Annotation of sys/dev/usb/ukbd.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ukbd.c,v 1.36 2007/06/14 10:11:16 mbalmer Exp $ */
2: /* $NetBSD: ukbd.c,v 1.85 2003/03/11 16:44:00 augustss Exp $ */
3:
4: /*
5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Lennart Augustsson (lennart@augustsson.net) at
10: * Carlstedt Research & Technology.
11: *
12: * Redistribution and use in source and binary forms, with or without
13: * modification, are permitted provided that the following conditions
14: * are met:
15: * 1. Redistributions of source code must retain the above copyright
16: * notice, this list of conditions and the following disclaimer.
17: * 2. Redistributions in binary form must reproduce the above copyright
18: * notice, this list of conditions and the following disclaimer in the
19: * documentation and/or other materials provided with the distribution.
20: * 3. All advertising materials mentioning features or use of this software
21: * must display the following acknowledgement:
22: * This product includes software developed by the NetBSD
23: * Foundation, Inc. and its contributors.
24: * 4. Neither the name of The NetBSD Foundation nor the names of its
25: * contributors may be used to endorse or promote products derived
26: * from this software without specific prior written permission.
27: *
28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38: * POSSIBILITY OF SUCH DAMAGE.
39: */
40:
41: /*
42: * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
43: */
44:
45: #include <sys/param.h>
46: #include <sys/systm.h>
47: #include <sys/timeout.h>
48: #include <sys/kernel.h>
49: #include <sys/device.h>
50: #include <sys/ioctl.h>
51: #include <sys/tty.h>
52: #include <sys/file.h>
53: #include <sys/selinfo.h>
54: #include <sys/proc.h>
55: #include <sys/vnode.h>
56: #include <sys/poll.h>
57:
58: #include <dev/usb/usb.h>
59: #include <dev/usb/usbhid.h>
60:
61: #include <dev/usb/usbdi.h>
62: #include <dev/usb/usbdi_util.h>
63: #include <dev/usb/usbdevs.h>
64: #include <dev/usb/usb_quirks.h>
65: #include <dev/usb/uhidev.h>
66: #include <dev/usb/hid.h>
67: #include <dev/usb/ukbdvar.h>
68:
69: #include <dev/wscons/wsconsio.h>
70: #include <dev/wscons/wskbdvar.h>
71: #include <dev/wscons/wsksymdef.h>
72: #include <dev/wscons/wsksymvar.h>
73:
74: #ifdef UKBD_DEBUG
75: #define DPRINTF(x) do { if (ukbddebug) printf x; } while (0)
76: #define DPRINTFN(n,x) do { if (ukbddebug>(n)) printf x; } while (0)
77: int ukbddebug = 0;
78: #else
79: #define DPRINTF(x)
80: #define DPRINTFN(n,x)
81: #endif
82:
83: #define MAXKEYCODE 6
84: #define MAXMOD 8 /* max 32 */
85:
86: struct ukbd_data {
87: u_int32_t modifiers;
88: u_int8_t keycode[MAXKEYCODE];
89: };
90:
91: #define PRESS 0x000
92: #define RELEASE 0x100
93: #define CODEMASK 0x0ff
94:
95: #if defined(WSDISPLAY_COMPAT_RAWKBD)
96: #define NN 0 /* no translation */
97: /*
98: * Translate USB keycodes to US keyboard XT scancodes.
99: * Scancodes >= 0x80 represent EXTENDED keycodes.
