|  | /* | 
|  | * i8k.h -- Linux driver for accessing the SMM BIOS on Dell laptops | 
|  | * | 
|  | * Copyright (C) 2001  Massimo Dal Zotto <dz@debian.org> | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify it | 
|  | * under the terms of the GNU General Public License as published by the | 
|  | * Free Software Foundation; either version 2, or (at your option) any | 
|  | * later version. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, but | 
|  | * WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | * General Public License for more details. | 
|  | */ | 
|  |  | 
|  | #ifndef _LINUX_I8K_H | 
|  | #define _LINUX_I8K_H | 
|  |  | 
|  | #define I8K_PROC		"/proc/i8k" | 
|  | #define I8K_PROC_FMT		"1.0" | 
|  |  | 
|  | #define I8K_BIOS_VERSION	_IOR ('i', 0x80, int)	/* broken: meant 4 bytes */ | 
|  | #define I8K_MACHINE_ID		_IOR ('i', 0x81, int)	/* broken: meant 16 bytes */ | 
|  | #define I8K_POWER_STATUS	_IOR ('i', 0x82, size_t) | 
|  | #define I8K_FN_STATUS		_IOR ('i', 0x83, size_t) | 
|  | #define I8K_GET_TEMP		_IOR ('i', 0x84, size_t) | 
|  | #define I8K_GET_SPEED		_IOWR('i', 0x85, size_t) | 
|  | #define I8K_GET_FAN		_IOWR('i', 0x86, size_t) | 
|  | #define I8K_SET_FAN		_IOWR('i', 0x87, size_t) | 
|  |  | 
|  | #define I8K_FAN_LEFT		1 | 
|  | #define I8K_FAN_RIGHT		0 | 
|  | #define I8K_FAN_OFF		0 | 
|  | #define I8K_FAN_LOW		1 | 
|  | #define I8K_FAN_HIGH		2 | 
|  | #define I8K_FAN_MAX		I8K_FAN_HIGH | 
|  |  | 
|  | #define I8K_VOL_UP		1 | 
|  | #define I8K_VOL_DOWN		2 | 
|  | #define I8K_VOL_MUTE		4 | 
|  |  | 
|  | #define I8K_AC			1 | 
|  | #define I8K_BATTERY		0 | 
|  |  | 
|  | #endif |