linux/include/uapi/linux/videodev2.h
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   1/* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
   2/*
   3 *  Video for Linux Two header file
   4 *
   5 *  Copyright (C) 1999-2012 the contributors
   6 *
   7 *  This program is free software; you can redistribute it and/or modify
   8 *  it under the terms of the GNU General Public License as published by
   9 *  the Free Software Foundation; either version 2 of the License, or
  10 *  (at your option) any later version.
  11 *
  12 *  This program is distributed in the hope that it will be useful,
  13 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 *  GNU General Public License for more details.
  16 *
  17 *  Alternatively you can redistribute this file under the terms of the
  18 *  BSD license as stated below:
  19 *
  20 *  Redistribution and use in source and binary forms, with or without
  21 *  modification, are permitted provided that the following conditions
  22 *  are met:
  23 *  1. Redistributions of source code must retain the above copyright
  24 *     notice, this list of conditions and the following disclaimer.
  25 *  2. Redistributions in binary form must reproduce the above copyright
  26 *     notice, this list of conditions and the following disclaimer in
  27 *     the documentation and/or other materials provided with the
  28 *     distribution.
  29 *  3. The names of its contributors may not be used to endorse or promote
  30 *     products derived from this software without specific prior written
  31 *     permission.
  32 *
  33 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  34 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  35 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  36 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  37 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  38 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  39 *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  40 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  41 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  42 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  43 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  44 *
  45 *      Header file for v4l or V4L2 drivers and applications
  46 * with public API.
  47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so
  48 * no #if __KERNEL tests are allowed here
  49 *
  50 *      See https://linuxtv.org for more info
  51 *
  52 *      Author: Bill Dirks <bill@thedirks.org>
  53 *              Justin Schoeman
  54 *              Hans Verkuil <hverkuil@xs4all.nl>
  55 *              et al.
  56 */
  57#ifndef _UAPI__LINUX_VIDEODEV2_H
  58#define _UAPI__LINUX_VIDEODEV2_H
  59
  60#ifndef __KERNEL__
  61#include <sys/time.h>
  62#endif
  63#include <linux/compiler.h>
  64#include <linux/ioctl.h>
  65#include <linux/types.h>
  66#include <linux/v4l2-common.h>
  67#include <linux/v4l2-controls.h>
  68
  69/*
  70 * Common stuff for both V4L1 and V4L2
  71 * Moved from videodev.h
  72 */
  73#define VIDEO_MAX_FRAME               32
  74#define VIDEO_MAX_PLANES               8
  75
  76/*
  77 *      M I S C E L L A N E O U S
  78 */
  79
  80/*  Four-character-code (FOURCC) */
  81#define v4l2_fourcc(a, b, c, d)\
  82        ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
  83#define v4l2_fourcc_be(a, b, c, d)      (v4l2_fourcc(a, b, c, d) | (1 << 31))
  84
  85/*
  86 *      E N U M S
  87 */
  88enum v4l2_field {
  89        V4L2_FIELD_ANY           = 0, /* driver can choose from none,
  90                                         top, bottom, interlaced
  91                                         depending on whatever it thinks
  92                                         is approximate ... */
  93        V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
  94        V4L2_FIELD_TOP           = 2, /* top field only */
  95        V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
  96        V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
  97        V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
  98                                         buffer, top-bottom order */
  99        V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
 100        V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
 101                                         separate buffers */
 102        V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
 103                                         first and the top field is
 104                                         transmitted first */
 105        V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
 106                                         first and the bottom field is
 107                                         transmitted first */
 108};
 109#define V4L2_FIELD_HAS_TOP(field)       \
 110        ((field) == V4L2_FIELD_TOP      ||\
 111         (field) == V4L2_FIELD_INTERLACED ||\
 112         (field) == V4L2_FIELD_INTERLACED_TB ||\
 113         (field) == V4L2_FIELD_INTERLACED_BT ||\
 114         (field) == V4L2_FIELD_SEQ_TB   ||\
 115         (field) == V4L2_FIELD_SEQ_BT)
 116#define V4L2_FIELD_HAS_BOTTOM(field)    \
 117        ((field) == V4L2_FIELD_BOTTOM   ||\
 118         (field) == V4L2_FIELD_INTERLACED ||\
 119         (field) == V4L2_FIELD_INTERLACED_TB ||\
 120         (field) == V4L2_FIELD_INTERLACED_BT ||\
 121         (field) == V4L2_FIELD_SEQ_TB   ||\
 122         (field) == V4L2_FIELD_SEQ_BT)
 123#define V4L2_FIELD_HAS_BOTH(field)      \
 124        ((field) == V4L2_FIELD_INTERLACED ||\
 125         (field) == V4L2_FIELD_INTERLACED_TB ||\
 126         (field) == V4L2_FIELD_INTERLACED_BT ||\
 127         (field) == V4L2_FIELD_SEQ_TB ||\
 128         (field) == V4L2_FIELD_SEQ_BT)
 129#define V4L2_FIELD_HAS_T_OR_B(field)    \
 130        ((field) == V4L2_FIELD_BOTTOM ||\
 131         (field) == V4L2_FIELD_TOP ||\
 132         (field) == V4L2_FIELD_ALTERNATE)
 133
 134enum v4l2_buf_type {
 135        V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
 136        V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
 137        V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
 138        V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
 139        V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
 140        V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
 141        V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
 142        V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
 143        V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
 144        V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
 145        V4L2_BUF_TYPE_SDR_CAPTURE          = 11,
 146        V4L2_BUF_TYPE_SDR_OUTPUT           = 12,
 147        V4L2_BUF_TYPE_META_CAPTURE         = 13,
 148        /* Deprecated, do not use */
 149        V4L2_BUF_TYPE_PRIVATE              = 0x80,
 150};
 151
 152#define V4L2_TYPE_IS_MULTIPLANAR(type)                  \
 153        ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE   \
 154         || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 155
 156#define V4L2_TYPE_IS_OUTPUT(type)                               \
 157        ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT                   \
 158         || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE         \
 159         || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY               \
 160         || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY        \
 161         || (type) == V4L2_BUF_TYPE_VBI_OUTPUT                  \
 162         || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT           \
 163         || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
 164
 165enum v4l2_tuner_type {
 166        V4L2_TUNER_RADIO             = 1,
 167        V4L2_TUNER_ANALOG_TV         = 2,
 168        V4L2_TUNER_DIGITAL_TV        = 3,
 169        V4L2_TUNER_SDR               = 4,
 170        V4L2_TUNER_RF                = 5,
 171};
 172
 173/* Deprecated, do not use */
 174#define V4L2_TUNER_ADC  V4L2_TUNER_SDR
 175
 176enum v4l2_memory {
 177        V4L2_MEMORY_MMAP             = 1,
 178        V4L2_MEMORY_USERPTR          = 2,
 179        V4L2_MEMORY_OVERLAY          = 3,
 180        V4L2_MEMORY_DMABUF           = 4,
 181};
 182
 183/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
 184enum v4l2_colorspace {
 185        /*
 186         * Default colorspace, i.e. let the driver figure it out.
 187         * Can only be used with video capture.
 188         */
 189        V4L2_COLORSPACE_DEFAULT       = 0,
 190
 191        /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
 192        V4L2_COLORSPACE_SMPTE170M     = 1,
 193
 194        /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
 195        V4L2_COLORSPACE_SMPTE240M     = 2,
 196
 197        /* Rec.709: used for HDTV */
 198        V4L2_COLORSPACE_REC709        = 3,
 199
 200        /*
 201         * Deprecated, do not use. No driver will ever return this. This was
 202         * based on a misunderstanding of the bt878 datasheet.
 203         */
 204        V4L2_COLORSPACE_BT878         = 4,
 205
 206        /*
 207         * NTSC 1953 colorspace. This only makes sense when dealing with
 208         * really, really old NTSC recordings. Superseded by SMPTE 170M.
 209         */
 210        V4L2_COLORSPACE_470_SYSTEM_M  = 5,
 211
 212        /*
 213         * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
 214         * dealing with really old PAL/SECAM recordings. Superseded by
 215         * SMPTE 170M.
 216         */
 217        V4L2_COLORSPACE_470_SYSTEM_BG = 6,
 218
 219        /*
 220         * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
 221         * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
 222         */
 223        V4L2_COLORSPACE_JPEG          = 7,
 224
 225        /* For RGB colorspaces such as produces by most webcams. */
 226        V4L2_COLORSPACE_SRGB          = 8,
 227
 228        /* opRGB colorspace */
 229        V4L2_COLORSPACE_OPRGB         = 9,
 230
 231        /* BT.2020 colorspace, used for UHDTV. */
 232        V4L2_COLORSPACE_BT2020        = 10,
 233
 234        /* Raw colorspace: for RAW unprocessed images */
 235        V4L2_COLORSPACE_RAW           = 11,
 236
 237        /* DCI-P3 colorspace, used by cinema projectors */
 238        V4L2_COLORSPACE_DCI_P3        = 12,
 239};
 240
 241/*
 242 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
 243 * This depends on whether this is a SDTV image (use SMPTE 170M), an
 244 * HDTV image (use Rec. 709), or something else (use sRGB).
 245 */
 246#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
 247        ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
 248         ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
 249
 250enum v4l2_xfer_func {
 251        /*
 252         * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
 253         * for the various colorspaces:
 254         *
 255         * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
 256         * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
 257         * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
 258         *
 259         * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
 260         *
 261         * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
 262         *
 263         * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
 264         *
 265         * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
 266         *
 267         * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
 268         */
 269        V4L2_XFER_FUNC_DEFAULT     = 0,
 270        V4L2_XFER_FUNC_709         = 1,
 271        V4L2_XFER_FUNC_SRGB        = 2,
 272        V4L2_XFER_FUNC_OPRGB       = 3,
 273        V4L2_XFER_FUNC_SMPTE240M   = 4,
 274        V4L2_XFER_FUNC_NONE        = 5,
 275        V4L2_XFER_FUNC_DCI_P3      = 6,
 276        V4L2_XFER_FUNC_SMPTE2084   = 7,
 277};
 278
 279/*
 280 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
 281 * This depends on the colorspace.
 282 */
 283#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
 284        ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
 285         ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
 286          ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
 287           ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
 288            ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
 289             V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
 290
 291enum v4l2_ycbcr_encoding {
 292        /*
 293         * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
 294         * various colorspaces:
 295         *
 296         * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
 297         * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
 298         * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
 299         *
 300         * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
 301         *
 302         * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
 303         *
 304         * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
 305         */
 306        V4L2_YCBCR_ENC_DEFAULT        = 0,
 307
 308        /* ITU-R 601 -- SDTV */
 309        V4L2_YCBCR_ENC_601            = 1,
 310
 311        /* Rec. 709 -- HDTV */
 312        V4L2_YCBCR_ENC_709            = 2,
 313
 314        /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
 315        V4L2_YCBCR_ENC_XV601          = 3,
 316
 317        /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
 318        V4L2_YCBCR_ENC_XV709          = 4,
 319
 320#ifndef __KERNEL__
 321        /*
 322         * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
 323         * originally due to a misunderstanding of the sYCC standard. It should
 324         * not be used, instead use V4L2_YCBCR_ENC_601.
 325         */
 326        V4L2_YCBCR_ENC_SYCC           = 5,
 327#endif
 328
 329        /* BT.2020 Non-constant Luminance Y'CbCr */
 330        V4L2_YCBCR_ENC_BT2020         = 6,
 331
 332        /* BT.2020 Constant Luminance Y'CbcCrc */
 333        V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
 334
 335        /* SMPTE 240M -- Obsolete HDTV */
 336        V4L2_YCBCR_ENC_SMPTE240M      = 8,
 337};
 338
 339/*
 340 * enum v4l2_hsv_encoding values should not collide with the ones from
 341 * enum v4l2_ycbcr_encoding.
 342 */
 343enum v4l2_hsv_encoding {
 344
 345        /* Hue mapped to 0 - 179 */
 346        V4L2_HSV_ENC_180                = 128,
 347
 348        /* Hue mapped to 0-255 */
 349        V4L2_HSV_ENC_256                = 129,
 350};
 351
 352/*
 353 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
 354 * This depends on the colorspace.