100: *
101: * See http://www.microsoft.com/whdc/device/input/Scancode.mspx
102: */
103: const u_int8_t ukbd_trtab[256] = {
104: NN, NN, NN, NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */
105: 0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */
106: 0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */
107: 0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */
108: 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */
109: 0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */
110: 0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */
111: 0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */
112: 0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xaa, 0x46, /* 40 - 47 */
113: 0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */
114: 0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */
115: 0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */
116: 0x48, 0x49, 0x52, 0x53, 0x56, 0xdd, NN, 0x59, /* 60 - 67 */
117: 0x5d, 0x5e, 0x5f, NN, NN, NN, NN, NN, /* 68 - 6f */
118: NN, NN, NN, NN, 0x97, NN, 0x93, 0x95, /* 70 - 77 */
119: 0x91, 0x92, 0x94, 0x9a, 0x96, 0x98, 0x99, NN, /* 78 - 7f */
120: NN, NN, NN, NN, NN, 0x7e, NN, 0x73, /* 80 - 87 */
121: 0x70, 0x7d, 0x79, 0x7b, 0x5c, NN, NN, NN, /* 88 - 8f */
122: NN, NN, 0x78, 0x77, 0x76, NN, NN, NN, /* 90 - 97 */
123: NN, NN, NN, NN, NN, NN, NN, NN, /* 98 - 9f */
124: NN, NN, NN, NN, NN, NN, NN, NN, /* a0 - a7 */
125: NN, NN, NN, NN, NN, NN, NN, NN, /* a8 - af */
126: NN, NN, NN, NN, NN, NN, NN, NN, /* b0 - b7 */
127: NN, NN, NN, NN, NN, NN, NN, NN, /* b8 - bf */
128: NN, NN, NN, NN, NN, NN, NN, NN, /* c0 - c7 */
129: NN, NN, NN, NN, NN, NN, NN, NN, /* c8 - cf */
130: NN, NN, NN, NN, NN, NN, NN, NN, /* d0 - d7 */
131: NN, NN, NN, NN, NN, NN, NN, NN, /* d8 - df */
132: 0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */
133: NN, NN, NN, NN, NN, NN, NN, NN, /* e8 - ef */
134: NN, NN, NN, NN, NN, NN, NN, NN, /* f0 - f7 */
135: NN, NN, NN, NN, NN, NN, NN, NN, /* f8 - ff */
136: };
137: #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */
138:
139: const kbd_t ukbd_countrylayout[HCC_MAX] = {
140: (kbd_t)-1,
141: (kbd_t)-1, /* arabic */
142: KB_BE, /* belgian */
143: (kbd_t)-1, /* canadian bilingual */
144: KB_CF, /* canadian french */
145: (kbd_t)-1, /* czech */
146: KB_DK, /* danish */
147: (kbd_t)-1, /* finnish */
148: KB_FR, /* french */
149: KB_DE, /* german */
150: (kbd_t)-1, /* greek */
151: (kbd_t)-1, /* hebrew */
152: KB_HU, /* hungary */
153: (kbd_t)-1, /* international (iso) */
154: KB_IT, /* italian */
155: KB_JP, /* japanese (katakana) */
156: (kbd_t)-1, /* korean */
157: KB_LA, /* latin american */
158: (kbd_t)-1, /* netherlands/dutch */
159: KB_NO, /* norwegian */
160: (kbd_t)-1, /* persian (farsi) */
161: KB_PL, /* polish */
162: KB_PT, /* portuguese */
163: KB_RU, /* russian */
164: (kbd_t)-1, /* slovakia */
165: KB_ES, /* spanish */
166: KB_SF, /* swiss french */
167: KB_SG, /* swiss german */
168: (kbd_t)-1, /* switzerland */
169: (kbd_t)-1, /* taiwan */
170: KB_TR, /* turkish Q */
171: KB_UK, /* uk */
172: KB_US, /* us */
173: (kbd_t)-1, /* yugoslavia */
174: (kbd_t)-1 /* turkish F */
175: };
176:
177: #define SUN_HCC_MIN 0x21
178: #define SUN_HCC_MAX 0x3f
179: const kbd_t ukbd_sunlayout[1 + SUN_HCC_MAX - SUN_HCC_MIN] = {
180: KB_US, /* 021 USA */
181: KB_US, /* 022 UNIX */
182: KB_FR, /* 023 France */
183: KB_DK, /* 024 Denmark */
184: KB_DE, /* 025 Germany */
185: KB_IT, /* 026 Italy */
186: KB_NL, /* 027 The Netherlands */
187: KB_NO, /* 028 Norway */
188: KB_PT, /* 029 Portugal */
189: KB_ES, /* 02a Spain */
190: KB_SV, /* 02b Sweden */
191: KB_SF, /* 02c Switzerland/French */
