1/*
2 * i8k.h -- Linux driver for accessing the SMM BIOS on Dell laptops
3 *
4 * Copyright (C) 2001  Massimo Dal Zotto <dz@debian.org>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2, or (at your option) any
9 * later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * General Public License for more details.
15 */
16
17#ifndef _LINUX_I8K_H
18#define _LINUX_I8K_H
19
20#define I8K_PROC		"/proc/i8k"
21#define I8K_PROC_FMT		"1.0"
22
23#define I8K_BIOS_VERSION	_IOR ('i', 0x80, int)	/* broken: meant 4 bytes */
24#define I8K_MACHINE_ID		_IOR ('i', 0x81, int)	/* broken: meant 16 bytes */
25#define I8K_POWER_STATUS	_IOR ('i', 0x82, size_t)
26#define I8K_FN_STATUS		_IOR ('i', 0x83, size_t)
27#define I8K_GET_TEMP		_IOR ('i', 0x84, size_t)
28#define I8K_GET_SPEED		_IOWR('i', 0x85, size_t)
29#define I8K_GET_FAN		_IOWR('i', 0x86, size_t)
30#define I8K_SET_FAN		_IOWR('i', 0x87, size_t)
31
32#define I8K_FAN_LEFT		1
33#define I8K_FAN_RIGHT		0
34#define I8K_FAN_OFF		0
35#define I8K_FAN_LOW		1
36#define I8K_FAN_HIGH		2
37#define I8K_FAN_TURBO		3
38#define I8K_FAN_MAX		I8K_FAN_TURBO
39
40#define I8K_VOL_UP		1
41#define I8K_VOL_DOWN		2
42#define I8K_VOL_MUTE		4
43
44#define I8K_AC			1
45#define I8K_BATTERY		0
46
47#endif
48