--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/emulator/emulatorbsp/specific/mmc.cpp Tue Feb 02 01:39:10 2010 +0200
@@ -0,0 +1,1444 @@
+// 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:
+// PP_MMC.CPP
+//
+//
+
+#include "plat_priv.h"
+#include <property.h>
+#include "variant.h"
+#include "variantmediadef.h"
+#include "mmci.h"
+
+//#define __CARD0_NOT_LOCKABLE__
+//#define __CARD1_NOT_LOCKABLE__
+
+const TInt KDiskSectorSize=512;
+
+TInt DWinsMMCStack::TotalMDiskSize=0; ///< mmc card size for emulator
+TUint DWinsMMCStack::CSIZE=0; ///< mmc card size field
+TUint DWinsMMCStack::CSIZE_MULT=0; ///< mmc card size field
+
+TInt DWinsMMCStack::TotalWinsMMC_CardSlots = KDefault_TotalWinsCardSlots; ///< total number of MMC card slots for the emulator
+TInt DWinsMMCStack::TotalWinsMMC_Cards = KDefault_TotalWinsCards; ///< total number of MMC cards for the emulator
+
+
+const TUint32 KCsdStructure = 0x01; /* CSD Version No 1.1 */
+const TUint32 KCsdSpecVers = 0x03; /* Version 3.1 */
+
+TInt MapLastErrorEpoc()
+//
+// Map an NT error to an Epoc/32 error.
+//
+ {
+ 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);
+ }
+
+TMMCErr MapLastErrorMmc()
+//
+// Map an NT 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);
+ }
+
+
+void DWinsMMCStack::MachineInfo(TMMCMachineInfo& aMachineInfo)
+//
+// Return machine info relating to this MultiMediaCard Stack
+//
+ {
+ aMachineInfo.iTotalSockets=TotalWinsMMC_CardSlots;
+ aMachineInfo.iTotalMediaChanges=0; // Not used at present
+ aMachineInfo.iTotalPrimarySupplies=0; // Not used at present
+
+ aMachineInfo.iFlags = TMMCMachineInfo::ESupportsDoubleBuffering;
+ aMachineInfo.iBaseBusNumber=0;
+
+ __KTRACE_OPT(KPBUS1,Kern::Printf("<WinsMMC:MachineInfo"));
+ __KTRACE_OPT(KPBUS1,Kern::Printf(" %d stacks",aMachineInfo.iTotalSockets));
+
+ __ASSERT_DEBUG(aMachineInfo.iTotalSockets<=KMaxMMCardsPerStack,Panic(EWinsMMCBadMachineInfo));
+ }
+
+void DWinsMMCStack::AdjustPartialRead(
+ const TMMCard* aCard, TUint32 aStart,
+#ifdef _DEBUG
+ TUint32 aEnd,
+#else
+ TUint32 /*aEnd*/,
+#endif
+ TUint32* aPhysStart, TUint32* aPhysEnd) const
+ {
+ const TUint32 blkLen = 1 << aCard->MaxReadBlLen();
+ const TUint32 blkMsk = blkLen - 1;
+#ifdef _DEBUG
+ __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 & ~blkMsk;
+ *aPhysEnd = *aPhysStart + blkLen;
+ }
+
+void DWinsMMCStack::GetBufferInfo(TUint8** aMDBuf, TInt* aMDBufLen)
+ {
+ *aMDBuf = iMDBuf;
+ *aMDBufLen = iMDBufLen;
+ }
+
+void DWinsMMCStack::Panic(TWinsMMCPanic aPanic)
+ {
+ _LIT(KPncNm,"PBUS-MMC-WINS");
+ Kern::PanicCurrentThread(KPncNm,aPanic);
+ }
+
+DWinsMMCStack::DWinsMMCStack(TInt aBus, DMMCSocket* aSocket)
+ :DMMCStack(aBus, aSocket)
+ {
+
+// iAddressedCard=0;
+// iSecureArgDevAddr=0;
+// iSecureArgTotalLength=0;
+// iCMD42Failed=EFalse;
+ }
+
+
+/**
+ Allocate cards. Only called at bootup, so no cleanup if fails.
