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 2.6.17 */
  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 /* Minor device allocation */
  52 #define MINOR_VFL_TYPE_GRABBER_MIN   0
  53 #define MINOR_VFL_TYPE_GRABBER_MAX  63
  54 #define MINOR_VFL_TYPE_RADIO_MIN    64
  55 #define MINOR_VFL_TYPE_RADIO_MAX   127
  56 #define MINOR_VFL_TYPE_VTX_MIN     192
  57 #define MINOR_VFL_TYPE_VTX_MAX     223
  58 #define MINOR_VFL_TYPE_VBI_MIN     224
  59 #define MINOR_VFL_TYPE_VBI_MAX     255
  60
  61 #define VFL_TYPE_GRABBER        0
  62 #define VFL_TYPE_VBI            1
  63 #define VFL_TYPE_RADIO          2
  64 #define VFL_TYPE_VTX            3
  65
  66 struct video_device
  67 {
  68         /* device info */
  69         struct device *dev;
  70         char name[32];
  71         int type;       /* v4l1 */
  72         int type2;      /* v4l2 */
  73         int hardware;
  74         int minor;
  75
  76         /* device ops + callbacks */
  77         struct file_operations *fops;
  78         void (*release)(struct video_device *vfd);
  79
  80
  81 #if OBSOLETE_OWNER /* to be removed in 2.6.15 */
  82         /* obsolete -- fops->owner is used instead */
  83         struct module *owner;
  84         /* dev->driver_data will be used instead some day.
  85          * Use the video_{get|set}_drvdata() helper functions,
  86          * so the switch over will be transparent for you.
  87          * Or use {pci|usb}_{get|set}_drvdata() directly. */
  88         void *priv;
  89 #endif
  90
  91         /* for videodev.c intenal usage -- please don't touch */
  92         int users;                     /* video_exclusive_{open|close} ... */
  93         struct semaphore lock;         /* ... helper function uses these   */
  94         char devfs_name[64];           /* devfs */
  95         struct class_device class_dev; /* sysfs */
  96 };
  97
  98 #define VIDEO_MAJOR     81
  99
 100 extern int video_register_device(struct video_device *, int type, int nr);
 101 extern void video_unregister_device(struct video_device *);
 102 extern int video_usercopy(struct inode *inode, struct file *file,
 103                           unsigned int cmd, unsigned long arg,
 104                           int (*func)(struct inode *inode, struct file *file,
 105                                       unsigned int cmd, void *arg));
 106
 107 /* helper functions to alloc / release struct video_device, the
 108    later can be used for video_device->release() */
 109 struct video_device *video_device_alloc(void);
 110 void video_device_release(struct video_device *vfd);
 111
 112 #endif
 113
 114 /*
 115  *      M I S C E L L A N E O U S
 116  */
 117
 118 /*  Four-character-code (FOURCC) */
 119 #define v4l2_fourcc(a,b,c,d)\
 120         (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
 121
 122 /*
 123  *      E N U M S
 124  */
 125 enum v4l2_field {
 126         V4L2_FIELD_ANY        = 0, /* driver can choose from none,
 127                                       top, bottom, interlaced
 128                                       depending on whatever it thinks
 129                                       is approximate ... */
 130         V4L2_FIELD_NONE       = 1, /* this device has no fields ... */
 131         V4L2_FIELD_TOP        = 2, /* top field only */
 132         V4L2_FIELD_BOTTOM     = 3, /* bottom field only */
 133         V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
 134         V4L2_FIELD_SEQ_TB     = 5, /* both fields sequential into one
 135                                       buffer, top-bottom order */
 136         V4L2_FIELD_SEQ_BT     = 6, /* same as above + bottom-top order */
 137         V4L2_FIELD_ALTERNATE  = 7, /* both fields alternating into
 138                                       separate buffers */
 139 };
 140 #define V4L2_FIELD_HAS_TOP(field)       \
 141         ((field) == V4L2_FIELD_TOP      ||\
 142          (field) == V4L2_FIELD_INTERLACED ||\
 143          (field) == V4L2_FIELD_SEQ_TB   ||\
 144          (field) == V4L2_FIELD_SEQ_BT)
 145 #define V4L2_FIELD_HAS_BOTTOM(field)    \
 146         ((field) == V4L2_FIELD_BOTTOM   ||\
 147          (field) == V4L2_FIELD_INTERLACED ||\
 148          (field) == V4L2_FIELD_SEQ_TB   ||\
 149          (field) == V4L2_FIELD_SEQ_BT)
 150 #define V4L2_FIELD_HAS_BOTH(field)      \
 151         ((field) == V4L2_FIELD_INTERLACED ||\
 152          (field) == V4L2_FIELD_SEQ_TB   ||\
 153          (field) == V4L2_FIELD_SEQ_BT)
 154
 155 enum v4l2_buf_type {
 156         V4L2_BUF_TYPE_VIDEO_CAPTURE      = 1,
 157         V4L2_BUF_TYPE_VIDEO_OUTPUT       = 2,
 158         V4L2_BUF_TYPE_VIDEO_OVERLAY      = 3,
 159         V4L2_BUF_TYPE_VBI_CAPTURE        = 4,
 160         V4L2_BUF_TYPE_VBI_OUTPUT         = 5,
 161 #if 1
 162         /* Experimental Sliced VBI */
 163         V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
 164         V4L2_BUF_TYPE_SLICED_VBI_OUTPUT  = 7,
 165 #endif
 166         V4L2_BUF_TYPE_PRIVATE            = 0x80,
 167 };
 168
 169 enum v4l2_ctrl_type {
 170         V4L2_CTRL_TYPE_INTEGER       = 1,
 171         V4L2_CTRL_TYPE_BOOLEAN       = 2,
 172         V4L2_CTRL_TYPE_MENU          = 3,
 173         V4L2_CTRL_TYPE_BUTTON        = 4,
 174 };
 175
 176 enum v4l2_tuner_type {
 177         V4L2_TUNER_RADIO             = 1,
 178         V4L2_TUNER_ANALOG_TV         = 2,
 179         V4L2_TUNER_DIGITAL_TV        = 3,
 180 };
 181
 182 enum v4l2_memory {
 183         V4L2_MEMORY_MMAP             = 1,
 184         V4L2_MEMORY_USERPTR          = 2,
 185         V4L2_MEMORY_OVERLAY          = 3,
 186 };
 187
 188 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
 189 enum v4l2_colorspace {
 190         /* ITU-R 601 -- broadcast NTSC/PAL */
 191         V4L2_COLORSPACE_SMPTE170M     = 1,
 192
 193         /* 1125-Line (US) HDTV */
 194         V4L2_COLORSPACE_SMPTE240M     = 2,
 195
 196         /* HD and modern captures. */
 197         V4L2_COLORSPACE_REC709        = 3,
 198
 199         /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
 200         V4L2_COLORSPACE_BT878         = 4,
 201
 202         /* These should be useful.  Assume 601 extents. */
 203         V4L2_COLORSPACE_470_SYSTEM_M  = 5,
 204         V4L2_COLORSPACE_470_SYSTEM_BG = 6,
 205
 206         /* I know there will be cameras that send this.  So, this is
