xref: /netbsd-src/sys/dev/usb/ukbd.c (revision 2e2322c9c07009df921d11b1268f8506affbb8ba)
1 /*      $NetBSD: ukbd.c,v 1.134 2016/11/25 12:50:13 skrll 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 1.134 2016/11/25 12:50:13 skrll Exp $");
39 
40 #ifdef _KERNEL_OPT
41 #include "opt_ddb.h"
42 #include "opt_ukbd.h"
43 #include "opt_ukbd_layout.h"
44 #include "opt_usb.h"
45 #include "opt_wsdisplay_compat.h"
46 #endif /* _KERNEL_OPT */
47 
48 #include <sys/param.h>
49 #include <sys/systm.h>
50 #include <sys/callout.h>
51 #include <sys/kernel.h>
52 #include <sys/device.h>
53 #include <sys/ioctl.h>
54 #include <sys/file.h>
55 #include <sys/select.h>
56 #include <sys/proc.h>
57 #include <sys/vnode.h>
58 #include <sys/poll.h>
59 
60 #include <dev/usb/usb.h>
61 #include <dev/usb/usbhid.h>
62 
63 #include <dev/usb/usbdi.h>
64 #include <dev/usb/usbdi_util.h>
65 #include <dev/usb/usbdivar.h>
66 #include <dev/usb/usbdevs.h>
67 #include <dev/usb/usb_quirks.h>
68 #include <dev/usb/uhidev.h>
69 #include <dev/usb/hid.h>
70 #include <dev/usb/ukbdvar.h>
71 
72 #include <dev/wscons/wsconsio.h>
73 #include <dev/wscons/wskbdvar.h>
74 #include <dev/wscons/wsksymdef.h>
75 #include <dev/wscons/wsksymvar.h>
76 
77 #ifdef UKBD_DEBUG
78 #define DPRINTF(x)	if (ukbddebug) printf x
79 #define DPRINTFN(n,x)	if (ukbddebug>(n)) printf x
80 int	ukbddebug = 0;
81 #else
82 #define DPRINTF(x)
83 #define DPRINTFN(n,x)
84 #endif
85 
86 #define MAXKEYCODE 6
87 #define MAXMOD 8		/* max 32 */
88 
89 struct ukbd_data {
90 	uint32_t	modifiers;
91 	uint8_t		keycode[MAXKEYCODE];
92 };
93 
94 #define PRESS    0x000
95 #define RELEASE  0x100
96 #define CODEMASK 0x0ff
97 
98 struct ukbd_keycodetrans {
99 	uint16_t	from;
100 	uint16_t	to;
101 };
102 
103 #define IS_PMF	0x8000
104 
105 Static const struct ukbd_keycodetrans trtab_apple_fn[] = {
106 	{ 0x0c, 0x5d },	/* i -> KP 5 */
107 	{ 0x0d, 0x59 },	/* j -> KP 1 */
108 	{ 0x0e, 0x5a },	/* k -> KP 2 */
109 	{ 0x0f, 0x5b },	/* l -> KP 3 */
110 	{ 0x10, 0x62 },	/* m -> KP 0 */
111 	{ 0x12, 0x5e },	/* o -> KP 6 */
112 	{ 0x13, 0x55 },	/* o -> KP * */
113 	{ 0x18, 0x5c },	/* u -> KP 4 */
114 	{ 0x0c, 0x5d },	/* i -> KP 5 */
115 	{ 0x2a, 0x4c },	/* Backspace -> Delete */
116 	{ 0x28, 0x49 },	/* Return -> Insert */
117 	{ 0x24, 0x5f }, /* 7 -> KP 7 */
118 	{ 0x25, 0x60 }, /* 8 -> KP 8 */
119 	{ 0x26, 0x61 }, /* 9 -> KP 9 */
120 	{ 0x27, 0x54 }, /* 0 -> KP / */
121 	{ 0x2d, 0x67 }, /* - -> KP = */
122 	{ 0x33, 0x56 },	/* ; -> KP - */
123 	{ 0x37, 0x63 },	/* . -> KP . */
124 	{ 0x38, 0x57 },	/* / -> KP + */
125 	{ 0x3a, 0xd1 },	/* F1..F12 mapped to reserved codes 0xd1..0xdc */
126 	{ 0x3b, 0xd2 },
127 	{ 0x3c, 0xd3 },
128 	{ 0x3d, 0xd4 },
129 	{ 0x3e, 0xd5 },
130 	{ 0x3f, 0xd6 },
131 	{ 0x40, 0xd7 },
132 	{ 0x41, 0xd8 },
133 	{ 0x42, 0xd9 },
134 	{ 0x43, 0xda },
135 	{ 0x44, 0xdb },
136 	{ 0x45, 0xdc },
137 	{ 0x4f, 0x4d },	/* Right -> End */
138 	{ 0x50, 0x4a },	/* Left -> Home */
139 	{ 0x51, 0x4e },	/* Down -> PageDown */
140 	{ 0x52, 0x4b },	/* Up -> PageUp */
141 	{ 0x00, 0x00 }
142 };
143 
144 Static const struct ukbd_keycodetrans trtab_apple_iso[] = {
145 	{ 0x35, 0x64 },	/* swap the key above tab with key right of shift */
146 	{ 0x64, 0x35 },
147 	{ 0x31, 0x32 },	/* key left of return is Europe1, not "\|" */
148 	{ 0x00, 0x00 }
149 };
150 
151 #ifdef GDIUM_KEYBOARD_HACK
152 Static const struct ukbd_keycodetrans trtab_gdium_fn[] = {
153 #ifdef notyet
154 	{ 58, 0 },	/* F1 -> toggle camera */
155 	{ 59, 0 },	/* F2 -> toggle wireless */
156 #endif
157 	{ 60, IS_PMF | PMFE_AUDIO_VOLUME_TOGGLE },
158 	{ 61, IS_PMF | PMFE_AUDIO_VOLUME_UP },
159 	{ 62, IS_PMF | PMFE_AUDIO_VOLUME_DOWN },
160 #ifdef notyet
161 	{ 63, 0 },	/* F6 -> toggle ext. video */
162 	{ 64, 0 },	/* F7 -> toggle mouse */
163 #endif
164 	{ 65, IS_PMF | PMFE_DISPLAY_BRIGHTNESS_UP },
165 	{ 66, IS_PMF | PMFE_DISPLAY_BRIGHTNESS_DOWN },
166 #ifdef notyet
167 	{ 67, 0 },	/* F10 -> suspend */
168 	{ 68, 0 },	/* F11 -> user1 */
169 	{ 69, 0 },	/* F12 -> user2 */
170 	{ 70, 0 },	/* print screen -> sysrq */
171 #endif
172 	{ 76, 71 },	/* delete -> scroll lock */
173 	{ 81, 78 },	/* down -> page down */
174 	{ 82, 75 },	/* up -> page up */
175 	{  0, 0 }
176 };
