// Copyright (c) 2003-2009 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_sdio.h"
const TInt KDiskSectorSize=512;
const TInt KTotalMDiskSize=0x100000; // 1MB (if changing this then also change CSD response)
// ======== Register Map ========
typedef TInt (*TAccessFunction)(TInt aTargetCard, TInt aVal, TAny* aThis, TBool aRead, TUint8& aData);
const TInt KIoMapEnd = 0xFFFFFFFF;
struct SRegisterMapInfo
{
public:
TUint32 iRegisterID; // Unique ID
const SRegisterMapInfo* iChildMapP; // Pointer to child register map
TUint32 iAddress; // Start Address
TUint32 iLength; // Register Length in Bytes
const TAny* iDataP; // Data for auto-access (may be NULL)
TAccessFunction iAccessFunction; // Invoked when register is accessed
TUint8 iFlags; // Bitmap of RO(0), R/W(1) bits (8-bit only?)
};
// ======== Card Information Structures =========
const TUint32 KCommonCisPtr = 0x1010;
const TUint32 KCommonCisLen = 0x70;
LOCAL_D const TText8 CardCommonCis[KCommonCisLen] =
{
// 0x20,0x04,0xc0,0x12,0x00,0x00,0x21,0x02,0x0c,0x00,0x22,0x06,0x00,0x00,0x01,0x32,
// 0x00,0x00,0x91,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x15,0x32,0x01,0x00,0x48,0x41,
// 0x47,0x49,0x57,0x41,0x52,0x41,0x20,0x53,0x59,0x53,0x2d,0x43,0x4f,0x4d,0x20,0x43,
// 0x4f,0x2e,0x2c,0x4c,0x54,0x44,0x2e,0x00,0x48,0x53,0x2d,0x53,0x44,0x44,0x4b,0x2d,
// 0x30,0x30,0x32,0x20,0x56,0x65,0x72,0x2e,0x50,0x61,0x6e,0x61,0x00,0x00,0xff,0xff,
// 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
// 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
0x20,0x04,0xc0,0x12,0x00,0x00,0x21,0x02,0x0c,0x00,0x22,0x04,0x00,0x00,0x01,0x2A/*79*/,
0x91,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x15,0x35,0x01,0x00,0x48,0x41,0x47,0x49,
0x57,0x41,0x52,0x41,0x20,0x53,0x59,0x53,0x2d,0x43,0x4f,0x4d,0x20,0x43,0x4f,0x2e,
0x2c,0x4c,0x54,0x44,0x2e,0x00,0x48,0x53,0x2d,0x53,0x44,0x44,0x4b,0x2d,0x30,0x30,
0x32,0x20,0x56,0x65,0x72,0x2e,0x50,0x61,0x6e,0x61,0x00,0x53,0x48,0x50,0x00,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
};
const TUint32 KFn1CisPtr = 0x2000;
const TUint32 KFn1CisLen = 0x40;
LOCAL_D const TText8 Fn1Cis[KFn1CisLen] =
{
0x21,0x02,0x0c,0x00,0x22,0x24,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,
0x00,0x03,0x00,0x02,0x00,0x00,0x3c,0x00,0x00,0x00,0xc8,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x2c,0x01,0xf4,0x01,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x0f,0xff,
};
const TUint32 KFn2CisPtr = 0x3000;
const TUint32 KFn2CisLen = 0x40;
LOCAL_D const TText8 Fn2Cis[KFn2CisLen] =
{
0x21,0x02,0x0c,0x00,0x22,0x24,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,
0x00,0x03,0x40,0x00,0x00,0x00,0x3c,0x00,0x00,0x00,0xc8,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xfa,0x00,0xc2,0x01,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
};
