1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/*
* DB1200/DB1300/DB1550 ASoC audio fabric support code.
*
* (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>
*
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1xxx_psc.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/mach-db1x00/bcsr.h>
#include "../codecs/wm8731.h"
#include "psc.h"
static const struct platform_device_id db1200_pids[] = {
{
.name = "db1200-ac97",
.driver_data = 0,
}, {
.name = "db1200-i2s",
.driver_data = 1,
}, {
.name = "db1300-ac97",
.driver_data = 2,
}, {
.name = "db1300-i2s",
.driver_data = 3,
}, {
.name = "db1550-ac97",
.driver_data = 4,
}, {
.name = "db1550-i2s",
.driver_data = 5,
},
{},
};
/*------------------------- AC97 PART ---------------------------*/
static struct snd_soc_dai_link db1200_ac97_dai = {
.name = "AC97",
.stream_name = "AC97 HiFi",
.codec_dai_name = "ac97-hifi",
.cpu_dai_name = "au1xpsc_ac97.1",
.platform_name = "au1xpsc-pcm.1",
.codec_name = "ac97-codec.1",
};
static struct snd_soc_card db1200_ac97_machine = {
.name = "DB1200_AC97",
.owner = THIS_MODULE,
.dai_link = &db1200_ac97_dai,
.num_links = 1,
};
static struct snd_soc_dai_link db1300_ac97_dai = {
.name = "AC97",
.stream_name = "AC97 HiFi",
.codec_dai_name = "wm9712-hifi",
.cpu_dai_name = "au1xpsc_ac97.1",
.platform_name = "au1xpsc-pcm.1",
.codec_name = "wm9712-codec.1",
};
static struct snd_soc_card db1300_ac97_machine = {
.name = "DB1300_AC97",
.owner = THIS_MODULE,
.dai_link = &db1300_ac97_dai,
.num_links = 1,
};
static struct snd_soc_card db1550_ac97_machine = {
.name = "DB1550_AC97",
.owner = THIS_MODULE,
.dai_link = &db1200_ac97_dai,
.num_links = 1,
};
/*------------------------- I2S PART ---------------------------*/
static int db1200_i2s_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
/* WM8731 has its own 12MHz crystal */
snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
12000000, SND_SOC_CLOCK_IN);
return 0;
}
static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
.startup = db1200_i2s_startup,
};
static struct snd_soc_dai_link db1200_i2s_dai = {
.name = "WM8731",
.stream_name = "WM8731 PCM",
.codec_dai_name = "wm8731-hifi",
.cpu_dai_name = "au1xpsc_i2s.1",
.platform_name = "au1xpsc-pcm.1",
.codec_name = "wm8731.0-001b",
.dai_fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBM_CFM,
.ops = &db1200_i2s_wm8731_ops,
};
static struct snd_soc_card db1200_i2s_machine = {
.name = "DB1200_I2S",
.owner = THIS_MODULE,
.dai_link = &db1200_i2s_dai,
.num_links = 1,
};
static struct snd_soc_dai_link db1300_i2s_dai = {
.name = "WM8731",
.stream_name = "WM8731 PCM",
.codec_dai_name = "wm8731-hifi",
.cpu_dai_name = "au1xpsc_i2s.2",
.platform_name = "au1xpsc-pcm.2",
.codec_name = "wm8731.0-001b",
.dai_fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBM_CFM,
.ops = &db1200_i2s_wm8731_ops,
};
static struct snd_soc_card db1300_i2s_machine = {
.name = "DB1300_I2S",
.owner = THIS_MODULE,
.dai_link = &db1300_i2s_dai,
.num_links = 1,
};
static struct snd_soc_dai_link db1550_i2s_dai = {
.name = "WM8731",
.stream_name = "WM8731 PCM",
.codec_dai_name = "wm8731-hifi",
.cpu_dai_name = "au1xpsc_i2s.3",
.platform_name = "au1xpsc-pcm.3",
.codec_name = "wm8731.0-001b",
.dai_fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBM_CFM,
.ops = &db1200_i2s_wm8731_ops,
};
static struct snd_soc_card db1550_i2s_machine = {
.name = "DB1550_I2S",
.owner = THIS_MODULE,
.dai_link = &db1550_i2s_dai,
.num_links = 1,
};
/*------------------------- COMMON PART ---------------------------*/
static struct snd_soc_card *db1200_cards[] = {
&db1200_ac97_machine,
&db1200_i2s_machine,
&db1300_ac97_machine,
&db1300_i2s_machine,
&db1550_ac97_machine,
&db1550_i2s_machine,
};
static int db1200_audio_probe(struct platform_device *pdev)
{
const struct platform_device_id *pid = platform_get_device_id(pdev);
struct snd_soc_card *card;
card = db1200_cards[pid->driver_data];
card->dev = &pdev->dev;
return devm_snd_soc_register_card(&pdev->dev, card);
}
static struct platform_driver db1200_audio_driver = {
.driver = {
.name = "db1200-ac97",
.pm = &snd_soc_pm_ops,
},
.id_table = db1200_pids,
.probe = db1200_audio_probe,
};
module_platform_driver(db1200_audio_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
MODULE_AUTHOR("Manuel Lauss");
|
