Documentation/DocBook/v4l/videodev2.h.xml

   1 <programlisting>
   2 /*
   3  *  Video for Linux Two header file
   4  *
   5  *  Copyright (C) 1999-2007 the contributors
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  Alternatively you can redistribute this file under the terms of the
  18  *  BSD license as stated below:
  19  *
  20  *  Redistribution and use in source and binary forms, with or without
  21  *  modification, are permitted provided that the following conditions
  22  *  are met:
  23  *  1. Redistributions of source code must retain the above copyright
  24  *     notice, this list of conditions and the following disclaimer.
  25  *  2. Redistributions in binary form must reproduce the above copyright
  26  *     notice, this list of conditions and the following disclaimer in
  27  *     the documentation and/or other materials provided with the
  28  *     distribution.
  29  *  3. The names of its contributors may not be used to endorse or promote
  30  *     products derived from this software without specific prior written
  31  *     permission.
  32  *
  33  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  34  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  35  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  36  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  37  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  38  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  39  *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  40  *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  41  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  42  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  43  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  44  *
  45  *      Header file for v4l or V4L2 drivers and applications
  46  * with public API.
  47  * All kernel-specific stuff were moved to media/v4l2-dev.h, so
  48  * no #if __KERNEL tests are allowed here
  49  *
  50  *      See http://linuxtv.org for more info
  51  *
  52  *      Author: Bill Dirks &lt;bill@thedirks.org&gt;
  53  *              Justin Schoeman
  54  *              Hans Verkuil &lt;hverkuil@xs4all.nl&gt;
  55  *              et al.
  56  */
  57 #ifndef __LINUX_VIDEODEV2_H
  58 #define __LINUX_VIDEODEV2_H
  59
  60 #ifdef __KERNEL__
  61 #include &lt;linux/time.h&gt;     /* need struct timeval */
  62 #else
  63 #include &lt;sys/time.h&gt;
  64 #endif
  65 #include &lt;linux/compiler.h&gt;
  66 #include &lt;linux/ioctl.h&gt;
  67 #include &lt;linux/types.h&gt;
  68
  69 /*
  70  * Common stuff for both V4L1 and V4L2
  71  * Moved from videodev.h
  72  */
  73 #define VIDEO_MAX_FRAME               32
  74 #define VIDEO_MAX_PLANES               8
  75
  76 #ifndef __KERNEL__
  77
  78 /* These defines are V4L1 specific and should not be used with the V4L2 API!
  79    They will be removed from this header in the future. */
  80
  81 #define VID_TYPE_CAPTURE        1       /* Can capture */
  82 #define VID_TYPE_TUNER          2       /* Can tune */
  83 #define VID_TYPE_TELETEXT       4       /* Does teletext */
  84 #define VID_TYPE_OVERLAY        8       /* Overlay onto frame buffer */
  85 #define VID_TYPE_CHROMAKEY      16      /* Overlay by chromakey */
  86 #define VID_TYPE_CLIPPING       32      /* Can clip */
  87 #define VID_TYPE_FRAMERAM       64      /* Uses the frame buffer memory */
  88 #define VID_TYPE_SCALES         128     /* Scalable */
  89 #define VID_TYPE_MONOCHROME     256     /* Monochrome only */
  90 #define VID_TYPE_SUBCAPTURE     512     /* Can capture subareas of the image */
  91 #define VID_TYPE_MPEG_DECODER   1024    /* Can decode MPEG streams */
  92 #define VID_TYPE_MPEG_ENCODER   2048    /* Can encode MPEG streams */
  93 #define VID_TYPE_MJPEG_DECODER  4096    /* Can decode MJPEG streams */
  94 #define VID_TYPE_MJPEG_ENCODER  8192    /* Can encode MJPEG streams */
  95 #endif
  96
  97 /*
  98  *      M I S C E L L A N E O U S
  99  */
 100
 101 /*  Four-character-code (FOURCC) */
 102 #define v4l2_fourcc(a, b, c, d)\
 103         ((__u32)(a) | ((__u32)(b) &lt;&lt; 8) | ((__u32)(c) &lt;&lt; 16) | ((__u32)(d) &lt;&lt; 24))
 104
 105 /*
 106  *      E N U M S
 107  */
 108 enum <link linkend="v4l2-field">v4l2_field</link> {
 109         V4L2_FIELD_ANY           = 0, /* driver can choose from none,
 110                                          top, bottom, interlaced
 111                                          depending on whatever it thinks
 112                                          is approximate ... */
 113         V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
 114         V4L2_FIELD_TOP           = 2, /* top field only */
 115         V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
 116         V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
 117         V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
 118                                          buffer, top-bottom order */
 119         V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
 120         V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
 121                                          separate buffers */
 122         V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
 123                                          first and the top field is
 124                                          transmitted first */
 125         V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
 126                                          first and the bottom field is
 127                                          transmitted first */
 128 };
 129 #define V4L2_FIELD_HAS_TOP(field)       \
 130         ((field) == V4L2_FIELD_TOP      ||\
 131          (field) == V4L2_FIELD_INTERLACED ||\
 132          (field) == V4L2_FIELD_INTERLACED_TB ||\
 133          (field) == V4L2_FIELD_INTERLACED_BT ||\
 134          (field) == V4L2_FIELD_SEQ_TB   ||\
 135          (field) == V4L2_FIELD_SEQ_BT)
 136 #define V4L2_FIELD_HAS_BOTTOM(field)    \
 137         ((field) == V4L2_FIELD_BOTTOM   ||\
 138          (field) == V4L2_FIELD_INTERLACED ||\
 139          (field) == V4L2_FIELD_INTERLACED_TB ||\
 140          (field) == V4L2_FIELD_INTERLACED_BT ||\
 141          (field) == V4L2_FIELD_SEQ_TB   ||\
 142          (field) == V4L2_FIELD_SEQ_BT)
 143 #define V4L2_FIELD_HAS_BOTH(field)      \
 144         ((field) == V4L2_FIELD_INTERLACED ||\
 145          (field) == V4L2_FIELD_INTERLACED_TB ||\
 146          (field) == V4L2_FIELD_INTERLACED_BT ||\
 147          (field) == V4L2_FIELD_SEQ_TB ||\
 148          (field) == V4L2_FIELD_SEQ_BT)
 149
 150 enum <link linkend="v4l2-buf-type">v4l2_buf_type</link> {
 151         V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
 152         V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
 153         V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
 154         V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
 155         V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
 156         V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
 157         V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
 158 #if 1
 159         /* Experimental */
 160         V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
 161 #endif
 162         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
 163         V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
 164         V4L2_BUF_TYPE_PRIVATE              = 0x80,
 165 };
 166
 167 #define V4L2_TYPE_IS_MULTIPLANAR(type)                  \
 168         ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE   \
 169          || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 170
 171 #define V4L2_TYPE_IS_OUTPUT(type)                               \
 172         ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT                   \
 173          || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE         \
 174          || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY               \
 175          || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY        \
 176          || (type) == V4L2_BUF_TYPE_VBI_OUTPUT                  \
 177          || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
 178
 179 enum <link linkend="v4l2-tuner-type">v4l2_tuner_type</link> {
 180         V4L2_TUNER_RADIO             = 1,
 181         V4L2_TUNER_ANALOG_TV         = 2,
 182         V4L2_TUNER_DIGITAL_TV        = 3,
 183 };
 184
 185 enum <link linkend="v4l2-memory">v4l2_memory</link> {
 186         V4L2_MEMORY_MMAP             = 1,
 187         V4L2_MEMORY_USERPTR          = 2,
 188         V4L2_MEMORY_OVERLAY          = 3,
 189 };
 190
 191 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
 192 enum <link linkend="v4l2-colorspace">v4l2_colorspace</link> {
 193         /* ITU-R 601 -- broadcast NTSC/PAL */
 194         V4L2_COLORSPACE_SMPTE170M     = 1,
 195
 196         /* 1125-Line (US) HDTV */
 197         V4L2_COLORSPACE_SMPTE240M     = 2,
 198
 199         /* HD and modern captures. */
 200         V4L2_COLORSPACE_REC709        = 3,
 201
 202         /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
 203         V4L2_COLORSPACE_BT878         = 4,
 204
 205         /* These should be useful.  Assume 601 extents. */
 206         V4L2_COLORSPACE_470_SYSTEM_M  = 5,
 207         V4L2_COLORSPACE_470_SYSTEM_BG = 6,
 208
 209         /* I know there will be cameras that send this.  So, this is
 210          * unspecified chromaticities and full 0-255 on each of the
 211          * Y'CbCr components
 212          */
 213         V4L2_COLORSPACE_JPEG          = 7,
 214
 215         /* For RGB colourspaces, this is probably a good start. */
 216         V4L2_COLORSPACE_SRGB          = 8,
 217 };
 218
 219 enum <link linkend="v4l2-priority">v4l2_priority</link> {
 220         V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
 221         V4L2_PRIORITY_BACKGROUND  = 1,
 222         V4L2_PRIORITY_INTERACTIVE = 2,
 223         V4L2_PRIORITY_RECORD      = 3,
 224         V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
 225 };
 226
 227 struct <link linkend="v4l2-rect">v4l2_rect</link> {
 228         __s32   left;
 229         __s32   top;
 230         __s32   width;
 231         __s32   height;
 232 };
 233
 234 struct <link linkend="v4l2-fract">v4l2_fract</link> {
 235         __u32   numerator;
 236         __u32   denominator;
 237 };
 238
 239 /*
 240  *      D R I V E R   C A P A B I L I T I E S
 241  */
 242 struct <link linkend="v4l2-capability">v4l2_capability</link> {
 243         __u8    driver[16];     /* i.e.ie; "bttv" */
 244         __u8    card[32];       /* i.e.ie; "Hauppauge WinTV" */
 245         __u8    bus_info[32];   /* "PCI:" + pci_name(pci_dev) */
 246         __u32   version;        /* should use KERNEL_VERSION() */
 247         __u32   capabilities;   /* Device capabilities */
 248         __u32   reserved[4];
 249 };
 250
 251 /* Values for 'capabilities' field */
 252 #define V4L2_CAP_VIDEO_CAPTURE          0x00000001  /* Is a video capture device */
 253 #define V4L2_CAP_VIDEO_OUTPUT           0x00000002  /* Is a video output device */
 254 #define V4L2_CAP_VIDEO_OVERLAY          0x00000004  /* Can do video overlay */
 255 #define V4L2_CAP_VBI_CAPTURE            0x00000010  /* Is a raw VBI capture device */
 256 #define V4L2_CAP_VBI_OUTPUT             0x00000020  /* Is a raw VBI output device */
 257 #define V4L2_CAP_SLICED_VBI_CAPTURE     0x00000040  /* Is a sliced VBI capture device */
 258 #define V4L2_CAP_SLICED_VBI_OUTPUT      0x00000080  /* Is a sliced VBI output device */
 259 #define V4L2_CAP_RDS_CAPTURE            0x00000100  /* RDS data capture */
 260 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY   0x00000200  /* Can do video output overlay */
 261 #define V4L2_CAP_HW_FREQ_SEEK           0x00000400  /* Can do hardware frequency seek  */
 262 #define V4L2_CAP_RDS_OUTPUT             0x00000800  /* Is an RDS encoder */
 263
 264 /* Is a video capture device that supports multiplanar formats */
 265 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE   0x00001000
 266 /* Is a video output device that supports multiplanar formats */
 267 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE    0x00002000
 268
 269 #define V4L2_CAP_TUNER                  0x00010000  /* has a tuner */
 270 #define V4L2_CAP_AUDIO                  0x00020000  /* has audio support */
 271 #define V4L2_CAP_RADIO                  0x00040000  /* is a radio device */
 272 #define V4L2_CAP_MODULATOR              0x00080000  /* has a modulator */
 273
 274 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
 275 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
 276 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
 277
 278 /*
 279  *      V I D E O   I M A G E   F O R M A T
 280  */
 281 struct <link linkend="v4l2-pix-format">v4l2_pix_format</link> {
 282         __u32                   width;
 283         __u32                   height;
 284         __u32                   pixelformat;
 285         enum <link linkend="v4l2-field">v4l2_field</link>         field;
 286         __u32                   bytesperline;   /* for padding, zero if unused */
 287         __u32                   sizeimage;
 288         enum <link linkend="v4l2-colorspace">v4l2_colorspace</link>    colorspace;
 289         __u32                   priv;           /* private data, depends on pixelformat */
 290 };
 291
 292 /*      Pixel format         FOURCC                          depth  Description  */
 293
 294 /* RGB formats */
 295 #define <link linkend="V4L2-PIX-FMT-RGB332">V4L2_PIX_FMT_RGB332</link>  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
 296 #define <link linkend="V4L2-PIX-FMT-RGB444">V4L2_PIX_FMT_RGB444</link>  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
 297 #define <link linkend="V4L2-PIX-FMT-RGB555">V4L2_PIX_FMT_RGB555</link>  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
 298 #define <link linkend="V4L2-PIX-FMT-RGB565">V4L2_PIX_FMT_RGB565</link>  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
 299 #define <link linkend="V4L2-PIX-FMT-RGB555X">V4L2_PIX_FMT_RGB555X</link> v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
 300 #define <link linkend="V4L2-PIX-FMT-RGB565X">V4L2_PIX_FMT_RGB565X</link> v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
 301 #define <link linkend="V4L2-PIX-FMT-BGR666">V4L2_PIX_FMT_BGR666</link>  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6     */
 302 #define <link linkend="V4L2-PIX-FMT-BGR24">V4L2_PIX_FMT_BGR24</link>   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
 303 #define <link linkend="V4L2-PIX-FMT-RGB24">V4L2_PIX_FMT_RGB24</link>   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
 304 #define <link linkend="V4L2-PIX-FMT-BGR32">V4L2_PIX_FMT_BGR32</link>   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
 305 #define <link linkend="V4L2-PIX-FMT-RGB32">V4L2_PIX_FMT_RGB32</link>   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
 306
 307 /* Grey formats */
 308 #define <link linkend="V4L2-PIX-FMT-GREY">V4L2_PIX_FMT_GREY</link>    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
 309 #define <link linkend="V4L2-PIX-FMT-Y4">V4L2_PIX_FMT_Y4</link>      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
 310 #define <link linkend="V4L2-PIX-FMT-Y6">V4L2_PIX_FMT_Y6</link>      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
