kbdreg.h revision 42831
1/*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $Id: kbdreg.h,v 1.1 1999/01/09 02:44:50 yokota Exp $ 27 */ 28 29#ifndef _DEV_KBD_KBDREG_H_ 30#define _DEV_KBD_KBDREG_H_ 31 32/* forward declarations */ 33typedef struct keyboard keyboard_t; 34struct keymap; 35struct accentmap; 36struct fkeytab; 37 38/* call back funcion */ 39typedef int kbd_callback_func_t(keyboard_t *kbd, int event, 40 void *arg); 41/* event types */ 42#define KBDIO_KEYINPUT 0 43#define KBDIO_UNLOADING 1 44 45typedef struct keyboard_callback { 46 kbd_callback_func_t *kc_func; 47 void *kc_arg; 48} keyboard_callback_t; 49 50/* keyboard */ 51struct keyboard { 52 /* the following fields are managed by kbdio */ 53 int kb_index; /* kbdio index# */ 54 int kb_minor; /* minor number of the sub-device */ 55 int kb_flags; /* internal flags */ 56#define KB_VALID (1 << 16) /* this entry is valid */ 57#define KB_NO_DEVICE (1 << 17) /* device not present */ 58#define KB_PROBED (1 << 18) /* device probed */ 59#define KB_INITIALIZED (1 << 19) /* device initialized */ 60#define KB_REGISTERED (1 << 20) /* device registered to kbdio */ 61#define KB_BUSY (1 << 21) /* device used by a client */ 62 int kb_active; /* 0: inactive */ 63 void *kb_token; /* id of the current client */ 64 keyboard_callback_t kb_callback;/* callback function */ 65 66 /* 67 * Device configuration flags: 68 * The upper 16 bits are common between various keyboard devices. 69 * The lower 16 bits are device-specific. 70 */ 71 int kb_config; 72#define KB_CONF_PROBE_ONLY (1 << 16) /* probe only, don't initialize */ 73 74 /* the following fields are set up by the driver */ 75 char *kb_name; /* driver name */ 76 int kb_unit; /* unit # */ 77 int kb_type; /* KB_84, KB_101, KB_OTHER,... */ 78 int kb_io_base; /* port# if any */ 79 int kb_io_size; /* # of occupied port */ 80 int kb_led; /* LED status */ 81 struct keymap *kb_keymap; /* key map */ 82 struct accentmap *kb_accentmap; /* accent map */ 83 struct fkeytab *kb_fkeytab; /* function key strings */ 84 int kb_fkeytab_size;/* # of function key strings */ 85 void *kb_data; /* the driver's private data */ 86}; 87 88#define KBD_IS_VALID(k) ((k)->kb_flags & KB_VALID) 89#define KBD_VALID(k) ((k)->kb_flags |= KB_VALID) 90#define KBD_INVALID(k) ((k)->kb_flags &= ~KB_VALID) 91#define KBD_HAS_DEVICE(k) (!((k)->kb_flags & KB_NO_DEVICE)) 92#define KBD_FOUND_DEVICE(k) ((k)->kb_flags &= ~KB_NO_DEVICE) 93#define KBD_IS_PROBED(k) ((k)->kb_flags & KB_PROBED) 94#define KBD_PROBE_DONE(k) ((k)->kb_flags |= KB_PROBED) 95#define KBD_IS_INITIALIZED(k) ((k)->kb_flags & KB_INITIALIZED) 96#define KBD_INIT_DONE(k) ((k)->kb_flags |= KB_INITIALIZED) 97#define KBD_IS_CONFIGURED(k) ((k)->kb_flags & KB_REGISTERED) 98#define KBD_CONFIG_DONE(k) ((k)->kb_flags |= KB_REGISTERED) 99#define KBD_IS_BUSY(k) ((k)->kb_flags & KB_BUSY) 100#define KBD_BUSY(k) ((k)->kb_flags |= KB_BUSY) 101#define KBD_UNBUSY(k) ((k)->kb_flags &= ~KB_BUSY) 102#define KBD_IS_ACTIVE(k) ((k)->kb_active) 103#define KBD_ACTIVATE(k) (++(k)->kb_active) 104#define KBD_DEACTIVATE(k) (--(k)->kb_active) 105#define KBD_LED_VAL(k) ((k)->kb_led) 106 107/* keyboard function table */ 108typedef int kbd_probe_t(int unit, keyboard_t **kbdp, void *arg, 109 int flags); 110typedef int kbd_init_t(keyboard_t *kbd); 111typedef int kbd_term_t(keyboard_t *kbd); 112typedef int kbd_intr_t(keyboard_t *kbd); 113typedef int kbd_test_if_t(keyboard_t *kbd); 114typedef int kbd_enable_t(keyboard_t *kbd); 115typedef int kbd_disable_t(keyboard_t *kbd); 116typedef int kbd_read_t(keyboard_t *kbd, int wait); 117typedef int kbd_check_t(keyboard_t *kbd); 118typedef u_int kbd_read_char_t(keyboard_t *kbd, int wait); 119typedef int kbd_check_char_t(keyboard_t *kbd); 120typedef int kbd_ioctl_t(keyboard_t *kbd, u_long cmd, caddr_t data); 121typedef int kbd_lock_t(keyboard_t *kbd, int lock); 122typedef void kbd_clear_state_t(keyboard_t *kbd); 123typedef int kbd_get_state_t(keyboard_t *kbd, void *buf, size_t len); 124typedef int kbd_set_state_t(keyboard_t *kbd, void *buf, size_t len); 125typedef u_char *kbd_get_fkeystr_t(keyboard_t *kbd, int fkey, 126 size_t *len); 127typedef void kbd_diag_t(keyboard_t *kbd, int level); 128 129typedef struct keyboard_switch { 130 kbd_probe_t *probe; 131 kbd_init_t *init; 132 kbd_term_t *term; 133 kbd_intr_t *intr; 134 kbd_test_if_t *test_if; 135 kbd_enable_t *enable; 136 kbd_disable_t *disable; 137 kbd_read_t *read; 138 kbd_check_t *check; 139 kbd_read_char_t *read_char; 140 kbd_check_char_t *check_char; 141 kbd_ioctl_t *ioctl; 142 kbd_lock_t *lock; 143 kbd_clear_state_t *clear_state; 144 kbd_get_state_t *get_state; 145 kbd_set_state_t *set_state; 146 kbd_get_fkeystr_t *get_fkeystr; 147 kbd_diag_t *diag; 148} keyboard_switch_t; 149 150/* keyboard driver */ 151typedef struct keyboard_driver { 152 char *name; 153 keyboard_switch_t *kbdsw; 154 int (*configure)(int); /* backdoor for the console driver */ 155} keyboard_driver_t; 156 157#ifdef KERNEL 158 159#define KEYBOARD_DRIVER(name, sw, config) \ 160 static struct keyboard_driver name##_driver = { \ 161 #name, &sw, config \ 162 }; \ 163 DATA_SET(kbddriver_set, name##_driver); 164 165/* global variables */ 166extern keyboard_switch_t **kbdsw; 167extern struct linker_set kbddriver_set; 168 169/* functions for the keyboard driver */ 170int kbd_register(keyboard_t *kbd); 171int kbd_unregister(keyboard_t *kbd); 172keyboard_switch_t *kbd_get_switch(char *driver); 173void kbd_init_struct(keyboard_t *kbd, char *name, int type, 174 int unit, int config, int port, 175 int port_size); 176void kbd_set_maps(keyboard_t *kbd, struct keymap *keymap, 177 struct accentmap *accmap, 178 struct fkeytab *fkeymap, int fkeymap_size); 179 180/* functions for the keyboard client */ 181int kbd_allocate(char *driver, int unit, void *id, 182 kbd_callback_func_t *func, void *arg); 183int kbd_release(keyboard_t *kbd, void *id); 184int kbd_change_callback(keyboard_t *kbd, void *id, 185 kbd_callback_func_t *func, void *arg); 186int kbd_find_keyboard(char *driver, int unit); 187keyboard_t *kbd_get_keyboard(int index); 188 189/* a back door for the console driver to tickle the keyboard driver XXX */ 190int kbd_configure(int flags); 191 /* see `kb_config' above for flag bit definitions */ 192 193#ifdef KBD_INSTALL_CDEV 194 195/* virtual keyboard cdev driver functions */ 196 197int kbd_attach(dev_t dev, keyboard_t *kbd, 198 struct cdevsw *sw); 199int kbd_detach(dev_t dev, keyboard_t *kbd, 200 struct cdevsw *sw); 201 202/* generic keyboard cdev driver functions */ 203 204typedef struct genkbd_softc { 205 int gkb_flags; /* flag/status bits */ 206#define KB_ASLEEP (1 << 0) 207 struct clist gkb_q; /* input queue */ 208 struct selinfo gkb_rsel; 209} genkbd_softc_t; 210 211int genkbdopen(genkbd_softc_t *sc, keyboard_t *kbd, int flag, int mode, 212 struct proc *p); 213int genkbdclose(genkbd_softc_t *sc, keyboard_t *kbd, int flag, int mode, 214 struct proc *p); 215int genkbdread(genkbd_softc_t *sc, keyboard_t *kbd, struct uio *uio, 216 int flag); 217int genkbdwrite(genkbd_softc_t *sc, keyboard_t *kbd, struct uio *uio, 218 int flag); 219int genkbdioctl(genkbd_softc_t *sc, keyboard_t *kbd, u_long cmd, 220 caddr_t arg, int flag, struct proc *p); 221int genkbdpoll(genkbd_softc_t *sc, keyboard_t *kbd, int event, 222 struct proc *p); 223 224#endif /* KBD_INSTALL_CDEV */ 225 226/* generic low-level keyboard functions */ 227 228/* shift key state */ 229#define SHIFTS1 (1 << 16) 230#define SHIFTS2 (1 << 17) 231#define SHIFTS (SHIFTS1 | SHIFTS2) 232#define CTLS1 (1 << 18) 233#define CTLS2 (1 << 19) 234#define CTLS (CTLS1 | CTLS2) 235#define ALTS1 (1 << 20) 236#define ALTS2 (1 << 21) 237#define ALTS (ALTS1 | ALTS2) 238#define AGRS1 (1 << 22) 239#define AGRS2 (1 << 23) 240#define AGRS (AGRS1 | AGRS2) 241#define METAS1 (1 << 24) 242#define METAS2 (1 << 25) 243#define METAS (METAS1 | METAS2) 244#define NLKDOWN (1 << 26) 245#define SLKDOWN (1 << 27) 246#define CLKDOWN (1 << 28) 247#define ALKDOWN (1 << 29) 248/* lock key state (defined in machine/console.h) */ 249/* 250#define CLKED LED_CAP 251#define NLKED LED_NUM 252#define SLKED LED_SCR 253#define ALKED (1 << 3) 254#define LOCK_MASK (CLKED | NLKED | SLKED | ALKED) 255#define LED_CAP (1 << 0) 256#define LED_NUM (1 << 1) 257#define LED_SCR (1 << 2) 258#define LED_MASK (LED_CAP | LED_NUM | LED_SCR) 259*/ 260 261kbd_get_fkeystr_t genkbd_get_fkeystr; 262kbd_diag_t genkbd_diag; 263 264int genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg); 265int genkbd_keyaction(keyboard_t *kbd, int keycode, int down, 266 int *shiftstate, int *accents); 267 268#endif /* KERNEL */ 269 270#endif /* !_DEV_KBD_KBDREG_H_ */ 271