include/uapi/linux/videodev2.h

   1 /*
   2  *  Video for Linux Two header file
   3  *
   4  *  Copyright (C) 1999-2012 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 #ifndef _UAPI__LINUX_VIDEODEV2_H
  57 #define _UAPI__LINUX_VIDEODEV2_H
  58
  59 #ifndef __KERNEL__
  60 #include <sys/time.h>
  61 #endif
  62 #include <linux/compiler.h>
  63 #include <linux/ioctl.h>
  64 #include <linux/types.h>
  65 #include <linux/v4l2-common.h>
  66 #include <linux/v4l2-controls.h>
  67
  68 /*
  69  * Common stuff for both V4L1 and V4L2
  70  * Moved from videodev.h
  71  */
  72 #define VIDEO_MAX_FRAME               32
  73 #define VIDEO_MAX_PLANES               8
  74
  75 /*
  76  *      M I S C E L L A N E O U S
  77  */
  78
  79 /*  Four-character-code (FOURCC) */
  80 #define v4l2_fourcc(a, b, c, d)\
  81         ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
  82
  83 /*
  84  *      E N U M S
  85  */
  86 enum v4l2_field {
  87         V4L2_FIELD_ANY           = 0, /* driver can choose from none,
  88                                          top, bottom, interlaced
  89                                          depending on whatever it thinks
  90                                          is approximate ... */
  91         V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
  92         V4L2_FIELD_TOP           = 2, /* top field only */
  93         V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
  94         V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
  95         V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
  96                                          buffer, top-bottom order */
  97         V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
  98         V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
  99                                          separate buffers */
 100         V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
 101                                          first and the top field is
 102                                          transmitted first */
 103         V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
 104                                          first and the bottom field is
 105                                          transmitted first */
 106 };
 107 #define V4L2_FIELD_HAS_TOP(field)       \
 108         ((field) == V4L2_FIELD_TOP      ||\
 109          (field) == V4L2_FIELD_INTERLACED ||\
 110          (field) == V4L2_FIELD_INTERLACED_TB ||\
 111          (field) == V4L2_FIELD_INTERLACED_BT ||\
 112          (field) == V4L2_FIELD_SEQ_TB   ||\
 113          (field) == V4L2_FIELD_SEQ_BT)
 114 #define V4L2_FIELD_HAS_BOTTOM(field)    \
 115         ((field) == V4L2_FIELD_BOTTOM   ||\
 116          (field) == V4L2_FIELD_INTERLACED ||\
 117          (field) == V4L2_FIELD_INTERLACED_TB ||\
 118          (field) == V4L2_FIELD_INTERLACED_BT ||\
 119          (field) == V4L2_FIELD_SEQ_TB   ||\
 120          (field) == V4L2_FIELD_SEQ_BT)
 121 #define V4L2_FIELD_HAS_BOTH(field)      \
 122         ((field) == V4L2_FIELD_INTERLACED ||\
 123          (field) == V4L2_FIELD_INTERLACED_TB ||\
 124          (field) == V4L2_FIELD_INTERLACED_BT ||\
 125          (field) == V4L2_FIELD_SEQ_TB ||\
 126          (field) == V4L2_FIELD_SEQ_BT)
 127
 128 enum v4l2_buf_type {
 129         V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
 130         V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
 131         V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
 132         V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
 133         V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
 134         V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
 135         V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
 136 #if 1
 137         /* Experimental */
 138         V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
 139 #endif
 140         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
 141         V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
 142         V4L2_BUF_TYPE_SDR_CAPTURE          = 11,
 143         /* Deprecated, do not use */
 144         V4L2_BUF_TYPE_PRIVATE              = 0x80,
 145 };
 146
 147 #define V4L2_TYPE_IS_MULTIPLANAR(type)                  \
 148         ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE   \
 149          || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 150
 151 #define V4L2_TYPE_IS_OUTPUT(type)                               \
 152         ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT                   \
 153          || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE         \
 154          || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY               \
 155          || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY        \
 156          || (type) == V4L2_BUF_TYPE_VBI_OUTPUT                  \
 157          || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
 158
 159 enum v4l2_tuner_type {
 160         V4L2_TUNER_RADIO             = 1,
 161         V4L2_TUNER_ANALOG_TV         = 2,
 162         V4L2_TUNER_DIGITAL_TV        = 3,
 163         V4L2_TUNER_ADC               = 4,
 164         V4L2_TUNER_RF                = 5,
 165 };
 166
 167 enum v4l2_memory {
 168         V4L2_MEMORY_MMAP             = 1,
 169         V4L2_MEMORY_USERPTR          = 2,
 170         V4L2_MEMORY_OVERLAY          = 3,
 171         V4L2_MEMORY_DMABUF           = 4,
 172 };
 173
 174 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
 175 enum v4l2_colorspace {
 176         /* ITU-R 601 -- broadcast NTSC/PAL */
 177         V4L2_COLORSPACE_SMPTE170M     = 1,
 178
 179         /* 1125-Line (US) HDTV */
 180         V4L2_COLORSPACE_SMPTE240M     = 2,
 181
 182         /* HD and modern captures. */
 183         V4L2_COLORSPACE_REC709        = 3,
 184
 185         /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
 186         V4L2_COLORSPACE_BT878         = 4,
 187
 188         /* These should be useful.  Assume 601 extents. */
 189         V4L2_COLORSPACE_470_SYSTEM_M  = 5,
 190         V4L2_COLORSPACE_470_SYSTEM_BG = 6,
 191
 192         /* I know there will be cameras that send this.  So, this is
 193          * unspecified chromaticities and full 0-255 on each of the
 194          * Y'CbCr components
 195          */
 196         V4L2_COLORSPACE_JPEG          = 7,
 197
 198         /* For RGB colourspaces, this is probably a good start. */
 199         V4L2_COLORSPACE_SRGB          = 8,
 200 };
 201
 202 enum v4l2_priority {
 203         V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
 204         V4L2_PRIORITY_BACKGROUND  = 1,
 205         V4L2_PRIORITY_INTERACTIVE = 2,
 206         V4L2_PRIORITY_RECORD      = 3,
 207         V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
 208 };
 209
 210 struct v4l2_rect {
 211         __s32   left;
 212         __s32   top;
 213         __u32   width;
 214         __u32   height;
 215 };
 216
 217 struct v4l2_fract {
 218         __u32   numerator;
 219         __u32   denominator;
 220 };
 221
 222 /**
 223   * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
 224   *
 225   * @driver:       name of the driver module (e.g. "bttv")
 226   * @card:         name of the card (e.g. "Hauppauge WinTV")
 227   * @bus_info:     name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
 228   * @version:      KERNEL_VERSION
 229   * @capabilities: capabilities of the physical device as a whole
 230   * @device_caps:  capabilities accessed via this particular device (node)
 231   * @reserved:     reserved fields for future extensions
 232   */
 233 struct v4l2_capability {
 234         __u8    driver[16];
 235         __u8    card[32];
 236         __u8    bus_info[32];
 237         __u32   version;
 238         __u32   capabilities;
 239         __u32   device_caps;
 240         __u32   reserved[3];
 241 };
 242
 243 /* Values for 'capabilities' field */
 244 #define V4L2_CAP_VIDEO_CAPTURE          0x00000001  /* Is a video capture device */
 245 #define V4L2_CAP_VIDEO_OUTPUT           0x00000002  /* Is a video output device */
 246 #define V4L2_CAP_VIDEO_OVERLAY          0x00000004  /* Can do video overlay */
 247 #define V4L2_CAP_VBI_CAPTURE            0x00000010  /* Is a raw VBI capture device */
 248 #define V4L2_CAP_VBI_OUTPUT             0x00000020  /* Is a raw VBI output device */
 249 #define V4L2_CAP_SLICED_VBI_CAPTURE     0x00000040  /* Is a sliced VBI capture device */
 250 #define V4L2_CAP_SLICED_VBI_OUTPUT      0x00000080  /* Is a sliced VBI output device */
 251 #define V4L2_CAP_RDS_CAPTURE            0x00000100  /* RDS data capture */
 252 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY   0x00000200  /* Can do video output overlay */
 253 #define V4L2_CAP_HW_FREQ_SEEK           0x00000400  /* Can do hardware frequency seek  */
 254 #define V4L2_CAP_RDS_OUTPUT             0x00000800  /* Is an RDS encoder */
 255
 256 /* Is a video capture device that supports multiplanar formats */
 257 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE   0x00001000
 258 /* Is a video output device that supports multiplanar formats */
 259 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE    0x00002000
 260 /* Is a video mem-to-mem device that supports multiplanar formats */
 261 #define V4L2_CAP_VIDEO_M2M_MPLANE       0x00004000
 262 /* Is a video mem-to-mem device */
 263 #define V4L2_CAP_VIDEO_M2M              0x00008000
 264
 265 #define V4L2_CAP_TUNER                  0x00010000  /* has a tuner */
 266 #define V4L2_CAP_AUDIO                  0x00020000  /* has audio support */
 267 #define V4L2_CAP_RADIO                  0x00040000  /* is a radio device */
 268 #define V4L2_CAP_MODULATOR              0x00080000  /* has a modulator */
 269
 270 #define V4L2_CAP_SDR_CAPTURE            0x00100000  /* Is a SDR capture device */
 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 #define V4L2_CAP_DEVICE_CAPS            0x80000000  /* sets device capabilities field */
 277
 278 /*
 279  *      V I D E O   I M A G E   F O R M A T
 280  */
 281 struct v4l2_pix_format {
 282         __u32                   width;
 283         __u32                   height;
 284         __u32                   pixelformat;
 285         __u32                   field;          /* enum v4l2_field */
 286         __u32                   bytesperline;   /* for padding, zero if unused */
 287         __u32                   sizeimage;
 288         __u32                   colorspace;     /* enum v4l2_colorspace */
 289         __u32                   priv;           /* private data, depends on pixelformat */
 290 };
 291
 292 /*      Pixel format         FOURCC                          depth  Description  */
 293
 294 /* RGB formats */
 295 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
 296 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
 297 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
 298 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
 299 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
 300 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
 301 #define V4L2_PIX_FMT_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6     */
 302 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
 303 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
 304 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
 305 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
 306
 307 /* Grey formats */
 308 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
 309 #define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
 310 #define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
 311 #define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
 312 #define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
 313 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
 314
 315 /* Grey bit-packed formats */
 316 #define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
 317
 318 /* Palette formats */
 319 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
 320
 321 /* Chrominance formats */
 322 #define V4L2_PIX_FMT_UV8     v4l2_fourcc('U', 'V', '8', ' ') /*  8  UV 4:4 */
 323
 324 /* Luminance+Chrominance formats */
 325 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
 326 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
 327 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
 328 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
 329 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
 330 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
 331 #define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
 332 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
 333 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16  YVU411 planar */
 334 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
 335 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
 336 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
 337 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
 338 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
 339 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
 340 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
 341 #define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
 342 #define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
 343 #define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
 344
