--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/emulator/emulatorbsp/specific/sdcard/sdcard3c/pp_sdc.cpp Tue Feb 02 01:39:10 2010 +0200
@@ -0,0 +1,1350 @@
+// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "plat_priv.h"
+#include <property.h>
+#include <variant.h>
+#include "pp_sdc.h"
+
+const TInt KDiskSectorSize=512;
+
+const TInt KTotalMDiskSize=0x100000; // 1MB (if changing this then also change CSD response)
+
+// ======== error code conversion ========
+
+GLDEF_C TInt MapLastErrorEpoc()
+//
+// map an Win32 error code to Epoc32 value
+//
+ {
+ TInt res=KErrGeneral;
+ switch (GetLastError())
+ {
+ case ERROR_SHARING_VIOLATION : res=KErrAccessDenied; break;
+ case ERROR_LOCK_VIOLATION : res=KErrLocked; break;
+ case ERROR_FILE_NOT_FOUND: res=KErrNotFound; break;
+ case ERROR_PATH_NOT_FOUND: res=KErrPathNotFound; break;
+ case ERROR_ALREADY_EXISTS:
+ case ERROR_FILE_EXISTS:
+ res=KErrAlreadyExists;
+ break;
+ case ERROR_NOT_READY: res=KErrNotReady; break;
+ case ERROR_UNRECOGNIZED_VOLUME:
+ case ERROR_NOT_DOS_DISK:
+ res=KErrUnknown;
+ break;
+ case ERROR_UNRECOGNIZED_MEDIA: res=KErrCorrupt; break;
+ case ERROR_INVALID_NAME: res=KErrBadName; break;
+ case ERROR_NO_MORE_FILES: res=KErrEof; break;
+ }
+ return(res);
+ }
+
+GLDEF_C TMMCErr MapLastErrorMmc()
+//
+// map Win32 error to a TMMCErr error.
+//
+ {
+ DWORD r=GetLastError();
+ TInt res=KErrGeneral;
+ switch (r)
+ {
+ case ERROR_SHARING_VIOLATION:
+ case ERROR_LOCK_VIOLATION:
+ res=KMMCErrLocked; // KErrLocked
+ break;
+ case ERROR_FILE_NOT_FOUND:
+ case ERROR_PATH_NOT_FOUND:
+ res=KMMCErrNotFound; // KErrNotFound
+ break;
+ case ERROR_ALREADY_EXISTS:
+ case ERROR_FILE_EXISTS:
+ res=KMMCErrAlreadyExists; // KErrAlreadyExists
+ break;
+ case ERROR_NOT_READY: res=KMMCErrNoCard; break;
+ case ERROR_UNRECOGNIZED_VOLUME:
+ case ERROR_NOT_DOS_DISK:
+ res=KMMCErrGeneral; // KErrGeneral
+ break;
+ case ERROR_UNRECOGNIZED_MEDIA:
+ case ERROR_INVALID_NAME:
+ case ERROR_NO_MORE_FILES:
+ res=KMMCErrResponseCRC; // KErrCorrupt
+ break;
+ }
+ return(res);
+ }
+
+// ======== DWinsSDStack ========
+
+DWinsSDStack::DWinsSDStack(TInt aBus, DMMCSocket* aSocket)
+: DSDStack(aBus, aSocket)
+ {
+ iAddressedCard=KBroadcastToAllCards;
+// iCMD42Failed=EFalse;
+ }
+
+
+TInt DWinsSDStack::Init()
+//
+// Allocate any resources. Only created once on kernel initialization so dont
+// worry about cleanup if it leaves.
+//
+ {
+ if((iCardArray = new TSDCardArray(this)) == NULL)
+ return KErrNoMemory;
+
+ TInt r=DMMCStack::Init();
+ if(r!=KErrNone)
+ return r;
+
+ DMediaChangeBase* pMCBase = MMCSocket()->iMediaChange;
+ static_cast<DWinsMMCMediaChange*>(pMCBase)->SetStackP(this);
+ Wins::SetMediaChangeCallBackPtr(DWinsMMCMediaChange::MediaChangeCallBack, (TAny*)pMCBase);
+
+ //
+ // Over time memory can become fragmented, and so it is not possible to
+ // allocate physically contiguous pages. Therefore, the buffers for IO
+ // are allocated at startup.
+ //
+ // block and erase sector size characteristics depend on the specific
+ // card model, and so the initial values are estimates based on a typical
+ // card. If these do not match the actual card's block size (or erase
+ // size, for SD,) then the media driver just gets a reduced or increased
+ // buffer area, and its efficiency varies accordingly.
+ //
+ // For the WINS implementation, fragmentation does not matter because
+ // DMA is not used. The memory must still be allocated here so MEDMMC is
+ // able to use it.
+ //
+ // The constant calculations could be folded, but this illustrates how the
+ // values are derived.
+ //
+
+ // MMC - values from Hitachi 16Mb card, datasheet HB288016MM1
+
+ // minor buffer must contain enough space for MBR or block
+ const TUint mmcBlkSzLog2 = 9; // READ_BLK_LEN and WRITE_BLK_LEN
+ const TUint mmcBlkSz = 1 << mmcBlkSzLog2;
+ const TInt mmcMinorBufLen = Max(KDiskSectorSize, mmcBlkSz);
+
+ const TInt KMinMMCBlocksInBuffer = 8;
+ const TInt mmcCchBufLen = KMinMMCBlocksInBuffer << mmcBlkSzLog2;
+
+ const TInt mmcTotalBufLen = mmcMinorBufLen + mmcCchBufLen;
+
+ // SDCard - values from 64Mb Panasonic RP-SD064
+
+ const TUint sdBlkSzLog2 = 9; // READ_BL_LEN and WRITE_BLK_LEN
+ const TUint sdBlkSz = 1 << sdBlkSzLog2;
+ const TInt sdMinorBufLen = Max(KDiskSectorSize, sdBlkSz);
+
+ const TUint ss = 0x1f; // SECTOR_SIZE, add 1 for sector count
+ const TInt KMinSDBlocksInBuffer = 8;
+ const TInt sdCchBufLen = Max(KMinSDBlocksInBuffer, ss + 1) << sdBlkSzLog2;
+
+ const TInt sdTotalBufLen = sdMinorBufLen + sdCchBufLen;
+
+ const TInt totalBufLen = Max(mmcTotalBufLen, sdTotalBufLen);
+
+ iMDBuf = reinterpret_cast<TUint8*>(Kern::Alloc(totalBufLen));
+ iMDBufLen = totalBufLen;
+
+ // initialize each card on the stack
+ TInt i;
+ for (i = 0; i < KTotalWinsCards; ++i)
+ {
+ TInt r = SetupSimulatedCard(i);
+ if (r != KErrNone)
+ return r;
+ }
+
+ // initialize pointers to currently present cards
+
+ // Slot zero can toggle between no card; card 0 and card 1. The current state is
+ // determined by *Wins::CurrentPBusDevicePtr() and toggled by pressing F4 when F5
+ // (door open) is held down. Because this function is only executed at startup,
+ // assume start with card zero.
