1 #ifndef __LINUX_VIDEODEV2_H 2 #define __LINUX_VIDEODEV2_H 3 /* 4 * Video for Linux Two 5 * 6 * Header file for v4l or V4L2 drivers and applications, for 7 * Linux kernels 2.2.x or 2.4.x. 8 * 9 * See http://bytesex.org/v4l/ for API specs and other 10 * v4l2 documentation. 11 * 12 * Author: Bill Dirks <bdirks@pacbell.net> 13 * Justin Schoeman 14 * et al. 15 */ 16 #ifdef __KERNEL__ 17 #include <linux/time.h> /* need struct timeval */ 18 #endif 19 #include <linux/compiler.h> /* need __user */ 20 21 /* 22 * M I S C E L L A N E O U S 23 */ 24 25 /* Four-character-code (FOURCC) */ 26 #define v4l2_fourcc(a,b,c,d)\ 27 (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24)) 28 29 /* 30 * E N U M S 31 */ 32 enum v4l2_field { 33 V4L2_FIELD_ANY = 0, /* driver can choose from none, 34 top, bottom, interlaced 35 depending on whatever it thinks 36 is approximate ... */ 37 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 38 V4L2_FIELD_TOP = 2, /* top field only */ 39 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 40 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 41 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 42 buffer, top-bottom order */ 43 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 44 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 45 separate buffers */ 46 }; 47 #define V4L2_FIELD_HAS_TOP(field) \ 48 ((field) == V4L2_FIELD_TOP ||\ 49 (field) == V4L2_FIELD_INTERLACED ||\ 50 (field) == V4L2_FIELD_SEQ_TB ||\ 51 (field) == V4L2_FIELD_SEQ_BT) 52 #define V4L2_FIELD_HAS_BOTTOM(field) \ 53 ((field) == V4L2_FIELD_BOTTOM ||\ 54 (field) == V4L2_FIELD_INTERLACED ||\ 55 (field) == V4L2_FIELD_SEQ_TB ||\ 56 (field) == V4L2_FIELD_SEQ_BT) 57 #define V4L2_FIELD_HAS_BOTH(field) \ 58 ((field) == V4L2_FIELD_INTERLACED ||\ 59 (field) == V4L2_FIELD_SEQ_TB ||\ 60 (field) == V4L2_FIELD_SEQ_BT) 61 62 enum v4l2_buf_type { 63 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 64 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 65 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 66 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 67 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 68 V4L2_BUF_TYPE_PRIVATE = 0x80, 69 }; 70 71 enum v4l2_ctrl_type { 72 V4L2_CTRL_TYPE_INTEGER = 1, 73 V4L2_CTRL_TYPE_BOOLEAN = 2, 74 V4L2_CTRL_TYPE_MENU = 3, 75 V4L2_CTRL_TYPE_BUTTON = 4, 76 }; 77 78 enum v4l2_tuner_type { 79 V4L2_TUNER_RADIO = 1, 80 V4L2_TUNER_ANALOG_TV = 2, 81 V4L2_TUNER_DIGITAL_TV = 3, 82 }; 83 84 enum v4l2_memory { 85 V4L2_MEMORY_MMAP = 1, 86 V4L2_MEMORY_USERPTR = 2, 87 V4L2_MEMORY_OVERLAY = 3, 88 }; 89 90 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 91 enum v4l2_colorspace { 92 /* ITU-R 601 -- broadcast NTSC/PAL */ 93 V4L2_COLORSPACE_SMPTE170M = 1, 94 95 /* 1125-Line (US) HDTV */ 96 V4L2_COLORSPACE_SMPTE240M = 2, 97 98 /* HD and modern captures. */ 99 V4L2_COLORSPACE_REC709 = 3, 100 101 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ 102 V4L2_COLORSPACE_BT878 = 4, 103 104 /* These should be useful. Assume 601 extents. */ 105 V4L2_COLORSPACE_470_SYSTEM_M = 5, 106 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 107 108 /* I know there will be cameras that send this. So, this is 109 * unspecified chromaticities and full 0-255 on each of the 110 * Y'CbCr components 111 */ 112 V4L2_COLORSPACE_JPEG = 7, 113 114 /* For RGB colourspaces, this is probably a good start. */ 115 V4L2_COLORSPACE_SRGB = 8, 116 }; 117 118 enum v4l2_priority { 119 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 120 V4L2_PRIORITY_BACKGROUND = 1, 121 V4L2_PRIORITY_INTERACTIVE = 2, 122 V4L2_PRIORITY_RECORD = 3, 123 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 124 }; 125 126 struct v4l2_rect { 127 __s32 left; 128 __s32 top; 129 __s32 width; 130 __s32 height; 131 }; 132 133 struct v4l2_fract { 134 __u32 numerator; 135 __u32 denominator; 136 }; 137 138 /* 139 * D R I V E R C A P A B I L I T I E S 140 */ 141 struct v4l2_capability 142 { 143 __u8 driver[16]; /* i.e. "bttv" */ 144 __u8 card[32]; /* i.e. "Hauppauge WinTV" */ 145 __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */ 146 __u32 version; /* should use KERNEL_VERSION() */ 147 __u32 capabilities; /* Device capabilities */ 148 __u32 reserved[4]; 149 }; 150 151 /* Values for 'capabilities' field */ 152 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 153 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 154 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 