 355 */
 356#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
 357        (((colsp) == V4L2_COLORSPACE_REC709 || \
 358          (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
 359         ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
 360          ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
 361           V4L2_YCBCR_ENC_601)))
 362
 363enum v4l2_quantization {
 364        /*
 365         * The default for R'G'B' quantization is always full range, except
 366         * for the BT2020 colorspace. For Y'CbCr the quantization is always
 367         * limited range, except for COLORSPACE_JPEG: this is full range.
 368         */
 369        V4L2_QUANTIZATION_DEFAULT     = 0,
 370        V4L2_QUANTIZATION_FULL_RANGE  = 1,
 371        V4L2_QUANTIZATION_LIM_RANGE   = 2,
 372};
 373
 374/*
 375 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
 376 * This depends on whether the image is RGB or not, the colorspace and the
 377 * Y'CbCr encoding.
 378 */
 379#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
 380        (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
 381         V4L2_QUANTIZATION_LIM_RANGE : \
 382         (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
 383         V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
 384
 385/*
 386 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
 387 *
 388 * WARNING: Please don't use these deprecated defines in your code, as
 389 * there is a chance we have to remove them in the future.
 390 */
 391#ifndef __KERNEL__
 392#define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
 393#define V4L2_XFER_FUNC_ADOBERGB  V4L2_XFER_FUNC_OPRGB
 394#endif
 395
 396enum v4l2_priority {
 397        V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
 398        V4L2_PRIORITY_BACKGROUND  = 1,
 399        V4L2_PRIORITY_INTERACTIVE = 2,
 400        V4L2_PRIORITY_RECORD      = 3,
 401        V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
 402};
 403
 404struct v4l2_rect {
 405        __s32   left;
 406        __s32   top;
 407        __u32   width;
 408        __u32   height;
 409};
 410
 411struct v4l2_fract {
 412        __u32   numerator;
 413        __u32   denominator;
 414};
 415
 416/**
 417  * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
 418  *
 419  * @driver:       name of the driver module (e.g. "bttv")
 420  * @card:         name of the card (e.g. "Hauppauge WinTV")
 421  * @bus_info:     name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
 422  * @version:      KERNEL_VERSION
 423  * @capabilities: capabilities of the physical device as a whole
 424  * @device_caps:  capabilities accessed via this particular device (node)
 425  * @reserved:     reserved fields for future extensions
 426  */
 427struct v4l2_capability {
 428        __u8    driver[16];
 429        __u8    card[32];
 430        __u8    bus_info[32];
 431        __u32   version;
 432        __u32   capabilities;
 433        __u32   device_caps;
 434        __u32   reserved[3];
 435};
 436
 437/* Values for 'capabilities' field */
 438#define V4L2_CAP_VIDEO_CAPTURE          0x00000001  /* Is a video capture device */
 439#define V4L2_CAP_VIDEO_OUTPUT           0x00000002  /* Is a video output device */
 440#define V4L2_CAP_VIDEO_OVERLAY          0x00000004  /* Can do video overlay */
 441#define V4L2_CAP_VBI_CAPTURE            0x00000010  /* Is a raw VBI capture device */
 442#define V4L2_CAP_VBI_OUTPUT             0x00000020  /* Is a raw VBI output device */
 443#define V4L2_CAP_SLICED_VBI_CAPTURE     0x00000040  /* Is a sliced VBI capture device */
 444#define V4L2_CAP_SLICED_VBI_OUTPUT      0x00000080  /* Is a sliced VBI output device */
 445#define V4L2_CAP_RDS_CAPTURE            0x00000100  /* RDS data capture */
 446#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY   0x00000200  /* Can do video output overlay */
 447#define V4L2_CAP_HW_FREQ_SEEK           0x00000400  /* Can do hardware frequency seek  */
 448#define V4L2_CAP_RDS_OUTPUT             0x00000800  /* Is an RDS encoder */
 449
 450/* Is a video capture device that supports multiplanar formats */
 451#define V4L2_CAP_VIDEO_CAPTURE_MPLANE   0x00001000
 452/* Is a video output device that supports multiplanar formats */
 453#define V4L2_CAP_VIDEO_OUTPUT_MPLANE    0x00002000
 454/* Is a video mem-to-mem device that supports multiplanar formats */
 455#define V4L2_CAP_VIDEO_M2M_MPLANE       0x00004000
 456/* Is a video mem-to-mem device */
 457#define V4L2_CAP_VIDEO_M2M              0x00008000
 458
 459#define V4L2_CAP_TUNER                  0x00010000  /* has a tuner */
 460#define V4L2_CAP_AUDIO                  0x00020000  /* has audio support */
 461#define V4L2_CAP_RADIO                  0x00040000  /* is a radio device */
 462#define V4L2_CAP_MODULATOR              0x00080000  /* has a modulator */
 463
 464#define V4L2_CAP_SDR_CAPTURE            0x00100000  /* Is a SDR capture device */
 465#define V4L2_CAP_EXT_PIX_FORMAT         0x00200000  /* Supports the extended pixel format */
 466#define V4L2_CAP_SDR_OUTPUT             0x00400000  /* Is a SDR output device */
 467#define V4L2_CAP_META_CAPTURE           0x00800000  /* Is a metadata capture device */
 468
 469#define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
 470#define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
 471#define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
 472
 473#define V4L2_CAP_TOUCH                  0x10000000  /* Is a touch device */
 474
 475#define V4L2_CAP_DEVICE_CAPS            0x80000000  /* sets device capabilities field */
 476
 477/*
 478 *      V I D E O   I M A G E   F O R M A T
 479 */
 480struct v4l2_pix_format {
 481        __u32                   width;
 482        __u32                   height;
 483        __u32                   pixelformat;
 484        __u32                   field;          /* enum v4l2_field */
 485        __u32                   bytesperline;   /* for padding, zero if unused */
 486        __u32                   sizeimage;
 487        __u32                   colorspace;     /* enum v4l2_colorspace */
 488        __u32                   priv;           /* private data, depends on pixelformat */
 489        __u32                   flags;          /* format flags (V4L2_PIX_FMT_FLAG_*) */
 490        union {
 491                /* enum v4l2_ycbcr_encoding */
 492                __u32                   ycbcr_enc;
 493                /* enum v4l2_hsv_encoding */
 494                __u32                   hsv_enc;
 495        };
 496        __u32                   quantization;   /* enum v4l2_quantization */
 497        __u32                   xfer_func;      /* enum v4l2_xfer_func */
 498};
 499
 500/*      Pixel format         FOURCC                          depth  Description  */
 501
 502/* RGB formats */
 503#define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
 504#define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
 505#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16  aaaarrrr ggggbbbb */
 506#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16  xxxxrrrr ggggbbbb */
 507#define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
 508#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16  ARGB-1-5-5-5  */
 509#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16  XRGB-1-5-5-5  */
 510#define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
 511#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
 512#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16  ARGB-5-5-5 BE */
 513#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16  XRGB-5-5-5 BE */
 514#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
 515#define V4L2_PIX_FMT_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6     */
 516#define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
 517#define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
 518#define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
 519#define V4L2_PIX_FMT_ABGR32  v4l2_fourcc('A', 'R', '2', '4') /* 32  BGRA-8-8-8-8  */
 520#define V4L2_PIX_FMT_XBGR32  v4l2_fourcc('X', 'R', '2', '4') /* 32  BGRX-8-8-8-8  */
 521#define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
 522#define V4L2_PIX_FMT_ARGB32  v4l2_fourcc('B', 'A', '2', '4') /* 32  ARGB-8-8-8-8  */
 523#define V4L2_PIX_FMT_XRGB32  v4l2_fourcc('B', 'X', '2', '4') /* 32  XRGB-8-8-8-8  */
 524
 525/* Grey formats */
 526#define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
 527#define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
 528#define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
 529#define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
 530#define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
 531#define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
 532#define V4L2_PIX_FMT_Y16_BE  v4l2_fourcc_be('Y', '1', '6', ' ') /* 16  Greyscale BE  */
 533
 534/* Grey bit-packed formats */
 535#define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
 536#define V4L2_PIX_FMT_Y10P    v4l2_fourcc('Y', '1', '0', 'P') /* 10  Greyscale, MIPI RAW10 packed */
 537
 538/* Palette formats */
 539#define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
 540
 541/* Chrominance formats */
 542#define V4L2_PIX_FMT_UV8     v4l2_fourcc('U', 'V', '8', ' ') /*  8  UV 4:4 */
 543
 544/* Luminance+Chrominance formats */
 545#define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
 546#define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
 547#define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
 548#define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
 549#define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
 550#define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
 551#define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
 552#define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
 553#define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
 554#define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
 555#define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
 556#define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
 557#define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
 558
 559/* two planes -- one Y, one Cr + Cb interleaved  */
 560#define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
 561#define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
 562#define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
 563#define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
 564#define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
 565#define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */
 566
 567/* two non contiguous planes - one Y, one Cr + Cb interleaved  */
 568#define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
 569#define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
 570#define V4L2_PIX_FMT_NV16M   v4l2_fourcc('N', 'M', '1', '6') /* 16  Y/CbCr 4:2:2  */
 571#define V4L2_PIX_FMT_NV61M   v4l2_fourcc('N', 'M', '6', '1') /* 16  Y/CrCb 4:2:2  */
 572#define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */
 573#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 macroblocks */
 574
 575/* three planes - Y Cb, Cr */
 576#define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
 577#define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
 578#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12  YVU411 planar */
 579#define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
 580#define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
 581#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
 582
 583/* three non contiguous planes - Y, Cb, Cr */
 584#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
 585#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */
 586#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16  YUV422 planar */
 587#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16  YVU422 planar */
 588#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24  YUV444 planar */
 589#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24  YVU444 planar */
 590
 591/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
 592#define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
 593#define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
 594#define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
 595#define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
 596#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
 597#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
 598#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
 599#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
 600        /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
 601#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
 602#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
 603#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
 604#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
 605        /* 10bit raw bayer a-law compressed to 8 bits */
 606#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
 607#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
 608#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
 609#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
 610        /* 10bit raw bayer DPCM compressed to 8 bits */
 611#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
 612#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
 613#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
 614#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
 615#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
 616#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
 617#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
 618#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
 619        /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
 620#define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
 621#define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
 622#define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
 623#define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
 624        /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
 625#define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
 626#define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
 627#define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
 628#define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
 629#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
 630#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16  GBGB.. RGRG.. */
 631#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16  GRGR.. BGBG.. */
 632#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16  RGRG.. GBGB.. */
 633
 634/* HSV formats */
 635#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
 636#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
 637
 638/* compressed formats */
 639#define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
 640#define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
 641#define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
 642#define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
 643#define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
 644#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
 645#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
 646#define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
 647#define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
 648#define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
 649#define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
 650#define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
 651#define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
 652#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
 653#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
 654#define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
 655#define V4L2_PIX_FMT_VP9      v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
 656#define V4L2_PIX_FMT_HEVC     v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
 657#define V4L2_PIX_FMT_FWHT     v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
 658
 659/*  Vendor-specific formats   */
 660#define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
 661#define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
 662#define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
 663#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
 664#define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
 665#define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
 666#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
 667#define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
 668#define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
 669#define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
 670#define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
 671#define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
 672#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
 673#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
 674#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
 675#define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
 676#define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
