Bug Summary

File:dev/wscons/wskbd.c
Warning:line 1821, column 30
Access to field 'sc_audiocookie' results in a dereference of a null pointer (loaded from variable 'sc')

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.4 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name wskbd.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -ffp-contract=on -fno-rounding-math -mconstructor-aliases -ffreestanding -mcmodel=kernel -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -target-feature -sse2 -target-feature -sse -target-feature -3dnow -target-feature -mmx -target-feature +save-args -target-feature +retpoline-external-thunk -disable-red-zone -no-implicit-float -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -nostdsysteminc -nobuiltininc -resource-dir /usr/local/llvm16/lib/clang/16 -I /usr/src/sys -I /usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -I /usr/src/sys/arch -I /usr/src/sys/dev/pci/drm/include -I /usr/src/sys/dev/pci/drm/include/uapi -I /usr/src/sys/dev/pci/drm/amd/include/asic_reg -I /usr/src/sys/dev/pci/drm/amd/include -I /usr/src/sys/dev/pci/drm/amd/amdgpu -I /usr/src/sys/dev/pci/drm/amd/display -I /usr/src/sys/dev/pci/drm/amd/display/include -I /usr/src/sys/dev/pci/drm/amd/display/dc -I /usr/src/sys/dev/pci/drm/amd/display/amdgpu_dm -I /usr/src/sys/dev/pci/drm/amd/pm/inc -I /usr/src/sys/dev/pci/drm/amd/pm/legacy-dpm -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu11 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu12 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu13 -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/inc -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/hwmgr -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/smumgr -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc/pmfw_if -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc/hw -I /usr/src/sys/dev/pci/drm/amd/display/dc/clk_mgr -I /usr/src/sys/dev/pci/drm/amd/display/modules/inc -I /usr/src/sys/dev/pci/drm/amd/display/modules/hdcp -I /usr/src/sys/dev/pci/drm/amd/display/dmub/inc -I /usr/src/sys/dev/pci/drm/i915 -D DDB -D DIAGNOSTIC -D KTRACE -D ACCOUNTING -D KMEMSTATS -D PTRACE -D POOL_DEBUG -D CRYPTO -D SYSVMSG -D SYSVSEM -D SYSVSHM -D UVM_SWAP_ENCRYPT -D FFS -D FFS2 -D FFS_SOFTUPDATES -D UFS_DIRHASH -D QUOTA -D EXT2FS -D MFS -D NFSCLIENT -D NFSSERVER -D CD9660 -D UDF -D MSDOSFS -D FIFO -D FUSE -D SOCKET_SPLICE -D TCP_ECN -D TCP_SIGNATURE -D INET6 -D IPSEC -D PPP_BSDCOMP -D PPP_DEFLATE -D PIPEX -D MROUTING -D MPLS -D BOOT_CONFIG -D USER_PCICONF -D APERTURE -D MTRR -D NTFS -D SUSPEND -D HIBERNATE -D PCIVERBOSE -D USBVERBOSE -D WSDISPLAY_COMPAT_USL -D WSDISPLAY_COMPAT_RAWKBD -D WSDISPLAY_DEFAULTSCREENS=6 -D X86EMU -D ONEWIREVERBOSE -D MULTIPROCESSOR -D MAXUSERS=80 -D _KERNEL -O2 -Wno-pointer-sign -Wno-address-of-packed-member -Wno-constant-conversion -Wno-unused-but-set-variable -Wno-gnu-folding-constant -fdebug-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fcf-protection=branch -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -o /home/ben/Projects/scan/2024-01-11-110808-61670-1 -x c /usr/src/sys/dev/wscons/wskbd.c
1/* $OpenBSD: wskbd.c,v 1.117 2023/11/23 15:02:57 deraadt Exp $ */
2/* $NetBSD: wskbd.c,v 1.80 2005/05/04 01:52:16 augustss Exp $ */
3
4/*
5 * Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved.
6 *
7 * Keysym translator:
8 * Contributed to The NetBSD Foundation by Juergen Hannken-Illjes.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Christopher G. Demetriou
21 * for the NetBSD Project.
22 * 4. The name of the author may not be used to endorse or promote products
23 * derived from this software without specific prior written permission
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
30 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37/*
38 * Copyright (c) 1992, 1993
39 * The Regents of the University of California. All rights reserved.
40 *
41 * This software was developed by the Computer Systems Engineering group
42 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
43 * contributed to Berkeley.
44 *
45 * All advertising materials mentioning features or use of this software
46 * must display the following acknowledgement:
47 * This product includes software developed by the University of
48 * California, Lawrence Berkeley Laboratory.
49 *
50 * Redistribution and use in source and binary forms, with or without
51 * modification, are permitted provided that the following conditions
52 * are met:
53 * 1. Redistributions of source code must retain the above copyright
54 * notice, this list of conditions and the following disclaimer.
55 * 2. Redistributions in binary form must reproduce the above copyright
56 * notice, this list of conditions and the following disclaimer in the
57 * documentation and/or other materials provided with the distribution.
58 * 3. Neither the name of the University nor the names of its contributors
59 * may be used to endorse or promote products derived from this software
60 * without specific prior written permission.
61 *
62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72 * SUCH DAMAGE.
73 *
74 * @(#)kbd.c 8.2 (Berkeley) 10/30/93
75 */
76
77/*
78 * Keyboard driver (/dev/wskbd*). Translates incoming bytes to ASCII or
79 * to `wscons_events' and passes them up to the appropriate reader.