+*/
+TInt DWinsMMCStack::Init()
+ {
+
+ //-- try to read number of mmc cards and slots from epoc.ini file
+ const TInt MmcSlots = Property::GetInt("MultiMediaCardSlots");
+ const TInt MmcCards = Property::GetInt("MultiMediaCardsNum");
+
+ if(MmcSlots == 0 && MmcCards == 0)
+ {//-- parameters not specified, do nothing; static variables are initialized with default values
+ }
+ else
+ {
+ if((MmcSlots == 0 && MmcCards >0) || (MmcSlots > 0 && MmcCards ==0))
+ {//-- only one of the parameters is specified. use it as "Cards quantity"
+ TotalWinsMMC_Cards = Max(MmcSlots, MmcCards); //-- chose non zero value
+ TotalWinsMMC_CardSlots = Max(1, TotalWinsMMC_Cards-1);
+ }
+ else
+ {//-- both parameters are specified
+ TotalWinsMMC_Cards = MmcCards;
+ TotalWinsMMC_CardSlots = MmcSlots;
+ }
+
+ }//if(!MmcSlots && !MmcCards)
+
+ TotalWinsMMC_Cards = Min(TotalWinsMMC_Cards, KMax_TotalWinsCards);
+ TotalWinsMMC_CardSlots = Min(TotalWinsMMC_CardSlots, KMax_TotalWinsCardSlots);
+
+
+ if((iCardArray = new TMMCardArray(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.
+ //
+ // 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 only - 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);
+
+ // There are 2 slots each with up to 2 media drivers; we allocate 8 blocks for each driver.
+ // It is the media drivers' responsibility to devide up the buffer space according
+ // to which slot number is allocated to it (DMmcMediaDriverFlash::iCardNumber)
+ const TInt KMinMMCBlocksInBuffer = 16 * MMC0_NUMMEDIA;
+ const TInt mmcCchBufLen = KMinMMCBlocksInBuffer << mmcBlkSzLog2;
+
+ const TInt mmcTotalBufLen = mmcMinorBufLen + mmcCchBufLen;
+
+ const TInt totalBufLen = mmcTotalBufLen;
+
+ iMDBuf = reinterpret_cast<TUint8*>(Kern::Alloc(totalBufLen));
+ iMDBufLen = totalBufLen;
+
+ // setup card size parameters from epoc.ini
+ if (TotalMDiskSize==0)
+ {
+ // Static member variable TotalMDiskSize initialised to zero by default. Set
+ // up static member variables TotalMDiskSize, CSIZE and CSIZE_MULT once and
+ // once only. Use INI file setting if available. Else set to default, IMb.
+ TUint cardSize = Property::GetInt("MultiMediaCardSize");
+ if (cardSize)
+ {
+ // set values to match epoc.ini settings
+ SetupDiskParms(cardSize);
+ }
+ else
+ {
+ // set default values for 1 MB drive
+ TotalMDiskSize=0x100000;
+ CSIZE=127;
+ CSIZE_MULT=2;
+ }
+ }
+
+ // Initialise each virtual card that will be used on this stack.
+ TInt i;
+ for (i=0 ; i<TotalWinsMMC_Cards; i++)
+ {
+ if ((r=SetupSimulatedCard(i))!=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 *Kern::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 < TotalWinsMMC_CardSlots; ++i)
+ {
+ iCardInfo[i]=iCardPool[i+1];
+ }
+
+ return(KErrNone);
+ }
+
+
+TInt DWinsMMCStack::CreateBinFileForCard(TInt aCardNum,HANDLE* aHandle,TBool aCreateNew)
+//
+// 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(_L8("A.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
+ aCreateNew ? CREATE_ALWAYS : OPEN_ALWAYS, // DWORD dwCreationDisposition
+ FILE_FLAG_RANDOM_ACCESS, // DWORD dwFlagsAndAttributes
+ NULL); // HANDLE hTemplateFile
+
+ TInt fileSize=GetFileSize(*aHandle,NULL);
+ if (fileSize>TotalMDiskSize)
+ //
+ // The Drive file already exists and size of emulated drive as configured in
+ // epoc.ini has been reduced. Musn't corrupt the emulated drive so delete the
+ // drive file and start from scratch. The emulated drive contents will be
+ // erased.
