# # Topology for Apollo Lake with direct attach digital microphones array # # Include topology builder include(`utils.m4') include(`dai.m4') include(`pipeline.m4') # Include TLV library include(`common/tlv.m4') # Include Token library include(`sof/tokens.m4') # Include Apollolake DSP configuration include(`platform/intel/bxt.m4') include(`platform/intel/dmic.m4') # # Define the pipelines # # PCM6 <---- volume <----- DMIC6 (DMIC01) # dnl PIPELINE_PCM_ADD(pipeline, dnl pipe id, pcm, max channels, format, dnl frames, deadline, priority, core) # Passthrough capture pipeline 1 on PCM 6 using max 2 channels. # Schedule 48 frames per 1000us deadline on core 0 with priority 0 PIPELINE_PCM_ADD(sof/pipe-passthrough-capture.m4, 1, 6, 2, s32le, 48, 1000, 0, 0) # # DAIs configuration # dnl DAI_ADD(pipeline, dnl pipe id, dai type, dai_index, dai_be, dnl buffer, periods, format, dnl frames, deadline, priority, core) # capture DAI is DMIC 0 using 2 periods # Buffers use s32le format, with 48 frame per 1000us on core 0 with priority 0 DAI_ADD(sof/pipe-dai-capture.m4, 1, DMIC, 0, NoCodec-6, PIPELINE_SINK_1, 2, s32le, 48, 1000, 0, 0) dnl PCM_DUPLEX_ADD(name, pcm_id, playback, capture) dnl PCM_CAPTURE_ADD(name, pipeline, capture) PCM_CAPTURE_ADD(DMIC01, 6, PIPELINE_PCM_1) # # BE configurations - overrides config in ACPI if present # dnl DAI_CONFIG(type, dai_index, link_id, name, ssp_config/dmic_config) DAI_CONFIG(DMIC, 0, 6, NoCodec-6, dnl DMIC_CONFIG(driver_version, clk_min, clk_mac, duty_min, duty_max, dnl sample_rate, dnl fifo word length, type, dai_index, pdm controller config) DMIC_CONFIG(1, 500000, 4800000, 40, 60, 48000, dnl DMIC_WORD_LENGTH(frame_format) DMIC_WORD_LENGTH(s32le), DMIC, 0, dnl PDM_CONFIG(type, dai_index, num pdm active, pdm tuples list) dnl STEREO_PDM0 is a pre-defined pdm config for stereo capture PDM_CONFIG(DMIC, 0, STEREO_PDM0)))