xref: /linux/include/uapi/linux/videodev2.h (revision ab93e0dd72c37d378dd936f031ffb83ff2bd87ce)
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 	/*
157 	 * Note: V4L2_TYPE_IS_VALID and V4L2_TYPE_IS_OUTPUT must
158 	 * be updated if a new type is added.
159 	 */
160 	/* Deprecated, do not use */
161 	V4L2_BUF_TYPE_PRIVATE              = 0x80,
162 };
163 
164 #define V4L2_TYPE_IS_VALID(type)		 \
165 	((type) >= V4L2_BUF_TYPE_VIDEO_CAPTURE &&\
166 	 (type) <= V4L2_BUF_TYPE_META_OUTPUT)
167 
168 #define V4L2_TYPE_IS_MULTIPLANAR(type)			\
169 	((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE	\
170 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
171 
172 #define V4L2_TYPE_IS_OUTPUT(type)				\
173 	((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT			\
174 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE		\
175 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY	\
176 	 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT			\
177 	 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT		\
178 	 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT			\
179 	 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
180 
181 #define V4L2_TYPE_IS_CAPTURE(type)	\
182 	(V4L2_TYPE_IS_VALID(type) && !V4L2_TYPE_IS_OUTPUT(type))
183 
184 enum v4l2_tuner_type {
185 	V4L2_TUNER_RADIO	     = 1,
186 	V4L2_TUNER_ANALOG_TV	     = 2,
187 	V4L2_TUNER_DIGITAL_TV	     = 3,
188 	V4L2_TUNER_SDR               = 4,
189 	V4L2_TUNER_RF                = 5,
190 };
191 
192 /* Deprecated, do not use */
193 #define V4L2_TUNER_ADC  V4L2_TUNER_SDR
194 
195 enum v4l2_memory {
196 	V4L2_MEMORY_MMAP             = 1,
197 	V4L2_MEMORY_USERPTR          = 2,
198 	V4L2_MEMORY_OVERLAY          = 3,
199 	V4L2_MEMORY_DMABUF           = 4,
200 };
201 
202 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
203 enum v4l2_colorspace {
204 	/*
205 	 * Default colorspace, i.e. let the driver figure it out.
206 	 * Can only be used with video capture.
207 	 */
208 	V4L2_COLORSPACE_DEFAULT       = 0,
209 
210 	/* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
211 	V4L2_COLORSPACE_SMPTE170M     = 1,
212 
213 	/* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
214 	V4L2_COLORSPACE_SMPTE240M     = 2,
215 
216 	/* Rec.709: used for HDTV */
217 	V4L2_COLORSPACE_REC709        = 3,
218 
219 	/*
220 	 * Deprecated, do not use. No driver will ever return this. This was
221 	 * based on a misunderstanding of the bt878 datasheet.
222 	 */
223 	V4L2_COLORSPACE_BT878         = 4,
224 
225 	/*
226 	 * NTSC 1953 colorspace. This only makes sense when dealing with
227 	 * really, really old NTSC recordings. Superseded by SMPTE 170M.
228 	 */
229 	V4L2_COLORSPACE_470_SYSTEM_M  = 5,
230 
231 	/*
232 	 * EBU Tech 3213 PAL/SECAM colorspace.
233 	 */
234 	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
235 
236 	/*
237 	 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
238 	 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
239 	 */
240 	V4L2_COLORSPACE_JPEG          = 7,
241 
242 	/* For RGB colorspaces such as produces by most webcams. */
243 	V4L2_COLORSPACE_SRGB          = 8,
244 
245 	/* opRGB colorspace */
246 	V4L2_COLORSPACE_OPRGB         = 9,
247 
248 	/* BT.2020 colorspace, used for UHDTV. */
249 	V4L2_COLORSPACE_BT2020        = 10,
250 
251 	/* Raw colorspace: for RAW unprocessed images */
252 	V4L2_COLORSPACE_RAW           = 11,
253 
254 	/* DCI-P3 colorspace, used by cinema projectors */
255 	V4L2_COLORSPACE_DCI_P3        = 12,
256 
257 #ifdef __KERNEL__
258 	/*
259 	 * Largest supported colorspace value, assigned by the compiler, used
260 	 * by the framework to check for invalid values.
261 	 */
262 	V4L2_COLORSPACE_LAST,
263 #endif
264 };
265 
266 /*
267  * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
268  * This depends on whether this is a SDTV image (use SMPTE 170M), an
269  * HDTV image (use Rec. 709), or something else (use sRGB).
270  */
271 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
272 	((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
273 	 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
274 
275 enum v4l2_xfer_func {
276 	/*
277 	 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
278 	 * for the various colorspaces:
279 	 *
280 	 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
281 	 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
282 	 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
283 	 *
284 	 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
285 	 *
286 	 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
287 	 *
288 	 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
289 	 *
290 	 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
291 	 *
292 	 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
293 	 */
294 	V4L2_XFER_FUNC_DEFAULT     = 0,
295 	V4L2_XFER_FUNC_709         = 1,
296 	V4L2_XFER_FUNC_SRGB        = 2,
297 	V4L2_XFER_FUNC_OPRGB       = 3,
298 	V4L2_XFER_FUNC_SMPTE240M   = 4,
299 	V4L2_XFER_FUNC_NONE        = 5,
300 	V4L2_XFER_FUNC_DCI_P3      = 6,
301 	V4L2_XFER_FUNC_SMPTE2084   = 7,
302 #ifdef __KERNEL__
303 	/*
304 	 * Largest supported transfer function value, assigned by the compiler,
305 	 * used by the framework to check for invalid values.
306 	 */
307 	V4L2_XFER_FUNC_LAST,
308 #endif
309 };
310 
311 /*
312  * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
313  * This depends on the colorspace.
314  */
315 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
316 	((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
317 	 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
318 	  ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
319 	   ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
320 	    ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
321 	     V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
322 
323 enum v4l2_ycbcr_encoding {
324 	/*
325 	 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
326 	 * various colorspaces:
327 	 *
328 	 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
329 	 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
330 	 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
331 	 *
332 	 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
333 	 *
334 	 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
335 	 *
336 	 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
337 	 */
338 	V4L2_YCBCR_ENC_DEFAULT        = 0,
339 
340 	/* ITU-R 601 -- SDTV */
341 	V4L2_YCBCR_ENC_601            = 1,
342 
343 	/* Rec. 709 -- HDTV */
344 	V4L2_YCBCR_ENC_709            = 2,
345 
346 	/* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
347 	V4L2_YCBCR_ENC_XV601          = 3,
348 
349 	/* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
350 	V4L2_YCBCR_ENC_XV709          = 4,
351 
352 #ifndef __KERNEL__
353 	/*
354 	 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
355 	 * originally due to a misunderstanding of the sYCC standard. It should
356 	 * not be used, instead use V4L2_YCBCR_ENC_601.
357 	 */
358 	V4L2_YCBCR_ENC_SYCC           = 5,
359 #endif
360 
361 	/* BT.2020 Non-constant Luminance Y'CbCr */
362 	V4L2_YCBCR_ENC_BT2020         = 6,
363 
364 	/* BT.2020 Constant Luminance Y'CbcCrc */
365 	V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
366 
367 	/* SMPTE 240M -- Obsolete HDTV */
368 	V4L2_YCBCR_ENC_SMPTE240M      = 8,
369 #ifdef __KERNEL__
370 	/*
371 	 * Largest supported encoding value, assigned by the compiler, used by
372 	 * the framework to check for invalid values.
373 	 */
374 	V4L2_YCBCR_ENC_LAST,
375 #endif
376 };
377 
378 /*
379  * enum v4l2_hsv_encoding values should not collide with the ones from
380  * enum v4l2_ycbcr_encoding.
381  */
382 enum v4l2_hsv_encoding {
383 
384 	/* Hue mapped to 0 - 179 */
385 	V4L2_HSV_ENC_180		= 128,
386 
387 	/* Hue mapped to 0-255 */
388 	V4L2_HSV_ENC_256		= 129,
389 };
390 
391 /*
392  * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
393  * This depends on the colorspace.
394  */
395 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
396 	(((colsp) == V4L2_COLORSPACE_REC709 || \
397 	  (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
398 	 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
399 	  ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
400 	   V4L2_YCBCR_ENC_601)))
401 
402 enum v4l2_quantization {
403 	/*
404 	 * The default for R'G'B' quantization is always full range.
405 	 * For Y'CbCr the quantization is always limited range, except
406 	 * for COLORSPACE_JPEG: this is full range.
407 	 */
408 	V4L2_QUANTIZATION_DEFAULT     = 0,
409 	V4L2_QUANTIZATION_FULL_RANGE  = 1,
410 	V4L2_QUANTIZATION_LIM_RANGE   = 2,
411 };
412 
413 /*
414  * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
415  * This depends on whether the image is RGB or not, the colorspace.
416  * The Y'CbCr encoding is not used anymore, but is still there for backwards
417  * compatibility.
418  */
419 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
420 	(((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
421 	 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
422 
423 /*
424  * Deprecated names for opRGB colorspace (IEC 61966-2-5)
425  *
426  * WARNING: Please don't use these deprecated defines in your code, as
427  * there is a chance we have to remove them in the future.
428  */
429 #ifndef __KERNEL__
430 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
431 #define V4L2_XFER_FUNC_ADOBERGB  V4L2_XFER_FUNC_OPRGB
432 #endif
433 
434 enum v4l2_priority {
435 	V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
436 	V4L2_PRIORITY_BACKGROUND  = 1,
437 	V4L2_PRIORITY_INTERACTIVE = 2,
438 	V4L2_PRIORITY_RECORD      = 3,
439 	V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
440 };
441 
442 struct v4l2_rect {
443 	__s32   left;
444 	__s32   top;
445 	__u32   width;
446 	__u32   height;
447 };
448 
449 struct v4l2_fract {
450 	__u32   numerator;
451 	__u32   denominator;
452 };
453 
454 struct v4l2_area {
455 	__u32   width;
456 	__u32   height;
457 };
458 
459 /**
460   * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
461   *
462   * @driver:	   name of the driver module (e.g. "bttv")
463   * @card:	   name of the card (e.g. "Hauppauge WinTV")
464   * @bus_info:	   name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
465   * @version:	   KERNEL_VERSION
466   * @capabilities: capabilities of the physical device as a whole
467   * @device_caps:  capabilities accessed via this particular device (node)
468   * @reserved:	   reserved fields for future extensions
469   */
470 struct v4l2_capability {
471 	__u8	driver[16];
472 	__u8	card[32];
473 	__u8	bus_info[32];
474 	__u32   version;
475 	__u32	capabilities;
476 	__u32	device_caps;
477 	__u32	reserved[3];
478 };
479 
480 /* Values for 'capabilities' field */
481 #define V4L2_CAP_VIDEO_CAPTURE		0x00000001  /* Is a video capture device */
482 #define V4L2_CAP_VIDEO_OUTPUT		0x00000002  /* Is a video output device */
483 #define V4L2_CAP_VIDEO_OVERLAY		0x00000004  /* Can do video overlay */
484 #define V4L2_CAP_VBI_CAPTURE		0x00000010  /* Is a raw VBI capture device */
485 #define V4L2_CAP_VBI_OUTPUT		0x00000020  /* Is a raw VBI output device */
486 #define V4L2_CAP_SLICED_VBI_CAPTURE	0x00000040  /* Is a sliced VBI capture device */
487 #define V4L2_CAP_SLICED_VBI_OUTPUT	0x00000080  /* Is a sliced VBI output device */
488 #define V4L2_CAP_RDS_CAPTURE		0x00000100  /* RDS data capture */
489 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY	0x00000200  /* Can do video output overlay */
490 #define V4L2_CAP_HW_FREQ_SEEK		0x00000400  /* Can do hardware frequency seek  */
491 #define V4L2_CAP_RDS_OUTPUT		0x00000800  /* Is an RDS encoder */
492 
493 /* Is a video capture device that supports multiplanar formats */
494 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE	0x00001000
495 /* Is a video output device that supports multiplanar formats */
496 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE	0x00002000
497 /* Is a video mem-to-mem device that supports multiplanar formats */
498 #define V4L2_CAP_VIDEO_M2M_MPLANE	0x00004000
499 /* Is a video mem-to-mem device */
500 #define V4L2_CAP_VIDEO_M2M		0x00008000
501 
502 #define V4L2_CAP_TUNER			0x00010000  /* has a tuner */
503 #define V4L2_CAP_AUDIO			0x00020000  /* has audio support */
504 #define V4L2_CAP_RADIO			0x00040000  /* is a radio device */
505 #define V4L2_CAP_MODULATOR		0x00080000  /* has a modulator */
506 
507 #define V4L2_CAP_SDR_CAPTURE		0x00100000  /* Is a SDR capture device */
508 #define V4L2_CAP_EXT_PIX_FORMAT		0x00200000  /* Supports the extended pixel format */
509 #define V4L2_CAP_SDR_OUTPUT		0x00400000  /* Is a SDR output device */
510 #define V4L2_CAP_META_CAPTURE		0x00800000  /* Is a metadata capture device */
511 
512 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
513 #define V4L2_CAP_EDID			0x02000000  /* Is an EDID-only device */
514 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
515 #define V4L2_CAP_META_OUTPUT		0x08000000  /* Is a metadata output device */
516 
517 #define V4L2_CAP_TOUCH                  0x10000000  /* Is a touch device */
518 
519 #define V4L2_CAP_IO_MC			0x20000000  /* Is input/output controlled by the media controller */
520 
521 #define V4L2_CAP_DEVICE_CAPS            0x80000000  /* sets device capabilities field */
522 
523 /*
524  *	V I D E O   I M A G E   F O R M A T
525  */
526 struct v4l2_pix_format {
527 	__u32			width;
528 	__u32			height;
529 	__u32			pixelformat;
530 	__u32			field;		/* enum v4l2_field */
531 	__u32			bytesperline;	/* for padding, zero if unused */
532 	__u32			sizeimage;
533 	__u32			colorspace;	/* enum v4l2_colorspace */
534 	__u32			priv;		/* private data, depends on pixelformat */
535 	__u32			flags;		/* format flags (V4L2_PIX_FMT_FLAG_*) */
536 	union {
537 		/* enum v4l2_ycbcr_encoding */
538 		__u32			ycbcr_enc;
539 		/* enum v4l2_hsv_encoding */
540 		__u32			hsv_enc;
541 	};
542 	__u32			quantization;	/* enum v4l2_quantization */
543 	__u32			xfer_func;	/* enum v4l2_xfer_func */
544 };
545 
546 /*      Pixel format         FOURCC                          depth  Description  */
547 
548 /* RGB formats (1 or 2 bytes per pixel) */
549 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
550 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
551 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16  aaaarrrr ggggbbbb */
552 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16  xxxxrrrr ggggbbbb */
553 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16  rrrrgggg bbbbaaaa */
554 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16  rrrrgggg bbbbxxxx */
555 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16  aaaabbbb ggggrrrr */
556 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16  xxxxbbbb ggggrrrr */
557 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16  bbbbgggg rrrraaaa */
558 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16  bbbbgggg rrrrxxxx */
559 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
560 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16  ARGB-1-5-5-5  */
561 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16  XRGB-1-5-5-5  */
562 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16  RGBA-5-5-5-1  */
563 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16  RGBX-5-5-5-1  */
564 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16  ABGR-1-5-5-5  */
565 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16  XBGR-1-5-5-5  */
566 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16  BGRA-5-5-5-1  */
567 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16  BGRX-5-5-5-1  */
568 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
569 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
570 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16  ARGB-5-5-5 BE */
571 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16  XRGB-5-5-5 BE */
572 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
573 
574 /* RGB formats (3 or 4 bytes per pixel) */
575 #define V4L2_PIX_FMT_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6	  */
576 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
577 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
578 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
579 #define V4L2_PIX_FMT_ABGR32  v4l2_fourcc('A', 'R', '2', '4') /* 32  BGRA-8-8-8-8  */
580 #define V4L2_PIX_FMT_XBGR32  v4l2_fourcc('X', 'R', '2', '4') /* 32  BGRX-8-8-8-8  */
581 #define V4L2_PIX_FMT_BGRA32  v4l2_fourcc('R', 'A', '2', '4') /* 32  ABGR-8-8-8-8  */
582 #define V4L2_PIX_FMT_BGRX32  v4l2_fourcc('R', 'X', '2', '4') /* 32  XBGR-8-8-8-8  */
583 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
584 #define V4L2_PIX_FMT_RGBA32  v4l2_fourcc('A', 'B', '2', '4') /* 32  RGBA-8-8-8-8  */
585 #define V4L2_PIX_FMT_RGBX32  v4l2_fourcc('X', 'B', '2', '4') /* 32  RGBX-8-8-8-8  */
586 #define V4L2_PIX_FMT_ARGB32  v4l2_fourcc('B', 'A', '2', '4') /* 32  ARGB-8-8-8-8  */
587 #define V4L2_PIX_FMT_XRGB32  v4l2_fourcc('B', 'X', '2', '4') /* 32  XRGB-8-8-8-8  */
588 #define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32  RGBX-10-10-10-2 */
589 #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32  RGBA-10-10-10-2 */
590 #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32  ARGB-2-10-10-10 */
591 
592 /* RGB formats (6 or 8 bytes per pixel) */
593 #define V4L2_PIX_FMT_BGR48_12    v4l2_fourcc('B', '3', '1', '2') /* 48  BGR 12-bit per component */
594 #define V4L2_PIX_FMT_BGR48       v4l2_fourcc('B', 'G', 'R', '6') /* 48  BGR 16-bit per component */
595 #define V4L2_PIX_FMT_RGB48       v4l2_fourcc('R', 'G', 'B', '6') /* 48  RGB 16-bit per component */
596 #define V4L2_PIX_FMT_ABGR64_12   v4l2_fourcc('B', '4', '1', '2') /* 64  BGRA 12-bit per component */
597 
598 /* Grey formats */
599 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
600 #define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
601 #define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
602 #define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
603 #define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
604 #define V4L2_PIX_FMT_Y012    v4l2_fourcc('Y', '0', '1', '2') /* 12  Greyscale     */
605 #define V4L2_PIX_FMT_Y14     v4l2_fourcc('Y', '1', '4', ' ') /* 14  Greyscale     */
606 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
607 #define V4L2_PIX_FMT_Y16_BE  v4l2_fourcc_be('Y', '1', '6', ' ') /* 16  Greyscale BE  */
