[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/soc/generic/simple-scu-card.c b/src/kernel/linux/v4.14/sound/soc/generic/simple-scu-card.c
new file mode 100644
index 0000000..48606c6
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/soc/generic/simple-scu-card.c
@@ -0,0 +1,315 @@
+/*
+ * ASoC simple SCU sound card support
+ *
+ * Copyright (C) 2015 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * based on ${LINUX}/sound/soc/generic/simple-card.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/string.h>
+#include <sound/jack.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+#include <sound/simple_card_utils.h>
+
+struct simple_card_data {
+ struct snd_soc_card snd_card;
+ struct snd_soc_codec_conf codec_conf;
+ struct asoc_simple_dai *dai_props;
+ struct snd_soc_dai_link *dai_link;
+ struct asoc_simple_card_data adata;
+};
+
+#define simple_priv_to_card(priv) (&(priv)->snd_card)
+#define simple_priv_to_props(priv, i) ((priv)->dai_props + (i))
+#define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev)
+#define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i))
+
+#define DAI "sound-dai"
+#define CELL "#sound-dai-cells"
+#define PREFIX "simple-audio-card,"
+
+static int asoc_simple_card_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
+ struct asoc_simple_dai *dai_props =
+ simple_priv_to_props(priv, rtd->num);
+
+ return asoc_simple_card_clk_enable(dai_props);
+}
+
+static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
+ struct asoc_simple_dai *dai_props =
+ simple_priv_to_props(priv, rtd->num);
+
+ asoc_simple_card_clk_disable(dai_props);
+}
+
+static const struct snd_soc_ops asoc_simple_card_ops = {
+ .startup = asoc_simple_card_startup,
+ .shutdown = asoc_simple_card_shutdown,
+};
+
+static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *dai;
+ struct snd_soc_dai_link *dai_link;
+ struct asoc_simple_dai *dai_props;
+ int num = rtd->num;
+
+ dai_link = simple_priv_to_link(priv, num);
+ dai_props = simple_priv_to_props(priv, num);
+ dai = dai_link->dynamic ?
+ rtd->cpu_dai :
+ rtd->codec_dai;
+
+ return asoc_simple_card_init_dai(dai, dai_props);
+}
+
+static int asoc_simple_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params)
+{
+ struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
+
+ asoc_simple_card_convert_fixup(&priv->adata, params);
+
+ return 0;
+}
+
+static int asoc_simple_card_dai_link_of(struct device_node *np,
+ struct simple_card_data *priv,
+ unsigned int daifmt,
+ int idx, bool is_fe)
+{
+ struct device *dev = simple_priv_to_dev(priv);
+ struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx);
+ struct asoc_simple_dai *dai_props = simple_priv_to_props(priv, idx);
+ struct snd_soc_card *card = simple_priv_to_card(priv);
+ int ret;
+
+ if (is_fe) {
+ int is_single_links = 0;
+
+ /* BE is dummy */
+ dai_link->codec_of_node = NULL;
+ dai_link->codec_dai_name = "snd-soc-dummy-dai";
+ dai_link->codec_name = "snd-soc-dummy";
+
+ /* FE settings */
+ dai_link->dynamic = 1;
+ dai_link->dpcm_merged_format = 1;
+
+ ret = asoc_simple_card_parse_cpu(np, dai_link, DAI, CELL,
+ &is_single_links);
+ if (ret)
+ return ret;
+
+ ret = asoc_simple_card_parse_clk_cpu(dev, np, dai_link, dai_props);
+ if (ret < 0)
+ return ret;
+
+ ret = asoc_simple_card_set_dailink_name(dev, dai_link,
+ "fe.%s",
+ dai_link->cpu_dai_name);
+ if (ret < 0)
+ return ret;
+
+ asoc_simple_card_canonicalize_cpu(dai_link, is_single_links);
+ } else {
+ /* FE is dummy */
+ dai_link->cpu_of_node = NULL;
+ dai_link->cpu_dai_name = "snd-soc-dummy-dai";
+ dai_link->cpu_name = "snd-soc-dummy";
+
+ /* BE settings */
+ dai_link->no_pcm = 1;
+ dai_link->be_hw_params_fixup = asoc_simple_card_be_hw_params_fixup;
+
+ ret = asoc_simple_card_parse_codec(np, dai_link, DAI, CELL);
+ if (ret < 0)
+ return ret;
+
+ ret = asoc_simple_card_parse_clk_codec(dev, np, dai_link, dai_props);
