1 /* $OpenBSD: fdc_gsc.c,v 1.6 2022/03/13 08:04:38 mpi Exp $ */
2
3 /*
4 * Copyright (c) 1998 Michael Shalayeff
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26 * THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/device.h>
33
34 #include <machine/iomod.h>
35 #include <machine/bus.h>
36 #include <machine/intr.h>
37 #include <machine/autoconf.h>
38
39 #include <dev/ic/fdreg.h>
40 #include <dev/ic/fdlink.h>
41
42 #include <hppa/dev/cpudevs.h>
43
44 /* controller driver configuration */
45 int fdc_gsc_probe(struct device *, void *, void *);
46 void fdc_gsc_attach(struct device *, struct device *, void *);
47
48 const struct cfattach fdc_gsc_ca = {
49 sizeof(struct fdc_softc), fdc_gsc_probe, fdc_gsc_attach
50 };
51
52 int
fdc_gsc_probe(parent,match,aux)53 fdc_gsc_probe(parent, match, aux)
54 struct device *parent;
55 void *match, *aux;
56 {
57 struct confargs *ca = aux;
58 bus_space_handle_t ioh;
59 int rv;
60
61 if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
62 ca->ca_type.iodc_sv_model != HPPA_FIO_GPCFD)
63 return 0;
64
65 /* Map the I/O space. */
66 if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
67 return 0;
68
69 rv = fdcprobe1(ca->ca_iot, ioh | IOMOD_DEVOFFSET);
70 bus_space_unmap(ca->ca_iot, ioh, IOMOD_HPASIZE);
71 return rv;
72 }
73
74 void
fdc_gsc_attach(parent,self,aux)75 fdc_gsc_attach(parent, self, aux)
76 struct device *parent, *self;
77 void *aux;
78 {
79 struct fdc_softc *sc = (void *)self;
80 bus_space_handle_t ioh;
81 struct confargs *ca = aux;
82
83 /* Re-map the I/O space. */
84 if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
85 panic("fdcattach: couldn't map I/O ports");
86
87 ioh |= IOMOD_DEVOFFSET;
88 sc->sc_iot = ca->ca_iot;
89 sc->sc_ioh = ioh;
90 sc->sc_ioh_ctl = ioh + FDCTL_OFFSET;
91
92 fdc_attach_subr(sc);
93 }
94
95
96