sl@0: // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: 
sl@0: #include <kernel/kern_priv.h>
sl@0: #include <graphics/surfacemanager.h>
sl@0: #include "surfacemanager_dev.h"
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: DECLARE_EXTENSION_LDD()
sl@0: 	{
sl@0: 	return new DSurfaceManagerFactory;
sl@0: 	}
sl@0: 
sl@0: static DSurfaceManager Manager;
sl@0: 
sl@0: 
sl@0: 
sl@0: DSurfaceManagerFactory::DSurfaceManagerFactory()
sl@0: 	{
sl@0: 	// Set version number for this device
sl@0: 	iVersion=RSurfaceManagerDriver::VersionRequired();
sl@0: 
sl@0: 	iParseMask=0;
sl@0: 	}
sl@0: 
sl@0: TInt DSurfaceManagerFactory::Install()
sl@0: 	{
sl@0: 	return SetName(&RSurfaceManagerDriver::Name());
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0:   Called by the kernel's device driver framework to create a Logical Channel.
sl@0:   This is called in the context of the user thread (client) which requested the creation of a Logical Channel
sl@0:   (E.g. through a call to RBusLogicalChannel::DoCreate)
sl@0:   The thread is in a critical section.
sl@0: 
sl@0:   @param aChannel  Set to point to the created Logical Channel
sl@0: 
sl@0:   @return KErrNone if successful, otherwise one of the other system wide error codes.
sl@0: */
sl@0: TInt DSurfaceManagerFactory::Create(DLogicalChannelBase*& aChannel)
sl@0: 	{
sl@0: 	aChannel=new DSurfaceManagerChannel();
sl@0: 	if(!aChannel)
sl@0: 		return KErrNoMemory;
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: /**
sl@0:   Return the drivers capabilities.
sl@0:   Called in the response to an RDevice::GetCaps() request.
sl@0: 
sl@0:   @param aDes  User-side descriptor to write capabilities information into
sl@0: */
sl@0: void DSurfaceManagerFactory::GetCaps(TDes8& aDes) const
sl@0: 	{
sl@0: 	// Create a capabilities object
sl@0: 	RSurfaceManagerDriver::TCaps caps;
sl@0: 	caps.iVersion = iVersion;
sl@0: 	// Write it back to user memory
sl@0: 	Kern::InfoCopy(aDes,reinterpret_cast<TUint8*>(&caps),sizeof(caps));
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: DSurfaceManagerChannel::DSurfaceManagerChannel()
sl@0: 	{
sl@0: 	TRACE(Kern::Printf("SurfaceManagerChannel Creation");)
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: Channel destructor.
sl@0: Called when the process owning the channel has died or closed the channel.
sl@0: Calls the manager object to indicate that the process has closed a session so it 
sl@0: can cleanup the surfaces which are only owned by that process if it has no further connections.
sl@0: */
sl@0: DSurfaceManagerChannel::~DSurfaceManagerChannel()
sl@0: 	{
sl@0: 	Manager.RemoveConnection(iOwner);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0:   Second stage constructor called by the kernel's device driver framework.
sl@0:   This is called in the context of the user thread (client) which requested the creation of a Logical Channel
sl@0:   (E.g. through a call to RBusLogicalChannel::DoCreate)
sl@0:   The thread is in a critical section.
sl@0: 
sl@0:   @param aUnit  The unit argument supplied by the client to RBusLogicalChannel::DoCreate
sl@0:   @param aInfo  The info argument supplied by the client to RBusLogicalChannel::DoCreate
sl@0:   @param aVer  The version argument supplied by the client to RBusLogicalChannel::DoCreate
sl@0: 
sl@0:   @return KErrNone if successful, otherwise one of the other system wide error codes.
sl@0: */
sl@0: TInt DSurfaceManagerChannel::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& aVer)
sl@0: 	{
sl@0: 	// Check version
sl@0: 	if (!Kern::QueryVersionSupported(RSurfaceManagerDriver::VersionRequired(),aVer))
sl@0: 		return KErrNotSupported;
sl@0: 	
sl@0: 	iOwner = &Kern::CurrentProcess();
sl@0: 	TInt ret = Manager.AddConnection(iOwner);
sl@0: 	if (ret != KErrNone)
sl@0: 		iOwner = NULL;
sl@0: 	
sl@0: 	return ret;
sl@0: 	}
sl@0: 	
sl@0: 
sl@0: 
sl@0: /**
sl@0:   Process a request on this logical channel.
sl@0: 
sl@0:   @param aReqNo Request number:
sl@0:   	            ==KMaxTInt, a 'DoCancel' message
sl@0: 	            >=0, a 'DoControl' message with function number equal to iValue
sl@0: 	            <0, a 'DoRequest' message with function number equal to ~iValue
sl@0:   @param a1     First argument. For DoRequest requests this is a pointer to the TRequestStatus.
