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1da177e4 LT |
1 | #ifndef __LINUX_VIDEODEV_H |
2 | #define __LINUX_VIDEODEV_H | |
3 | ||
4 | #include <linux/compiler.h> | |
5 | #include <linux/types.h> | |
6 | #include <linux/version.h> | |
7 | ||
8 | #define HAVE_V4L2 1 | |
9 | #include <linux/videodev2.h> | |
10 | ||
11 | #ifdef __KERNEL__ | |
12 | ||
13 | #include <linux/poll.h> | |
14 | #include <linux/mm.h> | |
15 | #include <linux/device.h> | |
16 | ||
17 | struct video_device | |
18 | { | |
19 | /* device info */ | |
20 | struct device *dev; | |
21 | char name[32]; | |
22 | int type; /* v4l1 */ | |
23 | int type2; /* v4l2 */ | |
24 | int hardware; | |
25 | int minor; | |
26 | ||
27 | /* device ops + callbacks */ | |
28 | struct file_operations *fops; | |
29 | void (*release)(struct video_device *vfd); | |
30 | ||
31 | ||
32 | #if 1 /* to be removed in 2.7.x */ | |
33 | /* obsolete -- fops->owner is used instead */ | |
34 | struct module *owner; | |
35 | /* dev->driver_data will be used instead some day. | |
36 | * Use the video_{get|set}_drvdata() helper functions, | |
37 | * so the switch over will be transparent for you. | |
38 | * Or use {pci|usb}_{get|set}_drvdata() directly. */ | |
39 | void *priv; | |
40 | #endif | |
41 | ||
42 | /* for videodev.c intenal usage -- please don't touch */ | |
43 | int users; /* video_exclusive_{open|close} ... */ | |
44 | struct semaphore lock; /* ... helper function uses these */ | |
45 | char devfs_name[64]; /* devfs */ | |
46 | struct class_device class_dev; /* sysfs */ | |
47 | }; | |
48 | ||
49 | #define VIDEO_MAJOR 81 | |
50 | ||
51 | #define VFL_TYPE_GRABBER 0 | |
52 | #define VFL_TYPE_VBI 1 | |
53 | #define VFL_TYPE_RADIO 2 | |
54 | #define VFL_TYPE_VTX 3 | |
55 | ||
56 | extern int video_register_device(struct video_device *, int type, int nr); | |
57 | extern void video_unregister_device(struct video_device *); | |
58 | extern struct video_device* video_devdata(struct file*); | |
59 | ||
60 | #define to_video_device(cd) container_of(cd, struct video_device, class_dev) | |
61 | static inline void | |
62 | video_device_create_file(struct video_device *vfd, | |
63 | struct class_device_attribute *attr) | |
64 | { | |
65 | class_device_create_file(&vfd->class_dev, attr); | |
66 | } | |
67 | static inline void | |
68 | video_device_remove_file(struct video_device *vfd, | |
69 | struct class_device_attribute *attr) | |
70 | { | |
71 | class_device_remove_file(&vfd->class_dev, attr); | |
72 | } | |
73 | ||
74 | /* helper functions to alloc / release struct video_device, the | |
75 | later can be used for video_device->release() */ | |
76 | struct video_device *video_device_alloc(void); | |
77 | void video_device_release(struct video_device *vfd); | |
78 | ||
79 | /* helper functions to access driver private data. */ | |
80 | static inline void *video_get_drvdata(struct video_device *dev) | |
81 | { | |
82 | return dev->priv; | |
83 | } | |
84 | ||
85 | static inline void video_set_drvdata(struct video_device *dev, void *data) | |
86 | { | |
87 | dev->priv = data; | |
88 | } | |
89 | ||
90 | extern int video_exclusive_open(struct inode *inode, struct file *file); | |
91 | extern int video_exclusive_release(struct inode *inode, struct file *file); | |
92 | extern int video_usercopy(struct inode *inode, struct file *file, | |
93 | unsigned int cmd, unsigned long arg, | |
94 | int (*func)(struct inode *inode, struct file *file, | |
95 | unsigned int cmd, void *arg)); | |
96 | #endif /* __KERNEL__ */ | |
97 | ||
98 | #define VID_TYPE_CAPTURE 1 /* Can capture */ | |
