xref: /freebsd/sys/dev/hid/hcons.c (revision a0409676120c1e558d0ade943019934e0f15118d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
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/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
31 /*
32  * Consumer Controls usage page driver
33  * https://www.usb.org/sites/default/files/documents/hut1_12v2.pdf
34  */
35 
36 #include <sys/param.h>
37 #include <sys/bitstring.h>
38 #include <sys/bus.h>
39 #include <sys/kernel.h>
40 #include <sys/module.h>
41 #include <sys/sysctl.h>
42 
43 #include <dev/evdev/input.h>
44 #include <dev/evdev/evdev.h>
45 
46 #include <dev/hid/hid.h>
47 #include <dev/hid/hidbus.h>
48 #include <dev/hid/hidmap.h>
49 
50 static hidmap_cb_t	hcons_rel_volume_cb;
51 
52 #define	HCONS_MAP_KEY(usage, code)	\
53 	{ HIDMAP_KEY(HUP_CONSUMER, usage, code) }
54 #define	HCONS_MAP_ABS(usage, code)	\
55 	{ HIDMAP_ABS(HUP_CONSUMER, usage, code) }
56 #define	HCONS_MAP_REL(usage, code)	\
57 	{ HIDMAP_REL(HUP_CONSUMER, usage, code) }
58 #define HCONS_MAP_REL_CB(usage, callback)	\
59 	{ HIDMAP_REL_CB(HUP_CONSUMER, usage, &callback) }
60 
61 static const struct hidmap_item hcons_map[] = {
62 	HCONS_MAP_KEY(0x030,	KEY_POWER),
63 	HCONS_MAP_KEY(0x031,	KEY_RESTART),
64 	HCONS_MAP_KEY(0x032,	KEY_SLEEP),
65 	HCONS_MAP_KEY(0x034,	KEY_SLEEP),
66 	HCONS_MAP_KEY(0x035,	KEY_KBDILLUMTOGGLE),
67 	HCONS_MAP_KEY(0x036,	BTN_MISC),
68 	HCONS_MAP_KEY(0x040,	KEY_MENU),	/* Menu */
69 	HCONS_MAP_KEY(0x041,	KEY_SELECT),	/* Menu Pick */
70 	HCONS_MAP_KEY(0x042,	KEY_UP),	/* Menu Up */
71 	HCONS_MAP_KEY(0x043,	KEY_DOWN),	/* Menu Down */
72 	HCONS_MAP_KEY(0x044,	KEY_LEFT),	/* Menu Left */
73 	HCONS_MAP_KEY(0x045,	KEY_RIGHT),	/* Menu Right */
74 	HCONS_MAP_KEY(0x046,	KEY_ESC),	/* Menu Escape */
75 	HCONS_MAP_KEY(0x047,	KEY_KPPLUS),	/* Menu Value Increase */
76 	HCONS_MAP_KEY(0x048,	KEY_KPMINUS),	/* Menu Value Decrease */
77 	HCONS_MAP_KEY(0x060,	KEY_INFO),	/* Data On Screen */
78 	HCONS_MAP_KEY(0x061,	KEY_SUBTITLE),	/* Closed Caption */
79 	HCONS_MAP_KEY(0x063,	KEY_VCR),	/* VCR/TV */
80 	HCONS_MAP_KEY(0x065,	KEY_CAMERA),	/* Snapshot */
81 	HCONS_MAP_KEY(0x069,	KEY_RED),
82 	HCONS_MAP_KEY(0x06a,	KEY_GREEN),
83 	HCONS_MAP_KEY(0x06b,	KEY_BLUE),
84 	HCONS_MAP_KEY(0x06c,	KEY_YELLOW),
85 	HCONS_MAP_KEY(0x06d,	KEY_ASPECT_RATIO),
86 	HCONS_MAP_KEY(0x06f,	KEY_BRIGHTNESSUP),
87 	HCONS_MAP_KEY(0x070,	KEY_BRIGHTNESSDOWN),
88 	HCONS_MAP_KEY(0x072,	KEY_BRIGHTNESS_TOGGLE),
89 	HCONS_MAP_KEY(0x073,	KEY_BRIGHTNESS_MIN),
90 	HCONS_MAP_KEY(0x074,	KEY_BRIGHTNESS_MAX),
91 	HCONS_MAP_KEY(0x075,	KEY_BRIGHTNESS_AUTO),
92 	HCONS_MAP_KEY(0x079,	KEY_KBDILLUMUP),
93 	HCONS_MAP_KEY(0x07a,	KEY_KBDILLUMDOWN),
94 	HCONS_MAP_KEY(0x07c,	KEY_KBDILLUMTOGGLE),
95 	HCONS_MAP_KEY(0x082,	KEY_VIDEO_NEXT),
96 	HCONS_MAP_KEY(0x083,	KEY_LAST),
97 	HCONS_MAP_KEY(0x084,	KEY_ENTER),
98 	HCONS_MAP_KEY(0x088,	KEY_PC),
99 	HCONS_MAP_KEY(0x089,	KEY_TV),
100 	HCONS_MAP_KEY(0x08a,	KEY_WWW),
101 	HCONS_MAP_KEY(0x08b,	KEY_DVD),
102 	HCONS_MAP_KEY(0x08c,	KEY_PHONE),
103 	HCONS_MAP_KEY(0x08d,	KEY_PROGRAM),
104 	HCONS_MAP_KEY(0x08e,	KEY_VIDEOPHONE),
105 	HCONS_MAP_KEY(0x08f,	KEY_GAMES),
106 	HCONS_MAP_KEY(0x090,	KEY_MEMO),
107 	HCONS_MAP_KEY(0x091,	KEY_CD),
108 	HCONS_MAP_KEY(0x092,	KEY_VCR),
109 	HCONS_MAP_KEY(0x093,	KEY_TUNER),
110 	HCONS_MAP_KEY(0x094,	KEY_EXIT),
111 	HCONS_MAP_KEY(0x095,	KEY_HELP),
112 	HCONS_MAP_KEY(0x096,	KEY_TAPE),
113 	HCONS_MAP_KEY(0x097,	KEY_TV2),
114 	HCONS_MAP_KEY(0x098,	KEY_SAT),
115 	HCONS_MAP_KEY(0x09a,	KEY_PVR),
116 	HCONS_MAP_KEY(0x09c,	KEY_CHANNELUP),
117 	HCONS_MAP_KEY(0x09d,	KEY_CHANNELDOWN),
118 	HCONS_MAP_KEY(0x0a0,	KEY_VCR2),
119 	HCONS_MAP_KEY(0x0b0,	KEY_PLAY),
120 	HCONS_MAP_KEY(0x0b1,	KEY_PAUSE),
121 	HCONS_MAP_KEY(0x0b2,	KEY_RECORD),
122 	HCONS_MAP_KEY(0x0b3,	KEY_FASTFORWARD),
123 	HCONS_MAP_KEY(0x0b4,	KEY_REWIND),
124 	HCONS_MAP_KEY(0x0b5,	KEY_NEXTSONG),
125 	HCONS_MAP_KEY(0x0b6,	KEY_PREVIOUSSONG),
126 	HCONS_MAP_KEY(0x0b7,	KEY_STOPCD),
127 	HCONS_MAP_KEY(0x0b8,	KEY_EJECTCD),
128 	HCONS_MAP_KEY(0x0bc,	KEY_MEDIA_REPEAT),
129 	HCONS_MAP_KEY(0x0b9,	KEY_SHUFFLE),
130 	HCONS_MAP_KEY(0x0bf,	KEY_SLOW),
131 	HCONS_MAP_KEY(0x0cd,	KEY_PLAYPAUSE),
132 	HCONS_MAP_KEY(0x0cf,	KEY_VOICECOMMAND),
133 	HCONS_MAP_ABS(0x0e0,	ABS_VOLUME),
134 	HCONS_MAP_REL_CB(0x0e0,	hcons_rel_volume_cb),
135 	HCONS_MAP_KEY(0x0e2,	KEY_MUTE),
136 	HCONS_MAP_KEY(0x0e5,	KEY_BASSBOOST),
137 	HCONS_MAP_KEY(0x0e9,	KEY_VOLUMEUP),
138 	HCONS_MAP_KEY(0x0ea,	KEY_VOLUMEDOWN),
139 	HCONS_MAP_KEY(0x0f5,	KEY_SLOW),
140 	HCONS_MAP_KEY(0x181,	KEY_BUTTONCONFIG),
141 	HCONS_MAP_KEY(0x182,	KEY_BOOKMARKS),
142 	HCONS_MAP_KEY(0x183,	KEY_CONFIG),
143 	HCONS_MAP_KEY(0x184,	KEY_WORDPROCESSOR),
144 	HCONS_MAP_KEY(0x185,	KEY_EDITOR),
145 	HCONS_MAP_KEY(0x186,	KEY_SPREADSHEET),
146 	HCONS_MAP_KEY(0x187,	KEY_GRAPHICSEDITOR),
147 	HCONS_MAP_KEY(0x188,	KEY_PRESENTATION),
148 	HCONS_MAP_KEY(0x189,	KEY_DATABASE),
149 	HCONS_MAP_KEY(0x18a,	KEY_MAIL),
150 	HCONS_MAP_KEY(0x18b,	KEY_NEWS),
151 	HCONS_MAP_KEY(0x18c,	KEY_VOICEMAIL),
152 	HCONS_MAP_KEY(0x18d,	KEY_ADDRESSBOOK),
153 	HCONS_MAP_KEY(0x18e,	KEY_CALENDAR),
154 	HCONS_MAP_KEY(0x18f,	KEY_TASKMANAGER),
155 	HCONS_MAP_KEY(0x190,	KEY_JOURNAL),
156 	HCONS_MAP_KEY(0x191,	KEY_FINANCE),
157 	HCONS_MAP_KEY(0x192,	KEY_CALC),
158 	HCONS_MAP_KEY(0x193,	KEY_PLAYER),
159 	HCONS_MAP_KEY(0x194,	KEY_FILE),
160 	HCONS_MAP_KEY(0x196,	KEY_WWW),
161 	HCONS_MAP_KEY(0x199,	KEY_CHAT),
162 	HCONS_MAP_KEY(0x19c,	KEY_LOGOFF),
163 	HCONS_MAP_KEY(0x19e,	KEY_COFFEE),
164 	HCONS_MAP_KEY(0x19f,	KEY_CONTROLPANEL),
165 	HCONS_MAP_KEY(0x1a2,	KEY_APPSELECT),
166 	HCONS_MAP_KEY(0x1a3,	KEY_NEXT),
167 	HCONS_MAP_KEY(0x1a4,	KEY_PREVIOUS),
168 	HCONS_MAP_KEY(0x1a6,	KEY_HELP),
169 	HCONS_MAP_KEY(0x1a7,	KEY_DOCUMENTS),
170 	HCONS_MAP_KEY(0x1ab,	KEY_SPELLCHECK),
171 	HCONS_MAP_KEY(0x1ae,	KEY_KEYBOARD),
172 	HCONS_MAP_KEY(0x1b1,	KEY_SCREENSAVER),
173 	HCONS_MAP_KEY(0x1b4,	KEY_FILE),
174 	HCONS_MAP_KEY(0x1b6,	KEY_IMAGES),
175 	HCONS_MAP_KEY(0x1b7,	KEY_AUDIO),
176 	HCONS_MAP_KEY(0x1b8,	KEY_VIDEO),
177 	HCONS_MAP_KEY(0x1bc,	KEY_MESSENGER),
178 	HCONS_MAP_KEY(0x1bd,	KEY_INFO),
179 	HCONS_MAP_KEY(0x1cb,	KEY_ASSISTANT),
180 	HCONS_MAP_KEY(0x201,	KEY_NEW),
181 	HCONS_MAP_KEY(0x202,	KEY_OPEN),
182 	HCONS_MAP_KEY(0x203,	KEY_CLOSE),
183 	HCONS_MAP_KEY(0x204,	KEY_EXIT),
184 	HCONS_MAP_KEY(0x207,	KEY_SAVE),
185 	HCONS_MAP_KEY(0x208,	KEY_PRINT),
186 	HCONS_MAP_KEY(0x209,	KEY_PROPS),
187 	HCONS_MAP_KEY(0x21a,	KEY_UNDO),
188 	HCONS_MAP_KEY(0x21b,	KEY_COPY),
189 	HCONS_MAP_KEY(0x21c,	KEY_CUT),
190 	HCONS_MAP_KEY(0x21d,	KEY_PASTE),
191 	HCONS_MAP_KEY(0x21f,	KEY_FIND),
192 	HCONS_MAP_KEY(0x221,	KEY_SEARCH),
193 	HCONS_MAP_KEY(0x222,	KEY_GOTO),
194 	HCONS_MAP_KEY(0x223,	KEY_HOMEPAGE),
195 	HCONS_MAP_KEY(0x224,	KEY_BACK),
196 	HCONS_MAP_KEY(0x225,	KEY_FORWARD),
197 	HCONS_MAP_KEY(0x226,	KEY_STOP),
198 	HCONS_MAP_KEY(0x227,	KEY_REFRESH),
199 	HCONS_MAP_KEY(0x22a,	KEY_BOOKMARKS),
200 	HCONS_MAP_KEY(0x22d,	KEY_ZOOMIN),
201 	HCONS_MAP_KEY(0x22e,	KEY_ZOOMOUT),
202 	HCONS_MAP_KEY(0x22f,	KEY_ZOOMRESET),
203 	HCONS_MAP_KEY(0x232,	KEY_FULL_SCREEN),
204 	HCONS_MAP_KEY(0x233,	KEY_SCROLLUP),
205 	HCONS_MAP_KEY(0x234,	KEY_SCROLLDOWN),
206 	HCONS_MAP_REL(0x238,	REL_HWHEEL),	 /* AC Pan */
207 	HCONS_MAP_KEY(0x23d,	KEY_EDIT),
208 	HCONS_MAP_KEY(0x25f,	KEY_CANCEL),
209 	HCONS_MAP_KEY(0x269,	KEY_INSERT),
210 	HCONS_MAP_KEY(0x26a,	KEY_DELETE),
211 	HCONS_MAP_KEY(0x279,	KEY_REDO),
212 	HCONS_MAP_KEY(0x289,	KEY_REPLY),
213 	HCONS_MAP_KEY(0x28b,	KEY_FORWARDMAIL),
214 	HCONS_MAP_KEY(0x28c,	KEY_SEND),
