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/* SPDX-License-Identifier: GPL-2.0-only */
#include <boardid.h>
#include <cbfs.h>
#include <console/console.h>
#include <edid.h>
#include <gpio.h>
#include <identity.h>
#include <soc/gpio_common.h>
#include <string.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));
}
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