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 /************************************************/
 //LTV350QV_FOE_V0.0
 
 #define LTV350QV_FOE       0x1d   //device ID
 
 typedef struct _LTV350qv_spi_data_{
  unsigned char    Device_ID;   //ID of the device
  unsigned int   Index;    //index of register
  unsigned long   Structure;  //structure to be writed
 }LTV350QV_SPI_Data;
 
 //micro for LTV350QV_FOE
 #define CS_H     __raw_writel(__raw_readl(S3C2410_GPCDAT) |(1<< 8), S3C2410_GPCDAT)//MAKE_HIGH(LTV350QV_CS)
 #define CS_L     __raw_writel(__raw_readl(S3C2410_GPCDAT)&~(1<< 8), S3C2410_GPCDAT)//MAKE_LOW(LTV350QV_CS)
 #define SCLK_H   __raw_writel(__raw_readl(S3C2410_GPCDAT) |(1<< 9), S3C2410_GPCDAT)//MAKE_HIGH(LTV350QV_SCL)
 #define SCLK_L   __raw_writel(__raw_readl(S3C2410_GPCDAT)&~(1<< 9), S3C2410_GPCDAT)//MAKE_LOW(LTV350QV_SCL)
 #define SDI_H    __raw_writel(__raw_readl(S3C2410_GPCDAT) |(1<<10), S3C2410_GPCDAT)//MAKE_HIGH(LTV350QV_SDI)
 #define SDI_L    __raw_writel(__raw_readl(S3C2410_GPCDAT)&~(1<<10), S3C2410_GPCDAT)//MAKE_LOW(LTV350QV_SDI)
 #define RST_H    __raw_writel(__raw_readl(S3C2410_GPDDAT) |(1<< 0), S3C2410_GPDDAT)//MAKE_HIGH(LTV350QV_RST)
 #define RST_L    __raw_writel(__raw_readl(S3C2410_GPDDAT)&~(1<< 0), S3C2410_GPDDAT)//MAKE_LOW(LTV350QV_RST)
 
 //***************************************************************
 //**********these functions for SUMSUN LTV350QV TFT LCD****************
 //***************************************************************
 static void LTV350QV_Short_Delay(u_char time)
 {
  ndelay(150);
 }
 /*
 static void LTV350QV_Rst(void)
 {
  RST_L;
  mdelay(1);
  RST_H;
  mdelay(1);
 }
 */
 static void LTV350QV_Register_Write(LTV350QV_SPI_Data regdata)
 {
  u_char i,temp1;
  u_int temp2;
  u_long temp3;
  unsigned long flags;           
 
  //write index
  temp1=regdata.Device_ID<<2 | 0<<1 | 0<<0;  //register index
  temp2=regdata.Index;
  temp3=(temp1<<24) | (temp2<<8);
 
  local_irq_save(flags);
  
  CS_L;
  LTV350QV_Short_Delay(1);
  for(i=0;i<24;i++)
   {
    SCLK_L;
    if(temp3 & (1<<(31-i)) )   //if is H
     SDI_H;
    else
     SDI_L;
    LTV350QV_Short_Delay(1);   //setup time
    SCLK_H;
    LTV350QV_Short_Delay(1);   //hold time
   }
  CS_H;
  
  LTV350QV_Short_Delay(5);
  
  //write instruction
  temp1=regdata.Device_ID<<2 | 1<<1 | 0<<0; //instruction
  temp2=regdata.Structure;
  temp3=(temp1<<24) | (temp2<<8);
  
  CS_L;
  LTV350QV_Short_Delay(1);
  for(i=0;i<24;i++)
   {
    SCLK_L;
    if(temp3 & (1<<(31-i)) )   //if is H
     SDI_H;
    else
     SDI_L;
    LTV350QV_Short_Delay(1);
    SCLK_H;
    LTV350QV_Short_Delay(1);
   }
  CS_H;
 
  local_irq_restore(flags);
 }
 /****************************************
 *  *
 ****************************************/
 static void LTV350QV_Write(u_int index, u_int regdata)
 {
  LTV350QV_SPI_Data WriteData;
  
  WriteData.Device_ID = LTV350QV_FOE;
  WriteData.Index  = index;
  WriteData.Structure = regdata;
 
  LTV350QV_Register_Write(WriteData);
 }
 /****************************************
 *  *power ON sequence
 ****************************************/
 static void LTV350QV_Power_ON(void)
 { 
   LTV350QV_Write( 9, 0x0000);
   mdelay(150);
   LTV350QV_Write( 9, 0x4000);
   LTV350QV_Write(10, 0x2000);
   LTV350QV_Write( 9, 0x4055);
   mdelay(550);
   LTV350QV_Write( 1, 0x409d);
   LTV350QV_Write( 2, 0x0204);
  LTV350QV_Write( 3, 0x0100);
   LTV350QV_Write( 4, 0x3000);
   LTV350QV_Write( 5, 0x4003);
   LTV350QV_Write( 6, 0x000a);
   LTV350QV_Write( 7, 0x0021);
   LTV350QV_Write( 8, 0x0c00);
   LTV350QV_Write(10, 0x0103);
  LTV350QV_Write(11, 0x0301);
   LTV350QV_Write(12, 0x1f0f);
   LTV350QV_Write(13, 0x1f0f);
   LTV350QV_Write(14, 0x0707);
   LTV350QV_Write(15, 0x0307);
   LTV350QV_Write(16, 0x0707);
   LTV350QV_Write(17, 0x0000);
   LTV350QV_Write(18, 0x0004);
   LTV350QV_Write(19, 0x0000);
 
   mdelay(200);
   LTV350QV_Write( 9, 0x4a55);
   LTV350QV_Write( 5, 0x5003);
 }
 
 /**********************************
 *  *power OFF sequence
 **********************************/
 /*static void LTV350QV_Powen_OFF(void)
 {
  LTV350QV_Write( 9, 0x4055);// GON -> 0, POC -> 0
  LTV350QV_Write( 5, 0x4003);// DSC -> 0
   LTV350QV_Write(10, 0x0000);// VCOMG -> 0
   mdelay(20);
  LTV350QV_Write( 9, 0x4000);// AP[2:0] -> 000
 }*/
 static void s3c2440fb_init_ltv350qv(void)
 {
  __raw_writel(0xaa9556a9, S3C2410_GPCCON);  //Initialize VD[7:0],LCDVF[2:0],VM,VFRAME,VLINE,VCLK,LEND
              //LCDVF[0],[1],[2]---output;VD[0],[1],[2]----output.            
  __raw_writel(0xffffffff, S3C2410_GPCUP);   // Disable Pull-up register
    LTV350QV_Power_ON() ;     //init LCD model
  __raw_writel(0xaaaaaaaa, S3C2410_GPDCON);
  __raw_writel(0xffffffff, S3C2410_GPDUP);
 // __raw_writel(3, S3C2410_LCDINTMSK);    // MASK LCD Sub Interrupt
 // __raw_writel(0, S3C2410_TPAL);     // Disable Temp Palette
 // __raw_writel(0, S3C2410_LPCSEL);    // Disable LPC3600
 }