[Sound-open-firmware] [PTACH RFC 5/5] topolog: test: add loopback test topology

[Keyon Jie]

On 2018年05月30日 17:51, Xiuli Pan wrote:
> From: Pan Xiuli <xiuli.pan at linux.intel.com>
> 
> Signed-off-by: Pan Xiuli <xiuli.pan at linux.intel.com>
> ---
>   topology/test/test-loopback-ssp.m4 | 94 ++++++++++++++++++++++++++++++++++++++
>   topology/test/tplg-build.sh        |  2 +-
>   2 files changed, 95 insertions(+), 1 deletion(-)
>   create mode 100644 topology/test/test-loopback-ssp.m4
> 
> diff --git a/topology/test/test-loopback-ssp.m4 b/topology/test/test-loopback-ssp.m4
> new file mode 100644

Better to reuse the test-ssp.m4 to avoiding expansion, we only add a 
kcontrol switch to it, and it should be set to be switched off by 
default, which won't influence people who don't wanna touch this 
loopback mode.

Thanks,
~Keyon

> index 0000000..886876f
> --- /dev/null
> +++ b/topology/test/test-loopback-ssp.m4
> @@ -0,0 +1,94 @@
> +#
> +# 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_SSP_PORT	- SSP port number e.g. 2
> +# TEST_SSP_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_SSP_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,
> +	SSP, TEST_SSP_PORT, TEST_SSP_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,
> +	SSP, TEST_SSP_PORT, TEST_SSP_FORMAT, 2)
> +
> +#
> +# DAI configuration
> +#
> +# SSP port TEST_SSP_PORT is our only pipeline DAI
> +#
> +
> +# playback DAI is SSP TEST_SSP_PORT using 2 periods
> +# Buffers use s24le format, with 48 frame per 1000us on core 0 with priority 0
> +DAI_ADD(sof/pipe-dai-loopback.m4,
> +	1, SSP, TEST_SSP_PORT, TEST_DAI_LINK_NAME,
> +	PIPELINE_SOURCE_1, 2, TEST_SSP_FORMAT,
> +	48, 1000, 0, 0)
> +
> +# capture DAI is SSP TEST_SSP_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, SSP, TEST_SSP_PORT, TEST_DAI_LINK_NAME,
> +	PIPELINE_SINK_2, 2, TEST_SSP_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_SSP_PORT
> +#
> +DAI_CONFIG(SSP, TEST_SSP_PORT, TEST_DAI_LINK_NAME, TEST_SSP_MODE, TEST_SSP_DATA_BITS,
> +	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))
> diff --git a/topology/test/tplg-build.sh b/topology/test/tplg-build.sh
> index c88537b..43379d7 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-ssp test-capture-ssp test-playback-ssp)
> +SIMPLE_TESTS=(test-ssp test-capture-ssp test-playback-ssp test-loopback-ssp)
>   TONE_TEST=test-tone-playback-ssp
>   TEST_STRINGS=""
>   M4_STRINGS=""
>