FreeBSD/Linux Kernel Cross Reference
sys/dev/kbd/kbdreg.h
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 * $FreeBSD$
27 */
28
29 #ifndef _DEV_KBD_KBDREG_H_
30 #define _DEV_KBD_KBDREG_H_
31
32 /* forward declarations */
33 typedef struct keyboard keyboard_t;
34 struct keymap;
35 struct accentmap;
36 struct fkeytab;
37 struct cdevsw;
38
39 /* call back funcion */
40 typedef int kbd_callback_func_t(keyboard_t *kbd, int event,
41 void *arg);
42 /* event types */
43 #define KBDIO_KEYINPUT 0
44 #define KBDIO_UNLOADING 1
45
46 typedef struct keyboard_callback {
47 kbd_callback_func_t *kc_func;
48 void *kc_arg;
49 } keyboard_callback_t;
50
51 /* keyboard */
52 struct keyboard {
53 /* the following fields are managed by kbdio */
54 int kb_index; /* kbdio index# */
55 int kb_minor; /* minor number of the sub-device */
56 int kb_flags; /* internal flags */
57 #define KB_VALID (1 << 16) /* this entry is valid */
58 #define KB_NO_DEVICE (1 << 17) /* device not present */
59 #define KB_PROBED (1 << 18) /* device probed */
60 #define KB_INITIALIZED (1 << 19) /* device initialized */
61 #define KB_REGISTERED (1 << 20) /* device registered to kbdio */
62 #define KB_BUSY (1 << 21) /* device used by a client */
63 int kb_active; /* 0: inactive */
64 void *kb_token; /* id of the current client */
65 keyboard_callback_t kb_callback;/* callback function */
66
67 /*
68 * Device configuration flags:
69 * The upper 16 bits are common between various keyboard devices.
70 * The lower 16 bits are device-specific.
71 */
72 int kb_config;
73 #define KB_CONF_PROBE_ONLY (1 << 16) /* probe only, don't initialize */
74
75 /* the following fields are set up by the driver */
76 char *kb_name; /* driver name */
77 int kb_unit; /* unit # */
78 int kb_type; /* KB_84, KB_101, KB_OTHER,... */
79 int kb_io_base; /* port# if any */
80 int kb_io_size; /* # of occupied port */
81 int kb_led; /* LED status */
82 struct keymap *kb_keymap; /* key map */
83 struct accentmap *kb_accentmap; /* accent map */
84 struct fkeytab *kb_fkeytab; /* function key strings */
85 int kb_fkeytab_size;/* # of function key strings */
86 void *kb_data; /* the driver's private data */
87 int kb_delay1;
88 int kb_delay2;
89 #define KB_DELAY1 500
90 #define KB_DELAY2 100
91 };
92
93 #define KBD_IS_VALID(k) ((k)->kb_flags & KB_VALID)
94 #define KBD_VALID(k) ((k)->kb_flags |= KB_VALID)
95 #define KBD_INVALID(k) ((k)->kb_flags &= ~KB_VALID)
96 #define KBD_HAS_DEVICE(k) (!((k)->kb_flags & KB_NO_DEVICE))
97 #define KBD_FOUND_DEVICE(k) ((k)->kb_flags &= ~KB_NO_DEVICE)
98 #define KBD_IS_PROBED(k) ((k)->kb_flags & KB_PROBED)
99 #define KBD_PROBE_DONE(k) ((k)->kb_flags |= KB_PROBED)
100 #define KBD_IS_INITIALIZED(k) ((k)->kb_flags & KB_INITIALIZED)
101 #define KBD_INIT_DONE(k) ((k)->kb_flags |= KB_INITIALIZED)
102 #define KBD_IS_CONFIGURED(k) ((k)->kb_flags & KB_REGISTERED)
103 #define KBD_CONFIG_DONE(k) ((k)->kb_flags |= KB_REGISTERED)
104 #define KBD_IS_BUSY(k) ((k)->kb_flags & KB_BUSY)
105 #define KBD_BUSY(k) ((k)->kb_flags |= KB_BUSY)
106 #define KBD_UNBUSY(k) ((k)->kb_flags &= ~KB_BUSY)
107 #define KBD_IS_ACTIVE(k) ((k)->kb_active)
108 #define KBD_ACTIVATE(k) (++(k)->kb_active)
109 #define KBD_DEACTIVATE(k) (--(k)->kb_active)
110 #define KBD_LED_VAL(k) ((k)->kb_led)
111
112 /* keyboard function table */
113 typedef int kbd_probe_t(int unit, void *arg, int flags);
114 typedef int kbd_init_t(int unit, keyboard_t **kbdp, void *arg,
115 int flags);
116 typedef int kbd_term_t(keyboard_t *kbd);
117 typedef int kbd_intr_t(keyboard_t *kbd, void *arg);
118 typedef int kbd_test_if_t(keyboard_t *kbd);
119 typedef int kbd_enable_t(keyboard_t *kbd);
120 typedef int kbd_disable_t(keyboard_t *kbd);
121 typedef int kbd_read_t(keyboard_t *kbd, int wait);
122 typedef int kbd_check_t(keyboard_t *kbd);
123 typedef u_int kbd_read_char_t(keyboard_t *kbd, int wait);
124 typedef int kbd_check_char_t(keyboard_t *kbd);
125 typedef int kbd_ioctl_t(keyboard_t *kbd, u_long cmd, caddr_t data);
126 typedef int kbd_lock_t(keyboard_t *kbd, int lock);
127 typedef void kbd_clear_state_t(keyboard_t *kbd);