177 #endif
178 
179 Static const struct ukbd_keycodetrans trtab_generic[] = {
180 	{ 0x7f, IS_PMF | PMFE_AUDIO_VOLUME_TOGGLE },
181 	{ 0x80, IS_PMF | PMFE_AUDIO_VOLUME_UP },
182 	{ 0x81, IS_PMF | PMFE_AUDIO_VOLUME_DOWN },
183 	{ 0x00, 0x00 }
184 };
185 
186 #if defined(WSDISPLAY_COMPAT_RAWKBD)
187 #define NN 0			/* no translation */
188 /*
189  * Translate USB keycodes to US keyboard XT scancodes.
190  * Scancodes >= 0x80 represent EXTENDED keycodes.
191  *
192  * See http://www.microsoft.com/whdc/archive/scancode.mspx
193  *
194  * Note: a real pckbd(4) has more complexity in its
195  * protocol for some keys than this translation implements.
196  * For example, some keys generate Fake ShiftL events (e0 2a)
197  * before the actual key sequence.
198  */
199 Static const uint8_t ukbd_trtab[256] = {
200       NN,   NN,   NN,   NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */
201     0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */
202     0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */
203     0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */
204     0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */
205     0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */
206     0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */
207     0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */
208     0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xb7, 0x46, /* 40 - 47 */
209     0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */
210     0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */
211     0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */
212     0x48, 0x49, 0x52, 0x53, 0x56, 0xdd, 0xdf, 0x59, /* 60 - 67 */
213     0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a,   NN, /* 68 - 6f */
214       NN,   NN,   NN,   NN, 0x84, 0x85, 0x87, 0x88, /* 70 - 77 */
215     0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,   NN, /* 78 - 7f */
216       NN,   NN,   NN,   NN,   NN, 0x7e,   NN, 0x73, /* 80 - 87 */
217     0x70, 0x7d, 0x79, 0x7b, 0x5c,   NN,   NN,   NN, /* 88 - 8f */
218       NN,   NN, 0x78, 0x77, 0x76,   NN,   NN,   NN, /* 90 - 97 */
219       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* 98 - 9f */
220       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* a0 - a7 */
221       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* a8 - af */
222       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* b0 - b7 */
223       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* b8 - bf */
224       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* c0 - c7 */
225       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* c8 - cf */
226       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* d0 - d7 */
227       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* d8 - df */
228     0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */
229       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* e8 - ef */
230       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* f0 - f7 */
231       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* f8 - ff */
232 };
233 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */
234 
235 #define KEY_ERROR 0x01
236 
237 #define MAXKEYS (MAXMOD+2*MAXKEYCODE)
238 
239 struct ukbd_softc {
240 	struct uhidev sc_hdev;
241 
242 	struct ukbd_data sc_ndata;
243 	struct ukbd_data sc_odata;
244 	struct hid_location sc_modloc[MAXMOD];
245 	u_int sc_nmod;
246 	struct {
247 		uint32_t mask;
248 		uint8_t key;
249 	} sc_mods[MAXMOD];
250 
251 	struct hid_location sc_keycodeloc;
252 	u_int sc_nkeycode;
253 
254 	u_int sc_flags;			/* flags */
255 #define FLAG_ENABLED		0x0001
256 #define FLAG_POLLING		0x0002
257 #define FLAG_DEBOUNCE		0x0004	/* for quirk handling */
258 #define FLAG_APPLE_FIX_ISO	0x0008
259 #define FLAG_APPLE_FN		0x0010
260 #define FLAG_GDIUM_FN		0x0020
261 #define FLAG_FN_PRESSED		0x0100	/* FN key is held down */
262 #define FLAG_FN_ALT		0x0200	/* Last Alt key was FN-Alt = AltGr */
263 
264 	int sc_console_keyboard;	/* we are the console keyboard */
265 
266 	struct callout sc_delay;	/* for quirk handling */
267 	struct ukbd_data sc_data;	/* for quirk handling */
