xref: /dragonfly/sys/dev/misc/kbd/kbdreg.h (revision a162a738eca94f99d45d88429e86cfd0fbfbe95d)
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  * $FreeBSD: src/sys/dev/kbd/kbdreg.h,v 1.9.2.2 2001/07/30 16:46:44 yokota Exp $
27  */
28 
29 #ifndef _DEV_KBD_KBDREG_H_
30 #define _DEV_KBD_KBDREG_H_
31 
32 #ifndef _SYS_LOCK_H_
33 #include <sys/lock.h>
34 #endif
35 
36 /* forward declarations */
37 typedef struct keyboard keyboard_t;
38 struct keymap;
39 struct accentmap;
40 struct fkeytab;
41 struct cdevsw;
42 
43 /* call back funcion */
44 typedef int                   kbd_callback_func_t(keyboard_t *kbd, int event,
45                                                       void *arg);
46 /* event types */
47 #define KBDIO_KEYINPUT        0
48 #define KBDIO_UNLOADING       1
49 
50 typedef struct keyboard_callback {
51           kbd_callback_func_t *kc_func;
52           void                *kc_arg;
53 } keyboard_callback_t;
54 
55 /* keyboard */
56 struct keyboard {
57           /* the following fields are managed by kbdio */
58           int                 kb_index; /* kbdio index# */
59           int                 kb_minor; /* minor number of the sub-device */
60           int                 kb_flags; /* internal flags */
61           cdev_t              kb_dev;             /* related devfs dev */
62 #define KB_VALID    (1 << 16) /* this entry is valid */
63 #define KB_NO_DEVICE          (1 << 17) /* device not present */
64 #define KB_PROBED   (1 << 18) /* device probed */
65 #define KB_INITIALIZED        (1 << 19) /* device initialized */
66 #define KB_REGISTERED         (1 << 20) /* device registered to kbdio */
67 #define KB_BUSY               (1 << 21) /* device used by a client */
68 #define KB_POLLED   (1 << 22) /* device is polled */
69           int                 kb_active;          /* 0: inactive */
70           void                *kb_token;          /* id of the current client */
71           keyboard_callback_t kb_callback;/* callback function */
72 
73           /*
74            * Device configuration flags:
75            * The upper 16 bits are common between various keyboard devices.
76            * The lower 16 bits are device-specific.
77            */
78           int                 kb_config;
79 #define KB_CONF_PROBE_ONLY (1 << 16)    /* probe only, don't initialize */
80 
81           /* the following fields are set up by the driver */
82           char                *kb_name; /* driver name */
83           int                 kb_unit;  /* unit # */
84           int                 kb_type;  /* KB_84, KB_101, KB_OTHER,... */
85           int                 kb_io_base;         /* port# if any */
86           int                 kb_io_size;         /* # of occupied port */
87           int                 kb_led;             /* LED status */
88           int                 kb_savemode;        /* device specific (used by usb) */
89           struct keymap       *kb_keymap;         /* key map */
90           struct accentmap *kb_accentmap;         /* accent map */
91           struct fkeytab      *kb_fkeytab;        /* function key strings */
92           int                 kb_fkeytab_size;/* # of function key strings */
93           void                *kb_data; /* the driver's private data */
94           int                 kb_delay1;
95           int                 kb_delay2;
96 #define KB_DELAY1   500
97 #define KB_DELAY2   100
98           unsigned long       kb_count; /* # of processed key strokes */
99           int                 kb_pref;  /* keyboard preference */
100           u_char              kb_lastact[NUM_KEYS/2];
101           struct callout  kb_atkbd_timeout_ch;
102           struct lock         kb_lock;
103 };
104 
105 #define KBD_IS_VALID(k)                 ((k)->kb_flags & KB_VALID)
