xref: /kernel/linux/linux-6.6/sound/soc/au1x/db1200.c (revision 62306a36)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * DB1200/DB1300/DB1550 ASoC audio fabric support code.
4 *
5 * (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>
6 *
7 */
8
9#include <linux/module.h>
10#include <linux/moduleparam.h>
11#include <linux/timer.h>
12#include <linux/interrupt.h>
13#include <linux/platform_device.h>
14#include <sound/core.h>
15#include <sound/pcm.h>
16#include <sound/soc.h>
17#include <asm/mach-au1x00/au1000.h>
18#include <asm/mach-au1x00/au1xxx_psc.h>
19#include <asm/mach-au1x00/au1xxx_dbdma.h>
20#include <asm/mach-db1x00/bcsr.h>
21
22#include "../codecs/wm8731.h"
23#include "psc.h"
24
25static const struct platform_device_id db1200_pids[] = {
26	{
27		.name		= "db1200-ac97",
28		.driver_data	= 0,
29	}, {
30		.name		= "db1200-i2s",
31		.driver_data	= 1,
32	}, {
33		.name		= "db1300-ac97",
34		.driver_data	= 2,
35	}, {
36		.name		= "db1300-i2s",
37		.driver_data	= 3,
38	}, {
39		.name		= "db1550-ac97",
40		.driver_data	= 4,
41	}, {
42		.name		= "db1550-i2s",
43		.driver_data	= 5,
44	},
45	{},
46};
47
48/*-------------------------  AC97 PART  ---------------------------*/
49
50SND_SOC_DAILINK_DEFS(db1200_ac97,
51	DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
52	DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec.1", "ac97-hifi")),
53	DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
54
55static struct snd_soc_dai_link db1200_ac97_dai = {
56	.name		= "AC97",
57	.stream_name	= "AC97 HiFi",
58	SND_SOC_DAILINK_REG(db1200_ac97),
59};
60
61static struct snd_soc_card db1200_ac97_machine = {
62	.name		= "DB1200_AC97",
63	.owner		= THIS_MODULE,
64	.dai_link	= &db1200_ac97_dai,
65	.num_links	= 1,
66};
67
68SND_SOC_DAILINK_DEFS(db1300_ac97,
69	DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
70	DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec.1", "wm9712-hifi")),
71	DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
72
73static struct snd_soc_dai_link db1300_ac97_dai = {
74	.name		= "AC97",
75	.stream_name	= "AC97 HiFi",
76	SND_SOC_DAILINK_REG(db1300_ac97),
77};
78
79static struct snd_soc_card db1300_ac97_machine = {
80	.name		= "DB1300_AC97",
81	.owner		= THIS_MODULE,
82	.dai_link	= &db1300_ac97_dai,
83	.num_links	= 1,
84};
85
86static struct snd_soc_card db1550_ac97_machine = {
87	.name		= "DB1550_AC97",
88	.owner		= THIS_MODULE,
89	.dai_link	= &db1200_ac97_dai,
90	.num_links	= 1,
91};
92
93/*-------------------------  I2S PART  ---------------------------*/
94
95static int db1200_i2s_startup(struct snd_pcm_substream *substream)
96{
97	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
98	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
99
100	/* WM8731 has its own 12MHz crystal */
101	snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
102				12000000, SND_SOC_CLOCK_IN);
103
104	return 0;
105}
106
107static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
108	.startup	= db1200_i2s_startup,
109};
110
111SND_SOC_DAILINK_DEFS(db1200_i2s,
112	DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.1")),
113	DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
114	DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
115
116static struct snd_soc_dai_link db1200_i2s_dai = {
117	.name		= "WM8731",
118	.stream_name	= "WM8731 PCM",
119	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
120			  SND_SOC_DAIFMT_CBP_CFP,
121	.ops		= &db1200_i2s_wm8731_ops,
122	SND_SOC_DAILINK_REG(db1200_i2s),
123};
124
125static struct snd_soc_card db1200_i2s_machine = {
126	.name		= "DB1200_I2S",
127	.owner		= THIS_MODULE,
128	.dai_link	= &db1200_i2s_dai,
129	.num_links	= 1,
130};
131
132SND_SOC_DAILINK_DEFS(db1300_i2s,
133	DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.2")),
134	DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
135	DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.2")));
136
137static struct snd_soc_dai_link db1300_i2s_dai = {
138	.name		= "WM8731",
139	.stream_name	= "WM8731 PCM",
140	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
141			  SND_SOC_DAIFMT_CBP_CFP,
142	.ops		= &db1200_i2s_wm8731_ops,
143	SND_SOC_DAILINK_REG(db1300_i2s),
144};
145
146static struct snd_soc_card db1300_i2s_machine = {
147	.name		= "DB1300_I2S",
148	.owner		= THIS_MODULE,
149	.dai_link	= &db1300_i2s_dai,
150	.num_links	= 1,
151};
152
153SND_SOC_DAILINK_DEFS(db1550_i2s,
154	DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.3")),
155	DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
156	DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.3")));
157
158static struct snd_soc_dai_link db1550_i2s_dai = {
159	.name		= "WM8731",
160	.stream_name	= "WM8731 PCM",
161	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
162			  SND_SOC_DAIFMT_CBP_CFP,
163	.ops		= &db1200_i2s_wm8731_ops,
164	SND_SOC_DAILINK_REG(db1550_i2s),
165};
166
167static struct snd_soc_card db1550_i2s_machine = {
168	.name		= "DB1550_I2S",
169	.owner		= THIS_MODULE,
170	.dai_link	= &db1550_i2s_dai,
171	.num_links	= 1,
172};
173
174/*-------------------------  COMMON PART  ---------------------------*/
175
176static struct snd_soc_card *db1200_cards[] = {
177	&db1200_ac97_machine,
178	&db1200_i2s_machine,
179	&db1300_ac97_machine,
180	&db1300_i2s_machine,
181	&db1550_ac97_machine,
182	&db1550_i2s_machine,
183};
184
185static int db1200_audio_probe(struct platform_device *pdev)
186{
187	const struct platform_device_id *pid = platform_get_device_id(pdev);
188	struct snd_soc_card *card;
189
190	card = db1200_cards[pid->driver_data];
191	card->dev = &pdev->dev;
192	return devm_snd_soc_register_card(&pdev->dev, card);
193}
194
195static struct platform_driver db1200_audio_driver = {
196	.driver	= {
197		.name	= "db1200-ac97",
198		.pm	= &snd_soc_pm_ops,
199	},
200	.id_table	= db1200_pids,
201	.probe		= db1200_audio_probe,
202};
203
204module_platform_driver(db1200_audio_driver);
205
206MODULE_LICENSE("GPL");
207MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
208MODULE_AUTHOR("Manuel Lauss");
209