| wdenk | 1df49e2 | 2002-09-17 21:37:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2002 ELTEC Elektronik AG |
| 3 | * Frank Gottschling <fgottschling@eltec.de> |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | /* i8042.h - Intel 8042 keyboard driver header */ |
| 25 | |
| 26 | #ifndef _I8042_H_ |
| 27 | #define _I8042_H_ |
| 28 | |
| wdenk | 7a8e9bed | 2003-05-31 18:35:21 +0000 | [diff] [blame] | 29 | #ifdef __I386__ |
| 30 | #include <common.h> |
| 31 | #include <asm/io.h> |
| 32 | #define in8(p) inb(p) |
| 33 | #define out8(p,v) outb(v,p) |
| 34 | #endif |
| 35 | |
| wdenk | 1df49e2 | 2002-09-17 21:37:55 +0000 | [diff] [blame] | 36 | /* defines */ |
| 37 | |
| Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 38 | #define I8042_DATA_REG (CONFIG_SYS_ISA_IO + 0x0060) /* keyboard i/o buffer */ |
| 39 | #define I8042_STATUS_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard status read */ |
| 40 | #define I8042_COMMAND_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard ctrl write */ |
| wdenk | 1df49e2 | 2002-09-17 21:37:55 +0000 | [diff] [blame] | 41 | |
| 42 | #define KBD_US 0 /* default US layout */ |
| 43 | #define KBD_GER 1 /* german layout */ |
| 44 | |
| 45 | #define KBD_TIMEOUT 1000 /* 1 sec */ |
| 46 | #define KBD_RESET_TRIES 3 |
| 47 | |
| 48 | #define AS 0 /* normal character index */ |
| 49 | #define SH 1 /* shift index */ |
| 50 | #define CN 2 /* control index */ |
| 51 | #define NM 3 /* numeric lock index */ |
| 52 | #define AK 4 /* right alt key */ |
| 53 | #define CP 5 /* capslock index */ |
| 54 | #define ST 6 /* stop output index */ |
| 55 | #define EX 7 /* extended code index */ |
| 56 | #define ES 8 /* escape and extended code index */ |
| 57 | |
| 58 | #define NORMAL 0x0000 /* normal key */ |
| 59 | #define STP 0x0001 /* scroll lock stop output*/ |
| 60 | #define NUM 0x0002 /* numeric lock */ |
| 61 | #define CAPS 0x0004 /* capslock */ |
| 62 | #define SHIFT 0x0008 /* shift */ |
| 63 | #define CTRL 0x0010 /* control*/ |
| 64 | #define EXT 0x0020 /* extended scan code 0xe0 */ |
| 65 | #define ESC 0x0040 /* escape key press */ |
| 66 | #define E1 0x0080 /* extended scan code 0xe1 */ |
| 67 | #define BRK 0x0100 /* make break flag for keyboard */ |
| 68 | #define ALT 0x0200 /* right alt */ |
| 69 | |
| 70 | /* exports */ |
| 71 | |
| 72 | int i8042_kbd_init(void); |
| 73 | int i8042_tstc(void); |
| 74 | int i8042_getc(void); |
| 75 | |
| 76 | #endif /* _I8042_H_ */ |