sb_pnpbios.c revision 1.1
1/* $NetBSD: sb_pnpbios.c,v 1.1 1999/11/12 18:36:46 drochner Exp $ */
2/*
3 * Copyright (c) 1999
4 * 	Matthias Drochner.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions, and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/param.h>
29#include <sys/systm.h>
30#include <sys/errno.h>
31#include <sys/ioctl.h>
32#include <sys/syslog.h>
33#include <sys/device.h>
34#include <sys/proc.h>
35
36#include <machine/bus.h>
37
38#include <sys/audioio.h>
39#include <dev/audio_if.h>
40#include <dev/midi_if.h>
41#include <dev/mulaw.h>
42
43#include <dev/isa/isavar.h>
44#include <dev/isa/isadmavar.h>
45
46#include <i386/pnpbios/pnpbiosvar.h>
47
48#include <dev/isa/sbreg.h>
49#include <dev/isa/sbvar.h>
50
51#include <dev/isa/sbdspvar.h>
52
53int sb_pnpbios_match __P((struct device *, struct cfdata *, void *));
54void sb_pnpbios_attach __P((struct device *, struct device *, void *));
55
56struct cfattach sb_pnpbios_ca = {
57	sizeof(struct sbdsp_softc), sb_pnpbios_match, sb_pnpbios_attach
58};
59
60int
61sb_pnpbios_match(parent, match, aux)
62	struct device *parent;
63	struct cfdata *match;
64	void *aux;
65{
66	struct pnpbiosdev_attach_args *aa = aux;
67
68	if (strcmp(aa->idstr, "NMX2210"))
69		return (0);
70
71	return (1);
72}
73
74void
75sb_pnpbios_attach(parent, self, aux)
76	struct device *parent, *self;
77	void *aux;
78{
79	struct sbdsp_softc *sc = (void *)self;
80	struct pnpbiosdev_attach_args *aa = aux;
81
82	if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) {
83		printf(": can't map i/o space\n");
84		return;
85	}
86
87	sc->sc_ic = aa->ic;
88
89	/* XXX These are only for setting chip configuration registers. */
90	pnpbios_getiobase(aa->pbt, aa->resc, 0, 0, &sc->sc_iobase);
91
92	if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->sc_irq)) {
93		printf(": can't get IRQ\n");
94		return;
95	}
96
97	if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->sc_drq8)) {
98		printf(": can't get DMA channel\n");
99		return;
100	}
101	if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->sc_drq16))
102		sc->sc_drq16 = -1;
103
104	printf("\n%s", self->dv_xname);
105
106	if (!sbmatch(sc)) {
107		printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
108		return;
109	}
110
111	sc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_AUDIO,
112					   sbdsp_intr, sc);
113
114	sbattach(sc);
115}
116
117