1/* 2 * This header comes from linux, but it has no license. The author 3 * (Bill Dirks) gave explicit permissions to use it in FreeBSD. 4 * The FreeBSD vendor branch for v4l gives a more detailed description 5 * about this in the README. 6 * 7 * $FreeBSD$ 8 */ 9 10#ifndef __LINUX_VIDEODEV2_H 11#define __LINUX_VIDEODEV2_H 12/* 13 * Video for Linux Two 14 * 15 * Header file for v4l or V4L2 drivers and applications, for 16 * Linux kernels 2.2.x or 2.4.x. 17 * 18 * See http://bytesex.org/v4l/ for API specs and other 19 * v4l2 documentation. 20 * 21 * Author: Bill Dirks <bdirks@pacbell.net> 22 * Justin Schoeman 23 * et al. 24 */ 25#ifdef __FreeBSD__ 26#define __user 27typedef uint64_t __u64; 28typedef int64_t __s64; 29#else 30#ifdef __KERNEL__ 31#include <linux/time.h> /* need struct timeval */ 32#include <linux/poll.h> 33#include <linux/device.h> 34#include <linux/mutex.h> 35#endif 36#include <linux/compiler.h> /* need __user */ 37#endif 38 39 40#define OBSOLETE_OWNER 1 /* It will be removed for 2.6.17 */ 41#define HAVE_V4L2 1 42 43/* 44 * Common stuff for both V4L1 and V4L2 45 * Moved from videodev.h 46 */ 47 48#define VIDEO_MAX_FRAME 32 49 50#define VID_TYPE_CAPTURE 1 /* Can capture */ 51#define VID_TYPE_TUNER 2 /* Can tune */ 52#define VID_TYPE_TELETEXT 4 /* Does teletext */ 53#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ 54#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ 55#define VID_TYPE_CLIPPING 32 /* Can clip */ 56#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ 57#define VID_TYPE_SCALES 128 /* Scalable */ 58#define VID_TYPE_MONOCHROME 256 /* Monochrome only */ 59#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ 60#define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ 61#define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ 62#define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ 63#define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ 64 65#ifdef __KERNEL__ 66 67/* Minor device allocation */ 68#define MINOR_VFL_TYPE_GRABBER_MIN 0 69#define MINOR_VFL_TYPE_GRABBER_MAX 63 70#define MINOR_VFL_TYPE_RADIO_MIN 64 71#define MINOR_VFL_TYPE_RADIO_MAX 127 72#define MINOR_VFL_TYPE_VTX_MIN 192 73#define MINOR_VFL_TYPE_VTX_MAX 223 74#define MINOR_VFL_TYPE_VBI_MIN 224 75#define MINOR_VFL_TYPE_VBI_MAX 255 76 77#define VFL_TYPE_GRABBER 0 78#define VFL_TYPE_VBI 1 79#define VFL_TYPE_RADIO 2 80#define VFL_TYPE_VTX 3 81 82struct video_device 83{ 84 /* device info */ 85 struct device *dev; 86 char name[32]; 87 int type; /* v4l1 */ 88 int type2; /* v4l2 */ 89 int hardware; 90 int minor; 91 92 /* device ops + callbacks */ 93 const struct file_operations *fops; 94 void (*release)(struct video_device *vfd); 95 96 97#if OBSOLETE_OWNER /* to be removed in 2.6.15 */ 98 /* obsolete -- fops->owner is used instead */ 99 struct module *owner; 100 /* dev->driver_data will be used instead some day. 101 * Use the video_{get|set}_drvdata() helper functions, 102 * so the switch over will be transparent for you. 103 * Or use {pci|usb}_{get|set}_drvdata() directly. */ 104 void *priv; 105#endif 106 107 /* for videodev.c intenal usage -- please don't touch */ 108 int users; /* video_exclusive_{open|close} ... */ 109 struct mutex lock; /* ... helper function uses these */ 110 char devfs_name[64]; /* devfs */ 111 struct class_device class_dev; /* sysfs */ 112}; 113 114#define VIDEO_MAJOR 81 115 116extern int video_register_device(struct video_device *, int type, int nr); 117extern void video_unregister_device(struct video_device *); 118extern int video_usercopy(struct inode *inode, struct file *file, 119 unsigned int cmd, unsigned long arg, 120 int (*func)(struct inode *inode, struct file *file, 121 unsigned int cmd, void *arg)); 122 123/* helper functions to alloc / release struct video_device, the 124 later can be used for video_device->release() */ 125struct video_device *video_device_alloc(void); 126void video_device_release(struct video_device *vfd); 127 128#endif 129 130/* 131 * M I S C E L L A N E O U S 132 */ 133 134/* Four-character-code (FOURCC) */ 135#define v4l2_fourcc(a,b,c,d)\ 136 (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24)) 137 138/* 139 * E N U M S 140 */ 141enum v4l2_field { 142 V4L2_FIELD_ANY = 0, /* driver can choose from none, 143 top, bottom, interlaced 144 depending on whatever it thinks 145 is approximate ... */ 146 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 147 V4L2_FIELD_TOP = 2, /* top field only */ 148 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 149 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 150 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 151 buffer, top-bottom order */ 152 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 153 