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) | (1U << 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 #define V4L2_FIELD_IS_INTERLACED(field) \ 134 ((field) == V4L2_FIELD_INTERLACED ||\ 135 (field) == V4L2_FIELD_INTERLACED_TB ||\ 136 (field) == V4L2_FIELD_INTERLACED_BT) 137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \ 138 ((field) == V4L2_FIELD_SEQ_TB ||\ 139 (field) == V4L2_FIELD_SEQ_BT) 140 141 enum v4l2_buf_type { 142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 145 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 146 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 152 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 153 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 154 V4L2_BUF_TYPE_META_CAPTURE = 13, 155 V4L2_BUF_TYPE_META_OUTPUT = 14, 156 /* Deprecated, do not use */ 157 V4L2_BUF_TYPE_PRIVATE = 0x80, 158 }; 159 160 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 163 164 #define V4L2_TYPE_IS_OUTPUT(type) \ 165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 172 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 173 174 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) 175 176 enum v4l2_tuner_type { 177 V4L2_TUNER_RADIO = 1, 178 V4L2_TUNER_ANALOG_TV = 2, 179 V4L2_TUNER_DIGITAL_TV = 3, 180 V4L2_TUNER_SDR = 4, 181 V4L2_TUNER_RF = 5, 182 }; 183 184 /* Deprecated, do not use */ 185 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 186 187 enum v4l2_memory { 188 V4L2_MEMORY_MMAP = 1, 189 V4L2_MEMORY_USERPTR = 2, 190 V4L2_MEMORY_OVERLAY = 3, 191 V4L2_MEMORY_DMABUF = 4, 192 }; 193 194 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 195 enum v4l2_colorspace { 196 /* 197 * Default colorspace, i.e. let the driver figure it out. 198 * Can only be used with video capture. 199 */ 200 V4L2_COLORSPACE_DEFAULT = 0, 201 202 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 203 V4L2_COLORSPACE_SMPTE170M = 1, 204 205 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 206 V4L2_COLORSPACE_SMPTE240M = 2, 207 208 /* Rec.709: used for HDTV */ 209 V4L2_COLORSPACE_REC709 = 3, 210 211 /* 212 * Deprecated, do not use. No driver will ever return this. This was 213 * based on a misunderstanding of the bt878 datasheet. 214 */ 215 V4L2_COLORSPACE_BT878 = 4, 216 217 /* 218 * NTSC 1953 colorspace. This only makes sense when dealing with 219 * really, really old NTSC recordings. Superseded by SMPTE 170M. 220 */ 221 V4L2_COLORSPACE_470_SYSTEM_M = 5, 222 223 /* 224 * EBU Tech 3213 PAL/SECAM colorspace. 225 */ 226 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 227 228 /* 229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 231 */ 232 V4L2_COLORSPACE_JPEG = 7, 233 234 /* For RGB colorspaces such as produces by most webcams. */ 235 V4L2_COLORSPACE_SRGB = 8, 236 237 /* opRGB colorspace */ 238 V4L2_COLORSPACE_OPRGB = 9, 239 240 /* BT.2020 colorspace, used for UHDTV. */ 241 V4L2_COLORSPACE_BT2020 = 10, 242 243 /* Raw colorspace: for RAW unprocessed images */ 244 V4L2_COLORSPACE_RAW = 11, 245 246 /* DCI-P3 colorspace, used by cinema projectors */ 247 V4L2_COLORSPACE_DCI_P3 = 12, 248 249 #ifdef __KERNEL__ 250 /* 251 * Largest supported colorspace value, assigned by the compiler, used 252 * by the framework to check for invalid values. 253 */ 254 V4L2_COLORSPACE_LAST, 255 #endif 256 }; 257 258 /* 259 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 260 * This depends on whether this is a SDTV image (use SMPTE 170M), an 261 * HDTV image (use Rec. 709), or something else (use sRGB). 262 */ 263 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 264 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 265 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 266 267 enum v4l2_xfer_func { 268 /* 269 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 270 * for the various colorspaces: 271 * 272 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 273 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 274 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 275 * 276 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 277 * 278 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 279 * 280 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 281 * 282 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 283 * 284 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 285 */ 286 V4L2_XFER_FUNC_DEFAULT = 0, 287 V4L2_XFER_FUNC_709 = 1, 288 V4L2_XFER_FUNC_SRGB = 2, 289 V4L2_XFER_FUNC_OPRGB = 3, 290 V4L2_XFER_FUNC_SMPTE240M = 4, 291 V4L2_XFER_FUNC_NONE = 5, 292 V4L2_XFER_FUNC_DCI_P3 = 6, 293 V4L2_XFER_FUNC_SMPTE2084 = 7, 294 #ifdef __KERNEL__ 295 /* 296 * Largest supported transfer function value, assigned by the compiler, 297 * used by the framework to check for invalid values. 298 */ 299 V4L2_XFER_FUNC_LAST, 300 #endif 301 }; 302 303 /* 304 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 305 * This depends on the colorspace. 306 */ 307 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 308 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 309 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 310 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 311 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 312 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 313 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 314 315 enum v4l2_ycbcr_encoding { 316 /* 317 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 318 * various colorspaces: 319 * 320 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 321 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 322 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 323 * 324 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 325 * 326 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 327 * 328 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 329 */ 330 V4L2_YCBCR_ENC_DEFAULT = 0, 331 332 /* ITU-R 601 -- SDTV */ 333 V4L2_YCBCR_ENC_601 = 1, 334 335 /* Rec. 709 -- HDTV */ 336 V4L2_YCBCR_ENC_709 = 2, 337 338 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 339 V4L2_YCBCR_ENC_XV601 = 3, 340 341 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 342 V4L2_YCBCR_ENC_XV709 = 4, 343 344 #ifndef __KERNEL__ 345 /* 346 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 347 * originally due to a misunderstanding of the sYCC standard. It should 348 * not be used, instead use V4L2_YCBCR_ENC_601. 349 */ 350 V4L2_YCBCR_ENC_SYCC = 5, 351 #endif 352 353 /* BT.2020 Non-constant Luminance Y'CbCr */ 354 V4L2_YCBCR_ENC_BT2020 = 6, 355 356 /* BT.2020 Constant Luminance Y'CbcCrc */ 357 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 358 359 /* SMPTE 240M -- Obsolete HDTV */ 360 V4L2_YCBCR_ENC_SMPTE240M = 8, 361 #ifdef __KERNEL__ 362 /* 363 * Largest supported encoding value, assigned by the compiler, used by 364 * the framework to check for invalid values. 365 */ 366 V4L2_YCBCR_ENC_LAST, 367 #endif 368 }; 369 370 /* 371 * enum v4l2_hsv_encoding values should not collide with the ones from 372 * enum v4l2_ycbcr_encoding. 373 */ 374 enum v4l2_hsv_encoding { 375 376 /* Hue mapped to 0 - 179 */ 377 V4L2_HSV_ENC_180 = 128, 378 379 /* Hue mapped to 0-255 */ 380 V4L2_HSV_ENC_256 = 129, 381 }; 382 383 /* 384 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 385 * This depends on the colorspace. 386 */ 387 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 388 (((colsp) == V4L2_COLORSPACE_REC709 || \ 389 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 390 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 391 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 392 V4L2_YCBCR_ENC_601))) 393 394 enum v4l2_quantization { 395 /* 396 * The default for R'G'B' quantization is always full range. 397 * For Y'CbCr the quantization is always limited range, except 398 * for COLORSPACE_JPEG: this is full range. 399 */ 400 V4L2_QUANTIZATION_DEFAULT = 0, 401 V4L2_QUANTIZATION_FULL_RANGE = 1, 402 V4L2_QUANTIZATION_LIM_RANGE = 2, 403 }; 404 405 /* 406 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 407 * This depends on whether the image is RGB or not, the colorspace. 408 * The Y'CbCr encoding is not used anymore, but is still there for backwards 409 * compatibility. 410 */ 411 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 412 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 413 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE) 414 415 /* 416 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 417 * 418 * WARNING: Please don't use these deprecated defines in your code, as 419 * there is a chance we have to remove them in the future. 420 */ 421 #ifndef __KERNEL__ 422 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 423 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 424 #endif 425 426 enum v4l2_priority { 427 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 428 V4L2_PRIORITY_BACKGROUND = 1, 429 V4L2_PRIORITY_INTERACTIVE = 2, 430 V4L2_PRIORITY_RECORD = 3, 431 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 432 }; 433 434 struct v4l2_rect { 435 __s32 left; 436 __s32 top; 437 __u32 width; 438 __u32 height; 439 }; 440 441 struct v4l2_fract { 442 __u32 numerator; 443 __u32 denominator; 444 }; 445 446 struct v4l2_area { 447 __u32 width; 448 __u32 height; 449 }; 450 451 /** 452 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 453 * 454 * @driver: name of the driver module (e.g. "bttv") 455 * @card: name of the card (e.g. "Hauppauge WinTV") 456 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 457 * @version: KERNEL_VERSION 458 * @capabilities: capabilities of the physical device as a whole 459 * @device_caps: capabilities accessed via this particular device (node) 460 * @reserved: reserved fields for future extensions 461 */ 462 struct v4l2_capability { 463 __u8 driver[16]; 464 __u8 card[32]; 465 __u8 bus_info[32]; 466 __u32 version; 467 __u32 capabilities; 468 __u32 device_caps; 469 __u32 reserved[3]; 470 }; 471 472 /* Values for 'capabilities' field */ 473 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 474 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 475 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 476 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 477 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 478 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 479 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 480 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 481 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 482 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 483 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 484 485 /* Is a video capture device that supports multiplanar formats */ 486 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 487 /* Is a video output device that supports multiplanar formats */ 488 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 489 /* Is a video mem-to-mem device that supports multiplanar formats */ 490 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 491 /* Is a video mem-to-mem device */ 492 #define V4L2_CAP_VIDEO_M2M 0x00008000 493 494 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 495 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 496 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 497 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 498 499 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 500 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 501 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 502 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 503 504 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 