sdhc.cpp

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		SlotNumber.u.bits.DeviceNumber = dpi.dwDeviceNumber;
		SlotNumber.u.bits.FunctionNumber = 1;

		HalGetBusDataByOffset( PCIConfiguration,
							   wini.dwBusNumber,
							   SlotNumber.u.AsULONG,
							   &RetVal,
							   0x84,
							   sizeof( RetVal ) );

		if (!(RetVal & 0x00200000)) {
			RetVal |= 0x00200000;
			HalSetBusDataByOffset( PCIConfiguration,
								   wini.dwBusNumber,
								   SlotNumber.u.AsULONG,
								   &RetVal,
								   0x84,
								   sizeof( RetVal ) );
		}
	}
#endif

    // Sanity check ISR
    if (isri.dwSysintr == SYSINTR_NOP) {
        DEBUGMSG(SDCARD_ZONE_ERROR, (_T("%s No sysintr specified in registry\r\n"),
            pszFname));
        goto EXIT;
    }

    if (isri.szIsrDll[0] != 0) {
        if ( (isri.szIsrHandler[0] == 0) || (isri.dwIrq == IRQ_UNSPECIFIED) ) {
            DEBUGMSG(SDCARD_ZONE_ERROR, (_T("%s Invalid installable ISR information in registry\r\n"),
                pszFname));
            goto EXIT;
        }
    }

    m_interfaceType = (INTERFACE_TYPE) wini.dwInterfaceType;
    m_dwBusNumber = wini.dwBusNumber;

    DWORD dwSlotZeroWindow;
    dwSlotZeroWindow = DetermineFirstSlotWindow(&wini);

    DEBUGCHK(dwSlotZeroWindow < wini.dwNumMemWindows);
    DEBUGCHK( (dwSlotZeroWindow + m_cSlots) <= wini.dwNumMemWindows );

    // Use the slot zero window for the ISR
    PDEVICEWINDOW pWindowSlotZero = &wini.memWindows[dwSlotZeroWindow];
    PortAddress.LowPart = pWindowSlotZero->dwBase;
    PortAddress.HighPart = 0;

    // Install an ISR, if present
    if (isri.szIsrDll[0] != 0) {
        m_hISRHandler = LoadIntChainHandler(isri.szIsrDll, isri.szIsrHandler, 
            (BYTE) isri.dwIrq);

        if (m_hISRHandler == NULL) {
            DEBUGMSG(SDCARD_ZONE_ERROR, (_T("%s Error installing ISR\r\n"), pszFname));
            goto EXIT;
        } 
        else {
            GIISR_INFO  Info;
            DWORD       dwPhysAddr;

            fRet = BusTransBusAddrToStatic(m_hBusAccess, 
                (INTERFACE_TYPE) wini.dwInterfaceType,
                wini.dwBusNumber, PortAddress, pWindowSlotZero->dwLen,
                &inIoSpace, (PVOID *) &dwPhysAddr);
            if (fRet == FALSE) {
                DEBUGMSG(SDCARD_ZONE_ERROR,
                    (_T("%s Error translating bus address to static address\r\n"), 
                    pszFname));
                goto EXIT;
            }

            // Initialize ISR
            Info.SysIntr = isri.dwSysintr;
            Info.CheckPort = TRUE;
            Info.PortIsIO = (inIoSpace != 0);
            Info.UseMaskReg = FALSE;
            Info.PortAddr = dwPhysAddr + SDHC_SLOT_INT_STATUS;
            Info.PortSize = sizeof(USHORT);
            Info.Mask = 0xFF;

            fRet = KernelLibIoControl(m_hISRHandler, IOCTL_GIISR_INFO, &Info, 
                sizeof(Info), NULL, 0, NULL);
            if (fRet == FALSE) {
                DEBUGMSG(SDCARD_ZONE_ERROR, (_T("%s Error setting up ISR\r\n"), pszFname));
                goto EXIT;
            }
        }
    }

    m_dwSysIntr = isri.dwSysintr;
    DEBUGMSG(SDCARD_ZONE_INIT, (_T("%s IRQ 0x%X mapped to SYS_INTR 0x%X\r\n"), 
        pszFname, isri.dwIrq, m_dwSysIntr));

    const DWORD dwEndWindow = dwSlotZeroWindow + m_cSlots;

    for (DWORD dwWindow = dwSlotZeroWindow; dwWindow < dwEndWindow; ++dwWindow) {
        DEBUGCHK(dwWindow < wini.dwNumMemWindows);
        PDEVICEWINDOW pWindowSD = &wini.memWindows[dwWindow];

        DEBUGMSG(SDCARD_ZONE_INIT,
            (_T("%s Base address -> 0x%x; length -> 0x%x \r\n"),
            pszFname, pWindowSD->dwBase, pWindowSD->dwLen));

        PortAddress.LowPart = pWindowSD->dwBase;
        PortAddress.HighPart = 0;

        inIoSpace = 0;
        PVOID pvRegisters;
        DEBUGCHK(pWindowSlotZero->dwLen >= sizeof(SSDHC_REGISTERS));

        fRet = BusTransBusAddrToVirtual(m_hBusAccess, 
            (INTERFACE_TYPE) wini.dwInterfaceType,
            wini.dwBusNumber, PortAddress, pWindowSD->dwLen, &inIoSpace, 
            &pvRegisters);
        if (fRet == FALSE) {
            DEBUGMSG(SDCARD_ZONE_ERROR,
                (_T("%s error translating SD address \r\n"),
                pszFname));
            goto EXIT;
        }

        DEBUGCHK(inIoSpace == 0); // Will not work for I/O mappings.

        DWORD dwSlot = dwWindow - dwSlotZeroWindow;
        DEBUGCHK(dwSlot < m_cSlots);
        m_pSlotInfos[dwSlot].pucRegisters = (volatile UCHAR*) pvRegisters;
        m_pSlotInfos[dwSlot].dwExtraInfo = pWindowSD->dwLen;
    }

    m_fHardwareInitialized = TRUE;
    fRet = TRUE;

EXIT:
    return fRet;
}


BOOL 
CSDHCBase::DeinitializeHardware(
                                )
{
    DEBUGCHK(m_hBusAccess);
    PREFAST_DEBUGCHK(m_pSlotInfos);
    ValidateSlotCount();

    for (DWORD dwSlot = 0; dwSlot < m_cSlots; ++dwSlot) {
        PVOID pvRegisters = (PVOID) m_pSlotInfos[dwSlot].pucRegisters;
        DWORD dwLen = m_pSlotInfos[dwSlot].dwExtraInfo;
        if (pvRegisters) MmUnmapIoSpace(pvRegisters, dwLen);
    }

    if (m_hISRHandler) FreeIntChainHandler(m_hISRHandler);

    return TRUE;
}


DWORD
CSDHCBase::IST()
{
    SETFNAME(_T("IST"));

    DEBUGMSG(SDCARD_ZONE_INIT, (TEXT("%s Thread Starting\n"), pszFname));

    if (!CeSetThreadPriority(GetCurrentThread(), m_dwPriority)) {
        DEBUGMSG(SDCARD_ZONE_WARN, (TEXT("%s Failed to set CEThreadPriority\n"),
            pszFname));
    }

    while (TRUE) {
        DEBUGCHK(m_hevInterrupt);
        DWORD dwWaitStatus = WaitForSingleObject(m_hevInterrupt, INFINITE);
        Validate();

        if (WAIT_OBJECT_0 != dwWaitStatus) {
            DEBUGMSG(SDCARD_ZONE_WARN, (TEXT("%s Wait Failed! 0x%08X\n"), 
                pszFname, dwWaitStatus));
            // bail out
            break;
        }
        else if (m_fDriverShutdown) {
            break;
        }
        else {
            HandleInterrupt();
            InterruptDone(m_dwSysIntr);
        }
    }

    DEBUGMSG(SDCARD_ZONE_INIT, (TEXT("%s Thread Exiting\n"), pszFname));

    return 0;
}


VOID 
CSDHCBase::HandleInterrupt(
                           ) 
{
    Lock();

    // Use slot zero to get the shared global interrupt register
    PCSDHCSlotBase pSlotZero = GetSlot(0);
    DWORD dwIntStatus = pSlotZero->ReadControllerInterrupts();

    do {
        DEBUGMSG(SDHC_INTERRUPT_ZONE, (TEXT("CSDHCBase::HandleInterrupt: Slot Interrupt_Status=0x%X\n"), 
            dwIntStatus));

        for (DWORD dwSlot = 0; dwSlot < m_cSlots; ++dwSlot) {
            PCSDHCSlotBase pSlot = GetSlot(dwSlot);

            if ( ((1 << dwSlot) & dwIntStatus) || pSlot->NeedsServicing() ) {
                pSlot->HandleInterrupt();
            }
        }

        dwIntStatus = pSlotZero->ReadControllerInterrupts();
		// 08.01.28 by KYS
		// In order to prevent infinite CARD INT occuring, below code is needed because of the architecture of HSMMC on s3c6410.
		// this process was copied from CE6.0.
 		if(dwIntStatus && pSlotZero->IsOnlySDIOInterrupt()) break;	// copied from CE6.0 by KYS
    } while (dwIntStatus);

    Unlock();
}


DWORD
CSDHCBase::DetermineSlotCount(
                              )
{
    SETFNAME(_T("DetermineSlotCount"));

    DWORD cSlots = 0;