 207          * unspecified chromaticities and full 0-255 on each of the
 208          * Y'CbCr components
 209          */
 210         V4L2_COLORSPACE_JPEG          = 7,
 211
 212         /* For RGB colourspaces, this is probably a good start. */
 213         V4L2_COLORSPACE_SRGB          = 8,
 214 };
 215
 216 enum v4l2_priority {
 217         V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
 218         V4L2_PRIORITY_BACKGROUND  = 1,
 219         V4L2_PRIORITY_INTERACTIVE = 2,
 220         V4L2_PRIORITY_RECORD      = 3,
 221         V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
 222 };
 223
 224 struct v4l2_rect {
 225         __s32   left;
 226         __s32   top;
 227         __s32   width;
 228         __s32   height;
 229 };
 230
 231 struct v4l2_fract {
 232         __u32   numerator;
 233         __u32   denominator;
 234 };
 235
 236 /*
 237  *      D R I V E R   C A P A B I L I T I E S
 238  */
 239 struct v4l2_capability
 240 {
 241         __u8    driver[16];     /* i.e. "bttv" */
 242         __u8    card[32];       /* i.e. "Hauppauge WinTV" */
 243         __u8    bus_info[32];   /* "PCI:" + pci_name(pci_dev) */
 244         __u32   version;        /* should use KERNEL_VERSION() */
 245         __u32   capabilities;   /* Device capabilities */
 246         __u32   reserved[4];
 247 };
 248
 249 /* Values for 'capabilities' field */
 250 #define V4L2_CAP_VIDEO_CAPTURE          0x00000001  /* Is a video capture device */
 251 #define V4L2_CAP_VIDEO_OUTPUT           0x00000002  /* Is a video output device */
 252 #define V4L2_CAP_VIDEO_OVERLAY          0x00000004  /* Can do video overlay */
 253 #define V4L2_CAP_VBI_CAPTURE            0x00000010  /* Is a raw VBI capture device */
 254 #define V4L2_CAP_VBI_OUTPUT             0x00000020  /* Is a raw VBI output device */
 255 #if 1
 256 #define V4L2_CAP_SLICED_VBI_CAPTURE     0x00000040  /* Is a sliced VBI capture device */
 257 #define V4L2_CAP_SLICED_VBI_OUTPUT      0x00000080  /* Is a sliced VBI output device */
 258 #endif
 259 #define V4L2_CAP_RDS_CAPTURE            0x00000100  /* RDS data capture */
 260
 261 #define V4L2_CAP_TUNER                  0x00010000  /* has a tuner */
 262 #define V4L2_CAP_AUDIO                  0x00020000  /* has audio support */
 263 #define V4L2_CAP_RADIO                  0x00040000  /* is a radio device */
 264
 265 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
 266 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
 267 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
 268
 269 /*
 270  *      V I D E O   I M A G E   F O R M A T
 271  */
 272
 273 struct v4l2_pix_format
 274 {
 275         __u32                   width;
 276         __u32                   height;
 277         __u32                   pixelformat;
 278         enum v4l2_field         field;
 279         __u32                   bytesperline;   /* for padding, zero if unused */
 280         __u32                   sizeimage;
 281         enum v4l2_colorspace    colorspace;
 282         __u32                   priv;           /* private data, depends on pixelformat */
 283 };
 284
 285 /*           Pixel format    FOURCC                  depth  Description   */
 286 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R','G','B','1') /*  8  RGB-3-3-2     */
 287 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R','G','B','O') /* 16  RGB-5-5-5     */
 288 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R','G','B','P') /* 16  RGB-5-6-5     */
 289 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16  RGB-5-5-5 BE  */
 290 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16  RGB-5-6-5 BE  */
 291 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B','G','R','3') /* 24  BGR-8-8-8     */
 292 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R','G','B','3') /* 24  RGB-8-8-8     */
 293 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B','G','R','4') /* 32  BGR-8-8-8-8   */
 294 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R','G','B','4') /* 32  RGB-8-8-8-8   */
 295 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G','R','E','Y') /*  8  Greyscale     */
 296 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y','V','U','9') /*  9  YVU 4:1:0     */
 297 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y','V','1','2') /* 12  YVU 4:2:0     */
 298 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y','U','Y','V') /* 16  YUV 4:2:2     */
 299 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U','Y','V','Y') /* 16  YUV 4:2:2     */
 300 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16  YVU422 planar */
 301 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16  YVU411 planar */
 302 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y','4','1','P') /* 12  YUV 4:1:1     */
 303
 304 /* two planes -- one Y, one Cr + Cb interleaved  */
 305 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N','V','1','2') /* 12  Y/CbCr 4:2:0  */
 306 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N','V','2','1') /* 12  Y/CrCb 4:2:0  */
 307
 308 /*  The following formats are not defined in the V4L2 specification */
 309 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y','U','V','9') /*  9  YUV 4:1:0     */
 310 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y','U','1','2') /* 12  YUV 4:2:0     */
 311 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y','Y','U','V') /* 16  YUV 4:2:2     */
 312 #define V4L2_PIX_FMT_HI240   v4l2_fourcc('H','I','2','4') /*  8  8-bit color   */
 313
 314 /* see http://www.siliconimaging.com/RGB%20Bayer.htm */
 315 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B','A','8','1') /*  8  BGBG.. GRGR.. */
 316
 317 /* compressed formats */
 318 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M','J','P','G') /* Motion-JPEG   */
 319 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J','P','E','G') /* JFIF JPEG     */
 320 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d','v','s','d') /* 1394          */
 321 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M','P','E','G') /* MPEG          */
 322
 323 /*  Vendor-specific formats   */
 324 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W','N','V','A') /* Winnov hw compress */
 325 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S','9','1','0') /* SN9C10x compression */
