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1 | #ifndef __LINUX_VIDEODEV2_H |
2 | #define __LINUX_VIDEODEV2_H | |
3 | /* | |
4 | * Video for Linux Two | |
5 | * | |
6 | * Header file for v4l or V4L2 drivers and applications, for | |
7 | * Linux kernels 2.2.x or 2.4.x. | |
8 | * | |
9 | * See http://bytesex.org/v4l/ for API specs and other | |
10 | * v4l2 documentation. | |
11 | * | |
12 | * Author: Bill Dirks <bdirks@pacbell.net> | |
13 | * Justin Schoeman | |
14 | * et al. | |
15 | */ | |
16 | #ifdef __KERNEL__ | |
17 | #include <linux/time.h> /* need struct timeval */ | |
18 | #endif | |
19 | #include <linux/compiler.h> /* need __user */ | |
20 | ||
21 | /* | |
22 | * M I S C E L L A N E O U S | |
23 | */ | |
24 | ||
25 | /* Four-character-code (FOURCC) */ | |
26 | #define v4l2_fourcc(a,b,c,d)\ | |
27 | (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24)) | |
28 | ||
29 | /* | |
30 | * E N U M S | |
31 | */ | |
32 | enum v4l2_field { | |
33 | V4L2_FIELD_ANY = 0, /* driver can choose from none, | |
34 | top, bottom, interlaced | |
35 | depending on whatever it thinks | |
36 | is approximate ... */ | |
37 | V4L2_FIELD_NONE = 1, /* this device has no fields ... */ | |
38 | V4L2_FIELD_TOP = 2, /* top field only */ | |
39 | V4L2_FIELD_BOTTOM = 3, /* bottom field only */ | |
40 | V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ | |
41 | V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one | |
42 | buffer, top-bottom order */ | |
43 | V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ | |
44 | V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into | |
45 | separate buffers */ | |
46 | }; | |
47 | #define V4L2_FIELD_HAS_TOP(field) \ | |
48 | ((field) == V4L2_FIELD_TOP ||\ | |
49 | (field) == V4L2_FIELD_INTERLACED ||\ | |
50 | (field) == V4L2_FIELD_SEQ_TB ||\ | |
51 | (field) == V4L2_FIELD_SEQ_BT) | |
52 | #define V4L2_FIELD_HAS_BOTTOM(field) \ | |
53 | ((field) == V4L2_FIELD_BOTTOM ||\ | |
54 | (field) == V4L2_FIELD_INTERLACED ||\ | |
55 | (field) == V4L2_FIELD_SEQ_TB ||\ | |
56 | (field) == V4L2_FIELD_SEQ_BT) | |
57 | #define V4L2_FIELD_HAS_BOTH(field) \ | |
58 | ((field) == V4L2_FIELD_INTERLACED ||\ | |
59 | (field) == V4L2_FIELD_SEQ_TB ||\ | |
60 | (field) == V4L2_FIELD_SEQ_BT) | |
61 | ||
62 | enum v4l2_buf_type { | |
63 | V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, | |
64 | V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, | |
65 | V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, | |
66 | V4L2_BUF_TYPE_VBI_CAPTURE = 4, | |
67 | V4L2_BUF_TYPE_VBI_OUTPUT = 5, | |
68 | V4L2_BUF_TYPE_PRIVATE = 0x80, | |
69 | }; | |
70 | ||
71 | enum v4l2_ctrl_type { | |
72 | V4L2_CTRL_TYPE_INTEGER = 1, | |
73 | V4L2_CTRL_TYPE_BOOLEAN = 2, | |
74 | V4L2_CTRL_TYPE_MENU = 3, | |
75 | V4L2_CTRL_TYPE_BUTTON = 4, | |
76 | }; | |
77 | ||
78 | enum v4l2_tuner_type { | |
79 | V4L2_TUNER_RADIO = 1, | |
80 | V4L2_TUNER_ANALOG_TV = 2, | |
81 | V4L2_TUNER_DIGITAL_TV = 3, | |
82 | }; | |
83 | ||
84 | enum v4l2_memory { | |
85 | V4L2_MEMORY_MMAP = 1, | |
86 | V4L2_MEMORY_USERPTR = 2, | |
87 | V4L2_MEMORY_OVERLAY = 3, | |
88 | }; | |
89 | ||
90 | /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ | |
91 | enum v4l2_colorspace { | |
92 | /* ITU-R 601 -- broadcast NTSC/PAL */ | |
93 | V4L2_COLORSPACE_SMPTE170M = 1, | |
94 | ||
95 | /* 1125-Line (US) HDTV */ | |
96 | V4L2_COLORSPACE_SMPTE240M = 2, | |
97 | ||
98 | /* HD and modern captures. */ | |
99 | V4L2_COLORSPACE_REC709 = 3, | |
100 | ||
101 | /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ | |
102 | V4L2_COLORSPACE_BT878 = 4, | |
103 | ||
104 | /* These should be useful. Assume 601 extents. */ | |
105 | V4L2_COLORSPACE_470_SYSTEM_M = 5, | |
106 | V4L2_COLORSPACE_470_SYSTEM_BG = 6, | |
107 | ||
108 | /* I know there will be cameras that send this. So, this is | |
109 | * unspecified chromaticities and full 0-255 on each of the | |
110 | * Y'CbCr components | |
111 | */ | |
112 | V4L2_COLORSPACE_JPEG = 7, | |
113 | ||
114 | /* For RGB colourspaces, this is probably a good start. */ | |
115 | V4L2_COLORSPACE_SRGB = 8, | |
116 | }; | |
117 | ||
118 | enum v4l2_priority { | |
119 | V4L2_PRIORITY_UNSET = 0, /* not initialized */ | |
120 | V4L2_PRIORITY_BACKGROUND = 1, | |
121 | V4L2_PRIORITY_INTERACTIVE = 2, | |
122 | V4L2_PRIORITY_RECORD = 3, | |
123 | V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, | |
124 | }; | |
125 | ||
126 | struct v4l2_rect { | |
127 | __s32 left; | |
128 | __s32 top; | |
129 | __s32 width; | |
130 | __s32 height; | |
131 | }; | |
132 | ||
133 | struct v4l2_fract { | |
134 | __u32 numerator; | |
