s3c2440a_touch.cpp

2440的又一BSP

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.
Copyright (c) 2002. Samsung Electronics, co. ltd  All rights reserved.

Module Name:  

Abstract:

    Platform dependent TOUCH initialization functions

rev:
	2002.4.27	: S3C2440 port (Hoyjoon Kim)

Notes: 
--*/


#include <windows.h>
#include <types.h>
#include <memory.h>
#include <nkintr.h>
#include <tchddsi.h>
#include <nkintr.h>

#include <s3c2440a.h>

#define PUBLIC		
#define PRIVATE							static

#define TSP_SAMPLE_RATE_LOW				50
#define TSP_SAMPLE_RATE_HIGH			100
#define TSP_SAMPLETICK_LOW					(17 * 1000 / TSP_SAMPLE_RATE_LOW)
#define TSP_SAMPLETICK_HIGH					(17 * 1000 / TSP_SAMPLE_RATE_HIGH)

#define ADCPRS							49 // 200

//#define TSP_MINX					    20
//#define TSP_MINY						30

//#define TSP_MAXX						1000
//#define TSP_MAXY						1000//980

#define TSP_CHANGE						15
#define TSP_INVALIDLIMIT				40


#define TSP_LCDX						(LCD_XSIZE_TFT * 4)
#define TSP_LCDY						(LCD_YSIZE_TFT * 4)


//#define	TSP_SAMPLE_NUM					4 

#ifndef OAL_INTR_FORCE_STATIC
#define OAL_INTR_FORCE_STATIC       (1 << 2)
#endif

DWORD gIntrTouch        = SYSINTR_NOP;
DWORD gIntrTouchChanged = SYSINTR_NOP;

static int TSP_MINX,TSP_MINY,TSP_MAXX,TSP_MAXY,xty;
static int TSP_SAMPLE_NUM;

extern "C" const int MIN_CAL_COUNT   = 1;

PRIVATE INT TSP_CurRate = 1;

PRIVATE volatile S3C2440A_IOPORT_REG * v_pIOPregs;
PRIVATE volatile S3C2440A_ADC_REG * v_pADCregs;
PRIVATE volatile S3C2440A_INTR_REG * v_pINTregs;
PRIVATE volatile S3C2440A_PWM_REG * v_pPWMregs;

PRIVATE BOOL	 bTSP_DownFlag;

VOID	TSP_VirtualFree(VOID);
BOOL	TSP_VirtualAlloc(VOID);

PRIVATE PVOID
TSP_RegAlloc(PVOID addr, INT sz)
{
	PVOID reg;

	reg = (PVOID)VirtualAlloc(0, sz, MEM_RESERVE, PAGE_NOACCESS);

	if (reg)
	{
		if (!VirtualCopy(reg, (PVOID)((UINT32)addr >> 8), sz, PAGE_PHYSICAL | PAGE_READWRITE | PAGE_NOCACHE )) 
		{
			//VirtualFree(reg, sz, MEM_RELEASE);
			VirtualFree(reg, 0, MEM_RELEASE);
			reg = NULL;
		}
	}

	return reg;
}


PRIVATE BOOL
TSP_VirtualAlloc(VOID)
{
	BOOL r = FALSE;

    RETAILMSG(0,(TEXT("::: TSP_VirtualAlloc()\r\n")));

	do
	{
		v_pIOPregs = (volatile S3C2440A_IOPORT_REG *)TSP_RegAlloc((PVOID)S3C2440A_BASE_REG_PA_IOPORT, sizeof(S3C2440A_IOPORT_REG));
		if (v_pIOPregs == NULL) 
		{
			ERRORMSG(1,(TEXT("For IOPreg: VirtualAlloc failed!\r\n")));
			break;
		}
	
		v_pADCregs = (volatile S3C2440A_ADC_REG *)TSP_RegAlloc((PVOID)S3C2440A_BASE_REG_PA_ADC, sizeof(S3C2440A_ADC_REG));
		if (v_pADCregs == NULL) 
		{
	    	ERRORMSG(1,(TEXT("For ADCreg: VirtualAlloc failed!\r\n")));
		    break;
		}