 326 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P','W','C','1') /* pwc older webcam */
 327 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P','W','C','2') /* pwc newer webcam */
 328
 329 /*
 330  *      F O R M A T   E N U M E R A T I O N
 331  */
 332 struct v4l2_fmtdesc
 333 {
 334         __u32               index;             /* Format number      */
 335         enum v4l2_buf_type  type;              /* buffer type        */
 336         __u32               flags;
 337         __u8                description[32];   /* Description string */
 338         __u32               pixelformat;       /* Format fourcc      */
 339         __u32               reserved[4];
 340 };
 341
 342 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
 343
 344
 345 /*
 346  *      T I M E C O D E
 347  */
 348 struct v4l2_timecode
 349 {
 350         __u32   type;
 351         __u32   flags;
 352         __u8    frames;
 353         __u8    seconds;
 354         __u8    minutes;
 355         __u8    hours;
 356         __u8    userbits[4];
 357 };
 358
 359 /*  Type  */
 360 #define V4L2_TC_TYPE_24FPS              1
 361 #define V4L2_TC_TYPE_25FPS              2
 362 #define V4L2_TC_TYPE_30FPS              3
 363 #define V4L2_TC_TYPE_50FPS              4
 364 #define V4L2_TC_TYPE_60FPS              5
 365
 366 /*  Flags  */
 367 #define V4L2_TC_FLAG_DROPFRAME          0x0001 /* "drop-frame" mode */
 368 #define V4L2_TC_FLAG_COLORFRAME         0x0002
 369 #define V4L2_TC_USERBITS_field          0x000C
 370 #define V4L2_TC_USERBITS_USERDEFINED    0x0000
 371 #define V4L2_TC_USERBITS_8BITCHARS      0x0008
 372 /* The above is based on SMPTE timecodes */
 373
 374
 375 /*
 376  *      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
 377  *
 378  *  ### WARNING: this is still work-in-progress right now, most likely
 379  *  ###          there will be some incompatible changes.
 380  *
 381  */
 382
 383
 384 enum v4l2_bitrate_mode {
 385         V4L2_BITRATE_NONE = 0,  /* not specified */
 386         V4L2_BITRATE_CBR,       /* constant bitrate */
 387         V4L2_BITRATE_VBR,       /* variable bitrate */
 388 };
 389 struct v4l2_bitrate {
 390         /* rates are specified in kbit/sec */
 391         enum v4l2_bitrate_mode  mode;
 392         __u32                   min;
 393         __u32                   target;  /* use this one for CBR */
 394         __u32                   max;
 395 };
 396
 397 enum v4l2_mpeg_streamtype {
 398         V4L2_MPEG_SS_1,         /* MPEG-1 system stream */
 399         V4L2_MPEG_PS_2,         /* MPEG-2 program stream */
 400         V4L2_MPEG_TS_2,         /* MPEG-2 transport stream */
 401         V4L2_MPEG_PS_DVD,       /* MPEG-2 program stream with DVD header fixups */
 402 };
 403 enum v4l2_mpeg_audiotype {
 404         V4L2_MPEG_AU_2_I,       /* MPEG-2 layer 1 */
 405         V4L2_MPEG_AU_2_II,      /* MPEG-2 layer 2 */
 406         V4L2_MPEG_AU_2_III,     /* MPEG-2 layer 3 */
 407         V4L2_MPEG_AC3,          /* AC3 */
 408         V4L2_MPEG_LPCM,         /* LPCM */
 409 };
 410 enum v4l2_mpeg_videotype {
 411         V4L2_MPEG_VI_1,         /* MPEG-1 */
 412         V4L2_MPEG_VI_2,         /* MPEG-2 */
 413 };
 414 enum v4l2_mpeg_aspectratio {
 415         V4L2_MPEG_ASPECT_SQUARE = 1,   /* square pixel */
 416         V4L2_MPEG_ASPECT_4_3    = 2,   /*  4 : 3       */
 417         V4L2_MPEG_ASPECT_16_9   = 3,   /* 16 : 9       */
 418         V4L2_MPEG_ASPECT_1_221  = 4,   /*  1 : 2,21    */
 419 };
 420
 421 struct v4l2_mpeg_compression {
 422         /* general */
 423         enum v4l2_mpeg_streamtype       st_type;
 424         struct v4l2_bitrate             st_bitrate;
 425
 426         /* transport streams */
 427         __u16                           ts_pid_pmt;
 428         __u16                           ts_pid_audio;
 429         __u16                           ts_pid_video;
 430         __u16                           ts_pid_pcr;
 431
 432         /* program stream */
 433         __u16                           ps_size;
 434         __u16                           reserved_1;    /* align */
 435
 436         /* audio */
 437         enum v4l2_mpeg_audiotype        au_type;
 438         struct v4l2_bitrate             au_bitrate;
 439         __u32                           au_sample_rate;
 440         __u8                            au_pesid;
 441         __u8                            reserved_2[3]; /* align */
 442
 443         /* video */
 444         enum v4l2_mpeg_videotype        vi_type;
 445         enum v4l2_mpeg_aspectratio      vi_aspect_ratio;
 446         struct v4l2_bitrate             vi_bitrate;
 447         __u32                           vi_frame_rate;
 448         __u16                           vi_frames_per_gop;
 449         __u16                           vi_bframes_count;
 450         __u8                            vi_pesid;
 451         __u8                            reserved_3[3]; /* align */
 452
 453         /* misc flags */
 454         __u32                           closed_gops:1;
 455         __u32                           pulldown:1;
 456         __u32                           reserved_4:30; /* align */
 457
 458         /* I don't expect the above being perfect yet ;) */
 459         __u32                           reserved_5[8];
 460 };
 461
 462 struct v4l2_jpegcompression
 463 {
 464         int quality;
 465
 466         int  APPn;              /* Number of APP segment to be written,
 467                                  * must be 0..15 */
 468         int  APP_len;           /* Length of data in JPEG APPn segment */
 469         char APP_data[60];      /* Data in the JPEG APPn segment. */
 470
 471         int  COM_len;           /* Length of data in JPEG COM segment */
 472         char COM_data[60];      /* Data in JPEG COM segment */
 473
 474         __u32 jpeg_markers;     /* Which markers should go into the JPEG
 475                                  * output. Unless you exactly know what
 476                                  * you do, leave them untouched.
 477                                  * Inluding less markers will make the
 478                                  * resulting code smaller, but there will
 479                                  * be fewer aplications which can read it.
