displaylib.c

三星2443芯片

/*********************************************************************
;* Project Name : s3c2443x
;*
;* Copyright 2006 by Samsung Electronics, Inc.
;* All rights reserved.
;*
;* Project Description :
;* This software is only for verifying functions of the s3c2443x
;* Anybody can use this code without our permission.
;**********************************************************************/



#include "System.h"
#include "Display.h"
#include "DisplaySample.h"
#include "DisplaySample_240_320.h"
#include "DisplaySample_320_240.h"
#include "FONT.h"

#define GPIO_INITIAL		0

uint32 debug_print=0;
uint8 debug_continue=TRUE;
void (*PutPixel)(uint32 x,uint32 y,uint32 c);


void SetLcdPort(void)
{
	// set gpio for lcd
	rGPCCON = 0xaaaaaaaa;	// CTRL,  VD[7:0]
	rGPDCON = 0xaaaaaaaa;	// VD[23:8]

	rGPLCON = rGPLCON & ~(0x3ff<<20) | (0x1<< 28) | (0x1<< 26) | (0x1<< 24) | (0x1<< 22) | (0x1<< 20);
	rGPLDAT |= (0x1f<<10);

	#if 1 // tempory
	rGPBCON = (rGPBCON & ~(3<<8)) | (1<<8); // Backlight Pwm control
	rGPBDAT  |= (1<<8);
	#else // control the backlight using pwm timer output
	rGPBCON = (rGPBCON & ~(3<<8)) | (2<<8); // set Timer out
	#endif

	// LCD _nRESET control
	rGPBCON = (rGPBCON & ~(3<<2)) |(1<<2);
	rGPBDAT &= ~(1<<1);
	Delay(100);
	rGPBDAT |= (1<<1);
	Delay(100);

}

void delayLoop(uint32 count) 
{ 
    uint32 j; 
    for(j = 0; j < count; j++)  ; 
}


//===================================================
// functions related to LCDC general settings
//
void LCDC_Common_Init(void)
{
	uint8 clkval=0;
	uint16 hcync_cnt,vclk_cnt;

	rVIDCON0 = VIDCON0_S_RGB_IF|VIDCON0_S_RGB_PAR|VIDCON0_S_VCLK_GATING_OFF|VIDCON0_S_CLKDIR_DIVIDED|VIDCON0_S_CLKSEL_HCLK;
	//rVIDCON0 = VIDCON0_S_RGB_IF|VIDCON0_S_BGR_PAR|VIDCON0_S_VCLK_GATING_OFF|VIDCON0_S_CLKDIR_DIVIDED|VIDCON0_S_CLKSEL_HCLK;
	//rVIDCON0 = VIDCON0_S_RGB_IF|VIDCON0_S_RGB_PAR|VIDCON0_S_VCLK_GATING_OFF|VIDCON0_S_CLKDIR_DIVIDED|VIDCON0_S_CLKSEL_UPLL;
	
	hcync_cnt = (lcd_vbpd+lcd_vfpd+lcd_vspw+lcd_line_value);
	vclk_cnt = (lcd_hbpd+lcd_hfpd+lcd_hspw+lcd_horizon_value);
	
	if(rVIDCON0 & (1<<2))	//ePLL
	{
		clkval = (uint8)(((float)96000000/(float)(hcync_cnt*vclk_cnt*lcd_frame_rate*2))+0.5)-1;
		rEPLLCON = (40<<16)|(1<<8)|(1<<0); // M=40;P=1, S=1);
		rEPLLCON &= ~(1<<24); // epll on
	}
	else	//HCLK
	{
		clkval = (uint8)(((float)HCLK/(float)(hcync_cnt*vclk_cnt*lcd_frame_rate*2))+0.5)-1;
	}
	
	rVIDCON0 |= (clkval <<VIDCON0_CLKVAL_F_SHIFT);