+ //
+ {
+ CloseHandle(*aHandle);
+ DeleteFileA(
+ (LPCSTR) fn8.Ptr()); // LPCSTR lpFileName,
+ *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
+ aCreateNew ? CREATE_ALWAYS : OPEN_ALWAYS, // DWORD dwCreationDisposition
+ FILE_FLAG_RANDOM_ACCESS, // DWORD dwFlagsAndAttributes
+ NULL); // HANDLE hTemplateFile
+ }
+
+ if (*aHandle==INVALID_HANDLE_VALUE)
+ return(MapLastErrorEpoc());
+
+ if (SetFilePointer(*aHandle,TotalMDiskSize,NULL,FILE_BEGIN)==0xffffffffu
+ || ! SetEndOfFile(*aHandle) )
+ {
+ CloseHandle(*aHandle);
+ return(MapLastErrorEpoc());
+ }
+
+ return KErrNone;
+ }
+
+
+TInt DWinsMMCStack::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);
+ }
+
+ cip->iState=ECardStateIdle;
+
+ HANDLE h=NULL;
+ TInt err;
+ if ( (err=CreateBinFileForCard(aCardNum,&h))!=KErrNone )
+ {
+ delete cip;
+ return(err);
+ }
+ cip->iWinHandle=h;
+ iCardPool[aCardNum]=cip;
+ return(KErrNone);
+ }
+
+void DWinsMMCStack::SetBusConfigDefaults(TMMCBusConfig& aConfig, TUint aClock)
+//
+// Fills BusConfig structure with default values
+//
+ {
+ 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 DWinsMMCStack::InitClockOff()
+//
+// Switch of the identification mode clock and enable the data transfer mode
+// clock instead.
+//
+ {
+ // empty.
+ }
+
+void DWinsMMCStack::ASSPReset()
+//
+// Stop all activities on the host stack
+//
+ {
+ // empty.
+ }
+
+void DWinsMMCStack::ASSPDisengage()
+//
+// Forced release of all ASSP resources
+//
+ {
+ }
+
+void DWinsMMCStack::DoPowerDown()
+//
+// Power down the bus
+//
+ {
+ // Change the state of all virtual cards present to Idle
+ for (TInt i=0 ; i<TotalWinsMMC_CardSlots ; i++)
+ iCardInfo[i]->iState=ECardStateIdle;
+ }
+
+
+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 DWinsMMCStack::DoPowerUpSM()
+//
+// State Machine functions implemented in ASSP layer
+//
+ {
+ enum states
+ {
+ EStBegin=0,
+ EStEnd
+ };
+
+ SMF_BEGIN
+
+ __KTRACE_OPT(KPBUS1, Kern::Printf("DoPowerUpSM: BEGIN"));
+
+ if( MMCSocket()->iVcc->SetState(EPsuOnCurLimit) != KErrNone )
+ return( KMMCErrHardware );
+
+ for (TInt i=0 ; i<TotalWinsMMC_CardSlots ; i++)
+ {
+ // Attempt to retrieve a password for this card from environment settings (as long as this
+ // isn't card0 and we are simulating this is not present)
+ TInt cardNum=(i==0) ? *Wins::CurrentPBusDevicePtr() : i;
+ if (cardNum>=0 && MediaPasswordEnvironmentVar(MMCSocket()->iSocketNumber,cardNum,*(iCardInfo[i]->iPWD))==KErrNone)
+ {
+ // Card has a password so lock it automatically on power up.
+ iCardInfo[i]->iIsLocked=(iCardInfo[i]->iPWD->Length() > 0);
+ }
+ else
+ iCardInfo[i]->iIsLocked=EFalse;
+
+ iCardInfo[i]->iRCA=0x0001; // Default RCA - spec 2.2, s4.2.1, 5.4
+ }
+
+ ReportPowerUp();
+
+ SMF_END
+ }
+
+TMMCErr DWinsMMCStack::InitClockOnSM()
+//
+// Switch on the identification mode clock
+//
+ {
+ enum states
+ {
+ EStBegin=0,
+ EStEnd
+ };
+ SMF_BEGIN
+
+ SMF_END
+ }
+
+TMMCErr DWinsMMCStack::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( DMMCStack::BaseModifyCardCapabilitySMST, EStDone )
+
+ SMF_STATE(EStDone)
+
+ SMF_END
+ }
+
+TInt DWinsMMCStack::GetTargetSlotNumber(TBool anRCASupplied,const TRCA& anRCA)
+//
+// Attempt to determine the slot number of the target card. If the received command
+// contained an RCA then 'anRCASupplied' will be ETrue - in which case, 'anRCA'
+// contains the RCA in question.
