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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2007 Philipp Degler <pdegler@rumms.uni-mannheim.de>
*
* 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 <uart8250.h>
#include <pc80/keyboard.h>
#include <arch/io.h>
#include <stdlib.h>
#include "chip.h"
#include "it8712f.h"
/* Base address 0x2e: 0x87 0x01 0x55 0x55. */
/* Base address 0x4e: 0x87 0x01 0x55 0xaa. */
static void pnp_enter_ext_func_mode(device_t dev)
{
outb(0x87, dev->path.u.pnp.port);
outb(0x01, dev->path.u.pnp.port);
outb(0x55, dev->path.u.pnp.port);
if (dev->path.u.pnp.port == 0x4e) {
outb(0xaa, dev->path.u.pnp.port);
} else {
outb(0x55, dev->path.u.pnp.port);
}
}
static void pnp_exit_ext_func_mode(device_t dev)
{
pnp_write_config(dev, 0x02, 0x02);
}
static void it8712f_init(device_t dev)
{
struct superio_ite_it8712f_config *conf;
struct resource *res0, *res1;
if (!dev->enabled) {
return;
}
conf = dev->chip_info;
switch (dev->path.u.pnp.device) {
case IT8712F_FDC: /* TODO. */
break;
case IT8712F_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com1);
break;
case IT8712F_SP2:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
case IT8712F_PP: /* TODO. */
break;
case IT8712F_EC: /* TODO. */
break;
case IT8712F_KBCK:
res0 = find_resource(dev, PNP_IDX_IO0);
res1 = find_resource(dev, PNP_IDX_IO1);
set_kbc_ps2_mode();
init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
break;
case IT8712F_KBCM: /* TODO. */
break;
case IT8712F_MIDI: /* TODO. */
break;
case IT8712F_GAME: /* TODO. */
break;
case IT8712F_IR: /* TODO. */
break;
}
}
static void it8712f_pnp_set_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_resources(dev);
pnp_exit_ext_func_mode(dev);
}
static void it8712f_pnp_enable_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_enable_resources(dev);
pnp_exit_ext_func_mode(dev);
}
static void it8712f_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 = it8712f_pnp_set_resources,
.enable_resources = it8712f_pnp_enable_resources,
.enable = it8712f_pnp_enable,
.init = it8712f_init,
};
static struct pnp_info pnp_dev_info[] = {
{&ops, IT8712F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0xff8, 0},},
{&ops, IT8712F_SP1, PNP_IO0 | PNP_IRQ0, {0xff8, 0},},
{&ops, IT8712F_SP2, PNP_IO0 | PNP_IRQ0, {0xff8, 0},},
{&ops, IT8712F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0xffc, 0},},
{&ops, IT8712F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0xff8, 0}, {0xff8, 4},},
{&ops, IT8712F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0xfff, 0}, {0xfff, 4},},
{&ops, IT8712F_KBCM, PNP_IRQ0,},
{&ops, IT8712F_GPIO,},
{&ops, IT8712F_MIDI, PNP_IO0 | PNP_IRQ0, {0xff8, 0},},
{&ops, IT8712F_GAME, PNP_IO0, {0xfff, 0},},
{&ops, IT8712F_IR, PNP_IO0 | PNP_IRQ0, {0xff8, 0},},
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &pnp_ops,
ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_ite_it8712f_ops = {
CHIP_NAME("ITE IT8712F Super I/O")
.enable_dev = enable_dev,
};
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