lcd.c

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/******************************************************
* Function: s3c2440 lcd driver
*
* File:   lcd.c
* Author: Book Chen
* Date:   2008.07.18
*******************************************************
*/
#include "includes.h"

#define LcdIdleState 0

//volatile static unsigned short (*pLcdBuffer)[SCR_XSIZE_TFT_640480]=(void *)0x33400000;
LCD_CONTROL LcdControl; 

void F_LcdInit(void);
void F_LcdSvc(void);
INT8U F_LcdInUseCheck(void);
INT8U F_LcdAllocate(INT16U UserId);
INT8U F_LcdRelease(INT16U UserId);
INT8U F_LcdEnable(INT16U UserId);
INT8U F_LcdDisable(INT16U UserId);
INT8U F_LcdLcdcon1Set(INT16U UserId,INT32U Lcdcon1);
INT8U F_LcdLcdcon2Set(INT16U UserId,INT32U Lcdcon2);
INT8U F_LcdLcdcon3Set(INT16U UserId,INT32U Lcdcon3);
INT8U F_LcdLcdcon4Set(INT16U UserId,INT32U Lcdcon4);
INT8U F_LcdLcdcon5Set(INT16U UserId,INT32U Lcdcon5);
INT8U F_LcdLcdsaddr1Set(INT16U UserId,INT32U Lcdsaddr1);
INT8U F_LcdLcdsaddr2Set(INT16U UserId,INT32U Lcdsaddr2);
INT8U F_LcdLcdsaddr3Set(INT16U UserId,INT32U Lcdsaddr3);
INT8U F_LcdRedlutSet(INT16U UserId,INT32U Redlut);
INT8U F_LcdGreenlutSet(INT16U UserId,INT32U Greenlut);
INT8U F_LcdBluelutSet(INT16U UserId,INT32U Bluelut);
INT8U F_LcdDithmodeSet(INT16U UserId,INT32U Dithmode);
INT8U F_LcdTpalSet(INT16U UserId,INT32U Tpal);
INT8U F_LcdLcdintpndSet(INT16U UserId,INT32U Lcdintpnd);
INT8U F_LcdLcdsrcpndSet(INT16U UserId,INT32U Lcdsrcpnd);
INT8U F_LcdLcdintmskSet(INT16U UserId,INT32U Lcdintmsk);
INT8U F_LcdLpcselSet(INT16U UserId,INT32U Lpcsel);


void F_LcdInit(void){
    //******
    // GPIO port initial for LCD 
    //******
    rGPCUP=0xffffffff;  // disable pull up resistor for GPIO C
    rGPCCON=0xaaaa56a9; // initial value of VD[7:0],LCDVF[2:0],VM,VFRAME,VLINE,VCLK,LEND 
    //rGPCCON=0xaaaaaaaa; 
    rGPDUP=0xffffffff;  // disable pull up register for FPIO D
    rGPDCON=0xaaaaaaaa; // VD[15:8]    
    //******
    // LCD register initial
    //******
    LcdControl.pLcdRegster=(LCD_REGISTER *)0x4d000000;
    LcdControl.pLcdRegster->LCDCON1=0x00000000;
    LcdControl.pLcdRegster->LCDCON2=0x00000000;
    LcdControl.pLcdRegster->LCDCON3=0x00000000;
    LcdControl.pLcdRegster->LCDCON4=0x00000000;
    LcdControl.pLcdRegster->LCDCON5=0x00000000;
    LcdControl.pLcdRegster->LCDSADDR1=0x00000000;
    LcdControl.pLcdRegster->LCDSADDR2=0x00000000;
    LcdControl.pLcdRegster->LCDSADDR3=0x00000000;   
    LcdControl.pLcdRegster->LCDINTMSK=0x00000003;
    LcdControl.pLcdRegster->LPCSEL=0x00000004;
    LcdControl.pLcdRegster->TPAL=0;