 311 #define <link linkend="V4L2-PIX-FMT-Y10">V4L2_PIX_FMT_Y10</link>     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
 312 #define <link linkend="V4L2-PIX-FMT-Y16">V4L2_PIX_FMT_Y16</link>     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
 313
 314 /* Grey bit-packed formats */
 315 #define <link linkend="V4L2-PIX-FMT-Y10BPACK">V4L2_PIX_FMT_Y10BPACK</link>    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
 316
 317 /* Palette formats */
 318 #define <link linkend="V4L2-PIX-FMT-PAL8">V4L2_PIX_FMT_PAL8</link>    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
 319
 320 /* Luminance+Chrominance formats */
 321 #define <link linkend="V4L2-PIX-FMT-YVU410">V4L2_PIX_FMT_YVU410</link>  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
 322 #define <link linkend="V4L2-PIX-FMT-YVU420">V4L2_PIX_FMT_YVU420</link>  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
 323 #define <link linkend="V4L2-PIX-FMT-YUYV">V4L2_PIX_FMT_YUYV</link>    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
 324 #define <link linkend="V4L2-PIX-FMT-YYUV">V4L2_PIX_FMT_YYUV</link>    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
 325 #define <link linkend="V4L2-PIX-FMT-YVYU">V4L2_PIX_FMT_YVYU</link>    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
 326 #define <link linkend="V4L2-PIX-FMT-UYVY">V4L2_PIX_FMT_UYVY</link>    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
 327 #define <link linkend="V4L2-PIX-FMT-VYUY">V4L2_PIX_FMT_VYUY</link>    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
 328 #define <link linkend="V4L2-PIX-FMT-YUV422P">V4L2_PIX_FMT_YUV422P</link> v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
 329 #define <link linkend="V4L2-PIX-FMT-YUV411P">V4L2_PIX_FMT_YUV411P</link> v4l2_fourcc('4', '1', '1', 'P') /* 16  YVU411 planar */
 330 #define <link linkend="V4L2-PIX-FMT-Y41P">V4L2_PIX_FMT_Y41P</link>    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
 331 #define <link linkend="V4L2-PIX-FMT-YUV444">V4L2_PIX_FMT_YUV444</link>  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
 332 #define <link linkend="V4L2-PIX-FMT-YUV555">V4L2_PIX_FMT_YUV555</link>  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
 333 #define <link linkend="V4L2-PIX-FMT-YUV565">V4L2_PIX_FMT_YUV565</link>  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
 334 #define <link linkend="V4L2-PIX-FMT-YUV32">V4L2_PIX_FMT_YUV32</link>   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
 335 #define <link linkend="V4L2-PIX-FMT-YUV410">V4L2_PIX_FMT_YUV410</link>  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
 336 #define <link linkend="V4L2-PIX-FMT-YUV420">V4L2_PIX_FMT_YUV420</link>  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
 337 #define <link linkend="V4L2-PIX-FMT-HI240">V4L2_PIX_FMT_HI240</link>   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
 338 #define <link linkend="V4L2-PIX-FMT-HM12">V4L2_PIX_FMT_HM12</link>    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
 339 #define <link linkend="V4L2-PIX-FMT-M420">V4L2_PIX_FMT_M420</link>    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
 340
 341 /* two planes -- one Y, one Cr + Cb interleaved  */
 342 #define <link linkend="V4L2-PIX-FMT-NV12">V4L2_PIX_FMT_NV12</link>    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
 343 #define <link linkend="V4L2-PIX-FMT-NV21">V4L2_PIX_FMT_NV21</link>    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
 344 #define <link linkend="V4L2-PIX-FMT-NV16">V4L2_PIX_FMT_NV16</link>    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
 345 #define <link linkend="V4L2-PIX-FMT-NV61">V4L2_PIX_FMT_NV61</link>    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
 346
 347 /* two non contiguous planes - one Y, one Cr + Cb interleaved  */
 348 #define <link linkend="V4L2-PIX-FMT-NV12M">V4L2_PIX_FMT_NV12M</link>   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
 349 #define <link linkend="V4L2-PIX-FMT-NV12MT">V4L2_PIX_FMT_NV12MT</link>  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */
 350
 351 /* three non contiguous planes - Y, Cb, Cr */
 352 #define <link linkend="V4L2-PIX-FMT-YUV420M">V4L2_PIX_FMT_YUV420M</link> v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
 353
 354 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
 355 #define <link linkend="V4L2-PIX-FMT-SBGGR8">V4L2_PIX_FMT_SBGGR8</link>  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
 356 #define <link linkend="V4L2-PIX-FMT-SGBRG8">V4L2_PIX_FMT_SGBRG8</link>  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
 357 #define <link linkend="V4L2-PIX-FMT-SGRBG8">V4L2_PIX_FMT_SGRBG8</link>  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
 358 #define <link linkend="V4L2-PIX-FMT-SRGGB8">V4L2_PIX_FMT_SRGGB8</link>  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
 359 #define <link linkend="V4L2-PIX-FMT-SBGGR10">V4L2_PIX_FMT_SBGGR10</link> v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
 360 #define <link linkend="V4L2-PIX-FMT-SGBRG10">V4L2_PIX_FMT_SGBRG10</link> v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
 361 #define <link linkend="V4L2-PIX-FMT-SGRBG10">V4L2_PIX_FMT_SGRBG10</link> v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
 362 #define <link linkend="V4L2-PIX-FMT-SRGGB10">V4L2_PIX_FMT_SRGGB10</link> v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
 363         /* 10bit raw bayer DPCM compressed to 8 bits */
 364 #define <link linkend="V4L2-PIX-FMT-SGRBG10DPCM8">V4L2_PIX_FMT_SGRBG10DPCM8</link> v4l2_fourcc('B', 'D', '1', '0')
 365         /*
 366          * 10bit raw bayer, expanded to 16 bits
 367          * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
 368          */
 369 #define <link linkend="V4L2-PIX-FMT-SBGGR16">V4L2_PIX_FMT_SBGGR16</link> v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
 370
 371 /* compressed formats */
 372 #define <link linkend="V4L2-PIX-FMT-MJPEG">V4L2_PIX_FMT_MJPEG</link>    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
 373 #define <link linkend="V4L2-PIX-FMT-JPEG">V4L2_PIX_FMT_JPEG</link>     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
 374 #define <link linkend="V4L2-PIX-FMT-DV">V4L2_PIX_FMT_DV</link>       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
 375 #define <link linkend="V4L2-PIX-FMT-MPEG">V4L2_PIX_FMT_MPEG</link>     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4    */
 376
 377 /*  Vendor-specific formats   */
 378 #define <link linkend="V4L2-PIX-FMT-CPIA1">V4L2_PIX_FMT_CPIA1</link>    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
 379 #define <link linkend="V4L2-PIX-FMT-WNVA">V4L2_PIX_FMT_WNVA</link>     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
 380 #define <link linkend="V4L2-PIX-FMT-SN9C10X">V4L2_PIX_FMT_SN9C10X</link>  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
 381 #define <link linkend="V4L2-PIX-FMT-SN9C20X-I420">V4L2_PIX_FMT_SN9C20X_I420</link> v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
 382 #define <link linkend="V4L2-PIX-FMT-PWC1">V4L2_PIX_FMT_PWC1</link>     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
 383 #define <link linkend="V4L2-PIX-FMT-PWC2">V4L2_PIX_FMT_PWC2</link>     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
 384 #define <link linkend="V4L2-PIX-FMT-ET61X251">V4L2_PIX_FMT_ET61X251</link> v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
 385 #define <link linkend="V4L2-PIX-FMT-SPCA501">V4L2_PIX_FMT_SPCA501</link>  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
 386 #define <link linkend="V4L2-PIX-FMT-SPCA505">V4L2_PIX_FMT_SPCA505</link>  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
 387 #define <link linkend="V4L2-PIX-FMT-SPCA508">V4L2_PIX_FMT_SPCA508</link>  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
 388 #define <link linkend="V4L2-PIX-FMT-SPCA561">V4L2_PIX_FMT_SPCA561</link>  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
 389 #define <link linkend="V4L2-PIX-FMT-PAC207">V4L2_PIX_FMT_PAC207</link>   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
 390 #define <link linkend="V4L2-PIX-FMT-MR97310A">V4L2_PIX_FMT_MR97310A</link> v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
 391 #define <link linkend="V4L2-PIX-FMT-SN9C2028">V4L2_PIX_FMT_SN9C2028</link> v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
 392 #define <link linkend="V4L2-PIX-FMT-SQ905C">V4L2_PIX_FMT_SQ905C</link>   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
 393 #define <link linkend="V4L2-PIX-FMT-PJPG">V4L2_PIX_FMT_PJPG</link>     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
 394 #define <link linkend="V4L2-PIX-FMT-OV511">V4L2_PIX_FMT_OV511</link>    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
 395 #define <link linkend="V4L2-PIX-FMT-OV518">V4L2_PIX_FMT_OV518</link>    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
 396 #define <link linkend="V4L2-PIX-FMT-STV0680">V4L2_PIX_FMT_STV0680</link>  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
 397 #define <link linkend="V4L2-PIX-FMT-TM6000">V4L2_PIX_FMT_TM6000</link>   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
 398 #define <link linkend="V4L2-PIX-FMT-CIT-YYVYUY">V4L2_PIX_FMT_CIT_YYVYUY</link> v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
 399 #define <link linkend="V4L2-PIX-FMT-KONICA420">V4L2_PIX_FMT_KONICA420</link>  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
 400
 401 /*
 402  *      F O R M A T   E N U M E R A T I O N
 403  */
 404 struct <link linkend="v4l2-fmtdesc">v4l2_fmtdesc</link> {
 405         __u32               index;             /* Format number      */
 406         enum <link linkend="v4l2-buf-type">v4l2_buf_type</link>  type;              /* buffer type        */
 407         __u32               flags;
 408         __u8                description[32];   /* Description string */
 409         __u32               pixelformat;       /* Format fourcc      */
 410         __u32               reserved[4];
 411 };
 412
 413 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
 414 #define V4L2_FMT_FLAG_EMULATED   0x0002
 415
 416 #if 1
 417         /* Experimental Frame Size and frame rate enumeration */
 418 /*
 419  *      F R A M E   S I Z E   E N U M E R A T I O N
 420  */
 421 enum <link linkend="v4l2-frmsizetypes">v4l2_frmsizetypes</link> {
 422         V4L2_FRMSIZE_TYPE_DISCRETE      = 1,
 423         V4L2_FRMSIZE_TYPE_CONTINUOUS    = 2,
 424         V4L2_FRMSIZE_TYPE_STEPWISE      = 3,
 425 };
 426
 427 struct <link linkend="v4l2-frmsize-discrete">v4l2_frmsize_discrete</link> {
 428         __u32                   width;          /* Frame width [pixel] */
 429         __u32                   height;         /* Frame height [pixel] */
 430 };
 431
 432 struct <link linkend="v4l2-frmsize-stepwise">v4l2_frmsize_stepwise</link> {
 433         __u32                   min_width;      /* Minimum frame width [pixel] */
 434         __u32                   max_width;      /* Maximum frame width [pixel] */
 435         __u32                   step_width;     /* Frame width step size [pixel] */
 436         __u32                   min_height;     /* Minimum frame height [pixel] */
 437         __u32                   max_height;     /* Maximum frame height [pixel] */
 438         __u32                   step_height;    /* Frame height step size [pixel] */
 439 };
 440
 441 struct <link linkend="v4l2-frmsizeenum">v4l2_frmsizeenum</link> {
 442         __u32                   index;          /* Frame size number */
 443         __u32                   pixel_format;   /* Pixel format */
 444         __u32                   type;           /* Frame size type the device supports. */
 445
 446         union {                                 /* Frame size */
 447                 struct <link linkend="v4l2-frmsize-discrete">v4l2_frmsize_discrete</link>    discrete;
 448                 struct <link linkend="v4l2-frmsize-stepwise">v4l2_frmsize_stepwise</link>    stepwise;
 449         };
 450
 451         __u32   reserved[2];                    /* Reserved space for future use */
 452 };
 453
 454 /*
 455  *      F R A M E   R A T E   E N U M E R A T I O N
 456  */
 457 enum <link linkend="v4l2-frmivaltypes">v4l2_frmivaltypes</link> {
 458         V4L2_FRMIVAL_TYPE_DISCRETE      = 1,
 459         V4L2_FRMIVAL_TYPE_CONTINUOUS    = 2,
 460         V4L2_FRMIVAL_TYPE_STEPWISE      = 3,
 461 };
 462
 463 struct <link linkend="v4l2-frmival-stepwise">v4l2_frmival_stepwise</link> {
 464         struct <link linkend="v4l2-fract">v4l2_fract</link>       min;            /* Minimum frame interval [s] */
 465         struct <link linkend="v4l2-fract">v4l2_fract</link>       max;            /* Maximum frame interval [s] */
 466         struct <link linkend="v4l2-fract">v4l2_fract</link>       step;           /* Frame interval step size [s] */
 467 };
 468
 469 struct <link linkend="v4l2-frmivalenum">v4l2_frmivalenum</link> {
 470         __u32                   index;          /* Frame format index */
 471         __u32                   pixel_format;   /* Pixel format */
 472         __u32                   width;          /* Frame width */
 473         __u32                   height;         /* Frame height */
 474         __u32                   type;           /* Frame interval type the device supports. */
 475
 476         union {                                 /* Frame interval */
 477                 struct <link linkend="v4l2-fract">v4l2_fract</link>               discrete;
 478                 struct <link linkend="v4l2-frmival-stepwise">v4l2_frmival_stepwise</link>    stepwise;
 479         };
 480
 481         __u32   reserved[2];                    /* Reserved space for future use */
 482 };
 483 #endif
 484
 485 /*
 486  *      T I M E C O D E
 487  */
 488 struct <link linkend="v4l2-timecode">v4l2_timecode</link> {
 489         __u32   type;
 490         __u32   flags;
 491         __u8    frames;
 492         __u8    seconds;
 493         __u8    minutes;
 494         __u8    hours;
 495         __u8    userbits[4];
 496 };
 497
 498 /*  Type  */
 499 #define V4L2_TC_TYPE_24FPS              1
 500 #define V4L2_TC_TYPE_25FPS              2
 501 #define V4L2_TC_TYPE_30FPS              3
 502 #define V4L2_TC_TYPE_50FPS              4
 503 #define V4L2_TC_TYPE_60FPS              5
 504
 505 /*  Flags  */
 506 #define V4L2_TC_FLAG_DROPFRAME          0x0001 /* "drop-frame" mode */
 507 #define V4L2_TC_FLAG_COLORFRAME         0x0002
 508 #define V4L2_TC_USERBITS_field          0x000C
 509 #define V4L2_TC_USERBITS_USERDEFINED    0x0000
 510 #define V4L2_TC_USERBITS_8BITCHARS      0x0008
 511 /* The above is based on SMPTE timecodes */
 512
 513 struct <link linkend="v4l2-jpegcompression">v4l2_jpegcompression</link> {
 514         int quality;
 515
 516         int  APPn;              /* Number of APP segment to be written,
 517                                  * must be 0..15 */
 518         int  APP_len;           /* Length of data in JPEG APPn segment */
 519         char APP_data[60];      /* Data in the JPEG APPn segment. */
 520
 521         int  COM_len;           /* Length of data in JPEG COM segment */
 522         char COM_data[60];      /* Data in JPEG COM segment */
 523
 524         __u32 jpeg_markers;     /* Which markers should go into the JPEG
 525                                  * output. Unless you exactly know what
 526                                  * you do, leave them untouched.
