topology: add dmic to sof-apl-pcm512x

topology/sof-apl-pcm512x.m4

@@ -16,11 +16,13 @@ include(`sof/tokens.m4')
 
 # Include Apollolake DSP configuration
 include(`platform/intel/bxt.m4')
+include(`platform/intel/dmic.m4')
 
 #
 # Define the pipelines
 #
 # PCM0 ----> volume -----> SSP5 (pcm512x)
+# PCM1 <---- volume <----- DMIC0
 #
 
 # Low Latency playback pipeline 1 on PCM 0 using max 2 channels of s32le.
@@ -29,6 +31,13 @@ PIPELINE_PCM_ADD(sof/pipe-volume-playback.m4,
 	1, 0, 2, s32le,
 	48, 1000, 0, 0)
 
+# Low Latency capture pipeline 2 on PCM 1 using max 4 channels of s32le.
+# Schedule 48 frames per 1000us deadline on core 0 with priority 0
+PIPELINE_PCM_ADD(sof/pipe-volume-capture.m4,
+	2, 1, 4, s32le,
+	48, 1000, 0, 0)
+
+
 #
 # DAIs configuration
 #
@@ -40,8 +49,18 @@ DAI_ADD(sof/pipe-dai-playback.m4,
 	PIPELINE_SOURCE_1, 2, s24le,
 	48, 1000, 0, 0)
 
+# capture DAI is DMIC0 using 2 periods
+# Buffers use s32le format, with 48 frame per 1000us on core 0 with priority 0
+DAI_ADD(sof/pipe-dai-capture.m4,
+	2, DMIC, 0, DMIC0,
+	PIPELINE_SINK_2, 2, s32le,
+	48, 1000, 0, 0)
+
+
+
 # PCM Low Latency, id 0
-PCM_PLAYBACK_ADD(Port5, 0, 0, 0, PIPELINE_PCM_1, PIPELINE_PCM_2)
+PCM_PLAYBACK_ADD(Port5, 0, 0, 0, PIPELINE_PCM_1)
+PCM_CAPTURE_ADD(Dmic0, 1, 1, 1, PIPELINE_PCM_2)
 
 #
 # BE configurations - overrides config in ACPI if present
@@ -53,3 +72,8 @@ DAI_CONFIG(SSP, 5, 0, SSP5-Codec,
 		SSP_CLOCK(fsync, 48000, codec_slave),
 		SSP_TDM(2, 32, 3, 3),
 		SSP_CONFIG_DATA(SSP, 5, 24)))
+
+DAI_CONFIG(DMIC, 0, 1, DMIC0,
+	DMIC_CONFIG(1, 500000, 4800000, 40, 60, 48000,
+		DMIC_WORD_LENGTH(s32le), DMIC, 0,
+		PDM_CONFIG(DMIC, 0, STEREO_PDM0)))