1 files changed, 83 insertions, 0 deletions
diff --git a/sound/soc/intel/avs/boards/probe.c b/sound/soc/intel/avs/boards/probe.c
new file mode 100644
index 000000000000..73884f8a535c
--- /dev/null
+++ b/sound/soc/intel/avs/boards/probe.c
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2021-2022 Intel Corporation
+//
+// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
+//          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
+//
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <sound/soc.h>
+
+static int avs_create_dai_links(struct device *dev, struct snd_soc_dai_link **links, int *num_links)
+{
+	struct snd_soc_dai_link *dl;
+
+	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
+	if (!dl)
+		return -ENOMEM;
+
+	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
+	dl->platforms = devm_kzalloc(dev, sizeof(*dl->platforms), GFP_KERNEL);
+	if (!dl->cpus || !dl->platforms)
+		return -ENOMEM;
+
+	dl->name = "Compress Probe Capture";
+	dl->cpus->dai_name = "Probe Extraction CPU DAI";
+	dl->num_cpus = 1;
+	dl->codecs = &snd_soc_dummy_dlc;
+	dl->num_codecs = 1;
+	dl->platforms->name = dev_name(dev);
+	dl->num_platforms = 1;
+	dl->nonatomic = 1;
+
+	*links = dl;
+	*num_links = 1;
+	return 0;
+}
+
+static int avs_probe_mb_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct snd_soc_card *card;
+	int ret;
+
+	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return -ENOMEM;
+
+	ret = avs_create_dai_links(dev, &card->dai_link, &card->num_links);
+	if (ret)
+		return ret;
+
+	card->driver_name = "avs_probe_mb";
+	card->long_name = card->name = "AVS PROBE";
+	card->dev = dev;
+	card->owner = THIS_MODULE;
+	card->fully_routed = true;
+
+	return devm_snd_soc_register_deferrable_card(dev, card);
+}
+
+static const struct platform_device_id avs_probe_mb_driver_ids[] = {
+	{
+		.name = "avs_probe_mb",
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(platform, avs_probe_mb_driver_ids);
+
+static struct platform_driver avs_probe_mb_driver = {
+	.probe = avs_probe_mb_probe,
+	.driver = {
+		.name = "avs_probe_mb",
+		.pm = &snd_soc_pm_ops,
+	},
+	.id_table = avs_probe_mb_driver_ids,
+};
+
+module_platform_driver(avs_probe_mb_driver);
+
+MODULE_DESCRIPTION("Intel probe machine driver");
+MODULE_LICENSE("GPL");