ukbd.c revision 1.66
1/*      $NetBSD: ukbd.c,v 1.66 2001/04/06 22:54:15 augustss 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 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *        This product includes software developed by the NetBSD
22 *        Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 *    contributors may be used to endorse or promote products derived
25 *    from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40/*
41 * HID spec: http://www.usb.org/developers/data/devclass/hid1_1.pdf
42 */
43
44#include <sys/param.h>
45#include <sys/systm.h>
46#include <sys/callout.h>
47#include <sys/kernel.h>
48#include <sys/device.h>
49#include <sys/ioctl.h>
50#include <sys/tty.h>
51#include <sys/file.h>
52#include <sys/select.h>
53#include <sys/proc.h>
54#include <sys/vnode.h>
55#include <sys/poll.h>
56
57#include <dev/usb/usb.h>
58#include <dev/usb/usbhid.h>
59
60#include <dev/usb/usbdi.h>
61#include <dev/usb/usbdi_util.h>
62#include <dev/usb/usbdevs.h>
63#include <dev/usb/usb_quirks.h>
64#include <dev/usb/hid.h>
65#include <dev/usb/ukbdvar.h>
66
67#include <dev/wscons/wsconsio.h>
68#include <dev/wscons/wskbdvar.h>
69#include <dev/wscons/wsksymdef.h>
70#include <dev/wscons/wsksymvar.h>
71
72#include "opt_wsdisplay_compat.h"
73
74#ifdef UKBD_DEBUG
75#define DPRINTF(x)	if (ukbddebug) logprintf x
76#define DPRINTFN(n,x)	if (ukbddebug>(n)) logprintf x
77int	ukbddebug = 0;
78#else
79#define DPRINTF(x)
80#define DPRINTFN(n,x)
81#endif
82
83#define NKEYCODE 6
84
85#define NUM_LOCK 0x01
86#define CAPS_LOCK 0x02
87#define SCROLL_LOCK 0x04
88
89struct ukbd_data {
90	u_int8_t	modifiers;
91#define MOD_CONTROL_L	0x01
92#define MOD_CONTROL_R	0x10
93#define MOD_SHIFT_L	0x02
94#define MOD_SHIFT_R	0x20
95#define MOD_ALT_L	0x04
96#define MOD_ALT_R	0x40
97#define MOD_WIN_L	0x08
98#define MOD_WIN_R	0x80
99	u_int8_t	reserved;
100	u_int8_t	keycode[NKEYCODE];
101};
102
103#define PRESS    0x000
104#define RELEASE  0x100
105#define CODEMASK 0x0ff
106
107/* Translate USB bitmap to USB keycode. */
108#define NMOD 8
109Static const struct {
110	int mask, key;
111} ukbd_mods[NMOD] = {
112	{ MOD_CONTROL_L, 224 },
113	{ MOD_CONTROL_R, 228 },
114	{ MOD_SHIFT_L,   225 },
115	{ MOD_SHIFT_R,   229 },
116	{ MOD_ALT_L,     226 },
117	{ MOD_ALT_R,     230 },
118	{ MOD_WIN_L,     227 },
119	{ MOD_WIN_R,     231 },
120};
121
122#if defined(__NetBSD__) && defined(WSDISPLAY_COMPAT_RAWKBD)
123#define NN 0			/* no translation */
124/*
125 * Translate USB keycodes to US keyboard XT scancodes.
126 * Scancodes >= 128 represent EXTENDED keycodes.
