FreeBSD kernel IICBUS device code
ds1307reg.h
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1/*-
2 * Copyright (c) 2015 Luiz Otavio O Souza <loos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29/*
30 * Maxim DS1307 RTC registers.
31 */
32
33#ifndef _DS1307REG_H_
34#define _DS1307REG_H_
35
36#define DS1307_SECS 0x00
37#define DS1307_SECS_MASK 0x7f
38#define DS1307_SECS_CH 0x80
39#define MCP7941X_SECS_ST 0x80
40#define DS1307_MINS 0x01
41#define DS1307_MINS_MASK 0x7f
42#define DS1307_HOUR 0x02
43#define DS1307_HOUR_MASK_12HR 0x1f
44#define DS1307_HOUR_MASK_24HR 0x3f
45#define DS1307_HOUR_IS_PM 0x20
46#define DS1307_HOUR_USE_AMPM 0x40
47#define DS1307_WEEKDAY 0x03
48#define MCP7941X_WEEKDAY_VBATEN 0x08
49#define DS1307_WEEKDAY_MASK 0x07
50#define DS1307_DATE 0x04
51#define DS1307_DATE_MASK 0x3f
52#define DS1307_MONTH 0x05
53#define MCP7941X_MONTH_LPYR 0x20
54#define DS1307_MONTH_MASK 0x1f
55#define DS1307_YEAR 0x06
56#define DS1307_YEAR_MASK 0xff
57#define DS1307_CONTROL 0x07
58#define DS1307_CTRL_OUT (1 << 7)
59#define MCP7941X_CTRL_SQWE (1 << 6)
60#define DS1307_CTRL_SQWE (1 << 4)
61#define DS1307_CTRL_RS1 (1 << 1)
62#define DS1307_CTRL_RS0 (1 << 0)
63#define DS1307_CTRL_RS_MASK (DS1307_CTRL_RS1 | DS1307_CTRL_RS0)
64#define DS1307_CTRL_MASK 0x93
65
66#endif /* _DS1307REG_H_ */