+//
+ {
+ TInt selCardIdx = KBroadcastToAllCards;
+
+ // if an RCA was supplied, then work out which card slot it corresponds to
+ if (anRCASupplied)
+ {
+ for (TInt i = 0 ; i < TotalWinsMMC_CardSlots ; ++i)
+ {
+ if (iCardInfo[i]->iRCA==anRCA)
+ {
+ selCardIdx=i;
+ break;
+ }
+ }
+ }
+ // else search for currently selected card
+ else
+ {
+ for (TInt i = 0; i < TotalWinsMMC_CardSlots; ++i)
+ {
+ if (iCardInfo[i]->iState == ECardStateTran)
+ {
+ selCardIdx = i;
+ break;
+ }
+ }
+ }
+
+ return(selCardIdx);
+ }
+
+TMMCErr DWinsMMCStack::IssueMMCCommandSM()
+//
+// Top level ASSP command executor
+//
+ {
+ enum states
+ {
+ EStBegin=0,
+ EStDoubleBuffer,
+ EStCommandDone,
+ EStEnd
+ };
+
+ TMMCCommandDesc& cmd = Command();
+
+ TRCA tgtRCA=0;
+ TBool supRCA=EFalse;
+ // Record the RCA if it is embedded in the argument [31:16].
+ 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 )
+ {
+ supRCA=ETrue;
+ tgtRCA=TUint16(cmd.iArgument >> 16);
+ }
+
+ // Attempt to determine the target card using supplied RCA
+ TInt selCardIdx=GetTargetSlotNumber(supRCA,tgtRCA);
+
+ // Simulation of card swapping (i.e. F4/F5) is performed on slot 0. If this is currently
+ // set to simulate no card present and the issued command is targetted specifically at the
+ // card in slot 0 (i.e. not a broadcast command) then timeout.
+ if (selCardIdx==0 && *Wins::CurrentPBusDevicePtr() < 0)
+ return(KMMCErrResponseTimeOut);
+
+ // If an RCA was supplied but didn't coincide with the RCAs of any cards present
+ // then timeout (Ignore SET_RCA and APP_CMD as these are sent before RCAs are assigned).
+ if (supRCA && selCardIdx==KBroadcastToAllCards &&
+ cmd.iCommand != ECmdSetRelativeAddr && cmd.iCommand != ECmdAppCmd)
+ return(KMMCErrResponseTimeOut);
+
+ HANDLE winHandle=NULL;
+
+ // 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
+ const TMMCCommandEnum origCmd(cmd.iCommand);
+ if ( selCardIdx != KBroadcastToAllCards
+ && iCardInfo[selCardIdx]->iIsLocked // If locked and not in CCC 0 or 7 then skip
+ && ( ((cmd.iSpec.iCommandClass & (KMMCCmdClassBasic | KMMCCmdClassLockCard)) == 0)
+ && cmd.iCommand != ECmdSetBlockLen ) )
+ {
+ lock_unlock_failed = ETrue; // try to access locked card
+ cmd.iCommand = TMMCCommandEnum(-1); // skip command processing
+ }
+
+ SMF_BEGIN
+
+ TBool rto = EFalse; // response timeout
+ switch (cmd.iCommand)
+ {
+ case ECmdGoIdleState: // CMD0
+ {
+ for (TInt i = 0; i < TotalWinsMMC_CardSlots; ++i)
+ iCardInfo[i]->iState = ECardStateIdle;
+ }
+ break;
+
+ case ECmdSendOpCond: // CMD1
+ {
+ for (TInt i = 0; i < TotalWinsMMC_CardSlots; ++i)
+ iCardInfo[i]->iState = ECardStateReady;
+
+ // bit32 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 = FindAnyCardInStack(ECardStateReady);
+
+ if (idx == -1)
+ rto = ETrue;
+ else
+ {
+ iCardInfo[idx]->iCID.Copy(cmd.iResponse);
+ iCardInfo[idx]->iState = ECardStateIdent;
+ }
+ }
+ break;
+
+ case ECmdSetRelativeAddr: // CMD3
+ {
+ TInt idx = FindOneCardInStack(ECardStateIdent);
+ iCardInfo[idx]->iRCA = tgtRCA;
+ iCardInfo[idx]->iState=ECardStateStby;
+ selCardIdx = idx; // set R1 response at end
+ }
+ 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;
+ iCardInfo[selCardIdx]->iState = ECardStateTran;
+ }
+ break;
+
+ case ECmdSendStatus:
+ // R1 response so status return as for any other R1 command.