 345 /* two planes -- one Y, one Cr + Cb interleaved  */
 346 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
 347 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
 348 #define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
 349 #define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
 350 #define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
 351 #define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */
 352
 353 /* two non contiguous planes - one Y, one Cr + Cb interleaved  */
 354 #define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
 355 #define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
 356 #define V4L2_PIX_FMT_NV16M   v4l2_fourcc('N', 'M', '1', '6') /* 16  Y/CbCr 4:2:2  */
 357 #define V4L2_PIX_FMT_NV61M   v4l2_fourcc('N', 'M', '6', '1') /* 16  Y/CrCb 4:2:2  */
 358 #define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */
 359 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 macroblocks */
 360
 361 /* three non contiguous planes - Y, Cb, Cr */
 362 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
 363 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */
 364
 365 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
 366 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
 367 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
 368 #define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
 369 #define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
 370 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
 371 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
 372 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
 373 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
 374 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
 375 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
 376 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
 377 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
 378         /* 10bit raw bayer a-law compressed to 8 bits */
 379 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
 380 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
 381 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
 382 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
 383         /* 10bit raw bayer DPCM compressed to 8 bits */
 384 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
 385 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
 386 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
 387 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
 388         /*
 389          * 10bit raw bayer, expanded to 16 bits
 390          * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
 391          */
 392 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
 393
 394 /* compressed formats */
 395 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
 396 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
 397 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
 398 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
 399 #define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
 400 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
 401 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
 402 #define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
 403 #define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
 404 #define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
 405 #define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
 406 #define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
 407 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
 408 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
 409 #define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
 410
 411 /*  Vendor-specific formats   */
 412 #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
 413 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
 414 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
 415 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
 416 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
 417 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
 418 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
 419 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
 420 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
 421 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
 422 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
 423 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
 424 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
 425 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
 426 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
 427 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
 428 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
 429 #define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
 430 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
 431 #define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
 432 #define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
 433 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
 434 #define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
 435 #define V4L2_PIX_FMT_JPGL       v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
 436 #define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
 437 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
 438
 439 /* SDR formats - used only for Software Defined Radio devices */
 440 #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
 441 #define V4L2_SDR_FMT_CU16LE       v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
 442
 443 /*
 444  *      F O R M A T   E N U M E R A T I O N
 445  */
 446 struct v4l2_fmtdesc {
 447         __u32               index;             /* Format number      */
 448         __u32               type;              /* enum v4l2_buf_type */
 449         __u32               flags;
 450         __u8                description[32];   /* Description string */
 451         __u32               pixelformat;       /* Format fourcc      */
 452         __u32               reserved[4];
 453 };
 454
 455 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
 456 #define V4L2_FMT_FLAG_EMULATED   0x0002
 457
 458 #if 1
 459         /* Experimental Frame Size and frame rate enumeration */
 460 /*
 461  *      F R A M E   S I Z E   E N U M E R A T I O N
 462  */
 463 enum v4l2_frmsizetypes {
 464         V4L2_FRMSIZE_TYPE_DISCRETE      = 1,
 465         V4L2_FRMSIZE_TYPE_CONTINUOUS    = 2,
 466         V4L2_FRMSIZE_TYPE_STEPWISE      = 3,
 467 };
 468
 469 struct v4l2_frmsize_discrete {
 470         __u32                   width;          /* Frame width [pixel] */
 471         __u32                   height;         /* Frame height [pixel] */
 472 };
 473
 474 struct v4l2_frmsize_stepwise {
 475         __u32                   min_width;      /* Minimum frame width [pixel] */
 476         __u32                   max_width;      /* Maximum frame width [pixel] */
 477         __u32                   step_width;     /* Frame width step size [pixel] */
 478         __u32                   min_height;     /* Minimum frame height [pixel] */
 479         __u32                   max_height;     /* Maximum frame height [pixel] */
 480         __u32                   step_height;    /* Frame height step size [pixel] */
 481 };
 482
 483 struct v4l2_frmsizeenum {
 484         __u32                   index;          /* Frame size number */
 485         __u32                   pixel_format;   /* Pixel format */
 486         __u32                   type;           /* Frame size type the device supports. */
 487
 488         union {                                 /* Frame size */
 489                 struct v4l2_frmsize_discrete    discrete;
 490                 struct v4l2_frmsize_stepwise    stepwise;
 491         };
 492
 493         __u32   reserved[2];                    /* Reserved space for future use */
 494 };
 495
 496 /*
 497  *      F R A M E   R A T E   E N U M E R A T I O N
 498  */
 499 enum v4l2_frmivaltypes {
 500         V4L2_FRMIVAL_TYPE_DISCRETE      = 1,
 501         V4L2_FRMIVAL_TYPE_CONTINUOUS    = 2,
 502         V4L2_FRMIVAL_TYPE_STEPWISE      = 3,
 503 };
 504
 505 struct v4l2_frmival_stepwise {
 506         struct v4l2_fract       min;            /* Minimum frame interval [s] */
 507         struct v4l2_fract       max;            /* Maximum frame interval [s] */
 508         struct v4l2_fract       step;           /* Frame interval step size [s] */
 509 };
 510
 511 struct v4l2_frmivalenum {
 512         __u32                   index;          /* Frame format index */
 513         __u32                   pixel_format;   /* Pixel format */
 514         __u32                   width;          /* Frame width */
 515         __u32                   height;         /* Frame height */
 516         __u32                   type;           /* Frame interval type the device supports. */
 517
 518         union {                                 /* Frame interval */
 519                 struct v4l2_fract               discrete;
 520                 struct v4l2_frmival_stepwise    stepwise;
 521         };
 522
 523         __u32   reserved[2];                    /* Reserved space for future use */
 524 };
 525 #endif
 526
 527 /*
 528  *      T I M E C O D E
 529  */
 530 struct v4l2_timecode {
 531         __u32   type;
 532         __u32   flags;
 533         __u8    frames;
 534         __u8    seconds;
 535         __u8    minutes;
 536         __u8    hours;
 537         __u8    userbits[4];
 538 };
 539
 540 /*  Type  */
 541 #define V4L2_TC_TYPE_24FPS              1
 542 #define V4L2_TC_TYPE_25FPS              2
 543 #define V4L2_TC_TYPE_30FPS              3
 544 #define V4L2_TC_TYPE_50FPS              4
 545 #define V4L2_TC_TYPE_60FPS              5
 546
 547 /*  Flags  */
 548 #define V4L2_TC_FLAG_DROPFRAME          0x0001 /* "drop-frame" mode */
 549 #define V4L2_TC_FLAG_COLORFRAME         0x0002
 550 #define V4L2_TC_USERBITS_field          0x000C
 551 #define V4L2_TC_USERBITS_USERDEFINED    0x0000
 552 #define V4L2_TC_USERBITS_8BITCHARS      0x0008
 553 /* The above is based on SMPTE timecodes */
 554
 555 struct v4l2_jpegcompression {
 556         int quality;
 557
 558         int  APPn;              /* Number of APP segment to be written,
 559                                  * must be 0..15 */
 560         int  APP_len;           /* Length of data in JPEG APPn segment */
 561         char APP_data[60];      /* Data in the JPEG APPn segment. */
 562
 563         int  COM_len;           /* Length of data in JPEG COM segment */
 564         char COM_data[60];      /* Data in JPEG COM segment */
 565
 566         __u32 jpeg_markers;     /* Which markers should go into the JPEG
 567                                  * output. Unless you exactly know what
 568                                  * you do, leave them untouched.
 569                                  * Including less markers will make the
 570                                  * resulting code smaller, but there will
 571                                  * be fewer applications which can read it.
 572                                  * The presence of the APP and COM marker
 573                                  * is influenced by APP_len and COM_len
 574                                  * ONLY, not by this property! */
 575
 576 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
 577 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
 578 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
 579 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
 580 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
 581                                         * always use APP0 */
 582 };
 583
 584 /*
 585  *      M E M O R Y - M A P P I N G   B U F F E R S
 586  */
 587 struct v4l2_requestbuffers {
 588         __u32                   count;
 589         __u32                   type;           /* enum v4l2_buf_type */
 590         __u32                   memory;         /* enum v4l2_memory */
 591         __u32                   reserved[2];
 592 };
 593
 594 /**
 595  * struct v4l2_plane - plane info for multi-planar buffers
 596  * @bytesused:          number of bytes occupied by data in the plane (payload)
 597  * @length:             size of this plane (NOT the payload) in bytes
 598  * @mem_offset:         when memory in the associated struct v4l2_buffer is
 599  *                      V4L2_MEMORY_MMAP, equals the offset from the start of
 600  *                      the device memory for this plane (or is a "cookie" that
 601  *                      should be passed to mmap() called on the video node)
 602  * @userptr:            when memory is V4L2_MEMORY_USERPTR, a userspace pointer
 603  *                      pointing to this plane
 604  * @fd:                 when memory is V4L2_MEMORY_DMABUF, a userspace file
 605  *                      descriptor associated with this plane
 606  * @data_offset:        offset in the plane to the start of data; usually 0,
 607  *                      unless there is a header in front of the data
 608  *
 609  * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
 610  * with two planes can have one plane for Y, and another for interleaved CbCr
 611  * components. Each plane can reside in a separate memory buffer, or even in
 612  * a completely separate memory node (e.g. in embedded devices).
