xref: /linux-6.15/include/linux/videodev2.h (revision b8bb7671)
1 /*
2  *  Video for Linux Two header file
3  *
4  *  Copyright (C) 1999-2007 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 __LINUX_VIDEODEV2_H
57 #define __LINUX_VIDEODEV2_H
58 
59 #ifdef __KERNEL__
60 #include <linux/time.h>     /* need struct timeval */
61 #else
62 #include <sys/time.h>
63 #endif
64 #include <linux/compiler.h>
65 #include <linux/ioctl.h>
66 #include <linux/types.h>
67 
68 /*
69  * Common stuff for both V4L1 and V4L2
70  * Moved from videodev.h
71  */
72 #define VIDEO_MAX_FRAME               32
73 
74 #ifndef __KERNEL__
75 
76 /* These defines are V4L1 specific and should not be used with the V4L2 API!
77    They will be removed from this header in the future. */
78 
79 #define VID_TYPE_CAPTURE	1	/* Can capture */
80 #define VID_TYPE_TUNER		2	/* Can tune */
81 #define VID_TYPE_TELETEXT	4	/* Does teletext */
82 #define VID_TYPE_OVERLAY	8	/* Overlay onto frame buffer */
83 #define VID_TYPE_CHROMAKEY	16	/* Overlay by chromakey */
84 #define VID_TYPE_CLIPPING	32	/* Can clip */
85 #define VID_TYPE_FRAMERAM	64	/* Uses the frame buffer memory */
86 #define VID_TYPE_SCALES		128	/* Scalable */
87 #define VID_TYPE_MONOCHROME	256	/* Monochrome only */
88 #define VID_TYPE_SUBCAPTURE	512	/* Can capture subareas of the image */
89 #define VID_TYPE_MPEG_DECODER	1024	/* Can decode MPEG streams */
90 #define VID_TYPE_MPEG_ENCODER	2048	/* Can encode MPEG streams */
91 #define VID_TYPE_MJPEG_DECODER	4096	/* Can decode MJPEG streams */
92 #define VID_TYPE_MJPEG_ENCODER	8192	/* Can encode MJPEG streams */
93 #endif
94 
95 /*
96  *	M I S C E L L A N E O U S
97  */
98 
99 /*  Four-character-code (FOURCC) */
100 #define v4l2_fourcc(a, b, c, d)\
101 	((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
102 
103 /*
104  *	E N U M S
105  */
106 enum v4l2_field {
107 	V4L2_FIELD_ANY           = 0, /* driver can choose from none,
108 					 top, bottom, interlaced
109 					 depending on whatever it thinks
110 					 is approximate ... */
111 	V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
112 	V4L2_FIELD_TOP           = 2, /* top field only */
113 	V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
114 	V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
115 	V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
116 					 buffer, top-bottom order */
117 	V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
118 	V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
119 					 separate buffers */
120 	V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
121 					 first and the top field is
122 					 transmitted first */
123 	V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
124 					 first and the bottom field is
125 					 transmitted first */
126 };
127 #define V4L2_FIELD_HAS_TOP(field)	\
128 	((field) == V4L2_FIELD_TOP 	||\
129 	 (field) == V4L2_FIELD_INTERLACED ||\
130 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
131 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
132 	 (field) == V4L2_FIELD_SEQ_TB	||\
133 	 (field) == V4L2_FIELD_SEQ_BT)
134 #define V4L2_FIELD_HAS_BOTTOM(field)	\
135 	((field) == V4L2_FIELD_BOTTOM 	||\
136 	 (field) == V4L2_FIELD_INTERLACED ||\
137 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
138 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
139 	 (field) == V4L2_FIELD_SEQ_TB	||\
140 	 (field) == V4L2_FIELD_SEQ_BT)
141 #define V4L2_FIELD_HAS_BOTH(field)	\
142 	((field) == V4L2_FIELD_INTERLACED ||\
143 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
144 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
145 	 (field) == V4L2_FIELD_SEQ_TB ||\
146 	 (field) == V4L2_FIELD_SEQ_BT)
147 
148 enum v4l2_buf_type {
149 	V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
150 	V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
151 	V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
152 	V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
153 	V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
154 	V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
155 	V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
156 #if 1
157 	/* Experimental */
158 	V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
159 #endif
160 	V4L2_BUF_TYPE_PRIVATE              = 0x80,
161 };
162 
163 enum v4l2_ctrl_type {
164 	V4L2_CTRL_TYPE_INTEGER	     = 1,
165 	V4L2_CTRL_TYPE_BOOLEAN	     = 2,
166 	V4L2_CTRL_TYPE_MENU	     = 3,
167 	V4L2_CTRL_TYPE_BUTTON	     = 4,
168 	V4L2_CTRL_TYPE_INTEGER64     = 5,
169 	V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
170 };
171 
172 enum v4l2_tuner_type {
173 	V4L2_TUNER_RADIO	     = 1,
174 	V4L2_TUNER_ANALOG_TV	     = 2,
175 	V4L2_TUNER_DIGITAL_TV	     = 3,
176 };
177 
178 enum v4l2_memory {
179 	V4L2_MEMORY_MMAP             = 1,
180 	V4L2_MEMORY_USERPTR          = 2,
181 	V4L2_MEMORY_OVERLAY          = 3,
182 };
183 
184 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
185 enum v4l2_colorspace {
186 	/* ITU-R 601 -- broadcast NTSC/PAL */
187 	V4L2_COLORSPACE_SMPTE170M     = 1,
188 
189 	/* 1125-Line (US) HDTV */
190 	V4L2_COLORSPACE_SMPTE240M     = 2,
191 
192 	/* HD and modern captures. */
193 	V4L2_COLORSPACE_REC709        = 3,
194 
195 	/* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
196 	V4L2_COLORSPACE_BT878         = 4,
197 
198 	/* These should be useful.  Assume 601 extents. */
199 	V4L2_COLORSPACE_470_SYSTEM_M  = 5,
200 	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
201 
202 	/* I know there will be cameras that send this.  So, this is
203 	 * unspecified chromaticities and full 0-255 on each of the
204 	 * Y'CbCr components
205 	 */
206 	V4L2_COLORSPACE_JPEG          = 7,
207 
208 	/* For RGB colourspaces, this is probably a good start. */
209 	V4L2_COLORSPACE_SRGB          = 8,
210 };
211 
212 enum v4l2_priority {
213 	V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
214 	V4L2_PRIORITY_BACKGROUND  = 1,
215 	V4L2_PRIORITY_INTERACTIVE = 2,
216 	V4L2_PRIORITY_RECORD      = 3,
217 	V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
218 };
219 
220 struct v4l2_rect {
221 	__s32   left;
222 	__s32   top;
223 	__s32   width;
224 	__s32   height;
225 };
226 
227 struct v4l2_fract {
228 	__u32   numerator;
229 	__u32   denominator;
230 };
231 
232 /*
233  *	D R I V E R   C A P A B I L I T I E S
234  */
235 struct v4l2_capability {
236 	__u8	driver[16];	/* i.e. "bttv" */
237 	__u8	card[32];	/* i.e. "Hauppauge WinTV" */
238 	__u8	bus_info[32];	/* "PCI:" + pci_name(pci_dev) */
239 	__u32   version;        /* should use KERNEL_VERSION() */
240 	__u32	capabilities;	/* Device capabilities */
241 	__u32	reserved[4];
242 };
243 
244 /* Values for 'capabilities' field */
245 #define V4L2_CAP_VIDEO_CAPTURE		0x00000001  /* Is a video capture device */
246 #define V4L2_CAP_VIDEO_OUTPUT		0x00000002  /* Is a video output device */
247 #define V4L2_CAP_VIDEO_OVERLAY		0x00000004  /* Can do video overlay */
248 #define V4L2_CAP_VBI_CAPTURE		0x00000010  /* Is a raw VBI capture device */
249 #define V4L2_CAP_VBI_OUTPUT		0x00000020  /* Is a raw VBI output device */
250 #define V4L2_CAP_SLICED_VBI_CAPTURE	0x00000040  /* Is a sliced VBI capture device */
251 #define V4L2_CAP_SLICED_VBI_OUTPUT	0x00000080  /* Is a sliced VBI output device */
252 #define V4L2_CAP_RDS_CAPTURE		0x00000100  /* RDS data capture */
253 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY	0x00000200  /* Can do video output overlay */
254 #define V4L2_CAP_HW_FREQ_SEEK		0x00000400  /* Can do hardware frequency seek  */
255 
256 #define V4L2_CAP_TUNER			0x00010000  /* has a tuner */
257 #define V4L2_CAP_AUDIO			0x00020000  /* has audio support */
258 #define V4L2_CAP_RADIO			0x00040000  /* is a radio device */
259 
260 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
261 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
262 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
263 
264 /*
265  *	V I D E O   I M A G E   F O R M A T
266  */
267 struct v4l2_pix_format {
268 	__u32         		width;
269 	__u32			height;
270 	__u32			pixelformat;
271 	enum v4l2_field  	field;
272 	__u32            	bytesperline;	/* for padding, zero if unused */
