diff options
Diffstat (limited to 'drivers/usb/gadget/uvc_queue.h')
| -rw-r--r-- | drivers/usb/gadget/uvc_queue.h | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/drivers/usb/gadget/uvc_queue.h b/drivers/usb/gadget/uvc_queue.h deleted file mode 100644 index 8e76ce982f1e..000000000000 --- a/drivers/usb/gadget/uvc_queue.h +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef _UVC_QUEUE_H_ -#define _UVC_QUEUE_H_ - -#ifdef __KERNEL__ - -#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) -/* Maximum number of video buffers. */ -#define UVC_MAX_VIDEO_BUFFERS 32 - -/* ------------------------------------------------------------------------ - * Structures. - */ - -enum uvc_buffer_state { - UVC_BUF_STATE_IDLE = 0, - UVC_BUF_STATE_QUEUED = 1, - UVC_BUF_STATE_ACTIVE = 2, - UVC_BUF_STATE_DONE = 3, - UVC_BUF_STATE_ERROR = 4, -}; - -struct uvc_buffer { - struct vb2_buffer buf; - struct list_head queue; - - enum uvc_buffer_state state; - void *mem; - unsigned int length; - unsigned int bytesused; -}; - -#define UVC_QUEUE_DISCONNECTED (1 << 0) -#define UVC_QUEUE_DROP_INCOMPLETE (1 << 1) -#define UVC_QUEUE_PAUSED (1 << 2) - -struct uvc_video_queue { - struct vb2_queue queue; - struct mutex mutex; /* Protects queue */ - - unsigned int flags; - __u32 sequence; - - unsigned int buf_used; - - spinlock_t irqlock; /* Protects flags and irqqueue */ - struct list_head irqqueue; -}; - -static inline int uvc_queue_streaming(struct uvc_video_queue *queue) -{ - return vb2_is_streaming(&queue->queue); -} - -#endif /* __KERNEL__ */ - -#endif /* _UVC_QUEUE_H_ */ - |