 677#define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
 678#define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
 679#define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
 680#define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
 681#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
 682#define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
 683#define V4L2_PIX_FMT_JPGL       v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
 684#define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
 685#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
 686#define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
 687#define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
 688#define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
 689#define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
 690#define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
 691#define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */
 692
 693/* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
 694#define V4L2_PIX_FMT_IPU3_SBGGR10       v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
 695#define V4L2_PIX_FMT_IPU3_SGBRG10       v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
 696#define V4L2_PIX_FMT_IPU3_SGRBG10       v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
 697#define V4L2_PIX_FMT_IPU3_SRGGB10       v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
 698
 699/* SDR formats - used only for Software Defined Radio devices */
 700#define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
 701#define V4L2_SDR_FMT_CU16LE       v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
 702#define V4L2_SDR_FMT_CS8          v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
 703#define V4L2_SDR_FMT_CS14LE       v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
 704#define V4L2_SDR_FMT_RU12LE       v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
 705#define V4L2_SDR_FMT_PCU16BE      v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
 706#define V4L2_SDR_FMT_PCU18BE      v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
 707#define V4L2_SDR_FMT_PCU20BE      v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
 708
 709/* Touch formats - used for Touch devices */
 710#define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
 711#define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
 712#define V4L2_TCH_FMT_TU16       v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
 713#define V4L2_TCH_FMT_TU08       v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
 714
 715/* Meta-data formats */
 716#define V4L2_META_FMT_VSP1_HGO    v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
 717#define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
 718#define V4L2_META_FMT_UVC         v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
 719#define V4L2_META_FMT_D4XX        v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
 720
 721/* priv field value to indicates that subsequent fields are valid. */
 722#define V4L2_PIX_FMT_PRIV_MAGIC         0xfeedcafe
 723
 724/* Flags */
 725#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA  0x00000001
 726
 727/*
 728 *      F O R M A T   E N U M E R A T I O N
 729 */
 730struct v4l2_fmtdesc {
 731        __u32               index;             /* Format number      */
 732        __u32               type;              /* enum v4l2_buf_type */
 733        __u32               flags;
 734        __u8                description[32];   /* Description string */
 735        __u32               pixelformat;       /* Format fourcc      */
 736        __u32               reserved[4];
 737};
 738
 739#define V4L2_FMT_FLAG_COMPRESSED 0x0001
 740#define V4L2_FMT_FLAG_EMULATED   0x0002
 741
 742        /* Frame Size and frame rate enumeration */
 743/*
 744 *      F R A M E   S I Z E   E N U M E R A T I O N
 745 */
 746enum v4l2_frmsizetypes {
 747        V4L2_FRMSIZE_TYPE_DISCRETE      = 1,
 748        V4L2_FRMSIZE_TYPE_CONTINUOUS    = 2,
 749        V4L2_FRMSIZE_TYPE_STEPWISE      = 3,
 750};
 751
 752struct v4l2_frmsize_discrete {
 753        __u32                   width;          /* Frame width [pixel] */
 754        __u32                   height;         /* Frame height [pixel] */
 755};
 756
 757struct v4l2_frmsize_stepwise {
 758        __u32                   min_width;      /* Minimum frame width [pixel] */
 759        __u32                   max_width;      /* Maximum frame width [pixel] */
 760        __u32                   step_width;     /* Frame width step size [pixel] */
 761        __u32                   min_height;     /* Minimum frame height [pixel] */
 762        __u32                   max_height;     /* Maximum frame height [pixel] */
 763        __u32                   step_height;    /* Frame height step size [pixel] */
 764};
 765
 766struct v4l2_frmsizeenum {
 767        __u32                   index;          /* Frame size number */
 768        __u32                   pixel_format;   /* Pixel format */
 769        __u32                   type;           /* Frame size type the device supports. */
 770
 771        union {                                 /* Frame size */
 772                struct v4l2_frmsize_discrete    discrete;
 773                struct v4l2_frmsize_stepwise    stepwise;
 774        };
 775
 776        __u32   reserved[2];                    /* Reserved space for future use */
 777};
 778
 779/*
 780 *      F R A M E   R A T E   E N U M E R A T I O N
 781 */
 782enum v4l2_frmivaltypes {
 783        V4L2_FRMIVAL_TYPE_DISCRETE      = 1,
 784        V4L2_FRMIVAL_TYPE_CONTINUOUS    = 2,
 785        V4L2_FRMIVAL_TYPE_STEPWISE      = 3,
 786};
 787
 788struct v4l2_frmival_stepwise {
 789        struct v4l2_fract       min;            /* Minimum frame interval [s] */
 790        struct v4l2_fract       max;            /* Maximum frame interval [s] */
 791        struct v4l2_fract       step;           /* Frame interval step size [s] */
 792};
 793
 794struct v4l2_frmivalenum {
 795        __u32                   index;          /* Frame format index */
 796        __u32                   pixel_format;   /* Pixel format */
 797        __u32                   width;          /* Frame width */
 798        __u32                   height;         /* Frame height */
 799        __u32                   type;           /* Frame interval type the device supports. */
 800
 801        union {                                 /* Frame interval */
 802                struct v4l2_fract               discrete;
 803                struct v4l2_frmival_stepwise    stepwise;
 804        };
 805
 806        __u32   reserved[2];                    /* Reserved space for future use */
 807};
 808
 809/*
 810 *      T I M E C O D E
 811 */
 812struct v4l2_timecode {
 813        __u32   type;
 814        __u32   flags;
 815        __u8    frames;
 816        __u8    seconds;
 817        __u8    minutes;
 818        __u8    hours;
 819        __u8    userbits[4];
 820};
 821
 822/*  Type  */
 823#define V4L2_TC_TYPE_24FPS              1
 824#define V4L2_TC_TYPE_25FPS              2
 825#define V4L2_TC_TYPE_30FPS              3
 826#define V4L2_TC_TYPE_50FPS              4
 827#define V4L2_TC_TYPE_60FPS              5
 828
 829/*  Flags  */
 830#define V4L2_TC_FLAG_DROPFRAME          0x0001 /* "drop-frame" mode */
 831#define V4L2_TC_FLAG_COLORFRAME         0x0002
 832#define V4L2_TC_USERBITS_field          0x000C
 833#define V4L2_TC_USERBITS_USERDEFINED    0x0000
 834#define V4L2_TC_USERBITS_8BITCHARS      0x0008
 835/* The above is based on SMPTE timecodes */
 836
 837struct v4l2_jpegcompression {
 838        int quality;
 839
 840        int  APPn;              /* Number of APP segment to be written,
 841                                 * must be 0..15 */
 842        int  APP_len;           /* Length of data in JPEG APPn segment */
 843        char APP_data[60];      /* Data in the JPEG APPn segment. */
 844
 845        int  COM_len;           /* Length of data in JPEG COM segment */
 846        char COM_data[60];      /* Data in JPEG COM segment */
 847
 848        __u32 jpeg_markers;     /* Which markers should go into the JPEG
 849                                 * output. Unless you exactly know what
 850                                 * you do, leave them untouched.
 851                                 * Including less markers will make the
 852                                 * resulting code smaller, but there will
 853                                 * be fewer applications which can read it.
 854                                 * The presence of the APP and COM marker
 855                                 * is influenced by APP_len and COM_len
 856                                 * ONLY, not by this property! */
 857
 858#define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
 859#define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
 860#define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
 861#define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
 862#define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
 863                                        * always use APP0 */
 864};
 865
 866/*
 867 *      M E M O R Y - M A P P I N G   B U F F E R S
 868 */
 869struct v4l2_requestbuffers {
 870        __u32                   count;
 871        __u32                   type;           /* enum v4l2_buf_type */
 872        __u32                   memory;         /* enum v4l2_memory */
 873        __u32                   capabilities;
 874        __u32                   reserved[1];
 875};
 876
 877/* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
 878#define V4L2_BUF_CAP_SUPPORTS_MMAP      (1 << 0)
 879#define V4L2_BUF_CAP_SUPPORTS_USERPTR   (1 << 1)
 880#define V4L2_BUF_CAP_SUPPORTS_DMABUF    (1 << 2)
 881#define V4L2_BUF_CAP_SUPPORTS_REQUESTS  (1 << 3)
 882
 883/**
 884 * struct v4l2_plane - plane info for multi-planar buffers
 885 * @bytesused:          number of bytes occupied by data in the plane (payload)
 886 * @length:             size of this plane (NOT the payload) in bytes
 887 * @mem_offset:         when memory in the associated struct v4l2_buffer is
 888 *                      V4L2_MEMORY_MMAP, equals the offset from the start of
 889 *                      the device memory for this plane (or is a "cookie" that
 890 *                      should be passed to mmap() called on the video node)
 891 * @userptr:            when memory is V4L2_MEMORY_USERPTR, a userspace pointer
 892 *                      pointing to this plane
 893 * @fd:                 when memory is V4L2_MEMORY_DMABUF, a userspace file
 894 *                      descriptor associated with this plane
 895 * @data_offset:        offset in the plane to the start of data; usually 0,
 896 *                      unless there is a header in front of the data
 897 *
 898 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
 899 * with two planes can have one plane for Y, and another for interleaved CbCr
 900 * components. Each plane can reside in a separate memory buffer, or even in
 901 * a completely separate memory node (e.g. in embedded devices).
 902 */
 903struct v4l2_plane {
 904        __u32                   bytesused;
 905        __u32                   length;
 906        union {
 907                __u32           mem_offset;
 908                unsigned long   userptr;
 909                __s32           fd;
 910        } m;
 911        __u32                   data_offset;
 912        __u32                   reserved[11];
 913};
 914
 915/**
 916 * struct v4l2_buffer - video buffer info
 917 * @index:      id number of the buffer
 918 * @type:       enum v4l2_buf_type; buffer type (type == *_MPLANE for
 919 *              multiplanar buffers);
 920 * @bytesused:  number of bytes occupied by data in the buffer (payload);
 921 *              unused (set to 0) for multiplanar buffers
 922 * @flags:      buffer informational flags
 923 * @field:      enum v4l2_field; field order of the image in the buffer
 924 * @timestamp:  frame timestamp
 925 * @timecode:   frame timecode
 926 * @sequence:   sequence count of this frame
 927 * @memory:     enum v4l2_memory; the method, in which the actual video data is
 928 *              passed
 929 * @offset:     for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
 930 *              offset from the start of the device memory for this plane,
 931 *              (or a "cookie" that should be passed to mmap() as offset)
 932 * @userptr:    for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
 933 *              a userspace pointer pointing to this buffer
 934 * @fd:         for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
 935 *              a userspace file descriptor associated with this buffer
 936 * @planes:     for multiplanar buffers; userspace pointer to the array of plane
 937 *              info structs for this buffer
 938 * @length:     size in bytes of the buffer (NOT its payload) for single-plane
 939 *              buffers (when type != *_MPLANE); number of elements in the
 940 *              planes array for multi-plane buffers
 941 * @request_fd: fd of the request that this buffer should use
 942 *
 943 * Contains data exchanged by application and driver using one of the Streaming
 944 * I/O methods.
 945 */
 946struct v4l2_buffer {
 947        __u32                   index;
 948        __u32                   type;
 949        __u32                   bytesused;
 950        __u32                   flags;
 951        __u32                   field;
 952        struct timeval          timestamp;
 953        struct v4l2_timecode    timecode;
 954        __u32                   sequence;
 955
 956        /* memory location */
 957        __u32                   memory;
 958        union {
 959                __u32           offset;
 960                unsigned long   userptr;
 961                struct v4l2_plane *planes;
 962                __s32           fd;
 963        } m;
 964        __u32                   length;
 965        __u32                   reserved2;
 966        union {
 967                __s32           request_fd;
 968                __u32           reserved;
 969        };
 970};
 971
 972/*  Flags for 'flags' field */
 973/* Buffer is mapped (flag) */
 974#define V4L2_BUF_FLAG_MAPPED                    0x00000001
 975/* Buffer is queued for processing */
 976#define V4L2_BUF_FLAG_QUEUED                    0x00000002
 977/* Buffer is ready */
 978#define V4L2_BUF_FLAG_DONE                      0x00000004
 979/* Image is a keyframe (I-frame) */
 980#define V4L2_BUF_FLAG_KEYFRAME                  0x00000008
 981/* Image is a P-frame */
 982#define V4L2_BUF_FLAG_PFRAME                    0x00000010
 983/* Image is a B-frame */
 984#define V4L2_BUF_FLAG_BFRAME                    0x00000020
 985/* Buffer is ready, but the data contained within is corrupted. */
 986#define V4L2_BUF_FLAG_ERROR                     0x00000040
 987/* Buffer is added to an unqueued request */
 988#define V4L2_BUF_FLAG_IN_REQUEST                0x00000080
 989/* timecode field is valid */
 990#define V4L2_BUF_FLAG_TIMECODE                  0x00000100
 991/* Buffer is prepared for queuing */
 992#define V4L2_BUF_FLAG_PREPARED                  0x00000400
 993/* Cache handling flags */
 994#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE       0x00000800
 995#define V4L2_BUF_FLAG_NO_CACHE_CLEAN            0x00001000
 996/* Timestamp type */
 997#define V4L2_BUF_FLAG_TIMESTAMP_MASK            0x0000e000
 998#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN         0x00000000
 999#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC       0x00002000
1000#define V4L2_BUF_FLAG_TIMESTAMP_COPY            0x00004000
1001/* Timestamp sources. */
1002#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK           0x00070000
1003#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF            0x00000000
1004#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE            0x00010000
1005/* mem2mem encoder/decoder */
1006#define V4L2_BUF_FLAG_LAST                      0x00100000
1007/* request_fd is valid */
1008#define V4L2_BUF_FLAG_REQUEST_FD                0x00800000
1009
1010/**
1011 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1012 *
1013 * @index:      id number of the buffer
1014 * @type:       enum v4l2_buf_type; buffer type (type == *_MPLANE for
1015 *              multiplanar buffers);
1016 * @plane:      index of the plane to be exported, 0 for single plane queues
1017 * @flags:      flags for newly created file, currently only O_CLOEXEC is
1018 *              supported, refer to manual of open syscall for more details
1019 * @fd:         file descriptor associated with DMABUF (set by driver)
1020 *
1021 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1022 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1023 * (identical to the cookie used to mmap() the buffer to userspace). All
1024 * reserved fields must be set to zero. The field reserved0 is expected to
1025 * become a structure 'type' allowing an alternative layout of the structure
1026 * content. Therefore this field should not be used for any other extensions.