 480                                  * The presence of the APP and COM marker
 481                                  * is influenced by APP_len and COM_len
 482                                  * ONLY, not by this property! */
 483
 484 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
 485 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
 486 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
 487 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
 488 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
 489                                         * allways use APP0 */
 490 };
 491
 492
 493 /*
 494  *      M E M O R Y - M A P P I N G   B U F F E R S
 495  */
 496 struct v4l2_requestbuffers
 497 {
 498         __u32                   count;
 499         enum v4l2_buf_type      type;
 500         enum v4l2_memory        memory;
 501         __u32                   reserved[2];
 502 };
 503
 504 struct v4l2_buffer
 505 {
 506         __u32                   index;
 507         enum v4l2_buf_type      type;
 508         __u32                   bytesused;
 509         __u32                   flags;
 510         enum v4l2_field         field;
 511         struct timeval          timestamp;
 512         struct v4l2_timecode    timecode;
 513         __u32                   sequence;
 514
 515         /* memory location */
 516         enum v4l2_memory        memory;
 517         union {
 518                 __u32           offset;
 519                 unsigned long   userptr;
 520         } m;
 521         __u32                   length;
 522         __u32                   input;
 523         __u32                   reserved;
 524 };
 525
 526 /*  Flags for 'flags' field */
 527 #define V4L2_BUF_FLAG_MAPPED    0x0001  /* Buffer is mapped (flag) */
 528 #define V4L2_BUF_FLAG_QUEUED    0x0002  /* Buffer is queued for processing */
 529 #define V4L2_BUF_FLAG_DONE      0x0004  /* Buffer is ready */
 530 #define V4L2_BUF_FLAG_KEYFRAME  0x0008  /* Image is a keyframe (I-frame) */
 531 #define V4L2_BUF_FLAG_PFRAME    0x0010  /* Image is a P-frame */
 532 #define V4L2_BUF_FLAG_BFRAME    0x0020  /* Image is a B-frame */
 533 #define V4L2_BUF_FLAG_TIMECODE  0x0100  /* timecode field is valid */
 534 #define V4L2_BUF_FLAG_INPUT     0x0200  /* input field is valid */
 535
 536 /*
 537  *      O V E R L A Y   P R E V I E W
 538  */
 539 struct v4l2_framebuffer
 540 {
 541         __u32                   capability;
 542         __u32                   flags;
 543 /* FIXME: in theory we should pass something like PCI device + memory
 544  * region + offset instead of some physical address */
 545         void*                   base;
 546         struct v4l2_pix_format  fmt;
 547 };
 548 /*  Flags for the 'capability' field. Read only */
 549 #define V4L2_FBUF_CAP_EXTERNOVERLAY     0x0001
 550 #define V4L2_FBUF_CAP_CHROMAKEY         0x0002
 551 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
 552 #define V4L2_FBUF_CAP_BITMAP_CLIPPING   0x0008
 553 /*  Flags for the 'flags' field. */
 554 #define V4L2_FBUF_FLAG_PRIMARY          0x0001
 555 #define V4L2_FBUF_FLAG_OVERLAY          0x0002
 556 #define V4L2_FBUF_FLAG_CHROMAKEY        0x0004
 557
 558 struct v4l2_clip
 559 {
 560         struct v4l2_rect        c;
 561         struct v4l2_clip        *next;
 562 };
 563
 564 struct v4l2_window
 565 {
 566         struct v4l2_rect        w;
 567         enum v4l2_field         field;
 568         __u32                   chromakey;
 569         struct v4l2_clip        __user *clips;
 570         __u32                   clipcount;
 571         void                    __user *bitmap;
 572 };
 573
 574
 575 /*
 576  *      C A P T U R E   P A R A M E T E R S
 577  */
 578 struct v4l2_captureparm
 579 {
 580         __u32              capability;    /*  Supported modes */
 581         __u32              capturemode;   /*  Current mode */
 582         struct v4l2_fract  timeperframe;  /*  Time per frame in .1us units */
 583         __u32              extendedmode;  /*  Driver-specific extensions */
 584         __u32              readbuffers;   /*  # of buffers for read */
 585         __u32              reserved[4];
 586 };
 587 /*  Flags for 'capability' and 'capturemode' fields */
 588 #define V4L2_MODE_HIGHQUALITY   0x0001  /*  High quality imaging mode */
 589 #define V4L2_CAP_TIMEPERFRAME   0x1000  /*  timeperframe field is supported */
 590
 591 struct v4l2_outputparm
 592 {
 593         __u32              capability;   /*  Supported modes */
 594         __u32              outputmode;   /*  Current mode */
 595         struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
 596         __u32              extendedmode; /*  Driver-specific extensions */
 597         __u32              writebuffers; /*  # of buffers for write */
 598         __u32              reserved[4];
 599 };
 600
 601 /*
 602  *      I N P U T   I M A G E   C R O P P I N G
 603  */
 604
 605 struct v4l2_cropcap {
 606         enum v4l2_buf_type      type;
 607         struct v4l2_rect        bounds;
 608         struct v4l2_rect        defrect;
 609         struct v4l2_fract       pixelaspect;
 610 };
 611
 612 struct v4l2_crop {
 613         enum v4l2_buf_type      type;
 614         struct v4l2_rect        c;
 615 };
 616
 617 /*
 618  *      A N A L O G   V I D E O   S T A N D A R D
 619  */
 620
 621 typedef __u64 v4l2_std_id;
 622
 623 /* one bit for each */
 624 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
 625 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
 626 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
 627 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
 628 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
 629 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
 630 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
 631 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
 632
 633 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
 634 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
 635 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
 636 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
 637
 638 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)
 639 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)