608 
609 /* Grey bit-packed formats */
610 #define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
611 #define V4L2_PIX_FMT_Y10P    v4l2_fourcc('Y', '1', '0', 'P') /* 10  Greyscale, MIPI RAW10 packed */
612 #define V4L2_PIX_FMT_IPU3_Y10		v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
613 #define V4L2_PIX_FMT_Y12P    v4l2_fourcc('Y', '1', '2', 'P') /* 12  Greyscale, MIPI RAW12 packed */
614 #define V4L2_PIX_FMT_Y14P    v4l2_fourcc('Y', '1', '4', 'P') /* 14  Greyscale, MIPI RAW14 packed */
615 
616 /* Palette formats */
617 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
618 
619 /* Chrominance formats */
620 #define V4L2_PIX_FMT_UV8     v4l2_fourcc('U', 'V', '8', ' ') /*  8  UV 4:4 */
621 
622 /* Luminance+Chrominance formats */
623 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
624 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
625 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
626 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
627 #define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
628 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
629 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
630 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
631 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
632 #define V4L2_PIX_FMT_YUV24   v4l2_fourcc('Y', 'U', 'V', '3') /* 24  YUV-8-8-8     */
633 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
634 #define V4L2_PIX_FMT_AYUV32  v4l2_fourcc('A', 'Y', 'U', 'V') /* 32  AYUV-8-8-8-8  */
635 #define V4L2_PIX_FMT_XYUV32  v4l2_fourcc('X', 'Y', 'U', 'V') /* 32  XYUV-8-8-8-8  */
636 #define V4L2_PIX_FMT_VUYA32  v4l2_fourcc('V', 'U', 'Y', 'A') /* 32  VUYA-8-8-8-8  */
637 #define V4L2_PIX_FMT_VUYX32  v4l2_fourcc('V', 'U', 'Y', 'X') /* 32  VUYX-8-8-8-8  */
638 #define V4L2_PIX_FMT_YUVA32  v4l2_fourcc('Y', 'U', 'V', 'A') /* 32  YUVA-8-8-8-8  */
639 #define V4L2_PIX_FMT_YUVX32  v4l2_fourcc('Y', 'U', 'V', 'X') /* 32  YUVX-8-8-8-8  */
640 #define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
641 #define V4L2_PIX_FMT_YUV48_12    v4l2_fourcc('Y', '3', '1', '2') /* 48  YUV 4:4:4 12-bit per component */
642 
643 /*
644  * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs
645  * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
646  */
647 #define V4L2_PIX_FMT_Y210    v4l2_fourcc('Y', '2', '1', '0') /* 32  YUYV 4:2:2 */
648 #define V4L2_PIX_FMT_Y212    v4l2_fourcc('Y', '2', '1', '2') /* 32  YUYV 4:2:2 */
649 #define V4L2_PIX_FMT_Y216    v4l2_fourcc('Y', '2', '1', '6') /* 32  YUYV 4:2:2 */
650 
651 /* two planes -- one Y, one Cr + Cb interleaved  */
652 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
653 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
654 #define V4L2_PIX_FMT_NV15    v4l2_fourcc('N', 'V', '1', '5') /* 15  Y/CbCr 4:2:0 10-bit packed */
655 #define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
656 #define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
657 #define V4L2_PIX_FMT_NV20    v4l2_fourcc('N', 'V', '2', '0') /* 20  Y/CbCr 4:2:2 10-bit packed */
658 #define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
659 #define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */
660 #define V4L2_PIX_FMT_P010    v4l2_fourcc('P', '0', '1', '0') /* 24  Y/CbCr 4:2:0 10-bit per component */
661 #define V4L2_PIX_FMT_P012    v4l2_fourcc('P', '0', '1', '2') /* 24  Y/CbCr 4:2:0 12-bit per component */
662 
663 /* two non contiguous planes - one Y, one Cr + Cb interleaved  */
664 #define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
665 #define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
666 #define V4L2_PIX_FMT_NV16M   v4l2_fourcc('N', 'M', '1', '6') /* 16  Y/CbCr 4:2:2  */
667 #define V4L2_PIX_FMT_NV61M   v4l2_fourcc('N', 'M', '6', '1') /* 16  Y/CrCb 4:2:2  */
668 #define V4L2_PIX_FMT_P012M   v4l2_fourcc('P', 'M', '1', '2') /* 24  Y/CbCr 4:2:0 12-bit per component */
669 
670 /* three planes - Y Cb, Cr */
671 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
672 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
673 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12  YVU411 planar */
674 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
675 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
676 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
677 
678 /* three non contiguous planes - Y, Cb, Cr */
679 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
680 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */
681 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16  YUV422 planar */
682 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16  YVU422 planar */
683 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24  YUV444 planar */
684 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24  YVU444 planar */
685 
686 /* Tiled YUV formats */
687 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2')   /* 12  Y/CbCr 4:2:0  4x4 tiles */
688 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 tiles */
689 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12  Y/CbCr 4:2:0 32x32 tiles */
690 #define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */
691 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12  Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
692 #define V4L2_PIX_FMT_NV12_8L128       v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
693 #define V4L2_PIX_FMT_NV12_10BE_8L128  v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
694 
695 /* Tiled YUV formats, non contiguous planes */
696 #define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 tiles */
697 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 tiles */
698 #define V4L2_PIX_FMT_NV12M_8L128      v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
699 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
700 
701 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
702 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
703 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
704 #define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
705 #define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
706 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
707 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
708 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
709 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
710 	/* 10bit raw bayer packed, 5 bytes for every 4 pixels */
711 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
712 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
713 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
714 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
715 	/* 10bit raw bayer a-law compressed to 8 bits */
716 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
717 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
718 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
719 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
720 	/* 10bit raw bayer DPCM compressed to 8 bits */
721 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
722 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
723 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
724 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
725 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
726 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
727 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
728 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
729 	/* 12bit raw bayer packed, 3 bytes for every 2 pixels */
730 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
731 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
732 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
733 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
734 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14  BGBG.. GRGR.. */
735 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14  GBGB.. RGRG.. */
736 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14  GRGR.. BGBG.. */
737 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14  RGRG.. GBGB.. */
738 	/* 14bit raw bayer packed, 7 bytes for every 4 pixels */
739 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
740 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
741 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
742 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
743 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
744 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16  GBGB.. RGRG.. */
745 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16  GRGR.. BGBG.. */
746 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16  RGRG.. GBGB.. */
747 
748 /* HSV formats */
749 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
750 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
751 
752 /* compressed formats */
753 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
754 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
755 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
756 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
757 #define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
758 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
759 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
760 #define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
761 #define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
762 #define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
763 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
764 #define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
765 #define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
766 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
767 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
768 #define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
769 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
770 #define V4L2_PIX_FMT_VP9      v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
771 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
772 #define V4L2_PIX_FMT_HEVC     v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
773 #define V4L2_PIX_FMT_FWHT     v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
774 #define V4L2_PIX_FMT_FWHT_STATELESS     v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
775 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
776 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
777 #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */
778 #define V4L2_PIX_FMT_SPK      v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */
779 #define V4L2_PIX_FMT_RV30     v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
780 #define V4L2_PIX_FMT_RV40     v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */
781 
782 /*  Vendor-specific formats   */
783 #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
784 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
785 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
786 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
787 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
788 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
789 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
790 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
791 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
792 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
793 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
794 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
795 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
796 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
797 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
798 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
799 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
800 #define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
801 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
802 #define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
803 #define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
804 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
805 #define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
806 #define V4L2_PIX_FMT_JPGL	v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
807 #define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
808 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
809 #define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
810 #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
811 #define V4L2_PIX_FMT_Y16I     v4l2_fourcc('Y', '1', '6', 'I') /* Greyscale 16-bit L/R interleaved */
812 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
813 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
814 #define V4L2_PIX_FMT_MM21     v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
815 #define V4L2_PIX_FMT_MT2110T  v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */
816 #define V4L2_PIX_FMT_MT2110R  v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */
817 #define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
818 #define V4L2_PIX_FMT_CNF4     v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
819 #define V4L2_PIX_FMT_HI240    v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
820 #define V4L2_PIX_FMT_QC08C    v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
821 #define V4L2_PIX_FMT_QC10C    v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
822 #define V4L2_PIX_FMT_AJPG     v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
823 #define V4L2_PIX_FMT_HEXTILE  v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */
824 
825 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
826 #define V4L2_PIX_FMT_IPU3_SBGGR10	v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
827 #define V4L2_PIX_FMT_IPU3_SGBRG10	v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
828 #define V4L2_PIX_FMT_IPU3_SGRBG10	v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
829 #define V4L2_PIX_FMT_IPU3_SRGGB10	v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
830 
831 /* Raspberry Pi PiSP compressed formats. */
832 #define V4L2_PIX_FMT_PISP_COMP1_RGGB	v4l2_fourcc('P', 'C', '1', 'R') /* PiSP 8-bit mode 1 compressed RGGB bayer */
833 #define V4L2_PIX_FMT_PISP_COMP1_GRBG	v4l2_fourcc('P', 'C', '1', 'G') /* PiSP 8-bit mode 1 compressed GRBG bayer */
834 #define V4L2_PIX_FMT_PISP_COMP1_GBRG	v4l2_fourcc('P', 'C', '1', 'g') /* PiSP 8-bit mode 1 compressed GBRG bayer */
835 #define V4L2_PIX_FMT_PISP_COMP1_BGGR	v4l2_fourcc('P', 'C', '1', 'B') /* PiSP 8-bit mode 1 compressed BGGR bayer */
836 #define V4L2_PIX_FMT_PISP_COMP1_MONO	v4l2_fourcc('P', 'C', '1', 'M') /* PiSP 8-bit mode 1 compressed monochrome */
837 #define V4L2_PIX_FMT_PISP_COMP2_RGGB	v4l2_fourcc('P', 'C', '2', 'R') /* PiSP 8-bit mode 2 compressed RGGB bayer */
838 #define V4L2_PIX_FMT_PISP_COMP2_GRBG	v4l2_fourcc('P', 'C', '2', 'G') /* PiSP 8-bit mode 2 compressed GRBG bayer */
839 #define V4L2_PIX_FMT_PISP_COMP2_GBRG	v4l2_fourcc('P', 'C', '2', 'g') /* PiSP 8-bit mode 2 compressed GBRG bayer */
840 #define V4L2_PIX_FMT_PISP_COMP2_BGGR	v4l2_fourcc('P', 'C', '2', 'B') /* PiSP 8-bit mode 2 compressed BGGR bayer */
841 #define V4L2_PIX_FMT_PISP_COMP2_MONO	v4l2_fourcc('P', 'C', '2', 'M') /* PiSP 8-bit mode 2 compressed monochrome */
842 
843 /* Renesas RZ/V2H CRU packed formats. 64-bit units with contiguous pixels */
844 #define V4L2_PIX_FMT_RAW_CRU10	v4l2_fourcc('C', 'R', '1', '0')
845 #define V4L2_PIX_FMT_RAW_CRU12	v4l2_fourcc('C', 'R', '1', '2')
846 #define V4L2_PIX_FMT_RAW_CRU14	v4l2_fourcc('C', 'R', '1', '4')
847 #define V4L2_PIX_FMT_RAW_CRU20	v4l2_fourcc('C', 'R', '2', '0')
848 
849 /* SDR formats - used only for Software Defined Radio devices */
850 #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
851 #define V4L2_SDR_FMT_CU16LE       v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
852 #define V4L2_SDR_FMT_CS8          v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
853 #define V4L2_SDR_FMT_CS14LE       v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
854 #define V4L2_SDR_FMT_RU12LE       v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
855 #define V4L2_SDR_FMT_PCU16BE	  v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
856 #define V4L2_SDR_FMT_PCU18BE	  v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
857 #define V4L2_SDR_FMT_PCU20BE	  v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
858 
859 /* Touch formats - used for Touch devices */
860 #define V4L2_TCH_FMT_DELTA_TD16	v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
861 #define V4L2_TCH_FMT_DELTA_TD08	v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
862 #define V4L2_TCH_FMT_TU16	v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
863 #define V4L2_TCH_FMT_TU08	v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
864 
865 /* Meta-data formats */
866 #define V4L2_META_FMT_VSP1_HGO    v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
867 #define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
868 #define V4L2_META_FMT_UVC         v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
869 #define V4L2_META_FMT_D4XX        v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
870 #define V4L2_META_FMT_UVC_MSXU_1_5  v4l2_fourcc('U', 'V', 'C', 'M') /* UVC MSXU metadata */
871 #define V4L2_META_FMT_VIVID	  v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
872 
873 /* Vendor specific - used for RK_ISP1 camera sub-system */
874 #define V4L2_META_FMT_RK_ISP1_PARAMS	v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
875 #define V4L2_META_FMT_RK_ISP1_STAT_3A	v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
876 #define V4L2_META_FMT_RK_ISP1_EXT_PARAMS	v4l2_fourcc('R', 'K', '1', 'E') /* Rockchip ISP1 3a Extensible Parameters */
877 
878 /* Vendor specific - used for C3_ISP */
879 #define V4L2_META_FMT_C3ISP_PARAMS	v4l2_fourcc('C', '3', 'P', 'M') /* Amlogic C3 ISP Parameters */
880 #define V4L2_META_FMT_C3ISP_STATS	v4l2_fourcc('C', '3', 'S', 'T') /* Amlogic C3 ISP Statistics */
881 
882 /* Vendor specific - used for RaspberryPi PiSP */
883 #define V4L2_META_FMT_RPI_BE_CFG	v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */
884 #define V4L2_META_FMT_RPI_FE_CFG	v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */
885 #define V4L2_META_FMT_RPI_FE_STATS	v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */
886 
887 #ifdef __KERNEL__
888 /*
889  * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when
890  * adding new ones!