		v_pINTregs = (volatile S3C2440A_INTR_REG *)TSP_RegAlloc((PVOID)S3C2440A_BASE_REG_PA_INTR, sizeof(S3C2440A_INTR_REG));
		if (v_pADCregs == NULL) 
		{
	    	ERRORMSG(1,(TEXT("For INTregs: VirtualAlloc failed!\r\n")));
		    break;
		}

		v_pPWMregs = (volatile S3C2440A_PWM_REG *)TSP_RegAlloc((PVOID)S3C2440A_BASE_REG_PA_PWM, sizeof(S3C2440A_PWM_REG));
		if (v_pPWMregs == NULL) 
		{
	    	ERRORMSG(1,(TEXT("For PWMregs: VirtualAlloc failed!\r\n")));
		    break;
		}
		
		r = TRUE;
	} while (0);

	if (!r)
	{
		TSP_VirtualFree();

		RETAILMSG(0,(TEXT("::: TSP_VirtualAlloc() - Fail\r\n")));
	}
	else
	{
		RETAILMSG(0,(TEXT("::: TSP_VirtualAlloc() - Success\r\n")));
	}


	return r;
}

PRIVATE void
TSP_VirtualFree(VOID)
{
    RETAILMSG(0,(TEXT("::: TSP_VirtualFree()\r\n")));

	if (v_pIOPregs)
    {
        //VirtualFree((PVOID)v_pIOPregs, sizeof(S3C2440A_IOPORT_REG), MEM_RELEASE);
        VirtualFree((PVOID)v_pIOPregs, 0, MEM_RELEASE);
        v_pIOPregs = NULL;
    }
    if (v_pADCregs)
    {   
        //VirtualFree((PVOID)v_pADCregs, sizeof(S3C2440A_ADC_REG), MEM_RELEASE);
        VirtualFree((PVOID)v_pADCregs, 0, MEM_RELEASE);
        v_pADCregs = NULL;
    } 
    if (v_pINTregs)
    {   
        //VirtualFree((PVOID)v_pINTregs, sizeof(S3C2440A_INTR_REG), MEM_RELEASE);
        VirtualFree((PVOID)v_pINTregs, 0, MEM_RELEASE);
        v_pINTregs = NULL;
    } 
    if (v_pPWMregs)
    {   
        //VirtualFree((PVOID)v_pPWMregs, sizeof(S3C2440A_PWM_REG), MEM_RELEASE);
        VirtualFree((PVOID)v_pPWMregs, 0, MEM_RELEASE);
        v_pPWMregs = NULL;
    } 
}

PRIVATE VOID
TSP_SampleStart(VOID)
{
	DWORD tmp;

	tmp = v_pPWMregs->TCON & (~(0xf << 16));

	v_pPWMregs->TCON = tmp | (2 << 16);		/* update TCVNTB3, stop					*/
	v_pPWMregs->TCON = tmp | (9 << 16);		/* interval mode,  start				*/
//	v_pPWMregs->TCON = tmp | (1 << 16);		/* one-shot mode,  start				*/
}

PRIVATE VOID
TSP_SampleStop(VOID)
{
	v_pPWMregs->TCON &= ~(1 << 16);			/* Timer3, stop							*/
}


PRIVATE VOID
TSP_PowerOn(VOID)
{
	HKEY hKey;
	TSP_SAMPLE_NUM=4;
	if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("\\HARDWARE\\DEVICEMAP\\TOUCH"), 0, 0, &hKey))
    {
        DWORD dwSize, dwAngle, dwType = REG_DWORD;
        dwSize = sizeof(DWORD);
        if (ERROR_SUCCESS == RegQueryValueEx(hKey,
                                             TEXT("TSP_MINX"),
                                             NULL,
                                             &dwType,
                                             (LPBYTE)&dwAngle,
                                             &dwSize))
      
        {
			TSP_MINX = dwAngle;
			RETAILMSG(1,(TEXT("::: TSP_MINX:%d\r\n"),TSP_MINX));
		}
		if (ERROR_SUCCESS == RegQueryValueEx(hKey,
                                             TEXT("TSP_MINY"),
                                             NULL,
                                             &dwType,
                                             (LPBYTE)&dwAngle,
                                             &dwSize))
      