    /*LcdControl.pLcdRegster->LCDCON1=LCD_CLKVAL_0|LCD_MMODE_1|LCD_PNRMODE_3|
                                    LCD_BPPMODE_9|LCD_ENVID_DISABLE;
    LcdControl.pLcdRegster->LCDCON2=LCD_VBPD|LCD_LINEVAL|LCD_VFPD|LCD_VSPW;    
    LcdControl.pLcdRegster->LCDCON3=LCD_HBPD|LCD_HOZVAL|LCD_HFPD;
    LcdControl.pLcdRegster->LCDCON4=LCD_MVAL|LCD_HSPW;
    LcdControl.pLcdRegster->LCDCON5=LCD_FRM565_1|LCD_INVVCLK_1|LCD_PWREN_1|
                                    LCD_HWSWP_1;
    LcdControl.pLcdRegster->LCDSADDR1=(((INT32U)pLcdBuffer>>22)<<21)|(((INT32U)pLcdBuffer>>1)&0x1fffff);
    LcdControl.pLcdRegster->LCDSADDR2=(((INT32U)pLcdBuffer+(LCD_HORIZONTAL_SIZE*LCD_VERTICAL_SIZE*2))>>1)&0x1fffff;
    LcdControl.pLcdRegster->LCDSADDR3=(0<<11)|(LCD_HORIZONTAL_SIZE);   
    LcdControl.pLcdRegster->LCDINTMSK|=3;
    LcdControl.pLcdRegster->LPCSEL&=~7;
    LcdControl.pLcdRegster->TPAL=0;
    */
    LcdControl.InUse=FALSE;
    LcdControl.Id=ID_LCD;
    LcdControl.State=LcdIdleState;
}
void F_LcdSvc(void){}
INT8U F_LcdInUseCheck(void){
    if(LcdControl.InUse==TRUE) return TRUE;
    else return FALSE;
}
INT8U F_LcdAllocate(INT16U UserId){
    if(LcdControl.InUse==FALSE){
        LcdControl.InUse=TRUE;
        LcdControl.UserId=UserId;
        return TRUE;
    } 
    else return FALSE;
}
INT8U F_LcdRelease(INT16U UserId){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.InUse=FALSE;
        return TRUE;
    } 
    else return FALSE;
}
INT8U F_LcdEnable(INT16U UserId){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){        
        LcdControl.pLcdRegster->LCDCON1|=0x01;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdDisable(INT16U UserId){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDCON1&=~0x01;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdcon1Set(INT16U UserId,INT32U Lcdcon1){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDCON1=Lcdcon1;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdcon2Set(INT16U UserId,INT32U Lcdcon2){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDCON2=Lcdcon2;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdcon3Set(INT16U UserId,INT32U Lcdcon3){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDCON3=Lcdcon3;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdcon4Set(INT16U UserId,INT32U Lcdcon4){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDCON4=Lcdcon4;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdcon5Set(INT16U UserId,INT32U Lcdcon5){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDCON5=Lcdcon5;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdsaddr1Set(INT16U UserId,INT32U Lcdsaddr1){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDSADDR1=Lcdsaddr1;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdsaddr2Set(INT16U UserId,INT32U Lcdsaddr2){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDSADDR2=Lcdsaddr2;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdsaddr3Set(INT16U UserId,INT32U Lcdsaddr3){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDSADDR3=Lcdsaddr3;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdRedlutSet(INT16U UserId,INT32U Redlut){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->REDLUT=Redlut;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdGreenlutSet(INT16U UserId,INT32U Greenlut){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->GREENLUT=Greenlut;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdBluelutSet(INT16U UserId,INT32U Bluelut){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->BLUELUT=Bluelut;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdDithmodeSet(INT16U UserId,INT32U Dithmode){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->DITHMODE=Dithmode;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdTpalSet(INT16U UserId,INT32U Tpal){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->TPAL=Tpal;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdintpndSet(INT16U UserId,INT32U Lcdintpnd){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDINTPND=Lcdintpnd;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdsrcpndSet(INT16U UserId,INT32U Lcdsrcpnd){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDSRCPND=Lcdsrcpnd;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLcdintmskSet(INT16U UserId,INT32U Lcdintmsk){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LCDINTMSK=Lcdintmsk;
        return TRUE;
    }
    else return FALSE;
}
INT8U F_LcdLpcselSet(INT16U UserId,INT32U Lpcsel){
    if((LcdControl.InUse==TRUE)&&(LcdControl.UserId==UserId)){
        LcdControl.pLcdRegster->LPCSEL=Lpcsel;
        return TRUE;
    }
    else return FALSE;
}