sys/powerpc/powermac/powermac_thermal.h

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause
   3  *
   4  * Copyright (c) 2009-2011 Nathan Whitehorn
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #ifndef _POWERPC_POWERMAC_POWERMAC_THERMAL_H
  30 #define _POWERPC_POWERMAC_POWERMAC_THERMAL_H
  31
  32 #define ZERO_C_TO_K 2731
  33
  34 struct pmac_fan {
  35         int min_rpm, max_rpm, default_rpm;
  36
  37         char name[32];
  38         int zone;
  39
  40         int (*read)(struct pmac_fan *);
  41         int (*set)(struct pmac_fan *, int value);
  42 };
  43
  44 struct pmac_therm {
  45         int target_temp, max_temp;      /* Tenths of a degree K */
  46
  47         char name[32];
  48         int zone;
  49
  50         int (*read)(struct pmac_therm *);
  51 };
  52
  53 void pmac_thermal_fan_register(struct pmac_fan *);
  54 void pmac_thermal_sensor_register(struct pmac_therm *);
  55
  56 #endif