pcmsock.cpp

WinCE5.0BSP for Renesas SH7770

        else if( ( pState->fVcc & SOCK_VCC_LEVEL_MASK ) >=
                 PCMCIA_POWER_ENTRIES ||
                 !( CPCCardBusBridge::cs_rgPowerEntries[pState->fVcc & SOCK_VCC_LEVEL_MASK].fSupply & PWR_SUPPLY_VCC ) )
        {
            pState->fVcc = m_SockState.fVcc;
            status = CERR_BAD_VCC;
        }
        else
        {
            BYTE oldfVcc = m_SockState.fVcc;
            BYTE olduVpp = m_SockState.uVpp1;
            if( ( pState->fVcc & SOCK_VCC_LEVEL_MASK ) !=
                ( m_SockState.fVcc & SOCK_VCC_LEVEL_MASK ) )
            {
                m_SockState.fVcc = pState->fVcc;
            }
            if( ( pState->uVpp1 & SOCK_VCC_LEVEL_MASK ) !=
                ( m_SockState.uVpp1 & SOCK_VCC_LEVEL_MASK ) )
            {
                if( ( pState->uVpp1 & SOCK_VCC_LEVEL_MASK ) >=
                    PCMCIA_POWER_ENTRIES ||
                    !( CPCCardBusBridge::cs_rgPowerEntries[pState->uVpp1 & SOCK_VCC_LEVEL_MASK].fSupply & PWR_SUPPLY_VPP1 ) )
                    pState->uVpp1 = m_SockState.uVpp1;
                m_SockState.uVpp1 = pState->uVpp1;
                if( CPCCardBusBridge::cs_rgPowerEntries[m_SockState.uVpp1 & SOCK_VCC_LEVEL_MASK].uPowerLevel !=
                    0 &&
                    CPCCardBusBridge::cs_rgPowerEntries[m_SockState.uVpp1 & SOCK_VCC_LEVEL_MASK].uPowerLevel !=
                    120 )
                {
                    // VPP is same as VCC.
                    m_SockState.uVpp1 = m_SockState.fVcc;
                }
            }
            if( ( oldfVcc != m_SockState.fVcc || olduVpp != m_SockState.uVpp1 ) && 
                m_pBridge->IsValidPowerSetting( m_SockState.fVcc, m_SockState.uVpp1 ) )
            {
                m_pBridge->EnableClientInterrupt( m_nSlot, FALSE );
                if( CPCCardBusBridge::cs_rgPowerEntries[m_SockState.fVcc & SOCK_VCC_LEVEL_MASK].uPowerLevel ==
                    0 )
                {
                    DEBUGMSG( ZONE_PDD,
                              ( TEXT( "PDCardSetSocket  PCMSocket. Socket is Power Down! Function Interrupt Routing will force to Off\r\n" ) ) );
                    m_SockState.dwInteruptStatus &= ~SOCK_INT_FUNC_IRQ_ROUTING;
                    m_pBridge->ApplyEnable(m_nSlot, FALSE);
                    m_pBridge->ApplyPower( m_nSlot, 0, 0 );
                }
                else
                {
                    PowerOnProcedure( m_SockState.fVcc, m_SockState.uVpp1 );
                    m_pBridge->EnableClientInterrupt( m_nSlot, ( m_SockState.dwInteruptStatus & SOCK_INT_FUNC_IRQ_ROUTING ) !=
                                                      0 );
                    DEBUGMSG( ZONE_PDD,
                              ( TEXT( "PDCardSetSocket  PCMSocket. Socket is Power Up with fVcc=%d\r\n" ),
                                m_SockState.fVcc ) );
                }
            }
            else
            {
                DEBUGMSG( ZONE_PDD,
                          ( TEXT( "PDCardSetSocket  PCMSocket. Same Power with fVcc=%d and uVpp1\r\n" ),
                            m_SockState.fVcc,
                            m_SockState.uVpp1 ) );
                if( oldfVcc != m_SockState.fVcc ||
                    olduVpp != m_SockState.uVpp1 )
                {
                    DEBUGMSG( ZONE_PDD |
                              ZONE_ERROR,
                              ( TEXT( "PDCardSetSocket  PCMSocket. Unsported Power with fVcc=%d and uVpp1\r\n" ),
                                m_SockState.fVcc,
                                m_SockState.uVpp1 ) );
                    m_SockState.fVcc = oldfVcc;
                    m_SockState.uVpp1 = olduVpp;
                    status = CERR_BAD_VCC;
                }
            }
        }
    }
    else
    {
        status = CERR_BAD_SOCKET;
    }
    Unlock();
    return status;
}
//
// ResetSocket - do a PCMCIA reset
// return CERR_SUCCESS on success, CERR_UNSUPPORTED_SERVICE if size is anomolous
//
STATUS CPCardSocket::CardResetSocket()
{
    DEBUGMSG( ZONE_SOCKET, ( TEXT( "!ResetPCMCIASocket()\r\n" ) ) );

