/*      $NetBSD: apple_smcvar.h,v 1.4 2014/04/01 17:49:05 riastradh Exp $       */

/*
* Apple System Management Controller State
*/

/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Taylor R. Campbell.
*
* 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_IC_APPLE_SMCVAR_H_
#define _DEV_IC_APPLE_SMCVAR_H_

#include <sys/param.h>
#include <sys/types.h>
#include <sys/bus.h>
#include <sys/device_if.h>
#include <sys/mutex.h>

struct apple_smc_tag {
       device_t                smc_dev;
       bus_space_tag_t         smc_bst;
       bus_space_handle_t      smc_bsh;
       bus_size_t              smc_size;
       uint32_t                smc_nkeys;      /* number of keys in the SMC */
       kmutex_t                smc_io_lock;    /* excludes I/O with the SMC */

#if 0                           /* XXX sysctl */
       struct sysctllog        *smc_sysctllog;
       const struct sysctlnode *smc_sysctlnode;
#endif
};

void    apple_smc_attach(struct apple_smc_tag *);
int     apple_smc_detach(struct apple_smc_tag *, int);
int     apple_smc_rescan(struct apple_smc_tag *, const char *, const int *);
void    apple_smc_child_detached(struct apple_smc_tag *, device_t);

#endif  /* _DEV_IC_APPLE_SMCVAR_H_ */