diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/mach-common/usb_tio.h')
-rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/mach-common/usb_tio.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/mach-common/usb_tio.h b/target/linux/ubicom32/files/arch/ubicom32/mach-common/usb_tio.h new file mode 100644 index 000000000..a88ea18d5 --- /dev/null +++ b/target/linux/ubicom32/files/arch/ubicom32/mach-common/usb_tio.h @@ -0,0 +1,111 @@ +/* + * arch/ubicom32/mach-common/usb_tio.h + * Definitions for usb_tio.c + * + * (C) Copyright 2009, Ubicom, Inc. + * + * This file is part of the Ubicom32 Linux Kernel Port. + * + * The Ubicom32 Linux Kernel Port 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. + * + * The Ubicom32 Linux Kernel Port 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 the Ubicom32 Linux Kernel Port. If not, + * see <http://www.gnu.org/licenses/>. + * + * Ubicom32 implementation derived from (with many thanks): + * arch/m68knommu + * arch/blackfin + * arch/parisc + */ + +#include <linux/version.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <asm/devtree.h> +#include <asm/ip5000.h> + +#ifndef _USB_TIO_H +#define _USB_TIO_H + +#undef USB_TIO_DEBUG + +#define USB_TIO_REQUEST_MAGIC1 0x2307 +#define USB_TIO_REQUEST_MAGIC2 0x0789 +#if defined(USB_TIO_DEBUG) +#define USB_TIO_REQUEST_VERIFY_MAGIC(req) usb_tio_request_verify_magic(req) +#define USB_TIO_REQUEST_SET_MAGIC(req) usb_tio_request_set_magic(req) +#define USB_TIO_REQUEST_CLEAR_MAGIC(req) usb_tio_request_clear_magic(req) +#else +#define USB_TIO_REQUEST_VERIFY_MAGIC(req) +#define USB_TIO_REQUEST_SET_MAGIC(req) usb_tio_request_set_magic(req) +#define USB_TIO_REQUEST_CLEAR_MAGIC(req) +#endif + +enum USB_TIO_status { + USB_TIO_OK, + USB_TIO_ERROR, + USB_TIO_ERROR_COMMIT, +}; + +enum USB_TIO_cmds { + USB_TIO_READ16_SYNC, + USB_TIO_READ8_SYNC, + USB_TIO_READ_FIFO_SYNC, + + USB_TIO_WRITE16_ASYNC, + USB_TIO_WRITE8_ASYNC, + USB_TIO_WRITE_FIFO_ASYNC, + + USB_TIO_WRITE16_SYNC, + USB_TIO_WRITE8_SYNC, + USB_TIO_WRITE_FIFO_SYNC, + +}; + +enum USB_TIO_state { + USB_TIO_NORMAL, + USB_TIO_DMA_SETUP, +}; + +struct usb_tio_request { + volatile u32_t address; + union { + volatile u32_t data; + volatile u32_t buffer; + }; + volatile u16_t cmd; + const volatile u16_t status; + volatile u32_t transfer_length; + volatile u32_t thread_mask; + volatile u16_t magic; +}; + +struct usbtio_node { + struct devtree_node dn; + volatile struct usb_tio_request * volatile pdesc; + struct usb_tio_request request; + volatile u32_t usb_vp_config; + volatile u32_t usb_vp_control; + const volatile u32_t usb_vp_status; + volatile u16_t usb_vp_hw_int_tx; + volatile u16_t usb_vp_hw_int_rx; + volatile u8_t usb_vp_hw_int_usb; + volatile u8_t usb_vp_hw_int_mask_usb; + volatile u16_t usb_vp_hw_int_mask_tx; + volatile u16_t usb_vp_hw_int_mask_rx; + +}; + +extern struct usbtio_node *usb_node; +extern void ubi32_usb_init(void); +#endif |