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 
48 /*-------------------------  AC97 PART  ---------------------------*/
49 
50 SND_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 
55 static 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 
61 static 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 
68 SND_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 
73 static 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 
79 static 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 
86 static 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 
db1200_i2s_startup(struct snd_pcm_substream * substream)95 static 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 
107 static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
108 	.startup	= db1200_i2s_startup,
109 };
110 
111 SND_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 
116 static 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 
125 static 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 
132 SND_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 
137 static 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 
146 static 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 
153 SND_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 
158 static 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 
167 static 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 
176 static 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 
db1200_audio_probe(struct platform_device * pdev)185 static 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 
195 static 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 
204 module_platform_driver(db1200_audio_driver);
205 
206 MODULE_LICENSE("GPL");
207 MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
208 MODULE_AUTHOR("Manuel Lauss");
209