+ break;
+
+ case ECmdReadSingleBlock:
+ case ECmdReadMultipleBlock:
+ {
+ winHandle=iCardInfo[selCardIdx]->iWinHandle;
+
+ 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
+ {
+ iBytesToTransfer = cmd.BufferLength();
+ err = ReadWriteData(selCardIdx, cmd.iDataMemoryP, iBytesToTransfer, cmd.iSpec.iDirection);
+ if(err == KMMCErrNone)
+ {
+ Session().RequestMoreData();
+ SMF_WAITS(EStDoubleBuffer);
+ }
+ }
+ if (err!=KMMCErrNone)
+ return(err);
+ }
+ break;
+
+ // ------------------------------------------------------------------
+ case ECmdWriteBlock:
+ case ECmdWriteMultipleBlock:
+ {
+ HANDLE h = iCardInfo[selCardIdx]->iWinHandle;
+
+ TMMCErr err;
+ TInt pos = cmd.iArgument;
+ if (SetFilePointer(h, pos, NULL, FILE_BEGIN)==0xffffffffu)
+ err = MapLastErrorMmc();
+ else
+ {
+ iBytesToTransfer = cmd.BufferLength();
+ err = ReadWriteData(selCardIdx, cmd.iDataMemoryP, iBytesToTransfer, cmd.iSpec.iDirection);
+ if(err == KMMCErrNone)
+ {
+ Session().RequestMoreData();
+ SMF_WAITS(EStDoubleBuffer);
+ }
+ }
+
+ if (err!=KMMCErrNone)
+ return(err);
+ }
+ break;
+
+ case ECmdAppCmd:
+ rto = ETrue;
+ break;
+
+ case ECmdSendCSD:
+ {
+ iCardInfo[selCardIdx]->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.
+
+ {
+#ifdef __CARD0_NOT_LOCKABLE__
+ if (*Wins::CurrentPBusDevicePtr() == 0)
+ return KMMCErrNotSupported;
+#endif
+#ifdef __CARD1_NOT_LOCKABLE__
+ if (*Wins::CurrentPBusDevicePtr() == 1)
+ return KMMCErrNotSupported;
+#endif
+ const TInt8 cmd_byte(*cmd.iDataMemoryP);
+ __ASSERT_DEBUG( // ensure not CLR_PWD && SET_PWD
+ !((cmd_byte & KMMCLockUnlockClrPwd) && (cmd_byte & KMMCLockUnlockSetPwd)),
+ DWinsMMCStack::Panic(DWinsMMCStack::EWinsMMCCorruptCommand) );
+
+ __ASSERT_DEBUG( // ensure not FORCE_ERASE with CLR_PWD or SET_PWD
+ !((cmd_byte & KMMCLockUnlockErase) && (cmd_byte & (KMMCLockUnlockSetPwd | KMMCLockUnlockClrPwd))),
+ DWinsMMCStack::Panic(DWinsMMCStack::EWinsMMCCorruptCommand) );
+
+ __ASSERT_DEBUG( // not actually lock a card while setting the password
+ ((cmd_byte & (KMMCLockUnlockLockUnlock | KMMCLockUnlockSetPwd)) != (KMMCLockUnlockLockUnlock | KMMCLockUnlockSetPwd)),
+ DWinsMMCStack::Panic(DWinsMMCStack::EWinsMMCLockAttempt) );
+
+ if (cmd_byte & KMMCLockUnlockErase) // Forced Erase of a locked card
+ {
+ if (iCardInfo[selCardIdx]->iIsLocked) // Forced erase when locked
+ {
+ iCardInfo[selCardIdx]->iPWD->Zero(); // Remove the password
+ iCardInfo[selCardIdx]->iIsLocked = EFalse;
+ nextCMD42Failed = EFalse;
+
+ TInt cardNum = (selCardIdx==0) ? *Wins::CurrentPBusDevicePtr() : selCardIdx;
+ SetMediaPasswordEnvironmentVar(MMCSocket()->iSocketNumber,cardNum,*(iCardInfo[selCardIdx]->iPWD));
+
+ // Erase then entire contents of the emulated drive
+ HANDLE handle = iCardInfo[selCardIdx]->iWinHandle;
+ CloseHandle(handle);
+ iCardInfo[selCardIdx]->iWinHandle = NULL;
+ if(CreateBinFileForCard(selCardIdx, &handle, ETrue) != KErrNone)
+ return(MapLastErrorMmc());
+ iCardInfo[selCardIdx]->iWinHandle = handle;
+ }
+ else // Forced erase when unlocked (illegal)
+ {
+ nextCMD42Failed = ETrue;
+ }
+ }
+ else
+ {
+ 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,
+ DWinsMMCStack::Panic(DWinsMMCStack::EWinsMMCCorruptCommand));
+
+ if (iCardInfo[selCardIdx]->iIsLocked) // clear when locked
+ nextCMD42Failed = ETrue;
+ else // clear when unlocked
+ {
+ if (iCardInfo[selCardIdx]->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[selCardIdx]->iPWD->Zero();