155 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a VBI capture device */ 156 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a VBI output device */ 157 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 158 159 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 160 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 161 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 162 163 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 164 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 165 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 166 167 /* 168 * V I D E O I M A G E F O R M A T 169 */ 170 171 struct v4l2_pix_format 172 { 173 __u32 width; 174 __u32 height; 175 __u32 pixelformat; 176 enum v4l2_field field; 177 __u32 bytesperline; /* for padding, zero if unused */ 178 __u32 sizeimage; 179 enum v4l2_colorspace colorspace; 180 __u32 priv; /* private data, depends on pixelformat */ 181 }; 182 183 /* Pixel format FOURCC depth Description */ 184 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */ 185 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */ 186 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */ 187 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */ 188 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */ 189 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */ 190 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */ 191 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */ 192 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */ 193 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */ 194 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */ 195 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */ 196 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */ 197 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */ 198 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */ 199 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */ 200 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */ 201 202 /* two planes -- one Y, one Cr + Cb interleaved */ 203 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */ 204 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */ 205 206 /* The following formats are not defined in the V4L2 specification */ 207 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */ 208 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */ 209 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */ 210 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */ 211 212 /* see http://www.siliconimaging.com/RGB%20Bayer.htm */ 213 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */ 214 215 /* compressed formats */ 216 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */ 217 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */ 218 #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */ 219 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */ 220 221 /* Vendor-specific formats */ 222 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */ 223 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */ 224 225 /* 226 * F O R M A T E N U M E R A T I O N 227 */ 228 struct v4l2_fmtdesc 229 { 230 __u32 index; /* Format number */ 231 enum v4l2_buf_type type; /* buffer type */ 232 __u32 flags; 233 __u8 description[32]; /* Description string */ 234 __u32 pixelformat; /* Format fourcc */ 235 __u32 reserved[4]; 236 }; 237 238 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 239 240 241 /* 242 * T I M E C O D E 243 */ 244 struct v4l2_timecode 245 { 246 __u32 type; 247 __u32 flags; 248 __u8 frames; 249 __u8 seconds; 250 __u8 minutes; 251 __u8 hours; 252 __u8 userbits[4]; 253 }; 254 255 /* Type */ 256 #define V4L2_TC_TYPE_24FPS 1 257 #define V4L2_TC_TYPE_25FPS 2 258 #define V4L2_TC_TYPE_30FPS 3 259 #define V4L2_TC_TYPE_50FPS 4 260 #define V4L2_TC_TYPE_60FPS 5 261 262 /* Flags */ 263 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 264 #define V4L2_TC_FLAG_COLORFRAME 0x0002 265 #define V4L2_TC_USERBITS_field 0x000C 266 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 267 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 268 /* The above is based on SMPTE timecodes */ 269 270 271 #if 1 272 /* 273 * M P E G C O M P R E S S I O N P A R A M E T E R S 274 * 275 * ### WARNING: this is still work-in-progress right now, most likely 276 * ### there will be some incompatible changes. 