ukbd.c revision 1.3 1 1.3 augustss /* $NetBSD: ukbd.c,v 1.3 1998/07/26 17:42:49 augustss Exp $ */
2 1.1 augustss
3 1.1 augustss /*
4 1.1 augustss * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 1.1 augustss * All rights reserved.
6 1.1 augustss *
7 1.1 augustss * Author: Lennart Augustsson <augustss (at) carlstedt.se>
8 1.1 augustss * Carlstedt Research & Technology
9 1.1 augustss *
10 1.1 augustss * Redistribution and use in source and binary forms, with or without
11 1.1 augustss * modification, are permitted provided that the following conditions
12 1.1 augustss * are met:
13 1.1 augustss * 1. Redistributions of source code must retain the above copyright
14 1.1 augustss * notice, this list of conditions and the following disclaimer.
15 1.1 augustss * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 augustss * notice, this list of conditions and the following disclaimer in the
17 1.1 augustss * documentation and/or other materials provided with the distribution.
18 1.1 augustss * 3. All advertising materials mentioning features or use of this software
19 1.1 augustss * must display the following acknowledgement:
20 1.1 augustss * This product includes software developed by the NetBSD
21 1.1 augustss * Foundation, Inc. and its contributors.
22 1.1 augustss * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1 augustss * contributors may be used to endorse or promote products derived
24 1.1 augustss * from this software without specific prior written permission.
25 1.1 augustss *
26 1.1 augustss * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1 augustss * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1 augustss * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1 augustss * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1 augustss * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1 augustss * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1 augustss * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1 augustss * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1 augustss * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1 augustss * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1 augustss * POSSIBILITY OF SUCH DAMAGE.
37 1.1 augustss */
38 1.1 augustss
39 1.1 augustss
40 1.1 augustss #include <sys/param.h>
41 1.1 augustss #include <sys/systm.h>
42 1.1 augustss #include <sys/kernel.h>
43 1.1 augustss #include <sys/malloc.h>
44 1.1 augustss #include <sys/device.h>
45 1.1 augustss #include <sys/ioctl.h>
46 1.1 augustss #include <sys/tty.h>
47 1.1 augustss #include <sys/file.h>
48 1.1 augustss #include <sys/select.h>
49 1.1 augustss #include <sys/proc.h>
50 1.1 augustss #include <sys/vnode.h>
51 1.1 augustss #include <sys/device.h>
52 1.1 augustss #include <sys/poll.h>
53 1.1 augustss
54 1.1 augustss #include <dev/usb/usb.h>
55 1.2 augustss #include <dev/usb/usbhid.h>
56 1.1 augustss #include <dev/usb/usbdi.h>
57 1.1 augustss #include <dev/usb/usbdi_util.h>
58 1.1 augustss #include <dev/usb/usbdevs.h>
59 1.1 augustss #include <dev/usb/usb_quirks.h>