135 | __u32 denominator; | |
136 | }; | |
137 | ||
138 | /* | |
139 | * D R I V E R C A P A B I L I T I E S | |
140 | */ | |
141 | struct v4l2_capability | |
142 | { | |
143 | __u8 driver[16]; /* i.e. "bttv" */ | |
144 | __u8 card[32]; /* i.e. "Hauppauge WinTV" */ | |
145 | __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */ | |
146 | __u32 version; /* should use KERNEL_VERSION() */ | |
147 | __u32 capabilities; /* Device capabilities */ | |
148 | __u32 reserved[4]; | |
149 | }; | |
150 | ||
151 | /* Values for 'capabilities' field */ | |
152 | #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ | |
153 | #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ | |
154 | #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ | |
155 | #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a VBI capture device */ | |
156 | #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a VBI output device */ | |
157 | #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ | |
158 | ||
159 | #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ | |
160 | #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ | |
161 | #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ | |
162 | ||
163 | #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ | |
164 | #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ | |
165 | #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ | |
166 | ||
167 | /* | |
168 | * V I D E O I M A G E F O R M A T | |
169 | */ | |
170 | ||
171 | struct v4l2_pix_format | |
172 | { | |
173 | __u32 width; | |
174 | __u32 height; | |
175 | __u32 pixelformat; | |
176 | enum v4l2_field field; | |
177 | __u32 bytesperline; /* for padding, zero if unused */ | |
178 | __u32 sizeimage; | |
179 | enum v4l2_colorspace colorspace; | |
180 | __u32 priv; /* private data, depends on pixelformat */ | |
181 | }; | |
182 | ||
183 | /* Pixel format FOURCC depth Description */ | |
184 | #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */ | |
185 | #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */ | |
186 | #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */ | |
187 | #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */ | |
188 | #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */ | |
189 | #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */ | |
190 | #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */ | |
191 | #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */ | |
192 | #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */ | |
193 | #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */ | |
194 | #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */ | |
195 | #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */ | |
196 | #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */ | |
197 | #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */ | |
198 | #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */ | |
199 | #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */ | |
200 | #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */ | |
201 | ||
202 | /* two planes -- one Y, one Cr + Cb interleaved */ | |
203 | #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */ | |
204 | #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */ | |
205 | ||
206 | /* The following formats are not defined in the V4L2 specification */ | |
207 | #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */ | |
208 | #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */ | |
209 | #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */ | |
210 | #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */ | |
211 | ||
212 | /* see http://www.siliconimaging.com/RGB%20Bayer.htm */ | |
213 | #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */ | |
214 | ||
215 | /* compressed formats */ | |
216 | #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */ | |
217 | #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */ | |
218 | #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */ | |
219 | #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */ | |
220 | ||
221 | /* Vendor-specific formats */ | |
222 | #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */ | |
223 | #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */ | |
115d6f3f MCC |
224 | #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */ |
225 | #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */ | |
1da177e4 LT |
226 | |
227 | /* | |
228 | * F O R M A T E N U M E R A T I O N | |
229 | */ | |
230 | struct v4l2_fmtdesc | |
231 | { | |
232 | __u32 index; /* Format number */ | |
233 | enum v4l2_buf_type type; /* buffer type */ | |