 640 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
 641
 642 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
 643 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
 644 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
 645 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
 646 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
 647 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
 648 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
 649 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
 650
 651 /* ATSC/HDTV */
 652 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
 653 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
 654
 655 /* some merged standards */
 656 #define V4L2_STD_MN     (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
 657 #define V4L2_STD_B      (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
 658 #define V4L2_STD_GH     (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
 659 #define V4L2_STD_DK     (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
 660
 661 /* some common needed stuff */
 662 #define V4L2_STD_PAL_BG         (V4L2_STD_PAL_B         |\
 663                                  V4L2_STD_PAL_B1        |\
 664                                  V4L2_STD_PAL_G)
 665 #define V4L2_STD_PAL_DK         (V4L2_STD_PAL_D         |\
 666                                  V4L2_STD_PAL_D1        |\
 667                                  V4L2_STD_PAL_K)
 668 #define V4L2_STD_PAL            (V4L2_STD_PAL_BG        |\
 669                                  V4L2_STD_PAL_DK        |\
 670                                  V4L2_STD_PAL_H         |\
 671                                  V4L2_STD_PAL_I)
 672 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M        |\
 673                                  V4L2_STD_NTSC_M_JP)
 674 #define V4L2_STD_SECAM_DK       (V4L2_STD_SECAM_D       |\
 675                                  V4L2_STD_SECAM_K       |\
 676                                  V4L2_STD_SECAM_K1)
 677 #define V4L2_STD_SECAM          (V4L2_STD_SECAM_B       |\
 678                                  V4L2_STD_SECAM_G       |\
 679                                  V4L2_STD_SECAM_H       |\
 680                                  V4L2_STD_SECAM_DK      |\
 681                                  V4L2_STD_SECAM_L       |\
 682                                  V4L2_STD_SECAM_LC)
 683
 684 #define V4L2_STD_525_60         (V4L2_STD_PAL_M         |\
 685                                  V4L2_STD_PAL_60        |\
 686                                  V4L2_STD_NTSC          |\
 687                                  V4L2_STD_NTSC_443)
 688 #define V4L2_STD_625_50         (V4L2_STD_PAL           |\
 689                                  V4L2_STD_PAL_N         |\
 690                                  V4L2_STD_PAL_Nc        |\
 691                                  V4L2_STD_SECAM)
 692 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
 693                                  V4L2_STD_ATSC_16_VSB)
 694
 695 #define V4L2_STD_UNKNOWN        0
 696 #define V4L2_STD_ALL            (V4L2_STD_525_60        |\
 697                                  V4L2_STD_625_50)
 698
 699 struct v4l2_standard
 700 {
 701         __u32                index;
 702         v4l2_std_id          id;
 703         __u8                 name[24];
 704         struct v4l2_fract    frameperiod; /* Frames, not fields */
 705         __u32                framelines;
 706         __u32                reserved[4];
 707 };
 708
 709
 710 /*
 711  *      V I D E O   I N P U T S
 712  */
 713 struct v4l2_input
 714 {
 715         __u32        index;             /*  Which input */
 716         __u8         name[32];          /*  Label */
 717         __u32        type;              /*  Type of input */
 718         __u32        audioset;          /*  Associated audios (bitfield) */
 719         __u32        tuner;             /*  Associated tuner */
 720         v4l2_std_id  std;
 721         __u32        status;
 722         __u32        reserved[4];
 723 };
 724 /*  Values for the 'type' field */
 725 #define V4L2_INPUT_TYPE_TUNER           1
 726 #define V4L2_INPUT_TYPE_CAMERA          2
 727
 728 /* field 'status' - general */
 729 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
 730 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
 731 #define V4L2_IN_ST_NO_COLOR    0x00000004
 732
 733 /* field 'status' - analog */
 734 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
 735 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
 736
 737 /* field 'status' - digital */
 738 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
 739 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
 740 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
 741
 742 /* field 'status' - VCR and set-top box */
 743 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
 744 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
 745 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
 746
 747 /*
 748  *      V I D E O   O U T P U T S
 749  */
 750 struct v4l2_output
 751 {
 752         __u32        index;             /*  Which output */
 753         __u8         name[32];          /*  Label */
 754         __u32        type;              /*  Type of output */
 755         __u32        audioset;          /*  Associated audios (bitfield) */
 756         __u32        modulator;         /*  Associated modulator */
 757         v4l2_std_id  std;
 758         __u32        reserved[4];
 759 };
 760 /*  Values for the 'type' field */
 761 #define V4L2_OUTPUT_TYPE_MODULATOR              1
 762 #define V4L2_OUTPUT_TYPE_ANALOG                 2
 763 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY       3
 764
 765 /*
 766  *      C O N T R O L S
 767  */
 768 struct v4l2_control
 769 {
 770         __u32                id;
 771         __s32                value;
 772 };
 773
 774 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
 775 struct v4l2_queryctrl
 776 {
 777         __u32                id;
 778         enum v4l2_ctrl_type  type;
 779         __u8                 name[32];  /* Whatever */
 780         __s32                minimum;   /* Note signedness */
 781         __s32                maximum;
