xref: /netbsd-src/sys/dev/usb/ukbd.c (revision 63aea4bd5b445e491ff0389fe27ec78b3099dba3)
1 /*      $NetBSD: ukbd.c,v 1.130 2015/03/07 20:20:55 mrg Exp $        */
2 
3 /*
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Lennart Augustsson (lennart@augustsson.net) at
9  * Carlstedt Research & Technology.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
35  */
36 
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: ukbd.c,v 1.130 2015/03/07 20:20:55 mrg Exp $");
39 
40 #ifdef _KERNEL_OPT
41 #include "opt_ukbd.h"
42 #include "opt_ukbd_layout.h"
43 #include "opt_wsdisplay_compat.h"
44 #include "opt_ddb.h"
45 #endif /* _KERNEL_OPT */
46 
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/callout.h>
50 #include <sys/kernel.h>
51 #include <sys/device.h>
52 #include <sys/ioctl.h>
53 #include <sys/file.h>
54 #include <sys/select.h>
55 #include <sys/proc.h>
56 #include <sys/vnode.h>
57 #include <sys/poll.h>
58 
59 #include <dev/usb/usb.h>
60 #include <dev/usb/usbhid.h>
61 
62 #include <dev/usb/usbdi.h>
63 #include <dev/usb/usbdi_util.h>
64 #include <dev/usb/usbdivar.h>
65 #include <dev/usb/usbdevs.h>
66 #include <dev/usb/usb_quirks.h>
67 #include <dev/usb/uhidev.h>
68 #include <dev/usb/hid.h>
69 #include <dev/usb/ukbdvar.h>
70 
71 #include <dev/wscons/wsconsio.h>
72 #include <dev/wscons/wskbdvar.h>
73 #include <dev/wscons/wsksymdef.h>
74 #include <dev/wscons/wsksymvar.h>
75 
76 #ifdef UKBD_DEBUG
77 #define DPRINTF(x)	if (ukbddebug) printf x
78 #define DPRINTFN(n,x)	if (ukbddebug>(n)) printf x
79 int	ukbddebug = 0;
80 #else
81 #define DPRINTF(x)
82 #define DPRINTFN(n,x)
83 #endif
84 
85 #define MAXKEYCODE 6
86 #define MAXMOD 8		/* max 32 */
87 
88 struct ukbd_data {
89 	u_int32_t	modifiers;
90 	u_int8_t	keycode[MAXKEYCODE];
91 };
92 
93 #define PRESS    0x000
94 #define RELEASE  0x100
95 #define CODEMASK 0x0ff
96 
97 struct ukbd_keycodetrans {
98 	u_int16_t	from;
99 	u_int16_t	to;
100 };
101 
102 #define IS_PMF	0x8000
103 
104 Static const struct ukbd_keycodetrans trtab_apple_fn[] = {
105 	{ 0x0c, 0x5d },	/* i -> KP 5 */
106 	{ 0x0d, 0x59 },	/* j -> KP 1 */
107 	{ 0x0e, 0x5a },	/* k -> KP 2 */
108 	{ 0x0f, 0x5b },	/* l -> KP 3 */
109 	{ 0x10, 0x62 },	/* m -> KP 0 */
110 	{ 0x12, 0x5e },	/* o -> KP 6 */
111 	{ 0x13, 0x55 },	/* o -> KP * */
112 	{ 0x18, 0x5c },	/* u -> KP 4 */
113 	{ 0x0c, 0x5d },	/* i -> KP 5 */
114 	{ 0x2a, 0x4c },	/* Backspace -> Delete */
115 	{ 0x28, 0x49 },	/* Return -> Insert */
116 	{ 0x24, 0x5f }, /* 7 -> KP 7 */
117 	{ 0x25, 0x60 }, /* 8 -> KP 8 */
118 	{ 0x26, 0x61 }, /* 9 -> KP 9 */
119 	{ 0x27, 0x54 }, /* 0 -> KP / */
120 	{ 0x2d, 0x67 }, /* - -> KP = */
121 	{ 0x33, 0x56 },	/* ; -> KP - */
122 	{ 0x37, 0x63 },	/* . -> KP . */
123 	{ 0x38, 0x57 },	/* / -> KP + */
124 	{ 0x3a, 0xd1 },	/* F1..F12 mapped to reserved codes 0xd1..0xdc */
125 	{ 0x3b, 0xd2 },
126 	{ 0x3c, 0xd3 },
127 	{ 0x3d, 0xd4 },
128 	{ 0x3e, 0xd5 },
129 	{ 0x3f, 0xd6 },
130 	{ 0x40, 0xd7 },
131 	{ 0x41, 0xd8 },
132 	{ 0x42, 0xd9 },
133 	{ 0x43, 0xda },
134 	{ 0x44, 0xdb },
135 	{ 0x45, 0xdc },
136 	{ 0x4f, 0x4d },	/* Right -> End */
137 	{ 0x50, 0x4a },	/* Left -> Home */
138 	{ 0x51, 0x4e },	/* Down -> PageDown */
139 	{ 0x52, 0x4b },	/* Up -> PageUp */
140 	{ 0x00, 0x00 }
141 };
142 
143 Static const struct ukbd_keycodetrans trtab_apple_iso[] = {
144 	{ 0x35, 0x64 },	/* swap the key above tab with key right of shift */
145 	{ 0x64, 0x35 },
146 	{ 0x31, 0x32 },	/* key left of return is Europe1, not "\|" */
147 	{ 0x00, 0x00 }
148 };
149 
150 #ifdef GDIUM_KEYBOARD_HACK
151 Static const struct ukbd_keycodetrans trtab_gdium_fn[] = {
152 #ifdef notyet
153 	{ 58, 0 },	/* F1 -> toggle camera */
154 	{ 59, 0 },	/* F2 -> toggle wireless */
155 #endif
156 	{ 60, IS_PMF | PMFE_AUDIO_VOLUME_TOGGLE },
157 	{ 61, IS_PMF | PMFE_AUDIO_VOLUME_UP },
158 	{ 62, IS_PMF | PMFE_AUDIO_VOLUME_DOWN },
159 #ifdef notyet
160 	{ 63, 0 },	/* F6 -> toggle ext. video */
161 	{ 64, 0 },	/* F7 -> toggle mouse */
162 #endif
163 	{ 65, IS_PMF | PMFE_DISPLAY_BRIGHTNESS_UP },
164 	{ 66, IS_PMF | PMFE_DISPLAY_BRIGHTNESS_DOWN },
165 #ifdef notyet
166 	{ 67, 0 },	/* F10 -> suspend */
167 	{ 68, 0 },	/* F11 -> user1 */
168 	{ 69, 0 },	/* F12 -> user2 */
169 	{ 70, 0 },	/* print screen -> sysrq */
170 #endif
