The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/contrib/v4l/videodev2.h

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    1 /*
    2  *  Video for Linux Two header file
    3  *
    4  *  Copyright (C) 1999-2007 the contributors
    5  *
    6  *  This program is free software; you can redistribute it and/or modify
    7  *  it under the terms of the GNU General Public License as published by
    8  *  the Free Software Foundation; either version 2 of the License, or
    9  *  (at your option) any later version.
   10  *
   11  *  This program is distributed in the hope that it will be useful,
   12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   14  *  GNU General Public License for more details.
   15  *
   16  *  Alternatively you can redistribute this file under the terms of the
   17  *  BSD license as stated below:
   18  *
   19  *  Redistribution and use in source and binary forms, with or without
   20  *  modification, are permitted provided that the following conditions
   21  *  are met:
   22  *  1. Redistributions of source code must retain the above copyright
   23  *     notice, this list of conditions and the following disclaimer.
   24  *  2. Redistributions in binary form must reproduce the above copyright
   25  *     notice, this list of conditions and the following disclaimer in
   26  *     the documentation and/or other materials provided with the
   27  *     distribution.
   28  *  3. The names of its contributors may not be used to endorse or promote
   29  *     products derived from this software without specific prior written
   30  *     permission.
   31  *
   32  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   33  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   34  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   35  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   36  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   37  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
   38  *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   39  *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   40  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   41  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   42  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   43  *
   44  *      Header file for v4l or V4L2 drivers and applications
   45  * with public API.
   46  * All kernel-specific stuff were moved to media/v4l2-dev.h, so
   47  * no #if __KERNEL tests are allowed here
   48  *
   49  *      See http://linuxtv.org for more info
   50  *
   51  *      Author: Bill Dirks <bill@thedirks.org>
   52  *              Justin Schoeman
   53  *              Hans Verkuil <hverkuil@xs4all.nl>
   54  *              et al.
   55  *
   56  * $FreeBSD$
   57  */
   58 #ifndef __LINUX_VIDEODEV2_H
   59 #define __LINUX_VIDEODEV2_H
   60 
   61 #ifdef __FreeBSD__
   62 #define __user
   63 typedef uint64_t        __u64;
   64 typedef int64_t         __s64;
   65 typedef uint32_t        __le32;
   66 #else
   67 #ifdef __KERNEL__
   68 #include <linux/time.h>     /* need struct timeval */
   69 #else
   70 #include <sys/time.h>
   71 #endif
   72 #include <linux/compiler.h>
   73 #include <linux/ioctl.h>
   74 #include <linux/types.h>
   75 #endif
   76 
   77 /*
   78  * Common stuff for both V4L1 and V4L2
   79  * Moved from videodev.h
   80  */
   81 #define VIDEO_MAX_FRAME               32
   82 
   83 #ifndef __KERNEL__
   84 
   85 /* These defines are V4L1 specific and should not be used with the V4L2 API!
   86    They will be removed from this header in the future. */
   87 
   88 #define VID_TYPE_CAPTURE        1       /* Can capture */
   89 #define VID_TYPE_TUNER          2       /* Can tune */
   90 #define VID_TYPE_TELETEXT       4       /* Does teletext */
   91 #define VID_TYPE_OVERLAY        8       /* Overlay onto frame buffer */
   92 #define VID_TYPE_CHROMAKEY      16      /* Overlay by chromakey */
   93 #define VID_TYPE_CLIPPING       32      /* Can clip */
   94 #define VID_TYPE_FRAMERAM       64      /* Uses the frame buffer memory */
   95 #define VID_TYPE_SCALES         128     /* Scalable */
   96 #define VID_TYPE_MONOCHROME     256     /* Monochrome only */
   97 #define VID_TYPE_SUBCAPTURE     512     /* Can capture subareas of the image */
   98 #define VID_TYPE_MPEG_DECODER   1024    /* Can decode MPEG streams */
   99 #define VID_TYPE_MPEG_ENCODER   2048    /* Can encode MPEG streams */
  100 #define VID_TYPE_MJPEG_DECODER  4096    /* Can decode MJPEG streams */
  101 #define VID_TYPE_MJPEG_ENCODER  8192    /* Can encode MJPEG streams */
  102 #endif
  103 
  104 /*
  105  *      M I S C E L L A N E O U S
  106  */
  107 
  108 /*  Four-character-code (FOURCC) */
  109 #define v4l2_fourcc(a, b, c, d)\
  110         ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
  111 
  112 /*
  113  *      E N U M S
  114  */
  115 enum v4l2_field {
  116         V4L2_FIELD_ANY           = 0, /* driver can choose from none,
  117                                          top, bottom, interlaced
  118                                          depending on whatever it thinks
  119                                          is approximate ... */
  120         V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
  121         V4L2_FIELD_TOP           = 2, /* top field only */
  122         V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
  123         V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
  124         V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
  125                                          buffer, top-bottom order */
  126         V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
  127         V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
  128                                          separate buffers */
  129         V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
  130                                          first and the top field is
  131                                          transmitted first */
  132         V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
  133                                          first and the bottom field is
  134                                          transmitted first */
  135 };
  136 #define V4L2_FIELD_HAS_TOP(field)       \
  137         ((field) == V4L2_FIELD_TOP      ||\
  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_BOTTOM(field)    \
  144         ((field) == V4L2_FIELD_BOTTOM   ||\
  145          (field) == V4L2_FIELD_INTERLACED ||\
  146          (field) == V4L2_FIELD_INTERLACED_TB ||\
  147          (field) == V4L2_FIELD_INTERLACED_BT ||\
  148          (field) == V4L2_FIELD_SEQ_TB   ||\
  149          (field) == V4L2_FIELD_SEQ_BT)
  150 #define V4L2_FIELD_HAS_BOTH(field)      \
  151         ((field) == V4L2_FIELD_INTERLACED ||\
  152          (field) == V4L2_FIELD_INTERLACED_TB ||\
  153          (field) == V4L2_FIELD_INTERLACED_BT ||\
  154          (field) == V4L2_FIELD_SEQ_TB ||\
  155          (field) == V4L2_FIELD_SEQ_BT)
  156 
  157 enum v4l2_buf_type {
  158         V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
  159         V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
  160         V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
  161         V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
  162         V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
  163         V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
  164         V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
  165 #if 1
  166         /* Experimental */
  167         V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
  168 #endif
  169         V4L2_BUF_TYPE_PRIVATE              = 0x80,
  170 };
  171 
  172 enum v4l2_ctrl_type {
  173         V4L2_CTRL_TYPE_INTEGER       = 1,
  174         V4L2_CTRL_TYPE_BOOLEAN       = 2,
  175         V4L2_CTRL_TYPE_MENU          = 3,
  176         V4L2_CTRL_TYPE_BUTTON        = 4,
  177         V4L2_CTRL_TYPE_INTEGER64     = 5,
  178         V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
  179         V4L2_CTRL_TYPE_STRING        = 7,
  180 };
  181 
  182 enum v4l2_tuner_type {
  183         V4L2_TUNER_RADIO             = 1,
  184         V4L2_TUNER_ANALOG_TV         = 2,
  185         V4L2_TUNER_DIGITAL_TV        = 3,
  186 };
  187 
  188 enum v4l2_memory {
  189         V4L2_MEMORY_MMAP             = 1,
  190         V4L2_MEMORY_USERPTR          = 2,
  191         V4L2_MEMORY_OVERLAY          = 3,
  192 };
  193 
  194 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
  195 enum v4l2_colorspace {
  196         /* ITU-R 601 -- broadcast NTSC/PAL */
  197         V4L2_COLORSPACE_SMPTE170M     = 1,
  198 
  199         /* 1125-Line (US) HDTV */
  200         V4L2_COLORSPACE_SMPTE240M     = 2,
  201 
  202         /* HD and modern captures. */
  203         V4L2_COLORSPACE_REC709        = 3,
  204 
  205         /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
  206         V4L2_COLORSPACE_BT878         = 4,
  207 
  208         /* These should be useful.  Assume 601 extents. */
  209         V4L2_COLORSPACE_470_SYSTEM_M  = 5,
  210         V4L2_COLORSPACE_470_SYSTEM_BG = 6,
  211 
  212         /* I know there will be cameras that send this.  So, this is
  213          * unspecified chromaticities and full 0-255 on each of the
  214          * Y'CbCr components
  215          */
  216         V4L2_COLORSPACE_JPEG          = 7,
  217 
  218         /* For RGB colourspaces, this is probably a good start. */
  219         V4L2_COLORSPACE_SRGB          = 8,
  220 };
  221 
  222 enum v4l2_priority {
  223         V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
  224         V4L2_PRIORITY_BACKGROUND  = 1,
  225         V4L2_PRIORITY_INTERACTIVE = 2,
  226         V4L2_PRIORITY_RECORD      = 3,
  227         V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
  228 };
  229 
  230 struct v4l2_rect {
  231         __s32   left;
  232         __s32   top;
  233         __s32   width;
  234         __s32   height;
  235 };
  236 
  237 struct v4l2_fract {
  238         __u32   numerator;
  239         __u32   denominator;
  240 };
  241 
  242 /*
  243  *      D R I V E R   C A P A B I L I T I E S
  244  */
  245 struct v4l2_capability {
  246         __u8    driver[16];     /* i.e. "bttv" */
  247         __u8    card[32];       /* i.e. "Hauppauge WinTV" */
  248         __u8    bus_info[32];   /* "PCI:" + pci_name(pci_dev) */
  249         __u32   version;        /* should use KERNEL_VERSION() */
  250         __u32   capabilities;   /* Device capabilities */
  251         __u32   reserved[4];
  252 };
  253 
  254 /* Values for 'capabilities' field */
  255 #define V4L2_CAP_VIDEO_CAPTURE          0x00000001  /* Is a video capture device */
  256 #define V4L2_CAP_VIDEO_OUTPUT           0x00000002  /* Is a video output device */
  257 #define V4L2_CAP_VIDEO_OVERLAY          0x00000004  /* Can do video overlay */
  258 #define V4L2_CAP_VBI_CAPTURE            0x00000010  /* Is a raw VBI capture device */
  259 #define V4L2_CAP_VBI_OUTPUT             0x00000020  /* Is a raw VBI output device */
  260 #define V4L2_CAP_SLICED_VBI_CAPTURE     0x00000040  /* Is a sliced VBI capture device */
  261 #define V4L2_CAP_SLICED_VBI_OUTPUT      0x00000080  /* Is a sliced VBI output device */
  262 #define V4L2_CAP_RDS_CAPTURE            0x00000100  /* RDS data capture */
  263 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY   0x00000200  /* Can do video output overlay */
  264 #define V4L2_CAP_HW_FREQ_SEEK           0x00000400  /* Can do hardware frequency seek  */
  265 #define V4L2_CAP_RDS_OUTPUT             0x00000800  /* Is an RDS encoder */
  266 
  267 #define V4L2_CAP_TUNER                  0x00010000  /* has a tuner */
  268 #define V4L2_CAP_AUDIO                  0x00020000  /* has audio support */
