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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
* Copyright (C) 2013 Vladimir Serbinenko <phcoder@gmail.com>
*
* 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 <console/console.h>
#include <device/device.h>
#include "dock.h"
#include <southbridge/intel/common/gpio.h>
#include <ec/lenovo/h8/h8.h>
#include <ec/acpi/ec.h>
void init_dock(void)
{
if (dock_present()) {
printk(BIOS_DEBUG, "dock is connected\n");
dock_connect();
} else
printk(BIOS_DEBUG, "dock is not connected\n");
}
void dock_connect(void)
{
ec_set_bit(0x02, 0);
ec_set_bit(0x1a, 0);
ec_set_bit(0xfe, 4);
set_gpio(28, GPIO_LEVEL_HIGH);
}
void dock_disconnect(void)
{
ec_clr_bit(0x02, 0);
ec_clr_bit(0x1a, 0);
ec_clr_bit(0xfe, 4);
set_gpio(28, GPIO_LEVEL_LOW);
}
int dock_present(void)
{
const int dock_id_gpio[] = { 3, 4, 5, -1};
return get_gpios(dock_id_gpio) != 7;
}
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