sys/sys/power.h

   1 /*-
   2  * Copyright (c) 2001 Mitsuru IWASAKI
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  *      $FreeBSD: src/sys/sys/power.h,v 1.3.6.1 2003/08/18 20:22:23 jhb Exp $
  27  *      $DragonFly: src/sys/sys/power.h,v 1.3 2006/05/21 03:43:47 dillon Exp $
  28  */
  29
  30 #ifndef _SYS_POWER_H_
  31 #define _SYS_POWER_H_
  32
  33 #ifndef _KERNEL
  34
  35 #error "This file should not be included by userland programs."
  36
  37 #else
  38
  39 #ifndef _SYS_TYPES_H_
  40 #include <sys/types.h>
  41 #endif
  42 #ifndef _SYS_EVENTHANDLER_H_
  43 #include <sys/eventhandler.h>
  44 #endif
  45
  46 /* Power management system type */
  47 #define POWER_PM_TYPE_APM               0x00
  48 #define POWER_PM_TYPE_ACPI              0x01
  49 #define POWER_PM_TYPE_NONE              0xff
  50
  51 /* Commands for Power management function */
  52 #define POWER_CMD_SUSPEND               0x00
  53
  54 /* Sleep state */
  55 #define POWER_SLEEP_STATE_STANDBY       0x00
  56 #define POWER_SLEEP_STATE_SUSPEND       0x01
  57 #define POWER_SLEEP_STATE_HIBERNATE     0x02
  58
  59 typedef int (*power_pm_fn_t)(u_long, void*, ...);
  60 extern int       power_pm_register(u_int, power_pm_fn_t, void *);
  61 extern u_int     power_pm_get_type(void);
  62 extern void      power_pm_suspend(int);
  63
  64 /*
  65  * System power API.
  66  */
  67 #define POWER_PROFILE_PERFORMANCE        0
  68 #define POWER_PROFILE_ECONOMY            1
  69
  70 extern int      power_profile_get_state(void);
  71 extern void     power_profile_set_state(int);
  72
  73 typedef void (*power_profile_change_hook)(void *, int);
  74 EVENTHANDLER_DECLARE(power_profile_change, power_profile_change_hook);
  75
  76 #endif  /* _KERNEL */
  77 #endif  /* !_SYS_POWER_H_ */
  78