505 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 506 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 507 508 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 509 510 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 511 512 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 513 514 /* 515 * V I D E O I M A G E F O R M A T 516 */ 517 struct v4l2_pix_format { 518 __u32 width; 519 __u32 height; 520 __u32 pixelformat; 521 __u32 field; /* enum v4l2_field */ 522 __u32 bytesperline; /* for padding, zero if unused */ 523 __u32 sizeimage; 524 __u32 colorspace; /* enum v4l2_colorspace */ 525 __u32 priv; /* private data, depends on pixelformat */ 526 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 527 union { 528 /* enum v4l2_ycbcr_encoding */ 529 __u32 ycbcr_enc; 530 /* enum v4l2_hsv_encoding */ 531 __u32 hsv_enc; 532 }; 533 __u32 quantization; /* enum v4l2_quantization */ 534 __u32 xfer_func; /* enum v4l2_xfer_func */ 535 }; 536 537 /* Pixel format FOURCC depth Description */ 538 539 /* RGB formats (1 or 2 bytes per pixel) */ 540 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 541 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 542 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 543 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 544 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 545 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 546 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 547 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 548 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 549 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 550 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 551 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 552 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 553 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 554 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 555 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 556 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 557 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 558 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 559 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 560 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 561 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 562 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 563 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 564 565 /* RGB formats (3 or 4 bytes per pixel) */ 566 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 567 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 568 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 569 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 570 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 571 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 572 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 573 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 574 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 575 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 576 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 577 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 578 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 579 580 /* Grey formats */ 581 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 582 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 583 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 584 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 585 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 586 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 587 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 588 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 589 590 /* Grey bit-packed formats */ 591 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 592 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 593 #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */ 594 595 /* Palette formats */ 596 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 597 598 /* Chrominance formats */ 599 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 600 601 /* Luminance+Chrominance formats */ 602 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 603 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 604 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 605 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 606 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 607 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 608 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 609 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 610 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 611 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ 612 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 613 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 614 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 615 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 616 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 617 #define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */ 618 #define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */ 619 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 620 621 /* two planes -- one Y, one Cr + Cb interleaved */ 622 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 623 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 624 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 625 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 626 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 627 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 628 #define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */ 629 630 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 631 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 632 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 633 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 634 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 635 636 /* three planes - Y Cb, Cr */ 637 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 638 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 639 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 640 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 641 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 642 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 643 644 /* three non contiguous planes - Y, Cb, Cr */ 645 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 646 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 647 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 648 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 649 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 650 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 651 652 /* Tiled YUV formats */ 653 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */ 654 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 655 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */ 656 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */ 657 #define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 658 #define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 659 660 /* Tiled YUV formats, non contiguous planes */ 661 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */ 662 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 663 #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 664 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 665 666 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 667 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 668 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 669 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 670 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 671 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 672 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 673 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 674 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 675 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 676 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 677 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 678 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 679 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 680 /* 10bit raw bayer a-law compressed to 8 bits */ 681 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 682 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 683 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 684 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 685 /* 10bit raw bayer DPCM compressed to 8 bits */ 686 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 687 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 688 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 689 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 690 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 691 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 692 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 693 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 694 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 695 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 696 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 697 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 698 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 699 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 700 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 701 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 702 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 703 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 704 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 705 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 706 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 707 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 708 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 709 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 710 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 711 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 712 713 /* HSV formats */ 714 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 715 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 716 717 /* compressed formats */ 718 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 719 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 720 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 721 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 722 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 723 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 724 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 725 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 726 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 727 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 728 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 729 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 730 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 731 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 732 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 733 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 734 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ 735 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 736 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */ 737 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 738 