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path: root/src/mainboard/lenovo/t400/smihandler.c
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/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2008-2009 coresystems GmbH
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc.
 */

#include <arch/io.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include <southbridge/intel/i82801ix/nvs.h>
#include <southbridge/intel/i82801ix/i82801ix.h>
#include <ec/acpi/ec.h>

void mainboard_smi_gpi(u32 gpi_sts)
{
	if (gpi_sts & (1 << 1)) {
		printk(BIOS_DEBUG, "EC/SMI\n");
		/* TODO */
	}
}

int mainboard_smi_apmc(u8 apmc)
{
	switch (apmc) {
	case APM_CNT_ACPI_ENABLE:
		send_ec_command(0x05); /* Set_SMI_Disable */
		send_ec_command(0xaa); /* Set_ACPI_Enable */
		break;

	case APM_CNT_ACPI_DISABLE:
		send_ec_command(0x04); /* Set_SMI_Enable */
		send_ec_command(0xab); /* Set_ACPI_Disable */
		break;
	}
	return 0;
}