coreboot-kgpe-d16/src/mainboard/google/jecht/led.c

/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2015 Google Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <types.h>
#include <superio/ite/it8772f/it8772f.h>
#include "onboard.h"

void set_power_led(int state)
{
	int polarity;

	if (IS_ENABLED(CONFIG_BOARD_GOOGLE_TIDUS)) {
		polarity = state == LED_OFF ? 0x00 : 0x01;
	} else {
		polarity = state == LED_BLINK ? 0x01 : 0x00;
	}

	it8772f_gpio_led(IT8772F_GPIO_DEV,
		1, 					/* set */
		0x01, 					/* select */
		polarity,				/* polarity */
		state == LED_BLINK ? 0x01 : 0x00,	/* pullup/pulldown */
		0x01, 					/* output */
		state == LED_BLINK ? 0x00 : 0x01,	/* I/O function */
		SIO_GPIO_BLINK_GPIO10,
		IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
}