wmpower-0.4.3/src/power_management/cpufreq/cpufreq.h

   1 /***************************************************************************
   2                           cpufreq.h  -  description
   3                              -------------------
   4     begin                : Feb 10 2003
   5     copyright            : (C) 2003,2004,2005 by Noberasco Michele
   6     e-mail               : s4t4n@gentoo.org
   7 ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  *   This program is distributed in the hope that it will be useful,       *
  17  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  18  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  19  *   GNU General Public License for more details.                          *
  20  *                                                                         *
  21  *   You should have received a copy of the GNU General Public License     *
  22  *   along with this program; if not, write to the                         *
  23  *   Free Software Foundation, Inc.,                                       *
  24  *   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.              *
  25  *                                                                         *
  26  ***************************************************************************/
  27
  28
  29 #define CPUFREQ_GOV_PERFORMANCE "performance"
  30 #define CPUFREQ_GOV_ONDEMAND    "ondemand"
  31
  32
  33 /* Checks wether this machine supports CPU frequency scaling */
  34 int check_cpufreq(void);
  35
  36 /* Set cpufreq governor */
  37 int cpufreq_set_governor(char *governor);
  38
  39 /* Get cpufreq governor of CPU #n, where 1<=n<=MAX, where MAX is
  40  * the number of CPUs you have in your system
  41  */
  42 char *cpufreq_get_governor(int cpu);