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 <bill@thedirks.org>
53 * Justin Schoeman
54 * Hans Verkuil <hverkuil@xs4all.nl>
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 */
88enum 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
141enum 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 /*
157 * Note: V4L2_TYPE_IS_VALID and V4L2_TYPE_IS_OUTPUT must
158 * be updated if a new type is added.
159 */
160 /* Deprecated, do not use */
161 V4L2_BUF_TYPE_PRIVATE = 0x80,
162};
163
164#define V4L2_TYPE_IS_VALID(type) \
165 ((type) >= V4L2_BUF_TYPE_VIDEO_CAPTURE &&\
166 (type) <= V4L2_BUF_TYPE_META_OUTPUT)
167
168#define V4L2_TYPE_IS_MULTIPLANAR(type) \
169 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
170 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
171
172#define V4L2_TYPE_IS_OUTPUT(type) \
173 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
174 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
175 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
176 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
177 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
178 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
179 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
180
181#define V4L2_TYPE_IS_CAPTURE(type) \
182 (V4L2_TYPE_IS_VALID(type) && !V4L2_TYPE_IS_OUTPUT(type))
183
184enum v4l2_tuner_type {
185 V4L2_TUNER_RADIO = 1,
186 V4L2_TUNER_ANALOG_TV = 2,
187 V4L2_TUNER_DIGITAL_TV = 3,
188 V4L2_TUNER_SDR = 4,
189 V4L2_TUNER_RF = 5,
190};
191
192/* Deprecated, do not use */
193#define V4L2_TUNER_ADC V4L2_TUNER_SDR
194
195enum v4l2_memory {
196 V4L2_MEMORY_MMAP = 1,
197 V4L2_MEMORY_USERPTR = 2,
198 V4L2_MEMORY_OVERLAY = 3,
199 V4L2_MEMORY_DMABUF = 4,
200};
201
202/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
203enum v4l2_colorspace {
204 /*
205 * Default colorspace, i.e. let the driver figure it out.
206 * Can only be used with video capture.
207 */
208 V4L2_COLORSPACE_DEFAULT = 0,
209
210 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
211 V4L2_COLORSPACE_SMPTE170M = 1,
212
213 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
214 V4L2_COLORSPACE_SMPTE240M = 2,
215
216 /* Rec.709: used for HDTV */
217 V4L2_COLORSPACE_REC709 = 3,
218
219 /*
220 * Deprecated, do not use. No driver will ever return this. This was
221 * based on a misunderstanding of the bt878 datasheet.
222 */
223 V4L2_COLORSPACE_BT878 = 4,
224
225 /*
226 * NTSC 1953 colorspace. This only makes sense when dealing with
227 * really, really old NTSC recordings. Superseded by SMPTE 170M.
228 */
229 V4L2_COLORSPACE_470_SYSTEM_M = 5,
230
231 /*
232 * EBU Tech 3213 PAL/SECAM colorspace.
233 */
234 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
235
236 /*
237 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
238 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
239 */
240 V4L2_COLORSPACE_JPEG = 7,
241
242 /* For RGB colorspaces such as produces by most webcams. */
243 V4L2_COLORSPACE_SRGB = 8,
244
245 /* opRGB colorspace */
246 V4L2_COLORSPACE_OPRGB = 9,
247
248 /* BT.2020 colorspace, used for UHDTV. */
249 V4L2_COLORSPACE_BT2020 = 10,
250
251 /* Raw colorspace: for RAW unprocessed images */
252 V4L2_COLORSPACE_RAW = 11,
253
254 /* DCI-P3 colorspace, used by cinema projectors */
255 V4L2_COLORSPACE_DCI_P3 = 12,
256
257#ifdef __KERNEL__
258 /*
259 * Largest supported colorspace value, assigned by the compiler, used
260 * by the framework to check for invalid values.
261 */
262 V4L2_COLORSPACE_LAST,
263#endif
264};
265
266/*
267 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
268 * This depends on whether this is a SDTV image (use SMPTE 170M), an
269 * HDTV image (use Rec. 709), or something else (use sRGB).
270 */
271#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
272 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
273 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
274
275enum v4l2_xfer_func {
276 /*
277 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
278 * for the various colorspaces:
279 *
280 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
281 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
282 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
283 *
284 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
285 *
286 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
287 *
288 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
289 *
290 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
291 *
292 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
293 */
294 V4L2_XFER_FUNC_DEFAULT = 0,
295 V4L2_XFER_FUNC_709 = 1,
296 V4L2_XFER_FUNC_SRGB = 2,
297 V4L2_XFER_FUNC_OPRGB = 3,
298 V4L2_XFER_FUNC_SMPTE240M = 4,
299 V4L2_XFER_FUNC_NONE = 5,
300 V4L2_XFER_FUNC_DCI_P3 = 6,
301 V4L2_XFER_FUNC_SMPTE2084 = 7,
302#ifdef __KERNEL__
303 /*
304 * Largest supported transfer function value, assigned by the compiler,
305 * used by the framework to check for invalid values.
306 */
307 V4L2_XFER_FUNC_LAST,
308#endif
309};
310
311/*
312 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
313 * This depends on the colorspace.
314 */
315#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
316 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
317 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
318 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
319 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
320 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
321 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
322
323enum v4l2_ycbcr_encoding {
324 /*
325 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
326 * various colorspaces:
327 *
328 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
329 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
330 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
331 *
332 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
333 *
334 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
335 *
336 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
337 */
338 V4L2_YCBCR_ENC_DEFAULT = 0,
339
340 /* ITU-R 601 -- SDTV */
341 V4L2_YCBCR_ENC_601 = 1,
342
343 /* Rec. 709 -- HDTV */
344 V4L2_YCBCR_ENC_709 = 2,
345
346 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
347 V4L2_YCBCR_ENC_XV601 = 3,
348
349 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
350 V4L2_YCBCR_ENC_XV709 = 4,
351
352#ifndef __KERNEL__
353 /*
354 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
355 * originally due to a misunderstanding of the sYCC standard. It should
356 * not be used, instead use V4L2_YCBCR_ENC_601.
357 */
358 V4L2_YCBCR_ENC_SYCC = 5,
359#endif
360
361 /* BT.2020 Non-constant Luminance Y'CbCr */
362 V4L2_YCBCR_ENC_BT2020 = 6,
363
364 /* BT.2020 Constant Luminance Y'CbcCrc */
365 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
366
367 /* SMPTE 240M -- Obsolete HDTV */
368 V4L2_YCBCR_ENC_SMPTE240M = 8,
369#ifdef __KERNEL__
370 /*
371 * Largest supported encoding value, assigned by the compiler, used by
372 * the framework to check for invalid values.
373 */
374 V4L2_YCBCR_ENC_LAST,
375#endif
376};
377
378/*
379 * enum v4l2_hsv_encoding values should not collide with the ones from
380 * enum v4l2_ycbcr_encoding.
381 */
382enum v4l2_hsv_encoding {
383
384 /* Hue mapped to 0 - 179 */
385 V4L2_HSV_ENC_180 = 128,
386
387 /* Hue mapped to 0-255 */
388 V4L2_HSV_ENC_256 = 129,
389};
390
391/*
392 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
393 * This depends on the colorspace.
394 */
395#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
396 (((colsp) == V4L2_COLORSPACE_REC709 || \
397 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
398 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
399 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
400 V4L2_YCBCR_ENC_601)))
401
402enum v4l2_quantization {
403 /*
404 * The default for R'G'B' quantization is always full range.
405 * For Y'CbCr the quantization is always limited range, except
406 * for COLORSPACE_JPEG: this is full range.
407 */
408 V4L2_QUANTIZATION_DEFAULT = 0,
409 V4L2_QUANTIZATION_FULL_RANGE = 1,
410 V4L2_QUANTIZATION_LIM_RANGE = 2,
411};
412
413/*
414 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
415 * This depends on whether the image is RGB or not, the colorspace.
416 * The Y'CbCr encoding is not used anymore, but is still there for backwards
417 * compatibility.
418 */
419#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
420 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
421 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
422
423/*
424 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
425 *
426 * WARNING: Please don't use these deprecated defines in your code, as
427 * there is a chance we have to remove them in the future.
