mirror of https://github.com/thesofproject/sof.git
107 lines
2.7 KiB
Plaintext
107 lines
2.7 KiB
Plaintext
#
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# Topology for i.MX8MP board with wm8960 codec demonstrating mixer component
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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(`sai.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 DSP configuration
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include(`platform/imx/imx8qxp.m4')
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#
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# Define the pipelines
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#
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# PCM0 -----> volume -------v
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# low latency mixer ----> volume ----> SAI3
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# PCM1 -----> volume -------^
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# PCM0 <---- Volume <---- SAI3
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#
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# Low Latency capture pipeline 2 on PCM 0 using max 2 channels of s32le.
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# 1000us deadline on core 0 with priority 0
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PIPELINE_PCM_ADD(sof/pipe-low-latency-capture.m4,
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2, 0, 2, s32le,
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1000, 0, 0,
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48000, 48000, 48000)
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#
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# DAI configuration
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#
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# SAI port 3 is our only pipeline DAI
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#
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# playback DAI is SAI3 using 2 periods
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# Buffers use s32le format, 1000us deadline on core 0 with priority 1
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# this defines pipeline 1. The 'NOT_USED_IGNORED' is due to dependencies
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# and is adjusted later with an explicit dapm line.
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DAI_ADD(sof/pipe-mixer-dai-playback.m4,
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1, SAI, 3, sai3-wm8960-hifi,
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NOT_USED_IGNORED, 2, s32le,
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1000, 1, 0, SCHEDULE_TIME_DOMAIN_DMA,
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2, 48000)
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# PCM Playback pipeline 3 on PCM 0 using max 2 channels of s32le.
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# 1000us deadline on core 0 with priority 0
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# this is connected to pipeline DAI 1
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PIPELINE_PCM_ADD(sof/pipe-host-volume-playback.m4,
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3, 0, 2, s32le,
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1000, 0, 0,
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48000, 48000, 48000,
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SCHEDULE_TIME_DOMAIN_DMA,
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PIPELINE_PLAYBACK_SCHED_COMP_1)
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# PCM Playback pipeline 4 on PCM 1 using max 2 channels of s32le.
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# 5ms deadline on core 0 with priority 0
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# this is connected to pipeline DAI 1
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PIPELINE_PCM_ADD(sof/pipe-host-volume-playback.m4,
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4, 1, 2, s32le,
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5000, 0, 0,
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48000, 48000, 48000,
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SCHEDULE_TIME_DOMAIN_DMA,
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PIPELINE_PLAYBACK_SCHED_COMP_1)
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# Connect pipelines together
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SectionGraph."PIPE_NAME" {
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index "0"
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lines [
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# PCM pipeline 3 to DAI pipeline 1
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dapm(PIPELINE_MIXER_1, PIPELINE_SOURCE_3)
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# PCM pipeline 4 to DAI pipeline 1
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dapm(PIPELINE_MIXER_1, PIPELINE_SOURCE_4)
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]
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}
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# capture DAI is SAI3 using 2 periods
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# Buffers use s32le format, 1000us deadline on core 0 with priority 0
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# this is part of pipeline 2
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DAI_ADD(sof/pipe-dai-capture.m4,
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2, SAI, 3, sai3-wm8960-hifi,
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PIPELINE_SINK_2, 2, s32le,
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1000, 0, 0, SCHEDULE_TIME_DOMAIN_DMA)
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# PCM definitions
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PCM_DUPLEX_ADD(PCM, 0, PIPELINE_PCM_3, PIPELINE_PCM_2)
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PCM_PLAYBACK_ADD(PCM Deep Buffer, 1, PIPELINE_PCM_4)
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#
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# BE configurations
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#
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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, 48000, codec_master),
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SAI_TDM(2, 16, 3, 3),
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SAI_CONFIG_DATA(SAI, 3, 0)))
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