]> git.proxmox.com Git - mirror_ubuntu-disco-kernel.git/blob - include/uapi/linux/videodev2.h
projects / mirror_ubuntu-disco-kernel.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge tag 'media/v4.20-7' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[mirror_ubuntu-disco-kernel.git] / include / uapi / linux / videodev2.h
1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
2 /*
3 * Video for Linux Two header file
4 *
5 * Copyright (C) 1999-2012 the contributors
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * Alternatively you can redistribute this file under the terms of the
18 * BSD license as stated below:
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in
27 * the documentation and/or other materials provided with the
28 * distribution.
29 * 3. The names of its contributors may not be used to endorse or promote
30 * products derived from this software without specific prior written
31 * permission.
32 *
33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44 *
45 * Header file for v4l or V4L2 drivers and applications
46 * with public API.
47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so
48 * no #if __KERNEL tests are allowed here
49 *
50 * See https://linuxtv.org for more info
51 *
52 * Author: Bill Dirks <bill@thedirks.org>
53 * Justin Schoeman
54 * Hans Verkuil <hverkuil@xs4all.nl>
55 * et al.
56 */
57 #ifndef _UAPI__LINUX_VIDEODEV2_H
58 #define _UAPI__LINUX_VIDEODEV2_H
59
60 #ifndef __KERNEL__
61 #include <sys/time.h>
62 #endif
63 #include <linux/compiler.h>
64 #include <linux/ioctl.h>
65 #include <linux/types.h>
66 #include <linux/v4l2-common.h>
67 #include <linux/v4l2-controls.h>
68
69 /*
70 * Common stuff for both V4L1 and V4L2
71 * Moved from videodev.h
72 */
73 #define VIDEO_MAX_FRAME 32
74 #define VIDEO_MAX_PLANES 8
75
76 /*
77 * M I S C E L L A N E O U S
78 */
79
80 /* Four-character-code (FOURCC) */
81 #define v4l2_fourcc(a, b, c, d)\
82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
83 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
84
85 /*
86 * E N U M S
87 */
88 enum v4l2_field {
89 V4L2_FIELD_ANY = 0, /* driver can choose from none,
90 top, bottom, interlaced
91 depending on whatever it thinks
92 is approximate ... */
93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
94 V4L2_FIELD_TOP = 2, /* top field only */
95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
98 buffer, top-bottom order */
99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
101 separate buffers */
102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
103 first and the top field is
104 transmitted first */
105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
106 first and the bottom field is
107 transmitted first */
108 };
109 #define V4L2_FIELD_HAS_TOP(field) \
110 ((field) == V4L2_FIELD_TOP ||\
111 (field) == V4L2_FIELD_INTERLACED ||\
112 (field) == V4L2_FIELD_INTERLACED_TB ||\
113 (field) == V4L2_FIELD_INTERLACED_BT ||\
114 (field) == V4L2_FIELD_SEQ_TB ||\
115 (field) == V4L2_FIELD_SEQ_BT)
116 #define V4L2_FIELD_HAS_BOTTOM(field) \
117 ((field) == V4L2_FIELD_BOTTOM ||\
118 (field) == V4L2_FIELD_INTERLACED ||\
119 (field) == V4L2_FIELD_INTERLACED_TB ||\
120 (field) == V4L2_FIELD_INTERLACED_BT ||\
121 (field) == V4L2_FIELD_SEQ_TB ||\
122 (field) == V4L2_FIELD_SEQ_BT)
123 #define V4L2_FIELD_HAS_BOTH(field) \
124 ((field) == V4L2_FIELD_INTERLACED ||\
125 (field) == V4L2_FIELD_INTERLACED_TB ||\
126 (field) == V4L2_FIELD_INTERLACED_BT ||\
127 (field) == V4L2_FIELD_SEQ_TB ||\
128 (field) == V4L2_FIELD_SEQ_BT)
129 #define V4L2_FIELD_HAS_T_OR_B(field) \
130 ((field) == V4L2_FIELD_BOTTOM ||\
131 (field) == V4L2_FIELD_TOP ||\
132 (field) == V4L2_FIELD_ALTERNATE)
133
134 enum v4l2_buf_type {
135 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
136 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
137 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
138 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
139 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
140 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
141 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
142 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
143 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
144 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
145 V4L2_BUF_TYPE_SDR_CAPTURE = 11,
146 V4L2_BUF_TYPE_SDR_OUTPUT = 12,
147 V4L2_BUF_TYPE_META_CAPTURE = 13,
148 V4L2_BUF_TYPE_META_OUTPUT = 14,
149 /* Deprecated, do not use */
150 V4L2_BUF_TYPE_PRIVATE = 0x80,
151 };
152
153 #define V4L2_TYPE_IS_MULTIPLANAR(type) \
154 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
155 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
156
157 #define V4L2_TYPE_IS_OUTPUT(type) \
158 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
159 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
160 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
161 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
162 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
163 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
164 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
165
166 enum v4l2_tuner_type {
167 V4L2_TUNER_RADIO = 1,
168 V4L2_TUNER_ANALOG_TV = 2,
169 V4L2_TUNER_DIGITAL_TV = 3,
170 V4L2_TUNER_SDR = 4,
171 V4L2_TUNER_RF = 5,
172 };
173
174 /* Deprecated, do not use */
175 #define V4L2_TUNER_ADC V4L2_TUNER_SDR
176
177 enum v4l2_memory {
178 V4L2_MEMORY_MMAP = 1,
179 V4L2_MEMORY_USERPTR = 2,
180 V4L2_MEMORY_OVERLAY = 3,
181 V4L2_MEMORY_DMABUF = 4,
182 };
183
184 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
185 enum v4l2_colorspace {
186 /*
187 * Default colorspace, i.e. let the driver figure it out.
188 * Can only be used with video capture.
189 */
190 V4L2_COLORSPACE_DEFAULT = 0,
191
192 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
193 V4L2_COLORSPACE_SMPTE170M = 1,
194
195 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
196 V4L2_COLORSPACE_SMPTE240M = 2,
197
198 /* Rec.709: used for HDTV */
199 V4L2_COLORSPACE_REC709 = 3,
200
201 /*
202 * Deprecated, do not use. No driver will ever return this. This was
203 * based on a misunderstanding of the bt878 datasheet.
204 */
205 V4L2_COLORSPACE_BT878 = 4,
206
207 /*
208 * NTSC 1953 colorspace. This only makes sense when dealing with
209 * really, really old NTSC recordings. Superseded by SMPTE 170M.
210 */
211 V4L2_COLORSPACE_470_SYSTEM_M = 5,
212
213 /*
214 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
215 * dealing with really old PAL/SECAM recordings. Superseded by
216 * SMPTE 170M.
217 */
218 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
219
220 /*
221 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
222 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
223 */
224 V4L2_COLORSPACE_JPEG = 7,
225
226 /* For RGB colorspaces such as produces by most webcams. */
227 V4L2_COLORSPACE_SRGB = 8,
228
229 /* opRGB colorspace */
230 V4L2_COLORSPACE_OPRGB = 9,
231
232 /* BT.2020 colorspace, used for UHDTV. */
233 V4L2_COLORSPACE_BT2020 = 10,
234
235 /* Raw colorspace: for RAW unprocessed images */
236 V4L2_COLORSPACE_RAW = 11,
237
238 /* DCI-P3 colorspace, used by cinema projectors */
239 V4L2_COLORSPACE_DCI_P3 = 12,
240 };
241
242 /*
243 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
244 * This depends on whether this is a SDTV image (use SMPTE 170M), an
245 * HDTV image (use Rec. 709), or something else (use sRGB).
246 */
247 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
248 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
249 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
250
251 enum v4l2_xfer_func {
252 /*
253 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
254 * for the various colorspaces:
255 *
256 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
257 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
258 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
259 *
260 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
261 *
262 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
263 *
264 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
265 *
266 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
267 *
268 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
269 */
270 V4L2_XFER_FUNC_DEFAULT = 0,
271 V4L2_XFER_FUNC_709 = 1,
272 V4L2_XFER_FUNC_SRGB = 2,
273 V4L2_XFER_FUNC_OPRGB = 3,
274 V4L2_XFER_FUNC_SMPTE240M = 4,
275 V4L2_XFER_FUNC_NONE = 5,
276 V4L2_XFER_FUNC_DCI_P3 = 6,
277 V4L2_XFER_FUNC_SMPTE2084 = 7,
278 };
279
280 /*
281 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
282 * This depends on the colorspace.