  269 #define V4L2_CAP_RADIO                  0x00040000  /* is a radio device */
  270 #define V4L2_CAP_MODULATOR              0x00080000  /* has a modulator */
  271 
  272 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
  273 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
  274 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
  275 
  276 /*
  277  *      V I D E O   I M A G E   F O R M A T
  278  */
  279 struct v4l2_pix_format {
  280         __u32                   width;
  281         __u32                   height;
  282         __u32                   pixelformat;
  283         enum v4l2_field         field;
  284         __u32                   bytesperline;   /* for padding, zero if unused */
  285         __u32                   sizeimage;
  286         enum v4l2_colorspace    colorspace;
  287         __u32                   priv;           /* private data, depends on pixelformat */
  288 };
  289 
  290 /*      Pixel format         FOURCC                          depth  Description  */
  291 
  292 /* RGB formats */
  293 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
  294 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
  295 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
  296 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
  297 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
  298 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
  299 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
  300 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
  301 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
  302 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
  303 
  304 /* Grey formats */
  305 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
  306 #define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '', ' ') /* 10  Greyscale     */
  307 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
  308 
  309 /* Palette formats */
  310 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
  311 
  312 /* Luminance+Chrominance formats */
  313 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
  314 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
  315 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
  316 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
  317 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
  318 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
  319 #define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
  320 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
  321 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16  YVU411 planar */
  322 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
  323 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
  324 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
  325 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
  326 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
  327 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
  328 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
  329 #define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
  330 #define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
  331 
  332 /* two planes -- one Y, one Cr + Cb interleaved  */
  333 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
  334 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
  335 #define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
  336 #define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
  337 
  338 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
  339 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
  340 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
  341 #define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
  342 #define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
  343 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '') /* 10  BGBG.. GRGR.. */
  344 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '') /* 10  GBGB.. RGRG.. */
  345 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '') /* 10  GRGR.. BGBG.. */
  346 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '') /* 10  RGRG.. GBGB.. */
  347         /* 10bit raw bayer DPCM compressed to 8 bits */
  348 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '')
  349         /*
  350          * 10bit raw bayer, expanded to 16 bits
  351          * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
  352          */
  353 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
  354 
  355 /* compressed formats */
  356 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
  357 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
  358 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
  359 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4    */
  360 
  361 /*  Vendor-specific formats   */
  362 #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
  363 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
  364 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '') /* SN9C10x compression */
  365 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '') /* SN9C20x YUV 4:2:0 */
  366 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
  367 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
  368 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
  369 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '', '1') /* YUYV per line */
  370 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '', '5') /* YYUV per line */
  371 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '', '8') /* YUVY per line */
  372 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
  373 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '', '7') /* compressed BGGR bayer */
  374 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '') /* compressed BGGR bayer */
  375 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
  376 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '', '5', 'C') /* compressed RGGB bayer */
  377 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
  378 #define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
  379 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
  380 #define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '') /* stv0680 bayer */
  381 
  382 /*
  383  *      F O R M A T   E N U M E R A T I O N
  384  */
  385 struct v4l2_fmtdesc {
  386         __u32               index;             /* Format number      */
  387         enum v4l2_buf_type  type;              /* buffer type        */
  388         __u32               flags;
  389         __u8                description[32];   /* Description string */
  390         __u32               pixelformat;       /* Format fourcc      */
  391         __u32               reserved[4];
  392 };
  393 
  394 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
  395 #define V4L2_FMT_FLAG_EMULATED   0x0002
  396 
  397 #if 1
  398         /* Experimental Frame Size and frame rate enumeration */
  399 /*
  400  *      F R A M E   S I Z E   E N U M E R A T I O N
  401  */
  402 enum v4l2_frmsizetypes {
  403         V4L2_FRMSIZE_TYPE_DISCRETE      = 1,
  404         V4L2_FRMSIZE_TYPE_CONTINUOUS    = 2,
  405         V4L2_FRMSIZE_TYPE_STEPWISE      = 3,
  406 };
  407 
  408 struct v4l2_frmsize_discrete {
  409         __u32                   width;          /* Frame width [pixel] */
  410         __u32                   height;         /* Frame height [pixel] */
  411 };
  412 
  413 struct v4l2_frmsize_stepwise {
  414         __u32                   min_width;      /* Minimum frame width [pixel] */
  415         __u32                   max_width;      /* Maximum frame width [pixel] */
  416         __u32                   step_width;     /* Frame width step size [pixel] */
  417         __u32                   min_height;     /* Minimum frame height [pixel] */
  418         __u32                   max_height;     /* Maximum frame height [pixel] */
  419         __u32                   step_height;    /* Frame height step size [pixel] */
  420 };
  421 
  422 struct v4l2_frmsizeenum {
  423         __u32                   index;          /* Frame size number */
  424         __u32                   pixel_format;   /* Pixel format */
  425         __u32                   type;           /* Frame size type the device supports. */
  426 
  427         union {                                 /* Frame size */
  428                 struct v4l2_frmsize_discrete    discrete;
  429                 struct v4l2_frmsize_stepwise    stepwise;
  430         } x;
  431 
  432         __u32   reserved[2];                    /* Reserved space for future use */
  433 };
  434 
  435 /*
  436  *      F R A M E   R A T E   E N U M E R A T I O N
  437  */
  438 enum v4l2_frmivaltypes {
  439         V4L2_FRMIVAL_TYPE_DISCRETE      = 1,
  440         V4L2_FRMIVAL_TYPE_CONTINUOUS    = 2,
  441         V4L2_FRMIVAL_TYPE_STEPWISE      = 3,
  442 };
  443 
  444 struct v4l2_frmival_stepwise {
  445         struct v4l2_fract       min;            /* Minimum frame interval [s] */
  446         struct v4l2_fract       max;            /* Maximum frame interval [s] */
  447         struct v4l2_fract       step;           /* Frame interval step size [s] */
  448 };
  449 
  450 struct v4l2_frmivalenum {
  451         __u32                   index;          /* Frame format index */
  452         __u32                   pixel_format;   /* Pixel format */
  453         __u32                   width;          /* Frame width */
  454         __u32                   height;         /* Frame height */
  455         __u32                   type;           /* Frame interval type the device supports. */
  456 
  457         union {                                 /* Frame interval */
  458                 struct v4l2_fract               discrete;
  459                 struct v4l2_frmival_stepwise    stepwise;
  460         } x;
  461 
  462         __u32   reserved[2];                    /* Reserved space for future use */
  463 };
  464 #endif
  465 
  466 /*
  467  *      T I M E C O D E
  468  */
  469 struct v4l2_timecode {
  470         __u32   type;
  471         __u32   flags;
  472         __u8    frames;
  473         __u8    seconds;
  474         __u8    minutes;
  475         __u8    hours;
  476         __u8    userbits[4];
  477 };
  478 
  479 /*  Type  */
  480 #define V4L2_TC_TYPE_24FPS              1
  481 #define V4L2_TC_TYPE_25FPS              2
  482 #define V4L2_TC_TYPE_30FPS              3
  483 #define V4L2_TC_TYPE_50FPS              4
  484 #define V4L2_TC_TYPE_60FPS              5
  485 
  486 /*  Flags  */
  487 #define V4L2_TC_FLAG_DROPFRAME          0x0001 /* "drop-frame" mode */
  488 #define V4L2_TC_FLAG_COLORFRAME         0x0002
  489 #define V4L2_TC_USERBITS_field          0x000C
  490 #define V4L2_TC_USERBITS_USERDEFINED    0x0000
  491 #define V4L2_TC_USERBITS_8BITCHARS      0x0008
  492 /* The above is based on SMPTE timecodes */
  493 
  494 struct v4l2_jpegcompression {
  495         int quality;
  496 
  497         int  APPn;              /* Number of APP segment to be written,
  498                                  * must be 0..15 */
  499         int  APP_len;           /* Length of data in JPEG APPn segment */
  500         char APP_data[60];      /* Data in the JPEG APPn segment. */
  501 
  502         int  COM_len;           /* Length of data in JPEG COM segment */
  503         char COM_data[60];      /* Data in JPEG COM segment */
  504 
  505         __u32 jpeg_markers;     /* Which markers should go into the JPEG
  506                                  * output. Unless you exactly know what
  507                                  * you do, leave them untouched.
  508                                  * Inluding less markers will make the
  509                                  * resulting code smaller, but there will
  510                                  * be fewer applications which can read it.
