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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <arch/io.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pnp.h>
#include <stdlib.h>
#include "pmh7.h"
#include "chip.h"
#include <pc80/mc146818rtc.h>
void pmh7_backlight_enable(int onoff)
{
if (onoff)
pmh7_register_set_bit(0x50, 5);
else
pmh7_register_clear_bit(0x50, 5);
}
void pmh7_dock_event_enable(int onoff)
{
if (onoff)
pmh7_register_set_bit(0x60, 3);
else
pmh7_register_clear_bit(0x60, 3);
}
void pmh7_touchpad_enable(int onoff)
{
if (onoff)
pmh7_register_clear_bit(0x51, 2);
else
pmh7_register_set_bit(0x51, 2);
}
void pmh7_ultrabay_power_enable(int onoff)
{
if (onoff)
pmh7_register_clear_bit(0x62, 0);
else
pmh7_register_set_bit(0x62, 0);
}
void pmh7_register_set_bit(int reg, int bit)
{
char val;
outb(reg, EC_LENOVO_PMH7_ADDR);
val = inb(EC_LENOVO_PMH7_DATA);
outb(reg, EC_LENOVO_PMH7_ADDR);
outb(val | (1 << bit), EC_LENOVO_PMH7_DATA);
}
void pmh7_register_clear_bit(int reg, int bit)
{
char val;
outb(reg, EC_LENOVO_PMH7_ADDR);
val = inb(EC_LENOVO_PMH7_DATA);
outb(reg, EC_LENOVO_PMH7_ADDR);
outb(val &= ~(1 << bit), EC_LENOVO_PMH7_DATA);
}
char pmh7_register_read(int reg)
{
outb(reg, EC_LENOVO_PMH7_ADDR);
return inb(EC_LENOVO_PMH7_DATA);
}
void pmh7_register_write(int reg, int val)
{
outb(reg, EC_LENOVO_PMH7_ADDR);
outb(val, EC_LENOVO_PMH7_DATA);
}
static void enable_dev(device_t dev)
{
struct ec_lenovo_pmh7_config *conf = dev->chip_info;
struct resource *resource;
u8 val;
resource = new_resource(dev, EC_LENOVO_PMH7_INDEX);
resource->flags = IORESOURCE_IO | IORESOURCE_FIXED;
resource->base = EC_LENOVO_PMH7_BASE;
resource->size = 16;
resource->align = 5;
resource->gran = 5;
pmh7_backlight_enable(conf->backlight_enable);
pmh7_dock_event_enable(conf->dock_event_enable);
if (!get_option(&val, "touchpad"))
pmh7_touchpad_enable(val);
}
struct chip_operations ec_lenovo_pmh7_ops = {
CHIP_NAME("Lenovo Power Management Hardware Hub 7")
.enable_dev = enable_dev,
};
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