277 * 278 */ 279 280 281 enum v4l2_bitrate_mode { 282 V4L2_BITRATE_NONE = 0, /* not specified */ 283 V4L2_BITRATE_CBR, /* constant bitrate */ 284 V4L2_BITRATE_VBR, /* variable bitrate */ 285 }; 286 struct v4l2_bitrate { 287 /* rates are specified in kbit/sec */ 288 enum v4l2_bitrate_mode mode; 289 __u32 min; 290 __u32 target; /* use this one for CBR */ 291 __u32 max; 292 }; 293 294 enum v4l2_mpeg_streamtype { 295 V4L2_MPEG_SS_1, /* MPEG-1 system stream */ 296 V4L2_MPEG_PS_2, /* MPEG-2 program stream */ 297 V4L2_MPEG_TS_2, /* MPEG-2 transport stream */ 298 V4L2_MPEG_PS_DVD, /* MPEG-2 program stream with DVD header fixups */ 299 }; 300 enum v4l2_mpeg_audiotype { 301 V4L2_MPEG_AU_2_I, /* MPEG-2 layer 1 */ 302 V4L2_MPEG_AU_2_II, /* MPEG-2 layer 2 */ 303 V4L2_MPEG_AU_2_III, /* MPEG-2 layer 3 */ 304 V4L2_MPEG_AC3, /* AC3 */ 305 V4L2_MPEG_LPCM, /* LPCM */ 306 }; 307 enum v4l2_mpeg_videotype { 308 V4L2_MPEG_VI_1, /* MPEG-1 */ 309 V4L2_MPEG_VI_2, /* MPEG-2 */ 310 }; 311 enum v4l2_mpeg_aspectratio { 312 V4L2_MPEG_ASPECT_SQUARE = 1, /* square pixel */ 313 V4L2_MPEG_ASPECT_4_3 = 2, /* 4 : 3 */ 314 V4L2_MPEG_ASPECT_16_9 = 3, /* 16 : 9 */ 315 V4L2_MPEG_ASPECT_1_221 = 4, /* 1 : 2,21 */ 316 }; 317 318 struct v4l2_mpeg_compression { 319 /* general */ 320 enum v4l2_mpeg_streamtype st_type; 321 struct v4l2_bitrate st_bitrate; 322 323 /* transport streams */ 324 __u16 ts_pid_pmt; 325 __u16 ts_pid_audio; 326 __u16 ts_pid_video; 327 __u16 ts_pid_pcr; 328 329 /* program stream */ 330 __u16 ps_size; 331 __u16 reserved_1; /* align */ 332 333 /* audio */ 334 enum v4l2_mpeg_audiotype au_type; 335 struct v4l2_bitrate au_bitrate; 336 __u32 au_sample_rate; 337 __u8 au_pesid; 338 __u8 reserved_2[3]; /* align */ 339 340 /* video */ 341 enum v4l2_mpeg_videotype vi_type; 342 enum v4l2_mpeg_aspectratio vi_aspect_ratio; 343 struct v4l2_bitrate vi_bitrate; 344 __u32 vi_frame_rate; 345 __u16 vi_frames_per_gop; 346 __u16 vi_bframes_count; 347 __u8 vi_pesid; 348 __u8 reserved_3[3]; /* align */ 349 350 /* misc flags */ 351 __u32 closed_gops:1; 352 __u32 pulldown:1; 353 __u32 reserved_4:30; /* align */ 354 355 /* I don't expect the above being perfect yet ;) */ 356 __u32 reserved_5[8]; 357 }; 358 #endif 359 360 struct v4l2_jpegcompression 361 { 362 int quality; 363 364 int APPn; /* Number of APP segment to be written, 365 * must be 0..15 */ 366 int APP_len; /* Length of data in JPEG APPn segment */ 367 char APP_data[60]; /* Data in the JPEG APPn segment. */ 368 369 int COM_len; /* Length of data in JPEG COM segment */ 370 char COM_data[60]; /* Data in JPEG COM segment */ 371 372 __u32 jpeg_markers; /* Which markers should go into the JPEG 373 * output. Unless you exactly know what 374 * you do, leave them untouched. 375 * Inluding less markers will make the 376 * resulting code smaller, but there will 377 * be fewer aplications which can read it. 378 * The presence of the APP and COM marker 379 * is influenced by APP_len and COM_len 380 * ONLY, not by this property! */ 381 382 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 383 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 384 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 385 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 386 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 387 * allways use APP0 */ 388 }; 389 390 391 /* 392 * M E M O R Y - M A P P I N G B U F F E R S 393 */ 394 struct v4l2_requestbuffers 395 { 396 __u32 count; 397 enum v4l2_buf_type type; 398 enum v4l2_memory memory; 399 __u32 reserved[2]; 400 }; 401 402 struct v4l2_buffer 403 { 404 __u32 index; 405 enum v4l2_buf_type type; 406 __u32 bytesused; 407 __u32 flags; 408 enum v4l2_field field; 409 struct timeval timestamp; 410 struct v4l2_timecode timecode; 411 __u32 sequence; 412 413 /* memory location */ 414 enum v4l2_memory memory; 415 union { 416 __u32 offset; 417 unsigned long userptr; 418 } m; 419 __u32 length; 420 __u32 input; 421 __u32 reserved; 422 }; 423 424 /* Flags for 'flags' field */ 425 #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ 426 #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ 427 #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ 428 #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ 429 #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ 430 #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ 431 #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ 432 #define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */ 433 434 /* 435 * O V E R L A Y P R E V I E W 436 */ 437 struct v4l2_framebuffer 438 { 439 __u32 capability; 440 __u32 flags; 441 /* FIXME: in theory we should pass something like PCI device + memory 442 * region + offset instead of some physical address */ 443 void* base; 444 struct v4l2_pix_format fmt; 445 }; 446 /* Flags for the 'capability' field. Read only */ 447 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 448 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 449 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 450 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 451 /* Flags for the 'flags' field. */ 452 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 453 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 454 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 455 456 struct v4l2_clip 457 { 458 struct v4l2_rect c; 459 struct v4l2_clip *next; 460 }; 461 462 struct v4l2_window 463 { 464 struct v4l2_rect w; 465 enum v4l2_field field; 466 __u32 chromakey; 467 struct v4l2_clip __user *clips; 468 __u32 clipcount; 469 void __user *bitmap; 470 }; 471 472 473 /* 474 * C A P T U R E P A R A M E T E R S 475 */ 476 struct v4l2_captureparm 477 { 478 __u32 capability; /* Supported modes */ 479 __u32 capturemode; /* Current mode */ 480 struct v4l2_fract timeperframe; /* Time per frame in .1us units */ 481 __u32 extendedmode; /* Driver-specific extensions */ 482 __u32 readbuffers; /* # of buffers for read */ 483 __u32 reserved[4]; 484 }; 485 /* Flags for 'capability' and 'capturemode' fields */ 486 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 487 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 488 489 struct v4l2_outputparm 490 { 491 __u32 capability; /* Supported modes */ 492 __u32 outputmode; /* Current mode */ 493 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 494 __u32 extendedmode; /* Driver-specific extensions */ 495 __u32 writebuffers; /* # of buffers for write */ 496 __u32 reserved[4]; 497 }; 498 499 /* 500 * I N P U T I M A G E C R O P P I N G 501 */ 502 503 struct v4l2_cropcap { 504 enum v4l2_buf_type type; 505 struct v4l2_rect bounds; 506 struct v4l2_rect defrect; 507 struct v4l2_fract pixelaspect; 508 }; 509 510 struct v4l2_crop { 511 enum v4l2_buf_type type; 512 struct v4l2_rect c; 513 }; 514 515 /* 516 * A N A L O G V I D E O S T A N D A R D 517 */ 518 519 typedef __u64 v4l2_std_id; 520 521 /* one bit for each */ 522 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 523 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 524 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 525 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 526 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 527 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 528 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 529 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 530 531 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 532 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 533 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 534 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 535 536 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) 537 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) 538 539 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 540 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 541 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 542 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 543 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 544 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 545 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 546 547 /* ATSC/HDTV */ 548 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 549 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 550 551 /* some common needed stuff */ 552 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 553 V4L2_STD_PAL_B1 |\ 554 V4L2_STD_PAL_G) 555 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 556 V4L2_STD_PAL_D1 |\ 557 V4L2_STD_PAL_K) 558 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 559 V4L2_STD_PAL_DK |\ 560 V4L2_STD_PAL_H |\ 561 V4L2_STD_PAL_I) 562 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 563 V4L2_STD_NTSC_M_JP) 564 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 565 V4L2_STD_SECAM_K |\ 566 V4L2_STD_SECAM_K1) 567 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 568 