xref: /linux-6.15/include/uapi/linux/videodev2.h (revision 8fdff1dc)
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 http://linuxtv.org for more info
50  *
51  *	Author: Bill Dirks <[email protected]>
52  *		Justin Schoeman
53  *              Hans Verkuil <[email protected]>
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 #ifndef __KERNEL__
76 
77 /* These defines are V4L1 specific and should not be used with the V4L2 API!
78    They will be removed from this header in the future. */
79 
80 #define VID_TYPE_CAPTURE	1	/* Can capture */
81 #define VID_TYPE_TUNER		2	/* Can tune */
82 #define VID_TYPE_TELETEXT	4	/* Does teletext */
83 #define VID_TYPE_OVERLAY	8	/* Overlay onto frame buffer */
84 #define VID_TYPE_CHROMAKEY	16	/* Overlay by chromakey */
85 #define VID_TYPE_CLIPPING	32	/* Can clip */
86 #define VID_TYPE_FRAMERAM	64	/* Uses the frame buffer memory */
87 #define VID_TYPE_SCALES		128	/* Scalable */
88 #define VID_TYPE_MONOCHROME	256	/* Monochrome only */
89 #define VID_TYPE_SUBCAPTURE	512	/* Can capture subareas of the image */
90 #define VID_TYPE_MPEG_DECODER	1024	/* Can decode MPEG streams */
91 #define VID_TYPE_MPEG_ENCODER	2048	/* Can encode MPEG streams */
92 #define VID_TYPE_MJPEG_DECODER	4096	/* Can decode MJPEG streams */
93 #define VID_TYPE_MJPEG_ENCODER	8192	/* Can encode MJPEG streams */
94 #endif
95 
96 /*
97  *	M I S C E L L A N E O U S
98  */
99 
100 /*  Four-character-code (FOURCC) */
101 #define v4l2_fourcc(a, b, c, d)\
102 	((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
103 
104 /*
105  *	E N U M S
106  */
107 enum v4l2_field {
108 	V4L2_FIELD_ANY           = 0, /* driver can choose from none,
109 					 top, bottom, interlaced
110 					 depending on whatever it thinks
111 					 is approximate ... */
112 	V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
113 	V4L2_FIELD_TOP           = 2, /* top field only */
114 	V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
115 	V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
116 	V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
117 					 buffer, top-bottom order */
118 	V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
119 	V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
120 					 separate buffers */
121 	V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
122 					 first and the top field is
123 					 transmitted first */
124 	V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
125 					 first and the bottom field is
126 					 transmitted first */
127 };
128 #define V4L2_FIELD_HAS_TOP(field)	\
129 	((field) == V4L2_FIELD_TOP 	||\
130 	 (field) == V4L2_FIELD_INTERLACED ||\
131 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
132 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
133 	 (field) == V4L2_FIELD_SEQ_TB	||\
134 	 (field) == V4L2_FIELD_SEQ_BT)
135 #define V4L2_FIELD_HAS_BOTTOM(field)	\
136 	((field) == V4L2_FIELD_BOTTOM 	||\
137 	 (field) == V4L2_FIELD_INTERLACED ||\
138 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
139 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
140 	 (field) == V4L2_FIELD_SEQ_TB	||\
141 	 (field) == V4L2_FIELD_SEQ_BT)
142 #define V4L2_FIELD_HAS_BOTH(field)	\
143 	((field) == V4L2_FIELD_INTERLACED ||\
144 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
145 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
146 	 (field) == V4L2_FIELD_SEQ_TB ||\
147 	 (field) == V4L2_FIELD_SEQ_BT)
148 
149 enum v4l2_buf_type {
150 	V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
151 	V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
152 	V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
153 	V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
154 	V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
155 	V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
156 	V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
157 #if 1
158 	/* Experimental */
159 	V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
160 #endif
161 	V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
162 	V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
163 	/* Deprecated, do not use */
164 	V4L2_BUF_TYPE_PRIVATE              = 0x80,
165 };
166 
167 #define V4L2_TYPE_IS_MULTIPLANAR(type)			\
168 	((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE	\
169 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
170 
171 #define V4L2_TYPE_IS_OUTPUT(type)				\
172 	((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT			\
173 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE		\
174 	 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY		\
175 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY	\
176 	 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT			\
177 	 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
178 
179 enum v4l2_tuner_type {
180 	V4L2_TUNER_RADIO	     = 1,
181 	V4L2_TUNER_ANALOG_TV	     = 2,
182 	V4L2_TUNER_DIGITAL_TV	     = 3,
183 };
184 
185 enum v4l2_memory {
186 	V4L2_MEMORY_MMAP             = 1,
187 	V4L2_MEMORY_USERPTR          = 2,
188 	V4L2_MEMORY_OVERLAY          = 3,
189 	V4L2_MEMORY_DMABUF           = 4,
190 };
191 
192 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
193 enum v4l2_colorspace {
194 	/* ITU-R 601 -- broadcast NTSC/PAL */
195 	V4L2_COLORSPACE_SMPTE170M     = 1,
196 
197 	/* 1125-Line (US) HDTV */
198 	V4L2_COLORSPACE_SMPTE240M     = 2,
199 
200 	/* HD and modern captures. */
201 	V4L2_COLORSPACE_REC709        = 3,
202 
203 	/* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
204 	V4L2_COLORSPACE_BT878         = 4,
205 
206 	/* These should be useful.  Assume 601 extents. */
207 	V4L2_COLORSPACE_470_SYSTEM_M  = 5,
208 	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
209 
210 	/* I know there will be cameras that send this.  So, this is
211 	 * unspecified chromaticities and full 0-255 on each of the
212 	 * Y'CbCr components
213 	 */
214 	V4L2_COLORSPACE_JPEG          = 7,
215 
216 	/* For RGB colourspaces, this is probably a good start. */
217 	V4L2_COLORSPACE_SRGB          = 8,
218 };
219 
220 enum v4l2_priority {
221 	V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
222 	V4L2_PRIORITY_BACKGROUND  = 1,
223 	V4L2_PRIORITY_INTERACTIVE = 2,
224 	V4L2_PRIORITY_RECORD      = 3,
225 	V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
226 };
227 
228 struct v4l2_rect {
229 	__s32   left;
230 	__s32   top;
231 	__s32   width;
232 	__s32   height;
233 };
234 
235 struct v4l2_fract {
236 	__u32   numerator;
237 	__u32   denominator;
238 };
239 
240 /**
241   * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
242   *
243   * @driver:	   name of the driver module (e.g. "bttv")
244   * @card:	   name of the card (e.g. "Hauppauge WinTV")
245   * @bus_info:	   name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
246   * @version:	   KERNEL_VERSION
247   * @capabilities: capabilities of the physical device as a whole
248   * @device_caps:  capabilities accessed via this particular device (node)
249   * @reserved:	   reserved fields for future extensions
250   */
251 struct v4l2_capability {
252 	__u8	driver[16];
253 	__u8	card[32];
254 	__u8	bus_info[32];
255 	__u32   version;
256 	__u32	capabilities;
257 	__u32	device_caps;
258 	__u32	reserved[3];
259 };
260 
261 /* Values for 'capabilities' field */
262 #define V4L2_CAP_VIDEO_CAPTURE		0x00000001  /* Is a video capture device */
263 #define V4L2_CAP_VIDEO_OUTPUT		0x00000002  /* Is a video output device */
264 #define V4L2_CAP_VIDEO_OVERLAY		0x00000004  /* Can do video overlay */
265 #define V4L2_CAP_VBI_CAPTURE		0x00000010  /* Is a raw VBI capture device */
266 #define V4L2_CAP_VBI_OUTPUT		0x00000020  /* Is a raw VBI output device */
267 #define V4L2_CAP_SLICED_VBI_CAPTURE	0x00000040  /* Is a sliced VBI capture device */
268 #define V4L2_CAP_SLICED_VBI_OUTPUT	0x00000080  /* Is a sliced VBI output device */
269 #define V4L2_CAP_RDS_CAPTURE		0x00000100  /* RDS data capture */
270 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY	0x00000200  /* Can do video output overlay */
271 #define V4L2_CAP_HW_FREQ_SEEK		0x00000400  /* Can do hardware frequency seek  */
272 #define V4L2_CAP_RDS_OUTPUT		0x00000800  /* Is an RDS encoder */
273 
274 /* Is a video capture device that supports multiplanar formats */
275 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE	0x00001000
276 /* Is a video output device that supports multiplanar formats */
277 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE	0x00002000
278 /* Is a video mem-to-mem device that supports multiplanar formats */
279 #define V4L2_CAP_VIDEO_M2M_MPLANE	0x00004000
280 /* Is a video mem-to-mem device */
281 #define V4L2_CAP_VIDEO_M2M		0x00008000
282 
283 #define V4L2_CAP_TUNER			0x00010000  /* has a tuner */
284 #define V4L2_CAP_AUDIO			0x00020000  /* has audio support */
285 #define V4L2_CAP_RADIO			0x00040000  /* is a radio device */
286 #define V4L2_CAP_MODULATOR		0x00080000  /* has a modulator */
287 
288 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
289 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
290 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
291 
292 #define V4L2_CAP_DEVICE_CAPS            0x80000000  /* sets device capabilities field */
293 
294 /*
295  *	V I D E O   I M A G E   F O R M A T
296  */
297 struct v4l2_pix_format {
298 	__u32         		width;
299 	__u32			height;
300 	__u32			pixelformat;
301 	__u32			field;		/* enum v4l2_field */
302 	__u32            	bytesperline;	/* for padding, zero if unused */
303 	__u32          		sizeimage;
304 	__u32			colorspace;	/* enum v4l2_colorspace */
305 	__u32			priv;		/* private data, depends on pixelformat */
306 };
307 
308 /*      Pixel format         FOURCC                          depth  Description  */
309 
310 /* RGB formats */
311 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
312 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
313 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
314 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
315 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
316 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
317 #define V4L2_PIX_FMT_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6	  */
318 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
319 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
320 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
321 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
322 
323 /* Grey formats */
324 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
325 #define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
326 #define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
327 #define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
328 #define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
329 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
330 
331 /* Grey bit-packed formats */
332 #define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
333 
334 /* Palette formats */
335 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
336 
337 /* Luminance+Chrominance formats */
338 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
339 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
340 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
341 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
342 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
343 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
344 #define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
345 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
346 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16  YVU411 planar */
347 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
348 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
349 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
350 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
351 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
352 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
353 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
354 #define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
355 #define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
356 #define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
357 
358 /* two planes -- one Y, one Cr + Cb interleaved  */
359 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
360 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
