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apmvar.h revision 1.8 
      1 /*	$NetBSD: apmvar.h,v 1.8 2009/04/05 08:33:04 cegger Exp $	*/
      2 /*-
      3  * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by TAKEMURA Shin.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 #ifndef _DEV_APM_APMVAR_H_
     31 #define _DEV_APM_APMVAR_H_
     32 
     33 #include <dev/apm/apmbios.h>
     34 #include <dev/apm/apmio.h>
     35 #include <sys/selinfo.h>	/* for struct selinfo */
     36 
     37 struct apm_accessops {
     38 	void	(*aa_disconnect)(void *);
     39 	void	(*aa_enable)(void *, int);
     40 	int	(*aa_set_powstate)(void *, u_int, u_int);
     41 	int	(*aa_get_powstat)(void *, u_int, struct apm_power_info *);
     42 	int	(*aa_get_event)(void *, u_int *, u_int *);
     43 	void	(*aa_cpu_busy)(void *);
     44 	void	(*aa_cpu_idle)(void *);
     45 	void	(*aa_get_capabilities)(void *, u_int *, u_int *);
     46 };
     47 
     48 #define APM_NEVENTS 16
     49 
     50 struct apm_softc {
     51 	device_t sc_dev;
     52 	struct selinfo sc_rsel;
     53 	struct selinfo sc_xsel;
     54 	int	sc_flags;
     55 	int	sc_event_count;
     56 	int	sc_event_ptr;
     57 	int	sc_power_state;
     58 	lwp_t	*sc_thread;
     59 	kmutex_t sc_lock;
     60 	struct apm_event_info sc_event_list[APM_NEVENTS];
     61 	struct apm_accessops *sc_ops;
     62 	int	sc_hwflags;
     63 	int	sc_vers;
     64 	int	sc_detail;
     65 	void *sc_cookie;
     66 };
     67 
     68 #define	APM_F_DONT_RUN_HOOKS	0x01
     69 
     70 int apm_match(void);
     71 void apm_attach(struct apm_softc *);
     72 const char *apm_strerror(int);
     73 
     74 #endif /* _DEV_APM_APMVAR_H_ */
     75