740b587baa
PS/2 keyboard API. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Patrick Georgi <patrick.georgi@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5152 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
147 lines
4 KiB
C
147 lines
4 KiB
C
/*
|
|
* 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.pnp.port);
|
|
outb(0x01, dev->path.pnp.port);
|
|
outb(0x55, dev->path.pnp.port);
|
|
|
|
if (dev->path.pnp.port == 0x4e) {
|
|
outb(0xaa, dev->path.pnp.port);
|
|
} else {
|
|
outb(0x55, dev->path.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.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();
|
|
pc_keyboard_init(&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, PNP_IO0 | PNP_IO1 | PNP_IO2 | PNP_IRQ0, {0xfff, 0}, {0xff8, 0}, {0xff8, 0},},
|
|
{&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,
|
|
};
|