361 #define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
362 #define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
363 #define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
364 #define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */
365 
366 /* two non contiguous planes - one Y, one Cr + Cb interleaved  */
367 #define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
368 #define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
369 #define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */
370 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 macroblocks */
371 
372 /* three non contiguous planes - Y, Cb, Cr */
373 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
374 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */
375 
376 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
377 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
378 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
379 #define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
380 #define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
381 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
382 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
383 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
384 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
385 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
386 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
387 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
388 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
389 	/* 10bit raw bayer DPCM compressed to 8 bits */
390 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
391 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
392 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
393 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
394 	/*
395 	 * 10bit raw bayer, expanded to 16 bits
396 	 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
397 	 */
398 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
399 
400 /* compressed formats */
401 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
402 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
403 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
404 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
405 #define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
406 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
407 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
408 #define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
409 #define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
410 #define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
411 #define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 ES     */
412 #define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
413 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
414 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
415 #define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
416 
417 /*  Vendor-specific formats   */
418 #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
419 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
420 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
421 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
422 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
423 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
424 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
425 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
426 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
427 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
428 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
429 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
430 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
431 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
432 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
433 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
434 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
435 #define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
436 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
437 #define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
438 #define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
439 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
440 #define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
441 #define V4L2_PIX_FMT_JPGL	v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
442 #define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
443 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
444 
445 /*
446  *	F O R M A T   E N U M E R A T I O N
447  */
448 struct v4l2_fmtdesc {
449 	__u32		    index;             /* Format number      */
450 	__u32		    type;              /* enum v4l2_buf_type */
451 	__u32               flags;
452 	__u8		    description[32];   /* Description string */
453 	__u32		    pixelformat;       /* Format fourcc      */
454 	__u32		    reserved[4];
455 };
456 
457 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
458 #define V4L2_FMT_FLAG_EMULATED   0x0002
459 
460 #if 1
461 	/* Experimental Frame Size and frame rate enumeration */
462 /*
463  *	F R A M E   S I Z E   E N U M E R A T I O N
464  */
465 enum v4l2_frmsizetypes {
466 	V4L2_FRMSIZE_TYPE_DISCRETE	= 1,
467 	V4L2_FRMSIZE_TYPE_CONTINUOUS	= 2,
468 	V4L2_FRMSIZE_TYPE_STEPWISE	= 3,
469 };
470 
471 struct v4l2_frmsize_discrete {
472 	__u32			width;		/* Frame width [pixel] */
473 	__u32			height;		/* Frame height [pixel] */
474 };
475 
476 struct v4l2_frmsize_stepwise {
477 	__u32			min_width;	/* Minimum frame width [pixel] */
478 	__u32			max_width;	/* Maximum frame width [pixel] */
479 	__u32			step_width;	/* Frame width step size [pixel] */
480 	__u32			min_height;	/* Minimum frame height [pixel] */
481 	__u32			max_height;	/* Maximum frame height [pixel] */
482 	__u32			step_height;	/* Frame height step size [pixel] */
483 };
484 
485 struct v4l2_frmsizeenum {
486 	__u32			index;		/* Frame size number */
487 	__u32			pixel_format;	/* Pixel format */
488 	__u32			type;		/* Frame size type the device supports. */
489 
490 	union {					/* Frame size */
491 		struct v4l2_frmsize_discrete	discrete;
492 		struct v4l2_frmsize_stepwise	stepwise;
493 	};
494 
495 	__u32   reserved[2];			/* Reserved space for future use */
496 };
497 
498 /*
499  *	F R A M E   R A T E   E N U M E R A T I O N
500  */
501 enum v4l2_frmivaltypes {
502 	V4L2_FRMIVAL_TYPE_DISCRETE	= 1,
503 	V4L2_FRMIVAL_TYPE_CONTINUOUS	= 2,
504 	V4L2_FRMIVAL_TYPE_STEPWISE	= 3,
505 };
506 
507 struct v4l2_frmival_stepwise {
508 	struct v4l2_fract	min;		/* Minimum frame interval [s] */
509 	struct v4l2_fract	max;		/* Maximum frame interval [s] */
510 	struct v4l2_fract	step;		/* Frame interval step size [s] */
511 };
512 
513 struct v4l2_frmivalenum {
514 	__u32			index;		/* Frame format index */
515 	__u32			pixel_format;	/* Pixel format */
516 	__u32			width;		/* Frame width */
517 	__u32			height;		/* Frame height */
518 	__u32			type;		/* Frame interval type the device supports. */
519 
520 	union {					/* Frame interval */
521 		struct v4l2_fract		discrete;
522 		struct v4l2_frmival_stepwise	stepwise;
523 	};
524 
525 	__u32	reserved[2];			/* Reserved space for future use */
526 };
527 #endif
528 
529 /*
530  *	T I M E C O D E
531  */
532 struct v4l2_timecode {
533 	__u32	type;
534 	__u32	flags;
535 	__u8	frames;
536 	__u8	seconds;
537 	__u8	minutes;
538 	__u8	hours;
539 	__u8	userbits[4];
540 };
541 
542 /*  Type  */
543 #define V4L2_TC_TYPE_24FPS		1
544 #define V4L2_TC_TYPE_25FPS		2
545 #define V4L2_TC_TYPE_30FPS		3
546 #define V4L2_TC_TYPE_50FPS		4
547 #define V4L2_TC_TYPE_60FPS		5
548 
549 /*  Flags  */
550 #define V4L2_TC_FLAG_DROPFRAME		0x0001 /* "drop-frame" mode */
551 #define V4L2_TC_FLAG_COLORFRAME		0x0002
552 #define V4L2_TC_USERBITS_field		0x000C
553 #define V4L2_TC_USERBITS_USERDEFINED	0x0000
554 #define V4L2_TC_USERBITS_8BITCHARS	0x0008
555 /* The above is based on SMPTE timecodes */
556 
557 struct v4l2_jpegcompression {
558 	int quality;
559 
560 	int  APPn;              /* Number of APP segment to be written,
561 				 * must be 0..15 */
562 	int  APP_len;           /* Length of data in JPEG APPn segment */
563 	char APP_data[60];      /* Data in the JPEG APPn segment. */
564 
565 	int  COM_len;           /* Length of data in JPEG COM segment */
566 	char COM_data[60];      /* Data in JPEG COM segment */
567 
568 	__u32 jpeg_markers;     /* Which markers should go into the JPEG
569 				 * output. Unless you exactly know what
570 				 * you do, leave them untouched.
571 				 * Inluding less markers will make the
572 				 * resulting code smaller, but there will
573 				 * be fewer applications which can read it.
574 				 * The presence of the APP and COM marker
575 				 * is influenced by APP_len and COM_len
576 				 * ONLY, not by this property! */
577 
578 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
579 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
580 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
581 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
582 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
583 					* allways use APP0 */
584 };
585 
586 /*
587  *	M E M O R Y - M A P P I N G   B U F F E R S
588  */
589 struct v4l2_requestbuffers {
590 	__u32			count;
591 	__u32			type;		/* enum v4l2_buf_type */
592 	__u32			memory;		/* enum v4l2_memory */
593 	__u32			reserved[2];
594 };
595 
596 /**
597  * struct v4l2_plane - plane info for multi-planar buffers
598  * @bytesused:		number of bytes occupied by data in the plane (payload)
599  * @length:		size of this plane (NOT the payload) in bytes
600  * @mem_offset:		when memory in the associated struct v4l2_buffer is
601  *			V4L2_MEMORY_MMAP, equals the offset from the start of
602  *			the device memory for this plane (or is a "cookie" that
603  *			should be passed to mmap() called on the video node)
604  * @userptr:		when memory is V4L2_MEMORY_USERPTR, a userspace pointer
605  *			pointing to this plane
606  * @fd:			when memory is V4L2_MEMORY_DMABUF, a userspace file
607  *			descriptor associated with this plane
608  * @data_offset:	offset in the plane to the start of data; usually 0,
609  *			unless there is a header in front of the data
610  *
611  * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
612  * with two planes can have one plane for Y, and another for interleaved CbCr
613  * components. Each plane can reside in a separate memory buffer, or even in
614  * a completely separate memory node (e.g. in embedded devices).
615  */
616 struct v4l2_plane {
617 	__u32			bytesused;
618 	__u32			length;
619 	union {
620 		__u32		mem_offset;
621 		unsigned long	userptr;
622 		__s32		fd;
623 	} m;
624 	__u32			data_offset;
625 	__u32			reserved[11];
626 };
627 
628 /**
629  * struct v4l2_buffer - video buffer info
630  * @index:	id number of the buffer
631  * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
632  *		multiplanar buffers);
633  * @bytesused:	number of bytes occupied by data in the buffer (payload);
634  *		unused (set to 0) for multiplanar buffers
635  * @flags:	buffer informational flags
636  * @field:	enum v4l2_field; field order of the image in the buffer
637  * @timestamp:	frame timestamp
638  * @timecode:	frame timecode
639  * @sequence:	sequence count of this frame
640  * @memory:	enum v4l2_memory; the method, in which the actual video data is
641  *		passed
642  * @offset:	for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
643  *		offset from the start of the device memory for this plane,
644  *		(or a "cookie" that should be passed to mmap() as offset)
645  * @userptr:	for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
646  *		a userspace pointer pointing to this buffer
647  * @fd:		for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
648  *		a userspace file descriptor associated with this buffer
649  * @planes:	for multiplanar buffers; userspace pointer to the array of plane
650  *		info structs for this buffer
651  * @length:	size in bytes of the buffer (NOT its payload) for single-plane
652  *		buffers (when type != *_MPLANE); number of elements in the
653  *		planes array for multi-plane buffers
654  * @input:	input number from which the video data has has been captured
655  *
656  * Contains data exchanged by application and driver using one of the Streaming
657  * I/O methods.
