) --#define outl(v, p) __raw_writel(cpu_to_le32(v), __io(p)) -- --#define inb(p) __raw_readb(__io(p)) --#define inw(p) le16_to_cpu(__raw_readw(__io(p))) --#define inl(p) le32_to_cpu(__raw_readl(__io(p))) -- --static inline void __outsb(unsigned long port, void *addr, unsigned int count) --{ -- while (count--) { -- outb(*(u8 *)addr, port); -- addr++; -- } --} -- --static inline void __insb(unsigned long port, void *addr, unsigned int count) --{ -- while (count--) { -- *(u8 *)addr = inb(port); -- addr++; -- } --} -- --static inline void __outsw(unsigned long port, void *addr, unsigned int count) --{ -- while (count--) { -- outw(*(u16 *)addr, port); -- addr += 2; -- } --} -- --static inline void __insw(unsigned long port, void *addr, unsigned int count) --{ -- while (count--) { -- *(u16 *)addr = inw(port); -- addr += 2; -- } --} -- --static inline void __outsl(unsigned long port, void *addr, unsigned int count) --{ -- while (count--) { -- outl(*(u32 *)addr, port); -- addr += 4; -- } --} -- --static inline void __insl(unsigned long port, void *addr, unsigned int count) --{ -- while (count--) { -- *(u32 *)addr = inl(port); -- addr += 4; -- } --} -- --#define outsb(port, addr, count) __outsb(port, addr, count) --#define insb(port, addr, count) __insb(port, addr, count) --#define outsw(port, addr, count) __outsw(port, addr, count) --#define insw(port, addr, count) __insw(port, addr, count) --#define outsl(port, addr, count) __outsl(port, addr, count) --#define insl(port, addr, count) __insl(port, addr, count) -- - extern void __iomem *__ioremap(unsigned long offset, size_t size, - unsigned long flags); - extern void __iounmap(void __iomem *addr); -@@ -292,6 +314,4 @@ extern void __iounmap(void __iomem *addr); - */ - #define xlate_dev_kmem_ptr(p) p - --#endif /* __KERNEL__ */ -- - #endif /* __ASM_AVR32_IO_H */ -diff --git a/include/asm-avr32/kdebug.h b/include/asm-avr32/kdebug.h -index f583b64..a8c2f5e 100644 ---- a/include/asm-avr32/kdebug.h -+++ b/include/asm-avr32/kdebug.h -@@ -12,16 +12,12 @@ struct die_args { - - int register_die_notifier(struct notifier_block *nb); - int unregister_die_notifier(struct notifier_block *nb); --int register_page_fault_notifier(struct notifier_block *nb); --int unregister_page_fault_notifier(struct notifier_block *nb); - extern struct atomic_notifier_head avr32_die_chain; - - /* Grossly misnamed. */ - enum die_val { -- DIE_FAULT, - DIE_BREAKPOINT, - DIE_SSTEP, -- DIE_PAGE_FAULT, - }; - - static inline int notify_die(enum die_val val, struct pt_regs *regs, -@@ -35,4 +31,18 @@ static inline int notify_die(enum die_val val, struct pt_regs *regs, - return atomic_notifier_call_chain(&avr32_die_chain, val, &args); - } - -+/* -+ * These are only here because kprobes.c wants them to implement a -+ * blatant layering violation. Will hopefully go away soon once all -+ * architectures are updated. -+ */ -+static inline int register_page_fault_notifier(struct notifier_block *nb) -+{ -+ return 0; -+} -+static inline int unregister_page_fault_notifier(struct notifier_block *nb) -+{ -+ return 0; -+} -+ - #endif /* __ASM_AVR32_KDEBUG_H */ -diff --git a/include/asm-avr32/kprobes.h b/include/asm-avr32/kprobes.h -index 09a5cbe..190a637 100644 ---- a/include/asm-avr32/kprobes.h -+++ b/include/asm-avr32/kprobes.h -@@ -26,6 +26,7 @@ struct arch_specific_insn { - kprobe_opcode_t insn[MAX_INSN_SIZE]; - }; - -+extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); - extern int kprobe_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data); - -diff --git a/include/asm-avr32/pgtable.h b/include/asm-avr32/pgtable.h -index 6b8ca9d..f6cc2b0 100644 ---- a/include/asm-avr32/pgtable.h -+++ b/include/asm-avr32/pgtable.h -@@ -394,10 +394,6 @@ typedef pte_t *pte_addr_t; - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - /* No page table caches to initialize (?) */ - #define pgtable_cache_init() do { } while(0) - -diff --git a/include/asm-avr32/processor.h b/include/asm-avr32/processor.h -index f691377..6a64833 100644 ---- a/include/asm-avr32/processor.h -+++ b/include/asm-avr32/processor.h -@@ -40,6 +40,14 @@ enum tlb_config { - TLB_INVALID - }; - -+#define AVR32_FEATURE_RMW (1 << 0) -+#define AVR32_FEATURE_DSP (1 << 1) -+#define AVR32_FEATURE_SIMD (1 << 2) -+#define AVR32_FEATURE_OCD (1 << 3) -+#define AVR32_FEATURE_PCTR (1 << 4) -+#define AVR32_FEATURE_JAVA (1 << 5) -+#define AVR32_FEATURE_FPU (1 << 6) -+ - struct avr32_cpuinfo { - struct clk *clk; - unsigned long loops_per_jiffy; -@@ -48,6 +56,7 @@ struct avr32_cpuinfo { - unsigned short arch_revision; - unsigned short cpu_revision; - enum tlb_config tlb_config; -+ unsigned long features; - - struct cache_info icache; - struct cache_info dcache; -@@ -125,10 +134,10 @@ extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); - #define thread_saved_pc(tsk) ((tsk)->thread.cpu_context.pc) - - struct pt_regs; --void show_trace(struct task_struct *task, unsigned long *stack, -- struct pt_regs *regs); -- - extern unsigned long get_wchan(struct task_struct *p); -+extern void show_regs_log_lvl(struct pt_regs *regs, const char *log_lvl); -+extern void show_stack_log_lvl(struct task_struct *tsk, unsigned long sp, -+ struct pt_regs *regs, const char *log_lvl); - - #define KSTK_EIP(tsk) ((tsk)->thread.cpu_context.pc) - #define KSTK_ESP(tsk) ((tsk)->thread.cpu_context.ksp) -diff --git a/include/asm-avr32/scatterlist.h b/include/asm-avr32/scatterlist.h -index bfe7d75..c6d5ce3 100644 ---- a/include/asm-avr32/scatterlist.h -+++ b/include/asm-avr32/scatterlist.h -@@ -1,6 +1,8 @@ - #ifndef __ASM_AVR32_SCATTERLIST_H - #define __ASM_AVR32_SCATTERLIST_H - -+#include <asm/types.h> -+ - struct scatterlist { - struct page *page; - unsigned int offset; -diff --git a/include/asm-avr32/setup.h b/include/asm-avr32/setup.h -index 0a52242..b0828d4 100644 ---- a/include/asm-avr32/setup.h -+++ b/include/asm-avr32/setup.h -@@ -110,7 +110,7 @@ struct tagtable { - int (*parse)(struct tag *); - }; - --#define __tag __attribute_used__ __attribute__((__section__(".taglist"))) -+#define __tag __attribute_used__ __attribute__((__section__(".taglist.init"))) - #define __tagtable(tag, fn) \ - static struct tagtable __tagtable_##fn __tag = { tag, fn } - -@@ -124,19 +124,12 @@ struct tagtable { - #define for_each_tag(t,base) \ - for (t = base; t->hdr.size; t = tag_next(t)) - --extern struct tag_mem_range *mem_phys; --extern struct tag_mem_range *mem_reserved; --extern struct tag_mem_range *mem_ramdisk; -- - extern struct tag *bootloader_tags; - --extern void setup_bootmem(void); --extern void setup_processor(void); --extern void board_setup_fbmem(unsigned long fbmem_start, -- unsigned long fbmem_size); -+extern resource_size_t fbmem_start; -+extern resource_size_t fbmem_size; - --/* Chip-specific hook to enable the use of SDRAM */ --void chip_enable_sdram(void); -+void setup_processor(void); - - #endif /* !__ASSEMBLY__ */ - -diff --git a/include/asm-avr32/sysreg.h b/include/asm-avr32/sysreg.h -index f91975f..c02bc83 100644 ---- a/include/asm-avr32/sysreg.h -+++ b/include/asm-avr32/sysreg.h -@@ -7,326 +7,281 @@ - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ --#ifndef __ASM_AVR32_SYSREG_H__ --#define __ASM_AVR32_SYSREG_H__ -+#ifndef __ASM_AVR32_SYSREG_H -+#define __ASM_AVR32_SYSREG_H - - /* sysreg register offsets */ --#define SYSREG_SR 0x0000 --#define SYSREG_EVBA 0x0004 --#define SYSREG_ACBA 0x0008 --#define SYSREG_CPUCR 0x000c --#define SYSREG_ECR 0x0010 --#define SYSREG_RSR_SUP 0x0014 --#define SYSREG_RSR_INT0 0x0018 --#define SYSREG_RSR_INT1 0x001c --#define SYSREG_RSR_INT2 0x0020 --#define SYSREG_RSR_INT3 0x0024 --#define SYSREG_RSR_EX 0x0028 --#define SYSREG_RSR_NMI 0x002c --#define SYSREG_RSR_DBG 0x0030 --#define SYSREG_RAR_SUP 0x0034 --#define SYSREG_RAR_INT0 0x0038 --#define SYSREG_RAR_INT1 0x003c --#define SYSREG_RAR_INT2 0x0040 --#define SYSREG_RAR_INT3 0x0044 --#define SYSREG_RAR_EX 0x0048 --#define SYSREG_RAR_NMI 0x004c --#define SYSREG_RAR_DBG 0x0050 --#define SYSREG_JECR 0x0054 --#define SYSREG_JOSP 0x0058 --#define SYSREG_JAVA_LV0 0x005c --#define SYSREG_JAVA_LV1 0x0060 --#define SYSREG_JAVA_LV2 0x0064 --#define SYSREG_JAVA_LV3 0x0068 --#define SYSREG_JAVA_LV4 0x006c --#define SYSREG_JAVA_LV5 0x0070 --#define SYSREG_JAVA_LV6 0x0074 --#define SYSREG_JAVA_LV7 0x0078 --#define SYSREG_JTBA 0x007c --#define SYSREG_JBCR 0x0080 --#define SYSREG_CONFIG0 0x0100 --#define SYSREG_CONFIG1 0x0104 --#define SYSREG_COUNT 0x0108 --#define SYSREG_COMPARE 0x010c --#define SYSREG_TLBEHI 0x0110 --#define SYSREG_TLBELO 0x0114 --#define SYSREG_PTBR 0x0118 --#define SYSREG_TLBEAR 0x011c --#define SYSREG_MMUCR 0x0120 --#define SYSREG_TLBARLO 0x0124 --#define SYSREG_TLBARHI 0x0128 --#define SYSREG_PCCNT 0x012c --#define SYSREG_PCNT0 0x0130 --#define SYSREG_PCNT1 0x0134 --#define SYSREG_PCCR 0x0138 --#define SYSREG_BEAR 0x013c -+#define SYSREG_SR 0x0000 -+#define SYSREG_EVBA 0x0004 -+#define SYSREG_ACBA 0x0008 -+#define SYSREG_CPUCR 0x000c -+#define SYSREG_ECR 0x0010 -+#define SYSREG_RSR_SUP 0x0014 -+#define SYSREG_RSR_INT0 0x0018 -+#define SYSREG_RSR_INT1 0x001c -+#define SYSREG_RSR_INT2 0x0020 -+#define SYSREG_RSR_INT3 0x0024 -+#define SYSREG_RSR_EX 0x0028 -+#define SYSREG_RSR_NMI 0x002c -+#define SYSREG_RSR_DBG 0x0030 -+#define SYSREG_RAR_SUP 0x0034 -+#define SYSREG_RAR_INT0 0x0038 -+#define SYSREG_RAR_INT1 0x003c -+#define SYSREG_RAR_INT2 0x0040 -+#define SYSREG_RAR_INT3 0x0044 -+#define SYSREG_RAR_EX 0x0048 -+#define SYSREG_RAR_NMI 0x004c -+#define SYSREG_RAR_DBG 0x0050 -+#define SYSREG_JECR 0x0054 -+#define SYSREG_JOSP 0x0058 -+#define SYSREG_JAVA_LV0 0x005c -+#define SYSREG_JAVA_LV1 0x0060 -+#define SYSREG_JAVA_LV2 0x0064 -+#define SYSREG_JAVA_LV3 0x0068 -+#define SYSREG_JAVA_LV4 0x006c -+#define SYSREG_JAVA_LV5 0x0070 -+#define SYSREG_JAVA_LV6 0x0074 -+#define SYSREG_JAVA_LV7 0x0078 -+#define SYSREG_JTBA 0x007c -+#define SYSREG_JBCR 0x0080 -+#define SYSREG_CONFIG0 0x0100 -+#define SYSREG_CONFIG1 0x0104 -+#define SYSREG_COUNT 0x0108 -+#define SYSREG_COMPARE 0x010c -+#define SYSREG_TLBEHI 0x0110 -+#define SYSREG_TLBELO 0x0114 -+#define SYSREG_PTBR 0x0118 -+#define SYSREG_TLBEAR 0x011c -+#define SYSREG_MMUCR 0x0120 -+#define SYSREG_TLBARLO 0x0124 -+#define SYSREG_TLBARHI 0x0128 -+#define SYSREG_PCCNT 0x012c -+#define SYSREG_PCNT0 0x0130 -+#define SYSREG_PCNT1 0x0134 -+#define SYSREG_PCCR 0x0138 -+#define SYSREG_BEAR 0x013c -+#define SYSREG_SABAL 0x0300 -+#define SYSREG_SABAH 0x0304 -+#define SYSREG_SABD 0x0308 - - /* Bitfields in SR */ --#define SYSREG_SR_C_OFFSET 0 --#define SYSREG_SR_C_SIZE 1 --#define SYSREG_Z_OFFSET 1 --#define SYSREG_Z_SIZE 1 --#define SYSREG_SR_N_OFFSET 2 --#define SYSREG_SR_N_SIZE 1 --#define SYSREG_SR_V_OFFSET 3 --#define SYSREG_SR_V_SIZE 1 --#define SYSREG_Q_OFFSET 4 --#define SYSREG_Q_SIZE 1 --#define SYSREG_GM_OFFSET 16 --#define SYSREG_GM_SIZE 1 --#define SYSREG_I0M_OFFSET 17 --#define SYSREG_I0M_SIZE 1 --#define SYSREG_I1M_OFFSET 18 --#define SYSREG_I1M_SIZE 1 --#define SYSREG_I2M_OFFSET 19 --#define SYSREG_I2M_SIZE 1 --#define SYSREG_I3M_OFFSET 20 --#define SYSREG_I3M_SIZE 1 --#define SYSREG_EM_OFFSET 21 --#define SYSREG_EM_SIZE 1 --#define SYSREG_M0_OFFSET 22 --#define SYSREG_M0_SIZE 1 --#define SYSREG_M1_OFFSET 23 --#define SYSREG_M1_SIZE 1 --#define SYSREG_M2_OFFSET 24 --#define SYSREG_M2_SIZE 1 --#define SYSREG_SR_D_OFFSET 26 --#define SYSREG_SR_D_SIZE 1 --#define SYSREG_DM_OFFSET 27 --#define SYSREG_DM_SIZE 1 --#define SYSREG_SR_J_OFFSET 28 --#define SYSREG_SR_J_SIZE 1 --#define SYSREG_R_OFFSET 29 --#define SYSREG_R_SIZE 1 --#define SYSREG_H_OFFSET 30 --#define SYSREG_H_SIZE 1 -- --/* Bitfields in EVBA */ -- --/* Bitfields in ACBA */ -+#define SYSREG_SR_C_OFFSET 0 -+#define SYSREG_SR_C_SIZE 1 -+#define SYSREG_Z_OFFSET 1 -+#define SYSREG_Z_SIZE 1 -+#define SYSREG_SR_N_OFFSET 2 -+#define SYSREG_SR_N_SIZE 1 -+#define SYSREG_SR_V_OFFSET 3 -+#define SYSREG_SR_V_SIZE 1 -+#define SYSREG_Q_OFFSET 4 -+#define SYSREG_Q_SIZE 1 -+#define SYSREG_L_OFFSET 5 -+#define SYSREG_L_SIZE 1 -+#define SYSREG_T_OFFSET 14 -+#define SYSREG_T_SIZE 1 -+#define SYSREG_SR_R_OFFSET 15 -+#define SYSREG_SR_R_SIZE 1 -+#define SYSREG_GM_OFFSET 16 -+#define SYSREG_GM_SIZE 1 -+#define SYSREG_I0M_OFFSET 17 -+#define SYSREG_I0M_SIZE 1 -+#define SYSREG_I1M_OFFSET 18 -+#define SYSREG_I1M_SIZE 1 -+#define SYSREG_I2M_OFFSET 19 -+#define SYSREG_I2M_SIZE 1 -+#define SYSREG_I3M_OFFSET 20 -+#define SYSREG_I3M_SIZE 1 -+#define SYSREG_EM_OFFSET 21 -+#define SYSREG_EM_SIZE 1 -+#define SYSREG_M0_OFFSET 22 -+#define SYSREG_M0_SIZE 1 -+#define SYSREG_M1_OFFSET 23 -+#define SYSREG_M1_SIZE 1 -+#define SYSREG_M2_OFFSET 24 -+#define SYSREG_M2_SIZE 1 -+#define SYSREG_SR_D_OFFSET 26 -+#define SYSREG_SR_D_SIZE 1 -+#define SYSREG_DM_OFFSET 27 -+#define SYSREG_DM_SIZE 1 -+#define SYSREG_SR_J_OFFSET 28 -+#define SYSREG_SR_J_SIZE 1 -+#define SYSREG_H_OFFSET 29 -+#define SYSREG_H_SIZE 1 - - /* Bitfields in CPUCR */ --#define SYSREG_BI_OFFSET 0 --#define SYSREG_BI_SIZE 1 --#define SYSREG_BE_OFFSET 1 --#define SYSREG_BE_SIZE 1 --#define SYSREG_FE_OFFSET 2 --#define SYSREG_FE_SIZE 1 --#define SYSREG_RE_OFFSET 3 --#define SYSREG_RE_SIZE 1 --#define SYSREG_IBE_OFFSET 4 --#define SYSREG_IBE_SIZE 1 --#define SYSREG_IEE_OFFSET 5 --#define SYSREG_IEE_SIZE 1 -- --/* Bitfields in ECR */ --#define SYSREG_ECR_OFFSET 0 --#define SYSREG_ECR_SIZE 32 -- --/* Bitfields in RSR_SUP */ -- --/* Bitfields in RSR_INT0 */ -- --/* Bitfields in RSR_INT1 */ -- --/* Bitfields in RSR_INT2 */ -- --/* Bitfields in RSR_INT3 */ -- --/* Bitfields in RSR_EX */ -- --/* Bitfields in RSR_NMI */ -- --/* Bitfields in RSR_DBG */ -- --/* Bitfields in RAR_SUP */ -- --/* Bitfields in RAR_INT0 */ -- --/* Bitfields in RAR_INT1 */ -- --/* Bitfields in RAR_INT2 */ -- --/* Bitfields in RAR_INT3 */ -- --/* Bitfields in RAR_EX */ -- --/* Bitfields in RAR_NMI */ -- --/* Bitfields in RAR_DBG */ -- --/* Bitfields in JECR */ -- --/* Bitfields in JOSP */ -- --/* Bitfields in JAVA_LV0 */ -- --/* Bitfields in JAVA_LV1 */ -- --/* Bitfields in JAVA_LV2 */ -- --/* Bitfields in JAVA_LV3 */ -- --/* Bitfields in JAVA_LV4 */ -- --/* Bitfields in JAVA_LV5 */ -- --/* Bitfields in JAVA_LV6 */ -- --/* Bitfields in JAVA_LV7 */ -- --/* Bitfields in JTBA */ -- --/* Bitfields in JBCR */ -+#define SYSREG_BI_OFFSET 0 -+#define SYSREG_BI_SIZE 1 -+#define SYSREG_BE_OFFSET 1 -+#define SYSREG_BE_SIZE 1 -+#define SYSREG_FE_OFFSET 2 -+#define SYSREG_FE_SIZE 1 -+#define SYSREG_RE_OFFSET 3 -+#define SYSREG_RE_SIZE 1 -+#define SYSREG_IBE_OFFSET 4 -+#define SYSREG_IBE_SIZE 1 -+#define SYSREG_IEE_OFFSET 5 -+#define SYSREG_IEE_SIZE 1 - - /* Bitfields in CONFIG0 */ --#define SYSREG_CONFIG0_D_OFFSET 1 --#define SYSREG_CONFIG0_D_SIZE 1 --#define SYSREG_CONFIG0_S_OFFSET 2 --#define SYSREG_CONFIG0_S_SIZE 1 --#define SYSREG_O_OFFSET 3 --#define SYSREG_O_SIZE 1 --#define SYSREG_P_OFFSET 4 --#define SYSREG_P_SIZE 1 --#define SYSREG_CONFIG0_J_OFFSET 5 --#define SYSREG_CONFIG0_J_SIZE 1 --#define SYSREG_F_OFFSET 6 --#define SYSREG_F_SIZE 1 --#define SYSREG_MMUT_OFFSET 7 --#define SYSREG_MMUT_SIZE 3 --#define SYSREG_AR_OFFSET 10 --#define SYSREG_AR_SIZE 3 --#define SYSREG_AT_OFFSET 13 --#define SYSREG_AT_SIZE 3 --#define SYSREG_PROCESSORREVISION_OFFSET 16 --#define SYSREG_PROCESSORREVISION_SIZE 8 --#define SYSREG_PROCESSORID_OFFSET 24 --#define SYSREG_PROCESSORID_SIZE 8 -+#define SYSREG_CONFIG0_R_OFFSET 0 -+#define SYSREG_CONFIG0_R_SIZE 1 -+#define SYSREG_CONFIG0_D_OFFSET 1 -+#define SYSREG_CONFIG0_D_SIZE 1 -+#define SYSREG_CONFIG0_S_OFFSET 2 -+#define SYSREG_CONFIG0_S_SIZE 1 -+#define SYSREG_CONFIG0_O_OFFSET 3 -+#define SYSREG_CONFIG0_O_SIZE 1 -+#define SYSREG_CONFIG0_P_OFFSET 4 -+#define SYSREG_CONFIG0_P_SIZE 1 -+#define SYSREG_CONFIG0_J_OFFSET 5 -+#define SYSREG_CONFIG0_J_SIZE 1 -+#define SYSREG_CONFIG0_F_OFFSET 6 -+#define SYSREG_CONFIG0_F_SIZE 1 -+#define SYSREG_MMUT_OFFSET 7 -+#define SYSREG_MMUT_SIZE 3 -+#define SYSREG_AR_OFFSET 10 -+#define SYSREG_AR_SIZE 3 -+#define SYSREG_AT_OFFSET 13 -+#define SYSREG_AT_SIZE 3 -+#define SYSREG_PROCESSORREVISION_OFFSET 16 -+#define SYSREG_PROCESSORREVISION_SIZE 8 -+#define SYSREG_PROCESSORID_OFFSET 24 -+#define SYSREG_PROCESSORID_SIZE 8 - - /* Bitfields in CONFIG1 */ --#define SYSREG_DASS_OFFSET 0 --#define SYSREG_DASS_SIZE 3 --#define SYSREG_DLSZ_OFFSET 3 --#define SYSREG_DLSZ_SIZE 3 --#define SYSREG_DSET_OFFSET 6 --#define SYSREG_DSET_SIZE 4 --#define SYSREG_IASS_OFFSET 10 --#define SYSREG_IASS_SIZE 2 --#define SYSREG_ILSZ_OFFSET 13 --#define SYSREG_ILSZ_SIZE 3 --#define SYSREG_ISET_OFFSET 16 --#define SYSREG_ISET_SIZE 4 --#define SYSREG_DMMUSZ_OFFSET 20 --#define SYSREG_DMMUSZ_SIZE 6 --#define SYSREG_IMMUSZ_OFFSET 26 --#define SYSREG_IMMUSZ_SIZE 6 -- --/* Bitfields in COUNT */ -- --/* Bitfields in COMPARE */ -+#define SYSREG_DASS_OFFSET 0 -+#define SYSREG_DASS_SIZE 3 -+#define SYSREG_DLSZ_OFFSET 3 -+#define SYSREG_DLSZ_SIZE 3 -+#define SYSREG_DSET_OFFSET 6 -+#define SYSREG_DSET_SIZE 4 -+#define SYSREG_IASS_OFFSET 10 -+#define SYSREG_IASS_SIZE 3 -+#define SYSREG_ILSZ_OFFSET 13 -+#define SYSREG_ILSZ_SIZE 3 -+#define SYSREG_ISET_OFFSET 16 -+#define SYSREG_ISET_SIZE 4 -+#define SYSREG_DMMUSZ_OFFSET 20 -+#define SYSREG_DMMUSZ_SIZE 6 -+#define SYSREG_IMMUSZ_OFFSET 26 -+#define SYSREG_IMMUSZ_SIZE 6 - - /* Bitfields in TLBEHI */ --#define SYSREG_ASID_OFFSET 0 --#define SYSREG_ASID_SIZE 8 --#define SYSREG_TLBEHI_I_OFFSET 8 --#define SYSREG_TLBEHI_I_SIZE 1 --#define SYSREG_TLBEHI_V_OFFSET 9 --#define SYSREG_TLBEHI_V_SIZE 1 --#define SYSREG_VPN_OFFSET 10 --#define SYSREG_VPN_SIZE 22 -+#define SYSREG_ASID_OFFSET 0 -+#define SYSREG_ASID_SIZE 8 -+#define SYSREG_TLBEHI_I_OFFSET 8 -+#define SYSREG_TLBEHI_I_SIZE 1 -+#define SYSREG_TLBEHI_V_OFFSET 9 -+#define SYSREG_TLBEHI_V_SIZE 1 -+#define SYSREG_VPN_OFFSET 10 -+#define SYSREG_VPN_SIZE 22 - - /* Bitfields in TLBELO */ --#define SYSREG_W_OFFSET 0 --#define SYSREG_W_SIZE 1 --#define SYSREG_TLBELO_D_OFFSET 1 --#define SYSREG_TLBELO_D_SIZE 1 --#define SYSREG_SZ_OFFSET 2 --#define SYSREG_SZ_SIZE 2 --#define SYSREG_AP_OFFSET 4 --#define SYSREG_AP_SIZE 3 --#define SYSREG_B_OFFSET 7 --#define SYSREG_B_SIZE 1 --#define SYSREG_G_OFFSET 8 --#define SYSREG_G_SIZE 1 --#define SYSREG_TLBELO_C_OFFSET 9 --#define SYSREG_TLBELO_C_SIZE 1 --#define SYSREG_PFN_OFFSET 10 --#define SYSREG_PFN_SIZE 22 -- --/* Bitfields in PTBR */ -- --/* Bitfields in TLBEAR */ -+#define SYSREG_W_OFFSET 0 -+#define SYSREG_W_SIZE 1 -+#define SYSREG_TLBELO_D_OFFSET 1 -+#define SYSREG_TLBELO_D_SIZE 1 -+#define SYSREG_SZ_OFFSET 2 -+#define SYSREG_SZ_SIZE 2 -+#define SYSREG_AP_OFFSET 4 -+#define SYSREG_AP_SIZE 3 -+#define SYSREG_B_OFFSET 7 -+#define SYSREG_B_SIZE 1 -+#define SYSREG_G_OFFSET 8 -+#define SYSREG_G_SIZE 1 -+#define SYSREG_TLBELO_C_OFFSET 9 -+#define SYSREG_TLBELO_C_SIZE 1 -+#define SYSREG_PFN_OFFSET 10 -+#define SYSREG_PFN_SIZE 22 - - /* Bitfields in MMUCR */ --#define SYSREG_E_OFFSET 0 --#define SYSREG_E_SIZE 1 --#define SYSREG_M_OFFSET 1 --#define SYSREG_M_SIZE 1 --#define SYSREG_MMUCR_I_OFFSET 2 --#define SYSREG_MMUCR_I_SIZE 1 --#define SYSREG_MMUCR_N_OFFSET 3 --#define SYSREG_MMUCR_N_SIZE 1 --#define SYSREG_MMUCR_S_OFFSET 4 --#define SYSREG_MMUCR_S_SIZE 1 --#define SYSREG_DLA_OFFSET 8 --#define SYSREG_DLA_SIZE 6 --#define SYSREG_DRP_OFFSET 14 --#define SYSREG_DRP_SIZE 6 --#define SYSREG_ILA_OFFSET 20 --#define SYSREG_ILA_SIZE 6 --#define SYSREG_IRP_OFFSET 26 --#define SYSREG_IRP_SIZE 6 -- --/* Bitfields in TLBARLO */ -- --/* Bitfields in TLBARHI */ -- --/* Bitfields in PCCNT */ -- --/* Bitfields in PCNT0 */ -- --/* Bitfields in PCNT1 */ -+#define SYSREG_E_OFFSET 0 -+#define SYSREG_E_SIZE 1 -+#define SYSREG_M_OFFSET 1 -+#define SYSREG_M_SIZE 1 -+#define SYSREG_MMUCR_I_OFFSET 2 -+#define SYSREG_MMUCR_I_SIZE 1 -+#define SYSREG_MMUCR_N_OFFSET 3 -+#define SYSREG_MMUCR_N_SIZE 1 -+#define SYSREG_MMUCR_S_OFFSET 4 -+#define SYSREG_MMUCR_S_SIZE 1 -+#define SYSREG_DLA_OFFSET 8 -+#define SYSREG_DLA_SIZE 6 -+#define SYSREG_DRP_OFFSET 14 -+#define SYSREG_DRP_SIZE 6 -+#define SYSREG_ILA_OFFSET 20 -+#define SYSREG_ILA_SIZE 6 -+#define SYSREG_IRP_OFFSET 26 -+#define SYSREG_IRP_SIZE 6 - - /* Bitfields in PCCR */ -- --/* Bitfields in BEAR */ -+#define SYSREG_PCCR_R_OFFSET 1 -+#define SYSREG_PCCR_R_SIZE 1 -+#define SYSREG_PCCR_C_OFFSET 2 -+#define SYSREG_PCCR_C_SIZE 1 -+#define SYSREG_PCCR_S_OFFSET 3 -+#define SYSREG_PCCR_S_SIZE 1 -+#define SYSREG_IEC_OFFSET 4 -+#define SYSREG_IEC_SIZE 1 -+#define SYSREG_IE0_OFFSET 5 -+#define SYSREG_IE0_SIZE 1 -+#define SYSREG_IE1_OFFSET 6 -+#define SYSREG_IE1_SIZE 1 -+#define SYSREG_FC_OFFSET 8 -+#define SYSREG_FC_SIZE 1 -+#define SYSREG_F0_OFFSET 9 -+#define SYSREG_F0_SIZE 1 -+#define SYSREG_F1_OFFSET 10 -+#define SYSREG_F1_SIZE 1 -+#define SYSREG_CONF0_OFFSET 12 -+#define SYSREG_CONF0_SIZE 6 -+#define SYSREG_CONF1_OFFSET 18 -+#define SYSREG_CONF1_SIZE 6 - - /* Constants for ECR */ --#define ECR_UNRECOVERABLE 0 --#define ECR_TLB_MULTIPLE 1 --#define ECR_BUS_ERROR_WRITE 2 --#define ECR_BUS_ERROR_READ 3 --#define ECR_NMI 4 --#define ECR_ADDR_ALIGN_X 5 --#define ECR_PROTECTION_X 6 --#define ECR_DEBUG 7 --#define ECR_ILLEGAL_OPCODE 8 --#define ECR_UNIMPL_INSTRUCTION 9 --#define ECR_PRIVILEGE_VIOLATION 10 --#define ECR_FPE 11 --#define ECR_COPROC_ABSENT 12 --#define ECR_ADDR_ALIGN_R 13 --#define ECR_ADDR_ALIGN_W 14 --#define ECR_PROTECTION_R 15 --#define ECR_PROTECTION_W 16 --#define ECR_DTLB_MODIFIED 17 --#define ECR_TLB_MISS_X 20 --#define ECR_TLB_MISS_R 24 --#define ECR_TLB_MISS_W 28 -+#define ECR_UNRECOVERABLE 0 -+#define ECR_TLB_MULTIPLE 1 -+#define ECR_BUS_ERROR_WRITE 2 -+#define ECR_BUS_ERROR_READ 3 -+#define ECR_NMI 4 -+#define ECR_ADDR_ALIGN_X 5 -+#define ECR_PROTECTION_X 6 -+#define ECR_DEBUG 7 -+#define ECR_ILLEGAL_OPCODE 8 -+#define ECR_UNIMPL_INSTRUCTION 9 -+#define ECR_PRIVILEGE_VIOLATION 10 -+#define ECR_FPE 11 -+#define ECR_COPROC_ABSENT 12 -+#define ECR_ADDR_ALIGN_R 13 -+#define ECR_ADDR_ALIGN_W 14 -+#define ECR_PROTECTION_R 15 -+#define ECR_PROTECTION_W 16 -+#define ECR_DTLB_MODIFIED 17 -+#define ECR_TLB_MISS_X 20 -+#define ECR_TLB_MISS_R 24 -+#define ECR_TLB_MISS_W 28 - - /* Bit manipulation macros */ --#define SYSREG_BIT(name) (1 << SYSREG_##name##_OFFSET) --#define SYSREG_BF(name,value) (((value) & ((1 << SYSREG_##name##_SIZE) - 1)) << SYSREG_##name##_OFFSET) --#define SYSREG_BFEXT(name,value) (((value) >> SYSREG_##name##_OFFSET) & ((1 << SYSREG_##name##_SIZE) - 1)) --#define SYSREG_BFINS(name,value,old) (((old) & ~(((1 << SYSREG_##name##_SIZE) - 1) << SYSREG_##name##_OFFSET)) | SYSREG_BF(name,value)) -+#define SYSREG_BIT(name) \ -+ (1 << SYSREG_##name##_OFFSET) -+#define SYSREG_BF(name,value) \ -+ (((value) & ((1 << SYSREG_##name##_SIZE) - 1)) \ -+ << SYSREG_##name##_OFFSET) -+#define SYSREG_BFEXT(name,value)\ -+ (((value) >> SYSREG_##name##_OFFSET) \ -+ & ((1 << SYSREG_##name##_SIZE) - 1)) -+#define SYSREG_BFINS(name,value,old) \ -+ (((old) & ~(((1 << SYSREG_##name##_SIZE) - 1) \ -+ << SYSREG_##name##_OFFSET)) \ -+ | SYSREG_BF(name,value)) - -+/* Register access macros */ - #ifdef __CHECKER__ - extern unsigned long __builtin_mfsr(unsigned long reg); - extern void __builtin_mtsr(unsigned long reg, unsigned long value); - #endif - --/* Register access macros */ --#define sysreg_read(reg) __builtin_mfsr(SYSREG_##reg) --#define sysreg_write(reg, value) __builtin_mtsr(SYSREG_##reg, value) -+#define sysreg_read(reg) __builtin_mfsr(SYSREG_##reg) -+#define sysreg_write(reg, value) __builtin_mtsr(SYSREG_##reg, value) - --#endif /* __ASM_AVR32_SYSREG_H__ */ -+#endif /* __ASM_AVR32_SYSREG_H */ -diff --git a/include/asm-avr32/system.h b/include/asm-avr32/system.h -index ac59605..a8236ba 100644 ---- a/include/asm-avr32/system.h -+++ b/include/asm-avr32/system.h -@@ -9,6 +9,7 @@ - #define __ASM_AVR32_SYSTEM_H - - #include <linux/compiler.h> -+#include <linux/linkage.h> - #include <linux/types.h> - - #include <asm/ptrace.h> -@@ -140,15 +141,9 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, - sizeof(*(ptr)))) - - struct pt_regs; --extern void __die(const char *, struct pt_regs *, unsigned long, -- const char *, const char *, unsigned long); --extern void __die_if_kernel(const char *, struct pt_regs *, unsigned long, -- const char *, const char *, unsigned long); -- --#define die(msg, regs, err) \ -- __die(msg, regs, err, __FILE__ ":", __FUNCTION__, __LINE__) --#define die_if_kernel(msg, regs, err) \ -- __die_if_kernel(msg, regs, err, __FILE__ ":", __FUNCTION__, __LINE__) -+void NORET_TYPE die(const char *str, struct pt_regs *regs, long err); -+void _exception(long signr, struct pt_regs *regs, int code, -+ unsigned long addr); - - #define arch_align_stack(x) (x) - -diff --git a/include/asm-avr32/thread_info.h b/include/asm-avr32/thread_info.h -index d1f5b35..a2e606d 100644 ---- a/include/asm-avr32/thread_info.h -+++ b/include/asm-avr32/thread_info.h -@@ -83,6 +83,7 @@ static inline struct thread_info *current_thread_info(void) - #define TIF_SINGLE_STEP 6 /* single step after next break */ - #define TIF_MEMDIE 7 - #define TIF_RESTORE_SIGMASK 8 /* restore signal mask in do_signal */ -+#define TIF_CPU_GOING_TO_SLEEP 9 /* CPU is entering sleep 0 mode */ - #define TIF_USERSPACE 31 /* true if FS sets userspace */ - - #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) -@@ -94,6 +95,7 @@ static inline struct thread_info *current_thread_info(void) - #define _TIF_SINGLE_STEP (1 << TIF_SINGLE_STEP) - #define _TIF_MEMDIE (1 << TIF_MEMDIE) - #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) -+#define _TIF_CPU_GOING_TO_SLEEP (1 << TIF_CPU_GOING_TO_SLEEP) - - /* XXX: These two masks must never span more than 16 bits! */ - /* work to do on interrupt/exception return */ -diff --git a/include/asm-avr32/uaccess.h b/include/asm-avr32/uaccess.h -index 74a679e..ed09239 100644 ---- a/include/asm-avr32/uaccess.h -+++ b/include/asm-avr32/uaccess.h -@@ -181,24 +181,23 @@ extern int __put_user_bad(void); - - #define __get_user_nocheck(x, ptr, size) \ - ({ \ -- typeof(*(ptr)) __gu_val = (typeof(*(ptr)) __force)0; \ -+ unsigned long __gu_val = 0; \ - int __gu_err = 0; \ - \ - switch (size) { \ - case 1: __get_user_asm("ub", __gu_val, ptr, __gu_err); break; \ - case 2: __get_user_asm("uh", __gu_val, ptr, __gu_err); break; \ - case 4: __get_user_asm("w", __gu_val, ptr, __gu_err); break; \ -- case 8: __get_user_asm("d", __gu_val, ptr, __gu_err); break; \ - default: __gu_err = __get_user_bad(); break; \ - } \ - \ -- x = __gu_val; \ -+ x = (typeof(*(ptr)))__gu_val; \ - __gu_err; \ - }) - - #define __get_user_check(x, ptr, size) \ - ({ \ -- typeof(*(ptr)) __gu_val = (typeof(*(ptr)) __force)0; \ -+ unsigned long __gu_val = 0; \ - const typeof(*(ptr)) __user * __gu_addr = (ptr); \ - int __gu_err = 0; \ - \ -@@ -216,10 +215,6 @@ extern int __put_user_bad(void); - __get_user_asm("w", __gu_val, __gu_addr, \ - __gu_err); \ - break; \ -- case 8: \ -- __get_user_asm("d", __gu_val, __gu_addr, \ -- __gu_err); \ -- break; \ - default: \ - __gu_err = __get_user_bad(); \ - break; \ -@@ -227,7 +222,7 @@ extern int __put_user_bad(void); - } else { \ - __gu_err = -EFAULT; \ - } \ -- x = __gu_val; \ -+ x = (typeof(*(ptr)))__gu_val; \ - __gu_err; \ - }) - -diff --git a/include/asm-avr32/unaligned.h b/include/asm-avr32/unaligned.h -index 3042723..7913617 100644 ---- a/include/asm-avr32/unaligned.h -+++ b/include/asm-avr32/unaligned.h -@@ -6,20 +6,31 @@ - * implementation. The AVR32 AP implementation can handle unaligned - * words, but halfwords must be halfword-aligned, and doublewords must - * be word-aligned. -- * -- * TODO: Make all this CPU-specific and optimize. - */ - --#include <linux/string.h> -+#include <asm-generic/unaligned.h> - --/* Use memmove here, so gcc does not insert a __builtin_memcpy. */ -+#ifdef CONFIG_CPU_AT32AP7000 - -+/* REVISIT calling memmove() may be smaller for 64-bit values ... */ -+ -+#undef get_unaligned - #define get_unaligned(ptr) \ -- ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; }) -+ ___get_unaligned(ptr, sizeof((*ptr))) -+#define ___get_unaligned(ptr, size) \ -+ ((size == 4) ? *(ptr) : __get_unaligned(ptr, size)) -+ -+#undef put_unaligned -+#define put_unaligned(val, ptr) \ -+ ___put_unaligned((__u64)(val), ptr, sizeof((*ptr))) -+#define ___put_unaligned(val, ptr, size) \ -+do { \ -+ if (size == 4) \ -+ *(ptr) = (val); \ -+ else \ -+ __put_unaligned(val, ptr, size); \ -+} while (0) - --#define put_unaligned(val, ptr) \ -- ({ __typeof__(*(ptr)) __tmp = (val); \ -- memmove((ptr), &__tmp, sizeof(*(ptr))); \ -- (void)0; }) -+#endif - - #endif /* __ASM_AVR32_UNALIGNED_H */ -diff --git a/include/asm-frv/pgtable.h b/include/asm-frv/pgtable.h -index 8a05aa1..2687c77 100644 ---- a/include/asm-frv/pgtable.h -+++ b/include/asm-frv/pgtable.h -@@ -509,10 +509,6 @@ static inline int pte_file(pte_t pte) - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG - #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY - #define __HAVE_ARCH_PTEP_GET_AND_CLEAR -diff --git a/include/asm-frv/scatterlist.h b/include/asm-frv/scatterlist.h -index fb38fd3..8e827fa 100644 ---- a/include/asm-frv/scatterlist.h -+++ b/include/asm-frv/scatterlist.h -@@ -1,6 +1,8 @@ - #ifndef _ASM_SCATTERLIST_H - #define _ASM_SCATTERLIST_H - -+#include <asm/types.h> -+ - /* - * Drivers must set either ->address or (preferred) ->page and ->offset - * to indicate where data must be transferred to/from. -diff --git a/include/asm-h8300/pgtable.h b/include/asm-h8300/pgtable.h -index 8b7c685..170ea02 100644 ---- a/include/asm-h8300/pgtable.h -+++ b/include/asm-h8300/pgtable.h -@@ -55,10 +55,6 @@ extern int is_in_rom(unsigned long); - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - /* - * All 32bit addresses are effectively valid for vmalloc... - * Sort of meaningless for non-VM targets. -diff --git a/include/asm-h8300/scatterlist.h b/include/asm-h8300/scatterlist.h -index 7627f0c..985fdf5 100644 ---- a/include/asm-h8300/scatterlist.h -+++ b/include/asm-h8300/scatterlist.h -@@ -1,6 +1,8 @@ - #ifndef _H8300_SCATTERLIST_H - #define _H8300_SCATTERLIST_H - -+#include <asm/types.h> -+ - struct scatterlist { - struct page *page; - unsigned int offset; -diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h -index c3b58d4..994cf30 100644 ---- a/include/asm-i386/pgtable.h -+++ b/include/asm-i386/pgtable.h -@@ -519,10 +519,6 @@ do { \ - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - #include <asm-generic/pgtable.h> - - #endif /* _I386_PGTABLE_H */ -diff --git a/include/asm-i386/scatterlist.h b/include/asm-i386/scatterlist.h -index 55d6c95..d7e45a8 100644 ---- a/include/asm-i386/scatterlist.h -+++ b/include/asm-i386/scatterlist.h -@@ -1,6 +1,8 @@ - #ifndef _I386_SCATTERLIST_H - #define _I386_SCATTERLIST_H - -+#include <asm/types.h> -+ - struct scatterlist { - struct page *page; - unsigned int offset; -diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h -index 5531827..670b706 100644 ---- a/include/asm-ia64/pgtable.h -+++ b/include/asm-ia64/pgtable.h -@@ -485,10 +485,6 @@ extern void paging_init (void); - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - /* - * ZERO_PAGE is a global shared page that is always zero: used - * for zero-mapped memory areas etc.. -diff --git a/include/asm-ia64/scatterlist.h b/include/asm-ia64/scatterlist.h -index 9dbea88..a452ea2 100644 ---- a/include/asm-ia64/scatterlist.h -+++ b/include/asm-ia64/scatterlist.h -@@ -6,6 +6,8 @@ - * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co - */ - -+#include <asm/types.h> -+ - struct scatterlist { - struct page *page; - unsigned int offset; -diff --git a/include/asm-m32r/pgtable.h b/include/asm-m32r/pgtable.h -index 1c15ba7..8b2a2f1 100644 ---- a/include/asm-m32r/pgtable.h -+++ b/include/asm-m32r/pgtable.h -@@ -381,10 +381,6 @@ static inline void pmd_set(pmd_t * pmdp, pte_t * ptep) - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG - #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY - #define __HAVE_ARCH_PTEP_GET_AND_CLEAR -diff --git a/include/asm-m32r/scatterlist.h b/include/asm-m32r/scatterlist.h -index c2de96c..352415f 100644 ---- a/include/asm-m32r/scatterlist.h -+++ b/include/asm-m32r/scatterlist.h -@@ -1,6 +1,8 @@ - #ifndef _ASM_M32R_SCATTERLIST_H - #define _ASM_M32R_SCATTERLIST_H - -+#include <asm/types.h> -+ - struct scatterlist { - char * address; /* Location data is to be transferred to, NULL for - * highmem page */ -diff --git a/include/asm-m68k/pgtable.h b/include/asm-m68k/pgtable.h -index f3aa053..555b87a 100644 ---- a/include/asm-m68k/pgtable.h -+++ b/include/asm-m68k/pgtable.h -@@ -143,10 +143,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - /* MMU-specific headers */ - - #ifdef CONFIG_SUN3 -diff --git a/include/asm-m68knommu/pgtable.h b/include/asm-m68knommu/pgtable.h -index 549ad23..9dfbbc2 100644 ---- a/include/asm-m68knommu/pgtable.h -+++ b/include/asm-m68knommu/pgtable.h -@@ -59,10 +59,6 @@ extern int is_in_rom(unsigned long); - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - /* - * All 32bit addresses are effectively valid for vmalloc... - * Sort of meaningless for non-VM targets. -diff --git a/include/asm-m68knommu/scatterlist.h b/include/asm-m68knommu/scatterlist.h -index 2085d6f..4da79d3 100644 ---- a/include/asm-m68knommu/scatterlist.h -+++ b/include/asm-m68knommu/scatterlist.h -@@ -2,6 +2,7 @@ - #define _M68KNOMMU_SCATTERLIST_H - - #include <linux/mm.h> -+#include <asm/types.h> - - struct scatterlist { - struct page *page; -diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h -index 0d3295f..27d77d9 100644 ---- a/include/asm-mips/pgtable.h -+++ b/include/asm-mips/pgtable.h -@@ -387,10 +387,6 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, - remap_pfn_range(vma, vaddr, pfn, size, prot) - #endif - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - #include <asm-generic/pgtable.h> - - /* -diff --git a/include/asm-mips/scatterlist.h b/include/asm-mips/scatterlist.h -index 2263470..7af104c 100644 ---- a/include/asm-mips/scatterlist.h -+++ b/include/asm-mips/scatterlist.h -@@ -1,6 +1,8 @@ - #ifndef __ASM_SCATTERLIST_H - #define __ASM_SCATTERLIST_H - -+#include <asm/types.h> -+ - struct scatterlist { - struct page * page; - unsigned int offset; -diff --git a/include/asm-parisc/pgtable.h b/include/asm-parisc/pgtable.h -index d7e1b10..beb2adb 100644 ---- a/include/asm-parisc/pgtable.h -+++ b/include/asm-parisc/pgtable.h -@@ -528,10 +528,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, - - #define pgprot_noncached(prot) __pgprot(pgprot_val(prot) | _PAGE_NO_CACHE) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - /* We provide our own get_unmapped_area to provide cache coherency */ - - #define HAVE_ARCH_UNMAPPED_AREA -diff --git a/include/asm-parisc/scatterlist.h b/include/asm-parisc/scatterlist.h -index 236c1d0..e7211c7 100644 ---- a/include/asm-parisc/scatterlist.h -+++ b/include/asm-parisc/scatterlist.h -@@ -2,6 +2,7 @@ - #define _ASM_PARISC_SCATTERLIST_H - - #include <asm/page.h> -+#include <asm/types.h> - - struct scatterlist { - struct page *page; -diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h -index b1fdbf4..bed452d 100644 ---- a/include/asm-ppc/pgtable.h -+++ b/include/asm-ppc/pgtable.h -@@ -827,10 +827,6 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, - remap_pfn_range(vma, vaddr, pfn, size, prot) - #endif - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - /* - * No page table caches to initialise - */ -diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h -index 184d7fc..5b523c7 100644 ---- a/include/asm-sh/pgtable.h -+++ b/include/asm-sh/pgtable.h -@@ -568,10 +568,6 @@ typedef pte_t *pte_addr_t; - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - struct mm_struct; - - /* -diff --git a/include/asm-sh/scatterlist.h b/include/asm-sh/scatterlist.h -index d19e7cd..b9ae53c 100644 ---- a/include/asm-sh/scatterlist.h -+++ b/include/asm-sh/scatterlist.h -@@ -1,6 +1,8 @@ - #ifndef __ASM_SH_SCATTERLIST_H - #define __ASM_SH_SCATTERLIST_H - -+#include <asm/types.h> -+ - struct scatterlist { - struct page * page; /* Location for highmem page, if any */ - unsigned int offset;/* for highmem, page offset */ -diff --git a/include/asm-sh64/pgtable.h b/include/asm-sh64/pgtable.h -index 6b97c4c..b875482 100644 ---- a/include/asm-sh64/pgtable.h -+++ b/include/asm-sh64/pgtable.h -@@ -485,10 +485,6 @@ extern void update_mmu_cache(struct vm_area_struct * vma, - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - #endif /* !__ASSEMBLY__ */ - - /* -diff --git a/include/asm-sh64/scatterlist.h b/include/asm-sh64/scatterlist.h -index 5d8fa32..1c723f2 100644 ---- a/include/asm-sh64/scatterlist.h -+++ b/include/asm-sh64/scatterlist.h -@@ -11,6 +11,8 @@ - #ifndef __ASM_SH64_SCATTERLIST_H - #define __ASM_SH64_SCATTERLIST_H - -+#include <asm/types.h> -+ - struct scatterlist { - struct page * page; /* Location for highmem page, if any */ - unsigned int offset;/* for highmem, page offset */ -diff --git a/include/asm-sparc64/scatterlist.h b/include/asm-sparc64/scatterlist.h -index ec4f3c6..048fdb4 100644 ---- a/include/asm-sparc64/scatterlist.h -+++ b/include/asm-sparc64/scatterlist.h -@@ -3,6 +3,7 @@ - #define _SPARC64_SCATTERLIST_H - - #include <asm/page.h> -+#include <asm/types.h> - - struct scatterlist { - struct page *page; -diff --git a/include/asm-v850/scatterlist.h b/include/asm-v850/scatterlist.h -index af1cba6..56f4029 100644 ---- a/include/asm-v850/scatterlist.h -+++ b/include/asm-v850/scatterlist.h -@@ -14,6 +14,8 @@ - #ifndef __V850_SCATTERLIST_H__ - #define __V850_SCATTERLIST_H__ - -+#include <asm/types.h> -+ - struct scatterlist { - struct page *page; - unsigned offset; -diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h -index 730bd60..1eb1043 100644 ---- a/include/asm-x86_64/pgtable.h -+++ b/include/asm-x86_64/pgtable.h -@@ -413,10 +413,6 @@ extern int kern_addr_valid(unsigned long addr); - #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - --#define MK_IOSPACE_PFN(space, pfn) (pfn) --#define GET_IOSPACE(pfn) 0 --#define GET_PFN(pfn) (pfn) -- - #define HAVE_ARCH_UNMAPPED_AREA - - #define pgtable_cache_init() do { } while (0) -diff --git a/include/asm-x86_64/scatterlist.h b/include/asm-x86_64/scatterlist.h -index 49d89f8..eaf7ada 100644 ---- a/include/asm-x86_64/scatterlist.h -+++ b/include/asm-x86_64/scatterlist.h -@@ -1,6 +1,8 @@ - #ifndef _X8664_SCATTERLIST_H - #define _X8664_SCATTERLIST_H - -+#include <asm/types.h> -+ - struct scatterlist { - struct page *page; - unsigned int offset; -diff --git a/include/asm-xtensa/scatterlist.h b/include/asm-xtensa/scatterlist.h -index 38a2b9a..ca337a2 100644 ---- a/include/asm-xtensa/scatterlist.h -+++ b/include/asm-xtensa/scatterlist.h -@@ -11,6 +11,8 @@ - #ifndef _XTENSA_SCATTERLIST_H - #define _XTENSA_SCATTERLIST_H - -+#include <asm/types.h> -+ - struct scatterlist { - struct page *page; - unsigned int offset; -diff --git a/include/linux/fb.h b/include/linux/fb.h -index be913ec..deb2365 100644 ---- a/include/linux/fb.h -+++ b/include/linux/fb.h -@@ -833,7 +833,7 @@ struct fb_info { - #define fb_writeq sbus_writeq - #define fb_memset sbus_memset_io - --#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) -+#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) || defined(__avr32__) - - #define fb_readb __raw_readb - #define fb_readw __raw_readw -diff --git a/include/linux/gpio_mouse.h b/include/linux/gpio_mouse.h -new file mode 100644 -index 0000000..7796683 ---- /dev/null -+++ b/include/linux/gpio_mouse.h -@@ -0,0 +1,47 @@ -+/* -+ * Driver for simulating a mouse on GPIO lines. -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#ifndef _GPIO_MOUSE_H -+#define _GPIO_MOUSE_H -+ -+#define GPIO_MOUSE_POLARITY_ACT_HIGH 0x00 -+#define GPIO_MOUSE_POLARITY_ACT_LOW 0x01 -+ -+/** -+ * struct gpio_mouse_platform_data -+ * @scan_ms: integer in ms specifying the scan periode. -+ * @polarity: Pin polarity, active high or low. -+ * @up: GPIO line for up value. -+ * @down: GPIO line for down value. -+ * @left: GPIO line for left value. -+ * @right: GPIO line for right value. -+ * @bleft: GPIO line for left button. -+ * @bright: GPIO line for right button. -+ * @bmiddle: GPIO line for middle button. -+ * -+ * This struct must be added to the platform_device in the board code. It is -+ * used by the gpio_mouse driver to setup GPIO lines, calculate mouse movement -+ * and have a reference to the timer used for scanning. -+ */ -+struct gpio_mouse_platform_data { -+ int scan_ms; -+ int polarity; -+ -+ int up; -+ int down; -+ int left; -+ int right; -+ -+ int bleft; -+ int bmiddle; -+ int bright; -+}; -+ -+#endif /* _GPIO_MOUSE_H */ -diff --git a/include/linux/i2c-gpio.h b/include/linux/i2c-gpio.h -new file mode 100644 -index 0000000..c1bcb1f ---- /dev/null -+++ b/include/linux/i2c-gpio.h -@@ -0,0 +1,38 @@ -+/* -+ * i2c-gpio interface to platform code -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef _LINUX_I2C_GPIO_H -+#define _LINUX_I2C_GPIO_H -+ -+/** -+ * struct i2c_gpio_platform_data - Platform-dependent data for i2c-gpio -+ * @sda_pin: GPIO pin ID to use for SDA -+ * @scl_pin: GPIO pin ID to use for SCL -+ * @udelay: signal toggle delay. SCL frequency is (500 / udelay) kHz -+ * @timeout: clock stretching timeout in jiffies. If the slave keeps -+ * SCL low for longer than this, the transfer will time out. -+ * @sda_is_open_drain: SDA is configured as open drain, i.e. the pin -+ * isn't actively driven high when setting the output value high. -+ * gpio_get_value() must return the actual pin state even if the -+ * pin is configured as an output. -+ * @scl_is_open_drain: SCL is set up as open drain. Same requirements -+ * as for sda_is_open_drain apply. -+ * @scl_is_output_only: SCL output drivers cannot be turned off. -+ */ -+struct i2c_gpio_platform_data { -+ unsigned int sda_pin; -+ unsigned int scl_pin; -+ int udelay; -+ int timeout; -+ unsigned int sda_is_open_drain:1; -+ unsigned int scl_is_open_drain:1; -+ unsigned int scl_is_output_only:1; -+}; -+ -+#endif /* _LINUX_I2C_GPIO_H */ -diff --git a/include/linux/spi/at73c213.h b/include/linux/spi/at73c213.h -new file mode 100644 -index 0000000..44ebe7d ---- /dev/null -+++ b/include/linux/spi/at73c213.h -@@ -0,0 +1,26 @@ -+/* -+ * Board-specific data used to set up AT73c213 audio DAC driver. -+ */ -+ -+struct at73c213_board_info { -+ -+ /* This identifies a clock suitable for clk_get(NULL, dac_clk). -+ * One might expect something like clk_get(&spidev->dev, "dac") to -+ * work, but current clock framework implementations don't support -+ * association of such clocks with non-core (e.g. SPI) devices. -+ */ -+ char dac_clk[8]; -+ -+ /* SPI is used only for the control interface. Data is streamed -+ * using "I2S" formats through a different interface, with its own -+ * driver and associated resources (registers, irq, clock). -+ */ -+ int i2s_dev; -+ -+ /* this name is seen by userspace tools */ -+ char shortname[32]; -+ -+ /* REVISIT should target bitrate be provided here? -+ * It can not be provided here, as it has to be calculated when probed -+ */ -+}; -diff --git a/include/linux/ssc.h b/include/linux/ssc.h -new file mode 100644 -index 0000000..9705e4a ---- /dev/null -+++ b/include/linux/ssc.h -@@ -0,0 +1,355 @@ -+#ifndef __INCLUDE_ATMEL_SSC_H -+#define __INCLUDE_ATMEL_SSC_H -+ -+#include <linux/platform_device.h> -+#include <asm/irq.h> -+ -+#define ATMEL_SSC_MODE_I2S_MASTER 0x00000001 -+#define ATMEL_SSC_MODE_I2S_SLAVE 0x00000002 -+#define ATMEL_SSC_MODE_SPI_MASTER 0x00000003 -+ -+#define ATMEL_SSC_SPI_MODE0 0 /* SPI: CPOL = 0, CPHA = 1 */ -+#define ATMEL_SSC_SPI_MODE1 1 /* SPI: CPOL = 0, CHPA = 0 */ -+#define ATMEL_SSC_SPI_MODE2 2 /* SPI: CPOL = 1, CPHA = 1 */ -+#define ATMEL_SSC_SPI_MODE3 3 /* SPI: CPOL = 1, CPHA = 0 */ -+ -+struct ssc_device { -+ void __iomem *regs; -+ struct platform_device *pdev; -+ struct clk *clk; -+ char name[6]; -+ int user; -+ int irq; -+}; -+ -+struct ssc_mode { -+ unsigned int mode; -+ unsigned int bauddiv; -+ unsigned int data_length; -+ unsigned int ssc_rxtx; -+ unsigned int spi_mode; -+ unsigned int spi_cs_pio_pin; -+}; -+ -+struct ssc_xfer_info { -+ unsigned long data; -+ unsigned long len; -+ unsigned long next_data; -+ unsigned long next_len; -+}; -+ -+struct ssc_device* __must_check ssc_request(unsigned int ssc_num); -+void ssc_free(struct ssc_device *ssc); -+ -+int ssc_set_mode(struct ssc_device *ssc, struct ssc_mode *mode); -+ -+int ssc_set_rx_buffers(struct ssc_device *ssc, struct ssc_xfer_info *xfer); -+int ssc_get_rx_buffers(struct ssc_device *ssc, struct ssc_xfer_info *xfer); -+int ssc_set_tx_buffers(struct ssc_device *ssc, struct ssc_xfer_info *xfer); -+int ssc_get_tx_buffers(struct ssc_device *ssc, struct ssc_xfer_info *xfer); -+ -+int ssc_enable(struct ssc_device *ssc, char tx, char rx); -+int ssc_enable_xfer(struct ssc_device *ssc, char tx, char rx); -+int ssc_disable(struct ssc_device *ssc, char tx, char rx); -+int ssc_disable_xfer(struct ssc_device *ssc, char tx, char rx); -+ -+int ssc_enable_int(struct ssc_device *ssc, unsigned int mask); -+int ssc_disable_int(struct ssc_device *ssc, unsigned int mask); -+int ssc_get_int_mask(struct ssc_device *ssc, unsigned int *mask); -+ -+int ssc_clk_get_rate(struct ssc_device *ssc); -+ -+int ssc_to_irq(struct ssc_device *ssc); -+struct ssc_device* irq_to_ssc(unsigned int irq); -+ -+void at32_init_ssc(struct platform_device *pdev); -+ -+/* SSC register offsets */ -+ -+/* SSC Control Register */ -+#define SSC_CR 0x00000000 -+#define SSC_CR_RXDIS_SIZE 1 -+#define SSC_CR_RXDIS_OFFSET 1 -+#define SSC_CR_RXEN_SIZE 1 -+#define SSC_CR_RXEN_OFFSET 0 -+#define SSC_CR_SWRST_SIZE 1 -+#define SSC_CR_SWRST_OFFSET 15 -+#define SSC_CR_TXDIS_SIZE 1 -+#define SSC_CR_TXDIS_OFFSET 9 -+#define SSC_CR_TXEN_SIZE 1 -+#define SSC_CR_TXEN_OFFSET 8 -+ -+/* SSC Clock Mode Register */ -+#define SSC_CMR 0x00000004 -+#define SSC_CMR_DIV_SIZE 12 -+#define SSC_CMR_DIV_OFFSET 0 -+ -+/* SSC Receive Clock Mode Register */ -+#define SSC_RCMR 0x00000010 -+#define SSC_RCMR_CKG_SIZE 2 -+#define SSC_RCMR_CKG_OFFSET 6 -+#define SSC_RCMR_CKI_SIZE 1 -+#define SSC_RCMR_CKI_OFFSET 5 -+#define SSC_RCMR_CKO_SIZE 3 -+#define SSC_RCMR_CKO_OFFSET 2 -+#define SSC_RCMR_CKS_SIZE 2 -+#define SSC_RCMR_CKS_OFFSET 0 -+#define SSC_RCMR_PERIOD_SIZE 8 -+#define SSC_RCMR_PERIOD_OFFSET 24 -+#define SSC_RCMR_START_SIZE 4 -+#define SSC_RCMR_START_OFFSET 8 -+#define SSC_RCMR_STOP_SIZE 1 -+#define SSC_RCMR_STOP_OFFSET 12 -+#define SSC_RCMR_STTDLY_SIZE 8 -+#define SSC_RCMR_STTDLY_OFFSET 16 -+ -+/* SSC Receive Frame Mode Register */ -+#define SSC_RFMR 0x00000014 -+#define SSC_RFMR_DATLEN_SIZE 5 -+#define SSC_RFMR_DATLEN_OFFSET 0 -+#define SSC_RFMR_DATNB_SIZE 4 -+#define SSC_RFMR_DATNB_OFFSET 8 -+#define SSC_RFMR_FSEDGE_SIZE 1 -+#define SSC_RFMR_FSEDGE_OFFSET 24 -+#define SSC_RFMR_FSLEN_SIZE 4 -+#define SSC_RFMR_FSLEN_OFFSET 16 -+#define SSC_RFMR_FSOS_SIZE 4 -+#define SSC_RFMR_FSOS_OFFSET 20 -+#define SSC_RFMR_LOOP_SIZE 1 -+#define SSC_RFMR_LOOP_OFFSET 5 -+#define SSC_RFMR_MSBF_SIZE 1 -+#define SSC_RFMR_MSBF_OFFSET 7 -+ -+/* SSC Transmit Clock Mode Register */ -+#define SSC_TCMR 0x00000018 -+#define SSC_TCMR_CKG_SIZE 2 -+#define SSC_TCMR_CKG_OFFSET 6 -+#define SSC_TCMR_CKI_SIZE 1 -+#define SSC_TCMR_CKI_OFFSET 5 -+#define SSC_TCMR_CKO_SIZE 3 -+#define SSC_TCMR_CKO_OFFSET 2 -+#define SSC_TCMR_CKS_SIZE 2 -+#define SSC_TCMR_CKS_OFFSET 0 -+#define SSC_TCMR_PERIOD_SIZE 8 -+#define SSC_TCMR_PERIOD_OFFSET 24 -+#define SSC_TCMR_START_SIZE 4 -+#define SSC_TCMR_START_OFFSET 8 -+#define SSC_TCMR_STTDLY_SIZE 8 -+#define SSC_TCMR_STTDLY_OFFSET 16 -+ -+/* SSC Transmit Frame Mode Register */ -+#define SSC_TFMR 0x0000001c -+#define SSC_TFMR_DATDEF_SIZE 1 -+#define SSC_TFMR_DATDEF_OFFSET 5 -+#define SSC_TFMR_DATLEN_SIZE 5 -+#define SSC_TFMR_DATLEN_OFFSET 0 -+#define SSC_TFMR_DATNB_SIZE 4 -+#define SSC_TFMR_DATNB_OFFSET 8 -+#define SSC_TFMR_FSDEN_SIZE 1 -+#define SSC_TFMR_FSDEN_OFFSET 23 -+#define SSC_TFMR_FSEDGE_SIZE 1 -+#define SSC_TFMR_FSEDGE_OFFSET 24 -+#define SSC_TFMR_FSLEN_SIZE 4 -+#define SSC_TFMR_FSLEN_OFFSET 16 -+#define SSC_TFMR_FSOS_SIZE 3 -+#define SSC_TFMR_FSOS_OFFSET 20 -+#define SSC_TFMR_MSBF_SIZE 1 -+#define SSC_TFMR_MSBF_OFFSET 7 -+ -+/* SSC Receive Hold Register */ -+#define SSC_RHR 0x00000020 -+#define SSC_RHR_RDAT_SIZE 32 -+#define SSC_RHR_RDAT_OFFSET 0 -+ -+/* SSC Transmit Hold Register */ -+#define SSC_THR 0x00000024 -+#define SSC_THR_TDAT_SIZE 32 -+#define SSC_THR_TDAT_OFFSET 0 -+ -+/* SSC Receive Sync. Holding Register */ -+#define SSC_RSHR 0x00000030 -+#define SSC_RSHR_RSDAT_SIZE 16 -+#define SSC_RSHR_RSDAT_OFFSET 0 -+ -+/* SSC Transmit Sync. Holding Register */ -+#define SSC_TSHR 0x00000034 -+#define SSC_TSHR_TSDAT_SIZE 16 -+#define SSC_TSHR_RSDAT_OFFSET 0 -+ -+/* SSC Receive Compare 0 Register */ -+#define SSC_RC0R 0x00000038 -+#define SSC_RC0R_CP0_SIZE 16 -+#define SSC_RC0R_CP0_OFFSET 0 -+ -+/* SSC Receive Compare 1 Register */ -+#define SSC_RC1R 0x0000003c -+#define SSC_RC1R_CP1_SIZE 16 -+#define SSC_RC1R_CP1_OFFSET 0 -+ -+/* SSC Status Register */ -+#define SSC_SR 0x00000040 -+#define SSC_SR_CP0_SIZE 1 -+#define SSC_SR_CP0_OFFSET 8 -+#define SSC_SR_CP1_SIZE 1 -+#define SSC_SR_CP1_OFFSET 9 -+#define SSC_SR_ENDRX_SIZE 1 -+#define SSC_SR_ENDRX_OFFSET 6 -+#define SSC_SR_ENDTX_SIZE 1 -+#define SSC_SR_ENDTX_OFFSET 2 -+#define SSC_SR_OVRUN_SIZE 1 -+#define SSC_SR_OVRUN_OFFSET 5 -+#define SSC_SR_RXBUFF_SIZE 1 -+#define SSC_SR_RXBUFF_OFFSET 7 -+#define SSC_SR_RXEN_SIZE 1 -+#define SSC_SR_RXEN_OFFSET 17 -+#define SSC_SR_RXRDY_SIZE 1 -+#define SSC_SR_RXRDY_OFFSET 4 -+#define SSC_SR_RXSYN_SIZE 1 -+#define SSC_SR_RXSYN_OFFSET 11 -+#define SSC_SR_TXBUFE_SIZE 1 -+#define SSC_SR_TXBUFE_OFFSET 3 -+#define SSC_SR_TXEMPTY_SIZE 1 -+#define SSC_SR_TXEMPTY_OFFSET 1 -+#define SSC_SR_TXEN_SIZE 1 -+#define SSC_SR_TXEN_OFFSET 16 -+#define SSC_SR_TXRDY_SIZE 1 -+#define SSC_SR_TXRDY_OFFSET 0 -+#define SSC_SR_TXSYN_SIZE 1 -+#define SSC_SR_TXSYN_OFFSET 10 -+ -+/* SSC Interrupt Enable Register */ -+#define SSC_IER 0x00000044 -+#define SSC_IER_CP0_SIZE 1 -+#define SSC_IER_CP0_OFFSET 8 -+#define SSC_IER_CP1_SIZE 1 -+#define SSC_IER_CP1_OFFSET 9 -+#define SSC_IER_ENDRX_SIZE 1 -+#define SSC_IER_ENDRX_OFFSET 6 -+#define SSC_IER_ENDTX_SIZE 1 -+#define SSC_IER_ENDTX_OFFSET 2 -+#define SSC_IER_OVRUN_SIZE 1 -+#define SSC_IER_OVRUN_OFFSET 5 -+#define SSC_IER_RXBUFF_SIZE 1 -+#define SSC_IER_RXBUFF_OFFSET 7 -+#define SSC_IER_RXRDY_SIZE 1 -+#define SSC_IER_RXRDY_OFFSET 4 -+#define SSC_IER_RXSYN_SIZE 1 -+#define SSC_IER_RXSYN_OFFSET 11 -+#define SSC_IER_TXBUFE_SIZE 1 -+#define SSC_IER_TXBUFE_OFFSET 3 -+#define SSC_IER_TXEMPTY_SIZE 1 -+#define SSC_IER_TXEMPTY_OFFSET 1 -+#define SSC_IER_TXRDY_SIZE 1 -+#define SSC_IER_TXRDY_OFFSET 0 -+#define SSC_IER_TXSYN_SIZE 1 -+#define SSC_IER_TXSYN_OFFSET 10 -+ -+/* SSC Interrupt Disable Register */ -+#define SSC_IDR 0x00000048 -+#define SSC_IDR_CP0_SIZE 1 -+#define SSC_IDR_CP0_OFFSET 8 -+#define SSC_IDR_CP1_SIZE 1 -+#define SSC_IDR_CP1_OFFSET 9 -+#define SSC_IDR_ENDRX_SIZE 1 -+#define SSC_IDR_ENDRX_OFFSET 6 -+#define SSC_IDR_ENDTX_SIZE 1 -+#define SSC_IDR_ENDTX_OFFSET 2 -+#define SSC_IDR_OVRUN_SIZE 1 -+#define SSC_IDR_OVRUN_OFFSET 5 -+#define SSC_IDR_RXBUFF_SIZE 1 -+#define SSC_IDR_RXBUFF_OFFSET 7 -+#define SSC_IDR_RXRDY_SIZE 1 -+#define SSC_IDR_RXRDY_OFFSET 4 -+#define SSC_IDR_RXSYN_SIZE 1 -+#define SSC_IDR_RXSYN_OFFSET 11 -+#define SSC_IDR_TXBUFE_SIZE 1 -+#define SSC_IDR_TXBUFE_OFFSET 3 -+#define SSC_IDR_TXEMPTY_SIZE 1 -+#define SSC_IDR_TXEMPTY_OFFSET 1 -+#define SSC_IDR_TXRDY_SIZE 1 -+#define SSC_IDR_TXRDY_OFFSET 0 -+#define SSC_IDR_TXSYN_SIZE 1 -+#define SSC_IDR_TXSYN_OFFSET 10 -+ -+/* SSC Interrupt Mask Register */ -+#define SSC_IMR 0x0000004c -+#define SSC_IMR_CP0_SIZE 1 -+#define SSC_IMR_CP0_OFFSET 8 -+#define SSC_IMR_CP1_SIZE 1 -+#define SSC_IMR_CP1_OFFSET 9 -+#define SSC_IMR_ENDRX_SIZE 1 -+#define SSC_IMR_ENDRX_OFFSET 6 -+#define SSC_IMR_ENDTX_SIZE 1 -+#define SSC_IMR_ENDTX_OFFSET 2 -+#define SSC_IMR_OVRUN_SIZE 1 -+#define SSC_IMR_OVRUN_OFFSET 5 -+#define SSC_IMR_RXBUFF_SIZE 1 -+#define SSC_IMR_RXBUFF_OFFSET 7 -+#define SSC_IMR_RXRDY_SIZE 1 -+#define SSC_IMR_RXRDY_OFFSET 4 -+#define SSC_IMR_RXSYN_SIZE 1 -+#define SSC_IMR_RXSYN_OFFSET 11 -+#define SSC_IMR_TXBUFE_SIZE 1 -+#define SSC_IMR_TXBUFE_OFFSET 3 -+#define SSC_IMR_TXEMPTY_SIZE 1 -+#define SSC_IMR_TXEMPTY_OFFSET 1 -+#define SSC_IMR_TXRDY_SIZE 1 -+#define SSC_IMR_TXRDY_OFFSET 0 -+#define SSC_IMR_TXSYN_SIZE 1 -+#define SSC_IMR_TXSYN_OFFSET 10 -+ -+/* SSC PDC Receive Pointer Register */ -+#define SSC_PDC_RPR 0x00000100 -+ -+/* SSC PDC Receive Counter Register */ -+#define SSC_PDC_RCR 0x00000104 -+ -+/* SSC PDC Transmit Pointer Register */ -+#define SSC_PDC_TPR 0x00000108 -+ -+/* SSC PDC Receive Next Pointer Register */ -+#define SSC_PDC_RNPR 0x00000110 -+ -+/* SSC PDC Receive Next Counter Register */ -+#define SSC_PDC_RNCR 0x00000114 -+ -+/* SSC PDC Transmit Counter Register */ -+#define SSC_PDC_TCR 0x0000010c -+ -+/* SSC PDC Transmit Next Pointer Register */ -+#define SSC_PDC_TNPR 0x00000118 -+ -+/* SSC PDC Transmit Next Counter Register */ -+#define SSC_PDC_TNCR 0x0000011c -+ -+/* SSC PDC Transfer Control Register */ -+#define SSC_PDC_PTCR 0x00000120 -+#define SSC_PDC_PTCR_RXTDIS_SIZE 1 -+#define SSC_PDC_PTCR_RXTDIS_OFFSET 1 -+#define SSC_PDC_PTCR_RXTEN_SIZE 1 -+#define SSC_PDC_PTCR_RXTEN_OFFSET 0 -+#define SSC_PDC_PTCR_TXTDIS_SIZE 1 -+#define SSC_PDC_PTCR_TXTDIS_OFFSET 9 -+#define SSC_PDC_PTCR_TXTEN_SIZE 1 -+#define SSC_PDC_PTCR_TXTEN_OFFSET 8 -+ -+/* SSC PDC Transfer Status Register */ -+#define SSC_PDC_PTSR 0x00000124 -+#define SSC_PDC_PTSR_RXTEN_SIZE 1 -+#define SSC_PDC_PTSR_RXTEN_OFFSET 0 -+#define SSC_PDC_PTSR_TXTEN_SIZE 1 -+#define SSC_PDC_PTSR_TXTEN_OFFSET 8 -+ -+/* Bit manipulation macros */ -+#define SSC_BIT(name) (1 << SSC_##name##_OFFSET) -+#define SSC_BF(name,value) (((value) & ((1 << SSC_##name##_SIZE) - 1)) << SSC_##name##_OFFSET) -+#define SSC_BFEXT(name,value) (((value) >> SSC_##name##_OFFSET) & ((1 << SSC_##name##_SIZE) - 1)) -+#define SSC_BFINS(name,value,old) (((old) & ~(((1 << SSC_##name##_SIZE) - 1) << SSC_##name##_OFFSET)) | SSC_BF(name,value)) -+ -+/* Register access macros */ -+#define ssc_readl(port,reg) \ -+ __raw_readl((port)->regs + SSC_##reg) -+#define ssc_writel(port,reg,value) \ -+ __raw_writel((value), (port)->regs + SSC_##reg) -+ -+#endif /* __INCLUDE_ATMEL_SSC_H */ -diff --git a/include/pcmcia/cs_types.h b/include/pcmcia/cs_types.h -index c1d1629..5f38803 100644 ---- a/include/pcmcia/cs_types.h -+++ b/include/pcmcia/cs_types.h -@@ -21,7 +21,7 @@ - #include <sys/types.h> - #endif - --#if defined(__arm__) || defined(__mips__) -+#if defined(__arm__) || defined(__mips__) || defined(__avr32__) - /* This (ioaddr_t) is exposed to userspace & hence cannot be changed. */ - typedef u_int ioaddr_t; - #else -diff --git a/include/video/atmel_lcdc.h b/include/video/atmel_lcdc.h -new file mode 100644 -index 0000000..4eea637 ---- /dev/null -+++ b/include/video/atmel_lcdc.h -@@ -0,0 +1,196 @@ -+/* -+ * Header file for AT91/AT32 LCD Controller -+ * -+ * Data structure and register user interface -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -+ */ -+#ifndef __ATMEL_LCDC_H__ -+#define __ATMEL_LCDC_H__ -+ -+ /* LCD Controller info data structure */ -+struct atmel_lcdfb_info { -+ spinlock_t lock; -+ struct fb_info *info; -+ void __iomem *mmio; -+ unsigned long irq_base; -+ -+ unsigned int guard_time; -+ struct platform_device *pdev; -+ struct clk *bus_clk; -+ struct clk *lcdc_clk; -+ unsigned int default_bpp; -+ unsigned int default_lcdcon2; -+ unsigned int default_dmacon; -+ void (*atmel_lcdfb_power_control)(int on); -+ struct fb_monspecs *default_monspecs; -+ u32 pseudo_palette[16]; -+}; -+ -+#define ATMEL_LCDC_DMABADDR1 0x00 -+#define ATMEL_LCDC_DMABADDR2 0x04 -+#define ATMEL_LCDC_DMAFRMPT1 0x08 -+#define ATMEL_LCDC_DMAFRMPT2 0x0c -+#define ATMEL_LCDC_DMAFRMADD1 0x10 -+#define ATMEL_LCDC_DMAFRMADD2 0x14 -+ -+#define ATMEL_LCDC_DMAFRMCFG 0x18 -+#define ATMEL_LCDC_FRSIZE (0x7fffff << 0) -+#define ATMEL_LCDC_BLENGTH_OFFSET 24 -+#define ATMEL_LCDC_BLENGTH (0x7f << ATMEL_LCDC_BLENGTH_OFFSET) -+ -+#define ATMEL_LCDC_DMACON 0x1c -+#define ATMEL_LCDC_DMAEN (0x1 << 0) -+#define ATMEL_LCDC_DMARST (0x1 << 1) -+#define ATMEL_LCDC_DMABUSY (0x1 << 2) -+#define ATMEL_LCDC_DMAUPDT (0x1 << 3) -+#define ATMEL_LCDC_DMA2DEN (0x1 << 4) -+ -+#define ATMEL_LCDC_DMA2DCFG 0x20 -+#define ATMEL_LCDC_ADDRINC_OFFSET 0 -+#define ATMEL_LCDC_ADDRINC (0xffff) -+#define ATMEL_LCDC_PIXELOFF_OFFSET 24 -+#define ATMEL_LCDC_PIXELOFF (0x1f << 24) -+ -+#define ATMEL_LCDC_LCDCON1 0x0800 -+#define ATMEL_LCDC_BYPASS (1 << 0) -+#define ATMEL_LCDC_CLKVAL_OFFSET 12 -+#define ATMEL_LCDC_CLKVAL (0x1ff << ATMEL_LCDC_CLKVAL_OFFSET) -+#define ATMEL_LCDC_LINCNT (0x7ff << 21) -+ -+#define ATMEL_LCDC_LCDCON2 0x0804 -+#define ATMEL_LCDC_DISTYPE (3 << 0) -+#define ATMEL_LCDC_DISTYPE_STNMONO (0 << 0) -+#define ATMEL_LCDC_DISTYPE_STNCOLOR (1 << 0) -+#define ATMEL_LCDC_DISTYPE_TFT (2 << 0) -+#define ATMEL_LCDC_SCANMOD (1 << 2) -+#define ATMEL_LCDC_SCANMOD_SINGLE (0 << 2) -+#define ATMEL_LCDC_SCANMOD_DUAL (1 << 2) -+#define ATMEL_LCDC_IFWIDTH (3 << 3) -+#define ATMEL_LCDC_IFWIDTH_4 (0 << 3) -+#define ATMEL_LCDC_IFWIDTH_8 (1 << 3) -+#define ATMEL_LCDC_IFWIDTH_16 (2 << 3) -+#define ATMEL_LCDC_PIXELSIZE (7 << 5) -+#define ATMEL_LCDC_PIXELSIZE_1 (0 << 5) -+#define ATMEL_LCDC_PIXELSIZE_2 (1 << 5) -+#define ATMEL_LCDC_PIXELSIZE_4 (2 << 5) -+#define ATMEL_LCDC_PIXELSIZE_8 (3 << 5) -+#define ATMEL_LCDC_PIXELSIZE_16 (4 << 5) -+#define ATMEL_LCDC_PIXELSIZE_24 (5 << 5) -+#define ATMEL_LCDC_PIXELSIZE_32 (6 << 5) -+#define ATMEL_LCDC_INVVD (1 << 8) -+#define ATMEL_LCDC_INVVD_NORMAL (0 << 8) -+#define ATMEL_LCDC_INVVD_INVERTED (1 << 8) -+#define ATMEL_LCDC_INVFRAME (1 << 9 ) -+#define ATMEL_LCDC_INVFRAME_NORMAL (0 << 9) -+#define ATMEL_LCDC_INVFRAME_INVERTED (1 << 9) -+#define ATMEL_LCDC_INVLINE (1 << 10) -+#define ATMEL_LCDC_INVLINE_NORMAL (0 << 10) -+#define ATMEL_LCDC_INVLINE_INVERTED (1 << 10) -+#define ATMEL_LCDC_INVCLK (1 << 11) -+#define ATMEL_LCDC_INVCLK_NORMAL (0 << 11) -+#define ATMEL_LCDC_INVCLK_INVERTED (1 << 11) -+#define ATMEL_LCDC_INVDVAL (1 << 12) -+#define ATMEL_LCDC_INVDVAL_NORMAL (0 << 12) -+#define ATMEL_LCDC_INVDVAL_INVERTED (1 << 12) -+#define ATMEL_LCDC_CLKMOD (1 << 15) -+#define ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY (0 << 15) -+#define ATMEL_LCDC_CLKMOD_ALWAYSACTIVE (1 << 15) -+#define ATMEL_LCDC_MEMOR (1 << 31) -+#define ATMEL_LCDC_MEMOR_BIG (0 << 31) -+#define ATMEL_LCDC_MEMOR_LITTLE (1 << 31) -+ -+#define ATMEL_LCDC_TIM1 0x0808 -+#define ATMEL_LCDC_VFP (0xff << 0) -+#define ATMEL_LCDC_VBP_OFFSET 8 -+#define ATMEL_LCDC_VBP (0xff << ATMEL_LCDC_VBP_OFFSET) -+#define ATMEL_LCDC_VPW_OFFSET 16 -+#define ATMEL_LCDC_VPW (0x3f << ATMEL_LCDC_VPW_OFFSET) -+#define ATMEL_LCDC_VHDLY_OFFSET 24 -+#define ATMEL_LCDC_VHDLY (0xf << ATMEL_LCDC_VHDLY_OFFSET) -+ -+#define ATMEL_LCDC_TIM2 0x080c -+#define ATMEL_LCDC_HBP (0xff << 0) -+#define ATMEL_LCDC_HPW_OFFSET 8 -+#define ATMEL_LCDC_HPW (0x3f << ATMEL_LCDC_HPW_OFFSET) -+#define ATMEL_LCDC_HFP_OFFSET 21 -+#define ATMEL_LCDC_HFP (0x7ff << ATMEL_LCDC_HFP_OFFSET) -+ -+#define ATMEL_LCDC_LCDFRMCFG 0x0810 -+#define ATMEL_LCDC_LINEVAL (0x7ff << 0) -+#define ATMEL_LCDC_HOZVAL_OFFSET 21 -+#define ATMEL_LCDC_HOZVAL (0x7ff << ATMEL_LCDC_HOZVAL_OFFSET) -+ -+#define ATMEL_LCDC_FIFO 0x0814 -+#define ATMEL_LCDC_FIFOTH (0xffff) -+ -+#define ATMEL_LCDC_MVAL 0x0818 -+ -+#define ATMEL_LCDC_DP1_2 0x081c -+#define ATMEL_LCDC_DP4_7 0x0820 -+#define ATMEL_LCDC_DP3_5 0x0824 -+#define ATMEL_LCDC_DP2_3 0x0828 -+#define ATMEL_LCDC_DP5_7 0x082c -+#define ATMEL_LCDC_DP3_4 0x0830 -+#define ATMEL_LCDC_DP4_5 0x0834 -+#define ATMEL_LCDC_DP6_7 0x0838 -+#define ATMEL_LCDC_DP1_2_VAL (0xff) -+#define ATMEL_LCDC_DP4_7_VAL (0xfffffff) -+#define ATMEL_LCDC_DP3_5_VAL (0xfffff) -+#define ATMEL_LCDC_DP2_3_VAL (0xfff) -+#define ATMEL_LCDC_DP5_7_VAL (0xfffffff) -+#define ATMEL_LCDC_DP3_4_VAL (0xffff) -+#define ATMEL_LCDC_DP4_5_VAL (0xfffff) -+#define ATMEL_LCDC_DP6_7_VAL (0xfffffff) -+ -+#define ATMEL_LCDC_PWRCON 0x083c -+#define ATMEL_LCDC_PWR (1 << 0) -+#define ATMEL_LCDC_GUARDT_OFFSET 1 -+#define ATMEL_LCDC_GUARDT (0x7f << ATMEL_LCDC_GUARDT_OFFSET) -+#define ATMEL_LCDC_BUSY (1 << 31) -+ -+#define ATMEL_LCDC_CONTRAST_CTR 0x0840 -+#define ATMEL_LCDC_PS (3 << 0) -+#define ATMEL_LCDC_PS_DIV1 (0 << 0) -+#define ATMEL_LCDC_PS_DIV2 (1 << 0) -+#define ATMEL_LCDC_PS_DIV4 (2 << 0) -+#define ATMEL_LCDC_PS_DIV8 (3 << 0) -+#define ATMEL_LCDC_POL (1 << 2) -+#define ATMEL_LCDC_POL_NEGATIVE (0 << 2) -+#define ATMEL_LCDC_POL_POSITIVE (1 << 2) -+#define ATMEL_LCDC_ENA (1 << 3) -+#define ATMEL_LCDC_ENA_PWMDISABLE (0 << 3) -+#define ATMEL_LCDC_ENA_PWMENABLE (1 << 3) -+ -+#define ATMEL_LCDC_CONTRAST_VAL 0x0844 -+#define ATMEL_LCDC_CVAL (0xff) -+ -+#define ATMEL_LCDC_IER 0x0848 -+#define ATMEL_LCDC_IDR 0x084c -+#define ATMEL_LCDC_IMR 0x0850 -+#define ATMEL_LCDC_ISR 0x0854 -+#define ATMEL_LCDC_ICR 0x0858 -+#define ATMEL_LCDC_LNI (1 << 0) -+#define ATMEL_LCDC_LSTLNI (1 << 1) -+#define ATMEL_LCDC_EOFI (1 << 2) -+#define ATMEL_LCDC_UFLWI (1 << 4) -+#define ATMEL_LCDC_OWRI (1 << 5) -+#define ATMEL_LCDC_MERI (1 << 6) -+ -+#define ATMEL_LCDC_LUT(n) (0x0c00 + ((n)*4)) -+ -+#endif /* __ATMEL_LCDC_H__ */ -diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl -index f7844f6..6631586 100755 ---- a/scripts/checkstack.pl -+++ b/scripts/checkstack.pl -@@ -12,6 +12,7 @@ - # sh64 port by Paul Mundt - # Random bits by Matt Mackall <mpm@selenic.com> - # M68k port by Geert Uytterhoeven and Andreas Schwab -+# AVR32 port by Haavard Skinnemoen <hskinnemoen@atmel.com> - # - # Usage: - # objdump -d vmlinux | stackcheck.pl [arch] -@@ -37,6 +38,10 @@ my (@stack, $re, $x, $xs); - if ($arch eq 'arm') { - #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64 - $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o; -+ } elsif ($arch eq 'avr32') { -+ #8000008a: 20 1d sub sp,4 -+ #80000ca8: fa cd 05 b0 sub sp,sp,1456 -+ $re = qr/^.*sub.*sp.*,([0-9]{1,8})/o; - } elsif ($arch =~ /^i[3456]86$/) { - #c0105234: 81 ec ac 05 00 00 sub $0x5ac,%esp - $re = qr/^.*[as][du][db] \$(0x$x{1,8}),\%esp$/o; -diff --git a/sound/Kconfig b/sound/Kconfig -index 97532bb..2bad674 100644 ---- a/sound/Kconfig -+++ b/sound/Kconfig -@@ -62,9 +62,13 @@ source "sound/aoa/Kconfig" - - source "sound/arm/Kconfig" - -+source "sound/spi/Kconfig" -+ -+source "sound/avr32/Kconfig" -+ - source "sound/mips/Kconfig" - --# the following will depend on the order of config. -+# tee following will depend on the order of config. - # here assuming USB is defined before ALSA - source "sound/usb/Kconfig" - -diff --git a/sound/Makefile b/sound/Makefile -index b7c7fb7..fda6893 100644 ---- a/sound/Makefile -+++ b/sound/Makefile -@@ -5,7 +5,8 @@ obj-$(CONFIG_SOUND) += soundcore.o - obj-$(CONFIG_SOUND_PRIME) += sound_firmware.o - obj-$(CONFIG_SOUND_PRIME) += oss/ - obj-$(CONFIG_DMASOUND) += oss/ --obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ synth/ usb/ sparc/ parisc/ pcmcia/ mips/ soc/ -+obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ avr32/ synth/ usb/ \ -+ sparc/ spi/ parisc/ pcmcia/ mips/ soc/ - obj-$(CONFIG_SND_AOA) += aoa/ - - # This one must be compilable even if sound is configured out -diff --git a/sound/avr32/Kconfig b/sound/avr32/Kconfig -new file mode 100644 -index 0000000..adfe779 ---- /dev/null -+++ b/sound/avr32/Kconfig -@@ -0,0 +1,12 @@ -+menu "AVR32 devices" -+ depends on SND != n && AVR32 -+ -+config SND_ATMEL_AC97 -+ tristate "Atmel AC97 Controller Driver" -+ depends on SND -+ select SND_PCM -+ select SND_AC97_CODEC -+ help -+ ALSA sound driver for the Atmel AC97 controller. -+ -+endmenu -diff --git a/sound/avr32/Makefile b/sound/avr32/Makefile -new file mode 100644 -index 0000000..fd864b7 ---- /dev/null -+++ b/sound/avr32/Makefile -@@ -0,0 +1,6 @@ -+# -+# Makefile for ALSA -+# -+ -+snd-atmel-ac97-objs := ac97c.o -+obj-$(CONFIG_SND_ATMEL_AC97) += snd-atmel-ac97.o -diff --git a/sound/avr32/ac97c.c b/sound/avr32/ac97c.c -new file mode 100644 -index 0000000..32f6639 ---- /dev/null -+++ b/sound/avr32/ac97c.c -@@ -0,0 +1,880 @@ -+/* -+ * Driver for the Atmel AC97 Controller -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/clk.h> -+#include <linux/delay.