 613  */
 614 struct v4l2_plane {
 615         __u32                   bytesused;
 616         __u32                   length;
 617         union {
 618                 __u32           mem_offset;
 619                 unsigned long   userptr;
 620                 __s32           fd;
 621         } m;
 622         __u32                   data_offset;
 623         __u32                   reserved[11];
 624 };
 625
 626 /**
 627  * struct v4l2_buffer - video buffer info
 628  * @index:      id number of the buffer
 629  * @type:       enum v4l2_buf_type; buffer type (type == *_MPLANE for
 630  *              multiplanar buffers);
 631  * @bytesused:  number of bytes occupied by data in the buffer (payload);
 632  *              unused (set to 0) for multiplanar buffers
 633  * @flags:      buffer informational flags
 634  * @field:      enum v4l2_field; field order of the image in the buffer
 635  * @timestamp:  frame timestamp
 636  * @timecode:   frame timecode
 637  * @sequence:   sequence count of this frame
 638  * @memory:     enum v4l2_memory; the method, in which the actual video data is
 639  *              passed
 640  * @offset:     for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
 641  *              offset from the start of the device memory for this plane,
 642  *              (or a "cookie" that should be passed to mmap() as offset)
 643  * @userptr:    for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
 644  *              a userspace pointer pointing to this buffer
 645  * @fd:         for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
 646  *              a userspace file descriptor associated with this buffer
 647  * @planes:     for multiplanar buffers; userspace pointer to the array of plane
 648  *              info structs for this buffer
 649  * @length:     size in bytes of the buffer (NOT its payload) for single-plane
 650  *              buffers (when type != *_MPLANE); number of elements in the
 651  *              planes array for multi-plane buffers
 652  *
 653  * Contains data exchanged by application and driver using one of the Streaming
 654  * I/O methods.
 655  */
 656 struct v4l2_buffer {
 657         __u32                   index;
 658         __u32                   type;
 659         __u32                   bytesused;
 660         __u32                   flags;
 661         __u32                   field;
 662         struct timeval          timestamp;
 663         struct v4l2_timecode    timecode;
 664         __u32                   sequence;
 665
 666         /* memory location */
 667         __u32                   memory;
 668         union {
 669                 __u32           offset;
 670                 unsigned long   userptr;
 671                 struct v4l2_plane *planes;
 672                 __s32           fd;
 673         } m;
 674         __u32                   length;
 675         __u32                   reserved2;
 676         __u32                   reserved;
 677 };
 678
 679 /*  Flags for 'flags' field */
 680 /* Buffer is mapped (flag) */
 681 #define V4L2_BUF_FLAG_MAPPED                    0x00000001
 682 /* Buffer is queued for processing */
 683 #define V4L2_BUF_FLAG_QUEUED                    0x00000002
 684 /* Buffer is ready */
 685 #define V4L2_BUF_FLAG_DONE                      0x00000004
 686 /* Image is a keyframe (I-frame) */
 687 #define V4L2_BUF_FLAG_KEYFRAME                  0x00000008
 688 /* Image is a P-frame */
 689 #define V4L2_BUF_FLAG_PFRAME                    0x00000010
 690 /* Image is a B-frame */
 691 #define V4L2_BUF_FLAG_BFRAME                    0x00000020
 692 /* Buffer is ready, but the data contained within is corrupted. */
 693 #define V4L2_BUF_FLAG_ERROR                     0x00000040
 694 /* timecode field is valid */
 695 #define V4L2_BUF_FLAG_TIMECODE                  0x00000100
 696 /* Buffer is prepared for queuing */
 697 #define V4L2_BUF_FLAG_PREPARED                  0x00000400
 698 /* Cache handling flags */
 699 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE       0x00000800
 700 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN            0x00001000
 701 /* Timestamp type */
 702 #define V4L2_BUF_FLAG_TIMESTAMP_MASK            0x0000e000
 703 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN         0x00000000
 704 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC       0x00002000
 705 #define V4L2_BUF_FLAG_TIMESTAMP_COPY            0x00004000
 706 /* Timestamp sources. */
 707 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK           0x00070000
 708 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF            0x00000000
 709 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE            0x00010000
 710
 711 /**
 712  * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
 713  *
 714  * @index:      id number of the buffer
 715  * @type:       enum v4l2_buf_type; buffer type (type == *_MPLANE for
 716  *              multiplanar buffers);
 717  * @plane:      index of the plane to be exported, 0 for single plane queues
 718  * @flags:      flags for newly created file, currently only O_CLOEXEC is
 719  *              supported, refer to manual of open syscall for more details
 720  * @fd:         file descriptor associated with DMABUF (set by driver)
 721  *
 722  * Contains data used for exporting a video buffer as DMABUF file descriptor.
 723  * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
 724  * (identical to the cookie used to mmap() the buffer to userspace). All
 725  * reserved fields must be set to zero. The field reserved0 is expected to
 726  * become a structure 'type' allowing an alternative layout of the structure
 727  * content. Therefore this field should not be used for any other extensions.
 728  */
 729 struct v4l2_exportbuffer {
 730         __u32           type; /* enum v4l2_buf_type */
 731         __u32           index;
 732         __u32           plane;
 733         __u32           flags;
 734         __s32           fd;
 735         __u32           reserved[11];
 736 };
 737
 738 /*
 739  *      O V E R L A Y   P R E V I E W
 740  */
 741 struct v4l2_framebuffer {
 742         __u32                   capability;
 743         __u32                   flags;
 744 /* FIXME: in theory we should pass something like PCI device + memory
 745  * region + offset instead of some physical address */
 746         void                    *base;
 747         struct v4l2_pix_format  fmt;
 748 };
 749 /*  Flags for the 'capability' field. Read only */
 750 #define V4L2_FBUF_CAP_EXTERNOVERLAY     0x0001
 751 #define V4L2_FBUF_CAP_CHROMAKEY         0x0002
 752 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
 753 #define V4L2_FBUF_CAP_BITMAP_CLIPPING   0x0008
 754 #define V4L2_FBUF_CAP_LOCAL_ALPHA       0x0010
 755 #define V4L2_FBUF_CAP_GLOBAL_ALPHA      0x0020
 756 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA   0x0040
 757 #define V4L2_FBUF_CAP_SRC_CHROMAKEY     0x0080
 758 /*  Flags for the 'flags' field. */
 759 #define V4L2_FBUF_FLAG_PRIMARY          0x0001
 760 #define V4L2_FBUF_FLAG_OVERLAY          0x0002
 761 #define V4L2_FBUF_FLAG_CHROMAKEY        0x0004
 762 #define V4L2_FBUF_FLAG_LOCAL_ALPHA      0x0008
 763 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA     0x0010
 764 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA  0x0020
 765 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY    0x0040
 766
 767 struct v4l2_clip {
 768         struct v4l2_rect        c;
 769         struct v4l2_clip        __user *next;
 770 };
 771
 772 struct v4l2_window {
 773         struct v4l2_rect        w;
 774         __u32                   field;   /* enum v4l2_field */
 775         __u32                   chromakey;
 776         struct v4l2_clip        __user *clips;
 777         __u32                   clipcount;
 778         void                    __user *bitmap;
 779         __u8                    global_alpha;
 780 };
 781
 782 /*
 783  *      C A P T U R E   P A R A M E T E R S
 784  */
 785 struct v4l2_captureparm {
 786         __u32              capability;    /*  Supported modes */
 787         __u32              capturemode;   /*  Current mode */
 788         struct v4l2_fract  timeperframe;  /*  Time per frame in seconds */
 789         __u32              extendedmode;  /*  Driver-specific extensions */
 790         __u32              readbuffers;   /*  # of buffers for read */
 791         __u32              reserved[4];
 792 };
 793
 794 /*  Flags for 'capability' and 'capturemode' fields */
 795 #define V4L2_MODE_HIGHQUALITY   0x0001  /*  High quality imaging mode */
 796 #define V4L2_CAP_TIMEPERFRAME   0x1000  /*  timeperframe field is supported */
 797
 798 struct v4l2_outputparm {
 799         __u32              capability;   /*  Supported modes */
 800         __u32              outputmode;   /*  Current mode */
 801         struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
 802         __u32              extendedmode; /*  Driver-specific extensions */
 803         __u32              writebuffers; /*  # of buffers for write */
 804         __u32              reserved[4];
 805 };
 806
 807 /*
 808  *      I N P U T   I M A G E   C R O P P I N G
 809  */
 810 struct v4l2_cropcap {
 811         __u32                   type;   /* enum v4l2_buf_type */
 812         struct v4l2_rect        bounds;
 813         struct v4l2_rect        defrect;
 814         struct v4l2_fract       pixelaspect;
 815 };
 816
 817 struct v4l2_crop {
 818         __u32                   type;   /* enum v4l2_buf_type */
 819         struct v4l2_rect        c;
 820 };
 821
 822 /**
 823  * struct v4l2_selection - selection info
 824  * @type:       buffer type (do not use *_MPLANE types)
 825  * @target:     Selection target, used to choose one of possible rectangles;
 826  *              defined in v4l2-common.h; V4L2_SEL_TGT_* .
