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1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
2 /*
3 * Video for Linux Two header file
4 *
5 * Copyright (C) 1999-2012 the contributors
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * Alternatively you can redistribute this file under the terms of the
18 * BSD license as stated below:
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in
27 * the documentation and/or other materials provided with the
28 * distribution.
29 * 3. The names of its contributors may not be used to endorse or promote
30 * products derived from this software without specific prior written
31 * permission.
32 *
33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44 *
45 * Header file for v4l or V4L2 drivers and applications
46 * with public API.
47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so
48 * no #if __KERNEL tests are allowed here
49 *
50 * See https://linuxtv.org for more info
51 *
52 * Author: Bill Dirks <bill@thedirks.org>
53 * Justin Schoeman
54 * Hans Verkuil <hverkuil@xs4all.nl>
55 * et al.
56 */
57 #ifndef _UAPI__LINUX_VIDEODEV2_H
58 #define _UAPI__LINUX_VIDEODEV2_H
59
60 #ifndef __KERNEL__
61 #include <sys/time.h>
62 #endif
63 #include <linux/compiler.h>
64 #include <linux/ioctl.h>
65 #include <linux/types.h>
66 #include <linux/v4l2-common.h>
67 #include <linux/v4l2-controls.h>
68
69 /*
70 * Common stuff for both V4L1 and V4L2
71 * Moved from videodev.h
72 */
73 #define VIDEO_MAX_FRAME 32
74 #define VIDEO_MAX_PLANES 8
75
76 /*
77 * M I S C E L L A N E O U S
78 */
79
80 /* Four-character-code (FOURCC) */
81 #define v4l2_fourcc(a, b, c, d)\
82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
83 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31))
84
85 /*
86 * E N U M S
87 */
88 enum v4l2_field {
89 V4L2_FIELD_ANY = 0, /* driver can choose from none,
90 top, bottom, interlaced
91 depending on whatever it thinks
92 is approximate ... */
93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
94 V4L2_FIELD_TOP = 2, /* top field only */
95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
98 buffer, top-bottom order */
99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
101 separate buffers */
102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
103 first and the top field is
104 transmitted first */
105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
106 first and the bottom field is
107 transmitted first */
108 };
109 #define V4L2_FIELD_HAS_TOP(field) \
110 ((field) == V4L2_FIELD_TOP ||\
111 (field) == V4L2_FIELD_INTERLACED ||\
112 (field) == V4L2_FIELD_INTERLACED_TB ||\
113 (field) == V4L2_FIELD_INTERLACED_BT ||\
114 (field) == V4L2_FIELD_SEQ_TB ||\
115 (field) == V4L2_FIELD_SEQ_BT)
116 #define V4L2_FIELD_HAS_BOTTOM(field) \
117 ((field) == V4L2_FIELD_BOTTOM ||\
118 (field) == V4L2_FIELD_INTERLACED ||\
119 (field) == V4L2_FIELD_INTERLACED_TB ||\
120 (field) == V4L2_FIELD_INTERLACED_BT ||\
121 (field) == V4L2_FIELD_SEQ_TB ||\
122 (field) == V4L2_FIELD_SEQ_BT)
123 #define V4L2_FIELD_HAS_BOTH(field) \
124 ((field) == V4L2_FIELD_INTERLACED ||\
125 (field) == V4L2_FIELD_INTERLACED_TB ||\
126 (field) == V4L2_FIELD_INTERLACED_BT ||\
127 (field) == V4L2_FIELD_SEQ_TB ||\
128 (field) == V4L2_FIELD_SEQ_BT)
129 #define V4L2_FIELD_HAS_T_OR_B(field) \
130 ((field) == V4L2_FIELD_BOTTOM ||\
131 (field) == V4L2_FIELD_TOP ||\
132 (field) == V4L2_FIELD_ALTERNATE)
133 #define V4L2_FIELD_IS_INTERLACED(field) \
134 ((field) == V4L2_FIELD_INTERLACED ||\
135 (field) == V4L2_FIELD_INTERLACED_TB ||\
136 (field) == V4L2_FIELD_INTERLACED_BT)
137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \
138 ((field) == V4L2_FIELD_SEQ_TB ||\
139 (field) == V4L2_FIELD_SEQ_BT)
140
141 enum v4l2_buf_type {
142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
145 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
146 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
152 V4L2_BUF_TYPE_SDR_CAPTURE = 11,
153 V4L2_BUF_TYPE_SDR_OUTPUT = 12,
154 V4L2_BUF_TYPE_META_CAPTURE = 13,
155 V4L2_BUF_TYPE_META_OUTPUT = 14,
156 /* Deprecated, do not use */
157 V4L2_BUF_TYPE_PRIVATE = 0x80,
158 };
159
160 #define V4L2_TYPE_IS_MULTIPLANAR(type) \
161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
163
164 #define V4L2_TYPE_IS_OUTPUT(type) \
165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
172 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
173
174 enum v4l2_tuner_type {
175 V4L2_TUNER_RADIO = 1,
176 V4L2_TUNER_ANALOG_TV = 2,
177 V4L2_TUNER_DIGITAL_TV = 3,
178 V4L2_TUNER_SDR = 4,
179 V4L2_TUNER_RF = 5,
180 };
181
182 /* Deprecated, do not use */
183 #define V4L2_TUNER_ADC V4L2_TUNER_SDR
184
185 enum v4l2_memory {
186 V4L2_MEMORY_MMAP = 1,
187 V4L2_MEMORY_USERPTR = 2,
188 V4L2_MEMORY_OVERLAY = 3,
189 V4L2_MEMORY_DMABUF = 4,
190 };
191
192 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
193 enum v4l2_colorspace {
194 /*
195 * Default colorspace, i.e. let the driver figure it out.
196 * Can only be used with video capture.
197 */
198 V4L2_COLORSPACE_DEFAULT = 0,
199
200 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
201 V4L2_COLORSPACE_SMPTE170M = 1,
202
203 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
204 V4L2_COLORSPACE_SMPTE240M = 2,
205
206 /* Rec.709: used for HDTV */
207 V4L2_COLORSPACE_REC709 = 3,
208
209 /*
210 * Deprecated, do not use. No driver will ever return this. This was
211 * based on a misunderstanding of the bt878 datasheet.
212 */
213 V4L2_COLORSPACE_BT878 = 4,
214
215 /*
216 * NTSC 1953 colorspace. This only makes sense when dealing with
217 * really, really old NTSC recordings. Superseded by SMPTE 170M.
218 */
219 V4L2_COLORSPACE_470_SYSTEM_M = 5,
220
221 /*
222 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
223 * dealing with really old PAL/SECAM recordings. Superseded by
224 * SMPTE 170M.
225 */
226 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
227
228 /*
229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
231 */
232 V4L2_COLORSPACE_JPEG = 7,
233
234 /* For RGB colorspaces such as produces by most webcams. */
235 V4L2_COLORSPACE_SRGB = 8,
236
237 /* opRGB colorspace */
238 V4L2_COLORSPACE_OPRGB = 9,
239
240 /* BT.2020 colorspace, used for UHDTV. */
241 V4L2_COLORSPACE_BT2020 = 10,
242
243 /* Raw colorspace: for RAW unprocessed images */
244 V4L2_COLORSPACE_RAW = 11,
245
246 /* DCI-P3 colorspace, used by cinema projectors */
247 V4L2_COLORSPACE_DCI_P3 = 12,
248 };
249
250 /*
251 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
252 * This depends on whether this is a SDTV image (use SMPTE 170M), an
253 * HDTV image (use Rec. 709), or something else (use sRGB).
254 */
255 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
256 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
257 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
258
259 enum v4l2_xfer_func {
260 /*
261 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
262 * for the various colorspaces:
263 *
264 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
265 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
266 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
267 *
268 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
269 *
270 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
271 *
272 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
273 *
274 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
275 *
276 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
277 */
278 V4L2_XFER_FUNC_DEFAULT = 0,
279 V4L2_XFER_FUNC_709 = 1,
280 V4L2_XFER_FUNC_SRGB = 2,
281 V4L2_XFER_FUNC_OPRGB = 3,
282 V4L2_XFER_FUNC_SMPTE240M = 4,
283 V4L2_XFER_FUNC_NONE = 5,
284 V4L2_XFER_FUNC_DCI_P3 = 6,
285 V4L2_XFER_FUNC_SMPTE2084 = 7,
286 };
287
288 /*
289 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
290 * This depends on the colorspace.
