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// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include <drivers/sdcard.h>
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// ======== TSDCard ========
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TSDCard::TSDCard()
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: iProtectedAreaSize(0), iPARootDirEnd(KPARootDirEndUnknown)
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{
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// empty
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}
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TInt64 TSDCard::DeviceSize64() const
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//
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// returns the SD device size
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//
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{
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if(iFlags & KSDCardIsSDCard)
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{
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return (IsHighCapacity()) ? 512 * 1024 * (TInt64)(1 + CSD().CSDField(69, 48)) : TMMCard::DeviceSize64();
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}
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return(TMMCard::DeviceSize64());
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}
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TUint32 TSDCard::PreferredWriteGroupLength() const
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//
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// return SD erase sector size, (SECTOR_SIZE + 1) * 2 ** WRITE_BLK_LEN
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//
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{
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if(iFlags & KSDCardIsSDCard)
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{
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TSDCSD sdcsd(CSD());
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return (sdcsd.SDSectorSize() + 1) * (1 << sdcsd.WriteBlLen());
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}
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return(TMMCard::PreferredWriteGroupLength());
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}
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TInt TSDCard::GetFormatInfo(TLDFormatInfo& /*aFormatInfo*/) const
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{
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return KErrNotSupported;
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}
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TUint32 TSDCard::MinEraseSectorSize() const
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{
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if(iFlags&KSDCardIsSDCard)
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{
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TSDCSD sdcsd(CSD());
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if (sdcsd.SDEraseBlkEn())
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return sdcsd.WriteBlockLength(); // raised logarithm
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else
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return (sdcsd.SDSectorSize() + 1) * sdcsd.WriteBlockLength();
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}
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return TMMCard::MinEraseSectorSize();
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}
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const TUint32 KEraseSectorSizeShift = 8; // KEraseSectorSizeShift determines the multiple of the sector size
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// that can be erased in one operation
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TUint32 TSDCard::EraseSectorSize() const
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{
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if(iFlags&KSDCardIsSDCard)
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{
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TSDCSD sdcsd(CSD());
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return ((sdcsd.SDSectorSize() + 1) * sdcsd.WriteBlockLength()) << KEraseSectorSizeShift;
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}
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return TMMCard::EraseSectorSize();
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}
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const TInt KDefaultBlockLen = 9; // 2^9 = 512 bytes
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const TInt KDefaultBlockLenInBytes = 1 << KDefaultBlockLen; // 2^9 = 512 bytes
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const TInt KTwoGbyteSDBlockLen = 10; // 2^10 = 1024 bytes
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const TInt KFourGbyteSDBlockLen = 11; // 2^11 = 2048 bytes
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TInt TSDCard::GetEraseInfo(TMMCEraseInfo& aEraseInfo) const
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//
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// Return info. on erase services for this card
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//
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{
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// SD Controllers support MMC cards too. Check if we are really dealing with an SD card
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if(!(iFlags&KSDCardIsSDCard))
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return(TMMCard::GetEraseInfo(aEraseInfo));
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if (CSD().CCC() & KMMCCmdClassErase)
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{
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// This card supports erase cmds. However, SD cards don't support Erase Group commands (i.e. CMD35, CMD36).
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aEraseInfo.iEraseFlags=KMMCEraseClassCmdsSupported;
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// Return the preferred size to be used as the unit for erase operations.
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TSDCSD sdcsd(CSD());
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TUint32 prefSize=((sdcsd.SDSectorSize() + 1) * sdcsd.WriteBlockLength());
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prefSize<<=KEraseSectorSizeShift; // Use multiples of the sector size for each erase operation
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aEraseInfo.iPreferredEraseUnitSize=prefSize;
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// Return the smallest size that can be used as the unit for erase operations
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if (sdcsd.SDEraseBlkEn())
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{
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aEraseInfo.iMinEraseSectorSize = KDefaultBlockLenInBytes;
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}
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else
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{
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aEraseInfo.iMinEraseSectorSize=(sdcsd.SDSectorSize() + 1) * sdcsd.WriteBlockLength();
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}
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}
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else
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aEraseInfo.iEraseFlags=0;
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return(KErrNone);
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}
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TInt TSDCard::MaxReadBlLen() const
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/**
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* Returns the maximum read block length supported by the card encoded as a logarithm
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* Normally this is the same as the READ_BL_LEN field in the CSD register,
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* but for high capacity cards (> 2GB) this is set to a maximum of 512 bytes,
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* if possible, to try to avoid compatibility issues.
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*/
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{
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if (IsSDCard())
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{
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TInt blkLenLog2 = CSD().ReadBlLen();
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if (blkLenLog2 == KTwoGbyteSDBlockLen || blkLenLog2 == KFourGbyteSDBlockLen)
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{
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// The SD card spec. makes a special case for 2GByte cards,
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// ...and some manufacturers apply the same method to support 4G cards
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__KTRACE_OPT(KPBUS1, Kern::Printf("=mmc:mrbl > 2GB SD"));
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blkLenLog2 = KDefaultBlockLen;
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}
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return blkLenLog2;
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}
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else // MMC card
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{
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return (TMMCard::MaxReadBlLen());
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}
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}
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TInt TSDCard::MaxWriteBlLen() const
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/**
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* Returns the maximum write block length supported by the card encoded as a logarithm
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* Normally this is the same as the WRITE_BL_LEN field in the CSD register,
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* but for high capacity cards (> 2GB) this is set to a maximum of 512 bytes,
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* if possible, to try to avoid compatibility issues.
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*/
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{
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if (IsSDCard())
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{
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TInt blkLenLog2 = CSD().WriteBlLen();
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if (blkLenLog2 == KTwoGbyteSDBlockLen || blkLenLog2 == KFourGbyteSDBlockLen)
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{
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// The SD card spec. makes a special case for 2GByte cards,
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// ...and some manufacturers apply the same method to support 4G cards
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__KTRACE_OPT(KPBUS1, Kern::Printf("=mmc:mwbl > 2GB SD"));
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blkLenLog2 = KDefaultBlockLen;
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}
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return blkLenLog2;
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}
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else // MMC card
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{
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return (TMMCard::MaxWriteBlLen());
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}
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}
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TUint TSDCard::MaxTranSpeedInKilohertz() const
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/**
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* Returns the maximum supported clock rate for the card, in Kilohertz.
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* @return Speed, in Kilohertz
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*/
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{
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TUint maxClk = TMMCard::MaxTranSpeedInKilohertz();
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if (IsSDCard())
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{
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__KTRACE_OPT(KPBUS1, Kern::Printf("\t >TSDCard(%d): MaxTranSpeedInKilohertz: %d",(iIndex-1),maxClk));
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#ifdef _DEBUG
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//MaxClk for SD should only be either 25000KHz or 50000KHz
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if ( (maxClk != KSDDTClk25MHz) && (maxClk != KSDDTClk50MHz) )
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{
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__KTRACE_OPT(KPBUS1, Kern::Printf("\t >DSDStack: Non-Compliant DT Clock"));
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}
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#endif
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if (maxClk > KSDDTClk50MHz)
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{
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//Clock rate exceeds SD possible max clock rate
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__KTRACE_OPT(KPBUS1, Kern::Printf("\t >DSDStack: Tuning DT Clock down to 50MHz"));
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maxClk = KSDDTClk50MHz;
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}
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}
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return maxClk;
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}
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// ======== TSDCardArray ========
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EXPORT_C TInt TSDCardArray::AllocCards()
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//
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// allocate TSDCard objects for iCards and iNewCardsArray. This function
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// is called at bootup as part of stack allocation so there is no cleanup
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// if it fails.
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//
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{
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for (TInt i = 0; i < (TInt) KMaxMMCardsPerStack; ++i)
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{
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// zeroing the card data used to be implicit because embedded in
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// CBase-derived DMMCStack.
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if ((iCards[i] = new TSDCard) == 0)
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return KErrNoMemory;
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iCards[i]->iUsingSessionP = 0;
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if ((iNewCards[i] = new TSDCard) == 0)
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return KErrNoMemory;
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}
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return KErrNone;
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}
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void TSDCardArray::AddCardSDMode(TUint aCardNumber,const TUint8* aCID,TRCA* aNewRCA)
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//
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// Add an MMC card straight to the main card array in slot 'aCardNumber'. Save
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// the CID value in the slot. Return a RCA for the card.
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//
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{
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TRCA rca=0;
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// First, lets check if the same card was here before. If it was, keep the same RCA
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if (Card(aCardNumber).IsPresent() && Card(aCardNumber).iCID==aCID)
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rca=Card(aCardNumber).iRCA;
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else
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{
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// Allocate and new RCA and store the CID in the slot selected
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__ASSERT_ALWAYS( (rca=iOwningStack->iRCAPool.GetFreeRCA())!=0,DMMCSocket::Panic(DMMCSocket::EMMCNoFreeRCA) );
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Card(aCardNumber).iCID=aCID;
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if ( Card(aCardNumber).iRCA != 0 )
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iOwningStack->iRCAPool.UnlockRCA(Card(aCardNumber).iRCA);
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Card(aCardNumber).iRCA=rca;
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iOwningStack->iRCAPool.LockRCA(Card(aCardNumber).iRCA);
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}
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Card(aCardNumber).iIndex=(aCardNumber+1); // Mark card as being present
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*aNewRCA=rca;
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}
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TInt TSDCardArray::StoreRCAIfUnique(TUint aCardNumber,TRCA& anRCA)
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//
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// Check that no other array element has the same RCA value 'anRCA'. If no
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// no duplication then store in slot 'aCardNumber'.