283 */
284 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
285 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
286 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
287 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
288 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
289 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
290 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
291
292 enum v4l2_ycbcr_encoding {
293 /*
294 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
295 * various colorspaces:
296 *
297 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
298 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
299 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
300 *
301 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
302 *
303 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
304 *
305 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
306 */
307 V4L2_YCBCR_ENC_DEFAULT = 0,
308
309 /* ITU-R 601 -- SDTV */
310 V4L2_YCBCR_ENC_601 = 1,
311
312 /* Rec. 709 -- HDTV */
313 V4L2_YCBCR_ENC_709 = 2,
314
315 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
316 V4L2_YCBCR_ENC_XV601 = 3,
317
318 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
319 V4L2_YCBCR_ENC_XV709 = 4,
320
321 #ifndef __KERNEL__
322 /*
323 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
324 * originally due to a misunderstanding of the sYCC standard. It should
325 * not be used, instead use V4L2_YCBCR_ENC_601.
326 */
327 V4L2_YCBCR_ENC_SYCC = 5,
328 #endif
329
330 /* BT.2020 Non-constant Luminance Y'CbCr */
331 V4L2_YCBCR_ENC_BT2020 = 6,
332
333 /* BT.2020 Constant Luminance Y'CbcCrc */
334 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
335
336 /* SMPTE 240M -- Obsolete HDTV */
337 V4L2_YCBCR_ENC_SMPTE240M = 8,
338 };
339
340 /*
341 * enum v4l2_hsv_encoding values should not collide with the ones from
342 * enum v4l2_ycbcr_encoding.
343 */
344 enum v4l2_hsv_encoding {
345
346 /* Hue mapped to 0 - 179 */
347 V4L2_HSV_ENC_180 = 128,
348
349 /* Hue mapped to 0-255 */
350 V4L2_HSV_ENC_256 = 129,
351 };
352
353 /*
354 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
355 * This depends on the colorspace.
356 */
357 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
358 (((colsp) == V4L2_COLORSPACE_REC709 || \
359 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
360 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
361 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
362 V4L2_YCBCR_ENC_601)))
363
364 enum v4l2_quantization {
365 /*
366 * The default for R'G'B' quantization is always full range, except
367 * for the BT2020 colorspace. For Y'CbCr the quantization is always
368 * limited range, except for COLORSPACE_JPEG: this is full range.
369 */
370 V4L2_QUANTIZATION_DEFAULT = 0,
371 V4L2_QUANTIZATION_FULL_RANGE = 1,
372 V4L2_QUANTIZATION_LIM_RANGE = 2,
373 };
374
375 /*
376 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
377 * This depends on whether the image is RGB or not, the colorspace and the
378 * Y'CbCr encoding.
379 */
380 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
381 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
382 V4L2_QUANTIZATION_LIM_RANGE : \
383 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
384 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
385
386 /*
387 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
388 *
389 * WARNING: Please don't use these deprecated defines in your code, as
390 * there is a chance we have to remove them in the future.
391 */
392 #ifndef __KERNEL__
393 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
394 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
395 #endif
396
397 enum v4l2_priority {
398 V4L2_PRIORITY_UNSET = 0, /* not initialized */
399 V4L2_PRIORITY_BACKGROUND = 1,
400 V4L2_PRIORITY_INTERACTIVE = 2,
401 V4L2_PRIORITY_RECORD = 3,
402 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
403 };
404
405 struct v4l2_rect {
406 __s32 left;
407 __s32 top;
408 __u32 width;
409 __u32 height;
410 };
411
412 struct v4l2_fract {
413 __u32 numerator;
414 __u32 denominator;
415 };
416
417 /**
418 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
419 *
420 * @driver: name of the driver module (e.g. "bttv")
421 * @card: name of the card (e.g. "Hauppauge WinTV")
422 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
423 * @version: KERNEL_VERSION
424 * @capabilities: capabilities of the physical device as a whole
425 * @device_caps: capabilities accessed via this particular device (node)
426 * @reserved: reserved fields for future extensions
427 */
428 struct v4l2_capability {
429 __u8 driver[16];
430 __u8 card[32];
431 __u8 bus_info[32];
432 __u32 version;
433 __u32 capabilities;
434 __u32 device_caps;
435 __u32 reserved[3];
436 };
437
438 /* Values for 'capabilities' field */
439 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
440 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
441 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
442 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
443 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
444 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
445 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
446 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
447 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
448 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
449 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
450
451 /* Is a video capture device that supports multiplanar formats */
452 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
453 /* Is a video output device that supports multiplanar formats */
454 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
455 /* Is a video mem-to-mem device that supports multiplanar formats */
456 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
457 /* Is a video mem-to-mem device */
458 #define V4L2_CAP_VIDEO_M2M 0x00008000
459
460 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
461 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
462 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
463 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
464
465 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
466 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
467 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
468 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
469
470 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
471 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
472 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
473 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
474
475 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
476
477 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
478
479 /*
480 * V I D E O I M A G E F O R M A T
481 */
482 struct v4l2_pix_format {
483 __u32 width;
484 __u32 height;
485 __u32 pixelformat;
486 __u32 field; /* enum v4l2_field */
487 __u32 bytesperline; /* for padding, zero if unused */
488 __u32 sizeimage;
489 __u32 colorspace; /* enum v4l2_colorspace */
490 __u32 priv; /* private data, depends on pixelformat */
491 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
492 union {
493 /* enum v4l2_ycbcr_encoding */
494 __u32 ycbcr_enc;
495 /* enum v4l2_hsv_encoding */
496 __u32 hsv_enc;
497 };
498 __u32 quantization; /* enum v4l2_quantization */
499 __u32 xfer_func; /* enum v4l2_xfer_func */
500 };
501
502 /* Pixel format FOURCC depth Description */
503
504 /* RGB formats */
505 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
506 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
507 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
508 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
509 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
510 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
511 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
512 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
513 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
514 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
515 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
516 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
517 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
518 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
519 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
520 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
521 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
522 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
523 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
524 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
525 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
526
527 /* Grey formats */
528 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
529 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
530 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
531 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
532 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
533 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
534 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
535
536 /* Grey bit-packed formats */
537 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
538 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
539
540 /* Palette formats */
541 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
542
543 /* Chrominance formats */
544 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
545
546 /* Luminance+Chrominance formats */
547 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
548 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
549 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
550 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
551 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
552 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
553 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
554 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
555 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
556 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
557 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
558 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
559 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
560
561 /* two planes -- one Y, one Cr + Cb interleaved */
562 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
563 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
564 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
565 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
566 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
567 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
568
569 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
570 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
571 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
572 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
573 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
574 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
575 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
576
577 /* three planes - Y Cb, Cr */
578 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
579 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
580 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
581 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
582 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
583 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
584
585 /* three non contiguous planes - Y, Cb, Cr */
586 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
587 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
588 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
589 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
590 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
591 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
592
593 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
594 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
595 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
596 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
597 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
598 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
599 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
600 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
601 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
602 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
603 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
604 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
605 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
606 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
607 /* 10bit raw bayer a-law compressed to 8 bits */
608 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
609 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
610 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
611 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
612 /* 10bit raw bayer DPCM compressed to 8 bits */
613 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
614 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
615 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
616 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
617 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
618 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
619 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
620 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
621 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
622 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
623 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
624 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
625 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
626 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
627 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
628 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
629 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
630 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
631 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
632 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
633 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
634 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
635
636 /* HSV formats */
637 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
638 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
639
640 /* compressed formats */
641 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
642 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
643 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
644 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
645 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
646 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
647 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
648 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
649 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
650 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
651 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
652 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
653 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
654 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
655 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
656 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
657 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
658 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
659 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
660
661 /* Vendor-specific formats */
662 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
663 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
664 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
665 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
666 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
667 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
668 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
669 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
670 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
671 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
672 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
673 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
674 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
675 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
676 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
677 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
678 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
679 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
680 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
681 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
682 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
683 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
684 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
685 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
686 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
687 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
688 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
689 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
690 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
691 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
692 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
693 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */
694 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
695
696 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
697 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
698 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
699 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
700 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
701
702 /* SDR formats - used only for Software Defined Radio devices */
703 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
704 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
705 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
706 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
707 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
708 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
709 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
710 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
711
712 /* Touch formats - used for Touch devices */
713 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
714 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
715 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
716 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
717
718 /* Meta-data formats */
719 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
720 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
721 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
722 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
723
724 /* priv field value to indicates that subsequent fields are valid. */
725 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
726
727 /* Flags */
728 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
729
730 /*
731 * F O R M A T E N U M E R A T I O N
732 */
733 struct v4l2_fmtdesc {
734 __u32 index; /* Format number */
735 __u32 type; /* enum v4l2_buf_type */
736 __u32 flags;
737 __u8 description[32]; /* Description string */
738 __u32 pixelformat; /* Format fourcc */
739 __u32 reserved[4];
740 };
741
742 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
743 #define V4L2_FMT_FLAG_EMULATED 0x0002
744
745 /* Frame Size and frame rate enumeration */
746 /*
747 * F R A M E S I Z E E N U M E R A T I O N
748 */
749 enum v4l2_frmsizetypes {
750 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
751 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
752 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
753 };
754
755 struct v4l2_frmsize_discrete {
756 __u32 width; /* Frame width [pixel] */
757 __u32 height; /* Frame height [pixel] */
758 };
759
760 struct v4l2_frmsize_stepwise {
761 __u32 min_width; /* Minimum frame width [pixel] */
762 __u32 max_width; /* Maximum frame width [pixel] */
763 __u32 step_width; /* Frame width step size [pixel] */
764 __u32 min_height; /* Minimum frame height [pixel] */
765 __u32 max_height; /* Maximum frame height [pixel] */
766 __u32 step_height; /* Frame height step size [pixel] */
767 };
768
769 struct v4l2_frmsizeenum {
770 __u32 index; /* Frame size number */
771 __u32 pixel_format; /* Pixel format */
772 __u32 type; /* Frame size type the device supports. */
773
774 union { /* Frame size */
775 struct v4l2_frmsize_discrete discrete;
776 struct v4l2_frmsize_stepwise stepwise;
777 };
778
779 __u32 reserved[2]; /* Reserved space for future use */
780 };
781
782 /*
783 * F R A M E R A T E E N U M E R A T I O N
784 */
785 enum v4l2_frmivaltypes {
786 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
787 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
788 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
789 };
790
791 struct v4l2_frmival_stepwise {
792 struct v4l2_fract min; /* Minimum frame interval [s] */
793 struct v4l2_fract max; /* Maximum frame interval [s] */
794 struct v4l2_fract step; /* Frame interval step size [s] */
795 };
796
797 struct v4l2_frmivalenum {
798 __u32 index; /* Frame format index */
799 __u32 pixel_format; /* Pixel format */
800 __u32 width; /* Frame width */
801 __u32 height; /* Frame height */
802 __u32 type; /* Frame interval type the device supports. */
803
804 union { /* Frame interval */
805 struct v4l2_fract discrete;
806 struct v4l2_frmival_stepwise stepwise;
807 };
808
809 __u32 reserved[2]; /* Reserved space for future use */
810 };
811
812 /*
813 * T I M E C O D E
814 */
815 struct v4l2_timecode {
816 __u32 type;
817 __u32 flags;
818 __u8 frames;
819 __u8 seconds;
820 __u8 minutes;
821 __u8 hours;
822 __u8 userbits[4];
823 };
824
825 /* Type */
826 #define V4L2_TC_TYPE_24FPS 1
827 #define V4L2_TC_TYPE_25FPS 2
828 #define V4L2_TC_TYPE_30FPS 3
829 #define V4L2_TC_TYPE_50FPS 4
830 #define V4L2_TC_TYPE_60FPS 5
831
832 /* Flags */
833 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
834 #define V4L2_TC_FLAG_COLORFRAME 0x0002
835 #define V4L2_TC_USERBITS_field 0x000C
836 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
837 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
838 /* The above is based on SMPTE timecodes */
839
840 struct v4l2_jpegcompression {
841 int quality;
842
843 int APPn; /* Number of APP segment to be written,
844 * must be 0..15 */
845 int APP_len; /* Length of data in JPEG APPn segment */
846 char APP_data[60]; /* Data in the JPEG APPn segment. */
847
848 int COM_len; /* Length of data in JPEG COM segment */
849 char COM_data[60]; /* Data in JPEG COM segment */
850
851 __u32 jpeg_markers; /* Which markers should go into the JPEG
852 * output. Unless you exactly know what
853 * you do, leave them untouched.
854 * Including less markers will make the
855 * resulting code smaller, but there will
856 * be fewer applications which can read it.
857 * The presence of the APP and COM marker
858 * is influenced by APP_len and COM_len
859 * ONLY, not by this property! */
860
861 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
862 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
863 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
864 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
865 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
866 * always use APP0 */
867 };
868
869 /*
870 * M E M O R Y - M A P P I N G B U F F E R S
871 */
872 struct v4l2_requestbuffers {
873 __u32 count;
874 __u32 type; /* enum v4l2_buf_type */
875 __u32 memory; /* enum v4l2_memory */
876 __u32 capabilities;
877 __u32 reserved[1];
878 };
879
880 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
881 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
882 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
883 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
884 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
885 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
886
887 /**
888 * struct v4l2_plane - plane info for multi-planar buffers
889 * @bytesused: number of bytes occupied by data in the plane (payload)
890 * @length: size of this plane (NOT the payload) in bytes
891 * @mem_offset: when memory in the associated struct v4l2_buffer is
892 * V4L2_MEMORY_MMAP, equals the offset from the start of
893 * the device memory for this plane (or is a "cookie" that
894 * should be passed to mmap() called on the video node)
895 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
896 * pointing to this plane
897 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
898 * descriptor associated with this plane
899 * @data_offset: offset in the plane to the start of data; usually 0,
900 * unless there is a header in front of the data
901 *
902 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
903 * with two planes can have one plane for Y, and another for interleaved CbCr
904 * components. Each plane can reside in a separate memory buffer, or even in
905 * a completely separate memory node (e.g. in embedded devices).
906 */
907 struct v4l2_plane {
908 __u32 bytesused;
909 __u32 length;
910 union {
911 __u32 mem_offset;
912 unsigned long userptr;
913 __s32 fd;
914 } m;
915 __u32 data_offset;
916 __u32 reserved[11];
917 };
918
919 /**
920 * struct v4l2_buffer - video buffer info
921 * @index: id number of the buffer
922 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
923 * multiplanar buffers);
924 * @bytesused: number of bytes occupied by data in the buffer (payload);
925 * unused (set to 0) for multiplanar buffers
926 * @flags: buffer informational flags
927 * @field: enum v4l2_field; field order of the image in the buffer
928 * @timestamp: frame timestamp
929 * @timecode: frame timecode
930 * @sequence: sequence count of this frame
931 * @memory: enum v4l2_memory; the method, in which the actual video data is
932 * passed
933 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
934 * offset from the start of the device memory for this plane,
935 * (or a "cookie" that should be passed to mmap() as offset)
936 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
937 * a userspace pointer pointing to this buffer
938 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
939 * a userspace file descriptor associated with this buffer
940 * @planes: for multiplanar buffers; userspace pointer to the array of plane
941 * info structs for this buffer
942 * @length: size in bytes of the buffer (NOT its payload) for single-plane
943 * buffers (when type != *_MPLANE); number of elements in the
944 * planes array for multi-plane buffers
945 * @request_fd: fd of the request that this buffer should use
946 *
947 * Contains data exchanged by application and driver using one of the Streaming
948 * I/O methods.
949 */
950 struct v4l2_buffer {
951 __u32 index;
952 __u32 type;
953 __u32 bytesused;
954 __u32 flags;
955 __u32 field;
956 struct timeval timestamp;
957 struct v4l2_timecode timecode;
958 __u32 sequence;
959
960 /* memory location */
961 __u32 memory;
962 union {
963 __u32 offset;
964 unsigned long userptr;
965 struct v4l2_plane *planes;
966 __s32 fd;
967 } m;
968 __u32 length;
969 __u32 reserved2;
970 union {
971 __s32 request_fd;
972 __u32 reserved;
973 };
974 };
975
976 /* Flags for 'flags' field */
977 /* Buffer is mapped (flag) */
978 #define V4L2_BUF_FLAG_MAPPED 0x00000001
979 /* Buffer is queued for processing */
980 #define V4L2_BUF_FLAG_QUEUED 0x00000002
981 /* Buffer is ready */
982 #define V4L2_BUF_FLAG_DONE 0x00000004
983 /* Image is a keyframe (I-frame) */
984 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
985 /* Image is a P-frame */
986 #define V4L2_BUF_FLAG_PFRAME 0x00000010
987 /* Image is a B-frame */
988 #define V4L2_BUF_FLAG_BFRAME 0x00000020
989 /* Buffer is ready, but the data contained within is corrupted. */
990 #define V4L2_BUF_FLAG_ERROR 0x00000040
991 /* Buffer is added to an unqueued request */
992 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
993 /* timecode field is valid */
994 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
995 /* Buffer is prepared for queuing */
996 #define V4L2_BUF_FLAG_PREPARED 0x00000400
997 /* Cache handling flags */
998 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
999 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1000 /* Timestamp type */
1001 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1002 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1003 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1004 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1005 /* Timestamp sources. */
1006 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1007 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1008 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1009 /* mem2mem encoder/decoder */
1010 #define V4L2_BUF_FLAG_LAST 0x00100000
1011 /* request_fd is valid */
1012 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1013
1014 /**
1015 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1016 *
1017 * @index: id number of the buffer
1018 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1019 * multiplanar buffers);
1020 * @plane: index of the plane to be exported, 0 for single plane queues
1021 * @flags: flags for newly created file, currently only O_CLOEXEC is
1022 * supported, refer to manual of open syscall for more details
1023 * @fd: file descriptor associated with DMABUF (set by driver)
1024 *
1025 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1026 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1027 * (identical to the cookie used to mmap() the buffer to userspace). All
1028 * reserved fields must be set to zero. The field reserved0 is expected to
1029 * become a structure 'type' allowing an alternative layout of the structure
1030 * content. Therefore this field should not be used for any other extensions.
