#ifndef __LINUX_VIDEODEV_H #define __LINUX_VIDEODEV_H #include #include #ifdef __KERNEL__ #include #include #include struct video_device { /* device info */ char name[32]; int type; /* v4l1 */ int type2; /* v4l2 */ int hardware; int minor; /* device ops + callbacks */ struct file_operations *fops; void (*release)(struct video_device *vfd); /* old, obsolete interface -- dropped in 2.5.x, don't use it */ int (*open)(struct video_device *, int mode); void (*close)(struct video_device *); long (*read)(struct video_device *, char *, unsigned long, int noblock); long (*write)(struct video_device *, const char *, unsigned long, int noblock); unsigned int (*poll)(struct video_device *, struct file *, poll_table *); int (*ioctl)(struct video_device *, unsigned int , void *); int (*mmap)(struct video_device *, const char *, unsigned long); int (*initialize)(struct video_device *); #if 1 /* to be removed in 2.7.x */ /* obsolete -- fops->owner is used instead */ struct module *owner; /* dev->driver_data will be used instead some day. * Use the video_{get|set}_drvdata() helper functions, * so the switch over will be transparent for you. * Or use {pci|usb}_{get|set}_drvdata() directly. */ void *priv; #endif /* for videodev.c intenal usage -- please don't touch */ int users; /* video_exclusive_{open|close} ... */ struct semaphore lock; /* ... helper function uses these */ devfs_handle_t devfs_handle; /* devfs */ }; #define VIDEO_MAJOR 81 #define VFL_TYPE_GRABBER 0 #define VFL_TYPE_VBI 1 #define VFL_TYPE_RADIO 2 #define VFL_TYPE_VTX 3 extern int video_register_device(struct video_device *, int type, int nr); extern void video_unregister_device(struct video_device *); extern struct video_device* video_devdata(struct file*); /* helper functions to alloc / release struct video_device, the later can be used for video_device->release() */ struct video_device *video_device_alloc(void); void video_device_release(struct video_device *vfd); /* helper functions to access driver private data. */ static inline void *video_get_drvdata(struct video_device *dev) { return dev->priv; } static inline void video_set_drvdata(struct video_device *dev, void *data) { dev->priv = data; } extern int video_exclusive_open(struct inode *inode, struct file *file); extern int video_exclusive_release(struct inode *inode, struct file *file); extern int video_usercopy(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg, int (*func)(struct inode *inode, struct file *file, unsigned int cmd, void *arg)); #endif /* __KERNEL__ */ #define VID_TYPE_CAPTURE 1 /* Can capture */ #define VID_TYPE_TUNER 2 /* Can tune */ #define VID_TYPE_TELETEXT 4 /* Does teletext */ #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ #define VID_TYPE_CLIPPING 32 /* Can clip */ #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ #define VID_TYPE_SCALES 128 /* Scalable */ #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ struct video_capability { char name[32]; int type; int channels; /* Num channels */ int audios; /* Num audio devices */ int maxwidth; /* Supported width */ int maxheight; /* And height */ int minwidth; /* Supported width */ int minheight; /* And height */ }; struct video_channel { int channel; char name[32]; int tuners; __u32 flags; #define VIDEO_VC_TUNER 1 /* Channel has a tuner */ #define VIDEO_VC_AUDIO 2 /* Channel has audio */ __u16 type; #define VIDEO_TYPE_TV 1 #define VIDEO_TYPE_CAMERA 2 __u16 norm; /* Norm set by channel */ }; struct video_tuner { int tuner; char name[32]; unsigned long rangelow, rangehigh; /* Tuner range */ __u32 flags; #define VIDEO_TUNER_PAL 1 #define VIDEO_TUNER_NTSC 2 #define VIDEO_TUNER_SECAM 4 #define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ #define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ #define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ #define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ #define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ __u16 mode; /* PAL/NTSC/SECAM/OTHER */ #define VIDEO_MODE_PAL 0 #define VIDEO_MODE_NTSC 1 #define VIDEO_MODE_SECAM 2 #define VIDEO_MODE_AUTO 3 __u16 signal; /* Signal strength 16bit scale */ }; struct video_picture { __u16 brightness; __u16 hue; __u16 colour; __u16 contrast; __u16 whiteness; /* Black and white only */ __u16 depth; /* Capture depth */ __u16 