diff options
Diffstat (limited to 'drivers/usb/gadget/uvc_queue.h')
| -rw-r--r-- | drivers/usb/gadget/uvc_queue.h | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/drivers/usb/gadget/uvc_queue.h b/drivers/usb/gadget/uvc_queue.h index 1812a8ecc5d..8e76ce982f1 100644 --- a/drivers/usb/gadget/uvc_queue.h +++ b/drivers/usb/gadget/uvc_queue.h @@ -6,6 +6,7 @@ #include <linux/kernel.h> #include <linux/poll.h> #include <linux/videodev2.h> +#include <media/videobuf2-core.h> /* Maximum frame size in bytes, for sanity checking. */ #define UVC_MAX_FRAME_SIZE (16*1024*1024) @@ -25,42 +26,35 @@ enum uvc_buffer_state { }; struct uvc_buffer { - unsigned long vma_use_count; - struct list_head stream; - - /* Touched by interrupt handler. */ - struct v4l2_buffer buf; + struct vb2_buffer buf; struct list_head queue; - wait_queue_head_t wait; + enum uvc_buffer_state state; + void *mem; + unsigned int length; + unsigned int bytesused; }; -#define UVC_QUEUE_STREAMING (1 << 0) -#define UVC_QUEUE_DISCONNECTED (1 << 1) -#define UVC_QUEUE_DROP_INCOMPLETE (1 << 2) -#define UVC_QUEUE_PAUSED (1 << 3) +#define UVC_QUEUE_DISCONNECTED (1 << 0) +#define UVC_QUEUE_DROP_INCOMPLETE (1 << 1) +#define UVC_QUEUE_PAUSED (1 << 2) struct uvc_video_queue { - enum v4l2_buf_type type; + struct vb2_queue queue; + struct mutex mutex; /* Protects queue */ - void *mem; unsigned int flags; __u32 sequence; - unsigned int count; - unsigned int buf_size; unsigned int buf_used; - struct uvc_buffer buffer[UVC_MAX_VIDEO_BUFFERS]; - struct mutex mutex; /* protects buffers and mainqueue */ - spinlock_t irqlock; /* protects irqqueue */ - struct list_head mainqueue; + spinlock_t irqlock; /* Protects flags and irqqueue */ struct list_head irqqueue; }; static inline int uvc_queue_streaming(struct uvc_video_queue *queue) { - return queue->flags & UVC_QUEUE_STREAMING; + return vb2_is_streaming(&queue->queue); } #endif /* __KERNEL__ */ |