1031 */
1032 struct v4l2_exportbuffer {
1033 __u32 type; /* enum v4l2_buf_type */
1034 __u32 index;
1035 __u32 plane;
1036 __u32 flags;
1037 __s32 fd;
1038 __u32 reserved[11];
1039 };
1040
1041 /*
1042 * O V E R L A Y P R E V I E W
1043 */
1044 struct v4l2_framebuffer {
1045 __u32 capability;
1046 __u32 flags;
1047 /* FIXME: in theory we should pass something like PCI device + memory
1048 * region + offset instead of some physical address */
1049 void *base;
1050 struct {
1051 __u32 width;
1052 __u32 height;
1053 __u32 pixelformat;
1054 __u32 field; /* enum v4l2_field */
1055 __u32 bytesperline; /* for padding, zero if unused */
1056 __u32 sizeimage;
1057 __u32 colorspace; /* enum v4l2_colorspace */
1058 __u32 priv; /* reserved field, set to 0 */
1059 } fmt;
1060 };
1061 /* Flags for the 'capability' field. Read only */
1062 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1063 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1064 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1065 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1066 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1067 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1068 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1069 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1070 /* Flags for the 'flags' field. */
1071 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
1072 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
1073 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1074 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1075 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1076 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1077 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1078
1079 struct v4l2_clip {
1080 struct v4l2_rect c;
1081 struct v4l2_clip __user *next;
1082 };
1083
1084 struct v4l2_window {
1085 struct v4l2_rect w;
1086 __u32 field; /* enum v4l2_field */
1087 __u32 chromakey;
1088 struct v4l2_clip __user *clips;
1089 __u32 clipcount;
1090 void __user *bitmap;
1091 __u8 global_alpha;
1092 };
1093
1094 /*
1095 * C A P T U R E P A R A M E T E R S
1096 */
1097 struct v4l2_captureparm {
1098 __u32 capability; /* Supported modes */
1099 __u32 capturemode; /* Current mode */
1100 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1101 __u32 extendedmode; /* Driver-specific extensions */
1102 __u32 readbuffers; /* # of buffers for read */
1103 __u32 reserved[4];
1104 };
1105
1106 /* Flags for 'capability' and 'capturemode' fields */
1107 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1108 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1109
1110 struct v4l2_outputparm {
1111 __u32 capability; /* Supported modes */
1112 __u32 outputmode; /* Current mode */
1113 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1114 __u32 extendedmode; /* Driver-specific extensions */
1115 __u32 writebuffers; /* # of buffers for write */
1116 __u32 reserved[4];
1117 };
1118
1119 /*
1120 * I N P U T I M A G E C R O P P I N G
1121 */
1122 struct v4l2_cropcap {
1123 __u32 type; /* enum v4l2_buf_type */
1124 struct v4l2_rect bounds;
1125 struct v4l2_rect defrect;
1126 struct v4l2_fract pixelaspect;
1127 };
1128
1129 struct v4l2_crop {
1130 __u32 type; /* enum v4l2_buf_type */
1131 struct v4l2_rect c;
1132 };
1133
1134 /**
1135 * struct v4l2_selection - selection info
1136 * @type: buffer type (do not use *_MPLANE types)
1137 * @target: Selection target, used to choose one of possible rectangles;
1138 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1139 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1140 * @r: coordinates of selection window
1141 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1142 *
1143 * Hardware may use multiple helper windows to process a video stream.
1144 * The structure is used to exchange this selection areas between
1145 * an application and a driver.
1146 */
1147 struct v4l2_selection {
1148 __u32 type;
1149 __u32 target;
1150 __u32 flags;
1151 struct v4l2_rect r;
1152 __u32 reserved[9];
1153 };
1154
1155
1156 /*
1157 * A N A L O G V I D E O S T A N D A R D
1158 */
1159
1160 typedef __u64 v4l2_std_id;
1161
1162 /* one bit for each */
1163 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1164 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1165 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1166 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1167 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1168 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1169 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1170 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1171
1172 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1173 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1174 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1175 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1176
1177 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1178 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1179 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1180 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1181
1182 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1183 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1184 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1185 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1186 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1187 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1188 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1189 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1190
1191 /* ATSC/HDTV */
1192 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1193 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1194
1195 /* FIXME:
1196 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1197 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1198 this value to 32 bits.
1199 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1200 it should work fine. However, if needed to add more than two standards,
1201 v4l2-common.c should be fixed.
1202 */
1203
1204 /*
1205 * Some macros to merge video standards in order to make live easier for the
1206 * drivers and V4L2 applications
1207 */
1208
1209 /*
1210 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1211 * Missing here.
1212 */
1213 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1214 V4L2_STD_NTSC_M_JP |\
1215 V4L2_STD_NTSC_M_KR)
1216 /* Secam macros */
1217 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1218 V4L2_STD_SECAM_K |\
1219 V4L2_STD_SECAM_K1)
1220 /* All Secam Standards */
1221 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1222 V4L2_STD_SECAM_G |\
1223 V4L2_STD_SECAM_H |\
1224 V4L2_STD_SECAM_DK |\
1225 V4L2_STD_SECAM_L |\
1226 V4L2_STD_SECAM_LC)
1227 /* PAL macros */
1228 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1229 V4L2_STD_PAL_B1 |\
1230 V4L2_STD_PAL_G)
1231 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1232 V4L2_STD_PAL_D1 |\
1233 V4L2_STD_PAL_K)
1234 /*
1235 * "Common" PAL - This macro is there to be compatible with the old
1236 * V4L1 concept of "PAL": /BGDKHI.
1237 * Several PAL standards are missing here: /M, /N and /Nc
1238 */
1239 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1240 V4L2_STD_PAL_DK |\
1241 V4L2_STD_PAL_H |\
1242 V4L2_STD_PAL_I)
1243 /* Chroma "agnostic" standards */
1244 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1245 V4L2_STD_PAL_B1 |\
1246 V4L2_STD_SECAM_B)
1247 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1248 V4L2_STD_SECAM_G)
1249 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1250 V4L2_STD_SECAM_H)
1251 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1252 V4L2_STD_SECAM_LC)
1253 #define V4L2_STD_GH (V4L2_STD_G |\
1254 V4L2_STD_H)
1255 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1256 V4L2_STD_SECAM_DK)
1257 #define V4L2_STD_BG (V4L2_STD_B |\
1258 V4L2_STD_G)
1259 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1260 V4L2_STD_PAL_N |\
1261 V4L2_STD_PAL_Nc |\
1262 V4L2_STD_NTSC)
1263
1264 /* Standards where MTS/BTSC stereo could be found */
1265 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1266 V4L2_STD_PAL_M |\
1267 V4L2_STD_PAL_N |\
1268 V4L2_STD_PAL_Nc)
1269
1270 /* Standards for Countries with 60Hz Line frequency */
1271 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1272 V4L2_STD_PAL_60 |\
1273 V4L2_STD_NTSC |\
1274 V4L2_STD_NTSC_443)
1275 /* Standards for Countries with 50Hz Line frequency */
1276 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1277 V4L2_STD_PAL_N |\
1278 V4L2_STD_PAL_Nc |\
1279 V4L2_STD_SECAM)
1280
1281 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1282 V4L2_STD_ATSC_16_VSB)
1283 /* Macros with none and all analog standards */
1284 #define V4L2_STD_UNKNOWN 0
1285 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1286 V4L2_STD_625_50)
1287
1288 struct v4l2_standard {
1289 __u32 index;
1290 v4l2_std_id id;
1291 __u8 name[24];
1292 struct v4l2_fract frameperiod; /* Frames, not fields */
1293 __u32 framelines;
1294 __u32 reserved[4];
1295 };
1296
1297 /*
1298 * D V B T T I M I N G S
1299 */
1300
1301 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1302 * @width: total width of the active video in pixels
1303 * @height: total height of the active video in lines
1304 * @interlaced: Interlaced or progressive
1305 * @polarities: Positive or negative polarities
1306 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1307 * @hfrontporch:Horizontal front porch in pixels
1308 * @hsync: Horizontal Sync length in pixels
1309 * @hbackporch: Horizontal back porch in pixels
1310 * @vfrontporch:Vertical front porch in lines
1311 * @vsync: Vertical Sync length in lines
1312 * @vbackporch: Vertical back porch in lines
1313 * @il_vfrontporch:Vertical front porch for the even field
1314 * (aka field 2) of interlaced field formats
1315 * @il_vsync: Vertical Sync length for the even field
1316 * (aka field 2) of interlaced field formats
1317 * @il_vbackporch:Vertical back porch for the even field
1318 * (aka field 2) of interlaced field formats
1319 * @standards: Standards the timing belongs to
1320 * @flags: Flags
1321 * @picture_aspect: The picture aspect ratio (hor/vert).