    // Read window information
    DDKWINDOWINFO wini = { sizeof(wini) };
    DWORD dwStatus = DDKReg_GetWindowInfo(m_regDevice, &wini);
    if (dwStatus != ERROR_SUCCESS) {
        DEBUGMSG(SDCARD_ZONE_ERROR, (_T("%s Error getting window information\r\n"),
            pszFname));
        goto EXIT;
    }

    cSlots = wini.dwNumMemWindows;

    if (cSlots == 0) {
        DEBUGMSG(SDCARD_ZONE_ERROR, (_T("%s There were not any reported slots.\r\n"),
            pszFname));
        goto EXIT;
    }

EXIT:
    return cSlots;
}




DWORD 
CSDHCBase::DetermineFirstSlotWindow(
                                    PDDKWINDOWINFO pwini
                                    )
{
    PREFAST_DEBUGCHK(pwini);
    DEBUGCHK(pwini->dwNumMemWindows >= m_cSlots);
    DEBUGCHK(pwini->dwNumMemWindows > 0);

    DWORD dwSlotZeroWindow = 0;

    return dwSlotZeroWindow;
}


CEDEVICE_POWER_STATE
CSDHCBase::DetermineRequiredControllerPowerState(
    )
{
    CEDEVICE_POWER_STATE cps = (CEDEVICE_POWER_STATE)D4;

    for (DWORD dwSlot = 0; dwSlot < m_cSlots; ++dwSlot) {
        PCSDHCSlotBase pSlot = GetSlot(dwSlot);
        cps = min(cps, pSlot->GetPowerState());
    }

    return cps;
}


SD_API_STATUS
CSDHCBase::SetControllerPowerState(
                                   CEDEVICE_POWER_STATE cpsNew
                                   )
{
    if (cpsNew != m_cpsCurrent) {
        switch (cpsNew) {
        case D0:
        case D4:
            KernelIoControl(IOCTL_HAL_DISABLE_WAKE, &m_dwSysIntr, 
                sizeof(m_dwSysIntr), NULL, 0, NULL);
            break;

        case D3:
            KernelIoControl(IOCTL_HAL_ENABLE_WAKE, &m_dwSysIntr, 
                sizeof(m_dwSysIntr), NULL, 0, NULL);
            break;
        }

        SetDevicePowerState(m_hBusAccess, cpsNew, NULL);
        m_cpsCurrent = cpsNew;
    }

    return SD_API_STATUS_SUCCESS;
}


#ifdef DEBUG
VOID 
CSDHCBase::Validate(
                    )
{
    DEBUGCHK(m_regDevice.IsOK());
    DEBUGCHK(m_hBusAccess);
    ValidateSlotCount();
    DEBUGCHK(m_pSlots);
    DEBUGCHK(m_pSlotInfos);
    DEBUGCHK(m_pHCDContext);
    DEBUGCHK(m_dwBusNumber != INVALID_BUS_NUMBER);
    DEBUGCHK(m_interfaceType != InterfaceTypeUndefined);
    DEBUGCHK(m_dwSysIntr != SYSINTR_UNDEFINED);
    DEBUGCHK(VALID_DX(m_cpsCurrent));

    if (m_fRegisteredWithBusDriver && !m_fDriverShutdown) {
        DEBUGCHK(m_htIST);
        DEBUGCHK(m_fHardwareInitialized);
        DEBUGCHK(m_fInterruptInitialized);
    }
}
#endif


// Get the creation proc address and call it
PCSDHCBase
CSDHCBase::CreateSDHCControllerObject(
    LPCTSTR pszActiveKey
    )
{
    PCSDHCBase pSDHC = NULL;
    HKEY hkDevice = OpenDeviceKey(pszActiveKey);

    if (hkDevice) {
        CReg regDevice(hkDevice, _T(""));
        DEBUGCHK(regDevice.IsOK());
        TCHAR szDll[MAX_PATH];

        if (regDevice.ValueSZ(DEVLOAD_DLLNAME_VALNAME, szDll, dim(szDll))) {
            szDll[dim(szDll) - 1] = 0; // Null-terminate
            
            TCHAR szProc[MAX_PATH];

            if (regDevice.ValueSZ(SDHC_CREATION_PROC_KEY, szProc, dim(szProc))) {
                szProc[dim(szProc) - 1] = 0; // Null-terminate
                
                HMODULE hMod = LoadLibrary(szDll);
                if (hMod) {
                    LPSDHC_CREATION_PROC pfnCreate = (LPSDHC_CREATION_PROC)
                        GetProcAddress(hMod, szProc);
                    if (pfnCreate) {
                        pSDHC = (*pfnCreate)();
                    }
                    
