135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
/*
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* drivers/usb/gadget/s3c-udc.h
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* Samsung S3C on-chip full/high speed USB device controllers
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* $Id: s3c-udc.h,v 1.2 2008/06/11 10:38:11 dasan Exp $*
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* Copyright (C) 2005 for Samsung Electronics
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* - by Jaswinder Singh Brar <jassi@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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 this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __S3C_USB_GADGET
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#define __S3C_USB_GADGET
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/ioport.h>
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#include <linux/types.h>
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#include <linux/version.h>
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#include <linux/errno.h>
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#include <linux/delay.h>
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#include <linux/sched.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/timer.h>
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#include <linux/list.h>
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#include <linux/interrupt.h>
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#include <linux/proc_fs.h>
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#include <linux/mm.h>
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#include <linux/device.h>
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#include <linux/dma-mapping.h>
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#include <asm/byteorder.h>
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#include <asm/dma.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/system.h>
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#include <asm/unaligned.h>
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#include <asm/hardware.h>
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//#include <asm/hardware/clock.h>
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#include <linux/usb/ch9.h>
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#include <linux/usb_gadget.h>
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// Max packet size
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#if defined(CONFIG_USB_GADGET_S3C_FS)
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#define EP0_FIFO_SIZE 8
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#define EP_FIFO_SIZE 64
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#define S3C_MAX_ENDPOINTS 5
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#elif defined(CONFIG_USB_GADGET_S3C_HS)
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#define EP0_FIFO_SIZE 64
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#define EP_FIFO_SIZE 512
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#define EP_FIFO_SIZE2 1024
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#define S3C_MAX_ENDPOINTS 9
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#else
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#define EP0_FIFO_SIZE 64
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#define EP_FIFO_SIZE 512
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#define EP_FIFO_SIZE2 1024
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#define S3C_MAX_ENDPOINTS 16
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#endif
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#define WAIT_FOR_SETUP 0
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#define DATA_STATE_XMIT 1
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#define DATA_STATE_NEED_ZLP 2
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#define WAIT_FOR_OUT_STATUS 3
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#define DATA_STATE_RECV 4
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/* ********************************************************************************************* */
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/* IO
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*/
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typedef enum ep_type {
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ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
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} ep_type_t;
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struct s3c_ep {
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struct usb_ep ep;
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struct s3c_udc *dev;
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const struct usb_endpoint_descriptor *desc;
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struct list_head queue;
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unsigned long pio_irqs;
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u8 stopped;
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u8 bEndpointAddress;
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u8 bmAttributes;
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ep_type_t ep_type;
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u32 fifo;
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#ifdef CONFIG_USB_GADGET_S3C_FS
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u32 csr1;
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u32 csr2;
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#endif
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};
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struct s3c_request {
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struct usb_request req;
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struct list_head queue;
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};
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struct s3c_udc {
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struct usb_gadget gadget;
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struct usb_gadget_driver *driver;
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//struct device *dev;
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struct platform_device *dev;
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spinlock_t lock;
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int ep0state;
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struct s3c_ep ep[S3C_MAX_ENDPOINTS];
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unsigned char usb_address;
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unsigned req_pending:1, req_std:1, req_config:1;
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};
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extern struct s3c_udc *the_controller;
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#define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN)==USB_DIR_IN)
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#define ep_index(EP) ((EP)->bEndpointAddress&0xF)
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#define ep_maxpacket(EP) ((EP)->ep.maxpacket)
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#endif
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