static int lcm_writew(uint8_t reg, uint16_t val)
{
qspi_send(0x0, reg);
qspi_send(0x1, val >> 8);
qspi_send(0x1, val & 0xff);
return 0;
}
static int lcm_write_cmd(uint32_t reg, uint32_t data)
{
int ret = -1;
ret = qspi_send(0x0, reg);
if (ret)
goto err_lcm_writeb;
ret = qspi_send(0x1, data);
if (ret)
goto err_lcm_writeb;
return 0;
err_lcm_writeb:
printk(KERN_ERR "%s: Failure on sending SPI commands", __func__);
return ret;
}
static int amoled_panel_unblank(struct msm_lcdc_panel_ops *panel_data)
{
LCMDBG("%s\n", __func__);
wake_lock(&panel_idle_lock);
table_sel_idx = 0;
mutex_lock(&panel_lock);
gamma_table_bank_select();
amoled_set_gamma_val(last_val);
qspi_send(0, 0xef);
qspi_send(1, 0xd0);
qspi_send(1, 0xe8);
lcm_write_cmd(0x14, 0x03);
mutex_unlock(&panel_lock);
wake_unlock(&panel_idle_lock);
LCMDBG("%s: last_val = %d\n", __func__,last_val);
led_trigger_event(amoled_lcd_backlight, LED_FULL);
return 0;
}
static int amoled_panel_unblank(struct platform_device *pdev)
{
LCMDBG("%s\n", __func__);
if (samsung_oled_panel_init())
printk(KERN_ERR "samsung_oled_panel_init failed\n");
wake_lock(&panel_idle_lock);
mutex_lock(&panel_lock);
table_sel_idx = 0;
gamma_table_bank_select();
amoled_set_gamma_val(last_val);
qspi_send(0, 0xef);
qspi_send(1, 0xd0);
qspi_send(1, 0xe8);
lcm_write_cmd(0x14, 0x03);
mutex_unlock(&panel_lock);
wake_unlock(&panel_idle_lock);
LCMDBG("%s: last_val = %d\n", __func__,last_val);
led_trigger_event(amoled_lcd_backlight, LED_FULL);
return 0;
}
// Uses QSPI to transmit 3 bytes to turn on LEDs for current g_row
void led_write_row() {
uint8_t *data = (uint8_t*)malloc(3 * sizeof(uint8_t));
data[0] = g_red[g_row];
data[1] = g_green[g_row];
data[2] = ~(1 << g_row);
// OE high. Disables outputs
MCF_GPIO_SETTH |= MCF_GPIO_SETTH_SETTH7;
// STR low (must write 0 to clrth)
MCF_GPIO_CLRTH &= ~(MCF_GPIO_SETTH_SETTH6);
qspi_send(data, 3);
// STR low to high will transfer bits in shift registers to storage registers
MCF_GPIO_SETTH |= MCF_GPIO_SETTH_SETTH6;
// OE low. Enables output
MCF_GPIO_CLRTH &= ~(MCF_GPIO_SETTH_SETTH7);
free(data);
}
static int lcm_writeb(uint8_t reg, uint8_t val)
{
qspi_send(0x0, reg);
qspi_send(0x1, val);
return 0;
}
