1 /*-
2 * Copyright (c) 2014 Jakub Wojciech Klama <jceel@FreeBSD.org>
3 * Copyright (c) 2015-2016 Vladimir Kondratyev <wulf@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/param.h>
29 #include <sys/bus.h>
30 #include <sys/conf.h>
31 #include <sys/kbio.h>
32 #include <sys/kernel.h>
33 #include <sys/lock.h>
34 #include <sys/malloc.h>
35 #include <sys/mutex.h>
36 #include <sys/systm.h>
37
38 #include <dev/evdev/evdev.h>
39 #include <dev/evdev/evdev_private.h>
40 #include <dev/evdev/input.h>
41
42 #define NONE KEY_RESERVED
43
44 static uint16_t evdev_usb_scancodes[256] = {
45 /* 0x00 - 0x27 */
46 NONE, NONE, NONE, NONE, KEY_A, KEY_B, KEY_C, KEY_D,
47 KEY_E, KEY_F, KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L,
48 KEY_M, KEY_N, KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T,
49 KEY_U, KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_1, KEY_2,
50 KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_0,
51 /* 0x28 - 0x3f */
52 KEY_ENTER, KEY_ESC, KEY_BACKSPACE, KEY_TAB,
53 KEY_SPACE, KEY_MINUS, KEY_EQUAL, KEY_LEFTBRACE,
54 KEY_RIGHTBRACE, KEY_BACKSLASH, KEY_BACKSLASH, KEY_SEMICOLON,
55 KEY_APOSTROPHE, KEY_GRAVE, KEY_COMMA, KEY_DOT,
56 KEY_SLASH, KEY_CAPSLOCK, KEY_F1, KEY_F2,
57 KEY_F3, KEY_F4, KEY_F5, KEY_F6,
58 /* 0x40 - 0x5f */
59 KEY_F7, KEY_F8, KEY_F9, KEY_F10,
60 KEY_F11, KEY_F12, KEY_SYSRQ, KEY_SCROLLLOCK,
61 KEY_PAUSE, KEY_INSERT, KEY_HOME, KEY_PAGEUP,
62 KEY_DELETE, KEY_END, KEY_PAGEDOWN, KEY_RIGHT,
63 KEY_LEFT, KEY_DOWN, KEY_UP, KEY_NUMLOCK,
64 KEY_KPSLASH, KEY_KPASTERISK, KEY_KPMINUS, KEY_KPPLUS,
65 KEY_KPENTER, KEY_KP1, KEY_KP2, KEY_KP3,
66 KEY_KP4, KEY_KP5, KEY_KP6, KEY_KP7,
67 /* 0x60 - 0x7f */
68 KEY_KP8, KEY_KP9, KEY_KP0, KEY_KPDOT,
69 KEY_102ND, KEY_COMPOSE, KEY_POWER, KEY_KPEQUAL,
70 KEY_F13, KEY_F14, KEY_F15, KEY_F16,
71 KEY_F17, KEY_F18, KEY_F19, KEY_F20,
72 KEY_F21, KEY_F22, KEY_F23, KEY_F24,
73 KEY_OPEN, KEY_HELP, KEY_PROPS, KEY_FRONT,
74 KEY_STOP, KEY_AGAIN, KEY_UNDO, KEY_CUT,
75 KEY_COPY, KEY_PASTE, KEY_FIND, KEY_MUTE,
76 /* 0x80 - 0x9f */
77 KEY_VOLUMEUP, KEY_VOLUMEDOWN, NONE, NONE,
78 NONE, KEY_KPCOMMA, NONE, KEY_RO,
79 KEY_KATAKANAHIRAGANA, KEY_YEN,KEY_HENKAN, KEY_MUHENKAN,
80 KEY_KPJPCOMMA, NONE, NONE, NONE,
81 KEY_HANGEUL, KEY_HANJA, KEY_KATAKANA, KEY_HIRAGANA,
82 KEY_ZENKAKUHANKAKU, NONE, NONE, NONE,
83 NONE, NONE, NONE, NONE,
84 NONE, NONE, NONE, NONE,
85 /* 0xa0 - 0xbf */
86 NONE, NONE, NONE, NONE,
87 NONE, NONE, NONE, NONE,
88 NONE, NONE, NONE, NONE,
89 NONE, NONE, NONE, NONE,
90 NONE, NONE, NONE, NONE,
91 NONE, NONE, NONE, NONE,
92 NONE, NONE, NONE, NONE,
93 NONE, NONE, NONE, NONE,
