112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
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* arch/ubicom32/mach-common/usb_tio.h
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* Definitions for usb_tio.c
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*
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* (C) Copyright 2009, Ubicom, Inc.
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*
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* This file is part of the Ubicom32 Linux Kernel Port.
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*
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* The Ubicom32 Linux Kernel Port is free software: you can redistribute
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* it and/or modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 2 of the
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* License, or (at your option) any later version.
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*
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* The Ubicom32 Linux Kernel Port is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the Ubicom32 Linux Kernel Port. If not,
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* see <http://www.gnu.org/licenses/>.
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*
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* Ubicom32 implementation derived from (with many thanks):
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* arch/m68knommu
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* arch/blackfin
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* arch/parisc
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*/
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#include <linux/version.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/errno.h>
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#include <linux/err.h>
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#include <asm/devtree.h>
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#include <asm/ip5000.h>
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#ifndef _USB_TIO_H
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#define _USB_TIO_H
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#undef USB_TIO_DEBUG
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#define USB_TIO_REQUEST_MAGIC1 0x2307
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#define USB_TIO_REQUEST_MAGIC2 0x0789
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#if defined(USB_TIO_DEBUG)
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#define USB_TIO_REQUEST_VERIFY_MAGIC(req) usb_tio_request_verify_magic(req)
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#define USB_TIO_REQUEST_SET_MAGIC(req) usb_tio_request_set_magic(req)
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#define USB_TIO_REQUEST_CLEAR_MAGIC(req) usb_tio_request_clear_magic(req)
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#else
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#define USB_TIO_REQUEST_VERIFY_MAGIC(req)
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#define USB_TIO_REQUEST_SET_MAGIC(req) usb_tio_request_set_magic(req)
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#define USB_TIO_REQUEST_CLEAR_MAGIC(req)
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#endif
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enum USB_TIO_status {
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USB_TIO_OK,
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USB_TIO_ERROR,
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USB_TIO_ERROR_COMMIT,
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};
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enum USB_TIO_cmds {
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USB_TIO_READ16_SYNC,
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USB_TIO_READ8_SYNC,
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USB_TIO_READ_FIFO_SYNC,
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USB_TIO_WRITE16_ASYNC,
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USB_TIO_WRITE8_ASYNC,
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USB_TIO_WRITE_FIFO_ASYNC,
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USB_TIO_WRITE16_SYNC,
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USB_TIO_WRITE8_SYNC,
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USB_TIO_WRITE_FIFO_SYNC,
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};
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enum USB_TIO_state {
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USB_TIO_NORMAL,
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USB_TIO_DMA_SETUP,
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};
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struct usb_tio_request {
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volatile u32_t address;
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union {
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volatile u32_t data;
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volatile u32_t buffer;
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};
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volatile u16_t cmd;
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const volatile u16_t status;
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volatile u32_t transfer_length;
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volatile u32_t thread_mask;
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volatile u16_t magic;
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};
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struct usbtio_node {
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struct devtree_node dn;
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volatile struct usb_tio_request * volatile pdesc;
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struct usb_tio_request request;
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volatile u32_t usb_vp_config;
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volatile u32_t usb_vp_control;
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const volatile u32_t usb_vp_status;
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volatile u16_t usb_vp_hw_int_tx;
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volatile u16_t usb_vp_hw_int_rx;
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volatile u8_t usb_vp_hw_int_usb;
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volatile u8_t usb_vp_hw_int_mask_usb;
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volatile u16_t usb_vp_hw_int_mask_tx;
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volatile u16_t usb_vp_hw_int_mask_rx;
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};
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extern struct usbtio_node *usb_node;
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extern void ubi32_usb_init(void);
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#endif
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