1027 */
1028struct v4l2_exportbuffer {
1029        __u32           type; /* enum v4l2_buf_type */
1030        __u32           index;
1031        __u32           plane;
1032        __u32           flags;
1033        __s32           fd;
1034        __u32           reserved[11];
1035};
1036
1037/*
1038 *      O V E R L A Y   P R E V I E W
1039 */
1040struct v4l2_framebuffer {
1041        __u32                   capability;
1042        __u32                   flags;
1043/* FIXME: in theory we should pass something like PCI device + memory
1044 * region + offset instead of some physical address */
1045        void                    *base;
1046        struct {
1047                __u32           width;
1048                __u32           height;
1049                __u32           pixelformat;
1050                __u32           field;          /* enum v4l2_field */
1051                __u32           bytesperline;   /* for padding, zero if unused */
1052                __u32           sizeimage;
1053                __u32           colorspace;     /* enum v4l2_colorspace */
1054                __u32           priv;           /* reserved field, set to 0 */
1055        } fmt;
1056};
1057/*  Flags for the 'capability' field. Read only */
1058#define V4L2_FBUF_CAP_EXTERNOVERLAY     0x0001
1059#define V4L2_FBUF_CAP_CHROMAKEY         0x0002
1060#define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
1061#define V4L2_FBUF_CAP_BITMAP_CLIPPING   0x0008
1062#define V4L2_FBUF_CAP_LOCAL_ALPHA       0x0010
1063#define V4L2_FBUF_CAP_GLOBAL_ALPHA      0x0020
1064#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA   0x0040
1065#define V4L2_FBUF_CAP_SRC_CHROMAKEY     0x0080
1066/*  Flags for the 'flags' field. */
1067#define V4L2_FBUF_FLAG_PRIMARY          0x0001
1068#define V4L2_FBUF_FLAG_OVERLAY          0x0002
1069#define V4L2_FBUF_FLAG_CHROMAKEY        0x0004
1070#define V4L2_FBUF_FLAG_LOCAL_ALPHA      0x0008
1071#define V4L2_FBUF_FLAG_GLOBAL_ALPHA     0x0010
1072#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA  0x0020
1073#define V4L2_FBUF_FLAG_SRC_CHROMAKEY    0x0040
1074
1075struct v4l2_clip {
1076        struct v4l2_rect        c;
1077        struct v4l2_clip        __user *next;
1078};
1079
1080struct v4l2_window {
1081        struct v4l2_rect        w;
1082        __u32                   field;   /* enum v4l2_field */
1083        __u32                   chromakey;
1084        struct v4l2_clip        __user *clips;
1085        __u32                   clipcount;
1086        void                    __user *bitmap;
1087        __u8                    global_alpha;
1088};
1089
1090/*
1091 *      C A P T U R E   P A R A M E T E R S
1092 */
1093struct v4l2_captureparm {
1094        __u32              capability;    /*  Supported modes */
1095        __u32              capturemode;   /*  Current mode */
1096        struct v4l2_fract  timeperframe;  /*  Time per frame in seconds */
1097        __u32              extendedmode;  /*  Driver-specific extensions */
1098        __u32              readbuffers;   /*  # of buffers for read */
1099        __u32              reserved[4];
1100};
1101
1102/*  Flags for 'capability' and 'capturemode' fields */
1103#define V4L2_MODE_HIGHQUALITY   0x0001  /*  High quality imaging mode */
1104#define V4L2_CAP_TIMEPERFRAME   0x1000  /*  timeperframe field is supported */
1105
1106struct v4l2_outputparm {
1107        __u32              capability;   /*  Supported modes */
1108        __u32              outputmode;   /*  Current mode */
1109        struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
1110        __u32              extendedmode; /*  Driver-specific extensions */
1111        __u32              writebuffers; /*  # of buffers for write */
1112        __u32              reserved[4];
1113};
1114
1115/*
1116 *      I N P U T   I M A G E   C R O P P I N G
1117 */
1118struct v4l2_cropcap {
1119        __u32                   type;   /* enum v4l2_buf_type */
1120        struct v4l2_rect        bounds;
1121        struct v4l2_rect        defrect;
1122        struct v4l2_fract       pixelaspect;
1123};
1124
1125struct v4l2_crop {
1126        __u32                   type;   /* enum v4l2_buf_type */
1127        struct v4l2_rect        c;
1128};
1129
1130/**
1131 * struct v4l2_selection - selection info
1132 * @type:       buffer type (do not use *_MPLANE types)
1133 * @target:     Selection target, used to choose one of possible rectangles;
1134 *              defined in v4l2-common.h; V4L2_SEL_TGT_* .
1135 * @flags:      constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1136 * @r:          coordinates of selection window
1137 * @reserved:   for future use, rounds structure size to 64 bytes, set to zero
1138 *
1139 * Hardware may use multiple helper windows to process a video stream.
1140 * The structure is used to exchange this selection areas between
1141 * an application and a driver.
1142 */
1143struct v4l2_selection {
1144        __u32                   type;
1145        __u32                   target;
1146        __u32                   flags;
1147        struct v4l2_rect        r;
1148        __u32                   reserved[9];
1149};
1150
1151
1152/*
1153 *      A N A L O G   V I D E O   S T A N D A R D
1154 */
1155
1156typedef __u64 v4l2_std_id;
1157
1158/* one bit for each */
1159#define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
1160#define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
1161#define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
1162#define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
1163#define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
1164#define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
1165#define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
1166#define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
1167
1168#define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
1169#define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
1170#define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
1171#define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
1172
1173#define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)       /* BTSC */
1174#define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)       /* EIA-J */
1175#define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
1176#define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)       /* FM A2 */
1177
1178#define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
1179#define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
1180#define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
1181#define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
1182#define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
1183#define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
1184#define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
1185#define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
1186
1187/* ATSC/HDTV */
1188#define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
1189#define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
1190
1191/* FIXME:
1192   Although std_id is 64 bits, there is an issue on PPC32 architecture that
1193   makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1194   this value to 32 bits.
1195   As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1196   it should work fine. However, if needed to add more than two standards,
1197   v4l2-common.c should be fixed.
1198 */
1199
1200/*
1201 * Some macros to merge video standards in order to make live easier for the
1202 * drivers and V4L2 applications
1203 */
1204
1205/*
1206 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1207 * Missing here.
1208 */
1209#define V4L2_STD_NTSC           (V4L2_STD_NTSC_M        |\
1210                                 V4L2_STD_NTSC_M_JP     |\
1211                                 V4L2_STD_NTSC_M_KR)
1212/* Secam macros */
1213#define V4L2_STD_SECAM_DK       (V4L2_STD_SECAM_D       |\
1214                                 V4L2_STD_SECAM_K       |\
1215                                 V4L2_STD_SECAM_K1)
1216/* All Secam Standards */
1217#define V4L2_STD_SECAM          (V4L2_STD_SECAM_B       |\
1218                                 V4L2_STD_SECAM_G       |\
1219                                 V4L2_STD_SECAM_H       |\
1220                                 V4L2_STD_SECAM_DK      |\
1221                                 V4L2_STD_SECAM_L       |\
1222                                 V4L2_STD_SECAM_LC)
1223/* PAL macros */
1224#define V4L2_STD_PAL_BG         (V4L2_STD_PAL_B         |\
1225                                 V4L2_STD_PAL_B1        |\
1226                                 V4L2_STD_PAL_G)
1227#define V4L2_STD_PAL_DK         (V4L2_STD_PAL_D         |\
1228                                 V4L2_STD_PAL_D1        |\
1229                                 V4L2_STD_PAL_K)
1230/*
1231 * "Common" PAL - This macro is there to be compatible with the old
1232 * V4L1 concept of "PAL": /BGDKHI.
1233 * Several PAL standards are missing here: /M, /N and /Nc
1234 */
1235#define V4L2_STD_PAL            (V4L2_STD_PAL_BG        |\
1236                                 V4L2_STD_PAL_DK        |\
1237                                 V4L2_STD_PAL_H         |\
1238                                 V4L2_STD_PAL_I)
1239/* Chroma "agnostic" standards */
1240#define V4L2_STD_B              (V4L2_STD_PAL_B         |\
1241                                 V4L2_STD_PAL_B1        |\
1242                                 V4L2_STD_SECAM_B)
1243#define V4L2_STD_G              (V4L2_STD_PAL_G         |\
1244                                 V4L2_STD_SECAM_G)
1245#define V4L2_STD_H              (V4L2_STD_PAL_H         |\
1246                                 V4L2_STD_SECAM_H)
1247#define V4L2_STD_L              (V4L2_STD_SECAM_L       |\
1248                                 V4L2_STD_SECAM_LC)
1249#define V4L2_STD_GH             (V4L2_STD_G             |\
1250                                 V4L2_STD_H)
1251#define V4L2_STD_DK             (V4L2_STD_PAL_DK        |\
1252                                 V4L2_STD_SECAM_DK)
1253#define V4L2_STD_BG             (V4L2_STD_B             |\
1254                                 V4L2_STD_G)
1255#define V4L2_STD_MN             (V4L2_STD_PAL_M         |\
1256                                 V4L2_STD_PAL_N         |\
1257                                 V4L2_STD_PAL_Nc        |\
1258                                 V4L2_STD_NTSC)
1259
1260/* Standards where MTS/BTSC stereo could be found */
1261#define V4L2_STD_MTS            (V4L2_STD_NTSC_M        |\
1262                                 V4L2_STD_PAL_M         |\
1263                                 V4L2_STD_PAL_N         |\
1264                                 V4L2_STD_PAL_Nc)
1265
1266/* Standards for Countries with 60Hz Line frequency */
1267#define V4L2_STD_525_60         (V4L2_STD_PAL_M         |\
1268                                 V4L2_STD_PAL_60        |\
1269                                 V4L2_STD_NTSC          |\
1270                                 V4L2_STD_NTSC_443)
1271/* Standards for Countries with 50Hz Line frequency */
1272#define V4L2_STD_625_50         (V4L2_STD_PAL           |\
1273                                 V4L2_STD_PAL_N         |\
1274                                 V4L2_STD_PAL_Nc        |\
1275                                 V4L2_STD_SECAM)
1276
1277#define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
1278                                 V4L2_STD_ATSC_16_VSB)
1279/* Macros with none and all analog standards */
1280#define V4L2_STD_UNKNOWN        0
1281#define V4L2_STD_ALL            (V4L2_STD_525_60        |\
1282                                 V4L2_STD_625_50)
1283
1284struct v4l2_standard {
1285        __u32                index;
1286        v4l2_std_id          id;
1287        __u8                 name[24];
1288        struct v4l2_fract    frameperiod; /* Frames, not fields */
1289        __u32                framelines;
1290        __u32                reserved[4];
1291};
1292
1293/*
1294 *      D V     B T     T I M I N G S
1295 */
1296
1297/** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1298 * @width:      total width of the active video in pixels
1299 * @height:     total height of the active video in lines
1300 * @interlaced: Interlaced or progressive
1301 * @polarities: Positive or negative polarities
1302 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1303 * @hfrontporch:Horizontal front porch in pixels
1304 * @hsync:      Horizontal Sync length in pixels
1305 * @hbackporch: Horizontal back porch in pixels
1306 * @vfrontporch:Vertical front porch in lines
1307 * @vsync:      Vertical Sync length in lines
1308 * @vbackporch: Vertical back porch in lines
1309 * @il_vfrontporch:Vertical front porch for the even field
1310 *              (aka field 2) of interlaced field formats
1311 * @il_vsync:   Vertical Sync length for the even field
1312 *              (aka field 2) of interlaced field formats
1313 * @il_vbackporch:Vertical back porch for the even field
1314 *              (aka field 2) of interlaced field formats
1315 * @standards:  Standards the timing belongs to
1316 * @flags:      Flags
1317 * @picture_aspect: The picture aspect ratio (hor/vert).
