Tools: Topology: Add deep buffer capture for DMIC #10393
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,111 @@ | ||
| # | ||
| # FE capture pipeline: deepbuffer-capture | ||
| # | ||
| # All attributes defined herein are namespaced | ||
| # by alsatplg to "Object.Pipeline.deepbuffer-capture.N.attribute_name" | ||
| # | ||
| # Usage: deepbuffer-capture pipeline object can be instantiated as: | ||
| # | ||
| # Object.Pipeline.deepbuffer-capture."N" { | ||
| # period 1000 | ||
| # time_domain "timer" | ||
| # } | ||
| # | ||
| # Where N is the unique pipeline ID within the same alsaconf node. | ||
| # | ||
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| <include/common/input_audio_format.conf> | ||
| <include/common/output_audio_format.conf> | ||
| <include/components/host-copier.conf> | ||
| <include/components/pipeline.conf> | ||
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| Class.Pipeline."deepbuffer-capture" { | ||
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| <include/pipelines/pipeline-common.conf> | ||
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| attributes { | ||
| !constructor [ | ||
| "index" | ||
| ] | ||
|
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| !immutable [ | ||
| "direction" | ||
| ] | ||
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| # | ||
| # deepbuffer-capture objects instantiated within the same alsaconf node must have | ||
| # unique pipeline_id attribute | ||
| # | ||
| unique "instance" | ||
| } | ||
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| Object.Widget { | ||
| host-copier."1" { | ||
| type "aif_out" | ||
| node_type $HDA_HOST_INPUT_CLASS | ||
| deep_buffer_dma_ms $DEEPBUFFER_FW_DMA_MS | ||
| num_input_pins 1 | ||
| num_input_audio_formats 2 | ||
| num_output_audio_formats 6 | ||
| # Input sample format is always 32-bit for capture | ||
| Object.Base.input_audio_format [ | ||
| { | ||
| in_bit_depth 32 | ||
| in_valid_bit_depth 32 | ||
| } | ||
| { | ||
| in_bit_depth 32 | ||
| in_valid_bit_depth 32 | ||
| in_channels 4 | ||
| in_ch_cfg $CHANNEL_CONFIG_3_POINT_1 | ||
| in_ch_map $CHANNEL_MAP_3_POINT_1 | ||
| } | ||
| ] | ||
| Object.Base.output_audio_format [ | ||
| { | ||
| out_bit_depth 32 | ||
| out_valid_bit_depth 24 | ||
| } | ||
| { | ||
| out_bit_depth 32 | ||
| out_valid_bit_depth 32 | ||
| } | ||
| { | ||
| out_bit_depth 16 | ||
| out_valid_bit_depth 16 | ||
| } | ||
| { | ||
| out_bit_depth 32 | ||
| out_valid_bit_depth 24 | ||
| out_channels 4 | ||
| out_ch_cfg $CHANNEL_CONFIG_3_POINT_1 | ||
| out_ch_map $CHANNEL_MAP_3_POINT_1 | ||
| } | ||
| { | ||
| out_bit_depth 32 | ||
| out_valid_bit_depth 32 | ||
| out_channels 4 | ||
| out_ch_cfg $CHANNEL_CONFIG_3_POINT_1 | ||
| out_ch_map $CHANNEL_MAP_3_POINT_1 | ||
| } | ||
| { | ||
| out_bit_depth 16 | ||
| out_valid_bit_depth 16 | ||
| out_channels 4 | ||
| out_ch_cfg $CHANNEL_CONFIG_3_POINT_1 | ||
| out_ch_map $CHANNEL_MAP_3_POINT_1 | ||
| } | ||
| ] | ||
| } | ||
|
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| pipeline."1" { | ||
| priority 0 | ||
| # enable lp mode | ||
| lp_mode 1 | ||
| } | ||
| } | ||
|
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| direction "capture" | ||
| dynamic_pipeline 1 | ||
| time_domain "timer" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| Object.Pipeline.deepbuffer-capture [ | ||
| { | ||
| format $FORMAT | ||
| index $DMIC0_DEEP_BUFFER_PIPELINE_ID | ||
| Object.Widget.pipeline.1 { | ||
| stream_name "$DMIC0_DEEP_BUFFER_PCM_NAME" | ||
| } | ||
| Object.Widget.host-copier.1 { | ||
| stream_name $DMIC0_DEEP_BUFFER_PCM_NAME | ||
| pcm_id $DMIC0_DEEP_BUFFER_PCM_ID | ||
| num_input_audio_formats 2 | ||
| Object.Base.input_audio_format [ | ||
| { | ||
| in_rate $DMIC0_RATE | ||
| in_bit_depth 32 | ||
| in_valid_bit_depth 32 | ||
| } | ||
| { | ||
| in_rate $DMIC0_RATE | ||
| in_channels 4 | ||
| in_bit_depth 32 | ||
| in_valid_bit_depth 32 | ||
| in_ch_cfg $CHANNEL_CONFIG_3_POINT_1 | ||
| in_ch_map $CHANNEL_MAP_3_POINT_1 | ||
| } | ||
| ] | ||
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| num_output_audio_formats 6 | ||
| Object.Base.output_audio_format [ | ||
| { | ||
| out_rate $DMIC0_RATE | ||
| out_bit_depth 16 | ||
| out_valid_bit_depth 16 | ||
| } | ||
| { | ||
| out_rate $DMIC0_RATE | ||
| out_bit_depth 32 | ||
| out_valid_bit_depth 24 | ||
| } | ||
| { | ||
| out_rate $DMIC0_RATE | ||
| out_bit_depth 32 | ||
| out_valid_bit_depth 32 | ||
| } | ||
| { | ||
| out_rate $DMIC0_RATE | ||
| out_channels 4 | ||
| out_bit_depth 16 | ||
| out_valid_bit_depth 16 | ||
| out_ch_cfg $CHANNEL_CONFIG_3_POINT_1 | ||
| out_ch_map $CHANNEL_MAP_3_POINT_1 | ||
| } | ||
| { | ||
| out_rate $DMIC0_RATE | ||
| out_channels 4 | ||
| out_bit_depth 32 | ||
| out_valid_bit_depth 24 | ||
| out_ch_cfg $CHANNEL_CONFIG_3_POINT_1 | ||
| out_ch_map $CHANNEL_MAP_3_POINT_1 | ||
| } | ||
| { | ||
| out_rate $DMIC0_RATE | ||
| out_channels 4 | ||
| out_bit_depth 32 | ||
| out_valid_bit_depth 32 | ||
| out_ch_cfg $CHANNEL_CONFIG_3_POINT_1 | ||
| out_ch_map $CHANNEL_MAP_3_POINT_1 | ||
| } | ||
| ] | ||
| } | ||
| } | ||
|
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| ] | ||
| Object.PCM.pcm [ | ||
| { | ||
| name "$DMIC0_DEEP_BUFFER_PCM_NAME" | ||
| id $DMIC0_DEEP_BUFFER_PCM_ID | ||
| direction "capture" | ||
| capture_compatible_d0i3 $DEEPBUFFER_D0I3_COMPATIBLE | ||
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| Object.Base.fe_dai."$DMIC0_DEEP_BUFFER_PCM_NAME" {} | ||
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| Object.PCM.pcm_caps."capture" { | ||
| name $DMIC0_DEEP_BUFFER_PCM_NAME | ||
| formats 'S16_LE,S24_LE,S32_LE' | ||
| channels_min $NUM_DMICS | ||
| channels_max $NUM_DMICS | ||
| # To avoid DMA spinning on a buffer we need bigger | ||
| # buffer than the host buffer size, let's say twice as | ||
| # big | ||
| # (S16_LE, Stereo, 48KHz, DEEPBUFFER_FW_DMA_MS) * 2 | ||
| # | ||
| # Note: The lower limit for the buffer size is rate | ||
| # dependent | ||
| IncludeByKey.DMIC0_RATE { | ||
| "16000" { | ||
| buffer_size_min "$[(((2 * $NUM_DMICS) * 16) * $DEEPBUFFER_FW_DMA_MS) * 2]" | ||
| rates '16000' | ||
| } | ||
| "48000" { | ||
| buffer_size_min "$[(((2 * $NUM_DMICS) * 48) * $DEEPBUFFER_FW_DMA_MS) * 2]" | ||
| rates '48000' | ||
| } | ||
| "96000" { | ||
| buffer_size_min "$[(((2 * $NUM_DMICS) * 96) * $DEEPBUFFER_FW_DMA_MS) * 2]" | ||
| rates '96000' | ||
| } | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| Object.Base.route [ | ||
| { | ||
| source "module-copier.$DMIC0_DAI_PIPELINE_ID.2" | ||
| sink "host-copier.$DMIC0_DEEP_BUFFER_PCM_ID.capture" | ||
| } | ||
| ] | ||
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The route configuration references 'module-copier.$DMIC0_DAI_PIPELINE_ID.2' but there is no comment explaining what the '.2' suffix represents or why this specific instance is used. Adding a brief comment would improve maintainability.