1322 * @cea861_vic: VIC code as per the CEA-861 standard.
1323 * @hdmi_vic: VIC code as per the HDMI standard.
1324 * @reserved: Reserved fields, must be zeroed.
1325 *
1326 * A note regarding vertical interlaced timings: height refers to the total
1327 * height of the active video frame (= two fields). The blanking timings refer
1328 * to the blanking of each field. So the height of the total frame is
1329 * calculated as follows:
1330 *
1331 * tot_height = height + vfrontporch + vsync + vbackporch +
1332 * il_vfrontporch + il_vsync + il_vbackporch
1333 *
1334 * The active height of each field is height / 2.
1335 */
1336 struct v4l2_bt_timings {
1337 __u32 width;
1338 __u32 height;
1339 __u32 interlaced;
1340 __u32 polarities;
1341 __u64 pixelclock;
1342 __u32 hfrontporch;
1343 __u32 hsync;
1344 __u32 hbackporch;
1345 __u32 vfrontporch;
1346 __u32 vsync;
1347 __u32 vbackporch;
1348 __u32 il_vfrontporch;
1349 __u32 il_vsync;
1350 __u32 il_vbackporch;
1351 __u32 standards;
1352 __u32 flags;
1353 struct v4l2_fract picture_aspect;
1354 __u8 cea861_vic;
1355 __u8 hdmi_vic;
1356 __u8 reserved[46];
1357 } __attribute__ ((packed));
1358
1359 /* Interlaced or progressive format */
1360 #define V4L2_DV_PROGRESSIVE 0
1361 #define V4L2_DV_INTERLACED 1
1362
1363 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1364 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1365 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1366
1367 /* Timings standards */
1368 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1369 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1370 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1371 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1372 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1373
1374 /* Flags */
1375
1376 /*
1377 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1378 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1379 * intervals are reduced, allowing a higher resolution over the same
1380 * bandwidth. This is a read-only flag.
1381 */
1382 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1383 /*
1384 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1385 * of six. These formats can be optionally played at 1 / 1.001 speed.
1386 * This is a read-only flag.
1387 */
1388 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1389 /*
1390 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1391 * by receivers.
1392 * If the framerate of the format is a multiple of six, then the pixelclock
1393 * used to set up the transmitter is divided by 1.001 to make it compatible
1394 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1395 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1396 * such frequencies, then the flag will also be cleared.
1397 */
1398 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1399 /*
1400 * Specific to interlaced formats: if set, then field 1 is really one half-line
1401 * longer and field 2 is really one half-line shorter, so each field has
1402 * exactly the same number of half-lines. Whether half-lines can be detected
1403 * or used depends on the hardware.
1404 */
1405 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1406 /*
1407 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1408 * differ from other formats (commonly called IT formats) in that if RGB
1409 * encoding is used then by default the RGB values use limited range (i.e.
1410 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1411 * except for the 640x480 format are CE formats.
1412 */
1413 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1414 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1415 * total height. For these formats, if this flag is set, the first
1416 * field has the extra line. If not, it is the second field.
1417 */
1418 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1419 /*
1420 * If set, then the picture_aspect field is valid. Otherwise assume that the
1421 * pixels are square, so the picture aspect ratio is the same as the width to
1422 * height ratio.
1423 */
1424 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1425 /*
1426 * If set, then the cea861_vic field is valid and contains the Video
1427 * Identification Code as per the CEA-861 standard.
1428 */
1429 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1430 /*
1431 * If set, then the hdmi_vic field is valid and contains the Video
1432 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1433 * InfoFrame).
1434 */
1435 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1436 /*
1437 * CEA-861 specific: only valid for video receivers.
1438 * If set, then HW can detect the difference between regular FPS and
1439 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1440 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1441 */
1442 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1443
1444 /* A few useful defines to calculate the total blanking and frame sizes */
1445 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1446 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1447 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1448 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1449 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1450 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1451 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1452 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1453 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1454
1455 /** struct v4l2_dv_timings - DV timings
1456 * @type: the type of the timings
1457 * @bt: BT656/1120 timings
1458 */
1459 struct v4l2_dv_timings {
1460 __u32 type;
1461 union {
1462 struct v4l2_bt_timings bt;
1463 __u32 reserved[32];
1464 };
1465 } __attribute__ ((packed));
1466
1467 /* Values for the type field */
1468 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1469
1470
1471 /** struct v4l2_enum_dv_timings - DV timings enumeration
1472 * @index: enumeration index
1473 * @pad: the pad number for which to enumerate timings (used with
1474 * v4l-subdev nodes only)
1475 * @reserved: must be zeroed
1476 * @timings: the timings for the given index
1477 */
1478 struct v4l2_enum_dv_timings {
1479 __u32 index;
1480 __u32 pad;
1481 __u32 reserved[2];
1482 struct v4l2_dv_timings timings;
1483 };
1484
1485 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1486 * @min_width: width in pixels
1487 * @max_width: width in pixels
1488 * @min_height: height in lines
1489 * @max_height: height in lines
1490 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1491 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1492 * @standards: Supported standards
1493 * @capabilities: Supported capabilities
1494 * @reserved: Must be zeroed
1495 */
1496 struct v4l2_bt_timings_cap {
1497 __u32 min_width;
1498 __u32 max_width;
1499 __u32 min_height;
1500 __u32 max_height;
1501 __u64 min_pixelclock;
1502 __u64 max_pixelclock;
1503 __u32 standards;
1504 __u32 capabilities;
1505 __u32 reserved[16];
1506 } __attribute__ ((packed));
1507
1508 /* Supports interlaced formats */
1509 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1510 /* Supports progressive formats */
1511 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1512 /* Supports CVT/GTF reduced blanking */
1513 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1514 /* Supports custom formats */
1515 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1516
1517 /** struct v4l2_dv_timings_cap - DV timings capabilities
1518 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1519 * @pad: the pad number for which to query capabilities (used with
1520 * v4l-subdev nodes only)
1521 * @bt: the BT656/1120 timings capabilities
1522 */
1523 struct v4l2_dv_timings_cap {
1524 __u32 type;
1525 __u32 pad;
1526 __u32 reserved[2];
1527 union {
1528 struct v4l2_bt_timings_cap bt;
