?? hwdriver.c
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#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/fs.h>
#include <linux/poll.h>
#include <linux/ioctl.h>
#include <linux/devfs_fs_kernel.h>
#include <asm/pgtable.h>
#include <asm/irq.h>
#include <asm/hardware.h>
#include <asm/arch/quasar.h>
#include <linux/string.h>
#define PVR_PLATFORM
MODULE_DESCRIPTION("Touchpanel panel driver module");
MODULE_AUTHOR("Mubin Chen 2007-05-25");
#ifdef MODULE_LICENSE
MODULE_LICENSE("Proprietary. Copyright (c) 2007 Sicong OPT-Electronic LTD., ShenZhen Office.All rights reserved.");
#endif // MODULE_LICENSE
unsigned int QuickTouch;
//Touch Panel Specification, need more information
#define g_nTouchPanelXDiv
#define g_nTouchPanelYDiv
#define g_nTouchPanelXBase
#define g_nTouchPanelYBase
unsigned char g_nTouchKeyX;
unsigned char g_nTouchKeyY;
struct DataTransmission{
unsigned char TraBuf[8];
unsigned char TraLen;
unsigned char RecBuf[8];
unsigned char RecLen;
unsigned int wmID;
}
struct DataTransmission g_eph;
typedef enum {
UDM_INK_DATA,
UDM_CALIBRATE_DATA,
UDM_TOUCH_DATA,
UDM_RECOG_RESULT,
UDM_THD_NULL
}PacketInfor;
static const unsigned char CRCTable[256]=
{
0x00,0x07,0x0E,0x09,0x1C,0x1B,0x12,0x15,0x38,0x3F,0x36,0x31,0x24,0x23,0x2A,0x2D,
0x70,0x77,0x7E,0x79,0x6C,0x6B,0x62,0x65,0x48,0x4F,0x46,0x41,0x54,0x53,0x5A,0x5D,
0xE0,0xE7,0xEE,0xE9,0xFC,0xFB,0xF2,0xF5,0xD8,0xDF,0xD6,0xD1,0xC4,0xC3,0xCA,0xCD,
0x90,0x97,0x9E,0x99,0x8C,0x8B,0x82,0x85,0xA8,0xAF,0xA6,0xA1,0xB4,0xB3,0xBA,0xBD,
0xC7,0xC0,0xC9,0xCE,0xDB,0xDC,0xD5,0xD2,0xFF,0xF8,0xF1,0xF6,0xE3,0xE4,0xED,0xEA,
0xB7,0xB0,0xB9,0xBE,0xAB,0xAC,0xA5,0xA2,0x8F,0x88,0x81,0x86,0x93,0x94,0x9D,0x9A,
0x27,0x20,0x29,0x2E,0x3B,0x3C,0x35,0x32,0x1F,0x18,0x11,0x16,0x03,0x04,0x0D,0x0A,
0x57,0x50,0x59,0x5E,0x4B,0x4C,0x45,0x42,0x6F,0x68,0x61,0x66,0x73,0x74,0x7D,0x7A,
0x89,0x8E,0x87,0x80,0x95,0x92,0x9B,0x9C,0xB1,0xB6,0xBF,0xB8,0xAD,0xAA,0xA3,0xA4,
0xF9,0xFE,0xF7,0xF0,0xE5,0xE2,0xEB,0xEC,0xC1,0xC6,0xCF,0xC8,0xDD,0xDA,0xD3,0xD4,
0x69,0x6E,0x67,0x60,0x75,0x72,0x7B,0x7C,0x51,0x56,0x5F,0x58,0x4D,0x4A,0x43,0x44,
0x19,0x1E,0x17,0x10,0x05,0x02,0x0B,0x0C,0x21,0x26,0x2F,0x28,0x3D,0x3A,0x33,0x34,
0x4E,0x49,0x40,0x47,0x52,0x55,0x5C,0x5B,0x76,0x71,0x78,0x7F,0x6A,0x6D,0x64,0x63,
0x3E,0x39,0x30,0x37,0x22,0x25,0x2C,0x2B,0x06,0x01,0x08,0x0F,0x1A,0x1D,0x14,0x13,
0xAE,0xA9,0xA0,0xA7,0xB2,0xB5,0xBC,0xBB,0x96,0x91,0x98,0x9F,0x8A,0x8D,0x84,0x83,
0xDE,0xD9,0xD0,0xD7,0xC2,0xC5,0xCC,0xCB,0xE6,0xE1,0xE8,0xEF,0xFA,0xFD,0xF4,0xF3
};
// unsigned char HostWakeup[7] = {0,0,0,0,0,0,0};
unsigned char AckWakeup[8] = {0x50,0x33,0x04,0x00,0x00,0x00,0x00,0x00};
unsigned char SetCharactor[8] = {0x50,0x10,0x04,0xFF,0x01,0xFF,0xFF,0x00};
// unsigned char SetChinse2[8] = {0x50,0x10,0x04,0xFF,0x02,0xFF,0xFF,0x00};
// unsigned char SetCapsLetter[8] = {0x50,0x10,0x04,0xFF,0x04,0xFF,0xFF,0x00};
// unsigned char SetNumber[8] = {0x50,0x10,0x04,0xFF,0x08,0xFF,0xFF,0x00};
// unsigned char Setsymbol[8] = {0x50,0x10,0x04,0xFF,0x10,0xFF,0xFF,0x00};
// unsigned char Setgesture[8] = {0x50,0x10,0x04,0xFF,0x20,0xFF,0xFF,0x00};
unsigned char InkingOn[8] = {0x50,0x14,0x04,0x01,0xFF,0xFF,0xFF,0x00};
// unsigned char InkingOff[7] ={0x50,0x14,0x04,0x00,0xFF,0xFF,0xFF};
unsigned char PenupTime[8] = {0x50,0x1A,0x04,0x03,0xFF,0xFF,0xFF,0x00}; //600ms
// unsigned char AskRecognize[7] ={0x50,0x1B,0x04,0xFF,0xFF,0xFF,0xFF};
unsigned char AckYesRecog[8] = {0x50,0x1B,0x04,0xFF,0xFF,0xFF,0xFF,0x00};
// unsigned char AckNoRecog[7]={0x50,0x1B,0x04,0x00,0x00,0x00,0x00};
unsigned char HostReady[8] = {0x50,0x1C,0x04,0xff,0xff,0xff,0xff,0x00};
// unsigned char SetEvenOn[7] = {0x50,0x1D,0x04,0x01,0xFF,0xFF,0xFF};
unsigned char SetEvenOff[8] = {0x50,0x1D,0x04,0x00,0xFF,0xFF,0xFF,0x00};
unsigned char PenTimeOffset[8]={0x50,0x1E,0x04,0x01,0xFF,0xFF,0xFF,0x00};
unsigned char ComboCodeTab[8] ={0x50,0x41,0x04,0x00,0xFF,0xFF,0xFF,0x00};
unsigned char TradCodeTab[8]={0x50,0x41,0x04,0x01,0xFF,0xFF,0xFF,0x00};
unsigned char SimpleCodeTab[8]={0x50,0x41,0x04,0x02,0xFF,0xFF,0xFF,0x00};
unsigned char SoftReset[8]={0x50,0x42,0x04,0xFF,0xFF,0xFF,0xFF,0x00};
unsigned char InitPowerOn[8]={0x50,0x42,0x04,0x00,0x00,0x00,0x00,0x00};
unsigned char AbortInking[8]={0x50,0x43,0x04,0xFF,0xFF,0xFF,0xFF,0x00};
unsigned char Calibration[8]={0x50,0x44,0x04,0xFF,0xFF,0xFF,0xFF,0x00};
// unsigned char SetTopLeft[7]={0x50,0x44,0x04,0x25,0x36,0xFF,0xFF};
// unsigned char SetBotRight[7]={0x50,0x44,0x04,0xFF,0xFF,0xd7,0xec};
unsigned char WriteArea[8] = {0x50,0x46,0x04,0x00,0x00,0xA0,0xF0,0x00}; //240x160
unsigned char SetRecogMode[8] = {0x50,0x49,0x04,0x00,0xFF,0xFF,0xFF,0x00};
unsigned char SetGraphicMode[8] = {0x50,0x49,0x04,0x01,0xFF,0xFF,0xFF,0x00};
unsigned char IdleTime[8]={0x50,0x4A,0x04,0x01,0x02,0xFF,0xFF,0x00}; //tap wakeup and 15s
unsigned char AckError[8]={0x50,0x00,0x04,0x00,0x00,0x00,0x00,0x00};
// unsigned char RotateMode[7]={0x50,0x4C,0x04,0x30,0xFF,0xFF,0xFF};
#if 0
void ClearHwArea(void)
{
unsigned char x,y;
OpenLCD();
WriteLCDCmd(0x30); // EXT =0
WriteLCDCmd(0x75);
WriteLCDData(65);
WriteLCDData(159);
WriteLCDCmd(0x15); //column address set
WriteLCDData(66/3+31); //start column
WriteLCDData(66/3+93/3+31-1); //end column
WriteLCDCmd(0x5C); //entry memory write mode
RS_H();
sfrMediaType = MEDIA_NANDFLASH;
sfrNfTime = LCD_TIME;
sfrNfMode = 0x01;
for(y=0;y<93;y++)
{
for(x = 0; x < 31 ;x++)
{
sfrNfData = 0xf8;
sfrNfData = 0xf8;
sfrNfData = 0xf8;
}
}
CloseLCD();
}
#endif
void Pause( int x)
{
unsigned int i=255;
for(;x!=0;x--)
{
i=255;
for(;i!=0;i--)
{
;
}
}
return;
