[Sound-open-firmware] [PATCH] topology: add virtual dapm route supported in topology file

[Rander Wang]

To reuse some machine drivers in Linux kernel without hacking
dapm route info, some unsupported routes and widgets could be
added in toplogy file.

Signed-off-by: Rander Wang <rander.wang at linux.intel.com>

---
test on cnl apl and byt pass
SOF: master da9baf3f3d
kernel: v4.14 390a3ece3
SOF-tools: master 86fe688a2b
---
 topology/m4/utils.m4      | 38 ++++++++++++++++++++++++++++++++++++++
 topology/sof-cnl-rt274.m4 | 11 +++++++++++
 2 files changed, 49 insertions(+)

diff --git a/topology/m4/utils.m4 b/topology/m4/utils.m4
index ba87c8d..8b397b6 100644
--- a/topology/m4/utils.m4
+++ b/topology/m4/utils.m4
@@ -70,5 +70,43 @@ define(`W_DATA',
 `	tuples STR($2)'
 `}')
 
+dnl VIRTUAL_DAPM_ROUTE_OUT(name, dai type, dai index, direction, index)
+define(`VIRTUAL_DAPM_ROUTE_OUT',
+`SectionWidget.STR($1) {'
+`       index STR($5)'
+`       type "aif_out"'
+`       no_pm "true"'
+`}'
+`SectionGraph.STR($2) {'
+`       index STR($5)'
+`'
+`       lines ['
+`               dapm($1,$2$3.$4)'
+`       ]'
+`}')
+
+dnl VIRTUAL_DAPM_ROUTE_IN(name, dai type, dai index, direction, index)
+define(`VIRTUAL_DAPM_ROUTE_IN',
+`SectionWidget.STR($1) {'
+`       index STR($5)'
+`       type "aif_in"'
+`       no_pm "true"'
+`}'
+`SectionGraph.STR($2) {'
+`       index STR($5)'
+`'
+`       lines ['
+`               dapm($2$3.$4, $1)'
+`       ]'
+`}')
+
+dnl VIRTUAL_WIDGET(name, index)
+define(`VIRTUAL_WIDGET',
+`SectionWidget.STR($1) {'
+`       index STR($2)'
+`       type "mixer"'
+`       no_pm "true"'
+`}')
+
 divert(0) dnl
 
diff --git a/topology/sof-cnl-rt274.m4 b/topology/sof-cnl-rt274.m4
index 89d5a25..36cd91f 100644
--- a/topology/sof-cnl-rt274.m4
+++ b/topology/sof-cnl-rt274.m4
@@ -69,3 +69,14 @@ DAI_CONFIG(SSP, 0, SSP0-Codec, DSP_B, 24,
 	DAI_CLOCK(bclk, 4800000, codec_slave),
 	DAI_CLOCK(fsync, 48000, codec_slave),
 	DAI_TDM(4, 25, 3, 3))
+
+VIRTUAL_DAPM_ROUTE_OUT(codec0_out, SSP, 0, OUT, 0)
+VIRTUAL_DAPM_ROUTE_OUT(codec1_out, SSP, 0, OUT, 1)
+VIRTUAL_DAPM_ROUTE_OUT(ssp0 Tx, SSP, 0, OUT, 2)
+VIRTUAL_DAPM_ROUTE_OUT(Capture, SSP, 0, OUT, 3)
+VIRTUAL_DAPM_ROUTE_OUT(SoC DMIC, SSP, 0, OUT, 4)
+VIRTUAL_DAPM_ROUTE_IN(codec0_in, SSP, 0, IN, 5)
+VIRTUAL_WIDGET(DMIC01 Rx, 6)
+VIRTUAL_WIDGET(DMic, 7)
+VIRTUAL_WIDGET(dmic01_hifi, 8)
+VIRTUAL_WIDGET(ssp0 Rx, 9)
-- 
2.14.1