xref: /dragonfly/sys/dev/misc/kbd/kbdreg.h (revision 71126e33)
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  * $DragonFly: src/sys/dev/misc/kbd/kbdreg.h,v 1.5 2004/09/19 02:15:44 dillon Exp $
28  */
29 
30 #ifndef _DEV_KBD_KBDREG_H_
31 #define _DEV_KBD_KBDREG_H_
32 
33 /* forward declarations */
34 typedef struct keyboard keyboard_t;
35 struct keymap;
36 struct accentmap;
37 struct fkeytab;
38 struct cdevsw;
39 
40 /* call back funcion */
41 typedef int		kbd_callback_func_t(keyboard_t *kbd, int event,
42 					    void *arg);
43 /* event types */
44 #define KBDIO_KEYINPUT	0
45 #define KBDIO_UNLOADING	1
46 
47 typedef struct keyboard_callback {
48 	kbd_callback_func_t *kc_func;
49 	void		*kc_arg;
50 } keyboard_callback_t;
51 
52 /* keyboard */
53 struct keyboard {
54 	/* the following fields are managed by kbdio */
55 	int		kb_index;	/* kbdio index# */
56 	int		kb_minor;	/* minor number of the sub-device */
57 	int		kb_flags;	/* internal flags */
58 #define KB_VALID	(1 << 16)	/* this entry is valid */
59 #define KB_NO_DEVICE	(1 << 17)	/* device not present */
60 #define KB_PROBED	(1 << 18)	/* device probed */
61 #define KB_INITIALIZED	(1 << 19)	/* device initialized */
62 #define KB_REGISTERED	(1 << 20)	/* device registered to kbdio */
63 #define KB_BUSY		(1 << 21)	/* device used by a client */
64 	int		kb_active;	/* 0: inactive */
65 	void		*kb_token;	/* id of the current client */
66 	keyboard_callback_t kb_callback;/* callback function */
67 
68 	/*
69 	 * Device configuration flags:
70 	 * The upper 16 bits are common between various keyboard devices.
71 	 * The lower 16 bits are device-specific.
72 	 */
73 	int		kb_config;
74 #define KB_CONF_PROBE_ONLY (1 << 16)	/* probe only, don't initialize */
75 
76 	/* the following fields are set up by the driver */
77 	char		*kb_name;	/* driver name */
78 	int		kb_unit;	/* unit # */
79 	int		kb_type;	/* KB_84, KB_101, KB_OTHER,... */
80 	int		kb_io_base;	/* port# if any */
81 	int		kb_io_size;	/* # of occupied port */
82 	int		kb_led;		/* LED status */
83 	struct keymap	*kb_keymap;	/* key map */
84 	struct accentmap *kb_accentmap;	/* accent map */
85 	struct fkeytab	*kb_fkeytab;	/* function key strings */
86 	int		kb_fkeytab_size;/* # of function key strings */
87 	void		*kb_data;	/* the driver's private data */
88 	int		kb_delay1;
89 	int		kb_delay2;
90 #define KB_DELAY1	500
91 #define KB_DELAY2	100
92 	unsigned long	kb_count;	/* # of processed key strokes */
93 	int		kb_pref;	/* keyboard preference */
94 	u_char		kb_lastact[NUM_KEYS/2];
95 	struct callout  kb_atkbd_timeout_ch;
96 };
97 
98 #define KBD_IS_VALID(k)		((k)->kb_flags & KB_VALID)
99 #define KBD_VALID(k)		((k)->kb_flags |= KB_VALID)
100 #define KBD_INVALID(k)		((k)->kb_flags &= ~KB_VALID)
101 #define KBD_HAS_DEVICE(k)	(!((k)->kb_flags & KB_NO_DEVICE))
102 #define KBD_FOUND_DEVICE(k)	((k)->kb_flags &= ~KB_NO_DEVICE)
103 #define KBD_LOST_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_LOST_PROBE(k)	((k)->kb_flags &= ~KB_PROBED)
