sl@0: // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32\drivers\pbus\pccard\spccard.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <pccard.h>
sl@0: #include "cis.h"
sl@0: 
sl@0: LOCAL_D const TPccdAccessSpeed CisDevSpeedTable[8] =
sl@0: 	{EAcSpeedInValid,EAcSpeed250nS,EAcSpeed200nS,EAcSpeed150nS,
sl@0: 	EAcSpeed100nS,EAcSpeedInValid,EAcSpeedInValid,EAcSpeedInValid};
sl@0: LOCAL_D const TUint32 CisDevSizeInBytesTable[8] =
sl@0: 	{0x00000200,0x00000800,0x00002000,0x00008000,0x00020000,0x00080000,0x00200000,0};
sl@0: LOCAL_D const TInt CisMantisaTable[0x10] =
sl@0: 	{10,12,13,15,20,25,30,35,40,45,50,55,60,70,80,90};
sl@0: LOCAL_D const TInt CisSpeedExponentTable[8] =
sl@0: 	{0,1,10,100,1000,10000,100000,1000000};
sl@0: 
sl@0: GLDEF_C void PcCardPanic(TPcCardPanic aPanic)
sl@0: 	{
sl@0: 	Kern::Fault("PCCARD",aPanic);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TPccdAccessSpeed DevSpeedFromExtended(TInt aSpeedInNanoSecs)
sl@0: 	{
sl@0: 
sl@0: 	if (aSpeedInNanoSecs<=100) return(EAcSpeed100nS);
sl@0: 	if (aSpeedInNanoSecs<=150) return(EAcSpeed150nS);
sl@0: 	if (aSpeedInNanoSecs<=200) return(EAcSpeed200nS);
sl@0: 	if (aSpeedInNanoSecs<=250) return(EAcSpeed250nS);
sl@0: 	if (aSpeedInNanoSecs<=300) return(EAcSpeed300nS);
sl@0: 	if (aSpeedInNanoSecs<=450) return(EAcSpeed450nS);
sl@0: 	if (aSpeedInNanoSecs<=600) return(EAcSpeed600nS);
sl@0: 	if (aSpeedInNanoSecs<=750) return(EAcSpeed750nS);
sl@0: 	return(EAcSpeedExtended);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TMemDeviceType DevType(TInt aTypeCode)
sl@0: 	{
sl@0: 	if ( aTypeCode>=KTpDiDTypeNull && aTypeCode<=KTpDiDTypeDram )
sl@0: 		return( (TMemDeviceType)aTypeCode );
sl@0: 	else if (aTypeCode>=KTpDiDTypeFuncSpec)
sl@0: 		return(EDeviceFunSpec);
sl@0: 	else
sl@0: 		return(EDeviceInvalid);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TInt ExtendedSpeedToNanoSeconds(TUint8 aVal)
sl@0: //
sl@0: // Converts extended device speed field to speed in nS.
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	TInt mant=(aVal&KCisTplMantM)>>KCisTplMantFO;
sl@0: 	TInt s=(mant==0)?0:CisMantisaTable[mant-1];
sl@0: 	s*=CisSpeedExponentTable[aVal&KCisTplExponM];
sl@0: 	return(s);
sl@0: 	}
sl@0: 	 
sl@0: LOCAL_C TInt PwrTplToMicroAmps(TUint aVal,TUint anExt)
sl@0: //
sl@0: // Converts a power tuple into an integer value - units uA.
sl@0: //
sl@0: 	{
sl@0: 	TInt p=CisMantisaTable[(aVal&KCisTplMantM)>>KCisTplMantFO];
sl@0: 	p*=10;
sl@0: 	if (anExt<=99)
sl@0: 		p+=anExt;	// Add on the extension
sl@0: 	switch ( aVal&KCisTplExponM )
sl@0: 		{
sl@0: 		case 7: return(p*=10000);   case 6: return(p*=1000); 
sl@0: 		case 5: return(p*=100);	 	case 4: return(p*=10); 
sl@0: 		case 3: return(p);  		case 2: return(p/=10);
sl@0: 		case 1: return(p/=100);
sl@0: 		default: return(0); // Anything else is too small to worry about 
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TInt PwrTplToMilliVolts(TUint aVal,TUint anExt)
sl@0: //
sl@0: // Converts a power tuple into a integer value - units mV.
sl@0: //
sl@0: 	{
sl@0: 	return(PwrTplToMicroAmps(aVal,anExt)/10);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TInt ParseConfigTuple(TDes8 &configTpl,TPcCardConfig &anInfo,TInt &aLastEntry)
sl@0: //
sl@0: // Parse a KCisTplConfig tuple.
sl@0: // (Always alters iConfigBaseAddr and iRegPresent).  
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	anInfo.iConfigBaseAddr=0;
sl@0: 	anInfo.iRegPresent=0;
sl@0: 
sl@0: 	// Get the sizes of the ConfReg base addr & ConfReg present fields
sl@0: 	TInt rasz=((configTpl[2]&KTpCcRaszM)>>KTpCcRaszFO)+1;
sl@0: 	TInt rmsz=((configTpl[2]&KTpCcRmszM)>>KTpCcRmszFO)+1;
sl@0: 	if ( (configTpl.Size()-4) < (rasz+rmsz) )
sl@0: 		return(KErrNotSupported); // Size of fields longer than tuple length.
sl@0: 	aLastEntry=configTpl[3];
sl@0: 
sl@0: 	// Read Config. Reg. base address.
sl@0: 	TInt i;
sl@0: 	for (i=0;i<rasz;i++)
sl@0: 		anInfo.iConfigBaseAddr += (configTpl[4+i]<<(8*i));
sl@0: 
sl@0: 	// Read Config. Reg. present mask
sl@0: 	if (rmsz>4) rmsz=4;	  // We only have 32bit field
sl@0: 	for (i=0;i<rmsz;i++)
sl@0: 		anInfo.iRegPresent += (configTpl[4+rasz+i]<<(8*i));
sl@0: 	return(KErrNone); // Ignore custom interface subtuples
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TInt ParsePowerEntry(const TUint8 *aTplPtr,TInt *aVMax,TInt *aVMin,TInt *aPeakI,TInt *aPdwnI)
sl@0: //
sl@0: // Parse a Power descriptor in a KCisTplCfTableEntry tuple. Returns the 
sl@0: // number of bytes we have parsed. 
