pdsocket.cpp

WinCE5.0BSP for Renesas SH7770

//
//  Copyright(C) Renesas Technology Corp. 2005. All rights reserved.
//
// PCCARD driver for ITS-DS7
//
// FILE     : pdsocket.cpp
// CREATED  : 2005.02.03
// MODIFIED : 
// AUTHOR   : Renesas Technology Corp.
// HARDWARE : RENESAS ITS-DS7
// HISTORY  : 
//            2005.02.03
//            - Created release code.
//                (based on PCCARD driver for ASPEN for WCE5.0)

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.

Module Name:

    PDSocket.c

Abstract:

    This file implements the PCMCIA model device driver initialization functions
    This is provided as a sample to platform writers and is
    expected to be able to be used without modification on most (if not
    all) hardware platforms.

Functions:


Notes:


--*/
#include <windows.h>
#include <types.h>
#include <socksv2.h>
#include <memory.h>
#include <ceddk.h>
#include <nkintr.h>
#include "PDSocket.h"

//------------------------------------------------------------------------------

#define DEFAULT_PRIORITY 101

#define ZONE_SOCKET ZONE_PDD

typedef struct _PCMCIA_INIT {
	ULONG reg_base;
	ULONG attr_win_base;
	ULONG cmn_win_base;
	ULONG io_win_base;
}PCMCIA_INIT;
PCMCIA_INIT v_PcmciaInit[NUM_SLOTS] = {
	{PCMCIA0_REG_BASE, FIRST_1MB_FROM_BASE0, SECOND_1MB_FROM_BASE0, THIRD_1MB_FROM_BASE0},
	{PCMCIA1_REG_BASE, FIRST_1MB_FROM_BASE1, SECOND_1MB_FROM_BASE1, THIRD_1MB_FROM_BASE1}
};

//------------------------------------------------------------------------------

CPCCardBusBridge::CPCCardBusBridge( LPCTSTR RegPath ) : CPCCardBusBridgeBase( RegPath ),
                                                        CMiniThread( 0, TRUE )
{
    m_dwCSCSysIntr = (DWORD)-1;
    for( int nSlot = 0; nSlot < NUM_SLOTS; nSlot++ )
    {
        m_rgPcmciaInterruptEvents[nSlot] = PCMCIA_INTERRUPT_NONE;
        m_rgdwFunctionSysIntr[nSlot] = (DWORD)-1;
        m_rgpCardSocket[nSlot] = NULL;
        m_rguSocketNum[nSlot] = (WORD)-1;
    }

    m_hISTEvent = NULL;
    m_hPcCardDriver = NULL;
    m_ResumeFlag = FALSE;
};


BOOL CPCCardBusBridge::Init()
{
    // bind to socket services
    if( !loadPcCardEntry() )
    {
        return FALSE;
    }

    // load registry settings
    if( !loadRequiredRegEntry() )
    {
        return FALSE;
    }

    // map and initialize the hardware
    if( !MapHardware() )
    {
        return FALSE;
    }

    // disable client interrupts
    for( int nSlot = 0; nSlot < NUM_SLOTS; nSlot++ )
    {
        EnableClientInterrupt( nSlot, FALSE );
    }

    // register the sockets with socket services
    for( int nSlot = 0; nSlot < NUM_SLOTS; nSlot++ )
    {
        if( !GetSocketNumberFromCS( nSlot, TRUE ) )
        {
            // unregister sockets
            for( int n = 0; n < nSlot; n++ )
            {
                GetSocketNumberFromCS( nSlot, FALSE );
            }
            return FALSE;
        }
    }

    // Configure the CSC Interrupt event
    m_hISTEvent = CreateEvent( 0, FALSE, FALSE, NULL );
    BOOL b = InterruptInitialize( m_dwCSCSysIntr, m_hISTEvent, 0, 0 );

    // Enable CSC interrupt
    EnableCSCInterrupts( TRUE );

    // Set CSC tread priority.
    CeSetPriority( m_uPriority );

    // run the CSC thrad
    bTerminated = FALSE;
    ThreadStart();

    return TRUE;
}

CPCCardBusBridge::~CPCCardBusBridge()
{
    // Terminate the CSC thread
    bTerminated = TRUE;
    if( m_hISTEvent )
    {
        SetEvent( m_hISTEvent );
        ThreadTerminated( 1000 );
        InterruptDisable( m_dwCSCSysIntr );         
        CloseHandle( m_hISTEvent );
    };

    // remove the sockets
    for( int nSlot = 0; nSlot < NUM_SLOTS; nSlot++ )
    {
        RemovePCardSocket( nSlot );
        if( m_rguSocketNum[nSlot] != ( UINT16 ) - 1 )
        {
            GetSocketNumberFromCS( nSlot, FALSE );
            m_rguSocketNum[nSlot] = ( UINT16 ) - 1;
        }
    }
}

