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[alsa-ucm-conf,2/2] sof-soundwire: Add support for cs42l43/cs35l56 bridge configuration

Message ID 20240624122041.952863-2-ckeepax@opensource.cirrus.com
State New
Headers show
Series [alsa-ucm-conf,1/2] sof-soundwire: Add missing match for cs42l43 speakers | expand

Commit Message

Charles Keepax June 24, 2024, 12:20 p.m. UTC 
The cs42l43 has both a SPI master and an I2S interface, in some
configurations 2 cs35l56 amplifiers are connected to these to provide
bass speakers whilst the cs42l43's internal speaker drivers are used for
the tweeters. Add UCM configuration for this type of system.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
---
 ucm2/sof-soundwire/cs35l56-bridge.conf | 61 ++++++++++++++++++++++++++
 ucm2/sof-soundwire/sof-soundwire.conf  |  2 +-
 2 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 ucm2/sof-soundwire/cs35l56-bridge.conf
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Patch

diff --git a/ucm2/sof-soundwire/cs35l56-bridge.conf b/ucm2/sof-soundwire/cs35l56-bridge.conf
new file mode 100644
index 0000000..6fafc80
--- /dev/null
+++ b/ucm2/sof-soundwire/cs35l56-bridge.conf
@@ -0,0 +1,61 @@ 
+# Use case Configuration for sof-soundwire card
+
+LibraryConfig.remap.Config {
+	ctl.default.map {
+		"name='cs42l43 Bridge Switch'" {
+			"name='AMPL Speaker Switch'".vindex.0 0
+			"name='AMPR Speaker Switch'".vindex.1 0
+		}
+		"name='cs42l43 Bridge Volume'" {
+			"name='AMPL Speaker Volume'".vindex.0 0
+			"name='AMPR Speaker Volume'".vindex.1 0
+		}
+	}
+}
+
+SectionDevice."Speaker" {
+	Comment "Speaker"
+
+	ConflictingDevice [
+		"Headphones"
+	]
+
+	EnableSequence [
+		cset "name='cs42l43 Speaker L Input 1' 'ASPRX1'"
+		cset "name='cs42l43 Speaker R Input 1' 'ASPRX2'"
+		cset "name='cs42l43 ASPTX1 Input' 'DP5RX1'"
+		cset "name='cs42l43 ASPTX2 Input' 'DP5RX2'"
+
+		cset "name='AMPL ASP1 TX1 Source' 'DSP1TX1'"
+		cset "name='AMPL ASP1 TX2 Source' 'None'"
+		cset "name='AMPL ASP1 TX3 Source' 'None'"
+		cset "name='AMPL ASP1 TX4 Source' 'None'"
+
+		cset "name='AMPR ASP1 TX1 Source' 'None'"
+		cset "name='AMPR ASP1 TX2 Source' 'DSP1TX1'"
+		cset "name='AMPR ASP1 TX3 Source' 'None'"
+		cset "name='AMPR ASP1 TX4 Source' 'None'"
+
+		cset "name='cs42l43 Speaker Digital Switch' 1"
+		cset "name='cs42l43 Speaker Digital Volume' 128"
+	]
+
+	DisableSequence [
+		cset "name='cs42l43 Speaker Digital Switch' 0"
+
+		cset "name='AMPL ASP1 TX2 Source' 'None'"
+		cset "name='AMPR ASP1 TX1 Source' 'None'"
+
+		cset "name='cs42l43 ASPTX1 Input' 'None'"
+		cset "name='cs42l43 ASPTX2 Input' 'None'"
+		cset "name='cs42l43 Speaker L Input 1' 'None'"
+		cset "name='cs42l43 Speaker R Input 1' 'None'"
+	]
+
+	Value {
+		PlaybackPriority 100
+		PlaybackPCM "hw:${CardId},0"
+		PlaybackMixer "default:${CardId}"
+		PlaybackMixerElem "cs42l43 Bridge"
+	}
+}
diff --git a/ucm2/sof-soundwire/sof-soundwire.conf b/ucm2/sof-soundwire/sof-soundwire.conf
index 2f61d11..2ede1cd 100644
--- a/ucm2/sof-soundwire/sof-soundwire.conf
+++ b/ucm2/sof-soundwire/sof-soundwire.conf
@@ -21,7 +21,7 @@  Define {
 
 DefineRegex {
 	SpeakerCodec {
-		Regex " spk:([a-z0-9]+((-sdca)|(-spk))?)"
+		Regex " spk:([a-z0-9]+((-sdca)|(-spk)|(-bridge))?)"
 		String "${CardComponents}"
 	}
 	SpeakerChannels {