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//
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{
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if (anRCA==0)
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return(KErrGeneral);
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Card(aCardNumber).iRCA=0;
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// Now let's look if we've seen this card before
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for ( TUint i=0 ; i<iOwningStack->iMaxCardsInStack ; i++ )
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{
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if ( Card(i).IsPresent() && Card(i).iRCA==anRCA )
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return(KErrInUse);
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}
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Card(aCardNumber).iRCA=anRCA;
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Card(aCardNumber).iIndex=(aCardNumber+1); // Mark card as being present
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return(KErrNone);
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}
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EXPORT_C void TSDCardArray::DeclareCardAsGone(TUint aCardNumber)
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//
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// reset SD specific fields to initial values and then reset generic MultiMediaCard
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//
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{
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Card(aCardNumber).SetBusWidth(1);
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TMMCardArray::DeclareCardAsGone(aCardNumber);
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}
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// ======== DSDSession ========
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void DSDSession::FillAppCommandDesc(TMMCCommandDesc& aDesc, TSDAppCmd aCmd)
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{
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aDesc.iCommand = (TMMCCommandEnum) aCmd;
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aDesc.iArgument = 0; // set stuff bits to zero
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FillAppCommandDesc(aDesc);
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}
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void DSDSession::FillAppCommandDesc(TMMCCommandDesc& aDesc, TSDAppCmd aCmd, TMMCArgument aArg)
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{
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aDesc.iCommand = (TMMCCommandEnum) aCmd;
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aDesc.iArgument = aArg;
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FillAppCommandDesc(aDesc);
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}
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const TUint32 CCA = KMMCCmdClassApplication;
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const TMMCIdxCommandSpec AppCmdSpecTable[] =
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{ // Class Type Dir MBlk StopT Rsp Type Len
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{ESDACmdSetBusWidth, {CCA,ECmdTypeACS, EDirNone, EFalse, EFalse, ERespTypeR1, 4}}, //ACMD6
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{ESDACmdSDStatus, {CCA,ECmdTypeADTCS, EDirRead, EFalse, EFalse, ERespTypeR1, 4}}, //ACMD13
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{ESDACmdSendNumWrBlocks, {CCA,ECmdTypeADTCS, EDirRead, EFalse, EFalse, ERespTypeR1, 4}}, //ACMD22
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{ESDACmdSetWrBlkEraseCount, {CCA,ECmdTypeACS, EDirNone, EFalse, EFalse, ERespTypeR1, 4}}, //ACMD23
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{ESDACmdSDAppOpCond, {CCA,ECmdTypeBCR, EDirNone, EFalse, EFalse, ERespTypeR3, 4}}, //ACMD41
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{ESDACmdSetClrCardDetect, {CCA,ECmdTypeAC, EDirNone, EFalse, EFalse, ERespTypeR1, 4}}, //ACMD42
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{ESDACmdSendSCR, {CCA,ECmdTypeADTCS, EDirRead, EFalse, EFalse, ERespTypeR1, 4}} //ACMD51
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};
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void DSDSession::FillAppCommandDesc(TMMCCommandDesc& aDesc)
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{
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aDesc.iSpec = FindCommandSpec(AppCmdSpecTable, aDesc.iCommand);
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aDesc.iFlags = 0;
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aDesc.iBytesDone = 0;
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}
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const TMMCIdxCommandSpec SdSpecificCmdSpecTable[] =
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/**
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* SD Specific Command Table
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*
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* - Some commands defined in the SD specification overload those defined in the MMC specification.
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* This table contains the SD specific versions of those commands.
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*/
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{
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// Class Type Dir MBlk StopT Rsp Type Len
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{ESDCmdSendRelativeAddress, {KMMCCmdClassBasic, ECmdTypeBCR, EDirNone, EFalse, EFalse, ERespTypeR6, 4}}, // CMD3 : SEND_RELATIVE_ADDRESS
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{ESDCmdSwitchFunction, {KMMCCmdClassSwitch,ECmdTypeADTCS, EDirRead, EFalse, EFalse, ERespTypeR1, 4}}, // CMD6 : SWITCH_FUNCTION
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{ESDCmdSendIfCond, {KMMCCmdClassBasic, ECmdTypeBCR, EDirNone, EFalse, EFalse, ERespTypeR7, 4}} // CMD8 : SEND_IF_COND
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};
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void DSDSession::FillSdSpecificCommandDesc(TMMCCommandDesc& aDesc, TSDSpecificCmd aCmd, TMMCArgument aArg)
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{
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aDesc.iCommand = (TMMCCommandEnum) aCmd;
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aDesc.iArgument = aArg;
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FillSdSpecificCommandDesc(aDesc);
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}
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void DSDSession::FillSdSpecificCommandDesc(TMMCCommandDesc& aDesc, TSDSpecificCmd aCmd)
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{
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aDesc.iCommand = (TMMCCommandEnum) aCmd;
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aDesc.iArgument = 0; // set stuff bits to zero
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FillSdSpecificCommandDesc(aDesc);
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}
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void DSDSession::FillSdSpecificCommandDesc(TMMCCommandDesc& aDesc)
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{
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aDesc.iSpec = FindCommandSpec(SdSpecificCmdSpecTable, aDesc.iCommand);
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aDesc.iFlags = 0;
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aDesc.iBytesDone = 0;
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}
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// ======== DSDStack ========
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EXPORT_C TInt DSDStack::Init()
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{
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return DMMCStack::Init();
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}
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const TInt KMaxRCASendLoops=3;
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const TUint KSDMaxPollAttempts=25;
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EXPORT_C TMMCErr DSDStack::AcquireStackSM()
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//
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// This macro acquires new cards in an SD Card - star topology stack.
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// This means each card has its own CMD and DAT lines and can be addressed
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// individually by the Controller in turn. Commands can also be broadcast
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// simultaneously to the entire stack.
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// It starts with the Controller reading the operating conditions of each
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// card in the stack (SEND_OP_COND - ACMD41). Then, the following
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// initialisation sequence is performed to each card in turn:-
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// New cards in the stack are identified (ALL_SEND_CID - CMD2) and each one
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|
383 |
// is requested to publish a relative card address (SEND_RCA - CMD3). Finally,
|
|
384 |
// the card specific data (SEND_CSD - CMD9) is read from each card.
|
|
385 |
// Note that the initialization of MMC cards are supported by this function
|
|
386 |
// if they are encountered. These require a slightly different init. procdure.
|
|
387 |
//
|
|
388 |
{
|
|
389 |
enum states
|
|
390 |
{
|
|
391 |
EStBegin=0,
|
|
392 |
EStNextFullRange,
|
|
393 |
EStSendCIDIssued,
|
|
394 |
EStIssueSendRCA,
|
|
395 |
EStSendRCACheck,
|
|
396 |
EStRCADone,
|
|
397 |
EStMoreCardsCheck,
|
|
398 |
EStEnd
|
|
399 |
};
|
|
400 |
|
|
401 |
DMMCSession& s=Session();
|
|
402 |
|
|
403 |
SMF_BEGIN
|
|
404 |
|
|
405 |
__KTRACE_OPT(KPBUS1, Kern::Printf(">DSDStack::AcquireStackSM()"));
|
|
406 |
|
|
407 |
iRCAPool.ReleaseUnlocked();
|
|
408 |
iCxCardCount=0; // Reset current card number
|
|
409 |
|
|
410 |
SMF_STATE(EStNextFullRange)
|
|
411 |
|
|
412 |
iCxCardType = ESDCardTypeUnknown;
|
|
413 |
|
|
414 |
AddressCard(iCxCardCount); // Address the next card
|
|
415 |
|
|
416 |
// Before issueing commands, see if there's actually a card present
|
|
417 |
if (!CardDetect(iCxCardCount))
|
|
418 |
SMF_GOTOS(EStMoreCardsCheck)
|
|
419 |
|
|
420 |
m.SetTraps(KMMCErrResponseTimeOut);
|
|
421 |
SMF_INVOKES(InitialiseMemoryCardSMST, EStSendCIDIssued)
|
|
422 |
|
|
423 |
SMF_STATE(EStSendCIDIssued)
|
|
424 |
|
|
425 |
if( !err )
|
|
426 |
{
|
|
427 |
// The card responded with a CID. We need to initialise the
|
|
428 |
// appropriate entry in the card array with the CID.
|
|
429 |
if (iCxCardType==ESDCardTypeIsSD)
|
|
430 |
{
|
|
431 |
// Now prepare to recieve an RCA from to the card
|
|
432 |
CardArray().CardP(iCxCardCount)->iCID=s.ResponseP();
|
|
433 |
DSDSession::FillSdSpecificCommandDesc(Command(), ESDCmdSendRelativeAddress,0); // SEND_RCA with argument just stuff bits
|
|
434 |
|
|
435 |
m.ResetTraps();
|
|
436 |
iCxPollRetryCount=0; // Init count of send RCA attempts
|
|
437 |
SMF_GOTOS(EStIssueSendRCA)
|
|
438 |
}
|
|
439 |
else
|
|
440 |
{
|
|
441 |
// The card array allocates an RCA, either the old RCA
|
|
442 |
// if we have seen this card before, or a new one.