sl@0:   @param a2     Second argument. For DoRequest this is a pointer to the 2 actual TAny* arguments.
sl@0: 
sl@0:   @return       Result ignored by device driver framework for DoRequest requests.
sl@0: */
sl@0: TInt DSurfaceManagerChannel::Request(TInt aReqNo, TAny* a1, TAny* a2)
sl@0: 	{
sl@0: 	// Decode the message type and dispatch it to the relevent handler function...
sl@0: 	// only using synchronous control messages
sl@0: 	if (static_cast<TUint>(aReqNo) < static_cast<TUint>(KMaxTInt))
sl@0: 		{
sl@0: 		return DoControl(aReqNo, a1, a2);
sl@0: 		}
sl@0: 
sl@0: 	return KErrNotSupported;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:   Process synchronous 'control' requests
sl@0: */
sl@0: TInt DSurfaceManagerChannel::DoControl(TInt aFunction, TAny* a1, TAny* a2)
sl@0: 	{
sl@0: 	TRACE(Kern::Printf(">DSurfaceManagerChannel::DoControl fn=%d process = %u\n",aFunction, iOwner);)
sl@0: 
sl@0: 	TInt r;
sl@0: 	switch(aFunction)
sl@0: 		{
sl@0: 		case RSurfaceManagerDriver::EControlCreateSurface:
sl@0: 			r = Manager.CreateSurface(reinterpret_cast<const TDesC8*>(a1), reinterpret_cast<TSurfaceId*>(a2));
sl@0: 			break;
sl@0: 			
sl@0: 		case RSurfaceManagerDriver::EControlOpenSurface:
sl@0: 			r = Manager.OpenSurface(reinterpret_cast<TSurfaceId*>(a1));
sl@0: 			break;
sl@0: 			
sl@0: 		case RSurfaceManagerDriver::EControlCloseSurface:
sl@0: 			r = Manager.CloseSurface(reinterpret_cast<TSurfaceId*>(a1));
sl@0: 			break;
sl@0: 			
sl@0: 		case RSurfaceManagerDriver::EControlAccessSurfaceData:
sl@0: 			r = Manager.MapSurface(reinterpret_cast<TSurfaceId*>(a1));
sl@0: 			break;
sl@0: 			
sl@0: 		case RSurfaceManagerDriver::EControlSurfaceInfo:
sl@0: 			r = Manager.SurfaceInfo(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<TDes8*>(a2));
sl@0: 			break;
sl@0: 
sl@0: 		case RSurfaceManagerDriver::EControlCreateSurfaceEx:
sl@0: 			r = Manager.CreateSurface(reinterpret_cast<RSurfaceManagerDriver::TDeviceParam*>(a1), (TInt)a2);
sl@0: 			break;
sl@0: 			
sl@0: 		case RSurfaceManagerDriver::EControlSynchronizeCache:
sl@0: 			r = Manager.SynchronizeCache(reinterpret_cast<RSurfaceManagerDriver::TDeviceParam*>(a1), (RSurfaceManager::TSyncOperation&)a2);
sl@0: 			break;
sl@0: 
sl@0: 		case RSurfaceManagerDriver::EControlGetSurfaceHint:
sl@0: 			r = Manager.GetSurfaceHint(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<RSurfaceManager::THintPair*>(a2));
sl@0: 			break;
sl@0: 
sl@0: 		case RSurfaceManagerDriver::EControlSetSurfaceHint:
sl@0: 			r = Manager.SetSurfaceHint(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<const RSurfaceManager::THintPair*>(a2));
sl@0: 			break;
sl@0: 
sl@0: 		case RSurfaceManagerDriver::EControlAddSurfaceHint:
sl@0: 			r = Manager.AddSurfaceHint(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<const RSurfaceManager::THintPair*>(a2));
sl@0: 			break;
sl@0: 		case RSurfaceManagerDriver::EControlGetBufferOffset:
sl@0: 			r = Manager.GetBufferOffset(reinterpret_cast<RSurfaceManagerDriver::TDeviceParam*>(a1),reinterpret_cast<TUint*>(a2));
sl@0: 			break;
sl@0: 		case RSurfaceManagerDriver::EControlGetSurfaceManagerAttrib:
sl@0: 			r = Manager.GetSurfaceManagerAttrib(reinterpret_cast<RSurfaceManager::TSurfaceManagerAttrib*>(a1),reinterpret_cast<TInt*>(a2));
sl@0: 			break;			
sl@0: 		default:
sl@0: 			r = KErrNotSupported;
sl@0: 			break;
sl@0: 		}
sl@0: 	TRACE(Kern::Printf("<SurfaceManagerChannel::DoControl result=%d\n",r);)
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: DECLARE_STANDARD_EXTENSION()
sl@0: 	{
sl@0: 	//called when kernel extension is loaded
sl@0: 	//initialise the kernel extension
sl@0: 	TRACE(Kern::Printf("<SurfaceManager Extension entry point\n");)
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: