diff options
Diffstat (limited to 'board/bobba/led.c')
-rw-r--r-- | board/bobba/led.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/board/bobba/led.c b/board/bobba/led.c new file mode 100644 index 0000000000..4a06831425 --- /dev/null +++ b/board/bobba/led.c @@ -0,0 +1,68 @@ +/* Copyright 2018 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 Bobba + */ + +#include "ec_commands.h" +#include "gpio.h" +#include "led_common.h" +#include "led_states.h" + +#define LED_OFF_LVL 1 +#define LED_ON_LVL 0 + +/* Bobba: Note there is only LED for charge / power */ +const struct led_descriptor + led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = { + [STATE_CHARGING] = {{EC_LED_COLOR_AMBER, LED_INDEFINITE} }, + [STATE_CHARGING_FULL_CHARGE] = {{EC_LED_COLOR_BLUE, LED_INDEFINITE} }, + [STATE_DISCHARGE_S0] = {{EC_LED_COLOR_BLUE, LED_INDEFINITE} }, + [STATE_DISCHARGE_S3] = {{EC_LED_COLOR_AMBER, 4 * LED_ONE_SEC}, + {LED_OFF, 1 * LED_ONE_SEC} }, + [STATE_DISCHARGE_S5] = {{LED_OFF, LED_INDEFINITE} }, + [STATE_BATTERY_ERROR] = {{EC_LED_COLOR_BLUE, 2 * LED_ONE_SEC}, + {EC_LED_COLOR_AMBER, 2 * LED_ONE_SEC} }, +}; + +const enum ec_led_id supported_led_ids[] = { EC_LED_ID_BATTERY_LED }; + +const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); + +void led_set_color_battery(enum ec_led_colors color) +{ + switch (color) { + case EC_LED_COLOR_BLUE: + gpio_set_level(GPIO_BAT_LED_BLUE_L, LED_ON_LVL); + gpio_set_level(GPIO_BAT_LED_ORANGE_L, LED_OFF_LVL); + break; + case EC_LED_COLOR_AMBER: + gpio_set_level(GPIO_BAT_LED_BLUE_L, LED_OFF_LVL); + gpio_set_level(GPIO_BAT_LED_ORANGE_L, LED_ON_LVL); + break; + default: /* LED_OFF and other unsupported colors */ + gpio_set_level(GPIO_BAT_LED_BLUE_L, LED_OFF_LVL); + gpio_set_level(GPIO_BAT_LED_ORANGE_L, LED_OFF_LVL); + break; + } +} + +void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) +{ + brightness_range[EC_LED_COLOR_BLUE] = 1; + brightness_range[EC_LED_COLOR_AMBER] = 1; +} + +int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) +{ + if (brightness[EC_LED_COLOR_BLUE] != 0) + led_set_color_battery(EC_LED_COLOR_BLUE); + else if (brightness[EC_LED_COLOR_AMBER] != 0) + led_set_color_battery(EC_LED_COLOR_AMBER); + else + led_set_color_battery(LED_OFF); + + return EC_SUCCESS; +} + |