V4L2_STD_SECAM_G |\ 569 V4L2_STD_SECAM_H |\ 570 V4L2_STD_SECAM_DK |\ 571 V4L2_STD_SECAM_L) 572 573 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 574 V4L2_STD_PAL_60 |\ 575 V4L2_STD_NTSC) 576 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 577 V4L2_STD_PAL_N |\ 578 V4L2_STD_PAL_Nc |\ 579 V4L2_STD_SECAM) 580 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 581 V4L2_STD_ATSC_16_VSB) 582 583 #define V4L2_STD_UNKNOWN 0 584 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 585 V4L2_STD_625_50) 586 587 struct v4l2_standard 588 { 589 __u32 index; 590 v4l2_std_id id; 591 __u8 name[24]; 592 struct v4l2_fract frameperiod; /* Frames, not fields */ 593 __u32 framelines; 594 __u32 reserved[4]; 595 }; 596 597 598 /* 599 * V I D E O I N P U T S 600 */ 601 struct v4l2_input 602 { 603 __u32 index; /* Which input */ 604 __u8 name[32]; /* Label */ 605 __u32 type; /* Type of input */ 606 __u32 audioset; /* Associated audios (bitfield) */ 607 __u32 tuner; /* Associated tuner */ 608 v4l2_std_id std; 609 __u32 status; 610 __u32 reserved[4]; 611 }; 612 /* Values for the 'type' field */ 613 #define V4L2_INPUT_TYPE_TUNER 1 614 #define V4L2_INPUT_TYPE_CAMERA 2 615 616 /* field 'status' - general */ 617 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 618 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 619 #define V4L2_IN_ST_NO_COLOR 0x00000004 620 621 /* field 'status' - analog */ 622 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 623 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 624 625 /* field 'status' - digital */ 626 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 627 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 628 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 629 630 /* field 'status' - VCR and set-top box */ 631 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 632 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 633 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 634 635 /* 636 * V I D E O O U T P U T S 637 */ 638 struct v4l2_output 639 { 640 __u32 index; /* Which output */ 641 __u8 name[32]; /* Label */ 642 __u32 type; /* Type of output */ 643 __u32 audioset; /* Associated audios (bitfield) */ 644 __u32 modulator; /* Associated modulator */ 645 v4l2_std_id std; 646 __u32 reserved[4]; 647 }; 648 /* Values for the 'type' field */ 649 #define V4L2_OUTPUT_TYPE_MODULATOR 1 650 #define V4L2_OUTPUT_TYPE_ANALOG 2 651 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 652 653 /* 654 * C O N T R O L S 655 */ 656 struct v4l2_control 657 { 658 __u32 id; 659 __s32 value; 660 }; 661 662 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 663 struct v4l2_queryctrl 664 { 665 __u32 id; 666 enum v4l2_ctrl_type type; 667 __u8 name[32]; /* Whatever */ 668 __s32 minimum; /* Note signedness */ 669 __s32 maximum; 670 __s32 step; 671 __s32 default_value; 672 __u32 flags; 673 __u32 reserved[2]; 674 }; 675 676 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 677 struct v4l2_querymenu 678 { 679 __u32 id; 680 __u32 index; 681 __u8 name[32]; /* Whatever */ 682 __u32 reserved; 683 }; 684 685 /* Control flags */ 686 #define V4L2_CTRL_FLAG_DISABLED 0x0001 687 #define V4L2_CTRL_FLAG_GRABBED 0x0002 688 689 /* Control IDs defined by V4L2 */ 690 #define V4L2_CID_BASE 0x00980900 691 /* IDs reserved for driver specific controls */ 692 #define V4L2_CID_PRIVATE_BASE 0x08000000 693 694 #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0) 695 #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1) 696 #define V4L2_CID_SATURATION (V4L2_CID_BASE+2) 697 #define V4L2_CID_HUE (V4L2_CID_BASE+3) 698 #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5) 699 #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6) 700 #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7) 701 #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8) 702 #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9) 703 #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10) 704 #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) 705 #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12) 706 #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13) 707 #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14) 708 #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15) 709 #define V4L2_CID_GAMMA (V4L2_CID_BASE+16) 710 #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */ 711 #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17) 