aboutsummaryrefslogtreecommitdiffstats
path: root/drv_LCDLinux.h
diff options
context:
space:
mode:
Diffstat (limited to 'drv_LCDLinux.h')
-rw-r--r--drv_LCDLinux.h56
1 files changed, 35 insertions, 21 deletions
diff --git a/drv_LCDLinux.h b/drv_LCDLinux.h
index af638c4..1a36454 100644
--- a/drv_LCDLinux.h
+++ b/drv_LCDLinux.h
@@ -1,6 +1,6 @@
/* lcd.h
*
- * $Id: drv_LCDLinux.h,v 1.4 2005/05/08 04:32:44 reinelt Exp $
+ * $Id: drv_LCDLinux.h,v 1.5 2005/06/15 05:24:35 reinelt Exp $
*
* LCD driver for HD44780 compatible displays connected to the parallel port.
*
@@ -24,8 +24,19 @@
*
*/
-#ifndef LCD_H
-#define LCD_H
+#ifndef LCD_LINUX_H
+#define LCD_LINUX_H
+
+#ifndef HD44780_MAIN
+#warning
+#warning LCD-Linux is still in development stage and
+#warning aims at speed and optimization. For these
+#warning reasons there is no guarantee of backward
+#warning compatibility between different LCD-Linux
+#warning versions. Be sure to use the lcd-linux.h
+#warning file of the same version as the module.
+#warning
+#endif
#define LCD_LINUX_VERSION "0.8.9-CVS" /* Version number */
@@ -36,34 +47,37 @@
#include <linux/types.h>
struct lcd_driver {
- /* Hardware */
- unsigned short io; /* Parport base address */
- unsigned short flags; /* Flags (see Documentation) */
+ /* 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 */
+ /* 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 */
+ 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 IOCTL_RAW_CMD _IOW(LCD_MAJOR, 2, unsigned char *)
+#define IOCTL_RESET_CHARMAP _IOW(LCD_MAJOR, 3, void *)
+#define IOCTL_SAVE_CHARMAP _IOW(LCD_MAJOR, 4, void *)
+#define IOCTL_RESTORE_CHARMAP _IOW(LCD_MAJOR, 5, void *)
+#define IOCTL_SWAP_CHARMAP _IOW(LCD_MAJOR, 6, void *)
-#define LCD_PROC_ON 0x0001 /* Enable the /proc filesystem support */
-#define LCD_ETTY_ON 0x0002 /* Enable the tty support */
-#define LCD_CONSOLE 0x0004 /* Enable the console support */
-#define LCD_4BITS_BUS 0x0008 /* Set the bus length to 4 bits */
-#define LCD_5X10_FONT 0x0010 /* Use 5x10 dots fonts */
-#define LCD_CHECK_BF 0x0020 /* Do busy flag checking */
+#define LCD_CHECK_BF 0x0001 /* Do busy flag checking */
+#define LCD_CONSOLE 0x0002 /* Enable the console support */
+#define LCD_4BITS_BUS 0x0004 /* Set the bus length to 4 bits */
+#define LCD_5X10_FONT 0x0008 /* Use 5x10 dots fonts */
-#ifdef __KERNEL__ /* The rest is for kernel only */
+#ifdef __KERNEL__ /* The rest is for kernel only */
#include <linux/version.h>
@@ -87,6 +101,6 @@ int lcd_write(const char *, int, unsigned int);
int lcd_read(char *, int, unsigned int);
#endif
-#endif /* __KERNEL__ */
+#endif /* __KERNEL__ */
-#endif /* External interface included */
+#endif /* External interface included */