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@kernel.org>
55 * et al.
56 */
57#ifndef __LINUX_VIDEODEV2_H
58#define __LINUX_VIDEODEV2_H
59
60#include <sys/time.h>
61
62#include <linux/ioctl.h>
63#include <linux/types.h>
64#include <linux/v4l2-common.h>
65#include <linux/v4l2-controls.h>
66
67/*
68 * Common stuff for both V4L1 and V4L2
69 * Moved from videodev.h
70 */
71#define VIDEO_MAX_FRAME 32
72#define VIDEO_MAX_PLANES 8
73
74/*
75 * M I S C E L L A N E O U S
76 */
77
78/* Four-character-code (FOURCC) */
79#define v4l2_fourcc(a, b, c, d)\
80 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
81#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31))
82
83/*
84 * E N U M S
85 */
86enum v4l2_field {
87 V4L2_FIELD_ANY = 0, /* driver can choose from none,
88 top, bottom, interlaced
89 depending on whatever it thinks
90 is approximate ... */
91 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
92 V4L2_FIELD_TOP = 2, /* top field only */
93 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
94 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
95 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
96 buffer, top-bottom order */
97 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
98 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
99 separate buffers */
100 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
101 first and the top field is
102 transmitted first */
103 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
104 first and the bottom field is
105 transmitted first */
106};
107#define V4L2_FIELD_HAS_TOP(field) \
108 ((field) == V4L2_FIELD_TOP ||\
109 (field) == V4L2_FIELD_INTERLACED ||\
110 (field) == V4L2_FIELD_INTERLACED_TB ||\
111 (field) == V4L2_FIELD_INTERLACED_BT ||\
112 (field) == V4L2_FIELD_SEQ_TB ||\
113 (field) == V4L2_FIELD_SEQ_BT)
114#define V4L2_FIELD_HAS_BOTTOM(field) \
115 ((field) == V4L2_FIELD_BOTTOM ||\
116 (field) == V4L2_FIELD_INTERLACED ||\
117 (field) == V4L2_FIELD_INTERLACED_TB ||\
118 (field) == V4L2_FIELD_INTERLACED_BT ||\
119 (field) == V4L2_FIELD_SEQ_TB ||\
120 (field) == V4L2_FIELD_SEQ_BT)
121#define V4L2_FIELD_HAS_BOTH(field) \
122 ((field) == V4L2_FIELD_INTERLACED ||\
123 (field) == V4L2_FIELD_INTERLACED_TB ||\
124 (field) == V4L2_FIELD_INTERLACED_BT ||\
125 (field) == V4L2_FIELD_SEQ_TB ||\
126 (field) == V4L2_FIELD_SEQ_BT)
127#define V4L2_FIELD_HAS_T_OR_B(field) \
128 ((field) == V4L2_FIELD_BOTTOM ||\
129 (field) == V4L2_FIELD_TOP ||\
130 (field) == V4L2_FIELD_ALTERNATE)
131#define V4L2_FIELD_IS_INTERLACED(field) \
132 ((field) == V4L2_FIELD_INTERLACED ||\
133 (field) == V4L2_FIELD_INTERLACED_TB ||\
134 (field) == V4L2_FIELD_INTERLACED_BT)
135#define V4L2_FIELD_IS_SEQUENTIAL(field) \
136 ((field) == V4L2_FIELD_SEQ_TB ||\
137 (field) == V4L2_FIELD_SEQ_BT)
138
139enum v4l2_buf_type {
140 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
141 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
142 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
143 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
144 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
145 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
146 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
147 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
148 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
149 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
150 V4L2_BUF_TYPE_SDR_CAPTURE = 11,
151 V4L2_BUF_TYPE_SDR_OUTPUT = 12,
152 V4L2_BUF_TYPE_META_CAPTURE = 13,
153 V4L2_BUF_TYPE_META_OUTPUT = 14,
154 /*
155 * Note: V4L2_TYPE_IS_VALID and V4L2_TYPE_IS_OUTPUT must
156 * be updated if a new type is added.
157 */
158 /* Deprecated, do not use */
159 V4L2_BUF_TYPE_PRIVATE = 0x80,
160};
161
162#define V4L2_TYPE_IS_VALID(type) \
163 ((type) >= V4L2_BUF_TYPE_VIDEO_CAPTURE &&\
164 (type) <= V4L2_BUF_TYPE_META_OUTPUT)
165
166#define V4L2_TYPE_IS_MULTIPLANAR(type) \
167 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
169
170#define V4L2_TYPE_IS_OUTPUT(type) \
171 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
172 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
173 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
174 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
175 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
176 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
177 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
178
179#define V4L2_TYPE_IS_CAPTURE(type) \
180 (V4L2_TYPE_IS_VALID(type) && !V4L2_TYPE_IS_OUTPUT(type))
181
182enum v4l2_tuner_type {
183 V4L2_TUNER_RADIO = 1,
184 V4L2_TUNER_ANALOG_TV = 2,
185 V4L2_TUNER_DIGITAL_TV = 3,
186 V4L2_TUNER_SDR = 4,
187 V4L2_TUNER_RF = 5,
188};
189
190/* Deprecated, do not use */
191#define V4L2_TUNER_ADC V4L2_TUNER_SDR
192
193enum v4l2_memory {
194 V4L2_MEMORY_MMAP = 1,
195 V4L2_MEMORY_USERPTR = 2,
196 V4L2_MEMORY_OVERLAY = 3,
197 V4L2_MEMORY_DMABUF = 4,
198};
199
200/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
201enum v4l2_colorspace {
202 /*
203 * Default colorspace, i.e. let the driver figure it out.
204 * Can only be used with video capture.
205 */
206 V4L2_COLORSPACE_DEFAULT = 0,
207
208 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
209 V4L2_COLORSPACE_SMPTE170M = 1,
210
211 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
212 V4L2_COLORSPACE_SMPTE240M = 2,
213
214 /* Rec.709: used for HDTV */
215 V4L2_COLORSPACE_REC709 = 3,
216
217 /*
218 * Deprecated, do not use. No driver will ever return this. This was
219 * based on a misunderstanding of the bt878 datasheet.
220 */
221 V4L2_COLORSPACE_BT878 = 4,
222
223 /*
224 * NTSC 1953 colorspace. This only makes sense when dealing with
225 * really, really old NTSC recordings. Superseded by SMPTE 170M.
226 */
227 V4L2_COLORSPACE_470_SYSTEM_M = 5,
228
229 /*
230 * EBU Tech 3213 PAL/SECAM colorspace.
231 */
232 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
233
234 /*
235 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
236 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
237 */
238 V4L2_COLORSPACE_JPEG = 7,
239
240 /* For RGB colorspaces such as produces by most webcams. */
241 V4L2_COLORSPACE_SRGB = 8,
242
243 /* opRGB colorspace */
244 V4L2_COLORSPACE_OPRGB = 9,
245
246 /* BT.2020 colorspace, used for UHDTV. */
247 V4L2_COLORSPACE_BT2020 = 10,
248
249 /* Raw colorspace: for RAW unprocessed images */
250 V4L2_COLORSPACE_RAW = 11,
251
252 /* DCI-P3 colorspace, used by cinema projectors */
253 V4L2_COLORSPACE_DCI_P3 = 12,
254
255};
256
257/*
258 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
259 * This depends on whether this is a SDTV image (use SMPTE 170M), an
260 * HDTV image (use Rec. 709), or something else (use sRGB).
261 */
262#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
263 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
264 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
265
266enum v4l2_xfer_func {
267 /*
268 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
269 * for the various colorspaces:
270 *
271 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
272 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
273 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
274 *
275 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
276 *
277 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
278 *
279 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
280 *
281 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
282 *
283 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
284 */
285 V4L2_XFER_FUNC_DEFAULT = 0,
286 V4L2_XFER_FUNC_709 = 1,
287 V4L2_XFER_FUNC_SRGB = 2,
288 V4L2_XFER_FUNC_OPRGB = 3,
289 V4L2_XFER_FUNC_SMPTE240M = 4,
290 V4L2_XFER_FUNC_NONE = 5,
291 V4L2_XFER_FUNC_DCI_P3 = 6,
292 V4L2_XFER_FUNC_SMPTE2084 = 7,
293};
294
295/*
296 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
297 * This depends on the colorspace.
298 */
299#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
300 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
301 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
302 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
303 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
304 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
305 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
306
307enum v4l2_ycbcr_encoding {
308 /*
309 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
310 * various colorspaces:
311 *
312 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
313 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
314 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
315 *
316 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
317 *
318 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
319 *
320 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
321 */
322 V4L2_YCBCR_ENC_DEFAULT = 0,
323
324 /* ITU-R 601 -- SDTV */
325 V4L2_YCBCR_ENC_601 = 1,
326
327 /* Rec. 709 -- HDTV */
328 V4L2_YCBCR_ENC_709 = 2,
329
330 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
331 V4L2_YCBCR_ENC_XV601 = 3,
332
333 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
334 V4L2_YCBCR_ENC_XV709 = 4,
335
336 /*
337 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
338 * originally due to a misunderstanding of the sYCC standard. It should
339 * not be used, instead use V4L2_YCBCR_ENC_601.
340 */
341 V4L2_YCBCR_ENC_SYCC = 5,
342
343 /* BT.2020 Non-constant Luminance Y'CbCr */
344 V4L2_YCBCR_ENC_BT2020 = 6,
345
346 /* BT.2020 Constant Luminance Y'CbcCrc */
347 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
348
349 /* SMPTE 240M -- Obsolete HDTV */
350 V4L2_YCBCR_ENC_SMPTE240M = 8,
351};
352
353/*
354 * enum v4l2_hsv_encoding values should not collide with the ones from
355 * enum v4l2_ycbcr_encoding.
356 */
357enum v4l2_hsv_encoding {
358
359 /* Hue mapped to 0 - 179 */
360 V4L2_HSV_ENC_180 = 128,
361
362 /* Hue mapped to 0-255 */
363 V4L2_HSV_ENC_256 = 129,
364};
365
366/*
367 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
368 * This depends on the colorspace.
369 */
370#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
371 (((colsp) == V4L2_COLORSPACE_REC709 || \
372 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
373 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
374 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
375 V4L2_YCBCR_ENC_601)))
376
377enum v4l2_quantization {
378 /*
379 * The default for R'G'B' quantization is always full range.