891  */
892 #define V4L2_META_FMT_GENERIC_8		v4l2_fourcc('M', 'E', 'T', '8') /* Generic 8-bit metadata */
893 #define V4L2_META_FMT_GENERIC_CSI2_10	v4l2_fourcc('M', 'C', '1', 'A') /* 10-bit CSI-2 packed 8-bit metadata */
894 #define V4L2_META_FMT_GENERIC_CSI2_12	v4l2_fourcc('M', 'C', '1', 'C') /* 12-bit CSI-2 packed 8-bit metadata */
895 #define V4L2_META_FMT_GENERIC_CSI2_14	v4l2_fourcc('M', 'C', '1', 'E') /* 14-bit CSI-2 packed 8-bit metadata */
896 #define V4L2_META_FMT_GENERIC_CSI2_16	v4l2_fourcc('M', 'C', '1', 'G') /* 16-bit CSI-2 packed 8-bit metadata */
897 #define V4L2_META_FMT_GENERIC_CSI2_20	v4l2_fourcc('M', 'C', '1', 'K') /* 20-bit CSI-2 packed 8-bit metadata */
898 #define V4L2_META_FMT_GENERIC_CSI2_24	v4l2_fourcc('M', 'C', '1', 'O') /* 24-bit CSI-2 packed 8-bit metadata */
899 #endif
900 
901 /* priv field value to indicates that subsequent fields are valid. */
902 #define V4L2_PIX_FMT_PRIV_MAGIC		0xfeedcafe
903 
904 /* Flags */
905 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA	0x00000001
906 #define V4L2_PIX_FMT_FLAG_SET_CSC	0x00000002
907 
908 /*
909  *	F O R M A T   E N U M E R A T I O N
910  */
911 struct v4l2_fmtdesc {
912 	__u32		    index;             /* Format number      */
913 	__u32		    type;              /* enum v4l2_buf_type */
914 	__u32               flags;
915 	__u8		    description[32];   /* Description string */
916 	__u32		    pixelformat;       /* Format fourcc      */
917 	__u32		    mbus_code;		/* Media bus code    */
918 	__u32		    reserved[3];
919 };
920 
921 #define V4L2_FMT_FLAG_COMPRESSED		0x0001
922 #define V4L2_FMT_FLAG_EMULATED			0x0002
923 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM	0x0004
924 #define V4L2_FMT_FLAG_DYN_RESOLUTION		0x0008
925 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL	0x0010
926 #define V4L2_FMT_FLAG_CSC_COLORSPACE		0x0020
927 #define V4L2_FMT_FLAG_CSC_XFER_FUNC		0x0040
928 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC		0x0080
929 #define V4L2_FMT_FLAG_CSC_HSV_ENC		V4L2_FMT_FLAG_CSC_YCBCR_ENC
930 #define V4L2_FMT_FLAG_CSC_QUANTIZATION		0x0100
931 #define V4L2_FMT_FLAG_META_LINE_BASED		0x0200
932 
933 /*  Format description flag, to be ORed with the index */
934 #define V4L2_FMTDESC_FLAG_ENUM_ALL		0x80000000
935 
936 	/* Frame Size and frame rate enumeration */
937 /*
938  *	F R A M E   S I Z E   E N U M E R A T I O N
939  */
940 enum v4l2_frmsizetypes {
941 	V4L2_FRMSIZE_TYPE_DISCRETE	= 1,
942 	V4L2_FRMSIZE_TYPE_CONTINUOUS	= 2,
943 	V4L2_FRMSIZE_TYPE_STEPWISE	= 3,
944 };
945 
946 struct v4l2_frmsize_discrete {
947 	__u32			width;		/* Frame width [pixel] */
948 	__u32			height;		/* Frame height [pixel] */
949 };
950 
951 struct v4l2_frmsize_stepwise {
952 	__u32			min_width;	/* Minimum frame width [pixel] */
953 	__u32			max_width;	/* Maximum frame width [pixel] */
954 	__u32			step_width;	/* Frame width step size [pixel] */
955 	__u32			min_height;	/* Minimum frame height [pixel] */
956 	__u32			max_height;	/* Maximum frame height [pixel] */
957 	__u32			step_height;	/* Frame height step size [pixel] */
958 };
959 
960 struct v4l2_frmsizeenum {
961 	__u32			index;		/* Frame size number */
962 	__u32			pixel_format;	/* Pixel format */
963 	__u32			type;		/* Frame size type the device supports. */
964 
965 	union {					/* Frame size */
966 		struct v4l2_frmsize_discrete	discrete;
967 		struct v4l2_frmsize_stepwise	stepwise;
968 	};
969 
970 	__u32   reserved[2];			/* Reserved space for future use */
971 };
972 
973 /*
974  *	F R A M E   R A T E   E N U M E R A T I O N
975  */
976 enum v4l2_frmivaltypes {
977 	V4L2_FRMIVAL_TYPE_DISCRETE	= 1,
978 	V4L2_FRMIVAL_TYPE_CONTINUOUS	= 2,
979 	V4L2_FRMIVAL_TYPE_STEPWISE	= 3,
980 };
981 
982 struct v4l2_frmival_stepwise {
983 	struct v4l2_fract	min;		/* Minimum frame interval [s] */
984 	struct v4l2_fract	max;		/* Maximum frame interval [s] */
985 	struct v4l2_fract	step;		/* Frame interval step size [s] */
986 };
987 
988 struct v4l2_frmivalenum {
989 	__u32			index;		/* Frame format index */
990 	__u32			pixel_format;	/* Pixel format */
991 	__u32			width;		/* Frame width */
992 	__u32			height;		/* Frame height */
993 	__u32			type;		/* Frame interval type the device supports. */
994 
995 	union {					/* Frame interval */
996 		struct v4l2_fract		discrete;
997 		struct v4l2_frmival_stepwise	stepwise;
998 	};
999 
1000 	__u32	reserved[2];			/* Reserved space for future use */
1001 };
1002 
1003 /*
1004  *	T I M E C O D E
1005  */
1006 struct v4l2_timecode {
1007 	__u32	type;
1008 	__u32	flags;
1009 	__u8	frames;
1010 	__u8	seconds;
1011 	__u8	minutes;
1012 	__u8	hours;
1013 	__u8	userbits[4];
1014 };
1015 
1016 /*  Type  */
1017 #define V4L2_TC_TYPE_24FPS		1
1018 #define V4L2_TC_TYPE_25FPS		2
1019 #define V4L2_TC_TYPE_30FPS		3
1020 #define V4L2_TC_TYPE_50FPS		4
1021 #define V4L2_TC_TYPE_60FPS		5
1022 
1023 /*  Flags  */
1024 #define V4L2_TC_FLAG_DROPFRAME		0x0001 /* "drop-frame" mode */
1025 #define V4L2_TC_FLAG_COLORFRAME		0x0002
1026 #define V4L2_TC_USERBITS_field		0x000C
1027 #define V4L2_TC_USERBITS_USERDEFINED	0x0000
1028 #define V4L2_TC_USERBITS_8BITCHARS	0x0008
1029 /* The above is based on SMPTE timecodes */
1030 
1031 struct v4l2_jpegcompression {
1032 	int quality;
1033 
1034 	int  APPn;              /* Number of APP segment to be written,
1035 				 * must be 0..15 */
1036 	int  APP_len;           /* Length of data in JPEG APPn segment */
1037 	char APP_data[60];      /* Data in the JPEG APPn segment. */
1038 
1039 	int  COM_len;           /* Length of data in JPEG COM segment */
1040 	char COM_data[60];      /* Data in JPEG COM segment */
1041 
1042 	__u32 jpeg_markers;     /* Which markers should go into the JPEG
1043 				 * output. Unless you exactly know what
1044 				 * you do, leave them untouched.
1045 				 * Including less markers will make the
1046 				 * resulting code smaller, but there will
1047 				 * be fewer applications which can read it.
1048 				 * The presence of the APP and COM marker
1049 				 * is influenced by APP_len and COM_len
1050 				 * ONLY, not by this property! */
1051 
1052 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
1053 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
1054 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
1055 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
1056 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
1057 					* always use APP0 */
1058 };
1059 
1060 /*
1061  *	M E M O R Y - M A P P I N G   B U F F E R S
1062  */
1063 
1064 #ifdef __KERNEL__
1065 /*
1066  * This corresponds to the user space version of timeval
1067  * for 64-bit time_t. sparc64 is different from everyone
1068  * else, using the microseconds in the wrong half of the
1069  * second 64-bit word.
1070  */
1071 struct __kernel_v4l2_timeval {
1072 	long long	tv_sec;
1073 #if defined(__sparc__) && defined(__arch64__)
1074 	int		tv_usec;
1075 	int		__pad;
1076 #else
1077 	long long	tv_usec;
1078 #endif
1079 };
1080 #endif
1081 
1082 struct v4l2_requestbuffers {
1083 	__u32			count;
1084 	__u32			type;		/* enum v4l2_buf_type */
1085 	__u32			memory;		/* enum v4l2_memory */
1086 	__u32			capabilities;
1087 	__u8			flags;
1088 	__u8			reserved[3];
1089 };
1090 
1091 #define V4L2_MEMORY_FLAG_NON_COHERENT			(1 << 0)
1092 
1093 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
1094 #define V4L2_BUF_CAP_SUPPORTS_MMAP			(1 << 0)
1095 #define V4L2_BUF_CAP_SUPPORTS_USERPTR			(1 << 1)
1096 #define V4L2_BUF_CAP_SUPPORTS_DMABUF			(1 << 2)
1097 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS			(1 << 3)
1098 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS		(1 << 4)
1099 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF	(1 << 5)
1100 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS		(1 << 6)
1101 #define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS		(1 << 7)
1102 #define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS		(1 << 8)
1103 
1104 /**
1105  * struct v4l2_plane - plane info for multi-planar buffers
1106  * @bytesused:		number of bytes occupied by data in the plane (payload)
1107  * @length:		size of this plane (NOT the payload) in bytes
1108  * @m.mem_offset:	when memory in the associated struct v4l2_buffer is
1109  *			V4L2_MEMORY_MMAP, equals the offset from the start of
1110  *			the device memory for this plane (or is a "cookie" that
1111  *			should be passed to mmap() called on the video node)
1112  * @m.userptr:		when memory is V4L2_MEMORY_USERPTR, a userspace pointer
1113  *			pointing to this plane
1114  * @m.fd:		when memory is V4L2_MEMORY_DMABUF, a userspace file
1115  *			descriptor associated with this plane
1116  * @m:			union of @mem_offset, @userptr and @fd
1117  * @data_offset:	offset in the plane to the start of data; usually 0,
1118  *			unless there is a header in front of the data
1119  * @reserved:		drivers and applications must zero this array
1120  *
1121  * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1122  * with two planes can have one plane for Y, and another for interleaved CbCr
1123  * components. Each plane can reside in a separate memory buffer, or even in
1124  * a completely separate memory node (e.g. in embedded devices).