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 739 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 740 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 741 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ 742 743 /* Vendor-specific formats */ 744 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 745 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 746 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 747 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 748 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 749 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 750 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 751 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 752 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 753 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 754 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 755 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 756 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 757 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 758 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 759 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 760 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 761 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 762 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 763 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 764 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 765 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 766 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 767 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 768 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 769 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 770 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 771 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 772 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 773 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 774 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */ 775 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 776 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 777 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ 778 #define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */ 779 #define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */ 780 #define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */ 781 782 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 783 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 784 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 785 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 786 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 787 788 /* SDR formats - used only for Software Defined Radio devices */ 789 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 790 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 791 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 792 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 793 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 794 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 795 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 796 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 797 798 /* Touch formats - used for Touch devices */ 799 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 800 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 801 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 802 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 803 804 /* Meta-data formats */ 805 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 806 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 807 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 808 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 809 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 810 811 /* Vendor specific - used for RK_ISP1 camera sub-system */ 812 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 813 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 814 815 /* priv field value to indicates that subsequent fields are valid. */ 816 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 817 818 /* Flags */ 819 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 820 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 821 822 /* 823 * F O R M A T E N U M E R A T I O N 824 */ 825 struct v4l2_fmtdesc { 826 __u32 index; /* Format number */ 827 __u32 type; /* enum v4l2_buf_type */ 828 __u32 flags; 829 __u8 description[32]; /* Description string */ 830 __u32 pixelformat; /* Format fourcc */ 831 __u32 mbus_code; /* Media bus code */ 832 __u32 reserved[3]; 833 }; 834 835 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 836 #define V4L2_FMT_FLAG_EMULATED 0x0002 837 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 838 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 839 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 840 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 841 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 842 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 843 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 844 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 845 846 /* Frame Size and frame rate enumeration */ 847 /* 848 * F R A M E S I Z E E N U M E R A T I O N 849 */ 850 enum v4l2_frmsizetypes { 851 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 852 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 853 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 854 }; 855 856 struct v4l2_frmsize_discrete { 857 __u32 width; /* Frame width [pixel] */ 858 __u32 height; /* Frame height [pixel] */ 859 }; 860 861 struct v4l2_frmsize_stepwise { 862 __u32 min_width; /* Minimum frame width [pixel] */ 863 __u32 max_width; /* Maximum frame width [pixel] */ 864 __u32 step_width; /* Frame width step size [pixel] */ 865 __u32 min_height; /* Minimum frame height [pixel] */ 866 __u32 max_height; /* Maximum frame height [pixel] */ 867 __u32 step_height; /* Frame height step size [pixel] */ 868 }; 869 870 struct v4l2_frmsizeenum { 871 __u32 index; /* Frame size number */ 872 __u32 pixel_format; /* Pixel format */ 873 __u32 type; /* Frame size type the device supports. */ 874 875 union { /* Frame size */ 876 struct v4l2_frmsize_discrete discrete; 877 struct v4l2_frmsize_stepwise stepwise; 878 }; 879 880 __u32 reserved[2]; /* Reserved space for future use */ 881 }; 882 883 /* 884 * F R A M E R A T E E N U M E R A T I O N 885 */ 886 enum v4l2_frmivaltypes { 887 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 888 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 889 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 890 }; 891 892 struct v4l2_frmival_stepwise { 893 struct v4l2_fract min; /* Minimum frame interval [s] */ 894 struct v4l2_fract max; /* Maximum frame interval [s] */ 895 struct v4l2_fract step; /* Frame interval step size [s] */ 896 }; 897 898 struct v4l2_frmivalenum { 899 __u32 index; /* Frame format index */ 900 __u32 pixel_format; /* Pixel format */ 901 __u32 width; /* Frame width */ 902 __u32 height; /* Frame height */ 903 __u32 type; /* Frame interval type the device supports. */ 904 905 union { /* Frame interval */ 906 struct v4l2_fract discrete; 907 struct v4l2_frmival_stepwise stepwise; 908 }; 909 910 __u32 reserved[2]; /* Reserved space for future use */ 911 }; 912 913 /* 914 * T I M E C O D E 915 */ 916 struct v4l2_timecode { 917 __u32 type; 918 __u32 flags; 919 __u8 frames; 920 __u8 seconds; 921 __u8 minutes; 922 __u8 hours; 923 __u8 userbits[4]; 924 }; 925 926 /* Type */ 927 #define V4L2_TC_TYPE_24FPS 1 928 #define V4L2_TC_TYPE_25FPS 2 929 #define V4L2_TC_TYPE_30FPS 3 930 #define V4L2_TC_TYPE_50FPS 4 931 #define V4L2_TC_TYPE_60FPS 5 932 933 /* Flags */ 934 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 935 #define V4L2_TC_FLAG_COLORFRAME 0x0002 936 #define V4L2_TC_USERBITS_field 0x000C 937 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 938 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 939 /* The above is based on SMPTE timecodes */ 940 941 struct v4l2_jpegcompression { 942 int quality; 943 944 int APPn; /* Number of APP segment to be written, 945 * must be 0..15 */ 946 int APP_len; /* Length of data in JPEG APPn segment */ 947 char APP_data[60]; /* Data in the JPEG APPn segment. */ 948 949 int COM_len; /* Length of data in JPEG COM segment */ 950 char COM_data[60]; /* Data in JPEG COM segment */ 951 952 __u32 jpeg_markers; /* Which markers should go into the JPEG 953 * output. Unless you exactly know what 954 * you do, leave them untouched. 955 * Including less markers will make the 956 * resulting code smaller, but there will 957 * be fewer applications which can read it. 958 * The presence of the APP and COM marker 959 * is influenced by APP_len and COM_len 960 * ONLY, not by this property! */ 961 962 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 963 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 964 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 965 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 966 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 967 * always use APP0 */ 968 }; 969 970 /* 971 * M E M O R Y - M A P P I N G B U F F E R S 972 */ 973 974 #ifdef __KERNEL__ 975 /* 976 * This corresponds to the user space version of timeval 977 * for 64-bit time_t. sparc64 is different from everyone 978 * else, using the microseconds in the wrong half of the 979 * second 64-bit word. 980 */ 981 struct __kernel_v4l2_timeval { 982 long long tv_sec; 983 #if defined(__sparc__) && defined(__arch64__) 984 int tv_usec; 985 int __pad; 986 #else 987 long long tv_usec; 988 #endif 989 }; 990 #endif 991 992 struct v4l2_requestbuffers { 993 __u32 count; 994 __u32 type; /* enum v4l2_buf_type */ 995 __u32 memory; /* enum v4l2_memory */ 996 __u32 capabilities; 997 __u8 flags; 998 __u8 reserved[3]; 999 }; 1000 1001 #define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0) 1002 1003 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 1004 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 1005 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 1006 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 1007 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 1008 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 1009 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 1010 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 1011 1012 /** 1013 * struct v4l2_plane - plane info for multi-planar buffers 1014 * @bytesused: number of bytes occupied by data in the plane (payload) 1015 * @length: size of this plane (NOT the payload) in bytes 1016 * @mem_offset: when memory in the associated struct v4l2_buffer is 1017 * V4L2_MEMORY_MMAP, equals the offset from the start of 1018 * the device memory for this plane (or is a "cookie" that 1019 * should be passed to mmap() called on the video node) 1020 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 1021 * pointing to this plane 1022 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 1023 * descriptor associated with this plane 1024 * @m: union of @mem_offset, @userptr and @fd 1025 * @data_offset: offset in the plane to the start of data; usually 0, 1026 * unless there is a header in front of the data 1027 * @reserved: drivers and applications must zero this array 1028 * 1029 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 1030 * with two planes can have one plane for Y, and another for interleaved CbCr 1031 * components. Each plane can reside in a separate memory buffer, or even in 1032 * a completely separate memory node (e.g. in embedded devices). 