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/mutex.h> -+ -+#include <sound/driver.h> -+#include <sound/core.h> -+#include <sound/initval.h> -+#include <sound/pcm.h> -+#include <sound/pcm_params.h> -+#include <sound/ac97_codec.h> -+#include <sound/memalloc.h> -+ -+#include <asm/io.h> -+#include <asm/dma-controller.h> -+ -+#include "ac97c.h" -+ -+/* -+ * Module parameters -+ */ -+static char *id; -+module_param(id, charp, 0444); -+MODULE_PARM_DESC(id, "ID string for Atmel AC97 controller"); -+ -+static DEFINE_MUTEX(opened_mutex); -+ -+struct atmel_ac97_dma_info { -+ struct dma_request_cyclic req_tx; -+ struct dma_request_cyclic req_rx; -+ unsigned short rx_periph_id; -+ unsigned short tx_periph_id; -+}; -+ -+typedef struct atmel_ac97 { -+ spinlock_t lock; -+ void __iomem *regs; -+ struct snd_pcm_substream *playback_substream; -+ struct snd_pcm_substream *capture_substream; -+ struct snd_card *card; -+ struct snd_pcm *pcm; -+ struct snd_ac97 *ac97; -+ struct snd_ac97_bus *ac97_bus; -+ int opened; -+ int period; -+ u64 cur_format; -+ unsigned int cur_rate; -+ struct clk *mck; -+ struct platform_device *pdev; -+ struct atmel_ac97_dma_info dma; -+} atmel_ac97_t; -+#define get_chip(card) ((atmel_ac97_t *)(card)->private_data) -+ -+#define ac97c_writel(chip, reg, val) \ -+ __raw_writel((val), (chip)->regs + AC97C_##reg) -+#define ac97c_readl(chip, reg) \ -+ __raw_readl((chip)->regs + AC97C_##reg) -+ -+/* -+ * PCM part -+ */ -+static struct snd_pcm_hardware snd_atmel_ac97_playback_hw = { -+ .info = (SNDRV_PCM_INFO_INTERLEAVED -+ |SNDRV_PCM_INFO_MMAP -+ |SNDRV_PCM_INFO_MMAP_VALID -+ |SNDRV_PCM_INFO_BLOCK_TRANSFER -+ |SNDRV_PCM_INFO_JOINT_DUPLEX), -+ .formats = (SNDRV_PCM_FMTBIT_S16_BE|SNDRV_PCM_FMTBIT_S16_LE), -+ .rates = (SNDRV_PCM_RATE_CONTINUOUS), -+ .rate_min = 4000, -+ .rate_max = 48000, -+ .channels_min = 1, -+ .channels_max = 6, -+ .buffer_bytes_max = 64*1024, -+ .period_bytes_min = 512, -+ .period_bytes_max = 4095, -+ .periods_min = 8, -+ .periods_max = 1024, -+}; -+ -+static struct snd_pcm_hardware snd_atmel_ac97_capture_hw = { -+ .info = (SNDRV_PCM_INFO_INTERLEAVED -+ |SNDRV_PCM_INFO_MMAP -+ |SNDRV_PCM_INFO_MMAP_VALID -+ |SNDRV_PCM_INFO_BLOCK_TRANSFER -+ |SNDRV_PCM_INFO_JOINT_DUPLEX), -+ .formats = (SNDRV_PCM_FMTBIT_S16_BE|SNDRV_PCM_FMTBIT_S16_LE), -+ .rates = (SNDRV_PCM_RATE_CONTINUOUS), -+ .rate_min = 4000, -+ .rate_max = 48000, -+ .channels_min = 1, -+ .channels_max = 2, -+ .buffer_bytes_max = 64*1024, -+ .period_bytes_min = 512, -+ .period_bytes_max = 4095, -+ .periods_min = 8, -+ .periods_max = 1024, -+}; -+ -+/* Joint full duplex variables */ -+unsigned int hw_rates[1]; -+unsigned int hw_formats[1]; -+struct snd_pcm_hw_constraint_list hw_constraint_rates; -+struct snd_pcm_hw_constraint_list hw_constraint_formats; -+ -+/* -+ * PCM functions -+ */ -+static int -+snd_atmel_ac97_playback_open(struct snd_pcm_substream *substream) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ -+ mutex_lock(&opened_mutex); -+ chip->opened++; -+ runtime->hw = snd_atmel_ac97_playback_hw; -+ if (chip->cur_rate) { -+ runtime->hw.rate_min = chip->cur_rate; -+ runtime->hw.rate_max = chip->cur_rate; -+ } -+ if (chip->cur_format) -+ runtime->hw.formats = (1ULL<<chip->cur_format); -+ mutex_unlock(&opened_mutex); -+ chip->playback_substream = substream; -+ chip->period = 0; -+ return 0; -+} -+ -+static int -+snd_atmel_ac97_capture_open(struct snd_pcm_substream *substream) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ -+ mutex_lock(&opened_mutex); -+ chip->opened++; -+ runtime->hw = snd_atmel_ac97_capture_hw; -+ if (chip->cur_rate) { -+ runtime->hw.rate_min = chip->cur_rate; -+ runtime->hw.rate_max = chip->cur_rate; -+ } -+ if (chip->cur_format) -+ runtime->hw.formats = (1ULL<<chip->cur_format); -+ mutex_unlock(&opened_mutex); -+ chip->capture_substream = substream; -+ chip->period = 0; -+ return 0; -+} -+ -+static int snd_atmel_ac97_playback_close(struct snd_pcm_substream *substream) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ mutex_lock(&opened_mutex); -+ chip->opened--; -+ if (!chip->opened) { -+ chip->cur_rate = 0; -+ chip->cur_format = 0; -+ } -+ mutex_unlock(&opened_mutex); -+ return 0; -+} -+ -+static int snd_atmel_ac97_capture_close(struct snd_pcm_substream *substream) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ mutex_lock(&opened_mutex); -+ chip->opened--; -+ if (!chip->opened) { -+ chip->cur_rate = 0; -+ chip->cur_format = 0; -+ } -+ mutex_unlock(&opened_mutex); -+ return 0; -+} -+ -+static int snd_atmel_ac97_playback_hw_params(struct snd_pcm_substream *substream, -+ struct snd_pcm_hw_params *hw_params) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ int err; -+ -+ err = snd_pcm_lib_malloc_pages(substream, -+ params_buffer_bytes(hw_params)); -+ if (err < 0) -+ return err; -+ -+ /* Set restrictions to params */ -+ mutex_lock(&opened_mutex); -+ chip->cur_rate = params_rate(hw_params); -+ chip->cur_format = params_format(hw_params); -+ mutex_unlock(&opened_mutex); -+ -+ return 0; -+} -+ -+static int snd_atmel_ac97_capture_hw_params(struct snd_pcm_substream *substream, -+ struct snd_pcm_hw_params *hw_params) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ int err; -+ -+ err = snd_pcm_lib_malloc_pages(substream, -+ params_buffer_bytes(hw_params)); -+ if (err < 0) -+ return err; -+ -+ /* Set restrictions to params */ -+ mutex_lock(&opened_mutex); -+ chip->cur_rate = params_rate(hw_params); -+ chip->cur_format = params_format(hw_params); -+ mutex_unlock(&opened_mutex); -+ -+ return 0; -+} -+ -+static int snd_atmel_ac97_playback_hw_free(struct snd_pcm_substream *substream) -+{ -+ return snd_pcm_lib_free_pages(substream); -+} -+ -+static int snd_atmel_ac97_capture_hw_free(struct snd_pcm_substream *substream) -+{ -+ -+ return snd_pcm_lib_free_pages(substream); -+} -+ -+static int snd_atmel_ac97_playback_prepare(struct snd_pcm_substream *substream) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ struct platform_device *pdev = chip->pdev; -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ int block_size = frames_to_bytes(runtime, runtime->period_size); -+ unsigned long word = 0; -+ unsigned long buffer_size = 0; -+ -+ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr, -+ block_size * 2, DMA_TO_DEVICE); -+ -+ /* Assign slots to channels */ -+ switch (substream->runtime->channels) { -+ case 1: -+ word |= AC97C_CH_ASSIGN(PCM_LEFT, A); -+ break; -+ case 2: -+ /* Assign Left and Right slot to Channel A */ -+ word |= AC97C_CH_ASSIGN(PCM_LEFT, A) -+ | AC97C_CH_ASSIGN(PCM_RIGHT, A); -+ break; -+ default: -+ /* TODO: support more than two channels */ -+ return -EINVAL; -+ break; -+ } -+ ac97c_writel(chip, OCA, word); -+ -+ /* Configure sample format and size */ -+ word = AC97C_CMR_PDCEN | AC97C_CMR_SIZE_16; -+ -+ switch (runtime->format){ -+ case SNDRV_PCM_FORMAT_S16_LE: -+ word |= AC97C_CMR_CEM_LITTLE; -+ break; -+ case SNDRV_PCM_FORMAT_S16_BE: -+ default: -+ word &= ~AC97C_CMR_CEM_LITTLE; -+ break; -+ } -+ -+ ac97c_writel(chip, CAMR, word); -+ -+ /* Set variable rate if needed */ -+ if (runtime->rate != 48000) { -+ word = ac97c_readl(chip, MR); -+ word |= AC97C_MR_VRA; -+ ac97c_writel(chip, MR, word); -+ } else { -+ /* Clear Variable Rate Bit */ -+ word = ac97c_readl(chip, MR); -+ word &= ~AC97C_MR_VRA; -+ ac97c_writel(chip, MR, word); -+ } -+ -+ /* Set rate */ -+ snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); -+ -+ buffer_size = frames_to_bytes(runtime, runtime->period_size) * -+ runtime->periods; -+ -+ chip->dma.req_tx.buffer_size = buffer_size; -+ chip->dma.req_tx.periods = runtime->periods; -+ -+ BUG_ON(chip->dma.req_tx.buffer_size != -+ (chip->dma.req_tx.periods * -+ frames_to_bytes(runtime, runtime->period_size))); -+ -+ chip->dma.req_tx.buffer_start = runtime->dma_addr; -+ chip->dma.req_tx.data_reg = (dma_addr_t)(chip->regs + AC97C_CATHR + 2); -+ chip->dma.req_tx.periph_id = chip->dma.tx_periph_id; -+ chip->dma.req_tx.direction = DMA_DIR_MEM_TO_PERIPH; -+ chip->dma.req_tx.width = DMA_WIDTH_16BIT; -+ chip->dma.req_tx.dev_id = chip; -+ -+ return 0; -+} -+ -+static int snd_atmel_ac97_capture_prepare(struct snd_pcm_substream *substream) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ struct platform_device *pdev = chip->pdev; -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ int block_size = frames_to_bytes(runtime, runtime->period_size); -+ unsigned long word = 0; -+ unsigned long buffer_size = 0; -+ -+ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr, -+ block_size * 2, DMA_FROM_DEVICE); -+ -+ /* Assign slots to channels */ -+ switch (substream->runtime->channels) { -+ case 1: -+ word |= AC97C_CH_ASSIGN(PCM_LEFT, A); -+ break; -+ case 2: -+ /* Assign Left and Right slot to Channel A */ -+ word |= AC97C_CH_ASSIGN(PCM_LEFT, A) -+ | AC97C_CH_ASSIGN(PCM_RIGHT, A); -+ break; -+ default: -+ /* TODO: support more than two channels */ -+ return -EINVAL; -+ break; -+ } -+ ac97c_writel(chip, ICA, word); -+ -+ /* Configure sample format and size */ -+ word = AC97C_CMR_PDCEN | AC97C_CMR_SIZE_16; -+ -+ switch (runtime->format) { -+ case SNDRV_PCM_FORMAT_S16_LE: -+ word |= AC97C_CMR_CEM_LITTLE; -+ break; -+ case SNDRV_PCM_FORMAT_S16_BE: -+ default: -+ word &= ~(AC97C_CMR_CEM_LITTLE); -+ break; -+ } -+ -+ ac97c_writel(chip, CAMR, word); -+ -+ /* Set variable rate if needed */ -+ if (runtime->rate != 48000) { -+ word = ac97c_readl(chip, MR); -+ word |= AC97C_MR_VRA; -+ ac97c_writel(chip, MR, word); -+ } else { -+ /* Clear Variable Rate Bit */ -+ word = ac97c_readl(chip, MR); -+ word &= ~(AC97C_MR_VRA); -+ ac97c_writel(chip, MR, word); -+ } -+ -+ /* Set rate */ -+ snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); -+ -+ buffer_size = frames_to_bytes(runtime, runtime->period_size) * -+ runtime->periods; -+ -+ chip->dma.req_rx.buffer_size = buffer_size; -+ chip->dma.req_rx.periods = runtime->periods; -+ -+ BUG_ON(chip->dma.req_rx.buffer_size != -+ (chip->dma.req_rx.periods * -+ frames_to_bytes(runtime, runtime->period_size))); -+ -+ chip->dma.req_rx.buffer_start = runtime->dma_addr; -+ chip->dma.req_rx.data_reg = (dma_addr_t)(chip->regs + AC97C_CARHR + 2); -+ chip->dma.req_rx.periph_id = chip->dma.rx_periph_id; -+ chip->dma.req_rx.direction = DMA_DIR_PERIPH_TO_MEM; -+ chip->dma.req_rx.width = DMA_WIDTH_16BIT; -+ chip->dma.req_rx.dev_id = chip; -+ -+ return 0; -+} -+ -+static int snd_atmel_ac97_playback_trigger(struct snd_pcm_substream *substream, int cmd) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ unsigned long camr; -+ int flags, err = 0; -+ -+ spin_lock_irqsave(&chip->lock, flags); -+ camr = ac97c_readl(chip, CAMR); -+ -+ switch (cmd) { -+ case SNDRV_PCM_TRIGGER_START: -+ err = dma_prepare_request_cyclic(chip->dma.req_tx.req.dmac, -+ &chip->dma.req_tx); -+ dma_start_request(chip->dma.req_tx.req.dmac, -+ chip->dma.req_tx.req.channel); -+ camr |= AC97C_CMR_CENA; -+ break; -+ case SNDRV_PCM_TRIGGER_STOP: -+ err = dma_stop_request(chip->dma.req_tx.req.dmac, -+ chip->dma.req_tx.req.channel); -+ if (chip->opened <= 1) -+ camr &= ~AC97C_CMR_CENA; -+ break; -+ default: -+ err = -EINVAL; -+ break; -+ } -+ -+ ac97c_writel(chip, CAMR, camr); -+ -+ spin_unlock_irqrestore(&chip->lock, flags); -+ return err; -+} -+ -+static int snd_atmel_ac97_capture_trigger(struct snd_pcm_substream *substream, int cmd) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ unsigned long camr; -+ int flags, err = 0; -+ -+ spin_lock_irqsave(&chip->lock, flags); -+ camr = ac97c_readl(chip, CAMR); -+ -+ switch (cmd) { -+ case SNDRV_PCM_TRIGGER_START: -+ err = dma_prepare_request_cyclic(chip->dma.req_rx.req.dmac, -+ &chip->dma.req_rx); -+ dma_start_request(chip->dma.req_rx.req.dmac, -+ chip->dma.req_rx.req.channel); -+ camr |= AC97C_CMR_CENA; -+ break; -+ case SNDRV_PCM_TRIGGER_STOP: -+ err = dma_stop_request(chip->dma.req_rx.req.dmac, -+ chip->dma.req_rx.req.channel); -+ mutex_lock(&opened_mutex); -+ if (chip->opened <= 1) -+ camr &= ~AC97C_CMR_CENA; -+ mutex_unlock(&opened_mutex); -+ break; -+ default: -+ err = -EINVAL; -+ break; -+ } -+ -+ ac97c_writel(chip, CAMR, camr); -+ -+ spin_unlock_irqrestore(&chip->lock, flags); -+ return err; -+} -+ -+static snd_pcm_uframes_t snd_atmel_ac97_playback_pointer(struct snd_pcm_substream *substream) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ snd_pcm_uframes_t pos; -+ unsigned long bytes; -+ -+ bytes = (dma_get_current_pos -+ (chip->dma.req_tx.req.dmac, -+ chip->dma.req_tx.req.channel) - runtime->dma_addr); -+ pos = bytes_to_frames(runtime, bytes); -+ if (pos >= runtime->buffer_size) -+ pos -= runtime->buffer_size; -+ -+ return pos; -+} -+ -+static snd_pcm_uframes_t snd_atmel_ac97_capture_pointer(struct snd_pcm_substream *substream) -+{ -+ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ snd_pcm_uframes_t pos; -+ unsigned long bytes; -+ -+ bytes = (dma_get_current_pos -+ (chip->dma.req_rx.req.dmac,chip->dma.req_rx.req.channel) - -+ runtime->dma_addr); -+ pos = bytes_to_frames(runtime, bytes); -+ if (pos >= runtime->buffer_size) -+ pos -= runtime->buffer_size; -+ -+ -+ return pos; -+} -+ -+static struct snd_pcm_ops atmel_ac97_playback_ops = { -+ .open = snd_atmel_ac97_playback_open, -+ .close = snd_atmel_ac97_playback_close, -+ .ioctl = snd_pcm_lib_ioctl, -+ .hw_params = snd_atmel_ac97_playback_hw_params, -+ .hw_free = snd_atmel_ac97_playback_hw_free, -+ .prepare = snd_atmel_ac97_playback_prepare, -+ .trigger = snd_atmel_ac97_playback_trigger, -+ .pointer = snd_atmel_ac97_playback_pointer, -+}; -+ -+static struct snd_pcm_ops atmel_ac97_capture_ops = { -+ .open = snd_atmel_ac97_capture_open, -+ .close = snd_atmel_ac97_capture_close, -+ .ioctl = snd_pcm_lib_ioctl, -+ .hw_params = snd_atmel_ac97_capture_hw_params, -+ .hw_free = snd_atmel_ac97_capture_hw_free, -+ .prepare = snd_atmel_ac97_capture_prepare, -+ .trigger = snd_atmel_ac97_capture_trigger, -+ .pointer = snd_atmel_ac97_capture_pointer, -+}; -+ -+static struct ac97_pcm atmel_ac97_pcm_defs[] __devinitdata = { -+ /* Playback */ -+ { -+ .exclusive = 1, -+ .r = { { -+ .slots = ((1 << AC97_SLOT_PCM_LEFT) -+ | (1 << AC97_SLOT_PCM_RIGHT) -+ | (1 << AC97_SLOT_PCM_CENTER) -+ | (1 << AC97_SLOT_PCM_SLEFT) -+ | (1 << AC97_SLOT_PCM_SRIGHT) -+ | (1 << AC97_SLOT_LFE)), -+ } } -+ }, -+ /* PCM in */ -+ { -+ .stream = 1, -+ .exclusive = 1, -+ .r = { { -+ .slots = ((1 << AC97_SLOT_PCM_LEFT) -+ | (1 << AC97_SLOT_PCM_RIGHT)), -+ } } -+ }, -+ /* Mic in */ -+ { -+ .stream = 1, -+ .exclusive = 1, -+ .r = { { -+ .slots = (1<<AC97_SLOT_MIC), -+ } } -+ }, -+}; -+ -+static int __devinit snd_atmel_ac97_pcm_new(atmel_ac97_t *chip) -+{ -+ struct snd_pcm *pcm; -+ int err; -+ -+ err = snd_ac97_pcm_assign(chip->ac97_bus, -+ ARRAY_SIZE(atmel_ac97_pcm_defs), -+ atmel_ac97_pcm_defs); -+ if (err) -+ return err; -+ -+ err = snd_pcm_new(chip->card, "Atmel-AC97", 0, 1, 1, &pcm); -+ if (err) -+ return err; -+ -+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, -+ &atmel_ac97_playback_ops); -+ -+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, -+ &atmel_ac97_capture_ops); -+ -+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, -+ &chip->pdev->dev, -+ 128 * 1024, 128 * 1024); -+ -+ pcm->private_data = chip; -+ pcm->info_flags = 0; -+ strcpy(pcm->name, "Atmel-AC97"); -+ chip->pcm = pcm; -+ -+ return 0; -+} -+ -+/* Mixer part */ -+static int snd_atmel_ac97_mixer_new(atmel_ac97_t *chip) -+{ -+ int err; -+ struct snd_ac97_template template; -+ -+ memset(&template, 0, sizeof(template)); -+ template.private_data = chip; -+ err = snd_ac97_mixer(chip->ac97_bus, &template, &chip->ac97); -+ -+ return err; -+} -+ -+static void atmel_ac97_error(struct dma_request *_req) -+{ -+ struct dma_request_cyclic *req = to_dma_request_cyclic(_req); -+ -+ printk(KERN_WARNING -+ "DMA Controller error, channel %d (AC97C)\n", -+ req->req.channel); -+} -+ -+static void atmel_ac97_block_complete(struct dma_request *_req) -+{ -+ struct dma_request_cyclic *req = to_dma_request_cyclic(_req); -+ atmel_ac97_t *chip = req->dev_id; -+ if (req->periph_id == chip->dma.tx_periph_id) -+ snd_pcm_period_elapsed(chip->playback_substream); -+ else -+ snd_pcm_period_elapsed(chip->capture_substream); -+} -+ -+/* -+ * Codec part -+ */ -+static void snd_atmel_ac97_write(struct snd_ac97 *ac97, unsigned short reg, -+ unsigned short val) -+{ -+ atmel_ac97_t *chip = get_chip(ac97); -+ unsigned long word; -+ int timeout = 40; -+ -+ word = (reg & 0x7f) << 16 | val; -+ -+ do { -+ if (ac97c_readl(chip, COSR) & AC97C_CSR_TXRDY) { -+ ac97c_writel(chip, COTHR, word); -+ return; -+ } -+ udelay(1); -+ } while (--timeout); -+ -+ snd_printk(KERN_WARNING "atmel-ac97: codec write timeout\n"); -+} -+ -+static unsigned short snd_atmel_ac97_read(struct snd_ac97 *ac97, -+ unsigned short reg) -+{ -+ atmel_ac97_t *chip = get_chip(ac97); -+ unsigned long word; -+ int timeout = 40; -+ int write = 10; -+ -+ word = (0x80 | (reg & 0x7f)) << 16; -+ -+ if ((ac97c_readl(chip, COSR) & AC97C_CSR_RXRDY) != 0) -+ ac97c_readl(chip, CORHR); -+ -+retry_write: -+ timeout = 40; -+ -+ do { -+ if ((ac97c_readl(chip, COSR) & AC97C_CSR_TXRDY) != 0) { -+ ac97c_writel(chip, COTHR, word); -+ goto read_reg; -+ } -+ mdelay(10); -+ } while (--timeout); -+ -+ if (!--write) -+ goto timed_out; -+ goto retry_write; -+ -+read_reg: -+ do { -+ if ((ac97c_readl(chip, COSR) & AC97C_CSR_RXRDY) != 0){ -+ unsigned short val = ac97c_readl(chip, CORHR); -+ return val; -+ } -+ mdelay(10); -+ } while (--timeout); -+ -+ if (!--write) -+ goto timed_out; -+ goto retry_write; -+ -+timed_out: -+ snd_printk(KERN_INFO "atmel-ac97: codec read timeout\n"); -+ return 0xffff; -+} -+ -+static void snd_atmel_ac97_reset(atmel_ac97_t *chip) -+{ -+ /* TODO: Perform hard reset of codec as well */ -+ ac97c_writel(chip, MR, AC97C_MR_WRST); -+ mdelay(1); -+ ac97c_writel(chip, MR, AC97C_MR_ENA); -+} -+ -+static void snd_atmel_ac97_destroy(struct snd_card *card) -+{ -+ atmel_ac97_t *chip = get_chip(card); -+ -+ if (chip->regs) -+ iounmap(chip->regs); -+ -+ if (chip->mck) { -+ clk_disable(chip->mck); -+ clk_put(chip->mck); -+ } -+ -+ if (chip->dma.req_tx.req.dmac){ -+ dma_release_channel(chip->dma.req_tx.req.dmac, -+ chip->dma.req_tx.req.channel); -+ } -+ if (chip->dma.req_rx.req.dmac) { -+ dma_release_channel(chip->dma.req_rx.req.dmac, -+ chip->dma.req_rx.req.channel); -+ } -+} -+ -+static int __devinit snd_atmel_ac97_create(struct snd_card *card, -+ struct platform_device *pdev) -+{ -+ static struct snd_ac97_bus_ops ops = { -+ .write = snd_atmel_ac97_write, -+ .read = snd_atmel_ac97_read, -+ }; -+ atmel_ac97_t *chip = get_chip(card); -+ struct resource *regs; -+ struct clk *mck; -+ int err; -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) -+ return -ENXIO; -+ -+ mck = clk_get(&pdev->dev, "pclk"); -+ if (IS_ERR(mck)) -+ return PTR_ERR(mck); -+ clk_enable(mck); -+ chip->mck = mck; -+ -+ card->private_free = snd_atmel_ac97_destroy; -+ -+ spin_lock_init(&chip->lock); -+ chip->card = card; -+ chip->pdev = pdev; -+ -+ chip->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!chip->regs) -+ return -ENOMEM; -+ -+ snd_card_set_dev(card, &pdev->dev); -+ -+ err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus); -+ -+ return err; -+} -+ -+static int __devinit snd_atmel_ac97_probe(struct platform_device *pdev) -+{ -+ static int dev; -+ struct snd_card *card; -+ atmel_ac97_t *chip; -+ int err; -+ int ch; -+ -+ mutex_init(&opened_mutex); -+ -+ err = -ENOMEM; -+ card = snd_card_new(-1, id, THIS_MODULE, sizeof(atmel_ac97_t)); -+ if (!card) -+ goto out; -+ chip = get_chip(card); -+ -+ err = snd_atmel_ac97_create(card, pdev); -+ if (err) -+ goto out_free_card; -+ -+ snd_atmel_ac97_reset(chip); -+ -+ err = snd_atmel_ac97_mixer_new(chip); -+ if (err) -+ goto out_free_card; -+ -+ err = snd_atmel_ac97_pcm_new(chip); -+ if (err) -+ goto out_free_card; -+ -+ /* TODO: Get this information from the platform device */ -+ chip->dma.req_tx.req.dmac = find_dma_controller(0); -+ if (!chip->dma.req_tx.req.dmac) { -+ printk(KERN_ERR -+ "atmel-ac97c: No DMA controller for TX, aborting\n"); -+ goto out_free_card; -+ } -+ chip->dma.req_rx.req.dmac = find_dma_controller(0); -+ if (!chip->dma.req_rx.req.dmac) { -+ snd_printk(KERN_ERR -+ "atmel-ac97c: No DMA controller available for RX, aborting\n"); -+ goto out_free_card; -+ } -+ -+ chip->dma.rx_periph_id = 3; -+ chip->dma.tx_periph_id = 4; -+ -+ ch = dma_alloc_channel(chip->dma.req_tx.req.dmac); -+ if (ch < 0) { -+ printk(KERN_ERR -+ "atmel-ac97c: Unable to allocate TX DMA channel, aborting\n"); -+ goto out_free_card; -+ } -+ chip->dma.req_tx.req.channel = ch; -+ chip->dma.req_tx.width = DMA_WIDTH_16BIT; -+ chip->dma.req_tx.req.block_complete = atmel_ac97_block_complete; -+ chip->dma.req_tx.req.error = atmel_ac97_error; -+ -+ ch = dma_alloc_channel(chip->dma.req_rx.req.dmac); -+ if (ch < 0) { -+ snd_printk(KERN_ERR -+ "atmel-ac97c: Unable to allocate RX DMA channel, aborting\n"); -+ goto out_free_card; -+ } -+ chip->dma.req_rx.req.channel = ch; -+ chip->dma.req_rx.width = DMA_WIDTH_16BIT; -+ chip->dma.req_rx.req.block_complete = atmel_ac97_block_complete; -+ chip->dma.req_rx.req.error = atmel_ac97_error; -+ -+ strcpy(card->driver, "ac97c"); -+ strcpy(card->shortname, "Atmel-AC97"); -+ sprintf(card->longname, "Atmel AVR32 AC97 Controller at 0x%p, dma rx %i and tx %i", -+ chip->regs, chip->dma.rx_periph_id, chip->dma.tx_periph_id); -+ -+ err = snd_card_register(card); -+ if (err) -+ goto out_free_card; -+ -+ platform_set_drvdata(pdev, card); -+ dev++; -+ return 0; -+ -+out_free_card: -+ snd_card_free(card); -+out: -+ return err; -+} -+ -+static int __devexit snd_atmel_ac97_remove(struct platform_device *pdev) -+{ -+ struct snd_card *card = platform_get_drvdata(pdev); -+ -+ snd_card_free(card); -+ platform_set_drvdata(pdev, NULL); -+ return 0; -+} -+ -+static struct platform_driver atmel_ac97_driver = { -+ .remove = __devexit_p(snd_atmel_ac97_remove), -+ .driver = { -+ .name = "atmel_ac97c", -+ }, -+}; -+ -+static int __init atmel_ac97_init(void) -+{ -+ return platform_driver_probe(&atmel_ac97_driver, snd_atmel_ac97_probe); -+} -+ -+static void __exit atmel_ac97_exit(void) -+{ -+ platform_driver_unregister(&atmel_ac97_driver); -+} -+ -+module_init(atmel_ac97_init); -+module_exit(atmel_ac97_exit); -+ -+MODULE_LICENSE("GPL"); -+MODULE_DESCRIPTION("Driver for Atmel AC97 Controller"); -+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); -diff --git a/sound/avr32/ac97c.h b/sound/avr32/ac97c.h -new file mode 100644 -index 0000000..96246e7 ---- /dev/null -+++ b/sound/avr32/ac97c.h -@@ -0,0 +1,71 @@ -+/* -+ * Register definitions for the Atmel AC97 Controller. -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __SOUND_AVR32_AC97C_H -+#define __SOUND_AVR32_AC97C_H -+ -+#define AC97C_MR 0x08 -+#define AC97C_ICA 0x10 -+#define AC97C_OCA 0x14 -+#define AC97C_CARHR 0x20 -+#define AC97C_CATHR 0x24 -+#define AC97C_CASR 0x28 -+#define AC97C_CAMR 0x2c -+#define AC97C_CBRHR 0x30 -+#define AC97C_CBTHR 0x34 -+#define AC97C_CBSR 0x38 -+#define AC97C_CBMR 0x3c -+#define AC97C_CORHR 0x40 -+#define AC97C_COTHR 0x44 -+#define AC97C_COSR 0x48 -+#define AC97C_COMR 0x4c -+#define AC97C_SR 0x50 -+#define AC97C_IER 0x54 -+#define AC97C_IDR 0x58 -+#define AC97C_IMR 0x5c -+#define AC97C_VERSION 0xfc -+ -+#define AC97C_CATPR PDC_TPR -+#define AC97C_CATCR PDC_TCR -+#define AC97C_CATNPR PDC_TNPR -+#define AC97C_CATNCR PDC_TNCR -+#define AC97C_CARPR PDC_RPR -+#define AC97C_CARCR PDC_RCR -+#define AC97C_CARNPR PDC_RNPR -+#define AC97C_CARNCR PDC_RNCR -+#define AC97C_PTCR PDC_PTCR -+ -+#define AC97C_MR_ENA (1 << 0) -+#define AC97C_MR_WRST (1 << 1) -+#define AC97C_MR_VRA (1 << 2) -+ -+#define AC97C_CSR_TXRDY (1 << 0) -+#define AC97C_CSR_UNRUN (1 << 2) -+#define AC97C_CSR_RXRDY (1 << 4) -+#define AC97C_CSR_ENDTX (1 << 10) -+#define AC97C_CSR_ENDRX (1 << 14) -+ -+#define AC97C_CMR_SIZE_20 (0 << 16) -+#define AC97C_CMR_SIZE_18 (1 << 16) -+#define AC97C_CMR_SIZE_16 (2 << 16) -+#define AC97C_CMR_SIZE_10 (3 << 16) -+#define AC97C_CMR_CEM_LITTLE (1 << 18) -+#define AC97C_CMR_CEM_BIG (0 << 18) -+#define AC97C_CMR_CENA (1 << 21) -+#define AC97C_CMR_PDCEN (1 << 22) -+ -+#define AC97C_SR_CAEVT (1 << 3) -+ -+#define AC97C_CH_ASSIGN(slot, channel) \ -+ (AC97C_CHANNEL_##channel << (3 * (AC97_SLOT_##slot - 3))) -+#define AC97C_CHANNEL_NONE 0x0 -+#define AC97C_CHANNEL_A 0x1 -+#define AC97C_CHANNEL_B 0x2 -+ -+#endif /* __SOUND_AVR32_AC97C_H */ -diff --git a/sound/spi/Kconfig b/sound/spi/Kconfig -new file mode 100644 -index 0000000..6814353 ---- /dev/null -+++ b/sound/spi/Kconfig -@@ -0,0 +1,31 @@ -+#SPI drivers -+ -+menu "SPI devices" -+ depends on SND != n -+ -+config SND_AT73C213 -+ tristate "Atmel AT73C213 DAC driver" -+ depends on ATMEL_SSC -+ select SND_PCM -+ help -+ Say Y here if you want to use the Atmel AT73C213 DAC. This device can -+ be found on several development boards for AT91 and AVR32. -+ -+ This driver requires the Atmel SSC driver for sound sink, a -+ peripheral found on most AT91 and AVR32 microprocessors. -+ -+ To compile this driver as a module, choose M here: the -+ module will be called snd-at73c213. -+ -+config SND_AT73C213_TARGET_BITRATE -+ int "Target bitrate for AT73C213" -+ depends on SND_AT73C213 -+ default "48000" -+ range 8000 50000 -+ help -+ Sets the target bitrate for the bitrate calculator in the driver. -+ Limited by hardware to be between 8000 Hz and 50000 Hz. -+ -+ Set to 48000 Hz by default. -+ -+endmenu -diff --git a/sound/spi/Makefile b/sound/spi/Makefile -new file mode 100644 -index 0000000..026fb73 ---- /dev/null -+++ b/sound/spi/Makefile -@@ -0,0 +1,5 @@ -+# Makefile for SPI drivers -+ -+snd-at73c213-objs := at73c213.o -+ -+obj-$(CONFIG_SND_AT73C213) += snd-at73c213.o -diff --git a/sound/spi/at73c213.c b/sound/spi/at73c213.c -new file mode 100644 -index 0000000..f94e417 ---- /dev/null -+++ b/sound/spi/at73c213.c -@@ -0,0 +1,1123 @@ -+/* -+ * Driver for AT73C213 16-bit stereo DAC connected to Atmel SSC -+ * -+ * Copyright (C) 2006 Atmel Norway -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License as -+ * published by the Free Software Foundation; either version 2 of the -+ * License, or (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -+ * 02111-1307, USA. -+ * -+ * The full GNU General Public License is included in this -+ * distribution in the file called COPYING. -+ */ -+ -+/*#define DEBUG*/ -+ -+#include <linux/clk.h> -+#include <linux/err.h> -+#include <linux/delay.h> -+#include <linux/device.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/kmod.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+ -+#include <sound/initval.h> -+#include <sound/driver.h> -+#include <sound/control.h> -+#include <sound/core.h> -+#include <sound/pcm.h> -+ -+#include <linux/ssc.h> -+ -+#include <linux/spi/spi.h> -+#include <linux/spi/at73c213.h> -+ -+#include <asm/io.h> -+#include <asm/processor.h> -+ -+#include "at73c213.h" -+ -+#define BITRATE_MIN 8000 /* hardware limit? */ -+#define BITRATE_TARGET CONFIG_SND_AT73C213_TARGET_BITRATE -+#define BITRATE_MAX 50000 /* hardware limit */ -+ -+/* initial (hardware reset) AT73C213 register values */ -+static unsigned char snd_at73c213_original_image[18] = -+{ -+ 0x00, /* 00 - CTRL */ -+ 0x05, /* 01 - LLIG */ -+ 0x05, /* 02 - RLIG */ -+ 0x08, /* 03 - LPMG */ -+ 0x08, /* 04 - RPMG */ -+ 0x00, /* 05 - LLOG */ -+ 0x00, /* 06 - RLOG */ -+ 0x22, /* 07 - OLC */ -+ 0x09, /* 08 - MC */ -+ 0x00, /* 09 - CSFC */ -+ 0x00, /* 0A - MISC */ -+ 0x00, /* 0B - */ -+ 0x00, /* 0C - PRECH */ -+ 0x05, /* 0D - AUXG */ -+ 0x00, /* 0E - */ -+ 0x00, /* 0F - */ -+ 0x00, /* 10 - RST */ -+ 0x00, /* 11 - PA_CTRL */ -+}; -+ -+/* SSC setup */ -+static struct ssc_mode ssc_at73c213 = -+{ -+ .mode = ATMEL_SSC_MODE_I2S_MASTER, -+ .data_length = 16, -+}; -+ -+/* chip-specific data */ -+struct snd_at73c213 { -+ struct snd_card *card; -+ struct snd_pcm *pcm; -+ struct snd_pcm_substream *substream; -+ int irq; -+ int period; -+ unsigned long bitrate; -+ struct clk *bitclk; -+ struct clk *dac_clk; -+ struct ssc_device *ssc; -+ struct spi_device *spi; -+ struct at73c213_board_info *info; -+ struct ssc_xfer_info ssc_xfer; -+ u8 spi_wbuffer[2]; -+ u8 spi_rbuffer[2]; -+ /* image of the SPI registers in AT73C213 */ -+ u8 image[18]; -+ spinlock_t lock; -+}; -+ -+#define get_chip(card) ((struct snd_at73c213 *)card->private_data) -+ -+static int -+snd_at73c213_write_reg(struct snd_at73c213 *chip, u8 reg, u8 val) -+{ -+ struct spi_message msg; -+ struct spi_transfer msg_xfer = { -+ .len = 2, -+ .cs_change = 0, -+ }; -+ -+ spi_message_init(&msg); -+ -+ chip->spi_wbuffer[0] = reg; -+ chip->spi_wbuffer[1] = val; -+ -+ msg_xfer.tx_buf = chip->spi_wbuffer; -+ msg_xfer.rx_buf = chip->spi_rbuffer; -+ spi_message_add_tail(&msg_xfer, &msg); -+ -+ return spi_sync(chip->spi, &msg); -+} -+ -+#define write_reg(_spi, reg, val) \ -+ do { \ -+ retval = snd_at73c213_write_reg(_spi, reg, val); \ -+ if (retval) \ -+ goto out; \ -+ } while (0) -+ -+static struct snd_pcm_hardware snd_at73c213_playback_hw = { -+ .info = SNDRV_PCM_INFO_INTERLEAVED | -+ SNDRV_PCM_INFO_BLOCK_TRANSFER, -+ .formats = SNDRV_PCM_FMTBIT_S16_BE, -+ .rates = SNDRV_PCM_RATE_CONTINUOUS, -+ .rate_min = 8000, /* overwritten by chip->bitrate */ -+ .rate_max = 50000, /* overwritten by chip->bitrate */ -+ .channels_min = 2, -+ .channels_max = 2, -+ .buffer_bytes_max = 64 * 1024 - 1, -+ .period_bytes_min = 512, -+ .period_bytes_max = 64 * 1024 - 1, -+ .periods_min = 4, -+ .periods_max = 1024, -+}; -+ -+/* -+ * calculate and set bitrate and divisions -+ */ -+static int snd_at73c213_set_bitrate(struct snd_at73c213 *chip) -+{ -+ unsigned long ssc_rate = ssc_clk_get_rate(chip->ssc); -+ unsigned long dac_rate_new, ssc_div, status; -+ unsigned long ssc_div_max, ssc_div_min; -+ int max_tries, retval; -+ -+ /* We connect two clocks here, picking divisors so the I2S clocks -+ * out data at the same rate the DAC clocks it in ... and as close -+ * as practical to the desired target rate. -+ * -+ * The DAC master clock (MCLK) is programmable, and is either 256 -+ * or (not here) 384 times the I2S output clock (BCLK). -+ */ -+ -+ /* SSC clock / (bitrate * stereo * 16-bit) */ -+ ssc_div = ssc_rate / (BITRATE_TARGET * 2 * 16); -+ ssc_div_min = ssc_rate / (BITRATE_MAX * 2 * 16); -+ ssc_div_max = ssc_rate / (BITRATE_MIN * 2 * 16); -+ max_tries = (ssc_div_max - ssc_div_min) / 2; -+ -+ if ((ssc_div % 2) != 0) -+ ssc_div++; -+ if ((ssc_rate / (ssc_div * 2 * 16)) < BITRATE_MIN) { -+ ssc_div -= 2; -+ if ((ssc_rate / (ssc_div * 2 * 16)) > BITRATE_MAX) { -+ return -ENXIO; -+ } -+ } -+ -+ /* search for a possible bitrate */ -+ do { -+ /* SSC clock / (ssc divider * 16-bit * stereo) */ -+ if ((ssc_rate / (ssc_div * 2 * 16)) < BITRATE_MIN) -+ return -ENXIO; -+ -+ dac_rate_new = 8 * (ssc_rate / ssc_div); /* 256 / (2 * 16) = 8 */ -+ -+ status = clk_round_rate(chip->dac_clk, dac_rate_new); -+ if (status < 0) -+ return status; -+ -+ /* ignore difference smaller than 256 Hz */ -+ if ((status/256) == (dac_rate_new/256)) -+ goto set_rate; -+ -+ ssc_div += 2; -+ } while (--max_tries); -+ -+ /* not able to find a bitrate */ -+ return -ENXIO; -+ -+set_rate: -+ status = clk_set_rate(chip->dac_clk, status); -+ if (status < 0) -+ return status; -+ -+ ssc_at73c213.bauddiv = ssc_div; -+ retval = ssc_set_mode(chip->ssc, &ssc_at73c213); -+ if (retval) -+ return retval; -+ -+ /* SSC clock / (ssc divider * 16-bit * stereo) */ -+ chip->bitrate = ssc_rate / (ssc_div * 16 * 2); -+ -+ printk(KERN_INFO "at73c213: supported bitrate is %lu (%lu divider)\n", -+ chip->bitrate, ssc_div); -+ -+ return 0; -+} -+ -+/* open callback */ -+static int snd_at73c213_pcm_open(struct snd_pcm_substream *substream) -+{ -+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ -+ snd_at73c213_playback_hw.rate_min = chip->bitrate; -+ snd_at73c213_playback_hw.rate_max = chip->bitrate; -+ runtime->hw = snd_at73c213_playback_hw; -+ chip->substream = substream; -+ -+ return 0; -+} -+ -+/* close callback */ -+static int snd_at73c213_pcm_close(struct snd_pcm_substream *substream) -+{ -+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); -+ chip->substream = NULL; -+ return 0; -+} -+ -+/* hw_params callback */ -+static int snd_at73c213_pcm_hw_params(struct snd_pcm_substream *substream, -+ struct snd_pcm_hw_params *hw_params) -+{ -+ return snd_pcm_lib_malloc_pages(substream, -+ params_buffer_bytes(hw_params)); -+} -+ -+/* hw_free callback */ -+static int snd_at73c213_pcm_hw_free(struct snd_pcm_substream *substream) -+{ -+ return snd_pcm_lib_free_pages(substream); -+} -+ -+/* prepare callback */ -+static int snd_at73c213_pcm_prepare(struct snd_pcm_substream *substream) -+{ -+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ int block_size; -+ -+ block_size = frames_to_bytes(runtime, runtime->period_size); -+ -+ chip->period = 0; -+ -+ /* Make sure that our data are actually readable by the SSC */ -+ dma_sync_single_for_device(&chip->spi->dev, -+ (long)runtime->dma_area, -+ block_size, DMA_TO_DEVICE); -+ dma_sync_single_for_device(&chip->spi->dev, -+ (long)runtime->dma_area + block_size, -+ block_size, DMA_TO_DEVICE); -+ -+ chip->ssc_xfer.data = (long)runtime->dma_area; -+ chip->ssc_xfer.data &= ~0xe0000000; -+ chip->ssc_xfer.len = runtime->period_size * 2; -+ chip->ssc_xfer.next_data = (long)runtime->dma_area + block_size; -+ chip->ssc_xfer.next_data &= ~0xe0000000; -+ chip->ssc_xfer.next_len = runtime->period_size * 2; -+ ssc_set_tx_buffers(chip->ssc, &chip->ssc_xfer); -+ -+ return 0; -+} -+ -+/* trigger callback */ -+static int snd_at73c213_pcm_trigger(struct snd_pcm_substream *substream, -+ int cmd) -+{ -+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); -+ int retval = 0; -+ unsigned long flags = 0; -+ -+ spin_lock_irqsave(&chip->lock, flags); -+ -+ switch (cmd) { -+ case SNDRV_PCM_TRIGGER_START: -+ ssc_enable_int(chip->ssc, SSC_BIT(IER_ENDTX)); -+ ssc_enable_xfer(chip->ssc, 1, 0); -+ break; -+ case SNDRV_PCM_TRIGGER_STOP: -+ ssc_disable_xfer(chip->ssc, 1, 0); -+ ssc_disable_int(chip->ssc, SSC_BIT(IDR_ENDTX)); -+ break; -+ default: -+ printk(KERN_WARNING "at73c213: spurious command %x\n", cmd); -+ retval = -EINVAL; -+ break; -+ } -+ -+ spin_unlock_irqrestore(&chip->lock, flags); -+ -+ return retval; -+} -+ -+/* pointer callback */ -+static snd_pcm_uframes_t snd_at73c213_pcm_pointer(struct snd_pcm_substream *substream) -+{ -+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ snd_pcm_uframes_t pos; -+ unsigned long bytes; -+ -+ ssc_get_tx_buffers(chip->ssc, &chip->ssc_xfer); -+ bytes = chip->ssc_xfer.data - (unsigned long)runtime->dma_area; -+ -+ pos = bytes_to_frames(runtime, bytes); -+ if (pos >= runtime->buffer_size) -+ pos -= runtime->buffer_size; -+ -+ return pos; -+} -+ -+/* operators */ -+static struct snd_pcm_ops at73c213_playback_ops = { -+ .open = snd_at73c213_pcm_open, -+ .close = snd_at73c213_pcm_close, -+ .ioctl = snd_pcm_lib_ioctl, -+ .hw_params = snd_at73c213_pcm_hw_params, -+ .hw_free = snd_at73c213_pcm_hw_free, -+ .prepare = snd_at73c213_pcm_prepare, -+ .trigger = snd_at73c213_pcm_trigger, -+ .pointer = snd_at73c213_pcm_pointer, -+}; -+ -+/* free a pcm device */ -+static void snd_at73c213_pcm_free(struct snd_pcm *pcm) -+{ -+ struct snd_at73c213 *chip = snd_pcm_chip(pcm); -+ if (chip->pcm) { -+ snd_pcm_lib_preallocate_free_for_all(chip->pcm); -+ chip->pcm = NULL; -+ } -+} -+ -+/* create a new pcm device */ -+static int __devinit snd_at73c213_pcm_new(struct snd_at73c213 *chip, int device) -+{ -+ struct snd_pcm *pcm; -+ int retval; -+ -+ retval = snd_pcm_new(chip->card, chip->card->shortname, device, 1, 0, &pcm); -+ if (retval < 0) -+ return retval; -+ -+ pcm->private_data = chip; -+ pcm->private_free = snd_at73c213_pcm_free; -+ pcm->info_flags = SNDRV_PCM_INFO_BLOCK_TRANSFER; -+ strcpy(pcm->name, "at73c213"); -+ chip->pcm = pcm; -+ -+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &at73c213_playback_ops); -+ -+ /* TODO: why can I not use SNDRV_DMA_TYPE_DEV? */ -+ retval = snd_pcm_lib_preallocate_pages_for_all(chip->pcm, -+ SNDRV_DMA_TYPE_CONTINUOUS, -+ snd_dma_continuous_data(GFP_KERNEL), -+ 64 * 1024, 64 * 1024); -+ return 0; -+} -+ -+static irqreturn_t snd_at73c213_interrupt(int irq, void *dev_id) -+{ -+ struct snd_at73c213 *chip = dev_id; -+ struct snd_pcm_runtime *runtime = chip->substream->runtime; -+ u32 status; -+ int offset, next_period, block_size, mask, retval; -+ -+ spin_lock(&chip->lock); -+ -+ block_size = frames_to_bytes(runtime, runtime->period_size); -+ -+ retval = ssc_get_int_mask(chip->ssc, &status); -+ if (retval) -+ return retval; -+ -+ if (status & SSC_BIT(IMR_ENDTX)) { -+ chip->period++; -+ if (chip->period == runtime->periods) -+ chip->period = 0; -+ next_period = chip->period + 1; -+ if (next_period == runtime->periods) -+ next_period = 0; -+ -+ offset = block_size * next_period; -+ -+ /* make sure that our data are actually readable by the SSC */ -+ dma_sync_single_for_device(&chip->spi->dev, -+ (long)runtime->dma_area + offset, -+ block_size, DMA_TO_DEVICE); -+ chip->ssc_xfer.data = 0; /* only update next pointer */ -+ chip->ssc_xfer.next_data = (long)runtime->dma_area + offset; -+ chip->ssc_xfer.next_data &= ~0xe0000000; -+ chip->ssc_xfer.next_len = runtime->period_size * 2; -+ ssc_set_tx_buffers(chip->ssc, &chip->ssc_xfer); -+ } else { -+ printk(KERN_WARNING -+ "Spurious SSC interrupt, status = 0x%08lx\n", -+ (unsigned long)status); -+ ssc_disable_int(chip->ssc, status); -+ } -+ -+ ssc_get_int_mask(chip->ssc, &mask); -+ spin_unlock(&chip->lock); -+ -+ if (status & SSC_BIT(IMR_ENDTX)) -+ snd_pcm_period_elapsed(chip->substream); -+ -+ return IRQ_HANDLED; -+} -+ -+/* -+ * Mixer functions -+ */ -+#if 0 /* Function not in use */ -+static int snd_at73c213_mono_info(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ unsigned long mask = (kcontrol->private_value >> 16) & 0xff; -+ -+ uinfo->type = (mask == 1) ? -+ SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; -+ uinfo->count = 1; -+ uinfo->value.integer.min = 0; -+ uinfo->value.integer.max = mask; -+ -+ return 0; -+} -+#endif -+ -+static int snd_at73c213_mono_get(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ unsigned long flags; -+ int reg = kcontrol->private_value & 0xff; -+ int shift = (kcontrol->private_value >> 8) & 0xff; -+ int mask = (kcontrol->private_value >> 16) & 0xff; -+ int invert = (kcontrol->private_value >> 24) & 0xff; -+ -+ spin_lock_irqsave(&chip->lock, flags); -+ -+ ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask; -+ -+ if (invert) -+ ucontrol->value.integer.value[0] = -+ (mask - ucontrol->value.integer.value[0]); -+ -+ spin_unlock_irqrestore(&chip->lock, flags); -+ -+ return 0; -+} -+ -+static int snd_at73c213_mono_put(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ unsigned long flags; -+ int reg = kcontrol->private_value & 0xff; -+ int shift = (kcontrol->private_value >> 8) & 0xff; -+ int mask = (kcontrol->private_value >> 16) & 0xff; -+ int invert = (kcontrol->private_value >> 24) & 0xff; -+ int change, retval; -+ unsigned short val; -+ -+ val = (ucontrol->value.integer.value[0] & mask); -+ if (invert) -+ val = mask - val; -+ val <<= shift; -+ -+ spin_lock_irqsave(&chip->lock, flags); -+ -+ val = (chip->image[reg] & ~(mask << shift)) | val; -+ change = val != chip->image[reg]; -+ write_reg(chip, reg, val); -+ -+ chip->image[reg] = val; -+ -+ spin_unlock_irqrestore(&chip->lock, flags); -+ -+ return change; -+ -+out: -+ return retval; -+} -+ -+static int snd_at73c213_stereo_info(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ int mask = (kcontrol->private_value >> 24) & 0xFF; -+ -+ uinfo->type = mask == 1 ? -+ SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; -+ uinfo->count = 2; -+ uinfo->value.integer.min = 0; -+ uinfo->value.integer.max = mask; -+ -+ return 0; -+} -+ -+static int snd_at73c213_stereo_get(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ unsigned long flags; -+ int left_reg = kcontrol->private_value & 0xff; -+ int right_reg = (kcontrol->private_value >> 8) & 0xff; -+ int shift_left = (kcontrol->private_value >> 16) & 0x07; -+ int shift_right = (kcontrol->private_value >> 19) & 0x07; -+ int mask = (kcontrol->private_value >> 24) & 0xff; -+ int invert = (kcontrol->private_value >> 22) & 1; -+ -+ spin_lock_irqsave(&chip->lock, flags); -+ -+ ucontrol->value.integer.value[0] = -+ (chip->image[left_reg] >> shift_left) & mask; -+ ucontrol->value.integer.value[1] = -+ (chip->image[right_reg] >> shift_right) & mask; -+ -+ if (invert) { -+ ucontrol->value.integer.value[0] = -+ (mask - ucontrol->value.integer.value[0]); -+ ucontrol->value.integer.value[1] = -+ (mask - ucontrol->value.integer.value[1]); -+ } -+ -+ spin_unlock_irqrestore(&chip->lock, flags); -+ -+ return 0; -+} -+ -+static int snd_at73c213_stereo_put(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ unsigned long flags; -+ int left_reg = kcontrol->private_value & 0xff; -+ int right_reg = (kcontrol->private_value >> 8) & 0xff; -+ int shift_left = (kcontrol->private_value >> 16) & 0x07; -+ int shift_right = (kcontrol->private_value >> 19) & 0x07; -+ int mask = (kcontrol->private_value >> 24) & 0xff; -+ int invert = (kcontrol->private_value >> 22) & 1; -+ int change, retval; -+ unsigned short val1, val2; -+ -+ val1 = ucontrol->value.integer.value[0] & mask; -+ val2 = ucontrol->value.integer.value[1] & mask; -+ if (invert) { -+ val1 = mask - val1; -+ val2 = mask - val2; -+ } -+ val1 <<= shift_left; -+ val2 <<= shift_right; -+ -+ spin_lock_irqsave(&chip->lock, flags); -+ -+ val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; -+ val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2; -+ change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg]; -+ write_reg(chip, left_reg, val1); -+ write_reg(chip, right_reg, val2); -+ -+ chip->image[left_reg] = val1; -+ chip->image[right_reg] = val2; -+ -+ spin_unlock_irqrestore(&chip->lock, flags); -+ -+ return change; -+ -+out: -+ return retval; -+} -+ -+static int snd_at73c213_mono_switch_info(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; -+ uinfo->count = 1; -+ uinfo->value.integer.min = 0; -+ uinfo->value.integer.max = 1; -+ -+ return 0; -+} -+ -+static int snd_at73c213_mono_switch_get(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ unsigned long flags; -+ int reg = kcontrol->private_value & 0xff; -+ int shift = (kcontrol->private_value >> 8) & 0xff; -+ int invert = (kcontrol->private_value >> 24) & 0xff; -+ -+ spin_lock_irqsave(&chip->lock, flags); -+ -+ ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & 0x01; -+ -+ if (invert) -+ ucontrol->value.integer.value[0] = -+ (0x01 - ucontrol->value.integer.value[0]); -+ -+ spin_unlock_irqrestore(&chip->lock, flags); -+ -+ return 0; -+} -+ -+static int snd_at73c213_mono_switch_put(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ unsigned long flags; -+ int reg = kcontrol->private_value & 0xff; -+ int shift = (kcontrol->private_value >> 8) & 0xff; -+ int mask = (kcontrol->private_value >> 16) & 0xff; -+ int invert = (kcontrol->private_value >> 24) & 0xff; -+ int change, retval; -+ unsigned short val; -+ -+ if (ucontrol->value.integer.value[0]) -+ val = mask; -+ else -+ val = 0; -+ -+ if (invert) -+ val = mask - val; -+ val <<= shift; -+ -+ spin_lock_irqsave(&chip->lock, flags); -+ -+ val |= (chip->image[reg] & ~(mask << shift)); -+ change = val != chip->image[reg]; -+ -+ write_reg(chip, reg, val); -+ -+ chip->image[reg] = val; -+ -+ spin_unlock_irqrestore(&chip->lock, flags); -+ -+ return change; -+ -+out: -+ return retval; -+} -+ -+static int snd_at73c213_pa_volume_info(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; -+ uinfo->count = 1; -+ uinfo->value.integer.min = 0; -+ uinfo->value.integer.max = ((kcontrol->private_value >> 16) & 0xFF) - 1; -+ -+ return 0; -+} -+ -+static int snd_at73c213_line_capture_volume_info( -+ struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; -+ uinfo->count = 2; -+ uinfo->value.integer.min = 14; -+ uinfo->value.integer.max = 31; -+ -+ return 0; -+} -+ -+static int snd_at73c213_aux_capture_volume_info( -+ struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; -+ uinfo->count = 1; -+ uinfo->value.integer.min = 14; -+ uinfo->value.integer.max = 31; -+ -+ return 0; -+} -+ -+#define AT73C213_MONO(xname, xindex, reg, shift, mask, invert) \ -+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ -+ .info = snd_at73c213_mono_info, \ -+ .get = snd_at73c213_mono_get, .put = snd_at73c213_mono_put, \ -+ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } -+ -+#define AT73C213_MONO_SWITCH(xname, xindex, reg, shift, mask, invert) \ -+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ -+ .info = snd_at73c213_mono_switch_info, \ -+ .get = snd_at73c213_mono_switch_get, .put = snd_at73c213_mono_switch_put, \ -+ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } -+ -+#define AT73C213_STEREO(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ -+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ -+ .info = snd_at73c213_stereo_info, \ -+ .get = snd_at73c213_stereo_get, .put = snd_at73c213_stereo_put, \ -+ .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } -+ -+static struct snd_kcontrol_new snd_at73c213_controls[] __devinitdata = { -+AT73C213_STEREO("Master Playback Volume", 0, DAC_LMPG, DAC_RMPG, 0, 0, 0x1F, 1), -+AT73C213_STEREO("Master Playback Switch", 0, DAC_LMPG, DAC_RMPG, 5, 5, 1, 1), -+AT73C213_STEREO("PCM Playback Volume", 0, DAC_LLOG, DAC_RLOG, 0, 0, 0x1F, 1), -+AT73C213_STEREO("PCM Playback Switch", 0, DAC_LLOG, DAC_RLOG, 5, 5, 1, 1), -+AT73C213_MONO_SWITCH("Mono PA Playback Switch", 0, DAC_CTRL, DAC_CTRL_ONPADRV, 0x01, 0), -+{ -+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, -+ .name = "PA Playback Volume", -+ .index = 0, -+ .info = snd_at73c213_pa_volume_info, -+ .get = snd_at73c213_mono_get, -+ .put = snd_at73c213_mono_put, -+ .private_value = PA_CTRL|(PA_CTRL_APAGAIN<<8)|(0x0F<<16)|(1<<24), -+}, -+AT73C213_MONO_SWITCH("PA High Gain Playback Switch", 0, PA_CTRL, PA_CTRL_APALP, 0x01, 1), -+AT73C213_MONO_SWITCH("PA Playback Switch", 0, PA_CTRL, PA_CTRL_APAON, 0x01, 0), -+{ -+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, -+ .name = "Aux Capture Volume", -+ .index = 0, -+ .info = snd_at73c213_aux_capture_volume_info, -+ .get = snd_at73c213_mono_get, -+ .put = snd_at73c213_mono_put, -+ .private_value = DAC_AUXG|(0<<8)|(0x1F<<16)|(1<<24), -+}, -+AT73C213_MONO_SWITCH("Aux Capture Switch", 0, DAC_CTRL, DAC_CTRL_ONAUXIN, 0x01, 0), -+{ -+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, -+ .name = "Line Capture Volume", -+ .index = 0, -+ .info = snd_at73c213_line_capture_volume_info, -+ .get = snd_at73c213_stereo_get, -+ .put = snd_at73c213_stereo_put, -+ .private_value = DAC_LLIG|(DAC_RLIG<<8)|(0<<16)|(0<<19)|(0x1F<<24)|(1<<22), -+}, -+AT73C213_MONO_SWITCH("Line Capture Switch", 0, DAC_CTRL, 0, 0x03, 0), -+}; -+ -+static int __devinit snd_at73c213_mixer(struct snd_at73c213 *chip) -+{ -+ struct snd_card *card; -+ int errval, idx; -+ -+ if (chip == NULL || chip->pcm == NULL) -+ return -EINVAL; -+ -+ card = chip->card; -+ -+ strcpy(card->mixername, chip->pcm->name); -+ -+ for (idx = 0; idx < ARRAY_SIZE(snd_at73c213_controls); idx++) { -+ if ((errval = snd_ctl_add(card, -+ snd_ctl_new1(&snd_at73c213_controls[idx], -+ chip))) < 0) { -+ goto cleanup; -+ } -+ } -+ -+ return 0; -+ -+cleanup: -+ for (idx = 1; idx < ARRAY_SIZE(snd_at73c213_controls) + 1; idx++) { -+ struct snd_kcontrol *kctl; -+ kctl = snd_ctl_find_numid(card, idx); -+ if (kctl) -+ snd_ctl_remove(card, kctl); -+ } -+ return errval; -+} -+ -+/* -+ * Device functions -+ */ -+static int snd_at73c213_chip_init(struct snd_at73c213 *chip) -+{ -+ int retval; -+ unsigned char dac_ctrl = 0; -+ -+ retval = snd_at73c213_set_bitrate(chip); -+ if (retval) -+ goto out; -+ -+ /* enable DAC master clock */ -+ clk_enable(chip->dac_clk); -+ -+ /* initialize at73c213 on SPI bus */ -+ write_reg(chip, DAC_RST, 0x04); -+ msleep(1); -+ write_reg(chip, DAC_RST, 0x03); -+ -+ /* precharge everything */ -+ write_reg(chip, DAC_PRECH, 0xFF); -+ write_reg(chip, PA_CTRL, (1<<PA_CTRL_APAPRECH)); -+ write_reg(chip, DAC_CTRL, (1<<DAC_CTRL_ONLNOL)|(1<<DAC_CTRL_ONLNOR)); -+ -+ msleep(50); -+ -+ /* stop precharging PA */ -+ write_reg(chip, PA_CTRL, (1<<PA_CTRL_APALP)|0x0F); -+ chip->image[PA_CTRL] = (1<<PA_CTRL_APALP)|0x0F; -+ -+ msleep(450); -+ -+ /* stop precharging DAC, turn on master power */ -+ write_reg(chip, DAC_PRECH, (1<<DAC_PRECH_ONMSTR)); -+ chip->image[DAC_PRECH] = (1<<DAC_PRECH_ONMSTR); -+ -+ msleep(1); -+ -+ /* turn on DAC */ -+ dac_ctrl = (1<<DAC_CTRL_ONDACL)|(1<<DAC_CTRL_ONDACR)| -+ (1<<DAC_CTRL_ONLNOL)|(1<<DAC_CTRL_ONLNOR); -+ -+ write_reg(chip, DAC_CTRL, dac_ctrl); -+ chip->image[DAC_CTRL] = dac_ctrl; -+ -+ /* mute sound */ -+ write_reg(chip, DAC_LMPG, 0x3F); -+ chip->image[DAC_LMPG] = 0x3F; -+ write_reg(chip, DAC_RMPG, 0x3F); -+ chip->image[DAC_RMPG] = 0x3F; -+ write_reg(chip, DAC_LLOG, 0x3F); -+ chip->image[DAC_LLOG] = 0x3F; -+ write_reg(chip, DAC_RLOG, 0x3F); -+ chip->image[DAC_RLOG] = 0x3F; -+ write_reg(chip, DAC_LLIG, 0x11); -+ chip->image[DAC_LLIG] = 0x11; -+ write_reg(chip, DAC_RLIG, 0x11); -+ chip->image[DAC_RLIG] = 0x11; -+ write_reg(chip, DAC_AUXG, 0x11); -+ chip->image[DAC_AUXG] = 0x11; -+ -+ /* enable I2S clock */ -+ retval = ssc_enable(chip->ssc, 1, 0); -+out: -+ return retval; -+} -+ -+static int snd_at73c213_dev_free(struct snd_device *device) -+{ -+ struct snd_at73c213 *chip = device->device_data; -+ -+ ssc_disable(chip->ssc, 1, 0); -+ if (chip->irq >= 0) { -+ free_irq(chip->irq, chip); -+ chip->irq = -1; -+ } -+ ssc_free(chip->ssc); -+ -+ return 0; -+} -+ -+static int __devinit snd_at73c213_init(struct snd_card *card, -+ struct spi_device *spi) -+{ -+ static struct snd_device_ops ops = { -+ .dev_free = snd_at73c213_dev_free, -+ }; -+ struct snd_at73c213 *chip = get_chip(card); -+ int irq, retval; -+ -+ irq = ssc_to_irq(chip->ssc); -+ if (irq < 0) -+ return irq; -+ -+ spin_lock_init(&chip->lock); -+ chip->card = card; -+ chip->irq = -1; -+ -+ retval = -ENOMEM; -+ -+ retval = spi_setup(chip->spi); -+ if (retval) -+ goto cleanup; -+ -+ retval = request_irq(irq, snd_at73c213_interrupt, 0, "at73c213", chip); -+ if (retval) { -+ snd_printk("unable to request irq %d\n", irq); -+ goto cleanup; -+ } -+ chip->irq = irq; -+ -+ memcpy(&chip->image, &snd_at73c213_original_image, -+ sizeof(snd_at73c213_original_image)); -+ -+ retval = snd_at73c213_chip_init(chip); -+ if (retval) -+ goto cleanup; -+ -+ retval = snd_at73c213_pcm_new(chip, 0); -+ if (retval) -+ goto cleanup; -+ -+ retval = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); -+ if (retval) -+ goto cleanup; -+ -+ retval = snd_at73c213_mixer(chip); -+ if (retval) -+ goto cleanup; -+ -+ snd_card_set_dev(card, &spi->dev); -+ -+ return retval; -+ -+cleanup: -+ if (!list_empty(&card->devices)) -+ snd_device_free(card, chip); -+ if (chip->pcm) -+ dev_dbg(&spi->dev, "FIXME: howto free pcm?\n"); -+ if (chip->irq >= 0) { -+ free_irq(chip->irq, chip); -+ chip->irq = -1; -+ } -+ return retval; -+} -+ -+static int snd_at73c213_probe(struct spi_device *spi) -+{ -+ struct at73c213_board_info *info; -+ struct clk *dac_clk; -+ struct snd_card *card; -+ struct snd_at73c213 *chip; -+ int retval; -+ char id[16]; -+ -+ info = spi->dev.platform_data; -+ if (!info) { -+ dev_dbg(&spi->dev, "no platform_data\n"); -+ return -ENXIO; -+ } -+ -+ dac_clk = clk_get(NULL, info->dac_clk); -+ if (IS_ERR(dac_clk)) { -+ dev_dbg(&spi->dev, "unable to get DAC clk '%s'\n", -+ info->dac_clk); -+ return (PTR_ERR(dac_clk)); -+ } -+ -+ retval = -ENOMEM; -+ -+ /* allocate "card" using some unused identifiers */ -+ snprintf(id, sizeof id, "at73c213_%d", info->i2s_dev); -+ card = snd_card_new(-1, id, THIS_MODULE, sizeof(struct snd_at73c213)); -+ if (!card) -+ goto cleanup_card; -+ -+ chip = card->private_data; -+ chip->spi = spi; -+ chip->info = info; -+ chip->dac_clk = dac_clk; -+ -+ chip->ssc = ssc_request(info->i2s_dev); -+ if (IS_ERR(chip->ssc)) { -+ dev_dbg(&spi->dev, "could not get ssc%d device\n", -+ info->i2s_dev); -+ retval = (PTR_ERR(chip->ssc)); -+ goto cleanup; -+ } -+ -+ retval = snd_at73c213_init(card, spi); -+ if (retval) -+ goto cleanup; -+ -+ strcpy(card->driver, "at73c213"); -+ strcpy(card->shortname, info->shortname); -+ sprintf(card->longname, "%s on irq %d", card->shortname, chip->irq); -+ -+ retval = snd_card_register(card); -+ if (retval) -+ goto cleanup; -+ -+ dev_set_drvdata(&spi->dev, card); -+ return 0; -+ -+cleanup: -+ if (IS_ERR(chip->ssc)) -+ ssc_free(chip->ssc); -+ if (card) -+ snd_card_free(card); -+cleanup_card: -+ if (dac_clk) -+ clk_put(dac_clk); -+ return retval; -+} -+ -+static int __devexit snd_at73c213_remove(struct spi_device *spi) -+{ -+ struct snd_card *card = dev_get_drvdata(&spi->dev); -+ struct snd_at73c213 *chip = card->private_data; -+ int retval; -+ -+ /* Stop playback */ -+ ssc_disable(chip->ssc, 1, 0); -+ -+ /* Mute sound */ -+ write_reg(chip, DAC_LMPG, 0x3F); -+ chip->image[DAC_LMPG] = 0x3F; -+ write_reg(chip, DAC_RMPG, 0x3F); -+ chip->image[DAC_RMPG] = 0x3F; -+ write_reg(chip, DAC_LLOG, 0x3F); -+ chip->image[DAC_LLOG] = 0x3F; -+ write_reg(chip, DAC_RLOG, 0x3F); -+ chip->image[DAC_RLOG] = 0x3F; -+ write_reg(chip, DAC_LLIG, 0x11); -+ chip->image[DAC_LLIG] = 0x11; -+ write_reg(chip, DAC_RLIG, 0x11); -+ chip->image[DAC_RLIG] = 0x11; -+ write_reg(chip, DAC_AUXG, 0x11); -+ chip->image[DAC_AUXG] = 0x11; -+ -+ /* Turn off PA */ -+ write_reg(chip, PA_CTRL, (chip->image[PA_CTRL]|0x0F)); -+ chip->image[PA_CTRL] |= 0x0F; -+ msleep(10); -+ write_reg(chip, PA_CTRL, (1<<PA_CTRL_APALP)|0x0F); -+ chip->image[PA_CTRL] = (1<<PA_CTRL_APALP)|0x0F; -+ -+ /* Turn off external DAC */ -+ write_reg(chip, DAC_CTRL, 0x0C); -+ chip->image[DAC_CTRL] = 0x0C; -+ msleep(2); -+ write_reg(chip, DAC_CTRL, 0x00); -+ chip->image[DAC_CTRL] = 0x00; -+ -+ /* Turn off master power */ -+ write_reg(chip, DAC_PRECH, 0x00); -+ chip->image[DAC_PRECH] = 0x00; -+ -+ /* Stop DAC master clock */ -+ if (chip->dac_clk) { -+ clk_disable(chip->dac_clk); -+ clk_put(chip->dac_clk); -+ } -+ -+out: -+ if (card) { -+ snd_card_free(card); -+ dev_set_drvdata(&spi->dev, NULL); -+ } -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+static int snd_at73c213_suspend(struct spi_device *spi, pm_message_t msg) -+{ -+ struct snd_card *card = dev_get_drvdata(&spi->dev); -+ struct snd_at73c213 *chip = card->private_data; -+ -+ ssc_disable(chip->ssc, 1, 0); -+ clk_disable(chip->dac_clk); -+ -+ return 0; -+} -+ -+static int snd_at73c213_resume(struct spi_device *spi) -+{ -+ struct snd_card *card = dev_get_drvdata(&spi->dev); -+ struct snd_at73c213 *chip = card->private_data; -+ -+ clk_enable(chip->dac_clk); -+ ssc_enable(chip->ssc, 1, 0); -+ -+ return 0; -+} -+#endif /* CONFIG_PM */ -+ -+/* Driver core initialization */ -+static struct spi_driver at73c213_driver = { -+ .driver = { -+ .name = "at73c213", -+ }, -+ .probe = snd_at73c213_probe, -+#ifdef CONFIG_PM -+ .suspend = snd_at73c213_suspend, -+ .resume = snd_at73c213_resume, -+#endif -+ .remove = __devexit_p(snd_at73c213_remove), -+}; -+ -+static int __init at73c213_init(void) -+{ -+ return spi_register_driver(&at73c213_driver); -+} -+module_init(at73c213_init); -+ -+static void __exit at73c213_exit(void) -+{ -+ spi_unregister_driver(&at73c213_driver); -+} -+module_exit(at73c213_exit); -+ -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -+MODULE_DESCRIPTION("Sound driver for AT73C213 with Atmel SSC"); -+MODULE_LICENSE("GPL"); -diff --git a/sound/spi/at73c213.h b/sound/spi/at73c213.h -new file mode 100644 -index 0000000..fd8b372 ---- /dev/null -+++ b/sound/spi/at73c213.h -@@ -0,0 +1,119 @@ -+/* -+ * Driver for the AT73C213 16-bit stereo DAC on Atmel ATSTK1000 -+ * -+ * Copyright (C) 2006 - 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License as -+ * published by the Free Software Foundation; either version 2 of the -+ * License, or (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -+ * 02111-1307, USA. -+ * -+ * The full GNU General Public License is included in this -+ * distribution in the file called COPYING. -+ */ -+ -+#ifndef _SND_AT73C213_H -+#define _SND_AT73C213_H -+ -+/* DAC control register */ -+#define DAC_CTRL 0x00 -+#define DAC_CTRL_ONPADRV 7 -+#define DAC_CTRL_ONAUXIN 6 -+#define DAC_CTRL_ONDACR 5 -+#define DAC_CTRL_ONDACL 4 -+#define DAC_CTRL_ONLNOR 3 -+#define DAC_CTRL_ONLNOL 2 -+#define DAC_CTRL_ONLNIR 1 -+#define DAC_CTRL_ONLNIL 0 -+ -+/* DAC left line in gain register */ -+#define DAC_LLIG 0x01 -+#define DAC_LLIG_LLIG 0 -+ -+/* DAC right line in gain register */ -+#define DAC_RLIG 0x02 -+#define DAC_RLIG_RLIG 0 -+ -+/* DAC Left Master Playback Gain Register */ -+#define DAC_LMPG 0x03 -+#define DAC_LMPG_LMPG 0 -+ -+/* DAC Right Master Playback Gain Register */ -+#define DAC_RMPG 0x04 -+#define DAC_RMPG_RMPG 0 -+ -+/* DAC Left Line Out Gain Register */ -+#define DAC_LLOG 0x05 -+#define DAC_LLOG_LLOG 0 -+ -+/* DAC Right Line Out Gain Register */ -+#define DAC_RLOG 0x06 -+#define DAC_RLOG_RLOG 0 -+ -+/* DAC Output Level Control Register */ -+#define DAC_OLC 0x07 -+#define DAC_OLC_RSHORT 7 -+#define DAC_OLC_ROLC 4 -+#define DAC_OLC_LSHORT 3 -+#define DAC_OLC_LOLC 0 -+ -+/* DAC Mixer Control Register */ -+#define DAC_MC 0x08 -+#define DAC_MC_INVR 5 -+#define DAC_MC_INVL 4 -+#define DAC_MC_RMSMIN2 3 -+#define DAC_MC_RMSMIN1 2 -+#define DAC_MC_LMSMIN2 1 -+#define DAC_MC_LMSMIN1 0 -+ -+/* DAC Clock and Sampling Frequency Control Register */ -+#define DAC_CSFC 0x09 -+#define DAC_CSFC_OVRSEL 4 -+ -+/* DAC Miscellaneous Register */ -+#define DAC_MISC 0x0A -+#define DAC_MISC_VCMCAPSEL 7 -+#define DAC_MISC_DINTSEL 4 -+#define DAC_MISC_DITHEN 3 -+#define DAC_MISC_DEEMPEN 2 -+#define DAC_MISC_NBITS 0 -+ -+/* DAC Precharge Control Register */ -+#define DAC_PRECH 0x0C -+#define DAC_PRECH_PRCHGPDRV 7 -+#define DAC_PRECH_PRCHGAUX1 6 -+#define DAC_PRECH_PRCHGLNOR 5 -+#define DAC_PRECH_PRCHGLNOL 4 -+#define DAC_PRECH_PRCHGLNIR 3 -+#define DAC_PRECH_PRCHGLNIL 2 -+#define DAC_PRECH_PRCHG 1 -+#define DAC_PRECH_ONMSTR 0 -+ -+/* DAC Auxiliary Input Gain Control Register */ -+#define DAC_AUXG 0x0D -+#define DAC_AUXG_AUXG 0 -+ -+/* DAC Reset Register */ -+#define DAC_RST 0x10 -+#define DAC_RST_RESMASK 2 -+#define DAC_RST_RESFILZ 1 -+#define DAC_RST_RSTZ 0 -+ -+/* Power Amplifier Control Register */ -+#define PA_CTRL 0x11 -+#define PA_CTRL_APAON 6 -+#define PA_CTRL_APAPRECH 5 -+#define PA_CTRL_APALP 4 -+#define PA_CTRL_APAGAIN 0 -+ -+#endif /* _SND_AT73C213_H */ diff --git a/toolchain/kernel-headers/linux-2.6.22.1-003-atmel.3-avr32-updates.patch b/toolchain/kernel-headers/linux-2.6.22.1-003-atmel.3-avr32-updates.patch deleted file mode 100644 index 9da7547b3..000000000 --- a/toolchain/kernel-headers/linux-2.6.22.1-003-atmel.3-avr32-updates.patch +++ /dev/null @@ -1,14820 +0,0 @@ -diff --git a/MAINTAINERS b/MAINTAINERS -index df40a4e..3c5cfef 100644 ---- a/MAINTAINERS -+++ b/MAINTAINERS -@@ -674,6 +674,13 @@ P: Haavard Skinnemoen - M: hskinnemoen@atmel.com - S: Supported - -+ATMEL USBA UDC DRIVER -+P: Haavard Skinnemoen -+M: hskinnemoen@atmel.com -+L: kernel@avr32linux.org -+W: http://avr32linux.org/twiki/bin/view/Main/AtmelUsbDeviceDriver -+S: Supported -+ - ATMEL WIRELESS DRIVER - P: Simon Kelley - M: simon@thekelleys.org.uk -diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig -index 3ec7658..ec6c7c5 100644 ---- a/arch/avr32/Kconfig -+++ b/arch/avr32/Kconfig -@@ -113,6 +113,13 @@ config BOARD_ATNGW100 - bool "ATNGW100 Network Gateway" - endchoice - -+if BOARD_ATSTK1000 -+source "arch/avr32/boards/atstk1000/Kconfig" -+endif -+if BOARD_ATNGW100 -+source "arch/avr32/boards/atngw100/Kconfig" -+endif -+ - choice - prompt "Boot loader type" - default LOADER_U_BOOT -@@ -171,6 +178,10 @@ config OWNERSHIP_TRACE - enabling Nexus-compliant debuggers to keep track of the PID of the - currently executing task. - -+config DW_DMAC -+ tristate "Synopsys DesignWare DMA Controller support" -+ default y if CPU_AT32AP7000 -+ - # FPU emulation goes here - - source "kernel/Kconfig.hz" -@@ -185,6 +196,27 @@ config CMDLINE - - endmenu - -+menu "Power managment options" -+ -+menu "CPU Frequency scaling" -+ -+source "drivers/cpufreq/Kconfig" -+ -+config CPU_FREQ_AT32AP -+ bool "CPU frequency driver for AT32AP" -+ depends on CPU_FREQ && PLATFORM_AT32AP -+ default n -+ help -+ This enables the CPU frequency driver for AT32AP processors. -+ -+ For details, take a look in <file:Documentation/cpu-freq>. -+ -+ If in doubt, say N. -+ -+endmenu -+ -+endmenu -+ - menu "Bus options" - - config PCI -diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile -index dc6bc01..eb72198 100644 ---- a/arch/avr32/Makefile -+++ b/arch/avr32/Makefile -@@ -31,6 +31,7 @@ core-$(CONFIG_BOARD_ATNGW100) += arch/avr32/boards/atngw100/ - core-$(CONFIG_LOADER_U_BOOT) += arch/avr32/boot/u-boot/ - core-y += arch/avr32/kernel/ - core-y += arch/avr32/mm/ -+drivers-y += arch/avr32/drivers/ - libs-y += arch/avr32/lib/ - - archincdir-$(CONFIG_PLATFORM_AT32AP) := arch-at32ap -diff --git a/arch/avr32/boards/atngw100/Kconfig b/arch/avr32/boards/atngw100/Kconfig -new file mode 100644 -index 0000000..5d922df ---- /dev/null -+++ b/arch/avr32/boards/atngw100/Kconfig -@@ -0,0 +1,12 @@ -+# NGW100 customization -+ -+config BOARD_ATNGW100_I2C_GPIO -+ bool "Use GPIO for i2c instead of built-in TWI module" -+ help -+ The driver for the built-in TWI module has been plagued by -+ various problems, while the i2c-gpio driver is based on the -+ trusty old i2c-algo-bit bitbanging engine, making it work -+ on pretty much any setup. -+ -+ Choose 'Y' here if you're having i2c-related problems and -+ want to rule out the i2c bus driver. -diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c -index 6c4dc0a..d649974 100644 ---- a/arch/avr32/boards/atngw100/setup.c -+++ b/arch/avr32/boards/atngw100/setup.c -@@ -9,10 +9,12 @@ - */ - #include <linux/clk.h> - #include <linux/etherdevice.h> -+#include <linux/i2c-gpio.h> - #include <linux/init.h> - #include <linux/linkage.h> - #include <linux/platform_device.h> - #include <linux/types.h> -+#include <linux/leds.h> - #include <linux/spi/spi.h> - - #include <asm/io.h> -@@ -21,6 +23,7 @@ - #include <asm/arch/at32ap7000.h> - #include <asm/arch/board.h> - #include <asm/arch/init.h> -+#include <asm/arch/portmux.h> - - /* Initialized by bootloader-specific startup code. */ - struct tag *bootloader_tags __initdata; -@@ -39,6 +42,11 @@ static struct spi_board_info spi0_board_info[] __initdata = { - }, - }; - -+static struct mci_platform_data __initdata mci0_data = { -+ .detect_pin = GPIO_PIN_PC(25), -+ .wp_pin = GPIO_PIN_PE(0), -+}; -+ - /* - * The next two functions should go away as the boot loader is - * supposed to initialize the macb address registers with a valid -@@ -100,8 +108,46 @@ void __init setup_board(void) - at32_setup_serial_console(0); - } - -+static const struct gpio_led ngw_leds[] = { -+ { .name = "sys", .gpio = GPIO_PIN_PA(16), .active_low = 1, -+ .default_trigger = "heartbeat", -+ }, -+ { .name = "a", .gpio = GPIO_PIN_PA(19), .active_low = 1, }, -+ { .name = "b", .gpio = GPIO_PIN_PE(19), .active_low = 1, }, -+}; -+ -+static const struct gpio_led_platform_data ngw_led_data = { -+ .num_leds = ARRAY_SIZE(ngw_leds), -+ .leds = (void *) ngw_leds, -+}; -+ -+static struct platform_device ngw_gpio_leds = { -+ .name = "leds-gpio", -+ .id = -1, -+ .dev = { -+ .platform_data = (void *) &ngw_led_data, -+ } -+}; -+ -+#ifdef CONFIG_BOARD_ATNGW100_I2C_GPIO -+static struct i2c_gpio_platform_data i2c_gpio_data = { -+ .sda_pin = GPIO_PIN_PA(6), -+ .scl_pin = GPIO_PIN_PA(7), -+}; -+ -+static struct platform_device i2c_gpio_device = { -+ .name = "i2c-gpio", -+ .id = 0, -+ .dev = { -+ .platform_data = &i2c_gpio_data, -+ }, -+}; -+#endif -+ - static int __init atngw100_init(void) - { -+ unsigned i; -+ - /* - * ATNGW100 uses 16-bit SDRAM interface, so we don't need to - * reserve any pins for it. -@@ -115,6 +161,22 @@ static int __init atngw100_init(void) - set_hw_addr(at32_add_device_eth(1, ð_data[1])); - - at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info)); -+ at32_add_device_mci(0, &mci0_data); -+ at32_add_device_usba(0, NULL); -+ -+ for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) { -+ at32_select_gpio(ngw_leds[i].gpio, -+ AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH); -+ } -+ platform_device_register(&ngw_gpio_leds); -+ -+#ifdef CONFIG_BOARD_ATNGW100_I2C_GPIO -+ at32_select_gpio(i2c_gpio_data.sda_pin, 0); -+ at32_select_gpio(i2c_gpio_data.scl_pin, 0); -+ platform_device_register(&i2c_gpio_device); -+#else -+ at32_add_device_twi(0); -+#endif - - return 0; - } -diff --git a/arch/avr32/boards/atstk1000/Kconfig b/arch/avr32/boards/atstk1000/Kconfig -new file mode 100644 -index 0000000..718578f ---- /dev/null -+++ b/arch/avr32/boards/atstk1000/Kconfig -@@ -0,0 +1,79 @@ -+# STK1000 customization -+ -+if BOARD_ATSTK1002 -+ -+config BOARD_ATSTK1002_CUSTOM -+ bool "Non-default STK-1002 jumper settings" -+ help -+ You will normally leave the jumpers on the CPU card at their -+ default settings. If you need to use certain peripherals, -+ you will need to change some of those jumpers. -+ -+if BOARD_ATSTK1002_CUSTOM -+ -+config BOARD_ATSTK1002_SW1_CUSTOM -+ bool "SW1: use SSC1 (not SPI0)" -+ help -+ This also prevents using the external DAC as an audio interface, -+ and means you can't initialize the on-board QVGA display. -+ -+config BOARD_ATSTK1002_SW2_CUSTOM -+ bool "SW2: use IRDA or TIMER0 (not UART-A, MMC/SD, and PS2-A)" -+ help -+ If you change this you'll want an updated boot loader putting -+ the console on UART-C not UART-A. -+ -+config BOARD_ATSTK1002_SW3_CUSTOM -+ bool "SW3: use TIMER1 (not SSC0 and GCLK)" -+ help -+ This also prevents using the external DAC as an audio interface. -+ -+config BOARD_ATSTK1002_SW4_CUSTOM -+ bool "SW4: use ISI/Camera (not GPIOs, SPI1, and PS2-B)" -+ help -+ To use the camera interface you'll need a custom card (on the -+ PCI-format connector) connect a video sensor. -+ -+config BOARD_ATSTK1002_SW5_CUSTOM -+ bool "SW5: use MACB1 (not LCDC)" -+ -+config BOARD_ATSTK1002_SW6_CUSTOM -+ bool "SW6: more GPIOs (not MACB0)" -+ -+endif # custom -+ -+config BOARD_ATSTK1002_SPI1 -+ bool "Configure SPI1 controller" -+ depends on !BOARD_ATSTK1002_SW4_CUSTOM -+ help -+ All the signals for the second SPI controller are available on -+ GPIO lines and accessed through the J1 jumper block. Say "y" -+ here to configure that SPI controller. -+ -+config BOARD_ATSTK1002_J2_LED -+ bool -+ default BOARD_ATSTK1002_J2_LED8 || BOARD_ATSTK1002_J2_RGB -+ -+choice -+ prompt "LEDs connected to J2:" -+ depends on LEDS_GPIO && !BOARD_ATSTK1002_SW4_CUSTOM -+ optional -+ help -+ Select this if you have jumpered the J2 jumper block to the -+ LED0..LED7 amber leds, or to the RGB leds, using a ten-pin -+ IDC cable. A default "heartbeat" trigger is provided, but -+ you can of course override this. -+ -+config BOARD_ATSTK1002_J2_LED8 -+ bool "LED0..LED7" -+ help -+ Select this if J2 is jumpered to LED0..LED7 amber leds. -+ -+config BOARD_ATSTK1002_J2_RGB -+ bool "RGB leds" -+ help -+ Select this if J2 is jumpered to the RGB leds. -+ -+endchoice -+ -+endif # stk 1002 -diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c -index e253e86..c958fd4 100644 ---- a/arch/avr32/boards/atstk1000/atstk1002.c -+++ b/arch/avr32/boards/atstk1000/atstk1002.c -@@ -11,10 +11,12 @@ - #include <linux/etherdevice.h> - #include <linux/init.h> - #include <linux/kernel.h> -+#include <linux/leds.h> - #include <linux/platform_device.h> - #include <linux/string.h> - #include <linux/types.h> - #include <linux/spi/spi.h> -+#include <linux/spi/at73c213.h> - - #include <video/atmel_lcdc.h> - -@@ -27,16 +29,47 @@ - - #include "atstk1000.h" - --#define SW2_DEFAULT /* MMCI and UART_A available */ - - struct eth_addr { - u8 addr[6]; - }; - - static struct eth_addr __initdata hw_addr[2]; --static struct eth_platform_data __initdata eth_data[2]; -+static struct eth_platform_data __initdata eth_data[2] = { -+ { -+ /* -+ * The MDIO pullups on STK1000 are a bit too weak for -+ * the autodetection to work properly, so we have to -+ * mask out everything but the correct address. -+ */ -+ .phy_mask = ~(1U << 16), -+ }, -+ { -+ .phy_mask = ~(1U << 17), -+ }, -+}; -+ -+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM -+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM -+static struct at73c213_board_info at73c213_data = { -+ .ssc_id = 0, -+ .shortname = "AVR32 STK1000 external DAC", -+}; -+#endif -+#endif - -+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM - static struct spi_board_info spi0_board_info[] __initdata = { -+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM -+ { -+ /* AT73C213 */ -+ .modalias = "at73c213", -+ .max_speed_hz = 200000, -+ .chip_select = 0, -+ .mode = SPI_MODE_1, -+ .platform_data = &at73c213_data, -+ }, -+#endif - { - /* QVGA display */ - .modalias = "ltv350qv", -@@ -45,6 +78,18 @@ static struct spi_board_info spi0_board_info[] __initdata = { - .mode = SPI_MODE_3, - }, - }; -+#endif -+ -+#ifdef CONFIG_BOARD_ATSTK1002_SPI1 -+static struct spi_board_info spi1_board_info[] __initdata = { { -+ /* patch in custom entries here */ -+} }; -+#endif -+ -+static struct mci_platform_data __initdata mci0_data = { -+ .detect_pin = GPIO_PIN_NONE, -+ .wp_pin = GPIO_PIN_NONE, -+}; - - /* - * The next two functions should go away as the boot loader is -@@ -101,12 +146,103 @@ static void __init set_hw_addr(struct platform_device *pdev) - clk_put(pclk); - } - --void __init setup_board(void) -+#ifdef CONFIG_BOARD_ATSTK1002_J2_LED -+ -+static struct gpio_led stk_j2_led[] = { -+#ifdef CONFIG_BOARD_ATSTK1002_J2_LED8 -+#define LEDSTRING "J2 jumpered to LED8" -+ { .name = "led0:amber", .gpio = GPIO_PIN_PB( 8), }, -+ { .name = "led1:amber", .gpio = GPIO_PIN_PB( 9), }, -+ { .name = "led2:amber", .gpio = GPIO_PIN_PB(10), }, -+ { .name = "led3:amber", .gpio = GPIO_PIN_PB(13), }, -+ { .name = "led4:amber", .gpio = GPIO_PIN_PB(14), }, -+ { .name = "led5:amber", .gpio = GPIO_PIN_PB(15), }, -+ { .name = "led6:amber", .gpio = GPIO_PIN_PB(16), }, -+ { .name = "led7:amber", .gpio = GPIO_PIN_PB(30), -+ .default_trigger = "heartbeat", }, -+#else /* RGB */ -+#define LEDSTRING "J2 jumpered to RGB LEDs" -+ { .name = "r1:red", .gpio = GPIO_PIN_PB( 8), }, -+ { .name = "g1:green", .gpio = GPIO_PIN_PB(10), }, -+ { .name = "b1:blue", .gpio = GPIO_PIN_PB(14), }, -+ -+ { .name = "r2:red", .gpio = GPIO_PIN_PB( 9), -+ .default_trigger = "heartbeat", }, -+ { .name = "g2:green", .gpio = GPIO_PIN_PB(13), }, -+ { .name = "b2:blue", .gpio = GPIO_PIN_PB(15), -+ .default_trigger = "heartbeat", }, -+ /* PB16, PB30 unused */ -+#endif -+}; -+ -+static struct gpio_led_platform_data stk_j2_led_data = { -+ .num_leds = ARRAY_SIZE(stk_j2_led), -+ .leds = stk_j2_led, -+}; -+ -+static struct platform_device stk_j2_led_dev = { -+ .name = "leds-gpio", -+ .id = 2, /* gpio block J2 */ -+ .dev = { -+ .platform_data = &stk_j2_led_data, -+ }, -+}; -+ -+static void setup_j2_leds(void) - { --#ifdef SW2_DEFAULT -- at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */ -+ unsigned i; -+ -+ for (i = 0; i < ARRAY_SIZE(stk_j2_led); i++) -+ at32_select_gpio(stk_j2_led[i].gpio, AT32_GPIOF_OUTPUT); -+ -+ printk("STK1002: " LEDSTRING "\n"); -+ platform_device_register(&stk_j2_led_dev); -+} -+ - #else -+static void setup_j2_leds(void) -+{ -+} -+#endif -+ -+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM -+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM -+static void __init at73c213_set_clk(struct at73c213_board_info *info) -+{ -+ struct clk *gclk; -+ struct clk *pll; -+ -+ gclk = clk_get(NULL, "gclk0"); -+ if (IS_ERR(gclk)) -+ goto err_gclk; -+ pll = clk_get(NULL, "pll0"); -+ if (IS_ERR(pll)) -+ goto err_pll; -+ -+ if (clk_set_parent(gclk, pll)) { -+ pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n"); -+ goto err_set_clk; -+ } -+ -+ at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0); -+ info->dac_clk = gclk; -+ -+err_set_clk: -+ clk_put(pll); -+err_pll: -+ clk_put(gclk); -+err_gclk: -+ return; -+} -+#endif -+#endif -+ -+void __init setup_board(void) -+{ -+#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM - at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */ -+#else -+ at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */ - #endif - /* USART 2/unused: expansion connector */ - at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */ -@@ -140,18 +276,46 @@ static int __init atstk1002_init(void) - - at32_add_system_devices(); - --#ifdef SW2_DEFAULT -- at32_add_device_usart(0); --#else -+#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM - at32_add_device_usart(1); -+#else -+ at32_add_device_usart(0); - #endif - at32_add_device_usart(2); - -+#ifndef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM - set_hw_addr(at32_add_device_eth(0, ð_data[0])); -- -- at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info)); -+#endif -+#ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM -+ set_hw_addr(at32_add_device_eth(1, ð_data[1])); -+#else - at32_add_device_lcdc(0, &atstk1000_lcdc_data, - fbmem_start, fbmem_size); -+#endif -+ -+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM -+ at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info)); -+#endif -+#ifdef CONFIG_BOARD_ATSTK1002_SPI1 -+ at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info)); -+#endif -+ at32_add_device_twi(0); -+#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM -+ at32_add_device_mci(0, &mci0_data); -+#endif -+ at32_add_device_usba(0, NULL); -+ at32_add_device_abdac(0); -+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM -+ at32_add_device_ssc(0, ATMEL_SSC_TX); -+#endif -+ -+ setup_j2_leds(); -+ -+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM -+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM -+ at73c213_set_clk(&at73c213_data); -+#endif -+#endif - - return 0; - } -diff --git a/arch/avr32/configs/atngw100_defconfig b/arch/avr32/configs/atngw100_defconfig -index 49493ad..adce168 100644 ---- a/arch/avr32/configs/atngw100_defconfig -+++ b/arch/avr32/configs/atngw100_defconfig -@@ -1,7 +1,7 @@ - # - # Automatically generated make config: don't edit --# Linux kernel version: 2.6.22-rc5 --# Sat Jun 23 15:40:05 2007 -+# Linux kernel version: 2.6.22.atmel.1 -+# Thu Jul 12 17:49:20 2007 - # - CONFIG_AVR32=y - CONFIG_GENERIC_GPIO=y -@@ -114,6 +114,7 @@ CONFIG_PLATFORM_AT32AP=y - CONFIG_CPU_AT32AP7000=y - # CONFIG_BOARD_ATSTK1000 is not set - CONFIG_BOARD_ATNGW100=y -+# CONFIG_BOARD_ATNGW100_I2C_GPIO is not set - CONFIG_LOADER_U_BOOT=y - - # -@@ -122,6 +123,7 @@ CONFIG_LOADER_U_BOOT=y - # CONFIG_AP7000_32_BIT_SMC is not set - CONFIG_AP7000_16_BIT_SMC=y - # CONFIG_AP7000_8_BIT_SMC is not set -+CONFIG_GPIO_DEV=y - CONFIG_LOAD_ADDRESS=0x10000000 - CONFIG_ENTRY_ADDRESS=0x90000000 - CONFIG_PHYS_OFFSET=0x10000000 -@@ -145,6 +147,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4 - # CONFIG_RESOURCES_64BIT is not set - CONFIG_ZONE_DMA_FLAG=0 - # CONFIG_OWNERSHIP_TRACE is not set -+CONFIG_DW_DMAC=y - # CONFIG_HZ_100 is not set - CONFIG_HZ_250=y - # CONFIG_HZ_300 is not set -@@ -153,6 +156,27 @@ CONFIG_HZ=250 - CONFIG_CMDLINE="" - - # -+# Power managment options -+# -+ -+# -+# CPU Frequency scaling -+# -+CONFIG_CPU_FREQ=y -+CONFIG_CPU_FREQ_TABLE=y -+# CONFIG_CPU_FREQ_DEBUG is not set -+CONFIG_CPU_FREQ_STAT=m -+# CONFIG_CPU_FREQ_STAT_DETAILS is not set -+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y -+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set -+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y -+CONFIG_CPU_FREQ_GOV_POWERSAVE=y -+CONFIG_CPU_FREQ_GOV_USERSPACE=y -+CONFIG_CPU_FREQ_GOV_ONDEMAND=y -+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set -+CONFIG_CPU_FREQ_AT32AP=y -+ -+# - # Bus options - # - # CONFIG_ARCH_SUPPORTS_MSI is not set -@@ -187,13 +211,8 @@ CONFIG_NET_KEY=y - # CONFIG_NET_KEY_MIGRATE is not set - CONFIG_INET=y - CONFIG_IP_MULTICAST=y --CONFIG_IP_ADVANCED_ROUTER=y --CONFIG_ASK_IP_FIB_HASH=y --# CONFIG_IP_FIB_TRIE is not set -+# CONFIG_IP_ADVANCED_ROUTER is not set - CONFIG_IP_FIB_HASH=y --# CONFIG_IP_MULTIPLE_TABLES is not set --# CONFIG_IP_ROUTE_MULTIPATH is not set --# CONFIG_IP_ROUTE_VERBOSE is not set - CONFIG_IP_PNP=y - CONFIG_IP_PNP_DHCP=y - # CONFIG_IP_PNP_BOOTP is not set -@@ -240,6 +259,7 @@ CONFIG_IPV6_SIT=y - # CONFIG_NETWORK_SECMARK is not set - CONFIG_NETFILTER=y - # CONFIG_NETFILTER_DEBUG is not set -+CONFIG_BRIDGE_NETFILTER=y - - # - # Core Netfilter Configuration -@@ -284,6 +304,7 @@ CONFIG_NETFILTER_XT_MATCH_MAC=m - CONFIG_NETFILTER_XT_MATCH_MARK=m - CONFIG_NETFILTER_XT_MATCH_POLICY=m - CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m -+# CONFIG_NETFILTER_XT_MATCH_PHYSDEV is not set - CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m - CONFIG_NETFILTER_XT_MATCH_QUOTA=m - CONFIG_NETFILTER_XT_MATCH_REALM=m -@@ -359,13 +380,19 @@ CONFIG_IP6_NF_TARGET_REJECT=m - CONFIG_IP6_NF_MANGLE=m - CONFIG_IP6_NF_TARGET_HL=m - CONFIG_IP6_NF_RAW=m -+ -+# -+# Bridge: Netfilter Configuration -+# -+# CONFIG_BRIDGE_NF_EBTABLES is not set - # CONFIG_IP_DCCP is not set - # CONFIG_IP_SCTP is not set - # CONFIG_TIPC is not set - # CONFIG_ATM is not set --# CONFIG_BRIDGE is not set -+CONFIG_BRIDGE=m - CONFIG_VLAN_8021Q=m - # CONFIG_DECNET is not set -+CONFIG_LLC=m - # CONFIG_LLC2 is not set - # CONFIG_IPX is not set - # CONFIG_ATALK is not set -@@ -521,7 +548,6 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 - # - # Misc devices - # --# CONFIG_BLINK is not set - # CONFIG_IDE is not set - - # -@@ -545,13 +571,26 @@ CONFIG_NETDEVICES=y - # CONFIG_BONDING is not set - # CONFIG_EQUALIZER is not set - CONFIG_TUN=m --# CONFIG_PHYLIB is not set -+CONFIG_PHYLIB=y -+ -+# -+# MII PHY device drivers -+# -+# CONFIG_MARVELL_PHY is not set -+# CONFIG_DAVICOM_PHY is not set -+# CONFIG_QSEMI_PHY is not set -+# CONFIG_LXT_PHY is not set -+# CONFIG_CICADA_PHY is not set -+# CONFIG_VITESSE_PHY is not set -+# CONFIG_SMSC_PHY is not set -+# CONFIG_BROADCOM_PHY is not set -+# CONFIG_FIXED_PHY is not set - - # - # Ethernet (10 or 100Mbit) - # - CONFIG_NET_ETHERNET=y --CONFIG_MII=y -+# CONFIG_MII is not set - CONFIG_MACB=y - # CONFIG_NETDEV_1000 is not set - # CONFIG_NETDEV_10000 is not set -@@ -625,7 +664,15 @@ CONFIG_UNIX98_PTYS=y - # IPMI - # - # CONFIG_IPMI_HANDLER is not set --# CONFIG_WATCHDOG is not set -+CONFIG_WATCHDOG=y -+# CONFIG_WATCHDOG_NOWAYOUT is not set -+ -+# -+# Watchdog Device Drivers -+# -+# CONFIG_SOFT_WATCHDOG is not set -+CONFIG_AT32AP700X_WDT=y -+CONFIG_AT32AP700X_WDT_TIMEOUT=2 - # CONFIG_HW_RANDOM is not set - # CONFIG_RTC is not set - # CONFIG_GEN_RTC is not set -@@ -636,7 +683,42 @@ CONFIG_UNIX98_PTYS=y - # TPM devices - # - # CONFIG_TCG_TPM is not set --# CONFIG_I2C is not set -+CONFIG_I2C=m -+CONFIG_I2C_BOARDINFO=y -+CONFIG_I2C_CHARDEV=m -+ -+# -+# I2C Algorithms -+# -+CONFIG_I2C_ALGOBIT=m -+# CONFIG_I2C_ALGOPCF is not set -+# CONFIG_I2C_ALGOPCA is not set -+ -+# -+# I2C Hardware Bus support -+# -+CONFIG_I2C_ATMELTWI=m -+CONFIG_I2C_ATMELTWI_BAUDRATE=100000 -+CONFIG_I2C_GPIO=m -+# CONFIG_I2C_OCORES is not set -+# CONFIG_I2C_PARPORT_LIGHT is not set -+# CONFIG_I2C_SIMTEC is not set -+# CONFIG_I2C_STUB is not set -+ -+# -+# Miscellaneous I2C Chip support -+# -+# CONFIG_SENSORS_DS1337 is not set -+# CONFIG_SENSORS_DS1374 is not set -+# CONFIG_SENSORS_EEPROM is not set -+# CONFIG_SENSORS_PCF8574 is not set -+# CONFIG_SENSORS_PCA9539 is not set -+# CONFIG_SENSORS_PCF8591 is not set -+# CONFIG_SENSORS_MAX6875 is not set -+# CONFIG_I2C_DEBUG_CORE is not set -+# CONFIG_I2C_DEBUG_ALGO is not set -+# CONFIG_I2C_DEBUG_BUS is not set -+# CONFIG_I2C_DEBUG_CHIP is not set - - # - # SPI support -@@ -655,7 +737,7 @@ CONFIG_SPI_ATMEL=y - # SPI Protocol Masters - # - # CONFIG_SPI_AT25 is not set --# CONFIG_SPI_SPIDEV is not set -+CONFIG_SPI_SPIDEV=m - - # - # Dallas's 1-wire bus -@@ -706,21 +788,59 @@ CONFIG_SPI_ATMEL=y - # - # USB Gadget Support - # --# CONFIG_USB_GADGET is not set --# CONFIG_MMC is not set -+CONFIG_USB_GADGET=y -+# CONFIG_USB_GADGET_DEBUG_FILES is not set -+CONFIG_USB_GADGET_SELECTED=y -+# CONFIG_USB_GADGET_FSL_USB2 is not set -+# CONFIG_USB_GADGET_NET2280 is not set -+# CONFIG_USB_GADGET_PXA2XX is not set -+# CONFIG_USB_GADGET_GOKU is not set -+# CONFIG_USB_GADGET_LH7A40X is not set -+CONFIG_USB_GADGET_ATMEL_USBA=y -+CONFIG_USB_ATMEL_USBA=y -+# CONFIG_USB_GADGET_OMAP is not set -+# CONFIG_USB_GADGET_AT91 is not set -+# CONFIG_USB_GADGET_DUMMY_HCD is not set -+CONFIG_USB_GADGET_DUALSPEED=y -+CONFIG_USB_ZERO=m -+CONFIG_USB_ETH=m -+CONFIG_USB_ETH_RNDIS=y -+CONFIG_USB_GADGETFS=m -+CONFIG_USB_FILE_STORAGE=m -+# CONFIG_USB_FILE_STORAGE_TEST is not set -+CONFIG_USB_G_SERIAL=m -+# CONFIG_USB_MIDI_GADGET is not set -+CONFIG_MMC=y -+# CONFIG_MMC_DEBUG is not set -+# CONFIG_MMC_UNSAFE_RESUME is not set -+ -+# -+# MMC/SD Card Drivers -+# -+CONFIG_MMC_BLOCK=y -+ -+# -+# MMC/SD Host Controller Drivers -+# -+CONFIG_MMC_ATMELMCI=y - - # - # LED devices - # --# CONFIG_NEW_LEDS is not set -+CONFIG_NEW_LEDS=y -+CONFIG_LEDS_CLASS=y - - # - # LED drivers - # -+CONFIG_LEDS_GPIO=y - - # - # LED Triggers - # -+CONFIG_LEDS_TRIGGERS=y -+CONFIG_LEDS_TRIGGER_TIMER=y -+CONFIG_LEDS_TRIGGER_HEARTBEAT=y - - # - # InfiniBand support -@@ -733,7 +853,51 @@ CONFIG_SPI_ATMEL=y - # - # Real Time Clock - # --# CONFIG_RTC_CLASS is not set -+CONFIG_RTC_LIB=y -+CONFIG_RTC_CLASS=y -+CONFIG_RTC_HCTOSYS=y -+CONFIG_RTC_HCTOSYS_DEVICE="rtc0" -+# CONFIG_RTC_DEBUG is not set -+ -+# -+# RTC interfaces -+# -+CONFIG_RTC_INTF_SYSFS=y -+CONFIG_RTC_INTF_PROC=y -+CONFIG_RTC_INTF_DEV=y -+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set -+# CONFIG_RTC_DRV_TEST is not set -+ -+# -+# I2C RTC drivers -+# -+# CONFIG_RTC_DRV_DS1307 is not set -+# CONFIG_RTC_DRV_DS1672 is not set -+# CONFIG_RTC_DRV_MAX6900 is not set -+# CONFIG_RTC_DRV_RS5C372 is not set -+# CONFIG_RTC_DRV_ISL1208 is not set -+# CONFIG_RTC_DRV_X1205 is not set -+# CONFIG_RTC_DRV_PCF8563 is not set -+# CONFIG_RTC_DRV_PCF8583 is not set -+ -+# -+# SPI RTC drivers -+# -+# CONFIG_RTC_DRV_RS5C348 is not set -+# CONFIG_RTC_DRV_MAX6902 is not set -+ -+# -+# Platform RTC drivers -+# -+# CONFIG_RTC_DRV_DS1553 is not set -+# CONFIG_RTC_DRV_DS1742 is not set -+# CONFIG_RTC_DRV_M48T86 is not set -+# CONFIG_RTC_DRV_V3020 is not set -+ -+# -+# on-CPU RTC drivers -+# -+CONFIG_RTC_DRV_AT32AP700X=y - - # - # DMA Engine support -@@ -767,7 +931,8 @@ CONFIG_JBD=y - # CONFIG_OCFS2_FS is not set - # CONFIG_MINIX_FS is not set - # CONFIG_ROMFS_FS is not set --# CONFIG_INOTIFY is not set -+CONFIG_INOTIFY=y -+CONFIG_INOTIFY_USER=y - # CONFIG_QUOTA is not set - # CONFIG_DNOTIFY is not set - # CONFIG_AUTOFS_FS is not set -@@ -922,7 +1087,7 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y - CONFIG_ENABLE_MUST_CHECK=y - CONFIG_MAGIC_SYSRQ=y - # CONFIG_UNUSED_SYMBOLS is not set --# CONFIG_DEBUG_FS is not set -+CONFIG_DEBUG_FS=y - # CONFIG_HEADERS_CHECK is not set - CONFIG_DEBUG_KERNEL=y - # CONFIG_DEBUG_SHIRQ is not set -diff --git a/arch/avr32/configs/atstk1002_defconfig b/arch/avr32/configs/atstk1002_defconfig -index 3b977fd..3708066 100644 ---- a/arch/avr32/configs/atstk1002_defconfig -+++ b/arch/avr32/configs/atstk1002_defconfig -@@ -1,7 +1,7 @@ - # - # Automatically generated make config: don't edit --# Linux kernel version: 2.6.22-rc5 --# Sat Jun 23 15:32:08 2007 -+# Linux kernel version: 2.6.22.atmel.2 -+# Thu Jul 19 13:46:47 2007 - # - CONFIG_AVR32=y - CONFIG_GENERIC_GPIO=y -@@ -80,10 +80,10 @@ CONFIG_BASE_SMALL=1 - # - CONFIG_MODULES=y - CONFIG_MODULE_UNLOAD=y --# CONFIG_MODULE_FORCE_UNLOAD is not set -+CONFIG_MODULE_FORCE_UNLOAD=y - # CONFIG_MODVERSIONS is not set - # CONFIG_MODULE_SRCVERSION_ALL is not set --# CONFIG_KMOD is not set -+CONFIG_KMOD=y - - # - # Block layer -@@ -99,12 +99,12 @@ CONFIG_BLOCK=y - CONFIG_IOSCHED_NOOP=y - # CONFIG_IOSCHED_AS is not set - # CONFIG_IOSCHED_DEADLINE is not set --# CONFIG_IOSCHED_CFQ is not set -+CONFIG_IOSCHED_CFQ=y - # CONFIG_DEFAULT_AS is not set - # CONFIG_DEFAULT_DEADLINE is not set --# CONFIG_DEFAULT_CFQ is not set --CONFIG_DEFAULT_NOOP=y --CONFIG_DEFAULT_IOSCHED="noop" -+CONFIG_DEFAULT_CFQ=y -+# CONFIG_DEFAULT_NOOP is not set -+CONFIG_DEFAULT_IOSCHED="cfq" - - # - # System Type and features -@@ -117,6 +117,11 @@ CONFIG_CPU_AT32AP7000=y - CONFIG_BOARD_ATSTK1002=y - CONFIG_BOARD_ATSTK1000=y - # CONFIG_BOARD_ATNGW100 is not set -+# CONFIG_BOARD_ATSTK1002_CUSTOM is not set -+# CONFIG_BOARD_ATSTK1002_SPI1 is not set -+# CONFIG_BOARD_ATSTK1002_J2_LED is not set -+# CONFIG_BOARD_ATSTK1002_J2_LED8 is not set -+# CONFIG_BOARD_ATSTK1002_J2_RGB is not set - CONFIG_LOADER_U_BOOT=y - - # -@@ -125,6 +130,7 @@ CONFIG_LOADER_U_BOOT=y - # CONFIG_AP7000_32_BIT_SMC is not set - CONFIG_AP7000_16_BIT_SMC=y - # CONFIG_AP7000_8_BIT_SMC is not set -+CONFIG_GPIO_DEV=y - CONFIG_LOAD_ADDRESS=0x10000000 - CONFIG_ENTRY_ADDRESS=0x90000000 - CONFIG_PHYS_OFFSET=0x10000000 -@@ -148,6 +154,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4 - # CONFIG_RESOURCES_64BIT is not set - CONFIG_ZONE_DMA_FLAG=0 - # CONFIG_OWNERSHIP_TRACE is not set -+CONFIG_DW_DMAC=y - # CONFIG_HZ_100 is not set - CONFIG_HZ_250=y - # CONFIG_HZ_300 is not set -@@ -156,6 +163,27 @@ CONFIG_HZ=250 - CONFIG_CMDLINE="" - - # -+# Power managment options -+# -+ -+# -+# CPU Frequency scaling -+# -+CONFIG_CPU_FREQ=y -+CONFIG_CPU_FREQ_TABLE=y -+# CONFIG_CPU_FREQ_DEBUG is not set -+CONFIG_CPU_FREQ_STAT=m -+# CONFIG_CPU_FREQ_STAT_DETAILS is not set -+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y -+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set -+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y -+CONFIG_CPU_FREQ_GOV_POWERSAVE=y -+CONFIG_CPU_FREQ_GOV_USERSPACE=y -+CONFIG_CPU_FREQ_GOV_ONDEMAND=y -+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set -+CONFIG_CPU_FREQ_AT32AP=y -+ -+# - # Bus options - # - # CONFIG_ARCH_SUPPORTS_MSI is not set -@@ -327,6 +355,8 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 - # - # Self-contained MTD device drivers - # -+CONFIG_MTD_DATAFLASH=m -+# CONFIG_MTD_M25P80 is not set - # CONFIG_MTD_SLRAM is not set - # CONFIG_MTD_PHRAM is not set - # CONFIG_MTD_MTDRAM is not set -@@ -373,7 +403,7 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 - # - # Misc devices - # --# CONFIG_BLINK is not set -+CONFIG_ATMEL_SSC=m - # CONFIG_IDE is not set - - # -@@ -397,13 +427,26 @@ CONFIG_DUMMY=y - # CONFIG_BONDING is not set - # CONFIG_EQUALIZER is not set - CONFIG_TUN=m --# CONFIG_PHYLIB is not set -+CONFIG_PHYLIB=y -+ -+# -+# MII PHY device drivers -+# -+# CONFIG_MARVELL_PHY is not set -+# CONFIG_DAVICOM_PHY is not set -+# CONFIG_QSEMI_PHY is not set -+CONFIG_LXT_PHY=y -+# CONFIG_CICADA_PHY is not set -+# CONFIG_VITESSE_PHY is not set -+# CONFIG_SMSC_PHY is not set -+# CONFIG_BROADCOM_PHY is not set -+# CONFIG_FIXED_PHY is not set - - # - # Ethernet (10 or 100Mbit) - # - CONFIG_NET_ETHERNET=y --CONFIG_MII=y -+# CONFIG_MII is not set - CONFIG_MACB=y - # CONFIG_NETDEV_1000 is not set - # CONFIG_NETDEV_10000 is not set -@@ -443,7 +486,42 @@ CONFIG_SLHC=m - # - # Input device support - # --# CONFIG_INPUT is not set -+CONFIG_INPUT=m -+# CONFIG_INPUT_FF_MEMLESS is not set -+CONFIG_INPUT_POLLDEV=m -+ -+# -+# Userland interfaces -+# -+CONFIG_INPUT_MOUSEDEV=m -+CONFIG_INPUT_MOUSEDEV_PSAUX=y -+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 -+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 -+# CONFIG_INPUT_JOYDEV is not set -+# CONFIG_INPUT_TSDEV is not set -+# CONFIG_INPUT_EVDEV is not set -+# CONFIG_INPUT_EVBUG is not set -+ -+# -+# Input Device Drivers -+# -+CONFIG_INPUT_KEYBOARD=y -+# CONFIG_KEYBOARD_ATKBD is not set -+# CONFIG_KEYBOARD_SUNKBD is not set -+# CONFIG_KEYBOARD_LKKBD is not set -+# CONFIG_KEYBOARD_XTKBD is not set -+# CONFIG_KEYBOARD_NEWTON is not set -+# CONFIG_KEYBOARD_STOWAWAY is not set -+CONFIG_KEYBOARD_GPIO=m -+CONFIG_INPUT_MOUSE=y -+# CONFIG_MOUSE_PS2 is not set -+# CONFIG_MOUSE_SERIAL is not set -+# CONFIG_MOUSE_VSXXXAA is not set -+CONFIG_MOUSE_GPIO=m -+# CONFIG_INPUT_JOYSTICK is not set -+# CONFIG_INPUT_TABLET is not set -+# CONFIG_INPUT_TOUCHSCREEN is not set -+# CONFIG_INPUT_MISC is not set - - # - # Hardware I/O ports -@@ -477,7 +555,15 @@ CONFIG_UNIX98_PTYS=y - # IPMI - # - # CONFIG_IPMI_HANDLER is not set --# CONFIG_WATCHDOG is not set -+CONFIG_WATCHDOG=y -+# CONFIG_WATCHDOG_NOWAYOUT is not set -+ -+# -+# Watchdog Device Drivers -+# -+# CONFIG_SOFT_WATCHDOG is not set -+CONFIG_AT32AP700X_WDT=y -+CONFIG_AT32AP700X_WDT_TIMEOUT=2 - # CONFIG_HW_RANDOM is not set - # CONFIG_RTC is not set - # CONFIG_GEN_RTC is not set -@@ -488,13 +574,61 @@ CONFIG_UNIX98_PTYS=y - # TPM devices - # - # CONFIG_TCG_TPM is not set --# CONFIG_I2C is not set -+CONFIG_I2C=m -+CONFIG_I2C_BOARDINFO=y -+CONFIG_I2C_CHARDEV=m -+ -+# -+# I2C Algorithms -+# -+CONFIG_I2C_ALGOBIT=m -+# CONFIG_I2C_ALGOPCF is not set -+# CONFIG_I2C_ALGOPCA is not set -+ -+# -+# I2C Hardware Bus support -+# -+CONFIG_I2C_ATMELTWI=m -+CONFIG_I2C_ATMELTWI_BAUDRATE=100000 -+CONFIG_I2C_GPIO=m -+# CONFIG_I2C_OCORES is not set -+# CONFIG_I2C_PARPORT_LIGHT is not set -+# CONFIG_I2C_SIMTEC is not set -+# CONFIG_I2C_STUB is not set -+ -+# -+# Miscellaneous I2C Chip support -+# -+# CONFIG_SENSORS_DS1337 is not set -+# CONFIG_SENSORS_DS1374 is not set -+# CONFIG_SENSORS_EEPROM is not set -+# CONFIG_SENSORS_PCF8574 is not set -+# CONFIG_SENSORS_PCA9539 is not set -+# CONFIG_SENSORS_PCF8591 is not set -+# CONFIG_SENSORS_MAX6875 is not set -+# CONFIG_I2C_DEBUG_CORE is not set -+# CONFIG_I2C_DEBUG_ALGO is not set -+# CONFIG_I2C_DEBUG_BUS is not set -+# CONFIG_I2C_DEBUG_CHIP is not set - - # - # SPI support - # --# CONFIG_SPI is not set --# CONFIG_SPI_MASTER is not set -+CONFIG_SPI=y -+# CONFIG_SPI_DEBUG is not set -+CONFIG_SPI_MASTER=y -+ -+# -+# SPI Master Controller Drivers -+# -+CONFIG_SPI_ATMEL=y -+# CONFIG_SPI_BITBANG is not set -+ -+# -+# SPI Protocol Masters -+# -+# CONFIG_SPI_AT25 is not set -+CONFIG_SPI_SPIDEV=m - - # - # Dallas's 1-wire bus -@@ -517,19 +651,91 @@ CONFIG_UNIX98_PTYS=y - # - # Graphics support - # --# CONFIG_BACKLIGHT_LCD_SUPPORT is not set -+CONFIG_BACKLIGHT_LCD_SUPPORT=y -+CONFIG_LCD_CLASS_DEVICE=y -+CONFIG_LCD_LTV350QV=y -+# CONFIG_BACKLIGHT_CLASS_DEVICE is not set - - # - # Display device support - # - # CONFIG_DISPLAY_SUPPORT is not set - # CONFIG_VGASTATE is not set --# CONFIG_FB is not set -+CONFIG_FB=y -+# CONFIG_FIRMWARE_EDID is not set -+# CONFIG_FB_DDC is not set -+CONFIG_FB_CFB_FILLRECT=y -+CONFIG_FB_CFB_COPYAREA=y -+CONFIG_FB_CFB_IMAGEBLIT=y -+# CONFIG_FB_SYS_FILLRECT is not set -+# CONFIG_FB_SYS_COPYAREA is not set -+# CONFIG_FB_SYS_IMAGEBLIT is not set -+# CONFIG_FB_SYS_FOPS is not set -+CONFIG_FB_DEFERRED_IO=y -+# CONFIG_FB_SVGALIB is not set -+# CONFIG_FB_MACMODES is not set -+# CONFIG_FB_BACKLIGHT is not set -+# CONFIG_FB_MODE_HELPERS is not set -+# CONFIG_FB_TILEBLITTING is not set -+ -+# -+# Frame buffer hardware drivers -+# -+# CONFIG_FB_S1D13XXX is not set -+CONFIG_FB_ATMEL=y -+# CONFIG_FB_VIRTUAL is not set -+# CONFIG_LOGO is not set - - # - # Sound - # --# CONFIG_SOUND is not set -+CONFIG_SOUND=m -+ -+# -+# Advanced Linux Sound Architecture -+# -+CONFIG_SND=m -+CONFIG_SND_TIMER=m -+CONFIG_SND_PCM=m -+# CONFIG_SND_SEQUENCER is not set -+CONFIG_SND_OSSEMUL=y -+CONFIG_SND_MIXER_OSS=m -+CONFIG_SND_PCM_OSS=m -+CONFIG_SND_PCM_OSS_PLUGINS=y -+# CONFIG_SND_DYNAMIC_MINORS is not set -+# CONFIG_SND_SUPPORT_OLD_API is not set -+CONFIG_SND_VERBOSE_PROCFS=y -+# CONFIG_SND_VERBOSE_PRINTK is not set -+# CONFIG_SND_DEBUG is not set -+ -+# -+# Generic devices -+# -+# CONFIG_SND_DUMMY is not set -+# CONFIG_SND_MTPAV is not set -+# CONFIG_SND_SERIAL_U16550 is not set -+# CONFIG_SND_MPU401 is not set -+ -+# -+# SPI devices -+# -+CONFIG_SND_AT73C213=m -+CONFIG_SND_AT73C213_TARGET_BITRATE=48000 -+ -+# -+# System on Chip audio support -+# -+# CONFIG_SND_SOC is not set -+ -+# -+# Open Sound System -+# -+# CONFIG_SOUND_PRIME is not set -+ -+# -+# HID Devices -+# -+# CONFIG_HID is not set - - # - # USB support -@@ -545,21 +751,59 @@ CONFIG_UNIX98_PTYS=y - # - # USB Gadget Support - # --# CONFIG_USB_GADGET is not set --# CONFIG_MMC is not set -+CONFIG_USB_GADGET=y -+# CONFIG_USB_GADGET_DEBUG_FILES is not set -+CONFIG_USB_GADGET_SELECTED=y -+# CONFIG_USB_GADGET_FSL_USB2 is not set -+# CONFIG_USB_GADGET_NET2280 is not set -+# CONFIG_USB_GADGET_PXA2XX is not set -+# CONFIG_USB_GADGET_GOKU is not set -+# CONFIG_USB_GADGET_LH7A40X is not set -+CONFIG_USB_GADGET_ATMEL_USBA=y -+CONFIG_USB_ATMEL_USBA=y -+# CONFIG_USB_GADGET_OMAP is not set -+# CONFIG_USB_GADGET_AT91 is not set -+# CONFIG_USB_GADGET_DUMMY_HCD is not set -+CONFIG_USB_GADGET_DUALSPEED=y -+CONFIG_USB_ZERO=m -+CONFIG_USB_ETH=m -+CONFIG_USB_ETH_RNDIS=y -+CONFIG_USB_GADGETFS=m -+CONFIG_USB_FILE_STORAGE=m -+# CONFIG_USB_FILE_STORAGE_TEST is not set -+CONFIG_USB_G_SERIAL=m -+# CONFIG_USB_MIDI_GADGET is not set -+CONFIG_MMC=y -+# CONFIG_MMC_DEBUG is not set -+# CONFIG_MMC_UNSAFE_RESUME is not set -+ -+# -+# MMC/SD Card Drivers -+# -+CONFIG_MMC_BLOCK=y -+ -+# -+# MMC/SD Host Controller Drivers -+# -+CONFIG_MMC_ATMELMCI=y - - # - # LED devices - # --# CONFIG_NEW_LEDS is not set -+CONFIG_NEW_LEDS=y -+CONFIG_LEDS_CLASS=m - - # - # LED drivers - # -+CONFIG_LEDS_GPIO=m - - # - # LED Triggers - # -+CONFIG_LEDS_TRIGGERS=y -+CONFIG_LEDS_TRIGGER_TIMER=m -+CONFIG_LEDS_TRIGGER_HEARTBEAT=m - - # - # InfiniBand support -@@ -572,7 +816,50 @@ CONFIG_UNIX98_PTYS=y - # - # Real Time Clock - # --# CONFIG_RTC_CLASS is not set -+CONFIG_RTC_LIB=y -+CONFIG_RTC_CLASS=y -+# CONFIG_RTC_HCTOSYS is not set -+# CONFIG_RTC_DEBUG is not set -+ -+# -+# RTC interfaces -+# -+CONFIG_RTC_INTF_SYSFS=y -+CONFIG_RTC_INTF_PROC=y -+CONFIG_RTC_INTF_DEV=y -+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set -+# CONFIG_RTC_DRV_TEST is not set -+ -+# -+# I2C RTC drivers -+# -+# CONFIG_RTC_DRV_DS1307 is not set -+# CONFIG_RTC_DRV_DS1672 is not set -+# CONFIG_RTC_DRV_MAX6900 is not set -+# CONFIG_RTC_DRV_RS5C372 is not set -+# CONFIG_RTC_DRV_ISL1208 is not set -+# CONFIG_RTC_DRV_X1205 is not set -+# CONFIG_RTC_DRV_PCF8563 is not set -+# CONFIG_RTC_DRV_PCF8583 is not set -+ -+# -+# SPI RTC drivers -+# -+# CONFIG_RTC_DRV_RS5C348 is not set -+# CONFIG_RTC_DRV_MAX6902 is not set -+ -+# -+# Platform RTC drivers -+# -+# CONFIG_RTC_DRV_DS1553 is not set -+# CONFIG_RTC_DRV_DS1742 is not set -+# CONFIG_RTC_DRV_M48T86 is not set -+# CONFIG_RTC_DRV_V3020 is not set -+ -+# -+# on-CPU RTC drivers -+# -+CONFIG_RTC_DRV_AT32AP700X=y - - # - # DMA Engine support -@@ -590,11 +877,14 @@ CONFIG_UNIX98_PTYS=y - # - # File systems - # --CONFIG_EXT2_FS=m -+CONFIG_EXT2_FS=y - # CONFIG_EXT2_FS_XATTR is not set - # CONFIG_EXT2_FS_XIP is not set --# CONFIG_EXT3_FS is not set -+CONFIG_EXT3_FS=y -+# CONFIG_EXT3_FS_XATTR is not set - # CONFIG_EXT4DEV_FS is not set -+CONFIG_JBD=y -+# CONFIG_JBD_DEBUG is not set - # CONFIG_REISERFS_FS is not set - # CONFIG_JFS_FS is not set - # CONFIG_FS_POSIX_ACL is not set -@@ -609,7 +899,7 @@ CONFIG_INOTIFY_USER=y - # CONFIG_DNOTIFY is not set - # CONFIG_AUTOFS_FS is not set - # CONFIG_AUTOFS4_FS is not set --# CONFIG_FUSE_FS is not set -+CONFIG_FUSE_FS=m - - # - # CD-ROM/DVD Filesystems -@@ -638,7 +928,7 @@ CONFIG_TMPFS=y - # CONFIG_TMPFS_POSIX_ACL is not set - # CONFIG_HUGETLB_PAGE is not set - CONFIG_RAMFS=y --CONFIG_CONFIGFS_FS=m -+CONFIG_CONFIGFS_FS=y - - # - # Miscellaneous filesystems -@@ -683,8 +973,14 @@ CONFIG_SUNRPC=y - # CONFIG_SUNRPC_BIND34 is not set - # CONFIG_RPCSEC_GSS_KRB5 is not set - # CONFIG_RPCSEC_GSS_SPKM3 is not set --# CONFIG_SMB_FS is not set --# CONFIG_CIFS is not set -+CONFIG_SMB_FS=m -+# CONFIG_SMB_NLS_DEFAULT is not set -+CONFIG_CIFS=m -+# CONFIG_CIFS_STATS is not set -+# CONFIG_CIFS_WEAK_PW_HASH is not set -+# CONFIG_CIFS_XATTR is not set -+# CONFIG_CIFS_DEBUG2 is not set -+# CONFIG_CIFS_EXPERIMENTAL is not set - # CONFIG_NCP_FS is not set - # CONFIG_CODA_FS is not set - # CONFIG_AFS_FS is not set -diff --git a/arch/avr32/drivers/Makefile b/arch/avr32/drivers/Makefile -new file mode 100644 -index 0000000..b429b75 ---- /dev/null -+++ b/arch/avr32/drivers/Makefile -@@ -0,0 +1 @@ -+obj-$(CONFIG_DW_DMAC) += dw-dmac.o -diff --git a/arch/avr32/drivers/dw-dmac.c b/arch/avr32/drivers/dw-dmac.c -new file mode 100644 -index 0000000..224eb30 ---- /dev/null -+++ b/arch/avr32/drivers/dw-dmac.c -@@ -0,0 +1,761 @@ -+/* -+ * Driver for the Synopsys DesignWare DMA Controller -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/clk.h> -+#include <linux/device.h> -+#include <linux/dma-mapping.h> -+#include <linux/dmapool.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+ -+#include <asm/dma-controller.h> -+#include <asm/io.h> -+ -+#include "dw-dmac.h" -+ -+#define DMAC_NR_CHANNELS 3 -+#define DMAC_MAX_BLOCKSIZE 4095 -+ -+enum { -+ CH_STATE_FREE = 0, -+ CH_STATE_ALLOCATED, -+ CH_STATE_BUSY, -+}; -+ -+struct dw_dma_lli { -+ dma_addr_t sar; -+ dma_addr_t dar; -+ dma_addr_t llp; -+ u32 ctllo; -+ u32 ctlhi; -+ u32 sstat; -+ u32 dstat; -+}; -+ -+struct dw_dma_block { -+ struct dw_dma_lli *lli_vaddr; -+ dma_addr_t lli_dma_addr; -+}; -+ -+struct dw_dma_channel { -+ unsigned int state; -+ int is_cyclic; -+ struct dma_request_sg *req_sg; -+ struct dma_request_cyclic *req_cyclic; -+ unsigned int nr_blocks; -+ int direction; -+ struct dw_dma_block *block; -+}; -+ -+struct dw_dma_controller { -+ spinlock_t lock; -+ void * __iomem regs; -+ struct dma_pool *lli_pool; -+ struct clk *hclk; -+ struct dma_controller dma; -+ struct dw_dma_channel channel[DMAC_NR_CHANNELS]; -+}; -+#define to_dw_dmac(dmac) container_of(dmac, struct dw_dma_controller, dma) -+ -+#define dmac_writel_hi(dmac, reg, value) \ -+ __raw_writel((value), (dmac)->regs + DW_DMAC_##reg + 4) -+#define dmac_readl_hi(dmac, reg) \ -+ __raw_readl((dmac)->regs + DW_DMAC_##reg + 4) -+#define dmac_writel_lo(dmac, reg, value) \ -+ __raw_writel((value), (dmac)->regs + DW_DMAC_##reg) -+#define dmac_readl_lo(dmac, reg) \ -+ __raw_readl((dmac)->regs + DW_DMAC_##reg) -+#define dmac_chan_writel_hi(dmac, chan, reg, value) \ -+ __raw_writel((value), ((dmac)->regs + 0x58 * (chan) \ -+ + DW_DMAC_CHAN_##reg + 4)) -+#define dmac_chan_readl_hi(dmac, chan, reg) \ -+ __raw_readl((dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg + 4) -+#define dmac_chan_writel_lo(dmac, chan, reg, value) \ -+ __raw_writel((value), (dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg) -+#define dmac_chan_readl_lo(dmac, chan, reg) \ -+ __raw_readl((dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg) -+#define set_channel_bit(dmac, reg, chan) \ -+ dmac_writel_lo(dmac, reg, (1 << (chan)) | (1 << ((chan) + 8))) -+#define clear_channel_bit(dmac, reg, chan) \ -+ dmac_writel_lo(dmac, reg, (0 << (chan)) | (1 << ((chan) + 8))) -+ -+static int dmac_alloc_channel(struct dma_controller *_dmac) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ struct dw_dma_channel *chan; -+ unsigned long flags; -+ int i; -+ -+ spin_lock_irqsave(&dmac->lock, flags); -+ for (i = 0; i < DMAC_NR_CHANNELS; i++) -+ if (dmac->channel[i].state == CH_STATE_FREE) -+ break; -+ -+ if (i < DMAC_NR_CHANNELS) { -+ chan = &dmac->channel[i]; -+ chan->state = CH_STATE_ALLOCATED; -+ } else { -+ i = -EBUSY; -+ } -+ -+ spin_unlock_irqrestore(&dmac->lock, flags); -+ -+ return i; -+} -+ -+static void dmac_release_channel(struct dma_controller *_dmac, int channel) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ -+ BUG_ON(channel >= DMAC_NR_CHANNELS -+ || dmac->channel[channel].state != CH_STATE_ALLOCATED); -+ -+ dmac->channel[channel].state = CH_STATE_FREE; -+} -+ -+static struct dw_dma_block *allocate_blocks(struct dw_dma_controller *dmac, -+ unsigned int nr_blocks) -+{ -+ struct dw_dma_block *block; -+ void *p; -+ unsigned int i; -+ -+ block = kmalloc(nr_blocks * sizeof(*block), -+ GFP_KERNEL); -+ if (unlikely(!block)) -+ return NULL; -+ -+ for (i = 0; i < nr_blocks; i++) { -+ p = dma_pool_alloc(dmac->lli_pool, GFP_KERNEL, -+ &block[i].lli_dma_addr); -+ block[i].lli_vaddr = p; -+ if (unlikely(!p)) -+ goto fail; -+ } -+ -+ return block; -+ -+fail: -+ for (i = 0; i < nr_blocks; i++) { -+ if (!block[i].lli_vaddr) -+ break; -+ dma_pool_free(dmac->lli_pool, block[i].lli_vaddr, -+ block[i].lli_dma_addr); -+ } -+ kfree(block); -+ return NULL; -+} -+ -+static void cleanup_channel(struct dw_dma_controller *dmac, -+ struct dw_dma_channel *chan) -+{ -+ unsigned int i; -+ -+ if (chan->nr_blocks > 1) { -+ for (i = 0; i < chan->nr_blocks; i++) -+ dma_pool_free(dmac->lli_pool, chan->block[i].lli_vaddr, -+ chan->block[i].lli_dma_addr); -+ kfree(chan->block); -+ } -+ -+ chan->state = CH_STATE_ALLOCATED; -+} -+ -+static int dmac_prepare_request_sg(struct dma_controller *_dmac, -+ struct dma_request_sg *req) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ struct dw_dma_channel *chan; -+ unsigned long ctlhi, ctllo, cfghi, cfglo; -+ unsigned long block_size; -+ unsigned int nr_blocks; -+ int ret, i, direction; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&dmac->lock, flags); -+ -+ ret = -EINVAL; -+ if (req->req.channel >= DMAC_NR_CHANNELS -+ || dmac->channel[req->req.channel].state != CH_STATE_ALLOCATED -+ || req->block_size > DMAC_MAX_BLOCKSIZE) { -+ spin_unlock_irqrestore(&dmac->lock, flags); -+ return -EINVAL; -+ } -+ -+ chan = &dmac->channel[req->req.channel]; -+ chan->state = CH_STATE_BUSY; -+ chan->req_sg = req; -+ chan->is_cyclic = 0; -+ -+ /* -+ * We have marked the channel as busy, so no need to keep the -+ * lock as long as we only touch the channel-specific -+ * registers -+ */ -+ spin_unlock_irqrestore(&dmac->lock, flags); -+ -+ /* -+ * There may be limitations in the driver and/or the DMA -+ * controller that prevents us from sending a whole -+ * scatterlist item in one go. Taking this into account, -+ * calculate the number of block transfers we need to set up. -+ * -+ * FIXME: Let the peripheral driver know about the maximum -+ * block size we support. We really don't want to use a -+ * different block size than what was suggested by the -+ * peripheral. -+ * -+ * Each block will get its own Linked List Item (LLI) below. -+ */ -+ block_size = req->block_size; -+ nr_blocks = req->nr_blocks; -+ pr_debug("block_size %lu, nr_blocks %u nr_sg = %u\n", -+ block_size, nr_blocks, req->nr_sg); -+ -+ BUG_ON(nr_blocks == 0); -+ chan->nr_blocks = nr_blocks; -+ -+ ret = -EINVAL; -+ cfglo = cfghi = 0; -+ switch (req->direction) { -+ case DMA_DIR_MEM_TO_PERIPH: -+ direction = DMA_TO_DEVICE; -+ cfghi = req->periph_id << (43 - 32); -+ break; -+ -+ case DMA_DIR_PERIPH_TO_MEM: -+ direction = DMA_FROM_DEVICE; -+ cfghi = req->periph_id << (39 - 32); -+ break; -+ default: -+ goto out_unclaim_channel; -+ } -+ -+ chan->direction = direction; -+ -+ dmac_chan_writel_hi(dmac, req->req.channel, CFG, cfghi); -+ dmac_chan_writel_lo(dmac, req->req.channel, CFG, cfglo); -+ -+ ctlhi = block_size >> req->width; -+ ctllo = ((req->direction << 20) -+ // | (1 << 14) | (1 << 11) // source/dest burst trans len -+ | (req->width << 4) | (req->width << 1) -+ | (1 << 0)); // interrupt enable -+ -+ if (nr_blocks == 1) { -+ /* Only one block: No need to use block chaining */ -+ if (direction == DMA_TO_DEVICE) { -+ dmac_chan_writel_lo(dmac, req->req.channel, SAR, -+ req->sg->dma_address); -+ dmac_chan_writel_lo(dmac, req->req.channel, DAR, -+ req->data_reg); -+ ctllo |= 2 << 7; // no dst increment -+ } else { -+ dmac_chan_writel_lo(dmac, req->req.channel, SAR, -+ req->data_reg); -+ dmac_chan_writel_lo(dmac, req->req.channel, DAR, -+ req->sg->dma_address); -+ ctllo |= 2 << 9; // no src increment -+ } -+ dmac_chan_writel_lo(dmac, req->req.channel, CTL, ctllo); -+ dmac_chan_writel_hi(dmac, req->req.channel, CTL, ctlhi); -+ pr_debug("ctl hi:lo 0x%lx:%lx\n", ctlhi, ctllo); -+ } else { -+ struct dw_dma_lli *lli, *lli_prev = NULL; -+ int j = 0, offset = 0; -+ -+ ret = -ENOMEM; -+ chan->block = allocate_blocks(dmac, nr_blocks); -+ if (!chan->block) -+ goto out_unclaim_channel; -+ -+ if (direction == DMA_TO_DEVICE) -+ ctllo |= 1 << 28 | 1 << 27 | 2 << 7; -+ else -+ ctllo |= 1 << 28 | 1 << 27 | 2 << 9; -+ -+ /* -+ * Map scatterlist items to blocks. One scatterlist -+ * item may need more than one block for the reasons -+ * mentioned above. -+ */ -+ for (i = 0; i < nr_blocks; i++) { -+ lli = chan->block[i].lli_vaddr; -+ if (lli_prev) { -+ lli_prev->llp = chan->block[i].lli_dma_addr; -+ pr_debug("lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", -+ i - 1, chan->block[i - 1].lli_vaddr, -+ chan->block[i - 1].lli_dma_addr, -+ lli_prev->sar, lli_prev->dar, lli_prev->llp, -+ lli_prev->ctllo, lli_prev->ctlhi); -+ } -+ lli->llp = 0; -+ lli->ctllo = ctllo; -+ lli->ctlhi = ctlhi; -+ if (direction == DMA_TO_DEVICE) { -+ lli->sar = req->sg[j].dma_address + offset; -+ lli->dar = req->data_reg; -+ } else { -+ lli->sar = req->data_reg; -+ lli->dar = req->sg[j].dma_address + offset; -+ } -+ lli_prev = lli; -+ -+ offset += block_size; -+ if (offset > req->sg[j].length) { -+ j++; -+ offset = 0; -+ } -+ } -+ -+ pr_debug("lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", -+ i - 1, chan->block[i - 1].lli_vaddr, -+ chan->block[i - 1].lli_dma_addr, lli_prev->sar, -+ lli_prev->dar, lli_prev->llp, -+ lli_prev->ctllo, lli_prev->ctlhi); -+ -+ /* -+ * SAR, DAR and CTL are initialized from the LLI. We -+ * only have to enable the LLI bits in CTL. -+ */ -+ dmac_chan_writel_hi(dmac, req->req.channel, CTL, 0); -+ dmac_chan_writel_lo(dmac, req->req.channel, LLP, -+ chan->block[0].lli_dma_addr); -+ dmac_chan_writel_lo(dmac, req->req.channel, CTL, 1 << 28 | 1 << 27); -+ } -+ -+ set_channel_bit(dmac, MASK_XFER, req->req.channel); -+ set_channel_bit(dmac, MASK_ERROR, req->req.channel); -+ if (req->req.block_complete) -+ set_channel_bit(dmac, MASK_BLOCK, req->req.channel); -+ else -+ clear_channel_bit(dmac, MASK_BLOCK, req->req.channel); -+ -+ return 0; -+ -+out_unclaim_channel: -+ chan->state = CH_STATE_ALLOCATED; -+ return ret; -+} -+ -+static int dmac_prepare_request_cyclic(struct dma_controller *_dmac, -+ struct dma_request_cyclic *req) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ struct dw_dma_channel *chan; -+ unsigned long ctlhi, ctllo, cfghi, cfglo; -+ unsigned long block_size; -+ int ret, i, direction; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&dmac->lock, flags); -+ -+ block_size = (req->buffer_size/req->periods) >> req->width; -+ -+ ret = -EINVAL; -+ if (req->req.channel >= DMAC_NR_CHANNELS -+ || dmac->channel[req->req.channel].state != CH_STATE_ALLOCATED -+ || (req->periods == 0) -+ || block_size > DMAC_MAX_BLOCKSIZE) { -+ spin_unlock_irqrestore(&dmac->lock, flags); -+ return -EINVAL; -+ } -+ -+ chan = &dmac->channel[req->req.channel]; -+ chan->state = CH_STATE_BUSY; -+ chan->is_cyclic = 1; -+ chan->req_cyclic = req; -+ -+ /* -+ * We have marked the channel as busy, so no need to keep the -+ * lock as long as we only touch the channel-specific -+ * registers -+ */ -+ spin_unlock_irqrestore(&dmac->lock, flags); -+ -+ /* -+ Setup -+ */ -+ BUG_ON(req->buffer_size % req->periods); -+ /* printk(KERN_INFO "block_size = %lu, periods = %u\n", block_size, req->periods); */ -+ -+ chan->nr_blocks = req->periods; -+ -+ ret = -EINVAL; -+ cfglo = cfghi = 0; -+ switch (req->direction) { -+ case DMA_DIR_MEM_TO_PERIPH: -+ direction = DMA_TO_DEVICE; -+ cfghi = req->periph_id << (43 - 32); -+ break; -+ -+ case DMA_DIR_PERIPH_TO_MEM: -+ direction = DMA_FROM_DEVICE; -+ cfghi = req->periph_id << (39 - 32); -+ break; -+ default: -+ goto out_unclaim_channel; -+ } -+ -+ chan->direction = direction; -+ -+ dmac_chan_writel_hi(dmac, req->req.channel, CFG, cfghi); -+ dmac_chan_writel_lo(dmac, req->req.channel, CFG, cfglo); -+ -+ ctlhi = block_size; -+ ctllo = ((req->direction << 20) -+ | (req->width << 4) | (req->width << 1) -+ | (1 << 0)); // interrupt enable -+ -+ { -+ struct dw_dma_lli *lli = NULL, *lli_prev = NULL; -+ -+ ret = -ENOMEM; -+ chan->block = allocate_blocks(dmac, req->periods); -+ if (!chan->block) -+ goto out_unclaim_channel; -+ -+ if (direction == DMA_TO_DEVICE) -+ ctllo |= 1 << 28 | 1 << 27 | 2 << 7; -+ else -+ ctllo |= 1 << 28 | 1 << 27 | 2 << 9; -+ -+ /* -+ * Set up a linked list items where each period gets -+ * an item. The linked list item for the last period -+ * points back to the star of the buffer making a -+ * cyclic buffer. -+ */ -+ for (i = 0; i < req->periods; i++) { -+ lli = chan->block[i].lli_vaddr; -+ if (lli_prev) { -+ lli_prev->llp = chan->block[i].lli_dma_addr; -+ /* printk(KERN_INFO "lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", -+ i - 1, chan->block[i - 1].lli_vaddr, -+ chan->block[i - 1].lli_dma_addr, -+ lli_prev->sar, lli_prev->dar, lli_prev->llp, -+ lli_prev->ctllo, lli_prev->ctlhi);*/ -+ } -+ lli->llp = 0; -+ lli->ctllo = ctllo; -+ lli->ctlhi = ctlhi; -+ if (direction == DMA_TO_DEVICE) { -+ lli->sar = req->buffer_start + i*(block_size << req->width); -+ lli->dar = req->data_reg; -+ } else { -+ lli->sar = req->data_reg; -+ lli->dar = req->buffer_start + i*(block_size << req->width); -+ } -+ lli_prev = lli; -+ } -+ lli->llp = chan->block[0].lli_dma_addr; -+ -+ /*printk(KERN_INFO "lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", -+ i - 1, chan->block[i - 1].lli_vaddr, -+ chan->block[i - 1].lli_dma_addr, lli_prev->sar, -+ lli_prev->dar, lli_prev->llp, -+ lli_prev->ctllo, lli_prev->ctlhi); */ -+ -+ /* -+ * SAR, DAR and CTL are initialized from the LLI. We -+ * only have to enable the LLI bits in CTL. -+ */ -+ dmac_chan_writel_lo(dmac, req->req.channel, LLP, -+ chan->block[0].lli_dma_addr); -+ dmac_chan_writel_lo(dmac, req->req.channel, CTL, 1 << 28 | 1 << 27); -+ } -+ -+ clear_channel_bit(dmac, MASK_XFER, req->req.channel); -+ set_channel_bit(dmac, MASK_ERROR, req->req.channel); -+ if (req->req.block_complete) -+ set_channel_bit(dmac, MASK_BLOCK, req->req.channel); -+ else -+ clear_channel_bit(dmac, MASK_BLOCK, req->req.channel); -+ -+ return 0; -+ -+out_unclaim_channel: -+ chan->state = CH_STATE_ALLOCATED; -+ return ret; -+} -+ -+static int dmac_start_request(struct dma_controller *_dmac, -+ unsigned int channel) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ -+ BUG_ON(channel >= DMAC_NR_CHANNELS); -+ -+ set_channel_bit(dmac, CH_EN, channel); -+ -+ return 0; -+} -+ -+static dma_addr_t dmac_get_current_pos(struct dma_controller *_dmac, -+ unsigned int channel) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ struct dw_dma_channel *chan; -+ dma_addr_t current_pos; -+ -+ BUG_ON(channel >= DMAC_NR_CHANNELS); -+ -+ chan = &dmac->channel[channel]; -+ -+ switch (chan->direction) { -+ case DMA_TO_DEVICE: -+ current_pos = dmac_chan_readl_lo(dmac, channel, SAR); -+ break; -+ case DMA_FROM_DEVICE: -+ current_pos = dmac_chan_readl_lo(dmac, channel, DAR); -+ break; -+ default: -+ return 0; -+ } -+ -+ -+ if (!current_pos) { -+ if (chan->is_cyclic) { -+ current_pos = chan->req_cyclic->buffer_start; -+ } else { -+ current_pos = chan->req_sg->sg->dma_address; -+ } -+ } -+ -+ return current_pos; -+} -+ -+ -+static int dmac_stop_request(struct dma_controller *_dmac, -+ unsigned int channel) -+{ -+ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); -+ struct dw_dma_channel *chan; -+ -+ BUG_ON(channel >= DMAC_NR_CHANNELS); -+ -+ chan = &dmac->channel[channel]; -+ pr_debug("stop: st%u s%08x d%08x l%08x ctl0x%08x:0x%08x\n", -+ chan->state, dmac_chan_readl_lo(dmac, channel, SAR), -+ dmac_chan_readl_lo(dmac, channel, DAR), -+ dmac_chan_readl_lo(dmac, channel, LLP), -+ dmac_chan_readl_hi(dmac, channel, CTL), -+ dmac_chan_readl_lo(dmac, channel, CTL)); -+ -+ if (chan->state == CH_STATE_BUSY) { -+ clear_channel_bit(dmac, CH_EN, channel); -+ cleanup_channel(dmac, &dmac->channel[channel]); -+ } -+ -+ return 0; -+} -+ -+ -+static void dmac_block_complete(struct dw_dma_controller *dmac) -+{ -+ struct dw_dma_channel *chan; -+ unsigned long status, chanid; -+ -+ status = dmac_readl_lo(dmac, STATUS_BLOCK); -+ -+ while (status) { -+ struct dma_request *req; -+ chanid = __ffs(status); -+ chan = &dmac->channel[chanid]; -+ -+ if (chan->is_cyclic) { -+ BUG_ON(!chan->req_cyclic -+ || !chan->req_cyclic->req.block_complete); -+ req = &chan->req_cyclic->req; -+ } else { -+ BUG_ON(!chan->req_sg || !chan->req_sg->req.block_complete); -+ req = &chan->req_sg->req; -+ } -+ dmac_writel_lo(dmac, CLEAR_BLOCK, 1 << chanid); -+ req->block_complete(req); -+ status = dmac_readl_lo(dmac, STATUS_BLOCK); -+ } -+} -+ -+static void dmac_xfer_complete(struct dw_dma_controller *dmac) -+{ -+ struct dw_dma_channel *chan; -+ struct dma_request *req; -+ unsigned long status, chanid; -+ -+ status = dmac_readl_lo(dmac, STATUS_XFER); -+ -+ while (status) { -+ chanid = __ffs(status); -+ chan = &dmac->channel[chanid]; -+ -+ dmac_writel_lo(dmac, CLEAR_XFER, 1 << chanid); -+ -+ req = &chan->req_sg->req; -+ BUG_ON(!req); -+ cleanup_channel(dmac, chan); -+ if (req->xfer_complete) -+ req->xfer_complete(req); -+ -+ status = dmac_readl_lo(dmac, STATUS_XFER); -+ } -+} -+ -+static void dmac_error(struct dw_dma_controller *dmac) -+{ -+ struct dw_dma_channel *chan; -+ unsigned long status, chanid; -+ -+ status = dmac_readl_lo(dmac, STATUS_ERROR); -+ -+ while (status) { -+ struct dma_request *req; -+ -+ chanid = __ffs(status); -+ chan = &dmac->channel[chanid]; -+ -+ dmac_writel_lo(dmac, CLEAR_ERROR, 1 << chanid); -+ clear_channel_bit(dmac, CH_EN, chanid); -+ -+ if (chan->is_cyclic) { -+ BUG_ON(!chan->req_cyclic); -+ req = &chan->req_cyclic->req; -+ } else { -+ BUG_ON(!chan->req_sg); -+ req = &chan->req_sg->req; -+ } -+ -+ cleanup_channel(dmac, chan); -+ if (req->error) -+ req->error(req); -+ -+ status = dmac_readl_lo(dmac, STATUS_XFER); -+ } -+} -+ -+static irqreturn_t dmac_interrupt(int irq, void *dev_id) -+{ -+ struct dw_dma_controller *dmac = dev_id; -+ unsigned long status; -+ int ret = IRQ_NONE; -+ -+ spin_lock(&dmac->lock); -+ -+ status = dmac_readl_lo(dmac, STATUS_INT); -+ -+ while (status) { -+ ret = IRQ_HANDLED; -+ if (status & 0x10) -+ dmac_error(dmac); -+ if (status & 0x02) -+ dmac_block_complete(dmac); -+ if (status & 0x01) -+ dmac_xfer_complete(dmac); -+ -+ status = dmac_readl_lo(dmac, STATUS_INT); -+ } -+ -+ spin_unlock(&dmac->lock); -+ return ret; -+} -+ -+static int __devinit dmac_probe(struct platform_device *pdev) -+{ -+ struct dw_dma_controller *dmac; -+ struct resource *regs; -+ int ret; -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) -+ return -ENXIO; -+ -+ dmac = kmalloc(sizeof(*dmac), GFP_KERNEL); -+ if (!dmac) -+ return -ENOMEM; -+ memset(dmac, 0, sizeof(*dmac)); -+ -+ dmac->hclk = clk_get(&pdev->dev, "hclk"); -+ if (IS_ERR(dmac->hclk)) { -+ ret = PTR_ERR(dmac->hclk); -+ goto out_free_dmac; -+ } -+ clk_enable(dmac->hclk); -+ -+ ret = -ENOMEM; -+ dmac->lli_pool = dma_pool_create("dmac", &pdev->dev, -+ sizeof(struct dw_dma_lli), 4, 0); -+ if (!dmac->lli_pool) -+ goto out_disable_clk; -+ -+ spin_lock_init(&dmac->lock); -+ dmac->dma.dev = &pdev->dev; -+ dmac->dma.alloc_channel = dmac_alloc_channel; -+ dmac->dma.release_channel = dmac_release_channel; -+ dmac->dma.prepare_request_sg = dmac_prepare_request_sg; -+ dmac->dma.prepare_request_cyclic = dmac_prepare_request_cyclic; -+ dmac->dma.start_request = dmac_start_request; -+ dmac->dma.stop_request = dmac_stop_request; -+ dmac->dma.get_current_pos = dmac_get_current_pos; -+ -+ dmac->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!dmac->regs) -+ goto out_free_pool; -+ -+ ret = request_irq(platform_get_irq(pdev, 0), dmac_interrupt, -+ IRQF_SAMPLE_RANDOM, pdev->name, dmac); -+ if (ret) -+ goto out_unmap_regs; -+ -+ /* Enable the DMA controller */ -+ dmac_writel_lo(dmac, CFG, 1); -+ -+ register_dma_controller(&dmac->dma); -+ -+ printk(KERN_INFO -+ "dmac%d: DesignWare DMA controller at 0x%p irq %d\n", -+ dmac->dma.id, dmac->regs, platform_get_irq(pdev, 0)); -+ -+ return 0; -+ -+out_unmap_regs: -+ iounmap(dmac->regs); -+out_free_pool: -+ dma_pool_destroy(dmac->lli_pool); -+out_disable_clk: -+ clk_disable(dmac->hclk); -+ clk_put(dmac->hclk); -+out_free_dmac: -+ kfree(dmac); -+ return ret; -+} -+ -+static struct platform_driver dmac_driver = { -+ .probe = dmac_probe, -+ .driver = { -+ .name = "dmaca", -+ }, -+}; -+ -+static int __init dmac_init(void) -+{ -+ return platform_driver_register(&dmac_driver); -+} -+subsys_initcall(dmac_init); -+ -+static void __exit dmac_exit(void) -+{ -+ platform_driver_unregister(&dmac_driver); -+} -+module_exit(dmac_exit); -+ -+MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller driver"); -+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); -+MODULE_LICENSE("GPL"); -diff --git a/arch/avr32/drivers/dw-dmac.h b/arch/avr32/drivers/dw-dmac.h -new file mode 100644 -index 0000000..1f67921 ---- /dev/null -+++ b/arch/avr32/drivers/dw-dmac.h -@@ -0,0 +1,42 @@ -+/* -+ * Driver for the Synopsys DesignWare DMA Controller -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __AVR32_DW_DMAC_H__ -+#define __AVR32_DW_DMAC_H__ -+ -+#define DW_DMAC_CFG 0x398 -+#define DW_DMAC_CH_EN 0x3a0 -+ -+#define DW_DMAC_STATUS_XFER 0x2e8 -+#define DW_DMAC_STATUS_BLOCK 0x2f0 -+#define DW_DMAC_STATUS_ERROR 0x308 -+ -+#define DW_DMAC_MASK_XFER 0x310 -+#define DW_DMAC_MASK_BLOCK 0x318 -+#define DW_DMAC_MASK_ERROR 0x330 -+ -+#define DW_DMAC_CLEAR_XFER 0x338 -+#define DW_DMAC_CLEAR_BLOCK 0x340 -+#define DW_DMAC_CLEAR_ERROR 0x358 -+ -+#define DW_DMAC_STATUS_INT 0x360 -+ -+#define DW_DMAC_CHAN_SAR 0x000 -+#define DW_DMAC_CHAN_DAR 0x008 -+#define DW_DMAC_CHAN_LLP 0x010 -+#define DW_DMAC_CHAN_CTL 0x018 -+#define DW_DMAC_CHAN_SSTAT 0x020 -+#define DW_DMAC_CHAN_DSTAT 0x028 -+#define DW_DMAC_CHAN_SSTATAR 0x030 -+#define DW_DMAC_CHAN_DSTATAR 0x038 -+#define DW_DMAC_CHAN_CFG 0x040 -+#define DW_DMAC_CHAN_SGR 0x048 -+#define DW_DMAC_CHAN_DSR 0x050 -+ -+#endif /* __AVR32_DW_DMAC_H__ */ -diff --git a/arch/avr32/kernel/Makefile b/arch/avr32/kernel/Makefile -index 90e5aff..b6afc0c 100644 ---- a/arch/avr32/kernel/Makefile -+++ b/arch/avr32/kernel/Makefile -@@ -9,6 +9,7 @@ obj-y += syscall_table.o syscall-stubs.o irq.o - obj-y += setup.o traps.o semaphore.o ptrace.o - obj-y += signal.o sys_avr32.o process.o time.o - obj-y += init_task.o switch_to.o cpu.o -+obj-y += dma-controller.o - obj-$(CONFIG_MODULES) += module.o avr32_ksyms.o - obj-$(CONFIG_KPROBES) += kprobes.o - -diff --git a/arch/avr32/kernel/dma-controller.c b/arch/avr32/kernel/dma-controller.c -new file mode 100644 -index 0000000..fb654b3 ---- /dev/null -+++ b/arch/avr32/kernel/dma-controller.c -@@ -0,0 +1,34 @@ -+/* -+ * Preliminary DMA controller framework for AVR32 -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <asm/dma-controller.h> -+ -+static LIST_HEAD(controllers); -+ -+int register_dma_controller(struct dma_controller *dmac) -+{ -+ static int next_id; -+ -+ dmac->id = next_id++; -+ list_add_tail(&dmac->list, &controllers); -+ -+ return 0; -+} -+EXPORT_SYMBOL(register_dma_controller); -+ -+struct dma_controller *find_dma_controller(int id) -+{ -+ struct dma_controller *dmac; -+ -+ list_for_each_entry(dmac, &controllers, list) -+ if (dmac->id == id) -+ return dmac; -+ return NULL; -+} -+EXPORT_SYMBOL(find_dma_controller); -diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c -index b279d66..d08b0bc 100644 ---- a/arch/avr32/kernel/setup.c -+++ b/arch/avr32/kernel/setup.c -@@ -313,7 +313,7 @@ __tagtable(ATAG_MEM, parse_tag_mem); - - static int __init parse_tag_rdimg(struct tag *tag) - { --#ifdef CONFIG_INITRD -+#ifdef CONFIG_BLK_DEV_INITRD - struct tag_mem_range *mem = &tag->u.mem_range; - int ret; - -@@ -323,7 +323,7 @@ static int __init parse_tag_rdimg(struct tag *tag) - return 0; - } - -- ret = add_reserved_region(mem->start, mem->start + mem->size - 1, -+ ret = add_reserved_region(mem->addr, mem->addr + mem->size - 1, - "initrd"); - if (ret) { - printk(KERN_WARNING -diff --git a/arch/avr32/mach-at32ap/Kconfig b/arch/avr32/mach-at32ap/Kconfig -index eb30783..43c5b9f 100644 ---- a/arch/avr32/mach-at32ap/Kconfig -+++ b/arch/avr32/mach-at32ap/Kconfig -@@ -26,6 +26,13 @@ config AP7000_8_BIT_SMC - - endchoice - -+config GPIO_DEV -+ bool "GPIO /dev interface" -+ select CONFIGFS_FS -+ default n -+ help -+ Say `Y' to enable a /dev interface to the GPIO pins. -+ - endmenu - - endif # PLATFORM_AT32AP -diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile -index f1d3957..250372a 100644 ---- a/arch/avr32/mach-at32ap/Makefile -+++ b/arch/avr32/mach-at32ap/Makefile -@@ -1,3 +1,5 @@ - obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o - obj-$(CONFIG_CPU_AT32AP7000) += at32ap7000.o - obj-$(CONFIG_CPU_AT32AP7000) += time-tc.o -+obj-$(CONFIG_CPU_FREQ_AT32AP) += cpufreq.o -+obj-$(CONFIG_GPIO_DEV) += gpio-dev.o -diff --git a/arch/avr32/mach-at32ap/at32ap.c b/arch/avr32/mach-at32ap/at32ap.c -index 90f207e..7c4987f 100644 ---- a/arch/avr32/mach-at32ap/at32ap.c -+++ b/arch/avr32/mach-at32ap/at32ap.c -@@ -11,41 +11,10 @@ - #include <linux/init.h> - #include <linux/platform_device.h> - --#include <asm/io.h> -- - #include <asm/arch/init.h> --#include <asm/arch/sm.h> -- --struct at32_sm system_manager; -- --static int __init at32_sm_init(void) --{ -- struct resource *regs; -- struct at32_sm *sm = &system_manager; -- int ret = -ENXIO; -- -- regs = platform_get_resource(&at32_sm_device, IORESOURCE_MEM, 0); -- if (!regs) -- goto fail; -- -- spin_lock_init(&sm->lock); -- sm->pdev = &at32_sm_device; -- -- ret = -ENOMEM; -- sm->regs = ioremap(regs->start, regs->end - regs->start + 1); -- if (!sm->regs) -- goto fail; -- -- return 0; -- --fail: -- printk(KERN_ERR "Failed to initialize System Manager: %d\n", ret); -- return ret; --} - - void __init setup_platform(void) - { -- at32_sm_init(); - at32_clock_init(); - at32_portmux_init(); - } -diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c -index 4dda42d..1130c8a 100644 ---- a/arch/avr32/mach-at32ap/at32ap7000.c -+++ b/arch/avr32/mach-at32ap/at32ap7000.c -@@ -17,14 +17,20 @@ - #include <asm/arch/at32ap7000.h> - #include <asm/arch/board.h> - #include <asm/arch/portmux.h> --#include <asm/arch/sm.h> - - #include <video/atmel_lcdc.h> - - #include "clock.h" - #include "hmatrix.h" - #include "pio.h" --#include "sm.h" -+#include "pm.h" -+ -+/* -+ * We can reduce the code size a bit by using a constant here. Since -+ * this file is completely chip-specific, it's safe to not use -+ * ioremap. Generic drivers should of course never do this. -+ */ -+#define AT32_PM_BASE 0xfff00000 - - #define PBMEM(base) \ - { \ -@@ -88,6 +94,8 @@ static struct clk devname##_##_name = { \ - .index = _index, \ - } - -+static DEFINE_SPINLOCK(pm_lock); -+ - unsigned long at32ap7000_osc_rates[3] = { - [0] = 32768, - /* FIXME: these are ATSTK1002-specific */ -@@ -104,11 +112,11 @@ static unsigned long pll_get_rate(struct clk *clk, unsigned long control) - { - unsigned long div, mul, rate; - -- if (!(control & SM_BIT(PLLEN))) -+ if (!