107 #define KBD_IS_INITIALIZED(k)	((k)->kb_flags & KB_INITIALIZED)
108 #define KBD_INIT_DONE(k)	((k)->kb_flags |= KB_INITIALIZED)
109 #define KBD_LOST_INIT(k)	((k)->kb_flags &= ~KB_INITIALIZED)
110 #define KBD_IS_CONFIGURED(k)	((k)->kb_flags & KB_REGISTERED)
111 #define KBD_CONFIG_DONE(k)	((k)->kb_flags |= KB_REGISTERED)
112 #define KBD_IS_BUSY(k)		((k)->kb_flags & KB_BUSY)
113 #define KBD_BUSY(k)		((k)->kb_flags |= KB_BUSY)
114 #define KBD_UNBUSY(k)		((k)->kb_flags &= ~KB_BUSY)
115 #define KBD_IS_ACTIVE(k)	((k)->kb_active)
116 #define KBD_ACTIVATE(k)		(++(k)->kb_active)
117 #define KBD_DEACTIVATE(k)	(--(k)->kb_active)
118 #define KBD_LED_VAL(k)		((k)->kb_led)
119 
120 /* keyboard function table */
121 typedef int		kbd_probe_t(int unit, void *arg, int flags);
122 typedef int		kbd_init_t(int unit, keyboard_t **kbdp, void *arg,
123 				   int flags);
124 typedef int		kbd_term_t(keyboard_t *kbd);
125 typedef int		kbd_intr_t(keyboard_t *kbd, void *arg);
126 typedef int		kbd_test_if_t(keyboard_t *kbd);
127 typedef int		kbd_enable_t(keyboard_t *kbd);
128 typedef int		kbd_disable_t(keyboard_t *kbd);
129 typedef int		kbd_read_t(keyboard_t *kbd, int wait);
130 typedef int		kbd_check_t(keyboard_t *kbd);
131 typedef u_int		kbd_read_char_t(keyboard_t *kbd, int wait);
132 typedef int		kbd_check_char_t(keyboard_t *kbd);
133 typedef int		kbd_ioctl_t(keyboard_t *kbd, u_long cmd, caddr_t data);
134 typedef int		kbd_lock_t(keyboard_t *kbd, int lock);
135 typedef void		kbd_clear_state_t(keyboard_t *kbd);
136 typedef int		kbd_get_state_t(keyboard_t *kbd, void *buf, size_t len);
137 typedef int		kbd_set_state_t(keyboard_t *kbd, void *buf, size_t len);
138 typedef u_char		*kbd_get_fkeystr_t(keyboard_t *kbd, int fkey,
139 					   size_t *len);
140 typedef int		kbd_poll_mode_t(keyboard_t *kbd, int on);
141 typedef void		kbd_diag_t(keyboard_t *kbd, int level);
142 
143 typedef struct keyboard_switch {
144 	kbd_probe_t	*probe;
145 	kbd_init_t	*init;
146 	kbd_term_t	*term;
147 	kbd_intr_t	*intr;
148 	kbd_test_if_t	*test_if;
149 	kbd_enable_t	*enable;
150 	kbd_disable_t	*disable;
151 	kbd_read_t	*read;
152 	kbd_check_t	*check;
153 	kbd_read_char_t	*read_char;
154 	kbd_check_char_t *check_char;
155 	kbd_ioctl_t	*ioctl;
156 	kbd_lock_t	*lock;
157 	kbd_clear_state_t *clear_state;
158 	kbd_get_state_t	*get_state;
159 	kbd_set_state_t	*set_state;
160 	kbd_get_fkeystr_t *get_fkeystr;
161 	kbd_poll_mode_t *poll;
162 	kbd_diag_t	*diag;
163 } keyboard_switch_t;
164 
165 /* keyboard driver */
166 typedef struct keyboard_driver {
167     SLIST_ENTRY(keyboard_driver) link;
168     char		*name;
169     keyboard_switch_t	*kbdsw;
170     int			(*configure)(int); /* backdoor for the console driver */
171 } keyboard_driver_t;
172 
173 #ifdef _KERNEL
174 
175 #define KEYBOARD_DRIVER(name, sw, config)		\
176 	static struct keyboard_driver name##_kbd_driver = { \
177 		{ NULL }, #name, &sw, config		\
178 	};						\
179 	DATA_SET(kbddriver_set, name##_kbd_driver);
180 
181 /* global variables */
