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      1 /*	$NetBSD: apple_smcvar.h,v 1.4 2014/04/01 17:49:05 riastradh Exp $	*/
      2 
      3 /*
      4  * Apple System Management Controller State
      5  */
      6 
      7 /*-
      8  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      9  * All rights reserved.
     10  *
     11  * This code is derived from software contributed to The NetBSD Foundation
     12  * by Taylor R. Campbell.
     13  *
     14  * Redistribution and use in source and binary forms, with or without
     15  * modification, are permitted provided that the following conditions
     16  * are met:
     17  * 1. Redistributions of source code must retain the above copyright
     18  *    notice, this list of conditions and the following disclaimer.
     19  * 2. Redistributions in binary form must reproduce the above copyright
     20  *    notice, this list of conditions and the following disclaimer in the
     21  *    documentation and/or other materials provided with the distribution.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     33  * POSSIBILITY OF SUCH DAMAGE.
     34  */
     35 
     36 #ifndef _DEV_IC_APPLE_SMCVAR_H_
     37 #define _DEV_IC_APPLE_SMCVAR_H_
     38 
     39 #include <sys/param.h>
     40 #include <sys/types.h>
     41 #include <sys/bus.h>
     42 #include <sys/device_if.h>
     43 #include <sys/mutex.h>
     44 
     45 struct apple_smc_tag {
     46 	device_t		smc_dev;
     47 	bus_space_tag_t		smc_bst;
     48 	bus_space_handle_t	smc_bsh;
     49 	bus_size_t		smc_size;
     50 	uint32_t		smc_nkeys;	/* number of keys in the SMC */
     51 	kmutex_t		smc_io_lock;	/* excludes I/O with the SMC */
     52 
     53 #if 0				/* XXX sysctl */
     54 	struct sysctllog	*smc_sysctllog;
     55 	const struct sysctlnode	*smc_sysctlnode;
     56 #endif
     57 };
     58 
     59 void	apple_smc_attach(struct apple_smc_tag *);
     60 int	apple_smc_detach(struct apple_smc_tag *, int);
     61 int	apple_smc_rescan(struct apple_smc_tag *, const char *, const int *);
     62 void	apple_smc_child_detached(struct apple_smc_tag *, device_t);
     63 
     64 #endif  /* _DEV_IC_APPLE_SMCVAR_H_ */
     65