xref: /netbsd/sys/arch/i386/pnpbios/sb_pnpbios.c (revision c4a72b64)
1 /* $NetBSD: sb_pnpbios.c,v 1.8 2002/10/02 05:47:17 thorpej 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 1.8 2002/10/02 05:47:17 thorpej 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 
56 int sb_pnpbios_match __P((struct device *, struct cfdata *, void *));
57 void sb_pnpbios_attach __P((struct device *, struct device *, void *));
58 
59 CFATTACH_DECL(sb_pnpbios, sizeof(struct sbdsp_softc),
60     sb_pnpbios_match, sb_pnpbios_attach, NULL, NULL);
61 
62 int
63 sb_pnpbios_match(parent, match, aux)
64 	struct device *parent;
65 	struct cfdata *match;
66 	void *aux;
67 {
68 	struct pnpbiosdev_attach_args *aa = aux;
69 
70 	if (strcmp(aa->idstr, "NMX2210") &&
71 	    strcmp(aa->idstr, "CRX0002"))	/* Cyrix XpressAudio */
72 		return (0);
73 
74 	return (1);
75 }
76 
77 void
78 sb_pnpbios_attach(parent, self, aux)
79 	struct device *parent, *self;
80 	void *aux;
81 {
82 	struct sbdsp_softc *sc = (void *)self;
83 	struct pnpbiosdev_attach_args *aa = aux;
84 
85 	if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) {
86 		printf(": can't map i/o space\n");
87 		return;
88 	}
89 
90 	sc->sc_ic = aa->ic;
91 
92 	/* XXX These are only for setting chip configuration registers. */
93 	pnpbios_getiobase(aa->pbt, aa->resc, 0, 0, &sc->sc_iobase);
94 
95 	if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->sc_irq,
96 	    NULL)) {
97 		printf(": can't get IRQ\n");
98 		return;
99 	}
100 
101 	if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->sc_drq8)) {
102 		printf(": can't get DMA channel\n");
103 		return;
104 	}
105 	if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->sc_drq16))
106 		sc->sc_drq16 = -1;
107 
108 	printf("\n");
109 	pnpbios_print_devres(self, aa);
110 
111 	printf("%s", self->dv_xname);
112 
113 	if (!sbmatch(sc)) {
114 		printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
115 		return;
116 	}
117 
118 	sc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_AUDIO,
119 					   sbdsp_intr, sc);
120 
121 	sbattach(sc);
122 }
123