/* $NetBSD: rtc.h,v 1.10 2012/11/14 13:36:02 rkujawa Exp $ */ /* * Copyright (c) 1994 Christian E. Hopps * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christian E. Hopps. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * information on A3000 clock from Holger Emden. */ #ifndef _RTCVAR_H_ #define _RTCVAR_H_ /* this is a hook set by a clock driver for the configured realtime clock, returning plain current unix-time */ extern int (*ugettod)(struct timeval *); extern int (*usettod)(struct timeval *); struct rtclock3000 { u_int :28, second2:4; /* 0x03 lower digit */ u_int :28, second1:4; /* 0x07 upper digit */ u_int :28, minute2:4; /* 0x0b lower digit */ u_int :28, minute1:4; /* 0x0f upper digit */ u_int :28, hour2:4; /* 0x13 lower digit */ u_int :28, hour1:4; /* 0x17 upper digit */ u_int :28, weekday:4; /* 0x1b */ u_int :28, day2:4; /* 0x1f lower digit */ u_int :28, day1:4; /* 0x23 upper digit */ u_int :28, month2:4; /* 0x27 lower digit */ u_int :28, month1:4; /* 0x2b upper digit */ u_int :28, year2:4; /* 0x2f lower digit */ u_int :28, year1:4; /* 0x33 upper digit */ u_int :28, control1:4; /* 0x37 control-byte 1 */ u_int :28, control2:4; /* 0x3b control-byte 2 */ u_int :28, control3:4; /* 0x3f control-byte 3 */ }; #define A3CONTROL1_HOLD_CLOCK 0 #define A3CONTROL1_FREE_CLOCK 9 /* mode1 registers used by us */ #define leapyear year2 #define A3BBC_SET_REG 0xe0 #define A3BBC_WRITE_REG 0xc2 #define A3BBC_READ_REG 0xc3 #define A3NUM_BBC_REGS 12 /* * Our clock starts at 1/1/1970, but counts the years from 1900. */ #define STARTOFTIME 1970 #define CLOCK_BASE_YEAR 1900 #endif /* _RTCVAR_H_ */ |