  511                                  * The presence of the APP and COM marker
  512                                  * is influenced by APP_len and COM_len
  513                                  * ONLY, not by this property! */
  514 
  515 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
  516 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
  517 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
  518 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
  519 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
  520                                         * allways use APP0 */
  521 };
  522 
  523 /*
  524  *      M E M O R Y - M A P P I N G   B U F F E R S
  525  */
  526 struct v4l2_requestbuffers {
  527         __u32                   count;
  528         enum v4l2_buf_type      type;
  529         enum v4l2_memory        memory;
  530         __u32                   reserved[2];
  531 };
  532 
  533 struct v4l2_buffer {
  534         __u32                   index;
  535         enum v4l2_buf_type      type;
  536         __u32                   bytesused;
  537         __u32                   flags;
  538         enum v4l2_field         field;
  539         struct timeval          timestamp;
  540         struct v4l2_timecode    timecode;
  541         __u32                   sequence;
  542 
  543         /* memory location */
  544         enum v4l2_memory        memory;
  545         union {
  546                 __u32           offset;
  547                 unsigned long   userptr;
  548         } m;
  549         __u32                   length;
  550         __u32                   input;
  551         __u32                   reserved;
  552 };
  553 
  554 /*  Flags for 'flags' field */
  555 #define V4L2_BUF_FLAG_MAPPED    0x0001  /* Buffer is mapped (flag) */
  556 #define V4L2_BUF_FLAG_QUEUED    0x0002  /* Buffer is queued for processing */
  557 #define V4L2_BUF_FLAG_DONE      0x0004  /* Buffer is ready */
  558 #define V4L2_BUF_FLAG_KEYFRAME  0x0008  /* Image is a keyframe (I-frame) */
  559 #define V4L2_BUF_FLAG_PFRAME    0x0010  /* Image is a P-frame */
  560 #define V4L2_BUF_FLAG_BFRAME    0x0020  /* Image is a B-frame */
  561 #define V4L2_BUF_FLAG_TIMECODE  0x0100  /* timecode field is valid */
  562 #define V4L2_BUF_FLAG_INPUT     0x0200  /* input field is valid */
  563 
  564 /*
  565  *      O V E R L A Y   P R E V I E W
  566  */
  567 struct v4l2_framebuffer {
  568         __u32                   capability;
  569         __u32                   flags;
  570 /* FIXME: in theory we should pass something like PCI device + memory
  571  * region + offset instead of some physical address */
  572         void                    *base;
  573         struct v4l2_pix_format  fmt;
  574 };
  575 /*  Flags for the 'capability' field. Read only */
  576 #define V4L2_FBUF_CAP_EXTERNOVERLAY     0x0001
  577 #define V4L2_FBUF_CAP_CHROMAKEY         0x0002
  578 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
  579 #define V4L2_FBUF_CAP_BITMAP_CLIPPING   0x0008
  580 #define V4L2_FBUF_CAP_LOCAL_ALPHA       0x0010
  581 #define V4L2_FBUF_CAP_GLOBAL_ALPHA      0x0020
  582 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA   0x0040
  583 #define V4L2_FBUF_CAP_SRC_CHROMAKEY     0x0080
  584 /*  Flags for the 'flags' field. */
  585 #define V4L2_FBUF_FLAG_PRIMARY          0x0001
  586 #define V4L2_FBUF_FLAG_OVERLAY          0x0002
  587 #define V4L2_FBUF_FLAG_CHROMAKEY        0x0004
  588 #define V4L2_FBUF_FLAG_LOCAL_ALPHA      0x0008
  589 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA     0x0010
  590 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA  0x0020
  591 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY    0x0040
  592 
  593 struct v4l2_clip {
  594         struct v4l2_rect        c;
  595         struct v4l2_clip        __user *next;
  596 };
  597 
  598 struct v4l2_window {
  599         struct v4l2_rect        w;
  600         enum v4l2_field         field;
  601         __u32                   chromakey;
  602         struct v4l2_clip        __user *clips;
  603         __u32                   clipcount;
  604         void                    __user *bitmap;
  605         __u8                    global_alpha;
  606 };
  607 
  608 /*
  609  *      C A P T U R E   P A R A M E T E R S
  610  */
  611 struct v4l2_captureparm {
  612         __u32              capability;    /*  Supported modes */
  613         __u32              capturemode;   /*  Current mode */
  614         struct v4l2_fract  timeperframe;  /*  Time per frame in .1us units */
  615         __u32              extendedmode;  /*  Driver-specific extensions */
  616         __u32              readbuffers;   /*  # of buffers for read */
  617         __u32              reserved[4];
  618 };
  619 
  620 /*  Flags for 'capability' and 'capturemode' fields */
  621 #define V4L2_MODE_HIGHQUALITY   0x0001  /*  High quality imaging mode */
  622 #define V4L2_CAP_TIMEPERFRAME   0x1000  /*  timeperframe field is supported */
  623 
  624 struct v4l2_outputparm {
  625         __u32              capability;   /*  Supported modes */
  626         __u32              outputmode;   /*  Current mode */
  627         struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
  628         __u32              extendedmode; /*  Driver-specific extensions */
  629         __u32              writebuffers; /*  # of buffers for write */
  630         __u32              reserved[4];
  631 };
  632 
  633 /*
  634  *      I N P U T   I M A G E   C R O P P I N G
  635  */
  636 struct v4l2_cropcap {
  637         enum v4l2_buf_type      type;
  638         struct v4l2_rect        bounds;
  639         struct v4l2_rect        defrect;
  640         struct v4l2_fract       pixelaspect;
  641 };
  642 
  643 struct v4l2_crop {
  644         enum v4l2_buf_type      type;
  645         struct v4l2_rect        c;
  646 };
  647 
  648 /*
  649  *      A N A L O G   V I D E O   S T A N D A R D
  650  */
  651 
  652 typedef __u64 v4l2_std_id;
  653 
  654 /* one bit for each */
  655 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
  656 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
  657 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
  658 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
  659 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
  660 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
  661 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
  662 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
  663 
  664 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
  665 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
  666 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
  667 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
  668 
  669 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)
  670 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)
  671 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
  672 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)
  673 
  674 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
  675 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
  676 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
  677 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
  678 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
  679 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
  680 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
  681 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
  682 
  683 /* ATSC/HDTV */
  684 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
  685 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
  686 
  687 /* FIXME:
  688    Although std_id is 64 bits, there is an issue on PPC32 architecture that
  689    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
  690    this value to 32 bits.
  691    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
  692    it should work fine. However, if needed to add more than two standards,
  693    v4l2-common.c should be fixed.
  694  */
  695 
  696 /* some merged standards */
  697 #define V4L2_STD_MN     (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
  698 #define V4L2_STD_B      (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
  699 #define V4L2_STD_GH     (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
  700 #define V4L2_STD_DK     (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
  701 
  702 /* some common needed stuff */
  703 #define V4L2_STD_PAL_BG         (V4L2_STD_PAL_B         |\
  704                                  V4L2_STD_PAL_B1        |\
  705                                  V4L2_STD_PAL_G)
  706 #define V4L2_STD_PAL_DK         (V4L2_STD_PAL_D         |\
  707                                  V4L2_STD_PAL_D1        |\
  708                                  V4L2_STD_PAL_K)
  709 #define V4L2_STD_PAL            (V4L2_STD_PAL_BG        |\
  710                                  V4L2_STD_PAL_DK        |\
  711                                  V4L2_STD_PAL_H         |\
  712                                  V4L2_STD_PAL_I)
  713 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M        |\
  714                                  V4L2_STD_NTSC_M_JP     |\
  715                                  V4L2_STD_NTSC_M_KR)
  716 #define V4L2_STD_SECAM_DK       (V4L2_STD_SECAM_D       |\
  717                                  V4L2_STD_SECAM_K       |\
  718                                  V4L2_STD_SECAM_K1)
  719 #define V4L2_STD_SECAM          (V4L2_STD_SECAM_B       |\
  720                                  V4L2_STD_SECAM_G       |\
  721                                  V4L2_STD_SECAM_H       |\
  722                                  V4L2_STD_SECAM_DK      |\
  723                                  V4L2_STD_SECAM_L       |\
  724                                  V4L2_STD_SECAM_LC)
  725 
  726 #define V4L2_STD_525_60         (V4L2_STD_PAL_M         |\
