48 lines
1.1 KiB
Plaintext
48 lines
1.1 KiB
Plaintext
# Low Latency Passthrough Pipeline and PCM
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#
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# Pipeline Endpoints for connection are :-
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#
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# host PCM_P --> B0 --> sink DAI0
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# Include topology builder
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include(`utils.m4')
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include(`buffer.m4')
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include(`pcm.m4')
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include(`dai.m4')
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include(`pipeline.m4')
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#
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# Components and Buffers
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#
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# Host "Passthrough Playback" PCM
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# with 2 sink and 0 source periods
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W_PCM_PLAYBACK(PCM_ID, Passthrough Playback, 2, 0, 2)
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# Playback Buffers
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W_BUFFER(0, COMP_BUFFER_SIZE(2,
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COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES),
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PLATFORM_PASS_MEM_CAP)
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#
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# Pipeline Graph
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#
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# host PCM_P --> B0 --> sink DAI0
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P_GRAPH(pipe-pass-playback-PIPELINE_ID, PIPELINE_ID,
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LIST(` ',
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`dapm(N_PCMP(PCM_ID), Passthrough Playback PCM_ID)',
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`dapm(N_BUFFER(0), N_PCMP(PCM_ID))'))
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#
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# Pipeline Source and Sinks
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#
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indir(`define', concat(`PIPELINE_SOURCE_', PIPELINE_ID), N_BUFFER(0))
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indir(`define', concat(`PIPELINE_PCM_', PIPELINE_ID), Passthrough Playback PCM_ID)
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#
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# PCM Configuration
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#
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PCM_CAPABILITIES(Passthrough Playback PCM_ID, COMP_FORMAT_NAME(PIPELINE_FORMAT), 48000, 48000, 2, 4, 2, 16, 192, 16384, 65536, 65536)
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