1033 */ 1034 struct v4l2_plane { 1035 __u32 bytesused; 1036 __u32 length; 1037 union { 1038 __u32 mem_offset; 1039 unsigned long userptr; 1040 __s32 fd; 1041 } m; 1042 __u32 data_offset; 1043 __u32 reserved[11]; 1044 }; 1045 1046 /** 1047 * struct v4l2_buffer - video buffer info 1048 * @index: id number of the buffer 1049 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1050 * multiplanar buffers); 1051 * @bytesused: number of bytes occupied by data in the buffer (payload); 1052 * unused (set to 0) for multiplanar buffers 1053 * @flags: buffer informational flags 1054 * @field: enum v4l2_field; field order of the image in the buffer 1055 * @timestamp: frame timestamp 1056 * @timecode: frame timecode 1057 * @sequence: sequence count of this frame 1058 * @memory: enum v4l2_memory; the method, in which the actual video data is 1059 * passed 1060 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1061 * offset from the start of the device memory for this plane, 1062 * (or a "cookie" that should be passed to mmap() as offset) 1063 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1064 * a userspace pointer pointing to this buffer 1065 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1066 * a userspace file descriptor associated with this buffer 1067 * @planes: for multiplanar buffers; userspace pointer to the array of plane 1068 * info structs for this buffer 1069 * @m: union of @offset, @userptr, @planes and @fd 1070 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1071 * buffers (when type != *_MPLANE); number of elements in the 1072 * planes array for multi-plane buffers 1073 * @reserved2: drivers and applications must zero this field 1074 * @request_fd: fd of the request that this buffer should use 1075 * @reserved: for backwards compatibility with applications that do not know 1076 * about @request_fd 1077 * 1078 * Contains data exchanged by application and driver using one of the Streaming 1079 * I/O methods. 1080 */ 1081 struct v4l2_buffer { 1082 __u32 index; 1083 __u32 type; 1084 __u32 bytesused; 1085 __u32 flags; 1086 __u32 field; 1087 #ifdef __KERNEL__ 1088 struct __kernel_v4l2_timeval timestamp; 1089 #else 1090 struct timeval timestamp; 1091 #endif 1092 struct v4l2_timecode timecode; 1093 __u32 sequence; 1094 1095 /* memory location */ 1096 __u32 memory; 1097 union { 1098 __u32 offset; 1099 unsigned long userptr; 1100 struct v4l2_plane *planes; 1101 __s32 fd; 1102 } m; 1103 __u32 length; 1104 __u32 reserved2; 1105 union { 1106 __s32 request_fd; 1107 __u32 reserved; 1108 }; 1109 }; 1110 1111 #ifndef __KERNEL__ 1112 /** 1113 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1114 * @tv: pointer to the timeval variable to be converted 1115 * 1116 * Returns the scalar nanosecond representation of the timeval 1117 * parameter. 1118 */ 1119 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1120 { 1121 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1122 } 1123 #endif 1124 1125 /* Flags for 'flags' field */ 1126 /* Buffer is mapped (flag) */ 1127 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1128 /* Buffer is queued for processing */ 1129 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1130 /* Buffer is ready */ 1131 #define V4L2_BUF_FLAG_DONE 0x00000004 1132 /* Image is a keyframe (I-frame) */ 1133 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1134 /* Image is a P-frame */ 1135 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1136 /* Image is a B-frame */ 1137 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1138 /* Buffer is ready, but the data contained within is corrupted. */ 1139 #define V4L2_BUF_FLAG_ERROR 0x00000040 1140 /* Buffer is added to an unqueued request */ 1141 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1142 /* timecode field is valid */ 1143 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1144 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1145 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1146 /* Buffer is prepared for queuing */ 1147 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1148 /* Cache handling flags */ 1149 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1150 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1151 /* Timestamp type */ 1152 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1153 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1154 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1155 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1156 /* Timestamp sources. */ 1157 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1158 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1159 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1160 /* mem2mem encoder/decoder */ 1161 #define V4L2_BUF_FLAG_LAST 0x00100000 1162 /* request_fd is valid */ 1163 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1164 1165 /** 1166 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1167 * 1168 * @index: id number of the buffer 1169 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1170 * multiplanar buffers); 1171 * @plane: index of the plane to be exported, 0 for single plane queues 1172 * @flags: flags for newly created file, currently only O_CLOEXEC is 1173 * supported, refer to manual of open syscall for more details 1174 * @fd: file descriptor associated with DMABUF (set by driver) 1175 * @reserved: drivers and applications must zero this array 1176 * 1177 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1178 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1179 * (identical to the cookie used to mmap() the buffer to userspace). All 1180 * reserved fields must be set to zero. The field reserved0 is expected to 1181 * become a structure 'type' allowing an alternative layout of the structure 1182 * content. Therefore this field should not be used for any other extensions. 1183 */ 1184 struct v4l2_exportbuffer { 1185 __u32 type; /* enum v4l2_buf_type */ 1186 __u32 index; 1187 __u32 plane; 1188 __u32 flags; 1189 __s32 fd; 1190 __u32 reserved[11]; 1191 }; 1192 1193 /* 1194 * O V E R L A Y P R E V I E W 1195 */ 1196 struct v4l2_framebuffer { 1197 __u32 capability; 1198 __u32 flags; 1199 /* FIXME: in theory we should pass something like PCI device + memory 1200 * region + offset instead of some physical address */ 1201 void *base; 1202 struct { 1203 __u32 width; 1204 __u32 height; 1205 __u32 pixelformat; 1206 __u32 field; /* enum v4l2_field */ 1207 __u32 bytesperline; /* for padding, zero if unused */ 1208 __u32 sizeimage; 1209 __u32 colorspace; /* enum v4l2_colorspace */ 1210 __u32 priv; /* reserved field, set to 0 */ 1211 } fmt; 1212 }; 1213 /* Flags for the 'capability' field. Read only */ 1214 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1215 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1216 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1217 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1218 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1219 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1220 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1221 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1222 /* Flags for the 'flags' field. */ 1223 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1224 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1225 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1226 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1227 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1228 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1229 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1230 1231 struct v4l2_clip { 1232 struct v4l2_rect c; 1233 struct v4l2_clip __user *next; 1234 }; 1235 1236 struct v4l2_window { 1237 struct v4l2_rect w; 1238 __u32 field; /* enum v4l2_field */ 1239 __u32 chromakey; 1240 struct v4l2_clip *clips; 1241 __u32 clipcount; 1242 void __user *bitmap; 1243 __u8 global_alpha; 1244 }; 1245 1246 /* 1247 * C A P T U R E P A R A M E T E R S 1248 */ 1249 struct v4l2_captureparm { 1250 __u32 capability; /* Supported modes */ 1251 __u32 capturemode; /* Current mode */ 1252 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1253 __u32 extendedmode; /* Driver-specific extensions */ 1254 __u32 readbuffers; /* # of buffers for read */ 1255 __u32 reserved[4]; 1256 }; 1257 1258 /* Flags for 'capability' and 'capturemode' fields */ 1259 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1260 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1261 1262 struct v4l2_outputparm { 1263 __u32 capability; /* Supported modes */ 1264 __u32 outputmode; /* Current mode */ 1265 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1266 __u32 extendedmode; /* Driver-specific extensions */ 1267 __u32 writebuffers; /* # of buffers for write */ 1268 __u32 reserved[4]; 1269 }; 1270 1271 /* 1272 * I N P U T I M A G E C R O P P I N G 1273 */ 1274 struct v4l2_cropcap { 1275 __u32 type; /* enum v4l2_buf_type */ 1276 struct v4l2_rect bounds; 1277 struct v4l2_rect defrect; 1278 struct v4l2_fract pixelaspect; 1279 }; 1280 1281 struct v4l2_crop { 1282 __u32 type; /* enum v4l2_buf_type */ 1283 struct v4l2_rect c; 1284 }; 1285 1286 /** 1287 * struct v4l2_selection - selection info 1288 * @type: buffer type (do not use *_MPLANE types) 1289 * @target: Selection target, used to choose one of possible rectangles; 1290 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1291 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1292 * @r: coordinates of selection window 1293 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1294 * 1295 * Hardware may use multiple helper windows to process a video stream. 1296 * The structure is used to exchange this selection areas between 1297 * an application and a driver. 1298 */ 1299 struct v4l2_selection { 1300 __u32 type; 1301 __u32 target; 1302 __u32 flags; 1303 struct v4l2_rect r; 1304 __u32 reserved[9]; 1305 }; 1306 1307 1308 /* 1309 * A N A L O G V I D E O S T A N D A R D 1310 */ 1311 1312 typedef __u64 v4l2_std_id; 1313 1314 /* 1315 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1316 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1317 */ 1318 /* one bit for each */ 1319 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1320 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1321 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1322 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1323 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1324 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1325 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1326 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1327 1328 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1329 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1330 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1331 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1332 1333 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1334 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1335 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1336 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1337 1338 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1339 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1340 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1341 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1342 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1343 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1344 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1345 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1346 1347 /* ATSC/HDTV */ 1348 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1349 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1350 1351 /* FIXME: 1352 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1353 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1354 this value to 32 bits. 1355 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1356 it should work fine. However, if needed to add more than two standards, 1357 v4l2-common.c should be fixed. 