DWORD CPCCardBusBridge::ThreadRun() // This is the card detect / card status change IST.
{
    // If card is inserted into the socket when system boot. It doesn't generate interrupt.
    // To solve this we have to set this thread first.
	BOOL fFirstTime[NUM_SLOTS];
	for( int n = 0; n < NUM_SLOTS; n++ )
	{
		fFirstTime[n] = TRUE;
	}
    SetEvent( m_hISTEvent );

    while( !bTerminated )
    {
        DEBUGCHK( m_hISTEvent != NULL );
        BOOL bInterrupt = ( WaitForSingleObject( m_hISTEvent, INFINITE ) !=
                            WAIT_TIMEOUT );
        if( !bInterrupt )
        {
            // Time out
#ifdef DEBUG
            WORD wChanged = READ_REGISTER_USHORT( m_rgPcmciaRegisters[0].pINTR );
            WORD wStatus = READ_REGISTER_USHORT( m_rgPcmciaRegisters[0].pCST );
			WORD wStatChangeIntEn = READ_REGISTER_USHORT( m_rgPcmciaRegisters[0].pINTC );
#endif
            continue;
        }

        if( m_ResumeFlag )
        {
            for( int nSlot = 0; nSlot < NUM_SLOTS; nSlot++ )
            {
                Lock();
                m_ResumeFlag = FALSE;
                if( m_rgpCardSocket[nSlot] )
                    m_rgpCardSocket[nSlot]->Resuming();
                Unlock();
            }
        }
        else
        {
            for( int nSlot = 0; nSlot < NUM_SLOTS; nSlot++ )
            {
                Lock();
                // read the card status change and card status registers
				WORD wChanged;
				if(nSlot) wChanged = m_pDriverGlobals->pcm.slot1Enable;
				else wChanged = m_pDriverGlobals->pcm.slot0Enable;
                WORD wStatus = READ_REGISTER_USHORT( m_rgPcmciaRegisters[nSlot].pCST );
				WORD wStatChangeIntEn = READ_REGISTER_USHORT( m_rgPcmciaRegisters[nSlot].pINTC );

/*
				// acknowledge the inteerupt, clear the card status change register bits
                if( wChanged & ( MR_SHPC_INTR_CARD_DETECT | MR_SHPC_INTR_STSCHG ) )
                {
					WORD wTemp = wChanged & ( MR_SHPC_INTR_CARD_DETECT | MR_SHPC_INTR_STSCHG );
					wTemp = ~wTemp;
					wTemp &= ~CC_PCMCIA_CSCR_GEN_CD_INT;
					wTemp |= CC_PCMCIA_CSCR_TPS2206_SEL;
                    WRITE_REGISTER_USHORT( m_rgPcmciaRegisters[nSlot].pCSCR, wTemp );
                }
*/
				if( fFirstTime[nSlot] )
				{
					fFirstTime[nSlot] = FALSE;
					wChanged |= MR_SHPC_INTR_CARD_DETECT;
				}
				else
				{
					// now lets record which interrupts can be cleared for the HAL
					if(nSlot)
					{
						m_pDriverGlobals->pcm.slot1Enable = wChanged;
					}
					else
					{
						m_pDriverGlobals->pcm.slot0Enable = wChanged;
					}
				}

                PCMCIA_INTERRUPT_EVENT otherEvent = m_rgPcmciaInterruptEvents[nSlot];
                m_rgPcmciaInterruptEvents[nSlot] = PCMCIA_INTERRUPT_NONE;

                Unlock();

                // Process CD events
                if( ( wChanged & MR_SHPC_INTR_CARD_DETECT ) ||
                    ( otherEvent == PCMCIA_INTERRUPT_FORCE_EJECT ) )
                {
                    if( m_rgpCardSocket[nSlot] != NULL )
                    {
                        RemovePCardSocket( nSlot );
                    }
                    if( IsCardInserted( nSlot ) )
                    {
                        InsertPCardSocket( nSlot, CreatePCMCIASocket( nSlot, this ) );

						if(nSlot) m_pDriverGlobals->pcm.slot1Enable &= (~MR_SHPC_INTR_CARD_DETECT);
						else m_pDriverGlobals->pcm.slot0Enable &= (~MR_SHPC_INTR_CARD_DETECT);
                    }
                }
                else // process other events
                {
                    if( IsCardInserted( nSlot ) )
                    {
                        if( m_rgpCardSocket[nSlot] && otherEvent != PCMCIA_INTERRUPT_NONE )
                        {
                            m_rgpCardSocket[nSlot]->SocketEventHandle( nSlot, wChanged, wStatus, otherEvent );
                        }
                    }
                }
            } // for
        } // if
        DEBUGMSG( ZONE_FUNCTION,
                  ( L"PCCard: PCCard Bus Call InterruptDone\r\n" ) );
        InterruptDone( m_dwCSCSysIntr );
    } // while
    return 0;
}

BOOL CPCCardBusBridge::SetInterruptEvent( int nSlot, PCMCIA_INTERRUPT_EVENT pcmIntrEvent )
{
    Lock();
    m_rgPcmciaInterruptEvents[nSlot] = pcmIntrEvent;
    SetEvent( m_hISTEvent );
    Unlock();
    return TRUE;
}

BOOL CPCCardBusBridge::NeedPowerResuming()
{
    m_ResumeFlag = TRUE;
    ::SetInterruptEvent( m_dwCSCSysIntr );
    return TRUE;
}

void CPCCardBusBridge::PowerMgr( BOOL bPowerDown )