2 #ifndef __LINUX_se401_H
3 #define __LINUX_se401_H
5 #include <asm/uaccess.h>
6 #include <linux/videodev.h>
7 #include <linux/smp_lock.h>
9 #define se401_DEBUG /* Turn on debug messages */
12 # define PDEBUG(level, fmt, args...) \
13 if (debug >= level) info("[" __PRETTY_FUNCTION__ ":%d] " fmt, __LINE__ , ## args)
15 # define PDEBUG(level, fmt, args...) do {} while(0)
18 /* An almost drop-in replacement for sleep_on_interruptible */
19 #define wait_interruptible(test, queue, wait) \
21 add_wait_queue(queue, wait); \
22 set_current_state(TASK_INTERRUPTIBLE); \
25 remove_wait_queue(queue, wait); \
26 set_current_state(TASK_RUNNING); \
27 if (signal_pending(current)) \
31 #define SE401_REQ_GET_CAMERA_DESCRIPTOR 0x06
32 #define SE401_REQ_START_CONTINUOUS_CAPTURE 0x41
33 #define SE401_REQ_STOP_CONTINUOUS_CAPTURE 0x42
34 #define SE401_REQ_CAPTURE_FRAME 0x43
35 #define SE401_REQ_GET_BRT 0x44
36 #define SE401_REQ_SET_BRT 0x45
37 #define SE401_REQ_GET_WIDTH 0x4c
38 #define SE401_REQ_SET_WIDTH 0x4d
39 #define SE401_REQ_GET_HEIGHT 0x4e
40 #define SE401_REQ_SET_HEIGHT 0x4f
41 #define SE401_REQ_GET_OUTPUT_MODE 0x50
42 #define SE401_REQ_SET_OUTPUT_MODE 0x51
43 #define SE401_REQ_GET_EXT_FEATURE 0x52
44 #define SE401_REQ_SET_EXT_FEATURE 0x53
45 #define SE401_REQ_CAMERA_POWER 0x56
46 #define SE401_REQ_LED_CONTROL 0x57
47 #define SE401_REQ_BIOS 0xff
49 #define SE401_BIOS_READ 0x07
51 #define SE401_FORMAT_BAYER 0x40
53 /* Hyundai hv7131b registers
54 7121 and 7141 should be the same (haven't really checked...) */
56 #define HV7131_REG_MODE_A 0x00
57 #define HV7131_REG_MODE_B 0x01
58 #define HV7131_REG_MODE_C 0x02
59 /* Frame registers: */
60 #define HV7131_REG_FRSU 0x10
61 #define HV7131_REG_FRSL 0x11
62 #define HV7131_REG_FCSU 0x12
63 #define HV7131_REG_FCSL 0x13
64 #define HV7131_REG_FWHU 0x14
65 #define HV7131_REG_FWHL 0x15
66 #define HV7131_REG_FWWU 0x16
67 #define HV7131_REG_FWWL 0x17
68 /* Timing registers: */
69 #define HV7131_REG_THBU 0x20
70 #define HV7131_REG_THBL 0x21
71 #define HV7131_REG_TVBU 0x22
72 #define HV7131_REG_TVBL 0x23
73 #define HV7131_REG_TITU 0x25
74 #define HV7131_REG_TITM 0x26
75 #define HV7131_REG_TITL 0x27
76 #define HV7131_REG_TMCD 0x28
77 /* Adjust Registers: */
78 #define HV7131_REG_ARLV 0x30
79 #define HV7131_REG_ARCG 0x31
80 #define HV7131_REG_AGCG 0x32
81 #define HV7131_REG_ABCG 0x33
82 #define HV7131_REG_APBV 0x34
83 #define HV7131_REG_ASLP 0x54
84 /* Offset Registers: */
85 #define HV7131_REG_OFSR 0x50
86 #define HV7131_REG_OFSG 0x51
87 #define HV7131_REG_OFSB 0x52
88 /* REset level statistics registers: */
89 #define HV7131_REG_LOREFNOH 0x57
90 #define HV7131_REG_LOREFNOL 0x58
91 #define HV7131_REG_HIREFNOH 0x59
92 #define HV7131_REG_HIREFNOL 0x5a
95 #define SE401_OPERATINGMODE 0x2000
98 /* size of usb transfers */
99 #define SE401_PACKETSIZE 4096
100 /* number of queued bulk transfers to use, should be about 8 */
101 #define SE401_NUMSBUF 1
102 /* read the usb specs for this one :) */
103 #define SE401_VIDEO_ENDPOINT 1
104 #define SE401_BUTTON_ENDPOINT 2
105 /* number of frames supported by the v4l part */
106 #define SE401_NUMFRAMES 2
107 /* scratch buffers for passing data to the decoders */
108 #define SE401_NUMSCRATCH 32
109 /* maximum amount of data in a JangGu packet */
110 #define SE401_VLCDATALEN 1024
111 /* number of nul sized packets to receive before kicking the camera */
112 #define SE401_MAX_NULLPACKETS 4000
113 /* number of decoding errors before kicking the camera */
114 #define SE401_MAX_ERRORS 200
123 FRAME_UNUSED, /* Unused (no MCAPTURE) */
124 FRAME_READY, /* Ready to start grabbing */
125 FRAME_GRABBING, /* In the process of being grabbed into */
126 FRAME_DONE, /* Finished grabbing, but not been synced yet */
127 FRAME_ERROR, /* Something bad happened while processing */
142 struct se401_scratch {
150 unsigned char *data; /* Frame buffer */
152 volatile int grabstate; /* State of grabbing */
154 unsigned char *curline;
160 struct video_device vdev;
162 /* Device structure */
163 struct usb_device *dev;
186 int cwidth; /* current width */
187 int cheight; /* current height */
190 int cframesize; /* current framesize */
192 struct semaphore lock;
193 int user; /* user count for exclusive use */
194 int removed; /* device disconnected */
196 int streaming; /* Are we streaming video? */
198 char *fbuf; /* Videodev buffer area */
200 struct urb *urb[SE401_NUMSBUF];
206 int curframe; /* Current receiving frame */
207 struct se401_frame frame[SE401_NUMFRAMES];
215 int scratch_overflow;
216 struct se401_scratch scratch[SE401_NUMSCRATCH];
218 /* Decoder specific data: */
219 unsigned char vlcdata[SE401_VLCDATALEN];
223 struct se401_sbuf sbuf[SE401_NUMSBUF];
225 wait_queue_head_t wq; /* Processes waiting */