aoa.c revision 1.1 
1/*	$OpenBSD: aoa.c,v 1.1 2005/10/31 00:04:54 joris Exp $	*/
2/*	$Id: aoa.c,v 1.1 2005/10/31 00:04:54 joris Exp $	*/
3
4/*-
5 * Copyright (c) 2005 Tsubai Masanari.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/*
31 * WORK-IN-PROGRESS AOAKeylargo audio driver.
32 */
33
34#include <sys/param.h>
35#include <sys/audioio.h>
36#include <sys/device.h>
37#include <sys/systm.h>
38
39#include <dev/audio_if.h>
40#include <dev/ofw/openfirm.h>
41
42#include <machine/autoconf.h>
43#include <macppc/dev/dbdma.h>
44
45#include <macppc/dev/i2svar.h>
46
47#ifdef AOA_DEBUG
48# define DPRINTF printf
49#else
50# define DPRINTF while (0) printf
51#endif
52
53#define aoa_softc i2s_softc		/* XXX */
54
55int aoa_match(struct device *, void *, void *);
56void aoa_attach(struct device *, struct device *, void *);
57
58/* XXX */
59int aoa_getdev(void *, struct audio_device *);
60
61void aoa_set_volume(struct aoa_softc *, int, int);
62
63struct cfattach aoa_ca = {
64	sizeof(struct aoa_softc), aoa_match, aoa_attach
65};
66
67struct cfdriver aoa_cd = {
68	NULL, "aoa", DV_DULL
69};
70
71struct audio_hw_if aoa_hw_if = {
72	i2s_open,
73	i2s_close,
74	NULL,
75	i2s_query_encoding,
76	i2s_set_params,
77	i2s_round_blocksize,
78	NULL,
79	NULL,
80	NULL,
81	NULL,
82	NULL,
83	i2s_halt_output,
84	i2s_halt_input,
85	NULL,
86	aoa_getdev,
87	NULL,
88	i2s_set_port,
89	i2s_get_port,
90	i2s_query_devinfo,
91	i2s_allocm,
92	NULL,
93	i2s_round_buffersize,
94	i2s_mappage,
95	i2s_get_props,
96	i2s_trigger_output,
97	i2s_trigger_input,
98};
99
100struct audio_device aoa_device = {
101	"AOA",
102	"",
103	"aoa"
104};
105
106int
107aoa_match(parent, match, aux)
108	struct device *parent;
109	void *match;
110	void *aux;
111{
112	struct confargs *ca = aux;
113	int soundbus, soundchip;
114	char compat[32];
115
116	if (strcmp(ca->ca_name, "i2s") != 0)
117		return 0;
118
119	if ((soundbus = OF_child(ca->ca_node)) == 0 ||
120	    (soundchip = OF_child(soundbus)) == 0)
121		return 0;
122
123	bzero(compat, sizeof compat);
124	OF_getprop(soundchip, "compatible", compat, sizeof compat);
125
126	if (strcmp(compat, "AOAKeylargo") == 0)
127		return 1;
128	if (strcmp(compat, "AOAK2") == 0)
129		return 1;
130	if (strcmp(compat, "AOAbase") == 0)
131		return 1;
132
133	return 0;
134}
135
136void
137aoa_attach(parent, self, aux)
138	struct device *parent, *self;
139	void *aux;
140{
141	struct aoa_softc *sc = (struct aoa_softc *)self;
142
143	/* "set volume" callback */
144	sc->sc_setvolume = aoa_set_volume;
145
146	i2s_attach(parent, sc, aux);
147	audio_attach_mi(&aoa_hw_if, sc, &sc->sc_dev);
148}
149
150int
151aoa_getdev(h, retp)
152	void *h;
153	struct audio_device *retp;
154{
155	*retp = aoa_device;
156	return 0;
157}
158
159void
160aoa_set_volume(sc, left, right)
161	struct aoa_softc *sc;
162	int left, right;
163{
164	printf("aoa_set_volume() not supported yet\n");
165}
166