428 */
429#ifndef __KERNEL__
430#define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
431#define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
432#endif
433
434enum v4l2_priority {
435 V4L2_PRIORITY_UNSET = 0, /* not initialized */
436 V4L2_PRIORITY_BACKGROUND = 1,
437 V4L2_PRIORITY_INTERACTIVE = 2,
438 V4L2_PRIORITY_RECORD = 3,
439 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
440};
441
442struct v4l2_rect {
443 __s32 left;
444 __s32 top;
445 __u32 width;
446 __u32 height;
447};
448
449struct v4l2_fract {
450 __u32 numerator;
451 __u32 denominator;
452};
453
454struct v4l2_area {
455 __u32 width;
456 __u32 height;
457};
458
459/**
460 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
461 *
462 * @driver: name of the driver module (e.g. "bttv")
463 * @card: name of the card (e.g. "Hauppauge WinTV")
464 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
465 * @version: KERNEL_VERSION
466 * @capabilities: capabilities of the physical device as a whole
467 * @device_caps: capabilities accessed via this particular device (node)
468 * @reserved: reserved fields for future extensions
469 */
470struct v4l2_capability {
471 __u8 driver[16];
472 __u8 card[32];
473 __u8 bus_info[32];
474 __u32 version;
475 __u32 capabilities;
476 __u32 device_caps;
477 __u32 reserved[3];
478};
479
480/* Values for 'capabilities' field */
481#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
482#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
483#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
484#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
485#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
486#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
487#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
488#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
489#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
490#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
491#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
492
493/* Is a video capture device that supports multiplanar formats */
494#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
495/* Is a video output device that supports multiplanar formats */
496#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
497/* Is a video mem-to-mem device that supports multiplanar formats */
498#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
499/* Is a video mem-to-mem device */
500#define V4L2_CAP_VIDEO_M2M 0x00008000
501
502#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
503#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
504#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
505#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
506
507#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
508#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
509#define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
510#define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
511
512#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
513#define V4L2_CAP_EDID 0x02000000 /* Is an EDID-only device */
514#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
515#define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
516
517#define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
518
519#define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */
520
521#define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
522
523/*
524 * V I D E O I M A G E F O R M A T
525 */
526struct v4l2_pix_format {
527 __u32 width;
528 __u32 height;
529 __u32 pixelformat;
530 __u32 field; /* enum v4l2_field */
531 __u32 bytesperline; /* for padding, zero if unused */
532 __u32 sizeimage;
533 __u32 colorspace; /* enum v4l2_colorspace */
534 __u32 priv; /* private data, depends on pixelformat */
535 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
536 union {
537 /* enum v4l2_ycbcr_encoding */
538 __u32 ycbcr_enc;
539 /* enum v4l2_hsv_encoding */
540 __u32 hsv_enc;
541 };
542 __u32 quantization; /* enum v4l2_quantization */
543 __u32 xfer_func; /* enum v4l2_xfer_func */
544};
545
546/* Pixel format FOURCC depth Description */
547
548/* RGB formats (1 or 2 bytes per pixel) */
549#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
550#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
551#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
552#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
553#define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
554#define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
555#define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
556#define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
557#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
558#define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
559#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
560#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
561#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
562#define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
563#define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
564#define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
565#define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
566#define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
567#define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
568#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
569#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
570#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
571#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
572#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
573
574/* RGB formats (3 or 4 bytes per pixel) */
575#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
576#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
577#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
578#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
579#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
580#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
581#define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
582#define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
583#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
584#define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
585#define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
586#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
587#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
588#define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */
589#define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */
590#define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */
591
592/* RGB formats (6 or 8 bytes per pixel) */
593#define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */
594#define V4L2_PIX_FMT_BGR48 v4l2_fourcc('B', 'G', 'R', '6') /* 48 BGR 16-bit per component */
595#define V4L2_PIX_FMT_RGB48 v4l2_fourcc('R', 'G', 'B', '6') /* 48 RGB 16-bit per component */
596#define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */
597
598/* Grey formats */
599#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
600#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
601#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
602#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
603#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
604#define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */
605#define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */
606#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
607#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
608
609/* Grey bit-packed formats */
610#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
611#define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
612#define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
613#define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */
614#define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW14 packed */
615
616/* Palette formats */
617#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
618
619/* Chrominance formats */
620#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
621
622/* Luminance+Chrominance formats */
623#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
624#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
625#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
626#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
627#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
628#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
629#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
630#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
631#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
632#define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
633#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
634#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
635#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
636#define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
637#define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
638#define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */
639#define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */
640#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
641#define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */
642
643/*
644 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs
645 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
646 */
647#define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */
648#define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */
649#define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */
650
651/* two planes -- one Y, one Cr + Cb interleaved */
652#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
653#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
654#define V4L2_PIX_FMT_NV15 v4l2_fourcc('N', 'V', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit packed */
655#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
656#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
657#define V4L2_PIX_FMT_NV20 v4l2_fourcc('N', 'V', '2', '0') /* 20 Y/CbCr 4:2:2 10-bit packed */
658#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
659#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
660#define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */
661#define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
662
663/* two non contiguous planes - one Y, one Cr + Cb interleaved */
664#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
665#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
666#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
667#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
668#define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
669
670/* three planes - Y Cb, Cr */
671#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
672#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
673#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
674#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
675#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
676#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
677
678/* three non contiguous planes - Y, Cb, Cr */
679#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
680#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
681#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
682#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
683#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
684#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
685
686/* Tiled YUV formats */
687#define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */
688#define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
689#define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */
690#define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */
691#define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
692#define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
693#define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
694
695/* Tiled YUV formats, non contiguous planes */
696#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */
697#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
698#define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
699#define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
700
701/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
702#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
703#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
704#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
705#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
706#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
707#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
708#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
709#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
710 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
711#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
712#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
713#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
714#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
715 /* 10bit raw bayer a-law compressed to 8 bits */
716#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
717#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
718#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
719#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
720 /* 10bit raw bayer DPCM compressed to 8 bits */
721#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
722#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
723#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
724#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
725#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
726#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
727#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
728#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
729 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
730#define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
731#define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
732#define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
733#define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
734#define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */
735#define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */
736#define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */
737#define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */
738 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
739#define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
740#define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
741#define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
742#define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
743#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
744#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
745#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
746#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
747
748/* HSV formats */
749#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
750#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
751
752/* compressed formats */
753#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
754#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
755#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
756#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
757#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
758#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
759#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
760#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
761#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
762#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
763#define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
764#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
765#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
766#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
767#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
768#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
769#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
770#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
771#define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
772#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
773#define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
774#define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
775#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
776#define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
777#define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */
778#define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */
779#define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
780#define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */
781
782/* Vendor-specific formats */
783#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
784#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
785#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
786#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
787#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
788#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
789#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
790#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
791#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
792#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
793#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
794#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
795#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
796#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
797#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
798#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
799#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
800#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
801#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
802#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
803#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
804#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
805#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
806#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
807#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
808#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
809#define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
810#define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
811#define V4L2_PIX_FMT_Y16I v4l2_fourcc('Y', '1', '6', 'I') /* Greyscale 16-bit L/R interleaved */
812#define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
813#define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
814#define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
815#define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */
816#define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */
817#define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
818#define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
819#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
820#define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
821#define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
822#define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
823#define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */
824
825/* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
826#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
827#define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
828#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
829#define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
830
831/* Raspberry Pi PiSP compressed formats. */
832#define V4L2_PIX_FMT_PISP_COMP1_RGGB v4l2_fourcc('P', 'C', '1', 'R') /* PiSP 8-bit mode 1 compressed RGGB bayer */
833#define V4L2_PIX_FMT_PISP_COMP1_GRBG v4l2_fourcc('P', 'C', '1', 'G') /* PiSP 8-bit mode 1 compressed GRBG bayer */
834#define V4L2_PIX_FMT_PISP_COMP1_GBRG v4l2_fourcc('P', 'C', '1', 'g') /* PiSP 8-bit mode 1 compressed GBRG bayer */
835#define V4L2_PIX_FMT_PISP_COMP1_BGGR v4l2_fourcc('P', 'C', '1', 'B') /* PiSP 8-bit mode 1 compressed BGGR bayer */
836#define V4L2_PIX_FMT_PISP_COMP1_MONO v4l2_fourcc('P', 'C', '1', 'M') /* PiSP 8-bit mode 1 compressed monochrome */
837#define V4L2_PIX_FMT_PISP_COMP2_RGGB v4l2_fourcc('P', 'C', '2', 'R') /* PiSP 8-bit mode 2 compressed RGGB bayer */
838#define V4L2_PIX_FMT_PISP_COMP2_GRBG v4l2_fourcc('P', 'C', '2', 'G') /* PiSP 8-bit mode 2 compressed GRBG bayer */
839#define V4L2_PIX_FMT_PISP_COMP2_GBRG v4l2_fourcc('P', 'C', '2', 'g') /* PiSP 8-bit mode 2 compressed GBRG bayer */
840#define V4L2_PIX_FMT_PISP_COMP2_BGGR v4l2_fourcc('P', 'C', '2', 'B') /* PiSP 8-bit mode 2 compressed BGGR bayer */
841#define V4L2_PIX_FMT_PISP_COMP2_MONO v4l2_fourcc('P', 'C', '2', 'M') /* PiSP 8-bit mode 2 compressed monochrome */
842
843/* SDR formats - used only for Software Defined Radio devices */
844#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
845#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
846#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
847#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
848#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
849#define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
850#define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
851#define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
852
853/* Touch formats - used for Touch devices */
854#define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
855#define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
856#define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
857#define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
858
859/* Meta-data formats */
860#define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
861#define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
862#define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
863#define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
864#define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
865
866/* Vendor specific - used for RK_ISP1 camera sub-system */
867#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
868#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
869#define V4L2_META_FMT_RK_ISP1_EXT_PARAMS v4l2_fourcc('R', 'K', '1', 'E') /* Rockchip ISP1 3a Extensible Parameters */
870
871/* Vendor specific - used for C3_ISP */
872#define V4L2_META_FMT_C3ISP_PARAMS v4l2_fourcc('C', '3', 'P', 'M') /* Amlogic C3 ISP Parameters */
873#define V4L2_META_FMT_C3ISP_STATS v4l2_fourcc('C', '3', 'S', 'T') /* Amlogic C3 ISP Statistics */
874
875/* Vendor specific - used for RaspberryPi PiSP */
876#define V4L2_META_FMT_RPI_BE_CFG v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */
877#define V4L2_META_FMT_RPI_FE_CFG v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */
878#define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */
879
880#ifdef __KERNEL__
881/*
882 * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when
883 * adding new ones!
