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1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */2/*3 * i8k.h -- Linux driver for accessing the SMM BIOS on Dell laptops4 *5 * Copyright (C) 2001 Massimo Dal Zotto <dz@debian.org>6 *7 * This program is free software; you can redistribute it and/or modify it8 * under the terms of the GNU General Public License as published by the9 * Free Software Foundation; either version 2, or (at your option) any10 * later version.11 *12 * This program is distributed in the hope that it will be useful, but13 * WITHOUT ANY WARRANTY; without even the implied warranty of14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU15 * General Public License for more details.16 */17 18#ifndef _LINUX_I8K_H19#define _LINUX_I8K_H20 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 134#define I8K_FAN_RIGHT 035#define I8K_FAN_OFF 036#define I8K_FAN_LOW 137#define I8K_FAN_HIGH 238#define I8K_FAN_TURBO 339#define I8K_FAN_MAX I8K_FAN_TURBO40 41#define I8K_VOL_UP 142#define I8K_VOL_DOWN 243#define I8K_VOL_MUTE 444 45#define I8K_AC 146#define I8K_BATTERY 047 48#endif49