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