pcmciasock.cpp

Microsoft WinCE 6.0 BSP FINAL release source code for use with the i.MX27ADS TO2 WCE600_FINAL_MX27_S

/*
 *
 * Copyright (C) 2003-2004, MOTOROLA, INC. All Rights Reserved
 * THIS SOURCE CODE IS CONFIDENTIAL AND PROPRIETARY AND MAY NOT
 * BE USED OR DISTRIBUTED WITHOUT THE WRITTEN PERMISSION OF
 * MOTOROLA, INC.
 *
 * Copyright (C) 2004-2006, Freescale Semiconductor, Inc. All Rights Reserved.
 * THIS SOURCE CODE, AND ITS USE AND DISTRIBUTION, IS SUBJECT TO THE TERMS
 * AND CONDITIONS OF THE APPLICABLE LICENSE AGREEMENT 
 *
 */
 
#define __PCMCIASOCK_CPP__
#include "pcmciasock.h"

#define SOCKET_DELAY_MULTIPLIER        1000

#define SOCKETDelay(delayTime)      \
{                                                               \
    volatile UINT32 delay = delayTime * SOCKET_DELAY_MULTIPLIER;   \
    while(delay--);                                             \
}

CPcmciaSocket::CPcmciaSocket( CPcmciaBusBridge* pBridge ) : CPCMCIASocketBase<CPcmciaMemWindows, CPcmciaIoWindows, CStaticWindowBridgeContainer<CPcmciaBusBridge>, CPcmciaBusBridge>( pBridge )
{
	DEBUGMSG( ZONE_PDD, ( TEXT( "+CPcmciaSocket::CPcmciaSocket\r\n" ) ) );

    m_dwSocketIndex = 0;
    while( m_dwSocketIndex == 0 )
    {
        m_dwSocketIndex = ( DWORD )
                          InterlockedIncrement( ( LONG * ) &ms_dwSocketLastIndex ); 
        //Make it if it does not exist.
        CPcmciaSocket* pSocket = GetSocket( ( HANDLE ) m_dwSocketIndex );
        if( pSocket != NULL )
        {
            // Duplicated , Retry.
            m_dwSocketIndex = 0;
            pSocket->DeRef();
        }
    }

    DEBUGCHK( m_pBridge );
    while( m_pBridge->LockOwner( 1000 ) != TRUE )
    {
        DEBUGCHK( FALSE );
    }

	m_SocketState = ms_SocketInitState;
	m_SocketInfo = ms_SocketInitInfo;

    if( pBridge->GetClientIrq() == -1 )
    {
        m_SocketInfo.dwSocketCaps |= SOCK_CAP_ONLY_SYSINTR;
    }

	for( DWORD dwIndex = 0; dwIndex < IRQ_ROUTINGTABLE_SIZE; dwIndex++ )
    {
        if( m_SocketInfo.dwSocketCaps & SOCK_CAP_ONLY_SYSINTR )
       		m_SocketInfo.bArrayIrqRouting[dwIndex] = ( BYTE )pBridge->GetClientSysInt();
		else
       		m_SocketInfo.bArrayIrqRouting[dwIndex] = ( BYTE )pBridge->GetClientIrq();
			
    }

	m_SocketInfo.dwNumOfPowerEntry = NUM_POWER_ENTRIES;
    m_SocketInfo.dwNumOfWindows = 	pBridge->GetMemWindowCount() +
                                          			pBridge->GetIoWindowCount();
    m_SocketInfo.dwBusNumber = 0;		

    DEBUGMSG( ZONE_PDD, ( TEXT( "-CPcmciaSocket::CPcmciaSocket m_dwSocketIndex=%d\r\n" ), m_dwSocketIndex ) );
}

CPcmciaSocket::~CPcmciaSocket()
{
    	DEBUGMSG( ZONE_PDD, ( TEXT( "+++CPcmciaSocket::~CPcmciaSocket  m_dwSocketIndex=%d\n" ), m_dwSocketIndex) );
    	Lock();
    	BOOL bInitWindow = CardDeInitWindow();
    	DEBUGCHK( bInitWindow );