 827  * @flags:      constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
 828  * @r:          coordinates of selection window
 829  * @reserved:   for future use, rounds structure size to 64 bytes, set to zero
 830  *
 831  * Hardware may use multiple helper windows to process a video stream.
 832  * The structure is used to exchange this selection areas between
 833  * an application and a driver.
 834  */
 835 struct v4l2_selection {
 836         __u32                   type;
 837         __u32                   target;
 838         __u32                   flags;
 839         struct v4l2_rect        r;
 840         __u32                   reserved[9];
 841 };
 842
 843
 844 /*
 845  *      A N A L O G   V I D E O   S T A N D A R D
 846  */
 847
 848 typedef __u64 v4l2_std_id;
 849
 850 /* one bit for each */
 851 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
 852 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
 853 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
 854 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
 855 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
 856 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
 857 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
 858 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
 859
 860 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
 861 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
 862 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
 863 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
 864
 865 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)       /* BTSC */
 866 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)       /* EIA-J */
 867 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
 868 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)       /* FM A2 */
 869
 870 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
 871 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
 872 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
 873 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
 874 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
 875 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
 876 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
 877 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
 878
 879 /* ATSC/HDTV */
 880 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
 881 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
 882
 883 /* FIXME:
 884    Although std_id is 64 bits, there is an issue on PPC32 architecture that
 885    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
 886    this value to 32 bits.
 887    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
 888    it should work fine. However, if needed to add more than two standards,
 889    v4l2-common.c should be fixed.
 890  */
 891
 892 /*
 893  * Some macros to merge video standards in order to make live easier for the
 894  * drivers and V4L2 applications
 895  */
 896
 897 /*
 898  * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
 899  * Missing here.
 900  */
 901 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M        |\
 902                                  V4L2_STD_NTSC_M_JP     |\
 903                                  V4L2_STD_NTSC_M_KR)
 904 /* Secam macros */
 905 #define V4L2_STD_SECAM_DK       (V4L2_STD_SECAM_D       |\
 906                                  V4L2_STD_SECAM_K       |\
 907                                  V4L2_STD_SECAM_K1)
 908 /* All Secam Standards */
 909 #define V4L2_STD_SECAM          (V4L2_STD_SECAM_B       |\
 910                                  V4L2_STD_SECAM_G       |\
 911                                  V4L2_STD_SECAM_H       |\
 912                                  V4L2_STD_SECAM_DK      |\
 913                                  V4L2_STD_SECAM_L       |\
 914                                  V4L2_STD_SECAM_LC)
 915 /* PAL macros */
 916 #define V4L2_STD_PAL_BG         (V4L2_STD_PAL_B         |\
 917                                  V4L2_STD_PAL_B1        |\
 918                                  V4L2_STD_PAL_G)
 919 #define V4L2_STD_PAL_DK         (V4L2_STD_PAL_D         |\
 920                                  V4L2_STD_PAL_D1        |\
 921                                  V4L2_STD_PAL_K)
 922 /*
 923  * "Common" PAL - This macro is there to be compatible with the old
 924  * V4L1 concept of "PAL": /BGDKHI.
 925  * Several PAL standards are missing here: /M, /N and /Nc
 926  */
 927 #define V4L2_STD_PAL            (V4L2_STD_PAL_BG        |\
 928                                  V4L2_STD_PAL_DK        |\
 929                                  V4L2_STD_PAL_H         |\
 930                                  V4L2_STD_PAL_I)
 931 /* Chroma "agnostic" standards */
 932 #define V4L2_STD_B              (V4L2_STD_PAL_B         |\
 933                                  V4L2_STD_PAL_B1        |\
 934                                  V4L2_STD_SECAM_B)
 935 #define V4L2_STD_G              (V4L2_STD_PAL_G         |\
 936                                  V4L2_STD_SECAM_G)
 937 #define V4L2_STD_H              (V4L2_STD_PAL_H         |\
 938                                  V4L2_STD_SECAM_H)
 939 #define V4L2_STD_L              (V4L2_STD_SECAM_L       |\
 940                                  V4L2_STD_SECAM_LC)
 941 #define V4L2_STD_GH             (V4L2_STD_G             |\
 942                                  V4L2_STD_H)
 943 #define V4L2_STD_DK             (V4L2_STD_PAL_DK        |\
 944                                  V4L2_STD_SECAM_DK)
 945 #define V4L2_STD_BG             (V4L2_STD_B             |\
 946                                  V4L2_STD_G)
 947 #define V4L2_STD_MN             (V4L2_STD_PAL_M         |\
 948                                  V4L2_STD_PAL_N         |\
 949                                  V4L2_STD_PAL_Nc        |\
 950                                  V4L2_STD_NTSC)
 951
 952 /* Standards where MTS/BTSC stereo could be found */
 953 #define V4L2_STD_MTS            (V4L2_STD_NTSC_M        |\
 954                                  V4L2_STD_PAL_M         |\
 955                                  V4L2_STD_PAL_N         |\
 956                                  V4L2_STD_PAL_Nc)
 957
 958 /* Standards for Countries with 60Hz Line frequency */
 959 #define V4L2_STD_525_60         (V4L2_STD_PAL_M         |\
 960                                  V4L2_STD_PAL_60        |\
 961                                  V4L2_STD_NTSC          |\
 962                                  V4L2_STD_NTSC_443)
 963 /* Standards for Countries with 50Hz Line frequency */
 964 #define V4L2_STD_625_50         (V4L2_STD_PAL           |\
 965                                  V4L2_STD_PAL_N         |\
 966                                  V4L2_STD_PAL_Nc        |\
 967                                  V4L2_STD_SECAM)
 968
 969 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
 970                                  V4L2_STD_ATSC_16_VSB)
 971 /* Macros with none and all analog standards */
 972 #define V4L2_STD_UNKNOWN        0
 973 #define V4L2_STD_ALL            (V4L2_STD_525_60        |\
 974                                  V4L2_STD_625_50)
 975
 976 struct v4l2_standard {
 977         __u32                index;
 978         v4l2_std_id          id;
 979         __u8                 name[24];
 980         struct v4l2_fract    frameperiod; /* Frames, not fields */
 981         __u32                framelines;
 982         __u32                reserved[4];
 983 };
 984
 985 /*
 986  *      D V     B T     T I M I N G S
 987  */
 988
 989 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
 990  * @width:      total width of the active video in pixels
 991  * @height:     total height of the active video in lines
 992  * @interlaced: Interlaced or progressive
 993  * @polarities: Positive or negative polarities
 994  * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
 995  * @hfrontporch:Horizontal front porch in pixels
 996  * @hsync:      Horizontal Sync length in pixels
 997  * @hbackporch: Horizontal back porch in pixels
 998  * @vfrontporch:Vertical front porch in lines
 999  * @vsync:      Vertical Sync length in lines
1000  * @vbackporch: Vertical back porch in lines
1001  * @il_vfrontporch:Vertical front porch for the even field
1002  *              (aka field 2) of interlaced field formats
1003  * @il_vsync:   Vertical Sync length for the even field
1004  *              (aka field 2) of interlaced field formats
1005  * @il_vbackporch:Vertical back porch for the even field
1006  *              (aka field 2) of interlaced field formats
1007  * @standards:  Standards the timing belongs to
1008  * @flags:      Flags
1009  * @reserved:   Reserved fields, must be zeroed.
1010  *
1011  * A note regarding vertical interlaced timings: height refers to the total
1012  * height of the active video frame (= two fields). The blanking timings refer
1013  * to the blanking of each field. So the height of the total frame is
1014  * calculated as follows:
1015  *
1016  * tot_height = height + vfrontporch + vsync + vbackporch +
1017  *                       il_vfrontporch + il_vsync + il_vbackporch
1018  *
1019  * The active height of each field is height / 2.
1020  */
1021 struct v4l2_bt_timings {
1022         __u32   width;
1023         __u32   height;
1024         __u32   interlaced;
1025         __u32   polarities;
1026         __u64   pixelclock;
1027         __u32   hfrontporch;
1028         __u32   hsync;
1029         __u32   hbackporch;
1030         __u32   vfrontporch;
1031         __u32   vsync;
1032         __u32   vbackporch;
1033         __u32   il_vfrontporch;
1034         __u32   il_vsync;
1035         __u32   il_vbackporch;
1036         __u32   standards;
1037         __u32   flags;
1038         __u32   reserved[14];
1039 } __attribute__ ((packed));
1040
1041 /* Interlaced or progressive format */
1042 #define V4L2_DV_PROGRESSIVE     0
1043 #define V4L2_DV_INTERLACED      1
1044
1045 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1046 #define V4L2_DV_VSYNC_POS_POL   0x00000001
1047 #define V4L2_DV_HSYNC_POS_POL   0x00000002
1048
1049 /* Timings standards */
1050 #define V4L2_DV_BT_STD_CEA861   (1 << 0)  /* CEA-861 Digital TV Profile */
1051 #define V4L2_DV_BT_STD_DMT      (1 << 1)  /* VESA Discrete Monitor Timings */
1052 #define V4L2_DV_BT_STD_CVT      (1 << 2)  /* VESA Coordinated Video Timings */
1053 #define V4L2_DV_BT_STD_GTF      (1 << 3)  /* VESA Generalized Timings Formula */
1054
1055 /* Flags */
1056
1057 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1058    GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1059    intervals are reduced, allowing a higher resolution over the same
1060    bandwidth. This is a read-only flag. */
1061 #define V4L2_DV_FL_REDUCED_BLANKING             (1 << 0)
1062 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1063    of six. These formats can be optionally played at 1 / 1.001 speed.
1064    This is a read-only flag. */
1065 #define V4L2_DV_FL_CAN_REDUCE_FPS               (1 << 1)
1066 /* CEA-861 specific: only valid for video transmitters, the flag is cleared
1067    by receivers.
