--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/baseport/src/cedar/generic/base/syborg/specific/interrupts.cpp	Fri Jul 31 14:43:15 2009 +0100
@@ -0,0 +1,149 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: Syborg interrupt control and dispatch
+*
+*/
+
+#include <syborg_priv.h>
+
+SInterruptHandler SyborgInterrupt::Handlers[KNumSyborgInts];
+
+void SyborgInterrupt::DisableAndClearAll()
+{
+  WriteReg(KHwBaseSic, 3, 0);
+}
+
+void SyborgInterrupt::Init1()
+{
+	__KTRACE_OPT(KBOOT,Kern::Printf("SyborgInterrupt::Init1()"));
+
+	for(TUint i = 0; i < KNumSyborgInts; i++)
+	{
+		Handlers[i].iPtr = (TAny*)i;
+		Handlers[i].iIsr = Spurious;
+	}
+
+	DisableAndClearAll();
+	
+	Arm::SetIrqHandler((TLinAddr)SyborgInterrupt::IrqDispatch);
+	Arm::SetFiqHandler((TLinAddr)SyborgInterrupt::FiqDispatch);
+}
+
+void SyborgInterrupt::Init3()
+{
+	__KTRACE_OPT(KHARDWARE,Kern::Printf("SyborgInterrupt::Init3()"));
+}
+
+void SyborgInterrupt::Spurious(TAny* anId)
+{
+	// Handle an unexpected interrupt
+	Kern::Fault("SpuriousInt", (TInt)anId);
+}
+
+EXPORT_C TInt Interrupt::Bind(TInt anId, TIsr anIsr, TAny* aPtr)
+{
+  __KTRACE_OPT(KHARDWARE,Kern::Printf("Interrupt::Bind(anId=%d anIsr=0x%X aPtr=0x%X)",anId,anIsr,aPtr));
+	if((anId >= 0) && ((TUint)anId < KNumSyborgInts))
+	{
+		SInterruptHandler& h = SyborgInterrupt::Handlers[anId];
+		TInt irq = NKern::DisableAllInterrupts();
+        TInt r;
+		if(h.iIsr != SyborgInterrupt::Spurious)
+		{
+            r = KErrInUse;
+	    }
+		else
+		{
+    	    h.iPtr = aPtr;
+	    	h.iIsr = anIsr;
+            r = KErrNone;
+		}
+		NKern::RestoreInterrupts(irq);
+		return r;
+	}
+	return KErrArgument;
+}
+
+EXPORT_C TInt Interrupt::Unbind(TInt anId)
+{
+	__KTRACE_OPT(KHARDWARE,Kern::Printf("Interrupt::Unbind(%d)",anId));
+	if((anId >= 0) && ((TUint)anId < KNumSyborgInts))
+	{
+		SInterruptHandler& h = SyborgInterrupt::Handlers[anId];
+		TInt irq = NKern::DisableAllInterrupts();
+    	TInt r;
+		if(h.iIsr == SyborgInterrupt::Spurious)
+		{
+			r = KErrGeneral;
+		}
+		else
+		{
+            // Reset pointer to handler back to default
+			h.iPtr = (TAny*)anId;
+			h.iIsr = SyborgInterrupt::Spurious;	
+			// Disable the interrupt
+			TSyborg::DisableInt(anId);
+			r = KErrNone;
+        }
+		NKern::RestoreInterrupts(irq);
+    	return r;
+	}
+	return KErrArgument;
+}
+
+EXPORT_C TInt Interrupt::Enable(TInt anId)
+{
+	__KTRACE_OPT(KHARDWARE,Kern::Printf("Interrupt::Enable(%d)",anId));
+	if((anId >= 0) && ((TUint)anId < KNumSyborgInts))
+	{
+		if(SyborgInterrupt::Handlers[anId].iIsr == SyborgInterrupt::Spurious)
+		{
+	        return KErrNotReady;
+		}
+		else
+		{
+		  TSyborg::EnableInt(anId);
+		  return KErrNone;
+		}
+	}
+	return KErrArgument;
+}
+
+EXPORT_C TInt Interrupt::Disable(TInt anId)
+{
+	__KTRACE_OPT(KHARDWARE,Kern::Printf("Interrupt::Disable(%d)",anId));
+	if((anId >= 0) && ((TUint)anId < KNumSyborgInts))
+	{
+	  TSyborg::DisableInt(anId);
+	  return KErrNone;
+	}
+	return KErrArgument;
+}
+
+EXPORT_C TInt Interrupt::Clear(TInt anId)
+{
+	__KTRACE_OPT(KHARDWARE,Kern::Printf("Interrupt::Clear(%d)",anId));
+	if((anId >= 0) && ((TUint)anId < KNumSyborgInts))
+	{
+        return KErrNone;
+	}
+	return KErrArgument;
+}
+
+EXPORT_C TInt Interrupt::SetPriority(TInt anId, TInt aPriority)
+{
+	__KTRACE_OPT(KHARDWARE,Kern::Printf("Interrupt::SetPriority(anId=%d aPriority=0x%X)",anId,aPriority));
+	return KErrNotSupported;
+}
+