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Diffstat (limited to 'sound/soc/samsung/speyside.c')
-rw-r--r--sound/soc/samsung/speyside.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/sound/soc/samsung/speyside.c b/sound/soc/samsung/speyside.c
new file mode 100644
index 000000000000..f6dcee7b218b
--- /dev/null
+++ b/sound/soc/samsung/speyside.c
@@ -0,0 +1,123 @@
+/*
+ * Speyside audio support
+ *
+ * Copyright 2011 Wolfson Microelectronics
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include "../codecs/wm8915.h"
+
+static int speyside_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
+ | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S
+ | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_pll(codec_dai, 0, WM8915_FLL_MCLK1,
+ 32768, 256 * 48000);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8915_SYSCLK_FLL,
+ 256 * 48000, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static struct snd_soc_ops speyside_ops = {
+ .hw_params = speyside_hw_params,
+};
+
+static struct snd_soc_dai_link speyside_dai[] = {
+ {
+ .name = "CPU",
+ .stream_name = "CPU",
+ .cpu_dai_name = "samsung-i2s.0",
+ .codec_dai_name = "wm8915-aif1",
+ .platform_name = "samsung-audio",
+ .codec_name = "wm8915.1-001a",
+ .ops = &speyside_ops,
+ },
+};
+
+static struct snd_soc_card speyside = {
+ .name = "Speyside",
+ .dai_link = speyside_dai,
+ .num_links = ARRAY_SIZE(speyside_dai),
+};
+
+static __devinit int speyside_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &speyside;
+ int ret;
+
+ card->dev = &pdev->dev;
+
+ ret = snd_soc_register_card(card);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int __devexit speyside_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_card(card);
+
+ return 0;
+}
+
+static struct platform_driver speyside_driver = {
+ .driver = {
+ .name = "speyside",
+ .owner = THIS_MODULE,
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = speyside_probe,
+ .remove = __devexit_p(speyside_remove),
+};
+
+static int __init speyside_audio_init(void)
+{
+ return platform_driver_register(&speyside_driver);
+}
+module_init(speyside_audio_init);
+
+static void __exit speyside_audio_exit(void)
+{
+ platform_driver_unregister(&speyside_driver);
+}
+module_exit(speyside_audio_exit);
+
+MODULE_DESCRIPTION("Speyside audio support");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:speyside");