60 1.1 augustss #include <dev/usb/hid.h>
61 1.1 augustss
62 1.2 augustss #include <dev/wscons/wsconsio.h>
63 1.2 augustss #include <dev/wscons/wskbdvar.h>
64 1.2 augustss #include <dev/wscons/wsksymdef.h>
65 1.2 augustss #include <dev/wscons/wsksymvar.h>
66 1.2 augustss #include <dev/wscons/wskbdmap_mfii.h>
67 1.2 augustss
68 1.2 augustss #include "opt_pckbd_layout.h"
69 1.2 augustss #include "opt_wsdisplay_compat.h"
70 1.2 augustss
71 1.1 augustss #ifdef USB_DEBUG
72 1.1 augustss #define DPRINTF(x) if (ukbddebug) printf x
73 1.1 augustss #define DPRINTFN(n,x) if (ukbddebug>(n)) printf x
74 1.1 augustss int ukbddebug = 0;
75 1.1 augustss #else
76 1.1 augustss #define DPRINTF(x)
77 1.1 augustss #define DPRINTFN(n,x)
78 1.1 augustss #endif
79 1.1 augustss
80 1.1 augustss #define UPROTO_BOOT_KEYBOARD 1
81 1.1 augustss
82 1.1 augustss #define NKEYCODE 6
83 1.1 augustss
84 1.2 augustss #define NUM_LOCK 0x01
85 1.2 augustss #define CAPS_LOCK 0x02
86 1.2 augustss #define SCROLL_LOCK 0x04
87 1.2 augustss
88 1.1 augustss struct ukbd_data {
89 1.1 augustss u_int8_t modifiers;
90 1.1 augustss #define MOD_CONTROL_L 0x01
91 1.1 augustss #define MOD_CONTROL_R 0x10
92 1.1 augustss #define MOD_SHIFT_L 0x02
93 1.1 augustss #define MOD_SHIFT_R 0x20
94 1.1 augustss #define MOD_ALT_L 0x04
95 1.1 augustss #define MOD_ALT_R 0x40
96 1.1 augustss #define MOD_WIN_L 0x08
97 1.1 augustss #define MOD_WIN_R 0x80
98 1.1 augustss u_int8_t reserved;
99 1.1 augustss u_int8_t keycode[NKEYCODE];
100 1.1 augustss };
101 1.1 augustss
102 1.1 augustss #define PRESS 0
103 1.1 augustss #define RELEASE 0x80
104 1.1 augustss
105 1.1 augustss #define NMOD 6
106 1.1 augustss static struct {
107 1.1 augustss int mask, key;
108 1.1 augustss } ukbd_mods[NMOD] = {
109 1.1 augustss { MOD_CONTROL_L, 29 },
110 1.1 augustss { MOD_CONTROL_R, 58 },
111 1.1 augustss { MOD_SHIFT_L, 42 },
112 1.1 augustss { MOD_SHIFT_R, 54 },
113 1.1 augustss { MOD_ALT_L, 56 },
114 1.1 augustss { MOD_ALT_R, 56 },
115 1.1 augustss };
116 1.1 augustss
117 1.1 augustss #define XX 0
118 1.1 augustss /* Translate USB keycodes to US keyboard scancodes. */
119 1.1 augustss /* XXX very incomplete */
120 1.1 augustss static char ukbd_trtab[256] = {
121 1.1 augustss 0, 0, 0, 0, 30, 48, 46, 32,
122 1.1 augustss 18, 33, 34, 35, 23, 36, 37, 38,
123 1.1 augustss 50, 49, 24, 25, 16, 19, 31, 20,
124 1.1 augustss 22, 47, 17, 45, 21, 44, 2, 3,
125 1.1 augustss 4, 5, 6, 7, 8, 9, 10, 11,
126 1.1 augustss 28, 1, 14, 15, 57, 12, 13, 26,
127 1.1 augustss 27, 43, XX, 39, 40, 41, 51, 52,
128 1.1 augustss 53, 58, 59, 60, 61, 62, 63, 64,
129 1.1 augustss 65, 66, 67, 68, 87, 88, XX, 70,
130 1.1 augustss XX, XX, XX, XX, XX,
131 1.1 augustss };
132 1.1 augustss
133 1.1 augustss #define KEY_ERROR 0x01
134 1.1 augustss
135 1.1 augustss struct ukbd_softc {
136 1.1 augustss struct device sc_dev; /* base device */
137 1.1 augustss usbd_interface_handle sc_iface; /* interface */
138 1.1 augustss usbd_pipe_handle sc_intrpipe; /* interrupt pipe */
139 1.1 augustss int sc_ep_addr;
140 1.1 augustss
141 1.1 augustss struct ukbd_data sc_ndata;
