mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 16:39:35 +00:00
127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
/*
|
|
* drivers/usb/gadget/s3c_udc.h
|
|
* Samsung S3C on-chip full/high speed USB device controllers
|
|
* Copyright (C) 2005 for Samsung Electronics
|
|
*
|
|
* 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
|
|
*
|
|
*/
|
|
|
|
#ifndef __S3C_USB_GADGET
|
|
#define __S3C_USB_GADGET
|
|
|
|
#include <asm/errno.h>
|
|
#include <linux/usb/ch9.h>
|
|
#include <linux/usb/gadget.h>
|
|
#include <linux/list.h>
|
|
#include <usb/lin_gadget_compat.h>
|
|
|
|
#define PHY0_SLEEP (1 << 5)
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
/* DMA bounce buffer size, 16K is enough even for mass storage */
|
|
#define DMA_BUFFER_SIZE (4096*4)
|
|
|
|
#define EP0_FIFO_SIZE 64
|
|
#define EP_FIFO_SIZE 512
|
|
#define EP_FIFO_SIZE2 1024
|
|
/* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */
|
|
#define S3C_MAX_ENDPOINTS 4
|
|
#define S3C_MAX_HW_ENDPOINTS 16
|
|
|
|
#define WAIT_FOR_SETUP 0
|
|
#define DATA_STATE_XMIT 1
|
|
#define DATA_STATE_NEED_ZLP 2
|
|
#define WAIT_FOR_OUT_STATUS 3
|
|
#define DATA_STATE_RECV 4
|
|
#define WAIT_FOR_COMPLETE 5
|
|
#define WAIT_FOR_OUT_COMPLETE 6
|
|
#define WAIT_FOR_IN_COMPLETE 7
|
|
#define WAIT_FOR_NULL_COMPLETE 8
|
|
|
|
#define TEST_J_SEL 0x1
|
|
#define TEST_K_SEL 0x2
|
|
#define TEST_SE0_NAK_SEL 0x3
|
|
#define TEST_PACKET_SEL 0x4
|
|
#define TEST_FORCE_ENABLE_SEL 0x5
|
|
|
|
/* ************************************************************************* */
|
|
/* IO
|
|
*/
|
|
|
|
enum ep_type {
|
|
ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
|
|
};
|
|
|
|
struct s3c_ep {
|
|
struct usb_ep ep;
|
|
struct s3c_udc *dev;
|
|
|
|
const struct usb_endpoint_descriptor *desc;
|
|
struct list_head queue;
|
|
unsigned long pio_irqs;
|
|
int len;
|
|
void *dma_buf;
|
|
|
|
u8 stopped;
|
|
u8 bEndpointAddress;
|
|
u8 bmAttributes;
|
|
|
|
enum ep_type ep_type;
|
|
int fifo_num;
|
|
};
|
|
|
|
struct s3c_request {
|
|
struct usb_request req;
|
|
struct list_head queue;
|
|
};
|
|
|
|
struct s3c_udc {
|
|
struct usb_gadget gadget;
|
|
struct usb_gadget_driver *driver;
|
|
|
|
struct s3c_plat_otg_data *pdata;
|
|
|
|
void *dma_buf[S3C_MAX_ENDPOINTS+1];
|
|
dma_addr_t dma_addr[S3C_MAX_ENDPOINTS+1];
|
|
|
|
int ep0state;
|
|
struct s3c_ep ep[S3C_MAX_ENDPOINTS];
|
|
|
|
unsigned char usb_address;
|
|
|
|
unsigned req_pending:1, req_std:1;
|
|
};
|
|
|
|
extern struct s3c_udc *the_controller;
|
|
|
|
#define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN)
|
|
#define ep_index(EP) ((EP)->bEndpointAddress&0xF)
|
|
#define ep_maxpacket(EP) ((EP)->ep.maxpacket)
|
|
|
|
extern void otg_phy_init(struct s3c_udc *dev);
|
|
extern void otg_phy_off(struct s3c_udc *dev);
|
|
|
|
extern void s3c_udc_ep_set_stall(struct s3c_ep *ep);
|
|
extern int s3c_udc_probe(struct s3c_plat_otg_data *pdata);
|
|
|
|
struct s3c_plat_otg_data {
|
|
int (*phy_control)(int on);
|
|
unsigned int regs_phy;
|
|
unsigned int regs_otg;
|
|
unsigned int usb_phy_ctrl;
|
|
unsigned int usb_flags;
|
|
};
|
|
#endif
|