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-rw-r--r--kernel/sound/soc/blackfin/bfin-eval-adau1701.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/kernel/sound/soc/blackfin/bfin-eval-adau1701.c b/kernel/sound/soc/blackfin/bfin-eval-adau1701.c
new file mode 100644
index 000000000..f9e926dfd
--- /dev/null
+++ b/kernel/sound/soc/blackfin/bfin-eval-adau1701.c
@@ -0,0 +1,123 @@
+/*
+ * Machine driver for EVAL-ADAU1701MINIZ on Analog Devices bfin
+ * evaluation boards.
+ *
+ * Copyright 2011 Analog Devices Inc.
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+#include "../codecs/adau1701.h"
+
+static const struct snd_soc_dapm_widget bfin_eval_adau1701_dapm_widgets[] = {
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_LINE("Line Out", NULL),
+ SND_SOC_DAPM_LINE("Line In", NULL),
+};
+
+static const struct snd_soc_dapm_route bfin_eval_adau1701_dapm_routes[] = {
+ { "Speaker", NULL, "OUT0" },
+ { "Speaker", NULL, "OUT1" },
+ { "Line Out", NULL, "OUT2" },
+ { "Line Out", NULL, "OUT3" },
+
+ { "IN0", NULL, "Line In" },
+ { "IN1", NULL, "Line In" },
+};
+
+static int bfin_eval_adau1701_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 *codec_dai = rtd->codec_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1701_CLK_SRC_OSC, 12288000,
+ SND_SOC_CLOCK_IN);
+
+ return ret;
+}
+
+static struct snd_soc_ops bfin_eval_adau1701_ops = {
+ .hw_params = bfin_eval_adau1701_hw_params,
+};
+
+#define BFIN_EVAL_ADAU1701_DAI_FMT (SND_SOC_DAIFMT_I2S | \
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM)
+
+static struct snd_soc_dai_link bfin_eval_adau1701_dai[] = {
+ {
+ .name = "adau1701",
+ .stream_name = "adau1701",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name = "adau1701",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "adau1701.0-0034",
+ .ops = &bfin_eval_adau1701_ops,
+ .dai_fmt = BFIN_EVAL_ADAU1701_DAI_FMT,
+ },
+ {
+ .name = "adau1701",
+ .stream_name = "adau1701",
+ .cpu_dai_name = "bfin-i2s.1",
+ .codec_dai_name = "adau1701",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "adau1701.0-0034",
+ .ops = &bfin_eval_adau1701_ops,
+ .dai_fmt = BFIN_EVAL_ADAU1701_DAI_FMT,
+ },
+};
+
+static struct snd_soc_card bfin_eval_adau1701 = {
+ .name = "bfin-eval-adau1701",
+ .owner = THIS_MODULE,
+ .dai_link = &bfin_eval_adau1701_dai[CONFIG_SND_BF5XX_SPORT_NUM],
+ .num_links = 1,
+
+ .dapm_widgets = bfin_eval_adau1701_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1701_dapm_widgets),
+ .dapm_routes = bfin_eval_adau1701_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1701_dapm_routes),
+};
+
+static int bfin_eval_adau1701_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &bfin_eval_adau1701;
+
+ card->dev = &pdev->dev;
+
+ return snd_soc_register_card(&bfin_eval_adau1701);
+}
+
+static int bfin_eval_adau1701_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 bfin_eval_adau1701_driver = {
+ .driver = {
+ .name = "bfin-eval-adau1701",
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = bfin_eval_adau1701_probe,
+ .remove = bfin_eval_adau1701_remove,
+};
+
+module_platform_driver(bfin_eval_adau1701_driver);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ALSA SoC bfin ADAU1701 driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:bfin-eval-adau1701");