wss_isapnp.c revision 1.11 1 /* $NetBSD: wss_isapnp.c,v 1.11 2001/11/13 07:56:43 lukem Exp $ */
2
3 /*
4 * Copyright (c) 1997, 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Lennart Augustsson (augustss (at) netbsd.org).
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: wss_isapnp.c,v 1.11 2001/11/13 07:56:43 lukem Exp $");
41
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/device.h>
45 #include <sys/errno.h>
46
47 #include <machine/bus.h>
48
49 #include <sys/audioio.h>
50 #include <dev/audio_if.h>
51
52 #include <dev/isa/isavar.h>
53 #include <dev/isa/isadmavar.h>
54
55 #include <dev/isapnp/isapnpreg.h>
56 #include <dev/isapnp/isapnpvar.h>
57 #include <dev/isapnp/isapnpdevs.h>
58
59 #include <dev/isa/ad1848var.h>
60 #include <dev/isa/madreg.h>
61 #include <dev/isa/wssreg.h>
62 #include <dev/isa/wssvar.h>
63 #include <dev/isa/sbreg.h>
64
65 int wss_isapnp_match __P((struct device *, struct cfdata *, void *));
66 void wss_isapnp_attach __P((struct device *, struct device *, void *));
67
68 struct cfattach wss_isapnp_ca = {
69 sizeof(struct wss_softc), wss_isapnp_match, wss_isapnp_attach
70 };
71
72
73 /*
74 * Probe / attach routines.
75 */
76
77 /*
78 * Probe for the WSS hardware.
79 */
80 int
81 wss_isapnp_match(parent, match, aux)
82 struct device *parent;
83 struct cfdata *match;
84 void *aux;
85 {
86 int pri, variant;
87
88 pri = isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant);
89 if (pri && variant > 1)
90 pri = 0;
91 return (pri);
92 }
93
94
95
96 /*
97 * Attach hardware to driver, attach hardware driver to audio
98 * pseudo-device driver.
99 */
100 void
101 wss_isapnp_attach(parent, self, aux)
102 struct device *parent, *self;
103 void *aux;
104 {
105 struct wss_softc *sc = (struct wss_softc *)self;
106 struct ad1848_softc *ac = &sc->sc_ad1848.sc_ad1848;
107 struct isapnp_attach_args *ipa = aux;
108 int variant;
109
110 printf("\n");
111
112 if (!isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)) {
113 printf("%s: match failed?\n", self->dv_xname);
114 return;
115 }
116
117 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
118 printf("%s: error in region allocation\n", self->dv_xname);
119 return;
120 }
121
122 switch (variant) {
123 case 1:
124 /* We have to put the chip into `WSS mode'. */
125 {
126 bus_space_tag_t iot;
127 bus_space_handle_t ioh;
128
129 iot = ipa->ipa_iot;
130 ioh = ipa->ipa_io[0].h;
131
132 while (bus_space_read_1(iot, ioh,
133 SBP_DSP_WSTAT) & SB_DSP_BUSY);
134 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x09);
135 while (bus_space_read_1(iot, ioh,
136 SBP_DSP_WSTAT) & SB_DSP_BUSY);
137 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x00);
138 while (bus_space_read_1(iot, ioh,
139 SBP_DSP_WSTAT) & SB_DSP_BUSY);
140
141 delay(1000);
142 }
143
144 sc->sc_iot = ipa->ipa_iot;
145 sc->sc_ioh = ipa->ipa_io[2].h;
146 break;
147
148 default:
149 sc->sc_iot = ipa->ipa_iot;
150 sc->sc_ioh = ipa->ipa_io[0].h;
151 break;
152 }
153
154 sc->mad_chip_type = MAD_NONE;
155
156 /* Set up AD1848 I/O handle. */
157 ac->sc_iot = sc->sc_iot;
158 ac->sc_ioh = sc->sc_ioh;
159 ac->mode = 2;
160
161 sc->sc_ad1848.sc_ic = ipa->ipa_ic;
162
163 sc->wss_ic = ipa->ipa_ic;
164 sc->wss_irq = ipa->ipa_irq[0].num;
165 sc->wss_playdrq = ipa->ipa_drq[0].num;
166 sc->wss_recdrq =
167 ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num : ipa->ipa_drq[0].num;
168
169 if (!ad1848_isa_probe(&sc->sc_ad1848)) {
170 printf("%s: ad1848_probe failed\n", self->dv_xname);
171 return;
172 }
173
174 printf("%s: %s %s", self->dv_xname, ipa->ipa_devident,
175 ipa->ipa_devclass);
176
177 wssattach(sc);
178
179 /* set up OPL I/O handle for ISAPNP boards w/o MAD */
180 if (ipa->ipa_nio > 1 && sc->mad_chip_type == MAD_NONE) {
181 struct audio_attach_args arg;
182
183 sc->sc_opl_ioh = ipa->ipa_io[1].h;
184
185 arg.type = AUDIODEV_TYPE_OPL;
186 arg.hwif = 0;
187 arg.hdl = 0;
188 (void)config_found(&ac->sc_dev, &arg, audioprint);
189 }
190 }
191