884 */
885#define V4L2_META_FMT_GENERIC_8 v4l2_fourcc('M', 'E', 'T', '8') /* Generic 8-bit metadata */
886#define V4L2_META_FMT_GENERIC_CSI2_10 v4l2_fourcc('M', 'C', '1', 'A') /* 10-bit CSI-2 packed 8-bit metadata */
887#define V4L2_META_FMT_GENERIC_CSI2_12 v4l2_fourcc('M', 'C', '1', 'C') /* 12-bit CSI-2 packed 8-bit metadata */
888#define V4L2_META_FMT_GENERIC_CSI2_14 v4l2_fourcc('M', 'C', '1', 'E') /* 14-bit CSI-2 packed 8-bit metadata */
889#define V4L2_META_FMT_GENERIC_CSI2_16 v4l2_fourcc('M', 'C', '1', 'G') /* 16-bit CSI-2 packed 8-bit metadata */
890#define V4L2_META_FMT_GENERIC_CSI2_20 v4l2_fourcc('M', 'C', '1', 'K') /* 20-bit CSI-2 packed 8-bit metadata */
891#define V4L2_META_FMT_GENERIC_CSI2_24 v4l2_fourcc('M', 'C', '1', 'O') /* 24-bit CSI-2 packed 8-bit metadata */
892#endif
893
894/* priv field value to indicates that subsequent fields are valid. */
895#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
896
897/* Flags */
898#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
899#define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002
900
901/*
902 * F O R M A T E N U M E R A T I O N
903 */
904struct v4l2_fmtdesc {
905 __u32 index; /* Format number */
906 __u32 type; /* enum v4l2_buf_type */
907 __u32 flags;
908 __u8 description[32]; /* Description string */
909 __u32 pixelformat; /* Format fourcc */
910 __u32 mbus_code; /* Media bus code */
911 __u32 reserved[3];
912};
913
914#define V4L2_FMT_FLAG_COMPRESSED 0x0001
915#define V4L2_FMT_FLAG_EMULATED 0x0002
916#define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
917#define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
918#define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
919#define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020
920#define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040
921#define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
922#define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
923#define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
924#define V4L2_FMT_FLAG_META_LINE_BASED 0x0200
925
926/* Format description flag, to be ORed with the index */
927#define V4L2_FMTDESC_FLAG_ENUM_ALL 0x80000000
928
929 /* Frame Size and frame rate enumeration */
930/*
931 * F R A M E S I Z E E N U M E R A T I O N
932 */
933enum v4l2_frmsizetypes {
934 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
935 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
936 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
937};
938
939struct v4l2_frmsize_discrete {
940 __u32 width; /* Frame width [pixel] */
941 __u32 height; /* Frame height [pixel] */
942};
943
944struct v4l2_frmsize_stepwise {
945 __u32 min_width; /* Minimum frame width [pixel] */
946 __u32 max_width; /* Maximum frame width [pixel] */
947 __u32 step_width; /* Frame width step size [pixel] */
948 __u32 min_height; /* Minimum frame height [pixel] */
949 __u32 max_height; /* Maximum frame height [pixel] */
950 __u32 step_height; /* Frame height step size [pixel] */
951};
952
953struct v4l2_frmsizeenum {
954 __u32 index; /* Frame size number */
955 __u32 pixel_format; /* Pixel format */
956 __u32 type; /* Frame size type the device supports. */
957
958 union { /* Frame size */
959 struct v4l2_frmsize_discrete discrete;
960 struct v4l2_frmsize_stepwise stepwise;
961 };
962
963 __u32 reserved[2]; /* Reserved space for future use */
964};
965
966/*
967 * F R A M E R A T E E N U M E R A T I O N
968 */
969enum v4l2_frmivaltypes {
970 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
971 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
972 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
973};
974
975struct v4l2_frmival_stepwise {
976 struct v4l2_fract min; /* Minimum frame interval [s] */
977 struct v4l2_fract max; /* Maximum frame interval [s] */
978 struct v4l2_fract step; /* Frame interval step size [s] */
979};
980
981struct v4l2_frmivalenum {
982 __u32 index; /* Frame format index */
983 __u32 pixel_format; /* Pixel format */
984 __u32 width; /* Frame width */
985 __u32 height; /* Frame height */
986 __u32 type; /* Frame interval type the device supports. */
987
988 union { /* Frame interval */
989 struct v4l2_fract discrete;
990 struct v4l2_frmival_stepwise stepwise;
991 };
992
993 __u32 reserved[2]; /* Reserved space for future use */
994};
995
996/*
997 * T I M E C O D E
998 */
999struct v4l2_timecode {
1000 __u32 type;
1001 __u32 flags;
1002 __u8 frames;
1003 __u8 seconds;
1004 __u8 minutes;
1005 __u8 hours;
1006 __u8 userbits[4];
1007};
1008
1009/* Type */
1010#define V4L2_TC_TYPE_24FPS 1
1011#define V4L2_TC_TYPE_25FPS 2
1012#define V4L2_TC_TYPE_30FPS 3
1013#define V4L2_TC_TYPE_50FPS 4
1014#define V4L2_TC_TYPE_60FPS 5
1015
1016/* Flags */
1017#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
1018#define V4L2_TC_FLAG_COLORFRAME 0x0002
1019#define V4L2_TC_USERBITS_field 0x000C
1020#define V4L2_TC_USERBITS_USERDEFINED 0x0000
1021#define V4L2_TC_USERBITS_8BITCHARS 0x0008
1022/* The above is based on SMPTE timecodes */
1023
1024struct v4l2_jpegcompression {
1025 int quality;
1026
1027 int APPn; /* Number of APP segment to be written,
1028 * must be 0..15 */
1029 int APP_len; /* Length of data in JPEG APPn segment */
1030 char APP_data[60]; /* Data in the JPEG APPn segment. */
1031
1032 int COM_len; /* Length of data in JPEG COM segment */
1033 char COM_data[60]; /* Data in JPEG COM segment */
1034
1035 __u32 jpeg_markers; /* Which markers should go into the JPEG
1036 * output. Unless you exactly know what
1037 * you do, leave them untouched.
1038 * Including less markers will make the
1039 * resulting code smaller, but there will
1040 * be fewer applications which can read it.
1041 * The presence of the APP and COM marker
1042 * is influenced by APP_len and COM_len
1043 * ONLY, not by this property! */
1044
1045#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
1046#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
1047#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
1048#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
1049#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
1050 * always use APP0 */
1051};
1052
1053/*
1054 * M E M O R Y - M A P P I N G B U F F E R S
1055 */
1056
1057#ifdef __KERNEL__
1058/*
1059 * This corresponds to the user space version of timeval
1060 * for 64-bit time_t. sparc64 is different from everyone
1061 * else, using the microseconds in the wrong half of the
1062 * second 64-bit word.
1063 */
1064struct __kernel_v4l2_timeval {
1065 long long tv_sec;
1066#if defined(__sparc__) && defined(__arch64__)
1067 int tv_usec;
1068 int __pad;
1069#else
1070 long long tv_usec;
1071#endif
1072};
1073#endif
1074
1075struct v4l2_requestbuffers {
1076 __u32 count;
1077 __u32 type; /* enum v4l2_buf_type */
1078 __u32 memory; /* enum v4l2_memory */
1079 __u32 capabilities;
1080 __u8 flags;
1081 __u8 reserved[3];
1082};
1083
1084#define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0)
1085
1086/* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
1087#define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
1088#define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
1089#define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
1090#define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
1091#define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
1092#define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
1093#define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
1094#define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7)
1095#define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS (1 << 8)
1096
1097/**
1098 * struct v4l2_plane - plane info for multi-planar buffers
1099 * @bytesused: number of bytes occupied by data in the plane (payload)
1100 * @length: size of this plane (NOT the payload) in bytes
1101 * @m.mem_offset: when memory in the associated struct v4l2_buffer is
1102 * V4L2_MEMORY_MMAP, equals the offset from the start of
1103 * the device memory for this plane (or is a "cookie" that
1104 * should be passed to mmap() called on the video node)
1105 * @m.userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
1106 * pointing to this plane
1107 * @m.fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
1108 * descriptor associated with this plane
1109 * @m: union of @mem_offset, @userptr and @fd
1110 * @data_offset: offset in the plane to the start of data; usually 0,
1111 * unless there is a header in front of the data
1112 * @reserved: drivers and applications must zero this array
1113 *
1114 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1115 * with two planes can have one plane for Y, and another for interleaved CbCr
1116 * components. Each plane can reside in a separate memory buffer, or even in
1117 * a completely separate memory node (e.g. in embedded devices).
1118 */
1119struct v4l2_plane {
1120 __u32 bytesused;
1121 __u32 length;
1122 union {
1123 __u32 mem_offset;
1124 unsigned long userptr;
1125 __s32 fd;
1126 } m;
1127 __u32 data_offset;
1128 __u32 reserved[11];
1129};
1130
1131/**
1132 * struct v4l2_buffer - video buffer info
1133 * @index: id number of the buffer
1134 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1135 * multiplanar buffers);
1136 * @bytesused: number of bytes occupied by data in the buffer (payload);
1137 * unused (set to 0) for multiplanar buffers
1138 * @flags: buffer informational flags
1139 * @field: enum v4l2_field; field order of the image in the buffer
1140 * @timestamp: frame timestamp
1141 * @timecode: frame timecode
1142 * @sequence: sequence count of this frame
1143 * @memory: enum v4l2_memory; the method, in which the actual video data is
1144 * passed
1145 * @m.offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1146 * offset from the start of the device memory for this plane,
1147 * (or a "cookie" that should be passed to mmap() as offset)
1148 * @m.userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1149 * a userspace pointer pointing to this buffer
1150 * @m.fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1151 * a userspace file descriptor associated with this buffer
1152 * @m.planes: for multiplanar buffers; userspace pointer to the array of plane
1153 * info structs for this buffer
1154 * @m: union of @offset, @userptr, @planes and @fd
1155 * @length: size in bytes of the buffer (NOT its payload) for single-plane
1156 * buffers (when type != *_MPLANE); number of elements in the
1157 * planes array for multi-plane buffers
1158 * @reserved2: drivers and applications must zero this field
1159 * @request_fd: fd of the request that this buffer should use
1160 * @reserved: for backwards compatibility with applications that do not know
1161 * about @request_fd
1162 *
1163 * Contains data exchanged by application and driver using one of the Streaming
1164 * I/O methods.
1165 */
1166struct v4l2_buffer {
1167 __u32 index;
1168 __u32 type;
1169 __u32 bytesused;
1170 __u32 flags;
1171 __u32 field;
1172#ifdef __KERNEL__
1173 struct __kernel_v4l2_timeval timestamp;
1174#else
1175 struct timeval timestamp;
1176#endif
1177 struct v4l2_timecode timecode;
1178 __u32 sequence;
1179
1180 /* memory location */
1181 __u32 memory;
1182 union {
1183 __u32 offset;
1184 unsigned long userptr;
1185 struct v4l2_plane *planes;
1186 __s32 fd;
1187 } m;
1188 __u32 length;
1189 __u32 reserved2;
1190 union {
1191 __s32 request_fd;
1192 __u32 reserved;
1193 };
1194};
1195
1196#ifndef __KERNEL__
1197/**
1198 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1199 * @tv: pointer to the timeval variable to be converted
1200 *
1201 * Returns the scalar nanosecond representation of the timeval
1202 * parameter.
