arc_dma.h File Reference

#include <stdint.h>
#include <stdbool.h>

Go to the source code of this file.

Macros
#define	DMA_AUX_BASE   (0xd00)
#define	DMA_C_CTRL_AUX   (0xd00 + 0x0)
#define	DMA_C_CHAN_AUX   (0xd00 + 0x1)
#define	DMA_C_SRC_AUX   (0xd00 + 0x2)
#define	DMA_C_SRC_HI_AUX   (0xd00 + 0x3)
#define	DMA_C_DST_AUX   (0xd00 + 0x4)
#define	DMA_C_DST_HI_AUX   (0xd00 + 0x5)
#define	DMA_C_ATTR_AUX   (0xd00 + 0x6)
#define	DMA_C_LEN_AUX   (0xd00 + 0x7)
#define	DMA_C_HANDLE_AUX   (0xd00 + 0x8)
#define	DMA_C_STAT_AUX   (0xd00 + 0xc)
#define	DMA_S_CTRL_AUX   (0xd00 + 0x10)
#define	DMA_S_BASEC_AUX(ch)
#define	DMA_S_LASTC_AUX(ch)
#define	DMA_S_STATC_AUX(ch)
#define	DMA_S_DONESTATD_AUX(d)
#define	DMA_S_DONESTATD_CLR_AUX(d)
#define	ARC_DMA_NP_ATTR   (1 << 3) /*Enable non posted writes */
#define	ARC_DMA_SET_DONE_ATTR   (1 << 0) /* Set done without triggering interrupt */

Functions
void	ArcDmaConfig (void)
void	ArcDmaInitCh (uint32_t dma_ch, uint32_t base, uint32_t last)
void	ArcDmaStart (uint32_t dma_ch, const void *p_src, void *p_dest, uint32_t len, uint32_t attr)
void	ArcDmaNext (const void *p_src, void *p_dest, uint32_t len, uint32_t attr)
uint32_t	ArcDmaGetHandle (void)
uint32_t	ArcDmaPollBusy (void)
void	ArcDmaClearDone (uint32_t handle)
uint32_t	ArcDmaGetDone (uint32_t handle)
bool	ArcDmaTransfer (const void *src, void *dst, uint32_t size)

Macro Definition Documentation

ARC_DMA_NP_ATTR

#define ARC_DMA_NP_ATTR   (1 << 3) /*Enable non posted writes */

ARC_DMA_SET_DONE_ATTR

#define ARC_DMA_SET_DONE_ATTR   (1 << 0) /* Set done without triggering interrupt */

DMA_AUX_BASE

#define DMA_AUX_BASE   (0xd00)

DMA_C_ATTR_AUX

#define DMA_C_ATTR_AUX   (0xd00 + 0x6)

DMA_C_CHAN_AUX

#define DMA_C_CHAN_AUX   (0xd00 + 0x1)

DMA_C_CTRL_AUX

#define DMA_C_CTRL_AUX   (0xd00 + 0x0)

DMA_C_DST_AUX

#define DMA_C_DST_AUX   (0xd00 + 0x4)

DMA_C_DST_HI_AUX

#define DMA_C_DST_HI_AUX   (0xd00 + 0x5)

DMA_C_HANDLE_AUX

#define DMA_C_HANDLE_AUX   (0xd00 + 0x8)

DMA_C_LEN_AUX

#define DMA_C_LEN_AUX   (0xd00 + 0x7)

DMA_C_SRC_AUX

#define DMA_C_SRC_AUX   (0xd00 + 0x2)

DMA_C_SRC_HI_AUX

#define DMA_C_SRC_HI_AUX   (0xd00 + 0x3)

DMA_C_STAT_AUX

#define DMA_C_STAT_AUX   (0xd00 + 0xc)

DMA_S_BASEC_AUX

#define DMA_S_BASEC_AUX

(

ch

)

Value:

(0xd00 + 0x83 + (ch))

DMA_S_CTRL_AUX

#define DMA_S_CTRL_AUX   (0xd00 + 0x10)

DMA_S_DONESTATD_AUX

#define DMA_S_DONESTATD_AUX

(

d

)

Value:

        (0xd00 + 0x20 + (d)) /* Descriptor seclection. Each D stores descriptors d*32 +: 32 */

DMA_S_DONESTATD_CLR_AUX

#define DMA_S_DONESTATD_CLR_AUX

(

d

)

Value:

(0xd00 + 0x40 + (d))

DMA_S_LASTC_AUX

#define DMA_S_LASTC_AUX

(

ch

)

Value:

(0xd00 + 0x84 + (ch))

DMA_S_STATC_AUX

#define DMA_S_STATC_AUX

(

ch

)

Value:

(0xd00 + 0x86 + (ch))

Function Documentation

ArcDmaClearDone()

void ArcDmaClearDone

(

uint32_t

handle

)

ArcDmaConfig()

void ArcDmaConfig

(

void

)

ArcDmaGetDone()

uint32_t ArcDmaGetDone

(

uint32_t

handle

)

ArcDmaGetHandle()

uint32_t ArcDmaGetHandle

(

void

)

ArcDmaInitCh()

void ArcDmaInitCh	(	uint32_t	dma_ch,
		uint32_t	base,
		uint32_t	last )

ArcDmaNext()

void ArcDmaNext	(	const void *	p_src,
		void *	p_dest,
		uint32_t	len,
		uint32_t	attr )

ArcDmaPollBusy()

uint32_t ArcDmaPollBusy

(

void

)

ArcDmaStart()

void ArcDmaStart	(	uint32_t	dma_ch,
		const void *	p_src,
		void *	p_dest,
		uint32_t	len,
		uint32_t	attr )

ArcDmaTransfer()

bool ArcDmaTransfer	(	const void *	src,
		void *	dst,
		uint32_t	size )