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 KEY_BRIGHTNESSDOWN, KEY_BRIGHTNESSUP, KEY_SCALE, KEY_DASHBOARD,
96 KEY_KBDILLUMDOWN, KEY_KBDILLUMUP, 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 /*
112 * last item maps to APPLE_FN_KEY in hkbd.c. using KEY_WAKEUP instead
113 * of KEY_FN as evdev translates the latter to too high of a code for
114 * xkb to parse.
115 */
116 NONE, NONE, NONE, KEY_WAKEUP,
117
118 };
119
120 static uint16_t evdev_at_set1_scancodes[] = {
121 /* 0x00 - 0x1f */
122 NONE, KEY_ESC, KEY_1, KEY_2,
123 KEY_3, KEY_4, KEY_5, KEY_6,
124 KEY_7, KEY_8, KEY_9, KEY_0,
125 KEY_MINUS, KEY_EQUAL, KEY_BACKSPACE, KEY_TAB,
126 KEY_Q, KEY_W, KEY_E, KEY_R,
127 KEY_T, KEY_Y, KEY_U, KEY_I,
128 KEY_O, KEY_P, KEY_LEFTBRACE, KEY_RIGHTBRACE,
129 KEY_ENTER, KEY_LEFTCTRL, KEY_A, KEY_S,
130 /* 0x20 - 0x3f */
131 KEY_D, KEY_F, KEY_G, KEY_H,
132 KEY_J, KEY_K, KEY_L, KEY_SEMICOLON,
133 KEY_APOSTROPHE, KEY_GRAVE, KEY_LEFTSHIFT, KEY_BACKSLASH,
134 KEY_Z, KEY_X, KEY_C, KEY_V,
135 KEY_B, KEY_N, KEY_M, KEY_COMMA,
136 KEY_DOT, KEY_SLASH, KEY_RIGHTSHIFT, KEY_KPASTERISK,
137 KEY_LEFTALT, KEY_SPACE, KEY_CAPSLOCK, KEY_F1,
138 KEY_F2, KEY_F3, KEY_F4, KEY_F5,
139 /* 0x40 - 0x5f */
140 KEY_F6, KEY_F7, KEY_F8, KEY_F9,
141 KEY_F10, KEY_NUMLOCK, KEY_SCROLLLOCK, KEY_KP7,
142 KEY_KP8, KEY_KP9, KEY_KPMINUS, KEY_KP4,
143 KEY_KP5, KEY_KP6, KEY_KPPLUS, KEY_KP1,
144 KEY_KP2, KEY_KP3, KEY_KP0, KEY_KPDOT,
145 NONE, NONE, KEY_102ND, KEY_F11,
146 KEY_F12, NONE, NONE, NONE,
147 NONE, KEY_F13, NONE, NONE,
148 /* 0x60 - 0x7f */
149 NONE, NONE, NONE, NONE,
150 NONE, NONE, NONE, NONE,
151 NONE, NONE, NONE, NONE,
152 NONE, NONE, NONE, NONE,
153 KEY_KATAKANAHIRAGANA, KEY_HANJA, KEY_HANGEUL, KEY_RO,
154 NONE, NONE, KEY_ZENKAKUHANKAKU, KEY_HIRAGANA,
155 KEY_KATAKANA, KEY_HENKAN, NONE, KEY_MUHENKAN,
156 NONE, KEY_YEN, KEY_KPCOMMA, NONE,
157 /* 0x00 - 0x1f. 0xE0 prefixed */
158 NONE, NONE, NONE, NONE,
159 NONE, NONE, NONE, NONE,
160 NONE, NONE, NONE, NONE,
161 NONE, NONE, NONE, NONE,
162 KEY_PREVIOUSSONG, NONE, NONE, NONE,
163 NONE, NONE, NONE, NONE,
164 NONE, KEY_NEXTSONG, NONE, NONE,
165 KEY_KPENTER, KEY_RIGHTCTRL, NONE, NONE,
166 /* 0x20 - 0x3f. 0xE0 prefixed */
167 KEY_MUTE, KEY_CALC, KEY_PLAYPAUSE, NONE,
168 KEY_STOPCD, NONE, NONE, NONE,
169 NONE, NONE, NONE, NONE,
170 NONE, NONE, KEY_VOLUMEDOWN, NONE,
171 KEY_VOLUMEUP, NONE, KEY_HOMEPAGE, NONE,
172 NONE, KEY_KPSLASH, NONE, KEY_SYSRQ,
173 KEY_RIGHTALT, NONE, NONE, KEY_F13,