171 	{ 76, 71 },	/* delete -> scroll lock */
172 	{ 81, 78 },	/* down -> page down */
173 	{ 82, 75 },	/* up -> page up */
174 	{  0, 0 }
175 };
176 #endif
177 
178 Static const struct ukbd_keycodetrans trtab_generic[] = {
179 	{ 0x7f, IS_PMF | PMFE_AUDIO_VOLUME_TOGGLE },
180 	{ 0x80, IS_PMF | PMFE_AUDIO_VOLUME_UP },
181 	{ 0x81, IS_PMF | PMFE_AUDIO_VOLUME_DOWN },
182 	{ 0x00, 0x00 }
183 };
184 
185 #if defined(WSDISPLAY_COMPAT_RAWKBD)
186 #define NN 0			/* no translation */
187 /*
188  * Translate USB keycodes to US keyboard XT scancodes.
189  * Scancodes >= 0x80 represent EXTENDED keycodes.
190  *
191  * See http://www.microsoft.com/whdc/archive/scancode.mspx
192  *
193  * Note: a real pckbd(4) has more complexity in its
194  * protocol for some keys than this translation implements.
195  * For example, some keys generate Fake ShiftL events (e0 2a)
196  * before the actual key sequence.
197  */
198 Static const u_int8_t ukbd_trtab[256] = {
199       NN,   NN,   NN,   NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */
200     0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */
201     0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */
202     0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */
203     0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */
204     0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */
205     0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */
206     0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */
207     0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xb7, 0x46, /* 40 - 47 */
208     0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */
209     0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */
210     0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */
211     0x48, 0x49, 0x52, 0x53, 0x56, 0xdd, 0xdf, 0x59, /* 60 - 67 */
212     0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a,   NN, /* 68 - 6f */
213       NN,   NN,   NN,   NN, 0x84, 0x85, 0x87, 0x88, /* 70 - 77 */
214     0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,   NN, /* 78 - 7f */
215       NN,   NN,   NN,   NN,   NN, 0x7e,   NN, 0x73, /* 80 - 87 */
216     0x70, 0x7d, 0x79, 0x7b, 0x5c,   NN,   NN,   NN, /* 88 - 8f */
217       NN,   NN, 0x78, 0x77, 0x76,   NN,   NN,   NN, /* 90 - 97 */
218       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* 98 - 9f */
219       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* a0 - a7 */
220       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* a8 - af */
221       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* b0 - b7 */
222       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* b8 - bf */
223       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* c0 - c7 */
224       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* c8 - cf */
225       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* d0 - d7 */
226       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* d8 - df */
227     0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */
228       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* e8 - ef */
229       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* f0 - f7 */
230       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* f8 - ff */
231 };
232 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */
233 
234 #define KEY_ERROR 0x01
235 
236 #define MAXKEYS (MAXMOD+2*MAXKEYCODE)
237 
238 struct ukbd_softc {
239 	struct uhidev sc_hdev;
240 
241 	struct ukbd_data sc_ndata;
242 	struct ukbd_data sc_odata;
243 	struct hid_location sc_modloc[MAXMOD];
244 	u_int sc_nmod;
245 	struct {
246 		u_int32_t mask;
247 		u_int8_t key;
248 	} sc_mods[MAXMOD];
249 
250 	struct hid_location sc_keycodeloc;
251 	u_int sc_nkeycode;
252 
253 	u_int sc_flags;			/* flags */
254 #define FLAG_ENABLED		0x0001
255 #define FLAG_POLLING		0x0002
256 #define FLAG_DEBOUNCE		0x0004	/* for quirk handling */
257 #define FLAG_APPLE_FIX_ISO	0x0008
258 #define FLAG_APPLE_FN		0x0010
259 #define FLAG_GDIUM_FN		0x0020
260 #define FLAG_FN_PRESSED		0x0100	/* FN key is held down */
261 #define FLAG_FN_ALT		0x0200	/* Last Alt key was FN-Alt = AltGr */
262 
263 	int sc_console_keyboard;	/* we are the console keyboard */
264 