142 1.1 augustss struct ukbd_data sc_odata;
143 1.1 augustss
144 1.2 augustss int sc_state;
145 1.2 augustss #define UKBD_NEEDCLEAR 0x01 /* needs clearing endpoint stall */
146 1.2 augustss int sc_disconnected; /* device is gone */
147 1.1 augustss
148 1.2 augustss int sc_leds;
149 1.2 augustss struct device *sc_wskbddev;
150 1.2 augustss #ifdef WSDISPLAY_COMPAT_RAWKBD
151 1.2 augustss int sc_rawkbd;
152 1.2 augustss #endif
153 1.3 augustss
154 1.3 augustss int sc_polling;
155 1.3 augustss int sc_pollchar;
156 1.1 augustss };
157 1.1 augustss
158 1.1 augustss #define UKBDUNIT(dev) (minor(dev))
159 1.1 augustss #define UKBD_CHUNK 128 /* chunk size for read */
160 1.1 augustss #define UKBD_BSIZE 1020 /* buffer size */
161 1.1 augustss
162 1.2 augustss int ukbd_match __P((struct device *, struct cfdata *, void *));
163 1.2 augustss void ukbd_attach __P((struct device *, struct device *, void *));
164 1.1 augustss
165 1.3 augustss void ukbd_cngetc __P((void *, u_int *, int *));
166 1.3 augustss void ukbd_cnpollc __P((void *, int));
167 1.3 augustss
168 1.2 augustss void ukbd_intr __P((usbd_request_handle, usbd_private_handle, usbd_status));
169 1.2 augustss void ukbd_disco __P((void *));
170 1.2 augustss
171 1.2 augustss void ukbd_set_leds __P((void *, int));
172 1.2 augustss int ukbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
173 1.1 augustss
174 1.1 augustss extern struct cfdriver ukbd_cd;
175 1.1 augustss
176 1.1 augustss struct cfattach ukbd_ca = {
177 1.1 augustss sizeof(struct ukbd_softc), ukbd_match, ukbd_attach
178 1.1 augustss };
179 1.1 augustss
180 1.1 augustss int
181 1.1 augustss ukbd_match(parent, match, aux)
182 1.1 augustss struct device *parent;
183 1.1 augustss struct cfdata *match;
184 1.1 augustss void *aux;
185 1.1 augustss {
186 1.1 augustss struct usb_attach_arg *uaa = (struct usb_attach_arg *)aux;
187 1.1 augustss usb_interface_descriptor_t *id;
188 1.1 augustss
189 1.1 augustss /* Check that this is a keyboard that speaks the boot protocol. */
190 1.1 augustss if (!uaa->iface)
191 1.1 augustss return (UMATCH_NONE);
192 1.1 augustss id = usbd_get_interface_descriptor(uaa->iface);
193 1.1 augustss if (id->bInterfaceClass != UCLASS_HID ||
194 1.1 augustss id->bInterfaceSubClass != USUBCLASS_BOOT ||
195 1.1 augustss id->bInterfaceProtocol != UPROTO_BOOT_KEYBOARD)
196 1.1 augustss return (UMATCH_NONE);
197 1.1 augustss return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
198 1.1 augustss }
199 1.1 augustss
200 1.1 augustss void
201 1.1 augustss ukbd_attach(parent, self, aux)
202 1.1 augustss struct device *parent;
203 1.1 augustss struct device *self;
204 1.1 augustss void *aux;
205 1.1 augustss {
206 1.1 augustss struct ukbd_softc *sc = (struct ukbd_softc *)self;
207 1.1 augustss struct usb_attach_arg *uaa = aux;
208 1.1 augustss usbd_interface_handle iface = uaa->iface;
209 1.1 augustss usb_interface_descriptor_t *id;
210 1.1 augustss usb_endpoint_descriptor_t *ed;
211 1.1 augustss usbd_status r;
212 1.1 augustss char devinfo[1024];
213 1.2 augustss struct wskbddev_attach_args a;
