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diff --git a/drivers/media/video/et61x251/et61x251.h b/drivers/media/video/et61x251/et61x251.h
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1/***************************************************************************
2 * V4L2 driver for ET61X[12]51 PC Camera Controllers *
3 * *
4 * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
5 * *
6 * This program is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the Free Software *
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
19 ***************************************************************************/
20
21#ifndef _ET61X251_H_
22#define _ET61X251_H_
23
24#include <linux/version.h>
25#include <linux/usb.h>
26#include <linux/videodev2.h>
27#include <media/v4l2-common.h>
28#include <linux/device.h>
29#include <linux/list.h>
30#include <linux/spinlock.h>
31#include <linux/time.h>
32#include <linux/wait.h>
33#include <linux/types.h>
34#include <linux/param.h>
35#include <linux/rwsem.h>
36#include <linux/mutex.h>
37#include <linux/stddef.h>
38#include <linux/string.h>
39
40#include "et61x251_sensor.h"
41
42/*****************************************************************************/
43
44#define ET61X251_DEBUG
45#define ET61X251_DEBUG_LEVEL 2
46#define ET61X251_MAX_DEVICES 64
47#define ET61X251_PRESERVE_IMGSCALE 0
48#define ET61X251_FORCE_MUNMAP 0
49#define ET61X251_MAX_FRAMES 32
50#define ET61X251_COMPRESSION_QUALITY 0
51#define ET61X251_URBS 2
52#define ET61X251_ISO_PACKETS 7
53#define ET61X251_ALTERNATE_SETTING 13
54#define ET61X251_URB_TIMEOUT msecs_to_jiffies(2 * ET61X251_ISO_PACKETS)
55#define ET61X251_CTRL_TIMEOUT 100
56#define ET61X251_FRAME_TIMEOUT 2
57
58/*****************************************************************************/
59
60static const struct usb_device_id et61x251_id_table[] = {
61 { USB_DEVICE(0x102c, 0x6151), },
62 { USB_DEVICE(0x102c, 0x6251), },
63 { USB_DEVICE(0x102c, 0x6253), },
64 { USB_DEVICE(0x102c, 0x6254), },
65 { USB_DEVICE(0x102c, 0x6255), },
66 { USB_DEVICE(0x102c, 0x6256), },
67 { USB_DEVICE(0x102c, 0x6257), },
68 { USB_DEVICE(0x102c, 0x6258), },
69 { USB_DEVICE(0x102c, 0x6259), },
70 { USB_DEVICE(0x102c, 0x625a), },
71 { USB_DEVICE(0x102c, 0x625b), },
72 { USB_DEVICE(0x102c, 0x625c), },
73 { USB_DEVICE(0x102c, 0x625d), },
74 { USB_DEVICE(0x102c, 0x625e), },
75 { USB_DEVICE(0x102c, 0x625f), },
76 { USB_DEVICE(0x102c, 0x6260), },
77 { USB_DEVICE(0x102c, 0x6261), },
78 { USB_DEVICE(0x102c, 0x6262), },
79 { USB_DEVICE(0x102c, 0x6263), },
80 { USB_DEVICE(0x102c, 0x6264), },
81 { USB_DEVICE(0x102c, 0x6265), },
82 { USB_DEVICE(0x102c, 0x6266), },
83 { USB_DEVICE(0x102c, 0x6267), },
84 { USB_DEVICE(0x102c, 0x6268), },
85 { USB_DEVICE(0x102c, 0x6269), },
86 { }
87};
88
89ET61X251_SENSOR_TABLE
90
91/*****************************************************************************/
92
93enum et61x251_frame_state {
94 F_UNUSED,
95 F_QUEUED,
96 F_GRABBING,
97 F_DONE,
98 F_ERROR,
99};
100
101struct et61x251_frame_t {
102 void* bufmem;
103 struct v4l2_buffer buf;
104 enum et61x251_frame_state state;
105 struct list_head frame;
106 unsigned long vma_use_count;
107};
108
109enum et61x251_dev_state {
110 DEV_INITIALIZED = 0x01,