+ iCardInfo[0] = iCardPool[0];
+ for (i = 1; i < KTotalWinsCardSlots; ++i)
+ {
+ iCardInfo[i]=iCardPool[i+1];
+ }
+
+ return KErrNone;
+ }
+
+void DWinsSDStack::MachineInfo(TMMCMachineInfo& aMachineInfo)
+ {
+ aMachineInfo.iTotalSockets=KTotalWinsCardSlots;
+ aMachineInfo.iTotalMediaChanges=0; // Not used at present
+ aMachineInfo.iTotalPrimarySupplies=0; // Not used at present
+
+ aMachineInfo.iSPIMode=EFalse;
+ aMachineInfo.iBaseBusNumber=0;
+
+ __ASSERT_DEBUG(aMachineInfo.iTotalSockets<=KMaxMMCardsPerStack,
+ DWinsSDStack::Panic(DWinsSDStack::EWinsMMCBadMachineInfo));
+ }
+
+void DWinsSDStack::AdjustPartialRead(
+#ifdef _DEBUG
+ const TMMCard* aCard,
+#else
+ const TMMCard* /*aCard*/,
+#endif
+ TUint32 aStart, TUint32 aEnd, TUint32* aPhysStart, TUint32* aPhysEnd) const
+ {
+#ifdef _DEBUG
+ const TUint32 blkLen = aCard->CSD().ReadBlockLength();
+ const TUint32 blkMsk = blkLen - 1;
+
+ __ASSERT_DEBUG(aCard->CSD().ReadBlPartial(), Panic(EWinsMMCAPRNotSupp));
+ __ASSERT_DEBUG(aEnd - aStart <= blkLen, Panic(EWinsMMCAPRRange));
+ __ASSERT_DEBUG((aEnd & ~blkMsk) > (aStart & ~blkMsk), Panic(EWinsMMCAPRBoundary));
+#endif
+
+ *aPhysStart = aStart & ~0x3;
+ *aPhysEnd = (aEnd + 0x3) & ~0x3;
+ }
+
+void DWinsSDStack::GetBufferInfo(TUint8** aMDBuf, TInt* aMDBufLen)
+ {
+ *aMDBuf = iMDBuf;
+ *aMDBufLen = iMDBufLen;
+ }
+
+void DWinsSDStack::Panic(TWinsMMCPanic aPanic)
+ {
+ _LIT(KPncNm,"PBUS-MMCSD-WINS");
+ Kern::PanicCurrentThread(KPncNm,aPanic);
+ }
+
+TInt DWinsSDStack::SetupSimulatedCard(TInt aCardNum)
+//
+// allocate individual card with Win32 file. Only called at bootup, so no cleanup if fails.
+//
+ {
+ TWinsCardInfo* cip = new TWinsCardInfo;
+ if (cip == 0)
+ return KErrNoMemory;
+
+ TUint8 cid[KMMCCIDLength];
+ cid[0] = 'C';
+ cid[1] = 'I';
+ cid[2] = 'D';
+ cid[3] = TUint8('0' + aCardNum);
+ TInt j;
+ for (j = 4; j < KMMCCIDLength - 1; ++j)
+ cid[j] = 'c';
+ cid[KMMCCIDLength - 1] = '#'; // '#' = 0x23, bit zero must be 1
+ cip->iCID=cid;
+
+ cip->iPWD = new TMediaPassword;
+ if (! cip->iPWD)
+ {
+ delete cip;
+ return KErrNoMemory;
+ }
+
+ // cards in slot zero are SD
+ TInt mediaAreas;
+ if (aCardNum <= 1)
+ {
+ cip->iIsSDCard = ETrue;
+ mediaAreas = 2;
+ }
+ else
+ {
+ cip->iIsSDCard = EFalse;
+ mediaAreas = 1;
+ }
+
+ cip->iState=ECardStateIdle;
+
+ for (TInt area = 0; area < mediaAreas; ++area)
+ {
+ TInt r = CreateBinFileForCard(aCardNum, area, &cip->iAreaHandles[area]);
+ if (r != KErrNone)
+ return r;
+ }
+ iCardPool[aCardNum]=cip;
+ return(KErrNone);
+ }
+
+TInt DWinsSDStack::CreateBinFileForCard(TInt aCardNum, TInt aAreaNum, HANDLE* aHandle)
+//
+// create .bin file in temp directory to contain media area of card.
+//
+ {
+ const char* emulatorPath = Property::GetString("EmulatorMediaPath");
+ if (!Emulator::CreateAllDirectories(emulatorPath))
+ return Emulator::LastError();
+
+ TBuf8<KMaxFileName> fn8(_L8(emulatorPath));
+ fn8.Append(_L8("MMCCRD"));
+ fn8.AppendNum(aCardNum);
+ fn8.Append('A'+aAreaNum);
+ fn8.Append(_L8(".BIN"));
+ fn8.Append('\0');
+
+ *aHandle = CreateFileA(
+ (LPCSTR) fn8.Ptr(), // LPCSTR lpFileName,
+ GENERIC_READ | GENERIC_WRITE, // DWORD dwDesiredAccess
+ FILE_SHARE_READ | FILE_SHARE_WRITE, // DWORD dwShareMode
+ NULL, // LPSECURITY_ATTRIBUTES lpSecurityAttributes
+ OPEN_ALWAYS, // DWORD dwCreationDisposition
+ FILE_FLAG_RANDOM_ACCESS, // DWORD dwFlagsAndAttributes
+ NULL); // HANDLE hTemplateFile
+
+ if (*aHandle == INVALID_HANDLE_VALUE)
+ return MapLastErrorEpoc();
+
+ if ( SetFilePointer(*aHandle, KTotalMDiskSize, NULL, FILE_BEGIN) == 0xffffffffu
+ || ! SetEndOfFile(*aHandle) )
+ {
+ CloseHandle(*aHandle);
+ return MapLastErrorEpoc();
+ }
+
+ return KErrNone;
+ }
+
+void DWinsSDStack::SetBusConfigDefaults(TMMCBusConfig& aConfig, TUint aClock)
+ {
+ const TUint KWinsMaxHwInterfaceClk=104000;
+ const TUint KWinsResponseTimeOut=6400;
+ const TUint KWinsDataTimeOut=40000;
+ const TUint KWinsBusyTimeOut=200000;
+
+ aConfig.iBusClock = (aClock > KWinsMaxHwInterfaceClk) ? KWinsMaxHwInterfaceClk : aClock;
+ aConfig.iResponseTimeOut=KWinsResponseTimeOut;
+ aConfig.iDataTimeOut=KWinsDataTimeOut;
+ aConfig.iBusyTimeOut=KWinsBusyTimeOut;
+ }
+
+void DWinsSDStack::InitClockOff()
+ {
+ // empty.
