Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | |
| 2 | #ifndef __LINUX_se401_H |
| 3 | #define __LINUX_se401_H |
| 4 | |
| 5 | #include <asm/uaccess.h> |
| 6 | #include <linux/videodev.h> |
| 7 | #include <linux/smp_lock.h> |
Arjan van de Ven | 4186ecf | 2006-01-11 15:55:29 +0100 | [diff] [blame^] | 8 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | |
| 10 | #define se401_DEBUG /* Turn on debug messages */ |
| 11 | |
| 12 | #ifdef se401_DEBUG |
| 13 | # define PDEBUG(level, fmt, args...) \ |
| 14 | if (debug >= level) info("[" __PRETTY_FUNCTION__ ":%d] " fmt, __LINE__ , ## args) |
| 15 | #else |
| 16 | # define PDEBUG(level, fmt, args...) do {} while(0) |
| 17 | #endif |
| 18 | |
| 19 | /* An almost drop-in replacement for sleep_on_interruptible */ |
| 20 | #define wait_interruptible(test, queue, wait) \ |
| 21 | { \ |
| 22 | add_wait_queue(queue, wait); \ |
| 23 | set_current_state(TASK_INTERRUPTIBLE); \ |
| 24 | if (test) \ |
| 25 | schedule(); \ |
| 26 | remove_wait_queue(queue, wait); \ |
| 27 | set_current_state(TASK_RUNNING); \ |
| 28 | if (signal_pending(current)) \ |
| 29 | break; \ |
| 30 | } |
| 31 | |
| 32 | #define SE401_REQ_GET_CAMERA_DESCRIPTOR 0x06 |
| 33 | #define SE401_REQ_START_CONTINUOUS_CAPTURE 0x41 |
| 34 | #define SE401_REQ_STOP_CONTINUOUS_CAPTURE 0x42 |
| 35 | #define SE401_REQ_CAPTURE_FRAME 0x43 |
| 36 | #define SE401_REQ_GET_BRT 0x44 |
| 37 | #define SE401_REQ_SET_BRT 0x45 |
| 38 | #define SE401_REQ_GET_WIDTH 0x4c |
| 39 | #define SE401_REQ_SET_WIDTH 0x4d |
| 40 | #define SE401_REQ_GET_HEIGHT 0x4e |
| 41 | #define SE401_REQ_SET_HEIGHT 0x4f |
| 42 | #define SE401_REQ_GET_OUTPUT_MODE 0x50 |
| 43 | #define SE401_REQ_SET_OUTPUT_MODE 0x51 |
| 44 | #define SE401_REQ_GET_EXT_FEATURE 0x52 |
| 45 | #define SE401_REQ_SET_EXT_FEATURE 0x53 |
| 46 | #define SE401_REQ_CAMERA_POWER 0x56 |
| 47 | #define SE401_REQ_LED_CONTROL 0x57 |
| 48 | #define SE401_REQ_BIOS 0xff |
| 49 | |
| 50 | #define SE401_BIOS_READ 0x07 |
| 51 | |
| 52 | #define SE401_FORMAT_BAYER 0x40 |
| 53 | |
| 54 | /* Hyundai hv7131b registers |
| 55 | 7121 and 7141 should be the same (haven't really checked...) */ |
| 56 | /* Mode registers: */ |
| 57 | #define HV7131_REG_MODE_A 0x00 |
| 58 | #define HV7131_REG_MODE_B 0x01 |
| 59 | #define HV7131_REG_MODE_C 0x02 |
| 60 | /* Frame registers: */ |
| 61 | #define HV7131_REG_FRSU 0x10 |
| 62 | #define HV7131_REG_FRSL 0x11 |
| 63 | #define HV7131_REG_FCSU 0x12 |
| 64 | #define HV7131_REG_FCSL 0x13 |
| 65 | #define HV7131_REG_FWHU 0x14 |
| 66 | #define HV7131_REG_FWHL 0x15 |
| 67 | #define HV7131_REG_FWWU 0x16 |
| 68 | #define HV7131_REG_FWWL 0x17 |
| 69 | /* Timing registers: */ |
| 70 | #define HV7131_REG_THBU 0x20 |
| 71 | #define HV7131_REG_THBL 0x21 |
| 72 | #define HV7131_REG_TVBU 0x22 |
| 73 | #define HV7131_REG_TVBL 0x23 |
| 74 | #define HV7131_REG_TITU 0x25 |
| 75 | #define HV7131_REG_TITM 0x26 |
| 76 | #define HV7131_REG_TITL 0x27 |
| 77 | #define HV7131_REG_TMCD 0x28 |
| 78 | /* Adjust Registers: */ |
| 79 | #define HV7131_REG_ARLV 0x30 |
| 80 | #define HV7131_REG_ARCG 0x31 |
| 81 | #define HV7131_REG_AGCG 0x32 |
| 82 | #define HV7131_REG_ABCG 0x33 |
| 83 | #define HV7131_REG_APBV 0x34 |
| 84 | #define HV7131_REG_ASLP 0x54 |
| 85 | /* Offset Registers: */ |
| 86 | #define HV7131_REG_OFSR 0x50 |
| 87 | #define HV7131_REG_OFSG 0x51 |
| 88 | #define HV7131_REG_OFSB 0x52 |
| 89 | /* REset level statistics registers: */ |
| 90 | #define HV7131_REG_LOREFNOH 0x57 |
| 91 | #define HV7131_REG_LOREFNOL 0x58 |
| 92 | #define HV7131_REG_HIREFNOH 0x59 |
| 93 | #define HV7131_REG_HIREFNOL 0x5a |
| 94 | |
| 95 | /* se401 registers */ |
| 96 | #define SE401_OPERATINGMODE 0x2000 |
| 97 | |
| 98 | |
| 99 | /* size of usb transfers */ |
| 100 | #define SE401_PACKETSIZE 4096 |
| 101 | /* number of queued bulk transfers to use, should be about 8 */ |
