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topology2: UAOL: add development topology for HDA machines and enable 384KHz via offload #11203

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Merged
kv2019i merged 3 commits into from
Sep 16, 2026
Merged

topology2: UAOL: add development topology for HDA machines and enable 384KHz via offload #11203

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13e3f67
topology2: uaol-generic: Make the deep buffer optional
ujfalusi Aug 26, 2026
2505731
topology2: uaol-generic: Advertise 384 kHz
ujfalusi Sep 2, 2026
63f365a
topology2: Add the sof-hda-generic-uaol development topology
ujfalusi Aug 26, 2026
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7 changes: 4 additions & 3 deletions tools/topology/topology2/cavs-uaol.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -68,14 +68,15 @@ Define {
# map, so it is the one count in the range which cannot be run.
UAOL_CHANNELS_MIN 1
UAOL_CHANNELS_MAX 8
# UAOL supports up to 192 kHz
# UAOL supports up to 384 kHz
UAOL_RATE_MIN 8000
UAOL_RATE_MAX 192000
UAOL_RATES '8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000,128000,176400,192000'
UAOL_RATE_MAX 384000
UAOL_RATES '8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000,128000,176400,192000,384000'

# The deep buffer PCM feeds the same mixer as the normal playback PCM. It
# takes the source and the sink as plain widget names, so it repeats the
# pipeline IDs defined above.
UAOL_DEEP_BUFFER 'true'
DEEP_BUFFER_PCM_NAME 'Deepbuffer UAOL'
DEEP_BUFFER_PCM_ID 22
DEEP_BUFFER_PIPELINE_ID 214
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72 changes: 72 additions & 0 deletions tools/topology/topology2/development/sof-hda-generic-uaol.conf
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Original file line number Diff line number Diff line change
@@ -0,0 +1,72 @@
# HDA generic topology extended with the USB Audio Offload Link (UAOL).
#
# Development topology. The UAOL is not part of sof-hda-generic itself: the
# backend of a function which is not present on the machine makes the whole
# topology fail to load, and the UAOL DAIs only exist on ACE2 and newer
# platforms, with a kernel built for USB audio offload. Keeping it separate
# leaves sof-hda-generic loadable everywhere.
#
# Select it with:
# options snd_sof tplg_filename=sof-hda-generic-uaol.tplg
#
# The module parameter also stops the machine driver from appending the -idisp
# suffix, so this topology carries the iDisp backends unconditionally, as
# sof-hda-generic does.
#
# The UAOL function itself lives in platform/intel/uaol-generic.conf, and is
# shared with the cavs-uaol function topology of the sof_sdw card.

<searchdir:include>
<searchdir:include/common>
<searchdir:include/components>
<searchdir:include/dais>
<searchdir:include/pipelines>
<searchdir:include/pipelines/cavs>
<searchdir:platform>
<searchdir:platform/intel>

<sof-hda-generic.conf>

<uaol.conf>
<input_audio_format.conf>
<output_audio_format.conf>

Define {
UAOL_PLAYBACK_PCM 'UAOL Playback'
UAOL_CAPTURE_PCM 'UAOL Capture'
# The two directions are separate DAI links so that the format fixup of
# a link is decided by the DAI copier of that direction alone. The names
# are abbreviated because alsatplg drops widget tuples above 36 characters
# and the dai-copier name is 'dai-copier.UAOL.<name>.<direction>'
UAOL_PB_DAI_NAME 'UAOL0-Play'
UAOL_CP_DAI_NAME 'UAOL0-Cap'
# The BE IDs are the dai link IDs that are matched with the machine
# driver. skl_hda_dsp_generic assigns fixed IDs, so these are the same
# whichever other functions the board has
UAOL_PB_BE_ID 9
UAOL_CP_BE_ID 10
# UAOL_DAI_INDEX is the UAOL link the DSP uses, only link 0 is addressable
UAOL_DAI_INDEX 0
UAOL_PCM_NAME 'UAOL'
UAOL_PCM_ID 21
UAOL_PB_HOST_PIPELINE_ID 210
UAOL_PB_DAI_PIPELINE_ID 211
UAOL_CP_HOST_PIPELINE_ID 212
UAOL_CP_DAI_PIPELINE_ID 213
# Both paths pass through whatever the offloaded USB device asks for, so
# the PCM advertises everything a USB device may support. 7 channels is
# left out of the widget formats, it has no channel config and no channel
# map, so it is the one count in the range which cannot be run.
UAOL_CHANNELS_MIN 1
UAOL_CHANNELS_MAX 8
# UAOL supports up to 384 kHz
UAOL_RATE_MIN 8000
UAOL_RATE_MAX 384000
UAOL_RATES '8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000,128000,176400,192000,384000'

# The HDA playback already has the one deep buffer PCM the topology can
# hold, so the UAOL runs without one here
UAOL_DEEP_BUFFER 'false'
}

<platform/intel/uaol-generic.conf>
5 changes: 5 additions & 0 deletions tools/topology/topology2/development/tplg-targets.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -308,6 +308,11 @@ PREPROCESS_PLUGINS=nhlt,NHLT_BIN=nhlt-sof-tgl-nocodec-crossover.bin,EFX_CROSSOVE
"development/cavs-nocodec-rtcaec\;sof-tgl-nocodec-rtcaec\;PLATFORM=tgl,\
PREPROCESS_PLUGINS=nhlt,NHLT_BIN=nhlt-sof-tgl-nocodec-rtcaec.bin"

# Topology to test the USB audio offload on an HDA machine, load it with
# snd_sof.tplg_filename=sof-hda-generic-uaol.tplg
"development/sof-hda-generic-uaol\;sof-hda-generic-uaol\;HDA_CONFIG=mix,HDA_MIC_ENHANCED_CAPTURE=true,\
EFX_HDA_MIC_TDFB_PARAMS=line2_pass,EFX_HDA_MIC_DRC_PARAMS=passthrough"

# SSP test topology for Data Processing SRC on MTL
"cavs-nocodec\;sof-mtl-nocodec-dp-test\;PLATFORM=mtl,NUM_DMICS=4,PDM1_MIC_A_ENABLE=1,PDM1_MIC_B_ENABLE=1,\
PREPROCESS_PLUGINS=nhlt,NHLT_BIN=nhlt-sof-mtl-nocodec.bin,SRC_DOMAIN=DP"
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18 changes: 16 additions & 2 deletions tools/topology/topology2/include/formats/uaol_input_audio_formats.conf
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Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
# Every format the offloaded USB endpoint can carry: S16_LE, S24_LE and
# S32_LE, 1 to 8 channels and every standard rate from 8 to 192 kHz.
# S32_LE, 1 to 8 channels and every standard rate from 8 to 384 kHz.
#
# 7 channels is left out, it has no channel config and no channel map in
# common_definitions.conf.
num_input_audio_formats 315
num_input_audio_formats 336
CombineArrays.Object.Base.input_audio_format [
{
in_rate [
Expand All @@ -22,6 +22,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 16 ]
in_valid_bit_depth [ 16 ]
Expand All @@ -46,6 +47,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 32 ]
in_valid_bit_depth [ 24 32 ]
Expand All @@ -70,6 +72,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 16 ]
in_valid_bit_depth [ 16 ]
Expand All @@ -94,6 +97,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 32 ]
in_valid_bit_depth [ 24 32 ]
Expand All @@ -118,6 +122,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 16 ]
in_valid_bit_depth [ 16 ]
Expand All @@ -142,6 +147,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 32 ]
in_valid_bit_depth [ 24 32 ]
Expand All @@ -166,6 +172,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 16 ]
in_valid_bit_depth [ 16 ]
Expand All @@ -190,6 +197,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 32 ]
in_valid_bit_depth [ 24 32 ]
Expand All @@ -214,6 +222,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 16 ]
in_valid_bit_depth [ 16 ]
Expand All @@ -238,6 +247,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 32 ]
in_valid_bit_depth [ 24 32 ]
Expand All @@ -262,6 +272,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 16 ]
in_valid_bit_depth [ 16 ]
Expand All @@ -286,6 +297,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 32 ]
in_valid_bit_depth [ 24 32 ]
Expand All @@ -310,6 +322,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 16 ]
in_valid_bit_depth [ 16 ]
Expand All @@ -334,6 +347,7 @@
128000
176400
192000
384000
]
in_bit_depth [ 32 ]
in_valid_bit_depth [ 24 32 ]
Expand Down
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