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 #define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */ 580 #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */ 581 #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */ 582 583 /* RGB formats (6 or 8 bytes per pixel) */ 584 #define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */ 585 #define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */ 586 587 /* Grey formats */ 588 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 589 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 590 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 591 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 592 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 593 #define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */ 594 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 595 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 596 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 597 598 /* Grey bit-packed formats */ 599 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 600 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 601 #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */ 602 #define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */ 603 #define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW14 packed */ 604 605 /* Palette formats */ 606 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 607 608 /* Chrominance formats */ 609 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 610 611 /* Luminance+Chrominance formats */ 612 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 613 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 614 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 615 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 616 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 617 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 618 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 619 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 620 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 621 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ 622 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 623 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 624 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 625 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 626 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 627 #define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */ 628 #define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */ 629 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 630 #define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */ 631 632 /* 633 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs 634 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs. 635 */ 636 #define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */ 637 #define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */ 638 #define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */ 639 640 /* two planes -- one Y, one Cr + Cb interleaved */ 641 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 642 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 643 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 644 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 645 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 646 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 647 #define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */ 648 #define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ 649 650 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 651 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 652 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 653 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 654 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 655 #define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ 656 657 /* three planes - Y Cb, Cr */ 658 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 659 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 660 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 661 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 662 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 663 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 664 665 /* three non contiguous planes - Y, Cb, Cr */ 666 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 667 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 668 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 669 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 670 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 671 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 672 673 /* Tiled YUV formats */ 674 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */ 675 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 676 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */ 677 #define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */ 678 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */ 679 #define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 680 #define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 681 682 /* Tiled YUV formats, non contiguous planes */ 683 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */ 684 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 685 #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 686 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 687 688 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 689 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 690 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 691 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 692 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 693 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 694 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 695 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 696 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 697 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 698 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 699 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 700 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 701 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 702 /* 10bit raw bayer a-law compressed to 8 bits */ 703 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 704 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 705 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 706 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 707 /* 10bit raw bayer DPCM compressed to 8 bits */ 708 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 709 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 710 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 711 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 712 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 713 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 714 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 715 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 716 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 717 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 718 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 719 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 720 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 721 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 722 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 723 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 724 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 725 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 726 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 727 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 728 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 729 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 730 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 731 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 732 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 733 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 734 735 /* HSV formats */ 736 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 737 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 738 739 /* compressed formats */ 740 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 741 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 742 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 743 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 744 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 745 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 746 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 747 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 748 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 749 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 750 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 751 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 752 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 753 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 754 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 755 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 756 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ 757 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 758 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */ 759 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 760 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 761 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 762 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 763 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ 764 #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */ 765 #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */ 766 #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */ 767 #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */ 768 769 /* Vendor-specific formats */ 770 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 771 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 772 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 773 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 774 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 