csu3_am335x/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/share/alsa/topology/broadwell/broadwell.conf

# 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"
	]
}