1318 * @cea861_vic: VIC code as per the CEA-861 standard.
1319 * @hdmi_vic:   VIC code as per the HDMI standard.
1320 * @reserved:   Reserved fields, must be zeroed.
1321 *
1322 * A note regarding vertical interlaced timings: height refers to the total
1323 * height of the active video frame (= two fields). The blanking timings refer
1324 * to the blanking of each field. So the height of the total frame is
1325 * calculated as follows:
1326 *
1327 * tot_height = height + vfrontporch + vsync + vbackporch +
1328 *                       il_vfrontporch + il_vsync + il_vbackporch
1329 *
1330 * The active height of each field is height / 2.
1331 */
1332struct v4l2_bt_timings {
1333        __u32   width;
1334        __u32   height;
1335        __u32   interlaced;
1336        __u32   polarities;
1337        __u64   pixelclock;
1338        __u32   hfrontporch;
1339        __u32   hsync;
1340        __u32   hbackporch;
1341        __u32   vfrontporch;
1342        __u32   vsync;
1343        __u32   vbackporch;
1344        __u32   il_vfrontporch;
1345        __u32   il_vsync;
1346        __u32   il_vbackporch;
1347        __u32   standards;
1348        __u32   flags;
1349        struct v4l2_fract picture_aspect;
1350        __u8    cea861_vic;
1351        __u8    hdmi_vic;
1352        __u8    reserved[46];
1353} __attribute__ ((packed));
1354
1355/* Interlaced or progressive format */
1356#define V4L2_DV_PROGRESSIVE     0
1357#define V4L2_DV_INTERLACED      1
1358
1359/* Polarities. If bit is not set, it is assumed to be negative polarity */
1360#define V4L2_DV_VSYNC_POS_POL   0x00000001
1361#define V4L2_DV_HSYNC_POS_POL   0x00000002
1362
1363/* Timings standards */
1364#define V4L2_DV_BT_STD_CEA861   (1 << 0)  /* CEA-861 Digital TV Profile */
1365#define V4L2_DV_BT_STD_DMT      (1 << 1)  /* VESA Discrete Monitor Timings */
1366#define V4L2_DV_BT_STD_CVT      (1 << 2)  /* VESA Coordinated Video Timings */
1367#define V4L2_DV_BT_STD_GTF      (1 << 3)  /* VESA Generalized Timings Formula */
1368#define V4L2_DV_BT_STD_SDI      (1 << 4)  /* SDI Timings */
1369
1370/* Flags */
1371
1372/*
1373 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1374 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1375 * intervals are reduced, allowing a higher resolution over the same
1376 * bandwidth. This is a read-only flag.
1377 */
1378#define V4L2_DV_FL_REDUCED_BLANKING             (1 << 0)
1379/*
1380 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1381 * of six. These formats can be optionally played at 1 / 1.001 speed.
1382 * This is a read-only flag.
1383 */
1384#define V4L2_DV_FL_CAN_REDUCE_FPS               (1 << 1)
1385/*
1386 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1387 * by receivers.
1388 * If the framerate of the format is a multiple of six, then the pixelclock
1389 * used to set up the transmitter is divided by 1.001 to make it compatible
1390 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1391 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1392 * such frequencies, then the flag will also be cleared.
1393 */
1394#define V4L2_DV_FL_REDUCED_FPS                  (1 << 2)
1395/*
1396 * Specific to interlaced formats: if set, then field 1 is really one half-line
1397 * longer and field 2 is really one half-line shorter, so each field has
1398 * exactly the same number of half-lines. Whether half-lines can be detected
1399 * or used depends on the hardware.
1400 */
1401#define V4L2_DV_FL_HALF_LINE                    (1 << 3)
1402/*
1403 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1404 * differ from other formats (commonly called IT formats) in that if RGB
1405 * encoding is used then by default the RGB values use limited range (i.e.
1406 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1407 * except for the 640x480 format are CE formats.
1408 */
1409#define V4L2_DV_FL_IS_CE_VIDEO                  (1 << 4)
1410/* Some formats like SMPTE-125M have an interlaced signal with a odd
1411 * total height. For these formats, if this flag is set, the first
1412 * field has the extra line. If not, it is the second field.
1413 */
1414#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE       (1 << 5)
1415/*
1416 * If set, then the picture_aspect field is valid. Otherwise assume that the
1417 * pixels are square, so the picture aspect ratio is the same as the width to
1418 * height ratio.
1419 */
1420#define V4L2_DV_FL_HAS_PICTURE_ASPECT           (1 << 6)
1421/*
1422 * If set, then the cea861_vic field is valid and contains the Video
1423 * Identification Code as per the CEA-861 standard.
1424 */
1425#define V4L2_DV_FL_HAS_CEA861_VIC               (1 << 7)
1426/*
1427 * If set, then the hdmi_vic field is valid and contains the Video
1428 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1429 * InfoFrame).
1430 */
1431#define V4L2_DV_FL_HAS_HDMI_VIC                 (1 << 8)
1432/*
1433 * CEA-861 specific: only valid for video receivers.
1434 * If set, then HW can detect the difference between regular FPS and
1435 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1436 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1437 */
1438#define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS       (1 << 9)
1439
1440/* A few useful defines to calculate the total blanking and frame sizes */
1441#define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1442        ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1443#define V4L2_DV_BT_FRAME_WIDTH(bt) \
1444        ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1445#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1446        ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1447         (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1448#define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1449        ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1450
1451/** struct v4l2_dv_timings - DV timings
1452 * @type:       the type of the timings
1453 * @bt: BT656/1120 timings
1454 */
1455struct v4l2_dv_timings {
1456        __u32 type;
1457        union {
1458                struct v4l2_bt_timings  bt;
1459                __u32   reserved[32];
1460        };
1461} __attribute__ ((packed));
1462
1463/* Values for the type field */
1464#define V4L2_DV_BT_656_1120     0       /* BT.656/1120 timing type */
1465
1466
1467/** struct v4l2_enum_dv_timings - DV timings enumeration
1468 * @index:      enumeration index
1469 * @pad:        the pad number for which to enumerate timings (used with
1470 *              v4l-subdev nodes only)
1471 * @reserved:   must be zeroed
1472 * @timings:    the timings for the given index
1473 */
1474struct v4l2_enum_dv_timings {
1475        __u32 index;
1476        __u32 pad;
1477        __u32 reserved[2];
1478        struct v4l2_dv_timings timings;
1479};
1480
1481/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1482 * @min_width:          width in pixels
1483 * @max_width:          width in pixels
1484 * @min_height:         height in lines
1485 * @max_height:         height in lines
1486 * @min_pixelclock:     Pixel clock in HZ. Ex. 74.25MHz->74250000
1487 * @max_pixelclock:     Pixel clock in HZ. Ex. 74.25MHz->74250000
1488 * @standards:          Supported standards
1489 * @capabilities:       Supported capabilities
1490 * @reserved:           Must be zeroed
1491 */
1492struct v4l2_bt_timings_cap {
1493        __u32   min_width;
1494        __u32   max_width;
1495        __u32   min_height;
1496        __u32   max_height;
1497        __u64   min_pixelclock;
1498        __u64   max_pixelclock;
1499        __u32   standards;
1500        __u32   capabilities;
1501        __u32   reserved[16];
1502} __attribute__ ((packed));
1503
1504/* Supports interlaced formats */
1505#define V4L2_DV_BT_CAP_INTERLACED       (1 << 0)
1506/* Supports progressive formats */
1507#define V4L2_DV_BT_CAP_PROGRESSIVE      (1 << 1)
1508/* Supports CVT/GTF reduced blanking */
1509#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1510/* Supports custom formats */
1511#define V4L2_DV_BT_CAP_CUSTOM           (1 << 3)
1512
1513/** struct v4l2_dv_timings_cap - DV timings capabilities
1514 * @type:       the type of the timings (same as in struct v4l2_dv_timings)
1515 * @pad:        the pad number for which to query capabilities (used with
1516 *              v4l-subdev nodes only)
1517 * @bt:         the BT656/1120 timings capabilities
1518 */
1519struct v4l2_dv_timings_cap {
1520        __u32 type;
1521        __u32 pad;
1522        __u32 reserved[2];
1523        union {
1524                struct v4l2_bt_timings_cap bt;
1525                __u32 raw_data[32];
1526        };
1527};
1528
1529
1530/*
1531 *      V I D E O   I N P U T S
1532 */
1533struct v4l2_input {
1534        __u32        index;             /*  Which input */
1535        __u8         name[32];          /*  Label */
1536        __u32        type;              /*  Type of input */
1537        __u32        audioset;          /*  Associated audios (bitfield) */
1538        __u32        tuner;             /*  enum v4l2_tuner_type */
1539        v4l2_std_id  std;
1540        __u32        status;
1541        __u32        capabilities;
1542        __u32        reserved[3];
1543};
1544
1545/*  Values for the 'type' field */
1546#define V4L2_INPUT_TYPE_TUNER           1
1547#define V4L2_INPUT_TYPE_CAMERA          2
1548#define V4L2_INPUT_TYPE_TOUCH           3
1549
1550/* field 'status' - general */
1551#define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
1552#define V4L2_IN_ST_NO_SIGNAL   0x00000002
1553#define V4L2_IN_ST_NO_COLOR    0x00000004
1554
1555/* field 'status' - sensor orientation */
1556/* If sensor is mounted upside down set both bits */
1557#define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
1558#define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
1559
1560/* field 'status' - analog */
1561#define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
1562#define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
1563#define V4L2_IN_ST_NO_V_LOCK   0x00000400  /* No vertical sync lock */
1564#define V4L2_IN_ST_NO_STD_LOCK 0x00000800  /* No standard format lock */
1565
1566/* field 'status' - digital */
1567#define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
1568#define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
1569#define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
1570
1571/* field 'status' - VCR and set-top box */
1572#define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
1573#define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
1574#define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
1575
1576/* capabilities flags */
1577#define V4L2_IN_CAP_DV_TIMINGS          0x00000002 /* Supports S_DV_TIMINGS */
1578#define V4L2_IN_CAP_CUSTOM_TIMINGS      V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1579#define V4L2_IN_CAP_STD                 0x00000004 /* Supports S_STD */
1580#define V4L2_IN_CAP_NATIVE_SIZE         0x00000008 /* Supports setting native size */
1581
1582/*
1583 *      V I D E O   O U T P U T S
1584 */
1585struct v4l2_output {
1586        __u32        index;             /*  Which output */
1587        __u8         name[32];          /*  Label */
1588        __u32        type;              /*  Type of output */
1589        __u32        audioset;          /*  Associated audios (bitfield) */
1590        __u32        modulator;         /*  Associated modulator */
1591        v4l2_std_id  std;
1592        __u32        capabilities;
1593        __u32        reserved[3];
1594};
1595/*  Values for the 'type' field */
1596#define V4L2_OUTPUT_TYPE_MODULATOR              1
1597#define V4L2_OUTPUT_TYPE_ANALOG                 2
1598#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY       3
1599
1600/* capabilities flags */
1601#define V4L2_OUT_CAP_DV_TIMINGS         0x00000002 /* Supports S_DV_TIMINGS */
1602#define V4L2_OUT_CAP_CUSTOM_TIMINGS     V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1603#define V4L2_OUT_CAP_STD                0x00000004 /* Supports S_STD */
1604#define V4L2_OUT_CAP_NATIVE_SIZE        0x00000008 /* Supports setting native size */
1605
1606/*
1607 *      C O N T R O L S
1608 */
1609struct v4l2_control {
1610        __u32                id;
1611        __s32                value;
1612};
1613
1614struct v4l2_ext_control {
1615        __u32 id;
1616        __u32 size;
1617        __u32 reserved2[1];
1618        union {
1619                __s32 value;
1620                __s64 value64;
1621                char __user *string;
1622                __u8 __user *p_u8;
1623                __u16 __user *p_u16;
1624                __u32 __user *p_u32;
1625                void __user *ptr;
1626        };
1627} __attribute__ ((packed));
1628
1629struct v4l2_ext_controls {
1630        union {