775 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 776 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 777 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 778 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 779 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 780 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 781 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 782 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 783 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 784 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 785 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 786 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 787 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 788 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 789 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 790 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 791 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 792 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 793 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 794 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 795 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 796 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 797 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 798 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 799 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 800 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */ 801 #define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */ 802 #define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */ 803 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 804 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 805 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ 806 #define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */ 807 #define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */ 808 #define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */ 809 #define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */ 810 811 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 812 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 813 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 814 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 815 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 816 817 /* SDR formats - used only for Software Defined Radio devices */ 818 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 819 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 820 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 821 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 822 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 823 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 824 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 825 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 826 827 /* Touch formats - used for Touch devices */ 828 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 829 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 830 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 831 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 832 833 /* Meta-data formats */ 834 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 835 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 836 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 837 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 838 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 839 840 /* Vendor specific - used for RK_ISP1 camera sub-system */ 841 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 842 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 843 844 /* 845 * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when 846 * adding new ones! 847 */ 848 #define V4L2_META_FMT_GENERIC_8 v4l2_fourcc('M', 'E', 'T', '8') /* Generic 8-bit metadata */ 849 #define V4L2_META_FMT_GENERIC_CSI2_10 v4l2_fourcc('M', 'C', '1', 'A') /* 10-bit CSI-2 packed 8-bit metadata */ 850 #define V4L2_META_FMT_GENERIC_CSI2_12 v4l2_fourcc('M', 'C', '1', 'C') /* 12-bit CSI-2 packed 8-bit metadata */ 851 #define V4L2_META_FMT_GENERIC_CSI2_14 v4l2_fourcc('M', 'C', '1', 'E') /* 14-bit CSI-2 packed 8-bit metadata */ 852 #define V4L2_META_FMT_GENERIC_CSI2_16 v4l2_fourcc('M', 'C', '1', 'G') /* 16-bit CSI-2 packed 8-bit metadata */ 853 #define V4L2_META_FMT_GENERIC_CSI2_20 v4l2_fourcc('M', 'C', '1', 'K') /* 20-bit CSI-2 packed 8-bit metadata */ 854 #define V4L2_META_FMT_GENERIC_CSI2_24 v4l2_fourcc('M', 'C', '1', 'O') /* 24-bit CSI-2 packed 8-bit metadata */ 855 856 /* priv field value to indicates that subsequent fields are valid. */ 857 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 858 859 /* Flags */ 860 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 861 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 862 863 /* 864 * F O R M A T E N U M E R A T I O N 865 */ 866 struct v4l2_fmtdesc { 867 __u32 index; /* Format number */ 868 __u32 type; /* enum v4l2_buf_type */ 869 __u32 flags; 870 __u8 description[32]; /* Description string */ 871 __u32 pixelformat; /* Format fourcc */ 872 __u32 mbus_code; /* Media bus code */ 873 __u32 reserved[3]; 874 }; 875 876 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 877 #define V4L2_FMT_FLAG_EMULATED 0x0002 878 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 879 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 880 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 881 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 882 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 883 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 884 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 885 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 886 #define V4L2_FMT_FLAG_META_LINE_BASED 0x0200 887 888 /* Frame Size and frame rate enumeration */ 889 /* 890 * F R A M E S I Z E E N U M E R A T I O N 891 */ 892 enum v4l2_frmsizetypes { 893 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 894 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 895 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 896 }; 897 898 struct v4l2_frmsize_discrete { 899 __u32 width; /* Frame width [pixel] */ 900 __u32 height; /* Frame height [pixel] */ 901 }; 902 903 struct v4l2_frmsize_stepwise { 904 __u32 min_width; /* Minimum frame width [pixel] */ 905 __u32 max_width; /* Maximum frame width [pixel] */ 906 __u32 step_width; /* Frame width step size [pixel] */ 907 __u32 min_height; /* Minimum frame height [pixel] */ 908 __u32 max_height; /* Maximum frame height [pixel] */ 909 __u32 step_height; /* Frame height step size [pixel] */ 910 }; 911 912 struct v4l2_frmsizeenum { 913 __u32 index; /* Frame size number */ 914 __u32 pixel_format; /* Pixel format */ 915 __u32 type; /* Frame size type the device supports. */ 916 917 union { /* Frame size */ 918 struct v4l2_frmsize_discrete discrete; 919 struct v4l2_frmsize_stepwise stepwise; 920 }; 921 922 __u32 reserved[2]; /* Reserved space for future use */ 923 }; 924 925 /* 926 * F R A M E R A T E E N U M E R A T I O N 927 */ 928 enum v4l2_frmivaltypes { 929 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 930 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 931 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 932 }; 933 934 struct v4l2_frmival_stepwise { 935 struct v4l2_fract min; /* Minimum frame interval [s] */ 936 struct v4l2_fract max; /* Maximum frame interval [s] */ 937 struct v4l2_fract step; /* Frame interval step size [s] */ 938 }; 939 940 struct v4l2_frmivalenum { 941 __u32 index; /* Frame format index */ 942 __u32 pixel_format; /* Pixel format */ 943 __u32 width; /* Frame width */ 944 __u32 height; /* Frame height */ 945 __u32 type; /* Frame interval type the device supports. */ 946 947 union { /* Frame interval */ 948 struct v4l2_fract discrete; 949 struct v4l2_frmival_stepwise stepwise; 950 }; 951 952 __u32 reserved[2]; /* Reserved space for future use */ 953 }; 954 955 /* 956 * T I M E C O D E 957 */ 958 struct v4l2_timecode { 959 __u32 type; 960 __u32 flags; 961 __u8 frames; 962 __u8 seconds; 963 __u8 minutes; 964 __u8 hours; 965 __u8 userbits[4]; 966 }; 967 968 /* Type */ 969 #define V4L2_TC_TYPE_24FPS 1 970 #define V4L2_TC_TYPE_25FPS 2 971 #define V4L2_TC_TYPE_30FPS 3 972 #define V4L2_TC_TYPE_50FPS 4 973 #define V4L2_TC_TYPE_60FPS 5 974 975 /* Flags */ 976 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 977 #define V4L2_TC_FLAG_COLORFRAME 0x0002 978 #define V4L2_TC_USERBITS_field 0x000C 979 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 980 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 981 /* The above is based on SMPTE timecodes */ 982 983 struct v4l2_jpegcompression { 984 int quality; 985 986 int APPn; /* Number of APP segment to be written, 987 * must be 0..15 */ 988 int APP_len; /* Length of data in JPEG APPn segment */ 989 char APP_data[60]; /* Data in the JPEG APPn segment. */ 990 991 int COM_len; /* Length of data in JPEG COM segment */ 992 char COM_data[60]; /* Data in JPEG COM segment */ 993 994 __u32 jpeg_markers; /* Which markers should go into the JPEG 995 * output. Unless you exactly know what 996 * you do, leave them untouched. 