lcd.c

The firmware test code for s3c2440

//====================================================================
// File Name : LCD.c
// Function  : S3C2440 LCD test code
// Program   : 
// Date      : Apr. 21, 2003
// Version   : 0.0
// History
// -2410
//   0.0 : Programming start  ???
// -2440
//   R0.0 (20030421): Modified for 2440. -> Junon
//====================================================================

#include <string.h>
#include "def.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h"
#include "lcdlib.h"
#include "glib.h"
#include "lcd.h"
#include "DEMO256.h"


void Lcd_Port_Init(void);
void Lcd_Port_Return(void);
void Lcd_Palette1Bit_Init(void);
void Lcd_Palette8Bit_Init(void);
void __irq Lcd_Int_Frame(void);
void __irq Lcd_Int_Fifo(void);
void __irq Lcd_Int_Fifo_640480(void);
void Select_Tcon(void);

void Test_Lcd_Palette_Ram(void);
void Test_Lcd_Underrun(void);
void Test_Lcd_Tft_16Bit_800600(void);
void Test_Lcd_Tft_16Bit_800600_On(void);


unsigned save_rGPCUP,save_rGPCDAT,save_rGPCCON;
unsigned save_rGPDUP,save_rGPDDAT,save_rGPDCON; 
unsigned lcd_count;


void * func_lcd_test[][2]=
{	
//									    "0123456789012345" max 15磊 肺茄沥窍咯 comment窍技夸.
//LCD 	
	(void *)Test_Lcd_Palette_Ram, 					"LCD Palette RAM",
	
	(void *)Test_Lcd_Stn_1Bit,							"STN 1Bit       ",
	(void *)Test_Lcd_Stn_2Bit,							"STN 2Bit       ",
	(void *)Test_Lcd_Stn_4Bit,							"STN 4Bit       ", 	 

	(void *)Test_Lcd_Cstn_8Bit, 							"CSTN 8Bit      ",
	(void *)Test_Lcd_Cstn_8Bit_On,					"CSTN 8Bit On   ", 	 
	(void *)Test_Lcd_Cstn_12Bit,						"CSTN 12Bit     ",
	(void *)Test_Lcd_Cstn_16Bit,						"CSTN 16Bit     ",

	(void *)Test_Lcd_Tft_8Bit_240320, 			"TFT240320 8Bit ",
	(void *)Test_Lcd_Tft_8Bit_240320_On,		"TFT240320 8 On ", 	 
	(void *)Test_Lcd_Tft_16Bit_240320,			"TFT240320 16Bit",
	(void *)Test_Lcd_Tft_8Bit_240320_Bmp, 	"TFT240320 Bmp  ",
	(void *)Test_Lcd_Tft_8Bit_240320_IntFr, "TFT240320 FrINT",
	(void *)Test_Lcd_Tft_8Bit_240320_IntFi, "TFT240320 FiINT",

	(void *)Test_Lcd_Tft_1Bit_640480, 			"TFT640480 1Bit ",
	(void *)Test_Lcd_Tft_8Bit_640480, 			"TFT640480 8Bit ",
	(void *)Test_Lcd_Tft_16Bit_640480,			"TFT640480 16Bit",

	(void *)Test_Lcd_Tft_8Bit_640480_Bswp,	"TFT640480 BSWP ",
	(void *)Test_Lcd_Tft_8Bit_640480_Palette, "TFT640480 Palet",  
	(void *)Test_Lcd_Tft_16Bit_640480_Hwswp,"TFT640480 HWSWP",

	(void *)Test_Lcd_Tft_1Bit_800600, 			"TFT800600 1Bit ",
	(void *)Test_Lcd_Tft_8Bit_800600, 			"TFT800600 8Bit ",
	(void *)Test_Lcd_Tft_16Bit_800600, 			"TFT800600 16Bit",
	
	(void *)Test_Lcd_Underrun,							"LCD Underrun   ",

	0,0
};

void Lcd_Test(void)
{
	int i;
	
	Uart_Printf("\n======  LCD Test program start ======\n");
		
	while(1)
	{
		i=0;
		Uart_Printf("\n\n");
		while(1)
		{   //display menu
			Uart_Printf("%2d:%s",i,func_lcd_test[i][1]);
			i++;
			if((int)(func_lcd_test[i][0])==0)
			{
				Uart_Printf("\n");
				break;
			}
			if((i%4)==0)
			Uart_Printf("\n");
		}

		Uart_Printf("\nPress only Enter key to exit : ");
		i = Uart_GetIntNum();
		if(i==-1) break;		// return.
		if(i>=0 && (i<((sizeof(func_lcd_test)-1)/8)) )	// select and execute...
			( (void (*)(void)) (func_lcd_test[i][0]) )();
	}
	
	Uart_Printf("\n====== LCD Test program end ======\n");
}


void Lcd_Port_Init(void)
{
    save_rGPCCON=rGPCCON;
    save_rGPCDAT=rGPCDAT;
    save_rGPCUP=rGPCUP;
    save_rGPDCON=rGPDCON;
    save_rGPDDAT=rGPDDAT;
    save_rGPDUP=rGPDUP;
    rGPCUP=0xffffffff; // Disable Pull-up register
    rGPCCON=0xaaaaaaaa; //Initialize VD[7:0],LCDVF[2:0],VM,VFRAME,VLINE,VCLK,LEND 
    rGPDUP=0xffffffff; // Disable Pull-up register
    rGPDCON=0xaaaaaaaa; //Initialize VD[23:8]
    Uart_Printf("Initializing GPIO ports..........\n");
}

void Lcd_Port_Return(void)
{
    rGPCCON=save_rGPCCON;
    rGPCDAT=save_rGPCDAT;
    rGPCUP=save_rGPCUP;
    rGPDCON=save_rGPDCON;
    rGPDDAT=save_rGPDDAT;
    rGPDUP=save_rGPDUP;
}

void Lcd_Palette1Bit_Init(void)
{
    U32 *palette;
    palette=(U32 *)PALETTE;
    *palette++=0x0; // Black
    *palette=0xffff; // White
}

void Lcd_Palette8Bit_Init(void)
{
    int i;	
    U32 *palette;

	palette=(U32 *)PALETTE;
	if (rLCDCON5&(1<<11)) // if 5:6:5 format
		for(i=0;i<256;i++) *palette++=DEMO256pal[i];
	else // if 5:5:5:1 format
		for(i=0;i<256;i++) *palette++=(DEMO256pal[i]&0xffc1)|((DEMO256pal[i]&0x1f)<<1);	
}

void Lcd_Start(U32 mode)
{
// LCD initialize
	Lcd_Port_Init();
	Lcd_Init(mode);
	Glib_Init(mode);
	Select_Tcon();
	Lcd_PowerEnable(0, 1);
	Lcd_EnvidOnOff(1);
	Glib_ClearScr(0, mode);
}

//Just interrupt test..
void __irq Lcd_Int_Frame(void)
{
    rLCDINTMSK|=3; // Mask LCD SUB Interrupt

    // GPG4 is LCD_PWREN 
    rGPGDAT&=(~(1<<4)); // GPG4=Low
    Delay(50); // 5ms
    rGPGDAT|=(1<<4); //GPG4=High

    rLCDSRCPND=2; // Clear LCD SUB Interrupt source pending
    rLCDINTPND=2; // Clear LCD SUB Interrupt pending
    rLCDINTMSK&=(~(2)); // Unmask LCD FRAME Interrupt
    ClearPending(BIT_LCD);
}


void __irq Lcd_Int_Fifo(void)
{
    rLCDINTMSK|=3; // Mask LCD SUB Interrupt

    if((lcd_count%20)==0) Uart_Printf("\n");
    Uart_Printf(".");
    lcd_count++;

    rLCDSRCPND=1; // Clear LCD SUB Interrupt source pending
    rLCDINTPND=1; // Clear LCD SUB Interrupt pending
    rLCDINTMSK&=(~(1)); // Unmask LCD FRAME Interrupt
    ClearPending(BIT_LCD);
}

void Test_Lcd_Stn_1Bit(void)
{
    int i,j;
    Lcd_Port_Init();
    Lcd_Init(MODE_STN_1BIT);
    Glib_Init(MODE_STN_1BIT);
    Lcd_EnvidOnOff(1); // Enable ENVID Bit
    Uart_Printf("[STN Mono(1bit/1pixel) LCD Test]\n");              