215 	HCONS_MAP_KEY(0x29d,	KEY_KBD_LAYOUT_NEXT),
216 	HCONS_MAP_KEY(0x2c7,	KEY_KBDINPUTASSIST_PREV),
217 	HCONS_MAP_KEY(0x2c8,	KEY_KBDINPUTASSIST_NEXT),
218 	HCONS_MAP_KEY(0x2c9,	KEY_KBDINPUTASSIST_PREVGROUP),
219 	HCONS_MAP_KEY(0x2ca,	KEY_KBDINPUTASSIST_NEXTGROUP),
220 	HCONS_MAP_KEY(0x2cb,	KEY_KBDINPUTASSIST_ACCEPT),
221 	HCONS_MAP_KEY(0x2cc,	KEY_KBDINPUTASSIST_CANCEL),
222 	HCONS_MAP_KEY(0x29f,	KEY_SCALE),
223 };
224 
225 static const struct hid_device_id hcons_devs[] = {
226 	{ HID_TLC(HUP_CONSUMER, HUC_CONTROL) },
227 };
228 
229 /*
230  * Emulate relative Consumer volume usage with pressing
231  * VOLUMEUP and VOLUMEDOWN keys appropriate number of times
232  */
233 static int
234 hcons_rel_volume_cb(HIDMAP_CB_ARGS)
235 {
236 	struct evdev_dev *evdev = HIDMAP_CB_GET_EVDEV();
237 	int32_t code;
238 	int nrepeats;
239 
240 	switch (HIDMAP_CB_GET_STATE()) {
241 	case HIDMAP_CB_IS_ATTACHING:
242 		evdev_support_event(evdev, EV_KEY);
243 		evdev_support_key(evdev, KEY_VOLUMEUP);
244 		evdev_support_key(evdev, KEY_VOLUMEDOWN);
245 		break;
246 	case HIDMAP_CB_IS_RUNNING:
247 		/* Nothing to report. */
248 		if (ctx.data == 0)
249 			return (ENOMSG);
250 		code = ctx.data > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
251 		for (nrepeats = abs(ctx.data); nrepeats > 0; nrepeats--) {
252 			evdev_push_key(evdev, code, 1);
253 			evdev_push_key(evdev, code, 0);
254 		}
255 		break;
256 	default:
257 		break;
258 	}
259 
260 	return (0);
261 }
262 
263 static int
264 hcons_probe(device_t dev)
265 {
266 	return (HIDMAP_PROBE(device_get_softc(dev), dev,
267 	    hcons_devs, hcons_map, "Consumer Control"));
268 }
269 
270 static int
271 hcons_attach(device_t dev)
272 {
273 	return (hidmap_attach(device_get_softc(dev)));
274 }
275 
276 static int
277 hcons_detach(device_t dev)
278 {
279 	return (hidmap_detach(device_get_softc(dev)));
280 }
281 
282 static devclass_t hcons_devclass;
283 static device_method_t hcons_methods[] = {
284 	DEVMETHOD(device_probe,		hcons_probe),
285 	DEVMETHOD(device_attach,	hcons_attach),
286 	DEVMETHOD(device_detach,	hcons_detach),
287 
288 	DEVMETHOD_END
289 };
290 
291 DEFINE_CLASS_0(hcons, hcons_driver, hcons_methods, sizeof(struct hidmap));
292 DRIVER_MODULE(hcons, hidbus, hcons_driver, hcons_devclass, NULL, 0);
293 MODULE_DEPEND(hcons, hid, 1, 1, 1);
294 MODULE_DEPEND(hcons, hidbus, 1, 1, 1);
295 MODULE_DEPEND(hcons, hidmap, 1, 1, 1);
296 MODULE_DEPEND(hcons, evdev, 1, 1, 1);
297 MODULE_VERSION(hcons, 1);
298 HID_PNP_INFO(hcons_devs);
299