NetBSD/sys/dev/tc/clockvar.h

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1995-06-28 06:44:51 +04:00
/* $NetBSD: clockvar.h,v 1.1 1995/06/28 02:44:59 cgd Exp $ */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*
* Definitions for "cpu-independent" clock handling for the alpha.
*/
/*
* clocktime structure:
*
* structure passed to TOY clocks when setting them. broken out this
* way, so that the time_t -> field conversion can be shared.
*/
struct clocktime {
int year; /* year - 1900 */
int mon; /* month (1 - 12) */
int day; /* day (1 - 31) */
int hour; /* hour (0 - 23) */
int min; /* minute (0 - 59) */
int sec; /* second (0 - 59) */
int dow; /* day of week (0 - 6; 0 = Sunday) */
};
/*
* clockdesc structure:
*
* provides clock-specific functions to do necessary operations.
*/
struct clock_softc {
struct device sc_dev;
/*
* The functions that all types of clock provide.
*/
void (*sc_attach) __P((struct device *parent, struct device *self,
void *aux));
void (*sc_init) __P((struct clock_softc *csc));
void (*sc_get) __P((struct clock_softc *csc, time_t base,
struct clocktime *ct));
void (*sc_set) __P((struct clock_softc *csc, struct clocktime *ct));
/*
* Private storage for particular clock types.
*/
void *sc_data;
/*
* Has the time been initialized?
*/
int sc_initted;
};