273 	__u32          		sizeimage;
274 	enum v4l2_colorspace	colorspace;
275 	__u32			priv;		/* private data, depends on pixelformat */
276 };
277 
278 /*      Pixel format         FOURCC                        depth  Description  */
279 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
280 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
281 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
282 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
283 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
284 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
285 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
286 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
287 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
288 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
289 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
290 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
291 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
292 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
293 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
294 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
295 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
296 #define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
297 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
298 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16  YVU411 planar */
299 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
300 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
301 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
302 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
303 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
304 
305 /* two planes -- one Y, one Cr + Cb interleaved  */
306 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
307 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
308 #define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
309 #define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
310 
311 /*  The following formats are not defined in the V4L2 specification */
312 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
313 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
314 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
315 #define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
316 #define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
317 
318 /* see http://www.siliconimaging.com/RGB%20Bayer.htm */
319 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
320 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
321 /*
322  * 10bit raw bayer, expanded to 16 bits
323  * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
324  */
325 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0')
326 /* 10bit raw bayer DPCM compressed to 8 bits */
327 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
328 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
329 
330 /* compressed formats */
331 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
332 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
333 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
334 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4    */
335 
336 /*  Vendor-specific formats   */
337 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
338 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
339 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
340 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
341 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
342 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
343 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
344 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
345 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
346 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
347 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
348 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
349 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
350 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16  YVU 4:2:2     */
351 
352 /*
353  *	F O R M A T   E N U M E R A T I O N
354  */
355 struct v4l2_fmtdesc {
356 	__u32		    index;             /* Format number      */
357 	enum v4l2_buf_type  type;              /* buffer type        */
358 	__u32               flags;
359 	__u8		    description[32];   /* Description string */
360 	__u32		    pixelformat;       /* Format fourcc      */
361 	__u32		    reserved[4];
362 };
363 
364 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
365 
366 #if 1
367 	/* Experimental Frame Size and frame rate enumeration */
368 /*
369  *	F R A M E   S I Z E   E N U M E R A T I O N
370  */
371 enum v4l2_frmsizetypes {
372 	V4L2_FRMSIZE_TYPE_DISCRETE	= 1,
373 	V4L2_FRMSIZE_TYPE_CONTINUOUS	= 2,
374 	V4L2_FRMSIZE_TYPE_STEPWISE	= 3,
375 };
376 
377 struct v4l2_frmsize_discrete {
378 	__u32			width;		/* Frame width [pixel] */
379 	__u32			height;		/* Frame height [pixel] */
380 };
381 
382 struct v4l2_frmsize_stepwise {
383 	__u32			min_width;	/* Minimum frame width [pixel] */
384 	__u32			max_width;	/* Maximum frame width [pixel] */
385 	__u32			step_width;	/* Frame width step size [pixel] */
386 	__u32			min_height;	/* Minimum frame height [pixel] */
387 	__u32			max_height;	/* Maximum frame height [pixel] */
388 	__u32			step_height;	/* Frame height step size [pixel] */
389 };
390 
391 struct v4l2_frmsizeenum {
392 	__u32			index;		/* Frame size number */
393 	__u32			pixel_format;	/* Pixel format */
394 	__u32			type;		/* Frame size type the device supports. */
395 
396 	union {					/* Frame size */
397 		struct v4l2_frmsize_discrete	discrete;
398 		struct v4l2_frmsize_stepwise	stepwise;
399 	};
400 
401 	__u32   reserved[2];			/* Reserved space for future use */
402 };
403 
404 /*
405  *	F R A M E   R A T E   E N U M E R A T I O N
406  */
407 enum v4l2_frmivaltypes {
408 	V4L2_FRMIVAL_TYPE_DISCRETE	= 1,
409 	V4L2_FRMIVAL_TYPE_CONTINUOUS	= 2,
410 	V4L2_FRMIVAL_TYPE_STEPWISE	= 3,
411 };
412 
413 struct v4l2_frmival_stepwise {
414 	struct v4l2_fract	min;		/* Minimum frame interval [s] */
415 	struct v4l2_fract	max;		/* Maximum frame interval [s] */
416 	struct v4l2_fract	step;		/* Frame interval step size [s] */
417 };
418 
419 struct v4l2_frmivalenum {
420 	__u32			index;		/* Frame format index */
421 	__u32			pixel_format;	/* Pixel format */
422 	__u32			width;		/* Frame width */
423 	__u32			height;		/* Frame height */
424 	__u32			type;		/* Frame interval type the device supports. */
425 
426 	union {					/* Frame interval */
427 		struct v4l2_fract		discrete;
428 		struct v4l2_frmival_stepwise	stepwise;
429 	};
430 
431 	__u32	reserved[2];			/* Reserved space for future use */
432 };
433 #endif
434 
435 /*
436  *	T I M E C O D E
437  */
438 struct v4l2_timecode {
439 	__u32	type;
440 	__u32	flags;
441 	__u8	frames;
442 	__u8	seconds;
443 	__u8	minutes;
444 	__u8	hours;
445 	__u8	userbits[4];
446 };
447 
448 /*  Type  */
449 #define V4L2_TC_TYPE_24FPS		1
450 #define V4L2_TC_TYPE_25FPS		2
451 #define V4L2_TC_TYPE_30FPS		3
452 #define V4L2_TC_TYPE_50FPS		4
453 #define V4L2_TC_TYPE_60FPS		5
454 
455 /*  Flags  */
456 #define V4L2_TC_FLAG_DROPFRAME		0x0001 /* "drop-frame" mode */
457 #define V4L2_TC_FLAG_COLORFRAME		0x0002
458 #define V4L2_TC_USERBITS_field		0x000C
459 #define V4L2_TC_USERBITS_USERDEFINED	0x0000
460 #define V4L2_TC_USERBITS_8BITCHARS	0x0008
461 /* The above is based on SMPTE timecodes */
462 
463 struct v4l2_jpegcompression {
464 	int quality;
465 
466 	int  APPn;              /* Number of APP segment to be written,
467 				 * must be 0..15 */
468 	int  APP_len;           /* Length of data in JPEG APPn segment */
469 	char APP_data[60];      /* Data in the JPEG APPn segment. */
470 
471 	int  COM_len;           /* Length of data in JPEG COM segment */
472 	char COM_data[60];      /* Data in JPEG COM segment */
473 
474 	__u32 jpeg_markers;     /* Which markers should go into the JPEG
475 				 * output. Unless you exactly know what
476 				 * you do, leave them untouched.
477 				 * Inluding less markers will make the
478 				 * resulting code smaller, but there will
479 				 * be fewer aplications which can read it.