127 */
128Static const u_int8_t ukbd_trtab[256] = {
129	  NN,  NN,  NN,  NN,  30,  48,  46,  32, /* 00 - 07 */
130	  18,  33,  34,  35,  23,  36,  37,  38, /* 08 - 0F */
131	  50,  49,  24,  25,  16,  19,  31,  20, /* 10 - 17 */
132	  22,  47,  17,  45,  21,  44,   2,   3, /* 18 - 1F */
133	   4,   5,   6,   7,   8,   9,  10,  11, /* 20 - 27 */
134	  28,   1,  14,  15,  57,  12,  13,  26, /* 28 - 2F */
135	  27,  43,  43,  39,  40,  41,  51,  52, /* 30 - 37 */
136	  53,  58,  59,  60,  61,  62,  63,  64, /* 38 - 3F */
137	  65,  66,  67,  68,  87,  88, 170,  70, /* 40 - 47 */
138	 127, 210, 199, 201, 211, 207, 209, 205, /* 48 - 4F */
139	 203, 208, 200,  69, 181,  55,  74,  78, /* 50 - 57 */
140	 156,  79,  80,  81,  75,  76,  77,  71, /* 58 - 5F */
141          72,  73,  82,  83,  86, 221,  NN,  NN, /* 60 - 67 */
142          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 68 - 6F */
143          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 70 - 77 */
144          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 78 - 7F */
145          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 80 - 87 */
146          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 88 - 8F */
147          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 90 - 97 */
148          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 98 - 9F */
149          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* A0 - A7 */
150          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* A8 - AF */
151          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* B0 - B7 */
152          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* B8 - BF */
153          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* C0 - C7 */
154          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* C8 - CF */
155          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* D0 - D7 */
156          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* D8 - DF */
157          29,  42,  56, 219,  157, 54,  184,220, /* E0 - E7 */
158          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* E8 - EF */
159          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* F0 - F7 */
160          NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* F8 - FF */
161};
162#endif /* defined(__NetBSD__) && defined(WSDISPLAY_COMPAT_RAWKBD) */
163
164#define KEY_ERROR 0x01
165
166#define MAXKEYS (NMOD+2*NKEYCODE)
167
168struct ukbd_softc {
169	USBBASEDEVICE	sc_dev;		/* base device */
170	usbd_device_handle sc_udev;
171	usbd_interface_handle sc_iface;	/* interface */
172	usbd_pipe_handle sc_intrpipe;	/* interrupt pipe */
173	int sc_ep_addr;
174
175	struct ukbd_data sc_ndata;
176	struct ukbd_data sc_odata;
177
178	char sc_enabled;
179
180	int sc_console_keyboard;	/* we are the console keyboard */
181
182	char sc_debounce;		/* for quirk handling */
183	struct callout sc_delay;	/* for quirk handling */
184	struct ukbd_data sc_data;	/* for quirk handling */
185
186	int sc_leds;
187#if defined(__NetBSD__)
188	struct callout sc_rawrepeat_ch;
189
190	struct device *sc_wskbddev;
191#if defined(WSDISPLAY_COMPAT_RAWKBD)
192#define REP_DELAY1 400
193#define REP_DELAYN 100
194	int sc_rawkbd;
195	int sc_nrep;
196	char sc_rep[MAXKEYS];
197#endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */
198
199	int sc_polling;
200	int sc_npollchar;
201	u_int16_t sc_pollchars[MAXKEYS];
202#endif /* defined(__NetBSD__) */
203
204	u_char sc_dying;
205};
206
207#ifdef UKBD_DEBUG
208#define UKBDTRACESIZE 64
209struct ukbdtraceinfo {
210	int unit;
211	struct timeval tv;
212	struct ukbd_data ud;
213};
214struct ukbdtraceinfo ukbdtracedata[UKBDTRACESIZE];
