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Diffstat (limited to 'include/grub/at_keyboard.h')
| -rw-r--r-- | include/grub/at_keyboard.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/grub/at_keyboard.h b/include/grub/at_keyboard.h new file mode 100644 index 0000000..bcb4d9b --- /dev/null +++ b/include/grub/at_keyboard.h @@ -0,0 +1,40 @@ +/* + * 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_ENABLE 0xf4 +#define KEYBOARD_COMMAND_REBOOT 0xfe + +#define KEYBOARD_AT_TRANSLATE 0x40 +#define KEYBOARD_AT_DISABLE 0x10 + +#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 |