# # Topology for generic Baytrail board with no codec. # # Include topology builder include(`local.m4') include(`build.m4') # Include TLV library include(`common/tlv.m4') # Include Token library include(`sof/tokens.m4') # Include Baytrail DSP configuration include(`dsps/byt.m4') # # Define the pipelines # # PCM0 ----> volume ---------------+ # |--low latency mixer ----> volume ----> SSP2 # PCM2 ----> SRC -----> volume ----+ # | # Tone -----> volume ----+ # # PCM1 <---- 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 # Use DMAC 0 channel 1 for PCM audio playback data PIPELINE_PCM_ADD(sof/pipe-low-latency-playback.m4, 1, 0, 2, s32le, 48, 1000, 0, 0, 0, 1) # 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 # Use DMAC 0 channel 2 for PCM audio capture data PIPELINE_PCM_ADD(sof/pipe-low-latency-capture.m4, 2, 0, 2, s32le, 48, 1000, 0, 0, 0, 2) # 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 # Use DMAC 0 channel 3 for PCM audio playback data PIPELINE_PCM_ADD(sof/pipe-pcm-media.m4, 3, 1, 2, s32le, 192, 4000, 1, 0, 0, 3) # Tone Playback pipeline 5 using max 2 channels of s32le. # Schedule 192 frames per 4000us deadline on core 0 with priority 2 PIPELINE_ADD(sof/pipe-tone.m4, 5, 2, s32le, 192, 4000, 2, 0) # Connect pipelines together SectionGraph."pipe-byt-rt5640" { index "0" lines [ # media 0 dapm(PIPELINE_MIXER_1, PIPELINE_SOURCE_3) #tone dapm(PIPELINE_MIXER_1, PIPELINE_SOURCE_5) ] } # # 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, 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, PIPELINE_SINK_2, 2, s24le, 48, 1000, 0, 0) # PCM Low Latency PCM_DUPLEX_ADD(Low Latency, 6, 0, 0, PIPELINE_PCM_1, PIPELINE_PCM_2) # # BE configurations - overrides config in ACPI if present # DAI_CONFIG(SSP, 2, Baytrail Audio, I2S, 24, DAI_CLOCK(mclk, 19200000, slave), DAI_CLOCK(bclk, 2400000, slave), DAI_CLOCK(fsync, 48000, slave), DAI_TDM(2, 25, 3, 3))