2 #ifndef __LINUX_se401_H
3 #define __LINUX_se401_H
5 #include <linux/uaccess.h>
6 #include <linux/videodev.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 */