291 */
292 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
293 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
294 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
295 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
296 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
297 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
298 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
299
300 enum v4l2_ycbcr_encoding {
301 /*
302 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
303 * various colorspaces:
304 *
305 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
306 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
307 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
308 *
309 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
310 *
311 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
312 *
313 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
314 */
315 V4L2_YCBCR_ENC_DEFAULT = 0,
316
317 /* ITU-R 601 -- SDTV */
318 V4L2_YCBCR_ENC_601 = 1,
319
320 /* Rec. 709 -- HDTV */
321 V4L2_YCBCR_ENC_709 = 2,
322
323 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
324 V4L2_YCBCR_ENC_XV601 = 3,
325
326 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
327 V4L2_YCBCR_ENC_XV709 = 4,
328
329 #ifndef __KERNEL__
330 /*
331 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
332 * originally due to a misunderstanding of the sYCC standard. It should
333 * not be used, instead use V4L2_YCBCR_ENC_601.
334 */
335 V4L2_YCBCR_ENC_SYCC = 5,
336 #endif
337
338 /* BT.2020 Non-constant Luminance Y'CbCr */
339 V4L2_YCBCR_ENC_BT2020 = 6,
340
341 /* BT.2020 Constant Luminance Y'CbcCrc */
342 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
343
344 /* SMPTE 240M -- Obsolete HDTV */
345 V4L2_YCBCR_ENC_SMPTE240M = 8,
346 };
347
348 /*
349 * enum v4l2_hsv_encoding values should not collide with the ones from
350 * enum v4l2_ycbcr_encoding.
351 */
352 enum v4l2_hsv_encoding {
353
354 /* Hue mapped to 0 - 179 */
355 V4L2_HSV_ENC_180 = 128,
356
357 /* Hue mapped to 0-255 */
358 V4L2_HSV_ENC_256 = 129,
359 };
360
361 /*
362 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
363 * This depends on the colorspace.
364 */
365 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
366 (((colsp) == V4L2_COLORSPACE_REC709 || \
367 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
368 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
369 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
370 V4L2_YCBCR_ENC_601)))
371
372 enum v4l2_quantization {
373 /*
374 * The default for R'G'B' quantization is always full range, except
375 * for the BT2020 colorspace. For Y'CbCr the quantization is always
376 * limited range, except for COLORSPACE_JPEG: this is full range.
377 */
378 V4L2_QUANTIZATION_DEFAULT = 0,
379 V4L2_QUANTIZATION_FULL_RANGE = 1,
380 V4L2_QUANTIZATION_LIM_RANGE = 2,
381 };
382
383 /*
384 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
385 * This depends on whether the image is RGB or not, the colorspace and the
386 * Y'CbCr encoding.
387 */
388 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
389 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
390 V4L2_QUANTIZATION_LIM_RANGE : \
391 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
392 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
393
394 /*
395 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
396 *
397 * WARNING: Please don't use these deprecated defines in your code, as
398 * there is a chance we have to remove them in the future.
399 */
400 #ifndef __KERNEL__
401 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
402 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
403 #endif
404
405 enum v4l2_priority {
406 V4L2_PRIORITY_UNSET = 0, /* not initialized */
407 V4L2_PRIORITY_BACKGROUND = 1,
408 V4L2_PRIORITY_INTERACTIVE = 2,
409 V4L2_PRIORITY_RECORD = 3,
410 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
411 };
412
413 struct v4l2_rect {
414 __s32 left;
415 __s32 top;
416 __u32 width;
417 __u32 height;
418 };
419
420 struct v4l2_fract {
421 __u32 numerator;
422 __u32 denominator;
423 };
424
425 /**
426 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
427 *
428 * @driver: name of the driver module (e.g. "bttv")
429 * @card: name of the card (e.g. "Hauppauge WinTV")
430 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
431 * @version: KERNEL_VERSION
432 * @capabilities: capabilities of the physical device as a whole
433 * @device_caps: capabilities accessed via this particular device (node)
434 * @reserved: reserved fields for future extensions
435 */
436 struct v4l2_capability {
437 __u8 driver[16];
438 __u8 card[32];
439 __u8 bus_info[32];
440 __u32 version;
441 __u32 capabilities;
442 __u32 device_caps;
443 __u32 reserved[3];
444 };
445
446 /* Values for 'capabilities' field */
447 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
448 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
449 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
450 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
451 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
452 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
453 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
454 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
455 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
456 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
457 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
458
459 /* Is a video capture device that supports multiplanar formats */
460 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
461 /* Is a video output device that supports multiplanar formats */
462 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
463 /* Is a video mem-to-mem device that supports multiplanar formats */
464 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
465 /* Is a video mem-to-mem device */
466 #define V4L2_CAP_VIDEO_M2M 0x00008000
467
468 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
469 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
470 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
471 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
472
473 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
474 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
475 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
476 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
477
478 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
479 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
480 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
481 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
482
483 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
484
485 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
486
487 /*
488 * V I D E O I M A G E F O R M A T
489 */
490 struct v4l2_pix_format {
491 __u32 width;
492 __u32 height;
493 __u32 pixelformat;
494 __u32 field; /* enum v4l2_field */
495 __u32 bytesperline; /* for padding, zero if unused */
496 __u32 sizeimage;
497 __u32 colorspace; /* enum v4l2_colorspace */
498 __u32 priv; /* private data, depends on pixelformat */
499 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
500 union {
501 /* enum v4l2_ycbcr_encoding */
502 __u32 ycbcr_enc;
503 /* enum v4l2_hsv_encoding */
504 __u32 hsv_enc;
505 };
506 __u32 quantization; /* enum v4l2_quantization */
507 __u32 xfer_func; /* enum v4l2_xfer_func */
508 };
509
510 /* Pixel format FOURCC depth Description */
511
512 /* RGB formats */
513 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
514 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
515 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
516 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
517 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
518 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
519 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
520 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
521
522 /*
523 * Originally this had 'BA12' as fourcc, but this clashed with the older
524 * V4L2_PIX_FMT_SGRBG12 which inexplicably used that same fourcc.
525 * So use 'GA12' instead for V4L2_PIX_FMT_BGRA444.
526 */
527 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
528 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
529 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
530 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
531 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
532 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
533 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
534 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
535 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
536 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
537 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
538 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
539 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
540 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
541 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
542 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
543 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
544 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
545 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
546 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
547 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
548 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
549 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
550 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
551 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
552 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
553 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
554 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
555 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
556
557 /* Grey formats */
558 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
559 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
560 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
561 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
562 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
563 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
564 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
565
566 /* Grey bit-packed formats */
567 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
568 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
569
570 /* Palette formats */
571 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
572
573 /* Chrominance formats */
574 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
575
576 /* Luminance+Chrominance formats */
577 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
578 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
579 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
580 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
581 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
582 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
583 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
584 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
585 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
586 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
587 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
588 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
589 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
590 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
591 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
592 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
593 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
594
595 /* two planes -- one Y, one Cr + Cb interleaved */
596 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
597 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
598 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
599 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
600 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
601 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
602
603 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
604 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
605 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
606 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
607 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
608 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
609 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
610
611 /* three planes - Y Cb, Cr */
612 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
613 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
614 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
615 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
616 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
617 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
618
619 /* three non contiguous planes - Y, Cb, Cr */
620 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
621 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
622 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
623 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
624 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
625 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
626
627 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
628 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
629 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
630 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
631 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
632 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
633 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
634 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
635 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
636 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
637 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
638 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
639 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
640 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
641 /* 10bit raw bayer a-law compressed to 8 bits */
642 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
643 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
644 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
645 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
646 /* 10bit raw bayer DPCM compressed to 8 bits */
647 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
648 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