215int ukbdtraceindex = 0;
216int ukbdtrace = 0;
217void ukbdtracedump(void);
218void
219ukbdtracedump(void)
220{
221	int i;
222	for (i = 0; i < UKBDTRACESIZE; i++) {
223		struct ukbdtraceinfo *p =
224		    &ukbdtracedata[(i+ukbdtraceindex)%UKBDTRACESIZE];
225		printf("%lu.%06lu: mod=0x%02x key0=0x%02x key1=0x%02x "
226		       "key2=0x%02x key3=0x%02x\n",
227		       p->tv.tv_sec, p->tv.tv_usec,
228		       p->ud.modifiers, p->ud.keycode[0], p->ud.keycode[1],
229		       p->ud.keycode[2], p->ud.keycode[3]);
230	}
231}
232#endif
233
234#define	UKBDUNIT(dev)	(minor(dev))
235#define	UKBD_CHUNK	128	/* chunk size for read */
236#define	UKBD_BSIZE	1020	/* buffer size */
237
238Static int	ukbd_is_console;
239
240Static void	ukbd_cngetc(void *, u_int *, int *);
241Static void	ukbd_cnpollc(void *, int);
242
243#if defined(__NetBSD__)
244const struct wskbd_consops ukbd_consops = {
245	ukbd_cngetc,
246	ukbd_cnpollc,
247};
248#endif
249
250Static void	ukbd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
251Static void	ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud);
252Static void	ukbd_delayed_decode(void *addr);
253
254Static int	ukbd_enable(void *, int);
255Static void	ukbd_set_leds(void *, int);
256
257#if defined(__NetBSD__)
258Static int	ukbd_ioctl(void *, u_long, caddr_t, int, struct proc *);
259#ifdef WSDISPLAY_COMPAT_RAWKBD
260Static void	ukbd_rawrepeat(void *v);
261#endif
262
263const struct wskbd_accessops ukbd_accessops = {
264	ukbd_enable,
265	ukbd_set_leds,
266	ukbd_ioctl,
267};
268
269extern const struct wscons_keydesc ukbd_keydesctab[];
270
271const struct wskbd_mapdata ukbd_keymapdata = {
272	ukbd_keydesctab,
273#ifdef UKBD_LAYOUT
274	UKBD_LAYOUT,
275#else
276	KB_US,
277#endif
278};
279#endif
280
281USB_DECLARE_DRIVER(ukbd);
282
283USB_MATCH(ukbd)
284{
285	USB_MATCH_START(ukbd, uaa);
286	usb_interface_descriptor_t *id;
287
288	/* Check that this is a keyboard that speaks the boot protocol. */
289	if (uaa->iface == NULL)
290		return (UMATCH_NONE);
291	id = usbd_get_interface_descriptor(uaa->iface);
292	if (id == NULL ||
293	    id->bInterfaceClass != UICLASS_HID ||
294	    id->bInterfaceSubClass != UISUBCLASS_BOOT ||
295	    id->bInterfaceProtocol != UIPROTO_BOOT_KEYBOARD)
296		return (UMATCH_NONE);
297	return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
298}
299
300USB_ATTACH(ukbd)
301{
302	USB_ATTACH_START(ukbd, sc, uaa);
303	usbd_interface_handle iface = uaa->iface;
304	usb_interface_descriptor_t *id;
305	usb_endpoint_descriptor_t *ed;
306	usbd_status err;
307	u_int32_t qflags;
308	char devinfo[1024];
309#if defined(__NetBSD__)
310	struct wskbddev_attach_args a;
311#else
312	int i;
313#endif
314
315	sc->sc_udev = uaa->device;
316	sc->sc_iface = iface;
317	id = usbd_get_interface_descriptor(iface);
318	usbd_devinfo(uaa->device, 0, devinfo);
319	USB_ATTACH_SETUP;
320	printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
321	       devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
322
323	ed = usbd_interface2endpoint_descriptor(iface, 0);
324	if (ed == NULL) {
325		printf("%s: could not read endpoint descriptor\n",
326		       USBDEVNAME(sc->sc_dev));
327		USB_ATTACH_ERROR_RETURN;
328	}
329
330	DPRINTFN(10,("ukbd_attach: bLength=%d bDescriptorType=%d "
331		     "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d"
332		     " bInterval=%d\n",
333		     ed->bLength, ed->bDescriptorType,
334		     ed->bEndpointAddress & UE_ADDR,
335		     UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out",
336		     ed->bmAttributes & UE_XFERTYPE,
337		     UGETW(ed->wMaxPacketSize), ed->bInterval));
338
339	if (UE_GET_DIR(ed->bEndpointAddress) != UE_DIR_IN ||
