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1 /*
2  *  Video for Linux Two header file
3  *
4  *  Copyright (C) 1999-2012 the contributors
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  Alternatively you can redistribute this file under the terms of the
17  *  BSD license as stated below:
18  *
19  *  Redistribution and use in source and binary forms, with or without
20  *  modification, are permitted provided that the following conditions
21  *  are met:
22  *  1. Redistributions of source code must retain the above copyright
23  *     notice, this list of conditions and the following disclaimer.
24  *  2. Redistributions in binary form must reproduce the above copyright
25  *     notice, this list of conditions and the following disclaimer in
26  *     the documentation and/or other materials provided with the
27  *     distribution.
28  *  3. The names of its contributors may not be used to endorse or promote
29  *     products derived from this software without specific prior written
30  *     permission.
31  *
32  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
35  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
37  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
38  *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
39  *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
40  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
41  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
42  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43  *
44  *	Header file for v4l or V4L2 drivers and applications
45  * with public API.
46  * All kernel-specific stuff were moved to media/v4l2-dev.h, so
47  * no #if __KERNEL tests are allowed here
48  *
49  *	See https://linuxtv.org for more info
50  *
51  *	Author: Bill Dirks <bill@thedirks.org>
52  *		Justin Schoeman
53  *              Hans Verkuil <hverkuil@xs4all.nl>
54  *		et al.
55  */
56 #ifndef _UAPI__LINUX_VIDEODEV2_H
57 #define _UAPI__LINUX_VIDEODEV2_H
58 
59 #ifndef __KERNEL__
60 #include <sys/time.h>
61 #endif
62 #include <linux/compiler.h>
63 #include <linux/ioctl.h>
64 #include <linux/types.h>
65 #include <linux/v4l2-common.h>
66 #include <linux/v4l2-controls.h>
67 
68 /*
69  * Common stuff for both V4L1 and V4L2
70  * Moved from videodev.h
71  */
72 #define VIDEO_MAX_FRAME               32
73 #define VIDEO_MAX_PLANES               8
74 
75 /*
76  *	M I S C E L L A N E O U S
77  */
78 
79 /*  Four-character-code (FOURCC) */
80 #define v4l2_fourcc(a, b, c, d)\
81 	((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
82 #define v4l2_fourcc_be(a, b, c, d)	(v4l2_fourcc(a, b, c, d) | (1 << 31))
83 
84 /*
85  *	E N U M S
86  */
87 enum v4l2_field {
88 	V4L2_FIELD_ANY           = 0, /* driver can choose from none,
89 					 top, bottom, interlaced
90 					 depending on whatever it thinks
91 					 is approximate ... */
92 	V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
93 	V4L2_FIELD_TOP           = 2, /* top field only */
94 	V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
95 	V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
96 	V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
97 					 buffer, top-bottom order */
98 	V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
99 	V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
100 					 separate buffers */
101 	V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
102 					 first and the top field is
103 					 transmitted first */
104 	V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
105 					 first and the bottom field is
106 					 transmitted first */
107 };
108 #define V4L2_FIELD_HAS_TOP(field)	\
109 	((field) == V4L2_FIELD_TOP 	||\
110 	 (field) == V4L2_FIELD_INTERLACED ||\
111 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
112 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
113 	 (field) == V4L2_FIELD_SEQ_TB	||\
114 	 (field) == V4L2_FIELD_SEQ_BT)
115 #define V4L2_FIELD_HAS_BOTTOM(field)	\
116 	((field) == V4L2_FIELD_BOTTOM 	||\
117 	 (field) == V4L2_FIELD_INTERLACED ||\
118 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
119 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
120 	 (field) == V4L2_FIELD_SEQ_TB	||\
121 	 (field) == V4L2_FIELD_SEQ_BT)
122 #define V4L2_FIELD_HAS_BOTH(field)	\
123 	((field) == V4L2_FIELD_INTERLACED ||\
124 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
125 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
126 	 (field) == V4L2_FIELD_SEQ_TB ||\
127 	 (field) == V4L2_FIELD_SEQ_BT)
128 #define V4L2_FIELD_HAS_T_OR_B(field)	\
129 	((field) == V4L2_FIELD_BOTTOM ||\
130 	 (field) == V4L2_FIELD_TOP ||\
131 	 (field) == V4L2_FIELD_ALTERNATE)
132 
133 enum v4l2_buf_type {
134 	V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
135 	V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
136 	V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
137 	V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
138 	V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
139 	V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
140 	V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
141 	V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
142 	V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
143 	V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
144 	V4L2_BUF_TYPE_SDR_CAPTURE          = 11,
145 	V4L2_BUF_TYPE_SDR_OUTPUT           = 12,
146 	/* Deprecated, do not use */
147 	V4L2_BUF_TYPE_PRIVATE              = 0x80,
148 };
149 
150 #define V4L2_TYPE_IS_MULTIPLANAR(type)			\
151 	((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE	\
152 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
153 
154 #define V4L2_TYPE_IS_OUTPUT(type)				\
155 	((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT			\
156 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE		\
157 	 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY		\
158 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY	\
159 	 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT			\
160 	 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT		\
161 	 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
162 
163 enum v4l2_tuner_type {
164 	V4L2_TUNER_RADIO	     = 1,
165 	V4L2_TUNER_ANALOG_TV	     = 2,
166 	V4L2_TUNER_DIGITAL_TV	     = 3,
167 	V4L2_TUNER_SDR               = 4,
168 	V4L2_TUNER_RF                = 5,
169 };
170 
171 /* Deprecated, do not use */
172 #define V4L2_TUNER_ADC  V4L2_TUNER_SDR
173 
174 enum v4l2_memory {
175 	V4L2_MEMORY_MMAP             = 1,
176 	V4L2_MEMORY_USERPTR          = 2,
177 	V4L2_MEMORY_OVERLAY          = 3,
178 	V4L2_MEMORY_DMABUF           = 4,
179 };
180 
181 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
182 enum v4l2_colorspace {
183 	/*
184 	 * Default colorspace, i.e. let the driver figure it out.
185 	 * Can only be used with video capture.
186 	 */
187 	V4L2_COLORSPACE_DEFAULT       = 0,
188 
189 	/* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
190 	V4L2_COLORSPACE_SMPTE170M     = 1,
191 
192 	/* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
193 	V4L2_COLORSPACE_SMPTE240M     = 2,
194 
195 	/* Rec.709: used for HDTV */
196 	V4L2_COLORSPACE_REC709        = 3,
197 
198 	/*
199 	 * Deprecated, do not use. No driver will ever return this. This was
200 	 * based on a misunderstanding of the bt878 datasheet.
201 	 */
202 	V4L2_COLORSPACE_BT878         = 4,
203 
204 	/*
205 	 * NTSC 1953 colorspace. This only makes sense when dealing with
206 	 * really, really old NTSC recordings. Superseded by SMPTE 170M.
207 	 */
208 	V4L2_COLORSPACE_470_SYSTEM_M  = 5,
209 
210 	/*
211 	 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
212 	 * dealing with really old PAL/SECAM recordings. Superseded by
213 	 * SMPTE 170M.
214 	 */
215 	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
216 
217 	/*
218 	 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
219 	 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
220 	 */
221 	V4L2_COLORSPACE_JPEG          = 7,
222 
223 	/* For RGB colorspaces such as produces by most webcams. */
224 	V4L2_COLORSPACE_SRGB          = 8,
225 
226 	/* AdobeRGB colorspace */
227 	V4L2_COLORSPACE_ADOBERGB      = 9,
228 
229 	/* BT.2020 colorspace, used for UHDTV. */
230 	V4L2_COLORSPACE_BT2020        = 10,
231 
232 	/* Raw colorspace: for RAW unprocessed images */
233 	V4L2_COLORSPACE_RAW           = 11,
234 
235 	/* DCI-P3 colorspace, used by cinema projectors */
236 	V4L2_COLORSPACE_DCI_P3        = 12,
237 };
238 
239 /*
240  * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
241  * This depends on whether this is a SDTV image (use SMPTE 170M), an
242  * HDTV image (use Rec. 709), or something else (use sRGB).
243  */
244 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
245 	((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
246 	 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
247 
248 enum v4l2_xfer_func {
249 	/*
250 	 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
251 	 * for the various colorspaces:
252 	 *
253 	 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
254 	 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
255 	 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
256 	 *
257 	 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
258 	 *
259 	 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB
260 	 *
261 	 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
262 	 *
263 	 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
264 	 *
265 	 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
266 	 */
267 	V4L2_XFER_FUNC_DEFAULT     = 0,
268 	V4L2_XFER_FUNC_709         = 1,
269 	V4L2_XFER_FUNC_SRGB        = 2,
270 	V4L2_XFER_FUNC_ADOBERGB    = 3,
271 	V4L2_XFER_FUNC_SMPTE240M   = 4,
272 	V4L2_XFER_FUNC_NONE        = 5,
273 	V4L2_XFER_FUNC_DCI_P3      = 6,
274 	V4L2_XFER_FUNC_SMPTE2084   = 7,
275 };
276 
277 /*
278  * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
279  * This depends on the colorspace.
280  */
281 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
282 	((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \
283 	 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
284 	  ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
285 	   ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
286 	    ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
287 	     V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
288 
289 enum v4l2_ycbcr_encoding {
290 	/*
291 	 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
292 	 * various colorspaces:
293 	 *
294 	 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
295 	 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
296 	 * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
297 	 *
298 	 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
299 	 *
300 	 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
301 	 *
302 	 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
303 	 */
304 	V4L2_YCBCR_ENC_DEFAULT        = 0,
305 
306 	/* ITU-R 601 -- SDTV */
307 	V4L2_YCBCR_ENC_601            = 1,
308 
309 	/* Rec. 709 -- HDTV */
310 	V4L2_YCBCR_ENC_709            = 2,
311 
312 	/* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
313 	V4L2_YCBCR_ENC_XV601          = 3,
314 
315 	/* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
316 	V4L2_YCBCR_ENC_XV709          = 4,
317 
318 #ifndef __KERNEL__
319 	/*
320 	 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
321 	 * originally due to a misunderstanding of the sYCC standard. It should
322 	 * not be used, instead use V4L2_YCBCR_ENC_601.
323 	 */
324 	V4L2_YCBCR_ENC_SYCC           = 5,
325 #endif
326 
327 	/* BT.2020 Non-constant Luminance Y'CbCr */
328 	V4L2_YCBCR_ENC_BT2020         = 6,
329 
330 	/* BT.2020 Constant Luminance Y'CbcCrc */
331 	V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
332 
333 	/* SMPTE 240M -- Obsolete HDTV */
334 	V4L2_YCBCR_ENC_SMPTE240M      = 8,
335 };
336 
337 /*
338  * enum v4l2_hsv_encoding values should not collide with the ones from
339  * enum v4l2_ycbcr_encoding.
340  */
341 enum v4l2_hsv_encoding {
342 
343 	/* Hue mapped to 0 - 179 */
344 	V4L2_HSV_ENC_180		= 128,
345 
346 	/* Hue mapped to 0-255 */
347 	V4L2_HSV_ENC_256		= 129,
348 };
349 
350 /*
351  * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
352  * This depends on the colorspace.
353  */
354 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
355 	(((colsp) == V4L2_COLORSPACE_REC709 || \
356 	  (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
357 	 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
358 	  ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
359 	   V4L2_YCBCR_ENC_601)))
360 
361 enum v4l2_quantization {
362 	/*
363 	 * The default for R'G'B' quantization is always full range, except
364 	 * for the BT2020 colorspace. For Y'CbCr the quantization is always
365 	 * limited range, except for COLORSPACE_JPEG, XV601 or XV709: those
366 	 * are full range.
