1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/boardsupport/emulator/emulatorbsp/specific/sdcard/sdcard4c/pp_cprm.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,1327 @@
1.4 +// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#include "plat_priv.h"
1.20 +#include <property.h>
1.21 +#include <variant.h>
1.22 +#include "pp_cprm.h"
1.23 +
1.24 +const TInt KDiskSectorSize=512;
1.25 +
1.26 +const TInt KTotalMDiskSize=0x100000; // 1MB (if changing this then also change CSD response)
1.27 +
1.28 +// ======== error code conversion ========
1.29 +
1.30 +GLDEF_C TInt MapLastErrorEpoc()
1.31 +//
1.32 +// map an Win32 error code to Epoc32 value
1.33 +//
1.34 + {
1.35 + TInt res=KErrGeneral;
1.36 + switch (GetLastError())
1.37 + {
1.38 + case ERROR_SHARING_VIOLATION : res=KErrAccessDenied; break;
1.39 + case ERROR_LOCK_VIOLATION : res=KErrLocked; break;
1.40 + case ERROR_FILE_NOT_FOUND: res=KErrNotFound; break;
1.41 + case ERROR_PATH_NOT_FOUND: res=KErrPathNotFound; break;
1.42 + case ERROR_ALREADY_EXISTS:
1.43 + case ERROR_FILE_EXISTS:
1.44 + res=KErrAlreadyExists;
1.45 + break;
1.46 + case ERROR_NOT_READY: res=KErrNotReady; break;
1.47 + case ERROR_UNRECOGNIZED_VOLUME:
1.48 + case ERROR_NOT_DOS_DISK:
1.49 + res=KErrUnknown;
1.50 + break;
1.51 + case ERROR_UNRECOGNIZED_MEDIA: res=KErrCorrupt; break;
1.52 + case ERROR_INVALID_NAME: res=KErrBadName; break;
1.53 + case ERROR_NO_MORE_FILES: res=KErrEof; break;
1.54 + }
1.55 + return(res);
1.56 + }
1.57 +
1.58 +GLDEF_C TMMCErr MapLastErrorMmc()
1.59 +//
1.60 +// map Win32 error to a TMMCErr error.
1.61 +//
1.62 + {
1.63 + DWORD r=GetLastError();
1.64 + TInt res=KErrGeneral;
1.65 + switch (r)
1.66 + {
1.67 + case ERROR_SHARING_VIOLATION:
1.68 + case ERROR_LOCK_VIOLATION:
1.69 + res=KMMCErrLocked; // KErrLocked
1.70 + break;
1.71 + case ERROR_FILE_NOT_FOUND:
1.72 + case ERROR_PATH_NOT_FOUND:
1.73 + res=KMMCErrNotFound; // KErrNotFound
1.74 + break;
1.75 + case ERROR_ALREADY_EXISTS:
1.76 + case ERROR_FILE_EXISTS:
1.77 + res=KMMCErrAlreadyExists; // KErrAlreadyExists
1.78 + break;
1.79 + case ERROR_NOT_READY: res=KMMCErrNoCard; break;
1.80 + case ERROR_UNRECOGNIZED_VOLUME:
1.81 + case ERROR_NOT_DOS_DISK:
1.82 + res=KMMCErrGeneral; // KErrGeneral
1.83 + break;
1.84 + case ERROR_UNRECOGNIZED_MEDIA:
1.85 + case ERROR_INVALID_NAME:
1.86 + case ERROR_NO_MORE_FILES:
1.87 + res=KMMCErrResponseCRC; // KErrCorrupt
1.88 + break;
1.89 + }
1.90 + return(res);
1.91 + }
1.92 +
1.93 +// ======== DWinsCPRMStack ========
1.94 +
1.95 +DWinsCPRMStack::DWinsCPRMStack(TInt aBus, DMMCSocket* aSocket)
1.96 +: DCPRMStack(aBus, aSocket)
1.97 + {
1.98 + iAddressedCard=KBroadcastToAllCards;
1.99 +// iCMD42Failed=EFalse;
1.100 + }
1.101 +
1.102 +
1.103 +TInt DWinsCPRMStack::Init()
1.104 +//
1.105 +// Allocate any resources. Only created once on kernel initialization so dont
1.106 +// worry about cleanup if it leaves.
1.107 +//
1.108 + {
1.109 + if((iCardArray = new TSDCardArray(this)) == NULL)
1.110 + return KErrNoMemory;
1.111 +
1.112 + TInt r=DCPRMStack::Init();
1.113 + if(r!=KErrNone)
1.114 + return r;
1.115 +
1.116 + DMediaChangeBase* pMCBase = MMCSocket()->iMediaChange;
1.117 + static_cast<DWinsMMCMediaChange*>(pMCBase)->SetStackP(this);
1.118 + Wins::SetMediaChangeCallBackPtr(DWinsMMCMediaChange::MediaChangeCallBack, (TAny*)pMCBase);
1.119 +
1.120 + //
1.121 + // Over time memory can become fragmented, and so it is not possible to
1.122 + // allocate physically contiguous pages. Therefore, the buffers for IO
1.123 + // are allocated at startup.
1.124 + //
1.125 + // block and erase sector size characteristics depend on the specific
1.126 + // card model, and so the initial values are estimates based on a typical
1.127 + // card. If these do not match the actual card's block size (or erase
1.128 + // size, for SD,) then the media driver just gets a reduced or increased
1.129 + // buffer area, and its efficiency varies accordingly.
1.130 + //
1.131 + // For the WINS implementation, fragmentation does not matter because
1.132 + // DMA is not used. The memory must still be allocated here so MEDMMC is
1.133 + // able to use it.
1.134 + //
1.135 + // The constant calculations could be folded, but this illustrates how the
1.136 + // values are derived.
1.137 + //
1.138 +
1.139 + // MMC - values from Hitachi 16Mb card, datasheet HB288016MM1
1.140 +
1.141 + // minor buffer must contain enough space for MBR or block
1.142 + const TUint mmcBlkSzLog2 = 9; // READ_BLK_LEN and WRITE_BLK_LEN
1.143 + const TUint mmcBlkSz = 1 << mmcBlkSzLog2;
1.144 + const TInt mmcMinorBufLen = Max(KDiskSectorSize, mmcBlkSz);
1.145 +
1.146 + const TInt KMinMMCBlocksInBuffer = 8;
1.147 + const TInt mmcCchBufLen = KMinMMCBlocksInBuffer << mmcBlkSzLog2;
1.148 +
1.149 + const TInt mmcTotalBufLen = mmcMinorBufLen + mmcCchBufLen;
1.150 +
1.151 + // SDCard - values from 64Mb Panasonic RP-SD064
1.152 +
1.153 + const TUint sdBlkSzLog2 = 9; // READ_BL_LEN and WRITE_BLK_LEN
1.154 + const TUint sdBlkSz = 1 << sdBlkSzLog2;
1.155 + const TInt sdMinorBufLen = Max(KDiskSectorSize, sdBlkSz);
1.156 +
1.157 + const TUint ss = 0x1f; // SECTOR_SIZE, add 1 for sector count
1.158 + const TInt KMinSDBlocksInBuffer = 8;
1.159 + const TInt sdCchBufLen = Max(KMinSDBlocksInBuffer, ss + 1) << sdBlkSzLog2;
1.160 +
1.161 + const TInt sdTotalBufLen = sdMinorBufLen + sdCchBufLen;
1.162 +
1.163 + const TInt totalBufLen = Max(mmcTotalBufLen, sdTotalBufLen);
1.164 +
1.165 + iMDBuf = reinterpret_cast<TUint8*>(Kern::Alloc(totalBufLen));
1.166 + iMDBufLen = totalBufLen;
1.167 +
1.168 + // initialize each card on the stack
1.169 + TInt i;
1.170 + for (i = 0; i < KTotalWinsCards; ++i)
1.171 + {
1.172 + TInt r = SetupSimulatedCard(i);
1.173 + if (r != KErrNone)
1.174 + return r;
1.175 + }
1.176 +
1.177 + // initialize pointers to currently present cards
1.178 +
1.179 + // Slot zero can toggle between no card; card 0 and card 1. The current state is
1.180 + // determined by *Wins::CurrentPBusDevicePtr() and toggled by pressing F4 when F5
1.181 + // (door open) is held down. Because this function is only executed at startup,
1.182 + // assume start with card zero.