380 * For Y'CbCr the quantization is always limited range, except
381 * for COLORSPACE_JPEG: this is full range.
382 */
383 V4L2_QUANTIZATION_DEFAULT = 0,
384 V4L2_QUANTIZATION_FULL_RANGE = 1,
385 V4L2_QUANTIZATION_LIM_RANGE = 2,
386};
387
388/*
389 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
390 * This depends on whether the image is RGB or not, the colorspace.
391 * The Y'CbCr encoding is not used anymore, but is still there for backwards
392 * compatibility.
393 */
394#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
395 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
396 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
397
398/*
399 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
400 *
401 * WARNING: Please don't use these deprecated defines in your code, as
402 * there is a chance we have to remove them in the future.
403 */
404#define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
405#define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
406
407enum v4l2_priority {
408 V4L2_PRIORITY_UNSET = 0, /* not initialized */
409 V4L2_PRIORITY_BACKGROUND = 1,
410 V4L2_PRIORITY_INTERACTIVE = 2,
411 V4L2_PRIORITY_RECORD = 3,
412 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
413};
414
415struct v4l2_rect {
416 __s32 left;
417 __s32 top;
418 __u32 width;
419 __u32 height;
420};
421
422struct v4l2_fract {
423 __u32 numerator;
424 __u32 denominator;
425};
426
427struct v4l2_area {
428 __u32 width;
429 __u32 height;
430};
431
432/**
433 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
434 *
435 * @driver: name of the driver module (e.g. "bttv")
436 * @card: name of the card (e.g. "Hauppauge WinTV")
437 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
438 * @version: KERNEL_VERSION
439 * @capabilities: capabilities of the physical device as a whole
440 * @device_caps: capabilities accessed via this particular device (node)
441 * @reserved: reserved fields for future extensions
442 */
443struct v4l2_capability {
444 __u8 driver[16];
445 __u8 card[32];
446 __u8 bus_info[32];
447 __u32 version;
448 __u32 capabilities;
449 __u32 device_caps;
450 __u32 reserved[3];
451};
452
453/* Values for 'capabilities' field */
454#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
455#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
456#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
457#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
458#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
459#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
460#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
461#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
462#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
463#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
464#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
465
466/* Is a video capture device that supports multiplanar formats */
467#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
468/* Is a video output device that supports multiplanar formats */
469#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
470/* Is a video mem-to-mem device that supports multiplanar formats */
471#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
472/* Is a video mem-to-mem device */
473#define V4L2_CAP_VIDEO_M2M 0x00008000
474
475#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
476#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
477#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
478#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
479
480#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
481#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
482#define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
483#define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
484
485#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
486#define V4L2_CAP_EDID 0x02000000 /* Is an EDID-only device */
487#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
488#define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
489
490#define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
491
492#define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */
493
494#define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
495
496/*
497 * V I D E O I M A G E F O R M A T
498 */
499struct v4l2_pix_format {
500 __u32 width;
501 __u32 height;
502 __u32 pixelformat;
503 __u32 field; /* enum v4l2_field */
504 __u32 bytesperline; /* for padding, zero if unused */
505 __u32 sizeimage;
506 __u32 colorspace; /* enum v4l2_colorspace */
507 __u32 priv; /* private data, depends on pixelformat */
508 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
509 union {
510 /* enum v4l2_ycbcr_encoding */
511 __u32 ycbcr_enc;
512 /* enum v4l2_hsv_encoding */
513 __u32 hsv_enc;
514 };
515 __u32 quantization; /* enum v4l2_quantization */
516 __u32 xfer_func; /* enum v4l2_xfer_func */
517};
518
519/* Pixel format FOURCC depth Description */
520
521/* RGB formats (1 or 2 bytes per pixel) */
522#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
523#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
524#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
525#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
526#define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
527#define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
528#define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
529#define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
530#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
531#define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
532#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
533#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
534#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
535#define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
536#define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
537#define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
538#define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
539#define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
540#define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
541#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
542#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
543#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
544#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
545#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
546
547/* RGB formats (3 or 4 bytes per pixel) */
548#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
549#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
550#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
551#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
552#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
553#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
554#define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
555#define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
556#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
557#define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
558#define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
559#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
560#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
561#define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */
562#define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */
563#define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */
564
565/* RGB formats (6 or 8 bytes per pixel) */
566#define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */
567#define V4L2_PIX_FMT_BGR48 v4l2_fourcc('B', 'G', 'R', '6') /* 48 BGR 16-bit per component */
568#define V4L2_PIX_FMT_RGB48 v4l2_fourcc('R', 'G', 'B', '6') /* 48 RGB 16-bit per component */
569#define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */
570
571/* Grey formats */
572#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
573#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
574#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
575#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
576#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
577#define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */
578#define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */
579#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
580#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
581
582/* Grey bit-packed formats */
583#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
584#define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
585#define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
586#define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */
587#define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW14 packed */
588
589/* Palette formats */
590#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
591
592/* Chrominance formats */
593#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
594
595/* Luminance+Chrominance formats */
596#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
597#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
598#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
599#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
600#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
601#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
602#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
603#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
604#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
605#define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
606#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
607#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
608#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
609#define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
610#define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
611#define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */
612#define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */
613#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
614#define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */
615
616/*
617 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs
618 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
619 */
620#define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */
621#define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */
622#define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */
623
624/* two planes -- one Y, one Cr + Cb interleaved */
625#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
626#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
627#define V4L2_PIX_FMT_NV15 v4l2_fourcc('N', 'V', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit packed */
628#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
629#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
630#define V4L2_PIX_FMT_NV20 v4l2_fourcc('N', 'V', '2', '0') /* 20 Y/CbCr 4:2:2 10-bit packed */
631#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
632#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
633#define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */
634#define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
635
636/* two non contiguous planes - one Y, one Cr + Cb interleaved */
637#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
638#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
639#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
640#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
641#define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
642
643/* three planes - Y Cb, Cr */
644#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
645#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
646#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
647#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
648#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
649#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
650
651/* three non contiguous planes - Y, Cb, Cr */
652#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
653#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
654#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
655#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
656#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
657#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
658
659/* Tiled YUV formats */
660#define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */
661#define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
662#define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */
663#define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */
664#define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
665#define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
666#define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
667
668/* Tiled YUV formats, non contiguous planes */
669#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */
670#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
671#define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
672#define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
673
674/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
675#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
676#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
677#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
678#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
679#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
680#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
681#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
682#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
683 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
684#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
685#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
686#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
687#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
688 /* 10bit raw bayer a-law compressed to 8 bits */
689#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
690#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
691#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
692#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
693 /* 10bit raw bayer DPCM compressed to 8 bits */
694#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
695#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
696#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
697#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
698#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
699#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
700#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
701#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
702 /* 12bit raw bayer packed, 3 bytes for every 2 pixels */
703#define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
704#define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
705#define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
706#define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
707#define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */
708#define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */
709#define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */
710#define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */
711 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
712#define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
713#define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
714#define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
715#define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
716#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
717#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
718#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
719#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
720
721/* HSV formats */
722#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
723#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
724
725/* compressed formats */
726#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
727#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
728#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
729#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
730#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
731#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
732#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
733#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
734#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
735#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
736#define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
737#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
738#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
739#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
740#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
741#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
742#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
743#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