649 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
650 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
651 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
652 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
653 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
654 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
655 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
656 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
657 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
658 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
659 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
660 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
661 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
662 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
663 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
664 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
665 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
666 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
667 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
668 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
669
670 /* HSV formats */
671 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
672 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
673
674 /* compressed formats */
675 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
676 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
677 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
678 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
679 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
680 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
681 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
682 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
683 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
684 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
685 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
686 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
687 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
688 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
689 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
690 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
691 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
692 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
693 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
694 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
695
696 /* Vendor-specific formats */
697 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
698 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
699 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
700 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
701 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
702 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
703 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
704 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
705 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
706 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
707 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
708 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
709 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
710 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
711 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
712 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
713 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
714 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
715 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
716 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
717 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
718 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
719 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
720 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
721 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
722 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
723 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
724 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
725 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
726 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
727 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
728 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */
729 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
730
731 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
732 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
733 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
734 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
735 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
736
737 /* SDR formats - used only for Software Defined Radio devices */
738 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
739 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
740 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
741 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
742 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
743 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
744 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
745 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
746
747 /* Touch formats - used for Touch devices */
748 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
749 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
750 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
751 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
752
753 /* Meta-data formats */
754 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
755 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
756 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
757 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
758
759 /* priv field value to indicates that subsequent fields are valid. */
760 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
761
762 /* Flags */
763 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
764
765 /*
766 * F O R M A T E N U M E R A T I O N
767 */
768 struct v4l2_fmtdesc {
769 __u32 index; /* Format number */
770 __u32 type; /* enum v4l2_buf_type */
771 __u32 flags;
772 __u8 description[32]; /* Description string */
773 __u32 pixelformat; /* Format fourcc */
774 __u32 reserved[4];
775 };
776
777 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
778 #define V4L2_FMT_FLAG_EMULATED 0x0002
779
780 /* Frame Size and frame rate enumeration */
781 /*
782 * F R A M E S I Z E E N U M E R A T I O N
783 */
784 enum v4l2_frmsizetypes {
785 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
786 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
787 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
788 };
789
790 struct v4l2_frmsize_discrete {
791 __u32 width; /* Frame width [pixel] */
792 __u32 height; /* Frame height [pixel] */
793 };
794
795 struct v4l2_frmsize_stepwise {
796 __u32 min_width; /* Minimum frame width [pixel] */
797 __u32 max_width; /* Maximum frame width [pixel] */
798 __u32 step_width; /* Frame width step size [pixel] */
799 __u32 min_height; /* Minimum frame height [pixel] */
800 __u32 max_height; /* Maximum frame height [pixel] */
801 __u32 step_height; /* Frame height step size [pixel] */
802 };
803
804 struct v4l2_frmsizeenum {
805 __u32 index; /* Frame size number */
806 __u32 pixel_format; /* Pixel format */
807 __u32 type; /* Frame size type the device supports. */
808
809 union { /* Frame size */
810 struct v4l2_frmsize_discrete discrete;
811 struct v4l2_frmsize_stepwise stepwise;
812 };
813
814 __u32 reserved[2]; /* Reserved space for future use */
815 };
816
817 /*
818 * F R A M E R A T E E N U M E R A T I O N
819 */
820 enum v4l2_frmivaltypes {
821 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
822 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
823 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
824 };
825
826 struct v4l2_frmival_stepwise {
827 struct v4l2_fract min; /* Minimum frame interval [s] */
828 struct v4l2_fract max; /* Maximum frame interval [s] */
829 struct v4l2_fract step; /* Frame interval step size [s] */
830 };
831
832 struct v4l2_frmivalenum {
833 __u32 index; /* Frame format index */
834 __u32 pixel_format; /* Pixel format */
835 __u32 width; /* Frame width */
836 __u32 height; /* Frame height */
837 __u32 type; /* Frame interval type the device supports. */
838
839 union { /* Frame interval */
840 struct v4l2_fract discrete;
841 struct v4l2_frmival_stepwise stepwise;
842 };
843
844 __u32 reserved[2]; /* Reserved space for future use */
845 };
846
847 /*
848 * T I M E C O D E
849 */
850 struct v4l2_timecode {
851 __u32 type;
852 __u32 flags;
853 __u8 frames;
854 __u8 seconds;
855 __u8 minutes;
856 __u8 hours;
857 __u8 userbits[4];
858 };
859
860 /* Type */
861 #define V4L2_TC_TYPE_24FPS 1
862 #define V4L2_TC_TYPE_25FPS 2
863 #define V4L2_TC_TYPE_30FPS 3
864 #define V4L2_TC_TYPE_50FPS 4
865 #define V4L2_TC_TYPE_60FPS 5
866
867 /* Flags */
868 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
869 #define V4L2_TC_FLAG_COLORFRAME 0x0002
870 #define V4L2_TC_USERBITS_field 0x000C
871 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
872 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
873 /* The above is based on SMPTE timecodes */
874
875 struct v4l2_jpegcompression {
876 int quality;
877
878 int APPn; /* Number of APP segment to be written,
879 * must be 0..15 */
880 int APP_len; /* Length of data in JPEG APPn segment */
881 char APP_data[60]; /* Data in the JPEG APPn segment. */
882
883 int COM_len; /* Length of data in JPEG COM segment */
884 char COM_data[60]; /* Data in JPEG COM segment */
885
886 __u32 jpeg_markers; /* Which markers should go into the JPEG
887 * output. Unless you exactly know what
888 * you do, leave them untouched.
889 * Including less markers will make the
890 * resulting code smaller, but there will
891 * be fewer applications which can read it.
892 * The presence of the APP and COM marker
893 * is influenced by APP_len and COM_len
894 * ONLY, not by this property! */
895
896 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
897 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
898 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
899 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
900 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
901 * always use APP0 */
902 };
903
904 /*
905 * M E M O R Y - M A P P I N G B U F F E R S
906 */
907 struct v4l2_requestbuffers {
908 __u32 count;
909 __u32 type; /* enum v4l2_buf_type */
910 __u32 memory; /* enum v4l2_memory */
911 __u32 capabilities;
912 __u32 reserved[1];
913 };
914
915 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
916 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
917 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
918 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
919 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
920 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
921
922 /**
923 * struct v4l2_plane - plane info for multi-planar buffers
924 * @bytesused: number of bytes occupied by data in the plane (payload)
925 * @length: size of this plane (NOT the payload) in bytes
926 * @mem_offset: when memory in the associated struct v4l2_buffer is
927 * V4L2_MEMORY_MMAP, equals the offset from the start of
928 * the device memory for this plane (or is a "cookie" that
929 * should be passed to mmap() called on the video node)
930 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
931 * pointing to this plane
932 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
933 * descriptor associated with this plane
934 * @data_offset: offset in the plane to the start of data; usually 0,
935 * unless there is a header in front of the data
936 *
937 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
938 * with two planes can have one plane for Y, and another for interleaved CbCr
939 * components. Each plane can reside in a separate memory buffer, or even in
940 * a completely separate memory node (e.g. in embedded devices).
941 */
942 struct v4l2_plane {
943 __u32 bytesused;
944 __u32 length;
945 union {
946 __u32 mem_offset;
947 unsigned long userptr;
948 __s32 fd;
949 } m;
950 __u32 data_offset;
951 __u32 reserved[11];
952 };
953
954 /**
955 * struct v4l2_buffer - video buffer info
956 * @index: id number of the buffer
957 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
958 * multiplanar buffers);
959 * @bytesused: number of bytes occupied by data in the buffer (payload);
960 * unused (set to 0) for multiplanar buffers
961 * @flags: buffer informational flags
962 * @field: enum v4l2_field; field order of the image in the buffer
963 * @timestamp: frame timestamp
964 * @timecode: frame timecode
965 * @sequence: sequence count of this frame
966 * @memory: enum v4l2_memory; the method, in which the actual video data is
967 * passed
968 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
969 * offset from the start of the device memory for this plane,
970 * (or a "cookie" that should be passed to mmap() as offset)
971 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
972 * a userspace pointer pointing to this buffer
973 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
974 * a userspace file descriptor associated with this buffer
975 * @planes: for multiplanar buffers; userspace pointer to the array of plane
976 * info structs for this buffer
977 * @length: size in bytes of the buffer (NOT its payload) for single-plane
978 * buffers (when type != *_MPLANE); number of elements in the
979 * planes array for multi-plane buffers
980 * @request_fd: fd of the request that this buffer should use
981 *
982 * Contains data exchanged by application and driver using one of the Streaming
983 * I/O methods.
984 */
985 struct v4l2_buffer {
986 __u32 index;
987 __u32 type;
988 __u32 bytesused;
989 __u32 flags;
990 __u32 field;
991 struct timeval timestamp;
992 struct v4l2_timecode timecode;
993 __u32 sequence;
994
995 /* memory location */
996 __u32 memory;
997 union {
998 __u32 offset;
999 unsigned long userptr;
1000 struct v4l2_plane *planes;
1001 __s32 fd;
1002 } m;
1003 __u32 length;
1004 __u32 reserved2;
1005 union {
1006 __s32 request_fd;
1007 __u32 reserved;
1008 };
1009 };
1010
1011 /**
1012 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1013 * @ts: pointer to the timeval variable to be converted
1014 *
1015 * Returns the scalar nanosecond representation of the timeval
1016 * parameter.