367 	 */
368 	V4L2_QUANTIZATION_DEFAULT     = 0,
369 	V4L2_QUANTIZATION_FULL_RANGE  = 1,
370 	V4L2_QUANTIZATION_LIM_RANGE   = 2,
371 };
372 
373 /*
374  * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
375  * This depends on whether the image is RGB or not, the colorspace and the
376  * Y'CbCr encoding.
377  */
378 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
379 	(((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
380 	 V4L2_QUANTIZATION_LIM_RANGE : \
381 	 (((is_rgb_or_hsv) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \
382 	  (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \
383 	 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
384 
385 enum v4l2_priority {
386 	V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
387 	V4L2_PRIORITY_BACKGROUND  = 1,
388 	V4L2_PRIORITY_INTERACTIVE = 2,
389 	V4L2_PRIORITY_RECORD      = 3,
390 	V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
391 };
392 
393 struct v4l2_rect {
394 	__s32   left;
395 	__s32   top;
396 	__u32   width;
397 	__u32   height;
398 };
399 
400 struct v4l2_fract {
401 	__u32   numerator;
402 	__u32   denominator;
403 };
404 
405 /**
406   * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
407   *
408   * @driver:	   name of the driver module (e.g. "bttv")
409   * @card:	   name of the card (e.g. "Hauppauge WinTV")
410   * @bus_info:	   name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
411   * @version:	   KERNEL_VERSION
412   * @capabilities: capabilities of the physical device as a whole
413   * @device_caps:  capabilities accessed via this particular device (node)
414   * @reserved:	   reserved fields for future extensions
415   */
416 struct v4l2_capability {
417 	__u8	driver[16];
418 	__u8	card[32];
419 	__u8	bus_info[32];
420 	__u32   version;
421 	__u32	capabilities;
422 	__u32	device_caps;
423 	__u32	reserved[3];
424 };
425 
426 /* Values for 'capabilities' field */
427 #define V4L2_CAP_VIDEO_CAPTURE		0x00000001  /* Is a video capture device */
428 #define V4L2_CAP_VIDEO_OUTPUT		0x00000002  /* Is a video output device */
429 #define V4L2_CAP_VIDEO_OVERLAY		0x00000004  /* Can do video overlay */
430 #define V4L2_CAP_VBI_CAPTURE		0x00000010  /* Is a raw VBI capture device */
431 #define V4L2_CAP_VBI_OUTPUT		0x00000020  /* Is a raw VBI output device */
432 #define V4L2_CAP_SLICED_VBI_CAPTURE	0x00000040  /* Is a sliced VBI capture device */
433 #define V4L2_CAP_SLICED_VBI_OUTPUT	0x00000080  /* Is a sliced VBI output device */
434 #define V4L2_CAP_RDS_CAPTURE		0x00000100  /* RDS data capture */
435 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY	0x00000200  /* Can do video output overlay */
436 #define V4L2_CAP_HW_FREQ_SEEK		0x00000400  /* Can do hardware frequency seek  */
437 #define V4L2_CAP_RDS_OUTPUT		0x00000800  /* Is an RDS encoder */
438 
439 /* Is a video capture device that supports multiplanar formats */
440 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE	0x00001000
441 /* Is a video output device that supports multiplanar formats */
442 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE	0x00002000
443 /* Is a video mem-to-mem device that supports multiplanar formats */
444 #define V4L2_CAP_VIDEO_M2M_MPLANE	0x00004000
445 /* Is a video mem-to-mem device */
446 #define V4L2_CAP_VIDEO_M2M		0x00008000
447 
448 #define V4L2_CAP_TUNER			0x00010000  /* has a tuner */
449 #define V4L2_CAP_AUDIO			0x00020000  /* has audio support */
450 #define V4L2_CAP_RADIO			0x00040000  /* is a radio device */
451 #define V4L2_CAP_MODULATOR		0x00080000  /* has a modulator */
452 
453 #define V4L2_CAP_SDR_CAPTURE		0x00100000  /* Is a SDR capture device */
454 #define V4L2_CAP_EXT_PIX_FORMAT		0x00200000  /* Supports the extended pixel format */
455 #define V4L2_CAP_SDR_OUTPUT		0x00400000  /* Is a SDR output device */
456 
457 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
458 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
459 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
460 
461 #define V4L2_CAP_TOUCH                  0x10000000  /* Is a touch device */
462 
463 #define V4L2_CAP_DEVICE_CAPS            0x80000000  /* sets device capabilities field */
464 
465 /*
466  *	V I D E O   I M A G E   F O R M A T
467  */
468 struct v4l2_pix_format {
469 	__u32         		width;
470 	__u32			height;
471 	__u32			pixelformat;
472 	__u32			field;		/* enum v4l2_field */
473 	__u32            	bytesperline;	/* for padding, zero if unused */
474 	__u32          		sizeimage;
475 	__u32			colorspace;	/* enum v4l2_colorspace */
476 	__u32			priv;		/* private data, depends on pixelformat */
477 	__u32			flags;		/* format flags (V4L2_PIX_FMT_FLAG_*) */
478 	union {
479 		/* enum v4l2_ycbcr_encoding */
480 		__u32			ycbcr_enc;
481 		/* enum v4l2_hsv_encoding */
482 		__u32			hsv_enc;
483 	};
484 	__u32			quantization;	/* enum v4l2_quantization */
485 	__u32			xfer_func;	/* enum v4l2_xfer_func */
486 };
487 
488 /*      Pixel format         FOURCC                          depth  Description  */
489 
490 /* RGB formats */
491 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
492 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
493 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16  aaaarrrr ggggbbbb */
494 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16  xxxxrrrr ggggbbbb */
495 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
496 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16  ARGB-1-5-5-5  */
497 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16  XRGB-1-5-5-5  */
498 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
499 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
500 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16  ARGB-5-5-5 BE */
501 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16  XRGB-5-5-5 BE */
502 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
503 #define V4L2_PIX_FMT_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6	  */
504 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
505 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
506 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
507 #define V4L2_PIX_FMT_ABGR32  v4l2_fourcc('A', 'R', '2', '4') /* 32  BGRA-8-8-8-8  */
508 #define V4L2_PIX_FMT_XBGR32  v4l2_fourcc('X', 'R', '2', '4') /* 32  BGRX-8-8-8-8  */
509 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
510 #define V4L2_PIX_FMT_ARGB32  v4l2_fourcc('B', 'A', '2', '4') /* 32  ARGB-8-8-8-8  */
511 #define V4L2_PIX_FMT_XRGB32  v4l2_fourcc('B', 'X', '2', '4') /* 32  XRGB-8-8-8-8  */
512 
513 /* Grey formats */
514 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
515 #define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
516 #define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
517 #define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
518 #define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
519 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
520 #define V4L2_PIX_FMT_Y16_BE  v4l2_fourcc_be('Y', '1', '6', ' ') /* 16  Greyscale BE  */
521 
522 /* Grey bit-packed formats */
523 #define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
524 
525 /* Palette formats */
526 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
527 
528 /* Chrominance formats */
529 #define V4L2_PIX_FMT_UV8     v4l2_fourcc('U', 'V', '8', ' ') /*  8  UV 4:4 */
530 
531 /* Luminance+Chrominance formats */
532 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
533 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
534 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
535 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
536 #define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
537 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
538 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
539 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
540 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
541 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
542 #define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
543 #define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
544 #define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
545 
546 /* two planes -- one Y, one Cr + Cb interleaved  */
547 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
548 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
549 #define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
550 #define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
551 #define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
552 #define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */
553 
554 /* two non contiguous planes - one Y, one Cr + Cb interleaved  */
555 #define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
556 #define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
557 #define V4L2_PIX_FMT_NV16M   v4l2_fourcc('N', 'M', '1', '6') /* 16  Y/CbCr 4:2:2  */
558 #define V4L2_PIX_FMT_NV61M   v4l2_fourcc('N', 'M', '6', '1') /* 16  Y/CrCb 4:2:2  */
559 #define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */
560 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 macroblocks */
561 
562 /* three planes - Y Cb, Cr */
563 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
564 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
565 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12  YVU411 planar */
566 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
567 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
568 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
569 
570 /* three non contiguous planes - Y, Cb, Cr */
571 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
572 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */
573 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16  YUV422 planar */
574 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16  YVU422 planar */
575 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24  YUV444 planar */
576 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24  YVU444 planar */
577 
578 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
579 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
580 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
581 #define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
582 #define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
583 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
584 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
585 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
586 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
587 	/* 10bit raw bayer packed, 5 bytes for every 4 pixels */
588 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
589 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
590 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
591 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
592 	/* 10bit raw bayer a-law compressed to 8 bits */
593 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
594 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
595 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
596 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
597 	/* 10bit raw bayer DPCM compressed to 8 bits */
598 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
599 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
600 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
601 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
602 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
603 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
604 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
605 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
606 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
607 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16  GBGB.. RGRG.. */
608 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16  GRGR.. BGBG.. */
609 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16  RGRG.. GBGB.. */
610 
611 /* HSV formats */
612 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
613 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
614 
615 /* compressed formats */
616 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
617 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
618 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
619 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
620 #define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
621 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
622 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
623 #define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
624 #define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
625 #define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
626 #define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
627 #define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
628 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
629 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
630 #define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
631 #define V4L2_PIX_FMT_VP9      v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
632 
633 /*  Vendor-specific formats   */
634 #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
635 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
636 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
637 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
