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