340	    (ed->bmAttributes & UE_XFERTYPE) != UE_INTERRUPT) {
341		printf("%s: unexpected endpoint\n",
342		       USBDEVNAME(sc->sc_dev));
343		USB_ATTACH_ERROR_RETURN;
344	}
345
346	qflags = usbd_get_quirks(uaa->device)->uq_flags;
347	if ((qflags & UQ_NO_SET_PROTO) == 0) {
348		err = usbd_set_protocol(iface, 0);
349		DPRINTFN(5, ("ukbd_attach: protocol set\n"));
350		if (err) {
351			printf("%s: set protocol failed\n",
352			    USBDEVNAME(sc->sc_dev));
353			USB_ATTACH_ERROR_RETURN;
354		}
355	}
356	sc->sc_debounce = (qflags & UQ_SPUR_BUT_UP) != 0;
357
358	/* Ignore if SETIDLE fails since it is not crucial. */
359	(void)usbd_set_idle(iface, 0, 0);
360
361	sc->sc_ep_addr = ed->bEndpointAddress;
362
363	/*
364	 * Remember if we're the console keyboard.
365	 *
366	 * XXX This always picks the first keyboard on the
367	 * first USB bus, but what else can we really do?
368	 */
369	if ((sc->sc_console_keyboard = ukbd_is_console) != 0) {
370		/* Don't let any other keyboard have it. */
371		ukbd_is_console = 0;
372	}
373
374	if (sc->sc_console_keyboard) {
375		DPRINTF(("ukbd_attach: console keyboard sc=%p\n", sc));
376		wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata);
377		ukbd_enable(sc, 1);
378	}
379
380	a.console = sc->sc_console_keyboard;
381
382	a.keymap = &ukbd_keymapdata;
383
384	a.accessops = &ukbd_accessops;
385	a.accesscookie = sc;
386
387	callout_init(&sc->sc_rawrepeat_ch);
388
389	callout_init(&sc->sc_delay);
390
391	/* Flash the leds; no real purpose, just shows we're alive. */
392	ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS);
393	usbd_delay_ms(uaa->device, 400);
394	ukbd_set_leds(sc, 0);
395
396	usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
397			   USBDEV(sc->sc_dev));
398
399	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
400
401	USB_ATTACH_SUCCESS_RETURN;
402}
403
404int
405ukbd_enable(void *v, int on)
406{
407	struct ukbd_softc *sc = v;
408	usbd_status err;
409
410	if (on && sc->sc_dying)
411		return (EIO);
412
413	/* Should only be called to change state */
414	if (sc->sc_enabled == on) {
415#ifdef DIAGNOSTIC
416		printf("ukbd_enable: %s: bad call on=%d\n",
417		       USBDEVNAME(sc->sc_dev), on);
418#endif
419		return (EBUSY);
420	}
421
422	DPRINTF(("ukbd_enable: sc=%p on=%d\n", sc, on));
423	if (on) {
424		/* Set up interrupt pipe. */
425		err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_ep_addr,
426			  USBD_SHORT_XFER_OK, &sc->sc_intrpipe, sc,
427			  &sc->sc_ndata, sizeof(sc->sc_ndata), ukbd_intr,
428			  USBD_DEFAULT_INTERVAL);
429		if (err)
430			return (EIO);
431	} else {
432		/* Disable interrupts. */
433		usbd_abort_pipe(sc->sc_intrpipe);
434		usbd_close_pipe(sc->sc_intrpipe);
435	}
436	sc->sc_enabled = on;
437
438	return (0);
439}
440
441int
442ukbd_activate(device_ptr_t self, enum devact act)
443{
444	struct ukbd_softc *sc = (struct ukbd_softc *)self;
445	int rv = 0;
446
447	switch (act) {
448	case DVACT_ACTIVATE:
449		return (EOPNOTSUPP);
450		break;
451
452	case DVACT_DEACTIVATE:
453		if (sc->sc_wskbddev != NULL)
454			rv = config_deactivate(sc->sc_wskbddev);
455		sc->sc_dying = 1;
456		break;
457	}
458	return (rv);
459}
460
461USB_DETACH(ukbd)
462{
463	USB_DETACH_START(ukbd, sc);
464	int rv = 0;
465
466	DPRINTF(("ukbd_detach: sc=%p flags=%d\n", sc, flags));
467
468	if (sc->sc_console_keyboard) {
469#if 0
470		/*
471		 * XXX Should probably disconnect our consops,
472		 * XXX and either notify some other keyboard that
473		 * XXX it can now be the console, or if there aren't
474		 * XXX any more USB keyboards, set ukbd_is_console
475		 * XXX back to 1 so that the next USB keyboard attached
476		 * XXX to the system will get it.
