+#ifdef __KERNEL__
+
+#include <linux/mm.h>
+
+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);
+}
+
+#if OBSOLETE_OWNER /* to be removed in 2.6.15 */
+/* 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;
+}
+#endif
+
+extern int video_exclusive_open(struct inode *inode, struct file *file);
+extern int video_exclusive_release(struct inode *inode, struct file *file);
+#endif /* __KERNEL__ */