214 1.1 augustss
215 1.1 augustss sc->sc_disconnected = 1;
216 1.1 augustss sc->sc_iface = iface;
217 1.1 augustss id = usbd_get_interface_descriptor(iface);
218 1.1 augustss usbd_devinfo(uaa->device, 0, devinfo);
219 1.1 augustss printf(": %s (interface class %d/%d)\n", devinfo,
220 1.1 augustss id->bInterfaceClass, id->bInterfaceSubClass);
221 1.1 augustss ed = usbd_interface2endpoint_descriptor(iface, 0);
222 1.1 augustss if (!ed) {
223 1.1 augustss printf("%s: could not read endpoint descriptor\n",
224 1.1 augustss sc->sc_dev.dv_xname);
225 1.1 augustss return;
226 1.1 augustss }
227 1.1 augustss
228 1.1 augustss DPRINTFN(10,("ukbd_attach: \
229 1.1 augustss bLength=%d bDescriptorType=%d bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d bInterval=%d\n",
230 1.1 augustss ed->bLength, ed->bDescriptorType, ed->bEndpointAddress & UE_ADDR,
231 1.1 augustss ed->bEndpointAddress & UE_IN ? "in" : "out",
232 1.1 augustss ed->bmAttributes & UE_XFERTYPE,
233 1.1 augustss UGETW(ed->wMaxPacketSize), ed->bInterval));
234 1.1 augustss
235 1.1 augustss if ((ed->bEndpointAddress & UE_IN) != UE_IN ||
236 1.1 augustss (ed->bmAttributes & UE_XFERTYPE) != UE_INTERRUPT) {
237 1.1 augustss printf("%s: unexpected endpoint\n",
238 1.1 augustss sc->sc_dev.dv_xname);
239 1.1 augustss return;
240 1.1 augustss }
241 1.1 augustss
242 1.1 augustss if ((usbd_get_quirks(uaa->device)->uq_flags & UQ_NO_SET_PROTO) == 0) {
243 1.1 augustss r = usbd_set_protocol(iface, 0);
244 1.1 augustss DPRINTFN(5, ("ukbd_attach: protocol set\n"));
245 1.1 augustss if (r != USBD_NORMAL_COMPLETION) {
246 1.1 augustss printf("%s: set protocol failed\n",
247 1.1 augustss sc->sc_dev.dv_xname);
248 1.1 augustss return;
249 1.1 augustss }
250 1.1 augustss }
251 1.1 augustss
252 1.1 augustss sc->sc_ep_addr = ed->bEndpointAddress;
253 1.1 augustss sc->sc_disconnected = 0;
254 1.2 augustss
255 1.2 augustss a.console = 0; /* XXX */
256 1.2 augustss #ifdef PCKBD_LAYOUT
257 1.2 augustss a.layout = PCKBD_LAYOUT;
258 1.2 augustss #else
259 1.2 augustss a.layout = KB_US;
260 1.2 augustss #endif
261 1.2 augustss a.keydesc = pckbd_keydesctab;
262 1.2 augustss a.num_keydescs = sizeof(pckbd_keydesctab)/sizeof(pckbd_keydesctab[0]);
263 1.3 augustss a.getc = ukbd_cngetc;
264 1.3 augustss a.pollc = ukbd_cnpollc;
265 1.2 augustss a.set_leds = ukbd_set_leds;
266 1.2 augustss a.ioctl = ukbd_ioctl;
267 1.2 augustss a.accesscookie = sc;
268 1.2 augustss sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
269 1.2 augustss
270 1.2 augustss /* Set up interrupt pipe. */
271 1.2 augustss r = usbd_open_pipe_intr(sc->sc_iface, sc->sc_ep_addr,
272 1.2 augustss USBD_SHORT_XFER_OK,
273 1.2 augustss &sc->sc_intrpipe, sc, &sc->sc_ndata,
274 1.2 augustss sizeof(sc->sc_ndata), ukbd_intr);
275 1.2 augustss if (r != USBD_NORMAL_COMPLETION) {
276 1.2 augustss printf("%s: usbd_open_pipe_intr failed, error=%d\n",
277 1.2 augustss sc->sc_dev.dv_xname, r);
278 1.2 augustss return;
279 1.2 augustss }
280 1.2 augustss usbd_set_disco(sc->sc_intrpipe, ukbd_disco, sc);
281 1.1 augustss }
282 1.1 augustss