+ if (ret < 0)
+ return ret;
+
+ ret = asoc_simple_card_set_dailink_name(dev, dai_link,
+ "be.%s",
+ dai_link->codec_dai_name);
+ if (ret < 0)
+ return ret;
+
+ snd_soc_of_parse_audio_prefix(card,
+ &priv->codec_conf,
+ dai_link->codec_of_node,
+ PREFIX "prefix");
+ }
+
+ ret = asoc_simple_card_of_parse_tdm(np, dai_props);
+ if (ret)
+ return ret;
+
+ ret = asoc_simple_card_canonicalize_dailink(dai_link);
+ if (ret < 0)
+ return ret;
+
+ dai_link->dai_fmt = daifmt;
+ dai_link->dpcm_playback = 1;
+ dai_link->dpcm_capture = 1;
+ dai_link->ops = &asoc_simple_card_ops;
+ dai_link->init = asoc_simple_card_dai_init;
+
+ return 0;
+}
+
+static int asoc_simple_card_parse_of(struct simple_card_data *priv)
+
+{
+ struct device *dev = simple_priv_to_dev(priv);
+ struct device_node *np;
+ struct snd_soc_card *card = simple_priv_to_card(priv);
+ struct device_node *node = dev->of_node;
+ unsigned int daifmt = 0;
+ bool is_fe;
+ int ret, i;
+
+ if (!node)
+ return -EINVAL;
+
+ ret = asoc_simple_card_of_parse_widgets(card, PREFIX);
+ if (ret < 0)
+ return ret;
+
+ ret = asoc_simple_card_of_parse_routing(card, PREFIX, 0);
+ if (ret < 0)
+ return ret;
+
+ asoc_simple_card_parse_convert(dev, PREFIX, &priv->adata);
+
+ /* find 1st codec */
+ np = of_get_child_by_name(node, PREFIX "codec");
+ if (!np)
+ return -ENODEV;
+
+ ret = asoc_simple_card_parse_daifmt(dev, node, np, PREFIX, &daifmt);
+ if (ret < 0)
+ return ret;
+
+ i = 0;
+ for_each_child_of_node(node, np) {
+ is_fe = false;
+ if (strcmp(np->name, PREFIX "cpu") == 0)
+ is_fe = true;
+
+ ret = asoc_simple_card_dai_link_of(np, priv, daifmt, i, is_fe);
+ if (ret < 0)
+ return ret;
+ i++;
+ }
+
+ ret = asoc_simple_card_parse_card_name(card, PREFIX);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int asoc_simple_card_probe(struct platform_device *pdev)
+{
+ struct simple_card_data *priv;
+ struct snd_soc_dai_link *dai_link;
+ struct asoc_simple_dai *dai_props;
+ struct snd_soc_card *card;
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ int num, ret;
+
+ /* Allocate the private data */
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ num = of_get_child_count(np);
+
+ dai_props = devm_kzalloc(dev, sizeof(*dai_props) * num, GFP_KERNEL);
+ dai_link = devm_kzalloc(dev, sizeof(*dai_link) * num, GFP_KERNEL);
+ if (!dai_props || !dai_link)
+ return -ENOMEM;
+
+ priv->dai_props = dai_props;
+ priv->dai_link = dai_link;
+
+ /* Init snd_soc_card */
+ card = simple_priv_to_card(priv);
+ card->owner = THIS_MODULE;
+ card->dev = dev;
+ card->dai_link = priv->dai_link;
+ card->num_links = num;
+ card->codec_conf = &priv->codec_conf;
+ card->num_configs = 1;
+
+ ret = asoc_simple_card_parse_of(priv);
+ if (ret < 0) {
+ if (ret != -EPROBE_DEFER)
+ dev_err(dev, "parse error %d\n", ret);
+ goto err;
+ }
+
+ snd_soc_card_set_drvdata(card, priv);
+
+ ret = devm_snd_soc_register_card(dev, card);
+ if (ret < 0)
+ goto err;
+
+ return 0;
+err:
+ asoc_simple_card_clean_reference(card);
+
+ return ret;
+}
+
+static int asoc_simple_card_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ return asoc_simple_card_clean_reference(card);
+}
+
+static const struct of_device_id asoc_simple_of_match[] = {
+ { .compatible = "renesas,rsrc-card", },
+ { .compatible = "simple-scu-audio-card", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, asoc_simple_of_match);
+
+static struct platform_driver asoc_simple_card = {
+ .driver = {
+ .name = "simple-scu-audio-card",
+ .pm = &snd_soc_pm_ops,
+ .of_match_table = asoc_simple_of_match,
+ },
+ .probe = asoc_simple_card_probe,
+ .remove = asoc_simple_card_remove,
+};
+
+module_platform_driver(asoc_simple_card);
+
+MODULE_ALIAS("platform:asoc-simple-scu-card");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("ASoC Simple SCU Sound Card");
+MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");