 782         __s32                step;
 783         __s32                default_value;
 784         __u32                flags;
 785         __u32                reserved[2];
 786 };
 787
 788 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
 789 struct v4l2_querymenu
 790 {
 791         __u32           id;
 792         __u32           index;
 793         __u8            name[32];       /* Whatever */
 794         __u32           reserved;
 795 };
 796
 797 /*  Control flags  */
 798 #define V4L2_CTRL_FLAG_DISABLED         0x0001
 799 #define V4L2_CTRL_FLAG_GRABBED          0x0002
 800
 801 /*  Control IDs defined by V4L2 */
 802 #define V4L2_CID_BASE                   0x00980900
 803 /*  IDs reserved for driver specific controls */
 804 #define V4L2_CID_PRIVATE_BASE           0x08000000
 805
 806 #define V4L2_CID_BRIGHTNESS             (V4L2_CID_BASE+0)
 807 #define V4L2_CID_CONTRAST               (V4L2_CID_BASE+1)
 808 #define V4L2_CID_SATURATION             (V4L2_CID_BASE+2)
 809 #define V4L2_CID_HUE                    (V4L2_CID_BASE+3)
 810 #define V4L2_CID_AUDIO_VOLUME           (V4L2_CID_BASE+5)
 811 #define V4L2_CID_AUDIO_BALANCE          (V4L2_CID_BASE+6)
 812 #define V4L2_CID_AUDIO_BASS             (V4L2_CID_BASE+7)
 813 #define V4L2_CID_AUDIO_TREBLE           (V4L2_CID_BASE+8)
 814 #define V4L2_CID_AUDIO_MUTE             (V4L2_CID_BASE+9)
 815 #define V4L2_CID_AUDIO_LOUDNESS         (V4L2_CID_BASE+10)
 816 #define V4L2_CID_BLACK_LEVEL            (V4L2_CID_BASE+11)
 817 #define V4L2_CID_AUTO_WHITE_BALANCE     (V4L2_CID_BASE+12)
 818 #define V4L2_CID_DO_WHITE_BALANCE       (V4L2_CID_BASE+13)
 819 #define V4L2_CID_RED_BALANCE            (V4L2_CID_BASE+14)
 820 #define V4L2_CID_BLUE_BALANCE           (V4L2_CID_BASE+15)
 821 #define V4L2_CID_GAMMA                  (V4L2_CID_BASE+16)
 822 #define V4L2_CID_WHITENESS              (V4L2_CID_GAMMA) /* ? Not sure */
 823 #define V4L2_CID_EXPOSURE               (V4L2_CID_BASE+17)
 824 #define V4L2_CID_AUTOGAIN               (V4L2_CID_BASE+18)
 825 #define V4L2_CID_GAIN                   (V4L2_CID_BASE+19)
 826 #define V4L2_CID_HFLIP                  (V4L2_CID_BASE+20)
 827 #define V4L2_CID_VFLIP                  (V4L2_CID_BASE+21)
 828 #define V4L2_CID_HCENTER                (V4L2_CID_BASE+22)
 829 #define V4L2_CID_VCENTER                (V4L2_CID_BASE+23)
 830 #define V4L2_CID_LASTP1                 (V4L2_CID_BASE+24) /* last CID + 1 */
 831
 832 /*
 833  *      T U N I N G
 834  */
 835 struct v4l2_tuner
 836 {
 837         __u32                   index;
 838         __u8                    name[32];
 839         enum v4l2_tuner_type    type;
 840         __u32                   capability;
 841         __u32                   rangelow;
 842         __u32                   rangehigh;
 843         __u32                   rxsubchans;
 844         __u32                   audmode;
 845         __s32                   signal;
 846         __s32                   afc;
 847         __u32                   reserved[4];
 848 };
 849
 850 struct v4l2_modulator
 851 {
 852         __u32                   index;
 853         __u8                    name[32];
 854         __u32                   capability;
 855         __u32                   rangelow;
 856         __u32                   rangehigh;
 857         __u32                   txsubchans;
 858         __u32                   reserved[4];
 859 };
 860
 861 /*  Flags for the 'capability' field */
 862 #define V4L2_TUNER_CAP_LOW              0x0001
 863 #define V4L2_TUNER_CAP_NORM             0x0002
 864 #define V4L2_TUNER_CAP_STEREO           0x0010
 865 #define V4L2_TUNER_CAP_LANG2            0x0020
 866 #define V4L2_TUNER_CAP_SAP              0x0020
 867 #define V4L2_TUNER_CAP_LANG1            0x0040
 868
 869 /*  Flags for the 'rxsubchans' field */
 870 #define V4L2_TUNER_SUB_MONO             0x0001
 871 #define V4L2_TUNER_SUB_STEREO           0x0002
 872 #define V4L2_TUNER_SUB_LANG2            0x0004
 873 #define V4L2_TUNER_SUB_SAP              0x0004
 874 #define V4L2_TUNER_SUB_LANG1            0x0008
 875
 876 /*  Values for the 'audmode' field */
 877 #define V4L2_TUNER_MODE_MONO            0x0000
 878 #define V4L2_TUNER_MODE_STEREO          0x0001
 879 #define V4L2_TUNER_MODE_LANG2           0x0002
 880 #define V4L2_TUNER_MODE_SAP             0x0002
 881 #define V4L2_TUNER_MODE_LANG1           0x0003
 882
 883 struct v4l2_frequency
 884 {
 885         __u32                 tuner;
 886         enum v4l2_tuner_type  type;
 887         __u32                 frequency;
 888         __u32                 reserved[8];
 889 };
 890
 891 /*
 892  *      A U D I O
 893  */
 894 struct v4l2_audio
 895 {
 896         __u32   index;
 897         __u8    name[32];
 898         __u32   capability;
 899         __u32   mode;
 900         __u32   reserved[2];
 901 };
 902 /*  Flags for the 'capability' field */
 903 #define V4L2_AUDCAP_STEREO              0x00001
 904 #define V4L2_AUDCAP_AVL                 0x00002
 905
 906 /*  Flags for the 'mode' field */
 907 #define V4L2_AUDMODE_AVL                0x00001
 908
 909 struct v4l2_audioout
 910 {
 911         __u32   index;
 912         __u8    name[32];
 913         __u32   capability;
 914         __u32   mode;
 915         __u32   reserved[2];
 916 };
 917
 918 /*
 919  *      D A T A   S E R V I C E S   ( V B I )
 920  *
 921  *      Data services API by Michael Schimek
 922  */
 923
 924 /* Raw VBI */
 925
 926 struct v4l2_vbi_format
 927 {
 928         __u32   sampling_rate;          /* in 1 Hz */
 929         __u32   offset;
 930         __u32   samples_per_line;
 931         __u32   sample_format;          /* V4L2_PIX_FMT_* */
 932         __s32   start[2];
 933         __u32   count[2];
 934         __u32   flags;                  /* V4L2_VBI_* */
 935         __u32   reserved[2];            /* must be zero */
 936 };
 937
 938 /*  VBI flags  */
 939 #define V4L2_VBI_UNSYNC         (1<< 0)
 940 #define V4L2_VBI_INTERLACED     (1<< 1)
 941
 942 #if 1
 943 /* Sliced VBI
 944  *
 945  *    This implements is a proposal V4L2 API to allow SLICED VBI
 946  * required for some hardware encoders. It should change without
 947  * notice in the definitive implementation.