192: KB_SG, /* 02d Switzerland/German */
193: KB_UK, /* 02e Great Britain */
194: -1, /* 02f Korea */
195: -1, /* 030 Taiwan */
196: KB_JP, /* 031 Japan */
197: -1, /* 032 Canada/French */
198: -1, /* 033 Hungary */
199: -1, /* 034 Poland */
200: -1, /* 035 Czech */
201: -1, /* 036 Russia */
202: -1, /* 037 Latvia */
203: -1, /* 038 Turkey-Q5 */
204: -1, /* 039 Greece */
205: -1, /* 03a Arabic */
206: -1, /* 03b Lithuania */
207: -1, /* 03c Belgium */
208: -1, /* 03d unaffected */
209: -1, /* 03e Turkey-F5 */
210: -1, /* 03f Canada/French */
211: };
212:
213: #define KEY_ERROR 0x01
214:
215: #define MAXKEYS (MAXMOD+2*MAXKEYCODE)
216:
217: struct ukbd_softc {
218: struct uhidev sc_hdev;
219:
220: struct ukbd_data sc_ndata;
221: struct ukbd_data sc_odata;
222: struct hid_location sc_modloc[MAXMOD];
223: u_int sc_nmod;
224: struct {
225: u_int32_t mask;
226: u_int8_t key;
227: } sc_mods[MAXMOD];
228:
229: struct hid_location sc_keycodeloc;
230: u_int sc_nkeycode;
231:
232: char sc_enabled;
233:
234: int sc_console_keyboard; /* we are the console keyboard */
235:
236: char sc_debounce; /* for quirk handling */
237: struct timeout sc_delay; /* for quirk handling */
238: struct ukbd_data sc_data; /* for quirk handling */
239:
240: struct hid_location sc_numloc;
241: struct hid_location sc_capsloc;
242: struct hid_location sc_scroloc;
243: int sc_leds;
244:
245: struct timeout sc_rawrepeat_ch;
246:
247: struct device *sc_wskbddev;
248: #if defined(WSDISPLAY_COMPAT_RAWKBD)
249: #define REP_DELAY1 400
250: #define REP_DELAYN 100
251: int sc_rawkbd;
252: int sc_nrep;
253: char sc_rep[MAXKEYS];
254: #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */
255:
256: int sc_spl;
257: int sc_polling;
258: int sc_npollchar;
259: u_int16_t sc_pollchars[MAXKEYS];
260:
261: u_char sc_dying;
262: };
263:
264: #ifdef UKBD_DEBUG
265: #define UKBDTRACESIZE 64
266: struct ukbdtraceinfo {
267: int unit;
268: struct timeval tv;
269: struct ukbd_data ud;
270: };
271: struct ukbdtraceinfo ukbdtracedata[UKBDTRACESIZE];
272: int ukbdtraceindex = 0;
273: int ukbdtrace = 0;
274: void ukbdtracedump(void);
275: void
276: ukbdtracedump(void)
277: {
278: int i;
279: for (i = 0; i < UKBDTRACESIZE; i++) {
280: struct ukbdtraceinfo *p =
281: &ukbdtracedata[(i+ukbdtraceindex)%UKBDTRACESIZE];
282: printf("%lu.%06lu: mod=0x%02x key0=0x%02x key1=0x%02x "
283: "key2=0x%02x key3=0x%02x\n",
284: p->tv.tv_sec, p->tv.tv_usec,
285: p->ud.modifiers, p->ud.keycode[0], p->ud.keycode[1],
286: p->ud.keycode[2], p->ud.keycode[3]);
287: }
288: }
289: #endif
290:
291: #define UKBDUNIT(dev) (minor(dev))
292: #define UKBD_CHUNK 128 /* chunk size for read */
293: #define UKBD_BSIZE 1020 /* buffer size */
294:
295: int ukbd_is_console;
296:
297: void ukbd_cngetc(void *, u_int *, int *);
298: void ukbd_cnpollc(void *, int);
299:
300: const struct wskbd_consops ukbd_consops = {
301: ukbd_cngetc,
302: ukbd_cnpollc,
303: };
304:
305: const char *ukbd_parse_desc(struct ukbd_softc *sc);
306:
307: void ukbd_intr(struct uhidev *addr, void *ibuf, u_int len);
308: void ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud);
309: void ukbd_delayed_decode(void *addr);
310:
311: int ukbd_enable(void *, int);
312: void ukbd_set_leds(void *, int);
313:
314: int ukbd_ioctl(void *, u_long, caddr_t, int, struct proc *);
315: #ifdef WSDISPLAY_COMPAT_RAWKBD
316: void ukbd_rawrepeat(void *v);
317: #endif
318:
319: const struct wskbd_accessops ukbd_accessops = {
320: ukbd_enable,
321: ukbd_set_leds,
322: ukbd_ioctl,
323: };
324:
325: extern const struct wscons_keydesc ukbd_keydesctab[];
326:
327: struct wskbd_mapdata ukbd_keymapdata = {
328: ukbd_keydesctab
329: };