1358 */ 1359 1360 /* 1361 * Some macros to merge video standards in order to make live easier for the 1362 * drivers and V4L2 applications 1363 */ 1364 1365 /* 1366 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1367 * Missing here. 1368 */ 1369 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1370 V4L2_STD_NTSC_M_JP |\ 1371 V4L2_STD_NTSC_M_KR) 1372 /* Secam macros */ 1373 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1374 V4L2_STD_SECAM_K |\ 1375 V4L2_STD_SECAM_K1) 1376 /* All Secam Standards */ 1377 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1378 V4L2_STD_SECAM_G |\ 1379 V4L2_STD_SECAM_H |\ 1380 V4L2_STD_SECAM_DK |\ 1381 V4L2_STD_SECAM_L |\ 1382 V4L2_STD_SECAM_LC) 1383 /* PAL macros */ 1384 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1385 V4L2_STD_PAL_B1 |\ 1386 V4L2_STD_PAL_G) 1387 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1388 V4L2_STD_PAL_D1 |\ 1389 V4L2_STD_PAL_K) 1390 /* 1391 * "Common" PAL - This macro is there to be compatible with the old 1392 * V4L1 concept of "PAL": /BGDKHI. 1393 * Several PAL standards are missing here: /M, /N and /Nc 1394 */ 1395 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1396 V4L2_STD_PAL_DK |\ 1397 V4L2_STD_PAL_H |\ 1398 V4L2_STD_PAL_I) 1399 /* Chroma "agnostic" standards */ 1400 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1401 V4L2_STD_PAL_B1 |\ 1402 V4L2_STD_SECAM_B) 1403 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1404 V4L2_STD_SECAM_G) 1405 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1406 V4L2_STD_SECAM_H) 1407 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1408 V4L2_STD_SECAM_LC) 1409 #define V4L2_STD_GH (V4L2_STD_G |\ 1410 V4L2_STD_H) 1411 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1412 V4L2_STD_SECAM_DK) 1413 #define V4L2_STD_BG (V4L2_STD_B |\ 1414 V4L2_STD_G) 1415 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1416 V4L2_STD_PAL_N |\ 1417 V4L2_STD_PAL_Nc |\ 1418 V4L2_STD_NTSC) 1419 1420 /* Standards where MTS/BTSC stereo could be found */ 1421 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1422 V4L2_STD_PAL_M |\ 1423 V4L2_STD_PAL_N |\ 1424 V4L2_STD_PAL_Nc) 1425 1426 /* Standards for Countries with 60Hz Line frequency */ 1427 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1428 V4L2_STD_PAL_60 |\ 1429 V4L2_STD_NTSC |\ 1430 V4L2_STD_NTSC_443) 1431 /* Standards for Countries with 50Hz Line frequency */ 1432 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1433 V4L2_STD_PAL_N |\ 1434 V4L2_STD_PAL_Nc |\ 1435 V4L2_STD_SECAM) 1436 1437 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1438 V4L2_STD_ATSC_16_VSB) 1439 /* Macros with none and all analog standards */ 1440 #define V4L2_STD_UNKNOWN 0 1441 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1442 V4L2_STD_625_50) 1443 1444 struct v4l2_standard { 1445 __u32 index; 1446 v4l2_std_id id; 1447 __u8 name[24]; 1448 struct v4l2_fract frameperiod; /* Frames, not fields */ 1449 __u32 framelines; 1450 __u32 reserved[4]; 1451 }; 1452 1453 /* 1454 * D V B T T I M I N G S 1455 */ 1456 1457 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1458 * @width: total width of the active video in pixels 1459 * @height: total height of the active video in lines 1460 * @interlaced: Interlaced or progressive 1461 * @polarities: Positive or negative polarities 1462 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1463 * @hfrontporch:Horizontal front porch in pixels 1464 * @hsync: Horizontal Sync length in pixels 1465 * @hbackporch: Horizontal back porch in pixels 1466 * @vfrontporch:Vertical front porch in lines 1467 * @vsync: Vertical Sync length in lines 1468 * @vbackporch: Vertical back porch in lines 1469 * @il_vfrontporch:Vertical front porch for the even field 1470 * (aka field 2) of interlaced field formats 1471 * @il_vsync: Vertical Sync length for the even field 1472 * (aka field 2) of interlaced field formats 1473 * @il_vbackporch:Vertical back porch for the even field 1474 * (aka field 2) of interlaced field formats 1475 * @standards: Standards the timing belongs to 1476 * @flags: Flags 1477 * @picture_aspect: The picture aspect ratio (hor/vert). 1478 * @cea861_vic: VIC code as per the CEA-861 standard. 1479 * @hdmi_vic: VIC code as per the HDMI standard. 1480 * @reserved: Reserved fields, must be zeroed. 1481 * 1482 * A note regarding vertical interlaced timings: height refers to the total 1483 * height of the active video frame (= two fields). The blanking timings refer 1484 * to the blanking of each field. So the height of the total frame is 1485 * calculated as follows: 1486 * 1487 * tot_height = height + vfrontporch + vsync + vbackporch + 1488 * il_vfrontporch + il_vsync + il_vbackporch 1489 * 1490 * The active height of each field is height / 2. 1491 */ 1492 struct v4l2_bt_timings { 1493 __u32 width; 1494 __u32 height; 1495 __u32 interlaced; 1496 __u32 polarities; 1497 __u64 pixelclock; 1498 __u32 hfrontporch; 1499 __u32 hsync; 1500 __u32 hbackporch; 1501 __u32 vfrontporch; 1502 __u32 vsync; 1503 __u32 vbackporch; 1504 __u32 il_vfrontporch; 1505 __u32 il_vsync; 1506 __u32 il_vbackporch; 1507 __u32 standards; 1508 __u32 flags; 1509 struct v4l2_fract picture_aspect; 1510 __u8 cea861_vic; 1511 __u8 hdmi_vic; 1512 __u8 reserved[46]; 1513 } __attribute__ ((packed)); 1514 1515 /* Interlaced or progressive format */ 1516 #define V4L2_DV_PROGRESSIVE 0 1517 #define V4L2_DV_INTERLACED 1 1518 1519 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1520 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1521 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1522 1523 /* Timings standards */ 1524 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1525 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1526 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1527 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1528 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1529 1530 /* Flags */ 1531 1532 /* 1533 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1534 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1535 * intervals are reduced, allowing a higher resolution over the same 1536 * bandwidth. This is a read-only flag. 1537 */ 1538 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1539 /* 1540 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1541 * of six. These formats can be optionally played at 1 / 1.001 speed. 1542 * This is a read-only flag. 1543 */ 1544 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1545 /* 1546 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1547 * by receivers. 1548 * If the framerate of the format is a multiple of six, then the pixelclock 1549 * used to set up the transmitter is divided by 1.001 to make it compatible 1550 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1551 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1552 * such frequencies, then the flag will also be cleared. 1553 */ 1554 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1555 /* 1556 * Specific to interlaced formats: if set, then field 1 is really one half-line 1557 * longer and field 2 is really one half-line shorter, so each field has 1558 * exactly the same number of half-lines. Whether half-lines can be detected 1559 * or used depends on the hardware. 1560 */ 1561 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1562 /* 1563 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1564 * differ from other formats (commonly called IT formats) in that if RGB 1565 * encoding is used then by default the RGB values use limited range (i.e. 1566 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1567 * except for the 640x480 format are CE formats. 1568 */ 1569 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1570 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1571 * total height. For these formats, if this flag is set, the first 1572 * field has the extra line. If not, it is the second field. 1573 */ 1574 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1575 /* 1576 * If set, then the picture_aspect field is valid. Otherwise assume that the 1577 * pixels are square, so the picture aspect ratio is the same as the width to 1578 * height ratio. 1579 */ 1580 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1581 /* 1582 * If set, then the cea861_vic field is valid and contains the Video 1583 * Identification Code as per the CEA-861 standard. 1584 */ 1585 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1586 /* 1587 * If set, then the hdmi_vic field is valid and contains the Video 1588 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1589 * InfoFrame). 1590 */ 1591 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1592 /* 1593 * CEA-861 specific: only valid for video receivers. 1594 * If set, then HW can detect the difference between regular FPS and 1595 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1596 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1597 */ 1598 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1599 1600 /* A few useful defines to calculate the total blanking and frame sizes */ 1601 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1602 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1603 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1604 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1605 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1606 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1607 ((bt)->interlaced ? \ 1608 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0)) 1609 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1610 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1611 1612 /** struct v4l2_dv_timings - DV timings 1613 * @type: the type of the timings 1614 * @bt: BT656/1120 timings 1615 */ 1616 struct v4l2_dv_timings { 1617 __u32 type; 1618 union { 1619 struct v4l2_bt_timings bt; 1620 __u32 reserved[32]; 1621 }; 1622 } __attribute__ ((packed)); 1623 1624 /* Values for the type field */ 1625 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1626 1627 1628 /** struct v4l2_enum_dv_timings - DV timings enumeration 1629 * @index: enumeration index 1630 * @pad: the pad number for which to enumerate timings (used with 1631 * v4l-subdev nodes only) 1632 * @reserved: must be zeroed 1633 * @timings: the timings for the given index 1634 */ 1635 struct v4l2_enum_dv_timings { 1636 __u32 index; 1637 __u32 pad; 1638 __u32 reserved[2]; 1639 struct v4l2_dv_timings timings; 1640 }; 1641 1642 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1643 * @min_width: width in pixels 1644 * @max_width: width in pixels 1645 * @min_height: height in lines 1646 * @max_height: height in lines 1647 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1648 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1649 * @standards: Supported standards 1650 * @capabilities: Supported capabilities 1651 * @reserved: Must be zeroed 1652 */ 1653 struct v4l2_bt_timings_cap { 1654 __u32 min_width; 1655 __u32 max_width; 