480 				 * The presence of the APP and COM marker
481 				 * is influenced by APP_len and COM_len
482 				 * ONLY, not by this property! */
483 
484 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
485 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
486 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
487 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
488 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
489 					* allways use APP0 */
490 };
491 
492 /*
493  *	M E M O R Y - M A P P I N G   B U F F E R S
494  */
495 struct v4l2_requestbuffers {
496 	__u32			count;
497 	enum v4l2_buf_type      type;
498 	enum v4l2_memory        memory;
499 	__u32			reserved[2];
500 };
501 
502 struct v4l2_buffer {
503 	__u32			index;
504 	enum v4l2_buf_type      type;
505 	__u32			bytesused;
506 	__u32			flags;
507 	enum v4l2_field		field;
508 	struct timeval		timestamp;
509 	struct v4l2_timecode	timecode;
510 	__u32			sequence;
511 
512 	/* memory location */
513 	enum v4l2_memory        memory;
514 	union {
515 		__u32           offset;
516 		unsigned long   userptr;
517 	} m;
518 	__u32			length;
519 	__u32			input;
520 	__u32			reserved;
521 };
522 
523 /*  Flags for 'flags' field */
524 #define V4L2_BUF_FLAG_MAPPED	0x0001  /* Buffer is mapped (flag) */
525 #define V4L2_BUF_FLAG_QUEUED	0x0002	/* Buffer is queued for processing */
526 #define V4L2_BUF_FLAG_DONE	0x0004	/* Buffer is ready */
527 #define V4L2_BUF_FLAG_KEYFRAME	0x0008	/* Image is a keyframe (I-frame) */
528 #define V4L2_BUF_FLAG_PFRAME	0x0010	/* Image is a P-frame */
529 #define V4L2_BUF_FLAG_BFRAME	0x0020	/* Image is a B-frame */
530 #define V4L2_BUF_FLAG_TIMECODE	0x0100	/* timecode field is valid */
531 #define V4L2_BUF_FLAG_INPUT     0x0200  /* input field is valid */
532 
533 /*
534  *	O V E R L A Y   P R E V I E W
535  */
536 struct v4l2_framebuffer {
537 	__u32			capability;
538 	__u32			flags;
539 /* FIXME: in theory we should pass something like PCI device + memory
540  * region + offset instead of some physical address */
541 	void                    *base;
542 	struct v4l2_pix_format	fmt;
543 };
544 /*  Flags for the 'capability' field. Read only */
545 #define V4L2_FBUF_CAP_EXTERNOVERLAY	0x0001
546 #define V4L2_FBUF_CAP_CHROMAKEY		0x0002
547 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
548 #define V4L2_FBUF_CAP_BITMAP_CLIPPING	0x0008
549 #define V4L2_FBUF_CAP_LOCAL_ALPHA	0x0010
550 #define V4L2_FBUF_CAP_GLOBAL_ALPHA	0x0020
551 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA	0x0040
552 /*  Flags for the 'flags' field. */
553 #define V4L2_FBUF_FLAG_PRIMARY		0x0001
554 #define V4L2_FBUF_FLAG_OVERLAY		0x0002
555 #define V4L2_FBUF_FLAG_CHROMAKEY	0x0004
556 #define V4L2_FBUF_FLAG_LOCAL_ALPHA	0x0008
557 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA	0x0010
558 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA	0x0020
559 
560 struct v4l2_clip {
561 	struct v4l2_rect        c;
562 	struct v4l2_clip	__user *next;
563 };
564 
565 struct v4l2_window {
566 	struct v4l2_rect        w;
567 	enum v4l2_field  	field;
568 	__u32			chromakey;
569 	struct v4l2_clip	__user *clips;
570 	__u32			clipcount;
571 	void			__user *bitmap;
572 	__u8                    global_alpha;
573 };
574 
575 /*
576  *	C A P T U R E   P A R A M E T E R S
577  */
578 struct v4l2_captureparm {
579 	__u32		   capability;	  /*  Supported modes */
580 	__u32		   capturemode;	  /*  Current mode */
581 	struct v4l2_fract  timeperframe;  /*  Time per frame in .1us units */
582 	__u32		   extendedmode;  /*  Driver-specific extensions */
583 	__u32              readbuffers;   /*  # of buffers for read */
584 	__u32		   reserved[4];
585 };
586 
587 /*  Flags for 'capability' and 'capturemode' fields */
588 #define V4L2_MODE_HIGHQUALITY	0x0001	/*  High quality imaging mode */
589 #define V4L2_CAP_TIMEPERFRAME	0x1000	/*  timeperframe field is supported */
590 
591 struct v4l2_outputparm {
592 	__u32		   capability;	 /*  Supported modes */
593 	__u32		   outputmode;	 /*  Current mode */
594 	struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
595 	__u32		   extendedmode; /*  Driver-specific extensions */
596 	__u32              writebuffers; /*  # of buffers for write */
597 	__u32		   reserved[4];
598 };
599 
600 /*
601  *	I N P U T   I M A G E   C R O P P I N G
602  */
603 struct v4l2_cropcap {
604 	enum v4l2_buf_type      type;
605 	struct v4l2_rect        bounds;
606 	struct v4l2_rect        defrect;
607 	struct v4l2_fract       pixelaspect;
608 };
609 
610 struct v4l2_crop {
611 	enum v4l2_buf_type      type;
612 	struct v4l2_rect        c;
613 };
614 
615 /*
616  *      A N A L O G   V I D E O   S T A N D A R D
617  */
618 
619 typedef __u64 v4l2_std_id;
620 
621 /* one bit for each */
622 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
623 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
624 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
625 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
626 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
627 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
628 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
629 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
630 
631 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
632 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
633 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
634 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
635 
636 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)
637 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)
638 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
639 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)
640 
641 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
642 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
643 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
644 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
645 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
646 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
647 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
648 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
649 
650 /* ATSC/HDTV */
651 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
652 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
653 
654 /* FIXME:
655    Although std_id is 64 bits, there is an issue on PPC32 architecture that
656    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
657    this value to 32 bits.
658    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
659    it should work fine. However, if needed to add more than two standards,
660    v4l2-common.c should be fixed.
661  */
662 
663 /* some merged standards */
664 #define V4L2_STD_MN	(V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
665 #define V4L2_STD_B	(V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
666 #define V4L2_STD_GH	(V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
667 #define V4L2_STD_DK	(V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
668 
669 /* some common needed stuff */
670 #define V4L2_STD_PAL_BG		(V4L2_STD_PAL_B		|\
671 				 V4L2_STD_PAL_B1	|\
672 				 V4L2_STD_PAL_G)
673 #define V4L2_STD_PAL_DK		(V4L2_STD_PAL_D		|\