sl@0: //
sl@0: 	{
sl@0: 	const TUint8 *initPtr = aTplPtr;
sl@0: 	TUint8 present = *aTplPtr++;
sl@0: 	TBuf8<16> pwr;
sl@0: 	pwr.FillZ(16);	  // Important
sl@0: 
sl@0: 	TInt i;
sl@0: 	for (i=0;i<16;i+=2,present>>=1)
sl@0: 		{
sl@0: 		if (present&0x01)
sl@0: 			{
sl@0: 			pwr[i]=(TUint8)((*aTplPtr)&(~KCisTplExt));
sl@0: 			if (*aTplPtr++ & KCisTplExt)
sl@0: 				{
sl@0: 				pwr[i+1]=(TUint8)((*aTplPtr)&(~KCisTplExt));	// Extension tuple
sl@0: 				while( *aTplPtr++ & KCisTplExt );				// Jump past any more extensions
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (aVMin && aVMax)
sl@0: 		{
sl@0: 		if (pwr[0])						 // NomV (assume +/-5%)
sl@0: 			{
sl@0: 			(*aVMin)=(*aVMax)=PwrTplToMilliVolts(pwr[0],pwr[1]);
sl@0: 			(*aVMin) = ((*aVMin)*95)/100;
sl@0: 			(*aVMax) = ((*aVMax)*105)/100;
sl@0: 			}
sl@0: 		if (pwr[2])							// MinV
sl@0: 			*aVMin=PwrTplToMilliVolts(pwr[2],pwr[3]);
sl@0:   		if (pwr[4])							// MaxV
sl@0: 			*aVMax=PwrTplToMilliVolts(pwr[4],pwr[5]);
sl@0: 		}
sl@0: 	// We'll settle for average/static if no peak.
sl@0: 	if (aPeakI && (pwr[10]||pwr[8]||pwr[6]) )
sl@0: 		{
sl@0: 		if (pwr[6])
sl@0: 			*aPeakI = PwrTplToMicroAmps(pwr[6],pwr[7]);
sl@0: 		if (pwr[8])
sl@0: 			*aPeakI = PwrTplToMicroAmps(pwr[8],pwr[9]);
sl@0: 		if (pwr[10])
sl@0: 			*aPeakI = PwrTplToMicroAmps(pwr[10],pwr[11]); // Last one overides others
sl@0: 		}
sl@0: 	if (aPdwnI && pwr[12])
sl@0: 		*aPdwnI = PwrTplToMicroAmps(pwr[12],pwr[13]); 
sl@0: 
sl@0: 	return(aTplPtr-initPtr);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TInt ParseTimingEntry(const TUint8 *aTplPtr)
sl@0: //
sl@0: // Parse a timing descriptor in a KCisTplCfTableEntry tuple. Returns the 
sl@0: // number of bytes we have parsed. 
sl@0: //
sl@0: 	{
sl@0: 	// We ignore this information - just jump past this field
sl@0: 	const TUint8 *initPtr=aTplPtr;
sl@0: 
sl@0: 	TUint8 present=*aTplPtr++;	  // First the timing present field
sl@0: 
sl@0: 	if ((present & KTpCeTimWaitM) != KTpCeTimWaitM)
sl@0: 		while( *aTplPtr++ & KCisTplExt ); // Wait time (jump past any extensions)
sl@0: 	if ((present & KTpCeTimRdyM) != KTpCeTimRdyM)
sl@0: 		while( *aTplPtr++ & KCisTplExt ); // Ready time (jump past any extensions)
sl@0: 	if ((present & KTpCeTimResM) != KTpCeTimResM)
sl@0: 		while( *aTplPtr++ & KCisTplExt ); // Reserved time (jump past any extensions)
sl@0: 	return(aTplPtr-initPtr);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TInt ParseIoEntry(const TUint8 *aTplPtr,TPccdChnk *aChnk,TInt &aNextChnkNum)
sl@0: //
sl@0: // Parse an IO space descriptor in a KCisTplCfTableEntry tuple. Returns the 
sl@0: // number of bytes we have parsed (or a negative error value). Also returns the 
sl@0: // number of config chunk entries used ('aNextChunkNum').
sl@0: //
sl@0: 	{
sl@0: 	TPccdMemType memType;
sl@0: 	TInt bytesParsed = 1; // Must be a minimum of a single byte descriptor here.
sl@0: 
sl@0: 	// Always at least one I/O space descriptor
sl@0: 	switch( (*aTplPtr & KTpCeBus16_8M) >> KTpCeBus16_8FO )
sl@0: 		{
sl@0: 		case 1: case 2:
sl@0: 			memType = EPccdIo8Mem;	 // Card supports 8bit I/O only.
sl@0: 			break;
sl@0: 		case 3:
sl@0: 			memType = EPccdIo16Mem;	// Card supports 8 & 16 bit I/O.
sl@0: 			break;
sl@0: 		default:
sl@0: 			return(KErrCorrupt);	
sl@0: 		}
sl@0: 	TUint ioLines = (*aTplPtr & KTpCeIoLinesM) >> KTpCeIoLinesFO;
sl@0: 
sl@0: 	TInt ranges=1; // We always specify one chunk even if no range descriptors follow
sl@0: 	TInt addrInBytes=0; 
sl@0: 	TInt lenInBytes=0;
sl@0: 	// Are there any IO Range description bytes to follow
sl@0: 	if (*aTplPtr++ & KTpCeRangePresM)
sl@0: 		{
sl@0: 		ranges = ((*aTplPtr & KTpCeIoRangesM) >> KTpCeIoRangesFO)+1;
sl@0: 		addrInBytes = (*aTplPtr & KTpCeIoAddrSzM) >> KTpCeIoAddrSzFO;
sl@0: 		lenInBytes = (*aTplPtr & KTpCeIoAddrLenM) >> KTpCeIoAddrLenFO;
sl@0: 		aTplPtr++;
sl@0: 
sl@0: 		// There could be multiple range descriptors
sl@0: 		if ((ranges+aNextChnkNum)<=KMaxChunksPerConfig)
sl@0: 			bytesParsed += (ranges * (addrInBytes + lenInBytes))+1;
sl@0: 		else
sl@0: 			return(KErrNotSupported);	// Too many descriptors for us
sl@0: 		}
sl@0: 
sl@0: 	aChnk+=aNextChnkNum;
sl@0: 	for (;ranges>0;ranges--,aChnk++,aNextChnkNum++)
sl@0: 		{
sl@0: 		TInt j;
sl@0: 		aChnk->iMemType=memType;	 // I/O memory type
sl@0: 
sl@0: 		// Lets get the IO start address
sl@0: 		aChnk->iMemBaseAddr=0;
sl@0: 		if (addrInBytes)
sl@0: 			{
sl@0: 			for (j=0;j<addrInBytes;j++)
sl@0: 				aChnk->iMemBaseAddr += (*aTplPtr++) << (8*j);
sl@0: 			}
sl@0: 
sl@0: 		// Finally, lets get the IO length
sl@0: 		if (lenInBytes)
sl@0: 			{
sl@0: 			for (j=0,aChnk->iMemLen=0;j<lenInBytes;j++)
sl@0: 		   		aChnk->iMemLen += (*aTplPtr++) << (8*j);
sl@0: 			(aChnk->iMemLen)++;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			if (ioLines)
sl@0: 				aChnk->iMemLen = 0x01<<ioLines;
sl@0: 			else
sl@0: 				return(KErrCorrupt); // No ioLines and no length, it's invalid.   
sl@0: 			}
sl@0: 		}
sl@0: 	return(bytesParsed);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TInt ParseMemEntry(const TUint8 *aTplPtr,TInt aFeatureVal,TPccdChnk *aChnk,TInt &aNextChnkNum)
sl@0: //
sl@0: // Parse a memory space descriptor in a KCisTplCfTableEntry tuple. Returns
sl@0: // the number of bytes we have parsed (or a negative error value). Also returns the 
sl@0: // number of config chunk entries used ('aNextChunkNum').