// ======== Card Common Control Registers =========
TUint8 GCCCRRegSdioRevision = 0x00;
TUint8 GCCCRRegSdSpec = 0x00;
TUint8 GCCCRRegIoEnable = 0x00;
TUint8 GCCCRRegIoReady = 0x00;
TUint8 GCCCRRegIntEnable = 0x00;
TUint8 GCCCRRegIntPending = 0x00;
TUint8 GCCCRRegIoAbort = 0x00;
TUint8 GCCCRRegBusInterfaceControl = 0x00;
TUint8 GCCCRRegCardCapability = 0x00;
TUint8 GCCCRRegCisPtrLo = (KCommonCisPtr & 0x0000FF);
TUint8 GCCCRRegCisPtrMid = (KCommonCisPtr & 0x00FF00) >> 8;
TUint8 GCCCRRegCisPtrHi = (KCommonCisPtr & 0xFF0000) >> 16;
TUint8 GCCCRRegBusSuspend = 0x00;
TUint8 GCCCRRegFunctionSelect = 0x00;
TUint8 GCCCRRegExecFlags = 0x00;
TUint8 GCCCRRegReadyFlags = 0x00;
TUint8 GCCCRRegFN0BlockSizeLo = 0x00; // Initialises with 0x0000
TUint8 GCCCRRegFN0BlockSizeHi = 0x00; // Initialises with 0x0000
TUint8 GFunctionToEnable = 0x00;
LOCAL_D const SRegisterMapInfo IoMapCCCR[] =
{
{KCCCRRegSdioRevision, NULL, 0x00, 0x01, &GCCCRRegSdioRevision, NULL, 0x00},
{KCCCRRegSdSpec, NULL, 0x01, 0x01, &GCCCRRegSdSpec, NULL, 0x00},
{KCCCRRegIoEnable, NULL, 0x02, 0x01, NULL, DWinsSDIOStack::AccessIoEnable, 0x00},
{KCCCRRegIoReady, NULL, 0x03, 0x01, &GCCCRRegIoReady, NULL, 0x00},
{KCCCRRegIntEnable, NULL, 0x04, 0x01, &GCCCRRegIntEnable, NULL, 0xFF},
{KCCCRRegIntPending, NULL, 0x05, 0x01, &GCCCRRegIntPending, NULL, 0x00},
{KCCCRRegIoAbort, NULL, 0x06, 0x01, &GCCCRRegIoAbort, NULL, 0xFF},
{KCCCRRegBusInterfaceControl, NULL, 0x07, 0x01, &GCCCRRegBusInterfaceControl, NULL, 0xFF},
{KCCCRRegCardCapability, NULL, 0x08, 0x01, &GCCCRRegCardCapability, NULL, 0x00},
{KCCCRRegCisPtrLo, NULL, 0x09, 0x01, &GCCCRRegCisPtrLo, NULL, 0x00},
{KCCCRRegCisPtrMid, NULL, 0x0a, 0x01, &GCCCRRegCisPtrMid, NULL, 0x00},
{KCCCRRegCisPtrHi, NULL, 0x0b, 0x01, &GCCCRRegCisPtrHi, NULL, 0x00},
{KCCCRRegBusSuspend, NULL, 0x0c, 0x01, &GCCCRRegBusSuspend, NULL, 0xFF},
{KCCCRRegFunctionSelect, NULL, 0x0d, 0x01, &GCCCRRegFunctionSelect, NULL, 0xFF},
{KCCCRRegExecFlags, NULL, 0x0e, 0x01, &GCCCRRegExecFlags, NULL, 0x00},
{KCCCRRegReadyFlags, NULL, 0x0f, 0x01, &GCCCRRegReadyFlags, NULL, 0x00},
{KCCCRRegFN0BlockSizeLo, NULL, 0x10, 0x01, &GCCCRRegFN0BlockSizeLo, NULL, 0x00},
{KCCCRRegFN0BlockSizeHi, NULL, 0x11, 0x01, &GCCCRRegFN0BlockSizeHi, NULL, 0x00},
{KIoMapEnd, NULL, 0, 0, NULL, NULL, 0xFF}
};
// ======== Function Basic Register 1 =========
TUint8 GFBR1RegInterfaceCode = KFBRRegSupportsCSA;
TUint8 GFBR1RegExtendedCode = 0x00;
TUint8 GFBR1RegPowerFlags = 0x00;
TUint8 GFBR1RegCisPtrLo = (KFn1CisPtr & 0x0000FF);
TUint8 GFBR1RegCisPtrMid = (KFn1CisPtr & 0x00FF00) >> 8;
TUint8 GFBR1RegCisPtrHi = (KFn1CisPtr & 0xFF0000) >> 16;
TUint8 GFBR1RegIoBlockSizeLo = 0x00;
TUint8 GFBR1RegIoBlockSizeHi = 0x00;
TUint32 GFBR1RegCsaPtr = 0x00000000;
LOCAL_D const SRegisterMapInfo IoMapFBR1[] =
{