477		 */
478		panic("ukbd_detach: console keyboard");
479#else
480		/*
481		 * Disconnect our consops and set ukbd_is_console
482		 * back to 1 so that the next USB keyboard attached
483		 * to the system will get it.
484		 * XXX Should notify some other keyboard that it can be
485		 * XXX console, if there are any other keyboards.
486		 */
487		printf("%s: was console keyboard\n", USBDEVNAME(sc->sc_dev));
488		wskbd_cndetach();
489		ukbd_is_console = 1;
490#endif
491	}
492	/* No need to do reference counting of ukbd, wskbd has all the goo. */
493	if (sc->sc_wskbddev != NULL)
494		rv = config_detach(sc->sc_wskbddev, flags);
495
496	usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
497			   USBDEV(sc->sc_dev));
498
499	return (rv);
500}
501
502void
503ukbd_intr(xfer, addr, status)
504	usbd_xfer_handle xfer;
505	usbd_private_handle addr;
506	usbd_status status;
507{
508	struct ukbd_softc *sc = addr;
509	struct ukbd_data *ud = &sc->sc_ndata;
510
511	DPRINTFN(5, ("ukbd_intr: status=%d\n", status));
512	if (status == USBD_CANCELLED)
513		return;
514
515	if (status) {
516		DPRINTF(("ukbd_intr: status=%d\n", status));
517		usbd_clear_endpoint_stall_async(sc->sc_intrpipe);
518		return;
519	}
520
521	if (sc->sc_debounce) {
522		/*
523		 * Some keyboards have a peculiar quirk.  They sometimes
524		 * generate a key up followed by a key down for the same
525		 * key after about 10 ms.
526		 * We avoid this bug by holding off decoding for 20 ms.
527		 */
528		sc->sc_data = *ud;
529		callout_reset(&sc->sc_delay, hz / 50, ukbd_delayed_decode, sc);
530	} else {
531		ukbd_decode(sc, ud);
532	}
533}
534
535void
536ukbd_delayed_decode(void *addr)
537{
538	struct ukbd_softc *sc = addr;
539
540	ukbd_decode(sc, &sc->sc_data);
541}
542
543void
544ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud)
545{
546	int mod, omod;
547	u_int16_t ibuf[MAXKEYS];	/* chars events */
548	int s;
549	int nkeys, i, j;
550	int key;
551#define ADDKEY(c) ibuf[nkeys++] = (c)
552
553#ifdef UKBD_DEBUG
554	/*
555	 * Keep a trace of the last events.  Using printf changes the
556	 * timing, so this can be useful sometimes.
