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squashfs-root/usr/share/alsa/topology/broadwell/broadwell.conf

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+# Dynamic Firmware Configuration for Broadwell
+
+# TLV
+SectionTLV."hsw_vol_tlv" {
+	Comment "TLV used by both global and stream volumes"
+
+	scale {
+		min "-9000"
+		step "300"
+		mute "1"
+	}
+}
+
+# Controls
+SectionControlMixer."Master Playback Volume" {
+	Comment "Global DSP volume"
+
+	# control belongs to this index group
+	index "1"
+
+	# Channel register and shift for Front Left/Right
+	channel."FL" {
+		reg "0"
+		shift "0"
+	}
+	channel."FR" {
+		reg "0"
+		shift "8"
+	}
+
+	# max control value and whether value is inverted
+	max "31"
+	invert "false"
+
+	# control uses bespoke driver get/put/info ID 0
+	ops."ctl" {
+		info "volsw"
+		get "256"
+		put "256"
+	}
+
+	# uses TLV data above
+	tlv "hsw_vol_tlv"
+}
+
+SectionControlMixer."Media0 Playback Volume" {
+	Comment "Offload 0 volume"
+
+	# control belongs to this index group
+	index "1"
+
+	# Channel register and shift for Front Left/Right
+	channel."FL" {
+		reg "1"
+		shift "0"
+	}
+	channel."FR" {
+		reg "1"
+		shift "8"
+	}
+
+	# max control value and whether value is inverted
+	max "31"
+	invert "false"
+
+	# control uses bespoke driver get/put/info ID 0
+	ops."ctl" {
+		info "volsw"
+		get "257"
+		put "257"
+	}
+
+	# uses TLV data above
+	tlv "hsw_vol_tlv"
+}
+
+SectionControlMixer."Media1 Playback Volume" {
+	Comment "Offload 1 volume"
+
+	# control belongs to this index group
+	index "1"
+
+	# Channel register and shift for Front Left/Right
+	channel."FL" {
+		reg "2"
+		shift "0"
+	}
+	channel."FR" {
+		reg "2"
+		shift "8"
+	}
+
+	# max control value and whether value is inverted
+	max "31"
+	invert "false"
+
+	# control uses bespoke driver get/put/info ID 0
+	ops."ctl" {
+		info "volsw"
+		get "257"
+		put "257"
+	}
+
+	# uses TLV data above
+	tlv "hsw_vol_tlv"
+}
+
+SectionControlMixer."Mic Capture Volume" {
+	Comment "Mic Capture volume"
+
+	# control belongs to this index group
+	index "1"
+
+	# Channel register and shift for Front Left/Right
+	channel."FL" {
+		reg "0"
+		shift "0"
+	}
+	channel."FR" {
+		reg "0"
+		shift "8"
+	}
+
+	# max control value and whether value is inverted
+	max "31"
+	invert "false"
+
+	# control uses bespoke driver get/put/info ID 0
+	ops."ctl" {
+		info "volsw"
+		get "257"
+		put "257"
+	}
+
+	# uses TLV data above
+	tlv "hsw_vol_tlv"
+}
+
+SectionWidget."SSP0 CODEC IN" {
+
+	index "1"
+	type "aif_in"
+	no_pm "true"
+	shift "0"
+	invert "0"
+}
+
+SectionWidget."SSP0 CODEC OUT" {
+
+	index "1"
+	type "aif_out"
+	no_pm "true"
+	shift "0"
+	invert "0"
+}
+
+SectionWidget."SSP1 BT IN" {
+
+	index "1"
+	type "aif_in"
+	no_pm "true"
+	shift "0"
+	invert "0"
+}
+
+SectionWidget."SSP1 BT OUT" {
+
+	index "1"
+	type "aif_out"
+	no_pm "true"
+	shift "0"
+	invert "0"
+}
+
+SectionWidget."Playback VMixer" {
+
+	index "1"
+	type "mixer"
+	no_pm "true"
+	shift "0"
+	invert "0"
+}
+
+# PCM Configurations supported by FW
+SectionPCMConfig."PCM 48k Stereo 24bit" {
+
+	config."playback" {
+		format "S24_LE"
+		rate "48000"
+		channels "2"
+		tdm_slot "0xf"
+	}
+
+	config."capture" {
+		format "S24_LE"
+		rate "48000"
