1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer as 12 * the first lines of this file unmodified. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _DEV_KBD_KBDREG_H_ 32 #define _DEV_KBD_KBDREG_H_ 33 34 /* forward declarations */ 35 typedef struct keyboard keyboard_t; 36 struct keymap; 37 struct accentmap; 38 struct fkeytab; 39 struct cdevsw; 40 41 /* call back funcion */ 42 typedef int kbd_callback_func_t(keyboard_t *kbd, int event, 43 void *arg); 44 /* event types */ 45 #define KBDIO_KEYINPUT 0 46 #define KBDIO_UNLOADING 1 47 48 typedef struct keyboard_callback { 49 kbd_callback_func_t *kc_func; 50 void *kc_arg; 51 } keyboard_callback_t; 52 53 /* keyboard */ 54 struct keyboard { 55 /* the following fields are managed by kbdio */ 56 int kb_index; /* kbdio index# */ 57 int kb_minor; /* minor number of the sub-device */ 58 int kb_flags; /* internal flags */ 59 #define KB_VALID (1 << 16) /* this entry is valid */ 60 #define KB_NO_DEVICE (1 << 17) /* device not present */ 61 #define KB_PROBED (1 << 18) /* device probed */ 62 #define KB_INITIALIZED (1 << 19) /* device initialized */ 63 #define KB_REGISTERED (1 << 20) /* device registered to kbdio */ 64 #define KB_BUSY (1 << 21) /* device used by a client */ 65 #define KB_POLLED (1 << 22) /* device is polled */ 66 int kb_active; /* 0: inactive */ 67 void *kb_token; /* id of the current client */ 68 keyboard_callback_t kb_callback;/* callback function */ 69 70 /* 71 * Device configuration flags: 72 * The upper 16 bits are common between various keyboard devices. 73 * The lower 16 bits are device-specific. 74 */ 75 int kb_config; 76 #define KB_CONF_PROBE_ONLY (1 << 16) /* probe only, don't initialize */ 77 78 /* the following fields are set up by the driver */ 79 char *kb_name; /* driver name */ 80 int kb_unit; /* unit # */ 81 int kb_type; /* KB_84, KB_101, KB_OTHER,... */ 82 int kb_io_base; /* port# if any */ 83 int kb_io_size; /* # of occupied port */ 84 int kb_led; /* LED status */ 85 struct keymap *kb_keymap; /* key map */ 86 struct accentmap *kb_accentmap; /* accent map */ 87 struct fkeytab *kb_fkeytab; /* function key strings */ 88 int kb_fkeytab_size;/* # of function key strings */ 89 void *kb_data; /* the driver's private data */ 90 int kb_delay1; 91 int kb_delay2; 92 #define KB_DELAY1 500 93 #define KB_DELAY2 100 94 unsigned long kb_count; /* # of processed key strokes */ 95 u_char kb_lastact[NUM_KEYS/2]; 96 struct cdev *kb_dev; 97 }; 98 99 #define KBD_IS_VALID(k) ((k)->kb_flags & KB_VALID) 100 #define KBD_VALID(k) ((k)->kb_flags |= KB_VALID) 101 #define KBD_INVALID(k) ((k)->kb_flags &= ~KB_VALID) 102 #define KBD_HAS_DEVICE(k) (!((k)->kb_flags & KB_NO_DEVICE)) 103 #define KBD_FOUND_DEVICE(k) ((k)->kb_flags &= ~KB_NO_DEVICE) 104 #define KBD_IS_PROBED(k) ((k)->kb_flags & KB_PROBED) 105 #define KBD_PROBE_DONE(k) ((k)->kb_flags |= KB_PROBED) 106 #define KBD_IS_INITIALIZED(k) ((k)->kb_flags & KB_INITIALIZED) 107 #define KBD_INIT_DONE(k) ((k)->kb_flags |= KB_INITIALIZED) 108 #define KBD_IS_CONFIGURED(k) ((k)->kb_flags & KB_REGISTERED) 109 #define KBD_CONFIG_DONE(k) ((k)->kb_flags |= KB_REGISTERED) 110 #define KBD_IS_BUSY(k) ((k)->kb_flags & KB_BUSY) 111 #define KBD_BUSY(k) ((k)->kb_flags |= KB_BUSY) 112 #define KBD_UNBUSY(k) ((k)->kb_flags &= ~KB_BUSY) 113 #define KBD_IS_POLLED(k) ((k)->kb_flags & KB_POLLED) 114 #define KBD_POLL(k) ((k)->kb_flags |= KB_POLLED) 115 #define KBD_UNPOLL(k) ((k)->kb_flags &= ~KB_POLLED) 116 #define KBD_IS_ACTIVE(k) ((k)->kb_active) 117 #define KBD_ACTIVATE(k) (++(k)->kb_active) 118 #define KBD_DEACTIVATE(k) (--(k)->kb_active) 119 #define KBD_LED_VAL(k) ((k)->kb_led) 120 121 /* keyboard function table */ 122 typedef int kbd_probe_t(int unit, void *arg, int flags); 123 typedef int kbd_init_t(int unit, keyboard_t **kbdp, void *arg, 124 int flags); 125 typedef int kbd_term_t(keyboard_t *kbd); 126 typedef int kbd_intr_t(keyboard_t *kbd, void *arg); 127 typedef int kbd_test_if_t(keyboard_t *kbd); 128 typedef int kbd_enable_t(keyboard_t *kbd); 129 typedef int kbd_disable_t(keyboard_t *kbd); 130 typedef int kbd_read_t(keyboard_t *kbd, int wait); 131 typedef int kbd_check_t(keyboard_t *kbd); 132 typedef u_int kbd_read_char_t(keyboard_t *kbd, int wait); 133 typedef int kbd_check_char_t(keyboard_t *kbd); 134 typedef int kbd_ioctl_t(keyboard_t *kbd, u_long cmd, caddr_t data); 135 typedef int kbd_lock_t(keyboard_t *kbd, int lock); 136 typedef void kbd_clear_state_t(keyboard_t *kbd); 137 typedef int kbd_get_state_t(keyboard_t *kbd, void *buf, size_t len); 138 typedef int kbd_set_state_t(keyboard_t *kbd, void *buf, size_t len); 139 typedef u_char *kbd_get_fkeystr_t(keyboard_t *kbd, int fkey, 140 size_t *len); 141 typedef int kbd_poll_mode_t(keyboard_t *kbd, int on); 142 typedef void kbd_diag_t(keyboard_t *kbd, int level); 143 144 typedef struct keyboard_switch { 145 kbd_probe_t *probe; 146 kbd_init_t *init; 147 kbd_term_t *term; 148 kbd_intr_t *intr; 149 kbd_test_if_t *test_if; 150 kbd_enable_t *enable; 151 kbd_disable_t *disable; 152 kbd_read_t *read; 153 kbd_check_t *check; 154 kbd_read_char_t *read_char; 155 kbd_check_char_t *check_char; 156 kbd_ioctl_t *ioctl; 157 kbd_lock_t *lock; 158 kbd_clear_state_t *clear_state; 159 kbd_get_state_t *get_state; 160 kbd_set_state_t *set_state; 161 kbd_get_fkeystr_t *get_fkeystr; 162 kbd_poll_mode_t *poll; 163 kbd_diag_t *diag; 164 } keyboard_switch_t; 165 166 /* 167 * Keyboard disciplines: call actual handlers via kbdsw[]. 168 */ 169 #define kbdd_probe(kbd, unit, arg, flags) \ 170 (*kbdsw[(kbd)->kb_index]->probe)((unit), (arg), (flags)) 171 #define kbdd_init(kbd, unit, kbdpp, arg, flags) \ 172 (*kbdsw[(kbd)->kb_index]->init)((unit), (kbdpp), (arg), (flags)) 173 #define kbdd_term(kbd) \ 174 (*kbdsw[(kbd)->kb_index]->term)((kbd)) 175 #define kbdd_intr(kbd, arg) \ 176 (*kbdsw[(kbd)->kb_index]->intr)((kbd), (arg)) 177 #define kbdd_test_if(kbd) \ 178 (*kbdsw[(kbd)->kb_index]->test_if)((kbd)) 179 #define kbdd_enable(kbd) \ 180 (*kbdsw[(kbd)->kb_index]->enable)((kbd)) 181 #define kbdd_disable(kbd) \ 182 (*kbdsw[(kbd)->kb_index]->disable)((kbd)) 183 #define kbdd_read(kbd, wait) \ 184 (*kbdsw[(kbd)->kb_index]->read)((kbd), (wait)) 185 #define kbdd_check(kbd) \ 186 (*kbdsw[(kbd)->kb_index]->check)((kbd)) 187 #define kbdd_read_char(kbd, wait) \ 188 (*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait)) 189 #define kbdd_check_char(kbd) \ 190 (*kbdsw[(kbd)->kb_index]->check_char)((kbd)) 191 #define kbdd_ioctl(kbd, cmd, arg) \ 192 (((kbd) == NULL) ? \ 193 ENODEV : \ 194 (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg))) 195 #define kbdd_lock(kbd, lockf) \ 196 (*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf)) 197 #define kbdd_clear_state(kbd) \ 198 (*kbdsw[(kbd)->kb_index]->clear_state)((kbd)) 199 #define kbdd_get_state(kbd, buf, len) \ 200 (*kbdsw[(kbd)->kb_index]->get_state)((kbd), (buf), (len)) 201 #define kbdd_set_state(kbd, buf, len) \ 202 (*kbdsw[(kbd)->kb_index]->set_state)((kbd), (buf), (len)) 203 #define kbdd_get_fkeystr(kbd, fkey, len) \ 204 (*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len)) 205 #define