330:
331: int ukbd_match(struct device *, void *, void *);
332: void ukbd_attach(struct device *, struct device *, void *);
333: int ukbd_detach(struct device *, int);
334: int ukbd_activate(struct device *, enum devact);
335:
336: struct cfdriver ukbd_cd = {
337: NULL, "ukbd", DV_DULL
338: };
339:
340: const struct cfattach ukbd_ca = {
341: sizeof(struct ukbd_softc),
342: ukbd_match,
343: ukbd_attach,
344: ukbd_detach,
345: ukbd_activate,
346: };
347:
348: int
349: ukbd_match(struct device *parent, void *match, void *aux)
350: {
351: struct usb_attach_arg *uaa = aux;
352: struct uhidev_attach_arg *uha = (struct uhidev_attach_arg *)uaa;
353: int size;
354: void *desc;
355:
356: uhidev_get_report_desc(uha->parent, &desc, &size);
357: if (!hid_is_collection(desc, size, uha->reportid,
358: HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD)))
359: return (UMATCH_NONE);
360:
361: return (UMATCH_IFACECLASS);
362: }
363:
364: void
365: ukbd_attach(struct device *parent, struct device *self, void *aux)
366: {
367: struct ukbd_softc *sc = (struct ukbd_softc *)self;
368: struct usb_attach_arg *uaa = aux;
369: struct uhidev_attach_arg *uha = (struct uhidev_attach_arg *)uaa;
370: usb_hid_descriptor_t *hid;
371: u_int32_t qflags;
372: const char *parseerr;
373: kbd_t layout = (kbd_t)-1;
374: struct wskbddev_attach_args a;
375:
376: sc->sc_hdev.sc_intr = ukbd_intr;
377: sc->sc_hdev.sc_parent = uha->parent;
378: sc->sc_hdev.sc_report_id = uha->reportid;
379:
380: parseerr = ukbd_parse_desc(sc);
381: if (parseerr != NULL) {
382: printf("\n%s: attach failed, %s\n",
383: sc->sc_hdev.sc_dev.dv_xname, parseerr);
384: return;
385: }
386:
387: hid = usbd_get_hid_descriptor(uha->uaa->iface);
388:
389: #ifdef DIAGNOSTIC
390: printf(": %d modifier keys, %d key codes",
391: sc->sc_nmod, sc->sc_nkeycode);
392: #endif
393:
394: qflags = usbd_get_quirks(uha->parent->sc_udev)->uq_flags;
395: sc->sc_debounce = (qflags & UQ_SPUR_BUT_UP) != 0;
396:
397: /*
398: * Remember if we're the console keyboard.
399: *
400: * XXX This always picks the first keyboard on the
401: * first USB bus, but what else can we really do?
402: */
403: if ((sc->sc_console_keyboard = ukbd_is_console) != 0) {
404: /* Don't let any other keyboard have it. */
405: ukbd_is_console = 0;
406: }
407:
408: if (uha->uaa->vendor == USB_VENDOR_SUN &&
409: (uha->uaa->product == USB_PRODUCT_SUN_KEYBOARD6 ||
410: uha->uaa->product == USB_PRODUCT_SUN_KEYBOARD7)) {
411: /* Sun keyboard use Sun-style layout codes */
412: if (hid->bCountryCode >= SUN_HCC_MIN &&
413: hid->bCountryCode <= SUN_HCC_MAX)
414: layout = ukbd_sunlayout[hid->bCountryCode - SUN_HCC_MIN];
415: #ifdef DIAGNOSTIC
416: if (hid->bCountryCode != 0)
417: printf(", layout %d", hid->bCountryCode);
418: #endif
419: } else {
420: if (uha->uaa->vendor == USB_VENDOR_TOPRE &&
421: uha->uaa->product == USB_PRODUCT_TOPRE_HHKB) {
422: /* ignore country code on purpose */
423: } else {
424: if (hid->bCountryCode <= HCC_MAX)
425: layout = ukbd_countrylayout[hid->bCountryCode];
426: #ifdef DIAGNOSTIC
427: if (hid->bCountryCode != 0)
428: printf(", country code %d", hid->bCountryCode);
429: #endif
430: }
431: }
432: if (layout == (kbd_t)-1) {
433: #ifdef UKBD_LAYOUT
434: layout = UKBD_LAYOUT;
435: #else
436: layout = KB_US;
437: #endif
438: }
439: ukbd_keymapdata.layout = layout;
440:
441: printf("\n");
442:
443: if (sc->sc_console_keyboard) {
444: DPRINTF(("ukbd_attach: console keyboard sc=%p\n", sc));
445: wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata);
446: ukbd_enable(sc, 1);
447: }
448:
449: a.console = sc->sc_console_keyboard;
450:
451: a.keymap = &ukbd_keymapdata;
452:
