xref: /netbsd-src/sys/dev/ic/apple_smcreg.h (revision 0396c57641043eb4231254507c0c9a2f9c1e4382)
1 /*	$NetBSD: apple_smcreg.h,v 1.1 2014/04/01 17:47:36 riastradh Exp $	*/
2 
3 /*
4  * Apple System Management Controller Registers
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_SMCREG_H_
37 #define	_DEV_IC_APPLE_SMCREG_H_
38 
39 #define	APPLE_SMC_DATA			0x00
40 #define	APPLE_SMC_CSR			0x04
41 #define APPLE_SMC_REGSIZE		0x08
42 
43 #define	APPLE_SMC_STATUS_READ_READY	0x01	/* Ready for read.  */
44 #define	APPLE_SMC_STATUS_WRITE_PENDING	0x02	/* Write not yet accepted.  */
45 #define	APPLE_SMC_STATUS_WRITE_ACCEPTED	0x04	/* Write accepted.  */
46 
47 #define	APPLE_SMC_CMD_READ_KEY		0x10
48 #define	APPLE_SMC_CMD_WRITE_KEY		0x11
49 #define	APPLE_SMC_CMD_NTH_KEY		0x12
50 #define	APPLE_SMC_CMD_KEY_DESC		0x13
51 
52 #define	APPLE_SMC_NKEYS_KEY		"#KEY"
53 
54 #endif  /* _DEV_IC_APPLE_SMCREG_H_ */
55