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USB - Add support for xfer-restart-before-callback
[dragonfly.git] / sys / dev / usbmisc / ukbd / ukbd.c
CommitLineData
1550dfd9
MD		 1/*
2 * $FreeBSD: src/sys/dev/usb/ukbd.c,v 1.45 2003/10/04 21:41:01 joe Exp $
74781d8f 3 * $DragonFly: src/sys/dev/usbmisc/ukbd/ukbd.c,v 1.27 2008/08/14 20:55:53 hasso Exp $
1550dfd9 4 */
984263bc
MD		 5
6/*
7 * Copyright (c) 1998 The NetBSD Foundation, Inc.
8 * All rights reserved.
9 *
10 * This code is derived from software contributed to The NetBSD Foundation
11 * by Lennart Augustsson (lennart@augustsson.net) at
12 * Carlstedt Research & Technology.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. All advertising materials mentioning features or use of this software
23 * must display the following acknowledgement:
24 * This product includes software developed by the NetBSD
25 * Foundation, Inc. and its contributors.
26 * 4. Neither the name of The NetBSD Foundation nor the names of its
27 * contributors may be used to endorse or promote products derived
28 * from this software without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
31 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
32 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
33 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
34 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
35 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
36 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
37 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
38 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
39 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
40 * POSSIBILITY OF SUCH DAMAGE.
41 */
42
43/*
9a981cb9 44 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
984263bc
MD		 45 */
46
47#include "opt_kbd.h"
48#include "opt_ukbd.h"
49
50#include <sys/param.h>
51#include <sys/systm.h>
52#include <sys/kernel.h>
984263bc
MD		 53#include <sys/module.h>
54#include <sys/bus.h>
984263bc 55#include <sys/file.h>
1550dfd9 56#include <machine/limits.h>
984263bc 57#include <sys/select.h>
984263bc 58#include <sys/sysctl.h>
4e01b467 59#include <sys/thread2.h>
984263bc 60
1f2de5d4
MD		 61#include <bus/usb/usb.h>
62#include <bus/usb/usbhid.h>
63#include <bus/usb/usbdi.h>
64#include <bus/usb/usbdi_util.h>
1f2de5d4
MD		 65#include <bus/usb/usb_quirks.h>
66#include <bus/usb/hid.h>
984263bc
MD		 67
68#include <sys/kbio.h>
1f2de5d4 69#include <dev/misc/kbd/kbdreg.h>
984263bc
MD		 70
71#define UKBD_EMULATE_ATSCANCODE 1
72
73#define DRIVER_NAME "ukbd"
74
75#define delay(d) DELAY(d)
76
77#ifdef USB_DEBUG
fc1ef497
HT		 78#define DPRINTF(x) if (ukbddebug) kprintf x
79#define DPRINTFN(n,x) if (ukbddebug>(n)) kprintf x
984263bc
MD		 80int ukbddebug = 0;
81SYSCTL_NODE(_hw_usb, OID_AUTO, ukbd, CTLFLAG_RW, 0, "USB ukbd");
82SYSCTL_INT(_hw_usb_ukbd, OID_AUTO, debug, CTLFLAG_RW,
83 &ukbddebug, 0, "ukbd debug level");
84#else
85#define DPRINTF(x)
86#define DPRINTFN(n,x)
87#endif
88
89#define UPROTO_BOOT_KEYBOARD 1
90
91#define NKEYCODE 6
92
93struct ukbd_data {
94 u_int8_t modifiers;
95#define MOD_CONTROL_L 0x01
96#define MOD_CONTROL_R 0x10
97#define MOD_SHIFT_L 0x02
98#define MOD_SHIFT_R 0x20
99#define MOD_ALT_L 0x04
100#define MOD_ALT_R 0x40
101#define MOD_WIN_L 0x08
102#define MOD_WIN_R 0x80
103 u_int8_t reserved;
104 u_int8_t keycode[NKEYCODE];
105};
106
107#define MAXKEYS (NMOD+2*NKEYCODE)
108
109typedef struct ukbd_softc {
110 device_t sc_dev; /* base device */
111} ukbd_softc_t;
112
113#define UKBD_CHUNK 128 /* chunk size for read */
114#define UKBD_BSIZE 1020 /* buffer size */
115
116typedef void usbd_intr_t(usbd_xfer_handle, usbd_private_handle, usbd_status);
117typedef void usbd_disco_t(void *);
118
6ed427ca
HT		 119static int ukbd_resume(device_t self);
120static usbd_intr_t ukbd_intr;
121static int ukbd_driver_load(module_t mod, int what, void *arg);
122static int ukbd_default_term(keyboard_t *kbd);
0abf15af 123
6ed427ca 124static keyboard_t default_kbd;
984263bc 125
61b69189
HT		 126static device_probe_t ukbd_match;
127static device_attach_t ukbd_attach;
128static device_detach_t ukbd_detach;
129
130static devclass_t ukbd_devclass;
131
132static kobj_method_t ukbd_methods[] = {
133 DEVMETHOD(device_probe, ukbd_match),
134 DEVMETHOD(device_attach, ukbd_attach),
135 DEVMETHOD(device_detach, ukbd_detach),
136 DEVMETHOD(device_resume, ukbd_resume),
137 {0,0}
138};
139
140static driver_t ukbd_driver = {
141 "ukbd",
142 ukbd_methods,
143 sizeof(struct ukbd_softc)
144};
145
146MODULE_DEPEND(ukbd, usb, 1, 1, 1);
984263bc 147
e785a5d9
HT		 148static int
149ukbd_match(device_t self)
984263bc 150{
e785a5d9 151 struct usb_attach_arg *uaa = device_get_ivars(self);
984263bc
MD		 152
153 keyboard_switch_t *sw;
154 void *arg[2];
155 int unit = device_get_unit(self);
156
157 sw = kbd_get_switch(DRIVER_NAME);
158 if (sw == NULL)
159 return (UMATCH_NONE);
160
161 arg[0] = (void *)uaa;
162 arg[1] = (void *)ukbd_intr;
163 if ((*sw->probe)(unit, (void *)arg, 0))
164 return (UMATCH_NONE);
165
166 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
167}
168
e785a5d9
HT		 169static int
170ukbd_attach(device_t self)
984263bc 171{
e785a5d9
HT		 172 struct ukbd_softc *sc = device_get_softc(self);
173 struct usb_attach_arg *uaa = device_get_ivars(self);
984263bc
MD		 174
175 keyboard_switch_t *sw;
176 keyboard_t *kbd;
177 void *arg[2];
178 int unit = device_get_unit(self);
179
180 sw = kbd_get_switch(DRIVER_NAME);
181 if (sw == NULL)
e785a5d9 182 return ENXIO;
984263bc 183
e785a5d9 184 sc->sc_dev = self;
984263bc
MD		 185
186 arg[0] = (void *)uaa;
187 arg[1] = (void *)ukbd_intr;
188 kbd = NULL;
189 if ((*sw->probe)(unit, (void *)arg, 0))
e785a5d9 190 return ENXIO;
984263bc 191 if ((*sw->init)(unit, &kbd, (void *)arg, 0))
e785a5d9 192 return ENXIO;
984263bc
MD		 193 (*sw->enable)(kbd);
194
195#ifdef KBD_INSTALL_CDEV
196 if (kbd_attach(kbd))
e785a5d9 197 return ENXIO;
984263bc
MD		 198#endif
199 if (bootverbose)
200 (*sw->diag)(kbd, bootverbose);
201
e785a5d9 202 return 0;
984263bc
MD		 203}
204
205int
206ukbd_detach(device_t self)
207{
208 keyboard_t *kbd;
209 int error;
210