268 
269 	struct hid_location sc_apple_fn;
270 	struct hid_location sc_numloc;
271 	struct hid_location sc_capsloc;
272 	struct hid_location sc_scroloc;
273 	struct hid_location sc_compose;
274 	int sc_leds;
275 	struct usb_task sc_ledtask;
276 	device_t sc_wskbddev;
277 
278 #if defined(WSDISPLAY_COMPAT_RAWKBD)
279 	int sc_rawkbd;
280 #if defined(UKBD_REPEAT)
281 	struct callout sc_rawrepeat_ch;
282 #define REP_DELAY1 400
283 #define REP_DELAYN 100
284 	int sc_nrep;
285 	char sc_rep[MAXKEYS];
286 #endif /* defined(UKBD_REPEAT) */
287 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */
288 
289 	int sc_spl;
290 	int sc_npollchar;
291 	uint16_t sc_pollchars[MAXKEYS];
292 
293 	u_char sc_dying;
294 };
295 
296 #ifdef UKBD_DEBUG
297 #define UKBDTRACESIZE 64
298 struct ukbdtraceinfo {
299 	int unit;
300 	struct timeval tv;
301 	struct ukbd_data ud;
302 };
303 struct ukbdtraceinfo ukbdtracedata[UKBDTRACESIZE];
304 int ukbdtraceindex = 0;
305 int ukbdtrace = 0;
306 void ukbdtracedump(void);
307 void
308 ukbdtracedump(void)
309 {
310 	int i;
311 	for (i = 0; i < UKBDTRACESIZE; i++) {
312 		struct ukbdtraceinfo *p =
313 		    &ukbdtracedata[(i+ukbdtraceindex)%UKBDTRACESIZE];
314 		printf("%"PRIu64".%06"PRIu64": mod=0x%02x key0=0x%02x key1=0x%02x "
315 		       "key2=0x%02x key3=0x%02x\n",
316 		       p->tv.tv_sec, (uint64_t)p->tv.tv_usec,
317 		       p->ud.modifiers, p->ud.keycode[0], p->ud.keycode[1],
318 		       p->ud.keycode[2], p->ud.keycode[3]);
319 	}
320 }
321 #endif
322 
323 #define	UKBDUNIT(dev)	(minor(dev))
324 #define	UKBD_CHUNK	128	/* chunk size for read */
325 #define	UKBD_BSIZE	1020	/* buffer size */
326 
327 Static int	ukbd_is_console;
328 
329 Static void	ukbd_cngetc(void *, u_int *, int *);
330 Static void	ukbd_cnpollc(void *, int);
331 
332 const struct wskbd_consops ukbd_consops = {
333 	.getc =  ukbd_cngetc,
334 	.pollc = ukbd_cnpollc,
335 	.bell =  NULL,
336 };
337 
338 Static const char *ukbd_parse_desc(struct ukbd_softc *);
339 
340 Static void	ukbd_intr(struct uhidev *, void *, u_int);
341 Static void	ukbd_decode(struct ukbd_softc *, struct ukbd_data *);
342 Static void	ukbd_delayed_decode(void *);
343 
344 Static int	ukbd_enable(void *, int);
345 Static void	ukbd_set_leds(void *, int);
346 Static void	ukbd_set_leds_task(void *);
347 
348 Static int	ukbd_ioctl(void *, u_long, void *, int, struct lwp *);
349 #if  defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT)
350 Static void	ukbd_rawrepeat(void *v);
351 #endif
352 
353 const struct wskbd_accessops ukbd_accessops = {
354 	ukbd_enable,
355 	ukbd_set_leds,
356 	ukbd_ioctl,
357 };
358 
359 extern const struct wscons_keydesc ukbd_keydesctab[];
360 
361 const struct wskbd_mapdata ukbd_keymapdata = {
362 	ukbd_keydesctab,
363 #if defined(UKBD_LAYOUT)
364 	UKBD_LAYOUT,
365 #elif defined(PCKBD_LAYOUT)
366 	PCKBD_LAYOUT,
367 #else
368 	KB_US,
369 #endif
370 };
371 
372 static int ukbd_match(device_t, cfdata_t, void *);
373 static void ukbd_attach(device_t, device_t, void *);
374 static int ukbd_detach(device_t, int);
375 static int ukbd_activate(device_t, enum devact);
376 static void ukbd_childdet(device_t, device_t);
377 
378 extern struct cfdriver ukbd_cd;
379 
380 CFATTACH_DECL2_NEW(ukbd, sizeof(struct ukbd_softc), ukbd_match, ukbd_attach,
381     ukbd_detach, ukbd_activate, NULL, ukbd_childdet);
382 
383 int
384 ukbd_match(device_t parent, cfdata_t match, void *aux)
385 {
386 	struct uhidev_attach_arg *uha = aux;
387 	int size;
388 	void *desc;
389 
390 	uhidev_get_report_desc(uha->parent, &desc, &size);
391 	if (!hid_is_collection(desc, size, uha->reportid,
392 			       HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD)))
393 		return UMATCH_NONE;
394 
395 	return UMATCH_IFACECLASS;
396 }
397 
398 void
399 ukbd_attach(device_t parent, device_t self, void *aux)
400 {
401 	struct ukbd_softc *sc = device_private(self);
402 	struct uhidev_attach_arg *uha = aux;
403 	uint32_t qflags;
404 	const char *parseerr;
405 	struct wskbddev_attach_args a;
406 
407 	sc->sc_hdev.sc_dev = self;
408 	sc->sc_hdev.sc_intr = ukbd_intr;
409 	sc->sc_hdev.sc_parent = uha->parent;
410 	sc->sc_hdev.sc_report_id = uha->reportid;
411 	sc->sc_flags = 0;
