// 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

 	};