    Glib_ClearScr(0, MODE_STN_1BIT);
    for(j=0;j<LCD_YSIZE_STN;j+=16)
		for(i=0;i<LCD_XSIZE_STN;i+=16)
		    Glib_FilledRectangle(i,j,i+15,j+15,((j+i)/16)%2);
    Uart_Printf("STN Mono test 1. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_1BIT);
    Glib_FilledRectangle(160,0,319,239,1);    //Half Screen
    Uart_Printf("STN Mono test 2. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_1BIT); 
    Glib_Rectangle(0,0,319,239,1);   // #0
    Glib_Line(0,0,319,239,1);        // 00
    Glib_Line(0,239,319,0,1);

    Glib_Rectangle(0+320,0,319+320,239,1);   // 0#
    Glib_Line(0+320,0,319+320,239,1);        // 00
    Glib_Line(0+320,239,319+320,0,1);
    Glib_FilledRectangle(50+320,50,269+320,189,1);

    Glib_Rectangle(0,0+240,319,239+240,1);   // 00
    Glib_Line(0,0+240,319,239+240,1);        // #0
    Glib_Line(0,239+240,319,0+240,1);
    Glib_FilledRectangle(50,50+240,269,189+240,1);
    
    Glib_Rectangle(0+320,0+240,319+320,239+240,1);   // 00	
    Glib_Line(0+320,0+240,319+320,239+240,1);        // 0#
    Glib_Line(0+320,239+240,319+320,0+240,1);
    Glib_Rectangle(50+320,50+240,269+320,189+240,1);

    Uart_Printf("Virtual Screen Test(STN Mono). Press any key[ijkm\\r]!\n");
    MoveViewPort(MODE_STN_1BIT);
    Lcd_MoveViewPort(0,0,MODE_STN_1BIT);
    Lcd_EnvidOnOff(0); // Disable ENVID Bit
    Lcd_Port_Return();
}


void Test_Lcd_Stn_2Bit(void)
{
    int i,j,k;
    Lcd_Port_Init();
    Lcd_Init(MODE_STN_2BIT);
    Glib_Init(MODE_STN_2BIT);
    Lcd_EnvidOnOff(1); // Enable ENVID Bit
    Uart_Printf("[STN 4 gray(2bit/1pixel) LCD Test]\n");

    Glib_ClearScr(0, MODE_STN_2BIT);
    j=0;
    for(i=0;i<320;i+=80)
        Glib_FilledRectangle(0+i,0,79+i,239,j++);
    Uart_Printf("4 gray mode test 1. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_2BIT);
    j=0;
    for(i=0;i<320;i+=80)
    {
    	Glib_FilledRectangle(0+i,0,79+i,119,j);
    	Glib_FilledRectangle(0+i,120,79+i,239,3-j);
    	j++;
    }
    Uart_Printf("4 gray mode test 2. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_2BIT);
    j=0;
    for(i=0;i<240;i+=60)
    {
    	Glib_FilledRectangle(i,i,i+59,i+59,j);
    	j++;
    }
    Uart_Printf("4 gray mode test 3. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_2BIT);
    k=0;
    for(i=160;i<480;i+=80)
    {
    	for(j=120;j<360;j+=60)
    	{
    	    Glib_FilledRectangle(i,j,i+79,j+59,k%4);
    	    k++;
    	}
    	k+=2;;
    }

    // #0
    // 00
    Glib_Rectangle(0,0,319,239,3);   
    Glib_Line(0,0,319,239,3);        
    Glib_Line(0,239,319,0,3);