1125  */
1126 struct v4l2_plane {
1127 	__u32			bytesused;
1128 	__u32			length;
1129 	union {
1130 		__u32		mem_offset;
1131 		unsigned long	userptr;
1132 		__s32		fd;
1133 	} m;
1134 	__u32			data_offset;
1135 	__u32			reserved[11];
1136 };
1137 
1138 /**
1139  * struct v4l2_buffer - video buffer info
1140  * @index:	id number of the buffer
1141  * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
1142  *		multiplanar buffers);
1143  * @bytesused:	number of bytes occupied by data in the buffer (payload);
1144  *		unused (set to 0) for multiplanar buffers
1145  * @flags:	buffer informational flags
1146  * @field:	enum v4l2_field; field order of the image in the buffer
1147  * @timestamp:	frame timestamp
1148  * @timecode:	frame timecode
1149  * @sequence:	sequence count of this frame
1150  * @memory:	enum v4l2_memory; the method, in which the actual video data is
1151  *		passed
1152  * @m.offset:	for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1153  *		offset from the start of the device memory for this plane,
1154  *		(or a "cookie" that should be passed to mmap() as offset)
1155  * @m.userptr:	for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1156  *		a userspace pointer pointing to this buffer
1157  * @m.fd:		for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1158  *		a userspace file descriptor associated with this buffer
1159  * @m.planes:	for multiplanar buffers; userspace pointer to the array of plane
1160  *		info structs for this buffer
1161  * @m:		union of @offset, @userptr, @planes and @fd
1162  * @length:	size in bytes of the buffer (NOT its payload) for single-plane
1163  *		buffers (when type != *_MPLANE); number of elements in the
1164  *		planes array for multi-plane buffers
1165  * @reserved2:	drivers and applications must zero this field
1166  * @request_fd: fd of the request that this buffer should use
1167  * @reserved:	for backwards compatibility with applications that do not know
1168  *		about @request_fd
1169  *
1170  * Contains data exchanged by application and driver using one of the Streaming
1171  * I/O methods.
1172  */
1173 struct v4l2_buffer {
1174 	__u32			index;
1175 	__u32			type;
1176 	__u32			bytesused;
1177 	__u32			flags;
1178 	__u32			field;
1179 #ifdef __KERNEL__
1180 	struct __kernel_v4l2_timeval timestamp;
1181 #else
1182 	struct timeval		timestamp;
1183 #endif
1184 	struct v4l2_timecode	timecode;
1185 	__u32			sequence;
1186 
1187 	/* memory location */
1188 	__u32			memory;
1189 	union {
1190 		__u32           offset;
1191 		unsigned long   userptr;
1192 		struct v4l2_plane *planes;
1193 		__s32		fd;
1194 	} m;
1195 	__u32			length;
1196 	__u32			reserved2;
1197 	union {
1198 		__s32		request_fd;
1199 		__u32		reserved;
1200 	};
1201 };
1202 
1203 #ifndef __KERNEL__
1204 /**
1205  * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1206  * @tv:		pointer to the timeval variable to be converted
1207  *
1208  * Returns the scalar nanosecond representation of the timeval
1209  * parameter.
1210  */
v4l2_timeval_to_ns(const struct timeval * tv)1211 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1212 {
1213 	return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1214 }
1215 #endif
1216 
1217 /*  Flags for 'flags' field */
1218 /* Buffer is mapped (flag) */
1219 #define V4L2_BUF_FLAG_MAPPED			0x00000001
1220 /* Buffer is queued for processing */
1221 #define V4L2_BUF_FLAG_QUEUED			0x00000002
1222 /* Buffer is ready */
1223 #define V4L2_BUF_FLAG_DONE			0x00000004
1224 /* Image is a keyframe (I-frame) */
1225 #define V4L2_BUF_FLAG_KEYFRAME			0x00000008
1226 /* Image is a P-frame */
1227 #define V4L2_BUF_FLAG_PFRAME			0x00000010
1228 /* Image is a B-frame */
1229 #define V4L2_BUF_FLAG_BFRAME			0x00000020
1230 /* Buffer is ready, but the data contained within is corrupted. */
1231 #define V4L2_BUF_FLAG_ERROR			0x00000040
1232 /* Buffer is added to an unqueued request */
1233 #define V4L2_BUF_FLAG_IN_REQUEST		0x00000080
1234 /* timecode field is valid */
1235 #define V4L2_BUF_FLAG_TIMECODE			0x00000100
1236 /* Don't return the capture buffer until OUTPUT timestamp changes */
1237 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF	0x00000200
1238 /* Buffer is prepared for queuing */
1239 #define V4L2_BUF_FLAG_PREPARED			0x00000400
1240 /* Cache handling flags */
1241 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE	0x00000800
1242 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN		0x00001000
1243 /* Timestamp type */
1244 #define V4L2_BUF_FLAG_TIMESTAMP_MASK		0x0000e000
1245 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN		0x00000000
1246 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC	0x00002000
1247 #define V4L2_BUF_FLAG_TIMESTAMP_COPY		0x00004000
1248 /* Timestamp sources. */
1249 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK		0x00070000
1250 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF		0x00000000
1251 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE		0x00010000
1252 /* mem2mem encoder/decoder */
1253 #define V4L2_BUF_FLAG_LAST			0x00100000
1254 /* request_fd is valid */
1255 #define V4L2_BUF_FLAG_REQUEST_FD		0x00800000
1256 
1257 /**
1258  * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1259  *
1260  * @index:	id number of the buffer
1261  * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
1262  *		multiplanar buffers);
1263  * @plane:	index of the plane to be exported, 0 for single plane queues
1264  * @flags:	flags for newly created file, currently only O_CLOEXEC is
1265  *		supported, refer to manual of open syscall for more details
1266  * @fd:		file descriptor associated with DMABUF (set by driver)
1267  * @reserved:	drivers and applications must zero this array
1268  *
1269  * Contains data used for exporting a video buffer as DMABUF file descriptor.
1270  * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1271  * (identical to the cookie used to mmap() the buffer to userspace). All
1272  * reserved fields must be set to zero. The field reserved0 is expected to
1273  * become a structure 'type' allowing an alternative layout of the structure
1274  * content. Therefore this field should not be used for any other extensions.
1275  */
1276 struct v4l2_exportbuffer {
1277 	__u32		type; /* enum v4l2_buf_type */
1278 	__u32		index;
1279 	__u32		plane;
1280 	__u32		flags;
1281 	__s32		fd;
1282 	__u32		reserved[11];
1283 };
1284 
1285 /*
1286  *	O V E R L A Y   P R E V I E W
1287  */
1288 struct v4l2_framebuffer {
1289 	__u32			capability;
1290 	__u32			flags;
1291 /* FIXME: in theory we should pass something like PCI device + memory
1292  * region + offset instead of some physical address */
1293 	void                    *base;
1294 	struct {
1295 		__u32		width;
1296 		__u32		height;
1297 		__u32		pixelformat;
1298 		__u32		field;		/* enum v4l2_field */
1299 		__u32		bytesperline;	/* for padding, zero if unused */
1300 		__u32		sizeimage;
1301 		__u32		colorspace;	/* enum v4l2_colorspace */
1302 		__u32		priv;		/* reserved field, set to 0 */
1303 	} fmt;
1304 };
1305 /*  Flags for the 'capability' field. Read only */
1306 #define V4L2_FBUF_CAP_EXTERNOVERLAY	0x0001
1307 #define V4L2_FBUF_CAP_CHROMAKEY		0x0002
1308 #ifndef __KERNEL__
1309 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
1310 #define V4L2_FBUF_CAP_BITMAP_CLIPPING	0x0008
1311 #endif
1312 #define V4L2_FBUF_CAP_LOCAL_ALPHA	0x0010
1313 #define V4L2_FBUF_CAP_GLOBAL_ALPHA	0x0020
1314 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA	0x0040
1315 #define V4L2_FBUF_CAP_SRC_CHROMAKEY	0x0080
1316 /*  Flags for the 'flags' field. */
1317 #define V4L2_FBUF_FLAG_PRIMARY		0x0001
1318 #define V4L2_FBUF_FLAG_OVERLAY		0x0002
1319 #define V4L2_FBUF_FLAG_CHROMAKEY	0x0004
1320 #define V4L2_FBUF_FLAG_LOCAL_ALPHA	0x0008
1321 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA	0x0010
1322 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA	0x0020
1323 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY	0x0040
1324 
1325 struct v4l2_clip {
1326 	struct v4l2_rect        c;
1327 	struct v4l2_clip	__user *next;
1328 };
1329 
1330 struct v4l2_window {
1331 	struct v4l2_rect        w;
1332 	__u32			field;	 /* enum v4l2_field */
1333 	__u32			chromakey;
1334 	struct v4l2_clip	*clips;
1335 	__u32			clipcount;
1336 	void			__user *bitmap;
1337 	__u8                    global_alpha;
1338 };
1339 
1340 /*
1341  *	C A P T U R E   P A R A M E T E R S
1342  */
1343 struct v4l2_captureparm {
1344 	__u32		   capability;	  /*  Supported modes */
1345 	__u32		   capturemode;	  /*  Current mode */
1346 	struct v4l2_fract  timeperframe;  /*  Time per frame in seconds */
1347 	__u32		   extendedmode;  /*  Driver-specific extensions */
1348 	__u32              readbuffers;   /*  # of buffers for read */
1349 	__u32		   reserved[4];
1350 };
1351 
1352 /*  Flags for 'capability' and 'capturemode' fields */
1353 #define V4L2_MODE_HIGHQUALITY	0x0001	/*  High quality imaging mode */
1354 #define V4L2_CAP_TIMEPERFRAME	0x1000	/*  timeperframe field is supported */
1355 
1356 struct v4l2_outputparm {
1357 	__u32		   capability;	 /*  Supported modes */
1358 	__u32		   outputmode;	 /*  Current mode */
1359 	struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
1360 	__u32		   extendedmode; /*  Driver-specific extensions */
1361 	__u32              writebuffers; /*  # of buffers for write */
1362 	__u32		   reserved[4];
1363 };
1364 
1365 /*
1366  *	I N P U T   I M A G E   C R O P P I N G
1367  */
1368 struct v4l2_cropcap {
1369 	__u32			type;	/* enum v4l2_buf_type */
1370 	struct v4l2_rect        bounds;
1371 	struct v4l2_rect        defrect;
1372 	struct v4l2_fract       pixelaspect;
1373 };
1374 
1375 struct v4l2_crop {
1376 	__u32			type;	/* enum v4l2_buf_type */
1377 	struct v4l2_rect        c;
1378 };
1379 
1380 /**
1381  * struct v4l2_selection - selection info
1382  * @type:	buffer type (do not use *_MPLANE types)
1383  * @target:	Selection target, used to choose one of possible rectangles;
1384  *		defined in v4l2-common.h; V4L2_SEL_TGT_* .
1385  * @flags:	constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1386  * @r:		coordinates of selection window
1387  * @reserved:	for future use, rounds structure size to 64 bytes, set to zero
1388  *
1389  * Hardware may use multiple helper windows to process a video stream.
1390  * The structure is used to exchange this selection areas between
1391  * an application and a driver.
1392  */
1393 struct v4l2_selection {
1394 	__u32			type;
1395 	__u32			target;
1396 	__u32                   flags;
1397 	struct v4l2_rect        r;
1398 	__u32                   reserved[9];
1399 };
1400 
1401 
1402 /*
1403  *      A N A L O G   V I D E O   S T A N D A R D
1404  */
1405 
1406 typedef __u64 v4l2_std_id;
1407 
1408 /*
1409  * Attention: Keep the V4L2_STD_* bit definitions in sync with
1410  * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1411  */
1412 /* one bit for each */
1413 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
1414 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
1415 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
1416 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
1417 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
1418 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
1419 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
1420 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
1421 
1422 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
1423 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
1424 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
1425 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
1426 
1427 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)	/* BTSC */
1428 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)	/* EIA-J */
1429 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
1430 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)	/* FM A2 */
1431 
1432 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
1433 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
1434 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
1435 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
1436 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
1437 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
1438 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
1439 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
1440 
1441 /* ATSC/HDTV */
1442 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
1443 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
1444 
1445 /* FIXME:
1446    Although std_id is 64 bits, there is an issue on PPC32 architecture that
1447    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1448    this value to 32 bits.
1449    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1450    it should work fine. However, if needed to add more than two standards,
1451    v4l2-common.c should be fixed.
1452  */
1453 
1454 /*
1455  * Some macros to merge video standards in order to make live easier for the
1456  * drivers and V4L2 applications
1457  */
1458 
1459 /*
1460  * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1461  * Missing here.
1462  */
1463 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
1464 				 V4L2_STD_NTSC_M_JP     |\
1465 				 V4L2_STD_NTSC_M_KR)
1466 /* Secam macros */
1467 #define V4L2_STD_SECAM_DK	(V4L2_STD_SECAM_D	|\
1468 				 V4L2_STD_SECAM_K	|\
1469 				 V4L2_STD_SECAM_K1)
1470 /* All Secam Standards */
1471 #define V4L2_STD_SECAM		(V4L2_STD_SECAM_B	|\
1472 				 V4L2_STD_SECAM_G	|\
1473 				 V4L2_STD_SECAM_H	|\
1474 				 V4L2_STD_SECAM_DK	|\
1475 				 V4L2_STD_SECAM_L       |\
1476 				 V4L2_STD_SECAM_LC)
1477 /* PAL macros */
1478 #define V4L2_STD_PAL_BG		(V4L2_STD_PAL_B		|\
1479 				 V4L2_STD_PAL_B1	|\
1480 				 V4L2_STD_PAL_G)
1481 #define V4L2_STD_PAL_DK		(V4L2_STD_PAL_D		|\
1482 				 V4L2_STD_PAL_D1	|\
1483 				 V4L2_STD_PAL_K)
1484 /*
1485  * "Common" PAL - This macro is there to be compatible with the old
1486  * V4L1 concept of "PAL": /BGDKHI.
