3 files changed, 84 insertions, 3 deletions

diff --git a/src/mainboard/intel/kunimitsu/Kconfig b/src/mainboard/intel/kunimitsu/Kconfig
index 6dabee62a8..c479c920cc 100644
--- a/src/mainboard/intel/kunimitsu/Kconfig
+++ b/src/mainboard/intel/kunimitsu/Kconfig
@@ -51,4 +51,12 @@ config MAX_CPUS
 	int
 	default 8
 
+config INCLUDE_NHLT_BLOBS
+	bool "Include blobs for audio."
+	select NHLT_DMIC_2CH
+	select NHLT_DMIC_4CH
+	select NHLT_MAX98357
+	select NHLT_NAU88L25
+	select NHLT_SSM4567
+
 endif
diff --git a/src/mainboard/intel/kunimitsu/acpi/mainboard.asl b/src/mainboard/intel/kunimitsu/acpi/mainboard.asl
index 2eaee84d55..80067137af 100644
--- a/src/mainboard/intel/kunimitsu/acpi/mainboard.asl
+++ b/src/mainboard/intel/kunimitsu/acpi/mainboard.asl
@@ -80,7 +80,12 @@ Scope (\_SB)
 
 		Method (_STA)
 		{
-			Return (0xF)
+			/* AUDIO_DB_ID = 0 If MAXIM Codec Present */
+			If (LEqual (\_SB.PCI0.GRXS (AUDIO_DB_ID), 0x0)) {
+				Return (0xF)
+			} Else {
+				Return (0x0)
+			}
 		}
 	}
 }
@@ -261,7 +266,12 @@ Scope (\_SB.PCI0.I2C4)
 
 		Method (_STA)
 		{
-			Return (0xF)
+			/* AUDIO_DB_ID = 1 If ADI Codec Present */
+			If (LEqual (GRXS (AUDIO_DB_ID), 0x1)) {
+				Return (0xF)
+			} Else {
+				Return (0x0)
+			}
 		}
 	}
 
@@ -285,7 +295,12 @@ Scope (\_SB.PCI0.I2C4)
 
 		Method (_STA)
 		{
-			Return (0xF)
+			/* AUDIO_DB_ID = 1 If ADI Codec Present */
+			If (LEqual (GRXS (AUDIO_DB_ID), 0x1)) {
+				Return (0xF)
+			} Else {
+				Return (0x0)
+			}
 		}
 	}
 }
diff --git a/src/mainboard/intel/kunimitsu/mainboard.c b/src/mainboard/intel/kunimitsu/mainboard.c
index bf547479a1..4bbd4e3fa8 100644
--- a/src/mainboard/intel/kunimitsu/mainboard.c
+++ b/src/mainboard/intel/kunimitsu/mainboard.c
@@ -15,15 +15,72 @@
  * GNU General Public License for more details.
  */
 
+#include <arch/acpi.h>
+#include <console/console.h>
 #include <device/device.h>
+#include <gpio.h>
 #include <stdlib.h>
+#include <soc/nhlt.h>
 #include "ec.h"
+#include "gpio.h"
 
 static void mainboard_init(device_t dev)
 {
 	mainboard_ec_init();
 }
 
+static uint8_t select_audio_codec(void)
+{
+	int audio_db_sel = gpio_get(AUDIO_DB_ID);
+
+	return audio_db_sel;
+}
+
+static unsigned long mainboard_write_acpi_tables(
+	device_t device, unsigned long current, acpi_rsdp_t *rsdp)
+{
+		uintptr_t start_addr;
+		uintptr_t end_addr;
+		struct nhlt *nhlt;
+
+		start_addr = current;
+
+		nhlt = nhlt_init();
+
+		if (nhlt == NULL)
+			return start_addr;
+
+		/* 2 Channel DMIC array. */
+		if (nhlt_soc_add_dmic_array(nhlt, 2))
+			printk(BIOS_ERR, "Couldn't add 2CH DMIC array.\n");
+
+
+		/* 4 Channel DMIC array. */
+		if (nhlt_soc_add_dmic_array(nhlt, 4))
+			printk(BIOS_ERR, "Couldn't add 4CH DMIC arrays.\n");
+
+		if (select_audio_codec()) {
+			/* ADI Smart Amps for left and right. */
+			if (nhlt_soc_add_ssm4567(nhlt, AUDIO_LINK_SSP0))
+				printk(BIOS_ERR, "Couldn't add ssm4567.\n");
+		} else {
+			/* MAXIM Smart Amps for left and right. */
+			if (nhlt_soc_add_max98357(nhlt, AUDIO_LINK_SSP0))
+				printk(BIOS_ERR, "Couldn't add max98357.\n");
+		}
+
+		/* NAU88l25 Headset codec. */
+		if (nhlt_soc_add_nau88l25(nhlt, AUDIO_LINK_SSP1))
+			printk(BIOS_ERR, "Couldn't add headset codec.\n");
+
+		end_addr = nhlt_soc_serialize(nhlt, start_addr);
+
+		if (end_addr != start_addr)
+			acpi_add_table(rsdp, (void *)start_addr);
+
+		return end_addr;
+}
+
 /*
  * mainboard_enable is executed as first thing after
  * enumerate_buses().
@@ -31,6 +88,7 @@ static void mainboard_init(device_t dev)
 static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
+	dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
 }
 
 struct chip_operations mainboard_ops = {