2 #ifndef __LINUX_se401_H
3 #define __LINUX_se401_H
5 #include <asm/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...) \
15 if (debug >= level) info("[" __PRETTY_FUNCTION__ ":%d] " fmt, __LINE__ , ## args)
17 # define PDEBUG(level, fmt, args...) do {} while(0)
20 /* An almost drop-in replacement for sleep_on_interruptible */
21 #define wait_interruptible(test, queue, wait) \
23 add_wait_queue(queue, wait); \
24 set_current_state(TASK_INTERRUPTIBLE); \
27 remove_wait_queue(queue, wait); \
28 set_current_state(TASK_RUNNING); \
29 if (signal_pending(current)) \
33 #define SE401_REQ_GET_CAMERA_DESCRIPTOR 0x06
34 #define SE401_REQ_START_CONTINUOUS_CAPTURE 0x41
35 #define SE401_REQ_STOP_CONTINUOUS_CAPTURE 0x42
36 #define SE401_REQ_CAPTURE_FRAME 0x43
37 #define SE401_REQ_GET_BRT 0x44
38 #define SE401_REQ_SET_BRT 0x45
39 #define SE401_REQ_GET_WIDTH 0x4c
40 #define SE401_REQ_SET_WIDTH 0x4d
41 #define SE401_REQ_GET_HEIGHT 0x4e
42 #define SE401_REQ_SET_HEIGHT 0x4f
43 #define SE401_REQ_GET_OUTPUT_MODE 0x50
44 #define SE401_REQ_SET_OUTPUT_MODE 0x51
45 #define SE401_REQ_GET_EXT_FEATURE 0x52
46 #define SE401_REQ_SET_EXT_FEATURE 0x53
47 #define SE401_REQ_CAMERA_POWER 0x56
48 #define SE401_REQ_LED_CONTROL 0x57
49 #define SE401_REQ_BIOS 0xff
51 #define SE401_BIOS_READ 0x07
53 #define SE401_FORMAT_BAYER 0x40
55 /* Hyundai hv7131b registers
56 7121 and 7141 should be the same (haven't really checked...) */
58 #define HV7131_REG_MODE_A 0x00
59 #define HV7131_REG_MODE_B 0x01
60 #define HV7131_REG_MODE_C 0x02
61 /* Frame registers: */
62 #define HV7131_REG_FRSU 0x10
63 #define HV7131_REG_FRSL 0x11
64 #define HV7131_REG_FCSU 0x12
65 #define HV7131_REG_FCSL 0x13
66 #define HV7131_REG_FWHU 0x14
67 #define HV7131_REG_FWHL 0x15
68 #define HV7131_REG_FWWU 0x16
69 #define HV7131_REG_FWWL 0x17
70 /* Timing registers: */
71 #define HV7131_REG_THBU 0x20
72 #define HV7131_REG_THBL 0x21
73 #define HV7131_REG_TVBU 0x22
74 #define HV7131_REG_TVBL 0x23
75 #define HV7131_REG_TITU 0x25
76 #define HV7131_REG_TITM 0x26
77 #define HV7131_REG_TITL 0x27
78 #define HV7131_REG_TMCD 0x28
79 /* Adjust Registers: */
80 #define HV7131_REG_ARLV 0x30
81 #define HV7131_REG_ARCG 0x31
82 #define HV7131_REG_AGCG 0x32
83 #define HV7131_REG_ABCG 0x33
84 #define HV7131_REG_APBV 0x34
85 #define HV7131_REG_ASLP 0x54
86 /* Offset Registers: */
87 #define HV7131_REG_OFSR 0x50
88 #define HV7131_REG_OFSG 0x51
89 #define HV7131_REG_OFSB 0x52
90 /* REset level statistics registers: */
91 #define HV7131_REG_LOREFNOH 0x57
92 #define HV7131_REG_LOREFNOL 0x58
93 #define HV7131_REG_HIREFNOH 0x59
94 #define HV7131_REG_HIREFNOL 0x5a
97 #define SE401_OPERATINGMODE 0x2000
100 /* size of usb transfers */
101 #define SE401_PACKETSIZE 4096
102 /* number of queued bulk transfers to use, should be about 8 */
103 #define SE401_NUMSBUF 1
104 /* read the usb specs for this one :) */
105 #define SE401_VIDEO_ENDPOINT 1
106 #define SE401_BUTTON_ENDPOINT 2
107 /* number of frames supported by the v4l part */
108 #define SE401_NUMFRAMES 2
109 /* scratch buffers for passing data to the decoders */
110 #define SE401_NUMSCRATCH 32
111 /* maximum amount of data in a JangGu packet */
112 #define SE401_VLCDATALEN 1024
113 /* number of nul sized packets to receive before kicking the camera */
114 #define SE401_MAX_NULLPACKETS 4000
115 /* number of decoding errors before kicking the camera */
116 #define SE401_MAX_ERRORS 200
125 FRAME_UNUSED, /* Unused (no MCAPTURE) */
126 FRAME_READY, /* Ready to start grabbing */
127 FRAME_GRABBING, /* In the process of being grabbed into */
128 FRAME_DONE, /* Finished grabbing, but not been synced yet */
129 FRAME_ERROR, /* Something bad happened while processing */
144 struct se401_scratch {
152 unsigned char *data; /* Frame buffer */
154 volatile int grabstate; /* State of grabbing */
156 unsigned char *curline;
162 struct video_device vdev;
164 /* Device structure */
165 struct usb_device *dev;
188 int cwidth; /* current width */
189 int cheight; /* current height */
192 int cframesize; /* current framesize */
195 int user; /* user count for exclusive use */
196 int removed; /* device disconnected */
198 int streaming; /* Are we streaming video? */
200 char *fbuf; /* Videodev buffer area */
202 struct urb *urb[SE401_NUMSBUF];
208 int curframe; /* Current receiving frame */
209 struct se401_frame frame[SE401_NUMFRAMES];
217 int scratch_overflow;
218 struct se401_scratch scratch[SE401_NUMSCRATCH];
220 /* Decoder specific data: */
221 unsigned char vlcdata[SE401_VLCDATALEN];
225 struct se401_sbuf sbuf[SE401_NUMSBUF];
227 wait_queue_head_t wq; /* Processes waiting */