static int otm1284a_vid_set_brightness(struct mdfld_dsi_config *dsi_config,
int level)
{
u32 reg_level;
union pwmctrl_reg pwmctrl;
#ifdef CONFIG_BACKLIGHT_RT4532
rt4532_brightness_set(level);
#else
// /* Re-assign the minimum brightness value to 15 */
// if (level > 0 && level <= 15)
// level = 15;
//
reg_level = ~level & 0xFF;
pwmctrl.part.pwmswupdate = 0x1;
pwmctrl.part.pwmbu = PWM_BASE_UNIT;
pwmctrl.part.pwmtd = reg_level;
if (!pwmctrl_mmio)
pwmctrl_mmio = ioremap_nocache(PWMCTRL_REG, 4);
if (pwmctrl_mmio) {
if (level) {
if (!gpio_get_value(backlight_en_gpio)) {
pmu_set_pwm(PCI_D0);
lnw_gpio_set_alt(backlight_pwm_gpio, 1);
gpio_set_value_cansleep(backlight_en_gpio, 1);
}
pwmctrl.part.pwmenable = 1;
writel(pwmctrl.full, pwmctrl_mmio);
} else if (gpio_get_value(backlight_en_gpio)) {
pwmctrl.part.pwmenable = 0;
writel(pwmctrl.full, pwmctrl_mmio);
gpio_set_value_cansleep(backlight_pwm_gpio, 0);
lnw_gpio_set_alt(backlight_pwm_gpio, 0);
usleep_range(10000, 10100);
gpio_set_value_cansleep(backlight_en_gpio, 0);
pmu_set_pwm(PCI_D3hot);
}
} else {
DRM_ERROR("Cannot map pwmctrl\n");
}
printk("[DISP] brightness level = %d\n", level);
#endif
return 0;
}
static int otm1901a_vid_set_brightness(struct mdfld_dsi_config *dsi_config,
int level)
{
u32 reg_level = ~level & 0xFF;
union pwmctrl_reg pwmctrl;
static void __iomem *bl_en_mmio;
#ifdef CONFIG_BACKLIGHT_RT4532
rt4532_brightness_set(level);
#endif
pwmctrl.part.pwmswupdate = 0x1;
pwmctrl.part.pwmbu = PWM_BASE_UNIT;
pwmctrl.part.pwmtd = reg_level;
if (!pwmctrl_mmio)
pwmctrl_mmio = ioremap_nocache(PWMCTRL_REG, 4);
if (!bl_en_mmio)
bl_en_mmio = ioremap_nocache(BL_EN_REG, 4);
if (pwmctrl_mmio) {
if (level) {
if (!gpio_get_value(backlight_en_gpio)) {
writel((readl(bl_en_mmio) | PULL_UP_EN) & (~PULL_DOWN_EN), bl_en_mmio);
pmu_set_pwm(PCI_D0);
lnw_gpio_set_alt(backlight_pwm_gpio, 1);
gpio_set_value_cansleep(backlight_en_gpio, 1);
}
pwmctrl.part.pwmenable = 1;
writel(pwmctrl.full, pwmctrl_mmio);
} else if (gpio_get_value(backlight_en_gpio)) {
writel(pwmctrl.full, pwmctrl_mmio);
pwmctrl.part.pwmenable = 0;
gpio_set_value_cansleep(backlight_en_gpio, 0);
lnw_gpio_set_alt(backlight_pwm_gpio, 0);
writel((readl(bl_en_mmio) | PULL_DOWN_EN) & (~PULL_UP_EN), bl_en_mmio);
pmu_set_pwm(PCI_D3hot);
}
} else {
DRM_ERROR("Cannot map pwmctrl\n");
}
printk("[DISP] brightness level = %d\n", level);
return 0;
}
static int otm1284a_vid_detect(struct mdfld_dsi_config *dsi_config)
{
printk("[DISP] %s\n", __func__);
panel_reset_gpio = get_gpio_by_name("DISP_RST_N");
if (panel_reset_gpio < 0) {
DRM_ERROR("Faild to get panel reset gpio\n");
return -EINVAL;
}
if (gpio_request(panel_reset_gpio, "panel_reset")) {
DRM_ERROR("Faild to request panel reset gpio\n");
return -EINVAL;
}
#ifndef CONFIG_BACKLIGHT_RT4532
backlight_en_gpio = OTM1284A_BL_EN_GPIO;
if (gpio_request(backlight_en_gpio, "backlight_en")) {
DRM_ERROR("Faild to request backlight enable gpio\n");
return -EINVAL;
}
backlight_pwm_gpio = OTM1284A_BL_PWM_GPIO;
if (gpio_request(backlight_pwm_gpio, "backlight_pwm")) {
DRM_ERROR("Faild to request backlight PWM gpio\n");
return -EINVAL;
}
/* Initializing pwm for being able to adjust backlight when just opening the phone. */
pmu_set_pwm(PCI_D0);
lnw_gpio_set_alt(backlight_pwm_gpio, 1);
#endif
dsi_config->dsi_hw_context.panel_on = true;
return MDFLD_DSI_PANEL_CONNECTED;
}
