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