	//check point
	rVIDCON1 = VIDCON1_S_HSYNC_INVERTED|VIDCON1_S_VSYNC_INVERTED;
	
	rVIDTCON0=((lcd_vbpd-1)<<VIDTCON0_BPD_S)|((lcd_vfpd-1)<<VIDTCON0_FPD_S)|(lcd_vspw-1);
	rVIDTCON1=((lcd_hbpd-1)<<VIDTCON0_BPD_S)|((lcd_hfpd-1)<<VIDTCON0_FPD_S)|(lcd_hspw-1);
	rVIDTCON2 = ((lcd_line_value-1)<<VIDTCON2_LINEVAL_S)|(lcd_horizon_value-1);
}



//===================================================
// functions related to LCDC general settings
//
void LCDC_Common_Init_Serial(void)
{
	uint8 clkval=0;
	uint16 hcync_cnt,vclk_cnt;

	rVIDCON0 = VIDCON0_S_RGB_IF|VIDCON0_S_RGB_SER|VIDCON0_S_VCLK_GATING_OFF|VIDCON0_S_CLKDIR_DIVIDED|VIDCON0_S_CLKSEL_HCLK;

	hcync_cnt = (lcd_vbpd+lcd_vfpd+lcd_vspw+lcd_line_value);
	vclk_cnt = (lcd_hbpd+lcd_hfpd+lcd_hspw+lcd_horizon_value);
	
	if(rVIDCON0 & (1<<2))	//ePLL
	{
		clkval = (uint8)(((float)96000000/(float)(hcync_cnt*vclk_cnt*lcd_frame_rate*2))+0.5)-1;
		rEPLLCON = (40<<16)|(1<<8)|(1<<0); // M=40;P=1, S=1);
		rEPLLCON &= ~(1<<24); // epll on
	}
	else	//HCLK
	{
		clkval = (uint8)(((float)HCLK/(float)(hcync_cnt*vclk_cnt*lcd_frame_rate*2))+0.5)-1;
	}
	
	rVIDCON0 |= (clkval <<VIDCON0_CLKVAL_F_SHIFT);

	//check point
	rVIDCON1 = VIDCON1_S_HSYNC_INVERTED|VIDCON1_S_VSYNC_INVERTED;
	
	rVIDTCON0=((lcd_vbpd-1)<<VIDTCON0_BPD_S)|((lcd_vfpd-1)<<VIDTCON0_FPD_S)|(lcd_vspw-1);
	rVIDTCON1=((lcd_hbpd-1)<<VIDTCON0_BPD_S)|((lcd_hfpd-1)<<VIDTCON0_FPD_S)|(lcd_hspw-1);
	rVIDTCON2 = ((lcd_line_value-1)<<VIDTCON2_LINEVAL_S)|(lcd_horizon_value-1);
}

#if 0
void Basic_Display_Setting( int32 win_num,int32 buf_num, int32 bpp, uint32 width, uint32 height)
{
	uint32 pagewidth_in_byte=0,offsize_in_byte=0;
	uint32 pagewidth,offsize;

	lcd_bpp = bpp;
	
	screen_width=width;
	screen_height=height;

	pagewidth=lcd_horizon_value;
	offsize = screen_width - lcd_horizon_value;

	switch(bpp)
	{
		case WINCONx_1BPP_PALLET:
			PutPixel=_PutPixel1Bit;
			break;
		case WINCONx_2BPP_PALLET:
			PutPixel=_PutPixel2Bit;
			break;
		case WINCONx_4BPP_PALLET:
			PutPixel=_PutPixel4Bit;
			break;
		case WINCONx_8BPP_PALLET:
		case WINCONx_8BPP_NO_PALLET:
			PutPixel=_PutPixel8Bit;
			break;
		case WINCONx_16BPP_565:
		case WINCONx_16BPP_A555:
		case WINCONx_16BPP_1555:
			PutPixel=_PutPixel16Bit;
			break;
		case WINCONx_18BPP_666:
		case WINCONx_18BPP_A665:
		case WINCONx_19BPP_A666:
		case WINCONx_24BPP_888:
		case WINCONx_24BPP_A887:
		case WINCONx_25BPP_A888:
			PutPixel=_PutPixel32Bit;
			break;
			
