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
95 static int db1200_i2s_startup(struct snd_pcm_substream *substream)
96 {
97 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
98 struct snd_soc_dai *codec_dai = snd_soc_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
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
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.