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 154 separate buffers */ 155}; 156#define V4L2_FIELD_HAS_TOP(field) \ 157 ((field) == V4L2_FIELD_TOP ||\ 158 (field) == V4L2_FIELD_INTERLACED ||\ 159 (field) == V4L2_FIELD_SEQ_TB ||\ 160 (field) == V4L2_FIELD_SEQ_BT) 161#define V4L2_FIELD_HAS_BOTTOM(field) \ 162 ((field) == V4L2_FIELD_BOTTOM ||\ 163 (field) == V4L2_FIELD_INTERLACED ||\ 164 (field) == V4L2_FIELD_SEQ_TB ||\ 165 (field) == V4L2_FIELD_SEQ_BT) 166#define V4L2_FIELD_HAS_BOTH(field) \ 167 ((field) == V4L2_FIELD_INTERLACED ||\ 168 (field) == V4L2_FIELD_SEQ_TB ||\ 169 (field) == V4L2_FIELD_SEQ_BT) 170 171enum v4l2_buf_type { 172 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 173 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 174 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 175 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 176 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 177#if 1 178 /* Experimental Sliced VBI */ 179 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 180 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 181#endif 182 V4L2_BUF_TYPE_PRIVATE = 0x80, 183}; 184 185enum v4l2_ctrl_type { 186 V4L2_CTRL_TYPE_INTEGER = 1, 187 V4L2_CTRL_TYPE_BOOLEAN = 2, 188 V4L2_CTRL_TYPE_MENU = 3, 189 V4L2_CTRL_TYPE_BUTTON = 4, 190}; 191 192enum v4l2_tuner_type { 193 V4L2_TUNER_RADIO = 1, 194 V4L2_TUNER_ANALOG_TV = 2, 195 V4L2_TUNER_DIGITAL_TV = 3, 196}; 197 198enum v4l2_memory { 199 V4L2_MEMORY_MMAP = 1, 200 V4L2_MEMORY_USERPTR = 2, 201 V4L2_MEMORY_OVERLAY = 3, 202}; 203 204/* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 205enum v4l2_colorspace { 206 /* ITU-R 601 -- broadcast NTSC/PAL */ 207 V4L2_COLORSPACE_SMPTE170M = 1, 208 209 /* 1125-Line (US) HDTV */ 210 V4L2_COLORSPACE_SMPTE240M = 2, 211 212 /* HD and modern captures. */ 213 V4L2_COLORSPACE_REC709 = 3, 214 215 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ 216 V4L2_COLORSPACE_BT878 = 4, 217 218 /* These should be useful. Assume 601 extents. */ 219 V4L2_COLORSPACE_470_SYSTEM_M = 5, 220 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 221 222 /* I know there will be cameras that send this. So, this is 223 * unspecified chromaticities and full 0-255 on each of the 224 * Y'CbCr components 225 */ 226 V4L2_COLORSPACE_JPEG = 7, 227 228 /* For RGB colourspaces, this is probably a good start. */ 229 V4L2_COLORSPACE_SRGB = 8, 230}; 231 232enum v4l2_priority { 233 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 234 V4L2_PRIORITY_BACKGROUND = 1, 235 V4L2_PRIORITY_INTERACTIVE = 2, 236 V4L2_PRIORITY_RECORD = 3, 237 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 238}; 239 240struct v4l2_rect { 241 __s32 left; 242 __s32 top; 243 __s32 width; 244 __s32 height; 245}; 246 247struct v4l2_fract { 248 __u32 numerator; 249 __u32 denominator; 250}; 251 252/* 253 * D R I V E R C A P A B I L I T I E S 254 */ 255struct v4l2_capability 256{ 257 __u8 driver[16]; /* i.e. "bttv" */ 258 __u8 card[32]; /* i.e. "Hauppauge WinTV" */ 259 __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */ 260 __u32 version; /* should use KERNEL_VERSION() */ 261 __u32 capabilities; /* Device capabilities */ 262 __u32 reserved[4]; 263}; 264 265/* Values for 'capabilities' field */ 266#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 267#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 268#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 269#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 270#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 271#if 1 272#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 273#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 274#endif 275#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 276 277#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 278#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 279#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 280 281#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 282#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 283#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 284 285/* 286 * V I D E O I M A G E F O R M A T 287 */ 288 289struct v4l2_pix_format 290{ 291 __u32 width; 292 __u32 height; 293 __u32 pixelformat; 294 enum v4l2_field field; 295 __u32 bytesperline; /* for padding, zero if unused */ 296 __u32 sizeimage; 297 enum v4l2_colorspace colorspace; 298 __u32 priv; /* private data, depends on pixelformat */ 299}; 300 301/* Pixel format FOURCC depth Description */ 302#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */ 303#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */ 304#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */ 305#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */ 306#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */ 307#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */ 308#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */ 309#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */ 310#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */ 311#define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */ 312#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */ 313#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */ 314#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */ 315#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */ 316#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */ 317#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */ 318#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */ 319 320/* two planes -- one Y, one Cr + Cb interleaved */ 321#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */ 322#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */ 323 324/* The following formats are not defined in the V4L2 specification */ 325#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */ 326#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */ 327#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */ 328#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */ 329 330/* see http://www.siliconimaging.com/RGB%20Bayer.htm */ 331#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */ 332 333/* compressed formats */ 334#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */ 335#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */ 336#define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */ 337#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */ 338 339/* Vendor-specific formats */ 340#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */ 341#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */ 342#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */ 343#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */ 344#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E','6','2','5') /* ET61X251 compression */ 345 346/* 347 * F O R M A T E N U M E R A T I O N 348 */ 349struct v4l2_fmtdesc 350{ 351 __u32 index; /* Format number */ 352 enum v4l2_buf_type type; /* buffer type */ 353 __u32 flags; 354 __u8 description[32]; /* Description string */ 355 __u32 pixelformat; /* Format fourcc */ 356 __u32 reserved[4]; 357}; 358 359#define V4L2_FMT_FLAG_COMPRESSED 0x0001 360 361 362/* 363 * T I M E C O D E 364 */ 365struct v4l2_timecode 366{ 367 __u32 type; 368 __u32 flags; 369 __u8 frames; 370 __u8 seconds; 371 __u8 minutes; 372 __u8 hours; 373 __u8 userbits[4]; 374}; 375 376/* Type */ 377#define V4L2_TC_TYPE_24FPS 1 378#define V4L2_TC_TYPE_25FPS 2 379#define V4L2_TC_TYPE_30FPS 3 380#define V4L2_TC_TYPE_50FPS 4 381#define V4L2_TC_TYPE_60FPS 5 382 383/* Flags */ 384#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 385#define V4L2_TC_FLAG_COLORFRAME 0x0002 386#define V4L2_TC_USERBITS_field 0x000C 387#define V4L2_TC_USERBITS_USERDEFINED 0x0000 388#define V4L2_TC_USERBITS_8BITCHARS 0x0008 389/* The above is based on SMPTE timecodes */ 390 391 392/* 393 * 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 394 * 395 * ### WARNING: this is still work-in-progress right now, most likely 396 * ### there will be some incompatible changes. 397 * 398 */ 399 400 401enum v4l2_bitrate_mode { 402 V4L2_BITRATE_NONE = 0, /* not specified */ 403 V4L2_BITRATE_CBR, /* constant bitrate */ 404 V4L2_BITRATE_VBR, /* variable bitrate */ 405}; 406struct v4l2_bitrate { 407 /* rates are specified in kbit/sec */ 408 enum v4l2_bitrate_mode mode; 409 __u32 min; 410 __u32 target; /* use this one for CBR */ 411 __u32 max; 412}; 413 414enum v4l2_mpeg_streamtype { 415 V4L2_MPEG_SS_1, /* MPEG-1 system stream */ 416 V4L2_MPEG_PS_2, /* MPEG-2 program stream */ 417 V4L2_MPEG_TS_2, /* MPEG-2 transport stream */ 418 V4L2_MPEG_PS_DVD, /* MPEG-2 program stream with DVD header fixups */ 419}; 420enum v4l2_mpeg_audiotype { 421 V4L2_MPEG_AU_2_I, /* MPEG-2 layer 1 */ 422 V4L2_MPEG_AU_2_II, /* MPEG-2 layer 2 */ 423 V4L2_MPEG_AU_2_III, /* MPEG-2 layer 3 */ 424 V4L2_MPEG_AC3, /* AC3 */ 425 V4L2_MPEG_LPCM, /* LPCM */ 426}; 427enum v4l2_mpeg_videotype { 428 V4L2_MPEG_VI_1, /* MPEG-1 */ 429 V4L2_MPEG_VI_2, /* MPEG-2 */ 430}; 431enum v4l2_mpeg_aspectratio { 432 V4L2_MPEG_ASPECT_SQUARE = 1, /* square pixel */ 433 V4L2_MPEG_ASPECT_4_3 = 2, /* 4 : 3 */ 434 V4L2_MPEG_ASPECT_16_9 = 3, /* 16 : 9 */ 435 V4L2_MPEG_ASPECT_1_221 = 4, /* 1 : 2,21 */ 436}; 437 438struct v4l2_mpeg_compression { 439 /* general */ 440 enum v4l2_mpeg_streamtype st_type; 441 struct v4l2_bitrate st_bitrate; 442 443 /* transport streams */ 444 __u16 ts_pid_pmt; 445 __u16 ts_pid_audio; 446 __u16 ts_pid_video; 447 __u16 