(control & PM_BIT(PLLEN))) - return 0; - -- div = SM_BFEXT(PLLDIV, control) + 1; -- mul = SM_BFEXT(PLLMUL, control) + 1; -+ div = PM_BFEXT(PLLDIV, control) + 1; -+ mul = PM_BFEXT(PLLMUL, control) + 1; - - rate = clk->parent->get_rate(clk->parent); - rate = (rate + div / 2) / div; -@@ -121,7 +129,7 @@ static unsigned long pll0_get_rate(struct clk *clk) - { - u32 control; - -- control = sm_readl(&system_manager, PM_PLL0); -+ control = pm_readl(PLL0); - - return pll_get_rate(clk, control); - } -@@ -130,7 +138,7 @@ static unsigned long pll1_get_rate(struct clk *clk) - { - u32 control; - -- control = sm_readl(&system_manager, PM_PLL1); -+ control = pm_readl(PLL1); - - return pll_get_rate(clk, control); - } -@@ -187,108 +195,139 @@ static unsigned long bus_clk_get_rate(struct clk *clk, unsigned int shift) - - static void cpu_clk_mode(struct clk *clk, int enabled) - { -- struct at32_sm *sm = &system_manager; - unsigned long flags; - u32 mask; - -- spin_lock_irqsave(&sm->lock, flags); -- mask = sm_readl(sm, PM_CPU_MASK); -+ spin_lock_irqsave(&pm_lock, flags); -+ mask = pm_readl(CPU_MASK); - if (enabled) - mask |= 1 << clk->index; - else - mask &= ~(1 << clk->index); -- sm_writel(sm, PM_CPU_MASK, mask); -- spin_unlock_irqrestore(&sm->lock, flags); -+ pm_writel(CPU_MASK, mask); -+ spin_unlock_irqrestore(&pm_lock, flags); - } - - static unsigned long cpu_clk_get_rate(struct clk *clk) - { - unsigned long cksel, shift = 0; - -- cksel = sm_readl(&system_manager, PM_CKSEL); -- if (cksel & SM_BIT(CPUDIV)) -- shift = SM_BFEXT(CPUSEL, cksel) + 1; -+ cksel = pm_readl(CKSEL); -+ if (cksel & PM_BIT(CPUDIV)) -+ shift = PM_BFEXT(CPUSEL, cksel) + 1; - - return bus_clk_get_rate(clk, shift); - } - -+static long cpu_clk_set_rate(struct clk *clk, unsigned long rate, int apply) -+{ -+ u32 control; -+ unsigned long parent_rate, child_div, actual_rate, div; -+ -+ parent_rate = clk->parent->get_rate(clk->parent); -+ control = pm_readl(CKSEL); -+ -+ if (control & PM_BIT(HSBDIV)) -+ child_div = 1 << (PM_BFEXT(HSBSEL, control) + 1); -+ else -+ child_div = 1; -+ -+ if (rate > 3 * (parent_rate / 4) || child_div == 1) { -+ actual_rate = parent_rate; -+ control &= ~PM_BIT(CPUDIV); -+ } else { -+ unsigned int cpusel; -+ div = (parent_rate + rate / 2) / rate; -+ if (div > child_div) -+ div = child_div; -+ cpusel = (div > 1) ? (fls(div) - 2) : 0; -+ control = PM_BIT(CPUDIV) | PM_BFINS(CPUSEL, cpusel, control); -+ actual_rate = parent_rate / (1 << (cpusel + 1)); -+ } -+ -+ pr_debug("clk %s: new rate %lu (actual rate %lu)\n", -+ clk->name, rate, actual_rate); -+ -+ if (apply) -+ pm_writel(CKSEL, control); -+ -+ return actual_rate; -+} -+ - static void hsb_clk_mode(struct clk *clk, int enabled) - { -- struct at32_sm *sm = &system_manager; - unsigned long flags; - u32 mask; - -- spin_lock_irqsave(&sm->lock, flags); -- mask = sm_readl(sm, PM_HSB_MASK); -+ spin_lock_irqsave(&pm_lock, flags); -+ mask = pm_readl(HSB_MASK); - if (enabled) - mask |= 1 << clk->index; - else - mask &= ~(1 << clk->index); -- sm_writel(sm, PM_HSB_MASK, mask); -- spin_unlock_irqrestore(&sm->lock, flags); -+ pm_writel(HSB_MASK, mask); -+ spin_unlock_irqrestore(&pm_lock, flags); - } - - static unsigned long hsb_clk_get_rate(struct clk *clk) - { - unsigned long cksel, shift = 0; - -- cksel = sm_readl(&system_manager, PM_CKSEL); -- if (cksel & SM_BIT(HSBDIV)) -- shift = SM_BFEXT(HSBSEL, cksel) + 1; -+ cksel = pm_readl(CKSEL); -+ if (cksel & PM_BIT(HSBDIV)) -+ shift = PM_BFEXT(HSBSEL, cksel) + 1; - - return bus_clk_get_rate(clk, shift); - } - - static void pba_clk_mode(struct clk *clk, int enabled) - { -- struct at32_sm *sm = &system_manager; - unsigned long flags; - u32 mask; - -- spin_lock_irqsave(&sm->lock, flags); -- mask = sm_readl(sm, PM_PBA_MASK); -+ spin_lock_irqsave(&pm_lock, flags); -+ mask = pm_readl(PBA_MASK); - if (enabled) - mask |= 1 << clk->index; - else - mask &= ~(1 << clk->index); -- sm_writel(sm, PM_PBA_MASK, mask); -- spin_unlock_irqrestore(&sm->lock, flags); -+ pm_writel(PBA_MASK, mask); -+ spin_unlock_irqrestore(&pm_lock, flags); - } - - static unsigned long pba_clk_get_rate(struct clk *clk) - { - unsigned long cksel, shift = 0; - -- cksel = sm_readl(&system_manager, PM_CKSEL); -- if (cksel & SM_BIT(PBADIV)) -- shift = SM_BFEXT(PBASEL, cksel) + 1; -+ cksel = pm_readl(CKSEL); -+ if (cksel & PM_BIT(PBADIV)) -+ shift = PM_BFEXT(PBASEL, cksel) + 1; - - return bus_clk_get_rate(clk, shift); - } - - static void pbb_clk_mode(struct clk *clk, int enabled) - { -- struct at32_sm *sm = &system_manager; - unsigned long flags; - u32 mask; - -- spin_lock_irqsave(&sm->lock, flags); -- mask = sm_readl(sm, PM_PBB_MASK); -+ spin_lock_irqsave(&pm_lock, flags); -+ mask = pm_readl(PBB_MASK); - if (enabled) - mask |= 1 << clk->index; - else - mask &= ~(1 << clk->index); -- sm_writel(sm, PM_PBB_MASK, mask); -- spin_unlock_irqrestore(&sm->lock, flags); -+ pm_writel(PBB_MASK, mask); -+ spin_unlock_irqrestore(&pm_lock, flags); - } - - static unsigned long pbb_clk_get_rate(struct clk *clk) - { - unsigned long cksel, shift = 0; - -- cksel = sm_readl(&system_manager, PM_CKSEL); -- if (cksel & SM_BIT(PBBDIV)) -- shift = SM_BFEXT(PBBSEL, cksel) + 1; -+ cksel = pm_readl(CKSEL); -+ if (cksel & PM_BIT(PBBDIV)) -+ shift = PM_BFEXT(PBBSEL, cksel) + 1; - - return bus_clk_get_rate(clk, shift); - } -@@ -296,6 +335,7 @@ static unsigned long pbb_clk_get_rate(struct clk *clk) - static struct clk cpu_clk = { - .name = "cpu", - .get_rate = cpu_clk_get_rate, -+ .set_rate = cpu_clk_set_rate, - .users = 1, - }; - static struct clk hsb_clk = { -@@ -327,12 +367,12 @@ static void genclk_mode(struct clk *clk, int enabled) - { - u32 control; - -- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); -+ control = pm_readl(GCCTRL(clk->index)); - if (enabled) -- control |= SM_BIT(CEN); -+ control |= PM_BIT(CEN); - else -- control &= ~SM_BIT(CEN); -- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control); -+ control &= ~PM_BIT(CEN); -+ pm_writel(GCCTRL(clk->index), control); - } - - static unsigned long genclk_get_rate(struct clk *clk) -@@ -340,9 +380,9 @@ static unsigned long genclk_get_rate(struct clk *clk) - u32 control; - unsigned long div = 1; - -- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); -- if (control & SM_BIT(DIVEN)) -- div = 2 * (SM_BFEXT(DIV, control) + 1); -+ control = pm_readl(GCCTRL(clk->index)); -+ if (control & PM_BIT(DIVEN)) -+ div = 2 * (PM_BFEXT(DIV, control) + 1); - - return clk->parent->get_rate(clk->parent) / div; - } -@@ -353,23 +393,22 @@ static long genclk_set_rate(struct clk *clk, unsigned long rate, int apply) - unsigned long parent_rate, actual_rate, div; - - parent_rate = clk->parent->get_rate(clk->parent); -- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); -+ control = pm_readl(GCCTRL(clk->index)); - - if (rate > 3 * parent_rate / 4) { - actual_rate = parent_rate; -- control &= ~SM_BIT(DIVEN); -+ control &= ~PM_BIT(DIVEN); - } else { - div = (parent_rate + rate) / (2 * rate) - 1; -- control = SM_BFINS(DIV, div, control) | SM_BIT(DIVEN); -+ control = PM_BFINS(DIV, div, control) | PM_BIT(DIVEN); - actual_rate = parent_rate / (2 * (div + 1)); - } - -- printk("clk %s: new rate %lu (actual rate %lu)\n", -- clk->name, rate, actual_rate); -+ dev_dbg(clk->dev, "clk %s: new rate %lu (actual rate %lu)\n", -+ clk->name, rate, actual_rate); - - if (apply) -- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, -- control); -+ pm_writel(GCCTRL(clk->index), control); - - return actual_rate; - } -@@ -378,24 +417,24 @@ int genclk_set_parent(struct clk *clk, struct clk *parent) - { - u32 control; - -- printk("clk %s: new parent %s (was %s)\n", -- clk->name, parent->name, clk->parent->name); -+ dev_dbg(clk->dev, "clk %s: new parent %s (was %s)\n", -+ clk->name, parent->name, clk->parent->name); - -- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); -+ control = pm_readl(GCCTRL(clk->index)); - - if (parent == &osc1 || parent == &pll1) -- control |= SM_BIT(OSCSEL); -+ control |= PM_BIT(OSCSEL); - else if (parent == &osc0 || parent == &pll0) -- control &= ~SM_BIT(OSCSEL); -+ control &= ~PM_BIT(OSCSEL); - else - return -EINVAL; - - if (parent == &pll0 || parent == &pll1) -- control |= SM_BIT(PLLSEL); -+ control |= PM_BIT(PLLSEL); - else -- control &= ~SM_BIT(PLLSEL); -+ control &= ~PM_BIT(PLLSEL); - -- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control); -+ pm_writel(GCCTRL(clk->index), control); - clk->parent = parent; - - return 0; -@@ -408,11 +447,11 @@ static void __init genclk_init_parent(struct clk *clk) - - BUG_ON(clk->index > 7); - -- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); -- if (control & SM_BIT(OSCSEL)) -- parent = (control & SM_BIT(PLLSEL)) ? &pll1 : &osc1; -+ control = pm_readl(GCCTRL(clk->index)); -+ if (control & PM_BIT(OSCSEL)) -+ parent = (control & PM_BIT(PLLSEL)) ? &pll1 : &osc1; - else -- parent = (control & SM_BIT(PLLSEL)) ? &pll0 : &osc0; -+ parent = (control & PM_BIT(PLLSEL)) ? &pll0 : &osc0; - - clk->parent = parent; - } -@@ -420,21 +459,53 @@ static void __init genclk_init_parent(struct clk *clk) - /* -------------------------------------------------------------------- - * System peripherals - * -------------------------------------------------------------------- */ --static struct resource sm_resource[] = { -- PBMEM(0xfff00000), -- NAMED_IRQ(19, "eim"), -- NAMED_IRQ(20, "pm"), -- NAMED_IRQ(21, "rtc"), --}; --struct platform_device at32_sm_device = { -- .name = "sm", -- .id = 0, -- .resource = sm_resource, -- .num_resources = ARRAY_SIZE(sm_resource), -+static struct resource at32_pm0_resource[] = { -+ { -+ .start = 0xfff00000, -+ .end = 0xfff0007f, -+ .flags = IORESOURCE_MEM, -+ }, -+ IRQ(20), - }; --static struct clk at32_sm_pclk = { -+ -+static struct resource at32ap700x_rtc0_resource[] = { -+ { -+ .start = 0xfff00080, -+ .end = 0xfff000af, -+ .flags = IORESOURCE_MEM, -+ }, -+ IRQ(21), -+}; -+ -+static struct resource at32_wdt0_resource[] = { -+ { -+ .start = 0xfff000b0, -+ .end = 0xfff000bf, -+ .flags = IORESOURCE_MEM, -+ }, -+}; -+ -+static struct resource at32_eic0_resource[] = { -+ { -+ .start = 0xfff00100, -+ .end = 0xfff0013f, -+ .flags = IORESOURCE_MEM, -+ }, -+ IRQ(19), -+}; -+ -+DEFINE_DEV(at32_pm, 0); -+DEFINE_DEV(at32ap700x_rtc, 0); -+DEFINE_DEV(at32_wdt, 0); -+DEFINE_DEV(at32_eic, 0); -+ -+/* -+ * Peripheral clock for PM, RTC, WDT and EIC. PM will ensure that this -+ * is always running. -+ */ -+static struct clk at32_pm_pclk = { - .name = "pclk", -- .dev = &at32_sm_device.dev, -+ .dev = &at32_pm0_device.dev, - .parent = &pbb_clk, - .mode = pbb_clk_mode, - .get_rate = pbb_clk_get_rate, -@@ -491,6 +562,17 @@ static struct clk pico_clk = { - .users = 1, - }; - -+static struct resource dmaca0_resource[] = { -+ { -+ .start = 0xff200000, -+ .end = 0xff20ffff, -+ .flags = IORESOURCE_MEM, -+ }, -+ IRQ(2), -+}; -+DEFINE_DEV(dmaca, 0); -+DEV_CLK(hclk, dmaca0, hsb, 10); -+ - /* -------------------------------------------------------------------- - * HMATRIX - * -------------------------------------------------------------------- */ -@@ -583,12 +665,14 @@ DEV_CLK(mck, pio4, pba, 14); - - void __init at32_add_system_devices(void) - { -- system_manager.eim_first_irq = EIM_IRQ_BASE; -- -- platform_device_register(&at32_sm_device); -+ platform_device_register(&at32_pm0_device); - platform_device_register(&at32_intc0_device); -+ platform_device_register(&at32ap700x_rtc0_device); -+ platform_device_register(&at32_wdt0_device); -+ platform_device_register(&at32_eic0_device); - platform_device_register(&smc0_device); - platform_device_register(&pdc_device); -+ platform_device_register(&dmaca0_device); - - platform_device_register(&at32_systc0_device); - -@@ -894,6 +978,83 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n) - } - - /* -------------------------------------------------------------------- -+ * TWI -+ * -------------------------------------------------------------------- */ -+ -+static struct resource atmel_twi0_resource[] = { -+ PBMEM(0xffe00800), -+ IRQ(5), -+}; -+DEFINE_DEV(atmel_twi, 0); -+DEV_CLK(pclk,atmel_twi0,pba,2); -+ -+struct platform_device *__init -+at32_add_device_twi(unsigned int id) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &atmel_twi0_device; -+ select_peripheral(PA(6), PERIPH_A, 0); /* SDA */ -+ select_peripheral(PA(7), PERIPH_A, 0); /* SCL */ -+ break; -+ -+ default: -+ return NULL; -+ } -+ -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- -+ * MMC -+ * -------------------------------------------------------------------- */ -+static struct mci_platform_data atmel_mci0_data = { -+ .detect_pin = GPIO_PIN_NONE, -+ .wp_pin = GPIO_PIN_NONE, -+}; -+static struct resource atmel_mci0_resource[] = { -+ PBMEM(0xfff02400), -+ IRQ(28), -+}; -+DEFINE_DEV_DATA(atmel_mci, 0); -+DEV_CLK(mci_clk, atmel_mci0, pbb, 9); -+ -+struct platform_device *__init -+at32_add_device_mci(unsigned int id, struct mci_platform_data *data) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &atmel_mci0_device; -+ select_peripheral(PA(10), PERIPH_A, 0); /* CLK */ -+ select_peripheral(PA(11), PERIPH_A, 0); /* CMD */ -+ select_peripheral(PA(12), PERIPH_A, 0); /* DATA0 */ -+ select_peripheral(PA(13), PERIPH_A, 0); /* DATA1 */ -+ select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */ -+ select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */ -+ break; -+ default: -+ return NULL; -+ } -+ -+ if (data) { -+ if (data->detect_pin != GPIO_PIN_NONE) -+ at32_select_gpio(data->detect_pin, 0); -+ if (data->wp_pin != GPIO_PIN_NONE) -+ at32_select_gpio(data->wp_pin, 0); -+ memcpy(pdev->dev.platform_data, data, -+ sizeof(struct mci_platform_data)); -+ } -+ -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- - * LCDC - * -------------------------------------------------------------------- */ - static struct atmel_lcdfb_info atmel_lcdfb0_data; -@@ -1013,6 +1174,228 @@ err_dup_modedb: - } - - /* -------------------------------------------------------------------- -+ * USB Device Controller -+ * -------------------------------------------------------------------- */ -+static struct resource usba0_resource[] __initdata = { -+ { -+ .name = "fifo", -+ .start = 0xff300000, -+ .end = 0xff3fffff, -+ .flags = IORESOURCE_MEM, -+ }, { -+ .name = "regs", -+ .start = 0xfff03000, -+ .end = 0xfff033ff, -+ .flags = IORESOURCE_MEM, -+ }, -+ IRQ(31), -+}; -+static struct clk usba0_pclk = { -+ .name = "pclk", -+ .parent = &pbb_clk, -+ .mode = pbb_clk_mode, -+ .get_rate = pbb_clk_get_rate, -+ .index = 12, -+}; -+static struct clk usba0_hclk = { -+ .name = "hclk", -+ .parent = &hsb_clk, -+ .mode = hsb_clk_mode, -+ .get_rate = hsb_clk_get_rate, -+ .index = 6, -+}; -+ -+struct platform_device *__init -+at32_add_device_usba(unsigned int id, struct usba_platform_data *data) -+{ -+ struct platform_device *pdev; -+ -+ if (id != 0) -+ return NULL; -+ -+ pdev = platform_device_alloc("atmel_usba_udc", 0); -+ if (!pdev) -+ return NULL; -+ -+ if (platform_device_add_resources(pdev, usba0_resource, -+ ARRAY_SIZE(usba0_resource))) -+ goto out_free_pdev; -+ -+ if (data) { -+ if (platform_device_add_data(pdev, data, sizeof(*data))) -+ goto out_free_pdev; -+ -+ if (data->vbus_pin != GPIO_PIN_NONE) -+ at32_select_gpio(data->vbus_pin, 0); -+ } -+ -+ usba0_pclk.dev = &pdev->dev; -+ usba0_hclk.dev = &pdev->dev; -+ -+ platform_device_add(pdev); -+ -+ return pdev; -+ -+out_free_pdev: -+ platform_device_put(pdev); -+ return NULL; -+} -+ -+/* -------------------------------------------------------------------- -+ * SSC -+ * -------------------------------------------------------------------- */ -+static struct resource ssc0_resource[] = { -+ PBMEM(0xffe01c00), -+ IRQ(10), -+}; -+DEFINE_DEV(ssc, 0); -+DEV_CLK(pclk, ssc0, pba, 7); -+ -+static struct resource ssc1_resource[] = { -+ PBMEM(0xffe02000), -+ IRQ(11), -+}; -+DEFINE_DEV(ssc, 1); -+DEV_CLK(pclk, ssc1, pba, 8); -+ -+static struct resource ssc2_resource[] = { -+ PBMEM(0xffe02400), -+ IRQ(12), -+}; -+DEFINE_DEV(ssc, 2); -+DEV_CLK(pclk, ssc2, pba, 9); -+ -+struct platform_device *__init -+at32_add_device_ssc(unsigned int id, unsigned int flags) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &ssc0_device; -+ if (flags & ATMEL_SSC_RF) -+ select_peripheral(PA(21), PERIPH_A, 0); /* RF */ -+ if (flags & ATMEL_SSC_RK) -+ select_peripheral(PA(22), PERIPH_A, 0); /* RK */ -+ if (flags & ATMEL_SSC_TK) -+ select_peripheral(PA(23), PERIPH_A, 0); /* TK */ -+ if (flags & ATMEL_SSC_TF) -+ select_peripheral(PA(24), PERIPH_A, 0); /* TF */ -+ if (flags & ATMEL_SSC_TD) -+ select_peripheral(PA(25), PERIPH_A, 0); /* TD */ -+ if (flags & ATMEL_SSC_RD) -+ select_peripheral(PA(26), PERIPH_A, 0); /* RD */ -+ break; -+ case 1: -+ pdev = &ssc1_device; -+ if (flags & ATMEL_SSC_RF) -+ select_peripheral(PA(0), PERIPH_B, 0); /* RF */ -+ if (flags & ATMEL_SSC_RK) -+ select_peripheral(PA(1), PERIPH_B, 0); /* RK */ -+ if (flags & ATMEL_SSC_TK) -+ select_peripheral(PA(2), PERIPH_B, 0); /* TK */ -+ if (flags & ATMEL_SSC_TF) -+ select_peripheral(PA(3), PERIPH_B, 0); /* TF */ -+ if (flags & ATMEL_SSC_TD) -+ select_peripheral(PA(4), PERIPH_B, 0); /* TD */ -+ if (flags & ATMEL_SSC_RD) -+ select_peripheral(PA(5), PERIPH_B, 0); /* RD */ -+ break; -+ case 2: -+ pdev = &ssc2_device; -+ if (flags & ATMEL_SSC_TD) -+ select_peripheral(PB(13), PERIPH_A, 0); /* TD */ -+ if (flags & ATMEL_SSC_RD) -+ select_peripheral(PB(14), PERIPH_A, 0); /* RD */ -+ if (flags & ATMEL_SSC_TK) -+ select_peripheral(PB(15), PERIPH_A, 0); /* TK */ -+ if (flags & ATMEL_SSC_TF) -+ select_peripheral(PB(16), PERIPH_A, 0); /* TF */ -+ if (flags & ATMEL_SSC_RF) -+ select_peripheral(PB(17), PERIPH_A, 0); /* RF */ -+ if (flags & ATMEL_SSC_RK) -+ select_peripheral(PB(18), PERIPH_A, 0); /* RK */ -+ break; -+ default: -+ return NULL; -+ } -+ -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- -+ * AC97C -+ * -------------------------------------------------------------------- */ -+static struct resource atmel_ac97c0_resource[] = { -+ PBMEM(0xfff02800), -+ IRQ(29), -+}; -+DEFINE_DEV(atmel_ac97c, 0); -+DEV_CLK(pclk, atmel_ac97c0, pbb, 10); -+ -+struct platform_device *__init -+at32_add_device_ac97c(unsigned int id) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &atmel_ac97c0_device; -+ select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */ -+ select_peripheral(PB(21), PERIPH_B, 0); /* SDO */ -+ select_peripheral(PB(22), PERIPH_B, 0); /* SDI */ -+ select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */ -+ break; -+ default: -+ return NULL; -+ } -+ -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- -+ * DAC -+ * -------------------------------------------------------------------- */ -+static struct resource abdac0_resource[] = { -+ PBMEM(0xfff02000), -+ IRQ(27), -+}; -+DEFINE_DEV(abdac, 0); -+DEV_CLK(pclk, abdac0, pbb, 8); -+static struct clk abdac0_sample_clk = { -+ .name = "sample_clk", -+ .dev = &abdac0_device.dev, -+ .mode = genclk_mode, -+ .get_rate = genclk_get_rate, -+ .set_rate = genclk_set_rate, -+ .set_parent = genclk_set_parent, -+ .index = 6, -+}; -+ -+struct platform_device *__init -+at32_add_device_abdac(unsigned int id) -+{ -+ struct platform_device *pdev; -+ -+ switch (id) { -+ case 0: -+ pdev = &abdac0_device; -+ select_peripheral(PB(20), PERIPH_A, 0); /* DATA1 */ -+ select_peripheral(PB(21), PERIPH_A, 0); /* DATA0 */ -+ select_peripheral(PB(22), PERIPH_A, 0); /* DATAN1 */ -+ select_peripheral(PB(23), PERIPH_A, 0); /* DATAN0 */ -+ break; -+ default: -+ return NULL; -+ } -+ -+ platform_device_register(pdev); -+ return pdev; -+} -+ -+/* -------------------------------------------------------------------- - * GCLK - * -------------------------------------------------------------------- */ - static struct clk gclk0 = { -@@ -1066,7 +1449,7 @@ struct clk *at32_clock_list[] = { - &hsb_clk, - &pba_clk, - &pbb_clk, -- &at32_sm_pclk, -+ &at32_pm_pclk, - &at32_intc0_pclk, - &hmatrix_clk, - &ebi_clk, -@@ -1075,6 +1458,7 @@ struct clk *at32_clock_list[] = { - &smc0_mck, - &pdc_hclk, - &pdc_pclk, -+ &dmaca0_hclk, - &pico_clk, - &pio0_mck, - &pio1_mck, -@@ -1092,8 +1476,18 @@ struct clk *at32_clock_list[] = { - &macb1_pclk, - &atmel_spi0_spi_clk, - &atmel_spi1_spi_clk, -+ &atmel_twi0_pclk, -+ &atmel_mci0_mci_clk, - &atmel_lcdfb0_hck1, - &atmel_lcdfb0_pixclk, -+ &usba0_pclk, -+ &usba0_hclk, -+ &ssc0_pclk, -+ &ssc1_pclk, -+ &ssc2_pclk, -+ &atmel_ac97c0_pclk, -+ &abdac0_pclk, -+ &abdac0_sample_clk, - &gclk0, - &gclk1, - &gclk2, -@@ -1113,18 +1507,20 @@ void __init at32_portmux_init(void) - - void __init at32_clock_init(void) - { -- struct at32_sm *sm = &system_manager; - u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0; - int i; - -- if (sm_readl(sm, PM_MCCTRL) & SM_BIT(PLLSEL)) -+ if (pm_readl(MCCTRL) & PM_BIT(PLLSEL)) { - main_clock = &pll0; -- else -+ cpu_clk.parent = &pll0; -+ } else { - main_clock = &osc0; -+ cpu_clk.parent = &osc0; -+ } - -- if (sm_readl(sm, PM_PLL0) & SM_BIT(PLLOSC)) -+ if (pm_readl(PLL0) & PM_BIT(PLLOSC)) - pll0.parent = &osc1; -- if (sm_readl(sm, PM_PLL1) & SM_BIT(PLLOSC)) -+ if (pm_readl(PLL1) & PM_BIT(PLLOSC)) - pll1.parent = &osc1; - - genclk_init_parent(&gclk0); -@@ -1133,6 +1529,7 @@ void __init at32_clock_init(void) - genclk_init_parent(&gclk3); - genclk_init_parent(&gclk4); - genclk_init_parent(&atmel_lcdfb0_pixclk); -+ genclk_init_parent(&abdac0_sample_clk); - - /* - * Turn on all clocks that have at least one user already, and -@@ -1157,8 +1554,8 @@ void __init at32_clock_init(void) - pbb_mask |= 1 << clk->index; - } - -- sm_writel(sm, PM_CPU_MASK, cpu_mask); -- sm_writel(sm, PM_HSB_MASK, hsb_mask); -- sm_writel(sm, PM_PBA_MASK, pba_mask); -- sm_writel(sm, PM_PBB_MASK, pbb_mask); -+ pm_writel(CPU_MASK, cpu_mask); -+ pm_writel(HSB_MASK, hsb_mask); -+ pm_writel(PBA_MASK, pba_mask); -+ pm_writel(PBB_MASK, pbb_mask); - } -diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c -new file mode 100644 -index 0000000..235524b ---- /dev/null -+++ b/arch/avr32/mach-at32ap/cpufreq.c -@@ -0,0 +1,112 @@ -+/* -+ * Copyright (C) 2004-2007 Atmel Corporation -+ * -+ * Based on MIPS implementation arch/mips/kernel/time.c -+ * Copyright 2001 MontaVista Software Inc. -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/*#define DEBUG*/ -+ -+#include <linux/kernel.h> -+#include <linux/types.h> -+#include <linux/init.h> -+#include <linux/cpufreq.h> -+#include <linux/io.h> -+#include <linux/clk.h> -+#include <linux/err.h> -+#include <asm/system.h> -+ -+static struct clk *cpuclk; -+ -+static int at32_verify_speed(struct cpufreq_policy *policy) -+{ -+ if (policy->cpu != 0) -+ return -EINVAL; -+ -+ cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, -+ policy->cpuinfo.max_freq); -+ return 0; -+} -+ -+static unsigned int at32_get_speed(unsigned int cpu) -+{ -+ /* No SMP support */ -+ if (cpu) -+ return 0; -+ return (unsigned int)((clk_get_rate(cpuclk) + 500) / 1000); -+} -+ -+static int at32_set_target(struct cpufreq_policy *policy, -+ unsigned int target_freq, -+ unsigned int relation) -+{ -+ struct cpufreq_freqs freqs; -+ long freq; -+ -+ /* Convert target_freq from kHz to Hz */ -+ freq = clk_round_rate(cpuclk, target_freq * 1000); -+ -+ /* Check if policy->min <= new_freq <= policy->max */ -+ if(freq < (policy->min * 1000) || freq > (policy->max * 1000)) -+ return -EINVAL; -+ -+ pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000); -+ -+ freqs.old = at32_get_speed(0); -+ freqs.new = (freq + 500) / 1000; -+ freqs.cpu = 0; -+ freqs.flags = 0; -+ -+ cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); -+ clk_set_rate(cpuclk, freq); -+ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); -+ -+ pr_debug("cpufreq: set frequency %lu Hz\n", freq); -+ -+ return 0; -+} -+ -+static int __init at32_cpufreq_driver_init(struct cpufreq_policy *policy) -+{ -+ if (policy->cpu != 0) -+ return -EINVAL; -+ -+ cpuclk = clk_get(NULL, "cpu"); -+ if (IS_ERR(cpuclk)) { -+ pr_debug("cpufreq: could not get CPU clk\n"); -+ return PTR_ERR(cpuclk); -+ } -+ -+ policy->cpuinfo.min_freq = (clk_round_rate(cpuclk, 1) + 500) / 1000; -+ policy->cpuinfo.max_freq = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000; -+ policy->cpuinfo.transition_latency = 0; -+ policy->cur = at32_get_speed(0); -+ policy->min = policy->cpuinfo.min_freq; -+ policy->max = policy->cpuinfo.max_freq; -+ policy->governor = CPUFREQ_DEFAULT_GOVERNOR; -+ -+ printk("cpufreq: AT32AP CPU frequency driver\n"); -+ -+ return 0; -+} -+ -+static struct cpufreq_driver at32_driver = { -+ .name = "at32ap", -+ .owner = THIS_MODULE, -+ .init = at32_cpufreq_driver_init, -+ .verify = at32_verify_speed, -+ .target = at32_set_target, -+ .get = at32_get_speed, -+ .flags = CPUFREQ_STICKY, -+}; -+ -+static int __init at32_cpufreq_init(void) -+{ -+ return cpufreq_register_driver(&at32_driver); -+} -+ -+arch_initcall(at32_cpufreq_init); -diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c -index 4a60ecc..8acd010 100644 ---- a/arch/avr32/mach-at32ap/extint.c -+++ b/arch/avr32/mach-at32ap/extint.c -@@ -17,42 +17,83 @@ - - #include <asm/io.h> - --#include <asm/arch/sm.h> -- --#include "sm.h" -+/* EIC register offsets */ -+#define EIC_IER 0x0000 -+#define EIC_IDR 0x0004 -+#define EIC_IMR 0x0008 -+#define EIC_ISR 0x000c -+#define EIC_ICR 0x0010 -+#define EIC_MODE 0x0014 -+#define EIC_EDGE 0x0018 -+#define EIC_LEVEL 0x001c -+#define EIC_TEST 0x0020 -+#define EIC_NMIC 0x0024 -+ -+/* Bitfields in TEST */ -+#define EIC_TESTEN_OFFSET 31 -+#define EIC_TESTEN_SIZE 1 -+ -+/* Bitfields in NMIC */ -+#define EIC_EN_OFFSET 0 -+#define EIC_EN_SIZE 1 -+ -+/* Bit manipulation macros */ -+#define EIC_BIT(name) \ -+ (1 << EIC_##name##_OFFSET) -+#define EIC_BF(name,value) \ -+ (((value) & ((1 << EIC_##name##_SIZE) - 1)) \ -+ << EIC_##name##_OFFSET) -+#define EIC_BFEXT(name,value) \ -+ (((value) >> EIC_##name##_OFFSET) \ -+ & ((1 << EIC_##name##_SIZE) - 1)) -+#define EIC_BFINS(name,value,old) \ -+ (((old) & ~(((1 << EIC_##name##_SIZE) - 1) \ -+ << EIC_##name##_OFFSET)) \ -+ | EIC_BF(name,value)) -+ -+/* Register access macros */ -+#define eic_readl(port,reg) \ -+ __raw_readl((port)->regs + EIC_##reg) -+#define eic_writel(port,reg,value) \ -+ __raw_writel((value), (port)->regs + EIC_##reg) -+ -+struct eic { -+ void __iomem *regs; -+ struct irq_chip *chip; -+ unsigned int first_irq; -+}; - --static void eim_ack_irq(unsigned int irq) -+static void eic_ack_irq(unsigned int irq) - { -- struct at32_sm *sm = get_irq_chip_data(irq); -- sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq)); -+ struct eic *eic = get_irq_chip_data(irq); -+ eic_writel(eic, ICR, 1 << (irq - eic->first_irq)); - } - --static void eim_mask_irq(unsigned int irq) -+static void eic_mask_irq(unsigned int irq) - { -- struct at32_sm *sm = get_irq_chip_data(irq); -- sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq)); -+ struct eic *eic = get_irq_chip_data(irq); -+ eic_writel(eic, IDR, 1 << (irq - eic->first_irq)); - } - --static void eim_mask_ack_irq(unsigned int irq) -+static void eic_mask_ack_irq(unsigned int irq) - { -- struct at32_sm *sm = get_irq_chip_data(irq); -- sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq)); -- sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq)); -+ struct eic *eic = get_irq_chip_data(irq); -+ eic_writel(eic, ICR, 1 << (irq - eic->first_irq)); -+ eic_writel(eic, IDR, 1 << (irq - eic->first_irq)); - } - --static void eim_unmask_irq(unsigned int irq) -+static void eic_unmask_irq(unsigned int irq) - { -- struct at32_sm *sm = get_irq_chip_data(irq); -- sm_writel(sm, EIM_IER, 1 << (irq - sm->eim_first_irq)); -+ struct eic *eic = get_irq_chip_data(irq); -+ eic_writel(eic, IER, 1 << (irq - eic->first_irq)); - } - --static int eim_set_irq_type(unsigned int irq, unsigned int flow_type) -+static int eic_set_irq_type(unsigned int irq, unsigned int flow_type) - { -- struct at32_sm *sm = get_irq_chip_data(irq); -+ struct eic *eic = get_irq_chip_data(irq); - struct irq_desc *desc; -- unsigned int i = irq - sm->eim_first_irq; -+ unsigned int i = irq - eic->first_irq; - u32 mode, edge, level; -- unsigned long flags; - int ret = 0; - - flow_type &= IRQ_TYPE_SENSE_MASK; -@@ -60,11 +101,10 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type) - flow_type = IRQ_TYPE_LEVEL_LOW; - - desc = &irq_desc[irq]; -- spin_lock_irqsave(&sm->lock, flags); - -- mode = sm_readl(sm, EIM_MODE); -- edge = sm_readl(sm, EIM_EDGE); -- level = sm_readl(sm, EIM_LEVEL); -+ mode = eic_readl(eic, MODE); -+ edge = eic_readl(eic, EDGE); -+ level = eic_readl(eic, LEVEL); - - switch (flow_type) { - case IRQ_TYPE_LEVEL_LOW: -@@ -89,9 +129,9 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type) - } - - if (ret == 0) { -- sm_writel(sm, EIM_MODE, mode); -- sm_writel(sm, EIM_EDGE, edge); -- sm_writel(sm, EIM_LEVEL, level); -+ eic_writel(eic, MODE, mode); -+ eic_writel(eic, EDGE, edge); -+ eic_writel(eic, LEVEL, level); - - if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) - flow_type |= IRQ_LEVEL; -@@ -99,35 +139,33 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type) - desc->status |= flow_type; - } - -- spin_unlock_irqrestore(&sm->lock, flags); -- - return ret; - } - --struct irq_chip eim_chip = { -- .name = "eim", -- .ack = eim_ack_irq, -- .mask = eim_mask_irq, -- .mask_ack = eim_mask_ack_irq, -- .unmask = eim_unmask_irq, -- .set_type = eim_set_irq_type, -+struct irq_chip eic_chip = { -+ .name = "eic", -+ .ack = eic_ack_irq, -+ .mask = eic_mask_irq, -+ .mask_ack = eic_mask_ack_irq, -+ .unmask = eic_unmask_irq, -+ .set_type = eic_set_irq_type, - }; - --static void demux_eim_irq(unsigned int irq, struct irq_desc *desc) -+static void demux_eic_irq(unsigned int irq, struct irq_desc *desc) - { -- struct at32_sm *sm = desc->handler_data; -+ struct eic *eic = desc->handler_data; - struct irq_desc *ext_desc; - unsigned long status, pending; - unsigned int i, ext_irq; - -- status = sm_readl(sm, EIM_ISR); -- pending = status & sm_readl(sm, EIM_IMR); -+ status = eic_readl(eic, ISR); -+ pending = status & eic_readl(eic, IMR); - - while (pending) { - i = fls(pending) - 1; - pending &= ~(1 << i); - -- ext_irq = i + sm->eim_first_irq; -+ ext_irq = i + eic->first_irq; - ext_desc = irq_desc + ext_irq; - if (ext_desc->status & IRQ_LEVEL) - handle_level_irq(ext_irq, ext_desc); -@@ -136,51 +174,85 @@ static void demux_eim_irq(unsigned int irq, struct irq_desc *desc) - } - } - --static int __init eim_init(void) -+static int __init eic_probe(struct platform_device *pdev) - { -- struct at32_sm *sm = &system_manager; -+ struct eic *eic; -+ struct resource *regs; - unsigned int i; - unsigned int nr_irqs; - unsigned int int_irq; -+ int ret; - u32 pattern; - -- /* -- * The EIM is really the same module as SM, so register -- * mapping, etc. has been taken care of already. -- */ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ int_irq = platform_get_irq(pdev, 0); -+ if (!regs || !int_irq) { -+ dev_dbg(&pdev->dev, "missing regs and/or irq resource\n"); -+ return -ENXIO; -+ } -+ -+ ret = -ENOMEM; -+ eic = kzalloc(sizeof(struct eic), GFP_KERNEL); -+ if (!eic) { -+ dev_dbg(&pdev->dev, "no memory for eic structure\n"); -+ goto err_kzalloc; -+ } -+ -+ eic->first_irq = EIM_IRQ_BASE + 32 * pdev->id; -+ eic->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!eic->regs) { -+ dev_dbg(&pdev->dev, "failed to map regs\n"); -+ goto err_ioremap; -+ } - - /* - * Find out how many interrupt lines that are actually - * implemented in hardware. - */ -- sm_writel(sm, EIM_IDR, ~0UL); -- sm_writel(sm, EIM_MODE, ~0UL); -- pattern = sm_readl(sm, EIM_MODE); -+ eic_writel(eic, IDR, ~0UL); -+ eic_writel(eic, MODE, ~0UL); -+ pattern = eic_readl(eic, MODE); - nr_irqs = fls(pattern); - - /* Trigger on falling edge unless overridden by driver */ -- sm_writel(sm, EIM_MODE, 0UL); -- sm_writel(sm, EIM_EDGE, 0UL); -+ eic_writel(eic, MODE, 0UL); -+ eic_writel(eic, EDGE, 0UL); - -- sm->eim_chip = &eim_chip; -+ eic->chip = &eic_chip; - - for (i = 0; i < nr_irqs; i++) { - /* NOTE the handler we set here is ignored by the demux */ -- set_irq_chip_and_handler(sm->eim_first_irq + i, &eim_chip, -+ set_irq_chip_and_handler(eic->first_irq + i, &eic_chip, - handle_level_irq); -- set_irq_chip_data(sm->eim_first_irq + i, sm); -+ set_irq_chip_data(eic->first_irq + i, eic); - } - -- int_irq = platform_get_irq_byname(sm->pdev, "eim"); -- -- set_irq_chained_handler(int_irq, demux_eim_irq); -- set_irq_data(int_irq, sm); -+ set_irq_chained_handler(int_irq, demux_eic_irq); -+ set_irq_data(int_irq, eic); - -- printk("EIM: External Interrupt Module at 0x%p, IRQ %u\n", -- sm->regs, int_irq); -- printk("EIM: Handling %u external IRQs, starting with IRQ %u\n", -- nr_irqs, sm->eim_first_irq); -+ dev_info(&pdev->dev, -+ "External Interrupt Controller at 0x%p, IRQ %u\n", -+ eic->regs, int_irq); -+ dev_info(&pdev->dev, -+ "Handling %u external IRQs, starting with IRQ %u\n", -+ nr_irqs, eic->first_irq); - - return 0; -+ -+err_ioremap: -+ kfree(eic); -+err_kzalloc: -+ return ret; -+} -+ -+static struct platform_driver eic_driver = { -+ .driver = { -+ .name = "at32_eic", -+ }, -+}; -+ -+static int __init eic_init(void) -+{ -+ return platform_driver_probe(&eic_driver, eic_probe); - } --arch_initcall(eim_init); -+arch_initcall(eic_init); -diff --git a/arch/avr32/mach-at32ap/gpio-dev.c b/arch/avr32/mach-at32ap/gpio-dev.c -new file mode 100644 -index 0000000..3d4810d ---- /dev/null -+++ b/arch/avr32/mach-at32ap/gpio-dev.c -@@ -0,0 +1,570 @@ -+/* -+ * GPIO /dev and configfs interface -+ * -+ * Copyright (C) 2006-2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/configfs.h> -+#include <linux/cdev.h> -+#include <linux/fs.h> -+#include <linux/interrupt.h> -+#include <linux/poll.h> -+#include <linux/uaccess.h> -+#include <linux/wait.h> -+ -+#include <asm/gpio.h> -+#include <asm/arch/portmux.h> -+ -+#define GPIO_DEV_MAX 8 -+ -+static struct class *gpio_dev_class; -+static dev_t gpio_devt; -+ -+struct gpio_item { -+ spinlock_t lock; -+ -+ int enabled; -+ int initialized; -+ int port; -+ u32 pin_mask; -+ u32 oe_mask; -+ -+ /* Pin state last time we read it (for blocking reads) */ -+ u32 pin_state; -+ int changed; -+ -+ wait_queue_head_t change_wq; -+ struct fasync_struct *async_queue; -+ -+ int id; -+ struct class_device *gpio_dev; -+ struct cdev char_dev; -+ struct config_item item; -+}; -+ -+struct gpio_attribute { -+ struct configfs_attribute attr; -+ ssize_t (*show)(struct gpio_item *, char *); -+ ssize_t (*store)(struct gpio_item *, const char *, size_t); -+}; -+ -+static irqreturn_t gpio_dev_interrupt(int irq, void *dev_id) -+{ -+ struct gpio_item *gpio = dev_id; -+ u32 old_state, new_state; -+ -+ old_state = gpio->pin_state; -+ new_state = at32_gpio_get_value_multiple(gpio->port, gpio->pin_mask); -+ gpio->pin_state = new_state; -+ -+ if (new_state != old_state) { -+ gpio->changed = 1; -+ wake_up_interruptible(&gpio->change_wq); -+ -+ if (gpio->async_queue) -+ kill_fasync(&gpio->async_queue, SIGIO, POLL_IN); -+ } -+ -+ return IRQ_HANDLED; -+} -+ -+static int gpio_dev_open(struct inode *inode, struct file *file) -+{ -+ struct gpio_item *gpio = container_of(inode->i_cdev, -+ struct gpio_item, -+ char_dev); -+ unsigned int irq; -+ unsigned int i; -+ int ret; -+ -+ nonseekable_open(inode, file); -+ config_item_get(&gpio->item); -+ file->private_data = gpio; -+ -+ gpio->pin_state = at32_gpio_get_value_multiple(gpio->port, -+ gpio->pin_mask); -+ gpio->changed = 1; -+ -+ for (i = 0; i < 32; i++) { -+ if (gpio->pin_mask & (1 << i)) { -+ irq = gpio_to_irq(32 * gpio->port + i); -+ ret = request_irq(irq, gpio_dev_interrupt, 0, -+ "gpio-dev", gpio); -+ if (ret) -+ goto err_irq; -+ } -+ } -+ -+ return 0; -+ -+err_irq: -+ while (i--) { -+ if (gpio->pin_mask & (1 << i)) { -+ irq = gpio_to_irq(32 * gpio->port + i); -+ free_irq(irq, gpio); -+ } -+ } -+ -+ config_item_put(&gpio->item); -+ -+ return ret; -+} -+ -+static int gpio_dev_fasync(int fd, struct file *file, int mode) -+{ -+ struct gpio_item *gpio = file->private_data; -+ -+ return fasync_helper(fd, file, mode, &gpio->async_queue); -+} -+ -+static int gpio_dev_release(struct inode *inode, struct file *file) -+{ -+ struct gpio_item *gpio = file->private_data; -+ unsigned int irq; -+ unsigned int i; -+ -+ gpio_dev_fasync(-1, file, 0); -+ -+ for (i = 0; i < 32; i++) { -+ if (gpio->pin_mask & (1 << i)) { -+ irq = gpio_to_irq(32 * gpio->port + i); -+ free_irq(irq, gpio); -+ } -+ } -+ -+ config_item_put(&gpio->item); -+ -+ return 0; -+} -+ -+static unsigned int gpio_dev_poll(struct file *file, poll_table *wait) -+{ -+ struct gpio_item *gpio = file->private_data; -+ unsigned int mask = 0; -+ -+ poll_wait(file, &gpio->change_wq, wait); -+ if (gpio->changed) -+ mask |= POLLIN | POLLRDNORM; -+ -+ return mask; -+} -+ -+static ssize_t gpio_dev_read(struct file *file, char __user *buf, -+ size_t count, loff_t *offset) -+{ -+ struct gpio_item *gpio = file->private_data; -+ u32 value; -+ -+ spin_lock_irq(&gpio->lock); -+ while (!gpio->changed) { -+ spin_unlock_irq(&gpio->lock); -+ -+ if (file->f_flags & O_NONBLOCK) -+ return -EAGAIN; -+ -+ if (wait_event_interruptible(gpio->change_wq, gpio->changed)) -+ return -ERESTARTSYS; -+ -+ spin_lock_irq(&gpio->lock); -+ } -+ -+ gpio->changed = 0; -+ value = at32_gpio_get_value_multiple(gpio->port, gpio->pin_mask); -+ -+ spin_unlock_irq(&gpio->lock); -+ -+ count = min(count, (size_t)4); -+ if (copy_to_user(buf, &value, count)) -+ return -EFAULT; -+ -+ return count; -+} -+ -+static ssize_t gpio_dev_write(struct file *file, const char __user *buf, -+ size_t count, loff_t *offset) -+{ -+ struct gpio_item *gpio = file->private_data; -+ u32 value = 0; -+ u32 mask = ~0UL; -+ -+ count = min(count, (size_t)4); -+ if (copy_from_user(&value, buf, count)) -+ return -EFAULT; -+ -+ /* Assuming big endian */ -+ mask <<= (4 - count) * 8; -+ mask &= gpio->pin_mask; -+ -+ at32_gpio_set_value_multiple(gpio->port, value, mask); -+ -+ return count; -+} -+ -+static struct file_operations gpio_dev_fops = { -+ .owner = THIS_MODULE, -+ .llseek = no_llseek, -+ .open = gpio_dev_open, -+ .release = gpio_dev_release, -+ .fasync = gpio_dev_fasync, -+ .poll = gpio_dev_poll, -+ .read = gpio_dev_read, -+ .write = gpio_dev_write, -+}; -+ -+static struct gpio_item *to_gpio_item(struct config_item *item) -+{ -+ return item ? container_of(item, struct gpio_item, item) : NULL; -+} -+ -+static ssize_t gpio_show_gpio_id(struct gpio_item *gpio, char *page) -+{ -+ return sprintf(page, "%d\n", gpio->port); -+} -+ -+static ssize_t gpio_store_gpio_id(struct gpio_item *gpio, -+ const char *page, size_t count) -+{ -+ unsigned long id; -+ char *p = (char *)page; -+ ssize_t ret = -EINVAL; -+ -+ id = simple_strtoul(p, &p, 0); -+ if (!p || (*p && (*p != '\n'))) -+ return -EINVAL; -+ -+ /* Switching PIO is not allowed when live... */ -+ spin_lock(&gpio->lock); -+ if (!gpio->enabled) { -+ ret = -ENXIO; -+ if (at32_gpio_port_is_valid(id)) { -+ gpio->port = id; -+ ret = count; -+ } -+ } -+ spin_unlock(&gpio->lock); -+ -+ return ret; -+} -+ -+static ssize_t gpio_show_pin_mask(struct gpio_item *gpio, char *page) -+{ -+ return sprintf(page, "0x%08x\n", gpio->pin_mask); -+} -+ -+static ssize_t gpio_store_pin_mask(struct gpio_item *gpio, -+ const char *page, size_t count) -+{ -+ u32 new_mask; -+ char *p = (char *)page; -+ ssize_t ret = -EINVAL; -+ -+ new_mask = simple_strtoul(p, &p, 0); -+ if (!p || (*p && (*p != '\n'))) -+ return -EINVAL; -+ -+ /* Can't update the pin mask while live. */ -+ spin_lock(&gpio->lock); -+ if (!gpio->enabled) { -+ gpio->oe_mask &= new_mask; -+ gpio->pin_mask = new_mask; -+ ret = count; -+ } -+ spin_unlock(&gpio->lock); -+ -+ return ret; -+} -+ -+static ssize_t gpio_show_oe_mask(struct gpio_item *gpio, char *page) -+{ -+ return sprintf(page, "0x%08x\n", gpio->oe_mask); -+} -+ -+static ssize_t gpio_store_oe_mask(struct gpio_item *gpio, -+ const char *page, size_t count) -+{ -+ u32 mask; -+ char *p = (char *)page; -+ ssize_t ret = -EINVAL; -+ -+ mask = simple_strtoul(p, &p, 0); -+ if (!p || (*p && (*p != '\n'))) -+ return -EINVAL; -+ -+ spin_lock(&gpio->lock); -+ if (!gpio->enabled) { -+ gpio->oe_mask = mask & gpio->pin_mask; -+ ret = count; -+ } -+ spin_unlock(&gpio->lock); -+ -+ return ret; -+} -+ -+static ssize_t gpio_show_enabled(struct gpio_item *gpio, char *page) -+{ -+ return sprintf(page, "%d\n", gpio->enabled); -+} -+ -+static ssize_t gpio_store_enabled(struct gpio_item *gpio, -+ const char *page, size_t count) -+{ -+ char *p = (char *)page; -+ int enabled; -+ int ret; -+ -+ enabled = simple_strtoul(p, &p, 0); -+ if (!p || (*p && (*p != '\n'))) -+ return -EINVAL; -+ -+ /* make it a boolean value */ -+ enabled = !!enabled; -+ -+ if (gpio->enabled == enabled) -+ /* No change; do nothing. */ -+ return count; -+ -+ BUG_ON(gpio->id >= GPIO_DEV_MAX); -+ -+ if (!enabled) { -+ class_device_unregister(gpio->gpio_dev); -+ cdev_del(&gpio->char_dev); -+ at32_deselect_pins(gpio->port, gpio->pin_mask); -+ gpio->initialized = 0; -+ } else { -+ if (gpio->port < 0 || !gpio->pin_mask) -+ return -ENODEV; -+ } -+ -+ /* Disallow any updates to gpio_id or pin_mask */ -+ spin_lock(&gpio->lock); -+ gpio->enabled = enabled; -+ spin_unlock(&gpio->lock); -+ -+ if (!enabled) -+ return count; -+ -+ /* Now, try to allocate the pins */ -+ ret = at32_select_gpio_pins(gpio->port, gpio->pin_mask, gpio->oe_mask); -+ if (ret) -+ goto err_alloc_pins; -+ -+ gpio->initialized = 1; -+ -+ cdev_init(&gpio->char_dev, &gpio_dev_fops); -+ gpio->char_dev.owner = THIS_MODULE; -+ ret = cdev_add(&gpio->char_dev, MKDEV(MAJOR(gpio_devt), gpio->id), 1); -+ if (ret < 0) -+ goto err_cdev_add; -+ gpio->gpio_dev = class_device_create(gpio_dev_class, NULL, -+ MKDEV(MAJOR(gpio_devt), gpio->id), -+ NULL, -+ "gpio%d", gpio->id); -+ if (IS_ERR(gpio->gpio_dev)) { -+ printk(KERN_ERR "failed to create gpio%d\n", gpio->id); -+ ret = PTR_ERR(gpio->gpio_dev); -+ goto err_class_dev; -+ } -+ -+ printk(KERN_INFO "created gpio%d (port%d/0x%08x) as (%d:%d)\n", -+ gpio->id, gpio->port, gpio->pin_mask, -+ MAJOR(gpio->gpio_dev->devt), MINOR(gpio->gpio_dev->devt)); -+ -+ return 0; -+ -+err_class_dev: -+ cdev_del(&gpio->char_dev); -+err_cdev_add: -+ at32_deselect_pins(gpio->port, gpio->pin_mask); -+ gpio->initialized = 0; -+err_alloc_pins: -+ spin_lock(&gpio->lock); -+ gpio->enabled = 0; -+ spin_unlock(&gpio->lock); -+ -+ return ret; -+} -+ -+static struct gpio_attribute gpio_item_attr_gpio_id = { -+ .attr = { -+ .ca_owner = THIS_MODULE, -+ .ca_name = "gpio_id", -+ .ca_mode = S_IRUGO | S_IWUSR, -+ }, -+ .show = gpio_show_gpio_id, -+ .store = gpio_store_gpio_id, -+}; -+static struct gpio_attribute gpio_item_attr_pin_mask = { -+ .attr = { -+ .ca_owner = THIS_MODULE, -+ .ca_name = "pin_mask", -+ .ca_mode = S_IRUGO | S_IWUSR, -+ }, -+ .show = gpio_show_pin_mask, -+ .store = gpio_store_pin_mask, -+}; -+static struct gpio_attribute gpio_item_attr_oe_mask = { -+ .attr = { -+ .ca_owner = THIS_MODULE, -+ .ca_name = "oe_mask", -+ .ca_mode = S_IRUGO | S_IWUSR, -+ }, -+ .show = gpio_show_oe_mask, -+ .store = gpio_store_oe_mask, -+}; -+static struct gpio_attribute gpio_item_attr_enabled = { -+ .attr = { -+ .ca_owner = THIS_MODULE, -+ .ca_name = "enabled", -+ .ca_mode = S_IRUGO | S_IWUSR, -+ }, -+ .show = gpio_show_enabled, -+ .store = gpio_store_enabled, -+}; -+ -+static struct configfs_attribute *gpio_item_attrs[] = { -+ &gpio_item_attr_gpio_id.attr, -+ &gpio_item_attr_pin_mask.attr, -+ &gpio_item_attr_oe_mask.attr, -+ &gpio_item_attr_enabled.attr, -+ NULL, -+}; -+ -+static ssize_t gpio_show_attr(struct config_item *item, -+ struct configfs_attribute *attr, -+ char *page) -+{ -+ struct gpio_item *gpio_item = to_gpio_item(item); -+ struct gpio_attribute *gpio_attr -+ = container_of(attr, struct gpio_attribute, attr); -+ ssize_t ret = 0; -+ -+ if (gpio_attr->show) -+ ret = gpio_attr->show(gpio_item, page); -+ return ret; -+} -+ -+static ssize_t gpio_store_attr(struct config_item *item, -+ struct configfs_attribute *attr, -+ const char *page, size_t count) -+{ -+ struct gpio_item *gpio_item = to_gpio_item(item); -+ struct gpio_attribute *gpio_attr -+ = container_of(attr, struct gpio_attribute, attr); -+ ssize_t ret = -EINVAL; -+ -+ if (gpio_attr->store) -+ ret = gpio_attr->store(gpio_item, page, count); -+ return ret; -+} -+ -+static void gpio_release(struct config_item *item) -+{ -+ kfree(to_gpio_item(item)); -+} -+ -+static struct configfs_item_operations gpio_item_ops = { -+ .release = gpio_release, -+ .show_attribute = gpio_show_attr, -+ .store_attribute = gpio_store_attr, -+}; -+ -+static struct config_item_type gpio_item_type = { -+ .ct_item_ops = &gpio_item_ops, -+ .ct_attrs = gpio_item_attrs, -+ .ct_owner = THIS_MODULE, -+}; -+ -+static struct config_item *gpio_make_item(struct config_group *group, -+ const char *name) -+{ -+ static int next_id; -+ struct gpio_item *gpio; -+ -+ if (next_id >= GPIO_DEV_MAX) -+ return NULL; -+ -+ gpio = kzalloc(sizeof(struct gpio_item), GFP_KERNEL); -+ if (!gpio) -+ return NULL; -+ -+ gpio->id = next_id++; -+ config_item_init_type_name(&gpio->item, name, &gpio_item_type); -+ spin_lock_init(&gpio->lock); -+ init_waitqueue_head(&gpio->change_wq); -+ -+ return &gpio->item; -+} -+ -+static void gpio_drop_item(struct config_group *group, -+ struct config_item *item) -+{ -+ struct gpio_item *gpio = to_gpio_item(item); -+ -+ spin_lock(&gpio->lock); -+ if (gpio->enabled) { -+ class_device_unregister(gpio->gpio_dev); -+ cdev_del(&gpio->char_dev); -+ } -+ -+ if (gpio->initialized) { -+ at32_deselect_pins(gpio->port, gpio->pin_mask); -+ gpio->initialized = 0; -+ gpio->enabled = 0; -+ } -+ spin_unlock(&gpio->lock); -+} -+ -+static struct configfs_group_operations gpio_group_ops = { -+ .make_item = gpio_make_item, -+ .drop_item = gpio_drop_item, -+}; -+ -+static struct config_item_type gpio_group_type = { -+ .ct_group_ops = &gpio_group_ops, -+ .ct_owner = THIS_MODULE, -+}; -+ -+static struct configfs_subsystem gpio_subsys = { -+ .su_group = { -+ .cg_item = { -+ .ci_namebuf = "gpio", -+ .ci_type = &gpio_group_type, -+ }, -+ }, -+}; -+ -+static int __init gpio_dev_init(void) -+{ -+ int err; -+ -+ gpio_dev_class = class_create(THIS_MODULE, "gpio-dev"); -+ if (IS_ERR(gpio_dev_class)) { -+ err = PTR_ERR(gpio_dev_class); -+ goto err_class_create; -+ } -+ -+ err = alloc_chrdev_region(&gpio_devt, 0, GPIO_DEV_MAX, "gpio"); -+ if (err < 0) -+ goto err_alloc_chrdev; -+ -+ /* Configfs initialization */ -+ config_group_init(&gpio_subsys.su_group); -+ init_MUTEX(&gpio_subsys.su_sem); -+ err = configfs_register_subsystem(&gpio_subsys); -+ if (err) -+ goto err_register_subsys; -+ -+ return 0; -+ -+err_register_subsys: -+ unregister_chrdev_region(gpio_devt, GPIO_DEV_MAX); -+err_alloc_chrdev: -+ class_destroy(gpio_dev_class); -+err_class_create: -+ printk(KERN_WARNING "Failed to initialize gpio /dev interface\n"); -+ return err; -+} -+late_initcall(gpio_dev_init); -diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c -index 1eb99b8..153bb9a 100644 ---- a/arch/avr32/mach-at32ap/pio.c -+++ b/arch/avr32/mach-at32ap/pio.c -@@ -158,6 +158,82 @@ fail: - dump_stack(); - } - -+#ifdef CONFIG_GPIO_DEV -+ -+/* Gang allocators and accessors; used by the GPIO /dev driver */ -+int at32_gpio_port_is_valid(unsigned int port) -+{ -+ return port < MAX_NR_PIO_DEVICES && pio_dev[port].regs != NULL; -+} -+ -+int at32_select_gpio_pins(unsigned int port, u32 pins, u32 oe_mask) -+{ -+ struct pio_device *pio; -+ u32 old, new; -+ -+ pio = &pio_dev[port]; -+ BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs || (oe_mask & ~pins)); -+ -+ /* Try to allocate the pins */ -+ do { -+ old = pio->pinmux_mask; -+ if (old & pins) -+ return -EBUSY; -+ -+ new = old | pins; -+ } while (cmpxchg(&pio->pinmux_mask, old, new) != old); -+ -+ /* That went well, now configure the port */ -+ pio_writel(pio, OER, oe_mask); -+ pio_writel(pio, PER, pins); -+ -+ return 0; -+} -+ -+void at32_deselect_pins(unsigned int port, u32 pins) -+{ -+ struct pio_device *pio; -+ u32 old, new; -+ -+ pio = &pio_dev[port]; -+ BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs); -+ -+ /* Return to a "safe" mux configuration */ -+ pio_writel(pio, PUER, pins); -+ pio_writel(pio, ODR, pins); -+ -+ /* Deallocate the pins */ -+ do { -+ old = pio->pinmux_mask; -+ new = old & ~pins; -+ } while (cmpxchg(&pio->pinmux_mask, old, new) != old); -+} -+ -+u32 at32_gpio_get_value_multiple(unsigned int port, u32 pins) -+{ -+ struct pio_device *pio; -+ -+ pio = &pio_dev[port]; -+ BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs); -+ -+ return pio_readl(pio, PDSR) & pins; -+} -+ -+void at32_gpio_set_value_multiple(unsigned int port, u32 value, u32 mask) -+{ -+ struct pio_device *pio; -+ -+ pio = &pio_dev[port]; -+ BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs); -+ -+ /* No atomic updates for now... */ -+ pio_writel(pio, CODR, ~value & mask); -+ pio_writel(pio, SODR, value & mask); -+} -+ -+#endif /* CONFIG_GPIO_DEV */ -+ -+ - /*--------------------------------------------------------------------------*/ - - /* GPIO API */ -diff --git a/arch/avr32/mach-at32ap/pm.h b/arch/avr32/mach-at32ap/pm.h -new file mode 100644 -index 0000000..a1f8ace ---- /dev/null -+++ b/arch/avr32/mach-at32ap/pm.h -@@ -0,0 +1,112 @@ -+/* -+ * Register definitions for the Power Manager (PM) -+ */ -+#ifndef __ARCH_AVR32_MACH_AT32AP_PM_H__ -+#define __ARCH_AVR32_MACH_AT32AP_PM_H__ -+ -+/* PM register offsets */ -+#define PM_MCCTRL 0x0000 -+#define PM_CKSEL 0x0004 -+#define PM_CPU_MASK 0x0008 -+#define PM_HSB_MASK 0x000c -+#define PM_PBA_MASK 0x0010 -+#define PM_PBB_MASK 0x0014 -+#define PM_PLL0 0x0020 -+#define PM_PLL1 0x0024 -+#define PM_IER 0x0040 -+#define PM_IDR 0x0044 -+#define PM_IMR 0x0048 -+#define PM_ISR 0x004c -+#define PM_ICR 0x0050 -+#define PM_GCCTRL(x) (0x0060 + 4 * (x)) -+#define PM_RCAUSE 0x00c0 -+ -+/* Bitfields in CKSEL */ -+#define PM_CPUSEL_OFFSET 0 -+#define PM_CPUSEL_SIZE 3 -+#define PM_CPUDIV_OFFSET 7 -+#define PM_CPUDIV_SIZE 1 -+#define PM_HSBSEL_OFFSET 8 -+#define PM_HSBSEL_SIZE 3 -+#define PM_HSBDIV_OFFSET 15 -+#define PM_HSBDIV_SIZE 1 -+#define PM_PBASEL_OFFSET 16 -+#define PM_PBASEL_SIZE 3 -+#define PM_PBADIV_OFFSET 23 -+#define PM_PBADIV_SIZE 1 -+#define PM_PBBSEL_OFFSET 24 -+#define PM_PBBSEL_SIZE 3 -+#define PM_PBBDIV_OFFSET 31 -+#define PM_PBBDIV_SIZE 1 -+ -+/* Bitfields in PLL0 */ -+#define PM_PLLEN_OFFSET 0 -+#define PM_PLLEN_SIZE 1 -+#define PM_PLLOSC_OFFSET 1 -+#define PM_PLLOSC_SIZE 1 -+#define PM_PLLOPT_OFFSET 2 -+#define PM_PLLOPT_SIZE 3 -+#define PM_PLLDIV_OFFSET 8 -+#define PM_PLLDIV_SIZE 8 -+#define PM_PLLMUL_OFFSET 16 -+#define PM_PLLMUL_SIZE 8 -+#define PM_PLLCOUNT_OFFSET 24 -+#define PM_PLLCOUNT_SIZE 6 -+#define PM_PLLTEST_OFFSET 31 -+#define PM_PLLTEST_SIZE 1 -+ -+/* Bitfields in ICR */ -+#define PM_LOCK0_OFFSET 0 -+#define PM_LOCK0_SIZE 1 -+#define PM_LOCK1_OFFSET 1 -+#define PM_LOCK1_SIZE 1 -+#define PM_WAKE_OFFSET 2 -+#define PM_WAKE_SIZE 1 -+#define PM_CKRDY_OFFSET 5 -+#define PM_CKRDY_SIZE 1 -+#define PM_MSKRDY_OFFSET 6 -+#define PM_MSKRDY_SIZE 1 -+ -+/* Bitfields in GCCTRL0 */ -+#define PM_OSCSEL_OFFSET 0 -+#define PM_OSCSEL_SIZE 1 -+#define PM_PLLSEL_OFFSET 1 -+#define PM_PLLSEL_SIZE 1 -+#define PM_CEN_OFFSET 2 -+#define PM_CEN_SIZE 1 -+#define PM_DIVEN_OFFSET 4 -+#define PM_DIVEN_SIZE 1 -+#define PM_DIV_OFFSET 8 -+#define PM_DIV_SIZE 8 -+ -+/* Bitfields in RCAUSE */ -+#define PM_POR_OFFSET 0 -+#define PM_POR_SIZE 1 -+#define PM_EXT_OFFSET 2 -+#define PM_EXT_SIZE 1 -+#define PM_WDT_OFFSET 3 -+#define PM_WDT_SIZE 1 -+#define PM_NTAE_OFFSET 4 -+#define PM_NTAE_SIZE 1 -+ -+/* Bit manipulation macros */ -+#define PM_BIT(name) \ -+ (1 << PM_##name##_OFFSET) -+#define PM_BF(name,value) \ -+ (((value) & ((1 << PM_##name##_SIZE) - 1)) \ -+ << PM_##name##_OFFSET) -+#define PM_BFEXT(name,value) \ -+ (((value) >> PM_##name##_OFFSET) \ -+ & ((1 << PM_##name##_SIZE) - 1)) -+#define PM_BFINS(name,value,old)\ -+ (((old) & ~(((1 << PM_##name##_SIZE) - 1) \ -+ << PM_##name##_OFFSET)) \ -+ | PM_BF(name,value)) -+ -+/* Register access macros */ -+#define pm_readl(reg) \ -+ __raw_readl((void __iomem *)AT32_PM_BASE + PM_##reg) -+#define pm_writel(reg,value) \ -+ __raw_writel((value), (void __iomem *)AT32_PM_BASE + PM_##reg) -+ -+#endif /* __ARCH_AVR32_MACH_AT32AP_PM_H__ */ -diff --git a/arch/avr32/mach-at32ap/sm.h b/arch/avr32/mach-at32ap/sm.h -deleted file mode 100644 -index cad02b5..0000000 ---- a/arch/avr32/mach-at32ap/sm.h -+++ /dev/null -@@ -1,242 +0,0 @@ --/* -- * Register definitions for SM -- * -- * System Manager -- */ --#ifndef __ASM_AVR32_SM_H__ --#define __ASM_AVR32_SM_H__ -- --/* SM register offsets */ --#define SM_PM_MCCTRL 0x0000 --#define SM_PM_CKSEL 0x0004 --#define SM_PM_CPU_MASK 0x0008 --#define SM_PM_HSB_MASK 0x000c --#define SM_PM_PBA_MASK 0x0010 --#define SM_PM_PBB_MASK 0x0014 --#define SM_PM_PLL0 0x0020 --#define SM_PM_PLL1 0x0024 --#define SM_PM_VCTRL 0x0030 --#define SM_PM_VMREF 0x0034 --#define SM_PM_VMV 0x0038 --#define SM_PM_IER 0x0040 --#define SM_PM_IDR 0x0044 --#define SM_PM_IMR 0x0048 --#define SM_PM_ISR 0x004c --#define SM_PM_ICR 0x0050 --#define SM_PM_GCCTRL 0x0060 --#define SM_RTC_CTRL 0x0080 --#define SM_RTC_VAL 0x0084 --#define SM_RTC_TOP 0x0088 --#define SM_RTC_IER 0x0090 --#define SM_RTC_IDR 0x0094 --#define SM_RTC_IMR 0x0098 --#define SM_RTC_ISR 0x009c --#define SM_RTC_ICR 0x00a0 --#define SM_WDT_CTRL 0x00b0 --#define SM_WDT_CLR 0x00b4 --#define SM_WDT_EXT 0x00b8 --#define SM_RC_RCAUSE 0x00c0 --#define SM_EIM_IER 0x0100 --#define SM_EIM_IDR 0x0104 --#define SM_EIM_IMR 0x0108 --#define SM_EIM_ISR 0x010c --#define SM_EIM_ICR 0x0110 --#define SM_EIM_MODE 0x0114 --#define SM_EIM_EDGE 0x0118 --#define SM_EIM_LEVEL 0x011c --#define SM_EIM_TEST 0x0120 --#define SM_EIM_NMIC 0x0124 -- --/* Bitfields in PM_MCCTRL */ -- --/* Bitfields in PM_CKSEL */ --#define SM_CPUSEL_OFFSET 0 --#define SM_CPUSEL_SIZE 3 --#define SM_CPUDIV_OFFSET 7 --#define SM_CPUDIV_SIZE 1 --#define SM_HSBSEL_OFFSET 8 --#define SM_HSBSEL_SIZE 3 --#define SM_HSBDIV_OFFSET 15 --#define SM_HSBDIV_SIZE 1 --#define SM_PBASEL_OFFSET 16 --#define SM_PBASEL_SIZE 3 --#define SM_PBADIV_OFFSET 23 --#define SM_PBADIV_SIZE 1 --#define SM_PBBSEL_OFFSET 24 --#define SM_PBBSEL_SIZE 3 --#define SM_PBBDIV_OFFSET 31 --#define SM_PBBDIV_SIZE 1 -- --/* Bitfields in PM_CPU_MASK */ -- --/* Bitfields in PM_HSB_MASK */ -- --/* Bitfields in PM_PBA_MASK */ -- --/* Bitfields in PM_PBB_MASK */ -- --/* Bitfields in PM_PLL0 */ --#define SM_PLLEN_OFFSET 0 --#define SM_PLLEN_SIZE 1 --#define SM_PLLOSC_OFFSET 1 --#define SM_PLLOSC_SIZE 1 --#define SM_PLLOPT_OFFSET 2 --#define SM_PLLOPT_SIZE 3 --#define SM_PLLDIV_OFFSET 8 --#define SM_PLLDIV_SIZE 8 --#define SM_PLLMUL_OFFSET 16 --#define SM_PLLMUL_SIZE 8 --#define SM_PLLCOUNT_OFFSET 24 --#define SM_PLLCOUNT_SIZE 6 --#define SM_PLLTEST_OFFSET 31 --#define SM_PLLTEST_SIZE 1 -- --/* Bitfields in PM_PLL1 */ -- --/* Bitfields in PM_VCTRL */ --#define SM_VAUTO_OFFSET 0 --#define SM_VAUTO_SIZE 1 --#define SM_PM_VCTRL_VAL_OFFSET 8 --#define SM_PM_VCTRL_VAL_SIZE 7 -- --/* Bitfields in PM_VMREF */ --#define SM_REFSEL_OFFSET 0 --#define SM_REFSEL_SIZE 4 -- --/* Bitfields in PM_VMV */ --#define SM_PM_VMV_VAL_OFFSET 0 --#define SM_PM_VMV_VAL_SIZE 8 -- --/* Bitfields in PM_IER */ -- --/* Bitfields in PM_IDR */ -- --/* Bitfields in PM_IMR */ -- --/* Bitfields in PM_ISR */ -- --/* Bitfields in PM_ICR */ --#define SM_LOCK0_OFFSET 0 --#define SM_LOCK0_SIZE 1 --#define SM_LOCK1_OFFSET 1 --#define SM_LOCK1_SIZE 1 --#define SM_WAKE_OFFSET 2 --#define SM_WAKE_SIZE 1 --#define SM_VOK_OFFSET 3 --#define SM_VOK_SIZE 1 --#define SM_VMRDY_OFFSET 4 --#define SM_VMRDY_SIZE 1 --#define SM_CKRDY_OFFSET 5 --#define SM_CKRDY_SIZE 1 -- --/* Bitfields in PM_GCCTRL */ --#define SM_OSCSEL_OFFSET 0 --#define SM_OSCSEL_SIZE 1 --#define SM_PLLSEL_OFFSET 1 --#define SM_PLLSEL_SIZE 1 --#define SM_CEN_OFFSET 2 --#define SM_CEN_SIZE 1 --#define SM_CPC_OFFSET 3 --#define SM_CPC_SIZE 1 --#define SM_DIVEN_OFFSET 4 --#define SM_DIVEN_SIZE 1 --#define SM_DIV_OFFSET 8 --#define SM_DIV_SIZE 8 -- --/* Bitfields in RTC_CTRL */ --#define SM_PCLR_OFFSET 1 --#define SM_PCLR_SIZE 1 --#define SM_TOPEN_OFFSET 2 --#define SM_TOPEN_SIZE 1 --#define SM_CLKEN_OFFSET 3 --#define SM_CLKEN_SIZE 1 --#define SM_PSEL_OFFSET 8 --#define SM_PSEL_SIZE 16 -- --/* Bitfields in RTC_VAL */ --#define SM_RTC_VAL_VAL_OFFSET 0 --#define SM_RTC_VAL_VAL_SIZE 31 -- --/* Bitfields in RTC_TOP */ --#define SM_RTC_TOP_VAL_OFFSET 0 --#define SM_RTC_TOP_VAL_SIZE 32 -- --/* Bitfields in RTC_IER */ -- --/* Bitfields in RTC_IDR */ -- --/* Bitfields in RTC_IMR */ -- --/* Bitfields in RTC_ISR */ -- --/* Bitfields in RTC_ICR */ --#define SM_TOPI_OFFSET 0 --#define SM_TOPI_SIZE 1 -- --/* Bitfields in WDT_CTRL */ --#define SM_KEY_OFFSET 24 --#define SM_KEY_SIZE 8 -- --/* Bitfields in WDT_CLR */ -- --/* Bitfields in WDT_EXT */ -- --/* Bitfields in RC_RCAUSE */ --#define SM_POR_OFFSET 0 --#define SM_POR_SIZE 1 --#define SM_BOD_OFFSET 1 --#define SM_BOD_SIZE 1 --#define SM_EXT_OFFSET 2 --#define SM_EXT_SIZE 1 --#define SM_WDT_OFFSET 3 --#define SM_WDT_SIZE 1 --#define SM_NTAE_OFFSET 4 --#define SM_NTAE_SIZE 1 --#define SM_SERP_OFFSET 5 --#define SM_SERP_SIZE 1 -- --/* Bitfields in EIM_IER */ -- --/* Bitfields in EIM_IDR */ -- --/* Bitfields in EIM_IMR */ -- --/* Bitfields in EIM_ISR */ -- --/* Bitfields in EIM_ICR */ -- --/* Bitfields in EIM_MODE */ -- --/* Bitfields in EIM_EDGE */ --#define SM_INT0_OFFSET 0 --#define SM_INT0_SIZE 1 --#define SM_INT1_OFFSET 1 --#define SM_INT1_SIZE 1 --#define SM_INT2_OFFSET 2 --#define SM_INT2_SIZE 1 --#define SM_INT3_OFFSET 3 --#define SM_INT3_SIZE 1 -- --/* Bitfields in EIM_LEVEL */ -- --/* Bitfields in EIM_TEST */ --#define SM_TESTEN_OFFSET 31 --#define SM_TESTEN_SIZE 1 -- --/* Bitfields in EIM_NMIC */ --#define SM_EN_OFFSET 0 --#define SM_EN_SIZE 1 -- --/* Bit manipulation macros */ --#define SM_BIT(name) (1 << SM_##name##_OFFSET) --#define SM_BF(name,value) (((value) & ((1 << SM_##name##_SIZE) - 1)) << SM_##name##_OFFSET) --#define SM_BFEXT(name,value) (((value) >> SM_##name##_OFFSET) & ((1 << SM_##name##_SIZE) - 1)) --#define SM_BFINS(name,value,old) (((old) & ~(((1 << SM_##name##_SIZE) - 1) << SM_##name##_OFFSET)) | SM_BF(name,value)) -- --/* Register access macros */ --#define sm_readl(port,reg) \ -- __raw_readl((port)->regs + SM_##reg) --#define sm_writel(port,reg,value) \ -- __raw_writel((value), (port)->regs + SM_##reg) -- --#endif /* __ASM_AVR32_SM_H__ */ -diff --git a/arch/avr32/mm/dma-coherent.c b/arch/avr32/mm/dma-coherent.c -index 099212d..26f29c6 100644 ---- a/arch/avr32/mm/dma-coherent.c -+++ b/arch/avr32/mm/dma-coherent.c -@@ -41,6 +41,13 @@ static struct page *__dma_alloc(struct device *dev, size_t size, - struct page *page, *free, *end; - int order; - -+ /* Following is a work-around (a.k.a. hack) to prevent pages -+ * with __GFP_COMP being passed to split_page() which cannot -+ * handle them. The real problem is that this flag probably -+ * should be 0 on AVR32 as it is not supported on this -+ * platform--see CONFIG_HUGETLB_PAGE. */ -+ gfp &= ~(__GFP_COMP); -+ - size = PAGE_ALIGN(size); - order = get_order(size); - -diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig -index 53f5538..520afb8 100644 ---- a/drivers/char/watchdog/Kconfig -+++ b/drivers/char/watchdog/Kconfig -@@ -187,6 +187,26 @@ config PNX4008_WATCHDOG - - Say N if you are unsure. - -+# AVR32 Architecture -+ -+config AT32AP700X_WDT -+ tristate "AT32AP700x watchdog" -+ depends on WATCHDOG && CPU_AT32AP7000 -+ help -+ Watchdog timer embedded into AT32AP700x devices. This will reboot -+ your system when the timeout is reached. -+ -+config AT32AP700X_WDT_TIMEOUT -+ int "Timeout value for AT32AP700x watchdog" -+ depends on AT32AP700X_WDT -+ default "2" -+ range 1 2 -+ help -+ Sets the timeout value for the watchdog in AT32AP700x devices. -+ Limited by hardware to be 1 or 2 seconds. -+ -+ Set to 2 seconds by default. -+ - # X86 (i386 + ia64 + x86_64) Architecture - - config ACQUIRE_WDT -diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile -index d90f649..3907ec0 100644 ---- a/drivers/char/watchdog/Makefile -+++ b/drivers/char/watchdog/Makefile -@@ -36,6 +36,9 @@ obj-$(CONFIG_MPCORE_WATCHDOG) += mpcore_wdt.o - obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o - obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o - -+# AVR32 Architecture -+obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o -+ - # X86 (i386 + ia64 + x86_64) Architecture - obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o - obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o -diff --git a/drivers/char/watchdog/at32ap700x_wdt.c b/drivers/char/watchdog/at32ap700x_wdt.c -new file mode 100644 -index 0000000..9b598d9 ---- /dev/null -+++ b/drivers/char/watchdog/at32ap700x_wdt.c -@@ -0,0 +1,325 @@ -+/* -+ * Watchdog driver for Atmel AT32AP700X devices -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/init.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/miscdevice.h> -+#include <linux/fs.h> -+#include <linux/platform_device.h> -+#include <linux/watchdog.h> -+#include <linux/uaccess.h> -+#include <linux/io.h> -+ -+#define TIMEOUT_MIN 1 -+#define TIMEOUT_DEFAULT CONFIG_AT32AP700X_WDT_TIMEOUT -+#define TIMEOUT_MAX 2 -+ -+/* Watchdog registers and write/read macro */ -+#define WDT_CTRL 0x00 -+#define WDT_CTRL_EN 0 -+#define WDT_CTRL_PSEL 8 -+#define WDT_CTRL_KEY 24 -+ -+#define WDT_CLR 0x04 -+ -+#define WDT_BIT(name) (1 << WDT_##name) -+#define WDT_BF(name,value) ((value) << WDT_##name) -+ -+#define wdt_readl(dev,reg) \ -+ __raw_readl((dev)->regs + WDT_##reg) -+#define wdt_writel(dev,reg,value) \ -+ __raw_writel((value), (dev)->regs + WDT_##reg) -+ -+struct wdt_at32ap700x { -+ void __iomem *regs; -+ int timeout; -+ int users; -+ struct miscdevice miscdev; -+}; -+ -+static struct wdt_at32ap700x *wdt; -+ -+/* -+ * Disable the watchdog. -+ */ -+static void inline at32_wdt_stop(void) -+{ -+ unsigned long psel = wdt_readl(wdt, CTRL) & WDT_BF(CTRL_PSEL, 0x0f); -+ wdt_writel(wdt, CTRL, psel | WDT_BF(CTRL_KEY, 0x55)); -+ wdt_writel(wdt, CTRL, psel | WDT_BF(CTRL_KEY, 0xaa)); -+} -+ -+/* -+ * Enable and reset the watchdog. -+ */ -+static void inline at32_wdt_start(void) -+{ -+ /* 0xf is 2^16 divider = 2 sec, 0xe is 2^15 divider = 1 sec */ -+ unsigned long psel = (wdt->timeout > 1) ? 0xf : 0xe; -+ -+ wdt_writel(wdt, CTRL, WDT_BIT(CTRL_EN) -+ | WDT_BF(CTRL_PSEL, psel) -+ | WDT_BF(CTRL_KEY, 0x55)); -+ wdt_writel(wdt, CTRL, WDT_BIT(CTRL_EN) -+ | WDT_BF(CTRL_PSEL, psel) -+ | WDT_BF(CTRL_KEY, 0xaa)); -+} -+ -+/* -+ * Pat the watchdog timer. -+ */ -+static void inline at32_wdt_pat(void) -+{ -+ wdt_writel(wdt, CLR, 0x42); -+} -+ -+/* -+ * Watchdog device is opened, and watchdog starts running. -+ */ -+static int at32_wdt_open(struct inode *inode, struct file *file) -+{ -+ if (test_and_set_bit(1, &wdt->users)) -+ return -EBUSY; -+ -+ at32_wdt_start(); -+ return nonseekable_open(inode, file); -+} -+ -+/* -+ * Close the watchdog device. If CONFIG_WATCHDOG_NOWAYOUT is _not_ defined then -+ * the watchdog is also disabled. -+ */ -+static int at32_wdt_close(struct inode *inode, struct file *file) -+{ -+#ifndef CONFIG_WATCHDOG_NOWAYOUT -+ at32_wdt_stop(); -+#endif -+ clear_bit(1, &wdt->users); -+ return 0; -+} -+ -+/* -+ * Change the watchdog time interval. -+ */ -+static int at32_wdt_settimeout(int time) -+{ -+ /* -+ * All counting occurs at 1 / SLOW_CLOCK (32 kHz) and max prescaler is -+ * 2 ^ 16 allowing up to 2 seconds timeout. -+ */ -+ if ((time < TIMEOUT_MIN) || (time > TIMEOUT_MAX)) -+ return -EINVAL; -+ -+ /* -+ * Set new watchdog time. It will be used when at32_wdt_start() is -+ * called. -+ */ -+ wdt->timeout = time; -+ return 0; -+} -+ -+static struct watchdog_info at32_wdt_info = { -+ .identity = "at32ap700x watchdog", -+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, -+}; -+ -+/* -+ * Handle commands from user-space. -+ */ -+static int at32_wdt_ioctl(struct inode *inode, struct file *file, -+ unsigned int cmd, unsigned long arg) -+{ -+ int ret = -ENOTTY; -+ int time; -+ void __user *argp = (void __user *)arg; -+ int __user *p = argp; -+ -+ switch (cmd) { -+ case WDIOC_KEEPALIVE: -+ at32_wdt_pat(); -+ ret = 0; -+ break; -+ case WDIOC_GETSUPPORT: -+ ret = copy_to_user(argp, &at32_wdt_info, -+ sizeof(at32_wdt_info)) ? -EFAULT : 0; -+ break; -+ case WDIOC_SETTIMEOUT: -+ ret = get_user(time, p); -+ if (ret) -+ break; -+ ret = at32_wdt_settimeout(time); -+ if (ret) -+ break; -+ /* Enable new time value */ -+ at32_wdt_start(); -+ /* fall through */ -+ case WDIOC_GETTIMEOUT: -+ ret = put_user(wdt->timeout, p); -+ break; -+ case WDIOC_GETSTATUS: /* fall through */ -+ case WDIOC_GETBOOTSTATUS: -+ ret = put_user(0, p); -+ break; -+ case WDIOC_SETOPTIONS: -+ ret = get_user(time, p); -+ if (ret) -+ break; -+ if (time & WDIOS_DISABLECARD) -+ at32_wdt_stop(); -+ if (time & WDIOS_ENABLECARD) -+ at32_wdt_start(); -+ ret = 0; -+ break; -+ } -+ -+ return ret; -+} -+ -+static ssize_t at32_wdt_write(struct file *file, const char *data, size_t len, -+ loff_t *ppos) -+{ -+ at32_wdt_pat(); -+ return len; -+} -+ -+static const struct file_operations at32_wdt_fops = { -+ .owner = THIS_MODULE, -+ .llseek = no_llseek, -+ .ioctl = at32_wdt_ioctl, -+ .open = at32_wdt_open, -+ .release = at32_wdt_close, -+ .write = at32_wdt_write, -+}; -+ -+static int __init at32_wdt_probe(struct platform_device *pdev) -+{ -+ struct resource *regs; -+ int ret; -+ -+ if (wdt) { -+ dev_dbg(&pdev->dev, "only 1 wdt instance supported.\n"); -+ return -EBUSY; -+ } -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) { -+ dev_dbg(&pdev->dev, "missing mmio resource\n"); -+ return -ENXIO; -+ } -+ -+ wdt = kzalloc(sizeof(struct wdt_at32ap700x), GFP_KERNEL); -+ if (!wdt) { -+ dev_dbg(&pdev->dev, "no memory for wdt structure\n"); -+ return -ENOMEM; -+ } -+ -+ wdt->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!wdt->regs) { -+ ret = -ENOMEM; -+ dev_dbg(&pdev->dev, "could not map I/O memory\n"); -+ goto err_free; -+ } -+ wdt->users = 0; -+ wdt->miscdev.minor = WATCHDOG_MINOR; -+ wdt->miscdev.name = "watchdog"; -+ wdt->miscdev.fops = &at32_wdt_fops; -+ -+ if (at32_wdt_settimeout(TIMEOUT_DEFAULT)) { -+ at32_wdt_settimeout(TIMEOUT_MAX); -+ dev_dbg(&pdev->dev, -+ "default timeout invalid, set to %d sec.\n", -+ TIMEOUT_MAX); -+ } -+ -+ ret = misc_register(&wdt->miscdev); -+ if (ret) { -+ dev_dbg(&pdev->dev, "failed to register wdt miscdev\n"); -+ goto err_iounmap; -+ } -+ -+ platform_set_drvdata(pdev, wdt); -+ wdt->miscdev.parent = &pdev->dev; -+ dev_info(&pdev->dev, "AT32AP700X WDT at 0x%p\n", wdt->regs); -+ -+ return 0; -+ -+err_iounmap: -+ iounmap(wdt->regs); -+err_free: -+ kfree(wdt); -+ wdt = NULL; -+ return ret; -+} -+ -+static int __exit at32_wdt_remove(struct platform_device *pdev) -+{ -+ if (wdt && platform_get_drvdata(pdev) == wdt) { -+ misc_deregister(&wdt->miscdev); -+ iounmap(wdt->regs); -+ kfree(wdt); -+ wdt = NULL; -+ platform_set_drvdata(pdev, NULL); -+ } -+ -+ return 0; -+} -+ -+static void at32_wdt_shutdown(struct platform_device *pdev) -+{ -+ at32_wdt_stop(); -+} -+ -+#ifdef CONFIG_PM -+static int at32_wdt_suspend(struct platform_device *pdev, pm_message_t message) -+{ -+ at32_wdt_stop(); -+ return 0; -+} -+ -+static int at32_wdt_resume(struct platform_device *pdev) -+{ -+ if (wdt->users) -+ at32_wdt_start(); -+ return 0; -+} -+#else -+#define at32_wdt_suspend NULL -+#define at32_wdt_resume NULL -+#endif -+ -+static struct platform_driver at32_wdt_driver = { -+ .remove = __exit_p(at32_wdt_remove), -+ .suspend = at32_wdt_suspend, -+ .resume = at32_wdt_resume, -+ .driver = { -+ .name = "at32_wdt", -+ .owner = THIS_MODULE, -+ }, -+ .shutdown = at32_wdt_shutdown, -+}; -+ -+static int __init at32_wdt_init(void) -+{ -+ return platform_driver_probe(&at32_wdt_driver, at32_wdt_probe); -+} -+module_init(at32_wdt_init); -+ -+static void __exit at32_wdt_exit(void) -+{ -+ platform_driver_unregister(&at32_wdt_driver); -+} -+module_exit(at32_wdt_exit); -+ -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -+MODULE_DESCRIPTION("Watchdog driver for Atmel AT32AP700X"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); -diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig -index 838dc1c..80da12d 100644 ---- a/drivers/i2c/busses/Kconfig -+++ b/drivers/i2c/busses/Kconfig -@@ -4,6 +4,26 @@ - - menu "I2C Hardware Bus support" - -+config I2C_ATMELTWI -+ tristate "Atmel TWI/I2C" -+ depends on I2C -+ help -+ Atmel on-chip TWI controller. Say Y if you have an AT32 or -+ AT91-based device and want to use its built-in TWI -+ functionality. Atmel's TWI is compatible with Philips' I2C -+ protocol. If in doubt, say NO -+ -+config I2C_ATMELTWI_BAUDRATE -+ prompt "Atmel TWI baudrate" -+ depends on I2C_ATMELTWI -+ int -+ default 100000 -+ help -+ Set the TWI/I2C baudrate. This will alter the default value. A -+ different baudrate can be set by using a module parameter as well. If -+ no parameter is provided when loading, this is the value that will be -+ used. -+ - config I2C_ALI1535 - tristate "ALI 1535" - depends on PCI -diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile -index 14d1432..fd7c3b3 100644 ---- a/drivers/i2c/busses/Makefile -+++ b/drivers/i2c/busses/Makefile -@@ -52,6 +52,7 @@ obj-$(CONFIG_I2C_VIAPRO) += i2c-viapro.o - obj-$(CONFIG_I2C_VOODOO3) += i2c-voodoo3.o - obj-$(CONFIG_SCx200_ACB) += scx200_acb.o - obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o -+obj-$(CONFIG_I2C_ATMELTWI) += i2c-atmeltwi.o - - ifeq ($(CONFIG_I2C_DEBUG_BUS),y) - EXTRA_CFLAGS += -DDEBUG -diff --git a/drivers/i2c/busses/atmeltwi.h b/drivers/i2c/busses/atmeltwi.h -new file mode 100644 -index 0000000..8502ea6 ---- /dev/null -+++ b/drivers/i2c/busses/atmeltwi.h -@@ -0,0 +1,117 @@ -+/* -+ * Register definitions for the Atmel Two-Wire Interface -+ */ -+ -+#ifndef __ASM_AVR32_TWI_H__ -+#define __ASM_AVR32_TWI_H__ -+ -+/* TWI register offsets */ -+#define TWI_CR 0x0000 -+#define TWI_MMR 0x0004 -+#define TWI_SMR 0x0008 -+#define TWI_IADR 0x000c -+#define TWI_CWGR 0x0010 -+#define TWI_SR 0x0020 -+#define TWI_IER 0x0024 -+#define TWI_IDR 0x0028 -+#define TWI_IMR 0x002c -+#define TWI_RHR 0x0030 -+#define TWI_THR 0x0034 -+ -+/* Bitfields in CR */ -+#define TWI_START_OFFSET 0 -+#define TWI_START_SIZE 1 -+#define TWI_STOP_OFFSET 1 -+#define TWI_STOP_SIZE 1 -+#define TWI_MSEN_OFFSET 2 -+#define TWI_MSEN_SIZE 1 -+#define TWI_MSDIS_OFFSET 3 -+#define TWI_MSDIS_SIZE 1 -+#define TWI_SVEN_OFFSET 4 -+#define TWI_SVEN_SIZE 1 -+#define TWI_SVDIS_OFFSET 5 -+#define TWI_SVDIS_SIZE 1 -+#define TWI_SWRST_OFFSET 7 -+#define TWI_SWRST_SIZE 1 -+ -+/* Bitfields in MMR */ -+#define TWI_IADRSZ_OFFSET 8 -+#define TWI_IADRSZ_SIZE 2 -+#define TWI_MREAD_OFFSET 12 -+#define TWI_MREAD_SIZE 1 -+#define TWI_DADR_OFFSET 16 -+#define TWI_DADR_SIZE 7 -+ -+/* Bitfields in SMR */ -+#define TWI_SADR_OFFSET 16 -+#define TWI_SADR_SIZE 7 -+ -+/* Bitfields in IADR */ -+#define TWI_IADR_OFFSET 0 -+#define TWI_IADR_SIZE 24 -+ -+/* Bitfields in CWGR */ -+#define TWI_CLDIV_OFFSET 0 -+#define TWI_CLDIV_SIZE 8 -+#define TWI_CHDIV_OFFSET 8 -+#define TWI_CHDIV_SIZE 8 -+#define TWI_CKDIV_OFFSET 16 -+#define TWI_CKDIV_SIZE 3 -+ -+/* Bitfields in SR */ -+#define TWI_TXCOMP_OFFSET 0 -+#define TWI_TXCOMP_SIZE 1 -+#define TWI_RXRDY_OFFSET 1 -+#define TWI_RXRDY_SIZE 1 -+#define TWI_TXRDY_OFFSET 2 -+#define TWI_TXRDY_SIZE 1 -+#define TWI_SVDIR_OFFSET 3 -+#define TWI_SVDIR_SIZE 1 -+#define TWI_SVACC_OFFSET 4 -+#define TWI_SVACC_SIZE 1 -+#define TWI_GCACC_OFFSET 5 -+#define TWI_GCACC_SIZE 1 -+#define TWI_OVRE_OFFSET 6 -+#define TWI_OVRE_SIZE 1 -+#define TWI_UNRE_OFFSET 7 -+#define TWI_UNRE_SIZE 1 -+#define TWI_NACK_OFFSET 8 -+#define TWI_NACK_SIZE 1 -+#define TWI_ARBLST_OFFSET 9 -+#define TWI_ARBLST_SIZE 1 -+ -+/* Bitfields in RHR */ -+#define TWI_RXDATA_OFFSET 0 -+#define TWI_RXDATA_SIZE 8 -+ -+/* Bitfields in THR */ -+#define TWI_TXDATA_OFFSET 0 -+#define TWI_TXDATA_SIZE 8 -+ -+/* Constants for IADRSZ */ -+#define TWI_IADRSZ_NO_ADDR 0 -+#define TWI_IADRSZ_ONE_BYTE 1 -+#define TWI_IADRSZ_TWO_BYTES 2 -+#define TWI_IADRSZ_THREE_BYTES 3 -+ -+/* Bit manipulation macros */ -+#define TWI_BIT(name) \ -+ (1 << TWI_##name##_OFFSET) -+#define TWI_BF(name,value) \ -+ (((value) & ((1 << TWI_##name##_SIZE) - 1)) \ -+ << TWI_##name##_OFFSET) -+#define TWI_BFEXT(name,value) \ -+ (((value) >> TWI_##name##_OFFSET) \ -+ & ((1 << TWI_##name##_SIZE) - 1)) -+#define TWI_BFINS(name,value,old) \ -+ (((old) & ~(((1 << TWI_##name##_SIZE) - 1) \ -+ << TWI_##name##_OFFSET)) \ -+ | TWI_BF(name,value)) -+ -+/* Register access macros */ -+#define twi_readl(port,reg) \ -+ __raw_readl((port)->regs + TWI_##reg) -+#define twi_writel(port,reg,value) \ -+ __raw_writel((value), (port)->regs + TWI_##reg) -+ -+#endif /* __ASM_AVR32_TWI_H__ */ -diff --git a/drivers/i2c/busses/i2c-atmeltwi.c b/drivers/i2c/busses/i2c-atmeltwi.c -new file mode 100644 -index 0000000..9a3f223 ---- /dev/null -+++ b/drivers/i2c/busses/i2c-atmeltwi.c -@@ -0,0 +1,383 @@ -+/* -+ * i2c Support for Atmel's Two-Wire Interface (TWI) -+ * -+ * Based on the work of Copyright (C) 2004 Rick Bronson -+ * Converted to 2.6 by Andrew Victor <andrew at sanpeople.com> -+ * Ported to AVR32 and heavily modified by Espen Krangnes -+ * <ekrangnes at atmel.com> -+ * -+ * Copyright (C) 2006 Atmel Corporation -+ * -+ * Borrowed heavily from the original work by: -+ * Copyright (C) 2000 Philip Edelbrock <phil at stimpy.netroedge.com> -+ * -+ * Partialy rewriten by Karel Hojdar <cmkaho at seznam.cz> -+ * bugs removed, interrupt routine markedly rewritten -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ */ -+ -+ -+#include <linux/err.h> -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/slab.h> -+#include <linux/types.h> -+#include <linux/delay.h> -+#include <linux/i2c.h> -+#include <linux/init.h> -+#include <linux/clk.h> -+#include <linux/interrupt.h> -+#include <linux/irq.h> -+#include <linux/platform_device.h> -+#include <linux/completion.h> -+#include <asm/io.h> -+#include <linux/time.h> -+#include "atmeltwi.h" -+ -+static unsigned int baudrate = CONFIG_I2C_ATMELTWI_BAUDRATE; -+module_param(baudrate, uint, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); -+MODULE_PARM_DESC(baudrate, "The TWI baudrate"); -+ -+ -+struct atmel_twi { -+ void __iomem *regs; -+ struct i2c_adapter adapter; -+ struct clk *pclk; -+ spinlock_t lock; -+ struct completion comp; -+ u32 intmask; -+ u8 *buf; -+ u8 len; -+ u8 acks_left; -+ u8 nack; -+ unsigned int irq; -+ -+}; -+#define to_atmel_twi(adap) container_of(adap, struct atmel_twi, adapter) -+ -+/* -+ * Initialize the TWI hardware registers. -+ */ -+static int __devinit twi_hwinit(struct atmel_twi *twi) -+{ -+ unsigned long cdiv, ckdiv=0; -+ -+ twi_writel(twi, IDR, ~0UL); -+ twi_writel(twi, CR, TWI_BIT(SWRST)); /*Reset peripheral*/ -+ twi_readl(twi, SR); -+ -+ cdiv = (clk_get_rate(twi->pclk) / (2 * baudrate)) - 4; -+ -+ while (cdiv > 255) { -+ ckdiv++; -+ cdiv = cdiv >> 1; -+ } -+ -+ if (ckdiv > 7) -+ return -EINVAL; -+ else -+ twi_writel(twi, CWGR, (TWI_BF(CKDIV, ckdiv) -+ | TWI_BF(CHDIV, cdiv) -+ | TWI_BF(CLDIV, cdiv))); -+ return 0; -+} -+ -+/* -+ * Waits for the i2c status register to set the specified bitmask -+ * Returns 0 if timed out (~100ms). -+ */ -+static short twi_complete(struct atmel_twi *twi, u32 mask) -+{ -+ int timeout = msecs_to_jiffies(100); -+ -+ twi->intmask = mask; -+ init_completion(&twi->comp); -+ -+ twi_writel(twi, IER, mask); -+ -+ if (!wait_for_completion_timeout(&twi->comp, timeout)) { -+ /* RESET TWI interface */ -+ twi_writel(twi, CR, TWI_BIT(SWRST)); -+ -+ /* Reinitialize TWI */ -+ twi_hwinit(twi); -+ -+ return -ETIMEDOUT; -+ } -+ return 0; -+} -+ -+/* -+ * Generic i2c master transfer entrypoint. -+ */ -+static int twi_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) -+{ -+ struct atmel_twi *twi = to_atmel_twi(adap); -+ struct i2c_msg *pmsg; -+ int i; -+ -+ /* get first message */ -+ pmsg = msgs; -+ -+ dev_dbg(&adap->dev, "twi_xfer: processing %d messages:\n", num); -+ -+ twi->nack = 0; -+ for (i = 0; i < num; i++, pmsg++) { -+ twi->len = pmsg->len; -+ twi->buf = pmsg->buf; -+ twi->acks_left = pmsg->len; -+ twi_writel(twi, MMR, TWI_BF(DADR, pmsg->addr) | -+ (pmsg->flags & I2C_M_RD ? TWI_BIT(MREAD) : 0)); -+ twi_writel(twi, IADR, TWI_BF(IADR, pmsg->addr)); -+ -+ dev_dbg(&adap->dev,"#%d: internal addr %d %s byte%s %s 0x%02x\n", -+ i,pmsg->len, pmsg->flags & I2C_M_RD ? "reading" : "writing", -+ pmsg->len > 1 ? "s" : "", -+ pmsg->flags & I2C_M_RD ? "from" : "to", pmsg->addr); -+ -+ /* enable */ -+ twi_writel(twi, CR, TWI_BIT(MSEN)); -+ -+ if (pmsg->flags & I2C_M_RD) { -+ if (twi->len == 1) -+ twi_writel(twi, CR, -+ TWI_BIT(START) | TWI_BIT(STOP)); -+ else -+ twi_writel(twi, CR, TWI_BIT(START)); -+ -+ if (twi_complete(twi, TWI_BIT(RXRDY)) == -ETIMEDOUT) { -+ dev_dbg(&adap->dev, "RXRDY timeout. Stopped with %d bytes left\n", -+ twi->acks_left); -+ return -ETIMEDOUT; -+ } -+ } else { -+ twi_writel(twi, THR, twi->buf[0]); -+ if (twi_complete(twi, TWI_BIT(TXRDY)) == -ETIMEDOUT) { -+ dev_dbg(&adap->dev, "TXRDY timeout. Stopped with %d bytes left\n", -+ twi->acks_left); -+ return -ETIMEDOUT; -+ } -+ -+ if (twi->nack) -+ return -ENODEV; -+ } -+ -+ /* Disable TWI interface */ -+ twi_writel(twi, CR, TWI_BIT(MSDIS)); -+ -+ } /* end cur msg */ -+ -+ return i; -+} -+ -+ -+static irqreturn_t twi_interrupt(int irq, void *dev_id) -+{ -+ struct atmel_twi *twi = dev_id; -+ int status = twi_readl(twi, SR); -+ -+ /* Save state for later debug prints */ -+ int old_mask = twi->intmask; -+ int old_status = status; -+ -+ if (twi->intmask & status) { -+ if (status & TWI_BIT(NACK)) -+ goto nack; -+ -+ status &= twi->intmask; -+ -+ if (status & TWI_BIT(TXCOMP)) -+ goto complete; -+ -+ else if (status & TWI_BIT(RXRDY)) { -+ if ( twi->acks_left > 0 ) { -+ twi->buf[twi->len - twi->acks_left] = -+ twi_readl(twi, RHR); -+ twi->acks_left--; -+ } -+ if ( twi->acks_left == 1 ) -+ twi_writel(twi, CR, TWI_BIT(STOP)); -+ -+ if (twi->acks_left == 0 ) { -+ twi->intmask = TWI_BIT(TXCOMP); -+ twi_writel(twi, IER, TWI_BIT(TXCOMP)); -+ } -+ } else if (status & TWI_BIT(TXRDY)) { -+ twi->acks_left--; -+ if ( twi->acks_left == 0 ) { -+ twi->intmask = TWI_BIT(TXCOMP); -+ twi_writel(twi, IER, TWI_BIT(TXCOMP)); -+ } else if (twi->acks_left > 0) -+ twi_writel(twi, THR, twi->buf[twi->len - twi->acks_left]); -+ } -+ } -+ -+ dev_dbg(&twi->adapter.dev, -+ "TWI ISR, SR 0x%08X, intmask 0x%08X, acks_left %i.