1203 */
1204static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1205{
1206 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1207}
1208#endif
1209
1210/* Flags for 'flags' field */
1211/* Buffer is mapped (flag) */
1212#define V4L2_BUF_FLAG_MAPPED 0x00000001
1213/* Buffer is queued for processing */
1214#define V4L2_BUF_FLAG_QUEUED 0x00000002
1215/* Buffer is ready */
1216#define V4L2_BUF_FLAG_DONE 0x00000004
1217/* Image is a keyframe (I-frame) */
1218#define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1219/* Image is a P-frame */
1220#define V4L2_BUF_FLAG_PFRAME 0x00000010
1221/* Image is a B-frame */
1222#define V4L2_BUF_FLAG_BFRAME 0x00000020
1223/* Buffer is ready, but the data contained within is corrupted. */
1224#define V4L2_BUF_FLAG_ERROR 0x00000040
1225/* Buffer is added to an unqueued request */
1226#define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1227/* timecode field is valid */
1228#define V4L2_BUF_FLAG_TIMECODE 0x00000100
1229/* Don't return the capture buffer until OUTPUT timestamp changes */
1230#define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1231/* Buffer is prepared for queuing */
1232#define V4L2_BUF_FLAG_PREPARED 0x00000400
1233/* Cache handling flags */
1234#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1235#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1236/* Timestamp type */
1237#define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1238#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1239#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1240#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1241/* Timestamp sources. */
1242#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1243#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1244#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1245/* mem2mem encoder/decoder */
1246#define V4L2_BUF_FLAG_LAST 0x00100000
1247/* request_fd is valid */
1248#define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1249
1250/**
1251 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1252 *
1253 * @index: id number of the buffer
1254 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1255 * multiplanar buffers);
1256 * @plane: index of the plane to be exported, 0 for single plane queues
1257 * @flags: flags for newly created file, currently only O_CLOEXEC is
1258 * supported, refer to manual of open syscall for more details
1259 * @fd: file descriptor associated with DMABUF (set by driver)
1260 * @reserved: drivers and applications must zero this array
1261 *
1262 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1263 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1264 * (identical to the cookie used to mmap() the buffer to userspace). All
1265 * reserved fields must be set to zero. The field reserved0 is expected to
1266 * become a structure 'type' allowing an alternative layout of the structure
1267 * content. Therefore this field should not be used for any other extensions.
1268 */
1269struct v4l2_exportbuffer {
1270 __u32 type; /* enum v4l2_buf_type */
1271 __u32 index;
1272 __u32 plane;
1273 __u32 flags;
1274 __s32 fd;
1275 __u32 reserved[11];
1276};
1277
1278/*
1279 * O V E R L A Y P R E V I E W
1280 */
1281struct v4l2_framebuffer {
1282 __u32 capability;
1283 __u32 flags;
1284/* FIXME: in theory we should pass something like PCI device + memory
1285 * region + offset instead of some physical address */
1286 void *base;
1287 struct {
1288 __u32 width;
1289 __u32 height;
1290 __u32 pixelformat;
1291 __u32 field; /* enum v4l2_field */
1292 __u32 bytesperline; /* for padding, zero if unused */
1293 __u32 sizeimage;
1294 __u32 colorspace; /* enum v4l2_colorspace */
1295 __u32 priv; /* reserved field, set to 0 */
1296 } fmt;
1297};
1298/* Flags for the 'capability' field. Read only */
1299#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1300#define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1301#ifndef __KERNEL__
1302#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1303#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1304#endif
1305#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1306#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1307#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1308#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1309/* Flags for the 'flags' field. */
1310#define V4L2_FBUF_FLAG_PRIMARY 0x0001
1311#define V4L2_FBUF_FLAG_OVERLAY 0x0002
1312#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1313#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1314#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1315#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1316#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1317
1318struct v4l2_clip {
1319 struct v4l2_rect c;
1320 struct v4l2_clip __user *next;
1321};
1322
1323struct v4l2_window {
1324 struct v4l2_rect w;
1325 __u32 field; /* enum v4l2_field */
1326 __u32 chromakey;
1327 struct v4l2_clip *clips;
1328 __u32 clipcount;
1329 void __user *bitmap;
1330 __u8 global_alpha;
1331};
1332
1333/*
1334 * C A P T U R E P A R A M E T E R S
1335 */
1336struct v4l2_captureparm {
1337 __u32 capability; /* Supported modes */
1338 __u32 capturemode; /* Current mode */
1339 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1340 __u32 extendedmode; /* Driver-specific extensions */
1341 __u32 readbuffers; /* # of buffers for read */
1342 __u32 reserved[4];
1343};
1344
1345/* Flags for 'capability' and 'capturemode' fields */
1346#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1347#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1348
1349struct v4l2_outputparm {
1350 __u32 capability; /* Supported modes */
1351 __u32 outputmode; /* Current mode */
1352 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1353 __u32 extendedmode; /* Driver-specific extensions */
1354 __u32 writebuffers; /* # of buffers for write */
1355 __u32 reserved[4];
1356};
1357
1358/*
1359 * I N P U T I M A G E C R O P P I N G
1360 */
1361struct v4l2_cropcap {
1362 __u32 type; /* enum v4l2_buf_type */
1363 struct v4l2_rect bounds;
1364 struct v4l2_rect defrect;
1365 struct v4l2_fract pixelaspect;
1366};
1367
1368struct v4l2_crop {
1369 __u32 type; /* enum v4l2_buf_type */
1370 struct v4l2_rect c;
1371};
1372
1373/**
1374 * struct v4l2_selection - selection info
1375 * @type: buffer type (do not use *_MPLANE types)
1376 * @target: Selection target, used to choose one of possible rectangles;
1377 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1378 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1379 * @r: coordinates of selection window
1380 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1381 *
1382 * Hardware may use multiple helper windows to process a video stream.
1383 * The structure is used to exchange this selection areas between
1384 * an application and a driver.
1385 */
1386struct v4l2_selection {
1387 __u32 type;
1388 __u32 target;
1389 __u32 flags;
1390 struct v4l2_rect r;
1391 __u32 reserved[9];
1392};
1393
1394
1395/*
1396 * A N A L O G V I D E O S T A N D A R D
1397 */
1398
1399typedef __u64 v4l2_std_id;
1400
1401/*
1402 * Attention: Keep the V4L2_STD_* bit definitions in sync with
1403 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1404 */
1405/* one bit for each */
1406#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1407#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1408#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1409#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1410#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1411#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1412#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1413#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1414
1415#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1416#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1417#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1418#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1419
1420#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1421#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1422#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1423#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1424
1425#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1426#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1427#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1428#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1429#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1430#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1431#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1432#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1433
1434/* ATSC/HDTV */
1435#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1436#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1437
1438/* FIXME:
1439 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1440 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1441 this value to 32 bits.
1442 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1443 it should work fine. However, if needed to add more than two standards,
1444 v4l2-common.c should be fixed.
1445 */
1446
1447/*
1448 * Some macros to merge video standards in order to make live easier for the
1449 * drivers and V4L2 applications
1450 */
1451
1452/*
1453 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1454 * Missing here.
1455 */
1456#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1457 V4L2_STD_NTSC_M_JP |\
1458 V4L2_STD_NTSC_M_KR)
1459/* Secam macros */
1460#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1461 V4L2_STD_SECAM_K |\
1462 V4L2_STD_SECAM_K1)
1463/* All Secam Standards */
1464#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1465 V4L2_STD_SECAM_G |\
1466 V4L2_STD_SECAM_H |\
1467 V4L2_STD_SECAM_DK |\
1468 V4L2_STD_SECAM_L |\
1469 V4L2_STD_SECAM_LC)
1470/* PAL macros */
1471#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1472 V4L2_STD_PAL_B1 |\
1473 V4L2_STD_PAL_G)
1474#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1475 V4L2_STD_PAL_D1 |\
1476 V4L2_STD_PAL_K)
1477/*
1478 * "Common" PAL - This macro is there to be compatible with the old
1479 * V4L1 concept of "PAL": /BGDKHI.
1480 * Several PAL standards are missing here: /M, /N and /Nc
1481 */
1482#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1483 V4L2_STD_PAL_DK |\
1484 V4L2_STD_PAL_H |\
1485 V4L2_STD_PAL_I)
1486/* Chroma "agnostic" standards */
1487#define V4L2_STD_B (V4L2_STD_PAL_B |\
1488 V4L2_STD_PAL_B1 |\
1489 V4L2_STD_SECAM_B)
1490#define V4L2_STD_G (V4L2_STD_PAL_G |\
1491 V4L2_STD_SECAM_G)
1492#define V4L2_STD_H (V4L2_STD_PAL_H |\
1493 V4L2_STD_SECAM_H)
1494#define V4L2_STD_L (V4L2_STD_SECAM_L |\
1495 V4L2_STD_SECAM_LC)
1496#define V4L2_STD_GH (V4L2_STD_G |\
1497 V4L2_STD_H)
1498#define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1499 V4L2_STD_SECAM_DK)
1500#define V4L2_STD_BG (V4L2_STD_B |\
1501 V4L2_STD_G)
1502#define V4L2_STD_MN (V4L2_STD_PAL_M |\
1503 V4L2_STD_PAL_N |\
1504 V4L2_STD_PAL_Nc |\
1505 V4L2_STD_NTSC)
1506
1507/* Standards where MTS/BTSC stereo could be found */
1508#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1509 V4L2_STD_PAL_M |\
1510 V4L2_STD_PAL_N |\
1511 V4L2_STD_PAL_Nc)
1512
1513/* Standards for Countries with 60Hz Line frequency */
1514#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1515 V4L2_STD_PAL_60 |\
1516 V4L2_STD_NTSC |\
1517 V4L2_STD_NTSC_443)
1518/* Standards for Countries with 50Hz Line frequency */
1519#define V4L2_STD_625_50 (V4L2_STD_PAL |\
1520 V4L2_STD_PAL_N |\
1521 V4L2_STD_PAL_Nc |\
1522 V4L2_STD_SECAM)
1523
1524#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1525 V4L2_STD_ATSC_16_VSB)
1526/* Macros with none and all analog standards */
1527#define V4L2_STD_UNKNOWN 0
1528#define V4L2_STD_ALL (V4L2_STD_525_60 |\
1529 V4L2_STD_625_50)
1530
1531struct v4l2_standard {
1532 __u32 index;
1533 v4l2_std_id id;
1534 __u8 name[24];
1535 struct v4l2_fract frameperiod; /* Frames, not fields */
1536 __u32 framelines;
1537 __u32 reserved[4];
1538};
1539
1540/*
1541 * D V B T T I M I N G S
1542 */
1543
1544/** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1545 * @width: total width of the active video in pixels
1546 * @height: total height of the active video in lines
1547 * @interlaced: Interlaced or progressive
1548 * @polarities: Positive or negative polarities
1549 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1550 * @hfrontporch:Horizontal front porch in pixels
1551 * @hsync: Horizontal Sync length in pixels
1552 * @hbackporch: Horizontal back porch in pixels
1553 * @vfrontporch:Vertical front porch in lines
1554 * @vsync: Vertical Sync length in lines
1555 * @vbackporch: Vertical back porch in lines
1556 * @il_vfrontporch:Vertical front porch for the even field
1557 * (aka field 2) of interlaced field formats
1558 * @il_vsync: Vertical Sync length for the even field
1559 * (aka field 2) of interlaced field formats
1560 * @il_vbackporch:Vertical back porch for the even field
1561 * (aka field 2) of interlaced field formats
1562 * @standards: Standards the timing belongs to
1563 * @flags: Flags
1564 * @picture_aspect: The picture aspect ratio (hor/vert).