    // set INT_CARD_NOT_RESET in INTERRUPT_AND_GENERAL_CONTROL register as directed
    Lock();
    STATUS status = CERR_SUCCESS;
    if( m_pBridge )
    {
        if( m_pBridge->IsCardInserted(m_nSlot) )
        {
            BYTE uVcc = m_pBridge->GetVSPinOut(m_nSlot);
            BYTE uVpp = 0;

            //
            // Power the socket
            //
            DEBUGMSG( ZONE_SOCKET,
                      ( TEXT( "CPCardSocket::CardResetSocket: Initial Power on is uVcc=%d \r\n" ),  uVcc ) );
            PowerOnProcedure( uVcc, uVpp );            
            m_SockState.fVcc = uVcc;
            m_SockState.uVpp1 = uVpp;
            m_SockState.uVpp2 = uVpp;
            m_pBridge->SetInterruptEvent( m_nSlot, PCMCIA_INTERRUPT_POWER );
        }
        else
        {
            status = CERR_NO_CARD;
        }
    }
    else
    {
        status = CERR_BAD_SOCKET;
    }
    DEBUGMSG( ZONE_SOCKET,
              ( TEXT( "-MRSHPC!ResetPCMCIASocket() return status =%x\r\n" ),
                status ) );
    Unlock();
    return status;
}
void CPCardSocket::PowerOnProcedure( UINT8 fVcc, UINT8 fVpp )
{
    DEBUGMSG( ZONE_SOCKET,
              ( TEXT( "+PCMCIA!PCMSocket:PowerOnProcedure fVcc=%d,fVpp=%d\r\n" ), fVcc,fVpp ) );
    m_pBridge->ApplyEnable(m_nSlot, FALSE ) ;
    m_pBridge->ApplyPower( m_nSlot, 0 , 0 );
    
    Sleep(310);
    if (!m_pBridge->ApplyPower(m_nSlot,fVcc,fVpp)) {
        DEBUGCHK(FALSE);
        DEBUGMSG( ZONE_POWER, (TEXT("PowerOnProcedure fVcc (%d) & fVpp(%d) combo does not exist!\r\n"),fVcc,fVpp ) );
        return ;
    }
    Sleep(100);
    m_pBridge->ApplyEnable(m_nSlot,TRUE);
    m_pBridge->ApplyReset(m_nSlot, TRUE);
    Sleep(20);
    m_pBridge->ApplyReset(m_nSlot, FALSE);
    for (DWORD dwCount = 0; dwCount < 10 * 1000 / 20; dwCount++) {
        if (m_pBridge->IsCardReady( m_nSlot ))
            break;
		Sleep(20);
    }
    //m_pBridge->SetInterruptEvent( m_nSlot, PCMCIA_INTERRUPT_POWER );
    DEBUGMSG( ZONE_PDD, ( TEXT( "-PCMCIA!PCMSocket:PowerOnProcedure return with Ready = %d \r\n" ),m_pBridge->IsCardReady( m_nSlot ) ) );
}

UINT16 CPCardSocket::GetSocketNumber()
{
    return m_pBridge->GetSocketNumber(m_nSlot) ;
};

void CPCardSocket::PowerMgrCallback( BOOL bPowerOff )
{
    SS_SOCKET_STATE sSocketState = m_SockState;
    sSocketState.dwEventChanged = SOCK_EVENT_SUSPEND_RESUME;
    sSocketState.dwEventStatus = ( bPowerOff ?
                                   SOCK_EVENT_CD :
                                   ( SOCK_EVENT_CD |
                                     SOCK_EVENT_SUSPEND_RESUME ) );
    m_pBridge->CallBackToCardService( m_nSlot, GetSocketHandle(), &sSocketState );
}

