ASoC: amd: acp: soc-acpi: add is_device_rt712_vb() helper

Add a filter to skip the RT172 VB configuration if a SmartMic Function
is not found in the SDCA descriptors.

If the ACPI information is incorrect this can only be quirked further
with DMI information.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>

Author: vijendarmukunda

sound/soc/amd/acp/Kconfig

@@ -15,8 +15,14 @@ config SND_SOC_AMD_ACP_COMMON
 
 config SND_SOC_ACPI_AMD_MATCH
 	tristate
+	select SND_SOC_ACPI_AMD_SDCA_QUIRKS
 	select SND_SOC_ACPI if ACPI
 
+config SND_SOC_ACPI_AMD_SDCA_QUIRKS
+	tristate
+	depends on ACPI
+	depends on SND_SOC_SDCA
+
 if SND_SOC_AMD_ACP_COMMON
 
 config SND_SOC_AMD_ACP_PDM

sound/soc/amd/acp/Makefile

@@ -27,6 +27,7 @@ snd-soc-acpi-amd-match-y := amd-acp63-acpi-match.o amd-acp70-acpi-match.o
 snd-acp-sdw-mach-y     := acp-sdw-mach-common.o
 snd-acp-sdw-sof-mach-y += acp-sdw-sof-mach.o
 snd-acp-sdw-legacy-mach-y += acp-sdw-legacy-mach.o
+snd-soc-acpi-amd-sdca-quirks-y += soc-acpi-amd-sdca-quirks.o
 
 obj-$(CONFIG_SND_SOC_AMD_ACP_PCM) += snd-acp-pcm.o
 obj-$(CONFIG_SND_SOC_AMD_ACP_I2S) += snd-acp-i2s.o
@@ -40,6 +41,7 @@ obj-$(CONFIG_SND_AMD_ASOC_REMBRANDT) += snd-acp-rembrandt.o
 obj-$(CONFIG_SND_AMD_ASOC_ACP63) += snd-acp63.o
 obj-$(CONFIG_SND_AMD_ASOC_ACP70) += snd-acp70.o
 
+obj-$(CONFIG_SND_SOC_ACPI_AMD_SDCA_QUIRKS) += snd-soc-acpi-amd-sdca-quirks.o
 obj-$(CONFIG_SND_AMD_SOUNDWIRE_ACPI) += snd-amd-sdw-acpi.o
 obj-$(CONFIG_SND_SOC_AMD_MACH_COMMON) += snd-acp-mach.o
 obj-$(CONFIG_SND_SOC_AMD_LEGACY_MACH) += snd-acp-legacy-mach.o

sound/soc/amd/acp/amd-acp70-acpi-match.c

@@ -7,6 +7,7 @@
  */
 
 #include <sound/soc-acpi.h>
+#include "soc-acpi-amd-sdca-quirks.h"
 #include "../mach-config.h"
 
 static const struct snd_soc_acpi_endpoint single_endpoint = {
@@ -44,6 +45,39 @@ static const struct snd_soc_acpi_endpoint spk_3_endpoint = {
 	.group_id = 1
 };
 
+static const struct snd_soc_acpi_endpoint jack_amp_g1_dmic_endpoints[] = {
+	/* Jack Endpoint */
+	{
+		.num = 0,
+		.aggregated = 0,
+		.group_position = 0,
+		.group_id = 0,
+	},
+	/* Amp Endpoint, work as spk_l_endpoint */
+	{
+		.num = 1,
+		.aggregated = 1,
+		.group_position = 0,
+		.group_id = 1,
+	},
+	/* DMIC Endpoint */
+	{
+		.num = 2,
+		.aggregated = 0,
+		.group_position = 0,
+		.group_id = 0,
+	},
+};
+
+static const struct snd_soc_acpi_adr_device rt712_vb_1_group1_adr[] = {
+	{
+		.adr = 0x000130025D071201ull,
+		.num_endpoints = ARRAY_SIZE(jack_amp_g1_dmic_endpoints),
+		.endpoints = jack_amp_g1_dmic_endpoints,
+		.name_prefix = "rt712"
+	}
+};
+
 static const struct snd_soc_acpi_adr_device rt711_rt1316_group_adr[] = {
 	{
 		.adr = 0x000030025D071101ull,
@@ -254,6 +288,15 @@ static const struct snd_soc_acpi_link_adr acp70_cs35l56x4_l1[] = {
 	{}
 };
 
