2 * This file is part of the coreboot project.
4 * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <console/console.h>
22 #include <device/device.h>
23 #include <device/pnp.h>
27 #include <pc80/mc146818rtc.h>
29 void pmh7_backlight_enable(int onoff)
32 pmh7_register_set_bit(0x50, 5);
34 pmh7_register_clear_bit(0x50, 5);
37 void pmh7_dock_event_enable(int onoff)
40 pmh7_register_set_bit(0x60, 3);
42 pmh7_register_clear_bit(0x60, 3);
46 void pmh7_touchpad_enable(int onoff)
49 pmh7_register_clear_bit(0x51, 2);
51 pmh7_register_set_bit(0x51, 2);
54 void pmh7_ultrabay_power_enable(int onoff)
57 pmh7_register_clear_bit(0x62, 0);
59 pmh7_register_set_bit(0x62, 0);
62 void pmh7_register_set_bit(int reg, int bit)
66 outb(reg, EC_LENOVO_PMH7_ADDR);
67 val = inb(EC_LENOVO_PMH7_DATA);
68 outb(reg, EC_LENOVO_PMH7_ADDR);
69 outb(val | (1 << bit), EC_LENOVO_PMH7_DATA);
72 void pmh7_register_clear_bit(int reg, int bit)
76 outb(reg, EC_LENOVO_PMH7_ADDR);
77 val = inb(EC_LENOVO_PMH7_DATA);
78 outb(reg, EC_LENOVO_PMH7_ADDR);
79 outb(val &= ~(1 << bit), EC_LENOVO_PMH7_DATA);
82 char pmh7_register_read(int reg)
84 outb(reg, EC_LENOVO_PMH7_ADDR);
85 return inb(EC_LENOVO_PMH7_DATA);
88 void pmh7_register_write(int reg, int val)
90 outb(reg, EC_LENOVO_PMH7_ADDR);
91 outb(val, EC_LENOVO_PMH7_DATA);
96 static void enable_dev(device_t dev)
98 struct ec_lenovo_pmh7_config *conf = dev->chip_info;
99 struct resource *resource;
102 resource = new_resource(dev, EC_LENOVO_PMH7_INDEX);
103 resource->flags = IORESOURCE_IO | IORESOURCE_FIXED;
104 resource->base = EC_LENOVO_PMH7_BASE;
109 pmh7_backlight_enable(conf->backlight_enable);
110 pmh7_dock_event_enable(conf->dock_event_enable);
112 if (!get_option(&val, "touchpad"))
113 pmh7_touchpad_enable(val);
116 struct chip_operations ec_lenovo_pmh7_ops = {
117 CHIP_NAME("Lenovo Power Management Hardware Hub 7")
118 .enable_dev = enable_dev,