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 = 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(dai: codec_dai, WM8731_SYSCLK_XTAL,
102 freq: 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(dev: &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

source code of linux/sound/soc/au1x/db1200.c