283 1.1 augustss void
284 1.1 augustss ukbd_disco(p)
285 1.1 augustss void *p;
286 1.1 augustss {
287 1.1 augustss struct ukbd_softc *sc = p;
288 1.1 augustss sc->sc_disconnected = 1;
289 1.1 augustss }
290 1.1 augustss
291 1.1 augustss void
292 1.1 augustss ukbd_intr(reqh, addr, status)
293 1.1 augustss usbd_request_handle reqh;
294 1.1 augustss usbd_private_handle addr;
295 1.1 augustss usbd_status status;
296 1.1 augustss {
297 1.1 augustss struct ukbd_softc *sc = addr;
298 1.1 augustss struct ukbd_data *ud = &sc->sc_ndata;
299 1.1 augustss int mod, omod;
300 1.1 augustss char ibuf[NMOD+2*NKEYCODE]; /* chars events */
301 1.1 augustss int nkeys, i, j;
302 1.2 augustss int key, c;
303 1.1 augustss #define ADDKEY(c) ibuf[nkeys++] = (c)
304 1.1 augustss
305 1.1 augustss DPRINTFN(5, ("ukbd_intr: status=%d\n", status));
306 1.1 augustss if (status == USBD_CANCELLED)
307 1.1 augustss return;
308 1.1 augustss
309 1.1 augustss if (status != USBD_NORMAL_COMPLETION) {
310 1.1 augustss DPRINTF(("ukbd_intr: status=%d\n", status));
311 1.1 augustss sc->sc_state |= UKBD_NEEDCLEAR;
312 1.1 augustss return;
313 1.1 augustss }
314 1.1 augustss
315 1.1 augustss DPRINTFN(5, (" mod=0x%02x key0=0x%02x key1=0x%02x\n",
316 1.1 augustss ud->modifiers, ud->keycode[0], ud->keycode[1]));
317 1.1 augustss
318 1.1 augustss if (ud->keycode[0] == KEY_ERROR)
319 1.1 augustss return; /* ignore */
320 1.1 augustss nkeys = 0;
321 1.1 augustss mod = ud->modifiers;
322 1.1 augustss omod = sc->sc_odata.modifiers;
323 1.1 augustss if (mod != omod)
324 1.1 augustss for (i = 0; i < NMOD; i++)
325 1.1 augustss if (( mod & ukbd_mods[i].mask) !=
326 1.1 augustss (omod & ukbd_mods[i].mask))
327 1.1 augustss ADDKEY(ukbd_mods[i].key |
328 1.1 augustss (mod & ukbd_mods[i].mask
329 1.1 augustss ? PRESS : RELEASE));
330 1.1 augustss if (memcmp(ud->keycode, sc->sc_odata.keycode, NKEYCODE) != 0) {
331 1.1 augustss /* Check for released keys. */
332 1.1 augustss for (i = 0; i < NKEYCODE; i++) {
333 1.1 augustss key = sc->sc_odata.keycode[i];
334 1.1 augustss if (key == 0)
335 1.1 augustss continue;
336 1.1 augustss for (j = 0; j < NKEYCODE; j++)
337 1.1 augustss if (key == ud->keycode[j])
338 1.1 augustss goto rfound;
339 1.2 augustss c = ukbd_trtab[key];
340 1.2 augustss if (c)
341 1.2 augustss ADDKEY(c | RELEASE);
342 1.1 augustss rfound:
343 1.1 augustss ;
344 1.1 augustss }
345 1.1 augustss
346 1.1 augustss /* Check for pressed keys. */
347 1.1 augustss for (i = 0; i < NKEYCODE; i++) {
348 1.1 augustss key = ud->keycode[i];
349 1.1 augustss if (key == 0)
350 1.1 augustss continue;
351 1.1 augustss for (j = 0; j < NKEYCODE; j++)
352 1.1 augustss if (key == sc->sc_odata.keycode[j])
353 1.1 augustss goto pfound;
354 1.2 augustss c = ukbd_trtab[key];
355 1.2 augustss if (c)
356 1.2 augustss ADDKEY(c | PRESS);
357 1.1 augustss pfound:
358 1.1 augustss ;
359 1.1 augustss }
360 1.1 augustss }
361 1.1 augustss sc->sc_odata = *ud;
362 1.1 augustss
363 1.3 augustss if (sc->sc_polling) {
364 1.3 augustss if (nkeys > 0)
365 1.3 augustss sc->sc_pollchar = ibuf[0];
