sdma.h

来自「OMAP1030 处理器的ARM 侧硬件测试代码 OMAP1030 是TI」· C头文件 代码 · 共 93 行

/*****************************************************************************
 *
 *           TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION
 *
 *   Property of Texas Instruments
 *   For  Unrestricted  Internal  Use  Only
 *   Unauthorized reproduction and/or distribution is strictly prohibited.
 *   This product is protected under copyright law and trade secret law
 *   as an unpublished work.
 *   Created 2002, (C) Copyright 2002 Texas Instruments.  All rights reserved.
 *
 *              System DMA Controller Access Routines
 *
 *     Author : Brian Forde (S3)
 *              Thady Nolan/Madhav Vij (S3)
 *
 *****************************************************************************/

#ifndef __SDMA_H__
#define __SDMA_H__

#include <gdma_omap32.h>

#define     DMA_OCPT1_PERIF        0x6
#define     DMA_EMIFS_PERIPH       0x7

extern volatile int DMA_Interrupt[DMA_NUMBER_OF_CHANNEL_OMAP32];
extern volatile int DMA_LCD_Interrupt;



extern void SDMA_Setup (int inWithOrWithoutFree);

extern void SDMA_ChannelConfig (UWORD16     inChannel,
                               UWORD16     inSrcPort,
                               void *const inSrcAddr,
                               UWORD16     inDstPort,
                               void *const inDstAddr,
                               UWORD8      inTypeSize,
                               UWORD16     inFrameLength,
                               UWORD16     inFrameCount,
                               UWORD8      inChannelType,
                               UWORD8      inSync);

#define SDMA_ChannelConfigure(inChannel,inSrcPort,inSrcAddr,\
                             inDstPort,inDstAddr,inTypeSize,\
                             inFrameLength,inFrameCount,\
                             inChannelType,inSync)\
           SDMA_ChannelConfig(inChannel,inSrcPort,inSrcAddr,\
                             inDstPort,inDstAddr,inTypeSize,\
                            (inFrameLength)>>(inTypeSize),inFrameCount,\
                             inChannelType,inSync)

extern void SSDMA_SetupLCDChannel (void *const inSrcAddr1,
                                 void *const inSrcAddr2,
                                 UWORD32     inFrameSize);

extern void SDMA_LcdDblIndex(void *const inSrcAddr1,
                             void *const inSrcAddr2,
                            unsigned int inRows,
                            unsigned int inCols,
                                     int inRotate);

extern void SDMA_LcdWindow(void *const inSrcAddr1,
                           void *const inSrcAddr2,
                          unsigned int inSrcRows,
                          unsigned int inSrcCols,
                          unsigned int inDstRows,
                          unsigned int inDstCols,
                                   int inRotate);

extern void SDMA_ChannelLink (UWORD16 inChannel,
                             UWORD16 inNext);

extern void SDMA_ChannelEnable (UWORD16 inChannel);

extern void SDMA_ChannelDisable (UWORD16 inChannel);

extern void SDMA_ChannelRepeat (UWORD16 inChannel);

extern void SDMA_ChannelInterrupt (UWORD16 inChannel,
                                  UWORD16 inFlag,
                                  UWORD16 inMask);

extern void SDMA_LcdChannelEnable (void);

extern void SDMA_LcdChannelDisable (void);

extern void SDMA_LcdChannelRepeat (void);

#endif /* __SDMA_H__ */