From 79436633dbced18aa348f8669ef507109f851303 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 8 Nov 2005 21:37:49 -0800 Subject: [PATCH] v4l: 809: some changes to allow compiling cx88 and saa7134 - Some changes to allow compiling cx88 and saa7134 without V4L1 support. - This patch will help obsoleting V4L1 API. Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/videodev2.h | 76 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) (limited to 'include/linux/videodev2.h') diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 0900915..df0f9a2 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -18,6 +18,82 @@ #endif #include /* need __user */ +#include +#include + +#define HAVE_V4L2 1 + +/* + * Common stuff for both V4L1 and V4L2 + * Moved from videodev.h + */ + +#define VIDEO_MAX_FRAME 32 + +#define VFL_TYPE_GRABBER 0 +#define VFL_TYPE_VBI 1 +#define VFL_TYPE_RADIO 2 +#define VFL_TYPE_VTX 3 + +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); + + + /* 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; + + /* 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 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 */ + +extern int video_register_device(struct video_device *, int type, int nr); +extern void video_unregister_device(struct video_device *); +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)); + +/* 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); + /* * M I S C E L L A N E O U S */ -- cgit v1.1