mirror of https://github.com/thesofproject/sof.git
97 lines
2.5 KiB
Plaintext
97 lines
2.5 KiB
Plaintext
#
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# Topology for i.MX8 with wm8960 codec 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(`sai.m4')
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# Include i.MX8 DSP configuration
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include(`platform/imx/imx8.m4')
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define(KWD_PIPE_SCH_DEADLINE_US, 20000)
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define(DMIC_16k_PCM_NAME, `SAI3')
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# This is for iMX8M PLUS
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#
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# PCM 0 <-------+- KPBM 0 <-- B0 <-- SAI3 (wm8960)
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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 period, priority, core,
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dnl pcm_min_rate, pcm_max_rate, pipeline_rate,
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dnl time_domain, sched_comp)
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# Passthrough capture pipeline 1 on PCM 0 using max 2 channels.
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# Schedule 1000us deadline on core 0 with priority 0
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PIPELINE_PCM_ADD(sof/pipe-kfbm-no-lp-capture.m4,
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1, 0, 2, s16le,
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KWD_PIPE_SCH_DEADLINE_US, 0, 0,
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16000, 16000, 16000)
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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 deadline, priority, core, time_domain)
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# This is for iMX8M PLUS
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# capture DAI is SAI3 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, SAI, 3, sai3-wm8960-hifi,
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PIPELINE_SINK_1, 2, s16le,
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KWD_PIPE_SCH_DEADLINE_US,
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0, 0, SCHEDULE_TIME_DOMAIN_DMA)
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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 period, priority, core,
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dnl sched_comp, time_domain,
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dnl pcm_min_rate, pcm_max_rate, pipeline_rate)
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PIPELINE_ADD(sof/pipe-detect.m4,
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2, 2, s16le,
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KWD_PIPE_SCH_DEADLINE_US, 1, 0,
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PIPELINE_SCHED_COMP_1,
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SCHEDULE_TIME_DOMAIN_TIMER,
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16000, 16000, 16000)
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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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# This is for iMX8M PLUS
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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, sai_config/ssp_config/dmic_config)
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DAI_CONFIG(SAI, 3, 0, sai3-wm8960-hifi,
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SAI_CONFIG(I2S, SAI_CLOCK(mclk, 12288000, codec_mclk_in),
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SAI_CLOCK(bclk, 3072000, codec_master),
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SAI_CLOCK(fsync, 16000, codec_master),
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SAI_TDM(2, 32, 3, 3),
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SAI_CONFIG_DATA(SAI, 3, 0)))
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