ata.h

三星2413芯片的测试代码,对进行驱动开发很有帮助.

/*----------------------------------------------------------------------
 *
 * Filename: ata.h
 *
 * Contents: class ATA
 *
 * Authors: Whing, Anderson, Sean, ...
 *
 * Notes:
 *   1.
 *   2.
 *
 * Copyright (c) 2005 SAMSUNG Electronics.
 *----------------------------------------------------------------------
 */

#ifndef __ATA_H__
#define __ATA_H__

#ifdef __cplusplus
extern "C" {
#endif

#include "def.h"
//#include "myLIB.h"
//#include "def.h"
//#include "fat.h"

void Ch23_Ata(void);
//void INTC_Mask(int nInt);
void WaitForDeviceAccessReady(void);
U16 GetDataFromDevice() ;
U8 ReadDeviceReg(U32 nRegister) ;
U32 WaitForNoBusyStatus(void);
void WaitForTransferDone(void);
void WriteOnTaskFileReg(U32 nRegister,U32 nValue) ;
U32 GetMaxSectors();
void IdentifyDevice(void);
void SetAtaOnOff(U8 OnOff);
void SetLittleEndian(void);
void ATA_Init(void);
void SetPioMode(int  pmode);
void SetMultiple(U32 nSector);
void SetAtaDevice(U32 uLBA, U32 uSectorCount);
void SetUdmaMode(int umode) ;
U32 OpenMedia(int mode);
void SetConfigMode(int mode, U32 isWriteMode);
void SetTransferCommand(U8 command);
void PutDataToDevice(U16 data) ;
void VerifyData(U32 writeBufferAddr, U32 readBufferAddr, U32 sectors);
U32 ReadSectors_Pio(U32 uLBA, U32 uSectorCount, U32 uDesAddress);
U32 WriteSectors_Pio(U32 nLBA,U32 nSectorCount,U32 nSrcAddress);
U32 ReadSector_PioDma(U32 uLBA, U32 uDesAddress) ;
U32 WriteSector_PioDma(U32 uLBA, U32 uSrcAddress);
U32 ReadSectors_Udma(U32 uLBA,U32 uSectorCount,U32 uDstAddress);
U32 WriteSectors_Udma(U32 uLBA,U32 uSectorCount,U32 uSrcAddress) ;
U32 ReadBlocks(U32 uStBlock, U32 uBlocks, U32 uBufAddr);
U32 WriteBlocks(U32 uStBlock, U32 uBlocks, U32 uBufAddr);
U32 Compare32(U32 a0, U32 a1, U32 words);
void Dump32(U32 addr, U32 words);
void TestPioDmaMode(void);
void TestPioDmaModeRead(void);
void TestPioMode(void);
void TestPioModeRead(void);

//+daedoo 060919
void ATA_ClearPending(U32 nbit);
//void ATA_FindInterruptRequest(U32& nthBit);
void ATA_ClearAllInterrupt(void);
U32 IsDmaDone(void);
void TestPioIntMode(void);
void TestPioDmaIntMode(void);





void Start(void);
void Stop (void);
void ReadTime(U32 count);


struct ATA_DEV_INFO 
{
	U32 CurrentCommand;
	U32 MaxMultiple;
	U32 CurrentMultiple;
	U32 MaxSectors; 
	U32 DeviceType;
	int MaxPioMode;
	int MaxUdmaMode;
	int CurrentPioMode;
	int CurrentUdmaMode;
} ;

enum ATA_ERR 
{
	ATA_NO_ERROR,
	ATA_TIMEOUT,
	ATA_ABORT,
	ATA_OUT_OF_ADDRESS,
	ATA_UNCORRECTABLE_DATA,
	ATA_DEV_INFO_BUSY,
	ATA_UNKNOWN
};

#define PIO0 0
#define PIO1 1
#define PIO2 2
#define PIO3 3
#define PIO4 4

#define UDMA0	1
#define UDMA1	2
#define UDMA2	3
#define UDMA3	4
#define UDMA4	5

#define true 1
#define false 0

enum ATA_TRANSFER_COMMAND 
{
	ATA_CMD_STOP, ATA_CMD_START, ATA_CMD_ABORT, ATA_CMD_CONTINUE
};

enum ATA_INT_SRC 
{
	ATA_INT_XFER_DONE=0, ATA_INT_UDMA_HOLD, ATA_INT_IRQ, ATA_INT_TBUF_FULL, ATA_INT_SBUF_EMPTY
};

#define PIO 1
#define	PIODMA 2
#define UDMA	3

#define SRC_INT_NUM 6 

#ifdef __cplusplus
}
#endif


#endif // __ATA_H__