+ iCardInfo[selCardIdx]->iIsLocked = EFalse;
+ nextCMD42Failed = EFalse;
+
+ // Clear from environment settings
+ TInt cardNum=(selCardIdx==0) ? *Wins::CurrentPBusDevicePtr() : selCardIdx; // Can't be -1 at this stage
+ SetMediaPasswordEnvironmentVar(MMCSocket()->iSocketNumber,cardNum,*(iCardInfo[selCardIdx]->iPWD));
+ }
+ }
+ }
+ else if ((cmd_byte & KMMCLockUnlockSetPwd) == 0) // SET_PWD == 0: unlock
+ {
+ __ASSERT_DEBUG(
+ pwd_len >= 0 && pwd_len <= KMaxMediaPassword,
+ DWinsMMCStack::Panic(DWinsMMCStack::EWinsMMCCorruptCommand) );
+
+ if (! iCardInfo[selCardIdx]->iIsLocked) // unlock when unlocked
+ nextCMD42Failed = ETrue;
+ else
+ {
+ if (iCardInfo[selCardIdx]->iPWD->Compare(pwd) != 0) // unlock when locked with wrong password
+ {
+ nextCMD42Failed = ETrue;
+ lock_unlock_failed = ETrue;
+ }
+ else // unlock when locked with right password
+ {
+ iCardInfo[selCardIdx]->iIsLocked = EFalse;
+ nextCMD42Failed = EFalse;
+ }
+ }
+ }
+ else if ((cmd_byte & KMMCLockUnlockSetPwd) == KMMCLockUnlockSetPwd) // SET_PWD == 1
+ {
+ __ASSERT_DEBUG(
+ cmd_byte & KMMCLockUnlockSetPwd,
+ DWinsMMCStack::Panic(DWinsMMCStack::EWinsMMCCorruptCommand) );
+
+ // if pwd_len < iCardInfo[selCardIdx]->iPWD->Length() then data block must be invalid.
+ // This can be caused by bad user input rather than inaccurate formation.
+ if (!( pwd_len >= iCardInfo[selCardIdx]->iPWD->Length()
+ && pwd_len <= iCardInfo[selCardIdx]->iPWD->Length() + KMaxMediaPassword ))
+ {
+ nextCMD42Failed = ETrue;
+ }
+ else
+ {
+ TUint16 env_Var[]=L"_EPOC_PWD_LEN";
+ TUint16 env_Val[2];
+ TInt r=GetEnvironmentVariable(env_Var,&env_Val[0],2);
+ r=r;//This code is added to suppress WINS warnings
+ __ASSERT_DEBUG(r!=0,Kern::PanicCurrentThread(_L("PBUS-MMC-WINS-GETENV"),0));
+ const TInt old_pwd_len=env_Val[0]-1;
+ 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[selCardIdx]->iIsLocked || iCardInfo[selCardIdx]->iPWD->Compare(old_pwd) != 0)
+ {
+ nextCMD42Failed = ETrue;
+ lock_unlock_failed = ETrue;
+ }
+ else
+ {
+ // Set in password store
+ iCardInfo[selCardIdx]->iPWD->Copy(new_pwd);
+ nextCMD42Failed = EFalse;
+
+ // Set in environment settings
+ TInt cardNum=(selCardIdx==0) ? *Wins::CurrentPBusDevicePtr() : selCardIdx; // Can't be -1 at this stage
+ SetMediaPasswordEnvironmentVar(MMCSocket()->iSocketNumber,cardNum,*(iCardInfo[selCardIdx]->iPWD));
+ }
+ }
+ }
+ else if ((cmd_byte & KMMCLockUnlockLockUnlock) == KMMCLockUnlockLockUnlock)
+ {
+ __ASSERT_DEBUG(
+ pwd_len >= 0 && pwd_len <= KMaxMediaPassword,
+ DWinsMMCStack::Panic(DWinsMMCStack::EWinsMMCCorruptCommand) );
+
+ if (iCardInfo[selCardIdx]->iIsLocked) // lock when locked
+ nextCMD42Failed = ETrue;
+ else
+ {
+ if (iCardInfo[selCardIdx]->iPWD->Compare(pwd) != 0) // lock with wrong password
+ {
+ nextCMD42Failed = ETrue;
+ lock_unlock_failed = ETrue;
+ }
+ else // lock with right password
+ {
+ iCardInfo[selCardIdx]->iIsLocked = ETrue;
+ nextCMD42Failed = EFalse;
+ }
+ }
+ }
+ else
+ {
+ __ASSERT_DEBUG(EFalse, DWinsMMCStack::Panic(DWinsMMCStack::EWinsMMCLockAttempt) );
+ }
+ }
+ } // case ECmdLockUnlock
+ break;
+
+ case ECmdSetBlockCount:
+ {
+ // Only supported in version 3.1
+ if(Session().iCardP->CSD().SpecVers() != 3)
+ {
+ return(KMMCErrNotSupported);
+ }
+ }
+ break;
+
+ // ------------------------------------------------------------------
+ default:
+ break;
+ }
+
+ if (rto)
+ {
+ return(KMMCErrResponseTimeOut);
+ }
+
+ // drop through to command done...