712 #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18) 713 #define V4L2_CID_GAIN (V4L2_CID_BASE+19) 714 #define V4L2_CID_HFLIP (V4L2_CID_BASE+20) 715 #define V4L2_CID_VFLIP (V4L2_CID_BASE+21) 716 #define V4L2_CID_HCENTER (V4L2_CID_BASE+22) 717 #define V4L2_CID_VCENTER (V4L2_CID_BASE+23) 718 #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */ 719 720 /* 721 * T U N I N G 722 */ 723 struct v4l2_tuner 724 { 725 __u32 index; 726 __u8 name[32]; 727 enum v4l2_tuner_type type; 728 __u32 capability; 729 __u32 rangelow; 730 __u32 rangehigh; 731 __u32 rxsubchans; 732 __u32 audmode; 733 __s32 signal; 734 __s32 afc; 735 __u32 reserved[4]; 736 }; 737 738 struct v4l2_modulator 739 { 740 __u32 index; 741 __u8 name[32]; 742 __u32 capability; 743 __u32 rangelow; 744 __u32 rangehigh; 745 __u32 txsubchans; 746 __u32 reserved[4]; 747 }; 748 749 /* Flags for the 'capability' field */ 750 #define V4L2_TUNER_CAP_LOW 0x0001 751 #define V4L2_TUNER_CAP_NORM 0x0002 752 #define V4L2_TUNER_CAP_STEREO 0x0010 753 #define V4L2_TUNER_CAP_LANG2 0x0020 754 #define V4L2_TUNER_CAP_SAP 0x0020 755 #define V4L2_TUNER_CAP_LANG1 0x0040 756 757 /* Flags for the 'rxsubchans' field */ 758 #define V4L2_TUNER_SUB_MONO 0x0001 759 #define V4L2_TUNER_SUB_STEREO 0x0002 760 #define V4L2_TUNER_SUB_LANG2 0x0004 761 #define V4L2_TUNER_SUB_SAP 0x0004 762 #define V4L2_TUNER_SUB_LANG1 0x0008 763 764 /* Values for the 'audmode' field */ 765 #define V4L2_TUNER_MODE_MONO 0x0000 766 #define V4L2_TUNER_MODE_STEREO 0x0001 767 #define V4L2_TUNER_MODE_LANG2 0x0002 768 #define V4L2_TUNER_MODE_SAP 0x0002 769 #define V4L2_TUNER_MODE_LANG1 0x0003 770 771 struct v4l2_frequency 772 { 773 __u32 tuner; 774 enum v4l2_tuner_type type; 775 __u32 frequency; 776 __u32 reserved[8]; 777 }; 778 779 /* 780 * A U D I O 781 */ 782 struct v4l2_audio 783 { 784 __u32 index; 785 __u8 name[32]; 786 __u32 capability; 787 __u32 mode; 788 __u32 reserved[2]; 789 }; 790 /* Flags for the 'capability' field */ 791 #define V4L2_AUDCAP_STEREO 0x00001 792 #define V4L2_AUDCAP_AVL 0x00002 793 794 /* Flags for the 'mode' field */ 795 #define V4L2_AUDMODE_AVL 0x00001 796 797 struct v4l2_audioout 798 { 799 __u32 index; 800 __u8 name[32]; 801 __u32 capability; 802 __u32 mode; 803 __u32 reserved[2]; 804 }; 805 806 /* 807 * D A T A S E R V I C E S ( V B I ) 808 * 809 * Data services API by Michael Schimek 810 */ 811 812 struct v4l2_vbi_format 813 { 814 __u32 sampling_rate; /* in 1 Hz */ 815 __u32 offset; 816 __u32 samples_per_line; 817 __u32 sample_format; /* V4L2_PIX_FMT_* */ 818 __s32 start[2]; 819 __u32 count[2]; 820 __u32 flags; /* V4L2_VBI_* */ 821 __u32 reserved[2]; /* must be zero */ 822 }; 823 824 /* VBI flags */ 825 #define V4L2_VBI_UNSYNC (1<< 0) 826 #define V4L2_VBI_INTERLACED (1<< 1) 827 828 829 /* 830 * A G G R E G A T E S T R U C T U R E S 831 */ 832 833 /* Stream data format 834 */ 835 struct v4l2_format 836 { 837 enum v4l2_buf_type type; 838 union 839 { 840 struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE 841 struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY 842 struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE 843 __u8 raw_data[200]; // user-defined 844 } fmt; 845 }; 846 847 848 /* Stream type-dependent parameters 849 */ 850 struct v4l2_streamparm 851 { 852 enum v4l2_buf_type type; 853 union 854 { 855 struct v4l2_captureparm capture; 856 struct v4l2_outputparm output; 857 __u8 raw_data[200]; /* user-defined */ 858 } parm; 859 }; 860 861 862 863 /* 864 * I O C T L C O D E S F O R V I D E O D E V I C E S 865 * 866 */ 867 #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability) 868 #define VIDIOC_RESERVED _IO ('V', 1) 869 #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc) 870 #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format) 871 #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format) 872 #if 1 /* experimental */ 873 #define VIDIOC_G_MPEGCOMP _IOR ('V', 6, struct v4l2_mpeg_compression) 874 #define VIDIOC_S_MPEGCOMP _IOW ('V', 7, struct v4l2_mpeg_compression) 875 #endif 876 #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers) 877 #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer) 878 #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer) 879 #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer) 880 #define VIDIOC_OVERLAY _IOW ('V', 14, int) 881 #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer) 882 #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer) 883 #define VIDIOC_STREAMON _IOW ('V', 18, int) 884 #define VIDIOC_STREAMOFF _IOW ('V', 19, int) 885 #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm) 886 #define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm) 887 #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id) 888 #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id) 889 #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard) 890 #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input) 891 #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control) 892 #define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control) 893 #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner) 894 #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner) 895 #define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio) 896 #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio) 897 #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl) 898 #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu) 899 #define VIDIOC_G_INPUT _IOR ('V', 38, int) 900 #define VIDIOC_S_INPUT _IOWR ('V', 39, int) 901 #define VIDIOC_G_OUTPUT _IOR ('V', 46, int) 902 #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int) 903 #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output) 904 #define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout) 905 #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout) 906 #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator) 907 #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator) 908 #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency) 909 #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency) 910 #define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap) 911 #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop) 912 #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop) 913 #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression) 914 #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression) 915 #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id) 916 #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format) 917 #define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio) 918 #define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout) 919 #define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority) 920 #define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority) 921 922 /* for compatibility, will go away some day */ 923 #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int) 924 #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm) 925 #define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control) 926 #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio) 927 #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout) 928 #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap) 929 930 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 931 932 933 #ifdef __KERNEL__ 934 /* 935 * 936 * V 4 L 2 D R I V E R H E L P E R A P I 937 * 938 * Some commonly needed functions for drivers (v4l2-common.o module) 939 */ 940 #include <linux/fs.h> 941 942 /* Video standard functions */ 943 extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs); 944 extern int v4l2_video_std_construct(struct v4l2_standard *vs, 945 int id, char *name); 946 947 /* prority handling */ 948 struct v4l2_prio_state { 949 atomic_t prios[4]; 950 }; 951 int v4l2_prio_init(struct v4l2_prio_state *global); 952 int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, 953 enum v4l2_priority new); 954 int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local); 955 int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local); 956 enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global); 957 int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local); 958 959 /* names for fancy debug output */ 960 extern char *v4l2_field_names[]; 961 extern char *v4l2_type_names[]; 962 extern char *v4l2_ioctl_names[]; 963 964 /* Compatibility layer interface -- v4l1-compat module */ 965 typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, 966 unsigned int cmd, void *arg); 967 int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, 968 int cmd, void *arg, v4l2_kioctl driver_ioctl); 969 970 #endif /* __KERNEL__ */ 971 #endif /* __LINUX_VIDEODEV2_H */ 972 973 /* 974 * Local variables: 975 * c-basic-offset: 8 976 * End: 977 */ 978