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/* Copyright 2018 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.
*
* Common functions for stateful LEDs (charger and power)
*/
#ifndef __CROS_EC_ONOFFSTATES_LED_H
#define __CROS_EC_ONOFFSTATES_LED_H
#include "ec_commands.h"
#define LED_INDEFINITE UINT8_MAX
#define LED_ONE_SEC (1000 / HOOK_TICK_INTERVAL_MS)
#define LED_OFF EC_LED_COLOR_COUNT
/*
* All LED states should have one phase defined,
* and an additional phase can be defined for blinking
*/
enum led_phase {
LED_PHASE_0,
LED_PHASE_1,
LED_NUM_PHASES
};
/*
* STATE_CHARGING_LVL_1 is when 0 <= charge_percentage < led_charge_level_1
* STATE_CHARGING_LVL_2 is when led_charge_level_1 <=
* charge_percentage < led_charge_level_2.
* STATE_CHARGING_FULL_CHARGE is when
* led_charge_level_2 <= charge_percentage < 100.
*
* STATE_CHARGING_FULL_S5 is optional and state machine will fall back to
* FULL_CHARGE if not defined
*/
enum led_states {
STATE_CHARGING_LVL_1,
STATE_CHARGING_LVL_2,
STATE_CHARGING_FULL_CHARGE,
STATE_CHARGING_FULL_S5,
STATE_DISCHARGE_S0,
STATE_DISCHARGE_S0_BAT_LOW,
STATE_DISCHARGE_S3,
STATE_DISCHARGE_S5,
STATE_BATTERY_ERROR,
STATE_FACTORY_TEST,
LED_NUM_STATES
};
struct led_descriptor {
enum ec_led_colors color;
uint8_t time;
};
/* Charging LED state table - defined in board's led.c */
extern struct led_descriptor
led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES];
/* Charging LED state level 1 - defined in board's led.c */
extern const int led_charge_lvl_1;
/* Charging LED state level 2 - defined in board's led.c */
extern const int led_charge_lvl_2;
#ifdef CONFIG_LED_POWER_LED
enum pwr_led_states {
PWR_LED_STATE_ON,
PWR_LED_STATE_SUSPEND_AC,
PWR_LED_STATE_SUSPEND_NO_AC,
PWR_LED_STATE_OFF,
PWR_LED_NUM_STATES
};
/* Power LED state table - defined in board's led.c */
extern const struct led_descriptor
led_pwr_state_table[PWR_LED_NUM_STATES][LED_NUM_PHASES];
#endif
/**
* Set battery LED color - defined in board's led.c
*
* @param color Color to set on battery LED
*
*/
void led_set_color_battery(enum ec_led_colors color);
#ifdef CONFIG_LED_POWER_LED
/**
* Set power LED color - defined in board's led.c
*/
void led_set_color_power(enum ec_led_colors color);
#endif
#endif /* __CROS_EC_ONOFFSTATES_LED_H */
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