	}

	// 2006.06.02
	// Frame buffer address setting : Windows0 have the two buffer like as buffer0, buffer1. 
	// Each buffer have the register for setting the start and end address. But Window1 have one buffer
	// base lcd_framebuffer = Noncache address(0x31000000)

	pagewidth_in_byte = pagewidth/8*lcd_bit_order[bpp];
	if((pagewidth_in_byte%lcd_burst_in_byte[lcd_burst_mode])!=0)
	{
		pagewidth_in_byte += lcd_burst_in_byte[lcd_burst_mode] - (pagewidth_in_byte%lcd_burst_in_byte[lcd_burst_mode]);
	}		
	offsize_in_byte = offsize/8*lcd_bit_order[bpp];

	LCDC_Common_Init();

	*WINCONx_Reg_Addr[win_num] = (buf_num<<WINCON_BUFSEL)|(0<<WINCON_BUFAUTOEN)|(0<<WINCON_SWAP_S)|(lcd_burst_mode<<WINCON_BURSTLEN_S)|(bpp<<WINCON_BPP_S); // 4word burst, 16bpp, 
	*VIDOSDxA_Reg_Addr[win_num] = (0<<VIDOSDxAB_HORIZON_X_S)|(0);
	*VIDOSDxB_Reg_Addr[win_num] = ((lcd_horizon_value-1)<<VIDOSDxAB_HORIZON_X_S)|(lcd_line_value-1);	

	lcd_framebuffer = (uint32 *)lcd_frame_buffer[win_num][buf_num];

	// buffer start address
	*VIDWxADD0_Reg_Addr[win_num][buf_num] = (uint32)lcd_framebuffer;		
	// buffer end address
	*VIDWxADD1_Reg_Addr[win_num][buf_num] = (uint32)lcd_framebuffer + (pagewidth_in_byte+offsize_in_byte)*(lcd_line_value);
	// buffer size 
	*VIDWxADD2_Reg_Addr[win_num][buf_num] = (offsize_in_byte<<VIDWxADD2_OFFSET_SIZE_S)|pagewidth_in_byte;

	*WINxMAP_Reg_Addr[win_num] = 0;

	if (win_num>0)
	{
		*VIDOSDxC_Reg_Addr[win_num] = 0;
		
		*WxKEYCON0_Reg_Addr[win_num] = 0;
		*WxKEYCON1_Reg_Addr[win_num] = 0;
	
	}
}
#else
void Basic_Display_Setting( int32 win_num,int32 buf_num, int32 bpp, uint32 width, uint32 height)
{
	uint32 pagewidth_in_byte=0,offsize_in_byte=0;
	uint32 pagewidth,offsize;

	lcd_bpp = bpp;
	
	screen_width=width;
	screen_height=height;

	pagewidth=lcd_horizon_value;
	offsize = screen_width - lcd_horizon_value;

	switch(bpp)
	{
		case WINCONx_1BPP_PALLET:
			PutPixel=_PutPixel1Bit;
			break;
		case WINCONx_2BPP_PALLET:
			PutPixel=_PutPixel2Bit;
			break;
		case WINCONx_4BPP_PALLET:
			PutPixel=_PutPixel4Bit;
			break;
		case WINCONx_8BPP_PALLET:
		case WINCONx_8BPP_NO_PALLET:
			PutPixel=_PutPixel8Bit;
			break;
		case WINCONx_16BPP_565:
		case WINCONx_16BPP_A555:
		case WINCONx_16BPP_1555:
			PutPixel=_PutPixel16Bit;
			break;
		case WINCONx_18BPP_666:
		case WINCONx_18BPP_A665:
		case WINCONx_19BPP_A666:
		case WINCONx_24BPP_888:
		case WINCONx_24BPP_A887:
		case WINCONx_25BPP_A888:
			PutPixel=_PutPixel32Bit;
			break;
			