kbdd_poll(kbd, on) \ 206 (*kbdsw[(kbd)->kb_index]->poll)((kbd), (on)) 207 #define kbdd_diag(kbd, level) \ 208 (*kbdsw[(kbd)->kb_index]->diag)((kbd), (leve)) 209 210 /* keyboard driver */ 211 typedef struct keyboard_driver { 212 SLIST_ENTRY(keyboard_driver) link; 213 char *name; 214 keyboard_switch_t *kbdsw; 215 int (*configure)(int); /* backdoor for the console driver */ 216 } keyboard_driver_t; 217 218 #ifdef _KERNEL 219 220 #define KEYBOARD_DRIVER(name, sw, config) \ 221 static struct keyboard_driver name##_kbd_driver = { \ 222 { NULL }, #name, &sw, config \ 223 }; \ 224 DATA_SET(kbddriver_set, name##_kbd_driver); 225 226 /* global variables */ 227 extern keyboard_switch_t **kbdsw; 228 229 /* functions for the keyboard driver */ 230 int kbd_add_driver(keyboard_driver_t *driver); 231 int kbd_delete_driver(keyboard_driver_t *driver); 232 int kbd_register(keyboard_t *kbd); 233 int kbd_unregister(keyboard_t *kbd); 234 keyboard_switch_t *kbd_get_switch(char *driver); 235 void kbd_init_struct(keyboard_t *kbd, char *name, int type, 236 int unit, int config, int port, 237 int port_size); 238 void kbd_set_maps(keyboard_t *kbd, struct keymap *keymap, 239 struct accentmap *accmap, 240 struct fkeytab *fkeymap, int fkeymap_size); 241 242 /* functions for the keyboard client */ 243 int kbd_allocate(char *driver, int unit, void *id, 244 kbd_callback_func_t *func, void *arg); 245 int kbd_release(keyboard_t *kbd, void *id); 246 int kbd_change_callback(keyboard_t *kbd, void *id, 247 kbd_callback_func_t *func, void *arg); 248 int kbd_find_keyboard(char *driver, int unit); 249 int kbd_find_keyboard2(char *driver, int unit, int index); 250 keyboard_t *kbd_get_keyboard(int index); 251 252 /* a back door for the console driver to tickle the keyboard driver XXX */ 253 int kbd_configure(int flags); 254 /* see `kb_config' above for flag bit definitions */ 255 256 /* evdev2kbd mappings */ 257 void kbd_ev_event(keyboard_t *kbd, uint16_t type, 258 uint16_t code, int32_t value); 259 260 #ifdef KBD_INSTALL_CDEV 261 262 /* virtual keyboard cdev driver functions */ 263 int kbd_attach(keyboard_t *kbd); 264 int kbd_detach(keyboard_t *kbd); 265 266 #endif /* KBD_INSTALL_CDEV */ 267 268 /* generic low-level keyboard functions */ 269 270 /* shift key state */ 271 #define SHIFTS1 (1 << 16) 272 #define SHIFTS2 (1 << 17) 273 #define SHIFTS (SHIFTS1 | SHIFTS2) 274 #define CTLS1 (1 << 18) 275 #define CTLS2 (1 << 19) 276 #define CTLS (CTLS1 | CTLS2) 277 #define ALTS1 (1 << 20) 278 #define ALTS2 (1 << 21) 279 #define ALTS (ALTS1 | ALTS2) 280 #define AGRS1 (1 << 22) 281 #define AGRS2 (1 << 23) 282 #define AGRS (AGRS1 | AGRS2) 283 #define METAS1 (1 << 24) 284 #define METAS2 (1 << 25) 285 #define METAS (METAS1 | METAS2) 286 #define NLKDOWN (1 << 26) 287 #define SLKDOWN (1 << 27) 288 #define CLKDOWN (1 << 28) 289 #define ALKDOWN (1 << 29) 290 #define SHIFTAON (1 << 30) 291 /* lock key state (defined in sys/kbio.h) */ 292 /* 293 #define CLKED LED_CAP 294 #define NLKED LED_NUM 295 #define SLKED LED_SCR 296 #define ALKED (1 << 3) 297 #define LOCK_MASK (CLKED | NLKED | SLKED | ALKED) 298 #define LED_CAP (1 << 0) 299 #define LED_NUM (1 << 1) 300 #define LED_SCR (1 << 2) 301 #define LED_MASK (LED_CAP | LED_NUM | LED_SCR) 302 */ 303 304 kbd_get_fkeystr_t genkbd_get_fkeystr; 305 kbd_diag_t genkbd_diag; 306 307 int genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg); 308 int genkbd_keyaction(keyboard_t *kbd, int keycode, int up, 309 int *shiftstate, int *accents); 310 311 #endif /* _KERNEL */ 312 313 #endif /* !_DEV_KBD_KBDREG_H_ */ 314