pcf2123reg.h revision 330897
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
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 unmodified, this list of conditions, and the following
12 *    disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30/* $FreeBSD: stable/11/sys/mips/atheros/pcf2123reg.h 330897 2018-03-14 03:19:51Z eadler $ */
31
32#ifndef __PCF2123REG_H__
33#define	__PCF2123REG_H__
34
35/* Control and status */
36#define	PCF2123_REG_CTRL1		0x0
37#define	PCF2123_REG_CTRL2		0x1
38
39/* Time and date */
40#define	PCF2123_REG_SECONDS		0x2
41#define	PCF2123_REG_MINUTES		0x3
42#define	PCF2123_REG_HOURS		0x4
43#define	PCF2123_REG_DAYS		0x5
44#define	PCF2123_REG_WEEKDAYS		0x6
45#define	PCF2123_REG_MONTHS		0x7
46#define	PCF2123_REG_YEARS		0x8
47
48/* Alarm registers */
49#define	PCF2123_REG_MINUTE_ALARM	0x9
50#define	PCF2123_REG_HOUR_ALARM		0xA
51#define	PCF2123_REG_DAY_ALARM		0xB
52#define	PCF2123_REG_WEEKDAY_ALARM	0xC
53
54/* Offset */
55#define	PCF2123_REG_OFFSET		0xD
56
57/* Timer */
58#define	PCF2123_REG_TIMER_CLKOUT	0xE
59#define	PCF2123_REG_COUNTDOWN_TIMER	0xF
60
61/* Commands */
62#define	PCF2123_CMD_READ	(1 << 7)
63#define	PCF2123_CMD_WRITE	(0 << 7)
64
65#define	PCF2123_READ(reg)	(PCF2123_CMD_READ | (1 << 4) | (reg))
66#define	PCF2123_WRITE(reg)	(PCF2123_CMD_WRITE | (1 << 4) | (reg))
67
68#endif /* __PCF2123REG_H__ */
69
70