|
|
443 |
TRCA rca;
|
|
444 |
CardArray().AddCardSDMode(iCxCardCount,s.ResponseP(),&rca);
|
|
445 |
|
|
446 |
// Now assign the new RCA to the card
|
|
447 |
s.FillCommandDesc(ECmdSetRelativeAddr,TMMCArgument(rca));
|
|
448 |
m.ResetTraps();
|
|
449 |
SMF_INVOKES(ExecCommandSMST,EStRCADone)
|
|
450 |
}
|
|
451 |
}
|
|
452 |
else
|
|
453 |
{
|
|
454 |
m.ResetTraps();
|
|
455 |
SMF_GOTOS(EStMoreCardsCheck) // Timed out, try the next card slot
|
|
456 |
}
|
|
457 |
|
|
458 |
SMF_STATE(EStIssueSendRCA)
|
|
459 |
|
|
460 |
SMF_INVOKES(ExecCommandSMST,EStSendRCACheck)
|
|
461 |
|
|
462 |
SMF_STATE(EStSendRCACheck)
|
|
463 |
|
|
464 |
// We need to check that the RCA recieved from the card doesn't clash
|
|
465 |
// with any others in this stack. RCA is first 2 bytes of response buffer (in big endian)
|
|
466 |
TRCA rca=(TUint16)((s.ResponseP()[0]<<8) | s.ResponseP()[1]);
|
|
467 |
if (CardArray().StoreRCAIfUnique(iCxCardCount,rca)!=KErrNone)
|
|
468 |
SMF_GOTOS( ((++iCxPollRetryCount<KMaxRCASendLoops)?EStIssueSendRCA:EStMoreCardsCheck) )
|
|
469 |
|
|
470 |
SMF_STATE(EStRCADone)
|
|
471 |
|
|
472 |
SMF_INVOKES(ConfigureMemoryCardSMST, EStMoreCardsCheck)
|
|
473 |
|
|
474 |
SMF_STATE(EStMoreCardsCheck)
|
|
475 |
|
|
476 |
if (++iCxCardCount < (TInt)iMaxCardsInStack)
|
|
477 |
{
|
|
478 |
__KTRACE_OPT(KPBUS1, Kern::Printf(">DSDStack::AcquireStackSM(): More Cards to check: %d",iCxCardCount));
|
|
479 |
SMF_GOTOS(EStNextFullRange)
|
|
480 |
}
|
|
481 |
else
|
|
482 |
{
|
|
483 |
AddressCard(KBroadcastToAllCards); // Set back to broadcast mode
|
|
484 |
__KTRACE_OPT(KPBUS1, Kern::Printf("<DSDStack::AcquireStackSM()"));
|
|
485 |
}
|
|
486 |
|
|
487 |
SMF_END
|
|
488 |
}
|
|
489 |
|
|
490 |
|
|
491 |
TMMCErr DSDStack::InitialiseMemoryCardSMST(TAny* aStackP)
|
|
492 |
{ return static_cast<DSDStack*>(aStackP)->InitialiseMemoryCardSM(); }
|
|
493 |
|
|
494 |
|
|
495 |
TMMCErr DSDStack::InitialiseMemoryCardSM()
|
|
496 |
/**
|
|
497 |
*/
|
|
498 |
{
|
|
499 |
enum states
|
|
500 |
{
|
|
501 |
EStBegin=0,
|
|
502 |
EStSendInterfaceCondition,
|
|
503 |
EStSentInterfaceCondition,
|
|
504 |
EStSetFullRangeCmd,
|
|
505 |
EStCheckForFullRangeCmd41Timeout,
|
|
506 |
EStSentAppCommandBeforeCheckVoltage,
|
|
507 |
EStCheckVoltage,
|
|
508 |
EStFullRangeDone,
|
|
509 |
EStSetRangeCmd,
|
|
510 |
EStCheckForRangeCmd41Timeout,
|
|
511 |
EStSetRangeBusyCheck,
|
|
512 |
EStCIDCmd,
|
|
513 |
EStSendCIDIssued,
|
|
514 |
EStEnd
|
|
515 |
};
|
|
516 |
|
|
517 |
DMMCSession& s=Session();
|
|
518 |
DMMCPsu* psu=(DMMCPsu*)MMCSocket()->iVcc;
|
|
519 |
|
|
520 |
static const TUint32 KCmd8Param = 0x0100 | 0x00AA; // Voltage supplied : 2.7-3.6V, Check Pattern 10101010b
|
|
521 |
static const TUint32 KCmd8CheckMask = 0x00000FFF;
|
|
522 |
|
|
523 |
SMF_BEGIN
|
|
524 |
|
|
525 |
iCxCardType = ESDCardTypeUnknown;
|
|
526 |
s.iCardP = NULL; // This stops ExecCommandSM() from setting old RCA when sending CMD55
|
|
527 |
|
|
528 |
// Send CMD0 to initialise memory
|
|
529 |
SMF_INVOKES(GoIdleSMST, EStSendInterfaceCondition);
|
|
530 |
|
|
531 |
SMF_STATE(EStSendInterfaceCondition)
|
|
532 |
|
|
533 |
iCxPollRetryCount=0; // Reset max number of poll attempts on card busy
|
|
534 |
iConfig.SetPollAttempts(KSDMaxPollAttempts); // Increase card busy timeout to 1 Sec for SD Cards
|
|
535 |
|
|
536 |
iConfig.RemoveMode( KMMCModeEnableTimeOutRetry ); // Temporarily disable timeout retries - since we use a timeout event to distinguish between MMC and SD
|
|
537 |
|
|
538 |
DSDSession::FillSdSpecificCommandDesc(Command(), ESDCmdSendIfCond, KCmd8Param);
|
|
539 |
|
|
540 |
// SD2.0 defines CMD8 as having a new response type - R7
|
|
541 |
// if the PSL doesn't indicate support for R7, use R1 instead
|
|
542 |
if (!(MMCSocket()->MachineInfo().iFlags & TMMCMachineInfo::ESupportsR7))
|
|
543 |
{
|
|
544 |
__KTRACE_OPT(KPBUS1, Kern::Printf("R7 not supported."));
|
|
545 |
Command().iSpec.iResponseType = ERespTypeR1;
|
|
546 |
}
|
|
547 |
|
|
548 |
|
|
549 |
m.SetTraps(KMMCErrAll);
|
|
550 |
SMF_INVOKES(ExecCommandSMST, EStSentInterfaceCondition)
|
|
551 |
|
|
552 |
SMF_STATE(EStSentInterfaceCondition)
|
|
553 |
|
|
554 |
if (err == KMMCErrNone)
|
|
555 |
{
|
|
556 |
// Check the response for voltage and check pattern
|
|
557 |
const TUint32 status = TMMC::BigEndian32(s.ResponseP());
|
|
558 |
if((status & KCmd8CheckMask) == KCmd8Param)
|
|
559 |
{
|
|
560 |
__KTRACE_OPT(KPBUS1, Kern::Printf("Found v2 card."));
|
|
561 |
iCurrentOpRange |= KMMCOCRAccessModeHCS;
|
|
562 |
}
|
|
563 |
else
|
|
564 |
{
|
|
565 |
// Pattern Mis-match, card does not support the specified voltage range
|
|
566 |
return( KMMCErrNotSupported );
|
|
567 |
}
|
|
568 |
|
|
569 |
SMF_GOTOS(EStCheckVoltage);
|
|
570 |
}
|
|
571 |
|
|
572 |
// Go idle again after CMD8 failure
|
|
573 |
SMF_INVOKES(GoIdleSMST, EStCheckVoltage);
|
|
574 |
|
|
575 |
|
|
576 |
SMF_STATE(EStCheckVoltage)
|
|
577 |
|
|
578 |
|
|
579 |
// If platform doesn't support an adjustable voltage PSU then there's no
|
|
580 |
// point in doing a full range for its supported range. To support range
|
|
581 |
// checking on a multi-card stack would require a complete scan of all
|
|
582 |
// cards before actually setting the range. This would over-complicate things
|
|
583 |
// and make the more normal single card/none adjustable cases less efficient.
|
|
584 |
if ( !(psu->VoltageSupported()&KMMCAdjustableOpVoltage) || iMaxCardsInStack>1)
|
|
585 |
{
|
|
586 |
// if the PSU isn't adjustable then it can't support low voltage mode
|
|
587 |
iCurrentOpRange&= ~KMMCOCRLowVoltage;
|
|
588 |
|
|
589 |
SMF_GOTOS(EStSetRangeCmd)
|
|
590 |
}
|
|
591 |
|
|
592 |
SMF_STATE(EStSetFullRangeCmd)
|
|
593 |
|
|
594 |
// Issue ACMD41/CMD1 with omitted voltage range
|
|
595 |
if (iCxCardType==ESDCardTypeIsMMC)
|
|
596 |
{
|
|
597 |
s.FillCommandDesc(ECmdSendOpCond, KMMCOCRAccessModeHCS | KMMCOCRBusy); // Full range + Sector Access + Busy bit (iArgument==KBit31)
|
|
598 |
SMF_NEXTS(EStFullRangeDone)
|
|
599 |
}
|
|
600 |
else
|
|
601 |
{
|
|
602 |
DSDSession::FillAppCommandDesc(Command(), ESDACmdSDAppOpCond, TMMCArgument(0));
|
|
603 |
SMF_NEXTS(EStCheckForFullRangeCmd41Timeout)
|
|
604 |
}
|
|
605 |
|
|
606 |
m.SetTraps(KMMCErrResponseTimeOut);
|
|
607 |
SMF_CALL(ExecCommandSMST)
|
|
608 |
|
|
609 |
SMF_STATE(EStCheckForFullRangeCmd41Timeout)
|
|
610 |
|
|
611 |
if (err==KMMCErrResponseTimeOut)
|
|
612 |
{
|
|
613 |
__KTRACE_OPT(KPBUS1, Kern::Printf("ACMD 41 not supported - Assuming MMC"));
|
|
614 |
iCxCardType=ESDCardTypeIsMMC;
|
|
615 |
|
|
616 |
// Send CMD0 to re-initialise the card - otherwise we may get
|
|
617 |
// KMMCStatErrIllegalCommand returned for the next command
|
|
618 |
// expecting an R1 response. NB The SD spec recommends ignoring the error
|
|
619 |
// whereas the SDIO spec recommends this approach (ignoring the error
|
|
620 |
// would be difficult to code anyway, since by then we're no longer
|
|
621 |
// in this state machine).
