1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/comedi/drivers/ni_routing/tools/Makefile b/drivers/comedi/drivers/ni_routing/tools/Makefile
new file mode 100644
index 000000000..31212101b
--- /dev/null
+++ b/drivers/comedi/drivers/ni_routing/tools/Makefile
@@ -0,0 +1,87 @@
+# SPDX-License-Identifier: GPL-2.0
+# this make file is simply to help autogenerate these files:
+# 	ni_route_values.h
+#	ni_device_routes.h
+# in order to do this, we are also generating a python representation (using
+# ctypesgen) of ../../../../../include/uapi/linux/comedi.h.
+# This allows us to sort NI signal/terminal names numerically to use a binary
+# search through the device_routes tables to find valid routes.
+
+ALL:
+	@echo Typical targets:
+	@echo "\`make csv-files\`"
+	@echo "  Creates new csv-files using content of c-files of existing"
+	@echo "  ni_routing/* content.  New csv files are placed in csv"
+	@echo "  sub-directory."
+	@echo "\`make c-files\`"
+	@echo "  Creates new c-files using content of csv sub-directory.  These"
+	@echo "  new c-files can be compared to the active content in the"
+	@echo "  ni_routing directory."
+	@echo "\`make csv-blank\`"
+	@echo "  Create a new blank csv file.  This is useful for establishing a"
+	@echo "  new data table for either a device family \(less likely\) or a"
+	@echo "  specific board of an existing device family \(more likely\)."
+	@echo "\`make clean-partial\`"
+	@echo "  Remove all generated files/directories EXCEPT for csv/c files."
+	@echo "\`make clean\`"
+	@echo "  Remove all generated files/directories."
+	@echo "\`make everything\`"
+	@echo "  Build all csv-files, then all new c-files."
+
+everything : csv-files c-files csv-blank
+
+CPPFLAGS = -D__user=
+INC_UAPI = ../../../../../include/uapi
+
+comedi_h.py: $(INC_UAPI)/linux/comedi.h
+	ctypesgen $< --include "sys/ioctl.h" --cpp 'gcc -E $(CPPFLAGS)' -o $@
+
+convert_c_to_py: all_cfiles.c linux/comedi.h
+	gcc -g -I. convert_c_to_py.c -o convert_c_to_py -std=c99
+
+# Create a local 'linux/comedi.h' for use when compiling 'convert_c_to_py.c'
+# with the '-I.' option.  (Cannot specify '-I../../../../../include/uapi'
+# because that interferes with inclusion of other system headers.)
+linux/comedi.h: $(INC_UAPI)/linux/comedi.h
+	mkdir -p linux
+	ln -snf ../$< $@
+
+ni_values.py: convert_c_to_py
+	./convert_c_to_py
+
+csv-files : ni_values.py comedi_h.py
+	./convert_py_to_csv.py
+
+csv-blank : comedi_h.py
+	./make_blank_csv.py
+	@echo New blank csv signal table in csv/blank_route_table.csv
+
+c-files : comedi_h.py
+	./convert_csv_to_c.py --route_values --device_routes
+
+ROUTE_VALUES_SRC=$(wildcard ../ni_route_values/*.c)
+DEVICE_ROUTES_SRC=$(wildcard ../ni_device_routes/*.c)
+all_cfiles.c : $(DEVICE_ROUTES_SRC) $(ROUTE_VALUES_SRC)
+	@for i in $(DEVICE_ROUTES_SRC) $(ROUTE_VALUES_SRC); do \
+		echo "#include \"$$i\"" >> all_cfiles.c; \
+	done
+
+clean-partial :
+	$(RM) -rf comedi_h.py ni_values.py convert_c_to_py all_cfiles.c *.pyc \
+		__pycache__/
+
+clean : clean-partial
+	$(RM) -rf c/ csv/ linux/
+
+# Note:  One could also use ctypeslib in order to generate these files.  The
+# caveat is that ctypeslib does not do a great job at handling macro functions.
+# The make rules are as follows:
+# comedi.h.xml : $(INC_UAPI)/linux/comedi.h
+# 	# note that we have to use PWD here to avoid h2xml finding a system
+# 	# installed version of the comedilib/comedi.h file
+# 	h2xml ${PWD}/$(INC_UAPI)/linux/comedi.h -c D__user="" -o comedi.h.xml
+#
+# comedi_h.py : comedi.h.xml
+# 	xml2py ./comedi.h.xml -o comedi_h.py
+# clean :
+# 	rm -f comedi.h.xml comedi_h.py comedi_h.pyc