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

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

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

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32\drivers\medata\ata.h

    15 // 

    16 //

    17 

    18 #include <partitions.h>

    19 

    20 #if defined (SELECT_PRIMARY_IO_CONFIG)

    21 //

    22 // ATA Register addresses (for primary)

    23 // 

    24 const TUint KAtaDataRdWr16=0x000001F0;

    25 const TUint KAtaDataRdWr8=0x000001F0;

    26 

    27 const TUint KAtaErrorRd8=0x000001F1;

    28 const TUint KAtaFeaturesWr8=0x000001F1;

    29 

    30 const TUint KAtaSectorCountRdWr8=0x000001F2;

    31 

    32 const TUint KAtaSectorNoRdWr8=0x000001F3;

    33 const TUint KAtaLba7_0RdWr8=0x000001F3;

    34 

    35 const TUint KAtaCylinderLowRdWr8=0x000001F4;

    36 const TUint KAtaLba15_8RdWr8=0x000001F4;

    37 

    38 const TUint KAtaCylinderHighRdWr8=0x000001F5;

    39 const TUint KAtaLba23_16RdWr8=0x000001F5;

    40 

    41 const TUint KAtaSelectDriveHeadRdWr8=0x000001F6;

    42 const TUint KAtaDriveLba27_24RdWr8=0x000001F6;

    43 

    44 const TUint KAtaStatusRd8=0x000001F7;

    45 const TUint KAtaCommandWr8=0x000001F7;

    46 

    47 #else

    48 //

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

    50 // 

    51 const TUint KAtaDataRdWr16=0x00000000;

    52 const TUint KAtaDataRdWr8=0x00000000;

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

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

    55 

    56 const TUint KAtaErrorRd8=0x00000001;

    57 const TUint KAtaFeaturesWr8=0x00000001;

    58 

    59 const TUint KAtaSectorCountRdWr8=0x00000002;

    60 

    61 const TUint KAtaSectorNoRdWr8=0x00000003;

    62 const TUint KAtaLba7_0RdWr8=0x00000003;

    63 

    64 const TUint KAtaCylinderLowRdWr8=0x00000004;

    65 const TUint KAtaLba15_8RdWr8=0x00000004;

    66 

    67 const TUint KAtaCylinderHighRdWr8=0x00000005;

    68 const TUint KAtaLba23_16RdWr8=0x00000005;

    69 

    70 const TUint KAtaSelectDriveHeadRdWr8=0x00000006;

    71 const TUint KAtaDriveLba27_24RdWr8=0x00000006;

    72 

    73 const TUint KAtaStatusRd8=0x00000007;

    74 const TUint KAtaCommandWr8=0x00000007;

    75 #endif

    76 

    77 //

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

    79 // 

    80 const TUint KAtaDupEvenDataRdWr8=0x00000008;

    81 const TUint KAtaDupOddDataRdWr8=0x00000009;

    82 const TUint KAtaDupErrorRd8=0x0000000D;

    83 const TUint KAtaDupFeaturesWr8=0x0000000D;

    84 const TUint KAtaAltStatusRd8=0x0000000E;

    85 const TUint KAtaDeviceCtlWr8=0x0000000E;

    86 const TUint KAtaDriveAddressRd8=0x0000000F;

    87 

    88 //

    89 // ATA Register bit fields 

    90 // 

    91 // KAtaErrorRd8

    92 const TUint8	KAtaErrorAmnf=0x01;

    93 const TUint8	KAtaErrorAbort=0x04;

    94 const TUint8	KAtaErrorIdnf=0x10;

    95 const TUint8	KAtaErrorUnc=0x40;

    96 const TUint8	KAtaErrorBbk=0x80;

    97 

    98 // KAtaSelectDriveHeadRdWr8

    99 // KAtaDriveLba27_24RdWr8

   100 const TUint8	KAtaDrvHeadLba27_24=0x0F;

   101 const TUint8	KAtaDrvHeadDrive1=0x10;

   102 const TUint8	KAtaDrvHeadLbaOn=0x40;

   103 

   104 // KAtaStatusRd8

   105 const TUint8	KAtaStatusErr=0x01;

   106 const TUint8	KAtaStatusCorr=0x04;

   107 const TUint8	KAtaStatusDrq=0x08;

   108 const TUint8	KAtaStatusDsc=0x10;

   109 const TUint8	KAtaStatusDwf=0x20;

   110 const TUint8	KAtaStatusRdy=0x40;

   111 const TUint8	KAtaStatusBusy=0x80;

   112 

   113 // KAtaDeviceCtlWr8

   114 const TUint8	KAtaDeviceCtlIntDis=0x02;

   115 const TUint8	KAtaDeviceCtlSwRes=0x04;

   116 

   117 //

   118 // ATA commands

   119 // 

   120 const TUint8 KAtaCmdIdentifyDrive=0xEC;

   121 const TUint8 KAtaCmdReadSectors=0x20;

   122 const TUint8 KAtaCmdWriteSectors=0x30;

   123 const TUint8 KAtaCmdSetFeatures=0xEF;

   124 const TUint8 KAtaCmdRequestSense=0x03;

   125 const TUint8 KAtaCmdFormatTrack=0x50;

   126 const TUint8 KAtaCmdIdle=0xE3;

   127 

   128 //

   129 // Defines for Identify Drive Command

   130 //

   131 const TInt KAtaIdDefaultCylinders=2;			// Offset in bytes

   132 const TInt KAtaIdDefaultHeads=6;			

   133 const TInt KAtaIdDefaultSectorsPerTrack=12;			

   134 const TInt KAtaIdCapabilities=98;			

   135 const TUint16	KAtaIdCapLbaSupported=0x0200;

   136 const TInt KAtaIdTranslationParams=106;		

   137 const TUint16 	KAtaIdTrParamsValid=0x0001;		

   138 const TInt KAtaIdCurrentCylinders=108;		

   139 const TInt KAtaIdCurrentHeads=110;			

   140 const TInt KAtaIdCurrentSectorsPerTrack=112;			

   141 const TInt KAtaIdCurrentTotalSectors=114;			

   142 const TInt KAtaIdTotalSectorsInLba=120;		

   143 

   144 //

   145 // Drive parameters

   146 //

   147 class TDriveParameters

   148 	{

   149 public:

   150 	TInt iCylinders;

   151 	TInt iHeads;

   152 	TInt iSectorsPerTrack;

   153 	TInt iSectorsPerCylinder;

   154 	TBool iSupportsLba;

   155 	TInt iTotalSectorsInLba;

   156 	};

   157 

   158 const TInt KAtaSectorSize=512;

   159 const TInt KAtaSectorSizeMinusOne=(KAtaSectorSize-1);

   160 const TInt KAtaSectorShift=9;

   161 const TUint KAtaSectorMask=0xFFFFFE00;

   162 

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

   164 

   165 enum TAtaDriveSelect

   166 	{

   167 	ESelectDrive1=KAtaDrvHeadDrive1,

   168 	ESelectDrive0=0x00

   169 	};

   170