997 * Including less markers will make the 998 * resulting code smaller, but there will 999 * be fewer applications which can read it. 1000 * The presence of the APP and COM marker 1001 * is influenced by APP_len and COM_len 1002 * ONLY, not by this property! */ 1003 1004 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 1005 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 1006 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 1007 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 1008 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 1009 * always use APP0 */ 1010 }; 1011 1012 /* 1013 * M E M O R Y - M A P P I N G B U F F E R S 1014 */ 1015 1016 #ifdef __KERNEL__ 1017 /* 1018 * This corresponds to the user space version of timeval 1019 * for 64-bit time_t. sparc64 is different from everyone 1020 * else, using the microseconds in the wrong half of the 1021 * second 64-bit word. 1022 */ 1023 struct __kernel_v4l2_timeval { 1024 long long tv_sec; 1025 #if defined(__sparc__) && defined(__arch64__) 1026 int tv_usec; 1027 int __pad; 1028 #else 1029 long long tv_usec; 1030 #endif 1031 }; 1032 #endif 1033 1034 struct v4l2_requestbuffers { 1035 __u32 count; 1036 __u32 type; /* enum v4l2_buf_type */ 1037 __u32 memory; /* enum v4l2_memory */ 1038 __u32 capabilities; 1039 __u8 flags; 1040 __u8 reserved[3]; 1041 }; 1042 1043 #define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0) 1044 1045 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 1046 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 1047 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 1048 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 1049 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 1050 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 1051 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 1052 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 1053 #define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7) 1054 #define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS (1 << 8) 1055 1056 /** 1057 * struct v4l2_plane - plane info for multi-planar buffers 1058 * @bytesused: number of bytes occupied by data in the plane (payload) 1059 * @length: size of this plane (NOT the payload) in bytes 1060 * @m.mem_offset: when memory in the associated struct v4l2_buffer is 1061 * V4L2_MEMORY_MMAP, equals the offset from the start of 1062 * the device memory for this plane (or is a "cookie" that 1063 * should be passed to mmap() called on the video node) 1064 * @m.userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 1065 * pointing to this plane 1066 * @m.fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 1067 * descriptor associated with this plane 1068 * @m: union of @mem_offset, @userptr and @fd 1069 * @data_offset: offset in the plane to the start of data; usually 0, 1070 * unless there is a header in front of the data 1071 * @reserved: drivers and applications must zero this array 1072 * 1073 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 1074 * with two planes can have one plane for Y, and another for interleaved CbCr 1075 * components. Each plane can reside in a separate memory buffer, or even in 1076 * a completely separate memory node (e.g. in embedded devices). 1077 */ 1078 struct v4l2_plane { 1079 __u32 bytesused; 1080 __u32 length; 1081 union { 1082 __u32 mem_offset; 1083 unsigned long userptr; 1084 __s32 fd; 1085 } m; 1086 __u32 data_offset; 1087 __u32 reserved[11]; 1088 }; 1089 1090 /** 1091 * struct v4l2_buffer - video buffer info 1092 * @index: id number of the buffer 1093 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1094 * multiplanar buffers); 1095 * @bytesused: number of bytes occupied by data in the buffer (payload); 1096 * unused (set to 0) for multiplanar buffers 1097 * @flags: buffer informational flags 1098 * @field: enum v4l2_field; field order of the image in the buffer 1099 * @timestamp: frame timestamp 1100 * @timecode: frame timecode 1101 * @sequence: sequence count of this frame 1102 * @memory: enum v4l2_memory; the method, in which the actual video data is 1103 * passed 1104 * @m.offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1105 * offset from the start of the device memory for this plane, 1106 * (or a "cookie" that should be passed to mmap() as offset) 1107 * @m.userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1108 * a userspace pointer pointing to this buffer 1109 * @m.fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1110 * a userspace file descriptor associated with this buffer 1111 * @m.planes: for multiplanar buffers; userspace pointer to the array of plane 1112 * info structs for this buffer 1113 * @m: union of @offset, @userptr, @planes and @fd 1114 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1115 * buffers (when type != *_MPLANE); number of elements in the 1116 * planes array for multi-plane buffers 1117 * @reserved2: drivers and applications must zero this field 1118 * @request_fd: fd of the request that this buffer should use 1119 * @reserved: for backwards compatibility with applications that do not know 1120 * about @request_fd 1121 * 1122 * Contains data exchanged by application and driver using one of the Streaming 1123 * I/O methods. 1124 */ 1125 struct v4l2_buffer { 1126 __u32 index; 1127 __u32 type; 1128 __u32 bytesused; 1129 __u32 flags; 1130 __u32 field; 1131 #ifdef __KERNEL__ 1132 struct __kernel_v4l2_timeval timestamp; 1133 #else 1134 struct timeval timestamp; 1135 #endif 1136 struct v4l2_timecode timecode; 1137 __u32 sequence; 1138 1139 /* memory location */ 1140 __u32 memory; 1141 union { 1142 __u32 offset; 1143 unsigned long userptr; 1144 struct v4l2_plane *planes; 1145 __s32 fd; 1146 } m; 1147 __u32 length; 1148 __u32 reserved2; 1149 union { 1150 __s32 request_fd; 1151 __u32 reserved; 1152 }; 1153 }; 1154 1155 #ifndef __KERNEL__ 1156 /** 1157 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1158 * @tv: pointer to the timeval variable to be converted 1159 * 1160 * Returns the scalar nanosecond representation of the timeval 1161 * parameter. 1162 */ 1163 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1164 { 1165 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1166 } 1167 #endif 1168 1169 /* Flags for 'flags' field */ 1170 /* Buffer is mapped (flag) */ 1171 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1172 /* Buffer is queued for processing */ 1173 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1174 /* Buffer is ready */ 1175 #define V4L2_BUF_FLAG_DONE 0x00000004 1176 /* Image is a keyframe (I-frame) */ 1177 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1178 /* Image is a P-frame */ 1179 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1180 /* Image is a B-frame */ 1181 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1182 /* Buffer is ready, but the data contained within is corrupted. */ 1183 #define V4L2_BUF_FLAG_ERROR 0x00000040 1184 /* Buffer is added to an unqueued request */ 1185 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1186 /* timecode field is valid */ 1187 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1188 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1189 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1190 /* Buffer is prepared for queuing */ 1191 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1192 /* Cache handling flags */ 1193 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1194 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1195 /* Timestamp type */ 1196 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1197 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1198 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1199 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1200 /* Timestamp sources. */ 1201 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1202 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1203 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1204 /* mem2mem encoder/decoder */ 1205 #define V4L2_BUF_FLAG_LAST 0x00100000 1206 /* request_fd is valid */ 1207 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1208 1209 /** 1210 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1211 * 1212 * @index: id number of the buffer 1213 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1214 * multiplanar buffers); 1215 * @plane: index of the plane to be exported, 0 for single plane queues 1216 * @flags: flags for newly created file, currently only O_CLOEXEC is 1217 * supported, refer to manual of open syscall for more details 1218 * @fd: file descriptor associated with DMABUF (set by driver) 1219 * @reserved: drivers and applications must zero this array 1220 * 1221 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1222 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1223 * (identical to the cookie used to mmap() the buffer to userspace). All 1224 * reserved fields must be set to zero. The field reserved0 is expected to 1225 * become a structure 'type' allowing an alternative layout of the structure 1226 * content. Therefore this field should not be used for any other extensions. 1227 */ 1228 struct v4l2_exportbuffer { 1229 __u32 type; /* enum v4l2_buf_type */ 1230 __u32 index; 1231 __u32 plane; 1232 __u32 flags; 1233 __s32 fd; 1234 __u32 reserved[11]; 1235 }; 1236 1237 /* 1238 * O V E R L A Y P R E V I E W 1239 */ 1240 struct v4l2_framebuffer { 1241 __u32 capability; 1242 __u32 flags; 1243 /* FIXME: in theory we should pass something like PCI device + memory 1244 * region + offset instead of some physical address */ 1245 void *base; 1246 struct { 1247 __u32 width; 1248 __u32 height; 1249 __u32 pixelformat; 1250 __u32 field; /* enum v4l2_field */ 1251 __u32 bytesperline; /* for padding, zero if unused */ 1252 __u32 sizeimage; 1253 __u32 colorspace; /* enum v4l2_colorspace */ 1254 __u32 priv; /* reserved field, set to 0 */ 1255 } fmt; 1256 }; 1257 /* Flags for the 'capability' field. Read only */ 1258 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1259 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1260 #ifndef __KERNEL__ 1261 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1262 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1263 #endif 1264 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1265 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1266 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1267 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1268 /* Flags for the 'flags' field. */ 1269 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1270 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1271 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1272 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1273 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1274 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1275 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1276 1277 struct v4l2_clip { 1278 struct v4l2_rect c; 1279 struct v4l2_clip __user *next; 1280 }; 1281 1282 struct v4l2_window { 1283 struct v4l2_rect w; 1284 __u32 field; /* enum v4l2_field */ 1285 __u32 chromakey; 1286 struct v4l2_clip *clips; 1287 __u32 clipcount; 1288 void __user *bitmap; 1289 __u8 global_alpha; 1290 }; 1291 1292 /* 1293 * C A P T U R E P A R A M E T E R S 1294 */ 1295 struct v4l2_captureparm { 1296 __u32 capability; /* Supported modes */ 1297 __u32 capturemode; /* Current mode */ 1298 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1299 __u32 extendedmode; /* Driver-specific extensions */ 1300 __u32 readbuffers; /* # of buffers for read */ 1301 __u32 reserved[4]; 1302 }; 1303 1304 /* Flags for 'capability' and 'capturemode' fields */ 1305 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1306 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1307 1308 struct v4l2_outputparm { 1309 __u32 capability; /* Supported modes */ 1310 __u32 outputmode; /* Current mode */ 1311 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1312 __u32 extendedmode; /* Driver-specific extensions */ 1313 __u32 writebuffers; /* # of buffers for write */ 1314 __u32 reserved[4]; 1315 }; 1316 1317 /* 1318 * I N P U T I M A G E C R O P P I N G 1319 */ 1320 struct v4l2_cropcap { 1321 __u32 type; /* enum v4l2_buf_type */ 1322 struct v4l2_rect bounds; 1323 struct v4l2_rect defrect; 1324 struct v4l2_fract pixelaspect; 1325 }; 1326 1327 struct v4l2_crop { 1328 __u32 type; /* enum v4l2_buf_type */ 1329 struct v4l2_rect c; 1330 }; 1331 1332 /** 1333 * struct v4l2_selection - selection info 1334 * @type: buffer type (do not use *_MPLANE types) 1335 * @target: Selection target, used to choose one of possible rectangles; 1336 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1337 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1338 * @r: coordinates of selection window 1339 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1340 * 1341 * Hardware may use multiple helper windows to process a video stream. 1342 * The structure is used to exchange this selection areas between 1343 * an application and a driver. 1344 */ 1345 struct v4l2_selection { 1346 __u32 type; 1347 __u32 target; 1348 __u32 flags; 1349 struct v4l2_rect r; 1350 __u32 reserved[9]; 1351 }; 1352 1353 1354 /* 1355 * A N A L O G V I D E O S T A N D A R D 1356 */ 1357 1358 typedef __u64 v4l2_std_id; 1359 1360 /* 1361 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1362 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1363 */ 1364 /* one bit for each */ 1365 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1366 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1367 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1368 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1369 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1370 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1371 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1372 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1373 1374 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1375 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1376 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1377 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1378 1379 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1380 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1381 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1382 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1383 1384 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1385 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1386 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1387 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1388 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1389 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1390 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1391 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1392 1393 /* ATSC/HDTV */ 1394 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1395 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1396 1397 /* FIXME: 1398 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1399 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1400 this value to 32 bits. 1401 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1402 it should work fine. However, if needed to add more than two standards, 1403 v4l2-common.c should be fixed. 1404 */ 1405 1406 /* 1407 * Some macros to merge video standards in order to make live easier for the 1408 * drivers and V4L2 applications 1409 */ 1410 1411 /* 1412 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1413 * Missing here. 1414 */ 1415 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1416 V4L2_STD_NTSC_M_JP |\ 1417 V4L2_STD_NTSC_M_KR) 1418 /* Secam macros */ 1419 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1420 V4L2_STD_SECAM_K |\ 1421 V4L2_STD_SECAM_K1) 1422 /* All Secam Standards */ 1423 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1424 V4L2_STD_SECAM_G |\ 1425 V4L2_STD_SECAM_H |\ 1426 V4L2_STD_SECAM_DK |\ 1427 V4L2_STD_SECAM_L |\ 1428 V4L2_STD_SECAM_LC) 1429 /* PAL macros */ 1430 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1431 V4L2_STD_PAL_B1 |\ 1432 V4L2_STD_PAL_G) 1433 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1434 V4L2_STD_PAL_D1 |\ 1435 V4L2_STD_PAL_K) 1436 /* 1437 * "Common" PAL - This macro is there to be compatible with the old 1438 * V4L1 concept of "PAL": /BGDKHI. 1439 * Several PAL standards are missing here: /M, /N and /Nc 1440 */ 1441 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1442 V4L2_STD_PAL_DK |\ 1443 V4L2_STD_PAL_H |\ 1444 V4L2_STD_PAL_I) 1445 /* Chroma "agnostic" standards */ 1446 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1447 V4L2_STD_PAL_B1 |\ 1448 V4L2_STD_SECAM_B) 1449 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1450 V4L2_STD_SECAM_G) 1451 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1452 V4L2_STD_SECAM_H) 1453 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1454 V4L2_STD_SECAM_LC) 1455 #define V4L2_STD_GH (V4L2_STD_G |\ 1456 V4L2_STD_H) 1457 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1458 V4L2_STD_SECAM_DK) 1459 #define V4L2_STD_BG (V4L2_STD_B |\ 1460 V4L2_STD_G) 1461 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1462 V4L2_STD_PAL_N |\ 1463 V4L2_STD_PAL_Nc |\ 1464 V4L2_STD_NTSC) 1465 1466 /* Standards where MTS/BTSC stereo could be found */ 1467 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1468 V4L2_STD_PAL_M |\ 1469 V4L2_STD_PAL_N |\ 1470 V4L2_STD_PAL_Nc) 1471 1472 /* Standards for Countries with 60Hz Line frequency */ 1473 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1474 V4L2_STD_PAL_60 |\ 1475 V4L2_STD_NTSC |\ 1476 V4L2_STD_NTSC_443) 1477 /* Standards for Countries with 50Hz Line frequency */ 1478 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1479 V4L2_STD_PAL_N |\ 1480 V4L2_STD_PAL_Nc |\ 1481 V4L2_STD_SECAM) 1482 1483 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1484 V4L2_STD_ATSC_16_VSB) 1485 /* Macros with none and all analog standards */ 1486 #define V4L2_STD_UNKNOWN 0 1487 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1488 V4L2_STD_625_50) 1489 1490 struct v4l2_standard { 1491 __u32 index; 1492 v4l2_std_id id; 1493 __u8 name[24]; 1494 struct v4l2_fract frameperiod; /* Frames, not fields */ 1495 __u32 framelines; 1496 __u32 reserved[4]; 1497 }; 1498 1499 /* 1500 * D V B T T I M I N G S 1501 */ 1502 1503 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1504 * @width: total width of the active video in pixels 1505 * @height: total height of the active video in lines 1506 * @interlaced: Interlaced or progressive 1507 * @polarities: Positive or negative polarities 1508 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1509 * @hfrontporch:Horizontal front porch in pixels 1510 * @hsync: Horizontal Sync length in pixels 1511 * @hbackporch: Horizontal back porch in pixels 1512 * @vfrontporch:Vertical front porch in lines 1513 * @vsync: Vertical Sync length in lines 1514 * @vbackporch: Vertical back porch in lines 1515 * @il_vfrontporch:Vertical front porch for the even field 1516 * (aka field 2) of interlaced field formats 1517 * @il_vsync: Vertical Sync length for the even field 1518 * (aka field 2) of interlaced field formats 1519 * @il_vbackporch:Vertical back porch for the even field 1520 * (aka field 2) of interlaced field formats 1521 * @standards: Standards the timing belongs to 1522 * @flags: Flags 1523 * @picture_aspect: The picture aspect ratio (hor/vert). 1524 * @cea861_vic: VIC code as per the CEA-861 standard. 1525 * @hdmi_vic: VIC code as per the HDMI standard. 1526 * @reserved: Reserved fields, must be zeroed. 1527 * 1528 * A note regarding vertical interlaced timings: height refers to the total 1529 * height of the active video frame (= two fields). The blanking timings refer 1530 * to the blanking of each field. So the height of the total frame is 1531 * calculated as follows: 1532 * 1533 * tot_height = height + vfrontporch + vsync + vbackporch + 1534 * il_vfrontporch + il_vsync + il_vbackporch 1535 * 1536 * The active height of each field is height / 2. 1537 */ 1538 struct v4l2_bt_timings { 1539 __u32 width; 1540 __u32 height; 1541 __u32 interlaced; 1542 __u32 polarities; 1543 __u64 pixelclock; 1544 __u32 hfrontporch; 1545 __u32 hsync; 1546 __u32 hbackporch; 1547 __u32 vfrontporch; 1548 __u32 vsync; 1549 __u32 vbackporch; 1550 __u32 il_vfrontporch; 1551 __u32 il_vsync; 1552 __u32 il_vbackporch; 1553 __u32 standards; 1554 __u32 flags; 1555 struct v4l2_fract picture_aspect; 1556 __u8 cea861_vic; 1557 __u8 hdmi_vic; 1558 __u8 reserved[46]; 1559 } __attribute__ ((packed)); 1560 1561 /* Interlaced or progressive format */ 1562 #define V4L2_DV_PROGRESSIVE 0 1563 #define V4L2_DV_INTERLACED 1 1564 1565 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1566 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1567 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1568 1569 /* Timings standards */ 1570 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1571 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1572 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1573 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1574 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1575 1576 /* Flags */ 1577 1578 /* 1579 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1580 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1581 * intervals are reduced, allowing a higher resolution over the same 1582 * bandwidth. This is a read-only flag. 1583 */ 1584 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1585 /* 1586 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1587 * of six. These formats can be optionally played at 1 / 1.001 speed. 1588 * This is a read-only flag. 1589 */ 1590 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1591 /* 1592 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1593 * by receivers. 1594 * If the framerate of the format is a multiple of six, then the pixelclock 1595 * used to set up the transmitter is divided by 1.001 to make it compatible 1596 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1597 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1598 * such frequencies, then the flag will also be cleared. 1599 */ 1600 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1601 /* 1602 * Specific to interlaced formats: if set, then field 1 is really one half-line 1603 * longer and field 2 is really one half-line shorter, so each field has 1604 * exactly the same number of half-lines. Whether half-lines can be detected 1605 * or used depends on the hardware. 1606 */ 1607 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1608 /* 1609 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1610 * differ from other formats (commonly called IT formats) in that if RGB 1611 * encoding is used then by default the RGB values use limited range (i.e. 1612 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1613 * except for the 640x480 format are CE formats. 1614 */ 1615 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1616 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1617 * total height. For these formats, if this flag is set, the first 1618 * field has the extra line. If not, it is the second field. 1619 */ 1620 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1621 /* 1622 * If set, then the picture_aspect field is valid. Otherwise assume that the 1623 * pixels are square, so the picture aspect ratio is the same as the width to 1624 * height ratio. 1625 */ 1626 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1627 /* 1628 * If set, then the cea861_vic field is valid and contains the Video 1629 * Identification Code as per the CEA-861 standard. 1630 */ 1631 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1632 /* 1633 * If set, then the hdmi_vic field is valid and contains the Video 1634 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1635 * InfoFrame). 1636 */ 1637 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1638 /* 1639 * CEA-861 specific: only valid for video receivers. 1640 * If set, then HW can detect the difference between regular FPS and 1641 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1642 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1643 */ 1644 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1645 1646 /* A few useful defines to calculate the total blanking and frame sizes */ 1647 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1648 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1649 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1650 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1651 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1652 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1653 ((bt)->interlaced ? \ 1654 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0)) 1655 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1656 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1657 1658 /** struct v4l2_dv_timings - DV timings 1659 * @type: the type of the timings 1660 * @bt: BT656/1120 timings 1661 */ 1662 struct v4l2_dv_timings { 1663 __u32 type; 1664 union { 1665 struct v4l2_bt_timings bt; 1666 __u32 reserved[32]; 1667 }; 1668 } __attribute__ ((packed)); 1669 1670 /* Values for the type field */ 1671 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1672 1673 1674 /** struct v4l2_enum_dv_timings - DV timings enumeration 1675 * @index: enumeration index 1676 * @pad: the pad number for which to enumerate timings (used with 1677 * v4l-subdev nodes only) 1678 * @reserved: must be zeroed 1679 * @timings: the timings for the given index 1680 */ 1681 struct v4l2_enum_dv_timings { 1682 __u32 index; 1683 __u32 pad; 1684 __u32 reserved[2]; 1685 struct v4l2_dv_timings timings; 1686 }; 1687 1688 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1689 * @min_width: width in pixels 1690 * @max_width: width in pixels 1691 * @min_height: height in lines 1692 * @max_height: height in lines 1693 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1694 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1695 * @standards: Supported standards 1696 * @capabilities: Supported capabilities 1697 * @reserved: Must be zeroed 1698 */ 1699 struct v4l2_bt_timings_cap { 1700 __u32 min_width; 1701 __u32 max_width; 1702 __u32 min_height; 1703 __u32 max_height; 1704 __u64 min_pixelclock; 1705 __u64 max_pixelclock; 1706 __u32 standards; 1707 __u32 capabilities; 1708 __u32 reserved[16]; 1709 } __attribute__ ((packed)); 1710 1711 /* Supports interlaced formats */ 1712 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1713 /* Supports progressive formats */ 1714 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1715 /* Supports CVT/GTF reduced blanking */ 1716 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1717 /* Supports custom formats */ 1718 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1719 1720 /** struct v4l2_dv_timings_cap - DV timings capabilities 1721 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1722 * @pad: the pad number for which to query capabilities (used with 1723 * v4l-subdev nodes only) 1724 * @bt: the BT656/1120 timings capabilities 1725 */ 1726 struct v4l2_dv_timings_cap { 1727 __u32 type; 1728 __u32 pad; 1729 __u32 reserved[2]; 1730 union { 1731 struct v4l2_bt_timings_cap bt; 1732 __u32 raw_data[32]; 1733 }; 1734 }; 1735 1736 1737 /* 1738 * V I D E O I N P U T S 1739 */ 1740 struct v4l2_input { 1741 __u32 index; /* Which input */ 1742 __u8 name[32]; /* Label */ 1743 __u32 type; /* Type of input */ 1744 __u32 audioset; /* Associated audios (bitfield) */ 1745 __u32 tuner; /* Tuner index */ 1746 v4l2_std_id std; 1747 __u32 status; 1748 __u32 capabilities; 1749 __u32 reserved[3]; 1750 }; 1751 1752 /* Values for the 'type' field */ 1753 #define V4L2_INPUT_TYPE_TUNER 1 1754 #define V4L2_INPUT_TYPE_CAMERA 2 1755 #define V4L2_INPUT_TYPE_TOUCH 3 1756 1757 /* field 'status' - general */ 1758 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1759 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1760 #define V4L2_IN_ST_NO_COLOR 0x00000004 1761 1762 /* field 'status' - sensor orientation */ 1763 /* If sensor is mounted upside down set both bits */ 1764 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1765 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1766 1767 /* field 'status' - analog */ 1768 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1769 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1770 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1771 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1772 1773 /* field 'status' - digital */ 1774 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1775 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1776 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1777 1778 /* field 'status' - VCR and set-top box */ 1779 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1780 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1781 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1782 1783 /* capabilities flags */ 1784 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1785 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1786 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1787 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1788 1789 /* 1790 * V I D E O O U T P U T S 1791 */ 1792 struct v4l2_output { 1793 __u32 index; /* Which output */ 1794 __u8 name[32]; /* Label */ 1795 __u32 type; /* Type of output */ 1796 __u32 audioset; /* Associated audios (bitfield) */ 1797 __u32 modulator; /* Associated modulator */ 1798 v4l2_std_id std; 1799 __u32 capabilities; 1800 __u32 reserved[3]; 1801 }; 1802 /* Values for the 'type' field */ 1803 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1804 #define V4L2_OUTPUT_TYPE_ANALOG 2 1805 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1806 1807 /* capabilities flags */ 1808 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1809 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1810 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1811 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1812 1813 /* 1814 * C O N T R O L S 1815 */ 1816 struct v4l2_control { 1817 __u32 id; 1818 __s32 value; 1819 }; 1820 1821 struct v4l2_ext_control { 1822 __u32 id; 1823 __u32 size; 1824 __u32 reserved2[1]; 1825 union { 1826 __s32 value; 1827 __s64 value64; 1828 char __user *string; 1829 __u8 __user *p_u8; 1830 __u16 __user *p_u16; 1831 __u32 __user *p_u32; 1832 __s32 __user *p_s32; 1833 __s64 __user *p_s64; 1834 struct v4l2_area __user *p_area; 1835 struct v4l2_ctrl_h264_sps __user *p_h264_sps; 1836 struct v4l2_ctrl_h264_pps __user *p_h264_pps; 1837 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix; 1838 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights; 1839 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params; 1840 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params; 1841 struct v4l2_ctrl_fwht_params __user *p_fwht_params; 1842 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame; 1843 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence; 1844 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture; 1845 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation; 1846 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs; 1847 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame; 1848 struct v4l2_ctrl_hevc_sps __user *p_hevc_sps; 1849 struct v4l2_ctrl_hevc_pps __user *p_hevc_pps; 1850 struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params; 1851 struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix; 1852 struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params; 1853 struct v4l2_ctrl_av1_sequence __user *p_av1_sequence; 1854 struct v4l2_ctrl_av1_tile_group_entry __user *p_av1_tile_group_entry; 1855 struct