94 /* 0xc0 - 0xdf */
95 NONE, NONE, NONE, NONE,
96 NONE, NONE, NONE, NONE,
97 NONE, NONE, NONE, NONE,
98 NONE, NONE, NONE, NONE,
99 NONE, NONE, NONE, NONE,
100 NONE, NONE, NONE, NONE,
101 NONE, NONE, NONE, NONE,
102 NONE, NONE, NONE, NONE,
103 /* 0xe0 - 0xff */
104 KEY_LEFTCTRL, KEY_LEFTSHIFT, KEY_LEFTALT, KEY_LEFTMETA,
105 KEY_RIGHTCTRL, KEY_RIGHTSHIFT, KEY_RIGHTALT, KEY_RIGHTMETA,
106 KEY_PLAYPAUSE, KEY_STOPCD, KEY_PREVIOUSSONG,KEY_NEXTSONG,
107 KEY_EJECTCD, KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_MUTE,
108 KEY_WWW, KEY_BACK, KEY_FORWARD, KEY_STOP,
109 KEY_FIND, KEY_SCROLLUP, KEY_SCROLLDOWN, KEY_EDIT,
110 KEY_SLEEP, KEY_COFFEE, KEY_REFRESH, KEY_CALC,
111 NONE, NONE, NONE, NONE,
112
113 };
114
115 static uint16_t evdev_at_set1_scancodes[] = {
116 /* 0x00 - 0x1f */
117 NONE, KEY_ESC, KEY_1, KEY_2,
118 KEY_3, KEY_4, KEY_5, KEY_6,
119 KEY_7, KEY_8, KEY_9, KEY_0,
120 KEY_MINUS, KEY_EQUAL, KEY_BACKSPACE, KEY_TAB,
121 KEY_Q, KEY_W, KEY_E, KEY_R,
122 KEY_T, KEY_Y, KEY_U, KEY_I,
123 KEY_O, KEY_P, KEY_LEFTBRACE, KEY_RIGHTBRACE,
124 KEY_ENTER, KEY_LEFTCTRL, KEY_A, KEY_S,
125 /* 0x20 - 0x3f */
126 KEY_D, KEY_F, KEY_G, KEY_H,
127 KEY_J, KEY_K, KEY_L, KEY_SEMICOLON,
128 KEY_APOSTROPHE, KEY_GRAVE, KEY_LEFTSHIFT, KEY_BACKSLASH,
129 KEY_Z, KEY_X, KEY_C, KEY_V,
130 KEY_B, KEY_N, KEY_M, KEY_COMMA,
131 KEY_DOT, KEY_SLASH, KEY_RIGHTSHIFT, KEY_KPASTERISK,
132 KEY_LEFTALT, KEY_SPACE, KEY_CAPSLOCK, KEY_F1,
133 KEY_F2, KEY_F3, KEY_F4, KEY_F5,
134 /* 0x40 - 0x5f */
135 KEY_F6, KEY_F7, KEY_F8, KEY_F9,
136 KEY_F10, KEY_NUMLOCK, KEY_SCROLLLOCK, KEY_KP7,
137 KEY_KP8, KEY_KP9, KEY_KPMINUS, KEY_KP4,
138 KEY_KP5, KEY_KP6, KEY_KPPLUS, KEY_KP1,
139 KEY_KP2, KEY_KP3, KEY_KP0, KEY_KPDOT,
140 NONE, NONE, KEY_102ND, KEY_F11,
141 KEY_F12, NONE, NONE, NONE,
142 NONE, KEY_F13, NONE, NONE,
143 /* 0x60 - 0x7f */
144 NONE, NONE, NONE, NONE,
145 NONE, NONE, NONE, NONE,
146 NONE, NONE, NONE, NONE,
147 NONE, NONE, NONE, NONE,
148 KEY_KATAKANAHIRAGANA, KEY_HANJA, KEY_HANGEUL, KEY_RO,
149 NONE, NONE, KEY_ZENKAKUHANKAKU, KEY_HIRAGANA,
150 KEY_KATAKANA, KEY_HENKAN, NONE, KEY_MUHENKAN,
151 NONE, KEY_YEN, KEY_KPCOMMA, NONE,
152 /* 0x00 - 0x1f. 0xE0 prefixed */
153 NONE, NONE, NONE, NONE,
154 NONE, NONE, NONE, NONE,
155 NONE, NONE, NONE, NONE,
156 NONE, NONE, NONE, NONE,
157 KEY_PREVIOUSSONG, NONE, NONE, NONE,
158 NONE, NONE, NONE, NONE,
159 NONE, KEY_NEXTSONG, NONE, NONE,
160 KEY_KPENTER, KEY_RIGHTCTRL, NONE, NONE,
161 /* 0x20 - 0x3f. 0xE0 prefixed */
162 KEY_MUTE, KEY_CALC, KEY_PLAYPAUSE, NONE,
163 KEY_STOPCD, NONE, NONE, NONE,
164 NONE, NONE, NONE, NONE,