658  */
659 struct v4l2_buffer {
660 	__u32			index;
661 	__u32			type;
662 	__u32			bytesused;
663 	__u32			flags;
664 	__u32			field;
665 	struct timeval		timestamp;
666 	struct v4l2_timecode	timecode;
667 	__u32			sequence;
668 
669 	/* memory location */
670 	__u32			memory;
671 	union {
672 		__u32           offset;
673 		unsigned long   userptr;
674 		struct v4l2_plane *planes;
675 		__s32		fd;
676 	} m;
677 	__u32			length;
678 	__u32			reserved2;
679 	__u32			reserved;
680 };
681 
682 /*  Flags for 'flags' field */
683 #define V4L2_BUF_FLAG_MAPPED	0x0001  /* Buffer is mapped (flag) */
684 #define V4L2_BUF_FLAG_QUEUED	0x0002	/* Buffer is queued for processing */
685 #define V4L2_BUF_FLAG_DONE	0x0004	/* Buffer is ready */
686 #define V4L2_BUF_FLAG_KEYFRAME	0x0008	/* Image is a keyframe (I-frame) */
687 #define V4L2_BUF_FLAG_PFRAME	0x0010	/* Image is a P-frame */
688 #define V4L2_BUF_FLAG_BFRAME	0x0020	/* Image is a B-frame */
689 /* Buffer is ready, but the data contained within is corrupted. */
690 #define V4L2_BUF_FLAG_ERROR	0x0040
691 #define V4L2_BUF_FLAG_TIMECODE	0x0100	/* timecode field is valid */
692 #define V4L2_BUF_FLAG_PREPARED	0x0400	/* Buffer is prepared for queuing */
693 /* Cache handling flags */
694 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE	0x0800
695 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN		0x1000
696 
697 /**
698  * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
699  *
700  * @index:	id number of the buffer
701  * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
702  *		multiplanar buffers);
703  * @plane:	index of the plane to be exported, 0 for single plane queues
704  * @flags:	flags for newly created file, currently only O_CLOEXEC is
705  *		supported, refer to manual of open syscall for more details
706  * @fd:		file descriptor associated with DMABUF (set by driver)
707  *
708  * Contains data used for exporting a video buffer as DMABUF file descriptor.
709  * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
710  * (identical to the cookie used to mmap() the buffer to userspace). All
711  * reserved fields must be set to zero. The field reserved0 is expected to
712  * become a structure 'type' allowing an alternative layout of the structure
713  * content. Therefore this field should not be used for any other extensions.
714  */
715 struct v4l2_exportbuffer {
716 	__u32		type; /* enum v4l2_buf_type */
717 	__u32		index;
718 	__u32		plane;
719 	__u32		flags;
720 	__s32		fd;
721 	__u32		reserved[11];
722 };
723 
724 /*
725  *	O V E R L A Y   P R E V I E W
726  */
727 struct v4l2_framebuffer {
728 	__u32			capability;
729 	__u32			flags;
730 /* FIXME: in theory we should pass something like PCI device + memory
731  * region + offset instead of some physical address */
732 	void                    *base;
733 	struct v4l2_pix_format	fmt;
734 };
735 /*  Flags for the 'capability' field. Read only */
736 #define V4L2_FBUF_CAP_EXTERNOVERLAY	0x0001
737 #define V4L2_FBUF_CAP_CHROMAKEY		0x0002
738 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
739 #define V4L2_FBUF_CAP_BITMAP_CLIPPING	0x0008
740 #define V4L2_FBUF_CAP_LOCAL_ALPHA	0x0010
741 #define V4L2_FBUF_CAP_GLOBAL_ALPHA	0x0020
742 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA	0x0040
743 #define V4L2_FBUF_CAP_SRC_CHROMAKEY	0x0080
744 /*  Flags for the 'flags' field. */
745 #define V4L2_FBUF_FLAG_PRIMARY		0x0001
746 #define V4L2_FBUF_FLAG_OVERLAY		0x0002
747 #define V4L2_FBUF_FLAG_CHROMAKEY	0x0004
748 #define V4L2_FBUF_FLAG_LOCAL_ALPHA	0x0008
749 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA	0x0010
750 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA	0x0020
751 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY	0x0040
752 
753 struct v4l2_clip {
754 	struct v4l2_rect        c;
755 	struct v4l2_clip	__user *next;
756 };
757 
758 struct v4l2_window {
759 	struct v4l2_rect        w;
760 	__u32			field;	 /* enum v4l2_field */
761 	__u32			chromakey;
762 	struct v4l2_clip	__user *clips;
763 	__u32			clipcount;
764 	void			__user *bitmap;
765 	__u8                    global_alpha;
766 };
767 
768 /*
769  *	C A P T U R E   P A R A M E T E R S
770  */
771 struct v4l2_captureparm {
772 	__u32		   capability;	  /*  Supported modes */
773 	__u32		   capturemode;	  /*  Current mode */
774 	struct v4l2_fract  timeperframe;  /*  Time per frame in seconds */
775 	__u32		   extendedmode;  /*  Driver-specific extensions */
776 	__u32              readbuffers;   /*  # of buffers for read */
777 	__u32		   reserved[4];
778 };
779 
780 /*  Flags for 'capability' and 'capturemode' fields */
781 #define V4L2_MODE_HIGHQUALITY	0x0001	/*  High quality imaging mode */
782 #define V4L2_CAP_TIMEPERFRAME	0x1000	/*  timeperframe field is supported */
783 
784 struct v4l2_outputparm {
785 	__u32		   capability;	 /*  Supported modes */
786 	__u32		   outputmode;	 /*  Current mode */
787 	struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
788 	__u32		   extendedmode; /*  Driver-specific extensions */
789 	__u32              writebuffers; /*  # of buffers for write */
790 	__u32		   reserved[4];
791 };
792 
793 /*
794  *	I N P U T   I M A G E   C R O P P I N G
795  */
796 struct v4l2_cropcap {
797 	__u32			type;	/* enum v4l2_buf_type */
798 	struct v4l2_rect        bounds;
799 	struct v4l2_rect        defrect;
800 	struct v4l2_fract       pixelaspect;
801 };
802 
803 struct v4l2_crop {
804 	__u32			type;	/* enum v4l2_buf_type */
805 	struct v4l2_rect        c;
806 };
807 
808 /**
809  * struct v4l2_selection - selection info
810  * @type:	buffer type (do not use *_MPLANE types)
811  * @target:	Selection target, used to choose one of possible rectangles;
812  *		defined in v4l2-common.h; V4L2_SEL_TGT_* .
813  * @flags:	constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
814  * @r:		coordinates of selection window
815  * @reserved:	for future use, rounds structure size to 64 bytes, set to zero
816  *
817  * Hardware may use multiple helper windows to process a video stream.
818  * The structure is used to exchange this selection areas between
819  * an application and a driver.
820  */
821 struct v4l2_selection {
822 	__u32			type;
823 	__u32			target;
824 	__u32                   flags;
825 	struct v4l2_rect        r;
826 	__u32                   reserved[9];
827 };
828 
829 
830 /*
831  *      A N A L O G   V I D E O   S T A N D A R D
832  */
833 
834 typedef __u64 v4l2_std_id;
835 
836 /* one bit for each */
837 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
838 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
839 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
840 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
841 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
842 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
843 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
844 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
845 
846 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
847 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
848 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
849 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
850 
851 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)	/* BTSC */
852 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)	/* EIA-J */
853 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
854 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)	/* FM A2 */
855 
856 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
857 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
858 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
859 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
860 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
861 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
862 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
863 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
864 
865 /* ATSC/HDTV */
866 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
867 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
868 
869 /* FIXME:
870    Although std_id is 64 bits, there is an issue on PPC32 architecture that
871    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
872    this value to 32 bits.
873    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
874    it should work fine. However, if needed to add more than two standards,
875    v4l2-common.c should be fixed.
876  */
877 
878 /*
879  * Some macros to merge video standards in order to make live easier for the
880  * drivers and V4L2 applications
881  */
882 
883 /*
884  * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
885  * Missing here.
886  */
887 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
888 				 V4L2_STD_NTSC_M_JP     |\
889 				 V4L2_STD_NTSC_M_KR)
890 /* Secam macros */
891 #define V4L2_STD_SECAM_DK      	(V4L2_STD_SECAM_D	|\
892 				 V4L2_STD_SECAM_K	|\
893 				 V4L2_STD_SECAM_K1)
894 /* All Secam Standards */
895 #define V4L2_STD_SECAM		(V4L2_STD_SECAM_B	|\
896 				 V4L2_STD_SECAM_G	|\
897 				 V4L2_STD_SECAM_H	|\
898 				 V4L2_STD_SECAM_DK	|\
899 				 V4L2_STD_SECAM_L       |\
900 				 V4L2_STD_SECAM_LC)
901 /* PAL macros */
902 #define V4L2_STD_PAL_BG		(V4L2_STD_PAL_B		|\
903 				 V4L2_STD_PAL_B1	|\
904 				 V4L2_STD_PAL_G)
905 #define V4L2_STD_PAL_DK		(V4L2_STD_PAL_D		|\
906 				 V4L2_STD_PAL_D1	|\
907 				 V4L2_STD_PAL_K)
908 /*
909  * "Common" PAL - This macro is there to be compatible with the old
910  * V4L1 concept of "PAL": /BGDKHI.
