xref: /netbsd/sys/dev/isapnp/wss_isapnp.c (revision c4a72b64)
1 /*	$NetBSD: wss_isapnp.c,v 1.14 2002/10/02 16:34:05 thorpej 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@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 1.14 2002/10/02 16:34:05 thorpej 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 CFATTACH_DECL(wss_isapnp, sizeof(struct wss_softc),
69     wss_isapnp_match, wss_isapnp_attach, NULL, NULL);
70 
71 /*
72  * Probe / attach routines.
73  */
74 
75 /*
76  * Probe for the WSS hardware.
77  */
78 int
79 wss_isapnp_match(parent, match, aux)
80 	struct device *parent;
81 	struct cfdata *match;
82 	void *aux;
83 {
84 	int pri, variant;
85 
86 	pri = isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant);
87 	if (pri && variant > 1)
88 		pri = 0;
89 	return (pri);
90 }
91 
92 
93 
94 /*
95  * Attach hardware to driver, attach hardware driver to audio
96  * pseudo-device driver.
97  */
98 void
99 wss_isapnp_attach(parent, self, aux)
100 	struct device *parent, *self;
101 	void *aux;
102 {
103 	struct wss_softc *sc = (struct wss_softc *)self;
104 	struct ad1848_softc *ac = &sc->sc_ad1848.sc_ad1848;
105 	struct isapnp_attach_args *ipa = aux;
106 	int variant;
107 
108 	printf("\n");
109 
110 	if (!isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)) {
111 		printf("%s: match failed?\n", self->dv_xname);
112 		return;
113 	}
114 
115 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
116 		printf("%s: error in region allocation\n", self->dv_xname);
117 		return;
118 	}
119 
120 	switch (variant) {
121 	case 1:
122 		/* We have to put the chip into `WSS mode'. */
123 		{
124 			bus_space_tag_t iot;
125 			bus_space_handle_t ioh;
126 
127 			iot = ipa->ipa_iot;
128 			ioh = ipa->ipa_io[0].h;
129 
130 			while (bus_space_read_1(iot, ioh,
131 			    SBP_DSP_WSTAT) & SB_DSP_BUSY);
132 			bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x09);
133 			while (bus_space_read_1(iot, ioh,
134 			    SBP_DSP_WSTAT) & SB_DSP_BUSY);
135 			bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x00);
136 			while (bus_space_read_1(iot, ioh,
137 			    SBP_DSP_WSTAT) & SB_DSP_BUSY);
138 
139 			delay(1000);
140 		}
141 
142 		sc->sc_iot = ipa->ipa_iot;
143        		sc->sc_ioh = ipa->ipa_io[2].h;
144 		break;
145 
146 	default:
147 		sc->sc_iot = ipa->ipa_iot;
148 		sc->sc_ioh = ipa->ipa_io[0].h;
149 		break;
150 	}
151 
152 	sc->mad_chip_type = MAD_NONE;
153 
154 	/* Set up AD1848 I/O handle. */
155 	ac->sc_iot = sc->sc_iot;
156 	ac->sc_ioh = sc->sc_ioh;
157 	ac->mode = 2;
158 
159 	sc->sc_ad1848.sc_ic = ipa->ipa_ic;
160 
161 	sc->wss_ic = ipa->ipa_ic;
162 	sc->wss_irq = ipa->ipa_irq[0].num;
163 	sc->wss_playdrq = ipa->ipa_drq[0].num;
164 	sc->wss_recdrq =
165 	    ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num : ipa->ipa_drq[0].num;
166 
167 	if (!ad1848_isa_probe(&sc->sc_ad1848)) {
168 		printf("%s: ad1848_probe failed\n", self->dv_xname);
169 		return;
170 	}
171 
172 	printf("%s: %s %s", self->dv_xname, ipa->ipa_devident,
173 	    ipa->ipa_devclass);
174 
175 	wssattach(sc);
176 
177 	/* set up OPL I/O handle for ISAPNP boards w/o MAD */
178 	if (ipa->ipa_nio > 1 && sc->mad_chip_type == MAD_NONE) {
179 		struct audio_attach_args arg;
180 
181 		sc->sc_opl_ioh = ipa->ipa_io[1].h;
182 
183 		arg.type = AUDIODEV_TYPE_OPL;
184 		arg.hwif = 0;
185 		arg.hdl = 0;
186 		(void)config_found(&ac->sc_dev, &arg, audioprint);
187 	}
188 }
189