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	const TUint8 *initPtr=aTplPtr;
sl@0: 	TInt windows=0; 		
sl@0: 	TInt lenInBytes=0;  	
sl@0: 	TInt addrInBytes=0;		
sl@0: 	TBool hostAddr=EFalse;
sl@0: 	switch (aFeatureVal)
sl@0: 		{
sl@0: 		case 3:   // Memory space descriptor
sl@0: 			windows=(*aTplPtr & KTpCeMemWindowsM)+1;
sl@0: 			lenInBytes=(*aTplPtr & KTpCeMemLenSzM) >> KTpCeMemLenSzFO;
sl@0: 			addrInBytes=(*aTplPtr & KTpCeMemAddrSzM) >> KTpCeMemAddrSzFO;
sl@0: 			hostAddr=(*aTplPtr & KTpCeMemHostAddrM);
sl@0: 			aTplPtr++;
sl@0: 			break;
sl@0: 		case 2:			// Length(2byte) and base address(2byte) specified.
sl@0: 			addrInBytes=2; 
sl@0: 		case 1:			// Single 2-byte length specified.
sl@0: 			lenInBytes=2;
sl@0: 			windows=1;
sl@0: 			break;
sl@0: 		}
sl@0: 
sl@0: 	if ((windows+aNextChnkNum)>KMaxChunksPerConfig)
sl@0: 		return(KErrNotSupported);	// Too many descriptors for us
sl@0: 
sl@0: 	aChnk+=aNextChnkNum;
sl@0: 	TInt i;
sl@0: 	for (;windows>0;windows--,aChnk++,aNextChnkNum++)
sl@0: 		{
sl@0: 		aChnk->iMemType=EPccdCommon16Mem;
sl@0: 		aChnk->iMemLen=0;
sl@0: 		if (lenInBytes)
sl@0: 			{
sl@0: 			for (i=0;i<lenInBytes;i++)
sl@0: 				aChnk->iMemLen += (*aTplPtr++) << ((8*i)+8);  	// in 256 byte pages
sl@0: 			}
sl@0: 		aChnk->iMemBaseAddr=0;
sl@0: 		if (addrInBytes)
sl@0: 			{
sl@0: 			for (i=0;i<addrInBytes;i++)
sl@0: 				aChnk->iMemBaseAddr += (*aTplPtr++) << ((8*i)+8);// in 256 byte pages
sl@0: 			}
sl@0: 		if (hostAddr)
sl@0: 			{
sl@0: 			for (i=0;i<addrInBytes;i++)
sl@0: 				aTplPtr++; // Dont record this, just advance the tuple pointer
sl@0: 			}
sl@0: 		}
sl@0: 	return(aTplPtr-initPtr);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TInt ParseMiscEntry(const TUint8 *aTplPtr, TBool &aPwrDown)
sl@0: //
sl@0: // Parse a miscellaneous features field in a KCisTplCfTableEntry tuple.
sl@0: // Returns the number of bytes we have parsed. 
sl@0: //
sl@0: 	{
sl@0: 	aPwrDown=(*aTplPtr&KTpCePwrDownM);
sl@0: 
sl@0: 	TInt i;
sl@0: 	for (i=1;*aTplPtr & KCisTplExt;i++,aTplPtr++);
sl@0: 	return(i);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TInt ParseConfigEntTuple(TDes8 &cTpl,TPcCardConfig &anInfo)
sl@0: //
sl@0: // Parse a KCisTplCfTableEntry tuple. anInfo contains default values on 
sl@0: // entry so this routine only adds data it finds in the tuple.
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	// Parse the Index byte.
sl@0: 	const TUint8 *tplPtr=cTpl.Ptr()+2; // First tuple after link
sl@0: 	anInfo.iConfigOption=(*tplPtr & KTpCeOptionM);
sl@0: 	anInfo.iIsDefault=(*tplPtr & KTpCeIsDefaultM);
sl@0: 
sl@0: 	// Check if there is an interface description field to follow
sl@0: 	if (*tplPtr++ & KTpCeIntfPresM)
sl@0: 		{
sl@0:  		anInfo.iIsIoAndMem=(*tplPtr&KTpCeIntfTypeM);
sl@0: 		anInfo.iActiveSignals=*tplPtr&(KTpCeBvdM|KTpCeWpM|KTpCeReadyM|KTpCeWaitM);
sl@0: 		tplPtr++;
sl@0: 		}
sl@0: 
sl@0: 	// Next byte should be the feature selection byte.
sl@0: 	TUint8 features=*tplPtr++;
sl@0: 
sl@0: 	// Next might be 0-3 power description structures. 1st one is always VCC info.
sl@0: 	TInt entry=(features & KTpCePwrPresM)>>KTpCePwrPresFO;
sl@0: 	if (entry)
sl@0: 		{
sl@0: 		tplPtr += ParsePowerEntry(tplPtr,&anInfo.iVccMaxInMilliVolts,&anInfo.iVccMinInMilliVolts,
sl@0: 							      &anInfo.iOperCurrentInMicroAmps,&anInfo.iPwrDwnCurrentInMicroAmps);
sl@0: 		entry--;
sl@0: 		}
sl@0: 	
sl@0: 	// We only support a single Vpp supply. However we need to parse both (Vpp1+Vpp2)
sl@0: 	// in order to advance the tuple pointer.
sl@0: 	while ( entry-- )
sl@0: 		tplPtr += ParsePowerEntry(tplPtr,&anInfo.iVppMaxInMilliVolts,&anInfo.iVppMinInMilliVolts,NULL,NULL);
sl@0: 
sl@0: 	// Next might be timing info.
sl@0: 	if (features & KTpCeTimPresM)
sl@0: 		tplPtr += ParseTimingEntry(tplPtr);
sl@0: 
sl@0: 	// Next might be IO space description.
sl@0: 	TInt ret;
sl@0: 	TInt nextFreeChunk=0;
sl@0: 	if (features & KTpCeIoPresM)
sl@0: 		{
sl@0: 		if((ret=ParseIoEntry(tplPtr,&(anInfo.iChnk[0]),nextFreeChunk))<0)
sl@0: 			return(ret);
sl@0: 		anInfo.iValidChunks=nextFreeChunk;
sl@0: 		tplPtr += ret;
sl@0: 		}
sl@0: 
sl@0: 	// Next might be IRQ description.