+ }
+
+void DWinsSDStack::ASSPReset()
+ {
+ // empty.
+ }
+
+void DWinsSDStack::ASSPDisengage()
+ {
+ // empty.
+ }
+
+void DWinsSDStack::DoPowerDown()
+ {
+ // empty.
+ }
+
+
+LOCAL_C TInt SetMediaPasswordEnvironmentVar(TInt aSocketNum,TInt aCardNum,const TDesC8& aPasswd)
+//
+// Set the password for local drive 'aLocalDrive', card number 'aCardNum' to 'aPasswd' - as an
+// environment variable. Note that the card number is only relevant where the emulated drive
+// supports card hot-swapping (i.e. F4 whilst F5 is held down).
+//
+ {
+ // Setup the appropriate environment variable string '_EPOC_LocDrv_<locDrvNum>_PWORD_<cardNum>'
+ TUint16 envVar[]=L"_EPOC_Socket_X_PWORD_Y";
+
+ envVar[13]=(TUint16)('0'+aSocketNum);
+ envVar[21]=(TUint16)('0'+aCardNum);
+
+ // Setup the new value of the environment variable
+ TUint16 envVal[100];
+ TInt len=aPasswd.Length();
+
+ // the password may be empty if a card's password is cleared
+ if (len>(100-1))
+ return(KErrArgument);
+ memcpy(&envVal[0],reinterpret_cast<const TUint16 *>(aPasswd.Ptr()),len);
+ envVal[len>>1]='\0';
+
+ // Now set the new value for the environment variable
+ if (SetEnvironmentVariable(envVar,&envVal[0]))
+ return(KErrNone);
+
+ return KErrGeneral;
+ }
+
+LOCAL_C TInt MediaPasswordEnvironmentVar(TInt aSocketNum,TInt aCardNum,TDes8& aPasswd)
+//
+// Get the password for local drive 'aLocalDrive', card number 'aCardNum' into 'aPasswd' - from
+// an environment variable. Note that the card number is only relevant where the emulated drive
+// supports card hot-swapping (i.e. F4 whilst F5 is held down).
+//
+ {
+ TUint16 envVar[]=L"_EPOC_Socket_X_PWORD_Y";
+
+ envVar[13]=(TUint16)('0'+aSocketNum);
+ envVar[21]=(TUint16)('0'+aCardNum);
+
+ TUint16 envVal[100]; // To hold the value of the retreived environment variable
+
+ DWORD len=GetEnvironmentVariable(envVar,&envVal[0],100);
+ if (len>(TUint)100)
+ return(KErrGeneral);
+ if (len)
+ {
+ // Found the requested environment variable so there is a password for this local drive / card.
+ if ((len<<1)<=KMaxMediaPassword)
+ {
+ aPasswd.FillZ(KMaxMediaPassword);
+ aPasswd.Zero();
+ aPasswd.Copy(reinterpret_cast<TUint8*>(&envVal[0]),len<<1);
+ return(KErrNone);
+ }
+ else
+ return(KErrGeneral);
+ }
+
+ return(KErrNotFound);
+ }
+
+TMMCErr DWinsSDStack::DoPowerUpSM()
+ {
+ enum states
+ {
+ EStBegin=0,
+ EStEnd
+ };
+
+ SMF_BEGIN
+
+ if(MMCSocket()->iVcc->SetState(EPsuOnCurLimit) != KErrNone)
+ return KMMCErrHardware;
+
+ for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
+ {
+ // if card has a password, it will be locked on power up
+ TInt cardNum = (i==0) ? *Wins::CurrentPBusDevicePtr() : i;
+ if ( cardNum >= 0
+ && MediaPasswordEnvironmentVar(
+ MMCSocket()->iSocketNumber, cardNum, *(iCardInfo[i]->iPWD))
+ == KErrNone)
+ {
+ iCardInfo[i]->iIsLocked = (iCardInfo[i]->iPWD->Length() > 0);
+ }
+ else
+ iCardInfo[i]->iIsLocked=EFalse;
+
+ iCardInfo[i]->iState = ECardStateIdle;
+ iCardInfo[i]->iRCA=0x0001; // Default RCA - spec 2.2, s4.2.1, 5.4
+ }
+
+ ReportPowerUp();
+
+ SMF_END
+ }
+
+TMMCErr DWinsSDStack::InitClockOnSM()
+ {
+ enum states
+ {
+ EStBegin=0,
+ EStEnd
+ };
+ SMF_BEGIN
+
+ SMF_END
+ }
+
+void DWinsSDStack::AddressCard(TInt aCardNumber)
+ {
+ iAddressedCard = aCardNumber;
+ }
+
+
+TInt DWinsSDStack::GetTargetSlotNumber(const TRCA& anRCA)
+//
+// when the controller is given a command with an embedded RCA, this function
+// works out which physical card slot it corresponds to. If no card has been
+// assigned the RCA then it returns -1.
+//
+ {
+ TInt targetIdx = -1;
+
+ for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
+ {
+ if (iCardInfo[i]->iRCA==anRCA)
+ {
+ targetIdx=i;
+ break;
+ }
+ }
+
+ return(targetIdx);
+ }
+
+TMMCErr DWinsSDStack::IssueMMCCommandSM()
+ {
+ enum states
+ {
+ EStBegin=0,
+ EStEnd
+ };
+
+ TMMCCommandDesc& cmd = Command();
+
+ // If the command contains an embedded RCA then extract it
+ TRCA tgtRCA=0;
+ TBool supRCA=EFalse;
+ if (/*cmd.iCommand == ECmdSetRelativeAddr || */cmd.iCommand == ECmdSelectCard
+ || cmd.iCommand == ECmdSendCSD || cmd.iCommand == ECmdSendCID
+ || cmd.iCommand == ECmdSendStatus || cmd.iCommand == ECmdGoInactiveState
+ || cmd.iCommand == ECmdFastIO || cmd.iCommand == ECmdAppCmd )
+ {
+ if ((cmd.iArgument >> 16) != 0)
+ {
+ supRCA=ETrue;
+ tgtRCA=TUint16(cmd.iArgument >> 16);
+ }
+ }
+
+ // if the card contains an embedded RCA, work out which slot it corresponds to.
