1 /* $OpenBSD: sb_isa.c,v 1.7 2003/04/27 11:22:53 ho Exp $ */
2 /* $NetBSD: sb_isa.c,v 1.15 1997/11/30 15:32:25 drochner 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 <machine/bus.h>
47
48 #include <sys/audioio.h>
49 #include <dev/audio_if.h>
50 #include <dev/midi_if.h>
51 #include <dev/mulaw.h>
52
53 #include <dev/isa/isavar.h>
54 #include <dev/isa/isadmavar.h>
55
56 #include <dev/isa/sbreg.h>
57 #include <dev/isa/sbvar.h>
58
59 #include <dev/isa/sbdspvar.h>
60
61 static int sbfind(struct device *, struct sbdsp_softc *, struct isa_attach_args *);
62
63 #define __BROKEN_INDIRECT_CONFIG /* XXX */
64 #ifdef __BROKEN_INDIRECT_CONFIG
65 int sb_isa_match(struct device *, void *, void *);
66 #else
67 int sb_isa_match(struct device *, struct cfdata *, void *);
68 #endif
69 void sb_isa_attach(struct device *, struct device *, void *);
70
71 struct cfattach sb_isa_ca = {
72 sizeof(struct sbdsp_softc), sb_isa_match, sb_isa_attach
73 };
74
75 /*
76 * Probe / attach routines.
77 */
78
79 /*
80 * Probe for the soundblaster hardware.
81 */
82 int
sb_isa_match(parent,match,aux)83 sb_isa_match(parent, match, aux)
84 struct device *parent;
85 #ifdef __BROKEN_INDIRECT_CONFIG
86 void *match;
87 #else
88 struct cfdata *match;
89 #endif
90 void *aux;
91 {
92 struct sbdsp_softc probesc, *sc = &probesc;
93
94 bzero(sc, sizeof *sc);
95 #ifdef __BROKEN_INDIRECT_CONFIG
96 sc->sc_dev.dv_cfdata = ((struct device *)match)->dv_cfdata;
97 #else
98 sc->sc_dev.dv_cfdata = match;
99 #endif
100 strlcpy(sc->sc_dev.dv_xname, "sb", sizeof sc->sc_dev.dv_xname);
101 return sbfind(parent, sc, aux);
102 }
103
104 static int
sbfind(parent,sc,ia)105 sbfind(parent, sc, ia)
106 struct device *parent;
107 struct sbdsp_softc *sc;
108 struct isa_attach_args *ia;
109 {
110 int rc = 0;
111
112 if (!SB_BASE_VALID(ia->ia_iobase))
113 return 0;
114
115 sc->sc_iot = ia->ia_iot;
116
117 /* Map i/o space [we map 24 ports which is the max of the sb and pro] */
118 if (bus_space_map(sc->sc_iot, ia->ia_iobase, SBP_NPORT, 0,
119 &sc->sc_ioh))
120 return 0;
121
122 sc->sc_iobase = ia->ia_iobase;
123 sc->sc_irq = ia->ia_irq;
124 sc->sc_drq8 = ia->ia_drq;
125 sc->sc_drq16 = ia->ia_drq2;
126 sc->sc_ic = ia->ia_ic;
127
128 if (!sbmatch(sc))
129 goto bad;
130
131 if ((sc->sc_drq8 != -1 && !isa_drq_isfree(parent, sc->sc_drq8)) ||
132 (sc->sc_drq16 != -1 && !isa_drq_isfree(parent, sc->sc_drq16)))
133 goto bad;
134
135 if (ISSBPROCLASS(sc))
136 ia->ia_iosize = SBP_NPORT;
137 else
138 ia->ia_iosize = SB_NPORT;
139
140 if (!ISSB16CLASS(sc) && sc->sc_model != SB_JAZZ)
141 ia->ia_drq2 = -1;
142
143 ia->ia_irq = sc->sc_irq;
144
145 rc = 1;
146
147 bad:
148 bus_space_unmap(sc->sc_iot, sc->sc_ioh, SBP_NPORT);
149 return rc;
150 }
151
152
153 /*
154 * Attach hardware to driver, attach hardware driver to audio
155 * pseudo-device driver .
156 */
157 void
sb_isa_attach(parent,self,aux)158 sb_isa_attach(parent, self, aux)
159 struct device *parent, *self;
160 void *aux;
161 {
162 struct sbdsp_softc *sc = (struct sbdsp_softc *)self;
163 struct isa_attach_args *ia = aux;
164
165 if (!sbfind(parent, sc, ia) ||
166 bus_space_map(sc->sc_iot, ia->ia_iobase, ia->ia_iosize, 0,
167 &sc->sc_ioh)) {
168 printf("%s: sbfind failed\n", sc->sc_dev.dv_xname);
169 return;
170 }
171 sc->sc_ic = ia->ia_ic;
172 sc->sc_isa = parent;
173 sbattach(sc);
174 }
175