+		channels "2"
+		tdm_slot "0xf"
+	}
+}
+
+SectionPCMConfig."PCM 48k Stereo 16bit" {
+
+	config."playback" {
+		format "S16_LE"
+		rate "48000"
+		channels "2"
+		tdm_slot "0xf"
+	}
+
+	config."capture" {
+		format "S16_LE"
+		rate "48000"
+		channels "2"
+		tdm_slot "0xf"
+	}
+}
+
+SectionPCMConfig."PCM 48k 2P/4C 16bit" {
+
+	config."playback" {
+		format "S16_LE"
+		rate "48000"
+		channels "2"
+		tdm_slot "0xf"
+	}
+
+	config."capture" {
+		format "S16_LE"
+		rate "48000"
+		channels "4"
+		tdm_slot "0xf"
+	}
+}
+
+# PCM capabilities supported by FW
+SectionPCMCapabilities."System Playback" {
+
+	formats "S24_LE,S16_LE"
+	rate_min "48000"
+	rate_max "48000"
+	channels_min "2"
+	channels_max "2"
+}
+
+SectionPCMCapabilities."Analog Capture" {
+
+	formats "S24_LE,S16_LE"
+	rate_min "48000"
+	rate_max "48000"
+	channels_min "2"
+	channels_max "4"
+}
+
+SectionPCMCapabilities."Loopback Capture" {
+
+	formats "S24_LE,S16_LE"
+	rate_min "48000"
+	rate_max "48000"
+	channels_min "2"
+	channels_max "2"
+}
+
+SectionPCMCapabilities."Offload0 Playback" {
+	formats "S24_LE,S16_LE"
+	rate_min "8000"
+	rate_max "192000"
+	channels_min "2"
+	channels_max "2"
+}
+
+SectionPCMCapabilities."Offload1 Playback" {
+	formats "S24_LE,S16_LE"
+	rate_min "8000"
+	rate_max "192000"
+	channels_min "2"
+	channels_max "2"
+}
+
+# PCM devices exported by Firmware
+SectionPCM."System Playback/Capture" {
+
+	index "1"
+
+	# used for binding to the PCM
+	id "0"
+
+	dai."System Pin" {
+		id "0"
+	}
+
+	pcm."playback" {
+
+		capabilities "System Playback"
+
+		configs [
+			"PCM 48k Stereo 24bit"
+			"PCM 48k Stereo 16bit"
+		]
+	}
+
+	pcm."capture" {
+
+		capabilities "Analog Capture"
+
+		configs [
+			"PCM 48k Stereo 24bit"
+			"PCM 48k Stereo 16bit"
+			"PCM 48k 2P/4C 16bit"
+		]
+	}
+}
+
+SectionPCM."Offload0 Playback" {
+
+	index "1"
+
+	# used for binding to the PCM
+	id "1"
+
+	dai."Offload0 Pin" {
+		id "1"
+	}
+
+	pcm."playback" {
+
+		capabilities "Offload0 Playback"
+
+		configs [
+			"PCM 48k Stereo 24bit"
+			"PCM 48k Stereo 16bit"
+		]
+	}
+}
+
+SectionPCM."Offload1 Playback" {
+
+	index "1"
+
+	# used for binding to the PCM
+	id "2"
+
+	dai."Offload1 Pin" {
+		id "2"
+	}
+
+	pcm."playback" {
+
+		capabilities "Offload1 Playback"
+
+		configs [
+			"PCM 48k Stereo 24bit"
+			"PCM 48k Stereo 16bit"
+		]
+	}
+}
+
+SectionPCM."Loopback PCM" {
+
+	index "1"
+
+	# used for binding to the PCM
+	id "3"
+
+	dai."Loopback Pin" {
+		id "3"
+	}
+
+	pcm."capture" {
+
+		capabilities "Loopback Capture"
+
+		configs [
+			"PCM 48k Stereo 24bit"
+			"PCM 48k Stereo 16bit"
+		]
+	}
+}
+
+SectionGraph."dsp" {
+	index "1"
+
+	lines [
+		"Playback VMixer, , System Playback"
+		"Playback VMixer, , Offload0 Playback"
+		"Playback VMixer, , Offload1 Playback"
+		"SSP0 CODEC OUT, , Playback VMixer"
+		"Loopback Capture, , Playback VMixer"
+		"Analog Capture, , SSP0 CODEC IN"
+	]
+}
+
+SectionHWConfig."CodecHWConfig" {
+	id "1"
+	format "I2S"		# physical audio format.
+	bclk   "master"		# Platform is master of bit clock
+	fsync  "master"		# platform is master of fsync
+}
+
+SectionLink."Codec" {
+
+	# used for binding to the physical link
+	id "0"
+
+	hw_configs [
+		"CodecHWConfig"
+	]
+
+	default_hw_conf_id "1"
+}