80 */
81
82#include <sys/param.h>
83#include <sys/conf.h>
84#include <sys/device.h>
85#include <sys/ioctl.h>
86#include <sys/kernel.h>
87#include <sys/proc.h>
88#include <sys/syslog.h>
89#include <sys/systm.h>
90#include <sys/timeout.h>
91#include <sys/malloc.h>
92#include <sys/tty.h>
93#include <sys/signalvar.h>
94#include <sys/errno.h>
95#include <sys/fcntl.h>
96#include <sys/vnode.h>
97#include <sys/task.h>
98
99#include <ddb/db_var.h>
100
101#include <dev/wscons/wscons_features.h>
102#include <dev/wscons/wsconsio.h>
103#include <dev/wscons/wskbdvar.h>
104#include <dev/wscons/wsksymdef.h>
105#include <dev/wscons/wsksymvar.h>
106#include <dev/wscons/wsdisplayvar.h>
107#include <dev/wscons/wseventvar.h>
108#include <dev/wscons/wscons_callbacks.h>
109
110#include "audio.h" /* NAUDIO (mixer tuning) */
111#include "wsdisplay.h"
112#include "wskbd.h"
113#include "wsmux.h"
114
115#if NWSDISPLAY1 > 0
116#include <sys/atomic.h>
117#endif
118
119#ifdef WSKBD_DEBUG
120#define DPRINTF(x) if (wskbddebug) printf x
121int wskbddebug = 0;
122#else
123#define DPRINTF(x)
124#endif
125
126#include <dev/wscons/wsmuxvar.h>
127
128struct wskbd_internal {
129 const struct wskbd_consops *t_consops;
130 void *t_consaccesscookie;
131
132 int t_modifiers;
133 int t_composelen; /* remaining entries in t_composebuf */
134 keysym_t t_composebuf[2];
135
136 int t_flags;
137#define WSKFL_METAESC1 1
138
139#define MAXKEYSYMSPERKEY2 2 /* ESC <key> at max */
140 keysym_t t_symbols[MAXKEYSYMSPERKEY2];
141
142 struct wskbd_softc *t_sc; /* back pointer */
143
144 struct wskbd_mapdata t_keymap; /* translation map table and
145 current layout */
146};
147
148struct wskbd_softc {
149 struct wsevsrc sc_base;
150
151 struct wskbd_internal *id;
152
153 const struct wskbd_accessops *sc_accessops;
154 void *sc_accesscookie;
155
156 int sc_ledstate;
157
158 int sc_isconsole;
159
160 struct wskbd_bell_data sc_bell_data;
161 struct wskbd_keyrepeat_data sc_keyrepeat_data;
162
163 int sc_repeating; /* we've called timeout() */
164 int sc_repkey;
165 struct timeout sc_repeat_ch;
166 u_int sc_repeat_type;
167 int sc_repeat_value;
168
169 int sc_translating; /* xlate to chars for emulation */
170
171 int sc_maplen; /* number of entries in sc_map */
172 struct wscons_keymap *sc_map; /* current translation map */
173
174 int sc_refcnt;
175 u_char sc_dying; /* device is being detached */
176
177#if NAUDIO1 > 0
178 void *sc_audiocookie;
179#endif
180 struct task sc_kbd_backlight_task;
181 u_int sc_kbd_backlight_cmd;
182#if NWSDISPLAY1 > 0
183 struct task sc_brightness_task;
184 int sc_brightness_steps;
185#endif
186};
187
188enum wskbd_kbd_backlight_cmds {
189 KBD_BACKLIGHT_NONE,
190 KBD_BACKLIGHT_UP,
191 KBD_BACKLIGHT_DOWN,
192 KBD_BACKLIGHT_TOGGLE,
193};
194
195#define MOD_SHIFT_L(1 << 0) (1 << 0)
196#define MOD_SHIFT_R(1 << 1) (1 << 1)
197#define MOD_SHIFTLOCK(1 << 2) (1 << 2)
198#define MOD_CAPSLOCK(1 << 3) (1 << 3)
199#define MOD_CONTROL_L(1 << 4) (1 << 4)
200#define MOD_CONTROL_R(1 << 5) (1 << 5)
201#define MOD_META_L(1 << 6) (1 << 6)
202#define MOD_META_R(1 << 7) (1 << 7)
203#define MOD_MODESHIFT(1 << 8) (1 << 8)
204#define MOD_NUMLOCK(1 << 9) (1 << 9)
205#define MOD_COMPOSE(1 << 10) (1 << 10)
206#define MOD_HOLDSCREEN(1 << 11) (1 << 11)
207#define MOD_COMMAND(1 << 12) (1 << 12)
208#define MOD_COMMAND1(1 << 13) (1 << 13)
209#define MOD_COMMAND2(1 << 14) (1 << 14)
210#define MOD_MODELOCK(1 << 15) (1 << 15)
211
212#define MOD_ANYSHIFT((1 << 0) | (1 << 1) | (1 << 2)) (MOD_SHIFT_L(1 << 0) | MOD_SHIFT_R(1 << 1) | MOD_SHIFTLOCK(1 << 2))
213#define MOD_ANYCONTROL((1 << 4) | (1 << 5)) (MOD_CONTROL_L(1 << 4) | MOD_CONTROL_R(1 << 5))
214#define MOD_ANYMETA((1 << 6) | (1 << 7)) (MOD_META_L(1 << 6) | MOD_META_R(1 << 7))
215#define MOD_ANYLED((1 << 2) | (1 << 3) | (1 << 9) | (1 <<
10) | (1 << 11)) (MOD_SHIFTLOCK(1 << 2) | MOD_CAPSLOCK(1 << 3) | MOD_NUMLOCK(1 << 9) | \
216 MOD_COMPOSE(1 << 10) | MOD_HOLDSCREEN(1 << 11))
217
218#define MOD_ONESET(id, mask)(((id)->t_modifiers & (mask)) != 0) (((id)->t_modifiers & (mask)) != 0)
219#define MOD_ALLSET(id, mask)(((id)->t_modifiers & (mask)) == (mask)) (((id)->t_modifiers & (mask)) == (mask))
220
221keysym_t ksym_upcase(keysym_t);
222
223int wskbd_match(struct device *, void *, void *);
224void wskbd_attach(struct device *, struct device *, void *);
225int wskbd_detach(struct device *, int);
226int wskbd_activate(struct device *, int);
227
228int wskbd_displayioctl(struct device *, u_long, caddr_t, int, struct proc *);
229int wskbd_displayioctl_sc(struct wskbd_softc *, u_long, caddr_t, int,
230 struct proc *, int);
231
232void update_leds(struct wskbd_internal *);
233void update_modifier(struct wskbd_internal *, u_int, int, int);
234int internal_command(struct wskbd_softc *, u_int *, keysym_t, keysym_t);
235int wskbd_translate(struct wskbd_internal *, u_int, int);
236int wskbd_enable(struct wskbd_softc *, int);
237void wskbd_debugger(struct wskbd_softc *);
238#if NWSDISPLAY1 > 0
239void change_displayparam(struct wskbd_softc *, int, int, int);
240#endif
241
242int wskbd_do_ioctl_sc(struct wskbd_softc *, u_long, caddr_t, int,
243 struct proc *, int);
244void wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value);
245
246#if NWSMUX1 > 0
247int wskbd_mux_open(struct wsevsrc *, struct wseventvar *);
248int wskbd_mux_close(struct wsevsrc *);
249#else
250#define wskbd_mux_open NULL((void *)0)
251#define wskbd_mux_close NULL((void *)0)
252#endif
253
254int wskbd_do_open(struct wskbd_softc *, struct wseventvar *);
255int wskbd_do_ioctl(struct device *, u_long, caddr_t, int, struct proc *);
256
257void wskbd_set_keymap(struct wskbd_softc *, struct wscons_keymap *, int);
258
259int (*wskbd_get_backlight)(struct wskbd_backlight *);
260int (*wskbd_set_backlight)(struct wskbd_backlight *);
261
262void wskbd_kbd_backlight_task(void *);
263#if NWSDISPLAY1 > 0
264void wskbd_brightness_task(void *);
265#endif
266
267struct cfdriver wskbd_cd = {
268 NULL((void *)0), "wskbd", DV_TTY
269};
270
271const struct cfattach wskbd_ca = {
272 sizeof (struct wskbd_softc), wskbd_match, wskbd_attach,
273 wskbd_detach, wskbd_activate
274};
275
276#if defined(__i386__) || defined(__amd64__1)
277extern int kbd_reset;
278#endif
279
280#ifndef WSKBD_DEFAULT_BELL_PITCH400
281#define WSKBD_DEFAULT_BELL_PITCH400 400 /* 400Hz */
282#endif
283#ifndef WSKBD_DEFAULT_BELL_PERIOD100
284#define WSKBD_DEFAULT_BELL_PERIOD100 100 /* 100ms */
285#endif
286#ifndef WSKBD_DEFAULT_BELL_VOLUME50
287#define WSKBD_DEFAULT_BELL_VOLUME50 50 /* 50% volume */
288#endif
289
290struct wskbd_bell_data wskbd_default_bell_data = {
291 WSKBD_BELL_DOALL0x7,
292 WSKBD_DEFAULT_BELL_PITCH400,
293 WSKBD_DEFAULT_BELL_PERIOD100,
294 WSKBD_DEFAULT_BELL_VOLUME50,
295};
296
297#ifndef WSKBD_DEFAULT_KEYREPEAT_DEL1400
298#define WSKBD_DEFAULT_KEYREPEAT_DEL1400 400 /* 400ms to start repeating */
299#endif
300#ifndef WSKBD_DEFAULT_KEYREPEAT_DELN100
301#define WSKBD_DEFAULT_KEYREPEAT_DELN100 100 /* 100ms to between repeats */
302#endif
303
304struct wskbd_keyrepeat_data wskbd_default_keyrepeat_data = {
305 WSKBD_KEYREPEAT_DOALL0x3,
306 WSKBD_DEFAULT_KEYREPEAT_DEL1400,
307 WSKBD_DEFAULT_KEYREPEAT_DELN100,
308};
309
310#if NWSMUX1 > 0 || NWSDISPLAY1 > 0
311struct wssrcops wskbd_srcops = {
312 .type = WSMUX_KBD2,
313 .dopen = wskbd_mux_open,
314 .dclose = wskbd_mux_close,
315 .dioctl = wskbd_do_ioctl,
316 .ddispioctl = wskbd_displayioctl,
317#if NWSDISPLAY1 > 0
318 .dsetdisplay = wskbd_set_display,
319#else
320 .dsetdisplay = NULL((void *)0),
321#endif
322};
323#endif
324
325#if NWSDISPLAY1 > 0
326void wskbd_repeat(void *v);
327#endif
328
329static int wskbd_console_initted;
330static struct wskbd_softc *wskbd_console_device;
331static struct wskbd_internal wskbd_console_data;
332
333void wskbd_update_layout(struct wskbd_internal *, kbd_t);
334
335#if NAUDIO1 > 0
336extern int wskbd_set_mixervolume_dev(void *, long, long);
337#endif
338
339void
340wskbd_update_layout(struct wskbd_internal *id, kbd_t enc)
341{
342 if (enc & KB_METAESC0x00000020)
343 id->t_flags |= WSKFL_METAESC1;
344 else
345 id->t_flags &= ~WSKFL_METAESC1;
346
347 id->t_keymap.layout = enc;
348}
349
350/*
351 * Print function (for parent devices).
352 */
353int
354wskbddevprint(void *aux, const char *pnp)
355{
356#if 0
357 struct wskbddev_attach_args *ap = aux;
358#endif
359
360 if (pnp)
361 printf("wskbd at %s", pnp);
362#if 0
363 printf(" console %d", ap->console);
364#endif
365
366 return (UNCONF1);
367}
368
369int
370wskbd_match(struct device *parent, void *match, void *aux)
371{
372 struct cfdata *cf = match;
373 struct wskbddev_attach_args *ap = aux;
374
375 if (cf->wskbddevcf_consolecf_loc[0] != WSKBDDEVCF_CONSOLE_UNK-1) {
376 /*
377 * If console-ness of device specified, either match
378 * exactly (at high priority), or fail.
379 */
380 if (cf->wskbddevcf_consolecf_loc[0] != 0 && ap->console != 0)
381 return (10);
382 else
383 return (0);
384 }
385
386 /* If console-ness unspecified, it wins. */
387 return (1);
388}
389
390void
391wskbd_attach(struct device *parent, struct device *self, void *aux)
392{
393 struct wskbd_softc *sc = (struct wskbd_softc *)self;
394 struct wskbddev_attach_args *ap = aux;
395 kbd_t layout;
396#if NWSMUX1 > 0
397 struct wsmux_softc *wsmux_sc = NULL((void *)0);
398 int mux, error;
399#endif
400
401 sc->sc_isconsole = ap->console;
402
403#if NWSMUX1 > 0 || NWSDISPLAY1 > 0
404 sc->sc_base.me_ops = &wskbd_srcops;
405#endif
406#if NWSMUX1 > 0
407 mux = sc->sc_base.me_dv.dv_cfdata->wskbddevcf_muxcf_loc[1];
408 if (mux >= 0)
409 wsmux_sc = wsmux_getmux(mux);
410#endif /* NWSMUX > 0 */
411
412 if (ap->console) {
413 sc->id = &wskbd_console_data;
414 } else {
415 sc->id = malloc(sizeof(struct wskbd_internal),
416 M_DEVBUF2, M_WAITOK0x0001 | M_ZERO0x0008);
417 bcopy(ap->keymap, &sc->id->t_keymap, sizeof(sc->id->t_keymap));
418 }
419
420 task_set(&sc->sc_kbd_backlight_task, wskbd_kbd_backlight_task, sc);
421#if NWSDISPLAY1 > 0
422 timeout_set(&sc->sc_repeat_ch, wskbd_repeat, sc);
423 task_set(&sc->sc_brightness_task, wskbd_brightness_task, sc);
424#endif
425
426#if NAUDIO1 > 0
427 sc->sc_audiocookie = ap->audiocookie;
428#endif
429
430 sc->id->t_sc = sc;
431
432 sc->sc_accessops = ap->accessops;
433 sc->sc_accesscookie = ap->accesscookie;
434 sc->sc_repeating = 0;
435 sc->sc_translating = 1;
436 sc->sc_ledstate = -1; /* force update */
437
438 /*
439 * If this layout is the default choice of the driver (i.e. the
440 * driver doesn't know better), pick the existing layout of the
441 * current mux, if any.
442 */
443 layout = sc->id->t_keymap.layout;
444#if NWSMUX1 > 0
445 if (layout & KB_DEFAULT0x80000000) {
446 if (wsmux_sc != NULL((void *)0) && wsmux_get_layout(wsmux_sc) != KB_NONE0x0000)
447 layout = wsmux_get_layout(wsmux_sc);
448 }
449#endif
450 for (;;) {
451 struct wscons_keymap *map;
452 int maplen;
453
454 if (wskbd_load_keymap(&sc->id->t_keymap, layout, &map,
455 &maplen) == 0) {
456 wskbd_set_keymap(sc, map, maplen);
457 break;
458 }
459#if NWSMUX1 > 0
460 if (layout == sc->id->t_keymap.layout)
461 panic("cannot load keymap");
462 if (wsmux_sc != NULL((void *)0) && wsmux_get_layout(wsmux_sc) != KB_NONE0x0000) {
463 printf("\n%s: cannot load keymap, "
464 "falling back to default\n%s",
465 sc->sc_base.me_dv.dv_xname,
466 sc->sc_base.me_dv.dv_xname);
467 layout = wsmux_get_layout(wsmux_sc);
468 } else
469#endif
470 panic("cannot load keymap");
471 }
472 wskbd_update_layout(sc->id, layout);
473
474 /* set default bell and key repeat data */
475 sc->sc_bell_data = wskbd_default_bell_data;
476 sc->sc_keyrepeat_data = wskbd_default_keyrepeat_data;
477
478 if (ap->console) {
479 KASSERT(wskbd_console_initted)((wskbd_console_initted) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/wscons/wskbd.c"
, 479, "wskbd_console_initted"));
480 KASSERT(wskbd_console_device == NULL)((wskbd_console_device == ((void *)0)) ? (void)0 : __assert("diagnostic "
, "/usr/src/sys/dev/wscons/wskbd.c", 480, "wskbd_console_device == NULL"
));
481
482 wskbd_console_device = sc;
483
484 printf(": console keyboard");
485
486#if NWSDISPLAY1 > 0
487 wsdisplay_set_console_kbd(&sc->sc_base); /* sets sc_displaydv */
488 if (sc->sc_displaydvsc_base.me_dispdv != NULL((void *)0))
489 printf(", using %s", sc->sc_displaydvsc_base.me_dispdv->dv_xname);
490#endif
491 }
492
493#if NWSMUX1 > 0
494 /* Ignore mux for console; it always goes to the console mux. */
495 if (wsmux_sc != NULL((void *)0) && ap->console == 0) {
496 printf(" mux %d\n", mux);
497 error = wsmux_attach_sc(wsmux_sc, &sc->sc_base);
498 if (error)
499 printf("%s: attach error=%d\n",
500 sc->sc_base.me_dv.dv_xname, error);
501
502 /*
503 * Try and set this encoding as the mux default if it
504 * hasn't any yet, and if this is not a driver default
505 * layout (i.e. parent driver pretends to know better).
506 * Note that wsmux_set_layout() rejects layouts with
507 * KB_DEFAULT set.
508 */
509 if (wsmux_get_layout(wsmux_sc) == KB_NONE0x0000)
510 wsmux_set_layout(wsmux_sc, layout);
511 } else
512#endif
513 printf("\n");
514
515#if NWSDISPLAY1 > 0 && NWSMUX1 == 0
516 if (ap->console == 0) {
517 /*
518 * In the non-wsmux world, always connect wskbd0 and wsdisplay0
519 * together.
520 */
521 extern struct cfdriver wsdisplay_cd;
522
523 if (wsdisplay_cd.cd_ndevs != 0 && self->dv_unit == 0) {
524 if (wskbd_set_display(self,
525 wsdisplay_cd.cd_devs[0]) == 0)
526 wsdisplay_set_kbd(wsdisplay_cd.cd_devs[0],
527 (struct wsevsrc *)sc);
528 }
529 }
530#endif
531}
532
533void
534wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie,
535 const struct wskbd_mapdata *mapdata)
536{
537
538 KASSERT(!wskbd_console_initted)((!wskbd_console_initted) ? (void)0 : __assert("diagnostic ",
"/usr/src/sys/dev/wscons/wskbd.c", 538, "!wskbd_console_initted"
));
539
540 bcopy(mapdata, &wskbd_console_data.t_keymap, sizeof(*mapdata));
541 wskbd_update_layout(&wskbd_console_data, mapdata->layout);
542
543 wskbd_console_data.t_consops = consops;
544 wskbd_console_data.t_consaccesscookie = conscookie;
545
546#if NWSDISPLAY1 > 0
547 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
548#endif
549
550 wskbd_console_initted = 1;
551}
552
553void
554wskbd_cndetach(void)
555{
556 KASSERT(wskbd_console_initted)((wskbd_console_initted) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/wscons/wskbd.c"
, 556, "wskbd_console_initted"));
557
558 wskbd_console_data.t_keymap.keydesc = NULL((void *)0);
559 wskbd_console_data.t_keymap.layout = KB_NONE0x0000;
560
561 wskbd_console_data.t_consops = NULL((void *)0);
562 wskbd_console_data.t_consaccesscookie = NULL((void *)0);
563
564#if NWSDISPLAY1 > 0
565 wsdisplay_unset_cons_kbd();
566#endif
567
568 wskbd_console_device = NULL((void *)0);
569 wskbd_console_initted = 0;
570}
571
572#if NWSDISPLAY1 > 0
573void
574wskbd_repeat(void *v)
575{
576 struct wskbd_softc *sc = (struct wskbd_softc *)v;
577 int s = spltty()splraise(0x9);
578
579 if (sc->sc_repeating == 0) {
580 /*
581 * race condition: a "key up" event came in when wskbd_repeat()
582 * was already called but not yet spltty()'d
583 */
584 splx(s)spllower(s);
585 return;
586 }
587 if (sc->sc_translating) {
588 /* deliver keys */
589 if (sc->sc_displaydvsc_base.me_dispdv != NULL((void *)0))
590 wsdisplay_kbdinput(sc->sc_displaydvsc_base.me_dispdv,
591 sc->id->t_keymap.layout,
592 sc->id->t_symbols, sc->sc_repeating);
593 } else {
594 /* queue event */
595 wskbd_deliver_event(sc, sc->sc_repeat_type,
596 sc->sc_repeat_value);
597 }
598 if (sc->sc_keyrepeat_data.delN != 0)
599 timeout_add_msec(&sc->sc_repeat_ch, sc->sc_keyrepeat_data.delN);
600 splx(s)spllower(s);
601}
602#endif
603
604int
605wskbd_activate(struct device *self, int act)
606{
607 struct wskbd_softc *sc = (struct wskbd_softc *)self;
608
609 if (act == DVACT_DEACTIVATE1)
610 sc->sc_dying = 1;
611 return (0);
612}
613
614/*
615 * Detach a keyboard. To keep track of users of the softc we keep
616 * a reference count that's incremented while inside, e.g., read.
617 * If the keyboard is active and the reference count is > 0 (0 is the
618 * normal state) we post an event and then wait for the process
619 * that had the reference to wake us up again. Then we blow away the
620 * vnode and return (which will deallocate the softc).
621 */
622int
623wskbd_detach(struct device *self, int flags)
624{
625 struct wskbd_softc *sc = (struct wskbd_softc *)self;
626 struct wseventvar *evar;
627 int maj, mn;
628 int s;
629
630#if NWSMUX1 > 0
631 /* Tell parent mux we're leaving. */
632 if (sc->sc_base.me_parent != NULL((void *)0))
633 wsmux_detach_sc(&sc->sc_base);
634#endif
635
636#if NWSDISPLAY1 > 0
637 if (sc->sc_repeating) {
638 sc->sc_repeating = 0;
639 timeout_del(&sc->sc_repeat_ch);
640 }
641#endif
642
643 if (sc->sc_isconsole) {
644 KASSERT(wskbd_console_device == sc)((wskbd_console_device == sc) ? (void)0 : __assert("diagnostic "
, "/usr/src/sys/dev/wscons/wskbd.c", 644, "wskbd_console_device == sc"
));
645 wskbd_cndetach();
646 }
647
648 evar = sc->sc_base.me_evp;
649 if (evar != NULL((void *)0)) {
650 s = spltty()splraise(0x9);
651 if (--sc->sc_refcnt >= 0) {
652 /* Wake everyone by generating a dummy event. */
653 if (++evar->put >= WSEVENT_QSIZE256)
654 evar->put = 0;
655 WSEVENT_WAKEUP(evar){ selwakeup(&(evar)->sel); if ((evar)->wanted) { (evar
)->wanted = 0; wakeup((caddr_t)(evar)); } if ((evar)->async
) pgsigio(&(evar)->sigio, 23, 0); };
656 /* Wait for processes to go away. */
657 if (tsleep_nsec(sc, PZERO22, "wskdet", SEC_TO_NSEC(60)))
658 printf("wskbd_detach: %s didn't detach\n",
659 sc->sc_base.me_dv.dv_xname);
660 }
661 splx(s)spllower(s);
662 }
663
664 free(sc->sc_map, M_DEVBUF2,
665 sc->sc_maplen * sizeof(struct wscons_keymap));
666
667 /* locate the major number */
668 for (maj = 0; maj < nchrdev; maj++)
669 if (cdevsw[maj].d_open == wskbdopen)
670 break;
671
672 /* Nuke the vnodes for any open instances. */
673 mn = self->dv_unit;
674 vdevgone(maj, mn, mn, VCHR);
675
676 return (0);
677}
678
679void
680wskbd_input(struct device *dev, u_int type, int value)
681{
682 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
683#if NWSDISPLAY1 > 0
684 int num;
685#endif
686
687#if NWSDISPLAY1 > 0
688 if (sc->sc_repeating) {
689 sc->sc_repeating = 0;
690 timeout_del(&sc->sc_repeat_ch);
691 }
692
693 /*
694 * If /dev/wskbdN is not connected in event mode translate and
695 * send upstream.
696 */
697 if (sc->sc_translating) {
698#ifdef HAVE_BURNER_SUPPORT
699 if (type == WSCONS_EVENT_KEY_DOWN2 && sc->sc_displaydvsc_base.me_dispdv != NULL((void *)0))
700 wsdisplay_burn(sc->sc_displaydvsc_base.me_dispdv, WSDISPLAY_BURN_KBD0x0002);
701#endif
702 num = wskbd_translate(sc->id, type, value);
703 if (num > 0) {
704 if (sc->sc_displaydvsc_base.me_dispdv != NULL((void *)0)) {
705#ifdef HAVE_SCROLLBACK_SUPPORT
706 /* XXX - Shift_R+PGUP(release) emits PrtSc */
707 if (sc->id->t_symbols[0] != KS_Print_Screen0xf3c2) {
708 wsscrollback(sc->sc_displaydvsc_base.me_dispdv,
709 WSDISPLAY_SCROLL_RESET2);
710 }
711#endif
712 wsdisplay_kbdinput(sc->sc_displaydvsc_base.me_dispdv,
713 sc->id->t_keymap.layout,
714 sc->id->t_symbols, num);
715 }
716
717 if (sc->sc_keyrepeat_data.del1 != 0) {
718 sc->sc_repeating = num;
719 timeout_add_msec(&sc->sc_repeat_ch,
720 sc->sc_keyrepeat_data.del1);
721 }
722 }
723 return;
724 }
725#endif
726
727 wskbd_deliver_event(sc, type, value);
728
729#if NWSDISPLAY1 > 0
730 /* Repeat key presses if enabled. */
731 if (type == WSCONS_EVENT_KEY_DOWN2 && sc->sc_keyrepeat_data.del1 != 0) {
732 sc->sc_repeat_type = type;
733 sc->sc_repeat_value = value;
734 sc->sc_repeating = 1;
735 timeout_add_msec(&sc->sc_repeat_ch, sc->sc_keyrepeat_data.del1);
736 }
737#endif
738}
739
740/*
741 * Keyboard is generating events. Turn this keystroke into an
742 * event and put it in the queue. If the queue is full, the
743 * keystroke is lost (sorry!).
744 */
745void
746wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
747{
748 struct wseventvar *evar;
749 struct wscons_event *ev;
750 int put;
751
752 evar = sc->sc_base.me_evp;
753
754 if (evar == NULL((void *)0)) {
755 DPRINTF(("%s: not open\n", __func__));
756 return;
757 }
758
759#ifdef DIAGNOSTIC1
760 if (evar->q == NULL((void *)0)) {
761 printf("wskbd_input: evar->q=NULL\n");
762 return;
763 }
764#endif
765
766 put = evar->put;
767 ev = &evar->q[put];
768 put = (put + 1) % WSEVENT_QSIZE256;
769 if (put == evar->get) {
770 log(LOG_WARNING4, "%s: event queue overflow\n",
771 sc->sc_base.me_dv.dv_xname);
772 return;
773 }
774 ev->type = type;
775 ev->value = value;
776 nanotime(&ev->time);
777 evar->put = put;
778 WSEVENT_WAKEUP(evar){ selwakeup(&(evar)->sel); if ((evar)->wanted) { (evar
)->wanted = 0; wakeup((caddr_t)(evar)); } if ((evar)->async
) pgsigio(&(evar)->sigio, 23, 0); };
779}
780
781#ifdef WSDISPLAY_COMPAT_RAWKBD1
782void
783wskbd_rawinput(struct device *dev, u_char *buf, int len)
784{
785#if NWSDISPLAY1 > 0
786 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
787
788 if (sc->sc_displaydvsc_base.me_dispdv != NULL((void *)0))
789 wsdisplay_rawkbdinput(sc->sc_displaydvsc_base.me_dispdv, buf, len);
790#endif
791}
792#endif /* WSDISPLAY_COMPAT_RAWKBD */
793
794int
795wskbd_enable(struct wskbd_softc *sc, int on)
796{
797 int error;
798
799#if NWSDISPLAY1 > 0
800 if (sc->sc_displaydvsc_base.me_dispdv != NULL((void *)0))
801 return (0);
802
803 /* Always cancel auto repeat when fiddling with the kbd. */
804 if (sc->sc_repeating) {
805 sc->sc_repeating = 0;
806 timeout_del(&sc->sc_repeat_ch);
807 }
808#endif
809
810 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
811 DPRINTF(("%s: sc=%p on=%d res=%d\n", __func__, sc, on, error));
812 return (error);
813}
814
815#if NWSMUX1 > 0
816int
817wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
818{
819 struct wskbd_softc *sc = (struct wskbd_softc *)me;
820
821 if (sc->sc_dying)
822 return (EIO5);
823
824 return (wskbd_do_open(sc, evp));
825}
826#endif
827
828int
829wskbdopen(dev_t dev, int flags, int mode, struct proc *p)
830{
831 struct wskbd_softc *sc;
832 struct wseventvar *evar;
833 int unit, error;
834
835 unit = minor(dev)((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >>
8));
836 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */
837 (sc = wskbd_cd.cd_devs[unit]) == NULL((void *)0))
838 return (ENXIO6);
839
840#if NWSMUX1 > 0
841 DPRINTF(("%s: %s mux=%p\n", __func__, sc->sc_base.me_dv.dv_xname,
842 sc->sc_base.me_parent));
843#endif
844
845 if (sc->sc_dying)
846 return (EIO5);
847
848 if ((flags & (FREAD0x0001 | FWRITE0x0002)) == FWRITE0x0002) {
849 /* Not opening for read, only ioctl is available. */
850 return (0);
851 }
852
853#if NWSMUX1 > 0
854 if (sc->sc_base.me_parent != NULL((void *)0)) {
855 /* Grab the keyboard out of the greedy hands of the mux. */
856 DPRINTF(("%s: detach\n", __func__));
857 wsmux_detach_sc(&sc->sc_base);
858 }
859#endif
860
861 if (sc->sc_base.me_evp != NULL((void *)0))
862 return (EBUSY16);
863
864 evar = &sc->sc_base.me_evar;
865 if (wsevent_init(evar))
866 return (EBUSY16);
867
868 error = wskbd_do_open(sc, evar);
869 if (error)
870 wsevent_fini(evar);
871 return (error);
872}
873
874int
875wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
876{
877 int error;
878
879 /* The device could already be attached to a mux. */
880 if (sc->sc_base.me_evp != NULL((void *)0))
881 return (EBUSY16);
882
883 sc->sc_base.me_evp = evp;
884 sc->sc_translating = 0;
885
886 error = wskbd_enable(sc, 1);
887 if (error)
888 sc->sc_base.me_evp = NULL((void *)0);
889 return (error);
890}
891
892int
893wskbdclose(dev_t dev, int flags, int mode, struct proc *p)
894{
895 struct wskbd_softc *sc =
896 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >>
8))];
897 struct wseventvar *evar = sc->sc_base.me_evp;
898
899 if ((flags & (FREAD0x0001 | FWRITE0x0002)) == FWRITE0x0002) {
900 /* not open for read */
901 return (0);
902 }
903
904 sc->sc_base.me_evp = NULL((void *)0);
905 sc->sc_translating = 1;
906 (void)wskbd_enable(sc, 0);
907 wsevent_fini(evar);
908
909#if NWSMUX1 > 0
910 if (sc->sc_base.me_parent == NULL((void *)0)) {
911 int mux, error;
912
913 DPRINTF(("%s: attach\n", __func__));
914 mux = sc->sc_base.me_dv.dv_cfdata->wskbddevcf_muxcf_loc[1];
915 if (mux >= 0) {
916 error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base);
917 if (error)
918 printf("%s: can't attach mux (error=%d)\n",
919 sc->sc_base.me_dv.dv_xname, error);
920 }
921 }
922#endif
923
924 return (0);
925}
926
927#if NWSMUX1 > 0
928int
929wskbd_mux_close(struct wsevsrc *me)
930{
931 struct wskbd_softc *sc = (struct wskbd_softc *)me;
932
933 (void)wskbd_enable(sc, 0);
934 sc->sc_translating = 1;
935 sc->sc_base.me_evp = NULL((void *)0);
936
937 return (0);
938}
939#endif
940
941int
942wskbdread(dev_t dev, struct uio *uio, int flags)
943{
944 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >>
8))];
945 int error;
946
947 if (sc->sc_dying)
948 return (EIO5);
949
950#ifdef DIAGNOSTIC1
951 if (sc->sc_base.me_evp == NULL((void *)0)) {
952 printf("wskbdread: evp == NULL\n");
953 return (EINVAL22);
954 }
955#endif
956
957 sc->sc_refcnt++;
958 error = wsevent_read(&sc->sc_base.me_evar, uio, flags);
959 if (--sc->sc_refcnt < 0) {
960 wakeup(sc);
961 error = EIO5;
962 }
963 return (error);
964}
965
966int
967wskbdioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
968{
969 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >>
8))];
970 int error;
971
972 sc->sc_refcnt++;
973 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, p, 0);
974 if (--sc->sc_refcnt < 0)
975 wakeup(sc);
976 return (error);
977}
978
979/* A wrapper around the ioctl() workhorse to make reference counting easy. */
980int
981wskbd_do_ioctl(struct device *dv, u_long cmd, caddr_t data, int flag,
982 struct proc *p)
983{
984 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
985 int error;
986
987 sc->sc_refcnt++;
988 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, p, 1);
989 if (--sc->sc_refcnt < 0)
990 wakeup(sc);
991 return (error);
992}
993
994int
995wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, caddr_t data, int flag,
996 struct proc *p, int evsrc)
997{
998 struct wseventvar *evar;
999 int error;
1000
1001 /*
1002 * Try the generic ioctls that the wskbd interface supports.
1003 */
1004 switch (cmd) {
1005 case FIONBIO((unsigned long)0x80000000 | ((sizeof(int) & 0x1fff) <<
16) | ((('f')) << 8) | ((126))): /* we will remove this someday (soon???) */
1006 return (0);
1007
1008 case FIOASYNC((unsigned long)0x80000000 | ((sizeof(int) & 0x1fff) <<
16) | ((('f')) << 8) | ((125))):
1009 if (sc->sc_base.me_evp == NULL((void *)0))
1010 return (EINVAL22);
1011 sc->sc_base.me_evp->async = *(int *)data != 0;
1012 return (0);
1013
1014 case FIOGETOWN((unsigned long)0x40000000 | ((sizeof(int) & 0x1fff) <<
16) | ((('f')) << 8) | ((123))):
1015 case TIOCGPGRP((unsigned long)0x40000000 | ((sizeof(int) & 0x1fff) <<
16) | ((('t')) << 8) | ((119))):
1016 evar = sc->sc_base.me_evp;
1017 if (evar == NULL((void *)0))
1018 return (EINVAL22);
1019 sigio_getown(&evar->sigio, cmd, data);
1020 return (0);
1021
1022 case FIOSETOWN((unsigned long)0x80000000 | ((sizeof(int) & 0x1fff) <<
16) | ((('f')) << 8) | ((124))):
1023 case TIOCSPGRP((unsigned long)0x80000000 | ((sizeof(int) & 0x1fff) <<
16) | ((('t')) << 8) | ((118))):
1024 evar = sc->sc_base.me_evp;
1025 if (evar == NULL((void *)0))
1026 return (EINVAL22);
1027 return (sigio_setown(&evar->sigio, cmd, data));
1028 }
1029
1030 /*
1031 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1032 * if it didn't recognize the request.
1033 */
1034 error = wskbd_displayioctl_sc(sc, cmd, data, flag, p, evsrc);
1035 return (error != -1 ? error : ENOTTY25);
1036}
1037
1038/*
1039 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
1040 * Some of these have no real effect in raw mode, however.
1041 */
1042int
1043wskbd_displayioctl(struct device *dv, u_long cmd, caddr_t data, int flag,
1044 struct proc *p)
1045{
1046 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1047
1048 return (wskbd_displayioctl_sc(sc, cmd, data, flag, p, 1));
1049}
1050
1051int
1052wskbd_displayioctl_sc(struct wskbd_softc *sc, u_long cmd, caddr_t data,
1053 int flag, struct proc *p, int evsrc)
1054{
1055 struct wskbd_bell_data *ubdp, *kbdp;
1056 struct wskbd_keyrepeat_data *ukdp, *kkdp;
1057 struct wskbd_map_data *umdp;
1058 struct wskbd_encoding_data *uedp;
1059 kbd_t enc;
1060 void *buf;
1061 int len, error;
1062 int count, i;
1063
1064 switch (cmd) {
1065 case WSKBDIO_BELL((unsigned long)0x20000000 | ((0 & 0x1fff) << 16) |
((('W')) << 8) | ((1))):
1066 case WSKBDIO_COMPLEXBELL((unsigned long)0x80000000 | ((sizeof(struct wskbd_bell_data)
& 0x1fff) << 16) | ((('W')) << 8) | ((2))):
1067 case WSKBDIO_SETBELL((unsigned long)0x80000000 | ((sizeof(struct wskbd_bell_data)
& 0x1fff) << 16) | ((('W')) << 8) | ((3))):
1068 case WSKBDIO_SETKEYREPEAT((unsigned long)0x80000000 | ((sizeof(struct wskbd_keyrepeat_data
) & 0x1fff) << 16) | ((('W')) << 8) | ((7))):
1069 case WSKBDIO_SETDEFAULTKEYREPEAT((unsigned long)0x80000000 | ((sizeof(struct wskbd_keyrepeat_data
) & 0x1fff) << 16) | ((('W')) << 8) | ((9))):
1070 case WSKBDIO_SETMAP((unsigned long)0x80000000 | ((sizeof(struct wskbd_map_data) &
0x1fff) << 16) | ((('W')) << 8) | ((14))):
1071 case WSKBDIO_SETENCODING((unsigned long)0x80000000 | ((sizeof(kbd_t) & 0x1fff) <<
16) | ((('W')) << 8) | ((16))):
1072 case WSKBDIO_SETBACKLIGHT((unsigned long)0x80000000 | ((sizeof(struct wskbd_backlight)
& 0x1fff) << 16) | ((('W')) << 8) | ((18))):
1073 if ((flag & FWRITE0x0002) == 0)
1074 return (EACCES13);
1075 }
1076
1077 switch (cmd) {
1078#define SETBELL(dstp, srcp, dfltp) \
1079 do { \
1080 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH0x1) ? \
1081 (srcp)->pitch : (dfltp)->pitch; \
1082 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD0x2) ? \
1083 (srcp)->period : (dfltp)->period; \
1084 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME0x4) ? \
1085 (srcp)->volume : (dfltp)->volume; \
1086 (dstp)->which = WSKBD_BELL_DOALL0x7; \
1087 } while (0)
1088
1089 case WSKBDIO_BELL((unsigned long)0x20000000 | ((0 & 0x1fff) << 16) |
((('W')) << 8) | ((1))):
1090 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1091 WSKBDIO_COMPLEXBELL((unsigned long)0x80000000 | ((sizeof(struct wskbd_bell_data)
& 0x1fff) << 16) | ((('W')) << 8) | ((2))), (caddr_t)&sc->sc_bell_data, flag, p));
1092
1093 case WSKBDIO_COMPLEXBELL((unsigned long)0x80000000 | ((sizeof(struct wskbd_bell_data)
& 0x1fff) << 16) | ((('W')) << 8) | ((2))):
1094 ubdp = (struct wskbd_bell_data *)data;
1095 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1096 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1097 WSKBDIO_COMPLEXBELL((unsigned long)0x80000000 | ((sizeof(struct wskbd_bell_data)
& 0x1fff) << 16) | ((('W')) << 8) | ((2))), (caddr_t)ubdp, flag, p));
1098
1099 case WSKBDIO_SETBELL((unsigned long)0x80000000 | ((sizeof(struct wskbd_bell_data)
& 0x1fff) << 16) | ((('W')) << 8) | ((3))):
1100 kbdp = &sc->sc_bell_data;
1101setbell:
1102 ubdp = (struct wskbd_bell_data *)data;
1103 SETBELL(kbdp, ubdp, kbdp);
1104 return (0);
1105
1106 case WSKBDIO_GETBELL((unsigned long)0x40000000 | ((sizeof(struct wskbd_bell_data)
& 0x1fff) << 16) | ((('W')) << 8) | ((4))):
1107 kbdp = &sc->sc_bell_data;
1108getbell:
1109 ubdp = (struct wskbd_bell_data *)data;
1110 SETBELL(ubdp, kbdp, kbdp);
1111 return (0);
1112
1113 case WSKBDIO_SETDEFAULTBELL((unsigned long)0x80000000 | ((sizeof(struct wskbd_bell_data)
& 0x1fff) << 16) | ((('W')) << 8) | ((5))):
1114 if ((error = suser(p)) != 0)
1115 return (error);
1116 kbdp = &wskbd_default_bell_data;
1117 goto setbell;
1118
1119
1120 case WSKBDIO_GETDEFAULTBELL((unsigned long)0x40000000 | ((sizeof(struct wskbd_bell_data)
& 0x1fff) << 16) | ((('W')) << 8) | ((6))):
1121 kbdp = &wskbd_default_bell_data;
1122 goto getbell;
1123
1124#undef SETBELL