1068    If the framerate of the format is a multiple of six, then the pixelclock
1069    used to set up the transmitter is divided by 1.001 to make it compatible
1070    with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1071    29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1072    such frequencies, then the flag will also be cleared. */
1073 #define V4L2_DV_FL_REDUCED_FPS                  (1 << 2)
1074 /* Specific to interlaced formats: if set, then field 1 is really one half-line
1075    longer and field 2 is really one half-line shorter, so each field has
1076    exactly the same number of half-lines. Whether half-lines can be detected
1077    or used depends on the hardware. */
1078 #define V4L2_DV_FL_HALF_LINE                    (1 << 3)
1079
1080 /* A few useful defines to calculate the total blanking and frame sizes */
1081 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1082         ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1083 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1084         ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1085 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1086         ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1087          (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1088 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1089         ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1090
1091 /** struct v4l2_dv_timings - DV timings
1092  * @type:       the type of the timings
1093  * @bt: BT656/1120 timings
1094  */
1095 struct v4l2_dv_timings {
1096         __u32 type;
1097         union {
1098                 struct v4l2_bt_timings  bt;
1099                 __u32   reserved[32];
1100         };
1101 } __attribute__ ((packed));
1102
1103 /* Values for the type field */
1104 #define V4L2_DV_BT_656_1120     0       /* BT.656/1120 timing type */
1105
1106
1107 /** struct v4l2_enum_dv_timings - DV timings enumeration
1108  * @index:      enumeration index
1109  * @pad:        the pad number for which to enumerate timings (used with
1110  *              v4l-subdev nodes only)
1111  * @reserved:   must be zeroed
1112  * @timings:    the timings for the given index
1113  */
1114 struct v4l2_enum_dv_timings {
1115         __u32 index;
1116         __u32 pad;
1117         __u32 reserved[2];
1118         struct v4l2_dv_timings timings;
1119 };
1120
1121 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1122  * @min_width:          width in pixels
1123  * @max_width:          width in pixels
1124  * @min_height:         height in lines
1125  * @max_height:         height in lines
1126  * @min_pixelclock:     Pixel clock in HZ. Ex. 74.25MHz->74250000
1127  * @max_pixelclock:     Pixel clock in HZ. Ex. 74.25MHz->74250000
1128  * @standards:          Supported standards
1129  * @capabilities:       Supported capabilities
1130  * @reserved:           Must be zeroed
1131  */
1132 struct v4l2_bt_timings_cap {
1133         __u32   min_width;
1134         __u32   max_width;
1135         __u32   min_height;
1136         __u32   max_height;
1137         __u64   min_pixelclock;
1138         __u64   max_pixelclock;
1139         __u32   standards;
1140         __u32   capabilities;
1141         __u32   reserved[16];
1142 } __attribute__ ((packed));
1143
1144 /* Supports interlaced formats */
1145 #define V4L2_DV_BT_CAP_INTERLACED       (1 << 0)
1146 /* Supports progressive formats */
1147 #define V4L2_DV_BT_CAP_PROGRESSIVE      (1 << 1)
1148 /* Supports CVT/GTF reduced blanking */
1149 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1150 /* Supports custom formats */
1151 #define V4L2_DV_BT_CAP_CUSTOM           (1 << 3)
1152
1153 /** struct v4l2_dv_timings_cap - DV timings capabilities
1154  * @type:       the type of the timings (same as in struct v4l2_dv_timings)
1155  * @pad:        the pad number for which to query capabilities (used with
1156  *              v4l-subdev nodes only)
1157  * @bt:         the BT656/1120 timings capabilities
1158  */
1159 struct v4l2_dv_timings_cap {
1160         __u32 type;
1161         __u32 pad;
1162         __u32 reserved[2];
1163         union {
1164                 struct v4l2_bt_timings_cap bt;
1165                 __u32 raw_data[32];
1166         };
1167 };
1168
1169
1170 /*
1171  *      V I D E O   I N P U T S
1172  */
1173 struct v4l2_input {
1174         __u32        index;             /*  Which input */
1175         __u8         name[32];          /*  Label */
1176         __u32        type;              /*  Type of input */
1177         __u32        audioset;          /*  Associated audios (bitfield) */
1178         __u32        tuner;             /*  enum v4l2_tuner_type */
1179         v4l2_std_id  std;
1180         __u32        status;
1181         __u32        capabilities;
1182         __u32        reserved[3];
1183 };
1184
1185 /*  Values for the 'type' field */
1186 #define V4L2_INPUT_TYPE_TUNER           1
1187 #define V4L2_INPUT_TYPE_CAMERA          2
1188
1189 /* field 'status' - general */
1190 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
1191 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
1192 #define V4L2_IN_ST_NO_COLOR    0x00000004
1193
1194 /* field 'status' - sensor orientation */
1195 /* If sensor is mounted upside down set both bits */
1196 #define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
1197 #define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
1198
1199 /* field 'status' - analog */
1200 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
1201 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
1202
1203 /* field 'status' - digital */
1204 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
1205 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
1206 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
1207
1208 /* field 'status' - VCR and set-top box */
1209 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
1210 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
1211 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
1212
1213 /* capabilities flags */
1214 #define V4L2_IN_CAP_DV_TIMINGS          0x00000002 /* Supports S_DV_TIMINGS */
1215 #define V4L2_IN_CAP_CUSTOM_TIMINGS      V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1216 #define V4L2_IN_CAP_STD                 0x00000004 /* Supports S_STD */
1217
1218 /*
1219  *      V I D E O   O U T P U T S
1220  */
1221 struct v4l2_output {
1222         __u32        index;             /*  Which output */
1223         __u8         name[32];          /*  Label */
1224         __u32        type;              /*  Type of output */
1225         __u32        audioset;          /*  Associated audios (bitfield) */
1226         __u32        modulator;         /*  Associated modulator */
1227         v4l2_std_id  std;
1228         __u32        capabilities;
1229         __u32        reserved[3];
1230 };
1231 /*  Values for the 'type' field */
1232 #define V4L2_OUTPUT_TYPE_MODULATOR              1
1233 #define V4L2_OUTPUT_TYPE_ANALOG                 2
1234 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY       3
1235
1236 /* capabilities flags */
1237 #define V4L2_OUT_CAP_DV_TIMINGS         0x00000002 /* Supports S_DV_TIMINGS */
1238 #define V4L2_OUT_CAP_CUSTOM_TIMINGS     V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1239 #define V4L2_OUT_CAP_STD                0x00000004 /* Supports S_STD */
1240
1241 /*
1242  *      C O N T R O L S
1243  */
1244 struct v4l2_control {
1245         __u32                id;
1246         __s32                value;
1247 };
1248
1249 struct v4l2_ext_control {
1250         __u32 id;
1251         __u32 size;
1252         __u32 reserved2[1];
1253         union {
1254                 __s32 value;
1255                 __s64 value64;
1256                 char *string;
1257         };
1258 } __attribute__ ((packed));
1259
1260 struct v4l2_ext_controls {
1261         __u32 ctrl_class;
1262         __u32 count;
1263         __u32 error_idx;
1264         __u32 reserved[2];
1265         struct v4l2_ext_control *controls;
1266 };
1267
1268 #define V4L2_CTRL_ID_MASK         (0x0fffffff)
1269 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
1270 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1271
1272 enum v4l2_ctrl_type {
1273         V4L2_CTRL_TYPE_INTEGER       = 1,
1274         V4L2_CTRL_TYPE_BOOLEAN       = 2,
1275         V4L2_CTRL_TYPE_MENU          = 3,
1276         V4L2_CTRL_TYPE_BUTTON        = 4,
1277         V4L2_CTRL_TYPE_INTEGER64     = 5,
1278         V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
1279         V4L2_CTRL_TYPE_STRING        = 7,
1280         V4L2_CTRL_TYPE_BITMASK       = 8,
1281         V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1282 };
1283
1284 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1285 struct v4l2_queryctrl {
1286         __u32                id;
1287         __u32                type;      /* enum v4l2_ctrl_type */
1288         __u8                 name[32];  /* Whatever */
1289         __s32                minimum;   /* Note signedness */
1290         __s32                maximum;
1291         __s32                step;
1292         __s32                default_value;
1293         __u32                flags;
1294         __u32                reserved[2];
1295 };
1296
1297 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1298 struct v4l2_querymenu {
1299         __u32           id;
1300         __u32           index;
1301         union {
1302                 __u8    name[32];       /* Whatever */
1303                 __s64   value;
1304         };