744#define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
745#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
746#define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
747#define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
748#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
749#define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
750#define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */
751#define V4L2_PIX_FMT_AV1 v4l2_fourcc('A', 'V', '0', '1') /* AV1 */
752#define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */
753#define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
754#define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */
755
756/* Vendor-specific formats */
757#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
758#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
759#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
760#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
761#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
762#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
763#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
764#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
765#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
766#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
767#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
768#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
769#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
770#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
771#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
772#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
773#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
774#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
775#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
776#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
777#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
778#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
779#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
780#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
781#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
782#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
783#define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
784#define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
785#define V4L2_PIX_FMT_Y16I v4l2_fourcc('Y', '1', '6', 'I') /* Greyscale 16-bit L/R interleaved */
786#define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
787#define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
788#define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
789#define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */
790#define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */
791#define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
792#define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
793#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
794#define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
795#define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
796#define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
797#define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */
798
799/* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
800#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
801#define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
802#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
803#define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
804
805/* Raspberry Pi PiSP compressed formats. */
806#define V4L2_PIX_FMT_PISP_COMP1_RGGB v4l2_fourcc('P', 'C', '1', 'R') /* PiSP 8-bit mode 1 compressed RGGB bayer */
807#define V4L2_PIX_FMT_PISP_COMP1_GRBG v4l2_fourcc('P', 'C', '1', 'G') /* PiSP 8-bit mode 1 compressed GRBG bayer */
808#define V4L2_PIX_FMT_PISP_COMP1_GBRG v4l2_fourcc('P', 'C', '1', 'g') /* PiSP 8-bit mode 1 compressed GBRG bayer */
809#define V4L2_PIX_FMT_PISP_COMP1_BGGR v4l2_fourcc('P', 'C', '1', 'B') /* PiSP 8-bit mode 1 compressed BGGR bayer */
810#define V4L2_PIX_FMT_PISP_COMP1_MONO v4l2_fourcc('P', 'C', '1', 'M') /* PiSP 8-bit mode 1 compressed monochrome */
811#define V4L2_PIX_FMT_PISP_COMP2_RGGB v4l2_fourcc('P', 'C', '2', 'R') /* PiSP 8-bit mode 2 compressed RGGB bayer */
812#define V4L2_PIX_FMT_PISP_COMP2_GRBG v4l2_fourcc('P', 'C', '2', 'G') /* PiSP 8-bit mode 2 compressed GRBG bayer */
813#define V4L2_PIX_FMT_PISP_COMP2_GBRG v4l2_fourcc('P', 'C', '2', 'g') /* PiSP 8-bit mode 2 compressed GBRG bayer */
814#define V4L2_PIX_FMT_PISP_COMP2_BGGR v4l2_fourcc('P', 'C', '2', 'B') /* PiSP 8-bit mode 2 compressed BGGR bayer */
815#define V4L2_PIX_FMT_PISP_COMP2_MONO v4l2_fourcc('P', 'C', '2', 'M') /* PiSP 8-bit mode 2 compressed monochrome */
816
817/* Renesas RZ/V2H CRU packed formats. 64-bit units with contiguous pixels */
818#define V4L2_PIX_FMT_RAW_CRU10 v4l2_fourcc('C', 'R', '1', '0')
819#define V4L2_PIX_FMT_RAW_CRU12 v4l2_fourcc('C', 'R', '1', '2')
820#define V4L2_PIX_FMT_RAW_CRU14 v4l2_fourcc('C', 'R', '1', '4')
821#define V4L2_PIX_FMT_RAW_CRU20 v4l2_fourcc('C', 'R', '2', '0')
822
823/* SDR formats - used only for Software Defined Radio devices */
824#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
825#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
826#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
827#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
828#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
829#define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
830#define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
831#define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
832
833/* Touch formats - used for Touch devices */
834#define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
835#define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
836#define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
837#define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
838
839/* Meta-data formats */
840#define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
841#define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
842#define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
843#define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
844#define V4L2_META_FMT_UVC_MSXU_1_5 v4l2_fourcc('U', 'V', 'C', 'M') /* UVC MSXU metadata */
845#define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
846
847/* Vendor specific - used for RK_ISP1 camera sub-system */
848#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
849#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
850#define V4L2_META_FMT_RK_ISP1_EXT_PARAMS v4l2_fourcc('R', 'K', '1', 'E') /* Rockchip ISP1 3a Extensible Parameters */
851
852/* Vendor specific - used for C3_ISP */
853#define V4L2_META_FMT_C3ISP_PARAMS v4l2_fourcc('C', '3', 'P', 'M') /* Amlogic C3 ISP Parameters */
854#define V4L2_META_FMT_C3ISP_STATS v4l2_fourcc('C', '3', 'S', 'T') /* Amlogic C3 ISP Statistics */
855
856/* Vendor specific - used for RaspberryPi PiSP */
857#define V4L2_META_FMT_RPI_BE_CFG v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */
858#define V4L2_META_FMT_RPI_FE_CFG v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */
859#define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */
860
861/* Vendor specific - used for Arm Mali-C55 ISP */
862#define V4L2_META_FMT_MALI_C55_PARAMS v4l2_fourcc('C', '5', '5', 'P') /* ARM Mali-C55 Parameters */
863#define V4L2_META_FMT_MALI_C55_STATS v4l2_fourcc('C', '5', '5', 'S') /* ARM Mali-C55 3A Statistics */
864
865
866/* priv field value to indicates that subsequent fields are valid. */
867#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
868
869/* Flags */
870#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
871#define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002
872
873/*
874 * F O R M A T E N U M E R A T I O N
875 */
876struct v4l2_fmtdesc {
877 __u32 index; /* Format number */
878 __u32 type; /* enum v4l2_buf_type */
879 __u32 flags;
880 __u8 description[32]; /* Description string */
881 __u32 pixelformat; /* Format fourcc */
882 __u32 mbus_code; /* Media bus code */
883 __u32 reserved[3];
884};
885
886#define V4L2_FMT_FLAG_COMPRESSED 0x0001
887#define V4L2_FMT_FLAG_EMULATED 0x0002
888#define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
889#define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
890#define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
891#define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020
892#define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040
893#define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
894#define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
895#define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
896#define V4L2_FMT_FLAG_META_LINE_BASED 0x0200
897
898/* Format description flag, to be ORed with the index */
899#define V4L2_FMTDESC_FLAG_ENUM_ALL 0x80000000
900
901 /* Frame Size and frame rate enumeration */
902/*
903 * F R A M E S I Z E E N U M E R A T I O N
904 */
905enum v4l2_frmsizetypes {
906 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
907 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
908 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
909};
910
911struct v4l2_frmsize_discrete {
912 __u32 width; /* Frame width [pixel] */
913 __u32 height; /* Frame height [pixel] */
914};
915
916struct v4l2_frmsize_stepwise {
917 __u32 min_width; /* Minimum frame width [pixel] */
918 __u32 max_width; /* Maximum frame width [pixel] */
919 __u32 step_width; /* Frame width step size [pixel] */
920 __u32 min_height; /* Minimum frame height [pixel] */
921 __u32 max_height; /* Maximum frame height [pixel] */
922 __u32 step_height; /* Frame height step size [pixel] */
923};
924
925struct v4l2_frmsizeenum {
926 __u32 index; /* Frame size number */
927 __u32 pixel_format; /* Pixel format */
928 __u32 type; /* Frame size type the device supports. */
929
930 union { /* Frame size */
931 struct v4l2_frmsize_discrete discrete;
932 struct v4l2_frmsize_stepwise stepwise;
933 };
934
935 __u32 reserved[2]; /* Reserved space for future use */
936};
937
938/*
939 * F R A M E R A T E E N U M E R A T I O N
940 */
941enum v4l2_frmivaltypes {
942 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
943 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
944 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
945};
946
947struct v4l2_frmival_stepwise {
948 struct v4l2_fract min; /* Minimum frame interval [s] */
949 struct v4l2_fract max; /* Maximum frame interval [s] */
950 struct v4l2_fract step; /* Frame interval step size [s] */
951};
952
953struct v4l2_frmivalenum {
954 __u32 index; /* Frame format index */
955 __u32 pixel_format; /* Pixel format */
956 __u32 width; /* Frame width */
957 __u32 height; /* Frame height */
958 __u32 type; /* Frame interval type the device supports. */
959
960 union { /* Frame interval */
961 struct v4l2_fract discrete;
962 struct v4l2_frmival_stepwise stepwise;
963 };
964
965 __u32 reserved[2]; /* Reserved space for future use */
966};
967
968/*
969 * T I M E C O D E
970 */
971struct v4l2_timecode {
972 __u32 type;
973 __u32 flags;
974 __u8 frames;
975 __u8 seconds;
976 __u8 minutes;
977 __u8 hours;
978 __u8 userbits[4];
979};
980
981/* Type */
982#define V4L2_TC_TYPE_24FPS 1
983#define V4L2_TC_TYPE_25FPS 2
984#define V4L2_TC_TYPE_30FPS 3
985#define V4L2_TC_TYPE_50FPS 4
986#define V4L2_TC_TYPE_60FPS 5
987
988/* Flags */
989#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
990#define V4L2_TC_FLAG_COLORFRAME 0x0002
991#define V4L2_TC_USERBITS_field 0x000C
992#define V4L2_TC_USERBITS_USERDEFINED 0x0000
993#define V4L2_TC_USERBITS_8BITCHARS 0x0008
994/* The above is based on SMPTE timecodes */
995
996struct v4l2_jpegcompression {
997 int quality;
998
999 int APPn; /* Number of APP segment to be written,
1000 * must be 0..15 */
1001 int APP_len; /* Length of data in JPEG APPn segment */
1002 char APP_data[60]; /* Data in the JPEG APPn segment. */
1003
1004 int COM_len; /* Length of data in JPEG COM segment */
1005 char COM_data[60]; /* Data in JPEG COM segment */
1006
1007 __u32 jpeg_markers; /* Which markers should go into the JPEG
1008 * output. Unless you exactly know what
1009 * you do, leave them untouched.
1010 * Including less markers will make the
1011 * resulting code smaller, but there will
1012 * be fewer applications which can read it.
1013 * The presence of the APP and COM marker
1014 * is influenced by APP_len and COM_len
1015 * ONLY, not by this property! */
1016
1017#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
1018#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
1019#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
1020#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
1021#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
1022 * always use APP0 */
1023};
1024
1025/*
1026 * M E M O R Y - M A P P I N G B U F F E R S
1027 */
1028
1029
1030struct v4l2_requestbuffers {
1031 __u32 count;
1032 __u32 type; /* enum v4l2_buf_type */
1033 __u32 memory; /* enum v4l2_memory */
1034 __u32 capabilities;
1035 __u8 flags;
1036 __u8 reserved[3];
1037};
1038
1039#define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0)
1040
1041/* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
1042#define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
1043#define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
1044#define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
1045#define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
1046#define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
1047#define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
1048#define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
1049#define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7)
1050#define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS (1 << 8)
1051
1052/**
1053 * struct v4l2_plane - plane info for multi-planar buffers
1054 * @bytesused: number of bytes occupied by data in the plane (payload)
1055 * @length: size of this plane (NOT the payload) in bytes
1056 * @m.mem_offset: when memory in the associated struct v4l2_buffer is
1057 * V4L2_MEMORY_MMAP, equals the offset from the start of
1058 * the device memory for this plane (or is a "cookie" that
1059 * should be passed to mmap() called on the video node)
1060 * @m.userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
1061 * pointing to this plane
1062 * @m.fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
1063 * descriptor associated with this plane
1064 * @m: union of @mem_offset, @userptr and @fd
1065 * @data_offset: offset in the plane to the start of data; usually 0,
1066 * unless there is a header in front of the data
1067 * @reserved: drivers and applications must zero this array
1068 *
1069 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1070 * with two planes can have one plane for Y, and another for interleaved CbCr
1071 * components. Each plane can reside in a separate memory buffer, or even in
1072 * a completely separate memory node (e.g. in embedded devices).
1073 */
1074struct v4l2_plane {
1075 __u32 bytesused;
1076 __u32 length;
1077 union {
1078 __u32 mem_offset;
1079 unsigned long userptr;
1080 __s32 fd;
1081 } m;
1082 __u32 data_offset;
1083 __u32 reserved[11];
1084};
1085
1086/**
1087 * struct v4l2_buffer - video buffer info
1088 * @index: id number of the buffer
1089 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1090 * multiplanar buffers);
1091 * @bytesused: number of bytes occupied by data in the buffer (payload);
1092 * unused (set to 0) for multiplanar buffers
1093 * @flags: buffer informational flags
1094 * @field: enum v4l2_field; field order of the image in the buffer
1095 * @timestamp: frame timestamp
1096 * @timecode: frame timecode
1097 * @sequence: sequence count of this frame
1098 * @memory: enum v4l2_memory; the method, in which the actual video data is
1099 * passed
1100 * @m.offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1101 * offset from the start of the device memory for this plane,
1102 * (or a "cookie" that should be passed to mmap() as offset)
1103 * @m.userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1104 * a userspace pointer pointing to this buffer
1105 * @m.fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1106 * a userspace file descriptor associated with this buffer
1107 * @m.planes: for multiplanar buffers; userspace pointer to the array of plane
1108 * info structs for this buffer
1109 * @m: union of @offset, @userptr, @planes and @fd
1110 * @length: size in bytes of the buffer (NOT its payload) for single-plane
1111 * buffers (when type != *_MPLANE); number of elements in the
1112 * planes array for multi-plane buffers
1113 * @reserved2: drivers and applications must zero this field
1114 * @request_fd: fd of the request that this buffer should use
1115 * @reserved: for backwards compatibility with applications that do not know
1116 * about @request_fd
1117 *
1118 * Contains data exchanged by application and driver using one of the Streaming
1119 * I/O methods.