palette; /* Palette in use */ #define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ #define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ #define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ #define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ #define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ #define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ #define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ #define VIDEO_PALETTE_YUYV 8 #define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ #define VIDEO_PALETTE_YUV420 10 #define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ #define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ #define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ #define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ #define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ #define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ #define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ #define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ }; struct video_audio { int audio; /* Audio channel */ __u16 volume; /* If settable */ __u16 bass, treble; __u32 flags; #define VIDEO_AUDIO_MUTE 1 #define VIDEO_AUDIO_MUTABLE 2 #define VIDEO_AUDIO_VOLUME 4 #define VIDEO_AUDIO_BASS 8 #define VIDEO_AUDIO_TREBLE 16 #define VIDEO_AUDIO_BALANCE 32 char name[16]; #define VIDEO_SOUND_MONO 1 #define VIDEO_SOUND_STEREO 2 #define VIDEO_SOUND_LANG1 4 #define VIDEO_SOUND_LANG2 8 __u16 mode; __u16 balance; /* Stereo balance */ __u16 step; /* Step actual volume uses */ }; struct video_clip { __s32 x,y; __s32 width, height; struct video_clip *next; /* For user use/driver use only */ }; struct video_window { __u32 x,y; /* Position of window */ __u32 width,height; /* Its size */ __u32 chromakey; __u32 flags; struct video_clip *clips; /* Set only */ int clipcount; #define VIDEO_WINDOW_INTERLACE 1 #define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ #define VIDEO_CLIP_BITMAP -1 /* bitmap is 1024x625, a '1' bit represents a clipped pixel */ #define VIDEO_CLIPMAP_SIZE (128 * 625) }; struct video_capture { __u32 x,y; /* Offsets into image */ __u32 width, height; /* Area to capture */ __u16 decimation; /* Decimation divider */ __u16 flags; /* Flags for capture */ #define VIDEO_CAPTURE_ODD 0 /* Temporal */ #define VIDEO_CAPTURE_EVEN 1 }; struct video_buffer { void *base; int height,width; int depth; int bytesperline; }; struct video_mmap { unsigned int frame; /* Frame (0 - n) for double buffer */ int height,width; unsigned int format; /* should be VIDEO_PALETTE_* */ }; struct video_key { __u8 key[8]; __u32 flags; }; #define VIDEO_MAX_FRAME 32 struct video_mbuf { int size; /* Total memory to map */ int frames; /* Frames */ int offsets[VIDEO_MAX_FRAME]; }; #define VIDEO_NO_UNIT (-1) struct video_unit { int video; /* Video minor */ int vbi; /* VBI minor */ int radio; /* Radio minor */ int audio; /* Audio minor */ int teletext; /* Teletext minor */ }; struct vbi_format { __u32 sampling_rate; /* in Hz */ __u32 samples_per_line; __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ __s32 start[2]; /* starting line for each frame */ __u32 count[2]; /* count of lines for each frame */ __u32 flags; #define VBI_UNSYNC 1 /* can distingues between top/bottom field */ #define VBI_INTERLACED 2 /* lines are interlaced */ }; /* video_info is biased towards hardware mpeg encode/decode */ /* but it could apply generically to any hardware compressor/decompressor */ struct video_info { __u32 frame_count; /* frames output since decode/encode began */ __u32 h_size; /* current unscaled horizontal size */ __u32 v_size; /* current unscaled veritcal size */ __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */ __u32 picture_type; /* current picture type */ __u32 temporal_reference; /* current temporal reference */ __u8 user_data[256]; /* user data last found in compressed stream */ /* user_data[0] contains user data flags, user_data[1] has count */ }; /* generic structure for setting playback modes */ struct video_play_mode { int mode; int p1; int p2; }; /* for loading microcode / fpga programming */ struct video_code { char loadwhat[16]; /* name or tag of file being passed */ int datasize; __u8 *data; }; #define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ #define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ #define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ #define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ #define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ #define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ #define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ #define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ #define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ #define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ #define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ #define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ #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) */ #define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ #define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ #define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ #define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ #define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ #define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ #define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ #define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */ #define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */ #define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */ #define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */ #define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */ #define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */ #define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */ #define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ #define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ #define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ /* VIDIOCSWRITEMODE */ #define VID_WRITE_MPEG_AUD 0 #define VID_WRITE_MPEG_VID 1 #define VID_WRITE_OSD 2 #define VID_WRITE_TTX 3 #define VID_WRITE_CC 4 #define VID_WRITE_MJPEG 5 /* VIDIOCSPLAYMODE */ #define VID_PLAY_VID_OUT_MODE 0 /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */ #define VID_PLAY_GENLOCK 1 /* p1: 0 = OFF, 1 = ON */ /* p2: GENLOCK FINE DELAY value */ #define VID_PLAY_NORMAL 2 #define VID_PLAY_PAUSE 3 #define VID_PLAY_SINGLE_FRAME 4 #define VID_PLAY_FAST_FORWARD 5 #define VID_PLAY_SLOW_MOTION 6 #define VID_PLAY_IMMEDIATE_NORMAL 7 #define VID_PLAY_SWITCH_CHANNELS 8 #define VID_PLAY_FREEZE_FRAME 9 #define VID_PLAY_STILL_MODE 10 #define VID_PLAY_MASTER_MODE 11 /* p1: see below */ #define VID_PLAY_MASTER_NONE 1 #define VID_PLAY_MASTER_VIDEO 2 #define VID_PLAY_MASTER_AUDIO 3 #define VID_PLAY_ACTIVE_SCANLINES 12 /* p1 = first active; p2 = last active */ #define VID_PLAY_RESET 13 #define VID_PLAY_END_MARK 14 #define VID_HARDWARE_BT848 1 #define VID_HARDWARE_QCAM_BW 2 #define VID_HARDWARE_PMS 3 #define VID_HARDWARE_QCAM_C 4 #define VID_HARDWARE_PSEUDO 5 #define VID_HARDWARE_SAA5249 6 #define VID_HARDWARE_AZTECH 7 #define VID_HARDWARE_SF16MI 8 #define VID_HARDWARE_RTRACK 9 #define VID_HARDWARE_ZOLTRIX 10 #define VID_HARDWARE_SAA7146 11 #define VID_HARDWARE_VIDEUM 12 /* Reserved for Winnov videum */ #define VID_HARDWARE_RTRACK2 13 #define VID_HARDWARE_PERMEDIA2 14 /* Reserved for Permedia2 */ #define VID_HARDWARE_RIVA128 15 /* Reserved for RIVA 128 */ #define VID_HARDWARE_PLANB 16 /* PowerMac motherboard video-in */ #define VID_HARDWARE_BROADWAY 17 /* Broadway project */ #define VID_HARDWARE_GEMTEK 18 #define VID_HARDWARE_TYPHOON 19 #define VID_HARDWARE_VINO 20 /* SGI Indy Vino */ #define VID_HARDWARE_CADET 21 /* Cadet radio */ #define VID_HARDWARE_TRUST 22 /* Trust FM Radio */ #define VID_HARDWARE_TERRATEC 23 /* TerraTec ActiveRadio */ #define VID_HARDWARE_CPIA 24 #define VID_HARDWARE_ZR36120 25 /* Zoran ZR36120/ZR36125 */ #define VID_HARDWARE_ZR36067 26 /* Zoran ZR36067/36060 */ #define VID_HARDWARE_OV511 27 #define VID_HARDWARE_ZR356700 28 /* Zoran 36700 series */ #define VID_HARDWARE_W9966 29 #define VID_HARDWARE_SE401 30 /* SE401 USB webcams */ #define VID_HARDWARE_PWC 31 /* Philips webcams */ #define VID_HARDWARE_MEYE 32 /* Sony Vaio MotionEye cameras */ #define VID_HARDWARE_CPIA2 33 #define VID_HARDWARE_VICAM 34 #define VID_HARDWARE_SF16FMR2 35 #define VID_HARDWARE_W9968CF 36 #define VID_HARDWARE_SAA7114H 37 #endif /* __LINUX_VIDEODEV_H */ /* * Local variables: * c-basic-offset: 8 * End: */