first commit

external/packages/bsp/rk3588/usr/share/alsa/ucm2/README.md

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+Use Case Configuration files
+----------------------------
+
+Library directories:
+
+  platforms/
+  codecs/
+  dsps/
+
+Those directories are not inspected for the list of
+available UCM configurations. They contain files
+included from other UCMs.
+
+Syntax, value names
+-------------------
+
+https://git.alsa-project.org/?p=alsa-lib.git;a=blob;f=include/use-case.h

external/packages/bsp/rk3588/usr/share/alsa/ucm2/rockchip-dp0/Hdmi.conf

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+# Usecase for device HDMI0/Display Port stereo playback on rockchip platforms
+# For Audio in I2S mode
+
+SectionDevice."DP0" {
+	Comment "DP Port"
+
+	Value {
+		PlaybackPriority 500
+		PlaybackPCM "hw:${CardId}"
+		If.1 {
+			Condition {
+				Type ControlExists
+				Control "iface=CARD,name='rockchip-dp0 Jack'"
+			}
+			True {
+				JackControl "rockchip-dp0 Jack"
+			}
+			False {
+				JackControl "rockchip-dp0 Jack"
+			}
+		}
+	}
+}

external/packages/bsp/rk3588/usr/share/alsa/ucm2/rockchip-dp0/rockchip-dp0.conf

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+Syntax 2
+
+Comment "Rockchip DP card"
+
+SectionUseCase."HDMI" {
+	File "Hdmi.conf"
+	Comment "DP Port"
+}

external/packages/bsp/rk3588/usr/share/alsa/ucm2/rockchip-es8388/HiFi.conf

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+SectionVerb {
+	Value {
+		MinBufferLevel "512"
+	}
+
+	EnableSequence [
+		cset "name='Speaker Switch' off"
+		cset "name='Headphone Switch' off"
+		cset "name='Headset Mic Switch' off"
+		cset "name='Main Mic Switch' off"
+		cset "name='Speaker Switch' off"
+		cset "name='Headphone Switch' off"
+		cset "name='Headset Mic Switch' off"
+		cset "name='Main Mic Switch' off"
+		cset "name='PCM Volume' 192"
+		cset "name='Output 1 Playback Volume' 27"
+		cset "name='Output 2 Playback Volume' 27"
+		cset "name='Capture Digital Volume' 192"
+		cset "name='Left Channel Capture Volume' 3"
+		cset "name='Right Channel Capture Volume' 3"
+		cset "name='Left Mixer Left Playback Switch' on"
+		cset "name='Right Mixer Right Playback Switch' on"
+		cset "name='Capture Mute' off"
+		cset "name='Right PGA Mux' DifferentialR"
+		cset "name='Left PGA Mux' DifferentialL"
+	]
+}
+
+SectionDevice."Speaker" {
+	Comment "Speaker"
+
+	ConflictingDevice [
+		"Headphones"
+	]
+
+	Value {
+		PlaybackPriority 100
+		PlaybackPCM "hw:${CardId}"
+	}
+
+	EnableSequence [
+		cset "name='Speaker Switch' on"
+	]
+
+	DisableSequence [
+		cset "name='Speaker Switch' off"
+	]
+}
+
+SectionDevice."Mic" {
+	Comment "Internal Microphone"
+
+	ConflictingDevice [
+		"Headset"
+	]
+
+	Value {
+		CapturePriority 100
+		CapturePCM "hw:${CardId}"
+	}
+
+	EnableSequence [
+		cset "name='Differential Mux' Line 2"
+		cset "name='Main Mic Switch' on"
+	]
+
+	DisableSequence [
+		cset "name='Main Mic Switch' off"
+	]
+}
+
+SectionDevice."Headphones" {
+	Comment "Headphones"
+
+	ConflictingDevice [
+		"Speaker"
+	]
+
+	Value {
+		PlaybackPriority 200
+		PlaybackPCM "hw:${CardId}"
+		JackControl "Headphone Jack"
+		JackHWMute "Speaker"
+	}
+
+	EnableSequence [
+		cset "name='Headphone Switch' on"
+	]
+	DisableSequence [
+		cset "name='Headphone Switch' off"
+	]
+}
+
+SectionDevice."Headset" {
+	Comment "Headset Microphone"
+
+	ConflictingDevice [
+		"Mic"
+	]
+
+	Value {
+		CapturePriority 200
+		CapturePCM "hw:${CardId}"
+		JackControl "Headset Mic Jack"
+		JackHWMute "Mic"
+	}
+
+	EnableSequence [
+		cset "name='Differential Mux' Line 1"
+		cset "name='Headset Mic Switch' on"
+	]
+
+	DisableSequence [
+		cset "name='Headset Mic Switch' off"
+	]
+}

external/packages/bsp/rk3588/usr/share/alsa/ucm2/rockchip-es8388/rockchip-es8388.conf