1120 */
1121struct v4l2_buffer {
1122 __u32 index;
1123 __u32 type;
1124 __u32 bytesused;
1125 __u32 flags;
1126 __u32 field;
1127 struct timeval timestamp;
1128 struct v4l2_timecode timecode;
1129 __u32 sequence;
1130
1131 /* memory location */
1132 __u32 memory;
1133 union {
1134 __u32 offset;
1135 unsigned long userptr;
1136 struct v4l2_plane *planes;
1137 __s32 fd;
1138 } m;
1139 __u32 length;
1140 __u32 reserved2;
1141 union {
1142 __s32 request_fd;
1143 __u32 reserved;
1144 };
1145};
1146
1147/**
1148 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1149 * @tv: pointer to the timeval variable to be converted
1150 *
1151 * Returns the scalar nanosecond representation of the timeval
1152 * parameter.
1153 */
1154static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1155{
1156 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1157}
1158
1159/* Flags for 'flags' field */
1160/* Buffer is mapped (flag) */
1161#define V4L2_BUF_FLAG_MAPPED 0x00000001
1162/* Buffer is queued for processing */
1163#define V4L2_BUF_FLAG_QUEUED 0x00000002
1164/* Buffer is ready */
1165#define V4L2_BUF_FLAG_DONE 0x00000004
1166/* Image is a keyframe (I-frame) */
1167#define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1168/* Image is a P-frame */
1169#define V4L2_BUF_FLAG_PFRAME 0x00000010
1170/* Image is a B-frame */
1171#define V4L2_BUF_FLAG_BFRAME 0x00000020
1172/* Buffer is ready, but the data contained within is corrupted. */
1173#define V4L2_BUF_FLAG_ERROR 0x00000040
1174/* Buffer is added to an unqueued request */
1175#define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1176/* timecode field is valid */
1177#define V4L2_BUF_FLAG_TIMECODE 0x00000100
1178/* Don't return the capture buffer until OUTPUT timestamp changes */
1179#define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1180/* Buffer is prepared for queuing */
1181#define V4L2_BUF_FLAG_PREPARED 0x00000400
1182/* Cache handling flags */
1183#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1184#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1185/* Timestamp type */
1186#define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1187#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1188#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1189#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1190/* Timestamp sources. */
1191#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1192#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1193#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1194/* mem2mem encoder/decoder */
1195#define V4L2_BUF_FLAG_LAST 0x00100000
1196/* request_fd is valid */
1197#define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1198
1199/**
1200 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1201 *
1202 * @index: id number of the buffer
1203 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1204 * multiplanar buffers);
1205 * @plane: index of the plane to be exported, 0 for single plane queues
1206 * @flags: flags for newly created file, currently only O_CLOEXEC is
1207 * supported, refer to manual of open syscall for more details
1208 * @fd: file descriptor associated with DMABUF (set by driver)
1209 * @reserved: drivers and applications must zero this array
1210 *
1211 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1212 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1213 * (identical to the cookie used to mmap() the buffer to userspace). All
1214 * reserved fields must be set to zero. The field reserved0 is expected to
1215 * become a structure 'type' allowing an alternative layout of the structure
1216 * content. Therefore this field should not be used for any other extensions.
1217 */
1218struct v4l2_exportbuffer {
1219 __u32 type; /* enum v4l2_buf_type */
1220 __u32 index;
1221 __u32 plane;
1222 __u32 flags;
1223 __s32 fd;
1224 __u32 reserved[11];
1225};
1226
1227/*
1228 * O V E R L A Y P R E V I E W
1229 */
1230struct v4l2_framebuffer {
1231 __u32 capability;
1232 __u32 flags;
1233/* FIXME: in theory we should pass something like PCI device + memory
1234 * region + offset instead of some physical address */
1235 void *base;
1236 struct {
1237 __u32 width;
1238 __u32 height;
1239 __u32 pixelformat;
1240 __u32 field; /* enum v4l2_field */
1241 __u32 bytesperline; /* for padding, zero if unused */
1242 __u32 sizeimage;
1243 __u32 colorspace; /* enum v4l2_colorspace */
1244 __u32 priv; /* reserved field, set to 0 */
1245 } fmt;
1246};
1247/* Flags for the 'capability' field. Read only */
1248#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1249#define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1250#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1251#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1252#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1253#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1254#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1255#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1256/* Flags for the 'flags' field. */
1257#define V4L2_FBUF_FLAG_PRIMARY 0x0001
1258#define V4L2_FBUF_FLAG_OVERLAY 0x0002
1259#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1260#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1261#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1262#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1263#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1264
1265struct v4l2_clip {
1266 struct v4l2_rect c;
1267 struct v4l2_clip *next;
1268};
1269
1270struct v4l2_window {
1271 struct v4l2_rect w;
1272 __u32 field; /* enum v4l2_field */
1273 __u32 chromakey;
1274 struct v4l2_clip *clips;
1275 __u32 clipcount;
1276 void *bitmap;
1277 __u8 global_alpha;
1278};
1279
1280/*
1281 * C A P T U R E P A R A M E T E R S
1282 */
1283struct v4l2_captureparm {
1284 __u32 capability; /* Supported modes */
1285 __u32 capturemode; /* Current mode */
1286 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1287 __u32 extendedmode; /* Driver-specific extensions */
1288 __u32 readbuffers; /* # of buffers for read */
1289 __u32 reserved[4];
1290};
1291
1292/* Flags for 'capability' and 'capturemode' fields */
1293#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1294#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1295
1296struct v4l2_outputparm {
1297 __u32 capability; /* Supported modes */
1298 __u32 outputmode; /* Current mode */
1299 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1300 __u32 extendedmode; /* Driver-specific extensions */
1301 __u32 writebuffers; /* # of buffers for write */
1302 __u32 reserved[4];
1303};
1304
1305/*
1306 * I N P U T I M A G E C R O P P I N G
1307 */
1308struct v4l2_cropcap {
1309 __u32 type; /* enum v4l2_buf_type */
1310 struct v4l2_rect bounds;
1311 struct v4l2_rect defrect;
1312 struct v4l2_fract pixelaspect;
1313};
1314
1315struct v4l2_crop {
1316 __u32 type; /* enum v4l2_buf_type */
1317 struct v4l2_rect c;
1318};
1319
1320/**
1321 * struct v4l2_selection - selection info
1322 * @type: buffer type (do not use *_MPLANE types)
1323 * @target: Selection target, used to choose one of possible rectangles;
1324 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1325 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1326 * @r: coordinates of selection window
1327 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1328 *
1329 * Hardware may use multiple helper windows to process a video stream.
1330 * The structure is used to exchange this selection areas between
1331 * an application and a driver.
1332 */
1333struct v4l2_selection {
1334 __u32 type;
1335 __u32 target;
1336 __u32 flags;
1337 struct v4l2_rect r;
1338 __u32 reserved[9];
1339};
1340
1341
1342/*
1343 * A N A L O G V I D E O S T A N D A R D
1344 */
1345
1346typedef __u64 v4l2_std_id;
1347
1348/*
1349 * Attention: Keep the V4L2_STD_* bit definitions in sync with
1350 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1351 */
1352/* one bit for each */
1353#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1354#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1355#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1356#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1357#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1358#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1359#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1360#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1361
1362#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1363#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1364#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1365#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1366
1367#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1368#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1369#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1370#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1371
1372#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1373#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1374#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1375#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1376#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1377#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1378#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1379#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1380
1381/* ATSC/HDTV */
1382#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1383#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1384
1385/* FIXME:
1386 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1387 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1388 this value to 32 bits.
1389 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1390 it should work fine. However, if needed to add more than two standards,
1391 v4l2-common.c should be fixed.
1392 */
1393
1394/*
1395 * Some macros to merge video standards in order to make live easier for the
1396 * drivers and V4L2 applications
1397 */
1398
1399/*
1400 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1401 * Missing here.
1402 */
1403#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1404 V4L2_STD_NTSC_M_JP |\
1405 V4L2_STD_NTSC_M_KR)
1406/* Secam macros */
1407#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1408 V4L2_STD_SECAM_K |\
1409 V4L2_STD_SECAM_K1)
1410/* All Secam Standards */
1411#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1412 V4L2_STD_SECAM_G |\
1413 V4L2_STD_SECAM_H |\
1414 V4L2_STD_SECAM_DK |\
1415 V4L2_STD_SECAM_L |\
1416 V4L2_STD_SECAM_LC)
1417/* PAL macros */
1418#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1419 V4L2_STD_PAL_B1 |\
1420 V4L2_STD_PAL_G)
1421#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1422 V4L2_STD_PAL_D1 |\
1423 V4L2_STD_PAL_K)
1424/*
1425 * "Common" PAL - This macro is there to be compatible with the old
1426 * V4L1 concept of "PAL": /BGDKHI.