911  * Several PAL standards are mising here: /M, /N and /Nc
912  */
913 #define V4L2_STD_PAL		(V4L2_STD_PAL_BG	|\
914 				 V4L2_STD_PAL_DK	|\
915 				 V4L2_STD_PAL_H		|\
916 				 V4L2_STD_PAL_I)
917 /* Chroma "agnostic" standards */
918 #define V4L2_STD_B		(V4L2_STD_PAL_B		|\
919 				 V4L2_STD_PAL_B1	|\
920 				 V4L2_STD_SECAM_B)
921 #define V4L2_STD_G		(V4L2_STD_PAL_G		|\
922 				 V4L2_STD_SECAM_G)
923 #define V4L2_STD_H		(V4L2_STD_PAL_H		|\
924 				 V4L2_STD_SECAM_H)
925 #define V4L2_STD_L		(V4L2_STD_SECAM_L	|\
926 				 V4L2_STD_SECAM_LC)
927 #define V4L2_STD_GH		(V4L2_STD_G		|\
928 				 V4L2_STD_H)
929 #define V4L2_STD_DK		(V4L2_STD_PAL_DK	|\
930 				 V4L2_STD_SECAM_DK)
931 #define V4L2_STD_BG		(V4L2_STD_B		|\
932 				 V4L2_STD_G)
933 #define V4L2_STD_MN		(V4L2_STD_PAL_M		|\
934 				 V4L2_STD_PAL_N		|\
935 				 V4L2_STD_PAL_Nc	|\
936 				 V4L2_STD_NTSC)
937 
938 /* Standards where MTS/BTSC stereo could be found */
939 #define V4L2_STD_MTS		(V4L2_STD_NTSC_M	|\
940 				 V4L2_STD_PAL_M		|\
941 				 V4L2_STD_PAL_N		|\
942 				 V4L2_STD_PAL_Nc)
943 
944 /* Standards for Countries with 60Hz Line frequency */
945 #define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
946 				 V4L2_STD_PAL_60	|\
947 				 V4L2_STD_NTSC		|\
948 				 V4L2_STD_NTSC_443)
949 /* Standards for Countries with 50Hz Line frequency */
950 #define V4L2_STD_625_50		(V4L2_STD_PAL		|\
951 				 V4L2_STD_PAL_N		|\
952 				 V4L2_STD_PAL_Nc	|\
953 				 V4L2_STD_SECAM)
954 
955 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
956 				 V4L2_STD_ATSC_16_VSB)
957 /* Macros with none and all analog standards */
958 #define V4L2_STD_UNKNOWN        0
959 #define V4L2_STD_ALL            (V4L2_STD_525_60	|\
960 				 V4L2_STD_625_50)
961 
962 struct v4l2_standard {
963 	__u32		     index;
964 	v4l2_std_id          id;
965 	__u8		     name[24];
966 	struct v4l2_fract    frameperiod; /* Frames, not fields */
967 	__u32		     framelines;
968 	__u32		     reserved[4];
969 };
970 
971 /* The DV Preset API is deprecated in favor of the DV Timings API.
972    New drivers shouldn't use this anymore! */
973 
974 /*
975  *	V I D E O	T I M I N G S	D V	P R E S E T
976  */
977 struct v4l2_dv_preset {
978 	__u32	preset;
979 	__u32	reserved[4];
980 };
981 
982 /*
983  *	D V	P R E S E T S	E N U M E R A T I O N
984  */
985 struct v4l2_dv_enum_preset {
986 	__u32	index;
987 	__u32	preset;
988 	__u8	name[32]; /* Name of the preset timing */
989 	__u32	width;
990 	__u32	height;
991 	__u32	reserved[4];
992 };
993 
994 /*
995  * 	D V	P R E S E T	V A L U E S
996  */
997 #define		V4L2_DV_INVALID		0
998 #define		V4L2_DV_480P59_94	1 /* BT.1362 */
999 #define		V4L2_DV_576P50		2 /* BT.1362 */
1000 #define		V4L2_DV_720P24		3 /* SMPTE 296M */
1001 #define		V4L2_DV_720P25		4 /* SMPTE 296M */
1002 #define		V4L2_DV_720P30		5 /* SMPTE 296M */
1003 #define		V4L2_DV_720P50		6 /* SMPTE 296M */
1004 #define		V4L2_DV_720P59_94	7 /* SMPTE 274M */
1005 #define		V4L2_DV_720P60		8 /* SMPTE 274M/296M */
1006 #define		V4L2_DV_1080I29_97	9 /* BT.1120/ SMPTE 274M */
1007 #define		V4L2_DV_1080I30		10 /* BT.1120/ SMPTE 274M */
1008 #define		V4L2_DV_1080I25		11 /* BT.1120 */
1009 #define		V4L2_DV_1080I50		12 /* SMPTE 296M */
1010 #define		V4L2_DV_1080I60		13 /* SMPTE 296M */
1011 #define		V4L2_DV_1080P24		14 /* SMPTE 296M */
1012 #define		V4L2_DV_1080P25		15 /* SMPTE 296M */
1013 #define		V4L2_DV_1080P30		16 /* SMPTE 296M */
1014 #define		V4L2_DV_1080P50		17 /* BT.1120 */
1015 #define		V4L2_DV_1080P60		18 /* BT.1120 */
1016 
1017 /*
1018  *	D V 	B T	T I M I N G S
1019  */
1020 
1021 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1022  * @width:	total width of the active video in pixels
1023  * @height:	total height of the active video in lines
1024  * @interlaced:	Interlaced or progressive
1025  * @polarities:	Positive or negative polarities
1026  * @pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1027  * @hfrontporch:Horizontal front porch in pixels
1028  * @hsync:	Horizontal Sync length in pixels
1029  * @hbackporch:	Horizontal back porch in pixels
1030  * @vfrontporch:Vertical front porch in lines
1031  * @vsync:	Vertical Sync length in lines
1032  * @vbackporch:	Vertical back porch in lines
1033  * @il_vfrontporch:Vertical front porch for the even field
1034  *		(aka field 2) of interlaced field formats
1035  * @il_vsync:	Vertical Sync length for the even field
1036  *		(aka field 2) of interlaced field formats
1037  * @il_vbackporch:Vertical back porch for the even field
1038  *		(aka field 2) of interlaced field formats
1039  * @standards:	Standards the timing belongs to
1040  * @flags:	Flags
1041  * @reserved:	Reserved fields, must be zeroed.
1042  *
1043  * A note regarding vertical interlaced timings: height refers to the total
1044  * height of the active video frame (= two fields). The blanking timings refer
1045  * to the blanking of each field. So the height of the total frame is
1046  * calculated as follows:
1047  *
1048  * tot_height = height + vfrontporch + vsync + vbackporch +
1049  *                       il_vfrontporch + il_vsync + il_vbackporch
1050  *
1051  * The active height of each field is height / 2.
1052  */
1053 struct v4l2_bt_timings {
1054 	__u32	width;
1055 	__u32	height;
1056 	__u32	interlaced;
1057 	__u32	polarities;
1058 	__u64	pixelclock;
1059 	__u32	hfrontporch;
1060 	__u32	hsync;
1061 	__u32	hbackporch;
1062 	__u32	vfrontporch;
1063 	__u32	vsync;
1064 	__u32	vbackporch;
1065 	__u32	il_vfrontporch;
1066 	__u32	il_vsync;
1067 	__u32	il_vbackporch;
1068 	__u32	standards;
1069 	__u32	flags;
1070 	__u32	reserved[14];
1071 } __attribute__ ((packed));
1072 
1073 /* Interlaced or progressive format */
1074 #define	V4L2_DV_PROGRESSIVE	0
1075 #define	V4L2_DV_INTERLACED	1
1076 
1077 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1078 #define V4L2_DV_VSYNC_POS_POL	0x00000001
1079 #define V4L2_DV_HSYNC_POS_POL	0x00000002
1080 
1081 /* Timings standards */
1082 #define V4L2_DV_BT_STD_CEA861	(1 << 0)  /* CEA-861 Digital TV Profile */
1083 #define V4L2_DV_BT_STD_DMT	(1 << 1)  /* VESA Discrete Monitor Timings */
1084 #define V4L2_DV_BT_STD_CVT	(1 << 2)  /* VESA Coordinated Video Timings */
1085 #define V4L2_DV_BT_STD_GTF	(1 << 3)  /* VESA Generalized Timings Formula */
1086 
1087 /* Flags */
1088 
1089 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1090    GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1091    intervals are reduced, allowing a higher resolution over the same
1092    bandwidth. This is a read-only flag. */
1093 #define V4L2_DV_FL_REDUCED_BLANKING		(1 << 0)
1094 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1095    of six. These formats can be optionally played at 1 / 1.001 speed.
1096    This is a read-only flag. */
1097 #define V4L2_DV_FL_CAN_REDUCE_FPS		(1 << 1)
1098 /* CEA-861 specific: only valid for video transmitters, the flag is cleared
1099    by receivers.