  727                                  V4L2_STD_PAL_60        |\
  728                                  V4L2_STD_NTSC          |\
  729                                  V4L2_STD_NTSC_443)
  730 #define V4L2_STD_625_50         (V4L2_STD_PAL           |\
  731                                  V4L2_STD_PAL_N         |\
  732                                  V4L2_STD_PAL_Nc        |\
  733                                  V4L2_STD_SECAM)
  734 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
  735                                  V4L2_STD_ATSC_16_VSB)
  736 
  737 #define V4L2_STD_UNKNOWN        0
  738 #define V4L2_STD_ALL            (V4L2_STD_525_60        |\
  739                                  V4L2_STD_625_50)
  740 
  741 struct v4l2_standard {
  742         __u32                index;
  743         v4l2_std_id          id;
  744         __u8                 name[24];
  745         struct v4l2_fract    frameperiod; /* Frames, not fields */
  746         __u32                framelines;
  747         __u32                reserved[4];
  748 };
  749 
  750 /*
  751  *      V I D E O       T I M I N G S   D V     P R E S E T
  752  */
  753 struct v4l2_dv_preset {
  754         __u32   preset;
  755         __u32   reserved[4];
  756 };
  757 
  758 /*
  759  *      D V     P R E S E T S   E N U M E R A T I O N
  760  */
  761 struct v4l2_dv_enum_preset {
  762         __u32   index;
  763         __u32   preset;
  764         __u8    name[32]; /* Name of the preset timing */
  765         __u32   width;
  766         __u32   height;
  767         __u32   reserved[4];
  768 };
  769 
  770 /*
  771  *      D V     P R E S E T     V A L U E S
  772  */
  773 #define         V4L2_DV_INVALID         0
  774 #define         V4L2_DV_480P59_94       1 /* BT.1362 */
  775 #define         V4L2_DV_576P50          2 /* BT.1362 */
  776 #define         V4L2_DV_720P24          3 /* SMPTE 296M */
  777 #define         V4L2_DV_720P25          4 /* SMPTE 296M */
  778 #define         V4L2_DV_720P30          5 /* SMPTE 296M */
  779 #define         V4L2_DV_720P50          6 /* SMPTE 296M */
  780 #define         V4L2_DV_720P59_94       7 /* SMPTE 274M */
  781 #define         V4L2_DV_720P60          8 /* SMPTE 274M/296M */
  782 #define         V4L2_DV_1080I29_97      9 /* BT.1120/ SMPTE 274M */
  783 #define         V4L2_DV_1080I30         10 /* BT.1120/ SMPTE 274M */
  784 #define         V4L2_DV_1080I25         11 /* BT.1120 */
  785 #define         V4L2_DV_1080I50         12 /* SMPTE 296M */
  786 #define         V4L2_DV_1080I60         13 /* SMPTE 296M */
  787 #define         V4L2_DV_1080P24         14 /* SMPTE 296M */
  788 #define         V4L2_DV_1080P25         15 /* SMPTE 296M */
  789 #define         V4L2_DV_1080P30         16 /* SMPTE 296M */
  790 #define         V4L2_DV_1080P50         17 /* BT.1120 */
  791 #define         V4L2_DV_1080P60         18 /* BT.1120 */
  792 
  793 /*
  794  *      D V     B T     T I M I N G S
  795  */
  796 
  797 /* BT.656/BT.1120 timing data */
  798 struct v4l2_bt_timings {
  799         __u32   width;          /* width in pixels */
  800         __u32   height;         /* height in lines */
  801         __u32   interlaced;     /* Interlaced or progressive */
  802         __u32   polarities;     /* Positive or negative polarity */
  803         __u64   pixelclock;     /* Pixel clock in HZ. Ex. 74.25MHz->74250000 */
  804         __u32   hfrontporch;    /* Horizpontal front porch in pixels */
  805         __u32   hsync;          /* Horizontal Sync length in pixels */
  806         __u32   hbackporch;     /* Horizontal back porch in pixels */
  807         __u32   vfrontporch;    /* Vertical front porch in pixels */
  808         __u32   vsync;          /* Vertical Sync length in lines */
  809         __u32   vbackporch;     /* Vertical back porch in lines */
  810         __u32   il_vfrontporch; /* Vertical front porch for bottom field of
  811                                  * interlaced field formats
  812                                  */
  813         __u32   il_vsync;       /* Vertical sync length for bottom field of
  814                                  * interlaced field formats
  815                                  */
  816         __u32   il_vbackporch;  /* Vertical back porch for bottom field of
  817                                  * interlaced field formats
  818                                  */
  819         __u32   reserved[16];
  820 } __attribute__ ((packed));
  821 
  822 /* Interlaced or progressive format */
  823 #define V4L2_DV_PROGRESSIVE     0
  824 #define V4L2_DV_INTERLACED      1
  825 
  826 /* Polarities. If bit is not set, it is assumed to be negative polarity */
  827 #define V4L2_DV_VSYNC_POS_POL   0x00000001
  828 #define V4L2_DV_HSYNC_POS_POL   0x00000002
  829 
  830 
  831 /* DV timings */
  832 struct v4l2_dv_timings {
  833         __u32 type;
  834         union {
  835                 struct v4l2_bt_timings  bt;
  836                 __u32   reserved[32];
  837         } x;
  838 } __attribute__ ((packed));
  839 
  840 /* Values for the type field */
  841 #define V4L2_DV_BT_656_1120     0       /* BT.656/1120 timing type */
  842 
  843 /*
  844  *      V I D E O   I N P U T S
  845  */
  846 struct v4l2_input {
  847         __u32        index;             /*  Which input */
  848         __u8         name[32];          /*  Label */
  849         __u32        type;              /*  Type of input */
  850         __u32        audioset;          /*  Associated audios (bitfield) */
  851         __u32        tuner;             /*  Associated tuner */
  852         v4l2_std_id  std;
  853         __u32        status;
  854         __u32        capabilities;
  855         __u32        reserved[3];
  856 };
  857 
  858 /*  Values for the 'type' field */
  859 #define V4L2_INPUT_TYPE_TUNER           1
  860 #define V4L2_INPUT_TYPE_CAMERA          2
  861 
  862 /* field 'status' - general */
  863 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
  864 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
  865 #define V4L2_IN_ST_NO_COLOR    0x00000004
  866 
  867 /* field 'status' - sensor orientation */
  868 /* If sensor is mounted upside down set both bits */
  869 #define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
  870 #define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
  871 
  872 /* field 'status' - analog */
  873 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
  874 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
  875 
  876 /* field 'status' - digital */
  877 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
  878 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
  879 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
  880 
  881 /* field 'status' - VCR and set-top box */
  882 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
  883 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
  884 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
  885 
  886 /* capabilities flags */
  887 #define V4L2_IN_CAP_PRESETS             0x00000001 /* Supports S_DV_PRESET */
  888 #define V4L2_IN_CAP_CUSTOM_TIMINGS      0x00000002 /* Supports S_DV_TIMINGS */
  889 #define V4L2_IN_CAP_STD                 0x00000004 /* Supports S_STD */
  890 
  891 /*
  892  *      V I D E O   O U T P U T S
  893  */
  894 struct v4l2_output {
  895         __u32        index;             /*  Which output */
  896         __u8         name[32];          /*  Label */
  897         __u32        type;              /*  Type of output */
  898         __u32        audioset;          /*  Associated audios (bitfield) */
  899         __u32        modulator;         /*  Associated modulator */
  900         v4l2_std_id  std;
  901         __u32        capabilities;
  902         __u32        reserved[3];
  903 };
  904 /*  Values for the 'type' field */
  905 #define V4L2_OUTPUT_TYPE_MODULATOR              1
  906 #define V4L2_OUTPUT_TYPE_ANALOG                 2
  907 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY       3
  908 
  909 /* capabilities flags */
  910 #define V4L2_OUT_CAP_PRESETS            0x00000001 /* Supports S_DV_PRESET */
  911 #define V4L2_OUT_CAP_CUSTOM_TIMINGS     0x00000002 /* Supports S_DV_TIMINGS */
  912 #define V4L2_OUT_CAP_STD                0x00000004 /* Supports S_STD */
  913 
  914 /*
  915  *      C O N T R O L S
  916  */
  917 struct v4l2_control {
  918         __u32                id;
  919         __s32                value;
  920 };
  921 
  922 struct v4l2_ext_control {
  923         __u32 id;
  924         __u32 size;
  925         __u32 reserved2[1];
  926         union {
  927                 __s32 value;
  928                 __s64 value64;
  929                 char *string;
  930         } x;
  931 } __attribute__ ((packed));
  932 
  933 struct v4l2_ext_controls {
  934         __u32 ctrl_class;
  935         __u32 count;
  936         __u32 error_idx;
  937         __u32 reserved[2];
  938         struct v4l2_ext_control *controls;
  939 };
  940 
  941 /*  Values for ctrl_class field */
  942 #define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */
  943 #define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */
  944 #define V4L2_CTRL_CLASS_CAMERA 0x009a0000       /* Camera class controls */
  945 #define V4L2_CTRL_CLASS_FM_TX 0x009b0000        /* FM Modulator control class */
  946 
  947 #define V4L2_CTRL_ID_MASK         (0x0fffffff)
  948 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
  949 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
  950 
  951 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
  952 struct v4l2_queryctrl {
  953         __u32                id;
  954         enum v4l2_ctrl_type  type;
  955         __u8                 name[32];  /* Whatever */
  956         __s32                minimum;   /* Note signedness */
  957         __s32                maximum;
  958         __s32                step;
  959         __s32                default_value;