1017 */
1018 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1019 {
1020 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1021 }
1022
1023 /* Flags for 'flags' field */
1024 /* Buffer is mapped (flag) */
1025 #define V4L2_BUF_FLAG_MAPPED 0x00000001
1026 /* Buffer is queued for processing */
1027 #define V4L2_BUF_FLAG_QUEUED 0x00000002
1028 /* Buffer is ready */
1029 #define V4L2_BUF_FLAG_DONE 0x00000004
1030 /* Image is a keyframe (I-frame) */
1031 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1032 /* Image is a P-frame */
1033 #define V4L2_BUF_FLAG_PFRAME 0x00000010
1034 /* Image is a B-frame */
1035 #define V4L2_BUF_FLAG_BFRAME 0x00000020
1036 /* Buffer is ready, but the data contained within is corrupted. */
1037 #define V4L2_BUF_FLAG_ERROR 0x00000040
1038 /* Buffer is added to an unqueued request */
1039 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1040 /* timecode field is valid */
1041 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
1042 /* Buffer is prepared for queuing */
1043 #define V4L2_BUF_FLAG_PREPARED 0x00000400
1044 /* Cache handling flags */
1045 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1046 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1047 /* Timestamp type */
1048 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1049 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1050 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1051 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1052 /* Timestamp sources. */
1053 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1054 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1055 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1056 /* mem2mem encoder/decoder */
1057 #define V4L2_BUF_FLAG_LAST 0x00100000
1058 /* request_fd is valid */
1059 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1060
1061 /**
1062 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1063 *
1064 * @index: id number of the buffer
1065 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1066 * multiplanar buffers);
1067 * @plane: index of the plane to be exported, 0 for single plane queues
1068 * @flags: flags for newly created file, currently only O_CLOEXEC is
1069 * supported, refer to manual of open syscall for more details
1070 * @fd: file descriptor associated with DMABUF (set by driver)
1071 *
1072 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1073 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1074 * (identical to the cookie used to mmap() the buffer to userspace). All
1075 * reserved fields must be set to zero. The field reserved0 is expected to
1076 * become a structure 'type' allowing an alternative layout of the structure
1077 * content. Therefore this field should not be used for any other extensions.
1078 */
1079 struct v4l2_exportbuffer {
1080 __u32 type; /* enum v4l2_buf_type */
1081 __u32 index;
1082 __u32 plane;
1083 __u32 flags;
1084 __s32 fd;
1085 __u32 reserved[11];
1086 };
1087
1088 /*
1089 * O V E R L A Y P R E V I E W
1090 */
1091 struct v4l2_framebuffer {
1092 __u32 capability;
1093 __u32 flags;
1094 /* FIXME: in theory we should pass something like PCI device + memory
1095 * region + offset instead of some physical address */
1096 void *base;
1097 struct {
1098 __u32 width;
1099 __u32 height;
1100 __u32 pixelformat;
1101 __u32 field; /* enum v4l2_field */
1102 __u32 bytesperline; /* for padding, zero if unused */
1103 __u32 sizeimage;
1104 __u32 colorspace; /* enum v4l2_colorspace */
1105 __u32 priv; /* reserved field, set to 0 */
1106 } fmt;
1107 };
1108 /* Flags for the 'capability' field. Read only */
1109 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1110 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1111 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1112 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1113 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1114 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1115 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1116 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1117 /* Flags for the 'flags' field. */
1118 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
1119 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
1120 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1121 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1122 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1123 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1124 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1125
1126 struct v4l2_clip {
1127 struct v4l2_rect c;
1128 struct v4l2_clip __user *next;
1129 };
1130
1131 struct v4l2_window {
1132 struct v4l2_rect w;
1133 __u32 field; /* enum v4l2_field */
1134 __u32 chromakey;
1135 struct v4l2_clip __user *clips;
1136 __u32 clipcount;
1137 void __user *bitmap;
1138 __u8 global_alpha;
1139 };
1140
1141 /*
1142 * C A P T U R E P A R A M E T E R S
1143 */
1144 struct v4l2_captureparm {
1145 __u32 capability; /* Supported modes */
1146 __u32 capturemode; /* Current mode */
1147 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1148 __u32 extendedmode; /* Driver-specific extensions */
1149 __u32 readbuffers; /* # of buffers for read */
1150 __u32 reserved[4];
1151 };
1152
1153 /* Flags for 'capability' and 'capturemode' fields */
1154 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1155 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1156
1157 struct v4l2_outputparm {
1158 __u32 capability; /* Supported modes */
1159 __u32 outputmode; /* Current mode */
1160 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1161 __u32 extendedmode; /* Driver-specific extensions */
1162 __u32 writebuffers; /* # of buffers for write */
1163 __u32 reserved[4];
1164 };
1165
1166 /*
1167 * I N P U T I M A G E C R O P P I N G
1168 */
1169 struct v4l2_cropcap {
1170 __u32 type; /* enum v4l2_buf_type */
1171 struct v4l2_rect bounds;
1172 struct v4l2_rect defrect;
1173 struct v4l2_fract pixelaspect;
1174 };
1175
1176 struct v4l2_crop {
1177 __u32 type; /* enum v4l2_buf_type */
1178 struct v4l2_rect c;
1179 };
1180
1181 /**
1182 * struct v4l2_selection - selection info
1183 * @type: buffer type (do not use *_MPLANE types)
1184 * @target: Selection target, used to choose one of possible rectangles;
1185 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1186 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1187 * @r: coordinates of selection window
1188 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1189 *
1190 * Hardware may use multiple helper windows to process a video stream.
1191 * The structure is used to exchange this selection areas between
1192 * an application and a driver.
1193 */
1194 struct v4l2_selection {
1195 __u32 type;
1196 __u32 target;
1197 __u32 flags;
1198 struct v4l2_rect r;
1199 __u32 reserved[9];
1200 };
1201
1202
1203 /*
1204 * A N A L O G V I D E O S T A N D A R D
1205 */
1206
1207 typedef __u64 v4l2_std_id;
1208
1209 /* one bit for each */
1210 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1211 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1212 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1213 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1214 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1215 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1216 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1217 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1218
1219 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1220 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1221 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1222 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1223
1224 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1225 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1226 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1227 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1228
1229 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1230 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1231 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1232 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1233 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1234 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1235 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1236 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1237
1238 /* ATSC/HDTV */
1239 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1240 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1241
1242 /* FIXME:
1243 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1244 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1245 this value to 32 bits.
1246 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1247 it should work fine. However, if needed to add more than two standards,
1248 v4l2-common.c should be fixed.
1249 */
1250
1251 /*
1252 * Some macros to merge video standards in order to make live easier for the
1253 * drivers and V4L2 applications
1254 */
1255
1256 /*
1257 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1258 * Missing here.
1259 */
1260 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1261 V4L2_STD_NTSC_M_JP |\
1262 V4L2_STD_NTSC_M_KR)
1263 /* Secam macros */
1264 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1265 V4L2_STD_SECAM_K |\
1266 V4L2_STD_SECAM_K1)
1267 /* All Secam Standards */
1268 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1269 V4L2_STD_SECAM_G |\
1270 V4L2_STD_SECAM_H |\
1271 V4L2_STD_SECAM_DK |\
1272 V4L2_STD_SECAM_L |\
1273 V4L2_STD_SECAM_LC)
1274 /* PAL macros */
1275 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1276 V4L2_STD_PAL_B1 |\
1277 V4L2_STD_PAL_G)
1278 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1279 V4L2_STD_PAL_D1 |\
1280 V4L2_STD_PAL_K)
1281 /*
1282 * "Common" PAL - This macro is there to be compatible with the old
1283 * V4L1 concept of "PAL": /BGDKHI.
1284 * Several PAL standards are missing here: /M, /N and /Nc
1285 */
1286 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1287 V4L2_STD_PAL_DK |\
1288 V4L2_STD_PAL_H |\
1289 V4L2_STD_PAL_I)
1290 /* Chroma "agnostic" standards */
1291 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1292 V4L2_STD_PAL_B1 |\
1293 V4L2_STD_SECAM_B)
1294 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1295 V4L2_STD_SECAM_G)
1296 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1297 V4L2_STD_SECAM_H)
1298 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1299 V4L2_STD_SECAM_LC)
1300 #define V4L2_STD_GH (V4L2_STD_G |\
1301 V4L2_STD_H)
1302 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1303 V4L2_STD_SECAM_DK)
1304 #define V4L2_STD_BG (V4L2_STD_B |\
1305 V4L2_STD_G)
1306 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1307 V4L2_STD_PAL_N |\
1308 V4L2_STD_PAL_Nc |\
1309 V4L2_STD_NTSC)
1310
1311 /* Standards where MTS/BTSC stereo could be found */
1312 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1313 V4L2_STD_PAL_M |\
1314 V4L2_STD_PAL_N |\
1315 V4L2_STD_PAL_Nc)
1316
1317 /* Standards for Countries with 60Hz Line frequency */
1318 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1319 V4L2_STD_PAL_60 |\
1320 V4L2_STD_NTSC |\
1321 V4L2_STD_NTSC_443)
1322 /* Standards for Countries with 50Hz Line frequency */
1323 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1324 V4L2_STD_PAL_N |\
1325 V4L2_STD_PAL_Nc |\
1326 V4L2_STD_SECAM)
1327
1328 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1329 V4L2_STD_ATSC_16_VSB)
1330 /* Macros with none and all analog standards */
1331 #define V4L2_STD_UNKNOWN 0
1332 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1333 V4L2_STD_625_50)
1334
1335 struct v4l2_standard {
1336 __u32 index;
1337 v4l2_std_id id;
1338 __u8 name[24];
1339 struct v4l2_fract frameperiod; /* Frames, not fields */
1340 __u32 framelines;
1341 __u32 reserved[4];
1342 };
1343
1344 /*
1345 * D V B T T I M I N G S
1346 */
1347
1348 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1349 * @width: total width of the active video in pixels
1350 * @height: total height of the active video in lines
1351 * @interlaced: Interlaced or progressive
1352 * @polarities: Positive or negative polarities
1353 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1354 * @hfrontporch:Horizontal front porch in pixels
1355 * @hsync: Horizontal Sync length in pixels
1356 * @hbackporch: Horizontal back porch in pixels
1357 * @vfrontporch:Vertical front porch in lines
1358 * @vsync: Vertical Sync length in lines
1359 * @vbackporch: Vertical back porch in lines
1360 * @il_vfrontporch:Vertical front porch for the even field
1361 * (aka field 2) of interlaced field formats
1362 * @il_vsync: Vertical Sync length for the even field
1363 * (aka field 2) of interlaced field formats
1364 * @il_vbackporch:Vertical back porch for the even field
1365 * (aka field 2) of interlaced field formats
1366 * @standards: Standards the timing belongs to
1367 * @flags: Flags
1368 * @picture_aspect: The picture aspect ratio (hor/vert).
