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mcclock_pad32.h revision 1.2.2.2 
      1  1.2.2.2  cgd /*	$NetBSD: mcclock_pad32.h,v 1.2.2.2 1996/12/08 00:31:41 cgd Exp $	*/
      2      1.2  cgd 
      3      1.2  cgd /*
      4      1.2  cgd  * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
      5      1.2  cgd  * All rights reserved.
      6      1.2  cgd  *
      7      1.2  cgd  * Author: Chris G. Demetriou
      8      1.2  cgd  *
      9      1.2  cgd  * Permission to use, copy, modify and distribute this software and
     10      1.2  cgd  * its documentation is hereby granted, provided that both the copyright
     11      1.2  cgd  * notice and this permission notice appear in all copies of the
     12      1.2  cgd  * software, derivative works or modified versions, and any portions
     13      1.2  cgd  * thereof, and that both notices appear in supporting documentation.
     14      1.2  cgd  *
     15      1.2  cgd  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16      1.2  cgd  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17      1.2  cgd  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18      1.2  cgd  *
     19      1.2  cgd  * Carnegie Mellon requests users of this software to return to
     20      1.2  cgd  *
     21      1.2  cgd  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22      1.2  cgd  *  School of Computer Science
     23      1.2  cgd  *  Carnegie Mellon University
     24      1.2  cgd  *  Pittsburgh PA 15213-3890
     25      1.2  cgd  *
     26      1.2  cgd  * any improvements or extensions that they make and grant Carnegie the
     27      1.2  cgd  * rights to redistribute these changes.
     28      1.2  cgd  */
     29      1.1  cgd 
     30      1.1  cgd #include <sys/param.h>
     31      1.1  cgd #include <sys/kernel.h>
     32      1.1  cgd #include <sys/systm.h>
     33      1.1  cgd #include <sys/device.h>
     34      1.1  cgd 
     35      1.1  cgd #include <alpha/alpha/clockvar.h>
     36      1.1  cgd #include <alpha/alpha/mcclockvar.h>
     37      1.1  cgd #include <dev/ic/mc146818reg.h>
     38      1.1  cgd #include <dev/tc/tcreg.h>
     39      1.1  cgd #include <dev/tc/tcvar.h>
     40      1.1  cgd #include <dev/tc/ioasicvar.h>                   /* XXX */
     41      1.1  cgd 
     42      1.1  cgd struct mcclock_ioasic_clockdatum {
     43      1.1  cgd 	u_char	datum;
     44      1.1  cgd 	char	pad[3];
     45      1.1  cgd };
     46      1.1  cgd 
     47      1.1  cgd struct mcclock_ioasic_softc {
     48      1.1  cgd 	struct mcclock_softc	sc_mcclock;
     49      1.1  cgd 
     50      1.1  cgd 	struct mcclock_ioasic_clockdatum *sc_dp;
     51      1.1  cgd };
     52      1.1  cgd 
     53  1.2.2.1  cgd int	mcclock_ioasic_match __P((struct device *, struct cfdata *, void *));
     54      1.1  cgd void	mcclock_ioasic_attach __P((struct device *, struct device *, void *));
     55      1.1  cgd 
     56      1.1  cgd struct cfattach mcclock_ioasic_ca = {
     57      1.1  cgd 	sizeof (struct mcclock_ioasic_softc), mcclock_ioasic_match,
     58      1.1  cgd 	    mcclock_ioasic_attach,
     59      1.1  cgd };
     60      1.1  cgd 
     61      1.1  cgd void	mcclock_ioasic_write __P((struct mcclock_softc *, u_int, u_int));
     62      1.1  cgd u_int	mcclock_ioasic_read __P((struct mcclock_softc *, u_int));
     63      1.1  cgd 
     64      1.1  cgd const struct mcclock_busfns mcclock_ioasic_busfns = {
     65      1.1  cgd 	mcclock_ioasic_write, mcclock_ioasic_read,
     66      1.1  cgd };
     67      1.1  cgd 
     68      1.1  cgd int
     69      1.1  cgd mcclock_ioasic_match(parent, match, aux)
     70      1.1  cgd 	struct device *parent;
     71  1.2.2.1  cgd 	struct cfdata *match;
     72  1.2.2.1  cgd 	void *aux;
     73      1.1  cgd {
     74      1.1  cgd 	struct ioasicdev_attach_args *d = aux;
     75      1.1  cgd 
     76      1.1  cgd 	if (strncmp("TOY_RTC ", d->iada_modname, TC_ROM_LLEN))
     77      1.1  cgd 		return (0);
     78      1.1  cgd 
     79      1.1  cgd 	return (1);
     80      1.1  cgd }
     81      1.1  cgd 
     82      1.1  cgd void
     83      1.1  cgd mcclock_ioasic_attach(parent, self, aux)
     84      1.1  cgd 	struct device *parent, *self;
     85      1.1  cgd 	void *aux;
     86      1.1  cgd {
     87      1.1  cgd 	struct ioasicdev_attach_args *ioasicdev = aux;
     88      1.1  cgd 	struct mcclock_ioasic_softc *sc = (struct mcclock_ioasic_softc *)self;
     89      1.1  cgd 
     90      1.1  cgd 	sc->sc_dp = (struct mcclock_ioasic_clockdatum *)ioasicdev->iada_addr;
     91      1.1  cgd 
     92      1.1  cgd 	mcclock_attach(&sc->sc_mcclock, &mcclock_ioasic_busfns);
     93      1.1  cgd }
     94      1.1  cgd 
     95      1.1  cgd void
     96      1.1  cgd mcclock_ioasic_write(dev, reg, datum)
     97      1.1  cgd 	struct mcclock_softc *dev;
     98      1.1  cgd 	u_int reg, datum;
     99      1.1  cgd {
    100      1.1  cgd 	struct mcclock_ioasic_softc *sc = (struct mcclock_ioasic_softc *)dev;
    101      1.1  cgd 
    102      1.1  cgd 	sc->sc_dp[reg].datum = datum;
    103      1.1  cgd }
    104      1.1  cgd 
    105      1.1  cgd u_int
    106      1.1  cgd mcclock_ioasic_read(dev, reg)
    107      1.1  cgd 	struct mcclock_softc *dev;
    108      1.1  cgd 	u_int reg;
    109      1.1  cgd {
    110      1.1  cgd 	struct mcclock_ioasic_softc *sc = (struct mcclock_ioasic_softc *)dev;
    111      1.1  cgd 
    112      1.1  cgd 	return (sc->sc_dp[reg].datum);
    113      1.1  cgd }
    114