+ // At the end of the function, this card is used to generate the R1 response.
+ // Assume that if rca is supplied it either corresponds to the selected card or
+ // broadcast mode is on. (An exception is CMD7 with arg0 to deselect all cards.)
+
+ TInt targetCard = supRCA ? GetTargetSlotNumber(tgtRCA) : iAddressedCard;
+ TBool rto = EFalse; // response timeout
+
+ // if try to access card zero has been set to holding no card via F5 / F4 then timeout.
+ if ((targetCard == 0) && *Wins::CurrentPBusDevicePtr() < 0)
+ return KMMCErrResponseTimeOut;
+
+ HANDLE winHandle;
+
+ // CMD42 is a data transfer command. That means the R1 response that it returns
+ // immediately is the state it is in on receiving the data block, and not after
+ // processing it. If the data block is invalid then LOCK_UNLOCK_FAILED will be
+ // set in the R1 response which is sent in reply to the next command.
+
+ TBool nextCMD42Failed = EFalse;
+ TBool lock_unlock_failed=EFalse;
+
+ // When the card is locked, it will only respond to basic command class (0) and
+ // lock card command class (7). An exception is CMD16. This is sent before CMD42,
+ // but is classified (MMC Spec 23.2, table 5) as belonging to classes 2 and 4.
+ // For data transfer commands, LOCK_UNLOCK_FAIL is set in response to the following
+
+ TMMCCommandEnum origCmd = cmd.iCommand;
+
+ // if targetting locked card...
+ if (targetCard != KBroadcastToAllCards && iCardInfo[targetCard]->iIsLocked)
+ {
+ // ...and not command used in init or CMD42 sequence...
+ if (!( ((cmd.iSpec.iCommandClass & (KMMCCmdClassApplication | KMMCCmdClassBasic | KMMCCmdClassLockCard)) != 0)
+ || (cmd.iCommand == ECmdSetBlockLen) || (cmd.iCommand == ECmdAppCmd) ))
+ {
+ lock_unlock_failed = ETrue;
+ cmd.iCommand = (TMMCCommandEnum) -1; // skip case processing
+ }
+ }
+
+ SMF_BEGIN
+
+ switch (cmd.iCommand)
+ {
+ case ECmdGoIdleState: // CMD0
+ if (iAddressedCard != KBroadcastToAllCards)
+ iCardInfo[iAddressedCard]->iState = ECardStateIdle;
+ else
+ {
+ for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
+ iCardInfo[i]->iState = ECardStateIdle;
+ }
+ break;
+
+ case ECmd41:
+ case ECmdSendOpCond: // CMD1
+ {
+ if (iAddressedCard != KBroadcastToAllCards)
+ iCardInfo[iAddressedCard]->iState = ECardStateReady;
+ else
+ {
+ for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
+ iCardInfo[i]->iState = ECardStateReady;
+ }
+
+ // bit31 is set to indicate cards are not still powering up
+ TUint32 r3 = KMMCWinsCardOCRValue | KMMCOCRBusy;
+ TMMC::BigEndian4Bytes(cmd.iResponse, r3);
+ }
+ break;
+
+ case ECmdAllSendCID: // CMD2
+ {
+ TInt idx;
+ if (iAddressedCard != KBroadcastToAllCards)
+ {
+ idx = iAddressedCard;
+ __ASSERT_DEBUG(
+ iCardInfo[iAddressedCard]->iState == ECardStateReady,
+ DWinsSDStack::Panic(DWinsSDStack::EStkIMCBadStateCmd2));
+ }
+ else
+ idx = FindAnyCardInStack(ECardStateReady);
+
+ if (idx == -1)
+ rto = ETrue;
+ else
+ {
+ iCardInfo[idx]->iCID.Copy(cmd.iResponse);
+ iCardInfo[idx]->iState = ECardStateIdent;
+ }
+ }
+ break;
+
+ case ECmdSetRelativeAddr: // CMD3
+ {
+ TInt idx;
+ if (iAddressedCard != KBroadcastToAllCards)
+ {
+ __ASSERT_DEBUG(
+ iCardInfo[iAddressedCard]->iState == ECardStateIdent,
+ DWinsSDStack::Panic(DWinsSDStack::EStkIMCBadStateCmd3));
+
+ if (iCardInfo[iAddressedCard]->iIsSDCard)
+ {
+ static TUint16 RCACounter = 0x1234;
+ // SD Cards publish RCAs
+ ++RCACounter;
+ iCardInfo[iAddressedCard]->iRCA = RCACounter;
+ iCardInfo[iAddressedCard]->iState = ECardStateStby;
+ TUint32 r6 = TUint32(RCACounter) << 16;
+ TMMC::BigEndian4Bytes(&cmd.iResponse[0],r6); // Ignore bits 47-40
+ }
+ else
+ {
+ iCardInfo[iAddressedCard]->iRCA = TUint16(cmd.iArgument >> 16);
+ iCardInfo[iAddressedCard]->iState=ECardStateStby;
+ }
+ }
+ else
+ {
+ // MultiMediaCards are assigned RCAs
+ idx = FindOneCardInStack(ECardStateIdent);
+ iCardInfo[iAddressedCard]->iRCA = TUint16(cmd.iArgument >> 16);
+ iCardInfo[iAddressedCard]->iState=ECardStateStby;
+ targetCard = iAddressedCard;
+ }
+ }
+ break;
+
+ case ECmd6:
+ // if ACMD6 then change bus width
+ if (cmd.iSpec.iCommandClass == KMMCCmdClassApplication)
+ {
+ switch (cmd.iArgument)
+ {
+ case 0x00:
+ iCardInfo[iAddressedCard]->iBusWidth = 1;
+ break;
+ case 0x02:
+ iCardInfo[iAddressedCard]->iBusWidth = 4;
+ break;
+ default:
+ DWinsSDStack::Panic(DWinsSDStack::EStkIMCCmd6InvalidWidth);
+ break;
+ }
+ }
+ break;
+
+ case ECmdSelectCard: // CMD7
+ {
+ // switch to broadcast mode so the currently selected and new cards
+ // receive the command simultaneously.
