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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2007 AMD
* (Written by Yinghai Lu <yinghai.lu@amd.com> for AMD)
* Copyright (C) 2007 Ward Vandewege <ward@gnu.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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 <device/device.h>
#include <device/pnp.h>
#include <console/console.h>
#include <uart8250.h>
#include <pc80/keyboard.h>
#include <arch/io.h>
#include <stdlib.h>
#include "chip.h"
#include "it8716f.h"
static void pnp_enter_ext_func_mode(device_t dev)
{
u16 port = dev->path.pnp.port;
outb(0x87, port);
outb(0x01, port);
outb(0x55, port);
outb((port == 0x4e) ? 0xaa : 0x55, port);
}
static void pnp_exit_ext_func_mode(device_t dev)
{
pnp_write_config(dev, 0x02, 0x02);
}
#if !defined(CONFIG_SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL) || !CONFIG_SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL
static void pnp_write_index(u16 port_base, u8 reg, u8 value)
{
outb(reg, port_base);
outb(value, port_base + 1);
}
static u8 pnp_read_index(u16 port_base, u8 reg)
{
outb(reg, port_base);
return inb(port_base + 1);
}
static void init_ec(u16 base)
{
u8 value;
/* Read out current value of FAN_CTL (0x14). */
value = pnp_read_index(base, 0x14);
printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, read value = 0x%02x\n",
base + 0x14, value);
/* Set FAN_CTL (0x14) polarity to high, activate fans 1, 2 and 3. */
pnp_write_index(base, 0x14, value | 0x87);
printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, writing value = 0x%02x\n",
base + 0x14, value | 0x87);
}
#endif
static void it8716f_init(device_t dev)
{
struct superio_ite_it8716f_config *conf = dev->chip_info;
struct resource *res0;
if (!dev->enabled)
return;
/* TODO: FDC, PP, KBCM, MIDI, GAME, IR. */
switch (dev->path.pnp.device) {
case IT8716F_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com1);
break;
case IT8716F_SP2:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
case IT8716F_EC:
res0 = find_resource(dev, PNP_IDX_IO0);
#define EC_INDEX_PORT 5
init_ec(res0->base + EC_INDEX_PORT);
break;
case IT8716F_KBCK:
pc_keyboard_init(&conf->keyboard);
break;
}
}
static void it8716f_pnp_set_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_resources(dev);
pnp_exit_ext_func_mode(dev);
}
static void it8716f_pnp_enable_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_enable_resources(dev);
pnp_exit_ext_func_mode(dev);
}
static void it8716f_pnp_enable(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_enable(dev, !!dev->enabled);
pnp_exit_ext_func_mode(dev);
}
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = it8716f_pnp_set_resources,
.enable_resources = it8716f_pnp_enable_resources,
.enable = it8716f_pnp_enable,
.init = it8716f_init,
};
static struct pnp_info pnp_dev_info[] = {
{ &ops, IT8716F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
{ &ops, IT8716F_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, IT8716F_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, IT8716F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
{ &ops, IT8716F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07f8, 0}, {0x07f8, 4}, },
{ &ops, IT8716F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07ff, 0}, {0x07ff, 4}, },
{ &ops, IT8716F_KBCM, PNP_IRQ0, },
{ &ops, IT8716F_GPIO, PNP_IO1 | PNP_IO2, {0, 0}, {0x07f8, 0}, {0x07f8, 0}, },
{ &ops, IT8716F_MIDI, PNP_IO0 | PNP_IRQ0, {0x07fe, 4}, },
{ &ops, IT8716F_GAME, PNP_IO0, {0x07ff, 0}, },
{ &ops, IT8716F_IR, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_ite_it8716f_ops = {
CHIP_NAME("ITE IT8716F Super I/O")
.enable_dev = enable_dev,
};
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