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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Guybrush specific PWM LED settings.
*/
#include "common.h"
#include "led_onoff_states.h"
#include "led_common.h"
#include "gpio.h"
#include "pwm.h"
/* Note PWM LEDs are active low */
#define LED_OFF_LVL 1
#define LED_ON_LVL 0
#define CPRINTS(format, args...) cprints(CC_PWM, format, ##args)
__override const int led_charge_lvl_1 = 5;
__override const int led_charge_lvl_2 = 97;
__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] = { { EC_LED_COLOR_WHITE,
LED_INDEFINITE } },
[STATE_DISCHARGE_S3] = { { EC_LED_COLOR_WHITE,
1 * LED_ONE_SEC },
{ LED_OFF, 1 * LED_ONE_SEC } },
[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_AMBER,
2 * LED_ONE_SEC },
{ EC_LED_COLOR_WHITE,
2 * 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)
{
switch (color) {
case EC_LED_COLOR_AMBER:
pwm_enable(PWM_CH_LED_CHRG, LED_ON_LVL);
pwm_enable(PWM_CH_LED_FULL, LED_OFF_LVL);
break;
case EC_LED_COLOR_WHITE:
pwm_enable(PWM_CH_LED_CHRG, LED_OFF_LVL);
pwm_enable(PWM_CH_LED_FULL, LED_ON_LVL);
break;
case LED_OFF:
pwm_enable(PWM_CH_LED_CHRG, LED_OFF_LVL);
pwm_enable(PWM_CH_LED_FULL, LED_OFF_LVL);
break;
default: /* Unsupported colors */
CPRINTS("Unsupported LED color: %d", color);
pwm_enable(PWM_CH_LED_CHRG, LED_OFF_LVL);
pwm_enable(PWM_CH_LED_FULL, 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_BATTERY_LED) {
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)
{
if (led_id == EC_LED_ID_BATTERY_LED) {
if (brightness[EC_LED_COLOR_WHITE] != 0)
led_set_color_battery(EC_LED_COLOR_WHITE);
else if (brightness[EC_LED_COLOR_AMBER] != 0)
led_set_color_battery(EC_LED_COLOR_AMBER);
else
led_set_color_battery(LED_OFF);
} else {
CPRINTS("Unsupported LED set: %d", led_id);
return EC_ERROR_INVAL;
}
return EC_SUCCESS;
}
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