453: a.accessops = &ukbd_accessops;
454: a.accesscookie = sc;
455:
456: timeout_set(&sc->sc_rawrepeat_ch, NULL, NULL);
457: timeout_set(&sc->sc_delay, NULL, NULL);
458:
459: /* Flash the leds; no real purpose, just shows we're alive. */
460: ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS);
461: usbd_delay_ms(uha->parent->sc_udev, 400);
462: ukbd_set_leds(sc, 0);
463:
464: sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
465: }
466:
467: int
468: ukbd_enable(void *v, int on)
469: {
470: struct ukbd_softc *sc = v;
471:
472: if (on && sc->sc_dying)
473: return (EIO);
474:
475: /* Should only be called to change state */
476: if (sc->sc_enabled == on) {
477: DPRINTF(("ukbd_enable: %s: bad call on=%d\n",
478: sc->sc_hdev.sc_dev.dv_xname, on));
479: return (EBUSY);
480: }
481:
482: DPRINTF(("ukbd_enable: sc=%p on=%d\n", sc, on));
483: sc->sc_enabled = on;
484: if (on) {
485: return (uhidev_open(&sc->sc_hdev));
486: } else {
487: uhidev_close(&sc->sc_hdev);
488: return (0);
489: }
490: }
491:
492: int
493: ukbd_activate(struct device *self, enum devact act)
494: {
495: struct ukbd_softc *sc = (struct ukbd_softc *)self;
496: int rv = 0;
497:
498: switch (act) {
499: case DVACT_ACTIVATE:
500: break;
501:
502: case DVACT_DEACTIVATE:
503: if (sc->sc_wskbddev != NULL)
504: rv = config_deactivate(sc->sc_wskbddev);
505: sc->sc_dying = 1;
506: break;
507: }
508: return (rv);
509: }
510:
511: int
512: ukbd_detach(struct device *self, int flags)
513: {
514: struct ukbd_softc *sc = (struct ukbd_softc *)self;
515: int rv = 0;
516:
517: DPRINTF(("ukbd_detach: sc=%p flags=%d\n", sc, flags));
518:
519: if (sc->sc_console_keyboard) {
520: #if 0
521: /*
522: * XXX Should probably disconnect our consops,
523: * XXX and either notify some other keyboard that
524: * XXX it can now be the console, or if there aren't
525: * XXX any more USB keyboards, set ukbd_is_console
526: * XXX back to 1 so that the next USB keyboard attached
527: * XXX to the system will get it.
528: */
529: panic("ukbd_detach: console keyboard");
530: #else
531: /*
532: * Disconnect our consops and set ukbd_is_console
533: * back to 1 so that the next USB keyboard attached
534: * to the system will get it.
535: * XXX Should notify some other keyboard that it can be
536: * XXX console, if there are any other keyboards.
537: */
538: printf("%s: was console keyboard\n",
539: sc->sc_hdev.sc_dev.dv_xname);
540: wskbd_cndetach();
541: ukbd_is_console = 1;
542: #endif
543: }
544: /* No need to do reference counting of ukbd, wskbd has all the goo. */
545: if (sc->sc_wskbddev != NULL)
546: rv = config_detach(sc->sc_wskbddev, flags);
547:
548: /* The console keyboard does not get a disable call, so check pipe. */
549: if (sc->sc_hdev.sc_state & UHIDEV_OPEN)
550: uhidev_close(&sc->sc_hdev);
551:
552: return (rv);
553: }
554:
555: void
556: ukbd_intr(struct uhidev *addr, void *ibuf, u_int len)
557: {
558: struct ukbd_softc *sc = (struct ukbd_softc *)addr;
559: struct ukbd_data *ud = &sc->sc_ndata;
560: int i;
561:
562: #ifdef UKBD_DEBUG
563: if (ukbddebug > 5) {
564: printf("ukbd_intr: data");
565: for (i = 0; i < len; i++)
566: printf(" 0x%02x", ((u_char *)ibuf)[i]);
567: printf("\n");
568: }
569: #endif
570:
571: ud->modifiers = 0;
572: for (i = 0; i < sc->sc_nmod; i++)
573: if (hid_get_data(ibuf, &sc->sc_modloc[i]))
574: ud->modifiers |= sc->sc_mods[i].mask;
575: memcpy(ud->keycode, (char *)ibuf + sc->sc_keycodeloc.pos / 8,
576: sc->sc_nkeycode);
577:
578: if (sc->sc_debounce && !sc->sc_polling) {
579: /*
580: * Some keyboards have a peculiar quirk. They sometimes
581: * generate a key up followed by a key down for the same
582: * key after about 10 ms.