674 				 V4L2_STD_PAL_D1	|\
675 				 V4L2_STD_PAL_K)
676 #define V4L2_STD_PAL		(V4L2_STD_PAL_BG	|\
677 				 V4L2_STD_PAL_DK	|\
678 				 V4L2_STD_PAL_H		|\
679 				 V4L2_STD_PAL_I)
680 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
681 				 V4L2_STD_NTSC_M_JP     |\
682 				 V4L2_STD_NTSC_M_KR)
683 #define V4L2_STD_SECAM_DK      	(V4L2_STD_SECAM_D	|\
684 				 V4L2_STD_SECAM_K	|\
685 				 V4L2_STD_SECAM_K1)
686 #define V4L2_STD_SECAM		(V4L2_STD_SECAM_B	|\
687 				 V4L2_STD_SECAM_G	|\
688 				 V4L2_STD_SECAM_H	|\
689 				 V4L2_STD_SECAM_DK	|\
690 				 V4L2_STD_SECAM_L       |\
691 				 V4L2_STD_SECAM_LC)
692 
693 #define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
694 				 V4L2_STD_PAL_60	|\
695 				 V4L2_STD_NTSC		|\
696 				 V4L2_STD_NTSC_443)
697 #define V4L2_STD_625_50		(V4L2_STD_PAL		|\
698 				 V4L2_STD_PAL_N		|\
699 				 V4L2_STD_PAL_Nc	|\
700 				 V4L2_STD_SECAM)
701 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
702 				 V4L2_STD_ATSC_16_VSB)
703 
704 #define V4L2_STD_UNKNOWN        0
705 #define V4L2_STD_ALL            (V4L2_STD_525_60	|\
706 				 V4L2_STD_625_50)
707 
708 struct v4l2_standard {
709 	__u32		     index;
710 	v4l2_std_id          id;
711 	__u8		     name[24];
712 	struct v4l2_fract    frameperiod; /* Frames, not fields */
713 	__u32		     framelines;
714 	__u32		     reserved[4];
715 };
716 
717 /*
718  *	V I D E O   I N P U T S
719  */
720 struct v4l2_input {
721 	__u32	     index;		/*  Which input */
722 	__u8	     name[32];		/*  Label */
723 	__u32	     type;		/*  Type of input */
724 	__u32	     audioset;		/*  Associated audios (bitfield) */
725 	__u32        tuner;             /*  Associated tuner */
726 	v4l2_std_id  std;
727 	__u32	     status;
728 	__u32	     reserved[4];
729 };
730 
731 /*  Values for the 'type' field */
732 #define V4L2_INPUT_TYPE_TUNER		1
733 #define V4L2_INPUT_TYPE_CAMERA		2
734 
735 /* field 'status' - general */
736 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
737 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
738 #define V4L2_IN_ST_NO_COLOR    0x00000004
739 
740 /* field 'status' - analog */
741 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
742 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
743 
744 /* field 'status' - digital */
745 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
746 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
747 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
748 
749 /* field 'status' - VCR and set-top box */
750 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
751 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
752 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
753 
754 /*
755  *	V I D E O   O U T P U T S
756  */
757 struct v4l2_output {
758 	__u32	     index;		/*  Which output */
759 	__u8	     name[32];		/*  Label */
760 	__u32	     type;		/*  Type of output */
761 	__u32	     audioset;		/*  Associated audios (bitfield) */
762 	__u32	     modulator;         /*  Associated modulator */
763 	v4l2_std_id  std;
764 	__u32	     reserved[4];
765 };
766 /*  Values for the 'type' field */
767 #define V4L2_OUTPUT_TYPE_MODULATOR		1
768 #define V4L2_OUTPUT_TYPE_ANALOG			2
769 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY	3
770 
771 /*
772  *	C O N T R O L S
773  */
774 struct v4l2_control {
775 	__u32		     id;
776 	__s32		     value;
777 };
778 
779 struct v4l2_ext_control {
780 	__u32 id;
781 	__u32 reserved2[2];
782 	union {
783 		__s32 value;
784 		__s64 value64;
785 		void *reserved;
786 	};
787 } __attribute__ ((packed));
788 
789 struct v4l2_ext_controls {
790 	__u32 ctrl_class;
791 	__u32 count;
792 	__u32 error_idx;
793 	__u32 reserved[2];
794 	struct v4l2_ext_control *controls;
795 };
796 
797 /*  Values for ctrl_class field */
798 #define V4L2_CTRL_CLASS_USER 0x00980000	/* Old-style 'user' controls */
799 #define V4L2_CTRL_CLASS_MPEG 0x00990000	/* MPEG-compression controls */
800 #define V4L2_CTRL_CLASS_CAMERA 0x009a0000	/* Camera class controls */
801 
802 #define V4L2_CTRL_ID_MASK      	  (0x0fffffff)
803 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
804 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
805 
806 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
807 struct v4l2_queryctrl {
808 	__u32		     id;
809 	enum v4l2_ctrl_type  type;
810 	__u8		     name[32];	/* Whatever */
811 	__s32		     minimum;	/* Note signedness */
812 	__s32		     maximum;
813 	__s32		     step;
814 	__s32		     default_value;
815 	__u32                flags;
816 	__u32		     reserved[2];
817 };
818 
819 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
820 struct v4l2_querymenu {
821 	__u32		id;
822 	__u32		index;
823 	__u8		name[32];	/* Whatever */
824 	__u32		reserved;
825 };
826 
827 /*  Control flags  */
828 #define V4L2_CTRL_FLAG_DISABLED		0x0001
829 #define V4L2_CTRL_FLAG_GRABBED		0x0002
830 #define V4L2_CTRL_FLAG_READ_ONLY 	0x0004
831 #define V4L2_CTRL_FLAG_UPDATE 		0x0008
832 #define V4L2_CTRL_FLAG_INACTIVE 	0x0010
833 #define V4L2_CTRL_FLAG_SLIDER 		0x0020
834 #define V4L2_CTRL_FLAG_WRITE_ONLY 	0x0040
835 
836 /*  Query flag, to be ORed with the control ID */
837 #define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
838 
839 /*  User-class control IDs defined by V4L2 */
840 #define V4L2_CID_BASE			(V4L2_CTRL_CLASS_USER | 0x900)
841 #define V4L2_CID_USER_BASE 		V4L2_CID_BASE
842 /*  IDs reserved for driver specific controls */
843 #define V4L2_CID_PRIVATE_BASE		0x08000000
844 
845 #define V4L2_CID_USER_CLASS 		(V4L2_CTRL_CLASS_USER | 1)
846 #define V4L2_CID_BRIGHTNESS		(V4L2_CID_BASE+0)
847 #define V4L2_CID_CONTRAST		(V4L2_CID_BASE+1)
848 #define V4L2_CID_SATURATION		(V4L2_CID_BASE+2)
849 #define V4L2_CID_HUE			(V4L2_CID_BASE+3)
850 #define V4L2_CID_AUDIO_VOLUME		(V4L2_CID_BASE+5)
851 #define V4L2_CID_AUDIO_BALANCE		(V4L2_CID_BASE+6)
852 #define V4L2_CID_AUDIO_BASS		(V4L2_CID_BASE+7)
853 #define V4L2_CID_AUDIO_TREBLE		(V4L2_CID_BASE+8)
854 #define V4L2_CID_AUDIO_MUTE		(V4L2_CID_BASE+9)
855 #define V4L2_CID_AUDIO_LOUDNESS		(V4L2_CID_BASE+10)
856 #define V4L2_CID_BLACK_LEVEL		(V4L2_CID_BASE+11) /* Deprecated */
857 #define V4L2_CID_AUTO_WHITE_BALANCE	(V4L2_CID_BASE+12)
858 #define V4L2_CID_DO_WHITE_BALANCE	(V4L2_CID_BASE+13)
859 #define V4L2_CID_RED_BALANCE		(V4L2_CID_BASE+14)
860 #define V4L2_CID_BLUE_BALANCE		(V4L2_CID_BASE+15)
861 #define V4L2_CID_GAMMA			(V4L2_CID_BASE+16)
862 #define V4L2_CID_WHITENESS		(V4L2_CID_GAMMA) /* Deprecated */
863 #define V4L2_CID_EXPOSURE		(V4L2_CID_BASE+17)
864 #define V4L2_CID_AUTOGAIN		(V4L2_CID_BASE+18)
865 #define V4L2_CID_GAIN			(V4L2_CID_BASE+19)
866 #define V4L2_CID_HFLIP			(V4L2_CID_BASE+20)
867 #define V4L2_CID_VFLIP			(V4L2_CID_BASE+21)
868 
869 /* Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET */
870 #define V4L2_CID_HCENTER		(V4L2_CID_BASE+22)
871 #define V4L2_CID_VCENTER		(V4L2_CID_BASE+23)
872 
873 #define V4L2_CID_POWER_LINE_FREQUENCY	(V4L2_CID_BASE+24)
874 enum v4l2_power_line_frequency {
875 	V4L2_CID_POWER_LINE_FREQUENCY_DISABLED	= 0,
876 	V4L2_CID_POWER_LINE_FREQUENCY_50HZ	= 1,
877 	V4L2_CID_POWER_LINE_FREQUENCY_60HZ	= 2,
878 };
879 #define V4L2_CID_HUE_AUTO			(V4L2_CID_BASE+25)
