diff options
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.30/arch/arm/mach-s3c2442/mach-gta02.c')
| -rw-r--r-- | target/linux/s3c24xx/files-2.6.30/arch/arm/mach-s3c2442/mach-gta02.c | 1806 |
1 files changed, 1806 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/files-2.6.30/arch/arm/mach-s3c2442/mach-gta02.c b/target/linux/s3c24xx/files-2.6.30/arch/arm/mach-s3c2442/mach-gta02.c new file mode 100644 index 000000000..49ab6c43b --- /dev/null +++ b/target/linux/s3c24xx/files-2.6.30/arch/arm/mach-s3c2442/mach-gta02.c @@ -0,0 +1,1806 @@ +/* + * linux/arch/arm/mach-s3c2442/mach-gta02.c + * + * S3C2442 Machine Support for the Openmoko Freerunner (GTA02) + * + * Copyright (C) 2006-2007 by Openmoko, Inc. + * Author: Harald Welte <laforge@openmoko.org> + * All rights reserved. + * + * 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 + * + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/delay.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/workqueue.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/spi/spi.h> +#include <linux/spi/spi_gpio.h> +#include <linux/spi/spi_bitbang.h> +#include <linux/mmc/host.h> +#include <linux/leds.h> +#include <linux/gpio_keys.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> + +#include <linux/i2c.h> +#include <linux/backlight.h> +#include <linux/regulator/machine.h> + +#include <linux/mfd/pcf50633/core.h> +#include <linux/mfd/pcf50633/mbc.h> +#include <linux/mfd/pcf50633/adc.h> +#include <linux/mfd/pcf50633/gpio.h> +#include <linux/mfd/pcf50633/pmic.h> + +#include <linux/lis302dl.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/io.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <mach/regs-irq.h> +#include <mach/regs-gpio.h> +#include <mach/regs-gpioj.h> +#include <mach/fb.h> +#include <mach/mci.h> +#include <mach/ts.h> +#include <mach/spi.h> +#include <mach/spi-gpio.h> +#include <mach/regs-mem.h> +#include <plat/pwm.h> +#include <mach/cpu.h> + +#include <mach/gta02.h> + +#include <plat/regs-serial.h> +#include <plat/nand.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/pm.h> +#include <plat/udc.h> +#include <plat/iic.h> +#include <plat/usb-control.h> +#include <plat/regs-timer.h> +#include <plat/gpio-core.h> + +#include <mach/gta02-pm-gsm.h> +#include <mach/gta02-pm-gps.h> +#include <mach/gta02-pm-wlan.h> + +#include <linux/jbt6k74.h> +#include <linux/glamofb.h> +#include <linux/mfd/glamo.h> + +#include <linux/hdq.h> +#include <linux/bq27000_battery.h> + +#include <linux/touchscreen/ts_filter_chain.h> +#ifdef CONFIG_TOUCHSCREEN_FILTER +#include <linux/touchscreen/ts_filter_linear.h> +#include <linux/touchscreen/ts_filter_mean.h> +#include <linux/touchscreen/ts_filter_median.h> +#include <linux/touchscreen/ts_filter_group.h> +#endif + +#include <asm/fiq.h> + +#include <linux/gta02-vibrator.h> + +/* arbitrates which sensor IRQ owns the shared SPI bus */ +static spinlock_t motion_irq_lock; + + +/* ------------------------------------------------------------------------------- + * GTA02 FIQ related + * + * Calls into vibrator and hdq and based on the return values + * determines if we the FIQ source be kept alive + */ + +#define DIVISOR_FROM_US(x) ((x) << 3) + +#ifdef CONFIG_HDQ_GPIO_BITBANG +#define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(HDQ_SAMPLE_PERIOD_US) +extern int hdq_fiq_handler(void); +#endif + +#ifdef CONFIG_LEDS_GTA02_VIBRATOR +#define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100) +extern int gta02_vibrator_fiq_handler(void); +#endif + +#if defined(CONFIG_LEDS_GTA02_VIBRATOR) || defined(CONFIG_HDQ_GPIO_BITBANG) + +/* Global data related to our fiq source */ +static u32 gta02_fiq_ack_mask; +static struct s3c2410_pwm gta02_fiq_pwm_timer; +static u16 gta02_fiq_timer_index; +static int gta02_fiq_irq; + +static void gta02_fiq_handler(void) +{ + u16 divisor = 0xffff; + + /* Vibrator servicing */ + + /* disable further timer interrupts if nobody has any work + * or adjust rate according to who still has work + * + * CAUTION: it means forground code must disable FIQ around + * its own non-atomic S3C2410_INTMSK changes... not common + * thankfully and taken care of by the fiq-basis patch + */ + +#ifdef CONFIG_LEDS_GTA02_VIBRATOR + if (gta02_vibrator_fiq_handler()) + divisor = FIQ_DIVISOR_VIBRATOR; +#endif + +#ifdef CONFIG_HDQ_GPIO_BITBANG + if (hdq_fiq_handler()) + divisor = FIQ_DIVISOR_HDQ; +#endif + + if (divisor == 0xffff) /* mask the fiq irq source */ + __raw_writel(__raw_readl(S3C2410_INTMSK) | gta02_fiq_ack_mask, + S3C2410_INTMSK); + else /* still working, maybe at a different rate */ + __raw_writel(divisor, S3C2410_TCNTB(gta02_fiq_timer_index)); + + __raw_writel(gta02_fiq_ack_mask, S3C2410_SRCPND); +} + +static void gta02_fiq_kick(void) +{ + unsigned long flags; + u32 tcon; + + /* we have to take care about FIQ because this modification is + * non-atomic, FIQ could come in after the read and before the + * writeback and its changes to the register would be lost + * (platform INTMSK mod code is taken care of already) + */ + local_save_flags(flags); + local_fiq_disable(); + /* allow FIQs to resume */ + __raw_writel(__raw_readl(S3C2410_INTMSK) & + ~(1 << (gta02_fiq_irq - S3C2410_CPUIRQ_OFFSET)), + S3C2410_INTMSK); + tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START; + /* fake the timer to a count of 1 */ + __raw_writel(1, S3C2410_TCNTB(gta02_fiq_timer_index)); + __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD, S3C2410_TCON); + __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD | S3C2410_TCON_T3START, + S3C2410_TCON); + __raw_writel(tcon | S3C2410_TCON_T3START, S3C2410_TCON); + local_irq_restore(flags); +} + +static int gta02_fiq_enable(void) +{ + int irq_index_fiq = IRQ_TIMER3; + int rc = 0; + + local_fiq_disable(); + + gta02_fiq_irq = irq_index_fiq; + gta02_fiq_ack_mask = 1 << (irq_index_fiq - S3C2410_CPUIRQ_OFFSET); + gta02_fiq_timer_index = (irq_index_fiq - IRQ_TIMER0); + + /* set up the timer to operate as a pwm device */ + + rc = s3c2410_pwm_init(>a02_fiq_pwm_timer); + if (rc) + goto bail; + + gta02_fiq_pwm_timer.timerid = PWM0 + gta02_fiq_timer_index; + gta02_fiq_pwm_timer.prescaler = (6 - 1) / 2; + gta02_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2; + /* default rate == ~32us */ + gta02_fiq_pwm_timer.counter = gta02_fiq_pwm_timer.comparer = 3000; + + rc = s3c2410_pwm_enable(>a02_fiq_pwm_timer); + if (rc) + goto bail; + + s3c2410_pwm_start(>a02_fiq_pwm_timer); + + /* let our selected interrupt be a magic FIQ interrupt */ + __raw_writel(gta02_fiq_ack_mask, S3C2410_INTMOD); + + /* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */ + local_fiq_enable(); + + set_fiq_c_handler(gta02_fiq_handler); + + return 0; + +bail: + printk(KERN_ERR "Could not initialize FIQ for GTA02: %d\n", rc); + + return rc; +} + +static void gta02_fiq_disable(void) +{ + __raw_writel(0, S3C2410_INTMOD); + local_fiq_disable(); + gta02_fiq_irq = 0; /* no active source interrupt now either */ + +} +/* -------------------- /GTA02 FIQ Handler ------------------------------------- */ + +#endif + +/* + * this gets called every 1ms when we paniced. + */ + +static long gta02_panic_blink(long count) +{ + long delay = 0; + static long last_blink; + static char led; + + if (count - last_blink < 100) /* 200ms period, fast blink */ + return 0; + + led ^= 1; + s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT); + s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, led); + + last_blink = count; + return delay; +} + + +/** + * returns PCB revision information in b9,b8 and b2,b1,b0 + * Pre-GTA02 A6 returns 0x000 + * GTA02 A6 returns 0x101 + * ... + */ + +int gta02_get_pcb_revision(void) +{ + int n; + int u = 0; + static unsigned long pinlist[] = { + GTA02_PCB_ID1_0, + GTA02_PCB_ID1_1, + GTA02_PCB_ID1_2, + GTA02_PCB_ID2_0, + GTA02_PCB_ID2_1, + }; + static int pin_offset[] = { + 0, 1, 2, 8, 9 + }; + + for (n = 0 ; n < ARRAY_SIZE(pinlist); n++) { + /* + * set the PCB version GPIO to be pulled-down input + * force low briefly first + */ + s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT); + s3c2410_gpio_setpin(pinlist[n], 0); + /* misnomer: it is a pullDOWN in 2442 */ + s3c2410_gpio_pullup(pinlist[n], 1); + s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_INPUT); + + udelay(10); + + if (s3c2410_gpio_getpin(pinlist[n])) + u |= 1 << pin_offset[n]; + + /* + * when not being interrogated, all of the revision GPIO + * are set to output HIGH without pulldown so no current flows + * if they are NC or pulled up. + */ + s3c2410_gpio_setpin(pinlist[n], 1); + s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT); + /* misnomer: it is a pullDOWN in 2442 */ + s3c2410_gpio_pullup(pinlist[n], 0); + } + + return u; +} + +struct platform_device gta02_resume_reason_device = { + .name = "gta02-resume", + .num_resources = 0, +}; + +static struct map_desc gta02_iodesc[] __initdata = { + { + .virtual = 0xe0000000, + .pfn = __phys_to_pfn(S3C2410_CS3+0x01000000), + .length = SZ_1M, + .type = MT_DEVICE + }, +}; + +#define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN) +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg gta02_uartcfgs[] = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + +}; + +struct pcf50633 *gta02_pcf; + +#ifdef CONFIG_CHARGER_PCF50633 +#ifdef CONFIG_HDQ_GPIO_BITBANG +static int gta02_get_charger_online_status(void) +{ + struct pcf50633 *pcf = gta02_pcf; + + return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE; +} + +static int gta02_get_charger_active_status(void) +{ + struct pcf50633 *pcf = gta02_pcf; + + return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ACTIVE; +} +#endif + +#define ADC_NOM_CHG_DETECT_1A 6 +#define ADC_NOM_CHG_DETECT_USB 43 + +static void +gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res) +{ + int ma; + + /* Interpret charger type */ + if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) { + + /* Stop GPO driving out now that we have a IA charger */ + pcf50633_gpio_set(pcf, PCF50633_GPO, 0); + + ma = 1000; + } else + ma = 100; + + pcf50633_mbc_usb_curlim_set(pcf, ma); +} + +static struct delayed_work gta02_charger_work; +static int gta02_usb_vbus_draw; + +static void gta02_charger_worker(struct work_struct *work) +{ + struct pcf50633 *pcf = gta02_pcf; + + if (gta02_usb_vbus_draw) { + pcf50633_mbc_usb_curlim_set(pcf, gta02_usb_vbus_draw); + return; + } else { +#ifdef CONFIG_PCF50633_ADC + pcf50633_adc_async_read(pcf, + PCF50633_ADCC1_MUX_ADCIN1, + PCF50633_ADCC1_AVERAGE_16, + gta02_configure_pmu_for_charger, NULL); +#else + /* If the PCF50633 ADC is disabled we fallback to a 100mA limit for safety. */ + pcf50633_mbc_usb_curlim_set(pcf, 100); +#endif + return; + } +} + +#define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000) +static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq) +{ + if (irq == PCF50633_IRQ_USBINS) { + schedule_delayed_work(>a02_charger_work, + GTA02_CHARGER_CONFIGURE_TIMEOUT); + return; + } else if (irq == PCF50633_IRQ_USBREM) { + cancel_delayed_work_sync(>a02_charger_work); + gta02_usb_vbus_draw = 0; + } +} + +static void gta02_pmu_force_shutdown(struct pcf50633 *pcf) +{ + pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_OOCSHDWN, + PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY); +} + + +static void gta02_udc_vbus_draw(unsigned int ma) +{ + if (!gta02_pcf) + return; + + gta02_usb_vbus_draw = ma; + + schedule_delayed_work(>a02_charger_work, + GTA02_CHARGER_CONFIGURE_TIMEOUT); +} + +static int gta02_udc_vbus_status(void) +{ + struct pcf50633 *pcf = gta02_pcf; + if (!gta02_pcf) + return -ENODEV; + + return !!(pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE); +} + +#else /* !CONFIG_CHARGER_PCF50633 */ +#ifdef CONFIG_HDQ_GPIO_BITBANG +#define gta02_get_charger_online_status NULL +#define gta02_get_charger_active_status NULL +#endif +#define gta02_pmu_event_callback NULL +#define gta02_udc_vbus_draw NULL +#define gta02_udc_vbus_status NULL +#endif + + +static struct platform_device gta02_pm_gps_dev = { + .name = "gta02-pm-gps", +}; + +static struct platform_device gta02_pm_bt_dev = { + .name = "gta02-pm-bt", +}; + +static struct platform_device gta02_pm_gsm_dev = { + .name = "gta02-pm-gsm", +}; + +static struct platform_device gta02_pm_wlan_dev = { + .name = "gta02-pm-wlan", +}; + +/* this is called when pc50633 is probed, unfortunately quite late in the + * day since it is an I2C bus device. Here we can belatedly define some + * platform devices with the advantage that we can mark the pcf50633 as the + * parent. This makes them get suspended and resumed with their parent + * the pcf50633 still around. + */ + +static struct platform_device gta02_glamo_dev; +static void mangle_glamo_res_by_system_rev(void); + +static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf); +static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id); + +static struct regulator_consumer_supply ldo4_consumers[] = { + { + .dev = >a02_pm_bt_dev.dev, + .supply = "BT_3V2", + }, +}; + +static struct regulator_consumer_supply ldo5_consumers[] = { + { + .dev = >a02_pm_gps_dev.dev, + .supply = "RF_3V", + }, +}; + +static struct regulator_consumer_supply hcldo_consumers[] = { + { + .dev = >a02_glamo_dev.dev, + .supply = "SD_3V3", + }, +}; + +static char *gta02_batteries[] = { + "battery", +}; + +#ifdef CONFIG_CHARGER_PCF50633 + +struct pcf50633_platform_data gta02_pcf_pdata = { + .resumers = { + [0] = PCF50633_INT1_USBINS | + PCF50633_INT1_USBREM | + PCF50633_INT1_ALARM, + [1] = PCF50633_INT2_ONKEYF, + [2] = PCF50633_INT3_ONKEY1S, + [3] = PCF50633_INT4_LOWSYS | + PCF50633_INT4_LOWBAT | + PCF50633_INT4_HIGHTMP, + }, + + .batteries = gta02_batteries, + .num_batteries = ARRAY_SIZE(gta02_batteries), + .charging_restart_interval = (900 * HZ), + .chg_ref_current_ma = 1000, + + .reg_init_data = { + [PCF50633_REGULATOR_AUTO] = { + .constraints = { + .name = "IO_3V3", + .min_uV = 3300000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .boot_on = 1, + .always_on = 1, + .apply_uV = 1, + .state_mem = { + .enabled = 1, + }, + }, + .num_consumer_supplies = 0, + }, + [PCF50633_REGULATOR_DOWN1] = { + .constraints = { + .name = "CORE_1V3", + .min_uV = 1300000, + .max_uV = 1600000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .boot_on = 1, + .always_on = 1, + .apply_uV = 1, + }, + .num_consumer_supplies = 0, + }, + [PCF50633_REGULATOR_DOWN2] = { + .constraints = { + .name = "IO_1V8", + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + .boot_on = 1, + .always_on = 1, + .state_mem = { + .enabled = 1, + }, + }, + .num_consumer_supplies = 0, + }, + [PCF50633_REGULATOR_HCLDO] = { + .constraints = { + .name = "SD_3V3", + .min_uV = 2000000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .boot_on = 1, + }, + .num_consumer_supplies = 1, + .consumer_supplies = hcldo_consumers, + }, + [PCF50633_REGULATOR_LDO1] = { + .constraints = { + .name = "GSENSOR_3V3", + .min_uV = 3300000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, + .num_consumer_supplies = 0, + }, + [PCF50633_REGULATOR_LDO2] = { + .constraints = { + .name = "CODEC_3V3", + .min_uV = 3300000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, + .num_consumer_supplies = 0, + }, + [PCF50633_REGULATOR_LDO3] = { + .constraints = { + .min_uV = 3000000, + .max_uV = 3000000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, + .num_consumer_supplies = 0, + }, + [PCF50633_REGULATOR_LDO4] = { + .constraints = { + .name = "BT_3V2", + .min_uV = 3200000, + .max_uV = 3200000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, + .num_consumer_supplies = 1, + .consumer_supplies = ldo4_consumers, + }, + [PCF50633_REGULATOR_LDO5] = { + .constraints = { + .name = "RF_3V", + .min_uV = 3000000, + .max_uV = 3000000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + .state_mem = { + .enabled = 1, + }, + }, + .num_consumer_supplies = 1, + .consumer_supplies = ldo5_consumers, + }, + [PCF50633_REGULATOR_LDO6] = { + .constraints = { + .name = "LCM_3V", + .min_uV = 3000000, + .max_uV = 3000000, + .always_on = 1, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, + .num_consumer_supplies = 0, + }, + [PCF50633_REGULATOR_MEMLDO] = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .state_mem = { + .enabled = 1, + }, + }, + .num_consumer_supplies = 0, + }, + + }, + .probe_done = gta02_pmu_attach_child_devices, + .regulator_registered = gta02_pmu_regulator_registered, + .mbc_event_callback = gta02_pmu_event_callback, + .force_shutdown = gta02_pmu_force_shutdown, +}; + +static void mangle_pmu_pdata_by_system_rev(void) +{ + struct regulator_init_data *reg_init_data; + + reg_init_data = gta02_pcf_pdata.reg_init_data; + + switch (S3C_SYSTEM_REV_ATAG) { + case GTA02v1_SYSTEM_REV: + /* FIXME: this is only in v1 due to wrong PMU variant */ + reg_init_data[PCF50633_REGULATOR_DOWN2] + .constraints.state_mem.enabled = 1; + + reg_init_data[PCF50633_REGULATOR_LDO1] + .constraints.min_uV = 1300000; + reg_init_data[PCF50633_REGULATOR_LDO1] + .constraints.max_uV = 1300000; + + reg_init_data[PCF50633_REGULATOR_LDO5] + .constraints.min_uV = 1500000; + reg_init_data[PCF50633_REGULATOR_LDO5] + .constraints.max_uV = 1500000; + + reg_init_data[PCF50633_REGULATOR_LDO6] + .constraints.min_uV = 0; + reg_init_data[PCF50633_REGULATOR_LDO6] + .constraints.max_uV = 3300000; + reg_init_data[PCF50633_REGULATOR_LDO6] + .constraints.apply_uV = 1; + break; + default: + break; + } +} + +#endif + +#ifdef CONFIG_HDQ_GPIO_BITBANG +/* BQ27000 Battery */ + +struct bq27000_platform_data bq27000_pdata = { + .name = "battery", + .rsense_mohms = 20, + .hdq_read = hdq_read, + .hdq_write = hdq_write, + .hdq_initialized = hdq_initialized, + .get_charger_online_status = gta02_get_charger_online_status, + .get_charger_active_status = gta02_get_charger_active_status +}; + +struct platform_device bq27000_battery_device = { + .name = "bq27000-battery", + .dev = { + .platform_data = &bq27000_pdata, + }, +}; + +/* HDQ */ + +static void gta02_hdq_attach_child_devices(struct device *parent_device) +{ + switch (S3C_SYSTEM_REV_ATAG) { + case GTA02v5_SYSTEM_REV: + case GTA02v6_SYSTEM_REV: + bq27000_battery_device.dev.parent = parent_device; + platform_device_register(&bq27000_battery_device); + break; + default: + break; + } +} + +static void gta02_hdq_gpio_direction_out(void) +{ + s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT); +} + +static void gta02_hdq_gpio_direction_in(void) +{ + s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT); +} + +static void gta02_hdq_gpio_set_value(int val) +{ + + s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val); +} + +static int gta02_hdq_gpio_get_value(void) +{ + return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ); +} + +static struct resource gta02_hdq_resources[] = { + [0] = { + .start = GTA02v5_GPIO_HDQ, + .end = GTA02v5_GPIO_HDQ, + }, +}; + +struct hdq_platform_data gta02_hdq_platform_data = { + .attach_child_devices = gta02_hdq_attach_child_devices, + .gpio_dir_out = gta02_hdq_gpio_direction_out, + .gpio_dir_in = gta02_hdq_gpio_direction_in, + .gpio_set = gta02_hdq_gpio_set_value, + .gpio_get = gta02_hdq_gpio_get_value, + + .enable_fiq = gta02_fiq_enable, + .disable_fiq = gta02_fiq_disable, + .kick_fiq = gta02_fiq_kick, + +}; + +struct platform_device gta02_hdq_device = { + .name = "hdq", + .num_resources = 1, + .resource = gta02_hdq_resources, + .dev = { + .platform_data = >a02_hdq_platform_data, + }, +}; +#endif + + +#ifdef CONFIG_LEDS_GTA02_VIBRATOR +/* vibrator (child of FIQ) */ + +static struct resource gta02_vibrator_resources[] = { + [0] = { + .start = GTA02_GPIO_VIBRATOR_ON, + .end = GTA02_GPIO_VIBRATOR_ON, + }, +}; +struct gta02_vib_platform_data gta02_vib_pdata = { + .enable_fiq = gta02_fiq_enable, + .disable_fiq = gta02_fiq_disable, + .kick_fiq = gta02_fiq_kick, +}; + +static struct platform_device gta02_vibrator_dev = { + .name = "gta02-vibrator", + .num_resources = ARRAY_SIZE(gta02_vibrator_resources), + .resource = gta02_vibrator_resources, + .dev = { + .platform_data = >a02_vib_pdata, + }, +}; +#endif + +/* NOR Flash */ + +#define GTA02_FLASH_BASE S3C2410_CS3 /* GCS3 */ +#define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */ + +static struct physmap_flash_data gta02_nor_flash_data = { + .width = 2, +}; + +static struct resource gta02_nor_flash_resource = { + .start = GTA02_FLASH_BASE, + .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device gta02_nor_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = >a02_nor_flash_data, + }, + .resource = >a02_nor_flash_resource, + .num_resources = 1, +}; + + +struct platform_device s3c24xx_pwm_device = { + .name = "s3c24xx_pwm", + .num_resources = 0, +}; + +static struct i2c_board_info gta02_i2c_devs[] __initdata = { + { + I2C_BOARD_INFO("pcf50633", 0x73), + .irq = GTA02_IRQ_PCF50633, + .platform_data = >a02_pcf_pdata, + }, + { + I2C_BOARD_INFO("wm8753", 0x1a), + }, +}; + +static struct s3c2410_nand_set gta02_nand_sets[] = { + [0] = { + .name = "neo1973-nand", + .nr_chips = 1, + .flags = S3C2410_NAND_BBT, + }, +}; + +/* choose a set of timings derived from S3C@2442B MCP54 + * data sheet (K5D2G13ACM-D075 MCP Memory) + */ + +static struct s3c2410_platform_nand gta02_nand_info = { + .tacls = 0, + .twrph0 = 25, + .twrph1 = 15, + .nr_sets = ARRAY_SIZE(gta02_nand_sets), + .sets = gta02_nand_sets, + .software_ecc = 1, +}; + + +static void gta02_s3c_mmc_set_power(unsigned char power_mode, + unsigned short vdd) +{ + static int is_on = -1; + int on; + + on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP; + if (is_on != on) + gta02_wlan_reset(!on); + is_on = on; +} + + +static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = { + .set_power = gta02_s3c_mmc_set_power, +}; + +static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd) +{ + switch (cmd) { + case S3C2410_UDC_P_ENABLE: + printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__); + s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 