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Diffstat (limited to 'include/i8042.h')
| -rw-r--r-- | include/i8042.h | 69 | 
1 files changed, 69 insertions, 0 deletions
| diff --git a/include/i8042.h b/include/i8042.h new file mode 100644 index 000000000..61c9da2ea --- /dev/null +++ b/include/i8042.h @@ -0,0 +1,69 @@ +/* + * (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_ + +/* defines */ + +#define I8042_DATA_REG      (CFG_ISA_IO + 0x0060)    /* keyboard i/o buffer */ +#define I8042_STATUS_REG    (CFG_ISA_IO + 0x0064)    /* keyboard status read */ +#define I8042_COMMAND_REG   (CFG_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_ */ |