638 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
639 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
640 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
641 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
642 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
643 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
644 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
645 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
646 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
647 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
648 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
649 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
650 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
651 #define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
652 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
653 #define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
654 #define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
655 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
656 #define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
657 #define V4L2_PIX_FMT_JPGL	v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
658 #define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
659 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
660 #define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
661 #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
662 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
663 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
664 
665 /* SDR formats - used only for Software Defined Radio devices */
666 #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
667 #define V4L2_SDR_FMT_CU16LE       v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
668 #define V4L2_SDR_FMT_CS8          v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
669 #define V4L2_SDR_FMT_CS14LE       v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
670 #define V4L2_SDR_FMT_RU12LE       v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
671 
672 /* Touch formats - used for Touch devices */
673 #define V4L2_TCH_FMT_DELTA_TD16	v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
674 #define V4L2_TCH_FMT_DELTA_TD08	v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
675 #define V4L2_TCH_FMT_TU16	v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
676 #define V4L2_TCH_FMT_TU08	v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
677 
678 /* priv field value to indicates that subsequent fields are valid. */
679 #define V4L2_PIX_FMT_PRIV_MAGIC		0xfeedcafe
680 
681 /* Flags */
682 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA	0x00000001
683 
684 /*
685  *	F O R M A T   E N U M E R A T I O N
686  */
687 struct v4l2_fmtdesc {
688 	__u32		    index;             /* Format number      */
689 	__u32		    type;              /* enum v4l2_buf_type */
690 	__u32               flags;
691 	__u8		    description[32];   /* Description string */
692 	__u32		    pixelformat;       /* Format fourcc      */
693 	__u32		    reserved[4];
694 };
695 
696 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
697 #define V4L2_FMT_FLAG_EMULATED   0x0002
698 
699 	/* Frame Size and frame rate enumeration */
700 /*
701  *	F R A M E   S I Z E   E N U M E R A T I O N
702  */
703 enum v4l2_frmsizetypes {
704 	V4L2_FRMSIZE_TYPE_DISCRETE	= 1,
705 	V4L2_FRMSIZE_TYPE_CONTINUOUS	= 2,
706 	V4L2_FRMSIZE_TYPE_STEPWISE	= 3,
707 };
708 
709 struct v4l2_frmsize_discrete {
710 	__u32			width;		/* Frame width [pixel] */
711 	__u32			height;		/* Frame height [pixel] */
712 };
713 
714 struct v4l2_frmsize_stepwise {
715 	__u32			min_width;	/* Minimum frame width [pixel] */
716 	__u32			max_width;	/* Maximum frame width [pixel] */
717 	__u32			step_width;	/* Frame width step size [pixel] */
718 	__u32			min_height;	/* Minimum frame height [pixel] */
719 	__u32			max_height;	/* Maximum frame height [pixel] */
720 	__u32			step_height;	/* Frame height step size [pixel] */
721 };
722 
723 struct v4l2_frmsizeenum {
724 	__u32			index;		/* Frame size number */
725 	__u32			pixel_format;	/* Pixel format */
726 	__u32			type;		/* Frame size type the device supports. */
727 
728 	union {					/* Frame size */
729 		struct v4l2_frmsize_discrete	discrete;
730 		struct v4l2_frmsize_stepwise	stepwise;
731 	};
732 
733 	__u32   reserved[2];			/* Reserved space for future use */
734 };
735 
736 /*
737  *	F R A M E   R A T E   E N U M E R A T I O N
738  */
739 enum v4l2_frmivaltypes {
740 	V4L2_FRMIVAL_TYPE_DISCRETE	= 1,
741 	V4L2_FRMIVAL_TYPE_CONTINUOUS	= 2,
742 	V4L2_FRMIVAL_TYPE_STEPWISE	= 3,
743 };
744 
745 struct v4l2_frmival_stepwise {
746 	struct v4l2_fract	min;		/* Minimum frame interval [s] */
747 	struct v4l2_fract	max;		/* Maximum frame interval [s] */
748 	struct v4l2_fract	step;		/* Frame interval step size [s] */
749 };
750 
751 struct v4l2_frmivalenum {
752 	__u32			index;		/* Frame format index */
753 	__u32			pixel_format;	/* Pixel format */
754 	__u32			width;		/* Frame width */
755 	__u32			height;		/* Frame height */
756 	__u32			type;		/* Frame interval type the device supports. */
757 
758 	union {					/* Frame interval */
759 		struct v4l2_fract		discrete;
760 		struct v4l2_frmival_stepwise	stepwise;
761 	};
762 
763 	__u32	reserved[2];			/* Reserved space for future use */
764 };
765 
766 /*
767  *	T I M E C O D E
768  */
769 struct v4l2_timecode {
770 	__u32	type;
771 	__u32	flags;
772 	__u8	frames;
773 	__u8	seconds;
774 	__u8	minutes;
775 	__u8	hours;
776 	__u8	userbits[4];
777 };
778 
779 /*  Type  */
780 #define V4L2_TC_TYPE_24FPS		1
781 #define V4L2_TC_TYPE_25FPS		2
782 #define V4L2_TC_TYPE_30FPS		3
783 #define V4L2_TC_TYPE_50FPS		4
784 #define V4L2_TC_TYPE_60FPS		5
785 
786 /*  Flags  */
787 #define V4L2_TC_FLAG_DROPFRAME		0x0001 /* "drop-frame" mode */
788 #define V4L2_TC_FLAG_COLORFRAME		0x0002
789 #define V4L2_TC_USERBITS_field		0x000C
790 #define V4L2_TC_USERBITS_USERDEFINED	0x0000
791 #define V4L2_TC_USERBITS_8BITCHARS	0x0008
792 /* The above is based on SMPTE timecodes */
793 
794 struct v4l2_jpegcompression {
795 	int quality;
796 
797 	int  APPn;              /* Number of APP segment to be written,
798 				 * must be 0..15 */
799 	int  APP_len;           /* Length of data in JPEG APPn segment */
800 	char APP_data[60];      /* Data in the JPEG APPn segment. */
801 
802 	int  COM_len;           /* Length of data in JPEG COM segment */
803 	char COM_data[60];      /* Data in JPEG COM segment */
804 
805 	__u32 jpeg_markers;     /* Which markers should go into the JPEG
806 				 * output. Unless you exactly know what
807 				 * you do, leave them untouched.
808 				 * Including less markers will make the
809 				 * resulting code smaller, but there will
810 				 * be fewer applications which can read it.
811 				 * The presence of the APP and COM marker
812 				 * is influenced by APP_len and COM_len
813 				 * ONLY, not by this property! */
814 
815 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
816 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
817 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
818 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
819 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
820 					* always use APP0 */
821 };
822 
823 /*
824  *	M E M O R Y - M A P P I N G   B U F F E R S
825  */
826 struct v4l2_requestbuffers {
827 	__u32			count;
828 	__u32			type;		/* enum v4l2_buf_type */
829 	__u32			memory;		/* enum v4l2_memory */
830 	__u32			reserved[2];
831 };
832 
833 /**
834  * struct v4l2_plane - plane info for multi-planar buffers
835  * @bytesused:		number of bytes occupied by data in the plane (payload)
836  * @length:		size of this plane (NOT the payload) in bytes
837  * @mem_offset:		when memory in the associated struct v4l2_buffer is
838  *			V4L2_MEMORY_MMAP, equals the offset from the start of
839  *			the device memory for this plane (or is a "cookie" that
840  *			should be passed to mmap() called on the video node)
841  * @userptr:		when memory is V4L2_MEMORY_USERPTR, a userspace pointer
842  *			pointing to this plane
843  * @fd:			when memory is V4L2_MEMORY_DMABUF, a userspace file
844  *			descriptor associated with this plane
845  * @data_offset:	offset in the plane to the start of data; usually 0,
846  *			unless there is a header in front of the data
847  *
848  * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
849  * with two planes can have one plane for Y, and another for interleaved CbCr
850  * components. Each plane can reside in a separate memory buffer, or even in
851  * a completely separate memory node (e.g. in embedded devices).
852  */
853 struct v4l2_plane {
854 	__u32			bytesused;
855 	__u32			length;
856 	union {
857 		__u32		mem_offset;
858 		unsigned long	userptr;
859 		__s32		fd;
860 	} m;
861 	__u32			data_offset;
862 	__u32			reserved[11];
863 };
864 
865 /**
866  * struct v4l2_buffer - video buffer info
867  * @index:	id number of the buffer
868  * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
869  *		multiplanar buffers);
870  * @bytesused:	number of bytes occupied by data in the buffer (payload);
871  *		unused (set to 0) for multiplanar buffers
872  * @flags:	buffer informational flags
873  * @field:	enum v4l2_field; field order of the image in the buffer
874  * @timestamp:	frame timestamp
875  * @timecode:	frame timecode
876  * @sequence:	sequence count of this frame
877  * @memory:	enum v4l2_memory; the method, in which the actual video data is
878  *		passed
879  * @offset:	for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
880  *		offset from the start of the device memory for this plane,
881  *		(or a "cookie" that should be passed to mmap() as offset)
882  * @userptr:	for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
883  *		a userspace pointer pointing to this buffer
884  * @fd:		for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
885  *		a userspace file descriptor associated with this buffer
886  * @planes:	for multiplanar buffers; userspace pointer to the array of plane
887  *		info structs for this buffer
888  * @length:	size in bytes of the buffer (NOT its payload) for single-plane
889  *		buffers (when type != *_MPLANE); number of elements in the
890  *		planes array for multi-plane buffers
891  *
892  * Contains data exchanged by application and driver using one of the Streaming
893  * I/O methods.
894  */
895 struct v4l2_buffer {
896 	__u32			index;
897 	__u32			type;
898 	__u32			bytesused;
899 	__u32			flags;
900 	__u32			field;
901 	struct timeval		timestamp;
902 	struct v4l2_timecode	timecode;
903 	__u32			sequence;
904 
905 	/* memory location */
906 	__u32			memory;
907 	union {
908 		__u32           offset;
909 		unsigned long   userptr;
910 		struct v4l2_plane *planes;
911 		__s32		fd;
912 	} m;
913 	__u32			length;
914 	__u32			reserved2;
915 	__u32			reserved;
916 };
917 
918 /*  Flags for 'flags' field */
919 /* Buffer is mapped (flag) */
920 #define V4L2_BUF_FLAG_MAPPED			0x00000001
921 /* Buffer is queued for processing */
922 #define V4L2_BUF_FLAG_QUEUED			0x00000002
923 /* Buffer is ready */
924 #define V4L2_BUF_FLAG_DONE			0x00000004
925 /* Image is a keyframe (I-frame) */
926 #define V4L2_BUF_FLAG_KEYFRAME			0x00000008
927 /* Image is a P-frame */
928 #define V4L2_BUF_FLAG_PFRAME			0x00000010
929 /* Image is a B-frame */
930 #define V4L2_BUF_FLAG_BFRAME			0x00000020
931 /* Buffer is ready, but the data contained within is corrupted. */
932 #define V4L2_BUF_FLAG_ERROR			0x00000040
933 /* timecode field is valid */
934 #define V4L2_BUF_FLAG_TIMECODE			0x00000100
935 /* Buffer is prepared for queuing */
936 #define V4L2_BUF_FLAG_PREPARED			0x00000400
937 /* Cache handling flags */
938 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE	0x00000800
939 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN		0x00001000
940 /* Timestamp type */
941 #define V4L2_BUF_FLAG_TIMESTAMP_MASK		0x0000e000
942 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN		0x00000000
943 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC	0x00002000
944 #define V4L2_BUF_FLAG_TIMESTAMP_COPY		0x00004000
945 /* Timestamp sources. */
946 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK		0x00070000
947 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF		0x00000000
948 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE		0x00010000
949 /* mem2mem encoder/decoder */
950 #define V4L2_BUF_FLAG_LAST			0x00100000
951 
952 /**
953  * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
954  *
955  * @index:	id number of the buffer
956  * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
957  *		multiplanar buffers);
958  * @plane:	index of the plane to be exported, 0 for single plane queues
959  * @flags:	flags for newly created file, currently only O_CLOEXEC is
960  *		supported, refer to manual of open syscall for more details
961  * @fd:		file descriptor associated with DMABUF (set by driver)
962  *
963  * Contains data used for exporting a video buffer as DMABUF file descriptor.
964  * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
965  * (identical to the cookie used to mmap() the buffer to userspace). All
966  * reserved fields must be set to zero. The field reserved0 is expected to
967  * become a structure 'type' allowing an alternative layout of the structure
968  * content. Therefore this field should not be used for any other extensions.