182 extern keyboard_switch_t **kbdsw;
183 
184 /* functions for the keyboard driver */
185 int			kbd_add_driver(keyboard_driver_t *driver);
186 int			kbd_delete_driver(keyboard_driver_t *driver);
187 int			kbd_register(keyboard_t *kbd);
188 int			kbd_unregister(keyboard_t *kbd);
189 keyboard_switch_t	*kbd_get_switch(char *driver);
190 void			kbd_init_struct(keyboard_t *kbd, char *name, int type,
191 					int unit, int config, int pref,
192 					int port, int port_size);
193 void			kbd_reinit_struct(keyboard_t *kbd,
194 					int config, int pref);
195 void			kbd_set_maps(keyboard_t *kbd, struct keymap *keymap,
196 				     struct accentmap *accmap,
197 				     struct fkeytab *fkeymap, int fkeymap_size);
198 
199 /* functions for the keyboard client */
200 int			kbd_allocate(char *driver, int unit, void *id,
201 				     kbd_callback_func_t *func, void *arg);
202 int			kbd_release(keyboard_t *kbd, void *id);
203 int			kbd_change_callback(keyboard_t *kbd, void *id,
204 				     kbd_callback_func_t *func, void *arg);
205 int			kbd_find_keyboard(char *driver, int unit);
206 keyboard_t 		*kbd_get_keyboard(int index);
207 
208 /* a back door for the console driver to tickle the keyboard driver XXX */
209 int			kbd_configure(int flags);
210 			/* see `kb_config' above for flag bit definitions */
211 
212 #ifdef KBD_INSTALL_CDEV
213 
214 /* virtual keyboard cdev driver functions */
215 int			kbd_attach(keyboard_t *kbd);
216 int			kbd_detach(keyboard_t *kbd);
217 
218 #endif /* KBD_INSTALL_CDEV */
219 
220 /* generic low-level keyboard functions */
221 
222 /* shift key state */
223 #define SHIFTS1		(1 << 16)
224 #define SHIFTS2		(1 << 17)
225 #define SHIFTS		(SHIFTS1 | SHIFTS2)
226 #define CTLS1		(1 << 18)
227 #define CTLS2		(1 << 19)
228 #define CTLS		(CTLS1 | CTLS2)
229 #define ALTS1		(1 << 20)
230 #define ALTS2		(1 << 21)
231 #define ALTS		(ALTS1 | ALTS2)
232 #define AGRS1		(1 << 22)
233 #define AGRS2		(1 << 23)
234 #define AGRS		(AGRS1 | AGRS2)
235 #define METAS1		(1 << 24)
236 #define METAS2		(1 << 25)
237 #define METAS		(METAS1 | METAS2)
238 #define NLKDOWN		(1 << 26)
239 #define SLKDOWN		(1 << 27)
240 #define CLKDOWN		(1 << 28)
241 #define ALKDOWN		(1 << 29)
242 #define SHIFTAON	(1 << 30)
243 /* lock key state (defined in machine/console.h) */
244 /*
245 #define CLKED		LED_CAP
246 #define NLKED		LED_NUM
247 #define SLKED		LED_SCR
248 #define ALKED		(1 << 3)
249 #define LOCK_MASK	(CLKED | NLKED | SLKED | ALKED)
250 #define LED_CAP		(1 << 0)
251 #define LED_NUM		(1 << 1)
252 #define LED_SCR		(1 << 2)
253 #define LED_MASK	(LED_CAP | LED_NUM | LED_SCR)
254 */
255 
256 #define KB_PRI_ATKBD	50
257 #define KB_PRI_USB	60
258 
259 kbd_get_fkeystr_t	genkbd_get_fkeystr;
260 kbd_diag_t		genkbd_diag;
261 
262 int 	genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg);
263 int 	genkbd_keyaction(keyboard_t *kbd, int keycode, int up,
264 			 int *shiftstate, int *accents);
265 
266 #endif /* _KERNEL */
267 
268 #endif /* !_DEV_KBD_KBDREG_H_ */
269