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+Syntax 2
+
+Comment "Rockchip ES8388 card"
+
+SectionUseCase."HiFi" {
+	File "HiFi.conf"
+	Comment "Default"
+}

external/packages/bsp/rk3588/usr/share/alsa/ucm2/rockchip-hdmi0/Hdmi.conf

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+# Usecase for device HDMI0/Display Port stereo playback on rockchip platforms
+# For Audio in I2S mode
+
+SectionDevice."HDMI0" {
+	Comment "HDMI"
+
+	Value {
+		PlaybackPriority 300
+		PlaybackPCM "hw:${CardId}"
+		If.1 {
+			Condition {
+				Type ControlExists
+				Control "iface=CARD,name='rockchip-hdmi0 Jack'"
+			}
+			True {
+				#JackControl "rockchip-hdmi0 Jack"
+			}
+			False {
+				#JackControl "rockchip-hdmi0 Jack"
+			}
+		}
+	}
+}

external/packages/bsp/rk3588/usr/share/alsa/ucm2/rockchip-hdmi0/rockchip-hdmi0.conf

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+Syntax 2
+
+Comment "Rockchip HDMI card"
+
+SectionUseCase."HDMI" {
+	File "Hdmi.conf"
+	Comment "HDMI"
+}

external/packages/bsp/rk3588/usr/share/alsa/ucm2/ucm.conf

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+#
+# This is the toplevel file included from the alsa-lib.
+#
+# It allows to add extra lookups for the old kernels or so.
+#
+# You may specify the directory (relative to the toplevel) and
+# the master configuration file which defines the verbs.
+#
+
+#
+# Syntax version is reset for the master configuration file.
+#
+
+Syntax 3
+
+Define.V1 ""		# non-empty string to enable ucm v1 paths
+Define.V2Module yes	# empty string to disable
+Define.V2Name yes	# empty string to disable
+
+If.driver {
+	Condition {
+		Type String
+		Empty "${CardNumber}"
+	}
+	True {
+		#
+		# The probed path for no-hw-card:
+		#
+		#   ucm2/${OpenName}/${OpenName}.conf
+		#
+		UseCasePath {
+			legacy {
+				Directory "${OpenName}"
+				File "${OpenName}.conf"
+			}
+		}
+	}
+	False {
+
+		#
+		# The probed path when hw-card is found:
+		#
+		#   ucm2/${KernelModule}/${KernelModule}.conf
+		#   ucm2/${CardDriver}/${CardLongName}.conf
+		#   ucm2/${CardDriver}/${CardDriver}.conf
+		#
+
+		If.V2Module {
+			Condition {
+				Type String
+				Empty "${var:V2Module}"
+			}
+			False {
+				Define.KernelModulePath "class/sound/card${CardNumber}/device/driver"
+				Define.KernelModule "${sys:$KernelModulePath}"
+				UseCasePath.module {
+					Directory "module"
+					File "${var:KernelModule}.conf"
+				}
+			}
+		}
+		If.V2Name {
+			Condition {
+				Type String
+				Empty "${var:V2Name}"
+			}
+			False.UseCasePath {
+				longname {
+					Directory "${CardDriver}"
+					File "${CardLongName}.conf"
+				}
+				driver {
+					Directory "${CardDriver}"
+					File "${CardDriver}.conf"
+				}
+			}
+		}
+	}
+}
+
+If.V1 {
+	Condition {
+		Type String
+		Empty "${var:V1}"
+	}
+	False.If.v1_driver {
+		Condition {
+			Type String
+			Empty "${CardNumber}"
+		}
+		True {
+			#
+			# The probed path for no-hw-card:
+			#
+			#   ucm/${OpenName}/${OpenName}.conf
+			#
+			UseCasePath.v1_legacy {
+				Version 1
+				Directory "${OpenName}"
+				File "${OpenName}.conf"
+			}
+		}
+		False {
+			#
+			# The ucm v1 probed path when hw-card is found:
+			#
+			#   ucm/${CardLongName}/${CardLongName}.conf
+			#   ucm/${CardName}/${CardName}.conf or \
+			#			ucm/${OpenName}/${OpenName}.conf
+			#
+			UseCasePath.v1_longname {
+				Version 1
+				Directory "${CardLongName}"
+				File "${CardLongName}.conf"
+			}
+			If.v1_hw {
+				Condition {
+					Type String
+					Haystack "${OpenName}"
+					Needle "hw:"
+				}
+				True.UseCasePath.v1_cardnamme {
+					Version 1
+					Directory "${CardName}"
+					File "${CardName}.conf"
+				}
+				False.UseCasePath.v1_openname {
+					Version 1
+					Directory "${OpenName}"
+					File "${OpenName}.conf"
+				}
+			}
+		}
+	}
+}