1.183 + iCardInfo[0] = iCardPool[0];
1.184 + for (i = 1; i < KTotalWinsCardSlots; ++i)
1.185 + {
1.186 + iCardInfo[i]=iCardPool[i+1];
1.187 + }
1.188 +
1.189 + return KErrNone;
1.190 + }
1.191 +
1.192 +void DWinsCPRMStack::MachineInfo(TMMCMachineInfo& aMachineInfo)
1.193 + {
1.194 + aMachineInfo.iTotalSockets=KTotalWinsCardSlots;
1.195 + aMachineInfo.iTotalMediaChanges=0; // Not used at present
1.196 + aMachineInfo.iTotalPrimarySupplies=0; // Not used at present
1.197 +
1.198 + aMachineInfo.iSPIMode=EFalse;
1.199 + aMachineInfo.iBaseBusNumber=0;
1.200 +
1.201 + __ASSERT_DEBUG(aMachineInfo.iTotalSockets<=KMaxMMCardsPerStack,
1.202 + DWinsCPRMStack::Panic(DWinsCPRMStack::EWinsMMCBadMachineInfo));
1.203 + }
1.204 +
1.205 +void DWinsCPRMStack::AdjustPartialRead(
1.206 +#ifdef _DEBUG
1.207 + const TMMCard* aCard,
1.208 +#else
1.209 + const TMMCard* /*aCard*/,
1.210 +#endif
1.211 + TUint32 aStart, TUint32 aEnd, TUint32* aPhysStart, TUint32* aPhysEnd) const
1.212 + {
1.213 +#ifdef _DEBUG
1.214 + const TUint32 blkLen = aCard->CSD().ReadBlockLength();
1.215 + const TUint32 blkMsk = blkLen - 1;
1.216 +
1.217 + __ASSERT_DEBUG(aCard->CSD().ReadBlPartial(), Panic(EWinsMMCAPRNotSupp));
1.218 + __ASSERT_DEBUG(aEnd - aStart <= blkLen, Panic(EWinsMMCAPRRange));
1.219 + __ASSERT_DEBUG((aEnd & ~blkMsk) > (aStart & ~blkMsk), Panic(EWinsMMCAPRBoundary));
1.220 +#endif
1.221 +
1.222 + *aPhysStart = aStart & ~0x3;
1.223 + *aPhysEnd = (aEnd + 0x3) & ~0x3;
1.224 + }
1.225 +
1.226 +void DWinsCPRMStack::GetBufferInfo(TUint8** aMDBuf, TInt* aMDBufLen)
1.227 + {
1.228 + *aMDBuf = iMDBuf;
1.229 + *aMDBufLen = iMDBufLen;
1.230 + }
1.231 +
1.232 +void DWinsCPRMStack::Panic(TWinsMMCPanic aPanic)
1.233 + {
1.234 + _LIT(KPncNm,"PBUS-MMCSD-WINS");
1.235 + Kern::PanicCurrentThread(KPncNm,aPanic);
1.236 + }
1.237 +
1.238 +TInt DWinsCPRMStack::SetupSimulatedCard(TInt aCardNum)
1.239 +//
1.240 +// allocate individual card with Win32 file. Only called at bootup, so no cleanup if fails.
1.241 +//
1.242 + {
1.243 + TWinsCardInfo* cip = new TWinsCardInfo;
1.244 + if (cip == 0)
1.245 + return KErrNoMemory;
1.246 +
1.247 + TUint8 cid[KMMCCIDLength];
1.248 + cid[0] = 'C';
1.249 + cid[1] = 'I';
1.250 + cid[2] = 'D';
1.251 + cid[3] = TUint8('0' + aCardNum);
1.252 + TInt j;
1.253 + for (j = 4; j < KMMCCIDLength - 1; ++j)
1.254 + cid[j] = 'c';
1.255 + cid[KMMCCIDLength - 1] = '#'; // '#' = 0x23, bit zero must be 1
1.256 + cip->iCID=cid;
1.257 +
1.258 + cip->iPWD = new TMediaPassword;
1.259 + if (! cip->iPWD)
1.260 + {
1.261 + delete cip;
1.262 + return KErrNoMemory;
1.263 + }
1.264 +
1.265 + // cards in slot zero are SD
1.266 + TInt mediaAreas;
1.267 + if (aCardNum <= 1)
1.268 + {
1.269 + cip->iIsSDCard = ETrue;
1.270 + mediaAreas = 2;
1.271 + }
1.272 + else
1.273 + {
1.274 + cip->iIsSDCard = EFalse;
1.275 + mediaAreas = 1;
1.276 + }
1.277 +
1.278 + cip->iState=ECardStateIdle;
1.279 +
1.280 + for (TInt area = 0; area < mediaAreas; ++area)
1.281 + {
1.282 + TInt r = CreateBinFileForCard(aCardNum, area, &cip->iAreaHandles[area]);
1.283 + if (r != KErrNone)
1.284 + return r;
1.285 + }
1.286 + iCardPool[aCardNum]=cip;
1.287 + return(KErrNone);
1.288 + }
1.289 +
1.290 +TInt DWinsCPRMStack::CreateBinFileForCard(TInt aCardNum, TInt aAreaNum, HANDLE* aHandle)
1.291 +//
1.292 +// create .bin file in temp directory to contain media area of card.
1.293 +//
1.294 + {
1.295 + const char* emulatorPath = Property::GetString("EmulatorMediaPath");
1.296 + if (!Emulator::CreateAllDirectories(emulatorPath))
1.297 + return Emulator::LastError();
1.298 +
1.299 + TBuf8<KMaxFileName> fn8(_L8(emulatorPath));
1.300 + fn8.Append(_L8("MMCCRD"));
1.301 + fn8.AppendNum(aCardNum);
1.302 + fn8.Append('A'+aAreaNum);
1.303 + fn8.Append(_L8(".BIN"));
1.304 + fn8.Append('\0');
1.305 +
1.306 + *aHandle = CreateFileA(
1.307 + (LPCSTR) fn8.Ptr(), // LPCSTR lpFileName,
1.308 + GENERIC_READ | GENERIC_WRITE, // DWORD dwDesiredAccess
1.309 + FILE_SHARE_READ | FILE_SHARE_WRITE, // DWORD dwShareMode
1.310 + NULL, // LPSECURITY_ATTRIBUTES lpSecurityAttributes
1.311 + OPEN_ALWAYS, // DWORD dwCreationDisposition
1.312 + FILE_FLAG_RANDOM_ACCESS, // DWORD dwFlagsAndAttributes
1.313 + NULL); // HANDLE hTemplateFile
1.314 +
1.315 + if (*aHandle == INVALID_HANDLE_VALUE)
1.316 + return MapLastErrorEpoc();
1.317 +
1.318 + if ( SetFilePointer(*aHandle, KTotalMDiskSize, NULL, FILE_BEGIN) == 0xffffffffu
1.319 + || ! SetEndOfFile(*aHandle) )
1.320 + {
1.321 + CloseHandle(*aHandle);
1.322 + return MapLastErrorEpoc();
1.323 + }
1.324 +
1.325 + return KErrNone;
1.326 + }
1.327 +
1.328 +void DWinsCPRMStack::SetBusConfigDefaults(TMMCBusConfig& aConfig, TUint aClock)
1.329 + {
1.330 + const TUint KWinsMaxHwInterfaceClk=104000;
1.331 + const TUint KWinsResponseTimeOut=6400;
1.332 + const TUint KWinsDataTimeOut=40000;
1.333 + const TUint KWinsBusyTimeOut=200000;
1.334 +
1.335 + aConfig.iBusClock = (aClock > KWinsMaxHwInterfaceClk) ? KWinsMaxHwInterfaceClk : aClock;
1.336 + aConfig.iResponseTimeOut=KWinsResponseTimeOut;
1.337 + aConfig.iDataTimeOut=KWinsDataTimeOut;
1.338 + aConfig.iBusyTimeOut=KWinsBusyTimeOut;
1.339 + }
1.340 +
1.341 +void DWinsCPRMStack::InitClockOff()
1.342 + {
1.343 + // empty.
