ds3231reg.h revision 279399
1/*- 2 * Copyright (c) 2014-2015 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: head/sys/dev/iicbus/ds3231reg.h 279399 2015-02-28 19:02:44Z loos $ 27 */ 28 29/* 30 * Maxim DS3231 RTC registers. 31 */ 32 33#ifndef _DS3231REG_H_ 34#define _DS3231REG_H_ 35 36#define DS3231_SECS 0x00 37#define DS3231_SECS_MASK 0x7f 38#define DS3231_MINS 0x01 39#define DS3231_MINS_MASK 0x7f 40#define DS3231_HOUR 0x02 41#define DS3231_HOUR_MASK 0x3f 42#define DS3231_WEEKDAY 0x03 43#define DS3231_WEEKDAY_MASK 0x07 44#define DS3231_DATE 0x04 45#define DS3231_DATE_MASK 0x3f 46#define DS3231_MONTH 0x05 47#define DS3231_MONTH_MASK 0x1f 48#define DS3231_C_MASK 0x80 49#define DS3231_YEAR 0x06 50#define DS3231_YEAR_MASK 0xff 51#define DS3231_CONTROL 0x0e 52#define DS3231_CTRL_EOSC (1 << 7) 53#define DS3231_CTRL_BBSQW (1 << 6) 54#define DS3231_CTRL_CONV (1 << 5) 55#define DS3231_CTRL_RS2 (1 << 4) 56#define DS3231_CTRL_RS1 (1 << 3) 57#define DS3231_CTRL_RS_MASK (DS3231_CTRL_RS2 | DS3231_CTRL_RS1) 58#define DS3231_CTRL_RS_SHIFT 3 59#define DS3231_CTRL_INTCN (1 << 2) 60#define DS3231_CTRL_A2IE (1 << 1) 61#define DS3231_CTRL_A1IE (1 << 0) 62#define DS3231_CTRL_MASK \ 63 (DS3231_CTRL_EOSC | DS3231_CTRL_A1IE | DS3231_CTRL_A2IE) 64#define DS3231_STATUS 0x0f 65#define DS3231_STATUS_OSF (1 << 7) 66#define DS3231_STATUS_EN32KHZ (1 << 3) 67#define DS3231_STATUS_BUSY (1 << 2) 68#define DS3231_STATUS_A2F (1 << 1) 69#define DS3231_STATUS_A1F (1 << 0) 70#define DS3231_TEMP 0x11 71#define DS3231_TEMP_MASK 0xffc0 72#define DS3231_0500C 0x80 73#define DS3231_0250C 0x40 74#define DS3231_MSB 0x8000 75#define DS3231_NEG_BIT DS3231_MSB 76#define TZ_ZEROC 2732 77 78#endif /* _DS3231REG_H_ */ 79