234 | __u32 flags; | |
235 | __u8 description[32]; /* Description string */ | |
236 | __u32 pixelformat; /* Format fourcc */ | |
237 | __u32 reserved[4]; | |
238 | }; | |
239 | ||
240 | #define V4L2_FMT_FLAG_COMPRESSED 0x0001 | |
241 | ||
242 | ||
243 | /* | |
244 | * T I M E C O D E | |
245 | */ | |
246 | struct v4l2_timecode | |
247 | { | |
248 | __u32 type; | |
249 | __u32 flags; | |
250 | __u8 frames; | |
251 | __u8 seconds; | |
252 | __u8 minutes; | |
253 | __u8 hours; | |
254 | __u8 userbits[4]; | |
255 | }; | |
256 | ||
257 | /* Type */ | |
258 | #define V4L2_TC_TYPE_24FPS 1 | |
259 | #define V4L2_TC_TYPE_25FPS 2 | |
260 | #define V4L2_TC_TYPE_30FPS 3 | |
261 | #define V4L2_TC_TYPE_50FPS 4 | |
262 | #define V4L2_TC_TYPE_60FPS 5 | |
263 | ||
264 | /* Flags */ | |
265 | #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ | |
266 | #define V4L2_TC_FLAG_COLORFRAME 0x0002 | |
267 | #define V4L2_TC_USERBITS_field 0x000C | |
268 | #define V4L2_TC_USERBITS_USERDEFINED 0x0000 | |
269 | #define V4L2_TC_USERBITS_8BITCHARS 0x0008 | |
270 | /* The above is based on SMPTE timecodes */ | |
271 | ||
272 | ||
273 | #if 1 | |
274 | /* | |
275 | * M P E G C O M P R E S S I O N P A R A M E T E R S | |
276 | * | |
277 | * ### WARNING: this is still work-in-progress right now, most likely | |
278 | * ### there will be some incompatible changes. | |
279 | * | |
280 | */ | |
281 | ||
282 | ||
283 | enum v4l2_bitrate_mode { | |
284 | V4L2_BITRATE_NONE = 0, /* not specified */ | |
285 | V4L2_BITRATE_CBR, /* constant bitrate */ | |
286 | V4L2_BITRATE_VBR, /* variable bitrate */ | |
287 | }; | |
288 | struct v4l2_bitrate { | |
289 | /* rates are specified in kbit/sec */ | |
290 | enum v4l2_bitrate_mode mode; | |
291 | __u32 min; | |
292 | __u32 target; /* use this one for CBR */ | |
293 | __u32 max; | |
294 | }; | |
295 | ||
296 | enum v4l2_mpeg_streamtype { | |
297 | V4L2_MPEG_SS_1, /* MPEG-1 system stream */ | |
298 | V4L2_MPEG_PS_2, /* MPEG-2 program stream */ | |
299 | V4L2_MPEG_TS_2, /* MPEG-2 transport stream */ | |
300 | V4L2_MPEG_PS_DVD, /* MPEG-2 program stream with DVD header fixups */ | |
301 | }; | |
302 | enum v4l2_mpeg_audiotype { | |
303 | V4L2_MPEG_AU_2_I, /* MPEG-2 layer 1 */ | |
304 | V4L2_MPEG_AU_2_II, /* MPEG-2 layer 2 */ | |
305 | V4L2_MPEG_AU_2_III, /* MPEG-2 layer 3 */ | |
306 | V4L2_MPEG_AC3, /* AC3 */ | |
307 | V4L2_MPEG_LPCM, /* LPCM */ | |
308 | }; | |
309 | enum v4l2_mpeg_videotype { | |
310 | V4L2_MPEG_VI_1, /* MPEG-1 */ | |
311 | V4L2_MPEG_VI_2, /* MPEG-2 */ | |
312 | }; | |
313 | enum v4l2_mpeg_aspectratio { | |
314 | V4L2_MPEG_ASPECT_SQUARE = 1, /* square pixel */ | |
315 | V4L2_MPEG_ASPECT_4_3 = 2, /* 4 : 3 */ | |
316 | V4L2_MPEG_ASPECT_16_9 = 3, /* 16 : 9 */ | |
317 | V4L2_MPEG_ASPECT_1_221 = 4, /* 1 : 2,21 */ | |
318 | }; | |
319 | ||
320 | struct v4l2_mpeg_compression { | |
321 | /* general */ | |
322 | enum v4l2_mpeg_streamtype st_type; | |
323 | struct v4l2_bitrate st_bitrate; | |
324 | ||
325 | /* transport streams */ | |
326 | __u16 ts_pid_pmt; | |
327 | __u16 ts_pid_audio; | |
328 | __u16 ts_pid_video; | |
329 | __u16 ts_pid_pcr; | |
330 | ||
331 | /* program stream */ | |
332 | __u16 ps_size; | |
333 | __u16 reserved_1; /* align */ | |
334 | ||
335 | /* audio */ | |
336 | enum v4l2_mpeg_audiotype au_type; | |
337 | struct v4l2_bitrate au_bitrate; | |
338 | __u32 au_sample_rate; | |
339 | __u8 au_pesid; | |
340 | __u8 reserved_2[3]; /* align */ | |
341 | ||
342 | /* video */ | |
343 | enum v4l2_mpeg_videotype vi_type; | |
344 | enum v4l2_mpeg_aspectratio vi_aspect_ratio; | |
345 | struct v4l2_bitrate vi_bitrate; | |
346 | __u32 vi_frame_rate; | |
347 | __u16 vi_frames_per_gop; | |
348 | __u16 vi_bframes_count; | |
349 | __u8 vi_pesid; | |
350 | __u8 reserved_3[3]; /* align */ | |
351 | ||
352 | /* misc flags */ | |
353 | __u32 closed_gops:1; | |
354 | __u32 pulldown:1; | |
355 | __u32 reserved_4:30; /* align */ | |
356 | ||
357 | /* I don't expect the above being perfect yet ;) */ | |
358 | __u32 reserved_5[8]; | |
359 | }; | |
360 | #endif | |
361 | ||
362 | struct v4l2_jpegcompression | |
363 | { | |
364 | int quality; | |
365 | ||
366 | int APPn; /* Number of APP segment to be written, | |
367 | * must be 0..15 */ | |
368 | int APP_len; /* Length of data in JPEG APPn segment */ | |
369 | char APP_data[60]; /* Data in the JPEG APPn segment. */ | |
370 | ||
371 | int COM_len; /* Length of data in JPEG COM segment */ | |
372 | char COM_data[60]; /* Data in JPEG COM segment */ | |
373 | ||
374 | __u32 jpeg_markers; /* Which markers should go into the JPEG | |
