topology: Add build support for topology files.

Add support to build topology text files into binary files understood
by the drivers. This is a two stage build, the first stage is to
pre-process the files with M4 into regular alsa-conf format and the second
stage is to compile with the alsa topology compiler.

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

.gitignore

@@ -1,5 +1,6 @@
 *.o
 *.in
+*~
 autom4te*
 *.Po
 *.swp
@@ -16,3 +17,5 @@ ltmain.sh
 rimage/rimage
 rmbox/rmbox
 rwav/rwav
+*.tplg
+topology/*.conf

Makefile.am

@@ -1 +1 @@
-SUBDIRS = rimage rmbox
+SUBDIRS = rimage rmbox topology

configure.ac

@@ -16,6 +16,7 @@ AC_OUTPUT([
 	Makefile
 	rimage/Makefile
 	rmbox/Makefile
+	topology/Makefile
 ])
 
 echo "
@@ -23,4 +24,4 @@ echo "
 prefix:                        ${prefix}
 Compiler:                      ${CC}
 CFLAGS:                        ${CFLAGS}
-"
+"

topology/Makefile.am

@@ -0,0 +1,41 @@
+
+#
+# Dependencies
+#
+
+DEPS = \
+	dsps/*.m4 \
+	common/*.m4 \
+	m4/*.m4 \
+	sof/*.m4
+
+#
+# Machines
+#
+
+MACHINES = \
+	reef-cht-nocodec.tplg \
+	reef-apl-nocodec.tplg \
+	reef-bxt-nocodec.tplg \
+	reef-byt-nocodec.tplg \
+	reef-bdw-rt286.tplg \
+	reef-bdw-rt5640.tplg \
+	reef-byt-rt5640.tplg \
+	reef-byt-rt5651.tplg \
+	reef-hsw-rt5640.tplg
+
+# Uncomment the following line if you want to debug conf files
+.PRECIOUS: %.conf
+
+%.conf : %.m4 ${DEPS}
+	m4 -I m4 $< > $@
+
+%.tplg : %.conf
+	alsatplg -v 1 -c $< -o $@
+
+all: ${MACHINES}
+
+clean:
+	rm -f *.conf
+	rm -f *.tplg
+