1656 __u32 min_height; 1657 __u32 max_height; 1658 __u64 min_pixelclock; 1659 __u64 max_pixelclock; 1660 __u32 standards; 1661 __u32 capabilities; 1662 __u32 reserved[16]; 1663 } __attribute__ ((packed)); 1664 1665 /* Supports interlaced formats */ 1666 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1667 /* Supports progressive formats */ 1668 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1669 /* Supports CVT/GTF reduced blanking */ 1670 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1671 /* Supports custom formats */ 1672 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1673 1674 /** struct v4l2_dv_timings_cap - DV timings capabilities 1675 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1676 * @pad: the pad number for which to query capabilities (used with 1677 * v4l-subdev nodes only) 1678 * @bt: the BT656/1120 timings capabilities 1679 */ 1680 struct v4l2_dv_timings_cap { 1681 __u32 type; 1682 __u32 pad; 1683 __u32 reserved[2]; 1684 union { 1685 struct v4l2_bt_timings_cap bt; 1686 __u32 raw_data[32]; 1687 }; 1688 }; 1689 1690 1691 /* 1692 * V I D E O I N P U T S 1693 */ 1694 struct v4l2_input { 1695 __u32 index; /* Which input */ 1696 __u8 name[32]; /* Label */ 1697 __u32 type; /* Type of input */ 1698 __u32 audioset; /* Associated audios (bitfield) */ 1699 __u32 tuner; /* enum v4l2_tuner_type */ 1700 v4l2_std_id std; 1701 __u32 status; 1702 __u32 capabilities; 1703 __u32 reserved[3]; 1704 }; 1705 1706 /* Values for the 'type' field */ 1707 #define V4L2_INPUT_TYPE_TUNER 1 1708 #define V4L2_INPUT_TYPE_CAMERA 2 1709 #define V4L2_INPUT_TYPE_TOUCH 3 1710 1711 /* field 'status' - general */ 1712 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1713 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1714 #define V4L2_IN_ST_NO_COLOR 0x00000004 1715 1716 /* field 'status' - sensor orientation */ 1717 /* If sensor is mounted upside down set both bits */ 1718 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1719 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1720 1721 /* field 'status' - analog */ 1722 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1723 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1724 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1725 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1726 1727 /* field 'status' - digital */ 1728 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1729 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1730 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1731 1732 /* field 'status' - VCR and set-top box */ 1733 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1734 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1735 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1736 1737 /* capabilities flags */ 1738 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1739 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1740 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1741 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1742 1743 /* 1744 * V I D E O O U T P U T S 1745 */ 1746 struct v4l2_output { 1747 __u32 index; /* Which output */ 1748 __u8 name[32]; /* Label */ 1749 __u32 type; /* Type of output */ 1750 __u32 audioset; /* Associated audios (bitfield) */ 1751 __u32 modulator; /* Associated modulator */ 1752 v4l2_std_id std; 1753 __u32 capabilities; 1754 __u32 reserved[3]; 1755 }; 1756 /* Values for the 'type' field */ 1757 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1758 #define V4L2_OUTPUT_TYPE_ANALOG 2 1759 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1760 1761 /* capabilities flags */ 1762 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1763 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1764 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1765 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1766 1767 /* 1768 * C O N T R O L S 1769 */ 1770 struct v4l2_control { 1771 __u32 id; 1772 __s32 value; 1773 }; 1774 1775 struct v4l2_ext_control { 1776 __u32 id; 1777 __u32 size; 1778 __u32 reserved2[1]; 1779 union { 1780 __s32 value; 1781 __s64 value64; 1782 char __user *string; 1783 __u8 __user *p_u8; 1784 __u16 __user *p_u16; 1785 __u32 __user *p_u32; 1786 __u32 __user *p_s32; 1787 __u32 __user *p_s64; 1788 struct v4l2_area __user *p_area; 1789 struct v4l2_ctrl_h264_sps __user *p_h264_sps; 1790 struct v4l2_ctrl_h264_pps *p_h264_pps; 1791 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix; 1792 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights; 1793 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params; 1794 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params; 1795 struct v4l2_ctrl_fwht_params __user *p_fwht_params; 1796 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame; 1797 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence; 1798 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture; 1799 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation; 1800 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs; 1801 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame; 1802 struct v4l2_ctrl_hevc_sps __user *p_hevc_sps; 1803 struct v4l2_ctrl_hevc_pps __user *p_hevc_pps; 1804 struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params; 1805 struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix; 1806 struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params; 1807 void __user *ptr; 1808 }; 1809 } __attribute__ ((packed)); 1810 1811 struct v4l2_ext_controls { 1812 union { 1813 #ifndef __KERNEL__ 1814 __u32 ctrl_class; 1815 #endif 1816 __u32 which; 1817 }; 1818 __u32 count; 1819 __u32 error_idx; 1820 __s32 request_fd; 1821 __u32 reserved[1]; 1822 struct v4l2_ext_control *controls; 1823 }; 1824 1825 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1826 #ifndef __KERNEL__ 1827 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1828 #endif 1829 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1830 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1831 #define V4L2_CTRL_MAX_DIMS (4) 1832 #define V4L2_CTRL_WHICH_CUR_VAL 0 1833 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1834 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1835 1836 enum v4l2_ctrl_type { 1837 V4L2_CTRL_TYPE_INTEGER = 1, 1838 V4L2_CTRL_TYPE_BOOLEAN = 2, 1839 V4L2_CTRL_TYPE_MENU = 3, 1840 V4L2_CTRL_TYPE_BUTTON = 4, 1841 V4L2_CTRL_TYPE_INTEGER64 = 5, 1842 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1843 V4L2_CTRL_TYPE_STRING = 7, 1844 V4L2_CTRL_TYPE_BITMASK = 8, 1845 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1846 1847 /* Compound types are >= 0x0100 */ 1848 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1849 V4L2_CTRL_TYPE_U8 = 0x0100, 1850 V4L2_CTRL_TYPE_U16 = 0x0101, 1851 V4L2_CTRL_TYPE_U32 = 0x0102, 1852 V4L2_CTRL_TYPE_AREA = 0x0106, 1853 1854 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, 1855 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, 1856 1857 V4L2_CTRL_TYPE_H264_SPS = 0x0200, 1858 V4L2_CTRL_TYPE_H264_PPS = 0x0201, 1859 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, 1860 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, 1861 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, 1862 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, 1863 1864 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, 1865 1866 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, 1867 1868 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, 1869 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, 1870 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, 1871 1872 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260, 1873 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261, 1874 1875 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270, 1876 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271, 1877 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272, 1878 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273, 1879 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274, 1880 }; 1881 1882 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1883 struct v4l2_queryctrl { 1884 __u32 id; 1885 __u32 type; /* enum v4l2_ctrl_type */ 1886 __u8 name[32]; /* Whatever */ 1887 __s32 minimum; /* Note signedness */ 1888 __s32 maximum; 1889 __s32 step; 1890 __s32 default_value; 1891 __u32 flags; 1892 __u32 reserved[2]; 1893 }; 1894 1895 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1896 struct v4l2_query_ext_ctrl { 1897 __u32 id; 1898 __u32 type; 1899 char name[32]; 1900 __s64 minimum; 1901 __s64 maximum; 1902 __u64 step; 1903 __s64 default_value; 1904 __u32 flags; 1905 __u32 elem_size; 1906 __u32 elems; 1907 __u32 nr_of_dims; 1908 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1909 __u32 reserved[32]; 1910 }; 1911 1912 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1913 struct v4l2_querymenu { 1914 __u32 id; 1915 __u32 index; 1916 union { 1917 __u8 name[32]; /* Whatever */ 1918 __s64 value; 1919 }; 1920 __u32 reserved; 1921 } __attribute__ ((packed)); 1922 1923 /* Control flags */ 1924 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1925 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1926 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1927 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1928 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1929 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1930 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1931 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1932 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1933 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1934 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1935 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800 1936 1937 /* Query flags, to be ORed with the control ID */ 1938 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1939 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1940 1941 /* User-class control IDs defined by V4L2 */ 1942 #define V4L2_CID_MAX_CTRLS 1024 1943 /* IDs reserved for driver specific controls */ 1944 #define V4L2_CID_PRIVATE_BASE 0x08000000 1945 1946 1947 /* 1948 * T U N I N G 1949 */ 1950 struct v4l2_tuner { 1951 __u32 index; 1952 __u8 name[32]; 1953 __u32 type; /* enum v4l2_tuner_type */ 1954 __u32 capability; 1955 __u32 rangelow; 1956 __u32 rangehigh; 1957 __u32 rxsubchans; 1958 __u32 audmode; 1959 __s32 signal; 1960 __s32 afc; 1961 __u32 reserved[4]; 1962 }; 1963 1964 struct v4l2_modulator { 1965 __u32 index; 1966 __u8 name[32]; 1967 __u32 capability; 1968 __u32 rangelow; 1969 __u32 rangehigh; 1970 __u32 txsubchans; 1971 __u32 type; /* enum v4l2_tuner_type */ 1972 __u32 reserved[3]; 1973 }; 1974 1975 /* Flags for the 'capability' field */ 1976 #define V4L2_TUNER_CAP_LOW 0x0001 1977 #define V4L2_TUNER_CAP_NORM 0x0002 1978 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1979 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1980 #define V4L2_TUNER_CAP_STEREO 0x0010 1981 #define V4L2_TUNER_CAP_LANG2 0x0020 1982 #define V4L2_TUNER_CAP_SAP 0x0020 1983 #define V4L2_TUNER_CAP_LANG1 0x0040 1984 #define V4L2_TUNER_CAP_RDS 0x0080 1985 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1986 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1987 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1988 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1989 #define V4L2_TUNER_CAP_1HZ 0x1000 1990 1991 /* Flags for the 'rxsubchans' field */ 1992 #define V4L2_TUNER_SUB_MONO 0x0001 1993 #define V4L2_TUNER_SUB_STEREO 0x0002 1994 #define