                    FreeLibrary(hMod);
                }
            }
        }

        RegCloseKey(hkDevice);
    }

    return pSDHC;
}


///////////////////////////////////////////////////////////////////////////////
//  SDHCInitialize - Initialize the the controller
//  Input:  pHCContext -  host controller context
//          
//  Output: 
//  Return: SD_API_STATUS
//  Notes:  
//          
///////////////////////////////////////////////////////////////////////////////
SD_API_STATUS CSDHCBase::SDHCInitialize(PSDCARD_HC_CONTEXT pHCContext)
{
    DEBUGMSG(SDCARD_ZONE_INIT,(TEXT("SDHCInitialize++\n")));

    PREFAST_DEBUGCHK(pHCContext);
    PCSDHCBase pController = GET_PCONTROLLER_FROM_HCD(pHCContext);
    PREFAST_DEBUGCHK(pController);
    SD_API_STATUS status = pController->Start();

    DEBUGMSG(SDCARD_ZONE_INIT,(TEXT("SDHCInitialize--\n")));

    return status;
}


///////////////////////////////////////////////////////////////////////////////
//  SDHCDeinitialize - Deinitialize the SDHC Controller
//  Input:  pHCContext - HC context
//          
//  Output: 
//  Return: SD_API_STATUS
//  Notes:  
//          
//
///////////////////////////////////////////////////////////////////////////////
SD_API_STATUS CSDHCBase::SDHCDeinitialize(PSDCARD_HC_CONTEXT pHCContext)
{
    DEBUGMSG(SDCARD_ZONE_INIT,(TEXT("SDHCDeinitialize++\n")));

    PREFAST_DEBUGCHK(pHCContext);
    PCSDHCBase pController = GET_PCONTROLLER_FROM_HCD(pHCContext);
    PREFAST_DEBUGCHK(pController);
    SD_API_STATUS status = pController->Stop();

    DEBUGMSG(SDCARD_ZONE_INIT,(TEXT("SDHCDeinitialize--\n")));

    return status;
}


///////////////////////////////////////////////////////////////////////////////
//  SDHCSDCancelIoHandler - io cancel handler 
//  Input:  pHostContext - host controller context
//          dwSlot - slot the request is going on
//          pRequest - the request to be cancelled
//          
//  Output: 
//  Return: TRUE if I/O was cancelled
//  Notes:  
//          the HC lock is taken before entering this cancel handler
//
///////////////////////////////////////////////////////////////////////////////
BOOLEAN 
CSDHCBase::SDHCCancelIoHandler(
                    PSDCARD_HC_CONTEXT  pHCContext,
                    DWORD               dwSlot,
                    PSD_BUS_REQUEST     pRequest
                    )
{
    PREFAST_DEBUGCHK(pHCContext);
    PCSDHCBase pController = GET_PCONTROLLER_FROM_HCD(pHCContext);
    PREFAST_DEBUGCHK(pController);
    return pController->CancelIoHandler(dwSlot, pRequest);
}


///////////////////////////////////////////////////////////////////////////////
//  SDHCBusRequestHandler - bus request handler 
//  Input:  pHostContext - host controller context
//          dwSlot - slot the request is going to
//          pRequest - the request
//          
//  Output: 
//  Return: SD_API_STATUS
//  Notes:  The request passed in is marked as uncancelable, this function
//          has the option of making the outstanding request cancelable    
//          returns status pending
///////////////////////////////////////////////////////////////////////////////
SD_API_STATUS 
CSDHCBase::SDHCBusRequestHandler(
                      PSDCARD_HC_CONTEXT pHCContext, 
                      DWORD              dwSlot, 
                      PSD_BUS_REQUEST    pRequest
                      ) 
{
    PREFAST_DEBUGCHK(pHCContext);
    PCSDHCBase pController = GET_PCONTROLLER_FROM_HCD(pHCContext);
    PREFAST_DEBUGCHK(pController);
    return pController->BusRequestHandler(dwSlot, pRequest);
}

///////////////////////////////////////////////////////////////////////////////
//  SDHCSlotOptionHandler - handler for slot option changes
//  Input:  pHostContext - host controller context
//          dwSlot       - the slot the change is being applied to
//          Option       - the option code
//          pData        - data associaSHC with the option
//  Output: 
//  Return: SD_API_STATUS
//  Notes:  
///////////////////////////////////////////////////////////////////////////////
SD_API_STATUS 
CSDHCBase::SDHCSlotOptionHandler(
                      PSDCARD_HC_CONTEXT    pHCContext,
                      DWORD                 dwSlot, 
                      SD_SLOT_OPTION_CODE   sdOption, 
                      PVOID                 pData,
                      ULONG                 ulOptionSize
                      )
{
    PCSDHCBase pController = GET_PCONTROLLER_FROM_HCD(pHCContext);
    PREFAST_DEBUGCHK(pController);
    return pController->SlotOptionHandler(dwSlot, sdOption, pData, ulOptionSize);
}


// DO NOT REMOVE --- END EXTERNALLY DEVELOPED SOURCE CODE ID --- DO NOT REMOVE