diff options
Diffstat (limited to 'src/mainboard/google/geralt/panel.c')
| -rw-r--r-- | src/mainboard/google/geralt/panel.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/mainboard/google/geralt/panel.c b/src/mainboard/google/geralt/panel.c index 3174870050..e25b5cbedd 100644 --- a/src/mainboard/google/geralt/panel.c +++ b/src/mainboard/google/geralt/panel.c @@ -5,6 +5,7 @@ #include <console/console.h> #include <edid.h> #include <gpio.h> +#include <identity.h> #include <soc/gpio_common.h> #include <string.h> @@ -35,6 +36,13 @@ static void get_mipi_cmd_from_cbfs(struct panel_description *desc) printk(BIOS_ERR, "Missing %s in CBFS.\n", cbfs_name); } +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(); @@ -66,3 +74,38 @@ struct panel_description *get_active_panel(void) } return panel; } + +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)); +} |