1 /* $NetBSD: clock.h,v 1.10 2017/05/22 17:12:11 ragge Exp $ */ 2 /* 3 * Copyright (c) 1996 Ludd, University of Lule}, Sweden. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 #ifndef _VAX_CLOCK_H_ 27 #define _VAX_CLOCK_H_ 28 29 #include <dev/clock_subr.h> 30 31 /* 32 * Time constants. These are unlikely to change. 33 */ 34 #define TODRBASE (1 << 28) /* Rumours says it comes from VMS */ 35 36 #define SEC_OFF 0 37 #define MIN_OFF 2 38 #define HR_OFF 4 39 #define WDAY_OFF 6 40 #define DAY_OFF 7 41 #define MON_OFF 8 42 #define YR_OFF 9 43 #define CSRA_OFF 10 44 #define CSRB_OFF 11 45 #define CSRD_OFF 13 46 47 #define CSRA_UIP 0200 48 #define CSRB_SET 0200 49 #define CSRB_24 0002 50 #define CSRB_DM 0004 51 #define CSRD_VRT 0200 52 53 /* Var's used when dealing with clock chip */ 54 extern volatile short *clk_page; 55 extern int clk_adrshift, clk_tweak; 56 57 /* Prototypes */ 58 int generic_gettime(struct timeval *); 59 void generic_settime(struct timeval *); 60 int chip_gettime(struct timeval *); 61 void chip_settime(struct timeval *); 62 int yeartonum(int); 63 int numtoyear(int); 64 65 #endif /* _VAX_CLOCK_H_ */ 66