--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/baseport/src/cedar/generic/base/syborg/pointer/syborg_pointer.h	Fri Jul 31 14:43:15 2009 +0100
@@ -0,0 +1,115 @@
+/*
+* 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
+*
+*/
+
+#ifndef _SYBORG_POINTER_H
+#define _SYBORG_POINTER_H
+
+#include <kernel.h>
+#include <system.h>
+#include <videodriver.h>
+#include <hal.h>
+
+#define FIFO_SIZE 16
+
+#ifdef DEBUG
+#define __DEBUG_PRINT(format...)    Kern::Printf(format)
+#else
+#define __DEBUG_PRINT(format...)    __KTRACE_OPT(KBOOT,Kern::Printf(format))
+#endif
+
+class TPointerRv
+{
+public:
+  TPointerRv();
+  virtual ~TPointerRv();
+  static TInt DoPointerHalFunction(TAny* aThis, TInt aFunction, TAny* a1, TAny* a2);
+  TInt PointerHalFunction(TInt aFunction, TAny* a1, TAny* a2);
+  void Init3();
+
+ private:
+  struct PData {
+	TInt x;
+	TInt y;
+	TInt z;
+	TInt but;
+  };
+
+  struct PData* FifoPop(void);
+  void FifoPush(struct PData*);
+
+  struct PData iPDataFifo[FIFO_SIZE];
+  TInt iFifoPos;
+  TInt iFifoCount;
+
+ private:
+  static void Isr(TAny* aPtr);
+  static void RxDfc(TAny* aPtr );
+  static void Process(TPointerRv *i, struct PData *);
+
+  TDfc iRxDfc;
+	
+  TBool iPointerOn;       // cursor visiability
+  TInt  iScreenWidth;
+  TInt  iScreenHeight;
+  TInt  iDisplayMode;
+
+  TInt ix,iy;
+  TInt iLastBut;
+
+  
+ public:
+
+  enum {
+    POINTER_ID          = 0,
+    POINTER_LATCH       = 1,
+    POINTER_FIFO_COUNT  = 2,
+    POINTER_X           = 3,
+    POINTER_Y           = 4,
+    POINTER_Z           = 5,
+    POINTER_BUTTONS     = 6,
+    POINTER_INT_ENABLE  = 7
+  };
+
+ private:
+  // Fixed point maths
+  class Fixed {
+
+  private:
+	int g;
+	const static int BP = 8;
+	const static int BP2 = BP*2;
+	enum FixedRaw { RAW };
+    Fixed(FixedRaw, int guts) : g(guts) {}
+	
+  public:
+    Fixed() : g(0) {}
+    Fixed(const Fixed& a) : g( a.g ) {}
+    Fixed(int a) : g( a << BP ) {}
+	operator int() { return g>>BP; }
+	Fixed operator +() const { return Fixed(RAW,g); }
+	Fixed operator -() const { return Fixed(RAW,-g); }
+	Fixed operator +(const Fixed& a) const { return Fixed(RAW, g + a.g); }
+	Fixed operator -(const Fixed& a) const { return Fixed(RAW, g - a.g); }
+	Fixed operator *(const Fixed& a) const { return Fixed(RAW,  (int)( ((long long)g * (long long)a.g ) >> BP)); }
+	Fixed operator /(const Fixed& a) const { return Fixed(RAW, int( (((long long)g << BP2) / (long long)(a.g)) >> BP) ); }
+  };
+
+  Fixed iXFactor;
+  Fixed iYFactor;
+};
+
+#endif