|
|
622 |
SMF_INVOKES(GoIdleSMST, EStSetFullRangeCmd); // Repeat - but using CMD1
|
|
623 |
}
|
|
624 |
else
|
|
625 |
{
|
|
626 |
// No response timeout - so it must be an SD Card
|
|
627 |
(CardArray().CardP(iCxCardCount)->iFlags)|=KSDCardIsSDCard;
|
|
628 |
iCxCardType=ESDCardTypeIsSD;
|
|
629 |
}
|
|
630 |
|
|
631 |
SMF_STATE(EStFullRangeDone)
|
|
632 |
|
|
633 |
if (!err)
|
|
634 |
{
|
|
635 |
// Card responded with Op range - evaluate the common subset with the current setting.
|
|
636 |
// Dont worry about the busy bit for now, we'll check that when we repeat the command
|
|
637 |
const TUint32 range = (iCurrentOpRange & ~KMMCOCRAccessModeHCS) & (TMMC::BigEndian32(s.ResponseP()) & ~KMMCOCRBusy);
|
|
638 |
if(range == 0)
|
|
639 |
{
|
|
640 |
return( KMMCErrNotSupported ); // Card is incompatible with our h/w
|
|
641 |
}
|
|
642 |
iCurrentOpRange = range | (iCurrentOpRange & KMMCOCRAccessModeHCS);
|
|
643 |
}
|
|
644 |
|
|
645 |
// Repeat SEND_OP_COND this time setting Current Op Range
|
|
646 |
if (iCxCardType==ESDCardTypeIsMMC)
|
|
647 |
{
|
|
648 |
// If platform and the card both support low voltage mode (1.65 - 1.95v), switch
|
|
649 |
// NB If this fails then there is no recovery.
|
|
650 |
if (iCurrentOpRange & KMMCOCRLowVoltage)
|
|
651 |
{
|
|
652 |
iCurrentOpRange = KMMCOCRLowVoltage;
|
|
653 |
SMF_INVOKES( SwitchToLowVoltageSMST, EStSetRangeCmd )
|
|
654 |
}
|
|
655 |
}
|
|
656 |
|
|
657 |
SMF_STATE(EStSetRangeCmd)
|
|
658 |
|
|
659 |
// Issue ACMD41/CMD1 with voltage range
|
|
660 |
if (iCxCardType==ESDCardTypeIsMMC)
|
|
661 |
{
|
|
662 |
s.FillCommandDesc(ECmdSendOpCond,(iCurrentOpRange | KMMCOCRAccessModeHCS | KMMCOCRBusy)); // Range supported + Sector Access Busy bit (iArgument==KBit31)
|
|
663 |
SMF_NEXTS(EStSetRangeBusyCheck)
|
|
664 |
}
|
|
665 |
else
|
|
666 |
{
|
|
667 |
TUint arg = (iCurrentOpRange & ~KMMCOCRAccessModeHCS); // Range supported
|
|
668 |
if((iCurrentOpRange & KMMCOCRAccessModeHCS) != 0)
|
|
669 |
{
|
|
670 |
arg |= KMMCOCRAccessModeHCS;
|
|
671 |
}
|
|
672 |
DSDSession::FillAppCommandDesc(Command(), ESDACmdSDAppOpCond, arg);
|
|
673 |
SMF_NEXTS((iCxCardType == ESDCardTypeUnknown)? EStCheckForRangeCmd41Timeout : EStSetRangeBusyCheck)
|
|
674 |
}
|
|
675 |
|
|
676 |
m.SetTraps(KMMCErrResponseTimeOut);
|
|
677 |
SMF_CALL(ExecCommandSMST)
|
|
678 |
|
|
679 |
SMF_STATE(EStCheckForRangeCmd41Timeout)
|
|
680 |
|
|
681 |
__KTRACE_OPT(KPBUS1, Kern::Printf("-mst:ascs:crct:%d", err));
|
|
682 |
if (err==KMMCErrResponseTimeOut)
|
|
683 |
{
|
|
684 |
iCxCardType=ESDCardTypeIsMMC;
|
|
685 |
// Send CMD0 to re-initialise the card - otherwise we may get
|
|
686 |
// KMMCStatErrIllegalCommand returned for the next command
|
|
687 |
// expecting an R1 response. NB The SD spec recommends ignoring the error
|
|
688 |
// whereas the SDIO spec recommends this approach (ignoring the error
|
|
689 |
// would be difficult to code anyway, since by then we're no longer
|
|
690 |
// in this state machine).
|
|
691 |
SMF_INVOKES(GoIdleSMST, EStSetRangeCmd); // Repeat - but using CMD1
|
|
692 |
}
|
|
693 |
else
|
|
694 |
{
|
|
695 |
// No response timeout - so it must be an SD Card
|
|
696 |
__KTRACE_OPT(KPBUS1, Kern::Printf("-mst:ascs:crct2:%x", iCardArray));
|
|
697 |
__KTRACE_OPT(KPBUS1, Kern::Printf("-mst:ascs:crct3:%x", iCxCardCount));
|
|
698 |
__KTRACE_OPT(KPBUS1, Kern::Printf("-mst:ascs:crct4:%x", CardArray().CardP(iCxCardCount)));
|
|
699 |
|
|
700 |
(CardArray().CardP(iCxCardCount)->iFlags)|=KSDCardIsSDCard;
|
|
701 |
iCxCardType=ESDCardTypeIsSD;
|
|
702 |
}
|
|
703 |
|
|
704 |
SMF_STATE(EStSetRangeBusyCheck)
|
|
705 |
|
|
706 |
__KTRACE_OPT(KPBUS1, Kern::Printf("-mst:ascs:src:%d",iCxCardType)); // 1:MMC, 2:SD
|
|
707 |
|
|
708 |
if ( !err )
|
|
709 |
{
|
|
710 |
const TUint32 ocrResponse = TMMC::BigEndian32(s.ResponseP());
|
|
711 |
|
|
712 |
if ((ocrResponse & KMMCOCRBusy) == 0)
|
|
713 |
{
|
|
714 |
__KTRACE_OPT(KPBUS1,Kern::Printf("-sd:upd:bsy"));
|
|
715 |
// Card is still busy powering up. Check if we should timeout
|
|
716 |
if ( ++iCxPollRetryCount > iConfig.OpCondBusyTimeout() )
|
|
717 |
{
|
|
718 |
__KTRACE_OPT2(KPBUS1, KPANIC, Kern::Printf("-sd:ocr busy timed out"));
|
|
719 |
return( KMMCErrBusTimeOut );
|
|
720 |
}
|
|
721 |
|
|
722 |
#ifdef _DEBUG
|
|
723 |
if ( iCxPollRetryCount > KMMCSpecOpCondBusyTimeout )
|
|
724 |
{
|
|
725 |
__KTRACE_OPT2(KPBUS1, KPANIC, Kern::Printf("-sd:ocr exceeded spec timeout!! (%d ms)", (iCxPollRetryCount*KMMCRetryGapInMilliseconds)));
|
|
726 |
}
|
|
727 |
#endif
|
|
728 |
m.ResetTraps();
|
|
729 |
|
|
730 |
SMF_INVOKES(RetryGapTimerSMST,EStSetRangeCmd)
|
|
731 |
}
|
|
732 |
else
|
|
733 |
{
|
|
734 |
if(ocrResponse & KMMCOCRAccessModeHCS)
|
|
735 |
{
|
|
736 |
CardArray().CardP(iCxCardCount)->iFlags |= KMMCardIsHighCapacity;
|
|
737 |
#ifdef _DEBUG
|
|
738 |
if(iCxCardType == ESDCardTypeIsSD)
|
|
739 |
{
|
|
740 |
__KTRACE_OPT(KPBUS1, Kern::Printf("Found large SD card."));
|
|
741 |
}
|
|
742 |
else if(iCxCardType == ESDCardTypeIsMMC)
|
|
743 |
{
|
|
744 |
__KTRACE_OPT(KPBUS1, Kern::Printf("Found large MMC card."));
|
|
745 |
}
|
|
746 |
#endif
|
|
747 |
}
|
|
748 |
}
|
|
749 |
}
|
|
750 |
|
|
751 |
// Restore original settings
|
|
752 |
iConfig.SetMode( EffectiveModes(s.iConfig) & KMMCModeEnableTimeOutRetry );
|
|
753 |
iConfig.SetPollAttempts(KMMCMaxPollAttempts);
|
|
754 |
|
|
755 |
// All cards are now ready and notified of the voltage range - ask ASSP to set it up
|
|
756 |
if (iCxCardType==ESDCardTypeIsMMC)
|
|
757 |
{
|
|
758 |
iCurrentOpRange &= ~KMMCOCRAccessModeMask;
|
|
759 |
}
|
|
760 |
else
|
|
761 |
{
|
|
762 |
iCurrentOpRange &= ~KMMCOCRAccessModeHCS;
|
|
763 |
}
|
|
764 |
|
|
765 |
psu->SetVoltage(iCurrentOpRange);
|
|
766 |
if (psu->SetState(EPsuOnFull) != KErrNone)
|
|
767 |
{
|
|
768 |
return(KMMCErrHardware);
|
|
769 |
}
|
|
770 |
|
|
771 |
SMF_STATE(EStCIDCmd)
|
|
772 |
|
|
773 |
s.FillCommandDesc(ECmdAllSendCID,0);
|
|
774 |
m.ResetTraps();
|
|
775 |
SMF_INVOKES(ExecCommandSMST,EStSendCIDIssued)
|
|
776 |
|
|
777 |
SMF_STATE(EStSendCIDIssued)
|
|
778 |
|
|
779 |
|
|
780 |
// All done - Higher level state machine expects CID in s.ResponseP()
|
|
781 |
|
|
782 |
SMF_END
|
|
783 |
}
|
|
784 |
|
|
785 |
TMMCErr DSDStack::ConfigureMemoryCardSMST(TAny* aStackP)
|
|
786 |
{ return static_cast<DSDStack*>(aStackP)->ConfigureMemoryCardSM(); }
|
|
787 |
|
|
788 |
TMMCErr DSDStack::ConfigureMemoryCardSM()
|
|
789 |
/**
|
|
790 |
*/
|
|
791 |
{
|
|
792 |
enum states
|
|
793 |
{
|
|
794 |
EStBegin=0,
|
|
795 |
EStSendCSDDone,
|
|
796 |
EStEnd
|
|
797 |
};
|
|
798 |
|
|
799 |
DMMCSession& s=Session();
|
|
800 |
|
|
801 |
//coverity[UNREACHABLE]
|
|
802 |
//Part of state machine design.