1369 * @cea861_vic: VIC code as per the CEA-861 standard.
1370 * @hdmi_vic: VIC code as per the HDMI standard.
1371 * @reserved: Reserved fields, must be zeroed.
1372 *
1373 * A note regarding vertical interlaced timings: height refers to the total
1374 * height of the active video frame (= two fields). The blanking timings refer
1375 * to the blanking of each field. So the height of the total frame is
1376 * calculated as follows:
1377 *
1378 * tot_height = height + vfrontporch + vsync + vbackporch +
1379 * il_vfrontporch + il_vsync + il_vbackporch
1380 *
1381 * The active height of each field is height / 2.
1382 */
1383 struct v4l2_bt_timings {
1384 __u32 width;
1385 __u32 height;
1386 __u32 interlaced;
1387 __u32 polarities;
1388 __u64 pixelclock;
1389 __u32 hfrontporch;
1390 __u32 hsync;
1391 __u32 hbackporch;
1392 __u32 vfrontporch;
1393 __u32 vsync;
1394 __u32 vbackporch;
1395 __u32 il_vfrontporch;
1396 __u32 il_vsync;
1397 __u32 il_vbackporch;
1398 __u32 standards;
1399 __u32 flags;
1400 struct v4l2_fract picture_aspect;
1401 __u8 cea861_vic;
1402 __u8 hdmi_vic;
1403 __u8 reserved[46];
1404 } __attribute__ ((packed));
1405
1406 /* Interlaced or progressive format */
1407 #define V4L2_DV_PROGRESSIVE 0
1408 #define V4L2_DV_INTERLACED 1
1409
1410 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1411 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1412 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1413
1414 /* Timings standards */
1415 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1416 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1417 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1418 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1419 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1420
1421 /* Flags */
1422
1423 /*
1424 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1425 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1426 * intervals are reduced, allowing a higher resolution over the same
1427 * bandwidth. This is a read-only flag.
1428 */
1429 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1430 /*
1431 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1432 * of six. These formats can be optionally played at 1 / 1.001 speed.
1433 * This is a read-only flag.
1434 */
1435 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1436 /*
1437 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1438 * by receivers.
1439 * If the framerate of the format is a multiple of six, then the pixelclock
1440 * used to set up the transmitter is divided by 1.001 to make it compatible
1441 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1442 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1443 * such frequencies, then the flag will also be cleared.
1444 */
1445 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1446 /*
1447 * Specific to interlaced formats: if set, then field 1 is really one half-line
1448 * longer and field 2 is really one half-line shorter, so each field has
1449 * exactly the same number of half-lines. Whether half-lines can be detected
1450 * or used depends on the hardware.
1451 */
1452 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1453 /*
1454 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1455 * differ from other formats (commonly called IT formats) in that if RGB
1456 * encoding is used then by default the RGB values use limited range (i.e.
1457 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1458 * except for the 640x480 format are CE formats.
1459 */
1460 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1461 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1462 * total height. For these formats, if this flag is set, the first
1463 * field has the extra line. If not, it is the second field.
1464 */
1465 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1466 /*
1467 * If set, then the picture_aspect field is valid. Otherwise assume that the
1468 * pixels are square, so the picture aspect ratio is the same as the width to
1469 * height ratio.
1470 */
1471 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1472 /*
1473 * If set, then the cea861_vic field is valid and contains the Video
1474 * Identification Code as per the CEA-861 standard.
1475 */
1476 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1477 /*
1478 * If set, then the hdmi_vic field is valid and contains the Video
1479 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1480 * InfoFrame).
1481 */
1482 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1483 /*
1484 * CEA-861 specific: only valid for video receivers.
1485 * If set, then HW can detect the difference between regular FPS and
1486 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1487 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1488 */
1489 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1490
1491 /* A few useful defines to calculate the total blanking and frame sizes */
1492 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1493 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1494 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1495 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1496 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1497 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1498 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1499 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1500 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1501
1502 /** struct v4l2_dv_timings - DV timings
1503 * @type: the type of the timings
1504 * @bt: BT656/1120 timings
1505 */
1506 struct v4l2_dv_timings {
1507 __u32 type;
1508 union {
1509 struct v4l2_bt_timings bt;
1510 __u32 reserved[32];
1511 };
1512 } __attribute__ ((packed));
1513
1514 /* Values for the type field */
1515 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1516
1517
1518 /** struct v4l2_enum_dv_timings - DV timings enumeration
1519 * @index: enumeration index
1520 * @pad: the pad number for which to enumerate timings (used with
1521 * v4l-subdev nodes only)
1522 * @reserved: must be zeroed
1523 * @timings: the timings for the given index
1524 */
1525 struct v4l2_enum_dv_timings {
1526 __u32 index;
1527 __u32 pad;
1528 __u32 reserved[2];
1529 struct v4l2_dv_timings timings;
1530 };
1531
1532 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1533 * @min_width: width in pixels
1534 * @max_width: width in pixels
1535 * @min_height: height in lines
1536 * @max_height: height in lines
1537 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1538 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1539 * @standards: Supported standards
1540 * @capabilities: Supported capabilities
1541 * @reserved: Must be zeroed
1542 */
1543 struct v4l2_bt_timings_cap {
1544 __u32 min_width;
1545 __u32 max_width;
1546 __u32 min_height;
1547 __u32 max_height;
1548 __u64 min_pixelclock;
1549 __u64 max_pixelclock;
1550 __u32 standards;
1551 __u32 capabilities;
1552 __u32 reserved[16];
1553 } __attribute__ ((packed));
1554
1555 /* Supports interlaced formats */
1556 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1557 /* Supports progressive formats */
1558 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1559 /* Supports CVT/GTF reduced blanking */
1560 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1561 /* Supports custom formats */
1562 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1563
1564 /** struct v4l2_dv_timings_cap - DV timings capabilities
1565 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1566 * @pad: the pad number for which to query capabilities (used with
1567 * v4l-subdev nodes only)
1568 * @bt: the BT656/1120 timings capabilities
1569 */
1570 struct v4l2_dv_timings_cap {
1571 __u32 type;
1572 __u32 pad;
1573 __u32 reserved[2];
1574 union {
1575 struct v4l2_bt_timings_cap bt;
