2 * linux/drivers/usb/gadget/s3c2410_udc.h
3 * Samsung on-chip full speed USB device controllers
5 * Copyright (C) 2004-2007 Herbert Pƶtzl - Arnaud Patard
6 * Additional cleanups by Ben Dooks <ben-linux@fluff.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
14 #ifndef _S3C2410_UDC_H
15 #define _S3C2410_UDC_H
18 struct list_head queue
;
19 unsigned long last_io
; /* jiffies timestamp */
20 struct usb_gadget
*gadget
;
21 struct s3c2410_udc
*dev
;
25 unsigned short fifo_size
;
30 unsigned already_seen
: 1;
31 unsigned setup_stage
: 1;
35 /* Warning : ep0 has a fifo of 16 bytes */
36 /* Don't try to set 32 or 64 */
37 /* also testusb 14 fails wit 16 but is */
39 #define EP0_FIFO_SIZE 8
40 #define EP_FIFO_SIZE 64
41 #define DEFAULT_POWER_STATE 0x00
43 #define S3C2440_EP_FIFO_SIZE 128
45 static const char ep0name
[] = "ep0";
47 static const char *const ep_name
[] = {
48 ep0name
, /* everyone has ep0 */
49 /* s3c2410 four bidirectional bulk endpoints */
50 "ep1-bulk", "ep2-bulk", "ep3-bulk", "ep4-bulk",
53 #define S3C2410_ENDPOINTS ARRAY_SIZE(ep_name)
55 struct s3c2410_request
{
56 struct list_head queue
; /* ep's requests */
57 struct usb_request req
;
68 static const char *ep0states
[]= {
79 struct s3c2410_ep ep
[S3C2410_ENDPOINTS
];
81 struct usb_gadget gadget
;
82 struct usb_gadget_driver
*driver
;
83 struct s3c2410_request fifo_req
;
84 u8 fifo_buf
[EP_FIFO_SIZE
];
93 unsigned req_config
: 1;
94 unsigned req_pending
: 1;
96 struct dentry
*regs_info
;
98 #define to_s3c2410(g) (container_of((g), struct s3c2410_udc, gadget))
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