void CPCardSocket::PowerMgr( BOOL bPowerDown )
{
    if( bPowerDown )
    {
        // Power Off Socket If it is applied.
        PowerMgrCallback( bPowerDown );
        if( ( m_SockState.dwInteruptStatus & SOCK_INT_FUNC_IRQ_WAKE ) == 0 )
        {
            // We can shud down this function card
            m_pBridge->EnableClientInterrupt( m_nSlot, FALSE );
            m_pBridge->ApplyPower( m_nSlot, 0, 0 );
            m_pBridge->ApplyEnable(m_nSlot, FALSE );
            m_bResuming = TRUE;
        }
    }
    else
    {
        if( m_bResuming )
        {
            if( ! m_pBridge->ApplyPower( m_nSlot, m_SockState.fVcc, m_SockState.uVpp1 ) )
            {
                DEBUGCHK( FALSE );
                DEBUGMSG( ZONE_ERROR,
                          ( TEXT( "+PCMCIA!PCMSocket:PowerOnProcedure fVcc(%d) & fVpp(%d) combo does not exist!\r\n" ),
                            m_SockState.fVcc,
                            m_SockState.uVpp1 ) );
            }
            m_pBridge->NeedPowerResuming();
        }
        else
        {
            PowerMgrCallback( bPowerDown );
        }
    }
}
BOOL CPCardSocket::Resuming() // This routine can not call sleep because it could endup yeild to other thread.
{
    if( m_bResuming )
    {
        Lock();
        DWORD dwStartTickCount = GetTickCount();
        // Wait for 100MS for power set .
        while( GetTickCount() - dwStartTickCount < 100 )
            Sleep( 0 ); //Yeild among same priority thread.
        //Assert Resetting.
        m_pBridge->ApplyEnable(m_nSlot, TRUE );
        m_pBridge->ApplyReset( m_nSlot, TRUE );
        dwStartTickCount = GetTickCount();
        while( GetTickCount() - dwStartTickCount < 20 )
            Sleep( 0 ); //Yeild among same priority thread.
        // Deassert Reset.
        m_pBridge->ApplyReset( m_nSlot, FALSE );
        dwStartTickCount = GetTickCount();
        while( GetTickCount() - dwStartTickCount < 20 )
            Sleep( 0 ); //Yeild among same priority thread.
        m_bResuming = FALSE;
        dwStartTickCount = GetTickCount();
        while( GetTickCount() - dwStartTickCount < 1000 )
        {
            // Check for one second.
            if( m_pBridge->IsCardReady(m_nSlot) )
                break;
            Sleep( 0 );
        };
        if( m_pBridge->IsCardReady(m_nSlot) == 0 )
            DEBUGMSG( ZONE_ERROR,
                      ( TEXT( "PCMSocket::Resuming: Power is not on yet!!!!\r\n" ) ) );
        // Enabler the IRQ routing if we need.
        m_pBridge->EnableClientInterrupt( m_nSlot, ( m_SockState.dwInteruptStatus & SOCK_INT_FUNC_IRQ_ROUTING ) !=
                                          0 );
        PowerMgrCallback( FALSE );
        Unlock();
        return TRUE;
    }
    return FALSE;
}

void CPCardSocket::SocketEventHandle( int nSlot, WORD wStateChange, WORD wState, PCMCIA_INTERRUPT_EVENT otherEvent )
{
    SS_SOCKET_STATE sSockState;
    Lock();

    // get the current socket state
    CardGetSocket( &sSockState );

    // indicate the powercycle event if appropriate
    if( otherEvent == PCMCIA_INTERRUPT_POWER )
    {
        sSockState.dwEventChanged |= SOCK_EVENT_PWRCYCLE;
        sSockState.dwEventStatus |= SOCK_EVENT_PWRCYCLE;
    }

    // we do not report the CD events here
    //sSockState.dwEventStatus &= ~SOCK_EVENT_CD;
    sSockState.dwEventChanged &= ~SOCK_EVENT_CD;

    Unlock();

    // send the notification to socket services
    m_pBridge->CallBackToCardService( m_nSlot, GetSocketHandle(), &sSockState );
}

CPCardSocket* CreatePCMCIASocket( int nSlot, CPCCardBusBridge* pBridge )
{
    CPCardSocket* pNewSocket = new CPCardSocket( nSlot, pBridge );
    if( pNewSocket != NULL )
    {
        if( pNewSocket->CardInitWindow( pNewSocket, nSlot ) )
        {
            return pNewSocket;
        }
        else
        {
            delete pNewSocket;
        }
    }
    return NULL;
}

BOOL CPCardSocket::EnableWindow()
{
	return m_pBridge->EnableWindow( m_nSlot );
}