ts_pid_pcr; 448 449 /* program stream */ 450 __u16 ps_size; 451 __u16 reserved_1; /* align */ 452 453 /* audio */ 454 enum v4l2_mpeg_audiotype au_type; 455 struct v4l2_bitrate au_bitrate; 456 __u32 au_sample_rate; 457 __u8 au_pesid; 458 __u8 reserved_2[3]; /* align */ 459 460 /* video */ 461 enum v4l2_mpeg_videotype vi_type; 462 enum v4l2_mpeg_aspectratio vi_aspect_ratio; 463 struct v4l2_bitrate vi_bitrate; 464 __u32 vi_frame_rate; 465 __u16 vi_frames_per_gop; 466 __u16 vi_bframes_count; 467 __u8 vi_pesid; 468 __u8 reserved_3[3]; /* align */ 469 470 /* misc flags */ 471 __u32 closed_gops:1; 472 __u32 pulldown:1; 473 __u32 reserved_4:30; /* align */ 474 475 /* I don't expect the above being perfect yet ;) */ 476 __u32 reserved_5[8]; 477}; 478 479struct v4l2_jpegcompression 480{ 481 int quality; 482 483 int APPn; /* Number of APP segment to be written, 484 * must be 0..15 */ 485 int APP_len; /* Length of data in JPEG APPn segment */ 486 char APP_data[60]; /* Data in the JPEG APPn segment. */ 487 488 int COM_len; /* Length of data in JPEG COM segment */ 489 char COM_data[60]; /* Data in JPEG COM segment */ 490 491 __u32 jpeg_markers; /* Which markers should go into the JPEG 492 * output. Unless you exactly know what 493 * you do, leave them untouched. 494 * Inluding less markers will make the 495 * resulting code smaller, but there will 496 * be fewer aplications which can read it. 497 * The presence of the APP and COM marker 498 * is influenced by APP_len and COM_len 499 * ONLY, not by this property! */ 500 501#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 502#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 503#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 504#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 505#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 506 * allways use APP0 */ 507}; 508 509 510/* 511 * M E M O R Y - M A P P I N G B U F F E R S 512 */ 513struct v4l2_requestbuffers 514{ 515 __u32 count; 516 enum v4l2_buf_type type; 517 enum v4l2_memory memory; 518 __u32 reserved[2]; 519}; 520 521struct v4l2_buffer 522{ 523 __u32 index; 524 enum v4l2_buf_type type; 525 __u32 bytesused; 526 __u32 flags; 527 enum v4l2_field field; 528 struct timeval timestamp; 529 struct v4l2_timecode timecode; 530 __u32 sequence; 531 532 /* memory location */ 533 enum v4l2_memory memory; 534 union { 535 __u32 offset; 536 unsigned long userptr; 537 } m; 538 __u32 length; 539 __u32 input; 540 __u32 reserved; 541}; 542 543/* Flags for 'flags' field */ 544#define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ 545#define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ 546#define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ 547#define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ 548#define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ 549#define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ 550#define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ 551#define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */ 552 553/* 554 * O V E R L A Y P R E V I E W 555 */ 556struct v4l2_framebuffer 557{ 558 __u32 capability; 559 __u32 flags; 560/* FIXME: in theory we should pass something like PCI device + memory 561 * region + offset instead of some physical address */ 562 void* base; 563 struct v4l2_pix_format fmt; 564}; 565/* Flags for the 'capability' field. Read only */ 566#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 567#define V4L2_FBUF_CAP_CHROMAKEY 0x0002 568#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 569#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 570/* Flags for the 'flags' field. */ 571#define V4L2_FBUF_FLAG_PRIMARY 0x0001 572#define V4L2_FBUF_FLAG_OVERLAY 0x0002 573#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 574 575struct v4l2_clip 576{ 577 struct v4l2_rect c; 578 struct v4l2_clip __user *next; 579}; 580 581struct v4l2_window 582{ 583 struct v4l2_rect w; 584 enum v4l2_field field; 585 __u32 chromakey; 586 struct v4l2_clip __user *clips; 587 __u32 clipcount; 588 void __user *bitmap; 589}; 590 591 592/* 593 * C A P T U R E P A R A M E T E R S 594 */ 595struct v4l2_captureparm 596{ 597 __u32 capability; /* Supported modes */ 598 __u32 capturemode; /* Current mode */ 599 struct v4l2_fract timeperframe; /* Time per frame in .1us units */ 600 __u32 extendedmode; /* Driver-specific extensions */ 601 __u32 readbuffers; /* # of buffers for read */ 602 __u32 reserved[4]; 603}; 604/* Flags for 'capability' and 'capturemode' fields */ 605#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 606#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 607 608struct v4l2_outputparm 609{ 610 __u32 capability; /* Supported modes */ 611 __u32 