265 	struct callout sc_delay;	/* for quirk handling */
266 	struct ukbd_data sc_data;	/* for quirk handling */
267 
268 	struct hid_location sc_apple_fn;
269 	struct hid_location sc_numloc;
270 	struct hid_location sc_capsloc;
271 	struct hid_location sc_scroloc;
272 	struct hid_location sc_compose;
273 	int sc_leds;
274 	struct usb_task sc_ledtask;
275 	device_t sc_wskbddev;
276 
277 #if defined(WSDISPLAY_COMPAT_RAWKBD)
278 	int sc_rawkbd;
279 #if defined(UKBD_REPEAT)
280 	struct callout sc_rawrepeat_ch;
281 #define REP_DELAY1 400
282 #define REP_DELAYN 100
283 	int sc_nrep;
284 	char sc_rep[MAXKEYS];
285 #endif /* defined(UKBD_REPEAT) */
286 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */
287 
288 	int sc_spl;
289 	int sc_npollchar;
290 	u_int16_t sc_pollchars[MAXKEYS];
291 
292 	u_char sc_dying;
293 };
294 
295 #ifdef UKBD_DEBUG
296 #define UKBDTRACESIZE 64
297 struct ukbdtraceinfo {
298 	int unit;
299 	struct timeval tv;
300 	struct ukbd_data ud;
301 };
302 struct ukbdtraceinfo ukbdtracedata[UKBDTRACESIZE];
303 int ukbdtraceindex = 0;
304 int ukbdtrace = 0;
305 void ukbdtracedump(void);
306 void
307 ukbdtracedump(void)
308 {
309 	int i;
310 	for (i = 0; i < UKBDTRACESIZE; i++) {
311 		struct ukbdtraceinfo *p =
312 		    &ukbdtracedata[(i+ukbdtraceindex)%UKBDTRACESIZE];
313 		printf("%"PRIu64".%06"PRIu64": mod=0x%02x key0=0x%02x key1=0x%02x "
314 		       "key2=0x%02x key3=0x%02x\n",
315 		       p->tv.tv_sec, (uint64_t)p->tv.tv_usec,
316 		       p->ud.modifiers, p->ud.keycode[0], p->ud.keycode[1],
317 		       p->ud.keycode[2], p->ud.keycode[3]);
318 	}
319 }
320 #endif
321 
322 #define	UKBDUNIT(dev)	(minor(dev))
323 #define	UKBD_CHUNK	128	/* chunk size for read */
324 #define	UKBD_BSIZE	1020	/* buffer size */
325 
326 Static int	ukbd_is_console;
327 
328 Static void	ukbd_cngetc(void *, u_int *, int *);
329 Static void	ukbd_cnpollc(void *, int);
330 
331 const struct wskbd_consops ukbd_consops = {
332 	.getc =  ukbd_cngetc,
333 	.pollc = ukbd_cnpollc,
334 	.bell =  NULL,
335 };
336 
337 Static const char *ukbd_parse_desc(struct ukbd_softc *sc);
338 
339 Static void	ukbd_intr(struct uhidev *addr, void *ibuf, u_int len);
340 Static void	ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud);
341 Static void	ukbd_delayed_decode(void *addr);
342 
343 Static int	ukbd_enable(void *, int);
344 Static void	ukbd_set_leds(void *, int);
345 Static void	ukbd_set_leds_task(void *);
346 
347 Static int	ukbd_ioctl(void *, u_long, void *, int, struct lwp *);
348 #if  defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT)
349 Static void	ukbd_rawrepeat(void *v);
350 #endif
351 
352 const struct wskbd_accessops ukbd_accessops = {
353 	ukbd_enable,
354 	ukbd_set_leds,
355 	ukbd_ioctl,
356 };
357 
358 extern const struct wscons_keydesc ukbd_keydesctab[];
359 
360 const struct wskbd_mapdata ukbd_keymapdata = {
361 	ukbd_keydesctab,
362 #if defined(UKBD_LAYOUT)
363 	UKBD_LAYOUT,
364 #elif defined(PCKBD_LAYOUT)
365 	PCKBD_LAYOUT,
366 #else
367 	KB_US,
368 #endif
369 };
370 
371 static int ukbd_match(device_t, cfdata_t, void *);
372 static void ukbd_attach(device_t, device_t, void *);
373 static int ukbd_detach(device_t, int);
374 static int ukbd_activate(device_t, enum devact);
375 static void ukbd_childdet(device_t, device_t);
376 
377 extern struct cfdriver ukbd_cd;
378 
379 CFATTACH_DECL2_NEW(ukbd, sizeof(struct ukbd_softc), ukbd_match, ukbd_attach,
380     ukbd_detach, ukbd_activate, NULL, ukbd_childdet);
381 
382 int
383 ukbd_match(device_t parent, cfdata_t match, void *aux)
384 {
385 	struct uhidev_attach_arg *uha = aux;
386 	int size;
387 	void *desc;
388 
389 	uhidev_get_report_desc(uha->parent, &desc, &size);
390 	if (!hid_is_collection(desc, size, uha->reportid,
391 			       HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD)))
392 		return (UMATCH_NONE);
393 
394 	return (UMATCH_IFACECLASS);
395 }
396 
397 void
398 ukbd_attach(device_t parent, device_t self, void *aux)
399 {
400 	struct ukbd_softc *sc = device_private(self);
401 	struct uhidev_attach_arg *uha = aux;
402 	u_int32_t qflags;
403 	const char *parseerr;
404 	struct wskbddev_attach_args a;
405 
406 	sc->sc_hdev.sc_dev = self;
407 	sc->sc_hdev.sc_intr = ukbd_intr;
408 	sc->sc_hdev.sc_parent = uha->parent;
409 	sc->sc_hdev.sc_report_id = uha->reportid;
410 	sc->sc_flags = 0;
411 
412 	aprint_naive("\n");
413 
414 	if (!pmf_device_register(self, NULL, NULL)) {
415 		aprint_normal("\n");
416 		aprint_error_dev(self, "couldn't establish power handler\n");
417 	}
418 
419 	parseerr = ukbd_parse_desc(sc);
420 	if (parseerr != NULL) {
421 		aprint_normal("\n");
422 		aprint_error_dev(self, "attach failed, %s\n", parseerr);
423 		return;
424 	}
425 
426 	/* Quirks */
427 	qflags = usbd_get_quirks(uha->parent->sc_udev)->uq_flags;
428 	if (qflags & UQ_SPUR_BUT_UP)
429 		sc->sc_flags |= FLAG_DEBOUNCE;
430 	if (qflags & UQ_APPLE_ISO)
431 		sc->sc_flags |= FLAG_APPLE_FIX_ISO;
432 
433 #ifdef GDIUM_KEYBOARD_HACK
434 	if (uha->uaa->vendor == USB_VENDOR_CYPRESS &&
435 	    uha->uaa->product == USB_PRODUCT_CYPRESS_LPRDK)
436 		sc->sc_flags = FLAG_GDIUM_FN;
437 #endif
438 
439 #ifdef DIAGNOSTIC
440 	aprint_normal(": %d modifier keys, %d key codes", sc->sc_nmod,
441 	       sc->sc_nkeycode);
442 	if (sc->sc_flags & FLAG_APPLE_FN)
443 		aprint_normal(", apple fn key");
444 	if (sc->sc_flags & FLAG_APPLE_FIX_ISO)
445 		aprint_normal(", fix apple iso");
446 	if (sc->sc_flags & FLAG_GDIUM_FN)
447 		aprint_normal(", Gdium fn key");
448 #endif
449 	aprint_normal("\n");
450 
451 	/*
452 	 * Remember if we're the console keyboard.
453 	 *
454 	 * XXX This always picks the first keyboard on the
455 	 * first USB bus, but what else can we really do?
456 	 */
457 	if ((sc->sc_console_keyboard = ukbd_is_console) != 0) {
458 		/* Don't let any other keyboard have it. */
459 		ukbd_is_console = 0;
460 	}
461 
462 	if (sc->sc_console_keyboard) {
463 		DPRINTF(("ukbd_attach: console keyboard sc=%p\n", sc));
464 		wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata);
465 		ukbd_enable(sc, 1);
466 	}
467 
468 	a.console = sc->sc_console_keyboard;
469 
470 	a.keymap = &ukbd_keymapdata;
471 
472 	a.accessops = &ukbd_accessops;
473 	a.accesscookie = sc;
474 
475 #ifdef UKBD_REPEAT
476 	callout_init(&sc->sc_rawrepeat_ch, 0);
477 #endif
478 
479 	callout_init(&sc->sc_delay, 0);
480 
481 	usb_init_task(&sc->sc_ledtask, ukbd_set_leds_task, sc, 0);
482 
483 	/* Flash the leds; no real purpose, just shows we're alive. */
484 	ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS
485 			| WSKBD_LED_COMPOSE);
486 	usbd_delay_ms(uha->parent->sc_udev, 400);
487 	ukbd_set_leds(sc, 0);
488 
489 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
490 
491 	return;
492 }
493 
494 int
495 ukbd_enable(void *v, int on)
496 {
497 	struct ukbd_softc *sc = v;
498 
499 	if (on && sc->sc_dying)
500 		return (EIO);
501 
502 	/* Should only be called to change state */
503 	if ((sc->sc_flags & FLAG_ENABLED) != 0 && on != 0) {
504 #ifdef DIAGNOSTIC
505 		printf("ukbd_enable: %s: bad call on=%d\n",
506 		       device_xname(sc->sc_hdev.sc_dev), on);
507 #endif
508 		return (EBUSY);
509 	}
510 
511 	DPRINTF(("ukbd_enable: sc=%p on=%d\n", sc, on));
512 	if (on) {
513 		sc->sc_flags |= FLAG_ENABLED;
514 		return (uhidev_open(&sc->sc_hdev));
515 	} else {
516 		sc->sc_flags &= ~FLAG_ENABLED;
517 		uhidev_close(&sc->sc_hdev);
518 		return (0);
519 	}
520 }
521 
522 
523 static void
524 ukbd_childdet(device_t self, device_t child)
525 {
526 	struct ukbd_softc *sc = device_private(self);
527 
528 	KASSERT(sc->sc_wskbddev == child);
529 	sc->sc_wskbddev = NULL;
530 }
531 
532 int
533 ukbd_activate(device_t self, enum devact act)
534 {
535 	struct ukbd_softc *sc = device_private(self);
536 
537 	switch (act) {
538 	case DVACT_DEACTIVATE:
539 		sc->sc_dying = 1;
540 		return 0;
541 	default:
542 		return EOPNOTSUPP;
543 	}
544 }
545 
546 int
547 ukbd_detach(device_t self, int flags)
548 {
549 	struct ukbd_softc *sc = device_private(self);
550 	int rv = 0;
551 
552 	DPRINTF(("ukbd_detach: sc=%p flags=%d\n", sc, flags));
553 
554 	pmf_device_deregister(self);
555 
556 	if (sc->sc_console_keyboard) {
557 #if 0
558 		/*
559 		 * XXX Should probably disconnect our consops,
560 		 * XXX and either notify some other keyboard that
561 		 * XXX it can now be the console, or if there aren't
562 		 * XXX any more USB keyboards, set ukbd_is_console
563 		 * XXX back to 1 so that the next USB keyboard attached
564 		 * XXX to the system will get it.
