/* 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 "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 = 100;

__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]        = {{LED_OFF,  LED_INDEFINITE} },
	[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;
}