375 | * output. Unless you exactly know what | |
376 | * you do, leave them untouched. | |
377 | * Inluding less markers will make the | |
378 | * resulting code smaller, but there will | |
379 | * be fewer aplications which can read it. | |
380 | * The presence of the APP and COM marker | |
381 | * is influenced by APP_len and COM_len | |
382 | * ONLY, not by this property! */ | |
383 | ||
384 | #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ | |
385 | #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ | |
386 | #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ | |
387 | #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ | |
388 | #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will | |
389 | * allways use APP0 */ | |
390 | }; | |
391 | ||
392 | ||
393 | /* | |
394 | * M E M O R Y - M A P P I N G B U F F E R S | |
395 | */ | |
396 | struct v4l2_requestbuffers | |
397 | { | |
398 | __u32 count; | |
399 | enum v4l2_buf_type type; | |
400 | enum v4l2_memory memory; | |
401 | __u32 reserved[2]; | |
402 | }; | |
403 | ||
404 | struct v4l2_buffer | |
405 | { | |
406 | __u32 index; | |
407 | enum v4l2_buf_type type; | |
408 | __u32 bytesused; | |
409 | __u32 flags; | |
410 | enum v4l2_field field; | |
411 | struct timeval timestamp; | |
412 | struct v4l2_timecode timecode; | |
413 | __u32 sequence; | |
414 | ||
415 | /* memory location */ | |
416 | enum v4l2_memory memory; | |
417 | union { | |
418 | __u32 offset; | |
419 | unsigned long userptr; | |
420 | } m; | |
421 | __u32 length; | |
422 | __u32 input; | |
423 | __u32 reserved; | |
424 | }; | |
425 | ||
426 | /* Flags for 'flags' field */ | |
427 | #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ | |
428 | #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ | |
429 | #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ | |
430 | #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ | |
431 | #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ | |
432 | #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ | |
433 | #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ | |
434 | #define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */ | |
435 | ||
436 | /* | |
437 | * O V E R L A Y P R E V I E W | |
438 | */ | |
439 | struct v4l2_framebuffer | |
440 | { | |
441 | __u32 capability; | |
442 | __u32 flags; | |
443 | /* FIXME: in theory we should pass something like PCI device + memory | |
444 | * region + offset instead of some physical address */ | |
445 | void* base; | |
446 | struct v4l2_pix_format fmt; | |
447 | }; | |
448 | /* Flags for the 'capability' field. Read only */ | |
449 | #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 | |
450 | #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 | |
451 | #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 | |
452 | #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 | |
453 | /* Flags for the 'flags' field. */ | |
454 | #define V4L2_FBUF_FLAG_PRIMARY 0x0001 | |
455 | #define V4L2_FBUF_FLAG_OVERLAY 0x0002 | |
456 | #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 | |
457 | ||
458 | struct v4l2_clip | |
459 | { | |
460 | struct v4l2_rect c; | |
461 | struct v4l2_clip *next; | |
462 | }; | |
463 | ||
464 | struct v4l2_window | |
465 | { | |
466 | struct v4l2_rect w; | |
467 | enum v4l2_field field; | |
468 | __u32 chromakey; | |
469 | struct v4l2_clip __user *clips; | |
470 | __u32 clipcount; | |
471 | void __user *bitmap; | |
472 | }; | |
473 | ||
474 | ||
475 | /* | |
476 | * C A P T U R E P A R A M E T E R S | |
477 | */ | |
478 | struct v4l2_captureparm | |
479 | { | |
480 | __u32 capability; /* Supported modes */ | |
481 | __u32 capturemode; /* Current mode */ | |
482 | struct v4l2_fract timeperframe; /* Time per frame in .1us units */ | |
483 | __u32 extendedmode; /* Driver-specific extensions */ | |
484 | __u32 readbuffers; /* # of buffers for read */ | |
485 | __u32 reserved[4]; | |
486 | }; | |
487 | /* Flags for 'capability' and 'capturemode' fields */ | |
488 | #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ | |
489 | #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ | |
490 | ||
491 | struct v4l2_outputparm | |
492 | { | |
493 | __u32 capability; /* Supported modes */ | |
494 | __u32 outputmode; /* Current mode */ | |
495 | struct v4l2_fract timeperframe; /* Time per frame in seconds */ | |
496 | __u32 extendedmode; /* Driver-specific extensions */ | |
497 | __u32 writebuffers; /* # of buffers for write */ | |
498 | __u32 reserved[4]; | |
499 | }; | |
500 | ||
501 | /* | |
502 | * I N P U T I M A G E C R O P P I N G | |
503 | */ | |
504 | ||