|
|
803 |
SMF_BEGIN
|
|
804 |
|
|
805 |
// Cards is initialised so get its CSD
|
|
806 |
|
|
807 |
s.FillCommandDesc(ECmdSendCSD, TUint32(CardArray().CardP(iCxCardCount)->iRCA) << 16);
|
|
808 |
SMF_INVOKES(ExecCommandSMST, EStSendCSDDone)
|
|
809 |
|
|
810 |
SMF_STATE(EStSendCSDDone)
|
|
811 |
|
|
812 |
// Store the CSD in the new card entry
|
|
813 |
TMMCard* cardP = CardArray().CardP(iCxCardCount);
|
|
814 |
cardP->iCSD = s.ResponseP();
|
|
815 |
|
|
816 |
if(CardArray().Card(iCxCardCount).IsSDCard())
|
|
817 |
{
|
|
818 |
// Perform SD Specific parsing of the CSD structure
|
|
819 |
if(cardP->CSD().CCC() & KMMCCmdClassLockCard)
|
|
820 |
{
|
|
821 |
cardP->iFlags |= KMMCardIsLockable;
|
|
822 |
}
|
|
823 |
}
|
|
824 |
else
|
|
825 |
{
|
|
826 |
// Perform MMC Specific parsing of the CSD structure
|
|
827 |
TUint specVers = cardP->CSD().SpecVers(); // 1 => 1.4, 2 => 2.0 - 2.2, 3 => 3.1
|
|
828 |
if ((specVers >= 2) && (cardP->CSD().CCC() & KMMCCmdClassLockCard))
|
|
829 |
{
|
|
830 |
cardP->iFlags |= KMMCardIsLockable;
|
|
831 |
}
|
|
832 |
}
|
|
833 |
|
|
834 |
// Check the state of the mechanical write protect switch
|
|
835 |
if (WriteProtected(iCxCardCount))
|
|
836 |
{
|
|
837 |
cardP->iFlags |= KMMCardIsWriteProtected;
|
|
838 |
}
|
|
839 |
|
|
840 |
SMF_END
|
|
841 |
}
|
|
842 |
|
|
843 |
EXPORT_C TMMCErr DSDStack::InitStackAfterUnlockSM()
|
|
844 |
//
|
|
845 |
// Performs initialisation of the SD card after the card has been unlocked
|
|
846 |
//
|
|
847 |
{
|
|
848 |
enum states
|
|
849 |
{
|
|
850 |
EStBegin=0,
|
|
851 |
EStNextCard,
|
|
852 |
EStSelectCard,
|
|
853 |
EStSetBusWidth,
|
|
854 |
EStSetBusWidth1,
|
|
855 |
EStGetSDStatus,
|
|
856 |
EStGetSDStatus1,
|
|
857 |
EStDecodeSDStatus,
|
|
858 |
EStDeselectCard,
|
|
859 |
EStCardDeselectedReadCSD,
|
|
860 |
EStCSDCmdSent,
|
|
861 |
EStMoreCardsCheck,
|
|
862 |
EStEnd
|
|
863 |
};
|
|
864 |
|
|
865 |
DMMCSession& s=Session();
|
|
866 |
|
|
867 |
SMF_BEGIN
|
|
868 |
|
|
869 |
__KTRACE_OPT(KPBUS1, Kern::Printf(">DSDStack::InitStackAfterUnlockSM()"));
|
|
870 |
iRCAPool.ReleaseUnlocked();
|
|
871 |
iCxCardCount=0; // Reset current card number
|
|
872 |
|
|
873 |
SMF_STATE(EStNextCard)
|
|
874 |
AddressCard(iCxCardCount); // Address the next card
|
|
875 |
|
|
876 |
if (!CardDetect(iCxCardCount))
|
|
877 |
SMF_GOTOS(EStMoreCardsCheck)
|
|
878 |
|
|
879 |
s.SetCard(CardArray().CardP(iCxCardCount));
|
|
880 |
|
|
881 |
if (!CardArray().Card(iCxCardCount).IsSDCard())
|
|
882 |
{
|
|
883 |
SMF_INVOKES( DMMCStack::InitCurrentCardAfterUnlockSMST, EStMoreCardsCheck )
|
|
884 |
}
|
|
885 |
|
|
886 |
SMF_STATE(EStSelectCard)
|
|
887 |
|
|
888 |
TRCA targetRCA = CardArray().Card(iCxCardCount).RCA();
|
|
889 |
if (targetRCA == SelectedCard())
|
|
890 |
{
|
|
891 |
SMF_GOTOS(EStSetBusWidth)
|
|
892 |
}
|
|
893 |
|
|
894 |
s.FillCommandDesc(ECmdSelectCard, targetRCA);
|
|
895 |
SMF_INVOKES(ExecCommandSMST,EStSetBusWidth)
|
|
896 |
|
|
897 |
SMF_STATE(EStSetBusWidth)
|
|
898 |
const TMMCStatus status = s.LastStatus();
|
|
899 |
if((status & KMMCStatCardIsLocked) != 0)
|
|
900 |
SMF_GOTOS(EStDeselectCard)
|
|
901 |
|
|
902 |
// set bus width with ACMD6
|
|
903 |
TUint32 arg = TUint32(CardArray().Card(iCxCardCount).RCA()) << 16;
|
|
904 |
s.FillCommandDesc(ECmdAppCmd, arg);
|
|
905 |
SMF_INVOKES(IssueCommandCheckResponseSMST,EStSetBusWidth1)
|
|
906 |
|
|
907 |
SMF_STATE(EStSetBusWidth1)
|
|
908 |
CardArray().Card(iCxCardCount).SetBusWidth(4);
|
|
909 |
DSDSession::FillAppCommandDesc(Command(), ESDACmdSetBusWidth, KSDBusWidth4);
|
|
910 |
SMF_INVOKES(IssueCommandCheckResponseSMST,EStGetSDStatus)
|
|
911 |
|
|
912 |
SMF_STATE(EStGetSDStatus)
|
|
913 |
// Now we have sent ACMD6, ask the controller to set the bus width to 4
|
|
914 |
DoSetBusWidth(EBusWidth4);
|
|
915 |
|
|
916 |
// get protected area size with ACMD13
|
|
917 |
TUint32 arg = TUint32(CardArray().Card(iCxCardCount).RCA()) << 16;
|
|
918 |
s.FillCommandDesc(ECmdAppCmd,arg);
|
|
919 |
SMF_INVOKES(IssueCommandCheckResponseSMST,EStGetSDStatus1)
|
|
920 |
|
|
921 |
SMF_STATE(EStGetSDStatus1)
|
|
922 |
DSDSession::FillAppCommandDesc(Command(), ESDACmdSDStatus);
|
|
923 |
s.FillCommandArgs(0, KSDStatusBlockLength, iPSLBuf, KSDStatusBlockLength);
|
|
924 |
SMF_INVOKES(IssueCommandCheckResponseSMST,EStDecodeSDStatus);
|
|
925 |
|
|
926 |
SMF_STATE(EStDecodeSDStatus)
|
|
927 |
#ifdef _DEBUG
|
|
928 |
for (TUint i = 0; i < KSDStatusBlockLength; ++i)
|
|
929 |
{
|
|
930 |
__KTRACE_OPT(KPBUS1, Kern::Printf("SD_STATUS[0x%x] = %x", i, iPSLBuf[i]));
|
|
931 |
}
|
|
932 |
#endif
|
|
933 |
// bits 495:480 are SD_CARD_TYPE. Check this is 00xxh (x = don't care).
|
|
934 |
|
|
935 |
if (iPSLBuf[2] != 0)
|
|
936 |
return KMMCErrNotSupported;
|
|
937 |
|
|
938 |
// bits 479:448 contain SIZE_OF_PROTECTED_AREA.
|
|
939 |
// (This is bytes 4 to 7 in big-endian format.)
