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authorMauro Carvalho Chehab <mchehab@brturbo.com.br>2005-11-08 21:37:49 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-09 07:56:21 -0800
commit79436633dbced18aa348f8669ef507109f851303 (patch)
tree46e90aa4e1ebdca2ec5e97bab09e90f06bee1b49 /include/linux/videodev2.h
parentde48eebce8b63dbae7272ee80f4fe0eaddb61278 (diff)
[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 <mchehab@brturbo.com.br> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/videodev2.h')
-rw-r--r--include/linux/videodev2.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 090091560c36..df0f9a24944a 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -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
*/