        {
			TSP_MINY = dwAngle;
			RETAILMSG(1,(TEXT("::: TSP_MINY:%d\r\n"),TSP_MINY));
		}
		if (ERROR_SUCCESS == RegQueryValueEx(hKey,
                                             TEXT("TSP_MAXX"),
                                             NULL,
                                             &dwType,
                                             (LPBYTE)&dwAngle,
                                             &dwSize))
      
        {
			TSP_MAXX = dwAngle;
			RETAILMSG(1,(TEXT("::: TSP_MAXX:%d\r\n"),TSP_MAXX));
		}
		if (ERROR_SUCCESS == RegQueryValueEx(hKey,
                                             TEXT("TSP_MAXY"),
                                             NULL,
                                             &dwType,
                                             (LPBYTE)&dwAngle,
                                             &dwSize))
      
        {
			TSP_MAXY = dwAngle;
			RETAILMSG(1,(TEXT("::: TSP_MAXY:%d\r\n"),TSP_MAXY));
		}

       if (ERROR_SUCCESS == RegQueryValueEx(hKey,
                                             TEXT("TSP_SAMPLE_NUM"),
                                             NULL,
                                             &dwType,
                                             (LPBYTE)&dwAngle,
                                             &dwSize))
      
        {
				TSP_SAMPLE_NUM = dwAngle;
				RETAILMSG(1,(TEXT("::: TSP_SAMPLE_NUM:%d\r\n"),TSP_SAMPLE_NUM));
		}
        if (ERROR_SUCCESS == RegQueryValueEx(hKey,
                                             TEXT("xtoy"),
                                             NULL,
                                             &dwType,
                                             (LPBYTE)&dwAngle,
                                             &dwSize))
      
        {   
			xty=dwAngle;
			RETAILMSG(1,(TEXT("::: xty:%d\r\n"),xty));
		}
		RegCloseKey(hKey);

    }

    RETAILMSG(1,(TEXT("::: TSP_PowerOn()\r\n")));


	v_pADCregs->ADCDLY = 40000;	//40000
    v_pADCregs->ADCCON = (1<<14) | (ADCPRS<< 6) | (7<<3);	

	v_pADCregs->ADCTSC = (0<<8)|(1<<7)|(1<<6)|(0<<5)|(1<<4)|(0<<3)|(0<<2)|(3);	

	v_pINTregs->INTSUBMSK  &= ~(1<<IRQ_SUB_TC);
    
  	v_pPWMregs->TCFG1  &= ~(0xf << 12);		/* Timer3's Divider Value				*/
  	v_pPWMregs->TCFG1  |=  (3   << 12);		/* 1/16									*/
    v_pPWMregs->TCNTB3  = TSP_SAMPLETICK_HIGH;	/* Interrupt Frequency					*/
	// v_pPWMregs->TCMPB3  = 0;		/**/
}

PRIVATE VOID
TSP_PowerOff(VOID)
{
    RETAILMSG(0,(TEXT("::: TSP_PowerOff()\r\n")));

    v_pINTregs->INTSUBMSK |= (1<<IRQ_SUB_TC);
}

PRIVATE BOOL
TSP_CalibrationPointGet(TPDC_CALIBRATION_POINT *pTCP)
{
    
	INT32	cDisplayWidth  = pTCP->cDisplayWidth;
	INT32	cDisplayHeight = pTCP->cDisplayHeight;

	int	CalibrationRadiusX = cDisplayWidth  / 20;
	int	CalibrationRadiusY = cDisplayHeight / 20;

	switch (pTCP -> PointNumber)
	{
	case	0:
		pTCP->CalibrationX = cDisplayWidth  / 2;
		pTCP->CalibrationY = cDisplayHeight / 2;
		break;

	case	1:
		pTCP->CalibrationX = CalibrationRadiusX * 2;
		pTCP->CalibrationY = CalibrationRadiusY * 2;
		break;

	case	2:
		pTCP->CalibrationX = CalibrationRadiusX * 2;
		pTCP->CalibrationY = cDisplayHeight - CalibrationRadiusY * 2;
		break;

	case	3:
		pTCP->CalibrationX = cDisplayWidth  - CalibrationRadiusX * 2;
		pTCP->CalibrationY = cDisplayHeight - CalibrationRadiusY * 2;
		break;