topology: Add test SRC passthrough pipeline

Add a testing SRC passthrough pipeline.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>

topology/Makefile.am

@@ -22,7 +22,10 @@ MACHINES = \
 	reef-bdw-rt5640.tplg \
 	reef-byt-rt5640.tplg \
 	reef-byt-rt5651.tplg \
-	reef-hsw-rt5640.tplg
+	reef-hsw-rt5640.tplg \
+	test-passthrough-24bit-48k-ssp2.tplg \
+	test-passthrough-24bit-48k-vol-ssp2.tplg \
+	test-passthrough-24bit-48k-src-ssp2.tplg
 
 # Uncomment the following line if you want to debug conf files
 .PRECIOUS: %.conf

topology/test-passthrough-24bit-48k-src-ssp2.m4

@@ -0,0 +1,55 @@
+#
+# Topology for pass through pipeline
+#
+
+# 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')
+
+#
+# Machine Specific Config - !! MUST BE SET TO MATCH TEST MACHINE DRIVER !!
+#
+
+# DAI Link Name
+define(`TEST_DAI_LINK_NAME', `Baytrail Audio')
+
+# DAI Link Stream Name
+define(`TEST_DAI_LINK_STREAM_NAME', `Audio')
+
+
+#
+# Define the pipeline
+#
+# PCM0 ---> volume ---> SSP2
+#
+
+# Low Latency 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-passthrough-src-playback.m4,
+	1, 0, 2, s24le, 
+	48, 1000, 0, 0, 0, 1,
+	SSP, 2, TEST_DAI_LINK_STREAM_NAME, s24le, 2)
+
+#
+# BE configurations - overrides config in ACPI if present
+#
+# Clocks masters wrt codec
+#
+# 24bit I2S using 25bit sample conatiner on SSP2
+#
+DAI_CONFIG(SSP, 2, TEST_DAI_LINK_NAME, TEST_DAI_LINK_STREAM_NAME, I2S, 24,
+	DAI_CLOCK(mclk, 19200000, slave),
+	DAI_CLOCK(bclk, 2400000, slave),
+	DAI_CLOCK(fsync, 48000, slave),
+	DAI_TDM(2, 25, 3, 3))