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128 lines
3.3 KiB
C
128 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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* Copyright (C) 2005 for Samsung Electronics
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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 <asm/errno.h>
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#include <linux/usb/ch9.h>
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#include <linux/usb/gadget.h>
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#include <linux/list.h>
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#include <usb/lin_gadget_compat.h>
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#define PHY0_SLEEP (1 << 5)
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/*-------------------------------------------------------------------------*/
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/* DMA bounce buffer size, 16K is enough even for mass storage */
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#define DMA_BUFFER_SIZE (4096*4)
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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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/* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */
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#define S3C_MAX_ENDPOINTS 4
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#define S3C_MAX_HW_ENDPOINTS 16
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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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#define WAIT_FOR_COMPLETE 5
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#define WAIT_FOR_OUT_COMPLETE 6
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#define WAIT_FOR_IN_COMPLETE 7
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#define WAIT_FOR_NULL_COMPLETE 8
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#define TEST_J_SEL 0x1
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#define TEST_K_SEL 0x2
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#define TEST_SE0_NAK_SEL 0x3
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#define TEST_PACKET_SEL 0x4
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#define TEST_FORCE_ENABLE_SEL 0x5
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/* ************************************************************************* */
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/* IO
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*/
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enum ep_type {
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ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
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};
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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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int len;
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void *dma_buf;
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u8 stopped;
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u8 bEndpointAddress;
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u8 bmAttributes;
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enum ep_type ep_type;
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int fifo_num;
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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 s3c_plat_otg_data *pdata;
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void *dma_buf[S3C_MAX_ENDPOINTS+1];
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dma_addr_t dma_addr[S3C_MAX_ENDPOINTS+1];
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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;
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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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extern void otg_phy_init(struct s3c_udc *dev);
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extern void otg_phy_off(struct s3c_udc *dev);
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extern void s3c_udc_ep_set_stall(struct s3c_ep *ep);
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extern int s3c_udc_probe(struct s3c_plat_otg_data *pdata);
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struct s3c_plat_otg_data {
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int (*phy_control)(int on);
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unsigned int regs_phy;
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unsigned int regs_otg;
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unsigned int usb_phy_ctrl;
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unsigned int usb_flags;
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};
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#endif
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