 527                                  * Inluding less markers will make the
 528                                  * resulting code smaller, but there will
 529                                  * be fewer applications which can read it.
 530                                  * The presence of the APP and COM marker
 531                                  * is influenced by APP_len and COM_len
 532                                  * ONLY, not by this property! */
 533
 534 #define V4L2_JPEG_MARKER_DHT (1&lt;&lt;3)    /* Define Huffman Tables */
 535 #define V4L2_JPEG_MARKER_DQT (1&lt;&lt;4)    /* Define Quantization Tables */
 536 #define V4L2_JPEG_MARKER_DRI (1&lt;&lt;5)    /* Define Restart Interval */
 537 #define V4L2_JPEG_MARKER_COM (1&lt;&lt;6)    /* Comment segment */
 538 #define V4L2_JPEG_MARKER_APP (1&lt;&lt;7)    /* App segment, driver will
 539                                         * allways use APP0 */
 540 };
 541
 542 /*
 543  *      M E M O R Y - M A P P I N G   B U F F E R S
 544  */
 545 struct <link linkend="v4l2-requestbuffers">v4l2_requestbuffers</link> {
 546         __u32                   count;
 547         enum <link linkend="v4l2-buf-type">v4l2_buf_type</link>      type;
 548         enum <link linkend="v4l2-memory">v4l2_memory</link>        memory;
 549         __u32                   reserved[2];
 550 };
 551
 552 /**
 553  * struct <link linkend="v4l2-plane">v4l2_plane</link> - plane info for multi-planar buffers
 554  * @bytesused:          number of bytes occupied by data in the plane (payload)
 555  * @length:             size of this plane (NOT the payload) in bytes
 556  * @mem_offset:         when memory in the associated struct <link linkend="v4l2-buffer">v4l2_buffer</link> is
 557  *                      V4L2_MEMORY_MMAP, equals the offset from the start of
 558  *                      the device memory for this plane (or is a "cookie" that
 559  *                      should be passed to mmap() called on the video node)
 560  * @userptr:            when memory is V4L2_MEMORY_USERPTR, a userspace pointer
 561  *                      pointing to this plane
 562  * @data_offset:        offset in the plane to the start of data; usually 0,
 563  *                      unless there is a header in front of the data
 564  *
 565  * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
 566  * with two planes can have one plane for Y, and another for interleaved CbCr
 567  * components. Each plane can reside in a separate memory buffer, or even in
 568  * a completely separate memory node (e.g. in embedded devices).
 569  */
 570 struct <link linkend="v4l2-plane">v4l2_plane</link> {
 571         __u32                   bytesused;
 572         __u32                   length;
 573         union {
 574                 __u32           mem_offset;
 575                 unsigned long   userptr;
 576         } m;
 577         __u32                   data_offset;
 578         __u32                   reserved[11];
 579 };
 580
 581 /**
 582  * struct <link linkend="v4l2-buffer">v4l2_buffer</link> - video buffer info
 583  * @index:      id number of the buffer
 584  * @type:       buffer type (type == *_MPLANE for multiplanar buffers)
 585  * @bytesused:  number of bytes occupied by data in the buffer (payload);
 586  *              unused (set to 0) for multiplanar buffers
 587  * @flags:      buffer informational flags
 588  * @field:      field order of the image in the buffer
 589  * @timestamp:  frame timestamp
 590  * @timecode:   frame timecode
 591  * @sequence:   sequence count of this frame
 592  * @memory:     the method, in which the actual video data is passed
 593  * @offset:     for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
 594  *              offset from the start of the device memory for this plane,
 595  *              (or a "cookie" that should be passed to mmap() as offset)
 596  * @userptr:    for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
 597  *              a userspace pointer pointing to this buffer
 598  * @planes:     for multiplanar buffers; userspace pointer to the array of plane
 599  *              info structs for this buffer
 600  * @length:     size in bytes of the buffer (NOT its payload) for single-plane
 601  *              buffers (when type != *_MPLANE); number of elements in the
 602  *              planes array for multi-plane buffers
 603  * @input:      input number from which the video data has has been captured
 604  *
 605  * Contains data exchanged by application and driver using one of the Streaming
 606  * I/O methods.
 607  */
 608 struct <link linkend="v4l2-buffer">v4l2_buffer</link> {
 609         __u32                   index;
 610         enum <link linkend="v4l2-buf-type">v4l2_buf_type</link>      type;
 611         __u32                   bytesused;
 612         __u32                   flags;
 613         enum <link linkend="v4l2-field">v4l2_field</link>         field;
 614         struct timeval          timestamp;
 615         struct <link linkend="v4l2-timecode">v4l2_timecode</link>    timecode;
 616         __u32                   sequence;
 617
 618         /* memory location */
 619         enum <link linkend="v4l2-memory">v4l2_memory</link>        memory;
 620         union {
 621                 __u32           offset;
 622                 unsigned long   userptr;
 623                 struct <link linkend="v4l2-plane">v4l2_plane</link> *planes;
 624         } m;
 625         __u32                   length;
 626         __u32                   input;
 627         __u32                   reserved;
 628 };
 629
 630 /*  Flags for 'flags' field */
 631 #define V4L2_BUF_FLAG_MAPPED    0x0001  /* Buffer is mapped (flag) */
 632 #define V4L2_BUF_FLAG_QUEUED    0x0002  /* Buffer is queued for processing */
 633 #define V4L2_BUF_FLAG_DONE      0x0004  /* Buffer is ready */
 634 #define V4L2_BUF_FLAG_KEYFRAME  0x0008  /* Image is a keyframe (I-frame) */
 635 #define V4L2_BUF_FLAG_PFRAME    0x0010  /* Image is a P-frame */
 636 #define V4L2_BUF_FLAG_BFRAME    0x0020  /* Image is a B-frame */
 637 /* Buffer is ready, but the data contained within is corrupted. */
 638 #define V4L2_BUF_FLAG_ERROR     0x0040
 639 #define V4L2_BUF_FLAG_TIMECODE  0x0100  /* timecode field is valid */
 640 #define V4L2_BUF_FLAG_INPUT     0x0200  /* input field is valid */
 641
 642 /*
 643  *      O V E R L A Y   P R E V I E W
 644  */
 645 struct <link linkend="v4l2-framebuffer">v4l2_framebuffer</link> {
 646         __u32                   capability;
 647         __u32                   flags;
 648 /* FIXME: in theory we should pass something like PCI device + memory
 649  * region + offset instead of some physical address */
 650         void                    *base;
 651         struct <link linkend="v4l2-pix-format">v4l2_pix_format</link>  fmt;
 652 };
 653 /*  Flags for the 'capability' field. Read only */
 654 #define V4L2_FBUF_CAP_EXTERNOVERLAY     0x0001
 655 #define V4L2_FBUF_CAP_CHROMAKEY         0x0002
 656 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
 657 #define V4L2_FBUF_CAP_BITMAP_CLIPPING   0x0008
 658 #define V4L2_FBUF_CAP_LOCAL_ALPHA       0x0010
 659 #define V4L2_FBUF_CAP_GLOBAL_ALPHA      0x0020
 660 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA   0x0040
 661 #define V4L2_FBUF_CAP_SRC_CHROMAKEY     0x0080
 662 /*  Flags for the 'flags' field. */
 663 #define V4L2_FBUF_FLAG_PRIMARY          0x0001
 664 #define V4L2_FBUF_FLAG_OVERLAY          0x0002
 665 #define V4L2_FBUF_FLAG_CHROMAKEY        0x0004
 666 #define V4L2_FBUF_FLAG_LOCAL_ALPHA      0x0008
 667 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA     0x0010
 668 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA  0x0020
 669 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY    0x0040
 670
 671 struct <link linkend="v4l2-clip">v4l2_clip</link> {
 672         struct <link linkend="v4l2-rect">v4l2_rect</link>        c;
 673         struct <link linkend="v4l2-clip">v4l2_clip</link>        __user *next;
 674 };
 675
 676 struct <link linkend="v4l2-window">v4l2_window</link> {
 677         struct <link linkend="v4l2-rect">v4l2_rect</link>        w;
 678         enum <link linkend="v4l2-field">v4l2_field</link>         field;
 679         __u32                   chromakey;
 680         struct <link linkend="v4l2-clip">v4l2_clip</link>        __user *clips;
 681         __u32                   clipcount;
 682         void                    __user *bitmap;
 683         __u8                    global_alpha;
 684 };
 685
 686 /*
 687  *      C A P T U R E   P A R A M E T E R S
 688  */
 689 struct <link linkend="v4l2-captureparm">v4l2_captureparm</link> {
 690         __u32              capability;    /*  Supported modes */
 691         __u32              capturemode;   /*  Current mode */
 692         struct <link linkend="v4l2-fract">v4l2_fract</link>  timeperframe;  /*  Time per frame in .1us units */
 693         __u32              extendedmode;  /*  Driver-specific extensions */
 694         __u32              readbuffers;   /*  # of buffers for read */
 695         __u32              reserved[4];
 696 };
 697
 698 /*  Flags for 'capability' and 'capturemode' fields */
 699 #define V4L2_MODE_HIGHQUALITY   0x0001  /*  High quality imaging mode */
 700 #define V4L2_CAP_TIMEPERFRAME   0x1000  /*  timeperframe field is supported */
 701
 702 struct <link linkend="v4l2-outputparm">v4l2_outputparm</link> {
 703         __u32              capability;   /*  Supported modes */
 704         __u32              outputmode;   /*  Current mode */
 705         struct <link linkend="v4l2-fract">v4l2_fract</link>  timeperframe; /*  Time per frame in seconds */
 706         __u32              extendedmode; /*  Driver-specific extensions */
 707         __u32              writebuffers; /*  # of buffers for write */
 708         __u32              reserved[4];
 709 };
 710
 711 /*
 712  *      I N P U T   I M A G E   C R O P P I N G
 713  */
 714 struct <link linkend="v4l2-cropcap">v4l2_cropcap</link> {
 715         enum <link linkend="v4l2-buf-type">v4l2_buf_type</link>      type;
 716         struct <link linkend="v4l2-rect">v4l2_rect</link>        bounds;
 717         struct <link linkend="v4l2-rect">v4l2_rect</link>        defrect;
 718         struct <link linkend="v4l2-fract">v4l2_fract</link>       pixelaspect;
 719 };
 720
 721 struct <link linkend="v4l2-crop">v4l2_crop</link> {
 722         enum <link linkend="v4l2-buf-type">v4l2_buf_type</link>      type;
 723         struct <link linkend="v4l2-rect">v4l2_rect</link>        c;
 724 };
 725
 726 /*
 727  *      A N A L O G   V I D E O   S T A N D A R D
 728  */
 729
 730 typedef __u64 v4l2_std_id;
 731
 732 /* one bit for each */
 733 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
 734 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
 735 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
 736 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
 737 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
 738 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
 739 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
 740 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
 741
 742 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
 743 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
 744 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
 745 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
 746
 747 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)
 748 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)
 749 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
 750 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)
 751
 752 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
 753 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
 754 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
 755 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
 756 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
 757 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
 758 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
 759 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
 760
 761 /* ATSC/HDTV */
 762 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
 763 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
 764
 765 /* FIXME:
 766    Although std_id is 64 bits, there is an issue on PPC32 architecture that
 767    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
 768    this value to 32 bits.