969  */
970 struct v4l2_exportbuffer {
971 	__u32		type; /* enum v4l2_buf_type */
972 	__u32		index;
973 	__u32		plane;
974 	__u32		flags;
975 	__s32		fd;
976 	__u32		reserved[11];
977 };
978 
979 /*
980  *	O V E R L A Y   P R E V I E W
981  */
982 struct v4l2_framebuffer {
983 	__u32			capability;
984 	__u32			flags;
985 /* FIXME: in theory we should pass something like PCI device + memory
986  * region + offset instead of some physical address */
987 	void                    *base;
988 	struct {
989 		__u32		width;
990 		__u32		height;
991 		__u32		pixelformat;
992 		__u32		field;		/* enum v4l2_field */
993 		__u32		bytesperline;	/* for padding, zero if unused */
994 		__u32		sizeimage;
995 		__u32		colorspace;	/* enum v4l2_colorspace */
996 		__u32		priv;		/* reserved field, set to 0 */
997 	} fmt;
998 };
999 /*  Flags for the 'capability' field. Read only */
1000 #define V4L2_FBUF_CAP_EXTERNOVERLAY	0x0001
1001 #define V4L2_FBUF_CAP_CHROMAKEY		0x0002
1002 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
1003 #define V4L2_FBUF_CAP_BITMAP_CLIPPING	0x0008
1004 #define V4L2_FBUF_CAP_LOCAL_ALPHA	0x0010
1005 #define V4L2_FBUF_CAP_GLOBAL_ALPHA	0x0020
1006 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA	0x0040
1007 #define V4L2_FBUF_CAP_SRC_CHROMAKEY	0x0080
1008 /*  Flags for the 'flags' field. */
1009 #define V4L2_FBUF_FLAG_PRIMARY		0x0001
1010 #define V4L2_FBUF_FLAG_OVERLAY		0x0002
1011 #define V4L2_FBUF_FLAG_CHROMAKEY	0x0004
1012 #define V4L2_FBUF_FLAG_LOCAL_ALPHA	0x0008
1013 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA	0x0010
1014 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA	0x0020
1015 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY	0x0040
1016 
1017 struct v4l2_clip {
1018 	struct v4l2_rect        c;
1019 	struct v4l2_clip	__user *next;
1020 };
1021 
1022 struct v4l2_window {
1023 	struct v4l2_rect        w;
1024 	__u32			field;	 /* enum v4l2_field */
1025 	__u32			chromakey;
1026 	struct v4l2_clip	__user *clips;
1027 	__u32			clipcount;
1028 	void			__user *bitmap;
1029 	__u8                    global_alpha;
1030 };
1031 
1032 /*
1033  *	C A P T U R E   P A R A M E T E R S
1034  */
1035 struct v4l2_captureparm {
1036 	__u32		   capability;	  /*  Supported modes */
1037 	__u32		   capturemode;	  /*  Current mode */
1038 	struct v4l2_fract  timeperframe;  /*  Time per frame in seconds */
1039 	__u32		   extendedmode;  /*  Driver-specific extensions */
1040 	__u32              readbuffers;   /*  # of buffers for read */
1041 	__u32		   reserved[4];
1042 };
1043 
1044 /*  Flags for 'capability' and 'capturemode' fields */
1045 #define V4L2_MODE_HIGHQUALITY	0x0001	/*  High quality imaging mode */
1046 #define V4L2_CAP_TIMEPERFRAME	0x1000	/*  timeperframe field is supported */
1047 
1048 struct v4l2_outputparm {
1049 	__u32		   capability;	 /*  Supported modes */
1050 	__u32		   outputmode;	 /*  Current mode */
1051 	struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
1052 	__u32		   extendedmode; /*  Driver-specific extensions */
1053 	__u32              writebuffers; /*  # of buffers for write */
1054 	__u32		   reserved[4];
1055 };
1056 
1057 /*
1058  *	I N P U T   I M A G E   C R O P P I N G
1059  */
1060 struct v4l2_cropcap {
1061 	__u32			type;	/* enum v4l2_buf_type */
1062 	struct v4l2_rect        bounds;
1063 	struct v4l2_rect        defrect;
1064 	struct v4l2_fract       pixelaspect;
1065 };
1066 
1067 struct v4l2_crop {
1068 	__u32			type;	/* enum v4l2_buf_type */
1069 	struct v4l2_rect        c;
1070 };
1071 
1072 /**
1073  * struct v4l2_selection - selection info
1074  * @type:	buffer type (do not use *_MPLANE types)
1075  * @target:	Selection target, used to choose one of possible rectangles;
1076  *		defined in v4l2-common.h; V4L2_SEL_TGT_* .
1077  * @flags:	constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1078  * @r:		coordinates of selection window
1079  * @reserved:	for future use, rounds structure size to 64 bytes, set to zero
1080  *
1081  * Hardware may use multiple helper windows to process a video stream.
1082  * The structure is used to exchange this selection areas between
1083  * an application and a driver.
1084  */
1085 struct v4l2_selection {
1086 	__u32			type;
1087 	__u32			target;
1088 	__u32                   flags;
1089 	struct v4l2_rect        r;
1090 	__u32                   reserved[9];
1091 };
1092 
1093 
1094 /*
1095  *      A N A L O G   V I D E O   S T A N D A R D
1096  */
1097 
1098 typedef __u64 v4l2_std_id;
1099 
1100 /* one bit for each */
1101 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
1102 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
1103 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
1104 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
1105 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
1106 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
1107 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
1108 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
1109 
1110 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
1111 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
1112 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
1113 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
1114 
1115 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)	/* BTSC */
1116 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)	/* EIA-J */
1117 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
1118 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)	/* FM A2 */
1119 
1120 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
1121 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
1122 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
1123 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
1124 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
1125 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
1126 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
1127 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
1128 
1129 /* ATSC/HDTV */
1130 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
1131 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
1132 
1133 /* FIXME:
1134    Although std_id is 64 bits, there is an issue on PPC32 architecture that
1135    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1136    this value to 32 bits.
1137    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1138    it should work fine. However, if needed to add more than two standards,
1139    v4l2-common.c should be fixed.
1140  */
1141 
1142 /*
1143  * Some macros to merge video standards in order to make live easier for the
1144  * drivers and V4L2 applications
1145  */
1146 
1147 /*
1148  * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1149  * Missing here.
1150  */
1151 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
1152 				 V4L2_STD_NTSC_M_JP     |\
1153 				 V4L2_STD_NTSC_M_KR)
1154 /* Secam macros */
1155 #define V4L2_STD_SECAM_DK      	(V4L2_STD_SECAM_D	|\
1156 				 V4L2_STD_SECAM_K	|\
1157 				 V4L2_STD_SECAM_K1)
1158 /* All Secam Standards */
1159 #define V4L2_STD_SECAM		(V4L2_STD_SECAM_B	|\
1160 				 V4L2_STD_SECAM_G	|\
1161 				 V4L2_STD_SECAM_H	|\
1162 				 V4L2_STD_SECAM_DK	|\
1163 				 V4L2_STD_SECAM_L       |\
1164 				 V4L2_STD_SECAM_LC)
1165 /* PAL macros */
1166 #define V4L2_STD_PAL_BG		(V4L2_STD_PAL_B		|\
1167 				 V4L2_STD_PAL_B1	|\
1168 				 V4L2_STD_PAL_G)
1169 #define V4L2_STD_PAL_DK		(V4L2_STD_PAL_D		|\
1170 				 V4L2_STD_PAL_D1	|\
1171 				 V4L2_STD_PAL_K)
1172 /*
1173  * "Common" PAL - This macro is there to be compatible with the old
1174  * V4L1 concept of "PAL": /BGDKHI.
1175  * Several PAL standards are missing here: /M, /N and /Nc
1176  */
1177 #define V4L2_STD_PAL		(V4L2_STD_PAL_BG	|\
1178 				 V4L2_STD_PAL_DK	|\
1179 				 V4L2_STD_PAL_H		|\
1180 				 V4L2_STD_PAL_I)
1181 /* Chroma "agnostic" standards */
1182 #define V4L2_STD_B		(V4L2_STD_PAL_B		|\
1183 				 V4L2_STD_PAL_B1	|\
1184 				 V4L2_STD_SECAM_B)
1185 #define V4L2_STD_G		(V4L2_STD_PAL_G		|\
1186 				 V4L2_STD_SECAM_G)
1187 #define V4L2_STD_H		(V4L2_STD_PAL_H		|\
1188 				 V4L2_STD_SECAM_H)
1189 #define V4L2_STD_L		(V4L2_STD_SECAM_L	|\
1190 				 V4L2_STD_SECAM_LC)
1191 #define V4L2_STD_GH		(V4L2_STD_G		|\
1192 				 V4L2_STD_H)
1193 #define V4L2_STD_DK		(V4L2_STD_PAL_DK	|\
1194 				 V4L2_STD_SECAM_DK)
1195 #define V4L2_STD_BG		(V4L2_STD_B		|\
1196 				 V4L2_STD_G)
1197 #define V4L2_STD_MN		(V4L2_STD_PAL_M		|\
1198 				 V4L2_STD_PAL_N		|\
1199 				 V4L2_STD_PAL_Nc	|\
1200 				 V4L2_STD_NTSC)
1201 
1202 /* Standards where MTS/BTSC stereo could be found */
1203 #define V4L2_STD_MTS		(V4L2_STD_NTSC_M	|\
1204 				 V4L2_STD_PAL_M		|\
1205 				 V4L2_STD_PAL_N		|\
1206 				 V4L2_STD_PAL_Nc)
1207 
1208 /* Standards for Countries with 60Hz Line frequency */
1209 #define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
1210 				 V4L2_STD_PAL_60	|\
1211 				 V4L2_STD_NTSC		|\
1212 				 V4L2_STD_NTSC_443)
1213 /* Standards for Countries with 50Hz Line frequency */
1214 #define V4L2_STD_625_50		(V4L2_STD_PAL		|\
1215 				 V4L2_STD_PAL_N		|\
1216 				 V4L2_STD_PAL_Nc	|\
1217 				 V4L2_STD_SECAM)
1218 
1219 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
1220 				 V4L2_STD_ATSC_16_VSB)
1221 /* Macros with none and all analog standards */
1222 #define V4L2_STD_UNKNOWN        0
1223 #define V4L2_STD_ALL            (V4L2_STD_525_60	|\
1224 				 V4L2_STD_625_50)
1225 
1226 struct v4l2_standard {
1227 	__u32		     index;
1228 	v4l2_std_id          id;
1229 	__u8		     name[24];
1230 	struct v4l2_fract    frameperiod; /* Frames, not fields */
1231 	__u32		     framelines;
1232 	__u32		     reserved[4];
1233 };
1234 
1235 /*
1236  *	D V 	B T	T I M I N G S
1237  */
1238 
1239 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1240  * @width:	total width of the active video in pixels
1241  * @height:	total height of the active video in lines
1242  * @interlaced:	Interlaced or progressive
1243  * @polarities:	Positive or negative polarities
1244  * @pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1245  * @hfrontporch:Horizontal front porch in pixels
1246  * @hsync:	Horizontal Sync length in pixels
1247  * @hbackporch:	Horizontal back porch in pixels
1248  * @vfrontporch:Vertical front porch in lines
1249  * @vsync:	Vertical Sync length in lines
1250  * @vbackporch:	Vertical back porch in lines
1251  * @il_vfrontporch:Vertical front porch for the even field
1252  *		(aka field 2) of interlaced field formats
1253  * @il_vsync:	Vertical Sync length for the even field
1254  *		(aka field 2) of interlaced field formats
1255  * @il_vbackporch:Vertical back porch for the even field
1256  *		(aka field 2) of interlaced field formats
1257  * @standards:	Standards the timing belongs to
1258  * @flags:	Flags
1259  * @picture_aspect: The picture aspect ratio (hor/vert).
1260  * @cea861_vic:	VIC code as per the CEA-861 standard.
1261  * @hdmi_vic:	VIC code as per the HDMI standard.
1262  * @reserved:	Reserved fields, must be zeroed.
1263  *
1264  * A note regarding vertical interlaced timings: height refers to the total
1265  * height of the active video frame (= two fields). The blanking timings refer
1266  * to the blanking of each field. So the height of the total frame is
1267  * calculated as follows:
1268  *
1269  * tot_height = height + vfrontporch + vsync + vbackporch +
1270  *                       il_vfrontporch + il_vsync + il_vbackporch
1271  *
1272  * The active height of each field is height / 2.
