xref: /netbsd-src/sys/dev/i2c/s390reg.h (revision 44fd19e5d2952a9c15136ce9dbe77ba7c0eaf540)
1 /*	$NetBSD: s390reg.h,v 1.1 2011/04/04 17:58:40 phx Exp $	*/
2 
3 /*-
4  * Copyright (c) 2011 Frank Wille.
5  * All rights reserved.
6  *
7  * Written by Frank Wille for The NetBSD Project.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef _DEV_I2C_S390REG_H_
32 #define _DEV_I2C_S390REG_H_
33 
34 /*
35  * S-xx390A Real-Time Clock
36  */
37 
38 #define S390_ADDR		0x30	/* Fixed I2C Slave Address */
39 
40 /* Registers are encoded into the slave address */
41 #define S390_STATUS1		0
42 #define S390_STATUS2		1
43 #define S390_REALTIME1		2
44 #define S390_REALTIME2		3
45 #define S390_INT1_1		4
46 #define S390_INT1_2		5
47 #define S390_CLOCKADJ		6
48 #define S390_FREE		7
49 
50 /* Status1 bits */
51 #define S390_ST1_POC		(1 << 7)
52 #define S390_ST1_BLD		(1 << 6)
53 #define S390_ST1_24H		(1 << 1)
54 #define S390_ST1_RESET		(1 << 0)
55 
56 /* Status2 bits */
57 #define S390_ST2_TEST		(1 << 7)
58 
59 /* Realtime1 data bytes */
60 #define S390_RT1_NBYTES		7
61 #define S390_RT1_YEAR		0
62 #define S390_RT1_MONTH		1
63 #define S390_RT1_DAY		2
64 #define S390_RT1_WDAY		3
65 #define S390_RT1_HOUR		4
66 #define S390_RT1_MINUTE		5
67 #define S390_RT1_SECOND		6
68 
69 #endif /* _DEV_I2C_S390REG_H_ */
70