106 #define KBD_VALID(k)                    ((k)->kb_flags |= KB_VALID)
107 #define KBD_INVALID(k)                  ((k)->kb_flags &= ~KB_VALID)
108 #define KBD_HAS_DEVICE(k)     (!((k)->kb_flags & KB_NO_DEVICE))
109 #define KBD_FOUND_DEVICE(k)   ((k)->kb_flags &= ~KB_NO_DEVICE)
110 #define KBD_LOST_DEVICE(k)    ((k)->kb_flags |= KB_NO_DEVICE)
111 #define KBD_IS_PROBED(k)      ((k)->kb_flags & KB_PROBED)
112 #define KBD_PROBE_DONE(k)     ((k)->kb_flags |= KB_PROBED)
113 #define KBD_LOST_PROBE(k)     ((k)->kb_flags &= ~KB_PROBED)
114 #define KBD_IS_INITIALIZED(k) ((k)->kb_flags & KB_INITIALIZED)
115 #define KBD_INIT_DONE(k)      ((k)->kb_flags |= KB_INITIALIZED)
116 #define KBD_LOST_INIT(k)      ((k)->kb_flags &= ~KB_INITIALIZED)
117 #define KBD_IS_CONFIGURED(k)  ((k)->kb_flags & KB_REGISTERED)
118 #define KBD_CONFIG_DONE(k)    ((k)->kb_flags |= KB_REGISTERED)
119 #define KBD_CONFIG_LOST(k)    ((k)->kb_flags &= ~KB_REGISTERED)
120 #define KBD_IS_BUSY(k)                  ((k)->kb_flags & KB_BUSY)
121 #define KBD_BUSY(k)           ((k)->kb_flags |= KB_BUSY)
122 #define KBD_UNBUSY(k)                   ((k)->kb_flags &= ~KB_BUSY)
123 #define KBD_IS_POLLED(k)      ((k)->kb_flags & KB_POLLED)
124 #define KBD_POLL(k)           ((k)->kb_flags |= KB_POLLED)
125 #define KBD_UNPOLL(k)                   ((k)->kb_flags &= ~KB_POLLED)
126 #define KBD_IS_ACTIVE(k)      ((k)->kb_active)
127 #define KBD_ACTIVATE(k)                 (++(k)->kb_active)
128 #define KBD_DEACTIVATE(k)     (--(k)->kb_active)
129 #define KBD_LED_VAL(k)                  ((k)->kb_led)
130 
131 #define KBD_MAXKEYBOARDS      16
132 
133 /* Locking functions */
134 
135 #define KBD_LOCK_DECLARE      int dont_lock
136 
137 #define KBD_LOCK(k)                                                   \
138           do {                                                                  \
139                     dont_lock = (k)->kb_flags & KB_POLLED;            \
140                     if (dont_lock == 0)                               \
141                               lockmgr(&(k)->kb_lock, LK_EXCLUSIVE);   \
142           } while (0)
143 
144 #define KBD_UNLOCK(k)                                                           \
145           do {                                                                  \
146                     if (dont_lock == 0)                               \
147                               lockmgr(&(k)->kb_lock, LK_RELEASE);     \
148           } while (0)
149 
150 #define KBD_LOCK_ASSERT(k)                                            \
151           KKASSERT(((k)->kb_flags & KB_POLLED) ||                     \
152                      lockstatus(&(k)->kb_lock, curthread) == LK_EXCLUSIVE)
153 
154 #define KBD_ALWAYS_LOCK(k)                                            \
155                     lockmgr(&(k)->kb_lock, LK_EXCLUSIVE);             \
156 
157 #define KBD_ALWAYS_UNLOCK(k)                                          \
158                     lockmgr(&(k)->kb_lock, LK_RELEASE);               \
159 
160 /* keyboard function table */
161 typedef int                   kbd_probe_t(int unit, void *arg, int flags);
162 typedef int                   kbd_init_t(int unit, keyboard_t **kbdp,
163                                         void *arg, int flags);
164 typedef int                   kbd_term_t(keyboard_t *kbd);
165 typedef int                   kbd_intr_t(keyboard_t *kbd, void *arg);
166 typedef int                   kbd_test_if_t(keyboard_t *kbd);
167 typedef int                   kbd_enable_t(keyboard_t *kbd);
168 typedef int                   kbd_disable_t(keyboard_t *kbd);
169 typedef int                   kbd_read_t(keyboard_t *kbd, int wait);
170 typedef int                   kbd_check_t(keyboard_t *kbd);