1); + break; + case S3C2410_UDC_P_DISABLE: + printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__); + s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 0); + break; + case S3C2410_UDC_P_RESET: + printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__); + /* FIXME! */ + break; + default: + break; + } +} + +/* get PMU to set USB current limit accordingly */ + +static struct s3c2410_udc_mach_info gta02_udc_cfg = { + .vbus_draw = gta02_udc_vbus_draw, + .udc_command = gta02_udc_command, +/* .get_vbus_status = gta02_udc_vbus_status,*/ +}; + + +/* Touchscreen configuration. */ + +#ifdef CONFIG_TOUCHSCREEN_FILTER +const static struct ts_filter_group_configuration gta02_ts_group = { + .length = 12, + .close_enough = 10, + .threshold = 6, /* At least half of the points in a group. */ + .attempts = 10, +}; + +const static struct ts_filter_median_configuration gta02_ts_median = { + .extent = 20, + .decimation_below = 3, + .decimation_threshold = 8 * 3, + .decimation_above = 4, +}; + +const static struct ts_filter_mean_configuration gta02_ts_mean = { + .length = 4, +}; + +const static struct ts_filter_linear_configuration gta02_ts_linear = { + .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */ + .coord0 = 0, + .coord1 = 1, +}; +#endif + +const static struct ts_filter_chain_configuration gta02_filter_configuration[] = +{ +#ifdef CONFIG_TOUCHSCREEN_FILTER + {&ts_filter_group_api, >a02_ts_group.config}, + {&ts_filter_median_api, >a02_ts_median.config}, + {&ts_filter_mean_api, >a02_ts_mean.config}, + {&ts_filter_linear_api, >a02_ts_linear.config}, +#endif + {NULL, NULL}, +}; + +const static struct s3c2410_ts_mach_info gta02_ts_cfg = { + .delay = 10000, + .presc = 0xff, /* slow as we can go */ + .filter_config = gta02_filter_configuration, +}; + + + +static void gta02_bl_set_intensity(int intensity) +{ + struct pcf50633 *pcf = gta02_pcf; + int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT); + int ret; + + intensity >>= 2; + + /* + * One code path that leads here is from a kernel panic. Trying to turn + * the backlight on just gives us a nearly endless stream of complaints + * and accomplishes nothing. We can't win. Just give up. + * + * In the unlikely event that there's another path leading here while + * we're atomic, we print at least a warning. + */ + if (in_atomic()) { + printk(KERN_ERR + "gta02_bl_set_intensity called while atomic\n"); + return; + } + + if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3)) + old_intensity = 0; + else + old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT); + + if (intensity == old_intensity) + return; + + /* We can't do this anywhere else */ + pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5); + + /* + * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60) + * if seen, you have to re-enable the LED unit + */ + if (!intensity || !old_intensity) + pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0); + + if (!intensity) /* illegal to set LEDOUT to 0 */ + ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, + 2); + else + ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, + intensity); + + if (intensity) + pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2); + +} + +static struct generic_bl_info gta02_bl_info = { + .name = "gta02-bl", + .max_intensity = 0xff, + .default_intensity = 0xff, + .set_bl_intensity = gta02_bl_set_intensity, +}; + +static struct platform_device gta02_bl_dev = { + .name = "generic-bl", + .id = 1, + .dev = { + .platform_data = >a02_bl_info, + }, +}; + +/* SPI: LCM control interface attached to Glamo3362 */ + +static void gta02_jbt6k74_reset(int devidx, int level) +{ + gpio_set_value(GTA02_GPIO_GLAMO(4), level); +} + +static void gta02_jbt6k74_probe_completed(struct device *dev) +{ + struct pcf50633 *pcf = gta02_pcf; + + /* Switch on backlight. Qi does not do it for us */ + pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01); + pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00); + pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01); + pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01); + + gta02_bl_dev.dev.parent = dev; + platform_device_register(>a02_bl_dev); +} + +const struct jbt6k74_platform_data jbt6k74_pdata = { + .reset = gta02_jbt6k74_reset, + .probe_completed = gta02_jbt6k74_probe_completed, +}; + +/*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */ + +void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume) +{ + struct lis302dl_platform_data *pdata = lis->pdata; + + if (!resume) { + /* + * we don't want to power them with a high level + * because GSENSOR_3V3 is not up during suspend + */ + s3c2410_gpio_setpin(pdata->pin_chip_select, 0); + s3c2410_gpio_setpin(pdata->pin_clk, 0); + s3c2410_gpio_setpin(pdata->pin_mosi, 0); + /* misnomer: it is a pullDOWN in 2442 */ + s3c2410_gpio_pullup(pdata->pin_miso, 1); + return; + } + + /* back to normal */ + s3c2410_gpio_setpin(pdata->pin_chip_select, 1); + s3c2410_gpio_setpin(pdata->pin_clk, 1); + /* misnomer: it is a pullDOWN in 2442 */ + s3c2410_gpio_pullup(pdata->pin_miso, 0); + + s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT); + s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT); + s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT); + s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT); + +} + +struct lis302dl_platform_data lis302_pdata_top = { + .name = "lis302-1 (top)", + .pin_chip_select= S3C2410_GPD12, + .pin_clk = S3C2410_GPG7, + .pin_mosi = S3C2410_GPG6, + .pin_miso = S3C2410_GPG5, + .interrupt = GTA02_IRQ_GSENSOR_1, + .open_drain = 1, /* altered at runtime by PCB rev */ + .lis302dl_suspend_io = gta02_lis302dl_suspend_io, +}; + +struct lis302dl_platform_data lis302_pdata_bottom = { + .name = "lis302-2 (bottom)", + .pin_chip_select= S3C2410_GPD13, + .pin_clk = S3C2410_GPG7, + .pin_mosi = S3C2410_GPG6, + .pin_miso = S3C2410_GPG5, + .interrupt = GTA02_IRQ_GSENSOR_2, + .open_drain = 1, /* altered at runtime by PCB rev */ + .lis302dl_suspend_io = gta02_lis302dl_suspend_io, +}; + +static struct spi_board_info gta02_spi_board_info[] = { + { + .modalias = "jbt6k74", + .platform_data = &jbt6k74_pdata, + .controller_data = (void*)GTA02_GPIO_GLAMO(12), + /* irq */ + .max_speed_hz = 100 * 1000, + .bus_num = 2, + .chip_select = 0 + }, + { + .modalias = "lis302dl", + /* platform_data */ + .platform_data = &lis302_pdata_top, + /* controller_data */ + /* irq */ + .max_speed_hz = 100 * 1000, + .bus_num = 3, + .chip_select = 0, + }, + + { + .modalias = "lis302dl", + /* platform_data */ + .platform_data = &lis302_pdata_bottom, + /* controller_data */ + /* irq */ + .max_speed_hz = 100 * 1000, + .bus_num = 3, + .chip_select = 1, + }, + +}; + +static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs) +{ + + /* + * Huh... "quirk"... CS on this device is not really "CS" like you can + * expect. + * + * When it is 0 it selects SPI interface mode. + * When it is 1 it selects I2C interface mode. + * + * Because we have 2 devices on one interface we have to make sure + * that the "disabled" device (actually in I2C mode) don't think we're + * talking to it. + * + * When we talk to the "enabled" device, the "disabled" device sees + * the clocks as I2C clocks, creating havoc. + * + * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we + * must ensure this is never issued. + */ + + int cs_gpio, other_cs_gpio; + + cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12; + other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12; + + + if (cs == BITBANG_CS_ACTIVE) { + s3c2410_gpio_setpin(other_cs_gpio, 1); + s3c2410_gpio_setpin(cs_gpio, 1); + s3c2410_gpio_setpin(info->pin_clk, 1); + s3c2410_gpio_setpin(cs_gpio, 0); + } else { + s3c2410_gpio_setpin(cs_gpio, 1); + s3c2410_gpio_setpin(other_cs_gpio, 1); + } +} + +static struct s3c2410_spigpio_info gta02_spigpio_cfg = { + .pin_clk = S3C2410_GPG7, + .pin_mosi = S3C2410_GPG6, + .pin_miso = S3C2410_GPG5, + .bus_num = 3, + .num_chipselect = 2, + .chip_select = gta02_lis302_chip_select, + .non_blocking_transfer = 1, +}; + +static struct platform_device gta02_spi_gpio_dev = { + .name = "spi_s3c24xx_gpio", + .dev = { + .platform_data = >a02_spigpio_cfg, + }, +}; + +/*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */ + +static struct gpio_led gta02_gpio_leds[] = { + { + .name = "gta02-power:orange", + .gpio = GTA02_GPIO_PWR_LED1, + }, { + .name = "gta02-power:blue", + .gpio = GTA02_GPIO_PWR_LED2, + }, { + .name = "gta02-aux:red", + .gpio = GTA02_GPIO_AUX_LED, + }, +}; + +static struct gpio_led_platform_data gta02_gpio_leds_pdata = { + .leds = gta02_gpio_leds, + .num_leds = ARRAY_SIZE(gta02_gpio_leds), +}; + +struct platform_device gta02_led_dev = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = >a02_gpio_leds_pdata, + }, +}; + +static struct gpio_keys_button gta02_buttons[] = { + { + .gpio = GTA02_GPIO_AUX_KEY, + .code = KEY_PHONE, + .desc = "Aux", + .type = EV_KEY, + }, + { + .gpio = GTA02_GPIO_HOLD_KEY, + .code = KEY_PAUSE, + .desc = "Hold", + .type = EV_KEY, + }, +}; + +static struct gpio_keys_platform_data gta02_buttons_pdata = { + .buttons = gta02_buttons, + .nbuttons = ARRAY_SIZE(gta02_buttons), +}; + +static struct platform_device gta02_button_dev = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = >a02_buttons_pdata, + }, +}; + +static struct platform_device gta02_pm_usbhost_dev = { + .name = "gta02-pm-host", +}; + +/* USB */ +static struct s3c2410_hcd_info gta02_usb_info = { + .port[0] = { + .flags = S3C_HCDFLG_USED, + }, + .port[1] = { + .flags = 0, + }, +}; + +static int glamo_irq_is_wired(void) +{ + int rc; + int count = 0; + + /* + * GTA02 S-Media IRQs prior to A5 are broken due to a lack of + * a pullup on the INT# line. Check for the bad behaviour. + */ + s3c2410_gpio_setpin(S3C2410_GPG4, 0); + s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP); + s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP); + /* + * we force it low ourselves for a moment and resume being input. + * If there is a pullup, it won't stay low for long. But if the + * level converter is there as on < A5 revision, the weak keeper + * on the input of the LC will hold the line low indefinitiely + */ + do + rc = s3c2410_gpio_getpin(S3C2410_GPG4); + while ((!rc) && ((count++) < 10)); + if (rc) { /* it got pulled back up, it's good */ + printk(KERN_INFO "Detected S-Media IRQ# pullup, " + "enabling interrupt\n"); + return 0; + } else /* Gah we can't work with this level converter */ + printk(KERN_WARNING "** Detected bad IRQ# circuit found" + " on pre-A5 GTA02: S-Media interrupt disabled **\n"); + return -ENODEV; +} + +/* Smedia Glamo 3362 */ + +/* + * we crank down SD Card clock dynamically when GPS is powered + */ + +static int gta02_glamo_mci_use_slow(void) +{ + return gta02_pm_gps_is_on(); +} + +static void gta02_glamo_external_reset(int level) +{ + s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level); + s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT); +} + +/* +static