void SPI_Write_8bits(unsigned char Index,unsigned char REG_DATA)
{
unsigned char DeviceID = 0x70;
unsigned char lcd_Index = (unsigned char)(Index & 0xff);
unsigned char lcd_data0 = REG_DATA;
/* Instruction format 3SPI
* SPI CLK: rising edge
* MOSI: 0 1 1 1 0 ID RS RW IB7 IB6 IB5 IB4 IB3 IB2 IB1 IB0
* |<-start byte->| |<-write index & instruction->|
*/
LCD_SPI_CS_LO;
spi_gen(DeviceID | 0x0);
spi_gen(lcd_Index);
LCD_SPI_CS_HI;
LCD_SPI_CS_LO;
spi_gen(DeviceID | 0x2);
spi_gen(lcd_data0);
LCD_SPI_CS_HI;
}
/* AUO LCM power on/off SPI commands */
void panel_poweron(int bOnOff)
{
unsigned char *ptr;
if (bOnOff == 1) {
/* Start Power on sequence*/
LCD_RST_HI;
mdelay(1);
LCD_RST_LO;
mdelay(10);
LCD_RST_HI;
mdelay(120);
LCD_SPI_CS_HI;
mdelay(1);
gpio_tlmm_config(GPIO_CFG(GPIO_PCLK, 1, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_8MA), GPIO_CFG_ENABLE);
gpio_tlmm_config(GPIO_CFG(GPIO_VSYNC, 1, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_8MA), GPIO_CFG_ENABLE);
gpio_tlmm_config(GPIO_CFG(GPIO_HSYNC, 1, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_8MA), GPIO_CFG_ENABLE);
gpio_tlmm_config(GPIO_CFG(GPIO_VDEN, 1, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_8MA), GPIO_CFG_ENABLE);
/* assign power-on table */
if (lcm_id < 2)
ptr = auo_poweron_sequence;
else
ptr = auo_poweron_sequence_2_0;
} else {
/* assign power-off table */
ptr = auo_poweroff_sequence;
}
while( *ptr != CMD_END) {
spi_gen(*ptr,*(ptr+1));
ptr += 2;
}
if (!bOnOff)
LCD_SPI_CS_LO;
}
void SPI_Write_16bits(unsigned char Index,unsigned short REG_DATA)
{
unsigned char DeviceID = 0x70;
unsigned char lcd_Index = (unsigned char)(Index & 0xff);
unsigned char lcd_data0 = (unsigned char)( (REG_DATA>>8) & 0xff);
unsigned char lcd_data1 = (unsigned char)( REG_DATA & 0xff);
LCD_SPI_CS_LO;
spi_gen(DeviceID | 0x0);
spi_gen(lcd_Index);
LCD_SPI_CS_HI;
LCD_SPI_CS_LO;
spi_gen(DeviceID | 0x2);
spi_gen(lcd_data0);
LCD_SPI_CS_HI;
LCD_SPI_CS_LO;
spi_gen(DeviceID | 0x2);
spi_gen(lcd_data1);
LCD_SPI_CS_HI;
}