111 DEV_DISCONNECTED = 0x02,
112 DEV_MISCONFIGURED = 0x04,
113};
114
115enum et61x251_io_method {
116 IO_NONE,
117 IO_READ,
118 IO_MMAP,
119};
120
121enum et61x251_stream_state {
122 STREAM_OFF,
123 STREAM_INTERRUPT,
124 STREAM_ON,
125};
126
127struct et61x251_sysfs_attr {
128 u8 reg, i2c_reg;
129};
130
131struct et61x251_module_param {
132 u8 force_munmap;
133 u16 frame_timeout;
134};
135
136static DEFINE_MUTEX(et61x251_sysfs_lock);
137static DECLARE_RWSEM(et61x251_disconnect);
138
139struct et61x251_device {
140 struct video_device* v4ldev;
141
142 struct et61x251_sensor sensor;
143
144 struct usb_device* usbdev;
145 struct urb* urb[ET61X251_URBS];
146 void* transfer_buffer[ET61X251_URBS];
147 u8* control_buffer;
148
149 struct et61x251_frame_t *frame_current, frame[ET61X251_MAX_FRAMES];
150 struct list_head inqueue, outqueue;
151 u32 frame_count, nbuffers, nreadbuffers;
152
153 enum et61x251_io_method io;
154 enum et61x251_stream_state stream;
155
156 struct v4l2_jpegcompression compression;
157
158 struct et61x251_sysfs_attr sysfs;
159 struct et61x251_module_param module_param;
160
161 enum et61x251_dev_state state;
162 u8 users;
163
164 struct mutex dev_mutex, fileop_mutex;
165 spinlock_t queue_lock;
166 wait_queue_head_t open, wait_frame, wait_stream;
167};
168
169/*****************************************************************************/
170
171struct et61x251_device*
172et61x251_match_id(struct et61x251_device* cam, const struct usb_device_id *id)
173{
174 if (usb_match_id(usb_ifnum_to_if(cam->usbdev, 0), id))
175 return cam;
176
177 return NULL;
178}
179
180
181void
182et61x251_attach_sensor(struct et61x251_device* cam,
183 struct et61x251_sensor* sensor)
184{
185 memcpy(&cam->sensor, sensor, sizeof(struct et61x251_sensor));
186}
187
188/*****************************************************************************/
189
190#undef DBG
191#undef KDBG
192#ifdef ET61X251_DEBUG
193# define DBG(level, fmt, args...) \
194do { \
195 if (debug >= (level)) { \
196 if ((level) == 1) \
197 dev_err(&cam->usbdev->dev, fmt "\n", ## args); \
198 else if ((level) == 2) \
199 dev_info(&cam->usbdev->dev, fmt "\n", ## args); \
200 else if ((level) >= 3) \
201 dev_info(&cam->usbdev->dev, "[%s:%d] " fmt "\n", \
202 __FUNCTION__, __LINE__ , ## args); \
203 } \
204} while (0)
205# define KDBG(level, fmt, args...) \
206do { \
207 if (debug >= (level)) { \
208 if ((level) == 1 || (level) == 2) \
209 pr_info("et61x251: " fmt "\n", ## args); \
210 else if ((level) == 3) \
211 pr_debug("et61x251: [%s:%d] " fmt "\n", __FUNCTION__, \
212 __LINE__ , ## args); \
213 } \
214} while (0)
215# define V4LDBG(level, name, cmd) \
216do { \
217 if (debug >= (level)) \
218 v4l_print_ioctl(name, cmd); \
219} while (0)
220#else
221# define DBG(level, fmt, args...) do {;} while(0)
222# define KDBG(level, fmt, args...) do {;} while(0)
223# define V4LDBG(level, name, cmd) do {;} while(0)
224#endif
225
226#undef PDBG
227#define PDBG(fmt, args...) \
228dev_info(&cam->usbdev->dev, "[%s:%d] " fmt "\n", \
229 __FUNCTION__, __LINE__ , ## args)
230
231#undef PDBGG
232#define PDBGG(fmt, args...) do {;} while(0) /* placeholder */
233
234#endif /* _ET61X251_H_ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-11 13:23:31 -0500