diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvcvideo.h')
| -rw-r--r-- | drivers/media/usb/uvc/uvcvideo.h | 144 |
1 files changed, 70 insertions, 74 deletions
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index d9e7c70788d0..5e71160eea91 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -667,40 +667,38 @@ extern unsigned int uvc_hw_timestamps_param; /* Core driver */ extern struct uvc_driver uvc_driver; -extern struct uvc_entity *uvc_entity_by_id(struct uvc_device *dev, int id); +struct uvc_entity *uvc_entity_by_id(struct uvc_device *dev, int id); /* Video buffers queue management. */ -extern int uvc_queue_init(struct uvc_video_queue *queue, - enum v4l2_buf_type type, int drop_corrupted); -extern void uvc_queue_release(struct uvc_video_queue *queue); -extern int uvc_request_buffers(struct uvc_video_queue *queue, - struct v4l2_requestbuffers *rb); -extern int uvc_query_buffer(struct uvc_video_queue *queue, - struct v4l2_buffer *v4l2_buf); -extern int uvc_create_buffers(struct uvc_video_queue *queue, - struct v4l2_create_buffers *v4l2_cb); -extern int uvc_queue_buffer(struct uvc_video_queue *queue, - struct v4l2_buffer *v4l2_buf); -extern int uvc_export_buffer(struct uvc_video_queue *queue, - struct v4l2_exportbuffer *exp); -extern int uvc_dequeue_buffer(struct uvc_video_queue *queue, - struct v4l2_buffer *v4l2_buf, int nonblocking); -extern int uvc_queue_streamon(struct uvc_video_queue *queue, - enum v4l2_buf_type type); -extern int uvc_queue_streamoff(struct uvc_video_queue *queue, - enum v4l2_buf_type type); -extern void uvc_queue_cancel(struct uvc_video_queue *queue, int disconnect); -extern struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, - struct uvc_buffer *buf); -extern int uvc_queue_mmap(struct uvc_video_queue *queue, - struct vm_area_struct *vma); -extern __poll_t uvc_queue_poll(struct uvc_video_queue *queue, - struct file *file, poll_table *wait); +int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, + int drop_corrupted); +void uvc_queue_release(struct uvc_video_queue *queue); +int uvc_request_buffers(struct uvc_video_queue *queue, + struct v4l2_requestbuffers *rb); +int uvc_query_buffer(struct uvc_video_queue *queue, + struct v4l2_buffer *v4l2_buf); +int uvc_create_buffers(struct uvc_video_queue *queue, + struct v4l2_create_buffers *v4l2_cb); +int uvc_queue_buffer(struct uvc_video_queue *queue, + struct v4l2_buffer *v4l2_buf); +int uvc_export_buffer(struct uvc_video_queue *queue, + struct v4l2_exportbuffer *exp); +int uvc_dequeue_buffer(struct uvc_video_queue *queue, + struct v4l2_buffer *v4l2_buf, int nonblocking); +int uvc_queue_streamon(struct uvc_video_queue *queue, enum v4l2_buf_type type); +int uvc_queue_streamoff(struct uvc_video_queue *queue, enum v4l2_buf_type type); +void uvc_queue_cancel(struct uvc_video_queue *queue, int disconnect); +struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, + struct uvc_buffer *buf); +int uvc_queue_mmap(struct uvc_video_queue *queue, + struct vm_area_struct *vma); +__poll_t uvc_queue_poll(struct uvc_video_queue *queue, struct file *file, + poll_table *wait); #ifndef CONFIG_MMU -extern unsigned long uvc_queue_get_unmapped_area(struct uvc_video_queue *queue, - unsigned long pgoff); +unsigned long uvc_queue_get_unmapped_area(struct uvc_video_queue *queue, + unsigned long pgoff); #endif -extern int uvc_queue_allocated(struct uvc_video_queue *queue); +int uvc_queue_allocated(struct uvc_video_queue *queue); static inline int uvc_queue_streaming(struct uvc_video_queue *queue) { return vb2_is_streaming(&queue->queue); @@ -711,18 +709,18 @@ extern const struct v4l2_ioctl_ops uvc_ioctl_ops; extern const struct v4l2_file_operations uvc_fops; /* Media controller */ -extern int uvc_mc_register_entities(struct uvc_video_chain *chain); -extern void uvc_mc_cleanup_entity(struct uvc_entity *entity); +int uvc_mc_register_entities(struct uvc_video_chain *chain); +void uvc_mc_cleanup_entity(struct uvc_entity *entity); /* Video */ -extern int uvc_video_init(struct uvc_streaming *stream); -extern int uvc_video_suspend(struct uvc_streaming *stream); -extern int uvc_video_resume(struct uvc_streaming *stream, int reset); -extern int uvc_video_enable(struct uvc_streaming *stream, int enable); -extern int uvc_probe_video(struct uvc_streaming *stream, - struct uvc_streaming_control *probe); -extern int uvc_query_ctrl(struct uvc_device *dev, __u8 query, __u8 unit, - __u8 