xref: /openbsd/sys/arch/macppc/dev/thermal.h (revision 9b7c3dbb)
1 /*	$OpenBSD: thermal.h,v 1.2 2016/05/23 04:52:50 mglocker Exp $ */
2 
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 #define ZERO_C_TO_MUK	273150000
30 
31 struct thermal_fan {
32 	int min_rpm, max_rpm, default_rpm;
33 
34 	char name[32];
35 	int zone;
36 
37 	int (*read)(struct thermal_fan *);
38 	int (*set)(struct thermal_fan *, int value);
39 };
40 
41 struct thermal_temp {
42 	int64_t target_temp, max_temp;	/* muK */
43 
44 	char name[32];
45 	int zone;
46 
47 	int (*read)(struct thermal_temp *);
48 };
49 
50 void thermal_fan_register(struct thermal_fan *);
51 void thermal_sensor_register(struct thermal_temp *);
52