 948  */
 949
 950 struct v4l2_sliced_vbi_format
 951 {
 952         __u16   service_set;
 953         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
 954            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
 955                                  (equals frame lines 313-336 for 625 line video
 956                                   standards, 263-286 for 525 line standards) */
 957         __u16   service_lines[2][24];
 958         __u32   io_size;
 959         __u32   reserved[2];            /* must be zero */
 960 };
 961
 962 /* Teletext World System Teletext
 963    (WST), defined on ITU-R BT.653-2 */
 964 #define V4L2_SLICED_TELETEXT_PAL_B      (0x000001)
 965 #define V4L2_SLICED_TELETEXT_PAL_C      (0x000002)
 966 #define V4L2_SLICED_TELETEXT_NTSC_B     (0x000010)
 967 #define V4L2_SLICED_TELETEXT_SECAM      (0x000020)
 968
 969 /* Teletext North American Broadcast Teletext Specification
 970    (NABTS), defined on ITU-R BT.653-2 */
 971 #define V4L2_SLICED_TELETEXT_NTSC_C     (0x000040)
 972 #define V4L2_SLICED_TELETEXT_NTSC_D     (0x000080)
 973
 974 /* Video Program System, defined on ETS 300 231*/
 975 #define V4L2_SLICED_VPS                 (0x000400)
 976
 977 /* Closed Caption, defined on EIA-608 */
 978 #define V4L2_SLICED_CAPTION_525         (0x001000)
 979 #define V4L2_SLICED_CAPTION_625         (0x002000)
 980
 981 /* Wide Screen System, defined on ITU-R BT1119.1 */
 982 #define V4L2_SLICED_WSS_625             (0x004000)
 983
 984 /* Wide Screen System, defined on IEC 61880 */
 985 #define V4L2_SLICED_WSS_525             (0x008000)
 986
 987 /* Vertical Interval Timecode (VITC), defined on SMPTE 12M */
 988 #define V4l2_SLICED_VITC_625            (0x010000)
 989 #define V4l2_SLICED_VITC_525            (0x020000)
 990
 991 #define V4L2_SLICED_TELETEXT_B          (V4L2_SLICED_TELETEXT_PAL_B  |\
 992                                          V4L2_SLICED_TELETEXT_NTSC_B)
 993
 994 #define V4L2_SLICED_TELETEXT            (V4L2_SLICED_TELETEXT_PAL_B  |\
 995                                          V4L2_SLICED_TELETEXT_PAL_C  |\
 996                                          V4L2_SLICED_TELETEXT_SECAM  |\
 997                                          V4L2_SLICED_TELETEXT_NTSC_B |\
 998                                          V4L2_SLICED_TELETEXT_NTSC_C |\
 999                                          V4L2_SLICED_TELETEXT_NTSC_D)
1000
1001 #define V4L2_SLICED_CAPTION             (V4L2_SLICED_CAPTION_525     |\
1002                                          V4L2_SLICED_CAPTION_625)
1003
1004 #define V4L2_SLICED_WSS                 (V4L2_SLICED_WSS_525         |\
1005                                          V4L2_SLICED_WSS_625)
1006
1007 #define V4L2_SLICED_VITC                (V4L2_SLICED_VITC_525        |\
1008                                          V4L2_SLICED_VITC_625)
1009
1010 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_TELETEXT_NTSC_B |\
1011                                          V4L2_SLICED_TELETEXT_NTSC_C |\
1012                                          V4L2_SLICED_TELETEXT_NTSC_D |\
1013                                          V4L2_SLICED_CAPTION_525     |\
1014                                          V4L2_SLICED_WSS_525         |\
1015                                          V4l2_SLICED_VITC_525)
1016
1017 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_PAL_B  |\
1018                                          V4L2_SLICED_TELETEXT_PAL_C  |\
1019                                          V4L2_SLICED_TELETEXT_SECAM  |\
1020                                          V4L2_SLICED_VPS             |\
1021                                          V4L2_SLICED_CAPTION_625     |\
1022                                          V4L2_SLICED_WSS_625         |\
1023                                          V4l2_SLICED_VITC_625)
1024
1025 struct v4l2_sliced_vbi_cap
1026 {
1027         __u16   service_set;
1028         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1029            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1030                                  (equals frame lines 313-336 for 625 line video
1031                                   standards, 263-286 for 525 line standards) */
1032         __u16   service_lines[2][24];
1033         __u32   reserved[4];    /* must be 0 */
1034 };
1035
1036 struct v4l2_sliced_vbi_data
1037 {
1038         __u32   id;
1039         __u32   field;          /* 0: first field, 1: second field */
1040         __u32   line;           /* 1-23 */
1041         __u32   reserved;       /* must be 0 */
1042         __u8    data[48];
1043 };
1044 #endif
1045
1046 /*
1047  *      A G G R E G A T E   S T R U C T U R E S
1048  */
1049
1050 /*      Stream data format
1051  */
1052 struct v4l2_format
1053 {
1054         enum v4l2_buf_type type;
1055         union
1056         {
1057                 struct v4l2_pix_format          pix;     // V4L2_BUF_TYPE_VIDEO_CAPTURE
1058                 struct v4l2_window              win;     // V4L2_BUF_TYPE_VIDEO_OVERLAY
1059                 struct v4l2_vbi_format          vbi;     // V4L2_BUF_TYPE_VBI_CAPTURE
1060 #if 1
1061                 struct v4l2_sliced_vbi_format   sliced;  // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
1062 #endif
1063                 __u8    raw_data[200];                   // user-defined
1064         } fmt;
1065 };
1066
1067
1068 /*      Stream type-dependent parameters
1069  */
1070 struct v4l2_streamparm
1071 {
1072         enum v4l2_buf_type type;
1073         union
1074         {
1075                 struct v4l2_captureparm capture;
1076                 struct v4l2_outputparm  output;
1077                 __u8    raw_data[200];  /* user-defined */
1078         } parm;
1079 };
1080
1081
1082
1083 /*
1084  *      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
1085  *
1086  */
1087 #define VIDIOC_QUERYCAP         _IOR  ('V',  0, struct v4l2_capability)
1088 #define VIDIOC_RESERVED         _IO   ('V',  1)
1089 #define VIDIOC_ENUM_FMT         _IOWR ('V',  2, struct v4l2_fmtdesc)
