videobuf-dma-sg.h File Reference

#include <media/videobuf-core.h>

Go to the source code of this file.

Data Structures
struct	videobuf_dmabuf
struct	videobuf_dma_sg_memory

Functions
void	videobuf_dma_init (struct videobuf_dmabuf *dma)
int	videobuf_dma_init_user (struct videobuf_dmabuf *dma, int direction, unsigned long data, unsigned long size)
int	videobuf_dma_init_kernel (struct videobuf_dmabuf *dma, int direction, int nr_pages)
int	videobuf_dma_init_overlay (struct videobuf_dmabuf *dma, int direction, dma_addr_t addr, int nr_pages)
int	videobuf_dma_free (struct videobuf_dmabuf *dma)
int	videobuf_dma_map (struct device *dev, struct videobuf_dmabuf *dma)
int	videobuf_dma_unmap (struct device *dev, struct videobuf_dmabuf *dma)
struct videobuf_dmabuf *	videobuf_to_dma (struct videobuf_buffer *buf)
void *	videobuf_sg_alloc (size_t size)
void	videobuf_queue_sg_init (struct videobuf_queue *q, const struct videobuf_queue_ops *ops, struct device *dev, spinlock_t *irqlock, enum v4l2_buf_type type, enum v4l2_field field, unsigned int msize, void *priv, struct mutex *ext_lock)

Function Documentation

int videobuf_dma_free

(

struct videobuf_dmabuf *

dma

)

Definition at line 312 of file videobuf-dma-sg.c.

void videobuf_dma_init

(

struct videobuf_dmabuf *

dma

)

Definition at line 148 of file videobuf-dma-sg.c.

int videobuf_dma_init_kernel	(	struct videobuf_dmabuf *	dma,
		int	direction,
		int	nr_pages
	)

Definition at line 211 of file videobuf-dma-sg.c.

int videobuf_dma_init_overlay	(	struct videobuf_dmabuf *	dma,
		int	direction,
		dma_addr_t	addr,
		int	nr_pages
	)

Definition at line 234 of file videobuf-dma-sg.c.

int videobuf_dma_init_user	(	struct videobuf_dmabuf *	dma,
		int	direction,
		unsigned long	data,
		unsigned long	size
	)

Definition at line 198 of file videobuf-dma-sg.c.

int videobuf_dma_map	(	struct device *	dev,
		struct videobuf_dmabuf *	dma
	)

Definition at line 251 of file videobuf-dma-sg.c.

int videobuf_dma_unmap	(	struct device *	dev,
		struct videobuf_dmabuf *	dma
	)

Definition at line 295 of file videobuf-dma-sg.c.

void videobuf_queue_sg_init	(	struct videobuf_queue *	q,
		const struct videobuf_queue_ops *	ops,
		struct device *	dev,
		spinlock_t *	irqlock,
		enum v4l2_buf_type	type,
		enum v4l2_field	field,
		unsigned int	msize,
		void *	priv,
		struct mutex *	ext_lock
	)

Definition at line 619 of file videobuf-dma-sg.c.

void* videobuf_sg_alloc

(

size_t

size

)

Definition at line 606 of file videobuf-dma-sg.c.

struct videobuf_dmabuf* videobuf_to_dma ( struct videobuf_buffer *  buf )

read

Definition at line 137 of file videobuf-dma-sg.c.