412 
413 	aprint_naive("\n");
414 
415 	if (!pmf_device_register(self, NULL, NULL)) {
416 		aprint_normal("\n");
417 		aprint_error_dev(self, "couldn't establish power handler\n");
418 	}
419 
420 	parseerr = ukbd_parse_desc(sc);
421 	if (parseerr != NULL) {
422 		aprint_normal("\n");
423 		aprint_error_dev(self, "attach failed, %s\n", parseerr);
424 		return;
425 	}
426 
427 	/* Quirks */
428 	qflags = usbd_get_quirks(uha->parent->sc_udev)->uq_flags;
429 	if (qflags & UQ_SPUR_BUT_UP)
430 		sc->sc_flags |= FLAG_DEBOUNCE;
431 	if (qflags & UQ_APPLE_ISO)
432 		sc->sc_flags |= FLAG_APPLE_FIX_ISO;
433 
434 #ifdef GDIUM_KEYBOARD_HACK
435 	if (uha->uiaa->uiaa_vendor == USB_VENDOR_CYPRESS &&
436 	    uha->uiaa->uiaa_product == USB_PRODUCT_CYPRESS_LPRDK)
437 		sc->sc_flags = FLAG_GDIUM_FN;
438 #endif
439 
440 #ifdef DIAGNOSTIC
441 	aprint_normal(": %d modifier keys, %d key codes", sc->sc_nmod,
442 	       sc->sc_nkeycode);
443 	if (sc->sc_flags & FLAG_APPLE_FN)
444 		aprint_normal(", apple fn key");
445 	if (sc->sc_flags & FLAG_APPLE_FIX_ISO)
446 		aprint_normal(", fix apple iso");
447 	if (sc->sc_flags & FLAG_GDIUM_FN)
448 		aprint_normal(", Gdium fn key");
449 #endif
450 	aprint_normal("\n");
451 
452 	/*
453 	 * Remember if we're the console keyboard.
454 	 *
455 	 * XXX This always picks the first keyboard on the
456 	 * first USB bus, but what else can we really do?
457 	 */
458 	if ((sc->sc_console_keyboard = ukbd_is_console) != 0) {
459 		/* Don't let any other keyboard have it. */
460 		ukbd_is_console = 0;
461 	}
462 
463 	if (sc->sc_console_keyboard) {
464 		DPRINTF(("ukbd_attach: console keyboard sc=%p\n", sc));
465 		wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata);
466 		ukbd_enable(sc, 1);
467 	}
468 
469 	a.console = sc->sc_console_keyboard;
470 
471 	a.keymap = &ukbd_keymapdata;
472 
473 	a.accessops = &ukbd_accessops;
474 	a.accesscookie = sc;
475 
476 #ifdef UKBD_REPEAT
477 	callout_init(&sc->sc_rawrepeat_ch, 0);
478 #endif
479 
480 	callout_init(&sc->sc_delay, 0);
481 
482 	usb_init_task(&sc->sc_ledtask, ukbd_set_leds_task, sc, 0);
483 
484 	/* Flash the leds; no real purpose, just shows we're alive. */
485 	ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS
486 			| WSKBD_LED_COMPOSE);
487 	usbd_delay_ms(uha->parent->sc_udev, 400);
488 	ukbd_set_leds(sc, 0);
489 
490 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
491 
492 	return;
493 }
494 
495 int
496 ukbd_enable(void *v, int on)
497 {
498 	struct ukbd_softc *sc = v;
499 
500 	if (on && sc->sc_dying)
501 		return EIO;
502 
503 	/* Should only be called to change state */
504 	if ((sc->sc_flags & FLAG_ENABLED) != 0 && on != 0) {
505 #ifdef DIAGNOSTIC
506 		printf("ukbd_enable: %s: bad call on=%d\n",
507 		       device_xname(sc->sc_hdev.sc_dev), on);
508 #endif
509 		return EBUSY;
510 	}
511 
512 	DPRINTF(("ukbd_enable: sc=%p on=%d\n", sc, on));
513 	if (on) {
514 		sc->sc_flags |= FLAG_ENABLED;
515 		return uhidev_open(&sc->sc_hdev);
516 	} else {
517 		sc->sc_flags &= ~FLAG_ENABLED;
518 		uhidev_close(&sc->sc_hdev);
519 		return 0;
520 	}
521 }
522 
523 
524 static void
525 ukbd_childdet(device_t self, device_t child)
526 {
527 	struct ukbd_softc *sc = device_private(self);
528 
529 	KASSERT(sc->sc_wskbddev == child);
530 	sc->sc_wskbddev = NULL;
531 }
532 
533 int
534 ukbd_activate(device_t self, enum devact act)
535 {
536 	struct ukbd_softc *sc = device_private(self);
537 
538 	switch (act) {
539 	case DVACT_DEACTIVATE:
540 		sc->sc_dying = 1;
541 		return 0;
542 	default:
543 		return EOPNOTSUPP;
544 	}
545 }
546 
547 int
548 ukbd_detach(device_t self, int flags)
549 {
550 	struct ukbd_softc *sc = device_private(self);
551 	int rv = 0;
552 
553 	DPRINTF(("ukbd_detach: sc=%p flags=%d\n", sc, flags));
554 
555 	pmf_device_deregister(self);
556 
557 	if (sc->sc_console_keyboard) {
558 #if 0
559 		/*
560 		 * XXX Should probably disconnect our consops,
561 		 * XXX and either notify some other keyboard that
562 		 * XXX it can now be the console, or if there aren't
563 		 * XXX any more USB keyboards, set ukbd_is_console
564 		 * XXX back to 1 so that the next USB keyboard attached
565 		 * XXX to the system will get it.