1427 * Several PAL standards are missing here: /M, /N and /Nc
1428 */
1429#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1430 V4L2_STD_PAL_DK |\
1431 V4L2_STD_PAL_H |\
1432 V4L2_STD_PAL_I)
1433/* Chroma "agnostic" standards */
1434#define V4L2_STD_B (V4L2_STD_PAL_B |\
1435 V4L2_STD_PAL_B1 |\
1436 V4L2_STD_SECAM_B)
1437#define V4L2_STD_G (V4L2_STD_PAL_G |\
1438 V4L2_STD_SECAM_G)
1439#define V4L2_STD_H (V4L2_STD_PAL_H |\
1440 V4L2_STD_SECAM_H)
1441#define V4L2_STD_L (V4L2_STD_SECAM_L |\
1442 V4L2_STD_SECAM_LC)
1443#define V4L2_STD_GH (V4L2_STD_G |\
1444 V4L2_STD_H)
1445#define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1446 V4L2_STD_SECAM_DK)
1447#define V4L2_STD_BG (V4L2_STD_B |\
1448 V4L2_STD_G)
1449#define V4L2_STD_MN (V4L2_STD_PAL_M |\
1450 V4L2_STD_PAL_N |\
1451 V4L2_STD_PAL_Nc |\
1452 V4L2_STD_NTSC)
1453
1454/* Standards where MTS/BTSC stereo could be found */
1455#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1456 V4L2_STD_PAL_M |\
1457 V4L2_STD_PAL_N |\
1458 V4L2_STD_PAL_Nc)
1459
1460/* Standards for Countries with 60Hz Line frequency */
1461#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1462 V4L2_STD_PAL_60 |\
1463 V4L2_STD_NTSC |\
1464 V4L2_STD_NTSC_443)
1465/* Standards for Countries with 50Hz Line frequency */
1466#define V4L2_STD_625_50 (V4L2_STD_PAL |\
1467 V4L2_STD_PAL_N |\
1468 V4L2_STD_PAL_Nc |\
1469 V4L2_STD_SECAM)
1470
1471#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1472 V4L2_STD_ATSC_16_VSB)
1473/* Macros with none and all analog standards */
1474#define V4L2_STD_UNKNOWN 0
1475#define V4L2_STD_ALL (V4L2_STD_525_60 |\
1476 V4L2_STD_625_50)
1477
1478struct v4l2_standard {
1479 __u32 index;
1480 v4l2_std_id id;
1481 __u8 name[24];
1482 struct v4l2_fract frameperiod; /* Frames, not fields */
1483 __u32 framelines;
1484 __u32 reserved[4];
1485};
1486
1487/*
1488 * D V B T T I M I N G S
1489 */
1490
1491/** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1492 * @width: total width of the active video in pixels
1493 * @height: total height of the active video in lines
1494 * @interlaced: Interlaced or progressive
1495 * @polarities: Positive or negative polarities
1496 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1497 * @hfrontporch:Horizontal front porch in pixels
1498 * @hsync: Horizontal Sync length in pixels
1499 * @hbackporch: Horizontal back porch in pixels
1500 * @vfrontporch:Vertical front porch in lines
1501 * @vsync: Vertical Sync length in lines
1502 * @vbackporch: Vertical back porch in lines
1503 * @il_vfrontporch:Vertical front porch for the even field
1504 * (aka field 2) of interlaced field formats
1505 * @il_vsync: Vertical Sync length for the even field
1506 * (aka field 2) of interlaced field formats
1507 * @il_vbackporch:Vertical back porch for the even field
1508 * (aka field 2) of interlaced field formats
1509 * @standards: Standards the timing belongs to
1510 * @flags: Flags
1511 * @picture_aspect: The picture aspect ratio (hor/vert).
1512 * @cea861_vic: VIC code as per the CEA-861 standard.
1513 * @hdmi_vic: VIC code as per the HDMI standard.
1514 * @reserved: Reserved fields, must be zeroed.
1515 *
1516 * A note regarding vertical interlaced timings: height refers to the total
1517 * height of the active video frame (= two fields). The blanking timings refer
1518 * to the blanking of each field. So the height of the total frame is
1519 * calculated as follows:
1520 *
1521 * tot_height = height + vfrontporch + vsync + vbackporch +
1522 * il_vfrontporch + il_vsync + il_vbackporch
1523 *
1524 * The active height of each field is height / 2.
1525 */
1526struct v4l2_bt_timings {
1527 __u32 width;
1528 __u32 height;
1529 __u32 interlaced;
1530 __u32 polarities;
1531 __u64 pixelclock;
1532 __u32 hfrontporch;
1533 __u32 hsync;
1534 __u32 hbackporch;
1535 __u32 vfrontporch;
1536 __u32 vsync;
1537 __u32 vbackporch;
1538 __u32 il_vfrontporch;
1539 __u32 il_vsync;
1540 __u32 il_vbackporch;
1541 __u32 standards;
1542 __u32 flags;
1543 struct v4l2_fract picture_aspect;
1544 __u8 cea861_vic;
1545 __u8 hdmi_vic;
1546 __u8 reserved[46];
1547} __attribute__ ((packed));
1548
1549/* Interlaced or progressive format */
1550#define V4L2_DV_PROGRESSIVE 0
1551#define V4L2_DV_INTERLACED 1
1552
1553/* Polarities. If bit is not set, it is assumed to be negative polarity */
1554#define V4L2_DV_VSYNC_POS_POL 0x00000001
1555#define V4L2_DV_HSYNC_POS_POL 0x00000002
1556
1557/* Timings standards */
1558#define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1559#define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1560#define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1561#define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1562#define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1563
1564/* Flags */
1565
1566/*
1567 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1568 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1569 * intervals are reduced, allowing a higher resolution over the same
1570 * bandwidth. This is a read-only flag.
1571 */
1572#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1573/*
1574 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1575 * of six. These formats can be optionally played at 1 / 1.001 speed.
1576 * This is a read-only flag.
1577 */
1578#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1579/*
1580 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1581 * by receivers.
1582 * If the framerate of the format is a multiple of six, then the pixelclock
1583 * used to set up the transmitter is divided by 1.001 to make it compatible
1584 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1585 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1586 * such frequencies, then the flag will also be cleared.
1587 */
1588#define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1589/*
1590 * Specific to interlaced formats: if set, then field 1 is really one half-line
1591 * longer and field 2 is really one half-line shorter, so each field has
1592 * exactly the same number of half-lines. Whether half-lines can be detected
1593 * or used depends on the hardware.
1594 */
1595#define V4L2_DV_FL_HALF_LINE (1 << 3)
1596/*
1597 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1598 * differ from other formats (commonly called IT formats) in that if RGB
1599 * encoding is used then by default the RGB values use limited range (i.e.
1600 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1601 * except for the 640x480 format are CE formats.
1602 */
1603#define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1604/* Some formats like SMPTE-125M have an interlaced signal with a odd
1605 * total height. For these formats, if this flag is set, the first
1606 * field has the extra line. If not, it is the second field.
1607 */
1608#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1609/*
1610 * If set, then the picture_aspect field is valid. Otherwise assume that the
1611 * pixels are square, so the picture aspect ratio is the same as the width to
1612 * height ratio.
1613 */
1614#define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1615/*
1616 * If set, then the cea861_vic field is valid and contains the Video
1617 * Identification Code as per the CEA-861 standard.
1618 */
1619#define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1620/*
1621 * If set, then the hdmi_vic field is valid and contains the Video
1622 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1623 * InfoFrame).
1624 */
1625#define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1626/*
1627 * CEA-861 specific: only valid for video receivers.
1628 * If set, then HW can detect the difference between regular FPS and
1629 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1630 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1631 */
1632#define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1633
1634/* A few useful defines to calculate the total blanking and frame sizes */
1635#define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1636 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1637#define V4L2_DV_BT_FRAME_WIDTH(bt) \
1638 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1639#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1640 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1641 ((bt)->interlaced ? \
1642 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1643#define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1644 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1645
1646/** struct v4l2_dv_timings - DV timings
1647 * @type: the type of the timings
1648 * @bt: BT656/1120 timings
1649 */
1650struct v4l2_dv_timings {
1651 __u32 type;
1652 union {
1653 struct v4l2_bt_timings bt;
1654 __u32 reserved[32];
1655 };
1656} __attribute__ ((packed));
1657
1658/* Values for the type field */
1659#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1660
1661
1662/** struct v4l2_enum_dv_timings - DV timings enumeration
1663 * @index: enumeration index
1664 * @pad: the pad number for which to enumerate timings (used with
1665 * v4l-subdev nodes only)
1666 * @reserved: must be zeroed
1667 * @timings: the timings for the given index
1668 */
1669struct v4l2_enum_dv_timings {
1670 __u32 index;
1671 __u32 pad;
1672 __u32 reserved[2];
1673 struct v4l2_dv_timings timings;
1674};
1675
1676/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1677 * @min_width: width in pixels
1678 * @max_width: width in pixels
1679 * @min_height: height in lines
1680 * @max_height: height in lines
1681 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1682 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1683 * @standards: Supported standards
1684 * @capabilities: Supported capabilities
1685 * @reserved: Must be zeroed
1686 */
1687struct v4l2_bt_timings_cap {
1688 __u32 min_width;
1689 __u32 max_width;
1690 __u32 min_height;
