mirror of https://github.com/thesofproject/sof.git
84 lines
2.8 KiB
Plaintext
84 lines
2.8 KiB
Plaintext
#
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# Topology for digital microphones array
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#
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include(`platform/intel/dmic.m4')
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# defined in machine driver
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define(DMIC_DAI_LINK_48k_ID, `6')
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define(DMIC_DAI_LINK_16k_ID, `7')
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#
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# Define the pipelines
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#
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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 using max channels defined by CHANNELS.
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# Schedule 48 frames per 1000us deadline on core 0 with priority 0
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PIPELINE_PCM_ADD(sof/pipe-volume-capture.m4,
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DMIC_PIPELINE_48k_ID, DMIC_DAI_LINK_48k_ID, CHANNELS, s32le,
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48, 1000, 0, 0)
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# Passthrough capture pipeline using max channels defined by CHANNELS.
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# Schedule 16 frames per 1000us deadline on core 0 with priority 0
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PIPELINE_PCM_ADD(sof/pipe-volume-capture-16khz.m4,
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DMIC_PIPELINE_16k_ID, DMIC_DAI_LINK_16k_ID, CHANNELS, s32le,
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16, 1000, 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 s32le format, with 48 frame per 1000us on core 0 with priority 0
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DAI_ADD(sof/pipe-dai-capture.m4,
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DMIC_PIPELINE_48k_ID, DMIC, 0, dmic01,
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concat(`PIPELINE_SINK_', DMIC_PIPELINE_48k_ID), 2, s32le,
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48, 1000, 0, 0)
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# capture DAI is DMIC 1 using 2 periods
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# Buffers use s32le format, with 16 frame per 1000us on core 0 with priority 0
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DAI_ADD(sof/pipe-dai-capture.m4,
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DMIC_PIPELINE_16k_ID, DMIC, 1, dmic16k,
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concat(`PIPELINE_SINK_', DMIC_PIPELINE_16k_ID), 2, s32le,
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16, 1000, 0, 0)
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dnl PCM_DUPLEX_ADD(name, pcm_id, playback, capture)
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dnl PCM_CAPTURE_ADD(name, pipeline, capture)
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PCM_CAPTURE_ADD(DMIC48kHz, DMIC_DAI_LINK_48k_ID, concat(`PIPELINE_PCM_', DMIC_PIPELINE_48k_ID))
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PCM_CAPTURE_ADD(DMIC16kHz, DMIC_DAI_LINK_16k_ID, concat(`PIPELINE_PCM_', DMIC_PIPELINE_16k_ID))
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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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ifelse(CHANNELS, 4,
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`DAI_CONFIG(DMIC, 0, DMIC_DAI_LINK_48k_ID, dmic01,
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DMIC_CONFIG(1, 500000, 4800000, 40, 60, 48000,
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DMIC_WORD_LENGTH(s32le), 400, DMIC, 0,
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PDM_CONFIG(DMIC, 0, FOUR_CH_PDM0_PDM1)))',
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`DAI_CONFIG(DMIC, 0, DMIC_DAI_LINK_48k_ID, dmic01,
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DMIC_CONFIG(1, 500000, 4800000, 40, 60, 48000,
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DMIC_WORD_LENGTH(s32le), 400, DMIC, 0,
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PDM_CONFIG(DMIC, 0, STEREO_PDM0)))')
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ifelse(CHANNELS, 4,
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`DAI_CONFIG(DMIC, 1, DMIC_DAI_LINK_16k_ID, dmic16k,
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DMIC_CONFIG(1, 500000, 4800000, 40, 60, 16000,
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DMIC_WORD_LENGTH(s32le), 400, DMIC, 1,
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PDM_CONFIG(DMIC, 1, FOUR_CH_PDM0_PDM1)))',
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`DAI_CONFIG(DMIC, 1, DMIC_DAI_LINK_16k_ID, dmic16k,
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DMIC_CONFIG(1, 500000, 4800000, 40, 60, 16000,
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DMIC_WORD_LENGTH(s32le), 400, DMIC, 1,
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PDM_CONFIG(DMIC, 1, STEREO_PDM0)))')
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