505 | struct v4l2_cropcap { | |
506 | enum v4l2_buf_type type; | |
507 | struct v4l2_rect bounds; | |
508 | struct v4l2_rect defrect; | |
509 | struct v4l2_fract pixelaspect; | |
510 | }; | |
511 | ||
512 | struct v4l2_crop { | |
513 | enum v4l2_buf_type type; | |
514 | struct v4l2_rect c; | |
515 | }; | |
516 | ||
517 | /* | |
518 | * A N A L O G V I D E O S T A N D A R D | |
519 | */ | |
520 | ||
521 | typedef __u64 v4l2_std_id; | |
522 | ||
523 | /* one bit for each */ | |
524 | #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) | |
525 | #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) | |
526 | #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) | |
527 | #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) | |
528 | #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) | |
529 | #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) | |
530 | #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) | |
531 | #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) | |
532 | ||
533 | #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) | |
534 | #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) | |
535 | #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) | |
536 | #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) | |
537 | ||
538 | #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) | |
539 | #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) | |
540 | ||
541 | #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) | |
542 | #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) | |
543 | #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) | |
544 | #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) | |
545 | #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) | |
546 | #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) | |
547 | #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) | |
548 | ||
549 | /* ATSC/HDTV */ | |
550 | #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) | |
551 | #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) | |
552 | ||
553 | /* some common needed stuff */ | |
554 | #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ | |
555 | V4L2_STD_PAL_B1 |\ | |
556 | V4L2_STD_PAL_G) | |
557 | #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ | |
558 | V4L2_STD_PAL_D1 |\ | |
559 | V4L2_STD_PAL_K) | |
560 | #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ | |
561 | V4L2_STD_PAL_DK |\ | |
562 | V4L2_STD_PAL_H |\ | |
563 | V4L2_STD_PAL_I) | |
564 | #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ | |
565 | V4L2_STD_NTSC_M_JP) | |
566 | #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ | |
567 | V4L2_STD_SECAM_K |\ | |
568 | V4L2_STD_SECAM_K1) | |
569 | #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ | |
570 | V4L2_STD_SECAM_G |\ | |
571 | V4L2_STD_SECAM_H |\ | |
572 | V4L2_STD_SECAM_DK |\ | |
573 | V4L2_STD_SECAM_L) | |
574 | ||
575 | #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ | |
576 | V4L2_STD_PAL_60 |\ | |
577 | V4L2_STD_NTSC) | |
578 | #define V4L2_STD_625_50 (V4L2_STD_PAL |\ | |
579 | V4L2_STD_PAL_N |\ | |
580 | V4L2_STD_PAL_Nc |\ | |
581 | V4L2_STD_SECAM) | |
582 | #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ | |
583 | V4L2_STD_ATSC_16_VSB) | |
584 | ||
585 | #define V4L2_STD_UNKNOWN 0 | |
586 | #define V4L2_STD_ALL (V4L2_STD_525_60 |\ | |
587 | V4L2_STD_625_50) | |
588 | ||
589 | struct v4l2_standard | |
590 | { | |
591 | __u32 index; | |
592 | v4l2_std_id id; | |
593 | __u8 name[24]; | |
594 | struct v4l2_fract frameperiod; /* Frames, not fields */ | |
595 | __u32 framelines; | |
596 | __u32 reserved[4]; | |
597 | }; | |
598 | ||
599 | ||
600 | /* | |
601 | * V I D E O I N P U T S | |
602 | */ | |
603 | struct v4l2_input | |
604 | { | |
605 | __u32 index; /* Which input */ | |
606 | __u8 name[32]; /* Label */ | |
607 | __u32 type; /* Type of input */ | |
608 | __u32 audioset; /* Associated audios (bitfield) */ | |
609 | __u32 tuner; /* Associated tuner */ | |
610 | v4l2_std_id std; | |
611 | __u32 status; | |
612 | __u32 reserved[4]; | |
613 | }; | |
614 | /* Values for the 'type' field */ | |
615 | #define V4L2_INPUT_TYPE_TUNER 1 | |
616 | #define V4L2_INPUT_TYPE_CAMERA 2 | |
617 | ||
618 | /* field 'status' - general */ | |
619 | #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ | |
620 | #define V4L2_IN_ST_NO_SIGNAL 0x00000002 | |
621 | #define V4L2_IN_ST_NO_COLOR 0x00000004 | |
622 | ||
623 | /* field 'status' - analog */ | |
624 | #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ | |
625 | #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ | |
626 | ||
