/*      $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_ */