2 * This file is part of the coreboot project.
4 * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
5 * Copyright (C) 2007 AMD
6 * (Written by Yinghai Lu <yinghai.lu@amd.com> for AMD)
7 * Copyright (C) 2007 Ward Vandewege <ward@gnu.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 #include <device/device.h>
25 #include <device/pnp.h>
26 #include <console/console.h>
28 #include <pc80/keyboard.h>
34 static void pnp_enter_ext_func_mode(device_t dev)
36 u16 port = dev->path.pnp.port;
41 outb((port == 0x4e) ? 0xaa : 0x55, port);
44 static void pnp_exit_ext_func_mode(device_t dev)
46 pnp_write_config(dev, 0x02, 0x02);
49 #if !CONFIG_SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL
50 static void pnp_write_index(u16 port_base, u8 reg, u8 value)
53 outb(value, port_base + 1);
56 static u8 pnp_read_index(u16 port_base, u8 reg)
59 return inb(port_base + 1);
62 static void init_ec(u16 base)
66 /* Read out current value of FAN_CTL (0x14). */
67 value = pnp_read_index(base, 0x14);
68 printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, read value = 0x%02x\n",
71 /* Set FAN_CTL (0x14) polarity to high, activate fans 1, 2 and 3. */
72 pnp_write_index(base, 0x14, value | 0x87);
73 printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, writing value = 0x%02x\n",
74 base + 0x14, value | 0x87);
78 static void it8716f_init(device_t dev)
80 struct superio_ite_it8716f_config *conf = dev->chip_info;
81 struct resource *res0;
86 /* TODO: FDC, PP, KBCM, MIDI, GAME, IR. */
87 switch (dev->path.pnp.device) {
89 res0 = find_resource(dev, PNP_IDX_IO0);
90 #define EC_INDEX_PORT 5
91 init_ec(res0->base + EC_INDEX_PORT);
94 pc_keyboard_init(&conf->keyboard);
99 static void it8716f_pnp_set_resources(device_t dev)
101 pnp_enter_ext_func_mode(dev);
102 pnp_set_resources(dev);
103 pnp_exit_ext_func_mode(dev);
106 static void it8716f_pnp_enable_resources(device_t dev)
108 pnp_enter_ext_func_mode(dev);
109 pnp_enable_resources(dev);
110 pnp_exit_ext_func_mode(dev);
113 static void it8716f_pnp_enable(device_t dev)
115 pnp_enter_ext_func_mode(dev);
116 pnp_set_logical_device(dev);
117 pnp_set_enable(dev, !!dev->enabled);
118 pnp_exit_ext_func_mode(dev);
121 static struct device_operations ops = {
122 .read_resources = pnp_read_resources,
123 .set_resources = it8716f_pnp_set_resources,
124 .enable_resources = it8716f_pnp_enable_resources,
125 .enable = it8716f_pnp_enable,
126 .init = it8716f_init,
129 static struct pnp_info pnp_dev_info[] = {
130 { &ops, IT8716F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
131 { &ops, IT8716F_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
132 { &ops, IT8716F_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
133 { &ops, IT8716F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
134 { &ops, IT8716F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07f8, 0}, {0x07f8, 4}, },
135 { &ops, IT8716F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07ff, 0}, {0x07ff, 4}, },
136 { &ops, IT8716F_KBCM, PNP_IRQ0, },
137 { &ops, IT8716F_GPIO, PNP_IO1 | PNP_IO2, {0, 0}, {0x07f8, 0}, {0x07f8, 0}, },
138 { &ops, IT8716F_MIDI, PNP_IO0 | PNP_IRQ0, {0x07fe, 4}, },
139 { &ops, IT8716F_GAME, PNP_IO0, {0x07ff, 0}, },
140 { &ops, IT8716F_IR, },
143 static void enable_dev(struct device *dev)
145 pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
148 struct chip_operations superio_ite_it8716f_ops = {
149 CHIP_NAME("ITE IT8716F Super I/O")
150 .enable_dev = enable_dev,