    	Unlock();
    	DEBUGMSG( ZONE_PDD, ( TEXT( "---CPcmciaSocket::~CPcmciaSocket\n" ) ) );

		m_pBridge->ReleaseOwner();

}


STATUS CPcmciaSocket::GetPowerEntry( PDWORD pdwNumOfEnery,
                                         PSS_POWER_ENTRY pPowerEntry )
{
    STATUS status = CERR_BAD_ARGS;
    if( pdwNumOfEnery != NULL && pPowerEntry != NULL )
    {
        DWORD dwNumOfCopied = min( *pdwNumOfEnery, NUM_POWER_ENTRIES );
        if( dwNumOfCopied != 0 )
        {
            memcpy( pPowerEntry,
                    m_rgPowerEntries,
                    dwNumOfCopied * sizeof( SS_POWER_ENTRY ) );
            *pdwNumOfEnery = dwNumOfCopied;
            status = CERR_SUCCESS;
        }
    }
    return status;
}

STATUS CPcmciaSocket::CardInquireSocket( PSS_SOCKET_INFO pSocketInfo )
{
	if( pSocketInfo )
	{
		*pSocketInfo = m_SocketInfo;
		return CERR_SUCCESS;
	}
	else
	{
		return CERR_BAD_ARGS;
	}
}

//
// GetSocket - return Socket state
// [In/Out] pBuf - pointer to SS_SOCKET_STATE struct
// [In/Out] pnBuf - pointer to size of struct pointed to by pBuf
// return CERR_SUCCESS on success, CERR_UNSUPPORTED_SERVICE if size is anomolous
//

STATUS CPcmciaSocket::CardGetSocket( PSS_SOCKET_STATE pState )
{
	Lock();	
	if( pState )
	{
		DWORD dwStatusChange, dwStatus, dwErrStatus;

		DEBUGMSG( ZONE_PDD,
              	( TEXT( "==>CPcmciaSocket::CardGetSocket: eventchanged=0x%x eventstatus=0x%x,dwEventMask=0x%x \r\n \t PSCR=0x%X PIPR=0x%X\r\n" ),
                	pState->dwEventChanged,
                	pState->dwEventStatus,
                	pState->dwEventMask,
                	GET_CARD_STATUS_CHANGE(),
                	GET_CARD_STATUS()) );
                	
           	// Clear Event State
		m_SocketState.dwEventStatus = 0;
		m_SocketState.dwEventChanged = 0;

		// Check PCMCIA Status Change Register (PSCR)
		dwStatusChange = GET_CARD_STATUS_CHANGE();

		DEBUGMSG(ZONE_PDD,(TEXT("\t\r\n==Card Status Change:\t\n")));			
			
		// CDC1 CDC2:	Card Detect1/2 Changed
		if(IS_CARDDETEC_CHANGE(dwStatusChange)){
			DEBUGMSG(ZONE_PDD,(TEXT("\tSOCK_EVENT_CD\t\n")));			
			m_SocketState.dwEventChanged |= SOCK_EVENT_CD;
		}
		
		// BVDC2: Batt Voltage Detect 2 / Speaker-In Changed
		if(IS_BVD2_CHANGE(dwStatusChange)){
			DEBUGMSG(ZONE_PDD, (TEXT("\tSOCK_EVENT_BVD2\r\n")));
			m_SocketState.dwEventChanged |= SOCK_EVENT_BVD2;
		}
		
		// BVDC2: Batt Voltage Detect 1 / STSCHG Changed
		if(IS_BVD1_CHANGE(dwStatusChange)){
			DEBUGMSG(ZONE_PDD, (TEXT("\tSOCK_EVENT_BVD1\r\n")));
			m_SocketState.dwEventChanged |= SOCK_EVENT_BVD1;
		}
		
		// WPC: Write Protect Changed
		if(IS_WP_CHANGE(dwStatusChange)){
			DEBUGMSG(ZONE_PDD, (TEXT("\tSOCK_EVENT_WP\r\n")));
			m_SocketState.dwEventChanged |= SOCK_EVENT_WP;				
		}
		
		// RDYH: Ready Low
//		if(IS_READY_IREQ_CHANGE(dwStatusChange)){
//			DEBUGMSG(ZONE_PDD, (TEXT("\tSOCK_EVENT_READY\r\n")));		
//			m_SocketState.dwEventChanged |= SOCK_EVENT_READY;			
//		}
		