\n", -+ old_status, old_mask, twi->acks_left); -+ -+ return IRQ_HANDLED; -+ -+nack: -+ dev_dbg(&twi->adapter.dev, "NACK received!\n"); -+ twi->nack = 1; -+ -+complete: -+ twi_writel(twi, IDR, ~0UL); -+ complete(&twi->comp); -+ -+ dev_dbg(&twi->adapter.dev, -+ "TWI ISR, SR 0x%08X, intmask 0x%08X, \ -+ acks_left %i - completed.\n", -+ old_status, old_mask, twi->acks_left); -+ -+ return IRQ_HANDLED; -+} -+ -+ -+/* -+ * Return list of supported functionality. -+ */ -+static u32 twi_func(struct i2c_adapter *adapter) -+{ -+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; -+} -+ -+/* For now, we only handle combined mode (smbus) */ -+static struct i2c_algorithm twi_algorithm = { -+ .master_xfer = twi_xfer, -+ .functionality = twi_func, -+}; -+ -+/* -+ * Main initialization routine. -+ */ -+static int __devinit twi_probe(struct platform_device *pdev) -+{ -+ struct atmel_twi *twi; -+ struct resource *regs; -+ struct clk *pclk; -+ struct i2c_adapter *adapter; -+ int rc, irq; -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) -+ return -ENXIO; -+ -+ pclk = clk_get(&pdev->dev, "pclk"); -+ if (IS_ERR(pclk)) -+ return PTR_ERR(pclk); -+ clk_enable(pclk); -+ -+ rc = -ENOMEM; -+ twi = kzalloc(sizeof(struct atmel_twi), GFP_KERNEL); -+ if (!twi) { -+ dev_err(&pdev->dev, "can't allocate interface!\n"); -+ goto err_alloc_twi; -+ } -+ -+ twi->pclk = pclk; -+ twi->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!twi->regs) -+ goto err_ioremap; -+ -+ irq = platform_get_irq(pdev,0); -+ rc = request_irq(irq, twi_interrupt, 0, "twi", twi); -+ if (rc) { -+ dev_err(&pdev->dev, "can't bind irq!\n"); -+ goto err_irq; -+ } -+ twi->irq = irq; -+ -+ rc = twi_hwinit(twi); -+ if (rc) { -+ dev_err(&pdev->dev, "Unable to set baudrate\n"); -+ goto err_hw_init; -+ } -+ -+ adapter = &twi->adapter; -+ sprintf(adapter->name, "TWI"); -+ adapter->algo = &twi_algorithm; -+ adapter->class = I2C_CLASS_HWMON; -+ adapter->dev.parent = &pdev->dev; -+ -+ platform_set_drvdata(pdev, twi); -+ -+ rc = i2c_add_adapter(adapter); -+ if (rc) { -+ dev_err(&pdev->dev, "Adapter %s registration failed\n", -+ adapter->name); -+ goto err_register; -+ } -+ -+ dev_info(&pdev->dev, "Atmel TWI i2c bus device (baudrate %dk) at 0x%08lx.\n", -+ baudrate/1000, (unsigned long)regs->start); -+ -+ return 0; -+ -+ -+err_register: -+ platform_set_drvdata(pdev, NULL); -+ -+err_hw_init: -+ free_irq(irq, twi); -+ -+err_irq: -+ iounmap(twi->regs); -+ -+err_ioremap: -+ kfree(twi); -+ -+err_alloc_twi: -+ clk_disable(pclk); -+ clk_put(pclk); -+ -+ return rc; -+} -+ -+static int __devexit twi_remove(struct platform_device *pdev) -+{ -+ struct atmel_twi *twi = platform_get_drvdata(pdev); -+ int res; -+ -+ platform_set_drvdata(pdev, NULL); -+ res = i2c_del_adapter(&twi->adapter); -+ twi_writel(twi, CR, TWI_BIT(MSDIS)); -+ iounmap(twi->regs); -+ clk_disable(twi->pclk); -+ clk_put(twi->pclk); -+ free_irq(twi->irq, twi); -+ kfree(twi); -+ -+ return res; -+} -+ -+static struct platform_driver twi_driver = { -+ .probe = twi_probe, -+ .remove = __devexit_p(twi_remove), -+ .driver = { -+ .name = "atmel_twi", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init atmel_twi_init(void) -+{ -+ return platform_driver_register(&twi_driver); -+} -+ -+static void __exit atmel_twi_exit(void) -+{ -+ platform_driver_unregister(&twi_driver); -+} -+ -+module_init(atmel_twi_init); -+module_exit(atmel_twi_exit); -+ -+MODULE_AUTHOR("Espen Krangnes"); -+MODULE_DESCRIPTION("I2C driver for Atmel TWI"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig -index 50e06e8..7bbea09 100644 ---- a/drivers/input/mouse/Kconfig -+++ b/drivers/input/mouse/Kconfig -@@ -216,4 +216,20 @@ config MOUSE_HIL - help - Say Y here to support HIL pointers. - -+config MOUSE_GPIO -+ tristate "GPIO mouse" -+ depends on GENERIC_GPIO -+ select INPUT_POLLDEV -+ help -+ This driver simulates a mouse on GPIO lines of various CPUs (and some -+ other chips). -+ -+ Say Y here if your device has buttons or a simple joystick connected -+ directly to GPIO lines. Your board-specific setup logic must also -+ provide a platform device and platform data saying which GPIOs are -+ used. -+ -+ To compile this driver as a module, choose M here: the -+ module will be called gpio_mouse. -+ - endif -diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile -index aa4ba87..9e6e363 100644 ---- a/drivers/input/mouse/Makefile -+++ b/drivers/input/mouse/Makefile -@@ -15,6 +15,7 @@ obj-$(CONFIG_MOUSE_PS2) += psmouse.o - obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o - obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o - obj-$(CONFIG_MOUSE_VSXXXAA) += vsxxxaa.o -+obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o - - psmouse-objs := psmouse-base.o synaptics.o - -diff --git a/drivers/input/mouse/gpio_mouse.c b/drivers/input/mouse/gpio_mouse.c -new file mode 100644 -index 0000000..0936d6b ---- /dev/null -+++ b/drivers/input/mouse/gpio_mouse.c -@@ -0,0 +1,196 @@ -+/* -+ * Driver for simulating a mouse on GPIO lines. -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/init.h> -+#include <linux/version.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/input-polldev.h> -+#include <linux/gpio_mouse.h> -+ -+#include <asm/gpio.h> -+ -+/* -+ * Timer function which is run every scan_ms ms when the device is opened. -+ * The dev input varaible is set to the the input_dev pointer. -+ */ -+static void gpio_mouse_scan(struct input_polled_dev *dev) -+{ -+ struct gpio_mouse_platform_data *gpio = dev->private; -+ struct input_dev *input = dev->input; -+ int x, y; -+ -+ if (gpio->bleft >= 0) -+ input_report_key(input, BTN_LEFT, -+ gpio_get_value(gpio->bleft) ^ gpio->polarity); -+ if (gpio->bmiddle >= 0) -+ input_report_key(input, BTN_MIDDLE, -+ gpio_get_value(gpio->bmiddle) ^ gpio->polarity); -+ if (gpio->bright >= 0) -+ input_report_key(input, BTN_RIGHT, -+ gpio_get_value(gpio->bright) ^ gpio->polarity); -+ -+ x = (gpio_get_value(gpio->right) ^ gpio->polarity) -+ - (gpio_get_value(gpio->left) ^ gpio->polarity); -+ y = (gpio_get_value(gpio->down) ^ gpio->polarity) -+ - (gpio_get_value(gpio->up) ^ gpio->polarity); -+ -+ input_report_rel(input, REL_X, x); -+ input_report_rel(input, REL_Y, y); -+ input_sync(input); -+} -+ -+static int __init gpio_mouse_probe(struct platform_device *pdev) -+{ -+ struct gpio_mouse_platform_data *pdata = pdev->dev.platform_data; -+ struct input_polled_dev *input_poll; -+ struct input_dev *input; -+ int pin, i; -+ int error; -+ -+ if (!pdata) { -+ dev_err(&pdev->dev, "no platform data\n"); -+ error = -ENXIO; -+ goto out; -+ } -+ -+ if (pdata->scan_ms < 0) { -+ dev_err(&pdev->dev, "invalid scan time\n"); -+ error = -EINVAL; -+ goto out; -+ } -+ -+ for (i = 0; i < GPIO_MOUSE_PIN_MAX; i++) { -+ pin = pdata->pins[i]; -+ -+ if (pin < 0) { -+ -+ if (i <= GPIO_MOUSE_PIN_RIGHT) { -+ /* Mouse direction is required. */ -+ dev_err(&pdev->dev, -+ "missing GPIO for directions\n"); -+ error = -EINVAL; -+ goto out_free_gpios; -+ } -+ -+ if (i == GPIO_MOUSE_PIN_BLEFT) -+ dev_dbg(&pdev->dev, "no left button defined\n"); -+ -+ } else { -+ error = gpio_request(pin, "gpio_mouse"); -+ if (error) { -+ dev_err(&pdev->dev, "fail %d pin (%d idx)\n", -+ pin, i); -+ goto out_free_gpios; -+ } -+ -+ gpio_direction_input(pin); -+ } -+ } -+ -+ input_poll = input_allocate_polled_device(); -+ if (!input_poll) { -+ dev_err(&pdev->dev, "not enough memory for input device\n"); -+ error = -ENOMEM; -+ goto out_free_gpios; -+ } -+ -+ platform_set_drvdata(pdev, input_poll); -+ -+ /* set input-polldev handlers */ -+ input_poll->private = pdata; -+ input_poll->poll = gpio_mouse_scan; -+ input_poll->poll_interval = pdata->scan_ms; -+ -+ input = input_poll->input; -+ input->name = pdev->name; -+ input->id.bustype = BUS_HOST; -+ input->dev.parent = &pdev->dev; -+ -+ input_set_capability(input, EV_REL, REL_X); -+ input_set_capability(input, EV_REL, REL_Y); -+ if (pdata->bleft >= 0) -+ input_set_capability(input, EV_KEY, BTN_LEFT); -+ if (pdata->bmiddle >= 0) -+ input_set_capability(input, EV_KEY, BTN_MIDDLE); -+ if (pdata->bright >= 0) -+ input_set_capability(input, EV_KEY, BTN_RIGHT); -+ -+ error = input_register_polled_device(input_poll); -+ if (error) { -+ dev_err(&pdev->dev, "could not register input device\n"); -+ goto out_free_polldev; -+ } -+ -+ dev_dbg(&pdev->dev, "%d ms scan time, buttons: %s%s%s\n", -+ pdata->scan_ms, -+ pdata->bleft < 0 ? "" : "left ", -+ pdata->bmiddle < 0 ? "" : "middle ", -+ pdata->bright < 0 ? "" : "right"); -+ -+ return 0; -+ -+ out_free_polldev: -+ input_free_polled_device(input_poll); -+ platform_set_drvdata(pdev, NULL); -+ -+ out_free_gpios: -+ while (--i >= 0) { -+ pin = pdata->pins[i]; -+ if (pin) -+ gpio_free(pin); -+ } -+ out: -+ return error; -+} -+ -+static int __devexit gpio_mouse_remove(struct platform_device *pdev) -+{ -+ struct input_polled_dev *input = platform_get_drvdata(pdev); -+ struct gpio_mouse_platform_data *pdata = input->private; -+ int pin, i; -+ -+ input_unregister_polled_device(input); -+ input_free_polled_device(input); -+ -+ for (i = 0; i < GPIO_MOUSE_PIN_MAX; i++) { -+ pin = pdata->pins[i]; -+ if (pin >= 0) -+ gpio_free(pin); -+ } -+ -+ platform_set_drvdata(pdev, NULL); -+ -+ return 0; -+} -+ -+struct platform_driver gpio_mouse_device_driver = { -+ .remove = __devexit_p(gpio_mouse_remove), -+ .driver = { -+ .name = "gpio_mouse", -+ } -+}; -+ -+static int __init gpio_mouse_init(void) -+{ -+ return platform_driver_probe(&gpio_mouse_device_driver, -+ gpio_mouse_probe); -+} -+module_init(gpio_mouse_init); -+ -+static void __exit gpio_mouse_exit(void) -+{ -+ platform_driver_unregister(&gpio_mouse_device_driver); -+} -+module_exit(gpio_mouse_exit); -+ -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -+MODULE_DESCRIPTION("GPIO mouse driver"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig -index 87d2046..9ce3ca1 100644 ---- a/drivers/leds/Kconfig -+++ b/drivers/leds/Kconfig -@@ -95,6 +95,14 @@ config LEDS_COBALT - help - This option enables support for the front LED on Cobalt Server - -+config LEDS_GPIO -+ tristate "LED Support for GPIO connected LEDs" -+ depends on LEDS_CLASS && GENERIC_GPIO -+ help -+ This option enables support for the LEDs connected to GPIO -+ outputs. To be useful the particular board must have LEDs -+ and they must be connected to the GPIO lines. -+ - comment "LED Triggers" - - config LEDS_TRIGGERS -diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile -index aa2c18e..f8995c9 100644 ---- a/drivers/leds/Makefile -+++ b/drivers/leds/Makefile -@@ -16,6 +16,7 @@ obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o - obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o - obj-$(CONFIG_LEDS_H1940) += leds-h1940.o - obj-$(CONFIG_LEDS_COBALT) += leds-cobalt.o -+obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o - - # LED Triggers - obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o -diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c -new file mode 100644 -index 0000000..47d90db ---- /dev/null -+++ b/drivers/leds/leds-gpio.c -@@ -0,0 +1,199 @@ -+/* -+ * LEDs driver for GPIOs -+ * -+ * Copyright (C) 2007 8D Technologies inc. -+ * Raphael Assenat <raph@8d.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ * -+ */ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/platform_device.h> -+#include <linux/leds.h> -+#include <linux/workqueue.h> -+ -+#include <asm/gpio.h> -+ -+struct gpio_led_data { -+ struct led_classdev cdev; -+ unsigned gpio; -+ struct work_struct work; -+ u8 new_level; -+ u8 can_sleep; -+ u8 active_low; -+}; -+ -+static void gpio_led_work(struct work_struct *work) -+{ -+ struct gpio_led_data *led_dat = -+ container_of(work, struct gpio_led_data, work); -+ -+ gpio_set_value_cansleep(led_dat->gpio, led_dat->new_level); -+} -+ -+static void gpio_led_set(struct led_classdev *led_cdev, -+ enum led_brightness value) -+{ -+ struct gpio_led_data *led_dat = -+ container_of(led_cdev, struct gpio_led_data, cdev); -+ int level; -+ -+ if (value == LED_OFF) -+ level = 0; -+ else -+ level = 1; -+ -+ if (led_dat->active_low) -+ level = !level; -+ -+ /* setting GPIOs with I2C/etc requires a preemptible task context */ -+ if (led_dat->can_sleep) { -+ if (preempt_count()) { -+ led_dat->new_level = level; -+ schedule_work(&led_dat->work); -+ } else -+ gpio_set_value_cansleep(led_dat->gpio, level); -+ } else -+ gpio_set_value(led_dat->gpio, level); -+} -+ -+static int __init gpio_led_probe(struct platform_device *pdev) -+{ -+ struct gpio_led_platform_data *pdata = pdev->dev.platform_data; -+ struct gpio_led *cur_led; -+ struct gpio_led_data *leds_data, *led_dat; -+ int i, ret = 0; -+ -+ if (!pdata) -+ return -EBUSY; -+ -+ leds_data = kzalloc(sizeof(struct gpio_led_data) * pdata->num_leds, -+ GFP_KERNEL); -+ if (!leds_data) -+ return -ENOMEM; -+ -+ for (i = 0; i < pdata->num_leds; i++) { -+ cur_led = &pdata->leds[i]; -+ led_dat = &leds_data[i]; -+ -+ led_dat->cdev.name = cur_led->name; -+ led_dat->cdev.default_trigger = cur_led->default_trigger; -+ led_dat->gpio = cur_led->gpio; -+ led_dat->can_sleep = gpio_cansleep(cur_led->gpio); -+ led_dat->active_low = cur_led->active_low; -+ led_dat->cdev.brightness_set = gpio_led_set; -+ led_dat->cdev.brightness = cur_led->active_low ? LED_FULL : LED_OFF; -+ -+ ret = gpio_request(led_dat->gpio, led_dat->cdev.name); -+ if (ret < 0) -+ goto err; -+ -+ gpio_direction_output(led_dat->gpio, led_dat->active_low); -+ -+ ret = led_classdev_register(&pdev->dev, &led_dat->cdev); -+ if (ret < 0) { -+ gpio_free(led_dat->gpio); -+ goto err; -+ } -+ -+ INIT_WORK(&led_dat->work, gpio_led_work); -+ } -+ -+ platform_set_drvdata(pdev, leds_data); -+ -+ return 0; -+ -+err: -+ if (i > 0) { -+ for (i = i - 1; i >= 0; i--) { -+ led_classdev_unregister(&leds_data[i].cdev); -+ gpio_free(leds_data[i].gpio); -+ } -+ } -+ -+ flush_scheduled_work(); -+ kfree(leds_data); -+ -+ return ret; -+} -+ -+static int __exit gpio_led_remove(struct platform_device *pdev) -+{ -+ int i; -+ struct gpio_led_platform_data *pdata = pdev->dev.platform_data; -+ struct gpio_led_data *leds_data; -+ -+ leds_data = platform_get_drvdata(pdev); -+ -+ for (i = 0; i < pdata->num_leds; i++) { -+ led_classdev_unregister(&leds_data[i].cdev); -+ gpio_free(leds_data[i].gpio); -+ } -+ -+ kfree(leds_data); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+static int gpio_led_suspend(struct platform_device *pdev, pm_message_t state) -+{ -+ struct gpio_led_platform_data *pdata = pdev->dev.platform_data; -+ struct gpio_led_data *leds_data; -+ int i; -+ -+ leds_data = platform_get_drvdata(pdev); -+ -+ for (i = 0; i < pdata->num_leds; i++) -+ led_classdev_suspend(&leds_data[i].cdev); -+ -+ return 0; -+} -+ -+static int gpio_led_resume(struct platform_device *pdev) -+{ -+ struct gpio_led_platform_data *pdata = pdev->dev.platform_data; -+ struct gpio_led_data *leds_data; -+ int i; -+ -+ leds_data = platform_get_drvdata(pdev); -+ -+ for (i = 0; i < pdata->num_leds; i++) -+ led_classdev_resume(&leds_data[i].cdev); -+ -+ return 0; -+} -+#else -+#define gpio_led_suspend NULL -+#define gpio_led_resume NULL -+#endif -+ -+static struct platform_driver gpio_led_driver = { -+ .remove = __exit_p(gpio_led_remove), -+ .suspend = gpio_led_suspend, -+ .resume = gpio_led_resume, -+ .driver = { -+ .name = "leds-gpio", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init gpio_led_init(void) -+{ -+ return platform_driver_probe(&gpio_led_driver, gpio_led_probe); -+} -+ -+static void __exit gpio_led_exit(void) -+{ -+ platform_driver_unregister(&gpio_led_driver); -+} -+ -+module_init(gpio_led_init); -+module_exit(gpio_led_exit); -+ -+MODULE_AUTHOR("Raphael Assenat <raph@8d.com>"); -+MODULE_DESCRIPTION("GPIO LED driver"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig -index 616eee9..0810d83 100644 ---- a/drivers/misc/Kconfig -+++ b/drivers/misc/Kconfig -@@ -187,5 +187,15 @@ config THINKPAD_ACPI_BAY - - If you are not sure, say Y here. - -+config ATMEL_SSC -+ tristate "Device driver for Atmel SSC peripheral" -+ depends on AVR32 || ARCH_AT91 -+ ---help--- -+ This option enables device driver support for Atmel Syncronized -+ Serial Communication peripheral (SSC). -+ -+ The SSC peripheral supports a wide variety of serial frame based -+ communications, i.e. I2S, SPI, etc. - -+ If unsure, say N. - endmenu -diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile -index 8abbf2f..2d52cc6 100644 ---- a/drivers/misc/Makefile -+++ b/drivers/misc/Makefile -@@ -14,3 +14,4 @@ obj-$(CONFIG_PHANTOM) += phantom.o - obj-$(CONFIG_SGI_IOC4) += ioc4.o - obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o - obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o -+obj-$(CONFIG_ATMEL_SSC) += atmel-ssc.o -diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c -new file mode 100644 -index 0000000..058ccac ---- /dev/null -+++ b/drivers/misc/atmel-ssc.c -@@ -0,0 +1,174 @@ -+/* -+ * Atmel SSC driver -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/platform_device.h> -+#include <linux/list.h> -+#include <linux/clk.h> -+#include <linux/err.h> -+#include <linux/io.h> -+#include <linux/list.h> -+#include <linux/spinlock.h> -+#include <linux/atmel-ssc.h> -+ -+/* Serialize access to ssc_list and user count */ -+static DEFINE_SPINLOCK(user_lock); -+static LIST_HEAD(ssc_list); -+ -+struct ssc_device *ssc_request(unsigned int ssc_num) -+{ -+ int ssc_valid = 0; -+ struct ssc_device *ssc; -+ -+ spin_lock(&user_lock); -+ list_for_each_entry(ssc, &ssc_list, list) { -+ if (ssc->pdev->id == ssc_num) { -+ ssc_valid = 1; -+ break; -+ } -+ } -+ -+ if (!ssc_valid) { -+ spin_unlock(&user_lock); -+ dev_dbg(&ssc->pdev->dev, "could not find requested device\n"); -+ return ERR_PTR(-ENODEV); -+ } -+ -+ if (ssc->user) { -+ spin_unlock(&user_lock); -+ dev_dbg(&ssc->pdev->dev, "module busy\n"); -+ return ERR_PTR(-EBUSY); -+ } -+ ssc->user++; -+ spin_unlock(&user_lock); -+ -+ clk_enable(ssc->clk); -+ -+ return ssc; -+} -+EXPORT_SYMBOL(ssc_request); -+ -+void ssc_free(struct ssc_device *ssc) -+{ -+ spin_lock(&user_lock); -+ if (ssc->user) { -+ ssc->user--; -+ clk_disable(ssc->clk); -+ } else { -+ dev_dbg(&ssc->pdev->dev, "device already free\n"); -+ } -+ spin_unlock(&user_lock); -+} -+EXPORT_SYMBOL(ssc_free); -+ -+static int __init ssc_probe(struct platform_device *pdev) -+{ -+ int retval = 0; -+ struct resource *regs; -+ struct ssc_device *ssc; -+ -+ ssc = kzalloc(sizeof(struct ssc_device), GFP_KERNEL); -+ if (!ssc) { -+ dev_dbg(&pdev->dev, "out of memory\n"); -+ retval = -ENOMEM; -+ goto out; -+ } -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) { -+ dev_dbg(&pdev->dev, "no mmio resource defined\n"); -+ retval = -ENXIO; -+ goto out_free; -+ } -+ -+ ssc->clk = clk_get(&pdev->dev, "pclk"); -+ if (IS_ERR(ssc->clk)) { -+ dev_dbg(&pdev->dev, "no pclk clock defined\n"); -+ retval = -ENXIO; -+ goto out_free; -+ } -+ -+ ssc->pdev = pdev; -+ ssc->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!ssc->regs) { -+ dev_dbg(&pdev->dev, "ioremap failed\n"); -+ retval = -EINVAL; -+ goto out_clk; -+ } -+ -+ /* disable all interrupts */ -+ clk_enable(ssc->clk); -+ ssc_writel(ssc->regs, IDR, ~0UL); -+ ssc_readl(ssc->regs, SR); -+ clk_disable(ssc->clk); -+ -+ ssc->irq = platform_get_irq(pdev, 0); -+ if (!ssc->irq) { -+ dev_dbg(&pdev->dev, "could not get irq\n"); -+ retval = -ENXIO; -+ goto out_unmap; -+ } -+ -+ spin_lock(&user_lock); -+ list_add_tail(&ssc->list, &ssc_list); -+ spin_unlock(&user_lock); -+ -+ platform_set_drvdata(pdev, ssc); -+ -+ dev_info(&pdev->dev, "Atmel SSC device at 0x%p (irq %d)\n", -+ ssc->regs, ssc->irq); -+ -+ goto out; -+ -+out_unmap: -+ iounmap(ssc->regs); -+out_clk: -+ clk_put(ssc->clk); -+out_free: -+ kfree(ssc); -+out: -+ return retval; -+} -+ -+static int __devexit ssc_remove(struct platform_device *pdev) -+{ -+ struct ssc_device *ssc = platform_get_drvdata(pdev); -+ -+ spin_lock(&user_lock); -+ iounmap(ssc->regs); -+ clk_put(ssc->clk); -+ list_del(&ssc->list); -+ kfree(ssc); -+ spin_unlock(&user_lock); -+ -+ return 0; -+} -+ -+static struct platform_driver ssc_driver = { -+ .remove = __devexit_p(ssc_remove), -+ .driver = { -+ .name = "ssc", -+ }, -+}; -+ -+static int __init ssc_init(void) -+{ -+ return platform_driver_probe(&ssc_driver, ssc_probe); -+} -+module_init(ssc_init); -+ -+static void __exit ssc_exit(void) -+{ -+ platform_driver_unregister(&ssc_driver); -+} -+module_exit(ssc_exit); -+ -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -+MODULE_DESCRIPTION("SSC driver for Atmel AVR32 and AT91"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig -index e23082f..1de1716 100644 ---- a/drivers/mmc/host/Kconfig -+++ b/drivers/mmc/host/Kconfig -@@ -74,6 +74,16 @@ config MMC_AT91 - - If unsure, say N. - -+config MMC_ATMELMCI -+ tristate "Atmel Multimedia Card Interface support" -+ depends on AVR32 && MMC -+ help -+ This selects the Atmel Multimedia Card Interface. If you have -+ a AT91 (ARM) or AT32 (AVR32) platform with a Multimedia Card -+ slot, say Y or M here. -+ -+ If unsure, say N. -+ - config MMC_IMX - tristate "Motorola i.MX Multimedia Card Interface support" - depends on ARCH_IMX -diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile -index 6685f64..4b8e6e2 100644 ---- a/drivers/mmc/host/Makefile -+++ b/drivers/mmc/host/Makefile -@@ -14,5 +14,6 @@ obj-$(CONFIG_MMC_WBSD) += wbsd.o - obj-$(CONFIG_MMC_AU1X) += au1xmmc.o - obj-$(CONFIG_MMC_OMAP) += omap.o - obj-$(CONFIG_MMC_AT91) += at91_mci.o -+obj-$(CONFIG_MMC_ATMELMCI) += atmel-mci.o - obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o - -diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c -new file mode 100644 -index 0000000..74d343f ---- /dev/null -+++ b/drivers/mmc/host/atmel-mci.c -@@ -0,0 +1,1217 @@ -+/* -+ * Atmel MultiMedia Card Interface driver -+ * -+ * Copyright (C) 2004-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/blkdev.h> -+#include <linux/clk.h> -+#include <linux/device.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/ioport.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+ -+#include <linux/mmc/host.h> -+ -+#include <asm/dma-controller.h> -+#include <asm/io.h> -+#include <asm/arch/board.h> -+#include <asm/arch/gpio.h> -+ -+#include "atmel-mci.h" -+ -+#define DRIVER_NAME "atmel_mci" -+ -+#define MCI_CMD_ERROR_FLAGS (MCI_BIT(RINDE) | MCI_BIT(RDIRE) | \ -+ MCI_BIT(RCRCE) | MCI_BIT(RENDE) | \ -+ MCI_BIT(RTOE)) -+#define MCI_DATA_ERROR_FLAGS (MCI_BIT(DCRCE) | MCI_BIT(DTOE) | \ -+ MCI_BIT(OVRE) | MCI_BIT(UNRE)) -+ -+enum { -+ EVENT_CMD_COMPLETE = 0, -+ EVENT_CMD_ERROR, -+ EVENT_DATA_COMPLETE, -+ EVENT_DATA_ERROR, -+ EVENT_STOP_SENT, -+ EVENT_STOP_COMPLETE, -+ EVENT_STOP_ERROR, -+ EVENT_DMA_ERROR, -+ EVENT_CARD_DETECT, -+}; -+ -+struct atmel_mci_dma { -+ struct dma_request_sg req; -+ unsigned short rx_periph_id; -+ unsigned short tx_periph_id; -+}; -+ -+struct atmel_mci { -+ struct mmc_host *mmc; -+ void __iomem *regs; -+ struct atmel_mci_dma dma; -+ -+ struct mmc_request *mrq; -+ struct mmc_command *cmd; -+ struct mmc_data *data; -+ -+ u32 stop_cmdr; -+ u32 stop_iflags; -+ -+ struct tasklet_struct tasklet; -+ unsigned long pending_events; -+ unsigned long completed_events; -+ u32 error_status; -+ -+ int present; -+ int detect_pin; -+ int wp_pin; -+ -+ unsigned long bus_hz; -+ unsigned long mapbase; -+ struct clk *mck; -+ struct platform_device *pdev; -+ -+#ifdef CONFIG_DEBUG_FS -+ struct dentry *debugfs_root; -+ struct dentry *debugfs_regs; -+ struct dentry *debugfs_req; -+ struct dentry *debugfs_pending_events; -+ struct dentry *debugfs_completed_events; -+#endif -+}; -+ -+/* Those printks take an awful lot of time... */ -+#ifndef DEBUG -+static unsigned int fmax = 15000000U; -+#else -+static unsigned int fmax = 1000000U; -+#endif -+module_param(fmax, uint, 0444); -+MODULE_PARM_DESC(fmax, "Max frequency in Hz of the MMC bus clock"); -+ -+/* Test bit macros for completed events */ -+#define mci_cmd_is_complete(host) \ -+ test_bit(EVENT_CMD_COMPLETE, &host->completed_events) -+#define mci_cmd_error_is_complete(host) \ -+ test_bit(EVENT_CMD_ERROR, &host->completed_events) -+#define mci_data_is_complete(host) \ -+ test_bit(EVENT_DATA_COMPLETE, &host->completed_events) -+#define mci_data_error_is_complete(host) \ -+ test_bit(EVENT_DATA_ERROR, &host->completed_events) -+#define mci_stop_sent_is_complete(host) \ -+ test_bit(EVENT_STOP_SENT, &host->completed_events) -+#define mci_stop_is_complete(host) \ -+ test_bit(EVENT_STOP_COMPLETE, &host->completed_events) -+#define mci_stop_error_is_complete(host) \ -+ test_bit(EVENT_STOP_ERROR, &host->completed_events) -+#define mci_dma_error_is_complete(host) \ -+ test_bit(EVENT_DMA_ERROR, &host->completed_events) -+#define mci_card_detect_is_complete(host) \ -+ test_bit(EVENT_CARD_DETECT, &host->completed_events) -+ -+/* Test and clear bit macros for pending events */ -+#define mci_clear_cmd_is_pending(host) \ -+ test_and_clear_bit(EVENT_CMD_COMPLETE, &host->pending_events) -+#define mci_clear_cmd_error_is_pending(host) \ -+ test_and_clear_bit(EVENT_CMD_ERROR, &host->pending_events) -+#define mci_clear_data_is_pending(host) \ -+ test_and_clear_bit(EVENT_DATA_COMPLETE, &host->pending_events) -+#define mci_clear_data_error_is_pending(host) \ -+ test_and_clear_bit(EVENT_DATA_ERROR, &host->pending_events) -+#define mci_clear_stop_sent_is_pending(host) \ -+ test_and_clear_bit(EVENT_STOP_SENT, &host->pending_events) -+#define mci_clear_stop_is_pending(host) \ -+ test_and_clear_bit(EVENT_STOP_COMPLETE, &host->pending_events) -+#define mci_clear_stop_error_is_pending(host) \ -+ test_and_clear_bit(EVENT_STOP_ERROR, &host->pending_events) -+#define mci_clear_dma_error_is_pending(host) \ -+ test_and_clear_bit(EVENT_DMA_ERROR, &host->pending_events) -+#define mci_clear_card_detect_is_pending(host) \ -+ test_and_clear_bit(EVENT_CARD_DETECT, &host->pending_events) -+ -+/* Test and set bit macros for completed events */ -+#define mci_set_cmd_is_completed(host) \ -+ test_and_set_bit(EVENT_CMD_COMPLETE, &host->completed_events) -+#define mci_set_cmd_error_is_completed(host) \ -+ test_and_set_bit(EVENT_CMD_ERROR, &host->completed_events) -+#define mci_set_data_is_completed(host) \ -+ test_and_set_bit(EVENT_DATA_COMPLETE, &host->completed_events) -+#define mci_set_data_error_is_completed(host) \ -+ test_and_set_bit(EVENT_DATA_ERROR, &host->completed_events) -+#define mci_set_stop_sent_is_completed(host) \ -+ test_and_set_bit(EVENT_STOP_SENT, &host->completed_events) -+#define mci_set_stop_is_completed(host) \ -+ test_and_set_bit(EVENT_STOP_COMPLETE, &host->completed_events) -+#define mci_set_stop_error_is_completed(host) \ -+ test_and_set_bit(EVENT_STOP_ERROR, &host->completed_events) -+#define mci_set_dma_error_is_completed(host) \ -+ test_and_set_bit(EVENT_DMA_ERROR, &host->completed_events) -+#define mci_set_card_detect_is_completed(host) \ -+ test_and_set_bit(EVENT_CARD_DETECT, &host->completed_events) -+ -+/* Set bit macros for completed events */ -+#define mci_set_cmd_complete(host) \ -+ set_bit(EVENT_CMD_COMPLETE, &host->completed_events) -+#define mci_set_cmd_error_complete(host) \ -+ set_bit(EVENT_CMD_ERROR, &host->completed_events) -+#define mci_set_data_complete(host) \ -+ set_bit(EVENT_DATA_COMPLETE, &host->completed_events) -+#define mci_set_data_error_complete(host) \ -+ set_bit(EVENT_DATA_ERROR, &host->completed_events) -+#define mci_set_stop_sent_complete(host) \ -+ set_bit(EVENT_STOP_SENT, &host->completed_events) -+#define mci_set_stop_complete(host) \ -+ set_bit(EVENT_STOP_COMPLETE, &host->completed_events) -+#define mci_set_stop_error_complete(host) \ -+ set_bit(EVENT_STOP_ERROR, &host->completed_events) -+#define mci_set_dma_error_complete(host) \ -+ set_bit(EVENT_DMA_ERROR, &host->completed_events) -+#define mci_set_card_detect_complete(host) \ -+ set_bit(EVENT_CARD_DETECT, &host->completed_events) -+ -+/* Set bit macros for pending events */ -+#define mci_set_cmd_pending(host) \ -+ set_bit(EVENT_CMD_COMPLETE, &host->pending_events) -+#define mci_set_cmd_error_pending(host) \ -+ set_bit(EVENT_CMD_ERROR, &host->pending_events) -+#define mci_set_data_pending(host) \ -+ set_bit(EVENT_DATA_COMPLETE, &host->pending_events) -+#define mci_set_data_error_pending(host) \ -+ set_bit(EVENT_DATA_ERROR, &host->pending_events) -+#define mci_set_stop_sent_pending(host) \ -+ set_bit(EVENT_STOP_SENT, &host->pending_events) -+#define mci_set_stop_pending(host) \ -+ set_bit(EVENT_STOP_COMPLETE, &host->pending_events) -+#define mci_set_stop_error_pending(host) \ -+ set_bit(EVENT_STOP_ERROR, &host->pending_events) -+#define mci_set_dma_error_pending(host) \ -+ set_bit(EVENT_DMA_ERROR, &host->pending_events) -+#define mci_set_card_detect_pending(host) \ -+ set_bit(EVENT_CARD_DETECT, &host->pending_events) -+ -+/* Clear bit macros for pending events */ -+#define mci_clear_cmd_pending(host) \ -+ clear_bit(EVENT_CMD_COMPLETE, &host->pending_events) -+#define mci_clear_cmd_error_pending(host) \ -+ clear_bit(EVENT_CMD_ERROR, &host->pending_events) -+#define mci_clear_data_pending(host) \ -+ clear_bit(EVENT_DATA_COMPLETE, &host->pending_events) -+#define mci_clear_data_error_pending(host) \ -+ clear_bit(EVENT_DATA_ERROR, &host->pending_events) -+#define mci_clear_stop_sent_pending(host) \ -+ clear_bit(EVENT_STOP_SENT, &host->pending_events) -+#define mci_clear_stop_pending(host) \ -+ clear_bit(EVENT_STOP_COMPLETE, &host->pending_events) -+#define mci_clear_stop_error_pending(host) \ -+ clear_bit(EVENT_STOP_ERROR, &host->pending_events) -+#define mci_clear_dma_error_pending(host) \ -+ clear_bit(EVENT_DMA_ERROR, &host->pending_events) -+#define mci_clear_card_detect_pending(host) \ -+ clear_bit(EVENT_CARD_DETECT, &host->pending_events) -+ -+ -+#ifdef CONFIG_DEBUG_FS -+#include <linux/debugfs.h> -+ -+#define DBG_REQ_BUF_SIZE (4096 - sizeof(unsigned int)) -+ -+struct req_dbg_data { -+ unsigned int nbytes; -+ char str[DBG_REQ_BUF_SIZE]; -+}; -+ -+static int req_dbg_open(struct inode *inode, struct file *file) -+{ -+ struct atmel_mci *host; -+ struct mmc_request *mrq; -+ struct mmc_command *cmd, *stop; -+ struct mmc_data *data; -+ struct req_dbg_data *priv; -+ char *str; -+ unsigned long n = 0; -+ -+ priv = kzalloc(DBG_REQ_BUF_SIZE, GFP_KERNEL); -+ if (!priv) -+ return -ENOMEM; -+ str = priv->str; -+ -+ mutex_lock(&inode->i_mutex); -+ host = inode->i_private; -+ -+ spin_lock_irq(&host->mmc->lock); -+ mrq = host->mrq; -+ if (mrq) { -+ cmd = mrq->cmd; -+ data = mrq->data; -+ stop = mrq->stop; -+ n = snprintf(str, DBG_REQ_BUF_SIZE, -+ "CMD%u(0x%x) %x %x %x %x %x (err %u)\n", -+ cmd->opcode, cmd->arg, cmd->flags, -+ cmd->resp[0], cmd->resp[1], cmd->resp[2], -+ cmd->resp[3], cmd->error); -+ if (n < DBG_REQ_BUF_SIZE && data) -+ n += snprintf(str + n, DBG_REQ_BUF_SIZE - n, -+ "DATA %u * %u (%u) %x (err %u)\n", -+ data->blocks, data->blksz, -+ data->bytes_xfered, data->flags, -+ data->error); -+ if (n < DBG_REQ_BUF_SIZE && stop) -+ n += snprintf(str + n, DBG_REQ_BUF_SIZE - n, -+ "CMD%u(0x%x) %x %x %x %x %x (err %u)\n", -+ stop->opcode, stop->arg, stop->flags, -+ stop->resp[0], stop->resp[1], -+ stop->resp[2], stop->resp[3], -+ stop->error); -+ } -+ spin_unlock_irq(&host->mmc->lock); -+ mutex_unlock(&inode->i_mutex); -+ -+ priv->nbytes = min(n, DBG_REQ_BUF_SIZE); -+ file->private_data = priv; -+ -+ return 0; -+} -+ -+static ssize_t req_dbg_read(struct file *file, char __user *buf, -+ size_t nbytes, loff_t *ppos) -+{ -+ struct req_dbg_data *priv = file->private_data; -+ -+ return simple_read_from_buffer(buf, nbytes, ppos, -+ priv->str, priv->nbytes); -+} -+ -+static int req_dbg_release(struct inode *inode, struct file *file) -+{ -+ kfree(file->private_data); -+ return 0; -+} -+ -+static const struct file_operations req_dbg_fops = { -+ .owner = THIS_MODULE, -+ .open = req_dbg_open, -+ .llseek = no_llseek, -+ .read = req_dbg_read, -+ .release = req_dbg_release, -+}; -+ -+static int regs_dbg_open(struct inode *inode, struct file *file) -+{ -+ struct atmel_mci *host; -+ unsigned int i; -+ u32 *data; -+ int ret = -ENOMEM; -+ -+ mutex_lock(&inode->i_mutex); -+ host = inode->i_private; -+ data = kmalloc(inode->i_size, GFP_KERNEL); -+ if (!data) -+ goto out; -+ -+ spin_lock_irq(&host->mmc->lock); -+ for (i = 0; i < inode->i_size / 4; i++) -+ data[i] = __raw_readl(host->regs + i * 4); -+ spin_unlock_irq(&host->mmc->lock); -+ -+ file->private_data = data; -+ ret = 0; -+ -+out: -+ mutex_unlock(&inode->i_mutex); -+ -+ return ret; -+} -+ -+static ssize_t regs_dbg_read(struct file *file, char __user *buf, -+ size_t nbytes, loff_t *ppos) -+{ -+ struct inode *inode = file->f_dentry->d_inode; -+ int ret; -+ -+ mutex_lock(&inode->i_mutex); -+ ret = simple_read_from_buffer(buf, nbytes, ppos, -+ file->private_data, -+ file->f_dentry->d_inode->i_size); -+ mutex_unlock(&inode->i_mutex); -+ -+ return ret; -+} -+ -+static int regs_dbg_release(struct inode *inode, struct file *file) -+{ -+ kfree(file->private_data); -+ return 0; -+} -+ -+static const struct file_operations regs_dbg_fops = { -+ .owner = THIS_MODULE, -+ .open = regs_dbg_open, -+ .llseek = generic_file_llseek, -+ .read = regs_dbg_read, -+ .release = regs_dbg_release, -+}; -+ -+static void atmci_init_debugfs(struct atmel_mci *host) -+{ -+ struct mmc_host *mmc; -+ struct dentry *root, *regs; -+ struct resource *res; -+ -+ mmc = host->mmc; -+ root = debugfs_create_dir(mmc_hostname(mmc), NULL); -+ if (IS_ERR(root) || !root) -+ goto err_root; -+ host->debugfs_root = root; -+ -+ regs = debugfs_create_file("regs", 0400, root, host, ®s_dbg_fops); -+ if (!regs) -+ goto err_regs; -+ -+ res = platform_get_resource(host->pdev, IORESOURCE_MEM, 0); -+ regs->d_inode->i_size = res->end - res->start + 1; -+ host->debugfs_regs = regs; -+ -+ host->debugfs_req = debugfs_create_file("req", 0400, root, -+ host, &req_dbg_fops); -+ if (!host->debugfs_req) -+ goto err_req; -+ -+ host->debugfs_pending_events -+ = debugfs_create_u32("pending_events", 0400, root, -+ (u32 *)&host->pending_events); -+ if (!host->debugfs_pending_events) -+ goto err_pending_events; -+ -+ host->debugfs_completed_events -+ = debugfs_create_u32("completed_events", 0400, root, -+ (u32 *)&host->completed_events); -+ if (!host->debugfs_completed_events) -+ goto err_completed_events; -+ -+ return; -+ -+err_completed_events: -+ debugfs_remove(host->debugfs_pending_events); -+err_pending_events: -+ debugfs_remove(host->debugfs_req); -+err_req: -+ debugfs_remove(host->debugfs_regs); -+err_regs: -+ debugfs_remove(host->debugfs_root); -+err_root: -+ host->debugfs_root = NULL; -+ dev_err(&host->pdev->dev, -+ "failed to initialize debugfs for %s\n", -+ mmc_hostname(mmc)); -+} -+ -+static void atmci_cleanup_debugfs(struct atmel_mci *host) -+{ -+ if (host->debugfs_root) { -+ debugfs_remove(host->debugfs_completed_events); -+ debugfs_remove(host->debugfs_pending_events); -+ debugfs_remove(host->debugfs_req); -+ debugfs_remove(host->debugfs_regs); -+ debugfs_remove(host->debugfs_root); -+ host->debugfs_root = NULL; -+ } -+} -+#else -+static inline void atmci_init_debugfs(struct atmel_mci *host) -+{ -+ -+} -+ -+static inline void atmci_cleanup_debugfs(struct atmel_mci *host) -+{ -+ -+} -+#endif /* CONFIG_DEBUG_FS */ -+ -+static inline unsigned int ns_to_clocks(struct atmel_mci *host, -+ unsigned int ns) -+{ -+ return (ns * (host->bus_hz / 1000000) + 999) / 1000; -+} -+ -+static void atmci_set_timeout(struct atmel_mci *host, -+ struct mmc_data *data) -+{ -+ static unsigned dtomul_to_shift[] = { -+ 0, 4, 7, 8, 10, 12, 16, 20 -+ }; -+ unsigned timeout; -+ unsigned dtocyc, dtomul; -+ -+ timeout = ns_to_clocks(host, data->timeout_ns) + data->timeout_clks; -+ -+ for (dtomul = 0; dtomul < 8; dtomul++) { -+ unsigned shift = dtomul_to_shift[dtomul]; -+ dtocyc = (timeout + (1 << shift) - 1) >> shift; -+ if (dtocyc < 15) -+ break; -+ } -+ -+ if (dtomul >= 8) { -+ dtomul = 7; -+ dtocyc = 15; -+ } -+ -+ pr_debug("%s: setting timeout to %u cycles\n", -+ mmc_hostname(host->mmc), -+ dtocyc << dtomul_to_shift[dtomul]); -+ mci_writel(host, DTOR, (MCI_BF(DTOMUL, dtomul) -+ | MCI_BF(DTOCYC, dtocyc))); -+} -+ -+/* -+ * Return mask with interrupt flags to be handled for this command. -+ */ -+static u32 atmci_prepare_command(struct mmc_host *mmc, -+ struct mmc_command *cmd, -+ u32 *cmd_flags) -+{ -+ u32 cmdr; -+ u32 iflags; -+ -+ cmd->error = MMC_ERR_NONE; -+ -+ cmdr = 0; -+ BUG_ON(MCI_BFEXT(CMDNB, cmdr) != 0); -+ cmdr = MCI_BFINS(CMDNB, cmd->opcode, cmdr); -+ -+ if (cmd->flags & MMC_RSP_PRESENT) { -+ if (cmd->flags & MMC_RSP_136) -+ cmdr |= MCI_BF(RSPTYP, MCI_RSPTYP_136_BIT); -+ else -+ cmdr |= MCI_BF(RSPTYP, MCI_RSPTYP_48_BIT); -+ } -+ -+ /* -+ * This should really be MAXLAT_5 for CMD2 and ACMD41, but -+ * it's too difficult to determine whether this is an ACMD or -+ * not. Better make it 64. -+ */ -+ cmdr |= MCI_BIT(MAXLAT); -+ -+ if (mmc->ios.bus_mode == MMC_BUSMODE_OPENDRAIN) -+ cmdr |= MCI_BIT(OPDCMD); -+ -+ iflags = MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS; -+ if (!(cmd->flags & MMC_RSP_CRC)) -+ iflags &= ~MCI_BIT(RCRCE); -+ -+ pr_debug("%s: cmd: op %02x arg %08x flags %08x, cmdflags %08lx\n", -+ mmc_hostname(mmc), cmd->opcode, cmd->arg, cmd->flags, -+ (unsigned long)cmdr); -+ -+ *cmd_flags = cmdr; -+ return iflags; -+} -+ -+static void atmci_start_command(struct atmel_mci *host, -+ struct mmc_command *cmd, -+ u32 cmd_flags) -+{ -+ WARN_ON(host->cmd); -+ host->cmd = cmd; -+ -+ mci_writel(host, ARGR, cmd->arg); -+ mci_writel(host, CMDR, cmd_flags); -+ -+ if (cmd->data) -+ dma_start_request(host->dma.req.req.dmac, -+ host->dma.req.req.channel); -+} -+ -+/* -+ * Returns a mask of flags to be set in the command register when the -+ * command to start the transfer is to be sent. -+ */ -+static u32 atmci_prepare_data(struct mmc_host *mmc, struct mmc_data *data) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ u32 cmd_flags; -+ -+ WARN_ON(host->data); -+ host->data = data; -+ -+ atmci_set_timeout(host, data); -+ mci_writel(host, BLKR, (MCI_BF(BCNT, data->blocks) -+ | MCI_BF(BLKLEN, data->blksz))); -+ host->dma.req.block_size = data->blksz; -+ host->dma.req.nr_blocks = data->blocks; -+ -+ cmd_flags = MCI_BF(TRCMD, MCI_TRCMD_START_TRANS); -+ if (data->flags & MMC_DATA_STREAM) -+ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_STREAM); -+ else if (data->blocks > 1) -+ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_MULTI_BLOCK); -+ else -+ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_BLOCK); -+ -+ if (data->flags & MMC_DATA_READ) { -+ cmd_flags |= MCI_BIT(TRDIR); -+ host->dma.req.nr_sg -+ = dma_map_sg(&host->pdev->dev, data->sg, -+ data->sg_len, DMA_FROM_DEVICE); -+ host->dma.req.periph_id = host->dma.rx_periph_id; -+ host->dma.req.direction = DMA_DIR_PERIPH_TO_MEM; -+ host->dma.req.data_reg = host->mapbase + MCI_RDR; -+ } else { -+ host->dma.req.nr_sg -+ = dma_map_sg(&host->pdev->dev, data->sg, -+ data->sg_len, DMA_TO_DEVICE); -+ host->dma.req.periph_id = host->dma.tx_periph_id; -+ host->dma.req.direction = DMA_DIR_MEM_TO_PERIPH; -+ host->dma.req.data_reg = host->mapbase + MCI_TDR; -+ } -+ host->dma.req.sg = data->sg; -+ -+ dma_prepare_request_sg(host->dma.req.req.dmac, &host->dma.req); -+ -+ return cmd_flags; -+} -+ -+static void atmci_request(struct mmc_host *mmc, struct mmc_request *mrq) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ struct mmc_data *data = mrq->data; -+ u32 iflags; -+ u32 cmdflags = 0; -+ -+ iflags = mci_readl(host, IMR); -+ if (iflags) -+ printk("WARNING: IMR=0x%08x\n", mci_readl(host, IMR)); -+ -+ WARN_ON(host->mrq != NULL); -+ host->mrq = mrq; -+ host->pending_events = 0; -+ host->completed_events = 0; -+ -+ iflags = atmci_prepare_command(mmc, mrq->cmd, &cmdflags); -+ -+ if (mrq->stop) { -+ BUG_ON(!data); -+ -+ host->stop_iflags = atmci_prepare_command(mmc, mrq->stop, -+ &host->stop_cmdr); -+ host->stop_cmdr |= MCI_BF(TRCMD, MCI_TRCMD_STOP_TRANS); -+ if (!(data->flags & MMC_DATA_WRITE)) -+ host->stop_cmdr |= MCI_BIT(TRDIR); -+ if (data->flags & MMC_DATA_STREAM) -+ host->stop_cmdr |= MCI_BF(TRTYP, MCI_TRTYP_STREAM); -+ else -+ host->stop_cmdr |= MCI_BF(TRTYP, MCI_TRTYP_MULTI_BLOCK); -+ } -+ if (data) { -+ cmdflags |= atmci_prepare_data(mmc, data); -+ iflags |= MCI_DATA_ERROR_FLAGS; -+ } -+ -+ atmci_start_command(host, mrq->cmd, cmdflags); -+ mci_writel(host, IER, iflags); -+} -+ -+static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ -+ if (ios->clock) { -+ u32 clkdiv; -+ -+ clkdiv = host->bus_hz / (2 * ios->clock) - 1; -+ if (clkdiv > 255) -+ clkdiv = 255; -+ mci_writel(host, MR, (clkdiv -+ | MCI_BIT(WRPROOF) -+ | MCI_BIT(RDPROOF))); -+ } -+ -+ switch (ios->bus_width) { -+ case MMC_BUS_WIDTH_1: -+ mci_writel(host, SDCR, 0); -+ break; -+ case MMC_BUS_WIDTH_4: -+ mci_writel(host, SDCR, MCI_BIT(SDCBUS)); -+ break; -+ } -+ -+ switch (ios->power_mode) { -+ case MMC_POWER_OFF: -+ mci_writel(host, CR, MCI_BIT(MCIDIS)); -+ break; -+ case MMC_POWER_UP: -+ mci_writel(host, CR, MCI_BIT(SWRST)); -+ break; -+ case MMC_POWER_ON: -+ mci_writel(host, CR, MCI_BIT(MCIEN)); -+ break; -+ } -+} -+ -+static int atmci_get_ro(struct mmc_host *mmc) -+{ -+ int read_only = 0; -+ struct atmel_mci *host = mmc_priv(mmc); -+ -+ if (host->wp_pin >= 0) { -+ read_only = gpio_get_value(host->wp_pin); -+ pr_debug("%s: card is %s\n", mmc_hostname(mmc), -+ read_only ? "read-only" : "read-write"); -+ } else { -+ pr_debug("%s: no pin for checking read-only switch." -+ " Assuming write-enable.\n", mmc_hostname(mmc)); -+ } -+ -+ return read_only; -+} -+ -+static struct mmc_host_ops atmci_ops = { -+ .request = atmci_request, -+ .set_ios = atmci_set_ios, -+ .get_ro = atmci_get_ro, -+}; -+ -+static void atmci_request_end(struct mmc_host *mmc, struct mmc_request *mrq) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ -+ WARN_ON(host->cmd || host->data); -+ host->mrq = NULL; -+ -+ mmc_request_done(mmc, mrq); -+} -+ -+static void send_stop_cmd(struct mmc_host *mmc, struct mmc_data *data, -+ u32 flags) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ -+ atmci_start_command(host, data->stop, host->stop_cmdr | flags); -+ mci_writel(host, IER, host->stop_iflags); -+} -+ -+static void atmci_data_complete(struct atmel_mci *host, struct mmc_data *data) -+{ -+ host->data = NULL; -+ dma_unmap_sg(&host->pdev->dev, data->sg, host->dma.req.nr_sg, -+ ((data->flags & MMC_DATA_WRITE) -+ ? DMA_TO_DEVICE : DMA_FROM_DEVICE)); -+ -+ /* -+ * Data might complete before command for very short transfers -+ * (like READ_SCR) -+ */ -+ if (mci_cmd_is_complete(host) -+ && (!data->stop || mci_stop_is_complete(host))) -+ atmci_request_end(host->mmc, data->mrq); -+} -+ -+static void atmci_command_error(struct mmc_host *mmc, -+ struct mmc_command *cmd, -+ u32 status) -+{ -+ pr_debug("%s: command error: status=0x%08x\n", -+ mmc_hostname(mmc), status); -+ -+ if (status & MCI_BIT(RTOE)) -+ cmd->error = MMC_ERR_TIMEOUT; -+ else if (status & MCI_BIT(RCRCE)) -+ cmd->error = MMC_ERR_BADCRC; -+ else -+ cmd->error = MMC_ERR_FAILED; -+} -+ -+static void atmci_tasklet_func(unsigned long priv) -+{ -+ struct mmc_host *mmc = (struct mmc_host *)priv; -+ struct atmel_mci *host = mmc_priv(mmc); -+ struct mmc_request *mrq = host->mrq; -+ struct mmc_data *data = host->data; -+ -+ pr_debug("atmci_tasklet: pending/completed/mask %lx/%lx/%x\n", -+ host->pending_events, host->completed_events, -+ mci_readl(host, IMR)); -+ -+ if (mci_clear_cmd_error_is_pending(host)) { -+ struct mmc_command *cmd; -+ -+ mci_set_cmd_error_complete(host); -+ mci_clear_cmd_pending(host); -+ cmd = host->mrq->cmd; -+ -+ if (cmd->data) { -+ dma_stop_request(host->dma.req.req.dmac, -+ host->dma.req.req.channel); -+ host->data = NULL; -+ } -+ -+ atmci_command_error(mmc, cmd, host->error_status); -+ atmci_request_end(mmc, cmd->mrq); -+ } -+ if (mci_clear_stop_error_is_pending(host)) { -+ mci_set_stop_error_complete(host); -+ mci_clear_stop_pending(host); -+ atmci_command_error(mmc, host->mrq->stop, -+ host->error_status); -+ if (!host->data) -+ atmci_request_end(mmc, host->mrq); -+ } -+ if (mci_clear_cmd_is_pending(host)) { -+ mci_set_cmd_complete(host); -+ if (!mrq->data || mci_data_is_complete(host) -+ || mci_data_error_is_complete(host)) -+ atmci_request_end(mmc, mrq); -+ } -+ if (mci_clear_stop_is_pending(host)) { -+ mci_set_stop_complete(host); -+ if (mci_data_is_complete(host) -+ || mci_data_error_is_complete(host)) -+ atmci_request_end(mmc, mrq); -+ } -+ if (mci_clear_dma_error_is_pending(host)) { -+ mci_set_dma_error_complete(host); -+ mci_clear_data_pending(host); -+ -+ /* DMA controller got bus error => invalid address */ -+ data->error = MMC_ERR_INVALID; -+ -+ printk(KERN_DEBUG "%s: dma error after %u bytes xfered\n", -+ mmc_hostname(mmc), host->data->bytes_xfered); -+ -+ if (data->stop -+ && !mci_set_stop_sent_is_completed(host)) -+ /* TODO: Check if card is still present */ -+ send_stop_cmd(host->mmc, data, 0); -+ -+ atmci_data_complete(host, data); -+ } -+ if (mci_clear_data_error_is_pending(host)) { -+ u32 status = host->error_status; -+ -+ mci_set_data_error_complete(host); -+ mci_clear_data_pending(host); -+ -+ dma_stop_request(host->dma.req.req.dmac, -+ host->dma.req.req.channel); -+ -+ printk(KERN_DEBUG "%s: data error: status=0x%08x\n", -+ mmc_hostname(host->mmc), status); -+ -+ if (status & MCI_BIT(DCRCE)) { -+ printk(KERN_DEBUG "%s: Data CRC error\n", -+ mmc_hostname(host->mmc)); -+ data->error = MMC_ERR_BADCRC; -+ } else if (status & MCI_BIT(DTOE)) { -+ printk(KERN_DEBUG "%s: Data Timeout error\n", -+ mmc_hostname(host->mmc)); -+ data->error = MMC_ERR_TIMEOUT; -+ } else { -+ printk(KERN_DEBUG "%s: Data FIFO error\n", -+ mmc_hostname(host->mmc)); -+ data->error = MMC_ERR_FIFO; -+ } -+ printk(KERN_DEBUG "%s: Bytes xfered: %u\n", -+ mmc_hostname(host->mmc), data->bytes_xfered); -+ -+ if (data->stop -+ && !mci_set_stop_sent_is_completed(host)) -+ /* TODO: Check if card is still present */ -+ send_stop_cmd(host->mmc, data, 0); -+ -+ atmci_data_complete(host, data); -+ } -+ if (mci_clear_data_is_pending(host)) { -+ mci_set_data_complete(host); -+ data->bytes_xfered = data->blocks * data->blksz; -+ atmci_data_complete(host, data); -+ } -+ if (mci_clear_card_detect_is_pending(host)) { -+ /* Reset controller if card is gone */ -+ if (!host->present) { -+ mci_writel(host, CR, MCI_BIT(SWRST)); -+ mci_writel(host, IDR, ~0UL); -+ mci_writel(host, CR, MCI_BIT(MCIEN)); -+ } -+ -+ /* Clean up queue if present */ -+ if (mrq) { -+ if (!mci_cmd_is_complete(host) -+ && !mci_cmd_error_is_complete(host)) { -+ mrq->cmd->error = MMC_ERR_TIMEOUT; -+ } -+ if (mrq->data && !mci_data_is_complete(host) -+ && !mci_data_error_is_complete(host)) { -+ dma_stop_request(host->dma.req.req.dmac, -+ host->dma.req.req.channel); -+ host->data->error = MMC_ERR_TIMEOUT; -+ atmci_data_complete(host, data); -+ } -+ if (mrq->stop && !mci_stop_is_complete(host) -+ && !mci_stop_error_is_complete(host)) { -+ mrq->stop->error = MMC_ERR_TIMEOUT; -+ } -+ -+ host->cmd = NULL; -+ atmci_request_end(mmc, mrq); -+ } -+ mmc_detect_change(host->mmc, msecs_to_jiffies(100)); -+ } -+} -+ -+static void atmci_cmd_interrupt(struct mmc_host *mmc, u32 status) -+{ -+ struct atmel_mci *host = mmc_priv(mmc); -+ struct mmc_command *cmd = host->cmd; -+ -+ /* -+ * Read the response now so that we're free to send a new -+ * command immediately. -+ */ -+ cmd->resp[0] = mci_readl(host, RSPR); -+ cmd->resp[1] = mci_readl(host, RSPR); -+ cmd->resp[2] = mci_readl(host, RSPR); -+ cmd->resp[3] = mci_readl(host, RSPR); -+ -+ mci_writel(host, IDR, MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS); -+ host->cmd = NULL; -+ -+ if (mci_stop_sent_is_complete(host)) -+ mci_set_stop_pending(host); -+ else -+ mci_set_cmd_pending(host); -+ -+ tasklet_schedule(&host->tasklet); -+} -+ -+static void atmci_xfer_complete(struct dma_request *_req) -+{ -+ struct dma_request_sg *req = to_dma_request_sg(_req); -+ struct atmel_mci_dma *dma; -+ struct atmel_mci *host; -+ struct mmc_data *data; -+ -+ dma = container_of(req, struct atmel_mci_dma, req); -+ host = container_of(dma, struct atmel_mci, dma); -+ data = host->data; -+ -+ if (data->stop && !mci_set_stop_sent_is_completed(host)) -+ send_stop_cmd(host->mmc, data, 0); -+ -+ if (data->flags & MMC_DATA_READ) { -+ mci_writel(host, IDR, MCI_DATA_ERROR_FLAGS); -+ mci_set_data_pending(host); -+ tasklet_schedule(&host->tasklet); -+ } else { -+ /* -+ * For the WRITE case, wait for NOTBUSY. This function -+ * is called when everything has been written to the -+ * controller, not when the card is done programming. -+ */ -+ mci_writel(host, IER, MCI_BIT(NOTBUSY)); -+ } -+} -+ -+static void atmci_dma_error(struct dma_request *_req) -+{ -+ struct dma_request_sg *req = to_dma_request_sg(_req); -+ struct atmel_mci_dma *dma; -+ struct atmel_mci *host; -+ -+ dma = container_of(req, struct atmel_mci_dma, req); -+ host = container_of(dma, struct atmel_mci, dma); -+ -+ mci_writel(host, IDR, (MCI_BIT(NOTBUSY) -+ | MCI_DATA_ERROR_FLAGS)); -+ -+ mci_set_dma_error_pending(host); -+ tasklet_schedule(&host->tasklet); -+} -+ -+static irqreturn_t atmci_interrupt(int irq, void *dev_id) -+{ -+ struct mmc_host *mmc = dev_id; -+ struct atmel_mci *host = mmc_priv(mmc); -+ u32 status, mask, pending; -+ -+ spin_lock(&mmc->lock); -+ -+ status = mci_readl(host, SR); -+ mask = mci_readl(host, IMR); -+ pending = status & mask; -+ -+ do { -+ if (pending & MCI_CMD_ERROR_FLAGS) { -+ mci_writel(host, IDR, (MCI_BIT(CMDRDY) -+ | MCI_BIT(NOTBUSY) -+ | MCI_CMD_ERROR_FLAGS -+ | MCI_DATA_ERROR_FLAGS)); -+ host->error_status = status; -+ host->cmd = NULL; -+ if (mci_stop_sent_is_complete(host)) -+ mci_set_stop_error_pending(host); -+ else -+ mci_set_cmd_error_pending(host); -+ tasklet_schedule(&host->tasklet); -+ break; -+ } -+ if (pending & MCI_DATA_ERROR_FLAGS) { -+ mci_writel(host, IDR, (MCI_BIT(NOTBUSY) -+ | MCI_DATA_ERROR_FLAGS)); -+ host->error_status = status; -+ mci_set_data_error_pending(host); -+ tasklet_schedule(&host->tasklet); -+ break; -+ } -+ if (pending & MCI_BIT(CMDRDY)) -+ atmci_cmd_interrupt(mmc, status); -+ if (pending & MCI_BIT(NOTBUSY)) { -+ mci_writel(host, IDR, (MCI_BIT(NOTBUSY) -+ | MCI_DATA_ERROR_FLAGS)); -+ mci_set_data_pending(host); -+ tasklet_schedule(&host->tasklet); -+ } -+ -+ status = mci_readl(host, SR); -+ mask = mci_readl(host, IMR); -+ pending = status & mask; -+ } while (pending); -+ -+ spin_unlock(&mmc->lock); -+ -+ return IRQ_HANDLED; -+} -+ -+static irqreturn_t atmci_detect_change(int irq, void *dev_id) -+{ -+ struct mmc_host *mmc = dev_id; -+ struct atmel_mci *host = mmc_priv(mmc); -+ -+ int present = !gpio_get_value(irq_to_gpio(irq)); -+ -+ if (present != host->present) { -+ pr_debug("%s: card %s\n", mmc_hostname(host->mmc), -+ present ? "inserted" : "removed"); -+ host->present = present; -+ mci_set_card_detect_pending(host); -+ tasklet_schedule(&host->tasklet); -+ } -+ return IRQ_HANDLED; -+} -+ -+static int __devinit atmci_probe(struct platform_device *pdev) -+{ -+ struct mci_platform_data *board; -+ struct atmel_mci *host; -+ struct mmc_host *mmc; -+ struct resource *regs; -+ int irq; -+ int ret; -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) -+ return -ENXIO; -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) -+ return irq; -+ -+ board = pdev->dev.platform_data; -+ -+ mmc = mmc_alloc_host(sizeof(struct atmel_mci), &pdev->dev); -+ if (!mmc) -+ return -ENOMEM; -+ -+ host = mmc_priv(mmc); -+ host->pdev = pdev; -+ host->mmc = mmc; -+ if (board) { -+ host->detect_pin = board->detect_pin; -+ host->wp_pin = board->wp_pin; -+ } else { -+ host->detect_pin = -1; -+ host->detect_pin = -1; -+ } -+ -+ host->mck = clk_get(&pdev->dev, "mci_clk"); -+ if (IS_ERR(host->mck)) { -+ ret = PTR_ERR(host->mck); -+ goto out_free_host; -+ } -+ clk_enable(host->mck); -+ -+ ret = -ENOMEM; -+ host->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!host->regs) -+ goto out_disable_clk; -+ -+ host->bus_hz = clk_get_rate(host->mck); -+ host->mapbase = regs->start; -+ -+ mmc->ops = &atmci_ops; -+ mmc->f_min = (host->bus_hz + 511) / 512; -+ mmc->f_max = min((unsigned int)(host->bus_hz / 2), fmax); -+ mmc->ocr_avail = 0x00100000; -+ mmc->caps |= MMC_CAP_4_BIT_DATA; -+ -+ tasklet_init(&host->tasklet, atmci_tasklet_func, (unsigned long)mmc); -+ -+ ret = request_irq(irq, atmci_interrupt, 0, "mmci", mmc); -+ if (ret) -+ goto out_unmap; -+ -+ /* Assume card is present if we don't have a detect pin */ -+ host->present = 1; -+ if (host->detect_pin >= 0) { -+ if (gpio_request(host->detect_pin, "mmc_detect")) { -+ printk(KERN_WARNING "%s: no detect pin available\n", -+ mmc_hostname(host->mmc)); -+ host->detect_pin = -1; -+ } else { -+ host->present = !gpio_get_value(host->detect_pin); -+ } -+ } -+ if (host->wp_pin >= 0) { -+ if (gpio_request(host->wp_pin, "mmc_wp")) { -+ printk(KERN_WARNING "%s: no WP pin available\n", -+ mmc_hostname(host->mmc)); -+ host->wp_pin = -1; -+ } -+ } -+ -+ /* TODO: Get this information from platform data */ -+ ret = -ENOMEM; -+ host->dma.req.req.dmac = find_dma_controller(0); -+ if (!host->dma.req.req.dmac) { -+ printk(KERN_ERR -+ "mmci: No DMA controller available, aborting\n"); -+ goto out_free_irq; -+ } -+ ret = dma_alloc_channel(host->dma.req.req.dmac); -+ if (ret < 0) { -+ printk(KERN_ERR -+ "mmci: Unable to allocate DMA channel, aborting\n"); -+ goto out_free_irq; -+ } -+ host->dma.req.req.channel = ret; -+ host->dma.req.width = DMA_WIDTH_32BIT; -+ host->dma.req.req.xfer_complete = atmci_xfer_complete; -+ host->dma.req.req.block_complete = NULL; // atmci_block_complete; -+ host->dma.req.req.error = atmci_dma_error; -+ host->dma.rx_periph_id = 0; -+ host->dma.tx_periph_id = 1; -+ -+ mci_writel(host, CR, MCI_BIT(SWRST)); -+ mci_writel(host, IDR, ~0UL); -+ mci_writel(host, CR, MCI_BIT(MCIEN)); -+ -+ platform_set_drvdata(pdev, host); -+ -+ mmc_add_host(mmc); -+ -+ if (host->detect_pin >= 0) { -+ ret = request_irq(gpio_to_irq(host->detect_pin), -+ atmci_detect_change, -+ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, -+ DRIVER_NAME, mmc); -+ if (ret) { -+ printk(KERN_ERR -+ "%s: could not request IRQ %d for detect pin\n", -+ mmc_hostname(mmc), -+ gpio_to_irq(host->detect_pin)); -+ gpio_free(host->detect_pin); -+ host->detect_pin = -1; -+ } -+ } -+ -+ printk(KERN_INFO "%s: Atmel MCI controller at 0x%08lx irq %d\n", -+ mmc_hostname(mmc), host->mapbase, irq); -+ -+ atmci_init_debugfs(host); -+ -+ return 0; -+ -+out_free_irq: -+ if (host->detect_pin >= 0) -+ gpio_free(host->detect_pin); -+ if (host->wp_pin >= 0) -+ gpio_free(host->wp_pin); -+ free_irq(irq, mmc); -+out_unmap: -+ iounmap(host->regs); -+out_disable_clk: -+ clk_disable(host->mck); -+ clk_put(host->mck); -+out_free_host: -+ mmc_free_host(mmc); -+ return ret; -+} -+ -+static int __devexit atmci_remove(struct platform_device *pdev) -+{ -+ struct atmel_mci *host = platform_get_drvdata(pdev); -+ -+ platform_set_drvdata(pdev, NULL); -+ -+ if (host) { -+ atmci_cleanup_debugfs(host); -+ -+ if (host->detect_pin >= 0) { -+ free_irq(gpio_to_irq(host->detect_pin), host->mmc); -+ cancel_delayed_work(&host->mmc->detect); -+ gpio_free(host->detect_pin); -+ } -+ -+ mmc_remove_host(host->mmc); -+ -+ mci_writel(host, IDR, ~0UL); -+ mci_writel(host, CR, MCI_BIT(MCIDIS)); -+ mci_readl(host, SR); -+ -+ dma_release_channel(host->dma.req.req.dmac, -+ host->dma.req.req.channel); -+ -+ if (host->wp_pin >= 0) -+ gpio_free(host->wp_pin); -+ -+ free_irq(platform_get_irq(pdev, 0), host->mmc); -+ iounmap(host->regs); -+ -+ clk_disable(host->mck); -+ clk_put(host->mck); -+ -+ mmc_free_host(host->mmc); -+ } -+ return 0; -+} -+ -+static struct platform_driver atmci_driver = { -+ .probe = atmci_probe, -+ .remove = __devexit_p(atmci_remove), -+ .driver = { -+ .name = DRIVER_NAME, -+ }, -+}; -+ -+static int __init atmci_init(void) -+{ -+ return platform_driver_register(&atmci_driver); -+} -+ -+static void __exit atmci_exit(void) -+{ -+ platform_driver_unregister(&atmci_driver); -+} -+ -+module_init(atmci_init); -+module_exit(atmci_exit); -+ -+MODULE_DESCRIPTION("Atmel Multimedia Card Interface driver"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/mmc/host/atmel-mci.h b/drivers/mmc/host/atmel-mci.h -new file mode 100644 -index 0000000..60d15c4 ---- /dev/null -+++ b/drivers/mmc/host/atmel-mci.h -@@ -0,0 +1,192 @@ -+/* -+ * Atmel MultiMedia Card Interface driver -+ * -+ * Copyright (C) 2004-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __DRIVERS_MMC_ATMEL_MCI_H__ -+#define __DRIVERS_MMC_ATMEL_MCI_H__ -+ -+/* MCI register offsets */ -+#define MCI_CR 0x0000 -+#define MCI_MR 0x0004 -+#define MCI_DTOR 0x0008 -+#define MCI_SDCR 0x000c -+#define MCI_ARGR 0x0010 -+#define MCI_CMDR 0x0014 -+#define MCI_BLKR 0x0018 -+#define MCI_RSPR 0x0020 -+#define MCI_RSPR1 0x0024 -+#define MCI_RSPR2 0x0028 -+#define MCI_RSPR3 0x002c -+#define MCI_RDR 0x0030 -+#define MCI_TDR 0x0034 -+#define MCI_SR 0x0040 -+#define MCI_IER 0x0044 -+#define MCI_IDR 0x0048 -+#define MCI_IMR 0x004c -+ -+/* Bitfields in CR */ -+#define MCI_MCIEN_OFFSET 0 -+#define MCI_MCIEN_SIZE 1 -+#define MCI_MCIDIS_OFFSET 1 -+#define MCI_MCIDIS_SIZE 1 -+#define MCI_PWSEN_OFFSET 2 -+#define MCI_PWSEN_SIZE 1 -+#define MCI_PWSDIS_OFFSET 3 -+#define MCI_PWSDIS_SIZE 1 -+#define MCI_SWRST_OFFSET 7 -+#define MCI_SWRST_SIZE 1 -+ -+/* Bitfields in MR */ -+#define MCI_CLKDIV_OFFSET 0 -+#define MCI_CLKDIV_SIZE 8 -+#define MCI_PWSDIV_OFFSET 8 -+#define MCI_PWSDIV_SIZE 3 -+#define MCI_RDPROOF_OFFSET 11 -+#define MCI_RDPROOF_SIZE 1 -+#define MCI_WRPROOF_OFFSET 12 -+#define MCI_WRPROOF_SIZE 1 -+#define MCI_DMAPADV_OFFSET 14 -+#define MCI_DMAPADV_SIZE 1 -+#define MCI_BLKLEN_OFFSET 16 -+#define MCI_BLKLEN_SIZE 16 -+ -+/* Bitfields in DTOR */ -+#define MCI_DTOCYC_OFFSET 0 -+#define MCI_DTOCYC_SIZE 4 -+#define MCI_DTOMUL_OFFSET 4 -+#define MCI_DTOMUL_SIZE 3 -+ -+/* Bitfields in SDCR */ -+#define MCI_SDCSEL_OFFSET 0 -+#define MCI_SDCSEL_SIZE 4 -+#define MCI_SDCBUS_OFFSET 7 -+#define MCI_SDCBUS_SIZE 1 -+ -+/* Bitfields in ARGR */ -+#define MCI_ARG_OFFSET 0 -+#define MCI_ARG_SIZE 32 -+ -+/* Bitfields in CMDR */ -+#define MCI_CMDNB_OFFSET 0 -+#define MCI_CMDNB_SIZE 6 -+#define MCI_RSPTYP_OFFSET 6 -+#define MCI_RSPTYP_SIZE 2 -+#define MCI_SPCMD_OFFSET 8 -+#define MCI_SPCMD_SIZE 3 -+#define MCI_OPDCMD_OFFSET 11 -+#define MCI_OPDCMD_SIZE 1 -+#define MCI_MAXLAT_OFFSET 12 -+#define MCI_MAXLAT_SIZE 1 -+#define MCI_TRCMD_OFFSET 16 -+#define MCI_TRCMD_SIZE 2 -+#define MCI_TRDIR_OFFSET 18 -+#define MCI_TRDIR_SIZE 1 -+#define MCI_TRTYP_OFFSET 19 -+#define MCI_TRTYP_SIZE 2 -+ -+/* Bitfields in BLKR */ -+#define MCI_BCNT_OFFSET 0 -+#define MCI_BCNT_SIZE 16 -+ -+/* Bitfields in RSPRn */ -+#define MCI_RSP_OFFSET 0 -+#define MCI_RSP_SIZE 32 -+ -+/* Bitfields in SR/IER/IDR/IMR */ -+#define MCI_CMDRDY_OFFSET 0 -+#define MCI_CMDRDY_SIZE 1 -+#define MCI_RXRDY_OFFSET 1 -+#define MCI_RXRDY_SIZE 1 -+#define MCI_TXRDY_OFFSET 2 -+#define MCI_TXRDY_SIZE 1 -+#define MCI_BLKE_OFFSET 3 -+#define MCI_BLKE_SIZE 1 -+#define MCI_DTIP_OFFSET 4 -+#define MCI_DTIP_SIZE 1 -+#define MCI_NOTBUSY_OFFSET 5 -+#define MCI_NOTBUSY_SIZE 1 -+#define MCI_ENDRX_OFFSET 6 -+#define MCI_ENDRX_SIZE 1 -+#define MCI_ENDTX_OFFSET 7 -+#define MCI_ENDTX_SIZE 1 -+#define MCI_RXBUFF_OFFSET 14 -+#define MCI_RXBUFF_SIZE 1 -+#define MCI_TXBUFE_OFFSET 15 -+#define MCI_TXBUFE_SIZE 1 -+#define MCI_RINDE_OFFSET 16 -+#define MCI_RINDE_SIZE 1 -+#define MCI_RDIRE_OFFSET 17 -+#define MCI_RDIRE_SIZE 1 -+#define MCI_RCRCE_OFFSET 18 -+#define MCI_RCRCE_SIZE 1 -+#define MCI_RENDE_OFFSET 19 -+#define MCI_RENDE_SIZE 1 -+#define MCI_RTOE_OFFSET 20 -+#define MCI_RTOE_SIZE 1 -+#define MCI_DCRCE_OFFSET 21 -+#define MCI_DCRCE_SIZE 1 -+#define MCI_DTOE_OFFSET 22 -+#define MCI_DTOE_SIZE 1 -+#define MCI_OVRE_OFFSET 30 -+#define MCI_OVRE_SIZE 1 -+#define MCI_UNRE_OFFSET 31 -+#define MCI_UNRE_SIZE 1 -+ -+/* Constants for DTOMUL */ -+#define MCI_DTOMUL_1_CYCLE 0 -+#define MCI_DTOMUL_16_CYCLES 1 -+#define MCI_DTOMUL_128_CYCLES 2 -+#define MCI_DTOMUL_256_CYCLES 3 -+#define MCI_DTOMUL_1024_CYCLES 4 -+#define MCI_DTOMUL_4096_CYCLES 5 -+#define MCI_DTOMUL_65536_CYCLES 6 -+#define MCI_DTOMUL_1048576_CYCLES 7 -+ -+/* Constants for RSPTYP */ -+#define MCI_RSPTYP_NO_RESP 0 -+#define MCI_RSPTYP_48_BIT 1 -+#define MCI_RSPTYP_136_BIT 2 -+ -+/* Constants for SPCMD */ -+#define MCI_SPCMD_NO_SPEC_CMD 0 -+#define MCI_SPCMD_INIT_CMD 1 -+#define MCI_SPCMD_SYNC_CMD 2 -+#define MCI_SPCMD_INT_CMD 4 -+#define MCI_SPCMD_INT_RESP 5 -+ -+/* Constants for TRCMD */ -+#define MCI_TRCMD_NO_TRANS 0 -+#define MCI_TRCMD_START_TRANS 1 -+#define MCI_TRCMD_STOP_TRANS 2 -+ -+/* Constants for TRTYP */ -+#define MCI_TRTYP_BLOCK 0 -+#define MCI_TRTYP_MULTI_BLOCK 1 -+#define MCI_TRTYP_STREAM 2 -+ -+/* Bit manipulation macros */ -+#define