171 typedef u_int                 kbd_read_char_t(keyboard_t *kbd, int wait);
172 typedef int                   kbd_check_char_t(keyboard_t *kbd);
173 typedef int                   kbd_ioctl_t(keyboard_t *kbd, u_long cmd, caddr_t data);
174 typedef int                   kbd_lock_t(keyboard_t *kbd, int lock);
175 typedef void                  kbd_clear_state_t(keyboard_t *kbd);
176 typedef int                   kbd_get_state_t(keyboard_t *kbd, void *buf, size_t len);
177 typedef int                   kbd_set_state_t(keyboard_t *kbd, void *buf, size_t len);
178 typedef u_char                *kbd_get_fkeystr_t(keyboard_t *kbd, int fkey,
179                                         size_t *len);
180 typedef int                   kbd_poll_mode_t(keyboard_t *kbd, int on);
181 typedef void                  kbd_diag_t(keyboard_t *kbd, int level);
182 
183 typedef struct keyboard_switch {
184           kbd_probe_t         *probe;
185           kbd_init_t          *init;
186           kbd_term_t          *term;
187           kbd_intr_t          *intr;
188           kbd_test_if_t       *test_if;
189           kbd_enable_t        *enable;
190           kbd_disable_t       *disable;
191           kbd_read_t          *read;
192           kbd_check_t         *check;
193           kbd_read_char_t     *read_char;
194           kbd_check_char_t *check_char;
195           kbd_ioctl_t         *ioctl;
196           kbd_lock_t          *lock;
197           kbd_clear_state_t *clear_state;
198           kbd_get_state_t     *get_state;
199           kbd_set_state_t     *set_state;
200           kbd_get_fkeystr_t *get_fkeystr;
201           kbd_poll_mode_t *poll;
202           kbd_diag_t          *diag;
203 } keyboard_switch_t;
204 
205 int sw_probe(keyboard_switch_t *sw, int unit, void *arg, int flags);
206 int sw_init(keyboard_switch_t *sw, int unit, keyboard_t **kbdpp,
207                     void *arg, int flags);
208 
209 kbd_term_t          kbd_term;
210 kbd_intr_t          kbd_intr;
211 kbd_test_if_t       kbd_test_if;
212 kbd_enable_t        kbd_enable;
213 kbd_disable_t       kbd_disable;
214 kbd_read_t          kbd_read;
215 kbd_check_t         kbd_check;
216 kbd_read_char_t     kbd_read_char;
217 kbd_check_char_t kbd_check_char;
218 kbd_ioctl_t         kbd_ioctl;
219 kbd_lock_t          kbd_lock;
220 kbd_clear_state_t kbd_clear_state;
221 kbd_get_state_t     kbd_get_state;
222 kbd_set_state_t     kbd_set_state;
223 kbd_get_fkeystr_t kbd_get_fkeystr;
224 kbd_poll_mode_t kbd_poll;
225 kbd_diag_t          kbd_diag;
226 
227 /* keyboard driver */
228 typedef struct keyboard_driver {
229     SLIST_ENTRY(keyboard_driver) link;
230     char            *name;
231     keyboard_switch_t         *kbdsw;
232     int                       (*configure)(int); /* backdoor for the console driver */
233 } keyboard_driver_t;
234 
235 #ifdef _KERNEL
236 
237 #define KEYBOARD_DRIVER(name, sw, config)                   \
238           static struct keyboard_driver name##_kbd_driver = { \
239                     { NULL }, #name, &sw, config            \
240           };                                                          \
241           DATA_SET(kbddriver_set, name##_kbd_driver)
242 
243 /* global variables */
244 extern keyboard_switch_t *kbdsw[KBD_MAXKEYBOARDS];
245 
246 /* functions for the keyboard driver */
247 int                           kbd_add_driver(keyboard_driver_t *driver);
248 int                           kbd_delete_driver(keyboard_driver_t *driver);
249 int                           kbd_register(keyboard_t *kbd);
250 int                           kbd_unregister(keyboard_t *kbd);
251 keyboard_switch_t   *kbd_get_switch(char *driver);
252 void                          kbd_init_struct(keyboard_t *kbd, char *name, int type,
