2
#ifndef __LINUX_se401_H
3
#define __LINUX_se401_H
5
#include <linux/uaccess.h>
7
#include <media/v4l2-common.h>
8
#include <media/v4l2-ioctl.h>
9
#include <linux/mutex.h>
11
#define se401_DEBUG /* Turn on debug messages */
14
# define PDEBUG(level, fmt, args...) \
16
info("[" __PRETTY_FUNCTION__ ":%d] " fmt, __LINE__ , ## args)
18
# define PDEBUG(level, fmt, args...) do {} while (0)
21
/* An almost drop-in replacement for sleep_on_interruptible */
22
#define wait_interruptible(test, queue, wait) \
24
add_wait_queue(queue, wait); \
25
set_current_state(TASK_INTERRUPTIBLE); \
28
remove_wait_queue(queue, wait); \
29
set_current_state(TASK_RUNNING); \
30
if (signal_pending(current)) \
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
52
#define SE401_BIOS_READ 0x07
54
#define SE401_FORMAT_BAYER 0x40
56
/* Hyundai hv7131b registers
57
7121 and 7141 should be the same (haven't really checked...) */
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
98
#define SE401_OPERATINGMODE 0x2000
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
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 */
145
struct se401_scratch {
153
unsigned char *data; /* Frame buffer */
155
volatile int grabstate; /* State of grabbing */
157
unsigned char *curline;
163
struct video_device vdev;
165
/* Device structure */
166
struct usb_device *dev;
189
int cwidth; /* current width */
190
int cheight; /* current height */
193
int cframesize; /* current framesize */
196
int user; /* user count for exclusive use */
197
int removed; /* device disconnected */
199
int streaming; /* Are we streaming video? */
201
char *fbuf; /* Videodev buffer area */
203
struct urb *urb[SE401_NUMSBUF];
209
int curframe; /* Current receiving frame */
210
struct se401_frame frame[SE401_NUMFRAMES];
218
int scratch_overflow;
219
struct se401_scratch scratch[SE401_NUMSCRATCH];
221
/* Decoder specific data: */
222
unsigned char vlcdata[SE401_VLCDATALEN];
226
struct se401_sbuf sbuf[SE401_NUMSBUF];
228
wait_queue_head_t wq; /* Processes waiting */