static void lms500_suspend (struct clk *clk)
{
u32 val;
gpio_set_value(TT_VGPIO_LCD_ON, 0);
gpio_direction_input(TT_VGPIO_LCD_ON);
panel_sleep(150); /* T5-T4 should be greater than 6 frames */
/* disabling clk, CNTL_LCDPWR and CNTL_LCDEN before suspend
* doesn't happen in bcm4760_clcd.c that's why it's added
* here to be compliant with LCM power sequence specs
*/
val = readl(IO_ADDRESS(LCD_REG_BASE_ADDR + CLCD_CNTL));
if (val & CNTL_LCDPWR){
val &= ~CNTL_LCDPWR;
writel(val, IO_ADDRESS(LCD_REG_BASE_ADDR + CLCD_CNTL));
panel_sleep(20);
}
if (val & CNTL_LCDEN) {
val &= ~CNTL_LCDEN;
writel(val, IO_ADDRESS(LCD_REG_BASE_ADDR + CLCD_CNTL));
}
clk_disable( clk);
}
static void lms500_resume (struct clk *clk)
{
gpio_direction_output(TT_VGPIO_LCD_ON, 0);
panel_sleep(200); /* T3 should be greater than 11 frames */
/* enabling clk, CNTL_LCDPWR and CNTL_LCDEN after resume happens in bcm4760_clcd.c */
}
/* TODO: correct init procedure according to spec */
static int mendoza_gpio_setup(struct platform_device *pdev)
{
unsigned int cfg;
int i;
/* select TFT LCD type (RGB I/F) */
cfg = readl(S5P64XX_SPC_BASE);
cfg &= ~S5P6450_SPCON_LCD_SEL_MASK;
cfg |= S5P6450_SPCON_LCD_SEL_RGB;
writel(cfg, S5P64XX_SPC_BASE);
for (i = 0; i < 16; i++)
s3c_gpio_cfgpin(S5P6450_GPI(i), S3C_GPIO_SFN(2));
for (i = 0; i < 12; i++)
s3c_gpio_cfgpin(S5P6450_GPJ(i), S3C_GPIO_SFN(2));
if (gpio_request(TT_VGPIO_LCM_PWR_EN, "TT_VGPIO_LCM_PWR_EN") ||
gpio_request(TT_VGPIO_DISP_ON, "TT_VGPIO_DISP_ON")) {
printk("LCD: Failed to request gpio\n");
} else {
gpio_direction_output(TT_VGPIO_LCM_PWR_EN, 1);
gpio_direction_output(TT_VGPIO_DISP_ON, 1);
}
panel_sleep(100);
return 0;
}
static int mendoza_fb_reboot(struct notifier_block *block, unsigned long code, void *null)
{
pr_emerg("LCD: Shutting off LCM\n");
gpio_set_value(TT_VGPIO_DISP_ON, 0);
panel_sleep(100);
return 0;
}
static void panel_disable(struct omap_dss_device *disp)
{
struct panel_data *td = dev_get_drvdata(&disp->dev);
if (disp->platform_disable)
disp->platform_disable(disp);
else
panel_sleep(1);
td->enabled = 0;
}
static int panel_enable(struct omap_dss_device *disp)
{
struct panel_data *td = dev_get_drvdata(&disp->dev);
int ret = 0;
printk("panel enable\n");
if (disp->platform_enable)
ret = disp->platform_enable(disp);
if (ret < 0)
return ret;
panel_initial_settings();
panel_sleep(0);
td->enabled = 1;
return 0;
}
static void lms500_disable (struct clk *clk)
{
gpio_set_value(TT_VGPIO_LCD_ON, 0); /* T5-T4 should be greater than 6 frames */
panel_sleep(150);
}
