dma.h File Reference

#include <linux/dma-mapping.h>
#include <plat/dma-ops.h>

Go to the source code of this file.

Data Structures
struct	s3c2410_dma_client

Typedefs
typedef void(*	s3c2410_dma_cbfn_t )(struct s3c2410_dma_chan *, void *buf, int size, enum s3c2410_dma_buffresult result)
typedef int(*	s3c2410_dma_opfn_t )(struct s3c2410_dma_chan *, enum s3c2410_chan_op)

Enumerations
enum	s3c2410_dma_buffresult { S3C2410_RES_OK, S3C2410_RES_ERR, S3C2410_RES_ABORT }
enum	s3c2410_chan_op {   S3C2410_DMAOP_START, S3C2410_DMAOP_STOP, S3C2410_DMAOP_PAUSE, S3C2410_DMAOP_RESUME,   S3C2410_DMAOP_FLUSH, S3C2410_DMAOP_TIMEOUT, S3C2410_DMAOP_STARTED }

Functions
int	s3c2410_dma_request (enum dma_ch channel, struct s3c2410_dma_client *, void *dev)
int	s3c2410_dma_ctrl (enum dma_ch channel, enum s3c2410_chan_op op)
int	s3c2410_dma_setflags (enum dma_ch channel, unsigned int flags)
int	s3c2410_dma_free (enum dma_ch channel, struct s3c2410_dma_client *)
int	s3c2410_dma_enqueue (enum dma_ch channel, void *id, dma_addr_t data, int size)
int	s3c2410_dma_config (enum dma_ch channel, int xferunit)
int	s3c2410_dma_devconfig (enum dma_ch channel, enum dma_data_direction source, unsigned long devaddr)
int	s3c2410_dma_getposition (enum dma_ch channel, dma_addr_t *src, dma_addr_t *dest)
int	s3c2410_dma_set_opfn (enum dma_ch, s3c2410_dma_opfn_t rtn)
int	s3c2410_dma_set_buffdone_fn (enum dma_ch, s3c2410_dma_cbfn_t rtn)

Typedef Documentation

typedef void(* s3c2410_dma_cbfn_t)(struct s3c2410_dma_chan *, void *buf, int size, enum s3c2410_dma_buffresult result)

Definition at line 52 of file dma.h.

typedef int(* s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *, enum s3c2410_chan_op)

Definition at line 56 of file dma.h.

Enumeration Type Documentation

enum s3c2410_chan_op

Enumerator:

S3C2410_DMAOP_START
S3C2410_DMAOP_STOP
S3C2410_DMAOP_PAUSE
S3C2410_DMAOP_RESUME
S3C2410_DMAOP_FLUSH
S3C2410_DMAOP_TIMEOUT
S3C2410_DMAOP_STARTED

Definition at line 30 of file dma.h.

enum s3c2410_dma_buffresult

Enumerator:

S3C2410_RES_OK
S3C2410_RES_ERR
S3C2410_RES_ABORT

Definition at line 18 of file dma.h.

Function Documentation

int s3c2410_dma_config	(	enum dma_ch	channel,
		int	xferunit
	)

Definition at line 116 of file dma.c.

int s3c2410_dma_ctrl	(	enum dma_ch	channel,
		enum s3c2410_chan_op	op
	)

Definition at line 300 of file dma.c.

int s3c2410_dma_devconfig	(	enum dma_ch	channel,
		enum dma_data_direction	source,
		unsigned long	devaddr
	)

Definition at line 418 of file dma.c.

int s3c2410_dma_enqueue	(	enum dma_ch	channel,
		void *	id,
		dma_addr_t	data,
		int	size
	)

Definition at line 334 of file dma.c.

int s3c2410_dma_free	(	enum dma_ch	channel,
		struct s3c2410_dma_client *
	)

Definition at line 536 of file dma.c.

int s3c2410_dma_getposition	(	enum dma_ch	channel,
		dma_addr_t *	src,
		dma_addr_t *	dest
	)

Definition at line 466 of file dma.c.

int s3c2410_dma_request	(	enum dma_ch	channel,
		struct s3c2410_dma_client *	,
		void *	dev
	)

Definition at line 490 of file dma.c.

int s3c2410_dma_set_buffdone_fn	(	enum	dma_ch,
		s3c2410_dma_cbfn_t	rtn
	)

Definition at line 59 of file dma.c.

int s3c2410_dma_set_opfn	(	enum	dma_ch,
		s3c2410_dma_opfn_t	rtn
	)

Definition at line 44 of file dma.c.

int s3c2410_dma_setflags	(	enum dma_ch	channel,
		unsigned int	flags
	)

Definition at line 74 of file dma.c.