366 1.3 augustss return;
367 1.3 augustss }
368 1.2 augustss for (i = 0; i < nkeys; i++) {
369 1.2 augustss c = ibuf[i];
370 1.2 augustss wskbd_input(sc->sc_wskbddev,
371 1.2 augustss c&0x80 ? WSCONS_EVENT_KEY_UP:WSCONS_EVENT_KEY_DOWN,
372 1.2 augustss c & 0x7f);
373 1.1 augustss }
374 1.1 augustss }
375 1.1 augustss
376 1.2 augustss void
377 1.2 augustss ukbd_set_leds(v, leds)
378 1.2 augustss void *v;
379 1.2 augustss int leds;
380 1.1 augustss {
381 1.2 augustss struct ukbd_softc *sc = v;
382 1.2 augustss u_int8_t res;
383 1.1 augustss
384 1.2 augustss DPRINTF(("ukbd_set_leds: sc=%p leds=%d\n", sc, leds));
385 1.1 augustss
386 1.2 augustss sc->sc_leds = leds;
387 1.2 augustss res = 0;
388 1.2 augustss if (leds & WSKBD_LED_SCROLL)
389 1.2 augustss res |= SCROLL_LOCK;
390 1.2 augustss if (leds & WSKBD_LED_NUM)
391 1.2 augustss res |= NUM_LOCK;
392 1.2 augustss if (leds & WSKBD_LED_CAPS)
393 1.2 augustss res |= CAPS_LOCK;
394 1.2 augustss usbd_set_report(sc->sc_iface, UHID_OUTPUT_REPORT, 0, &res, 1);
395 1.1 augustss }
396 1.1 augustss
397 1.1 augustss int
398 1.2 augustss ukbd_ioctl(v, cmd, data, flag, p)
399 1.2 augustss void *v;
400 1.1 augustss u_long cmd;
401 1.2 augustss caddr_t data;
402 1.1 augustss int flag;
403 1.1 augustss struct proc *p;
404 1.1 augustss {
405 1.2 augustss struct ukbd_softc *sc = v;
406 1.1 augustss
407 1.2 augustss switch (cmd) {
408 1.2 augustss case WSKBDIO_GTYPE:
409 1.2 augustss *(int *)data = WSKBD_TYPE_PC_XT;
410 1.2 augustss return 0;
411 1.2 augustss case WSKBDIO_SETLEDS:
412 1.2 augustss ukbd_set_leds(v, *(int *)data);
413 1.2 augustss return 0;
414 1.2 augustss case WSKBDIO_GETLEDS:
415 1.2 augustss *(int *)data = sc->sc_leds;
416 1.2 augustss return (0);
417 1.2 augustss #ifdef WSDISPLAY_COMPAT_RAWKBD
418 1.2 augustss case WSKBDIO_SETMODE:
419 1.2 augustss sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
420 1.2 augustss return (0);
421 1.2 augustss #endif
422 1.2 augustss }
423 1.2 augustss return -1;
424 1.1 augustss }
425 1.2 augustss
426 1.3 augustss void
427 1.3 augustss ukbd_cngetc(v, type, data)
428 1.3 augustss void *v;
429 1.3 augustss u_int *type;
430 1.3 augustss int *data;
431 1.3 augustss {
432 1.3 augustss struct ukbd_softc *sc = v;
433 1.3 augustss usbd_lock_token s;
434 1.3 augustss extern int usbd_use_polling;
435 1.3 augustss
436 1.3 augustss s = usbd_lock();
437 1.3 augustss usbd_use_polling = 1;
438 1.3 augustss sc->sc_polling = 1;
439 1.3 augustss sc->sc_pollchar = -1;
440 1.3 augustss while(sc->sc_pollchar == -1)
441 1.3 augustss usbd_dopoll(sc->sc_iface);
442 1.3 augustss sc->sc_polling = 0;
443 1.3 augustss usbd_use_polling = 0;
444 1.3 augustss *type = sc->sc_pollchar&0x80?WSCONS_EVENT_KEY_UP:WSCONS_EVENT_KEY_DOWN;
445 1.3 augustss *data = sc->sc_pollchar & 0x7f;
446 1.3 augustss usbd_unlock(s);
447 1.3 augustss }
448 1.3 augustss
449 1.3 augustss void
450 1.3 augustss ukbd_cnpollc(v, on)
451 1.3 augustss void *v;
452 1.3 augustss int on;
453 1.3 augustss {
454 1.3 augustss DPRINTF(("ukbd_cnpollc: sc=%p on=%d\n", v, on));
455 1.3 augustss }
456