627 | /* field 'status' - digital */ | |
628 | #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ | |
629 | #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ | |
630 | #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ | |
631 | ||
632 | /* field 'status' - VCR and set-top box */ | |
633 | #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ | |
634 | #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ | |
635 | #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ | |
636 | ||
637 | /* | |
638 | * V I D E O O U T P U T S | |
639 | */ | |
640 | struct v4l2_output | |
641 | { | |
642 | __u32 index; /* Which output */ | |
643 | __u8 name[32]; /* Label */ | |
644 | __u32 type; /* Type of output */ | |
645 | __u32 audioset; /* Associated audios (bitfield) */ | |
646 | __u32 modulator; /* Associated modulator */ | |
647 | v4l2_std_id std; | |
648 | __u32 reserved[4]; | |
649 | }; | |
650 | /* Values for the 'type' field */ | |
651 | #define V4L2_OUTPUT_TYPE_MODULATOR 1 | |
652 | #define V4L2_OUTPUT_TYPE_ANALOG 2 | |
653 | #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 | |
654 | ||
655 | /* | |
656 | * C O N T R O L S | |
657 | */ | |
658 | struct v4l2_control | |
659 | { | |
660 | __u32 id; | |
661 | __s32 value; | |
662 | }; | |
663 | ||
664 | /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ | |
665 | struct v4l2_queryctrl | |
666 | { | |
667 | __u32 id; | |
668 | enum v4l2_ctrl_type type; | |
669 | __u8 name[32]; /* Whatever */ | |
670 | __s32 minimum; /* Note signedness */ | |
671 | __s32 maximum; | |
672 | __s32 step; | |
673 | __s32 default_value; | |
674 | __u32 flags; | |
675 | __u32 reserved[2]; | |
676 | }; | |
677 | ||
678 | /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ | |
679 | struct v4l2_querymenu | |
680 | { | |
681 | __u32 id; | |
682 | __u32 index; | |
683 | __u8 name[32]; /* Whatever */ | |
684 | __u32 reserved; | |
685 | }; | |
686 | ||
687 | /* Control flags */ | |
688 | #define V4L2_CTRL_FLAG_DISABLED 0x0001 | |
689 | #define V4L2_CTRL_FLAG_GRABBED 0x0002 | |
690 | ||
691 | /* Control IDs defined by V4L2 */ | |
692 | #define V4L2_CID_BASE 0x00980900 | |
693 | /* IDs reserved for driver specific controls */ | |
694 | #define V4L2_CID_PRIVATE_BASE 0x08000000 | |
695 | ||
696 | #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0) | |
697 | #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1) | |
698 | #define V4L2_CID_SATURATION (V4L2_CID_BASE+2) | |
699 | #define V4L2_CID_HUE (V4L2_CID_BASE+3) | |
700 | #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5) | |
701 | #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6) | |
702 | #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7) | |
703 | #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8) | |
704 | #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9) | |
705 | #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10) | |
706 | #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) | |
707 | #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12) | |
708 | #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13) | |
709 | #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14) | |
710 | #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15) | |
711 | #define V4L2_CID_GAMMA (V4L2_CID_BASE+16) | |
712 | #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */ | |
713 | #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17) | |
714 | #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18) | |
715 | #define V4L2_CID_GAIN (V4L2_CID_BASE+19) | |
716 | #define V4L2_CID_HFLIP (V4L2_CID_BASE+20) | |
717 | #define V4L2_CID_VFLIP (V4L2_CID_BASE+21) | |
718 | #define V4L2_CID_HCENTER (V4L2_CID_BASE+22) | |
719 | #define V4L2_CID_VCENTER (V4L2_CID_BASE+23) | |
720 | #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */ | |
721 | ||
722 | /* | |
723 | * T U N I N G | |
724 | */ | |
725 | struct v4l2_tuner | |
726 | { | |
727 | __u32 index; | |
728 | __u8 name[32]; | |
729 | enum v4l2_tuner_type type; | |
730 | __u32 capability; | |
731 | __u32 rangelow; | |
732 | __u32 rangehigh; | |
733 | __u32 rxsubchans; | |
734 | __u32 audmode; | |
735 | __s32 signal; | |
736 | __s32 afc; | |
737 | __u32 reserved[4]; | |
738 | }; | |
739 | ||
740 | struct v4l2_modulator | |
741 | { | |
742 | __u32 index; | |
743 | __u8 name[32]; | |
744 | __u32 capability; | |
745 | __u32 rangelow; | |
746 | __u32 rangehigh; | |
747 | __u32 txsubchans; | |
748 | __u32 reserved[4]; | |
749 | }; | |
750 | ||
751 | /* Flags for the 'capability' field */ | |
752 | #define V4L2_TUNER_CAP_LOW 0x0001 | |