 769    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
 770    it should work fine. However, if needed to add more than two standards,
 771    v4l2-common.c should be fixed.
 772  */
 773
 774 /* some merged standards */
 775 #define V4L2_STD_MN     (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
 776 #define V4L2_STD_B      (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
 777 #define V4L2_STD_GH     (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
 778 #define V4L2_STD_DK     (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
 779
 780 /* some common needed stuff */
 781 #define V4L2_STD_PAL_BG         (V4L2_STD_PAL_B         |\
 782                                  V4L2_STD_PAL_B1        |\
 783                                  V4L2_STD_PAL_G)
 784 #define V4L2_STD_PAL_DK         (V4L2_STD_PAL_D         |\
 785                                  V4L2_STD_PAL_D1        |\
 786                                  V4L2_STD_PAL_K)
 787 #define V4L2_STD_PAL            (V4L2_STD_PAL_BG        |\
 788                                  V4L2_STD_PAL_DK        |\
 789                                  V4L2_STD_PAL_H         |\
 790                                  V4L2_STD_PAL_I)
 791 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M        |\
 792                                  V4L2_STD_NTSC_M_JP     |\
 793                                  V4L2_STD_NTSC_M_KR)
 794 #define V4L2_STD_SECAM_DK       (V4L2_STD_SECAM_D       |\
 795                                  V4L2_STD_SECAM_K       |\
 796                                  V4L2_STD_SECAM_K1)
 797 #define V4L2_STD_SECAM          (V4L2_STD_SECAM_B       |\
 798                                  V4L2_STD_SECAM_G       |\
 799                                  V4L2_STD_SECAM_H       |\
 800                                  V4L2_STD_SECAM_DK      |\
 801                                  V4L2_STD_SECAM_L       |\
 802                                  V4L2_STD_SECAM_LC)
 803
 804 #define V4L2_STD_525_60         (V4L2_STD_PAL_M         |\
 805                                  V4L2_STD_PAL_60        |\
 806                                  V4L2_STD_NTSC          |\
 807                                  V4L2_STD_NTSC_443)
 808 #define V4L2_STD_625_50         (V4L2_STD_PAL           |\
 809                                  V4L2_STD_PAL_N         |\
 810                                  V4L2_STD_PAL_Nc        |\
 811                                  V4L2_STD_SECAM)
 812 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
 813                                  V4L2_STD_ATSC_16_VSB)
 814
 815 #define V4L2_STD_UNKNOWN        0
 816 #define V4L2_STD_ALL            (V4L2_STD_525_60        |\
 817                                  V4L2_STD_625_50)
 818
 819 struct <link linkend="v4l2-standard">v4l2_standard</link> {
 820         __u32                index;
 821         v4l2_std_id          id;
 822         __u8                 name[24];
 823         struct <link linkend="v4l2-fract">v4l2_fract</link>    frameperiod; /* Frames, not fields */
 824         __u32                framelines;
 825         __u32                reserved[4];
 826 };
 827
 828 /*
 829  *      V I D E O       T I M I N G S   D V     P R E S E T
 830  */
 831 struct <link linkend="v4l2-dv-preset">v4l2_dv_preset</link> {
 832         __u32   preset;
 833         __u32   reserved[4];
 834 };
 835
 836 /*
 837  *      D V     P R E S E T S   E N U M E R A T I O N
 838  */
 839 struct <link linkend="v4l2-dv-enum-preset">v4l2_dv_enum_preset</link> {
 840         __u32   index;
 841         __u32   preset;
 842         __u8    name[32]; /* Name of the preset timing */
 843         __u32   width;
 844         __u32   height;
 845         __u32   reserved[4];
 846 };
 847
 848 /*
 849  *      D V     P R E S E T     V A L U E S
 850  */
 851 #define         V4L2_DV_INVALID         0
 852 #define         V4L2_DV_480P59_94       1 /* BT.1362 */
 853 #define         V4L2_DV_576P50          2 /* BT.1362 */
 854 #define         V4L2_DV_720P24          3 /* SMPTE 296M */
 855 #define         V4L2_DV_720P25          4 /* SMPTE 296M */
 856 #define         V4L2_DV_720P30          5 /* SMPTE 296M */
 857 #define         V4L2_DV_720P50          6 /* SMPTE 296M */
 858 #define         V4L2_DV_720P59_94       7 /* SMPTE 274M */
 859 #define         V4L2_DV_720P60          8 /* SMPTE 274M/296M */
 860 #define         V4L2_DV_1080I29_97      9 /* BT.1120/ SMPTE 274M */
 861 #define         V4L2_DV_1080I30         10 /* BT.1120/ SMPTE 274M */
 862 #define         V4L2_DV_1080I25         11 /* BT.1120 */
 863 #define         V4L2_DV_1080I50         12 /* SMPTE 296M */
 864 #define         V4L2_DV_1080I60         13 /* SMPTE 296M */
 865 #define         V4L2_DV_1080P24         14 /* SMPTE 296M */
 866 #define         V4L2_DV_1080P25         15 /* SMPTE 296M */
 867 #define         V4L2_DV_1080P30         16 /* SMPTE 296M */
 868 #define         V4L2_DV_1080P50         17 /* BT.1120 */
 869 #define         V4L2_DV_1080P60         18 /* BT.1120 */
 870
 871 /*
 872  *      D V     B T     T I M I N G S
 873  */
 874
 875 /* BT.656/BT.1120 timing data */
 876 struct <link linkend="v4l2-bt-timings">v4l2_bt_timings</link> {
 877         __u32   width;          /* width in pixels */
 878         __u32   height;         /* height in lines */
 879         __u32   interlaced;     /* Interlaced or progressive */
 880         __u32   polarities;     /* Positive or negative polarity */
 881         __u64   pixelclock;     /* Pixel clock in HZ. Ex. 74.25MHz-&gt;74250000 */
 882         __u32   hfrontporch;    /* Horizpontal front porch in pixels */
 883         __u32   hsync;          /* Horizontal Sync length in pixels */
 884         __u32   hbackporch;     /* Horizontal back porch in pixels */
 885         __u32   vfrontporch;    /* Vertical front porch in pixels */
 886         __u32   vsync;          /* Vertical Sync length in lines */
 887         __u32   vbackporch;     /* Vertical back porch in lines */
 888         __u32   il_vfrontporch; /* Vertical front porch for bottom field of
 889                                  * interlaced field formats
 890                                  */
 891         __u32   il_vsync;       /* Vertical sync length for bottom field of
 892                                  * interlaced field formats
 893                                  */
 894         __u32   il_vbackporch;  /* Vertical back porch for bottom field of
 895                                  * interlaced field formats
 896                                  */
 897         __u32   reserved[16];
 898 } __attribute__ ((packed));
 899
 900 /* Interlaced or progressive format */
 901 #define V4L2_DV_PROGRESSIVE     0
 902 #define V4L2_DV_INTERLACED      1
 903
 904 /* Polarities. If bit is not set, it is assumed to be negative polarity */
 905 #define V4L2_DV_VSYNC_POS_POL   0x00000001
 906 #define V4L2_DV_HSYNC_POS_POL   0x00000002
 907
 908
 909 /* DV timings */
 910 struct <link linkend="v4l2-dv-timings">v4l2_dv_timings</link> {
 911         __u32 type;
 912         union {
 913                 struct <link linkend="v4l2-bt-timings">v4l2_bt_timings</link>  bt;
 914                 __u32   reserved[32];
 915         };
 916 } __attribute__ ((packed));
 917
 918 /* Values for the type field */
 919 #define V4L2_DV_BT_656_1120     0       /* BT.656/1120 timing type */
 920
 921 /*
 922  *      V I D E O   I N P U T S
 923  */
 924 struct <link linkend="v4l2-input">v4l2_input</link> {
 925         __u32        index;             /*  Which input */
 926         __u8         name[32];          /*  Label */
 927         __u32        type;              /*  Type of input */
 928         __u32        audioset;          /*  Associated audios (bitfield) */
 929         __u32        tuner;             /*  Associated tuner */
 930         v4l2_std_id  std;
 931         __u32        status;
 932         __u32        capabilities;
 933         __u32        reserved[3];
 934 };
 935
 936 /*  Values for the 'type' field */
 937 #define V4L2_INPUT_TYPE_TUNER           1
 938 #define V4L2_INPUT_TYPE_CAMERA          2
 939
 940 /* field 'status' - general */
 941 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
 942 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
 943 #define V4L2_IN_ST_NO_COLOR    0x00000004
 944
 945 /* field 'status' - sensor orientation */
 946 /* If sensor is mounted upside down set both bits */
 947 #define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
 948 #define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
 949
 950 /* field 'status' - analog */
 951 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
 952 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
 953
 954 /* field 'status' - digital */
 955 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
 956 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
 957 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
 958
 959 /* field 'status' - VCR and set-top box */
 960 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
 961 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
 962 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
 963
 964 /* capabilities flags */
 965 #define V4L2_IN_CAP_PRESETS             0x00000001 /* Supports S_DV_PRESET */
 966 #define V4L2_IN_CAP_CUSTOM_TIMINGS      0x00000002 /* Supports S_DV_TIMINGS */
 967 #define V4L2_IN_CAP_STD                 0x00000004 /* Supports S_STD */
 968
 969 /*
 970  *      V I D E O   O U T P U T S
 971  */
 972 struct <link linkend="v4l2-output">v4l2_output</link> {
 973         __u32        index;             /*  Which output */
 974         __u8         name[32];          /*  Label */
 975         __u32        type;              /*  Type of output */
 976         __u32        audioset;          /*  Associated audios (bitfield) */
 977         __u32        modulator;         /*  Associated modulator */
 978         v4l2_std_id  std;
 979         __u32        capabilities;
 980         __u32        reserved[3];
 981 };
 982 /*  Values for the 'type' field */
 983 #define V4L2_OUTPUT_TYPE_MODULATOR              1
 984 #define V4L2_OUTPUT_TYPE_ANALOG                 2
 985 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY       3
 986
 987 /* capabilities flags */
 988 #define V4L2_OUT_CAP_PRESETS            0x00000001 /* Supports S_DV_PRESET */
 989 #define V4L2_OUT_CAP_CUSTOM_TIMINGS     0x00000002 /* Supports S_DV_TIMINGS */
 990 #define V4L2_OUT_CAP_STD                0x00000004 /* Supports S_STD */
 991
 992 /*
 993  *      C O N T R O L S
 994  */
 995 struct <link linkend="v4l2-control">v4l2_control</link> {
 996         __u32                id;
 997         __s32                value;
 998 };
 999
1000 struct <link linkend="v4l2-ext-control">v4l2_ext_control</link> {
1001         __u32 id;
1002         __u32 size;
1003         __u32 reserved2[1];
1004         union {
1005                 __s32 value;
1006                 __s64 value64;
1007                 char *string;
1008         };
1009 } __attribute__ ((packed));
1010
1011 struct <link linkend="v4l2-ext-controls">v4l2_ext_controls</link> {
1012         __u32 ctrl_class;
1013         __u32 count;
1014         __u32 error_idx;
1015         __u32 reserved[2];
1016         struct <link linkend="v4l2-ext-control">v4l2_ext_control</link> *controls;
1017 };
1018
1019 /*  Values for ctrl_class field */
1020 #define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */
1021 #define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */
1022 #define V4L2_CTRL_CLASS_CAMERA 0x009a0000       /* Camera class controls */
1023 #define V4L2_CTRL_CLASS_FM_TX 0x009b0000        /* FM Modulator control class */
1024
1025 #define V4L2_CTRL_ID_MASK         (0x0fffffff)
1026 #define V4L2_CTRL_ID2CLASS(id)    ((id) &amp; 0x0fff0000UL)
1027 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) &amp; 0xffff) &gt;= 0x1000)
1028
1029 enum <link linkend="v4l2-ctrl-type">v4l2_ctrl_type</link> {
1030         V4L2_CTRL_TYPE_INTEGER       = 1,
1031         V4L2_CTRL_TYPE_BOOLEAN       = 2,
1032         V4L2_CTRL_TYPE_MENU          = 3,
1033         V4L2_CTRL_TYPE_BUTTON        = 4,
1034         V4L2_CTRL_TYPE_INTEGER64     = 5,
1035         V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
1036         V4L2_CTRL_TYPE_STRING        = 7,
1037 };
1038