sl@0: 	if (features & KTpCeIrqPresM)
sl@0: 		{
sl@0: 		anInfo.iInterruptInfo=*tplPtr&(KPccdIntShare|KPccdIntPulse|KPccdIntLevel);
sl@0: 		tplPtr+=(*tplPtr&KTpCeIrqMaskM)?3:1; // Ignore mask bytes if present
sl@0: 		}
sl@0: 
sl@0: 	// Next might be memory space description.
sl@0: 	entry=((features & KTpCeMemPresM) >> KTpCeMemPresFO);
sl@0: 	if (entry)
sl@0: 		{
sl@0: 		if ((ret=ParseMemEntry(tplPtr,entry,&(anInfo.iChnk[0]),nextFreeChunk))<0)
sl@0: 			return(ret);
sl@0: 		anInfo.iValidChunks=nextFreeChunk;
sl@0: 		tplPtr+=ret;
sl@0: 		}
sl@0: 
sl@0: 	// And finally there might be a miscellaneous features field
sl@0: 	if (features & KTpCeMiscPresM)
sl@0: 		tplPtr+=ParseMiscEntry(tplPtr,anInfo.iPwrDown);
sl@0: 
sl@0: 	// Check that we haven't been reading beyond the tuple.
sl@0: 	if ((tplPtr-cTpl.Ptr()) > (cTpl[1]+2))
sl@0: 		return(KErrCorrupt);
sl@0: 
sl@0: 	return(KErrNone);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C TInt ParseDeviceInfo(const TUint8 *aTplPtr,TPcCardRegion &anInfo)
sl@0: //
sl@0: // Parse a device info field in a KCisTplDeviceX tuple.
sl@0: // Returns the number of bytes we have parsed (or a negative error value). 
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	const TUint8 *initPtr=aTplPtr;
sl@0: 	TInt val;
sl@0: 	// Device ID - device type field
sl@0: 	val=((*aTplPtr & KTpDiDTypeM) >> KTpDiDTypeFO);
sl@0: 	if (val==KTpDiDTypeExtend)
sl@0: 		return(KErrNotSupported);	   // Don't support extended device type
sl@0: 	anInfo.iDeviceType=DevType(val);
sl@0: 
sl@0: 	// Device ID - write protect field
sl@0: 	if (!(*aTplPtr&KTpDiWpsM))
sl@0: 		anInfo.iActiveSignals|=KSigWpActive;
sl@0: 
sl@0: 	// Device ID - device speed field
sl@0: 	val=(*aTplPtr & KTpDiDSpeedM);
sl@0: 	if (val==KTpDiDSpeedExt)
sl@0: 		{
sl@0: 		aTplPtr++;
sl@0: 		anInfo.iExtendedAccSpeedInNanoSecs=ExtendedSpeedToNanoSeconds(*aTplPtr);
sl@0: 		anInfo.iAccessSpeed=DevSpeedFromExtended(anInfo.iExtendedAccSpeedInNanoSecs);
sl@0: 		while(*aTplPtr++ & KCisTplExt); // Jump past any (further) extended speed fields
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		anInfo.iExtendedAccSpeedInNanoSecs=0;
sl@0: 		anInfo.iAccessSpeed=CisDevSpeedTable[val];
sl@0: 		aTplPtr++;
sl@0: 		}
sl@0: 
sl@0: 	// Now the Device size
sl@0: 	TInt size,numUnits;
sl@0: 	size=((*aTplPtr & KTpDiDSizeM) >> KTpDiDSizeFO);
sl@0: 	numUnits=((*aTplPtr++ & KTpDiDUnitsM) >> KTpDiDUnitsFO)+1;
sl@0: 	if (size>KTpDiDSize2M)
sl@0: 		return(KErrCorrupt);	 
sl@0: 	anInfo.iChnk.iMemLen=numUnits*CisDevSizeInBytesTable[size];
sl@0: 	return(aTplPtr-initPtr);
sl@0: 	}
sl@0: /*
sl@0: LOCAL_C TInt SocketIsInRange(TSocket aSocket)
sl@0: //
sl@0: // Check socket is valid for this machine
sl@0: //
sl@0: 	{
sl@0: 
sl@0: //	return(aSocket>=0&&aSocket<ThePcCardController->TotalSupportedBuses());
sl@0: 	return (aSocket>=0 && aSocket<KMaxPBusSockets && TheSockets[aSocket]!=NULL);
sl@0: 	}
sl@0: */
sl@0: EXPORT_C TCisReader::TCisReader()
sl@0: //
sl@0: // Constructor.
sl@0: //
sl@0: 	: iFunc(0),iCisOffset(0),iLinkOffset(0),iMemType(EPccdAttribMem),
sl@0: 	  iLinkFlags(0),iRestarted(EFalse),iRegionCount(0),
sl@0: 	  iConfigCount(0)
sl@0: 	{
sl@0: 	iSocket=NULL;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TCisReader::SelectCis(TSocket aSocket,TInt aCardFunc)
sl@0: //
sl@0: //  Assign the CIS reader to a socket and function.
sl@0: //
sl@0: 	{
sl@0: 	// We need to have read the CIS format
sl@0: 	__KTRACE_OPT(KPBUS1,Kern::Printf(">CisReader:SelectCis(S:%d F:%d)",aSocket,aCardFunc));
sl@0: 	DPcCardSocket* pS=(DPcCardSocket*)TheSockets[aSocket];
sl@0: 	if (pS->CardIsReadyAndVerified()!=KErrNone)
sl@0: 		return KErrNotReady;
sl@0: 	iSocket=pS;
sl@0: 	return(DoSelectCis(aCardFunc));
sl@0: 	}
sl@0: 
sl@0: TInt TCisReader::DoSelectCis(TInt aCardFunc)
sl@0: //
sl@0: //  Actually assign the CIS reader to a socket and function.