565 		 */
566 		panic("ukbd_detach: console keyboard");
567 #else
568 		/*
569 		 * Disconnect our consops and set ukbd_is_console
570 		 * back to 1 so that the next USB keyboard attached
571 		 * to the system will get it.
572 		 * XXX Should notify some other keyboard that it can be
573 		 * XXX console, if there are any other keyboards.
574 		 */
575 		printf("%s: was console keyboard\n",
576 		       device_xname(sc->sc_hdev.sc_dev));
577 		wskbd_cndetach();
578 		ukbd_is_console = 1;
579 #endif
580 	}
581 	/* No need to do reference counting of ukbd, wskbd has all the goo. */
582 	if (sc->sc_wskbddev != NULL)
583 		rv = config_detach(sc->sc_wskbddev, flags);
584 
585 	/* The console keyboard does not get a disable call, so check pipe. */
586 	if (sc->sc_hdev.sc_state & UHIDEV_OPEN)
587 		uhidev_close(&sc->sc_hdev);
588 
589 	return (rv);
590 }
591 
592 static void
593 ukbd_translate_keycodes(struct ukbd_softc *sc, struct ukbd_data *ud,
594     const struct ukbd_keycodetrans *tab)
595 {
596 	const struct ukbd_keycodetrans *tp;
597 	int i;
598 	u_int8_t key;
599 
600 	for (i = 0; i < sc->sc_nkeycode; i++) {
601 		key = ud->keycode[i];
602 		if (key)
603 			for (tp = tab; tp->from; tp++)
604 				if (tp->from == key) {
605 					if (tp->to & IS_PMF) {
606 						pmf_event_inject(
607 						    sc->sc_hdev.sc_dev,
608 						    tp->to & 0xff);
609 						ud->keycode[i] = 0;
610 					} else
611 						ud->keycode[i] = tp->to;
612 					break;
613 				}
614 	}
615 }
616 
617 static u_int16_t
618 ukbd_translate_modifier(struct ukbd_softc *sc, u_int16_t key)
619 {
620 	if ((sc->sc_flags & FLAG_APPLE_FN) && (key & CODEMASK) == 0x00e2) {
621 		if ((key & ~CODEMASK) == PRESS) {
622 			if (sc->sc_flags & FLAG_FN_PRESSED) {
623 				/* pressed FN-Alt, translate to AltGr */
624 				key = 0x00e6 | PRESS;
625 				sc->sc_flags |= FLAG_FN_ALT;
626 			}
627 		} else {
628 			if (sc->sc_flags & FLAG_FN_ALT) {
629 				/* released Alt, which was treated as FN-Alt */
630 				key = 0x00e6 | RELEASE;
631 				sc->sc_flags &= ~FLAG_FN_ALT;
632 			}
633 		}
634 	}
635 	return key;
636 }
637 
638 void
639 ukbd_intr(struct uhidev *addr, void *ibuf, u_int len)
640 {
641 	struct ukbd_softc *sc = (struct ukbd_softc *)addr;
642 	struct ukbd_data *ud = &sc->sc_ndata;
643 	int i;
644 
645 #ifdef UKBD_DEBUG
646 	if (ukbddebug > 5) {
647 		printf("ukbd_intr: data");
648 		for (i = 0; i < len; i++)
649 			printf(" 0x%02x", ((u_char *)ibuf)[i]);
650 		printf("\n");
651 	}
652 #endif
653 
654 	ud->modifiers = 0;
655 	for (i = 0; i < sc->sc_nmod; i++)
656 		if (hid_get_data(ibuf, &sc->sc_modloc[i]))
657 			ud->modifiers |= sc->sc_mods[i].mask;
658 	memcpy(ud->keycode, (char *)ibuf + sc->sc_keycodeloc.pos / 8,
659 	       sc->sc_nkeycode);
660 
661 	if (sc->sc_flags & FLAG_APPLE_FN) {
662 		if (hid_get_data(ibuf, &sc->sc_apple_fn)) {
663 			sc->sc_flags |= FLAG_FN_PRESSED;
664 			ukbd_translate_keycodes(sc, ud, trtab_apple_fn);
665 		}
666 		else
667 			sc->sc_flags &= ~FLAG_FN_PRESSED;
668 	}
669 
670 #ifdef GDIUM_KEYBOARD_HACK
671 	if (sc->sc_flags & FLAG_GDIUM_FN) {
672 		if (sc->sc_flags & FLAG_FN_PRESSED) {
673 			ukbd_translate_keycodes(sc, ud, trtab_gdium_fn);
674 		}
675 	}
676 #endif
677 
678 	ukbd_translate_keycodes(sc, ud, trtab_generic);
679 
680 	if ((sc->sc_flags & FLAG_DEBOUNCE) && !(sc->sc_flags & FLAG_POLLING)) {
681 		/*
682 		 * Some keyboards have a peculiar quirk.  They sometimes
683 		 * generate a key up followed by a key down for the same
684 		 * key after about 10 ms.
685 		 * We avoid this bug by holding off decoding for 20 ms.
