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*******************************************************************************/
/*******************************************************************************
* mvPdma.h - Header File for :
*
* DESCRIPTION:
* This file contains Marvell Controller PDMA HW library API.
* NOTE: This HW library API assumes PDMA source, destination and
* descriptors are cache coherent.
*
* DEPENDENCIES:
* None.
*
*******************************************************************************/
#ifndef __INCmvPdmah
#define __INCmvPdmah
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include "ctrlEnv/mvCtrlEnvSpec.h"
#include "mvSysPdmaConfig.h"
/* defines and enumerations */
#define MV_PDMA_DEBUG
#define MV_PDMA_MAX_CHANNELS_NUM 16 /* maximum number of PDMA channels */
#define MV_PDMA_DESC_ALIGNMENT 0x10 /* 16-byte aligment restriction */
#define MV_PDMA_MAX_TRANSFER_SIZE 8191 /* maximum 8KByte minus 1 */
/* use for enabling the PDMA unit interrupts */
/* pass as a bitmask OR, for example: */
/* (MV_PDMA_END_INTR_EN | MV_PDMA_START_INTR_EN) */
/* To identify normal channel stop it is recommended */
/* to use MV_PDMA_END_INTR_EN and not MV_PDMA_STOP_INTR_EN */
#define MV_PDMA_END_INTR_EN DCMD_ENDIRQEN
#define MV_PDMA_START_INTR_EN DCMD_STARTIRQEN
#define MV_PDMA_STOP_INTR_EN DCSR_STOPIRQEN
#define MV_PDMA_REQ_AFTER_STOP_INTR_EN DCSR_RASIRQEN
#define MV_PDMA_END_OF_RX_INTR_EN DCSR_EORIRQEN
/* Note: do not change the values for these enumerations, */
/* they are used in mvPdmaChanAlloc() as indices to chanMapRequestOffsetTable. */
typedef enum {
MV_PDMA_AC97_MIC = 0,
MV_PDMA_AC97_MODEM_RX = 1,
MV_PDMA_AC97_MODEM_TX = 2,
MV_PDMA_AC97_AUDIO_RX = 3,
MV_PDMA_AC97_AUDIO_TX = 4,
MV_PDMA_AC97_SURROUND_TX = 5,
MV_PDMA_AC97_CENTER_TX = 6,
MV_PDMA_NAND_DATA = 7,
MV_PDMA_NAND_COMMAND = 8,
MV_PDMA_SSP_RX = 9,
MV_PDMA_SSP_TX = 10,
MV_PDMA_MEMORY = 11 /* Note: MUST be last enum */
} MV_PDMA_PERIPH_TYPE;
typedef enum {
MV_PDMA_PERIPH_TO_MEM,
MV_PDMA_MEM_TO_PERIPH,
MV_PDMA_MEM_TO_MEM
} MV_PDMA_TRANSACTION_TYPE;
typedef enum {
MV_PDMA_CHANNEL_STOPPED,
MV_PDMA_CHANNEL_RUNNING,
MV_PDMA_CHANNEL_ERROR
} MV_PDMA_CHAN_STATE;
typedef enum {
MV_PDMA_ALIGNMENT_DEFAULT,
MV_PDMA_ALIGNMENT_USER
} MV_PDMA_ALIGNMENT;
/* typedefs */
/* This struct describes PDMA channel */
typedef struct _mvPdmaChannel
{
MV_U8 chanNumber;
MV_PDMA_PERIPH_TYPE periphType;
MV_U8 srcFlowControl;
MV_U8 dstFlowCtrl;
MV_U32 intrEnMask;
MV_U32 burstSize;
MV_U32 width;
} MV_PDMA_CHANNEL;
/* This struct describes PDMA descriptor structure */
typedef struct _mvPdmaDesc
{
MV_U32 physDescPtr; /* The physical address of the next descriptor, and a STOP flag bit */
MV_U32 physSrcAddr; /* The physical source address */
MV_U32 physDestAddr; /* The physical destination address */
MV_U32 commandValue; /* The Command value, including transfer size */
} MV_PDMA_DESC;
#define MV_PDMA_DESC_SIZE (sizeof(MV_PDMA_DESC))
/* mvPdma.h API list */
MV_STATUS mvPdmaHalInit(MV_U8 pdmaNumChannels);
MV_STATUS mvPdmaChanAlloc(MV_PDMA_PERIPH_TYPE chanType,
MV_U32 intrEnMask,
MV_PDMA_CHANNEL *chanHndl);
MV_STATUS mvPdmaChanFree(MV_PDMA_CHANNEL *chanHndl);
MV_STATUS mvPdmaChanAlignmentSet(MV_PDMA_CHANNEL *chanHndl, MV_PDMA_ALIGNMENT alignment);
MV_STATUS mvPdmaChanAlignmentGet(MV_PDMA_CHANNEL *chanHndl, MV_PDMA_ALIGNMENT *alignment);
MV_PDMA_CHAN_STATE mvPdmaChannelStateGet(MV_PDMA_CHANNEL *chanHndl);
MV_VOID mvPdmaChanRegsPrint(MV_PDMA_CHANNEL *chanHndl);
MV_STATUS mvPdmaChanTransfer(MV_PDMA_CHANNEL *chanHndl,
MV_PDMA_TRANSACTION_TYPE transType,
MV_U32 phySrcAddr,
MV_U32 phyDstAddr,
MV_U16 size,
MV_U32 phyNextDescriptor);
MV_STATUS mvPdmaMemInit(MV_PDMA_CHANNEL *chanHndl,
MV_U32 phyPatternPtr,
MV_U32 phyDstAddr,
MV_U16 size);
MV_U32 mvPdmaCommandRegCalc(MV_PDMA_CHANNEL *chanHndl,
MV_PDMA_TRANSACTION_TYPE transType,
MV_U16 size);
MV_STATUS mvPdmaCommandIntrEnable( MV_PDMA_CHANNEL *chanHndl,
MV_U32 *command);
MV_STATUS mvPdmaUnitStateStore(MV_U32 *stateData, MV_U32 *len);
MV_STATUS mvPdmaWinInit(MV_UNIT_WIN_INFO *addrWinMap);
MV_STATUS mvPdmaWinWrite(MV_U32 winNum, MV_UNIT_WIN_INFO *pAddrDecWin);
MV_STATUS mvPdmaWinRead(MV_U32 winNum, MV_UNIT_WIN_INFO *pAddrDecWin);
MV_STATUS mvPdmaWinEnable(MV_U32 winNum,MV_BOOL enable);
#ifdef MV_PDMA_DEBUG
MV_STATUS mvPdmaSrcAddrRegSet (MV_U8 chan, MV_U32 value);
MV_STATUS mvPdmaDstAddrRegSet(MV_U8 chan, MV_U32 value);
MV_STATUS mvPdmaCmdRegSet(MV_U8 chan, MV_U32 value);
MV_STATUS mvPdmaCntrlRegSet(MV_U8 chan, MV_U32 value);
#endif /* MV_PDMA_DEBUG */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __INCmvPdmah */