880 #define V4L2_CID_WHITE_BALANCE_TEMPERATURE	(V4L2_CID_BASE+26)
881 #define V4L2_CID_SHARPNESS			(V4L2_CID_BASE+27)
882 #define V4L2_CID_BACKLIGHT_COMPENSATION 	(V4L2_CID_BASE+28)
883 #define V4L2_CID_CHROMA_AGC                     (V4L2_CID_BASE+29)
884 #define V4L2_CID_COLOR_KILLER                   (V4L2_CID_BASE+30)
885 #define V4L2_CID_COLORFX			(V4L2_CID_BASE+31)
886 enum v4l2_colorfx {
887 	V4L2_COLORFX_NONE	= 0,
888 	V4L2_COLORFX_BW		= 1,
889 	V4L2_COLORFX_SEPIA	= 2,
890 };
891 
892 /* last CID + 1 */
893 #define V4L2_CID_LASTP1                         (V4L2_CID_BASE+32)
894 
895 /*  MPEG-class control IDs defined by V4L2 */
896 #define V4L2_CID_MPEG_BASE 			(V4L2_CTRL_CLASS_MPEG | 0x900)
897 #define V4L2_CID_MPEG_CLASS 			(V4L2_CTRL_CLASS_MPEG | 1)
898 
899 /*  MPEG streams */
900 #define V4L2_CID_MPEG_STREAM_TYPE 		(V4L2_CID_MPEG_BASE+0)
901 enum v4l2_mpeg_stream_type {
902 	V4L2_MPEG_STREAM_TYPE_MPEG2_PS   = 0, /* MPEG-2 program stream */
903 	V4L2_MPEG_STREAM_TYPE_MPEG2_TS   = 1, /* MPEG-2 transport stream */
904 	V4L2_MPEG_STREAM_TYPE_MPEG1_SS   = 2, /* MPEG-1 system stream */
905 	V4L2_MPEG_STREAM_TYPE_MPEG2_DVD  = 3, /* MPEG-2 DVD-compatible stream */
906 	V4L2_MPEG_STREAM_TYPE_MPEG1_VCD  = 4, /* MPEG-1 VCD-compatible stream */
907 	V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */
908 };
909 #define V4L2_CID_MPEG_STREAM_PID_PMT 		(V4L2_CID_MPEG_BASE+1)
910 #define V4L2_CID_MPEG_STREAM_PID_AUDIO 		(V4L2_CID_MPEG_BASE+2)
911 #define V4L2_CID_MPEG_STREAM_PID_VIDEO 		(V4L2_CID_MPEG_BASE+3)
912 #define V4L2_CID_MPEG_STREAM_PID_PCR 		(V4L2_CID_MPEG_BASE+4)
913 #define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO 	(V4L2_CID_MPEG_BASE+5)
914 #define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO 	(V4L2_CID_MPEG_BASE+6)
915 #define V4L2_CID_MPEG_STREAM_VBI_FMT 		(V4L2_CID_MPEG_BASE+7)
916 enum v4l2_mpeg_stream_vbi_fmt {
917 	V4L2_MPEG_STREAM_VBI_FMT_NONE = 0,  /* No VBI in the MPEG stream */
918 	V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1,  /* VBI in private packets, IVTV format */
919 };
920 
921 /*  MPEG audio */
922 #define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ 	(V4L2_CID_MPEG_BASE+100)
923 enum v4l2_mpeg_audio_sampling_freq {
924 	V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0,
925 	V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1,
926 	V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2,
927 };
928 #define V4L2_CID_MPEG_AUDIO_ENCODING 		(V4L2_CID_MPEG_BASE+101)
929 enum v4l2_mpeg_audio_encoding {
930 	V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0,
931 	V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1,
932 	V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2,
933 	V4L2_MPEG_AUDIO_ENCODING_AAC     = 3,
934 	V4L2_MPEG_AUDIO_ENCODING_AC3     = 4,
935 };
936 #define V4L2_CID_MPEG_AUDIO_L1_BITRATE 		(V4L2_CID_MPEG_BASE+102)
937 enum v4l2_mpeg_audio_l1_bitrate {
938 	V4L2_MPEG_AUDIO_L1_BITRATE_32K  = 0,
939 	V4L2_MPEG_AUDIO_L1_BITRATE_64K  = 1,
940 	V4L2_MPEG_AUDIO_L1_BITRATE_96K  = 2,
941 	V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3,
942 	V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4,
943 	V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5,
944 	V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6,
945 	V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7,
946 	V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8,
947 	V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9,
948 	V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10,
949 	V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11,
950 	V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12,
951 	V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13,
952 };
953 #define V4L2_CID_MPEG_AUDIO_L2_BITRATE 		(V4L2_CID_MPEG_BASE+103)
954 enum v4l2_mpeg_audio_l2_bitrate {
955 	V4L2_MPEG_AUDIO_L2_BITRATE_32K  = 0,
956 	V4L2_MPEG_AUDIO_L2_BITRATE_48K  = 1,
957 	V4L2_MPEG_AUDIO_L2_BITRATE_56K  = 2,
958 	V4L2_MPEG_AUDIO_L2_BITRATE_64K  = 3,
959 	V4L2_MPEG_AUDIO_L2_BITRATE_80K  = 4,
960 	V4L2_MPEG_AUDIO_L2_BITRATE_96K  = 5,
961 	V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6,
962 	V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7,
963 	V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8,
964 	V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9,
965 	V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10,
966 	V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11,
967 	V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12,
968 	V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13,
969 };
970 #define V4L2_CID_MPEG_AUDIO_L3_BITRATE 		(V4L2_CID_MPEG_BASE+104)
971 enum v4l2_mpeg_audio_l3_bitrate {
972 	V4L2_MPEG_AUDIO_L3_BITRATE_32K  = 0,
973 	V4L2_MPEG_AUDIO_L3_BITRATE_40K  = 1,
974 	V4L2_MPEG_AUDIO_L3_BITRATE_48K  = 2,
975 	V4L2_MPEG_AUDIO_L3_BITRATE_56K  = 3,
976 	V4L2_MPEG_AUDIO_L3_BITRATE_64K  = 4,
977 	V4L2_MPEG_AUDIO_L3_BITRATE_80K  = 5,
978 	V4L2_MPEG_AUDIO_L3_BITRATE_96K  = 6,
979 	V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7,
980 	V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8,
981 	V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9,
982 	V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10,
983 	V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11,
984 	V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12,
985 	V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13,
986 };
987 #define V4L2_CID_MPEG_AUDIO_MODE 		(V4L2_CID_MPEG_BASE+105)
988 enum v4l2_mpeg_audio_mode {
989 	V4L2_MPEG_AUDIO_MODE_STEREO       = 0,
990 	V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1,
991 	V4L2_MPEG_AUDIO_MODE_DUAL         = 2,
992 	V4L2_MPEG_AUDIO_MODE_MONO         = 3,
993 };
994 #define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION 	(V4L2_CID_MPEG_BASE+106)
995 enum v4l2_mpeg_audio_mode_extension {
996 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4  = 0,
997 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8  = 1,
998 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2,
999 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3,
1000 };
1001 #define V4L2_CID_MPEG_AUDIO_EMPHASIS 		(V4L2_CID_MPEG_BASE+107)
1002 enum v4l2_mpeg_audio_emphasis {
1003 	V4L2_MPEG_AUDIO_EMPHASIS_NONE         = 0,
1004 	V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1,
1005 	V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17    = 2,
1006 };
1007 #define V4L2_CID_MPEG_AUDIO_CRC 		(V4L2_CID_MPEG_BASE+108)
1008 enum v4l2_mpeg_audio_crc {
1009 	V4L2_MPEG_AUDIO_CRC_NONE  = 0,
1010 	V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
1011 };
1012 #define V4L2_CID_MPEG_AUDIO_MUTE 		(V4L2_CID_MPEG_BASE+109)
1013 #define V4L2_CID_MPEG_AUDIO_AAC_BITRATE		(V4L2_CID_MPEG_BASE+110)
1014 #define V4L2_CID_MPEG_AUDIO_AC3_BITRATE		(V4L2_CID_MPEG_BASE+111)
1015 enum v4l2_mpeg_audio_ac3_bitrate {
1016 	V4L2_MPEG_AUDIO_AC3_BITRATE_32K  = 0,
1017 	V4L2_MPEG_AUDIO_AC3_BITRATE_40K  = 1,
1018 	V4L2_MPEG_AUDIO_AC3_BITRATE_48K  = 2,
1019 	V4L2_MPEG_AUDIO_AC3_BITRATE_56K  = 3,
1020 	V4L2_MPEG_AUDIO_AC3_BITRATE_64K  = 4,
1021 	V4L2_MPEG_AUDIO_AC3_BITRATE_80K  = 5,
1022 	V4L2_MPEG_AUDIO_AC3_BITRATE_96K  = 6,
1023 	V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7,