686 		 */
687 		sc->sc_data = *ud;
688 		callout_reset(&sc->sc_delay, hz / 50, ukbd_delayed_decode, sc);
689 #ifdef DDB
690 	} else if (sc->sc_console_keyboard && !(sc->sc_flags & FLAG_POLLING)) {
691 		/*
692 		 * For the console keyboard we can't deliver CTL-ALT-ESC
693 		 * from the interrupt routine.  Doing so would start
694 		 * polling from inside the interrupt routine and that
695 		 * loses bigtime.
696 		 */
697 		sc->sc_data = *ud;
698 		callout_reset(&sc->sc_delay, 1, ukbd_delayed_decode, sc);
699 #endif
700 	} else {
701 		ukbd_decode(sc, ud);
702 	}
703 }
704 
705 void
706 ukbd_delayed_decode(void *addr)
707 {
708 	struct ukbd_softc *sc = addr;
709 
710 	ukbd_decode(sc, &sc->sc_data);
711 }
712 
713 void
714 ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud)
715 {
716 	int mod, omod;
717 	u_int16_t ibuf[MAXKEYS];	/* chars events */
718 	int s;
719 	int nkeys, i, j;
720 	int key;
721 #define ADDKEY(c) ibuf[nkeys++] = (c)
722 
723 #ifdef UKBD_DEBUG
724 	/*
725 	 * Keep a trace of the last events.  Using printf changes the
726 	 * timing, so this can be useful sometimes.
727 	 */
728 	if (ukbdtrace) {
729 		struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex];
730 		p->unit = device_unit(sc->sc_hdev.sc_dev);
731 		microtime(&p->tv);
732 		p->ud = *ud;
733 		if (++ukbdtraceindex >= UKBDTRACESIZE)
734 			ukbdtraceindex = 0;
735 	}
736 	if (ukbddebug > 5) {
737 		struct timeval tv;
738 		microtime(&tv);
739 		DPRINTF((" at %"PRIu64".%06"PRIu64"  mod=0x%02x key0=0x%02x key1=0x%02x "
740 			 "key2=0x%02x key3=0x%02x\n",
741 			 tv.tv_sec, (uint64_t)tv.tv_usec,
742 			 ud->modifiers, ud->keycode[0], ud->keycode[1],
743 			 ud->keycode[2], ud->keycode[3]));
744 	}
745 #endif
746 
747 	if (ud->keycode[0] == KEY_ERROR) {
748 		DPRINTF(("ukbd_intr: KEY_ERROR\n"));
749 		return;		/* ignore  */
750 	}
751 
752 	if (sc->sc_flags & FLAG_APPLE_FIX_ISO)
753 		ukbd_translate_keycodes(sc, ud, trtab_apple_iso);
754 
755 	nkeys = 0;
756 	mod = ud->modifiers;
757 	omod = sc->sc_odata.modifiers;
758 	if (mod != omod)
759 		for (i = 0; i < sc->sc_nmod; i++)
760 			if (( mod & sc->sc_mods[i].mask) !=
761 			    (omod & sc->sc_mods[i].mask)) {
762 				key = sc->sc_mods[i].key |
763 				    ((mod & sc->sc_mods[i].mask) ?
764 				    PRESS : RELEASE);
765 				ADDKEY(ukbd_translate_modifier(sc, key));
766 			}
767 	if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) {
768 		/* Check for released keys. */
769 		for (i = 0; i < sc->sc_nkeycode; i++) {
770 			key = sc->sc_odata.keycode[i];
771 			if (key == 0)
772 				continue;
773 			for (j = 0; j < sc->sc_nkeycode; j++)
774 				if (key == ud->keycode[j])
775 					goto rfound;
776 			DPRINTFN(3,("ukbd_intr: relse key=0x%02x\n", key));
777 #ifdef GDIUM_KEYBOARD_HACK
778 			if (sc->sc_flags & FLAG_GDIUM_FN) {
779 				if (key == 0x82) {
780 					sc->sc_flags &= ~FLAG_FN_PRESSED;
781 					goto rfound;
782 				}
783 			}
784 #endif
785 			ADDKEY(key | RELEASE);
786 		rfound:
787 			;
788 		}
789 
790 		/* Check for pressed keys. */
791 		for (i = 0; i < sc->sc_nkeycode; i++) {
792 			key = ud->keycode[i];
793 			if (key == 0)
794 				continue;
795 			for (j = 0; j < sc->sc_nkeycode; j++)
796 				if (key == sc->sc_odata.keycode[j])
797 					goto pfound;
798 			DPRINTFN(2,("ukbd_intr: press key=0x%02x\n", key));
799 #ifdef GDIUM_KEYBOARD_HACK
800 			if (sc->sc_flags & FLAG_GDIUM_FN) {
801 				if (key == 0x82) {
802 					sc->sc_flags |= FLAG_FN_PRESSED;
803 					goto pfound;
804 				}
805 			}
806 #endif
807 			ADDKEY(key | PRESS);
808 		pfound:
809 			;
810 		}
811 	}
812 	sc->sc_odata = *ud;
813 
814 	if (nkeys == 0)
815 		return;
816 
817 	if (sc->sc_flags & FLAG_POLLING) {
818 		DPRINTFN(1,("ukbd_intr: pollchar = 0x%03x\n", ibuf[0]));
819 		memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t));
820 		sc->sc_npollchar = nkeys;
821 		return;
822 	}
823 #ifdef WSDISPLAY_COMPAT_RAWKBD