+
+ TInt idx = FindAnyCardInStack(ECardStateTran);
+ if (idx != -1)
+ iCardInfo[idx]->iState = ECardStateStby;
+ if ((iAddressedCard=targetCard) == KBroadcastToAllCards)
+ rto = ETrue;
+ else
+ {
+ iCardInfo[targetCard]->iState = ECardStateTran;
+ targetCard = targetCard;
+ }
+ }
+ break;
+
+ case ECmdSendStatus:
+ // R1 response so status return as for any other R1 command.
+ if (cmd.iSpec.iCommandClass == KMMCCmdClassApplication)
+ {
+ __ASSERT_DEBUG(
+ iCardInfo[targetCard]->iIsSDCard,
+ DWinsSDStack::Panic(DWinsSDStack::EStkICMACMD13NotSD));
+
+ memset(cmd.iDataMemoryP, 0, KSDStatusBlockLength);
+ if (iCardInfo[targetCard]->iBusWidth == 1)
+ cmd.iDataMemoryP[0] = 0x00 << 6;
+ else // if (iCardInfo[targetCard]->iBusWidth == 4)
+ cmd.iDataMemoryP[0] = 0x02 << 6;
+ cmd.iDataMemoryP[7] = 0x28; // PROTECTED_AREA_SIZE
+ }
+ break;
+
+ case ECmdReadSingleBlock:
+ case ECmdReadMultipleBlock:
+ {
+ winHandle=iCardInfo[targetCard]->iAreaHandles[KSDUserArea];
+
+ if ( cmd.iSpec.iUseStopTransmission && cmd.iBlockLength >= cmd.iTotalLength)
+ return( KMMCErrNotSupported );
+
+ TMMCErr err;
+ TInt pos = cmd.iArgument;
+ if (SetFilePointer(winHandle,pos,NULL,FILE_BEGIN)==0xffffffffu)
+ err=MapLastErrorMmc();
+ else
+ {
+ DWORD res;
+ TInt len = cmd.iTotalLength;
+ if (ReadFile(winHandle,(TAny*)cmd.iDataMemoryP,len,&res,NULL)==FALSE)
+ err=MapLastErrorMmc();
+ else if (res!=(DWORD)len)
+ err=KMMCErrGeneral;
+ else
+ err=KMMCErrNone;
+ }
+ if (err!=KMMCErrNone)
+ return(err);
+ break;
+ }
+
+ case ECmd22:
+ if (cmd.iSpec.iCommandClass == KMMCCmdClassApplication)
+ {
+ TMMC::BigEndian4Bytes(cmd.iResponse, iMBWOKBlocks);
+ }
+ break;
+ // ------------------------------------------------------------------
+ case ECmdWriteBlock:
+ case ECmdWriteMultipleBlock:
+ {
+ TUint32 writeLen;
+
+ // periodically fail multi-block writes to test ACMD22 error recovery
+ if (cmd.iCommand != ECmdWriteMultipleBlock)
+ writeLen = cmd.iTotalLength;
+ else
+ {
+ const TInt KMaxFailCnt = 4;
+ static TInt failCnt = 0;
+ const TInt KMaxFailBlock = 4;
+ static TInt failBlocks = 0;
+
+ failCnt = (failCnt + 1) % KMaxFailCnt;
+ if (failCnt != 0)
+ writeLen = cmd.iTotalLength;
+ else
+ {
+ failBlocks = (failBlocks + 1) % KMaxFailBlock;
+
+ // fail at least one block
+ TInt totalBlocks = cmd.iTotalLength / cmd.iBlockLength;
+ TInt blocksToFail = Min(failBlocks + 1, totalBlocks); // fail at least one block
+ iMBWOKBlocks = (totalBlocks - blocksToFail);
+ writeLen = iMBWOKBlocks * cmd.iBlockLength;
+ if (writeLen == 0)
+ return KMMCErrDataTimeOut;
+ }
+ }
+
+ HANDLE h=iCardInfo[targetCard]->iAreaHandles[KSDUserArea];
+
+ TMMCErr err;
+ TInt pos = cmd.iArgument;
+ if (SetFilePointer(h, pos, NULL, FILE_BEGIN)==0xffffffffu)
+ err = MapLastErrorMmc();
+ else
+ {
+ DWORD res;
+ if (! WriteFile(h, (LPCVOID)cmd.iDataMemoryP,writeLen,&res,NULL))
+ err=MapLastErrorMmc();
+ else if (res!=(DWORD)writeLen)
+ err=KMMCErrGeneral;
+ else
+ err=KMMCErrNone;
+ }
+
+ if (err!=KMMCErrNone)
+ return(err);
+ if (writeLen != cmd.iTotalLength)
+ return KMMCErrDataTimeOut;
+ }
+ break;
+
+ case ECmdAppCmd:
+ // targetCard == -1 when ACMD41 being sent because not yet supplied
+ if (iAddressedCard != KBroadcastToAllCards)
+ {
+ // timeout if addressed card is not SD
+ if (! iCardInfo[iAddressedCard]->iIsSDCard)
+ rto = ETrue;
+ }
+ else
+ {
+ // request sent to specific non-SD card
+ if (targetCard != -1 && ! iCardInfo[targetCard]->iIsSDCard)
+ rto = ETrue;
+ }
+ break;
+
+ case ECmdSendCSD:
+ {
+ iCardInfo[targetCard]->GetCSD(cmd.iResponse);
+ break;
+ }
+
+ // ------------------------------------------------------------------
+ case ECmdLockUnlock:
+ // in EPOC, Lock() does not actually lock the card. It just sets the
+ // password. This means that the card is still accessible to the user,
+ // but must be unlocked the next time it is powered up.
+
+ // a real card will transiently go into rcv and prg state while processing
+ // this command. When finished, it will fall back into tran state.
+ // The R1 response is sent immediately after CMD42. CIMReadWriteBlocksSM()
+ // sends CMD13 to find out whether or not LOCK_UNLOCK_FAIL was set.
+
+ // the asserts in this case protect against invalid data being sent from the
+ // media driver. A real card would fail these corrupt data blocks.