1273  */
1274 struct v4l2_bt_timings {
1275 	__u32	width;
1276 	__u32	height;
1277 	__u32	interlaced;
1278 	__u32	polarities;
1279 	__u64	pixelclock;
1280 	__u32	hfrontporch;
1281 	__u32	hsync;
1282 	__u32	hbackporch;
1283 	__u32	vfrontporch;
1284 	__u32	vsync;
1285 	__u32	vbackporch;
1286 	__u32	il_vfrontporch;
1287 	__u32	il_vsync;
1288 	__u32	il_vbackporch;
1289 	__u32	standards;
1290 	__u32	flags;
1291 	struct v4l2_fract picture_aspect;
1292 	__u8	cea861_vic;
1293 	__u8	hdmi_vic;
1294 	__u8	reserved[46];
1295 } __attribute__ ((packed));
1296 
1297 /* Interlaced or progressive format */
1298 #define	V4L2_DV_PROGRESSIVE	0
1299 #define	V4L2_DV_INTERLACED	1
1300 
1301 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1302 #define V4L2_DV_VSYNC_POS_POL	0x00000001
1303 #define V4L2_DV_HSYNC_POS_POL	0x00000002
1304 
1305 /* Timings standards */
1306 #define V4L2_DV_BT_STD_CEA861	(1 << 0)  /* CEA-861 Digital TV Profile */
1307 #define V4L2_DV_BT_STD_DMT	(1 << 1)  /* VESA Discrete Monitor Timings */
1308 #define V4L2_DV_BT_STD_CVT	(1 << 2)  /* VESA Coordinated Video Timings */
1309 #define V4L2_DV_BT_STD_GTF	(1 << 3)  /* VESA Generalized Timings Formula */
1310 #define V4L2_DV_BT_STD_SDI	(1 << 4)  /* SDI Timings */
1311 
1312 /* Flags */
1313 
1314 /*
1315  * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1316  * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1317  * intervals are reduced, allowing a higher resolution over the same
1318  * bandwidth. This is a read-only flag.
1319  */
1320 #define V4L2_DV_FL_REDUCED_BLANKING		(1 << 0)
1321 /*
1322  * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1323  * of six. These formats can be optionally played at 1 / 1.001 speed.
1324  * This is a read-only flag.
1325  */
1326 #define V4L2_DV_FL_CAN_REDUCE_FPS		(1 << 1)
1327 /*
1328  * CEA-861 specific: only valid for video transmitters, the flag is cleared
1329  * by receivers.
1330  * If the framerate of the format is a multiple of six, then the pixelclock
1331  * used to set up the transmitter is divided by 1.001 to make it compatible
1332  * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1333  * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1334  * such frequencies, then the flag will also be cleared.
1335  */
1336 #define V4L2_DV_FL_REDUCED_FPS			(1 << 2)
1337 /*
1338  * Specific to interlaced formats: if set, then field 1 is really one half-line
1339  * longer and field 2 is really one half-line shorter, so each field has
1340  * exactly the same number of half-lines. Whether half-lines can be detected
1341  * or used depends on the hardware.
1342  */
1343 #define V4L2_DV_FL_HALF_LINE			(1 << 3)
1344 /*
1345  * If set, then this is a Consumer Electronics (CE) video format. Such formats
1346  * differ from other formats (commonly called IT formats) in that if RGB
1347  * encoding is used then by default the RGB values use limited range (i.e.
1348  * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1349  * except for the 640x480 format are CE formats.
1350  */
1351 #define V4L2_DV_FL_IS_CE_VIDEO			(1 << 4)
1352 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1353  * total height. For these formats, if this flag is set, the first
1354  * field has the extra line. If not, it is the second field.
1355  */
1356 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE	(1 << 5)
1357 /*
1358  * If set, then the picture_aspect field is valid. Otherwise assume that the
1359  * pixels are square, so the picture aspect ratio is the same as the width to
1360  * height ratio.
1361  */
1362 #define V4L2_DV_FL_HAS_PICTURE_ASPECT		(1 << 6)
1363 /*
1364  * If set, then the cea861_vic field is valid and contains the Video
1365  * Identification Code as per the CEA-861 standard.
1366  */
1367 #define V4L2_DV_FL_HAS_CEA861_VIC		(1 << 7)
1368 /*
1369  * If set, then the hdmi_vic field is valid and contains the Video
1370  * Identification Code as per the HDMI standard (HDMI Vendor Specific
1371  * InfoFrame).
1372  */
1373 #define V4L2_DV_FL_HAS_HDMI_VIC			(1 << 8)
1374 
1375 /* A few useful defines to calculate the total blanking and frame sizes */
1376 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1377 	((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1378 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1379 	((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1380 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1381 	((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1382 	 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1383 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1384 	((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1385 
1386 /** struct v4l2_dv_timings - DV timings
1387  * @type:	the type of the timings
1388  * @bt:	BT656/1120 timings
1389  */
1390 struct v4l2_dv_timings {
1391 	__u32 type;
1392 	union {
1393 		struct v4l2_bt_timings	bt;
1394 		__u32	reserved[32];
1395 	};
1396 } __attribute__ ((packed));
1397 
1398 /* Values for the type field */
1399 #define V4L2_DV_BT_656_1120	0	/* BT.656/1120 timing type */
1400 
1401 
1402 /** struct v4l2_enum_dv_timings - DV timings enumeration
1403  * @index:	enumeration index
1404  * @pad:	the pad number for which to enumerate timings (used with
1405  *		v4l-subdev nodes only)
1406  * @reserved:	must be zeroed
1407  * @timings:	the timings for the given index
1408  */
1409 struct v4l2_enum_dv_timings {
1410 	__u32 index;
1411 	__u32 pad;
1412 	__u32 reserved[2];
1413 	struct v4l2_dv_timings timings;
1414 };
1415 
1416 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1417  * @min_width:		width in pixels
1418  * @max_width:		width in pixels
1419  * @min_height:		height in lines
1420  * @max_height:		height in lines
1421  * @min_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1422  * @max_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1423  * @standards:		Supported standards
1424  * @capabilities:	Supported capabilities
1425  * @reserved:		Must be zeroed
1426  */
1427 struct v4l2_bt_timings_cap {
1428 	__u32	min_width;
1429 	__u32	max_width;
1430 	__u32	min_height;
1431 	__u32	max_height;
1432 	__u64	min_pixelclock;
1433 	__u64	max_pixelclock;
1434 	__u32	standards;
1435 	__u32	capabilities;
1436 	__u32	reserved[16];
1437 } __attribute__ ((packed));
1438 
1439 /* Supports interlaced formats */
1440 #define V4L2_DV_BT_CAP_INTERLACED	(1 << 0)
1441 /* Supports progressive formats */
1442 #define V4L2_DV_BT_CAP_PROGRESSIVE	(1 << 1)
1443 /* Supports CVT/GTF reduced blanking */
1444 #define V4L2_DV_BT_CAP_REDUCED_BLANKING	(1 << 2)
1445 /* Supports custom formats */
1446 #define V4L2_DV_BT_CAP_CUSTOM		(1 << 3)
1447 
1448 /** struct v4l2_dv_timings_cap - DV timings capabilities
1449  * @type:	the type of the timings (same as in struct v4l2_dv_timings)
1450  * @pad:	the pad number for which to query capabilities (used with
1451  *		v4l-subdev nodes only)
1452  * @bt:		the BT656/1120 timings capabilities
1453  */
1454 struct v4l2_dv_timings_cap {
1455 	__u32 type;
1456 	__u32 pad;
1457 	__u32 reserved[2];
1458 	union {
1459 		struct v4l2_bt_timings_cap bt;
1460 		__u32 raw_data[32];
1461 	};
1462 };
1463 
1464 
1465 /*
1466  *	V I D E O   I N P U T S
1467  */
1468 struct v4l2_input {
1469 	__u32	     index;		/*  Which input */
1470 	__u8	     name[32];		/*  Label */
1471 	__u32	     type;		/*  Type of input */
1472 	__u32	     audioset;		/*  Associated audios (bitfield) */
1473 	__u32        tuner;             /*  enum v4l2_tuner_type */
1474 	v4l2_std_id  std;
1475 	__u32	     status;
1476 	__u32	     capabilities;
1477 	__u32	     reserved[3];
1478 };
1479 
1480 /*  Values for the 'type' field */
1481 #define V4L2_INPUT_TYPE_TUNER		1
1482 #define V4L2_INPUT_TYPE_CAMERA		2
1483 #define V4L2_INPUT_TYPE_TOUCH		3
1484 
1485 /* field 'status' - general */
1486 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
1487 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
1488 #define V4L2_IN_ST_NO_COLOR    0x00000004
1489 
1490 /* field 'status' - sensor orientation */
1491 /* If sensor is mounted upside down set both bits */
1492 #define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
1493 #define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
1494 
1495 /* field 'status' - analog */
1496 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
1497 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
1498 #define V4L2_IN_ST_NO_V_LOCK   0x00000400  /* No vertical sync lock */
1499 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800  /* No standard format lock */
1500 
1501 /* field 'status' - digital */
1502 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
1503 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
1504 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
1505 
1506 /* field 'status' - VCR and set-top box */
1507 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
1508 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
1509 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
1510 
1511 /* capabilities flags */
1512 #define V4L2_IN_CAP_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
1513 #define V4L2_IN_CAP_CUSTOM_TIMINGS	V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1514 #define V4L2_IN_CAP_STD			0x00000004 /* Supports S_STD */
1515 #define V4L2_IN_CAP_NATIVE_SIZE		0x00000008 /* Supports setting native size */
1516 
1517 /*
1518  *	V I D E O   O U T P U T S
1519  */
1520 struct v4l2_output {
1521 	__u32	     index;		/*  Which output */
1522 	__u8	     name[32];		/*  Label */
1523 	__u32	     type;		/*  Type of output */
1524 	__u32	     audioset;		/*  Associated audios (bitfield) */
1525 	__u32	     modulator;         /*  Associated modulator */
1526 	v4l2_std_id  std;
1527 	__u32	     capabilities;
1528 	__u32	     reserved[3];
1529 };
1530 /*  Values for the 'type' field */
1531 #define V4L2_OUTPUT_TYPE_MODULATOR		1
1532 #define V4L2_OUTPUT_TYPE_ANALOG			2
1533 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY	3
1534 
1535 /* capabilities flags */
1536 #define V4L2_OUT_CAP_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
1537 #define V4L2_OUT_CAP_CUSTOM_TIMINGS	V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1538 #define V4L2_OUT_CAP_STD		0x00000004 /* Supports S_STD */
1539 #define V4L2_OUT_CAP_NATIVE_SIZE	0x00000008 /* Supports setting native size */
1540 
1541 /*
1542  *	C O N T R O L S
1543  */
1544 struct v4l2_control {
1545 	__u32		     id;
1546 	__s32		     value;
1547 };
1548 
1549 struct v4l2_ext_control {
1550 	__u32 id;
1551 	__u32 size;
1552 	__u32 reserved2[1];
1553 	union {
1554 		__s32 value;
1555 		__s64 value64;
1556 		char __user *string;
1557 		__u8 __user *p_u8;
1558 		__u16 __user *p_u16;
1559 		__u32 __user *p_u32;
1560 		void __user *ptr;
1561 	};
1562 } __attribute__ ((packed));