1039 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1040 struct <link linkend="v4l2-queryctrl">v4l2_queryctrl</link> {
1041         __u32                id;
1042         enum <link linkend="v4l2-ctrl-type">v4l2_ctrl_type</link>  type;
1043         __u8                 name[32];  /* Whatever */
1044         __s32                minimum;   /* Note signedness */
1045         __s32                maximum;
1046         __s32                step;
1047         __s32                default_value;
1048         __u32                flags;
1049         __u32                reserved[2];
1050 };
1051
1052 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1053 struct <link linkend="v4l2-querymenu">v4l2_querymenu</link> {
1054         __u32           id;
1055         __u32           index;
1056         __u8            name[32];       /* Whatever */
1057         __u32           reserved;
1058 };
1059
1060 /*  Control flags  */
1061 #define V4L2_CTRL_FLAG_DISABLED         0x0001
1062 #define V4L2_CTRL_FLAG_GRABBED          0x0002
1063 #define V4L2_CTRL_FLAG_READ_ONLY        0x0004
1064 #define V4L2_CTRL_FLAG_UPDATE           0x0008
1065 #define V4L2_CTRL_FLAG_INACTIVE         0x0010
1066 #define V4L2_CTRL_FLAG_SLIDER           0x0020
1067 #define V4L2_CTRL_FLAG_WRITE_ONLY       0x0040
1068
1069 /*  Query flag, to be ORed with the control ID */
1070 #define V4L2_CTRL_FLAG_NEXT_CTRL        0x80000000
1071
1072 /*  User-class control IDs defined by V4L2 */
1073 #define V4L2_CID_BASE                   (V4L2_CTRL_CLASS_USER | 0x900)
1074 #define V4L2_CID_USER_BASE              V4L2_CID_BASE
1075 /*  IDs reserved for driver specific controls */
1076 #define V4L2_CID_PRIVATE_BASE           0x08000000
1077
1078 #define V4L2_CID_USER_CLASS             (V4L2_CTRL_CLASS_USER | 1)
1079 #define V4L2_CID_BRIGHTNESS             (V4L2_CID_BASE+0)
1080 #define V4L2_CID_CONTRAST               (V4L2_CID_BASE+1)
1081 #define V4L2_CID_SATURATION             (V4L2_CID_BASE+2)
1082 #define V4L2_CID_HUE                    (V4L2_CID_BASE+3)
1083 #define V4L2_CID_AUDIO_VOLUME           (V4L2_CID_BASE+5)
1084 #define V4L2_CID_AUDIO_BALANCE          (V4L2_CID_BASE+6)
1085 #define V4L2_CID_AUDIO_BASS             (V4L2_CID_BASE+7)
1086 #define V4L2_CID_AUDIO_TREBLE           (V4L2_CID_BASE+8)
1087 #define V4L2_CID_AUDIO_MUTE             (V4L2_CID_BASE+9)
1088 #define V4L2_CID_AUDIO_LOUDNESS         (V4L2_CID_BASE+10)
1089 #define V4L2_CID_BLACK_LEVEL            (V4L2_CID_BASE+11) /* Deprecated */
1090 #define V4L2_CID_AUTO_WHITE_BALANCE     (V4L2_CID_BASE+12)
1091 #define V4L2_CID_DO_WHITE_BALANCE       (V4L2_CID_BASE+13)
1092 #define V4L2_CID_RED_BALANCE            (V4L2_CID_BASE+14)
1093 #define V4L2_CID_BLUE_BALANCE           (V4L2_CID_BASE+15)
1094 #define V4L2_CID_GAMMA                  (V4L2_CID_BASE+16)
1095 #define V4L2_CID_WHITENESS              (V4L2_CID_GAMMA) /* Deprecated */
1096 #define V4L2_CID_EXPOSURE               (V4L2_CID_BASE+17)
1097 #define V4L2_CID_AUTOGAIN               (V4L2_CID_BASE+18)
1098 #define V4L2_CID_GAIN                   (V4L2_CID_BASE+19)
1099 #define V4L2_CID_HFLIP                  (V4L2_CID_BASE+20)
1100 #define V4L2_CID_VFLIP                  (V4L2_CID_BASE+21)
1101
1102 /* Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET */
1103 #define V4L2_CID_HCENTER                (V4L2_CID_BASE+22)
1104 #define V4L2_CID_VCENTER                (V4L2_CID_BASE+23)
1105
1106 #define V4L2_CID_POWER_LINE_FREQUENCY   (V4L2_CID_BASE+24)
1107 enum <link linkend="v4l2-power-line-frequency">v4l2_power_line_frequency</link> {
1108         V4L2_CID_POWER_LINE_FREQUENCY_DISABLED  = 0,
1109         V4L2_CID_POWER_LINE_FREQUENCY_50HZ      = 1,
1110         V4L2_CID_POWER_LINE_FREQUENCY_60HZ      = 2,
1111 };
1112 #define V4L2_CID_HUE_AUTO                       (V4L2_CID_BASE+25)
1113 #define V4L2_CID_WHITE_BALANCE_TEMPERATURE      (V4L2_CID_BASE+26)
1114 #define V4L2_CID_SHARPNESS                      (V4L2_CID_BASE+27)
1115 #define V4L2_CID_BACKLIGHT_COMPENSATION         (V4L2_CID_BASE+28)
1116 #define V4L2_CID_CHROMA_AGC                     (V4L2_CID_BASE+29)
1117 #define V4L2_CID_COLOR_KILLER                   (V4L2_CID_BASE+30)
1118 #define V4L2_CID_COLORFX                        (V4L2_CID_BASE+31)
1119 enum <link linkend="v4l2-colorfx">v4l2_colorfx</link> {
1120         V4L2_COLORFX_NONE       = 0,
1121         V4L2_COLORFX_BW         = 1,
1122         V4L2_COLORFX_SEPIA      = 2,
1123         V4L2_COLORFX_NEGATIVE = 3,
1124         V4L2_COLORFX_EMBOSS = 4,
1125         V4L2_COLORFX_SKETCH = 5,
1126         V4L2_COLORFX_SKY_BLUE = 6,
1127         V4L2_COLORFX_GRASS_GREEN = 7,
1128         V4L2_COLORFX_SKIN_WHITEN = 8,
1129         V4L2_COLORFX_VIVID = 9,
1130 };
1131 #define V4L2_CID_AUTOBRIGHTNESS                 (V4L2_CID_BASE+32)
1132 #define V4L2_CID_BAND_STOP_FILTER               (V4L2_CID_BASE+33)
1133
1134 #define V4L2_CID_ROTATE                         (V4L2_CID_BASE+34)
1135 #define V4L2_CID_BG_COLOR                       (V4L2_CID_BASE+35)
1136
1137 #define V4L2_CID_CHROMA_GAIN                    (V4L2_CID_BASE+36)
1138
1139 #define V4L2_CID_ILLUMINATORS_1                 (V4L2_CID_BASE+37)
1140 #define V4L2_CID_ILLUMINATORS_2                 (V4L2_CID_BASE+38)
1141
1142 /* last CID + 1 */
1143 #define V4L2_CID_LASTP1                         (V4L2_CID_BASE+39)
1144
1145 /*  MPEG-class control IDs defined by V4L2 */
1146 #define V4L2_CID_MPEG_BASE                      (V4L2_CTRL_CLASS_MPEG | 0x900)
1147 #define V4L2_CID_MPEG_CLASS                     (V4L2_CTRL_CLASS_MPEG | 1)
1148
1149 /*  MPEG streams */
1150 #define V4L2_CID_MPEG_STREAM_TYPE               (V4L2_CID_MPEG_BASE+0)
1151 enum <link linkend="v4l2-mpeg-stream-type">v4l2_mpeg_stream_type</link> {
1152         V4L2_MPEG_STREAM_TYPE_MPEG2_PS   = 0, /* MPEG-2 program stream */
1153         V4L2_MPEG_STREAM_TYPE_MPEG2_TS   = 1, /* MPEG-2 transport stream */
1154         V4L2_MPEG_STREAM_TYPE_MPEG1_SS   = 2, /* MPEG-1 system stream */
1155         V4L2_MPEG_STREAM_TYPE_MPEG2_DVD  = 3, /* MPEG-2 DVD-compatible stream */
1156         V4L2_MPEG_STREAM_TYPE_MPEG1_VCD  = 4, /* MPEG-1 VCD-compatible stream */
1157         V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */
1158 };
1159 #define V4L2_CID_MPEG_STREAM_PID_PMT            (V4L2_CID_MPEG_BASE+1)
1160 #define V4L2_CID_MPEG_STREAM_PID_AUDIO          (V4L2_CID_MPEG_BASE+2)
1161 #define V4L2_CID_MPEG_STREAM_PID_VIDEO          (V4L2_CID_MPEG_BASE+3)
1162 #define V4L2_CID_MPEG_STREAM_PID_PCR            (V4L2_CID_MPEG_BASE+4)
1163 #define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO       (V4L2_CID_MPEG_BASE+5)
1164 #define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO       (V4L2_CID_MPEG_BASE+6)
1165 #define V4L2_CID_MPEG_STREAM_VBI_FMT            (V4L2_CID_MPEG_BASE+7)
1166 enum <link linkend="v4l2-mpeg-stream-vbi-fmt">v4l2_mpeg_stream_vbi_fmt</link> {
1167         V4L2_MPEG_STREAM_VBI_FMT_NONE = 0,  /* No VBI in the MPEG stream */
1168         V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1,  /* VBI in private packets, IVTV format */
1169 };
1170
1171 /*  MPEG audio */
1172 #define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ       (V4L2_CID_MPEG_BASE+100)
1173 enum <link linkend="v4l2-mpeg-audio-sampling-freq">v4l2_mpeg_audio_sampling_freq</link> {
1174         V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0,
1175         V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1,
1176         V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2,
1177 };
1178 #define V4L2_CID_MPEG_AUDIO_ENCODING            (V4L2_CID_MPEG_BASE+101)
1179 enum <link linkend="v4l2-mpeg-audio-encoding">v4l2_mpeg_audio_encoding</link> {
1180         V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0,
1181         V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1,
1182         V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2,
1183         V4L2_MPEG_AUDIO_ENCODING_AAC     = 3,
1184         V4L2_MPEG_AUDIO_ENCODING_AC3     = 4,
1185 };
1186 #define V4L2_CID_MPEG_AUDIO_L1_BITRATE          (V4L2_CID_MPEG_BASE+102)
1187 enum <link linkend="v4l2-mpeg-audio-l1-bitrate">v4l2_mpeg_audio_l1_bitrate</link> {
1188         V4L2_MPEG_AUDIO_L1_BITRATE_32K  = 0,
1189         V4L2_MPEG_AUDIO_L1_BITRATE_64K  = 1,
1190         V4L2_MPEG_AUDIO_L1_BITRATE_96K  = 2,
1191         V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3,
1192         V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4,
1193         V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5,
1194         V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6,
1195         V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7,
1196         V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8,
1197         V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9,
1198         V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10,
1199         V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11,
1200         V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12,
1201         V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13,
1202 };
1203 #define V4L2_CID_MPEG_AUDIO_L2_BITRATE          (V4L2_CID_MPEG_BASE+103)
1204 enum <link linkend="v4l2-mpeg-audio-l2-bitrate">v4l2_mpeg_audio_l2_bitrate</link> {
1205         V4L2_MPEG_AUDIO_L2_BITRATE_32K  = 0,
1206         V4L2_MPEG_AUDIO_L2_BITRATE_48K  = 1,
1207         V4L2_MPEG_AUDIO_L2_BITRATE_56K  = 2,
1208         V4L2_MPEG_AUDIO_L2_BITRATE_64K  = 3,
1209         V4L2_MPEG_AUDIO_L2_BITRATE_80K  = 4,
1210         V4L2_MPEG_AUDIO_L2_BITRATE_96K  = 5,
1211         V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6,
1212         V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7,
1213         V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8,
1214         V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9,
1215         V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10,
1216         V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11,
1217         V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12,
1218         V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13,
1219 };
1220 #define V4L2_CID_MPEG_AUDIO_L3_BITRATE          (V4L2_CID_MPEG_BASE+104)
1221 enum <link linkend="v4l2-mpeg-audio-l3-bitrate">v4l2_mpeg_audio_l3_bitrate</link> {
1222         V4L2_MPEG_AUDIO_L3_BITRATE_32K  = 0,
1223         V4L2_MPEG_AUDIO_L3_BITRATE_40K  = 1,
1224         V4L2_MPEG_AUDIO_L3_BITRATE_48K  = 2,
1225         V4L2_MPEG_AUDIO_L3_BITRATE_56K  = 3,
1226         V4L2_MPEG_AUDIO_L3_BITRATE_64K  = 4,
1227         V4L2_MPEG_AUDIO_L3_BITRATE_80K  = 5,
1228         V4L2_MPEG_AUDIO_L3_BITRATE_96K  = 6,
1229         V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7,
1230         V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8,
1231         V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9,
1232         V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10,
1233         V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11,
1234         V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12,
1235         V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13,
1236 };
1237 #define V4L2_CID_MPEG_AUDIO_MODE                (V4L2_CID_MPEG_BASE+105)
1238 enum <link linkend="v4l2-mpeg-audio-mode">v4l2_mpeg_audio_mode</link> {
1239         V4L2_MPEG_AUDIO_MODE_STEREO       = 0,
1240         V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1,
1241         V4L2_MPEG_AUDIO_MODE_DUAL         = 2,
1242         V4L2_MPEG_AUDIO_MODE_MONO         = 3,
1243 };
1244 #define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION      (V4L2_CID_MPEG_BASE+106)
1245 enum <link linkend="v4l2-mpeg-audio-mode-extension">v4l2_mpeg_audio_mode_extension</link> {
1246         V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4  = 0,
1247         V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8  = 1,
1248         V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2,
1249         V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3,
1250 };
1251 #define V4L2_CID_MPEG_AUDIO_EMPHASIS            (V4L2_CID_MPEG_BASE+107)
1252 enum <link linkend="v4l2-mpeg-audio-emphasis">v4l2_mpeg_audio_emphasis</link> {
1253         V4L2_MPEG_AUDIO_EMPHASIS_NONE         = 0,
1254         V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1,
