From 316443f445112fd7ab9c21aa9bd82515945a6c36 Mon Sep 17 00:00:00 2001
From: reinelt <>
Date: Sat, 9 Apr 2005 07:36:42 +0000
Subject: [lcd4linux @ 2005-04-09 07:36:42 by reinelt] updated LCD-Linux driver
 to version 0.8.8

---
 drv_LCDLinux.h | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 drv_LCDLinux.h

(limited to 'drv_LCDLinux.h')

diff --git a/drv_LCDLinux.h b/drv_LCDLinux.h
new file mode 100644
index 0000000..6bdf1f1
--- /dev/null
+++ b/drv_LCDLinux.h
@@ -0,0 +1,92 @@
+/* lcd.h
+ *
+ * $Id: drv_LCDLinux.h,v 1.1 2005/04/09 07:36:42 reinelt Exp $
+ *
+ * LCD driver for HD44780 compatible displays connected to the parallel port.
+ * 
+ * External interface header file.
+ * 
+ * Copyright (C) 2004, 2005  Mattia Jona-Lasinio (mjona@users.sourceforge.net)
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef LCD_H
+#define LCD_H
+
+#define LCD_LINUX_VERSION	"0.8.8"	/* Version number */
+
+#define LCD_MAJOR		120	/* Major number for this device
+					 * Set this to 0 for dynamic allocation
+					 */
+
+#include <linux/types.h>
+
+struct lcd_driver {
+	/* Hardware */
+	unsigned short io;		/* Parport base address */
+	unsigned short flags;		/* Flags (see Documentation) */
+
+	/* Display geometry */
+	unsigned short num_cntr;	/* Number of available controllers */
+	unsigned short cntr_rows;	/* Rows per controller */
+	unsigned short disp_cols;	/* Columns */
+	unsigned short frames;		/* Framebuffer frames */
+
+	unsigned short tabstop;		/* Length of tab character */
+};
+
+/* IOCTLs */
+#include <asm/ioctl.h>
+#define IOCTL_SET_PARAM		_IOW(LCD_MAJOR, 0, struct lcd_driver *)
+#define IOCTL_GET_PARAM		_IOR(LCD_MAJOR, 1, struct lcd_driver *)
+
+#define LCD_PROC_ON	0x0001		/* Enable the /proc filesystem support */
+#define LCD_READ_ON	0x0002		/* Enable the read functions */
+#define LCD_ETTY_ON	0x0004		/* Enable the tty support */
+#define LCD_CONSOLE	0x0008		/* Enable the console support */
+#define LCD_4BITS_BUS	0x0010		/* Set the bus length to 4 bits */
+#define LCD_5X10_FONT	0x0020		/* Use 5x10 dots fonts */
+
+
+
+#ifdef __KERNEL__ /* The rest is for kernel only */
+
+#include <linux/version.h>
+
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#endif
+
+#ifndef LINUX_VERSION_CODE
+#error - LINUX_VERSION_CODE undefined.
+#endif
+
+/* External interface */
+int lcd_init(struct lcd_driver *);
+void lcd_exit(void);
+int lcd_ioctl(unsigned int, void *);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0)
+ssize_t lcd_write(const char *, size_t, unsigned int);
+ssize_t lcd_read(char *, size_t, unsigned int);
+#else
+int lcd_write(const char *, int, unsigned int);
+int lcd_read(char *, int, unsigned int);
+#endif
+
+#endif /* __KERNEL__ */
+
+#endif /* External interface included */
-- 
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