xref: /openbmc/linux/sound/soc/au1x/db1200.c (revision 6fa24b41)
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 
25 static 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 MODULE_DEVICE_TABLE(platform, db1200_pids);
48 
49 /*-------------------------  AC97 PART  ---------------------------*/
50 
51 SND_SOC_DAILINK_DEFS(db1200_ac97,
52 	DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
53 	DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec.1", "ac97-hifi")),
54 	DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
55 
56 static struct snd_soc_dai_link db1200_ac97_dai = {
57 	.name		= "AC97",
58 	.stream_name	= "AC97 HiFi",
59 	SND_SOC_DAILINK_REG(db1200_ac97),
60 };
61 
62 static struct snd_soc_card db1200_ac97_machine = {
63 	.name		= "DB1200_AC97",
64 	.owner		= THIS_MODULE,
65 	.dai_link	= &db1200_ac97_dai,
66 	.num_links	= 1,
67 };
68 
69 SND_SOC_DAILINK_DEFS(db1300_ac97,
70 	DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
71 	DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec.1", "wm9712-hifi")),
72 	DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
73 
74 static struct snd_soc_dai_link db1300_ac97_dai = {
75 	.name		= "AC97",
76 	.stream_name	= "AC97 HiFi",
77 	SND_SOC_DAILINK_REG(db1300_ac97),
78 };
79 
80 static struct snd_soc_card db1300_ac97_machine = {
81 	.name		= "DB1300_AC97",
82 	.owner		= THIS_MODULE,
83 	.dai_link	= &db1300_ac97_dai,
84 	.num_links	= 1,
85 };
86 
87 static struct snd_soc_card db1550_ac97_machine = {
88 	.name		= "DB1550_AC97",
89 	.owner		= THIS_MODULE,
90 	.dai_link	= &db1200_ac97_dai,
91 	.num_links	= 1,
92 };
93 
94 /*-------------------------  I2S PART  ---------------------------*/
95 
96 static int db1200_i2s_startup(struct snd_pcm_substream *substream)
97 {
98 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
99 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
100 
101 	/* WM8731 has its own 12MHz crystal */
102 	snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
103 				12000000, SND_SOC_CLOCK_IN);
104 
105 	return 0;
106 }
107 
108 static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
109 	.startup	= db1200_i2s_startup,
110 };
111 
112 SND_SOC_DAILINK_DEFS(db1200_i2s,
113 	DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.1")),
114 	DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
115 	DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
116 
117 static struct snd_soc_dai_link db1200_i2s_dai = {
118 	.name		= "WM8731",
119 	.stream_name	= "WM8731 PCM",
120 	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
121 			  SND_SOC_DAIFMT_CBP_CFP,
122 	.ops		= &db1200_i2s_wm8731_ops,
123 	SND_SOC_DAILINK_REG(db1200_i2s),
124 };
125 
126 static struct snd_soc_card db1200_i2s_machine = {
127 	.name		= "DB1200_I2S",
128 	.owner		= THIS_MODULE,
129 	.dai_link	= &db1200_i2s_dai,
130 	.num_links	= 1,
131 };
132 
133 SND_SOC_DAILINK_DEFS(db1300_i2s,
134 	DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.2")),
135 	DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
136 	DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.2")));
137 
138 static struct snd_soc_dai_link db1300_i2s_dai = {
139 	.name		= "WM8731",
140 	.stream_name	= "WM8731 PCM",
141 	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
142 			  SND_SOC_DAIFMT_CBP_CFP,
143 	.ops		= &db1200_i2s_wm8731_ops,
144 	SND_SOC_DAILINK_REG(db1300_i2s),
145 };
146 
147 static struct snd_soc_card db1300_i2s_machine = {
148 	.name		= "DB1300_I2S",
149 	.owner		= THIS_MODULE,
150 	.dai_link	= &db1300_i2s_dai,
151 	.num_links	= 1,
152 };
153 
154 SND_SOC_DAILINK_DEFS(db1550_i2s,
155 	DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.3")),
156 	DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
157 	DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.3")));
158 
159 static struct snd_soc_dai_link db1550_i2s_dai = {
160 	.name		= "WM8731",
161 	.stream_name	= "WM8731 PCM",
162 	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
163 			  SND_SOC_DAIFMT_CBP_CFP,
164 	.ops		= &db1200_i2s_wm8731_ops,
165 	SND_SOC_DAILINK_REG(db1550_i2s),
166 };
167 
168 static struct snd_soc_card db1550_i2s_machine = {
169 	.name		= "DB1550_I2S",
170 	.owner		= THIS_MODULE,
171 	.dai_link	= &db1550_i2s_dai,
172 	.num_links	= 1,
173 };
174 
175 /*-------------------------  COMMON PART  ---------------------------*/
176 
177 static struct snd_soc_card *db1200_cards[] = {
178 	&db1200_ac97_machine,
179 	&db1200_i2s_machine,
180 	&db1300_ac97_machine,
181 	&db1300_i2s_machine,
182 	&db1550_ac97_machine,
183 	&db1550_i2s_machine,
184 };
185 
186 static int db1200_audio_probe(struct platform_device *pdev)
187 {
188 	const struct platform_device_id *pid = platform_get_device_id(pdev);
189 	struct snd_soc_card *card;
190 
191 	card = db1200_cards[pid->driver_data];
192 	card->dev = &pdev->dev;
193 	return devm_snd_soc_register_card(&pdev->dev, card);
194 }
195 
196 static struct platform_driver db1200_audio_driver = {
197 	.driver	= {
198 		.name	= "db1200-ac97",
199 		.pm	= &snd_soc_pm_ops,
200 	},
201 	.id_table	= db1200_pids,
202 	.probe		= db1200_audio_probe,
203 };
204 
205 module_platform_driver(db1200_audio_driver);
206 
207 MODULE_LICENSE("GPL");
208 MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
209 MODULE_AUTHOR("Manuel Lauss");
210