1255         V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17    = 2,
1256 };
1257 #define V4L2_CID_MPEG_AUDIO_CRC                 (V4L2_CID_MPEG_BASE+108)
1258 enum <link linkend="v4l2-mpeg-audio-crc">v4l2_mpeg_audio_crc</link> {
1259         V4L2_MPEG_AUDIO_CRC_NONE  = 0,
1260         V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
1261 };
1262 #define V4L2_CID_MPEG_AUDIO_MUTE                (V4L2_CID_MPEG_BASE+109)
1263 #define V4L2_CID_MPEG_AUDIO_AAC_BITRATE         (V4L2_CID_MPEG_BASE+110)
1264 #define V4L2_CID_MPEG_AUDIO_AC3_BITRATE         (V4L2_CID_MPEG_BASE+111)
1265 enum <link linkend="v4l2-mpeg-audio-ac3-bitrate">v4l2_mpeg_audio_ac3_bitrate</link> {
1266         V4L2_MPEG_AUDIO_AC3_BITRATE_32K  = 0,
1267         V4L2_MPEG_AUDIO_AC3_BITRATE_40K  = 1,
1268         V4L2_MPEG_AUDIO_AC3_BITRATE_48K  = 2,
1269         V4L2_MPEG_AUDIO_AC3_BITRATE_56K  = 3,
1270         V4L2_MPEG_AUDIO_AC3_BITRATE_64K  = 4,
1271         V4L2_MPEG_AUDIO_AC3_BITRATE_80K  = 5,
1272         V4L2_MPEG_AUDIO_AC3_BITRATE_96K  = 6,
1273         V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7,
1274         V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8,
1275         V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9,
1276         V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10,
1277         V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11,
1278         V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12,
1279         V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13,
1280         V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14,
1281         V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15,
1282         V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16,
1283         V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17,
1284         V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18,
1285 };
1286
1287 /*  MPEG video */
1288 #define V4L2_CID_MPEG_VIDEO_ENCODING            (V4L2_CID_MPEG_BASE+200)
1289 enum <link linkend="v4l2-mpeg-video-encoding">v4l2_mpeg_video_encoding</link> {
1290         V4L2_MPEG_VIDEO_ENCODING_MPEG_1     = 0,
1291         V4L2_MPEG_VIDEO_ENCODING_MPEG_2     = 1,
1292         V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC = 2,
1293 };
1294 #define V4L2_CID_MPEG_VIDEO_ASPECT              (V4L2_CID_MPEG_BASE+201)
1295 enum <link linkend="v4l2-mpeg-video-aspect">v4l2_mpeg_video_aspect</link> {
1296         V4L2_MPEG_VIDEO_ASPECT_1x1     = 0,
1297         V4L2_MPEG_VIDEO_ASPECT_4x3     = 1,
1298         V4L2_MPEG_VIDEO_ASPECT_16x9    = 2,
1299         V4L2_MPEG_VIDEO_ASPECT_221x100 = 3,
1300 };
1301 #define V4L2_CID_MPEG_VIDEO_B_FRAMES            (V4L2_CID_MPEG_BASE+202)
1302 #define V4L2_CID_MPEG_VIDEO_GOP_SIZE            (V4L2_CID_MPEG_BASE+203)
1303 #define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE         (V4L2_CID_MPEG_BASE+204)
1304 #define V4L2_CID_MPEG_VIDEO_PULLDOWN            (V4L2_CID_MPEG_BASE+205)
1305 #define V4L2_CID_MPEG_VIDEO_BITRATE_MODE        (V4L2_CID_MPEG_BASE+206)
1306 enum <link linkend="v4l2-mpeg-video-bitrate-mode">v4l2_mpeg_video_bitrate_mode</link> {
1307         V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0,
1308         V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,
1309 };
1310 #define V4L2_CID_MPEG_VIDEO_BITRATE             (V4L2_CID_MPEG_BASE+207)
1311 #define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK        (V4L2_CID_MPEG_BASE+208)
1312 #define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209)
1313 #define V4L2_CID_MPEG_VIDEO_MUTE                (V4L2_CID_MPEG_BASE+210)
1314 #define V4L2_CID_MPEG_VIDEO_MUTE_YUV            (V4L2_CID_MPEG_BASE+211)
1315
1316 /*  MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
1317 #define V4L2_CID_MPEG_CX2341X_BASE                              (V4L2_CTRL_CLASS_MPEG | 0x1000)
1318 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE         (V4L2_CID_MPEG_CX2341X_BASE+0)
1319 enum <link linkend="v4l2-mpeg-cx2341x-video-spatial-filter-mode">v4l2_mpeg_cx2341x_video_spatial_filter_mode</link> {
1320         V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0,
1321         V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO   = 1,
1322 };
1323 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER              (V4L2_CID_MPEG_CX2341X_BASE+1)
1324 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE    (V4L2_CID_MPEG_CX2341X_BASE+2)
1325 enum <link linkend="luma-spatial-filter-type">v4l2_mpeg_cx2341x_video_luma_spatial_filter_type</link> {
1326         V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF                  = 0,
1327         V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR               = 1,
1328         V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT              = 2,
1329         V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE      = 3,
1330         V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4,
1331 };
1332 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE  (V4L2_CID_MPEG_CX2341X_BASE+3)
1333 enum <link linkend="chroma-spatial-filter-type">v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type</link> {
1334         V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF    = 0,
1335         V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
1336 };
1337 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE        (V4L2_CID_MPEG_CX2341X_BASE+4)
1338 enum <link linkend="v4l2-mpeg-cx2341x-video-temporal-filter-mode">v4l2_mpeg_cx2341x_video_temporal_filter_mode</link> {
1339         V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0,
1340         V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO   = 1,
1341 };
1342 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER             (V4L2_CID_MPEG_CX2341X_BASE+5)
1343 #define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE          (V4L2_CID_MPEG_CX2341X_BASE+6)
1344 enum <link linkend="v4l2-mpeg-cx2341x-video-median-filter-type">v4l2_mpeg_cx2341x_video_median_filter_type</link> {
1345         V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF      = 0,
1346         V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR      = 1,
1347         V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT     = 2,
1348         V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3,
1349         V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG     = 4,
1350 };
1351 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM   (V4L2_CID_MPEG_CX2341X_BASE+7)
1352 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP      (V4L2_CID_MPEG_CX2341X_BASE+8)
1353 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+9)
1354 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP    (V4L2_CID_MPEG_CX2341X_BASE+10)
1355 #define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS         (V4L2_CID_MPEG_CX2341X_BASE+11)
1356
1357 /*  Camera class control IDs */
1358 #define V4L2_CID_CAMERA_CLASS_BASE      (V4L2_CTRL_CLASS_CAMERA | 0x900)
1359 #define V4L2_CID_CAMERA_CLASS           (V4L2_CTRL_CLASS_CAMERA | 1)
1360
1361 #define V4L2_CID_EXPOSURE_AUTO                  (V4L2_CID_CAMERA_CLASS_BASE+1)
1362 enum  <link linkend="v4l2-exposure-auto-type">v4l2_exposure_auto_type</link> {
1363         V4L2_EXPOSURE_AUTO = 0,
1364         V4L2_EXPOSURE_MANUAL = 1,
1365         V4L2_EXPOSURE_SHUTTER_PRIORITY = 2,
1366         V4L2_EXPOSURE_APERTURE_PRIORITY = 3
1367 };
1368 #define V4L2_CID_EXPOSURE_ABSOLUTE              (V4L2_CID_CAMERA_CLASS_BASE+2)
1369 #define V4L2_CID_EXPOSURE_AUTO_PRIORITY         (V4L2_CID_CAMERA_CLASS_BASE+3)
1370
1371 #define V4L2_CID_PAN_RELATIVE                   (V4L2_CID_CAMERA_CLASS_BASE+4)
1372 #define V4L2_CID_TILT_RELATIVE                  (V4L2_CID_CAMERA_CLASS_BASE+5)
1373 #define V4L2_CID_PAN_RESET                      (V4L2_CID_CAMERA_CLASS_BASE+6)
1374 #define V4L2_CID_TILT_RESET                     (V4L2_CID_CAMERA_CLASS_BASE+7)
1375
1376 #define V4L2_CID_PAN_ABSOLUTE                   (V4L2_CID_CAMERA_CLASS_BASE+8)
1377 #define V4L2_CID_TILT_ABSOLUTE                  (V4L2_CID_CAMERA_CLASS_BASE+9)
1378
1379 #define V4L2_CID_FOCUS_ABSOLUTE                 (V4L2_CID_CAMERA_CLASS_BASE+10)
1380 #define V4L2_CID_FOCUS_RELATIVE                 (V4L2_CID_CAMERA_CLASS_BASE+11)
1381 #define V4L2_CID_FOCUS_AUTO                     (V4L2_CID_CAMERA_CLASS_BASE+12)
1382
1383 #define V4L2_CID_ZOOM_ABSOLUTE                  (V4L2_CID_CAMERA_CLASS_BASE+13)
1384 #define V4L2_CID_ZOOM_RELATIVE                  (V4L2_CID_CAMERA_CLASS_BASE+14)
1385 #define V4L2_CID_ZOOM_CONTINUOUS                (V4L2_CID_CAMERA_CLASS_BASE+15)
1386
1387 #define V4L2_CID_PRIVACY                        (V4L2_CID_CAMERA_CLASS_BASE+16)
1388
1389 #define V4L2_CID_IRIS_ABSOLUTE                  (V4L2_CID_CAMERA_CLASS_BASE+17)
1390 #define V4L2_CID_IRIS_RELATIVE                  (V4L2_CID_CAMERA_CLASS_BASE+18)
1391
1392 /* FM Modulator class control IDs */
1393 #define V4L2_CID_FM_TX_CLASS_BASE               (V4L2_CTRL_CLASS_FM_TX | 0x900)
1394 #define V4L2_CID_FM_TX_CLASS                    (V4L2_CTRL_CLASS_FM_TX | 1)
1395
1396 #define V4L2_CID_RDS_TX_DEVIATION               (V4L2_CID_FM_TX_CLASS_BASE + 1)
1397 #define V4L2_CID_RDS_TX_PI                      (V4L2_CID_FM_TX_CLASS_BASE + 2)
1398 #define V4L2_CID_RDS_TX_PTY                     (V4L2_CID_FM_TX_CLASS_BASE + 3)
1399 #define V4L2_CID_RDS_TX_PS_NAME                 (V4L2_CID_FM_TX_CLASS_BASE + 5)
1400 #define V4L2_CID_RDS_TX_RADIO_TEXT              (V4L2_CID_FM_TX_CLASS_BASE + 6)
1401
1402 #define V4L2_CID_AUDIO_LIMITER_ENABLED          (V4L2_CID_FM_TX_CLASS_BASE + 64)
1403 #define V4L2_CID_AUDIO_LIMITER_RELEASE_TIME     (V4L2_CID_FM_TX_CLASS_BASE + 65)
1404 #define V4L2_CID_AUDIO_LIMITER_DEVIATION        (V4L2_CID_FM_TX_CLASS_BASE + 66)
1405
1406 #define V4L2_CID_AUDIO_COMPRESSION_ENABLED      (V4L2_CID_FM_TX_CLASS_BASE + 80)
1407 #define V4L2_CID_AUDIO_COMPRESSION_GAIN         (V4L2_CID_FM_TX_CLASS_BASE + 81)
1408 #define V4L2_CID_AUDIO_COMPRESSION_THRESHOLD    (V4L2_CID_FM_TX_CLASS_BASE + 82)
1409 #define V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME  (V4L2_CID_FM_TX_CLASS_BASE + 83)
1410 #define V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME (V4L2_CID_FM_TX_CLASS_BASE + 84)
1411
1412 #define V4L2_CID_PILOT_TONE_ENABLED             (V4L2_CID_FM_TX_CLASS_BASE + 96)
1413 #define V4L2_CID_PILOT_TONE_DEVIATION           (V4L2_CID_FM_TX_CLASS_BASE + 97)
1414 #define V4L2_CID_PILOT_TONE_FREQUENCY           (V4L2_CID_FM_TX_CLASS_BASE + 98)
1415
1416 #define V4L2_CID_TUNE_PREEMPHASIS               (V4L2_CID_FM_TX_CLASS_BASE + 112)
1417 enum <link linkend="v4l2-preemphasis">v4l2_preemphasis</link> {
1418         V4L2_PREEMPHASIS_DISABLED       = 0,
1419         V4L2_PREEMPHASIS_50_uS          = 1,
1420         V4L2_PREEMPHASIS_75_uS          = 2,
1421 };
1422 #define V4L2_CID_TUNE_POWER_LEVEL               (V4L2_CID_FM_TX_CLASS_BASE + 113)
1423 #define V4L2_CID_TUNE_ANTENNA_CAPACITOR         (V4L2_CID_FM_TX_CLASS_BASE + 114)
1424
1425 /*
1426  *      T U N I N G
1427  */
1428 struct <link linkend="v4l2-tuner">v4l2_tuner</link> {
1429         __u32                   index;
1430         __u8                    name[32];
1431         enum <link linkend="v4l2-tuner-type">v4l2_tuner_type</link>    type;
1432         __u32                   capability;
1433         __u32                   rangelow;
1434         __u32                   rangehigh;
1435         __u32                   rxsubchans;
1436         __u32                   audmode;
1437         __s32                   signal;
1438         __s32                   afc;
1439         __u32                   reserved[4];
1440 };
1441
1442 struct <link linkend="v4l2-modulator">v4l2_modulator</link> {
1443         __u32                   index;
1444         __u8                    name[32];
1445         __u32                   capability;
1446         __u32                   rangelow;
1447         __u32                   rangehigh;
1448         __u32                   txsubchans;
1449         __u32                   reserved[4];
1450 };
1451
1452 /*  Flags for the 'capability' field */
1453 #define V4L2_TUNER_CAP_LOW              0x0001
1454 #define V4L2_TUNER_CAP_NORM             0x0002
1455 #define V4L2_TUNER_CAP_STEREO           0x0010
1456 #define V4L2_TUNER_CAP_LANG2            0x0020
