dma.h File Reference

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Data Structures
struct	jz4740_dma_config

Typedefs
typedef void(*	jz4740_dma_complete_callback_t )(struct jz4740_dma_chan *, int, void *)

Enumerations
enum	jz4740_dma_request_type {   JZ4740_DMA_TYPE_AUTO_REQUEST = 8, JZ4740_DMA_TYPE_UART_TRANSMIT = 20, JZ4740_DMA_TYPE_UART_RECEIVE = 21, JZ4740_DMA_TYPE_SPI_TRANSMIT = 22,   JZ4740_DMA_TYPE_SPI_RECEIVE = 23, JZ4740_DMA_TYPE_AIC_TRANSMIT = 24, JZ4740_DMA_TYPE_AIC_RECEIVE = 25, JZ4740_DMA_TYPE_MMC_TRANSMIT = 26,   JZ4740_DMA_TYPE_MMC_RECEIVE = 27, JZ4740_DMA_TYPE_TCU = 28, JZ4740_DMA_TYPE_SADC = 29, JZ4740_DMA_TYPE_SLCD = 30 }
enum	jz4740_dma_width { JZ4740_DMA_WIDTH_32BIT = 0, JZ4740_DMA_WIDTH_8BIT = 1, JZ4740_DMA_WIDTH_16BIT = 2 }
enum	jz4740_dma_transfer_size {   JZ4740_DMA_TRANSFER_SIZE_4BYTE = 0, JZ4740_DMA_TRANSFER_SIZE_1BYTE = 1, JZ4740_DMA_TRANSFER_SIZE_2BYTE = 2, JZ4740_DMA_TRANSFER_SIZE_16BYTE = 3,   JZ4740_DMA_TRANSFER_SIZE_32BYTE = 4 }
enum	jz4740_dma_flags { JZ4740_DMA_SRC_AUTOINC = 0x2, JZ4740_DMA_DST_AUTOINC = 0x1 }
enum	jz4740_dma_mode { JZ4740_DMA_MODE_SINGLE = 0, JZ4740_DMA_MODE_BLOCK = 1 }

Functions
struct jz4740_dma_chan *	jz4740_dma_request (void *dev, const char *name)
void	jz4740_dma_free (struct jz4740_dma_chan *dma)
void	jz4740_dma_configure (struct jz4740_dma_chan *dma, const struct jz4740_dma_config *config)
void	jz4740_dma_enable (struct jz4740_dma_chan *dma)
void	jz4740_dma_disable (struct jz4740_dma_chan *dma)
void	jz4740_dma_set_src_addr (struct jz4740_dma_chan *dma, dma_addr_t src)
void	jz4740_dma_set_dst_addr (struct jz4740_dma_chan *dma, dma_addr_t dst)
void	jz4740_dma_set_transfer_count (struct jz4740_dma_chan *dma, uint32_t count)
uint32_t	jz4740_dma_get_residue (const struct jz4740_dma_chan *dma)
void	jz4740_dma_set_complete_cb (struct jz4740_dma_chan *dma, jz4740_dma_complete_callback_t cb)

Typedef Documentation

typedef void(* jz4740_dma_complete_callback_t)(struct jz4740_dma_chan *, int, void *)

Definition at line 69 of file dma.h.

Enumeration Type Documentation

enum jz4740_dma_flags

Enumerator:

JZ4740_DMA_SRC_AUTOINC
JZ4740_DMA_DST_AUTOINC

Definition at line 50 of file dma.h.

enum jz4740_dma_mode

Enumerator:

JZ4740_DMA_MODE_SINGLE
JZ4740_DMA_MODE_BLOCK

Definition at line 55 of file dma.h.

enum jz4740_dma_request_type

Enumerator:

JZ4740_DMA_TYPE_AUTO_REQUEST
JZ4740_DMA_TYPE_UART_TRANSMIT
JZ4740_DMA_TYPE_UART_RECEIVE
JZ4740_DMA_TYPE_SPI_TRANSMIT
JZ4740_DMA_TYPE_SPI_RECEIVE
JZ4740_DMA_TYPE_AIC_TRANSMIT
JZ4740_DMA_TYPE_AIC_RECEIVE
JZ4740_DMA_TYPE_MMC_TRANSMIT
JZ4740_DMA_TYPE_MMC_RECEIVE
JZ4740_DMA_TYPE_TCU
JZ4740_DMA_TYPE_SADC
JZ4740_DMA_TYPE_SLCD

Definition at line 21 of file dma.h.

enum jz4740_dma_transfer_size

Enumerator:

JZ4740_DMA_TRANSFER_SIZE_4BYTE
JZ4740_DMA_TRANSFER_SIZE_1BYTE
JZ4740_DMA_TRANSFER_SIZE_2BYTE
JZ4740_DMA_TRANSFER_SIZE_16BYTE
JZ4740_DMA_TRANSFER_SIZE_32BYTE

Definition at line 42 of file dma.h.

enum jz4740_dma_width

Enumerator:

JZ4740_DMA_WIDTH_32BIT
JZ4740_DMA_WIDTH_8BIT
JZ4740_DMA_WIDTH_16BIT

Definition at line 36 of file dma.h.

Function Documentation

void jz4740_dma_configure	(	struct jz4740_dma_chan *	dma,
		const struct jz4740_dma_config *	config
	)

Definition at line 145 of file dma.c.

void jz4740_dma_disable

(

struct jz4740_dma_chan *

dma

)

Definition at line 228 of file dma.c.

void jz4740_dma_enable

(

struct jz4740_dma_chan *

dma

)

Definition at line 215 of file dma.c.

void jz4740_dma_free

(

struct jz4740_dma_chan *

dma

)

Definition at line 207 of file dma.c.

uint32_t jz4740_dma_get_residue

(

const struct jz4740_dma_chan *

dma

)

Definition at line 235 of file dma.c.

struct jz4740_dma_chan* jz4740_dma_request ( void *  dev, const char *  name  )

read

Definition at line 118 of file dma.c.

void jz4740_dma_set_complete_cb	(	struct jz4740_dma_chan *	dma,
		jz4740_dma_complete_callback_t	cb
	)

Definition at line 200 of file dma.c.

void jz4740_dma_set_dst_addr	(	struct jz4740_dma_chan *	dma,
		dma_addr_t	dst
	)

Definition at line 187 of file dma.c.

void jz4740_dma_set_src_addr	(	struct jz4740_dma_chan *	dma,
		dma_addr_t	src
	)

Definition at line 181 of file dma.c.

void jz4740_dma_set_transfer_count	(	struct jz4740_dma_chan *	dma,
		uint32_t	count
	)

Definition at line 193 of file dma.c.