1487  * Several PAL standards are missing here: /M, /N and /Nc
1488  */
1489 #define V4L2_STD_PAL		(V4L2_STD_PAL_BG	|\
1490 				 V4L2_STD_PAL_DK	|\
1491 				 V4L2_STD_PAL_H		|\
1492 				 V4L2_STD_PAL_I)
1493 /* Chroma "agnostic" standards */
1494 #define V4L2_STD_B		(V4L2_STD_PAL_B		|\
1495 				 V4L2_STD_PAL_B1	|\
1496 				 V4L2_STD_SECAM_B)
1497 #define V4L2_STD_G		(V4L2_STD_PAL_G		|\
1498 				 V4L2_STD_SECAM_G)
1499 #define V4L2_STD_H		(V4L2_STD_PAL_H		|\
1500 				 V4L2_STD_SECAM_H)
1501 #define V4L2_STD_L		(V4L2_STD_SECAM_L	|\
1502 				 V4L2_STD_SECAM_LC)
1503 #define V4L2_STD_GH		(V4L2_STD_G		|\
1504 				 V4L2_STD_H)
1505 #define V4L2_STD_DK		(V4L2_STD_PAL_DK	|\
1506 				 V4L2_STD_SECAM_DK)
1507 #define V4L2_STD_BG		(V4L2_STD_B		|\
1508 				 V4L2_STD_G)
1509 #define V4L2_STD_MN		(V4L2_STD_PAL_M		|\
1510 				 V4L2_STD_PAL_N		|\
1511 				 V4L2_STD_PAL_Nc	|\
1512 				 V4L2_STD_NTSC)
1513 
1514 /* Standards where MTS/BTSC stereo could be found */
1515 #define V4L2_STD_MTS		(V4L2_STD_NTSC_M	|\
1516 				 V4L2_STD_PAL_M		|\
1517 				 V4L2_STD_PAL_N		|\
1518 				 V4L2_STD_PAL_Nc)
1519 
1520 /* Standards for Countries with 60Hz Line frequency */
1521 #define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
1522 				 V4L2_STD_PAL_60	|\
1523 				 V4L2_STD_NTSC		|\
1524 				 V4L2_STD_NTSC_443)
1525 /* Standards for Countries with 50Hz Line frequency */
1526 #define V4L2_STD_625_50		(V4L2_STD_PAL		|\
1527 				 V4L2_STD_PAL_N		|\
1528 				 V4L2_STD_PAL_Nc	|\
1529 				 V4L2_STD_SECAM)
1530 
1531 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
1532 				 V4L2_STD_ATSC_16_VSB)
1533 /* Macros with none and all analog standards */
1534 #define V4L2_STD_UNKNOWN        0
1535 #define V4L2_STD_ALL            (V4L2_STD_525_60	|\
1536 				 V4L2_STD_625_50)
1537 
1538 struct v4l2_standard {
1539 	__u32		     index;
1540 	v4l2_std_id          id;
1541 	__u8		     name[24];
1542 	struct v4l2_fract    frameperiod; /* Frames, not fields */
1543 	__u32		     framelines;
1544 	__u32		     reserved[4];
1545 };
1546 
1547 /*
1548  *	D V	B T	T I M I N G S
1549  */
1550 
1551 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1552  * @width:	total width of the active video in pixels
1553  * @height:	total height of the active video in lines
1554  * @interlaced:	Interlaced or progressive
1555  * @polarities:	Positive or negative polarities
1556  * @pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1557  * @hfrontporch:Horizontal front porch in pixels
1558  * @hsync:	Horizontal Sync length in pixels
1559  * @hbackporch:	Horizontal back porch in pixels
1560  * @vfrontporch:Vertical front porch in lines
1561  * @vsync:	Vertical Sync length in lines
1562  * @vbackporch:	Vertical back porch in lines
1563  * @il_vfrontporch:Vertical front porch for the even field
1564  *		(aka field 2) of interlaced field formats
1565  * @il_vsync:	Vertical Sync length for the even field
1566  *		(aka field 2) of interlaced field formats
1567  * @il_vbackporch:Vertical back porch for the even field
1568  *		(aka field 2) of interlaced field formats
1569  * @standards:	Standards the timing belongs to
1570  * @flags:	Flags
1571  * @picture_aspect: The picture aspect ratio (hor/vert).
1572  * @cea861_vic:	VIC code as per the CEA-861 standard.
1573  * @hdmi_vic:	VIC code as per the HDMI standard.
1574  * @reserved:	Reserved fields, must be zeroed.
1575  *
1576  * A note regarding vertical interlaced timings: height refers to the total
1577  * height of the active video frame (= two fields). The blanking timings refer
1578  * to the blanking of each field. So the height of the total frame is
1579  * calculated as follows:
1580  *
1581  * tot_height = height + vfrontporch + vsync + vbackporch +
1582  *                       il_vfrontporch + il_vsync + il_vbackporch
1583  *
1584  * The active height of each field is height / 2.
1585  */
1586 struct v4l2_bt_timings {
1587 	__u32	width;
1588 	__u32	height;
1589 	__u32	interlaced;
1590 	__u32	polarities;
1591 	__u64	pixelclock;
1592 	__u32	hfrontporch;
1593 	__u32	hsync;
1594 	__u32	hbackporch;
1595 	__u32	vfrontporch;
1596 	__u32	vsync;
1597 	__u32	vbackporch;
1598 	__u32	il_vfrontporch;
1599 	__u32	il_vsync;
1600 	__u32	il_vbackporch;
1601 	__u32	standards;
1602 	__u32	flags;
1603 	struct v4l2_fract picture_aspect;
1604 	__u8	cea861_vic;
1605 	__u8	hdmi_vic;
1606 	__u8	reserved[46];
1607 } __attribute__ ((packed));
1608 
1609 /* Interlaced or progressive format */
1610 #define	V4L2_DV_PROGRESSIVE	0
1611 #define	V4L2_DV_INTERLACED	1
1612 
1613 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1614 #define V4L2_DV_VSYNC_POS_POL	0x00000001
1615 #define V4L2_DV_HSYNC_POS_POL	0x00000002
1616 
1617 /* Timings standards */
1618 #define V4L2_DV_BT_STD_CEA861	(1 << 0)  /* CEA-861 Digital TV Profile */
1619 #define V4L2_DV_BT_STD_DMT	(1 << 1)  /* VESA Discrete Monitor Timings */
1620 #define V4L2_DV_BT_STD_CVT	(1 << 2)  /* VESA Coordinated Video Timings */
1621 #define V4L2_DV_BT_STD_GTF	(1 << 3)  /* VESA Generalized Timings Formula */
1622 #define V4L2_DV_BT_STD_SDI	(1 << 4)  /* SDI Timings */
1623 
1624 /* Flags */
1625 
1626 /*
1627  * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1628  * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1629  * intervals are reduced, allowing a higher resolution over the same
1630  * bandwidth. This is a read-only flag.
1631  */
1632 #define V4L2_DV_FL_REDUCED_BLANKING		(1 << 0)
1633 /*
1634  * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1635  * of six. These formats can be optionally played at 1 / 1.001 speed.
1636  * This is a read-only flag.
1637  */
1638 #define V4L2_DV_FL_CAN_REDUCE_FPS		(1 << 1)
1639 /*
1640  * CEA-861 specific: only valid for video transmitters, the flag is cleared
1641  * by receivers.
1642  * If the framerate of the format is a multiple of six, then the pixelclock
1643  * used to set up the transmitter is divided by 1.001 to make it compatible
1644  * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1645  * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1646  * such frequencies, then the flag will also be cleared.
1647  */
1648 #define V4L2_DV_FL_REDUCED_FPS			(1 << 2)
1649 /*
1650  * Specific to interlaced formats: if set, then field 1 is really one half-line
1651  * longer and field 2 is really one half-line shorter, so each field has
1652  * exactly the same number of half-lines. Whether half-lines can be detected
1653  * or used depends on the hardware.
1654  */
1655 #define V4L2_DV_FL_HALF_LINE			(1 << 3)
1656 /*
1657  * If set, then this is a Consumer Electronics (CE) video format. Such formats
1658  * differ from other formats (commonly called IT formats) in that if RGB
1659  * encoding is used then by default the RGB values use limited range (i.e.
1660  * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1661  * except for the 640x480 format are CE formats.
1662  */
1663 #define V4L2_DV_FL_IS_CE_VIDEO			(1 << 4)
1664 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1665  * total height. For these formats, if this flag is set, the first
1666  * field has the extra line. If not, it is the second field.
1667  */
1668 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE	(1 << 5)
1669 /*
1670  * If set, then the picture_aspect field is valid. Otherwise assume that the
1671  * pixels are square, so the picture aspect ratio is the same as the width to
1672  * height ratio.
1673  */
1674 #define V4L2_DV_FL_HAS_PICTURE_ASPECT		(1 << 6)
1675 /*
1676  * If set, then the cea861_vic field is valid and contains the Video
1677  * Identification Code as per the CEA-861 standard.
1678  */
1679 #define V4L2_DV_FL_HAS_CEA861_VIC		(1 << 7)
1680 /*
1681  * If set, then the hdmi_vic field is valid and contains the Video
1682  * Identification Code as per the HDMI standard (HDMI Vendor Specific
1683  * InfoFrame).
1684  */
1685 #define V4L2_DV_FL_HAS_HDMI_VIC			(1 << 8)
1686 /*
1687  * CEA-861 specific: only valid for video receivers.
1688  * If set, then HW can detect the difference between regular FPS and
1689  * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1690  * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1691  */
1692 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS	(1 << 9)
1693 
1694 /* A few useful defines to calculate the total blanking and frame sizes */
1695 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1696 	((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1697 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1698 	((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1699 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1700 	((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1701 	 ((bt)->interlaced ? \
1702 	  ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1703 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1704 	((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1705 
1706 /** struct v4l2_dv_timings - DV timings
1707  * @type:	the type of the timings
1708  * @bt:	BT656/1120 timings
1709  */
1710 struct v4l2_dv_timings {
1711 	__u32 type;
1712 	union {
1713 		struct v4l2_bt_timings	bt;
1714 		__u32	reserved[32];
1715 	};
1716 } __attribute__ ((packed));
1717 
1718 /* Values for the type field */
1719 #define V4L2_DV_BT_656_1120	0	/* BT.656/1120 timing type */
1720 
1721 
1722 /** struct v4l2_enum_dv_timings - DV timings enumeration
1723  * @index:	enumeration index
1724  * @pad:	the pad number for which to enumerate timings (used with
1725  *		v4l-subdev nodes only)
1726  * @reserved:	must be zeroed
1727  * @timings:	the timings for the given index
1728  */
1729 struct v4l2_enum_dv_timings {
1730 	__u32 index;
1731 	__u32 pad;
1732 	__u32 reserved[2];
1733 	struct v4l2_dv_timings timings;
1734 };
1735 
1736 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1737  * @min_width:		width in pixels
1738  * @max_width:		width in pixels
1739  * @min_height:		height in lines
1740  * @max_height:		height in lines
1741  * @min_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1742  * @max_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1743  * @standards:		Supported standards
1744  * @capabilities:	Supported capabilities
1745  * @reserved:		Must be zeroed
1746  */
1747 struct v4l2_bt_timings_cap {
1748 	__u32	min_width;
1749 	__u32	max_width;
1750 	__u32	min_height;
1751 	__u32	max_height;
1752 	__u64	min_pixelclock;
1753 	__u64	max_pixelclock;
1754 	__u32	standards;
1755 	__u32	capabilities;
1756 	__u32	reserved[16];
1757 } __attribute__ ((packed));
1758 
1759 /* Supports interlaced formats */
1760 #define V4L2_DV_BT_CAP_INTERLACED	(1 << 0)
1761 /* Supports progressive formats */
1762 #define V4L2_DV_BT_CAP_PROGRESSIVE	(1 << 1)
1763 /* Supports CVT/GTF reduced blanking */
1764 #define V4L2_DV_BT_CAP_REDUCED_BLANKING	(1 << 2)
1765 /* Supports custom formats */
1766 #define V4L2_DV_BT_CAP_CUSTOM		(1 << 3)
1767 
1768 /** struct v4l2_dv_timings_cap - DV timings capabilities
1769  * @type:	the type of the timings (same as in struct v4l2_dv_timings)
1770  * @pad:	the pad number for which to query capabilities (used with
1771  *		v4l-subdev nodes only)
1772  * @bt:		the BT656/1120 timings capabilities
1773  */
1774 struct v4l2_dv_timings_cap {
1775 	__u32 type;
1776 	__u32 pad;
1777 	__u32 reserved[2];
1778 	union {
1779 		struct v4l2_bt_timings_cap bt;
1780 		__u32 raw_data[32];
1781 	};
1782 };
1783 
1784 
1785 /*
1786  *	V I D E O   I N P U T S
1787  */
1788 struct v4l2_input {
1789 	__u32	     index;		/*  Which input */
1790 	__u8	     name[32];		/*  Label */
1791 	__u32	     type;		/*  Type of input */
1792 	__u32	     audioset;		/*  Associated audios (bitfield) */
1793 	__u32        tuner;             /*  Tuner index */
1794 	v4l2_std_id  std;
1795 	__u32	     status;
1796 	__u32	     capabilities;
1797 	__u32	     reserved[3];
1798 };
1799 
1800 /*  Values for the 'type' field */
1801 #define V4L2_INPUT_TYPE_TUNER		1
1802 #define V4L2_INPUT_TYPE_CAMERA		2
1803 #define V4L2_INPUT_TYPE_TOUCH		3
1804 
1805 /* field 'status' - general */
1806 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
1807 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
1808 #define V4L2_IN_ST_NO_COLOR    0x00000004
1809 
1810 /* field 'status' - sensor orientation */
1811 /* If sensor is mounted upside down set both bits */
1812 #define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
1813 #define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
1814 
1815 /* field 'status' - analog */
1816 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
1817 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
1818 #define V4L2_IN_ST_NO_V_LOCK   0x00000400  /* No vertical sync lock */
1819 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800  /* No standard format lock */
1820 
1821 /* field 'status' - digital */
1822 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
1823 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
