108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
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/* Copyright 2019 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Power and battery LED control for Helios
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*/
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#include "ec_commands.h"
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#include "gpio.h"
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#include "led_common.h"
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#include "led_onoff_states.h"
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#include "chipset.h"
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#define LED_ON_LVL 0
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#define LED_OFF_LVL 1
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const int led_charge_lvl_1 = 5;
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const int led_charge_lvl_2 = 95;
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struct led_descriptor led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = {
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[STATE_CHARGING_LVL_1] = {{EC_LED_COLOR_AMBER, LED_INDEFINITE} },
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[STATE_CHARGING_LVL_2] = {{EC_LED_COLOR_AMBER, LED_INDEFINITE} },
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[STATE_CHARGING_FULL_CHARGE] = {{EC_LED_COLOR_WHITE, LED_INDEFINITE} },
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[STATE_DISCHARGE_S0] = {{LED_OFF, LED_INDEFINITE} },
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[STATE_DISCHARGE_S3] = {{LED_OFF, LED_INDEFINITE} },
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[STATE_DISCHARGE_S5] = {{LED_OFF, LED_INDEFINITE} },
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[STATE_BATTERY_ERROR] = {{EC_LED_COLOR_AMBER, 1 * LED_ONE_SEC},
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{LED_OFF, 1 * LED_ONE_SEC} },
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[STATE_FACTORY_TEST] = {{EC_LED_COLOR_WHITE, 2 * LED_ONE_SEC},
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{EC_LED_COLOR_AMBER, 2 * LED_ONE_SEC} },
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};
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const struct led_descriptor
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led_pwr_state_table[PWR_LED_NUM_STATES][LED_NUM_PHASES] = {
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[PWR_LED_STATE_ON] = {{EC_LED_COLOR_WHITE, LED_INDEFINITE} },
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[PWR_LED_STATE_SUSPEND_AC] = {{EC_LED_COLOR_WHITE, 1 * LED_ONE_SEC},
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{LED_OFF, 3 * LED_ONE_SEC} },
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[PWR_LED_STATE_SUSPEND_NO_AC] = {{EC_LED_COLOR_WHITE, 1 * LED_ONE_SEC},
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{LED_OFF, 3 * LED_ONE_SEC} },
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[PWR_LED_STATE_OFF] = {{LED_OFF, LED_INDEFINITE} },
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};
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const enum ec_led_id supported_led_ids[] = {
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EC_LED_ID_BATTERY_LED,
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EC_LED_ID_POWER_LED,
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};
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const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
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void led_set_color_battery(enum ec_led_colors color)
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{
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switch (color) {
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case EC_LED_COLOR_AMBER:
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gpio_set_level(GPIO_LED_2_L, LED_OFF_LVL);
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gpio_set_level(GPIO_LED_1_L, LED_ON_LVL);
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break;
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case EC_LED_COLOR_WHITE:
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gpio_set_level(GPIO_LED_1_L, LED_OFF_LVL);
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gpio_set_level(GPIO_LED_2_L, LED_ON_LVL);
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break;
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default: /* LED_OFF and other unsupported colors */
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gpio_set_level(GPIO_LED_1_L, LED_OFF_LVL);
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gpio_set_level(GPIO_LED_2_L, LED_OFF_LVL);
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break;
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}
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}
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void led_set_color_power(enum ec_led_colors color)
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{
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if (color == EC_LED_COLOR_WHITE)
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gpio_set_level(GPIO_LED_3_L, LED_ON_LVL);
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else
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/* LED_OFF and unsupported colors */
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gpio_set_level(GPIO_LED_3_L, LED_OFF_LVL);
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}
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void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
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{
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if (led_id == EC_LED_ID_BATTERY_LED) {
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brightness_range[EC_LED_COLOR_AMBER] = 1;
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brightness_range[EC_LED_COLOR_WHITE] = 1;
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} else if (led_id == EC_LED_ID_POWER_LED) {
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brightness_range[EC_LED_COLOR_WHITE] = 1;
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}
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}
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int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
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{
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if (led_id == EC_LED_ID_BATTERY_LED) {
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if (brightness[EC_LED_COLOR_AMBER] != 0)
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led_set_color_battery(EC_LED_COLOR_AMBER);
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else if (brightness[EC_LED_COLOR_WHITE] != 0)
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led_set_color_battery(EC_LED_COLOR_WHITE);
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else
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led_set_color_battery(LED_OFF);
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} else if (led_id == EC_LED_ID_POWER_LED) {
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if (brightness[EC_LED_COLOR_WHITE] != 0)
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led_set_color_power(EC_LED_COLOR_WHITE);
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else
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led_set_color_power(LED_OFF);
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}
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return EC_SUCCESS;
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}
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