outputmode; /* Current mode */ 612 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 613 __u32 extendedmode; /* Driver-specific extensions */ 614 __u32 writebuffers; /* # of buffers for write */ 615 __u32 reserved[4]; 616}; 617 618/* 619 * I N P U T I M A G E C R O P P I N G 620 */ 621 622struct v4l2_cropcap { 623 enum v4l2_buf_type type; 624 struct v4l2_rect bounds; 625 struct v4l2_rect defrect; 626 struct v4l2_fract pixelaspect; 627}; 628 629struct v4l2_crop { 630 enum v4l2_buf_type type; 631 struct v4l2_rect c; 632}; 633 634/* 635 * A N A L O G V I D E O S T A N D A R D 636 */ 637 638typedef __u64 v4l2_std_id; 639 640/* one bit for each */ 641#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 642#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 643#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 644#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 645#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 646#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 647#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 648#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 649 650#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 651#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 652#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 653#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 654 655#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) 656#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) 657#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 658#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) 659 660#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 661#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 662#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 663#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 664#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 665#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 666#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 667#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 668 669/* ATSC/HDTV */ 670#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 671#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 672 673/* some merged standards */ 674#define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC) 675#define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B) 676#define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H) 677#define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK) 678 679/* some common needed stuff */ 680#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 681 V4L2_STD_PAL_B1 |\ 682 V4L2_STD_PAL_G) 683#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 684 V4L2_STD_PAL_D1 |\ 685 V4L2_STD_PAL_K) 686#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 687 V4L2_STD_PAL_DK |\ 688 V4L2_STD_PAL_H |\ 689 V4L2_STD_PAL_I) 690#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 691 V4L2_STD_NTSC_M_JP |\ 692 V4L2_STD_NTSC_M_KR) 693#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 694 V4L2_STD_SECAM_K |\ 695 V4L2_STD_SECAM_K1) 696#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 697 V4L2_STD_SECAM_G |\ 698 V4L2_STD_SECAM_H |\ 699 V4L2_STD_SECAM_DK |\ 700 V4L2_STD_SECAM_L |\ 701 V4L2_STD_SECAM_LC) 702 703#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 704 V4L2_STD_PAL_60 |\ 705 V4L2_STD_NTSC |\ 706 V4L2_STD_NTSC_443) 707#define V4L2_STD_625_50 (V4L2_STD_PAL |\ 708 V4L2_STD_PAL_N |\ 709 V4L2_STD_PAL_Nc |\ 710 V4L2_STD_SECAM) 711#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 712 V4L2_STD_ATSC_16_VSB) 713 714#define V4L2_STD_UNKNOWN 0 715#define V4L2_STD_ALL (V4L2_STD_525_60 |\ 716 V4L2_STD_625_50) 717 718struct v4l2_standard 719{ 720 __u32 index; 721 v4l2_std_id id; 722 __u8 name[24]; 723 struct v4l2_fract frameperiod; /* Frames, not fields */ 724 __u32 framelines; 725 __u32 reserved[4]; 726}; 727 728 729/* 730 * V I D E O I N P U T S 731 */ 732struct v4l2_input 733{ 734 __u32 index; /* Which input */ 735 __u8 name[32]; /* Label */ 736 __u32 type; /* Type of input */ 737 __u32 audioset; /* Associated audios (bitfield) */ 738 __u32 tuner; /* Associated tuner */ 739 v4l2_std_id std; 740 __u32 status; 741 __u32 reserved[4]; 742}; 743/* Values for the 'type' field */ 744#define V4L2_INPUT_TYPE_TUNER 1 745#define V4L2_INPUT_TYPE_CAMERA 2 746 747/* field 'status' - general */ 748#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 749#define V4L2_IN_ST_NO_SIGNAL 0x00000002 750#define V4L2_IN_ST_NO_COLOR 0x00000004 751 752/* field 'status' - analog */ 753#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 754#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 755 756/* field 'status' - digital */ 757#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 