1631#ifndef __KERNEL__
1632                __u32 ctrl_class;
1633#endif
1634                __u32 which;
1635        };
1636        __u32 count;
1637        __u32 error_idx;
1638        __s32 request_fd;
1639        __u32 reserved[1];
1640        struct v4l2_ext_control *controls;
1641};
1642
1643#define V4L2_CTRL_ID_MASK         (0x0fffffff)
1644#ifndef __KERNEL__
1645#define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
1646#endif
1647#define V4L2_CTRL_ID2WHICH(id)    ((id) & 0x0fff0000UL)
1648#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1649#define V4L2_CTRL_MAX_DIMS        (4)
1650#define V4L2_CTRL_WHICH_CUR_VAL   0
1651#define V4L2_CTRL_WHICH_DEF_VAL   0x0f000000
1652#define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1653
1654enum v4l2_ctrl_type {
1655        V4L2_CTRL_TYPE_INTEGER       = 1,
1656        V4L2_CTRL_TYPE_BOOLEAN       = 2,
1657        V4L2_CTRL_TYPE_MENU          = 3,
1658        V4L2_CTRL_TYPE_BUTTON        = 4,
1659        V4L2_CTRL_TYPE_INTEGER64     = 5,
1660        V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
1661        V4L2_CTRL_TYPE_STRING        = 7,
1662        V4L2_CTRL_TYPE_BITMASK       = 8,
1663        V4L2_CTRL_TYPE_INTEGER_MENU  = 9,
1664
1665        /* Compound types are >= 0x0100 */
1666        V4L2_CTRL_COMPOUND_TYPES     = 0x0100,
1667        V4L2_CTRL_TYPE_U8            = 0x0100,
1668        V4L2_CTRL_TYPE_U16           = 0x0101,
1669        V4L2_CTRL_TYPE_U32           = 0x0102,
1670};
1671
1672/*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1673struct v4l2_queryctrl {
1674        __u32                id;
1675        __u32                type;      /* enum v4l2_ctrl_type */
1676        __u8                 name[32];  /* Whatever */
1677        __s32                minimum;   /* Note signedness */
1678        __s32                maximum;
1679        __s32                step;
1680        __s32                default_value;
1681        __u32                flags;
1682        __u32                reserved[2];
1683};
1684
1685/*  Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1686struct v4l2_query_ext_ctrl {
1687        __u32                id;
1688        __u32                type;
1689        char                 name[32];
1690        __s64                minimum;
1691        __s64                maximum;
1692        __u64                step;
1693        __s64                default_value;
1694        __u32                flags;
1695        __u32                elem_size;
1696        __u32                elems;
1697        __u32                nr_of_dims;
1698        __u32                dims[V4L2_CTRL_MAX_DIMS];
1699        __u32                reserved[32];
1700};
1701
1702/*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1703struct v4l2_querymenu {
1704        __u32           id;
1705        __u32           index;
1706        union {
1707                __u8    name[32];       /* Whatever */
1708                __s64   value;
1709        };
1710        __u32           reserved;
1711} __attribute__ ((packed));
1712
1713/*  Control flags  */
1714#define V4L2_CTRL_FLAG_DISABLED         0x0001
1715#define V4L2_CTRL_FLAG_GRABBED          0x0002
1716#define V4L2_CTRL_FLAG_READ_ONLY        0x0004
1717#define V4L2_CTRL_FLAG_UPDATE           0x0008
1718#define V4L2_CTRL_FLAG_INACTIVE         0x0010
1719#define V4L2_CTRL_FLAG_SLIDER           0x0020
1720#define V4L2_CTRL_FLAG_WRITE_ONLY       0x0040
1721#define V4L2_CTRL_FLAG_VOLATILE         0x0080
1722#define V4L2_CTRL_FLAG_HAS_PAYLOAD      0x0100
1723#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1724#define V4L2_CTRL_FLAG_MODIFY_LAYOUT    0x0400
1725
1726/*  Query flags, to be ORed with the control ID */
1727#define V4L2_CTRL_FLAG_NEXT_CTRL        0x80000000
1728#define V4L2_CTRL_FLAG_NEXT_COMPOUND    0x40000000
1729
1730/*  User-class control IDs defined by V4L2 */
1731#define V4L2_CID_MAX_CTRLS              1024
1732/*  IDs reserved for driver specific controls */
1733#define V4L2_CID_PRIVATE_BASE           0x08000000
1734
1735
1736/*
1737 *      T U N I N G
1738 */
1739struct v4l2_tuner {
1740        __u32                   index;
1741        __u8                    name[32];
1742        __u32                   type;   /* enum v4l2_tuner_type */
1743        __u32                   capability;
1744        __u32                   rangelow;
1745        __u32                   rangehigh;
1746        __u32                   rxsubchans;
1747        __u32                   audmode;
1748        __s32                   signal;
1749        __s32                   afc;
1750        __u32                   reserved[4];
1751};
1752
1753struct v4l2_modulator {
1754        __u32                   index;
1755        __u8                    name[32];
1756        __u32                   capability;
1757        __u32                   rangelow;
1758        __u32                   rangehigh;
1759        __u32                   txsubchans;
1760        __u32                   type;   /* enum v4l2_tuner_type */
1761        __u32                   reserved[3];
1762};
1763
1764/*  Flags for the 'capability' field */
1765#define V4L2_TUNER_CAP_LOW              0x0001
1766#define V4L2_TUNER_CAP_NORM             0x0002
1767#define V4L2_TUNER_CAP_HWSEEK_BOUNDED   0x0004
1768#define V4L2_TUNER_CAP_HWSEEK_WRAP      0x0008
1769#define V4L2_TUNER_CAP_STEREO           0x0010
1770#define V4L2_TUNER_CAP_LANG2            0x0020
1771#define V4L2_TUNER_CAP_SAP              0x0020
1772#define V4L2_TUNER_CAP_LANG1            0x0040
1773#define V4L2_TUNER_CAP_RDS              0x0080
1774#define V4L2_TUNER_CAP_RDS_BLOCK_IO     0x0100
1775#define V4L2_TUNER_CAP_RDS_CONTROLS     0x0200
1776#define V4L2_TUNER_CAP_FREQ_BANDS       0x0400
1777#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM  0x0800
1778#define V4L2_TUNER_CAP_1HZ              0x1000
1779
1780/*  Flags for the 'rxsubchans' field */
1781#define V4L2_TUNER_SUB_MONO             0x0001
1782#define V4L2_TUNER_SUB_STEREO           0x0002
1783#define V4L2_TUNER_SUB_LANG2            0x0004
1784#define V4L2_TUNER_SUB_SAP              0x0004
1785#define V4L2_TUNER_SUB_LANG1            0x0008
1786#define V4L2_TUNER_SUB_RDS              0x0010
1787
1788/*  Values for the 'audmode' field */
1789#define V4L2_TUNER_MODE_MONO            0x0000
1790#define V4L2_TUNER_MODE_STEREO          0x0001
1791#define V4L2_TUNER_MODE_LANG2           0x0002
1792#define V4L2_TUNER_MODE_SAP             0x0002
1793#define V4L2_TUNER_MODE_LANG1           0x0003
1794#define V4L2_TUNER_MODE_LANG1_LANG2     0x0004
1795
1796struct v4l2_frequency {
1797        __u32   tuner;
1798        __u32   type;   /* enum v4l2_tuner_type */
1799        __u32   frequency;
1800        __u32   reserved[8];
1801};
1802
1803#define V4L2_BAND_MODULATION_VSB        (1 << 1)
1804#define V4L2_BAND_MODULATION_FM         (1 << 2)
1805#define V4L2_BAND_MODULATION_AM         (1 << 3)
1806
1807struct v4l2_frequency_band {
1808        __u32   tuner;
1809        __u32   type;   /* enum v4l2_tuner_type */
1810        __u32   index;
1811        __u32   capability;
1812        __u32   rangelow;
1813        __u32   rangehigh;
1814        __u32   modulation;
1815        __u32   reserved[9];
1816};
1817
1818struct v4l2_hw_freq_seek {
1819        __u32   tuner;
1820        __u32   type;   /* enum v4l2_tuner_type */
1821        __u32   seek_upward;
1822        __u32   wrap_around;
1823        __u32   spacing;
1824        __u32   rangelow;
1825        __u32   rangehigh;
1826        __u32   reserved[5];
1827};
1828
1829/*
1830 *      R D S
1831 */
1832
1833struct v4l2_rds_data {
1834        __u8    lsb;
1835        __u8    msb;
1836        __u8    block;
1837} __attribute__ ((packed));
1838
1839#define V4L2_RDS_BLOCK_MSK       0x7
1840#define V4L2_RDS_BLOCK_A         0
1841#define V4L2_RDS_BLOCK_B         1
1842#define V4L2_RDS_BLOCK_C         2
1843#define V4L2_RDS_BLOCK_D         3
1844#define V4L2_RDS_BLOCK_C_ALT     4
1845#define V4L2_RDS_BLOCK_INVALID   7
1846
1847#define V4L2_RDS_BLOCK_CORRECTED 0x40
1848#define V4L2_RDS_BLOCK_ERROR     0x80
1849
1850/*
1851 *      A U D I O
1852 */
1853struct v4l2_audio {
1854        __u32   index;
1855        __u8    name[32];
1856        __u32   capability;
1857        __u32   mode;
1858        __u32   reserved[2];
1859};
1860
1861/*  Flags for the 'capability' field */
1862#define V4L2_AUDCAP_STEREO              0x00001
1863#define V4L2_AUDCAP_AVL                 0x00002
1864
1865/*  Flags for the 'mode' field */
1866#define V4L2_AUDMODE_AVL                0x00001
1867
1868struct v4l2_audioout {
1869        __u32   index;
1870        __u8    name[32];
1871        __u32   capability;
1872        __u32   mode;
1873        __u32   reserved[2];
1874};
1875
1876/*
1877 *      M P E G   S E R V I C E S
1878 */
1879#if 1
1880#define V4L2_ENC_IDX_FRAME_I    (0)
1881#define V4L2_ENC_IDX_FRAME_P    (1)
1882#define V4L2_ENC_IDX_FRAME_B    (2)
1883#define V4L2_ENC_IDX_FRAME_MASK (0xf)
1884
1885struct v4l2_enc_idx_entry {
1886        __u64 offset;
1887        __u64 pts;
1888        __u32 length;
1889        __u32 flags;
1890        __u32 reserved[2];
1891};
1892
1893#define V4L2_ENC_IDX_ENTRIES (64)
1894struct v4l2_enc_idx {
1895        __u32 entries;
1896        __u32 entries_cap;
1897        __u32 reserved[4];
1898        struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1899};
1900
1901
1902#define V4L2_ENC_CMD_START      (0)
1903#define V4L2_ENC_CMD_STOP       (1)
1904#define V4L2_ENC_CMD_PAUSE      (2)
1905#define V4L2_ENC_CMD_RESUME     (3)
1906
1907/* Flags for V4L2_ENC_CMD_STOP */
1908#define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
1909
1910struct v4l2_encoder_cmd {
1911        __u32 cmd;
1912        __u32 flags;
1913        union {
1914                struct {
1915                        __u32 data[8];
1916                } raw;
1917        };
1918};
1919
1920/* Decoder commands */
1921#define V4L2_DEC_CMD_START       (0)
1922#define V4L2_DEC_CMD_STOP        (1)
1923#define V4L2_DEC_CMD_PAUSE       (2)
1924#define V4L2_DEC_CMD_RESUME      (3)
1925
1926/* Flags for V4L2_DEC_CMD_START */
1927#define V4L2_DEC_CMD_START_MUTE_AUDIO   (1 << 0)
1928
1929/* Flags for V4L2_DEC_CMD_PAUSE */
1930#define V4L2_DEC_CMD_PAUSE_TO_BLACK     (1 << 0)
1931
1932/* Flags for V4L2_DEC_CMD_STOP */
1933#define V4L2_DEC_CMD_STOP_TO_BLACK      (1 << 0)
1934#define V4L2_DEC_CMD_STOP_IMMEDIATELY   (1 << 1)
1935
1936/* Play format requirements (returned by the driver): */
1937
1938/* The decoder has no special format requirements */
1939#define V4L2_DEC_START_FMT_NONE         (0)
1940/* The decoder requires full GOPs */
1941#define V4L2_DEC_START_FMT_GOP          (1)
1942
1943/* The structure must be zeroed before use by the application
1944   This ensures it can be extended safely in the future. */
1945struct v4l2_decoder_cmd {
1946        __u32 cmd;
1947        __u32 flags;
1948        union {
1949                struct {
1950                        __u64 pts;
1951                } stop;
1952
1953                struct {
1954                        /* 0 or 1000 specifies normal speed,
1955                           1 specifies forward single stepping,
1956                           -1 specifies backward single stepping,
1957                           >1: playback at speed/1000 of the normal speed,
1958                           <-1: reverse playback at (-speed/1000) of the normal speed. */
1959                        __s32 speed;
1960                        __u32 format;
1961                } start;
1962
1963                struct {
1964                        __u32 data[16];
1965                } raw;
1966        };
1967};
1968#endif
1969
1970
1971/*
1972 *      D A T A   S E R V I C E S   ( V B I )
1973 *
1974 *      Data services API by Michael Schimek
1975 */
1976
1977/* Raw VBI */
1978struct v4l2_vbi_format {
1979        __u32   sampling_rate;          /* in 1 Hz */
1980        __u32   offset;
1981        __u32   samples_per_line;
1982        __u32   sample_format;          /* V4L2_PIX_FMT_* */
1983        __s32   start[2];
1984        __u32   count[2];
1985        __u32   flags;                  /* V4L2_VBI_* */
1986        __u32   reserved[2];            /* must be zero */
1987};
1988
1989/*  VBI flags  */
1990#define V4L2_VBI_UNSYNC         (1 << 0)
1991#define V4L2_VBI_INTERLACED     (1 << 1)
1992
1993/* ITU-R start lines for each field */
1994#define V4L2_VBI_ITU_525_F1_START (1)
1995#define V4L2_VBI_ITU_525_F2_START (264)
1996#define V4L2_VBI_ITU_625_F1_START (1)
1997#define V4L2_VBI_ITU_625_F2_START (314)
1998
1999/* Sliced VBI
2000 *
2001 *    This implements is a proposal V4L2 API to allow SLICED VBI
2002 * required for some hardware encoders. It should change without
2003 * notice in the definitive implementation.