824 	if (sc->sc_rawkbd) {
825 		u_char cbuf[MAXKEYS * 2];
826 		int c;
827 #if defined(UKBD_REPEAT)
828 		int npress = 0;
829 #endif
830 
831 		for (i = j = 0; i < nkeys; i++) {
832 			key = ibuf[i];
833 			c = ukbd_trtab[key & CODEMASK];
834 			if (c == NN)
835 				continue;
836 			if (c == 0x7f) {
837 				/* pause key */
838 				cbuf[j++] = 0xe1;
839 				cbuf[j++] = 0x1d;
840 				cbuf[j-1] |= (key & RELEASE) ? 0x80 : 0;
841 				cbuf[j] = 0x45;
842 			} else {
843 				if (c & 0x80)
844 					cbuf[j++] = 0xe0;
845 				cbuf[j] = c & 0x7f;
846 			}
847 			if (key & RELEASE)
848 				cbuf[j] |= 0x80;
849 #if defined(UKBD_REPEAT)
850 			else {
851 				/* remember pressed keys for autorepeat */
852 				if (c & 0x80)
853 					sc->sc_rep[npress++] = 0xe0;
854 				sc->sc_rep[npress++] = c & 0x7f;
855 			}
856 #endif
857 			DPRINTFN(1,("ukbd_intr: raw = %s0x%02x\n",
858 				    c & 0x80 ? "0xe0 " : "",
859 				    cbuf[j]));
860 			j++;
861 		}
862 		s = spltty();
863 		wskbd_rawinput(sc->sc_wskbddev, cbuf, j);
864 		splx(s);
865 #ifdef UKBD_REPEAT
866 		callout_stop(&sc->sc_rawrepeat_ch);
867 		if (npress != 0) {
868 			sc->sc_nrep = npress;
869 			callout_reset(&sc->sc_rawrepeat_ch,
870 			    hz * REP_DELAY1 / 1000, ukbd_rawrepeat, sc);
871 		}
872 #endif
873 		return;
874 	}
875 #endif
876 
877 	s = spltty();
878 	for (i = 0; i < nkeys; i++) {
879 		key = ibuf[i];
880 		wskbd_input(sc->sc_wskbddev,
881 		    key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN,
882 		    key&CODEMASK);
883 	}
884 	splx(s);
885 }
886 
887 void
888 ukbd_set_leds(void *v, int leds)
889 {
890 	struct ukbd_softc *sc = v;
891 	usbd_device_handle udev = sc->sc_hdev.sc_parent->sc_udev;
892 
893 	DPRINTF(("ukbd_set_leds: sc=%p leds=%d, sc_leds=%d\n",
894 		 sc, leds, sc->sc_leds));
895 
896 	if (sc->sc_dying)
897 		return;
898 
899 	if (sc->sc_leds == leds)
900 		return;
901 
902 	sc->sc_leds = leds;
903 	usb_add_task(udev, &sc->sc_ledtask, USB_TASKQ_DRIVER);
904 }
905 
906 void
907 ukbd_set_leds_task(void *v)
908 {
909 	struct ukbd_softc *sc = v;
910 	int leds = sc->sc_leds;
911 	uint8_t res = 0;
912 
913 	/* XXX not really right */
914 	if ((leds & WSKBD_LED_COMPOSE) && sc->sc_compose.size == 1)
915 		res |= 1 << sc->sc_compose.pos;
916 	if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1)
917 		res |= 1 << sc->sc_scroloc.pos;
918 	if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1)
919 		res |= 1 << sc->sc_numloc.pos;
920 	if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1)
921 		res |= 1 << sc->sc_capsloc.pos;
922 
923 	uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT, &res, 1);
924 }
925 
926 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT)
927 void
928 ukbd_rawrepeat(void *v)
929 {
930 	struct ukbd_softc *sc = v;
931 	int s;
932 
933 	s = spltty();
934 	wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep);
935 	splx(s);
936 	callout_reset(&sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000,
937 	    ukbd_rawrepeat, sc);
938 }
939 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) */
940 
941 int
942 ukbd_ioctl(void *v, u_long cmd, void *data, int flag,
943     struct lwp *l)
944 {
945 	struct ukbd_softc *sc = v;
946 
947 	switch (cmd) {
948 	case WSKBDIO_GTYPE:
949 		*(int *)data = WSKBD_TYPE_USB;
950 		return (0);
951 	case WSKBDIO_SETLEDS:
952 		ukbd_set_leds(v, *(int *)data);
953 		return (0);
954 	case WSKBDIO_GETLEDS:
955 		*(int *)data = sc->sc_leds;
956 		return (0);
957 #if defined(WSDISPLAY_COMPAT_RAWKBD)
958 	case WSKBDIO_SETMODE:
959 		DPRINTF(("ukbd_ioctl: set raw = %d\n", *(int *)data));
960 		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
961 #if defined(UKBD_REPEAT)
962 		callout_stop(&sc->sc_rawrepeat_ch);
963 #endif
964 		return (0);
965 #endif
966 	}
967 	return (EPASSTHROUGH);
968 }
969 
970 /*
971  * This is a hack to work around some broken ports that don't call
972  * cnpollc() before cngetc().
