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uboot-1.1.4-kirkwood/board/mv_feroceon/mv_hal/idma/mvIdma.h

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/*******************************************************************************
Copyright (C) Marvell International Ltd. and its affiliates
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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*******************************************************************************/
/*******************************************************************************
* mvIdma.h - Header File for :
*
* DESCRIPTION:
* This file contains Marvell Controller IDMA HW library API.
* NOTE: This HW library API assumes IDMA source, destination and
* descriptors are cache coherent.
*
* DEPENDENCIES:
* None.
*
*******************************************************************************/
#ifndef __INCmvIdmah
#define __INCmvIdmah
#include "mvCommon.h"
#include "mvOs.h"
#include "idma/mvIdmaRegs.h"
#include "ctrlEnv/mvCtrlEnvSpec.h"
/* defines */
#define MV_IDMA_DESC_ALIGNMENT 0x10 /* 16bytes aligment restriction */
/* typedefs */
/* This struct describes IDMA descriptor structure */
typedef struct _mvDmaDesc
{
MV_U32 byteCnt; /* The total number of bytes to transfer */
MV_U32 phySrcAdd; /* The physical source address */
MV_U32 phyDestAdd; /* The physical destination address */
MV_U32 phyNextDescPtr; /* If we are using chain mode DMA transfer, */
/* then this pointer should point to the */
/* physical address of the next descriptor, */
/* otherwise it should be NULL. */
}MV_DMA_DESC;
/* mvIdma.h API list */
MV_VOID mvDmaHalInit (MV_U32);
MV_STATUS mvDmaCtrlLowSet (MV_U32 chan, MV_U32 ctrlWord);
MV_STATUS mvDmaCtrlHighSet(MV_U32 chan, MV_U32 ctrlWord);
MV_STATUS mvDmaTransfer(MV_U32 chan, MV_U32 phySrc, MV_U32 phyDst, MV_U32 size,
MV_U32 phyNextDescPtr);
MV_STATUS mvDmaMemInit(MV_U32 chan, MV_U32 ptrnPtr, MV_U32 startPtr, MV_U32 size);
MV_STATE mvDmaStateGet(MV_U32 chan);
MV_STATUS mvDmaCommandSet(MV_U32 chan, MV_COMMAND command);
MV_VOID mvIdmaRegs(MV_U32 chan);
#endif /* __INCmvIdmah */