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 27 /* 28 * Maxim DS1307 RTC registers. 29 */ 30 31 #ifndef _DS1307REG_H_ 32 #define _DS1307REG_H_ 33 34 #define DS1307_SECS 0x00 35 #define DS1307_SECS_MASK 0x7f 36 #define DS1307_SECS_CH 0x80 37 #define MCP7941X_SECS_ST 0x80 38 #define DS1307_MINS 0x01 39 #define DS1307_MINS_MASK 0x7f 40 #define DS1307_HOUR 0x02 41 #define DS1307_HOUR_MASK_12HR 0x1f 42 #define DS1307_HOUR_MASK_24HR 0x3f 43 #define DS1307_HOUR_IS_PM 0x20 44 #define DS1307_HOUR_USE_AMPM 0x40 45 #define RX8035_HOUR_USE_24 0x80 46 #define DS1307_WEEKDAY 0x03 47 #define MCP7941X_WEEKDAY_VBATEN 0x08 48 #define DS1307_WEEKDAY_MASK 0x07 49 #define DS1307_DATE 0x04 50 #define DS1307_DATE_MASK 0x3f 51 #define DS1307_MONTH 0x05 52 #define MCP7941X_MONTH_LPYR 0x20 53 #define DS1307_MONTH_MASK 0x1f 54 #define DS1307_YEAR 0x06 55 #define DS1307_YEAR_MASK 0xff 56 #define DS1307_CONTROL 0x07 57 #define DS1307_CTRL_OUT (1 << 7) 58 #define MCP7941X_CTRL_SQWE (1 << 6) 59 #define DS1307_CTRL_SQWE (1 << 4) 60 #define DS1307_CTRL_RS1 (1 << 1) 61 #define DS1307_CTRL_RS0 (1 << 0) 62 #define DS1307_CTRL_RS_MASK (DS1307_CTRL_RS1 | DS1307_CTRL_RS0) 63 #define DS1307_CTRL_MASK 0x93 64 65 #define RX8035_CTRL_2 0x0F 66 #define RX8035_CTRL_2_PON (1 << 4) 67 #define RX8035_CTRL_2_XSTP (1 << 5) 68 #define RX8035_CTRL_2_VDET (1 << 6) 69 70 #endif /* _DS1307REG_H_ */ 71