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
34struct 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
44struct 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
53void pmac_thermal_fan_register(struct pmac_fan *);
54void pmac_thermal_sensor_register(struct pmac_therm *);
55
56#endif
57