753 | #define V4L2_TUNER_CAP_NORM 0x0002 | |
754 | #define V4L2_TUNER_CAP_STEREO 0x0010 | |
755 | #define V4L2_TUNER_CAP_LANG2 0x0020 | |
756 | #define V4L2_TUNER_CAP_SAP 0x0020 | |
757 | #define V4L2_TUNER_CAP_LANG1 0x0040 | |
758 | ||
759 | /* Flags for the 'rxsubchans' field */ | |
760 | #define V4L2_TUNER_SUB_MONO 0x0001 | |
761 | #define V4L2_TUNER_SUB_STEREO 0x0002 | |
762 | #define V4L2_TUNER_SUB_LANG2 0x0004 | |
763 | #define V4L2_TUNER_SUB_SAP 0x0004 | |
764 | #define V4L2_TUNER_SUB_LANG1 0x0008 | |
765 | ||
766 | /* Values for the 'audmode' field */ | |
767 | #define V4L2_TUNER_MODE_MONO 0x0000 | |
768 | #define V4L2_TUNER_MODE_STEREO 0x0001 | |
769 | #define V4L2_TUNER_MODE_LANG2 0x0002 | |
770 | #define V4L2_TUNER_MODE_SAP 0x0002 | |
771 | #define V4L2_TUNER_MODE_LANG1 0x0003 | |
772 | ||
773 | struct v4l2_frequency | |
774 | { | |
775 | __u32 tuner; | |
776 | enum v4l2_tuner_type type; | |
777 | __u32 frequency; | |
778 | __u32 reserved[8]; | |
779 | }; | |
780 | ||
781 | /* | |
782 | * A U D I O | |
783 | */ | |
784 | struct v4l2_audio | |
785 | { | |
786 | __u32 index; | |
787 | __u8 name[32]; | |
788 | __u32 capability; | |
789 | __u32 mode; | |
790 | __u32 reserved[2]; | |
791 | }; | |
792 | /* Flags for the 'capability' field */ | |
793 | #define V4L2_AUDCAP_STEREO 0x00001 | |
794 | #define V4L2_AUDCAP_AVL 0x00002 | |
795 | ||
796 | /* Flags for the 'mode' field */ | |
797 | #define V4L2_AUDMODE_AVL 0x00001 | |
798 | ||
799 | struct v4l2_audioout | |
800 | { | |
801 | __u32 index; | |
802 | __u8 name[32]; | |
803 | __u32 capability; | |
804 | __u32 mode; | |
805 | __u32 reserved[2]; | |
806 | }; | |
807 | ||
808 | /* | |
809 | * D A T A S E R V I C E S ( V B I ) | |
810 | * | |
811 | * Data services API by Michael Schimek | |
812 | */ | |
813 | ||
814 | struct v4l2_vbi_format | |
815 | { | |
816 | __u32 sampling_rate; /* in 1 Hz */ | |
817 | __u32 offset; | |
818 | __u32 samples_per_line; | |
819 | __u32 sample_format; /* V4L2_PIX_FMT_* */ | |
820 | __s32 start[2]; | |
821 | __u32 count[2]; | |
822 | __u32 flags; /* V4L2_VBI_* */ | |
823 | __u32 reserved[2]; /* must be zero */ | |
824 | }; | |
825 | ||
826 | /* VBI flags */ | |
827 | #define V4L2_VBI_UNSYNC (1<< 0) | |
828 | #define V4L2_VBI_INTERLACED (1<< 1) | |
829 | ||
830 | ||
831 | /* | |
832 | * A G G R E G A T E S T R U C T U R E S | |
833 | */ | |
834 | ||
835 | /* Stream data format | |
836 | */ | |
837 | struct v4l2_format | |
838 | { | |
839 | enum v4l2_buf_type type; | |
840 | union | |
841 | { | |
842 | struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE | |
843 | struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY | |
844 | struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE | |
845 | __u8 raw_data[200]; // user-defined | |
846 | } fmt; | |
847 | }; | |
848 | ||
849 | ||
850 | /* Stream type-dependent parameters | |
851 | */ | |
852 | struct v4l2_streamparm | |
853 | { | |
854 | enum v4l2_buf_type type; | |
855 | union | |
856 | { | |
857 | struct v4l2_captureparm capture; | |
858 | struct v4l2_outputparm output; | |
859 | __u8 raw_data[200]; /* user-defined */ | |
860 | } parm; | |
861 | }; | |
862 | ||
863 | ||
864 | ||
865 | /* | |
866 | * 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 | |
867 | * | |
868 | */ | |
869 | #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability) | |
870 | #define VIDIOC_RESERVED _IO ('V', 1) | |
871 | #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc) | |
872 | #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format) | |
873 | #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format) | |
874 | #if 1 /* experimental */ | |
875 | #define VIDIOC_G_MPEGCOMP _IOR ('V', 6, struct v4l2_mpeg_compression) | |
876 | #define VIDIOC_S_MPEGCOMP _IOW ('V', 7, struct v4l2_mpeg_compression) | |
877 | #endif | |
878 | #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers) | |
879 | #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer) | |
880 | #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer) | |
881 | #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer) | |
882 | #define VIDIOC_OVERLAY _IOW ('V', 14, int) | |
883 | #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer) | |
884 | #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer) | |
885 | #define VIDIOC_STREAMON _IOW ('V', 18, int) | |
886 | #define VIDIOC_STREAMOFF _IOW ('V', 19, int) | |
887 | #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm) | |
888 | #define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm) | |
889 | #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id) | |
