kbdmouse.cpp

Ep93XX TionProV2 BSP

//
// 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.

*/

#include <windows.h>
#include <ceddk.h>
#include <ddkreg.h>
#include <keybdpdd.h>
#include <laymgr.h>
#include <hwdefs.h>

#include "ps2port.hpp"
#include "ps2mouse.hpp"
#include "ps2keybd.hpp"

extern Ps2Keybd *v_pp2k;

static Ps2Port  *v_pp2p;
static Ps2Mouse *v_pp2m;

UINT v_uiPddId;
PFN_KEYBD_EVENT v_pfnKeybdEvent;



void
WINAPI
KeybdPdd_PowerHandler(
	BOOL	bOff
	);


static
void
WINAPI
PS2_8042_PowerHandler(
    UINT uiPddId,
    BOOL fTurnOff
    )
{
//	RETAILMSG(ZONE_TEST, (TEXT("PS2_8042_PowerHandler %d \r\n "), fTurnOff) );

    KeybdPdd_PowerHandler(fTurnOff);
}

static
void 
WINAPI
PS2_8042_ToggleLights(
    UINT uiPddId,
    KEY_STATE_FLAGS KeyStateFlags
    )
{
	static const KEY_STATE_FLAGS ksfLightMask = KeyShiftCapitalFlag | 
		KeyShiftNumLockFlag | KeyShiftScrollLockFlag; 
	static KEY_STATE_FLAGS ksfCurr;

	KEY_STATE_FLAGS ksfNewState = (ksfLightMask & KeyStateFlags);

	if (ksfNewState != ksfCurr) 
    {
		KeybdPdd_ToggleKeyNotification(ksfNewState);
		ksfCurr = ksfNewState;
	}

    return;
}


static KEYBD_PDD PS28042Pdd = {
    PS2_AT_PDD,
    _T("PS/2 8042"),
    PS2_8042_PowerHandler,
    PS2_8042_ToggleLights
};


BOOL
WINAPI
PS2_8042_Entry(
    UINT uiPddId,
    PFN_KEYBD_EVENT pfnKeybdEvent,
    PKEYBD_PDD *ppKeybdPdd
    )
{
    SETFNAME(_T("PS2_8042_Entry"));

    BOOL    fRet = FALSE;


    v_uiPddId = uiPddId;
    v_pfnKeybdEvent = pfnKeybdEvent;

    *ppKeybdPdd = &PS28042Pdd;

    if ( v_pp2p )
    {
        // This driver is not designed for re-entry
        goto error_return;
    }

    v_pp2p = new Ps2Port;
	
	RETAILMSG(ZONE_TEST, (TEXT(" PS2 port %x\r\n "),v_pp2p) );

    if ( v_pp2p == NULL || !v_pp2p -> Initialize(  0  ) )
    {
        ERRORMSG(1, (TEXT("PS2_8042_Entry: Could not initialize ps2 port.\r\n")));
        if (v_pp2p != NULL)
            delete v_pp2p;
        v_pp2p = NULL;
        goto error_return;
    }



    /*if ( v_pp2p -> MouseTest() )
    {
        v_pp2m = new Ps2Mouse;

        if ( v_pp2m -> Initialize(v_pp2p) )
        {
            v_pp2m -> IsrThreadStart();
        }
        else
        {
            ERRORMSG(1, (TEXT("PS2_8042_Entry: Could not initialize ps2 mouse\r\n")));
            delete v_pp2m;
            v_pp2m = NULL;
        }
    }
	else*/
	{
		//  We always assume that there is a keyboard.
		v_pp2k = new Ps2Keybd;

		RETAILMSG(ZONE_TEST, (TEXT(" PS2 keyboard %x\r\n "), v_pp2k));

		if ( v_pp2k != NULL && v_pp2k -> Initialize(v_pp2p) )
		{
			v_pp2k -> IsrThreadStart();
		}
		else
		{
			ERRORMSG(1, (TEXT("PS2_8042_Entry: Could not initialize ps2 keyboard.\r\n")));
			if (v_pp2k != NULL)
				delete v_pp2k;
			v_pp2k = NULL;
		}
	}

    fRet = TRUE;
	
error_return:

    return fRet;
}

#ifdef DEBUG
// Verify function declaration against the typedef.
static PFN_KEYBD_PDD_ENTRY v_pfnKeybdEntry = PS2_8042_Entry;
#endif


BOOL
WINAPI
PS2_8042_Entry(
    UINT uiPddId,
    PFN_KEYBD_EVENT pfnKeybdEvent,
    PKEYBD_PDD *ppKeybdPdd
    );

PFN_KEYBD_PDD_ENTRY g_rgpfnPddEntries[] = {
    PS2_8042_Entry,
    NULL
};