1 /* $NetBSD: ess_ofisa.c,v 1.12 2003/05/03 18:11:31 wiz Exp $ */
2
3 /*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: ess_ofisa.c,v 1.12 2003/05/03 18:11:31 wiz Exp $");
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/device.h>
46
47 #include <machine/bus.h>
48 #include <machine/intr.h>
49
50 #include <sys/audioio.h>
51 #include <dev/audio_if.h>
52 #include <dev/mulaw.h>
53
54 #include <dev/ofw/openfirm.h>
55 #include <dev/isa/isavar.h>
56 #include <dev/ofisa/ofisavar.h>
57
58 #include <dev/isa/essreg.h>
59 #include <dev/isa/essvar.h>
60
61 int ess_ofisa_match __P((struct device *, struct cfdata *, void *));
62 void ess_ofisa_attach __P((struct device *, struct device *, void *));
63
64 CFATTACH_DECL(ess_ofisa, sizeof(struct ess_softc),
65 ess_ofisa_match, ess_ofisa_attach, NULL, NULL);
66
67 int
68 ess_ofisa_match(parent, cf, aux)
69 struct device *parent;
70 struct cfdata *cf;
71 void *aux;
72 {
73 struct ofisa_attach_args *aa = aux;
74 static const char *const compatible_strings[] = {
75 "ESST,es1887-codec", /* ESS 1887 */
76 "ESST,es1888-codec", /* ESS 1888 */
77 "ESST,es888-codec", /* ESS 888 */
78 NULL,
79 };
80 int rv = 0;
81
82 /* XXX table */
83 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) {
84 rv = 10;
85 }
86
87 return (rv);
88 }
89
90 void
91 ess_ofisa_attach(parent, self, aux)
92 struct device *parent, *self;
93 void *aux;
94 {
95 struct ess_softc *sc = (void *)self;
96 struct ofisa_attach_args *aa = aux;
97 struct ofisa_reg_desc reg;
98 struct ofisa_intr_desc intr[2];
99 struct ofisa_dma_desc dma[2];
100 int n, ndrq;
101 char *model;
102
103 /*
104 * We're living on an OFW. We have to ask the OFW what our
105 * registers and interrupts properties look like.
106 *
107 * We expect:
108 *
109 * 1 i/o register region
110 * 1 or 2 interrupts
111 * 2 DMA channels
112 */
113
114 n = ofisa_reg_get(aa->oba.oba_phandle, ®, 1);
115 if (n != 1) {
116 printf(": error getting register data\n");
117 return;
118 }
119 if (reg.type != OFISA_REG_TYPE_IO) {
120 printf(": register type not i/o\n");
121 return;
122 }
123 if (reg.len != ESS_NPORT) {
124 printf(": weird register size (%lu, expected %d)\n",
125 (unsigned long)reg.len, ESS_NPORT);
126 return;
127 }
128
129 n = ofisa_intr_get(aa->oba.oba_phandle, intr, 2);
130 if (n == 1) {
131 sc->sc_audio1.irq = intr[0].irq;
132 sc->sc_audio1.ist = intr[0].share;
133 sc->sc_audio2.irq = intr[0].irq;
134 sc->sc_audio2.ist = intr[0].share;
135 } else if (n == 2) {
136 sc->sc_audio1.irq = intr[0].irq;
137 sc->sc_audio1.ist = intr[0].share;
138 sc->sc_audio2.irq = intr[1].irq;
139 sc->sc_audio2.ist = intr[1].share;
140 } else {
141 printf(": error getting interrupt data\n");
142 return;
143 }
144
145 ndrq = ofisa_dma_get(aa->oba.oba_phandle, dma, 2);
146 if (ndrq != 2) {
147 printf(": error getting DMA data\n");
148 return;
149 }
150 sc->sc_audio1.drq = dma[0].drq;
151 sc->sc_audio2.drq = dma[1].drq;
152
153 sc->sc_ic = aa->ic;
154
155 sc->sc_iot = aa->iot;
156 sc->sc_iobase = reg.addr;
157 if (bus_space_map(sc->sc_iot, sc->sc_iobase, reg.len, 0,
158 &sc->sc_ioh)) {
159 printf(": unable to map register space\n");
160 return;
161 }
162
163 /*
164 * The Shark firmware doesn't program the ESS ISA address registers.
165 * Do that here instead of inside essmatch() since we want to defer
166 * to the firmware on other platforms.
167 */
168 if (ess_config_addr(sc))
169 return;
170 if (essmatch(sc) == 0) {
171 printf(": essmatch failed\n");
172 return;
173 }
174
175 n = OF_getproplen(aa->oba.oba_phandle, "model");
176 if (n > 0) {
177 model = alloca(n);
178 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) == n)
179 printf(": %s\n%s", model, sc->sc_dev.dv_xname);
180 }
181
182 essattach(sc);
183 }
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