1100    If the framerate of the format is a multiple of six, then the pixelclock
1101    used to set up the transmitter is divided by 1.001 to make it compatible
1102    with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1103    29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1104    such frequencies, then the flag will also be cleared. */
1105 #define V4L2_DV_FL_REDUCED_FPS			(1 << 2)
1106 /* Specific to interlaced formats: if set, then field 1 is really one half-line
1107    longer and field 2 is really one half-line shorter, so each field has
1108    exactly the same number of half-lines. Whether half-lines can be detected
1109    or used depends on the hardware. */
1110 #define V4L2_DV_FL_HALF_LINE			(1 << 0)
1111 
1112 
1113 /** struct v4l2_dv_timings - DV timings
1114  * @type:	the type of the timings
1115  * @bt:	BT656/1120 timings
1116  */
1117 struct v4l2_dv_timings {
1118 	__u32 type;
1119 	union {
1120 		struct v4l2_bt_timings	bt;
1121 		__u32	reserved[32];
1122 	};
1123 } __attribute__ ((packed));
1124 
1125 /* Values for the type field */
1126 #define V4L2_DV_BT_656_1120	0	/* BT.656/1120 timing type */
1127 
1128 
1129 /** struct v4l2_enum_dv_timings - DV timings enumeration
1130  * @index:	enumeration index
1131  * @reserved:	must be zeroed
1132  * @timings:	the timings for the given index
1133  */
1134 struct v4l2_enum_dv_timings {
1135 	__u32 index;
1136 	__u32 reserved[3];
1137 	struct v4l2_dv_timings timings;
1138 };
1139 
1140 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1141  * @min_width:		width in pixels
1142  * @max_width:		width in pixels
1143  * @min_height:		height in lines
1144  * @max_height:		height in lines
1145  * @min_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1146  * @max_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
1147  * @standards:		Supported standards
1148  * @capabilities:	Supported capabilities
1149  * @reserved:		Must be zeroed
1150  */
1151 struct v4l2_bt_timings_cap {
1152 	__u32	min_width;
1153 	__u32	max_width;
1154 	__u32	min_height;
1155 	__u32	max_height;
1156 	__u64	min_pixelclock;
1157 	__u64	max_pixelclock;
1158 	__u32	standards;
1159 	__u32	capabilities;
1160 	__u32	reserved[16];
1161 } __attribute__ ((packed));
1162 
1163 /* Supports interlaced formats */
1164 #define V4L2_DV_BT_CAP_INTERLACED	(1 << 0)
1165 /* Supports progressive formats */
1166 #define V4L2_DV_BT_CAP_PROGRESSIVE	(1 << 1)
1167 /* Supports CVT/GTF reduced blanking */
1168 #define V4L2_DV_BT_CAP_REDUCED_BLANKING	(1 << 2)
1169 /* Supports custom formats */
1170 #define V4L2_DV_BT_CAP_CUSTOM		(1 << 3)
1171 
1172 /** struct v4l2_dv_timings_cap - DV timings capabilities
1173  * @type:	the type of the timings (same as in struct v4l2_dv_timings)
1174  * @bt:		the BT656/1120 timings capabilities
1175  */
1176 struct v4l2_dv_timings_cap {
1177 	__u32 type;
1178 	__u32 reserved[3];
1179 	union {
1180 		struct v4l2_bt_timings_cap bt;
1181 		__u32 raw_data[32];
1182 	};
1183 };
1184 
1185 
1186 /*
1187  *	V I D E O   I N P U T S
1188  */
1189 struct v4l2_input {
1190 	__u32	     index;		/*  Which input */
1191 	__u8	     name[32];		/*  Label */
1192 	__u32	     type;		/*  Type of input */
1193 	__u32	     audioset;		/*  Associated audios (bitfield) */
1194 	__u32        tuner;             /*  enum v4l2_tuner_type */
1195 	v4l2_std_id  std;
1196 	__u32	     status;
1197 	__u32	     capabilities;
1198 	__u32	     reserved[3];
1199 };
1200 
1201 /*  Values for the 'type' field */
1202 #define V4L2_INPUT_TYPE_TUNER		1
1203 #define V4L2_INPUT_TYPE_CAMERA		2
1204 
1205 /* field 'status' - general */
1206 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
1207 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
1208 #define V4L2_IN_ST_NO_COLOR    0x00000004
1209 
1210 /* field 'status' - sensor orientation */
1211 /* If sensor is mounted upside down set both bits */
1212 #define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
1213 #define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
1214 
1215 /* field 'status' - analog */
1216 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
1217 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
1218 
1219 /* field 'status' - digital */
1220 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
1221 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
1222 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
1223 
1224 /* field 'status' - VCR and set-top box */
1225 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
1226 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
1227 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
1228 
1229 /* capabilities flags */
1230 #define V4L2_IN_CAP_PRESETS		0x00000001 /* Supports S_DV_PRESET */
1231 #define V4L2_IN_CAP_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
1232 #define V4L2_IN_CAP_CUSTOM_TIMINGS	V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1233 #define V4L2_IN_CAP_STD			0x00000004 /* Supports S_STD */
1234 
1235 /*
1236  *	V I D E O   O U T P U T S
1237  */
1238 struct v4l2_output {
1239 	__u32	     index;		/*  Which output */
1240 	__u8	     name[32];		/*  Label */
1241 	__u32	     type;		/*  Type of output */
1242 	__u32	     audioset;		/*  Associated audios (bitfield) */
1243 	__u32	     modulator;         /*  Associated modulator */
1244 	v4l2_std_id  std;
1245 	__u32	     capabilities;
1246 	__u32	     reserved[3];
1247 };
1248 /*  Values for the 'type' field */
1249 #define V4L2_OUTPUT_TYPE_MODULATOR		1
1250 #define V4L2_OUTPUT_TYPE_ANALOG			2
1251 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY	3
1252 
1253 /* capabilities flags */
1254 #define V4L2_OUT_CAP_PRESETS		0x00000001 /* Supports S_DV_PRESET */
1255 #define V4L2_OUT_CAP_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
1256 #define V4L2_OUT_CAP_CUSTOM_TIMINGS	V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1257 #define V4L2_OUT_CAP_STD		0x00000004 /* Supports S_STD */
1258 
1259 /*
1260  *	C O N T R O L S
1261  */
1262 struct v4l2_control {
1263 	__u32		     id;
1264 	__s32		     value;
1265 };
1266 
1267 struct v4l2_ext_control {
1268 	__u32 id;
1269 	__u32 size;
1270 	__u32 reserved2[1];
1271 	union {
1272 		__s32 value;
1273 		__s64 value64;
1274 		char *string;
1275 	};
1276 } __attribute__ ((packed));
1277 
1278 struct v4l2_ext_controls {
1279 	__u32 ctrl_class;
1280 	__u32 count;
1281 	__u32 error_idx;
1282 	__u32 reserved[2];
1283 	struct v4l2_ext_control *controls;
1284 };
1285 
1286 #define V4L2_CTRL_ID_MASK      	  (0x0fffffff)
1287 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
1288 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1289 
1290 enum v4l2_ctrl_type {
1291 	V4L2_CTRL_TYPE_INTEGER	     = 1,
1292 	V4L2_CTRL_TYPE_BOOLEAN	     = 2,
1293 	V4L2_CTRL_TYPE_MENU	     = 3,
1294 	V4L2_CTRL_TYPE_BUTTON	     = 4,
1295 	V4L2_CTRL_TYPE_INTEGER64     = 5,
1296 	V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
1297 	V4L2_CTRL_TYPE_STRING        = 7,
1298 	V4L2_CTRL_TYPE_BITMASK       = 8,
1299 	V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1300 };
1301 
1302 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1303 struct v4l2_queryctrl {
1304 	__u32		     id;
1305 	__u32		     type;	/* enum v4l2_ctrl_type */
1306 	__u8		     name[32];	/* Whatever */
1307 	__s32		     minimum;	/* Note signedness */
1308 	__s32		     maximum;
1309 	__s32		     step;
1310 	__s32		     default_value;
1311 	__u32                flags;
1312 	__u32		     reserved[2];
1313 };
1314 
1315 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1316 struct v4l2_querymenu {
1317 	__u32		id;
1318 	__u32		index;
1319 	union {
1320 		__u8	name[32];	/* Whatever */
1321 		__s64	value;
1322 	};
1323 	__u32		reserved;
1324 } __attribute__ ((packed));
1325 
1326 /*  Control flags  */
1327 #define V4L2_CTRL_FLAG_DISABLED		0x0001
1328 #define V4L2_CTRL_FLAG_GRABBED		0x0002
1329 #define V4L2_CTRL_FLAG_READ_ONLY 	0x0004
1330 #define V4L2_CTRL_FLAG_UPDATE 		0x0008
1331 #define V4L2_CTRL_FLAG_INACTIVE 	0x0010
1332 #define V4L2_CTRL_FLAG_SLIDER 		0x0020
1333 #define V4L2_CTRL_FLAG_WRITE_ONLY 	0x0040
1334 #define V4L2_CTRL_FLAG_VOLATILE		0x0080
1335 
1336 /*  Query flag, to be ORed with the control ID */
1337 #define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