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	// Check that the function is valid
sl@0: 	TInt r;
sl@0: 	if (!iSocket->IsValidCardFunc(aCardFunc))
sl@0: 		{
sl@0: 		iSocket=NULL;
sl@0: 		r=KErrNotFound;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		iFunc=aCardFunc;
sl@0: 		DoRestart();
sl@0: 		iConfigCount=0;
sl@0: 		r=KErrNone;
sl@0: 		}
sl@0: 	__KTRACE_OPT(KPBUS1,Kern::Printf("<CisReader:DoSelectCis(F:%d)-%d",aCardFunc,r));
sl@0: 	return(r);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TCisReader::Restart()
sl@0: //
sl@0: // Restart the CIS reader back to the start of the CIS, and re-initialise
sl@0: // config entry parsing.
sl@0: //
sl@0: 	{
sl@0: 	if (iSocket==NULL)
sl@0: 		return(KErrGeneral);
sl@0: 	DoRestart();
sl@0: 	iConfigCount=0;
sl@0: 	return(KErrNone);
sl@0: 	}
sl@0: 
sl@0: void TCisReader::DoRestart()
sl@0: //
sl@0: //  Restart the CIS reader back to the start of the CIS
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	TPcCardFunction *func=iSocket->CardFunc(iFunc);
sl@0: 	iCisOffset=func->InitCisOffset();	
sl@0: 	iLinkOffset=0;	
sl@0: 	iMemType=func->InitCisMemType();
sl@0: 	iLinkFlags=0;
sl@0: 	iRestarted=ETrue;
sl@0: 	iRegionCount=0;
sl@0: 	__KTRACE_OPT(KPBUS1,Kern::Printf("<CisReader:DoRestart"));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TCisReader::FindReadTuple(TUint8 aDesiredTpl,TDes8 &aDes,TUint aFlag)
sl@0: //
sl@0: // Find a specified tuple from the CIS and read it.
sl@0: //
sl@0: 	{                                 
sl@0: 	__ASSERT_ALWAYS(iSocket!=NULL,PcCardPanic(EPcCardCisReaderUnInit)); 
sl@0: 
sl@0: 	// We're going to read the card itself so it must be ready.
sl@0: 	if ( iSocket->CardIsReadyAndVerified()!=KErrNone )
sl@0: 		return(KErrNotReady);
sl@0: 
sl@0: 	return(DoFindReadTuple(aDesiredTpl,aDes,aFlag));
sl@0: 	}
sl@0: 
sl@0: TInt TCisReader::DoFindReadTuple(TUint8 aDesiredTpl,TDes8 &aDes,TUint aFlag)
sl@0: //
sl@0: // Actually find a specified tuple from the CIS and read it.
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	__KTRACE_OPT(KPBUS1,Kern::Printf(">CisReader:DoFindReadTuple(T:%xH)",aDesiredTpl));
sl@0: 
sl@0: 	TBuf8<KSmallTplBufSize> tpl;
sl@0: 	TBuf8<KSmallTplBufSize> linkAddr;
sl@0: 	TInt i,j,err;
sl@0: 
sl@0: 	// Read the previous tuple
sl@0: 	if ((err=iSocket->ReadCis(iMemType,iCisOffset,tpl,2))!=KErrNone)
sl@0: 		return(err);
sl@0: 
sl@0: 	for (j=0;j<KMaxTuplesPerCis;j++)
sl@0: 		{
sl@0: 		// Adjust CIS offset beyond last tuple read (unless we've just restarted)
sl@0: 		if (iRestarted)
sl@0: 			iRestarted=EFalse;
sl@0: 		else
sl@0: 			{
sl@0: 			if (tpl[0]!=KCisTplEnd && tpl[1]!=0xff)
sl@0: 				iCisOffset+=(tpl[0]==KCisTplNull)?1:(tpl[1]+2); // A null tuple has no link field
sl@0: 			else
sl@0: 				{
sl@0: 				// End of chain tuple
sl@0: 				if ((err=FollowLink(aFlag&KPccdReportErrors))!=KErrNone)
sl@0: 					return(err);
sl@0: 				}
sl@0: 			}
sl@0: 
sl@0: 		// Read the next tuple
sl@0: 		if ((err=iSocket->ReadCis(iMemType,iCisOffset,tpl,2))!=KErrNone)
sl@0: 			return(err);
sl@0: 
sl@0: 		// Check for a link tuple (need to store next chain addr. for later)
sl@0: 		switch(tpl[0])
sl@0: 			{
sl@0: 			case KCisTplLongLinkA:
sl@0: 				iLinkFlags |= KPccdLinkA;
sl@0: 				if ((err= iSocket->ReadCis(iMemType,iCisOffset+2,linkAddr,4)) != KErrNone)
sl@0: 					return(err);
sl@0: 				for (iLinkOffset=0,i=0 ; i<4 ; i++)
sl@0: 					iLinkOffset += linkAddr[i] << (8*i);
sl@0: 				break;
sl@0: 			case KCisTplLongLinkC:
sl@0: 				iLinkFlags |= KPccdLinkC;
sl@0: 				if ((err= iSocket->ReadCis(iMemType,iCisOffset+2,linkAddr,4)) != KErrNone)
sl@0: 					return(err);
sl@0: 				for (iLinkOffset=0,i=0 ; i<4 ; i++)
sl@0: 					iLinkOffset += linkAddr[i] << (8*i);
sl@0: 				break;
sl@0: 			case KCisTplLongLinkMfc:
sl@0: 				iLinkFlags |= KPccdLinkMFC;
sl@0: 				break;
sl@0: 			case KCisTplNoLink:
sl@0: 				iLinkFlags |= KPccdNoLink;
sl@0: 			default:
sl@0: 				break;
sl@0: 			}
sl@0: 
sl@0: 		// Check if we have found the specified tuple
sl@0: 		if (aDesiredTpl==KPccdNonSpecificTpl || aDesiredTpl==tpl[0])
sl@0: 			{
sl@0: 			// The following are ignored unless KPccdReturnLinkTpl is set. 
sl@0: 			if ((tpl[0]==KCisTplNull)||
sl@0: 				(tpl[0]==KCisTplEnd)||
sl@0: 				(tpl[0]==KCisTplLongLinkA)||
sl@0: 				(tpl[0]==KCisTplLongLinkC)||
sl@0: 				(tpl[0]==KCisTplLongLinkMfc)||
sl@0: 				(tpl[0]==KCisTplNoLink)||
sl@0: 				(tpl[0]==KCisTplLinkTarget))
sl@0: 				{
sl@0: 				if (aFlag&KPccdReturnLinkTpl)
sl@0: 					break;
sl@0: 				}
sl@0: 			else
sl@0: 				break;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	// We got a result (or we've wandered off into the weeds)
sl@0: 	if (j>=KMaxTuplesPerCis)
sl@0: 		return( (aFlag&KPccdReportErrors)?KErrCorrupt:KErrNotFound );
sl@0: 	else
sl@0: 		return((aFlag&KPccdFindOnly)?KErrNone:DoReadTuple(aDes));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TCisReader::ReadTuple(TDes8 &aDes)
sl@0: //
sl@0: // Read the tuple at the current CIS offset.
sl@0: //
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(iSocket!=NULL,PcCardPanic(EPcCardCisReaderUnInit)); 
sl@0: 
sl@0: 	// We're going to read the card itself so it must be ready.
sl@0: 	if ( iSocket->CardIsReadyAndVerified()!=KErrNone )
sl@0: 		return(KErrNotReady);
sl@0: 
sl@0: 	return(DoReadTuple(aDes));
sl@0: 	}
sl@0: 
sl@0: TInt TCisReader::DoReadTuple(TDes8 &aDes)
sl@0: //
sl@0: // Actually read the tuple at the current CIS offset.
