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1/*
2 * linux/drivers/usb/gadget/s3c2410_udc.h
3 * Samsung on-chip full speed USB device controllers
4 *
5 * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard
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.
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 struct usb_ep ep;
23 u8 num;
24
25 unsigned short fifo_size;
26 u8 bEndpointAddress;
27 u8 bmAttributes;
28
29 unsigned halted : 1;
30 unsigned already_seen : 1;
31 unsigned setup_stage : 1;
32};
33
34
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 */
38/* fine with 8 */
39#define EP0_FIFO_SIZE 8
40#define EP_FIFO_SIZE 64
41#define DEFAULT_POWER_STATE 0x00
42
43#define S3C2440_EP_FIFO_SIZE 128
44
45static const char ep0name [] = "ep0";
46
47static 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",
51};
52
53#define S3C2410_ENDPOINTS ARRAY_SIZE(ep_name)
54
55struct s3c2410_request {
56 struct list_head queue; /* ep's requests */
57 struct usb_request req;
58};
59
60enum ep0_state {
61 EP0_IDLE,
62 EP0_IN_DATA_PHASE,
63 EP0_OUT_DATA_PHASE,
64 EP0_END_XFER,
65 EP0_STALL,
66};
67
68static const char *ep0states[]= {
69 "EP0_IDLE",
70 "EP0_IN_DATA_PHASE",
71 "EP0_OUT_DATA_PHASE",
72 "EP0_END_XFER",
73 "EP0_STALL",
74};
75
76struct s3c2410_udc {
77 spinlock_t lock;
78
79 struct s3c2410_ep ep[S3C2410_ENDPOINTS];
80 int address;
81 struct usb_gadget gadget;
82 struct usb_gadget_driver *driver;
83 struct s3c2410_request fifo_req;
84 u8 fifo_buf[EP_FIFO_SIZE];
85 u16 devstatus;
86
87 u32 port_status;
88 int ep0state;
89
90 unsigned got_irq : 1;
91
92 unsigned req_std : 1;
93 unsigned req_config : 1;
94 unsigned req_pending : 1;
95 u8 vbus;
96 struct dentry *regs_info;
97};
98#define to_s3c2410(g) (container_of((g), struct s3c2410_udc, gadget))
99
100#endif
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * linux/drivers/usb/gadget/s3c2410_udc.h
4 * Samsung on-chip full speed USB device controllers
5 *
6 * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard
7 * Additional cleanups by Ben Dooks <ben-linux@fluff.org>
8 */
9
10#ifndef _S3C2410_UDC_H
11#define _S3C2410_UDC_H
12
13struct s3c2410_ep {
14 struct list_head queue;
15 unsigned long last_io; /* jiffies timestamp */
16 struct usb_gadget *gadget;
17 struct s3c2410_udc *dev;
18 struct usb_ep ep;
19 u8 num;
20
21 unsigned short fifo_size;
22 u8 bEndpointAddress;
23 u8 bmAttributes;
24
25 unsigned halted : 1;
26 unsigned already_seen : 1;
27 unsigned setup_stage : 1;
28};
29
30
31/* Warning : ep0 has a fifo of 16 bytes */
32/* Don't try to set 32 or 64 */
33/* also testusb 14 fails wit 16 but is */
34/* fine with 8 */
35#define EP0_FIFO_SIZE 8
36#define EP_FIFO_SIZE 64
37#define DEFAULT_POWER_STATE 0x00
38
39#define S3C2440_EP_FIFO_SIZE 128
40
41static const char ep0name [] = "ep0";
42
43static const char *const ep_name[] = {
44 ep0name, /* everyone has ep0 */
45 /* s3c2410 four bidirectional bulk endpoints */
46 "ep1-bulk", "ep2-bulk", "ep3-bulk", "ep4-bulk",
47};
48
49#define S3C2410_ENDPOINTS ARRAY_SIZE(ep_name)
50
51struct s3c2410_request {
52 struct list_head queue; /* ep's requests */
53 struct usb_request req;
54};
55
56enum ep0_state {
57 EP0_IDLE,
58 EP0_IN_DATA_PHASE,
59 EP0_OUT_DATA_PHASE,
60 EP0_END_XFER,
61 EP0_STALL,
62};
63
64static const char *ep0states[]= {
65 "EP0_IDLE",
66 "EP0_IN_DATA_PHASE",
67 "EP0_OUT_DATA_PHASE",
68 "EP0_END_XFER",
69 "EP0_STALL",
70};
71
72struct s3c2410_udc {
73 spinlock_t lock;
74
75 struct s3c2410_ep ep[S3C2410_ENDPOINTS];
76 int address;
77 struct usb_gadget gadget;
78 struct usb_gadget_driver *driver;
79 struct s3c2410_request fifo_req;
80 u8 fifo_buf[EP_FIFO_SIZE];
81 u16 devstatus;
82
83 u32 port_status;
84 int ep0state;
85
86 struct gpio_desc *vbus_gpiod;
87 struct gpio_desc *pullup_gpiod;
88
89 unsigned got_irq : 1;
90
91 unsigned req_std : 1;
92 unsigned req_config : 1;
93 unsigned req_pending : 1;
94 u8 vbus;
95 int irq;
96};
97#define to_s3c2410(g) (container_of((g), struct s3c2410_udc, gadget))
98
99#endif