{KFBRRegInterfaceCode, NULL, 0x100, 0x01, &GFBR1RegInterfaceCode, NULL, 0x00},
{KFBRRegExtendedCode, NULL, 0x101, 0x01, &GFBR1RegExtendedCode, NULL, 0x00},
{KFBRRegPowerFlags, NULL, 0x102, 0x01, &GFBR1RegPowerFlags, NULL, 0x00},
{KFBRRegCisPtrLo, NULL, 0x109, 0x01, &GFBR1RegCisPtrLo, NULL, 0x00},
{KFBRRegCisPtrMid, NULL, 0x10a, 0x01, &GFBR1RegCisPtrMid, NULL, 0x00},
{KFBRRegCisPtrHi, NULL, 0x10b, 0x01, &GFBR1RegCisPtrHi, NULL, 0x00},
{KFBRRegCsaPtrLo, NULL, 0x10c, 0x01, NULL, DWinsSDIOStack::AccessCsaPointer, 0xFF},
{KFBRRegCsaPtrMid, NULL, 0x10d, 0x01, NULL, DWinsSDIOStack::AccessCsaPointer, 0xFF},
{KFBRRegCsaPtrHi, NULL, 0x10e, 0x01, NULL, DWinsSDIOStack::AccessCsaPointer, 0xFF},
{KFBRRegCsaWindow, NULL, 0x10f, 0x01, NULL, DWinsSDIOStack::AccessCsaWindow, 0xFF},
{KFBRRegIoBlockSizeLo, NULL, 0x110, 0x01, &GFBR1RegIoBlockSizeLo, NULL, 0xFF},
{KFBRRegIoBlockSizeHi, NULL, 0x111, 0x01, &GFBR1RegIoBlockSizeHi, NULL, 0xFF},
{KIoMapEnd, NULL, 0, 0, NULL, NULL, 0x00}
};
// ======== Function Basic Register 2 ========
TUint8 GFBR2RegInterfaceCode = KFBRRegSupportsCSA | ESdioFunctionTypeUART;
TUint8 GFBR2RegExtendedCode = 0x00;
TUint8 GFBR2RegPowerFlags = 0x00;
TUint8 GFBR2RegCisPtrLo = (KFn2CisPtr & 0x0000FF);
TUint8 GFBR2RegCisPtrMid = (KFn2CisPtr & 0x00FF00) >> 8;
TUint8 GFBR2RegCisPtrHi = (KFn2CisPtr & 0xFF0000) >> 16;
TUint8 GFBR2RegIoBlockSizeLo = 0x00;
TUint8 GFBR2RegIoBlockSizeHi = 0x00;
TUint32 GFBR2RegCsaPtr = 0x00000000;
LOCAL_D const SRegisterMapInfo IoMapFBR2[] =
{
{KFBRRegInterfaceCode, NULL, 0x200, 0x01, &GFBR2RegInterfaceCode, NULL, 0x00},
{KFBRRegExtendedCode, NULL, 0x201, 0x01, &GFBR2RegExtendedCode, NULL, 0x00},
{KFBRRegPowerFlags, NULL, 0x202, 0x01, &GFBR2RegPowerFlags, NULL, 0x00},
{KFBRRegCisPtrLo, NULL, 0x209, 0x01, &GFBR2RegCisPtrLo, NULL, 0x00},
{KFBRRegCisPtrMid, NULL, 0x20a, 0x01, &GFBR2RegCisPtrMid, NULL, 0x00},
{KFBRRegCisPtrHi, NULL, 0x20b, 0x01, &GFBR2RegCisPtrHi, NULL, 0x00},
{KFBRRegCsaPtrLo, NULL, 0x20c, 0x01, NULL, DWinsSDIOStack::AccessCsaPointer, 0xFF},
{KFBRRegCsaPtrMid, NULL, 0x20d, 0x01, NULL, DWinsSDIOStack::AccessCsaPointer, 0xFF},
{KFBRRegCsaPtrHi, NULL, 0x20e, 0x01, NULL, DWinsSDIOStack::AccessCsaPointer, 0xFF},
{KFBRRegCsaWindow, NULL, 0x20f, 0x01, NULL, DWinsSDIOStack::AccessCsaWindow, 0xFF},
{KFBRRegIoBlockSizeLo, NULL, 0x210, 0x01, &GFBR2RegIoBlockSizeLo, NULL, 0xFF},
{KFBRRegIoBlockSizeHi, NULL, 0x211, 0x01, &GFBR2RegIoBlockSizeHi, NULL, 0xFF},
{KIoMapEnd, NULL, 0, 0, NULL, NULL, 0x00}
};
// ======== Function Basic Register 1 =========
const TInt KIoMapCCCR = 0;
const TInt KIoMapFBR1 = 1;
const TInt KIoMapFBR2 = 2;
const TInt KIoMapCommonCis = 3;
const TInt KIoMapFn1Cis = 4;
const TInt KIoMapFn2Cis = 5;
LOCAL_D const SRegisterMapInfo IoMapTop[] =
{
{KIoMapCCCR, IoMapCCCR, 0x00, 0xFF, NULL, NULL, 0x00},