1563 
1564 struct v4l2_ext_controls {
1565 	union {
1566 #ifndef __KERNEL__
1567 		__u32 ctrl_class;
1568 #endif
1569 		__u32 which;
1570 	};
1571 	__u32 count;
1572 	__u32 error_idx;
1573 	__u32 reserved[2];
1574 	struct v4l2_ext_control *controls;
1575 };
1576 
1577 #define V4L2_CTRL_ID_MASK      	  (0x0fffffff)
1578 #ifndef __KERNEL__
1579 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
1580 #endif
1581 #define V4L2_CTRL_ID2WHICH(id)    ((id) & 0x0fff0000UL)
1582 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1583 #define V4L2_CTRL_MAX_DIMS	  (4)
1584 #define V4L2_CTRL_WHICH_CUR_VAL   0
1585 #define V4L2_CTRL_WHICH_DEF_VAL   0x0f000000
1586 
1587 enum v4l2_ctrl_type {
1588 	V4L2_CTRL_TYPE_INTEGER	     = 1,
1589 	V4L2_CTRL_TYPE_BOOLEAN	     = 2,
1590 	V4L2_CTRL_TYPE_MENU	     = 3,
1591 	V4L2_CTRL_TYPE_BUTTON	     = 4,
1592 	V4L2_CTRL_TYPE_INTEGER64     = 5,
1593 	V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
1594 	V4L2_CTRL_TYPE_STRING        = 7,
1595 	V4L2_CTRL_TYPE_BITMASK       = 8,
1596 	V4L2_CTRL_TYPE_INTEGER_MENU  = 9,
1597 
1598 	/* Compound types are >= 0x0100 */
1599 	V4L2_CTRL_COMPOUND_TYPES     = 0x0100,
1600 	V4L2_CTRL_TYPE_U8	     = 0x0100,
1601 	V4L2_CTRL_TYPE_U16	     = 0x0101,
1602 	V4L2_CTRL_TYPE_U32	     = 0x0102,
1603 };
1604 
1605 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1606 struct v4l2_queryctrl {
1607 	__u32		     id;
1608 	__u32		     type;	/* enum v4l2_ctrl_type */
1609 	__u8		     name[32];	/* Whatever */
1610 	__s32		     minimum;	/* Note signedness */
1611 	__s32		     maximum;
1612 	__s32		     step;
1613 	__s32		     default_value;
1614 	__u32                flags;
1615 	__u32		     reserved[2];
1616 };
1617 
1618 /*  Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1619 struct v4l2_query_ext_ctrl {
1620 	__u32		     id;
1621 	__u32		     type;
1622 	char		     name[32];
1623 	__s64		     minimum;
1624 	__s64		     maximum;
1625 	__u64		     step;
1626 	__s64		     default_value;
1627 	__u32                flags;
1628 	__u32                elem_size;
1629 	__u32                elems;
1630 	__u32                nr_of_dims;
1631 	__u32                dims[V4L2_CTRL_MAX_DIMS];
1632 	__u32		     reserved[32];
1633 };
1634 
1635 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1636 struct v4l2_querymenu {
1637 	__u32		id;
1638 	__u32		index;
1639 	union {
1640 		__u8	name[32];	/* Whatever */
1641 		__s64	value;
1642 	};
1643 	__u32		reserved;
1644 } __attribute__ ((packed));
1645 
1646 /*  Control flags  */
1647 #define V4L2_CTRL_FLAG_DISABLED		0x0001
1648 #define V4L2_CTRL_FLAG_GRABBED		0x0002
1649 #define V4L2_CTRL_FLAG_READ_ONLY 	0x0004
1650 #define V4L2_CTRL_FLAG_UPDATE 		0x0008
1651 #define V4L2_CTRL_FLAG_INACTIVE 	0x0010
1652 #define V4L2_CTRL_FLAG_SLIDER 		0x0020
1653 #define V4L2_CTRL_FLAG_WRITE_ONLY 	0x0040
1654 #define V4L2_CTRL_FLAG_VOLATILE		0x0080
1655 #define V4L2_CTRL_FLAG_HAS_PAYLOAD	0x0100
1656 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE	0x0200
1657 
1658 /*  Query flags, to be ORed with the control ID */
1659 #define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
1660 #define V4L2_CTRL_FLAG_NEXT_COMPOUND	0x40000000
1661 
1662 /*  User-class control IDs defined by V4L2 */
1663 #define V4L2_CID_MAX_CTRLS		1024
1664 /*  IDs reserved for driver specific controls */
1665 #define V4L2_CID_PRIVATE_BASE		0x08000000
1666 
1667 
1668 /*
1669  *	T U N I N G
1670  */
1671 struct v4l2_tuner {
1672 	__u32                   index;
1673 	__u8			name[32];
1674 	__u32			type;	/* enum v4l2_tuner_type */
1675 	__u32			capability;
1676 	__u32			rangelow;
1677 	__u32			rangehigh;
1678 	__u32			rxsubchans;
1679 	__u32			audmode;
1680 	__s32			signal;
1681 	__s32			afc;
1682 	__u32			reserved[4];
1683 };
1684 
1685 struct v4l2_modulator {
1686 	__u32			index;
1687 	__u8			name[32];
1688 	__u32			capability;
1689 	__u32			rangelow;
1690 	__u32			rangehigh;
1691 	__u32			txsubchans;
1692 	__u32			type;	/* enum v4l2_tuner_type */
1693 	__u32			reserved[3];
1694 };
1695 
1696 /*  Flags for the 'capability' field */
1697 #define V4L2_TUNER_CAP_LOW		0x0001
1698 #define V4L2_TUNER_CAP_NORM		0x0002
1699 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED	0x0004
1700 #define V4L2_TUNER_CAP_HWSEEK_WRAP	0x0008
1701 #define V4L2_TUNER_CAP_STEREO		0x0010
1702 #define V4L2_TUNER_CAP_LANG2		0x0020
1703 #define V4L2_TUNER_CAP_SAP		0x0020
1704 #define V4L2_TUNER_CAP_LANG1		0x0040
1705 #define V4L2_TUNER_CAP_RDS		0x0080
1706 #define V4L2_TUNER_CAP_RDS_BLOCK_IO	0x0100
1707 #define V4L2_TUNER_CAP_RDS_CONTROLS	0x0200
1708 #define V4L2_TUNER_CAP_FREQ_BANDS	0x0400
1709 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM	0x0800
1710 #define V4L2_TUNER_CAP_1HZ		0x1000
1711 
1712 /*  Flags for the 'rxsubchans' field */
1713 #define V4L2_TUNER_SUB_MONO		0x0001
1714 #define V4L2_TUNER_SUB_STEREO		0x0002
1715 #define V4L2_TUNER_SUB_LANG2		0x0004
1716 #define V4L2_TUNER_SUB_SAP		0x0004
1717 #define V4L2_TUNER_SUB_LANG1		0x0008
1718 #define V4L2_TUNER_SUB_RDS		0x0010
1719 
1720 /*  Values for the 'audmode' field */
1721 #define V4L2_TUNER_MODE_MONO		0x0000
1722 #define V4L2_TUNER_MODE_STEREO		0x0001
1723 #define V4L2_TUNER_MODE_LANG2		0x0002
1724 #define V4L2_TUNER_MODE_SAP		0x0002
1725 #define V4L2_TUNER_MODE_LANG1		0x0003
1726 #define V4L2_TUNER_MODE_LANG1_LANG2	0x0004
1727 
1728 struct v4l2_frequency {
1729 	__u32	tuner;
1730 	__u32	type;	/* enum v4l2_tuner_type */
1731 	__u32	frequency;
1732 	__u32	reserved[8];
1733 };
1734 
1735 #define V4L2_BAND_MODULATION_VSB	(1 << 1)
1736 #define V4L2_BAND_MODULATION_FM		(1 << 2)
1737 #define V4L2_BAND_MODULATION_AM		(1 << 3)
1738 
1739 struct v4l2_frequency_band {
1740 	__u32	tuner;
1741 	__u32	type;	/* enum v4l2_tuner_type */
1742 	__u32	index;
1743 	__u32	capability;
1744 	__u32	rangelow;
1745 	__u32	rangehigh;
1746 	__u32	modulation;
1747 	__u32	reserved[9];
1748 };
1749 
1750 struct v4l2_hw_freq_seek {
1751 	__u32	tuner;
1752 	__u32	type;	/* enum v4l2_tuner_type */
1753 	__u32	seek_upward;
1754 	__u32	wrap_around;
1755 	__u32	spacing;
1756 	__u32	rangelow;
1757 	__u32	rangehigh;
1758 	__u32	reserved[5];
1759 };
1760 
1761 /*
1762  *	R D S
1763  */
1764 
1765 struct v4l2_rds_data {
1766 	__u8 	lsb;
1767 	__u8 	msb;
1768 	__u8 	block;
1769 } __attribute__ ((packed));
1770 
1771 #define V4L2_RDS_BLOCK_MSK 	 0x7
1772 #define V4L2_RDS_BLOCK_A 	 0
1773 #define V4L2_RDS_BLOCK_B 	 1
1774 #define V4L2_RDS_BLOCK_C 	 2
1775 #define V4L2_RDS_BLOCK_D 	 3
1776 #define V4L2_RDS_BLOCK_C_ALT 	 4
1777 #define V4L2_RDS_BLOCK_INVALID 	 7
1778 
1779 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1780 #define V4L2_RDS_BLOCK_ERROR 	 0x80
1781 
1782 /*
1783  *	A U D I O
1784  */
1785 struct v4l2_audio {
1786 	__u32	index;
1787 	__u8	name[32];
1788 	__u32	capability;
1789 	__u32	mode;
1790 	__u32	reserved[2];
1791 };
1792 
1793 /*  Flags for the 'capability' field */
1794 #define V4L2_AUDCAP_STEREO		0x00001
1795 #define V4L2_AUDCAP_AVL			0x00002
1796 
1797 /*  Flags for the 'mode' field */
1798 #define V4L2_AUDMODE_AVL		0x00001
1799 
1800 struct v4l2_audioout {
1801 	__u32	index;
1802 	__u8	name[32];
1803 	__u32	capability;
1804 	__u32	mode;
1805 	__u32	reserved[2];
1806 };
1807 
1808 /*
1809  *	M P E G   S E R V I C E S
1810  */
1811 #if 1
1812 #define V4L2_ENC_IDX_FRAME_I    (0)
1813 #define V4L2_ENC_IDX_FRAME_P    (1)
1814 #define V4L2_ENC_IDX_FRAME_B    (2)
1815 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1816 
1817 struct v4l2_enc_idx_entry {
1818 	__u64 offset;
1819 	__u64 pts;
1820 	__u32 length;
1821 	__u32 flags;
1822 	__u32 reserved[2];
1823 };
1824 
1825 #define V4L2_ENC_IDX_ENTRIES (64)
1826 struct v4l2_enc_idx {
1827 	__u32 entries;
1828 	__u32 entries_cap;
1829 	__u32 reserved[4];
1830 	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1831 };
1832 
1833 
1834 #define V4L2_ENC_CMD_START      (0)
1835 #define V4L2_ENC_CMD_STOP       (1)
1836 #define V4L2_ENC_CMD_PAUSE      (2)
1837 #define V4L2_ENC_CMD_RESUME     (3)
1838 
1839 /* Flags for V4L2_ENC_CMD_STOP */
1840 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
1841 
1842 struct v4l2_encoder_cmd {
1843 	__u32 cmd;
1844 	__u32 flags;
1845 	union {
1846 		struct {
1847 			__u32 data[8];
1848 		} raw;
1849 	};
1850 };
1851 
1852 /* Decoder commands */
1853 #define V4L2_DEC_CMD_START       (0)
1854 #define V4L2_DEC_CMD_STOP        (1)
1855 #define V4L2_DEC_CMD_PAUSE       (2)
1856 #define V4L2_DEC_CMD_RESUME      (3)
1857 
1858 /* Flags for V4L2_DEC_CMD_START */
1859 #define V4L2_DEC_CMD_START_MUTE_AUDIO	(1 << 0)
1860 
1861 /* Flags for V4L2_DEC_CMD_PAUSE */
1862 #define V4L2_DEC_CMD_PAUSE_TO_BLACK	(1 << 0)
1863 
1864 /* Flags for V4L2_DEC_CMD_STOP */
1865 #define V4L2_DEC_CMD_STOP_TO_BLACK	(1 << 0)
1866 #define V4L2_DEC_CMD_STOP_IMMEDIATELY	(1 << 1)
1867 
1868 /* Play format requirements (returned by the driver): */
1869 
1870 /* The decoder has no special format requirements */
1871 #define V4L2_DEC_START_FMT_NONE		(0)
1872 /* The decoder requires full GOPs */
1873 #define V4L2_DEC_START_FMT_GOP		(1)
1874 
1875 /* The structure must be zeroed before use by the application
1876    This ensures it can be extended safely in the future. */
1877 struct v4l2_decoder_cmd {
1878 	__u32 cmd;
1879 	__u32 flags;
1880 	union {
1881 		struct {
1882 			__u64 pts;
1883 		} stop;
1884 
1885 		struct {
1886 			/* 0 or 1000 specifies normal speed,
1887 			   1 specifies forward single stepping,
1888 			   -1 specifies backward single stepping,
1889 			   >1: playback at speed/1000 of the normal speed,
1890 			   <-1: reverse playback at (-speed/1000) of the normal speed. */
1891 			__s32 speed;
1892 			__u32 format;
1893 		} start;
1894 
1895 		struct {
1896 			__u32 data[16];
1897 		} raw;
1898 	};
1899 };
1900 #endif
1901 
1902 
1903 /*
1904  *	D A T A   S E R V I C E S   ( V B I )
1905  *
1906  *	Data services API by Michael Schimek
1907  */
1908 
1909 /* Raw VBI */
1910 struct v4l2_vbi_format {
1911 	__u32	sampling_rate;		/* in 1 Hz */
1912 	__u32	offset;
1913 	__u32	samples_per_line;
1914 	__u32	sample_format;		/* V4L2_PIX_FMT_* */
1915 	__s32	start[2];
1916 	__u32	count[2];
1917 	__u32	flags;			/* V4L2_VBI_* */
1918 	__u32	reserved[2];		/* must be zero */
1919 };
1920 
1921 /*  VBI flags  */
1922 #define V4L2_VBI_UNSYNC		(1 << 0)
1923 #define V4L2_VBI_INTERLACED	(1 << 1)
1924 
1925 /* ITU-R start lines for each field */
1926 #define V4L2_VBI_ITU_525_F1_START (1)
1927 #define V4L2_VBI_ITU_525_F2_START (264)
1928 #define V4L2_VBI_ITU_625_F1_START (1)
1929 #define V4L2_VBI_ITU_625_F2_START (314)
1930 
1931 /* Sliced VBI
1932  *
1933  *    This implements is a proposal V4L2 API to allow SLICED VBI
1934  * required for some hardware encoders. It should change without
1935  * notice in the definitive implementation.
