1 /* $OpenBSD: ym_isapnp.c,v 1.8 2002/03/14 01:26:57 millert Exp $ */
2
3
4 /*
5 * Copyright (c) 1998 Constantine Sapuntzakis. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 /*
31 * Driver for the Yamaha OPL3-SA3 chipset. This is found on many laptops
32 * and Pentium (II) motherboards.
33 */
34
35 #include "midi.h"
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/errno.h>
40 #include <sys/ioctl.h>
41 #include <sys/syslog.h>
42 #include <sys/device.h>
43 #include <sys/proc.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/ic/ad1848reg.h>
53 #include <dev/isa/ad1848var.h>
54
55 #include <dev/ic/cs4231reg.h>
56 #include <dev/isa/cs4231var.h>
57 #include <dev/ic/mpuvar.h>
58
59 #include <dev/isa/wssreg.h>
60 #include <dev/isa/ymvar.h>
61
62 int ym_isapnp_match(struct device *, void *, void *);
63 void ym_isapnp_attach(struct device *, struct device *, void *);
64
65 struct cfattach ym_isapnp_ca = {
66 sizeof(struct ym_softc), ym_isapnp_match, ym_isapnp_attach
67 };
68
69 /*
70 * Probe / attach routines.
71 */
72
73 /*
74 * Probe for the soundblaster hardware.
75 */
76 int
77 ym_isapnp_match(parent, match, aux)
78 struct device *parent;
79 void *match, *aux;
80 {
81 struct isa_attach_args *ia = aux;
82
83 if (ia->ipa_nio < 5)
84 return 0;
85 return 1;
86 }
87
88 /*
89 * Attach hardware to driver, attach hardware driver to audio
90 * pseudo-device driver.
91 */
92 void
93 ym_isapnp_attach(parent, self, aux)
94 struct device *parent, *self;
95 void *aux;
96 {
97 struct ym_softc *sc = (struct ym_softc *)self;
98 struct isa_attach_args *ia = aux;
99
100 sc->sc_iot = ia->ia_iot;
101 sc->sc_ioh = ia->ipa_io[1].h;
102 sc->sc_ic = ia->ia_ic;
103
104 sc->ym_irq = ia->ipa_irq[0].num;
105 sc->ym_drq = ia->ipa_drq[0].num;
106 sc->ym_recdrq = ia->ipa_drq[1].num;
107
108 sc->sc_controlioh = ia->ipa_io[4].h;
109
110 sc->sc_ad1848.sc_ioh = sc->sc_ioh;
111 sc->sc_ad1848.sc_isa = parent->dv_parent;
112 sc->sc_ad1848.sc_iot = sc->sc_iot;
113 sc->sc_ad1848.sc_iooffs = WSS_CODEC;
114 sc->sc_ad1848.mode = 2;
115 sc->sc_ad1848.MCE_bit = MODE_CHANGE_ENABLE;
116
117 #if NMIDI > 0
118 sc->sc_mpu_sc.iobase = ia->ipa_io[3].base;
119 sc->sc_mpu_sc.ioh = ia->ipa_io[3].h;
120 #endif
121
122 ym_attach(sc);
123 }