1.344 + }
1.345 +
1.346 +void DWinsCPRMStack::ASSPReset()
1.347 + {
1.348 + // empty.
1.349 + }
1.350 +
1.351 +void DWinsCPRMStack::ASSPDisengage()
1.352 + {
1.353 + // empty.
1.354 + }
1.355 +
1.356 +void DWinsCPRMStack::DoPowerDown()
1.357 + {
1.358 + // empty.
1.359 + }
1.360 +
1.361 +LOCAL_C TInt SetMediaPasswordEnvironmentVar(TInt aSocketNum,TInt aCardNum,const TDesC8& aPasswd)
1.362 +//
1.363 +// Set the password for local drive 'aLocalDrive', card number 'aCardNum' to 'aPasswd' - as an
1.364 +// environment variable. Note that the card number is only relevant where the emulated drive
1.365 +// supports card hot-swapping (i.e. F4 whilst F5 is held down).
1.366 +//
1.367 + {
1.368 + // Setup the appropriate environment variable string '_EPOC_LocDrv_<locDrvNum>_PWORD_<cardNum>'
1.369 + TUint16 envVar[]=L"_EPOC_Socket_X_PWORD_Y";
1.370 +
1.371 + envVar[13]=(TUint16)('0'+aSocketNum);
1.372 + envVar[21]=(TUint16)('0'+aCardNum);
1.373 +
1.374 + // Setup the new value of the environment variable
1.375 + TUint16 envVal[100];
1.376 + TInt len=aPasswd.Length();
1.377 +
1.378 + // the password may be empty if a card's password is cleared
1.379 + if (len>(100-1))
1.380 + return(KErrArgument);
1.381 + memcpy(&envVal[0],reinterpret_cast<const TUint16 *>(aPasswd.Ptr()),len);
1.382 + envVal[len>>1]='\0';
1.383 +
1.384 + // Now set the new value for the environment variable
1.385 + if (SetEnvironmentVariable(envVar,&envVal[0]))
1.386 + return(KErrNone);
1.387 +
1.388 + return KErrGeneral;
1.389 + }
1.390 +
1.391 +LOCAL_C TInt MediaPasswordEnvironmentVar(TInt aSocketNum,TInt aCardNum,TDes8& aPasswd)
1.392 +//
1.393 +// Get the password for local drive 'aLocalDrive', card number 'aCardNum' into 'aPasswd' - from
1.394 +// an environment variable. Note that the card number is only relevant where the emulated drive
1.395 +// supports card hot-swapping (i.e. F4 whilst F5 is held down).
1.396 +//
1.397 + {
1.398 + TUint16 envVar[]=L"_EPOC_Socket_X_PWORD_Y";
1.399 +
1.400 + envVar[13]=(TUint16)('0'+aSocketNum);
1.401 + envVar[21]=(TUint16)('0'+aCardNum);
1.402 +
1.403 + TUint16 envVal[100]; // To hold the value of the retreived environment variable
1.404 +
1.405 + DWORD len=GetEnvironmentVariable(envVar,&envVal[0],100);
1.406 + if (len>(TUint)100)
1.407 + return(KErrGeneral);
1.408 + if (len)
1.409 + {
1.410 + // Found the requested environment variable so there is a password for this local drive / card.
1.411 + if ((len<<1)<=KMaxMediaPassword)
1.412 + {
1.413 + aPasswd.FillZ(KMaxMediaPassword);
1.414 + aPasswd.Zero();
1.415 + aPasswd.Copy(reinterpret_cast<TUint8*>(&envVal[0]),len<<1);
1.416 + return(KErrNone);
1.417 + }
1.418 + else
1.419 + return(KErrGeneral);
1.420 + }
1.421 +
1.422 + return(KErrNotFound);
1.423 + }
1.424 +
1.425 +TMMCErr DWinsCPRMStack::DoPowerUpSM()
1.426 + {
1.427 + enum states
1.428 + {
1.429 + EStBegin=0,
1.430 + EStEnd
1.431 + };
1.432 +
1.433 + SMF_BEGIN
1.434 +
1.435 + if(MMCSocket()->iVcc->SetState(EPsuOnCurLimit) != KErrNone)
1.436 + return KMMCErrHardware;
1.437 +
1.438 + for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
1.439 + {
1.440 + // if card has a password, it will be locked on power up
1.441 + TInt cardNum = (i==0) ? *Wins::CurrentPBusDevicePtr() : i + 1;
1.442 + if ( cardNum >= 0
1.443 + && MediaPasswordEnvironmentVar(
1.444 + MMCSocket()->iSocketNumber, cardNum, *(iCardInfo[i]->iPWD))
1.445 + == KErrNone)
1.446 + {
1.447 + iCardInfo[i]->iIsLocked = (iCardInfo[i]->iPWD->Length() > 0);
1.448 + }
1.449 + else
1.450 + iCardInfo[i]->iIsLocked=EFalse;
1.451 +
1.452 + iCardInfo[i]->iState = ECardStateIdle;
1.453 + iCardInfo[i]->iRCA=0x0001; // Default RCA - spec 2.2, s4.2.1, 5.4
1.454 + }
1.455 +
1.456 + ReportPowerUp();
1.457 +
1.458 + SMF_END
1.459 + }
1.460 +
1.461 +TMMCErr DWinsCPRMStack::InitClockOnSM()
1.462 + {
1.463 + enum states
1.464 + {
1.465 + EStBegin=0,
1.466 + EStEnd
1.467 + };
1.468 + SMF_BEGIN
1.469 +
1.470 + SMF_END
1.471 + }
1.472 +
1.473 +void DWinsCPRMStack::AddressCard(TInt aCardNumber)
1.474 + {
1.475 + iAddressedCard = aCardNumber;
1.476 + }
1.477 +
1.478 +
1.479 +TInt DWinsCPRMStack::GetTargetSlotNumber(const TRCA& anRCA)
1.480 +//
1.481 +// when the controller is given a command with an embedded RCA, this function
1.482 +// works out which physical card slot it corresponds to. If no card has been
1.483 +// assigned the RCA then it returns -1.
1.484 +//
1.485 + {
1.486 + TInt targetIdx = -1;
1.487 +
1.488 + for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
1.489 + {
1.490 + if (iCardInfo[i]->iRCA==anRCA)
1.491 + {
1.492 + targetIdx=i;
1.493 + break;
1.494 + }
1.495 + }
1.496 +
1.497 + return(targetIdx);
1.498 + }
1.499 +
1.500 +TMMCErr DWinsCPRMStack::IssueMMCCommandSM()
1.501 + {
1.502 + enum states
1.503 + {
1.504 + EStBegin=0,
1.505 + EStEnd
1.506 + };
1.507 +
1.508 + TMMCCommandDesc& cmd = Command();
1.509 +
1.510 + // If the command contains an embedded RCA then extract it
1.511 + TRCA tgtRCA=0;
1.512 + TBool supRCA=EFalse;
1.513 + if (/*cmd.iCommand == ECmdSetRelativeAddr || */cmd.iCommand == ECmdSelectCard
1.514 + || cmd.iCommand == ECmdSendCSD || cmd.iCommand == ECmdSendCID
1.515 + || cmd.iCommand == ECmdSendStatus || cmd.iCommand == ECmdGoInactiveState
1.516 + || cmd.iCommand == ECmdFastIO || cmd.iCommand == ECmdAppCmd )
1.517 + {
1.518 + if ((cmd.iArgument >> 16) != 0)
1.519 + {
1.520 + supRCA=ETrue;
1.521 + tgtRCA=TUint16(cmd.iArgument >> 16);
1.522 + }
1.523 + }
1.524 +
1.525 + // if the card contains an embedded RCA, work out which slot it corresponds to.
1.526 + // At the end of the function, this card is used to generate the R1 response.
1.527 + // Assume that if rca is supplied it either corresponds to the selected card or
1.528 + // broadcast mode is on. (An exception is CMD7 with arg0 to deselect all cards.)
1.529 +
1.530 + TInt targetCard = supRCA ? GetTargetSlotNumber(tgtRCA) : iAddressedCard;
1.531 + TBool rto = EFalse; // response timeout
1.532 +
1.533 + // if try to access card zero has been set to holding no card via F5 / F4 then timeout.
1.534 + if ((targetCard == 0) && *Wins::CurrentPBusDevicePtr() < 0)
1.535 + return KMMCErrResponseTimeOut;
1.536 +
1.537 + HANDLE winHandle;
1.538 +
1.539 + // CMD42 is a data transfer command. That means the R1 response that it returns
1.540 + // immediately is the state it is in on receiving the data block, and not after
1.541 + // processing it. If the data block is invalid then LOCK_UNLOCK_FAILED will be
1.542 + // set in the R1 response which is sent in reply to the next command.
1.543 +
1.544 + TBool nextCMD42Failed = EFalse;
1.545 + TBool lock_unlock_failed=EFalse;
1.546 +
1.547 + // When the card is locked, it will only respond to basic command class (0) and
1.548 + // lock card command class (7). An exception is CMD16. This is sent before CMD42,
1.549 + // but is classified (MMC Spec 23.2, table 5) as belonging to classes 2 and 4.
1.550 + // For data transfer commands, LOCK_UNLOCK_FAIL is set in response to the following
1.551 +
1.552 + TMMCCommandEnum origCmd = cmd.iCommand;
1.553 +
1.554 + // if targetting locked card...
1.555 + if (targetCard != KBroadcastToAllCards && iCardInfo[targetCard]->iIsLocked)
1.556 + {
1.557 + // ...and not command used in init or CMD42 sequence...
1.558 + if (!( ((cmd.iSpec.iCommandClass & (KMMCCmdClassApplication | KMMCCmdClassBasic | KMMCCmdClassLockCard)) != 0)
1.559 + || (cmd.iCommand == ECmdSetBlockLen) || (cmd.iCommand == ECmdAppCmd) ))
1.560 + {
1.561 + lock_unlock_failed = ETrue;
1.562 + cmd.iCommand = (TMMCCommandEnum) -1; // skip case processing
1.563 + }
1.564 + }
1.565 +
1.566 + SMF_BEGIN
1.567 +
1.568 + switch (cmd.iCommand)
1.569 + {
1.570 + case ECmdGoIdleState: // CMD0
1.571 + if (iAddressedCard != KBroadcastToAllCards)
1.572 + iCardInfo[iAddressedCard]->iState = ECardStateIdle;
1.573 + else
1.574 + {
1.575 + for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
1.576 + iCardInfo[i]->iState = ECardStateIdle;
1.577 + }
1.578 + break;
1.579 +
1.580 + case ECmd41:
1.581 + case ECmdSendOpCond: // CMD1
1.582 + {
1.583 + if (iAddressedCard != KBroadcastToAllCards)
1.584 + iCardInfo[iAddressedCard]->iState = ECardStateReady;
1.585 + else
1.586 + {
1.587 + for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
1.588 + iCardInfo[i]->iState = ECardStateReady;
1.589 + }
1.590 +
1.591 + // bit31 is set to indicate cards are not still powering up
1.592 + TUint32 r3 = KMMCWinsCardOCRValue | KMMCOCRBusy;
1.593 + TMMC::BigEndian4Bytes(cmd.iResponse, r3);
1.594 + }
1.595 + break;
1.596 +
1.597 + case ECmdAllSendCID: // CMD2
1.598 + {
1.599 + TInt idx;
1.600 + if (iAddressedCard != KBroadcastToAllCards)
1.601 + {
1.602 + idx = iAddressedCard;
1.603 + __ASSERT_DEBUG(
1.604 + iCardInfo[iAddressedCard]->iState == ECardStateReady,
1.605 + DWinsCPRMStack::Panic(DWinsCPRMStack::EStkIMCBadStateCmd2));
1.606 + }
1.607 + else
1.608 + idx = FindAnyCardInStack(ECardStateReady);
1.609 +
1.610 + if (idx == -1)
1.611 + rto = ETrue;
1.612 + else
1.613 + {
1.614 + iCardInfo[idx]->iCID.Copy(cmd.iResponse);
1.615 + iCardInfo[idx]->iState = ECardStateIdent;
1.616 + }
1.617 + }
1.618 + break;
1.619 +
1.620 + case ECmdSetRelativeAddr: // CMD3
1.621 + {
1.622 + TInt idx;
1.623 + if (iAddressedCard != KBroadcastToAllCards)
1.624 + {
1.625 + __ASSERT_DEBUG(
1.626 + iCardInfo[iAddressedCard]->iState == ECardStateIdent,
1.627 + DWinsCPRMStack::Panic(DWinsCPRMStack::EStkIMCBadStateCmd3));
1.628 +
1.629 + if (iCardInfo[iAddressedCard]->iIsSDCard)
1.630 + {
1.631 + static TUint16 RCACounter = 0x1234;
1.632 + // SD Cards publish RCAs
1.633 + ++RCACounter;
1.634 + iCardInfo[iAddressedCard]->iRCA = RCACounter;
1.635 + iCardInfo[iAddressedCard]->iState = ECardStateStby;
1.636 + TUint32 r6 = TUint32(RCACounter) << 16;
1.637 + TMMC::BigEndian4Bytes(&cmd.iResponse[0],r6); // Ignore bits 47-40
1.638 + }
1.639 + else
1.640 + {
1.641 + iCardInfo[iAddressedCard]->iRCA = TUint16(cmd.iArgument >> 16);
1.642 + iCardInfo[iAddressedCard]->iState=ECardStateStby;
1.643 + }
1.644 + }
1.645 + else
1.646 + {
1.647 + // MultiMediaCards are assigned RCAs
1.648 + idx = FindOneCardInStack(ECardStateIdent);
1.649 + iCardInfo[iAddressedCard]->iRCA = TUint16(cmd.iArgument >> 16);
1.650 + iCardInfo[iAddressedCard]->iState=ECardStateStby;
1.651 + targetCard = iAddressedCard;
1.652 + }
1.653 + }
1.654 + break;
1.655 +
1.656 + case ECmd6:
1.657 + // if ACMD6 then change bus width
1.658 + if (cmd.iSpec.iCommandClass == KMMCCmdClassApplication)
1.659 + {
1.660 + switch (cmd.iArgument)
1.661 + {
1.662 + case 0x00:
1.663 + iCardInfo[iAddressedCard]->iBusWidth = 1;
1.664 + break;
1.665 + case 0x02:
1.666 + iCardInfo[iAddressedCard]->iBusWidth = 4;
1.667 + break;
1.668 + default:
1.669 + DWinsCPRMStack::Panic(DWinsCPRMStack::EStkIMCCmd6InvalidWidth);
1.670 + break;
1.671 + }
1.672 + }
1.673 + break;
1.674 +
1.675 + case ECmdSelectCard: // CMD7
1.676 + {
1.677 + // switch to broadcast mode so the currently selected and new cards
1.678 + // receive the command simultaneously.