253                                                   int unit, int config, int pref,
254                                                   int port, int port_size);
255 void                          kbd_reinit_struct(keyboard_t *kbd,
256                                                   int config, int pref);
257 void                          kbd_set_maps(keyboard_t *kbd, struct keymap *keymap,
258                                              struct accentmap *accmap,
259                                              struct fkeytab *fkeymap, int fkeymap_size);
260 
261 /* functions for the keyboard client */
262 int                           kbd_allocate(char *driver, int unit, void *id,
263                                              kbd_callback_func_t *func, void *arg);
264 int                           kbd_release(keyboard_t *kbd, void *id);
265 int                           kbd_change_callback(keyboard_t *kbd, void *id,
266                                              kbd_callback_func_t *func, void *arg);
267 int                           kbd_find_keyboard(char *driver, int unit);
268 int                           kbd_find_keyboard2(char *driver, int unit, int index, int legacy);
269 keyboard_t                    *kbd_get_keyboard(int index);
270 
271 /* a back door for the console driver to tickle the keyboard driver XXX */
272 int                           kbd_configure(int flags);
273                               /* see `kb_config' above for flag bit definitions */
274 
275 #ifdef KBD_INSTALL_CDEV
276 
277 /* virtual keyboard cdev driver functions */
278 int                           kbd_attach(keyboard_t *kbd);
279 int                           kbd_detach(keyboard_t *kbd);
280 
281 #endif /* KBD_INSTALL_CDEV */
282 
283 /* generic low-level keyboard functions */
284 
285 /* shift key state */
286 #define SHIFTS1               (1 << 16)
287 #define SHIFTS2               (1 << 17)
288 #define SHIFTS                (SHIFTS1 | SHIFTS2)
289 #define CTLS1                 (1 << 18)
290 #define CTLS2                 (1 << 19)
291 #define CTLS                  (CTLS1 | CTLS2)
292 #define ALTS1                 (1 << 20)
293 #define ALTS2                 (1 << 21)
294 #define ALTS                  (ALTS1 | ALTS2)
295 #define AGRS1                 (1 << 22)
296 #define AGRS2                 (1 << 23)
297 #define AGRS                  (AGRS1 | AGRS2)
298 #define METAS1                (1 << 24)
299 #define METAS2                (1 << 25)
300 #define METAS                 (METAS1 | METAS2)
301 #define NLKDOWN               (1 << 26)
302 #define SLKDOWN               (1 << 27)
303 #define CLKDOWN               (1 << 28)
304 #define ALKDOWN               (1 << 29)
305 #define SHIFTAON    (1 << 30)
306 /* lock key state (defined in machine/console.h) */
307 /*
308 #define CLKED                 LED_CAP
309 #define NLKED                 LED_NUM
310 #define SLKED                 LED_SCR
311 #define ALKED                 (1 << 3)
312 #define LOCK_MASK   (CLKED | NLKED | SLKED | ALKED)
313 #define LED_CAP               (1 << 0)
314 #define LED_NUM               (1 << 1)
315 #define LED_SCR               (1 << 2)
316 #define LED_MASK    (LED_CAP | LED_NUM | LED_SCR)
317 */
318 
319 #define KB_PRI_MUX  10
320 #define KB_PRI_ATKBD          50
321 #define KB_PRI_USB  60
322 
323 kbd_get_fkeystr_t   genkbd_get_fkeystr;
324 kbd_diag_t                    genkbd_diag;
325 
326 int       genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg);
327 int       genkbd_keyaction(keyboard_t *kbd, int keycode, int up,
328                                int *shiftstate, int *accents);
329 
330 #ifdef EVDEV_SUPPORT
331 void      kbd_ev_event(keyboard_t *kbd, uint16_t type, uint16_t code, int32_t value);
332 #endif
333 #endif /* _KERNEL */
334 
335 #endif /* !_DEV_KBD_KBDREG_H_ */
336