xref: /freebsd/sys/powerpc/powermac/powermac_thermal.h (revision 63d1fd5970ec814904aa0f4580b10a0d302d08b2)
1 /*-
2  * Copyright (c) 2009-2011 Nathan Whitehorn
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  * $FreeBSD$
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
57