1824 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
1825 
1826 /* field 'status' - VCR and set-top box */
1827 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
1828 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
1829 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
1830 
1831 /* capabilities flags */
1832 #define V4L2_IN_CAP_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
1833 #define V4L2_IN_CAP_CUSTOM_TIMINGS	V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1834 #define V4L2_IN_CAP_STD			0x00000004 /* Supports S_STD */
1835 #define V4L2_IN_CAP_NATIVE_SIZE		0x00000008 /* Supports setting native size */
1836 
1837 /*
1838  *	V I D E O   O U T P U T S
1839  */
1840 struct v4l2_output {
1841 	__u32	     index;		/*  Which output */
1842 	__u8	     name[32];		/*  Label */
1843 	__u32	     type;		/*  Type of output */
1844 	__u32	     audioset;		/*  Associated audios (bitfield) */
1845 	__u32	     modulator;         /*  Associated modulator */
1846 	v4l2_std_id  std;
1847 	__u32	     capabilities;
1848 	__u32	     reserved[3];
1849 };
1850 /*  Values for the 'type' field */
1851 #define V4L2_OUTPUT_TYPE_MODULATOR		1
1852 #define V4L2_OUTPUT_TYPE_ANALOG			2
1853 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY	3
1854 
1855 /* capabilities flags */
1856 #define V4L2_OUT_CAP_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
1857 #define V4L2_OUT_CAP_CUSTOM_TIMINGS	V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1858 #define V4L2_OUT_CAP_STD		0x00000004 /* Supports S_STD */
1859 #define V4L2_OUT_CAP_NATIVE_SIZE	0x00000008 /* Supports setting native size */
1860 
1861 /*
1862  *	C O N T R O L S
1863  */
1864 struct v4l2_control {
1865 	__u32		     id;
1866 	__s32		     value;
1867 };
1868 
1869 struct v4l2_ext_control {
1870 	__u32 id;
1871 	__u32 size;
1872 	__u32 reserved2[1];
1873 	union {
1874 		__s32 value;
1875 		__s64 value64;
1876 		char __user *string;
1877 		__u8 __user *p_u8;
1878 		__u16 __user *p_u16;
1879 		__u32 __user *p_u32;
1880 		__s32 __user *p_s32;
1881 		__s64 __user *p_s64;
1882 		struct v4l2_area __user *p_area;
1883 		struct v4l2_rect __user *p_rect;
1884 		struct v4l2_ctrl_h264_sps __user *p_h264_sps;
1885 		struct v4l2_ctrl_h264_pps __user *p_h264_pps;
1886 		struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
1887 		struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights;
1888 		struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params;
1889 		struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params;
1890 		struct v4l2_ctrl_fwht_params __user *p_fwht_params;
1891 		struct v4l2_ctrl_vp8_frame __user *p_vp8_frame;
1892 		struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence;
1893 		struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture;
1894 		struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation;
1895 		struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs;
1896 		struct v4l2_ctrl_vp9_frame __user *p_vp9_frame;
1897 		struct v4l2_ctrl_hevc_sps __user *p_hevc_sps;
1898 		struct v4l2_ctrl_hevc_pps __user *p_hevc_pps;
1899 		struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params;
1900 		struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix;
1901 		struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params;
1902 		struct v4l2_ctrl_av1_sequence __user *p_av1_sequence;
1903 		struct v4l2_ctrl_av1_tile_group_entry __user *p_av1_tile_group_entry;
1904 		struct v4l2_ctrl_av1_frame __user *p_av1_frame;
1905 		struct v4l2_ctrl_av1_film_grain __user *p_av1_film_grain;
1906 		struct v4l2_ctrl_hdr10_cll_info __user *p_hdr10_cll_info;
1907 		struct v4l2_ctrl_hdr10_mastering_display __user *p_hdr10_mastering_display;
1908 		void __user *ptr;
1909 	} __attribute__ ((packed));
1910 } __attribute__ ((packed));
1911 
1912 struct v4l2_ext_controls {
1913 	union {
1914 #ifndef __KERNEL__
1915 		__u32 ctrl_class;
1916 #endif
1917 		__u32 which;
1918 	};
1919 	__u32 count;
1920 	__u32 error_idx;
1921 	__s32 request_fd;
1922 	__u32 reserved[1];
1923 	struct v4l2_ext_control *controls;
1924 };
1925 
1926 #define V4L2_CTRL_ID_MASK	  (0x0fffffff)
1927 #ifndef __KERNEL__
1928 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
1929 #endif
1930 #define V4L2_CTRL_ID2WHICH(id)    ((id) & 0x0fff0000UL)
1931 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1932 #define V4L2_CTRL_MAX_DIMS	  (4)
1933 #define V4L2_CTRL_WHICH_CUR_VAL   0
1934 #define V4L2_CTRL_WHICH_DEF_VAL   0x0f000000
1935 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1936 #define V4L2_CTRL_WHICH_MIN_VAL   0x0f020000
1937 #define V4L2_CTRL_WHICH_MAX_VAL   0x0f030000
1938 
1939 enum v4l2_ctrl_type {
1940 	V4L2_CTRL_TYPE_INTEGER	     = 1,
1941 	V4L2_CTRL_TYPE_BOOLEAN	     = 2,
1942 	V4L2_CTRL_TYPE_MENU	     = 3,
1943 	V4L2_CTRL_TYPE_BUTTON	     = 4,
1944 	V4L2_CTRL_TYPE_INTEGER64     = 5,
1945 	V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
1946 	V4L2_CTRL_TYPE_STRING        = 7,
1947 	V4L2_CTRL_TYPE_BITMASK       = 8,
1948 	V4L2_CTRL_TYPE_INTEGER_MENU  = 9,
1949 
1950 	/* Compound types are >= 0x0100 */
1951 	V4L2_CTRL_COMPOUND_TYPES     = 0x0100,
1952 	V4L2_CTRL_TYPE_U8	     = 0x0100,
1953 	V4L2_CTRL_TYPE_U16	     = 0x0101,
1954 	V4L2_CTRL_TYPE_U32	     = 0x0102,
1955 	V4L2_CTRL_TYPE_AREA          = 0x0106,
1956 	V4L2_CTRL_TYPE_RECT	     = 0x0107,
1957 
1958 	V4L2_CTRL_TYPE_HDR10_CLL_INFO		= 0x0110,
1959 	V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY	= 0x0111,
1960 
1961 	V4L2_CTRL_TYPE_H264_SPS             = 0x0200,
1962 	V4L2_CTRL_TYPE_H264_PPS		    = 0x0201,
1963 	V4L2_CTRL_TYPE_H264_SCALING_MATRIX  = 0x0202,
1964 	V4L2_CTRL_TYPE_H264_SLICE_PARAMS    = 0x0203,
1965 	V4L2_CTRL_TYPE_H264_DECODE_PARAMS   = 0x0204,
1966 	V4L2_CTRL_TYPE_H264_PRED_WEIGHTS    = 0x0205,
1967 
1968 	V4L2_CTRL_TYPE_FWHT_PARAMS	    = 0x0220,
1969 
1970 	V4L2_CTRL_TYPE_VP8_FRAME            = 0x0240,
1971 
1972 	V4L2_CTRL_TYPE_MPEG2_QUANTISATION   = 0x0250,
1973 	V4L2_CTRL_TYPE_MPEG2_SEQUENCE       = 0x0251,
1974 	V4L2_CTRL_TYPE_MPEG2_PICTURE        = 0x0252,
1975 
1976 	V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR	= 0x0260,
1977 	V4L2_CTRL_TYPE_VP9_FRAME		= 0x0261,
1978 
1979 	V4L2_CTRL_TYPE_HEVC_SPS			= 0x0270,
1980 	V4L2_CTRL_TYPE_HEVC_PPS			= 0x0271,
1981 	V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS	= 0x0272,
1982 	V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX	= 0x0273,
1983 	V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS	= 0x0274,
1984 
1985 	V4L2_CTRL_TYPE_AV1_SEQUENCE	    = 0x280,
1986 	V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281,
1987 	V4L2_CTRL_TYPE_AV1_FRAME	    = 0x282,
1988 	V4L2_CTRL_TYPE_AV1_FILM_GRAIN	    = 0x283,
1989 };
1990 
1991 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1992 struct v4l2_queryctrl {
1993 	__u32		     id;
1994 	__u32		     type;	/* enum v4l2_ctrl_type */
1995 	__u8		     name[32];	/* Whatever */
1996 	__s32		     minimum;	/* Note signedness */
1997 	__s32		     maximum;
1998 	__s32		     step;
1999 	__s32		     default_value;
2000 	__u32                flags;
2001 	__u32		     reserved[2];
2002 };
2003 
2004 /*  Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
2005 struct v4l2_query_ext_ctrl {
2006 	__u32		     id;
2007 	__u32		     type;
2008 	char		     name[32];
2009 	__s64		     minimum;
2010 	__s64		     maximum;
2011 	__u64		     step;
2012 	__s64		     default_value;
2013 	__u32                flags;
2014 	__u32                elem_size;
2015 	__u32                elems;
2016 	__u32                nr_of_dims;
2017 	__u32                dims[V4L2_CTRL_MAX_DIMS];
2018 	__u32		     reserved[32];
2019 };
2020 
2021 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
2022 struct v4l2_querymenu {
2023 	__u32		id;
2024 	__u32		index;
2025 	union {
2026 		__u8	name[32];	/* Whatever */
2027 		__s64	value;
2028 	};
2029 	__u32		reserved;
2030 } __attribute__ ((packed));
2031 
2032 /*  Control flags  */
2033 #define V4L2_CTRL_FLAG_DISABLED		0x0001
2034 #define V4L2_CTRL_FLAG_GRABBED		0x0002
2035 #define V4L2_CTRL_FLAG_READ_ONLY	0x0004
2036 #define V4L2_CTRL_FLAG_UPDATE		0x0008
2037 #define V4L2_CTRL_FLAG_INACTIVE		0x0010
2038 #define V4L2_CTRL_FLAG_SLIDER		0x0020
2039 #define V4L2_CTRL_FLAG_WRITE_ONLY	0x0040
2040 #define V4L2_CTRL_FLAG_VOLATILE		0x0080
2041 #define V4L2_CTRL_FLAG_HAS_PAYLOAD	0x0100
2042 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE	0x0200
2043 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT	0x0400
2044 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY	0x0800
2045 #define V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX 0x1000
2046 
2047 /*  Query flags, to be ORed with the control ID */
2048 #define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
2049 #define V4L2_CTRL_FLAG_NEXT_COMPOUND	0x40000000
2050 
2051 /*  User-class control IDs defined by V4L2 */
2052 #define V4L2_CID_MAX_CTRLS		1024
2053 /*  IDs reserved for driver specific controls */
2054 #define V4L2_CID_PRIVATE_BASE		0x08000000
2055 
2056 
2057 /*
2058  *	T U N I N G
2059  */
2060 struct v4l2_tuner {
2061 	__u32                   index;
2062 	__u8			name[32];
2063 	__u32			type;	/* enum v4l2_tuner_type */
2064 	__u32			capability;
2065 	__u32			rangelow;
2066 	__u32			rangehigh;
2067 	__u32			rxsubchans;
2068 	__u32			audmode;
2069 	__s32			signal;
2070 	__s32			afc;
2071 	__u32			reserved[4];
2072 };
2073 
2074 struct v4l2_modulator {
2075 	__u32			index;
2076 	__u8			name[32];
2077 	__u32			capability;
2078 	__u32			rangelow;
2079 	__u32			rangehigh;
2080 	__u32			txsubchans;
2081 	__u32			type;	/* enum v4l2_tuner_type */
2082 	__u32			reserved[3];
2083 };
2084 
2085 /*  Flags for the 'capability' field */
2086 #define V4L2_TUNER_CAP_LOW		0x0001
2087 #define V4L2_TUNER_CAP_NORM		0x0002
2088 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED	0x0004
2089 #define V4L2_TUNER_CAP_HWSEEK_WRAP	0x0008
2090 #define V4L2_TUNER_CAP_STEREO		0x0010
2091 #define V4L2_TUNER_CAP_LANG2		0x0020
2092 #define V4L2_TUNER_CAP_SAP		0x0020
2093 #define V4L2_TUNER_CAP_LANG1		0x0040
2094 #define V4L2_TUNER_CAP_RDS		0x0080
2095 #define V4L2_TUNER_CAP_RDS_BLOCK_IO	0x0100
2096 #define V4L2_TUNER_CAP_RDS_CONTROLS	0x0200
2097 #define V4L2_TUNER_CAP_FREQ_BANDS	0x0400
2098 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM	0x0800
2099 #define V4L2_TUNER_CAP_1HZ		0x1000
2100 
2101 /*  Flags for the 'rxsubchans' field */
2102 #define V4L2_TUNER_SUB_MONO		0x0001
2103 #define V4L2_TUNER_SUB_STEREO		0x0002
2104 #define V4L2_TUNER_SUB_LANG2		0x0004
2105 #define V4L2_TUNER_SUB_SAP		0x0004
2106 #define V4L2_TUNER_SUB_LANG1		0x0008
2107 #define V4L2_TUNER_SUB_RDS		0x0010
2108 
2109 /*  Values for the 'audmode' field */
2110 #define V4L2_TUNER_MODE_MONO		0x0000
2111 #define V4L2_TUNER_MODE_STEREO		0x0001
2112 #define V4L2_TUNER_MODE_LANG2		0x0002
2113 #define V4L2_TUNER_MODE_SAP		0x0002
2114 #define V4L2_TUNER_MODE_LANG1		0x0003
2115 #define V4L2_TUNER_MODE_LANG1_LANG2	0x0004
2116 
2117 struct v4l2_frequency {
2118 	__u32	tuner;
2119 	__u32	type;	/* enum v4l2_tuner_type */
2120 	__u32	frequency;
2121 	__u32	reserved[8];
2122 };
2123 
2124 #define V4L2_BAND_MODULATION_VSB	(1 << 1)
2125 #define V4L2_BAND_MODULATION_FM		(1 << 2)
2126 #define V4L2_BAND_MODULATION_AM		(1 << 3)
2127 
2128 struct v4l2_frequency_band {
2129 	__u32	tuner;
2130 	__u32	type;	/* enum v4l2_tuner_type */
2131 	__u32	index;
2132 	__u32	capability;
2133 	__u32	rangelow;
2134 	__u32	rangehigh;
2135 	__u32	modulation;
2136 	__u32	reserved[9];
2137 };
2138 
2139 struct v4l2_hw_freq_seek {
2140 	__u32	tuner;
2141 	__u32	type;	/* enum v4l2_tuner_type */
2142 	__u32	seek_upward;
2143 	__u32	wrap_around;
2144 	__u32	spacing;
2145 	__u32	rangelow;
2146 	__u32	rangehigh;
2147 	__u32	reserved[5];
2148 };
2149 
2150 /*
2151  *	R D S
2152  */
2153 
2154 struct v4l2_rds_data {
2155 	__u8	lsb;
2156 	__u8	msb;
2157 	__u8	block;
2158 } __attribute__ ((packed));
2159 
2160 #define V4L2_RDS_BLOCK_MSK	 0x7
2161 #define V4L2_RDS_BLOCK_A	 0
2162 #define V4L2_RDS_BLOCK_B	 1
2163 #define V4L2_RDS_BLOCK_C	 2
2164 #define V4L2_RDS_BLOCK_D	 3
2165 #define V4L2_RDS_BLOCK_C_ALT	 4
2166 #define V4L2_RDS_BLOCK_INVALID	 7
2167 
2168 #define V4L2_RDS_BLOCK_CORRECTED 0x40
2169 #define V4L2_RDS_BLOCK_ERROR	 0x80
2170 
2171 /*
2172  *	A U D I O
2173  */
2174 struct v4l2_audio {
2175 	__u32	index;
2176 	__u8	name[32];
2177 	__u32	capability;
2178 	__u32	mode;
2179 	__u32	reserved[2];
2180 };
2181 
2182 /*  Flags for the 'capability' field */
2183 #define V4L2_AUDCAP_STEREO		0x00001
2184 #define V4L2_AUDCAP_AVL			0x00002
2185 
2186 /*  Flags for the 'mode' field */
2187 #define V4L2_AUDMODE_AVL		0x00001
2188 
2189 struct v4l2_audioout {
2190 	__u32	index;
2191 	__u8	name[32];
2192 	__u32	capability;
2193 	__u32	mode;
2194 	__u32	reserved[2];
2195 };
2196 
2197 /*
2198  *	M P E G   S E R V I C E S
2199  */
2200 #if 1
2201 #define V4L2_ENC_IDX_FRAME_I    (0)
2202 #define V4L2_ENC_IDX_FRAME_P    (1)