1936  */
1937 
1938 struct v4l2_sliced_vbi_format {
1939 	__u16   service_set;
1940 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1941 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1942 				 (equals frame lines 313-336 for 625 line video
1943 				  standards, 263-286 for 525 line standards) */
1944 	__u16   service_lines[2][24];
1945 	__u32   io_size;
1946 	__u32   reserved[2];            /* must be zero */
1947 };
1948 
1949 /* Teletext World System Teletext
1950    (WST), defined on ITU-R BT.653-2 */
1951 #define V4L2_SLICED_TELETEXT_B          (0x0001)
1952 /* Video Program System, defined on ETS 300 231*/
1953 #define V4L2_SLICED_VPS                 (0x0400)
1954 /* Closed Caption, defined on EIA-608 */
1955 #define V4L2_SLICED_CAPTION_525         (0x1000)
1956 /* Wide Screen System, defined on ITU-R BT1119.1 */
1957 #define V4L2_SLICED_WSS_625             (0x4000)
1958 
1959 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
1960 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1961 
1962 struct v4l2_sliced_vbi_cap {
1963 	__u16   service_set;
1964 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1965 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1966 				 (equals frame lines 313-336 for 625 line video
1967 				  standards, 263-286 for 525 line standards) */
1968 	__u16   service_lines[2][24];
1969 	__u32	type;		/* enum v4l2_buf_type */
1970 	__u32   reserved[3];    /* must be 0 */
1971 };
1972 
1973 struct v4l2_sliced_vbi_data {
1974 	__u32   id;
1975 	__u32   field;          /* 0: first field, 1: second field */
1976 	__u32   line;           /* 1-23 */
1977 	__u32   reserved;       /* must be 0 */
1978 	__u8    data[48];
1979 };
1980 
1981 /*
1982  * Sliced VBI data inserted into MPEG Streams
1983  */
1984 
1985 /*
1986  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1987  *
1988  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1989  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1990  * data
1991  *
1992  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1993  * definitions are not included here.  See the MPEG-2 specifications for details
1994  * on these headers.
1995  */
1996 
1997 /* Line type IDs */
1998 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
1999 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
2000 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
2001 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
2002 
2003 struct v4l2_mpeg_vbi_itv0_line {
2004 	__u8 id;	/* One of V4L2_MPEG_VBI_IVTV_* above */
2005 	__u8 data[42];	/* Sliced VBI data for the line */
2006 } __attribute__ ((packed));
2007 
2008 struct v4l2_mpeg_vbi_itv0 {
2009 	__le32 linemask[2]; /* Bitmasks of VBI service lines present */
2010 	struct v4l2_mpeg_vbi_itv0_line line[35];
2011 } __attribute__ ((packed));
2012 
2013 struct v4l2_mpeg_vbi_ITV0 {
2014 	struct v4l2_mpeg_vbi_itv0_line line[36];
2015 } __attribute__ ((packed));
2016 
2017 #define V4L2_MPEG_VBI_IVTV_MAGIC0	"itv0"
2018 #define V4L2_MPEG_VBI_IVTV_MAGIC1	"ITV0"
2019 
2020 struct v4l2_mpeg_vbi_fmt_ivtv {
2021 	__u8 magic[4];
2022 	union {
2023 		struct v4l2_mpeg_vbi_itv0 itv0;
2024 		struct v4l2_mpeg_vbi_ITV0 ITV0;
2025 	};
2026 } __attribute__ ((packed));
2027 
2028 /*
2029  *	A G G R E G A T E   S T R U C T U R E S
2030  */
2031 
2032 /**
2033  * struct v4l2_plane_pix_format - additional, per-plane format definition
2034  * @sizeimage:		maximum size in bytes required for data, for which
2035  *			this plane will be used
2036  * @bytesperline:	distance in bytes between the leftmost pixels in two
2037  *			adjacent lines
2038  */
2039 struct v4l2_plane_pix_format {
2040 	__u32		sizeimage;
2041 	__u32		bytesperline;
2042 	__u16		reserved[6];
2043 } __attribute__ ((packed));
2044 
2045 /**
2046  * struct v4l2_pix_format_mplane - multiplanar format definition
2047  * @width:		image width in pixels
2048  * @height:		image height in pixels
2049  * @pixelformat:	little endian four character code (fourcc)
2050  * @field:		enum v4l2_field; field order (for interlaced video)
2051  * @colorspace:		enum v4l2_colorspace; supplemental to pixelformat
2052  * @plane_fmt:		per-plane information
2053  * @num_planes:		number of planes for this format
2054  * @flags:		format flags (V4L2_PIX_FMT_FLAG_*)
2055  * @ycbcr_enc:		enum v4l2_ycbcr_encoding, Y'CbCr encoding
2056  * @quantization:	enum v4l2_quantization, colorspace quantization
2057  * @xfer_func:		enum v4l2_xfer_func, colorspace transfer function
2058  */
2059 struct v4l2_pix_format_mplane {
2060 	__u32				width;
2061 	__u32				height;
2062 	__u32				pixelformat;
2063 	__u32				field;
2064 	__u32				colorspace;
2065 
2066 	struct v4l2_plane_pix_format	plane_fmt[VIDEO_MAX_PLANES];
2067 	__u8				num_planes;
2068 	__u8				flags;
2069 	 union {
2070 		__u8				ycbcr_enc;
2071 		__u8				hsv_enc;
2072 	};
2073 	__u8				quantization;
2074 	__u8				xfer_func;
2075 	__u8				reserved[7];
2076 } __attribute__ ((packed));
2077 
2078 /**
2079  * struct v4l2_sdr_format - SDR format definition
2080  * @pixelformat:	little endian four character code (fourcc)
2081  * @buffersize:		maximum size in bytes required for data
2082  */
2083 struct v4l2_sdr_format {
2084 	__u32				pixelformat;
2085 	__u32				buffersize;
2086 	__u8				reserved[24];
2087 } __attribute__ ((packed));
2088 
2089 /**
2090  * struct v4l2_format - stream data format
2091  * @type:	enum v4l2_buf_type; type of the data stream
2092  * @pix:	definition of an image format
2093  * @pix_mp:	definition of a multiplanar image format
2094  * @win:	definition of an overlaid image
2095  * @vbi:	raw VBI capture or output parameters
2096  * @sliced:	sliced VBI capture or output parameters
2097  * @raw_data:	placeholder for future extensions and custom formats
2098  */
2099 struct v4l2_format {
2100 	__u32	 type;
2101 	union {
2102 		struct v4l2_pix_format		pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2103 		struct v4l2_pix_format_mplane	pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2104 		struct v4l2_window		win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2105 		struct v4l2_vbi_format		vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
2106 		struct v4l2_sliced_vbi_format	sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2107 		struct v4l2_sdr_format		sdr;     /* V4L2_BUF_TYPE_SDR_CAPTURE */
2108 		__u8	raw_data[200];                   /* user-defined */
2109 	} fmt;
2110 };
2111 
2112 /*	Stream type-dependent parameters
2113  */
2114 struct v4l2_streamparm {
2115 	__u32	 type;			/* enum v4l2_buf_type */
2116 	union {
2117 		struct v4l2_captureparm	capture;
2118 		struct v4l2_outputparm	output;
2119 		__u8	raw_data[200];  /* user-defined */
2120 	} parm;
2121 };
2122 
2123 /*
2124  *	E V E N T S
2125  */
2126 
2127 #define V4L2_EVENT_ALL				0
2128 #define V4L2_EVENT_VSYNC			1
2129 #define V4L2_EVENT_EOS				2
2130 #define V4L2_EVENT_CTRL				3
2131 #define V4L2_EVENT_FRAME_SYNC			4
2132 #define V4L2_EVENT_SOURCE_CHANGE		5
2133 #define V4L2_EVENT_MOTION_DET			6
2134 #define V4L2_EVENT_PRIVATE_START		0x08000000
2135 
2136 /* Payload for V4L2_EVENT_VSYNC */
2137 struct v4l2_event_vsync {
2138 	/* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2139 	__u8 field;
2140 } __attribute__ ((packed));
2141 
2142 /* Payload for V4L2_EVENT_CTRL */
2143 #define V4L2_EVENT_CTRL_CH_VALUE		(1 << 0)
2144 #define V4L2_EVENT_CTRL_CH_FLAGS		(1 << 1)
2145 #define V4L2_EVENT_CTRL_CH_RANGE		(1 << 2)
2146 
2147 struct v4l2_event_ctrl {
2148 	__u32 changes;
2149 	__u32 type;
2150 	union {
2151 		__s32 value;
2152 		__s64 value64;
2153 	};
2154 	__u32 flags;
2155 	__s32 minimum;
2156 	__s32 maximum;
2157 	__s32 step;
2158 	__s32 default_value;
2159 };
2160 
2161 struct v4l2_event_frame_sync {
2162 	__u32 frame_sequence;
2163 };
2164 
2165 #define V4L2_EVENT_SRC_CH_RESOLUTION		(1 << 0)
2166 
2167 struct v4l2_event_src_change {
2168 	__u32 changes;
2169 };
2170 
2171 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ	(1 << 0)
2172 
2173 /**
2174  * struct v4l2_event_motion_det - motion detection event
2175  * @flags:             if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2176  *                     frame_sequence field is valid.
2177  * @frame_sequence:    the frame sequence number associated with this event.