973  */
974 static int pollenter, warned;
975 
976 /* Console interface. */
977 void
978 ukbd_cngetc(void *v, u_int *type, int *data)
979 {
980 	struct ukbd_softc *sc = v;
981 	int c;
982 	int broken;
983 
984 	if (pollenter == 0) {
985 		if (!warned) {
986 			printf("\n"
987 "This port is broken, it does not call cnpollc() before calling cngetc().\n"
988 "This should be fixed, but it will work anyway (for now).\n");
989 			warned = 1;
990 		}
991 		broken = 1;
992 		ukbd_cnpollc(v, 1);
993 	} else
994 		broken = 0;
995 
996 	DPRINTFN(0,("ukbd_cngetc: enter\n"));
997 	sc->sc_flags |= FLAG_POLLING;
998 	while (sc->sc_npollchar <= 0)
999 		usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface);
1000 	sc->sc_flags &= ~FLAG_POLLING;
1001 	c = sc->sc_pollchars[0];
1002 	sc->sc_npollchar--;
1003 	memcpy(sc->sc_pollchars, sc->sc_pollchars+1,
1004 	       sc->sc_npollchar * sizeof(u_int16_t));
1005 	*type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
1006 	*data = c & CODEMASK;
1007 	DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c));
1008 	if (broken)
1009 		ukbd_cnpollc(v, 0);
1010 }
1011 
1012 void
1013 ukbd_cnpollc(void *v, int on)
1014 {
1015 	struct ukbd_softc *sc = v;
1016 	usbd_device_handle dev;
1017 
1018 	DPRINTFN(2,("ukbd_cnpollc: sc=%p on=%d\n", v, on));
1019 
1020 	usbd_interface2device_handle(sc->sc_hdev.sc_parent->sc_iface, &dev);
1021 	if (on) {
1022 		sc->sc_spl = splusb();
1023 		pollenter++;
1024 	} else {
1025 		splx(sc->sc_spl);
1026 		pollenter--;
1027 	}
1028 	usbd_set_polling(dev, on);
1029 }
1030 
1031 int
1032 ukbd_cnattach(void)
1033 {
1034 
1035 	/*
1036 	 * XXX USB requires too many parts of the kernel to be running
1037 	 * XXX in order to work, so we can't do much for the console
1038 	 * XXX keyboard until autconfiguration has run its course.
1039 	 */
1040 	ukbd_is_console = 1;
1041 	return (0);
1042 }
1043 
1044 const char *
1045 ukbd_parse_desc(struct ukbd_softc *sc)
1046 {
1047 	struct hid_data *d;
1048 	struct hid_item h;
1049 	int size;
1050 	void *desc;
1051 	int imod;
1052 
1053 	uhidev_get_report_desc(sc->sc_hdev.sc_parent, &desc, &size);
1054 	imod = 0;
1055 	sc->sc_nkeycode = 0;
1056 	d = hid_start_parse(desc, size, hid_input);
1057 	while (hid_get_item(d, &h)) {
1058 		/*printf("ukbd: id=%d kind=%d usage=0x%x flags=0x%x pos=%d size=%d cnt=%d\n",
1059 		  h.report_ID, h.kind, h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count);*/
1060 
1061 		/* Check for special Apple notebook FN key */
1062 		if (HID_GET_USAGE_PAGE(h.usage) == 0x00ff &&
1063 		    HID_GET_USAGE(h.usage) == 0x0003 &&
1064 		    h.kind == hid_input && (h.flags & HIO_VARIABLE)) {
1065 			sc->sc_flags |= FLAG_APPLE_FN;
1066 			sc->sc_apple_fn = h.loc;
1067 		}
1068 
1069 		if (h.kind != hid_input || (h.flags & HIO_CONST) ||
1070 		    HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD ||
1071 		    h.report_ID != sc->sc_hdev.sc_report_id)
1072 			continue;
1073 		DPRINTF(("ukbd: imod=%d usage=0x%x flags=0x%x pos=%d size=%d "
1074 			 "cnt=%d\n", imod,
1075 			 h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count));
1076 		if (h.flags & HIO_VARIABLE) {
1077 			if (h.loc.size != 1)
1078 				return ("bad modifier size");
1079 			/* Single item */
1080 			if (imod < MAXMOD) {
1081 				sc->sc_modloc[imod] = h.loc;
1082 				sc->sc_mods[imod].mask = 1 << imod;
1083 				sc->sc_mods[imod].key = HID_GET_USAGE(h.usage);
1084 				imod++;
1085 			} else
1086 				return ("too many modifier keys");
1087 		} else {
1088 			/* Array */
1089 			if (h.loc.size != 8)
1090 				return ("key code size != 8");
1091 			if (h.loc.count > MAXKEYCODE)
1092 				h.loc.count = MAXKEYCODE;
1093 			if (h.loc.pos % 8 != 0)
1094 				return ("key codes not on byte boundary");
1095 			if (sc->sc_nkeycode != 0)
1096 				return ("multiple key code arrays\n");
1097 			sc->sc_keycodeloc = h.loc;
1098 			sc->sc_nkeycode = h.loc.count;
1099 		}
1100 	}
1101 	sc->sc_nmod = imod;
1102 	hid_end_parse(d);
1103 
1104 	hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK),
1105 		   sc->sc_hdev.sc_report_id, hid_output, &sc->sc_numloc, NULL);
1106 	hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK),
1107 		   sc->sc_hdev.sc_report_id, hid_output, &sc->sc_capsloc, NULL);
1108 	hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK),
1109 		   sc->sc_hdev.sc_report_id, hid_output, &sc->sc_scroloc, NULL);
1110 	hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_COMPOSE),
1111 		   sc->sc_hdev.sc_report_id, hid_output, &sc->sc_compose, NULL);
1112 
1113 	return (NULL);
1114 }
1115