1024 	V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8,
1025 	V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9,
1026 	V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10,
1027 	V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11,
1028 	V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12,
1029 	V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13,
1030 	V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14,
1031 	V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15,
1032 	V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16,
1033 	V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17,
1034 	V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18,
1035 };
1036 
1037 /*  MPEG video */
1038 #define V4L2_CID_MPEG_VIDEO_ENCODING 		(V4L2_CID_MPEG_BASE+200)
1039 enum v4l2_mpeg_video_encoding {
1040 	V4L2_MPEG_VIDEO_ENCODING_MPEG_1     = 0,
1041 	V4L2_MPEG_VIDEO_ENCODING_MPEG_2     = 1,
1042 	V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC = 2,
1043 };
1044 #define V4L2_CID_MPEG_VIDEO_ASPECT 		(V4L2_CID_MPEG_BASE+201)
1045 enum v4l2_mpeg_video_aspect {
1046 	V4L2_MPEG_VIDEO_ASPECT_1x1     = 0,
1047 	V4L2_MPEG_VIDEO_ASPECT_4x3     = 1,
1048 	V4L2_MPEG_VIDEO_ASPECT_16x9    = 2,
1049 	V4L2_MPEG_VIDEO_ASPECT_221x100 = 3,
1050 };
1051 #define V4L2_CID_MPEG_VIDEO_B_FRAMES 		(V4L2_CID_MPEG_BASE+202)
1052 #define V4L2_CID_MPEG_VIDEO_GOP_SIZE 		(V4L2_CID_MPEG_BASE+203)
1053 #define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE 	(V4L2_CID_MPEG_BASE+204)
1054 #define V4L2_CID_MPEG_VIDEO_PULLDOWN 		(V4L2_CID_MPEG_BASE+205)
1055 #define V4L2_CID_MPEG_VIDEO_BITRATE_MODE 	(V4L2_CID_MPEG_BASE+206)
1056 enum v4l2_mpeg_video_bitrate_mode {
1057 	V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0,
1058 	V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,
1059 };
1060 #define V4L2_CID_MPEG_VIDEO_BITRATE 		(V4L2_CID_MPEG_BASE+207)
1061 #define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK 	(V4L2_CID_MPEG_BASE+208)
1062 #define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209)
1063 #define V4L2_CID_MPEG_VIDEO_MUTE 		(V4L2_CID_MPEG_BASE+210)
1064 #define V4L2_CID_MPEG_VIDEO_MUTE_YUV 		(V4L2_CID_MPEG_BASE+211)
1065 
1066 /*  MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
1067 #define V4L2_CID_MPEG_CX2341X_BASE 				(V4L2_CTRL_CLASS_MPEG | 0x1000)
1068 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE 	(V4L2_CID_MPEG_CX2341X_BASE+0)
1069 enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {
1070 	V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0,
1071 	V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO   = 1,
1072 };
1073 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER 		(V4L2_CID_MPEG_CX2341X_BASE+1)
1074 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE 	(V4L2_CID_MPEG_CX2341X_BASE+2)
1075 enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type {
1076 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF                  = 0,
1077 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR               = 1,
1078 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT              = 2,
1079 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE      = 3,
1080 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4,
1081 };
1082 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE 	(V4L2_CID_MPEG_CX2341X_BASE+3)
1083 enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type {
1084 	V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF    = 0,
1085 	V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
1086 };
1087 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE 	(V4L2_CID_MPEG_CX2341X_BASE+4)
1088 enum v4l2_mpeg_cx2341x_video_temporal_filter_mode {
1089 	V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0,
1090 	V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO   = 1,
1091 };
1092 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER 		(V4L2_CID_MPEG_CX2341X_BASE+5)
1093 #define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE 		(V4L2_CID_MPEG_CX2341X_BASE+6)
1094 enum v4l2_mpeg_cx2341x_video_median_filter_type {
1095 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF      = 0,
1096 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR      = 1,
1097 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT     = 2,
1098 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3,
1099 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG     = 4,
1100 };
1101 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM 	(V4L2_CID_MPEG_CX2341X_BASE+7)
1102 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP 	(V4L2_CID_MPEG_CX2341X_BASE+8)
1103 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM	(V4L2_CID_MPEG_CX2341X_BASE+9)
1104 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP 	(V4L2_CID_MPEG_CX2341X_BASE+10)
1105 #define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS 	(V4L2_CID_MPEG_CX2341X_BASE+11)
1106 
1107 /*  Camera class control IDs */
1108 #define V4L2_CID_CAMERA_CLASS_BASE 	(V4L2_CTRL_CLASS_CAMERA | 0x900)
1109 #define V4L2_CID_CAMERA_CLASS 		(V4L2_CTRL_CLASS_CAMERA | 1)
1110 
1111 #define V4L2_CID_EXPOSURE_AUTO			(V4L2_CID_CAMERA_CLASS_BASE+1)
1112 enum  v4l2_exposure_auto_type {
1113 	V4L2_EXPOSURE_AUTO = 0,
1114 	V4L2_EXPOSURE_MANUAL = 1,
1115 	V4L2_EXPOSURE_SHUTTER_PRIORITY = 2,
1116 	V4L2_EXPOSURE_APERTURE_PRIORITY = 3
1117 };
1118 #define V4L2_CID_EXPOSURE_ABSOLUTE		(V4L2_CID_CAMERA_CLASS_BASE+2)
1119 #define V4L2_CID_EXPOSURE_AUTO_PRIORITY		(V4L2_CID_CAMERA_CLASS_BASE+3)
1120 
1121 #define V4L2_CID_PAN_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+4)
1122 #define V4L2_CID_TILT_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+5)
1123 #define V4L2_CID_PAN_RESET			(V4L2_CID_CAMERA_CLASS_BASE+6)
1124 #define V4L2_CID_TILT_RESET			(V4L2_CID_CAMERA_CLASS_BASE+7)
1125 
1126 #define V4L2_CID_PAN_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+8)
1127 #define V4L2_CID_TILT_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+9)
1128 
1129 #define V4L2_CID_FOCUS_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+10)
1130 #define V4L2_CID_FOCUS_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+11)
1131 #define V4L2_CID_FOCUS_AUTO			(V4L2_CID_CAMERA_CLASS_BASE+12)
1132 
1133 #define V4L2_CID_ZOOM_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+13)
1134 #define V4L2_CID_ZOOM_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+14)
1135 #define V4L2_CID_ZOOM_CONTINUOUS		(V4L2_CID_CAMERA_CLASS_BASE+15)
1136 
1137 #define V4L2_CID_PRIVACY			(V4L2_CID_CAMERA_CLASS_BASE+16)
1138 
1139 /*
1140  *	T U N I N G
1141  */
1142 struct v4l2_tuner {
1143 	__u32                   index;
1144 	__u8			name[32];
1145 	enum v4l2_tuner_type    type;
1146 	__u32			capability;
1147 	__u32			rangelow;
1148 	__u32			rangehigh;
1149 	__u32			rxsubchans;
1150 	__u32			audmode;
1151 	__s32			signal;
1152 	__s32			afc;
1153 	__u32			reserved[4];
1154 };
1155 
1156 struct v4l2_modulator {
1157 	__u32			index;
1158 	__u8			name[32];
1159 	__u32			capability;
1160 	__u32			rangelow;
1161 	__u32			rangehigh;
1162 	__u32			txsubchans;
1163 	__u32			reserved[4];
1164 };
1165 
1166 /*  Flags for the 'capability' field */