  960         __u32                flags;
  961         __u32                reserved[2];
  962 };
  963 
  964 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
  965 struct v4l2_querymenu {
  966         __u32           id;
  967         __u32           index;
  968         __u8            name[32];       /* Whatever */
  969         __u32           reserved;
  970 };
  971 
  972 /*  Control flags  */
  973 #define V4L2_CTRL_FLAG_DISABLED         0x0001
  974 #define V4L2_CTRL_FLAG_GRABBED          0x0002
  975 #define V4L2_CTRL_FLAG_READ_ONLY        0x0004
  976 #define V4L2_CTRL_FLAG_UPDATE           0x0008
  977 #define V4L2_CTRL_FLAG_INACTIVE         0x0010
  978 #define V4L2_CTRL_FLAG_SLIDER           0x0020
  979 #define V4L2_CTRL_FLAG_WRITE_ONLY       0x0040
  980 
  981 /*  Query flag, to be ORed with the control ID */
  982 #define V4L2_CTRL_FLAG_NEXT_CTRL        0x80000000
  983 
  984 /*  User-class control IDs defined by V4L2 */
  985 #define V4L2_CID_BASE                   (V4L2_CTRL_CLASS_USER | 0x900)
  986 #define V4L2_CID_USER_BASE              V4L2_CID_BASE
  987 /*  IDs reserved for driver specific controls */
  988 #define V4L2_CID_PRIVATE_BASE           0x08000000
  989 
  990 #define V4L2_CID_USER_CLASS             (V4L2_CTRL_CLASS_USER | 1)
  991 #define V4L2_CID_BRIGHTNESS             (V4L2_CID_BASE+0)
  992 #define V4L2_CID_CONTRAST               (V4L2_CID_BASE+1)
  993 #define V4L2_CID_SATURATION             (V4L2_CID_BASE+2)
  994 #define V4L2_CID_HUE                    (V4L2_CID_BASE+3)
  995 #define V4L2_CID_AUDIO_VOLUME           (V4L2_CID_BASE+5)
  996 #define V4L2_CID_AUDIO_BALANCE          (V4L2_CID_BASE+6)
  997 #define V4L2_CID_AUDIO_BASS             (V4L2_CID_BASE+7)
  998 #define V4L2_CID_AUDIO_TREBLE           (V4L2_CID_BASE+8)
  999 #define V4L2_CID_AUDIO_MUTE             (V4L2_CID_BASE+9)
 1000 #define V4L2_CID_AUDIO_LOUDNESS         (V4L2_CID_BASE+10)
 1001 #define V4L2_CID_BLACK_LEVEL            (V4L2_CID_BASE+11) /* Deprecated */
 1002 #define V4L2_CID_AUTO_WHITE_BALANCE     (V4L2_CID_BASE+12)
 1003 #define V4L2_CID_DO_WHITE_BALANCE       (V4L2_CID_BASE+13)
 1004 #define V4L2_CID_RED_BALANCE            (V4L2_CID_BASE+14)
 1005 #define V4L2_CID_BLUE_BALANCE           (V4L2_CID_BASE+15)
 1006 #define V4L2_CID_GAMMA                  (V4L2_CID_BASE+16)
 1007 #define V4L2_CID_WHITENESS              (V4L2_CID_GAMMA) /* Deprecated */
 1008 #define V4L2_CID_EXPOSURE               (V4L2_CID_BASE+17)
 1009 #define V4L2_CID_AUTOGAIN               (V4L2_CID_BASE+18)
 1010 #define V4L2_CID_GAIN                   (V4L2_CID_BASE+19)
 1011 #define V4L2_CID_HFLIP                  (V4L2_CID_BASE+20)
 1012 #define V4L2_CID_VFLIP                  (V4L2_CID_BASE+21)
 1013 
 1014 /* Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET */
 1015 #define V4L2_CID_HCENTER                (V4L2_CID_BASE+22)
 1016 #define V4L2_CID_VCENTER                (V4L2_CID_BASE+23)
 1017 
 1018 #define V4L2_CID_POWER_LINE_FREQUENCY   (V4L2_CID_BASE+24)
 1019 enum v4l2_power_line_frequency {
 1020         V4L2_CID_POWER_LINE_FREQUENCY_DISABLED  = 0,
 1021         V4L2_CID_POWER_LINE_FREQUENCY_50HZ      = 1,
 1022         V4L2_CID_POWER_LINE_FREQUENCY_60HZ      = 2,
 1023 };
 1024 #define V4L2_CID_HUE_AUTO                       (V4L2_CID_BASE+25)
 1025 #define V4L2_CID_WHITE_BALANCE_TEMPERATURE      (V4L2_CID_BASE+26)
 1026 #define V4L2_CID_SHARPNESS                      (V4L2_CID_BASE+27)
 1027 #define V4L2_CID_BACKLIGHT_COMPENSATION         (V4L2_CID_BASE+28)
 1028 #define V4L2_CID_CHROMA_AGC                     (V4L2_CID_BASE+29)
 1029 #define V4L2_CID_COLOR_KILLER                   (V4L2_CID_BASE+30)
 1030 #define V4L2_CID_COLORFX                        (V4L2_CID_BASE+31)
 1031 enum v4l2_colorfx {
 1032         V4L2_COLORFX_NONE       = 0,
 1033         V4L2_COLORFX_BW         = 1,
 1034         V4L2_COLORFX_SEPIA      = 2,
 1035 };
 1036 #define V4L2_CID_AUTOBRIGHTNESS                 (V4L2_CID_BASE+32)
 1037 #define V4L2_CID_BAND_STOP_FILTER               (V4L2_CID_BASE+33)
 1038 
 1039 #define V4L2_CID_ROTATE                         (V4L2_CID_BASE+34)
 1040 #define V4L2_CID_BG_COLOR                       (V4L2_CID_BASE+35)
 1041 /* last CID + 1 */
 1042 #define V4L2_CID_LASTP1                         (V4L2_CID_BASE+36)
 1043 
 1044 /*  MPEG-class control IDs defined by V4L2 */
 1045 #define V4L2_CID_MPEG_BASE                      (V4L2_CTRL_CLASS_MPEG | 0x900)
 1046 #define V4L2_CID_MPEG_CLASS                     (V4L2_CTRL_CLASS_MPEG | 1)
 1047 
 1048 /*  MPEG streams */
 1049 #define V4L2_CID_MPEG_STREAM_TYPE               (V4L2_CID_MPEG_BASE+0)
 1050 enum v4l2_mpeg_stream_type {
 1051         V4L2_MPEG_STREAM_TYPE_MPEG2_PS   = 0, /* MPEG-2 program stream */
 1052         V4L2_MPEG_STREAM_TYPE_MPEG2_TS   = 1, /* MPEG-2 transport stream */
 1053         V4L2_MPEG_STREAM_TYPE_MPEG1_SS   = 2, /* MPEG-1 system stream */
 1054         V4L2_MPEG_STREAM_TYPE_MPEG2_DVD  = 3, /* MPEG-2 DVD-compatible stream */
 1055         V4L2_MPEG_STREAM_TYPE_MPEG1_VCD  = 4, /* MPEG-1 VCD-compatible stream */
 1056         V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */
 1057 };
 1058 #define V4L2_CID_MPEG_STREAM_PID_PMT            (V4L2_CID_MPEG_BASE+1)
 1059 #define V4L2_CID_MPEG_STREAM_PID_AUDIO          (V4L2_CID_MPEG_BASE+2)
 1060 #define V4L2_CID_MPEG_STREAM_PID_VIDEO          (V4L2_CID_MPEG_BASE+3)
 1061 #define V4L2_CID_MPEG_STREAM_PID_PCR            (V4L2_CID_MPEG_BASE+4)
 1062 #define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO       (V4L2_CID_MPEG_BASE+5)
 1063 #define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO       (V4L2_CID_MPEG_BASE+6)
 1064 #define V4L2_CID_MPEG_STREAM_VBI_FMT            (V4L2_CID_MPEG_BASE+7)
 1065 enum v4l2_mpeg_stream_vbi_fmt {
 1066         V4L2_MPEG_STREAM_VBI_FMT_NONE = 0,  /* No VBI in the MPEG stream */
 1067         V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1,  /* VBI in private packets, IVTV format */
 1068 };
 1069 
 1070 /*  MPEG audio */
 1071 #define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ       (V4L2_CID_MPEG_BASE+100)
 1072 enum v4l2_mpeg_audio_sampling_freq {
 1073         V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0,
 1074         V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1,
 1075         V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2,
 1076 };
 1077 #define V4L2_CID_MPEG_AUDIO_ENCODING            (V4L2_CID_MPEG_BASE+101)
 1078 enum v4l2_mpeg_audio_encoding {
 1079         V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0,
 1080         V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1,
 1081         V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2,
 1082         V4L2_MPEG_AUDIO_ENCODING_AAC     = 3,
 1083         V4L2_MPEG_AUDIO_ENCODING_AC3     = 4,
 1084 };
 1085 #define V4L2_CID_MPEG_AUDIO_L1_BITRATE          (V4L2_CID_MPEG_BASE+102)
 1086 enum v4l2_mpeg_audio_l1_bitrate {
 1087         V4L2_MPEG_AUDIO_L1_BITRATE_32K  = 0,
 1088         V4L2_MPEG_AUDIO_L1_BITRATE_64K  = 1,
 1089         V4L2_MPEG_AUDIO_L1_BITRATE_96K  = 2,
 1090         V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3,
 1091         V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4,
 1092         V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5,
 1093         V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6,
 1094         V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7,
 1095         V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8,
 1096         V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9,
 1097         V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10,
 1098         V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11,
 1099         V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12,
 1100         V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13,
 1101 };
 1102 #define V4L2_CID_MPEG_AUDIO_L2_BITRATE          (V4L2_CID_MPEG_BASE+103)
 1103 enum v4l2_mpeg_audio_l2_bitrate {
 1104         V4L2_MPEG_AUDIO_L2_BITRATE_32K  = 0,
 1105         V4L2_MPEG_AUDIO_L2_BITRATE_48K  = 1,
 1106         V4L2_MPEG_AUDIO_L2_BITRATE_56K  = 2,
 1107         V4L2_MPEG_AUDIO_L2_BITRATE_64K  = 3,
 1108         V4L2_MPEG_AUDIO_L2_BITRATE_80K  = 4,
 1109         V4L2_MPEG_AUDIO_L2_BITRATE_96K  = 5,
 1110         V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6,
 1111         V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7,
 1112         V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8,
 1113         V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9,
 1114         V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10,
 1115         V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11,
 1116         V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12,
 1117         V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13,
 1118 };
 1119 #define V4L2_CID_MPEG_AUDIO_L3_BITRATE          (V4L2_CID_MPEG_BASE+104)
 1120 enum v4l2_mpeg_audio_l3_bitrate {
 1121         V4L2_MPEG_AUDIO_L3_BITRATE_32K  = 0,
 1122         V4L2_MPEG_AUDIO_L3_BITRATE_40K  = 1,
 1123         V4L2_MPEG_AUDIO_L3_BITRATE_48K  = 2,
 1124         V4L2_MPEG_AUDIO_L3_BITRATE_56K  = 3,
 1125         V4L2_MPEG_AUDIO_L3_BITRATE_64K  = 4,
 1126         V4L2_MPEG_AUDIO_L3_BITRATE_80K  = 5,
 1127         V4L2_MPEG_AUDIO_L3_BITRATE_96K  = 6,
 1128         V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7,
 1129         V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8,
 1130         V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9,
 1131         V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10,
 1132         V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11,
 1133         V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12,
 1134         V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13,
 1135 };
 1136 #define V4L2_CID_MPEG_AUDIO_MODE                (V4L2_CID_MPEG_BASE+105)
 1137 enum v4l2_mpeg_audio_mode {