1576 __u32 raw_data[32];
1577 };
1578 };
1579
1580
1581 /*
1582 * V I D E O I N P U T S
1583 */
1584 struct v4l2_input {
1585 __u32 index; /* Which input */
1586 __u8 name[32]; /* Label */
1587 __u32 type; /* Type of input */
1588 __u32 audioset; /* Associated audios (bitfield) */
1589 __u32 tuner; /* enum v4l2_tuner_type */
1590 v4l2_std_id std;
1591 __u32 status;
1592 __u32 capabilities;
1593 __u32 reserved[3];
1594 };
1595
1596 /* Values for the 'type' field */
1597 #define V4L2_INPUT_TYPE_TUNER 1
1598 #define V4L2_INPUT_TYPE_CAMERA 2
1599 #define V4L2_INPUT_TYPE_TOUCH 3
1600
1601 /* field 'status' - general */
1602 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1603 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1604 #define V4L2_IN_ST_NO_COLOR 0x00000004
1605
1606 /* field 'status' - sensor orientation */
1607 /* If sensor is mounted upside down set both bits */
1608 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1609 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1610
1611 /* field 'status' - analog */
1612 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1613 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1614 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1615 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1616
1617 /* field 'status' - digital */
1618 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1619 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1620 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1621
1622 /* field 'status' - VCR and set-top box */
1623 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1624 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1625 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1626
1627 /* capabilities flags */
1628 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1629 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1630 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1631 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1632
1633 /*
1634 * V I D E O O U T P U T S
1635 */
1636 struct v4l2_output {
1637 __u32 index; /* Which output */
1638 __u8 name[32]; /* Label */
1639 __u32 type; /* Type of output */
1640 __u32 audioset; /* Associated audios (bitfield) */
1641 __u32 modulator; /* Associated modulator */
1642 v4l2_std_id std;
1643 __u32 capabilities;
1644 __u32 reserved[3];
1645 };
1646 /* Values for the 'type' field */
1647 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1648 #define V4L2_OUTPUT_TYPE_ANALOG 2
1649 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1650
1651 /* capabilities flags */
1652 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1653 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1654 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1655 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1656
1657 /*
1658 * C O N T R O L S
1659 */
1660 struct v4l2_control {
1661 __u32 id;
1662 __s32 value;
1663 };
1664
1665 struct v4l2_ext_control {
1666 __u32 id;
1667 __u32 size;
1668 __u32 reserved2[1];
1669 union {
1670 __s32 value;
1671 __s64 value64;
1672 char __user *string;
1673 __u8 __user *p_u8;
1674 __u16 __user *p_u16;
1675 __u32 __user *p_u32;
1676 void __user *ptr;
1677 };
1678 } __attribute__ ((packed));
1679
1680 struct v4l2_ext_controls {
1681 union {
1682 #ifndef __KERNEL__
1683 __u32 ctrl_class;
1684 #endif
1685 __u32 which;
1686 };
1687 __u32 count;
1688 __u32 error_idx;
1689 __s32 request_fd;
1690 __u32 reserved[1];
1691 struct v4l2_ext_control *controls;
1692 };
1693
1694 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1695 #ifndef __KERNEL__
1696 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1697 #endif
1698 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1699 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1700 #define V4L2_CTRL_MAX_DIMS (4)
1701 #define V4L2_CTRL_WHICH_CUR_VAL 0
1702 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1703 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1704
1705 enum v4l2_ctrl_type {
1706 V4L2_CTRL_TYPE_INTEGER = 1,
1707 V4L2_CTRL_TYPE_BOOLEAN = 2,
1708 V4L2_CTRL_TYPE_MENU = 3,
1709 V4L2_CTRL_TYPE_BUTTON = 4,
1710 V4L2_CTRL_TYPE_INTEGER64 = 5,
1711 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1712 V4L2_CTRL_TYPE_STRING = 7,
1713 V4L2_CTRL_TYPE_BITMASK = 8,
1714 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1715
1716 /* Compound types are >= 0x0100 */
1717 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1718 V4L2_CTRL_TYPE_U8 = 0x0100,
1719 V4L2_CTRL_TYPE_U16 = 0x0101,
1720 V4L2_CTRL_TYPE_U32 = 0x0102,
1721 };
1722
1723 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1724 struct v4l2_queryctrl {
1725 __u32 id;
1726 __u32 type; /* enum v4l2_ctrl_type */
1727 __u8 name[32]; /* Whatever */
1728 __s32 minimum; /* Note signedness */
1729 __s32 maximum;
1730 __s32 step;
1731 __s32 default_value;
1732 __u32 flags;
1733 __u32 reserved[2];
1734 };
1735
1736 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1737 struct v4l2_query_ext_ctrl {
1738 __u32 id;
1739 __u32 type;
1740 char name[32];
1741 __s64 minimum;
1742 __s64 maximum;
1743 __u64 step;
1744 __s64 default_value;
1745 __u32 flags;
1746 __u32 elem_size;
1747 __u32 elems;
1748 __u32 nr_of_dims;
1749 __u32 dims[V4L2_CTRL_MAX_DIMS];
1750 __u32 reserved[32];
1751 };
1752
1753 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1754 struct v4l2_querymenu {
1755 __u32 id;
1756 __u32 index;
1757 union {
1758 __u8 name[32]; /* Whatever */
1759 __s64 value;
1760 };
1761 __u32 reserved;
1762 } __attribute__ ((packed));
1763
1764 /* Control flags */
1765 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1766 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1767 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1768 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1769 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1770 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1771 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1772 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1773 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1774 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1775 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1776
1777 /* Query flags, to be ORed with the control ID */
1778 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1779 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1780
1781 /* User-class control IDs defined by V4L2 */
1782 #define V4L2_CID_MAX_CTRLS 1024
1783 /* IDs reserved for driver specific controls */
1784 #define V4L2_CID_PRIVATE_BASE 0x08000000
1785
1786
1787 /*
1788 * T U N I N G
1789 */
1790 struct v4l2_tuner {
1791 __u32 index;
1792 __u8 name[32];
1793 __u32 type; /* enum v4l2_tuner_type */
1794 __u32 capability;
1795 __u32 rangelow;
1796 __u32 rangehigh;
1797 __u32 rxsubchans;
1798 __u32 audmode;
1799 __s32 signal;
1800 __s32 afc;
1801 __u32 reserved[4];
1802 };
1803
1804 struct v4l2_modulator {
1805 __u32 index;
1806 __u8 name[32];
1807 __u32 capability;
1808 __u32 rangelow;
1809 __u32 rangehigh;
1810 __u32 txsubchans;
1811 __u32 type; /* enum v4l2_tuner_type */
1812 __u32 reserved[3];
1813 };
1814
1815 /* Flags for the 'capability' field */
1816 #define V4L2_TUNER_CAP_LOW 0x0001
1817 #define V4L2_TUNER_CAP_NORM 0x0002
1818 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1819 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1820 #define V4L2_TUNER_CAP_STEREO 0x0010
1821 #define V4L2_TUNER_CAP_LANG2 0x0020
1822 #define V4L2_TUNER_CAP_SAP 0x0020
1823 #define V4L2_TUNER_CAP_LANG1 0x0040
1824 #define V4L2_TUNER_CAP_RDS 0x0080
1825 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1826 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1827 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1828 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1829 #define V4L2_TUNER_CAP_1HZ 0x1000