+
+ {
+ const TInt8 cmd_byte(*cmd.iDataMemoryP);
+ __ASSERT_DEBUG( // ensure not CLR_PWD && SET_PWD
+ !((cmd_byte & KMMCLockUnlockClrPwd) && (cmd_byte & KMMCLockUnlockSetPwd)),
+ DWinsSDStack::Panic(DWinsSDStack::EWinsMMCCorruptCommand) );
+
+ __ASSERT_DEBUG( // not actually lock a card while setting the password
+ ((cmd_byte & (KMMCLockUnlockLockUnlock | KMMCLockUnlockSetPwd)) != (KMMCLockUnlockLockUnlock | KMMCLockUnlockSetPwd)),
+ DWinsSDStack::Panic(DWinsSDStack::EWinsMMCLockAttempt) );
+
+ if (cmd_byte & KMMCLockUnlockErase) // ERASE (not supported)
+ return KMMCErrNotSupported;
+
+ const TInt8 pwd_len = *(cmd.iDataMemoryP + 1);
+ const TPtrC8 pwd(cmd.iDataMemoryP + 2, pwd_len);
+
+ if ((cmd_byte & KMMCLockUnlockClrPwd) != 0) // CLR_PWD == 1
+ {
+ __ASSERT_DEBUG(
+ pwd_len >= 0 && pwd_len <= KMaxMediaPassword,
+ DWinsSDStack::Panic(DWinsSDStack::EWinsMMCCorruptCommand));
+
+ if (iCardInfo[targetCard]->iIsLocked) // clear when locked
+ nextCMD42Failed = ETrue;
+ else // clear when unlocked
+ {
+ if (iCardInfo[targetCard]->iPWD->Compare(pwd) != 0) // clear when unlocked with wrong password
+ {
+ nextCMD42Failed = ETrue;
+ lock_unlock_failed = ETrue;
+ }
+ else // clear when unlocked with right password
+ {
+ // Clear from password store
+ iCardInfo[targetCard]->iPWD->Zero();
+ iCardInfo[targetCard]->iIsLocked = EFalse;
+ nextCMD42Failed = EFalse;
+
+ // Clear from environment settings
+ TInt cardNum=(targetCard==0) ? *Wins::CurrentPBusDevicePtr() : targetCard; // Can't be -1 at this stage
+ SetMediaPasswordEnvironmentVar(MMCSocket()->iSocketNumber,cardNum,*(iCardInfo[targetCard]->iPWD));
+ }
+ }
+ }
+ else if ((cmd_byte & KMMCLockUnlockSetPwd) == 0) // SET_PWD == 0: unlock
+ {
+ __ASSERT_DEBUG(
+ pwd_len >= 0 && pwd_len <= KMaxMediaPassword,
+ DWinsSDStack::Panic(DWinsSDStack::EWinsMMCCorruptCommand) );
+
+ if (! iCardInfo[targetCard]->iIsLocked) // unlock when unlocked
+ nextCMD42Failed = ETrue;
+ else
+ {
+ if (iCardInfo[targetCard]->iPWD->Compare(pwd) != 0) // unlock when locked with wrong password
+ {
+ nextCMD42Failed = ETrue;
+ lock_unlock_failed = ETrue;
+ }
+ else // unlock when locked with right password
+ {
+ iCardInfo[targetCard]->iIsLocked = EFalse;
+ nextCMD42Failed = EFalse;
+ }
+ }
+ }
+ else if ((cmd_byte & KMMCLockUnlockSetPwd) == KMMCLockUnlockSetPwd) // SET_PWD == 1
+ {
+ __ASSERT_DEBUG(
+ cmd_byte & KMMCLockUnlockSetPwd,
+ DWinsSDStack::Panic(DWinsSDStack::EWinsMMCCorruptCommand) );
+
+ // if pwd_len < iCardInfo[targetCard]->iPWD->Length() then data block must be invalid.
+ // This can be caused by bad user input rather than inaccurate formation.
+ if (!( pwd_len >= iCardInfo[targetCard]->iPWD->Length()
+ && pwd_len <= iCardInfo[targetCard]->iPWD->Length() + KMaxMediaPassword ))
+ {
+ nextCMD42Failed = ETrue;
+ }
+ else
+ {
+ const TInt old_pwd_len = iCardInfo[targetCard]->iPWD->Length();
+ TPtrC8 old_pwd(cmd.iDataMemoryP + 2, old_pwd_len);
+ TPtrC8 new_pwd(cmd.iDataMemoryP + 2 + old_pwd_len, pwd_len - old_pwd_len);
+
+ // card must not be locked and supplied current password must be correct
+ if (iCardInfo[targetCard]->iIsLocked || iCardInfo[targetCard]->iPWD->Compare(old_pwd) != 0)
+ {
+ nextCMD42Failed = ETrue;
+ lock_unlock_failed = ETrue;
+ }
+ else
+ {
+ // Set in password store
+ iCardInfo[targetCard]->iPWD->Copy(new_pwd);
+ nextCMD42Failed = EFalse;
+
+ // Set in environment settings
+ TInt cardNum=(targetCard==0) ? *Wins::CurrentPBusDevicePtr() : targetCard; // Can't be -1 at this stage
+ SetMediaPasswordEnvironmentVar(MMCSocket()->iSocketNumber,cardNum,*(iCardInfo[targetCard]->iPWD));
+ }
+ }
+ }
+ else if ((cmd_byte & KMMCLockUnlockLockUnlock) == KMMCLockUnlockLockUnlock)
+ {
+ __ASSERT_DEBUG(
+ pwd_len >= 0 && pwd_len <= KMaxMediaPassword,
+ DWinsSDStack::Panic(DWinsSDStack::EWinsMMCCorruptCommand) );
+
+ if (iCardInfo[targetCard]->iIsLocked) // lock when locked
+ nextCMD42Failed = ETrue;
+ else
+ {
+ if (iCardInfo[targetCard]->iPWD->Compare(pwd) != 0) // lock with wrong password
+ {
+ nextCMD42Failed = ETrue;
+ lock_unlock_failed = ETrue;
+ }
+ else // lock with right password
+ {
+ iCardInfo[targetCard]->iIsLocked = ETrue;
+ nextCMD42Failed = EFalse;
+ }
+ }
+ }
+ else
+ {
+ __ASSERT_DEBUG(EFalse, DWinsSDStack::Panic(DWinsSDStack::EWinsMMCLockAttempt) );
+ }
+ } // case ECmdLockUnlock
+ // ------------------------------------------------------------------
+ default:
+ break;
+ }
+
+ if (rto)
+ return(KMMCErrResponseTimeOut);
+
+ cmd.iCommand = origCmd;
+ // If this is an R1 or R1b response type command then return card status as a response
+ if ( targetCard != -1
+ && (cmd.iSpec.iResponseType==ERespTypeR1 || cmd.iSpec.iResponseType==ERespTypeR1B) )
+ {
+ TUint32 resp(
+ iCardInfo[targetCard]->iState
+ | ((iCardInfo[targetCard]->iIsLocked ? 1 : 0) << 25)
+ | ((lock_unlock_failed ? 1 : 0) << 24) );
+
+ if (iCMD42Failed) // previous CMD42
+ {
+ resp |= KMMCStatErrLockUnlock;
+ nextCMD42Failed = EFalse;
+ }
+ iCMD42Failed = nextCMD42Failed;
+ TMMC::BigEndian4Bytes(&cmd.iResponse[0],resp); // Ignore bits 47-40
+ }
+ SMF_END
+ }
+
+TMMCErr DWinsSDStack::ModifyCardCapabilitySM()
+//
+// This function provides a chance to modify the capability of paticular cards.
