Merge branch 'for-linus' of git://selinuxproject.org/~jmorris/linux-security
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / usb / gadget / s3c2410_udc.h
CommitLineData
3fc154b6
AP
1/*
2 * linux/drivers/usb/gadget/s3c2410_udc.h
3 * Samsung on-chip full speed USB device controllers
4 *
d36b6910 5 * Copyright (C) 2004-2007 Herbert Pƶtzl - Arnaud Patard
3fc154b6
AP
6 * Additional cleanups by Ben Dooks <ben-linux@fluff.org>
7 *
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.
3fc154b6
AP
12 */
13
14#ifndef _S3C2410_UDC_H
15#define _S3C2410_UDC_H
16
17struct s3c2410_ep {
18 struct list_head queue;
19 unsigned long last_io; /* jiffies timestamp */
20 struct usb_gadget *gadget;
21 struct s3c2410_udc *dev;
22 const struct usb_endpoint_descriptor *desc;
23 struct usb_ep ep;
24 u8 num;
25
26 unsigned short fifo_size;
27 u8 bEndpointAddress;
28 u8 bmAttributes;
29
30 unsigned halted : 1;
31 unsigned already_seen : 1;
32 unsigned setup_stage : 1;
33};
34
35
36/* Warning : ep0 has a fifo of 16 bytes */
37/* Don't try to set 32 or 64 */
38/* also testusb 14 fails wit 16 but is */
39/* fine with 8 */
40#define EP0_FIFO_SIZE 8
41#define EP_FIFO_SIZE 64
42#define DEFAULT_POWER_STATE 0x00
43
44#define S3C2440_EP_FIFO_SIZE 128
45
46static const char ep0name [] = "ep0";
47
48static const char *const ep_name[] = {
49 ep0name, /* everyone has ep0 */
50 /* s3c2410 four bidirectional bulk endpoints */
51 "ep1-bulk", "ep2-bulk", "ep3-bulk", "ep4-bulk",
52};
53
54#define S3C2410_ENDPOINTS ARRAY_SIZE(ep_name)
55
56struct s3c2410_request {
57 struct list_head queue; /* ep's requests */
58 struct usb_request req;
59};
60
61enum ep0_state {
62 EP0_IDLE,
63 EP0_IN_DATA_PHASE,
64 EP0_OUT_DATA_PHASE,
65 EP0_END_XFER,
66 EP0_STALL,
67};
68
69static const char *ep0states[]= {
70 "EP0_IDLE",
71 "EP0_IN_DATA_PHASE",
72 "EP0_OUT_DATA_PHASE",
73 "EP0_END_XFER",
74 "EP0_STALL",
75};
76
77struct s3c2410_udc {
78 spinlock_t lock;
79
80 struct s3c2410_ep ep[S3C2410_ENDPOINTS];
81 int address;
82 struct usb_gadget gadget;
83 struct usb_gadget_driver *driver;
84 struct s3c2410_request fifo_req;
85 u8 fifo_buf[EP_FIFO_SIZE];
86 u16 devstatus;
87
88 u32 port_status;
89 int ep0state;
90
91 unsigned got_irq : 1;
92
93 unsigned req_std : 1;
94 unsigned req_config : 1;
95 unsigned req_pending : 1;
96 u8 vbus;
97 struct dentry *regs_info;
98};
99
100#endif