557	 */
558	if (ukbdtrace) {
559		struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex];
560		p->unit = sc->sc_dev.dv_unit;
561		microtime(&p->tv);
562		p->ud = *ud;
563		if (++ukbdtraceindex >= UKBDTRACESIZE)
564			ukbdtraceindex = 0;
565	}
566	if (ukbddebug > 5) {
567		struct timeval tv;
568		microtime(&tv);
569		DPRINTF((" at %lu.%06lu  mod=0x%02x key0=0x%02x key1=0x%02x "
570			 "key2=0x%02x key3=0x%02x\n",
571			 tv.tv_sec, tv.tv_usec,
572			 ud->modifiers, ud->keycode[0], ud->keycode[1],
573			 ud->keycode[2], ud->keycode[3]));
574	}
575#endif
576
577	if (ud->keycode[0] == KEY_ERROR) {
578		DPRINTF(("ukbd_intr: KEY_ERROR\n"));
579		return;		/* ignore  */
580	}
581	nkeys = 0;
582	mod = ud->modifiers;
583	omod = sc->sc_odata.modifiers;
584	if (mod != omod)
585		for (i = 0; i < NMOD; i++)
586			if (( mod & ukbd_mods[i].mask) !=
587			    (omod & ukbd_mods[i].mask))
588				ADDKEY(ukbd_mods[i].key |
589				       (mod & ukbd_mods[i].mask
590					  ? PRESS : RELEASE));
591	if (memcmp(ud->keycode, sc->sc_odata.keycode, NKEYCODE) != 0) {
592		/* Check for released keys. */
593		for (i = 0; i < NKEYCODE; i++) {
594			key = sc->sc_odata.keycode[i];
595			if (key == 0)
596				continue;
597			for (j = 0; j < NKEYCODE; j++)
598				if (key == ud->keycode[j])
599					goto rfound;
600			DPRINTFN(3,("ukbd_intr: relse key=0x%02x\n", key));
601			ADDKEY(key | RELEASE);
602		rfound:
603			;
604		}
605
606		/* Check for pressed keys. */
607		for (i = 0; i < NKEYCODE; i++) {
608			key = ud->keycode[i];
609			if (key == 0)
610				continue;
611			for (j = 0; j < NKEYCODE; j++)
612				if (key == sc->sc_odata.keycode[j])
613					goto pfound;
614			DPRINTFN(2,("ukbd_intr: press key=0x%02x\n", key));
615			ADDKEY(key | PRESS);
616		pfound:
617			;
618		}
619	}
620	sc->sc_odata = *ud;
621
622	if (nkeys == 0)
623		return;
624
625	if (sc->sc_polling) {
626		DPRINTFN(1,("ukbd_intr: pollchar = 0x%03x\n", ibuf[0]));
627		memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t));
628		sc->sc_npollchar = nkeys;
629		return;
630	}
631#ifdef WSDISPLAY_COMPAT_RAWKBD
632	if (sc->sc_rawkbd) {
633		char cbuf[MAXKEYS * 2];
634		int c;
635		int npress;
636
637		for (npress = i = j = 0; i < nkeys; i++) {
638			key = ibuf[i];
639			c = ukbd_trtab[key & CODEMASK];
640			if (c == NN)
641				continue;
642			if (c & 0x80)
643				cbuf[j++] = 0xe0;
644			cbuf[j] = c & 0x7f;
645			if (key & RELEASE)
646				cbuf[j] |= 0x80;
647			else {
648				/* remember pressed keys for autorepeat */
649				if (c & 0x80)
650					sc->sc_rep[npress++] = 0xe0;
651				sc->sc_rep[npress++] = c & 0x7f;
652			}
653			DPRINTFN(1,("ukbd_intr: raw = %s0x%02x\n",
654				    c & 0x80 ? "0xe0 " : "",
655				    cbuf[j]));
656			j++;
657		}
658		s = spltty();
659		wskbd_rawinput(sc->sc_wskbddev, cbuf, j);
660		splx(s);
661		callout_stop(&sc->sc_rawrepeat_ch);
662		if (npress != 0) {
663			sc->sc_nrep = npress;
664			callout_reset(&sc->sc_rawrepeat_ch,
665			    hz * REP_DELAY1 / 1000, ukbd_rawrepeat, sc);