1565 * @cea861_vic: VIC code as per the CEA-861 standard.
1566 * @hdmi_vic: VIC code as per the HDMI standard.
1567 * @reserved: Reserved fields, must be zeroed.
1568 *
1569 * A note regarding vertical interlaced timings: height refers to the total
1570 * height of the active video frame (= two fields). The blanking timings refer
1571 * to the blanking of each field. So the height of the total frame is
1572 * calculated as follows:
1573 *
1574 * tot_height = height + vfrontporch + vsync + vbackporch +
1575 * il_vfrontporch + il_vsync + il_vbackporch
1576 *
1577 * The active height of each field is height / 2.
1578 */
1579struct v4l2_bt_timings {
1580 __u32 width;
1581 __u32 height;
1582 __u32 interlaced;
1583 __u32 polarities;
1584 __u64 pixelclock;
1585 __u32 hfrontporch;
1586 __u32 hsync;
1587 __u32 hbackporch;
1588 __u32 vfrontporch;
1589 __u32 vsync;
1590 __u32 vbackporch;
1591 __u32 il_vfrontporch;
1592 __u32 il_vsync;
1593 __u32 il_vbackporch;
1594 __u32 standards;
1595 __u32 flags;
1596 struct v4l2_fract picture_aspect;
1597 __u8 cea861_vic;
1598 __u8 hdmi_vic;
1599 __u8 reserved[46];
1600} __attribute__ ((packed));
1601
1602/* Interlaced or progressive format */
1603#define V4L2_DV_PROGRESSIVE 0
1604#define V4L2_DV_INTERLACED 1
1605
1606/* Polarities. If bit is not set, it is assumed to be negative polarity */
1607#define V4L2_DV_VSYNC_POS_POL 0x00000001
1608#define V4L2_DV_HSYNC_POS_POL 0x00000002
1609
1610/* Timings standards */
1611#define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1612#define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1613#define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1614#define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1615#define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1616
1617/* Flags */
1618
1619/*
1620 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1621 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1622 * intervals are reduced, allowing a higher resolution over the same
1623 * bandwidth. This is a read-only flag.
1624 */
1625#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1626/*
1627 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1628 * of six. These formats can be optionally played at 1 / 1.001 speed.
1629 * This is a read-only flag.
1630 */
1631#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1632/*
1633 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1634 * by receivers.
1635 * If the framerate of the format is a multiple of six, then the pixelclock
1636 * used to set up the transmitter is divided by 1.001 to make it compatible
1637 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1638 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1639 * such frequencies, then the flag will also be cleared.
1640 */
1641#define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1642/*
1643 * Specific to interlaced formats: if set, then field 1 is really one half-line
1644 * longer and field 2 is really one half-line shorter, so each field has
1645 * exactly the same number of half-lines. Whether half-lines can be detected
1646 * or used depends on the hardware.
1647 */
1648#define V4L2_DV_FL_HALF_LINE (1 << 3)
1649/*
1650 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1651 * differ from other formats (commonly called IT formats) in that if RGB
1652 * encoding is used then by default the RGB values use limited range (i.e.
1653 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1654 * except for the 640x480 format are CE formats.
1655 */
1656#define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1657/* Some formats like SMPTE-125M have an interlaced signal with a odd
1658 * total height. For these formats, if this flag is set, the first
1659 * field has the extra line. If not, it is the second field.
1660 */
1661#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1662/*
1663 * If set, then the picture_aspect field is valid. Otherwise assume that the
1664 * pixels are square, so the picture aspect ratio is the same as the width to
1665 * height ratio.
1666 */
1667#define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1668/*
1669 * If set, then the cea861_vic field is valid and contains the Video
1670 * Identification Code as per the CEA-861 standard.
1671 */
1672#define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1673/*
1674 * If set, then the hdmi_vic field is valid and contains the Video
1675 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1676 * InfoFrame).
1677 */
1678#define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1679/*
1680 * CEA-861 specific: only valid for video receivers.
1681 * If set, then HW can detect the difference between regular FPS and
1682 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1683 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1684 */
1685#define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1686
1687/* A few useful defines to calculate the total blanking and frame sizes */
1688#define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1689 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1690#define V4L2_DV_BT_FRAME_WIDTH(bt) \
1691 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1692#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1693 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1694 ((bt)->interlaced ? \
1695 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1696#define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1697 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1698
1699/** struct v4l2_dv_timings - DV timings
1700 * @type: the type of the timings
1701 * @bt: BT656/1120 timings
1702 */
1703struct v4l2_dv_timings {
1704 __u32 type;
1705 union {
1706 struct v4l2_bt_timings bt;
1707 __u32 reserved[32];
1708 };
1709} __attribute__ ((packed));
1710
1711/* Values for the type field */
1712#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1713
1714
1715/** struct v4l2_enum_dv_timings - DV timings enumeration
1716 * @index: enumeration index
1717 * @pad: the pad number for which to enumerate timings (used with
1718 * v4l-subdev nodes only)
1719 * @reserved: must be zeroed
1720 * @timings: the timings for the given index
1721 */
1722struct v4l2_enum_dv_timings {
1723 __u32 index;
1724 __u32 pad;
1725 __u32 reserved[2];
1726 struct v4l2_dv_timings timings;
1727};
1728
1729/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1730 * @min_width: width in pixels
1731 * @max_width: width in pixels
1732 * @min_height: height in lines
1733 * @max_height: height in lines
1734 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1735 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1736 * @standards: Supported standards
1737 * @capabilities: Supported capabilities
1738 * @reserved: Must be zeroed
1739 */
1740struct v4l2_bt_timings_cap {
1741 __u32 min_width;
1742 __u32 max_width;
1743 __u32 min_height;
1744 __u32 max_height;
1745 __u64 min_pixelclock;
1746 __u64 max_pixelclock;
1747 __u32 standards;
1748 __u32 capabilities;
1749 __u32 reserved[16];
1750} __attribute__ ((packed));
1751
1752/* Supports interlaced formats */
1753#define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1754/* Supports progressive formats */
1755#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1756/* Supports CVT/GTF reduced blanking */
1757#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1758/* Supports custom formats */
1759#define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1760
1761/** struct v4l2_dv_timings_cap - DV timings capabilities
1762 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1763 * @pad: the pad number for which to query capabilities (used with
1764 * v4l-subdev nodes only)
1765 * @bt: the BT656/1120 timings capabilities
1766 */
1767struct v4l2_dv_timings_cap {
1768 __u32 type;
1769 __u32 pad;
1770 __u32 reserved[2];
1771 union {
1772 struct v4l2_bt_timings_cap bt;
1773 __u32 raw_data[32];
1774 };
1775};
1776
1777
1778/*
1779 * V I D E O I N P U T S
1780 */
1781struct v4l2_input {
1782 __u32 index; /* Which input */
1783 __u8 name[32]; /* Label */
1784 __u32 type; /* Type of input */
1785 __u32 audioset; /* Associated audios (bitfield) */
1786 __u32 tuner; /* Tuner index */
1787 v4l2_std_id std;
1788 __u32 status;
1789 __u32 capabilities;
1790 __u32 reserved[3];
1791};
1792
1793/* Values for the 'type' field */
1794#define V4L2_INPUT_TYPE_TUNER 1
1795#define V4L2_INPUT_TYPE_CAMERA 2
1796#define V4L2_INPUT_TYPE_TOUCH 3
1797
1798/* field 'status' - general */
1799#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1800#define V4L2_IN_ST_NO_SIGNAL 0x00000002
1801#define V4L2_IN_ST_NO_COLOR 0x00000004
1802
1803/* field 'status' - sensor orientation */
1804/* If sensor is mounted upside down set both bits */
1805#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1806#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1807
1808/* field 'status' - analog */
