Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
[linux-2.6-block.git] / sound / soc / au1x / db1200.c
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05ae3231 1/*
f869d42e 2 * DB1200/DB1300/DB1550 ASoC audio fabric support code.
05ae3231 3 *
adbc7a5a 4 * (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>
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5 *
6 */
7
8#include <linux/module.h>
9#include <linux/moduleparam.h>
10#include <linux/timer.h>
11#include <linux/interrupt.h>
12#include <linux/platform_device.h>
13#include <sound/core.h>
14#include <sound/pcm.h>
15#include <sound/soc.h>
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16#include <asm/mach-au1x00/au1000.h>
17#include <asm/mach-au1x00/au1xxx_psc.h>
18#include <asm/mach-au1x00/au1xxx_dbdma.h>
19#include <asm/mach-db1x00/bcsr.h>
20
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21#include "../codecs/wm8731.h"
22#include "psc.h"
23
6c219192 24static const struct platform_device_id db1200_pids[] = {
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25 {
26 .name = "db1200-ac97",
27 .driver_data = 0,
28 }, {
29 .name = "db1200-i2s",
30 .driver_data = 1,
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31 }, {
32 .name = "db1300-ac97",
33 .driver_data = 2,
34 }, {
35 .name = "db1300-i2s",
36 .driver_data = 3,
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37 }, {
38 .name = "db1550-ac97",
39 .driver_data = 4,
40 }, {
41 .name = "db1550-i2s",
42 .driver_data = 5,
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43 },
44 {},
45};
46
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47/*------------------------- AC97 PART ---------------------------*/
48
49static struct snd_soc_dai_link db1200_ac97_dai = {
50 .name = "AC97",
51 .stream_name = "AC97 HiFi",
f0fba2ad 52 .codec_dai_name = "ac97-hifi",
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53 .cpu_dai_name = "au1xpsc_ac97.1",
54 .platform_name = "au1xpsc-pcm.1",
55 .codec_name = "ac97-codec.1",
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56};
57
58static struct snd_soc_card db1200_ac97_machine = {
59 .name = "DB1200_AC97",
662d4e5c 60 .owner = THIS_MODULE,
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61 .dai_link = &db1200_ac97_dai,
62 .num_links = 1,
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63};
64
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65static struct snd_soc_dai_link db1300_ac97_dai = {
66 .name = "AC97",
67 .stream_name = "AC97 HiFi",
68 .codec_dai_name = "wm9712-hifi",
69 .cpu_dai_name = "au1xpsc_ac97.1",
70 .platform_name = "au1xpsc-pcm.1",
71 .codec_name = "wm9712-codec.1",
72};
73
74static struct snd_soc_card db1300_ac97_machine = {
75 .name = "DB1300_AC97",
35261edc 76 .owner = THIS_MODULE,
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77 .dai_link = &db1300_ac97_dai,
78 .num_links = 1,
79};
80
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81static struct snd_soc_card db1550_ac97_machine = {
82 .name = "DB1550_AC97",
35261edc 83 .owner = THIS_MODULE,
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84 .dai_link = &db1200_ac97_dai,
85 .num_links = 1,
86};
87
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88/*------------------------- I2S PART ---------------------------*/
89
90static int db1200_i2s_startup(struct snd_pcm_substream *substream)
91{
92 struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad 93 struct snd_soc_dai *codec_dai = rtd->codec_dai;
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94
95 /* WM8731 has its own 12MHz crystal */
9745e824 96 snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
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97 12000000, SND_SOC_CLOCK_IN);
98
b4508d0f 99 return 0;
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100}
101
052fba77 102static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
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103 .startup = db1200_i2s_startup,
104};
105
106static struct snd_soc_dai_link db1200_i2s_dai = {
107 .name = "WM8731",
108 .stream_name = "WM8731 PCM",
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109 .codec_dai_name = "wm8731-hifi",
110 .cpu_dai_name = "au1xpsc_i2s.1",
111 .platform_name = "au1xpsc-pcm.1",
99b59f3c 112 .codec_name = "wm8731.0-001b",
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113 .dai_fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
114 SND_SOC_DAIFMT_CBM_CFM,
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115 .ops = &db1200_i2s_wm8731_ops,
116};
117
118static struct snd_soc_card db1200_i2s_machine = {
119 .name = "DB1200_I2S",
662d4e5c 120 .owner = THIS_MODULE,
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121 .dai_link = &db1200_i2s_dai,
122 .num_links = 1,
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123};
124
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125static struct snd_soc_dai_link db1300_i2s_dai = {
126 .name = "WM8731",
127 .stream_name = "WM8731 PCM",
128 .codec_dai_name = "wm8731-hifi",
129 .cpu_dai_name = "au1xpsc_i2s.2",
130 .platform_name = "au1xpsc-pcm.2",
131 .codec_name = "wm8731.0-001b",
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132 .dai_fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
133 SND_SOC_DAIFMT_CBM_CFM,
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134 .ops = &db1200_i2s_wm8731_ops,
135};
136
137static struct snd_soc_card db1300_i2s_machine = {
138 .name = "DB1300_I2S",
35261edc 139 .owner = THIS_MODULE,
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140 .dai_link = &db1300_i2s_dai,
141 .num_links = 1,
142};
143
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144static struct snd_soc_dai_link db1550_i2s_dai = {
145 .name = "WM8731",
146 .stream_name = "WM8731 PCM",
147 .codec_dai_name = "wm8731-hifi",
148 .cpu_dai_name = "au1xpsc_i2s.3",
149 .platform_name = "au1xpsc-pcm.3",
150 .codec_name = "wm8731.0-001b",
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151 .dai_fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
152 SND_SOC_DAIFMT_CBM_CFM,
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153 .ops = &db1200_i2s_wm8731_ops,
154};
155
156static struct snd_soc_card db1550_i2s_machine = {
157 .name = "DB1550_I2S",
35261edc 158 .owner = THIS_MODULE,
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159 .dai_link = &db1550_i2s_dai,
160 .num_links = 1,
161};
162
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163/*------------------------- COMMON PART ---------------------------*/
164
5c658be0 165static struct snd_soc_card *db1200_cards[] = {
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166 &db1200_ac97_machine,
167 &db1200_i2s_machine,
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168 &db1300_ac97_machine,
169 &db1300_i2s_machine,
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170 &db1550_ac97_machine,
171 &db1550_i2s_machine,
adbc7a5a 172};
05ae3231 173
5c658be0 174static int db1200_audio_probe(struct platform_device *pdev)
05ae3231 175{
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176 const struct platform_device_id *pid = platform_get_device_id(pdev);
177 struct snd_soc_card *card;
05ae3231 178
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179 card = db1200_cards[pid->driver_data];
180 card->dev = &pdev->dev;
2342cafe 181 return devm_snd_soc_register_card(&pdev->dev, card);
adbc7a5a 182}
05ae3231 183
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184static struct platform_driver db1200_audio_driver = {
185 .driver = {
186 .name = "db1200-ac97",
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187 .pm = &snd_soc_pm_ops,
188 },
189 .id_table = db1200_pids,
190 .probe = db1200_audio_probe,
adbc7a5a 191};
05ae3231 192
8a124f9c 193module_platform_driver(db1200_audio_driver);
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194
195MODULE_LICENSE("GPL");
f869d42e 196MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
05ae3231 197MODULE_AUTHOR("Manuel Lauss");