📄 hwapi_a2a.h
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/*********************************************************************************
* Copyright (C),2004-2005, Fuzhou Rockchip Co.,Ltd.
* All Rights Reserved
* V1.00
* FileName : hw_a2a.h
* Author : lzy
* Description: a2a dma controller
* History :
* <author> <time> <version> <desc>
* lzy 07/8/18 1.0 ORG
$Log: hwapi_a2a.h,v $
Revision 1.3 2007/10/15 09:00:11 Huangxinyu
根据RK27提交修改driver
Revision 1.2 2007/10/08 02:38:37 Lingzhaojun
添加版本自动注释脚本
*********************************************************************************/
#ifndef _HWAPI_A2A_H
#define _HWAPI_A2A_H
//
#define A2AMode_IntEn (0x01<<12)
#define A2AMode_A1toA2 (0x01<<11)
// burst mode
#define A2AMode_BurstSignle (0x00<<9)
#define A2AMode_Burst4 (0x01<<9)
#define A2AMode_Burst8 (0x02<<9)
#define A2AMode_Burst16 (0x03<<9)
// request mode
#define A2AMode_ReqNo (0x01<<7)
#define A2AMode_ReqSD (0x00<<7)
// source address mode
#define A2AMode_SourceInc (0x00<<6)
#define A2AMode_SourceFix (0x01<<6)
// destination address mode
#define A2AMode_DestInc (0x00<<5)
#define A2AMode_DestFix (0x01<<5)
// data width
#define A2AMode_width8Bit (0x00<<1) // A2A dma is no support byte transmit when address is fixed
#define A2AMode_width16Bit (0x01<<1)
#define A2AMode_width32Bit (0x02<<1)
// transimt mode
#define A2AMode_Soft (0x01<<0)
#define A2AMode_Hard (0x00<<0)
typedef enum A2AError
{
A2ASuccess = 0,
A2AErr = -1,
A2ABusy = -100
}A2AError_t;
typedef void (*A2ACallBack)(void); /*A2ADMA 回调函数*/
typedef enum
{
A2A_chn0 = 0,
A2A_chn1 = 1,
A2A_chnmax
}A2A_Channel_t;
int A2A_Transmit(UINT32 SrcAddr, UINT32 DestinAddr, UINT32 Count, UINT32 Mode, A2ACallBack CallBack);
int A2A_GetStatus(A2A_Channel_t channel);
void A2A_PowerOnInit(void);
void A2A_DeInit(void);
#define A2A_MemByteCopy (A2AMode_ReqNo\
|A2AMode_IntEn\
|A2AMode_Burst16\
|A2AMode_SourceInc\
|A2AMode_DestInc \
|A2AMode_width8Bit\
|A2AMode_Soft)
#define A2A_MemIntCopy (A2AMode_ReqNo\
|A2AMode_IntEn\
|A2AMode_Burst16\
|A2AMode_SourceInc\
|A2AMode_DestInc \
|A2AMode_width32Bit\
|A2AMode_Soft)
#define A2A_TestCopy (A2AMode_ReqNo\
|A2AMode_IntEn\
|A2AMode_Burst8\
|A2AMode_SourceInc\
|A2AMode_DestInc\
|A2AMode_width32Bit\
|A2AMode_Soft)
#endif
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