42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2007,2008,2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_AT_KEYBOARD_HEADER
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#define GRUB_AT_KEYBOARD_HEADER 1
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/* Used for sending commands to the controller. */
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#define KEYBOARD_COMMAND_ISREADY(x) !((x) & 0x02)
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#define KEYBOARD_COMMAND_READ 0x20
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#define KEYBOARD_COMMAND_WRITE 0x60
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#define KEYBOARD_COMMAND_REBOOT 0xfe
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#define KEYBOARD_AT_TRANSLATE 0x40
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#define GRUB_AT_ACK 0xfa
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#define GRUB_AT_NACK 0xfe
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#define GRUB_AT_TRIES 5
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#define KEYBOARD_ISMAKE(x) !((x) & 0x80)
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#define KEYBOARD_ISREADY(x) ((x) & 0x01)
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#define KEYBOARD_SCANCODE(x) ((x) & 0x7f)
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extern void grub_at_keyboard_init (void);
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extern void grub_at_keyboard_fini (void);
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int grub_at_keyboard_is_alive (void);
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#endif
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