4 * (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
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"
21 static int t5325_hw_params(struct snd_pcm_substream *substream,
22 struct snd_pcm_hw_params *params)
24 struct snd_soc_pcm_runtime *rtd = substream->private_data;
25 struct snd_soc_dai *codec_dai = rtd->codec_dai;
28 freq = params_rate(params) * 256;
30 return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
34 static struct snd_soc_ops t5325_ops = {
35 .hw_params = t5325_hw_params,
38 static 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),
44 static const struct snd_soc_dapm_route t5325_route[] = {
45 { "Headphone Jack", NULL, "HPL" },
46 { "Headphone Jack", NULL, "HPR" },
48 {"Speaker", NULL, "SPKOUT"},
49 {"Speaker", NULL, "SPKOUTN"},
51 { "MIC1", NULL, "Mic Jack" },
52 { "MIC2", NULL, "Mic Jack" },
55 static struct snd_soc_dai_link t5325_dai[] = {
58 .stream_name = "ALC5621 HiFi",
59 .cpu_dai_name = "i2s",
60 .platform_name = "mvebu-audio",
61 .codec_dai_name = "alc5621-hifi",
62 .codec_name = "alc562x-codec.0-001a",
63 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
68 static struct snd_soc_card t5325 = {
71 .dai_link = t5325_dai,
72 .num_links = ARRAY_SIZE(t5325_dai),
74 .dapm_widgets = t5325_dapm_widgets,
75 .num_dapm_widgets = ARRAY_SIZE(t5325_dapm_widgets),
76 .dapm_routes = t5325_route,
77 .num_dapm_routes = ARRAY_SIZE(t5325_route),
80 static int t5325_probe(struct platform_device *pdev)
82 struct snd_soc_card *card = &t5325;
85 card->dev = &pdev->dev;
87 ret = snd_soc_register_card(card);
89 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
94 static int t5325_remove(struct platform_device *pdev)
96 struct snd_soc_card *card = platform_get_drvdata(pdev);
98 snd_soc_unregister_card(card);
102 static struct platform_driver t5325_driver = {
104 .name = "t5325-audio",
105 .owner = THIS_MODULE,
107 .probe = t5325_probe,
108 .remove = t5325_remove,
111 module_platform_driver(t5325_driver);
113 MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
114 MODULE_DESCRIPTION("ALSA SoC t5325 audio client");
115 MODULE_LICENSE("GPL");
116 MODULE_ALIAS("platform:t5325-audio");