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Linus Torvalds1da177e2005-04-16 15:20:36 -07001
2#ifndef __LINUX_se401_H
3#define __LINUX_se401_H
4
Alan Coxaae40fd2009-06-09 10:02:11 -03005#include <linux/uaccess.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07006#include <linux/videodev.h>
Mauro Carvalho Chehab5e87efa2006-06-05 10:26:32 -03007#include <media/v4l2-common.h>
Hans Verkuil35ea11f2008-07-20 08:12:02 -03008#include <media/v4l2-ioctl.h>
Arjan van de Ven4186ecf2006-01-11 15:55:29 +01009#include <linux/mutex.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070010
11#define se401_DEBUG /* Turn on debug messages */
12
13#ifdef se401_DEBUG
14# define PDEBUG(level, fmt, args...) \
Alan Coxaae40fd2009-06-09 10:02:11 -030015if (debug >= level) \
16 info("[" __PRETTY_FUNCTION__ ":%d] " fmt, __LINE__ , ## args)
Linus Torvalds1da177e2005-04-16 15:20:36 -070017#else
Alan Coxaae40fd2009-06-09 10:02:11 -030018# define PDEBUG(level, fmt, args...) do {} while (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#endif
20
21/* An almost drop-in replacement for sleep_on_interruptible */
22#define wait_interruptible(test, queue, wait) \
23{ \
24 add_wait_queue(queue, wait); \
25 set_current_state(TASK_INTERRUPTIBLE); \
26 if (test) \
27 schedule(); \
28 remove_wait_queue(queue, wait); \
29 set_current_state(TASK_RUNNING); \
30 if (signal_pending(current)) \
31 break; \
32}
33
34#define SE401_REQ_GET_CAMERA_DESCRIPTOR 0x06
35#define SE401_REQ_START_CONTINUOUS_CAPTURE 0x41
36#define SE401_REQ_STOP_CONTINUOUS_CAPTURE 0x42
37#define SE401_REQ_CAPTURE_FRAME 0x43
38#define SE401_REQ_GET_BRT 0x44
39#define SE401_REQ_SET_BRT 0x45
40#define SE401_REQ_GET_WIDTH 0x4c
41#define SE401_REQ_SET_WIDTH 0x4d
42#define SE401_REQ_GET_HEIGHT 0x4e
43#define SE401_REQ_SET_HEIGHT 0x4f
44#define SE401_REQ_GET_OUTPUT_MODE 0x50
45#define SE401_REQ_SET_OUTPUT_MODE 0x51
46#define SE401_REQ_GET_EXT_FEATURE 0x52
47#define SE401_REQ_SET_EXT_FEATURE 0x53
48#define SE401_REQ_CAMERA_POWER 0x56
49#define SE401_REQ_LED_CONTROL 0x57
50#define SE401_REQ_BIOS 0xff
51
52#define SE401_BIOS_READ 0x07
53
54#define SE401_FORMAT_BAYER 0x40
55
56/* Hyundai hv7131b registers
57 7121 and 7141 should be the same (haven't really checked...) */
58/* Mode registers: */
59#define HV7131_REG_MODE_A 0x00
60#define HV7131_REG_MODE_B 0x01
61#define HV7131_REG_MODE_C 0x02
62/* Frame registers: */
63#define HV7131_REG_FRSU 0x10
64#define HV7131_REG_FRSL 0x11
65#define HV7131_REG_FCSU 0x12
66#define HV7131_REG_FCSL 0x13
67#define HV7131_REG_FWHU 0x14
68#define HV7131_REG_FWHL 0x15
69#define HV7131_REG_FWWU 0x16
70#define HV7131_REG_FWWL 0x17
71/* Timing registers: */
72#define HV7131_REG_THBU 0x20
73#define HV7131_REG_THBL 0x21
74#define HV7131_REG_TVBU 0x22
75#define HV7131_REG_TVBL 0x23
76#define HV7131_REG_TITU 0x25
77#define HV7131_REG_TITM 0x26
78#define HV7131_REG_TITL 0x27
79#define HV7131_REG_TMCD 0x28
80/* Adjust Registers: */
81#define HV7131_REG_ARLV 0x30
82#define HV7131_REG_ARCG 0x31
83#define HV7131_REG_AGCG 0x32
84#define HV7131_REG_ABCG 0x33
85#define HV7131_REG_APBV 0x34
86#define HV7131_REG_ASLP 0x54
87/* Offset Registers: */
88#define HV7131_REG_OFSR 0x50
89#define HV7131_REG_OFSG 0x51
90#define HV7131_REG_OFSB 0x52
91/* REset level statistics registers: */
92#define HV7131_REG_LOREFNOH 0x57
93#define HV7131_REG_LOREFNOL 0x58
94#define HV7131_REG_HIREFNOH 0x59
95#define HV7131_REG_HIREFNOL 0x5a
96
97/* se401 registers */
98#define SE401_OPERATINGMODE 0x2000
