/*	$NetBSD: apmvar.h,v 1.8 2009/04/05 08:33:04 cegger Exp $	*/
/*-
 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by TAKEMURA Shin.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef _DEV_APM_APMVAR_H_
#define _DEV_APM_APMVAR_H_

#include <dev/apm/apmbios.h>
#include <dev/apm/apmio.h>
#include <sys/selinfo.h>	/* for struct selinfo */

struct apm_accessops {
	void	(*aa_disconnect)(void *);
	void	(*aa_enable)(void *, int);
	int	(*aa_set_powstate)(void *, u_int, u_int);
	int	(*aa_get_powstat)(void *, u_int, struct apm_power_info *);
	int	(*aa_get_event)(void *, u_int *, u_int *);
	void	(*aa_cpu_busy)(void *);
	void	(*aa_cpu_idle)(void *);
	void	(*aa_get_capabilities)(void *, u_int *, u_int *);
};

#define APM_NEVENTS 16

struct apm_softc {
	device_t sc_dev;
	struct selinfo sc_rsel;
	struct selinfo sc_xsel;
	int	sc_flags;
	int	sc_event_count;
	int	sc_event_ptr;
	int	sc_power_state;
	lwp_t	*sc_thread;
	kmutex_t sc_lock;
	struct apm_event_info sc_event_list[APM_NEVENTS];
	struct apm_accessops *sc_ops;
	int	sc_hwflags;
	int	sc_vers;
	int	sc_detail;
	void *sc_cookie;
};

#define	APM_F_DONT_RUN_HOOKS	0x01

int apm_match(void);
void apm_attach(struct apm_softc *);
const char *apm_strerror(int);

#endif /* _DEV_APM_APMVAR_H_ */