666		}
667		return;
668	}
669#endif
670
671	s = spltty();
672	for (i = 0; i < nkeys; i++) {
673		key = ibuf[i];
674		wskbd_input(sc->sc_wskbddev,
675		    key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN,
676		    key&CODEMASK);
677	}
678	splx(s);
679}
680
681void
682ukbd_set_leds(void *v, int leds)
683{
684	struct ukbd_softc *sc = v;
685	u_int8_t res;
686
687	DPRINTF(("ukbd_set_leds: sc=%p leds=%d\n", sc, leds));
688
689	if (sc->sc_dying)
690		return;
691
692	sc->sc_leds = leds;
693	res = 0;
694	if (leds & WSKBD_LED_SCROLL)
695		res |= SCROLL_LOCK;
696	if (leds & WSKBD_LED_NUM)
697		res |= NUM_LOCK;
698	if (leds & WSKBD_LED_CAPS)
699		res |= CAPS_LOCK;
700	res |= leds & 0xf8;
701	usbd_set_report_async(sc->sc_iface, UHID_OUTPUT_REPORT, 0, &res, 1);
702}
703
704#ifdef WSDISPLAY_COMPAT_RAWKBD
705void
706ukbd_rawrepeat(void *v)
707{
708	struct ukbd_softc *sc = v;
709	int s;
710
711	s = spltty();
712	wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep);
713	splx(s);
714	callout_reset(&sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000,
715	    ukbd_rawrepeat, sc);
716}
717#endif
718
719int
720ukbd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
721{
722	struct ukbd_softc *sc = v;
723
724	switch (cmd) {
725	case WSKBDIO_GTYPE:
726		*(int *)data = WSKBD_TYPE_USB;
727		return (0);
728	case WSKBDIO_SETLEDS:
729		ukbd_set_leds(v, *(int *)data);
730		return (0);
731	case WSKBDIO_GETLEDS:
732		*(int *)data = sc->sc_leds;
733		return (0);
734#ifdef WSDISPLAY_COMPAT_RAWKBD
735	case WSKBDIO_SETMODE:
736		DPRINTF(("ukbd_ioctl: set raw = %d\n", *(int *)data));
737		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
738		callout_stop(&sc->sc_rawrepeat_ch);
739		return (0);
740#endif
741	}
742	return (-1);
743}
744
745/* Console interface. */
746void
747ukbd_cngetc(void *v, u_int *type, int *data)
748{
749	struct ukbd_softc *sc = v;
750	int s;
751	int c;
752
753	DPRINTFN(0,("ukbd_cngetc: enter\n"));
754	s = splusb();
755	sc->sc_polling = 1;
756	while(sc->sc_npollchar <= 0)
757		usbd_dopoll(sc->sc_iface);
758	sc->sc_polling = 0;
759	c = sc->sc_pollchars[0];
760	sc->sc_npollchar--;
761	memcpy(sc->sc_pollchars, sc->sc_pollchars+1,
762	       sc->sc_npollchar * sizeof(u_int16_t));
763	*type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
764	*data = c & CODEMASK;
765	splx(s);
766	DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c));
767}
768
769void
770ukbd_cnpollc(void *v, int on)
771{
772	struct ukbd_softc *sc = v;
773	usbd_device_handle dev;
774
775	DPRINTFN(2,("ukbd_cnpollc: sc=%p on=%d\n", v, on));
776
777	(void)usbd_interface2device_handle(sc->sc_iface,&dev);
778	usbd_set_polling(dev, on);
779}
780
781int
782ukbd_cnattach(void)
783{
784
785	/*
786	 * XXX USB requires too many parts of the kernel to be running
787	 * XXX in order to work, so we can't do much for the console
788	 * XXX keyboard until autconfiguration has run its course.
789	 */
790	ukbd_is_console = 1;
791	return (0);
792}
793