historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/openbios/drivers/kbd.h
2024-01-16 11:20:27 -06:00

108 lines
3.6 KiB
C

/*
* <kbd.h>
*
* Open Hack'Ware BIOS generic keyboard management definitions.
*
* Copyright (c) 2005 Jocelyn Mayer
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License V2
* as published by the Free Software Foundation
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
#if !defined (__OHW_KBD_H__)
#define __OHW_KBD_H__
typedef struct kbd_t kbd_t;
typedef struct keymap_t keymap_t;
struct kbd_t {
uint32_t mod_state;
/* Modifier state
* 0x00 kk ll rr
* | | | |
* Not used for now -+ | | |
* Locks ---------------+ | |
* Left modifiers ---------+ |
* Right modifiers -----------+
*/
int nb_keys;
const keymap_t *keymap;
const char **sequences;
};
/* Modifiers */
typedef enum {
KBD_MOD_SHIFT = 0x01,
KBD_MOD_CTRL = 0x02,
KBD_MOD_ALT = 0x04,
KBD_MOD_CMD = 0x08,
KBD_MOD_OPT = 0x10,
} kbd_modifiers;
/* Locks */
typedef enum {
KBD_LCK_CAPS = 0x01,
KBD_LCK_NUM = 0x02,
KBD_LCK_SCROLL = 0x04,
} kbd_locks;
/* Lock shifts */
typedef enum {
KBD_SH_NONE = -1,
KBD_SH_CAPS = 0,
KBD_SH_NUML = 1,
KBD_SH_SCRL = 2,
} kbd_lck_shifts;
enum {
KBD_TYPE_REGULAR = 0 << 24,
KBD_TYPE_LMOD = 1 << 24,
KBD_TYPE_RMOD = 2 << 24,
KBD_TYPE_LOCK = 3 << 24,
KBD_TYPE_SEQUENCE = 4 << 24,
};
#define KBD_SEQUENCE(sequence) (KBD_TYPE_SEQUENCE | (sequence))
#define KBD_MOD_MAP(mod) \
KBD_SH_NONE, { (mod), (mod), (mod), (mod), (mod), (mod), (mod), (mod), \
(mod), (mod), (mod), (mod), (mod), (mod), (mod), (mod), \
(mod), (mod), (mod), (mod), (mod), (mod), (mod), (mod), \
(mod), (mod), (mod), (mod), (mod), (mod), (mod), (mod), }
#define KBD_MOD_MAP_LSHIFT KBD_MOD_MAP(KBD_TYPE_LMOD | KBD_MOD_SHIFT)
#define KBD_MOD_MAP_RSHIFT KBD_MOD_MAP(KBD_TYPE_RMOD | (KBD_MOD_SHIFT << 8))
#define KBD_MOD_MAP_LCTRL KBD_MOD_MAP(KBD_TYPE_LMOD | KBD_MOD_CTRL)
#define KBD_MOD_MAP_RCTRL KBD_MOD_MAP(KBD_TYPE_RMOD | (KBD_MOD_CTRL << 8))
#define KBD_MOD_MAP_LALT KBD_MOD_MAP(KBD_TYPE_LMOD | KBD_MOD_ALT)
#define KBD_MOD_MAP_RALT KBD_MOD_MAP(KBD_TYPE_RMOD | (KBD_MOD_ALT << 8))
#define KBD_MOD_MAP_LCMD KBD_MOD_MAP(KBD_TYPE_LMOD | KBD_MOD_CMD)
#define KBD_MOD_MAP_RCMD KBD_MOD_MAP(KBD_TYPE_RMOD | (KBD_MOD_CMD << 8))
#define KBD_MOD_MAP_LOPT KBD_MOD_MAP(KBD_TYPE_LMOD | KBD_MOD_OPT)
#define KBD_MOD_MAP_ROPT KBD_MOD_MAP(KBD_TYPE_RMOD | (KBD_MOD_OPT << 8))
#define KBD_MOD_MAP_CAPS KBD_MOD_MAP(KBD_TYPE_LOCK | (KBD_LCK_CAPS << 16))
#define KBD_MOD_MAP_NUML KBD_MOD_MAP(KBD_TYPE_LOCK | (KBD_LCK_NUML << 16))
#define KBD_MOD_MAP_SCROLL KBD_MOD_MAP(KBD_TYPE_LOCK | (KBD_LCK_SCRL << 16))
#define KBD_MAP_NONE KBD_MOD_MAP(-1)
/* Keymap definition */
struct keymap_t {
/* Set the lock which applies to this key (if any) */
int lck_shift;
/* Key translations */
uint32_t trans[32];
};
void *kbd_new (int len);
int kbd_set_keymap (kbd_t *kbd, int nb_keys, const keymap_t *keymap,
const char **sequences);
int kbd_translate_key (kbd_t *kbd, int keycode, int up_down, char *sequence);
#endif /* !defined (__OHW_KBD_H__) */