1125
1126#define SETKEYREPEAT(dstp, srcp, dfltp) \
1127 do { \
1128 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL10x1) ? \
1129 (srcp)->del1 : (dfltp)->del1; \
1130 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN0x2) ? \
1131 (srcp)->delN : (dfltp)->delN; \
1132 (dstp)->which = WSKBD_KEYREPEAT_DOALL0x3; \
1133 } while (0)
1134
1135 case WSKBDIO_SETKEYREPEAT((unsigned long)0x80000000 | ((sizeof(struct wskbd_keyrepeat_data
) & 0x1fff) << 16) | ((('W')) << 8) | ((7))):
1136 kkdp = &sc->sc_keyrepeat_data;
1137setkeyrepeat:
1138 ukdp = (struct wskbd_keyrepeat_data *)data;
1139 SETKEYREPEAT(kkdp, ukdp, kkdp);
1140 return (0);
1141
1142 case WSKBDIO_GETKEYREPEAT((unsigned long)0x40000000 | ((sizeof(struct wskbd_keyrepeat_data
) & 0x1fff) << 16) | ((('W')) << 8) | ((8))):
1143 kkdp = &sc->sc_keyrepeat_data;
1144getkeyrepeat:
1145 ukdp = (struct wskbd_keyrepeat_data *)data;
1146 SETKEYREPEAT(ukdp, kkdp, kkdp);
1147 return (0);
1148
1149 case WSKBDIO_SETDEFAULTKEYREPEAT((unsigned long)0x80000000 | ((sizeof(struct wskbd_keyrepeat_data
) & 0x1fff) << 16) | ((('W')) << 8) | ((9))):
1150 if ((error = suser(p)) != 0)
1151 return (error);
1152 kkdp = &wskbd_default_keyrepeat_data;
1153 goto setkeyrepeat;
1154
1155
1156 case WSKBDIO_GETDEFAULTKEYREPEAT((unsigned long)0x40000000 | ((sizeof(struct wskbd_keyrepeat_data
) & 0x1fff) << 16) | ((('W')) << 8) | ((10))):
1157 kkdp = &wskbd_default_keyrepeat_data;
1158 goto getkeyrepeat;
1159
1160#undef SETKEYREPEAT
1161
1162 case WSKBDIO_SETMAP((unsigned long)0x80000000 | ((sizeof(struct wskbd_map_data) &
0x1fff) << 16) | ((('W')) << 8) | ((14))):
1163 umdp = (struct wskbd_map_data *)data;
1164 if (umdp->maplen > WSKBDIO_MAXMAPLEN65536)
1165 return (EINVAL22);
1166
1167 buf = mallocarray(umdp->maplen, sizeof(struct wscons_keymap),
1168 M_TEMP127, M_WAITOK0x0001);
1169 len = umdp->maplen * sizeof(struct wscons_keymap);
1170
1171 error = copyin(umdp->map, buf, len);
1172 if (error == 0) {
1173 struct wscons_keymap *map;
1174
1175 map = wskbd_init_keymap(umdp->maplen);
1176 memcpy(map, buf, len)__builtin_memcpy((map), (buf), (len));
1177 wskbd_set_keymap(sc, map, umdp->maplen);
1178 /* drop the variant bits handled by the map */
1179 enc = KB_USER0x0100 | (KB_VARIANT(sc->id->t_keymap.layout)((sc->id->t_keymap.layout) & 0xffff00ff) &
1180 KB_HANDLEDBYWSKBD(0x00000020 | 0x80000000 | 0x00000080));
1181 wskbd_update_layout(sc->id, enc);
1182 }
1183 free(buf, M_TEMP127, len);
1184 return(error);
1185
1186 case WSKBDIO_GETMAP(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof
(struct wskbd_map_data) & 0x1fff) << 16) | ((('W'))
<< 8) | ((13))):
1187 umdp = (struct wskbd_map_data *)data;
1188 if (umdp->maplen > sc->sc_maplen)
1189 umdp->maplen = sc->sc_maplen;
1190 error = copyout(sc->sc_map, umdp->map,
1191 umdp->maplen*sizeof(struct wscons_keymap));
1192 return(error);
1193
1194 case WSKBDIO_GETENCODING((unsigned long)0x40000000 | ((sizeof(kbd_t) & 0x1fff) <<
16) | ((('W')) << 8) | ((15))):
1195 /* Do not advertise encoding to the parent mux. */
1196 if (evsrc && (sc->id->t_keymap.layout & KB_NOENCODING0x00000080))
1197 return (ENOTTY25);
1198 *((kbd_t *)data) = sc->id->t_keymap.layout & ~KB_DEFAULT0x80000000;
1199 return(0);
1200
1201 case WSKBDIO_SETENCODING((unsigned long)0x80000000 | ((sizeof(kbd_t) & 0x1fff) <<
16) | ((('W')) << 8) | ((16))):
1202 enc = *((kbd_t *)data);
1203 if (KB_ENCODING(enc)((enc) & 0x0000ff00) == KB_USER0x0100) {
1204 /* user map must already be loaded */
1205 if (KB_ENCODING(sc->id->t_keymap.layout)((sc->id->t_keymap.layout) & 0x0000ff00) != KB_USER0x0100)
1206 return (EINVAL22);
1207 /* map variants make no sense */
1208 if (KB_VARIANT(enc)((enc) & 0xffff00ff) & ~KB_HANDLEDBYWSKBD(0x00000020 | 0x80000000 | 0x00000080))
1209 return (EINVAL22);
1210 } else if (sc->id->t_keymap.layout & KB_NOENCODING0x00000080) {
1211 return (0);
1212 } else {
1213 struct wscons_keymap *map;
1214 int maplen;
1215
1216 error = wskbd_load_keymap(&sc->id->t_keymap, enc,
1217 &map, &maplen);
1218 if (error)
1219 return (error);
1220 wskbd_set_keymap(sc, map, maplen);
1221 }
1222 wskbd_update_layout(sc->id, enc);
1223#if NWSMUX1 > 0
1224 /* Update mux default layout */
1225 if (sc->sc_base.me_parent != NULL((void *)0))
1226 wsmux_set_layout(sc->sc_base.me_parent, enc);
1227#endif
1228 return (0);
1229
1230 case WSKBDIO_GETENCODINGS(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof
(struct wskbd_encoding_data) & 0x1fff) << 16) | (((
'W')) << 8) | ((21))):
1231 uedp = (struct wskbd_encoding_data *)data;
1232 for (count = 0; sc->id->t_keymap.keydesc[count].name; count++)
1233 ;
1234 if (uedp->nencodings > count)
1235 uedp->nencodings = count;
1236 for (i = 0; i < uedp->nencodings; i++) {
1237 error = copyout(&sc->id->t_keymap.keydesc[i].name,
1238 &uedp->encodings[i], sizeof(kbd_t));
1239 if (error)
1240 return (error);
1241 }
1242 return (0);
1243
1244 case WSKBDIO_GETBACKLIGHT((unsigned long)0x40000000 | ((sizeof(struct wskbd_backlight)
& 0x1fff) << 16) | ((('W')) << 8) | ((17))):
1245 if (wskbd_get_backlight != NULL((void *)0))
1246 return (*wskbd_get_backlight)((struct wskbd_backlight *)data);
1247 break;
1248
1249 case WSKBDIO_SETBACKLIGHT((unsigned long)0x80000000 | ((sizeof(struct wskbd_backlight)
& 0x1fff) << 16) | ((('W')) << 8) | ((18))):
1250 if (wskbd_set_backlight != NULL((void *)0))
1251 return (*wskbd_set_backlight)((struct wskbd_backlight *)data);
1252 break;
1253 }
1254
1255 /*
1256 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1257 * if it didn't recognize the request, and in turn we return
1258 * -1 if we didn't recognize the request.
