diff options
Diffstat (limited to 'board/lick/led.c')
| -rw-r--r-- | board/lick/led.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/board/lick/led.c b/board/lick/led.c new file mode 100644 index 0000000000..3985c519f3 --- /dev/null +++ b/board/lick/led.c @@ -0,0 +1,112 @@ +/* Copyright 2019 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * Power and battery LED control for Lick + */ + +#include "ec_commands.h" +#include "gpio.h" +#include "led_common.h" +#include "led_onoff_states.h" +#include "chipset.h" + +#define LED_ON_LVL 0 +#define LED_OFF_LVL 1 + +const int led_charge_lvl_1 = 5; + +const int led_charge_lvl_2 = 97; + +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} }, +}; + +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] = {{LED_OFF, LED_INDEFINITE} }, + [PWR_LED_STATE_OFF] = {{LED_OFF, LED_INDEFINITE} }, +}; + +const enum ec_led_id supported_led_ids[] = { + EC_LED_ID_POWER_LED, + EC_LED_ID_BATTERY_LED +}; + +const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); + +void led_set_color_power(enum ec_led_colors color) +{ + if (color == EC_LED_COLOR_WHITE) + gpio_set_level(GPIO_PWR_LED_WHITE_L, LED_ON_LVL); + else + /* LED_OFF and unsupported colors */ + gpio_set_level(GPIO_PWR_LED_WHITE_L, LED_OFF_LVL); +} + +void led_set_color_battery(enum ec_led_colors color) +{ + switch (color) { + case EC_LED_COLOR_RED: + gpio_set_level(GPIO_BAT_LED_RED_L, LED_ON_LVL); + gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL); + break; + case EC_LED_COLOR_AMBER: + gpio_set_level(GPIO_BAT_LED_RED_L, LED_ON_LVL); + gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_ON_LVL); + break; + case EC_LED_COLOR_GREEN: + gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL); + gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_ON_LVL); + break; + default: /* LED_OFF and other unsupported colors */ + gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL); + gpio_set_level(GPIO_BAT_LED_GREEN_L, 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; +} + |