2004 */
2005
2006struct v4l2_sliced_vbi_format {
2007        __u16   service_set;
2008        /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2009           service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2010                                 (equals frame lines 313-336 for 625 line video
2011                                  standards, 263-286 for 525 line standards) */
2012        __u16   service_lines[2][24];
2013        __u32   io_size;
2014        __u32   reserved[2];            /* must be zero */
2015};
2016
2017/* Teletext World System Teletext
2018   (WST), defined on ITU-R BT.653-2 */
2019#define V4L2_SLICED_TELETEXT_B          (0x0001)
2020/* Video Program System, defined on ETS 300 231*/
2021#define V4L2_SLICED_VPS                 (0x0400)
2022/* Closed Caption, defined on EIA-608 */
2023#define V4L2_SLICED_CAPTION_525         (0x1000)
2024/* Wide Screen System, defined on ITU-R BT1119.1 */
2025#define V4L2_SLICED_WSS_625             (0x4000)
2026
2027#define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
2028#define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2029
2030struct v4l2_sliced_vbi_cap {
2031        __u16   service_set;
2032        /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2033           service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2034                                 (equals frame lines 313-336 for 625 line video
2035                                  standards, 263-286 for 525 line standards) */
2036        __u16   service_lines[2][24];
2037        __u32   type;           /* enum v4l2_buf_type */
2038        __u32   reserved[3];    /* must be 0 */
2039};
2040
2041struct v4l2_sliced_vbi_data {
2042        __u32   id;
2043        __u32   field;          /* 0: first field, 1: second field */
2044        __u32   line;           /* 1-23 */
2045        __u32   reserved;       /* must be 0 */
2046        __u8    data[48];
2047};
2048
2049/*
2050 * Sliced VBI data inserted into MPEG Streams
2051 */
2052
2053/*
2054 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2055 *
2056 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2057 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2058 * data
2059 *
2060 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2061 * definitions are not included here.  See the MPEG-2 specifications for details
2062 * on these headers.
2063 */
2064
2065/* Line type IDs */
2066#define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
2067#define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
2068#define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
2069#define V4L2_MPEG_VBI_IVTV_VPS            (7)
2070
2071struct v4l2_mpeg_vbi_itv0_line {
2072        __u8 id;        /* One of V4L2_MPEG_VBI_IVTV_* above */
2073        __u8 data[42];  /* Sliced VBI data for the line */
2074} __attribute__ ((packed));
2075
2076struct v4l2_mpeg_vbi_itv0 {
2077        __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2078        struct v4l2_mpeg_vbi_itv0_line line[35];
2079} __attribute__ ((packed));
2080
2081struct v4l2_mpeg_vbi_ITV0 {
2082        struct v4l2_mpeg_vbi_itv0_line line[36];
2083} __attribute__ ((packed));
2084
2085#define V4L2_MPEG_VBI_IVTV_MAGIC0       "itv0"
2086#define V4L2_MPEG_VBI_IVTV_MAGIC1       "ITV0"
2087
2088struct v4l2_mpeg_vbi_fmt_ivtv {
2089        __u8 magic[4];
2090        union {
2091                struct v4l2_mpeg_vbi_itv0 itv0;
2092                struct v4l2_mpeg_vbi_ITV0 ITV0;
2093        };
2094} __attribute__ ((packed));
2095
2096/*
2097 *      A G G R E G A T E   S T R U C T U R E S
2098 */
2099
2100/**
2101 * struct v4l2_plane_pix_format - additional, per-plane format definition
2102 * @sizeimage:          maximum size in bytes required for data, for which
2103 *                      this plane will be used
2104 * @bytesperline:       distance in bytes between the leftmost pixels in two
2105 *                      adjacent lines
2106 */
2107struct v4l2_plane_pix_format {
2108        __u32           sizeimage;
2109        __u32           bytesperline;
2110        __u16           reserved[6];
2111} __attribute__ ((packed));
2112
2113/**
2114 * struct v4l2_pix_format_mplane - multiplanar format definition
2115 * @width:              image width in pixels
2116 * @height:             image height in pixels
2117 * @pixelformat:        little endian four character code (fourcc)
2118 * @field:              enum v4l2_field; field order (for interlaced video)
2119 * @colorspace:         enum v4l2_colorspace; supplemental to pixelformat
2120 * @plane_fmt:          per-plane information
2121 * @num_planes:         number of planes for this format
2122 * @flags:              format flags (V4L2_PIX_FMT_FLAG_*)
2123 * @ycbcr_enc:          enum v4l2_ycbcr_encoding, Y'CbCr encoding
2124 * @quantization:       enum v4l2_quantization, colorspace quantization
2125 * @xfer_func:          enum v4l2_xfer_func, colorspace transfer function
2126 */
2127struct v4l2_pix_format_mplane {
2128        __u32                           width;
2129        __u32                           height;
2130        __u32                           pixelformat;
2131        __u32                           field;
2132        __u32                           colorspace;
2133
2134        struct v4l2_plane_pix_format    plane_fmt[VIDEO_MAX_PLANES];
2135        __u8                            num_planes;
2136        __u8                            flags;
2137         union {
2138                __u8                            ycbcr_enc;
2139                __u8                            hsv_enc;
2140        };
2141        __u8                            quantization;
2142        __u8                            xfer_func;
2143        __u8                            reserved[7];
2144} __attribute__ ((packed));
2145
2146/**
2147 * struct v4l2_sdr_format - SDR format definition
2148 * @pixelformat:        little endian four character code (fourcc)
2149 * @buffersize:         maximum size in bytes required for data
2150 */
2151struct v4l2_sdr_format {
2152        __u32                           pixelformat;
2153        __u32                           buffersize;
2154        __u8                            reserved[24];
2155} __attribute__ ((packed));
2156
2157/**
2158 * struct v4l2_meta_format - metadata format definition
2159 * @dataformat:         little endian four character code (fourcc)
2160 * @buffersize:         maximum size in bytes required for data
2161 */
2162struct v4l2_meta_format {
2163        __u32                           dataformat;
2164        __u32                           buffersize;
2165} __attribute__ ((packed));
2166
2167/**
2168 * struct v4l2_format - stream data format
2169 * @type:       enum v4l2_buf_type; type of the data stream
2170 * @pix:        definition of an image format
2171 * @pix_mp:     definition of a multiplanar image format
2172 * @win:        definition of an overlaid image
2173 * @vbi:        raw VBI capture or output parameters
2174 * @sliced:     sliced VBI capture or output parameters
2175 * @raw_data:   placeholder for future extensions and custom formats
2176 */
2177struct v4l2_format {
2178        __u32    type;
2179        union {
2180                struct v4l2_pix_format          pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2181                struct v4l2_pix_format_mplane   pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2182                struct v4l2_window              win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2183                struct v4l2_vbi_format          vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
2184                struct v4l2_sliced_vbi_format   sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2185                struct v4l2_sdr_format          sdr;     /* V4L2_BUF_TYPE_SDR_CAPTURE */
2186                struct v4l2_meta_format         meta;    /* V4L2_BUF_TYPE_META_CAPTURE */
2187                __u8    raw_data[200];                   /* user-defined */
2188        } fmt;
2189};
2190
2191/*      Stream type-dependent parameters
2192 */
2193struct v4l2_streamparm {
2194        __u32    type;                  /* enum v4l2_buf_type */
2195        union {
2196                struct v4l2_captureparm capture;
2197                struct v4l2_outputparm  output;
2198                __u8    raw_data[200];  /* user-defined */
2199        } parm;
2200};
2201
2202/*
2203 *      E V E N T S
2204 */
2205
2206#define V4L2_EVENT_ALL                          0
2207#define V4L2_EVENT_VSYNC                        1
2208#define V4L2_EVENT_EOS                          2
2209#define V4L2_EVENT_CTRL                         3
2210#define V4L2_EVENT_FRAME_SYNC                   4
2211#define V4L2_EVENT_SOURCE_CHANGE                5
2212#define V4L2_EVENT_MOTION_DET                   6
2213#define V4L2_EVENT_PRIVATE_START                0x08000000
2214
2215/* Payload for V4L2_EVENT_VSYNC */
2216struct v4l2_event_vsync {
2217        /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2218        __u8 field;
2219} __attribute__ ((packed));
2220
2221/* Payload for V4L2_EVENT_CTRL */
2222#define V4L2_EVENT_CTRL_CH_VALUE                (1 << 0)
2223#define V4L2_EVENT_CTRL_CH_FLAGS                (1 << 1)
2224#define V4L2_EVENT_CTRL_CH_RANGE                (1 << 2)
2225
2226struct v4l2_event_ctrl {
2227        __u32 changes;
2228        __u32 type;
2229        union {
2230                __s32 value;
2231                __s64 value64;
2232        };
2233        __u32 flags;
2234        __s32 minimum;
2235        __s32 maximum;
2236        __s32 step;
2237        __s32 default_value;
2238};
2239
2240struct v4l2_event_frame_sync {
2241        __u32 frame_sequence;
2242};
2243
2244#define V4L2_EVENT_SRC_CH_RESOLUTION            (1 << 0)
2245
2246struct v4l2_event_src_change {
2247        __u32 changes;
2248};
2249
2250#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2251
2252/**
2253 * struct v4l2_event_motion_det - motion detection event
2254 * @flags:             if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2255 *                     frame_sequence field is valid.
2256 * @frame_sequence:    the frame sequence number associated with this event.
2257 * @region_mask:       which regions detected motion.
2258 */
2259struct v4l2_event_motion_det {
2260        __u32 flags;
2261        __u32 frame_sequence;
2262        __u32 region_mask;
2263};
2264
2265struct v4l2_event {
2266        __u32                           type;
2267        union {
2268                struct v4l2_event_vsync         vsync;
2269                struct v4l2_event_ctrl          ctrl;
2270                struct v4l2_event_frame_sync    frame_sync;
2271                struct v4l2_event_src_change    src_change;
2272                struct v4l2_event_motion_det    motion_det;
2273                __u8                            data[64];
2274        } u;
2275        __u32                           pending;
2276        __u32                           sequence;
2277        struct timespec                 timestamp;
2278        __u32                           id;
2279        __u32                           reserved[8];
2280};
2281
2282#define V4L2_EVENT_SUB_FL_SEND_INITIAL          (1 << 0)
2283#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK        (1 << 1)
2284
2285struct v4l2_event_subscription {
2286        __u32                           type;
2287        __u32                           id;
2288        __u32                           flags;
2289        __u32                           reserved[5];
2290};
2291
2292/*
2293 *      A D V A N C E D   D E B U G G I N G
2294 *
2295 *      NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2296 *      FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2297 */
2298
2299/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2300
2301#define V4L2_CHIP_MATCH_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
2302#define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
2303
2304/* The following four defines are no longer in use */
2305#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2306#define V4L2_CHIP_MATCH_I2C_DRIVER  1  /* Match against I2C driver name */
2307#define V4L2_CHIP_MATCH_I2C_ADDR    2  /* Match against I2C 7-bit address */
2308#define V4L2_CHIP_MATCH_AC97        3  /* Match against ancillary AC97 chip */
2309
2310struct v4l2_dbg_match {
2311        __u32 type; /* Match type */
2312        union {     /* Match this chip, meaning determined by type */
2313                __u32 addr;
2314                char name[32];
2315        };
2316} __attribute__ ((packed));
2317
2318struct v4l2_dbg_register {
2319        struct v4l2_dbg_match match;
2320        __u32 size;     /* register size in bytes */
2321        __u64 reg;
2322        __u64 val;
2323} __attribute__ ((packed));
2324
2325#define V4L2_CHIP_FL_READABLE (1 << 0)
2326#define V4L2_CHIP_FL_WRITABLE (1 << 1)
2327
2328/* VIDIOC_DBG_G_CHIP_INFO */
2329struct v4l2_dbg_chip_info {
2330        struct v4l2_dbg_match match;
2331        char name[32];
2332        __u32 flags;
2333        __u32 reserved[32];
2334} __attribute__ ((packed));
2335
2336/**
2337 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2338 * @index:      on return, index of the first created buffer
2339 * @count:      entry: number of requested buffers,
2340 *              return: number of created buffers
2341 * @memory:     enum v4l2_memory; buffer memory type
2342 * @format:     frame format, for which buffers are requested
2343 * @capabilities: capabilities of this buffer type.
2344 * @reserved:   future extensions
2345 */
2346struct v4l2_create_buffers {
2347        __u32                   index;
2348        __u32                   count;
2349        __u32                   memory;
2350        struct v4l2_format      format;
2351        __u32                   capabilities;
2352        __u32                   reserved[7];
2353};
2354
2355/*
2356 *      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
2357 *
2358 */
2359#define VIDIOC_QUERYCAP          _IOR('V',  0, struct v4l2_capability)
2360#define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
2361#define VIDIOC_G_FMT            _IOWR('V',  4, struct v4l2_format)
2362#define VIDIOC_S_FMT            _IOWR('V',  5, struct v4l2_format)
2363#define VIDIOC_REQBUFS          _IOWR('V',  8, struct v4l2_requestbuffers)
2364#define VIDIOC_QUERYBUF         _IOWR('V',  9, struct v4l2_buffer)
2365#define VIDIOC_G_FBUF            _IOR('V', 10, struct v4l2_framebuffer)
2366#define VIDIOC_S_FBUF            _IOW('V', 11, struct v4l2_framebuffer)
2367#define VIDIOC_OVERLAY           _IOW('V', 14, int)
2368#define VIDIOC_QBUF             _IOWR('V', 15, struct v4l2_buffer)
2369#define VIDIOC_EXPBUF           _IOWR('V', 16, struct v4l2_exportbuffer)
2370#define VIDIOC_DQBUF            _IOWR('V', 17, struct v4l2_buffer)
2371#define VIDIOC_STREAMON          _IOW('V', 18, int)
2372#define VIDIOC_STREAMOFF         _IOW('V', 19, int)
2373#define VIDIOC_G_PARM           _IOWR('V', 21, struct v4l2_streamparm)
2374#define VIDIOC_S_PARM           _IOWR('V', 22, struct v4l2_streamparm)
2375#define VIDIOC_G_STD             _IOR('V', 23, v4l2_std_id)
2376#define VIDIOC_S_STD             _IOW('V', 24, v4l2_std_id)
2377#define VIDIOC_ENUMSTD          _IOWR('V', 25, struct v4l2_standard)
2378#define VIDIOC_ENUMINPUT        _IOWR('V', 26, struct v4l2_input)
2379#define VIDIOC_G_CTRL           _IOWR('V', 27, struct v4l2_control)
2380#define VIDIOC_S_CTRL           _IOWR('V', 28, struct v4l2_control)
2381#define VIDIOC_G_TUNER          _IOWR('V', 29, struct v4l2_tuner)
2382#define VIDIOC_S_TUNER           _IOW('V', 30, struct v4l2_tuner)
2383#define VIDIOC_G_AUDIO           _IOR('V', 33, struct v4l2_audio)
2384#define VIDIOC_S_AUDIO           _IOW('V', 34, struct v4l2_audio)
2385#define VIDIOC_QUERYCTRL        _IOWR('V', 36, struct v4l2_queryctrl)
2386#define VIDIOC_QUERYMENU        _IOWR('V', 37, struct v4l2_querymenu)
2387#define VIDIOC_G_INPUT           _IOR('V', 38, int)
2388#define VIDIOC_S_INPUT          _IOWR('V', 39, int)
2389#define VIDIOC_G_EDID           _IOWR('V', 40, struct v4l2_edid)
2390#define VIDIOC_S_EDID           _IOWR('V', 41, struct v4l2_edid)
2391#define VIDIOC_G_OUTPUT          _IOR('V', 46, int)
2392#define VIDIOC_S_OUTPUT         _IOWR('V', 47, int)
2393#define VIDIOC_ENUMOUTPUT       _IOWR('V', 48, struct v4l2_output)
2394#define VIDIOC_G_AUDOUT          _IOR('V', 49, struct v4l2_audioout)
2395#define VIDIOC_S_AUDOUT          _IOW('V', 50, struct v4l2_audioout)
2396#define VIDIOC_G_MODULATOR      _IOWR('V', 54, struct v4l2_modulator)
2397#define VIDIOC_S_MODULATOR       _IOW('V', 55, struct v4l2_modulator)
2398#define VIDIOC_G_FREQUENCY      _IOWR('V', 56, struct v4l2_frequency)
2399#define VIDIOC_S_FREQUENCY       _IOW('V', 57, struct v4l2_frequency)
2400#define VIDIOC_CROPCAP          _IOWR('V', 58, struct v4l2_cropcap)
2401#define VIDIOC_G_CROP           _IOWR('V', 59, struct v4l2_crop)
2402#define VIDIOC_S_CROP            _IOW('V', 60, struct v4l2_crop)
2403#define VIDIOC_G_JPEGCOMP        _IOR('V', 61, struct v4l2_jpegcompression)
2404#define VIDIOC_S_JPEGCOMP        _IOW('V', 62, struct v4l2_jpegcompression)
2405#define VIDIOC_QUERYSTD          _IOR('V', 63, v4l2_std_id)
2406#define VIDIOC_TRY_FMT          _IOWR('V', 64, struct v4l2_format)
2407#define VIDIOC_ENUMAUDIO        _IOWR('V', 65, struct v4l2_audio)
2408#define VIDIOC_ENUMAUDOUT       _IOWR('V', 66, struct v4l2_audioout)
2409#define VIDIOC_G_PRIORITY        _IOR('V', 67, __u32) /* enum v4l2_priority */
2410#define VIDIOC_S_PRIORITY        _IOW('V', 68, __u32) /* enum v4l2_priority */
2411#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2412#define VIDIOC_LOG_STATUS         _IO('V', 70)
2413#define VIDIOC_G_EXT_CTRLS      _IOWR('V', 71, struct v4l2_ext_controls)
2414#define VIDIOC_S_EXT_CTRLS      _IOWR('V', 72, struct v4l2_ext_controls)
2415#define VIDIOC_TRY_EXT_CTRLS    _IOWR('V', 73, struct v4l2_ext_controls)
2416#define VIDIOC_ENUM_FRAMESIZES  _IOWR('V', 74, struct v4l2_frmsizeenum)
2417#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2418#define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
2419#define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
2420#define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
2421
2422/*
2423 * Experimental, meant for debugging, testing and internal use.
2424 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2425 * You must be root to use these ioctls. Never use these in applications!
2426 */
2427#define VIDIOC_DBG_S_REGISTER    _IOW('V', 79, struct v4l2_dbg_register)
2428#define VIDIOC_DBG_G_REGISTER   _IOWR('V', 80, struct v4l2_dbg_register)
2429
2430#define VIDIOC_S_HW_FREQ_SEEK    _IOW('V', 82, struct v4l2_hw_freq_seek)
2431#define VIDIOC_S_DV_TIMINGS     _IOWR('V', 87, struct v4l2_dv_timings)
2432#define VIDIOC_G_DV_TIMINGS     _IOWR('V', 88, struct v4l2_dv_timings)
2433#define VIDIOC_DQEVENT           _IOR('V', 89, struct v4l2_event)
2434#define VIDIOC_SUBSCRIBE_EVENT   _IOW('V', 90, struct v4l2_event_subscription)
2435#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2436#define VIDIOC_CREATE_BUFS      _IOWR('V', 92, struct v4l2_create_buffers)
2437#define VIDIOC_PREPARE_BUF      _IOWR('V', 93, struct v4l2_buffer)
2438#define VIDIOC_G_SELECTION      _IOWR('V', 94, struct v4l2_selection)
2439#define VIDIOC_S_SELECTION      _IOWR('V', 95, struct v4l2_selection)
2440#define VIDIOC_DECODER_CMD      _IOWR('V', 96, struct v4l2_decoder_cmd)
2441#define VIDIOC_TRY_DECODER_CMD  _IOWR('V', 97, struct v4l2_decoder_cmd)
2442#define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
2443#define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
2444#define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
2445#define VIDIOC_ENUM_FREQ_BANDS  _IOWR('V', 101, struct v4l2_frequency_band)
2446
2447/*
2448 * Experimental, meant for debugging, testing and internal use.
2449 * Never use this in applications!
2450 */
2451#define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)
2452
2453#define VIDIOC_QUERY_EXT_CTRL   _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2454
2455/* Reminder: when adding new ioctls please add support for them to
2456   drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2457
2458#define BASE_VIDIOC_PRIVATE     192             /* 192-255 are private */
2459
2460#endif /* _UAPI__LINUX_VIDEODEV2_H */
2461