soft/topology/sof/pipe-passthrough-capture.m4

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# Capture Passthrough Pipeline and PCM
#
# Pipeline Endpoints for connection are :-
#
# host PCM_C <-- B0 <-- sink DAI0
# Include topology builder
include(`local.m4')
#
# Components and Buffers
#
# Host "Passthrough Capture" PCM uses pipeline DMAC and channel
# with 0 sink and 2 source periods
W_PCM_CAPTURE(Passthrough Capture, PIPELINE_DMAC, PIPELINE_DMAC_CHAN, 0, 2, 2)
# Capture Buffers
W_BUFFER(0, COMP_BUFFER_SIZE(2,
COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES),
PLATFORM_PASS_MEM_CAP)
#
# DAI definitions
#
W_DAI_IN(DAI_TYPE, DAI_INDEX, DAI_FORMAT, 0, 2, 2, dai0c_plat_conf)
#
# DAI pipeline - always use 0 for DAIs
#
W_PIPELINE(N_DAI_IN, SCHEDULE_DEADLINE, SCHEDULE_PRIORITY, SCHEDULE_FRAMES, SCHEDULE_CORE, 0, pipe_dai_schedule_plat)
#
# Pipeline Graph
#
# host PCM_C <-- B0 <-- sink DAI0
SectionGraph."pipe-pass-capture-PIPELINE_ID" {
index STR(PIPELINE_ID)
lines [
dapm(Passthrough Capture PCM_ID, N_PCMC)
dapm(N_PCMC, N_BUFFER(0))
]
}
#
# Pipeline Source and Sinks
#
indir(`define', concat(`PIPELINE_SINK_', PIPELINE_ID), N_BUFFER(0))
indir(`define', concat(`PIPELINE_PCM_', PIPELINE_ID), Passthrough Capture PCM_ID)
#
# PCM Configuration
#
SectionPCMCapabilities.STR(Passthrough Capture PCM_ID) {
formats "S32_LE,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"
}