211 kbd = kbd_get_keyboard(kbd_find_keyboard(DRIVER_NAME,
212 device_get_unit(self)));
213 if (kbd == NULL) {
6ed427ca 214 DPRINTF(("%s: keyboard not attached!?\n", device_get_nameunit(self)));
984263bc
MD		 215 return ENXIO;
216 }
217 (*kbdsw[kbd->kb_index]->disable)(kbd);
218
219#ifdef KBD_INSTALL_CDEV
0abf15af
MD		 220 if (kbd != &default_kbd) {
221 error = kbd_detach(kbd);
222 if (error)
223 return error;
224 }
984263bc 225#endif
0abf15af
MD		 226 if (kbd == &default_kbd) {
227 ukbd_default_term(kbd);
228 } else {
229 error = (*kbdsw[kbd->kb_index]->term)(kbd);
230 if (error)
231 return error;
232 }
984263bc 233
6ed427ca 234 DPRINTF(("%s: disconnected\n", device_get_nameunit(self)));
984263bc
MD		 235
236 return (0);
237}
238
6ed427ca 239static int
984263bc
MD		 240ukbd_resume(device_t self)
241{
242 keyboard_t *kbd;
243
244 kbd = kbd_get_keyboard(kbd_find_keyboard(DRIVER_NAME,
245 device_get_unit(self)));
246 if (kbd)
247 (*kbdsw[kbd->kb_index]->clear_state)(kbd);
248 return (0);
249}
250
251void
252ukbd_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
253{
254 keyboard_t *kbd = (keyboard_t *)addr;
255
256 (*kbdsw[kbd->kb_index]->intr)(kbd, (void *)status);
257}
258
259DRIVER_MODULE(ukbd, uhub, ukbd_driver, ukbd_devclass, ukbd_driver_load, 0);
260
984263bc
MD		 261
262#define UKBD_DEFAULT 0
263
264#define KEY_ERROR 0x01
265
266#define KEY_PRESS 0
267#define KEY_RELEASE 0x400
268#define KEY_INDEX(c) ((c) & ~KEY_RELEASE)
269
270#define SCAN_PRESS 0
271#define SCAN_RELEASE 0x80
272#define SCAN_PREFIX_E0 0x100
273#define SCAN_PREFIX_E1 0x200
274#define SCAN_PREFIX_CTL 0x400
275#define SCAN_PREFIX_SHIFT 0x800
276#define SCAN_PREFIX (SCAN_PREFIX_E0 | SCAN_PREFIX_E1 | SCAN_PREFIX_CTL \
277 | SCAN_PREFIX_SHIFT)
278#define SCAN_CHAR(c) ((c) & 0x7f)
279
280#define NMOD 8
6ed427ca 281static struct {
984263bc
MD		 282 int mask, key;
283} ukbd_mods[NMOD] = {
284 { MOD_CONTROL_L, 0xe0 },
285 { MOD_CONTROL_R, 0xe4 },
286 { MOD_SHIFT_L, 0xe1 },
287 { MOD_SHIFT_R, 0xe5 },
288 { MOD_ALT_L, 0xe2 },
289 { MOD_ALT_R, 0xe6 },
290 { MOD_WIN_L, 0xe3 },
291 { MOD_WIN_R, 0xe7 },
292};
293
294#define NN 0 /* no translation */
1550dfd9 295/*
984263bc
MD		 296 * Translate USB keycodes to AT keyboard scancodes.
297 */
298/*
299 * FIXME: Mac USB keyboard generates:
300 * 0x53: keypad NumLock/Clear
301 * 0x66: Power
302 * 0x67: keypad =
303 * 0x68: F13
304 * 0x69: F14
305 * 0x6a: F15
306 */
6ed427ca 307static u_int8_t ukbd_trtab[256] = {
984263bc
MD		 308 0, 0, 0, 0, 30, 48, 46, 32, /* 00 - 07 */
309 18, 33, 34, 35, 23, 36, 37, 38, /* 08 - 0F */
310 50, 49, 24, 25, 16, 19, 31, 20, /* 10 - 17 */
311 22, 47, 17, 45, 21, 44, 2, 3, /* 18 - 1F */
312 4, 5, 6, 7, 8, 9, 10, 11, /* 20 - 27 */
313 28, 1, 14, 15, 57, 12, 13, 26, /* 28 - 2F */
314 27, 43, 43, 39, 40, 41, 51, 52, /* 30 - 37 */
315 53, 58, 59, 60, 61, 62, 63, 64, /* 38 - 3F */
316 65, 66, 67, 68, 87, 88, 92, 70, /* 40 - 47 */
317 104, 102, 94, 96, 103, 99, 101, 98, /* 48 - 4F */
318 97, 100, 95, 69, 91, 55, 74, 78, /* 50 - 57 */
319 89, 79, 80, 81, 75, 76, 77, 71, /* 58 - 5F */
320 72, 73, 82, 83, 86, 107, NN, NN, /* 60 - 67 */
321 NN, NN, NN, NN, NN, NN, NN, NN, /* 68 - 6F */
322 NN, NN, NN, NN, NN, NN, NN, NN, /* 70 - 77 */
323 NN, NN, NN, NN, NN, NN, NN, NN, /* 78 - 7F */
324 NN, NN, NN, NN, NN, NN, NN, 115, /* 80 - 87 */
325 112, 125, 121, 123, NN, NN, NN, NN, /* 88 - 8F */
326 NN, NN, NN, NN, NN, NN, NN, NN, /* 90 - 97 */
327 NN, NN, NN, NN, NN, NN, NN, NN, /* 98 - 9F */
328 NN, NN, NN, NN, NN, NN, NN, NN, /* A0 - A7 */
329 NN, NN, NN, NN, NN, NN, NN, NN, /* A8 - AF */
330 NN, NN, NN, NN, NN, NN, NN, NN, /* B0 - B7 */
331 NN, NN, NN, NN, NN, NN, NN, NN, /* B8 - BF */
332 NN, NN, NN, NN, NN, NN, NN, NN, /* C0 - C7 */
333 NN, NN, NN, NN, NN, NN, NN, NN, /* C8 - CF */
334 NN, NN, NN, NN, NN, NN, NN, NN, /* D0 - D7 */
335 NN, NN, NN, NN, NN, NN, NN, NN, /* D8 - DF */
336 29, 42, 56, 105, 90, 54, 93, 106, /* E0 - E7 */
337 NN, NN, NN, NN, NN, NN, NN, NN, /* E8 - EF */
338 NN, NN, NN, NN, NN, NN, NN, NN, /* F0 - F7 */
339 NN, NN, NN, NN, NN, NN, NN, NN, /* F8 - FF */
340};
341
342typedef struct ukbd_state {
343 usbd_interface_handle ks_iface; /* interface */
344 usbd_pipe_handle ks_intrpipe; /* interrupt pipe */
345 struct usb_attach_arg *ks_uaa;
346 int ks_ep_addr;
347
348 struct ukbd_data ks_ndata;
349 struct ukbd_data ks_odata;
350 u_long ks_ntime[NKEYCODE];
351 u_long ks_otime[NKEYCODE];
352
353#define INPUTBUFSIZE (NMOD + 2*NKEYCODE)
354 u_int ks_input[INPUTBUFSIZE]; /* input buffer */
355 int ks_inputs;
356 int ks_inputhead;
357 int ks_inputtail;
358
359 int ks_ifstate;
360#define INTRENABLED (1 << 0)
361#define DISCONNECTED (1 << 1)
362
ee332a5a 363 struct callout ks_timeout;
984263bc
MD		 364
365 int ks_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */
366 int ks_flags; /* flags */
367#define COMPOSE (1 << 0)
368 int ks_polling;
369 int ks_state; /* shift/lock key state */
370 int ks_accents; /* accent key index (> 0) */
371 u_int ks_composed_char; /* composed char code (> 0) */
372#ifdef UKBD_EMULATE_ATSCANCODE
373 u_int ks_buffered_char[2];
374#endif
375} ukbd_state_t;
376
377/* keyboard driver declaration */
6ed427ca
HT		 378static int ukbd_configure(int flags);
379static kbd_probe_t ukbd_probe;
380static kbd_init_t ukbd_init;
381static kbd_term_t ukbd_term;
382static kbd_intr_t ukbd_interrupt;
383static kbd_test_if_t ukbd_test_if;
384static kbd_enable_t ukbd_enable;
385static kbd_disable_t ukbd_disable;
386static kbd_read_t ukbd_read;
387static kbd_check_t ukbd_check;
388static kbd_read_char_t ukbd_read_char;
389static kbd_check_char_t ukbd_check_char;
390static kbd_ioctl_t ukbd_ioctl;
391static kbd_lock_t ukbd_lock;
392static kbd_clear_state_t ukbd_clear_state;
393static kbd_get_state_t ukbd_get_state;
394static kbd_set_state_t ukbd_set_state;
395static kbd_poll_mode_t ukbd_poll;
984263bc
MD		 396
397keyboard_switch_t ukbdsw = {
398 ukbd_probe,
399 ukbd_init,
400 ukbd_term,
401 ukbd_interrupt,
402 ukbd_test_if,
403 ukbd_enable,
404 ukbd_disable,
405 ukbd_read,
406 ukbd_check,
407 ukbd_read_char,
408 ukbd_check_char,
409 ukbd_ioctl,
410 ukbd_lock,
411 ukbd_clear_state,
412 ukbd_get_state,
413 ukbd_set_state,