1305         __u32           reserved;
1306 } __attribute__ ((packed));
1307
1308 /*  Control flags  */
1309 #define V4L2_CTRL_FLAG_DISABLED         0x0001
1310 #define V4L2_CTRL_FLAG_GRABBED          0x0002
1311 #define V4L2_CTRL_FLAG_READ_ONLY        0x0004
1312 #define V4L2_CTRL_FLAG_UPDATE           0x0008
1313 #define V4L2_CTRL_FLAG_INACTIVE         0x0010
1314 #define V4L2_CTRL_FLAG_SLIDER           0x0020
1315 #define V4L2_CTRL_FLAG_WRITE_ONLY       0x0040
1316 #define V4L2_CTRL_FLAG_VOLATILE         0x0080
1317
1318 /*  Query flag, to be ORed with the control ID */
1319 #define V4L2_CTRL_FLAG_NEXT_CTRL        0x80000000
1320
1321 /*  User-class control IDs defined by V4L2 */
1322 #define V4L2_CID_MAX_CTRLS              1024
1323 /*  IDs reserved for driver specific controls */
1324 #define V4L2_CID_PRIVATE_BASE           0x08000000
1325
1326
1327 /*
1328  *      T U N I N G
1329  */
1330 struct v4l2_tuner {
1331         __u32                   index;
1332         __u8                    name[32];
1333         __u32                   type;   /* enum v4l2_tuner_type */
1334         __u32                   capability;
1335         __u32                   rangelow;
1336         __u32                   rangehigh;
1337         __u32                   rxsubchans;
1338         __u32                   audmode;
1339         __s32                   signal;
1340         __s32                   afc;
1341         __u32                   reserved[4];
1342 };
1343
1344 struct v4l2_modulator {
1345         __u32                   index;
1346         __u8                    name[32];
1347         __u32                   capability;
1348         __u32                   rangelow;
1349         __u32                   rangehigh;
1350         __u32                   txsubchans;
1351         __u32                   reserved[4];
1352 };
1353
1354 /*  Flags for the 'capability' field */
1355 #define V4L2_TUNER_CAP_LOW              0x0001
1356 #define V4L2_TUNER_CAP_NORM             0x0002
1357 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED   0x0004
1358 #define V4L2_TUNER_CAP_HWSEEK_WRAP      0x0008
1359 #define V4L2_TUNER_CAP_STEREO           0x0010
1360 #define V4L2_TUNER_CAP_LANG2            0x0020
1361 #define V4L2_TUNER_CAP_SAP              0x0020
1362 #define V4L2_TUNER_CAP_LANG1            0x0040
1363 #define V4L2_TUNER_CAP_RDS              0x0080
1364 #define V4L2_TUNER_CAP_RDS_BLOCK_IO     0x0100
1365 #define V4L2_TUNER_CAP_RDS_CONTROLS     0x0200
1366 #define V4L2_TUNER_CAP_FREQ_BANDS       0x0400
1367 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM  0x0800
1368 #define V4L2_TUNER_CAP_1HZ              0x1000
1369
1370 /*  Flags for the 'rxsubchans' field */
1371 #define V4L2_TUNER_SUB_MONO             0x0001
1372 #define V4L2_TUNER_SUB_STEREO           0x0002
1373 #define V4L2_TUNER_SUB_LANG2            0x0004
1374 #define V4L2_TUNER_SUB_SAP              0x0004
1375 #define V4L2_TUNER_SUB_LANG1            0x0008
1376 #define V4L2_TUNER_SUB_RDS              0x0010
1377
1378 /*  Values for the 'audmode' field */
1379 #define V4L2_TUNER_MODE_MONO            0x0000
1380 #define V4L2_TUNER_MODE_STEREO          0x0001
1381 #define V4L2_TUNER_MODE_LANG2           0x0002
1382 #define V4L2_TUNER_MODE_SAP             0x0002
1383 #define V4L2_TUNER_MODE_LANG1           0x0003
1384 #define V4L2_TUNER_MODE_LANG1_LANG2     0x0004
1385
1386 struct v4l2_frequency {
1387         __u32   tuner;
1388         __u32   type;   /* enum v4l2_tuner_type */
1389         __u32   frequency;
1390         __u32   reserved[8];
1391 };
1392
1393 #define V4L2_BAND_MODULATION_VSB        (1 << 1)
1394 #define V4L2_BAND_MODULATION_FM         (1 << 2)
1395 #define V4L2_BAND_MODULATION_AM         (1 << 3)
1396
1397 struct v4l2_frequency_band {
1398         __u32   tuner;
1399         __u32   type;   /* enum v4l2_tuner_type */
1400         __u32   index;
1401         __u32   capability;
1402         __u32   rangelow;
1403         __u32   rangehigh;
1404         __u32   modulation;
1405         __u32   reserved[9];
1406 };
1407
1408 struct v4l2_hw_freq_seek {
1409         __u32   tuner;
1410         __u32   type;   /* enum v4l2_tuner_type */
1411         __u32   seek_upward;
1412         __u32   wrap_around;
1413         __u32   spacing;
1414         __u32   rangelow;
1415         __u32   rangehigh;
1416         __u32   reserved[5];
1417 };
1418
1419 /*
1420  *      R D S
1421  */
1422
1423 struct v4l2_rds_data {
1424         __u8    lsb;
1425         __u8    msb;
1426         __u8    block;
1427 } __attribute__ ((packed));
1428
1429 #define V4L2_RDS_BLOCK_MSK       0x7
1430 #define V4L2_RDS_BLOCK_A         0
1431 #define V4L2_RDS_BLOCK_B         1
1432 #define V4L2_RDS_BLOCK_C         2
1433 #define V4L2_RDS_BLOCK_D         3
1434 #define V4L2_RDS_BLOCK_C_ALT     4
1435 #define V4L2_RDS_BLOCK_INVALID   7
1436
1437 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1438 #define V4L2_RDS_BLOCK_ERROR     0x80
1439
1440 /*
1441  *      A U D I O
1442  */
1443 struct v4l2_audio {
1444         __u32   index;
1445         __u8    name[32];
1446         __u32   capability;
1447         __u32   mode;
1448         __u32   reserved[2];
1449 };
1450
1451 /*  Flags for the 'capability' field */
1452 #define V4L2_AUDCAP_STEREO              0x00001
1453 #define V4L2_AUDCAP_AVL                 0x00002
1454
1455 /*  Flags for the 'mode' field */
1456 #define V4L2_AUDMODE_AVL                0x00001
1457
1458 struct v4l2_audioout {
1459         __u32   index;
1460         __u8    name[32];
1461         __u32   capability;
1462         __u32   mode;
1463         __u32   reserved[2];
1464 };
1465
1466 /*
1467  *      M P E G   S E R V I C E S
1468  *
1469  *      NOTE: EXPERIMENTAL API
1470  */
1471 #if 1
1472 #define V4L2_ENC_IDX_FRAME_I    (0)
1473 #define V4L2_ENC_IDX_FRAME_P    (1)
1474 #define V4L2_ENC_IDX_FRAME_B    (2)
1475 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1476
1477 struct v4l2_enc_idx_entry {
1478         __u64 offset;
1479         __u64 pts;
1480         __u32 length;
1481         __u32 flags;
1482         __u32 reserved[2];
1483 };
1484
1485 #define V4L2_ENC_IDX_ENTRIES (64)
1486 struct v4l2_enc_idx {
1487         __u32 entries;
1488         __u32 entries_cap;
1489         __u32 reserved[4];
1490         struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1491 };
1492
1493
1494 #define V4L2_ENC_CMD_START      (0)
1495 #define V4L2_ENC_CMD_STOP       (1)
1496 #define V4L2_ENC_CMD_PAUSE      (2)
1497 #define V4L2_ENC_CMD_RESUME     (3)
1498
1499 /* Flags for V4L2_ENC_CMD_STOP */
1500 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
1501
1502 struct v4l2_encoder_cmd {
1503         __u32 cmd;
1504         __u32 flags;
1505         union {
1506                 struct {
1507                         __u32 data[8];
1508                 } raw;
1509         };
1510 };
1511
1512 /* Decoder commands */
1513 #define V4L2_DEC_CMD_START       (0)
1514 #define V4L2_DEC_CMD_STOP        (1)
1515 #define V4L2_DEC_CMD_PAUSE       (2)
1516 #define V4L2_DEC_CMD_RESUME      (3)
1517
1518 /* Flags for V4L2_DEC_CMD_START */
1519 #define V4L2_DEC_CMD_START_MUTE_AUDIO   (1 << 0)
1520
1521 /* Flags for V4L2_DEC_CMD_PAUSE */
1522 #define V4L2_DEC_CMD_PAUSE_TO_BLACK     (1 << 0)
1523
1524 /* Flags for V4L2_DEC_CMD_STOP */
1525 #define V4L2_DEC_CMD_STOP_TO_BLACK      (1 << 0)
1526 #define V4L2_DEC_CMD_STOP_IMMEDIATELY   (1 << 1)
1527
1528 /* Play format requirements (returned by the driver): */
1529
1530 /* The decoder has no special format requirements */
1531 #define V4L2_DEC_START_FMT_NONE         (0)
1532 /* The decoder requires full GOPs */
1533 #define V4L2_DEC_START_FMT_GOP          (1)
1534
1535 /* The structure must be zeroed before use by the application
1536    This ensures it can be extended safely in the future. */
1537 struct v4l2_decoder_cmd {
1538         __u32 cmd;
1539         __u32 flags;
1540         union {
1541                 struct {
1542                         __u64 pts;
1543                 } stop;
1544
1545                 struct {
1546                         /* 0 or 1000 specifies normal speed,
1547                            1 specifies forward single stepping,
1548                            -1 specifies backward single stepping,
1549                            >1: playback at speed/1000 of the normal speed,
1550                            <-1: reverse playback at (-speed/1000) of the normal speed. */
1551                         __s32 speed;
1552                         __u32 format;
1553                 } start;
1554
1555                 struct {
1556                         __u32 data[16];
1557                 } raw;
1558         };
1559 };
1560 #endif
1561
1562
1563 /*
1564  *      D A T A   S E R V I C E S   ( V B I )
1565  *
1566  *      Data services API by Michael Schimek
1567  */
1568
1569 /* Raw VBI */
1570 struct v4l2_vbi_format {
1571         __u32   sampling_rate;          /* in 1 Hz */
1572         __u32   offset;
1573         __u32   samples_per_line;
1574         __u32   sample_format;          /* V4L2_PIX_FMT_* */
1575         __s32   start[2];
1576         __u32   count[2];
1577         __u32   flags;                  /* V4L2_VBI_* */
1578         __u32   reserved[2];            /* must be zero */
1579 };
1580
1581 /*  VBI flags  */
1582 #define V4L2_VBI_UNSYNC         (1 << 0)
1583 #define V4L2_VBI_INTERLACED     (1 << 1)
1584
1585 /* Sliced VBI
1586  *
1587  *    This implements is a proposal V4L2 API to allow SLICED VBI
1588  * required for some hardware encoders. It should change without
1589  * notice in the definitive implementation.