1.679 +
1.680 + TInt idx = FindAnyCardInStack(ECardStateTran);
1.681 + if (idx != -1)
1.682 + iCardInfo[idx]->iState = ECardStateStby;
1.683 + if ((iAddressedCard=targetCard) == KBroadcastToAllCards)
1.684 + rto = ETrue;
1.685 + else
1.686 + {
1.687 + iCardInfo[targetCard]->iState = ECardStateTran;
1.688 + targetCard = targetCard;
1.689 + }
1.690 + }
1.691 + break;
1.692 +
1.693 + case ECmdSendStatus:
1.694 + // R1 response so status return as for any other R1 command.
1.695 + if (cmd.iSpec.iCommandClass == KMMCCmdClassApplication)
1.696 + {
1.697 + __ASSERT_DEBUG(
1.698 + iCardInfo[targetCard]->iIsSDCard,
1.699 + DWinsCPRMStack::Panic(DWinsCPRMStack::EStkICMACMD13NotSD));
1.700 +
1.701 + memset(cmd.iDataMemoryP, 0, KSDStatusBlockLength);
1.702 + if (iCardInfo[targetCard]->iBusWidth == 1)
1.703 + cmd.iDataMemoryP[0] = 0x00 << 6;
1.704 + else // if (iCardInfo[targetCard]->iBusWidth == 4)
1.705 + cmd.iDataMemoryP[0] = 0x02 << 6;
1.706 + cmd.iDataMemoryP[7] = 0x28; // PROTECTED_AREA_SIZE
1.707 + }
1.708 + break;
1.709 +
1.710 + case ECmdReadSingleBlock:
1.711 + case ECmdReadMultipleBlock:
1.712 + {
1.713 + winHandle=iCardInfo[targetCard]->iAreaHandles[KSDUserArea];
1.714 +
1.715 + if ( cmd.iSpec.iUseStopTransmission && cmd.iBlockLength >= cmd.iTotalLength)
1.716 + return( KMMCErrNotSupported );
1.717 +
1.718 + TMMCErr err;
1.719 + TInt pos = cmd.iArgument;
1.720 + if (SetFilePointer(winHandle,pos,NULL,FILE_BEGIN)==0xffffffffu)
1.721 + err=MapLastErrorMmc();
1.722 + else
1.723 + {
1.724 + DWORD res;
1.725 + TInt len = cmd.iTotalLength;
1.726 + if (ReadFile(winHandle,(TAny*)cmd.iDataMemoryP,len,&res,NULL)==FALSE)
1.727 + err=MapLastErrorMmc();
1.728 + else if (res!=(DWORD)len)
1.729 + err=KMMCErrGeneral;
1.730 + else
1.731 + err=KMMCErrNone;
1.732 + }
1.733 + if (err!=KMMCErrNone)
1.734 + return(err);
1.735 + break;
1.736 + }
1.737 +
1.738 + case ECmd22:
1.739 + if (cmd.iSpec.iCommandClass == KMMCCmdClassApplication)
1.740 + {
1.741 + TMMC::BigEndian4Bytes(cmd.iResponse, iMBWOKBlocks);
1.742 + }
1.743 + break;
1.744 + // ------------------------------------------------------------------
1.745 + case ECmdWriteBlock:
1.746 + case ECmdWriteMultipleBlock:
1.747 + {
1.748 + TUint32 writeLen;
1.749 +
1.750 + // periodically fail multi-block writes to test ACMD22 error recovery
1.751 + if (cmd.iCommand != ECmdWriteMultipleBlock)
1.752 + writeLen = cmd.iTotalLength;
1.753 + else
1.754 + {
1.755 + const TInt KMaxFailCnt = 4;
1.756 + static TInt failCnt = 0;
1.757 + const TInt KMaxFailBlock = 4;
1.758 + static TInt failBlocks = 0;
1.759 +
1.760 + failCnt = (failCnt + 1) % KMaxFailCnt;
1.761 + if (failCnt != 0)
1.762 + writeLen = cmd.iTotalLength;
1.763 + else
1.764 + {
1.765 + failBlocks = (failBlocks + 1) % KMaxFailBlock;
1.766 +
1.767 + // fail at least one block
1.768 + TInt totalBlocks = cmd.iTotalLength / cmd.iBlockLength;
1.769 + TInt blocksToFail = Min(failBlocks + 1, totalBlocks); // fail at least one block
1.770 + iMBWOKBlocks = (totalBlocks - blocksToFail);
1.771 + writeLen = iMBWOKBlocks * cmd.iBlockLength;
1.772 + if (writeLen == 0)
1.773 + return KMMCErrDataTimeOut;
1.774 + }
1.775 + }
1.776 +
1.777 + HANDLE h=iCardInfo[targetCard]->iAreaHandles[KSDUserArea];
1.778 +
1.779 + TMMCErr err;
1.780 + TInt pos = cmd.iArgument;
1.781 + if (SetFilePointer(h, pos, NULL, FILE_BEGIN)==0xffffffffu)
1.782 + err = MapLastErrorMmc();
1.783 + else
1.784 + {
1.785 + DWORD res;
1.786 + if (! WriteFile(h, (LPCVOID)cmd.iDataMemoryP,writeLen,&res,NULL))
1.787 + err=MapLastErrorMmc();
1.788 + else if (res!=(DWORD)writeLen)
1.789 + err=KMMCErrGeneral;
1.790 + else
1.791 + err=KMMCErrNone;
1.792 + }
1.793 +
1.794 + if (err!=KMMCErrNone)
1.795 + return(err);
1.796 + if (writeLen != cmd.iTotalLength)
1.797 + return KMMCErrDataTimeOut;
1.798 + }
1.799 + break;
1.800 +
1.801 + case ECmdAppCmd:
1.802 + // targetCard == -1 when ACMD41 being sent because not yet supplied
1.803 + if (iAddressedCard != KBroadcastToAllCards)
1.804 + {
1.805 + // timeout if addressed card is not SD
1.806 + if (! iCardInfo[iAddressedCard]->iIsSDCard)
1.807 + rto = ETrue;
1.808 + }
1.809 + else
1.810 + {
1.811 + // request sent to specific non-SD card
1.812 + if (targetCard != -1 && ! iCardInfo[targetCard]->iIsSDCard)
1.813 + rto = ETrue;
1.814 + }
1.815 + break;
1.816 +
1.817 + case ECmdSendCSD:
1.818 + {
1.819 + iCardInfo[targetCard]->GetCSD(cmd.iResponse);
1.820 + break;
1.821 + }
1.822 +
1.823 + // ------------------------------------------------------------------
1.824 + case ECmdLockUnlock:
1.825 + // in EPOC, Lock() does not actually lock the card. It just sets the
1.826 + // password. This means that the card is still accessible to the user,
1.827 + // but must be unlocked the next time it is powered up.
1.828 +
1.829 + // a real card will transiently go into rcv and prg state while processing
1.830 + // this command. When finished, it will fall back into tran state.
1.831 + // The R1 response is sent immediately after CMD42. CIMReadWriteBlocksSM()
1.832 + // sends CMD13 to find out whether or not LOCK_UNLOCK_FAIL was set.
1.833 +
1.834 + // the asserts in this case protect against invalid data being sent from the
1.835 + // media driver. A real card would fail these corrupt data blocks.
