1 /* $NetBSD: fdc_gsc.c,v 1.1 2014/02/24 07:23:43 skrll Exp $ */
2
3 /* $OpenBSD: fdc_gsc.c,v 1.1 1998/09/30 04:45:46 mickey Exp $ */
4
5 /*
6 * Copyright (c) 1998 Michael Shalayeff
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: fdc_gsc.c,v 1.1 2014/02/24 07:23:43 skrll Exp $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/device.h>
37
38 #include <machine/iomod.h>
39 #include <sys/bus.h>
40 #include <machine/intr.h>
41 #include <machine/autoconf.h>
42
43 #include <dev/ic/fdreg.h>
44 #include <dev/ic/fdlink.h>
45
46 #include <hppa/dev/cpudevs.h>
47
48 /* controller driver configuration */
49 int fdc_gsc_probe(device_t, cfdata_t, void *);
50 void fdc_gsc_attach(device_t, device_t, void *);
51
52 CFATTACH_DECL_NEW(fdc_gsc, sizeof(struct fdc_softc),
53 fdc_gsc_probe, fdc_gsc_attach, NULL, NULL);
54
55 int
fdc_gsc_probe(device_t parent,cfdata_t match,void * aux)56 fdc_gsc_probe(device_t parent, cfdata_t match, void *aux)
57 {
58 struct confargs *ca = aux;
59 bus_space_handle_t ioh;
60 int rv;
61
62 if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
63 ca->ca_type.iodc_sv_model != HPPA_FIO_GPCFD)
64 return 0;
65
66 /* Map the i/o space. */
67 if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
68 return 0;
69
70 rv = fdcprobe1(ca->ca_iot, ioh | IOMOD_DEVOFFSET);
71 bus_space_unmap(ca->ca_iot, ioh, IOMOD_HPASIZE);
72 return rv;
73 }
74
75 void
fdc_gsc_attach(device_t parent,device_t self,void * aux)76 fdc_gsc_attach(device_t parent, device_t self, void *aux)
77 {
78 struct fdc_softc *sc = device_private(self);
79 bus_space_handle_t ioh;
80 struct confargs *ca = aux;
81
82 sc->sc_dev = self;
83
84 /* Re-map the I/O space. */
85 if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) {
86 aprint_error(": can't map I/O ports\n");
87 return;
88 }
89
90 ioh |= IOMOD_DEVOFFSET;
91 sc->sc_iot = ca->ca_iot;
92 sc->sc_ioh = ioh;
93 sc->sc_ioh_ctl = ioh + FDCTL_OFFSET;
94
95 fdc_attach_subr(sc);
96 }
97