87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/* $NetBSD: mcclock_ioasic.c,v 1.14 2000/01/10 03:24:41 simonb Exp $ */
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/*
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* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: mcclock_ioasic.c,v 1.14 2000/01/10 03:24:41 simonb Exp $");
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#include <sys/param.h>
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#include <sys/device.h>
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#include <dev/dec/mcclockvar.h>
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#include <dev/dec/mcclock_pad32.h>
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#include <dev/tc/tcvar.h>
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#include <dev/tc/ioasicvar.h>
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static int mcclock_ioasic_match __P((struct device *, struct cfdata *,
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void *));
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static void mcclock_ioasic_attach __P((struct device *, struct device *,
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void *));
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struct cfattach mcclock_ioasic_ca = {
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sizeof (struct mcclock_pad32_softc),
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mcclock_ioasic_match, mcclock_ioasic_attach,
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};
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extern struct cfdriver ioasic_cd;
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static int
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mcclock_ioasic_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct ioasicdev_attach_args *d = aux;
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if (parent->dv_cfdata->cf_driver != &ioasic_cd)
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return 0;
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if (strcmp("mc146818", d->iada_modname) != 0)
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return (0);
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if (tc_badaddr(d->iada_addr))
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return (0);
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return (1);
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}
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static void
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mcclock_ioasic_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct ioasicdev_attach_args *ioasicdev = aux;
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struct mcclock_pad32_softc *sc = (struct mcclock_pad32_softc *)self;
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sc->sc_dp = (struct mcclock_pad32_clockdatum *)ioasicdev->iada_addr;
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/* Attach MI driver, using busfns with TC-style register padding */
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mcclock_attach(&sc->sc_mcclock, &mcclock_pad32_busfns);
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}
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