/* $NetBSD: lcd.h,v 1.2 2023/01/15 05:08:33 tsutsui Exp $ */
/* $OpenBSD: lcd.h,v 1.2 2011/03/23 16:54:35 pirofti Exp $ */

/*
* Copyright (c) 2007 Kenji AOYAMA <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#ifndef _MACHINE_LCD_H_
#define _MACHINE_LCD_H_

/*
* NetBSD/luna68k LCD driver
* (taken from OpenBSD/luna88k LCD driver)
*/

/* The ioctl defines */

#define LCDCLS          _IO('L', 1)             /* Clear LCD screen */
#define LCDHOME         _IO('L', 2)             /* Move the cursor to left-upper */
#define LCDMODE         _IOW('L', 3, int)       /* Set the data entry mode */
#define LCDDISP         _IOW('L', 4, int)       /* Blink, cursor, and display on/off */
#define LCDMOVE         _IOW('L', 5, int)       /* Move cursor / shift display area */
#define LCDSEEK         _IOW('L', 6, int)       /* Move the cursor to specified position */
#define LCDRESTORE      _IO('L', 7)             /* Restore boot-time LCD message */

/* argument value for each ioctl */

/* LCDMODE; when a character data is written, then ... */
#define LCDMODE_C_LEFT  0x04    /* cursor moves left */
#define LCDMODE_C_RIGHT 0x06    /* cursor moves right */
#define LCDMODE_D_LEFT  0x05    /* display area shifts to left */
#define LCDMODE_D_RIGHT 0x07    /* display area shifts to right */

/* LCDDISP; you can use these values or'ed */
#define LCD_DISPLAY     0x04    /* LCD display on */
#define LCD_CURSOR      0x02    /* Cursor on */
#define LCD_BLINK       0x01    /* Blink on */

/* LCDMOVE; just move the cursor or shift the display area */
#define LCDMOVE_C_LEFT  0x10    /* cursor moves left */
#define LCDMOVE_C_RIGHT 0x14    /* cursor moves right */
#define LCDMOVE_D_LEFT  0x18    /* display area shifts to left */
#define LCDMOVE_D_RIGHT 0x1c    /* display area shifts to right */

#endif /* _MACHINE_LCD_H_ */

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