}
void delayms(int n)
{
for(;n>0;n--)Pause(200);
}
unsigned char GenerateCRC(unsigned char *Packet,int size)
{
int i;
unsigned char value;
value=0;
for(i=0;i<size-1;i++)
{
value ^= Packet[i];
value = CRCTable[value];
}
return value;
}
void *memcpy(void *pvTo, const void *pvFrom, size_t size)
{
if((NULL == pvTo) || (NULL == pvFrom))
return NULL;
unsigned char *pbTo = (unsigned char *) pvTo;
unsigned char *pbFrom = (unsigned char *) pvFrom;
while(size -- > 0 )
*pbTo ++ = *pbFrom ++ ;
return pvTo;
}
#if 1
void SendCommand(unsigned char *buf)
{
memcpy(g_eph.TraBuf,buf,8);
g_eph.TraLen = 0;
TI = 1;
while(1)
{
if(g_eph.TraLen>=8)
break;
}
g_eph.RecLen = 0;
g_eph.RecBuf[0] = 0xff;
QuickTouch = 0;
}
#endif
unsigned char ReceiveCommannd(void)
{
unsigned char len=0xff,tm;
unsigned char i=0;
tm = g_eph.RecLen;
while(1)
{
if(g_eph.RecBuf[0]==0)
{
//SysDeadDelay(4);
if(g_eph.RecLen==1)
{
//g_eph.RecLen = 0;
return 1;
}
else
{
g_eph.RecLen = 0;
return 0;
}
}
if(g_eph.RecLen>=3&&len==0xff)
{
len = g_eph.RecBuf[2];
if(len>32)
{
g_eph.RecLen = 0;
return 0;
}
}
if(g_eph.RecLen == len+4)
{
// g_eph.RecLen = 0;
return 1;
}
if(g_eph.RecLen>32)
{
g_eph.RecLen = 0;
return 0;
}
if(tm == g_eph.RecLen)
{
i++;
if(i==400)
{
g_eph.RecLen = 0;
return 0;
}
}
else
{
tm = g_eph.RecLen;
i = 0;
}
}
return 0;
}
unsigned char CheckReceiveOk(unsigned char *buf,unsigned char *str)
{
unsigned char i;
for(i=0;i<8;i++)
{
if(buf[i]!=str[i])
return 0;
}
return 1;
}
unsigned char WriteAndWait(unsigned char *buf,unsigned char *ptr)
{
unsigned char cyctime = 0,rec;
while(1)
{
SendCommand(buf);
// delayms(8);
rec=ReceiveCommannd();
if(rec)
{
if(CheckReceiveOk(ptr,g_eph.RecBuf))
{
// if(g_eph.RecLen==0)
// g_eph.RecBuf[0]=0xff;
delayms(10);
return 1;
}
}
// if(g_eph.RecLen==0)
// g_eph.RecBuf[0]=0xff;
delayms(12);
if(cyctime==5)
return 0;
cyctime++;
}
}
#if 0
bool PoweOnEph1100(void)
{
unsigned char buf[8];
ReceiveCommannd();
memcpy(buf,InitPowerOn,8);
buf[7]=GenerateCRC(buf,8);
if(CheckReceiveOk(buf,str))
return 1;
memcpy(buf,SoftReset,8);
buf[3]=0xff;
buf[7]=GenerateCRC(buf,8);
if(CheckReceiveOk(buf,str))
return 1;
return 0;
}
#endif
#if 0
unsigned char SetSoftReset(void)
{
unsigned char buf[8],ptr[8];
memcpy(buf,SoftReset,8);
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
if(!WriteAndWait(buf,ptr))
return 0;
return 1;
}
#endif
unsigned char SwitchInking(unsigned char mode)
{
unsigned char buf[8],ptr[8];
memcpy(buf,InkingOn,8);
buf[3]=mode;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
unsigned char SetPenupTime(unsigned char ti)
{
unsigned char buf[8],ptr[8];
memcpy(buf,PenupTime,8);
buf[3]=ti;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,7);
ptr[3]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