{KIoMapFBR1, IoMapFBR1, 0x100, 0xFF, NULL, NULL, 0x00},
{KIoMapFBR2, IoMapFBR2, 0x200, 0xFF, NULL, NULL, 0x00},
{KIoMapCommonCis, NULL, KCommonCisPtr, KCommonCisLen, CardCommonCis, NULL, 0x00},
{KIoMapFn1Cis, NULL, KFn1CisPtr, KFn1CisLen, Fn1Cis, NULL, 0x00},
{KIoMapFn2Cis, NULL, KFn2CisPtr, KFn2CisLen, Fn2Cis, NULL, 0x00},
{KIoMapEnd, NULL, 0, 0, NULL, NULL, 0x00}
};
const SRegisterMapInfo* FindIoEntryFromID(const SRegisterMapInfo* aIoMapP, TUint32 aID)
{
const SRegisterMapInfo* foundEntry = NULL;
TInt currentEntry = 0;
while((aIoMapP[currentEntry].iRegisterID != KIoMapEnd) && (foundEntry == NULL))
{
if(aIoMapP[currentEntry].iRegisterID == aID)
{
foundEntry = aIoMapP+currentEntry;
}
currentEntry++;
}
return(foundEntry);
}
const SRegisterMapInfo* FindIoEntryFromAddress(const SRegisterMapInfo* aIoMapP, TUint32 aAddr)
{
const SRegisterMapInfo* foundEntry = NULL;
TInt currentEntry = 0;
while((aIoMapP[currentEntry].iRegisterID != KIoMapEnd) && (foundEntry == NULL))
{
const TUint32 startAddr = aIoMapP[currentEntry].iAddress;
const TUint32 endAddr = startAddr + aIoMapP[currentEntry].iLength - 1;
if((aAddr >= startAddr) && (aAddr <= endAddr))
{
if(aIoMapP[currentEntry].iChildMapP)
{
foundEntry = FindIoEntryFromAddress(aIoMapP[currentEntry].iChildMapP, aAddr);
}
else
{
foundEntry = aIoMapP+currentEntry;
}
}
currentEntry++;
}
return(foundEntry);
}
// ======== 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);
}
// ======== DWinsSDIOStack ========
DWinsSDIOStack::DWinsSDIOStack(TInt aBus, DMMCSocket* aSocket)
: DSDIOStack(aBus, aSocket),
iEnableTimer(&DWinsSDIOStack::EnableTimerCallback,this)
{
iAddressedCard=KBroadcastToAllCards;
// iCMD42Failed=EFalse;
}
TInt DWinsSDIOStack::Init()
//
// Allocate any resources. Only created once on kernel initialization so dont
// worry about cleanup if it leaves.
//
{
if((iCardArray = new TSDIOCardArray(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 DWinsSDIOStack::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,
DWinsSDIOStack::Panic(DWinsSDIOStack::EWinsMMCBadMachineInfo));
}
void DWinsSDIOStack::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 DWinsSDIOStack::GetBufferInfo(TUint8** aMDBuf, TInt* aMDBufLen)
{
*aMDBuf = iMDBuf;
*aMDBufLen = iMDBufLen;
}
void DWinsSDIOStack::Panic(TWinsMMCPanic aPanic)
{
_LIT(KPncNm,"PBUS-MMCSD-WINS");
Kern::PanicCurrentThread(KPncNm,aPanic);
}
TInt DWinsSDIOStack::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 = 3; // +1 for SDIO area
}
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 DWinsSDIOStack::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 DWinsSDIOStack::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 DWinsSDIOStack::InitClockOff()
{
// empty.
}
void DWinsSDIOStack::ASSPReset()
{
// empty.
}
void DWinsSDIOStack::ASSPDisengage()
{
// empty.
