diff options
Diffstat (limited to 'drivers/media/video/uvc/uvcvideo.h')
| -rw-r--r-- | drivers/media/video/uvc/uvcvideo.h | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index 892e0e51916c..d97cf6d6a4f9 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -27,8 +27,6 @@ #define UVC_CONTROL_RESTORE (1 << 6) /* Control can be updated by the camera. */ #define UVC_CONTROL_AUTO_UPDATE (1 << 7) -/* Control is an extension unit control. */ -#define UVC_CONTROL_EXTENSION (1 << 8) #define UVC_CONTROL_GET_RANGE (UVC_CONTROL_GET_CUR | UVC_CONTROL_GET_MIN | \ UVC_CONTROL_GET_MAX | UVC_CONTROL_GET_RES | \ @@ -159,7 +157,8 @@ struct uvc_xu_control { * Driver specific constants. */ -#define DRIVER_VERSION_NUMBER KERNEL_VERSION(0, 1, 0) +#define DRIVER_VERSION_NUMBER KERNEL_VERSION(1, 0, 0) +#define DRIVER_VERSION "v1.0.0" /* Number of isochronous URBs. */ #define UVC_URBS 5 @@ -173,6 +172,9 @@ struct uvc_xu_control { #define UVC_CTRL_CONTROL_TIMEOUT 300 #define UVC_CTRL_STREAMING_TIMEOUT 5000 +/* Maximum allowed number of control mappings per device */ +#define UVC_MAX_CONTROL_MAPPINGS 1024 + /* Devices quirks */ #define UVC_QUIRK_STATUS_INTERVAL 0x00000001 #define UVC_QUIRK_PROBE_MINMAX 0x00000002 @@ -198,11 +200,10 @@ struct uvc_device; * structures to maximize cache efficiency. */ struct uvc_control_info { - struct list_head list; struct list_head mappings; __u8 entity[16]; - __u8 index; + __u8 index; /* Bit index in bmControls */ __u8 selector; __u16 size; @@ -235,17 +236,17 @@ struct uvc_control_mapping { struct uvc_control { struct uvc_entity *entity; - struct uvc_control_info *info; + struct uvc_control_info info; __u8 index; /* Used to match the uvc_control entry with a uvc_control_info. */ - __u8 dirty : 1, - loaded : 1, - modified : 1, - cached : 1; + __u8 dirty:1, + loaded:1, + modified:1, + cached:1, + initialized:1; __u8 *uvc_data; - __u8 *uvc_info; }; struct uvc_format_desc { @@ -392,7 +393,6 @@ struct uvc_video_queue { void *mem; unsigned int flags; - __u32 sequence; unsigned int count; unsigned int buf_size; @@ -413,7 +413,7 @@ struct uvc_video_chain { struct uvc_entity *processing; /* Processing unit */ struct uvc_entity *selector; /* Selector unit */ - struct mutex ctrl_mutex; + struct mutex ctrl_mutex; /* Protects ctrl.info */ }; struct uvc_streaming { @@ -458,6 +458,7 @@ struct uvc_streaming { dma_addr_t urb_dma[UVC_URBS]; unsigned int urb_size; + __u32 sequence; __u8 last_fid; }; @@ -474,8 +475,8 @@ struct uvc_device { char name[32]; enum uvc_device_state state; - struct list_head list; atomic_t users; + atomic_t nmappings; /* Video control interface */ __u16 uvc_version; @@ -509,11 +510,6 @@ struct uvc_fh { struct uvc_driver { struct usb_driver driver; - - struct list_head devices; /* struct uvc_device list */ - struct list_head controls; /* struct uvc_control_info list */ - struct mutex ctrl_mutex; /* protects controls and devices - lists */ }; /* ------------------------------------------------------------------------ @@ -615,13 +611,11 @@ extern struct uvc_control *uvc_find_control(struct uvc_video_chain *chain, 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); -extern int uvc_ctrl_add_mapping(struct uvc_control_mapping *mapping); +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_resume_device(struct uvc_device *dev); -extern void uvc_ctrl_init(void); -extern void uvc_ctrl_cleanup(void); extern int uvc_ctrl_begin(struct uvc_video_chain *chain); extern int __uvc_ctrl_commit(struct uvc_video_chain *chain, int rollback); |