Signed-off-by: Liam Girdwood liam.r.girdwood@linux.intel.com --- topology/sof/pipe-passthrough-vol-playback.m4 | 93 +++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 topology/sof/pipe-passthrough-vol-playback.m4
diff --git a/topology/sof/pipe-passthrough-vol-playback.m4 b/topology/sof/pipe-passthrough-vol-playback.m4 new file mode 100644 index 0000000..ae2b569 --- /dev/null +++ b/topology/sof/pipe-passthrough-vol-playback.m4 @@ -0,0 +1,93 @@ +# Low Latency Passthrough with volume Pipeline and PCM +# +# Pipeline Endpoints for connection are :- +# +# host PCM_P --> B0 --> Volume 0 --> B1 --> sink DAI0 + +# Include topology builder +include(`local.m4') + + +# +# Components and Buffers +# + +# Host "Passthrough Playback" PCM uses pipeline DMAC and channel +# with 2 sink and 0 source periods +W_PCM_PLAYBACK(Passthrough Playback, PIPELINE_DMAC, PIPELINE_DMAC_CHAN, 2, 0, 2) + +# "Volume" has 2 source and 2 sink periods +W_PGA(Volume, PIPELINE_FORMAT, 2, 2, 2) + +# Playback Buffers +W_BUFFER(0, COMP_BUFFER_SIZE(2, + COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES)) +W_BUFFER(1, COMP_BUFFER_SIZE(2, + COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES)) + +# +# DAI definitions +# +W_DAI_OUT(DAI_SNAME, DAI_TYPE, DAI_INDEX, DAI_FORMAT, 0, DAI_PERIODS, + DAI_PERIODS, dai0p_plat_conf) + +# +# DAI pipeline - always use 0 for DAIs +# +W_PIPELINE(N_DAI_OUT, SCHEDULE_DEADLINE, SCHEDULE_PRIORITY, SCHEDULE_FRAMES, + SCHEDULE_CORE, pipe_dai_schedule_plat) + +# +# Pipeline Graph +# +# host PCM_P --> B0 --> Volume 0 --> B1 --> sink DAI0 + +SectionGraph."pipe-pass-vol-playback-PIPELINE_ID" { + index STR(PIPELINE_ID) + + lines [ + dapm(N_PCM, Passthrough Playback PCM_ID) + dapm(N_BUFFER(0), N_PCM) + dapm(N_PGA(Volume), N_BUFFER(0)) + dapm(N_BUFFER(1), N_PGA(Volume)) + dapm(N_DAI_OUT, N_BUFFER(1)) + ] +} + + +# +# PCM Configuration +# + +SectionPCMCapabilities.STR(Passthrough Playback PCM_ID) { + + formats "S24_LE,S16_LE" + rate_min "48000" + rate_max "48000" + channels_min "2" + channels_max "4" + periods_min "2" + periods_max "16" + period_size_min "192" + period_size_max "16384" + buffer_size_min "65536" + buffer_size_max "65536" +} + +# PCM Passthrough Playback +SectionPCM.STR(PCM PCM_ID) { + + index STR(PIPELINE_ID) + + # used for binding to the PCM + id STR(PCM_ID) + + dai.STR(Passthrough Playback PCM_ID) { + id STR(PCM_ID) + } + + pcm."playback" { + + capabilities STR(Passthrough Playback PCM_ID) + } +}