# # Topology for generic Broadwell 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 Broadwell DSP configuration include(`platform/intel/bdw.m4') # # Define the pipelines # # PCM0 ----> volume ---------------+ # |--low latency mixer ----> volume ----> SSP0 # PCM1 -----> volume ----> SRC ----+ # # PCM0 <---- Volume <---- SSP0 # # 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 96 frames per 2000us deadline on core 0 with priority 1 PIPELINE_PCM_ADD(sof/pipe-pcm-media.m4, 3, 1, 2, s32le, 96, 2000, 1, 0) # Connect pipelines together SectionGraph."pipe-bdw-rt5640" { index "0" lines [ # media 0 dapm(PIPELINE_MIXER_1, PIPELINE_SOURCE_3) ] } # # DAI configuration # # SSP port 0 is our only pipeline DAI # # playback DAI is SSP0 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, 0, Codec, PIPELINE_SOURCE_1, 2, s24le, 48, 1000, 0, 0) # capture DAI is SSP0 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, 0, 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, 0, 0, Codec, SSP_CONFIG(I2S, SSP_CLOCK(mclk, 24000000, 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, 0, 24)))