mainboard/google/zoombini: Add config for meowth audio

Add NHLT and dt support for meowth with max98373 amp.

BUG=b:71724897
TEST='emerge-meowth coreboot' compiles correctly
TEST=check SSDT and verify entries for max98373
TEST=check NHLT ACPI tables included blobs for max98373

Change-Id: Ic89bf669c7ab2ef39ce64e4da6a57a7069ee75f9
Signed-off-by: Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/23334
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>

3 files changed, 57 insertions, 0 deletions

diff --git a/src/mainboard/google/zoombini/variants/baseboard/Makefile.inc b/src/mainboard/google/zoombini/variants/baseboard/Makefile.inc
index 6caed38ad5..66ff5f1a60 100644
--- a/src/mainboard/google/zoombini/variants/baseboard/Makefile.inc
+++ b/src/mainboard/google/zoombini/variants/baseboard/Makefile.inc
@@ -19,3 +19,4 @@ romstage-y += boardid.c
 
 ramstage-y += boardid.c
 ramstage-y += gpio.c
+ramstage-y += nhlt.c
diff --git a/src/mainboard/google/zoombini/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/zoombini/variants/baseboard/include/baseboard/variants.h
index c9c1158028..eab081da54 100644
--- a/src/mainboard/google/zoombini/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/zoombini/variants/baseboard/include/baseboard/variants.h
@@ -40,4 +40,8 @@ const struct lpddr4_cfg *variant_lpddr4_config(void);
 /* Return memory SKU for the board. */
 size_t variant_memory_sku(void);
 
+/* Seed the NHLT tables with the board specific information. */
+struct nhlt;
+void variant_nhlt_init(struct nhlt *nhlt);
+
 #endif /*__BASEBOARD_VARIANTS_H__ */
diff --git a/src/mainboard/google/zoombini/variants/baseboard/nhlt.c b/src/mainboard/google/zoombini/variants/baseboard/nhlt.c
new file mode 100644
index 0000000000..0741b0d62f
--- /dev/null
+++ b/src/mainboard/google/zoombini/variants/baseboard/nhlt.c
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <baseboard/variants.h>
+#include <console/console.h>
+#include <nhlt.h>
+#include <soc/nhlt.h>
+
+void __attribute__((weak)) variant_nhlt_init(struct nhlt *nhlt)
+{
+	/* 1-dmic configuration */
+	if (IS_ENABLED(CONFIG_NHLT_DMIC_1CH_16B) &&
+		!nhlt_soc_add_dmic_array(nhlt, 1))
+		printk(BIOS_DEBUG, "Added 1CH DMIC array.\n");
+	/* 2-dmic configuration */
+	if (IS_ENABLED(CONFIG_NHLT_DMIC_2CH_16B) &&
+		!nhlt_soc_add_dmic_array(nhlt, 2))
+		printk(BIOS_DEBUG, "Added 2CH DMIC array.\n");
+	/* 4-dmic configuration */
+	if (IS_ENABLED(CONFIG_NHLT_DMIC_4CH_16B) &&
+		!nhlt_soc_add_dmic_array(nhlt, 4))
+		printk(BIOS_DEBUG, "Added 4CH DMIC array.\n");
+
+
+	if (IS_ENABLED(CONFIG_INCLUDE_SND_MAX98357_DA7219_NHLT)) {
+		/* Dialog for Headset codec. Headset codec is bi-directional
+		   but uses the same configuration settings for render and
+		   capture endpoints. */
+		if (!nhlt_soc_add_da7219(nhlt, AUDIO_LINK_SSP2))
+			printk(BIOS_DEBUG, "Added Dialog_7219 codec.\n");
+
+		/* MAXIM Smart Amps for left and right speakers. */
+		if (!nhlt_soc_add_max98357(nhlt, AUDIO_LINK_SSP1))
+			printk(BIOS_DEBUG, "Added Maxim_98357 codec.\n");
+	}
+
+	if (IS_ENABLED(CONFIG_INCLUDE_SND_MAX98373_NHLT) &&
+		!nhlt_soc_add_max98373(nhlt, AUDIO_LINK_SSP1))
+		printk(BIOS_DEBUG, "Added Maxim_98373 codec.\n");
+}