1529 __u32 raw_data[32];
1530 };
1531 };
1532
1533
1534 /*
1535 * V I D E O I N P U T S
1536 */
1537 struct v4l2_input {
1538 __u32 index; /* Which input */
1539 __u8 name[32]; /* Label */
1540 __u32 type; /* Type of input */
1541 __u32 audioset; /* Associated audios (bitfield) */
1542 __u32 tuner; /* enum v4l2_tuner_type */
1543 v4l2_std_id std;
1544 __u32 status;
1545 __u32 capabilities;
1546 __u32 reserved[3];
1547 };
1548
1549 /* Values for the 'type' field */
1550 #define V4L2_INPUT_TYPE_TUNER 1
1551 #define V4L2_INPUT_TYPE_CAMERA 2
1552 #define V4L2_INPUT_TYPE_TOUCH 3
1553
1554 /* field 'status' - general */
1555 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1556 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1557 #define V4L2_IN_ST_NO_COLOR 0x00000004
1558
1559 /* field 'status' - sensor orientation */
1560 /* If sensor is mounted upside down set both bits */
1561 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1562 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1563
1564 /* field 'status' - analog */
1565 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1566 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1567 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1568 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1569
1570 /* field 'status' - digital */
1571 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1572 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1573 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1574
1575 /* field 'status' - VCR and set-top box */
1576 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1577 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1578 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1579
1580 /* capabilities flags */
1581 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1582 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1583 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1584 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1585
1586 /*
1587 * V I D E O O U T P U T S
1588 */
1589 struct v4l2_output {
1590 __u32 index; /* Which output */
1591 __u8 name[32]; /* Label */
1592 __u32 type; /* Type of output */
1593 __u32 audioset; /* Associated audios (bitfield) */
1594 __u32 modulator; /* Associated modulator */
1595 v4l2_std_id std;
1596 __u32 capabilities;
1597 __u32 reserved[3];
1598 };
1599 /* Values for the 'type' field */
1600 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1601 #define V4L2_OUTPUT_TYPE_ANALOG 2
1602 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1603
1604 /* capabilities flags */
1605 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1606 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1607 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1608 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1609
1610 /*
1611 * C O N T R O L S
1612 */
1613 struct v4l2_control {
1614 __u32 id;
1615 __s32 value;
1616 };
1617
1618 struct v4l2_ext_control {
1619 __u32 id;
1620 __u32 size;
1621 __u32 reserved2[1];
1622 union {
1623 __s32 value;
1624 __s64 value64;
1625 char __user *string;
1626 __u8 __user *p_u8;
1627 __u16 __user *p_u16;
1628 __u32 __user *p_u32;
1629 void __user *ptr;
1630 };
1631 } __attribute__ ((packed));
1632
1633 struct v4l2_ext_controls {
1634 union {
1635 #ifndef __KERNEL__
1636 __u32 ctrl_class;
1637 #endif
1638 __u32 which;
1639 };
1640 __u32 count;
1641 __u32 error_idx;
1642 __s32 request_fd;
1643 __u32 reserved[1];
1644 struct v4l2_ext_control *controls;
1645 };
1646
1647 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1648 #ifndef __KERNEL__
1649 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1650 #endif
1651 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1652 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1653 #define V4L2_CTRL_MAX_DIMS (4)
1654 #define V4L2_CTRL_WHICH_CUR_VAL 0
1655 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1656 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1657
1658 enum v4l2_ctrl_type {
1659 V4L2_CTRL_TYPE_INTEGER = 1,
1660 V4L2_CTRL_TYPE_BOOLEAN = 2,
1661 V4L2_CTRL_TYPE_MENU = 3,
1662 V4L2_CTRL_TYPE_BUTTON = 4,
1663 V4L2_CTRL_TYPE_INTEGER64 = 5,
1664 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1665 V4L2_CTRL_TYPE_STRING = 7,
1666 V4L2_CTRL_TYPE_BITMASK = 8,
1667 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1668
1669 /* Compound types are >= 0x0100 */
1670 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1671 V4L2_CTRL_TYPE_U8 = 0x0100,
1672 V4L2_CTRL_TYPE_U16 = 0x0101,
1673 V4L2_CTRL_TYPE_U32 = 0x0102,
1674 };
1675
1676 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1677 struct v4l2_queryctrl {
1678 __u32 id;
1679 __u32 type; /* enum v4l2_ctrl_type */
1680 __u8 name[32]; /* Whatever */
1681 __s32 minimum; /* Note signedness */
1682 __s32 maximum;
1683 __s32 step;
1684 __s32 default_value;
1685 __u32 flags;
1686 __u32 reserved[2];
1687 };
1688
1689 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1690 struct v4l2_query_ext_ctrl {
1691 __u32 id;
1692 __u32 type;
1693 char name[32];
1694 __s64 minimum;
1695 __s64 maximum;
1696 __u64 step;
1697 __s64 default_value;
1698 __u32 flags;
1699 __u32 elem_size;
1700 __u32 elems;
1701 __u32 nr_of_dims;
1702 __u32 dims[V4L2_CTRL_MAX_DIMS];
1703 __u32 reserved[32];
1704 };
1705
1706 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1707 struct v4l2_querymenu {
1708 __u32 id;
1709 __u32 index;
1710 union {
1711 __u8 name[32]; /* Whatever */
1712 __s64 value;
1713 };
1714 __u32 reserved;
1715 } __attribute__ ((packed));
1716
1717 /* Control flags */
1718 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1719 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1720 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1721 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1722 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1723 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1724 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1725 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1726 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1727 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1728 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1729
1730 /* Query flags, to be ORed with the control ID */
1731 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1732 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1733
1734 /* User-class control IDs defined by V4L2 */
1735 #define V4L2_CID_MAX_CTRLS 1024
1736 /* IDs reserved for driver specific controls */
1737 #define V4L2_CID_PRIVATE_BASE 0x08000000
1738
1739
1740 /*
1741 * T U N I N G
1742 */
1743 struct v4l2_tuner {
1744 __u32 index;
1745 __u8 name[32];
1746 __u32 type; /* enum v4l2_tuner_type */
1747 __u32 capability;
1748 __u32 rangelow;
1749 __u32 rangehigh;
1750 __u32 rxsubchans;
1751 __u32 audmode;
1752 __s32 signal;
1753 __s32 afc;
1754 __u32 reserved[4];
1755 };
1756
1757 struct v4l2_modulator {
1758 __u32 index;
1759 __u8 name[32];
1760 __u32 capability;
1761 __u32 rangelow;
1762 __u32 rangehigh;
1763 __u32 txsubchans;
1764 __u32 type; /* enum v4l2_tuner_type */
1765 __u32 reserved[3];
1766 };
1767
1768 /* Flags for the 'capability' field */
1769 #define V4L2_TUNER_CAP_LOW 0x0001
1770 #define V4L2_TUNER_CAP_NORM 0x0002
1771 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1772 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1773 #define V4L2_TUNER_CAP_STEREO 0x0010
1774 #define V4L2_TUNER_CAP_LANG2 0x0020
1775 #define V4L2_TUNER_CAP_SAP 0x0020
1776 #define V4L2_TUNER_CAP_LANG1 0x0040
1777 #define V4L2_TUNER_CAP_RDS 0x0080
1778 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1779 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1780 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1781 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1782 #define V4L2_TUNER_CAP_1HZ 0x1000