758#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 759#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 760 761/* field 'status' - VCR and set-top box */ 762#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 763#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 764#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 765 766/* 767 * V I D E O O U T P U T S 768 */ 769struct v4l2_output 770{ 771 __u32 index; /* Which output */ 772 __u8 name[32]; /* Label */ 773 __u32 type; /* Type of output */ 774 __u32 audioset; /* Associated audios (bitfield) */ 775 __u32 modulator; /* Associated modulator */ 776 v4l2_std_id std; 777 __u32 reserved[4]; 778}; 779/* Values for the 'type' field */ 780#define V4L2_OUTPUT_TYPE_MODULATOR 1 781#define V4L2_OUTPUT_TYPE_ANALOG 2 782#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 783 784/* 785 * C O N T R O L S 786 */ 787struct v4l2_control 788{ 789 __u32 id; 790 __s32 value; 791}; 792 793/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 794struct v4l2_queryctrl 795{ 796 __u32 id; 797 enum v4l2_ctrl_type type; 798 __u8 name[32]; /* Whatever */ 799 __s32 minimum; /* Note signedness */ 800 __s32 maximum; 801 __s32 step; 802 __s32 default_value; 803 __u32 flags; 804 __u32 reserved[2]; 805}; 806 807/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 808struct v4l2_querymenu 809{ 810 __u32 id; 811 __u32 index; 812 __u8 name[32]; /* Whatever */ 813 __u32 reserved; 814}; 815 816/* Control flags */ 817#define V4L2_CTRL_FLAG_DISABLED 0x0001 818#define V4L2_CTRL_FLAG_GRABBED 0x0002 819 820/* Control IDs defined by V4L2 */ 821#define V4L2_CID_BASE 0x00980900 822/* IDs reserved for driver specific controls */ 823#define V4L2_CID_PRIVATE_BASE 0x08000000 824 825#define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0) 826#define V4L2_CID_CONTRAST (V4L2_CID_BASE+1) 827#define V4L2_CID_SATURATION (V4L2_CID_BASE+2) 828#define V4L2_CID_HUE (V4L2_CID_BASE+3) 829#define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5) 830#define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6) 831#define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7) 832#define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8) 833#define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9) 834#define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10) 835#define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) 836#define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12) 837#define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13) 838#define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14) 839#define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15) 840#define V4L2_CID_GAMMA (V4L2_CID_BASE+16) 841#define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */ 842#define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17) 843#define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18) 844#define V4L2_CID_GAIN (V4L2_CID_BASE+19) 845#define V4L2_CID_HFLIP (V4L2_CID_BASE+20) 846#define V4L2_CID_VFLIP (V4L2_CID_BASE+21) 847#define V4L2_CID_HCENTER (V4L2_CID_BASE+22) 848#define V4L2_CID_VCENTER (V4L2_CID_BASE+23) 849#define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */ 850 851/* 852 * T U N I N G 853 */ 854struct v4l2_tuner 855{ 856 __u32 index; 857 __u8 name[32]; 858 enum v4l2_tuner_type type; 859 __u32 capability; 860 __u32 rangelow; 861 __u32 rangehigh; 862 __u32 rxsubchans; 863 __u32 audmode; 864 __s32 signal; 865 __s32 afc; 866 __u32 reserved[4]; 867}; 868 869struct v4l2_modulator 870{ 871 __u32 index; 872 __u8 name[32]; 873 __u32 capability; 874 __u32 rangelow; 875 __u32 rangehigh; 876 __u32 txsubchans; 877 __u32 reserved[4]; 878}; 879 880/* Flags for the 'capability' field */ 881#define V4L2_TUNER_CAP_LOW 0x0001 882#define V4L2_TUNER_CAP_NORM 0x0002 883#define V4L2_TUNER_CAP_STEREO 0x0010 884#define V4L2_TUNER_CAP_LANG2 0x0020 885#define V4L2_TUNER_CAP_SAP 0x0020 886#define V4L2_TUNER_CAP_LANG1 0x0040 887 888/* Flags for the 'rxsubchans' field */ 889#define V4L2_TUNER_SUB_MONO 0x0001 890#define V4L2_TUNER_SUB_STEREO 0x0002 891#define V4L2_TUNER_SUB_LANG2 0x0004 892#define V4L2_TUNER_SUB_SAP 0x0004 893#define V4L2_TUNER_SUB_LANG1 0x0008 894 895/* Values for the 'audmode' field */ 896#define V4L2_TUNER_MODE_MONO 0x0000 897#define V4L2_TUNER_MODE_STEREO 0x0001 898#define V4L2_TUNER_MODE_LANG2 0x0002 899#define V4L2_TUNER_MODE_SAP 0x0002 900#define V4L2_TUNER_MODE_LANG1 0x0003 901#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 902 903struct v4l2_frequency 904{ 905 __u32 tuner; 906 enum v4l2_tuner_type type; 907 __u32 frequency; 908 __u32 reserved[8]; 909}; 910 911/* 912 * A U D I O 913 */ 914struct v4l2_audio 915{ 916 __u32 index; 917 __u8 name[32]; 918 __u32 capability; 919 __u32 mode; 920 __u32 reserved[2]; 921}; 922/* Flags for the 'capability' field */ 923#define V4L2_AUDCAP_STEREO 0x00001 924#define V4L2_AUDCAP_AVL 0x00002 925 926/* Flags for the 'mode' field */ 927#define V4L2_AUDMODE_AVL 0x00001 928 929struct v4l2_audioout 930{ 931 __u32 index; 932 __u8 name[32]; 933 __u32 capability; 934 __u32 mode; 935 __u32 reserved[2]; 936}; 937 938/* 939 * D A T A S E R V I C E S ( V B I ) 940 * 941 * Data services API by Michael Schimek 942 */ 943 944/* Raw VBI */ 945 946struct v4l2_vbi_format 947{ 948 __u32 sampling_rate; /* in 1 Hz */ 949 __u32 offset; 950 __u32 samples_per_line; 951 __u32 sample_format; /* V4L2_PIX_FMT_* */ 952 __s32 start[2]; 953 __u32 count[2]; 954 __u32 flags; /* V4L2_VBI_* */ 955 __u32 reserved[2]; /* must be zero */ 956}; 957 958/* VBI flags */ 959#define V4L2_VBI_UNSYNC (1<< 0) 960#define V4L2_VBI_INTERLACED (1<< 1) 961 962#if 1 963/* Sliced VBI 964 * 965 * This implements is a proposal V4L2 API to allow SLICED VBI 966 * required for some hardware encoders. It should change without 967 * notice in the definitive implementation. 968 */ 969 970struct v4l2_sliced_vbi_format 971{ 972 __u16 service_set; 973 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 974 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 975 (equals frame lines 313-336 for 625 line video 976 standards, 263-286 for 525 line standards) */ 977 __u16 service_lines[2][24]; 978 __u32 io_size; 979 __u32 reserved[2]; /* must be zero */ 980}; 981 982/* Teletext World System Teletext 983 (WST), defined on ITU-R BT.653-2 */ 984#define V4L2_SLICED_TELETEXT_B (0x0001) 985/* Video Program System, defined on ETS 300 231*/ 986#define V4L2_SLICED_VPS (0x0400) 987/* Closed Caption, defined on EIA-608 */ 988#define V4L2_SLICED_CAPTION_525 (0x1000) 989/* Wide Screen System, defined on ITU-R BT1119.1 */ 990#define V4L2_SLICED_WSS_625 (0x4000) 991 992#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 993#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 994 995 996struct v4l2_sliced_vbi_cap 997{ 998 __u16 service_set; 999 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1000 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1001 (equals frame lines 313-336 for 625 line video 1002 standards, 263-286 for 525 line standards) */ 1003 __u16 service_lines[2][24]; 1004 __u32 reserved[4]; /* must be 0 */ 1005}; 1006 1007struct v4l2_sliced_vbi_data 1008{ 1009 __u32 id; 1010 __u32 field; /* 0: first field, 1: second field */ 1011 __u32 line; /* 1-23 */ 1012 __u32 reserved; /* must be 0 */ 1013 __u8 data[48]; 1014}; 1015#endif 1016 1017/* 1018 * A G G R E G A T E S T R U C T U R E S 1019 */ 1020 1021/* Stream data format 1022 */ 1023struct v4l2_format 1024{ 1025 enum v4l2_buf_type type; 1026 union 1027 { 1028 struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE 1029 struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY 1030 struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE 1031#if 1 1032 struct v4l2_sliced_vbi_format sliced; // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE 1033#endif 1034 __u8 raw_data[200]; // user-defined 1035 } fmt; 1036}; 1037 1038 1039/* Stream type-dependent parameters 1040 */ 1041struct v4l2_streamparm 1042{ 1043 enum v4l2_buf_type type; 1044 union 1045 { 1046 struct v4l2_captureparm capture; 1047 struct v4l2_outputparm output; 1048 __u8 raw_data[200]; /* user-defined */ 1049 } parm; 1050}; 1051 1052 1053 1054/* 1055 * 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 1056 * 1057 */ 1058#define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability) 1059#define VIDIOC_RESERVED _IO ('V', 1) 1060#define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc) 1061#define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format) 1062#define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format) 1063#define VIDIOC_G_MPEGCOMP _IOR ('V', 6, struct v4l2_mpeg_compression) 1064#define VIDIOC_S_MPEGCOMP _IOW ('V', 7, struct v4l2_mpeg_compression) 1065#define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers) 1066#define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer) 1067#define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer) 1068#define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer) 1069#define VIDIOC_OVERLAY _IOW ('V', 14, int) 1070#define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer) 1071#define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer) 1072#define VIDIOC_STREAMON _IOW ('V', 18, int) 1073#define VIDIOC_STREAMOFF _IOW ('V', 19, int) 1074#define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm) 1075#define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm) 