1590  */
1591
1592 struct v4l2_sliced_vbi_format {
1593         __u16   service_set;
1594         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1595            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1596                                  (equals frame lines 313-336 for 625 line video
1597                                   standards, 263-286 for 525 line standards) */
1598         __u16   service_lines[2][24];
1599         __u32   io_size;
1600         __u32   reserved[2];            /* must be zero */
1601 };
1602
1603 /* Teletext World System Teletext
1604    (WST), defined on ITU-R BT.653-2 */
1605 #define V4L2_SLICED_TELETEXT_B          (0x0001)
1606 /* Video Program System, defined on ETS 300 231*/
1607 #define V4L2_SLICED_VPS                 (0x0400)
1608 /* Closed Caption, defined on EIA-608 */
1609 #define V4L2_SLICED_CAPTION_525         (0x1000)
1610 /* Wide Screen System, defined on ITU-R BT1119.1 */
1611 #define V4L2_SLICED_WSS_625             (0x4000)
1612
1613 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
1614 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1615
1616 struct v4l2_sliced_vbi_cap {
1617         __u16   service_set;
1618         /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1619            service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1620                                  (equals frame lines 313-336 for 625 line video
1621                                   standards, 263-286 for 525 line standards) */
1622         __u16   service_lines[2][24];
1623         __u32   type;           /* enum v4l2_buf_type */
1624         __u32   reserved[3];    /* must be 0 */
1625 };
1626
1627 struct v4l2_sliced_vbi_data {
1628         __u32   id;
1629         __u32   field;          /* 0: first field, 1: second field */
1630         __u32   line;           /* 1-23 */
1631         __u32   reserved;       /* must be 0 */
1632         __u8    data[48];
1633 };
1634
1635 /*
1636  * Sliced VBI data inserted into MPEG Streams
1637  */
1638
1639 /*
1640  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1641  *
1642  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1643  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1644  * data
1645  *
1646  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1647  * definitions are not included here.  See the MPEG-2 specifications for details
1648  * on these headers.
1649  */
1650
1651 /* Line type IDs */
1652 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
1653 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
1654 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
1655 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
1656
1657 struct v4l2_mpeg_vbi_itv0_line {
1658         __u8 id;        /* One of V4L2_MPEG_VBI_IVTV_* above */
1659         __u8 data[42];  /* Sliced VBI data for the line */
1660 } __attribute__ ((packed));
1661
1662 struct v4l2_mpeg_vbi_itv0 {
1663         __le32 linemask[2]; /* Bitmasks of VBI service lines present */
1664         struct v4l2_mpeg_vbi_itv0_line line[35];
1665 } __attribute__ ((packed));
1666
1667 struct v4l2_mpeg_vbi_ITV0 {
1668         struct v4l2_mpeg_vbi_itv0_line line[36];
1669 } __attribute__ ((packed));
1670
1671 #define V4L2_MPEG_VBI_IVTV_MAGIC0       "itv0"
1672 #define V4L2_MPEG_VBI_IVTV_MAGIC1       "ITV0"
1673
1674 struct v4l2_mpeg_vbi_fmt_ivtv {
1675         __u8 magic[4];
1676         union {
1677                 struct v4l2_mpeg_vbi_itv0 itv0;
1678                 struct v4l2_mpeg_vbi_ITV0 ITV0;
1679         };
1680 } __attribute__ ((packed));
1681
1682 /*
1683  *      A G G R E G A T E   S T R U C T U R E S
1684  */
1685
1686 /**
1687  * struct v4l2_plane_pix_format - additional, per-plane format definition
1688  * @sizeimage:          maximum size in bytes required for data, for which
1689  *                      this plane will be used
1690  * @bytesperline:       distance in bytes between the leftmost pixels in two
1691  *                      adjacent lines
1692  */
1693 struct v4l2_plane_pix_format {
1694         __u32           sizeimage;
1695         __u16           bytesperline;
1696         __u16           reserved[7];
1697 } __attribute__ ((packed));
1698
1699 /**
1700  * struct v4l2_pix_format_mplane - multiplanar format definition
1701  * @width:              image width in pixels
1702  * @height:             image height in pixels
1703  * @pixelformat:        little endian four character code (fourcc)
1704  * @field:              enum v4l2_field; field order (for interlaced video)
1705  * @colorspace:         enum v4l2_colorspace; supplemental to pixelformat
1706  * @plane_fmt:          per-plane information
1707  * @num_planes:         number of planes for this format
1708  */
1709 struct v4l2_pix_format_mplane {
1710         __u32                           width;
1711         __u32                           height;
1712         __u32                           pixelformat;
1713         __u32                           field;
1714         __u32                           colorspace;
1715
1716         struct v4l2_plane_pix_format    plane_fmt[VIDEO_MAX_PLANES];
1717         __u8                            num_planes;
1718         __u8                            reserved[11];
1719 } __attribute__ ((packed));
1720
1721 /**
1722  * struct v4l2_sdr_format - SDR format definition
1723  * @pixelformat:        little endian four character code (fourcc)
1724  */
1725 struct v4l2_sdr_format {
1726         __u32                           pixelformat;
1727         __u8                            reserved[28];
1728 } __attribute__ ((packed));
1729
1730 /**
1731  * struct v4l2_format - stream data format
1732  * @type:       enum v4l2_buf_type; type of the data stream
1733  * @pix:        definition of an image format
1734  * @pix_mp:     definition of a multiplanar image format
1735  * @win:        definition of an overlaid image
1736  * @vbi:        raw VBI capture or output parameters
1737  * @sliced:     sliced VBI capture or output parameters
1738  * @raw_data:   placeholder for future extensions and custom formats
1739  */
1740 struct v4l2_format {
1741         __u32    type;
1742         union {
1743                 struct v4l2_pix_format          pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
1744                 struct v4l2_pix_format_mplane   pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
1745                 struct v4l2_window              win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
1746                 struct v4l2_vbi_format          vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
1747                 struct v4l2_sliced_vbi_format   sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
1748                 struct v4l2_sdr_format          sdr;     /* V4L2_BUF_TYPE_SDR_CAPTURE */
1749                 __u8    raw_data[200];                   /* user-defined */
1750         } fmt;
1751 };
1752
1753 /*      Stream type-dependent parameters
1754  */
1755 struct v4l2_streamparm {
1756         __u32    type;                  /* enum v4l2_buf_type */
1757         union {
1758                 struct v4l2_captureparm capture;
1759                 struct v4l2_outputparm  output;
1760                 __u8    raw_data[200];  /* user-defined */
1761         } parm;
1762 };
1763
1764 /*
1765  *      E V E N T S
1766  */
1767
1768 #define V4L2_EVENT_ALL                          0
1769 #define V4L2_EVENT_VSYNC                        1
1770 #define V4L2_EVENT_EOS                          2
1771 #define V4L2_EVENT_CTRL                         3
1772 #define V4L2_EVENT_FRAME_SYNC                   4
1773 #define V4L2_EVENT_SOURCE_CHANGE                5
1774 #define V4L2_EVENT_PRIVATE_START                0x08000000
1775
1776 /* Payload for V4L2_EVENT_VSYNC */
1777 struct v4l2_event_vsync {
1778         /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
1779         __u8 field;
1780 } __attribute__ ((packed));
1781
1782 /* Payload for V4L2_EVENT_CTRL */
1783 #define V4L2_EVENT_CTRL_CH_VALUE                (1 << 0)
1784 #define V4L2_EVENT_CTRL_CH_FLAGS                (1 << 1)
1785 #define V4L2_EVENT_CTRL_CH_RANGE                (1 << 2)
1786
1787 struct v4l2_event_ctrl {
1788         __u32 changes;
1789         __u32 type;
1790         union {
1791                 __s32 value;
1792                 __s64 value64;
1793         };
1794         __u32 flags;
1795         __s32 minimum;
1796         __s32 maximum;
1797         __s32 step;
1798         __s32 default_value;
1799 };
1800
1801 struct v4l2_event_frame_sync {
1802         __u32 frame_sequence;
1803 };
1804
1805 #define V4L2_EVENT_SRC_CH_RESOLUTION            (1 << 0)
1806
1807 struct v4l2_event_src_change {
1808         __u32 changes;
1809 };
1810
1811 struct v4l2_event {
1812         __u32                           type;
1813         union {
1814                 struct v4l2_event_vsync         vsync;
1815                 struct v4l2_event_ctrl          ctrl;
1816                 struct v4l2_event_frame_sync    frame_sync;
1817                 struct v4l2_event_src_change    src_change;
1818                 __u8                            data[64];
1819         } u;
1820         __u32                           pending;
1821         __u32                           sequence;
1822         struct timespec                 timestamp;
1823         __u32                           id;
1824         __u32                           reserved[8];
1825 };
1826
1827 #define V4L2_EVENT_SUB_FL_SEND_INITIAL          (1 << 0)
1828 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK        (1 << 1)
