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/* Copyright 2021 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 felwinter
*/
#include "chipset.h"
#include "gpio.h"
#include "led_common.h"
#include "led_onoff_states.h"
#include "system.h"
#define LED_OFF_LVL 1
#define LED_ON_LVL 0
__override const int led_charge_lvl_1;
__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, 3 * LED_ONE_SEC } },
[STATE_DISCHARGE_S3] = { { LED_OFF, LED_INDEFINITE } },
[STATE_DISCHARGE_S5] = { { LED_OFF, LED_INDEFINITE } },
[STATE_BATTERY_ERROR] = { { EC_LED_COLOR_AMBER,
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, 3 * LED_ONE_SEC } },
[PWR_LED_STATE_SUSPEND_NO_AC] = { { EC_LED_COLOR_WHITE,
1 * LED_ONE_SEC },
{ LED_OFF,
3 * 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_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);
}
__override void led_set_color_battery(enum ec_led_colors color)
{
switch (color) {
case EC_LED_COLOR_WHITE:
gpio_set_level(GPIO_BAT_LED_WHITE_L, LED_ON_LVL);
gpio_set_level(GPIO_BAT_LED_AMBER_L, LED_OFF_LVL);
break;
case EC_LED_COLOR_AMBER:
gpio_set_level(GPIO_BAT_LED_WHITE_L, LED_OFF_LVL);
gpio_set_level(GPIO_BAT_LED_AMBER_L, LED_ON_LVL);
break;
default: /* LED_OFF and other unsupported colors */
gpio_set_level(GPIO_BAT_LED_WHITE_L, LED_OFF_LVL);
gpio_set_level(GPIO_BAT_LED_AMBER_L, LED_OFF_LVL);
break;
}
}
__override enum led_states board_led_get_state(enum led_states desired_state)
{
if (desired_state == STATE_BATTERY_ERROR) {
if (chipset_in_state(CHIPSET_STATE_ON))
return desired_state;
else if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND))
return STATE_DISCHARGE_S3;
else
return STATE_DISCHARGE_S5;
}
return desired_state;
}
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_WHITE] = 1;
brightness_range[EC_LED_COLOR_AMBER] = 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_WHITE] != 0)
led_set_color_battery(EC_LED_COLOR_WHITE);
else if (brightness[EC_LED_COLOR_AMBER] != 0)
led_set_color_battery(EC_LED_COLOR_AMBER);
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;
}
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