1457 #define V4L2_TUNER_CAP_SAP              0x0020
1458 #define V4L2_TUNER_CAP_LANG1            0x0040
1459 #define V4L2_TUNER_CAP_RDS              0x0080
1460 #define V4L2_TUNER_CAP_RDS_BLOCK_IO     0x0100
1461 #define V4L2_TUNER_CAP_RDS_CONTROLS     0x0200
1462
1463 /*  Flags for the 'rxsubchans' field */
1464 #define V4L2_TUNER_SUB_MONO             0x0001
1465 #define V4L2_TUNER_SUB_STEREO           0x0002
1466 #define V4L2_TUNER_SUB_LANG2            0x0004
1467 #define V4L2_TUNER_SUB_SAP              0x0004
1468 #define V4L2_TUNER_SUB_LANG1            0x0008
1469 #define V4L2_TUNER_SUB_RDS              0x0010
1470
1471 /*  Values for the 'audmode' field */
1472 #define V4L2_TUNER_MODE_MONO            0x0000
1473 #define V4L2_TUNER_MODE_STEREO          0x0001
1474 #define V4L2_TUNER_MODE_LANG2           0x0002
1475 #define V4L2_TUNER_MODE_SAP             0x0002
1476 #define V4L2_TUNER_MODE_LANG1           0x0003
1477 #define V4L2_TUNER_MODE_LANG1_LANG2     0x0004
1478
1479 struct <link linkend="v4l2-frequency">v4l2_frequency</link> {
1480         __u32                 tuner;
1481         enum <link linkend="v4l2-tuner-type">v4l2_tuner_type</link>  type;
1482         __u32                 frequency;
1483         __u32                 reserved[8];
1484 };
1485
1486 struct <link linkend="v4l2-hw-freq-seek">v4l2_hw_freq_seek</link> {
1487         __u32                 tuner;
1488         enum <link linkend="v4l2-tuner-type">v4l2_tuner_type</link>  type;
1489         __u32                 seek_upward;
1490         __u32                 wrap_around;
1491         __u32                 spacing;
1492         __u32                 reserved[7];
1493 };
1494
1495 /*
1496  *      R D S
1497  */
1498
1499 struct <link linkend="v4l2-rds-data">v4l2_rds_data</link> {
1500         __u8    lsb;
1501         __u8    msb;
1502         __u8    block;
1503 } __attribute__ ((packed));
1504
1505 #define V4L2_RDS_BLOCK_MSK       0x7
1506 #define V4L2_RDS_BLOCK_A         0
1507 #define V4L2_RDS_BLOCK_B         1
1508 #define V4L2_RDS_BLOCK_C         2
1509 #define V4L2_RDS_BLOCK_D         3
1510 #define V4L2_RDS_BLOCK_C_ALT     4
1511 #define V4L2_RDS_BLOCK_INVALID   7
1512
1513 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1514 #define V4L2_RDS_BLOCK_ERROR     0x80
1515
1516 /*
1517  *      A U D I O
1518  */
1519 struct <link linkend="v4l2-audio">v4l2_audio</link> {
1520         __u32   index;
1521         __u8    name[32];
1522         __u32   capability;
1523         __u32   mode;
1524         __u32   reserved[2];
1525 };
1526
1527 /*  Flags for the 'capability' field */
1528 #define V4L2_AUDCAP_STEREO              0x00001
1529 #define V4L2_AUDCAP_AVL                 0x00002
1530
1531 /*  Flags for the 'mode' field */
1532 #define V4L2_AUDMODE_AVL                0x00001
1533
1534 struct <link linkend="v4l2-audioout">v4l2_audioout</link> {
1535         __u32   index;
1536         __u8    name[32];
1537         __u32   capability;
1538         __u32   mode;
1539         __u32   reserved[2];
1540 };
1541
1542 /*
1543  *      M P E G   S E R V I C E S
1544  *
1545  *      NOTE: EXPERIMENTAL API
1546  */
1547 #if 1
1548 #define V4L2_ENC_IDX_FRAME_I    (0)
1549 #define V4L2_ENC_IDX_FRAME_P    (1)
1550 #define V4L2_ENC_IDX_FRAME_B    (2)
1551 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1552
1553 struct <link linkend="v4l2-enc-idx-entry">v4l2_enc_idx_entry</link> {
1554         __u64 offset;
1555         __u64 pts;
1556         __u32 length;
1557         __u32 flags;
1558         __u32 reserved[2];
1559 };
1560
1561 #define V4L2_ENC_IDX_ENTRIES (64)
1562 struct <link linkend="v4l2-enc-idx">v4l2_enc_idx</link> {
1563         __u32 entries;
1564         __u32 entries_cap;
1565         __u32 reserved[4];
1566         struct <link linkend="v4l2-enc-idx-entry">v4l2_enc_idx_entry</link> entry[V4L2_ENC_IDX_ENTRIES];
1567 };
1568
1569
1570 #define V4L2_ENC_CMD_START      (0)
1571 #define V4L2_ENC_CMD_STOP       (1)
1572 #define V4L2_ENC_CMD_PAUSE      (2)
1573 #define V4L2_ENC_CMD_RESUME     (3)
1574
1575 /* Flags for V4L2_ENC_CMD_STOP */
1576 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 &lt;&lt; 0)
1577
1578 struct <link linkend="v4l2-encoder-cmd">v4l2_encoder_cmd</link> {
1579         __u32 cmd;
1580         __u32 flags;
1581         union {
1582                 struct {
1583                         __u32 data[8];
1584                 } raw;
1585         };
1586 };
1587
1588 #endif
1589
1590
1591 /*
1592  *      D A T A   S E R V I C E S   ( V B I )
1593  *
1594  *      Data services API by Michael Schimek
1595  */
1596
1597 /* Raw VBI */
1598 struct <link linkend="v4l2-vbi-format">v4l2_vbi_format</link> {
1599         __u32   sampling_rate;          /* in 1 Hz */
1600         __u32   offset;
1601         __u32   samples_per_line;
1602         __u32   sample_format;          /* V4L2_PIX_FMT_* */
1603         __s32   start[2];
1604         __u32   count[2];
1605         __u32   flags;                  /* V4L2_VBI_* */
1606         __u32   reserved[2];            /* must be zero */
1607 };
1608
1609 /*  VBI flags  */
1610 #define V4L2_VBI_UNSYNC         (1 &lt;&lt; 0)
1611 #define V4L2_VBI_INTERLACED     (1 &lt;&lt; 1)
1612
1613 /* Sliced VBI
1614  *
1615  *    This implements is a proposal V4L2 API to allow SLICED VBI
1616  * required for some hardware encoders. It should change without
1617  * notice in the definitive implementation.
1618  */
1619
1620 struct <link linkend="v4l2-sliced-vbi-format">v4l2_sliced_vbi_format</link> {
1621         __u16   service_set;
1622         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1623            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1624                                  (equals frame lines 313-336 for 625 line video
1625                                   standards, 263-286 for 525 line standards) */
1626         __u16   service_lines[2][24];
1627         __u32   io_size;
1628         __u32   reserved[2];            /* must be zero */
1629 };
1630
1631 /* Teletext World System Teletext
1632    (WST), defined on ITU-R BT.653-2 */
1633 #define V4L2_SLICED_TELETEXT_B          (0x0001)
1634 /* Video Program System, defined on ETS 300 231*/
1635 #define V4L2_SLICED_VPS                 (0x0400)
1636 /* Closed Caption, defined on EIA-608 */
1637 #define V4L2_SLICED_CAPTION_525         (0x1000)
1638 /* Wide Screen System, defined on ITU-R BT1119.1 */
1639 #define V4L2_SLICED_WSS_625             (0x4000)
1640
1641 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
1642 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1643
1644 struct <link linkend="v4l2-sliced-vbi-cap">v4l2_sliced_vbi_cap</link> {
1645         __u16   service_set;
1646         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1647            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1648                                  (equals frame lines 313-336 for 625 line video
1649                                   standards, 263-286 for 525 line standards) */
1650         __u16   service_lines[2][24];
1651         enum <link linkend="v4l2-buf-type">v4l2_buf_type</link> type;
1652         __u32   reserved[3];    /* must be 0 */
1653 };
1654
1655 struct <link linkend="v4l2-sliced-vbi-data">v4l2_sliced_vbi_data</link> {
1656         __u32   id;
1657         __u32   field;          /* 0: first field, 1: second field */
1658         __u32   line;           /* 1-23 */
1659         __u32   reserved;       /* must be 0 */
1660         __u8    data[48];
1661 };
1662
1663 /*
1664  * Sliced VBI data inserted into MPEG Streams
1665  */
1666
1667 /*
1668  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1669  *
1670  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1671  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1672  * data
1673  *
1674  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1675  * definitions are not included here.  See the MPEG-2 specifications for details
1676  * on these headers.
1677  */
1678
1679 /* Line type IDs */
1680 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
1681 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
1682 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
1683 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
1684
1685 struct <link linkend="v4l2-mpeg-vbi-itv0-line">v4l2_mpeg_vbi_itv0_line</link> {
1686         __u8 id;        /* One of V4L2_MPEG_VBI_IVTV_* above */
1687         __u8 data[42];  /* Sliced VBI data for the line */
1688 } __attribute__ ((packed));
1689
1690 struct <link linkend="v4l2-mpeg-vbi-itv0">v4l2_mpeg_vbi_itv0</link> {
1691         __le32 linemask[2]; /* Bitmasks of VBI service lines present */
1692         struct <link linkend="v4l2-mpeg-vbi-itv0-line">v4l2_mpeg_vbi_itv0_line</link> line[35];
1693 } __attribute__ ((packed));
1694
1695 struct <link linkend="v4l2-mpeg-vbi-itv0-1">v4l2_mpeg_vbi_ITV0</link> {
1696         struct <link linkend="v4l2-mpeg-vbi-itv0-line">v4l2_mpeg_vbi_itv0_line</link> line[36];
1697 } __attribute__ ((packed));
1698
1699 #define V4L2_MPEG_VBI_IVTV_MAGIC0       "itv0"
1700 #define V4L2_MPEG_VBI_IVTV_MAGIC1       "ITV0"
1701
1702 struct <link linkend="v4l2-mpeg-vbi-fmt-ivtv">v4l2_mpeg_vbi_fmt_ivtv</link> {
1703         __u8 magic[4];
1704         union {
1705                 struct <link linkend="v4l2-mpeg-vbi-itv0">v4l2_mpeg_vbi_itv0</link> itv0;
1706                 struct <link linkend="v4l2-mpeg-vbi-itv0-1">v4l2_mpeg_vbi_ITV0</link> ITV0;
1707         };
1708 } __attribute__ ((packed));
1709
1710 /*
1711  *      A G G R E G A T E   S T R U C T U R E S
1712  */
1713
1714 /**
1715  * struct <link linkend="v4l2-plane-pix-format">v4l2_plane_pix_format</link> - additional, per-plane format definition
1716  * @sizeimage:          maximum size in bytes required for data, for which
1717  *                      this plane will be used
1718  * @bytesperline:       distance in bytes between the leftmost pixels in two
1719  *                      adjacent lines
1720  */
1721 struct <link linkend="v4l2-plane-pix-format">v4l2_plane_pix_format</link> {
1722         __u32           sizeimage;
1723         __u16           bytesperline;
1724         __u16           reserved[7];
1725 } __attribute__ ((packed));
1726
1727 /**
1728  * struct <link linkend="v4l2-pix-format-mplane">v4l2_pix_format_mplane</link> - multiplanar format definition
1729  * @width:              image width in pixels
1730  * @height:             image height in pixels
1731  * @pixelformat:        little endian four character code (fourcc)
1732  * @field:              field order (for interlaced video)
1733  * @colorspace:         supplemental to pixelformat
1734  * @plane_fmt:          per-plane information
1735  * @num_planes:         number of planes for this format
1736  */
1737 struct <link linkend="v4l2-pix-format-mplane">v4l2_pix_format_mplane</link> {
1738         __u32                           width;
1739         __u32                           height;
1740         __u32                           pixelformat;
1741         enum <link linkend="v4l2-field">v4l2_field</link>                 field;
1742         enum <link linkend="v4l2-colorspace">v4l2_colorspace</link>            colorspace;
1743
1744         struct <link linkend="v4l2-plane-pix-format">v4l2_plane_pix_format</link>    plane_fmt[VIDEO_MAX_PLANES];
1745         __u8                            num_planes;
1746         __u8                            reserved[11];
1747 } __attribute__ ((packed));
1748
1749 /**
1750  * struct <link linkend="v4l2-format">v4l2_format</link> - stream data format
1751  * @type:       type of the data stream
1752  * @pix:        definition of an image format
1753  * @pix_mp:     definition of a multiplanar image format
1754  * @win:        definition of an overlaid image
1755  * @vbi:        raw VBI capture or output parameters
1756  * @sliced:     sliced VBI capture or output parameters
1757  * @raw_data:   placeholder for future extensions and custom formats
1758  */
1759 struct <link linkend="v4l2-format">v4l2_format</link> {
1760         enum <link linkend="v4l2-buf-type">v4l2_buf_type</link> type;
1761         union {
1762                 struct <link linkend="v4l2-pix-format">v4l2_pix_format</link>          pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
1763                 struct <link linkend="v4l2-pix-format-mplane">v4l2_pix_format_mplane</link>   pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
