mirror of https://github.com/thesofproject/sof.git
108 lines
2.8 KiB
Plaintext
108 lines
2.8 KiB
Plaintext
`# Topology for generic' PLATFORM `board with' CODEC `on SSP' SSP_NUM
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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(`ssp.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/intel/'PLATFORM`.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 ----> SSP2
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# PCM1 -----> volume -------^
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# PCM0 <---- Volume <---- SSP2
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#
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# Low Latency capture pipeline 2 on PCM 0 using max 2 channels of s16le.
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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, s16le,
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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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# SSP port 2 is our only pipeline DAI
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#
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# playback DAI is SSP2 using 2 periods
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# Buffers use s16le 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, SSP, SSP_NUM, SSP2-Codec,
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NOT_USED_IGNORED, 2, s16le,
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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 s16le.
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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, s16le,
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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 s16le.
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# 10ms 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, s16le,
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10000, 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 SSP2 using 2 periods
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# Buffers use s16le 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, SSP, SSP_NUM, SSP2-Codec,
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PIPELINE_SINK_2, 2, s16le,
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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 - overrides config in ACPI if present
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#
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DAI_CONFIG(SSP, SSP_NUM, 0, SSP2-Codec,
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SSP_CONFIG(I2S, SSP_CLOCK(mclk, 19200000, codec_mclk_in),
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SSP_CLOCK(bclk, 1920000, codec_slave),
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SSP_CLOCK(fsync, 48000, codec_slave),
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SSP_TDM(2, 20, 3, 3),
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SSP_CONFIG_DATA(SSP, 2, 16)))
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VIRTUAL_WIDGET(ssp2 Rx, out_drv, 1)
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VIRTUAL_WIDGET(ssp2 Tx, out_drv, 2)
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