99
100
101/* size of usb transfers */
102#define SE401_PACKETSIZE 4096
103/* number of queued bulk transfers to use, should be about 8 */
104#define SE401_NUMSBUF 1
105/* read the usb specs for this one :) */
106#define SE401_VIDEO_ENDPOINT 1
107#define SE401_BUTTON_ENDPOINT 2
108/* number of frames supported by the v4l part */
109#define SE401_NUMFRAMES 2
110/* scratch buffers for passing data to the decoders */
111#define SE401_NUMSCRATCH 32
112/* maximum amount of data in a JangGu packet */
113#define SE401_VLCDATALEN 1024
114/* number of nul sized packets to receive before kicking the camera */
115#define SE401_MAX_NULLPACKETS 4000
116/* number of decoding errors before kicking the camera */
117#define SE401_MAX_ERRORS 200
118
119struct usb_device;
120
121struct se401_sbuf {
122 unsigned char *data;
123};
124
125enum {
126 FRAME_UNUSED, /* Unused (no MCAPTURE) */
127 FRAME_READY, /* Ready to start grabbing */
128 FRAME_GRABBING, /* In the process of being grabbed into */
129 FRAME_DONE, /* Finished grabbing, but not been synced yet */
130 FRAME_ERROR, /* Something bad happened while processing */
131};
132
133enum {
134 FMT_BAYER,
135 FMT_JANGGU,
136};
137
138enum {
139 BUFFER_UNUSED,
140 BUFFER_READY,
141 BUFFER_BUSY,
142 BUFFER_DONE,
143};
144
145struct se401_scratch {
146 unsigned char *data;
147 volatile int state;
148 int offset;
149 int length;
150};
151
152struct se401_frame {
153 unsigned char *data; /* Frame buffer */
154
155 volatile int grabstate; /* State of grabbing */
156
157 unsigned char *curline;
158 int curlinepix;
159 int curpix;
160};
161
162struct usb_se401 {
163 struct video_device vdev;
164
165 /* Device structure */
166 struct usb_device *dev;
167
168 unsigned char iface;
169
170 char *camera_name;
171
172 int change;
173 int brightness;
174 int hue;
175 int rgain;
176 int ggain;
177 int bgain;
178 int expose_h;
179 int expose_m;
180 int expose_l;
181 int resetlevel;
Mauro Carvalho Chehabd56410e2006-03-25 09:19:53 -0300182
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183 int enhance;
184
185 int format;
186 int sizes;
187 int *width;
188 int *height;
189 int cwidth; /* current width */
190 int cheight; /* current height */
191 int palette;
192 int maxframesize;
193 int cframesize; /* current framesize */
194
Arjan van de Ven4186ecf2006-01-11 15:55:29 +0100195 struct mutex lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700196 int user; /* user count for exclusive use */
197 int removed; /* device disconnected */
198
199 int streaming; /* Are we streaming video? */
200
201 char *fbuf; /* Videodev buffer area */
202
203 struct urb *urb[SE401_NUMSBUF];
204 struct urb *inturb;
Mauro Carvalho Chehabd56410e2006-03-25 09:19:53 -0300205
Linus Torvalds1da177e2005-04-16 15:20:36 -0700206 int button;
207 int buttonpressed;
208
209 int curframe; /* Current receiving frame */
Mauro Carvalho Chehabd56410e2006-03-25 09:19:53 -0300210 struct se401_frame frame[SE401_NUMFRAMES];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211 int readcount;
212 int framecount;
213 int error;
214 int dropped;
215
216 int scratch_next;
217 int scratch_use;
218 int scratch_overflow;
219 struct se401_scratch scratch[SE401_NUMSCRATCH];
220
221 /* Decoder specific data: */
222 unsigned char vlcdata[SE401_VLCDATALEN];
223 int vlcdatapos;
224 int bayeroffset;
225
226 struct se401_sbuf sbuf[SE401_NUMSBUF];
227
228 wait_queue_head_t wq; /* Processes waiting */
229
230 int nullpackets;
231};
232
233
234
235#endif
236