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