566 		 */
567 		panic("ukbd_detach: console keyboard");
568 #else
569 		/*
570 		 * Disconnect our consops and set ukbd_is_console
571 		 * back to 1 so that the next USB keyboard attached
572 		 * to the system will get it.
573 		 * XXX Should notify some other keyboard that it can be
574 		 * XXX console, if there are any other keyboards.
575 		 */
576 		printf("%s: was console keyboard\n",
577 		       device_xname(sc->sc_hdev.sc_dev));
578 		wskbd_cndetach();
579 		ukbd_is_console = 1;
580 #endif
581 	}
582 	/* No need to do reference counting of ukbd, wskbd has all the goo. */
583 	if (sc->sc_wskbddev != NULL)
584 		rv = config_detach(sc->sc_wskbddev, flags);
585 
586 	/* The console keyboard does not get a disable call, so check pipe. */
587 	if (sc->sc_hdev.sc_state & UHIDEV_OPEN)
588 		uhidev_close(&sc->sc_hdev);
589 
590 	return rv;
591 }
592 
593 static void
594 ukbd_translate_keycodes(struct ukbd_softc *sc, struct ukbd_data *ud,
595     const struct ukbd_keycodetrans *tab)
596 {
597 	const struct ukbd_keycodetrans *tp;
598 	int i;
599 	uint8_t key;
600 
601 	for (i = 0; i < sc->sc_nkeycode; i++) {
602 		key = ud->keycode[i];
603 		if (key)
604 			for (tp = tab; tp->from; tp++)
605 				if (tp->from == key) {
606 					if (tp->to & IS_PMF) {
607 						pmf_event_inject(
608 						    sc->sc_hdev.sc_dev,
609 						    tp->to & 0xff);
610 						ud->keycode[i] = 0;
611 					} else
612 						ud->keycode[i] = tp->to;
613 					break;
614 				}
615 	}
616 }
617 
618 static uint16_t
619 ukbd_translate_modifier(struct ukbd_softc *sc, uint16_t key)
620 {
621 	if ((sc->sc_flags & FLAG_APPLE_FN) && (key & CODEMASK) == 0x00e2) {
622 		if ((key & ~CODEMASK) == PRESS) {
623 			if (sc->sc_flags & FLAG_FN_PRESSED) {
624 				/* pressed FN-Alt, translate to AltGr */
625 				key = 0x00e6 | PRESS;
626 				sc->sc_flags |= FLAG_FN_ALT;
627 			}
628 		} else {
629 			if (sc->sc_flags & FLAG_FN_ALT) {
630 				/* released Alt, which was treated as FN-Alt */
631 				key = 0x00e6 | RELEASE;
632 				sc->sc_flags &= ~FLAG_FN_ALT;
633 			}
634 		}
635 	}
636 	return key;
637 }
638 
639 void
640 ukbd_intr(struct uhidev *addr, void *ibuf, u_int len)
641 {
642 	struct ukbd_softc *sc = (struct ukbd_softc *)addr;
643 	struct ukbd_data *ud = &sc->sc_ndata;
644 	int i;
645 
646 #ifdef UKBD_DEBUG
647 	if (ukbddebug > 5) {
648 		printf("ukbd_intr: data");
649 		for (i = 0; i < len; i++)
650 			printf(" 0x%02x", ((u_char *)ibuf)[i]);
651 		printf("\n");
652 	}
653 #endif
654 
655 	ud->modifiers = 0;
656 	for (i = 0; i < sc->sc_nmod; i++)
657 		if (hid_get_data(ibuf, &sc->sc_modloc[i]))
658 			ud->modifiers |= sc->sc_mods[i].mask;
659 	memcpy(ud->keycode, (char *)ibuf + sc->sc_keycodeloc.pos / 8,
660 	       sc->sc_nkeycode);
661 
662 	if (sc->sc_flags & FLAG_APPLE_FN) {
663 		if (hid_get_data(ibuf, &sc->sc_apple_fn)) {
664 			sc->sc_flags |= FLAG_FN_PRESSED;
665 			ukbd_translate_keycodes(sc, ud, trtab_apple_fn);
666 		}
667 		else
668 			sc->sc_flags &= ~FLAG_FN_PRESSED;
669 	}
670 
671 #ifdef GDIUM_KEYBOARD_HACK
672 	if (sc->sc_flags & FLAG_GDIUM_FN) {
673 		if (sc->sc_flags & FLAG_FN_PRESSED) {
674 			ukbd_translate_keycodes(sc, ud, trtab_gdium_fn);
675 		}
676 	}
677 #endif
678 
679 	ukbd_translate_keycodes(sc, ud, trtab_generic);
680 
681 	if ((sc->sc_flags & FLAG_DEBOUNCE) && !(sc->sc_flags & FLAG_POLLING)) {
682 		/*
683 		 * Some keyboards have a peculiar quirk.  They sometimes
684 		 * generate a key up followed by a key down for the same
685 		 * key after about 10 ms.
686 		 * We avoid this bug by holding off decoding for 20 ms.