1338 
1339 /*  User-class control IDs defined by V4L2 */
1340 #define V4L2_CID_MAX_CTRLS		1024
1341 /*  IDs reserved for driver specific controls */
1342 #define V4L2_CID_PRIVATE_BASE		0x08000000
1343 
1344 
1345 /*  DV-class control IDs defined by V4L2 */
1346 #define V4L2_CID_DV_CLASS_BASE			(V4L2_CTRL_CLASS_DV | 0x900)
1347 #define V4L2_CID_DV_CLASS			(V4L2_CTRL_CLASS_DV | 1)
1348 
1349 #define	V4L2_CID_DV_TX_HOTPLUG			(V4L2_CID_DV_CLASS_BASE + 1)
1350 #define	V4L2_CID_DV_TX_RXSENSE			(V4L2_CID_DV_CLASS_BASE + 2)
1351 #define	V4L2_CID_DV_TX_EDID_PRESENT		(V4L2_CID_DV_CLASS_BASE + 3)
1352 #define	V4L2_CID_DV_TX_MODE			(V4L2_CID_DV_CLASS_BASE + 4)
1353 enum v4l2_dv_tx_mode {
1354 	V4L2_DV_TX_MODE_DVI_D	= 0,
1355 	V4L2_DV_TX_MODE_HDMI	= 1,
1356 };
1357 #define V4L2_CID_DV_TX_RGB_RANGE		(V4L2_CID_DV_CLASS_BASE + 5)
1358 enum v4l2_dv_rgb_range {
1359 	V4L2_DV_RGB_RANGE_AUTO	  = 0,
1360 	V4L2_DV_RGB_RANGE_LIMITED = 1,
1361 	V4L2_DV_RGB_RANGE_FULL	  = 2,
1362 };
1363 
1364 #define	V4L2_CID_DV_RX_POWER_PRESENT		(V4L2_CID_DV_CLASS_BASE + 100)
1365 #define V4L2_CID_DV_RX_RGB_RANGE		(V4L2_CID_DV_CLASS_BASE + 101)
1366 
1367 /*
1368  *	T U N I N G
1369  */
1370 struct v4l2_tuner {
1371 	__u32                   index;
1372 	__u8			name[32];
1373 	__u32			type;	/* enum v4l2_tuner_type */
1374 	__u32			capability;
1375 	__u32			rangelow;
1376 	__u32			rangehigh;
1377 	__u32			rxsubchans;
1378 	__u32			audmode;
1379 	__s32			signal;
1380 	__s32			afc;
1381 	__u32			reserved[4];
1382 };
1383 
1384 struct v4l2_modulator {
1385 	__u32			index;
1386 	__u8			name[32];
1387 	__u32			capability;
1388 	__u32			rangelow;
1389 	__u32			rangehigh;
1390 	__u32			txsubchans;
1391 	__u32			reserved[4];
1392 };
1393 
1394 /*  Flags for the 'capability' field */
1395 #define V4L2_TUNER_CAP_LOW		0x0001
1396 #define V4L2_TUNER_CAP_NORM		0x0002
1397 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED	0x0004
1398 #define V4L2_TUNER_CAP_HWSEEK_WRAP	0x0008
1399 #define V4L2_TUNER_CAP_STEREO		0x0010
1400 #define V4L2_TUNER_CAP_LANG2		0x0020
1401 #define V4L2_TUNER_CAP_SAP		0x0020
1402 #define V4L2_TUNER_CAP_LANG1		0x0040
1403 #define V4L2_TUNER_CAP_RDS		0x0080
1404 #define V4L2_TUNER_CAP_RDS_BLOCK_IO	0x0100
1405 #define V4L2_TUNER_CAP_RDS_CONTROLS	0x0200
1406 #define V4L2_TUNER_CAP_FREQ_BANDS	0x0400
1407 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM	0x0800
1408 
1409 /*  Flags for the 'rxsubchans' field */
1410 #define V4L2_TUNER_SUB_MONO		0x0001
1411 #define V4L2_TUNER_SUB_STEREO		0x0002
1412 #define V4L2_TUNER_SUB_LANG2		0x0004
1413 #define V4L2_TUNER_SUB_SAP		0x0004
1414 #define V4L2_TUNER_SUB_LANG1		0x0008
1415 #define V4L2_TUNER_SUB_RDS		0x0010
1416 
1417 /*  Values for the 'audmode' field */
1418 #define V4L2_TUNER_MODE_MONO		0x0000
1419 #define V4L2_TUNER_MODE_STEREO		0x0001
1420 #define V4L2_TUNER_MODE_LANG2		0x0002
1421 #define V4L2_TUNER_MODE_SAP		0x0002
1422 #define V4L2_TUNER_MODE_LANG1		0x0003
1423 #define V4L2_TUNER_MODE_LANG1_LANG2	0x0004
1424 
1425 struct v4l2_frequency {
1426 	__u32	tuner;
1427 	__u32	type;	/* enum v4l2_tuner_type */
1428 	__u32	frequency;
1429 	__u32	reserved[8];
1430 };
1431 
1432 #define V4L2_BAND_MODULATION_VSB	(1 << 1)
1433 #define V4L2_BAND_MODULATION_FM		(1 << 2)
1434 #define V4L2_BAND_MODULATION_AM		(1 << 3)
1435 
1436 struct v4l2_frequency_band {
1437 	__u32	tuner;
1438 	__u32	type;	/* enum v4l2_tuner_type */
1439 	__u32	index;
1440 	__u32	capability;
1441 	__u32	rangelow;
1442 	__u32	rangehigh;
1443 	__u32	modulation;
1444 	__u32	reserved[9];
1445 };
1446 
1447 struct v4l2_hw_freq_seek {
1448 	__u32	tuner;
1449 	__u32	type;	/* enum v4l2_tuner_type */
1450 	__u32	seek_upward;
1451 	__u32	wrap_around;
1452 	__u32	spacing;
1453 	__u32	rangelow;
1454 	__u32	rangehigh;
1455 	__u32	reserved[5];
1456 };
1457 
1458 /*
1459  *	R D S
1460  */
1461 
1462 struct v4l2_rds_data {
1463 	__u8 	lsb;
1464 	__u8 	msb;
1465 	__u8 	block;
1466 } __attribute__ ((packed));
1467 
1468 #define V4L2_RDS_BLOCK_MSK 	 0x7
1469 #define V4L2_RDS_BLOCK_A 	 0
1470 #define V4L2_RDS_BLOCK_B 	 1
1471 #define V4L2_RDS_BLOCK_C 	 2
1472 #define V4L2_RDS_BLOCK_D 	 3
1473 #define V4L2_RDS_BLOCK_C_ALT 	 4
1474 #define V4L2_RDS_BLOCK_INVALID 	 7
1475 
1476 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1477 #define V4L2_RDS_BLOCK_ERROR 	 0x80
1478 
1479 /*
1480  *	A U D I O
1481  */
1482 struct v4l2_audio {
1483 	__u32	index;
1484 	__u8	name[32];
1485 	__u32	capability;
1486 	__u32	mode;
1487 	__u32	reserved[2];
1488 };
1489 
1490 /*  Flags for the 'capability' field */
1491 #define V4L2_AUDCAP_STEREO		0x00001
1492 #define V4L2_AUDCAP_AVL			0x00002
1493 
1494 /*  Flags for the 'mode' field */
1495 #define V4L2_AUDMODE_AVL		0x00001
1496 
1497 struct v4l2_audioout {
1498 	__u32	index;
1499 	__u8	name[32];
1500 	__u32	capability;
1501 	__u32	mode;
1502 	__u32	reserved[2];
1503 };
1504 
1505 /*
1506  *	M P E G   S E R V I C E S
1507  *
1508  *	NOTE: EXPERIMENTAL API
1509  */
1510 #if 1
1511 #define V4L2_ENC_IDX_FRAME_I    (0)
1512 #define V4L2_ENC_IDX_FRAME_P    (1)
1513 #define V4L2_ENC_IDX_FRAME_B    (2)
1514 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1515 
1516 struct v4l2_enc_idx_entry {
1517 	__u64 offset;
1518 	__u64 pts;
1519 	__u32 length;
1520 	__u32 flags;
1521 	__u32 reserved[2];
1522 };
1523 
1524 #define V4L2_ENC_IDX_ENTRIES (64)
1525 struct v4l2_enc_idx {
1526 	__u32 entries;
1527 	__u32 entries_cap;
1528 	__u32 reserved[4];
1529 	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1530 };
1531 
1532 
1533 #define V4L2_ENC_CMD_START      (0)
1534 #define V4L2_ENC_CMD_STOP       (1)
1535 #define V4L2_ENC_CMD_PAUSE      (2)
1536 #define V4L2_ENC_CMD_RESUME     (3)
1537 
1538 /* Flags for V4L2_ENC_CMD_STOP */
1539 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
1540 
1541 struct v4l2_encoder_cmd {
1542 	__u32 cmd;
1543 	__u32 flags;
1544 	union {
1545 		struct {
1546 			__u32 data[8];
1547 		} raw;
1548 	};
1549 };
1550 
1551 /* Decoder commands */
1552 #define V4L2_DEC_CMD_START       (0)
1553 #define V4L2_DEC_CMD_STOP        (1)
1554 #define V4L2_DEC_CMD_PAUSE       (2)
1555 #define V4L2_DEC_CMD_RESUME      (3)
1556 
1557 /* Flags for V4L2_DEC_CMD_START */
1558 #define V4L2_DEC_CMD_START_MUTE_AUDIO	(1 << 0)
1559 
1560 /* Flags for V4L2_DEC_CMD_PAUSE */
1561 #define V4L2_DEC_CMD_PAUSE_TO_BLACK	(1 << 0)
1562 
1563 /* Flags for V4L2_DEC_CMD_STOP */
1564 #define V4L2_DEC_CMD_STOP_TO_BLACK	(1 << 0)
1565 #define V4L2_DEC_CMD_STOP_IMMEDIATELY	(1 << 1)
1566 
1567 /* Play format requirements (returned by the driver): */
1568 
1569 /* The decoder has no special format requirements */
1570 #define V4L2_DEC_START_FMT_NONE		(0)
1571 /* The decoder requires full GOPs */
1572 #define V4L2_DEC_START_FMT_GOP		(1)
1573 
1574 /* The structure must be zeroed before use by the application
1575    This ensures it can be extended safely in the future. */
1576 struct v4l2_decoder_cmd {
1577 	__u32 cmd;
1578 	__u32 flags;
1579 	union {
1580 		struct {
1581 			__u64 pts;
1582 		} stop;
1583 
1584 		struct {
1585 			/* 0 or 1000 specifies normal speed,
1586 			   1 specifies forward single stepping,
1587 			   -1 specifies backward single stepping,
1588 			   >1: playback at speed/1000 of the normal speed,
1589 			   <-1: reverse playback at (-speed/1000) of the normal speed. */
1590 			__s32 speed;
1591 			__u32 format;
1592 		} start;
1593 
1594 		struct {
1595 			__u32 data[16];
1596 		} raw;
1597 	};
1598 };
1599 #endif
1600 
1601 
1602 /*
1603  *	D A T A   S E R V I C E S   ( V B I )
1604  *
1605  *	Data services API by Michael Schimek
1606  */
1607 
1608 /* Raw VBI */
1609 struct v4l2_vbi_format {
1610 	__u32	sampling_rate;		/* in 1 Hz */
1611 	__u32	offset;
1612 	__u32	samples_per_line;
1613 	__u32	sample_format;		/* V4L2_PIX_FMT_* */
1614 	__s32	start[2];
1615 	__u32	count[2];
1616 	__u32	flags;			/* V4L2_VBI_* */
1617 	__u32	reserved[2];		/* must be zero */
1618 };
1619 
1620 /*  VBI flags  */
1621 #define V4L2_VBI_UNSYNC		(1 << 0)
1622 #define V4L2_VBI_INTERLACED	(1 << 1)
1623 
1624 /* Sliced VBI
1625  *
1626  *    This implements is a proposal V4L2 API to allow SLICED VBI
1627  * required for some hardware encoders. It should change without
1628  * notice in the definitive implementation.
