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