1.836 +
1.837 + {
1.838 + const TInt8 cmd_byte(*cmd.iDataMemoryP);
1.839 + __ASSERT_DEBUG( // ensure not CLR_PWD && SET_PWD
1.840 + !((cmd_byte & KMMCLockUnlockClrPwd) && (cmd_byte & KMMCLockUnlockSetPwd)),
1.841 + DWinsCPRMStack::Panic(DWinsCPRMStack::EWinsMMCCorruptCommand) );
1.842 +
1.843 + __ASSERT_DEBUG( // not actually lock a card
1.844 + !(cmd_byte & KMMCLockUnlockLockUnlock),
1.845 + DWinsCPRMStack::Panic(DWinsCPRMStack::EWinsMMCLockAttempt) );
1.846 +
1.847 + if (cmd_byte & KMMCLockUnlockErase) // ERASE (not supported)
1.848 + return KMMCErrNotSupported;
1.849 +
1.850 + const TInt8 pwd_len = *(cmd.iDataMemoryP + 1);
1.851 + const TPtrC8 pwd(cmd.iDataMemoryP + 2, pwd_len);
1.852 +
1.853 + if ((cmd_byte & KMMCLockUnlockClrPwd) != 0) // CLR_PWD == 1
1.854 + {
1.855 + __ASSERT_DEBUG(
1.856 + pwd_len >= 0 && pwd_len <= KMaxMediaPassword,
1.857 + DWinsCPRMStack::Panic(DWinsCPRMStack::EWinsMMCCorruptCommand));
1.858 +
1.859 + if (iCardInfo[targetCard]->iIsLocked) // clear when locked
1.860 + nextCMD42Failed = ETrue;
1.861 + else // clear when unlocked
1.862 + {
1.863 + if (iCardInfo[targetCard]->iPWD->Compare(pwd) != 0) // clear when unlocked with wrong password
1.864 + nextCMD42Failed = ETrue;
1.865 + else // clear when unlocked with right password
1.866 + {
1.867 + // Clear from password store
1.868 + iCardInfo[targetCard]->iPWD->Zero();
1.869 + iCardInfo[targetCard]->iIsLocked = EFalse;
1.870 + nextCMD42Failed = EFalse;
1.871 +
1.872 + // Clear from environment settings
1.873 + TInt cardNum=(targetCard==0) ? *Wins::CurrentPBusDevicePtr() : 0; // Can't be -1 at this stage
1.874 + SetMediaPasswordEnvironmentVar(MMCSocket()->iSocketNumber,cardNum,*(iCardInfo[targetCard]->iPWD));
1.875 + }
1.876 + }
1.877 + }
1.878 + else if ((cmd_byte & KMMCLockUnlockSetPwd) == 0) // SET_PWD == 0: unlock
1.879 + {
1.880 + __ASSERT_DEBUG(
1.881 + pwd_len >= 0 && pwd_len <= KMaxMediaPassword,
1.882 + DWinsCPRMStack::Panic(DWinsCPRMStack::EWinsMMCCorruptCommand) );
1.883 +
1.884 + if (! iCardInfo[targetCard]->iIsLocked) // unlock when unlocked
1.885 + nextCMD42Failed = ETrue;
1.886 + else
1.887 + {
1.888 + if (iCardInfo[targetCard]->iPWD->Compare(pwd) != 0) // unlock when locked with wrong password
1.889 + nextCMD42Failed = ETrue;
1.890 + else // unlock when locked with right password
1.891 + {
1.892 + iCardInfo[targetCard]->iIsLocked = EFalse;
1.893 + nextCMD42Failed = EFalse;
1.894 + }
1.895 + }
1.896 + }
1.897 + else /* ((cmd_byte & KMMCLockUnlockSetPwd) != 0) */ // SET_PWD == 1
1.898 + {
1.899 + __ASSERT_DEBUG(
1.900 + cmd_byte & KMMCLockUnlockSetPwd,
1.901 + DWinsCPRMStack::Panic(DWinsCPRMStack::EWinsMMCCorruptCommand) );
1.902 +
1.903 + // if pwd_len < iCardInfo[targetCard]->iPWD->Length() then data block must be invalid.
1.904 + // This can be caused by bad user input rather than inaccurate formation.
1.905 + if (!( pwd_len >= iCardInfo[targetCard]->iPWD->Length()
1.906 + && pwd_len <= iCardInfo[targetCard]->iPWD->Length() + KMaxMediaPassword ))
1.907 + {
1.908 + nextCMD42Failed = ETrue;
1.909 + }
1.910 + else
1.911 + {
1.912 + const TInt old_pwd_len = iCardInfo[targetCard]->iPWD->Length();
1.913 + TPtrC8 old_pwd(cmd.iDataMemoryP + 2, old_pwd_len);
1.914 + TPtrC8 new_pwd(cmd.iDataMemoryP + 2 + old_pwd_len, pwd_len - old_pwd_len);
1.915 +
1.916 + // card must not be locked and supplied current password must be correct
1.917 + if (iCardInfo[targetCard]->iIsLocked || iCardInfo[targetCard]->iPWD->Compare(old_pwd) != 0)
1.918 + nextCMD42Failed = ETrue;
1.919 + else
1.920 + {
1.921 + // Set in password store
1.922 + iCardInfo[targetCard]->iPWD->Copy(new_pwd);
1.923 + nextCMD42Failed = EFalse;
1.924 +
1.925 + // Set in environment settings
1.926 + TInt cardNum=(targetCard==0) ? *Wins::CurrentPBusDevicePtr() : 0; // Can't be -1 at this stage
1.927 + SetMediaPasswordEnvironmentVar(MMCSocket()->iSocketNumber,cardNum,*(iCardInfo[targetCard]->iPWD));
1.928 + }
1.929 + }
1.930 + } // else /* ((cmd_byte & KMMCLockUnlockSetPwd) != 0) */
1.931 + } // case ECmdLockUnlock
1.932 + // ------------------------------------------------------------------
1.933 + default:
1.934 + break;
1.935 + }
1.936 +
1.937 + if (rto)
1.938 + return(KMMCErrResponseTimeOut);
1.939 +
1.940 + cmd.iCommand = origCmd;
1.941 + // If this is an R1 or R1b response type command then return card status as a response
1.942 + if ( targetCard != -1
1.943 + && (cmd.iSpec.iResponseType==ERespTypeR1 || cmd.iSpec.iResponseType==ERespTypeR1B) )
1.944 + {
1.945 + TUint32 resp(
1.946 + iCardInfo[targetCard]->iState
1.947 + | ((iCardInfo[targetCard]->iIsLocked ? 1 : 0) << 25)
1.948 + | ((lock_unlock_failed ? 1 : 0) << 24) );
1.949 +
1.950 + if (iCMD42Failed) // previous CMD42
1.951 + {
1.952 + resp |= KMMCStatErrLockUnlock;
1.953 + nextCMD42Failed = EFalse;
1.954 + }
1.955 + iCMD42Failed = nextCMD42Failed;
1.956 + TMMC::BigEndian4Bytes(&cmd.iResponse[0],resp); // Ignore bits 47-40
1.957 + }
1.958 + SMF_END
1.959 + }
1.960 +
1.961 +TInt DWinsCPRMStack::FindAnyCardInStack(TMMCardStateEnum aState)
1.962 +//
1.963 +// first first active card in supplied state. Return -1 if
1.964 +// no active card is in supplied state.
1.965 +//
1.966 + {
1.967 + if (iAddressedCard != KBroadcastToAllCards)
1.968 + return (iCardInfo[iAddressedCard]->iState == aState) ? iAddressedCard : -1;
1.969 + else
1.970 + {
1.971 + for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
1.972 + {
1.973 + if (iCardInfo[i]->iState == aState)
1.974 + return i;
1.975 + }
1.976 +
1.977 + return -1;
1.978 + }
1.979 + }
1.980 +
1.981 +TInt DWinsCPRMStack::FindFirstCardInStack(TMMCardStateEnum aState)
1.982 +//
1.983 +// find card which is active on bus and in supplied state.
1.984 +// There can be more than one active card in the the supplied state,
1.985 +// but there should be at least one.
