include/linux/videodev2.h

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