| /* |
| * 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 !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_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, |
| }; |