static int is_ili9481_lcd(void)
{
int i;
unsigned short SBit,SBuffer,LcdCodeId[6];
unsigned char BitCounter;
// ILI9481_WriteReg(0xC6);
// ILI9481_WriteData(0x00);
ILI9481_WriteReg(0xB0);
ILI9481_WriteData(0x00);
SBuffer = 0xBF;
gpio_direction_input(d_gpio_in);
gpio_direction_output(cs_gpio, 0); //Set_CS(0); //CLR CS
udelay(20);
//send command
for(BitCounter=0; BitCounter<9; BitCounter++)
{
SBit = SBuffer&0x100;
if(SBit)
gpio_direction_output(d_gpio, 1);//Set_SDA(1);
else
gpio_direction_output(d_gpio, 0);//Set_SDA(0);
udelay(20);
gpio_direction_output(clk_gpio, 0);//Set_SCK(0); //CLR SCL
udelay(20);
gpio_direction_output(clk_gpio, 1);//Set_SCK(1); //SET SCL
udelay(20);
SBuffer = SBuffer<<1;
}
//read ili9481 LcdCodeId
for(i = 0; i < 6; i++)
{
LcdCodeId[i] = 0;
for(BitCounter = 0; BitCounter < 8; BitCounter++)
{
gpio_direction_output(clk_gpio, 0);//Set_SCK(0); //CLR SCL
udelay(20);
SBit = gpio_get_value(d_gpio_in);
gpio_direction_output(clk_gpio, 1);//Set_SCK(1); //SET SCL
udelay(20);
if(0 != SBit)
{
LcdCodeId[i] |= (1 << (7 - BitCounter));
}
}
printk(KERN_INFO "+++++++++lcd_code is 0x%x %d\n", LcdCodeId[i], LcdCodeId[i]);
}
gpio_direction_output(cs_gpio, 1);//Set_CS(1); //SET CS
// ILI9481_WriteReg(0xC6);
// ILI9481_WriteData(0x9a);
if((LcdCodeId[2] == 0x4a && LcdCodeId[3] == 0x40) || (LcdCodeId[3] == 0x94 && LcdCodeId[4] == 0x81))
{
return 1;
}
else if((LcdCodeId[2] == 0x22) && (LcdCodeId[3] == 0x15))
{
return 0;
}
return 1;
}
static void lcdc_ili_init(void)
{
gpio_direction_output(himax_reset, 1);
msleep(5);
gpio_direction_output(himax_reset, 0);
msleep(10);
gpio_direction_output(himax_reset, 1);
msleep(20);
gpio_direction_output(spi_cs, 1);
gpio_direction_output(spi_sdo, 1);
gpio_direction_output(spi_sclk, 1);
msleep(20);
#if 1
ILI9481_WriteReg(0xE9);
ILI9481_WriteData(0x20);
ILI9481_WriteReg(0x11);//EXIT Sleep
msleep(100);
ILI9481_WriteReg(0xD1);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x68);//SET VCOMH
ILI9481_WriteData(0x1a);//SET VCOM
ILI9481_WriteReg(0xD0);
ILI9481_WriteData(0x07);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0x8b);
ILI9481_WriteReg(0x36);
ILI9481_WriteData(0x48);
ILI9481_WriteReg(0x3A);
ILI9481_WriteData(0x66);//0x66, CPU18,0x55 CPU16
ILI9481_WriteReg(0xC1);
ILI9481_WriteData(0x10);//LINE INVERSION
ILI9481_WriteData(0x10);
ILI9481_WriteData(0x02);
ILI9481_WriteData(0x02);
ILI9481_WriteReg(0xC0);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x35);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0x02);
ILI9481_WriteReg(0xC5);//Set frame rate
ILI9481_WriteData(0x02);//72Hz
ILI9481_WriteReg(0xC6);
ILI9481_WriteData(0x9B);///5B
ILI9481_WriteReg(0xD2);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0x22);
ILI9481_WriteReg(0xC8);//Gamma setting
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x47);
ILI9481_WriteData(0x33);
ILI9481_WriteData(0x10);
ILI9481_WriteData(0x0C);
ILI9481_WriteData(0x06);
ILI9481_WriteData(0x44);
ILI9481_WriteData(0x03);
ILI9481_WriteData(0x77);
ILI9481_WriteData(0x21);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x10);
ILI9481_WriteData(0x08);
ILI9481_WriteData(0x80);
ILI9481_WriteData(0x00);
ILI9481_WriteReg(0xB4);
ILI9481_WriteData(0x11);
ILI9481_WriteReg(0x29);//display on
ILI9481_WriteReg(0x2C);
#endif
#if 0
ILI9481_WriteReg(0xE9);
ILI9481_WriteData(0x20);
ILI9481_WriteReg(0x11);//EXIT Sleep
msleep(100);
ILI9481_WriteReg(0xD1);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x71);//SET VCOMH
ILI9481_WriteData(0x19);//SET VCOM
ILI9481_WriteReg(0xD0);
ILI9481_WriteData(0x07);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0x08);
ILI9481_WriteReg(0x36);
ILI9481_WriteData(0x48);
ILI9481_WriteReg(0x3A);
ILI9481_WriteData(0x66);//0x66, CPU18,0x55 CPU16
ILI9481_WriteReg(0xC1);
ILI9481_WriteData(0x10);//LINE INVERSION
ILI9481_WriteData(0x10);
ILI9481_WriteData(0x02);
ILI9481_WriteData(0x02);
ILI9481_WriteReg(0xC0);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x35);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0x02);
