sof/tools/topology/sof-byt-rt5640.m4

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#
# Topology for generic Baytrail board with RT5640.
#
# Include topology builder
include(`utils.m4')
include(`dai.m4')
include(`pipeline.m4')
include(`ssp.m4')
# Include TLV library
include(`common/tlv.m4')
# Include Token library
include(`sof/tokens.m4')
# Include Baytrail DSP configuration
include(`platform/intel/byt.m4')
#
# Define the pipelines
#
# PCM0 ----> volume ---------------+
# |--low latency mixer ----> volume ----> SSP2
# PCM1 -----> volume ----> SRC ----+
#
# PCM0 <---- Volume <---- SSP2
#
# Low Latency playback pipeline 1 on PCM 0 using max 2 channels of s32le.
# Schedule 48 frames per 1000us deadline on core 0 with priority 0
PIPELINE_PCM_ADD(sof/pipe-low-latency-playback.m4,
1, 0, 2, s32le,
48, 1000, 0, 0)
# Low Latency capture pipeline 2 on PCM 0 using max 2 channels of s32le.
# Schedule 48 frames per 1000us deadline on core 0 with priority 0
PIPELINE_PCM_ADD(sof/pipe-low-latency-capture.m4,
2, 0, 2, s32le,
48, 1000, 0, 0)
# PCM Media Playback pipeline 3 on PCM 1 using max 2 channels of s32le.
# Schedule 192 frames per 4000us deadline on core 0 with priority 1
PIPELINE_PCM_ADD(sof/pipe-pcm-media.m4,
3, 1, 2, s32le,
192, 4000, 1, 0)
# Connect pipelines together
SectionGraph."pipe-byt-rt5640" {
index "0"
lines [
# media 0
dapm(PIPELINE_MIXER_1, PIPELINE_SOURCE_3)
]
}
#
# DAI configuration
#
# SSP port 2 is our only pipeline DAI
#
# playback DAI is SSP2 using 2 periods
# Buffers use s24le format, with 48 frame per 1000us on core 0 with priority 0
DAI_ADD(sof/pipe-dai-playback.m4,
1, SSP, 2, SSP2-Codec,
PIPELINE_SOURCE_1, 2, s24le,
48, 1000, 0, 0)
# capture DAI is SSP2 using 2 periods
# Buffers use s24le format, with 48 frame per 1000us on core 0 with priority 0
DAI_ADD(sof/pipe-dai-capture.m4,
2, SSP, 2, SSP2-Codec,
PIPELINE_SINK_2, 2, s24le,
48, 1000, 0, 0)
# PCM Low Latency
PCM_DUPLEX_ADD(Low Latency, 0, PIPELINE_PCM_1, PIPELINE_PCM_2)
#
# BE configurations - overrides config in ACPI if present
#
DAI_CONFIG(SSP, 2, 0, SSP2-Codec,
SSP_CONFIG(I2S, SSP_CLOCK(mclk, 19200000, codec_mclk_in),
SSP_CLOCK(bclk, 2400000, codec_slave),
SSP_CLOCK(fsync, 48000, codec_slave),
SSP_TDM(2, 25, 3, 3),
SSP_CONFIG_DATA(SSP, 2, 24)))