1829
1830 struct v4l2_event_subscription {
1831         __u32                           type;
1832         __u32                           id;
1833         __u32                           flags;
1834         __u32                           reserved[5];
1835 };
1836
1837 /*
1838  *      A D V A N C E D   D E B U G G I N G
1839  *
1840  *      NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
1841  *      FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
1842  */
1843
1844 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
1845
1846 #define V4L2_CHIP_MATCH_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
1847 #define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
1848
1849 /* The following four defines are no longer in use */
1850 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
1851 #define V4L2_CHIP_MATCH_I2C_DRIVER  1  /* Match against I2C driver name */
1852 #define V4L2_CHIP_MATCH_I2C_ADDR    2  /* Match against I2C 7-bit address */
1853 #define V4L2_CHIP_MATCH_AC97        3  /* Match against ancillary AC97 chip */
1854
1855 struct v4l2_dbg_match {
1856         __u32 type; /* Match type */
1857         union {     /* Match this chip, meaning determined by type */
1858                 __u32 addr;
1859                 char name[32];
1860         };
1861 } __attribute__ ((packed));
1862
1863 struct v4l2_dbg_register {
1864         struct v4l2_dbg_match match;
1865         __u32 size;     /* register size in bytes */
1866         __u64 reg;
1867         __u64 val;
1868 } __attribute__ ((packed));
1869
1870 #define V4L2_CHIP_FL_READABLE (1 << 0)
1871 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
1872
1873 /* VIDIOC_DBG_G_CHIP_INFO */
1874 struct v4l2_dbg_chip_info {
1875         struct v4l2_dbg_match match;
1876         char name[32];
1877         __u32 flags;
1878         __u32 reserved[32];
1879 } __attribute__ ((packed));
1880
1881 /**
1882  * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
1883  * @index:      on return, index of the first created buffer
1884  * @count:      entry: number of requested buffers,
1885  *              return: number of created buffers
1886  * @memory:     enum v4l2_memory; buffer memory type
1887  * @format:     frame format, for which buffers are requested
1888  * @reserved:   future extensions
1889  */
1890 struct v4l2_create_buffers {
1891         __u32                   index;
1892         __u32                   count;
1893         __u32                   memory;
1894         struct v4l2_format      format;
1895         __u32                   reserved[8];
1896 };
1897
1898 /*
1899  *      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
1900  *
1901  */
1902 #define VIDIOC_QUERYCAP          _IOR('V',  0, struct v4l2_capability)
1903 #define VIDIOC_RESERVED           _IO('V',  1)
1904 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
1905 #define VIDIOC_G_FMT            _IOWR('V',  4, struct v4l2_format)
1906 #define VIDIOC_S_FMT            _IOWR('V',  5, struct v4l2_format)
1907 #define VIDIOC_REQBUFS          _IOWR('V',  8, struct v4l2_requestbuffers)
1908 #define VIDIOC_QUERYBUF         _IOWR('V',  9, struct v4l2_buffer)
1909 #define VIDIOC_G_FBUF            _IOR('V', 10, struct v4l2_framebuffer)
1910 #define VIDIOC_S_FBUF            _IOW('V', 11, struct v4l2_framebuffer)
1911 #define VIDIOC_OVERLAY           _IOW('V', 14, int)
1912 #define VIDIOC_QBUF             _IOWR('V', 15, struct v4l2_buffer)
1913 #define VIDIOC_EXPBUF           _IOWR('V', 16, struct v4l2_exportbuffer)
1914 #define VIDIOC_DQBUF            _IOWR('V', 17, struct v4l2_buffer)
1915 #define VIDIOC_STREAMON          _IOW('V', 18, int)
1916 #define VIDIOC_STREAMOFF         _IOW('V', 19, int)
1917 #define VIDIOC_G_PARM           _IOWR('V', 21, struct v4l2_streamparm)
1918 #define VIDIOC_S_PARM           _IOWR('V', 22, struct v4l2_streamparm)
1919 #define VIDIOC_G_STD             _IOR('V', 23, v4l2_std_id)
1920 #define VIDIOC_S_STD             _IOW('V', 24, v4l2_std_id)
1921 #define VIDIOC_ENUMSTD          _IOWR('V', 25, struct v4l2_standard)
1922 #define VIDIOC_ENUMINPUT        _IOWR('V', 26, struct v4l2_input)
1923 #define VIDIOC_G_CTRL           _IOWR('V', 27, struct v4l2_control)
1924 #define VIDIOC_S_CTRL           _IOWR('V', 28, struct v4l2_control)
1925 #define VIDIOC_G_TUNER          _IOWR('V', 29, struct v4l2_tuner)
1926 #define VIDIOC_S_TUNER           _IOW('V', 30, struct v4l2_tuner)
1927 #define VIDIOC_G_AUDIO           _IOR('V', 33, struct v4l2_audio)
1928 #define VIDIOC_S_AUDIO           _IOW('V', 34, struct v4l2_audio)
1929 #define VIDIOC_QUERYCTRL        _IOWR('V', 36, struct v4l2_queryctrl)
1930 #define VIDIOC_QUERYMENU        _IOWR('V', 37, struct v4l2_querymenu)
1931 #define VIDIOC_G_INPUT           _IOR('V', 38, int)
1932 #define VIDIOC_S_INPUT          _IOWR('V', 39, int)
1933 #define VIDIOC_G_EDID           _IOWR('V', 40, struct v4l2_edid)
1934 #define VIDIOC_S_EDID           _IOWR('V', 41, struct v4l2_edid)
1935 #define VIDIOC_G_OUTPUT          _IOR('V', 46, int)
1936 #define VIDIOC_S_OUTPUT         _IOWR('V', 47, int)
1937 #define VIDIOC_ENUMOUTPUT       _IOWR('V', 48, struct v4l2_output)
1938 #define VIDIOC_G_AUDOUT          _IOR('V', 49, struct v4l2_audioout)
1939 #define VIDIOC_S_AUDOUT          _IOW('V', 50, struct v4l2_audioout)
1940 #define VIDIOC_G_MODULATOR      _IOWR('V', 54, struct v4l2_modulator)
1941 #define VIDIOC_S_MODULATOR       _IOW('V', 55, struct v4l2_modulator)
1942 #define VIDIOC_G_FREQUENCY      _IOWR('V', 56, struct v4l2_frequency)
1943 #define VIDIOC_S_FREQUENCY       _IOW('V', 57, struct v4l2_frequency)
1944 #define VIDIOC_CROPCAP          _IOWR('V', 58, struct v4l2_cropcap)
1945 #define VIDIOC_G_CROP           _IOWR('V', 59, struct v4l2_crop)
1946 #define VIDIOC_S_CROP            _IOW('V', 60, struct v4l2_crop)
1947 #define VIDIOC_G_JPEGCOMP        _IOR('V', 61, struct v4l2_jpegcompression)
1948 #define VIDIOC_S_JPEGCOMP        _IOW('V', 62, struct v4l2_jpegcompression)
1949 #define VIDIOC_QUERYSTD          _IOR('V', 63, v4l2_std_id)
1950 #define VIDIOC_TRY_FMT          _IOWR('V', 64, struct v4l2_format)
1951 #define VIDIOC_ENUMAUDIO        _IOWR('V', 65, struct v4l2_audio)
1952 #define VIDIOC_ENUMAUDOUT       _IOWR('V', 66, struct v4l2_audioout)
1953 #define VIDIOC_G_PRIORITY        _IOR('V', 67, __u32) /* enum v4l2_priority */
1954 #define VIDIOC_S_PRIORITY        _IOW('V', 68, __u32) /* enum v4l2_priority */
1955 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
1956 #define VIDIOC_LOG_STATUS         _IO('V', 70)
1957 #define VIDIOC_G_EXT_CTRLS      _IOWR('V', 71, struct v4l2_ext_controls)
1958 #define VIDIOC_S_EXT_CTRLS      _IOWR('V', 72, struct v4l2_ext_controls)
1959 #define VIDIOC_TRY_EXT_CTRLS    _IOWR('V', 73, struct v4l2_ext_controls)
1960 #define VIDIOC_ENUM_FRAMESIZES  _IOWR('V', 74, struct v4l2_frmsizeenum)
1961 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
1962 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
1963 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
1964 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
1965
1966 /* Experimental, meant for debugging, testing and internal use.
1967    Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
1968    You must be root to use these ioctls. Never use these in applications! */
1969 #define VIDIOC_DBG_S_REGISTER    _IOW('V', 79, struct v4l2_dbg_register)
1970 #define VIDIOC_DBG_G_REGISTER   _IOWR('V', 80, struct v4l2_dbg_register)
1971
1972 #define VIDIOC_S_HW_FREQ_SEEK    _IOW('V', 82, struct v4l2_hw_freq_seek)
1973
1974 #define VIDIOC_S_DV_TIMINGS     _IOWR('V', 87, struct v4l2_dv_timings)
1975 #define VIDIOC_G_DV_TIMINGS     _IOWR('V', 88, struct v4l2_dv_timings)
1976 #define VIDIOC_DQEVENT           _IOR('V', 89, struct v4l2_event)
1977 #define VIDIOC_SUBSCRIBE_EVENT   _IOW('V', 90, struct v4l2_event_subscription)
1978 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
1979
1980 /* Experimental, the below two ioctls may change over the next couple of kernel
1981    versions */
1982 #define VIDIOC_CREATE_BUFS      _IOWR('V', 92, struct v4l2_create_buffers)
1983 #define VIDIOC_PREPARE_BUF      _IOWR('V', 93, struct v4l2_buffer)
1984
1985 /* Experimental selection API */
1986 #define VIDIOC_G_SELECTION      _IOWR('V', 94, struct v4l2_selection)
1987 #define VIDIOC_S_SELECTION      _IOWR('V', 95, struct v4l2_selection)
1988
1989 /* Experimental, these two ioctls may change over the next couple of kernel
1990    versions. */
1991 #define VIDIOC_DECODER_CMD      _IOWR('V', 96, struct v4l2_decoder_cmd)
1992 #define VIDIOC_TRY_DECODER_CMD  _IOWR('V', 97, struct v4l2_decoder_cmd)
1993
1994 /* Experimental, these three ioctls may change over the next couple of kernel
1995    versions. */
1996 #define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
1997 #define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
1998 #define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
1999
2000 /* Experimental, this ioctl may change over the next couple of kernel
2001    versions. */
2002 #define VIDIOC_ENUM_FREQ_BANDS  _IOWR('V', 101, struct v4l2_frequency_band)
2003
2004 /* Experimental, meant for debugging, testing and internal use.
2005    Never use these in applications! */
2006 #define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)
2007
2008 /* Reminder: when adding new ioctls please add support for them to
2009    drivers/media/video/v4l2-compat-ioctl32.c as well! */
2010
2011 #define BASE_VIDIOC_PRIVATE     192             /* 192-255 are private */
2012
2013 #endif /* _UAPI__LINUX_VIDEODEV2_H */