1629  */
1630 
1631 struct v4l2_sliced_vbi_format {
1632 	__u16   service_set;
1633 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1634 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1635 				 (equals frame lines 313-336 for 625 line video
1636 				  standards, 263-286 for 525 line standards) */
1637 	__u16   service_lines[2][24];
1638 	__u32   io_size;
1639 	__u32   reserved[2];            /* must be zero */
1640 };
1641 
1642 /* Teletext World System Teletext
1643    (WST), defined on ITU-R BT.653-2 */
1644 #define V4L2_SLICED_TELETEXT_B          (0x0001)
1645 /* Video Program System, defined on ETS 300 231*/
1646 #define V4L2_SLICED_VPS                 (0x0400)
1647 /* Closed Caption, defined on EIA-608 */
1648 #define V4L2_SLICED_CAPTION_525         (0x1000)
1649 /* Wide Screen System, defined on ITU-R BT1119.1 */
1650 #define V4L2_SLICED_WSS_625             (0x4000)
1651 
1652 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
1653 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1654 
1655 struct v4l2_sliced_vbi_cap {
1656 	__u16   service_set;
1657 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1658 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1659 				 (equals frame lines 313-336 for 625 line video
1660 				  standards, 263-286 for 525 line standards) */
1661 	__u16   service_lines[2][24];
1662 	__u32	type;		/* enum v4l2_buf_type */
1663 	__u32   reserved[3];    /* must be 0 */
1664 };
1665 
1666 struct v4l2_sliced_vbi_data {
1667 	__u32   id;
1668 	__u32   field;          /* 0: first field, 1: second field */
1669 	__u32   line;           /* 1-23 */
1670 	__u32   reserved;       /* must be 0 */
1671 	__u8    data[48];
1672 };
1673 
1674 /*
1675  * Sliced VBI data inserted into MPEG Streams
1676  */
1677 
1678 /*
1679  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1680  *
1681  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1682  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1683  * data
1684  *
1685  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1686  * definitions are not included here.  See the MPEG-2 specifications for details
1687  * on these headers.
1688  */
1689 
1690 /* Line type IDs */
1691 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
1692 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
1693 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
1694 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
1695 
1696 struct v4l2_mpeg_vbi_itv0_line {
1697 	__u8 id;	/* One of V4L2_MPEG_VBI_IVTV_* above */
1698 	__u8 data[42];	/* Sliced VBI data for the line */
1699 } __attribute__ ((packed));
1700 
1701 struct v4l2_mpeg_vbi_itv0 {
1702 	__le32 linemask[2]; /* Bitmasks of VBI service lines present */
1703 	struct v4l2_mpeg_vbi_itv0_line line[35];
1704 } __attribute__ ((packed));
1705 
1706 struct v4l2_mpeg_vbi_ITV0 {
1707 	struct v4l2_mpeg_vbi_itv0_line line[36];
1708 } __attribute__ ((packed));
1709 
1710 #define V4L2_MPEG_VBI_IVTV_MAGIC0	"itv0"
1711 #define V4L2_MPEG_VBI_IVTV_MAGIC1	"ITV0"
1712 
1713 struct v4l2_mpeg_vbi_fmt_ivtv {
1714 	__u8 magic[4];
1715 	union {
1716 		struct v4l2_mpeg_vbi_itv0 itv0;
1717 		struct v4l2_mpeg_vbi_ITV0 ITV0;
1718 	};
1719 } __attribute__ ((packed));
1720 
1721 /*
1722  *	A G G R E G A T E   S T R U C T U R E S
1723  */
1724 
1725 /**
1726  * struct v4l2_plane_pix_format - additional, per-plane format definition
1727  * @sizeimage:		maximum size in bytes required for data, for which
1728  *			this plane will be used
1729  * @bytesperline:	distance in bytes between the leftmost pixels in two
1730  *			adjacent lines
1731  */
1732 struct v4l2_plane_pix_format {
1733 	__u32		sizeimage;
1734 	__u16		bytesperline;
1735 	__u16		reserved[7];
1736 } __attribute__ ((packed));
1737 
1738 /**
1739  * struct v4l2_pix_format_mplane - multiplanar format definition
1740  * @width:		image width in pixels
1741  * @height:		image height in pixels
1742  * @pixelformat:	little endian four character code (fourcc)
1743  * @field:		enum v4l2_field; field order (for interlaced video)
1744  * @colorspace:		enum v4l2_colorspace; supplemental to pixelformat
1745  * @plane_fmt:		per-plane information
1746  * @num_planes:		number of planes for this format
1747  */
1748 struct v4l2_pix_format_mplane {
1749 	__u32				width;
1750 	__u32				height;
1751 	__u32				pixelformat;
1752 	__u32				field;
1753 	__u32				colorspace;
1754 
1755 	struct v4l2_plane_pix_format	plane_fmt[VIDEO_MAX_PLANES];
1756 	__u8				num_planes;
1757 	__u8				reserved[11];
1758 } __attribute__ ((packed));
1759 
1760 /**
1761  * struct v4l2_format - stream data format
1762  * @type:	enum v4l2_buf_type; type of the data stream
1763  * @pix:	definition of an image format
1764  * @pix_mp:	definition of a multiplanar image format
1765  * @win:	definition of an overlaid image
1766  * @vbi:	raw VBI capture or output parameters
1767  * @sliced:	sliced VBI capture or output parameters
1768  * @raw_data:	placeholder for future extensions and custom formats
1769  */
1770 struct v4l2_format {
1771 	__u32	 type;
1772 	union {
1773 		struct v4l2_pix_format		pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
1774 		struct v4l2_pix_format_mplane	pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
1775 		struct v4l2_window		win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
1776 		struct v4l2_vbi_format		vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
1777 		struct v4l2_sliced_vbi_format	sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
1778 		__u8	raw_data[200];                   /* user-defined */
1779 	} fmt;
1780 };
1781 
1782 /*	Stream type-dependent parameters
1783  */
1784 struct v4l2_streamparm {
1785 	__u32	 type;			/* enum v4l2_buf_type */
1786 	union {
1787 		struct v4l2_captureparm	capture;
1788 		struct v4l2_outputparm	output;
1789 		__u8	raw_data[200];  /* user-defined */
1790 	} parm;
1791 };
1792 
1793 /*
1794  *	E V E N T S
1795  */
1796 
1797 #define V4L2_EVENT_ALL				0
1798 #define V4L2_EVENT_VSYNC			1
1799 #define V4L2_EVENT_EOS				2
1800 #define V4L2_EVENT_CTRL				3
1801 #define V4L2_EVENT_FRAME_SYNC			4
1802 #define V4L2_EVENT_PRIVATE_START		0x08000000
1803 
1804 /* Payload for V4L2_EVENT_VSYNC */
1805 struct v4l2_event_vsync {
1806 	/* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
1807 	__u8 field;
1808 } __attribute__ ((packed));
1809 
1810 /* Payload for V4L2_EVENT_CTRL */
1811 #define V4L2_EVENT_CTRL_CH_VALUE		(1 << 0)
1812 #define V4L2_EVENT_CTRL_CH_FLAGS		(1 << 1)
1813 
1814 struct v4l2_event_ctrl {
1815 	__u32 changes;
1816 	__u32 type;
1817 	union {
1818 		__s32 value;
1819 		__s64 value64;
1820 	};
1821 	__u32 flags;
1822 	__s32 minimum;
1823 	__s32 maximum;
1824 	__s32 step;
1825 	__s32 default_value;
1826 };
1827 
1828 struct v4l2_event_frame_sync {
1829 	__u32 frame_sequence;
1830 };
1831 
1832 struct v4l2_event {
1833 	__u32				type;
1834 	union {
1835 		struct v4l2_event_vsync		vsync;
1836 		struct v4l2_event_ctrl		ctrl;
1837 		struct v4l2_event_frame_sync	frame_sync;
1838 		__u8				data[64];
1839 	} u;
1840 	__u32				pending;
1841 	__u32				sequence;
1842 	struct timespec			timestamp;
1843 	__u32				id;
1844 	__u32				reserved[8];
1845 };
1846 
1847 #define V4L2_EVENT_SUB_FL_SEND_INITIAL		(1 << 0)
1848 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK	(1 << 1)
1849 
1850 struct v4l2_event_subscription {
1851 	__u32				type;
1852 	__u32				id;
1853 	__u32				flags;
1854 	__u32				reserved[5];
1855 };
1856 
1857 /*
1858  *	A D V A N C E D   D E B U G G I N G
1859  *
1860  *	NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
1861  *	FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
1862  */
1863 
1864 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
1865 
1866 #define V4L2_CHIP_MATCH_HOST       0  /* Match against chip ID on host (0 for the host) */
1867 #define V4L2_CHIP_MATCH_I2C_DRIVER 1  /* Match against I2C driver name */
1868 #define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
1869 #define V4L2_CHIP_MATCH_AC97       3  /* Match against anciliary AC97 chip */
1870 
1871 struct v4l2_dbg_match {