}
void DWinsSDIOStack::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 DWinsSDIOStack::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 + 1;
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 DWinsSDIOStack::InitClockOnSM()
{
enum states
{
EStBegin=0,
EStEnd
};
SMF_BEGIN
SMF_END
}
void DWinsSDIOStack::AddressCard(TInt aCardNumber)
{
iAddressedCard = aCardNumber;
}
TInt DWinsSDIOStack::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 DWinsSDIOStack::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,
DWinsSDIOStack::Panic(DWinsSDIOStack::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,
DWinsSDIOStack::Panic(DWinsSDIOStack::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:
DWinsSDIOStack::Panic(DWinsSDIOStack::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,
DWinsSDIOStack::Panic(DWinsSDIOStack::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)),
DWinsSDIOStack::Panic(DWinsSDIOStack::EWinsMMCCorruptCommand) );
__ASSERT_DEBUG( // not actually lock a card
!(cmd_byte & KMMCLockUnlockLockUnlock),
DWinsSDIOStack::Panic(DWinsSDIOStack::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,
DWinsSDIOStack::Panic(DWinsSDIOStack::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;
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() : 0; // 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,
DWinsSDIOStack::Panic(DWinsSDIOStack::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;
else // unlock when locked with right password
{
iCardInfo[targetCard]->iIsLocked = EFalse;
nextCMD42Failed = EFalse;
}
}
}
else /* ((cmd_byte & KMMCLockUnlockSetPwd) != 0) */ // SET_PWD == 1
{
__ASSERT_DEBUG(
cmd_byte & KMMCLockUnlockSetPwd,
DWinsSDIOStack::Panic(DWinsSDIOStack::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;
else
{
// Set in password store
iCardInfo[targetCard]->iPWD->Copy(new_pwd);
nextCMD42Failed = EFalse;
// Set in environment settings
TInt cardNum=(targetCard==0) ? *Wins::CurrentPBusDevicePtr() : 0; // Can't be -1 at this stage
SetMediaPasswordEnvironmentVar(MMCSocket()->iSocketNumber,cardNum,*(iCardInfo[targetCard]->iPWD));
}
}
} // else /* ((cmd_byte & KMMCLockUnlockSetPwd) != 0) */
} // case ECmdLockUnlock
break;
// ------------------------------------------------------------------
case ECmd5:
{
if (!iCardInfo[iAddressedCard]->iIsSDCard)
{
rto = ETrue;
}
else
{
// bit31 is set to indicate cards are not still powering up
TUint32 r5 = 0;
r5 |= KWinsSdioFunctionCount << KSDIOFunctionCountShift;
r5 |= KWinsSdioMemoryPresent ? KSDIOMemoryPresent : 0;
r5 |= KMMCWinsCardOCRValue;
r5 |= KSDIOReady;
TMMC::BigEndian4Bytes(cmd.iResponse, r5);
}
}
break;
case ECmd52:
{
if (!iCardInfo[iAddressedCard]->iIsSDCard)
{
rto = ETrue;
}
else
{
const TUint32 address = (cmd.iArgument >> KSdioCmdAddressShift) & KSdioCmdAddressMask;
const TUint32 function = (cmd.iArgument >> KSdioCmdFunctionShift) & KSdioCmdFunctionMask;
const TUint32 ioAddress = address + (0x100*function);
const SRegisterMapInfo* entry = NULL;
entry = FindIoEntryFromAddress(IoMapTop, ioAddress);
if(!entry)
{
rto = ETrue;
}
else
{
if((cmd.iArgument & KSdioCmdDirMask) == KSdioCmdRead)
{
TUint8 dataVal = 0;