MCI_BIT(name) \ -+ (1 << MCI_##name##_OFFSET) -+#define MCI_BF(name,value) \ -+ (((value) & ((1 << MCI_##name##_SIZE) - 1)) \ -+ << MCI_##name##_OFFSET) -+#define MCI_BFEXT(name,value) \ -+ (((value) >> MCI_##name##_OFFSET) \ -+ & ((1 << MCI_##name##_SIZE) - 1)) -+#define MCI_BFINS(name,value,old) \ -+ (((old) & ~(((1 << MCI_##name##_SIZE) - 1) \ -+ << MCI_##name##_OFFSET)) \ -+ | MCI_BF(name,value)) -+ -+/* Register access macros */ -+#define mci_readl(port,reg) \ -+ __raw_readl((port)->regs + MCI_##reg) -+#define mci_writel(port,reg,value) \ -+ __raw_writel((value), (port)->regs + MCI_##reg) -+ -+#endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */ -diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c -index 2f19fa7..94304ca 100644 ---- a/drivers/mtd/chips/cfi_cmdset_0001.c -+++ b/drivers/mtd/chips/cfi_cmdset_0001.c -@@ -50,6 +50,7 @@ - #define I82802AC 0x00ac - #define MANUFACTURER_ST 0x0020 - #define M50LPW080 0x002F -+#define AT49BV640D 0x02de - - static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); - static int cfi_intelext_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); -@@ -156,6 +157,47 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp) - } - #endif - -+/* Atmel chips don't use the same PRI format as Intel chips */ -+static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) -+{ -+ struct map_info *map = mtd->priv; -+ struct cfi_private *cfi = map->fldrv_priv; -+ struct cfi_pri_intelext *extp = cfi->cmdset_priv; -+ struct cfi_pri_atmel atmel_pri; -+ uint32_t features = 0; -+ -+ /* Reverse byteswapping */ -+ extp->FeatureSupport = cpu_to_le32(extp->FeatureSupport); -+ extp->BlkStatusRegMask = cpu_to_le16(extp->BlkStatusRegMask); -+ extp->ProtRegAddr = cpu_to_le16(extp->ProtRegAddr); -+ -+ memcpy(&atmel_pri, extp, sizeof(atmel_pri)); -+ memset((char *)extp + 5, 0, sizeof(*extp) - 5); -+ -+ printk(KERN_ERR "atmel Features: %02x\n", atmel_pri.Features); -+ -+ if (atmel_pri.Features & 0x01) /* chip erase supported */ -+ features |= (1<<0); -+ if (atmel_pri.Features & 0x02) /* erase suspend supported */ -+ features |= (1<<1); -+ if (atmel_pri.Features & 0x04) /* program suspend supported */ -+ features |= (1<<2); -+ if (atmel_pri.Features & 0x08) /* simultaneous operations supported */ -+ features |= (1<<9); -+ if (atmel_pri.Features & 0x20) /* page mode read supported */ -+ features |= (1<<7); -+ if (atmel_pri.Features & 0x40) /* queued erase supported */ -+ features |= (1<<4); -+ if (atmel_pri.Features & 0x80) /* Protection bits supported */ -+ features |= (1<<6); -+ -+ extp->FeatureSupport = features; -+ -+ /* burst write mode not supported */ -+ cfi->cfiq->BufWriteTimeoutTyp = 0; -+ cfi->cfiq->BufWriteTimeoutMax = 0; -+} -+ - #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE - /* Some Intel Strata Flash prior to FPO revision C has bugs in this area */ - static void fixup_intel_strataflash(struct mtd_info *mtd, void* param) -@@ -233,6 +275,7 @@ static void fixup_use_powerup_lock(struct mtd_info *mtd, void *param) - } - - static struct cfi_fixup cfi_fixup_table[] = { -+ { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, - #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE - { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL }, - #endif -diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c -index 1f64458..205977b 100644 ---- a/drivers/mtd/chips/cfi_cmdset_0002.c -+++ b/drivers/mtd/chips/cfi_cmdset_0002.c -@@ -185,6 +185,10 @@ static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) - extp->TopBottom = 2; - else - extp->TopBottom = 3; -+ -+ /* burst write mode not supported */ -+ cfi->cfiq->BufWriteTimeoutTyp = 0; -+ cfi->cfiq->BufWriteTimeoutMax = 0; - } - - static void fixup_use_secsi(struct mtd_info *mtd, void *param) -@@ -217,6 +221,7 @@ static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param) - } - - static struct cfi_fixup cfi_fixup_table[] = { -+ { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, - #ifdef AMD_BOOTLOC_BUG - { CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL }, - #endif -@@ -229,7 +234,6 @@ static struct cfi_fixup cfi_fixup_table[] = { - #if !FORCE_WORD_WRITE - { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, }, - #endif -- { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, - { 0, 0, NULL, NULL } - }; - static struct cfi_fixup jedec_fixup_table[] = { -diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig -index b49375a..b9cb56a 100644 ---- a/drivers/net/Kconfig -+++ b/drivers/net/Kconfig -@@ -191,7 +191,7 @@ config MII - config MACB - tristate "Atmel MACB support" - depends on NET_ETHERNET && (AVR32 || ARCH_AT91SAM9260 || ARCH_AT91SAM9263) -- select MII -+ select PHYLIB - help - The Atmel MACB ethernet interface is found on many AT32 and AT91 - parts. Say Y to include support for the MACB chip. -diff --git a/drivers/net/macb.c b/drivers/net/macb.c -index 0e04f7a..c20a585 100644 ---- a/drivers/net/macb.c -+++ b/drivers/net/macb.c -@@ -17,13 +17,14 @@ - #include <linux/init.h> - #include <linux/netdevice.h> - #include <linux/etherdevice.h> --#include <linux/mii.h> --#include <linux/mutex.h> - #include <linux/dma-mapping.h> --#include <linux/ethtool.h> - #include <linux/platform_device.h> -+#include <linux/phy.h> - - #include <asm/arch/board.h> -+#if defined(CONFIG_ARCH_AT91) -+#include <asm/arch/cpu.h> -+#endif - - #include "macb.h" - -@@ -85,172 +86,202 @@ static void __init macb_get_hwaddr(struct macb *bp) - memcpy(bp->dev->dev_addr, addr, sizeof(addr)); - } - --static void macb_enable_mdio(struct macb *bp) -+static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum) - { -- unsigned long flags; -- u32 reg; -- -- spin_lock_irqsave(&bp->lock, flags); -- reg = macb_readl(bp, NCR); -- reg |= MACB_BIT(MPE); -- macb_writel(bp, NCR, reg); -- macb_writel(bp, IER, MACB_BIT(MFD)); -- spin_unlock_irqrestore(&bp->lock, flags); --} -- --static void macb_disable_mdio(struct macb *bp) --{ -- unsigned long flags; -- u32 reg; -- -- spin_lock_irqsave(&bp->lock, flags); -- reg = macb_readl(bp, NCR); -- reg &= ~MACB_BIT(MPE); -- macb_writel(bp, NCR, reg); -- macb_writel(bp, IDR, MACB_BIT(MFD)); -- spin_unlock_irqrestore(&bp->lock, flags); --} -- --static int macb_mdio_read(struct net_device *dev, int phy_id, int location) --{ -- struct macb *bp = netdev_priv(dev); -+ struct macb *bp = bus->priv; - int value; - -- mutex_lock(&bp->mdio_mutex); -- -- macb_enable_mdio(bp); - macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF) - | MACB_BF(RW, MACB_MAN_READ) -- | MACB_BF(PHYA, phy_id) -- | MACB_BF(REGA, location) -+ | MACB_BF(PHYA, mii_id) -+ | MACB_BF(REGA, regnum) - | MACB_BF(CODE, MACB_MAN_CODE))); - -- wait_for_completion(&bp->mdio_complete); -+ /* wait for end of transfer */ -+ while (!MACB_BFEXT(IDLE, macb_readl(bp, NSR))) -+ cpu_relax(); - - value = MACB_BFEXT(DATA, macb_readl(bp, MAN)); -- macb_disable_mdio(bp); -- mutex_unlock(&bp->mdio_mutex); - - return value; - } - --static void macb_mdio_write(struct net_device *dev, int phy_id, -- int location, int val) -+static int macb_mdio_write(struct mii_bus *bus, int mii_id, int regnum, -+ u16 value) - { -- struct macb *bp = netdev_priv(dev); -- -- dev_dbg(&bp->pdev->dev, "mdio_write %02x:%02x <- %04x\n", -- phy_id, location, val); -- -- mutex_lock(&bp->mdio_mutex); -- macb_enable_mdio(bp); -+ struct macb *bp = bus->priv; - - macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF) - | MACB_BF(RW, MACB_MAN_WRITE) -- | MACB_BF(PHYA, phy_id) -- | MACB_BF(REGA, location) -+ | MACB_BF(PHYA, mii_id) -+ | MACB_BF(REGA, regnum) - | MACB_BF(CODE, MACB_MAN_CODE) -- | MACB_BF(DATA, val))); -+ | MACB_BF(DATA, value))); - -- wait_for_completion(&bp->mdio_complete); -+ /* wait for end of transfer */ -+ while (!MACB_BFEXT(IDLE, macb_readl(bp, NSR))) -+ cpu_relax(); - -- macb_disable_mdio(bp); -- mutex_unlock(&bp->mdio_mutex); -+ return 0; - } - --static int macb_phy_probe(struct macb *bp) -+static int macb_mdio_reset(struct mii_bus *bus) - { -- int phy_address; -- u16 phyid1, phyid2; -+ return 0; -+} - -- for (phy_address = 0; phy_address < 32; phy_address++) { -- phyid1 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID1); -- phyid2 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID2); -+static void macb_handle_link_change(struct net_device *dev) -+{ -+ struct macb *bp = netdev_priv(dev); -+ struct phy_device *phydev = bp->phy_dev; -+ unsigned long flags; - -- if (phyid1 != 0xffff && phyid1 != 0x0000 -- && phyid2 != 0xffff && phyid2 != 0x0000) -- break; -+ int status_change = 0; -+ -+ spin_lock_irqsave(&bp->lock, flags); -+ -+ if (phydev->link) { -+ if ((bp->speed != phydev->speed) || -+ (bp->duplex != phydev->duplex)) { -+ u32 reg; -+ -+ reg = macb_readl(bp, NCFGR); -+ reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD)); -+ -+ if (phydev->duplex) -+ reg |= MACB_BIT(FD); -+ if (phydev->speed) -+ reg |= MACB_BIT(SPD); -+ -+ macb_writel(bp, NCFGR, reg); -+ -+ bp->speed = phydev->speed; -+ bp->duplex = phydev->duplex; -+ status_change = 1; -+ } - } - -- if (phy_address == 32) -- return -ENODEV; -+ if (phydev->link != bp->link) { -+ if (phydev->link) -+ netif_schedule(dev); -+ else { -+ bp->speed = 0; -+ bp->duplex = -1; -+ } -+ bp->link = phydev->link; - -- dev_info(&bp->pdev->dev, -- "detected PHY at address %d (ID %04x:%04x)\n", -- phy_address, phyid1, phyid2); -+ status_change = 1; -+ } - -- bp->mii.phy_id = phy_address; -- return 0; -+ spin_unlock_irqrestore(&bp->lock, flags); -+ -+ if (status_change) { -+ if (phydev->link) -+ printk(KERN_INFO "%s: link up (%d/%s)\n", -+ dev->name, phydev->speed, -+ DUPLEX_FULL == phydev->duplex ? "Full":"Half"); -+ else -+ printk(KERN_INFO "%s: link down\n", dev->name); -+ } - } - --static void macb_set_media(struct macb *bp, int media) -+/* based on au1000_eth. c*/ -+static int macb_mii_probe(struct net_device *dev) - { -- u32 reg; -+ struct macb *bp = netdev_priv(dev); -+ struct phy_device *phydev = NULL; -+ struct eth_platform_data *pdata; -+ int phy_addr; - -- spin_lock_irq(&bp->lock); -- reg = macb_readl(bp, NCFGR); -- reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD)); -- if (media & (ADVERTISE_100HALF | ADVERTISE_100FULL)) -- reg |= MACB_BIT(SPD); -- if (media & ADVERTISE_FULL) -- reg |= MACB_BIT(FD); -- macb_writel(bp, NCFGR, reg); -- spin_unlock_irq(&bp->lock); -+ /* find the first phy */ -+ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { -+ if (bp->mii_bus.phy_map[phy_addr]) { -+ phydev = bp->mii_bus.phy_map[phy_addr]; -+ break; -+ } -+ } -+ -+ if (!phydev) { -+ printk (KERN_ERR "%s: no PHY found\n", dev->name); -+ return -1; -+ } -+ -+ pdata = bp->pdev->dev.platform_data; -+ /* TODO : add pin_irq */ -+ -+ /* attach the mac to the phy */ -+ if (pdata && pdata->is_rmii) { -+ phydev = phy_connect(dev, phydev->dev.bus_id, -+ &macb_handle_link_change, 0, PHY_INTERFACE_MODE_RMII); -+ } else { -+ phydev = phy_connect(dev, phydev->dev.bus_id, -+ &macb_handle_link_change, 0, PHY_INTERFACE_MODE_MII); -+ } -+ -+ if (IS_ERR(phydev)) { -+ printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); -+ return PTR_ERR(phydev); -+ } -+ -+ /* mask with MAC supported features */ -+ phydev->supported &= PHY_BASIC_FEATURES; -+ -+ phydev->advertising = phydev->supported; -+ -+ bp->link = 0; -+ bp->speed = 0; -+ bp->duplex = -1; -+ bp->phy_dev = phydev; -+ -+ return 0; - } - --static void macb_check_media(struct macb *bp, int ok_to_print, int init_media) -+static int macb_mii_init(struct macb *bp) - { -- struct mii_if_info *mii = &bp->mii; -- unsigned int old_carrier, new_carrier; -- int advertise, lpa, media, duplex; -+ struct eth_platform_data *pdata; -+ int err = -ENXIO, i; - -- /* if forced media, go no further */ -- if (mii->force_media) -- return; -+ /* Enable managment port */ -+ macb_writel(bp, NCR, MACB_BIT(MPE)); - -- /* check current and old link status */ -- old_carrier = netif_carrier_ok(mii->dev) ? 1 : 0; -- new_carrier = (unsigned int) mii_link_ok(mii); -+ bp->mii_bus.name = "MACB_mii_bus", -+ bp->mii_bus.read = &macb_mdio_read, -+ bp->mii_bus.write = &macb_mdio_write, -+ bp->mii_bus.reset = &macb_mdio_reset, -+ bp->mii_bus.id = bp->pdev->id, -+ bp->mii_bus.priv = bp, -+ bp->mii_bus.dev = &bp->dev->dev; -+ pdata = bp->pdev->dev.platform_data; - -- /* if carrier state did not change, assume nothing else did */ -- if (!init_media && old_carrier == new_carrier) -- return; -+ if (pdata) -+ bp->mii_bus.phy_mask = pdata->phy_mask; - -- /* no carrier, nothing much to do */ -- if (!new_carrier) { -- netif_carrier_off(mii->dev); -- printk(KERN_INFO "%s: link down\n", mii->dev->name); -- return; -+ bp->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); -+ if (!bp->mii_bus.irq) { -+ err = -ENOMEM; -+ goto err_out; - } - -- /* -- * we have carrier, see who's on the other end -- */ -- netif_carrier_on(mii->dev); -+ for (i = 0; i < PHY_MAX_ADDR; i++) -+ bp->mii_bus.irq[i] = PHY_POLL; - -- /* get MII advertise and LPA values */ -- if (!init_media && mii->advertising) { -- advertise = mii->advertising; -- } else { -- advertise = mii->mdio_read(mii->dev, mii->phy_id, MII_ADVERTISE); -- mii->advertising = advertise; -- } -- lpa = mii->mdio_read(mii->dev, mii->phy_id, MII_LPA); -+ platform_set_drvdata(bp->dev, &bp->mii_bus); - -- /* figure out media and duplex from advertise and LPA values */ -- media = mii_nway_result(lpa & advertise); -- duplex = (media & ADVERTISE_FULL) ? 1 : 0; -+ if (mdiobus_register(&bp->mii_bus)) -+ goto err_out_free_mdio_irq; - -- if (ok_to_print) -- printk(KERN_INFO "%s: link up, %sMbps, %s-duplex, lpa 0x%04X\n", -- mii->dev->name, -- media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ? "100" : "10", -- duplex ? "full" : "half", lpa); -+ if (macb_mii_probe(bp->dev) != 0) { -+ goto err_out_unregister_bus; -+ } - -- mii->full_duplex = duplex; -+ return 0; - -- /* Let the MAC know about the new link state */ -- macb_set_media(bp, media); -+err_out_unregister_bus: -+ mdiobus_unregister(&bp->mii_bus); -+err_out_free_mdio_irq: -+ kfree(bp->mii_bus.irq); -+err_out: -+ return err; - } - - static void macb_update_stats(struct macb *bp) -@@ -265,16 +296,6 @@ static void macb_update_stats(struct macb *bp) - *p += __raw_readl(reg); - } - --static void macb_periodic_task(struct work_struct *work) --{ -- struct macb *bp = container_of(work, struct macb, periodic_task.work); -- -- macb_update_stats(bp); -- macb_check_media(bp, 1, 0); -- -- schedule_delayed_work(&bp->periodic_task, HZ); --} -- - static void macb_tx(struct macb *bp) - { - unsigned int tail; -@@ -519,9 +540,6 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) - spin_lock(&bp->lock); - - while (status) { -- if (status & MACB_BIT(MFD)) -- complete(&bp->mdio_complete); -- - /* close possible race with dev_close */ - if (unlikely(!netif_running(dev))) { - macb_writel(bp, IDR, ~0UL); -@@ -535,7 +553,8 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) - * until we have processed the buffers - */ - macb_writel(bp, IDR, MACB_RX_INT_FLAGS); -- dev_dbg(&bp->pdev->dev, "scheduling RX softirq\n"); -+ dev_dbg(&bp->pdev->dev, -+ "scheduling RX softirq\n"); - __netif_rx_schedule(dev); - } - } -@@ -765,7 +784,7 @@ static void macb_init_hw(struct macb *bp) - macb_writel(bp, TBQP, bp->tx_ring_dma); - - /* Enable TX and RX */ -- macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE)); -+ macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE) | MACB_BIT(MPE)); - - /* Enable interrupts */ - macb_writel(bp, IER, (MACB_BIT(RCOMP) -@@ -776,18 +795,126 @@ static void macb_init_hw(struct macb *bp) - | MACB_BIT(TCOMP) - | MACB_BIT(ISR_ROVR) - | MACB_BIT(HRESP))); -+ - } - --static void macb_init_phy(struct net_device *dev) -+/* -+ * The hash address register is 64 bits long and takes up two -+ * locations in the memory map. The least significant bits are stored -+ * in EMAC_HSL and the most significant bits in EMAC_HSH. -+ * -+ * The unicast hash enable and the multicast hash enable bits in the -+ * network configuration register enable the reception of hash matched -+ * frames. The destination address is reduced to a 6 bit index into -+ * the 64 bit hash register using the following hash function. The -+ * hash function is an exclusive or of every sixth bit of the -+ * destination address. -+ * -+ * hi[5] = da[5] ^ da[11] ^ da[17] ^ da[23] ^ da[29] ^ da[35] ^ da[41] ^ da[47] -+ * hi[4] = da[4] ^ da[10] ^ da[16] ^ da[22] ^ da[28] ^ da[34] ^ da[40] ^ da[46] -+ * hi[3] = da[3] ^ da[09] ^ da[15] ^ da[21] ^ da[27] ^ da[33] ^ da[39] ^ da[45] -+ * hi[2] = da[2] ^ da[08] ^ da[14] ^ da[20] ^ da[26] ^ da[32] ^ da[38] ^ da[44] -+ * hi[1] = da[1] ^ da[07] ^ da[13] ^ da[19] ^ da[25] ^ da[31] ^ da[37] ^ da[43] -+ * hi[0] = da[0] ^ da[06] ^ da[12] ^ da[18] ^ da[24] ^ da[30] ^ da[36] ^ da[42] -+ * -+ * da[0] represents the least significant bit of the first byte -+ * received, that is, the multicast/unicast indicator, and da[47] -+ * represents the most significant bit of the last byte received. If -+ * the hash index, hi[n], points to a bit that is set in the hash -+ * register then the frame will be matched according to whether the -+ * frame is multicast or unicast. A multicast match will be signalled -+ * if the multicast hash enable bit is set, da[0] is 1 and the hash -+ * index points to a bit set in the hash register. A unicast match -+ * will be signalled if the unicast hash enable bit is set, da[0] is 0 -+ * and the hash index points to a bit set in the hash register. To -+ * receive all multicast frames, the hash register should be set with -+ * all ones and the multicast hash enable bit should be set in the -+ * network configuration register. -+ */ -+ -+static inline int hash_bit_value(int bitnr, __u8 *addr) - { -+ if (addr[bitnr / 8] & (1 << (bitnr % 8))) -+ return 1; -+ return 0; -+} -+ -+/* -+ * Return the hash index value for the specified address. -+ */ -+static int hash_get_index(__u8 *addr) -+{ -+ int i, j, bitval; -+ int hash_index = 0; -+ -+ for (j = 0; j < 6; j++) { -+ for (i = 0, bitval = 0; i < 8; i++) -+ bitval ^= hash_bit_value(i*6 + j, addr); -+ -+ hash_index |= (bitval << j); -+ } -+ -+ return hash_index; -+} -+ -+/* -+ * Add multicast addresses to the internal multicast-hash table. -+ */ -+static void macb_sethashtable(struct net_device *dev) -+{ -+ struct dev_mc_list *curr; -+ unsigned long mc_filter[2]; -+ unsigned int i, bitnr; -+ struct macb *bp = netdev_priv(dev); -+ -+ mc_filter[0] = mc_filter[1] = 0; -+ -+ curr = dev->mc_list; -+ for (i = 0; i < dev->mc_count; i++, curr = curr->next) { -+ if (!curr) break; /* unexpected end of list */ -+ -+ bitnr = hash_get_index(curr->dmi_addr); -+ mc_filter[bitnr >> 5] |= 1 << (bitnr & 31); -+ } -+ -+ macb_writel(bp, HRB, mc_filter[0]); -+ macb_writel(bp, HRT, mc_filter[1]); -+} -+ -+/* -+ * Enable/Disable promiscuous and multicast modes. -+ */ -+static void macb_set_rx_mode(struct net_device *dev) -+{ -+ unsigned long cfg; - struct macb *bp = netdev_priv(dev); - -- /* Set some reasonable default settings */ -- macb_mdio_write(dev, bp->mii.phy_id, MII_ADVERTISE, -- ADVERTISE_CSMA | ADVERTISE_ALL); -- macb_mdio_write(dev, bp->mii.phy_id, MII_BMCR, -- (BMCR_SPEED100 | BMCR_ANENABLE -- | BMCR_ANRESTART | BMCR_FULLDPLX)); -+ cfg = macb_readl(bp, NCFGR); -+ -+ if (dev->flags & IFF_PROMISC) -+ /* Enable promiscuous mode */ -+ cfg |= MACB_BIT(CAF); -+ else if (dev->flags & (~IFF_PROMISC)) -+ /* Disable promiscuous mode */ -+ cfg &= ~MACB_BIT(CAF); -+ -+ if (dev->flags & IFF_ALLMULTI) { -+ /* Enable all multicast mode */ -+ macb_writel(bp, HRB, -1); -+ macb_writel(bp, HRT, -1); -+ cfg |= MACB_BIT(NCFGR_MTI); -+ } else if (dev->mc_count > 0) { -+ /* Enable specific multicasts */ -+ macb_sethashtable(dev); -+ cfg |= MACB_BIT(NCFGR_MTI); -+ } else if (dev->flags & (~IFF_ALLMULTI)) { -+ /* Disable all multicast mode */ -+ macb_writel(bp, HRB, 0); -+ macb_writel(bp, HRT, 0); -+ cfg &= ~MACB_BIT(NCFGR_MTI); -+ } -+ -+ macb_writel(bp, NCFGR, cfg); - } - - static int macb_open(struct net_device *dev) -@@ -797,6 +924,10 @@ static int macb_open(struct net_device *dev) - - dev_dbg(&bp->pdev->dev, "open\n"); - -+ /* if the phy is not yet register, retry later*/ -+ if (!bp->phy_dev) -+ return -EAGAIN; -+ - if (!is_valid_ether_addr(dev->dev_addr)) - return -EADDRNOTAVAIL; - -@@ -810,12 +941,11 @@ static int macb_open(struct net_device *dev) - - macb_init_rings(bp); - macb_init_hw(bp); -- macb_init_phy(dev); - -- macb_check_media(bp, 1, 1); -- netif_start_queue(dev); -+ /* schedule a link state check */ -+ phy_start(bp->phy_dev); - -- schedule_delayed_work(&bp->periodic_task, HZ); -+ netif_start_queue(dev); - - return 0; - } -@@ -825,10 +955,11 @@ static int macb_close(struct net_device *dev) - struct macb *bp = netdev_priv(dev); - unsigned long flags; - -- cancel_rearming_delayed_work(&bp->periodic_task); -- - netif_stop_queue(dev); - -+ if (bp->phy_dev) -+ phy_stop(bp->phy_dev); -+ - spin_lock_irqsave(&bp->lock, flags); - macb_reset_hw(bp); - netif_carrier_off(dev); -@@ -845,6 +976,9 @@ static struct net_device_stats *macb_get_stats(struct net_device *dev) - struct net_device_stats *nstat = &bp->stats; - struct macb_stats *hwstat = &bp->hw_stats; - -+ /* read stats from hardware */ -+ macb_update_stats(bp); -+ - /* Convert HW stats into netdevice stats */ - nstat->rx_errors = (hwstat->rx_fcs_errors + - hwstat->rx_align_errors + -@@ -882,18 +1016,27 @@ static struct net_device_stats *macb_get_stats(struct net_device *dev) - static int macb_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) - { - struct macb *bp = netdev_priv(dev); -+ struct phy_device *phydev = bp->phy_dev; - -- return mii_ethtool_gset(&bp->mii, cmd); -+ if (!phydev) -+ return -ENODEV; -+ -+ return phy_ethtool_gset(phydev, cmd); - } - - static int macb_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) - { - struct macb *bp = netdev_priv(dev); -+ struct phy_device *phydev = bp->phy_dev; - -- return mii_ethtool_sset(&bp->mii, cmd); -+ if (!phydev) -+ return -ENODEV; -+ -+ return phy_ethtool_sset(phydev, cmd); - } - --static void macb_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) -+static void macb_get_drvinfo(struct net_device *dev, -+ struct ethtool_drvinfo *info) - { - struct macb *bp = netdev_priv(dev); - -@@ -902,104 +1045,34 @@ static void macb_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *inf - strcpy(info->bus_info, bp->pdev->dev.bus_id); - } - --static int macb_nway_reset(struct net_device *dev) --{ -- struct macb *bp = netdev_priv(dev); -- return mii_nway_restart(&bp->mii); --} -- - static struct ethtool_ops macb_ethtool_ops = { - .get_settings = macb_get_settings, - .set_settings = macb_set_settings, - .get_drvinfo = macb_get_drvinfo, -- .nway_reset = macb_nway_reset, - .get_link = ethtool_op_get_link, - }; - - static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) - { - struct macb *bp = netdev_priv(dev); -+ struct phy_device *phydev = bp->phy_dev; - - if (!netif_running(dev)) - return -EINVAL; - -- return generic_mii_ioctl(&bp->mii, if_mii(rq), cmd, NULL); --} -- --static ssize_t macb_mii_show(const struct device *_dev, char *buf, -- unsigned long addr) --{ -- struct net_device *dev = to_net_dev(_dev); -- struct macb *bp = netdev_priv(dev); -- ssize_t ret = -EINVAL; -- -- if (netif_running(dev)) { -- int value; -- value = macb_mdio_read(dev, bp->mii.phy_id, addr); -- ret = sprintf(buf, "0x%04x\n", (uint16_t)value); -- } -- -- return ret; --} -- --#define MII_ENTRY(name, addr) \ --static ssize_t show_##name(struct device *_dev, \ -- struct device_attribute *attr, \ -- char *buf) \ --{ \ -- return macb_mii_show(_dev, buf, addr); \ --} \ --static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) -- --MII_ENTRY(bmcr, MII_BMCR); --MII_ENTRY(bmsr, MII_BMSR); --MII_ENTRY(physid1, MII_PHYSID1); --MII_ENTRY(physid2, MII_PHYSID2); --MII_ENTRY(advertise, MII_ADVERTISE); --MII_ENTRY(lpa, MII_LPA); --MII_ENTRY(expansion, MII_EXPANSION); -- --static struct attribute *macb_mii_attrs[] = { -- &dev_attr_bmcr.attr, -- &dev_attr_bmsr.attr, -- &dev_attr_physid1.attr, -- &dev_attr_physid2.attr, -- &dev_attr_advertise.attr, -- &dev_attr_lpa.attr, -- &dev_attr_expansion.attr, -- NULL, --}; -- --static struct attribute_group macb_mii_group = { -- .name = "mii", -- .attrs = macb_mii_attrs, --}; -- --static void macb_unregister_sysfs(struct net_device *net) --{ -- struct device *_dev = &net->dev; -+ if (!phydev) -+ return -ENODEV; - -- sysfs_remove_group(&_dev->kobj, &macb_mii_group); -+ return phy_mii_ioctl(phydev, if_mii(rq), cmd); - } - --static int macb_register_sysfs(struct net_device *net) --{ -- struct device *_dev = &net->dev; -- int ret; -- -- ret = sysfs_create_group(&_dev->kobj, &macb_mii_group); -- if (ret) -- printk(KERN_WARNING -- "%s: sysfs mii attribute registration failed: %d\n", -- net->name, ret); -- return ret; --} - static int __devinit macb_probe(struct platform_device *pdev) - { - struct eth_platform_data *pdata; - struct resource *regs; - struct net_device *dev; - struct macb *bp; -+ struct phy_device *phydev; - unsigned long pclk_hz; - u32 config; - int err = -ENXIO; -@@ -1073,6 +1146,7 @@ static int __devinit macb_probe(struct platform_device *pdev) - dev->stop = macb_close; - dev->hard_start_xmit = macb_start_xmit; - dev->get_stats = macb_get_stats; -+ dev->set_multicast_list = macb_set_rx_mode; - dev->do_ioctl = macb_ioctl; - dev->poll = macb_poll; - dev->weight = 64; -@@ -1080,10 +1154,6 @@ static int __devinit macb_probe(struct platform_device *pdev) - - dev->base_addr = regs->start; - -- INIT_DELAYED_WORK(&bp->periodic_task, macb_periodic_task); -- mutex_init(&bp->mdio_mutex); -- init_completion(&bp->mdio_complete); -- - /* Set MII management clock divider */ - pclk_hz = clk_get_rate(bp->pclk); - if (pclk_hz <= 20000000) -@@ -1096,20 +1166,9 @@ static int __devinit macb_probe(struct platform_device *pdev) - config = MACB_BF(CLK, MACB_CLK_DIV64); - macb_writel(bp, NCFGR, config); - -- bp->mii.dev = dev; -- bp->mii.mdio_read = macb_mdio_read; -- bp->mii.mdio_write = macb_mdio_write; -- bp->mii.phy_id_mask = 0x1f; -- bp->mii.reg_num_mask = 0x1f; -- - macb_get_hwaddr(bp); -- err = macb_phy_probe(bp); -- if (err) { -- dev_err(&pdev->dev, "Failed to detect PHY, aborting.\n"); -- goto err_out_free_irq; -- } -- - pdata = pdev->dev.platform_data; -+ - if (pdata && pdata->is_rmii) - #if defined(CONFIG_ARCH_AT91) - macb_writel(bp, USRIO, (MACB_BIT(RMII) | MACB_BIT(CLKEN)) ); -@@ -1131,9 +1190,11 @@ static int __devinit macb_probe(struct platform_device *pdev) - goto err_out_free_irq; - } - -- platform_set_drvdata(pdev, dev); -+ if (macb_mii_init(bp) != 0) { -+ goto err_out_unregister_netdev; -+ } - -- macb_register_sysfs(dev); -+ platform_set_drvdata(pdev, dev); - - printk(KERN_INFO "%s: Atmel MACB at 0x%08lx irq %d " - "(%02x:%02x:%02x:%02x:%02x:%02x)\n", -@@ -1141,8 +1202,15 @@ static int __devinit macb_probe(struct platform_device *pdev) - dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], - dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); - -+ phydev = bp->phy_dev; -+ printk(KERN_INFO "%s: attached PHY driver [%s] " -+ "(mii_bus:phy_addr=%s, irq=%d)\n", -+ dev->name, phydev->drv->name, phydev->dev.bus_id, phydev->irq); -+ - return 0; - -+err_out_unregister_netdev: -+ unregister_netdev(dev); - err_out_free_irq: - free_irq(dev->irq, dev); - err_out_iounmap: -@@ -1153,7 +1221,9 @@ err_out_disable_clocks: - clk_put(bp->hclk); - #endif - clk_disable(bp->pclk); -+#ifndef CONFIG_ARCH_AT91 - err_out_put_pclk: -+#endif - clk_put(bp->pclk); - err_out_free_dev: - free_netdev(dev); -@@ -1171,7 +1241,8 @@ static int __devexit macb_remove(struct platform_device *pdev) - - if (dev) { - bp = netdev_priv(dev); -- macb_unregister_sysfs(dev); -+ mdiobus_unregister(&bp->mii_bus); -+ kfree(bp->mii_bus.irq); - unregister_netdev(dev); - free_irq(dev->irq, dev); - iounmap(bp->regs); -diff --git a/drivers/net/macb.h b/drivers/net/macb.h -index b3bb218..4e3283e 100644 ---- a/drivers/net/macb.h -+++ b/drivers/net/macb.h -@@ -383,11 +383,11 @@ struct macb { - - unsigned int rx_pending, tx_pending; - -- struct delayed_work periodic_task; -- -- struct mutex mdio_mutex; -- struct completion mdio_complete; -- struct mii_if_info mii; -+ struct mii_bus mii_bus; -+ struct phy_device *phy_dev; -+ unsigned int link; -+ unsigned int speed; -+ unsigned int duplex; - }; - - #endif /* _MACB_H */ -diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig -index 4e4c10a..6d014fb 100644 ---- a/drivers/rtc/Kconfig -+++ b/drivers/rtc/Kconfig -@@ -379,6 +379,13 @@ config RTC_DRV_PL031 - To compile this driver as a module, choose M here: the - module will be called rtc-pl031. - -+config RTC_DRV_AT32AP700X -+ tristate "AT32AP700X series RTC" -+ depends on RTC_CLASS && PLATFORM_AT32AP -+ help -+ Driver for the internal RTC (Realtime Clock) on Atmel AVR32 -+ AT32AP700x family processors. -+ - config RTC_DRV_AT91RM9200 - tristate "AT91RM9200" - depends on RTC_CLASS && ARCH_AT91RM9200 -diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile -index a1afbc2..5fb1c10 100644 ---- a/drivers/rtc/Makefile -+++ b/drivers/rtc/Makefile -@@ -19,6 +19,7 @@ obj-$(CONFIG_RTC_DRV_CMOS) += rtc-cmos.o - obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o - obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o - obj-$(CONFIG_RTC_DRV_TEST) += rtc-test.o -+obj-$(CONFIG_RTC_DRV_AT32AP700X) += rtc-at32ap700x.o - obj-$(CONFIG_RTC_DRV_DS1307) += rtc-ds1307.o - obj-$(CONFIG_RTC_DRV_DS1672) += rtc-ds1672.o - obj-$(CONFIG_RTC_DRV_DS1742) += rtc-ds1742.o -diff --git a/drivers/rtc/rtc-at32ap700x.c b/drivers/rtc/rtc-at32ap700x.c -new file mode 100644 -index 0000000..2999214 ---- /dev/null -+++ b/drivers/rtc/rtc-at32ap700x.c -@@ -0,0 +1,317 @@ -+/* -+ * An RTC driver for the AVR32 AT32AP700x processor series. -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published -+ * by the Free Software Foundation. -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/platform_device.h> -+#include <linux/rtc.h> -+#include <linux/io.h> -+ -+/* -+ * This is a bare-bones RTC. It runs during most system sleep states, but has -+ * no battery backup and gets reset during system restart. It must be -+ * initialized from an external clock (network, I2C, etc) before it can be of -+ * much use. -+ * -+ * The alarm functionality is limited by the hardware, not supporting -+ * periodic interrupts. -+ */ -+ -+#define RTC_CTRL 0x00 -+#define RTC_CTRL_EN 0 -+#define RTC_CTRL_PCLR 1 -+#define RTC_CTRL_TOPEN 2 -+#define RTC_CTRL_PSEL 8 -+ -+#define RTC_VAL 0x04 -+ -+#define RTC_TOP 0x08 -+ -+#define RTC_IER 0x10 -+#define RTC_IER_TOPI 0 -+ -+#define RTC_IDR 0x14 -+#define RTC_IDR_TOPI 0 -+ -+#define RTC_IMR 0x18 -+#define RTC_IMR_TOPI 0 -+ -+#define RTC_ISR 0x1c -+#define RTC_ISR_TOPI 0 -+ -+#define RTC_ICR 0x20 -+#define RTC_ICR_TOPI 0 -+ -+#define RTC_BIT(name) (1 << RTC_##name) -+#define RTC_BF(name, value) ((value) << RTC_##name) -+ -+#define rtc_readl(dev, reg) \ -+ __raw_readl((dev)->regs + RTC_##reg) -+#define rtc_writel(dev, reg, value) \ -+ __raw_writel((value), (dev)->regs + RTC_##reg) -+ -+struct rtc_at32ap700x { -+ struct rtc_device *rtc; -+ void __iomem *regs; -+ unsigned long alarm_time; -+ unsigned long irq; -+ /* Protect against concurrent register access. */ -+ spinlock_t lock; -+}; -+ -+static int at32_rtc_readtime(struct device *dev, struct rtc_time *tm) -+{ -+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev); -+ unsigned long now; -+ -+ now = rtc_readl(rtc, VAL); -+ rtc_time_to_tm(now, tm); -+ -+ return 0; -+} -+ -+static int at32_rtc_settime(struct device *dev, struct rtc_time *tm) -+{ -+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev); -+ unsigned long now; -+ int ret; -+ -+ ret = rtc_tm_to_time(tm, &now); -+ if (ret == 0) -+ rtc_writel(rtc, VAL, now); -+ -+ return ret; -+} -+ -+static int at32_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm) -+{ -+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev); -+ -+ rtc_time_to_tm(rtc->alarm_time, &alrm->time); -+ alrm->pending = rtc_readl(rtc, IMR) & RTC_BIT(IMR_TOPI) ? 1 : 0; -+ -+ return 0; -+} -+ -+static int at32_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) -+{ -+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev); -+ unsigned long rtc_unix_time; -+ unsigned long alarm_unix_time; -+ int ret; -+ -+ rtc_unix_time = rtc_readl(rtc, VAL); -+ -+ ret = rtc_tm_to_time(&alrm->time, &alarm_unix_time); -+ if (ret) -+ return ret; -+ -+ if (alarm_unix_time < rtc_unix_time) -+ return -EINVAL; -+ -+ spin_lock_irq(&rtc->lock); -+ rtc->alarm_time = alarm_unix_time; -+ rtc_writel(rtc, TOP, rtc->alarm_time); -+ if (alrm->pending) -+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL) -+ | RTC_BIT(CTRL_TOPEN)); -+ else -+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL) -+ & ~RTC_BIT(CTRL_TOPEN)); -+ spin_unlock_irq(&rtc->lock); -+ -+ return ret; -+} -+ -+static int at32_rtc_ioctl(struct device *dev, unsigned int cmd, -+ unsigned long arg) -+{ -+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev); -+ int ret = 0; -+ -+ spin_lock_irq(&rtc->lock); -+ -+ switch (cmd) { -+ case RTC_AIE_ON: -+ if (rtc_readl(rtc, VAL) > rtc->alarm_time) { -+ ret = -EINVAL; -+ break; -+ } -+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL) -+ | RTC_BIT(CTRL_TOPEN)); -+ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI)); -+ rtc_writel(rtc, IER, RTC_BIT(IER_TOPI)); -+ break; -+ case RTC_AIE_OFF: -+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL) -+ & ~RTC_BIT(CTRL_TOPEN)); -+ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI)); -+ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI)); -+ break; -+ default: -+ ret = -ENOIOCTLCMD; -+ break; -+ } -+ -+ spin_unlock_irq(&rtc->lock); -+ -+ return ret; -+} -+ -+static irqreturn_t at32_rtc_interrupt(int irq, void *dev_id) -+{ -+ struct rtc_at32ap700x *rtc = (struct rtc_at32ap700x *)dev_id; -+ unsigned long isr = rtc_readl(rtc, ISR); -+ unsigned long events = 0; -+ int ret = IRQ_NONE; -+ -+ spin_lock(&rtc->lock); -+ -+ if (isr & RTC_BIT(ISR_TOPI)) { -+ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI)); -+ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI)); -+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL) -+ & ~RTC_BIT(CTRL_TOPEN)); -+ rtc_writel(rtc, VAL, rtc->alarm_time); -+ events = RTC_AF | RTC_IRQF; -+ rtc_update_irq(rtc->rtc, 1, events); -+ ret = IRQ_HANDLED; -+ } -+ -+ spin_unlock(&rtc->lock); -+ -+ return ret; -+} -+ -+static struct rtc_class_ops at32_rtc_ops = { -+ .ioctl = at32_rtc_ioctl, -+ .read_time = at32_rtc_readtime, -+ .set_time = at32_rtc_settime, -+ .read_alarm = at32_rtc_readalarm, -+ .set_alarm = at32_rtc_setalarm, -+}; -+ -+static int __init at32_rtc_probe(struct platform_device *pdev) -+{ -+ struct resource *regs; -+ struct rtc_at32ap700x *rtc; -+ int irq = -1; -+ int ret; -+ -+ rtc = kzalloc(sizeof(struct rtc_at32ap700x), GFP_KERNEL); -+ if (!rtc) { -+ dev_dbg(&pdev->dev, "out of memory\n"); -+ return -ENOMEM; -+ } -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!regs) { -+ dev_dbg(&pdev->dev, "no mmio resource defined\n"); -+ ret = -ENXIO; -+ goto out; -+ } -+ -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) { -+ dev_dbg(&pdev->dev, "could not get irq\n"); -+ ret = -ENXIO; -+ goto out; -+ } -+ -+ ret = request_irq(irq, at32_rtc_interrupt, IRQF_SHARED, "rtc", rtc); -+ if (ret) { -+ dev_dbg(&pdev->dev, "could not request irq %d\n", irq); -+ goto out; -+ } -+ -+ rtc->irq = irq; -+ rtc->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!rtc->regs) { -+ ret = -ENOMEM; -+ dev_dbg(&pdev->dev, "could not map I/O memory\n"); -+ goto out_free_irq; -+ } -+ spin_lock_init(&rtc->lock); -+ -+ /* -+ * Maybe init RTC: count from zero at 1 Hz, disable wrap irq. -+ * -+ * Do not reset VAL register, as it can hold an old time -+ * from last JTAG reset. -+ */ -+ if (!(rtc_readl(rtc, CTRL) & RTC_BIT(CTRL_EN))) { -+ rtc_writel(rtc, CTRL, RTC_BIT(CTRL_PCLR)); -+ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI)); -+ rtc_writel(rtc, CTRL, RTC_BF(CTRL_PSEL, 0xe) -+ | RTC_BIT(CTRL_EN)); -+ } -+ -+ rtc->rtc = rtc_device_register(pdev->name, &pdev->dev, -+ &at32_rtc_ops, THIS_MODULE); -+ if (IS_ERR(rtc->rtc)) { -+ dev_dbg(&pdev->dev, "could not register rtc device\n"); -+ ret = PTR_ERR(rtc->rtc); -+ goto out_iounmap; -+ } -+ -+ platform_set_drvdata(pdev, rtc); -+ -+ dev_info(&pdev->dev, "Atmel RTC for AT32AP700x at %08lx irq %ld\n", -+ (unsigned long)rtc->regs, rtc->irq); -+ -+ return 0; -+ -+out_iounmap: -+ iounmap(rtc->regs); -+out_free_irq: -+ free_irq(irq, rtc); -+out: -+ kfree(rtc); -+ return ret; -+} -+ -+static int __exit at32_rtc_remove(struct platform_device *pdev) -+{ -+ struct rtc_at32ap700x *rtc = platform_get_drvdata(pdev); -+ -+ free_irq(rtc->irq, rtc); -+ iounmap(rtc->regs); -+ rtc_device_unregister(rtc->rtc); -+ kfree(rtc); -+ platform_set_drvdata(pdev, NULL); -+ -+ return 0; -+} -+ -+MODULE_ALIAS("at32ap700x_rtc"); -+ -+static struct platform_driver at32_rtc_driver = { -+ .remove = __exit_p(at32_rtc_remove), -+ .driver = { -+ .name = "at32ap700x_rtc", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init at32_rtc_init(void) -+{ -+ return platform_driver_probe(&at32_rtc_driver, at32_rtc_probe); -+} -+module_init(at32_rtc_init); -+ -+static void __exit at32_rtc_exit(void) -+{ -+ platform_driver_unregister(&at32_rtc_driver); -+} -+module_exit(at32_rtc_exit); -+ -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -+MODULE_DESCRIPTION("Real time clock for AVR32 AT32AP700x"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c -index 3320bcd..4d6b3c5 100644 ---- a/drivers/serial/atmel_serial.c -+++ b/drivers/serial/atmel_serial.c -@@ -114,6 +114,7 @@ struct atmel_uart_port { - struct uart_port uart; /* uart */ - struct clk *clk; /* uart clock */ - unsigned short suspended; /* is port suspended? */ -+ int break_active; /* break being received */ - }; - - static struct atmel_uart_port atmel_ports[ATMEL_MAX_UART]; -@@ -252,6 +253,7 @@ static void atmel_break_ctl(struct uart_port *port, int break_state) - */ - static void atmel_rx_chars(struct uart_port *port) - { -+ struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; - struct tty_struct *tty = port->info->tty; - unsigned int status, ch, flg; - -@@ -267,13 +269,29 @@ static void atmel_rx_chars(struct uart_port *port) - * note that the error handling code is - * out of the main execution path - */ -- if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME | ATMEL_US_OVRE | ATMEL_US_RXBRK))) { -+ if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME -+ | ATMEL_US_OVRE | ATMEL_US_RXBRK) -+ || atmel_port->break_active)) { - UART_PUT_CR(port, ATMEL_US_RSTSTA); /* clear error */ -- if (status & ATMEL_US_RXBRK) { -+ if (status & ATMEL_US_RXBRK -+ && !atmel_port->break_active) { - status &= ~(ATMEL_US_PARE | ATMEL_US_FRAME); /* ignore side-effect */ - port->icount.brk++; -+ atmel_port->break_active = 1; -+ UART_PUT_IER(port, ATMEL_US_RXBRK); - if (uart_handle_break(port)) - goto ignore_char; -+ } else { -+ /* -+ * This is either the end-of-break -+ * condition or we've received at -+ * least one character without RXBRK -+ * being set. In both cases, the next -+ * RXBRK will indicate start-of-break. -+ */ -+ UART_PUT_IDR(port, ATMEL_US_RXBRK); -+ status &= ~ATMEL_US_RXBRK; -+ atmel_port->break_active = 0; - } - if (status & ATMEL_US_PARE) - port->icount.parity++; -@@ -352,6 +370,16 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id) - /* Interrupt receive */ - if (pending & ATMEL_US_RXRDY) - atmel_rx_chars(port); -+ else if (pending & ATMEL_US_RXBRK) { -+ /* -+ * End of break detected. If it came along -+ * with a character, atmel_rx_chars will -+ * handle it. -+ */ -+ UART_PUT_CR(port, ATMEL_US_RSTSTA); -+ UART_PUT_IDR(port, ATMEL_US_RXBRK); -+ atmel_port->break_active = 0; -+ } - - // TODO: All reads to CSR will clear these interrupts! - if (pending & ATMEL_US_RIIC) port->icount.rng++; -diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c -index 8b2601d..8f5453f 100644 ---- a/drivers/spi/atmel_spi.c -+++ b/drivers/spi/atmel_spi.c -@@ -412,8 +412,8 @@ static int atmel_spi_setup(struct spi_device *spi) - csr |= SPI_BIT(NCPHA); - - /* TODO: DLYBS and DLYBCT */ -- csr |= SPI_BF(DLYBS, 10); -- csr |= SPI_BF(DLYBCT, 10); -+ csr |= SPI_BF(DLYBS, 0); -+ csr |= SPI_BF(DLYBCT, 0); - - /* chipselect must have been muxed as GPIO (e.g. in board setup) */ - npcs_pin = (unsigned int)spi->controller_data; -diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig -index f771a7c..0c3d55b 100644 ---- a/drivers/usb/gadget/Kconfig -+++ b/drivers/usb/gadget/Kconfig -@@ -175,6 +175,19 @@ config USB_LH7A40X - default USB_GADGET - select USB_GADGET_SELECTED - -+config USB_GADGET_ATMEL_USBA -+ boolean "Atmel USBA" -+ select USB_GADGET_DUALSPEED -+ depends on AVR32 -+ help -+ USBA is the integrated high-speed USB Device controller on -+ the AT32AP700x processors from Atmel. -+ -+config USB_ATMEL_USBA -+ tristate -+ depends on USB_GADGET_ATMEL_USBA -+ default USB_GADGET -+ select USB_GADGET_SELECTED - - config USB_GADGET_OMAP - boolean "OMAP USB Device Controller" -diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile -index 5db1939..c28da01 100644 ---- a/drivers/usb/gadget/Makefile -+++ b/drivers/usb/gadget/Makefile -@@ -8,6 +8,7 @@ obj-$(CONFIG_USB_GOKU) += goku_udc.o - obj-$(CONFIG_USB_OMAP) += omap_udc.o - obj-$(CONFIG_USB_LH7A40X) += lh7a40x_udc.o - obj-$(CONFIG_USB_AT91) += at91_udc.o -+obj-$(CONFIG_USB_ATMEL_USBA) += atmel_usba_udc.o - obj-$(CONFIG_USB_FSL_USB2) += fsl_usb2_udc.o - - # -diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c -new file mode 100644 -index 0000000..34dbae3 ---- /dev/null -+++ b/drivers/usb/gadget/atmel_usba_udc.c -@@ -0,0 +1,2072 @@ -+/* -+ * Driver for the Atmel USBA high speed USB device controller -+ * -+ * Copyright (C) 2005-2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+/* #define DEBUG */ -+ -+#include <linux/clk.h> -+#include <linux/module.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/io.h> -+#include <linux/device.h> -+#include <linux/dma-mapping.h> -+#include <linux/list.h> -+#include <linux/platform_device.h> -+#include <linux/usb/ch9.h> -+#include <linux/usb_gadget.h> -+#include <linux/delay.h> -+ -+#include <asm/gpio.h> -+#include <asm/arch/board.h> -+ -+#include "atmel_usba_udc.h" -+ -+#define DMA_ADDR_INVALID (~(dma_addr_t)0) -+ -+#define FIFO_IOMEM_ID 0 -+#define CTRL_IOMEM_ID 1 -+ -+#ifdef DEBUG -+#define DBG_ERR 0x0001 /* report all error returns */ -+#define DBG_HW 0x0002 /* debug hardware initialization */ -+#define DBG_GADGET 0x0004 /* calls to/from gadget driver */ -+#define DBG_INT 0x0008 /* interrupts */ -+#define DBG_BUS 0x0010 /* report changes in bus state */ -+#define DBG_QUEUE 0x0020 /* debug request queue processing */ -+#define DBG_FIFO 0x0040 /* debug FIFO contents */ -+#define DBG_DMA 0x0080 /* debug DMA handling */ -+#define DBG_REQ 0x0100 /* print out queued request length */ -+#define DBG_ALL 0xffff -+#define DBG_NONE 0x0000 -+ -+#define DEBUG_LEVEL (DBG_ERR) -+#define DBG(level, fmt, ...) \ -+ do { \ -+ if ((level) & DEBUG_LEVEL) \ -+ printk(KERN_DEBUG "udc: " fmt, ## __VA_ARGS__); \ -+ } while (0) -+#else -+#define DBG(level, fmt...) -+#endif -+ -+static struct usba_udc the_udc; -+ -+#ifdef CONFIG_DEBUG_FS -+#include <linux/debugfs.h> -+#include <linux/uaccess.h> -+ -+static int queue_dbg_open(struct inode *inode, struct file *file) -+{ -+ struct usba_ep *ep = inode->i_private; -+ struct usba_request *req, *req_copy; -+ struct list_head *queue_data; -+ -+ queue_data = kmalloc(sizeof(*queue_data), GFP_KERNEL); -+ if (!queue_data) -+ return -ENOMEM; -+ INIT_LIST_HEAD(queue_data); -+ -+ spin_lock_irq(&ep->udc->lock); -+ list_for_each_entry(req, &ep->queue, queue) { -+ req_copy = kmalloc(sizeof(*req_copy), GFP_ATOMIC); -+ if (!req_copy) -+ goto fail; -+ memcpy(req_copy, req, sizeof(*req_copy)); -+ list_add_tail(&req_copy->queue, queue_data); -+ } -+ spin_unlock_irq(&ep->udc->lock); -+ -+ file->private_data = queue_data; -+ return 0; -+ -+fail: -+ spin_unlock_irq(&ep->udc->lock); -+ list_for_each_entry_safe(req, req_copy, queue_data, queue) { -+ list_del(&req->queue); -+ kfree(req); -+ } -+ kfree(queue_data); -+ return -ENOMEM; -+} -+ -+/* -+ * bbbbbbbb llllllll IZS sssss nnnn FDL\n\0 -+ * -+ * b: buffer address -+ * l: buffer length -+ * I/i: interrupt/no interrupt -+ * Z/z: zero/no zero -+ * S/s: short ok/short not ok -+ * s: status -+ * n: nr_packets -+ * F/f: submitted/not submitted to FIFO -+ * D/d: using/not using DMA -+ * L/l: last transaction/not last transaction -+ */ -+static ssize_t queue_dbg_read(struct file *file, char __user *buf, -+ size_t nbytes, loff_t *ppos) -+{ -+ struct list_head *queue = file->private_data; -+ struct usba_request *req, *tmp_req; -+ size_t len, remaining, actual = 0; -+ char tmpbuf[38]; -+ -+ if (!access_ok(VERIFY_WRITE, buf, nbytes)) -+ return -EFAULT; -+ -+ mutex_lock(&file->f_dentry->d_inode->i_mutex); -+ list_for_each_entry_safe(req, tmp_req, queue, queue) { -+ len = snprintf(tmpbuf, sizeof(tmpbuf), -+ "%8p %08x %c%c%c %5d %c%c%c\n", -+ req->req.buf, req->req.length, -+ req->req.no_interrupt ? 'i' : 'I', -+ req->req.zero ? 'Z' : 'z', -+ req->req.short_not_ok ? 's' : 'S', -+ req->req.status, -+ req->submitted ? 'F' : 'f', -+ req->using_dma ? 'D' : 'd', -+ req->last_transaction ? 'L' : 'l'); -+ len = min(len, sizeof(tmpbuf)); -+ if (len > nbytes) -+ break; -+ -+ list_del(&req->queue); -+ kfree(req); -+ -+ remaining = __copy_to_user(buf, tmpbuf, len); -+ actual += len - remaining; -+ if (remaining) -+ break; -+ -+ nbytes -= len; -+ buf += len; -+ } -+ mutex_unlock(&file->f_dentry->d_inode->i_mutex); -+ -+ return actual; -+} -+ -+static int queue_dbg_release(struct inode *inode, struct file *file) -+{ -+ struct list_head *queue_data = file->private_data; -+ struct usba_request *req, *tmp_req; -+ -+ list_for_each_entry_safe(req, tmp_req, queue_data, queue) { -+ list_del(&req->queue); -+ kfree(req); -+ } -+ kfree(queue_data); -+ return 0; -+} -+ -+static int regs_dbg_open(struct inode *inode, struct file *file) -+{ -+ struct usba_udc *udc; -+ unsigned int i; -+ u32 *data; -+ int ret = -ENOMEM; -+ -+ mutex_lock(&inode->i_mutex); -+ udc = inode->i_private; -+ data = kmalloc(inode->i_size, GFP_KERNEL); -+ if (!data) -+ goto out; -+ -+ spin_lock_irq(&udc->lock); -+ for (i = 0; i < inode->i_size / 4; i++) -+ data[i] = __raw_readl(udc->regs + i * 4); -+ spin_unlock_irq(&udc->lock); -+ -+ file->private_data = data; -+ ret = 0; -+ -+out: -+ mutex_unlock(&inode->i_mutex); -+ -+ return ret; -+} -+ -+static ssize_t regs_dbg_read(struct file *file, char __user *buf, -+ size_t nbytes, loff_t *ppos) -+{ -+ struct inode *inode = file->f_dentry->d_inode; -+ int ret; -+ -+ mutex_lock(&inode->i_mutex); -+ ret = simple_read_from_buffer(buf, nbytes, ppos, -+ file->private_data, -+ file->f_dentry->d_inode->i_size); -+ mutex_unlock(&inode->i_mutex); -+ -+ return ret; -+} -+ -+static int regs_dbg_release(struct inode *inode, struct file *file) -+{ -+ kfree(file->private_data); -+ return 0; -+} -+ -+const struct file_operations queue_dbg_fops = { -+ .owner = THIS_MODULE, -+ .open = queue_dbg_open, -+ .llseek = no_llseek, -+ .read = queue_dbg_read, -+ .release = queue_dbg_release, -+}; -+ -+const struct file_operations regs_dbg_fops = { -+ .owner = THIS_MODULE, -+ .open = regs_dbg_open, -+ .llseek = generic_file_llseek, -+ .read = regs_dbg_read, -+ .release = regs_dbg_release, -+}; -+ -+static void usba_ep_init_debugfs(struct usba_udc *udc, -+ struct usba_ep *ep) -+{ -+ struct dentry *ep_root; -+ -+ ep_root = debugfs_create_dir(ep_name(ep), udc->debugfs_root); -+ if (!ep_root) -+ goto err_root; -+ ep->debugfs_dir = ep_root; -+ -+ ep->debugfs_queue = debugfs_create_file("queue", 0400, ep_root, -+ ep, &queue_dbg_fops); -+ if (!ep->debugfs_queue) -+ goto err_queue; -+ -+ if (ep_can_dma(ep)) { -+ ep->debugfs_dma_status -+ = debugfs_create_u32("dma_status", 0400, ep_root, -+ &ep->last_dma_status); -+ if (!ep->debugfs_dma_status) -+ goto err_dma_status; -+ } -+ if (ep_is_control(ep)) { -+ ep->debugfs_state -+ = debugfs_create_u32("state", 0400, ep_root, -+ &ep->state); -+ if (!ep->debugfs_state) -+ goto err_state; -+ } -+ -+ return; -+ -+err_state: -+ if (ep_can_dma(ep)) -+ debugfs_remove(ep->debugfs_dma_status); -+err_dma_status: -+ debugfs_remove(ep->debugfs_queue); -+err_queue: -+ debugfs_remove(ep_root); -+err_root: -+ dev_err(&ep->udc->pdev->dev, -+ "failed to create debugfs directory for %s\n", ep_name(ep)); -+} -+ -+static void usba_ep_cleanup_debugfs(struct usba_ep *ep) -+{ -+ debugfs_remove(ep->debugfs_queue); -+ debugfs_remove(ep->debugfs_dma_status); -+ debugfs_remove(ep->debugfs_state); -+ debugfs_remove(ep->debugfs_dir); -+ ep->debugfs_dma_status = NULL; -+ ep->debugfs_dir = NULL; -+} -+ -+static void usba_init_debugfs(struct usba_udc *udc) -+{ -+ struct dentry *root, *regs; -+ struct resource *regs_resource; -+ -+ root = debugfs_create_dir(udc->gadget.name, NULL); -+ if (IS_ERR(root) || !root) -+ goto err_root; -+ udc->debugfs_root = root; -+ -+ regs = debugfs_create_file("regs", 0400, root, udc, ®s_dbg_fops); -+ if (!regs) -+ goto err_regs; -+ -+ regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM, -+ CTRL_IOMEM_ID); -+ regs->d_inode->i_size = regs_resource->end - regs_resource->start + 1; -+ udc->debugfs_regs = regs; -+ -+ usba_ep_init_debugfs(udc, to_usba_ep(udc->gadget.ep0)); -+ -+ return; -+ -+err_regs: -+ debugfs_remove(root); -+err_root: -+ udc->debugfs_root = NULL; -+ dev_err(&udc->pdev->dev, "debugfs is not available\n"); -+} -+ -+static void usba_cleanup_debugfs(struct usba_udc *udc) -+{ -+ usba_ep_cleanup_debugfs(to_usba_ep(udc->gadget.ep0)); -+ debugfs_remove(udc->debugfs_regs); -+ debugfs_remove(udc->debugfs_root); -+ udc->debugfs_regs = NULL; -+ udc->debugfs_root = NULL; -+} -+#else -+static inline void usba_ep_init_debugfs(struct usba_udc *udc, -+ struct usba_ep *ep) -+{ -+ -+} -+ -+static inline void usba_ep_cleanup_debugfs(struct usba_ep *ep) -+{ -+ -+} -+ -+static inline void usba_init_debugfs(struct usba_udc *udc) -+{ -+ -+} -+ -+static inline void usba_cleanup_debugfs(struct usba_udc *udc) -+{ -+ -+} -+#endif -+ -+static int vbus_is_present(struct usba_udc *udc) -+{ -+ if (udc->vbus_pin != -1) -+ return gpio_get_value(udc->vbus_pin); -+ -+ /* No Vbus detection: Assume always present */ -+ return 1; -+} -+ -+static void copy_to_fifo(void __iomem *fifo, const void *buf, int len) -+{ -+ unsigned long tmp; -+ -+ DBG(DBG_FIFO, "copy to FIFO (len %d):\n", len); -+ for (; len > 0; len -= 4, buf += 4, fifo += 4) { -+ tmp = *(unsigned long *)buf; -+ if (len >= 4) { -+ DBG(DBG_FIFO, " -> %08lx\n", tmp); -+ __raw_writel(tmp, fifo); -+ } else { -+ do { -+ DBG(DBG_FIFO, " -> %02lx\n", tmp >> 24); -+ __raw_writeb(tmp >> 24, fifo); -+ fifo++; -+ tmp <<= 8; -+ } while (--len); -+ break; -+ } -+ } -+} -+ -+static void copy_from_fifo(void *buf, void __iomem *fifo, int len) -+{ -+ union { -+ unsigned long *w; -+ unsigned char *b; -+ } p; -+ unsigned long tmp; -+ -+ DBG(DBG_FIFO, "copy from FIFO (len %d):\n", len); -+ for (p.w = buf; len > 0; len -= 4, p.w++, fifo += 4) { -+ if (len >= 4) { -+ tmp = __raw_readl(fifo); -+ *p.w = tmp; -+ DBG(DBG_FIFO, " -> %08lx\n", tmp); -+ } else { -+ do { -+ tmp = __raw_readb(fifo); -+ *p.b = tmp; -+ DBG(DBG_FIFO, " -> %02lx\n", tmp); -+ fifo++, p.b++; -+ } while (--len); -+ } -+ } -+} -+ -+static void next_fifo_transaction(struct usba_ep *ep, -+ struct usba_request *req) -+{ -+ unsigned int transaction_len; -+ -+ transaction_len = req->req.length - req->req.actual; -+ req->last_transaction = 1; -+ if (transaction_len > ep->ep.maxpacket) { -+ transaction_len = ep->ep.maxpacket; -+ req->last_transaction = 0; -+ } else if (transaction_len == ep->ep.maxpacket -+ && req->req.zero) { -+ req->last_transaction = 0; -+ } -+ DBG(DBG_QUEUE, "%s: submit_transaction, req %p (length %d)%s\n", -+ ep_name(ep), req, transaction_len, -+ req->last_transaction ? ", done" : ""); -+ -+ copy_to_fifo(ep->fifo, req->req.buf + req->req.actual, transaction_len); -+ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY)); -+ req->req.actual += transaction_len; -+} -+ -+static void submit_request(struct usba_ep *ep, struct usba_request *req) -+{ -+ DBG(DBG_QUEUE, "%s: submit_request: req %p (length %d)\n", -+ ep_name(ep), req, req->req.length); -+ -+ req->req.actual = 0; -+ req->submitted = 1; -+ -+ if (req->using_dma) { -+ if (req->req.length == 0) { -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY)); -+ return; -+ } -+ -+ if (req->req.zero) -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(SHORT_PACKET)); -+ else -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(SHORT_PACKET)); -+ -+ usba_dma_writel(ep, ADDRESS, req->req.dma); -+ usba_dma_writel(ep, CONTROL, req->ctrl); -+ } else { -+ next_fifo_transaction(ep, req); -+ if (req->last_transaction) { -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY)); -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE)); -+ } else { -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE)); -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY)); -+ } -+ } -+} -+ -+static void submit_next_request(struct usba_ep *ep) -+{ -+ struct usba_request *req; -+ -+ if (list_empty(&ep->queue)) { -+ usba_ep_writel(ep, CTL_DIS, (USBA_BIT(TX_PK_RDY) -+ | USBA_BIT(RX_BK_RDY))); -+ return; -+ } -+ -+ req = list_entry(ep->queue.next, struct usba_request, queue); -+ if (!req->submitted) -+ submit_request(ep, req); -+} -+ -+static void send_status(struct usba_udc *udc, struct usba_ep *ep) -+{ -+ ep->state = STATUS_STAGE_IN; -+ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY)); -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE)); -+} -+ -+static void receive_data(struct usba_ep *ep) -+{ -+ struct usba_udc *udc = ep->udc; -+ struct usba_request *req; -+ unsigned long status; -+ unsigned int bytecount, nr_busy; -+ int is_complete = 0; -+ -+ status = usba_ep_readl(ep, STA); -+ nr_busy = USBA_BFEXT(BUSY_BANKS, status); -+ -+ DBG(DBG_QUEUE, "receive data: nr_busy=%u\n", nr_busy); -+ -+ while (nr_busy > 0) { -+ if (list_empty(&ep->queue)) { -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY)); -+ break; -+ } -+ req = list_entry(ep->queue.next, -+ struct usba_request, queue); -+ -+ bytecount = USBA_BFEXT(BYTE_COUNT, status); -+ -+ if (status & (1 << 31)) -+ is_complete = 1; -+ if (req->req.actual + bytecount >= req->req.length) { -+ is_complete = 1; -+ bytecount = req->req.length - req->req.actual; -+ } -+ -+ copy_from_fifo(req->req.buf + req->req.actual, -+ ep->fifo, bytecount); -+ req->req.actual += bytecount; -+ -+ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY)); -+ -+ if (is_complete) { -+ DBG(DBG_QUEUE, "%s: request done\n", ep_name(ep)); -+ req->req.status = 0; -+ list_del_init(&req->queue); -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY)); -+ req->req.complete(&ep->ep, &req->req); -+ } -+ -+ status = usba_ep_readl(ep, STA); -+ nr_busy = USBA_BFEXT(BUSY_BANKS, status); -+ -+ if (is_complete && ep_is_control(ep)) { -+ send_status(udc, ep); -+ break; -+ } -+ } -+} -+ -+static void request_complete(struct usba_ep *ep, -+ struct usba_request *req, -+ int status) -+{ -+ struct usba_udc *udc = ep->udc; -+ -+ WARN_ON(!list_empty(&req->queue)); -+ -+ if (req->req.status == -EINPROGRESS) -+ req->req.status = status; -+ -+ if (req->mapped) { -+ dma_unmap_single( -+ &udc->pdev->dev, req->req.dma, req->req.length, -+ ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); -+ req->req.dma = DMA_ADDR_INVALID; -+ req->mapped = 0; -+ } -+ -+ DBG(DBG_GADGET | DBG_REQ, -+ "%s: req %p complete: status %d, actual %u\n", -+ ep_name(ep), req, req->req.status, req->req.actual); -+ req->req.complete(&ep->ep, &req->req); -+} -+ -+static void request_complete_list(struct usba_ep *ep, -+ struct list_head *list, -+ int status) -+{ -+ struct usba_request *req, *tmp_req; -+ -+ list_for_each_entry_safe(req, tmp_req, list, queue) { -+ list_del_init(&req->queue); -+ request_complete(ep, req, status); -+ } -+} -+ -+static int usba_ep_enable(struct usb_ep *_ep, -+ const struct usb_endpoint_descriptor *desc) -+{ -+ struct usba_ep *ep = to_usba_ep(_ep); -+ struct usba_udc *udc = ep->udc; -+ unsigned long flags, ept_cfg, maxpacket; -+ -+ DBG(DBG_GADGET, "%s: ep_enable: desc=%p\n", ep_name(ep), desc); -+ -+ maxpacket = le16_to_cpu(desc->wMaxPacketSize); -+ -+ if (ep->index == 0 -+ || desc->bDescriptorType != USB_DT_ENDPOINT -+ || ((desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK) -+ != ep->index) -+ || maxpacket == 0 -+ || maxpacket > ep->fifo_size) { -+ DBG(DBG_ERR, "ep_enable: Invalid argument"); -+ return -EINVAL; -+ } -+ -+ ep->is_isoc = 0; -+ ep->is_in = 0; -+ -+ if ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) -+ == USB_ENDPOINT_XFER_ISOC) { -+ if (!ep->can_isoc) { -+ DBG(DBG_ERR, "ep_enable: %s is not isoc capable\n", -+ ep_name(ep)); -+ return -EINVAL; -+ } -+ ep->is_isoc = 1; -+ } -+ -+ if (maxpacket <= 8) -+ ept_cfg = USBA_BF(EPT_SIZE, USBA_EPT_SIZE_8); -+ else -+ /* LSB is bit 1, not 0 */ -+ ept_cfg = USBA_BF(EPT_SIZE, fls(maxpacket - 1) - 3); -+ DBG(DBG_HW, "%s: EPT_SIZE = %lu (maxpacket = %lu)\n", -+ ep_name(ep), ept_cfg, maxpacket); -+ -+ if ((desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) { -+ ep->is_in = 1; -+ ept_cfg |= USBA_BIT(EPT_DIR); -+ } -+ -+ switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) { -+ case USB_ENDPOINT_XFER_CONTROL: -+ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_CONTROL); -+ break; -+ case USB_ENDPOINT_XFER_ISOC: -+ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_ISO); -+ break; -+ case USB_ENDPOINT_XFER_BULK: -+ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK); -+ break; -+ case USB_ENDPOINT_XFER_INT: -+ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_INT); -+ break; -+ } -+ ept_cfg |= USBA_BF(BK_NUMBER, ep->nr_banks); -+ -+ spin_lock_irqsave(&ep->udc->lock, flags); -+ -+ if (ep->desc) { -+ spin_unlock_irqrestore(&ep->udc->lock, flags); -+ DBG(DBG_ERR, "ep%d already enabled\n", ep->index); -+ return -EBUSY; -+ } -+ -+ ep->desc = desc; -+ ep->ep.maxpacket = maxpacket; -+ -+ usba_ep_writel(ep, CFG, ept_cfg); -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE)); -+ -+ if (ep_can_dma(ep)) { -+ u32 ctrl; -+ -+ usba_writel(udc, INT_ENB, -+ (usba_readl(udc, INT_ENB) -+ | USBA_BF(EPT_INT, 1 << ep->index) -+ | USBA_BF(DMA_INT, 1 << ep->index))); -+ ctrl = USBA_BIT(AUTO_VALID) | USBA_BIT(INTDIS_DMA); -+ usba_ep_writel(ep, CTL_ENB, ctrl); -+ } else { -+ usba_writel(udc, INT_ENB, -+ (usba_readl(udc, INT_ENB) -+ | USBA_BF(EPT_INT, 1 << ep->index))); -+ } -+ -+ spin_unlock_irqrestore(&udc->lock, flags); -+ -+ DBG(DBG_HW, "EPT_CFG%d after init: %#08lx\n", ep->index, -+ (unsigned long)usba_ep_readl(ep, CFG)); -+ DBG(DBG_HW, "INT_ENB after init: %#08lx\n", -+ (unsigned long)usba_readl(udc, INT_ENB)); -+ -+ return 0; -+} -+ -+static int usba_ep_disable(struct usb_ep *_ep) -+{ -+ struct usba_ep *ep = to_usba_ep(_ep); -+ struct usba_udc *udc = ep->udc; -+ LIST_HEAD(req_list); -+ unsigned long flags; -+ -+ DBG(DBG_GADGET, "ep_disable: %s\n", ep_name(ep)); -+ -+ spin_lock_irqsave(&udc->lock, flags); -+ -+ if (!ep->desc) { -+ spin_unlock_irqrestore(&udc->lock, flags); -+ DBG(DBG_ERR, "ep_disable: %s not enabled\n", -+ ep_name(ep)); -+ return -EINVAL; -+ } -+ ep->desc = NULL; -+ -+ list_splice_init(&ep->queue, &req_list); -+ if (ep_can_dma(ep)) { -+ usba_dma_writel(ep, CONTROL, 0); -+ usba_dma_writel(ep, ADDRESS, 0); -+ usba_dma_readl(ep, STATUS); -+ } -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(EPT_ENABLE)); -+ usba_writel(udc, INT_ENB, (usba_readl(udc, INT_ENB) -+ & ~USBA_BF(EPT_INT, 1 << ep->index))); -+ -+ spin_unlock_irqrestore(&udc->lock, flags); -+ -+ request_complete_list(ep, &req_list, -ESHUTDOWN); -+ -+ return 0; -+} -+ -+static struct usb_request * -+usba_ep_alloc_request(struct usb_ep *_ep, unsigned gfp_flags) -+{ -+ struct usba_request *req; -+ -+ DBG(DBG_GADGET, "ep_alloc_request: %p, 0x%x\n", _ep, gfp_flags); -+ -+ req = kzalloc(sizeof(*req), gfp_flags); -+ if (!req) -+ return NULL; -+ -+ INIT_LIST_HEAD(&req->queue); -+ req->req.dma = DMA_ADDR_INVALID; -+ -+ return &req->req; -+} -+ -+static void -+usba_ep_free_request(struct usb_ep *_ep, struct usb_request *_req) -+{ -+ struct usba_request *req = to_usba_req(_req); -+ -+ DBG(DBG_GADGET, "ep_free_request: %p, %p\n", _ep, _req); -+ -+ kfree(req); -+} -+ -+static void *usba_ep_alloc_buffer(struct usb_ep *_ep, unsigned bytes, -+ dma_addr_t *dma, unsigned gfp_flags) -+{ -+ void *buf; -+ -+ if (bytes < L1_CACHE_BYTES) -+ bytes = L1_CACHE_BYTES; -+ -+ buf = kmalloc(bytes, gfp_flags); -+ -+ /* -+ * Seems like we have to map the buffer any chance we get. -+ * ether.c wants us to initialize the dma member of a -+ * different request than the one receiving the buffer, so one -+ * never knows... -+ * -+ * Ah, screw it. The ether driver is probably wrong, and this -+ * is not the right place to do the mapping. The driver -+ * shouldn't mess with our DMA mappings anyway. -+ */ -+ *dma = DMA_ADDR_INVALID; -+ -+ return buf; -+} -+ -+static void usba_ep_free_buffer(struct usb_ep *_ep, void *buf, -+ dma_addr_t dma, unsigned bytes) -+{ -+ DBG(DBG_GADGET, "ep_free_buffer: %s, buf %p (size %u)\n", -+ _ep->name, buf, bytes); -+ kfree(buf); -+} -+ -+static int queue_dma(struct usba_udc *udc, struct usba_ep *ep, -+ struct usba_request *req, gfp_t gfp_flags) -+{ -+ unsigned long flags; -+ int ret; -+ -+ DBG(DBG_DMA, "%s: req l/%u d/%08x %c%c%c\n", -+ ep_name(ep), req->req.length, req->req.dma, -+ req->req.zero ? 'Z' : 'z', -+ req->req.short_not_ok ? 'S' : 's', -+ req->req.no_interrupt ? 'I' : 'i'); -+ -+ if (req->req.length > 0x10000) { -+ /* Lengths from 0 to 65536 (inclusive) are supported */ -+ DBG(DBG_ERR, "invalid request length %u\n", req->req.length); -+ return -EINVAL; -+ } -+ -+ req->using_dma = 1; -+ -+ if (req->req.dma == DMA_ADDR_INVALID) { -+ req->req.dma = dma_map_single( -+ &udc->pdev->dev, req->req.buf, req->req.length, -+ ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); -+ req->mapped = 1; -+ } else { -+ dma_sync_single_for_device( -+ &udc->pdev->dev, req->req.dma, req->req.length, -+ ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); -+ req->mapped = 0; -+ } -+ -+ req->ctrl = (USBA_BF(DMA_BUF_LEN, req->req.length) -+ | USBA_BIT(DMA_CH_EN) | USBA_BIT(DMA_END_BUF_IE) -+ | USBA_BIT(DMA_END_TR_EN) | USBA_BIT(DMA_END_TR_IE)); -+ -+ if (ep_is_in(ep)) -+ req->ctrl |= USBA_BIT(DMA_END_BUF_EN); -+ -+ /* -+ * Add this request to the queue and submit for DMA if -+ * possible. Check if we're still alive first -- we may have -+ * received a reset since last time we checked. -+ */ -+ ret = -ESHUTDOWN; -+ spin_lock_irqsave(&udc->lock, flags); -+ if (ep->desc) { -+ if (list_empty(&ep->queue)) -+ submit_request(ep, req); -+ -+ list_add_tail(&req->queue, &ep->queue); -+ ret = 0; -+ } -+ spin_unlock_irqrestore(&udc->lock, flags); -+ -+ return ret; -+} -+ -+static int usba_ep_queue(struct usb_ep *_ep, struct usb_request *_req, -+ gfp_t gfp_flags) -+{ -+ struct usba_request *req = to_usba_req(_req); -+ struct usba_ep *ep = to_usba_ep(_ep); -+ struct usba_udc *udc = ep->udc; -+ unsigned long flags; -+ int ret; -+ -+ DBG(DBG_GADGET | DBG_QUEUE | DBG_REQ, -+ "%s: queue req %p, len %u\n", ep_name(ep), req, _req->length); -+ -+ if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN -+ || !ep->desc) -+ return -ESHUTDOWN; -+ -+ req->submitted = 0; -+ req->using_dma = 0; -+ req->last_transaction = 0; -+ -+ _req->status = -EINPROGRESS; -+ _req->actual = 0; -+ -+ if (ep_can_dma(ep)) -+ return queue_dma(udc, ep, req, gfp_flags); -+ -+ /* May have received a reset since last time we checked */ -+ ret = -ESHUTDOWN; -+ spin_lock_irqsave(&udc->lock, flags); -+ if (ep->desc) { -+ list_add_tail(&req->queue, &ep->queue); -+ -+ if (ep_is_in(ep) -+ || (ep_is_control(ep) -+ && (ep->state == DATA_STAGE_IN -+ || ep->state == STATUS_STAGE_IN))) -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY)); -+ else -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(RX_BK_RDY)); -+ ret = 0; -+ } -+ spin_unlock_irqrestore(&udc->lock, flags); -+ -+ return ret; -+} -+ -+static void usba_update_req(struct usba_ep *ep, struct usba_request *req, -+ u32 status) -+{ -+ req->req.actual = req->req.length - USBA_BFEXT(DMA_BUF_LEN, status); -+} -+ -+static int stop_dma(struct usba_ep *ep, u32 *pstatus) -+{ -+ unsigned int timeout; -+ u32 status; -+ -+ /* -+ * Stop the DMA controller. When writing both CH_EN -+ * and LINK to 0, the other bits are not affected. -+ */ -+ usba_dma_writel(ep, CONTROL, 0); -+ -+ /* Wait for the FIFO to empty */ -+ for (timeout = 40; timeout; --timeout) { -+ status = usba_dma_readl(ep, STATUS); -+ if (!