687 		 */
688 		sc->sc_data = *ud;
689 		callout_reset(&sc->sc_delay, hz / 50, ukbd_delayed_decode, sc);
690 #ifdef DDB
691 	} else if (sc->sc_console_keyboard && !(sc->sc_flags & FLAG_POLLING)) {
692 		/*
693 		 * For the console keyboard we can't deliver CTL-ALT-ESC
694 		 * from the interrupt routine.  Doing so would start
695 		 * polling from inside the interrupt routine and that
696 		 * loses bigtime.
697 		 */
698 		sc->sc_data = *ud;
699 		callout_reset(&sc->sc_delay, 1, ukbd_delayed_decode, sc);
700 #endif
701 	} else {
702 		ukbd_decode(sc, ud);
703 	}
704 }
705 
706 void
707 ukbd_delayed_decode(void *addr)
708 {
709 	struct ukbd_softc *sc = addr;
710 
711 	ukbd_decode(sc, &sc->sc_data);
712 }
713 
714 void
715 ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud)
716 {
717 	int mod, omod;
718 	uint16_t ibuf[MAXKEYS];	/* chars events */
719 	int s;
720 	int nkeys, i, j;
721 	int key;
722 #define ADDKEY(c) ibuf[nkeys++] = (c)
723 
724 #ifdef UKBD_DEBUG
725 	/*
726 	 * Keep a trace of the last events.  Using printf changes the
727 	 * timing, so this can be useful sometimes.
728 	 */
729 	if (ukbdtrace) {
730 		struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex];
731 		p->unit = device_unit(sc->sc_hdev.sc_dev);
732 		microtime(&p->tv);
733 		p->ud = *ud;
734 		if (++ukbdtraceindex >= UKBDTRACESIZE)
735 			ukbdtraceindex = 0;
736 	}
737 	if (ukbddebug > 5) {
738 		struct timeval tv;
739 		microtime(&tv);
740 		DPRINTF((" at %"PRIu64".%06"PRIu64"  mod=0x%02x key0=0x%02x key1=0x%02x "
741 			 "key2=0x%02x key3=0x%02x\n",
742 			 tv.tv_sec, (uint64_t)tv.tv_usec,
743 			 ud->modifiers, ud->keycode[0], ud->keycode[1],
744 			 ud->keycode[2], ud->keycode[3]));
745 	}
746 #endif
747 
748 	if (ud->keycode[0] == KEY_ERROR) {
749 		DPRINTF(("ukbd_intr: KEY_ERROR\n"));
750 		return;		/* ignore  */
751 	}
752 
753 	if (sc->sc_flags & FLAG_APPLE_FIX_ISO)
754 		ukbd_translate_keycodes(sc, ud, trtab_apple_iso);
755 
756 	nkeys = 0;
757 	mod = ud->modifiers;
758 	omod = sc->sc_odata.modifiers;
759 	if (mod != omod)
760 		for (i = 0; i < sc->sc_nmod; i++)
761 			if (( mod & sc->sc_mods[i].mask) !=
762 			    (omod & sc->sc_mods[i].mask)) {
763 				key = sc->sc_mods[i].key |
764 				    ((mod & sc->sc_mods[i].mask) ?
765 				    PRESS : RELEASE);
766 				ADDKEY(ukbd_translate_modifier(sc, key));
767 			}
768 	if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) {
769 		/* Check for released keys. */
770 		for (i = 0; i < sc->sc_nkeycode; i++) {
771 			key = sc->sc_odata.keycode[i];
772 			if (key == 0)
773 				continue;
774 			for (j = 0; j < sc->sc_nkeycode; j++)
775 				if (key == ud->keycode[j])
776 					goto rfound;
777 			DPRINTFN(3,("ukbd_intr: relse key=0x%02x\n", key));
778 #ifdef GDIUM_KEYBOARD_HACK
779 			if (sc->sc_flags & FLAG_GDIUM_FN) {
780 				if (key == 0x82) {
781 					sc->sc_flags &= ~FLAG_FN_PRESSED;
782 					goto rfound;
783 				}
784 			}
785 #endif
786 			ADDKEY(key | RELEASE);
787 		rfound:
788 			;
789 		}
790 
791 		/* Check for pressed keys. */
792 		for (i = 0; i < sc->sc_nkeycode; i++) {
793 			key = ud->keycode[i];
794 			if (key == 0)
795 				continue;
796 			for (j = 0; j < sc->sc_nkeycode; j++)
797 				if (key == sc->sc_odata.keycode[j])
798 					goto pfound;
799 			DPRINTFN(2,("ukbd_intr: press key=0x%02x\n", key));
800 #ifdef GDIUM_KEYBOARD_HACK
801 			if (sc->sc_flags & FLAG_GDIUM_FN) {
802 				if (key == 0x82) {
803 					sc->sc_flags |= FLAG_FN_PRESSED;
804 					goto pfound;
805 				}
806 			}
807 #endif
808 			ADDKEY(key | PRESS);
809 		pfound:
810 			;
811 		}
812 	}
813 	sc->sc_odata = *ud;
814 
815 	if (nkeys == 0)
816 		return;
817 
818 	if (sc->sc_flags & FLAG_POLLING) {
819 		DPRINTFN(1,("ukbd_intr: pollchar = 0x%03x\n", ibuf[0]));
820 		memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(uint16_t));
821 		sc->sc_npollchar = nkeys;
822 		return;
823 	}
824 #ifdef WSDISPLAY_COMPAT_RAWKBD