    // 0#
    // 00
    Glib_Rectangle(0+320,0,319+320,239,3);          
    Glib_Line(0+320,0,319+320,239,3);        
    Glib_Line(0+320,239,319+320,0,3);

    // 00
    // #0
    Glib_Rectangle(0,0+240,319,239+240,3);          
    Glib_Line(0,0+240,319,239+240,3);        
    Glib_Line(0,239+240,319,0+240,3);

    // 00
    // 0#
    Glib_Line(0+320,0+240,319+320,239+240,3);        
    Glib_Line(0+320,239+240,319+320,0+240,3);
    Glib_Rectangle(50+320,50+240,269+320,189+240,3);

    Uart_Printf("Virtual Screen Test(STN 4 gray). Press any key[ijkm\\r]!\n");
    MoveViewPort(MODE_STN_2BIT);
    Lcd_MoveViewPort(0,0,MODE_STN_2BIT);
    Lcd_EnvidOnOff(0); // Disable ENVID Bit
    Lcd_Port_Return();
}


void Test_Lcd_Stn_4Bit(void)
{
    int i,j,k;
    Lcd_Port_Init();
    Lcd_Init(MODE_STN_4BIT);
    Glib_Init(MODE_STN_4BIT);
    Lcd_EnvidOnOff(1);
    Uart_Printf("[STN 16 gray(4bit/1pixel) LCD Test]\n");

    Glib_ClearScr(0, MODE_STN_4BIT);
    j=0;
    for(i=0;i<320;i+=20)
        Glib_FilledRectangle(0+i,0,19+i,239,j++);
    Uart_Printf("16 gray mode test 1. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_4BIT);
    j=0;
    for(i=0;i<320;i+=20)
    {
    	Glib_FilledRectangle(0+i,0,19+i,119,j);
    	Glib_FilledRectangle(0+i,120,19+i,239,15-j);
    	j++;
    }
    Uart_Printf("16 gray mode test 2. Press any key!\n");
    Uart_Getch();  	


    Glib_ClearScr(0, MODE_STN_4BIT);
    j=0;
    for(i=0;i<240;i+=30)
    {
    	Glib_FilledRectangle(i,i,i+29,i+29,j);
    	Glib_FilledRectangle(i+110,i,i+29+110,i+29,j+8);
    	j++;
    }
    Uart_Printf("4 gray mode test 3. Press any key!\n");
    Uart_Getch();  	 


    Glib_ClearScr(0, MODE_STN_4BIT);
    k=0;
    for(i=160;i<480;i+=40)
    	for(j=120;j<360;j+=30)
    	{
    	    Glib_FilledRectangle(i,j,i+39,j+29,k%16);
    	    k++;
    	}
    		    
    // #0		    
    // 00		    
    Glib_Rectangle(0,0,319,239,15);   
    Glib_Line(0,0,319,239,15);        
    Glib_Line(0,239,319,0,15);

    // 0#
    // 00
    Glib_Rectangle(0+320,0,319+320,239,15);
    Glib_Line(0+320,0,319+320,239,15);        
    Glib_Line(0+320,239,319+320,0,15);

    // 00
    // #0
    Glib_Rectangle(0,0+240,319,239+240,15);
    Glib_Line(0,0+240,319,239+240,15);        
    Glib_Line(0,239+240,319,0+240,15);

    // 00
    // 0#
    Glib_Rectangle(0+320,0+240,319+320,239+240,15);
    Glib_Line(0+320,0+240,319+320,239+240,15);     
    Glib_Line(0+320,239+240,319+320,0+240,15);
    Glib_Rectangle(50+320,50+240,269+320,189+240,15);

    Uart_Printf("Virtual Screen Test(STN 16 gray). Press any key[ijkm\\r]!\n");
    MoveViewPort(MODE_STN_4BIT);
    Lcd_MoveViewPort(0,0,MODE_STN_4BIT);
    Lcd_EnvidOnOff(0);
    Lcd_Port_Return();
}


void Test_Lcd_Cstn_8Bit(void)
{
    int i,j,k;
    Lcd_Port_Init();