Changes to lpt driver:

- ansi prototypes in lpt.c
- a bit of tidying in lpt.c
- ioctl in lpt.c for switching between polling and using interrupts
- added lpt.h - needed for ioctl to allow switching between polling
        and interrupt-driven modes.

1 files changed, 24 insertions, 0 deletions

diff --git a/sys/dev/ppbus/lptio.h b/sys/dev/ppbus/lptio.h
new file mode 100644
index 0000000..87af5bc
--- /dev/null
+++ b/sys/dev/ppbus/lptio.h
@@ -0,0 +1,24 @@
+/*
+ *  Copyright (C) 1994 Geoffrey M. Rehmet
+ *
+ *  This program is free software; you may redistribute it and/or 
+ *  modify it, provided that it retain the above copyright notice 
+ *  and the following disclaimer.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
+ *
+ *	Geoff Rehmet, Rhodes University, South Africa <csgr@cs.ru.ac.za>
+ *
+ */
+
+#ifndef _LPT_PRINTER_H_
+#define _LPT_PRINTER_H_
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+#define	LPT_IRQ		_IOW('p', 1, long)	/* set interrupt status */
+
+#endif