1830
1831 /* Flags for the 'rxsubchans' field */
1832 #define V4L2_TUNER_SUB_MONO 0x0001
1833 #define V4L2_TUNER_SUB_STEREO 0x0002
1834 #define V4L2_TUNER_SUB_LANG2 0x0004
1835 #define V4L2_TUNER_SUB_SAP 0x0004
1836 #define V4L2_TUNER_SUB_LANG1 0x0008
1837 #define V4L2_TUNER_SUB_RDS 0x0010
1838
1839 /* Values for the 'audmode' field */
1840 #define V4L2_TUNER_MODE_MONO 0x0000
1841 #define V4L2_TUNER_MODE_STEREO 0x0001
1842 #define V4L2_TUNER_MODE_LANG2 0x0002
1843 #define V4L2_TUNER_MODE_SAP 0x0002
1844 #define V4L2_TUNER_MODE_LANG1 0x0003
1845 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1846
1847 struct v4l2_frequency {
1848 __u32 tuner;
1849 __u32 type; /* enum v4l2_tuner_type */
1850 __u32 frequency;
1851 __u32 reserved[8];
1852 };
1853
1854 #define V4L2_BAND_MODULATION_VSB (1 << 1)
1855 #define V4L2_BAND_MODULATION_FM (1 << 2)
1856 #define V4L2_BAND_MODULATION_AM (1 << 3)
1857
1858 struct v4l2_frequency_band {
1859 __u32 tuner;
1860 __u32 type; /* enum v4l2_tuner_type */
1861 __u32 index;
1862 __u32 capability;
1863 __u32 rangelow;
1864 __u32 rangehigh;
1865 __u32 modulation;
1866 __u32 reserved[9];
1867 };
1868
1869 struct v4l2_hw_freq_seek {
1870 __u32 tuner;
1871 __u32 type; /* enum v4l2_tuner_type */
1872 __u32 seek_upward;
1873 __u32 wrap_around;
1874 __u32 spacing;
1875 __u32 rangelow;
1876 __u32 rangehigh;
1877 __u32 reserved[5];
1878 };
1879
1880 /*
1881 * R D S
1882 */
1883
1884 struct v4l2_rds_data {
1885 __u8 lsb;
1886 __u8 msb;
1887 __u8 block;
1888 } __attribute__ ((packed));
1889
1890 #define V4L2_RDS_BLOCK_MSK 0x7
1891 #define V4L2_RDS_BLOCK_A 0
1892 #define V4L2_RDS_BLOCK_B 1
1893 #define V4L2_RDS_BLOCK_C 2
1894 #define V4L2_RDS_BLOCK_D 3
1895 #define V4L2_RDS_BLOCK_C_ALT 4
1896 #define V4L2_RDS_BLOCK_INVALID 7
1897
1898 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1899 #define V4L2_RDS_BLOCK_ERROR 0x80
1900
1901 /*
1902 * A U D I O
1903 */
1904 struct v4l2_audio {
1905 __u32 index;
1906 __u8 name[32];
1907 __u32 capability;
1908 __u32 mode;
1909 __u32 reserved[2];
1910 };
1911
1912 /* Flags for the 'capability' field */
1913 #define V4L2_AUDCAP_STEREO 0x00001
1914 #define V4L2_AUDCAP_AVL 0x00002
1915
1916 /* Flags for the 'mode' field */
1917 #define V4L2_AUDMODE_AVL 0x00001
1918
1919 struct v4l2_audioout {
1920 __u32 index;
1921 __u8 name[32];
1922 __u32 capability;
1923 __u32 mode;
1924 __u32 reserved[2];
1925 };
1926
1927 /*
1928 * M P E G S E R V I C E S
1929 */
1930 #if 1
1931 #define V4L2_ENC_IDX_FRAME_I (0)
1932 #define V4L2_ENC_IDX_FRAME_P (1)
1933 #define V4L2_ENC_IDX_FRAME_B (2)
1934 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1935
1936 struct v4l2_enc_idx_entry {
1937 __u64 offset;
1938 __u64 pts;
1939 __u32 length;
1940 __u32 flags;
1941 __u32 reserved[2];
1942 };
1943
1944 #define V4L2_ENC_IDX_ENTRIES (64)
1945 struct v4l2_enc_idx {
1946 __u32 entries;
1947 __u32 entries_cap;
1948 __u32 reserved[4];
1949 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1950 };
1951
1952
1953 #define V4L2_ENC_CMD_START (0)
1954 #define V4L2_ENC_CMD_STOP (1)
1955 #define V4L2_ENC_CMD_PAUSE (2)
1956 #define V4L2_ENC_CMD_RESUME (3)
1957
1958 /* Flags for V4L2_ENC_CMD_STOP */
1959 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
1960
1961 struct v4l2_encoder_cmd {
1962 __u32 cmd;
1963 __u32 flags;
1964 union {
1965 struct {
1966 __u32 data[8];
1967 } raw;
1968 };
1969 };
1970
1971 /* Decoder commands */
1972 #define V4L2_DEC_CMD_START (0)
1973 #define V4L2_DEC_CMD_STOP (1)
1974 #define V4L2_DEC_CMD_PAUSE (2)
1975 #define V4L2_DEC_CMD_RESUME (3)
1976
1977 /* Flags for V4L2_DEC_CMD_START */
1978 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
1979
1980 /* Flags for V4L2_DEC_CMD_PAUSE */
1981 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
1982
1983 /* Flags for V4L2_DEC_CMD_STOP */
1984 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
1985 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
1986
1987 /* Play format requirements (returned by the driver): */
1988
1989 /* The decoder has no special format requirements */
1990 #define V4L2_DEC_START_FMT_NONE (0)
1991 /* The decoder requires full GOPs */
1992 #define V4L2_DEC_START_FMT_GOP (1)
1993
1994 /* The structure must be zeroed before use by the application
1995 This ensures it can be extended safely in the future. */
1996 struct v4l2_decoder_cmd {
1997 __u32 cmd;
1998 __u32 flags;
1999 union {
2000 struct {
2001 __u64 pts;
2002 } stop;
2003
2004 struct {
2005 /* 0 or 1000 specifies normal speed,
2006 1 specifies forward single stepping,
2007 -1 specifies backward single stepping,
2008 >1: playback at speed/1000 of the normal speed,
2009 <-1: reverse playback at (-speed/1000) of the normal speed. */
2010 __s32 speed;
2011 __u32 format;
2012 } start;
2013
2014 struct {
2015 __u32 data[16];
2016 } raw;
2017 };
2018 };
2019 #endif
2020
2021
2022 /*
2023 * D A T A S E R V I C E S ( V B I )
2024 *
2025 * Data services API by Michael Schimek
2026 */
2027
2028 /* Raw VBI */
2029 struct v4l2_vbi_format {
2030 __u32 sampling_rate; /* in 1 Hz */
2031 __u32 offset;
2032 __u32 samples_per_line;
2033 __u32 sample_format; /* V4L2_PIX_FMT_* */
2034 __s32 start[2];
2035 __u32 count[2];
2036 __u32 flags; /* V4L2_VBI_* */
2037 __u32 reserved[2]; /* must be zero */
2038 };
2039
2040 /* VBI flags */
2041 #define V4L2_VBI_UNSYNC (1 << 0)
2042 #define V4L2_VBI_INTERLACED (1 << 1)
2043
2044 /* ITU-R start lines for each field */
2045 #define V4L2_VBI_ITU_525_F1_START (1)
2046 #define V4L2_VBI_ITU_525_F2_START (264)
2047 #define V4L2_VBI_ITU_625_F1_START (1)
2048 #define V4L2_VBI_ITU_625_F2_START (314)
2049
2050 /* Sliced VBI
2051 *
2052 * This implements is a proposal V4L2 API to allow SLICED VBI
2053 * required for some hardware encoders. It should change without
2054 * notice in the definitive implementation.
2055 */
2056
2057 struct v4l2_sliced_vbi_format {
2058 __u16 service_set;
2059 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2060 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2061 (equals frame lines 313-336 for 625 line video
2062 standards, 263-286 for 525 line standards) */
2063 __u16 service_lines[2][24];
2064 __u32 io_size;
2065 __u32 reserved[2]; /* must be zero */
2066 };
2067
2068 /* Teletext World System Teletext
2069 (WST), defined on ITU-R BT.653-2 */
2070 #define V4L2_SLICED_TELETEXT_B (0x0001)
2071 /* Video Program System, defined on ETS 300 231*/
2072 #define V4L2_SLICED_VPS (0x0400)
2073 /* Closed Caption, defined on EIA-608 */
2074 #define V4L2_SLICED_CAPTION_525 (0x1000)
2075 /* Wide Screen System, defined on ITU-R BT1119.1 */
2076 #define V4L2_SLICED_WSS_625 (0x4000)
2077
2078 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2079 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2080
2081 struct v4l2_sliced_vbi_cap {
2082 __u16 service_set;
2083 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2084 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2085 (equals frame lines 313-336 for 625 line video
2086 standards, 263-286 for 525 line standards) */
2087 __u16 service_lines[2][24];
2088 __u32 type; /* enum v4l2_buf_type */
2089 __u32 reserved[3]; /* must be 0 */
2090 };
2091
2092 struct v4l2_sliced_vbi_data {
2093 __u32 id;
2094 __u32 field; /* 0: first field, 1: second field */
2095 __u32 line; /* 1-23 */
2096 __u32 reserved; /* must be 0 */
2097 __u8 data[48];
2098 };
2099
2100 /*
2101 * Sliced VBI data inserted into MPEG Streams
2102 */
2103
2104 /*
2105 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2106 *
2107 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2108 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2109 * data
2110 *
2111 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2112 * definitions are not included here. See the MPEG-2 specifications for details
2113 * on these headers.
