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Diffstat (limited to 'linux/drivers/media/video/uvc/uvcvideo.h')
-rw-r--r--linux/drivers/media/video/uvc/uvcvideo.h117
1 files changed, 59 insertions, 58 deletions
diff --git a/linux/drivers/media/video/uvc/uvcvideo.h b/linux/drivers/media/video/uvc/uvcvideo.h
index e700bdc20..30a17f24e 100644
--- a/linux/drivers/media/video/uvc/uvcvideo.h
+++ b/linux/drivers/media/video/uvc/uvcvideo.h
@@ -81,9 +81,11 @@ struct uvc_xu_control {
#define UVC_ENTITY_IS_UNIT(entity) (((entity)->type & 0xff00) == 0)
#define UVC_ENTITY_IS_TERM(entity) (((entity)->type & 0xff00) != 0)
#define UVC_ENTITY_IS_ITERM(entity) \
- (((entity)->type & 0x8000) == UVC_TERM_INPUT)
+ (UVC_ENTITY_IS_TERM(entity) && \
+ ((entity)->type & 0x8000) == UVC_TERM_INPUT)
#define UVC_ENTITY_IS_OTERM(entity) \
- (((entity)->type & 0x8000) == UVC_TERM_OUTPUT)
+ (UVC_ENTITY_IS_TERM(entity) && \
+ ((entity)->type & 0x8000) == UVC_TERM_OUTPUT)
/* ------------------------------------------------------------------------
@@ -362,26 +364,6 @@ struct uvc_streaming_header {
__u8 bTriggerUsage;
};
-struct uvc_streaming {
- struct list_head list;
-
- struct usb_interface *intf;
- int intfnum;
- __u16 maxpsize;
-
- struct uvc_streaming_header header;
- enum v4l2_buf_type type;
-
- unsigned int nformats;
- struct uvc_format *format;
-
- struct uvc_streaming_control ctrl;
- struct uvc_format *cur_format;
- struct uvc_frame *cur_frame;
-
- struct mutex mutex;
-};
-
enum uvc_buffer_state {
UVC_BUF_STATE_IDLE = 0,
UVC_BUF_STATE_QUEUED = 1,
@@ -423,26 +405,45 @@ struct uvc_video_queue {
struct list_head irqqueue;
};
-struct uvc_video_device {
+struct uvc_video_chain {
struct uvc_device *dev;
- struct video_device *vdev;
- atomic_t active;
- unsigned int frozen : 1;
+ struct list_head list;
struct list_head iterms; /* Input terminals */
- struct uvc_entity *oterm; /* Output terminal */
- struct uvc_entity *sterm; /* USB streaming terminal */
- struct uvc_entity *processing;
- struct uvc_entity *selector;
- struct list_head extensions;
+ struct list_head oterms; /* Output terminals */
+ struct uvc_entity *processing; /* Processing unit */
+ struct uvc_entity *selector; /* Selector unit */
+ struct list_head extensions; /* Extension units */
+
struct mutex ctrl_mutex;
+};
- struct uvc_video_queue queue;
+struct uvc_streaming {
+ struct list_head list;
+ struct uvc_device *dev;
+ struct video_device *vdev;
+ struct uvc_video_chain *chain;
+ atomic_t active;
+
+ struct usb_interface *intf;
+ int intfnum;
+ __u16 maxpsize;
+
+ struct uvc_streaming_header header;
+ enum v4l2_buf_type type;
- /* Video streaming object, must always be non-NULL. */
- struct uvc_streaming *streaming;
+ unsigned int nformats;
+ struct uvc_format *format;
- void (*decode) (struct urb *urb, struct uvc_video_device *video,
+ struct uvc_streaming_control ctrl;
+ struct uvc_format *cur_format;
+ struct uvc_frame *cur_frame;
+
+ struct mutex mutex;
+
+ unsigned int frozen : 1;
+ struct uvc_video_queue queue;
+ void (*decode) (struct urb *urb, struct uvc_streaming *video,
struct uvc_buffer *buf);
/* Context data used by the bulk completion handler. */
@@ -484,8 +485,10 @@ struct uvc_device {
__u32 clock_frequency;
struct list_head entities;
+ struct list_head chains;
- struct uvc_video_device video;
+ /* Video Streaming interfaces */
+ struct list_head streams;
/* Status Interrupt Endpoint */
struct usb_host_endpoint *int_ep;