	}

	// 2006.06.02
	// Frame buffer address setting : Windows0 have the two buffer like as buffer0, buffer1. 
	// Each buffer have the register for setting the start and end address. But Window1 have one buffer
	// base lcd_framebuffer = Noncache address(0x31000000)

	pagewidth_in_byte = pagewidth/8*lcd_bit_order[bpp];
	if((pagewidth_in_byte%lcd_burst_in_byte[lcd_burst_mode])!=0)
	{
		pagewidth_in_byte += lcd_burst_in_byte[lcd_burst_mode] - (pagewidth_in_byte%lcd_burst_in_byte[lcd_burst_mode]);
	}		
	offsize_in_byte = offsize/8*lcd_bit_order[bpp];

	LCDC_Common_Init();

	*WINCONx_Reg_Addr[win_num] = (buf_num<<WINCON_BUFSEL)|(0<<WINCON_BUFAUTOEN)|(0<<WINCON_SWAP_S)|(lcd_burst_mode<<WINCON_BURSTLEN_S)|(bpp<<WINCON_BPP_S); // 4word burst, 16bpp, 
	*VIDOSDxA_Reg_Addr[win_num] = (0<<VIDOSDxAB_HORIZON_X_S)|(0);
	*VIDOSDxB_Reg_Addr[win_num] = ((lcd_horizon_value-1)<<VIDOSDxAB_HORIZON_X_S)|(lcd_line_value-1);	

	lcd_framebuffer = (uint32 *)lcd_frame_buffer[win_num][buf_num];

	// buffer start address
	*VIDWxADD0_Reg_Addr[win_num][buf_num] = (uint32)lcd_framebuffer;		
	// buffer end address
	*VIDWxADD1_Reg_Addr[win_num][buf_num] = (uint32)lcd_framebuffer + (pagewidth_in_byte+offsize_in_byte)*(lcd_line_value);
	// buffer size 
	*VIDWxADD2_Reg_Addr[win_num][buf_num] = (offsize_in_byte<<VIDWxADD2_OFFSET_SIZE_S)|pagewidth_in_byte;

	*WINxMAP_Reg_Addr[win_num] = 0;

	if (win_num>0)
	{
		*VIDOSDxC_Reg_Addr[win_num] = 0;
		
		*WxKEYCON0_Reg_Addr[win_num] = 0;
		*WxKEYCON1_Reg_Addr[win_num] = 0;
	
	}
}
#endif

void Basic_Display_Setting_Serial( int32 win_num,int32 buf_num, int32 bpp, uint32 width, uint32 height)
{
	uint32 pagewidth_in_byte=0,offsize_in_byte=0;
	uint32 pagewidth,offsize;

	lcd_bpp = bpp;
	
	screen_width=width;
	screen_height=height;

	pagewidth=lcd_horizon_value;
	offsize = screen_width - lcd_horizon_value;

	switch(bpp)
	{
		case WINCONx_1BPP_PALLET:
			PutPixel=_PutPixel1Bit;
			break;
		case WINCONx_2BPP_PALLET:
			PutPixel=_PutPixel2Bit;
			break;
		case WINCONx_4BPP_PALLET:
			PutPixel=_PutPixel4Bit;
			break;
		case WINCONx_8BPP_PALLET:
		case WINCONx_8BPP_NO_PALLET:
			PutPixel=_PutPixel8Bit;
			break;
		case WINCONx_16BPP_565:
		case WINCONx_16BPP_A555:
		case WINCONx_16BPP_1555:
			PutPixel=_PutPixel16Bit;
			break;
		case WINCONx_18BPP_666:
		case WINCONx_18BPP_A665:
		case WINCONx_19BPP_A666:
		case WINCONx_24BPP_888:
		case WINCONx_24BPP_A887:
		case WINCONx_25BPP_A888:
			PutPixel=_PutPixel32Bit;
			break;
			
	}

	// 2006.06.02
	// Frame buffer address setting : Windows0 have the two buffer like as buffer0, buffer1. 
	// Each buffer have the register for setting the start and end address. But Window1 have one buffer
	// base lcd_framebuffer = Noncache address(0x31000000)

	pagewidth_in_byte = pagewidth/8*lcd_bit_order[bpp];
	if((pagewidth_in_byte%lcd_burst_in_byte[lcd_burst_mode])!=0)
	{
		pagewidth_in_byte += lcd_burst_in_byte[lcd_burst_mode] - (pagewidth_in_byte%lcd_burst_in_byte[lcd_burst_mode]);
	}		
	offsize_in_byte = offsize/8*lcd_bit_order[bpp];