128 typedef int kbd_get_state_t(keyboard_t *kbd, void *buf, size_t len);
129 typedef int kbd_set_state_t(keyboard_t *kbd, void *buf, size_t len);
130 typedef u_char *kbd_get_fkeystr_t(keyboard_t *kbd, int fkey,
131 size_t *len);
132 typedef int kbd_poll_mode_t(keyboard_t *kbd, int on);
133 typedef void kbd_diag_t(keyboard_t *kbd, int level);
134
135 typedef struct keyboard_switch {
136 kbd_probe_t *probe;
137 kbd_init_t *init;
138 kbd_term_t *term;
139 kbd_intr_t *intr;
140 kbd_test_if_t *test_if;
141 kbd_enable_t *enable;
142 kbd_disable_t *disable;
143 kbd_read_t *read;
144 kbd_check_t *check;
145 kbd_read_char_t *read_char;
146 kbd_check_char_t *check_char;
147 kbd_ioctl_t *ioctl;
148 kbd_lock_t *lock;
149 kbd_clear_state_t *clear_state;
150 kbd_get_state_t *get_state;
151 kbd_set_state_t *set_state;
152 kbd_get_fkeystr_t *get_fkeystr;
153 kbd_poll_mode_t *poll;
154 kbd_diag_t *diag;
155 } keyboard_switch_t;
156
157 /* keyboard driver */
158 typedef struct keyboard_driver {
159 char *name;
160 keyboard_switch_t *kbdsw;
161 int (*configure)(int); /* backdoor for the console driver */
162 } keyboard_driver_t;
163
164 #ifdef KERNEL
165
166 #define KEYBOARD_DRIVER(name, sw, config) \
167 static struct keyboard_driver name##_kbd_driver = { \
168 #name, &sw, config \
169 }; \
170 DATA_SET(kbddriver_set, name##_kbd_driver);
171
172 /* global variables */
173 extern keyboard_switch_t **kbdsw;
174 extern struct linker_set kbddriver_set;
175
176 /* functions for the keyboard driver */
177 int kbd_register(keyboard_t *kbd);
178 int kbd_unregister(keyboard_t *kbd);
179 keyboard_switch_t *kbd_get_switch(char *driver);
180 void kbd_init_struct(keyboard_t *kbd, char *name, int type,
181 int unit, int config, int port,
182 int port_size);
183 void kbd_set_maps(keyboard_t *kbd, struct keymap *keymap,
184 struct accentmap *accmap,
185 struct fkeytab *fkeymap, int fkeymap_size);
186
187 /* functions for the keyboard client */
188 int kbd_allocate(char *driver, int unit, void *id,
189 kbd_callback_func_t *func, void *arg);
190 int kbd_release(keyboard_t *kbd, void *id);
191 int kbd_change_callback(keyboard_t *kbd, void *id,
192 kbd_callback_func_t *func, void *arg);
193 int kbd_find_keyboard(char *driver, int unit);
194 keyboard_t *kbd_get_keyboard(int index);
195
196 /* a back door for the console driver to tickle the keyboard driver XXX */
197 int kbd_configure(int flags);
198 /* see `kb_config' above for flag bit definitions */
199
200 #ifdef KBD_INSTALL_CDEV
201
202 /* virtual keyboard cdev driver functions */
203 int kbd_attach(keyboard_t *kbd);
204 int kbd_detach(keyboard_t *kbd);
205
206 #endif /* KBD_INSTALL_CDEV */
207
208 /* generic low-level keyboard functions */
209
210 /* shift key state */
211 #define SHIFTS1 (1 << 16)
212 #define SHIFTS2 (1 << 17)
213 #define SHIFTS (SHIFTS1 | SHIFTS2)
214 #define CTLS1 (1 << 18)
215 #define CTLS2 (1 << 19)
216 #define CTLS (CTLS1 | CTLS2)
217 #define ALTS1 (1 << 20)
218 #define ALTS2 (1 << 21)
219 #define ALTS (ALTS1 | ALTS2)
220 #define AGRS1 (1 << 22)
221 #define AGRS2 (1 << 23)
222 #define AGRS (AGRS1 | AGRS2)
223 #define METAS1 (1 << 24)
224 #define METAS2 (1 << 25)
225 #define METAS (METAS1 | METAS2)
226 #define NLKDOWN (1 << 26)
227 #define SLKDOWN (1 << 27)
228 #define CLKDOWN (1 << 28)
229 #define ALKDOWN (1 << 29)
230 /* lock key state (defined in machine/console.h) */
231 /*
232 #define CLKED LED_CAP
233 #define NLKED LED_NUM
234 #define SLKED LED_SCR
235 #define ALKED (1 << 3)
236 #define LOCK_MASK (CLKED | NLKED | SLKED | ALKED)
237 #define LED_CAP (1 << 0)
238 #define LED_NUM (1 << 1)
239 #define LED_SCR (1 << 2)
240 #define LED_MASK (LED_CAP | LED_NUM | LED_SCR)
241 */
242
243 kbd_get_fkeystr_t genkbd_get_fkeystr;
244 kbd_diag_t genkbd_diag;
245
246 int genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg);
247 int genkbd_keyaction(keyboard_t *kbd, int keycode, int down,
248 int *shiftstate, int *accents);
249
250 #endif /* KERNEL */
251
252 #endif /* !_DEV_KBD_KBDREG_H_ */
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