|
|
940 |
|
|
941 |
TSDCard& sdc = CardArray().Card(iCxCardCount);
|
|
942 |
__KTRACE_OPT(KPBUS1, Kern::Printf("\t >DSDStack: Card %d", iCxCardCount));
|
|
943 |
TUint32 size_of_protected_area = TMMC::BigEndian32(&iPSLBuf[4]);
|
|
944 |
__KTRACE_OPT(KPBUS1, Kern::Printf("\t >DSDStack: SizeOfProtectedArea: %d", size_of_protected_area));
|
|
945 |
const TCSD& csd = sdc.CSD();
|
|
946 |
TUint32 pas = 0;
|
|
947 |
|
|
948 |
if (sdc.IsHighCapacity())
|
|
949 |
{
|
|
950 |
// High Capacity Card
|
|
951 |
// Protected Area = SIZE_OF_PROTECTED_AREA
|
|
952 |
pas = size_of_protected_area;
|
|
953 |
__KTRACE_OPT(KPBUS1, Kern::Printf("\t >DSDStack(SDHC): SetProtectedAreaSize: %d", pas));
|
|
954 |
}
|
|
955 |
else
|
|
956 |
{
|
|
957 |
// Standard Capacity Card
|
|
958 |
// Protected Area = SIZE_OF_PROTECTED_AREA * C_SIZE_MULT * BLOCK_LEN
|
|
959 |
pas = size_of_protected_area * (1 << (csd.CSizeMult() + 2 + csd.ReadBlLen()));
|
|
960 |
__KTRACE_OPT(KPBUS1, Kern::Printf("\t >DSDStack(SDSC): SetProtectedAreaSize: %d", pas));
|
|
961 |
}
|
|
962 |
|
|
963 |
sdc.SetProtectedAreaSize(pas);
|
|
964 |
|
|
965 |
//bits 431:428 contain AU_SIZE
|
|
966 |
//(This is higher order 4 bits of 10th byte in big endian format)
|
|
967 |
TUint8 au = TUint8(iPSLBuf[10] >> 4);
|
|
968 |
if(au == 0) //AU_SIZE field in SD status register is undefined.
|
|
969 |
au = 6; //Defaulting to value corresponding to 512K
|
|
970 |
sdc.SetAUSize(au);
|
|
971 |
|
|
972 |
SMF_INVOKES(SwitchToHighSpeedModeSMST, EStDeselectCard)
|
|
973 |
|
|
974 |
SMF_STATE(EStDeselectCard)
|
|
975 |
s.FillCommandDesc(ECmdSelectCard, 0);
|
|
976 |
SMF_INVOKES(ExecCommandSMST, EStCardDeselectedReadCSD)
|
|
977 |
|
|
978 |
SMF_STATE(EStCardDeselectedReadCSD)
|
|
979 |
//
|
|
980 |
// Read the card's CSD register (again)
|
|
981 |
//
|
|
982 |
// - We re-read the CSD, as the TRAN_SPEED field may have changed due to a switch to HS Mode
|
|
983 |
//
|
|
984 |
TUint32 arg = TUint32(CardArray().Card(iCxCardCount).RCA()) << 16;
|
|
985 |
s.FillCommandDesc( ECmdSendCSD, arg );
|
|
986 |
SMF_INVOKES(ExecCommandSMST, EStCSDCmdSent)
|
|
987 |
|
|
988 |
SMF_STATE(EStCSDCmdSent)
|
|
989 |
//
|
|
990 |
// Store the CSD in the card entry
|
|
991 |
//
|
|
992 |
TMMCard* cardP = iCardArray->CardP(iCxCardCount);
|
|
993 |
cardP->iCSD = s.ResponseP();
|
|
994 |
|
|
995 |
SMF_STATE(EStMoreCardsCheck)
|
|
996 |
if (++iCxCardCount < (TInt)iMaxCardsInStack)
|
|
997 |
{
|
|
998 |
__KTRACE_OPT(KPBUS1, Kern::Printf("\t >DSDStack: Address Next card: %d",iCxCardCount));
|
|
999 |
SMF_GOTOS(EStNextCard)
|
|
1000 |
}
|
|
1001 |
else
|
|
1002 |
{
|
|
1003 |
AddressCard(KBroadcastToAllCards);
|
|
1004 |
__KTRACE_OPT(KPBUS1, Kern::Printf("<DSDStack::InitStackAfterUnlockSM()"));
|
|
1005 |
}
|
|
1006 |
|
|
1007 |
SMF_END
|
|
1008 |
|
|
1009 |
}
|
|
1010 |
|
|
1011 |
TMMCErr DSDStack::CIMReadWriteMemoryBlocksSMST(TAny* aStackP)
|
|
1012 |
{ return( static_cast<DSDStack *>(aStackP)->DMMCStack::CIMReadWriteBlocksSM() ); }
|
|
1013 |
|
|
1014 |
|
|
1015 |
EXPORT_C TMMCErr DSDStack::CIMReadWriteBlocksSM()
|
|
1016 |
//
|
|
1017 |
// This macro performs single/multiple block reads and writes
|
|
1018 |
// For normal read/write block operations, this function determines the appropriate
|
|
1019 |
// MMC command to send and fills the command descriptor accordingly based on
|
|
1020 |
// the value of the session ID set. However, it is necessary to have set the
|
|
1021 |
// command arguments (with DMMCSession::FillCommandArgs()) before this function
|
|
1022 |
// is called.
|
|
1023 |
// For special block read/write operations, e.g. lock/unlock, it is required to
|
|
1024 |
// have already filled the command descriptor (with DMMCSession::FillCommandDesc())
|
|
1025 |
// for the special command required - in addition to have setup the command arguments.
|
|
1026 |
//
|
|
1027 |
{
|
|
1028 |
enum states
|
|
1029 |
{
|
|
1030 |
EStBegin=0,
|
|
1031 |
EStRestart,
|
|
1032 |
EStAttached,
|
|
1033 |
EStLength1,
|
|
1034 |
EStLengthSet,
|
|
1035 |
EStIssued,
|
|
1036 |
EStWaitFinish,
|
|
1037 |
EStWaitFinish1,
|
|
1038 |
EStRWFinish,
|
|
1039 |
EStDone,
|
|
1040 |
EStEnd
|
|
1041 |
};
|
|
1042 |
|
|
1043 |
DMMCSession& s = Session();
|
|
1044 |
|
|
1045 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">SD:RWBlocksSM %x",TUint(s.iLastStatus)));
|
|
1046 |
|
|
1047 |
SMF_BEGIN
|
|
1048 |
|
|
1049 |
TSDCard& sdCard = *static_cast<TSDCard*>(s.iCardP);
|
|
1050 |
AddressCard(sdCard.iIndex-1);
|
|
1051 |
|
|
1052 |
if(sdCard.IsSDCard() == EFalse)
|
|
1053 |
{
|
|
1054 |
//
|
|
1055 |
// If this is not an SD card, then use the more appropriate
|
|
1056 |
// MMC state machine as this is optimised for MMC performance
|
|
1057 |
//
|
|
1058 |
SMF_INVOKES(CIMReadWriteMemoryBlocksSMST, EStDone);
|
|
1059 |
}
|
|
1060 |
|
|
1061 |
if(s.iSessionID == ECIMWriteBlock || s.iSessionID == ECIMWriteMBlock)
|
|
1062 |
{
|
|
1063 |
// Check that the card supports class 4 (Write) commands
|
|
1064 |
const TUint ccc = s.iCardP->CSD().CCC();
|
|
1065 |
if(!(ccc & KMMCCmdClassBlockWrite))
|
|
1066 |
return( KMMCErrNotSupported );
|
|
1067 |
}
|
|
1068 |
|
|
1069 |
Command().iCustomRetries = 0; // MBW retries
|
|
1070 |
s.iState |= KMMCSessStateInProgress;
|
|
1071 |
m.SetTraps(KMMCErrInitContext);
|
|
1072 |
|
|
1073 |
SMF_STATE(EStRestart) // NB: ErrBypass is not processed here
|
|
1074 |
|
|
1075 |
SMF_CALLMEWR(EStRestart) // Create a recursive call entry to recover from the errors trapped
|
|
1076 |
m.SetTraps(KMMCErrStatus);
|
|
1077 |
if (s.Command().iSpec.iCommandClass!=KMMCCmdClassApplication || s.Command().iCommand==ECmdAppCmd )
|
|
1078 |
{
|
|
1079 |
s.ResetCommandStack();
|
|
1080 |
SMF_INVOKES( AttachCardSMST, EStAttached ) // attachment is mandatory here
|
|
1081 |
}
|
|
1082 |
|
|
1083 |
SMF_BPOINT(EStAttached)
|
|
1084 |
|
|
1085 |
TMMCCommandDesc& cmd = s.Command();
|
|
1086 |
|
|
1087 |
const TUint32 blockLength = cmd.BlockLength();
|
|
1088 |
if((blockLength == 0) || (blockLength > (TUint)KDefaultBlockLenInBytes))
|
|
1089 |
{
|
|
1090 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">SD:RWBlocksSM err BlockLen:%d",blockLength));
|
|
1091 |
return KMMCErrArgument;
|
|
1092 |
}
|
|
1093 |
|
|
1094 |
if(s.iSessionID == ECIMReadBlock ||
|
|
1095 |
s.iSessionID == ECIMWriteBlock ||
|
|
1096 |
s.iSessionID == ECIMReadMBlock ||
|
|
1097 |
s.iSessionID == ECIMWriteMBlock)
|
|
1098 |
{
|
|
1099 |
// read/write operation
|
|
1100 |
if(!cmd.AdjustForBlockOrByteAccess(s))
|
|
1101 |
{
|
|
1102 |
// unable to convert command arguments to suit the underlying block/byte access mode
|
|
1103 |
return KMMCErrArgument;
|
|
1104 |
}
|
|
1105 |
}
|
|
1106 |
|
|
1107 |
// Set the block length if it has changed. Always set for ECIMLockUnlock.