99 | #define VID_TYPE_TUNER 2 /* Can tune */ | |
100 | #define VID_TYPE_TELETEXT 4 /* Does teletext */ | |
101 | #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ | |
102 | #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ | |
103 | #define VID_TYPE_CLIPPING 32 /* Can clip */ | |
104 | #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ | |
105 | #define VID_TYPE_SCALES 128 /* Scalable */ | |
106 | #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ | |
107 | #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ | |
108 | #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ | |
109 | #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ | |
110 | #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ | |
111 | #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ | |
112 | ||
113 | struct video_capability | |
114 | { | |
115 | char name[32]; | |
116 | int type; | |
117 | int channels; /* Num channels */ | |
118 | int audios; /* Num audio devices */ | |
119 | int maxwidth; /* Supported width */ | |
120 | int maxheight; /* And height */ | |
121 | int minwidth; /* Supported width */ | |
122 | int minheight; /* And height */ | |
123 | }; | |
124 | ||
125 | ||
126 | struct video_channel | |
127 | { | |
128 | int channel; | |
129 | char name[32]; | |
130 | int tuners; | |
131 | __u32 flags; | |
132 | #define VIDEO_VC_TUNER 1 /* Channel has a tuner */ | |
133 | #define VIDEO_VC_AUDIO 2 /* Channel has audio */ | |
134 | __u16 type; | |
135 | #define VIDEO_TYPE_TV 1 | |
136 | #define VIDEO_TYPE_CAMERA 2 | |
137 | __u16 norm; /* Norm set by channel */ | |
138 | }; | |
139 | ||
140 | struct video_tuner | |
141 | { | |
142 | int tuner; | |
143 | char name[32]; | |
144 | unsigned long rangelow, rangehigh; /* Tuner range */ | |
145 | __u32 flags; | |
146 | #define VIDEO_TUNER_PAL 1 | |
147 | #define VIDEO_TUNER_NTSC 2 | |
148 | #define VIDEO_TUNER_SECAM 4 | |
149 | #define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ | |
150 | #define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ | |
151 | #define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ | |
152 | #define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ | |
153 | #define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ | |
154 | __u16 mode; /* PAL/NTSC/SECAM/OTHER */ | |
155 | #define VIDEO_MODE_PAL 0 | |
156 | #define VIDEO_MODE_NTSC 1 | |
157 | #define VIDEO_MODE_SECAM 2 | |
158 | #define VIDEO_MODE_AUTO 3 | |
159 | __u16 signal; /* Signal strength 16bit scale */ | |
160 | }; | |
161 | ||
162 | struct video_picture | |
163 | { | |
164 | __u16 brightness; | |
165 | __u16 hue; | |
166 | __u16 colour; | |
167 | __u16 contrast; | |
168 | __u16 whiteness; /* Black and white only */ | |
169 | __u16 depth; /* Capture depth */ | |
170 | __u16 palette; /* Palette in use */ | |
171 | #define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ | |
172 | #define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ | |
173 | #define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ | |
174 | #define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ | |
175 | #define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ | |
176 | #define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ | |
177 | #define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ | |
178 | #define VIDEO_PALETTE_YUYV 8 | |
179 | #define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ | |
180 | #define VIDEO_PALETTE_YUV420 10 | |
181 | #define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ | |
182 | #define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ | |
183 | #define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ | |
184 | #define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ | |
185 | #define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ | |
186 | #define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ | |
187 | #define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ | |
188 | #define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ | |
189 | }; | |
190 | ||
191 | struct video_audio | |
192 | { | |
193 | int audio; /* Audio channel */ | |
194 | __u16 volume; /* If settable */ | |
195 | __u16 bass, treble; | |
196 | __u32 flags; | |
197 | #define VIDEO_AUDIO_MUTE 1 | |
198 | #define VIDEO_AUDIO_MUTABLE 2 | |
199 | #define VIDEO_AUDIO_VOLUME 4 | |
200 | #define VIDEO_AUDIO_BASS 8 | |
201 | #define VIDEO_AUDIO_TREBLE 16 | |
202 | #define VIDEO_AUDIO_BALANCE 32 | |
203 | char name[16]; | |
204 | #define VIDEO_SOUND_MONO 1 | |
205 | #define VIDEO_SOUND_STEREO 2 | |
206 | #define VIDEO_SOUND_LANG1 4 | |
207 | #define VIDEO_SOUND_LANG2 8 | |
208 | __u16 mode; | |
209 | __u16 balance; /* Stereo balance */ | |
210 | __u16 step; /* Step actual volume uses */ | |
211 | }; | |
212 | ||
213 | struct video_clip | |
214 | { | |
215 | __s32 x,y; | |
216 | __s32 width, height; | |
217 | struct video_clip *next; /* For user use/driver use only */ | |
218 | }; | |
219 | ||
220 | struct video_window | |
221 | { | |
222 | __u32 x,y; /* Position of window */ | |
223 | __u32 width,height; /* Its size */ | |
224 | __u32 chromakey; | |
225 | __u32 flags; | |
226 | struct video_clip __user *clips; /* Set only */ | |
227 | int clipcount; | |
228 | #define VIDEO_WINDOW_INTERLACE 1 | |
229 | #define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ | |
230 | #define VIDEO_CLIP_BITMAP -1 | |
231 | /* bitmap is 1024x625, a '1' bit represents a clipped pixel */ | |
232 | #define VIDEO_CLIPMAP_SIZE (128 * 625) | |
233 | }; | |
234 | ||
235 | struct video_capture | |
236 | { | |
237 | __u32 x,y; /* Offsets into image */ | |
238 | __u32 width, height; /* Area to capture */ | |
239 | __u16 decimation; /* Decimation divider */ | |
240 | __u16 flags; /* Flags for capture */ | |
241 | #define VIDEO_CAPTURE_ODD 0 /* Temporal */ | |
242 | #define VIDEO_CAPTURE_EVEN 1 | |
243 | }; | |
244 | ||
245 | struct video_buffer | |
246 | { | |
247 | void *base; | |
248 | int height,width; | |
249 | int depth; | |
250 | int bytesperline; | |
251 | }; | |
252 | ||
253 | struct video_mmap | |
254 | { | |
255 | unsigned int frame; /* Frame (0 - n) for double buffer */ | |
256 | int height,width; | |
257 | unsigned int format; /* should be VIDEO_PALETTE_* */ | |
258 | }; | |
259 | ||
260 | struct video_key | |
261 | { | |
262 | __u8 key[8]; | |
263 | __u32 flags; | |
264 | }; | |
265 | ||
266 | ||
267 | #define VIDEO_MAX_FRAME 32 | |
268 | ||
269 | struct video_mbuf | |
270 | { | |
271 | int size; /* Total memory to map */ | |
272 | int frames; /* Frames */ | |
273 | int offsets[VIDEO_MAX_FRAME]; | |
274 | }; | |
275 | ||
276 | ||
277 | #define VIDEO_NO_UNIT (-1) | |
278 | ||
279 | ||
280 | struct video_unit | |
281 | { | |
282 | int video; /* Video minor */ | |
283 | int vbi; /* VBI minor */ | |
284 | int radio; /* Radio minor */ | |
285 | int audio; /* Audio minor */ | |
286 | int teletext; /* Teletext minor */ | |
287 | }; | |
288 | ||
289 | struct vbi_format { | |
290 | __u32 sampling_rate; /* in Hz */ | |
291 | __u32 samples_per_line; | |
292 | __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ | |
293 | __s32 start[2]; /* starting line for each frame */ | |