2114 */
2115
2116 /* Line type IDs */
2117 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2118 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2119 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2120 #define V4L2_MPEG_VBI_IVTV_VPS (7)
2121
2122 struct v4l2_mpeg_vbi_itv0_line {
2123 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2124 __u8 data[42]; /* Sliced VBI data for the line */
2125 } __attribute__ ((packed));
2126
2127 struct v4l2_mpeg_vbi_itv0 {
2128 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2129 struct v4l2_mpeg_vbi_itv0_line line[35];
2130 } __attribute__ ((packed));
2131
2132 struct v4l2_mpeg_vbi_ITV0 {
2133 struct v4l2_mpeg_vbi_itv0_line line[36];
2134 } __attribute__ ((packed));
2135
2136 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2137 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2138
2139 struct v4l2_mpeg_vbi_fmt_ivtv {
2140 __u8 magic[4];
2141 union {
2142 struct v4l2_mpeg_vbi_itv0 itv0;
2143 struct v4l2_mpeg_vbi_ITV0 ITV0;
2144 };
2145 } __attribute__ ((packed));
2146
2147 /*
2148 * A G G R E G A T E S T R U C T U R E S
2149 */
2150
2151 /**
2152 * struct v4l2_plane_pix_format - additional, per-plane format definition
2153 * @sizeimage: maximum size in bytes required for data, for which
2154 * this plane will be used
2155 * @bytesperline: distance in bytes between the leftmost pixels in two
2156 * adjacent lines
2157 */
2158 struct v4l2_plane_pix_format {
2159 __u32 sizeimage;
2160 __u32 bytesperline;
2161 __u16 reserved[6];
2162 } __attribute__ ((packed));
2163
2164 /**
2165 * struct v4l2_pix_format_mplane - multiplanar format definition
2166 * @width: image width in pixels
2167 * @height: image height in pixels
2168 * @pixelformat: little endian four character code (fourcc)
2169 * @field: enum v4l2_field; field order (for interlaced video)
2170 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2171 * @plane_fmt: per-plane information
2172 * @num_planes: number of planes for this format
2173 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2174 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2175 * @quantization: enum v4l2_quantization, colorspace quantization
2176 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2177 */
2178 struct v4l2_pix_format_mplane {
2179 __u32 width;
2180 __u32 height;
2181 __u32 pixelformat;
2182 __u32 field;
2183 __u32 colorspace;
2184
2185 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2186 __u8 num_planes;
2187 __u8 flags;
2188 union {
2189 __u8 ycbcr_enc;
2190 __u8 hsv_enc;
2191 };
2192 __u8 quantization;
2193 __u8 xfer_func;
2194 __u8 reserved[7];
2195 } __attribute__ ((packed));
2196
2197 /**
2198 * struct v4l2_sdr_format - SDR format definition
2199 * @pixelformat: little endian four character code (fourcc)
2200 * @buffersize: maximum size in bytes required for data
2201 */
2202 struct v4l2_sdr_format {
2203 __u32 pixelformat;
2204 __u32 buffersize;
2205 __u8 reserved[24];
2206 } __attribute__ ((packed));
2207
2208 /**
2209 * struct v4l2_meta_format - metadata format definition
2210 * @dataformat: little endian four character code (fourcc)
2211 * @buffersize: maximum size in bytes required for data
2212 */
2213 struct v4l2_meta_format {
2214 __u32 dataformat;
2215 __u32 buffersize;
2216 } __attribute__ ((packed));
2217
2218 /**
2219 * struct v4l2_format - stream data format
2220 * @type: enum v4l2_buf_type; type of the data stream
2221 * @pix: definition of an image format
2222 * @pix_mp: definition of a multiplanar image format
2223 * @win: definition of an overlaid image
2224 * @vbi: raw VBI capture or output parameters
2225 * @sliced: sliced VBI capture or output parameters
2226 * @raw_data: placeholder for future extensions and custom formats
2227 */
2228 struct v4l2_format {
2229 __u32 type;
2230 union {
2231 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2232 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2233 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2234 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2235 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2236 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2237 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2238 __u8 raw_data[200]; /* user-defined */
2239 } fmt;
2240 };
2241
2242 /* Stream type-dependent parameters
2243 */
2244 struct v4l2_streamparm {
2245 __u32 type; /* enum v4l2_buf_type */
2246 union {
2247 struct v4l2_captureparm capture;
2248 struct v4l2_outputparm output;
2249 __u8 raw_data[200]; /* user-defined */
2250 } parm;
2251 };
2252
2253 /*
2254 * E V E N T S
2255 */
2256
2257 #define V4L2_EVENT_ALL 0
2258 #define V4L2_EVENT_VSYNC 1
2259 #define V4L2_EVENT_EOS 2
2260 #define V4L2_EVENT_CTRL 3
2261 #define V4L2_EVENT_FRAME_SYNC 4
2262 #define V4L2_EVENT_SOURCE_CHANGE 5
2263 #define V4L2_EVENT_MOTION_DET 6
2264 #define V4L2_EVENT_PRIVATE_START 0x08000000
2265
2266 /* Payload for V4L2_EVENT_VSYNC */
2267 struct v4l2_event_vsync {
2268 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2269 __u8 field;
2270 } __attribute__ ((packed));
2271
2272 /* Payload for V4L2_EVENT_CTRL */
2273 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2274 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2275 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2276
2277 struct v4l2_event_ctrl {
2278 __u32 changes;
2279 __u32 type;
2280 union {
2281 __s32 value;
2282 __s64 value64;
2283 };
2284 __u32 flags;
2285 __s32 minimum;
2286 __s32 maximum;
2287 __s32 step;
2288 __s32 default_value;
2289 };
2290
2291 struct v4l2_event_frame_sync {
2292 __u32 frame_sequence;
2293 };
2294
2295 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2296
2297 struct v4l2_event_src_change {
2298 __u32 changes;
2299 };
2300
2301 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2302
2303 /**
2304 * struct v4l2_event_motion_det - motion detection event
2305 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2306 * frame_sequence field is valid.
2307 * @frame_sequence: the frame sequence number associated with this event.
2308 * @region_mask: which regions detected motion.
2309 */
2310 struct v4l2_event_motion_det {
2311 __u32 flags;
2312 __u32 frame_sequence;
2313 __u32 region_mask;
2314 };
2315
2316 struct v4l2_event {
2317 __u32 type;
2318 union {
2319 struct v4l2_event_vsync vsync;
2320 struct v4l2_event_ctrl ctrl;
2321 struct v4l2_event_frame_sync frame_sync;
2322 struct v4l2_event_src_change src_change;
2323 struct v4l2_event_motion_det motion_det;
2324 __u8 data[64];
2325 } u;
2326 __u32 pending;
2327 __u32 sequence;
2328 struct timespec timestamp;
2329 __u32 id;
2330 __u32 reserved[8];
2331 };
2332
2333 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2334 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2335
2336 struct v4l2_event_subscription {
2337 __u32 type;
2338 __u32 id;
2339 __u32 flags;
2340 __u32 reserved[5];
2341 };
2342
2343 /*
2344 * A D V A N C E D D E B U G G I N G
2345 *
2346 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2347 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2348 */
2349
2350 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2351
2352 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2353 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2354
2355 /* The following four defines are no longer in use */
2356 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2357 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2358 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2359 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2360
2361 struct v4l2_dbg_match {
2362 __u32 type; /* Match type */
2363 union { /* Match this chip, meaning determined by type */
2364 __u32 addr;
2365 char name[32];
2366 };
2367 } __attribute__ ((packed));
2368
2369 struct v4l2_dbg_register {
2370 struct v4l2_dbg_match match;
2371 __u32 size; /* register size in bytes */
2372 __u64 reg;
2373 __u64 val;
2374 } __attribute__ ((packed));
2375
2376 #define V4L2_CHIP_FL_READABLE (1 << 0)
2377 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2378
2379 /* VIDIOC_DBG_G_CHIP_INFO */
2380 struct v4l2_dbg_chip_info {
2381 struct v4l2_dbg_match match;
2382 char name[32];
2383 __u32 flags;
2384 __u32 reserved[32];
2385 } __attribute__ ((packed));
2386
2387 /**
2388 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2389 * @index: on return, index of the first created buffer
2390 * @count: entry: number of requested buffers,
2391 * return: number of created buffers
2392 * @memory: enum v4l2_memory; buffer memory type
2393 * @format: frame format, for which buffers are requested
2394 * @capabilities: capabilities of this buffer type.
2395 * @reserved: future extensions
2396 */
2397 struct v4l2_create_buffers {
2398 __u32 index;
2399 __u32 count;
2400 __u32 memory;
2401 struct v4l2_format format;
2402 __u32 capabilities;
2403 __u32 reserved[7];
2404 };
2405
2406 /*
2407 * 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
2408 *
2409 */
2410 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2411 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2412 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2413 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2414 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2415 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2416 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2417 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2418 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2419 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2420 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2421 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2422 #define VIDIOC_STREAMON _IOW('V', 18, int)
2423 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2424 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2425 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2426 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2427 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2428 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2429 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2430 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2431 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2432 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2433 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2434 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2435 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2436 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2437 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2438 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2439 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2440 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2441 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2442 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2443 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2444 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2445 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2446 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2447 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2448 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2449 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2450 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2451 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2452 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2453 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2454 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2455 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2456 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2457 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2458 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2459 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2460 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2461 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2462 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2463 #define VIDIOC_LOG_STATUS _IO('V', 70)
2464 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2465 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2466 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2467 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2468 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2469 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2470 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2471 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2472
2473 /*
2474 * Experimental, meant for debugging, testing and internal use.
2475 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2476 * You must be root to use these ioctls. Never use these in applications!
2477 */
2478 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2479 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2480
2481 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2482 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2483 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2484 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2485 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2486 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2487 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2488 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2489 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2490 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2491 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2492 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2493 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2494 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2495 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2496 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2497
2498 /*
2499 * Experimental, meant for debugging, testing and internal use.
2500 * Never use this in applications!
2501 */
2502 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2503
2504 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2505
2506 /* Reminder: when adding new ioctls please add support for them to
2507 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2508
2509 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2510
2511 #endif /* _UAPI__LINUX_VIDEODEV2_H */
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