--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetooth/btstack/linkmgr/Basebandmodel.h	Fri Jan 15 08:13:17 2010 +0200
@@ -0,0 +1,159 @@
+// Copyright (c) 2003-2009 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:
+//
+
+#ifndef BASEBANDMODEL_H_
+#define BASEBANDMODEL_H_
+
+class CLinkMgrProtocol;
+// this will be owned by the linkmgrprotocol 
+
+static const TInt KBTBasebandModelLinkArrayGranularity = 2;
+static const TInt KMaxPhysicalLinksWithSCO=2;
+static const TInt KMaxActivePhysicalLinks=7;
+
+enum TSCOLinkType
+/**
+	The value order in this enum must be maintained
+*/
+	{
+	ENoSCOLink = 0,
+	ESCOHV1Packets = 0x20,
+	ESCOHV2Packets = 0x40,
+	ESCOHV3Packets = 0x80,
+
+	//uses all b/w based on 80 bits per slot at 64 kbits/sec
+	ESCODVPackets = 0x100, /*no associated command mask value*/
+	
+	EIseSCOLink = 0x40000000	// Don't use top bit as signed, but ensure invalid.
+	};
+
+enum TACLLinkType
+/**
+	The value order in this enum must be maintained
+*/
+
+	{
+	ENoACLLink = 0,
+	EOneSlotPackets = 1,
+	EThreeSlotPackets = 3,
+	EFiveSlotPackets = 5,
+	};
+
+NONSHARABLE_CLASS(TPhysicalLinkData)
+    {
+	public:
+	TPhysicalLinkData();
+	TACLLinkType ACLActualMinSlots() const;
+	void Park();
+	void UnPark();
+	TBool IsParked() const;
+
+	public:
+    TBTDevAddr		iBdaddr;
+    THCIConnHandle	iConnH;
+    THCIConnHandle	iSCOConnH;
+    THCIConnHandle	ieSCOConnH;
+	TACLLinkType	iACLMinSlotsAllowed;
+	TACLLinkType	iACLMaxSlotsAllowed;
+	TSCOLinkType	iSCOMinRequirement; //HV3 < HV2 < HV1
+	TBool			iParked;
+    };
+
+
+enum TBandwidth
+	{
+	//HV1 packets use all available slots and completely hogs the baseband capacity (T_SCO=2)
+	//HV2 packets use 2 out of every 4 slots (T_SCO=4), 
+	//HV3 packets use 2 out of 6 slots (T_SCO=6)
+	EBandwidthNoneUsed = 0,
+	EBandwidthOneTwelfthUsed = 1,
+	EBandwidthOneSixthUsed = 2,
+	EBandwidthOneQuarterUsed = 3,
+	EBandwidthOneThirdUsed = 4,
+	EBandwidthFiveTwelfthsUsed = 5,
+	EBandwidthOneHalfUsed = 6,
+	EBandwidthSevenTwelfthsUsed = 7,
+	EBandwidthTwoThirdsUsed = 8,
+	EBandwidthThreeQuartersUsed = 9,
+	EBandwidthFiveSixthsUsed = 10,
+	EBandwidthElevenTwelfthsUsed = 11,
+	EBandwidthAllUsed = 12,
+	};
+	
+NONSHARABLE_CLASS(CBTBasebandModel) : public CBase
+/**
+	This looks at the Baseband in an orthogonal manner to the ConnectionsManager.
+	The connectionManager thinks in terms of logical links to other devices.
+	The BasebandModel thinks in terms of radio activity. If 25% of the slots are
+	pre-booked by SCO commitments, then this knowledge is in the BasebandModel.
+*/
+	{
+public:
+	static CBTBasebandModel* NewL(CLinkMgrProtocol& aLMProt);
+	~CBTBasebandModel();
+
+	TInt UpdateModel(const TBTDevAddr& aAddr, TUint16 aPacketMask, TLinkType aLinkTypeForPacketMask);
+	TInt UpdateModel(THCIConnHandle aConnH, TLinkType aLinkTypeForHandle, TUint16 aPacketMask, TLinkType aLinkTypeForPacketMask);
+	TInt UpdateModel(const TBTConnect& aConn);
+	TInt UpdateModel(const TBTConnect& aConn, TUint16 aPacketMask);
+	TInt UpdateModel(THCIConnHandle aConnH, TUint8 aMaxSlots);
+	void UpdateModelIfRecordExists(THCIConnHandle aConnH, TUint16 aPacketMask);
+	void UpdateModelIfNoRecord(THCIConnHandle aConnH, TUint16 aPacketMask, TLinkType aLinkType);
+	void UpdateModelForDisconnection(THCIConnHandle aConnH, TLinkType aLinkType);
+	void UpdateModelForConnectionError(TBTDevAddr aAddr, TLinkType aLinkType);
+	void ParkLink(THCIConnHandle aConnH);
+	void UnParkLink(THCIConnHandle aConnH);
+	
+	TBool IsACLPossible() const;
+	TBool IsSCOPossible() const;
+	
+private:
+	CBTBasebandModel(CLinkMgrProtocol& aLMProt); //constructor
+	void ConstructL();
+
+	TBool IsACLPossible(TACLLinkType aACLType) const;
+	TBool IsSCOPossible(TSCOLinkType aSCOType) const;
+	TBool IsCombinationAllowed(TInt aSCOBandwidth, TACLLinkType aACLType) const;
+	TBandwidth CostOfACLLink(TACLLinkType aACLType) const;
+	TACLLinkType ACLRequirement(TUint16 aPacketMask) const;
+	TSCOLinkType SCORequirement(TUint16 aPacketMask) const;
+	TBandwidth Bandwidth(TSCOLinkType aLinkData) const;
+
+	void GarnerInfo(TInt& aActivePhyCount, TInt& aSCOCount, TACLLinkType& aGreatestMinSlotRequirement, TInt& aSCOBandwidth) const;
+	void CheckInfo(TInt aActivePhyCount, TInt aSCOCount, TACLLinkType aGreatestMinSlotRequirement, TInt aSCOBandwidth) const;
+
+	TInt FindByAddress(const TBTDevAddr& aAddr) const;
+	TInt FindByHandle(THCIConnHandle aHandle) const;
+	TInt FindByACLHandle(THCIConnHandle aHandle) const;
+	TInt FindBySCOHandle(THCIConnHandle aHandle) const;
+	TInt FindByeSCOHandle(THCIConnHandle aHandle) const;
+	TInt DoUpdateModel(const TBTConnect& aConn, TUint16 aPacketMask, TBool iIgnorePacketMask);
+	void UpdateLink(TPhysicalLinkData& aLinkData, const TBTConnect& aConn);
+	void UpdateLink(TPhysicalLinkData& aLinkData, TLinkType aLinkType, TUint16 aPacketMask);
+	void SetupConnectRecord(TBTConnect& aConn, THCIConnHandle aConnH, 
+								  const TBTDevAddr& aAddr,
+								  TUint aCoD,
+								  TLinkType aLinkType,
+								  TEncryptMode aEncryptMode) const;
+
+
+
+private:
+	RArray<TPhysicalLinkData> iLinkData;
+	CLinkMgrProtocol& iLMProt;
+	};
+
+#endif //BASEBANDMODEL_H_
+