ASoC: Intel: 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: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

Author: plbossart

sound/soc/intel/Kconfig

@@ -74,9 +74,14 @@ if SND_SOC_INTEL_SST_TOPLEVEL || SND_SOC_SOF_INTEL_TOPLEVEL
 config SND_SOC_ACPI_INTEL_MATCH
 	tristate
 	select SND_SOC_ACPI if ACPI
+	select SND_SOC_ACPI_INTEL_SDCA_QUIRKS
 	# this option controls the compilation of ACPI matching tables and
 	# helpers and is not meant to be selected by the user.
 
+config SND_SOC_ACPI_INTEL_SDCA_QUIRKS
+	tristate
+	imply SND_SOC_SDCA
+
 endif ## SND_SOC_INTEL_SST_TOPLEVEL || SND_SOC_SOF_INTEL_TOPLEVEL
 
 config SND_SOC_INTEL_KEEMBAY

sound/soc/intel/common/Makefile

@@ -18,5 +18,8 @@ snd-soc-acpi-intel-match-y := soc-acpi-intel-byt-match.o soc-acpi-intel-cht-matc
 
 snd-soc-acpi-intel-match-y += soc-acpi-intel-ssp-common.o
 
+snd-soc-acpi-intel-sdca-quirks-y += soc-acpi-intel-sdca-quirks.o
+
 obj-$(CONFIG_SND_SOC_INTEL_SST) += snd-soc-sst-dsp.o snd-soc-sst-ipc.o
 obj-$(CONFIG_SND_SOC_ACPI_INTEL_MATCH) += snd-soc-acpi-intel-match.o
+obj-$(CONFIG_SND_SOC_ACPI_INTEL_SDCA_QUIRKS) += snd-soc-acpi-intel-sdca-quirks.o

sound/soc/intel/common/soc-acpi-intel-mtl-match.c

@@ -6,9 +6,12 @@
  *
  */
 
+#include <linux/soundwire/sdw_intel.h>
+#include <sound/sdca.h>
 #include <sound/soc-acpi.h>
 #include <sound/soc-acpi-intel-match.h>
 #include <sound/soc-acpi-intel-ssp-common.h>
+#include "soc-acpi-intel-sdca-quirks.h"
 #include "soc-acpi-intel-sdw-mockup-match.h"
 
 static const struct snd_soc_acpi_codecs mtl_rt5682_rt5682s_hp = {
@@ -133,6 +136,27 @@ static const struct snd_soc_acpi_endpoint rt712_endpoints[] = {
 	},
 };
 
+static const struct snd_soc_acpi_endpoint rt712_vb_endpoints[] = {
+	{
+		.num = 0,
+		.aggregated = 0,
+		.group_position = 0,
+		.group_id = 0,
+	},
+	{
+		.num = 1,
+		.aggregated = 0,
+		.group_position = 0,
+		.group_id = 0,
+	},
+	{
+		.num = 2,
+		.aggregated = 0,
+		.group_position = 0,
+		.group_id = 0,
+	},
+};
+
 /*
  * RT722 is a multi-function codec, three endpoints are created for
  * its headset, amp and dmic functions.
@@ -190,6 +214,15 @@ static const struct snd_soc_acpi_adr_device rt712_0_single_adr[] = {
 	}
 };
 
+static const struct snd_soc_acpi_adr_device rt712_vb_0_single_adr[] = {
+	{
+		.adr = 0x000030025D071201ull,
+		.num_endpoints = ARRAY_SIZE(rt712_vb_endpoints),
+		.endpoints = rt712_vb_endpoints,
+		.name_prefix = "rt712"
+	}
+};
+
 static const struct snd_soc_acpi_adr_device rt1712_3_single_adr[] = {
 	{
 		.adr = 0x000330025D171201ull,
@@ -363,6 +396,15 @@ static const struct snd_soc_acpi_link_adr mtl_712_l0[] = {
 	{}
 };
 
+static const struct snd_soc_acpi_link_adr mtl_712_vb_l0[] = {
+	{
+		.mask = BIT(0),
+		.num_adr = ARRAY_SIZE(rt712_vb_0_single_adr),
+		.adr_d = rt712_vb_0_single_adr,
+	},
+	{}
+};
+
 static const struct snd_soc_acpi_endpoint cs42l43_endpoints[] = {
 	{ /* Jack Playback Endpoint */
 		.num = 0,
@@ -774,6 +816,13 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_mtl_sdw_machines[] = {
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-mtl-rt712-l0-rt1712-l3.tplg",
 	},
+	{
+		.link_mask = BIT(0),
+		.links = mtl_712_vb_l0,
+		.drv_name = "sof_sdw",
+		.machine_check = snd_soc_acpi_intel_sdca_is_device_rt712_vb,
+		.sof_tplg_filename = "sof-mtl-rt712-vb-l0.tplg",
+	},
 	{
 		.link_mask = BIT(0),
 		.links = mtl_712_l0,
@@ -843,3 +892,5 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_mtl_sdw_machines[] = {
 	{},
 };
 EXPORT_SYMBOL_GPL(snd_soc_acpi_intel_mtl_sdw_machines);
+
+MODULE_IMPORT_NS(SND_SOC_ACPI_INTEL_SDCA_QUIRKS);

sound/soc/intel/common/soc-acpi-intel-sdca-quirks.c

@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * soc-acpi-intel-sdca-quirks.c - tables and support for SDCA quirks
+ *
+ * Copyright (c) 2024, Intel Corporation.
+ *
+ */
+
+#include <linux/soundwire/sdw_intel.h>
+#include <sound/sdca.h>
+#include <sound/soc-acpi.h>
+#include "soc-acpi-intel-sdca-quirks.h"
+
+/*
+ * Pretend machine quirk. The argument type is not the traditional
+ * 'struct snd_soc_acpi_mach' pointer but instead the sdw_intel_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_intel_sdca_is_device_rt712_vb(void *arg)
+{
+	struct sdw_intel_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_intel_sdca_is_device_rt712_vb, SND_SOC_ACPI_INTEL_SDCA_QUIRKS);
+
+MODULE_DESCRIPTION("ASoC ACPI Intel SDCA quirks");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(SND_SOC_SDCA);

sound/soc/intel/common/soc-acpi-intel-sdca-quirks.h

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * soc-acpi-intel-sdca-quirks.h - tables and support for SDCA quirks
+ *
+ * Copyright (c) 2024, Intel Corporation.
+ *
+ */
+
+#ifndef _SND_SOC_ACPI_INTEL_SDCA_QUIRKS
+#define _SND_SOC_ACPI_INTEL_SDCA_QUIRKS
+
+bool snd_soc_acpi_intel_sdca_is_device_rt712_vb(void *arg);
+
+#endif