+// Licensee may overide this function to modify certain card's capability as needed.
+// A state machine is needed in derived function and function of base class should be
+// called in order to act more generic behaviour.
+//
+ {
+ enum states
+ {
+ EStBegin=0,
+ EStDone,
+ EStEnd
+ };
+
+ SMF_BEGIN
+
+ SMF_INVOKES( DSDStack::BaseModifyCardCapabilitySMST, EStDone )
+
+ SMF_STATE(EStDone)
+
+ SMF_END
+ }
+
+TInt DWinsSDStack::FindAnyCardInStack(TMMCardStateEnum aState)
+//
+// first first active card in supplied state. Return -1 if
+// no active card is in supplied state.
+//
+ {
+ if (iAddressedCard != KBroadcastToAllCards)
+ return (iCardInfo[iAddressedCard]->iState == aState) ? iAddressedCard : -1;
+ else
+ {
+ for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
+ {
+ if (iCardInfo[i]->iState == aState)
+ return i;
+ }
+
+ return -1;
+ }
+ }
+
+TInt DWinsSDStack::FindFirstCardInStack(TMMCardStateEnum aState)
+//
+// find card which is active on bus and in supplied state.
+// There can be more than one active card in the the supplied state,
+// but there should be at least one.
+//
+ {
+ if (iAddressedCard != KBroadcastToAllCards)
+ {
+ __ASSERT_DEBUG(iCardInfo[iAddressedCard]->iState == aState, DWinsSDStack::Panic(DWinsSDStack::EStkFFCNotSelCard));
+ return iAddressedCard;
+ }
+ else
+ {
+ TInt idx = -1;
+ for (TInt i = 0; idx != -1 && i < KTotalWinsCardSlots; ++i)
+ {
+ if (iCardInfo[i]->iState == aState)
+ idx = i;
+ }
+
+ __ASSERT_DEBUG(idx != -1, DWinsSDStack::Panic(DWinsSDStack::EStkFFCNoneSel));
+ return idx;
+ }
+ }
+
+TInt DWinsSDStack::FindOneCardInStack(TMMCardStateEnum aState)
+//
+// find card which is active on bus and in supplied state.
+// There should be exactly one active card in the supplied state.
+//
+ {
+ if (iAddressedCard != KBroadcastToAllCards)
+ {
+ __ASSERT_DEBUG(iCardInfo[iAddressedCard]->iState == aState, DWinsSDStack::Panic(DWinsSDStack::EStkFOCNotSelCard));
+ return iAddressedCard;
+ }
+ else
+ {
+ TInt idx = -1;
+ for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
+ {
+ if (iCardInfo[i]->iState == aState)
+ {
+ __ASSERT_DEBUG(idx == -1, DWinsSDStack::Panic(DWinsSDStack::EStkFOCMultiSel));
+ idx = i;
+ }
+ }
+
+ __ASSERT_DEBUG(idx != -1, DWinsSDStack::Panic(DWinsSDStack::EStkFOCNoneSel));
+ return idx;
+ }
+ }
+
+
+// ======== DWinsMMCMediaChange ========
+
+#pragma warning( disable : 4355 ) // this used in initializer list
+DWinsMMCMediaChange::DWinsMMCMediaChange(TInt aMediaChangeNum)
+ : DMMCMediaChange(aMediaChangeNum),
+ iDoorClosedCount(0),
+ iMediaChangeEnable(ETrue),
+ iStackP(NULL)
+ {
+ iMediaDoorCloseReload=2; // Units: In theory-20ms, Actual-100ms
+ }
+#pragma warning( default : 4355 )
+
+TInt DWinsMMCMediaChange::Create()
+//
+// Initialiser.
+//
+ {
+ return(DMediaChangeBase::Create());
+ }
+
+void DWinsMMCMediaChange::DoorOpenService()
+//
+// Handle the media change (this function, never postponed is called on media
+// change interrupt).
+//
+ {
+ Disable(); // Disable interrupt until door closes again.
+ iDoorOpenDfc.Enque();
+ }
+
+void DWinsMMCMediaChange::DoDoorOpen()
+//
+// Handle media door open (called on media door open interrupt).
+//
+ {
+ iDoorClosedCount=iMediaDoorCloseReload;
+ // Just start a ticklink to poll for door closing
+ iTickLink.Periodic(KMediaChangeTickInterval,DWinsMMCMediaChange::Tick,this);
+ }
+
+void DWinsMMCMediaChange::DoDoorClosed()
+//
+// Handle media door closing (called on media door open interrupt).
+//
+ {
+
+ iTickLink.Cancel(); // Doesn't matter if wasn't enabled
+ Enable(); // Re-enable door interrupts
+
+ // While the door was open the user may have changed the card in slot 0
+ if (iStackP && *Wins::CurrentPBusDevicePtr()>=0)
+ iStackP->iCardInfo[0]=iStackP->iCardPool[*Wins::CurrentPBusDevicePtr()];
+ }
+
+void DWinsMMCMediaChange::ForceMediaChange()
+//
+// Force media change
+//
+ {
+ DoorOpenService();
+ }
+
+TMediaState DWinsMMCMediaChange::MediaState()
+//
+// Return status of media changed signal.
+//
+ {
+
+ if (iDoorClosedCount>0)
+ return(EDoorOpen);
+ return( (*Wins::MediaDoorOpenPtr())?EDoorOpen:EDoorClosed);
+ }
+
+void DWinsMMCMediaChange::Tick(TAny *aPtr)
+//
+// Called on the tick to poll for door closing (called on DFC).
+//
+ {
+
+ ((DWinsMMCMediaChange*)aPtr)->TickService();
+ }
+
+void DWinsMMCMediaChange::TickService()
+//
+// Called on the tick to poll for door closing (called on DFC).
+//
+ {
+
+ __ASSERT_DEBUG(iDoorClosedCount>=0,DWinsSDStack::Panic(DWinsSDStack::EWinsMMCMediaChangeTickFault));
+ if (!(*Wins::MediaDoorOpenPtr()))
+ {
+ if (iDoorClosedCount > 0)
+ iDoorClosedCount--;
+ if (iDoorClosedCount == 0)
+ DoorClosedService();
+ }
+ else
+ iDoorClosedCount=iMediaDoorCloseReload; // Door open so start again.
+ }
+
+void DWinsMMCMediaChange::Enable()
+//
+// Enable media change
+//
+ {
+
+ iMediaChangeEnable=ETrue;
+ }
+
+void DWinsMMCMediaChange::Disable()
+//
+// Disable media change
+//
+ {
+
+ iMediaChangeEnable=EFalse;
+ }
+
+void DWinsMMCMediaChange::MediaChangeCallBack(TAny *aPtr)
+//
+// Static called on media change
+//
+ {
+
+ DWinsMMCMediaChange* mc=(DWinsMMCMediaChange*)aPtr;
+ if (mc!=NULL&&mc->iMediaChangeEnable)
+ mc->DoorOpenService();
+ }
+
+
+// ======== TWinsCardInfo ========
+
+void TWinsCardInfo::GetCSD(TUint8* aResp) const
+ {
+ // Bits 127-96
+ TUint32 csd=(0x1<<30); /* CSD_STRUCTURE: CSD Version No 1.1 */
+ csd|= (0x2<<26); /* SPEC_VERS: Version 2.1 */
+ csd|= (0x0E<<16); /* TAAC: 1mS */
+ csd|= (0x0A<<8); /* NSAC: 1000 */
+ csd|= (0x59); /* TRAN_SPEED: 5.0Mbit/s */
+ TMMC::BigEndian4Bytes(&aResp[0],csd);
+ // Bits 95-64
+ const TUint32 ccc =
+ KMMCCmdClassBasic | KMMCCmdClassBlockRead
+ | KMMCCmdClassBlockWrite | KMMCCmdClassLockCard;
+ csd= (ccc<<20); /* CCC: classes 0, 2, 4, and 7 */
+ csd|= (0x9<<16); /* READ_BL_LEN: 512 bytes */
+ csd|= (0x0<<15); /* READ_BL_PARTIAL: No */
+ csd|= (0x0<<14); /* WRITE_BLK_MISALIGN: No */
+ csd|= (0x0<<13); /* READ_BLK_MISALIGN: No */
+ csd|= (0x0<<12); /* DSR_IMP: No DSR */
+ csd|= (0x0<<8); /* C_SIZE: 1Mb */
+ csd|= (0x7F); /* C_SIZE: 1Mb (cont)*/
+ TMMC::BigEndian4Bytes(&aResp[4],csd);
+ // Bits 63-32
+ csd= (3UL<<30); /* C_SIZE: 2Mb (cont) */
+ csd|= (0x1<<27); /* VDD_R_CURR_MIN: 1mA */
+ csd|= (0x1<<24); /* VDD_R_CURR_MAX: 5mA */
+ csd|= (0x2<<21); /* VDD_W_CURR_MIN: 5mA */
+ csd|= (0x3<<18); /* VDD_W_CURR_MAX: 25mA */
+ csd|= (0x0<<15); /* C_SIZE_MULT: 0 */
+ if (! iIsSDCard)
+ {
+ csd|= (0x0<<10); /* SECTOR_SIZE: 1 write block */
+ csd|= (0x0<<5); /* ERASE_GRP_SIZE: 1 sector */
+ csd|= (0x0); /* WP_GRP_SIZE: 1 erase group */
+ }
+ else
+ {
+ csd |= (0x00 << (46 - 32)); // ERASE_BLK_EN
+ csd |= (0x1f << (39 - 32)); // SECTOR_SIZE: 32 write blocks
+ csd |= (0x00 << (32 - 32)); // WP_GRP_SIZE: 1 erase sector.
+ }
+ TMMC::BigEndian4Bytes(&aResp[8],csd);
+ // Bits 31-0
+ csd= (0x0<<31); /* WP_GRP_ENABLE: No */
+ csd|= (0x0<<29); /* DEFAULT_ECC: ? */
+ csd|= (0x3<<26); /* R2W_FACTOR: 8 */
+ csd|= (0x9<<22); /* WRITE_BL_LEN: 512 bytes */
+ csd|= (0x0<<21); /* WRITE_BL_PARTIAL: No */
+ csd|= (0x0<<15); /* FILE_FORMAT_GRP: Hard disk */
+ csd|= (0x0<<14); /* COPY: original */
+ csd|= (0x0<<13); /* PERM_WRITE_PROTECT: No */
+ csd|= (0x0<<12); /* TMP_WRITE_PROTECT: No */
+ csd|= (0x0<<10); /* FILE_FORMAT: Hard disk */
+ csd|= (0x0<<8); /* ECC: None */
+ csd|= (0x0<<1); /* CRC: ? */
+ csd|= (0x1); /* not used */
+ TMMC::BigEndian4Bytes(&aResp[12],csd);
+ }
+
+// ======== DWinsMMCPsu ========
+
+
+DWinsMMCPsu::DWinsMMCPsu(TInt aVccNum, TInt aMcId)
+ : DMMCPsu(aVccNum, aMcId)
+ {}
+
+void DWinsMMCPsu::Init()
+//
+// Initialise the PSU
+//
+ {
+ // Nothing to do
+ }
+
+void DWinsMMCPsu::DoSetState(TPBusPsuState aState)
+//
+// Turn on/off the PSU. If it is possible to adjust the output voltage on this
+// PSU then retreive the required voltage level from TMMCPsu::iVoltageSetting
+// (which is in OCR register format).
+//
+ {
+
+ switch (aState)
+ {
+ case EPsuOff:
+ break;
+ case EPsuOnFull:
+ break;
+ case EPsuOnCurLimit:
+ break;
+ }
+ }
+
+TInt DWinsMMCPsu::VoltageInMilliVolts()
+//
+// Return the level of the PSU (in mV) or -ve if error.
+//
+ {
+
+ return(0);
+ }
+
+void DWinsMMCPsu::DoCheckVoltage()
+//
+// Check the voltage level of the PSU is as expected. Returns either KErrNone, KErrGeneral
+// to indicate the pass/fail state or KErrNotReady if the voltage check isn't complete.
+//
+ {
+
+ ReceiveVoltageCheckResult(KErrNone);
+ }
+
+void DWinsMMCPsu::PsuInfo(TPBusPsuInfo &anInfo)
+//
+// Return machine info relating to the MMC PSU supply
+//
+ {
+
+ anInfo.iVoltageSupported=0x00040000; // 3.0V (OCR reg. format).
+ anInfo.iMaxCurrentInMicroAmps=0;
+ anInfo.iVoltCheckInterval=0;
+ anInfo.iVoltCheckMethod=EPsuChkComparator;
+ anInfo.iNotLockedTimeOut=0; // Not enabled
+ anInfo.iInactivityTimeOut=5; // 5 Seconds
+ }