--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/baseport/syborg/pointer/syborg_pointer.cpp	Tue Aug 04 10:28:23 2009 +0100
@@ -0,0 +1,276 @@
+/*
+* 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: Minimalistic pointer driver
+*
+*/
+
+//#define DEBUG
+
+#include <syborg_priv.h>
+#include "syborg_pointer.h"
+
+TPointerRv::TPointerRv():
+  iRxDfc(RxDfc,this,Kern::DfcQue0(),1)
+{
+  __DEBUG_PRINT("TPointerRv::TPointerRv()");
+  TInt r = Interrupt::Bind(EIntPointer,Isr,this);
+  if(r != KErrNone)
+	__KTRACE_OPT(KPANIC, Kern::Printf("TPointerRv::TPointerRv() Interrupt::Bind(%d)=%d",
+									  EIntPointer, r));
+  iPointerOn = ETrue;
+  iLastBut = 0;
+
+  Interrupt::Enable(EIntPointer);
+}
+
+TPointerRv::~TPointerRv()
+{
+}
+
+struct TPointerRv::PData* TPointerRv::FifoPop(void)
+{
+  struct TPointerRv::PData* val = &iPDataFifo[iFifoPos];
+  iFifoPos++;
+  iFifoCount--;
+  
+  if (iFifoPos == FIFO_SIZE)
+	iFifoPos = 0;
+
+  return val;
+}
+
+void TPointerRv::FifoPush(struct TPointerRv::PData* val)
+{
+  TInt slot;
+  
+  if (iFifoCount == FIFO_SIZE)
+	return;
+  
+  slot = iFifoPos + iFifoCount;
+  if (slot >= FIFO_SIZE)
+	slot -= FIFO_SIZE;
+  iPDataFifo[slot] = *val;
+  iFifoCount++;
+
+  //  __DEBUG_PRINT("TPointerRv::FifoPush %d %d %d %d",val->x, val->y, val->z, val->but);
+  //  __DEBUG_PRINT("TPointerRv::FifoPush %d %d %d %d",iPDataFifo[slot].x, iPDataFifo[slot].y, iPDataFifo[slot].z, iPDataFifo[slot].but);
+
+}
+
+void TPointerRv::Init3()
+{
+  __DEBUG_PRINT("TPointerRv::Init3");
+
+  TInt reg = ReadReg(KHwBaseKmiPointer,POINTER_ID);
+  WriteReg(KHwBaseKmiPointer,POINTER_INT_ENABLE,1);
+  
+  TInt r = Kern::AddHalEntry(EHalGroupMouse,DoPointerHalFunction,this);
+  if(r != KErrNone)
+	__KTRACE_OPT(KPANIC, Kern::Printf("TPointerRv::Init3(): Kern::AddHalEntry()=%d", r));
+
+  // Get information about the screen display mode
+  TPckgBuf<TVideoInfoV01> buf;
+  TVideoInfoV01& videoInfo = buf();
+
+  r = Kern::HalFunction(EHalGroupDisplay, EDisplayHalCurrentModeInfo, (TAny*)&buf, NULL);
+  if(r != KErrNone)
+	__KTRACE_OPT(KPANIC, Kern::Printf("TPointerRv::Init3(): Kern::HalFunction(EDisplayHalCurrentModeInfo)=%d", r));
+  
+  iScreenWidth  = videoInfo.iSizeInPixels.iWidth;
+  iScreenHeight = videoInfo.iSizeInPixels.iHeight;
+  iDisplayMode  = videoInfo.iDisplayMode;
+  ix = iy = 0;
+
+  iXFactor = Fixed(iScreenWidth) / Fixed(0x8000);
+  iYFactor = Fixed(iScreenHeight) / Fixed(0x8000);
+  
+  iFifoPos = iFifoCount = 0;
+}
+
+
+void TPointerRv::Process(TPointerRv *i, struct TPointerRv::PData *pd)
+{
+  TRawEvent e;
+
+  //  __DEBUG_PRINT("Event: X=%d Y=%d Point %d", pd->x, pd->y, pd->but);
+  //  __DEBUG_PRINT("  Last X=%d Y=%d Point %d", i->ix, i->iy, i->iLastBut);
+
+  //  i->ix += pd->x;
+  //  i->iy += pd->y;
+  
+  i->ix = int(Fixed(pd->x) * i->iXFactor);
+  i->iy = int(Fixed(pd->y) * i->iYFactor);
+
+  switch(pd->but)
+	{
+	case 0:  // Button released
+	  switch(i->iLastBut)
+		{
+		case 0:
+		  if( (pd->x!=0) || (pd->y!=0) ) {
+			e.Set(TRawEvent::EPointerMove, i->ix, i->iy);
+			__DEBUG_PRINT("1 EPointerMove (x:%d y:%d)", i->ix, i->iy);
+		  }
+		  goto fin;
+		case 1: // Left
+		  e.Set(TRawEvent::EButton1Up, i->ix, i->iy);
+		  __DEBUG_PRINT("2 EButton1UP (x:%d y:%d)", i->ix, i->iy);
+		  goto fin;
+		case 2: // Right
+		  e.Set(TRawEvent::EButton2Up, i->ix, i->iy);
+		  __DEBUG_PRINT("3 EButton2UP (x:%d y:%d)", i->ix, i->iy);
+		  goto fin;
+		}
+	case 1: // Left
+	  if (i->iLastBut == 0) {
+		e.Set(TRawEvent::EButton1Down, i->ix, i->iy);
+		__DEBUG_PRINT("4 EButton1Down (x:%d y:%d)", i->ix, i->iy);
+	  }
+	  else if( (pd->x!=0) || (pd->y!=0) ) {
+		e.Set(TRawEvent::EPointerMove, i->ix, i->iy);
