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