(status & USBA_BIT(DMA_CH_EN))) -+ break; -+ udelay(1); -+ } -+ -+ if (pstatus) -+ *pstatus = status; -+ -+ if (timeout == 0) { -+ dev_err(&ep->udc->pdev->dev, -+ "%s: timed out waiting for DMA FIFO to empty\n", -+ ep_name(ep)); -+ return -ETIMEDOUT; -+ } -+ -+ return 0; -+} -+ -+static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) -+{ -+ struct usba_ep *ep = to_usba_ep(_ep); -+ struct usba_udc *udc = ep->udc; -+ struct usba_request *req = to_usba_req(_req); -+ unsigned long flags; -+ u32 status; -+ -+ DBG(DBG_GADGET | DBG_QUEUE, "ep_dequeue: %s, req %p\n", -+ ep_name(ep), req); -+ -+ spin_lock_irqsave(&udc->lock, flags); -+ -+ if (req->using_dma) { -+ /* -+ * If this request is currently being transferred, -+ * stop the DMA controller and reset the FIFO. -+ */ -+ if (ep->queue.next == &req->queue) { -+ status = usba_dma_readl(ep, STATUS); -+ if (status & USBA_BIT(DMA_CH_EN)) -+ stop_dma(ep, &status); -+ -+#ifdef CONFIG_DEBUG_FS -+ ep->last_dma_status = status; -+#endif -+ -+ usba_writel(udc, EPT_RST, -+ 1 << ep_index(ep)); -+ -+ usba_update_req(ep, req, status); -+ } -+ } -+ -+ /* -+ * Errors should stop the queue from advancing until the -+ * completion function returns. -+ */ -+ list_del_init(&req->queue); -+ spin_unlock_irqrestore(&udc->lock, flags); -+ -+ request_complete(ep, req, -ECONNRESET); -+ -+ /* Process the next request if any */ -+ spin_lock_irqsave(&udc->lock, flags); -+ submit_next_request(ep); -+ spin_unlock_irqrestore(&udc->lock, flags); -+ -+ return 0; -+} -+ -+static int usba_ep_set_halt(struct usb_ep *_ep, int value) -+{ -+ struct usba_ep *ep = to_usba_ep(_ep); -+ struct usba_udc *udc = ep->udc; -+ unsigned long flags; -+ int ret = 0; -+ -+ DBG(DBG_GADGET, "endpoint %s: %s HALT\n", ep_name(ep), -+ value ? "set" : "clear"); -+ -+ if (!ep->desc) { -+ DBG(DBG_ERR, "Attempted to halt uninitialized ep %s\n", -+ ep_name(ep)); -+ return -ENODEV; -+ } -+ if (ep_is_isochronous(ep)) { -+ DBG(DBG_ERR, "Attempted to halt isochronous ep %s\n", -+ ep_name(ep)); -+ return -ENOTTY; -+ } -+ -+ spin_lock_irqsave(&udc->lock, flags); -+ -+ /* -+ * We can't halt IN endpoints while there are still data to be -+ * transferred -+ */ -+ if (!list_empty(&ep->queue) -+ || ((value && ep_is_in(ep) -+ && (usba_ep_readl(ep, STA) -+ & USBA_BF(BUSY_BANKS, -1L))))) { -+ ret = -EAGAIN; -+ } else { -+ if (value) -+ usba_ep_writel(ep, SET_STA, USBA_BIT(FORCE_STALL)); -+ else -+ usba_ep_writel(ep, CLR_STA, (USBA_BIT(FORCE_STALL) -+ | USBA_BIT(TOGGLE_SEQ))); -+ usba_ep_readl(ep, STA); -+ } -+ -+ spin_unlock_irqrestore(&udc->lock, flags); -+ -+ return ret; -+} -+ -+static int usba_ep_fifo_status(struct usb_ep *_ep) -+{ -+ struct usba_ep *ep = to_usba_ep(_ep); -+ -+ return USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA)); -+} -+ -+static void usba_ep_fifo_flush(struct usb_ep *_ep) -+{ -+ struct usba_ep *ep = to_usba_ep(_ep); -+ struct usba_udc *udc = ep->udc; -+ -+ usba_writel(udc, EPT_RST, 1 << ep->index); -+} -+ -+struct usb_ep_ops usba_ep_ops = { -+ .enable = usba_ep_enable, -+ .disable = usba_ep_disable, -+ .alloc_request = usba_ep_alloc_request, -+ .free_request = usba_ep_free_request, -+ .alloc_buffer = usba_ep_alloc_buffer, -+ .free_buffer = usba_ep_free_buffer, -+ .queue = usba_ep_queue, -+ .dequeue = usba_ep_dequeue, -+ .set_halt = usba_ep_set_halt, -+ .fifo_status = usba_ep_fifo_status, -+ .fifo_flush = usba_ep_fifo_flush, -+}; -+ -+static int usba_udc_get_frame(struct usb_gadget *gadget) -+{ -+ struct usba_udc *udc = to_usba_udc(gadget); -+ -+ return USBA_BFEXT(FRAME_NUMBER, usba_readl(udc, FNUM)); -+} -+ -+struct usb_gadget_ops usba_udc_ops = { -+ .get_frame = usba_udc_get_frame, -+}; -+ -+#define EP(nam, type, idx, dma, isoc) \ -+{ \ -+ .ep = { \ -+ .ops = &usba_ep_ops, \ -+ .name = nam, \ -+ .maxpacket = type##_FIFO_SIZE, \ -+ }, \ -+ .udc = &the_udc, \ -+ .queue = LIST_HEAD_INIT(usba_ep[idx].queue), \ -+ .fifo_size = type##_FIFO_SIZE, \ -+ .nr_banks = type##_NR_BANKS, \ -+ .index = idx, \ -+ .can_dma = dma, \ -+ .can_isoc = isoc, \ -+} -+ -+static struct usba_ep usba_ep[] = { -+ EP("ep0", EP0, 0, 0, 0), -+ EP("ep1in-bulk", BULK, 1, 1, 0), -+ EP("ep2out-bulk", BULK, 2, 1, 0), -+ EP("ep3in-iso", ISO, 3, 1, 1), -+ EP("ep4out-iso", ISO, 4, 1, 1), -+ EP("ep5in-int", INT, 5, 1, 0), -+ EP("ep6out-int", INT, 6, 1, 0), -+}; -+#undef EP -+ -+static struct usb_endpoint_descriptor usba_ep0_desc = { -+ .bLength = USB_DT_ENDPOINT_SIZE, -+ .bDescriptorType = USB_DT_ENDPOINT, -+ .bEndpointAddress = 0, -+ .bmAttributes = USB_ENDPOINT_XFER_CONTROL, -+ .wMaxPacketSize = __constant_cpu_to_le16(64), -+ /* FIXME: I have no idea what to put here */ -+ .bInterval = 1, -+}; -+ -+static void nop_release(struct device *dev) -+{ -+ -+} -+ -+static struct usba_udc the_udc = { -+ .gadget = { -+ .ops = &usba_udc_ops, -+ .ep0 = &usba_ep[0].ep, -+ .ep_list = LIST_HEAD_INIT(the_udc.gadget.ep_list), -+ .is_dualspeed = 1, -+ .name = "atmel_usba_udc", -+ .dev = { -+ .bus_id = "gadget", -+ .release = nop_release, -+ }, -+ }, -+ -+ .lock = SPIN_LOCK_UNLOCKED, -+}; -+ -+/* -+ * Called with interrupts disabled and udc->lock held. -+ */ -+static void reset_all_endpoints(struct usba_udc *udc) -+{ -+ struct usba_ep *ep; -+ struct usba_request *req, *tmp_req; -+ -+ usba_writel(udc, EPT_RST, ~0UL); -+ -+ ep = to_usba_ep(udc->gadget.ep0); -+ list_for_each_entry_safe(req, tmp_req, &ep->queue, queue) { -+ list_del_init(&req->queue); -+ request_complete(ep, req, -ECONNRESET); -+ } -+ -+ list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) { -+ if (ep->desc) -+ usba_ep_disable(&ep->ep); -+ } -+} -+ -+static struct usba_ep *get_ep_by_addr(struct usba_udc *udc, u16 wIndex) -+{ -+ struct usba_ep *ep; -+ -+ if ((wIndex & USB_ENDPOINT_NUMBER_MASK) == 0) -+ return to_usba_ep(udc->gadget.ep0); -+ -+ list_for_each_entry (ep, &udc->gadget.ep_list, ep.ep_list) { -+ u8 bEndpointAddress; -+ -+ if (!ep->desc) -+ continue; -+ bEndpointAddress = ep->desc->bEndpointAddress; -+ if ((wIndex ^ bEndpointAddress) & USB_DIR_IN) -+ continue; -+ if ((wIndex & USB_ENDPOINT_NUMBER_MASK) -+ == (bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)) -+ return ep; -+ } -+ -+ return NULL; -+} -+ -+/* Called with interrupts disabled and udc->lock held */ -+static inline void set_protocol_stall(struct usba_udc *udc, -+ struct usba_ep *ep) -+{ -+ usba_ep_writel(ep, SET_STA, USBA_BIT(FORCE_STALL)); -+ ep->state = WAIT_FOR_SETUP; -+} -+ -+static inline int is_stalled(struct usba_udc *udc, struct usba_ep *ep) -+{ -+ if (usba_ep_readl(ep, STA) & USBA_BIT(FORCE_STALL)) -+ return 1; -+ return 0; -+} -+ -+static inline void set_address(struct usba_udc *udc, unsigned int addr) -+{ -+ u32 regval; -+ -+ DBG(DBG_BUS, "setting address %u...\n", addr); -+ regval = usba_readl(udc, CTRL); -+ regval = USBA_BFINS(DEV_ADDR, addr, regval); -+ usba_writel(udc, CTRL, regval); -+} -+ -+static int do_test_mode(struct usba_udc *udc) -+{ -+ static const char test_packet_buffer[] = { -+ /* JKJKJKJK * 9 */ -+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -+ /* JJKKJJKK * 8 */ -+ 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, -+ /* JJKKJJKK * 8 */ -+ 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, -+ /* JJJJJJJKKKKKKK * 8 */ -+ 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, -+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, -+ /* JJJJJJJK * 8 */ -+ 0x7F, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD, -+ /* {JKKKKKKK * 10}, JK */ -+ 0xFC, 0x7E, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD, 0x7E -+ }; -+ struct device *dev = &udc->pdev->dev; -+ struct usba_ep *ep; -+ int test_mode; -+ -+ test_mode = udc->test_mode; -+ -+ /* Start from a clean slate */ -+ reset_all_endpoints(udc); -+ -+ switch (test_mode) { -+ case 0x0100: -+ /* Test_J */ -+ usba_writel(udc, TST, USBA_BIT(TST_J_MODE)); -+ dev_info(dev, "Entering Test_J mode...\n"); -+ break; -+ case 0x0200: -+ /* Test_K */ -+ usba_writel(udc, TST, USBA_BIT(TST_K_MODE)); -+ dev_info(dev, "Entering Test_K mode...\n"); -+ break; -+ case 0x0300: -+ /* -+ * Test_SE0_NAK: Force high-speed mode and set up ep0 -+ * for Bulk IN transfers -+ */ -+ ep = &usba_ep[0]; -+ usba_writel(udc, TST, -+ USBA_BF(SPEED_CFG, USBA_SPEED_CFG_FORCE_HIGH)); -+ usba_ep_writel(ep, CFG, -+ USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64) -+ | USBA_BIT(EPT_DIR) -+ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK) -+ | USBA_BF(BK_NUMBER, 1)); -+ if (!(usba_ep_readl(ep, CFG) & USBA_BIT(EPT_MAPPED))) { -+ set_protocol_stall(udc, ep); -+ dev_err(dev, "Test_SE0_NAK: ep0 not mapped\n"); -+ } else { -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE)); -+ dev_info(dev, "Entering Test_SE0_NAK mode...\n"); -+ } -+ break; -+ case 0x0400: -+ /* Test_Packet */ -+ ep = &usba_ep[0]; -+ usba_ep_writel(ep, CFG, -+ USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64) -+ | USBA_BIT(EPT_DIR) -+ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK) -+ | USBA_BF(BK_NUMBER, 1)); -+ if (!(usba_ep_readl(ep, CFG) & USBA_BIT(EPT_MAPPED))) { -+ set_protocol_stall(udc, ep); -+ dev_err(dev, "Test_Packet: ep0 not mapped\n"); -+ } else { -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE)); -+ usba_writel(udc, TST, USBA_BIT(TST_PKT_MODE)); -+ copy_to_fifo(ep->fifo, test_packet_buffer, -+ sizeof(test_packet_buffer)); -+ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY)); -+ dev_info(dev, "Entering Test_Packet mode...\n"); -+ } -+ break; -+ default: -+ dev_err(dev, "Invalid test mode: 0x%04x\n", test_mode); -+ return -EINVAL; -+ } -+ -+ return 0; -+} -+ -+/* Avoid overly long expressions */ -+static inline bool feature_is_dev_remote_wakeup(struct usb_ctrlrequest *crq) -+{ -+ if (crq->wValue == __constant_cpu_to_le16(USB_DEVICE_REMOTE_WAKEUP)) -+ return true; -+ return false; -+} -+ -+static inline bool feature_is_dev_test_mode(struct usb_ctrlrequest *crq) -+{ -+ if (crq->wValue == __constant_cpu_to_le16(USB_DEVICE_TEST_MODE)) -+ return true; -+ return false; -+} -+ -+static inline bool feature_is_ep_halt(struct usb_ctrlrequest *crq) -+{ -+ if (crq->wValue == __constant_cpu_to_le16(USB_ENDPOINT_HALT)) -+ return true; -+ return false; -+} -+ -+static int handle_ep0_setup(struct usba_udc *udc, struct usba_ep *ep, -+ struct usb_ctrlrequest *crq) -+{ -+ switch (crq->bRequest) { -+ case USB_REQ_GET_STATUS: { -+ u16 status; -+ -+ if (crq->bRequestType == (USB_DIR_IN | USB_RECIP_DEVICE)) { -+ /* Self-powered, no remote wakeup */ -+ status = __constant_cpu_to_le16(1 << 0); -+ } else if (crq->bRequestType -+ == (USB_DIR_IN | USB_RECIP_INTERFACE)) { -+ status = __constant_cpu_to_le16(0); -+ } else if (crq->bRequestType -+ == (USB_DIR_IN | USB_RECIP_ENDPOINT)) { -+ struct usba_ep *target; -+ -+ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); -+ if (!target) -+ goto stall; -+ -+ status = 0; -+ if (is_stalled(udc, target)) -+ status |= __constant_cpu_to_le16(1); -+ } else { -+ goto delegate; -+ } -+ -+ /* Write directly to the FIFO. No queueing is done. */ -+ if (crq->wLength != __constant_cpu_to_le16(sizeof(status))) -+ goto stall; -+ ep->state = DATA_STAGE_IN; -+ __raw_writew(status, ep->fifo); -+ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY)); -+ break; -+ } -+ -+ case USB_REQ_CLEAR_FEATURE: { -+ if (crq->bRequestType == USB_RECIP_DEVICE) { -+ if (feature_is_dev_remote_wakeup(crq)) { -+ /* TODO: Handle REMOTE_WAKEUP */ -+ } else { -+ /* Can't CLEAR_FEATURE TEST_MODE */ -+ goto stall; -+ } -+ } else if (crq->bRequestType == USB_RECIP_ENDPOINT) { -+ struct usba_ep *target; -+ -+ if (!feature_is_ep_halt(crq) -+ || crq->wLength != __constant_cpu_to_le16(0)) -+ goto stall; -+ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); -+ if (!target) -+ goto stall; -+ -+ usba_ep_writel(target, CLR_STA, -+ (USBA_BIT(FORCE_STALL) -+ | USBA_BIT(TOGGLE_SEQ))); -+ } else { -+ goto delegate; -+ } -+ -+ send_status(udc, ep); -+ break; -+ } -+ -+ case USB_REQ_SET_FEATURE: { -+ if (crq->bRequestType == USB_RECIP_DEVICE) { -+ if (feature_is_dev_test_mode(crq)) { -+ send_status(udc, ep); -+ ep->state = STATUS_STAGE_TEST; -+ udc->test_mode = le16_to_cpu(crq->wIndex); -+ return 0; -+ } else if (feature_is_dev_remote_wakeup(crq)) { -+ /* TODO: Handle REMOTE_WAKEUP */ -+ } else { -+ goto stall; -+ } -+ } else if (crq->bRequestType == USB_RECIP_ENDPOINT) { -+ struct usba_ep *target; -+ -+ if (!feature_is_ep_halt(crq) -+ || crq->wLength != __constant_cpu_to_le16(0)) -+ goto stall; -+ -+ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); -+ if (!target) -+ goto stall; -+ -+ usba_ep_writel(target, SET_STA, USBA_BIT(FORCE_STALL)); -+ } else -+ goto delegate; -+ -+ send_status(udc, ep); -+ break; -+ } -+ -+ case USB_REQ_SET_ADDRESS: -+ if (crq->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE)) -+ goto delegate; -+ -+ set_address(udc, le16_to_cpu(crq->wValue)); -+ send_status(udc, ep); -+ ep->state = STATUS_STAGE_ADDR; -+ break; -+ -+ default: -+delegate: -+ return udc->driver->setup(&udc->gadget, crq); -+ } -+ -+ return 0; -+ -+stall: -+ printk(KERN_ERR -+ "udc: %s: Invalid setup request: %02x.%02x v%04x i%04x l%d, " -+ "halting endpoint...\n", -+ ep_name(ep), crq->bRequestType, crq->bRequest, -+ le16_to_cpu(crq->wValue), le16_to_cpu(crq->wIndex), -+ le16_to_cpu(crq->wLength)); -+ set_protocol_stall(udc, ep); -+ return -1; -+} -+ -+static void usba_control_irq(struct usba_udc *udc, struct usba_ep *ep) -+{ -+ struct usba_request *req; -+ u32 epstatus; -+ u32 epctrl; -+ -+restart: -+ epstatus = usba_ep_readl(ep, STA); -+ epctrl = usba_ep_readl(ep, CTL); -+ -+ DBG(DBG_INT, "%s [%d]: s/%08x c/%08x\n", -+ ep_name(ep), ep->state, epstatus, epctrl); -+ -+ req = NULL; -+ if (!list_empty(&ep->queue)) -+ req = list_entry(ep->queue.next, -+ struct usba_request, queue); -+ -+ if ((epctrl & USBA_BIT(TX_PK_RDY)) -+ && !(epstatus & USBA_BIT(TX_PK_RDY))) { -+ if (req->submitted) -+ next_fifo_transaction(ep, req); -+ else -+ submit_request(ep, req); -+ -+ if (req->last_transaction) { -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY)); -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE)); -+ } -+ goto restart; -+ } -+ if ((epstatus & epctrl) & USBA_BIT(TX_COMPLETE)) { -+ usba_ep_writel(ep, CLR_STA, USBA_BIT(TX_COMPLETE)); -+ -+ switch (ep->state) { -+ case DATA_STAGE_IN: -+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(RX_BK_RDY)); -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE)); -+ ep->state = STATUS_STAGE_OUT; -+ break; -+ case STATUS_STAGE_ADDR: -+ /* Activate our new address */ -+ usba_writel(udc, CTRL, (usba_readl(udc, CTRL) -+ | USBA_BIT(FADDR_EN))); -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE)); -+ ep->state = WAIT_FOR_SETUP; -+ break; -+ case STATUS_STAGE_IN: -+ if (req) { -+ list_del_init(&req->queue); -+ request_complete(ep, req, 0); -+ submit_next_request(ep); -+ } -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE)); -+ ep->state = WAIT_FOR_SETUP; -+ break; -+ case STATUS_STAGE_TEST: -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE)); -+ ep->state = WAIT_FOR_SETUP; -+ if (do_test_mode(udc)) -+ set_protocol_stall(udc, ep); -+ break; -+ default: -+ printk(KERN_ERR -+ "udc: %s: TXCOMP: Invalid endpoint state %d, " -+ "halting endpoint...\n", -+ ep_name(ep), ep->state); -+ set_protocol_stall(udc, ep); -+ break; -+ } -+ -+ goto restart; -+ } -+ if ((epstatus & epctrl) & USBA_BIT(RX_BK_RDY)) { -+ switch (ep->state) { -+ case STATUS_STAGE_OUT: -+ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY)); -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY)); -+ -+ if (req) { -+ list_del_init(&req->queue); -+ request_complete(ep, req, 0); -+ } -+ ep->state = WAIT_FOR_SETUP; -+ break; -+ -+ case DATA_STAGE_OUT: -+ receive_data(ep); -+ break; -+ -+ default: -+ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY)); -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY)); -+ printk(KERN_ERR -+ "udc: %s: RXRDY: Invalid endpoint state %d, " -+ "halting endpoint...\n", -+ ep_name(ep), ep->state); -+ set_protocol_stall(udc, ep); -+ break; -+ } -+ -+ goto restart; -+ } -+ if (epstatus & USBA_BIT(RX_SETUP)) { -+ union { -+ struct usb_ctrlrequest crq; -+ unsigned long data[2]; -+ } crq; -+ unsigned int pkt_len; -+ int ret; -+ -+ if (ep->state != WAIT_FOR_SETUP) { -+ /* -+ * Didn't expect a SETUP packet at this -+ * point. Clean up any pending requests (which -+ * may be successful). -+ */ -+ int status = -EPROTO; -+ -+ /* -+ * RXRDY and TXCOMP are dropped when SETUP -+ * packets arrive. Just pretend we received -+ * the status packet. -+ */ -+ if (ep->state == STATUS_STAGE_OUT -+ || ep->state == STATUS_STAGE_IN) { -+ usba_ep_writel(ep, CTL_DIS, -+ USBA_BIT(RX_BK_RDY)); -+ status = 0; -+ } -+ -+ if (req) { -+ list_del_init(&req->queue); -+ request_complete(ep, req, status); -+ } -+ } -+ -+ pkt_len = USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA)); -+ DBG(DBG_HW, "Packet length: %u\n", pkt_len); -+ if (pkt_len != sizeof(crq)) { -+ printk(KERN_WARNING -+ "udc: Invalid packet length %u (expected %lu)\n", -+ pkt_len, sizeof(crq)); -+ set_protocol_stall(udc, ep); -+ return; -+ } -+ -+ DBG(DBG_FIFO, "Copying ctrl request from 0x%p:\n", ep->fifo); -+ copy_from_fifo(crq.data, ep->fifo, sizeof(crq)); -+ -+ /* Free up one bank in the FIFO so that we can -+ * generate or receive a reply right away. */ -+ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_SETUP)); -+ -+ /* printk(KERN_DEBUG "setup: %d: %02x.%02x\n", -+ ep->state, crq.crq.bRequestType, -+ crq.crq.bRequest); */ -+ -+ if (crq.crq.bRequestType & USB_DIR_IN) { -+ /* -+ * The USB 2.0 spec states that "if wLength is -+ * zero, there is no data transfer phase." -+ * However, testusb #14 seems to actually -+ * expect a data phase even if wLength = 0... -+ */ -+ ep->state = DATA_STAGE_IN; -+ } else { -+ if (crq.crq.wLength != __constant_cpu_to_le16(0)) -+ ep->state = DATA_STAGE_OUT; -+ else -+ ep->state = STATUS_STAGE_IN; -+ } -+ -+ ret = -1; -+ if (ep->index == 0) -+ ret = handle_ep0_setup(udc, ep, &crq.crq); -+ else -+ ret = udc->driver->setup(&udc->gadget, &crq.crq); -+ -+ DBG(DBG_BUS, "req %02x.%02x, length %d, state %d, ret %d\n", -+ crq.crq.bRequestType, crq.crq.bRequest, -+ le16_to_cpu(crq.crq.wLength), ep->state, ret); -+ -+ if (ret < 0) { -+ /* Let the host know that we failed */ -+ set_protocol_stall(udc, ep); -+ } -+ } -+} -+ -+static void usba_ep_irq(struct usba_udc *udc, struct usba_ep *ep) -+{ -+ struct usba_request *req; -+ u32 epstatus; -+ u32 epctrl; -+ -+ epstatus = usba_ep_readl(ep, STA); -+ epctrl = usba_ep_readl(ep, CTL); -+ -+ DBG(DBG_INT, "%s: interrupt, status: 0x%08x\n", -+ ep_name(ep), epstatus); -+ -+ while ((epctrl & USBA_BIT(TX_PK_RDY)) -+ && !(epstatus & USBA_BIT(TX_PK_RDY))) { -+ DBG(DBG_BUS, "%s: TX PK ready\n", ep_name(ep)); -+ -+ if (list_empty(&ep->queue)) { -+ dev_warn(&udc->pdev->dev, "ep_irq: queue empty\n"); -+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY)); -+ return; -+ } -+ -+ req = list_entry(ep->queue.next, struct usba_request, queue); -+ -+ if (req->using_dma) { -+ /* Send a zero-length packet */ -+ usba_ep_writel(ep, SET_STA, -+ USBA_BIT(TX_PK_RDY)); -+ usba_ep_writel(ep, CTL_DIS, -+ USBA_BIT(TX_PK_RDY)); -+ list_del_init(&req->queue); -+ submit_next_request(ep); -+ request_complete(ep, req, 0); -+ } else { -+ if (req->submitted) -+ next_fifo_transaction(ep, req); -+ else -+ submit_request(ep, req); -+ -+ if (req->last_transaction) { -+ list_del_init(&req->queue); -+ submit_next_request(ep); -+ request_complete(ep, req, 0); -+ } -+ } -+ -+ epstatus = usba_ep_readl(ep, STA); -+ epctrl = usba_ep_readl(ep, CTL); -+ } -+ if ((epstatus & epctrl) & USBA_BIT(RX_BK_RDY)) { -+ DBG(DBG_BUS, "%s: RX data ready\n", ep_name(ep)); -+ receive_data(ep); -+ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY)); -+ } -+} -+ -+static void usba_dma_irq(struct usba_udc *udc, struct usba_ep *ep) -+{ -+ struct usba_request *req; -+ u32 status, control, pending; -+ -+ status = usba_dma_readl(ep, STATUS); -+ control = usba_dma_readl(ep, CONTROL); -+#ifdef CONFIG_DEBUG_FS -+ ep->last_dma_status = status; -+#endif -+ pending = status & control; -+ DBG(DBG_INT | DBG_DMA, "dma irq, s/%#08x, c/%#08x\n", -+ status, control); -+ -+ if (status & USBA_BIT(DMA_CH_EN)) { -+ dev_err(&udc->pdev->dev, -+ "DMA_CH_EN is set after transfer is finished!\n"); -+ dev_err(&udc->pdev->dev, -+ "status=%#08x, pending=%#08x, control=%#08x\n", -+ status, pending, control); -+ -+ /* -+ * try to pretend nothing happened. We might have to -+ * do something here... -+ */ -+ } -+ -+ if (list_empty(&ep->queue)) -+ /* Might happen if a reset comes along at the right moment */ -+ return; -+ -+ if (pending & (USBA_BIT(DMA_END_TR_ST) | USBA_BIT(DMA_END_BUF_ST))) { -+ req = list_entry(ep->queue.next, struct usba_request, queue); -+ usba_update_req(ep, req, status); -+ -+ list_del_init(&req->queue); -+ submit_next_request(ep); -+ request_complete(ep, req, 0); -+ } -+} -+ -+static irqreturn_t usba_udc_irq(int irq, void *devid) -+{ -+ struct usba_udc *udc = devid; -+ u32 status; -+ u32 dma_status; -+ u32 ep_status; -+ -+ spin_lock(&udc->lock); -+ -+ status = usba_readl(udc, INT_STA); -+ DBG(DBG_INT, "irq, status=%#08x\n", status); -+ -+ if (status & USBA_BIT(DET_SUSPEND)) { -+ usba_writel(udc, INT_CLR, USBA_BIT(DET_SUSPEND)); -+ DBG(DBG_BUS, "Suspend detected\n"); -+ if (udc->gadget.speed != USB_SPEED_UNKNOWN -+ && udc->driver && udc->driver->suspend) -+ udc->driver->suspend(&udc->gadget); -+ } -+ -+ if (status & USBA_BIT(WAKE_UP)) { -+ usba_writel(udc, INT_CLR, USBA_BIT(WAKE_UP)); -+ DBG(DBG_BUS, "Wake Up CPU detected\n"); -+ } -+ -+ if (status & USBA_BIT(END_OF_RESUME)) { -+ usba_writel(udc, INT_CLR, USBA_BIT(END_OF_RESUME)); -+ DBG(DBG_BUS, "Resume detected\n"); -+ if (udc->gadget.speed != USB_SPEED_UNKNOWN -+ && udc->driver && udc->driver->resume) -+ udc->driver->resume(&udc->gadget); -+ } -+ -+ dma_status = USBA_BFEXT(DMA_INT, status); -+ if (dma_status) { -+ int i; -+ -+ for (i = 1; i < USBA_NR_ENDPOINTS; i++) -+ if (dma_status & (1 << i)) -+ usba_dma_irq(udc, &usba_ep[i]); -+ } -+ -+ ep_status = USBA_BFEXT(EPT_INT, status); -+ if (ep_status) { -+ int i; -+ -+ for (i = 0; i < USBA_NR_ENDPOINTS; i++) -+ if (ep_status & (1 << i)) { -+ if (ep_is_control(&usba_ep[i])) -+ usba_control_irq(udc, &usba_ep[i]); -+ else -+ usba_ep_irq(udc, &usba_ep[i]); -+ } -+ } -+ -+ if (status & USBA_BIT(END_OF_RESET)) { -+ struct usba_ep *ep0; -+ -+ usba_writel(udc, INT_CLR, USBA_BIT(END_OF_RESET)); -+ reset_all_endpoints(udc); -+ -+ if (status & USBA_BIT(HIGH_SPEED)) { -+ DBG(DBG_BUS, "High-speed bus reset detected\n"); -+ udc->gadget.speed = USB_SPEED_HIGH; -+ } else { -+ DBG(DBG_BUS, "Full-speed bus reset detected\n"); -+ udc->gadget.speed = USB_SPEED_FULL; -+ } -+ -+ ep0 = &usba_ep[0]; -+ ep0->desc = &usba_ep0_desc; -+ ep0->state = WAIT_FOR_SETUP; -+ usba_ep_writel(ep0, CFG, -+ (USBA_BF(EPT_SIZE, EP0_EPT_SIZE) -+ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_CONTROL) -+ | USBA_BF(BK_NUMBER, USBA_BK_NUMBER_ONE))); -+ usba_ep_writel(ep0, CTL_ENB, -+ USBA_BIT(EPT_ENABLE) | USBA_BIT(RX_SETUP)); -+ usba_writel(udc, INT_ENB, (usba_readl(udc, INT_ENB) -+ | USBA_BF(EPT_INT, 1) -+ | USBA_BIT(DET_SUSPEND) -+ | USBA_BIT(END_OF_RESUME))); -+ -+ if (!(usba_ep_readl(ep0, CFG) & USBA_BIT(EPT_MAPPED))) -+ dev_warn(&udc->pdev->dev, -+ "WARNING: EP0 configuration is invalid!\n"); -+ } -+ -+ spin_unlock(&udc->lock); -+ -+ return IRQ_HANDLED; -+} -+ -+static irqreturn_t usba_vbus_irq(int irq, void *devid) -+{ -+ struct usba_udc *udc = devid; -+ int vbus; -+ -+ /* debounce */ -+ udelay(10); -+ -+ spin_lock(&udc->lock); -+ vbus = gpio_get_value(udc->vbus_pin); -+ if (vbus != udc->vbus_prev) { -+ if (vbus) { -+ usba_writel(udc, CTRL, USBA_BIT(EN_USBA)); -+ usba_writel(udc, INT_ENB, USBA_BIT(END_OF_RESET)); -+ } else { -+ udc->gadget.speed = USB_SPEED_UNKNOWN; -+ reset_all_endpoints(udc); -+ usba_writel(udc, CTRL, 0); -+ if (udc->driver) -+ udc->driver->disconnect(&udc->gadget); -+ } -+ udc->vbus_prev = vbus; -+ } -+ spin_unlock(&udc->lock); -+ -+ return IRQ_HANDLED; -+} -+ -+int usb_gadget_register_driver(struct usb_gadget_driver *driver) -+{ -+ struct usba_udc *udc = &the_udc; -+ unsigned long flags; -+ int ret; -+ -+ if (!udc->pdev) -+ return -ENODEV; -+ -+ spin_lock_irqsave(&udc->lock, flags); -+ if (udc->driver) { -+ spin_unlock_irqrestore(&udc->lock, flags); -+ return -EBUSY; -+ } -+ -+ udc->driver = driver; -+ udc->gadget.dev.driver = &driver->driver; -+ spin_unlock_irqrestore(&udc->lock, flags); -+ -+ clk_enable(udc->pclk); -+ clk_enable(udc->hclk); -+ -+ ret = driver->bind(&udc->gadget); -+ if (ret) { -+ DBG(DBG_ERR, "Could not bind to driver %s: error %d\n", -+ driver->driver.name, ret); -+ goto err_driver_bind; -+ } -+ -+ DBG(DBG_GADGET, "registered driver `%s'\n", driver->driver.name); -+ -+ udc->vbus_prev = 0; -+ if (udc->vbus_pin != -1) { -+ ret = request_irq(gpio_to_irq(udc->vbus_pin), -+ usba_vbus_irq, 0, "atmel_usba_udc", udc); -+ if (ret) { -+ gpio_free(udc->vbus_pin); -+ udc->vbus_pin = -1; -+ dev_warn(&udc->pdev->dev, -+ "failed to request vbus irq; " -+ "assuming always on\n"); -+ } -+ } -+ -+ /* If Vbus is present, enable the controller and wait for reset */ -+ spin_lock_irqsave(&udc->lock, flags); -+ if (vbus_is_present(udc) && udc->vbus_prev == 0) { -+ usba_writel(udc, CTRL, USBA_BIT(EN_USBA)); -+ usba_writel(udc, INT_ENB, USBA_BIT(END_OF_RESET)); -+ } -+ spin_unlock_irqrestore(&udc->lock, flags); -+ -+ return 0; -+ -+err_driver_bind: -+ udc->driver = NULL; -+ udc->gadget.dev.driver = NULL; -+ return ret; -+} -+EXPORT_SYMBOL(usb_gadget_register_driver); -+ -+int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) -+{ -+ struct usba_udc *udc = &the_udc; -+ unsigned long flags; -+ -+ if (!udc->pdev) -+ return -ENODEV; -+ if (driver != udc->driver) -+ return -EINVAL; -+ -+ if (udc->vbus_pin != -1) -+ free_irq(gpio_to_irq(udc->vbus_pin), udc); -+ -+ spin_lock_irqsave(&udc->lock, flags); -+ udc->gadget.speed = USB_SPEED_UNKNOWN; -+ reset_all_endpoints(udc); -+ spin_unlock_irqrestore(&udc->lock, flags); -+ -+ /* This will also disable the DP pullup */ -+ usba_writel(udc, CTRL, 0); -+ -+ driver->unbind(&udc->gadget); -+ udc->gadget.dev.driver = NULL; -+ udc->driver = NULL; -+ -+ clk_disable(udc->hclk); -+ clk_disable(udc->pclk); -+ -+ DBG(DBG_GADGET, "unregistered driver `%s'\n", driver->driver.name); -+ -+ return 0; -+} -+EXPORT_SYMBOL(usb_gadget_unregister_driver); -+ -+static int __devinit usba_udc_probe(struct platform_device *pdev) -+{ -+ struct usba_platform_data *pdata = pdev->dev.platform_data; -+ struct resource *regs, *fifo; -+ struct clk *pclk, *hclk; -+ struct usba_udc *udc = &the_udc; -+ int irq, ret, i; -+ -+ regs = platform_get_resource(pdev, IORESOURCE_MEM, CTRL_IOMEM_ID); -+ fifo = platform_get_resource(pdev, IORESOURCE_MEM, FIFO_IOMEM_ID); -+ if (!regs || !fifo) -+ return -ENXIO; -+ -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) -+ return irq; -+ -+ pclk = clk_get(&pdev->dev, "pclk"); -+ if (IS_ERR(pclk)) -+ return PTR_ERR(pclk); -+ hclk = clk_get(&pdev->dev, "hclk"); -+ if (IS_ERR(hclk)) { -+ ret = PTR_ERR(hclk); -+ goto err_get_hclk; -+ } -+ -+ udc->pdev = pdev; -+ udc->pclk = pclk; -+ udc->hclk = hclk; -+ udc->vbus_pin = -1; -+ -+ ret = -ENOMEM; -+ udc->regs = ioremap(regs->start, regs->end - regs->start + 1); -+ if (!udc->regs) { -+ dev_err(&pdev->dev, "Unable to map I/O memory, aborting.\n"); -+ goto err_map_regs; -+ } -+ dev_info(&pdev->dev, "MMIO registers at 0x%08lx mapped at %p\n", -+ (unsigned long)regs->start, udc->regs); -+ udc->fifo = ioremap(fifo->start, fifo->end - fifo->start + 1); -+ if (!udc->fifo) { -+ dev_err(&pdev->dev, "Unable to map FIFO, aborting.\n"); -+ goto err_map_fifo; -+ } -+ dev_info(&pdev->dev, "FIFO at 0x%08lx mapped at %p\n", -+ (unsigned long)fifo->start, udc->fifo); -+ -+ device_initialize(&udc->gadget.dev); -+ udc->gadget.dev.parent = &pdev->dev; -+ udc->gadget.dev.dma_mask = pdev->dev.dma_mask; -+ -+ platform_set_drvdata(pdev, udc); -+ -+ /* Make sure we start from a clean slate */ -+ clk_enable(pclk); -+ usba_writel(udc, CTRL, 0); -+ clk_disable(pclk); -+ -+ INIT_LIST_HEAD(&usba_ep[0].ep.ep_list); -+ usba_ep[0].ep_regs = udc->regs + USBA_EPT_BASE(0); -+ usba_ep[0].dma_regs = udc->regs + USBA_DMA_BASE(0); -+ usba_ep[0].fifo = udc->fifo + USBA_FIFO_BASE(0); -+ for (i = 1; i < ARRAY_SIZE(usba_ep); i++) { -+ struct usba_ep *ep = &usba_ep[i]; -+ -+ ep->ep_regs = udc->regs + USBA_EPT_BASE(i); -+ ep->dma_regs = udc->regs + USBA_DMA_BASE(i); -+ ep->fifo = udc->fifo + USBA_FIFO_BASE(i); -+ -+ list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); -+ } -+ -+ ret = request_irq(irq, usba_udc_irq, IRQF_SAMPLE_RANDOM, -+ "atmel_usba_udc", udc); -+ if (ret) { -+ dev_err(&pdev->dev, "Cannot request irq %d (error %d)\n", -+ irq, ret); -+ goto err_request_irq; -+ } -+ udc->irq = irq; -+ -+ ret = device_add(&udc->gadget.dev); -+ if (ret) { -+ dev_dbg(&pdev->dev, "Could not add gadget: %d\n", ret); -+ goto err_device_add; -+ } -+ -+ if (pdata && pdata->vbus_pin != GPIO_PIN_NONE) -+ if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc")) -+ udc->vbus_pin = pdata->vbus_pin; -+ -+ usba_init_debugfs(udc); -+ for (i = 1; i < ARRAY_SIZE(usba_ep); i++) -+ usba_ep_init_debugfs(udc, &usba_ep[i]); -+ -+ return 0; -+ -+err_device_add: -+ free_irq(irq, udc); -+err_request_irq: -+ iounmap(udc->fifo); -+err_map_fifo: -+ iounmap(udc->regs); -+err_map_regs: -+ clk_put(hclk); -+err_get_hclk: -+ clk_put(pclk); -+ -+ platform_set_drvdata(pdev, NULL); -+ -+ return ret; -+} -+ -+static int __devexit usba_udc_remove(struct platform_device *pdev) -+{ -+ struct usba_udc *udc; -+ int i; -+ -+ udc = platform_get_drvdata(pdev); -+ -+ for (i = 1; i < ARRAY_SIZE(usba_ep); i++) -+ usba_ep_cleanup_debugfs(&usba_ep[i]); -+ usba_cleanup_debugfs(udc); -+ -+ if (udc->vbus_pin != -1) -+ gpio_free(udc->vbus_pin); -+ -+ free_irq(udc->irq, udc); -+ iounmap(udc->fifo); -+ iounmap(udc->regs); -+ clk_put(udc->hclk); -+ clk_put(udc->pclk); -+ -+ device_unregister(&udc->gadget.dev); -+ -+ return 0; -+} -+ -+static struct platform_driver udc_driver = { -+ .probe = usba_udc_probe, -+ .remove = __devexit_p(usba_udc_remove), -+ .driver = { -+ .name = "atmel_usba_udc", -+ }, -+}; -+ -+static int __init udc_init(void) -+{ -+ return platform_driver_register(&udc_driver); -+} -+module_init(udc_init); -+ -+static void __exit udc_exit(void) -+{ -+ platform_driver_unregister(&udc_driver); -+} -+module_exit(udc_exit); -+ -+MODULE_DESCRIPTION("Atmel USBA UDC driver"); -+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h -new file mode 100644 -index 0000000..408d2ce ---- /dev/null -+++ b/drivers/usb/gadget/atmel_usba_udc.h -@@ -0,0 +1,402 @@ -+/* -+ * Driver for the Atmel USBA high speed USB device controller -+ * -+ * Copyright (C) 2005-2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __LINUX_USB_GADGET_USBA_UDC_H__ -+#define __LINUX_USB_GADGET_USBA_UDC_H__ -+ -+/* USB register offsets */ -+#define USBA_CTRL 0x0000 -+#define USBA_FNUM 0x0004 -+#define USBA_INT_ENB 0x0010 -+#define USBA_INT_STA 0x0014 -+#define USBA_INT_CLR 0x0018 -+#define USBA_EPT_RST 0x001c -+#define USBA_TST_SOF_CNT 0x00d0 -+#define USBA_TST_CNT_A 0x00d4 -+#define USBA_TST_CNT_B 0x00d8 -+#define USBA_TST_MODE_REG 0x00dc -+#define USBA_TST 0x00e0 -+ -+/* USB endpoint register offsets */ -+#define USBA_EPT_CFG 0x0000 -+#define USBA_EPT_CTL_ENB 0x0004 -+#define USBA_EPT_CTL_DIS 0x0008 -+#define USBA_EPT_CTL 0x000c -+#define USBA_EPT_SET_STA 0x0014 -+#define USBA_EPT_CLR_STA 0x0018 -+#define USBA_EPT_STA 0x001c -+ -+/* USB DMA register offsets */ -+#define USBA_DMA_NXT_DSC 0x0000 -+#define USBA_DMA_ADDRESS 0x0004 -+#define USBA_DMA_CONTROL 0x0008 -+#define USBA_DMA_STATUS 0x000c -+ -+/* Bitfields in CTRL */ -+#define USBA_DEV_ADDR_OFFSET 0 -+#define USBA_DEV_ADDR_SIZE 7 -+#define USBA_FADDR_EN_OFFSET 7 -+#define USBA_FADDR_EN_SIZE 1 -+#define USBA_EN_USBA_OFFSET 8 -+#define USBA_EN_USBA_SIZE 1 -+#define USBA_DETACH_OFFSET 9 -+#define USBA_DETACH_SIZE 1 -+#define USBA_REMOTE_WAKE_UP_OFFSET 10 -+#define USBA_REMOTE_WAKE_UP_SIZE 1 -+ -+/* Bitfields in FNUM */ -+#define USBA_MICRO_FRAME_NUM_OFFSET 0 -+#define USBA_MICRO_FRAME_NUM_SIZE 3 -+#define USBA_FRAME_NUMBER_OFFSET 3 -+#define USBA_FRAME_NUMBER_SIZE 11 -+#define USBA_FRAME_NUM_ERROR_OFFSET 31 -+#define USBA_FRAME_NUM_ERROR_SIZE 1 -+ -+/* Bitfields in INT_ENB/INT_STA/INT_CLR */ -+#define USBA_HIGH_SPEED_OFFSET 0 -+#define USBA_HIGH_SPEED_SIZE 1 -+#define USBA_DET_SUSPEND_OFFSET 1 -+#define USBA_DET_SUSPEND_SIZE 1 -+#define USBA_MICRO_SOF_OFFSET 2 -+#define USBA_MICRO_SOF_SIZE 1 -+#define USBA_SOF_OFFSET 3 -+#define USBA_SOF_SIZE 1 -+#define USBA_END_OF_RESET_OFFSET 4 -+#define USBA_END_OF_RESET_SIZE 1 -+#define USBA_WAKE_UP_OFFSET 5 -+#define USBA_WAKE_UP_SIZE 1 -+#define USBA_END_OF_RESUME_OFFSET 6 -+#define USBA_END_OF_RESUME_SIZE 1 -+#define USBA_UPSTREAM_RESUME_OFFSET 7 -+#define USBA_UPSTREAM_RESUME_SIZE 1 -+#define USBA_EPT_INT_OFFSET 8 -+#define USBA_EPT_INT_SIZE 16 -+#define USBA_DMA_INT_OFFSET 24 -+#define USBA_DMA_INT_SIZE 8 -+ -+/* Bitfields in EPT_RST */ -+#define USBA_RST_OFFSET 0 -+#define USBA_RST_SIZE 16 -+ -+/* Bitfields in TST_SOF_CNT */ -+#define USBA_SOF_CNT_MAX_OFFSET 0 -+#define USBA_SOF_CNT_MAX_SIZE 7 -+#define USBA_SOF_CNT_LOAD_OFFSET 7 -+#define USBA_SOF_CNT_LOAD_SIZE 1 -+ -+/* Bitfields in TST_CNT_A */ -+#define USBA_CNT_A_MAX_OFFSET 0 -+#define USBA_CNT_A_MAX_SIZE 7 -+#define USBA_CNT_A_LOAD_OFFSET 7 -+#define USBA_CNT_A_LOAD_SIZE 1 -+ -+/* Bitfields in TST_CNT_B */ -+#define USBA_CNT_B_MAX_OFFSET 0 -+#define USBA_CNT_B_MAX_SIZE 7 -+#define USBA_CNT_B_LOAD_OFFSET 7 -+#define USBA_CNT_B_LOAD_SIZE 1 -+ -+/* Bitfields in TST_MODE_REG */ -+#define USBA_TST_MODE_OFFSET 0 -+#define USBA_TST_MODE_SIZE 6 -+ -+/* Bitfields in USBA_TST */ -+#define USBA_SPEED_CFG_OFFSET 0 -+#define USBA_SPEED_CFG_SIZE 2 -+#define USBA_TST_J_MODE_OFFSET 2 -+#define USBA_TST_J_MODE_SIZE 1 -+#define USBA_TST_K_MODE_OFFSET 3 -+#define USBA_TST_K_MODE_SIZE 1 -+#define USBA_TST_PKT_MODE_OFFSET 4 -+#define USBA_TST_PKT_MODE_SIZE 1 -+#define USBA_OPMODE2_OFFSET 5 -+#define USBA_OPMODE2_SIZE 1 -+ -+/* Bitfields in EPT_CFG */ -+#define USBA_EPT_SIZE_OFFSET 0 -+#define USBA_EPT_SIZE_SIZE 3 -+#define USBA_EPT_DIR_OFFSET 3 -+#define USBA_EPT_DIR_SIZE 1 -+#define USBA_EPT_TYPE_OFFSET 4 -+#define USBA_EPT_TYPE_SIZE 2 -+#define USBA_BK_NUMBER_OFFSET 6 -+#define USBA_BK_NUMBER_SIZE 2 -+#define USBA_NB_TRANS_OFFSET 8 -+#define USBA_NB_TRANS_SIZE 2 -+#define USBA_EPT_MAPPED_OFFSET 31 -+#define USBA_EPT_MAPPED_SIZE 1 -+ -+/* Bitfields in EPT_CTL/EPT_CTL_ENB/EPT_CTL_DIS */ -+#define USBA_EPT_ENABLE_OFFSET 0 -+#define USBA_EPT_ENABLE_SIZE 1 -+#define USBA_AUTO_VALID_OFFSET 1 -+#define USBA_AUTO_VALID_SIZE 1 -+#define USBA_INTDIS_DMA_OFFSET 3 -+#define USBA_INTDIS_DMA_SIZE 1 -+#define USBA_NYET_DIS_OFFSET 4 -+#define USBA_NYET_DIS_SIZE 1 -+#define USBA_DATAX_RX_OFFSET 6 -+#define USBA_DATAX_RX_SIZE 1 -+#define USBA_MDATA_RX_OFFSET 7 -+#define USBA_MDATA_RX_SIZE 1 -+/* Bits 8-15 and 31 enable interrupts for respective bits in EPT_STA */ -+#define USBA_BUSY_BANK_IE_OFFSET 18 -+#define USBA_BUSY_BANK_IE_SIZE 1 -+ -+/* Bitfields in EPT_SET_STA/EPT_CLR_STA/EPT_STA */ -+#define USBA_FORCE_STALL_OFFSET 5 -+#define USBA_FORCE_STALL_SIZE 1 -+#define USBA_TOGGLE_SEQ_OFFSET 6 -+#define USBA_TOGGLE_SEQ_SIZE 2 -+#define USBA_ERR_OVFLW_OFFSET 8 -+#define USBA_ERR_OVFLW_SIZE 1 -+#define USBA_RX_BK_RDY_OFFSET 9 -+#define USBA_RX_BK_RDY_SIZE 1 -+#define USBA_KILL_BANK_OFFSET 9 -+#define USBA_KILL_BANK_SIZE 1 -+#define USBA_TX_COMPLETE_OFFSET 10 -+#define USBA_TX_COMPLETE_SIZE 1 -+#define USBA_TX_PK_RDY_OFFSET 11 -+#define USBA_TX_PK_RDY_SIZE 1 -+#define USBA_ISO_ERR_TRANS_OFFSET 11 -+#define USBA_ISO_ERR_TRANS_SIZE 1 -+#define USBA_RX_SETUP_OFFSET 12 -+#define USBA_RX_SETUP_SIZE 1 -+#define USBA_ISO_ERR_FLOW_OFFSET 12 -+#define USBA_ISO_ERR_FLOW_SIZE 1 -+#define USBA_STALL_SENT_OFFSET 13 -+#define USBA_STALL_SENT_SIZE 1 -+#define USBA_ISO_ERR_CRC_OFFSET 13 -+#define USBA_ISO_ERR_CRC_SIZE 1 -+#define USBA_ISO_ERR_NBTRANS_OFFSET 13 -+#define USBA_ISO_ERR_NBTRANS_SIZE 1 -+#define USBA_NAK_IN_OFFSET 14 -+#define USBA_NAK_IN_SIZE 1 -+#define USBA_ISO_ERR_FLUSH_OFFSET 14 -+#define USBA_ISO_ERR_FLUSH_SIZE 1 -+#define USBA_NAK_OUT_OFFSET 15 -+#define USBA_NAK_OUT_SIZE 1 -+#define USBA_CURRENT_BANK_OFFSET 16 -+#define USBA_CURRENT_BANK_SIZE 2 -+#define USBA_BUSY_BANKS_OFFSET 18 -+#define USBA_BUSY_BANKS_SIZE 2 -+#define USBA_BYTE_COUNT_OFFSET 20 -+#define USBA_BYTE_COUNT_SIZE 11 -+#define USBA_SHORT_PACKET_OFFSET 31 -+#define USBA_SHORT_PACKET_SIZE 1 -+ -+/* Bitfields in DMA_CONTROL */ -+#define USBA_DMA_CH_EN_OFFSET 0 -+#define USBA_DMA_CH_EN_SIZE 1 -+#define USBA_DMA_LINK_OFFSET 1 -+#define USBA_DMA_LINK_SIZE 1 -+#define USBA_DMA_END_TR_EN_OFFSET 2 -+#define USBA_DMA_END_TR_EN_SIZE 1 -+#define USBA_DMA_END_BUF_EN_OFFSET 3 -+#define USBA_DMA_END_BUF_EN_SIZE 1 -+#define USBA_DMA_END_TR_IE_OFFSET 4 -+#define USBA_DMA_END_TR_IE_SIZE 1 -+#define USBA_DMA_END_BUF_IE_OFFSET 5 -+#define USBA_DMA_END_BUF_IE_SIZE 1 -+#define USBA_DMA_DESC_LOAD_IE_OFFSET 6 -+#define USBA_DMA_DESC_LOAD_IE_SIZE 1 -+#define USBA_DMA_BURST_LOCK_OFFSET 7 -+#define USBA_DMA_BURST_LOCK_SIZE 1 -+#define USBA_DMA_BUF_LEN_OFFSET 16 -+#define USBA_DMA_BUF_LEN_SIZE 16 -+ -+/* Bitfields in DMA_STATUS */ -+#define USBA_DMA_CH_ACTIVE_OFFSET 1 -+#define USBA_DMA_CH_ACTIVE_SIZE 1 -+#define USBA_DMA_END_TR_ST_OFFSET 4 -+#define USBA_DMA_END_TR_ST_SIZE 1 -+#define USBA_DMA_END_BUF_ST_OFFSET 5 -+#define USBA_DMA_END_BUF_ST_SIZE 1 -+#define USBA_DMA_DESC_LOAD_ST_OFFSET 6 -+#define USBA_DMA_DESC_LOAD_ST_SIZE 1 -+ -+/* Constants for SPEED_CFG */ -+#define USBA_SPEED_CFG_NORMAL 0 -+#define USBA_SPEED_CFG_FORCE_HIGH 2 -+#define USBA_SPEED_CFG_FORCE_FULL 3 -+ -+/* Constants for EPT_SIZE */ -+#define USBA_EPT_SIZE_8 0 -+#define USBA_EPT_SIZE_16 1 -+#define USBA_EPT_SIZE_32 2 -+#define USBA_EPT_SIZE_64 3 -+#define USBA_EPT_SIZE_128 4 -+#define USBA_EPT_SIZE_256 5 -+#define USBA_EPT_SIZE_512 6 -+#define USBA_EPT_SIZE_1024 7 -+ -+/* Constants for EPT_TYPE */ -+#define USBA_EPT_TYPE_CONTROL 0 -+#define USBA_EPT_TYPE_ISO 1 -+#define USBA_EPT_TYPE_BULK 2 -+#define USBA_EPT_TYPE_INT 3 -+ -+/* Constants for BK_NUMBER */ -+#define USBA_BK_NUMBER_ZERO 0 -+#define USBA_BK_NUMBER_ONE 1 -+#define USBA_BK_NUMBER_DOUBLE 2 -+#define USBA_BK_NUMBER_TRIPLE 3 -+ -+/* Bit manipulation macros */ -+#define USBA_BIT(name) \ -+ (1 << USBA_##name##_OFFSET) -+#define USBA_BF(name, value) \ -+ (((value) & ((1 << USBA_##name##_SIZE) - 1)) \ -+ << USBA_##name##_OFFSET) -+#define USBA_BFEXT(name, value) \ -+ (((value) >> USBA_##name##_OFFSET) \ -+ & ((1 << USBA_##name##_SIZE) - 1)) -+#define USBA_BFINS(name, value, old) \ -+ (((old) & ~(((1 << USBA_##name##_SIZE) - 1) \ -+ << USBA_##name##_OFFSET)) \ -+ | USBA_BF(name, value)) -+ -+/* Register access macros */ -+#define usba_readl(udc, reg) \ -+ __raw_readl((udc)->regs + USBA_##reg) -+#define usba_writel(udc, reg, value) \ -+ __raw_writel((value), (udc)->regs + USBA_##reg) -+#define usba_ep_readl(ep, reg) \ -+ __raw_readl((ep)->ep_regs + USBA_EPT_##reg) -+#define usba_ep_writel(ep, reg, value) \ -+ __raw_writel((value), (ep)->ep_regs + USBA_EPT_##reg) -+#define usba_dma_readl(ep, reg) \ -+ __raw_readl((ep)->dma_regs + USBA_DMA_##reg) -+#define usba_dma_writel(ep, reg, value) \ -+ __raw_writel((value), (ep)->dma_regs + USBA_DMA_##reg) -+ -+/* Calculate base address for a given endpoint or DMA controller */ -+#define USBA_EPT_BASE(x) (0x100 + (x) * 0x20) -+#define USBA_DMA_BASE(x) (0x300 + (x) * 0x10) -+#define USBA_FIFO_BASE(x) ((x) << 16) -+ -+/* Synth parameters */ -+#define USBA_NR_ENDPOINTS 7 -+ -+#define EP0_FIFO_SIZE 64 -+#define EP0_EPT_SIZE USBA_EPT_SIZE_64 -+#define EP0_NR_BANKS 1 -+#define BULK_FIFO_SIZE 512 -+#define BULK_EPT_SIZE USBA_EPT_SIZE_512 -+#define BULK_NR_BANKS 2 -+#define ISO_FIFO_SIZE 1024 -+#define ISO_EPT_SIZE USBA_EPT_SIZE_1024 -+#define ISO_NR_BANKS 3 -+#define INT_FIFO_SIZE 64 -+#define INT_EPT_SIZE USBA_EPT_SIZE_64 -+#define INT_NR_BANKS 3 -+ -+enum usba_ctrl_state { -+ WAIT_FOR_SETUP, -+ DATA_STAGE_IN, -+ DATA_STAGE_OUT, -+ STATUS_STAGE_IN, -+ STATUS_STAGE_OUT, -+ STATUS_STAGE_ADDR, -+ STATUS_STAGE_TEST, -+}; -+/* -+ EP_STATE_IDLE, -+ EP_STATE_SETUP, -+ EP_STATE_IN_DATA, -+ EP_STATE_OUT_DATA, -+ EP_STATE_SET_ADDR_STATUS, -+ EP_STATE_RX_STATUS, -+ EP_STATE_TX_STATUS, -+ EP_STATE_HALT, -+*/ -+ -+struct usba_dma_desc { -+ dma_addr_t next; -+ dma_addr_t addr; -+ u32 ctrl; -+}; -+ -+struct usba_ep { -+ int state; -+ void __iomem *ep_regs; -+ void __iomem *dma_regs; -+ void __iomem *fifo; -+ struct usb_ep ep; -+ struct usba_udc *udc; -+ -+ struct list_head queue; -+ const struct usb_endpoint_descriptor *desc; -+ -+ u16 fifo_size; -+ u8 nr_banks; -+ u8 index; -+ unsigned int can_dma:1; -+ unsigned int can_isoc:1; -+ unsigned int is_isoc:1; -+ unsigned int is_in:1; -+ -+#ifdef CONFIG_DEBUG_FS -+ u32 last_dma_status; -+ struct dentry *debugfs_dir; -+ struct dentry *debugfs_queue; -+ struct dentry *debugfs_dma_status; -+ struct dentry *debugfs_state; -+#endif -+}; -+ -+struct usba_request { -+ struct usb_request req; -+ struct list_head queue; -+ -+ u32 ctrl; -+ -+ unsigned int submitted:1; -+ unsigned int last_transaction:1; -+ unsigned int using_dma:1; -+ unsigned int mapped:1; -+}; -+ -+struct usba_udc { -+ /* Protect hw registers from concurrent modifications */ -+ spinlock_t lock; -+ -+ void __iomem *regs; -+ void __iomem *fifo; -+ -+ struct usb_gadget gadget; -+ struct usb_gadget_driver *driver; -+ struct platform_device *pdev; -+ int irq; -+ int vbus_pin; -+ struct clk *pclk; -+ struct clk *hclk; -+ -+ int test_mode; -+ int vbus_prev; -+ -+#ifdef CONFIG_DEBUG_FS -+ struct dentry *debugfs_root; -+ struct dentry *debugfs_regs; -+#endif -+}; -+ -+#define to_usba_ep(x) container_of((x), struct usba_ep, ep) -+#define to_usba_req(x) container_of((x), struct usba_request, req) -+#define to_usba_udc(x) container_of((x), struct usba_udc, gadget) -+ -+#define ep_index(ep) ((ep)->index) -+#define ep_can_dma(ep) ((ep)->can_dma) -+#define ep_is_in(ep) ((ep)->is_in) -+#define ep_is_isochronous(ep) ((ep)->is_isoc) -+#define ep_is_control(ep) (ep_index(ep) == 0) -+#define ep_name(ep) ((ep)->ep.name) -+#define ep_is_idle(ep) ((ep)->state == EP_STATE_IDLE) -+ -+#endif /* __LINUX_USB_GADGET_USBA_UDC_H */ -diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c -index 325bf7c..23e874b 100644 ---- a/drivers/usb/gadget/ether.c -+++ b/drivers/usb/gadget/ether.c -@@ -277,7 +277,7 @@ MODULE_PARM_DESC(host_addr, "Host Ethernet Address"); - #define DEV_CONFIG_CDC - #endif - --#ifdef CONFIG_USB_GADGET_HUSB2DEV -+#ifdef CONFIG_USB_GADGET_ATMEL_USBA - #define DEV_CONFIG_CDC - #endif - -diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h -index d041b91..96e4dbc 100644 ---- a/drivers/usb/gadget/gadget_chips.h -+++ b/drivers/usb/gadget/gadget_chips.h -@@ -75,10 +75,10 @@ - #define gadget_is_pxa27x(g) 0 - #endif - --#ifdef CONFIG_USB_GADGET_HUSB2DEV --#define gadget_is_husb2dev(g) !strcmp("husb2_udc", (g)->name) -+#ifdef CONFIG_USB_GADGET_ATMEL_USBA -+#define gadget_is_atmel_usba(g) !strcmp("atmel_usba_udc", (g)->name) - #else --#define gadget_is_husb2dev(g) 0 -+#define gadget_is_atmel_usba(g) 0 - #endif - - #ifdef CONFIG_USB_GADGET_S3C2410 -@@ -181,7 +181,7 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget) - return 0x16; - else if (gadget_is_mpc8272(gadget)) - return 0x17; -- else if (gadget_is_husb2dev(gadget)) -+ else if (gadget_is_atmel_usba(gadget)) - return 0x18; - else if (gadget_is_fsl_usb2(gadget)) - return 0x19; -diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c -index 46d0e52..855f8cc 100644 ---- a/drivers/usb/gadget/inode.c -+++ b/drivers/usb/gadget/inode.c -@@ -37,7 +37,7 @@ - #include <linux/device.h> - #include <linux/moduleparam.h> - --#include <linux/usb_gadgetfs.h> -+#include <linux/usb/gadgetfs.h> - #include <linux/usb_gadget.h> - - -diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig -index 403dac7..f3e2897 100644 ---- a/drivers/video/Kconfig -+++ b/drivers/video/Kconfig -@@ -849,6 +849,16 @@ config FB_INTSRAM - Say Y if you want to map Frame Buffer in internal SRAM. Say N if you want - to let frame buffer in external SDRAM. - -+config FB_ATMEL_STN -+ bool "Use a STN display with AT91/AT32 LCD Controller" -+ depends on FB_ATMEL && ARCH_AT91SAM9261 -+ default n -+ help -+ Say Y if you want to connect a STN LCD display to the AT91/AT32 LCD -+ Controller. Say N if you want to connect a TFT. -+ -+ If unsure, say N. -+ - config FB_NVIDIA - tristate "nVidia Framebuffer Support" - depends on FB && PCI -diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c -index e1d5bd0..bb361ab 100644 ---- a/drivers/video/atmel_lcdfb.c -+++ b/drivers/video/atmel_lcdfb.c -@@ -37,7 +37,9 @@ - #endif - - #if defined(CONFIG_ARCH_AT91) --#define ATMEL_LCDFB_FBINFO_DEFAULT FBINFO_DEFAULT -+#define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \ -+ | FBINFO_PARTIAL_PAN_OK \ -+ | FBINFO_HWACCEL_YPAN) - - static inline void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo, - struct fb_var_screeninfo *var) -@@ -74,11 +76,34 @@ static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = { - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_TRUECOLOR, - .xpanstep = 0, -- .ypanstep = 0, -+ .ypanstep = 1, - .ywrapstep = 0, - .accel = FB_ACCEL_NONE, - }; - -+static unsigned long compute_hozval(unsigned long xres, unsigned long lcdcon2) -+{ -+ unsigned long value; -+ -+ if (!(cpu_is_at91sam9261() || cpu_is_at32ap7000())) -+ return xres; -+ -+ value = xres; -+ if ((lcdcon2 & ATMEL_LCDC_DISTYPE) != ATMEL_LCDC_DISTYPE_TFT) { -+ /* STN display */ -+ if ((lcdcon2 & ATMEL_LCDC_DISTYPE) == ATMEL_LCDC_DISTYPE_STNCOLOR) { -+ value *= 3; -+ } -+ if ( (lcdcon2 & ATMEL_LCDC_IFWIDTH) == ATMEL_LCDC_IFWIDTH_4 -+ || ( (lcdcon2 & ATMEL_LCDC_IFWIDTH) == ATMEL_LCDC_IFWIDTH_8 -+ && (lcdcon2 & ATMEL_LCDC_SCANMOD) == ATMEL_LCDC_SCANMOD_DUAL )) -+ value = DIV_ROUND_UP(value, 4); -+ else -+ value = DIV_ROUND_UP(value, 8); -+ } -+ -+ return value; -+} - - static void atmel_lcdfb_update_dma(struct fb_info *info, - struct fb_var_screeninfo *var) -@@ -181,6 +206,7 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, - var->xoffset = var->yoffset = 0; - - switch (var->bits_per_pixel) { -+ case 1: - case 2: - case 4: - case 8: -@@ -195,8 +221,11 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, - var->blue.offset = 10; - var->red.length = var->green.length = var->blue.length = 5; - break; -- case 24: - case 32: -+ var->transp.offset = 24; -+ var->transp.length = 8; -+ /* fall through */ -+ case 24: - var->red.offset = 0; - var->green.offset = 8; - var->blue.offset = 16; -@@ -228,8 +257,10 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, - static int atmel_lcdfb_set_par(struct fb_info *info) - { - struct atmel_lcdfb_info *sinfo = info->par; -+ unsigned long hozval_linesz; - unsigned long value; - unsigned long clk_value_khz; -+ unsigned long bits_per_line; - - dev_dbg(info->device, "%s:\n", __func__); - dev_dbg(info->device, " * resolution: %ux%u (%ux%u virtual)\n", -@@ -241,12 +272,15 @@ static int atmel_lcdfb_set_par(struct fb_info *info) - - lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0); - -- if (info->var.bits_per_pixel <= 8) -+ if (info->var.bits_per_pixel == 1) -+ info->fix.visual = FB_VISUAL_MONO01; -+ else if (info->var.bits_per_pixel <= 8) - info->fix.visual = FB_VISUAL_PSEUDOCOLOR; - else - info->fix.visual = FB_VISUAL_TRUECOLOR; - -- info->fix.line_length = info->var.xres_virtual * (info->var.bits_per_pixel / 8); -+ bits_per_line = info->var.xres_virtual * info->var.bits_per_pixel; -+ info->fix.line_length = DIV_ROUND_UP(bits_per_line, 8); - - /* Re-initialize the DMA engine... */ - dev_dbg(info->device, " * update DMA engine\n"); -@@ -262,18 +296,21 @@ static int atmel_lcdfb_set_par(struct fb_info *info) - /* Set pixel clock */ - clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000; - -- value = clk_value_khz / PICOS2KHZ(info->var.pixclock); -- -- if (clk_value_khz % PICOS2KHZ(info->var.pixclock)) -- value++; -+ value = DIV_ROUND_UP(clk_value_khz, PICOS2KHZ(info->var.pixclock)); - - value = (value / 2) - 1; -+ dev_dbg(info->device, " * programming CLKVAL = 0x%08lx\n", value); - - if (value <= 0) { - dev_notice(info->device, "Bypassing pixel clock divider\n"); - lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS); -- } else -+ } else { - lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, value << ATMEL_LCDC_CLKVAL_OFFSET); -+ info->var.pixclock = KHZ2PICOS(clk_value_khz / (2 * (value + 1))); -+ dev_dbg(info->device, " updated pixclk: %lu KHz\n", -+ PICOS2KHZ(info->var.pixclock)); -+ } -+ - - /* Initialize control register 2 */ - value = sinfo->default_lcdcon2; -@@ -311,9 +348,14 @@ static int atmel_lcdfb_set_par(struct fb_info *info) - dev_dbg(info->device, " * LCDTIM2 = %08lx\n", value); - lcdc_writel(sinfo, ATMEL_LCDC_TIM2, value); - -+ /* Horizontal value (aka line size) */ -+ hozval_linesz = compute_hozval(info->var.xres, -+ lcdc_readl(sinfo, ATMEL_LCDC_LCDCON2)); -+ - /* Display size */ -- value = (info->var.xres - 1) << ATMEL_LCDC_HOZVAL_OFFSET; -+ value = (hozval_linesz - 1) << ATMEL_LCDC_HOZVAL_OFFSET; - value |= info->var.yres - 1; -+ dev_dbg(info->device, " * LCDFRMCFG = %08lx\n", value); - lcdc_writel(sinfo, ATMEL_LCDC_LCDFRMCFG, value); - - /* FIFO Threshold: Use formula from data sheet */ -@@ -421,6 +463,15 @@ static int atmel_lcdfb_setcolreg(unsigned int regno, unsigned int red, - ret = 0; - } - break; -+ -+ case FB_VISUAL_MONO01: -+ if (regno < 2) { -+ val = (regno == 0) ? 0x00 : 0x1F; -+ lcdc_writel(sinfo, ATMEL_LCDC_LUT(regno), val); -+ ret = 0; -+ } -+ break; -+ - } - - return ret; -diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig -index fbef663..b6f936a 100644 ---- a/drivers/video/backlight/Kconfig -+++ b/drivers/video/backlight/Kconfig -@@ -8,26 +8,44 @@ menuconfig BACKLIGHT_LCD_SUPPORT - Enable this to be able to choose the drivers for controlling the - backlight and the LCD panel on some platforms, for example on PDAs. - --config BACKLIGHT_CLASS_DEVICE -- tristate "Lowlevel Backlight controls" -+# -+# LCD -+# -+config LCD_CLASS_DEVICE -+ tristate "Lowlevel LCD controls" - depends on BACKLIGHT_LCD_SUPPORT - default m - help -- This framework adds support for low-level control of the LCD -- backlight. This includes support for brightness and power. -+ This framework adds support for low-level control of LCD. -+ Some framebuffer devices connect to platform-specific LCD modules -+ in order to have a platform-specific way to control the flat panel -+ (contrast and applying power to the LCD (not to the backlight!)). - - To have support for your specific LCD panel you will have to - select the proper drivers which depend on this option. - --config LCD_CLASS_DEVICE -- tristate "Lowlevel LCD controls" -+config LCD_LTV350QV -+ tristate "Samsung LTV350QV LCD Panel" -+ depends on LCD_CLASS_DEVICE && SPI_MASTER -+ default n -+ help -+ If you have a Samsung LTV350QV LCD panel, say y to include a -+ power control driver for it. The panel starts up in power -+ off state, so you need this driver in order to see any -+ output. -+ -+ The LTV350QV panel is present on all ATSTK1000 boards. -+ -+# -+# Backlight -+# -+config BACKLIGHT_CLASS_DEVICE -+ tristate "Lowlevel Backlight controls" - depends on BACKLIGHT_LCD_SUPPORT - default m - help -- This framework adds support for low-level control of LCD. -- Some framebuffer devices connect to platform-specific LCD modules -- in order to have a platform-specific way to control the flat panel -- (contrast and applying power to the LCD (not to the backlight!)). -+ This framework adds support for low-level control of the LCD -+ backlight. This includes support for brightness and power. - - To have support for your specific LCD panel you will have to - select the proper drivers which depend on this option. -diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile -index c6e2266..965a78b 100644 ---- a/drivers/video/backlight/Makefile -+++ b/drivers/video/backlight/Makefile -@@ -1,6 +1,8 @@ - # Backlight & LCD drivers - - obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o -+obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o -+ - obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o - obj-$(CONFIG_BACKLIGHT_CORGI) += corgi_bl.o - obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o -diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c -new file mode 100644 -index 0000000..342b97a ---- /dev/null -+++ b/drivers/video/backlight/ltv350qv.c -@@ -0,0 +1,340 @@ -+/* -+ * Power control for Samsung LTV350QV Quarter VGA LCD Panel -+ * -+ * Copyright (C) 2006, 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/delay.h> -+#include <linux/err.h> -+#include <linux/fb.h> -+#include <linux/init.h> -+#include <linux/lcd.h> -+#include <linux/module.h> -+#include <linux/spi/spi.h> -+ -+#include "ltv350qv.h" -+ -+#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) -+ -+struct ltv350qv { -+ struct spi_device *spi; -+ u8 *buffer; -+ int power; -+ struct lcd_device *ld; -+}; -+ -+/* -+ * The power-on and power-off sequences are taken from the -+ * LTV350QV-F04 data sheet from Samsung. The register definitions are -+ * taken from the S6F2002 command list also from Samsung. Both -+ * documents are distributed with the AVR32 Linux BSP CD from Atmel. -+ * -+ * There's still some voodoo going on here, but it's a lot better than -+ * in the first incarnation of the driver where all we had was the raw -+ * numbers from the initialization sequence. -+ */ -+static int ltv350qv_write_reg(struct ltv350qv *lcd, u8 reg, u16 val) -+{ -+ struct spi_message msg; -+ struct spi_transfer index_xfer = { -+ .len = 3, -+ .cs_change = 1, -+ }; -+ struct spi_transfer value_xfer = { -+ .len = 3, -+ .cs_change = 1, -+ }; -+ -+ spi_message_init(&msg); -+ -+ /* register index */ -+ lcd->buffer[0] = LTV_OPC_INDEX; -+ lcd->buffer[1] = 0x00; -+ lcd->buffer[2] = reg & 0x7f; -+ index_xfer.tx_buf = lcd->buffer; -+ spi_message_add_tail(&index_xfer, &msg); -+ -+ /* register value */ -+ lcd->buffer[4] = LTV_OPC_DATA; -+ lcd->buffer[5] = val >> 8; -+ lcd->buffer[6] = val; -+ value_xfer.tx_buf = lcd->buffer + 4; -+ spi_message_add_tail(&value_xfer, &msg); -+ -+ return spi_sync(lcd->spi, &msg); -+} -+ -+/* The comments are taken straight from the data sheet */ -+static int ltv350qv_power_on(struct ltv350qv *lcd) -+{ -+ int ret; -+ -+ /* Power On Reset Display off State */ -+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, 0x0000)) -+ goto err; -+ msleep(15); -+ -+ /* Power Setting Function 1 */ -+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE)) -+ goto err; -+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL2, LTV_VCOML_ENABLE)) -+ goto err_power1; -+ -+ /* Power Setting Function 2 */ -+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, -+ LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5) -+ | LTV_SUPPLY_CURRENT(5))) -+ goto err_power2; -+ -+ msleep(55); -+ -+ /* Instruction Setting */ -+ ret = ltv350qv_write_reg(lcd, LTV_IFCTL, -+ LTV_NMD | LTV_REV | LTV_NL(0x1d)); -+ ret |= ltv350qv_write_reg(lcd, LTV_DATACTL, -+ LTV_DS_SAME | LTV_CHS_480 -+ | LTV_DF_RGB | LTV_RGB_BGR); -+ ret |= ltv350qv_write_reg(lcd, LTV_ENTRY_MODE, -+ LTV_VSPL_ACTIVE_LOW -+ | LTV_HSPL_ACTIVE_LOW -+ | LTV_DPL_SAMPLE_RISING -+ | LTV_EPL_ACTIVE_LOW -+ | LTV_SS_RIGHT_TO_LEFT); -+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL1, LTV_CLW(3)); -+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2, -+ LTV_NW_INV_1LINE | LTV_FWI(3)); -+ ret |= ltv350qv_write_reg(lcd, LTV_VBP, 0x000a); -+ ret |= ltv350qv_write_reg(lcd, LTV_HBP, 0x0021); -+ ret |= ltv350qv_write_reg(lcd, LTV_SOTCTL, LTV_SDT(3) | LTV_EQ(0)); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(0), 0x0103); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(1), 0x0301); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(2), 0x1f0f); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(3), 0x1f0f); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(4), 0x0707); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(5), 0x0307); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(6), 0x0707); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(7), 0x0000); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(8), 0x0004); -+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(9), 0x0000); -+ if (ret) -+ goto err_settings; -+ -+ /* Wait more than 2 frames */ -+ msleep(20); -+ -+ /* Display On Sequence */ -+ ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1, -+ LTV_VCOM_DISABLE | LTV_VCOMOUT_ENABLE -+ | LTV_POWER_ON | LTV_DRIVE_CURRENT(5) -+ | LTV_SUPPLY_CURRENT(5)); -+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2, -+ LTV_NW_INV_1LINE | LTV_DSC | LTV_FWI(3)); -+ if (ret) -+ goto err_disp_on; -+ -+ /* Display should now be ON. Phew. */ -+ return 0; -+ -+err_disp_on: -+ /* -+ * Try to recover. Error handling probably isn't very useful -+ * at this point, just make a best effort to switch the panel -+ * off. -+ */ -+ ltv350qv_write_reg(lcd, LTV_PWRCTL1, -+ LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5) -+ | LTV_SUPPLY_CURRENT(5)); -+ ltv350qv_write_reg(lcd, LTV_GATECTL2, -+ LTV_NW_INV_1LINE | LTV_FWI(3)); -+err_settings: -+err_power2: -+err_power1: -+ ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000); -+ msleep(1); -+err: -+ ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE); -+ return -EIO; -+} -+ -+static int ltv350qv_power_off(struct ltv350qv *lcd) -+{ -+ int ret; -+ -+ /* Display Off Sequence */ -+ ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1, -+ LTV_VCOM_DISABLE -+ | LTV_DRIVE_CURRENT(5) -+ | LTV_SUPPLY_CURRENT(5)); -+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2, -+ LTV_NW_INV_1LINE | LTV_FWI(3)); -+ -+ /* Power down setting 1 */ -+ ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000); -+ -+ /* Wait at least 1 ms */ -+ msleep(1); -+ -+ /* Power down setting 2 */ -+ ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE); -+ -+ /* -+ * No point in trying to recover here. If we can't switch the -+ * panel off, what are we supposed to do other than inform the -+ * user about the failure? -+ */ -+ if (ret) -+ return -EIO; -+ -+ /* Display power should now be OFF */ -+ return 0; -+} -+ -+static int ltv350qv_power(struct ltv350qv *lcd, int power) -+{ -+ int ret = 0; -+ -+ if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power)) -+ ret = ltv350qv_power_on(lcd); -+ else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power)) -+ ret = ltv350qv_power_off(lcd); -+ -+ if (!ret) -+ lcd->power = power; -+ -+ return ret; -+} -+ -+static int ltv350qv_set_power(struct lcd_device *ld, int power) -+{ -+ struct ltv350qv *lcd; -+ -+ lcd = class_get_devdata(&ld->class_dev); -+ return ltv350qv_power(lcd, power); -+} -+ -+static int ltv350qv_get_power(struct lcd_device *ld) -+{ -+ struct ltv350qv *lcd; -+ -+ lcd = class_get_devdata(&ld->class_dev); -+ return lcd->power; -+} -+ -+static struct lcd_ops ltv_ops = { -+ .get_power = ltv350qv_get_power, -+ .set_power = ltv350qv_set_power, -+}; -+ -+static int __devinit ltv350qv_probe(struct spi_device *spi) -+{ -+ struct ltv350qv *lcd; -+ struct lcd_device *ld; -+ int ret; -+ -+ lcd = kzalloc(sizeof(struct ltv350qv), GFP_KERNEL); -+ if (!lcd) -+ return -ENOMEM; -+ -+ lcd->spi = spi; -+ lcd->power = FB_BLANK_POWERDOWN; -+ lcd->buffer = kzalloc(8, GFP_KERNEL); -+ -+ ld = lcd_device_register("ltv350qv", lcd, <v_ops); -+ if (IS_ERR(ld)) { -+ ret = PTR_ERR(ld); -+ goto out_free_lcd; -+ } -+ lcd->ld = ld; -+ -+ ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK); -+ if (ret) -+ goto out_unregister; -+ -+ dev_set_drvdata(&spi->dev, lcd); -+ -+ return 0; -+ -+out_unregister: -+ lcd_device_unregister(ld); -+out_free_lcd: -+ kfree(lcd); -+ return ret; -+} -+ -+static int __devexit ltv350qv_remove(struct spi_device *spi) -+{ -+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); -+ -+ ltv350qv_power(lcd, FB_BLANK_POWERDOWN); -+ lcd_device_unregister(lcd->ld); -+ kfree(lcd); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+static int ltv350qv_suspend(struct spi_device *spi, -+ pm_message_t state, u32 level) -+{ -+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); -+ -+ if (level == SUSPEND_POWER_DOWN) -+ return ltv350qv_power(lcd, FB_BLANK_POWERDOWN); -+ -+ return 0; -+} -+ -+static int ltv350qv_resume(struct spi_device *spi, u32 level) -+{ -+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); -+ -+ if (level == RESUME_POWER_ON) -+ return ltv350qv_power(lcd, FB_BLANK_UNBLANK); -+ -+ return 0; -+} -+#else -+#define ltv350qv_suspend NULL -+#define ltv350qv_resume NULL -+#endif -+ -+/* Power down all displays on reboot, poweroff or halt */ -+static void ltv350qv_shutdown(struct spi_device *spi) -+{ -+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); -+ -+ ltv350qv_power(lcd, FB_BLANK_POWERDOWN); -+} -+ -+static struct spi_driver ltv350qv_driver = { -+ .driver = { -+ .name = "ltv350qv", -+ .bus = &spi_bus_type, -+ .owner = THIS_MODULE, -+ }, -+ -+ .probe = ltv350qv_probe, -+ .remove = __devexit_p(ltv350qv_remove), -+ .shutdown = ltv350qv_shutdown, -+ .suspend = ltv350qv_suspend, -+ .resume = ltv350qv_resume, -+}; -+ -+static int __init ltv350qv_init(void) -+{ -+ return spi_register_driver(<v350qv_driver); -+} -+ -+static void __exit ltv350qv_exit(void) -+{ -+ spi_unregister_driver(<v350qv_driver); -+} -+module_init(ltv350qv_init); -+module_exit(ltv350qv_exit); -+ -+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); -+MODULE_DESCRIPTION("Samsung LTV350QV LCD Driver"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/video/backlight/ltv350qv.h b/drivers/video/backlight/ltv350qv.h -new file mode 100644 -index 0000000..189112e ---- /dev/null -+++ b/drivers/video/backlight/ltv350qv.h -@@ -0,0 +1,95 @@ -+/* -+ * Register definitions for Samsung LTV350QV Quarter VGA LCD Panel -+ * -+ * Copyright (C) 2006, 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __LTV350QV_H -+#define __LTV350QV_H -+ -+#define LTV_OPC_INDEX 0x74 -+#define LTV_OPC_DATA 0x76 -+ -+#define LTV_ID 0x00 /* ID Read */ -+#define LTV_IFCTL 0x01 /* Display Interface Control */ -+#define LTV_DATACTL 0x02 /* Display Data Control */ -+#define LTV_ENTRY_MODE 0x03 /* Entry Mode */ -+#define LTV_GATECTL1 0x04 /* Gate Control 1 */ -+#define LTV_GATECTL2 0x05 /* Gate Control 2 */ -+#define LTV_VBP 0x06 /* Vertical Back Porch */ -+#define LTV_HBP 0x07 /* Horizontal Back Porch */ -+#define LTV_SOTCTL 0x08 /* Source Output Timing Control */ -+#define LTV_PWRCTL1 0x09 /* Power Control 1 */ -+#define LTV_PWRCTL2 0x0a /* Power Control 2 */ -+#define LTV_GAMMA(x) (0x10 + (x)) /* Gamma control */ -+ -+/* Bit definitions for LTV_IFCTL */ -+#define LTV_IM (1 << 15) -+#define LTV_NMD (1 << 14) -+#define LTV_SSMD (1 << 13) -+#define LTV_REV (1 << 7) -+#define LTV_NL(x) (((x) & 0x001f) << 0) -+ -+/* Bit definitions for LTV_DATACTL */ -+#define LTV_DS_SAME (0 << 12) -+#define LTV_DS_D_TO_S (1 << 12) -+#define LTV_DS_S_TO_D (2 << 12) -+#define LTV_CHS_384 (0 << 9) -+#define LTV_CHS_480 (1 << 9) -+#define LTV_CHS_492 (2 << 9) -+#define LTV_DF_RGB (0 << 6) -+#define LTV_DF_RGBX (1 << 6) -+#define LTV_DF_XRGB (2 << 6) -+#define LTV_RGB_RGB (0 << 2) -+#define LTV_RGB_BGR (1 << 2) -+#define LTV_RGB_GRB (2 << 2) -+#define LTV_RGB_RBG (3 << 2) -+ -+/* Bit definitions for LTV_ENTRY_MODE */ -+#define LTV_VSPL_ACTIVE_LOW (0 << 15) -+#define LTV_VSPL_ACTIVE_HIGH (1 << 15) -+#define LTV_HSPL_ACTIVE_LOW (0 << 14) -+#define LTV_HSPL_ACTIVE_HIGH (1 << 14) -+#define LTV_DPL_SAMPLE_RISING (0 << 13) -+#define LTV_DPL_SAMPLE_FALLING (1 << 13) -+#define LTV_EPL_ACTIVE_LOW (0 << 12) -+#define LTV_EPL_ACTIVE_HIGH (1 << 12) -+#define LTV_SS_LEFT_TO_RIGHT (0 << 8) -+#define LTV_SS_RIGHT_TO_LEFT (1 << 8) -+#define LTV_STB (1 << 1) -+ -+/* Bit definitions for LTV_GATECTL1 */ -+#define LTV_CLW(x) (((x) & 0x0007) << 12) -+#define LTV_GAON (1 << 5) -+#define LTV_SDR (1 << 3) -+ -+/* Bit definitions for LTV_GATECTL2 */ -+#define LTV_NW_INV_FRAME (0 << 14) -+#define LTV_NW_INV_1LINE (1 << 14) -+#define LTV_NW_INV_2LINE (2 << 14) -+#define LTV_DSC (1 << 12) -+#define LTV_GIF (1 << 8) -+#define LTV_FHN (1 << 7) -+#define LTV_FTI(x) (((x) & 0x0003) << 4) -+#define LTV_FWI(x) (((x) & 0x0003) << 0) -+ -+/* Bit definitions for LTV_SOTCTL */ -+#define LTV_SDT(x) (((x) & 0x0007) << 10) -+#define LTV_EQ(x) (((x) & 0x0007) << 2) -+ -+/* Bit definitions for LTV_PWRCTL1 */ -+#define LTV_VCOM_DISABLE (1 << 14) -+#define LTV_VCOMOUT_ENABLE (1 << 11) -+#define LTV_POWER_ON (1 << 9) -+#define LTV_DRIVE_CURRENT(x) (((x) & 0x0007) << 4) /* 0=off, 5=max */ -+#define LTV_SUPPLY_CURRENT(x) (((x) & 0x0007) << 0) /* 0=off, 5=max */ -+ -+/* Bit definitions for LTV_PWRCTL2 */ -+#define LTV_VCOML_ENABLE (1 << 13) -+#define LTV_VCOML_VOLTAGE(x) (((x) & 0x001f) << 8) /* 0=1V, 31=-1V */ -+#define LTV_VCOMH_VOLTAGE(x) (((x) & 0x001f) << 0) /* 0=3V, 31=4.5V */ -+ -+#endif /* __LTV350QV_H */ -diff --git a/include/asm-arm/arch-at91/board.h b/include/asm-arm/arch-at91/board.h -index 0ce6ee9..d96b10f 100644 ---- a/include/asm-arm/arch-at91/board.h -+++ b/include/asm-arm/arch-at91/board.h -@@ -64,6 +64,7 @@ extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) - - /* Ethernet (EMAC & MACB) */ - struct at91_eth_data { -+ u32 phy_mask; - u8 phy_irq_pin; /* PHY IRQ */ - u8 is_rmii; /* using RMII