2203 #define V4L2_ENC_IDX_FRAME_B    (2)
2204 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
2205 
2206 struct v4l2_enc_idx_entry {
2207 	__u64 offset;
2208 	__u64 pts;
2209 	__u32 length;
2210 	__u32 flags;
2211 	__u32 reserved[2];
2212 };
2213 
2214 #define V4L2_ENC_IDX_ENTRIES (64)
2215 struct v4l2_enc_idx {
2216 	__u32 entries;
2217 	__u32 entries_cap;
2218 	__u32 reserved[4];
2219 	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2220 };
2221 
2222 
2223 #define V4L2_ENC_CMD_START      (0)
2224 #define V4L2_ENC_CMD_STOP       (1)
2225 #define V4L2_ENC_CMD_PAUSE      (2)
2226 #define V4L2_ENC_CMD_RESUME     (3)
2227 
2228 /* Flags for V4L2_ENC_CMD_STOP */
2229 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
2230 
2231 struct v4l2_encoder_cmd {
2232 	__u32 cmd;
2233 	__u32 flags;
2234 	union {
2235 		struct {
2236 			__u32 data[8];
2237 		} raw;
2238 	};
2239 };
2240 
2241 /* Decoder commands */
2242 #define V4L2_DEC_CMD_START       (0)
2243 #define V4L2_DEC_CMD_STOP        (1)
2244 #define V4L2_DEC_CMD_PAUSE       (2)
2245 #define V4L2_DEC_CMD_RESUME      (3)
2246 #define V4L2_DEC_CMD_FLUSH       (4)
2247 
2248 /* Flags for V4L2_DEC_CMD_START */
2249 #define V4L2_DEC_CMD_START_MUTE_AUDIO	(1 << 0)
2250 
2251 /* Flags for V4L2_DEC_CMD_PAUSE */
2252 #define V4L2_DEC_CMD_PAUSE_TO_BLACK	(1 << 0)
2253 
2254 /* Flags for V4L2_DEC_CMD_STOP */
2255 #define V4L2_DEC_CMD_STOP_TO_BLACK	(1 << 0)
2256 #define V4L2_DEC_CMD_STOP_IMMEDIATELY	(1 << 1)
2257 
2258 /* Play format requirements (returned by the driver): */
2259 
2260 /* The decoder has no special format requirements */
2261 #define V4L2_DEC_START_FMT_NONE		(0)
2262 /* The decoder requires full GOPs */
2263 #define V4L2_DEC_START_FMT_GOP		(1)
2264 
2265 /* The structure must be zeroed before use by the application
2266    This ensures it can be extended safely in the future. */
2267 struct v4l2_decoder_cmd {
2268 	__u32 cmd;
2269 	__u32 flags;
2270 	union {
2271 		struct {
2272 			__u64 pts;
2273 		} stop;
2274 
2275 		struct {
2276 			/* 0 or 1000 specifies normal speed,
2277 			   1 specifies forward single stepping,
2278 			   -1 specifies backward single stepping,
2279 			   >1: playback at speed/1000 of the normal speed,
2280 			   <-1: reverse playback at (-speed/1000) of the normal speed. */
2281 			__s32 speed;
2282 			__u32 format;
2283 		} start;
2284 
2285 		struct {
2286 			__u32 data[16];
2287 		} raw;
2288 	};
2289 };
2290 #endif
2291 
2292 
2293 /*
2294  *	D A T A   S E R V I C E S   ( V B I )
2295  *
2296  *	Data services API by Michael Schimek
2297  */
2298 
2299 /* Raw VBI */
2300 struct v4l2_vbi_format {
2301 	__u32	sampling_rate;		/* in 1 Hz */
2302 	__u32	offset;
2303 	__u32	samples_per_line;
2304 	__u32	sample_format;		/* V4L2_PIX_FMT_* */
2305 	__s32	start[2];
2306 	__u32	count[2];
2307 	__u32	flags;			/* V4L2_VBI_* */
2308 	__u32	reserved[2];		/* must be zero */
2309 };
2310 
2311 /*  VBI flags  */
2312 #define V4L2_VBI_UNSYNC		(1 << 0)
2313 #define V4L2_VBI_INTERLACED	(1 << 1)
2314 
2315 /* ITU-R start lines for each field */
2316 #define V4L2_VBI_ITU_525_F1_START (1)
2317 #define V4L2_VBI_ITU_525_F2_START (264)
2318 #define V4L2_VBI_ITU_625_F1_START (1)
2319 #define V4L2_VBI_ITU_625_F2_START (314)
2320 
2321 /* Sliced VBI
2322  *
2323  *    This implements is a proposal V4L2 API to allow SLICED VBI
2324  * required for some hardware encoders. It should change without
2325  * notice in the definitive implementation.
2326  */
2327 
2328 struct v4l2_sliced_vbi_format {
2329 	__u16   service_set;
2330 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2331 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2332 				 (equals frame lines 313-336 for 625 line video
2333 				  standards, 263-286 for 525 line standards) */
2334 	__u16   service_lines[2][24];
2335 	__u32   io_size;
2336 	__u32   reserved[2];            /* must be zero */
2337 };
2338 
2339 /* Teletext World System Teletext
2340    (WST), defined on ITU-R BT.653-2 */
2341 #define V4L2_SLICED_TELETEXT_B          (0x0001)
2342 /* Video Program System, defined on ETS 300 231*/
2343 #define V4L2_SLICED_VPS                 (0x0400)
2344 /* Closed Caption, defined on EIA-608 */
2345 #define V4L2_SLICED_CAPTION_525         (0x1000)
2346 /* Wide Screen System, defined on ITU-R BT1119.1 */
2347 #define V4L2_SLICED_WSS_625             (0x4000)
2348 
2349 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
2350 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2351 
2352 struct v4l2_sliced_vbi_cap {
2353 	__u16   service_set;
2354 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2355 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2356 				 (equals frame lines 313-336 for 625 line video
2357 				  standards, 263-286 for 525 line standards) */
2358 	__u16   service_lines[2][24];
2359 	__u32	type;		/* enum v4l2_buf_type */
2360 	__u32   reserved[3];    /* must be 0 */
2361 };
2362 
2363 struct v4l2_sliced_vbi_data {
2364 	__u32   id;
2365 	__u32   field;          /* 0: first field, 1: second field */
2366 	__u32   line;           /* 1-23 */
2367 	__u32   reserved;       /* must be 0 */
2368 	__u8    data[48];
2369 };
2370 
2371 /*
2372  * Sliced VBI data inserted into MPEG Streams
2373  */
2374 
2375 /*
2376  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2377  *
2378  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2379  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2380  * data
2381  *
2382  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2383  * definitions are not included here.  See the MPEG-2 specifications for details
2384  * on these headers.
2385  */
2386 
2387 /* Line type IDs */
2388 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
2389 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
2390 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
2391 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
2392 
2393 struct v4l2_mpeg_vbi_itv0_line {
2394 	__u8 id;	/* One of V4L2_MPEG_VBI_IVTV_* above */
2395 	__u8 data[42];	/* Sliced VBI data for the line */
2396 } __attribute__ ((packed));
2397 
2398 struct v4l2_mpeg_vbi_itv0 {
2399 	__le32 linemask[2]; /* Bitmasks of VBI service lines present */
2400 	struct v4l2_mpeg_vbi_itv0_line line[35];
2401 } __attribute__ ((packed));
2402 
2403 struct v4l2_mpeg_vbi_ITV0 {
2404 	struct v4l2_mpeg_vbi_itv0_line line[36];
2405 } __attribute__ ((packed));
2406 
2407 #define V4L2_MPEG_VBI_IVTV_MAGIC0	"itv0"
2408 #define V4L2_MPEG_VBI_IVTV_MAGIC1	"ITV0"
2409 
2410 struct v4l2_mpeg_vbi_fmt_ivtv {
2411 	__u8 magic[4];
2412 	union {
2413 		struct v4l2_mpeg_vbi_itv0 itv0;
2414 		struct v4l2_mpeg_vbi_ITV0 ITV0;
2415 	};
2416 } __attribute__ ((packed));
2417 
2418 /*
2419  *	A G G R E G A T E   S T R U C T U R E S
2420  */
2421 
2422 /**
2423  * struct v4l2_plane_pix_format - additional, per-plane format definition
2424  * @sizeimage:		maximum size in bytes required for data, for which
2425  *			this plane will be used
2426  * @bytesperline:	distance in bytes between the leftmost pixels in two
2427  *			adjacent lines
2428  * @reserved:		drivers and applications must zero this array
2429  */
2430 struct v4l2_plane_pix_format {
2431 	__u32		sizeimage;
2432 	__u32		bytesperline;
2433 	__u16		reserved[6];
2434 } __attribute__ ((packed));
2435 
2436 /**
2437  * struct v4l2_pix_format_mplane - multiplanar format definition
2438  * @width:		image width in pixels
2439  * @height:		image height in pixels
2440  * @pixelformat:	little endian four character code (fourcc)
2441  * @field:		enum v4l2_field; field order (for interlaced video)
2442  * @colorspace:		enum v4l2_colorspace; supplemental to pixelformat
2443  * @plane_fmt:		per-plane information
2444  * @num_planes:		number of planes for this format
2445  * @flags:		format flags (V4L2_PIX_FMT_FLAG_*)
2446  * @ycbcr_enc:		enum v4l2_ycbcr_encoding, Y'CbCr encoding
2447  * @hsv_enc:		enum v4l2_hsv_encoding, HSV encoding
2448  * @quantization:	enum v4l2_quantization, colorspace quantization
2449  * @xfer_func:		enum v4l2_xfer_func, colorspace transfer function
2450  * @reserved:		drivers and applications must zero this array
2451  */
2452 struct v4l2_pix_format_mplane {
2453 	__u32				width;
2454 	__u32				height;
2455 	__u32				pixelformat;
2456 	__u32				field;
2457 	__u32				colorspace;
2458 
2459 	struct v4l2_plane_pix_format	plane_fmt[VIDEO_MAX_PLANES];
2460 	__u8				num_planes;
2461 	__u8				flags;
2462 	 union {
2463 		__u8				ycbcr_enc;
2464 		__u8				hsv_enc;
2465 	};
2466 	__u8				quantization;
2467 	__u8				xfer_func;
2468 	__u8				reserved[7];
2469 } __attribute__ ((packed));
2470 
2471 /**
2472  * struct v4l2_sdr_format - SDR format definition
2473  * @pixelformat:	little endian four character code (fourcc)
2474  * @buffersize:		maximum size in bytes required for data
2475  * @reserved:		drivers and applications must zero this array
2476  */
2477 struct v4l2_sdr_format {
2478 	__u32				pixelformat;
2479 	__u32				buffersize;
2480 	__u8				reserved[24];
2481 } __attribute__ ((packed));
2482 
2483 /**
2484  * struct v4l2_meta_format - metadata format definition
2485  * @dataformat:		little endian four character code (fourcc)
2486  * @buffersize:		maximum size in bytes required for data
2487  * @width:		number of data units of data per line (valid for line
2488  *			based formats only, see format documentation)
2489  * @height:		number of lines of data per buffer (valid for line based
2490  *			formats only)
2491  * @bytesperline:	offset between the beginnings of two adjacent lines in
2492  *			bytes (valid for line based formats only)
2493  */
2494 struct v4l2_meta_format {
2495 	__u32				dataformat;
2496 	__u32				buffersize;
2497 	__u32				width;
2498 	__u32				height;
2499 	__u32				bytesperline;
2500 } __attribute__ ((packed));
2501 
2502 /**
2503  * struct v4l2_format - stream data format
2504  * @type:		enum v4l2_buf_type; type of the data stream
2505  * @fmt.pix:		definition of an image format
2506  * @fmt.pix_mp:		definition of a multiplanar image format
2507  * @fmt.win:		definition of an overlaid image
2508  * @fmt.vbi:		raw VBI capture or output parameters
2509  * @fmt.sliced:		sliced VBI capture or output parameters
2510  * @fmt.raw_data:	placeholder for future extensions and custom formats
2511  * @fmt:		union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr,
2512  *			@meta and @raw_data
2513  */
2514 struct v4l2_format {
2515 	__u32	 type;
2516 	union {
2517 		struct v4l2_pix_format		pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2518 		struct v4l2_pix_format_mplane	pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2519 		struct v4l2_window		win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2520 		struct v4l2_vbi_format		vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
2521 		struct v4l2_sliced_vbi_format	sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2522 		struct v4l2_sdr_format		sdr;     /* V4L2_BUF_TYPE_SDR_CAPTURE */
2523 		struct v4l2_meta_format		meta;    /* V4L2_BUF_TYPE_META_CAPTURE */
2524 		__u8	raw_data[200];                   /* user-defined */
2525 	} fmt;
2526 };
2527 
2528 /*	Stream type-dependent parameters
2529  */
2530 struct v4l2_streamparm {
2531 	__u32	 type;			/* enum v4l2_buf_type */
2532 	union {
2533 		struct v4l2_captureparm	capture;
2534 		struct v4l2_outputparm	output;
2535 		__u8	raw_data[200];  /* user-defined */
2536 	} parm;
2537 };
2538 
2539 /*
2540  *	E V E N T S
2541  */
2542 
2543 #define V4L2_EVENT_ALL				0
2544 #define V4L2_EVENT_VSYNC			1
2545 #define V4L2_EVENT_EOS				2
2546 #define V4L2_EVENT_CTRL				3
2547 #define V4L2_EVENT_FRAME_SYNC			4
2548 #define V4L2_EVENT_SOURCE_CHANGE		5
2549 #define V4L2_EVENT_MOTION_DET			6
2550 #define V4L2_EVENT_PRIVATE_START		0x08000000
2551 
2552 /* Payload for V4L2_EVENT_VSYNC */
2553 struct v4l2_event_vsync {
2554 	/* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2555 	__u8 field;
2556 } __attribute__ ((packed));
2557 
2558 /* Payload for V4L2_EVENT_CTRL */
2559 #define V4L2_EVENT_CTRL_CH_VALUE		(1 << 0)
2560 #define V4L2_EVENT_CTRL_CH_FLAGS		(1 << 1)
2561 #define V4L2_EVENT_CTRL_CH_RANGE		(1 << 2)
2562 #define V4L2_EVENT_CTRL_CH_DIMENSIONS		(1 << 3)
2563 
2564 struct v4l2_event_ctrl {
2565 	__u32 changes;
2566 	__u32 type;
2567 	union {
2568 		__s32 value;
2569 		__s64 value64;
2570 	};
2571 	__u32 flags;
2572 	__s32 minimum;
2573 	__s32 maximum;
2574 	__s32 step;
2575 	__s32 default_value;
2576 };
2577 
2578 struct v4l2_event_frame_sync {
2579 	__u32 frame_sequence;
2580 };
2581 
2582 #define V4L2_EVENT_SRC_CH_RESOLUTION		(1 << 0)
2583 
2584 struct v4l2_event_src_change {
2585 	__u32 changes;
2586 };
2587 
2588 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ	(1 << 0)
2589 
2590 /**
2591  * struct v4l2_event_motion_det - motion detection event
2592  * @flags:             if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2593  *                     frame_sequence field is valid.
