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/* Copyright 2020 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 Fennel
*/
#include "common.h"
#include "ioexpander.h"
#include "driver/ioexpander/it8801.h"
#include "ec_commands.h"
#include "led_common.h"
#include "led_onoff_states.h"
#define LED_ON_LVL 0
#define LED_OFF_LVL 1
__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, 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_battery(enum ec_led_colors color)
{
switch (color) {
case EC_LED_COLOR_GREEN:
ioex_set_level(IOEX_BAT_LED_GREEN_FULL_L, LED_ON_LVL);
ioex_set_level(IOEX_BAT_LED_RED_L, LED_OFF_LVL);
break;
case EC_LED_COLOR_AMBER:
ioex_set_level(IOEX_BAT_LED_GREEN_FULL_L, LED_ON_LVL);
ioex_set_level(IOEX_BAT_LED_RED_L, LED_ON_LVL);
break;
case EC_LED_COLOR_RED:
ioex_set_level(IOEX_BAT_LED_GREEN_FULL_L, LED_OFF_LVL);
ioex_set_level(IOEX_BAT_LED_RED_L, LED_ON_LVL);
break;
default: /* LED_OFF and other unsupported colors */
ioex_set_level(IOEX_BAT_LED_GREEN_FULL_L, LED_OFF_LVL);
ioex_set_level(IOEX_BAT_LED_RED_L, LED_OFF_LVL);
break;
}
}
__override void led_set_color_power(enum ec_led_colors color)
{
switch (color) {
case EC_LED_COLOR_WHITE:
ioex_set_level(IOEX_PWR_LED_WHITE_L, LED_ON_LVL);
break;
default:
ioex_set_level(IOEX_PWR_LED_WHITE_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_GREEN] = 1;
brightness_range[EC_LED_COLOR_AMBER] = 1;
brightness_range[EC_LED_COLOR_RED] = 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_GREEN] != 0)
led_set_color_battery(EC_LED_COLOR_GREEN);
else if (brightness[EC_LED_COLOR_AMBER] != 0)
led_set_color_battery(EC_LED_COLOR_AMBER);
else if (brightness[EC_LED_COLOR_RED] != 0)
led_set_color_battery(EC_LED_COLOR_RED);
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);
} else {
return EC_ERROR_INVAL;
}
return EC_SUCCESS;
}
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