--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicscompositionref/surfacemgrcommon/src/surfacemanagerdriver.cpp	Mon Aug 16 10:28:15 2010 +0100
@@ -0,0 +1,226 @@
+// Copyright (c) 2006-2009 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:
+//
+
+
+#include <kernel/kern_priv.h>
+#include <graphics/surfacemanager.h>
+#include "../inc/surfacemanager_dev.h"
+
+
+
+
+DECLARE_EXTENSION_LDD()
+	{
+	return new DSurfaceManagerFactory;
+	}
+
+static DSurfaceManager Manager;
+
+
+
+DSurfaceManagerFactory::DSurfaceManagerFactory()
+	{
+	// Set version number for this device
+	iVersion=RSurfaceManagerDriver::VersionRequired();
+
+	iParseMask=0;
+	}
+
+TInt DSurfaceManagerFactory::Install()
+	{
+	return SetName(&RSurfaceManagerDriver::Name());
+	}
+
+
+/**
+  Called by the kernel's device driver framework to create a Logical Channel.
+  This is called in the context of the user thread (client) which requested the creation of a Logical Channel
+  (E.g. through a call to RBusLogicalChannel::DoCreate)
+  The thread is in a critical section.
+
+  @param aChannel  Set to point to the created Logical Channel
+
+  @return KErrNone if successful, otherwise one of the other system wide error codes.
+*/
+TInt DSurfaceManagerFactory::Create(DLogicalChannelBase*& aChannel)
+	{
+	aChannel=new DSurfaceManagerChannel();
+	if(!aChannel)
+		return KErrNoMemory;
+	return KErrNone;
+	}
+
+
+
+/**
+  Return the drivers capabilities.
+  Called in the response to an RDevice::GetCaps() request.
+
+  @param aDes  User-side descriptor to write capabilities information into
+*/
+void DSurfaceManagerFactory::GetCaps(TDes8& aDes) const
+	{
+	// Create a capabilities object
+	RSurfaceManagerDriver::TCaps caps;
+	caps.iVersion = iVersion;
+	// Write it back to user memory
+	Kern::InfoCopy(aDes,reinterpret_cast<TUint8*>(&caps),sizeof(caps));
+	}
+
+
+
+DSurfaceManagerChannel::DSurfaceManagerChannel()
+	{
+	TRACE(Kern::Printf("SurfaceManagerChannel Creation");)
+	}
+
+
+/**
+Channel destructor.
+Called when the process owning the channel has died or closed the channel.
+Calls the manager object to indicate that the process has closed a session so it 
+can cleanup the surfaces which are only owned by that process if it has no further connections.
+*/
+DSurfaceManagerChannel::~DSurfaceManagerChannel()
+	{
+	Manager.RemoveConnection(iOwner);
+	}
+
+
+/**
+  Second stage constructor called by the kernel's device driver framework.
+  This is called in the context of the user thread (client) which requested the creation of a Logical Channel
+  (E.g. through a call to RBusLogicalChannel::DoCreate)
+  The thread is in a critical section.
+
+  @param aUnit  The unit argument supplied by the client to RBusLogicalChannel::DoCreate
+  @param aInfo  The info argument supplied by the client to RBusLogicalChannel::DoCreate
+  @param aVer  The version argument supplied by the client to RBusLogicalChannel::DoCreate
+
+  @return KErrNone if successful, otherwise one of the other system wide error codes.
+*/
+TInt DSurfaceManagerChannel::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& aVer)
+	{
+	// Check version
+	if (!Kern::QueryVersionSupported(RSurfaceManagerDriver::VersionRequired(),aVer))
+		return KErrNotSupported;
+	
+	iOwner = &Kern::CurrentProcess();
+	TInt ret = Manager.AddConnection(iOwner);
+	if (ret != KErrNone)
+		iOwner = NULL;
+	
+	return ret;
+	}
+	
+
+
+/**
+  Process a request on this logical channel.
+
+  @param aReqNo Request number:
+  	            ==KMaxTInt, a 'DoCancel' message
+	            >=0, a 'DoControl' message with function number equal to iValue
+	            <0, a 'DoRequest' message with function number equal to ~iValue
+  @param a1     First argument. For DoRequest requests this is a pointer to the TRequestStatus.