if(entry->iAccessFunction)
{
entry->iAccessFunction(targetCard, entry->iRegisterID, this, ETrue, dataVal);
}
if(entry->iDataP)
{
TUint entryOffset = ioAddress - entry->iAddress;
if(entryOffset >= 0 && entryOffset < entry->iLength)
{
dataVal = ((TUint8*)entry->iDataP)[entryOffset];
}
}
TUint32 r5 = 0;
r5 |= dataVal;
r5 |= 0x1000;
TMMC::BigEndian4Bytes(cmd.iResponse, r5);
}
else
{
const TBool raw = (cmd.iArgument & KSdioCmdRAW) ? ETrue : EFalse;
TUint8 data = (TUint8)(cmd.iArgument & KSdioCmdDataMask);
if(entry->iDataP)
{
*(TUint8*)(entry->iDataP) &= ~(entry->iFlags);
*(TUint8*)(entry->iDataP) |= (data & entry->iFlags);
}
if(entry->iAccessFunction)
{
entry->iAccessFunction(targetCard, entry->iRegisterID, this, EFalse, data);
}
TUint32 r5 = 0;
if(raw)
{
r5 |= data;
}
// r5 |= 0x1000;
r5 |= 0x2000;
TMMC::BigEndian4Bytes(cmd.iResponse, r5);
}
}
}
}
break;
case ECmd53:
{
TBool a = EFalse;
if(a)
{
return(KMMCErrDataTimeOut);
}
if (!iCardInfo[iAddressedCard]->iIsSDCard)
{
rto = ETrue;
}
else
{
const TUint32 address = (cmd.iArgument >> KSdioCmdAddressShift) & KSdioCmdAddressMask;
const TUint32 function = (cmd.iArgument >> KSdioCmdFunctionShift) & KSdioCmdFunctionMask;
const TUint32 ioAddress = address + (0x100*function);
if((cmd.iArgument & KSdioCmdBlockMode) == KSdioCmdBlockMode)
{
// Block mode not supported (yet)
rto = ETrue;
}
else
{
TUint32 byteCount = cmd.iArgument & KSdioCmdCountMask;
TUint32 count = 0;
TUint32 currentAddress = ioAddress;
TUint32 inc = ((cmd.iArgument & KSdioCmdAutoInc) == KSdioCmdAutoInc) ? 1 : 0;
while(count < byteCount)
{
const SRegisterMapInfo* entry = NULL;
entry = FindIoEntryFromAddress(IoMapTop, currentAddress);
if(entry)
{
if((cmd.iArgument & KSdioCmdDirMask) == KSdioCmdRead)
{
TUint8 dataVal = 0;
if(entry->iAccessFunction)
{
entry->iAccessFunction(targetCard, entry->iRegisterID, this, ETrue, dataVal);
}
if(entry->iDataP)
{
TUint entryOffset = currentAddress - entry->iAddress;
if(entryOffset >= 0 && entryOffset < entry->iLength)
{
dataVal = ((TUint8*)entry->iDataP)[entryOffset];
}
}
cmd.iDataMemoryP[count] = dataVal;
}
else
{
TUint8 data = cmd.iDataMemoryP[count];
if(entry->iDataP)
{
TUint entryOffset = currentAddress - entry->iAddress;
if(entryOffset >= 0 && entryOffset < entry->iLength)
{
((TUint8*)entry->iDataP)[entryOffset] &= ~(entry->iFlags);
((TUint8*)entry->iDataP)[entryOffset] |= (data & entry->iFlags);
}
}
if(entry->iAccessFunction)
{
entry->iAccessFunction(targetCard, entry->iRegisterID, this, EFalse, data);
}
}
}
count++;
currentAddress += inc;
}
TUint32 r5 = 0;
// r5 |= 0x2000;
r5 |= 0x1000;
TMMC::BigEndian4Bytes(cmd.iResponse, r5);
}
}
}
break;
// ------------------------------------------------------------------
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
}
TInt DWinsSDIOStack::AccessIoEnable(TInt /*aTargetCard*/, TInt /*aVal*/, TAny* aSelfP, TBool aRead, TUint8& aData)
//
// Access the IO Enable register
//
{
DWinsSDIOStack& self = *(DWinsSDIOStack*)aSelfP;
if(aRead)
{
aData = GCCCRRegIoEnable;
}
else
{
TUint8 mask = 0;
for(TInt i=0; i<KWinsSdioFunctionCount; i++)
{
mask |= (0x02 << i);
}
aData &= mask;
// Disable functions first...
