1 /* $NetBSD: rtclock_var.h,v 1.2 1999/03/16 16:30:20 minoura Exp $ */ 2 3 /* 4 * Copyright 1993, 1994 Masaru Oki 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Masaru Oki. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _RTCLOCKVAR_H_ 34 #define _RTCLOCKVAR_H_ 35 36 struct rtc_softc { 37 struct device sc_dev; 38 39 bus_space_tag_t sc_bst; 40 bus_space_handle_t sc_bht; 41 }; 42 43 /* 44 * commands written to mode, HOLD before reading the clock, 45 * FREE after done reading. 46 */ 47 48 #define RTC_HOLD_CLOCK 0 49 #define RTC_FREE_CLOCK 8 50 51 #define RTC_REG(x) (bus_space_read_1(rtc->sc_bst, rtc->sc_bht, (x)) & 0x0f) 52 #define RTC_WRITE(x,v) bus_space_write_1(rtc->sc_bst, rtc->sc_bht, (x), (v)) 53 54 #define RTC_ADDR 0xe8a000 55 56 /* RTC register bank 0 */ 57 #define RTC_SEC 0x01 58 #define RTC_SEC10 0x03 59 #define RTC_MIN 0x05 60 #define RTC_MIN10 0x07 61 #define RTC_HOUR 0x09 62 #define RTC_HOUR10 0x0b 63 #define RTC_WEEK 0x0d 64 #define RTC_DAY 0x0f 65 #define RTC_DAY10 0x11 66 #define RTC_MON 0x13 67 #define RTC_MON10 0x15 68 #define RTC_YEAR 0x17 69 #define RTC_YEAR10 0x19 70 #define RTC_MODE 0x1b 71 #define RTC_TEST 0x1d 72 #define RTC_RESET 0x1f 73 74 /* RTC register bank 1 */ 75 #define RTC_CLKOUT 0x01 76 #define RTC_ADJUST 0x03 77 #define RTC_AL_MIN 0x05 78 #define RTC_AL_MIN10 0x07 79 #define RTC_AL_HOUR 0x09 80 #define RTC_AL_HOUR10 0x0b 81 #define RTC_AL_WEEK 0x0d 82 #define RTC_AL_DAY 0x0f 83 #define RTC_AL_DAY10 0x11 84 #define RTC_UNUSED1 0x13 85 #define RTC_AMPM 0x15 86 #define RTC_LEAP 0x17 87 #define RTC_UNUSED2 0x19 88 89 90 #define FEBRUARY 2 91 #define STARTOFTIME 1970 92 #define SECDAY 86400L 93 #define SECYR (SECDAY * 365) 94 95 #define leapyear(year) ((year) % 4 == 0) 96 #define range_test(n, l, h) if ((n) < (l) || (n) > (h)) return(0) 97 #define days_in_year(a) (leapyear(a) ? 366 : 365) 98 #define days_in_month(a) (month_days[(a) - 1]) 99 100 #endif /* _RTCLOCKVAR_H_ */ 101