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/* Copyright 2021 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 Mancomb
*/
#include "ec_commands.h"
#include "gpio.h"
#include "led_common.h"
#include "led_onoff_states.h"
#include "pwm.h"
#define LED_OFF_LVL 1
#define LED_ON_LVL 0
#define CPRINTS(format, args...) cprints(CC_PWM, format, ## args)
__override const struct led_descriptor
led_pwr_state_table[PWR_LED_NUM_STATES][LED_NUM_PHASES] = {
[PWR_LED_STATE_ON] = {{EC_LED_COLOR_GREEN, LED_INDEFINITE} },
[PWR_LED_STATE_SUSPEND_AC] = {{EC_LED_COLOR_YELLOW, 1 * LED_ONE_SEC},
{LED_OFF, 1 * LED_ONE_SEC} },
[PWR_LED_STATE_OFF] = {{LED_OFF, LED_INDEFINITE} },
[PWR_LED_STATE_OFF_LOW_POWER] = {{EC_LED_COLOR_RED, 1 * LED_ONE_SEC},
{LED_OFF, 1 * LED_ONE_SEC} },
};
const enum ec_led_id supported_led_ids[] = {
EC_LED_ID_POWER_LED,
};
const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
__override void led_set_color_power(enum ec_led_colors color)
{
switch (color) {
case EC_LED_COLOR_GREEN:
pwm_enable(PWM_CH_LED1, LED_OFF_LVL);
pwm_enable(PWM_CH_LED2, LED_ON_LVL);
break;
case EC_LED_COLOR_RED:
pwm_enable(PWM_CH_LED1, LED_ON_LVL);
pwm_enable(PWM_CH_LED2, LED_OFF_LVL);
break;
case EC_LED_COLOR_YELLOW:
pwm_enable(PWM_CH_LED1, LED_ON_LVL);
pwm_enable(PWM_CH_LED2, LED_ON_LVL);
break;
case LED_OFF:
pwm_enable(PWM_CH_LED1, LED_OFF_LVL);
pwm_enable(PWM_CH_LED2, LED_OFF_LVL);
break;
default: /* Unsupported colors */
CPRINTS("Unsupported LED color: %d", color);
pwm_enable(PWM_CH_LED1, LED_OFF_LVL);
pwm_enable(PWM_CH_LED2, 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_POWER_LED) {
brightness_range[EC_LED_COLOR_RED] = 1;
brightness_range[EC_LED_COLOR_GREEN] = 1;
brightness_range[EC_LED_COLOR_YELLOW] = 1;
}
}
int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
{
if (led_id == EC_LED_ID_POWER_LED) {
if (brightness[EC_LED_COLOR_RED] != 0)
led_set_color_power(EC_LED_COLOR_RED);
else if (brightness[EC_LED_COLOR_GREEN] != 0)
led_set_color_power(EC_LED_COLOR_GREEN);
else if (brightness[EC_LED_COLOR_YELLOW] != 0)
led_set_color_power(EC_LED_COLOR_YELLOW);
else
led_set_color_power(LED_OFF);
} else {
CPRINTS("Unsuppored LED set: %d", led_id);
return EC_ERROR_INVAL;
}
return EC_SUCCESS;
}
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