165 NONE, NONE, KEY_VOLUMEDOWN, NONE,
166 KEY_VOLUMEUP, NONE, KEY_HOMEPAGE, NONE,
167 NONE, KEY_KPSLASH, NONE, KEY_SYSRQ,
168 KEY_RIGHTALT, NONE, NONE, KEY_F13,
169 KEY_F14, KEY_F15, KEY_F16, KEY_F17,
170 /* 0x40 - 0x5f. 0xE0 prefixed */
171 KEY_F18, KEY_F19, KEY_F20, KEY_F21,
172 KEY_F22, NONE, KEY_PAUSE, KEY_HOME,
173 KEY_UP, KEY_PAGEUP, NONE, KEY_LEFT,
174 NONE, KEY_RIGHT, NONE, KEY_END,
175 KEY_DOWN, KEY_PAGEDOWN, KEY_INSERT, KEY_DELETE,
176 NONE, NONE, NONE, KEY_F23,
177 KEY_F24, NONE, NONE, KEY_LEFTMETA,
178 KEY_RIGHTMETA, KEY_MENU, KEY_POWER, KEY_SLEEP,
179 /* 0x60 - 0x7f. 0xE0 prefixed */
180 NONE, NONE, NONE, KEY_WAKEUP,
181 NONE, KEY_SEARCH, KEY_BOOKMARKS, KEY_REFRESH,
182 KEY_STOP, KEY_FORWARD, KEY_BACK, KEY_COMPUTER,
183 KEY_MAIL, KEY_MEDIA, NONE, NONE,
184 NONE, NONE, NONE, NONE,
185 NONE, NONE, NONE, NONE,
186 NONE, NONE, NONE, NONE,
187 NONE, NONE, NONE, NONE,
188 };
189
190 static uint16_t evdev_mouse_button_codes[] = {
191 BTN_LEFT,
192 BTN_MIDDLE,
193 BTN_RIGHT,
194 BTN_SIDE,
195 BTN_EXTRA,
196 BTN_FORWARD,
197 BTN_BACK,
198 BTN_TASK,
199 };
200
201 static uint16_t evdev_led_codes[] = {
202 LED_CAPSL, /* CLKED */
203 LED_NUML, /* NLKED */
204 LED_SCROLLL, /* SLKED */
205 };
206
207 static uint16_t evdev_nfinger_codes[] = {
208 BTN_TOOL_FINGER,
209 BTN_TOOL_DOUBLETAP,
210 BTN_TOOL_TRIPLETAP,
211 BTN_TOOL_QUADTAP,
212 BTN_TOOL_QUINTTAP,
213 };
214
215 uint16_t
evdev_hid2key(int scancode)216 evdev_hid2key(int scancode)
217 {
218 return evdev_usb_scancodes[scancode];
219 }
220
221 void
evdev_support_all_known_keys(struct evdev_dev * evdev)222 evdev_support_all_known_keys(struct evdev_dev *evdev)
223 {
224 size_t i;
225
226 for (i = KEY_RESERVED; i < nitems(evdev_at_set1_scancodes); i++)
227 if (evdev_at_set1_scancodes[i] != NONE)
228 evdev_support_key(evdev, evdev_at_set1_scancodes[i]);
229 }
230
231 uint16_t
evdev_scancode2key(int * state,int scancode)232 evdev_scancode2key(int *state, int scancode)
233 {
234 uint16_t keycode;
235
236 /* translate the scan code into a keycode */
237 keycode = evdev_at_set1_scancodes[scancode & 0x7f];
238 switch (*state) {
239 case 0x00: /* normal scancode */
240 switch(scancode) {
241 case 0xE0:
242 case 0xE1:
243 *state = scancode;
244 return (NONE);
245 }
246 break;
247 case 0xE0: /* 0xE0 prefix */
248 *state = 0;
249 keycode = evdev_at_set1_scancodes[0x80 + (scancode & 0x7f)];
250 break;
251 case 0xE1: /* 0xE1 prefix */
252 /*
253 * The pause/break key on the 101 keyboard produces:
254 * E1-1D-45 E1-9D-C5
255 * Ctrl-pause/break produces:
256 * E0-46 E0-C6 (See above.)