825 	if (sc->sc_rawkbd) {
826 		u_char cbuf[MAXKEYS * 2];
827 		int c;
828 #if defined(UKBD_REPEAT)
829 		int npress = 0;
830 #endif
831 
832 		for (i = j = 0; i < nkeys; i++) {
833 			key = ibuf[i];
834 			c = ukbd_trtab[key & CODEMASK];
835 			if (c == NN)
836 				continue;
837 			if (c == 0x7f) {
838 				/* pause key */
839 				cbuf[j++] = 0xe1;
840 				cbuf[j++] = 0x1d;
841 				cbuf[j-1] |= (key & RELEASE) ? 0x80 : 0;
842 				cbuf[j] = 0x45;
843 			} else {
844 				if (c & 0x80)
845 					cbuf[j++] = 0xe0;
846 				cbuf[j] = c & 0x7f;
847 			}
848 			if (key & RELEASE)
849 				cbuf[j] |= 0x80;
850 #if defined(UKBD_REPEAT)
851 			else {
852 				/* remember pressed keys for autorepeat */
853 				if (c & 0x80)
854 					sc->sc_rep[npress++] = 0xe0;
855 				sc->sc_rep[npress++] = c & 0x7f;
856 			}
857 #endif
858 			DPRINTFN(1,("ukbd_intr: raw = %s0x%02x\n",
859 				    c & 0x80 ? "0xe0 " : "",
860 				    cbuf[j]));
861 			j++;
862 		}
863 		s = spltty();
864 		wskbd_rawinput(sc->sc_wskbddev, cbuf, j);
865 		splx(s);
866 #ifdef UKBD_REPEAT
867 		callout_stop(&sc->sc_rawrepeat_ch);
868 		if (npress != 0) {
869 			sc->sc_nrep = npress;
870 			callout_reset(&sc->sc_rawrepeat_ch,
871 			    hz * REP_DELAY1 / 1000, ukbd_rawrepeat, sc);
872 		}
873 #endif
874 		return;
875 	}
876 #endif
877 
878 	s = spltty();
879 	for (i = 0; i < nkeys; i++) {
880 		key = ibuf[i];
881 		wskbd_input(sc->sc_wskbddev,
882 		    key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN,
883 		    key&CODEMASK);
884 	}
885 	splx(s);
886 }
887 
888 void
889 ukbd_set_leds(void *v, int leds)
890 {
891 	struct ukbd_softc *sc = v;
892 	struct usbd_device *udev = sc->sc_hdev.sc_parent->sc_udev;
893 
894 	DPRINTF(("ukbd_set_leds: sc=%p leds=%d, sc_leds=%d\n",
895 		 sc, leds, sc->sc_leds));
896 
897 	if (sc->sc_dying)
898 		return;
899 
900 	if (sc->sc_leds == leds)
901 		return;
902 
903 	sc->sc_leds = leds;
904 	usb_add_task(udev, &sc->sc_ledtask, USB_TASKQ_DRIVER);
905 }
906 
907 void
908 ukbd_set_leds_task(void *v)
909 {
910 	struct ukbd_softc *sc = v;
911 	int leds = sc->sc_leds;
912 	uint8_t res = 0;
913 
914 	/* XXX not really right */
915 	if ((leds & WSKBD_LED_COMPOSE) && sc->sc_compose.size == 1)
916 		res |= 1 << sc->sc_compose.pos;
917 	if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1)
918 		res |= 1 << sc->sc_scroloc.pos;
919 	if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1)
920 		res |= 1 << sc->sc_numloc.pos;
921 	if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1)
922 		res |= 1 << sc->sc_capsloc.pos;
923 
924 	uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT, &res, 1);
925 }
926 
927 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT)
928 void
929 ukbd_rawrepeat(void *v)
930 {
931 	struct ukbd_softc *sc = v;
932 	int s;
933 
934 	s = spltty();
935 	wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep);
936 	splx(s);
937 	callout_reset(&sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000,
938 	    ukbd_rawrepeat, sc);
939 }
940 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) */
941 
942 int
943 ukbd_ioctl(void *v, u_long cmd, void *data, int flag,
944     struct lwp *l)
945 {
946 	struct ukbd_softc *sc = v;
947 
948 	switch (cmd) {
949 	case WSKBDIO_GTYPE:
950 		*(int *)data = WSKBD_TYPE_USB;
951 		return 0;
952 	case WSKBDIO_SETLEDS:
953 		ukbd_set_leds(v, *(int *)data);
954 		return 0;
955 	case WSKBDIO_GETLEDS:
956 		*(int *)data = sc->sc_leds;
957 		return 0;
958 #if defined(WSDISPLAY_COMPAT_RAWKBD)
959 	case WSKBDIO_SETMODE:
960 		DPRINTF(("ukbd_ioctl: set raw = %d\n", *(int *)data));
961 		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
962 #if defined(UKBD_REPEAT)
963 		callout_stop(&sc->sc_rawrepeat_ch);
964 #endif
965 		return 0;
966 #endif
967 	}
968 	return EPASSTHROUGH;
969 }
970 
971 /*
972  * This is a hack to work around some broken ports that don't call
973  * cnpollc() before cngetc().
