xref: /netbsd-src/sys/dev/i2c/rs5c372reg.h (revision aaf4ece63a859a04e37cf3a7229b5fab0157cc06)
1 /*	$NetBSD: rs5c372reg.h,v 1.2 2005/12/11 12:21:23 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 2005 Kimihiro Nonaka
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _DEV_I2C_RS5C372REG_H_
30 #define _DEV_I2C_RS5C372REG_H_
31 
32 /*
33  * RS5C372[AB] Real-Time Clock
34  */
35 
36 #define	RS5C372_ADDR		0x32	/* Fixed I2C Slave Address */
37 
38 #define RS5C372_SECONDS		0
39 #define RS5C372_MINUTES		1
40 #define RS5C372_HOURS		2
41 #define RS5C372_DAY		3
42 #define RS5C372_DATE		4
43 #define RS5C372_MONTH		5
44 #define RS5C372_YEAR		6
45 #define RS5C372_CLOCK_CORRECT	7
46 #define RS5C372_ALARMA_MIN	8
47 #define RS5C372_ALARMA_HOUR	9
48 #define RS5C372_ALARMA_DATE	10
49 #define RS5C372_ALARMB_MIN	11
50 #define RS5C372_ALARMB_HOUR	12
51 #define RS5C372_ALARMB_DATE	13
52 #define RS5C372_CONTROL1	14
53 #define RS5C372_CONTROL2	15
54 #define	RS5C372_NREGS		16
55 #define	RS5C372_NRTC_REGS	7
56 
57 /*
58  * Bit definitions.
59  */
60 #define	RS5C372_SECONDS_MASK	0x7f
61 #define	RS5C372_MINUTES_MASK	0x7f
62 #define	RS5C372_HOURS_12HRS_PM	(1u << 5)	/* If 12 hr mode, set = PM */
63 #define	RS5C372_HOURS_12MASK	0x1f
64 #define	RS5C372_HOURS_24MASK	0x3f
65 #define	RS5C372_DAY_MASK	0x07
66 #define	RS5C372_DATE_MASK	0x3f
67 #define	RS5C372_MONTH_MASK	0x1f
68 #define	RS5C372_CONTROL2_24HRS	(1u << 5)
69 #define	RS5C372_CONTROL2_XSTP	(1u << 4)	/* read */
70 #define	RS5C372_CONTROL2_ADJ	(1u << 4)	/* write */
71 #define	RS5C372_CONTROL2_NCLEN	(1u << 3)
72 #define	RS5C372_CONTROL2_CTFG	(1u << 2)
73 #define	RS5C372_CONTROL2_AAFG	(1u << 1)
74 #define	RS5C372_CONTROL2_BAFG	(1u << 0)
75 
76 #endif /* _DEV_I2C_RS5C372REG_H_ */
77