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