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[PATCH] v4l: 809: some changes to allow compiling cx88 and saa7134

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- Some changes to allow compiling cx88 and saa7134 without V4L1 support.
- This patch will help obsoleting V4L1 API.

Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Mauro Carvalho Chehab
2005-11-08 21:37:49 -08:00
committed by Linus Torvalds
parent de48eebce8
commit 79436633db
6 changed files with 92 additions and 77 deletions
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include/linux/videodev2.h
+76
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@@ -18,6 +18,82 @@
#endif
#include <linux/compiler.h> /* need __user */
#include <linux/poll.h>
#include <linux/device.h>
#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
*/