+static const struct snd_soc_acpi_link_adr acp70_alc712_vb_l1[] = {
+	{
+		.mask = BIT(1),
+		.num_adr = ARRAY_SIZE(rt712_vb_1_group1_adr),
+		.adr_d = rt712_vb_1_group1_adr,
+	},
+	{}
+};
+
 static const struct snd_soc_acpi_link_adr acp70_rt722_only[] = {
 	{
 		.mask = BIT(0),
@@ -308,6 +351,12 @@ struct snd_soc_acpi_mach snd_soc_acpi_amd_acp70_sdw_machines[] = {
 		.links = acp70_cs35l56x4_l1,
 		.drv_name = "amd_sdw",
 	},
+	{
+		.link_mask = BIT(1),
+		.links = acp70_alc712_vb_l1,
+		.machine_check = snd_soc_acpi_amd_sdca_is_device_rt712_vb,
+		.drv_name = "amd_sdw",
+	},
 	{},
 };
 EXPORT_SYMBOL(snd_soc_acpi_amd_acp70_sdw_machines);
@@ -327,3 +376,4 @@ EXPORT_SYMBOL(snd_soc_acpi_amd_acp70_sof_sdw_machines);
 MODULE_DESCRIPTION("AMD ACP7.0 & ACP7.1 tables and support for ACPI enumeration");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
+MODULE_IMPORT_NS("SND_SOC_ACPI_AMD_SDCA_QUIRKS");

sound/soc/amd/acp/soc-acpi-amd-sdca-quirks.c

@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * soc-acpi-amd-sdca-quirks.c - tables and support for SDCA quirks
+ *
+ * Copyright(c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+ *
+ */
+
+#include <linux/soundwire/sdw_amd.h>
+#include <sound/sdca.h>
+#include <sound/soc-acpi.h>
+#include "soc-acpi-amd-sdca-quirks.h"
+
+/*
+ * Pretend machine quirk. The argument type is not the traditional
+ * 'struct snd_soc_acpi_mach' pointer but instead the sdw_amd_ctx
+ * which contains the peripheral information required for the
+ * SoundWire/SDCA filter on the SMART_MIC setup and interface
+ * revision. When the return value is false, the entry in the
+ * 'snd_soc_acpi_mach' table needs to be skipped.
+ */
+bool snd_soc_acpi_amd_sdca_is_device_rt712_vb(void *arg)
+{
+	struct sdw_amd_ctx *ctx = arg;
+	int i;
+
+	if (!ctx)
+		return false;
+
+	for (i = 0; i < ctx->peripherals->num_peripherals; i++) {
+		if (sdca_device_quirk_match(ctx->peripherals->array[i],
+					    SDCA_QUIRKS_RT712_VB))
+			return true;
+	}
+
+	return false;
+}
+EXPORT_SYMBOL_NS(snd_soc_acpi_amd_sdca_is_device_rt712_vb, "SND_SOC_ACPI_AMD_SDCA_QUIRKS");
+
+MODULE_DESCRIPTION("ASoC ACPI AMD SDCA quirks");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("SND_SOC_SDCA");

sound/soc/amd/acp/soc-acpi-amd-sdca-quirks.h

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * soc-acpi-amd-sdca-quirks.h - tables and support for SDCA quirks
+ *
+ * Copyright(c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+ *
+ */
+
+#ifndef _SND_SOC_ACPI_AMD_SDCA_QUIRKS
+#define _SND_SOC_ACPI_AMD_SDCA_QUIRKS
+
+bool snd_soc_acpi_amd_sdca_is_device_rt712_vb(void *arg);
+
+#endif