|
|
1108 |
if ((blockLength == s.iCardP->iSetBlockLen) && (s.iSessionID != ECIMLockUnlock))
|
|
1109 |
{
|
|
1110 |
SMF_GOTOS( EStLengthSet )
|
|
1111 |
}
|
|
1112 |
|
|
1113 |
s.iCardP->iSetBlockLen = 0;
|
|
1114 |
s.PushCommandStack();
|
|
1115 |
s.FillCommandDesc( ECmdSetBlockLen, blockLength );
|
|
1116 |
SMF_INVOKES( ExecCommandSMST, EStLength1 )
|
|
1117 |
|
|
1118 |
SMF_STATE(EStLength1)
|
|
1119 |
|
|
1120 |
const TMMCStatus status(s.ResponseP());
|
|
1121 |
s.PopCommandStack();
|
|
1122 |
if (status.Error())
|
|
1123 |
SMF_RETURN(KMMCErrStatus)
|
|
1124 |
s.iCardP->iSetBlockLen = s.Command().BlockLength();
|
|
1125 |
|
|
1126 |
SMF_STATE(EStLengthSet)
|
|
1127 |
|
|
1128 |
TMMCCommandDesc& cmd = s.Command();
|
|
1129 |
TUint opType = 0;
|
|
1130 |
const TUint kTypeWrite = KBit0;
|
|
1131 |
const TUint kTypeMultiple = KBit1;
|
|
1132 |
const TUint kTypeSpecial = KBit2;
|
|
1133 |
static const TMMCCommandEnum cmdCodes[4] =
|
|
1134 |
{ECmdReadSingleBlock, ECmdWriteBlock, ECmdReadMultipleBlock, ECmdWriteMultipleBlock};
|
|
1135 |
|
|
1136 |
switch( s.iSessionID )
|
|
1137 |
{
|
|
1138 |
case ECIMReadBlock:
|
|
1139 |
break;
|
|
1140 |
case ECIMWriteBlock:
|
|
1141 |
opType=kTypeWrite;
|
|
1142 |
break;
|
|
1143 |
case ECIMReadMBlock:
|
|
1144 |
opType=kTypeMultiple;
|
|
1145 |
break;
|
|
1146 |
case ECIMWriteMBlock:
|
|
1147 |
opType=kTypeWrite|kTypeMultiple;
|
|
1148 |
break;
|
|
1149 |
case ECIMLockUnlock:
|
|
1150 |
default:
|
|
1151 |
opType=kTypeSpecial;
|
|
1152 |
break;
|
|
1153 |
}
|
|
1154 |
|
|
1155 |
const TUint blocks = cmd.iTotalLength / cmd.BlockLength();
|
|
1156 |
if ( blocks * cmd.BlockLength() != cmd.iTotalLength )
|
|
1157 |
return( KMMCErrArgument );
|
|
1158 |
|
|
1159 |
if ( !(opType & kTypeSpecial) ) // A special session has already set its command descriptor
|
|
1160 |
{
|
|
1161 |
if (blocks==1)
|
|
1162 |
opType &= ~kTypeMultiple;
|
|
1163 |
|
|
1164 |
TUint32 oldFlags = cmd.iFlags; // Store the existing command flags, as they will be reset by FillCommandDesc()
|
|
1165 |
cmd.iCommand = cmdCodes[opType];
|
|
1166 |
s.FillCommandDesc();
|
|
1167 |
cmd.iFlags = oldFlags; // ...and restore the old command flags
|
|
1168 |
}
|
|
1169 |
|
|
1170 |
// NB We need to trap KMMCErrStatus errors, because if one occurs,
|
|
1171 |
// we still need to wait to exit PRG/RCV/DATA state
|
|
1172 |
if (Command().iCommand == ECmdWriteMultipleBlock)
|
|
1173 |
{
|
|
1174 |
Command().iExecNotHandle = KMMCErrDataCRC | KMMCErrDataTimeOut;
|
|
1175 |
m.SetTraps(KMMCErrStatus | KMMCErrDataCRC | KMMCErrDataTimeOut);
|
|
1176 |
}
|
|
1177 |
else
|
|
1178 |
{
|
|
1179 |
m.SetTraps(KMMCErrStatus);
|
|
1180 |
}
|
|
1181 |
|
|
1182 |
SMF_INVOKES( ExecCommandSMST, EStIssued )
|
|
1183 |
|
|
1184 |
SMF_STATE(EStIssued)
|
|
1185 |
|
|
1186 |
// check state of card after data transfer with CMD13.
|
|
1187 |
if (s.Command().Direction() != 0)
|
|
1188 |
{
|
|
1189 |
SMF_GOTOS(EStWaitFinish)
|
|
1190 |
}
|
|
1191 |
|
|
1192 |
SMF_GOTOS(EStRWFinish);
|
|
1193 |
|
|
1194 |
SMF_STATE(EStWaitFinish)
|
|
1195 |
// if MBW fail, then recover by rewriting ALL blocks...
|
|
1196 |
// (used to recover using ACMD22, but this has been changed
|
|
1197 |
// as is difficult to test for little gain in efficiency)
|
|
1198 |
if (Command().iCommand == ECmdWriteMultipleBlock && err != 0)
|
|
1199 |
{
|
|
1200 |
if (Command().iCustomRetries++ >= (TInt) KSDMaxMBWRetries)
|
|
1201 |
{
|
|
1202 |
SMF_RETURN(err)
|
|
1203 |
}
|
|
1204 |
|
|
1205 |
m.Pop(); // remove recursive call to EStRestart
|
|
1206 |
SMF_GOTOS(EStRestart)
|
|
1207 |
}
|
|
1208 |
|
|
1209 |
// Save the status and examine it after issuing CMD13...
|
|
1210 |
// NB We don't know where in the command stack the last response is stored (e.g. there may
|
|
1211 |
// have bee a Deselect/Select issued), but we do know last response is stored in iLastStatus
|
|
1212 |
TMMC::BigEndian4Bytes(s.ResponseP(), s.iLastStatus);
|
|
1213 |
|
|
1214 |
// ...else issue CMD13 to poll for the card finishing and check for errors
|
|
1215 |
s.PushCommandStack();
|
|
1216 |
s.FillCommandDesc(ECmdSendStatus, 0);
|
|
1217 |
SMF_INVOKES(ExecCommandSMST, EStWaitFinish1)
|
|
1218 |
|
|
1219 |
SMF_STATE(EStWaitFinish1)
|
|
1220 |
|
|
1221 |
const TMMCStatus status(s.ResponseP());
|
|
1222 |
s.PopCommandStack();
|
|
1223 |
|
|
1224 |
#ifdef __WINS__
|
|
1225 |
SMF_GOTOS(EStRWFinish);
|
|
1226 |
#else
|
|
1227 |
const TMMCardStateEnum st1 = status.State();
|
|
1228 |
|
|
1229 |
if (st1 == ECardStatePrg || st1 == ECardStateRcv || st1 == ECardStateData)
|
|
1230 |
{
|
|
1231 |
SMF_INVOKES(ProgramTimerSMST, EStWaitFinish);
|
|
1232 |
}
|
|
1233 |
|
|
1234 |
if (status.Error())
|
|
1235 |
SMF_RETURN(KMMCErrStatus)
|
|
1236 |
#endif
|
|
1237 |
|
|
1238 |
// Fall through if CURRENT_STATE is not PGM or DATA
|
|
1239 |
SMF_STATE(EStRWFinish)
|
|
1240 |
|
|
1241 |
if (TMMCStatus(s.ResponseP()).Error() != 0)
|
|
1242 |
SMF_RETURN(KMMCErrStatus);
|
|
1243 |
|
|
1244 |
s.iState &= ~KMMCSessStateInProgress;
|
|
1245 |
|
|
1246 |
// skip over recursive entry or throw error and catch in CIMLockUnlockSM()
|
|
1247 |
return (s.Command().iCommand == ECmdLockUnlock) ? KMMCErrUpdPswd : KMMCErrBypass;
|
|
1248 |
|
|
1249 |
SMF_STATE(EStDone)
|
|
1250 |
|
|
1251 |
__KTRACE_OPT(KPBUS1,Kern::Printf("<SD:RWBlocksSM()"));
|
|
1252 |
|
|
1253 |
SMF_END
|
|
1254 |
}
|
|
1255 |
|
|
1256 |
EXPORT_C TMMCErr DSDStack::ModifyCardCapabilitySM()
|
|
1257 |
//
|
|
1258 |
// This function provides a chance to modify the capability of paticular cards.
|
|
1259 |
// Licensee may overide this function to modify certain card's capability as needed.
|
|
1260 |
// A state machine is needed in derived function and function of base class should be
|
|
1261 |
// called in order to act more generic behaviour.
|
|
1262 |
//
|
|
1263 |
{
|
|
1264 |
enum states
|
|
1265 |
{
|
|
1266 |
EStBegin=0,
|
|
1267 |
EStDone,
|
|
1268 |
EStEnd
|
|
1269 |
};
|
|
1270 |
|
|
1271 |
//coverity[unreachable]
|
|
1272 |
//Part of state machine design.
