summaryrefslogtreecommitdiffstats
path: root/sound/soc/kirkwood/armada-370-db.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/kirkwood/armada-370-db.c')
-rw-r--r--sound/soc/kirkwood/armada-370-db.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/sound/soc/kirkwood/armada-370-db.c b/sound/soc/kirkwood/armada-370-db.c
new file mode 100644
index 0000000000..81326426da
--- /dev/null
+++ b/sound/soc/kirkwood/armada-370-db.c
@@ -0,0 +1,156 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2014 Marvell
+ *
+ * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <sound/soc.h>
+#include <linux/of.h>
+#include <linux/platform_data/asoc-kirkwood.h>
+#include "../codecs/cs42l51.h"
+
+static int a370db_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ unsigned int freq;
+
+ switch (params_rate(params)) {
+ default:
+ case 44100:
+ freq = 11289600;
+ break;
+ case 48000:
+ freq = 12288000;
+ break;
+ case 96000:
+ freq = 24576000;
+ break;
+ }
+
+ return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
+}
+
+static const struct snd_soc_ops a370db_ops = {
+ .hw_params = a370db_hw_params,
+};
+
+static const struct snd_soc_dapm_widget a370db_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Out Jack", NULL),
+ SND_SOC_DAPM_LINE("In Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route a370db_route[] = {
+ { "Out Jack", NULL, "HPL" },
+ { "Out Jack", NULL, "HPR" },
+ { "AIN1L", NULL, "In Jack" },
+ { "AIN1L", NULL, "In Jack" },
+};
+
+SND_SOC_DAILINK_DEFS(analog,
+ DAILINK_COMP_ARRAY(COMP_CPU("i2s")),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "cs42l51-hifi")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(spdif_out,
+ DAILINK_COMP_ARRAY(COMP_CPU("spdif")),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dit-hifi")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(spdif_in,
+ DAILINK_COMP_ARRAY(COMP_CPU("spdif")),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dir-hifi")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+static struct snd_soc_dai_link a370db_dai[] = {
+{
+ .name = "CS42L51",
+ .stream_name = "analog",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+ .ops = &a370db_ops,
+ SND_SOC_DAILINK_REG(analog),
+},
+{
+ .name = "S/PDIF out",
+ .stream_name = "spdif-out",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+ SND_SOC_DAILINK_REG(spdif_out),
+},
+{
+ .name = "S/PDIF in",
+ .stream_name = "spdif-in",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+ SND_SOC_DAILINK_REG(spdif_in),
+},
+};
+
+static struct snd_soc_card a370db = {
+ .name = "a370db",
+ .owner = THIS_MODULE,
+ .dai_link = a370db_dai,
+ .num_links = ARRAY_SIZE(a370db_dai),
+ .dapm_widgets = a370db_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(a370db_dapm_widgets),
+ .dapm_routes = a370db_route,
+ .num_dapm_routes = ARRAY_SIZE(a370db_route),
+};
+
+static int a370db_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &a370db;
+
+ card->dev = &pdev->dev;
+
+ a370db_dai[0].cpus->of_node =
+ of_parse_phandle(pdev->dev.of_node,
+ "marvell,audio-controller", 0);
+ a370db_dai[0].platforms->of_node = a370db_dai[0].cpus->of_node;
+
+ a370db_dai[0].codecs->of_node =
+ of_parse_phandle(pdev->dev.of_node,
+ "marvell,audio-codec", 0);
+
+ a370db_dai[1].cpus->of_node = a370db_dai[0].cpus->of_node;
+ a370db_dai[1].platforms->of_node = a370db_dai[0].cpus->of_node;
+
+ a370db_dai[1].codecs->of_node =
+ of_parse_phandle(pdev->dev.of_node,
+ "marvell,audio-codec", 1);
+
+ a370db_dai[2].cpus->of_node = a370db_dai[0].cpus->of_node;
+ a370db_dai[2].platforms->of_node = a370db_dai[0].cpus->of_node;
+
+ a370db_dai[2].codecs->of_node =
+ of_parse_phandle(pdev->dev.of_node,
+ "marvell,audio-codec", 2);
+
+ return devm_snd_soc_register_card(card->dev, card);
+}
+
+static const struct of_device_id a370db_dt_ids[] __maybe_unused = {
+ { .compatible = "marvell,a370db-audio" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, a370db_dt_ids);
+
+static struct platform_driver a370db_driver = {
+ .driver = {
+ .name = "a370db-audio",
+ .of_match_table = of_match_ptr(a370db_dt_ids),
+ },
+ .probe = a370db_probe,
+};
+
+module_platform_driver(a370db_driver);
+
+MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>");
+MODULE_DESCRIPTION("ALSA SoC a370db audio client");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:a370db-audio");