1090 #define VIDIOC_G_FMT            _IOWR ('V',  4, struct v4l2_format)
1091 #define VIDIOC_S_FMT            _IOWR ('V',  5, struct v4l2_format)
1092 #define VIDIOC_G_MPEGCOMP       _IOR  ('V',  6, struct v4l2_mpeg_compression)
1093 #define VIDIOC_S_MPEGCOMP       _IOW  ('V',  7, struct v4l2_mpeg_compression)
1094 #define VIDIOC_REQBUFS          _IOWR ('V',  8, struct v4l2_requestbuffers)
1095 #define VIDIOC_QUERYBUF         _IOWR ('V',  9, struct v4l2_buffer)
1096 #define VIDIOC_G_FBUF           _IOR  ('V', 10, struct v4l2_framebuffer)
1097 #define VIDIOC_S_FBUF           _IOW  ('V', 11, struct v4l2_framebuffer)
1098 #define VIDIOC_OVERLAY          _IOW  ('V', 14, int)
1099 #define VIDIOC_QBUF             _IOWR ('V', 15, struct v4l2_buffer)
1100 #define VIDIOC_DQBUF            _IOWR ('V', 17, struct v4l2_buffer)
1101 #define VIDIOC_STREAMON         _IOW  ('V', 18, int)
1102 #define VIDIOC_STREAMOFF        _IOW  ('V', 19, int)
1103 #define VIDIOC_G_PARM           _IOWR ('V', 21, struct v4l2_streamparm)
1104 #define VIDIOC_S_PARM           _IOWR ('V', 22, struct v4l2_streamparm)
1105 #define VIDIOC_G_STD            _IOR  ('V', 23, v4l2_std_id)
1106 #define VIDIOC_S_STD            _IOW  ('V', 24, v4l2_std_id)
1107 #define VIDIOC_ENUMSTD          _IOWR ('V', 25, struct v4l2_standard)
1108 #define VIDIOC_ENUMINPUT        _IOWR ('V', 26, struct v4l2_input)
1109 #define VIDIOC_G_CTRL           _IOWR ('V', 27, struct v4l2_control)
1110 #define VIDIOC_S_CTRL           _IOWR ('V', 28, struct v4l2_control)
1111 #define VIDIOC_G_TUNER          _IOWR ('V', 29, struct v4l2_tuner)
1112 #define VIDIOC_S_TUNER          _IOW  ('V', 30, struct v4l2_tuner)
1113 #define VIDIOC_G_AUDIO          _IOR  ('V', 33, struct v4l2_audio)
1114 #define VIDIOC_S_AUDIO          _IOW  ('V', 34, struct v4l2_audio)
1115 #define VIDIOC_QUERYCTRL        _IOWR ('V', 36, struct v4l2_queryctrl)
1116 #define VIDIOC_QUERYMENU        _IOWR ('V', 37, struct v4l2_querymenu)
1117 #define VIDIOC_G_INPUT          _IOR  ('V', 38, int)
1118 #define VIDIOC_S_INPUT          _IOWR ('V', 39, int)
1119 #define VIDIOC_G_OUTPUT         _IOR  ('V', 46, int)
1120 #define VIDIOC_S_OUTPUT         _IOWR ('V', 47, int)
1121 #define VIDIOC_ENUMOUTPUT       _IOWR ('V', 48, struct v4l2_output)
1122 #define VIDIOC_G_AUDOUT         _IOR  ('V', 49, struct v4l2_audioout)
1123 #define VIDIOC_S_AUDOUT         _IOW  ('V', 50, struct v4l2_audioout)
1124 #define VIDIOC_G_MODULATOR      _IOWR ('V', 54, struct v4l2_modulator)
1125 #define VIDIOC_S_MODULATOR      _IOW  ('V', 55, struct v4l2_modulator)
1126 #define VIDIOC_G_FREQUENCY      _IOWR ('V', 56, struct v4l2_frequency)
1127 #define VIDIOC_S_FREQUENCY      _IOW  ('V', 57, struct v4l2_frequency)
1128 #define VIDIOC_CROPCAP          _IOWR ('V', 58, struct v4l2_cropcap)
1129 #define VIDIOC_G_CROP           _IOWR ('V', 59, struct v4l2_crop)
1130 #define VIDIOC_S_CROP           _IOW  ('V', 60, struct v4l2_crop)
1131 #define VIDIOC_G_JPEGCOMP       _IOR  ('V', 61, struct v4l2_jpegcompression)
1132 #define VIDIOC_S_JPEGCOMP       _IOW  ('V', 62, struct v4l2_jpegcompression)
1133 #define VIDIOC_QUERYSTD         _IOR  ('V', 63, v4l2_std_id)
1134 #define VIDIOC_TRY_FMT          _IOWR ('V', 64, struct v4l2_format)
1135 #define VIDIOC_ENUMAUDIO        _IOWR ('V', 65, struct v4l2_audio)
1136 #define VIDIOC_ENUMAUDOUT       _IOWR ('V', 66, struct v4l2_audioout)
1137 #define VIDIOC_G_PRIORITY       _IOR  ('V', 67, enum v4l2_priority)
1138 #define VIDIOC_S_PRIORITY       _IOW  ('V', 68, enum v4l2_priority)
1139 #if 1
1140 #define VIDIOC_G_SLICED_VBI_CAP _IOR  ('V', 69, struct v4l2_sliced_vbi_cap)
1141 #endif
1142 #define VIDIOC_LOG_STATUS       _IO   ('V', 70)
1143
1144 /* for compatibility, will go away some day */
1145 #define VIDIOC_OVERLAY_OLD      _IOWR ('V', 14, int)
1146 #define VIDIOC_S_PARM_OLD       _IOW  ('V', 22, struct v4l2_streamparm)
1147 #define VIDIOC_S_CTRL_OLD       _IOW  ('V', 28, struct v4l2_control)
1148 #define VIDIOC_G_AUDIO_OLD      _IOWR ('V', 33, struct v4l2_audio)
1149 #define VIDIOC_G_AUDOUT_OLD     _IOWR ('V', 49, struct v4l2_audioout)
1150 #define VIDIOC_CROPCAP_OLD      _IOR  ('V', 58, struct v4l2_cropcap)
1151
1152 #define BASE_VIDIOC_PRIVATE     192             /* 192-255 are private */
1153
1154
1155 #ifdef __KERNEL__
1156 /*
1157  *
1158  *      V 4 L 2   D R I V E R   H E L P E R   A P I
1159  *
1160  *      Some commonly needed functions for drivers (v4l2-common.o module)
1161  */
1162 #include <linux/fs.h>
1163
1164 /*  Video standard functions  */
1165 extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
1166 extern int v4l2_video_std_construct(struct v4l2_standard *vs,
1167                                     int id, char *name);
1168
1169 /* prority handling */
1170 struct v4l2_prio_state {
1171         atomic_t prios[4];
1172 };
1173 int v4l2_prio_init(struct v4l2_prio_state *global);
1174 int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
1175                      enum v4l2_priority new);
1176 int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
1177 int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local);
1178 enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
1179 int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);
1180
1181 /* names for fancy debug output */
1182 extern char *v4l2_field_names[];
1183 extern char *v4l2_type_names[];
1184
1185 /*  Compatibility layer interface  --  v4l1-compat module */
1186 typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
1187                            unsigned int cmd, void *arg);
1188 int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
1189                                int cmd, void *arg, v4l2_kioctl driver_ioctl);
1190
1191 /* 32 Bits compatibility layer for 64 bits processors */
1192 extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
1193                                 unsigned long arg);
1194
1195
1196 #endif /* __KERNEL__ */
1197 #endif /* __LINUX_VIDEODEV2_H */
1198
1199 /*
1200  * Local variables:
1201  * c-basic-offset: 8
1202  * End:
1203  */