mirror of https://github.com/thesofproject/sof.git
98 lines
2.6 KiB
Plaintext
98 lines
2.6 KiB
Plaintext
#
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# Topology for ApolloLake with direct attach digital microphones array for
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# keyword detection and triggering use case.
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#
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# Include topology builder
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include(`utils.m4')
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include(`dai.m4')
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include(`pipeline.m4')
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# Include TLV library
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include(`common/tlv.m4')
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# Include Token library
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include(`sof/tokens.m4')
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# Include Apollolake DSP configuration
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include(`platform/intel/bxt.m4')
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include(`platform/intel/dmic.m4')
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define(KWD_PERIOD_FRAMES, 320)
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define(KWD_PIPE_SCH_DEADLINE_US, 20000)
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#
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# Define the pipelines
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#
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# PCM 0 <-------+- KPBM 0 <-- B0 <-- DMIC6 (DMIC01)
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# |
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# Keyword <-----+
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dnl PIPELINE_PCM_ADD(pipeline,
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dnl pipe id, pcm, max channels, format,
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dnl frames, deadline, priority, core)
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# Passthrough capture pipeline 1 on PCM 0 using max 2 channels.
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# Schedule 320 frames per 1000us deadline on core 0 with priority 0
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PIPELINE_PCM_ADD(sof/pipe-kfbm-capture.m4,
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1, 0, 2, s16le,
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KWD_PERIOD_FRAMES,
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KWD_PIPE_SCH_DEADLINE_US,
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0, 0)
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#
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# DAIs configuration
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#
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dnl DAI_ADD(pipeline,
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dnl pipe id, dai type, dai_index, dai_be,
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dnl buffer, periods, format,
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dnl frames, deadline, priority, core)
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# capture DAI is DMIC 0 using 2 periods
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# Buffers use s16le format, with 320 frame per 1000us on core 0 with priority 0
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DAI_ADD(sof/pipe-dai-capture.m4,
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1, DMIC, 0, NoCodec-6,
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PIPELINE_SINK_1, 2, s16le,
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KWD_PERIOD_FRAMES,
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KWD_PIPE_SCH_DEADLINE_US,
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0, 0)
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# keyword detector pipe
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dnl PIPELINE_ADD(pipeline,
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dnl pipe id, max channels, format,
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dnl frames, deadline, priority, core)
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PIPELINE_ADD(sof/pipe-detect.m4, 2, 2, s16le,
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KWD_PERIOD_FRAMES,
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KWD_PIPE_SCH_DEADLINE_US,
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0, 0, PIPELINE_SCHED_COMP_1)
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# Connect pipelines together
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SectionGraph."pipe-sof-apl-keyword-detect" {
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index "0"
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lines [
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# keyword detect
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dapm(PIPELINE_SINK_2, PIPELINE_SOURCE_1)
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dapm(PIPELINE_PCM_1, PIPELINE_DETECT_2)
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]
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}
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#
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# BE configurations - overrides config in ACPI if present
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#
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dnl DAI_CONFIG(type, dai_index, link_id, name, ssp_config/dmic_config)
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DAI_CONFIG(DMIC, 0, 6, NoCodec-6,
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dnl DMIC_CONFIG(driver_version, clk_min, clk_mac, duty_min, duty_max,
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dnl sample_rate,
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dnl fifo word length, type, dai_index, pdm controller config)
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DMIC_CONFIG(1, 500000, 4800000, 40, 60, 16000,
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dnl DMIC_WORD_LENGTH(frame_format)
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DMIC_WORD_LENGTH(s16le), DMIC, 0,
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dnl PDM_CONFIG(type, dai_index, num pdm active, pdm tuples list)
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dnl STEREO_PDM0 is a pre-defined pdm config for stereo capture
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PDM_CONFIG(DMIC, 0, STEREO_PDM0)))
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