sb_pnpbios.c revision 1.14 
1/* $NetBSD: sb_pnpbios.c,v 1.14 2008/03/17 10:39:49 dogcow 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/cdefs.h>
29__KERNEL_RCSID(0, "$NetBSD: sb_pnpbios.c,v 1.14 2008/03/17 10:39:49 dogcow Exp $");
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/errno.h>
34#include <sys/ioctl.h>
35#include <sys/syslog.h>
36#include <sys/device.h>
37#include <sys/proc.h>
38
39#include <machine/bus.h>
40
41#include <sys/audioio.h>
42#include <dev/audio_if.h>
43#include <dev/midi_if.h>
44#include <dev/mulaw.h>
45
46#include <dev/isa/isavar.h>
47#include <dev/isa/isadmavar.h>
48
49#include <i386/pnpbios/pnpbiosvar.h>
50
51#include <dev/isa/sbreg.h>
52#include <dev/isa/sbvar.h>
53
54#include <dev/isa/sbdspvar.h>
55
56int sb_pnpbios_match(device_t, cfdata_t, void *);
57void sb_pnpbios_attach(device_t, device_t, void *);
58
59CFATTACH_DECL_NEW(sb_pnpbios, sizeof(struct sbdsp_softc),
60    sb_pnpbios_match, sb_pnpbios_attach, NULL, NULL);
61
62int
63sb_pnpbios_match(device_t parent, cfdata_t match, void *aux)
64{
65	struct pnpbiosdev_attach_args *aa = aux;
66
67	if (strcmp(aa->idstr, "NMX2210") &&
68	    strcmp(aa->idstr, "CRX0002"))	/* Cyrix XpressAudio */
69		return (0);
70
71	return (1);
72}
73
74void
75sb_pnpbios_attach(device_t parent, device_t self, void *aux)
76{
77	struct sbdsp_softc *sc = device_private(self);
78	struct pnpbiosdev_attach_args *aa = aux;
79
80	sc->sc_dev = self;
81	if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) {
82		aprint_error(": can't map i/o space\n");
83		return;
84	}
85
86	sc->sc_ic = aa->ic;
87
88	/* XXX These are only for setting chip configuration registers. */
89	pnpbios_getiobase(aa->pbt, aa->resc, 0, 0, &sc->sc_iobase);
90
91	if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->sc_irq,
92	    NULL)) {
93		aprint_error(": can't get IRQ\n");
94		return;
95	}
96
97	if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->sc_drq8)) {
98		aprint_error(": 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	aprint_normal("\n");
105	pnpbios_print_devres(self, aa);
106
107	aprint_normal("%s", device_xname(self));
108
109	if (!sbmatch(sc, 0, device_cfdata(self))) {
110		aprint_error_dev(self, "%s: sbmatch failed\n",
111		    self->dv_xname);
112		return;
113	}
114
115	sc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_AUDIO,
116					   sbdsp_intr, sc);
117
118	sbattach(sc);
119}
120