174 KEY_F14, KEY_F15, KEY_F16, KEY_F17,
175 /* 0x40 - 0x5f. 0xE0 prefixed */
176 KEY_F18, KEY_F19, KEY_F20, KEY_F21,
177 KEY_F22, NONE, KEY_PAUSE, KEY_HOME,
178 KEY_UP, KEY_PAGEUP, NONE, KEY_LEFT,
179 NONE, KEY_RIGHT, NONE, KEY_END,
180 KEY_DOWN, KEY_PAGEDOWN, KEY_INSERT, KEY_DELETE,
181 NONE, NONE, NONE, KEY_F23,
182 KEY_F24, NONE, NONE, KEY_LEFTMETA,
183 KEY_RIGHTMETA, KEY_MENU, KEY_POWER, KEY_SLEEP,
184 /* 0x60 - 0x7f. 0xE0 prefixed */
185 NONE, NONE, NONE, KEY_WAKEUP,
186 NONE, KEY_SEARCH, KEY_BOOKMARKS, KEY_REFRESH,
187 KEY_STOP, KEY_FORWARD, KEY_BACK, KEY_COMPUTER,
188 KEY_MAIL, KEY_MEDIA, NONE, NONE,
189 NONE, NONE, NONE, NONE,
190 NONE, NONE, NONE, NONE,
191 NONE, NONE, NONE, NONE,
192 NONE, NONE, NONE, NONE,
193 };
194
195 static uint16_t evdev_mouse_button_codes[] = {
196 BTN_LEFT,
197 BTN_MIDDLE,
198 BTN_RIGHT,
199 BTN_SIDE,
200 BTN_EXTRA,
201 BTN_FORWARD,
202 BTN_BACK,
203 BTN_TASK,
204 };
205
206 static uint16_t evdev_led_codes[] = {
207 LED_CAPSL, /* CLKED */
208 LED_NUML, /* NLKED */
209 LED_SCROLLL, /* SLKED */
210 };
211
212 static uint16_t evdev_nfinger_codes[] = {
213 BTN_TOOL_FINGER,
214 BTN_TOOL_DOUBLETAP,
215 BTN_TOOL_TRIPLETAP,
216 BTN_TOOL_QUADTAP,
217 BTN_TOOL_QUINTTAP,
218 };
219
220 uint16_t
evdev_hid2key(int scancode)221 evdev_hid2key(int scancode)
222 {
223 return evdev_usb_scancodes[scancode];
224 }
225
226 void
evdev_support_all_known_keys(struct evdev_dev * evdev)227 evdev_support_all_known_keys(struct evdev_dev *evdev)
228 {
229 size_t i;
230
231 for (i = KEY_RESERVED; i < nitems(evdev_at_set1_scancodes); i++)
232 if (evdev_at_set1_scancodes[i] != NONE)
233 evdev_support_key(evdev, evdev_at_set1_scancodes[i]);
234 }
235
236 uint16_t
evdev_scancode2key(int * state,int scancode)237 evdev_scancode2key(int *state, int scancode)
238 {
239 uint16_t keycode;
240
241 /* translate the scan code into a keycode */
242 keycode = evdev_at_set1_scancodes[scancode & 0x7f];
243 switch (*state) {
244 case 0x00: /* normal scancode */
245 switch(scancode) {
246 case 0xE0:
247 case 0xE1:
248 *state = scancode;
249 return (NONE);
250 }
251 break;
252 case 0xE0: /* 0xE0 prefix */
253 *state = 0;
254 keycode = evdev_at_set1_scancodes[0x80 + (scancode & 0x7f)];
255 break;
256 case 0xE1: /* 0xE1 prefix */
257 /*
258 * The pause/break key on the 101 keyboard produces:
259 * E1-1D-45 E1-9D-C5
260 * Ctrl-pause/break produces:
261 * E0-46 E0-C6 (See above.)