 1138         V4L2_MPEG_AUDIO_MODE_STEREO       = 0,
 1139         V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1,
 1140         V4L2_MPEG_AUDIO_MODE_DUAL         = 2,
 1141         V4L2_MPEG_AUDIO_MODE_MONO         = 3,
 1142 };
 1143 #define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION      (V4L2_CID_MPEG_BASE+106)
 1144 enum v4l2_mpeg_audio_mode_extension {
 1145         V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4  = 0,
 1146         V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8  = 1,
 1147         V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2,
 1148         V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3,
 1149 };
 1150 #define V4L2_CID_MPEG_AUDIO_EMPHASIS            (V4L2_CID_MPEG_BASE+107)
 1151 enum v4l2_mpeg_audio_emphasis {
 1152         V4L2_MPEG_AUDIO_EMPHASIS_NONE         = 0,
 1153         V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1,
 1154         V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17    = 2,
 1155 };
 1156 #define V4L2_CID_MPEG_AUDIO_CRC                 (V4L2_CID_MPEG_BASE+108)
 1157 enum v4l2_mpeg_audio_crc {
 1158         V4L2_MPEG_AUDIO_CRC_NONE  = 0,
 1159         V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
 1160 };
 1161 #define V4L2_CID_MPEG_AUDIO_MUTE                (V4L2_CID_MPEG_BASE+109)
 1162 #define V4L2_CID_MPEG_AUDIO_AAC_BITRATE         (V4L2_CID_MPEG_BASE+110)
 1163 #define V4L2_CID_MPEG_AUDIO_AC3_BITRATE         (V4L2_CID_MPEG_BASE+111)
 1164 enum v4l2_mpeg_audio_ac3_bitrate {
 1165         V4L2_MPEG_AUDIO_AC3_BITRATE_32K  = 0,
 1166         V4L2_MPEG_AUDIO_AC3_BITRATE_40K  = 1,
 1167         V4L2_MPEG_AUDIO_AC3_BITRATE_48K  = 2,
 1168         V4L2_MPEG_AUDIO_AC3_BITRATE_56K  = 3,
 1169         V4L2_MPEG_AUDIO_AC3_BITRATE_64K  = 4,
 1170         V4L2_MPEG_AUDIO_AC3_BITRATE_80K  = 5,
 1171         V4L2_MPEG_AUDIO_AC3_BITRATE_96K  = 6,
 1172         V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7,
 1173         V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8,
 1174         V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9,
 1175         V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10,
 1176         V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11,
 1177         V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12,
 1178         V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13,
 1179         V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14,
 1180         V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15,
 1181         V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16,
 1182         V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17,
 1183         V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18,
 1184 };
 1185 
 1186 /*  MPEG video */
 1187 #define V4L2_CID_MPEG_VIDEO_ENCODING            (V4L2_CID_MPEG_BASE+200)
 1188 enum v4l2_mpeg_video_encoding {
 1189         V4L2_MPEG_VIDEO_ENCODING_MPEG_1     = 0,
 1190         V4L2_MPEG_VIDEO_ENCODING_MPEG_2     = 1,
 1191         V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC = 2,
 1192 };
 1193 #define V4L2_CID_MPEG_VIDEO_ASPECT              (V4L2_CID_MPEG_BASE+201)
 1194 enum v4l2_mpeg_video_aspect {
 1195         V4L2_MPEG_VIDEO_ASPECT_1x1     = 0,
 1196         V4L2_MPEG_VIDEO_ASPECT_4x3     = 1,
 1197         V4L2_MPEG_VIDEO_ASPECT_16x9    = 2,
 1198         V4L2_MPEG_VIDEO_ASPECT_221x100 = 3,
 1199 };
 1200 #define V4L2_CID_MPEG_VIDEO_B_FRAMES            (V4L2_CID_MPEG_BASE+202)
 1201 #define V4L2_CID_MPEG_VIDEO_GOP_SIZE            (V4L2_CID_MPEG_BASE+203)
 1202 #define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE         (V4L2_CID_MPEG_BASE+204)
 1203 #define V4L2_CID_MPEG_VIDEO_PULLDOWN            (V4L2_CID_MPEG_BASE+205)
 1204 #define V4L2_CID_MPEG_VIDEO_BITRATE_MODE        (V4L2_CID_MPEG_BASE+206)
 1205 enum v4l2_mpeg_video_bitrate_mode {
 1206         V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0,
 1207         V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,
 1208 };
 1209 #define V4L2_CID_MPEG_VIDEO_BITRATE             (V4L2_CID_MPEG_BASE+207)
 1210 #define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK        (V4L2_CID_MPEG_BASE+208)
 1211 #define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209)
 1212 #define V4L2_CID_MPEG_VIDEO_MUTE                (V4L2_CID_MPEG_BASE+210)
 1213 #define V4L2_CID_MPEG_VIDEO_MUTE_YUV            (V4L2_CID_MPEG_BASE+211)
 1214 
 1215 /*  MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
 1216 #define V4L2_CID_MPEG_CX2341X_BASE                              (V4L2_CTRL_CLASS_MPEG | 0x1000)
 1217 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE         (V4L2_CID_MPEG_CX2341X_BASE+0)
 1218 enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {
 1219         V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0,
 1220         V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO   = 1,
 1221 };
 1222 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER              (V4L2_CID_MPEG_CX2341X_BASE+1)
 1223 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE    (V4L2_CID_MPEG_CX2341X_BASE+2)
 1224 enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type {
 1225         V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF                  = 0,
 1226         V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR               = 1,
 1227         V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT              = 2,
 1228         V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE      = 3,
 1229         V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4,
 1230 };
 1231 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE  (V4L2_CID_MPEG_CX2341X_BASE+3)
 1232 enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type {
 1233         V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF    = 0,
 1234         V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
 1235 };
 1236 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE        (V4L2_CID_MPEG_CX2341X_BASE+4)
 1237 enum v4l2_mpeg_cx2341x_video_temporal_filter_mode {
 1238         V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0,
 1239         V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO   = 1,
 1240 };
 1241 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER             (V4L2_CID_MPEG_CX2341X_BASE+5)
 1242 #define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE          (V4L2_CID_MPEG_CX2341X_BASE+6)
 1243 enum v4l2_mpeg_cx2341x_video_median_filter_type {
 1244         V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF      = 0,
 1245         V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR      = 1,
 1246         V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT     = 2,
 1247         V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3,
 1248         V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG     = 4,
 1249 };
 1250 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM   (V4L2_CID_MPEG_CX2341X_BASE+7)
 1251 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP      (V4L2_CID_MPEG_CX2341X_BASE+8)
 1252 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+9)
 1253 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP    (V4L2_CID_MPEG_CX2341X_BASE+10)
 1254 #define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS         (V4L2_CID_MPEG_CX2341X_BASE+11)
 1255 
 1256 /*  Camera class control IDs */
 1257 #define V4L2_CID_CAMERA_CLASS_BASE      (V4L2_CTRL_CLASS_CAMERA | 0x900)
 1258 #define V4L2_CID_CAMERA_CLASS           (V4L2_CTRL_CLASS_CAMERA | 1)
 1259 
 1260 #define V4L2_CID_EXPOSURE_AUTO                  (V4L2_CID_CAMERA_CLASS_BASE+1)
 1261 enum  v4l2_exposure_auto_type {
 1262         V4L2_EXPOSURE_AUTO = 0,
 1263         V4L2_EXPOSURE_MANUAL = 1,
 1264         V4L2_EXPOSURE_SHUTTER_PRIORITY = 2,
 1265         V4L2_EXPOSURE_APERTURE_PRIORITY = 3
 1266 };
 1267 #define V4L2_CID_EXPOSURE_ABSOLUTE              (V4L2_CID_CAMERA_CLASS_BASE+2)
 1268 #define V4L2_CID_EXPOSURE_AUTO_PRIORITY         (V4L2_CID_CAMERA_CLASS_BASE+3)
 1269 
 1270 #define V4L2_CID_PAN_RELATIVE                   (V4L2_CID_CAMERA_CLASS_BASE+4)
 1271 #define V4L2_CID_TILT_RELATIVE                  (V4L2_CID_CAMERA_CLASS_BASE+5)
 1272 #define V4L2_CID_PAN_RESET                      (V4L2_CID_CAMERA_CLASS_BASE+6)
 1273 #define V4L2_CID_TILT_RESET                     (V4L2_CID_CAMERA_CLASS_BASE+7)
 1274 
 1275 #define V4L2_CID_PAN_ABSOLUTE                   (V4L2_CID_CAMERA_CLASS_BASE+8)
 1276 #define V4L2_CID_TILT_ABSOLUTE                  (V4L2_CID_CAMERA_CLASS_BASE+9)
 1277 
 1278 #define V4L2_CID_FOCUS_ABSOLUTE                 (V4L2_CID_CAMERA_CLASS_BASE+10)
 1279 #define V4L2_CID_FOCUS_RELATIVE                 (V4L2_CID_CAMERA_CLASS_BASE+11)
 1280 #define V4L2_CID_FOCUS_AUTO                     (V4L2_CID_CAMERA_CLASS_BASE+12)
 1281 
 1282 #define V4L2_CID_ZOOM_ABSOLUTE                  (V4L2_CID_CAMERA_CLASS_BASE+13)
 1283 #define V4L2_CID_ZOOM_RELATIVE                  (V4L2_CID_CAMERA_CLASS_BASE+14)
 1284 #define V4L2_CID_ZOOM_CONTINUOUS                (V4L2_CID_CAMERA_CLASS_BASE+15)
 1285 
 1286 #define V4L2_CID_PRIVACY                        (V4L2_CID_CAMERA_CLASS_BASE+16)
 1287 
 1288 /* FM Modulator class control IDs */
 1289 #define V4L2_CID_FM_TX_CLASS_BASE               (V4L2_CTRL_CLASS_FM_TX | 0x900)
 1290 #define V4L2_CID_FM_TX_CLASS                    (V4L2_CTRL_CLASS_FM_TX | 1)
 1291 
 1292 #define V4L2_CID_RDS_TX_DEVIATION               (V4L2_CID_FM_TX_CLASS_BASE + 1)
 1293 #define V4L2_CID_RDS_TX_PI                      (V4L2_CID_FM_TX_CLASS_BASE + 2)
 1294 #define V4L2_CID_RDS_TX_PTY                     (V4L2_CID_FM_TX_CLASS_BASE + 3)
 1295 #define V4L2_CID_RDS_TX_PS_NAME                 (V4L2_CID_FM_TX_CLASS_BASE + 5)
 1296 #define V4L2_CID_RDS_TX_RADIO_TEXT              (V4L2_CID_FM_TX_CLASS_BASE + 6)
 1297 
 1298 #define V4L2_CID_AUDIO_LIMITER_ENABLED          (V4L2_CID_FM_TX_CLASS_BASE + 64)
 1299 #define V4L2_CID_AUDIO_LIMITER_RELEASE_TIME     (V4L2_CID_FM_TX_CLASS_BASE + 65)