414 genkbd_get_fkeystr,
415 ukbd_poll,
416 genkbd_diag,
417};
418
419KEYBOARD_DRIVER(ukbd, ukbdsw, ukbd_configure);
420
421/* local functions */
6ed427ca 422static int ukbd_enable_intr(keyboard_t *kbd, int on,
984263bc 423 usbd_intr_t *func);
6ed427ca 424static timeout_t ukbd_timeout;
984263bc 425
6ed427ca
HT		 426static int ukbd_getc(ukbd_state_t *state);
427static int probe_keyboard(struct usb_attach_arg *uaa, int flags);
428static int init_keyboard(ukbd_state_t *state, int *type,
984263bc 429 int flags);
6ed427ca
HT		 430static void set_leds(ukbd_state_t *state, int leds);
431static int set_typematic(keyboard_t *kbd, int code);
984263bc 432#ifdef UKBD_EMULATE_ATSCANCODE
6ed427ca 433static int keycode2scancode(int keycode, int shift, int up);
984263bc
MD		 434#endif
435
436/* local variables */
437
438/* the initial key map, accent map and fkey strings */
271d192a 439#if defined(UKBD_DFLT_KEYMAP) && !defined(KLD_MODULE)
984263bc
MD		 440#define KBD_DFLT_KEYMAP
441#include "ukbdmap.h"
442#endif
1f2de5d4 443#include <dev/misc/kbd/kbdtables.h>
984263bc
MD		 444
445/* structures for the default keyboard */
6ed427ca
HT		 446static ukbd_state_t default_kbd_state;
447static keymap_t default_keymap;
448static accentmap_t default_accentmap;
449static fkeytab_t default_fkeytab[NUM_FKEYS];
984263bc 450
1550dfd9 451/*
984263bc
MD		 452 * The back door to the keyboard driver!
453 * This function is called by the console driver, via the kbdio module,
454 * to tickle keyboard drivers when the low-level console is being initialized.
455 * Almost nothing in the kernel has been initialied yet. Try to probe
456 * keyboards if possible.
457 * NOTE: because of the way the low-level conole is initialized, this routine
458 * may be called more than once!!
459 */
6ed427ca 460static int
984263bc
MD		 461ukbd_configure(int flags)
462{
463 return 0;
464
465#if 0 /* not yet */
466 keyboard_t *kbd;
467 device_t device;
468 struct usb_attach_arg *uaa;
469 void *arg[2];
470
471 device = devclass_get_device(ukbd_devclass, UKBD_DEFAULT);
472 if (device == NULL)
473 return 0;
474 uaa = (struct usb_attach_arg *)device_get_ivars(device);
475 if (uaa == NULL)
476 return 0;
477
478 /* probe the default keyboard */
479 arg[0] = (void *)uaa;
480 arg[1] = (void *)ukbd_intr;
481 kbd = NULL;
482 if (ukbd_probe(UKBD_DEFAULT, arg, flags))
483 return 0;
484 if (ukbd_init(UKBD_DEFAULT, &kbd, arg, flags))
485 return 0;
486
487 /* return the number of found keyboards */
488 return 1;
489#endif
490}
491
492/* low-level functions */
493
494/* detect a keyboard */
6ed427ca 495static int
984263bc
MD		 496ukbd_probe(int unit, void *arg, int flags)
497{
498 void **data;
499 struct usb_attach_arg *uaa;
500
501 data = (void **)arg;
502 uaa = (struct usb_attach_arg *)data[0];
503
984263bc
MD		 504 if (unit == UKBD_DEFAULT) {
505 if (KBD_IS_PROBED(&default_kbd))
506 return 0;
507 }
508 if (probe_keyboard(uaa, flags))
509 return ENXIO;
510 return 0;
511}
512
0abf15af
MD		 513/*
514 * Reset and initialize the device. Note that unit 0 (UKBD_DEFAULT) is an
515 * always-connected device once it has been initially detected. We do not
516 * deregister it if the usb keyboard is unplugged to avoid losing the
517 * connection to the console. This feature also handles the USB bus reset
518 * which detaches and reattaches USB devices during boot.
519 */
6ed427ca 520static int
984263bc
MD		 521ukbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
522{
523 keyboard_t *kbd;
524 ukbd_state_t *state;
525 keymap_t *keymap;
526 accentmap_t *accmap;
527 fkeytab_t *fkeymap;
528 int fkeymap_size;
529 void **data = (void **)arg;
530 struct usb_attach_arg *uaa = (struct usb_attach_arg *)data[0];
531
984263bc
MD		 532 if (unit == UKBD_DEFAULT) {
533 *kbdp = kbd = &default_kbd;
534 if (KBD_IS_INITIALIZED(kbd) && KBD_IS_CONFIGURED(kbd))
535 return 0;
536 state = &default_kbd_state;
537 keymap = &default_keymap;
538 accmap = &default_accentmap;
539 fkeymap = default_fkeytab;
540 fkeymap_size =
541 sizeof(default_fkeytab)/sizeof(default_fkeytab[0]);
542 } else if (*kbdp == NULL) {
efda3bd0
MD		 543 *kbdp = kbd = kmalloc(sizeof(*kbd), M_DEVBUF, M_INTWAIT | M_ZERO);
544 state = kmalloc(sizeof(*state), M_DEVBUF, M_INTWAIT);
545 keymap = kmalloc(sizeof(key_map), M_DEVBUF, M_INTWAIT);
546 accmap = kmalloc(sizeof(accent_map), M_DEVBUF, M_INTWAIT);
547 fkeymap = kmalloc(sizeof(fkey_tab), M_DEVBUF, M_INTWAIT);
984263bc
MD		 548 fkeymap_size = sizeof(fkey_tab)/sizeof(fkey_tab[0]);
549 if ((state == NULL) || (keymap == NULL) || (accmap == NULL)
550 || (fkeymap == NULL)) {
551 if (state != NULL)
efda3bd0 552 kfree(state, M_DEVBUF);
984263bc 553 if (keymap != NULL)
efda3bd0 554 kfree(keymap, M_DEVBUF);
984263bc 555 if (accmap != NULL)
efda3bd0 556 kfree(accmap, M_DEVBUF);
984263bc 557 if (fkeymap != NULL)
efda3bd0
MD		 558 kfree(fkeymap, M_DEVBUF);
559 kfree(kbd, M_DEVBUF);
984263bc
MD		 560 return ENOMEM;
561 }
562 } else if (KBD_IS_INITIALIZED(*kbdp) && KBD_IS_CONFIGURED(*kbdp)) {
563 return 0;
564 } else {
565 kbd = *kbdp;
566 state = (ukbd_state_t *)kbd->kb_data;
567 keymap = kbd->kb_keymap;
568 accmap = kbd->kb_accentmap;
569 fkeymap = kbd->kb_fkeytab;
570 fkeymap_size = kbd->kb_fkeytab_size;
571 }
572
573 if (!KBD_IS_PROBED(kbd)) {
0abf15af
MD		 574 if (KBD_IS_CONFIGURED(kbd)) {
575 kbd_reinit_struct(kbd, flags, KB_PRI_USB);
576 } else {
577 kbd_init_struct(kbd, DRIVER_NAME, KB_OTHER,
578 unit, flags, KB_PRI_USB,
579 0, 0);
580 }
984263bc
MD		 581 bzero(state, sizeof(*state));
582 bcopy(&key_map, keymap, sizeof(key_map));
583 bcopy(&accent_map, accmap, sizeof(accent_map));
584 bcopy(fkey_tab, fkeymap,
585 imin(fkeymap_size*sizeof(fkeymap[0]), sizeof(fkey_tab)));
586 kbd_set_maps(kbd, keymap, accmap, fkeymap, fkeymap_size);
587 kbd->kb_data = (void *)state;
588
589 if (probe_keyboard(uaa, flags))
590 return ENXIO;
591 else
592 KBD_FOUND_DEVICE(kbd);
593 ukbd_clear_state(kbd);
de8716a3
MD		 594
595 /*
fcd74d1b
MD		 596 * If reattatching to an already open keyboard (e.g. console),
597 * try to restore the translation mode. Otherwise set the
598 * translation mode to, well, translation mode so we don't
599 * get garbage.
de8716a3 600 */
fcd74d1b 601 if (!KBD_IS_CONFIGURED(kbd)) {
de8716a3 602 state->ks_mode = K_XLATE;
fcd74d1b
MD		 603 kbd->kb_savemode = state->ks_mode;
604 } else {
605 state->ks_mode = kbd->kb_savemode;
606 }
984263bc
MD		 607 state->ks_iface = uaa->iface;
608 state->ks_uaa = uaa;
609 state->ks_ifstate = 0;
ee332a5a 610 callout_init(&state->ks_timeout);
1550dfd9 611 /*
984263bc
MD		 612 * FIXME: set the initial value for lock keys in ks_state
613 * according to the BIOS data?
614 */
615 KBD_PROBE_DONE(kbd);
616 }
617 if (!KBD_IS_INITIALIZED(kbd) && !(flags & KB_CONF_PROBE_ONLY)) {
618 if (KBD_HAS_DEVICE(kbd)
619 && init_keyboard((ukbd_state_t *)kbd->kb_data,
620 &kbd->kb_type, kbd->kb_flags))
621 return ENXIO;
622 ukbd_ioctl(kbd, KDSETLED, (caddr_t)&(state->ks_state));
984263bc
MD		 623 }
624 if (!KBD_IS_CONFIGURED(kbd)) {
625 if (kbd_register(kbd) < 0)
626 return ENXIO;
0abf15af
MD		 627 KBD_CONFIG_DONE(kbd);
628 }
629 if (!KBD_IS_INITIALIZED(kbd) && !(flags & KB_CONF_PROBE_ONLY)) {
984263bc
MD		 630 if (ukbd_enable_intr(kbd, TRUE, (usbd_intr_t *)data[1]) == 0)
631 ukbd_timeout((void *)kbd);
0abf15af 632 KBD_INIT_DONE(kbd);
984263bc 633 }
984263bc
MD		 634 return 0;
635}
636
6ed427ca 637static int
984263bc
MD		 638ukbd_enable_intr(keyboard_t *kbd, int on, usbd_intr_t *func)
639{
640 ukbd_state_t *state = (ukbd_state_t *)kbd->kb_data;
641 usbd_status err;
642
643 if (on) {
644 /* Set up interrupt pipe. */
645 if (state->ks_ifstate & INTRENABLED)
646 return EBUSY;
1550dfd9 647
984263bc 648 state->ks_ifstate |= INTRENABLED;
1550dfd9 649 err = usbd_open_pipe_intr(state->ks_iface, state->ks_ep_addr,
f32bdd67 650 USBD_SHORT_XFER_OK | USBD_CALLBACK_LAST,
984263bc 651 &state->ks_intrpipe, kbd,
1550dfd9 652 &state->ks_ndata,
984263bc
MD		 653 sizeof(state->ks_ndata), func,
654 USBD_DEFAULT_INTERVAL);
655 if (err)
656 return (EIO);
657 } else {
658 /* Disable interrupts. */
659 usbd_abort_pipe(state->ks_intrpipe);
660 usbd_close_pipe(state->ks_intrpipe);
661
662 state->ks_ifstate &= ~INTRENABLED;
663 }
664
665 return (0);
666}
667
668/* finish using this keyboard */
6ed427ca 669static int
984263bc
MD		 670ukbd_term(keyboard_t *kbd)
671{
672 ukbd_state_t *state;
673 int error;
984263bc 674
4e01b467 675 crit_enter();
984263bc
MD		 676 state = (ukbd_state_t *)kbd->kb_data;
677 DPRINTF(("ukbd_term: ks_ifstate=0x%x\n", state->ks_ifstate));
678
ee332a5a 679 callout_stop(&state->ks_timeout);
984263bc
MD		 680
681 if (state->ks_ifstate & INTRENABLED)
682 ukbd_enable_intr(kbd, FALSE, NULL);
683 if (state->ks_ifstate & INTRENABLED) {
4e01b467 684 crit_exit();
984263bc
MD		 685 DPRINTF(("ukbd_term: INTRENABLED!\n"));
686 return ENXIO;
687 }
688
689 error = kbd_unregister(kbd);
690 DPRINTF(("ukbd_term: kbd_unregister() %d\n", error));
691 if (error == 0) {
692 kbd->kb_flags = 0;
693 if (kbd != &default_kbd) {
efda3bd0
MD		 694 kfree(kbd->kb_keymap, M_DEVBUF);
695 kfree(kbd->kb_accentmap, M_DEVBUF);
696 kfree(kbd->kb_fkeytab, M_DEVBUF);
697 kfree(state, M_DEVBUF);
698 kfree(kbd, M_DEVBUF);
984263bc
MD		 699 }
700 }
4e01b467 701 crit_exit();
984263bc
MD		 702 return error;
703}
704
0abf15af
MD		 705/*
706 * Finish using the default keyboard. Shutdown the USB side of the keyboard
707 * but do not unregister it.
708 */
6ed427ca 709static int
0abf15af
MD		 710ukbd_default_term(keyboard_t *kbd)
711{
712 ukbd_state_t *state;
0abf15af 713
4e01b467 714 crit_enter();
0abf15af
MD		 715
716 state = (ukbd_state_t *)kbd->kb_data;
717 DPRINTF(("ukbd_default_term: ks_ifstate=0x%x\n", state->ks_ifstate));
718
ee332a5a 719 callout_stop(&state->ks_timeout);
0abf15af
MD		 720
721 if (state->ks_ifstate & INTRENABLED)
722 ukbd_enable_intr(kbd, FALSE, NULL);
723 if (state->ks_ifstate & INTRENABLED) {
4e01b467 724 crit_exit();
0abf15af
MD		 725 DPRINTF(("ukbd_term: INTRENABLED!\n"));
726 return ENXIO;
727 }
728 KBD_LOST_DEVICE(kbd);
729 KBD_LOST_PROBE(kbd);
730 KBD_LOST_INIT(kbd);
4e01b467 731 crit_exit();
0abf15af
MD		 732 return (0);
733}
984263bc
MD		 734
735/* keyboard interrupt routine */
736
6ed427ca 737static void
984263bc
MD		 738ukbd_timeout(void *arg)
739{
740 keyboard_t *kbd;
741 ukbd_state_t *state;
984263bc
MD		 742
743 kbd = (keyboard_t *)arg;
744 state = (ukbd_state_t *)kbd->kb_data;
4e01b467 745 crit_enter();
984263bc 746 (*kbdsw[kbd->kb_index]->intr)(kbd, (void *)USBD_NORMAL_COMPLETION);
ee332a5a 747 callout_reset(&state->ks_timeout, hz / 40, ukbd_timeout, arg);
4e01b467 748 crit_exit();
984263bc
MD		 749}
750
6ed427ca 751static int
984263bc
MD		 752ukbd_interrupt(keyboard_t *kbd, void *arg)
753{
754 usbd_status status = (usbd_status)arg;
1550dfd9
MD		 755 ukbd_state_t *state;
756 struct ukbd_data *ud;
984263bc
MD		 757 struct timeval tv;
758 u_long now;
759 int mod, omod;
760 int key, c;
761 int i, j;
762
984263bc
MD		 763 DPRINTFN(5, ("ukbd_intr: status=%d\n", status));
764 if (status == USBD_CANCELLED)
765 return 0;
766
1550dfd9
MD		 767 state = (ukbd_state_t *)kbd->kb_data;
768 ud = &state->ks_ndata;
769
984263bc
MD		 770 if (status != USBD_NORMAL_COMPLETION) {
771 DPRINTF(("ukbd_intr: status=%d\n", status));
1550dfd9
MD		 772 if (status == USBD_STALLED)
773 usbd_clear_endpoint_stall_async(state->ks_intrpipe);
984263bc
MD		 774 return 0;
775 }
776
777 if (ud->keycode[0] == KEY_ERROR)
778 return 0; /* ignore */
779
780 getmicrouptime(&tv);
781 now = (u_long)tv.tv_sec*1000 + (u_long)tv.tv_usec/1000;
782
1550dfd9
MD		 783#define ADDKEY1(c) \
784 if (state->ks_inputs < INPUTBUFSIZE) { \
785 state->ks_input[state->ks_inputtail] = (c); \
786 ++state->ks_inputs; \
787 state->ks_inputtail = (state->ks_inputtail + 1)%INPUTBUFSIZE; \
788 }
789
984263bc
MD		 790 mod = ud->modifiers;
791 omod = state->ks_odata.modifiers;
792 if (mod != omod) {
793 for (i = 0; i < NMOD; i++)
1550dfd9 794 if (( mod & ukbd_mods[i].mask) !=
984263bc 795 (omod & ukbd_mods[i].mask))
1550dfd9
MD		 796 ADDKEY1(ukbd_mods[i].key |
797 (mod & ukbd_mods[i].mask
984263bc
MD		 798 ? KEY_PRESS : KEY_RELEASE));
799 }
800
801 /* Check for released keys. */
802 for (i = 0; i < NKEYCODE; i++) {
803 key = state->ks_odata.keycode[i];
804 if (key == 0)
32930970 805 continue;
984263bc
MD		 806 for (j = 0; j < NKEYCODE; j++) {
807 if (ud->keycode[j] == 0)
32930970 808 continue;
984263bc
MD		 809 if (key == ud->keycode[j])
810 goto rfound;
811 }
812 ADDKEY1(key | KEY_RELEASE);
813 rfound:
814 ;
815 }
1550dfd9 816
984263bc
MD		 817 /* Check for pressed keys. */
818 for (i = 0; i < NKEYCODE; i++) {
819 key = ud->keycode[i];
820 if (key == 0)
32930970 821 continue;
984263bc
MD		 822 state->ks_ntime[i] = now + kbd->kb_delay1;
823 for (j = 0; j < NKEYCODE; j++) {
824 if (state->ks_odata.keycode[j] == 0)
32930970 825 continue;
984263bc
MD		 826 if (key == state->ks_odata.keycode[j]) {
827 state->ks_ntime[i] = state->ks_otime[j];
828 if (state->ks_otime[j] > now)
829 goto pfound;
830 state->ks_ntime[i] = now + kbd->kb_delay2;
831 break;
832 }
833 }
834 ADDKEY1(key | KEY_PRESS);
835 pfound:
836 ;
837 }
838
839 state->ks_odata = *ud;
840 bcopy(state->ks_ntime, state->ks_otime, sizeof(state->ks_ntime));
841 if (state->ks_inputs <= 0)
842 return 0;
843
844#ifdef USB_DEBUG
845 for (i = state->ks_inputhead, j = 0; j < state->ks_inputs; ++j,
846 i = (i + 1)%INPUTBUFSIZE) {
847 c = state->ks_input[i];
848 DPRINTF(("0x%x (%d) %s\n", c, c,
849 (c & KEY_RELEASE) ? "released":"pressed"));
850 }
851 if (ud->modifiers)
852 DPRINTF(("mod:0x%04x ", ud->modifiers));
853 for (i = 0; i < NKEYCODE; i++) {
854 if (ud->keycode[i])
855 DPRINTF(("%d ", ud->keycode[i]));
856 }
857 DPRINTF(("\n"));
858#endif /* USB_DEBUG */
859
860 if (state->ks_polling)
861 return 0;
862
863 if (KBD_IS_ACTIVE(kbd) && KBD_IS_BUSY(kbd)) {
864 /* let the callback function to process the input */
865 (*kbd->kb_callback.kc_func)(kbd, KBDIO_KEYINPUT,
866 kbd->kb_callback.kc_arg);
867 } else {
868 /* read and discard the input; no one is waiting for it */
869 do {
870 c = ukbd_read_char(kbd, FALSE);
871 } while (c != NOKEY);
872 }
873
874 return 0;
875}
876
6ed427ca 877static int
984263bc
MD		 878ukbd_getc(ukbd_state_t *state)
879{
880 int c;
984263bc
MD		 881
882 if (state->ks_polling) {
883 DPRINTFN(1,("ukbd_getc: polling\n"));
4e01b467 884 crit_enter();
984263bc
MD		 885 while (state->ks_inputs <= 0)
886 usbd_dopoll(state->ks_iface);
4e01b467 887 crit_exit();
984263bc 888 }
4e01b467 889 crit_enter();
984263bc
MD		 890 if (state->ks_inputs <= 0) {
891 c = -1;
892 } else {
893 c = state->ks_input[state->ks_inputhead];
894 --state->ks_inputs;
895 state->ks_inputhead = (state->ks_inputhead + 1)%INPUTBUFSIZE;
896 }
4e01b467 897 crit_exit();
984263bc
MD		 898 return c;
899}
900
901/* test the interface to the device */
6ed427ca 902static int
984263bc
MD		 903ukbd_test_if(keyboard_t *kbd)
904{
905 return 0;
906}
907
1550dfd9 908/*
984263bc
MD		 909 * Enable the access to the device; until this function is called,
910 * the client cannot read from the keyboard.
911 */
6ed427ca 912static int
984263bc
MD		 913ukbd_enable(keyboard_t *kbd)
914{
4e01b467 915 crit_enter();
984263bc 916 KBD_ACTIVATE(kbd);
4e01b467 917 crit_exit();
984263bc
MD		 918 return 0;
919}
920
921/* disallow the access to the device */
6ed427ca 922static int
984263bc
MD		 923ukbd_disable(keyboard_t *kbd)
924{
4e01b467 925 crit_enter();
984263bc 926 KBD_DEACTIVATE(kbd);
4e01b467 927 crit_exit();
984263bc
MD		 928 return 0;
929}
930
931/* read one byte from the keyboard if it's allowed */
6ed427ca 932static int
984263bc
MD		 933ukbd_read(keyboard_t *kbd, int wait)
934{
935 ukbd_state_t *state;
936 int usbcode;
937#ifdef UKBD_EMULATE_ATSCANCODE
938 int keycode;
939 int scancode;
940#endif
941
942 state = (ukbd_state_t *)kbd->kb_data;
943#ifdef UKBD_EMULATE_ATSCANCODE
944 if (state->ks_buffered_char[0]) {
945 scancode = state->ks_buffered_char[0];
946 if (scancode & SCAN_PREFIX) {
947 state->ks_buffered_char[0] = scancode & ~SCAN_PREFIX;
948 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
949 } else {
950 state->ks_buffered_char[0] = state->ks_buffered_char[1];
951 state->ks_buffered_char[1] = 0;
952 return scancode;
953 }
954 }
955#endif /* UKBD_EMULATE_ATSCANCODE */
956
957 /* XXX */
958 usbcode = ukbd_getc(state);
0abf15af 959 if (!KBD_IS_ACTIVE(kbd) || !KBD_HAS_DEVICE(kbd) || (usbcode == -1))
984263bc
MD		 960 return -1;
961 ++kbd->kb_count;
962#ifdef UKBD_EMULATE_ATSCANCODE
963 keycode = ukbd_trtab[KEY_INDEX(usbcode)];
964 if (keycode == NN)
965 return -1;
966
967 scancode = keycode2scancode(keycode, state->ks_ndata.modifiers,
968 usbcode & KEY_RELEASE);
969 if (scancode & SCAN_PREFIX) {
970 if (scancode & SCAN_PREFIX_CTL) {
1550dfd9 971 state->ks_buffered_char[0] =
984263bc
MD		 972 0x1d | (scancode & SCAN_RELEASE); /* Ctrl */
973 state->ks_buffered_char[1] = scancode & ~SCAN_PREFIX;
974 } else if (scancode & SCAN_PREFIX_SHIFT) {
1550dfd9 975 state->ks_buffered_char[0] =
984263bc 976 0x2a | (scancode & SCAN_RELEASE); /* Shift */
1550dfd9 977 state->ks_buffered_char[1] =
984263bc
MD		 978 scancode & ~SCAN_PREFIX_SHIFT;
979 } else {
980 state->ks_buffered_char[0] = scancode & ~SCAN_PREFIX;
981 state->ks_buffered_char[1] = 0;
982 }
983 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
984 }
985 return scancode;
986#else /* !UKBD_EMULATE_ATSCANCODE */
987 return usbcode;
988#endif /* UKBD_EMULATE_ATSCANCODE */
989}
990
991/* check if data is waiting */
6ed427ca 992static int
984263bc
MD		 993ukbd_check(keyboard_t *kbd)
994{
0abf15af 995 if (!KBD_IS_ACTIVE(kbd) || !KBD_HAS_DEVICE(kbd))
984263bc
MD		 996 return FALSE;
997#ifdef UKBD_EMULATE_ATSCANCODE
998 if (((ukbd_state_t *)kbd->kb_data)->ks_buffered_char[0])
999 return TRUE;
1000#endif
1001 if (((ukbd_state_t *)kbd->kb_data)->ks_inputs > 0)
1002 return TRUE;
1003 return FALSE;
1004}
1005
1006/* read char from the keyboard */
6ed427ca 1007static u_int
984263bc
MD		 1008ukbd_read_char(keyboard_t *kbd, int wait)
1009{
1010 ukbd_state_t *state;
1011 u_int action;
1012 int usbcode;
1013 int keycode;
1014#ifdef UKBD_EMULATE_ATSCANCODE
1015 int scancode;
1016#endif
1017
1018 state = (ukbd_state_t *)kbd->kb_data;
1019next_code:
1020 /* do we have a composed char to return? */
1021 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) {
1022 action = state->ks_composed_char;
1023 state->ks_composed_char = 0;
1024 if (action > UCHAR_MAX)
1025 return ERRKEY;
1026 return action;
1027 }
1028
1029#ifdef UKBD_EMULATE_ATSCANCODE
1030 /* do we have a pending raw scan code? */
1031 if (state->ks_mode == K_RAW) {
1032 if (state->ks_buffered_char[0]) {
1033 scancode = state->ks_buffered_char[0];
1034 if (scancode & SCAN_PREFIX) {
1035 state->ks_buffered_char[0] =
1036 scancode & ~SCAN_PREFIX;
1037 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
1038 } else {
1039 state->ks_buffered_char[0] =
1040 state->ks_buffered_char[1];
1041 state->ks_buffered_char[1] = 0;
1042 return scancode;
1043 }
1044 }
1045 }
1046#endif /* UKBD_EMULATE_ATSCANCODE */
1047
1048 /* see if there is something in the keyboard port */
1049 /* XXX */
1050 usbcode = ukbd_getc(state);
1051 if (usbcode == -1)
1052 return NOKEY;
1053 ++kbd->kb_count;
1054
1055#ifdef UKBD_EMULATE_ATSCANCODE
1056 /* USB key index -> key code -> AT scan code */
1057 keycode = ukbd_trtab[KEY_INDEX(usbcode)];
1058 if (keycode == NN)
1059 return NOKEY;
1060
1061 /* return an AT scan code for the K_RAW mode */
1062 if (state->ks_mode == K_RAW) {
1063 scancode = keycode2scancode(keycode, state->ks_ndata.modifiers,
1064 usbcode & KEY_RELEASE);
1065 if (scancode & SCAN_PREFIX) {
1066 if (scancode & SCAN_PREFIX_CTL) {
1550dfd9 1067 state->ks_buffered_char[0] =
984263bc
MD		 1068 0x1d | (scancode & SCAN_RELEASE);
1069 state->ks_buffered_char[1] =
1070 scancode & ~SCAN_PREFIX;
1071 } else if (scancode & SCAN_PREFIX_SHIFT) {
1550dfd9 1072 state->ks_buffered_char[0] =
984263bc
MD		 1073 0x2a | (scancode & SCAN_RELEASE);
1074 state->ks_buffered_char[1] =
1075 scancode & ~SCAN_PREFIX_SHIFT;
1076 } else {
1077 state->ks_buffered_char[0] =
1078 scancode & ~SCAN_PREFIX;
1079 state->ks_buffered_char[1] = 0;
1080 }
1081 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
1082 }
1083 return scancode;
1084 }
1085#else /* !UKBD_EMULATE_ATSCANCODE */
1086 /* return the byte as is for the K_RAW mode */
1087 if (state->ks_mode == K_RAW)
1088 return usbcode;
1089
1090 /* USB key index -> key code */
1091 keycode = ukbd_trtab[KEY_INDEX(usbcode)];
1092 if (keycode == NN)
1093 return NOKEY;
1094#endif /* UKBD_EMULATE_ATSCANCODE */
1095
1096 switch (keycode) {
1097 case 0x38: /* left alt (compose key) */
1098 if (usbcode & KEY_RELEASE) {
1099 if (state->ks_flags & COMPOSE) {
1100 state->ks_flags &= ~COMPOSE;
1101 if (state->ks_composed_char > UCHAR_MAX)
1102 state->ks_composed_char = 0;
1103 }
1104 } else {
1105 if (!(state->ks_flags & COMPOSE)) {
1106 state->ks_flags |= COMPOSE;
1107 state->ks_composed_char = 0;
1108 }
1109 }
1110 break;
1111 /* XXX: I don't like these... */
1112 case 0x5c: /* print screen */
1113 if (state->ks_flags & ALTS)
1114 keycode = 0x54; /* sysrq */
1115 break;
1116 case 0x68: /* pause/break */
1117 if (state->ks_flags & CTLS)
1118 keycode = 0x6c; /* break */
1119 break;
1120 }
1121
1122 /* return the key code in the K_CODE mode */
1123 if (usbcode & KEY_RELEASE)
1124 keycode |= SCAN_RELEASE;
1125 if (state->ks_mode == K_CODE)
1126 return keycode;
1127
1128 /* compose a character code */
1129 if (state->ks_flags & COMPOSE) {
1130 switch (keycode) {
1131 /* key pressed, process it */
1132 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
1133 state->ks_composed_char *= 10;
1134 state->ks_composed_char += keycode - 0x40;
1135 if (state->ks_composed_char > UCHAR_MAX)
1136 return ERRKEY;
1137 goto next_code;
1138 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
1139 state->ks_composed_char *= 10;
1140 state->ks_composed_char += keycode - 0x47;
1141 if (state->ks_composed_char > UCHAR_MAX)
1142 return ERRKEY;
1143 goto next_code;
1144 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
1145 state->ks_composed_char *= 10;
1146 state->ks_composed_char += keycode - 0x4E;
1147 if (state->ks_composed_char > UCHAR_MAX)
1148 return ERRKEY;
1149 goto next_code;
1150 case 0x52: /* keypad 0 */
1151 state->ks_composed_char *= 10;
1152 if (state->ks_composed_char > UCHAR_MAX)
1153 return ERRKEY;
1154 goto next_code;
1155
1156 /* key released, no interest here */
1157 case SCAN_RELEASE | 0x47:
1158 case SCAN_RELEASE | 0x48:
1159 case SCAN_RELEASE | 0x49: /* keypad 7,8,9 */
1160 case SCAN_RELEASE | 0x4B:
1161 case SCAN_RELEASE | 0x4C:
1162 case SCAN_RELEASE | 0x4D: /* keypad 4,5,6 */
1163 case SCAN_RELEASE | 0x4F:
1164 case SCAN_RELEASE | 0x50:
1165 case SCAN_RELEASE | 0x51: /* keypad 1,2,3 */
1166 case SCAN_RELEASE | 0x52: /* keypad 0 */
1167 goto next_code;
1168
1169 case 0x38: /* left alt key */
1170 break;
1171
1172 default:
1173 if (state->ks_composed_char > 0) {
1174 state->ks_flags &= ~COMPOSE;
1175 state->ks_composed_char = 0;
1176 return ERRKEY;
1177 }
1178 break;
1179 }
1180 }
1181
1182 /* keycode to key action */
1183 action = genkbd_keyaction(kbd, SCAN_CHAR(keycode),
1184 keycode & SCAN_RELEASE, &state->ks_state,
1185 &state->ks_accents);
1186 if (action == NOKEY)
1187 goto next_code;
1188 else
1189 return action;
1190}
1191
1192/* check if char is waiting */
6ed427ca 1193static int
984263bc
MD		 1194ukbd_check_char(keyboard_t *kbd)
1195{
1196 ukbd_state_t *state;
1197
0abf15af 1198 if (!KBD_IS_ACTIVE(kbd) || !KBD_HAS_DEVICE(kbd))
984263bc
MD		 1199 return FALSE;
1200 state = (ukbd_state_t *)kbd->kb_data;
1201 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0))
1202 return TRUE;
8ddb2073 1203 return (ukbd_check(kbd));
984263bc
MD		 1204}
1205
1206/* some useful control functions */
6ed427ca 1207static int
984263bc
MD		 1208ukbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
1209{
1210 /* trasnlate LED_XXX bits into the device specific bits */
1211 static u_char ledmap[8] = {
1212 0, 2, 1, 3, 4, 6, 5, 7,
1213 };
1214 ukbd_state_t *state = kbd->kb_data;
984263bc
MD		 1215 int i;
1216
4e01b467 1217 crit_enter();
984263bc 1218 switch (cmd) {
984263bc
MD		 1219 case KDGKBMODE: /* get keyboard mode */
1220 *(int *)arg = state->ks_mode;
1221 break;
1222 case KDSKBMODE: /* set keyboard mode */
1223 switch (*(int *)arg) {
1224 case K_XLATE:
1225 if (state->ks_mode != K_XLATE) {
1226 /* make lock key state and LED state match */
1227 state->ks_state &= ~LOCK_MASK;
1228 state->ks_state |= KBD_LED_VAL(kbd);
1229 }
1550dfd9 1230 /* FALLTHROUGH */
984263bc
MD		 1231 case K_RAW:
1232 case K_CODE:
1233 if (state->ks_mode != *(int *)arg) {
1234 ukbd_clear_state(kbd);
1235 state->ks_mode = *(int *)arg;
fcd74d1b 1236 kbd->kb_savemode = state->ks_mode;
984263bc
MD		 1237 }
1238 break;
1239 default:
4e01b467 1240 crit_exit();
984263bc
MD		 1241 return EINVAL;
1242 }
1243 break;
1244
1245 case KDGETLED: /* get keyboard LED */
1246 *(int *)arg = KBD_LED_VAL(kbd);
1247 break;
1248 case KDSETLED: /* set keyboard LED */
1249 /* NOTE: lock key state in ks_state won't be changed */
1250 if (*(int *)arg & ~LOCK_MASK) {
4e01b467 1251 crit_exit();
984263bc
MD		 1252 return EINVAL;
1253 }
1254 i = *(int *)arg;
1255 /* replace CAPS LED with ALTGR LED for ALTGR keyboards */
1256 if (kbd->kb_keymap->n_keys > ALTGR_OFFSET) {
1257 if (i & ALKED)
1258 i |= CLKED;
1259 else
1260 i &= ~CLKED;
1261 }
1262 if (KBD_HAS_DEVICE(kbd)) {
1263 set_leds(state, ledmap[i & LED_MASK]);
1264 /* XXX: error check? */
1265 }
1266 KBD_LED_VAL(kbd) = *(int *)arg;
1267 break;
1268
1269 case KDGKBSTATE: /* get lock key state */
1270 *(int *)arg = state->ks_state & LOCK_MASK;
1271 break;
1272 case KDSKBSTATE: /* set lock key state */
1273 if (*(int *)arg & ~LOCK_MASK) {
4e01b467 1274 crit_exit();
984263bc
MD		 1275 return EINVAL;
1276 }
1277 state->ks_state &= ~LOCK_MASK;
1278 state->ks_state |= *(int *)arg;
4e01b467 1279 crit_exit();
984263bc
MD		 1280 /* set LEDs and quit */
1281 return ukbd_ioctl(kbd, KDSETLED, arg);
1282
1283 case KDSETREPEAT: /* set keyboard repeat rate (new interface) */
4e01b467 1284 crit_exit();
984263bc
MD		 1285 if (!KBD_HAS_DEVICE(kbd))
1286 return 0;
1287 if (((int *)arg)[1] < 0)
1288 return EINVAL;
1289 if (((int *)arg)[0] < 0)
1290 return EINVAL;
1291 else if (((int *)arg)[0] == 0) /* fastest possible value */
1292 kbd->kb_delay1 = 200;
1293 else
1294 kbd->kb_delay1 = ((int *)arg)[0];
1295 kbd->kb_delay2 = ((int *)arg)[1];
1296 return 0;
1297
1298 case KDSETRAD: /* set keyboard repeat rate (old interface) */
4e01b467 1299 crit_exit();
984263bc
MD		 1300 return set_typematic(kbd, *(int *)arg);
1301
1302 case PIO_KEYMAP: /* set keyboard translation table */
1303 case PIO_KEYMAPENT: /* set keyboard translation table entry */
1304 case PIO_DEADKEYMAP: /* set accent key translation table */
1305 state->ks_accents = 0;
1550dfd9 1306 /* FALLTHROUGH */
984263bc 1307 default:
4e01b467 1308 crit_exit();
984263bc
MD		 1309 return genkbd_commonioctl(kbd, cmd, arg);
1310
1311#ifdef USB_DEBUG
1312 case USB_SETDEBUG:
1313 ukbddebug = *(int *)arg;
1314 break;
1315#endif
1316 }
1317
4e01b467 1318 crit_exit();
984263bc
MD		 1319 return 0;
1320}
1321
1322/* lock the access to the keyboard */
6ed427ca 1323static int
984263bc
MD		 1324ukbd_lock(keyboard_t *kbd, int lock)
1325{
1326 /* XXX ? */
1327 return TRUE;
1328}
1329
1330/* clear the internal state of the keyboard */
6ed427ca 1331static void
984263bc
MD		 1332ukbd_clear_state(keyboard_t *kbd)
1333{
1334 ukbd_state_t *state;
1335
1336 state = (ukbd_state_t *)kbd->kb_data;
1337 state->ks_flags = 0;
1338 state->ks_polling = 0;
1339 state->ks_state &= LOCK_MASK; /* preserve locking key state */
1340 state->ks_accents = 0;
1341 state->ks_composed_char = 0;
1342#ifdef UKBD_EMULATE_ATSCANCODE
1343 state->ks_buffered_char[0] = 0;
1344 state->ks_buffered_char[1] = 0;
1345#endif
1346 bzero(&state->ks_ndata, sizeof(state->ks_ndata));
1347 bzero(&state->ks_odata, sizeof(state->ks_odata));
1348 bzero(&state->ks_ntime, sizeof(state->ks_ntime));
1349 bzero(&state->ks_otime, sizeof(state->ks_otime));
1350}
1351
1352/* save the internal state */
6ed427ca 1353static int
984263bc
MD		 1354ukbd_get_state(keyboard_t *kbd, void *buf, size_t len)
1355{
1356 if (len == 0)
1357 return sizeof(ukbd_state_t);
1358 if (len < sizeof(ukbd_state_t))
1359 return -1;
1360 bcopy(kbd->kb_data, buf, sizeof(ukbd_state_t));
1361 return 0;
1362}
1363
1364/* set the internal state */
6ed427ca 1365static int
984263bc
MD		 1366ukbd_set_state(keyboard_t *kbd, void *buf, size_t len)
1367{
1368 if (len < sizeof(ukbd_state_t))
1369 return ENOMEM;
1370 bcopy(buf, kbd->kb_data, sizeof(ukbd_state_t));
1371 return 0;
1372}
1373
6ed427ca 1374static int
984263bc
MD		 1375ukbd_poll(keyboard_t *kbd, int on)
1376{
1377 ukbd_state_t *state;
1550dfd9 1378 usbd_device_handle dev;
984263bc
MD		 1379
1380 state = (ukbd_state_t *)kbd->kb_data;
1550dfd9 1381 usbd_interface2device_handle(state->ks_iface, &dev);
984263bc 1382
4e01b467 1383 crit_enter();
984263bc
MD		 1384 if (on) {
1385 if (state->ks_polling == 0)
1550dfd9 1386 usbd_set_polling(dev, on);
984263bc
MD		 1387 ++state->ks_polling;
1388 } else {
1389 --state->ks_polling;
1390 if (state->ks_polling == 0)
1550dfd9 1391 usbd_set_polling(dev, on);
984263bc 1392 }
4e01b467 1393 crit_exit();
984263bc
MD		 1394 return 0;
1395}
1396
1397/* local functions */
1398
6ed427ca 1399static int
984263bc
MD		 1400probe_keyboard(struct usb_attach_arg *uaa, int flags)
1401{
1402 usb_interface_descriptor_t *id;
1550dfd9 1403
984263bc
MD		 1404 if (!uaa->iface) /* we attach to ifaces only */
1405 return EINVAL;
1406
1407 /* Check that this is a keyboard that speaks the boot protocol. */
1408 id = usbd_get_interface_descriptor(uaa->iface);
1409 if (id
1410 && id->bInterfaceClass == UICLASS_HID
1411 && id->bInterfaceSubClass == UISUBCLASS_BOOT
1412 && id->bInterfaceProtocol == UPROTO_BOOT_KEYBOARD)
1413 return 0; /* found it */
1414
1415 return EINVAL;
1416}
1417
6ed427ca 1418static int
984263bc
MD		 1419init_keyboard(ukbd_state_t *state, int *type, int flags)
1420{
1421 usb_endpoint_descriptor_t *ed;
1422 usbd_status err;
1550dfd9 1423
984263bc
MD		 1424 *type = KB_OTHER;
1425
1426 state->ks_ifstate |= DISCONNECTED;
1427
1428 ed = usbd_interface2endpoint_descriptor(state->ks_iface, 0);
1429 if (!ed) {
e3869ec7 1430 kprintf("ukbd: could not read endpoint descriptor\n");
984263bc
MD		 1431 return EIO;
1432 }
1433
1434 DPRINTFN(10,("ukbd:init_keyboard: \
1435bLength=%d bDescriptorType=%d bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d bInterval=%d\n",
1436 ed->bLength, ed->bDescriptorType,
1437 UE_GET_ADDR(ed->bEndpointAddress),
1438 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN ? "in":"out",
1439 UE_GET_XFERTYPE(ed->bmAttributes),
1440 UGETW(ed->wMaxPacketSize), ed->bInterval));
1441
1442 if (UE_GET_DIR(ed->bEndpointAddress) != UE_DIR_IN ||
1443 UE_GET_XFERTYPE(ed->bmAttributes) != UE_INTERRUPT) {
e3869ec7 1444 kprintf("ukbd: unexpected endpoint\n");
984263bc
MD		 1445 return EINVAL;
1446 }
1447
1448 if ((usbd_get_quirks(state->ks_uaa->device)->uq_flags & UQ_NO_SET_PROTO) == 0) {
1449 err = usbd_set_protocol(state->ks_iface, 0);
1450 DPRINTFN(5, ("ukbd:init_keyboard: protocol set\n"));
1451 if (err) {
e3869ec7 1452 kprintf("ukbd: set protocol failed\n");
984263bc
MD		 1453 return EIO;
1454 }
1455 }
1456 /* Ignore if SETIDLE fails since it is not crucial. */
1457 usbd_set_idle(state->ks_iface, 0, 0);
1458
1459 state->ks_ep_addr = ed->bEndpointAddress;
1460 state->ks_ifstate &= ~DISCONNECTED;
1461
1462 return 0;
1463}
1464
6ed427ca 1465static void
984263bc
MD		 1466set_leds(ukbd_state_t *state, int leds)
1467{
1468 u_int8_t res = leds;
1469
1470 DPRINTF(("ukbd:set_leds: state=%p leds=%d\n", state, leds));
1471
1472 usbd_set_report_async(state->ks_iface, UHID_OUTPUT_REPORT, 0, &res, 1);
1473}
1474
6ed427ca 1475static int
984263bc
MD		 1476set_typematic(keyboard_t *kbd, int code)
1477{
1478 static int delays[] = { 250, 500, 750, 1000 };
1479 static int rates[] = { 34, 38, 42, 46, 50, 55, 59, 63,
1480 68, 76, 84, 92, 100, 110, 118, 126,
1481 136, 152, 168, 184, 200, 220, 236, 252,
1482 272, 304, 336, 368, 400, 440, 472, 504 };
1483
1484 if (code & ~0x7f)
1485 return EINVAL;
1486 kbd->kb_delay1 = delays[(code >> 5) & 3];
1487 kbd->kb_delay2 = rates[code & 0x1f];
1488 return 0;
1489}
1490
1491#ifdef UKBD_EMULATE_ATSCANCODE
6ed427ca 1492static int
984263bc
MD		 1493keycode2scancode(int keycode, int shift, int up)
1494{
1495 static int scan[] = {
1550dfd9 1496 0x1c, 0x1d, 0x35,
984263bc 1497 0x37 | SCAN_PREFIX_SHIFT, /* PrintScreen */
1550dfd9
MD		 1498 0x38, 0x47, 0x48, 0x49, 0x4b, 0x4d, 0x4f,
1499 0x50, 0x51, 0x52, 0x53,
984263bc
MD		 1500 0x46, /* XXX Pause/Break */
1501 0x5b, 0x5c, 0x5d,
1502 };
1503 int scancode;
1504
1505 scancode = keycode;
1506 if ((keycode >= 89) && (keycode < 89 + sizeof(scan)/sizeof(scan[0])))
1507 scancode = scan[keycode - 89] | SCAN_PREFIX_E0;
1508 /* Pause/Break */
1509 if ((keycode == 104) && !(shift & (MOD_CONTROL_L | MOD_CONTROL_R)))
1510 scancode = 0x45 | SCAN_PREFIX_E1 | SCAN_PREFIX_CTL;
1511 if (shift & (MOD_SHIFT_L | MOD_SHIFT_R))
1512 scancode &= ~SCAN_PREFIX_SHIFT;
1513 return (scancode | (up ? SCAN_RELEASE : SCAN_PRESS));
1514}
1515#endif /* UKBD_EMULATE_ATSCANCODE */
1516
6ed427ca 1517static int
984263bc
MD		 1518ukbd_driver_load(module_t mod, int what, void *arg)
1519{
1520 switch (what) {
1521 case MOD_LOAD:
1522 kbd_add_driver(&ukbd_kbd_driver);
1523 break;
1524 case MOD_UNLOAD:
1525 kbd_delete_driver(&ukbd_kbd_driver);
1526 break;
1527 }
1528 return usbd_driver_load(mod, what, 0);
1529}
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