1691 __u32 max_height;
1692 __u64 min_pixelclock;
1693 __u64 max_pixelclock;
1694 __u32 standards;
1695 __u32 capabilities;
1696 __u32 reserved[16];
1697} __attribute__ ((packed));
1698
1699/* Supports interlaced formats */
1700#define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1701/* Supports progressive formats */
1702#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1703/* Supports CVT/GTF reduced blanking */
1704#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1705/* Supports custom formats */
1706#define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1707
1708/** struct v4l2_dv_timings_cap - DV timings capabilities
1709 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1710 * @pad: the pad number for which to query capabilities (used with
1711 * v4l-subdev nodes only)
1712 * @bt: the BT656/1120 timings capabilities
1713 */
1714struct v4l2_dv_timings_cap {
1715 __u32 type;
1716 __u32 pad;
1717 __u32 reserved[2];
1718 union {
1719 struct v4l2_bt_timings_cap bt;
1720 __u32 raw_data[32];
1721 };
1722};
1723
1724
1725/*
1726 * V I D E O I N P U T S
1727 */
1728struct v4l2_input {
1729 __u32 index; /* Which input */
1730 __u8 name[32]; /* Label */
1731 __u32 type; /* Type of input */
1732 __u32 audioset; /* Associated audios (bitfield) */
1733 __u32 tuner; /* Tuner index */
1734 v4l2_std_id std;
1735 __u32 status;
1736 __u32 capabilities;
1737 __u32 reserved[3];
1738};
1739
1740/* Values for the 'type' field */
1741#define V4L2_INPUT_TYPE_TUNER 1
1742#define V4L2_INPUT_TYPE_CAMERA 2
1743#define V4L2_INPUT_TYPE_TOUCH 3
1744
1745/* field 'status' - general */
1746#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1747#define V4L2_IN_ST_NO_SIGNAL 0x00000002
1748#define V4L2_IN_ST_NO_COLOR 0x00000004
1749
1750/* field 'status' - sensor orientation */
1751/* If sensor is mounted upside down set both bits */
1752#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1753#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1754
1755/* field 'status' - analog */
1756#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1757#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1758#define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1759#define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1760
1761/* field 'status' - digital */
1762#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1763#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1764#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1765
1766/* field 'status' - VCR and set-top box */
1767#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1768#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1769#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1770
1771/* capabilities flags */
1772#define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1773#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1774#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1775#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1776
1777/*
1778 * V I D E O O U T P U T S
1779 */
1780struct v4l2_output {
1781 __u32 index; /* Which output */
1782 __u8 name[32]; /* Label */
1783 __u32 type; /* Type of output */
1784 __u32 audioset; /* Associated audios (bitfield) */
1785 __u32 modulator; /* Associated modulator */
1786 v4l2_std_id std;
1787 __u32 capabilities;
1788 __u32 reserved[3];
1789};
1790/* Values for the 'type' field */
1791#define V4L2_OUTPUT_TYPE_MODULATOR 1
1792#define V4L2_OUTPUT_TYPE_ANALOG 2
1793#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1794
1795/* capabilities flags */
1796#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1797#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1798#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1799#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1800
1801/*
1802 * C O N T R O L S
1803 */
1804struct v4l2_control {
1805 __u32 id;
1806 __s32 value;
1807};
1808
1809struct v4l2_ext_control {
1810 __u32 id;
1811 __u32 size;
1812 __u32 reserved2[1];
1813 union {
1814 __s32 value;
1815 __s64 value64;
1816 char *string;
1817 __u8 *p_u8;
1818 __u16 *p_u16;
1819 __u32 *p_u32;
1820 __s32 *p_s32;
1821 __s64 *p_s64;
1822 struct v4l2_area *p_area;
1823 struct v4l2_rect *p_rect;
1824 struct v4l2_ctrl_h264_sps *p_h264_sps;
1825 struct v4l2_ctrl_h264_pps *p_h264_pps;
1826 struct v4l2_ctrl_h264_scaling_matrix *p_h264_scaling_matrix;
1827 struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights;
1828 struct v4l2_ctrl_h264_slice_params *p_h264_slice_params;
1829 struct v4l2_ctrl_h264_decode_params *p_h264_decode_params;
1830 struct v4l2_ctrl_fwht_params *p_fwht_params;
1831 struct v4l2_ctrl_vp8_frame *p_vp8_frame;
1832 struct v4l2_ctrl_mpeg2_sequence *p_mpeg2_sequence;
1833 struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture;
1834 struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quantisation;
1835 struct v4l2_ctrl_vp9_compressed_hdr *p_vp9_compressed_hdr_probs;
1836 struct v4l2_ctrl_vp9_frame *p_vp9_frame;
1837 struct v4l2_ctrl_hevc_sps *p_hevc_sps;
1838 struct v4l2_ctrl_hevc_pps *p_hevc_pps;
1839 struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
1840 struct v4l2_ctrl_hevc_scaling_matrix *p_hevc_scaling_matrix;
1841 struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params;
1842 struct v4l2_ctrl_av1_sequence *p_av1_sequence;
1843 struct v4l2_ctrl_av1_tile_group_entry *p_av1_tile_group_entry;
1844 struct v4l2_ctrl_av1_frame *p_av1_frame;
1845 struct v4l2_ctrl_av1_film_grain *p_av1_film_grain;
1846 struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll_info;
1847 struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering_display;
1848 void *ptr;
1849 } __attribute__ ((packed));
1850} __attribute__ ((packed));
1851
1852struct v4l2_ext_controls {
1853 union {
1854 __u32 ctrl_class;
1855 __u32 which;
1856 };
1857 __u32 count;
1858 __u32 error_idx;
1859 __s32 request_fd;
1860 __u32 reserved[1];
1861 struct v4l2_ext_control *controls;
1862};
1863
1864#define V4L2_CTRL_ID_MASK (0x0fffffff)
1865#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1866#define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1867#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1868#define V4L2_CTRL_MAX_DIMS (4)
1869#define V4L2_CTRL_WHICH_CUR_VAL 0
1870#define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1871#define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1872#define V4L2_CTRL_WHICH_MIN_VAL 0x0f020000
1873#define V4L2_CTRL_WHICH_MAX_VAL 0x0f030000
1874
1875enum v4l2_ctrl_type {
1876 V4L2_CTRL_TYPE_INTEGER = 1,
1877 V4L2_CTRL_TYPE_BOOLEAN = 2,
1878 V4L2_CTRL_TYPE_MENU = 3,
1879 V4L2_CTRL_TYPE_BUTTON = 4,
1880 V4L2_CTRL_TYPE_INTEGER64 = 5,
1881 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1882 V4L2_CTRL_TYPE_STRING = 7,
1883 V4L2_CTRL_TYPE_BITMASK = 8,
1884 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1885
1886 /* Compound types are >= 0x0100 */
1887 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1888 V4L2_CTRL_TYPE_U8 = 0x0100,
1889 V4L2_CTRL_TYPE_U16 = 0x0101,
1890 V4L2_CTRL_TYPE_U32 = 0x0102,
1891 V4L2_CTRL_TYPE_AREA = 0x0106,
1892 V4L2_CTRL_TYPE_RECT = 0x0107,
1893
1894 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
1895 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
1896
1897 V4L2_CTRL_TYPE_H264_SPS = 0x0200,
1898 V4L2_CTRL_TYPE_H264_PPS = 0x0201,
1899 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
1900 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
1901 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
1902 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
1903
1904 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
1905
1906 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
1907
1908 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
1909 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
1910 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
1911
1912 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260,
1913 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261,
1914
1915 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270,
1916 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271,
1917 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272,
1918 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273,
1919 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274,
1920 V4L2_CTRL_TYPE_HEVC_EXT_SPS_ST_RPS = 0x0275,
1921 V4L2_CTRL_TYPE_HEVC_EXT_SPS_LT_RPS = 0x0276,
1922
1923 V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280,
1924 V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281,
1925 V4L2_CTRL_TYPE_AV1_FRAME = 0x282,
1926 V4L2_CTRL_TYPE_AV1_FILM_GRAIN = 0x283,
1927};
1928
1929/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1930struct v4l2_queryctrl {
1931 __u32 id;
1932 __u32 type; /* enum v4l2_ctrl_type */
1933 __u8 name[32]; /* Whatever */
1934 __s32 minimum; /* Note signedness */
1935 __s32 maximum;
1936 __s32 step;
1937 __s32 default_value;
1938 __u32 flags;
1939 __u32 reserved[2];
1940};
1941
1942/* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1943struct v4l2_query_ext_ctrl {
1944 __u32 id;
1945 __u32 type;
1946 char name[32];
1947 __s64 minimum;
1948 __s64 maximum;
1949 __u64 step;
1950 __s64 default_value;
1951 __u32 flags;
1952 __u32 elem_size;
1953 __u32 elems;
1954 __u32 nr_of_dims;
1955 __u32 dims[V4L2_CTRL_MAX_DIMS];
1956 __u32 reserved[32];
1957};
1958
1959/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1960struct v4l2_querymenu {
1961 __u32 id;
1962 __u32 index;
1963 union {
1964 __u8 name[32]; /* Whatever */
1965 __s64 value;
1966 };
1967 __u32 reserved;
1968} __attribute__ ((packed));
1969
1970/* Control flags */
1971#define V4L2_CTRL_FLAG_DISABLED 0x0001
1972#define V4L2_CTRL_FLAG_GRABBED 0x0002
1973#define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1974#define V4L2_CTRL_FLAG_UPDATE 0x0008