+		__DEBUG_PRINT("5 EPointerMove (x:%d y:%d)", i->ix, i->iy);
+	  }
+	  break;
+	case 2: // Right
+	  if (i->iLastBut == 0) {
+		e.Set(TRawEvent::EButton2Down, i->ix, i->iy);
+		__DEBUG_PRINT("6 EButton2Down (x:%d y:%d)", i->ix, i->iy);
+	  }
+	  else if( (pd->x!=0) || (pd->y!=0) ) {
+		e.Set(TRawEvent::EPointerMove, i->ix, i->iy);
+		__DEBUG_PRINT("7 EPointerMove (x:%d y:%d)", i->ix, i->iy);
+	  }
+	  break;
+
+	}
+ fin:
+  Kern::AddEvent(e);
+  i->iLastBut = pd->but;
+}
+
+void TPointerRv::RxDfc(TAny* aPtr)
+{
+  __DEBUG_PRINT("TPointerRv::RxDfc");
+
+  TPointerRv* i = static_cast<TPointerRv*>(aPtr);  
+
+  while(i->iFifoCount>0) {
+	struct TPointerRv::PData *pd= i->FifoPop();
+	Process(i,pd);
+  }
+}
+
+void TPointerRv::Isr(TAny* aPtr)
+{
+  __DEBUG_PRINT("TPointerRv::Isr");
+
+  TPointerRv& k = *(TPointerRv*)aPtr;
+  // interrupts are now auto clear
+
+  while(ReadReg(KHwBaseKmiPointer, POINTER_FIFO_COUNT)!=0) {
+	struct TPointerRv::PData pd;
+	pd.x = ReadReg(KHwBaseKmiPointer,POINTER_X);
+	pd.y = ReadReg(KHwBaseKmiPointer,POINTER_Y);
+	pd.z = ReadReg(KHwBaseKmiPointer,POINTER_Z);
+	pd.but = ReadReg(KHwBaseKmiPointer,POINTER_BUTTONS);  
+	k.FifoPush(&pd);
+	WriteReg(KHwBaseKmiPointer,POINTER_LATCH,0);	
+  }
+  
+  //  WriteReg(KHwBaseKmiPointer,POINTER_CLEAR_INT,0);
+  Interrupt::Clear(EIntPointer); 
+  k.iRxDfc.Add();
+}
+
+TInt TPointerRv::DoPointerHalFunction(TAny* aThis, TInt aFunction, TAny* a1, TAny* a2)
+{
+  return static_cast<TPointerRv*>(aThis)->PointerHalFunction(aFunction,a1,a2);
+}
+
+TInt TPointerRv::PointerHalFunction(TInt aFunction, TAny* a1, TAny* /*a2*/)
+{
+  __DEBUG_PRINT("TPointerRv::PointerHalFunction");
+
+  TInt r=KErrNone;
+
+  switch(aFunction)
+    {
+	case EMouseHalMouseState:
+	  {
+		kumemput32(a1, (TBool*)&iPointerOn, sizeof(TBool));
+		break;
+	  }			
+	case EMouseHalSetMouseState:
+	  {
+	        __SECURE_KERNEL(
+	           if(!Kern::CurrentThreadHasCapability(ECapabilityMultimediaDD,
+		        __PLATSEC_DIAGNOSTIC_STRING("Checked by Hal function EMouseHalSetMouseState")))
+		     return KErrPermissionDenied;
+		   );
+		if(((TBool)a1 == HAL::EMouseState_Visible) && (iPointerOn == (TBool)EFalse))
+		  {
+			iPointerOn=(TBool)ETrue;
+		  }            
+		else if(((TBool)a1 == HAL::EMouseState_Invisible) && (iPointerOn==(TBool)ETrue))        	    
+		  {
+			iPointerOn=(TBool)EFalse;
+		  }            
+		break;
+	  }            
+	case EMouseHalMouseInfo:
+	  {
+		TPckgBuf<TMouseInfoV01> vPckg;
+		TMouseInfoV01& xyinfo = vPckg();
+		xyinfo.iMouseButtons = 2;
+		xyinfo.iMouseAreaSize.iWidth = iScreenWidth;
+		xyinfo.iMouseAreaSize.iHeight = iScreenHeight;
+		xyinfo.iOffsetToDisplay.iX = 0;
+		xyinfo.iOffsetToDisplay.iY = 0;
+		Kern::InfoCopy(*(TDes8*)a1,vPckg);
+		break;
+	  }		    
+        case EMouseHalSetMouseSpeed:
+	  {
+	        __SECURE_KERNEL(
+	           if(!Kern::CurrentThreadHasCapability(ECapabilityMultimediaDD,
+		        __PLATSEC_DIAGNOSTIC_STRING("Checked by Hal function EMouseHalSetMouseSpeed")))
+		     return KErrPermissionDenied;
+		   );
+		// fall thru to NotSupported
+	  }
+        case EMouseHalSetMouseAcceleration:
+	  {
+	        __SECURE_KERNEL(
+	           if(!Kern::CurrentThreadHasCapability(ECapabilityMultimediaDD,
+		        __PLATSEC_DIAGNOSTIC_STRING("Checked by Hal function EMouseHalSetMouseAcceleration")))
+		     return KErrPermissionDenied;
+		   );
+		// fall thru to NotSupported
+	  }
+	default:
+	  {
+		r = KErrNotSupported;
+		break;
+	  }			
+	}
+  return r;
+}
+
+DECLARE_STANDARD_EXTENSION()
+{
+  __DEBUG_PRINT("DECLARE_STANDARD_EXTENSION");
+  TPointerRv *d = new TPointerRv;
+  d->Init3();
+  return KErrNone;
+}