v4l2_ctrl_av1_frame __user *p_av1_frame; 1856 struct v4l2_ctrl_av1_film_grain __user *p_av1_film_grain; 1857 struct v4l2_ctrl_hdr10_cll_info __user *p_hdr10_cll_info; 1858 struct v4l2_ctrl_hdr10_mastering_display __user *p_hdr10_mastering_display; 1859 void __user *ptr; 1860 } __attribute__ ((packed)); 1861 } __attribute__ ((packed)); 1862 1863 struct v4l2_ext_controls { 1864 union { 1865 #ifndef __KERNEL__ 1866 __u32 ctrl_class; 1867 #endif 1868 __u32 which; 1869 }; 1870 __u32 count; 1871 __u32 error_idx; 1872 __s32 request_fd; 1873 __u32 reserved[1]; 1874 struct v4l2_ext_control *controls; 1875 }; 1876 1877 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1878 #ifndef __KERNEL__ 1879 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1880 #endif 1881 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1882 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1883 #define V4L2_CTRL_MAX_DIMS (4) 1884 #define V4L2_CTRL_WHICH_CUR_VAL 0 1885 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1886 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1887 1888 enum v4l2_ctrl_type { 1889 V4L2_CTRL_TYPE_INTEGER = 1, 1890 V4L2_CTRL_TYPE_BOOLEAN = 2, 1891 V4L2_CTRL_TYPE_MENU = 3, 1892 V4L2_CTRL_TYPE_BUTTON = 4, 1893 V4L2_CTRL_TYPE_INTEGER64 = 5, 1894 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1895 V4L2_CTRL_TYPE_STRING = 7, 1896 V4L2_CTRL_TYPE_BITMASK = 8, 1897 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1898 1899 /* Compound types are >= 0x0100 */ 1900 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1901 V4L2_CTRL_TYPE_U8 = 0x0100, 1902 V4L2_CTRL_TYPE_U16 = 0x0101, 1903 V4L2_CTRL_TYPE_U32 = 0x0102, 1904 V4L2_CTRL_TYPE_AREA = 0x0106, 1905 1906 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, 1907 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, 1908 1909 V4L2_CTRL_TYPE_H264_SPS = 0x0200, 1910 V4L2_CTRL_TYPE_H264_PPS = 0x0201, 1911 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, 1912 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, 1913 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, 1914 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, 1915 1916 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, 1917 1918 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, 1919 1920 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, 1921 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, 1922 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, 1923 1924 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260, 1925 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261, 1926 1927 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270, 1928 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271, 1929 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272, 1930 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273, 1931 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274, 1932 1933 V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280, 1934 V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281, 1935 V4L2_CTRL_TYPE_AV1_FRAME = 0x282, 1936 V4L2_CTRL_TYPE_AV1_FILM_GRAIN = 0x283, 1937 }; 1938 1939 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1940 struct v4l2_queryctrl { 1941 __u32 id; 1942 __u32 type; /* enum v4l2_ctrl_type */ 1943 __u8 name[32]; /* Whatever */ 1944 __s32 minimum; /* Note signedness */ 1945 __s32 maximum; 1946 __s32 step; 1947 __s32 default_value; 1948 __u32 flags; 1949 __u32 reserved[2]; 1950 }; 1951 1952 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1953 struct v4l2_query_ext_ctrl { 1954 __u32 id; 1955 __u32 type; 1956 char name[32]; 1957 __s64 minimum; 1958 __s64 maximum; 1959 __u64 step; 1960 __s64 default_value; 1961 __u32 flags; 1962 __u32 elem_size; 1963 __u32 elems; 1964 __u32 nr_of_dims; 1965 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1966 __u32 reserved[32]; 1967 }; 1968 1969 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1970 struct v4l2_querymenu { 1971 __u32 id; 1972 __u32 index; 1973 union { 1974 __u8 name[32]; /* Whatever */ 1975 __s64 value; 1976 }; 1977 __u32 reserved; 1978 } __attribute__ ((packed)); 1979 1980 /* Control flags */ 1981 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1982 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1983 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1984 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1985 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1986 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1987 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1988 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1989 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1990 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1991 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1992 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800 1993 1994 /* Query flags, to be ORed with the control ID */ 1995 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1996 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1997 1998 /* User-class control IDs defined by V4L2 */ 1999 #define V4L2_CID_MAX_CTRLS 1024 2000 /* IDs reserved for driver specific controls */ 2001 #define V4L2_CID_PRIVATE_BASE 0x08000000 2002 2003 2004 /* 2005 * T U N I N G 2006 */ 2007 struct v4l2_tuner { 2008 __u32 index; 2009 __u8 name[32]; 2010 __u32 type; /* enum v4l2_tuner_type */ 2011 __u32 capability; 2012 __u32 rangelow; 2013 __u32 rangehigh; 2014 __u32 rxsubchans; 2015 __u32 audmode; 2016 __s32 signal; 2017 __s32 afc; 2018 __u32 reserved[4]; 2019 }; 2020 2021 struct v4l2_modulator { 2022 __u32 index; 2023 __u8 name[32]; 2024 __u32 capability; 2025 __u32 rangelow; 2026 __u32 rangehigh; 2027 __u32 txsubchans; 2028 __u32 type; /* enum v4l2_tuner_type */ 2029 __u32 reserved[3]; 2030 }; 2031 2032 /* Flags for the 'capability' field */ 2033 #define V4L2_TUNER_CAP_LOW 0x0001 2034 #define V4L2_TUNER_CAP_NORM 0x0002 2035 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 2036 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 2037 #define V4L2_TUNER_CAP_STEREO 0x0010 2038 #define V4L2_TUNER_CAP_LANG2 0x0020 2039 #define V4L2_TUNER_CAP_SAP 0x0020 2040 #define V4L2_TUNER_CAP_LANG1 0x0040 2041 #define V4L2_TUNER_CAP_RDS 0x0080 2042 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 2043 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 2044 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 2045 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 2046 #define V4L2_TUNER_CAP_1HZ 0x1000 2047 2048 /* Flags for the 'rxsubchans' field */ 2049 #define V4L2_TUNER_SUB_MONO 0x0001 2050 #define V4L2_TUNER_SUB_STEREO 0x0002 2051 #define V4L2_TUNER_SUB_LANG2 0x0004 2052 #define V4L2_TUNER_SUB_SAP 0x0004 2053 #define V4L2_TUNER_SUB_LANG1 0x0008 2054 #define V4L2_TUNER_SUB_RDS 0x0010 2055 2056 /* Values for the 'audmode' field */ 2057 #define V4L2_TUNER_MODE_MONO 0x0000 2058 #define V4L2_TUNER_MODE_STEREO 0x0001 2059 #define V4L2_TUNER_MODE_LANG2 0x0002 2060 #define V4L2_TUNER_MODE_SAP 0x0002 2061 #define V4L2_TUNER_MODE_LANG1 0x0003 2062 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 2063 2064 struct v4l2_frequency { 2065 __u32 tuner; 2066 __u32 type; /* enum v4l2_tuner_type */ 2067 __u32 frequency; 2068 __u32 reserved[8]; 2069 }; 2070 2071 #define V4L2_BAND_MODULATION_VSB (1 << 1) 2072 #define V4L2_BAND_MODULATION_FM (1 << 2) 2073 #define V4L2_BAND_MODULATION_AM (1 << 3) 2074 2075 struct v4l2_frequency_band { 2076 __u32 tuner; 2077 __u32 type; /* enum v4l2_tuner_type */ 2078 __u32 index; 2079 __u32 capability; 2080 __u32 rangelow; 2081 __u32 rangehigh; 2082 __u32 modulation; 2083 __u32 reserved[9]; 2084 }; 2085 2086 struct v4l2_hw_freq_seek { 2087 __u32 tuner; 2088 __u32 type; /* enum v4l2_tuner_type */ 2089 __u32 seek_upward; 2090 __u32 wrap_around; 2091 __u32 spacing; 2092 __u32 rangelow; 2093 __u32 rangehigh; 2094 __u32 reserved[5]; 2095 }; 2096 2097 /* 2098 * R D S 2099 */ 2100 2101 struct v4l2_rds_data { 2102 __u8 lsb; 2103 __u8 msb; 2104 __u8 block; 2105 } __attribute__ ((packed)); 2106 2107 #define V4L2_RDS_BLOCK_MSK 0x7 2108 #define V4L2_RDS_BLOCK_A 0 2109 #define V4L2_RDS_BLOCK_B 1 2110 #define V4L2_RDS_BLOCK_C 2 2111 #define V4L2_RDS_BLOCK_D 3 2112 #define V4L2_RDS_BLOCK_C_ALT 4 2113 #define V4L2_RDS_BLOCK_INVALID 7 2114 2115 #define V4L2_RDS_BLOCK_CORRECTED 0x40 2116 #define V4L2_RDS_BLOCK_ERROR 0x80 2117 2118 /* 2119 * A U D I O 2120 */ 2121 struct v4l2_audio { 2122 __u32 index; 2123 __u8 name[32]; 2124 __u32 capability; 2125 __u32 mode; 2126 __u32 reserved[2]; 2127 }; 2128 2129 /* Flags for the 'capability' field */ 2130 #define V4L2_AUDCAP_STEREO 0x00001 2131 #define V4L2_AUDCAP_AVL 0x00002 2132 2133 /* Flags for the 'mode' field */ 2134 #define V4L2_AUDMODE_AVL 0x00001 2135 2136 struct v4l2_audioout { 2137 __u32 index; 2138 __u8 name[32]; 2139 __u32 capability; 2140 __u32 mode; 2141 __u32 reserved[2]; 2142 }; 2143 2144 /* 2145 * M P E G S E R V I C E S 2146 */ 2147 #if 1 2148 #define V4L2_ENC_IDX_FRAME_I (0) 2149 #define V4L2_ENC_IDX_FRAME_P (1) 2150 #define V4L2_ENC_IDX_FRAME_B (2) 2151 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 2152 2153 struct v4l2_enc_idx_entry { 2154 __u64 offset; 2155 __u64 pts; 2156 __u32 length; 2157 __u32 flags; 2158 __u32 reserved[2]; 2159 }; 2160 2161 #define V4L2_ENC_IDX_ENTRIES (64) 2162 struct v4l2_enc_idx { 2163 __u32 entries; 2164 __u32 entries_cap; 2165 __u32 reserved[4]; 2166 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2167 }; 2168 2169 2170 #define V4L2_ENC_CMD_START (0) 2171 #define V4L2_ENC_CMD_STOP (1) 2172 #define V4L2_ENC_CMD_PAUSE (2) 2173 #define V4L2_ENC_CMD_RESUME (3) 2174 2175 /* Flags for V4L2_ENC_CMD_STOP */ 2176 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2177 2178 struct v4l2_encoder_cmd { 2179 __u32 cmd; 2180 __u32 flags; 2181 union { 2182 struct { 2183 __u32 data[8]; 2184 } raw; 2185 }; 2186 }; 2187 2188 /* Decoder commands */ 2189 #define V4L2_DEC_CMD_START (0) 2190 #define V4L2_DEC_CMD_STOP (1) 2191 #define V4L2_DEC_CMD_PAUSE (2) 2192 #define V4L2_DEC_CMD_RESUME (3) 2193 #define V4L2_DEC_CMD_FLUSH (4) 2194 2195 /* Flags for V4L2_DEC_CMD_START */ 2196 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2197 2198 /* Flags for V4L2_DEC_CMD_PAUSE */ 2199 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2200 2201 /* Flags for V4L2_DEC_CMD_STOP */ 2202 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2203 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2204 2205 /* Play format requirements (returned by the driver): */ 2206 2207 /* The decoder has no special format requirements */ 2208 #define V4L2_DEC_START_FMT_NONE (0) 2209 /* The decoder requires full GOPs */ 2210 #define V4L2_DEC_START_FMT_GOP (1) 2211 2212 /* The structure must be zeroed before use by the application 2213 This ensures it can be extended safely in the future. */ 2214 struct v4l2_decoder_cmd { 2215 __u32 cmd; 2216 __u32 flags; 2217 union { 2218 struct { 2219 __u64 pts; 2220 } stop; 2221 2222 struct { 2223 /* 0 or 1000 specifies normal speed, 2224 1 specifies forward single stepping, 2225 -1 specifies backward single stepping, 2226 >1: playback at speed/1000 of the normal speed, 2227 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2228 __s32 speed; 2229 __u32 format; 2230 } start; 2231 2232 struct { 2233 __u32 data[16]; 2234 } raw; 2235 }; 2236 }; 2237 #endif 2238 2239 2240 /* 2241 * D A T A S E R V I C E S ( V B I ) 2242 * 2243 * Data services API by Michael Schimek 2244 */ 2245 2246 /* Raw VBI */ 2247 struct v4l2_vbi_format { 2248 __u32 sampling_rate; /* in 1 Hz */ 2249 __u32 offset; 2250 __u32 samples_per_line; 2251 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2252 __s32 start[2]; 2253 __u32 count[2]; 2254 __u32 flags; /* V4L2_VBI_* */ 2255 __u32 reserved[2]; /* must be zero */ 2256 }; 2257 2258 /* VBI flags */ 2259 #define V4L2_VBI_UNSYNC (1 << 0) 2260 #define V4L2_VBI_INTERLACED (1 << 1) 2261 2262 /* ITU-R start lines for each field */ 2263 #define V4L2_VBI_ITU_525_F1_START (1) 2264 #define V4L2_VBI_ITU_525_F2_START (264) 2265 #define V4L2_VBI_ITU_625_F1_START (1) 2266 #define V4L2_VBI_ITU_625_F2_START (314) 2267 2268 /* Sliced VBI 2269 * 2270 * This implements is a proposal V4L2 API to allow SLICED VBI 2271 * required for some hardware encoders. It should change without 2272 * notice in the definitive implementation. 2273 */ 2274 2275 struct v4l2_sliced_vbi_format { 2276 __u16 service_set; 2277 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2278 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2279 (equals frame lines 313-336 for 625 line video 2280 standards, 263-286 for 525 line standards) */ 2281 __u16 service_lines[2][24]; 2282 __u32 io_size; 2283 __u32 reserved[2]; /* must be zero */ 2284 }; 2285 2286 /* Teletext World System Teletext 2287 (WST), defined on ITU-R BT.653-2 */ 2288 #define V4L2_SLICED_TELETEXT_B (0x0001) 2289 /* Video Program System, defined on ETS 300 231*/ 2290 #define V4L2_SLICED_VPS (0x0400) 2291 /* Closed Caption, defined on EIA-608 */ 2292 #define V4L2_SLICED_CAPTION_525 (0x1000) 2293 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2294 #define V4L2_SLICED_WSS_625 (0x4000) 2295 2296 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2297 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2298 2299 struct v4l2_sliced_vbi_cap { 2300 __u16 service_set; 2301 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2302 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2303 (equals frame lines 313-336 for 625 line video 2304 standards, 263-286 for 525 line standards) */ 2305 __u16 service_lines[2][24]; 2306 __u32 type; /* enum v4l2_buf_type */ 2307 __u32 reserved[3]; /* must be 0 */ 2308 }; 2309 2310 struct v4l2_sliced_vbi_data { 2311 __u32 id; 2312 __u32 field; /* 0: first field, 1: second field */ 2313 __u32 line; /* 1-23 */ 2314 __u32 reserved; /* must be 0 */ 2315 __u8 data[48]; 2316 }; 2317 2318 /* 2319 * Sliced VBI data inserted into MPEG Streams 2320 */ 2321 2322 /* 2323 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2324 * 2325 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2326 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2327 * data 2328 * 2329 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2330 * definitions are not included here. See the MPEG-2 specifications for details 2331 * on these headers. 2332 */ 2333 2334 /* Line type IDs */ 2335 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2336 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2337 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2338 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2339 2340 struct v4l2_mpeg_vbi_itv0_line { 2341 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2342 __u8 data[42]; /* Sliced VBI data for the line */ 2343 } __attribute__ ((packed)); 2344 2345 struct v4l2_mpeg_vbi_itv0 { 2346 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2347 struct v4l2_mpeg_vbi_itv0_line line[35]; 2348 } __attribute__ ((packed)); 2349 2350 struct v4l2_mpeg_vbi_ITV0 { 2351 struct v4l2_mpeg_vbi_itv0_line line[36]; 2352 } __attribute__ ((packed)); 2353 2354 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2355 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2356 2357 struct v4l2_mpeg_vbi_fmt_ivtv { 2358 __u8 magic[4]; 2359 union { 2360 struct v4l2_mpeg_vbi_itv0 itv0; 2361 struct v4l2_mpeg_vbi_ITV0 ITV0; 2362 }; 2363 } __attribute__ ((packed)); 2364 2365 /* 2366 * A G G R E G A T E S T R U C T U R E S 2367 */ 2368 2369 /** 2370 * struct v4l2_plane_pix_format - additional, per-plane format definition 2371 * @sizeimage: maximum size in bytes required for data, for which 2372 * this plane will be used 2373 * @bytesperline: distance in bytes between the leftmost pixels in two 2374 * adjacent lines 2375 * @reserved: drivers and applications must zero this array 2376 */ 2377 struct v4l2_plane_pix_format { 2378 __u32 sizeimage; 2379 __u32 bytesperline; 2380 __u16 reserved[6]; 2381 } __attribute__ ((packed)); 2382 2383 /** 2384 * struct v4l2_pix_format_mplane - multiplanar format definition 2385 * @width: image width in pixels 2386 * @height: image height in pixels 2387 * @pixelformat: little endian four character code (fourcc) 2388 * @field: enum v4l2_field; field order (for interlaced video) 2389 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2390 * @plane_fmt: per-plane information 2391 * @num_planes: number of planes for this format 2392 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2393 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2394 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding 2395 * @quantization: enum v4l2_quantization, colorspace quantization 2396 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2397 * @reserved: drivers and applications must zero this array 2398 */ 2399 struct v4l2_pix_format_mplane { 2400 __u32 width; 2401 __u32 height; 2402 __u32 pixelformat; 2403 __u32 field; 2404 __u32 colorspace; 2405 2406 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2407 __u8 num_planes; 2408 __u8 flags; 2409 union { 2410 __u8 ycbcr_enc; 2411 __u8 hsv_enc; 2412 }; 2413 __u8 quantization; 2414 __u8 xfer_func; 2415 __u8 reserved[7]; 2416 } __attribute__ ((packed)); 2417 2418 /** 2419 * struct v4l2_sdr_format - SDR format definition 2420 * @pixelformat: little endian four character code (fourcc) 2421 * @buffersize: maximum size in bytes required for data 2422 * @reserved: drivers and applications must zero this array 2423 */ 2424 struct v4l2_sdr_format { 2425 __u32 pixelformat; 2426 __u32 buffersize; 2427 __u8 reserved[24]; 2428 } __attribute__ ((packed)); 2429 2430 /** 2431 * struct v4l2_meta_format - metadata format definition 2432 * @dataformat: little endian four character code (fourcc) 2433 * @buffersize: maximum size in bytes required for data 2434 * @width: number of data units of data per line (valid for line 2435 * based formats only, see format documentation) 2436 * @height: number of lines of data per buffer (valid for line based 2437 * formats only) 2438 * @bytesperline: offset between the beginnings of two adjacent lines in 2439 * bytes (valid for line based formats only) 2440 */ 2441 struct v4l2_meta_format { 2442 __u32 dataformat; 2443 __u32 buffersize; 2444 __u32 width; 2445 __u32 height; 2446 __u32 bytesperline; 2447 } __attribute__ ((packed)); 2448 2449 /** 2450 * struct v4l2_format - stream data format 2451 * @type: enum v4l2_buf_type; type of the data stream 2452 * @fmt.pix: definition of an image format 2453 * @fmt.pix_mp: definition of a multiplanar image format 2454 * @fmt.win: definition of an overlaid image 2455 * @fmt.vbi: raw VBI capture or output parameters 2456 * @fmt.sliced: sliced VBI capture or output parameters 2457 * @fmt.raw_data: placeholder for future extensions and custom formats 2458 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, 2459 * @meta and @raw_data 2460 */ 2461 struct v4l2_format { 2462 __u32 type; 2463 union { 2464 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2465 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2466 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2467 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2468 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2469 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2470 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2471 __u8 raw_data[200]; /* user-defined */ 2472 } fmt; 2473 }; 2474 2475 /* Stream type-dependent parameters 2476 */ 2477 struct v4l2_streamparm { 2478 __u32 type; /* enum v4l2_buf_type */ 2479 union { 2480 struct v4l2_captureparm capture; 2481 struct v4l2_outputparm output; 2482 __u8 raw_data[200]; /* user-defined */ 2483 } parm; 2484 }; 2485 2486 /* 2487 * E V E N T S 2488 */ 2489 2490 #define V4L2_EVENT_ALL 0 2491 #define V4L2_EVENT_VSYNC 1 2492 #define V4L2_EVENT_EOS 2 2493 #define V4L2_EVENT_CTRL 3 2494 #define V4L2_EVENT_FRAME_SYNC 4 2495 #define V4L2_EVENT_SOURCE_CHANGE 5 2496 #define V4L2_EVENT_MOTION_DET 6 2497 #define V4L2_EVENT_PRIVATE_START 0x08000000 2498 2499 /* Payload for V4L2_EVENT_VSYNC */ 2500 struct v4l2_event_vsync { 2501 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2502 __u8 field; 2503 } __attribute__ ((packed)); 2504 2505 /* Payload for V4L2_EVENT_CTRL */ 2506 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2507 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2508 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2509 #define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3) 2510 2511 struct v4l2_event_ctrl { 2512 __u32 changes; 2513 __u32 type; 2514 union { 2515 __s32 value; 2516 __s64 value64; 2517 }; 2518 __u32 flags; 2519 __s32 minimum; 2520 __s32 maximum; 2521 __s32 step; 2522 __s32 default_value; 2523 }; 2524 2525 struct v4l2_event_frame_sync { 2526 __u32 frame_sequence; 2527 }; 2528 2529 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2530 2531 struct v4l2_event_src_change { 2532 __u32 changes; 2533 }; 2534 2535 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2536 2537 /** 2538 * struct v4l2_event_motion_det - motion detection event 2539 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2540 * frame_sequence field is valid. 