1764                 struct <link linkend="v4l2-window">v4l2_window</link>              win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
1765                 struct <link linkend="v4l2-vbi-format">v4l2_vbi_format</link>          vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
1766                 struct <link linkend="v4l2-sliced-vbi-format">v4l2_sliced_vbi_format</link>   sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
1767                 __u8    raw_data[200];                   /* user-defined */
1768         } fmt;
1769 };
1770
1771 /*      Stream type-dependent parameters
1772  */
1773 struct <link linkend="v4l2-streamparm">v4l2_streamparm</link> {
1774         enum <link linkend="v4l2-buf-type">v4l2_buf_type</link> type;
1775         union {
1776                 struct <link linkend="v4l2-captureparm">v4l2_captureparm</link> capture;
1777                 struct <link linkend="v4l2-outputparm">v4l2_outputparm</link>  output;
1778                 __u8    raw_data[200];  /* user-defined */
1779         } parm;
1780 };
1781
1782 /*
1783  *      E V E N T S
1784  */
1785
1786 #define V4L2_EVENT_ALL                          0
1787 #define V4L2_EVENT_VSYNC                        1
1788 #define V4L2_EVENT_EOS                          2
1789 #define V4L2_EVENT_PRIVATE_START                0x08000000
1790
1791 /* Payload for V4L2_EVENT_VSYNC */
1792 struct <link linkend="v4l2-event-vsync">v4l2_event_vsync</link> {
1793         /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
1794         __u8 field;
1795 } __attribute__ ((packed));
1796
1797 struct <link linkend="v4l2-event">v4l2_event</link> {
1798         __u32                           type;
1799         union {
1800                 struct <link linkend="v4l2-event-vsync">v4l2_event_vsync</link> vsync;
1801                 __u8                    data[64];
1802         } u;
1803         __u32                           pending;
1804         __u32                           sequence;
1805         struct timespec                 timestamp;
1806         __u32                           reserved[9];
1807 };
1808
1809 struct <link linkend="v4l2-event-subscription">v4l2_event_subscription</link> {
1810         __u32                           type;
1811         __u32                           reserved[7];
1812 };
1813
1814 /*
1815  *      A D V A N C E D   D E B U G G I N G
1816  *
1817  *      NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
1818  *      FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
1819  */
1820
1821 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
1822
1823 #define V4L2_CHIP_MATCH_HOST       0  /* Match against chip ID on host (0 for the host) */
1824 #define V4L2_CHIP_MATCH_I2C_DRIVER 1  /* Match against I2C driver name */
1825 #define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
1826 #define V4L2_CHIP_MATCH_AC97       3  /* Match against anciliary AC97 chip */
1827
1828 struct <link linkend="v4l2-dbg-match">v4l2_dbg_match</link> {
1829         __u32 type; /* Match type */
1830         union {     /* Match this chip, meaning determined by type */
1831                 __u32 addr;
1832                 char name[32];
1833         };
1834 } __attribute__ ((packed));
1835
1836 struct <link linkend="v4l2-dbg-register">v4l2_dbg_register</link> {
1837         struct <link linkend="v4l2-dbg-match">v4l2_dbg_match</link> match;
1838         __u32 size;     /* register size in bytes */
1839         __u64 reg;
1840         __u64 val;
1841 } __attribute__ ((packed));
1842
1843 /* VIDIOC_DBG_G_CHIP_IDENT */
1844 struct <link linkend="v4l2-dbg-chip-ident">v4l2_dbg_chip_ident</link> {
1845         struct <link linkend="v4l2-dbg-match">v4l2_dbg_match</link> match;
1846         __u32 ident;       /* chip identifier as specified in &lt;media/v4l2-chip-ident.h&gt; */
1847         __u32 revision;    /* chip revision, chip specific */
1848 } __attribute__ ((packed));
1849
1850 /*
1851  *      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
1852  *
1853  */
1854 #define VIDIOC_QUERYCAP          _IOR('V',  0, struct <link linkend="v4l2-capability">v4l2_capability</link>)
1855 #define VIDIOC_RESERVED           _IO('V',  1)
1856 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct <link linkend="v4l2-fmtdesc">v4l2_fmtdesc</link>)
1857 #define VIDIOC_G_FMT            _IOWR('V',  4, struct <link linkend="v4l2-format">v4l2_format</link>)
1858 #define VIDIOC_S_FMT            _IOWR('V',  5, struct <link linkend="v4l2-format">v4l2_format</link>)
1859 #define VIDIOC_REQBUFS          _IOWR('V',  8, struct <link linkend="v4l2-requestbuffers">v4l2_requestbuffers</link>)
1860 #define VIDIOC_QUERYBUF         _IOWR('V',  9, struct <link linkend="v4l2-buffer">v4l2_buffer</link>)
1861 #define VIDIOC_G_FBUF            _IOR('V', 10, struct <link linkend="v4l2-framebuffer">v4l2_framebuffer</link>)
1862 #define VIDIOC_S_FBUF            _IOW('V', 11, struct <link linkend="v4l2-framebuffer">v4l2_framebuffer</link>)
1863 #define VIDIOC_OVERLAY           _IOW('V', 14, int)
1864 #define VIDIOC_QBUF             _IOWR('V', 15, struct <link linkend="v4l2-buffer">v4l2_buffer</link>)
1865 #define VIDIOC_DQBUF            _IOWR('V', 17, struct <link linkend="v4l2-buffer">v4l2_buffer</link>)
1866 #define VIDIOC_STREAMON          _IOW('V', 18, int)
1867 #define VIDIOC_STREAMOFF         _IOW('V', 19, int)
1868 #define VIDIOC_G_PARM           _IOWR('V', 21, struct <link linkend="v4l2-streamparm">v4l2_streamparm</link>)
1869 #define VIDIOC_S_PARM           _IOWR('V', 22, struct <link linkend="v4l2-streamparm">v4l2_streamparm</link>)
1870 #define VIDIOC_G_STD             _IOR('V', 23, v4l2_std_id)
1871 #define VIDIOC_S_STD             _IOW('V', 24, v4l2_std_id)
1872 #define VIDIOC_ENUMSTD          _IOWR('V', 25, struct <link linkend="v4l2-standard">v4l2_standard</link>)
1873 #define VIDIOC_ENUMINPUT        _IOWR('V', 26, struct <link linkend="v4l2-input">v4l2_input</link>)
1874 #define VIDIOC_G_CTRL           _IOWR('V', 27, struct <link linkend="v4l2-control">v4l2_control</link>)
1875 #define VIDIOC_S_CTRL           _IOWR('V', 28, struct <link linkend="v4l2-control">v4l2_control</link>)
1876 #define VIDIOC_G_TUNER          _IOWR('V', 29, struct <link linkend="v4l2-tuner">v4l2_tuner</link>)
1877 #define VIDIOC_S_TUNER           _IOW('V', 30, struct <link linkend="v4l2-tuner">v4l2_tuner</link>)
1878 #define VIDIOC_G_AUDIO           _IOR('V', 33, struct <link linkend="v4l2-audio">v4l2_audio</link>)
1879 #define VIDIOC_S_AUDIO           _IOW('V', 34, struct <link linkend="v4l2-audio">v4l2_audio</link>)
1880 #define VIDIOC_QUERYCTRL        _IOWR('V', 36, struct <link linkend="v4l2-queryctrl">v4l2_queryctrl</link>)
1881 #define VIDIOC_QUERYMENU        _IOWR('V', 37, struct <link linkend="v4l2-querymenu">v4l2_querymenu</link>)
1882 #define VIDIOC_G_INPUT           _IOR('V', 38, int)
1883 #define VIDIOC_S_INPUT          _IOWR('V', 39, int)
1884 #define VIDIOC_G_OUTPUT          _IOR('V', 46, int)
1885 #define VIDIOC_S_OUTPUT         _IOWR('V', 47, int)
1886 #define VIDIOC_ENUMOUTPUT       _IOWR('V', 48, struct <link linkend="v4l2-output">v4l2_output</link>)
1887 #define VIDIOC_G_AUDOUT          _IOR('V', 49, struct <link linkend="v4l2-audioout">v4l2_audioout</link>)
1888 #define VIDIOC_S_AUDOUT          _IOW('V', 50, struct <link linkend="v4l2-audioout">v4l2_audioout</link>)
1889 #define VIDIOC_G_MODULATOR      _IOWR('V', 54, struct <link linkend="v4l2-modulator">v4l2_modulator</link>)
1890 #define VIDIOC_S_MODULATOR       _IOW('V', 55, struct <link linkend="v4l2-modulator">v4l2_modulator</link>)
1891 #define VIDIOC_G_FREQUENCY      _IOWR('V', 56, struct <link linkend="v4l2-frequency">v4l2_frequency</link>)
1892 #define VIDIOC_S_FREQUENCY       _IOW('V', 57, struct <link linkend="v4l2-frequency">v4l2_frequency</link>)
1893 #define VIDIOC_CROPCAP          _IOWR('V', 58, struct <link linkend="v4l2-cropcap">v4l2_cropcap</link>)
1894 #define VIDIOC_G_CROP           _IOWR('V', 59, struct <link linkend="v4l2-crop">v4l2_crop</link>)
1895 #define VIDIOC_S_CROP            _IOW('V', 60, struct <link linkend="v4l2-crop">v4l2_crop</link>)
1896 #define VIDIOC_G_JPEGCOMP        _IOR('V', 61, struct <link linkend="v4l2-jpegcompression">v4l2_jpegcompression</link>)
1897 #define VIDIOC_S_JPEGCOMP        _IOW('V', 62, struct <link linkend="v4l2-jpegcompression">v4l2_jpegcompression</link>)
1898 #define VIDIOC_QUERYSTD          _IOR('V', 63, v4l2_std_id)
1899 #define VIDIOC_TRY_FMT          _IOWR('V', 64, struct <link linkend="v4l2-format">v4l2_format</link>)
1900 #define VIDIOC_ENUMAUDIO        _IOWR('V', 65, struct <link linkend="v4l2-audio">v4l2_audio</link>)
1901 #define VIDIOC_ENUMAUDOUT       _IOWR('V', 66, struct <link linkend="v4l2-audioout">v4l2_audioout</link>)
1902 #define VIDIOC_G_PRIORITY        _IOR('V', 67, enum <link linkend="v4l2-priority">v4l2_priority</link>)
1903 #define VIDIOC_S_PRIORITY        _IOW('V', 68, enum <link linkend="v4l2-priority">v4l2_priority</link>)
1904 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct <link linkend="v4l2-sliced-vbi-cap">v4l2_sliced_vbi_cap</link>)
1905 #define VIDIOC_LOG_STATUS         _IO('V', 70)
1906 #define VIDIOC_G_EXT_CTRLS      _IOWR('V', 71, struct <link linkend="v4l2-ext-controls">v4l2_ext_controls</link>)
1907 #define VIDIOC_S_EXT_CTRLS      _IOWR('V', 72, struct <link linkend="v4l2-ext-controls">v4l2_ext_controls</link>)
1908 #define VIDIOC_TRY_EXT_CTRLS    _IOWR('V', 73, struct <link linkend="v4l2-ext-controls">v4l2_ext_controls</link>)
1909 #if 1
1910 #define VIDIOC_ENUM_FRAMESIZES  _IOWR('V', 74, struct <link linkend="v4l2-frmsizeenum">v4l2_frmsizeenum</link>)
1911 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct <link linkend="v4l2-frmivalenum">v4l2_frmivalenum</link>)
1912 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct <link linkend="v4l2-enc-idx">v4l2_enc_idx</link>)
1913 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct <link linkend="v4l2-encoder-cmd">v4l2_encoder_cmd</link>)
1914 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct <link linkend="v4l2-encoder-cmd">v4l2_encoder_cmd</link>)
1915 #endif
1916
1917 #if 1
1918 /* Experimental, meant for debugging, testing and internal use.
1919    Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
1920    You must be root to use these ioctls. Never use these in applications! */
1921 #define VIDIOC_DBG_S_REGISTER    _IOW('V', 79, struct <link linkend="v4l2-dbg-register">v4l2_dbg_register</link>)
1922 #define VIDIOC_DBG_G_REGISTER   _IOWR('V', 80, struct <link linkend="v4l2-dbg-register">v4l2_dbg_register</link>)
1923
1924 /* Experimental, meant for debugging, testing and internal use.
1925    Never use this ioctl in applications! */
1926 #define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct <link linkend="v4l2-dbg-chip-ident">v4l2_dbg_chip_ident</link>)
1927 #endif
1928
1929 #define VIDIOC_S_HW_FREQ_SEEK    _IOW('V', 82, struct <link linkend="v4l2-hw-freq-seek">v4l2_hw_freq_seek</link>)
1930 #define VIDIOC_ENUM_DV_PRESETS  _IOWR('V', 83, struct <link linkend="v4l2-dv-enum-preset">v4l2_dv_enum_preset</link>)
1931 #define VIDIOC_S_DV_PRESET      _IOWR('V', 84, struct <link linkend="v4l2-dv-preset">v4l2_dv_preset</link>)
1932 #define VIDIOC_G_DV_PRESET      _IOWR('V', 85, struct <link linkend="v4l2-dv-preset">v4l2_dv_preset</link>)
1933 #define VIDIOC_QUERY_DV_PRESET  _IOR('V',  86, struct <link linkend="v4l2-dv-preset">v4l2_dv_preset</link>)
1934 #define VIDIOC_S_DV_TIMINGS     _IOWR('V', 87, struct <link linkend="v4l2-dv-timings">v4l2_dv_timings</link>)
1935 #define VIDIOC_G_DV_TIMINGS     _IOWR('V', 88, struct <link linkend="v4l2-dv-timings">v4l2_dv_timings</link>)
1936 #define VIDIOC_DQEVENT           _IOR('V', 89, struct <link linkend="v4l2-event">v4l2_event</link>)
1937 #define VIDIOC_SUBSCRIBE_EVENT   _IOW('V', 90, struct <link linkend="v4l2-event-subscription">v4l2_event_subscription</link>)
1938 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct <link linkend="v4l2-event-subscription">v4l2_event_subscription</link>)
1939
1940 /* Reminder: when adding new ioctls please add support for them to
1941    drivers/media/video/v4l2-compat-ioctl32.c as well! */
1942
1943 #define BASE_VIDIOC_PRIVATE     192             /* 192-255 are private */
1944
1945 #endif /* __LINUX_VIDEODEV2_H */
1946 </programlisting>