V4L2_TUNER_SUB_LANG2 0x0004 1995 #define V4L2_TUNER_SUB_SAP 0x0004 1996 #define V4L2_TUNER_SUB_LANG1 0x0008 1997 #define V4L2_TUNER_SUB_RDS 0x0010 1998 1999 /* Values for the 'audmode' field */ 2000 #define V4L2_TUNER_MODE_MONO 0x0000 2001 #define V4L2_TUNER_MODE_STEREO 0x0001 2002 #define V4L2_TUNER_MODE_LANG2 0x0002 2003 #define V4L2_TUNER_MODE_SAP 0x0002 2004 #define V4L2_TUNER_MODE_LANG1 0x0003 2005 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 2006 2007 struct v4l2_frequency { 2008 __u32 tuner; 2009 __u32 type; /* enum v4l2_tuner_type */ 2010 __u32 frequency; 2011 __u32 reserved[8]; 2012 }; 2013 2014 #define V4L2_BAND_MODULATION_VSB (1 << 1) 2015 #define V4L2_BAND_MODULATION_FM (1 << 2) 2016 #define V4L2_BAND_MODULATION_AM (1 << 3) 2017 2018 struct v4l2_frequency_band { 2019 __u32 tuner; 2020 __u32 type; /* enum v4l2_tuner_type */ 2021 __u32 index; 2022 __u32 capability; 2023 __u32 rangelow; 2024 __u32 rangehigh; 2025 __u32 modulation; 2026 __u32 reserved[9]; 2027 }; 2028 2029 struct v4l2_hw_freq_seek { 2030 __u32 tuner; 2031 __u32 type; /* enum v4l2_tuner_type */ 2032 __u32 seek_upward; 2033 __u32 wrap_around; 2034 __u32 spacing; 2035 __u32 rangelow; 2036 __u32 rangehigh; 2037 __u32 reserved[5]; 2038 }; 2039 2040 /* 2041 * R D S 2042 */ 2043 2044 struct v4l2_rds_data { 2045 __u8 lsb; 2046 __u8 msb; 2047 __u8 block; 2048 } __attribute__ ((packed)); 2049 2050 #define V4L2_RDS_BLOCK_MSK 0x7 2051 #define V4L2_RDS_BLOCK_A 0 2052 #define V4L2_RDS_BLOCK_B 1 2053 #define V4L2_RDS_BLOCK_C 2 2054 #define V4L2_RDS_BLOCK_D 3 2055 #define V4L2_RDS_BLOCK_C_ALT 4 2056 #define V4L2_RDS_BLOCK_INVALID 7 2057 2058 #define V4L2_RDS_BLOCK_CORRECTED 0x40 2059 #define V4L2_RDS_BLOCK_ERROR 0x80 2060 2061 /* 2062 * A U D I O 2063 */ 2064 struct v4l2_audio { 2065 __u32 index; 2066 __u8 name[32]; 2067 __u32 capability; 2068 __u32 mode; 2069 __u32 reserved[2]; 2070 }; 2071 2072 /* Flags for the 'capability' field */ 2073 #define V4L2_AUDCAP_STEREO 0x00001 2074 #define V4L2_AUDCAP_AVL 0x00002 2075 2076 /* Flags for the 'mode' field */ 2077 #define V4L2_AUDMODE_AVL 0x00001 2078 2079 struct v4l2_audioout { 2080 __u32 index; 2081 __u8 name[32]; 2082 __u32 capability; 2083 __u32 mode; 2084 __u32 reserved[2]; 2085 }; 2086 2087 /* 2088 * M P E G S E R V I C E S 2089 */ 2090 #if 1 2091 #define V4L2_ENC_IDX_FRAME_I (0) 2092 #define V4L2_ENC_IDX_FRAME_P (1) 2093 #define V4L2_ENC_IDX_FRAME_B (2) 2094 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 2095 2096 struct v4l2_enc_idx_entry { 2097 __u64 offset; 2098 __u64 pts; 2099 __u32 length; 2100 __u32 flags; 2101 __u32 reserved[2]; 2102 }; 2103 2104 #define V4L2_ENC_IDX_ENTRIES (64) 2105 struct v4l2_enc_idx { 2106 __u32 entries; 2107 __u32 entries_cap; 2108 __u32 reserved[4]; 2109 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2110 }; 2111 2112 2113 #define V4L2_ENC_CMD_START (0) 2114 #define V4L2_ENC_CMD_STOP (1) 2115 #define V4L2_ENC_CMD_PAUSE (2) 2116 #define V4L2_ENC_CMD_RESUME (3) 2117 2118 /* Flags for V4L2_ENC_CMD_STOP */ 2119 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2120 2121 struct v4l2_encoder_cmd { 2122 __u32 cmd; 2123 __u32 flags; 2124 union { 2125 struct { 2126 __u32 data[8]; 2127 } raw; 2128 }; 2129 }; 2130 2131 /* Decoder commands */ 2132 #define V4L2_DEC_CMD_START (0) 2133 #define V4L2_DEC_CMD_STOP (1) 2134 #define V4L2_DEC_CMD_PAUSE (2) 2135 #define V4L2_DEC_CMD_RESUME (3) 2136 #define V4L2_DEC_CMD_FLUSH (4) 2137 2138 /* Flags for V4L2_DEC_CMD_START */ 2139 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2140 2141 /* Flags for V4L2_DEC_CMD_PAUSE */ 2142 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2143 2144 /* Flags for V4L2_DEC_CMD_STOP */ 2145 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2146 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2147 2148 /* Play format requirements (returned by the driver): */ 2149 2150 /* The decoder has no special format requirements */ 2151 #define V4L2_DEC_START_FMT_NONE (0) 2152 /* The decoder requires full GOPs */ 2153 #define V4L2_DEC_START_FMT_GOP (1) 2154 2155 /* The structure must be zeroed before use by the application 2156 This ensures it can be extended safely in the future. */ 2157 struct v4l2_decoder_cmd { 2158 __u32 cmd; 2159 __u32 flags; 2160 union { 2161 struct { 2162 __u64 pts; 2163 } stop; 2164 2165 struct { 2166 /* 0 or 1000 specifies normal speed, 2167 1 specifies forward single stepping, 2168 -1 specifies backward single stepping, 2169 >1: playback at speed/1000 of the normal speed, 2170 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2171 __s32 speed; 2172 __u32 format; 2173 } start; 2174 2175 struct { 2176 __u32 data[16]; 2177 } raw; 2178 }; 2179 }; 2180 #endif 2181 2182 2183 /* 2184 * D A T A S E R V I C E S ( V B I ) 2185 * 2186 * Data services API by Michael Schimek 2187 */ 2188 2189 /* Raw VBI */ 2190 struct v4l2_vbi_format { 2191 __u32 sampling_rate; /* in 1 Hz */ 2192 __u32 offset; 2193 __u32 samples_per_line; 2194 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2195 __s32 start[2]; 2196 __u32 count[2]; 2197 __u32 flags; /* V4L2_VBI_* */ 2198 __u32 reserved[2]; /* must be zero */ 2199 }; 2200 2201 /* VBI flags */ 2202 #define V4L2_VBI_UNSYNC (1 << 0) 2203 #define V4L2_VBI_INTERLACED (1 << 1) 2204 2205 /* ITU-R start lines for each field */ 2206 #define V4L2_VBI_ITU_525_F1_START (1) 2207 #define V4L2_VBI_ITU_525_F2_START (264) 2208 #define V4L2_VBI_ITU_625_F1_START (1) 2209 #define V4L2_VBI_ITU_625_F2_START (314) 2210 2211 /* Sliced VBI 2212 * 2213 * This implements is a proposal V4L2 API to allow SLICED VBI 2214 * required for some hardware encoders. It should change without 2215 * notice in the definitive implementation. 2216 */ 2217 2218 struct v4l2_sliced_vbi_format { 2219 __u16 service_set; 2220 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2221 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2222 (equals frame lines 313-336 for 625 line video 2223 standards, 263-286 for 525 line standards) */ 2224 __u16 service_lines[2][24]; 2225 __u32 io_size; 2226 __u32 reserved[2]; /* must be zero */ 2227 }; 2228 2229 /* Teletext World System Teletext 2230 (WST), defined on ITU-R BT.653-2 */ 2231 #define V4L2_SLICED_TELETEXT_B (0x0001) 2232 /* Video Program System, defined on ETS 300 231*/ 2233 #define V4L2_SLICED_VPS (0x0400) 2234 /* Closed Caption, defined on EIA-608 */ 2235 #define V4L2_SLICED_CAPTION_525 (0x1000) 2236 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2237 #define V4L2_SLICED_WSS_625 (0x4000) 2238 2239 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2240 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2241 2242 struct v4l2_sliced_vbi_cap { 2243 __u16 service_set; 2244 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2245 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2246 (equals frame lines 313-336 for 625 line video 2247 standards, 263-286 for 525 line standards) */ 2248 __u16 service_lines[2][24]; 2249 __u32 type; /* enum v4l2_buf_type */ 2250 __u32 reserved[3]; /* must be 0 */ 2251 }; 2252 2253 struct v4l2_sliced_vbi_data { 2254 __u32 id; 2255 __u32 field; /* 0: first field, 1: second field */ 2256 __u32 line; /* 1-23 */ 2257 __u32 reserved; /* must be 0 */ 2258 __u8 data[48]; 2259 }; 2260 2261 /* 2262 * Sliced VBI data inserted into MPEG Streams 2263 */ 2264 2265 /* 2266 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2267 * 2268 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2269 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2270 * data 2271 * 2272 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2273 * definitions are not included here. See the MPEG-2 specifications for details 2274 * on these headers. 2275 */ 2276 2277 /* Line type IDs */ 2278 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2279 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2280 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2281 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2282 2283 struct v4l2_mpeg_vbi_itv0_line { 2284 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2285 __u8 data[42]; /* Sliced VBI data for the line */ 2286 } __attribute__ ((packed)); 2287 2288 struct v4l2_mpeg_vbi_itv0 { 2289 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2290 struct v4l2_mpeg_vbi_itv0_line line[35]; 2291 } __attribute__ ((packed)); 2292 2293 struct v4l2_mpeg_vbi_ITV0 { 2294 struct v4l2_mpeg_vbi_itv0_line line[36]; 2295 } __attribute__ ((packed)); 2296 2297 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2298 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2299 2300 struct v4l2_mpeg_vbi_fmt_ivtv { 2301 __u8 magic[4]; 2302 union { 2303 struct v4l2_mpeg_vbi_itv0 itv0; 2304 struct v4l2_mpeg_vbi_ITV0 ITV0; 2305 }; 2306 } __attribute__ ((packed)); 2307 2308 /* 2309 * A G G R E G A T E S T R U C T U R E S 2310 */ 2311 2312 /** 2313 * struct v4l2_plane_pix_format - additional, per-plane format definition 2314 * @sizeimage: maximum size in bytes required for data, for which 2315 * this plane will be used 2316 * @bytesperline: distance in bytes between the leftmost pixels in two 2317 * adjacent lines 2318 * @reserved: drivers and applications must zero this array 2319 */ 2320 struct v4l2_plane_pix_format { 2321 __u32 sizeimage; 2322 __u32 bytesperline; 2323 __u16 reserved[6]; 2324 } __attribute__ ((packed)); 2325 2326 /** 2327 * struct v4l2_pix_format_mplane - multiplanar format definition 2328 * @width: image width in pixels 2329 * @height: image height in pixels 2330 * @pixelformat: little endian four character code (fourcc) 2331 * @field: enum v4l2_field; field order (for interlaced video) 2332 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2333 * @plane_fmt: per-plane information 2334 * @num_planes: number of planes for this format 2335 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2336 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2337 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding 2338 * @quantization: enum v4l2_quantization, colorspace quantization 2339 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2340 * @reserved: drivers and applications must zero this array 2341 */ 2342 struct v4l2_pix_format_mplane { 2343 __u32 width; 2344 __u32 height; 2345 __u32 pixelformat; 2346 __u32 field; 2347 __u32 colorspace; 2348 2349 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2350 __u8 num_planes; 2351 __u8 flags; 2352 union { 2353 __u8 ycbcr_enc; 2354 __u8 hsv_enc; 2355 }; 2356 __u8 quantization; 2357 __u8 xfer_func; 2358 __u8 reserved[7]; 2359 } __attribute__ ((packed)); 2360 2361 /** 2362 * struct v4l2_sdr_format - SDR format definition 2363 * @pixelformat: little endian four character code (fourcc) 2364 * @buffersize: maximum size in bytes required for data 2365 * @reserved: drivers and applications must zero this array 2366 */ 2367 struct v4l2_sdr_format { 2368 __u32 pixelformat; 2369 __u32 buffersize; 2370 __u8 reserved[24]; 2371 } __attribute__ ((packed)); 2372 2373 /** 2374 * struct v4l2_meta_format - metadata format definition 2375 * @dataformat: little endian four character code (fourcc) 2376 * @buffersize: maximum size in bytes required for data 2377 */ 2378 struct v4l2_meta_format { 2379 __u32 dataformat; 2380 __u32 buffersize; 2381 } __attribute__ ((packed)); 2382 2383 /** 2384 * struct v4l2_format - stream data format 2385 * @type: enum v4l2_buf_type; type of the data stream 2386 * @pix: definition of an image format 2387 * @pix_mp: definition of a multiplanar image format 2388 * @win: definition of an overlaid image 2389 * @vbi: raw VBI capture or output