583: * We avoid this bug by holding off decoding for 20 ms.
584: */
585: sc->sc_data = *ud;
586: timeout_del(&sc->sc_delay);
587: timeout_set(&sc->sc_delay, ukbd_delayed_decode, sc);
588: timeout_add(&sc->sc_delay, hz / 50);
589: #ifdef DDB
590: } else if (sc->sc_console_keyboard && !sc->sc_polling) {
591: /*
592: * For the console keyboard we can't deliver CTL-ALT-ESC
593: * from the interrupt routine. Doing so would start
594: * polling from inside the interrupt routine and that
595: * loses bigtime.
596: */
597: sc->sc_data = *ud;
598: timeout_del(&sc->sc_delay);
599: timeout_set(&sc->sc_delay, ukbd_delayed_decode, sc);
600: timeout_add(&sc->sc_delay, 1);
601: #endif
602: } else {
603: ukbd_decode(sc, ud);
604: }
605: }
606:
607: void
608: ukbd_delayed_decode(void *addr)
609: {
610: struct ukbd_softc *sc = addr;
611:
612: ukbd_decode(sc, &sc->sc_data);
613: }
614:
615: void
616: ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud)
617: {
618: int mod, omod;
619: u_int16_t ibuf[MAXKEYS]; /* chars events */
620: int s;
621: int nkeys, i, j;
622: int key;
623: #define ADDKEY(c) ibuf[nkeys++] = (c)
624:
625: #ifdef UKBD_DEBUG
626: /*
627: * Keep a trace of the last events. Using printf changes the
628: * timing, so this can be useful sometimes.
629: */
630: if (ukbdtrace) {
631: struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex];
632: p->unit = sc->sc_hdev.sc_dev.dv_unit;
633: microtime(&p->tv);
634: p->ud = *ud;
635: if (++ukbdtraceindex >= UKBDTRACESIZE)
636: ukbdtraceindex = 0;
637: }
638: if (ukbddebug > 5) {
639: struct timeval tv;
640: microtime(&tv);
641: DPRINTF((" at %lu.%06lu mod=0x%02x key0=0x%02x key1=0x%02x "
642: "key2=0x%02x key3=0x%02x\n",
643: tv.tv_sec, tv.tv_usec,
644: ud->modifiers, ud->keycode[0], ud->keycode[1],
645: ud->keycode[2], ud->keycode[3]));
646: }
647: #endif
648:
649: if (ud->keycode[0] == KEY_ERROR) {
650: DPRINTF(("ukbd_intr: KEY_ERROR\n"));
651: return; /* ignore */
652: }
653: nkeys = 0;
654: mod = ud->modifiers;
655: omod = sc->sc_odata.modifiers;
656: if (mod != omod)
657: for (i = 0; i < sc->sc_nmod; i++)
658: if (( mod & sc->sc_mods[i].mask) !=
659: (omod & sc->sc_mods[i].mask))
660: ADDKEY(sc->sc_mods[i].key |
661: (mod & sc->sc_mods[i].mask
662: ? PRESS : RELEASE));
663: if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) {
664: /* Check for released keys. */
665: for (i = 0; i < sc->sc_nkeycode; i++) {
666: key = sc->sc_odata.keycode[i];
667: if (key == 0)
668: continue;
669: for (j = 0; j < sc->sc_nkeycode; j++)
670: if (key == ud->keycode[j])
671: goto rfound;
672: DPRINTFN(3,("ukbd_intr: relse key=0x%02x\n", key));
673: ADDKEY(key | RELEASE);
674: rfound:
675: ;
676: }
677:
678: /* Check for pressed keys. */
679: for (i = 0; i < sc->sc_nkeycode; i++) {
680: key = ud->keycode[i];
681: if (key == 0)
682: continue;
683: for (j = 0; j < sc->sc_nkeycode; j++)
684: if (key == sc->sc_odata.keycode[j])
685: goto pfound;
686: DPRINTFN(2,("ukbd_intr: press key=0x%02x\n", key));
687: ADDKEY(key | PRESS);
688: pfound:
689: ;
690: }
691: }
692: sc->sc_odata = *ud;
693:
694: if (nkeys == 0)
695: return;
696:
697: if (sc->sc_polling) {
698: DPRINTFN(1,("ukbd_intr: pollchar = 0x%03x\n", ibuf[0]));
699: memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t));
