The testing pipline for 24 bit SRC 48kHz output.
Signed-off-by: Liam Girdwood liam.r.girdwood@linux.intel.com --- topology/sof/pipe-passthrough-src-playback.m4 | 109 ++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 topology/sof/pipe-passthrough-src-playback.m4
diff --git a/topology/sof/pipe-passthrough-src-playback.m4 b/topology/sof/pipe-passthrough-src-playback.m4 new file mode 100644 index 0000000..0ffc2a4 --- /dev/null +++ b/topology/sof/pipe-passthrough-src-playback.m4 @@ -0,0 +1,109 @@ +# Low Latency Passthrough with volume Pipeline and PCM +# +# Pipeline Endpoints for connection are :- +# +# host PCM_P --> SRC --> sink DAI0 + +# Include topology builder +include(`local.m4') + + +# +# Components and Buffers +# + +# Host "Passthrough Playback" PCM uses pipeline DMAC and channel +# with 4 sink and 0 source periods +W_PCM_PLAYBACK(Passthrough Playback, PIPELINE_DMAC, PIPELINE_DMAC_CHAN, 4, 0, 2) + +# +# SRC Configuration +# + +SectionVendorTuples."media_src_tokens" { + tokens "sof_src_tokens" + + tuples."word" { + SOF_TKN_SRC_RATE_OUT "48000" + } +} + +SectionData."media_src_conf" { + tuples "media_src_tokens" +} + +# "SRC" has 4 source and 4 sink periods +W_SRC(0, PIPELINE_FORMAT, 4, 4, media_src_conf, 2) + +# Playback Buffers +W_BUFFER(0, COMP_BUFFER_SIZE(4, + COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES)) +W_BUFFER(1, COMP_BUFFER_SIZE(4, + 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 +# +W_PIPELINE(N_DAI_OUT, SCHEDULE_DEADLINE, SCHEDULE_PRIORITY, SCHEDULE_FRAMES, + SCHEDULE_CORE, 0, pipe_dai_schedule_plat) + +# +# Pipeline Graph +# +# host PCM_P --> B0 --> SRC 0 --> B1 --> sink DAI0 + +SectionGraph."pipe-pass-src-playback-PIPELINE_ID" { + index STR(PIPELINE_ID) + + lines [ + dapm(N_PCM, Passthrough Playback PCM_ID) + dapm(N_BUFFER(0), N_PCM) + dapm(N_SRC(0), N_BUFFER(0)) + dapm(N_BUFFER(1), N_SRC(0)) + dapm(N_DAI_OUT, N_BUFFER(1)) + ] +} + + +# +# PCM Configuration +# + +SectionPCMCapabilities.STR(Passthrough Playback PCM_ID) { + + formats "S32_LE,S24_LE,S16_LE" + rate_min "8000" + rate_max "96000" + 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) + } +}