1783
1784 /* Flags for the 'rxsubchans' field */
1785 #define V4L2_TUNER_SUB_MONO 0x0001
1786 #define V4L2_TUNER_SUB_STEREO 0x0002
1787 #define V4L2_TUNER_SUB_LANG2 0x0004
1788 #define V4L2_TUNER_SUB_SAP 0x0004
1789 #define V4L2_TUNER_SUB_LANG1 0x0008
1790 #define V4L2_TUNER_SUB_RDS 0x0010
1791
1792 /* Values for the 'audmode' field */
1793 #define V4L2_TUNER_MODE_MONO 0x0000
1794 #define V4L2_TUNER_MODE_STEREO 0x0001
1795 #define V4L2_TUNER_MODE_LANG2 0x0002
1796 #define V4L2_TUNER_MODE_SAP 0x0002
1797 #define V4L2_TUNER_MODE_LANG1 0x0003
1798 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1799
1800 struct v4l2_frequency {
1801 __u32 tuner;
1802 __u32 type; /* enum v4l2_tuner_type */
1803 __u32 frequency;
1804 __u32 reserved[8];
1805 };
1806
1807 #define V4L2_BAND_MODULATION_VSB (1 << 1)
1808 #define V4L2_BAND_MODULATION_FM (1 << 2)
1809 #define V4L2_BAND_MODULATION_AM (1 << 3)
1810
1811 struct v4l2_frequency_band {
1812 __u32 tuner;
1813 __u32 type; /* enum v4l2_tuner_type */
1814 __u32 index;
1815 __u32 capability;
1816 __u32 rangelow;
1817 __u32 rangehigh;
1818 __u32 modulation;
1819 __u32 reserved[9];
1820 };
1821
1822 struct v4l2_hw_freq_seek {
1823 __u32 tuner;
1824 __u32 type; /* enum v4l2_tuner_type */
1825 __u32 seek_upward;
1826 __u32 wrap_around;
1827 __u32 spacing;
1828 __u32 rangelow;
1829 __u32 rangehigh;
1830 __u32 reserved[5];
1831 };
1832
1833 /*
1834 * R D S
1835 */
1836
1837 struct v4l2_rds_data {
1838 __u8 lsb;
1839 __u8 msb;
1840 __u8 block;
1841 } __attribute__ ((packed));
1842
1843 #define V4L2_RDS_BLOCK_MSK 0x7
1844 #define V4L2_RDS_BLOCK_A 0
1845 #define V4L2_RDS_BLOCK_B 1
1846 #define V4L2_RDS_BLOCK_C 2
1847 #define V4L2_RDS_BLOCK_D 3
1848 #define V4L2_RDS_BLOCK_C_ALT 4
1849 #define V4L2_RDS_BLOCK_INVALID 7
1850
1851 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1852 #define V4L2_RDS_BLOCK_ERROR 0x80
1853
1854 /*
1855 * A U D I O
1856 */
1857 struct v4l2_audio {
1858 __u32 index;
1859 __u8 name[32];
1860 __u32 capability;
1861 __u32 mode;
1862 __u32 reserved[2];
1863 };
1864
1865 /* Flags for the 'capability' field */
1866 #define V4L2_AUDCAP_STEREO 0x00001
1867 #define V4L2_AUDCAP_AVL 0x00002
1868
1869 /* Flags for the 'mode' field */
1870 #define V4L2_AUDMODE_AVL 0x00001
1871
1872 struct v4l2_audioout {
1873 __u32 index;
1874 __u8 name[32];
1875 __u32 capability;
1876 __u32 mode;
1877 __u32 reserved[2];
1878 };
1879
1880 /*
1881 * M P E G S E R V I C E S
1882 */
1883 #if 1
1884 #define V4L2_ENC_IDX_FRAME_I (0)
1885 #define V4L2_ENC_IDX_FRAME_P (1)
1886 #define V4L2_ENC_IDX_FRAME_B (2)
1887 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1888
1889 struct v4l2_enc_idx_entry {
1890 __u64 offset;
1891 __u64 pts;
1892 __u32 length;
1893 __u32 flags;
1894 __u32 reserved[2];
1895 };
1896
1897 #define V4L2_ENC_IDX_ENTRIES (64)
1898 struct v4l2_enc_idx {
1899 __u32 entries;
1900 __u32 entries_cap;
1901 __u32 reserved[4];
1902 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1903 };
1904
1905
1906 #define V4L2_ENC_CMD_START (0)
1907 #define V4L2_ENC_CMD_STOP (1)
1908 #define V4L2_ENC_CMD_PAUSE (2)
1909 #define V4L2_ENC_CMD_RESUME (3)
1910
1911 /* Flags for V4L2_ENC_CMD_STOP */
1912 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
1913
1914 struct v4l2_encoder_cmd {
1915 __u32 cmd;
1916 __u32 flags;
1917 union {
1918 struct {
1919 __u32 data[8];
1920 } raw;
1921 };
1922 };
1923
1924 /* Decoder commands */
1925 #define V4L2_DEC_CMD_START (0)
1926 #define V4L2_DEC_CMD_STOP (1)
1927 #define V4L2_DEC_CMD_PAUSE (2)
1928 #define V4L2_DEC_CMD_RESUME (3)
1929
1930 /* Flags for V4L2_DEC_CMD_START */
1931 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
1932
1933 /* Flags for V4L2_DEC_CMD_PAUSE */
1934 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
1935
1936 /* Flags for V4L2_DEC_CMD_STOP */
1937 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
1938 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
1939
1940 /* Play format requirements (returned by the driver): */
1941
1942 /* The decoder has no special format requirements */
1943 #define V4L2_DEC_START_FMT_NONE (0)
1944 /* The decoder requires full GOPs */
1945 #define V4L2_DEC_START_FMT_GOP (1)
1946
1947 /* The structure must be zeroed before use by the application
1948 This ensures it can be extended safely in the future. */
1949 struct v4l2_decoder_cmd {
1950 __u32 cmd;
1951 __u32 flags;
1952 union {
1953 struct {
1954 __u64 pts;
1955 } stop;
1956
1957 struct {
1958 /* 0 or 1000 specifies normal speed,
1959 1 specifies forward single stepping,
1960 -1 specifies backward single stepping,
1961 >1: playback at speed/1000 of the normal speed,
1962 <-1: reverse playback at (-speed/1000) of the normal speed. */
1963 __s32 speed;
1964 __u32 format;
1965 } start;
1966
1967 struct {
1968 __u32 data[16];
1969 } raw;
1970 };
1971 };
1972 #endif
1973
1974
1975 /*
1976 * D A T A S E R V I C E S ( V B I )
1977 *
1978 * Data services API by Michael Schimek
1979 */
1980
1981 /* Raw VBI */
1982 struct v4l2_vbi_format {
1983 __u32 sampling_rate; /* in 1 Hz */
1984 __u32 offset;
1985 __u32 samples_per_line;
1986 __u32 sample_format; /* V4L2_PIX_FMT_* */
1987 __s32 start[2];
1988 __u32 count[2];
1989 __u32 flags; /* V4L2_VBI_* */
1990 __u32 reserved[2]; /* must be zero */
1991 };
1992
1993 /* VBI flags */
1994 #define V4L2_VBI_UNSYNC (1 << 0)
1995 #define V4L2_VBI_INTERLACED (1 << 1)
1996
1997 /* ITU-R start lines for each field */
1998 #define V4L2_VBI_ITU_525_F1_START (1)
1999 #define V4L2_VBI_ITU_525_F2_START (264)
2000 #define V4L2_VBI_ITU_625_F1_START (1)
2001 #define V4L2_VBI_ITU_625_F2_START (314)
2002
2003 /* Sliced VBI
2004 *
2005 * This implements is a proposal V4L2 API to allow SLICED VBI
2006 * required for some hardware encoders. It should change without
2007 * notice in the definitive implementation.
2008 */
2009
2010 struct v4l2_sliced_vbi_format {
2011 __u16 service_set;
2012 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2013 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2014 (equals frame lines 313-336 for 625 line video
2015 standards, 263-286 for 525 line standards) */
2016 __u16 service_lines[2][24];
2017 __u32 io_size;
2018 __u32 reserved[2]; /* must be zero */
2019 };
2020
2021 /* Teletext World System Teletext
2022 (WST), defined on ITU-R BT.653-2 */
2023 #define V4L2_SLICED_TELETEXT_B (0x0001)
2024 /* Video Program System, defined on ETS 300 231*/
2025 #define V4L2_SLICED_VPS (0x0400)
2026 /* Closed Caption, defined on EIA-608 */
2027 #define V4L2_SLICED_CAPTION_525 (0x1000)
2028 /* Wide Screen System, defined on ITU-R BT1119.1 */
2029 #define V4L2_SLICED_WSS_625 (0x4000)
2030
2031 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2032 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2033
2034 struct v4l2_sliced_vbi_cap {
2035 __u16 service_set;
2036 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2037 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2038 (equals frame lines 313-336 for 625 line video
2039 standards, 263-286 for 525 line standards) */
2040 __u16 service_lines[2][24];
2041 __u32 type; /* enum v4l2_buf_type */
2042 __u32 reserved[3]; /* must be 0 */
2043 };
2044
2045 struct v4l2_sliced_vbi_data {
2046 __u32 id;
2047 __u32 field; /* 0: first field, 1: second field */
2048 __u32 line; /* 1-23 */
2049 __u32 reserved; /* must be 0 */
2050 __u8 data[48];
2051 };
2052
2053 /*
2054 * Sliced VBI data inserted into MPEG Streams
2055 */
2056
2057 /*
2058 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2059 *
2060 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2061 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2062 * data
2063 *
2064 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2065 * definitions are not included here. See the MPEG-2 specifications for details
2066 * on these headers.