interface? */ - }; -diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h -index 9fd2e32..9b36eb8 100644 ---- a/include/asm-avr32/arch-at32ap/board.h -+++ b/include/asm-avr32/arch-at32ap/board.h -@@ -6,6 +6,8 @@ - - #include <linux/types.h> - -+#define GPIO_PIN_NONE (-1) -+ - /* Add basic devices: system manager, interrupt controller, portmuxes, etc. */ - void at32_add_system_devices(void); - -@@ -21,6 +23,7 @@ void at32_map_usart(unsigned int hw_id, unsigned int line); - struct platform_device *at32_add_device_usart(unsigned int id); - - struct eth_platform_data { -+ u32 phy_mask; - u8 is_rmii; - }; - struct platform_device * -@@ -30,9 +33,41 @@ struct spi_board_info; - struct platform_device * - at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n); - -+struct platform_device *at32_add_device_twi(unsigned int id); -+ -+struct mci_platform_data { -+ int detect_pin; -+ int wp_pin; -+}; -+struct platform_device * -+at32_add_device_mci(unsigned int id, struct mci_platform_data *data); -+ -+struct usba_platform_data { -+ int vbus_pin; -+}; -+struct platform_device * -+at32_add_device_usba(unsigned int id, struct usba_platform_data *data); -+ - struct atmel_lcdfb_info; - struct platform_device * - at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, - unsigned long fbmem_start, unsigned long fbmem_len); - -+struct platform_device *at32_add_device_ac97c(unsigned int id); -+struct platform_device *at32_add_device_abdac(unsigned int id); -+ -+/* depending on what's hooked up, not all SSC pins will be used */ -+#define ATMEL_SSC_TK 0x01 -+#define ATMEL_SSC_TF 0x02 -+#define ATMEL_SSC_TD 0x04 -+#define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD) -+ -+#define ATMEL_SSC_RK 0x10 -+#define ATMEL_SSC_RF 0x20 -+#define ATMEL_SSC_RD 0x40 -+#define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD) -+ -+struct platform_device * -+at32_add_device_ssc(unsigned int id, unsigned int flags); -+ - #endif /* __ASM_ARCH_BOARD_H */ -diff --git a/include/asm-avr32/arch-at32ap/portmux.h b/include/asm-avr32/arch-at32ap/portmux.h -index 9930871..0f95567 100644 ---- a/include/asm-avr32/arch-at32ap/portmux.h -+++ b/include/asm-avr32/arch-at32ap/portmux.h -@@ -25,4 +25,16 @@ void at32_select_periph(unsigned int pin, unsigned int periph, - void at32_select_gpio(unsigned int pin, unsigned long flags); - void at32_reserve_pin(unsigned int pin); - -+#ifdef CONFIG_GPIO_DEV -+ -+/* Gang allocators and accessors; used by the GPIO /dev driver */ -+int at32_gpio_port_is_valid(unsigned int port); -+int at32_select_gpio_pins(unsigned int port, u32 pins, u32 oe_mask); -+void at32_deselect_pins(unsigned int port, u32 pins); -+ -+u32 at32_gpio_get_value_multiple(unsigned int port, u32 pins); -+void at32_gpio_set_value_multiple(unsigned int port, u32 value, u32 mask); -+ -+#endif /* CONFIG_GPIO_DEV */ -+ - #endif /* __ASM_ARCH_PORTMUX_H__ */ -diff --git a/include/asm-avr32/arch-at32ap/sm.h b/include/asm-avr32/arch-at32ap/sm.h -deleted file mode 100644 -index 265a9ea..0000000 ---- a/include/asm-avr32/arch-at32ap/sm.h -+++ /dev/null -@@ -1,27 +0,0 @@ --/* -- * AT32 System Manager interface. -- * -- * Copyright (C) 2006 Atmel Corporation -- * -- * This program is free software; you can redistribute it and/or modify -- * it under the terms of the GNU General Public License version 2 as -- * published by the Free Software Foundation. -- */ --#ifndef __ASM_AVR32_AT32_SM_H__ --#define __ASM_AVR32_AT32_SM_H__ -- --struct irq_chip; --struct platform_device; -- --struct at32_sm { -- spinlock_t lock; -- void __iomem *regs; -- struct irq_chip *eim_chip; -- unsigned int eim_first_irq; -- struct platform_device *pdev; --}; -- --extern struct platform_device at32_sm_device; --extern struct at32_sm system_manager; -- --#endif /* __ASM_AVR32_AT32_SM_H__ */ -diff --git a/include/asm-avr32/atomic.h b/include/asm-avr32/atomic.h -index b9c2548..7ef3862 100644 ---- a/include/asm-avr32/atomic.h -+++ b/include/asm-avr32/atomic.h -@@ -101,7 +101,7 @@ static inline int atomic_sub_unless(atomic_t *v, int a, int u) - " mov %1, 1\n" - "1:" - : "=&r"(tmp), "=&r"(result), "=o"(v->counter) -- : "m"(v->counter), "rKs21"(a), "rKs21"(u) -+ : "m"(v->counter), "rKs21"(a), "rKs21"(u), "1"(result) - : "cc", "memory"); - - return result; -@@ -137,7 +137,7 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) - " mov %1, 1\n" - "1:" - : "=&r"(tmp), "=&r"(result), "=o"(v->counter) -- : "m"(v->counter), "r"(a), "ir"(u) -+ : "m"(v->counter), "r"(a), "ir"(u), "1"(result) - : "cc", "memory"); - } - -diff --git a/include/asm-avr32/dma-controller.h b/include/asm-avr32/dma-controller.h -new file mode 100644 -index 0000000..56a4965 ---- /dev/null -+++ b/include/asm-avr32/dma-controller.h -@@ -0,0 +1,166 @@ -+/* -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __ASM_AVR32_DMA_CONTROLLER_H -+#define __ASM_AVR32_DMA_CONTROLLER_H -+ -+#include <linux/device.h> -+ -+#define DMA_DIR_MEM_TO_MEM 0x0000 -+#define DMA_DIR_MEM_TO_PERIPH 0x0001 -+#define DMA_DIR_PERIPH_TO_MEM 0x0002 -+#define DMA_DIR_PERIPH_TO_PERIPH 0x0003 -+ -+#define DMA_WIDTH_8BIT 0 -+#define DMA_WIDTH_16BIT 1 -+#define DMA_WIDTH_32BIT 2 -+ -+struct dma_request { -+ struct dma_controller *dmac; -+ struct list_head list; -+ -+ unsigned short channel; -+ -+ void (*xfer_complete)(struct dma_request *req); -+ void (*block_complete)(struct dma_request *req); -+ void (*error)(struct dma_request *req); -+}; -+ -+struct dma_request_sg { -+ struct dma_request req; -+ -+ int nr_sg; -+ struct scatterlist *sg; -+ unsigned long block_size; -+ unsigned int nr_blocks; -+ -+ dma_addr_t data_reg; -+ unsigned short periph_id; -+ -+ unsigned char direction; -+ unsigned char width; -+}; -+#define to_dma_request_sg(_req) \ -+ container_of(_req, struct dma_request_sg, req) -+ -+struct dma_request_cyclic { -+ struct dma_request req; -+ -+ int periods; -+ unsigned long buffer_size; -+ -+ dma_addr_t buffer_start; -+ dma_addr_t data_reg; -+ -+ unsigned short periph_id; -+ unsigned char direction; -+ unsigned char width; -+ -+ void *dev_id; -+}; -+#define to_dma_request_cyclic(_req) \ -+ container_of(_req, struct dma_request_cyclic, req) -+ -+struct dma_request_memcpy { -+ struct dma_request req; -+ -+ dma_addr_t src_addr; -+ unsigned int src_width; -+ unsigned int src_stride; -+ -+ dma_addr_t dst_addr; -+ unsigned int dst_width; -+ unsigned int dst_stride; -+ -+ size_t length; -+ -+ unsigned short src_reverse:1; -+ unsigned short dst_reverse:1; -+}; -+#define to_dma_request_memcpy(_req) \ -+ container_of(_req, struct dma_request_memcpy, req) -+ -+struct dma_controller { -+ struct list_head list; -+ int id; -+ struct device *dev; -+ -+ int (*alloc_channel)(struct dma_controller *dmac); -+ void (*release_channel)(struct dma_controller *dmac, -+ int channel); -+ int (*prepare_request_sg)(struct dma_controller *dmac, -+ struct dma_request_sg *req); -+ int (*prepare_request_cyclic)(struct dma_controller *dmac, -+ struct dma_request_cyclic *req); -+ int (*prepare_request_memcpy)(struct dma_controller *dmac, -+ struct dma_request_memcpy *req); -+ int (*start_request)(struct dma_controller *dmac, -+ unsigned int channel); -+ int (*stop_request)(struct dma_controller *dmac, -+ unsigned int channel); -+ dma_addr_t (*get_current_pos)(struct dma_controller *dmac, -+ unsigned int channel); -+}; -+ -+static inline int -+dma_alloc_channel(struct dma_controller *dmac) -+{ -+ return dmac->alloc_channel(dmac); -+} -+ -+static inline void -+dma_release_channel(struct dma_controller *dmac, int chan) -+{ -+ dmac->release_channel(dmac, chan); -+} -+ -+static inline int -+dma_prepare_request_sg(struct dma_controller *dmac, -+ struct dma_request_sg *req) -+{ -+ return dmac->prepare_request_sg(dmac, req); -+} -+ -+static inline int -+dma_prepare_request_cyclic(struct dma_controller *dmac, -+ struct dma_request_cyclic *req) -+{ -+ return dmac->prepare_request_cyclic(dmac, req); -+} -+ -+static inline int -+dma_prepare_request_memcpy(struct dma_controller *dmac, -+ struct dma_request_memcpy *req) -+{ -+ return dmac->prepare_request_memcpy(dmac, req); -+} -+ -+static inline int -+dma_start_request(struct dma_controller *dmac, -+ unsigned int channel) -+{ -+ return dmac->start_request(dmac, channel); -+} -+ -+static inline int -+dma_stop_request(struct dma_controller *dmac, -+ unsigned int channel) -+{ -+ return dmac->stop_request(dmac, channel); -+} -+ -+static inline dma_addr_t -+dma_get_current_pos(struct dma_controller *dmac, -+ unsigned int channel) -+{ -+ return dmac->get_current_pos(dmac, channel); -+} -+ -+extern int register_dma_controller(struct dma_controller *dmac); -+extern struct dma_controller *find_dma_controller(int id); -+ -+#endif /* __ASM_AVR32_DMA_CONTROLLER_H */ -diff --git a/include/asm-avr32/unaligned.h b/include/asm-avr32/unaligned.h -index 3042723..36f5fd4 100644 ---- a/include/asm-avr32/unaligned.h -+++ b/include/asm-avr32/unaligned.h -@@ -7,19 +7,10 @@ - * words, but halfwords must be halfword-aligned, and doublewords must - * be word-aligned. - * -- * TODO: Make all this CPU-specific and optimize. -+ * However, swapped word loads must be word-aligned so we can't -+ * optimize word loads in general. - */ - --#include <linux/string.h> -- --/* Use memmove here, so gcc does not insert a __builtin_memcpy. */ -- --#define get_unaligned(ptr) \ -- ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; }) -- --#define put_unaligned(val, ptr) \ -- ({ __typeof__(*(ptr)) __tmp = (val); \ -- memmove((ptr), &__tmp, sizeof(*(ptr))); \ -- (void)0; }) -+#include <asm-generic/unaligned.h> - - #endif /* __ASM_AVR32_UNALIGNED_H */ -diff --git a/include/linux/atmel-ssc.h b/include/linux/atmel-ssc.h -new file mode 100644 -index 0000000..0602339 ---- /dev/null -+++ b/include/linux/atmel-ssc.h -@@ -0,0 +1,312 @@ -+#ifndef __INCLUDE_ATMEL_SSC_H -+#define __INCLUDE_ATMEL_SSC_H -+ -+#include <linux/platform_device.h> -+#include <linux/list.h> -+ -+struct ssc_device { -+ struct list_head list; -+ void __iomem *regs; -+ struct platform_device *pdev; -+ struct clk *clk; -+ int user; -+ int irq; -+}; -+ -+struct ssc_device * __must_check ssc_request(unsigned int ssc_num); -+void ssc_free(struct ssc_device *ssc); -+ -+/* SSC register offsets */ -+ -+/* SSC Control Register */ -+#define SSC_CR 0x00000000 -+#define SSC_CR_RXDIS_SIZE 1 -+#define SSC_CR_RXDIS_OFFSET 1 -+#define SSC_CR_RXEN_SIZE 1 -+#define SSC_CR_RXEN_OFFSET 0 -+#define SSC_CR_SWRST_SIZE 1 -+#define SSC_CR_SWRST_OFFSET 15 -+#define SSC_CR_TXDIS_SIZE 1 -+#define SSC_CR_TXDIS_OFFSET 9 -+#define SSC_CR_TXEN_SIZE 1 -+#define SSC_CR_TXEN_OFFSET 8 -+ -+/* SSC Clock Mode Register */ -+#define SSC_CMR 0x00000004 -+#define SSC_CMR_DIV_SIZE 12 -+#define SSC_CMR_DIV_OFFSET 0 -+ -+/* SSC Receive Clock Mode Register */ -+#define SSC_RCMR 0x00000010 -+#define SSC_RCMR_CKG_SIZE 2 -+#define SSC_RCMR_CKG_OFFSET 6 -+#define SSC_RCMR_CKI_SIZE 1 -+#define SSC_RCMR_CKI_OFFSET 5 -+#define SSC_RCMR_CKO_SIZE 3 -+#define SSC_RCMR_CKO_OFFSET 2 -+#define SSC_RCMR_CKS_SIZE 2 -+#define SSC_RCMR_CKS_OFFSET 0 -+#define SSC_RCMR_PERIOD_SIZE 8 -+#define SSC_RCMR_PERIOD_OFFSET 24 -+#define SSC_RCMR_START_SIZE 4 -+#define SSC_RCMR_START_OFFSET 8 -+#define SSC_RCMR_STOP_SIZE 1 -+#define SSC_RCMR_STOP_OFFSET 12 -+#define SSC_RCMR_STTDLY_SIZE 8 -+#define SSC_RCMR_STTDLY_OFFSET 16 -+ -+/* SSC Receive Frame Mode Register */ -+#define SSC_RFMR 0x00000014 -+#define SSC_RFMR_DATLEN_SIZE 5 -+#define SSC_RFMR_DATLEN_OFFSET 0 -+#define SSC_RFMR_DATNB_SIZE 4 -+#define SSC_RFMR_DATNB_OFFSET 8 -+#define SSC_RFMR_FSEDGE_SIZE 1 -+#define SSC_RFMR_FSEDGE_OFFSET 24 -+#define SSC_RFMR_FSLEN_SIZE 4 -+#define SSC_RFMR_FSLEN_OFFSET 16 -+#define SSC_RFMR_FSOS_SIZE 4 -+#define SSC_RFMR_FSOS_OFFSET 20 -+#define SSC_RFMR_LOOP_SIZE 1 -+#define SSC_RFMR_LOOP_OFFSET 5 -+#define SSC_RFMR_MSBF_SIZE 1 -+#define SSC_RFMR_MSBF_OFFSET 7 -+ -+/* SSC Transmit Clock Mode Register */ -+#define SSC_TCMR 0x00000018 -+#define SSC_TCMR_CKG_SIZE 2 -+#define SSC_TCMR_CKG_OFFSET 6 -+#define SSC_TCMR_CKI_SIZE 1 -+#define SSC_TCMR_CKI_OFFSET 5 -+#define SSC_TCMR_CKO_SIZE 3 -+#define SSC_TCMR_CKO_OFFSET 2 -+#define SSC_TCMR_CKS_SIZE 2 -+#define SSC_TCMR_CKS_OFFSET 0 -+#define SSC_TCMR_PERIOD_SIZE 8 -+#define SSC_TCMR_PERIOD_OFFSET 24 -+#define SSC_TCMR_START_SIZE 4 -+#define SSC_TCMR_START_OFFSET 8 -+#define SSC_TCMR_STTDLY_SIZE 8 -+#define SSC_TCMR_STTDLY_OFFSET 16 -+ -+/* SSC Transmit Frame Mode Register */ -+#define SSC_TFMR 0x0000001c -+#define SSC_TFMR_DATDEF_SIZE 1 -+#define SSC_TFMR_DATDEF_OFFSET 5 -+#define SSC_TFMR_DATLEN_SIZE 5 -+#define SSC_TFMR_DATLEN_OFFSET 0 -+#define SSC_TFMR_DATNB_SIZE 4 -+#define SSC_TFMR_DATNB_OFFSET 8 -+#define SSC_TFMR_FSDEN_SIZE 1 -+#define SSC_TFMR_FSDEN_OFFSET 23 -+#define SSC_TFMR_FSEDGE_SIZE 1 -+#define SSC_TFMR_FSEDGE_OFFSET 24 -+#define SSC_TFMR_FSLEN_SIZE 4 -+#define SSC_TFMR_FSLEN_OFFSET 16 -+#define SSC_TFMR_FSOS_SIZE 3 -+#define SSC_TFMR_FSOS_OFFSET 20 -+#define SSC_TFMR_MSBF_SIZE 1 -+#define SSC_TFMR_MSBF_OFFSET 7 -+ -+/* SSC Receive Hold Register */ -+#define SSC_RHR 0x00000020 -+#define SSC_RHR_RDAT_SIZE 32 -+#define SSC_RHR_RDAT_OFFSET 0 -+ -+/* SSC Transmit Hold Register */ -+#define SSC_THR 0x00000024 -+#define SSC_THR_TDAT_SIZE 32 -+#define SSC_THR_TDAT_OFFSET 0 -+ -+/* SSC Receive Sync. Holding Register */ -+#define SSC_RSHR 0x00000030 -+#define SSC_RSHR_RSDAT_SIZE 16 -+#define SSC_RSHR_RSDAT_OFFSET 0 -+ -+/* SSC Transmit Sync. Holding Register */ -+#define SSC_TSHR 0x00000034 -+#define SSC_TSHR_TSDAT_SIZE 16 -+#define SSC_TSHR_RSDAT_OFFSET 0 -+ -+/* SSC Receive Compare 0 Register */ -+#define SSC_RC0R 0x00000038 -+#define SSC_RC0R_CP0_SIZE 16 -+#define SSC_RC0R_CP0_OFFSET 0 -+ -+/* SSC Receive Compare 1 Register */ -+#define SSC_RC1R 0x0000003c -+#define SSC_RC1R_CP1_SIZE 16 -+#define SSC_RC1R_CP1_OFFSET 0 -+ -+/* SSC Status Register */ -+#define SSC_SR 0x00000040 -+#define SSC_SR_CP0_SIZE 1 -+#define SSC_SR_CP0_OFFSET 8 -+#define SSC_SR_CP1_SIZE 1 -+#define SSC_SR_CP1_OFFSET 9 -+#define SSC_SR_ENDRX_SIZE 1 -+#define SSC_SR_ENDRX_OFFSET 6 -+#define SSC_SR_ENDTX_SIZE 1 -+#define SSC_SR_ENDTX_OFFSET 2 -+#define SSC_SR_OVRUN_SIZE 1 -+#define SSC_SR_OVRUN_OFFSET 5 -+#define SSC_SR_RXBUFF_SIZE 1 -+#define SSC_SR_RXBUFF_OFFSET 7 -+#define SSC_SR_RXEN_SIZE 1 -+#define SSC_SR_RXEN_OFFSET 17 -+#define SSC_SR_RXRDY_SIZE 1 -+#define SSC_SR_RXRDY_OFFSET 4 -+#define SSC_SR_RXSYN_SIZE 1 -+#define SSC_SR_RXSYN_OFFSET 11 -+#define SSC_SR_TXBUFE_SIZE 1 -+#define SSC_SR_TXBUFE_OFFSET 3 -+#define SSC_SR_TXEMPTY_SIZE 1 -+#define SSC_SR_TXEMPTY_OFFSET 1 -+#define SSC_SR_TXEN_SIZE 1 -+#define SSC_SR_TXEN_OFFSET 16 -+#define SSC_SR_TXRDY_SIZE 1 -+#define SSC_SR_TXRDY_OFFSET 0 -+#define SSC_SR_TXSYN_SIZE 1 -+#define SSC_SR_TXSYN_OFFSET 10 -+ -+/* SSC Interrupt Enable Register */ -+#define SSC_IER 0x00000044 -+#define SSC_IER_CP0_SIZE 1 -+#define SSC_IER_CP0_OFFSET 8 -+#define SSC_IER_CP1_SIZE 1 -+#define SSC_IER_CP1_OFFSET 9 -+#define SSC_IER_ENDRX_SIZE 1 -+#define SSC_IER_ENDRX_OFFSET 6 -+#define SSC_IER_ENDTX_SIZE 1 -+#define SSC_IER_ENDTX_OFFSET 2 -+#define SSC_IER_OVRUN_SIZE 1 -+#define SSC_IER_OVRUN_OFFSET 5 -+#define SSC_IER_RXBUFF_SIZE 1 -+#define SSC_IER_RXBUFF_OFFSET 7 -+#define SSC_IER_RXRDY_SIZE 1 -+#define SSC_IER_RXRDY_OFFSET 4 -+#define SSC_IER_RXSYN_SIZE 1 -+#define SSC_IER_RXSYN_OFFSET 11 -+#define SSC_IER_TXBUFE_SIZE 1 -+#define SSC_IER_TXBUFE_OFFSET 3 -+#define SSC_IER_TXEMPTY_SIZE 1 -+#define SSC_IER_TXEMPTY_OFFSET 1 -+#define SSC_IER_TXRDY_SIZE 1 -+#define SSC_IER_TXRDY_OFFSET 0 -+#define SSC_IER_TXSYN_SIZE 1 -+#define SSC_IER_TXSYN_OFFSET 10 -+ -+/* SSC Interrupt Disable Register */ -+#define SSC_IDR 0x00000048 -+#define SSC_IDR_CP0_SIZE 1 -+#define SSC_IDR_CP0_OFFSET 8 -+#define SSC_IDR_CP1_SIZE 1 -+#define SSC_IDR_CP1_OFFSET 9 -+#define SSC_IDR_ENDRX_SIZE 1 -+#define SSC_IDR_ENDRX_OFFSET 6 -+#define SSC_IDR_ENDTX_SIZE 1 -+#define SSC_IDR_ENDTX_OFFSET 2 -+#define SSC_IDR_OVRUN_SIZE 1 -+#define SSC_IDR_OVRUN_OFFSET 5 -+#define SSC_IDR_RXBUFF_SIZE 1 -+#define SSC_IDR_RXBUFF_OFFSET 7 -+#define SSC_IDR_RXRDY_SIZE 1 -+#define SSC_IDR_RXRDY_OFFSET 4 -+#define SSC_IDR_RXSYN_SIZE 1 -+#define SSC_IDR_RXSYN_OFFSET 11 -+#define SSC_IDR_TXBUFE_SIZE 1 -+#define SSC_IDR_TXBUFE_OFFSET 3 -+#define SSC_IDR_TXEMPTY_SIZE 1 -+#define SSC_IDR_TXEMPTY_OFFSET 1 -+#define SSC_IDR_TXRDY_SIZE 1 -+#define SSC_IDR_TXRDY_OFFSET 0 -+#define SSC_IDR_TXSYN_SIZE 1 -+#define SSC_IDR_TXSYN_OFFSET 10 -+ -+/* SSC Interrupt Mask Register */ -+#define SSC_IMR 0x0000004c -+#define SSC_IMR_CP0_SIZE 1 -+#define SSC_IMR_CP0_OFFSET 8 -+#define SSC_IMR_CP1_SIZE 1 -+#define SSC_IMR_CP1_OFFSET 9 -+#define SSC_IMR_ENDRX_SIZE 1 -+#define SSC_IMR_ENDRX_OFFSET 6 -+#define SSC_IMR_ENDTX_SIZE 1 -+#define SSC_IMR_ENDTX_OFFSET 2 -+#define SSC_IMR_OVRUN_SIZE 1 -+#define SSC_IMR_OVRUN_OFFSET 5 -+#define SSC_IMR_RXBUFF_SIZE 1 -+#define SSC_IMR_RXBUFF_OFFSET 7 -+#define SSC_IMR_RXRDY_SIZE 1 -+#define SSC_IMR_RXRDY_OFFSET 4 -+#define SSC_IMR_RXSYN_SIZE 1 -+#define SSC_IMR_RXSYN_OFFSET 11 -+#define SSC_IMR_TXBUFE_SIZE 1 -+#define SSC_IMR_TXBUFE_OFFSET 3 -+#define SSC_IMR_TXEMPTY_SIZE 1 -+#define SSC_IMR_TXEMPTY_OFFSET 1 -+#define SSC_IMR_TXRDY_SIZE 1 -+#define SSC_IMR_TXRDY_OFFSET 0 -+#define SSC_IMR_TXSYN_SIZE 1 -+#define SSC_IMR_TXSYN_OFFSET 10 -+ -+/* SSC PDC Receive Pointer Register */ -+#define SSC_PDC_RPR 0x00000100 -+ -+/* SSC PDC Receive Counter Register */ -+#define SSC_PDC_RCR 0x00000104 -+ -+/* SSC PDC Transmit Pointer Register */ -+#define SSC_PDC_TPR 0x00000108 -+ -+/* SSC PDC Receive Next Pointer Register */ -+#define SSC_PDC_RNPR 0x00000110 -+ -+/* SSC PDC Receive Next Counter Register */ -+#define SSC_PDC_RNCR 0x00000114 -+ -+/* SSC PDC Transmit Counter Register */ -+#define SSC_PDC_TCR 0x0000010c -+ -+/* SSC PDC Transmit Next Pointer Register */ -+#define SSC_PDC_TNPR 0x00000118 -+ -+/* SSC PDC Transmit Next Counter Register */ -+#define SSC_PDC_TNCR 0x0000011c -+ -+/* SSC PDC Transfer Control Register */ -+#define SSC_PDC_PTCR 0x00000120 -+#define SSC_PDC_PTCR_RXTDIS_SIZE 1 -+#define SSC_PDC_PTCR_RXTDIS_OFFSET 1 -+#define SSC_PDC_PTCR_RXTEN_SIZE 1 -+#define SSC_PDC_PTCR_RXTEN_OFFSET 0 -+#define SSC_PDC_PTCR_TXTDIS_SIZE 1 -+#define SSC_PDC_PTCR_TXTDIS_OFFSET 9 -+#define SSC_PDC_PTCR_TXTEN_SIZE 1 -+#define SSC_PDC_PTCR_TXTEN_OFFSET 8 -+ -+/* SSC PDC Transfer Status Register */ -+#define SSC_PDC_PTSR 0x00000124 -+#define SSC_PDC_PTSR_RXTEN_SIZE 1 -+#define SSC_PDC_PTSR_RXTEN_OFFSET 0 -+#define SSC_PDC_PTSR_TXTEN_SIZE 1 -+#define SSC_PDC_PTSR_TXTEN_OFFSET 8 -+ -+/* Bit manipulation macros */ -+#define SSC_BIT(name) \ -+ (1 << SSC_##name##_OFFSET) -+#define SSC_BF(name, value) \ -+ (((value) & ((1 << SSC_##name##_SIZE) - 1)) \ -+ << SSC_##name##_OFFSET) -+#define SSC_BFEXT(name, value) \ -+ (((value) >> SSC_##name##_OFFSET) \ -+ & ((1 << SSC_##name##_SIZE) - 1)) -+#define SSC_BFINS(name, value, old) \ -+ (((old) & ~(((1 << SSC_##name##_SIZE) - 1) \ -+ << SSC_##name##_OFFSET)) | SSC_BF(name, value)) -+ -+/* Register access macros */ -+#define ssc_readl(base, reg) __raw_readl(base + SSC_##reg) -+#define ssc_writel(base, reg, value) __raw_writel((value), base + SSC_##reg) -+ -+#endif /* __INCLUDE_ATMEL_SSC_H */ -diff --git a/include/linux/gpio_mouse.h b/include/linux/gpio_mouse.h -new file mode 100644 -index 0000000..44ed7aa ---- /dev/null -+++ b/include/linux/gpio_mouse.h -@@ -0,0 +1,61 @@ -+/* -+ * Driver for simulating a mouse on GPIO lines. -+ * -+ * Copyright (C) 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#ifndef _GPIO_MOUSE_H -+#define _GPIO_MOUSE_H -+ -+#define GPIO_MOUSE_POLARITY_ACT_HIGH 0x00 -+#define GPIO_MOUSE_POLARITY_ACT_LOW 0x01 -+ -+#define GPIO_MOUSE_PIN_UP 0 -+#define GPIO_MOUSE_PIN_DOWN 1 -+#define GPIO_MOUSE_PIN_LEFT 2 -+#define GPIO_MOUSE_PIN_RIGHT 3 -+#define GPIO_MOUSE_PIN_BLEFT 4 -+#define GPIO_MOUSE_PIN_BMIDDLE 5 -+#define GPIO_MOUSE_PIN_BRIGHT 6 -+#define GPIO_MOUSE_PIN_MAX 7 -+ -+/** -+ * struct gpio_mouse_platform_data -+ * @scan_ms: integer in ms specifying the scan periode. -+ * @polarity: Pin polarity, active high or low. -+ * @up: GPIO line for up value. -+ * @down: GPIO line for down value. -+ * @left: GPIO line for left value. -+ * @right: GPIO line for right value. -+ * @bleft: GPIO line for left button. -+ * @bmiddle: GPIO line for middle button. -+ * @bright: GPIO line for right button. -+ * -+ * This struct must be added to the platform_device in the board code. -+ * It is used by the gpio_mouse driver to setup GPIO lines and to -+ * calculate mouse movement. -+ */ -+struct gpio_mouse_platform_data { -+ int scan_ms; -+ int polarity; -+ -+ union { -+ struct { -+ int up; -+ int down; -+ int left; -+ int right; -+ -+ int bleft; -+ int bmiddle; -+ int bright; -+ }; -+ int pins[GPIO_MOUSE_PIN_MAX]; -+ }; -+}; -+ -+#endif /* _GPIO_MOUSE_H */ -diff --git a/include/linux/leds.h b/include/linux/leds.h -index 88afcef..059abfe 100644 ---- a/include/linux/leds.h -+++ b/include/linux/leds.h -@@ -110,4 +110,18 @@ extern void ledtrig_ide_activity(void); - #define ledtrig_ide_activity() do {} while(0) - #endif - -+/* For the leds-gpio driver */ -+struct gpio_led { -+ const char *name; -+ char *default_trigger; -+ unsigned gpio; -+ u8 active_low; -+}; -+ -+struct gpio_led_platform_data { -+ int num_leds; -+ struct gpio_led *leds; -+}; -+ -+ - #endif /* __LINUX_LEDS_H_INCLUDED */ -diff --git a/include/linux/spi/at73c213.h b/include/linux/spi/at73c213.h -new file mode 100644 -index 0000000..0f20a70 ---- /dev/null -+++ b/include/linux/spi/at73c213.h -@@ -0,0 +1,25 @@ -+/* -+ * Board-specific data used to set up AT73c213 audio DAC driver. -+ */ -+ -+#ifndef __LINUX_SPI_AT73C213_H -+#define __LINUX_SPI_AT73C213_H -+ -+/** -+ * at73c213_board_info - how the external DAC is wired to the device. -+ * -+ * @ssc_id: SSC platform_driver id the DAC shall use to stream the audio. -+ * @dac_clk: the external clock used to provide master clock to the DAC. -+ * @shortname: a short discription for the DAC, seen by userspace tools. -+ * -+ * This struct contains the configuration of the hardware connection to the -+ * external DAC. The DAC needs a master clock and a I2S audio stream. It also -+ * provides a name which is used to identify it in userspace tools. -+ */ -+struct at73c213_board_info { -+ int ssc_id; -+ struct clk *dac_clk; -+ char shortname[32]; -+}; -+ -+#endif /* __LINUX_SPI_AT73C213_H */ -diff --git a/include/linux/usb/Kbuild b/include/linux/usb/Kbuild -index 43f160c..6ce42bf 100644 ---- a/include/linux/usb/Kbuild -+++ b/include/linux/usb/Kbuild -@@ -1,5 +1,6 @@ - unifdef-y += audio.h - unifdef-y += cdc.h - unifdef-y += ch9.h -+unifdef-y += gadgetfs.h - unifdef-y += midi.h - -diff --git a/include/linux/usb/gadgetfs.h b/include/linux/usb/gadgetfs.h -new file mode 100644 -index 0000000..e8654c3 ---- /dev/null -+++ b/include/linux/usb/gadgetfs.h -@@ -0,0 +1,81 @@ -+#ifndef __LINUX_USB_GADGETFS_H -+#define __LINUX_USB_GADGETFS_H -+ -+#include <asm/types.h> -+#include <asm/ioctl.h> -+ -+#include <linux/usb/ch9.h> -+ -+/* -+ * Filesystem based user-mode API to USB Gadget controller hardware -+ * -+ * Other than ep0 operations, most things are done by read() and write() -+ * on endpoint files found in one directory. They are configured by -+ * writing descriptors, and then may be used for normal stream style -+ * i/o requests. When ep0 is configured, the device can enumerate; -+ * when it's closed, the device disconnects from usb. Operations on -+ * ep0 require ioctl() operations. -+ * -+ * Configuration and device descriptors get written to /dev/gadget/$CHIP, -+ * which may then be used to read usb_gadgetfs_event structs. The driver -+ * may activate endpoints as it handles SET_CONFIGURATION setup events, -+ * or earlier; writing endpoint descriptors to /dev/gadget/$ENDPOINT -+ * then performing data transfers by reading or writing. -+ */ -+ -+/* -+ * Events are delivered on the ep0 file descriptor, when the user mode driver -+ * reads from this file descriptor after writing the descriptors. Don't -+ * stop polling this descriptor. -+ */ -+ -+enum usb_gadgetfs_event_type { -+ GADGETFS_NOP = 0, -+ -+ GADGETFS_CONNECT, -+ GADGETFS_DISCONNECT, -+ GADGETFS_SETUP, -+ GADGETFS_SUSPEND, -+ // and likely more ! -+}; -+ -+/* NOTE: this structure must stay the same size and layout on -+ * both 32-bit and 64-bit kernels. -+ */ -+struct usb_gadgetfs_event { -+ union { -+ // NOP, DISCONNECT, SUSPEND: nothing -+ // ... some hardware can't report disconnection -+ -+ // CONNECT: just the speed -+ enum usb_device_speed speed; -+ -+ // SETUP: packet; DATA phase i/o precedes next event -+ // (setup.bmRequestType & USB_DIR_IN) flags direction -+ // ... includes SET_CONFIGURATION, SET_INTERFACE -+ struct usb_ctrlrequest setup; -+ } u; -+ enum usb_gadgetfs_event_type type; -+}; -+ -+ -+/* endpoint ioctls */ -+ -+/* IN transfers may be reported to the gadget driver as complete -+ * when the fifo is loaded, before the host reads the data; -+ * OUT transfers may be reported to the host's "client" driver as -+ * complete when they're sitting in the FIFO unread. -+ * THIS returns how many bytes are "unclaimed" in the endpoint fifo -+ * (needed for precise fault handling, when the hardware allows it) -+ */ -+#define GADGETFS_FIFO_STATUS _IO('g',1) -+ -+/* discards any unclaimed data in the fifo. */ -+#define GADGETFS_FIFO_FLUSH _IO('g',2) -+ -+/* resets endpoint halt+toggle; used to implement set_interface. -+ * some hardware (like pxa2xx) can't support this. -+ */ -+#define GADGETFS_CLEAR_HALT _IO('g',3) -+ -+#endif /* __LINUX_USB_GADGETFS_H */ -diff --git a/include/linux/usb_gadgetfs.h b/include/linux/usb_gadgetfs.h -deleted file mode 100644 -index 8086d5a..0000000 ---- a/include/linux/usb_gadgetfs.h -+++ /dev/null -@@ -1,75 +0,0 @@ -- --#include <asm/types.h> --#include <asm/ioctl.h> -- --#include <linux/usb/ch9.h> -- --/* -- * Filesystem based user-mode API to USB Gadget controller hardware -- * -- * Almost everything can be done with only read and write operations, -- * on endpoint files found in one directory. They are configured by -- * writing descriptors, and then may be used for normal stream style -- * i/o requests. When ep0 is configured, the device can enumerate; -- * when it's closed, the device disconnects from usb. -- * -- * Configuration and device descriptors get written to /dev/gadget/$CHIP, -- * which may then be used to read usb_gadgetfs_event structs. The driver -- * may activate endpoints as it handles SET_CONFIGURATION setup events, -- * or earlier; writing endpoint descriptors to /dev/gadget/$ENDPOINT -- * then performing data transfers by reading or writing. -- */ -- --/* -- * Events are delivered on the ep0 file descriptor, if the user mode driver -- * reads from this file descriptor after writing the descriptors. Don't -- * stop polling this descriptor, if you write that kind of driver. -- */ -- --enum usb_gadgetfs_event_type { -- GADGETFS_NOP = 0, -- -- GADGETFS_CONNECT, -- GADGETFS_DISCONNECT, -- GADGETFS_SETUP, -- GADGETFS_SUSPEND, -- // and likely more ! --}; -- --struct usb_gadgetfs_event { -- enum usb_gadgetfs_event_type type; -- union { -- // NOP, DISCONNECT, SUSPEND: nothing -- // ... some hardware can't report disconnection -- -- // CONNECT: just the speed -- enum usb_device_speed speed; -- -- // SETUP: packet; DATA phase i/o precedes next event -- // (setup.bmRequestType & USB_DIR_IN) flags direction -- // ... includes SET_CONFIGURATION, SET_INTERFACE -- struct usb_ctrlrequest setup; -- } u; --}; -- -- --/* endpoint ioctls */ -- --/* IN transfers may be reported to the gadget driver as complete -- * when the fifo is loaded, before the host reads the data; -- * OUT transfers may be reported to the host's "client" driver as -- * complete when they're sitting in the FIFO unread. -- * THIS returns how many bytes are "unclaimed" in the endpoint fifo -- * (needed for precise fault handling, when the hardware allows it) -- */ --#define GADGETFS_FIFO_STATUS _IO('g',1) -- --/* discards any unclaimed data in the fifo. */ --#define GADGETFS_FIFO_FLUSH _IO('g',2) -- --/* resets endpoint halt+toggle; used to implement set_interface. -- * some hardware (like pxa2xx) can't support this. -- */ --#define GADGETFS_CLEAR_HALT _IO('g',3) -- -- -diff --git a/init/do_mounts.c b/init/do_mounts.c -index 46fe407..efc134c 100644 ---- a/init/do_mounts.c -+++ b/init/do_mounts.c -@@ -25,6 +25,7 @@ int __initdata rd_doload; /* 1 = load RAM disk, 0 = don't load */ - int root_mountflags = MS_RDONLY | MS_SILENT; - char * __initdata root_device_name; - static char __initdata saved_root_name[64]; -+int __initdata root_wait; - - dev_t ROOT_DEV; - -@@ -216,6 +217,14 @@ static int __init root_dev_setup(char *line) - - __setup("root=", root_dev_setup); - -+static int __init rootwait_setup(char *line) -+{ -+ root_wait = simple_strtol(line,NULL,0); -+ return 1; -+} -+ -+__setup("rootwait=", rootwait_setup); -+ - static char * __initdata root_mount_data; - static int __init root_data_setup(char *str) - { -@@ -438,11 +447,24 @@ void __init prepare_namespace(void) - root_device_name += 5; - } - -- is_floppy = MAJOR(ROOT_DEV) == FLOPPY_MAJOR; -- - if (initrd_load()) - goto out; - -+ /* wait for any asynchronous scanning to complete */ -+ if ((ROOT_DEV == 0) && root_wait) { -+ printk(KERN_INFO "Waiting for root device %s...\n", -+ saved_root_name); -+ do { -+ while (driver_probe_done() != 0) -+ msleep(100); -+ ROOT_DEV = name_to_dev_t(saved_root_name); -+ if (ROOT_DEV == 0) -+ msleep(100); -+ } while (ROOT_DEV == 0); -+ } -+ -+ is_floppy = MAJOR(ROOT_DEV) == FLOPPY_MAJOR; -+ - if (is_floppy && rd_doload && rd_load_disk(0)) - ROOT_DEV = Root_RAM0; - -diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl -index f7844f6..6631586 100755 ---- a/scripts/checkstack.pl -+++ b/scripts/checkstack.pl -@@ -12,6 +12,7 @@ - # sh64 port by Paul Mundt - # Random bits by Matt Mackall <mpm@selenic.com> - # M68k port by Geert Uytterhoeven and Andreas Schwab -+# AVR32 port by Haavard Skinnemoen <hskinnemoen@atmel.com> - # - # Usage: - # objdump -d vmlinux | stackcheck.pl [arch] -@@ -37,6 +38,10 @@ my (@stack, $re, $x, $xs); - if ($arch eq 'arm') { - #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64 - $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o; -+ } elsif ($arch eq 'avr32') { -+ #8000008a: 20 1d sub sp,4 -+ #80000ca8: fa cd 05 b0 sub sp,sp,1456 -+ $re = qr/^.*sub.*sp.*,([0-9]{1,8})/o; - } elsif ($arch =~ /^i[3456]86$/) { - #c0105234: 81 ec ac 05 00 00 sub $0x5ac,%esp - $re = qr/^.*[as][du][db] \$(0x$x{1,8}),\%esp$/o; -diff --git a/sound/Kconfig b/sound/Kconfig -index 9ea4738..9217739 100644 ---- a/sound/Kconfig -+++ b/sound/Kconfig -@@ -63,9 +63,13 @@ source "sound/aoa/Kconfig" - - source "sound/arm/Kconfig" - -+if SPI -+source "sound/spi/Kconfig" -+endif -+ - source "sound/mips/Kconfig" - --# the following will depend on the order of config. -+# tee following will depend on the order of config. - # here assuming USB is defined before ALSA - source "sound/usb/Kconfig" - -diff --git a/sound/Makefile b/sound/Makefile -index b7c7fb7..581ea5e 100644 ---- a/sound/Makefile -+++ b/sound/Makefile -@@ -5,7 +5,8 @@ obj-$(CONFIG_SOUND) += soundcore.o - obj-$(CONFIG_SOUND_PRIME) += sound_firmware.o - obj-$(CONFIG_SOUND_PRIME) += oss/ - obj-$(CONFIG_DMASOUND) += oss/ --obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ synth/ usb/ sparc/ parisc/ pcmcia/ mips/ soc/ -+obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ synth/ usb/ \ -+ sparc/ spi/ parisc/ pcmcia/ mips/ soc/ - obj-$(CONFIG_SND_AOA) += aoa/ - - # This one must be compilable even if sound is configured out -diff --git a/sound/spi/Kconfig b/sound/spi/Kconfig -new file mode 100644 -index 0000000..0d08c29 ---- /dev/null -+++ b/sound/spi/Kconfig -@@ -0,0 +1,31 @@ -+#SPI drivers -+ -+menu "SPI devices" -+ depends on SND != n -+ -+config SND_AT73C213 -+ tristate "Atmel AT73C213 DAC driver" -+ depends on ATMEL_SSC -+ select SND_PCM -+ help -+ Say Y here if you want to use the Atmel AT73C213 external DAC. This -+ DAC can be found on Atmel development boards. -+ -+ This driver requires the Atmel SSC driver for sound sink, a -+ peripheral found on most AT91 and AVR32 microprocessors. -+ -+ To compile this driver as a module, choose M here: the module will be -+ called snd-at73c213. -+ -+config SND_AT73C213_TARGET_BITRATE -+ int "Target bitrate for AT73C213" -+ depends on SND_AT73C213 -+ default "48000" -+ range 8000 50000 -+ help -+ Sets the target bitrate for the bitrate calculator in the driver. -+ Limited by hardware to be between 8000 Hz and 50000 Hz. -+ -+ Set to 48000 Hz by default. -+ -+endmenu -diff --git a/sound/spi/Makefile b/sound/spi/Makefile -new file mode 100644 -index 0000000..026fb73 ---- /dev/null -+++ b/sound/spi/Makefile -@@ -0,0 +1,5 @@ -+# Makefile for SPI drivers -+ -+snd-at73c213-objs := at73c213.o -+ -+obj-$(CONFIG_SND_AT73C213) += snd-at73c213.o -diff --git a/sound/spi/at73c213.c b/sound/spi/at73c213.c -new file mode 100644 -index 0000000..f514f47 ---- /dev/null -+++ b/sound/spi/at73c213.c -@@ -0,0 +1,1121 @@ -+/* -+ * Driver for AT73C213 16-bit stereo DAC connected to Atmel SSC -+ * -+ * Copyright (C) 2006-2007 Atmel Norway -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published by -+ * the Free Software Foundation. -+ */ -+ -+/*#define DEBUG*/ -+ -+#include <linux/clk.h> -+#include <linux/err.h> -+#include <linux/delay.h> -+#include <linux/device.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/io.h> -+ -+#include <sound/driver.h> -+#include <sound/initval.h> -+#include <sound/control.h> -+#include <sound/core.h> -+#include <sound/pcm.h> -+ -+#include <linux/atmel-ssc.h> -+ -+#include <linux/spi/spi.h> -+#include <linux/spi/at73c213.h> -+ -+#include "at73c213.h" -+ -+#define BITRATE_MIN 8000 /* Hardware limit? */ -+#define BITRATE_TARGET CONFIG_SND_AT73C213_TARGET_BITRATE -+#define BITRATE_MAX 50000 /* Hardware limit. */ -+ -+/* Initial (hardware reset) AT73C213 register values. */ -+static u8 snd_at73c213_original_image[18] = -+{ -+ 0x00, /* 00 - CTRL */ -+ 0x05, /* 01 - LLIG */ -+ 0x05, /* 02 - RLIG */ -+ 0x08, /* 03 - LPMG */ -+ 0x08, /* 04 - RPMG */ -+ 0x00, /* 05 - LLOG */ -+ 0x00, /* 06 - RLOG */ -+ 0x22, /* 07 - OLC */ -+ 0x09, /* 08 - MC */ -+ 0x00, /* 09 - CSFC */ -+ 0x00, /* 0A - MISC */ -+ 0x00, /* 0B - */ -+ 0x00, /* 0C - PRECH */ -+ 0x05, /* 0D - AUXG */ -+ 0x00, /* 0E - */ -+ 0x00, /* 0F - */ -+ 0x00, /* 10 - RST */ -+ 0x00, /* 11 - PA_CTRL */ -+}; -+ -+struct snd_at73c213 { -+ struct snd_card *card; -+ struct snd_pcm *pcm; -+ struct snd_pcm_substream *substream; -+ struct at73c213_board_info *board; -+ int irq; -+ int period; -+ unsigned long bitrate; -+ struct clk *bitclk; -+ struct ssc_device *ssc; -+ struct spi_device *spi; -+ u8 spi_wbuffer[2]; -+ u8 spi_rbuffer[2]; -+ /* Image of the SPI registers in AT73C213. */ -+ u8 reg_image[18]; -+ /* Protect registers against concurrent access. */ -+ spinlock_t lock; -+}; -+ -+#define get_chip(card) ((struct snd_at73c213 *)card->private_data) -+ -+static int -+snd_at73c213_write_reg(struct snd_at73c213 *chip, u8 reg, u8 val) -+{ -+ struct spi_message msg; -+ struct spi_transfer msg_xfer = { -+ .len = 2, -+ .cs_change = 0, -+ }; -+ int retval; -+ -+ spi_message_init(&msg); -+ -+ chip->spi_wbuffer[0] = reg; -+ chip->spi_wbuffer[1] = val; -+ -+ msg_xfer.tx_buf = chip->spi_wbuffer; -+ msg_xfer.rx_buf = chip->spi_rbuffer; -+ spi_message_add_tail(&msg_xfer, &msg); -+ -+ retval = spi_sync(chip->spi, &msg); -+ -+ if (!retval) -+ chip->reg_image[reg] = val; -+ -+ return retval; -+} -+ -+static struct snd_pcm_hardware snd_at73c213_playback_hw = { -+ .info = SNDRV_PCM_INFO_INTERLEAVED | -+ SNDRV_PCM_INFO_BLOCK_TRANSFER, -+ .formats = SNDRV_PCM_FMTBIT_S16_BE, -+ .rates = SNDRV_PCM_RATE_CONTINUOUS, -+ .rate_min = 8000, /* Replaced by chip->bitrate later. */ -+ .rate_max = 50000, /* Replaced by chip->bitrate later. */ -+ .channels_min = 2, -+ .channels_max = 2, -+ .buffer_bytes_max = 64 * 1024 - 1, -+ .period_bytes_min = 512, -+ .period_bytes_max = 64 * 1024 - 1, -+ .periods_min = 4, -+ .periods_max = 1024, -+}; -+ -+/* -+ * Calculate and set bitrate and divisions. -+ */ -+static int snd_at73c213_set_bitrate(struct snd_at73c213 *chip) -+{ -+ unsigned long ssc_rate = clk_get_rate(chip->ssc->clk); -+ unsigned long dac_rate_new, ssc_div, status; -+ unsigned long ssc_div_max, ssc_div_min; -+ int max_tries; -+ -+ /* -+ * We connect two clocks here, picking divisors so the I2S clocks -+ * out data at the same rate the DAC clocks it in ... and as close -+ * as practical to the desired target rate. -+ * -+ * The DAC master clock (MCLK) is programmable, and is either 256 -+ * or (not here) 384 times the I2S output clock (BCLK). -+ */ -+ -+ /* SSC clock / (bitrate * stereo * 16-bit). */ -+ ssc_div = ssc_rate / (BITRATE_TARGET * 2 * 16); -+ ssc_div_min = ssc_rate / (BITRATE_MAX * 2 * 16); -+ ssc_div_max = ssc_rate / (BITRATE_MIN * 2 * 16); -+ max_tries = (ssc_div_max - ssc_div_min) / 2; -+ -+ if (max_tries < 1) -+ max_tries = 1; -+ -+ /* ssc_div must be a power of 2. */ -+ ssc_div = (ssc_div + 1) & ~1UL; -+ -+ if ((ssc_rate / (ssc_div * 2 * 16)) < BITRATE_MIN) { -+ ssc_div -= 2; -+ if ((ssc_rate / (ssc_div * 2 * 16)) > BITRATE_MAX) -+ return -ENXIO; -+ } -+ -+ /* Search for a possible bitrate. */ -+ do { -+ /* SSC clock / (ssc divider * 16-bit * stereo). */ -+ if ((ssc_rate / (ssc_div * 2 * 16)) < BITRATE_MIN) -+ return -ENXIO; -+ -+ /* 256 / (2 * 16) = 8 */ -+ dac_rate_new = 8 * (ssc_rate / ssc_div); -+ -+ status = clk_round_rate(chip->board->dac_clk, dac_rate_new); -+ if (status < 0) -+ return status; -+ -+ /* Ignore difference smaller than 256 Hz. */ -+ if ((status/256) == (dac_rate_new/256)) -+ goto set_rate; -+ -+ ssc_div += 2; -+ } while (--max_tries); -+ -+ /* Not able to find a valid bitrate. */ -+ return -ENXIO; -+ -+set_rate: -+ status = clk_set_rate(chip->board->dac_clk, status); -+ if (status < 0) -+ return status; -+ -+ /* Set divider in SSC device. */ -+ ssc_writel(chip->ssc->regs, CMR, ssc_div/2); -+ -+ /* SSC clock / (ssc divider * 16-bit * stereo). */ -+ chip->bitrate = ssc_rate / (ssc_div * 16 * 2); -+ -+ dev_info(&chip->spi->dev, -+ "at73c213: supported bitrate is %lu (%lu divider)\n", -+ chip->bitrate, ssc_div); -+ -+ return 0; -+} -+ -+static int snd_at73c213_pcm_open(struct snd_pcm_substream *substream) -+{ -+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ -+ snd_at73c213_playback_hw.rate_min = chip->bitrate; -+ snd_at73c213_playback_hw.rate_max = chip->bitrate; -+ runtime->hw = snd_at73c213_playback_hw; -+ chip->substream = substream; -+ -+ return 0; -+} -+ -+static int snd_at73c213_pcm_close(struct snd_pcm_substream *substream) -+{ -+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); -+ chip->substream = NULL; -+ return 0; -+} -+ -+static int snd_at73c213_pcm_hw_params(struct snd_pcm_substream *substream, -+ struct snd_pcm_hw_params *hw_params) -+{ -+ return snd_pcm_lib_malloc_pages(substream, -+ params_buffer_bytes(hw_params)); -+} -+ -+static int snd_at73c213_pcm_hw_free(struct snd_pcm_substream *substream) -+{ -+ return snd_pcm_lib_free_pages(substream); -+} -+ -+static int snd_at73c213_pcm_prepare(struct snd_pcm_substream *substream) -+{ -+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ int block_size; -+ -+ block_size = frames_to_bytes(runtime, runtime->period_size); -+ -+ chip->period = 0; -+ -+ ssc_writel(chip->ssc->regs, PDC_TPR, -+ (long)runtime->dma_addr); -+ ssc_writel(chip->ssc->regs, PDC_TCR, runtime->period_size * 2); -+ ssc_writel(chip->ssc->regs, PDC_TNPR, -+ (long)runtime->dma_addr + block_size); -+ ssc_writel(chip->ssc->regs, PDC_TNCR, runtime->period_size * 2); -+ -+ return 0; -+} -+ -+static int snd_at73c213_pcm_trigger(struct snd_pcm_substream *substream, -+ int cmd) -+{ -+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); -+ int retval = 0; -+ -+ spin_lock(&chip->lock); -+ -+ switch (cmd) { -+ case SNDRV_PCM_TRIGGER_START: -+ ssc_writel(chip->ssc->regs, IER, SSC_BIT(IER_ENDTX)); -+ ssc_writel(chip->ssc->regs, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTEN)); -+ break; -+ case SNDRV_PCM_TRIGGER_STOP: -+ ssc_writel(chip->ssc->regs, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTDIS)); -+ ssc_writel(chip->ssc->regs, IDR, SSC_BIT(IDR_ENDTX)); -+ break; -+ default: -+ dev_dbg(&chip->spi->dev, "spurious command %x\n", cmd); -+ retval = -EINVAL; -+ break; -+ } -+ -+ spin_unlock(&chip->lock); -+ -+ return retval; -+} -+ -+static snd_pcm_uframes_t -+snd_at73c213_pcm_pointer(struct snd_pcm_substream *substream) -+{ -+ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ snd_pcm_uframes_t pos; -+ unsigned long bytes; -+ -+ bytes = ssc_readl(chip->ssc->regs, PDC_TPR) -+ - (unsigned long)runtime->dma_addr; -+ -+ pos = bytes_to_frames(runtime, bytes); -+ if (pos >= runtime->buffer_size) -+ pos -= runtime->buffer_size; -+ -+ return pos; -+} -+ -+static struct snd_pcm_ops at73c213_playback_ops = { -+ .open = snd_at73c213_pcm_open, -+ .close = snd_at73c213_pcm_close, -+ .ioctl = snd_pcm_lib_ioctl, -+ .hw_params = snd_at73c213_pcm_hw_params, -+ .hw_free = snd_at73c213_pcm_hw_free, -+ .prepare = snd_at73c213_pcm_prepare, -+ .trigger = snd_at73c213_pcm_trigger, -+ .pointer = snd_at73c213_pcm_pointer, -+}; -+ -+static void snd_at73c213_pcm_free(struct snd_pcm *pcm) -+{ -+ struct snd_at73c213 *chip = snd_pcm_chip(pcm); -+ if (chip->pcm) { -+ snd_pcm_lib_preallocate_free_for_all(chip->pcm); -+ chip->pcm = NULL; -+ } -+} -+ -+static int __devinit snd_at73c213_pcm_new(struct snd_at73c213 *chip, int device) -+{ -+ struct snd_pcm *pcm; -+ int retval; -+ -+ retval = snd_pcm_new(chip->card, chip->card->shortname, -+ device, 1, 0, &pcm); -+ if (retval < 0) -+ goto out; -+ -+ pcm->private_data = chip; -+ pcm->private_free = snd_at73c213_pcm_free; -+ pcm->info_flags = SNDRV_PCM_INFO_BLOCK_TRANSFER; -+ strcpy(pcm->name, "at73c213"); -+ chip->pcm = pcm; -+ -+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &at73c213_playback_ops); -+ -+ retval = snd_pcm_lib_preallocate_pages_for_all(chip->pcm, -+ SNDRV_DMA_TYPE_DEV, &chip->ssc->pdev->dev, -+ 64 * 1024, 64 * 1024); -+out: -+ return retval; -+} -+ -+static irqreturn_t snd_at73c213_interrupt(int irq, void *dev_id) -+{ -+ struct snd_at73c213 *chip = dev_id; -+ struct snd_pcm_runtime *runtime = chip->substream->runtime; -+ u32 status; -+ int offset; -+ int block_size; -+ int next_period; -+ int retval = IRQ_NONE; -+ -+ spin_lock(&chip->lock); -+ -+ block_size = frames_to_bytes(runtime, runtime->period_size); -+ status = ssc_readl(chip->ssc->regs, IMR); -+ -+ if (status & SSC_BIT(IMR_ENDTX)) { -+ chip->period++; -+ if (chip->period == runtime->periods) -+ chip->period = 0; -+ next_period = chip->period + 1; -+ if (next_period == runtime->periods) -+ next_period = 0; -+ -+ offset = block_size * next_period; -+ -+ ssc_writel(chip->ssc->regs, PDC_TNPR, -+ (long)runtime->dma_addr + offset); -+ ssc_writel(chip->ssc->regs, PDC_TNCR, runtime->period_size * 2); -+ retval = IRQ_HANDLED; -+ } -+ -+ ssc_readl(chip->ssc->regs, IMR); -+ spin_unlock(&chip->lock); -+ -+ if (status & SSC_BIT(IMR_ENDTX)) -+ snd_pcm_period_elapsed(chip->substream); -+ -+ return retval; -+} -+ -+/* -+ * Mixer functions. -+ */ -+static int snd_at73c213_mono_get(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ int reg = kcontrol->private_value & 0xff; -+ int shift = (kcontrol->private_value >> 8) & 0xff; -+ int mask = (kcontrol->private_value >> 16) & 0xff; -+ int invert = (kcontrol->private_value >> 24) & 0xff; -+ -+ spin_lock_irq(&chip->lock); -+ -+ ucontrol->value.integer.value[0] = (chip->reg_image[reg] >> shift) & mask; -+ -+ if (invert) -+ ucontrol->value.integer.value[0] = -+ (mask - ucontrol->value.integer.value[0]); -+ -+ spin_unlock_irq(&chip->lock); -+ -+ return 0; -+} -+ -+static int snd_at73c213_mono_put(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ int reg = kcontrol->private_value & 0xff; -+ int shift = (kcontrol->private_value >> 8) & 0xff; -+ int mask = (kcontrol->private_value >> 16) & 0xff; -+ int invert = (kcontrol->private_value >> 24) & 0xff; -+ int change, retval; -+ unsigned short val; -+ -+ val = (ucontrol->value.integer.value[0] & mask); -+ if (invert) -+ val = mask - val; -+ val <<= shift; -+ -+ spin_lock_irq(&chip->lock); -+ -+ val = (chip->reg_image[reg] & ~(mask << shift)) | val; -+ change = val != chip->reg_image[reg]; -+ retval = snd_at73c213_write_reg(chip, reg, val); -+ -+ spin_unlock_irq(&chip->lock); -+ -+ if (retval) -+ return retval; -+ -+ return change; -+} -+ -+static int snd_at73c213_stereo_info(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ int mask = (kcontrol->private_value >> 24) & 0xff; -+ -+ if (mask == 1) -+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; -+ else -+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; -+ -+ uinfo->count = 2; -+ uinfo->value.integer.min = 0; -+ uinfo->value.integer.max = mask; -+ -+ return 0; -+} -+ -+static int snd_at73c213_stereo_get(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ int left_reg = kcontrol->private_value & 0xff; -+ int right_reg = (kcontrol->private_value >> 8) & 0xff; -+ int shift_left = (kcontrol->private_value >> 16) & 0x07; -+ int shift_right = (kcontrol->private_value >> 19) & 0x07; -+ int mask = (kcontrol->private_value >> 24) & 0xff; -+ int invert = (kcontrol->private_value >> 22) & 1; -+ -+ spin_lock_irq(&chip->lock); -+ -+ ucontrol->value.integer.value[0] = -+ (chip->reg_image[left_reg] >> shift_left) & mask; -+ ucontrol->value.integer.value[1] = -+ (chip->reg_image[right_reg] >> shift_right) & mask; -+ -+ if (invert) { -+ ucontrol->value.integer.value[0] = -+ (mask - ucontrol->value.integer.value[0]); -+ ucontrol->value.integer.value[1] = -+ (mask - ucontrol->value.integer.value[1]); -+ } -+ -+ spin_unlock_irq(&chip->lock); -+ -+ return 0; -+} -+ -+static int snd_at73c213_stereo_put(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ int left_reg = kcontrol->private_value & 0xff; -+ int right_reg = (kcontrol->private_value >> 8) & 0xff; -+ int shift_left = (kcontrol->private_value >> 16) & 0x07; -+ int shift_right = (kcontrol->private_value >> 19) & 0x07; -+ int mask = (kcontrol->private_value >> 24) & 0xff; -+ int invert = (kcontrol->private_value >> 22) & 1; -+ int change, retval; -+ unsigned short val1, val2; -+ -+ val1 = ucontrol->value.integer.value[0] & mask; -+ val2 = ucontrol->value.integer.value[1] & mask; -+ if (invert) { -+ val1 = mask - val1; -+ val2 = mask - val2; -+ } -+ val1 <<= shift_left; -+ val2 <<= shift_right; -+ -+ spin_lock_irq(&chip->lock); -+ -+ val1 = (chip->reg_image[left_reg] & ~(mask << shift_left)) | val1; -+ val2 = (chip->reg_image[right_reg] & ~(mask << shift_right)) | val2; -+ change = val1 != chip->reg_image[left_reg] -+ || val2 != chip->reg_image[right_reg]; -+ retval = snd_at73c213_write_reg(chip, left_reg, val1); -+ if (retval) { -+ spin_unlock_irq(&chip->lock); -+ goto out; -+ } -+ retval = snd_at73c213_write_reg(chip, right_reg, val2); -+ if (retval) { -+ spin_unlock_irq(&chip->lock); -+ goto out; -+ } -+ -+ spin_unlock_irq(&chip->lock); -+ -+ return change; -+ -+out: -+ return retval; -+} -+ -+static int snd_at73c213_mono_switch_info(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; -+ uinfo->count = 1; -+ uinfo->value.integer.min = 0; -+ uinfo->value.integer.max = 1; -+ -+ return 0; -+} -+ -+static int snd_at73c213_mono_switch_get(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ int reg = kcontrol->private_value & 0xff; -+ int shift = (kcontrol->private_value >> 8) & 0xff; -+ int invert = (kcontrol->private_value >> 24) & 0xff; -+ -+ spin_lock_irq(&chip->lock); -+ -+ ucontrol->value.integer.value[0] = (chip->reg_image[reg] >> shift) & 0x01; -+ -+ if (invert) -+ ucontrol->value.integer.value[0] = -+ (0x01 - ucontrol->value.integer.value[0]); -+ -+ spin_unlock_irq(&chip->lock); -+ -+ return 0; -+} -+ -+static int snd_at73c213_mono_switch_put(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); -+ int reg = kcontrol->private_value & 0xff; -+ int shift = (kcontrol->private_value >> 8) & 0xff; -+ int mask = (kcontrol->private_value >> 16) & 0xff; -+ int invert = (kcontrol->private_value >> 24) & 0xff; -+ int change, retval; -+ unsigned short val; -+ -+ if (ucontrol->value.integer.value[0]) -+ val = mask; -+ else -+ val = 0; -+ -+ if (invert) -+ val = mask - val; -+ val <<= shift; -+ -+ spin_lock_irq(&chip->lock); -+ -+ val |= (chip->reg_image[reg] & ~(mask << shift)); -+ change = val != chip->reg_image[reg]; -+ -+ retval = snd_at73c213_write_reg(chip, reg, val); -+ -+ spin_unlock_irq(&chip->lock); -+ -+ if (retval) -+ return retval; -+ -+ return change; -+} -+ -+static int snd_at73c213_pa_volume_info(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; -+ uinfo->count = 1; -+ uinfo->value.integer.min = 0; -+ uinfo->value.integer.max = ((kcontrol->private_value >> 16) & 0xff) - 1; -+ -+ return 0; -+} -+ -+static int snd_at73c213_line_capture_volume_info( -+ struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; -+ uinfo->count = 2; -+ /* When inverted will give values 0x10001 => 0. */ -+ uinfo->value.integer.min = 14; -+ uinfo->value.integer.max = 31; -+ -+ return 0; -+} -+ -+static int snd_at73c213_aux_capture_volume_info( -+ struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_info *uinfo) -+{ -+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; -+ uinfo->count = 1; -+ /* When inverted will give values 0x10001 => 0. */ -+ uinfo->value.integer.min = 14; -+ uinfo->value.integer.max = 31; -+ -+ return 0; -+} -+ -+#define AT73C213_MONO_SWITCH(xname, xindex, reg, shift, mask, invert) \ -+{ \ -+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ -+ .name = xname, \ -+ .index = xindex, \ -+ .info = snd_at73c213_mono_switch_info, \ -+ .get = snd_at73c213_mono_switch_get, \ -+ .put = snd_at73c213_mono_switch_put, \ -+ .private_value = (reg | (shift << 8) | (mask << 16) | (invert << 24)) \ -+} -+ -+#define AT73C213_STEREO(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ -+{ \ -+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ -+ .name = xname, \ -+ .index = xindex, \ -+ .info = snd_at73c213_stereo_info, \ -+ .get = snd_at73c213_stereo_get, \ -+ .put = snd_at73c213_stereo_put, \ -+ .private_value = (left_reg | (right_reg << 8) \ -+ | (shift_left << 16) | (shift_right << 19) \ -+ | (mask << 24) | (invert << 22)) \ -+} -+ -+static struct snd_kcontrol_new snd_at73c213_controls[] __devinitdata = { -+AT73C213_STEREO("Master Playback Volume", 0, DAC_LMPG, DAC_RMPG, 0, 0, 0x1f, 1), -+AT73C213_STEREO("Master Playback Switch", 0, DAC_LMPG, DAC_RMPG, 5, 5, 1, 1), -+AT73C213_STEREO("PCM Playback Volume", 0, DAC_LLOG, DAC_RLOG, 0, 0, 0x1f, 1), -+AT73C213_STEREO("PCM Playback Switch", 0, DAC_LLOG, DAC_RLOG, 5, 5, 1, 1), -+AT73C213_MONO_SWITCH("Mono PA Playback Switch", 0, DAC_CTRL, DAC_CTRL_ONPADRV, 0x01, 0), -+{ -+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, -+ .name = "PA Playback Volume", -+ .index = 0, -+ .info = snd_at73c213_pa_volume_info, -+ .get = snd_at73c213_mono_get, -+ .put = snd_at73c213_mono_put, -+ .private_value = PA_CTRL | (PA_CTRL_APAGAIN << 8) | (0x0f << 16) | (1 << 24), -+}, -+AT73C213_MONO_SWITCH("PA High Gain Playback Switch", 0, PA_CTRL, PA_CTRL_APALP, 0x01, 1), -+AT73C213_MONO_SWITCH("PA Playback Switch", 0, PA_CTRL, PA_CTRL_APAON, 0x01, 0), -+{ -+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, -+ .name = "Aux Capture Volume", -+ .index = 0, -+ .info = snd_at73c213_aux_capture_volume_info, -+ .get = snd_at73c213_mono_get, -+ .put = snd_at73c213_mono_put, -+ .private_value = DAC_AUXG | (0 << 8) | (0x1f << 16) | (1 << 24), -+}, -+AT73C213_MONO_SWITCH("Aux Capture Switch", 0, DAC_CTRL, DAC_CTRL_ONAUXIN, 0x01, 0), -+{ -+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, -+ .name = "Line Capture Volume", -+ .index = 0, -+ .info = snd_at73c213_line_capture_volume_info, -+ .get = snd_at73c213_stereo_get, -+ .put = snd_at73c213_stereo_put, -+ .private_value = DAC_LLIG | (DAC_RLIG << 8) | (0 << 16) | (0 << 19) -+ | (0x1f << 24) | (1 << 22), -+}, -+AT73C213_MONO_SWITCH("Line Capture Switch", 0, DAC_CTRL, 0, 0x03, 0), -+}; -+ -+static int __devinit snd_at73c213_mixer(struct snd_at73c213 *chip) -+{ -+ struct snd_card *card; -+ int errval, idx; -+ -+ if (chip == NULL || chip->pcm == NULL) -+ return -EINVAL; -+ -+ card = chip->card; -+ -+ strcpy(card->mixername, chip->pcm->name); -+ -+ for (idx = 0; idx < ARRAY_SIZE(snd_at73c213_controls); idx++) { -+ errval = snd_ctl_add(card, -+ snd_ctl_new1(&snd_at73c213_controls[idx], -+ chip)); -+ if (errval < 0) -+ goto cleanup; -+ } -+ -+ return 0; -+ -+cleanup: -+ for (idx = 1; idx < ARRAY_SIZE(snd_at73c213_controls) + 1; idx++) { -+ struct snd_kcontrol *kctl; -+ kctl = snd_ctl_find_numid(card, idx); -+ if (kctl) -+ snd_ctl_remove(card, kctl); -+ } -+ return errval; -+} -+ -+/* -+ * Device functions -+ */ -+static int snd_at73c213_ssc_init(struct snd_at73c213 *chip) -+{ -+ /* -+ * Continuous clock output. -+ * Starts on falling TF. -+ * Delay 1 cycle (1 bit). -+ * Periode is 16 bit (16 - 1). -+ */ -+ ssc_writel(chip->ssc->regs, TCMR, -+ SSC_BF(TCMR_CKO, 1) -+ | SSC_BF(TCMR_START, 4) -+ | SSC_BF(TCMR_STTDLY, 1) -+ | SSC_BF(TCMR_PERIOD, 16 - 1)); -+ /* -+ * Data length is 16 bit (16 - 1). -+ * Transmit MSB first. -+ * Transmit 2 words each transfer. -+ * Frame sync length is 16 bit (16 - 1). -+ * Frame starts on negative pulse. -+ */ -+ ssc_writel(chip->ssc->regs, TFMR, -+ SSC_BF(TFMR_DATLEN, 16 - 1) -+ | SSC_BIT(TFMR_MSBF) -+ | SSC_BF(TFMR_DATNB, 1) -+ | SSC_BF(TFMR_FSLEN, 16 - 1) -+ | SSC_BF(TFMR_FSOS, 1)); -+ -+ return 0; -+} -+ -+static int snd_at73c213_chip_init(struct snd_at73c213 *chip) -+{ -+ int retval; -+ unsigned char dac_ctrl = 0; -+ -+ retval = snd_at73c213_set_bitrate(chip); -+ if (retval) -+ goto out; -+ -+ /* Enable DAC master clock. */ -+ clk_enable(chip->board->dac_clk); -+ -+ /* Initialize at73c213 on SPI bus. */ -+ retval = snd_at73c213_write_reg(chip, DAC_RST, 0x04); -+ if (retval) -+ goto out_clk; -+ msleep(1); -+ retval = snd_at73c213_write_reg(chip, DAC_RST, 0x03); -+ if (retval) -+ goto out_clk; -+ -+ /* Precharge everything. */ -+ retval = snd_at73c213_write_reg(chip, DAC_PRECH, 0xff); -+ if (retval) -+ goto out_clk; -+ retval = snd_at73c213_write_reg(chip, PA_CTRL, (1<<PA_CTRL_APAPRECH)); -+ if (retval) -+ goto out_clk; -+ retval = snd_at73c213_write_reg(chip, DAC_CTRL, -+ (1<<DAC_CTRL_ONLNOL) | (1<<DAC_CTRL_ONLNOR)); -+ if (retval) -+ goto out_clk; -+ -+ msleep(50); -+ -+ /* Stop precharging PA. */ -+ retval = snd_at73c213_write_reg(chip, PA_CTRL, -+ (1<<PA_CTRL_APALP) | 0x0f); -+ if (retval) -+ goto out_clk; -+ -+ msleep(450); -+ -+ /* Stop precharging DAC, turn on master power. */ -+ retval = snd_at73c213_write_reg(chip, DAC_PRECH, (1<<DAC_PRECH_ONMSTR)); -+ if (retval) -+ goto out_clk; -+ -+ msleep(1); -+ -+ /* Turn on DAC. */ -+ dac_ctrl = (1<<DAC_CTRL_ONDACL) | (1<<DAC_CTRL_ONDACR) -+ | (1<<DAC_CTRL_ONLNOL) | (1<<DAC_CTRL_ONLNOR); -+ -+ retval = snd_at73c213_write_reg(chip, DAC_CTRL, dac_ctrl); -+ if (retval) -+ goto out_clk; -+ -+ /* Mute sound. */ -+ retval = snd_at73c213_write_reg(chip, DAC_LMPG, 0x3f); -+ if (retval) -+ goto out_clk; -+ retval = snd_at73c213_write_reg(chip, DAC_RMPG, 0x3f); -+ if (retval) -+ goto out_clk; -+ retval = snd_at73c213_write_reg(chip, DAC_LLOG, 0x3f); -+ if (retval) -+ goto out_clk; -+ retval = snd_at73c213_write_reg(chip, DAC_RLOG, 0x3f); -+ if (retval) -+ goto out_clk; -+ retval = snd_at73c213_write_reg(chip, DAC_LLIG, 0x11); -+ if (retval) -+ goto out_clk; -+ retval = snd_at73c213_write_reg(chip, DAC_RLIG, 0x11); -+ if (retval) -+ goto out_clk; -+ retval = snd_at73c213_write_reg(chip, DAC_AUXG, 0x11); -+ if (retval) -+ goto out_clk; -+ -+ /* Enable I2S device, i.e. clock output. */ -+ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN)); -+ -+ goto out; -+ -+out_clk: -+ clk_disable(chip->board->dac_clk); -+out: -+ return retval; -+} -+ -+static int snd_at73c213_dev_free(struct snd_device *device) -+{ -+ struct snd_at73c213 *chip = device->device_data; -+ -+ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS)); -+ if (chip->irq >= 0) { -+ free_irq(chip->irq, chip); -+ chip->irq = -1; -+ } -+ -+ return 0; -+} -+ -+static int __devinit snd_at73c213_dev_init(struct snd_card *card, -+ struct spi_device *spi) -+{ -+ static struct snd_device_ops ops = { -+ .dev_free = snd_at73c213_dev_free, -+ }; -+ struct snd_at73c213 *chip = get_chip(card); -+ int irq, retval; -+ -+ irq = chip->ssc->irq; -+ if (irq < 0) -+ return irq; -+ -+ spin_lock_init(&chip->lock); -+ chip->card = card; -+ chip->irq = -1; -+ -+ retval = request_irq(irq, snd_at73c213_interrupt, 0, "at73c213", chip); -+ if (retval) { -+ dev_dbg(&chip->spi->dev, "unable to request irq %d\n", irq); -+ goto out; -+ } -+ chip->irq = irq; -+ -+ memcpy(&chip->reg_image, &snd_at73c213_original_image, -+ sizeof(snd_at73c213_original_image)); -+ -+ retval = snd_at73c213_ssc_init(chip); -+ if (retval) -+ goto out_irq; -+ -+ retval = snd_at73c213_chip_init(chip); -+ if (retval) -+ goto out_irq; -+ -+ retval = snd_at73c213_pcm_new(chip, 0); -+ if (retval) -+ goto out_irq; -+ -+ retval = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); -+ if (retval) -+ goto out_irq; -+ -+ retval = snd_at73c213_mixer(chip); -+ if (retval) -+ goto out_snd_dev; -+ -+ snd_card_set_dev(card, &spi->dev); -+ -+ goto out; -+ -+out_snd_dev: -+ snd_device_free(card, chip); -+out_irq: -+ free_irq(chip->irq, chip); -+ chip->irq = -1; -+out: -+ return retval; -+} -+ -+static int snd_at73c213_probe(struct spi_device *spi) -+{ -+ struct snd_card *card; -+ struct snd_at73c213 *chip; -+ struct at73c213_board_info *board; -+ int retval; -+ char id[16]; -+ -+ board = spi->dev.platform_data; -+ if (!board) { -+ dev_dbg(&spi->dev, "no platform_data\n"); -+ return -ENXIO; -+ } -+ -+ if (!board->dac_clk) { -+ dev_dbg(&spi->dev, "no DAC clk\n"); -+ return -ENXIO; -+ } -+ -+ if (IS_ERR(board->dac_clk)) { -+ dev_dbg(&spi->dev, "no DAC clk\n"); -+ return PTR_ERR(board->dac_clk); -+ } -+ -+ retval = -ENOMEM; -+ -+ /* Allocate "card" using some unused identifiers. */ -+ snprintf(id, sizeof id, "at73c213_%d", board->ssc_id); -+ card = snd_card_new(-1, id, THIS_MODULE, sizeof(struct snd_at73c213)); -+ if (!card) -+ goto out; -+ -+ chip = card->private_data; -+ chip->spi = spi; -+ chip->board = board; -+ -+ chip->ssc = ssc_request(board->ssc_id); -+ if (IS_ERR(chip->ssc)) { -+ dev_dbg(&spi->dev, "could not get ssc%d device\n", -+ board->ssc_id); -+ retval = PTR_ERR(chip->ssc); -+ goto out_card; -+ } -+ -+ retval = snd_at73c213_dev_init(card, spi); -+ if (retval) -+ goto out_ssc; -+ -+ strcpy(card->driver, "at73c213"); -+ strcpy(card->shortname, board->shortname); -+ sprintf(card->longname, "%s on irq %d", card->shortname, chip->irq); -+ -+ retval = snd_card_register(card); -+ if (retval) -+ goto out_ssc; -+ -+ dev_set_drvdata(&spi->dev, card); -+ -+ goto out; -+ -+out_ssc: -+ ssc_free(chip->ssc); -+out_card: -+ snd_card_free(card); -+out: -+ return retval; -+} -+ -+static int __devexit snd_at73c213_remove(struct spi_device *spi) -+{ -+ struct snd_card *card = dev_get_drvdata(&spi->dev); -+ struct snd_at73c213 *chip = card->private_data; -+ int retval; -+ -+ /* Stop playback. */ -+ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS)); -+ -+ /* Mute sound. */ -+ retval = snd_at73c213_write_reg(chip, DAC_LMPG, 0x3f); -+ if (retval) -+ goto out; -+ retval = snd_at73c213_write_reg(chip, DAC_RMPG, 0x3f); -+ if (retval) -+ goto out; -+ retval = snd_at73c213_write_reg(chip, DAC_LLOG, 0x3f); -+ if (retval) -+ goto out; -+ retval = snd_at73c213_write_reg(chip, DAC_RLOG, 0x3f); -+ if (retval) -+ goto out; -+ retval = snd_at73c213_write_reg(chip, DAC_LLIG, 0x11); -+ if (retval) -+ goto out; -+ retval = snd_at73c213_write_reg(chip, DAC_RLIG, 0x11); -+ if (retval) -+ goto out; -+ retval = snd_at73c213_write_reg(chip, DAC_AUXG, 0x11); -+ if (retval) -+ goto out; -+ -+ /* Turn off PA. */ -+ retval = snd_at73c213_write_reg(chip, PA_CTRL, (chip->reg_image[PA_CTRL]|0x0f)); -+ if (retval) -+ goto out; -+ msleep(10); -+ retval = snd_at73c213_write_reg(chip, PA_CTRL, (1<<PA_CTRL_APALP)|0x0f); -+ if (retval) -+ goto out; -+ -+ /* Turn off external DAC. */ -+ retval = snd_at73c213_write_reg(chip, DAC_CTRL, 0x0c); -+ if (retval) -+ goto out; -+ msleep(2); -+ retval = snd_at73c213_write_reg(chip, DAC_CTRL, 0x00); -+ if (retval) -+ goto out; -+ -+ /* Turn off master power. */ -+ retval = snd_at73c213_write_reg(chip, DAC_PRECH, 0x00); -+ if (retval) -+ goto out; -+ -+out: -+ /* Stop DAC master clock. */ -+ clk_disable(chip->board->dac_clk); -+ -+ ssc_free(chip->ssc); -+ snd_card_free(card); -+ dev_set_drvdata(&spi->dev, NULL); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+static int snd_at73c213_suspend(struct spi_device *spi, pm_message_t msg) -+{ -+ struct snd_card *card = dev_get_drvdata(&spi->dev); -+ struct snd_at73c213 *chip = card->private_data; -+ -+ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS)); -+ clk_disable(chip->board->dac_clk); -+ -+ return 0; -+} -+ -+static int snd_at73c213_resume(struct spi_device *spi) -+{ -+ struct snd_card *card = dev_get_drvdata(&spi->dev); -+ struct snd_at73c213 *chip = card->private_data; -+ -+ clk_enable(chip->board->dac_clk); -+ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN)); -+ -+ return 0; -+} -+#else -+#define snd_at73c213_suspend NULL -+#define snd_at73c213_resume NULL -+#endif -+ -+static struct spi_driver at73c213_driver = { -+ .driver = { -+ .name = "at73c213", -+ }, -+ .probe = snd_at73c213_probe, -+ .suspend = snd_at73c213_suspend, -+ .resume = snd_at73c213_resume, -+ .remove = __devexit_p(snd_at73c213_remove), -+}; -+ -+static int __init at73c213_init(void) -+{ -+ return spi_register_driver(&at73c213_driver); -+} -+module_init(at73c213_init); -+ -+static void __exit at73c213_exit(void) -+{ -+ spi_unregister_driver(&at73c213_driver); -+} -+module_exit(at73c213_exit); -+ -+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); -+MODULE_DESCRIPTION("Sound driver for AT73C213 with Atmel SSC"); -+MODULE_LICENSE("GPL"); -diff --git a/sound/spi/at73c213.h b/sound/spi/at73c213.h -new file mode 100644 -index 0000000..fd8b372 ---- /dev/null -+++ b/sound/spi/at73c213.h -@@ -0,0 +1,119 @@ -+/* -+ * Driver for the AT73C213 16-bit stereo DAC on Atmel ATSTK1000 -+ * -+ * Copyright (C) 2006 - 2007 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License as -+ * published by the Free Software Foundation; either version 2 of the -+ * License, or (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -+ * 02111-1307, USA. -+ * -+ * The full GNU General Public License is included in this -+ * distribution in the file called COPYING. -+ */ -+ -+#ifndef _SND_AT73C213_H -+#define _SND_AT73C213_H -+ -+/* DAC control register */ -+#define DAC_CTRL 0x00 -+#define DAC_CTRL_ONPADRV 7 -+#define DAC_CTRL_ONAUXIN 6 -+#define DAC_CTRL_ONDACR 5 -+#define DAC_CTRL_ONDACL 4 -+#define DAC_CTRL_ONLNOR 3 -+#define DAC_CTRL_ONLNOL 2 -+#define DAC_CTRL_ONLNIR 1 -+#define DAC_CTRL_ONLNIL 0 -+ -+/* DAC left line in gain register */ -+#define DAC_LLIG 0x01 -+#define DAC_LLIG_LLIG 0 -+ -+/* DAC right line in gain register */ -+#define DAC_RLIG 0x02 -+#define DAC_RLIG_RLIG 0 -+ -+/* DAC Left Master Playback Gain Register */ -+#define DAC_LMPG 0x03 -+#define DAC_LMPG_LMPG 0 -+ -+/* DAC Right Master Playback Gain Register */ -+#define DAC_RMPG 0x04 -+#define DAC_RMPG_RMPG 0 -+ -+/* DAC Left Line Out Gain Register */ -+#define DAC_LLOG 0x05 -+#define DAC_LLOG_LLOG 0 -+ -+/* DAC Right Line Out Gain Register */ -+#define DAC_RLOG 0x06 -+#define DAC_RLOG_RLOG 0 -+ -+/* DAC Output Level Control Register */ -+#define DAC_OLC 0x07 -+#define DAC_OLC_RSHORT 7 -+#define DAC_OLC_ROLC 4 -+#define DAC_OLC_LSHORT 3 -+#define DAC_OLC_LOLC 0 -+ -+/* DAC Mixer Control Register */ -+#define DAC_MC 0x08 -+#define DAC_MC_INVR 5 -+#define DAC_MC_INVL 4 -+#define DAC_MC_RMSMIN2 3 -+#define DAC_MC_RMSMIN1 2 -+#define DAC_MC_LMSMIN2 1 -+#define DAC_MC_LMSMIN1 0 -+ -+/* DAC Clock and Sampling Frequency Control Register */ -+#define DAC_CSFC 0x09 -+#define DAC_CSFC_OVRSEL 4 -+ -+/* DAC Miscellaneous Register */ -+#define DAC_MISC 0x0A -+#define DAC_MISC_VCMCAPSEL 7 -+#define DAC_MISC_DINTSEL 4 -+#define DAC_MISC_DITHEN 3 -+#define DAC_MISC_DEEMPEN 2 -+#define DAC_MISC_NBITS 0 -+ -+/* DAC Precharge Control Register */ -+#define DAC_PRECH 0x0C -+#define DAC_PRECH_PRCHGPDRV 7 -+#define DAC_PRECH_PRCHGAUX1 6 -+#define DAC_PRECH_PRCHGLNOR 5 -+#define DAC_PRECH_PRCHGLNOL 4 -+#define DAC_PRECH_PRCHGLNIR 3 -+#define DAC_PRECH_PRCHGLNIL 2 -+#define DAC_PRECH_PRCHG 1 -+#define DAC_PRECH_ONMSTR 0 -+ -+/* DAC Auxiliary Input Gain Control Register */ -+#define DAC_AUXG 0x0D -+#define DAC_AUXG_AUXG 0 -+ -+/* DAC Reset Register */ -+#define DAC_RST 0x10 -+#define DAC_RST_RESMASK 2 -+#define DAC_RST_RESFILZ 1 -+#define DAC_RST_RSTZ 0 -+ -+/* Power Amplifier Control Register */ -+#define PA_CTRL 0x11 -+#define PA_CTRL_APAON 6 -+#define PA_CTRL_APAPRECH 5 -+#define PA_CTRL_APALP 4 -+#define PA_CTRL_APAGAIN 0 -+ -+#endif /* _SND_AT73C213_H */ |