diff options
Diffstat (limited to 'zephyr/projects/nissa/pujjo/src/led.c')
| -rw-r--r-- | zephyr/projects/nissa/pujjo/src/led.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/zephyr/projects/nissa/pujjo/src/led.c b/zephyr/projects/nissa/pujjo/src/led.c new file mode 100644 index 0000000000..bd04af5a25 --- /dev/null +++ b/zephyr/projects/nissa/pujjo/src/led.c @@ -0,0 +1,134 @@ +/* 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. + */ + +/* Pujjo specific PWM LED settings: there are 2 LEDs on each side of the board, + * each one can be controlled separately. The LED colors are white or amber, + * and the default behavior is tied to the charging process: both sides are + * amber while charging the battery and white when the battery is charged. + */ + +#include "common.h" +#include "led_onoff_states.h" +#include "led_common.h" +#include "gpio.h" + +#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ##args) +#define CPRINTF(format, args...) cprintf(CC_CHARGER, format, ##args) + +#define LED_OFF_LVL 1 +#define LED_ON_LVL 0 + +__override const int led_charge_lvl_1 = 5; + +__override const int led_charge_lvl_2 = 97; + +__override struct led_descriptor + led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = { + [STATE_CHARGING_LVL_1] = { { EC_LED_COLOR_RED, + LED_INDEFINITE } }, + [STATE_CHARGING_LVL_2] = { { EC_LED_COLOR_AMBER, + LED_INDEFINITE } }, + [STATE_CHARGING_FULL_CHARGE] = { { EC_LED_COLOR_GREEN, + LED_INDEFINITE } }, + [STATE_DISCHARGE_S0] = { { LED_OFF, LED_INDEFINITE } }, + [STATE_DISCHARGE_S3] = { { LED_OFF, LED_INDEFINITE } }, + [STATE_DISCHARGE_S5] = { { LED_OFF, LED_INDEFINITE } }, + [STATE_BATTERY_ERROR] = { { EC_LED_COLOR_RED, 1 * LED_ONE_SEC }, + { LED_OFF, 1 * LED_ONE_SEC } }, + [STATE_FACTORY_TEST] = { { EC_LED_COLOR_RED, 2 * LED_ONE_SEC }, + { EC_LED_COLOR_GREEN, + 2 * 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, + 3 * LED_ONE_SEC }, + { LED_OFF, 0.5 * LED_ONE_SEC } }, + [PWR_LED_STATE_SUSPEND_NO_AC] = { { EC_LED_COLOR_WHITE, + 3 * LED_ONE_SEC }, + { LED_OFF, + 0.5 * 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_power(enum ec_led_colors color) +{ + if (color == EC_LED_COLOR_WHITE) + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_power_led), + LED_ON_LVL); + else + /* LED_OFF and unsupported colors */ + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_power_led), + LED_OFF_LVL); +} + +__override void led_set_color_battery(enum ec_led_colors color) +{ + switch (color) { + case EC_LED_COLOR_AMBER: + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_1_odl), + LED_ON_LVL); + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_2_odl), + LED_ON_LVL); + break; + case EC_LED_COLOR_RED: + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_1_odl), + LED_ON_LVL); + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_2_odl), + LED_OFF_LVL); + break; + case EC_LED_COLOR_GREEN: + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_1_odl), + LED_OFF_LVL); + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_2_odl), + LED_ON_LVL); + break; + default: /* LED_OFF and other unsupported colors */ + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_1_odl), + LED_OFF_LVL); + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_led_2_odl), + LED_OFF_LVL); + break; + } +} + +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_RED] = 1; + brightness_range[EC_LED_COLOR_AMBER] = 1; + brightness_range[EC_LED_COLOR_GREEN] = 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) { + if (brightness[EC_LED_COLOR_RED] != 0) + led_set_color_battery(EC_LED_COLOR_RED); + else if (brightness[EC_LED_COLOR_AMBER] != 0) + led_set_color_battery(EC_LED_COLOR_AMBER); + else if (brightness[EC_LED_COLOR_GREEN] != 0) + led_set_color_battery(EC_LED_COLOR_GREEN); + else + 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; +} |