890 | #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id) | |
891 | #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard) | |
892 | #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input) | |
893 | #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control) | |
894 | #define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control) | |
895 | #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner) | |
896 | #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner) | |
897 | #define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio) | |
898 | #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio) | |
899 | #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl) | |
900 | #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu) | |
901 | #define VIDIOC_G_INPUT _IOR ('V', 38, int) | |
902 | #define VIDIOC_S_INPUT _IOWR ('V', 39, int) | |
903 | #define VIDIOC_G_OUTPUT _IOR ('V', 46, int) | |
904 | #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int) | |
905 | #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output) | |
906 | #define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout) | |
907 | #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout) | |
908 | #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator) | |
909 | #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator) | |
910 | #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency) | |
911 | #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency) | |
912 | #define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap) | |
913 | #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop) | |
914 | #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop) | |
915 | #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression) | |
916 | #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression) | |
917 | #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id) | |
918 | #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format) | |
919 | #define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio) | |
920 | #define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout) | |
921 | #define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority) | |
922 | #define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority) | |
923 | ||
924 | /* for compatibility, will go away some day */ | |
925 | #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int) | |
926 | #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm) | |
927 | #define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control) | |
928 | #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio) | |
929 | #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout) | |
930 | #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap) | |
931 | ||
932 | #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ | |
933 | ||
934 | ||
935 | #ifdef __KERNEL__ | |
936 | /* | |
937 | * | |
938 | * V 4 L 2 D R I V E R H E L P E R A P I | |
939 | * | |
940 | * Some commonly needed functions for drivers (v4l2-common.o module) | |
941 | */ | |
942 | #include <linux/fs.h> | |
943 | ||
944 | /* Video standard functions */ | |
945 | extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs); | |
946 | extern int v4l2_video_std_construct(struct v4l2_standard *vs, | |
947 | int id, char *name); | |
948 | ||
949 | /* prority handling */ | |
950 | struct v4l2_prio_state { | |
951 | atomic_t prios[4]; | |
952 | }; | |
953 | int v4l2_prio_init(struct v4l2_prio_state *global); | |
954 | int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, | |
955 | enum v4l2_priority new); | |
956 | int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local); | |
957 | int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local); | |
958 | enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global); | |
959 | int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local); | |
960 | ||
961 | /* names for fancy debug output */ | |
962 | extern char *v4l2_field_names[]; | |
963 | extern char *v4l2_type_names[]; | |
964 | extern char *v4l2_ioctl_names[]; | |
965 | ||
966 | /* Compatibility layer interface -- v4l1-compat module */ | |
967 | typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, | |
968 | unsigned int cmd, void *arg); | |
969 | int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, | |
970 | int cmd, void *arg, v4l2_kioctl driver_ioctl); | |
971 | ||
972 | #endif /* __KERNEL__ */ | |
973 | #endif /* __LINUX_VIDEODEV2_H */ | |
974 | ||
975 | /* | |
976 | * Local variables: | |
977 | * c-basic-offset: 8 | |
978 | * End: | |
979 | */ |