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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@46 b08762b0-b915-fc4b-9d8c-17b2551a87ff
204 lines
6.7 KiB
C
204 lines
6.7 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlIPL - libraries - mi
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File: exDma.h
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Date:: $
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$Rev$
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$Author$
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*---------------------------------------------------------------------------*/
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#ifndef TWL_MI_EXDMA_H_
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#define TWL_MI_EXDMA_H_
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#include <twl/misc.h>
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#include <twl/types.h>
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#include <twl/memorymap.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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//----------------------------------------------------------------------
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//---- registers
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typedef struct
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{
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const void * src;
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void * dest;
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u32 totalCount;
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u32 wordCount;
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u32 blockInterval;
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u32 fillData;
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u32 ctrl;
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}
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t_MIExDmaChanRegs;
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typedef volatile t_MIExDmaChanRegs MIExDmaChanRegs;
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//================================================================================
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// DMA control definition
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//================================================================================
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//---- DMA channel No.
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#define MI_EXDMA_CH_MIN 4
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#define MI_EXDMA_CH_MAX 7
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#define MI_EXDMA_CH_NUM 4
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//================================================================================
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// DMA WAIT
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//================================================================================
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/*---------------------------------------------------------------------------*
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Name: MIi_IsExDmaBusy
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Description: check whether extended DMA is busy or not
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Arguments: dmaNo : DMA channel No.
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Returns: TRUE if extended DMA is busy, FALSE if not
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*---------------------------------------------------------------------------*/
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BOOL MIi_IsExDmaBusy( u32 dmaNo );
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/*---------------------------------------------------------------------------*
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Name: MIi_WaitExDma
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Description: wait while extended DMA is busy
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Arguments: dmaNo : DMA channel No.
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Returns: None
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*---------------------------------------------------------------------------*/
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void MIi_WaitExDma( u32 dmaNo );
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/*---------------------------------------------------------------------------*
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Name: MIi_StopExDma
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Description: stop extended DMA
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Arguments: dmaNo : DMA channel No.
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Returns: None
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*---------------------------------------------------------------------------*/
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void MIi_StopExDma( u32 dmaNo );
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/*---------------------------------------------------------------------------*
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Name: MIi_StopDmaAsync
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Description: stop extended DMA
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async version
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Arguments: dmaNo : DMA channel No.
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Returns: None
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*---------------------------------------------------------------------------*/
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void MIi_StopExDmaAsync( u32 dmaNo );
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//================================================================================
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// memory operation using DMA
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//================================================================================
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/*---------------------------------------------------------------------------*
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Name: MIi_ExDmaSendAsync
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Description: send data with DMA
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sync version
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Arguments: dmaNo : DMA channel No.
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dest : destination address
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src : source address
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size : size (byte)
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Returns: None
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*---------------------------------------------------------------------------*/
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void MIi_ExDmaSendAsync( u32 dmaNo, const void *src, void *dest, u32 size );
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/*---------------------------------------------------------------------------*
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Name: MIi_ExDmaRecvAsync
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Description: receive data with DMA
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sync version
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Arguments: dmaNo : DMA channel No.
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dest : destination address
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src : source address
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size : size (byte)
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Returns: None
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*---------------------------------------------------------------------------*/
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void MIi_ExDmaRecvAsync( u32 dmaNo, const void *src, void *dest, u32 size );
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//----------------- internel functions -------------------
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/*---------------------------------------------------------------------------*
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Name: MIi_ExDmaSendAsyncCore
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Description: send data with DMA
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async version
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Arguments: dmaNo : DMA channel No.
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dest : destination address
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src : source address
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size : size (byte)
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blockSize : block size
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Returns: None
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*---------------------------------------------------------------------------*/
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void MIi_ExDmaSendAsyncCore( u32 dmaNo, const void *src, void *dest, u32 size, u32 oneShotSize,
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u32 blockSize, u32 interval, u32 prescale,
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u32 continuous, u32 srcRld, u32 destRld,
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u32 timing );
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/*---------------------------------------------------------------------------*
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Name: MIi_ExDmaRecvAsyncCore
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Description: receive data with DMA
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async version
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Arguments: dmaNo : DMA channel No.
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dest : destination address
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src : source address
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size : size (byte)
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blockSize : block size
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Returns: None
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*---------------------------------------------------------------------------*/
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void MIi_ExDmaRecvAsyncCore( u32 dmaNo, const void *src, void *dest, u32 size, u32 oneShotSize,
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u32 blockSize, u32 interval, u32 prescale,
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u32 continuous, u32 srcRld, u32 destRld,
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u32 timing );
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/*---------------------------------------------------------------------------*
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Name: MIi_SetExDmaParams
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Description: set DMA
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Arguments: dmaNo : DMA channel No.
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dest : destination address
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src : source address
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size : size (byte)
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blockSize : block size
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Returns: None
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*---------------------------------------------------------------------------*/
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void MIi_SetExDmaParams( u32 dmaNo, const void *src, void *dest, u32 size, u32 oneShotSize,
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u32 blockSize, u32 interval, u32 prescale,
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u32 continuous, u32 srcRld, u32 destRld,
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u32 timing,
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u32 fillData, u32 srcDir, u32 destDir);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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/* TWL_MI_EXDMA_H_ */
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#endif
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