1.986 +//
1.987 + {
1.988 + if (iAddressedCard != KBroadcastToAllCards)
1.989 + {
1.990 + __ASSERT_DEBUG(iCardInfo[iAddressedCard]->iState == aState, DWinsCPRMStack::Panic(DWinsCPRMStack::EStkFFCNotSelCard));
1.991 + return iAddressedCard;
1.992 + }
1.993 + else
1.994 + {
1.995 + TInt idx = -1;
1.996 + for (TInt i = 0; idx != -1 && i < KTotalWinsCardSlots; ++i)
1.997 + {
1.998 + if (iCardInfo[i]->iState == aState)
1.999 + idx = i;
1.1000 + }
1.1001 +
1.1002 + __ASSERT_DEBUG(idx != -1, DWinsCPRMStack::Panic(DWinsCPRMStack::EStkFFCNoneSel));
1.1003 + return idx;
1.1004 + }
1.1005 + }
1.1006 +
1.1007 +TInt DWinsCPRMStack::FindOneCardInStack(TMMCardStateEnum aState)
1.1008 +//
1.1009 +// find card which is active on bus and in supplied state.
1.1010 +// There should be exactly one active card in the supplied state.
1.1011 +//
1.1012 + {
1.1013 + if (iAddressedCard != KBroadcastToAllCards)
1.1014 + {
1.1015 + __ASSERT_DEBUG(iCardInfo[iAddressedCard]->iState == aState, DWinsCPRMStack::Panic(DWinsCPRMStack::EStkFOCNotSelCard));
1.1016 + return iAddressedCard;
1.1017 + }
1.1018 + else
1.1019 + {
1.1020 + TInt idx = -1;
1.1021 + for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
1.1022 + {
1.1023 + if (iCardInfo[i]->iState == aState)
1.1024 + {
1.1025 + __ASSERT_DEBUG(idx == -1, DWinsCPRMStack::Panic(DWinsCPRMStack::EStkFOCMultiSel));
1.1026 + idx = i;
1.1027 + }
1.1028 + }
1.1029 +
1.1030 + __ASSERT_DEBUG(idx != -1, DWinsCPRMStack::Panic(DWinsCPRMStack::EStkFOCNoneSel));
1.1031 + return idx;
1.1032 + }
1.1033 + }
1.1034 +
1.1035 +TMMCErr DWinsCPRMStack::CIMCalculateMediaKeySM()
1.1036 +//
1.1037 +// Calculate the Media Key record.
1.1038 +//
1.1039 + {
1.1040 + enum states
1.1041 + {
1.1042 + EStBegin=0,
1.1043 + EStEnd
1.1044 + };
1.1045 +
1.1046 + SMF_BEGIN
1.1047 +
1.1048 + return( KMMCErrNotSupported );
1.1049 +
1.1050 + SMF_END
1.1051 + }
1.1052 +
1.1053 +TMMCErr DWinsCPRMStack::SetSecureCommandArgumentSM()
1.1054 +//
1.1055 +// Auxilary state machine function called during a secure read/write blocks operation.
1.1056 +// Perform random number generation and setting the secure command argument.
1.1057 +//
1.1058 + {
1.1059 + enum states
1.1060 + {
1.1061 + EStBegin=0,
1.1062 + EStEnd
1.1063 + };
1.1064 +
1.1065 + SMF_BEGIN
1.1066 +
1.1067 + return( KMMCErrNotSupported );
1.1068 +
1.1069 + SMF_END
1.1070 + }
1.1071 +
1.1072 +
1.1073 +// ======== DWinsMMCMediaChange ========
1.1074 +
1.1075 +#pragma warning( disable : 4355 ) // this used in initializer list
1.1076 +DWinsMMCMediaChange::DWinsMMCMediaChange(TInt aMediaChangeNum)
1.1077 + : DMMCMediaChange(aMediaChangeNum),
1.1078 + iDoorClosedCount(0),
1.1079 + iMediaChangeEnable(ETrue),
1.1080 + iStackP(NULL)
1.1081 + {
1.1082 + iMediaDoorCloseReload=2; // Units: In theory-20ms, Actual-100ms
1.1083 + }
1.1084 +#pragma warning( default : 4355 )
1.1085 +
1.1086 +TInt DWinsMMCMediaChange::Create()
1.1087 +//
1.1088 +// Initialiser.
1.1089 +//
1.1090 + {
1.1091 + return(DMediaChangeBase::Create());
1.1092 + }
1.1093 +
1.1094 +void DWinsMMCMediaChange::DoorOpenService()
1.1095 +//
1.1096 +// Handle the media change (this function, never postponed is called on media
1.1097 +// change interrupt).
1.1098 +//
1.1099 + {
1.1100 + Disable(); // Disable interrupt until door closes again.
1.1101 + iDoorOpenDfc.Enque();
1.1102 + }
1.1103 +
1.1104 +void DWinsMMCMediaChange::DoDoorOpen()
1.1105 +//
1.1106 +// Handle media door open (called on media door open interrupt).
1.1107 +//
1.1108 + {
1.1109 + iDoorClosedCount=iMediaDoorCloseReload;
1.1110 + // Just start a ticklink to poll for door closing
1.1111 + iTickLink.Periodic(KMediaChangeTickInterval,DWinsMMCMediaChange::Tick,this);
1.1112 + }
1.1113 +
1.1114 +void DWinsMMCMediaChange::DoDoorClosed()
1.1115 +//
1.1116 +// Handle media door closing (called on media door open interrupt).
1.1117 +//
1.1118 + {
1.1119 +
1.1120 + iTickLink.Cancel(); // Doesn't matter if wasn't enabled
1.1121 + Enable(); // Re-enable door interrupts
1.1122 +
1.1123 + // While the door was open the user may have changed the card in slot 0
1.1124 + if (iStackP && *Wins::CurrentPBusDevicePtr()>=0)
1.1125 + iStackP->iCardInfo[0]=iStackP->iCardPool[*Wins::CurrentPBusDevicePtr()];
1.1126 + }
1.1127 +
1.1128 +void DWinsMMCMediaChange::ForceMediaChange()
1.1129 +//
1.1130 +// Force media change
1.1131 +//
1.1132 + {
1.1133 + DoorOpenService();
1.1134 + }
1.1135 +
1.1136 +TMediaState DWinsMMCMediaChange::MediaState()
1.1137 +//
1.1138 +// Return status of media changed signal.
1.1139 +//
1.1140 + {
1.1141 +
1.1142 + if (iDoorClosedCount>0)
1.1143 + return(EDoorOpen);
1.1144 + return( (*Wins::MediaDoorOpenPtr())?EDoorOpen:EDoorClosed);
1.1145 + }
1.1146 +
1.1147 +void DWinsMMCMediaChange::Tick(TAny *aPtr)
1.1148 +//
1.1149 +// Called on the tick to poll for door closing (called on DFC).
1.1150 +//
1.1151 + {
1.1152 +
1.1153 + ((DWinsMMCMediaChange*)aPtr)->TickService();
1.1154 + }
1.1155 +
1.1156 +void DWinsMMCMediaChange::TickService()
1.1157 +//
1.1158 +// Called on the tick to poll for door closing (called on DFC).
1.1159 +//
1.1160 + {
1.1161 +
1.1162 + __ASSERT_DEBUG(iDoorClosedCount>=0,DWinsCPRMStack::Panic(DWinsCPRMStack::EWinsMMCMediaChangeTickFault));
1.1163 + if (!(*Wins::MediaDoorOpenPtr()))
1.1164 + {
1.1165 + if (iDoorClosedCount > 0)
1.1166 + iDoorClosedCount--;
1.1167 + if (iDoorClosedCount == 0)
1.1168 + DoorClosedService();
1.1169 + }
1.1170 + else
1.1171 + iDoorClosedCount=iMediaDoorCloseReload; // Door open so start again.
