mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 00:21:06 +00:00
76 lines
2.8 KiB
C
76 lines
2.8 KiB
C
/*
|
|
* (C) Copyright 2002 ELTEC Elektronik AG
|
|
* Frank Gottschling <fgottschling@eltec.de>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/* i8042.h - Intel 8042 keyboard driver header */
|
|
|
|
#ifndef _I8042_H_
|
|
#define _I8042_H_
|
|
|
|
#ifdef __I386__
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#define in8(p) inb(p)
|
|
#define out8(p,v) outb(v,p)
|
|
#endif
|
|
|
|
/* defines */
|
|
|
|
#define I8042_DATA_REG (CONFIG_SYS_ISA_IO + 0x0060) /* keyboard i/o buffer */
|
|
#define I8042_STATUS_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard status read */
|
|
#define I8042_COMMAND_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard ctrl write */
|
|
|
|
#define KBD_US 0 /* default US layout */
|
|
#define KBD_GER 1 /* german layout */
|
|
|
|
#define KBD_TIMEOUT 1000 /* 1 sec */
|
|
#define KBD_RESET_TRIES 3
|
|
|
|
#define AS 0 /* normal character index */
|
|
#define SH 1 /* shift index */
|
|
#define CN 2 /* control index */
|
|
#define NM 3 /* numeric lock index */
|
|
#define AK 4 /* right alt key */
|
|
#define CP 5 /* capslock index */
|
|
#define ST 6 /* stop output index */
|
|
#define EX 7 /* extended code index */
|
|
#define ES 8 /* escape and extended code index */
|
|
|
|
#define NORMAL 0x0000 /* normal key */
|
|
#define STP 0x0001 /* scroll lock stop output*/
|
|
#define NUM 0x0002 /* numeric lock */
|
|
#define CAPS 0x0004 /* capslock */
|
|
#define SHIFT 0x0008 /* shift */
|
|
#define CTRL 0x0010 /* control*/
|
|
#define EXT 0x0020 /* extended scan code 0xe0 */
|
|
#define ESC 0x0040 /* escape key press */
|
|
#define E1 0x0080 /* extended scan code 0xe1 */
|
|
#define BRK 0x0100 /* make break flag for keyboard */
|
|
#define ALT 0x0200 /* right alt */
|
|
|
|
/* exports */
|
|
|
|
int i8042_kbd_init(void);
|
|
int i8042_tstc(void);
|
|
int i8042_getc(void);
|
|
|
|
#endif /* _I8042_H_ */
|