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usb: gadget: Gadget directory cleanup - group usb functions

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The drivers/usb/gadget directory contains many files.
Files which are related can be distributed into separate directories.
This patch moves the USB functions implementations into a separate directory.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2014-07-15 13:09:46 +02:00 • committed by Felipe Balbi
parent 90fccb529d
commit 00a2430ff0
48 changed files with 36 additions and 29 deletions
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63
drivers/usb/gadget/function/uvc_queue.h Normal file
View file

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#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_ */