mcclock_ioasic.c revision 1.6 1 1.6 jonathan /* $NetBSD: mcclock_ioasic.c,v 1.6 1998/04/19 07:50:26 jonathan Exp $ */
2 1.1 jonathan
3 1.1 jonathan /*
4 1.1 jonathan * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
5 1.1 jonathan * All rights reserved.
6 1.1 jonathan *
7 1.1 jonathan * Author: Chris G. Demetriou
8 1.1 jonathan *
9 1.1 jonathan * Permission to use, copy, modify and distribute this software and
10 1.1 jonathan * its documentation is hereby granted, provided that both the copyright
11 1.1 jonathan * notice and this permission notice appear in all copies of the
12 1.1 jonathan * software, derivative works or modified versions, and any portions
13 1.1 jonathan * thereof, and that both notices appear in supporting documentation.
14 1.1 jonathan *
15 1.1 jonathan * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 1.1 jonathan * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 1.1 jonathan * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 1.1 jonathan *
19 1.1 jonathan * Carnegie Mellon requests users of this software to return to
20 1.1 jonathan *
21 1.1 jonathan * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU
22 1.1 jonathan * School of Computer Science
23 1.1 jonathan * Carnegie Mellon University
24 1.1 jonathan * Pittsburgh PA 15213-3890
25 1.1 jonathan *
26 1.1 jonathan * any improvements or extensions that they make and grant Carnegie the
27 1.1 jonathan * rights to redistribute these changes.
28 1.1 jonathan */
29 1.1 jonathan
30 1.1 jonathan #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
31 1.1 jonathan
32 1.6 jonathan __KERNEL_RCSID(0, "$NetBSD: mcclock_ioasic.c,v 1.6 1998/04/19 07:50:26 jonathan Exp $");
33 1.1 jonathan
34 1.1 jonathan #include <sys/param.h>
35 1.1 jonathan #include <sys/kernel.h>
36 1.1 jonathan #include <sys/systm.h>
37 1.1 jonathan #include <sys/device.h>
38 1.1 jonathan
39 1.1 jonathan #include <machine/autoconf.h>
40 1.2 jonathan #include <dev/dec/clockvar.h>
41 1.3 jonathan #include <dev/dec/mcclockvar.h>
42 1.1 jonathan #include <dev/ic/mc146818reg.h>
43 1.6 jonathan
44 1.6 jonathan
45 1.1 jonathan #include <dev/tc/tcreg.h>
46 1.1 jonathan #include <dev/tc/tcvar.h>
47 1.1 jonathan #include <dev/tc/ioasicvar.h> /* XXX */
48 1.1 jonathan
49 1.6 jonathan #include <pmax/dev/mcclock_decvar.h>
50 1.1 jonathan
51 1.1 jonathan int mcclock_ioasic_match __P((struct device *, struct cfdata *, void *));
52 1.1 jonathan void mcclock_ioasic_attach __P((struct device *, struct device *, void *));
53 1.1 jonathan
54 1.1 jonathan struct cfattach mcclock_ioasic_ca = {
55 1.6 jonathan sizeof (struct mcclock_dec_softc),
56 1.6 jonathan (void *)mcclock_ioasic_match, mcclock_ioasic_attach,
57 1.1 jonathan };
58 1.1 jonathan
59 1.1 jonathan int
60 1.1 jonathan mcclock_ioasic_match(parent, match, aux)
61 1.1 jonathan struct device *parent;
62 1.1 jonathan struct cfdata *match;
63 1.1 jonathan void *aux;
64 1.1 jonathan {
65 1.6 jonathan struct ioasicdev_attach_args *d = aux;
66 1.6 jonathan
67 1.6 jonathan #define CFNAME(cf) ((cf)->dv_cfdata->cf_driver->cd_name)
68 1.6 jonathan if (strcmp(CFNAME(parent), "ioasic") != 0)
69 1.6 jonathan return 0;
70 1.6 jonathan
71 1.6 jonathan if (strcmp("mc146818", d->iada_modname) != 0)
72 1.1 jonathan return (0);
73 1.6 jonathan
74 1.6 jonathan if (tc_badaddr(d->iada_addr))
75 1.6 jonathan return (0);
76 1.6 jonathan
77 1.1 jonathan return (1);
78 1.1 jonathan }
79 1.1 jonathan
80 1.1 jonathan void
81 1.1 jonathan mcclock_ioasic_attach(parent, self, aux)
82 1.1 jonathan struct device *parent, *self;
83 1.1 jonathan void *aux;
84 1.1 jonathan {
85 1.1 jonathan struct ioasicdev_attach_args *ioasicdev = aux;
86 1.6 jonathan struct mcclock_dec_softc *sc = (struct mcclock_dec_softc *)self;
87 1.1 jonathan
88 1.6 jonathan sc->sc_dp = (struct mcclock_dec_clockdatum *)ioasicdev->iada_addr;
89 1.1 jonathan
90 1.6 jonathan /* Attach MI driver, using busfns with TC-style register padding */
91 1.6 jonathan mcclock_attach(&sc->sc_mcclock, &mcclock_dec_busfns);
92 1.1 jonathan }
93