xref: /openbmc/linux/include/uapi/linux/i8k.h (revision e2be04c7)
1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /*
3  * i8k.h -- Linux driver for accessing the SMM BIOS on Dell laptops
4  *
5  * Copyright (C) 2001  Massimo Dal Zotto <dz@debian.org>
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the
9  * Free Software Foundation; either version 2, or (at your option) any
10  * later version.
11  *
12  * This program is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * General Public License for more details.
16  */
17 
18 #ifndef _LINUX_I8K_H
19 #define _LINUX_I8K_H
20 
21 #define I8K_PROC		"/proc/i8k"
22 #define I8K_PROC_FMT		"1.0"
23 
24 #define I8K_BIOS_VERSION	_IOR ('i', 0x80, int)	/* broken: meant 4 bytes */
25 #define I8K_MACHINE_ID		_IOR ('i', 0x81, int)	/* broken: meant 16 bytes */
26 #define I8K_POWER_STATUS	_IOR ('i', 0x82, size_t)
27 #define I8K_FN_STATUS		_IOR ('i', 0x83, size_t)
28 #define I8K_GET_TEMP		_IOR ('i', 0x84, size_t)
29 #define I8K_GET_SPEED		_IOWR('i', 0x85, size_t)
30 #define I8K_GET_FAN		_IOWR('i', 0x86, size_t)
31 #define I8K_SET_FAN		_IOWR('i', 0x87, size_t)
32 
33 #define I8K_FAN_LEFT		1
34 #define I8K_FAN_RIGHT		0
35 #define I8K_FAN_OFF		0
36 #define I8K_FAN_LOW		1
37 #define I8K_FAN_HIGH		2
38 #define I8K_FAN_TURBO		3
39 #define I8K_FAN_MAX		I8K_FAN_TURBO
40 
41 #define I8K_VOL_UP		1
42 #define I8K_VOL_DOWN		2
43 #define I8K_VOL_MUTE		4
44 
45 #define I8K_AC			1
46 #define I8K_BATTERY		0
47 
48 #endif
49