From 8ea30e64cd9513ab7dfc4979ec9fda24b7cea6c0 Mon Sep 17 00:00:00 2001
From: Laura Nao <laura.nao@collabora.com>
Date: Wed, 15 Oct 2025 12:06:37 +0200
Subject: [PATCH] ucm2: Add support for MT8196 Rauru Rev0 Chromebook with SOF

Add support for the Google Rauru Rev0 Chromebook, powered by MediaTek
Kompanio Ultra (MT8196). This machine uses NAU8825 as headphone codec
and NAU8318 as speaker codec.

Closes: https://github.com/alsa-project/alsa-ucm-conf/pull/625
Signed-off-by: Laura Nao <laura.nao@collabora.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 ucm2/MediaTek/mt8196-sof/init.conf            | 26 +++++++
 .../mt8196-sof/nau8825-nau8318/HiFi.conf      | 68 +++++++++++++++++++
 .../sof-mt8196-nau8825-nau8318.conf           | 11 +++
 .../sof-mt8196-nau8/sof-mt8196-nau8825.conf   |  1 +
 4 files changed, 106 insertions(+)
 create mode 100644 ucm2/MediaTek/mt8196-sof/init.conf
 create mode 100644 ucm2/MediaTek/mt8196-sof/nau8825-nau8318/HiFi.conf
 create mode 100644 ucm2/MediaTek/mt8196-sof/nau8825-nau8318/sof-mt8196-nau8825-nau8318.conf
 create mode 120000 ucm2/conf.d/sof-mt8196-nau8/sof-mt8196-nau8825.conf

diff --git a/ucm2/MediaTek/mt8196-sof/init.conf b/ucm2/MediaTek/mt8196-sof/init.conf
new file mode 100644
index 0000000..8d9bc19
--- /dev/null
+++ b/ucm2/MediaTek/mt8196-sof/init.conf
@@ -0,0 +1,26 @@
+# mt8196 specific boot sequence
+
+BootSequence [
+	# Speaker
+	cset "name='I2SOUT4_CH1 DL_24CH_CH1' 1"
+	cset "name='I2SOUT4_CH2 DL_24CH_CH2' 1"
+
+	# Headphones
+	cset "name='I2SOUT6_CH1 DL1_CH1' 1"
+	cset "name='I2SOUT6_CH2 DL1_CH2' 1"
+
+	# Front Mic
+	cset "name='ADDA_UL_Mux' AP_DMIC"
+	cset "name='UL0_CH1 ADDA_UL_CH1' 1"
+	cset "name='UL0_CH2 ADDA_UL_CH2' 1"
+
+	# Mic
+	cset "name='UL1_CH1 I2SIN6_CH1' 1"
+	cset "name='UL1_CH2 I2SIN6_CH2' 1"
+
+	# Rear Mic
+	cset "name='ADDA_CH34_UL_Mux' AP_DMIC"
+	cset "name='UL2_CH1 ADDA_UL_CH3' 1"
+	cset "name='UL2_CH2 ADDA_UL_CH4' 1"
+]
+
diff --git a/ucm2/MediaTek/mt8196-sof/nau8825-nau8318/HiFi.conf b/ucm2/MediaTek/mt8196-sof/nau8825-nau8318/HiFi.conf
new file mode 100644
index 0000000..8445fa3
--- /dev/null
+++ b/ucm2/MediaTek/mt8196-sof/nau8825-nau8318/HiFi.conf
@@ -0,0 +1,68 @@
+SectionVerb {
+	EnableSequence [
+		disdevall ""
+	]
+}
+
+SectionDevice."Speaker" {
+	Comment "Speaker"
+
+	Value {
+		PlaybackPCM "hw:${CardId},0"
+		PlaybackPriority 100
+	}
+}
+
+SectionDevice."Headphones" {
+	Comment "Headphones"
+
+	EnableSequence [
+		cset "name='Headphone Jack Switch' 1"
+	]
+
+	DisableSequence [
+		cset "name='Headphone Jack Switch' 0"
+	]
+
+	Value {
+		PlaybackPCM "hw:${CardId},1"
+		JackControl "Headphone Jack"
+		PlaybackPriority 200
+	}
+}
+
+SectionDevice."Mic1" {
+	Comment "Front Microphone"
+
+	Value {
+		CapturePCM "hw:${CardId},2"
+		CapturePriority 200
+	}
+}
+
+SectionDevice."Mic2" {
+	Comment "Rear Microphone"
+
+	Value {
+		CapturePCM "hw:${CardId},4"
+		CapturePriority 100
+	}
+}
+
+SectionDevice."Mic3" {
+	Comment "Headset Microphone"
+
+	EnableSequence [
+		cset "name='Headset Mic Switch' 1"
+	]
+
+	DisableSequence [
+		cset "name='Headset Mic Switch' 0"
+	]
+
+	Value {
+		CapturePCM "hw:${CardId},3"
+		JackControl "Headset Mic Jack"
+		CapturePriority 300
+	}
+}
diff --git a/ucm2/MediaTek/mt8196-sof/nau8825-nau8318/sof-mt8196-nau8825-nau8318.conf b/ucm2/MediaTek/mt8196-sof/nau8825-nau8318/sof-mt8196-nau8825-nau8318.conf
new file mode 100644
index 0000000..a83b1ca
--- /dev/null
+++ b/ucm2/MediaTek/mt8196-sof/nau8825-nau8318/sof-mt8196-nau8825-nau8318.conf
@@ -0,0 +1,11 @@
+Comment "MT8196 NAU8825 NAU8318 sound card"
+Syntax 4
+
+SectionUseCase."HiFi" {
+	File "/MediaTek/mt8196-sof/nau8825-nau8318/HiFi.conf"
+	Comment "Default"
+}
+
+Include.card-init.File "/lib/card-init.conf"
+Include.ctl-remap.File "/lib/ctl-remap.conf"
+Include.init.File "/MediaTek/mt8196-sof/init.conf"
diff --git a/ucm2/conf.d/sof-mt8196-nau8/sof-mt8196-nau8825.conf b/ucm2/conf.d/sof-mt8196-nau8/sof-mt8196-nau8825.conf
new file mode 120000
index 0000000..8dfcffc
--- /dev/null
+++ b/ucm2/conf.d/sof-mt8196-nau8/sof-mt8196-nau8825.conf
@@ -0,0 +1 @@
+../../MediaTek/mt8196-sof/nau8825-nau8318/sof-mt8196-nau8825-nau8318.conf
\ No newline at end of file
-- 
2.47.3