 1300 #define V4L2_CID_AUDIO_LIMITER_DEVIATION        (V4L2_CID_FM_TX_CLASS_BASE + 66)
 1301 
 1302 #define V4L2_CID_AUDIO_COMPRESSION_ENABLED      (V4L2_CID_FM_TX_CLASS_BASE + 80)
 1303 #define V4L2_CID_AUDIO_COMPRESSION_GAIN         (V4L2_CID_FM_TX_CLASS_BASE + 81)
 1304 #define V4L2_CID_AUDIO_COMPRESSION_THRESHOLD    (V4L2_CID_FM_TX_CLASS_BASE + 82)
 1305 #define V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME  (V4L2_CID_FM_TX_CLASS_BASE + 83)
 1306 #define V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME (V4L2_CID_FM_TX_CLASS_BASE + 84)
 1307 
 1308 #define V4L2_CID_PILOT_TONE_ENABLED             (V4L2_CID_FM_TX_CLASS_BASE + 96)
 1309 #define V4L2_CID_PILOT_TONE_DEVIATION           (V4L2_CID_FM_TX_CLASS_BASE + 97)
 1310 #define V4L2_CID_PILOT_TONE_FREQUENCY           (V4L2_CID_FM_TX_CLASS_BASE + 98)
 1311 
 1312 #define V4L2_CID_TUNE_PREEMPHASIS               (V4L2_CID_FM_TX_CLASS_BASE + 112)
 1313 enum v4l2_preemphasis {
 1314         V4L2_PREEMPHASIS_DISABLED       = 0,
 1315         V4L2_PREEMPHASIS_50_uS          = 1,
 1316         V4L2_PREEMPHASIS_75_uS          = 2,
 1317 };
 1318 #define V4L2_CID_TUNE_POWER_LEVEL               (V4L2_CID_FM_TX_CLASS_BASE + 113)
 1319 #define V4L2_CID_TUNE_ANTENNA_CAPACITOR         (V4L2_CID_FM_TX_CLASS_BASE + 114)
 1320 
 1321 /*
 1322  *      T U N I N G
 1323  */
 1324 struct v4l2_tuner {
 1325         __u32                   index;
 1326         __u8                    name[32];
 1327         enum v4l2_tuner_type    type;
 1328         __u32                   capability;
 1329         __u32                   rangelow;
 1330         __u32                   rangehigh;
 1331         __u32                   rxsubchans;
 1332         __u32                   audmode;
 1333         __s32                   signal;
 1334         __s32                   afc;
 1335         __u32                   reserved[4];
 1336 };
 1337 
 1338 struct v4l2_modulator {
 1339         __u32                   index;
 1340         __u8                    name[32];
 1341         __u32                   capability;
 1342         __u32                   rangelow;
 1343         __u32                   rangehigh;
 1344         __u32                   txsubchans;
 1345         __u32                   reserved[4];
 1346 };
 1347 
 1348 /*  Flags for the 'capability' field */
 1349 #define V4L2_TUNER_CAP_LOW              0x0001
 1350 #define V4L2_TUNER_CAP_NORM             0x0002
 1351 #define V4L2_TUNER_CAP_STEREO           0x0010
 1352 #define V4L2_TUNER_CAP_LANG2            0x0020
 1353 #define V4L2_TUNER_CAP_SAP              0x0020
 1354 #define V4L2_TUNER_CAP_LANG1            0x0040
 1355 #define V4L2_TUNER_CAP_RDS              0x0080
 1356 
 1357 /*  Flags for the 'rxsubchans' field */
 1358 #define V4L2_TUNER_SUB_MONO             0x0001
 1359 #define V4L2_TUNER_SUB_STEREO           0x0002
 1360 #define V4L2_TUNER_SUB_LANG2            0x0004
 1361 #define V4L2_TUNER_SUB_SAP              0x0004
 1362 #define V4L2_TUNER_SUB_LANG1            0x0008
 1363 #define V4L2_TUNER_SUB_RDS              0x0010
 1364 
 1365 /*  Values for the 'audmode' field */
 1366 #define V4L2_TUNER_MODE_MONO            0x0000
 1367 #define V4L2_TUNER_MODE_STEREO          0x0001
 1368 #define V4L2_TUNER_MODE_LANG2           0x0002
 1369 #define V4L2_TUNER_MODE_SAP             0x0002
 1370 #define V4L2_TUNER_MODE_LANG1           0x0003
 1371 #define V4L2_TUNER_MODE_LANG1_LANG2     0x0004
 1372 
 1373 struct v4l2_frequency {
 1374         __u32                 tuner;
 1375         enum v4l2_tuner_type  type;
 1376         __u32                 frequency;
 1377         __u32                 reserved[8];
 1378 };
 1379 
 1380 struct v4l2_hw_freq_seek {
 1381         __u32                 tuner;
 1382         enum v4l2_tuner_type  type;
 1383         __u32                 seek_upward;
 1384         __u32                 wrap_around;
 1385         __u32                 reserved[8];
 1386 };
 1387 
 1388 /*
 1389  *      R D S
 1390  */
 1391 
 1392 struct v4l2_rds_data {
 1393         __u8    lsb;
 1394         __u8    msb;
 1395         __u8    block;
 1396 } __attribute__ ((packed));
 1397 
 1398 #define V4L2_RDS_BLOCK_MSK       0x7
 1399 #define V4L2_RDS_BLOCK_A         0
 1400 #define V4L2_RDS_BLOCK_B         1
 1401 #define V4L2_RDS_BLOCK_C         2
 1402 #define V4L2_RDS_BLOCK_D         3
 1403 #define V4L2_RDS_BLOCK_C_ALT     4
 1404 #define V4L2_RDS_BLOCK_INVALID   7
 1405 
 1406 #define V4L2_RDS_BLOCK_CORRECTED 0x40
 1407 #define V4L2_RDS_BLOCK_ERROR     0x80
 1408 
 1409 /*
 1410  *      A U D I O
 1411  */
 1412 struct v4l2_audio {
 1413         __u32   index;
 1414         __u8    name[32];
 1415         __u32   capability;
 1416         __u32   mode;
 1417         __u32   reserved[2];
 1418 };
 1419 
 1420 /*  Flags for the 'capability' field */
 1421 #define V4L2_AUDCAP_STEREO              0x00001
 1422 #define V4L2_AUDCAP_AVL                 0x00002
 1423 
 1424 /*  Flags for the 'mode' field */
 1425 #define V4L2_AUDMODE_AVL                0x00001
 1426 
 1427 struct v4l2_audioout {
 1428         __u32   index;
 1429         __u8    name[32];
 1430         __u32   capability;
 1431         __u32   mode;
 1432         __u32   reserved[2];
 1433 };
 1434 
 1435 /*
 1436  *      M P E G   S E R V I C E S
 1437  *
 1438  *      NOTE: EXPERIMENTAL API
 1439  */
 1440 #if 1
 1441 #define V4L2_ENC_IDX_FRAME_I    (0)
 1442 #define V4L2_ENC_IDX_FRAME_P    (1)
 1443 #define V4L2_ENC_IDX_FRAME_B    (2)
 1444 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
 1445 
 1446 struct v4l2_enc_idx_entry {
 1447         __u64 offset;
 1448         __u64 pts;
 1449         __u32 length;
 1450         __u32 flags;
 1451         __u32 reserved[2];
 1452 };
 1453 
 1454 #define V4L2_ENC_IDX_ENTRIES (64)
 1455 struct v4l2_enc_idx {
 1456         __u32 entries;
 1457         __u32 entries_cap;
 1458         __u32 reserved[4];
 1459         struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
 1460 };
 1461 
 1462 
 1463 #define V4L2_ENC_CMD_START      (0)
 1464 #define V4L2_ENC_CMD_STOP       (1)
 1465 #define V4L2_ENC_CMD_PAUSE      (2)
 1466 #define V4L2_ENC_CMD_RESUME     (3)
 1467 
 1468 /* Flags for V4L2_ENC_CMD_STOP */
 1469 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
 1470 
 1471 struct v4l2_encoder_cmd {
 1472         __u32 cmd;
 1473         __u32 flags;
 1474         union {
 1475                 struct {
 1476                         __u32 data[8];
 1477                 } raw;
 1478         } x;
 1479 };
 1480 
 1481 #endif
 1482 
 1483 
 1484 /*
 1485  *      D A T A   S E R V I C E S   ( V B I )
 1486  *
 1487  *      Data services API by Michael Schimek
 1488  */
 1489 
 1490 /* Raw VBI */
 1491 struct v4l2_vbi_format {
 1492         __u32   sampling_rate;          /* in 1 Hz */
 1493         __u32   offset;
 1494         __u32   samples_per_line;
 1495         __u32   sample_format;          /* V4L2_PIX_FMT_* */
 1496         __s32   start[2];
 1497         __u32   count[2];
 1498         __u32   flags;                  /* V4L2_VBI_* */
 1499         __u32   reserved[2];            /* must be zero */
 1500 };
 1501 
 1502 /*  VBI flags  */
 1503 #define V4L2_VBI_UNSYNC         (1 << 0)
 1504 #define V4L2_VBI_INTERLACED     (1 << 1)
 1505 
 1506 /* Sliced VBI
 1507  *
 1508  *    This implements is a proposal V4L2 API to allow SLICED VBI
 1509  * required for some hardware encoders. It should change without
 1510  * notice in the definitive implementation.
 1511  */
 1512 
 1513 struct v4l2_sliced_vbi_format {
 1514         __u16   service_set;
 1515         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
 1516            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
 1517                                  (equals frame lines 313-336 for 625 line video
 1518                                   standards, 263-286 for 525 line standards) */
 1519         __u16   service_lines[2][24];
 1520         __u32   io_size;
 1521         __u32   reserved[2];            /* must be zero */
 1522 };
 1523 
 1524 /* Teletext World System Teletext
 1525    (WST), defined on ITU-R BT.653-2 */
 1526 #define V4L2_SLICED_TELETEXT_B          (0x0001)
 1527 /* Video Program System, defined on ETS 300 231*/
 1528 #define V4L2_SLICED_VPS                 (0x0400)
 1529 /* Closed Caption, defined on EIA-608 */
 1530 #define V4L2_SLICED_CAPTION_525         (0x1000)
 1531 /* Wide Screen System, defined on ITU-R BT1119.1 */
 1532 #define V4L2_SLICED_WSS_625             (0x4000)
 1533 
 1534 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
 1535 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
 1536 
 1537 struct v4l2_sliced_vbi_cap {
 1538         __u16   service_set;
 1539         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
 1540            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
 1541                                  (equals frame lines 313-336 for 625 line video
 1542                                   standards, 263-286 for 525 line standards) */
 1543         __u16   service_lines[2][24];
 1544         enum v4l2_buf_type type;
 1545         __u32   reserved[3];    /* must be 0 */
 1546 };
 1547 
 1548 struct v4l2_sliced_vbi_data {
 1549         __u32   id;
 1550         __u32   field;          /* 0: first field, 1: second field */
 1551         __u32   line;           /* 1-23 */
 1552         __u32   reserved;       /* must be 0 */
 1553         __u8    data[48];
 1554 };
 1555 
 1556 /*
 1557  * Sliced VBI data inserted into MPEG Streams
 1558  */
 1559 
 1560 /*
 1561  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
 1562  *
 1563  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
 1564  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
 1565  * data
 1566  *
 1567  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
 1568  * definitions are not included here.  See the MPEG-2 specifications for details
 1569  * on these headers.
