// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// e32\drivers\medata\ata.h

// 

//

#include <partitions.h>

#if defined (SELECT_PRIMARY_IO_CONFIG)

//

// ATA Register addresses (for primary)

// 

const TUint KAtaDataRdWr16=0x000001F0;

const TUint KAtaDataRdWr8=0x000001F0;

const TUint KAtaErrorRd8=0x000001F1;

const TUint KAtaFeaturesWr8=0x000001F1;

const TUint KAtaSectorCountRdWr8=0x000001F2;

const TUint KAtaSectorNoRdWr8=0x000001F3;

const TUint KAtaLba7_0RdWr8=0x000001F3;

const TUint KAtaCylinderLowRdWr8=0x000001F4;

const TUint KAtaLba15_8RdWr8=0x000001F4;

const TUint KAtaCylinderHighRdWr8=0x000001F5;

const TUint KAtaLba23_16RdWr8=0x000001F5;

const TUint KAtaSelectDriveHeadRdWr8=0x000001F6;

const TUint KAtaDriveLba27_24RdWr8=0x000001F6;

const TUint KAtaStatusRd8=0x000001F7;

const TUint KAtaCommandWr8=0x000001F7;

#else

//

// ATA Register addresses (for either contiguous I/O or memory mapped)

// 

const TUint KAtaDataRdWr16=0x00000000;

const TUint KAtaDataRdWr8=0x00000000;

const TUint KAtaDataRdWrWinBase16=0x00000400;	// Memory mapped only

const TUint KAtaDataRdWrWinBase8=0x00000400;	// Memory mapped only

const TUint KAtaErrorRd8=0x00000001;

const TUint KAtaFeaturesWr8=0x00000001;

const TUint KAtaSectorCountRdWr8=0x00000002;

const TUint KAtaSectorNoRdWr8=0x00000003;

const TUint KAtaLba7_0RdWr8=0x00000003;

const TUint KAtaCylinderLowRdWr8=0x00000004;

const TUint KAtaLba15_8RdWr8=0x00000004;

const TUint KAtaCylinderHighRdWr8=0x00000005;

const TUint KAtaLba23_16RdWr8=0x00000005;

const TUint KAtaSelectDriveHeadRdWr8=0x00000006;

const TUint KAtaDriveLba27_24RdWr8=0x00000006;

const TUint KAtaStatusRd8=0x00000007;

const TUint KAtaCommandWr8=0x00000007;

#endif

//

// ATA Register addresses (for contiguous I/O or memory mapped)

// 

const TUint KAtaDupEvenDataRdWr8=0x00000008;

const TUint KAtaDupOddDataRdWr8=0x00000009;

const TUint KAtaDupErrorRd8=0x0000000D;

const TUint KAtaDupFeaturesWr8=0x0000000D;

const TUint KAtaAltStatusRd8=0x0000000E;

const TUint KAtaDeviceCtlWr8=0x0000000E;

const TUint KAtaDriveAddressRd8=0x0000000F;

//

// ATA Register bit fields 

// 

// KAtaErrorRd8

const TUint8	KAtaErrorAmnf=0x01;

const TUint8	KAtaErrorAbort=0x04;

const TUint8	KAtaErrorIdnf=0x10;

const TUint8	KAtaErrorUnc=0x40;

const TUint8	KAtaErrorBbk=0x80;

// KAtaSelectDriveHeadRdWr8

// KAtaDriveLba27_24RdWr8

const TUint8	KAtaDrvHeadLba27_24=0x0F;

const TUint8	KAtaDrvHeadDrive1=0x10;

const TUint8	KAtaDrvHeadLbaOn=0x40;

// KAtaStatusRd8

const TUint8	KAtaStatusErr=0x01;

const TUint8	KAtaStatusCorr=0x04;

const TUint8	KAtaStatusDrq=0x08;

const TUint8	KAtaStatusDsc=0x10;

const TUint8	KAtaStatusDwf=0x20;

const TUint8	KAtaStatusRdy=0x40;

const TUint8	KAtaStatusBusy=0x80;

// KAtaDeviceCtlWr8

const TUint8	KAtaDeviceCtlIntDis=0x02;

const TUint8	KAtaDeviceCtlSwRes=0x04;

//

// ATA commands

// 

const TUint8 KAtaCmdIdentifyDrive=0xEC;

const TUint8 KAtaCmdReadSectors=0x20;

const TUint8 KAtaCmdWriteSectors=0x30;

const TUint8 KAtaCmdSetFeatures=0xEF;

const TUint8 KAtaCmdRequestSense=0x03;

const TUint8 KAtaCmdFormatTrack=0x50;

const TUint8 KAtaCmdIdle=0xE3;

//

// Defines for Identify Drive Command

//

const TInt KAtaIdDefaultCylinders=2;			// Offset in bytes

const TInt KAtaIdDefaultHeads=6;			

const TInt KAtaIdDefaultSectorsPerTrack=12;			

const TInt KAtaIdCapabilities=98;			

const TUint16	KAtaIdCapLbaSupported=0x0200;

const TInt KAtaIdTranslationParams=106;		

const TUint16 	KAtaIdTrParamsValid=0x0001;		

const TInt KAtaIdCurrentCylinders=108;		

const TInt KAtaIdCurrentHeads=110;			

const TInt KAtaIdCurrentSectorsPerTrack=112;			

const TInt KAtaIdCurrentTotalSectors=114;			

const TInt KAtaIdTotalSectorsInLba=120;		

//

// Drive parameters

//

class TDriveParameters

	{

public:

	TInt iCylinders;

	TInt iHeads;

	TInt iSectorsPerTrack;

	TInt iSectorsPerCylinder;

	TBool iSupportsLba;

	TInt iTotalSectorsInLba;

	};

const TInt KAtaSectorSize=512;

const TInt KAtaSectorSizeMinusOne=(KAtaSectorSize-1);

const TInt KAtaSectorShift=9;

const TUint KAtaSectorMask=0xFFFFFE00;

const TInt KMaxSectorsPerCmd=256; // Maximum sectors that can be transfered in single command

enum TAtaDriveSelect

	{

	ESelectDrive1=KAtaDrvHeadDrive1,

	ESelectDrive0=0x00

	};