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      1 /* $NetBSD: fancontrolvar.h,v 1.2 2021/07/30 22:07:14 macallan Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2021 Michael Lorenz
      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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef FANCONTROLVAR_H
     30 #define FANCONTROLVAR_H
     31 
     32 #define FANCONTROL_MAX_FANS 10
     33 
     34 typedef struct _fancontrol_fan_data {
     35 	const char *name;
     36 	int num, min_rpm, max_rpm;
     37 } fancontrol_fan_data;
     38 
     39 typedef struct _fancontrol_zone {
     40 	void *cookie;
     41 	const char *name;
     42 	bool (*filter)(const envsys_data_t *);
     43 	int (*get_rpm)(void *, int);
     44 	int (*set_rpm)(void *, int, int);
     45 	int nfans;
     46 	fancontrol_fan_data fans[FANCONTROL_MAX_FANS];
     47 	int Tmin, Tmax;		/* temperature range in this zone */
     48 } fancontrol_zone_t;
     49 
     50 int fancontrol_adjust_zone(fancontrol_zone_t *);
     51 int fancontrol_init_zone(fancontrol_zone_t *, struct sysctlnode *);
     52 
     53 #endif /* FANCONTROLVAR_H */
     54