sof-soundwire: Add basic support for cs42l43

cs42l43 is a codec device, add basic support for it. Including a dual
channel DMIC input, stereo headphones, and a mono headset microphone.

Link: https://lore.kernel.org/alsa-devel/20240117142125.1080500-1-ckeepax@opensource.cirrus.com/
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

ucm2/codecs/cs42l43/init.conf

@@ -0,0 +1,14 @@
+# cs42l43 specific control settings
+
+LibraryConfig.remap.Config {
+	ctl.default.map {
+		"name='cs42l43 PDM2 Switch'" {
+			"name='cs42l43 Decimator 3 Switch'".vindex.0 0
+			"name='cs42l43 Decimator 4 Switch'".vindex.1 0
+		}
+		"name='cs42l43 PDM2 Volume'" {
+			"name='cs42l43 Decimator 3 Volume'".vindex.0 0
+			"name='cs42l43 Decimator 4 Volume'".vindex.1 0
+		}
+	}
+}

ucm2/sof-soundwire/cs42l43-dmic.conf

@@ -0,0 +1,26 @@
+# Use case Configuration for sof-soundwire card
+
+SectionDevice."Mic" {
+	Comment "Microphones"
+
+	ConflictingDevice [
+		"Headset"
+	]
+
+	EnableSequence [
+		cset "name='cs42l43 DP1TX1 Input' 'Decimator 3'"
+		cset "name='cs42l43 DP1TX2 Input' 'Decimator 4'"
+	]
+
+	DisableSequence [
+		cset "name='cs42l43 DP1TX1 Input' 'None'"
+		cset "name='cs42l43 DP1TX2 Input' 'None'"
+	]
+
+	Value {
+		CapturePriority 100
+		CapturePCM "hw:${CardId},4"
+		CaptureMixer "default:${CardId}"
+		CaptureMixerElem "cs42l43 PDM2"
+	}
+}

ucm2/sof-soundwire/cs42l43.conf

@@ -0,0 +1,46 @@
+# Use case Configuration for sof-soundwire card
+
+SectionDevice."Headphones" {
+	Comment "Headphones"
+
+	EnableSequence [
+		cset "name='cs42l43 Headphone L Input 1' 'DP5RX1'"
+		cset "name='cs42l43 Headphone R Input 1' 'DP5RX2'"
+	]
+
+	DisableSequence [
+		cset "name='cs42l43 Headphone L Input 1' 'None'"
+		cset "name='cs42l43 Headphone R Input 1' 'None'"
+	]
+
+	Value {
+		PlaybackPriority 200
+		PlaybackPCM "hw:${CardId},0"
+		PlaybackVolume "cs42l43 Headphone Digital Volume"
+		JackControl "Headphone Jack"
+	}
+}
+
+SectionDevice."Headset" {
+	Comment "Headset Microphone"
+
+	EnableSequence [
+		cset "name='cs42l43 ADC1 Input' 'IN1'"
+		cset "name='cs42l43 Decimator 1 Mode' 'ADC'"
+
+		cset "name='cs42l43 DP1TX1 Input' 'Decimator 1'"
+		cset "name='cs42l43 DP1TX2 Input' 'Decimator 1'"
+	]
+
+	DisableSequence [
+		cset "name='cs42l43 DP1TX1 Input' 'None'"
+		cset "name='cs42l43 DP1TX2 Input' 'None'"
+	]
+
+	Value {
+		CapturePriority 200
+		CapturePCM "hw:${CardId},4"
+		CaptureMixerElem "cs42l43 Decimator 1"
+		JackControl "Headset Mic Jack"
+	}
+}

ucm2/sof-soundwire/sof-soundwire.conf

@@ -47,7 +47,7 @@ DefineRegex {
 If.hs_init {
 	Condition {
 		Type RegexMatch
-		Regex "(rt5682|rt700|rt711|rt713(-sdca)?)"
+		Regex "(cs42l43|rt5682|rt700|rt711|rt713(-sdca)?)"
 		String "${var:HeadsetCodec1}"
 	}
 	True.Include.hs_init.File "/codecs/${var:HeadsetCodec1}/init.conf"