|
|
1273 |
SMF_BEGIN
|
|
1274 |
|
|
1275 |
SMF_INVOKES( DMMCStack::BaseModifyCardCapabilitySMST, EStDone )
|
|
1276 |
|
|
1277 |
SMF_STATE(EStDone)
|
|
1278 |
|
|
1279 |
SMF_END
|
|
1280 |
}
|
|
1281 |
|
|
1282 |
inline TMMCErr DSDStack::SwitchToHighSpeedModeSMST( TAny* aStackP )
|
|
1283 |
{ return( static_cast<DSDStack *>(aStackP)->DSDStack::SwitchToHighSpeedModeSM() ); }
|
|
1284 |
|
|
1285 |
TMMCErr DSDStack::SwitchToHighSpeedModeSM()
|
|
1286 |
{
|
|
1287 |
enum states
|
|
1288 |
{
|
|
1289 |
EStBegin=0,
|
|
1290 |
EstCheckController,
|
|
1291 |
EStSendSCRCmd,
|
|
1292 |
EStCheckSpecVer,
|
|
1293 |
EStCheckFunction,
|
|
1294 |
EStCheckFunctionSent,
|
|
1295 |
EStSwitchFunctionSent,
|
|
1296 |
EStDone,
|
|
1297 |
EStEnd
|
|
1298 |
};
|
|
1299 |
|
|
1300 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">SD:SwitchToHighSpeedModeSM "));
|
|
1301 |
|
|
1302 |
DMMCSession& s = Session();
|
|
1303 |
|
|
1304 |
SMF_BEGIN
|
|
1305 |
|
|
1306 |
SMF_STATE(EstCheckController)
|
|
1307 |
// Get the clock speed supported by the controller
|
|
1308 |
TMMCMachineInfoV4 machineInfo;
|
|
1309 |
TMMCMachineInfoV4Pckg machineInfoPckg(machineInfo);
|
|
1310 |
MachineInfo(machineInfoPckg);
|
|
1311 |
|
|
1312 |
if (machineInfo.iVersion >= TMMCMachineInfoV4::EVersion4)
|
|
1313 |
{
|
|
1314 |
if (machineInfo.iMaxClockSpeedInMhz < (KSDDTClk50MHz/1000) )
|
|
1315 |
{
|
|
1316 |
__KTRACE_OPT(KPBUS1, Kern::Printf("High speed mode not supported by controller"));
|
|
1317 |
SMF_GOTOS(EStDone);
|
|
1318 |
}
|
|
1319 |
}
|
|
1320 |
|
|
1321 |
SMF_STATE(EStSendSCRCmd)
|
|
1322 |
//
|
|
1323 |
// ACMD51 Read the SD Configuration Register
|
|
1324 |
//
|
|
1325 |
DSDSession::FillAppCommandDesc(Command(), ESDACmdSendSCR);
|
|
1326 |
s.FillCommandArgs(0, KSDSCRLength, iPSLBuf, KSDSCRLength);
|
|
1327 |
SMF_INVOKES(ExecCommandSMST, EStCheckSpecVer);
|
|
1328 |
|
|
1329 |
SMF_STATE(EStCheckSpecVer)
|
|
1330 |
//
|
|
1331 |
// Check the SD version
|
|
1332 |
//
|
|
1333 |
// 0 : version 1.0-1.01 : SDHS Is NOT Supported
|
|
1334 |
// 1 : version 1.10+ : SDHS Is Supported
|
|
1335 |
//
|
|
1336 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" SD Configuration Register received"));
|
|
1337 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" ...card_status=%x", TUint(s.iLastStatus)));
|
|
1338 |
|
|
1339 |
#ifdef _DEBUG
|
|
1340 |
for (TUint32 i = 0; i < KSDSCRLength; ++i)
|
|
1341 |
{
|
|
1342 |
__KTRACE_OPT(KPBUS1, Kern::Printf(" ...SCR_STATUS[0x%x] = %x", i, iPSLBuf[i]));
|
|
1343 |
}
|
|
1344 |
#endif
|
|
1345 |
|
|
1346 |
if(iPSLBuf[0]==2)
|
|
1347 |
{
|
|
1348 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" ...SD Spec Version 2"));
|
|
1349 |
SMF_GOTOS(EStCheckFunction);
|
|
1350 |
}
|
|
1351 |
|
|
1352 |
if(iPSLBuf[0]==1)
|
|
1353 |
{
|
|
1354 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" ...SD Spec Version 1.10"));
|
|
1355 |
SMF_GOTOS(EStCheckFunction);
|
|
1356 |
}
|
|
1357 |
|
|
1358 |
if(iPSLBuf[0]==0)
|
|
1359 |
{
|
|
1360 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" ...SD Spec Version 1.01"));
|
|
1361 |
SMF_GOTOS(EStDone);
|
|
1362 |
}
|
|
1363 |
|
|
1364 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" ...SD Spec Version > 2 !"));
|
|
1365 |
|
|
1366 |
SMF_STATE(EStCheckFunction)
|
|
1367 |
|
|
1368 |
m.SetTraps(KMMCErrResponseTimeOut | KMMCErrNotSupported);
|
|
1369 |
|
|
1370 |
//
|
|
1371 |
// SD1.1 uses CMD6 which is not defined by the MMCA
|
|
1372 |
// - fill in command details using the SD Specific command description table
|
|
1373 |
//
|
|
1374 |
|
|
1375 |
DSDSession::FillSdSpecificCommandDesc(Command(), ESDCmdSwitchFunction);
|
|
1376 |
s.FillCommandArgs(KSDCheckFunctionHighSpeed, KSDSwitchFuncLength, iPSLBuf, KSDSwitchFuncLength);
|
|
1377 |
|
|
1378 |
SMF_INVOKES(IssueCommandCheckResponseSMST,EStCheckFunctionSent)
|
|
1379 |
|
|
1380 |
SMF_STATE(EStCheckFunctionSent)
|
|
1381 |
|
|
1382 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" CheckFunctionSent %x",TUint(s.iLastStatus)));
|
|
1383 |
|
|
1384 |
m.ResetTraps();
|
|
1385 |
|
|
1386 |
if(err == KMMCErrResponseTimeOut)
|
|
1387 |
{
|
|
1388 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" ...CMD6 [Read] Response Timeout"));
|
|
1389 |
SMF_GOTOS(EStDone);
|
|
1390 |
}
|
|
1391 |
else if(err == KMMCErrNotSupported)
|
|
1392 |
{
|
|
1393 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" ...CMD6 [Read] Not Supported"));
|
|
1394 |
SMF_GOTOS(EStDone);
|
|
1395 |
}
|
|
1396 |
|
|
1397 |
#ifdef _DEBUG
|
|
1398 |
for (TUint32 i = 0; i < KSDSwitchFuncLength; ++i)
|
|
1399 |
{
|
|
1400 |
__KTRACE_OPT(KPBUS1, Kern::Printf(" ...SD Switch Func Status[0x%x] = %x", i, iPSLBuf[i]));
|
|
1401 |
}
|
|
1402 |
|
|
1403 |
m.SetTraps(KMMCErrResponseTimeOut);
|
|
1404 |
#endif
|
|
1405 |
|
|
1406 |
//
|
|
1407 |
// SD1.1 uses CMD6 which is not defined by the MMCA
|
|
1408 |
// - fill in command details using the SD Specific command description table
|
|
1409 |
//
|
|
1410 |
|
|
1411 |
DSDSession::FillSdSpecificCommandDesc(Command(), ESDCmdSwitchFunction);
|
|
1412 |
s.FillCommandArgs(KSDSwitchFunctionHighSpeed, KSDSwitchFuncLength, iPSLBuf, KSDSwitchFuncLength);
|
|
1413 |
|
|
1414 |
SMF_INVOKES(IssueCommandCheckResponseSMST,EStSwitchFunctionSent)
|
|
1415 |
|
|
1416 |
SMF_STATE(EStSwitchFunctionSent)
|
|
1417 |
|
|
1418 |
#ifdef _DEBUG
|
|
1419 |
m.ResetTraps();
|
|
1420 |
|
|
1421 |
if(err == KMMCErrResponseTimeOut)
|
|
1422 |
{
|
|
1423 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" ...CMD6 [Write] Response Timeout"));
|
|
1424 |
}
|
|
1425 |
|
|
1426 |
for (TUint32 i = 0; i < KSDSwitchFuncLength; ++i)
|
|
1427 |
{
|
|
1428 |
__KTRACE_OPT(KPBUS1, Kern::Printf(" ...SD Switch[0x%x] = %x", i, iPSLBuf[i]));
|
|
1429 |
}
|
|
1430 |
#endif
|
|
1431 |
|
|
1432 |
SMF_STATE(EStDone)
|
|
1433 |
|
|
1434 |
SMF_END
|
|
1435 |
}
|
|
1436 |
|
|
1437 |
|
|
1438 |
EXPORT_C DMMCSession* DSDStack::AllocSession(const TMMCCallBack& aCallBack) const
|
|
1439 |
/**
|
|
1440 |
* Factory function to create DMMCSession derived object. Non-generic MMC
|
|
1441 |
* controllers can override this to generate more specific objects.
|
|
1442 |
* @param aCallBack Callback function to notify the client that a session has completed
|
|
1443 |
* @return A pointer to the new session
|
|
1444 |
*/
|
|
1445 |
{
|
|
1446 |
return new DSDSession(aCallBack);
|
|
1447 |
}
|
|
1448 |
|
|
1449 |
EXPORT_C void DSDStack::Dummy1() {}
|
|
1450 |
EXPORT_C void DSDStack::Dummy2() {}
|
|
1451 |
EXPORT_C void DSDStack::Dummy3() {}
|
|
1452 |
EXPORT_C void DSDStack::Dummy4() {}
|