+
+ SMF_STATE(EStCommandDone)
+
+ cmd.iCommand = origCmd;
+ // If this is an R1 or R1b response type command then return card status as a response
+ if ( selCardIdx != KBroadcastToAllCards
+ && (cmd.iSpec.iResponseType==ERespTypeR1 || cmd.iSpec.iResponseType==ERespTypeR1B) )
+ {
+ TUint32 resp(
+ iCardInfo[selCardIdx]->iState
+ | ((iCardInfo[selCardIdx]->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_GOTOS(EStEnd);
+
+ SMF_STATE(EStDoubleBuffer)
+
+ cmd.iBytesDone += iBytesToTransfer;
+
+ if(cmd.iBytesDone < cmd.iTotalLength)
+ {
+ iBytesToTransfer = cmd.BufferLength();
+ TMMCErr err = ReadWriteData(selCardIdx, cmd.iDataMemoryP, iBytesToTransfer, cmd.iSpec.iDirection);
+ if(err == KMMCErrNone)
+ {
+ Session().RequestMoreData();
+ SMF_WAITS(EStDoubleBuffer);
+ }
+ else
+ {
+ return(err);
+ }
+ }
+ else
+ {
+ SMF_GOTOS(EStCommandDone);
+ }
+
+ SMF_END
+ }
+
+
+TMMCErr DWinsMMCStack::ReadWriteData(TInt aCardIdx, TUint8* aDataP, TUint32 aLength, TMMCCmdDirEnum aDir)
+ {
+ TMMCErr err = KMMCErrNone;
+
+ HANDLE h = iCardInfo[aCardIdx]->iWinHandle;
+
+ DWORD res;
+ TBool success;
+
+ if(aDir == EDirWrite)
+ {
+ success = WriteFile(h, (LPCVOID)aDataP, aLength, &res, NULL);
+ }
+ else
+ {
+ success = ReadFile(h, (LPVOID)aDataP, aLength, &res, NULL);
+ }
+
+ if (!success)
+ {
+ err=MapLastErrorMmc();
+ }
+ else if (res != (DWORD)aLength)
+ {
+ err=KMMCErrGeneral;
+ }
+
+ return(err);
+ }
+
+
+TInt DWinsMMCStack::FindAnyCardInStack(TMMCardStateEnum aState)
+//
+// first first active card in supplied state. Return -1 if
+// no active card is in supplied state.
+//
+ {
+ for (TInt i = 0; i < TotalWinsMMC_CardSlots; ++i)
+ {
+ if (iCardInfo[i]->iState == aState)
+ return i;
+ }
+ return -1;
+ }
+
+TInt DWinsMMCStack::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.
+//
+ {
+ TInt idx = -1;
+ for (TInt i = 0; idx != -1 && i < TotalWinsMMC_CardSlots; ++i)
+ {
+ if (iCardInfo[i]->iState == aState)
+ idx = i;
+ }
+
+ __ASSERT_DEBUG(idx != -1, DWinsMMCStack::Panic(DWinsMMCStack::EStkFFCNoneSel));
+ return idx;
+ }
+
+TInt DWinsMMCStack::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.