| 102 | #define SE401_NUMSBUF 1 |
| 103 | /* read the usb specs for this one :) */ |
| 104 | #define SE401_VIDEO_ENDPOINT 1 |
| 105 | #define SE401_BUTTON_ENDPOINT 2 |
| 106 | /* number of frames supported by the v4l part */ |
| 107 | #define SE401_NUMFRAMES 2 |
| 108 | /* scratch buffers for passing data to the decoders */ |
| 109 | #define SE401_NUMSCRATCH 32 |
| 110 | /* maximum amount of data in a JangGu packet */ |
| 111 | #define SE401_VLCDATALEN 1024 |
| 112 | /* number of nul sized packets to receive before kicking the camera */ |
| 113 | #define SE401_MAX_NULLPACKETS 4000 |
| 114 | /* number of decoding errors before kicking the camera */ |
| 115 | #define SE401_MAX_ERRORS 200 |
| 116 | |
| 117 | struct usb_device; |
| 118 | |
| 119 | struct se401_sbuf { |
| 120 | unsigned char *data; |
| 121 | }; |
| 122 | |
| 123 | enum { |
| 124 | FRAME_UNUSED, /* Unused (no MCAPTURE) */ |
| 125 | FRAME_READY, /* Ready to start grabbing */ |
| 126 | FRAME_GRABBING, /* In the process of being grabbed into */ |
| 127 | FRAME_DONE, /* Finished grabbing, but not been synced yet */ |
| 128 | FRAME_ERROR, /* Something bad happened while processing */ |
| 129 | }; |
| 130 | |
| 131 | enum { |
| 132 | FMT_BAYER, |
| 133 | FMT_JANGGU, |
| 134 | }; |
| 135 | |
| 136 | enum { |
| 137 | BUFFER_UNUSED, |
| 138 | BUFFER_READY, |
| 139 | BUFFER_BUSY, |
| 140 | BUFFER_DONE, |
| 141 | }; |
| 142 | |
| 143 | struct se401_scratch { |
| 144 | unsigned char *data; |
| 145 | volatile int state; |
| 146 | int offset; |
| 147 | int length; |
| 148 | }; |
| 149 | |
| 150 | struct se401_frame { |
| 151 | unsigned char *data; /* Frame buffer */ |
| 152 | |
| 153 | volatile int grabstate; /* State of grabbing */ |
| 154 | |
| 155 | unsigned char *curline; |
| 156 | int curlinepix; |
| 157 | int curpix; |
| 158 | }; |
| 159 | |
| 160 | struct usb_se401 { |
| 161 | struct video_device vdev; |
| 162 | |
| 163 | /* Device structure */ |
| 164 | struct usb_device *dev; |
| 165 | |
| 166 | unsigned char iface; |
| 167 | |
| 168 | char *camera_name; |
| 169 | |
| 170 | int change; |
| 171 | int brightness; |
| 172 | int hue; |
| 173 | int rgain; |
| 174 | int ggain; |
| 175 | int bgain; |
| 176 | int expose_h; |
| 177 | int expose_m; |
| 178 | int expose_l; |
| 179 | int resetlevel; |
| 180 | |
| 181 | int enhance; |
| 182 | |
| 183 | int format; |
| 184 | int sizes; |
| 185 | int *width; |
| 186 | int *height; |
| 187 | int cwidth; /* current width */ |
| 188 | int cheight; /* current height */ |
| 189 | int palette; |
| 190 | int maxframesize; |
| 191 | int cframesize; /* current framesize */ |
| 192 | |
Arjan van de Ven | 4186ecf | 2006-01-11 15:55:29 +0100 | [diff] [blame^] | 193 | struct mutex lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | int user; /* user count for exclusive use */ |
| 195 | int removed; /* device disconnected */ |
| 196 | |
| 197 | int streaming; /* Are we streaming video? */ |
| 198 | |
| 199 | char *fbuf; /* Videodev buffer area */ |
| 200 | |
| 201 | struct urb *urb[SE401_NUMSBUF]; |
| 202 | struct urb *inturb; |
| 203 | |
| 204 | int button; |
| 205 | int buttonpressed; |
| 206 | |
| 207 | int curframe; /* Current receiving frame */ |
| 208 | struct se401_frame frame[SE401_NUMFRAMES]; |
| 209 | int readcount; |
| 210 | int framecount; |
| 211 | int error; |
| 212 | int dropped; |
| 213 | |
| 214 | int scratch_next; |
| 215 | int scratch_use; |
| 216 | int scratch_overflow; |
| 217 | struct se401_scratch scratch[SE401_NUMSCRATCH]; |
| 218 | |
| 219 | /* Decoder specific data: */ |
| 220 | unsigned char vlcdata[SE401_VLCDATALEN]; |
| 221 | int vlcdatapos; |
| 222 | int bayeroffset; |
| 223 | |
| 224 | struct se401_sbuf sbuf[SE401_NUMSBUF]; |
| 225 | |
| 226 | wait_queue_head_t wq; /* Processes waiting */ |
| 227 | |
| 228 | int nullpackets; |
| 229 | }; |
| 230 | |
| 231 | |
| 232 | |
| 233 | #endif |
| 234 | |