From: Pan Xiuli xiuli.pan@linux.intel.com

Loopback topology will enable SSP DAI loopback mode. This can loopback the SSP data.

Signed-off-by: Pan Xiuli xiuli.pan@linux.intel.com --- Work with patch set: SOF-Kernel: ASoC: SOF: Add debug_mode flag in sof dev ASoC: SOF: debug: add debugmode debugfs for sof_dev debug_mode ASoC: SOF: uapi: topology: Add SOF_TKN_DAI_LBM for ssp loopback mode ASoC: SOF: uapi: ipc: Add lbm in sof_ipc_dai_config ASoC: SOF: topology: Add topology handler for dai config loopback mode ASoC: SOF: add headers for lbm control callback functions ASoC: SOF: add lbm kcontrol callback functions ASoC: SOF: topology: add SSP lbm kcontrol switch create function SOF: dai: add lbm status for dai ipc: dai: add loopback mode handler for dai SOF-Tools: topology: Add SOF_TKN_DAI_LBM for ssp loopback mode topology: m4: Add option for loopback mode in DAI config topology: test: Add loopback topology

test & santity test with: Mininow max rt5651 and UP2 Hifiberry PRO and CNL nocodec SOF master: 792bd414ee5629f72b1e24619510d6936eac28ce SOF-Tool master: bd7dc88231f31d385340310cef467f211a739eeb https://github.com/plbossart/sound/tree/topic/sof-v4.14: 1e0f50565669815dd7daa19021b3b04a90487431

--- topology/test/test-loopback.m4 | 97 ++++++++++++++++++++++++++++++++++++++++++ topology/test/tplg-build.sh | 2 +- 2 files changed, 98 insertions(+), 1 deletion(-) create mode 100644 topology/test/test-loopback.m4

diff --git a/topology/test/test-loopback.m4 b/topology/test/test-loopback.m4 new file mode 100644 index 0000000..4cb96a9 --- /dev/null +++ b/topology/test/test-loopback.m4 @@ -0,0 +1,97 @@ +# +# Topology for pass through pipeline +# + +# Include topology builder +include(`dai.m4') +include(`utils.m4') +include(`pipeline.m4') + +# Include TLV library +include(`common/tlv.m4') + +# Include Token library +include(`sof/tokens.m4') + +# Include Baytrail DSP configuration +include(`dsps/byt.m4') + +# +# Machine Specific Config - !! MUST BE SET TO MATCH TEST MACHINE DRIVER !! +# +# TEST_PIPE_NAME - Pipe name +# TEST_DAI_LINK_NAME - BE DAI link name e.g. "NoCodec" +# TEST_DAI_PORT - SSP port number e.g. 2 +# TEST_DAI_FORMAT - SSP data format e.g s16le +# TEST_PIPE_FORMAT - Pipeline format e.g. s16le +# TEST_SSP_MCLK - SSP BCLK in Hz +# TEST_SSP_BCLK - SSP BCLK in Hz +# TEST_SSP_PHY_BITS - SSP physical slot size +# TEST_SSP_DATA_BITS - SSP data slot size +# TEST_SSP_MODE - SSP mode e.g. I2S, LEFT_J, DSP_A and DSP_B +# + +# +# Define the pipeline +# +# PCM0 <-- TEST_PIPE_NAME pipe --> SSP TEST_DAI_PORT +# + +# Passthrough playback pipeline 1 on PCM 0 using max 2 channels of s24le. +# Schedule 48 frames per 1000us deadline on core 0 with priority 0 +# Use DMAC 0 channel 1 for PCM audio playback data + +PIPELINE_PCM_DAI_ADD(sof/pipe-TEST_PIPE_NAME-playback.m4, + 1, 0, 2, TEST_PIPE_FORMAT, + 48, 1000, 0, 0, 0, 1, + TEST_DAI_TYPE, TEST_DAI_PORT, TEST_DAI_FORMAT, 2) + + +# Passthrough playback pipeline 2 on PCM 0 using max 2 channels of s24le. +# Schedule 48 frames per 1000us deadline on core 0 with priority 0 +# Use DMAC 0 channel 1 for PCM audio playback data + +PIPELINE_PCM_DAI_ADD(sof/pipe-TEST_PIPE_NAME-capture.m4, + 2, 0, 2, TEST_PIPE_FORMAT, + 48, 1000, 0, 0, 0, 1, + TEST_DAI_TYPE, TEST_DAI_PORT, TEST_DAI_FORMAT, 2) + +# +# DAI configuration +# +# SSP port TEST_DAI_PORT is our only pipeline DAI +# + +# playback DAI is SSP TEST_DAI_PORT 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, TEST_DAI_TYPE, TEST_DAI_PORT, TEST_DAI_LINK_NAME, + PIPELINE_SOURCE_1, 2, TEST_DAI_FORMAT, + 48, 1000, 0, 0) + +# capture DAI is SSP TEST_DAI_PORT 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, TEST_DAI_TYPE, TEST_DAI_PORT, TEST_DAI_LINK_NAME, + PIPELINE_SINK_2, 2, TEST_DAI_FORMAT, + 48, 1000, 0, 0) + +# PCM Passthrough +PCM_DUPLEX_ADD(Passthrough, 3, 0, 0, PIPELINE_PCM_1, PIPELINE_PCM_2) + +# +# BE configurations - overrides config in ACPI if present +# +# Clocks masters wrt codec +# +# TEST_SSP_DATA_BITS bit I2S using TEST_SSP_PHY_BITS bit sample conatiner on SSP TEST_DAI_PORT +# +DAI_CONFIG(TEST_DAI_TYPE, TEST_DAI_PORT, 0, TEST_DAI_LINK_NAME, + SSP_CONFIG(TEST_SSP_MODE, + DAI_CLOCK(mclk, TEST_SSP_MCLK, codec_mclk_in), + DAI_CLOCK(bclk, TEST_SSP_BCLK, codec_slave), + DAI_CLOCK(fsync, 48000, codec_slave), + DAI_TDM(2, TEST_SSP_PHY_BITS, 3, 3), + SSP_SAMPLE_BITS(TEST_DAI_TYPE, TEST_DAI_PORT, + TEST_SSP_DATA_BITS)), + "TRUE") diff --git a/topology/test/tplg-build.sh b/topology/test/tplg-build.sh index 6721768..facbe17 100755 --- a/topology/test/tplg-build.sh +++ b/topology/test/tplg-build.sh @@ -12,7 +12,7 @@ export M4PATH="../:../m4:../common"

# Simple component test cases # can be used on components with 1 sink and 1 source. -SIMPLE_TESTS=(test-all test-capture test-playback) +SIMPLE_TESTS=(test-all test-capture test-playback test-loopback) TONE_TEST=test-tone-playback DMIC_TEST=test-capture TEST_STRINGS=""