--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/navienginebsp/naviengine_assp/pci/pci.h	Tue Sep 28 18:00:05 2010 +0100
@@ -0,0 +1,139 @@
+/*
+* Copyright (c) 2008-2009 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:  
+*
+*/
+
+
+
+/**
+ @file
+ @publishedPartner
+ @test
+*/
+
+#ifndef _PCI_H
+#define _PCI_H
+
+#include <e32cmn.h>
+
+typedef TUint16 TPciVendorId;
+typedef TUint16 TDeviceId;
+typedef TUint16 TSubSysId;
+typedef TUint16 TSubSysVendorId;
+
+const TUint KCfgSpaceSize = 256; // bytes
+
+const TInt KPciMaxBusses = 1; //This can be 256, but this driver doesn't need to support subordinate busses yet
+const TInt KPciMaxDevices = 32;
+const TInt KPciMaxFunctions = 8;
+
+const TInt KPciNumberOfBars=6;
+const TUint KPciBar0 = 0x10;
+const TUint KPciHeaderType = 0xE;
+
+/**
+Bitmasks for standard PCI Base address register.
+*/
+namespace Bar
+	{
+	const TUint32 KHtMemSpaceType	= KBit0; // Mem or Io address space
+	const TUint32 KHmType			= KBit1|KBit2; //32 bit or 64 bit bar
+	const TUint32 KHtPreFetchable	= KBit3; // Set if memspace is prefetchable
+	}
+
+/**
+Bitmask for standard PCI header register
+*/
+namespace HeaderType
+	{
+	const TUint32 KHtMultiFunction	= KBit7; //True if the device is multifunction
+	}
+
+class TAddrSpace;
+class TPciFunction;
+class TChunkCleanup;
+class DPciBridge;
+class DChunk;
+class DPlatChunkHw;
+struct TChunkCreateInfo;
+
+/**
+A static class initialised in the kernel extension
+to enumerate the system's PCI buses and grant access to
+PCI functions.
+*/
+class Pci
+	{
+public:
+	IMPORT_C static TInt Probe(RArray<TInt>& aListOfFunctions, TPciVendorId aVid, TDeviceId aDid);
+	IMPORT_C static TAddrSpace* GetMemorySpace(TInt aFunction, TInt aBarIndex=0);
+	IMPORT_C static TAddrSpace* GetConfigSpace(TInt aFunction);
+	IMPORT_C static TInt CreateChunk(TInt aFunction, DPlatChunkHw*& aChunk, TInt aSize, 
+		TUint aAttributes, TUint32& aPciAddress);
+	IMPORT_C static TInt CreateChunk(TInt aFunction, DChunk*& aChunk, TChunkCreateInfo &aAttributes, 
+		TUint aOffset, TUint aSize, TUint32& aPciAddress);
+	IMPORT_C static TInt RemoveChunk(TInt aFunction, DPlatChunkHw* aChunk);
+	IMPORT_C static TInt CreateMapping(TInt aFunction, TUint32 aPhysicalAddress, TInt aSize, 
+		TUint32& aPciAddress);
+	IMPORT_C static TInt RemoveMapping(TInt aFunction, TUint32 aPhysicalAddress);
+	IMPORT_C static TInt GetPciAddress(TInt aFunction, TUint32& aAddress);
+	IMPORT_C static TInt GetPhysicalAddress(TInt aFunction, TUint32& aAddress);
+
+
+	static TInt Enumerate();
+protected:
+	friend class DPciBridge;
+	static TInt AddBridge(DPciBridge* aBridge);
+
+	friend class TChunkCleanup; //!< Allow Cleanup object to use callback
+	IMPORT_C static void ChunkCleanupCallback(TChunkCleanup* aCleanup);
+	
+	static TBool iEnumerated;						//!< Is toggled after enummeration
+	static RPointerArray<DPciBridge> iPciBridges;			//!< All the bridges on the system
+	static RPointerArray<TPciFunction> iFunctions;	//!< A system wide list of available PCI functions
+	};
+
+
+#define READ(n) virtual TUint##n Read##n(TUint32 aOffset)
+#define WRITE(n) virtual void Write##n(TUint32 aOffset, TUint##n aValue)
+#define MODIFY(n) virtual void Modify##n(TUint32 aOffset, TUint##n aClearMask, TUint##n aSetMask)
+/**
+Allows reads and writes to a section of address space.
+*/
+class TAddrSpace
+	{
+public:
+	IMPORT_C TUint Size();
+
+	IMPORT_C READ(8) =0;
+	IMPORT_C READ(16) =0;
+	IMPORT_C READ(32) =0;
+
+	IMPORT_C WRITE(8) =0;
+	IMPORT_C WRITE(16) =0;
+	IMPORT_C WRITE(32) =0;
+
+	IMPORT_C MODIFY(8) =0;
+	IMPORT_C MODIFY(16) =0;
+	IMPORT_C MODIFY(32) =0;
+protected:
+	enum TNumberOfBytes {E1Byte=1, E2Byte=2, E4Byte=4};
+	void CheckAccess(TNumberOfBytes aNumberOfBytes, TUint aByteOffset);
+
+	TAddrSpace(TUint aSize, const TDesC& aName);
+	const TUint iSize; //!< Size of address space in bytes
+	const TDesC& iName; //!< Used in trace messages
+	};
+#endif //_PCI_H