1809#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1810#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1811#define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1812#define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1813
1814/* field 'status' - digital */
1815#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1816#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1817#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1818
1819/* field 'status' - VCR and set-top box */
1820#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1821#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1822#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1823
1824/* capabilities flags */
1825#define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1826#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1827#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1828#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1829
1830/*
1831 * V I D E O O U T P U T S
1832 */
1833struct v4l2_output {
1834 __u32 index; /* Which output */
1835 __u8 name[32]; /* Label */
1836 __u32 type; /* Type of output */
1837 __u32 audioset; /* Associated audios (bitfield) */
1838 __u32 modulator; /* Associated modulator */
1839 v4l2_std_id std;
1840 __u32 capabilities;
1841 __u32 reserved[3];
1842};
1843/* Values for the 'type' field */
1844#define V4L2_OUTPUT_TYPE_MODULATOR 1
1845#define V4L2_OUTPUT_TYPE_ANALOG 2
1846#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1847
1848/* capabilities flags */
1849#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1850#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1851#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1852#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1853
1854/*
1855 * C O N T R O L S
1856 */
1857struct v4l2_control {
1858 __u32 id;
1859 __s32 value;
1860};
1861
1862struct v4l2_ext_control {
1863 __u32 id;
1864 __u32 size;
1865 __u32 reserved2[1];
1866 union {
1867 __s32 value;
1868 __s64 value64;
1869 char __user *string;
1870 __u8 __user *p_u8;
1871 __u16 __user *p_u16;
1872 __u32 __user *p_u32;
1873 __s32 __user *p_s32;
1874 __s64 __user *p_s64;
1875 struct v4l2_area __user *p_area;
1876 struct v4l2_rect __user *p_rect;
1877 struct v4l2_ctrl_h264_sps __user *p_h264_sps;
1878 struct v4l2_ctrl_h264_pps __user *p_h264_pps;
1879 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
1880 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights;
1881 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params;
1882 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params;
1883 struct v4l2_ctrl_fwht_params __user *p_fwht_params;
1884 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame;
1885 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence;
1886 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture;
1887 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation;
1888 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs;
1889 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame;
1890 struct v4l2_ctrl_hevc_sps __user *p_hevc_sps;
1891 struct v4l2_ctrl_hevc_pps __user *p_hevc_pps;
1892 struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params;
1893 struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix;
1894 struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params;
1895 struct v4l2_ctrl_av1_sequence __user *p_av1_sequence;
1896 struct v4l2_ctrl_av1_tile_group_entry __user *p_av1_tile_group_entry;
1897 struct v4l2_ctrl_av1_frame __user *p_av1_frame;
1898 struct v4l2_ctrl_av1_film_grain __user *p_av1_film_grain;
1899 struct v4l2_ctrl_hdr10_cll_info __user *p_hdr10_cll_info;
1900 struct v4l2_ctrl_hdr10_mastering_display __user *p_hdr10_mastering_display;
1901 void __user *ptr;
1902 } __attribute__ ((packed));
1903} __attribute__ ((packed));
1904
1905struct v4l2_ext_controls {
1906 union {
1907#ifndef __KERNEL__
1908 __u32 ctrl_class;
1909#endif
1910 __u32 which;
1911 };
1912 __u32 count;
1913 __u32 error_idx;
1914 __s32 request_fd;
1915 __u32 reserved[1];
1916 struct v4l2_ext_control *controls;
1917};
1918
1919#define V4L2_CTRL_ID_MASK (0x0fffffff)
1920#ifndef __KERNEL__
1921#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1922#endif
1923#define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1924#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1925#define V4L2_CTRL_MAX_DIMS (4)
1926#define V4L2_CTRL_WHICH_CUR_VAL 0
1927#define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1928#define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1929#define V4L2_CTRL_WHICH_MIN_VAL 0x0f020000
1930#define V4L2_CTRL_WHICH_MAX_VAL 0x0f030000
1931
1932enum v4l2_ctrl_type {
1933 V4L2_CTRL_TYPE_INTEGER = 1,
1934 V4L2_CTRL_TYPE_BOOLEAN = 2,
1935 V4L2_CTRL_TYPE_MENU = 3,
1936 V4L2_CTRL_TYPE_BUTTON = 4,
1937 V4L2_CTRL_TYPE_INTEGER64 = 5,
1938 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1939 V4L2_CTRL_TYPE_STRING = 7,
1940 V4L2_CTRL_TYPE_BITMASK = 8,
1941 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1942
1943 /* Compound types are >= 0x0100 */
1944 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1945 V4L2_CTRL_TYPE_U8 = 0x0100,
1946 V4L2_CTRL_TYPE_U16 = 0x0101,
1947 V4L2_CTRL_TYPE_U32 = 0x0102,
1948 V4L2_CTRL_TYPE_AREA = 0x0106,
1949 V4L2_CTRL_TYPE_RECT = 0x0107,
1950
1951 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
1952 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
1953
1954 V4L2_CTRL_TYPE_H264_SPS = 0x0200,
1955 V4L2_CTRL_TYPE_H264_PPS = 0x0201,
1956 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
1957 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
1958 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
1959 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
1960
1961 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
1962
1963 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
1964
1965 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
1966 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
1967 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
1968
1969 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260,
1970 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261,
1971
1972 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270,
1973 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271,
1974 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272,
1975 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273,
1976 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274,
1977
1978 V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280,
1979 V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281,
1980 V4L2_CTRL_TYPE_AV1_FRAME = 0x282,
1981 V4L2_CTRL_TYPE_AV1_FILM_GRAIN = 0x283,
1982};
1983
1984/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1985struct v4l2_queryctrl {
1986 __u32 id;
1987 __u32 type; /* enum v4l2_ctrl_type */
1988 __u8 name[32]; /* Whatever */
1989 __s32 minimum; /* Note signedness */
1990 __s32 maximum;
1991 __s32 step;
1992 __s32 default_value;
1993 __u32 flags;
1994 __u32 reserved[2];
1995};
1996
1997/* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1998struct v4l2_query_ext_ctrl {
1999 __u32 id;
2000 __u32 type;
2001 char name[32];
2002 __s64 minimum;
2003 __s64 maximum;
2004 __u64 step;
2005 __s64 default_value;
2006 __u32 flags;
2007 __u32 elem_size;
2008 __u32 elems;
2009 __u32 nr_of_dims;
2010 __u32 dims[V4L2_CTRL_MAX_DIMS];
2011 __u32 reserved[32];
2012};
2013
2014/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
2015struct v4l2_querymenu {
2016 __u32 id;
2017 __u32 index;
2018 union {
2019 __u8 name[32]; /* Whatever */
2020 __s64 value;
2021 };
2022 __u32 reserved;
2023} __attribute__ ((packed));
2024
2025/* Control flags */
2026#define V4L2_CTRL_FLAG_DISABLED 0x0001
2027#define V4L2_CTRL_FLAG_GRABBED 0x0002
2028#define V4L2_CTRL_FLAG_READ_ONLY 0x0004
2029#define V4L2_CTRL_FLAG_UPDATE 0x0008
2030#define V4L2_CTRL_FLAG_INACTIVE 0x0010
2031#define V4L2_CTRL_FLAG_SLIDER 0x0020
2032#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
2033#define V4L2_CTRL_FLAG_VOLATILE 0x0080
2034#define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
2035#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
2036#define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
2037#define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800
2038#define V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX 0x1000
2039
2040/* Query flags, to be ORed with the control ID */
2041#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
2042#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
2043
2044/* User-class control IDs defined by V4L2 */
2045#define V4L2_CID_MAX_CTRLS 1024
2046/* IDs reserved for driver specific controls */
2047#define V4L2_CID_PRIVATE_BASE 0x08000000
2048
2049
2050/*
2051 * T U N I N G
2052 */
2053struct v4l2_tuner {
2054 __u32 index;
2055 __u8 name[32];
2056 __u32 type; /* enum v4l2_tuner_type */
2057 __u32 capability;
2058 __u32 rangelow;
2059 __u32 rangehigh;
2060 __u32 rxsubchans;
2061 __u32 audmode;
2062 __s32 signal;
2063 __s32 afc;
2064 __u32 reserved[4];
2065};
2066
2067struct v4l2_modulator {
2068 __u32 index;
2069 __u8 name[32];
2070 __u32 capability;
2071 __u32 rangelow;
2072 __u32 rangehigh;
2073 __u32 txsubchans;
2074 __u32 type; /* enum v4l2_tuner_type */
2075 __u32 reserved[3];
2076};
2077
2078/* Flags for the 'capability' field */
2079#define V4L2_TUNER_CAP_LOW 0x0001
2080#define V4L2_TUNER_CAP_NORM 0x0002
2081#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
2082#define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
2083#define V4L2_TUNER_CAP_STEREO 0x0010
2084#define V4L2_TUNER_CAP_LANG2 0x0020
2085#define V4L2_TUNER_CAP_SAP 0x0020
2086#define V4L2_TUNER_CAP_LANG1 0x0040
2087#define V4L2_TUNER_CAP_RDS 0x0080
2088#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
2089#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
2090#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
2091#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
2092#define V4L2_TUNER_CAP_1HZ 0x1000
2093
2094/* Flags for the 'rxsubchans' field */
2095#define V4L2_TUNER_SUB_MONO 0x0001
2096#define V4L2_TUNER_SUB_STEREO 0x0002
2097#define V4L2_TUNER_SUB_LANG2 0x0004
2098#define V4L2_TUNER_SUB_SAP 0x0004
2099#define V4L2_TUNER_SUB_LANG1 0x0008
2100#define V4L2_TUNER_SUB_RDS 0x0010
2101
2102/* Values for the 'audmode' field */
2103#define V4L2_TUNER_MODE_MONO 0x0000
2104#define V4L2_TUNER_MODE_STEREO 0x0001
2105#define V4L2_TUNER_MODE_LANG2 0x0002
2106#define V4L2_TUNER_MODE_SAP 0x0002
2107#define V4L2_TUNER_MODE_LANG1 0x0003
2108#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
2109
2110struct v4l2_frequency {
2111 __u32 tuner;
2112 __u32 type; /* enum v4l2_tuner_type */
2113 __u32 frequency;
2114 __u32 reserved[8];
2115};
2116
2117#define V4L2_BAND_MODULATION_VSB (1 << 1)
2118#define V4L2_BAND_MODULATION_FM (1 << 2)
2119#define V4L2_BAND_MODULATION_AM (1 << 3)
2120
2121struct v4l2_frequency_band {
2122 __u32 tuner;
2123 __u32 type; /* enum v4l2_tuner_type */
2124 __u32 index;
2125 __u32 capability;
2126 __u32 rangelow;
2127 __u32 rangehigh;
2128 __u32 modulation;
2129 __u32 reserved[9];
2130};
2131
2132struct v4l2_hw_freq_seek {
2133 __u32 tuner;
2134 __u32 type; /* enum v4l2_tuner_type */
2135 __u32 seek_upward;
2136 __u32 wrap_around;
2137 __u32 spacing;
2138 __u32 rangelow;
2139 __u32 rangehigh;
2140 __u32 reserved[5];
2141};
2142
2143/*
2144 * R D S
2145 */
2146
2147struct v4l2_rds_data {
2148 __u8 lsb;
2149 __u8 msb;
2150 __u8 block;
2151} __attribute__ ((packed));
2152
2153#define V4L2_RDS_BLOCK_MSK 0x7
2154#define V4L2_RDS_BLOCK_A 0
2155#define V4L2_RDS_BLOCK_B 1
2156#define V4L2_RDS_BLOCK_C 2
2157#define V4L2_RDS_BLOCK_D 3
2158#define V4L2_RDS_BLOCK_C_ALT 4
2159#define V4L2_RDS_BLOCK_INVALID 7
2160
2161#define V4L2_RDS_BLOCK_CORRECTED 0x40
2162#define V4L2_RDS_BLOCK_ERROR 0x80
2163
2164/*
2165 * A U D I O
2166 */
2167struct v4l2_audio {
2168 __u32 index;
2169 __u8 name[32];
2170 __u32 capability;
2171 __u32 mode;
2172 __u32 reserved[2];
2173};
2174
2175/* Flags for the 'capability' field */
2176#define V4L2_AUDCAP_STEREO 0x00001
2177#define V4L2_AUDCAP_AVL 0x00002
2178
2179/* Flags for the 'mode' field */
2180#define V4L2_AUDMODE_AVL 0x00001
2181
2182struct v4l2_audioout {
2183 __u32 index;
2184 __u8 name[32];
2185 __u32 capability;
2186 __u32 mode;
2187 __u32 reserved[2];
2188};
2189
2190/*
2191 * M P E G S E R V I C E S
2192 */
2193#if 1
2194#define V4L2_ENC_IDX_FRAME_I (0)
2195#define V4L2_ENC_IDX_FRAME_P (1)
2196#define V4L2_ENC_IDX_FRAME_B (2)
2197#define V4L2_ENC_IDX_FRAME_MASK (0xf)
2198
2199struct v4l2_enc_idx_entry {
2200 __u64 offset;
2201 __u64 pts;
2202 __u32 length;
2203 __u32 flags;
2204 __u32 reserved[2];
2205};
2206
2207#define V4L2_ENC_IDX_ENTRIES (64)
2208struct v4l2_enc_idx {
2209 __u32 entries;
2210 __u32 entries_cap;
2211 __u32 reserved[4];
2212 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2213};
2214
2215
2216#define V4L2_ENC_CMD_START (0)
2217#define V4L2_ENC_CMD_STOP (1)
2218#define V4L2_ENC_CMD_PAUSE (2)
2219#define V4L2_ENC_CMD_RESUME (3)
2220
2221/* Flags for V4L2_ENC_CMD_STOP */
2222#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
2223
2224struct v4l2_encoder_cmd {
2225 __u32 cmd;
2226 __u32 flags;
2227 union {
2228 struct {
2229 __u32 data[8];
2230 } raw;
2231 };
2232};
2233
2234/* Decoder commands */
2235#define V4L2_DEC_CMD_START (0)
2236#define V4L2_DEC_CMD_STOP (1)
2237#define V4L2_DEC_CMD_PAUSE (2)
2238#define V4L2_DEC_CMD_RESUME (3)
2239#define V4L2_DEC_CMD_FLUSH (4)
2240
2241/* Flags for V4L2_DEC_CMD_START */
2242#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
2243
2244/* Flags for V4L2_DEC_CMD_PAUSE */
2245#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
2246
2247/* Flags for V4L2_DEC_CMD_STOP */
2248#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2249#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2250
2251/* Play format requirements (returned by the driver): */
2252
2253/* The decoder has no special format requirements */
2254#define V4L2_DEC_START_FMT_NONE (0)
2255/* The decoder requires full GOPs */
2256#define V4L2_DEC_START_FMT_GOP (1)
2257
2258/* The structure must be zeroed before use by the application
2259 This ensures it can be extended safely in the future. */
2260struct v4l2_decoder_cmd {
2261 __u32 cmd;
2262 __u32 flags;
2263 union {
2264 struct {
2265 __u64 pts;
2266 } stop;
2267
2268 struct {
2269 /* 0 or 1000 specifies normal speed,
2270 1 specifies forward single stepping,
2271 -1 specifies backward single stepping,
2272 >1: playback at speed/1000 of the normal speed,
2273 <-1: reverse playback at (-speed/1000) of the normal speed. */
2274 __s32 speed;
2275 __u32 format;
2276 } start;
2277
2278 struct {
2279 __u32 data[16];
2280 } raw;
2281 };
2282};
2283#endif
2284
2285
2286/*
2287 * D A T A S E R V I C E S ( V B I )
2288 *
2289 * Data services API by Michael Schimek
2290 */
2291
2292/* Raw VBI */
2293struct v4l2_vbi_format {
2294 __u32 sampling_rate; /* in 1 Hz */
2295 __u32 offset;
2296 __u32 samples_per_line;
2297 __u32 sample_format; /* V4L2_PIX_FMT_* */
2298 __s32 start[2];
2299 __u32 count[2];
2300 __u32 flags; /* V4L2_VBI_* */
2301 __u32 reserved[2]; /* must be zero */
2302};
2303
2304/* VBI flags */
2305#define V4L2_VBI_UNSYNC (1 << 0)
2306#define V4L2_VBI_INTERLACED (1 << 1)
2307
2308/* ITU-R start lines for each field */
2309#define V4L2_VBI_ITU_525_F1_START (1)
2310#define V4L2_VBI_ITU_525_F2_START (264)
2311#define V4L2_VBI_ITU_625_F1_START (1)
2312#define V4L2_VBI_ITU_625_F2_START (314)
2313
2314/* Sliced VBI
2315 *
2316 * This implements is a proposal V4L2 API to allow SLICED VBI
2317 * required for some hardware encoders. It should change without
2318 * notice in the definitive implementation.
2319 */
2320
2321struct v4l2_sliced_vbi_format {
2322 __u16 service_set;
2323 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2324 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2325 (equals frame lines 313-336 for 625 line video
2326 standards, 263-286 for 525 line standards) */
2327 __u16 service_lines[2][24];
2328 __u32 io_size;
2329 __u32 reserved[2]; /* must be zero */
2330};
2331
2332/* Teletext World System Teletext
2333 (WST), defined on ITU-R BT.653-2 */
2334#define V4L2_SLICED_TELETEXT_B (0x0001)
2335/* Video Program System, defined on ETS 300 231*/
2336#define V4L2_SLICED_VPS (0x0400)
2337/* Closed Caption, defined on EIA-608 */
2338#define V4L2_SLICED_CAPTION_525 (0x1000)
2339/* Wide Screen System, defined on ITU-R BT1119.1 */
2340#define V4L2_SLICED_WSS_625 (0x4000)
2341
2342#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2343#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2344
2345struct v4l2_sliced_vbi_cap {
2346 __u16 service_set;
2347 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2348 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2349 (equals frame lines 313-336 for 625 line video
2350 standards, 263-286 for 525 line standards) */
2351 __u16 service_lines[2][24];
2352 __u32 type; /* enum v4l2_buf_type */
2353 __u32 reserved[3]; /* must be 0 */
2354};
2355
2356struct v4l2_sliced_vbi_data {
2357 __u32 id;
2358 __u32 field; /* 0: first field, 1: second field */
2359 __u32 line; /* 1-23 */
2360 __u32 reserved; /* must be 0 */
2361 __u8 data[48];
2362};
2363
2364/*
2365 * Sliced VBI data inserted into MPEG Streams
2366 */
2367
2368/*
2369 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2370 *
2371 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2372 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2373 * data
2374 *
2375 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2376 * definitions are not included here. See the MPEG-2 specifications for details
2377 * on these headers.
2378 */
2379
2380/* Line type IDs */
2381#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2382#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2383#define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2384#define V4L2_MPEG_VBI_IVTV_VPS (7)
2385
2386struct v4l2_mpeg_vbi_itv0_line {
2387 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2388 __u8 data[42]; /* Sliced VBI data for the line */
2389} __attribute__ ((packed));
2390
2391struct v4l2_mpeg_vbi_itv0 {
2392 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2393 struct v4l2_mpeg_vbi_itv0_line line[35];
2394} __attribute__ ((packed));
2395
2396struct v4l2_mpeg_vbi_ITV0 {
2397 struct v4l2_mpeg_vbi_itv0_line line[36];
2398} __attribute__ ((packed));
2399
2400#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2401#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2402
2403struct v4l2_mpeg_vbi_fmt_ivtv {
2404 __u8 magic[4];
2405 union {
2406 struct v4l2_mpeg_vbi_itv0 itv0;
2407 struct v4l2_mpeg_vbi_ITV0 ITV0;
2408 };
2409} __attribute__ ((packed));
2410
2411/*
2412 * A G G R E G A T E S T R U C T U R E S
2413 */
2414
2415/**
2416 * struct v4l2_plane_pix_format - additional, per-plane format definition
2417 * @sizeimage: maximum size in bytes required for data, for which
2418 * this plane will be used
2419 * @bytesperline: distance in bytes between the leftmost pixels in two
2420 * adjacent lines
2421 * @reserved: drivers and applications must zero this array
2422 */
2423struct v4l2_plane_pix_format {
2424 __u32 sizeimage;
2425 __u32 bytesperline;
2426 __u16 reserved[6];
2427} __attribute__ ((packed));
2428
2429/**
2430 * struct v4l2_pix_format_mplane - multiplanar format definition
2431 * @width: image width in pixels
2432 * @height: image height in pixels
2433 * @pixelformat: little endian four character code (fourcc)
2434 * @field: enum v4l2_field; field order (for interlaced video)
2435 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2436 * @plane_fmt: per-plane information
2437 * @num_planes: number of planes for this format
2438 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2439 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2440 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding
2441 * @quantization: enum v4l2_quantization, colorspace quantization
2442 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2443 * @reserved: drivers and applications must zero this array
2444 */
2445struct v4l2_pix_format_mplane {
2446 __u32 width;
2447 __u32 height;
2448 __u32 pixelformat;
2449 __u32 field;
2450 __u32 colorspace;
2451
2452 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2453 __u8 num_planes;
2454 __u8 flags;
2455 union {
2456 __u8 ycbcr_enc;
2457 __u8 hsv_enc;
2458 };
2459 __u8 quantization;
2460 __u8 xfer_func;
2461 __u8 reserved[7];
2462} __attribute__ ((packed));
2463
2464/**
2465 * struct v4l2_sdr_format - SDR format definition
2466 * @pixelformat: little endian four character code (fourcc)
2467 * @buffersize: maximum size in bytes required for data
2468 * @reserved: drivers and applications must zero this array
2469 */
2470struct v4l2_sdr_format {
2471 __u32 pixelformat;
2472 __u32 buffersize;
2473 __u8 reserved[24];
2474} __attribute__ ((packed));
2475
2476/**
2477 * struct v4l2_meta_format - metadata format definition
2478 * @dataformat: little endian four character code (fourcc)
2479 * @buffersize: maximum size in bytes required for data
2480 * @width: number of data units of data per line (valid for line
2481 * based formats only, see format documentation)
2482 * @height: number of lines of data per buffer (valid for line based
2483 * formats only)
2484 * @bytesperline: offset between the beginnings of two adjacent lines in
2485 * bytes (valid for line based formats only)
2486 */
2487struct v4l2_meta_format {
2488 __u32 dataformat;
2489 __u32 buffersize;
2490 __u32 width;
2491 __u32 height;
2492 __u32 bytesperline;
2493} __attribute__ ((packed));
2494
2495/**
2496 * struct v4l2_format - stream data format
2497 * @type: enum v4l2_buf_type; type of the data stream
2498 * @fmt.pix: definition of an image format
2499 * @fmt.pix_mp: definition of a multiplanar image format
2500 * @fmt.win: definition of an overlaid image
2501 * @fmt.vbi: raw VBI capture or output parameters
2502 * @fmt.sliced: sliced VBI capture or output parameters
2503 * @fmt.raw_data: placeholder for future extensions and custom formats
2504 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr,
2505 * @meta and @raw_data
2506 */
2507struct v4l2_format {
2508 __u32 type;
2509 union {
2510 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2511 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2512 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2513 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2514 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2515 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2516 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2517 __u8 raw_data[200]; /* user-defined */
2518 } fmt;
2519};
2520
2521/* Stream type-dependent parameters
2522 */
2523struct v4l2_streamparm {
2524 __u32 type; /* enum v4l2_buf_type */
2525 union {
2526 struct v4l2_captureparm capture;
2527 struct v4l2_outputparm output;
2528 __u8 raw_data[200]; /* user-defined */
2529 } parm;
2530};
2531
2532/*
2533 * E V E N T S
2534 */
2535
2536#define V4L2_EVENT_ALL 0
2537#define V4L2_EVENT_VSYNC 1
2538#define V4L2_EVENT_EOS 2
2539#define V4L2_EVENT_CTRL 3
2540#define V4L2_EVENT_FRAME_SYNC 4
2541#define V4L2_EVENT_SOURCE_CHANGE 5
2542#define V4L2_EVENT_MOTION_DET 6
2543#define V4L2_EVENT_PRIVATE_START 0x08000000
2544
2545/* Payload for V4L2_EVENT_VSYNC */
2546struct v4l2_event_vsync {
2547 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2548 __u8 field;
2549} __attribute__ ((packed));
2550
2551/* Payload for V4L2_EVENT_CTRL */
2552#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2553#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2554#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2555#define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3)
2556
2557struct v4l2_event_ctrl {
2558 __u32 changes;
2559 __u32 type;
2560 union {
2561 __s32 value;
2562 __s64 value64;
2563 };
2564 __u32 flags;
2565 __s32 minimum;
2566 __s32 maximum;
2567 __s32 step;
2568 __s32 default_value;
2569};
2570
2571struct v4l2_event_frame_sync {
2572 __u32 frame_sequence;
2573};
2574
2575#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2576
2577struct v4l2_event_src_change {
2578 __u32 changes;
2579};
2580
2581#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2582
2583/**
2584 * struct v4l2_event_motion_det - motion detection event
2585 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2586 * frame_sequence field is valid.
2587 * @frame_sequence: the frame sequence number associated with this event.
2588 * @region_mask: which regions detected motion.
2589 */
2590struct v4l2_event_motion_det {
2591 __u32 flags;
2592 __u32 frame_sequence;
2593 __u32 region_mask;
2594};
2595
2596struct v4l2_event {
2597 __u32 type;
2598 union {
2599 struct v4l2_event_vsync vsync;
2600 struct v4l2_event_ctrl ctrl;
2601 struct v4l2_event_frame_sync frame_sync;
2602 struct v4l2_event_src_change src_change;
2603 struct v4l2_event_motion_det motion_det;
2604 __u8 data[64];
2605 } u;
2606 __u32 pending;
2607 __u32 sequence;
2608#ifdef __KERNEL__
2609 struct __kernel_timespec timestamp;
2610#else
2611 struct timespec timestamp;
2612#endif
2613 __u32 id;
2614 __u32 reserved[8];
2615};
2616
2617#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2618#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2619
2620struct v4l2_event_subscription {
2621 __u32 type;
2622 __u32 id;
2623 __u32 flags;
2624 __u32 reserved[5];
2625};
2626
2627/*
2628 * A D V A N C E D D E B U G G I N G
2629 *
2630 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2631 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2632 */
2633
2634/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2635
2636#define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2637#define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2638
2639/* The following four defines are no longer in use */
2640#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2641#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2642#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2643#define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2644
2645struct v4l2_dbg_match {
2646 __u32 type; /* Match type */
2647 union { /* Match this chip, meaning determined by type */
2648 __u32 addr;
2649 char name[32];
2650 };
2651} __attribute__ ((packed));
2652
2653struct v4l2_dbg_register {
2654 struct v4l2_dbg_match match;
2655 __u32 size; /* register size in bytes */
2656 __u64 reg;
2657 __u64 val;
2658} __attribute__ ((packed));
2659
2660#define V4L2_CHIP_FL_READABLE (1 << 0)
2661#define V4L2_CHIP_FL_WRITABLE (1 << 1)
2662
2663/* VIDIOC_DBG_G_CHIP_INFO */
2664struct v4l2_dbg_chip_info {
2665 struct v4l2_dbg_match match;
2666 char name[32];
2667 __u32 flags;
2668 __u32 reserved[32];
2669} __attribute__ ((packed));
2670
2671/**
2672 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2673 * @index: on return, index of the first created buffer
2674 * @count: entry: number of requested buffers,
2675 * return: number of created buffers
2676 * @memory: enum v4l2_memory; buffer memory type
2677 * @format: frame format, for which buffers are requested
2678 * @capabilities: capabilities of this buffer type.
2679 * @flags: additional buffer management attributes (ignored unless the
2680 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2681 * and configured for MMAP streaming I/O).
2682 * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
2683 * this field indicate the maximum possible number of buffers
2684 * for this queue.
2685 * @reserved: future extensions
2686 */
2687struct v4l2_create_buffers {
2688 __u32 index;
2689 __u32 count;
2690 __u32 memory;
2691 struct v4l2_format format;
2692 __u32 capabilities;
2693 __u32 flags;
2694 __u32 max_num_buffers;
2695 __u32 reserved[5];
2696};
2697
2698/**
2699 * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument
2700 * @index: the first buffer to be removed
2701 * @count: number of buffers to removed
2702 * @type: enum v4l2_buf_type
2703 * @reserved: future extensions
2704 */
2705struct v4l2_remove_buffers {
2706 __u32 index;
2707 __u32 count;
2708 __u32 type;
2709 __u32 reserved[13];
2710};
2711
2712/*
2713 * 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
2714 *
2715 */
2716#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2717#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2718#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2719#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2720#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2721#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2722#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2723#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2724#define VIDIOC_OVERLAY _IOW('V', 14, int)
2725#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2726#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2727#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2728#define VIDIOC_STREAMON _IOW('V', 18, int)
2729#define VIDIOC_STREAMOFF _IOW('V', 19, int)
2730#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2731#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2732#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2733#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2734#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2735#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2736#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2737#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2738#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2739#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2740#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2741#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2742#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2743#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2744#define VIDIOC_G_INPUT _IOR('V', 38, int)
2745#define VIDIOC_S_INPUT _IOWR('V', 39, int)
2746#define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2747#define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2748#define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2749#define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2750#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2751#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2752#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2753#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2754#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2755#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2756#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2757#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2758#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2759#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2760#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2761#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2762#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2763#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2764#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2765#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2766#define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2767#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2768#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2769#define VIDIOC_LOG_STATUS _IO('V', 70)
2770#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2771#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2772#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2773#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2774#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2775#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2776#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2777#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2778
2779/*
2780 * Experimental, meant for debugging, testing and internal use.
2781 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2782 * You must be root to use these ioctls. Never use these in applications!
2783 */
2784#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2785#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2786
2787#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2788#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2789#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2790#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2791#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2792#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2793#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2794#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2795#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2796#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2797#define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2798#define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2799#define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2800#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2801#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2802#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2803
2804/*
2805 * Experimental, meant for debugging, testing and internal use.
2806 * Never use this in applications!
2807 */
2808#define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2809
2810#define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2811#define VIDIOC_REMOVE_BUFS _IOWR('V', 104, struct v4l2_remove_buffers)
2812
2813
2814/* Reminder: when adding new ioctls please add support for them to
2815 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2816
2817#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2818
2819/* Deprecated definitions kept for backwards compatibility */
2820#ifndef __KERNEL__
2821#define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2822#define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2823/*
2824 * This capability was never implemented, anyone using this cap should drop it
2825 * from their code.
2826 */
2827#define V4L2_CAP_ASYNCIO 0x02000000
2828#endif
2829
2830#endif /* _UAPI__LINUX_VIDEODEV2_H */
2831

source code of linux/include/uapi/linux/videodev2.h