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/* Copyright 2022 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.
*/
/* Crota specific PWM LED settings. */
#include <stdint.h>
#include "charge_manager.h"
#include "charge_state.h"
#include "common.h"
#include "compile_time_macros.h"
#include "ec_commands.h"
#include "gpio.h"
#include "led_common.h"
#include "led_onoff_states.h"
#include "pwm.h"
#include "util.h"
#define BAT_LED_ON_LVL 100
#define BAT_LED_OFF_LVL 0
__override const int led_charge_lvl_1 = 5;
__override const int led_charge_lvl_2 = 96;
__override struct led_descriptor
led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = {
[STATE_CHARGING_LVL_1] = { { EC_LED_COLOR_WHITE,
LED_INDEFINITE } },
[STATE_CHARGING_LVL_2] = { { EC_LED_COLOR_WHITE,
LED_INDEFINITE } },
[STATE_CHARGING_FULL_CHARGE] = { { LED_OFF, LED_INDEFINITE } },
[STATE_DISCHARGE_S0] = { { LED_OFF, LED_INDEFINITE } },
[STATE_DISCHARGE_S0_BAT_LOW] = { { EC_LED_COLOR_AMBER,
LED_INDEFINITE } },
[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 } },
[STATE_FACTORY_TEST] = { { EC_LED_COLOR_WHITE,
1 * LED_ONE_SEC },
{ LED_OFF, 1 * 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);
__override void led_set_color_battery(enum ec_led_colors color)
{
/* There are two battery leds, LED1/LED2 are on MB side.
* All leds are OFF by default.
*/
int led1_duty, led2_duty;
led1_duty = led2_duty = BAT_LED_OFF_LVL;
switch (color) {
case EC_LED_COLOR_AMBER:
led1_duty = BAT_LED_ON_LVL;
break;
case EC_LED_COLOR_WHITE:
led2_duty = BAT_LED_ON_LVL;
break;
default: /* LED_OFF and other unsupported colors */
break;
}
pwm_set_duty(PWM_CH_LED1, led1_duty);
pwm_set_duty(PWM_CH_LED2, led2_duty);
}
void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
{
brightness_range[EC_LED_COLOR_AMBER] = 1;
brightness_range[EC_LED_COLOR_WHITE] = 1;
}
int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
{
led_auto_control(led_id, 0);
if (brightness[EC_LED_COLOR_AMBER] != 0)
led_set_color_battery(EC_LED_COLOR_AMBER);
else if (brightness[EC_LED_COLOR_WHITE] != 0)
led_set_color_battery(EC_LED_COLOR_WHITE);
else
led_set_color_battery(LED_OFF);
return EC_SUCCESS;
}
__override enum led_states board_led_get_state(enum led_states desired_state)
{
/* Make sure when battery is pre-charging, the LED will blinking.
* Otherwise it will wait 30 seconds then blinking.
*/
if (charge_get_state() == PWR_STATE_IDLE) {
if (charge_get_flags() & CHARGE_FLAG_EXTERNAL_POWER)
desired_state = STATE_BATTERY_ERROR;
}
return desired_state;
}
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