2541 * @frame_sequence: the frame sequence number associated with this event. 2542 * @region_mask: which regions detected motion. 2543 */ 2544 struct v4l2_event_motion_det { 2545 __u32 flags; 2546 __u32 frame_sequence; 2547 __u32 region_mask; 2548 }; 2549 2550 struct v4l2_event { 2551 __u32 type; 2552 union { 2553 struct v4l2_event_vsync vsync; 2554 struct v4l2_event_ctrl ctrl; 2555 struct v4l2_event_frame_sync frame_sync; 2556 struct v4l2_event_src_change src_change; 2557 struct v4l2_event_motion_det motion_det; 2558 __u8 data[64]; 2559 } u; 2560 __u32 pending; 2561 __u32 sequence; 2562 #ifdef __KERNEL__ 2563 struct __kernel_timespec timestamp; 2564 #else 2565 struct timespec timestamp; 2566 #endif 2567 __u32 id; 2568 __u32 reserved[8]; 2569 }; 2570 2571 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2572 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2573 2574 struct v4l2_event_subscription { 2575 __u32 type; 2576 __u32 id; 2577 __u32 flags; 2578 __u32 reserved[5]; 2579 }; 2580 2581 /* 2582 * A D V A N C E D D E B U G G I N G 2583 * 2584 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2585 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2586 */ 2587 2588 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2589 2590 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2591 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2592 2593 /* The following four defines are no longer in use */ 2594 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2595 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2596 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2597 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2598 2599 struct v4l2_dbg_match { 2600 __u32 type; /* Match type */ 2601 union { /* Match this chip, meaning determined by type */ 2602 __u32 addr; 2603 char name[32]; 2604 }; 2605 } __attribute__ ((packed)); 2606 2607 struct v4l2_dbg_register { 2608 struct v4l2_dbg_match match; 2609 __u32 size; /* register size in bytes */ 2610 __u64 reg; 2611 __u64 val; 2612 } __attribute__ ((packed)); 2613 2614 #define V4L2_CHIP_FL_READABLE (1 << 0) 2615 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2616 2617 /* VIDIOC_DBG_G_CHIP_INFO */ 2618 struct v4l2_dbg_chip_info { 2619 struct v4l2_dbg_match match; 2620 char name[32]; 2621 __u32 flags; 2622 __u32 reserved[32]; 2623 } __attribute__ ((packed)); 2624 2625 /** 2626 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2627 * @index: on return, index of the first created buffer 2628 * @count: entry: number of requested buffers, 2629 * return: number of created buffers 2630 * @memory: enum v4l2_memory; buffer memory type 2631 * @format: frame format, for which buffers are requested 2632 * @capabilities: capabilities of this buffer type. 2633 * @flags: additional buffer management attributes (ignored unless the 2634 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability 2635 * and configured for MMAP streaming I/O). 2636 * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set 2637 * this field indicate the maximum possible number of buffers 2638 * for this queue. 2639 * @reserved: future extensions 2640 */ 2641 struct v4l2_create_buffers { 2642 __u32 index; 2643 __u32 count; 2644 __u32 memory; 2645 struct v4l2_format format; 2646 __u32 capabilities; 2647 __u32 flags; 2648 __u32 max_num_buffers; 2649 __u32 reserved[5]; 2650 }; 2651 2652 /** 2653 * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument 2654 * @index: the first buffer to be removed 2655 * @count: number of buffers to removed 2656 * @type: enum v4l2_buf_type 2657 * @reserved: future extensions 2658 */ 2659 struct v4l2_remove_buffers { 2660 __u32 index; 2661 __u32 count; 2662 __u32 type; 2663 __u32 reserved[13]; 2664 }; 2665 2666 /* 2667 * 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 2668 * 2669 */ 2670 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2671 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2672 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2673 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2674 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2675 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2676 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2677 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2678 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2679 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2680 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2681 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2682 #define VIDIOC_STREAMON _IOW('V', 18, int) 2683 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2684 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2685 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2686 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2687 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2688 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2689 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2690 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2691 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2692 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2693 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2694 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2695 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2696 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2697 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2698 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2699 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2700 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2701 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2702 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2703 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2704 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2705 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2706 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2707 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2708 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2709 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2710 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2711 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2712 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2713 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2714 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2715 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2716 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2717 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2718 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2719 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2720 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2721 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2722 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2723 #define VIDIOC_LOG_STATUS _IO('V', 70) 2724 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2725 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2726 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2727 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2728 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2729 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2730 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2731 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2732 2733 /* 2734 * Experimental, meant for debugging, testing and internal use. 2735 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2736 * You must be root to use these ioctls. Never use these in applications! 2737 */ 2738 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2739 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2740 2741 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2742 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2743 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2744 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2745 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2746 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2747 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2748 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2749 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2750 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2751 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2752 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2753 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2754 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2755 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2756 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2757 2758 /* 2759 * Experimental, meant for debugging, testing and internal use. 2760 * Never use this in applications! 2761 */ 2762 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2763 2764 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2765 #define VIDIOC_REMOVE_BUFS _IOWR('V', 104, struct v4l2_remove_buffers) 2766 2767 2768 /* Reminder: when adding new ioctls please add support for them to 2769 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2770 2771 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2772 2773 /* Deprecated definitions kept for backwards compatibility */ 2774 #ifndef __KERNEL__ 2775 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16 2776 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32 2777 /* 2778 * This capability was never implemented, anyone using this cap should drop it 2779 * from their code. 2780 */ 2781 #define V4L2_CAP_ASYNCIO 0x02000000 2782 #endif 2783 2784 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2785