		// PowerOn
		if(IS_POWERON_CHANGE(dwStatusChange)){
			DEBUGMSG(ZONE_PDD, (TEXT("\tSOCK_EVENT_PWRCYCLE\r\n")));		
			m_SocketState.dwEventChanged |= SOCK_EVENT_PWRCYCLE;			
		}
		
		// Clear PSCR by writing 1s
		CLEAR_CARD_STATUS_CHANGE(dwStatusChange);

		// PCMCIA General Status Register (PGSR)
		// Check for any errors, then write 1 to clear the bit
		dwErrStatus = GET_CARD_ERROR_STATUS();
		CLEAR_CARD_ERROR_STATUS(dwErrStatus);
		if(dwErrStatus != 0) {
			DEBUGMSG(ZONE_PDD|ZONE_ERROR,(TEXT("\tError PGSR value: 0x%X\n\r"), dwErrStatus));
		}
	
		// Check PCMCIA Input Pin Register (PIPR)
		dwStatus = GET_CARD_STATUS();

		DEBUGMSG(ZONE_PDD,(TEXT("\t\r\n==Card Status:\t\n")));			
		
		// Check card existence
		if (IS_CARD_INSERTED(dwStatus)) { 
			DEBUGMSG(ZONE_PDD,(TEXT("\tCard Detect\t\n")));			
			m_SocketState.dwEventStatus|= SOCK_EVENT_CD;			
		} 
		else 
		{
			DEBUGMSG(ZONE_PDD,(TEXT("\tCard no longer exist\n\r")));
			m_SocketState.dwEventStatus|= SOCK_EVENT_CD;			
			goto pcgs_exit; 
		}

		if (IS_BVD1_SET(dwStatus)) {
			m_SocketState.dwEventStatus|= SOCK_EVENT_BVD1;
			DEBUGMSG(ZONE_PDD, (TEXT("\tSOCK_EVENT_BVD1\r\n")));
		}
	
		if (IS_BVD2_SET(dwStatus)) {
			m_SocketState.dwEventStatus|= SOCK_EVENT_BVD2;
			DEBUGMSG(ZONE_PDD, (TEXT("\tSOCK_EVENT_BVD2\r\n")));
		}
		
		if (IS_WP_SET(dwStatus)) {
			m_SocketState.dwEventStatus|= SOCK_EVENT_WP;		
			DEBUGMSG(ZONE_PDD, (TEXT("\tSOCK_EVENT_WP\r\n")));
		}
	
//		if (IS_READY_IREQ_SET(dwStatus)) {
//			m_SocketState.dwEventStatus|= SOCK_EVENT_READY;		
//			DEBUGMSG(ZONE_PDD, (TEXT("\tSOCK_EVENT_READY\r\n")));		
//		}

		// PowerOn
		if(IS_POWERON_SET(dwStatus)){
			m_SocketState.dwEventStatus |= SOCK_EVENT_PWRCYCLE;			
			DEBUGMSG(ZONE_PDD, (TEXT("\tSOCK_EVENT_PWRCYCLE\r\n")));		
		}
		
		// add sleep here otherwise LogoTest-PcmciaSocket TestID:16002 failed
		//SOCKETDelay(1);
		Sleep(10);
	
pcgs_exit:

 		*pState = m_SocketState;		
		pState->dwEventChanged &= pState->dwEventMask;					

		DEBUGMSG( ZONE_PDD,
              	( TEXT( "<==CPcmciaSocket::CardGetSocket: m_SocketState.eventchanged=0x%X returned eventchanged=0x%x eventstatus=0x%x,dwEventMask=0x%x\r\n" ),
                	m_SocketState.dwEventChanged,
                	pState->dwEventChanged,
                	pState->dwEventStatus,
                	pState->dwEventMask ) );                	                		
    }

 	Unlock();
    return CERR_SUCCESS;	
}

//
// PDCardSetSocket
//
// @func    STATUS | PDCardSetSocket | Set the socket state of the specified socket.
// @rdesc   Returns one of the CERR_* return codes in cardserv.h.
//