1 /* $OpenBSD: sb_isapnp.c,v 1.17 2022/04/06 18:59:29 naddy 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
45 #include <sys/audioio.h>
46 #include <dev/audio_if.h>
47 #include <dev/midi_if.h>
48
49 #include <dev/isa/isavar.h>
50 #include <dev/isa/isadmavar.h>
51
52 #include <dev/isa/sbreg.h>
53 #include <dev/isa/sbvar.h>
54
55 #include <dev/isa/sbdspvar.h>
56
57 int sb_isapnp_match(struct device *, void *, void *);
58 void sb_isapnp_attach(struct device *, struct device *, void *);
59
60 const struct cfattach sb_isapnp_ca = {
61 sizeof(struct sbdsp_softc), sb_isapnp_match, sb_isapnp_attach
62 };
63
64 /*
65 * Probe / attach routines.
66 */
67
68 /*
69 * Probe for the soundblaster hardware.
70 */
71 int
sb_isapnp_match(struct device * parent,void * match,void * aux)72 sb_isapnp_match(struct device *parent, void *match, void *aux)
73 {
74 struct isa_attach_args *ia = aux;
75
76 if (ia->ipa_ndrq < 1)
77 return 0;
78 return 1;
79 }
80
81 /*
82 * Attach hardware to driver, attach hardware driver to audio
83 * pseudo-device driver.
84 */
85 void
sb_isapnp_attach(struct device * parent,struct device * self,void * aux)86 sb_isapnp_attach(struct device *parent, struct device *self, void *aux)
87 {
88 struct sbdsp_softc *sc = (struct sbdsp_softc *) self;
89 struct isa_attach_args *ia = aux;
90
91 sc->sc_iot = ia->ia_iot;
92 sc->sc_ioh = ia->ipa_io[0].h;
93 sc->sc_irq = ia->ipa_irq[0].num;
94 sc->sc_iobase = ia->ipa_io[0].base;
95 sc->sc_ic = ia->ia_ic;
96 sc->sc_drq8 = ia->ipa_drq[0].num;
97
98 if (ia->ipa_ndrq > 1 && ia->ipa_drq[0].num != ia->ipa_drq[1].num) {
99 /* Some cards have the 16 bit drq first */
100 if (sc->sc_drq8 >= 4) {
101 sc->sc_drq16 = sc->sc_drq8;
102 sc->sc_drq8 = ia->ipa_drq[1].num;
103 } else
104 sc->sc_drq16 = ia->ipa_drq[1].num;
105 } else
106 sc->sc_drq16 = DRQUNK;
107
108 #if NMIDI > 0
109 if (ia->ipa_nio > 1) {
110 sc->sc_mpu_sc.iobase = ia->ipa_io[1].base;
111 sc->sc_mpu_sc.ioh = ia->ipa_io[1].h;
112 } else
113 sc->sc_mpu_sc.iobase = 0;
114 #endif
115
116 if (!sbmatch(sc)) {
117 printf(": sbmatch failed\n");
118 return;
119 }
120
121 sc->sc_isa = parent->dv_parent;
122 sbattach(sc);
123 }
124