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/* SPDX-License-Identifier: GPL-2.0-only */
#include <boardid.h>
#include <cbfs.h>
#include <console/console.h>
#include <delay.h>
#include <gpio.h>
#include <identity.h>
#include <soc/gpio_common.h>
#include <soc/i2c.h>
#include <soc/pmif.h>
#include <soc/regulator.h>
#include "gpio.h"
#include "panel.h"
struct panel_description __weak *get_panel_description(uint32_t panel_id)
{
printk(BIOS_WARNING, "%s: %s: the panel configuration is not ready\n",
__func__, mainboard_part_number);
return NULL;
}
struct panel_description *get_active_panel(void)
{
uint32_t active_panel_id = panel_id();
return get_panel_description(active_panel_id);
}
void configure_mipi_pwm_backlight(void)
{
gpio_output(GPIO_AP_DISP_BKLTEN, 0);
gpio_output(GPIO_MIPI_BL_PWM_1V8, 0);
}
void fill_lp_backlight_gpios(struct lb_gpios *gpios)
{
struct panel_description *panel = get_active_panel();
if (!panel || panel->disp_path == DISP_PATH_NONE)
return;
struct lb_gpio mipi_pwm_gpios[] = {
{GPIO_MIPI_BL_PWM_1V8.id, ACTIVE_HIGH, -1, "PWM control"},
};
struct lb_gpio edp_pwm_gpios[] = {
{GPIO_EDP_BL_PWM_1V8.id, ACTIVE_HIGH, -1, "PWM control"},
};
if (panel->pwm_ctrl_gpio) {
/* PWM control for typical eDP and MIPI panels */
if (panel->disp_path == DISP_PATH_MIPI)
lb_add_gpios(gpios, mipi_pwm_gpios, ARRAY_SIZE(mipi_pwm_gpios));
else
lb_add_gpios(gpios, edp_pwm_gpios, ARRAY_SIZE(edp_pwm_gpios));
}
struct lb_gpio backlight_gpios[] = {
{GPIO_AP_DISP_BKLTEN.id, ACTIVE_HIGH, -1, "backlight enable"},
};
lb_add_gpios(gpios, backlight_gpios, ARRAY_SIZE(backlight_gpios));
}
void power_on_mipi_panel(const struct tps65132s_cfg *cfg)
{
mtk_i2c_bus_init(cfg->i2c_bus, I2C_SPEED_FAST);
/* Enable VM18V */
mainboard_enable_regulator(MTK_REGULATOR_VDD18, true);
mdelay(2);
if (tps65132s_setup(cfg) != CB_SUCCESS)
printk(BIOS_ERR, "Failed to set up voltage regulator tps65132s\n");
gpio_output(GPIO_DISP_RST_1V8_L, 0);
mdelay(1);
gpio_output(GPIO_DISP_RST_1V8_L, 1);
mdelay(1);
gpio_output(GPIO_DISP_RST_1V8_L, 0);
mdelay(1);
gpio_output(GPIO_DISP_RST_1V8_L, 1);
mdelay(6);
}
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