sb_pnpbios.c revision 1.4 
1/* $NetBSD: sb_pnpbios.c,v 1.4 2001/03/31 09:24:37 minoura 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	    strcmp(aa->idstr, "CRX0002"))	/* Cyrix XpressAudio */
70		return (0);
71
72	return (1);
73}
74
75void
76sb_pnpbios_attach(parent, self, aux)
77	struct device *parent, *self;
78	void *aux;
79{
80	struct sbdsp_softc *sc = (void *)self;
81	struct pnpbiosdev_attach_args *aa = aux;
82
83	if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) {
84		printf(": can't map i/o space\n");
85		return;
86	}
87
88	sc->sc_ic = aa->ic;
89
90	/* XXX These are only for setting chip configuration registers. */
91	pnpbios_getiobase(aa->pbt, aa->resc, 0, 0, &sc->sc_iobase);
92
93	if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->sc_irq,
94	    NULL)) {
95		printf(": can't get IRQ\n");
96		return;
97	}
98
99	if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->sc_drq8)) {
100		printf(": can't get DMA channel\n");
101		return;
102	}
103	if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->sc_drq16))
104		sc->sc_drq16 = -1;
105
106	printf("\n");
107	pnpbios_print_devres(self, aa);
108
109	printf("%s", self->dv_xname);
110
111	if (!sbmatch(sc)) {
112		printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
113		return;
114	}
115
116	sc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_AUDIO,
117					   sbdsp_intr, sc);
118
119	sbattach(sc);
120}
121