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From:   Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
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Subject: [PATCH 5/5] ASoC: amd: acp: Enable tdm support for skyrim platforms
Date:   Tue, 20 Dec 2022 12:57:05 +0530
Message-ID: <20221220072705.1456908-6-venkataprasad.potturu@amd.com>
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Enable tdm support for skyrim platform using dmi quirks.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
---
 sound/soc/amd/acp/acp-legacy-mach.c |  8 ++++++++
 sound/soc/amd/acp/acp-mach-common.c | 14 ++++++++++++++
 sound/soc/amd/acp/acp-mach.h        |  1 +
 sound/soc/amd/acp/acp-sof-mach.c    |  8 ++++++++
 4 files changed, 31 insertions(+)

diff --git a/sound/soc/amd/acp/acp-legacy-mach.c b/sound/soc/amd/acp/acp-legacy-mach.c
index d508792dba4f..04958a884cfd 100644
--- a/sound/soc/amd/acp/acp-legacy-mach.c
+++ b/sound/soc/amd/acp/acp-legacy-mach.c
@@ -16,6 +16,7 @@
 #include <sound/pcm_params.h>
 #include <sound/soc-acpi.h>
 #include <sound/soc-dapm.h>
+#include <linux/dmi.h>
 #include <linux/module.h>
 
 #include "acp-mach.h"
@@ -95,6 +96,8 @@ static int acp_asoc_probe(struct platform_device *pdev)
 {
 	struct snd_soc_card *card = NULL;
 	struct device *dev = &pdev->dev;
+	const struct dmi_system_id *dmi_id;
+	struct acp_card_drvdata *acp_drvdata;
 	int ret;
 
 	if (!pdev->id_entry)
@@ -113,6 +116,11 @@ static int acp_asoc_probe(struct platform_device *pdev)
 	card->num_controls = ARRAY_SIZE(acp_controls);
 	card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data;
 
+	acp_drvdata = card->drvdata;
+	dmi_id = dmi_first_match(acp_quirk_table);
+	if (dmi_id && dmi_id->driver_data)
+		acp_drvdata->tdm_mode = dmi_id->driver_data;
+
 	acp_legacy_dai_links_create(card);
 
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
diff --git a/sound/soc/amd/acp/acp-mach-common.c b/sound/soc/amd/acp/acp-mach-common.c
index 73a27f02b52b..bde3ea3377ef 100644
--- a/sound/soc/amd/acp/acp-mach-common.c
+++ b/sound/soc/amd/acp/acp-mach-common.c
@@ -32,6 +32,20 @@
 #define DUAL_CHANNEL	2
 #define FOUR_CHANNEL	4
 
+#define TDM_MODE_ENABLE 1
+
+const struct dmi_system_id acp_quirk_table[] = {
+	{
+		/* Google skyrim proto-0 */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_PRODUCT_FAMILY, "Google_Skyrim"),
+		},
+		.driver_data = (void *)TDM_MODE_ENABLE,
+	},
+	{}
+};
+EXPORT_SYMBOL_GPL(acp_quirk_table);
+
 static struct snd_soc_jack pco_jack;
 
 static const unsigned int channels[] = {
diff --git a/sound/soc/amd/acp/acp-mach.h b/sound/soc/amd/acp/acp-mach.h
index 9f87439b3cfd..165f407697c0 100644
--- a/sound/soc/amd/acp/acp-mach.h
+++ b/sound/soc/amd/acp/acp-mach.h
@@ -65,5 +65,6 @@ struct acp_card_drvdata {
 
 int acp_sofdsp_dai_links_create(struct snd_soc_card *card);
 int acp_legacy_dai_links_create(struct snd_soc_card *card);
+extern const struct dmi_system_id acp_quirk_table[];
 
 #endif
diff --git a/sound/soc/amd/acp/acp-sof-mach.c b/sound/soc/amd/acp/acp-sof-mach.c
index f3ba22a25962..e5b3a0d5363a 100644
--- a/sound/soc/amd/acp/acp-sof-mach.c
+++ b/sound/soc/amd/acp/acp-sof-mach.c
@@ -16,6 +16,7 @@
 #include <sound/pcm_params.h>
 #include <sound/soc-acpi.h>
 #include <sound/soc-dapm.h>
+#include <linux/dmi.h>
 #include <linux/module.h>
 
 #include "acp-mach.h"
@@ -102,6 +103,8 @@ static int acp_sof_probe(struct platform_device *pdev)
 {
 	struct snd_soc_card *card = NULL;
 	struct device *dev = &pdev->dev;
+	const struct dmi_system_id *dmi_id;
+	struct acp_card_drvdata *acp_drvdata;
 	int ret;
 
 	if (!pdev->id_entry)
@@ -120,6 +123,11 @@ static int acp_sof_probe(struct platform_device *pdev)
 	card->num_controls = ARRAY_SIZE(acp_controls);
 	card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data;
 
+	acp_drvdata = card->drvdata;
+	dmi_id = dmi_first_match(acp_quirk_table);
+	if (dmi_id && dmi_id->driver_data)
+		acp_drvdata->tdm_mode = dmi_id->driver_data;
+
 	acp_sofdsp_dai_links_create(card);
 
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
-- 
2.25.1