1167 #define V4L2_TUNER_CAP_LOW		0x0001
1168 #define V4L2_TUNER_CAP_NORM		0x0002
1169 #define V4L2_TUNER_CAP_STEREO		0x0010
1170 #define V4L2_TUNER_CAP_LANG2		0x0020
1171 #define V4L2_TUNER_CAP_SAP		0x0020
1172 #define V4L2_TUNER_CAP_LANG1		0x0040
1173 
1174 /*  Flags for the 'rxsubchans' field */
1175 #define V4L2_TUNER_SUB_MONO		0x0001
1176 #define V4L2_TUNER_SUB_STEREO		0x0002
1177 #define V4L2_TUNER_SUB_LANG2		0x0004
1178 #define V4L2_TUNER_SUB_SAP		0x0004
1179 #define V4L2_TUNER_SUB_LANG1		0x0008
1180 
1181 /*  Values for the 'audmode' field */
1182 #define V4L2_TUNER_MODE_MONO		0x0000
1183 #define V4L2_TUNER_MODE_STEREO		0x0001
1184 #define V4L2_TUNER_MODE_LANG2		0x0002
1185 #define V4L2_TUNER_MODE_SAP		0x0002
1186 #define V4L2_TUNER_MODE_LANG1		0x0003
1187 #define V4L2_TUNER_MODE_LANG1_LANG2	0x0004
1188 
1189 struct v4l2_frequency {
1190 	__u32		      tuner;
1191 	enum v4l2_tuner_type  type;
1192 	__u32		      frequency;
1193 	__u32		      reserved[8];
1194 };
1195 
1196 struct v4l2_hw_freq_seek {
1197 	__u32		      tuner;
1198 	enum v4l2_tuner_type  type;
1199 	__u32		      seek_upward;
1200 	__u32		      wrap_around;
1201 	__u32		      reserved[8];
1202 };
1203 
1204 /*
1205  *	A U D I O
1206  */
1207 struct v4l2_audio {
1208 	__u32	index;
1209 	__u8	name[32];
1210 	__u32	capability;
1211 	__u32	mode;
1212 	__u32	reserved[2];
1213 };
1214 
1215 /*  Flags for the 'capability' field */
1216 #define V4L2_AUDCAP_STEREO		0x00001
1217 #define V4L2_AUDCAP_AVL			0x00002
1218 
1219 /*  Flags for the 'mode' field */
1220 #define V4L2_AUDMODE_AVL		0x00001
1221 
1222 struct v4l2_audioout {
1223 	__u32	index;
1224 	__u8	name[32];
1225 	__u32	capability;
1226 	__u32	mode;
1227 	__u32	reserved[2];
1228 };
1229 
1230 /*
1231  *	M P E G   S E R V I C E S
1232  *
1233  *	NOTE: EXPERIMENTAL API
1234  */
1235 #if 1
1236 #define V4L2_ENC_IDX_FRAME_I    (0)
1237 #define V4L2_ENC_IDX_FRAME_P    (1)
1238 #define V4L2_ENC_IDX_FRAME_B    (2)
1239 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1240 
1241 struct v4l2_enc_idx_entry {
1242 	__u64 offset;
1243 	__u64 pts;
1244 	__u32 length;
1245 	__u32 flags;
1246 	__u32 reserved[2];
1247 };
1248 
1249 #define V4L2_ENC_IDX_ENTRIES (64)
1250 struct v4l2_enc_idx {
1251 	__u32 entries;
1252 	__u32 entries_cap;
1253 	__u32 reserved[4];
1254 	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1255 };
1256 
1257 
1258 #define V4L2_ENC_CMD_START      (0)
1259 #define V4L2_ENC_CMD_STOP       (1)
1260 #define V4L2_ENC_CMD_PAUSE      (2)
1261 #define V4L2_ENC_CMD_RESUME     (3)
1262 
1263 /* Flags for V4L2_ENC_CMD_STOP */
1264 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
1265 
1266 struct v4l2_encoder_cmd {
1267 	__u32 cmd;
1268 	__u32 flags;
1269 	union {
1270 		struct {
1271 			__u32 data[8];
1272 		} raw;
1273 	};
1274 };
1275 
1276 #endif
1277 
1278 
1279 /*
1280  *	D A T A   S E R V I C E S   ( V B I )
1281  *
1282  *	Data services API by Michael Schimek
1283  */
1284 
1285 /* Raw VBI */
1286 struct v4l2_vbi_format {
1287 	__u32	sampling_rate;		/* in 1 Hz */
1288 	__u32	offset;
1289 	__u32	samples_per_line;
1290 	__u32	sample_format;		/* V4L2_PIX_FMT_* */
1291 	__s32	start[2];
1292 	__u32	count[2];
1293 	__u32	flags;			/* V4L2_VBI_* */
1294 	__u32	reserved[2];		/* must be zero */
1295 };
1296 
1297 /*  VBI flags  */
1298 #define V4L2_VBI_UNSYNC		(1 << 0)
1299 #define V4L2_VBI_INTERLACED	(1 << 1)
1300 
1301 /* Sliced VBI
1302  *
1303  *    This implements is a proposal V4L2 API to allow SLICED VBI
1304  * required for some hardware encoders. It should change without
1305  * notice in the definitive implementation.
1306  */
1307 
1308 struct v4l2_sliced_vbi_format {
1309 	__u16   service_set;
1310 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1311 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1312 				 (equals frame lines 313-336 for 625 line video
1313 				  standards, 263-286 for 525 line standards) */
1314 	__u16   service_lines[2][24];
1315 	__u32   io_size;
1316 	__u32   reserved[2];            /* must be zero */
1317 };
1318 
1319 /* Teletext World System Teletext
1320    (WST), defined on ITU-R BT.653-2 */
1321 #define V4L2_SLICED_TELETEXT_B          (0x0001)
1322 /* Video Program System, defined on ETS 300 231*/
1323 #define V4L2_SLICED_VPS                 (0x0400)
1324 /* Closed Caption, defined on EIA-608 */
1325 #define V4L2_SLICED_CAPTION_525         (0x1000)
1326 /* Wide Screen System, defined on ITU-R BT1119.1 */
1327 #define V4L2_SLICED_WSS_625             (0x4000)
1328 
1329 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
1330 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1331 
1332 struct v4l2_sliced_vbi_cap {
1333 	__u16   service_set;
1334 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1335 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1336 				 (equals frame lines 313-336 for 625 line video
1337 				  standards, 263-286 for 525 line standards) */
1338 	__u16   service_lines[2][24];
1339 	enum v4l2_buf_type type;
1340 	__u32   reserved[3];    /* must be 0 */
1341 };
1342 
1343 struct v4l2_sliced_vbi_data {
1344 	__u32   id;
1345 	__u32   field;          /* 0: first field, 1: second field */
1346 	__u32   line;           /* 1-23 */
1347 	__u32   reserved;       /* must be 0 */
1348 	__u8    data[48];
1349 };
1350 
1351 /*
1352  * Sliced VBI data inserted into MPEG Streams
1353  */
1354 
1355 /*
1356  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1357  *
1358  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1359  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1360  * data
1361  *
1362  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1363  * definitions are not included here.  See the MPEG-2 specifications for details
1364  * on these headers.
1365  */
1366 
1367 /* Line type IDs */
1368 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
1369 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
1370 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
1371 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
1372 
1373 struct v4l2_mpeg_vbi_itv0_line {
1374 	__u8 id;	/* One of V4L2_MPEG_VBI_IVTV_* above */
1375 	__u8 data[42];	/* Sliced VBI data for the line */
1376 } __attribute__ ((packed));
1377 
1378 struct v4l2_mpeg_vbi_itv0 {
1379 	__le32 linemask[2]; /* Bitmasks of VBI service lines present */
1380 	struct v4l2_mpeg_vbi_itv0_line line[35];
1381 } __attribute__ ((packed));
1382 
1383 struct v4l2_mpeg_vbi_ITV0 {
1384 	struct v4l2_mpeg_vbi_itv0_line line[36];
1385 } __attribute__ ((packed));
1386 
1387 #define V4L2_MPEG_VBI_IVTV_MAGIC0	"itv0"
1388 #define V4L2_MPEG_VBI_IVTV_MAGIC1	"ITV0"
1389 
1390 struct v4l2_mpeg_vbi_fmt_ivtv {
1391 	__u8 magic[4];
1392 	union {
1393 		struct v4l2_mpeg_vbi_itv0 itv0;
1394 		struct v4l2_mpeg_vbi_ITV0 ITV0;
1395 	};
1396 } __attribute__ ((packed));
1397 
1398 /*
1399  *	A G G R E G A T E   S T R U C T U R E S
1400  */
1401 
1402 /*	Stream data format
1403  */
1404 struct v4l2_format {
1405 	enum v4l2_buf_type type;
1406 	union {
1407 		struct v4l2_pix_format		pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
1408 		struct v4l2_window		win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