1975#define V4L2_CTRL_FLAG_INACTIVE 0x0010
1976#define V4L2_CTRL_FLAG_SLIDER 0x0020
1977#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1978#define V4L2_CTRL_FLAG_VOLATILE 0x0080
1979#define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1980#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1981#define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1982#define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800
1983#define V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX 0x1000
1984
1985/* Query flags, to be ORed with the control ID */
1986#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1987#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1988
1989/* User-class control IDs defined by V4L2 */
1990#define V4L2_CID_MAX_CTRLS 1024
1991/* IDs reserved for driver specific controls */
1992#define V4L2_CID_PRIVATE_BASE 0x08000000
1993
1994
1995/*
1996 * T U N I N G
1997 */
1998struct v4l2_tuner {
1999 __u32 index;
2000 __u8 name[32];
2001 __u32 type; /* enum v4l2_tuner_type */
2002 __u32 capability;
2003 __u32 rangelow;
2004 __u32 rangehigh;
2005 __u32 rxsubchans;
2006 __u32 audmode;
2007 __s32 signal;
2008 __s32 afc;
2009 __u32 reserved[4];
2010};
2011
2012struct v4l2_modulator {
2013 __u32 index;
2014 __u8 name[32];
2015 __u32 capability;
2016 __u32 rangelow;
2017 __u32 rangehigh;
2018 __u32 txsubchans;
2019 __u32 type; /* enum v4l2_tuner_type */
2020 __u32 reserved[3];
2021};
2022
2023/* Flags for the 'capability' field */
2024#define V4L2_TUNER_CAP_LOW 0x0001
2025#define V4L2_TUNER_CAP_NORM 0x0002
2026#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
2027#define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
2028#define V4L2_TUNER_CAP_STEREO 0x0010
2029#define V4L2_TUNER_CAP_LANG2 0x0020
2030#define V4L2_TUNER_CAP_SAP 0x0020
2031#define V4L2_TUNER_CAP_LANG1 0x0040
2032#define V4L2_TUNER_CAP_RDS 0x0080
2033#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
2034#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
2035#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
2036#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
2037#define V4L2_TUNER_CAP_1HZ 0x1000
2038
2039/* Flags for the 'rxsubchans' field */
2040#define V4L2_TUNER_SUB_MONO 0x0001
2041#define V4L2_TUNER_SUB_STEREO 0x0002
2042#define V4L2_TUNER_SUB_LANG2 0x0004
2043#define V4L2_TUNER_SUB_SAP 0x0004
2044#define V4L2_TUNER_SUB_LANG1 0x0008
2045#define V4L2_TUNER_SUB_RDS 0x0010
2046
2047/* Values for the 'audmode' field */
2048#define V4L2_TUNER_MODE_MONO 0x0000
2049#define V4L2_TUNER_MODE_STEREO 0x0001
2050#define V4L2_TUNER_MODE_LANG2 0x0002
2051#define V4L2_TUNER_MODE_SAP 0x0002
2052#define V4L2_TUNER_MODE_LANG1 0x0003
2053#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
2054
2055struct v4l2_frequency {
2056 __u32 tuner;
2057 __u32 type; /* enum v4l2_tuner_type */
2058 __u32 frequency;
2059 __u32 reserved[8];
2060};
2061
2062#define V4L2_BAND_MODULATION_VSB (1 << 1)
2063#define V4L2_BAND_MODULATION_FM (1 << 2)
2064#define V4L2_BAND_MODULATION_AM (1 << 3)
2065
2066struct v4l2_frequency_band {
2067 __u32 tuner;
2068 __u32 type; /* enum v4l2_tuner_type */
2069 __u32 index;
2070 __u32 capability;
2071 __u32 rangelow;
2072 __u32 rangehigh;
2073 __u32 modulation;
2074 __u32 reserved[9];
2075};
2076
2077struct v4l2_hw_freq_seek {
2078 __u32 tuner;
2079 __u32 type; /* enum v4l2_tuner_type */
2080 __u32 seek_upward;
2081 __u32 wrap_around;
2082 __u32 spacing;
2083 __u32 rangelow;
2084 __u32 rangehigh;
2085 __u32 reserved[5];
2086};
2087
2088/*
2089 * R D S
2090 */
2091
2092struct v4l2_rds_data {
2093 __u8 lsb;
2094 __u8 msb;
2095 __u8 block;
2096} __attribute__ ((packed));
2097
2098#define V4L2_RDS_BLOCK_MSK 0x7
2099#define V4L2_RDS_BLOCK_A 0
2100#define V4L2_RDS_BLOCK_B 1
2101#define V4L2_RDS_BLOCK_C 2
2102#define V4L2_RDS_BLOCK_D 3
2103#define V4L2_RDS_BLOCK_C_ALT 4
2104#define V4L2_RDS_BLOCK_INVALID 7
2105
2106#define V4L2_RDS_BLOCK_CORRECTED 0x40
2107#define V4L2_RDS_BLOCK_ERROR 0x80
2108
2109/*
2110 * A U D I O
2111 */
2112struct v4l2_audio {
2113 __u32 index;
2114 __u8 name[32];
2115 __u32 capability;
2116 __u32 mode;
2117 __u32 reserved[2];
2118};
2119
2120/* Flags for the 'capability' field */
2121#define V4L2_AUDCAP_STEREO 0x00001
2122#define V4L2_AUDCAP_AVL 0x00002
2123
2124/* Flags for the 'mode' field */
2125#define V4L2_AUDMODE_AVL 0x00001
2126
2127struct v4l2_audioout {
2128 __u32 index;
2129 __u8 name[32];
2130 __u32 capability;
2131 __u32 mode;
2132 __u32 reserved[2];
2133};
2134
2135/*
2136 * M P E G S E R V I C E S
2137 */
2138#if 1
2139#define V4L2_ENC_IDX_FRAME_I (0)
2140#define V4L2_ENC_IDX_FRAME_P (1)
2141#define V4L2_ENC_IDX_FRAME_B (2)
2142#define V4L2_ENC_IDX_FRAME_MASK (0xf)
2143
2144struct v4l2_enc_idx_entry {
2145 __u64 offset;
2146 __u64 pts;
2147 __u32 length;
2148 __u32 flags;
2149 __u32 reserved[2];
2150};
2151
2152#define V4L2_ENC_IDX_ENTRIES (64)
2153struct v4l2_enc_idx {
2154 __u32 entries;
2155 __u32 entries_cap;
2156 __u32 reserved[4];
2157 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2158};
2159
2160
2161#define V4L2_ENC_CMD_START (0)
2162#define V4L2_ENC_CMD_STOP (1)
2163#define V4L2_ENC_CMD_PAUSE (2)
2164#define V4L2_ENC_CMD_RESUME (3)
2165
2166/* Flags for V4L2_ENC_CMD_STOP */
2167#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
2168
2169struct v4l2_encoder_cmd {
2170 __u32 cmd;
2171 __u32 flags;
2172 union {
2173 struct {
2174 __u32 data[8];
2175 } raw;
2176 };
2177};
2178
2179/* Decoder commands */
2180#define V4L2_DEC_CMD_START (0)
2181#define V4L2_DEC_CMD_STOP (1)
2182#define V4L2_DEC_CMD_PAUSE (2)
2183#define V4L2_DEC_CMD_RESUME (3)
2184#define V4L2_DEC_CMD_FLUSH (4)
2185
2186/* Flags for V4L2_DEC_CMD_START */
2187#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
2188
2189/* Flags for V4L2_DEC_CMD_PAUSE */
2190#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
2191
2192/* Flags for V4L2_DEC_CMD_STOP */
2193#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2194#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2195
2196/* Play format requirements (returned by the driver): */
2197
2198/* The decoder has no special format requirements */
2199#define V4L2_DEC_START_FMT_NONE (0)
2200/* The decoder requires full GOPs */
2201#define V4L2_DEC_START_FMT_GOP (1)
2202
2203/* The structure must be zeroed before use by the application
2204 This ensures it can be extended safely in the future. */
2205struct v4l2_decoder_cmd {
2206 __u32 cmd;
2207 __u32 flags;
2208 union {
2209 struct {
2210 __u64 pts;
2211 } stop;
2212
2213 struct {
2214 /* 0 or 1000 specifies normal speed,
2215 1 specifies forward single stepping,
2216 -1 specifies backward single stepping,
2217 >1: playback at speed/1000 of the normal speed,
2218 <-1: reverse playback at (-speed/1000) of the normal speed. */
2219 __s32 speed;
2220 __u32 format;
2221 } start;
2222
2223 struct {
2224 __u32 data[16];
2225 } raw;
2226 };
2227};
2228#endif
2229
2230
2231/*
2232 * D A T A S E R V I C E S ( V B I )
2233 *
2234 * Data services API by Michael Schimek
2235 */
2236
2237/* Raw VBI */
2238struct v4l2_vbi_format {
2239 __u32 sampling_rate; /* in 1 Hz */
2240 __u32 offset;
2241 __u32 samples_per_line;
2242 __u32 sample_format; /* V4L2_PIX_FMT_* */
2243 __s32 start[2];
2244 __u32 count[2];
2245 __u32 flags; /* V4L2_VBI_* */
2246 __u32 reserved[2]; /* must be zero */
2247};
2248
2249/* VBI flags */
2250#define V4L2_VBI_UNSYNC (1 << 0)
2251#define V4L2_VBI_INTERLACED (1 << 1)
2252
2253/* ITU-R start lines for each field */
2254#define V4L2_VBI_ITU_525_F1_START (1)
2255#define V4L2_VBI_ITU_525_F2_START (264)
2256#define V4L2_VBI_ITU_625_F1_START (1)
2257#define V4L2_VBI_ITU_625_F2_START (314)
2258
2259/* Sliced VBI
2260 *
2261 * This implements is a proposal V4L2 API to allow SLICED VBI
2262 * required for some hardware encoders. It should change without
2263 * notice in the definitive implementation.
2264 */
2265
2266struct v4l2_sliced_vbi_format {
2267 __u16 service_set;
2268 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2269 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2270 (equals frame lines 313-336 for 625 line video
2271 standards, 263-286 for 525 line standards) */
2272 __u16 service_lines[2][24];
2273 __u32 io_size;
2274 __u32 reserved[2]; /* must be zero */
2275};
2276
2277/* Teletext World System Teletext
2278 (WST), defined on ITU-R BT.653-2 */
2279#define V4L2_SLICED_TELETEXT_B (0x0001)
2280/* Video Program System, defined on ETS 300 231*/
2281#define V4L2_SLICED_VPS (0x0400)
2282/* Closed Caption, defined on EIA-608 */
2283#define V4L2_SLICED_CAPTION_525 (0x1000)
2284/* Wide Screen System, defined on ITU-R BT1119.1 */
2285#define V4L2_SLICED_WSS_625 (0x4000)
2286
2287#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2288#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2289
2290struct v4l2_sliced_vbi_cap {
2291 __u16 service_set;
2292 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2293 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2294 (equals frame lines 313-336 for 625 line video
2295 standards, 263-286 for 525 line standards) */
2296 __u16 service_lines[2][24];
2297 __u32 type; /* enum v4l2_buf_type */
2298 __u32 reserved[3]; /* must be 0 */
2299};
2300
2301struct v4l2_sliced_vbi_data {
2302 __u32 id;
2303 __u32 field; /* 0: first field, 1: second field */
2304 __u32 line; /* 1-23 */
2305 __u32 reserved; /* must be 0 */
2306 __u8 data[48];
2307};
2308
2309/*
2310 * Sliced VBI data inserted into MPEG Streams
2311 */
2312
2313/*
2314 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2315 *
2316 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2317 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2318 * data
2319 *
2320 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2321 * definitions are not included here. See the MPEG-2 specifications for details
2322 * on these headers.
