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
  */