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	__KTRACE_OPT(KPBUS1,Kern::Printf(">CisReader:DoReadTuple"));
sl@0: 	TInt err;
sl@0: 
sl@0: 	// Read the tuple type and link
sl@0: 	TBuf8<KSmallTplBufSize> tpl;
sl@0: 	if ((err= iSocket->ReadCis(iMemType,iCisOffset,tpl,2)) != KErrNone)
sl@0: 		return(err);
sl@0: 
sl@0: 	TInt tplLen ;
sl@0: 	if ((tpl[0] == KCisTplNull) || (tpl[0] == KCisTplEnd))
sl@0: 		tplLen = 1 ;			// These tuples dont have a link.
sl@0: 	else
sl@0: 		tplLen = (tpl[1]+2) ;
sl@0: 	if ( tplLen>aDes.MaxLength() )   // We dont want a panic if aDes too small
sl@0: 		return(KErrArgument);
sl@0: 
sl@0: 	// Lets copy the tuple
sl@0: 	if ((err= iSocket->ReadCis(iMemType,iCisOffset,aDes,tplLen)) != KErrNone)
sl@0: 		return(err);
sl@0: 	else
sl@0: 		return(KErrNone);
sl@0: 	}
sl@0: 
sl@0: TInt TCisReader::FollowLink(TUint aFullErrorReport)
sl@0: //
sl@0: // Called at the end of a tuple chain, this moves CIS pointer to the next
sl@0: // CIS chain if a long link has been detected.
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	TInt err;
sl@0: 	switch (iLinkFlags)
sl@0: 		{
sl@0: 		case 0: // Haven't found anything so assume longlink to 0 in common.
sl@0: 			iLinkOffset=0;
sl@0: 		case KPccdLinkC:
sl@0: 			iCisOffset=iLinkOffset;
sl@0: 			iMemType=EPccdCommon8Mem;
sl@0: 			iLinkOffset=0;
sl@0: 			if ((err=VerifyLinkTarget())!=KErrNone)
sl@0: 				{
sl@0: 				DoRestart(); // Leave pointers somewhere safe.
sl@0: 				if (iLinkFlags==0||!aFullErrorReport)
sl@0: 					err=KErrNotFound; // Above assumption wrong
sl@0: 				}
sl@0: 			break;
sl@0: 		case KPccdLinkA:
sl@0: 			iCisOffset=iLinkOffset;
sl@0: 			iMemType=EPccdAttribMem;
sl@0: 			iLinkOffset=0;
sl@0: 			if ((err=VerifyLinkTarget())!=KErrNone)
sl@0: 				{
sl@0: 				iCisOffset>>=1; // Check if the link offset is wrong
sl@0: 				if (VerifyLinkTarget()!=KErrNone)
sl@0: 					{
sl@0: 					DoRestart(); // Leave pointers somewhere safe.
sl@0: 					if (!aFullErrorReport)
sl@0: 						err=KErrNotFound;
sl@0: 					}
sl@0: 				else
sl@0: 					err=KErrNone;
sl@0: 				}
sl@0: 			break;
sl@0: 		case KPccdNoLink:
sl@0: 		case KPccdLinkMFC: // Can't follow a multi-function link
sl@0: 			DoRestart(); // Leave pointers somewhere safe.
sl@0: 			err=KErrNotFound;
sl@0: 			break;
sl@0: 		default:	// Shouldn't have more than 1 link per chain
sl@0: 			DoRestart(); // Leave pointers somewhere safe.
sl@0: 			err=(aFullErrorReport)?KErrCorrupt:KErrNotFound;   
sl@0: 		}
sl@0: 	iLinkFlags=0;
sl@0: 	return(err);
sl@0: 	}
sl@0: 
sl@0: TInt TCisReader::VerifyLinkTarget()
sl@0: //
sl@0: //	Verify a new tuple chain starts with a valid link target tuple
sl@0: //
sl@0: 	{
sl@0: 	TBuf8<KSmallTplBufSize> tpl;
sl@0: 	TInt err;
sl@0: 	if ((err=iSocket->ReadCis(iMemType,iCisOffset,tpl,5))!=KErrNone)
sl@0: 		return(err);
sl@0: 	if ( (tpl[0]!=KCisTplLinkTarget) || (tpl[1]<3) || (tpl.Find(_L8("CIS"))!=2) )
sl@0: 		return(KErrCorrupt);
sl@0: 	return(KErrNone);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TCisReader::FindReadRegion(TPccdSocketVcc aSocketVcc,TPcCardRegion &anInfo,TUint8 aDesiredTpl)
sl@0: //
sl@0: // Read region info from the CIS on the specified Socket/Function. Can
sl@0: // be called multiple times to read all regions (eventually
sl@0: // returns KErrNotFound). 
sl@0: // If the function returns an error value then ignore anInfo.
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	if (!aDesiredTpl)
sl@0: 		aDesiredTpl=(aSocketVcc==EPccdSocket_5V0)?KCisTplDevice:KCisTplDeviceOC;
sl@0: 	__KTRACE_OPT(KPBUS1,Kern::Printf(">CisReader:FindReadRegion(TPL:%xH)",aDesiredTpl));
sl@0: 
sl@0: 	TInt ret;
sl@0: 	TBuf8<KLargeTplBufSize> devTpl;
sl@0: 	if (!iRegionCount)				 // Count of regions processed in tuple
sl@0: 		ret=FindReadTuple(aDesiredTpl,devTpl);
sl@0: 	else
sl@0: 		ret=ReadTuple(devTpl);
sl@0: 	if (ret!=KErrNone)
sl@0: 		return(ret);
sl@0: 	const TUint8 *tplPtr=devTpl.Ptr();
sl@0: 	const TUint8 *tplE=tplPtr+devTpl.Length(); 
sl@0: 	tplPtr+=2; // First tuple after link
sl@0: 
sl@0: 	if (aDesiredTpl==KCisTplDeviceOC||aDesiredTpl==KCisTplDeviceOA)
sl@0: 		{
sl@0: 		// Process the Other Conditions info.
sl@0: 		anInfo.iChnk.iMemType=(aDesiredTpl==KCisTplDeviceOA)?EPccdAttribMem:EPccdCommon16Mem;
sl@0: 		anInfo.iActiveSignals=(*tplPtr & KTpDoMWaitM)?KSigWaitRequired:0;
sl@0: 		switch( (*tplPtr & KTpDoVccUsedM) >> KTpDoVccUsedFO )
sl@0: 			{
sl@0: 			case 3: anInfo.iVcc=EPccdSocket_yVy; break;
sl@0: 			case 2: anInfo.iVcc=EPccdSocket_xVx; break;
sl@0: 			case 1: anInfo.iVcc=EPccdSocket_3V3; break;
sl@0: 			default: anInfo.iVcc=EPccdSocket_5V0; break;
sl@0: 			}
sl@0: 		while (*tplPtr++ & KCisTplExt);	 // Ignore any extensions
sl@0: 		}
sl@0: 	else
sl@0: 		{ // KCisTplDevice
sl@0: 		anInfo.iChnk.iMemType=(aDesiredTpl==KCisTplDeviceA)?EPccdAttribMem:EPccdCommon16Mem;
sl@0: 		anInfo.iVcc=EPccdSocket_5V0;
sl@0: 		anInfo.iActiveSignals=0;
sl@0: 		}
sl@0: 
sl@0: 	// Now start on the Device Info fields
sl@0: 	anInfo.iAccessSpeed=EAcSpeedInValid;
sl@0: 	anInfo.iChnk.iMemBaseAddr = anInfo.iChnk.iMemLen = 0;
sl@0: 	for (TInt regions=1;*tplPtr!=0xFF&&tplPtr<tplE;tplPtr+=ret,regions++)
sl@0: 		{
sl@0: 		// Add length of previous region to give new base address.
