1 /* $OpenBSD: aoa.c,v 1.16 2022/10/26 20:19:07 kn Exp $ */
2
3 /*-
4 * Copyright (c) 2005 Tsubai Masanari. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /*
30 * WORK-IN-PROGRESS AOAKeylargo audio driver.
31 */
32
33 #include <sys/param.h>
34 #include <sys/audioio.h>
35 #include <sys/device.h>
36 #include <sys/systm.h>
37
38 #include <dev/audio_if.h>
39 #include <dev/ofw/openfirm.h>
40 #include <macppc/dev/dbdma.h>
41
42 #include <machine/autoconf.h>
43
44 #include <macppc/dev/i2svar.h>
45
46 #ifdef AOA_DEBUG
47 # define DPRINTF printf
48 #else
49 # define DPRINTF while (0) printf
50 #endif
51
52 /* XXX */
53 #define aoa_softc i2s_softc
54
55 int aoa_match(struct device *, void *, void *);
56 void aoa_attach(struct device *, struct device *, void *);
57 void aoa_defer(struct device *);
58 void aoa_set_volume(struct aoa_softc *, int, int);
59
60 const struct cfattach aoa_ca = {
61 sizeof(struct aoa_softc), aoa_match, aoa_attach
62 };
63
64 struct cfdriver aoa_cd = {
65 NULL, "aoa", DV_DULL
66 };
67
68 const struct audio_hw_if aoa_hw_if = {
69 .open = i2s_open,
70 .close = i2s_close,
71 .set_params = i2s_set_params,
72 .round_blocksize = i2s_round_blocksize,
73 .halt_output = i2s_halt_output,
74 .halt_input = i2s_halt_input,
75 .set_port = i2s_set_port,
76 .get_port = i2s_get_port,
77 .query_devinfo = i2s_query_devinfo,
78 .allocm = i2s_allocm,
79 .round_buffersize = i2s_round_buffersize,
80 .trigger_output = i2s_trigger_output,
81 .trigger_input = i2s_trigger_input,
82 };
83
84 int
aoa_match(struct device * parent,void * match,void * aux)85 aoa_match(struct device *parent, void *match, void *aux)
86 {
87 struct confargs *ca = aux;
88 int soundbus, soundchip;
89 char compat[32];
90
91 if (strcmp(ca->ca_name, "i2s") != 0)
92 return (0);
93
94 if ((soundbus = OF_child(ca->ca_node)) == 0 ||
95 (soundchip = OF_child(soundbus)) == 0)
96 return (0);
97
98 bzero(compat, sizeof compat);
99 OF_getprop(soundchip, "compatible", compat, sizeof compat);
100
101 if (strcmp(compat, "AOAKeylargo") == 0 &&
102 strcmp(hw_prod, "PowerBook5,4") != 0)
103 return (1);
104 if (strcmp(compat, "AOAK2") == 0)
105 return (1);
106 if (strcmp(compat, "AOAShasta") == 0)
107 return (1);
108
109 return (0);
110 }
111
112 void
aoa_attach(struct device * parent,struct device * self,void * aux)113 aoa_attach(struct device *parent, struct device *self, void *aux)
114 {
115 struct aoa_softc *sc = (struct aoa_softc *)self;
116
117 sc->sc_setvolume = aoa_set_volume;
118
119 i2s_attach(parent, sc, aux);
120 config_defer(self, aoa_defer);
121 }
122
123 void
aoa_defer(struct device * dev)124 aoa_defer(struct device *dev)
125 {
126 struct aoa_softc *sc = (struct aoa_softc *)dev;
127
128 audio_attach_mi(&aoa_hw_if, sc, NULL, &sc->sc_dev);
129 deq_reset(sc);
130 }
131
132 void
aoa_set_volume(struct aoa_softc * sc,int left,int right)133 aoa_set_volume(struct aoa_softc *sc, int left, int right)
134 {
135 /* This device doesn't provide volume control. */
136 }
137