Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 167 insertions, 0 deletions

diff --git a/sound/soc/ux500/mop500.c b/sound/soc/ux500/mop500.c
new file mode 100644
index 0000000000..e0ab4534fe
--- /dev/null
+++ b/sound/soc/ux500/mop500.c
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) ST-Ericsson SA 2012
+ *
+ * Author: Ola Lilja (ola.o.lilja@stericsson.com)
+ *         for ST-Ericsson.
+ */
+
+#include <asm/mach-types.h>
+
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/spi/spi.h>
+#include <linux/of.h>
+
+#include <sound/soc.h>
+#include <sound/initval.h>
+
+#include "ux500_pcm.h"
+#include "ux500_msp_dai.h"
+
+#include "mop500_ab8500.h"
+
+/* Define the whole MOP500 soundcard, linking platform to the codec-drivers  */
+SND_SOC_DAILINK_DEFS(link1,
+	DAILINK_COMP_ARRAY(COMP_CPU("ux500-msp-i2s.1")),
+	DAILINK_COMP_ARRAY(COMP_CODEC("ab8500-codec.0", "ab8500-codec-dai.0")),
+	DAILINK_COMP_ARRAY(COMP_PLATFORM("ux500-msp-i2s.1")));
+
+SND_SOC_DAILINK_DEFS(link2,
+	DAILINK_COMP_ARRAY(COMP_CPU("ux500-msp-i2s.3")),
+	DAILINK_COMP_ARRAY(COMP_CODEC("ab8500-codec.0", "ab8500-codec-dai.1")),
+	DAILINK_COMP_ARRAY(COMP_PLATFORM("ux500-msp-i2s.3")));
+
+static struct snd_soc_dai_link mop500_dai_links[] = {
+	{
+		.name = "ab8500_0",
+		.stream_name = "ab8500_0",
+		.init = mop500_ab8500_machine_init,
+		.ops = mop500_ab8500_ops,
+		SND_SOC_DAILINK_REG(link1),
+	},
+	{
+		.name = "ab8500_1",
+		.stream_name = "ab8500_1",
+		.init = NULL,
+		.ops = mop500_ab8500_ops,
+		SND_SOC_DAILINK_REG(link2),
+	},
+};
+
+static struct snd_soc_card mop500_card = {
+	.name = "MOP500-card",
+	.owner = THIS_MODULE,
+	.probe = NULL,
+	.dai_link = mop500_dai_links,
+	.num_links = ARRAY_SIZE(mop500_dai_links),
+};
+
+static void mop500_of_node_put(void)
+{
+	int i;
+
+	for (i = 0; i < 2; i++)
+		of_node_put(mop500_dai_links[i].cpus->of_node);
+
+	/* Both links use the same codec, which is refcounted only once */
+	of_node_put(mop500_dai_links[0].codecs->of_node);
+}
+
+static int mop500_of_probe(struct platform_device *pdev,
+			   struct device_node *np)
+{
+	struct device_node *codec_np, *msp_np[2];
+	int i;
+
+	msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0);
+	msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1);
+	codec_np  = of_parse_phandle(np, "stericsson,audio-codec", 0);
+
+	if (!(msp_np[0] && msp_np[1] && codec_np)) {
+		dev_err(&pdev->dev, "Phandle missing or invalid\n");
+		for (i = 0; i < 2; i++)
+			of_node_put(msp_np[i]);
+		of_node_put(codec_np);
+		return -EINVAL;
+	}
+
+	for (i = 0; i < 2; i++) {
+		mop500_dai_links[i].cpus->of_node = msp_np[i];
+		mop500_dai_links[i].cpus->dai_name = NULL;
+		mop500_dai_links[i].platforms->of_node = msp_np[i];
+		mop500_dai_links[i].platforms->name = NULL;
+		mop500_dai_links[i].codecs->of_node = codec_np;
+		mop500_dai_links[i].codecs->name = NULL;
+	}
+
+	snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name");
+
+	return 0;
+}
+
+static int mop500_probe(struct platform_device *pdev)
+{
+	struct device_node *np = pdev->dev.of_node;
+	int ret;
+
+	dev_dbg(&pdev->dev, "%s: Enter.\n", __func__);
+
+	mop500_card.dev = &pdev->dev;
+
+	ret = mop500_of_probe(pdev, np);
+	if (ret)
+		return ret;
+
+	dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n",
+		__func__, mop500_card.name);
+
+	snd_soc_card_set_drvdata(&mop500_card, NULL);
+
+	dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n",
+		__func__, mop500_card.name, mop500_card.num_links);
+	dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n",
+		__func__, mop500_card.name, mop500_card.dai_link[0].name);
+	dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n",
+		__func__, mop500_card.name,
+		mop500_card.dai_link[0].stream_name);
+
+	ret = snd_soc_register_card(&mop500_card);
+	if (ret)
+		dev_err(&pdev->dev,
+			"Error: snd_soc_register_card failed (%d)!\n", ret);
+
+	return ret;
+}
+
+static void mop500_remove(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+	pr_debug("%s: Enter.\n", __func__);
+
+	snd_soc_unregister_card(card);
+	mop500_ab8500_remove(card);
+	mop500_of_node_put();
+}
+
+static const struct of_device_id snd_soc_mop500_match[] = {
+	{ .compatible = "stericsson,snd-soc-mop500", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, snd_soc_mop500_match);
+
+static struct platform_driver snd_soc_mop500_driver = {
+	.driver = {
+		.name = "snd-soc-mop500",
+		.of_match_table = snd_soc_mop500_match,
+	},
+	.probe = mop500_probe,
+	.remove_new = mop500_remove,
+};
+
+module_platform_driver(snd_soc_mop500_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("ASoC MOP500 board driver");
+MODULE_AUTHOR("Ola Lilja");