2594  * @frame_sequence:    the frame sequence number associated with this event.
2595  * @region_mask:       which regions detected motion.
2596  */
2597 struct v4l2_event_motion_det {
2598 	__u32 flags;
2599 	__u32 frame_sequence;
2600 	__u32 region_mask;
2601 };
2602 
2603 struct v4l2_event {
2604 	__u32				type;
2605 	union {
2606 		struct v4l2_event_vsync		vsync;
2607 		struct v4l2_event_ctrl		ctrl;
2608 		struct v4l2_event_frame_sync	frame_sync;
2609 		struct v4l2_event_src_change	src_change;
2610 		struct v4l2_event_motion_det	motion_det;
2611 		__u8				data[64];
2612 	} u;
2613 	__u32				pending;
2614 	__u32				sequence;
2615 #ifdef __KERNEL__
2616 	struct __kernel_timespec	timestamp;
2617 #else
2618 	struct timespec			timestamp;
2619 #endif
2620 	__u32				id;
2621 	__u32				reserved[8];
2622 };
2623 
2624 #define V4L2_EVENT_SUB_FL_SEND_INITIAL		(1 << 0)
2625 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK	(1 << 1)
2626 
2627 struct v4l2_event_subscription {
2628 	__u32				type;
2629 	__u32				id;
2630 	__u32				flags;
2631 	__u32				reserved[5];
2632 };
2633 
2634 /*
2635  *	A D V A N C E D   D E B U G G I N G
2636  *
2637  *	NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2638  *	FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2639  */
2640 
2641 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2642 
2643 #define V4L2_CHIP_MATCH_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
2644 #define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
2645 
2646 /* The following four defines are no longer in use */
2647 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2648 #define V4L2_CHIP_MATCH_I2C_DRIVER  1  /* Match against I2C driver name */
2649 #define V4L2_CHIP_MATCH_I2C_ADDR    2  /* Match against I2C 7-bit address */
2650 #define V4L2_CHIP_MATCH_AC97        3  /* Match against ancillary AC97 chip */
2651 
2652 struct v4l2_dbg_match {
2653 	__u32 type; /* Match type */
2654 	union {     /* Match this chip, meaning determined by type */
2655 		__u32 addr;
2656 		char name[32];
2657 	};
2658 } __attribute__ ((packed));
2659 
2660 struct v4l2_dbg_register {
2661 	struct v4l2_dbg_match match;
2662 	__u32 size;	/* register size in bytes */
2663 	__u64 reg;
2664 	__u64 val;
2665 } __attribute__ ((packed));
2666 
2667 #define V4L2_CHIP_FL_READABLE (1 << 0)
2668 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2669 
2670 /* VIDIOC_DBG_G_CHIP_INFO */
2671 struct v4l2_dbg_chip_info {
2672 	struct v4l2_dbg_match match;
2673 	char name[32];
2674 	__u32 flags;
2675 	__u32 reserved[32];
2676 } __attribute__ ((packed));
2677 
2678 /**
2679  * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2680  * @index:	on return, index of the first created buffer
2681  * @count:	entry: number of requested buffers,
2682  *		return: number of created buffers
2683  * @memory:	enum v4l2_memory; buffer memory type
2684  * @format:	frame format, for which buffers are requested
2685  * @capabilities: capabilities of this buffer type.
2686  * @flags:	additional buffer management attributes (ignored unless the
2687  *		queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2688  *		and configured for MMAP streaming I/O).
2689  * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
2690  *		this field indicate the maximum possible number of buffers
2691  *		for this queue.
2692  * @reserved:	future extensions
2693  */
2694 struct v4l2_create_buffers {
2695 	__u32			index;
2696 	__u32			count;
2697 	__u32			memory;
2698 	struct v4l2_format	format;
2699 	__u32			capabilities;
2700 	__u32			flags;
2701 	__u32			max_num_buffers;
2702 	__u32			reserved[5];
2703 };
2704 
2705 /**
2706  * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument
2707  * @index:	the first buffer to be removed
2708  * @count:	number of buffers to removed
2709  * @type:	enum v4l2_buf_type
2710  * @reserved:	future extensions
2711  */
2712 struct v4l2_remove_buffers {
2713 	__u32			index;
2714 	__u32			count;
2715 	__u32			type;
2716 	__u32			reserved[13];
2717 };
2718 
2719 /*
2720  *	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
2721  *
2722  */
2723 #define VIDIOC_QUERYCAP		 _IOR('V',  0, struct v4l2_capability)
2724 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
2725 #define VIDIOC_G_FMT		_IOWR('V',  4, struct v4l2_format)
2726 #define VIDIOC_S_FMT		_IOWR('V',  5, struct v4l2_format)
2727 #define VIDIOC_REQBUFS		_IOWR('V',  8, struct v4l2_requestbuffers)
2728 #define VIDIOC_QUERYBUF		_IOWR('V',  9, struct v4l2_buffer)
2729 #define VIDIOC_G_FBUF		 _IOR('V', 10, struct v4l2_framebuffer)
2730 #define VIDIOC_S_FBUF		 _IOW('V', 11, struct v4l2_framebuffer)
2731 #define VIDIOC_OVERLAY		 _IOW('V', 14, int)
2732 #define VIDIOC_QBUF		_IOWR('V', 15, struct v4l2_buffer)
2733 #define VIDIOC_EXPBUF		_IOWR('V', 16, struct v4l2_exportbuffer)
2734 #define VIDIOC_DQBUF		_IOWR('V', 17, struct v4l2_buffer)
2735 #define VIDIOC_STREAMON		 _IOW('V', 18, int)
2736 #define VIDIOC_STREAMOFF	 _IOW('V', 19, int)
2737 #define VIDIOC_G_PARM		_IOWR('V', 21, struct v4l2_streamparm)
2738 #define VIDIOC_S_PARM		_IOWR('V', 22, struct v4l2_streamparm)
2739 #define VIDIOC_G_STD		 _IOR('V', 23, v4l2_std_id)
2740 #define VIDIOC_S_STD		 _IOW('V', 24, v4l2_std_id)
2741 #define VIDIOC_ENUMSTD		_IOWR('V', 25, struct v4l2_standard)
2742 #define VIDIOC_ENUMINPUT	_IOWR('V', 26, struct v4l2_input)
2743 #define VIDIOC_G_CTRL		_IOWR('V', 27, struct v4l2_control)
2744 #define VIDIOC_S_CTRL		_IOWR('V', 28, struct v4l2_control)
2745 #define VIDIOC_G_TUNER		_IOWR('V', 29, struct v4l2_tuner)
2746 #define VIDIOC_S_TUNER		 _IOW('V', 30, struct v4l2_tuner)
2747 #define VIDIOC_G_AUDIO		 _IOR('V', 33, struct v4l2_audio)
2748 #define VIDIOC_S_AUDIO		 _IOW('V', 34, struct v4l2_audio)
2749 #define VIDIOC_QUERYCTRL	_IOWR('V', 36, struct v4l2_queryctrl)
2750 #define VIDIOC_QUERYMENU	_IOWR('V', 37, struct v4l2_querymenu)
2751 #define VIDIOC_G_INPUT		 _IOR('V', 38, int)
2752 #define VIDIOC_S_INPUT		_IOWR('V', 39, int)
2753 #define VIDIOC_G_EDID		_IOWR('V', 40, struct v4l2_edid)
2754 #define VIDIOC_S_EDID		_IOWR('V', 41, struct v4l2_edid)
2755 #define VIDIOC_G_OUTPUT		 _IOR('V', 46, int)
2756 #define VIDIOC_S_OUTPUT		_IOWR('V', 47, int)
2757 #define VIDIOC_ENUMOUTPUT	_IOWR('V', 48, struct v4l2_output)
2758 #define VIDIOC_G_AUDOUT		 _IOR('V', 49, struct v4l2_audioout)
2759 #define VIDIOC_S_AUDOUT		 _IOW('V', 50, struct v4l2_audioout)
2760 #define VIDIOC_G_MODULATOR	_IOWR('V', 54, struct v4l2_modulator)
2761 #define VIDIOC_S_MODULATOR	 _IOW('V', 55, struct v4l2_modulator)
2762 #define VIDIOC_G_FREQUENCY	_IOWR('V', 56, struct v4l2_frequency)
2763 #define VIDIOC_S_FREQUENCY	 _IOW('V', 57, struct v4l2_frequency)
2764 #define VIDIOC_CROPCAP		_IOWR('V', 58, struct v4l2_cropcap)
2765 #define VIDIOC_G_CROP		_IOWR('V', 59, struct v4l2_crop)
2766 #define VIDIOC_S_CROP		 _IOW('V', 60, struct v4l2_crop)
2767 #define VIDIOC_G_JPEGCOMP	 _IOR('V', 61, struct v4l2_jpegcompression)
2768 #define VIDIOC_S_JPEGCOMP	 _IOW('V', 62, struct v4l2_jpegcompression)
2769 #define VIDIOC_QUERYSTD		 _IOR('V', 63, v4l2_std_id)
2770 #define VIDIOC_TRY_FMT		_IOWR('V', 64, struct v4l2_format)
2771 #define VIDIOC_ENUMAUDIO	_IOWR('V', 65, struct v4l2_audio)
2772 #define VIDIOC_ENUMAUDOUT	_IOWR('V', 66, struct v4l2_audioout)
2773 #define VIDIOC_G_PRIORITY	 _IOR('V', 67, __u32) /* enum v4l2_priority */
2774 #define VIDIOC_S_PRIORITY	 _IOW('V', 68, __u32) /* enum v4l2_priority */
2775 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2776 #define VIDIOC_LOG_STATUS         _IO('V', 70)
2777 #define VIDIOC_G_EXT_CTRLS	_IOWR('V', 71, struct v4l2_ext_controls)
2778 #define VIDIOC_S_EXT_CTRLS	_IOWR('V', 72, struct v4l2_ext_controls)
2779 #define VIDIOC_TRY_EXT_CTRLS	_IOWR('V', 73, struct v4l2_ext_controls)
2780 #define VIDIOC_ENUM_FRAMESIZES	_IOWR('V', 74, struct v4l2_frmsizeenum)
2781 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2782 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
2783 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
2784 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
2785 
2786 /*
2787  * Experimental, meant for debugging, testing and internal use.
2788  * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2789  * You must be root to use these ioctls. Never use these in applications!
2790  */
2791 #define	VIDIOC_DBG_S_REGISTER	 _IOW('V', 79, struct v4l2_dbg_register)
2792 #define	VIDIOC_DBG_G_REGISTER	_IOWR('V', 80, struct v4l2_dbg_register)
2793 
2794 #define VIDIOC_S_HW_FREQ_SEEK	 _IOW('V', 82, struct v4l2_hw_freq_seek)
2795 #define	VIDIOC_S_DV_TIMINGS	_IOWR('V', 87, struct v4l2_dv_timings)
2796 #define	VIDIOC_G_DV_TIMINGS	_IOWR('V', 88, struct v4l2_dv_timings)
2797 #define	VIDIOC_DQEVENT		 _IOR('V', 89, struct v4l2_event)
2798 #define	VIDIOC_SUBSCRIBE_EVENT	 _IOW('V', 90, struct v4l2_event_subscription)
2799 #define	VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2800 #define VIDIOC_CREATE_BUFS	_IOWR('V', 92, struct v4l2_create_buffers)
2801 #define VIDIOC_PREPARE_BUF	_IOWR('V', 93, struct v4l2_buffer)
2802 #define VIDIOC_G_SELECTION	_IOWR('V', 94, struct v4l2_selection)
2803 #define VIDIOC_S_SELECTION	_IOWR('V', 95, struct v4l2_selection)
2804 #define VIDIOC_DECODER_CMD	_IOWR('V', 96, struct v4l2_decoder_cmd)
2805 #define VIDIOC_TRY_DECODER_CMD	_IOWR('V', 97, struct v4l2_decoder_cmd)
2806 #define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
2807 #define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
2808 #define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
2809 #define VIDIOC_ENUM_FREQ_BANDS	_IOWR('V', 101, struct v4l2_frequency_band)
2810 
2811 /*
2812  * Experimental, meant for debugging, testing and internal use.
2813  * Never use this in applications!
2814  */
2815 #define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)
2816 
2817 #define VIDIOC_QUERY_EXT_CTRL	_IOWR('V', 103, struct v4l2_query_ext_ctrl)
2818 #define VIDIOC_REMOVE_BUFS	_IOWR('V', 104, struct v4l2_remove_buffers)
2819 
2820 
2821 /* Reminder: when adding new ioctls please add support for them to
2822    drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2823 
2824 #define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
2825 
2826 /* Deprecated definitions kept for backwards compatibility */
2827 #ifndef __KERNEL__
2828 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2829 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2830 /*
2831  * This capability was never implemented, anyone using this cap should drop it
2832  * from their code.
2833  */
2834 #define V4L2_CAP_ASYNCIO 0x02000000
2835 #endif
2836 
2837 #endif /* _UAPI__LINUX_VIDEODEV2_H */
2838