unsigned char SwitchEven(unsigned char even)
{
unsigned char buf[8],ptr[8];
memcpy(buf,SetEvenOff,8);
buf[3]=even;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,7);
ptr[3]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
unsigned char SetPenTimeOffset(unsigned char offset)
{
unsigned char buf[8],ptr[8];
memcpy(buf,PenTimeOffset,8);
buf[3]= offset;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
unsigned char SetWtiteArea(unsigned char left,unsigned char top,unsigned char right,unsigned char bottom)
{
unsigned char buf[8],ptr[8];
memcpy(buf,WriteArea,8);
buf[3]=left;
buf[4]=top;
buf[5]=right;
buf[6]=bottom;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[4]=0xff;
ptr[5]=0xff;
ptr[6]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
unsigned char SwitchGraphicMode(unsigned char mode)
{
unsigned char buf[8],ptr[8];
memcpy(buf,SetRecogMode,8);
buf[3]=mode;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
unsigned char SetIdleTime(unsigned char idle)
{
unsigned char buf[8],ptr[8];
memcpy(buf,IdleTime,8);
buf[4]=idle;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[4]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
/*************************************
mode: 01:chinese I
02:chinese II
04:capital letter
08:numeral
10:symbol
20:gesture
40:hiragana
80:katakana
*************************************/
#if 0
unsigned char SwitchRecognMode(unsigned char mode)
{
unsigned char buf[8],ptr[8];
memcpy(buf,SetCapsLetter,8);
buf[4]=mode;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
#endif
unsigned char SetCharactorMode(unsigned char mode,unsigned char type)
{
unsigned char buf[8],ptr[8];
memcpy(buf,SetCharactor,8);
buf[3]=mode;
buf[4]=type;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[4]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
unsigned char SwitchCodeTab(unsigned char mode)
{
unsigned char buf[8],ptr[8];
memcpy(buf,TradCodeTab,8);
buf[3]=mode;
buf[7]=GenerateCRC(buf,8);
memcpy(ptr,buf,8);
ptr[3]=0xff;
ptr[7]=GenerateCRC(ptr,8);
return WriteAndWait(buf,ptr);
}
unsigned char InitEph1100(void)
{
// DebugOutChar('1');
// if(!SetSoftReset())
// return 9;
// DebugOutChar('2');
QuickTouch = 0;
HwType = 0;
if(!SwitchCodeTab(0x02))
return 1;
// DebugOutChar('3');
if(!SwitchInking(1))
return 2;
// DebugOutChar('4');
// DebugOutChar('6');
if(!SwitchEven(1))
return 4;
// DebugOutChar('7');
if(!SetWtiteArea(0,0,0,0))
return 6;
if(!SetPenupTime(3))
return 3;
// DebugOutChar('5');
if(!SetPenTimeOffset(1))
return 5;
// DebugOutChar('8');
if(!SwitchGraphicMode(0)) //recogonition
return 7;
// DebugOutChar('9');
if(!SetIdleTime(2))
return 8;
if(!SetCharactorMode(3,0))
return 9;
// if(!SetHostReady())
// return 9;
// SetRotateMode();
/* {
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