sl@0: 		anInfo.iChnk.iMemBaseAddr+=anInfo.iChnk.iMemLen;
sl@0: 
sl@0: 		if ((ret=ParseDeviceInfo(tplPtr,anInfo)) < 0)
sl@0: 			return(ret);
sl@0: 
sl@0: 		// Check if we have new region to report (dont report null regions)
sl@0: 		if (anInfo.iDeviceType!=EDeviceNull && regions>iRegionCount)
sl@0: 			{
sl@0: 			iRegionCount=regions; // Save for next time
sl@0: 			return(KErrNone);
sl@0: 			}
sl@0: 		}
sl@0: 	return(KErrNotFound); 
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TCisReader::FindReadConfig(TPcCardConfig &anInfo)
sl@0: //
sl@0: // Read configuration info from the CIS on the specified Socket/Function. Can
sl@0: // be called multiple times to read all configuration options (eventually
sl@0: // returns KErrNotFound). Uses previous configuration option value to mark
sl@0: // where we are in a configuration table.
sl@0: // If the function returns an error value then ignore anInfo.
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	__KTRACE_OPT(KPBUS1,Kern::Printf(">CisReader:FindReadConfig(%d)",iConfigCount));
sl@0: 	__ASSERT_ALWAYS(iSocket!=NULL,PcCardPanic(EPcCardCisReaderUnInit)); 
sl@0: 
sl@0: 	DoRestart();	  // Start from beginning of CIS each time (dont reset iConfigCount though).
sl@0: 
sl@0: 	// Create an initial default configuration
sl@0: 	TPcCardConfig defaultConfInfo;
sl@0: 	defaultConfInfo.iVccMaxInMilliVolts=5250;	// 5V+5%		
sl@0: 	defaultConfInfo.iVccMinInMilliVolts=4750;	// 5V-5%					
sl@0: 	defaultConfInfo.iAccessSpeed=DEF_IO_ACSPEED;
sl@0: 	defaultConfInfo.iActiveSignals=0;
sl@0: 					  
sl@0: 	TBuf8<KLargeTplBufSize> configTpl;
sl@0: 	TInt lastEntryIndex;
sl@0: 	TBool foundLast=EFalse;
sl@0: 	TInt err;
sl@0: 	TInt i=0;
sl@0: 	if (
sl@0: 		 (err=FindReadTuple(KCisTplConfig,configTpl))==KErrNone &&
sl@0: 		 (err=ParseConfigTuple(configTpl,defaultConfInfo,lastEntryIndex))==KErrNone
sl@0: 	   )
sl@0: 		{
sl@0: 		// Start of new configuration table
sl@0: 		for (; (err=FindReadTuple(KCisTplCfTableEntry,configTpl))==KErrNone && i<KMaxCfEntriesPerCis ; i++)
sl@0: 			{
sl@0: 			anInfo=defaultConfInfo; 		// Entries assume values from last default entry
sl@0: 			err=ParseConfigEntTuple(configTpl,anInfo);
sl@0: 			if (anInfo.iConfigOption==lastEntryIndex)
sl@0: 				foundLast=ETrue;
sl@0: 			else
sl@0: 				{
sl@0: 				if (foundLast)
sl@0: 					{
sl@0: 					err=KErrNotFound; // We've passed the last entry
sl@0: 					break;
sl@0: 					}
sl@0: 				}
sl@0: 			if (iConfigCount==i)
sl@0: 				break;
sl@0: 			if (err==KErrNone && anInfo.iIsDefault)
sl@0: 				defaultConfInfo=anInfo;
sl@0: 			}
sl@0: 		}
sl@0: 	if (i>=KMaxCfEntriesPerCis)
sl@0: 		err=KErrCorrupt;
sl@0: 	if (err==KErrNone)
sl@0: 		iConfigCount++;
sl@0: 	__KTRACE_OPT(KPBUS1,Kern::Printf("<CisReader:FindReadConfig-%d",err));
sl@0: 	return(err);
sl@0: 	}
sl@0: 
sl@0: TPcCardFunction::TPcCardFunction(TUint32 anOffset,TPccdMemType aMemType)
sl@0: //
sl@0: // Constructor
sl@0: //
sl@0: 	: iFuncType(EUnknownCard),iInitCisOffset(anOffset),iInitCisMemType(aMemType),
sl@0: 	  iConfigBaseAddr(0),iConfigRegMask(0),iConfigIndex(KInvalidConfOpt),iConfigFlags(0)
sl@0: 	{
sl@0: 	iClientID=NULL;
sl@0: 	}
sl@0: 
sl@0: void TPcCardFunction::SetConfigOption(TInt anIndex,DBase *aClientID,TUint aConfigFlags)
sl@0: //
sl@0: // Save configuration index and client ID
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	iConfigIndex=anIndex;
sl@0: 	iClientID=aClientID;
sl@0: 	iConfigFlags=aConfigFlags;
sl@0: 	}
sl@0: 
sl@0: TInt TPcCardFunction::ConfigRegAddress(TInt aRegOffset,TInt &anAddr)
sl@0: //
sl@0: // Provide the specified configuration register address.