1076#define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id) 1077#define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id) 1078#define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard) 1079#define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input) 1080#define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control) 1081#define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control) 1082#define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner) 1083#define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner) 1084#define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio) 1085#define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio) 1086#define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl) 1087#define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu) 1088#define VIDIOC_G_INPUT _IOR ('V', 38, int) 1089#define VIDIOC_S_INPUT _IOWR ('V', 39, int) 1090#define VIDIOC_G_OUTPUT _IOR ('V', 46, int) 1091#define VIDIOC_S_OUTPUT _IOWR ('V', 47, int) 1092#define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output) 1093#define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout) 1094#define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout) 1095#define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator) 1096#define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator) 1097#define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency) 1098#define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency) 1099#define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap) 1100#define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop) 1101#define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop) 1102#define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression) 1103#define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression) 1104#define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id) 1105#define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format) 1106#define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio) 1107#define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout) 1108#define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority) 1109#define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority) 1110#if 1 1111#define VIDIOC_G_SLICED_VBI_CAP _IOR ('V', 69, struct v4l2_sliced_vbi_cap) 1112#endif 1113#define VIDIOC_LOG_STATUS _IO ('V', 70) 1114 1115/* for compatibility, will go away some day */ 1116#define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int) 1117#define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm) 1118#define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control) 1119#define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio) 1120#define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout) 1121#define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap) 1122 1123#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 1124 1125 1126#ifdef __KERNEL__ 1127/* 1128 * 1129 * V 4 L 2 D R I V E R H E L P E R A P I 1130 * 1131 * Some commonly needed functions for drivers (v4l2-common.o module) 1132 */ 1133#include <linux/fs.h> 1134 1135/* Video standard functions */ 1136extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs); 1137extern int v4l2_video_std_construct(struct v4l2_standard *vs, 1138 int id, char *name); 1139 1140/* prority handling */ 1141struct v4l2_prio_state { 1142 atomic_t prios[4]; 1143}; 1144int v4l2_prio_init(struct v4l2_prio_state *global); 1145int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, 1146 enum v4l2_priority new); 1147int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local); 1148int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local); 1149enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global); 1150int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local); 1151 1152/* names for fancy debug output */ 1153extern char *v4l2_field_names[]; 1154extern char *v4l2_type_names[]; 1155 1156/* Compatibility layer interface -- v4l1-compat module */ 1157typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, 1158 unsigned int cmd, void *arg); 1159 1160#ifdef CONFIG_VIDEO_V4L1_COMPAT 1161int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, 1162 int cmd, void *arg, v4l2_kioctl driver_ioctl); 1163#else 1164#define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL 1165#endif 1166 1167/* 32 Bits compatibility layer for 64 bits processors */ 1168extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd, 1169 unsigned long arg); 1170 1171 1172#endif /* __KERNEL__ */ 1173#endif /* __LINUX_VIDEODEV2_H */ 1174 1175/* 1176 * Local variables: 1177 * c-basic-offset: 8 1178 * End: 1179 */ 1180