700: sc->sc_npollchar = nkeys;
701: return;
702: }
703: #ifdef WSDISPLAY_COMPAT_RAWKBD
704: if (sc->sc_rawkbd) {
705: u_char cbuf[MAXKEYS * 2];
706: int c;
707: int npress;
708:
709: for (npress = i = j = 0; i < nkeys; i++) {
710: key = ibuf[i];
711: c = ukbd_trtab[key & CODEMASK];
712: if (c == NN)
713: continue;
714: if (c & 0x80)
715: cbuf[j++] = 0xe0;
716: cbuf[j] = c & 0x7f;
717: if (key & RELEASE)
718: cbuf[j] |= 0x80;
719: else {
720: /* remember pressed keys for autorepeat */
721: if (c & 0x80)
722: sc->sc_rep[npress++] = 0xe0;
723: sc->sc_rep[npress++] = c & 0x7f;
724: }
725: DPRINTFN(1,("ukbd_intr: raw = %s0x%02x\n",
726: c & 0x80 ? "0xe0 " : "",
727: cbuf[j]));
728: j++;
729: }
730: s = spltty();
731: wskbd_rawinput(sc->sc_wskbddev, cbuf, j);
732: splx(s);
733: timeout_del(&sc->sc_rawrepeat_ch);
734: if (npress != 0) {
735: sc->sc_nrep = npress;
736: timeout_del(&sc->sc_rawrepeat_ch);
737: timeout_set(&sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc);
738: timeout_add(&sc->sc_rawrepeat_ch,
739: hz * REP_DELAY1 / 1000);
740: }
741: return;
742: }
743: #endif
744:
745: s = spltty();
746: for (i = 0; i < nkeys; i++) {
747: key = ibuf[i];
748: wskbd_input(sc->sc_wskbddev,
749: key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN,
750: key&CODEMASK);
751: }
752: splx(s);
753: }
754:
755: void
756: ukbd_set_leds(void *v, int leds)
757: {
758: struct ukbd_softc *sc = v;
759: u_int8_t res;
760:
761: DPRINTF(("ukbd_set_leds: sc=%p leds=%d, sc_leds=%d\n",
762: sc, leds, sc->sc_leds));
763:
764: if (sc->sc_dying)
765: return;
766:
767: if (sc->sc_leds == leds)
768: return;
769: sc->sc_leds = leds;
770: res = 0;
771: /* XXX not really right */
772: if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1)
773: res |= 1 << sc->sc_scroloc.pos;
774: if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1)
775: res |= 1 << sc->sc_numloc.pos;
776: if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1)
777: res |= 1 << sc->sc_capsloc.pos;
778: uhidev_set_report_async(&sc->sc_hdev, UHID_OUTPUT_REPORT, &res, 1);
779: }
780:
781: #ifdef WSDISPLAY_COMPAT_RAWKBD
782: void
783: ukbd_rawrepeat(void *v)
784: {
785: struct ukbd_softc *sc = v;
786: int s;
787:
788: s = spltty();
789: wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep);
790: splx(s);
791: timeout_del(&sc->sc_rawrepeat_ch);
792: timeout_set(&sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc);
793: timeout_add(&sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000);
794: }
795: #endif
796:
797: int
798: ukbd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
799: {
800: struct ukbd_softc *sc = v;
801:
802: switch (cmd) {
803: case WSKBDIO_GTYPE:
804: *(int *)data = WSKBD_TYPE_USB;
805: return (0);
806: case WSKBDIO_SETLEDS:
807: ukbd_set_leds(v, *(int *)data);
808: return (0);
809: case WSKBDIO_GETLEDS:
810: *(int *)data = sc->sc_leds;
811: return (0);
812: #ifdef WSDISPLAY_COMPAT_RAWKBD
813: case WSKBDIO_SETMODE:
814: DPRINTF(("ukbd_ioctl: set raw = %d\n", *(int *)data));
815: sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
816: timeout_del(&sc->sc_rawrepeat_ch);
817: return (0);
818: #endif
819: }
820: return (-1);
821: }
822:
823: /*
824: * This is a hack to work around some broken ports that don't call
825: * cnpollc() before cngetc().