 1570  */
 1571 
 1572 /* Line type IDs */
 1573 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
 1574 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
 1575 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
 1576 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
 1577 
 1578 struct v4l2_mpeg_vbi_itv0_line {
 1579         __u8 id;        /* One of V4L2_MPEG_VBI_IVTV_* above */
 1580         __u8 data[42];  /* Sliced VBI data for the line */
 1581 } __attribute__ ((packed));
 1582 
 1583 struct v4l2_mpeg_vbi_itv0 {
 1584         __le32 linemask[2]; /* Bitmasks of VBI service lines present */
 1585         struct v4l2_mpeg_vbi_itv0_line line[35];
 1586 } __attribute__ ((packed));
 1587 
 1588 struct v4l2_mpeg_vbi_ITV0 {
 1589         struct v4l2_mpeg_vbi_itv0_line line[36];
 1590 } __attribute__ ((packed));
 1591 
 1592 #define V4L2_MPEG_VBI_IVTV_MAGIC0       "itv0"
 1593 #define V4L2_MPEG_VBI_IVTV_MAGIC1       "ITV0"
 1594 
 1595 struct v4l2_mpeg_vbi_fmt_ivtv {
 1596         __u8 magic[4];
 1597         union {
 1598                 struct v4l2_mpeg_vbi_itv0 itv0;
 1599                 struct v4l2_mpeg_vbi_ITV0 ITV0;
 1600         } x;
 1601 } __attribute__ ((packed));
 1602 
 1603 /*
 1604  *      A G G R E G A T E   S T R U C T U R E S
 1605  */
 1606 
 1607 /*      Stream data format
 1608  */
 1609 struct v4l2_format {
 1610         enum v4l2_buf_type type;
 1611         union {
 1612                 struct v4l2_pix_format          pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
 1613                 struct v4l2_window              win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
 1614                 struct v4l2_vbi_format          vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
 1615                 struct v4l2_sliced_vbi_format   sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
 1616                 __u8    raw_data[200];                   /* user-defined */
 1617         } fmt;
 1618 };
 1619 
 1620 
 1621 /*      Stream type-dependent parameters
 1622  */
 1623 struct v4l2_streamparm {
 1624         enum v4l2_buf_type type;
 1625         union {
 1626                 struct v4l2_captureparm capture;
 1627                 struct v4l2_outputparm  output;
 1628                 __u8    raw_data[200];  /* user-defined */
 1629         } parm;
 1630 };
 1631 
 1632 /*
 1633  *      A D V A N C E D   D E B U G G I N G
 1634  *
 1635  *      NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
 1636  *      FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
 1637  */
 1638 
 1639 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
 1640 
 1641 #define V4L2_CHIP_MATCH_HOST       0  /* Match against chip ID on host (0 for the host) */
 1642 #define V4L2_CHIP_MATCH_I2C_DRIVER 1  /* Match against I2C driver name */
 1643 #define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
 1644 #define V4L2_CHIP_MATCH_AC97       3  /* Match against anciliary AC97 chip */
 1645 
 1646 struct v4l2_dbg_match {
 1647         __u32 type; /* Match type */
 1648         union {     /* Match this chip, meaning determined by type */
 1649                 __u32 addr;
 1650                 char name[32];
 1651         } x;
 1652 } __attribute__ ((packed));
 1653 
 1654 struct v4l2_dbg_register {
 1655         struct v4l2_dbg_match match;
 1656         __u32 size;     /* register size in bytes */
 1657         __u64 reg;
 1658         __u64 val;
 1659 } __attribute__ ((packed));
 1660 
 1661 /* VIDIOC_DBG_G_CHIP_IDENT */
 1662 struct v4l2_dbg_chip_ident {
 1663         struct v4l2_dbg_match match;
 1664         __u32 ident;       /* chip identifier as specified in <media/v4l2-chip-ident.h> */
 1665         __u32 revision;    /* chip revision, chip specific */
 1666 } __attribute__ ((packed));
 1667 
 1668 /*
 1669  *      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
 1670  *
 1671  */
 1672 #define VIDIOC_QUERYCAP          _IOR('V',  0, struct v4l2_capability)
 1673 #define VIDIOC_RESERVED           _IO('V',  1)
 1674 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
 1675 #define VIDIOC_G_FMT            _IOWR('V',  4, struct v4l2_format)
 1676 #define VIDIOC_S_FMT            _IOWR('V',  5, struct v4l2_format)
 1677 #define VIDIOC_REQBUFS          _IOWR('V',  8, struct v4l2_requestbuffers)
 1678 #define VIDIOC_QUERYBUF         _IOWR('V',  9, struct v4l2_buffer)
 1679 #define VIDIOC_G_FBUF            _IOR('V', 10, struct v4l2_framebuffer)
 1680 #define VIDIOC_S_FBUF            _IOW('V', 11, struct v4l2_framebuffer)
 1681 #define VIDIOC_OVERLAY           _IOW('V', 14, int)
 1682 #define VIDIOC_QBUF             _IOWR('V', 15, struct v4l2_buffer)
 1683 #define VIDIOC_DQBUF            _IOWR('V', 17, struct v4l2_buffer)
 1684 #define VIDIOC_STREAMON          _IOW('V', 18, int)
 1685 #define VIDIOC_STREAMOFF         _IOW('V', 19, int)
 1686 #define VIDIOC_G_PARM           _IOWR('V', 21, struct v4l2_streamparm)
 1687 #define VIDIOC_S_PARM           _IOWR('V', 22, struct v4l2_streamparm)
 1688 #define VIDIOC_G_STD             _IOR('V', 23, v4l2_std_id)
 1689 #define VIDIOC_S_STD             _IOW('V', 24, v4l2_std_id)
 1690 #define VIDIOC_ENUMSTD          _IOWR('V', 25, struct v4l2_standard)
 1691 #define VIDIOC_ENUMINPUT        _IOWR('V', 26, struct v4l2_input)
 1692 #define VIDIOC_G_CTRL           _IOWR('V', 27, struct v4l2_control)
 1693 #define VIDIOC_S_CTRL           _IOWR('V', 28, struct v4l2_control)
 1694 #define VIDIOC_G_TUNER          _IOWR('V', 29, struct v4l2_tuner)
 1695 #define VIDIOC_S_TUNER           _IOW('V', 30, struct v4l2_tuner)
 1696 #define VIDIOC_G_AUDIO           _IOR('V', 33, struct v4l2_audio)
 1697 #define VIDIOC_S_AUDIO           _IOW('V', 34, struct v4l2_audio)
 1698 #define VIDIOC_QUERYCTRL        _IOWR('V', 36, struct v4l2_queryctrl)
 1699 #define VIDIOC_QUERYMENU        _IOWR('V', 37, struct v4l2_querymenu)
 1700 #define VIDIOC_G_INPUT           _IOR('V', 38, int)
 1701 #define VIDIOC_S_INPUT          _IOWR('V', 39, int)
 1702 #define VIDIOC_G_OUTPUT          _IOR('V', 46, int)
 1703 #define VIDIOC_S_OUTPUT         _IOWR('V', 47, int)
 1704 #define VIDIOC_ENUMOUTPUT       _IOWR('V', 48, struct v4l2_output)
 1705 #define VIDIOC_G_AUDOUT          _IOR('V', 49, struct v4l2_audioout)
 1706 #define VIDIOC_S_AUDOUT          _IOW('V', 50, struct v4l2_audioout)
 1707 #define VIDIOC_G_MODULATOR      _IOWR('V', 54, struct v4l2_modulator)
 1708 #define VIDIOC_S_MODULATOR       _IOW('V', 55, struct v4l2_modulator)
 1709 #define VIDIOC_G_FREQUENCY      _IOWR('V', 56, struct v4l2_frequency)
 1710 #define VIDIOC_S_FREQUENCY       _IOW('V', 57, struct v4l2_frequency)
 1711 #define VIDIOC_CROPCAP          _IOWR('V', 58, struct v4l2_cropcap)
 1712 #define VIDIOC_G_CROP           _IOWR('V', 59, struct v4l2_crop)
 1713 #define VIDIOC_S_CROP            _IOW('V', 60, struct v4l2_crop)
 1714 #define VIDIOC_G_JPEGCOMP        _IOR('V', 61, struct v4l2_jpegcompression)
 1715 #define VIDIOC_S_JPEGCOMP        _IOW('V', 62, struct v4l2_jpegcompression)
 1716 #define VIDIOC_QUERYSTD          _IOR('V', 63, v4l2_std_id)
 1717 #define VIDIOC_TRY_FMT          _IOWR('V', 64, struct v4l2_format)
 1718 #define VIDIOC_ENUMAUDIO        _IOWR('V', 65, struct v4l2_audio)
 1719 #define VIDIOC_ENUMAUDOUT       _IOWR('V', 66, struct v4l2_audioout)
 1720 #define VIDIOC_G_PRIORITY        _IOR('V', 67, enum v4l2_priority)
 1721 #define VIDIOC_S_PRIORITY        _IOW('V', 68, enum v4l2_priority)
 1722 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
 1723 #define VIDIOC_LOG_STATUS         _IO('V', 70)
 1724 #define VIDIOC_G_EXT_CTRLS      _IOWR('V', 71, struct v4l2_ext_controls)
 1725 #define VIDIOC_S_EXT_CTRLS      _IOWR('V', 72, struct v4l2_ext_controls)
 1726 #define VIDIOC_TRY_EXT_CTRLS    _IOWR('V', 73, struct v4l2_ext_controls)
 1727 #if 1
 1728 #define VIDIOC_ENUM_FRAMESIZES  _IOWR('V', 74, struct v4l2_frmsizeenum)
 1729 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
 1730 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
 1731 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
 1732 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
 1733 #endif
 1734 
 1735 #if 1
 1736 /* Experimental, meant for debugging, testing and internal use.
 1737    Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
 1738    You must be root to use these ioctls. Never use these in applications! */
 1739 #define VIDIOC_DBG_S_REGISTER    _IOW('V', 79, struct v4l2_dbg_register)
 1740 #define VIDIOC_DBG_G_REGISTER   _IOWR('V', 80, struct v4l2_dbg_register)
 1741 
 1742 /* Experimental, meant for debugging, testing and internal use.
 1743    Never use this ioctl in applications! */
 1744 #define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident)
 1745 #endif
 1746 
 1747 #define VIDIOC_S_HW_FREQ_SEEK    _IOW('V', 82, struct v4l2_hw_freq_seek)
 1748 #define VIDIOC_ENUM_DV_PRESETS  _IOWR('V', 83, struct v4l2_dv_enum_preset)
 1749 #define VIDIOC_S_DV_PRESET      _IOWR('V', 84, struct v4l2_dv_preset)
 1750 #define VIDIOC_G_DV_PRESET      _IOWR('V', 85, struct v4l2_dv_preset)
 1751 #define VIDIOC_QUERY_DV_PRESET  _IOR('V',  86, struct v4l2_dv_preset)
 1752 #define VIDIOC_S_DV_TIMINGS     _IOWR('V', 87, struct v4l2_dv_timings)
 1753 #define VIDIOC_G_DV_TIMINGS     _IOWR('V', 88, struct v4l2_dv_timings)
 1754 
 1755 /* Reminder: when adding new ioctls please add support for them to
 1756    drivers/media/video/v4l2-compat-ioctl32.c as well! */
 1757 
 1758 #ifdef __OLD_VIDIOC_
 1759 /* for compatibility, will go away some day */
 1760 #define VIDIOC_OVERLAY_OLD      _IOWR('V', 14, int)
 1761 #define VIDIOC_S_PARM_OLD        _IOW('V', 22, struct v4l2_streamparm)
 1762 #define VIDIOC_S_CTRL_OLD        _IOW('V', 28, struct v4l2_control)
 1763 #define VIDIOC_G_AUDIO_OLD      _IOWR('V', 33, struct v4l2_audio)
 1764 #define VIDIOC_G_AUDOUT_OLD     _IOWR('V', 49, struct v4l2_audioout)
 1765 #define VIDIOC_CROPCAP_OLD       _IOR('V', 58, struct v4l2_cropcap)
 1766 #endif
 1767 
 1768 #define BASE_VIDIOC_PRIVATE     192             /* 192-255 are private */
 1769 
 1770 #endif /* __LINUX_VIDEODEV2_H */

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