summaryrefslogtreecommitdiffstats
path: root/include/linux/videodev.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/videodev.h')
-rw-r--r--include/linux/videodev.h443
1 files changed, 443 insertions, 0 deletions
diff --git a/include/linux/videodev.h b/include/linux/videodev.h
new file mode 100644
index 000000000000..9d6fbde3d29c
--- /dev/null
+++ b/include/linux/videodev.h
@@ -0,0 +1,443 @@
+#ifndef __LINUX_VIDEODEV_H
+#define __LINUX_VIDEODEV_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <linux/version.h>
+
+#define HAVE_V4L2 1
+#include <linux/videodev2.h>
+
+#ifdef __KERNEL__
+
+#include <linux/poll.h>
+#include <linux/mm.h>
+#include <linux/device.h>
+
+struct video_device
+{
+ /* device info */
+ struct device *dev;
+ 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);
+
+
+#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 */
+ char devfs_name[64]; /* devfs */
+ struct class_device class_dev; /* sysfs */
+};
+
+#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*);
+
+#define to_video_device(cd) container_of(cd, struct video_device, class_dev)
+static inline void
+video_device_create_file(struct video_device *vfd,
+ struct class_device_attribute *attr)
+{
+ class_device_create_file(&vfd->class_dev, attr);
+}
+static inline void
+video_device_remove_file(struct video_device *vfd,
+ struct class_device_attribute *attr)
+{
+ class_device_remove_file(&vfd->class_dev, attr);
+}
+
+/* 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 __user *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
+#define VID_HARDWARE_SN9C102 38
+#define VID_HARDWARE_ARV 39
+#endif /* __LINUX_VIDEODEV_H */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */