diff options
Diffstat (limited to 'zephyr/projects/nissa/joxer/src/led.c')
| -rw-r--r-- | zephyr/projects/nissa/joxer/src/led.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/zephyr/projects/nissa/joxer/src/led.c b/zephyr/projects/nissa/joxer/src/led.c new file mode 100644 index 0000000000..d66e5b27a6 --- /dev/null +++ b/zephyr/projects/nissa/joxer/src/led.c @@ -0,0 +1,181 @@ +/* Copyright 2022 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * Battery LED control for nissa + */ +#include <stdint.h> + +#include "charge_manager.h" +#include "common.h" +#include "compile_time_macros.h" +#include "ec_commands.h" +#include "gpio.h" +#include "led_common.h" +#include "led_onoff_states.h" +#include "pwm.h" +#include "util.h" + +#define BAT_LED_ON_LVL 0 +#define BAT_LED_OFF_LVL 1 + +#define PWR_LED_ON_LVL 1 +#define PWR_LED_OFF_LVL 0 + +#define LED_SIDESEL_MB_PORT 0 +#define LED_SIDESEL_DB_PORT 1 + +__override const int led_charge_lvl_1 = 5; +__override const int led_charge_lvl_2 = 95; + +__override struct led_descriptor + led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = { + [STATE_CHARGING_LVL_1] = { { EC_LED_COLOR_AMBER, + LED_INDEFINITE } }, + [STATE_CHARGING_LVL_2] = { { EC_LED_COLOR_AMBER, + LED_INDEFINITE } }, + [STATE_CHARGING_FULL_CHARGE] = { { EC_LED_COLOR_WHITE, + LED_INDEFINITE } }, + [STATE_DISCHARGE_S0] = { { LED_OFF, LED_INDEFINITE } }, + [STATE_DISCHARGE_S0_BAT_LOW] = { { EC_LED_COLOR_AMBER, + 1 * LED_ONE_SEC }, + { LED_OFF, 1 * LED_ONE_SEC } }, + [STATE_DISCHARGE_S3] = { { LED_OFF, LED_INDEFINITE } }, + [STATE_DISCHARGE_S5] = { { LED_OFF, LED_INDEFINITE } }, + [STATE_BATTERY_ERROR] = { { EC_LED_COLOR_AMBER, + 0.5 * LED_ONE_SEC }, + { LED_OFF, 0.5 * LED_ONE_SEC } }, + [STATE_FACTORY_TEST] = { { EC_LED_COLOR_WHITE, + 1 * LED_ONE_SEC }, + { LED_OFF, 1 * LED_ONE_SEC } }, + }; + +__override const struct led_descriptor + led_pwr_state_table[PWR_LED_NUM_STATES][LED_NUM_PHASES] = { + [PWR_LED_STATE_ON] = { { EC_LED_COLOR_WHITE, LED_INDEFINITE } }, + [PWR_LED_STATE_SUSPEND_AC] = { { EC_LED_COLOR_WHITE, + 1 * LED_ONE_SEC }, + { LED_OFF, 1 * LED_ONE_SEC } }, + [PWR_LED_STATE_SUSPEND_NO_AC] = { { EC_LED_COLOR_WHITE, + 1 * LED_ONE_SEC }, + { LED_OFF, + 1 * LED_ONE_SEC } }, + [PWR_LED_STATE_OFF] = { { LED_OFF, LED_INDEFINITE } }, + }; + +const enum ec_led_id supported_led_ids[] = { + EC_LED_ID_BATTERY_LED, + EC_LED_ID_POWER_LED, +}; + +const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); + +__override void led_set_color_battery(enum ec_led_colors color) +{ + int port; + + /* There are four battery leds, LED1/LED2 are on MB side and + * LED3/LED4 are on DB side. All leds are OFF by default. + */ + int led1, led2, led3, led4; + + led1 = led2 = led3 = led4 = BAT_LED_OFF_LVL; + + /* Check which port is the charging port, + * and turn on the corresponding led. + */ + if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) { + port = charge_manager_get_active_charge_port(); + switch (port) { + case LED_SIDESEL_MB_PORT: + switch (color) { + case EC_LED_COLOR_AMBER: + led1 = BAT_LED_ON_LVL; + break; + case EC_LED_COLOR_WHITE: + led2 = BAT_LED_ON_LVL; + break; + default: /* LED_OFF and other unsupported colors */ + break; + } + break; + case LED_SIDESEL_DB_PORT: + switch (color) { + case EC_LED_COLOR_AMBER: + led3 = BAT_LED_ON_LVL; + break; + case EC_LED_COLOR_WHITE: + led4 = BAT_LED_ON_LVL; + break; + default: /* LED_OFF and other unsupported colors */ + break; + } + break; + default: /* Unknown charging port */ + break; + } + } else { + switch (color) { + case EC_LED_COLOR_AMBER: + led1 = BAT_LED_ON_LVL; + led3 = BAT_LED_ON_LVL; + break; + case EC_LED_COLOR_WHITE: + led2 = BAT_LED_ON_LVL; + led4 = BAT_LED_ON_LVL; + break; + default: /* LED_OFF and other unsupported colors */ + break; + } + } + + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_1_odl), led1); + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_2_odl), led2); + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_3_l), led3); + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_4_l), led4); +} + +__override void led_set_color_power(enum ec_led_colors color) +{ + if (color == EC_LED_COLOR_WHITE) + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_power_led_gate), + PWR_LED_ON_LVL); + else + /* LED_OFF and unsupported colors */ + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_power_led_gate), + PWR_LED_OFF_LVL); +} + +void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) +{ + if (led_id == EC_LED_ID_BATTERY_LED) { + brightness_range[EC_LED_COLOR_AMBER] = 1; + brightness_range[EC_LED_COLOR_WHITE] = 1; + } else if (led_id == EC_LED_ID_POWER_LED) { + brightness_range[EC_LED_COLOR_WHITE] = 1; + } +} + +int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) +{ + if (led_id == EC_LED_ID_BATTERY_LED) { + led_auto_control(led_id, 0); + if (brightness[EC_LED_COLOR_AMBER] != 0) + led_set_color_battery(EC_LED_COLOR_AMBER); + else if (brightness[EC_LED_COLOR_WHITE] != 0) + led_set_color_battery(EC_LED_COLOR_WHITE); + else if (brightness[LED_OFF] != 0) + led_set_color_battery(LED_OFF); + else { + led_auto_control(led_id, 1); + led_set_color_battery(LED_OFF); + } + } else if (led_id == EC_LED_ID_POWER_LED) { + if (brightness[EC_LED_COLOR_WHITE] != 0) + led_set_color_power(EC_LED_COLOR_WHITE); + else + led_set_color_power(LED_OFF); + } + + return EC_SUCCESS; +} |