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12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <linux/interrupt.h>
15#include <linux/platform_device.h>
16#include <linux/slab.h>
17#include <sound/soc.h>
18#include <linux/platform_data/asoc-kirkwood.h>
19#include "../codecs/alc5623.h"
20
21static int t5325_hw_params(struct snd_pcm_substream *substream,
22 struct snd_pcm_hw_params *params)
23{
24 struct snd_soc_pcm_runtime *rtd = substream->private_data;
25 struct snd_soc_dai *codec_dai = rtd->codec_dai;
26 unsigned int freq;
27
28 freq = params_rate(params) * 256;
29
30 return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
31
32}
33
34static struct snd_soc_ops t5325_ops = {
35 .hw_params = t5325_hw_params,
36};
37
38static const struct snd_soc_dapm_widget t5325_dapm_widgets[] = {
39 SND_SOC_DAPM_HP("Headphone Jack", NULL),
40 SND_SOC_DAPM_SPK("Speaker", NULL),
41 SND_SOC_DAPM_MIC("Mic Jack", NULL),
42};
43
44static const struct snd_soc_dapm_route t5325_route[] = {
45 { "Headphone Jack", NULL, "HPL" },
46 { "Headphone Jack", NULL, "HPR" },
47
48 {"Speaker", NULL, "SPKOUT"},
49 {"Speaker", NULL, "SPKOUTN"},
50
51 { "MIC1", NULL, "Mic Jack" },
52 { "MIC2", NULL, "Mic Jack" },
53};
54
55static int t5325_dai_init(struct snd_soc_pcm_runtime *rtd)
56{
57 struct snd_soc_codec *codec = rtd->codec;
58 struct snd_soc_dapm_context *dapm = &codec->dapm;
59
60 snd_soc_dapm_enable_pin(dapm, "Mic Jack");
61 snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
62 snd_soc_dapm_enable_pin(dapm, "Speaker");
63
64 return 0;
65}
66
67static struct snd_soc_dai_link t5325_dai[] = {
68{
69 .name = "ALC5621",
70 .stream_name = "ALC5621 HiFi",
71 .cpu_dai_name = "i2s",
72 .platform_name = "mvebu-audio",
73 .codec_dai_name = "alc5621-hifi",
74 .codec_name = "alc562x-codec.0-001a",
75 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
76 .ops = &t5325_ops,
77 .init = t5325_dai_init,
78},
79};
80
81static struct snd_soc_card t5325 = {
82 .name = "t5325",
83 .owner = THIS_MODULE,
84 .dai_link = t5325_dai,
85 .num_links = ARRAY_SIZE(t5325_dai),
86
87 .dapm_widgets = t5325_dapm_widgets,
88 .num_dapm_widgets = ARRAY_SIZE(t5325_dapm_widgets),
89 .dapm_routes = t5325_route,
90 .num_dapm_routes = ARRAY_SIZE(t5325_route),
91};
92
93static int t5325_probe(struct platform_device *pdev)
94{
95 struct snd_soc_card *card = &t5325;
96 int ret;
97
98 card->dev = &pdev->dev;
99
100 ret = snd_soc_register_card(card);
101 if (ret)
102 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
103 ret);
104 return ret;
105}
106
107static int t5325_remove(struct platform_device *pdev)
108{
109 struct snd_soc_card *card = platform_get_drvdata(pdev);
110
111 snd_soc_unregister_card(card);
112 return 0;
113}
114
115static struct platform_driver t5325_driver = {
116 .driver = {
117 .name = "t5325-audio",
118 .owner = THIS_MODULE,
119 },
120 .probe = t5325_probe,
121 .remove = t5325_remove,
122};
123
124module_platform_driver(t5325_driver);
125
126MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
127MODULE_DESCRIPTION("ALSA SoC t5325 audio client");
128MODULE_LICENSE("GPL");
129MODULE_ALIAS("platform:t5325-audio");
130
