--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vghwinterface/vghwdriver/ldd/src/virtualvideohwdevice.cpp	Wed Oct 06 15:43:10 2010 +0100
@@ -0,0 +1,167 @@
+// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Virtual Video Hardware Device Implementation
+
+#include <kernel/kernel.h>
+#include <assp.h>
+
+#include <graphics/guestvideodriverprotocol.h>
+#include <graphics/virtualvideohwdevice.h>
+#include <graphics/virtualvideohwchannel.h>
+#include <graphics/virtualvideohwinterface.h>
+#include <graphics/virtualvideotracing.h>
+#include <graphics/guestvideodrivercommon.h>
+#include <graphics/devicereqhandler.h>
+
+const TInt KPriority = 27; // DfcQue0 has same priority
+
+// a .LDD requires that the first exported function creates the device. By
+// returning a concrete DLogicalDevice-derived class, this implements
+// polymorphism using a named DLL.
+DECLARE_STANDARD_LDD()
+    {
+    return new DVirtualVideoHwDevice; 
+    }
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// DVirtualVideoHwDevice::DVirtualVideoHwDevice
+// -----------------------------------------------------------------------------
+//
+DVirtualVideoHwDevice::DVirtualVideoHwDevice()
+    {
+    // No need to set iParseMask as we don't have PDD.
+    // Just set the version.
+    using namespace GuestVideoDriver;
+    iVersion = TVersion( KMajorVer, KMinorVer, KBuildVer );
+	iHwInterface = new DVirtualVideoHwInterface;
+	Kern::Printf("DVirtualVideoHwDevice::DVirtualVideoHwDevice()<");
+    VVHW_TRACE("DVirtualVideoHwDevice::DVirtualVideoHwDevice");
+    }
+
+// -----------------------------------------------------------------------------
+// DVirtualVideoHwDevice::Install
+// -----------------------------------------------------------------------------
+//
+TInt DVirtualVideoHwDevice::Install()
+    {
+    // Our name, used by User::FreeLogicalDevice 
+    TInt err = SetName( &GuestVideoDriver::KDeviceName );
+    if ( err != KErrNone )
+        {
+        VVHW_TRACE("DVirtualVideoHwDevice::Install SetName %d", err);
+        return err;
+        }
+
+    // Enter critical section
+    NKern::ThreadEnterCS();
+    
+    err = Kern::DfcQCreate( iDfcQ, KPriority, &GuestVideoDriver::KDfcThreadName );
+
+    // Leave critical section
+    NKern::ThreadLeaveCS();
+
+    if ( err != KErrNone )
+        {
+        VVHW_TRACE("DVirtualVideoHwDevice::Install Kern::DfcQCreate %d", err);
+        return err;
+        }
+    
+	// We have already created this during construction
+    // iHwInterface = new DVirtualVideoHwInterface;
+
+    if ( !iHwInterface )
+        {
+        return KErrNoMemory;
+        }
+
+    err = iHwInterface->InitRegisterMemory();
+    if ( err != KErrNone )
+        {
+        VVHW_TRACE("DVirtualVideoHwDevice::Install InitRegisterMemory %d", err);
+        return err;
+        }
+
+    err = iHwInterface->InitParametersInputMemory();
+    if ( err != KErrNone )
+        {
+        VVHW_TRACE("DVirtualVideoHwDevice::Install InitParametersInputMemory %d", err);
+        return err;
+        }
+
+    err = iHwInterface->InitParametersOutputMemory();
+    if ( err != KErrNone )
+        {
+        VVHW_TRACE("DVirtualVideoHwDevice::Install InitParametersOutputMemory %d", err);
+        return err;
+        }
+
+    iDeviceReqHandler = new DDeviceReqHandler( *iHwInterface, iDfcQ );
+    if ( !iDeviceReqHandler )
+        {
+        return KErrNoMemory;
+        }
+
+    VVHW_TRACE("DVirtualVideoHwDevice::Install return %d", err);
+    return err;
+    }
+
+// -----------------------------------------------------------------------------
+// DVirtualVideoHwDevice::~DVirtualVideoHwDevice
+// -----------------------------------------------------------------------------
+//
+DVirtualVideoHwDevice::~DVirtualVideoHwDevice()
+    {
+    delete iDeviceReqHandler;
+    delete iDfcQ;
+    delete iHwInterface;
+    VVHW_TRACE("DVirtualVideoHwDevice:~DVirtualVideoHwDevice");
+    }
+
+// -----------------------------------------------------------------------------
+// DVirtualVideoHwDevice::GetCaps
+// -----------------------------------------------------------------------------
+//
+void DVirtualVideoHwDevice::GetCaps( TDes8& aDes ) const
+    {
+    TVersion version; 
+
+    // fill it with information
+    version = iVersion; 
+
+    // copy as much of our information as will fit into this descriptor
+    aDes.Copy( (TUint8*)&version, Min( aDes.MaxLength(), sizeof( version ) ) );
+    }
+
+// -----------------------------------------------------------------------------
+// DVirtualVideoHwDevice::Create
+// -----------------------------------------------------------------------------
+//
+TInt DVirtualVideoHwDevice::Create( DLogicalChannelBase*& aChannel )
+    { 
+    aChannel = NULL;
+    TInt error = KErrNone;
+    aChannel = new DVirtualVideoHwChannel(
+            *this,
+            *iHwInterface,
+            *iDeviceReqHandler,
+            iDfcQ);
+    
+    if ( !aChannel )
+        {
+        error = KErrNoMemory;
+        }
+    return error;
+    }