1409 		struct v4l2_vbi_format		vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
1410 		struct v4l2_sliced_vbi_format	sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
1411 		__u8	raw_data[200];                   /* user-defined */
1412 	} fmt;
1413 };
1414 
1415 
1416 /*	Stream type-dependent parameters
1417  */
1418 struct v4l2_streamparm {
1419 	enum v4l2_buf_type type;
1420 	union {
1421 		struct v4l2_captureparm	capture;
1422 		struct v4l2_outputparm	output;
1423 		__u8	raw_data[200];  /* user-defined */
1424 	} parm;
1425 };
1426 
1427 /*
1428  *	A D V A N C E D   D E B U G G I N G
1429  *
1430  *	NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
1431  *	FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
1432  */
1433 
1434 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
1435 
1436 #define V4L2_CHIP_MATCH_HOST       0  /* Match against chip ID on host (0 for the host) */
1437 #define V4L2_CHIP_MATCH_I2C_DRIVER 1  /* Match against I2C driver name */
1438 #define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
1439 #define V4L2_CHIP_MATCH_AC97       3  /* Match against anciliary AC97 chip */
1440 
1441 struct v4l2_dbg_match {
1442 	__u32 type; /* Match type */
1443 	union {     /* Match this chip, meaning determined by type */
1444 		__u32 addr;
1445 		char name[32];
1446 	};
1447 } __attribute__ ((packed));
1448 
1449 struct v4l2_dbg_register {
1450 	struct v4l2_dbg_match match;
1451 	__u32 size;	/* register size in bytes */
1452 	__u64 reg;
1453 	__u64 val;
1454 } __attribute__ ((packed));
1455 
1456 /* VIDIOC_DBG_G_CHIP_IDENT */
1457 struct v4l2_dbg_chip_ident {
1458 	struct v4l2_dbg_match match;
1459 	__u32 ident;       /* chip identifier as specified in <media/v4l2-chip-ident.h> */
1460 	__u32 revision;    /* chip revision, chip specific */
1461 } __attribute__ ((packed));
1462 
1463 /*
1464  *	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
1465  *
1466  */
1467 #define VIDIOC_QUERYCAP		 _IOR('V',  0, struct v4l2_capability)
1468 #define VIDIOC_RESERVED		  _IO('V',  1)
1469 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
1470 #define VIDIOC_G_FMT		_IOWR('V',  4, struct v4l2_format)
1471 #define VIDIOC_S_FMT		_IOWR('V',  5, struct v4l2_format)
1472 #define VIDIOC_REQBUFS		_IOWR('V',  8, struct v4l2_requestbuffers)
1473 #define VIDIOC_QUERYBUF		_IOWR('V',  9, struct v4l2_buffer)
1474 #define VIDIOC_G_FBUF		 _IOR('V', 10, struct v4l2_framebuffer)
1475 #define VIDIOC_S_FBUF		 _IOW('V', 11, struct v4l2_framebuffer)
1476 #define VIDIOC_OVERLAY		 _IOW('V', 14, int)
1477 #define VIDIOC_QBUF		_IOWR('V', 15, struct v4l2_buffer)
1478 #define VIDIOC_DQBUF		_IOWR('V', 17, struct v4l2_buffer)
1479 #define VIDIOC_STREAMON		 _IOW('V', 18, int)
1480 #define VIDIOC_STREAMOFF	 _IOW('V', 19, int)
1481 #define VIDIOC_G_PARM		_IOWR('V', 21, struct v4l2_streamparm)
1482 #define VIDIOC_S_PARM		_IOWR('V', 22, struct v4l2_streamparm)
1483 #define VIDIOC_G_STD		 _IOR('V', 23, v4l2_std_id)
1484 #define VIDIOC_S_STD		 _IOW('V', 24, v4l2_std_id)
1485 #define VIDIOC_ENUMSTD		_IOWR('V', 25, struct v4l2_standard)
1486 #define VIDIOC_ENUMINPUT	_IOWR('V', 26, struct v4l2_input)
1487 #define VIDIOC_G_CTRL		_IOWR('V', 27, struct v4l2_control)
1488 #define VIDIOC_S_CTRL		_IOWR('V', 28, struct v4l2_control)
1489 #define VIDIOC_G_TUNER		_IOWR('V', 29, struct v4l2_tuner)
1490 #define VIDIOC_S_TUNER		 _IOW('V', 30, struct v4l2_tuner)
1491 #define VIDIOC_G_AUDIO		 _IOR('V', 33, struct v4l2_audio)
1492 #define VIDIOC_S_AUDIO		 _IOW('V', 34, struct v4l2_audio)
1493 #define VIDIOC_QUERYCTRL	_IOWR('V', 36, struct v4l2_queryctrl)
1494 #define VIDIOC_QUERYMENU	_IOWR('V', 37, struct v4l2_querymenu)
1495 #define VIDIOC_G_INPUT		 _IOR('V', 38, int)
1496 #define VIDIOC_S_INPUT		_IOWR('V', 39, int)
1497 #define VIDIOC_G_OUTPUT		 _IOR('V', 46, int)
1498 #define VIDIOC_S_OUTPUT		_IOWR('V', 47, int)
1499 #define VIDIOC_ENUMOUTPUT	_IOWR('V', 48, struct v4l2_output)
1500 #define VIDIOC_G_AUDOUT		 _IOR('V', 49, struct v4l2_audioout)
1501 #define VIDIOC_S_AUDOUT		 _IOW('V', 50, struct v4l2_audioout)
1502 #define VIDIOC_G_MODULATOR	_IOWR('V', 54, struct v4l2_modulator)
1503 #define VIDIOC_S_MODULATOR	 _IOW('V', 55, struct v4l2_modulator)
1504 #define VIDIOC_G_FREQUENCY	_IOWR('V', 56, struct v4l2_frequency)
1505 #define VIDIOC_S_FREQUENCY	 _IOW('V', 57, struct v4l2_frequency)
1506 #define VIDIOC_CROPCAP		_IOWR('V', 58, struct v4l2_cropcap)
1507 #define VIDIOC_G_CROP		_IOWR('V', 59, struct v4l2_crop)
1508 #define VIDIOC_S_CROP		 _IOW('V', 60, struct v4l2_crop)
1509 #define VIDIOC_G_JPEGCOMP	 _IOR('V', 61, struct v4l2_jpegcompression)
1510 #define VIDIOC_S_JPEGCOMP	 _IOW('V', 62, struct v4l2_jpegcompression)
1511 #define VIDIOC_QUERYSTD      	 _IOR('V', 63, v4l2_std_id)
1512 #define VIDIOC_TRY_FMT      	_IOWR('V', 64, struct v4l2_format)
1513 #define VIDIOC_ENUMAUDIO	_IOWR('V', 65, struct v4l2_audio)
1514 #define VIDIOC_ENUMAUDOUT	_IOWR('V', 66, struct v4l2_audioout)
1515 #define VIDIOC_G_PRIORITY        _IOR('V', 67, enum v4l2_priority)
1516 #define VIDIOC_S_PRIORITY        _IOW('V', 68, enum v4l2_priority)
1517 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
1518 #define VIDIOC_LOG_STATUS         _IO('V', 70)
1519 #define VIDIOC_G_EXT_CTRLS	_IOWR('V', 71, struct v4l2_ext_controls)
1520 #define VIDIOC_S_EXT_CTRLS	_IOWR('V', 72, struct v4l2_ext_controls)
1521 #define VIDIOC_TRY_EXT_CTRLS	_IOWR('V', 73, struct v4l2_ext_controls)
1522 #if 1
1523 #define VIDIOC_ENUM_FRAMESIZES	_IOWR('V', 74, struct v4l2_frmsizeenum)
1524 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
1525 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
1526 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
1527 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
1528 #endif
1529 
1530 #if 1
1531 /* Experimental, meant for debugging, testing and internal use.
1532    Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
1533    You must be root to use these ioctls. Never use these in applications! */
1534 #define	VIDIOC_DBG_S_REGISTER 	 _IOW('V', 79, struct v4l2_dbg_register)
1535 #define	VIDIOC_DBG_G_REGISTER 	_IOWR('V', 80, struct v4l2_dbg_register)
1536 
1537 /* Experimental, meant for debugging, testing and internal use.
1538    Never use this ioctl in applications! */
1539 #define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident)
1540 #endif
1541 
1542 #define VIDIOC_S_HW_FREQ_SEEK	 _IOW('V', 82, struct v4l2_hw_freq_seek)
1543 /* Reminder: when adding new ioctls please add support for them to
1544    drivers/media/video/v4l2-compat-ioctl32.c as well! */
1545 
1546 #ifdef __OLD_VIDIOC_
1547 /* for compatibility, will go away some day */
1548 #define VIDIOC_OVERLAY_OLD     	_IOWR('V', 14, int)
1549 #define VIDIOC_S_PARM_OLD      	 _IOW('V', 22, struct v4l2_streamparm)
1550 #define VIDIOC_S_CTRL_OLD      	 _IOW('V', 28, struct v4l2_control)
1551 #define VIDIOC_G_AUDIO_OLD     	_IOWR('V', 33, struct v4l2_audio)
1552 #define VIDIOC_G_AUDOUT_OLD    	_IOWR('V', 49, struct v4l2_audioout)
1553 #define VIDIOC_CROPCAP_OLD     	 _IOR('V', 58, struct v4l2_cropcap)
1554 #endif
1555 
1556 #define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
1557 
1558 #endif /* __LINUX_VIDEODEV2_H */
1559