1872 	__u32 type; /* Match type */
1873 	union {     /* Match this chip, meaning determined by type */
1874 		__u32 addr;
1875 		char name[32];
1876 	};
1877 } __attribute__ ((packed));
1878 
1879 struct v4l2_dbg_register {
1880 	struct v4l2_dbg_match match;
1881 	__u32 size;	/* register size in bytes */
1882 	__u64 reg;
1883 	__u64 val;
1884 } __attribute__ ((packed));
1885 
1886 /* VIDIOC_DBG_G_CHIP_IDENT */
1887 struct v4l2_dbg_chip_ident {
1888 	struct v4l2_dbg_match match;
1889 	__u32 ident;       /* chip identifier as specified in <media/v4l2-chip-ident.h> */
1890 	__u32 revision;    /* chip revision, chip specific */
1891 } __attribute__ ((packed));
1892 
1893 /**
1894  * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
1895  * @index:	on return, index of the first created buffer
1896  * @count:	entry: number of requested buffers,
1897  *		return: number of created buffers
1898  * @memory:	enum v4l2_memory; buffer memory type
1899  * @format:	frame format, for which buffers are requested
1900  * @reserved:	future extensions
1901  */
1902 struct v4l2_create_buffers {
1903 	__u32			index;
1904 	__u32			count;
1905 	__u32			memory;
1906 	struct v4l2_format	format;
1907 	__u32			reserved[8];
1908 };
1909 
1910 /*
1911  *	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
1912  *
1913  */
1914 #define VIDIOC_QUERYCAP		 _IOR('V',  0, struct v4l2_capability)
1915 #define VIDIOC_RESERVED		  _IO('V',  1)
1916 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
1917 #define VIDIOC_G_FMT		_IOWR('V',  4, struct v4l2_format)
1918 #define VIDIOC_S_FMT		_IOWR('V',  5, struct v4l2_format)
1919 #define VIDIOC_REQBUFS		_IOWR('V',  8, struct v4l2_requestbuffers)
1920 #define VIDIOC_QUERYBUF		_IOWR('V',  9, struct v4l2_buffer)
1921 #define VIDIOC_G_FBUF		 _IOR('V', 10, struct v4l2_framebuffer)
1922 #define VIDIOC_S_FBUF		 _IOW('V', 11, struct v4l2_framebuffer)
1923 #define VIDIOC_OVERLAY		 _IOW('V', 14, int)
1924 #define VIDIOC_QBUF		_IOWR('V', 15, struct v4l2_buffer)
1925 #define VIDIOC_EXPBUF		_IOWR('V', 16, struct v4l2_exportbuffer)
1926 #define VIDIOC_DQBUF		_IOWR('V', 17, struct v4l2_buffer)
1927 #define VIDIOC_STREAMON		 _IOW('V', 18, int)
1928 #define VIDIOC_STREAMOFF	 _IOW('V', 19, int)
1929 #define VIDIOC_G_PARM		_IOWR('V', 21, struct v4l2_streamparm)
1930 #define VIDIOC_S_PARM		_IOWR('V', 22, struct v4l2_streamparm)
1931 #define VIDIOC_G_STD		 _IOR('V', 23, v4l2_std_id)
1932 #define VIDIOC_S_STD		 _IOW('V', 24, v4l2_std_id)
1933 #define VIDIOC_ENUMSTD		_IOWR('V', 25, struct v4l2_standard)
1934 #define VIDIOC_ENUMINPUT	_IOWR('V', 26, struct v4l2_input)
1935 #define VIDIOC_G_CTRL		_IOWR('V', 27, struct v4l2_control)
1936 #define VIDIOC_S_CTRL		_IOWR('V', 28, struct v4l2_control)
1937 #define VIDIOC_G_TUNER		_IOWR('V', 29, struct v4l2_tuner)
1938 #define VIDIOC_S_TUNER		 _IOW('V', 30, struct v4l2_tuner)
1939 #define VIDIOC_G_AUDIO		 _IOR('V', 33, struct v4l2_audio)
1940 #define VIDIOC_S_AUDIO		 _IOW('V', 34, struct v4l2_audio)
1941 #define VIDIOC_QUERYCTRL	_IOWR('V', 36, struct v4l2_queryctrl)
1942 #define VIDIOC_QUERYMENU	_IOWR('V', 37, struct v4l2_querymenu)
1943 #define VIDIOC_G_INPUT		 _IOR('V', 38, int)
1944 #define VIDIOC_S_INPUT		_IOWR('V', 39, int)
1945 #define VIDIOC_G_OUTPUT		 _IOR('V', 46, int)
1946 #define VIDIOC_S_OUTPUT		_IOWR('V', 47, int)
1947 #define VIDIOC_ENUMOUTPUT	_IOWR('V', 48, struct v4l2_output)
1948 #define VIDIOC_G_AUDOUT		 _IOR('V', 49, struct v4l2_audioout)
1949 #define VIDIOC_S_AUDOUT		 _IOW('V', 50, struct v4l2_audioout)
1950 #define VIDIOC_G_MODULATOR	_IOWR('V', 54, struct v4l2_modulator)
1951 #define VIDIOC_S_MODULATOR	 _IOW('V', 55, struct v4l2_modulator)
1952 #define VIDIOC_G_FREQUENCY	_IOWR('V', 56, struct v4l2_frequency)
1953 #define VIDIOC_S_FREQUENCY	 _IOW('V', 57, struct v4l2_frequency)
1954 #define VIDIOC_CROPCAP		_IOWR('V', 58, struct v4l2_cropcap)
1955 #define VIDIOC_G_CROP		_IOWR('V', 59, struct v4l2_crop)
1956 #define VIDIOC_S_CROP		 _IOW('V', 60, struct v4l2_crop)
1957 #define VIDIOC_G_JPEGCOMP	 _IOR('V', 61, struct v4l2_jpegcompression)
1958 #define VIDIOC_S_JPEGCOMP	 _IOW('V', 62, struct v4l2_jpegcompression)
1959 #define VIDIOC_QUERYSTD      	 _IOR('V', 63, v4l2_std_id)
1960 #define VIDIOC_TRY_FMT      	_IOWR('V', 64, struct v4l2_format)
1961 #define VIDIOC_ENUMAUDIO	_IOWR('V', 65, struct v4l2_audio)
1962 #define VIDIOC_ENUMAUDOUT	_IOWR('V', 66, struct v4l2_audioout)
1963 #define VIDIOC_G_PRIORITY	 _IOR('V', 67, __u32) /* enum v4l2_priority */
1964 #define VIDIOC_S_PRIORITY	 _IOW('V', 68, __u32) /* enum v4l2_priority */
1965 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
1966 #define VIDIOC_LOG_STATUS         _IO('V', 70)
1967 #define VIDIOC_G_EXT_CTRLS	_IOWR('V', 71, struct v4l2_ext_controls)
1968 #define VIDIOC_S_EXT_CTRLS	_IOWR('V', 72, struct v4l2_ext_controls)
1969 #define VIDIOC_TRY_EXT_CTRLS	_IOWR('V', 73, struct v4l2_ext_controls)
1970 #if 1
1971 #define VIDIOC_ENUM_FRAMESIZES	_IOWR('V', 74, struct v4l2_frmsizeenum)
1972 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
1973 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
1974 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
1975 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
1976 #endif
1977 
1978 #if 1
1979 /* Experimental, meant for debugging, testing and internal use.
1980    Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
1981    You must be root to use these ioctls. Never use these in applications! */
1982 #define	VIDIOC_DBG_S_REGISTER 	 _IOW('V', 79, struct v4l2_dbg_register)
1983 #define	VIDIOC_DBG_G_REGISTER 	_IOWR('V', 80, struct v4l2_dbg_register)
1984 
1985 /* Experimental, meant for debugging, testing and internal use.
1986    Never use this ioctl in applications! */
1987 #define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident)
1988 #endif
1989 
1990 #define VIDIOC_S_HW_FREQ_SEEK	 _IOW('V', 82, struct v4l2_hw_freq_seek)
1991 
1992 /* These four DV Preset ioctls are deprecated in favor of the DV Timings
1993    ioctls. */
1994 #define	VIDIOC_ENUM_DV_PRESETS	_IOWR('V', 83, struct v4l2_dv_enum_preset)
1995 #define	VIDIOC_S_DV_PRESET	_IOWR('V', 84, struct v4l2_dv_preset)
1996 #define	VIDIOC_G_DV_PRESET	_IOWR('V', 85, struct v4l2_dv_preset)
1997 #define	VIDIOC_QUERY_DV_PRESET	_IOR('V',  86, struct v4l2_dv_preset)
1998 #define	VIDIOC_S_DV_TIMINGS	_IOWR('V', 87, struct v4l2_dv_timings)
1999 #define	VIDIOC_G_DV_TIMINGS	_IOWR('V', 88, struct v4l2_dv_timings)
2000 #define	VIDIOC_DQEVENT		 _IOR('V', 89, struct v4l2_event)
2001 #define	VIDIOC_SUBSCRIBE_EVENT	 _IOW('V', 90, struct v4l2_event_subscription)
2002 #define	VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2003 
2004 /* Experimental, the below two ioctls may change over the next couple of kernel
2005    versions */
2006 #define VIDIOC_CREATE_BUFS	_IOWR('V', 92, struct v4l2_create_buffers)
2007 #define VIDIOC_PREPARE_BUF	_IOWR('V', 93, struct v4l2_buffer)
2008 
2009 /* Experimental selection API */
2010 #define VIDIOC_G_SELECTION	_IOWR('V', 94, struct v4l2_selection)
2011 #define VIDIOC_S_SELECTION	_IOWR('V', 95, struct v4l2_selection)
2012 
2013 /* Experimental, these two ioctls may change over the next couple of kernel
2014    versions. */
2015 #define VIDIOC_DECODER_CMD	_IOWR('V', 96, struct v4l2_decoder_cmd)
2016 #define VIDIOC_TRY_DECODER_CMD	_IOWR('V', 97, struct v4l2_decoder_cmd)
2017 
2018 /* Experimental, these three ioctls may change over the next couple of kernel
2019    versions. */
2020 #define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
2021 #define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
2022 #define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
2023 
2024 /* Experimental, this ioctl may change over the next couple of kernel
2025    versions. */
2026 #define VIDIOC_ENUM_FREQ_BANDS	_IOWR('V', 101, struct v4l2_frequency_band)
2027 
2028 /* Reminder: when adding new ioctls please add support for them to
2029    drivers/media/video/v4l2-compat-ioctl32.c as well! */
2030 
2031 #define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
2032 
2033 #endif /* _UAPI__LINUX_VIDEODEV2_H */
2034