parameters 2390 * @sliced: sliced VBI capture or output parameters 2391 * @raw_data: placeholder for future extensions and custom formats 2392 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta 2393 * and @raw_data 2394 */ 2395 struct v4l2_format { 2396 __u32 type; 2397 union { 2398 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2399 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2400 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2401 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2402 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2403 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2404 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2405 __u8 raw_data[200]; /* user-defined */ 2406 } fmt; 2407 }; 2408 2409 /* Stream type-dependent parameters 2410 */ 2411 struct v4l2_streamparm { 2412 __u32 type; /* enum v4l2_buf_type */ 2413 union { 2414 struct v4l2_captureparm capture; 2415 struct v4l2_outputparm output; 2416 __u8 raw_data[200]; /* user-defined */ 2417 } parm; 2418 }; 2419 2420 /* 2421 * E V E N T S 2422 */ 2423 2424 #define V4L2_EVENT_ALL 0 2425 #define V4L2_EVENT_VSYNC 1 2426 #define V4L2_EVENT_EOS 2 2427 #define V4L2_EVENT_CTRL 3 2428 #define V4L2_EVENT_FRAME_SYNC 4 2429 #define V4L2_EVENT_SOURCE_CHANGE 5 2430 #define V4L2_EVENT_MOTION_DET 6 2431 #define V4L2_EVENT_PRIVATE_START 0x08000000 2432 2433 /* Payload for V4L2_EVENT_VSYNC */ 2434 struct v4l2_event_vsync { 2435 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2436 __u8 field; 2437 } __attribute__ ((packed)); 2438 2439 /* Payload for V4L2_EVENT_CTRL */ 2440 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2441 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2442 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2443 #define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3) 2444 2445 struct v4l2_event_ctrl { 2446 __u32 changes; 2447 __u32 type; 2448 union { 2449 __s32 value; 2450 __s64 value64; 2451 }; 2452 __u32 flags; 2453 __s32 minimum; 2454 __s32 maximum; 2455 __s32 step; 2456 __s32 default_value; 2457 }; 2458 2459 struct v4l2_event_frame_sync { 2460 __u32 frame_sequence; 2461 }; 2462 2463 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2464 2465 struct v4l2_event_src_change { 2466 __u32 changes; 2467 }; 2468 2469 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2470 2471 /** 2472 * struct v4l2_event_motion_det - motion detection event 2473 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2474 * frame_sequence field is valid. 2475 * @frame_sequence: the frame sequence number associated with this event. 2476 * @region_mask: which regions detected motion. 2477 */ 2478 struct v4l2_event_motion_det { 2479 __u32 flags; 2480 __u32 frame_sequence; 2481 __u32 region_mask; 2482 }; 2483 2484 struct v4l2_event { 2485 __u32 type; 2486 union { 2487 struct v4l2_event_vsync vsync; 2488 struct v4l2_event_ctrl ctrl; 2489 struct v4l2_event_frame_sync frame_sync; 2490 struct v4l2_event_src_change src_change; 2491 struct v4l2_event_motion_det motion_det; 2492 __u8 data[64]; 2493 } u; 2494 __u32 pending; 2495 __u32 sequence; 2496 #ifdef __KERNEL__ 2497 struct __kernel_timespec timestamp; 2498 #else 2499 struct timespec timestamp; 2500 #endif 2501 __u32 id; 2502 __u32 reserved[8]; 2503 }; 2504 2505 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2506 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2507 2508 struct v4l2_event_subscription { 2509 __u32 type; 2510 __u32 id; 2511 __u32 flags; 2512 __u32 reserved[5]; 2513 }; 2514 2515 /* 2516 * A D V A N C E D D E B U G G I N G 2517 * 2518 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2519 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2520 */ 2521 2522 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2523 2524 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2525 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2526 2527 /* The following four defines are no longer in use */ 2528 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2529 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2530 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2531 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2532 2533 struct v4l2_dbg_match { 2534 __u32 type; /* Match type */ 2535 union { /* Match this chip, meaning determined by type */ 2536 __u32 addr; 2537 char name[32]; 2538 }; 2539 } __attribute__ ((packed)); 2540 2541 struct v4l2_dbg_register { 2542 struct v4l2_dbg_match match; 2543 __u32 size; /* register size in bytes */ 2544 __u64 reg; 2545 __u64 val; 2546 } __attribute__ ((packed)); 2547 2548 #define V4L2_CHIP_FL_READABLE (1 << 0) 2549 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2550 2551 /* VIDIOC_DBG_G_CHIP_INFO */ 2552 struct v4l2_dbg_chip_info { 2553 struct v4l2_dbg_match match; 2554 char name[32]; 2555 __u32 flags; 2556 __u32 reserved[32]; 2557 } __attribute__ ((packed)); 2558 2559 /** 2560 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2561 * @index: on return, index of the first created buffer 2562 * @count: entry: number of requested buffers, 2563 * return: number of created buffers 2564 * @memory: enum v4l2_memory; buffer memory type 2565 * @format: frame format, for which buffers are requested 2566 * @capabilities: capabilities of this buffer type. 2567 * @flags: additional buffer management attributes (ignored unless the 2568 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability 2569 * and configured for MMAP streaming I/O). 2570 * @reserved: future extensions 2571 */ 2572 struct v4l2_create_buffers { 2573 __u32 index; 2574 __u32 count; 2575 __u32 memory; 2576 struct v4l2_format format; 2577 __u32 capabilities; 2578 __u32 flags; 2579 __u32 reserved[6]; 2580 }; 2581 2582 /* 2583 * 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 2584 * 2585 */ 2586 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2587 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2588 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2589 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2590 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2591 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2592 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2593 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2594 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2595 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2596 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2597 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2598 #define VIDIOC_STREAMON _IOW('V', 18, int) 2599 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2600 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2601 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2602 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2603 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2604 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2605 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2606 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2607 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2608 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2609 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2610 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2611 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2612 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2613 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2614 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2615 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2616 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2617 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2618 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2619 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2620 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2621 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2622 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2623 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2624 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2625 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2626 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2627 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2628 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2629 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2630 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2631 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2632 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2633 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2634 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2635 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2636 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2637 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2638 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2639 #define VIDIOC_LOG_STATUS _IO('V', 70) 2640 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2641 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2642 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2643 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2644 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2645 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2646 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2647 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2648 2649 /* 2650 * Experimental, meant for debugging, testing and internal use. 2651 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2652 * You must be root to use these ioctls. Never use these in applications! 2653 */ 2654 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2655 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2656 2657 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2658 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2659 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2660 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2661 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2662 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2663 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2664 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2665 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2666 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2667 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2668 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2669 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2670 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2671 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2672 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2673 2674 /* 2675 * Experimental, meant for debugging, testing and internal use. 2676 * Never use this in applications! 2677 */ 2678 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2679 2680 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2681 2682 /* Reminder: when adding new ioctls please add support for them to 2683 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2684 2685 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2686 2687 /* Deprecated definitions kept for backwards compatibility */ 2688 #ifndef __KERNEL__ 2689 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16 2690 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32 2691 /* 2692 * This capability was never implemented, anyone using this cap should drop it 2693 * from their code. 2694 */ 2695 #define V4L2_CAP_ASYNCIO 0x02000000 2696 #endif 2697 2698 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2699