grub/include/grub/at_keyboard.h
2013-11-12 19:30:46 +01:00

42 lines
1.4 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_AT_KEYBOARD_HEADER
#define GRUB_AT_KEYBOARD_HEADER 1
/* Used for sending commands to the controller. */
#define KEYBOARD_COMMAND_ISREADY(x) !((x) & 0x02)
#define KEYBOARD_COMMAND_READ 0x20
#define KEYBOARD_COMMAND_WRITE 0x60
#define KEYBOARD_COMMAND_REBOOT 0xfe
#define KEYBOARD_AT_TRANSLATE 0x40
#define GRUB_AT_ACK 0xfa
#define GRUB_AT_NACK 0xfe
#define GRUB_AT_TRIES 5
#define KEYBOARD_ISMAKE(x) !((x) & 0x80)
#define KEYBOARD_ISREADY(x) ((x) & 0x01)
#define KEYBOARD_SCANCODE(x) ((x) & 0x7f)
extern void grub_at_keyboard_init (void);
extern void grub_at_keyboard_fini (void);
int grub_at_keyboard_is_alive (void);
#endif