974  */
975 static int pollenter, warned;
976 
977 /* Console interface. */
978 void
979 ukbd_cngetc(void *v, u_int *type, int *data)
980 {
981 	struct ukbd_softc *sc = v;
982 	int c;
983 	int broken;
984 
985 	if (pollenter == 0) {
986 		if (!warned) {
987 			printf("\n"
988 "This port is broken, it does not call cnpollc() before calling cngetc().\n"
989 "This should be fixed, but it will work anyway (for now).\n");
990 			warned = 1;
991 		}
992 		broken = 1;
993 		ukbd_cnpollc(v, 1);
994 	} else
995 		broken = 0;
996 
997 	DPRINTFN(0,("ukbd_cngetc: enter\n"));
998 	sc->sc_flags |= FLAG_POLLING;
999 	while (sc->sc_npollchar <= 0)
1000 		usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface);
1001 	sc->sc_flags &= ~FLAG_POLLING;
1002 	c = sc->sc_pollchars[0];
1003 	sc->sc_npollchar--;
1004 	memcpy(sc->sc_pollchars, sc->sc_pollchars+1,
1005 	       sc->sc_npollchar * sizeof(uint16_t));
1006 	*type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
1007 	*data = c & CODEMASK;
1008 	DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c));
1009 	if (broken)
1010 		ukbd_cnpollc(v, 0);
1011 }
1012 
1013 void
1014 ukbd_cnpollc(void *v, int on)
1015 {
1016 	struct ukbd_softc *sc = v;
1017 	struct usbd_device *dev;
1018 
1019 	DPRINTFN(2,("ukbd_cnpollc: sc=%p on=%d\n", v, on));
1020 
1021 	usbd_interface2device_handle(sc->sc_hdev.sc_parent->sc_iface, &dev);
1022 	if (on) {
1023 		sc->sc_spl = splusb();
1024 		pollenter++;
1025 	} else {
1026 		splx(sc->sc_spl);
1027 		pollenter--;
1028 	}
1029 	usbd_set_polling(dev, on);
1030 }
1031 
1032 int
1033 ukbd_cnattach(void)
1034 {
1035 
1036 	/*
1037 	 * XXX USB requires too many parts of the kernel to be running
1038 	 * XXX in order to work, so we can't do much for the console
1039 	 * XXX keyboard until autconfiguration has run its course.
1040 	 */
1041 	ukbd_is_console = 1;
1042 	return 0;
1043 }
1044 
1045 const char *
1046 ukbd_parse_desc(struct ukbd_softc *sc)
1047 {
1048 	struct hid_data *d;
1049 	struct hid_item h;
1050 	int size;
1051 	void *desc;
1052 	int imod;
1053 
1054 	uhidev_get_report_desc(sc->sc_hdev.sc_parent, &desc, &size);
1055 	imod = 0;
1056 	sc->sc_nkeycode = 0;
1057 	d = hid_start_parse(desc, size, hid_input);
1058 	while (hid_get_item(d, &h)) {
1059 		/*printf("ukbd: id=%d kind=%d usage=0x%x flags=0x%x pos=%d size=%d cnt=%d\n",
1060 		  h.report_ID, h.kind, h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count);*/
1061 
1062 		/* Check for special Apple notebook FN key */
1063 		if (HID_GET_USAGE_PAGE(h.usage) == 0x00ff &&
1064 		    HID_GET_USAGE(h.usage) == 0x0003 &&
1065 		    h.kind == hid_input && (h.flags & HIO_VARIABLE)) {
1066 			sc->sc_flags |= FLAG_APPLE_FN;
1067 			sc->sc_apple_fn = h.loc;
1068 		}
1069 
1070 		if (h.kind != hid_input || (h.flags & HIO_CONST) ||
1071 		    HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD ||
1072 		    h.report_ID != sc->sc_hdev.sc_report_id)
1073 			continue;
1074 		DPRINTF(("ukbd: imod=%d usage=0x%x flags=0x%x pos=%d size=%d "
1075 			 "cnt=%d\n", imod,
1076 			 h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count));
1077 		if (h.flags & HIO_VARIABLE) {
1078 			if (h.loc.size != 1)
1079 				return "bad modifier size";
1080 			/* Single item */
1081 			if (imod < MAXMOD) {
1082 				sc->sc_modloc[imod] = h.loc;
1083 				sc->sc_mods[imod].mask = 1 << imod;
1084 				sc->sc_mods[imod].key = HID_GET_USAGE(h.usage);
1085 				imod++;
1086 			} else
1087 				return "too many modifier keys";
1088 		} else {
1089 			/* Array */
1090 			if (h.loc.size != 8)
1091 				return "key code size != 8";
1092 			if (h.loc.count > MAXKEYCODE)
1093 				h.loc.count = MAXKEYCODE;
1094 			if (h.loc.pos % 8 != 0)
1095 				return "key codes not on byte boundary";
1096 			if (sc->sc_nkeycode != 0)
1097 				return "multiple key code arrays";
1098 			sc->sc_keycodeloc = h.loc;
1099 			sc->sc_nkeycode = h.loc.count;
1100 		}
1101 	}
1102 	sc->sc_nmod = imod;
1103 	hid_end_parse(d);
1104 
1105 	hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK),
1106 		   sc->sc_hdev.sc_report_id, hid_output, &sc->sc_numloc, NULL);
1107 	hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK),
1108 		   sc->sc_hdev.sc_report_id, hid_output, &sc->sc_capsloc, NULL);
1109 	hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK),
1110 		   sc->sc_hdev.sc_report_id, hid_output, &sc->sc_scroloc, NULL);
1111 	hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_COMPOSE),
1112 		   sc->sc_hdev.sc_report_id, hid_output, &sc->sc_compose, NULL);
1113 
1114 	return NULL;
1115 }
1116