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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.
*/
#include "charge_manager.h"
#include "ec_commands.h"
#include "gpio.h"
#include "led_common.h"
#include "led_onoff_states.h"
#include "pwm.h"
#define BAT_LED_ON_LVL 0
#define BAT_LED_OFF_LVL 1
#define PWR_LED_ON_LVL 1
#define PWR_LED_OFF_LVL 0
/* LED_SIDESEL_4_L=1, MB BAT LED open
* LED_SIDESEL_4_L=0, DB BAT LED open
*/
#define LED_SIDESEL_MB_PORT 0
#define LED_SIDESEL_DB_PORT 1
__override const int led_charge_lvl_1 = 5;
__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_WHITE, 1 * LED_ONE_SEC},
{LED_OFF, 1 * LED_ONE_SEC} },
[STATE_DISCHARGE_S3] = {{LED_OFF, LED_INDEFINITE} },
[STATE_DISCHARGE_S5] = {{LED_OFF, LED_INDEFINITE} },
[STATE_BATTERY_ERROR] = {
{EC_LED_COLOR_WHITE, 0.4 * LED_ONE_SEC},
{LED_OFF, 0.4 * LED_ONE_SEC}
},
[STATE_FACTORY_TEST] = {
{EC_LED_COLOR_WHITE, 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, 1 * LED_ONE_SEC} },
[PWR_LED_STATE_SUSPEND_NO_AC] = {{EC_LED_COLOR_WHITE, 1 * LED_ONE_SEC},
{LED_OFF, 6 * 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)
{
int port;
int side_select_duty;
if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) {
port = charge_manager_get_active_charge_port();
switch (port) {
case LED_SIDESEL_MB_PORT:
side_select_duty = 0;
break;
case LED_SIDESEL_DB_PORT:
side_select_duty = 100;
break;
default:
/*
* We need to turn off led here since curr.ac won't update
* immediately but led will update every 200ms.
*/
side_select_duty = 50;
color = LED_OFF;
}
pwm_set_duty(PWM_CH_LED4_SIDESEL, side_select_duty);
}
switch (color) {
case EC_LED_COLOR_AMBER:
gpio_set_level(GPIO_LED_1_L, BAT_LED_ON_LVL);
gpio_set_level(GPIO_LED_2_L, BAT_LED_OFF_LVL);
break;
case EC_LED_COLOR_WHITE:
gpio_set_level(GPIO_LED_1_L, BAT_LED_OFF_LVL);
gpio_set_level(GPIO_LED_2_L, BAT_LED_ON_LVL);
break;
default: /* LED_OFF and other unsupported colors */
gpio_set_level(GPIO_LED_1_L, BAT_LED_OFF_LVL);
gpio_set_level(GPIO_LED_2_L, BAT_LED_OFF_LVL);
break;
}
}
__override void led_set_color_power(enum ec_led_colors color)
{
if (color == EC_LED_COLOR_WHITE)
gpio_set_level(GPIO_POWER_LED_GATE, PWR_LED_ON_LVL);
else
/* LED_OFF and unsupported colors */
gpio_set_level(GPIO_POWER_LED_GATE, PWR_LED_OFF_LVL);
}
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_AMBER] = 1;
brightness_range[EC_LED_COLOR_WHITE] = 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) {
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);
} 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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