294 | __u32 count[2]; /* count of lines for each frame */ | |
295 | __u32 flags; | |
296 | #define VBI_UNSYNC 1 /* can distingues between top/bottom field */ | |
297 | #define VBI_INTERLACED 2 /* lines are interlaced */ | |
298 | }; | |
299 | ||
300 | /* video_info is biased towards hardware mpeg encode/decode */ | |
301 | /* but it could apply generically to any hardware compressor/decompressor */ | |
302 | struct video_info | |
303 | { | |
304 | __u32 frame_count; /* frames output since decode/encode began */ | |
305 | __u32 h_size; /* current unscaled horizontal size */ | |
306 | __u32 v_size; /* current unscaled veritcal size */ | |
307 | __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */ | |
308 | __u32 picture_type; /* current picture type */ | |
309 | __u32 temporal_reference; /* current temporal reference */ | |
310 | __u8 user_data[256]; /* user data last found in compressed stream */ | |
311 | /* user_data[0] contains user data flags, user_data[1] has count */ | |
312 | }; | |
313 | ||
314 | /* generic structure for setting playback modes */ | |
315 | struct video_play_mode | |
316 | { | |
317 | int mode; | |
318 | int p1; | |
319 | int p2; | |
320 | }; | |
321 | ||
322 | /* for loading microcode / fpga programming */ | |
323 | struct video_code | |
324 | { | |
325 | char loadwhat[16]; /* name or tag of file being passed */ | |
326 | int datasize; | |
327 | __u8 *data; | |
328 | }; | |
329 | ||
330 | #define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ | |
331 | #define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ | |
332 | #define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ | |
333 | #define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ | |
334 | #define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ | |
335 | #define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ | |
336 | #define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ | |
337 | #define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ | |
338 | #define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ | |
339 | #define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ | |
340 | #define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ | |
341 | #define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ | |
342 | #define VIDIOCKEY _IOR('v',13, struct video_key) /* Video key event - to dev 255 is to all - cuts capture on all DMA windows with this key (0xFFFFFFFF == all) */ | |
343 | #define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ | |
344 | #define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ | |
345 | #define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ | |
346 | #define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ | |
347 | #define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ | |
348 | #define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ | |
349 | #define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ | |
350 | #define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */ | |
351 | #define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */ | |
352 | #define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */ | |
353 | #define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */ | |
354 | #define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */ | |
355 | #define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */ | |
356 | #define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */ | |
357 | #define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ | |
358 | #define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ | |
359 | ||
360 | ||
361 | #define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ | |
362 | ||
363 | /* VIDIOCSWRITEMODE */ | |
364 | #define VID_WRITE_MPEG_AUD 0 | |
365 | #define VID_WRITE_MPEG_VID 1 | |
366 | #define VID_WRITE_OSD 2 | |
367 | #define VID_WRITE_TTX 3 | |
368 | #define VID_WRITE_CC 4 | |
369 | #define VID_WRITE_MJPEG 5 | |
370 | ||
371 | /* VIDIOCSPLAYMODE */ | |
372 | #define VID_PLAY_VID_OUT_MODE 0 | |
373 | /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */ | |
374 | #define VID_PLAY_GENLOCK 1 | |
375 | /* p1: 0 = OFF, 1 = ON */ | |
376 | /* p2: GENLOCK FINE DELAY value */ | |
377 | #define VID_PLAY_NORMAL 2 | |
378 | #define VID_PLAY_PAUSE 3 | |
379 | #define VID_PLAY_SINGLE_FRAME 4 | |
380 | #define VID_PLAY_FAST_FORWARD 5 | |
381 | #define VID_PLAY_SLOW_MOTION 6 | |
382 | #define VID_PLAY_IMMEDIATE_NORMAL 7 | |
383 | #define VID_PLAY_SWITCH_CHANNELS 8 | |
384 | #define VID_PLAY_FREEZE_FRAME 9 | |
385 | #define VID_PLAY_STILL_MODE 10 | |
386 | #define VID_PLAY_MASTER_MODE 11 | |
387 | /* p1: see below */ | |
388 | #define VID_PLAY_MASTER_NONE 1 | |
389 | #define VID_PLAY_MASTER_VIDEO 2 | |
390 | #define VID_PLAY_MASTER_AUDIO 3 | |
391 | #define VID_PLAY_ACTIVE_SCANLINES 12 | |
392 | /* p1 = first active; p2 = last active */ | |
393 | #define VID_PLAY_RESET 13 | |
394 | #define VID_PLAY_END_MARK 14 | |
395 | ||
396 | ||
397 | ||
398 | #define VID_HARDWARE_BT848 1 | |
399 | #define VID_HARDWARE_QCAM_BW 2 | |
400 | #define VID_HARDWARE_PMS 3 | |
401 | #define VID_HARDWARE_QCAM_C 4 | |
402 | #define VID_HARDWARE_PSEUDO 5 | |
403 | #define VID_HARDWARE_SAA5249 6 | |
404 | #define VID_HARDWARE_AZTECH 7 | |
405 | #define VID_HARDWARE_SF16MI 8 | |
406 | #define VID_HARDWARE_RTRACK 9 | |
407 | #define VID_HARDWARE_ZOLTRIX 10 | |
408 | #define VID_HARDWARE_SAA7146 11 | |
409 | #define VID_HARDWARE_VIDEUM 12 /* Reserved for Winnov videum */ | |
410 | #define VID_HARDWARE_RTRACK2 13 | |
411 | #define VID_HARDWARE_PERMEDIA2 14 /* Reserved for Permedia2 */ | |
412 | #define VID_HARDWARE_RIVA128 15 /* Reserved for RIVA 128 */ | |
413 | #define VID_HARDWARE_PLANB 16 /* PowerMac motherboard video-in */ | |
414 | #define VID_HARDWARE_BROADWAY 17 /* Broadway project */ | |
415 | #define VID_HARDWARE_GEMTEK 18 | |
416 | #define VID_HARDWARE_TYPHOON 19 | |
417 | #define VID_HARDWARE_VINO 20 /* SGI Indy Vino */ | |
418 | #define VID_HARDWARE_CADET 21 /* Cadet radio */ | |
419 | #define VID_HARDWARE_TRUST 22 /* Trust FM Radio */ | |
420 | #define VID_HARDWARE_TERRATEC 23 /* TerraTec ActiveRadio */ | |
421 | #define VID_HARDWARE_CPIA 24 | |
422 | #define VID_HARDWARE_ZR36120 25 /* Zoran ZR36120/ZR36125 */ | |
423 | #define VID_HARDWARE_ZR36067 26 /* Zoran ZR36067/36060 */ | |
424 | #define VID_HARDWARE_OV511 27 | |
425 | #define VID_HARDWARE_ZR356700 28 /* Zoran 36700 series */ | |
426 | #define VID_HARDWARE_W9966 29 | |
427 | #define VID_HARDWARE_SE401 30 /* SE401 USB webcams */ | |
428 | #define VID_HARDWARE_PWC 31 /* Philips webcams */ | |
429 | #define VID_HARDWARE_MEYE 32 /* Sony Vaio MotionEye cameras */ | |
430 | #define VID_HARDWARE_CPIA2 33 | |
431 | #define VID_HARDWARE_VICAM 34 | |
432 | #define VID_HARDWARE_SF16FMR2 35 | |
433 | #define VID_HARDWARE_W9968CF 36 | |
434 | #define VID_HARDWARE_SAA7114H 37 | |
435 | #define VID_HARDWARE_SN9C102 38 | |
436 | #define VID_HARDWARE_ARV 39 | |
437 | #endif /* __LINUX_VIDEODEV_H */ | |
438 | ||
439 | /* | |
440 | * Local variables: | |
441 | * c-basic-offset: 8 | |
442 | * End: | |
443 | */ |