[PATCH] AX88796 parallel port driver

Driver for the simple parallel port interface on the Asix AX88796 chip on
an platform_bus.

[akpm@osdl.org: x86_64 build fix]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/parport/Kconfig

@@ -136,6 +136,18 @@ config PARPORT_SUNBPP
 	  found on many Sun machines. Note that many of the newer Ultras
 	  actually have pc style hardware instead.
 
+config PARPORT_AX88796
+	tristate "AX88796 Parallel Port"
+	depends on PARPORT
+	select PARPORT_NOT_PC
+	help
+	  Say Y here if you need support for the parallel port hardware on
+	  the AX88796 network controller chip. This code is also available
+	  as a module (say M), called parport_ax88796.
+
+	  The driver is not dependant on the AX88796 network driver, and
+	  should not interfere with the networking functions of the chip.
+
 config PARPORT_1284
 	bool "IEEE 1284 transfer modes"
 	depends on PARPORT

drivers/parport/Makefile

@@ -17,4 +17,5 @@ obj-$(CONFIG_PARPORT_MFC3)	+= parport_mfc3.o
 obj-$(CONFIG_PARPORT_ATARI)	+= parport_atari.o
 obj-$(CONFIG_PARPORT_SUNBPP)	+= parport_sunbpp.o
 obj-$(CONFIG_PARPORT_GSC)	+= parport_gsc.o
+obj-$(CONFIG_PARPORT_AX88796)	+= parport_ax88796.o
 obj-$(CONFIG_PARPORT_IP32)	+= parport_ip32.o
\ No newline at end of file

include/linux/parport.h

@@ -127,6 +127,10 @@ struct amiga_parport_state {
        unsigned char statusdir;/* ciab.ddrb & 7 */
 };
 
+struct ax88796_parport_state {
+	unsigned char cpr;
+};
+
 struct ip32_parport_state {
 	unsigned int dcr;
 	unsigned int ecr;
@@ -138,6 +142,7 @@ struct parport_state {
 		/* ARC has no state. */
 		struct ax_parport_state ax;
 		struct amiga_parport_state amiga;
+		struct ax88796_parport_state ax88796;
 		/* Atari has not state. */
 		struct ip32_parport_state ip32;
 		void *misc;