GFunctionToEnable &= aData;
GCCCRRegIoReady &= aData;
GCCCRRegIoEnable &= aData;
// Enabling any functions - This uses the delayed timer...
if((GCCCRRegIoEnable & aData) != aData)
{
GFunctionToEnable = GCCCRRegIoEnable ^ aData;
GCCCRRegIoEnable |= GFunctionToEnable;
self.iEnableTimer.OneShot(KFunctionEnableDelay_uS / NKern::TickPeriod());
}
}
return(KErrNone);
}
void DWinsSDIOStack::EnableTimerCallback(TAny* /*aSelfP*/)
{
GCCCRRegIoReady |= GFunctionToEnable;
}
TInt DWinsSDIOStack::AccessCsaWindow(TInt aTargetCard, TInt /*aVal*/, TAny* aSelfP, TBool aRead, TUint8& aData)
//
// Access the CSA Windoe
//
{
TMMCErr err = KErrNone;
DWinsSDIOStack& self = *(DWinsSDIOStack*)aSelfP;
HANDLE winHandle = self.iCardInfo[aTargetCard]->iAreaHandles[KSDIOArea];
if (SetFilePointer(winHandle, GFBR1RegCsaPtr, NULL,FILE_BEGIN) == 0xffffffffu)
err = MapLastErrorMmc();
else
{
DWORD res;
TUint8 val = 0;
TUint len = 1;
BOOL rwRes = FALSE;
if(aRead)
{
rwRes = ReadFile(winHandle, (TAny*)&val, len, &res, NULL);
}
else
{
val = aData;
rwRes = WriteFile(winHandle, (TAny*)&val, len, &res, NULL);
}
if(rwRes == FALSE)
{
err = MapLastErrorMmc();
}
else if(res != len)
{
err = KMMCErrGeneral;
}
else
{
if(aRead)
{
aData = val;
}
GFBR1RegCsaPtr++;
err = KMMCErrNone;
}
}
return(err);
}
TInt DWinsSDIOStack::AccessCsaPointer(TInt /*aTargetCard*/, TInt aVal, TAny* /*aSelfP*/, TBool aRead, TUint8& aData)
//
// Access the CSA Windoe
//
{
TInt err = KErrNone;
TUint32 mask = 0;
TUint32 shift = 0;
switch(aVal)
{
case KFBRRegCsaPtrLo:
{
mask = 0x0000FF;
shift = 0;
break;
}
case KFBRRegCsaPtrMid:
{
mask = 0x00FF00;
shift = 8;
break;
}
case KFBRRegCsaPtrHi:
{
mask = 0xFF0000;
shift = 16;
break;
}
default:
{
err = KErrNotSupported;
break;
}
}
if(err == KErrNone)
{
if(aRead)
{
aData = (TUint8)((GFBR1RegCsaPtr & mask) >> shift);
}
else
{
GFBR1RegCsaPtr &= ~mask;
GFBR1RegCsaPtr |= (TUint32)aData << shift;
}
}
return(err);
}
void DWinsSDIOStack::EnableSDIOInterrupt(TBool /*aEnable*/)
//
// Virtual
//
{
}
void DWinsSDIOStack::SetBusWidth(TUint32 /*aBusWidth*/)
//
// Virtual
//
{
}
TUint32 DWinsSDIOStack::MaxBlockSize() const
//
// Virtual
//
{
return(512);
}
TInt DWinsSDIOStack::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 DWinsSDIOStack::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, DWinsSDIOStack::Panic(DWinsSDIOStack::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, DWinsSDIOStack::Panic(DWinsSDIOStack::EStkFFCNoneSel));
return idx;
}
}
TInt DWinsSDIOStack::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, DWinsSDIOStack::Panic(DWinsSDIOStack::EStkFOCNotSelCard));
return iAddressedCard;
}
else
{
TInt idx = -1;
for (TInt i = 0; i < KTotalWinsCardSlots; ++i)
{
if (iCardInfo[i]->iState == aState)
{
__ASSERT_DEBUG(idx == -1, DWinsSDIOStack::Panic(DWinsSDIOStack::EStkFOCMultiSel));
idx = i;
}
}
__ASSERT_DEBUG(idx != -1, DWinsSDIOStack::Panic(DWinsSDIOStack::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,DWinsSDIOStack::Panic(DWinsSDIOStack::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);
}
// ======== DWinsSDIOPsu ========
DWinsSDIOPsu::DWinsSDIOPsu(TInt aVccNum, TInt aMcId)
: DSDIOPsu(aVccNum, aMcId)
{}
void DWinsSDIOPsu::Init()
//
// Initialise the PSU
//
{
// Nothing to do
}
void DWinsSDIOPsu::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 DWinsSDIOPsu::VoltageInMilliVolts()
//
// Return the level of the PSU (in mV) or -ve if error.
//
{
return(0);
}
void DWinsSDIOPsu::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 DWinsSDIOPsu::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=5;
anInfo.iInactivityTimeOut=10;
}