1 /* $OpenBSD: sb_isapnp.c,v 1.13 2002/03/14 01:26:56 millert Exp $ */
2 /* $NetBSD: sb_isa.c,v 1.3 1997/03/20 11:03:11 mycroft Exp $ */
3
4 /*
5 * Copyright (c) 1991-1993 Regents of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the Computer Systems
19 * Engineering Group at Lawrence Berkeley Laboratory.
20 * 4. Neither the name of the University nor of the Laboratory may be used
21 * to endorse or promote products derived from this software without
22 * specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 */
37
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/errno.h>
41 #include <sys/ioctl.h>
42 #include <sys/syslog.h>
43 #include <sys/device.h>
44 #include <sys/proc.h>
45
46 #include <sys/audioio.h>
47 #include <dev/audio_if.h>
48 #include <dev/midi_if.h>
49 #include <dev/mulaw.h>
50
51 #include <dev/isa/isavar.h>
52 #include <dev/isa/isadmavar.h>
53
54 #include <dev/isa/sbreg.h>
55 #include <dev/isa/sbvar.h>
56
57 #include <dev/isa/sbdspvar.h>
58
59 int sb_isapnp_match(struct device *, void *, void *);
60 void sb_isapnp_attach(struct device *, struct device *, void *);
61
62 struct cfattach sb_isapnp_ca = {
63 sizeof(struct sbdsp_softc), sb_isapnp_match, sb_isapnp_attach
64 };
65
66 /*
67 * Probe / attach routines.
68 */
69
70 /*
71 * Probe for the soundblaster hardware.
72 */
73 int
sb_isapnp_match(parent,match,aux)74 sb_isapnp_match(parent, match, aux)
75 struct device *parent;
76 void *match, *aux;
77 {
78 struct isa_attach_args *ia = aux;
79
80 if (ia->ipa_ndrq < 1)
81 return 0;
82 return 1;
83 }
84
85 /*
86 * Attach hardware to driver, attach hardware driver to audio
87 * pseudo-device driver.
88 */
89 void
sb_isapnp_attach(parent,self,aux)90 sb_isapnp_attach(parent, self, aux)
91 struct device *parent, *self;
92 void *aux;
93 {
94 struct sbdsp_softc *sc = (struct sbdsp_softc *) self;
95 struct isa_attach_args *ia = aux;
96
97 sc->sc_iot = ia->ia_iot;
98 sc->sc_ioh = ia->ipa_io[0].h;
99 sc->sc_irq = ia->ipa_irq[0].num;
100 sc->sc_iobase = ia->ipa_io[0].base;
101 sc->sc_ic = ia->ia_ic;
102 sc->sc_drq8 = ia->ipa_drq[0].num;
103
104 if (ia->ipa_ndrq > 1 && ia->ipa_drq[0].num != ia->ipa_drq[1].num) {
105 /* Some cards have the 16 bit drq first */
106 if (sc->sc_drq8 >= 4) {
107 sc->sc_drq16 = sc->sc_drq8;
108 sc->sc_drq8 = ia->ipa_drq[1].num;
109 } else
110 sc->sc_drq16 = ia->ipa_drq[1].num;
111 } else
112 sc->sc_drq16 = DRQUNK;
113
114 #if NMIDI > 0
115 if (ia->ipa_nio > 1) {
116 sc->sc_mpu_sc.iobase = ia->ipa_io[1].base;
117 sc->sc_mpu_sc.ioh = ia->ipa_io[1].h;
118 } else
119 sc->sc_mpu_sc.iobase = 0;
120 #endif
121
122 if (!sbmatch(sc)) {
123 printf(": sbmatch failed\n");
124 return;
125 }
126
127 sc->sc_isa = parent->dv_parent;
128 sbattach(sc);
129 }
130