11df49e27Swdenk /* 21df49e27Swdenk * (C) Copyright 2002 ELTEC Elektronik AG 31df49e27Swdenk * Frank Gottschling <fgottschling@eltec.de> 41df49e27Swdenk * 51df49e27Swdenk * See file CREDITS for list of people who contributed to this 61df49e27Swdenk * project. 71df49e27Swdenk * 81df49e27Swdenk * This program is free software; you can redistribute it and/or 91df49e27Swdenk * modify it under the terms of the GNU General Public License as 101df49e27Swdenk * published by the Free Software Foundation; either version 2 of 111df49e27Swdenk * the License, or (at your option) any later version. 121df49e27Swdenk * 131df49e27Swdenk * This program is distributed in the hope that it will be useful, 141df49e27Swdenk * but WITHOUT ANY WARRANTY; without even the implied warranty of 151df49e27Swdenk * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 161df49e27Swdenk * GNU General Public License for more details. 171df49e27Swdenk * 181df49e27Swdenk * You should have received a copy of the GNU General Public License 191df49e27Swdenk * along with this program; if not, write to the Free Software 201df49e27Swdenk * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 211df49e27Swdenk * MA 02111-1307 USA 221df49e27Swdenk */ 231df49e27Swdenk 241df49e27Swdenk /* i8042.h - Intel 8042 keyboard driver header */ 251df49e27Swdenk 261df49e27Swdenk #ifndef _I8042_H_ 271df49e27Swdenk #define _I8042_H_ 281df49e27Swdenk 297a8e9bedSwdenk #ifdef __I386__ 307a8e9bedSwdenk #include <common.h> 317a8e9bedSwdenk #include <asm/io.h> 327a8e9bedSwdenk #define in8(p) inb(p) 337a8e9bedSwdenk #define out8(p,v) outb(v,p) 347a8e9bedSwdenk #endif 357a8e9bedSwdenk 361df49e27Swdenk /* defines */ 371df49e27Swdenk 386d0f6bcfSJean-Christophe PLAGNIOL-VILLARD #define I8042_DATA_REG (CONFIG_SYS_ISA_IO + 0x0060) /* keyboard i/o buffer */ 396d0f6bcfSJean-Christophe PLAGNIOL-VILLARD #define I8042_STATUS_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard status read */ 406d0f6bcfSJean-Christophe PLAGNIOL-VILLARD #define I8042_COMMAND_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard ctrl write */ 411df49e27Swdenk 42*ef94f7faSGabe Black enum { 43*ef94f7faSGabe Black /* Output register (I8042_DATA_REG) has data for system */ 44*ef94f7faSGabe Black I8042_STATUS_OUT_DATA = 1 << 0, 45*ef94f7faSGabe Black I8042_STATUS_IN_DATA = 1 << 1, 46*ef94f7faSGabe Black }; 47*ef94f7faSGabe Black 481df49e27Swdenk #define KBD_US 0 /* default US layout */ 491df49e27Swdenk #define KBD_GER 1 /* german layout */ 501df49e27Swdenk 511df49e27Swdenk #define KBD_TIMEOUT 1000 /* 1 sec */ 521df49e27Swdenk #define KBD_RESET_TRIES 3 531df49e27Swdenk 541df49e27Swdenk #define AS 0 /* normal character index */ 551df49e27Swdenk #define SH 1 /* shift index */ 561df49e27Swdenk #define CN 2 /* control index */ 571df49e27Swdenk #define NM 3 /* numeric lock index */ 581df49e27Swdenk #define AK 4 /* right alt key */ 591df49e27Swdenk #define CP 5 /* capslock index */ 601df49e27Swdenk #define ST 6 /* stop output index */ 611df49e27Swdenk #define EX 7 /* extended code index */ 621df49e27Swdenk #define ES 8 /* escape and extended code index */ 631df49e27Swdenk 641df49e27Swdenk #define NORMAL 0x0000 /* normal key */ 651df49e27Swdenk #define STP 0x0001 /* scroll lock stop output*/ 661df49e27Swdenk #define NUM 0x0002 /* numeric lock */ 671df49e27Swdenk #define CAPS 0x0004 /* capslock */ 681df49e27Swdenk #define SHIFT 0x0008 /* shift */ 691df49e27Swdenk #define CTRL 0x0010 /* control*/ 701df49e27Swdenk #define EXT 0x0020 /* extended scan code 0xe0 */ 711df49e27Swdenk #define ESC 0x0040 /* escape key press */ 721df49e27Swdenk #define E1 0x0080 /* extended scan code 0xe1 */ 731df49e27Swdenk #define BRK 0x0100 /* make break flag for keyboard */ 741df49e27Swdenk #define ALT 0x0200 /* right alt */ 751df49e27Swdenk 761df49e27Swdenk /* exports */ 771df49e27Swdenk 781df49e27Swdenk int i8042_kbd_init(void); 791df49e27Swdenk int i8042_tstc(void); 801df49e27Swdenk int i8042_getc(void); 811df49e27Swdenk 821df49e27Swdenk #endif /* _I8042_H_ */ 83