+  @param a2     Second argument. For DoRequest this is a pointer to the 2 actual TAny* arguments.
+
+  @return       Result ignored by device driver framework for DoRequest requests.
+*/
+TInt DSurfaceManagerChannel::Request(TInt aReqNo, TAny* a1, TAny* a2)
+	{
+	// Decode the message type and dispatch it to the relevent handler function...
+	// only using synchronous control messages
+	if (static_cast<TUint>(aReqNo) < static_cast<TUint>(KMaxTInt))
+		{
+		return DoControl(aReqNo, a1, a2);
+		}
+
+	return KErrNotSupported;
+	}
+
+/**
+  Process synchronous 'control' requests
+*/
+TInt DSurfaceManagerChannel::DoControl(TInt aFunction, TAny* a1, TAny* a2)
+	{
+	TRACE(Kern::Printf(">DSurfaceManagerChannel::DoControl fn=%d process = %u\n",aFunction, iOwner);)
+
+	TInt r;
+	switch(aFunction)
+		{
+		case RSurfaceManagerDriver::EControlCreateSurface:
+			r = Manager.CreateSurface(reinterpret_cast<const TDesC8*>(a1), reinterpret_cast<TSurfaceId*>(a2));
+			break;
+			
+		case RSurfaceManagerDriver::EControlOpenSurface:
+			r = Manager.OpenSurface(reinterpret_cast<TSurfaceId*>(a1));
+			break;
+			
+		case RSurfaceManagerDriver::EControlCloseSurface:
+			r = Manager.CloseSurface(reinterpret_cast<TSurfaceId*>(a1));
+			break;
+			
+		case RSurfaceManagerDriver::EControlAccessSurfaceData:
+			r = Manager.MapSurface(reinterpret_cast<TSurfaceId*>(a1));
+			break;
+			
+		case RSurfaceManagerDriver::EControlSurfaceInfo:
+			r = Manager.SurfaceInfo(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<TDes8*>(a2));
+			break;
+
+		case RSurfaceManagerDriver::EControlCreateSurfaceEx:
+			r = Manager.CreateSurface(reinterpret_cast<RSurfaceManagerDriver::TDeviceParam*>(a1), (TInt)a2);
+			break;
+			
+		case RSurfaceManagerDriver::EControlSynchronizeCache:
+			r = Manager.SynchronizeCache(reinterpret_cast<RSurfaceManagerDriver::TDeviceParam*>(a1), (RSurfaceManager::TSyncOperation&)a2);
+			break;
+
+		case RSurfaceManagerDriver::EControlGetSurfaceHint:
+			r = Manager.GetSurfaceHint(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<RSurfaceManager::THintPair*>(a2));
+			break;
+
+		case RSurfaceManagerDriver::EControlSetSurfaceHint:
+			r = Manager.SetSurfaceHint(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<const RSurfaceManager::THintPair*>(a2));
+			break;
+
+		case RSurfaceManagerDriver::EControlAddSurfaceHint:
+			r = Manager.AddSurfaceHint(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<const RSurfaceManager::THintPair*>(a2));
+			break;
+		case RSurfaceManagerDriver::EControlGetBufferOffset:
+			r = Manager.GetBufferOffset(reinterpret_cast<RSurfaceManagerDriver::TDeviceParam*>(a1),reinterpret_cast<TUint*>(a2));
+			break;
+		case RSurfaceManagerDriver::EControlGetSurfaceManagerAttrib:
+			r = Manager.GetSurfaceManagerAttrib(reinterpret_cast<RSurfaceManager::TSurfaceManagerAttrib*>(a1),reinterpret_cast<TInt*>(a2));
+			break;			
+		default:
+			r = KErrNotSupported;
+			break;
+		}
+	TRACE(Kern::Printf("<SurfaceManagerChannel::DoControl result=%d\n",r);)
+	return r;
+	}
+
+
+
+DECLARE_STANDARD_EXTENSION()
+	{
+	//called when kernel extension is loaded
+	//initialise the kernel extension
+	TRACE(Kern::Printf("<SurfaceManager Extension entry point\n");)
+	return KErrNone;
+	}
+