257 */
258 *state = 0;
259 if ((scancode & 0x7f) == 0x1D)
260 *state = scancode;
261 return (NONE);
262 /* NOT REACHED */
263 case 0x1D: /* pause / break */
264 case 0x9D:
265 if ((*state ^ scancode) & 0x80)
266 return (NONE);
267 *state = 0;
268 if ((scancode & 0x7f) != 0x45)
269 return (NONE);
270 keycode = KEY_PAUSE;
271 break;
272 }
273
274 return (keycode);
275 }
276
277 void
evdev_push_mouse_btn(struct evdev_dev * evdev,int buttons)278 evdev_push_mouse_btn(struct evdev_dev *evdev, int buttons)
279 {
280 size_t i;
281
282 for (i = 0; i < nitems(evdev_mouse_button_codes); i++)
283 evdev_push_key(evdev, evdev_mouse_button_codes[i],
284 buttons & (1 << i));
285 }
286
287 void
evdev_push_leds(struct evdev_dev * evdev,int leds)288 evdev_push_leds(struct evdev_dev *evdev, int leds)
289 {
290 size_t i;
291
292 /* Some drivers initialize leds before evdev */
293 if (evdev == NULL)
294 return;
295
296 for (i = 0; i < nitems(evdev_led_codes); i++)
297 evdev_push_led(evdev, evdev_led_codes[i], leds & (1 << i));
298 }
299
300 void
evdev_push_repeats(struct evdev_dev * evdev,keyboard_t * kbd)301 evdev_push_repeats(struct evdev_dev *evdev, keyboard_t *kbd)
302 {
303 /* Some drivers initialize typematics before evdev */
304 if (evdev == NULL)
305 return;
306
307 evdev_push_event(evdev, EV_REP, REP_DELAY, kbd->kb_delay1);
308 evdev_push_event(evdev, EV_REP, REP_PERIOD, kbd->kb_delay2);
309 }
310
311 void
evdev_support_nfingers(struct evdev_dev * evdev,int nfingers)312 evdev_support_nfingers(struct evdev_dev *evdev, int nfingers)
313 {
314 int i;
315
316 for (i = 0; i < MIN(nitems(evdev_nfinger_codes), nfingers); i++)
317 evdev_support_key(evdev, evdev_nfinger_codes[i]);
318 }
319
320 void
evdev_send_nfingers(struct evdev_dev * evdev,int nfingers)321 evdev_send_nfingers(struct evdev_dev *evdev, int nfingers)
322 {
323 int i;
324
325 EVDEV_LOCK_ASSERT(evdev);
326
327 if (nfingers > nitems(evdev_nfinger_codes))
328 nfingers = nitems(evdev_nfinger_codes);
329
330 for (i = 0; i < nitems(evdev_nfinger_codes); i++)
331 evdev_send_event(evdev, EV_KEY, evdev_nfinger_codes[i],
332 nfingers == i + 1);
333 }
334
335 void
evdev_push_nfingers(struct evdev_dev * evdev,int nfingers)336 evdev_push_nfingers(struct evdev_dev *evdev, int nfingers)
337 {
338 EVDEV_ENTER(evdev);
339 evdev_send_nfingers(evdev, nfingers);
340 EVDEV_EXIT(evdev);
341 }
342