@@ -493,9 +496,6 @@ struct uvc_device {
__u8 *status;
struct input_dev *input;
char input_phys[64];
-
- /* Video Streaming interfaces */
- struct list_head streaming;
};
enum uvc_handle_state {
@@ -504,7 +504,8 @@ enum uvc_handle_state {
};
struct uvc_fh {
- struct uvc_video_device *device;
+ struct uvc_video_chain *chain;
+ struct uvc_streaming *stream;
enum uvc_handle_state state;
};
@@ -601,13 +602,13 @@ static inline int uvc_queue_streaming(struct uvc_video_queue *queue)
extern const struct v4l2_file_operations uvc_fops;
/* Video */
-extern int uvc_video_init(struct uvc_video_device *video);
-extern int uvc_video_suspend(struct uvc_video_device *video);
-extern int uvc_video_resume(struct uvc_video_device *video);
-extern int uvc_video_enable(struct uvc_video_device *video, int enable);
-extern int uvc_probe_video(struct uvc_video_device *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);
+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_commit_video(struct uvc_video_device *video,
+extern int uvc_commit_video(struct uvc_streaming *stream,
struct uvc_streaming_control *ctrl);
extern int uvc_query_ctrl(struct uvc_device *dev, __u8 query, __u8 unit,
__u8 intfnum, __u8 cs, void *data, __u16 size);
@@ -621,9 +622,9 @@ extern int uvc_status_suspend(struct uvc_device *dev);
extern int uvc_status_resume(struct uvc_device *dev);
/* Controls */
-extern struct uvc_control *uvc_find_control(struct uvc_video_device *video,
+extern struct uvc_control *uvc_find_control(struct uvc_video_chain *chain,
__u32 v4l2_id, struct uvc_control_mapping **mapping);
-extern int uvc_query_v4l2_ctrl(struct uvc_video_device *video,
+extern int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,
struct v4l2_queryctrl *v4l2_ctrl);
extern int uvc_ctrl_add_info(struct uvc_control_info *info);
@@ -633,23 +634,23 @@ extern void uvc_ctrl_cleanup_device(struct uvc_device *dev);
extern int uvc_ctrl_resume_device(struct uvc_device *dev);
extern void uvc_ctrl_init(void);
-extern int uvc_ctrl_begin(struct uvc_video_device *video);
-extern int __uvc_ctrl_commit(struct uvc_video_device *video, int rollback);
-static inline int uvc_ctrl_commit(struct uvc_video_device *video)
+extern int uvc_ctrl_begin(struct uvc_video_chain *chain);
+extern int __uvc_ctrl_commit(struct uvc_video_chain *chain, int rollback);
+static inline int uvc_ctrl_commit(struct uvc_video_chain *chain)
{
- return __uvc_ctrl_commit(video, 0);
+ return __uvc_ctrl_commit(chain, 0);
}
-static inline int uvc_ctrl_rollback(struct uvc_video_device *video)
+static inline int uvc_ctrl_rollback(struct uvc_video_chain *chain)
{
- return __uvc_ctrl_commit(video, 1);
+ return __uvc_ctrl_commit(chain, 1);
}
-extern int uvc_ctrl_get(struct uvc_video_device *video,
+extern int uvc_ctrl_get(struct uvc_video_chain *chain,
struct v4l2_ext_control *xctrl);
-extern int uvc_ctrl_set(struct uvc_video_device *video,
+extern int uvc_ctrl_set(struct uvc_video_chain *chain,
struct v4l2_ext_control *xctrl);
-extern int uvc_xu_ctrl_query(struct uvc_video_device *video,
+extern int uvc_xu_ctrl_query(struct uvc_video_chain *chain,
struct uvc_xu_control *ctrl, int set);
/* Utility functions */
@@ -661,7 +662,7 @@ extern 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_video_device *video,
+void uvc_video_decode_isight(struct urb *urb, struct uvc_streaming *stream,
struct uvc_buffer *buf);
#endif /* __KERNEL__ */
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-07 21:33:27 +0000