[PATCH] synclink_gt add gpio feature

Add driver support for general purpose I/O feature of the Synclink GT
adapters.

Signed-off-by: Paul Fulghum <paulkf@micrgate.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/synclink.h b/include/linux/synclink.h
index 1b7cd8d..2993302 100644
--- a/include/linux/synclink.h
+++ b/include/linux/synclink.h
@@ -1,7 +1,7 @@
 /*
  * SyncLink Multiprotocol Serial Adapter Driver
  *
- * $Id: synclink.h,v 3.10 2005/11/08 19:50:54 paulkf Exp $
+ * $Id: synclink.h,v 3.11 2006/02/06 21:20:29 paulkf Exp $
  *
  * Copyright (C) 1998-2000 by Microgate Corporation
  *
@@ -221,6 +221,12 @@
 	__u32	rxidle;
 };
 
+struct gpio_desc {
+	__u32 state;
+	__u32 smask;
+	__u32 dir;
+	__u32 dmask;
+};
 
 #define DEBUG_LEVEL_DATA	1
 #define DEBUG_LEVEL_ERROR 	2
@@ -276,5 +282,8 @@
 #define MGSL_IOCLOOPTXDONE	_IO(MGSL_MAGIC_IOC,9)
 #define MGSL_IOCSIF		_IO(MGSL_MAGIC_IOC,10)
 #define MGSL_IOCGIF		_IO(MGSL_MAGIC_IOC,11)
+#define MGSL_IOCSGPIO		_IOW(MGSL_MAGIC_IOC,16,struct gpio_desc)
+#define MGSL_IOCGGPIO		_IOR(MGSL_MAGIC_IOC,17,struct gpio_desc)
+#define MGSL_IOCWAITGPIO	_IOWR(MGSL_MAGIC_IOC,18,struct gpio_desc)
 
 #endif /* _SYNCLINK_H_ */