From 093f6b70daf705f3441d61ecac16f3a8086ea038 Mon Sep 17 00:00:00 2001 From: Zhang Keqiao Date: Wed, 21 Nov 2018 16:06:21 +0800 Subject: [PATCH] topology: add 4-ch dmic topology for ICL Signed-off-by: Zhang Keqiao --- topology/Makefile.am | 3 +- topology/sof-icl-dmic-4ch.m4 | 68 ++++++++++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+), 1 deletion(-) create mode 100644 topology/sof-icl-dmic-4ch.m4 diff --git a/topology/Makefile.am b/topology/Makefile.am index d6809f1..14b9786 100644 --- a/topology/Makefile.am +++ b/topology/Makefile.am @@ -42,7 +42,8 @@ MACHINES = \ sof-apl-eq-pcm512x.tplg \ sof-apl-eq-dmic.tplg \ sof-apl-dmic-2ch.tplg \ - sof-apl-dmic-4ch.tplg + sof-apl-dmic-4ch.tplg \ + sof-icl-dmic-4ch.tplg # Uncomment the following line if you want to debug conf files diff --git a/topology/sof-icl-dmic-4ch.m4 b/topology/sof-icl-dmic-4ch.m4 new file mode 100644 index 0000000..24bbd84 --- /dev/null +++ b/topology/sof-icl-dmic-4ch.m4 @@ -0,0 +1,68 @@ +# +# Topology for ICL 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 <----- DMIC01 (dmic0 capture) +# + +dnl PIPELINE_PCM_ADD(pipeline, +dnl pipe id, pcm, max channels, format, +dnl frames, deadline, priority, core) + + +# Passthrough capture pipeline 1 on PCM 1 using max 4 channels. +# Schedule 48 frames per 1000us deadline on core 0 with priority 0 +PIPELINE_PCM_ADD(sof/pipe-passthrough-capture.m4, + 1, 1, 4, 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, dmic01, + 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, 1, 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, 1, dmic01, + DMIC_CONFIG(1, 500000, 4800000, 40, 60, 48000, + DMIC_WORD_LENGTH(s32le), DMIC, 0, + PDM_CONFIG(DMIC, 0, FOUR_CH_PDM0_PDM1)))