1 files changed, 134 insertions, 0 deletions
diff --git a/sound/soc/cirrus/snappercl15.c b/sound/soc/cirrus/snappercl15.c
new file mode 100644
index 000000000..c4b112921
--- /dev/null
+++ b/sound/soc/cirrus/snappercl15.c
@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * snappercl15.c -- SoC audio for Bluewater Systems Snapper CL15 module
+ *
+ * Copyright (C) 2008 Bluewater Systems Ltd
+ * Author: Ryan Mallon
+ */
+
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/soc/cirrus/ep93xx.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include <asm/mach-types.h>
+
+#include "../codecs/tlv320aic23.h"
+
+#define CODEC_CLOCK 5644800
+
+static int snappercl15_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);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	int err;
+
+	err = snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, 
+				     SND_SOC_CLOCK_IN);
+	if (err)
+		return err;
+
+	err = snd_soc_dai_set_sysclk(cpu_dai, 0, CODEC_CLOCK, 
+				     SND_SOC_CLOCK_OUT);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static const struct snd_soc_ops snappercl15_ops = {
+	.hw_params	= snappercl15_hw_params,
+};
+
+static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone Jack", NULL),
+	SND_SOC_DAPM_LINE("Line In", NULL),
+	SND_SOC_DAPM_MIC("Mic Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+	{"Headphone Jack", NULL, "LHPOUT"},
+	{"Headphone Jack", NULL, "RHPOUT"},
+
+	{"LLINEIN", NULL, "Line In"},
+	{"RLINEIN", NULL, "Line In"},
+
+	{"MICIN", NULL, "Mic Jack"},
+};
+
+SND_SOC_DAILINK_DEFS(aic23,
+	DAILINK_COMP_ARRAY(COMP_CPU("ep93xx-i2s")),
+	DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic23-codec.0-001a",
+				      "tlv320aic23-hifi")),
+	DAILINK_COMP_ARRAY(COMP_PLATFORM("ep93xx-i2s")));
+
+static struct snd_soc_dai_link snappercl15_dai = {
+	.name		= "tlv320aic23",
+	.stream_name	= "AIC23",
+	.dai_fmt	= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+			  SND_SOC_DAIFMT_CBS_CFS,
+	.ops		= &snappercl15_ops,
+	SND_SOC_DAILINK_REG(aic23),
+};
+
+static struct snd_soc_card snd_soc_snappercl15 = {
+	.name		= "Snapper CL15",
+	.owner		= THIS_MODULE,
+	.dai_link	= &snappercl15_dai,
+	.num_links	= 1,
+
+	.dapm_widgets		= tlv320aic23_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(tlv320aic23_dapm_widgets),
+	.dapm_routes		= audio_map,
+	.num_dapm_routes	= ARRAY_SIZE(audio_map),
+};
+
+static int snappercl15_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = &snd_soc_snappercl15;
+	int ret;
+
+	ret = ep93xx_i2s_acquire();
+	if (ret)
+		return 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);
+		ep93xx_i2s_release();
+	}
+
+	return ret;
+}
+
+static int snappercl15_remove(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+	snd_soc_unregister_card(card);
+	ep93xx_i2s_release();
+
+	return 0;
+}
+
+static struct platform_driver snappercl15_driver = {
+	.driver		= {
+		.name	= "snappercl15-audio",
+	},
+	.probe		= snappercl15_probe,
+	.remove		= snappercl15_remove,
+};
+
+module_platform_driver(snappercl15_driver);
+
+MODULE_AUTHOR("Ryan Mallon");
+MODULE_DESCRIPTION("ALSA SoC Snapper CL15");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:snappercl15-audio");