2067 */
2068
2069 /* Line type IDs */
2070 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2071 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2072 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2073 #define V4L2_MPEG_VBI_IVTV_VPS (7)
2074
2075 struct v4l2_mpeg_vbi_itv0_line {
2076 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2077 __u8 data[42]; /* Sliced VBI data for the line */
2078 } __attribute__ ((packed));
2079
2080 struct v4l2_mpeg_vbi_itv0 {
2081 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2082 struct v4l2_mpeg_vbi_itv0_line line[35];
2083 } __attribute__ ((packed));
2084
2085 struct v4l2_mpeg_vbi_ITV0 {
2086 struct v4l2_mpeg_vbi_itv0_line line[36];
2087 } __attribute__ ((packed));
2088
2089 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2090 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2091
2092 struct v4l2_mpeg_vbi_fmt_ivtv {
2093 __u8 magic[4];
2094 union {
2095 struct v4l2_mpeg_vbi_itv0 itv0;
2096 struct v4l2_mpeg_vbi_ITV0 ITV0;
2097 };
2098 } __attribute__ ((packed));
2099
2100 /*
2101 * A G G R E G A T E S T R U C T U R E S
2102 */
2103
2104 /**
2105 * struct v4l2_plane_pix_format - additional, per-plane format definition
2106 * @sizeimage: maximum size in bytes required for data, for which
2107 * this plane will be used
2108 * @bytesperline: distance in bytes between the leftmost pixels in two
2109 * adjacent lines
2110 */
2111 struct v4l2_plane_pix_format {
2112 __u32 sizeimage;
2113 __u32 bytesperline;
2114 __u16 reserved[6];
2115 } __attribute__ ((packed));
2116
2117 /**
2118 * struct v4l2_pix_format_mplane - multiplanar format definition
2119 * @width: image width in pixels
2120 * @height: image height in pixels
2121 * @pixelformat: little endian four character code (fourcc)
2122 * @field: enum v4l2_field; field order (for interlaced video)
2123 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2124 * @plane_fmt: per-plane information
2125 * @num_planes: number of planes for this format
2126 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2127 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2128 * @quantization: enum v4l2_quantization, colorspace quantization
2129 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2130 */
2131 struct v4l2_pix_format_mplane {
2132 __u32 width;
2133 __u32 height;
2134 __u32 pixelformat;
2135 __u32 field;
2136 __u32 colorspace;
2137
2138 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2139 __u8 num_planes;
2140 __u8 flags;
2141 union {
2142 __u8 ycbcr_enc;
2143 __u8 hsv_enc;
2144 };
2145 __u8 quantization;
2146 __u8 xfer_func;
2147 __u8 reserved[7];
2148 } __attribute__ ((packed));
2149
2150 /**
2151 * struct v4l2_sdr_format - SDR format definition
2152 * @pixelformat: little endian four character code (fourcc)
2153 * @buffersize: maximum size in bytes required for data
2154 */
2155 struct v4l2_sdr_format {
2156 __u32 pixelformat;
2157 __u32 buffersize;
2158 __u8 reserved[24];
2159 } __attribute__ ((packed));
2160
2161 /**
2162 * struct v4l2_meta_format - metadata format definition
2163 * @dataformat: little endian four character code (fourcc)
2164 * @buffersize: maximum size in bytes required for data
2165 */
2166 struct v4l2_meta_format {
2167 __u32 dataformat;
2168 __u32 buffersize;
2169 } __attribute__ ((packed));
2170
2171 /**
2172 * struct v4l2_format - stream data format
2173 * @type: enum v4l2_buf_type; type of the data stream
2174 * @pix: definition of an image format
2175 * @pix_mp: definition of a multiplanar image format
2176 * @win: definition of an overlaid image
2177 * @vbi: raw VBI capture or output parameters
2178 * @sliced: sliced VBI capture or output parameters
2179 * @raw_data: placeholder for future extensions and custom formats
2180 */
2181 struct v4l2_format {
2182 __u32 type;
2183 union {
2184 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2185 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2186 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2187 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2188 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2189 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2190 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2191 __u8 raw_data[200]; /* user-defined */
2192 } fmt;
2193 };
2194
2195 /* Stream type-dependent parameters
2196 */
2197 struct v4l2_streamparm {
2198 __u32 type; /* enum v4l2_buf_type */
2199 union {
2200 struct v4l2_captureparm capture;
2201 struct v4l2_outputparm output;
2202 __u8 raw_data[200]; /* user-defined */
2203 } parm;
2204 };
2205
2206 /*
2207 * E V E N T S
2208 */
2209
2210 #define V4L2_EVENT_ALL 0
2211 #define V4L2_EVENT_VSYNC 1
2212 #define V4L2_EVENT_EOS 2
2213 #define V4L2_EVENT_CTRL 3
2214 #define V4L2_EVENT_FRAME_SYNC 4
2215 #define V4L2_EVENT_SOURCE_CHANGE 5
2216 #define V4L2_EVENT_MOTION_DET 6
2217 #define V4L2_EVENT_PRIVATE_START 0x08000000
2218
2219 /* Payload for V4L2_EVENT_VSYNC */
2220 struct v4l2_event_vsync {
2221 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2222 __u8 field;
2223 } __attribute__ ((packed));
2224
2225 /* Payload for V4L2_EVENT_CTRL */
2226 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2227 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2228 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2229
2230 struct v4l2_event_ctrl {
2231 __u32 changes;
2232 __u32 type;
2233 union {
2234 __s32 value;
2235 __s64 value64;
2236 };
2237 __u32 flags;
2238 __s32 minimum;
2239 __s32 maximum;
2240 __s32 step;
2241 __s32 default_value;
2242 };
2243
2244 struct v4l2_event_frame_sync {
2245 __u32 frame_sequence;
2246 };
2247
2248 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2249
2250 struct v4l2_event_src_change {
2251 __u32 changes;
2252 };
2253
2254 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2255
2256 /**
2257 * struct v4l2_event_motion_det - motion detection event
2258 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2259 * frame_sequence field is valid.
2260 * @frame_sequence: the frame sequence number associated with this event.
2261 * @region_mask: which regions detected motion.
2262 */
2263 struct v4l2_event_motion_det {
2264 __u32 flags;
2265 __u32 frame_sequence;
2266 __u32 region_mask;
2267 };
2268
2269 struct v4l2_event {
2270 __u32 type;
2271 union {
2272 struct v4l2_event_vsync vsync;
2273 struct v4l2_event_ctrl ctrl;
2274 struct v4l2_event_frame_sync frame_sync;
2275 struct v4l2_event_src_change src_change;
2276 struct v4l2_event_motion_det motion_det;
2277 __u8 data[64];
2278 } u;
2279 __u32 pending;
2280 __u32 sequence;
2281 struct timespec timestamp;
2282 __u32 id;
2283 __u32 reserved[8];
2284 };
2285
2286 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2287 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2288
2289 struct v4l2_event_subscription {
2290 __u32 type;
2291 __u32 id;
2292 __u32 flags;
2293 __u32 reserved[5];
2294 };
2295
2296 /*
2297 * A D V A N C E D D E B U G G I N G
2298 *
2299 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2300 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2301 */
2302
2303 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2304
2305 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2306 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2307
2308 /* The following four defines are no longer in use */
2309 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2310 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2311 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2312 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2313
2314 struct v4l2_dbg_match {
2315 __u32 type; /* Match type */
2316 union { /* Match this chip, meaning determined by type */
2317 __u32 addr;
2318 char name[32];
2319 };
2320 } __attribute__ ((packed));
2321
2322 struct v4l2_dbg_register {
2323 struct v4l2_dbg_match match;
2324 __u32 size; /* register size in bytes */
2325 __u64 reg;
2326 __u64 val;
2327 } __attribute__ ((packed));
2328
2329 #define V4L2_CHIP_FL_READABLE (1 << 0)
2330 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2331
2332 /* VIDIOC_DBG_G_CHIP_INFO */
2333 struct v4l2_dbg_chip_info {
2334 struct v4l2_dbg_match match;
2335 char name[32];
2336 __u32 flags;
2337 __u32 reserved[32];
2338 } __attribute__ ((packed));
2339
2340 /**
2341 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2342 * @index: on return, index of the first created buffer
2343 * @count: entry: number of requested buffers,
2344 * return: number of created buffers
2345 * @memory: enum v4l2_memory; buffer memory type
2346 * @format: frame format, for which buffers are requested
2347 * @capabilities: capabilities of this buffer type.
2348 * @reserved: future extensions
2349 */
2350 struct v4l2_create_buffers {
2351 __u32 index;
2352 __u32 count;
2353 __u32 memory;
2354 struct v4l2_format format;
2355 __u32 capabilities;
2356 __u32 reserved[7];
2357 };
2358
2359 /*
2360 * 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
2361 *
2362 */
2363 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2364 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2365 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2366 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2367 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2368 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2369 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2370 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2371 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2372 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2373 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2374 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2375 #define VIDIOC_STREAMON _IOW('V', 18, int)
2376 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2377 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2378 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2379 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2380 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2381 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2382 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2383 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2384 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2385 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2386 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2387 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2388 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2389 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2390 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2391 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2392 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2393 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2394 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2395 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2396 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2397 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2398 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2399 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2400 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2401 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2402 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2403 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2404 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2405 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2406 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2407 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2408 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2409 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2410 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2411 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2412 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2413 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2414 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2415 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2416 #define VIDIOC_LOG_STATUS _IO('V', 70)
2417 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2418 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2419 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2420 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2421 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2422 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2423 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2424 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2425
2426 /*
2427 * Experimental, meant for debugging, testing and internal use.
2428 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2429 * You must be root to use these ioctls. Never use these in applications!
2430 */
2431 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2432 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2433
2434 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2435 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2436 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2437 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2438 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2439 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2440 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2441 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2442 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2443 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2444 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2445 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2446 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2447 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2448 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2449 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2450
2451 /*
2452 * Experimental, meant for debugging, testing and internal use.
2453 * Never use this in applications!
2454 */
2455 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2456
2457 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2458
2459 /* Reminder: when adding new ioctls please add support for them to
2460 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2461
2462 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2463
2464 #endif /* _UAPI__LINUX_VIDEODEV2_H */
Ubuntu Disco kernel mirror for Proxmox VE and PMG