staging: comedi: add interface to ni routing table information

Adds interface and associated unittests for accessing/looking-up/validating
the new ni routing table information.
Signed-off-by: Spencer E. Olson <olsonse@umich.edu>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/Kconfig

@@ -1313,5 +1313,9 @@ config COMEDI_NI_LABPC_ISADMA
 
 config COMEDI_NI_TIO
 	tristate
+	select COMEDI_NI_ROUTING
+
+config COMEDI_NI_ROUTING
+	tristate
 
 endif # COMEDI

drivers/staging/comedi/drivers/Makefile

@@ -137,6 +137,33 @@ obj-$(CONFIG_COMEDI_VMK80XX)		+= vmk80xx.o
 obj-$(CONFIG_COMEDI_MITE)		+= mite.o
 obj-$(CONFIG_COMEDI_NI_TIO)		+= ni_tio.o
 obj-$(CONFIG_COMEDI_NI_TIOCMD)		+= ni_tiocmd.o
+obj-$(CONFIG_COMEDI_NI_ROUTING)		+= ni_routing.o
+ni_routing-objs				+= ni_routes.o \
+					   ni_routing/ni_route_values.o \
+					   ni_routing/ni_route_values/ni_660x.o \
+					   ni_routing/ni_route_values/ni_eseries.o \
+					   ni_routing/ni_route_values/ni_mseries.o \
+					   ni_routing/ni_device_routes.o \
+					   ni_routing/ni_device_routes/pxi-6030e.o \
+					   ni_routing/ni_device_routes/pci-6070e.o \
+					   ni_routing/ni_device_routes/pci-6220.o \
+					   ni_routing/ni_device_routes/pci-6221.o \
+					   ni_routing/ni_device_routes/pxi-6224.o \
+					   ni_routing/ni_device_routes/pxi-6225.o \
+					   ni_routing/ni_device_routes/pci-6229.o \
+					   ni_routing/ni_device_routes/pci-6251.o \
+					   ni_routing/ni_device_routes/pxi-6251.o \
+					   ni_routing/ni_device_routes/pxie-6251.o \
+					   ni_routing/ni_device_routes/pci-6254.o \
+					   ni_routing/ni_device_routes/pci-6259.o \
+					   ni_routing/ni_device_routes/pci-6534.o \
+					   ni_routing/ni_device_routes/pxie-6535.o \
+					   ni_routing/ni_device_routes/pci-6602.o \
+					   ni_routing/ni_device_routes/pci-6713.o \
+					   ni_routing/ni_device_routes/pci-6723.o \
+					   ni_routing/ni_device_routes/pci-6733.o \
+					   ni_routing/ni_device_routes/pxi-6733.o \
+					   ni_routing/ni_device_routes/pxie-6738.o
 obj-$(CONFIG_COMEDI_NI_LABPC)		+= ni_labpc_common.o
 obj-$(CONFIG_COMEDI_NI_LABPC_ISADMA)	+= ni_labpc_isadma.o
 

drivers/staging/comedi/drivers/ni_stc.h

@@ -15,6 +15,7 @@
 #define _COMEDI_NI_STC_H
 
 #include "ni_tio.h"
+#include "ni_routes.h"
 
 /*
  * Registers in the National Instruments DAQ-STC chip
@@ -1058,6 +1059,9 @@ struct ni_private {
 	 * possible.
 	 */
 	unsigned int ao_needs_arming:1;
+
+	/* device signal route tables */
+	struct ni_route_tables routing_tables;
 };
 
 static const struct comedi_lrange range_ni_E_ao_ext;

drivers/staging/comedi/drivers/tests/Makefile

@@ -3,4 +3,5 @@
 #
 ccflags-$(CONFIG_COMEDI_DEBUG)		:= -DDEBUG
 
-obj-$(CONFIG_COMEDI_TESTS)		+= example_test.o
+obj-$(CONFIG_COMEDI_TESTS)		+= example_test.o ni_routes_test.o
+CFLAGS_ni_routes_test.o			:= -DDEBUG