+//
+ {
+ TInt idx = -1;
+ for (TInt i = 0; i < TotalWinsMMC_CardSlots; ++i)
+ {
+ if (iCardInfo[i]->iState == aState)
+ {
+ __ASSERT_DEBUG(idx == -1, DWinsMMCStack::Panic(DWinsMMCStack::EStkFOCMultiSel));
+ idx = i;
+ }
+ }
+
+ __ASSERT_DEBUG(idx != -1, DWinsMMCStack::Panic(DWinsMMCStack::EStkFOCNoneSel));
+ return idx;
+ }
+
+void DWinsMMCStack::SetupDiskParms(TUint aDiskSize)
+ {
+//
+// setup parms for emulated mmc disk size
+//
+ // force a minimum of 32 KB total size
+ if (aDiskSize<32)
+ aDiskSize=32;
+ // first setup the CSD parameters
+ CSIZE_MULT = 0;
+ TUint newCSIZE = aDiskSize>>1; // with zero multiplier 1 + size parameter = size in KB / 2
+ while((newCSIZE>0xfff)&&(CSIZE_MULT<7))
+ // size parameter 12 bits, multiplier 3 bits
+ {
+ // size parameter too big and multiplier still has room to
+ // grow so increase multiplier and reduce size parameter
+ CSIZE_MULT++;
+ newCSIZE = aDiskSize>>(1+CSIZE_MULT);
+ }
+ CSIZE = newCSIZE;
+ // as CSIZE = 1 + CSIZE
+ CSIZE--;
+ // restrict to 12 bits
+ if (CSIZE>0xfff)
+ CSIZE=0xfff;
+ // now setup TotalDiskSize
+ TotalMDiskSize = 512 * (1+CSIZE) * (1<<(2+CSIZE_MULT));
+ }
+
+// ======== TWinsMMCMediaChange ========
+
+#pragma warning( disable : 4355 ) // this used in initializer list
+DWinsMMCMediaChange::DWinsMMCMediaChange(TInt aMediaChangeNum)
+//
+// Constructor
+//
+ : DMMCMediaChange(aMediaChangeNum),
+ iMediaChangeEnable(ETrue)
+ {
+
+ 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
+//
+ {
+ 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,DWinsMMCStack::Panic(DWinsMMCStack::EWinsMMCMediaChangeTickFault));
+
+ if (!(*Wins::MediaDoorOpenPtr()))
+ {
+ if (iDoorClosedCount > 0)
+ {
+ if (--iDoorClosedCount == 0)
+ {
+ iTickLink.Cancel(); // cancel door closed timer
+ 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=(KCsdStructure<<30); /* CSD_STRUCTURE */
+ csd|= (KCsdSpecVers<<26); /* SPEC_VERS */
+ 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
+ TUint32 lockBit = KMMCCmdClassLockCard;
+#ifdef __CARD0_NOT_LOCKABLE__
+ if (*Wins::CurrentPBusDevicePtr() == 0)
+ lockBit = 0;
+#endif
+#ifdef __CARD1_NOT_LOCKABLE__
+ if (*Wins::CurrentPBusDevicePtr() == 1)
+ lockBit = 0;
+#endif
+ const TUint32 ccc =
+ KMMCCmdClassBasic | KMMCCmdClassBlockRead
+ | KMMCCmdClassBlockWrite | lockBit;
+ 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|= ((DWinsMMCStack::CSIZE>>10&3)<<8); /* C_SIZE: MMCSz Kb */
+ csd|= ((DWinsMMCStack::CSIZE>>2) & 0xFF); /* C_SIZE: MMCSz Kb */
+ TMMC::BigEndian4Bytes(&aResp[4],csd);
+ // Bits 63-32
+ csd= ((DWinsMMCStack::CSIZE&3)<<30); /* C_SIZE: MMCSz Kb */
+ 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|= ((DWinsMMCStack::CSIZE_MULT&0x07)<<15); /* C_SIZE_MULT: 0 */
+ csd|= (0x0<<10); /* SECTOR_SIZE: 1 write block */
+ csd|= (0x0<<5); /* ERASE_GRP_SIZE: 1 secotr */
+ csd|= (0x0); /* WP_GRP_SIZE: 1 erase group */
+ 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);
+ }
+
+// ======== TWinsMMCPsu ========
+
+
+DWinsMMCPsu::DWinsMMCPsu(TInt aVccNum, TInt aMcId)
+//
+// Constructor.
+//
+ : DMMCPsu(aVccNum, aMcId)
+ {}
+
+TInt DWinsMMCPsu::DoCreate()
+//
+// Initialise the PSU
+//
+ {
+ // Nothing to do
+ return KErrNone;
+ }
+
+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;
+ anInfo.iInactivityTimeOut=5;
+ }
+