struct fb_videomode gta02_glamo_modes[] = { + { + .name = "480x640", + .xres = 480, + .yres = 640, + .pixclock = 40816, + .left_margin = 8, + .right_margin = 63, + .upper_margin = 2, + .lower_margin = 4, + .hsync_len = 8, + .vsync_len = 2, + .vmode = FB_VMODE_NONINTERLACED, + }, { + .name = "240x320", + .xres = 240, + .yres = 320, + .pixclock = 40816, + .left_margin = 8, + .right_margin = 88, + .upper_margin = 2, + .lower_margin = 2, + .hsync_len = 8, + .vsync_len = 2, + .vmode = FB_VMODE_NONINTERLACED, + } +};*/ + +static struct fb_videomode gta02_glamo_modes[] = { + { + .name = "480x640", + .xres = 480, + .yres = 640, + .pixclock = 40816, + .left_margin = 8, + .right_margin = 16, + .upper_margin = 2, + .lower_margin = 16, + .hsync_len = 8, + .vsync_len = 2, + .vmode = FB_VMODE_NONINTERLACED, + }, { + .name = "240x320", + .xres = 240, + .yres = 320, + .pixclock = 40816, + .left_margin = 8, + .right_margin = 16, + .upper_margin = 2, + .lower_margin = 16, + .hsync_len = 8, + .vsync_len = 2, + .vmode = FB_VMODE_NONINTERLACED, + } +}; + + +static struct glamo_fb_platform_data gta02_glamo_fb_pdata = { + .width = 43, + .height = 58, + + .num_modes = ARRAY_SIZE(gta02_glamo_modes), + .modes = gta02_glamo_modes, +}; + +static struct glamo_mmc_platform_data gta02_glamo_mmc_pdata = { + .glamo_mmc_use_slow = gta02_glamo_mci_use_slow, +}; + +static struct glamo_platform_data gta02_glamo_pdata = { + .fb_data = >a02_glamo_fb_pdata, + .mmc_data = >a02_glamo_mmc_pdata, + .gpio_base = GTA02_GPIO_GLAMO_BASE, + + .osci_clock_rate = 32768, + + .glamo_irq_is_wired = glamo_irq_is_wired, + .glamo_external_reset = gta02_glamo_external_reset, +}; + +static struct resource gta02_glamo_resources[] = { + [0] = { + .start = S3C2410_CS1, + .end = S3C2410_CS1 + 0x1000000 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = GTA02_IRQ_3D, + .end = GTA02_IRQ_3D, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = GTA02_GPIO_3D_RESET, + .end = GTA02_GPIO_3D_RESET, + }, +}; + +static struct platform_device gta02_glamo_dev = { + .name = "glamo3362", + .num_resources = ARRAY_SIZE(gta02_glamo_resources), + .resource = gta02_glamo_resources, + .dev = { + .platform_data = >a02_glamo_pdata, + }, +}; + +static void mangle_glamo_res_by_system_rev(void) +{ + switch (S3C_SYSTEM_REV_ATAG) { + case GTA02v1_SYSTEM_REV: + break; + default: + gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET; + gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET; + break; + } + + switch (S3C_SYSTEM_REV_ATAG) { + case GTA02v1_SYSTEM_REV: + case GTA02v2_SYSTEM_REV: + case GTA02v3_SYSTEM_REV: + /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */ + /* The hardware is missing a pull-up resistor and thus can't + * support the Smedia Glamo IRQ */ + gta02_glamo_resources[1].start = 0; + gta02_glamo_resources[1].end = 0; + break; + } +} + +struct spi_gpio_platform_data spigpio_platform_data = { + .sck = GTA02_GPIO_GLAMO(10), + .mosi = GTA02_GPIO_GLAMO(11), + .miso = GTA02_GPIO_GLAMO(5), + .num_chipselect = 1, +}; + +static struct platform_device spigpio_device = { + .name = "spi_gpio", + .id = 2, + .dev = { + .platform_data = &spigpio_platform_data, + .parent = >a02_glamo_dev.dev, + }, +}; + +static void __init gta02_map_io(void) +{ + s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc)); + s3c24xx_init_clocks(12000000); + s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs)); +} + +static irqreturn_t gta02_modem_irq(int irq, void *param) +{ +/* printk(KERN_DEBUG "modem wakeup interrupt\n");*/ + gta_gsm_interrupts++; + return IRQ_HANDLED; +} + +static irqreturn_t ar6000_wow_irq(int irq, void *param) +{ +/* printk(KERN_DEBUG "ar6000_wow interrupt\n");*/ + return IRQ_HANDLED; +} + +/* + * hardware_ecc=1|0 + */ +static char hardware_ecc_str[4] __initdata = ""; + +static int __init hardware_ecc_setup(char *str) +{ + if (str) + strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str)); + return 1; +} + +__setup("hardware_ecc=", hardware_ecc_setup); + +/* these are the guys that don't need to be children of PMU */ + +static struct platform_device *gta02_devices[] __initdata = { + &s3c_device_usb, + &s3c_device_wdt, + &s3c_device_sdi, + &s3c_device_usbgadget, + &s3c_device_nand, + >a02_nor_flash, + + &s3c24xx_pwm_device, + >a02_led_dev, + >a02_pm_wlan_dev, /* not dependent on PMU */ + &s3c_device_iis, + &s3c_device_i2c0, +}; + +/* these guys DO need to be children of PMU */ + +static struct platform_device *gta02_devices_pmu_children[] = { + &s3c_device_ts, /* input 1 */ + >a02_pm_gsm_dev, + >a02_pm_usbhost_dev, + >a02_spi_gpio_dev, /* input 2 and 3 */ + >a02_button_dev, /* input 4 */ + >a02_resume_reason_device, +}; + +static void gta02_register_glamo(void) +{ + platform_device_register(>a02_glamo_dev); + if (gpio_request(GTA02_GPIO_GLAMO(4), "jbt6k74 reset")) + printk("gta02: Failed to request jbt6k74 reset pin\n"); + if (gpio_direction_output(GTA02_GPIO_GLAMO(4), 1)) + printk("gta02: Failed to configure jbt6k74 reset pin\n"); + platform_device_register(&spigpio_device); +} + +static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id) +{ + struct platform_device *regulator, *pdev; + + gta02_pcf = pcf; + + regulator = pcf->regulator_pdev[id]; + + switch(id) { + case PCF50633_REGULATOR_LDO4: + pdev = >a02_pm_bt_dev; + break; + case PCF50633_REGULATOR_LDO5: + pdev = >a02_pm_gps_dev; + break; + case PCF50633_REGULATOR_HCLDO: + gta02_register_glamo(); + return; + default: + return; + } + + pdev->dev.parent = ®ulator->dev; + platform_device_register(pdev); +} + +/* this is called when pc50633 is probed, unfortunately quite late in the + * day since it is an I2C bus device. Here we can belatedly define some + * platform devices with the advantage that we can mark the pcf50633 as the + * parent. This makes them get suspended and resumed with their parent + * the pcf50633 still around. + */ + +static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf) +{ + int n; + + for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++) + gta02_devices_pmu_children[n]->dev.parent = pcf->dev; + + mangle_glamo_res_by_system_rev(); + platform_add_devices(gta02_devices_pmu_children, + ARRAY_SIZE(gta02_devices_pmu_children)); + + regulator_has_full_constraints(); +} + +static void gta02_poweroff(void) +{ + pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, + PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY); +} + + +/* On hardware rev 5 and earlier the leds are missing a resistor and reading + * from their gpio pins will always return 0, so we have to shadow the + * led states software */ +static unsigned long gpb_shadow; +extern struct s3c_gpio_chip s3c24xx_gpios[]; + +static void gta02_gpb_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + void __iomem *base = S3C24XX_GPIO_BASE(S3C2410_GPB0); + unsigned long flags; + unsigned long dat; + + local_irq_save(flags); + + dat = __raw_readl(base + 0x04) | gpb_shadow; + dat &= ~(1 << offset); + gpb_shadow &= ~(1 << offset); + if (value) { + dat |= 1 << offset; + switch (offset) { + case 0 ... 2: + gpb_shadow |= 1 << offset; + break; + default: + break; + } + } + __raw_writel(dat, base + 0x04); + + local_irq_restore(flags); +} + +static int gta02_gpb_get(struct gpio_chip *chip, unsigned offset) +{ + void __iomem *base = S3C24XX_GPIO_BASE(S3C2410_GPB0); + unsigned long val; + + val = __raw_readl(base + 0x04) | gpb_shadow; + val >>= offset; + val &= 1; + + return val; +} + +static void gta02_hijack_gpb(void) { + s3c24xx_gpios[1].chip.set = gta02_gpb_set; + s3c24xx_gpios[1].chip.get = gta02_gpb_get; +} + +static void __init gta02_machine_init(void) +{ + int rc; + + /* set the panic callback to make AUX blink fast */ + panic_blink = gta02_panic_blink; + + switch (S3C_SYSTEM_REV_ATAG) { + case GTA02v6_SYSTEM_REV: + /* we need push-pull interrupt from motion sensors */ + lis302_pdata_top.open_drain = 0; + lis302_pdata_bottom.open_drain = 0; + break; + default: + break; + } + if (S3C_SYSTEM_REV_ATAG <= GTA02v5_SYSTEM_REV) + gta02_hijack_gpb(); + + spin_lock_init(&motion_irq_lock); + +#ifdef CONFIG_CHARGER_PCF50633 + INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker); +#endif + + /* Glamo chip select optimization */ +/* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */ + + /* do not force soft ecc if we are asked to use hardware_ecc */ + if (hardware_ecc_str[0] == '1') + gta02_nand_info.software_ecc = 0; + + s3c_device_usb.dev.platform_data = >a02_usb_info; + s3c_device_nand.dev.platform_data = >a02_nand_info; + s3c_device_sdi.dev.platform_data = >a02_s3c_mmc_cfg; + + /* acc sensor chip selects */ + s3c2410_gpio_setpin(S3C2410_GPD12, 1); + s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT); + s3c2410_gpio_setpin(S3C2410_GPD13, 1); + s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT); + + + s3c24xx_udc_set_platdata(>a02_udc_cfg); + s3c_i2c0_set_platdata(NULL); + set_s3c2410ts_info(>a02_ts_cfg); + + mangle_glamo_res_by_system_rev(); + + i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs)); + spi_register_board_info(gta02_spi_board_info, + ARRAY_SIZE(gta02_spi_board_info)); + +#ifdef CONFIG_CHARGER_PCF50633 + mangle_pmu_pdata_by_system_rev(); +#endif + + platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); + + s3c_pm_init(); + + /* Make sure the modem can wake us up */ + set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING); + rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED, + "modem", NULL); + if (rc < 0) + printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n"); + enable_irq_wake(GTA02_IRQ_MODEM); + + /* Make sure the wifi module can wake us up*/ + set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING); + rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED, + "ar6000", NULL); + + if (rc < 0) + printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n"); + enable_irq_wake(GTA02_IRQ_WLAN_GPIO1); + + pm_power_off = gta02_poweroff; + + /* Register the HDQ and vibrator as children of pwm device */ +#ifdef CONFIG_HDQ_GPIO_BITBANG + gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev; + platform_device_register(>a02_hdq_device); +#endif +#ifdef CONFIG_LEDS_GTA02_VIBRATOR + gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev; + platform_device_register(>a02_vibrator_dev); +#endif +} + +void DEBUG_LED(int n) +{ + switch (n) { + case 0: + s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED1, 1); + break; + case 1: + s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED2, 1); + break; + default: + s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, 1); + break; + } +} +EXPORT_SYMBOL_GPL(DEBUG_LED); + +MACHINE_START(NEO1973_GTA02, "GTA02") + .phys_io = S3C2410_PA_UART, + .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, + .boot_params = S3C2410_SDRAM_PA + 0x100, + .map_io = gta02_map_io, + .init_irq = s3c24xx_init_irq, + .init_machine = gta02_machine_init, + .timer = &s3c24xx_timer, +MACHINE_END |