ILI9481_WriteReg(0xC5);//Set frame rate
ILI9481_WriteData(0x04);//72Hz
ILI9481_WriteReg(0xC6);
ILI9481_WriteData(0x9B);///5B
ILI9481_WriteReg(0xD2);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0x44);
ILI9481_WriteReg(0xC8);//Gamma setting
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x47);
ILI9481_WriteData(0x33);
ILI9481_WriteData(0x09);
ILI9481_WriteData(0x0C);
ILI9481_WriteData(0x06);
ILI9481_WriteData(0x44);
ILI9481_WriteData(0x03);
ILI9481_WriteData(0x77);
ILI9481_WriteData(0x50);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x10);
ILI9481_WriteData(0x08);
ILI9481_WriteData(0x80);
ILI9481_WriteData(0x00);
ILI9481_WriteReg(0xB4);
ILI9481_WriteData(0x11);
ILI9481_WriteReg(0x29);//display on
ILI9481_WriteReg(0x2C);
#endif
}
static void lcd_lead_init(void)
{
//************* Start Initial Sequence **********//
ILI9481_WriteReg( 0x11);
mdelay(20);//Delay(10*20);
//CPT+ILI9481
ILI9481_WriteReg(0xC6);
ILI9481_WriteData(0x9a);//ILI9481_WriteData(0x9B);///5B for lcd effect
ILI9481_WriteReg(0xD0);
ILI9481_WriteData(0x07);
ILI9481_WriteData(0x41);//ILI9481_WriteData( 0x41);for lcd effect
ILI9481_WriteData(0x1A);
ILI9481_WriteReg(0xD1);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x0B);//10
ILI9481_WriteData(0x11);
ILI9481_WriteReg(0xD2);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0x11);
ILI9481_WriteReg(0xC0);
ILI9481_WriteData(0x10);
ILI9481_WriteData(0x3B);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x02);
ILI9481_WriteData(0x11);
ILI9481_WriteReg(0xC5);
ILI9481_WriteData(0x02);//
ILI9481_WriteReg(0xC8);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x66);
ILI9481_WriteData(0x15);
ILI9481_WriteData(0x24);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x08);
ILI9481_WriteData(0x26);
ILI9481_WriteData(0x11);
ILI9481_WriteData(0x77);
ILI9481_WriteData(0x42);
ILI9481_WriteData(0x08);
ILI9481_WriteData(0x00);
ILI9481_WriteReg(0x36);
ILI9481_WriteData(0xDA);//ILI9481_WriteData( 0x0A);rotated for u810 lcd screen
ILI9481_WriteReg(0x3A);
ILI9481_WriteData(0x66);
ILI9481_WriteReg(0x0C);
ILI9481_WriteData(0x66);
ILI9481_WriteReg(0x2A);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0x3F);
ILI9481_WriteReg(0x2B);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0xE0);
mdelay(120);//Delay(10*120);
ILI9481_WriteReg(0xB4);
ILI9481_WriteData(0x10);
ILI9481_WriteReg(0x29);
ILI9481_WriteReg(0x2C);
}
static void lcdc_lead_init(void)
{
//************* Start Initial Sequence **********//
ILI9481_WriteReg(0x11);
mdelay(20);//Delay(10*20);
//CPT+ILI9481
ILI9481_WriteReg(0xC6);
ILI9481_WriteData(0x9B);///5B
ILI9481_WriteReg(0xD0);
ILI9481_WriteData(0x07);
ILI9481_WriteData(0x41);
ILI9481_WriteData(0x1A);
ILI9481_WriteReg(0xD1);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x0B);//10
ILI9481_WriteData(0x11);
ILI9481_WriteReg(0xD2);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0x11);
ILI9481_WriteReg(0xC0);
ILI9481_WriteData(0x10);
ILI9481_WriteData(0x3B);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x02);
ILI9481_WriteData(0x11);
ILI9481_WriteReg(0xC5);
ILI9481_WriteData(0x02);//3//
ILI9481_WriteReg(0xC8);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x66);
ILI9481_WriteData(0x15);
ILI9481_WriteData(0x24);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x08);
ILI9481_WriteData(0x26);
ILI9481_WriteData(0x11);
ILI9481_WriteData(0x77);
ILI9481_WriteData(0x42);
ILI9481_WriteData(0x08);
ILI9481_WriteData(0x00);
ILI9481_WriteReg(0x36);
ILI9481_WriteData(0x09); //0x0A
ILI9481_WriteReg(0x3A);
ILI9481_WriteData(0x66);
ILI9481_WriteReg(0x0C);
ILI9481_WriteData(0x66);
ILI9481_WriteReg(0x2A);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0x3F);
ILI9481_WriteReg(0x2B);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x00);
ILI9481_WriteData(0x01);
ILI9481_WriteData(0xE0);
mdelay(120);//Delay(10*120);
ILI9481_WriteReg(0xB4);
ILI9481_WriteData(0x10);//ILI9481_WriteData(0x10);//
ILI9481_WriteReg(0x29);
ILI9481_WriteReg(0x2C);
}