	LCDC_Common_Init_Serial();

	*WINCONx_Reg_Addr[win_num] = (buf_num<<WINCON_BUFSEL)|(0<<WINCON_BUFAUTOEN)|(0<<WINCON_SWAP_S)|(lcd_burst_mode<<WINCON_BURSTLEN_S)|(bpp<<WINCON_BPP_S); // 4word burst, 16bpp, 
	*VIDOSDxA_Reg_Addr[win_num] = (0<<VIDOSDxAB_HORIZON_X_S)|(0);
	*VIDOSDxB_Reg_Addr[win_num] = ((lcd_horizon_value-1)<<VIDOSDxAB_HORIZON_X_S)|(lcd_line_value-1);	

	lcd_framebuffer = (uint32 *)lcd_frame_buffer[win_num][buf_num];

	// buffer start address
	*VIDWxADD0_Reg_Addr[win_num][buf_num] = (uint32)lcd_framebuffer;		
	// buffer end address
	*VIDWxADD1_Reg_Addr[win_num][buf_num] = (uint32)lcd_framebuffer + (pagewidth_in_byte+offsize_in_byte)*(lcd_line_value);
	// buffer size 
	*VIDWxADD2_Reg_Addr[win_num][buf_num] = (offsize_in_byte<<VIDWxADD2_OFFSET_SIZE_S)|pagewidth_in_byte;

	*WINxMAP_Reg_Addr[win_num] = 0;

	if (win_num>0)
	{
		*VIDOSDxC_Reg_Addr[win_num] = 0;
		
		*WxKEYCON0_Reg_Addr[win_num] = 0;
		*WxKEYCON1_Reg_Addr[win_num] = 0;
	
	}
}

void LCDC_Common_Init_CPUIF(void)
{
	uint8 clkval=0;
	uint16 hcync_cnt,vclk_cnt;
	hcync_cnt = (lcd_vbpd+lcd_vfpd+lcd_vspw+lcd_line_value);
	vclk_cnt = (lcd_hbpd+lcd_hfpd+lcd_hspw+lcd_horizon_value);

	rVIDCON0 = VIDCON0_S_CPU_IF_MAIN|VIDCON0_S_RGB_PAR|VIDCON0_S_VCLK_GATING_OFF|VIDCON0_S_CLKDIR_DIVIDED|VIDCON0_S_CLKSEL_HCLK;

	if(rVIDCON0 & (1<<2))	//ePLL
	{
		clkval = (uint8)(((float)96000000/(float)(hcync_cnt*vclk_cnt*lcd_frame_rate*2))+0.5)-1;
		rEPLLCON = (40<<16)|(1<<8)|(1<<0); // M=40;P=1, S=1);
		rEPLLCON &= ~(1<<24); // epll on
	}
	else	//HCLK
	{
		clkval = (uint8)(((float)HCLK/(float)(hcync_cnt*vclk_cnt*lcd_frame_rate*2))+0.5)-1;
	}
	
	rVIDCON0 |= (clkval <<VIDCON0_CLKVAL_F_SHIFT);

	//check point
	rSYSIFCON0 = (lcd_cs_setup<<16)|(lcd_wr_setup<<12)|(lcd_wr_act<<8)|(lcd_wr_hold<<4)|(1<<2)|(1<<1)|(1); // CS_SETUP=0xf, WR_SETUP=0xf, WR_ACT=0xf, WR_HOLD=0xf, RSPOL=HIGH, SUCCEUP=One time, SYSIFEN=Enable
	//rVIDCON1 = VIDCON1_S_HSYNC_INVERTED|VIDCON1_S_VSYNC_INVERTED;
	