intfnum, __u8 cs, void *data, __u16 size); +int uvc_video_init(struct uvc_streaming *stream); +int uvc_video_suspend(struct uvc_streaming *stream); +int uvc_video_resume(struct uvc_streaming *stream, int reset); +int uvc_video_enable(struct uvc_streaming *stream, int enable); +int uvc_probe_video(struct uvc_streaming *stream, + struct uvc_streaming_control *probe); +int uvc_query_ctrl(struct uvc_device *dev, __u8 query, __u8 unit, + __u8 intfnum, __u8 cs, void *data, __u16 size); void uvc_video_clock_update(struct uvc_streaming *stream, struct vb2_v4l2_buffer *vbuf, struct uvc_buffer *buf); @@ -737,32 +735,32 @@ int uvc_register_video_device(struct uvc_device *dev, const struct v4l2_ioctl_ops *ioctl_ops); /* Status */ -extern int uvc_status_init(struct uvc_device *dev); -extern void uvc_status_cleanup(struct uvc_device *dev); -extern int uvc_status_start(struct uvc_device *dev, gfp_t flags); -extern void uvc_status_stop(struct uvc_device *dev); +int uvc_status_init(struct uvc_device *dev); +void uvc_status_cleanup(struct uvc_device *dev); +int uvc_status_start(struct uvc_device *dev, gfp_t flags); +void uvc_status_stop(struct uvc_device *dev); /* Controls */ extern const struct v4l2_subscribed_event_ops uvc_ctrl_sub_ev_ops; -extern int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain, - struct v4l2_queryctrl *v4l2_ctrl); -extern int uvc_query_v4l2_menu(struct uvc_video_chain *chain, - struct v4l2_querymenu *query_menu); - -extern int uvc_ctrl_add_mapping(struct uvc_video_chain *chain, - const struct uvc_control_mapping *mapping); -extern int uvc_ctrl_init_device(struct uvc_device *dev); -extern void uvc_ctrl_cleanup_device(struct uvc_device *dev); -extern int uvc_ctrl_restore_values(struct uvc_device *dev); - -extern int uvc_ctrl_begin(struct uvc_video_chain *chain); -extern int __uvc_ctrl_commit(struct uvc_fh *handle, int rollback, - const struct v4l2_ext_control *xctrls, - unsigned int xctrls_count); +int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain, + struct v4l2_queryctrl *v4l2_ctrl); +int uvc_query_v4l2_menu(struct uvc_video_chain *chain, + struct v4l2_querymenu *query_menu); + +int uvc_ctrl_add_mapping(struct uvc_video_chain *chain, + const struct uvc_control_mapping *mapping); +int uvc_ctrl_init_device(struct uvc_device *dev); +void uvc_ctrl_cleanup_device(struct uvc_device *dev); +int uvc_ctrl_restore_values(struct uvc_device *dev); + +int uvc_ctrl_begin(struct uvc_video_chain *chain); +int __uvc_ctrl_commit(struct uvc_fh *handle, int rollback, + const struct v4l2_ext_control *xctrls, + unsigned int xctrls_count); static inline int uvc_ctrl_commit(struct uvc_fh *handle, - const struct v4l2_ext_control *xctrls, - unsigned int xctrls_count) + const struct v4l2_ext_control *xctrls, + unsigned int xctrls_count) { return __uvc_ctrl_commit(handle, 0, xctrls, xctrls_count); } @@ -771,25 +769,23 @@ static inline int uvc_ctrl_rollback(struct uvc_fh *handle) return __uvc_ctrl_commit(handle, 1, NULL, 0); } -extern int uvc_ctrl_get(struct uvc_video_chain *chain, - struct v4l2_ext_control *xctrl); -extern int uvc_ctrl_set(struct uvc_video_chain *chain, - struct v4l2_ext_control *xctrl); +int uvc_ctrl_get(struct uvc_video_chain *chain, struct v4l2_ext_control *xctrl); +int uvc_ctrl_set(struct uvc_video_chain *chain, struct v4l2_ext_control *xctrl); -extern int uvc_xu_ctrl_query(struct uvc_video_chain *chain, - struct uvc_xu_control_query *xqry); +int uvc_xu_ctrl_query(struct uvc_video_chain *chain, + struct uvc_xu_control_query *xqry); /* Utility functions */ -extern void uvc_simplify_fraction(uint32_t *numerator, uint32_t *denominator, - unsigned int n_terms, unsigned int threshold); -extern uint32_t uvc_fraction_to_interval(uint32_t numerator, - uint32_t denominator); -extern struct usb_host_endpoint *uvc_find_endpoint( - struct usb_host_interface *alts, __u8 epaddr); +void uvc_simplify_fraction(uint32_t *numerator, uint32_t *denominator, + unsigned int n_terms, unsigned int threshold); +uint32_t uvc_fraction_to_interval(uint32_t numerator, uint32_t denominator); +struct usb_host_endpoint *uvc_find_endpoint(struct usb_host_interface *alts, + __u8 epaddr); /* Quirks support */ void uvc_video_decode_isight(struct urb *urb, struct uvc_streaming *stream, - struct uvc_buffer *buf, struct uvc_buffer *meta_buf); + struct uvc_buffer *buf, + struct uvc_buffer *meta_buf); /* debugfs and statistics */ void uvc_debugfs_init(void); |