ASoC: amd: add Pink Sardine machine driver using dmic

Add Pink Sardine platform machine driver using dmic.

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Reviewed-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20220827165657.2343818-13-Syed.SabaKareem@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/amd/ps/ps-mach.c b/sound/soc/amd/ps/ps-mach.c
new file mode 100644 (file)
index 0000000..b3e9709
--- /dev/null
+++ b/sound/soc/amd/ps/ps-mach.c
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Machine driver for AMD Pink Sardine platform using DMIC
+ *
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ */
+
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <linux/module.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <linux/io.h>
+#include <linux/dmi.h>
+
+#include "acp62.h"
+
+#define DRV_NAME "acp_ps_mach"
+
+SND_SOC_DAILINK_DEF(acp62_pdm,
+                   DAILINK_COMP_ARRAY(COMP_CPU("acp_ps_pdm_dma.0")));
+
+SND_SOC_DAILINK_DEF(dmic_codec,
+                   DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0",
+                                                 "dmic-hifi")));
+
+SND_SOC_DAILINK_DEF(pdm_platform,
+                   DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_ps_pdm_dma.0")));
+
+static struct snd_soc_dai_link acp62_dai_pdm[] = {
+       {
+               .name = "acp62-dmic-capture",
+               .stream_name = "DMIC capture",
+               .capture_only = 1,
+               SND_SOC_DAILINK_REG(acp62_pdm, dmic_codec, pdm_platform),
+       },
+};
+
+static struct snd_soc_card acp62_card = {
+       .name = "acp62",
+       .owner = THIS_MODULE,
+       .dai_link = acp62_dai_pdm,
+       .num_links = 1,
+};
+
+static int acp62_probe(struct platform_device *pdev)
+{
+       struct acp62_pdm *machine = NULL;
+       struct snd_soc_card *card;
+       int ret;
+
+       platform_set_drvdata(pdev, &acp62_card);
+       card = platform_get_drvdata(pdev);
+       acp62_card.dev = &pdev->dev;
+
+       snd_soc_card_set_drvdata(card, machine);
+       ret = devm_snd_soc_register_card(&pdev->dev, card);
+       if (ret) {
+               return dev_err_probe(&pdev->dev, ret,
+                               "snd_soc_register_card(%s) failed\n",
+                               card->name);
+       }
+
+       return 0;
+}
+
+static struct platform_driver acp62_mach_driver = {
+       .driver = {
+               .name = "acp_ps_mach",
+               .pm = &snd_soc_pm_ops,
+       },
+       .probe = acp62_probe,
+};
+
+module_platform_driver(acp62_mach_driver);
+
+MODULE_AUTHOR("Syed.SabaKareem@amd.com");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);