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
ym_isapnp_match(parent,match,aux)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
ym_isapnp_attach(parent,self,aux)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 }
124