262 */
263 *state = 0;
264 if ((scancode & 0x7f) == 0x1D)
265 *state = scancode;
266 return (NONE);
267 /* NOT REACHED */
268 case 0x1D: /* pause / break */
269 case 0x9D:
270 if ((*state ^ scancode) & 0x80)
271 return (NONE);
272 *state = 0;
273 if ((scancode & 0x7f) != 0x45)
274 return (NONE);
275 keycode = KEY_PAUSE;
276 break;
277 }
278
279 return (keycode);
280 }
281
282 void
evdev_push_mouse_btn(struct evdev_dev * evdev,int buttons)283 evdev_push_mouse_btn(struct evdev_dev *evdev, int buttons)
284 {
285 size_t i;
286
287 for (i = 0; i < nitems(evdev_mouse_button_codes); i++)
288 evdev_push_key(evdev, evdev_mouse_button_codes[i],
289 buttons & (1 << i));
290 }
291
292 void
evdev_push_leds(struct evdev_dev * evdev,int leds)293 evdev_push_leds(struct evdev_dev *evdev, int leds)
294 {
295 size_t i;
296
297 /* Some drivers initialize leds before evdev */
298 if (evdev == NULL)
299 return;
300
301 for (i = 0; i < nitems(evdev_led_codes); i++)
302 evdev_push_led(evdev, evdev_led_codes[i], leds & (1 << i));
303 }
304
305 void
evdev_push_repeats(struct evdev_dev * evdev,keyboard_t * kbd)306 evdev_push_repeats(struct evdev_dev *evdev, keyboard_t *kbd)
307 {
308 /* Some drivers initialize typematics before evdev */
309 if (evdev == NULL)
310 return;
311
312 evdev_push_event(evdev, EV_REP, REP_DELAY, kbd->kb_delay1);
313 evdev_push_event(evdev, EV_REP, REP_PERIOD, kbd->kb_delay2);
314 }
315
316 void
evdev_support_nfingers(struct evdev_dev * evdev,int nfingers)317 evdev_support_nfingers(struct evdev_dev *evdev, int nfingers)
318 {
319 int i;
320
321 for (i = 0; i < MIN(nitems(evdev_nfinger_codes), nfingers); i++)
322 evdev_support_key(evdev, evdev_nfinger_codes[i]);
323 }
324
325 void
evdev_send_nfingers(struct evdev_dev * evdev,int nfingers)326 evdev_send_nfingers(struct evdev_dev *evdev, int nfingers)
327 {
328 int i;
329
330 EVDEV_LOCK_ASSERT(evdev);
331
332 if (nfingers > nitems(evdev_nfinger_codes))
333 nfingers = nitems(evdev_nfinger_codes);
334
335 for (i = 0; i < nitems(evdev_nfinger_codes); i++)
336 evdev_send_event(evdev, EV_KEY, evdev_nfinger_codes[i],
337 nfingers == i + 1);
338 }
339
340 void
evdev_push_nfingers(struct evdev_dev * evdev,int nfingers)341 evdev_push_nfingers(struct evdev_dev *evdev, int nfingers)
342 {
343 EVDEV_ENTER(evdev);
344 evdev_send_nfingers(evdev, nfingers);
345 EVDEV_EXIT(evdev);
346 }
347