1.1172 + }
1.1173 +
1.1174 +void DWinsMMCMediaChange::Enable()
1.1175 +//
1.1176 +// Enable media change
1.1177 +//
1.1178 + {
1.1179 +
1.1180 + iMediaChangeEnable=ETrue;
1.1181 + }
1.1182 +
1.1183 +void DWinsMMCMediaChange::Disable()
1.1184 +//
1.1185 +// Disable media change
1.1186 +//
1.1187 + {
1.1188 +
1.1189 + iMediaChangeEnable=EFalse;
1.1190 + }
1.1191 +
1.1192 +void DWinsMMCMediaChange::MediaChangeCallBack(TAny *aPtr)
1.1193 +//
1.1194 +// Static called on media change
1.1195 +//
1.1196 + {
1.1197 +
1.1198 + DWinsMMCMediaChange* mc=(DWinsMMCMediaChange*)aPtr;
1.1199 + if (mc!=NULL&&mc->iMediaChangeEnable)
1.1200 + mc->DoorOpenService();
1.1201 + }
1.1202 +
1.1203 +
1.1204 +// ======== TWinsCardInfo ========
1.1205 +
1.1206 +void TWinsCardInfo::GetCSD(TUint8* aResp) const
1.1207 + {
1.1208 + // Bits 127-96
1.1209 + TUint32 csd=(0x1<<30); /* CSD_STRUCTURE: CSD Version No 1.1 */
1.1210 + csd|= (0x2<<26); /* SPEC_VERS: Version 2.1 */
1.1211 + csd|= (0x0E<<16); /* TAAC: 1mS */
1.1212 + csd|= (0x0A<<8); /* NSAC: 1000 */
1.1213 + csd|= (0x59); /* TRAN_SPEED: 5.0Mbit/s */
1.1214 + TMMC::BigEndian4Bytes(&aResp[0],csd);
1.1215 + // Bits 95-64
1.1216 + const TUint32 ccc =
1.1217 + KMMCCmdClassBasic | KMMCCmdClassBlockRead
1.1218 + | KMMCCmdClassBlockWrite | KMMCCmdClassLockCard;
1.1219 + csd= (ccc<<20); /* CCC: classes 0, 2, 4, and 7 */
1.1220 + csd|= (0x9<<16); /* READ_BL_LEN: 512 bytes */
1.1221 + csd|= (0x0<<15); /* READ_BL_PARTIAL: No */
1.1222 + csd|= (0x0<<14); /* WRITE_BLK_MISALIGN: No */
1.1223 + csd|= (0x0<<13); /* READ_BLK_MISALIGN: No */
1.1224 + csd|= (0x0<<12); /* DSR_IMP: No DSR */
1.1225 + csd|= (0x0<<8); /* C_SIZE: 1Mb */
1.1226 + csd|= (0x7F); /* C_SIZE: 1Mb (cont)*/
1.1227 + TMMC::BigEndian4Bytes(&aResp[4],csd);
1.1228 + // Bits 63-32
1.1229 + csd= (3UL<<30); /* C_SIZE: 2Mb (cont) */
1.1230 + csd|= (0x1<<27); /* VDD_R_CURR_MIN: 1mA */
1.1231 + csd|= (0x1<<24); /* VDD_R_CURR_MAX: 5mA */
1.1232 + csd|= (0x2<<21); /* VDD_W_CURR_MIN: 5mA */
1.1233 + csd|= (0x3<<18); /* VDD_W_CURR_MAX: 25mA */
1.1234 + csd|= (0x0<<15); /* C_SIZE_MULT: 0 */
1.1235 + if (! iIsSDCard)
1.1236 + {
1.1237 + csd|= (0x0<<10); /* SECTOR_SIZE: 1 write block */
1.1238 + csd|= (0x0<<5); /* ERASE_GRP_SIZE: 1 sector */
1.1239 + csd|= (0x0); /* WP_GRP_SIZE: 1 erase group */
1.1240 + }
1.1241 + else
1.1242 + {
1.1243 + csd |= (0x00 << (46 - 32)); // ERASE_BLK_EN
1.1244 + csd |= (0x1f << (39 - 32)); // SECTOR_SIZE: 32 write blocks
1.1245 + csd |= (0x00 << (32 - 32)); // WP_GRP_SIZE: 1 erase sector.
1.1246 + }
1.1247 + TMMC::BigEndian4Bytes(&aResp[8],csd);
1.1248 + // Bits 31-0
1.1249 + csd= (0x0<<31); /* WP_GRP_ENABLE: No */
1.1250 + csd|= (0x0<<29); /* DEFAULT_ECC: ? */
1.1251 + csd|= (0x3<<26); /* R2W_FACTOR: 8 */
1.1252 + csd|= (0x9<<22); /* WRITE_BL_LEN: 512 bytes */
1.1253 + csd|= (0x0<<21); /* WRITE_BL_PARTIAL: No */
1.1254 + csd|= (0x0<<15); /* FILE_FORMAT_GRP: Hard disk */
1.1255 + csd|= (0x0<<14); /* COPY: original */
1.1256 + csd|= (0x0<<13); /* PERM_WRITE_PROTECT: No */
1.1257 + csd|= (0x0<<12); /* TMP_WRITE_PROTECT: No */
1.1258 + csd|= (0x0<<10); /* FILE_FORMAT: Hard disk */
1.1259 + csd|= (0x0<<8); /* ECC: None */
1.1260 + csd|= (0x0<<1); /* CRC: ? */
1.1261 + csd|= (0x1); /* not used */
1.1262 + TMMC::BigEndian4Bytes(&aResp[12],csd);
1.1263 + }
1.1264 +
1.1265 +// ======== DWinsMMCPsu ========
1.1266 +
1.1267 +
1.1268 +DWinsMMCPsu::DWinsMMCPsu(TInt aVccNum, TInt aMcId)
1.1269 + : DMMCPsu(aVccNum, aMcId)
1.1270 + {}
1.1271 +
1.1272 +void DWinsMMCPsu::Init()
1.1273 +//
1.1274 +// Initialise the PSU
1.1275 +//
1.1276 + {
1.1277 + // Nothing to do
1.1278 + }
1.1279 +
1.1280 +void DWinsMMCPsu::DoSetState(TPBusPsuState aState)
1.1281 +//
1.1282 +// Turn on/off the PSU. If it is possible to adjust the output voltage on this
1.1283 +// PSU then retreive the required voltage level from TMMCPsu::iVoltageSetting
1.1284 +// (which is in OCR register format).
1.1285 +//
1.1286 + {
1.1287 +
1.1288 + switch (aState)
1.1289 + {
1.1290 + case EPsuOff:
1.1291 + break;
1.1292 + case EPsuOnFull:
1.1293 + break;
1.1294 + case EPsuOnCurLimit:
1.1295 + break;
1.1296 + }
1.1297 + }
1.1298 +
1.1299 +TInt DWinsMMCPsu::VoltageInMilliVolts()
1.1300 +//
1.1301 +// Return the level of the PSU (in mV) or -ve if error.
1.1302 +//
1.1303 + {
1.1304 +
1.1305 + return(0);
1.1306 + }
1.1307 +
1.1308 +void DWinsMMCPsu::DoCheckVoltage()
1.1309 +//
1.1310 +// Check the voltage level of the PSU is as expected. Returns either KErrNone, KErrGeneral
1.1311 +// to indicate the pass/fail state or KErrNotReady if the voltage check isn't complete.
1.1312 +//
1.1313 + {
1.1314 +
1.1315 + ReceiveVoltageCheckResult(KErrNone);
1.1316 + }
1.1317 +
1.1318 +void DWinsMMCPsu::PsuInfo(TPBusPsuInfo &anInfo)
1.1319 +//
1.1320 +// Return machine info relating to the MMC PSU supply
1.1321 +//
1.1322 + {
1.1323 +
1.1324 + anInfo.iVoltageSupported=0x00040000; // 3.0V (OCR reg. format).
1.1325 + anInfo.iMaxCurrentInMicroAmps=0;
1.1326 + anInfo.iVoltCheckInterval=0;
1.1327 + anInfo.iVoltCheckMethod=EPsuChkComparator;
1.1328 + anInfo.iNotLockedTimeOut=0; // Not enabled
1.1329 + anInfo.iInactivityTimeOut=5; // 5 Seconds
1.1330 + }