826: */
827: static int pollenter, warned;
828:
829: /* Console interface. */
830: void
831: ukbd_cngetc(void *v, u_int *type, int *data)
832: {
833: struct ukbd_softc *sc = v;
834: int c;
835: int broken;
836:
837: if (pollenter == 0) {
838: if (!warned) {
839: printf("\n"
840: "This port is broken, it does not call cnpollc() before calling cngetc().\n"
841: "This should be fixed, but it will work anyway (for now).\n");
842: warned = 1;
843: }
844: broken = 1;
845: ukbd_cnpollc(v, 1);
846: } else
847: broken = 0;
848:
849: DPRINTFN(0,("ukbd_cngetc: enter\n"));
850: sc->sc_polling = 1;
851: while(sc->sc_npollchar <= 0)
852: usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface);
853: sc->sc_polling = 0;
854: c = sc->sc_pollchars[0];
855: sc->sc_npollchar--;
856: memcpy(sc->sc_pollchars, sc->sc_pollchars+1,
857: sc->sc_npollchar * sizeof(u_int16_t));
858: *type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
859: *data = c & CODEMASK;
860: DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c));
861: if (broken)
862: ukbd_cnpollc(v, 0);
863: }
864:
865: void
866: ukbd_cnpollc(void *v, int on)
867: {
868: struct ukbd_softc *sc = v;
869: usbd_device_handle dev;
870:
871: DPRINTFN(2,("ukbd_cnpollc: sc=%p on=%d\n", v, on));
872:
873: usbd_interface2device_handle(sc->sc_hdev.sc_parent->sc_iface, &dev);
874: if (on) {
875: sc->sc_spl = splusb();
876: pollenter++;
877: } else {
878: splx(sc->sc_spl);
879: pollenter--;
880: }
881: usbd_set_polling(dev, on);
882: }
883:
884: int
885: ukbd_cnattach(void)
886: {
887:
888: /*
889: * XXX USB requires too many parts of the kernel to be running
890: * XXX in order to work, so we can't do much for the console
891: * XXX keyboard until autconfiguration has run its course.
892: */
893: ukbd_is_console = 1;
894: return (0);
895: }
896:
897: const char *
898: ukbd_parse_desc(struct ukbd_softc *sc)
899: {
900: struct hid_data *d;
901: struct hid_item h;
902: int size;
903: void *desc;
904: int imod;
905:
906: uhidev_get_report_desc(sc->sc_hdev.sc_parent, &desc, &size);
907: imod = 0;
908: sc->sc_nkeycode = 0;
909: d = hid_start_parse(desc, size, hid_input);
910: while (hid_get_item(d, &h)) {
911: /*printf("ukbd: id=%d kind=%d usage=0x%x flags=0x%x pos=%d size=%d cnt=%d\n",
912: h.report_ID, h.kind, h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count);*/
913: if (h.kind != hid_input || (h.flags & HIO_CONST) ||
914: HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD ||
915: h.report_ID != sc->sc_hdev.sc_report_id)
916: continue;
917: DPRINTF(("ukbd: imod=%d usage=0x%x flags=0x%x pos=%d size=%d "
918: "cnt=%d\n", imod,
919: h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count));
920: if (h.flags & HIO_VARIABLE) {
921: if (h.loc.size != 1)
922: return ("bad modifier size");
923: /* Single item */
924: if (imod < MAXMOD) {
925: sc->sc_modloc[imod] = h.loc;
926: sc->sc_mods[imod].mask = 1 << imod;
927: sc->sc_mods[imod].key = HID_GET_USAGE(h.usage);
928: imod++;
929: } else
930: return ("too many modifier keys");
931: } else {
932: /* Array */
933: if (h.loc.size != 8)
934: return ("key code size != 8");
935: if (h.loc.count > MAXKEYCODE)
936: return ("too many key codes");
937: if (h.loc.pos % 8 != 0)
938: return ("key codes not on byte boundary");
939: if (sc->sc_nkeycode != 0)
940: return ("multiple key code arrays\n");
941: sc->sc_keycodeloc = h.loc;
942: sc->sc_nkeycode = h.loc.count;
943: }
944: }
945: sc->sc_nmod = imod;
946: hid_end_parse(d);
947:
948: hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK),
949: sc->sc_hdev.sc_report_id, hid_output, &sc->sc_numloc, NULL);
950: hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK),
951: sc->sc_hdev.sc_report_id, hid_output, &sc->sc_capsloc, NULL);
952: hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK),
953: sc->sc_hdev.sc_report_id, hid_output, &sc->sc_scroloc, NULL);
954:
955: return (NULL);
956: }
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to ukbd.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / dev / usb