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 = snd_soc_substream_to_rtd(substream);
99 struct snd_soc_dai *codec_dai = snd_soc_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
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