2323 */
2324
2325/* Line type IDs */
2326#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2327#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2328#define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2329#define V4L2_MPEG_VBI_IVTV_VPS (7)
2330
2331struct v4l2_mpeg_vbi_itv0_line {
2332 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2333 __u8 data[42]; /* Sliced VBI data for the line */
2334} __attribute__ ((packed));
2335
2336struct v4l2_mpeg_vbi_itv0 {
2337 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2338 struct v4l2_mpeg_vbi_itv0_line line[35];
2339} __attribute__ ((packed));
2340
2341struct v4l2_mpeg_vbi_ITV0 {
2342 struct v4l2_mpeg_vbi_itv0_line line[36];
2343} __attribute__ ((packed));
2344
2345#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2346#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2347
2348struct v4l2_mpeg_vbi_fmt_ivtv {
2349 __u8 magic[4];
2350 union {
2351 struct v4l2_mpeg_vbi_itv0 itv0;
2352 struct v4l2_mpeg_vbi_ITV0 ITV0;
2353 };
2354} __attribute__ ((packed));
2355
2356/*
2357 * A G G R E G A T E S T R U C T U R E S
2358 */
2359
2360/**
2361 * struct v4l2_plane_pix_format - additional, per-plane format definition
2362 * @sizeimage: maximum size in bytes required for data, for which
2363 * this plane will be used
2364 * @bytesperline: distance in bytes between the leftmost pixels in two
2365 * adjacent lines
2366 * @reserved: drivers and applications must zero this array
2367 */
2368struct v4l2_plane_pix_format {
2369 __u32 sizeimage;
2370 __u32 bytesperline;
2371 __u16 reserved[6];
2372} __attribute__ ((packed));
2373
2374/**
2375 * struct v4l2_pix_format_mplane - multiplanar format definition
2376 * @width: image width in pixels
2377 * @height: image height in pixels
2378 * @pixelformat: little endian four character code (fourcc)
2379 * @field: enum v4l2_field; field order (for interlaced video)
2380 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2381 * @plane_fmt: per-plane information
2382 * @num_planes: number of planes for this format
2383 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2384 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2385 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding
2386 * @quantization: enum v4l2_quantization, colorspace quantization
2387 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2388 * @reserved: drivers and applications must zero this array
2389 */
2390struct v4l2_pix_format_mplane {
2391 __u32 width;
2392 __u32 height;
2393 __u32 pixelformat;
2394 __u32 field;
2395 __u32 colorspace;
2396
2397 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2398 __u8 num_planes;
2399 __u8 flags;
2400 union {
2401 __u8 ycbcr_enc;
2402 __u8 hsv_enc;
2403 };
2404 __u8 quantization;
2405 __u8 xfer_func;
2406 __u8 reserved[7];
2407} __attribute__ ((packed));
2408
2409/**
2410 * struct v4l2_sdr_format - SDR format definition
2411 * @pixelformat: little endian four character code (fourcc)
2412 * @buffersize: maximum size in bytes required for data
2413 * @reserved: drivers and applications must zero this array
2414 */
2415struct v4l2_sdr_format {
2416 __u32 pixelformat;
2417 __u32 buffersize;
2418 __u8 reserved[24];
2419} __attribute__ ((packed));
2420
2421/**
2422 * struct v4l2_meta_format - metadata format definition
2423 * @dataformat: little endian four character code (fourcc)
2424 * @buffersize: maximum size in bytes required for data
2425 * @width: number of data units of data per line (valid for line
2426 * based formats only, see format documentation)
2427 * @height: number of lines of data per buffer (valid for line based
2428 * formats only)
2429 * @bytesperline: offset between the beginnings of two adjacent lines in
2430 * bytes (valid for line based formats only)
2431 */
2432struct v4l2_meta_format {
2433 __u32 dataformat;
2434 __u32 buffersize;
2435 __u32 width;
2436 __u32 height;
2437 __u32 bytesperline;
2438} __attribute__ ((packed));
2439
2440/**
2441 * struct v4l2_format - stream data format
2442 * @type: enum v4l2_buf_type; type of the data stream
2443 * @fmt.pix: definition of an image format
2444 * @fmt.pix_mp: definition of a multiplanar image format
2445 * @fmt.win: definition of an overlaid image
2446 * @fmt.vbi: raw VBI capture or output parameters
2447 * @fmt.sliced: sliced VBI capture or output parameters
2448 * @fmt.raw_data: placeholder for future extensions and custom formats
2449 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr,
2450 * @meta and @raw_data
2451 */
2452struct v4l2_format {
2453 __u32 type;
2454 union {
2455 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2456 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2457 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2458 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2459 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2460 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2461 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2462 __u8 raw_data[200]; /* user-defined */
2463 } fmt;
2464};
2465
2466/* Stream type-dependent parameters
2467 */
2468struct v4l2_streamparm {
2469 __u32 type; /* enum v4l2_buf_type */
2470 union {
2471 struct v4l2_captureparm capture;
2472 struct v4l2_outputparm output;
2473 __u8 raw_data[200]; /* user-defined */
2474 } parm;
2475};
2476
2477/*
2478 * E V E N T S
2479 */
2480
2481#define V4L2_EVENT_ALL 0
2482#define V4L2_EVENT_VSYNC 1
2483#define V4L2_EVENT_EOS 2
2484#define V4L2_EVENT_CTRL 3
2485#define V4L2_EVENT_FRAME_SYNC 4
2486#define V4L2_EVENT_SOURCE_CHANGE 5
2487#define V4L2_EVENT_MOTION_DET 6
2488#define V4L2_EVENT_PRIVATE_START 0x08000000
2489
2490/* Payload for V4L2_EVENT_VSYNC */
2491struct v4l2_event_vsync {
2492 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2493 __u8 field;
2494} __attribute__ ((packed));
2495
2496/* Payload for V4L2_EVENT_CTRL */
2497#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2498#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2499#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2500#define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3)
2501
2502struct v4l2_event_ctrl {
2503 __u32 changes;
2504 __u32 type;
2505 union {
2506 __s32 value;
2507 __s64 value64;
2508 };
2509 __u32 flags;
2510 __s32 minimum;
2511 __s32 maximum;
2512 __s32 step;
2513 __s32 default_value;
2514};
2515
2516struct v4l2_event_frame_sync {
2517 __u32 frame_sequence;
2518};
2519
2520#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2521
2522struct v4l2_event_src_change {
2523 __u32 changes;
2524};
2525
2526#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2527
2528/**
2529 * struct v4l2_event_motion_det - motion detection event
2530 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2531 * frame_sequence field is valid.
2532 * @frame_sequence: the frame sequence number associated with this event.
2533 * @region_mask: which regions detected motion.
2534 */
2535struct v4l2_event_motion_det {
2536 __u32 flags;
2537 __u32 frame_sequence;
2538 __u32 region_mask;
2539};
2540
2541struct v4l2_event {
2542 __u32 type;
2543 union {
2544 struct v4l2_event_vsync vsync;
2545 struct v4l2_event_ctrl ctrl;
2546 struct v4l2_event_frame_sync frame_sync;
2547 struct v4l2_event_src_change src_change;
2548 struct v4l2_event_motion_det motion_det;
2549 __u8 data[64];
2550 } u;
2551 __u32 pending;
2552 __u32 sequence;
2553 struct timespec timestamp;
2554 __u32 id;
2555 __u32 reserved[8];
2556};
2557
2558#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2559#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2560
2561struct v4l2_event_subscription {
2562 __u32 type;
2563 __u32 id;
2564 __u32 flags;
2565 __u32 reserved[5];
2566};
2567
2568/*
2569 * A D V A N C E D D E B U G G I N G
2570 *
2571 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2572 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2573 */
2574
2575/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2576
2577#define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2578#define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2579
2580/* The following four defines are no longer in use */
2581#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2582#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2583#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2584#define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2585
2586struct v4l2_dbg_match {
2587 __u32 type; /* Match type */
2588 union { /* Match this chip, meaning determined by type */
2589 __u32 addr;
2590 char name[32];
2591 };
2592} __attribute__ ((packed));
2593
2594struct v4l2_dbg_register {
2595 struct v4l2_dbg_match match;
2596 __u32 size; /* register size in bytes */
2597 __u64 reg;
2598 __u64 val;
2599} __attribute__ ((packed));
2600
2601#define V4L2_CHIP_FL_READABLE (1 << 0)
2602#define V4L2_CHIP_FL_WRITABLE (1 << 1)
2603
2604/* VIDIOC_DBG_G_CHIP_INFO */
2605struct v4l2_dbg_chip_info {
2606 struct v4l2_dbg_match match;
2607 char name[32];
2608 __u32 flags;
2609 __u32 reserved[32];
2610} __attribute__ ((packed));
2611
2612/**
2613 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2614 * @index: on return, index of the first created buffer
2615 * @count: entry: number of requested buffers,
2616 * return: number of created buffers
2617 * @memory: enum v4l2_memory; buffer memory type
2618 * @format: frame format, for which buffers are requested
2619 * @capabilities: capabilities of this buffer type.
2620 * @flags: additional buffer management attributes (ignored unless the
2621 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2622 * and configured for MMAP streaming I/O).
2623 * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
2624 * this field indicate the maximum possible number of buffers
2625 * for this queue.
2626 * @reserved: future extensions
2627 */
2628struct v4l2_create_buffers {
2629 __u32 index;
2630 __u32 count;
2631 __u32 memory;
2632 struct v4l2_format format;
2633 __u32 capabilities;
2634 __u32 flags;
2635 __u32 max_num_buffers;
2636 __u32 reserved[5];
2637};
2638
2639/**
2640 * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument
2641 * @index: the first buffer to be removed
2642 * @count: number of buffers to removed
2643 * @type: enum v4l2_buf_type
2644 * @reserved: future extensions
2645 */
2646struct v4l2_remove_buffers {
2647 __u32 index;
2648 __u32 count;
2649 __u32 type;
2650 __u32 reserved[13];
2651};
2652
2653/*
2654 * 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
2655 *
2656 */
2657#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2658#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2659#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2660#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2661#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2662#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2663#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2664#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2665#define VIDIOC_OVERLAY _IOW('V', 14, int)
2666#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2667#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2668#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2669#define VIDIOC_STREAMON _IOW('V', 18, int)
2670#define VIDIOC_STREAMOFF _IOW('V', 19, int)
2671#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2672#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2673#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2674#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2675#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2676#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2677#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2678#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2679#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2680#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2681#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2682#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2683#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2684#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2685#define VIDIOC_G_INPUT _IOR('V', 38, int)
2686#define VIDIOC_S_INPUT _IOWR('V', 39, int)
2687#define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2688#define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2689#define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2690#define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2691#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2692#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2693#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2694#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2695#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2696#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2697#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2698#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2699#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2700#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2701#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2702#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2703#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2704#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2705#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2706#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2707#define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2708#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2709#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2710#define VIDIOC_LOG_STATUS _IO('V', 70)
2711#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2712#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2713#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2714#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2715#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2716#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2717#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2718#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2719
2720/*
2721 * Experimental, meant for debugging, testing and internal use.
2722 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2723 * You must be root to use these ioctls. Never use these in applications!
2724 */
2725#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2726#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2727
2728#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2729#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2730#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2731#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2732#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2733#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2734#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2735#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2736#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2737#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2738#define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2739#define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2740#define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2741#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2742#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2743#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2744
2745/*
2746 * Experimental, meant for debugging, testing and internal use.
2747 * Never use this in applications!
2748 */
2749#define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2750
2751#define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2752#define VIDIOC_REMOVE_BUFS _IOWR('V', 104, struct v4l2_remove_buffers)
2753
2754
2755/* Reminder: when adding new ioctls please add support for them to
2756 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2757
2758#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2759
2760/* Deprecated definitions kept for backwards compatibility */
2761#define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2762#define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2763/*
2764 * This capability was never implemented, anyone using this cap should drop it
2765 * from their code.
2766 */
2767#define V4L2_CAP_ASYNCIO 0x02000000
2768
2769#endif /* __LINUX_VIDEODEV2_H */