	//rVIDTCON0=((lcd_vbpd-1)<<VIDTCON0_BPD_S)|((lcd_vfpd-1)<<VIDTCON0_FPD_S)|(lcd_vspw-1);
	//rVIDTCON1=((lcd_hbpd-1)<<VIDTCON0_BPD_S)|((lcd_hfpd-1)<<VIDTCON0_FPD_S)|(lcd_hspw-1);
	rVIDTCON2 = ((lcd_line_value-1)<<VIDTCON2_LINEVAL_S)|(lcd_horizon_value-1);
}

void Basic_Display_Setting_CPUIF( int32 win_num,int32 buf_num, int32 bpp, uint32 width, uint32 height)
{
	uint32 pagewidth_in_byte=0,offsize_in_byte=0;
	uint32 pagewidth,offsize;

	lcd_bpp = bpp;
	
	screen_width=width;
	screen_height=height;

	pagewidth=lcd_horizon_value;
	offsize = screen_width - lcd_horizon_value;

	switch(bpp)
	{
		case WINCONx_1BPP_PALLET:
			PutPixel=_PutPixel1Bit;
			break;
		case WINCONx_2BPP_PALLET:
			PutPixel=_PutPixel2Bit;
			break;
		case WINCONx_4BPP_PALLET:
			PutPixel=_PutPixel4Bit;
			break;
		case WINCONx_8BPP_PALLET:
		case WINCONx_8BPP_NO_PALLET:
			PutPixel=_PutPixel8Bit;
			break;
		case WINCONx_16BPP_565:
		case WINCONx_16BPP_A555:
		case WINCONx_16BPP_1555:
			PutPixel=_PutPixel16Bit;
			break;
		case WINCONx_18BPP_666:
		case WINCONx_18BPP_A665:
		case WINCONx_19BPP_A666:
		case WINCONx_24BPP_888:
		case WINCONx_24BPP_A887:
		case WINCONx_25BPP_A888:
			PutPixel=_PutPixel32Bit;
			break;
			
	}

	// 2006.06.02
	// Frame buffer address setting : Windows0 have the two buffer like as buffer0, buffer1. 
	// Each buffer have the register for setting the start and end address. But Window1 have one buffer
	// base lcd_framebuffer = Noncache address(0x31000000)

	pagewidth_in_byte = pagewidth/8*lcd_bit_order[bpp];
	if((pagewidth_in_byte%lcd_burst_in_byte[lcd_burst_mode])!=0)
	{
		pagewidth_in_byte += lcd_burst_in_byte[lcd_burst_mode] - (pagewidth_in_byte%lcd_burst_in_byte[lcd_burst_mode]);
	}		
	offsize_in_byte = offsize/8*lcd_bit_order[bpp];

	LCDC_Common_Init_CPUIF();

	*WINCONx_Reg_Addr[win_num] = (buf_num<<WINCON_BUFSEL)|(0<<WINCON_BUFAUTOEN)|(0<<WINCON_SWAP_S)|(lcd_burst_mode<<WINCON_BURSTLEN_S)|(bpp<<WINCON_BPP_S); // 4word burst, 16bpp, 
	*VIDOSDxA_Reg_Addr[win_num] = (0<<VIDOSDxAB_HORIZON_X_S)|(0);
	*VIDOSDxB_Reg_Addr[win_num] = ((lcd_horizon_value-1)<<VIDOSDxAB_HORIZON_X_S)|(lcd_line_value-1);	

	lcd_framebuffer = (uint32 *)lcd_frame_buffer[win_num][buf_num];

	// buffer start address
	*VIDWxADD0_Reg_Addr[win_num][buf_num] = (uint32)lcd_framebuffer;		
	// buffer end address
	*VIDWxADD1_Reg_Addr[win_num][buf_num] = (uint32)lcd_framebuffer + (pagewidth_in_byte+offsize_in_byte)*(lcd_line_value);
	// buffer size 
	*VIDWxADD2_Reg_Addr[win_num][buf_num] = (offsize_in_byte<<VIDWxADD2_OFFSET_SIZE_S)|pagewidth_in_byte;