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	// Must be configured or we wont have the ConfigReg base address
sl@0: 	if (!IsConfigured())
sl@0: 		return(KErrGeneral);
sl@0: 	anAddr=(iConfigBaseAddr + (aRegOffset<<1));
sl@0: 
sl@0: 	// Return an error if the register isn't present
sl@0: 	if ( !(iConfigRegMask & (0x01<<aRegOffset)) )
sl@0: 		return(KErrNotSupported);
sl@0: 	else
sl@0: 		return(KErrNone);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TPccdChnk::TPccdChnk()
sl@0: //
sl@0: // Constructor
sl@0: //
sl@0: 	: iMemType(EPccdAttribMem),iMemBaseAddr(0),iMemLen(0)
sl@0: 	{}
sl@0: 
sl@0: EXPORT_C TPccdChnk::TPccdChnk(TPccdMemType aType,TUint32 aBaseAddr,TUint32 aLen)
sl@0: //
sl@0: // Constructor
sl@0: //
sl@0: 	: iMemType(aType),iMemBaseAddr(aBaseAddr),iMemLen(aLen)
sl@0: 	{}
sl@0: 
sl@0: EXPORT_C TPcCardConfig::TPcCardConfig()
sl@0: //
sl@0: // Constructor (iConfigOption to KInvalidConfOpt guarentees that we start with
sl@0: // 1st configuration entry).
sl@0: //
sl@0: 	: iAccessSpeed(EAcSpeedInValid),iActiveSignals(0),iVccMaxInMilliVolts(0),
sl@0: 	  iVccMinInMilliVolts(0),iValidChunks(0),iIsIoAndMem(FALSE),iIsDefault(FALSE),
sl@0: 	  iPwrDown(FALSE),iVppMaxInMilliVolts(0),iVppMinInMilliVolts(0),iOperCurrentInMicroAmps(0),
sl@0: 	  iPwrDwnCurrentInMicroAmps(0),iInterruptInfo(0),iConfigOption(KInvalidConfOpt),iConfigBaseAddr(0),
sl@0: 	  iRegPresent(0)
sl@0: 	{}
sl@0: 
sl@0: EXPORT_C TBool TPcCardConfig::IsMachineCompatible(TSocket aSocket,TInt aFlag)
sl@0: //
sl@0: // Return ETrue if this configuration is compatible with this machine
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	DPcCardSocket* pS=(DPcCardSocket*)TheSockets[aSocket];
sl@0: 	DPcCardVcc* pV=(DPcCardVcc*)pS->iVcc;
sl@0: 	TInt nomSocketVcc=DPcCardVcc::SocketVccToMilliVolts(pV->VoltageSetting());
sl@0:     if (!(aFlag&KPccdCompatNoVccCheck))
sl@0:         {
sl@0: 	    // Check Vcc level compatibility
sl@0: 	    if (iVccMaxInMilliVolts<nomSocketVcc||iVccMinInMilliVolts>nomSocketVcc)
sl@0: 		    {
sl@0: 		    __KTRACE_OPT(KPBUS1,Kern::Printf("MachineCompatible-Bad Vcc"));
sl@0: 		    return(EFalse);
sl@0: 		    }
sl@0:         }
sl@0: 
sl@0: 	TPcCardSocketInfo si;
sl@0: 	pS->SocketInfo(si);
sl@0:     if (!(aFlag&KPccdCompatNoVppCheck))
sl@0: 		{
sl@0: 		// Check Vpp level compatibility
sl@0: 		if (iVppMaxInMilliVolts<si.iNomVppInMilliVolts||iVppMinInMilliVolts>si.iNomVppInMilliVolts) 
sl@0: 			{
sl@0: 			__KTRACE_OPT(KPBUS1,Kern::Printf("MachineCompatible-Bad Vpp"));
sl@0: 			return(EFalse);
sl@0: 			} 
sl@0: 		}
sl@0: 
sl@0:     if (!(aFlag&KPccdCompatNoPwrCheck))
sl@0: 		{
sl@0: 		// Check the configurations power requirements can be supported
sl@0: 		if (iOperCurrentInMicroAmps>pV->MaxCurrentInMicroAmps())
sl@0: 			{
sl@0: 			__KTRACE_OPT(KPBUS1,Kern::Printf("MachineCompatible-Bad Pwr"));
sl@0: 			return(EFalse);
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	// If wait requested then check its supported
sl@0: 	if ((iActiveSignals&KSigWaitRequired)&&!(si.iSupportedSignals&KSigWaitSupported))
sl@0: 		{
sl@0: 		__KTRACE_OPT(KPBUS1,Kern::Printf("MachineCompatible-Bad Wait-sig"));
sl@0: 		return(EFalse);
sl@0: 		}
sl@0: 	// Dealt with WAIT - mask out any other signls which aren't supported - not reason to reject though
sl@0: 	iActiveSignals&=si.iSupportedSignals;
sl@0: 	return(ETrue);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TPcCardRegion::TPcCardRegion()
sl@0: //
sl@0: // Constructor (iDeviceType to EDeviceInvalid guarentees that we start with
sl@0: // 1st device information entry).
sl@0: //
sl@0: 	: iAccessSpeed(EAcSpeedInValid),iActiveSignals(0),iVcc(EPccdSocket_Invalid),
sl@0: 	  iDeviceType(EDeviceInvalid),iExtendedAccSpeedInNanoSecs(0)
sl@0: 	{}
sl@0: 
sl@0: EXPORT_C TBool TPcCardRegion::IsMachineCompatible(TSocket aSocket)
sl@0: //
sl@0: // Return ETrue if this configuration is compatible with this machine
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	DPcCardSocket* pS=(DPcCardSocket*)TheSockets[aSocket];
sl@0: 	TPccdSocketVcc vcc=pS->VccSetting();
sl@0: 	// Check Vcc level compatibility
sl@0: 	if (iVcc!=vcc)
sl@0: 		{
sl@0: 		__KTRACE_OPT(KPBUS1,Kern::Printf("MachineCompatible-Bad Vcc"));
sl@0: 		return(EFalse);
sl@0: 		}
sl@0: 
sl@0: 	// If wait requested then check its supported
sl@0: 	TPcCardSocketInfo si;
sl@0: 	pS->SocketInfo(si);
sl@0: 	TBool waitReq=(iActiveSignals&KSigWaitRequired);
sl@0: 	if (waitReq&&!(si.iSupportedSignals&KSigWaitSupported))
sl@0: 		{
sl@0: 		__KTRACE_OPT(KPBUS1,Kern::Printf("MachineCompatible-Bad Wait-sig"));
sl@0: 		return(EFalse);
sl@0: 		}
sl@0: 	// Dealt with WAIT - mask out any other signls which aren't supported - not reason to reject though
sl@0: 	iActiveSignals&=si.iSupportedSignals;
sl@0: 
sl@0: 	// Check requested access speed (ie not too slow for us)
sl@0: 	TPccdAccessSpeed as=__IS_ATTRIB_MEM(iChnk.iMemType)?si.iMaxAttribAccSpeed:si.iMaxCommonIoAccSpeed;
sl@0: 	if (iAccessSpeed>as && !waitReq)
sl@0: 		{
sl@0: 		__KTRACE_OPT(KPBUS1,Kern::Printf("MachineCompatible-Bad speed"));
sl@0: 		return(EFalse);
sl@0: 		}
sl@0: 	return(ETrue);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TPccdType::TPccdType()
sl@0: //
sl@0: // Constructor
sl@0: //
sl@0: 	: iFuncCount(0)
sl@0: 	{
sl@0: 	for (TInt i=0;i<(TInt)KMaxFuncPerCard;i++)
sl@0: 		iFuncType[i]=EUnknownCard;
sl@0: 	}
sl@0: 
sl@0: