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