2178  * @region_mask:       which regions detected motion.
2179  */
2180 struct v4l2_event_motion_det {
2181 	__u32 flags;
2182 	__u32 frame_sequence;
2183 	__u32 region_mask;
2184 };
2185 
2186 struct v4l2_event {
2187 	__u32				type;
2188 	union {
2189 		struct v4l2_event_vsync		vsync;
2190 		struct v4l2_event_ctrl		ctrl;
2191 		struct v4l2_event_frame_sync	frame_sync;
2192 		struct v4l2_event_src_change	src_change;
2193 		struct v4l2_event_motion_det	motion_det;
2194 		__u8				data[64];
2195 	} u;
2196 	__u32				pending;
2197 	__u32				sequence;
2198 	struct timespec			timestamp;
2199 	__u32				id;
2200 	__u32				reserved[8];
2201 };
2202 
2203 #define V4L2_EVENT_SUB_FL_SEND_INITIAL		(1 << 0)
2204 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK	(1 << 1)
2205 
2206 struct v4l2_event_subscription {
2207 	__u32				type;
2208 	__u32				id;
2209 	__u32				flags;
2210 	__u32				reserved[5];
2211 };
2212 
2213 /*
2214  *	A D V A N C E D   D E B U G G I N G
2215  *
2216  *	NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2217  *	FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2218  */
2219 
2220 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2221 
2222 #define V4L2_CHIP_MATCH_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
2223 #define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
2224 
2225 /* The following four defines are no longer in use */
2226 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2227 #define V4L2_CHIP_MATCH_I2C_DRIVER  1  /* Match against I2C driver name */
2228 #define V4L2_CHIP_MATCH_I2C_ADDR    2  /* Match against I2C 7-bit address */
2229 #define V4L2_CHIP_MATCH_AC97        3  /* Match against ancillary AC97 chip */
2230 
2231 struct v4l2_dbg_match {
2232 	__u32 type; /* Match type */
2233 	union {     /* Match this chip, meaning determined by type */
2234 		__u32 addr;
2235 		char name[32];
2236 	};
2237 } __attribute__ ((packed));
2238 
2239 struct v4l2_dbg_register {
2240 	struct v4l2_dbg_match match;
2241 	__u32 size;	/* register size in bytes */
2242 	__u64 reg;
2243 	__u64 val;
2244 } __attribute__ ((packed));
2245 
2246 #define V4L2_CHIP_FL_READABLE (1 << 0)
2247 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2248 
2249 /* VIDIOC_DBG_G_CHIP_INFO */
2250 struct v4l2_dbg_chip_info {
2251 	struct v4l2_dbg_match match;
2252 	char name[32];
2253 	__u32 flags;
2254 	__u32 reserved[32];
2255 } __attribute__ ((packed));
2256 
2257 /**
2258  * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2259  * @index:	on return, index of the first created buffer
2260  * @count:	entry: number of requested buffers,
2261  *		return: number of created buffers
2262  * @memory:	enum v4l2_memory; buffer memory type
2263  * @format:	frame format, for which buffers are requested
2264  * @reserved:	future extensions
2265  */
2266 struct v4l2_create_buffers {
2267 	__u32			index;
2268 	__u32			count;
2269 	__u32			memory;
2270 	struct v4l2_format	format;
2271 	__u32			reserved[8];
2272 };
2273 
2274 /*
2275  *	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
2276  *
2277  */
2278 #define VIDIOC_QUERYCAP		 _IOR('V',  0, struct v4l2_capability)
2279 #define VIDIOC_RESERVED		  _IO('V',  1)
2280 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
2281 #define VIDIOC_G_FMT		_IOWR('V',  4, struct v4l2_format)
2282 #define VIDIOC_S_FMT		_IOWR('V',  5, struct v4l2_format)
2283 #define VIDIOC_REQBUFS		_IOWR('V',  8, struct v4l2_requestbuffers)
2284 #define VIDIOC_QUERYBUF		_IOWR('V',  9, struct v4l2_buffer)
2285 #define VIDIOC_G_FBUF		 _IOR('V', 10, struct v4l2_framebuffer)
2286 #define VIDIOC_S_FBUF		 _IOW('V', 11, struct v4l2_framebuffer)
2287 #define VIDIOC_OVERLAY		 _IOW('V', 14, int)
2288 #define VIDIOC_QBUF		_IOWR('V', 15, struct v4l2_buffer)
2289 #define VIDIOC_EXPBUF		_IOWR('V', 16, struct v4l2_exportbuffer)
2290 #define VIDIOC_DQBUF		_IOWR('V', 17, struct v4l2_buffer)
2291 #define VIDIOC_STREAMON		 _IOW('V', 18, int)
2292 #define VIDIOC_STREAMOFF	 _IOW('V', 19, int)
2293 #define VIDIOC_G_PARM		_IOWR('V', 21, struct v4l2_streamparm)
2294 #define VIDIOC_S_PARM		_IOWR('V', 22, struct v4l2_streamparm)
2295 #define VIDIOC_G_STD		 _IOR('V', 23, v4l2_std_id)
2296 #define VIDIOC_S_STD		 _IOW('V', 24, v4l2_std_id)
2297 #define VIDIOC_ENUMSTD		_IOWR('V', 25, struct v4l2_standard)
2298 #define VIDIOC_ENUMINPUT	_IOWR('V', 26, struct v4l2_input)
2299 #define VIDIOC_G_CTRL		_IOWR('V', 27, struct v4l2_control)
2300 #define VIDIOC_S_CTRL		_IOWR('V', 28, struct v4l2_control)
2301 #define VIDIOC_G_TUNER		_IOWR('V', 29, struct v4l2_tuner)
2302 #define VIDIOC_S_TUNER		 _IOW('V', 30, struct v4l2_tuner)
2303 #define VIDIOC_G_AUDIO		 _IOR('V', 33, struct v4l2_audio)
2304 #define VIDIOC_S_AUDIO		 _IOW('V', 34, struct v4l2_audio)
2305 #define VIDIOC_QUERYCTRL	_IOWR('V', 36, struct v4l2_queryctrl)
2306 #define VIDIOC_QUERYMENU	_IOWR('V', 37, struct v4l2_querymenu)
2307 #define VIDIOC_G_INPUT		 _IOR('V', 38, int)
2308 #define VIDIOC_S_INPUT		_IOWR('V', 39, int)
2309 #define VIDIOC_G_EDID		_IOWR('V', 40, struct v4l2_edid)
2310 #define VIDIOC_S_EDID		_IOWR('V', 41, struct v4l2_edid)
2311 #define VIDIOC_G_OUTPUT		 _IOR('V', 46, int)
2312 #define VIDIOC_S_OUTPUT		_IOWR('V', 47, int)
2313 #define VIDIOC_ENUMOUTPUT	_IOWR('V', 48, struct v4l2_output)
2314 #define VIDIOC_G_AUDOUT		 _IOR('V', 49, struct v4l2_audioout)
2315 #define VIDIOC_S_AUDOUT		 _IOW('V', 50, struct v4l2_audioout)
2316 #define VIDIOC_G_MODULATOR	_IOWR('V', 54, struct v4l2_modulator)
2317 #define VIDIOC_S_MODULATOR	 _IOW('V', 55, struct v4l2_modulator)
2318 #define VIDIOC_G_FREQUENCY	_IOWR('V', 56, struct v4l2_frequency)
2319 #define VIDIOC_S_FREQUENCY	 _IOW('V', 57, struct v4l2_frequency)
2320 #define VIDIOC_CROPCAP		_IOWR('V', 58, struct v4l2_cropcap)
2321 #define VIDIOC_G_CROP		_IOWR('V', 59, struct v4l2_crop)
2322 #define VIDIOC_S_CROP		 _IOW('V', 60, struct v4l2_crop)
2323 #define VIDIOC_G_JPEGCOMP	 _IOR('V', 61, struct v4l2_jpegcompression)
2324 #define VIDIOC_S_JPEGCOMP	 _IOW('V', 62, struct v4l2_jpegcompression)
2325 #define VIDIOC_QUERYSTD      	 _IOR('V', 63, v4l2_std_id)
2326 #define VIDIOC_TRY_FMT      	_IOWR('V', 64, struct v4l2_format)
2327 #define VIDIOC_ENUMAUDIO	_IOWR('V', 65, struct v4l2_audio)
2328 #define VIDIOC_ENUMAUDOUT	_IOWR('V', 66, struct v4l2_audioout)
2329 #define VIDIOC_G_PRIORITY	 _IOR('V', 67, __u32) /* enum v4l2_priority */
2330 #define VIDIOC_S_PRIORITY	 _IOW('V', 68, __u32) /* enum v4l2_priority */
2331 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2332 #define VIDIOC_LOG_STATUS         _IO('V', 70)
2333 #define VIDIOC_G_EXT_CTRLS	_IOWR('V', 71, struct v4l2_ext_controls)
2334 #define VIDIOC_S_EXT_CTRLS	_IOWR('V', 72, struct v4l2_ext_controls)
2335 #define VIDIOC_TRY_EXT_CTRLS	_IOWR('V', 73, struct v4l2_ext_controls)
2336 #define VIDIOC_ENUM_FRAMESIZES	_IOWR('V', 74, struct v4l2_frmsizeenum)
2337 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2338 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
2339 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
2340 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
2341 
2342 /*
2343  * Experimental, meant for debugging, testing and internal use.
2344  * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2345  * You must be root to use these ioctls. Never use these in applications!
2346  */
2347 #define	VIDIOC_DBG_S_REGISTER 	 _IOW('V', 79, struct v4l2_dbg_register)
2348 #define	VIDIOC_DBG_G_REGISTER 	_IOWR('V', 80, struct v4l2_dbg_register)
2349 
2350 #define VIDIOC_S_HW_FREQ_SEEK	 _IOW('V', 82, struct v4l2_hw_freq_seek)
2351 #define	VIDIOC_S_DV_TIMINGS	_IOWR('V', 87, struct v4l2_dv_timings)
2352 #define	VIDIOC_G_DV_TIMINGS	_IOWR('V', 88, struct v4l2_dv_timings)
2353 #define	VIDIOC_DQEVENT		 _IOR('V', 89, struct v4l2_event)
2354 #define	VIDIOC_SUBSCRIBE_EVENT	 _IOW('V', 90, struct v4l2_event_subscription)
2355 #define	VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2356 #define VIDIOC_CREATE_BUFS	_IOWR('V', 92, struct v4l2_create_buffers)
2357 #define VIDIOC_PREPARE_BUF	_IOWR('V', 93, struct v4l2_buffer)
2358 #define VIDIOC_G_SELECTION	_IOWR('V', 94, struct v4l2_selection)
2359 #define VIDIOC_S_SELECTION	_IOWR('V', 95, struct v4l2_selection)
2360 #define VIDIOC_DECODER_CMD	_IOWR('V', 96, struct v4l2_decoder_cmd)
2361 #define VIDIOC_TRY_DECODER_CMD	_IOWR('V', 97, struct v4l2_decoder_cmd)
2362 #define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
2363 #define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
2364 #define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
2365 #define VIDIOC_ENUM_FREQ_BANDS	_IOWR('V', 101, struct v4l2_frequency_band)
2366 
2367 /*
2368  * Experimental, meant for debugging, testing and internal use.
2369  * Never use this in applications!
2370  */
2371 #define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)
2372 
2373 #define VIDIOC_QUERY_EXT_CTRL	_IOWR('V', 103, struct v4l2_query_ext_ctrl)
2374 
2375 /* Reminder: when adding new ioctls please add support for them to
2376    drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2377 
2378 #define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
2379 
2380 #endif /* _UAPI__LINUX_VIDEODEV2_H */
2381