1259 */
1260/* printf("kbdaccess\n"); */
1261 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1262 flag, p);
1263#ifdef WSDISPLAY_COMPAT_RAWKBD1
1264 if (!error && cmd == WSKBDIO_SETMODE((unsigned long)0x80000000 | ((sizeof(int) & 0x1fff) <<
16) | ((('W')) << 8) | ((19))) && *(int *)data == WSKBD_RAW1) {
1265 int s = spltty()splraise(0x9);
1266 sc->id->t_modifiers &= ~(MOD_SHIFT_L(1 << 0) | MOD_SHIFT_R(1 << 1)
1267 | MOD_CONTROL_L(1 << 4) | MOD_CONTROL_R(1 << 5)
1268 | MOD_META_L(1 << 6) | MOD_META_R(1 << 7)
1269 | MOD_COMMAND(1 << 12)
1270 | MOD_COMMAND1(1 << 13) | MOD_COMMAND2(1 << 14));
1271#if NWSDISPLAY1 > 0
1272 if (sc->sc_repeating) {
1273 sc->sc_repeating = 0;
1274 timeout_del(&sc->sc_repeat_ch);
1275 }
1276#endif
1277 splx(s)spllower(s);
1278 }
1279#endif
1280 return (error);
1281}
1282
1283int
1284wskbdkqfilter(dev_t dev, struct knote *kn)
1285{
1286 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >>
8))];
1287
1288 if (sc->sc_base.me_evp == NULL((void *)0))
1289 return (ENXIO6);
1290 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1291}
1292
1293#if NWSDISPLAY1 > 0
1294
1295int
1296wskbd_pickfree(void)
1297{
1298 int i;
1299 struct wskbd_softc *sc;
1300
1301 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1302 if ((sc = wskbd_cd.cd_devs[i]) == NULL((void *)0))
1303 continue;
1304 if (sc->sc_displaydvsc_base.me_dispdv == NULL((void *)0))
1305 return (i);
1306 }
1307 return (-1);
1308}
1309
1310struct wsevsrc *
1311wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me)
1312{
1313 struct wskbd_softc *sc = wskbd_console_device;
1314
1315 if (sc == NULL((void *)0))
1316 return (NULL((void *)0));
1317 sc->sc_displaydvsc_base.me_dispdv = displaydv;
1318#if NWSMUX1 > 0
1319 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1320#endif
1321 return (&sc->sc_base);
1322}
1323
1324int
1325wskbd_set_display(struct device *dv, struct device *displaydv)
1326{
1327 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1328 struct device *odisplaydv;
1329 int error;
1330
1331 DPRINTF(("%s: %s odisp=%p disp=%p cons=%d\n", __func__,
1332 dv->dv_xname, sc->sc_displaydv, displaydv,
1333 sc->sc_isconsole));
1334
1335 if (sc->sc_isconsole)
1336 return (EBUSY16);
1337
1338 if (displaydv != NULL((void *)0)) {
1339 if (sc->sc_displaydvsc_base.me_dispdv != NULL((void *)0))
1340 return (EBUSY16);
1341 } else {
1342 if (sc->sc_displaydvsc_base.me_dispdv == NULL((void *)0))
1343 return (ENXIO6);
1344 }
1345
1346 odisplaydv = sc->sc_displaydvsc_base.me_dispdv;
1347 sc->sc_displaydvsc_base.me_dispdv = NULL((void *)0);
1348 error = wskbd_enable(sc, displaydv != NULL((void *)0));
1349 sc->sc_displaydvsc_base.me_dispdv = displaydv;
1350 if (error) {
1351 sc->sc_displaydvsc_base.me_dispdv = odisplaydv;
1352 return (error);
1353 }
1354
1355 if (displaydv)
1356 printf("%s: connecting to %s\n",
1357 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname);
1358 else
1359 printf("%s: disconnecting from %s\n",
1360 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname);
1361
1362 return (0);
1363}
1364
1365#endif /* NWSDISPLAY > 0 */
1366
1367#if NWSMUX1 > 0
1368int
1369wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1370{
1371 struct wskbd_softc *sc;
1372
1373 if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
1374 (sc = wskbd_cd.cd_devs[unit]) == NULL((void *)0))
1375 return (ENXIO6);
1376
1377 if (sc->sc_base.me_parent != NULL((void *)0) || sc->sc_base.me_evp != NULL((void *)0))
1378 return (EBUSY16);
1379
1380 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1381}
1382#endif
1383
1384/*
1385 * Console interface.
1386 */
1387int
1388wskbd_cngetc(dev_t dev)
1389{
1390 static int num = 0;
1391 static int pos;
1392 u_int type;
1393 int data;
1394 keysym_t ks;
1395
1396 if (!wskbd_console_initted)
1397 return 0;
1398
1399 if (wskbd_console_device != NULL((void *)0) &&
1400 !wskbd_console_device->sc_translating)
1401 return 0;
1402
1403 for(;;) {
1404 if (num-- > 0) {
1405 ks = wskbd_console_data.t_symbols[pos++];
1406 if (KS_GROUP(ks)((ks) >= 0x0300 && (ks) < 0x0370 ? 0xf801 : (((
ks) & 0xf000) == 0xe000 ? 0xf803 : (((ks) & 0xf800) ==
0xf000 ? ((ks) & 0xff00) : 0xf802))) == KS_GROUP_Ascii0xf802)
1407 return (KS_VALUE(ks)(((ks) & 0xf000) == 0xe000 ? ((ks) & 0x0fff) : (((ks)
& 0xf800) == 0xf000 ? ((ks) & 0x00ff) : (ks))));
1408 } else {
1409 (*wskbd_console_data.t_consops->getc)
1410 (wskbd_console_data.t_consaccesscookie,
1411 &type, &data);
1412 num = wskbd_translate(&wskbd_console_data, type, data);
1413 pos = 0;
1414 }
1415 }
1416}
1417
1418void
1419wskbd_cnpollc(dev_t dev, int poll)
1420{
1421 if (!wskbd_console_initted)
1422 return;
1423
1424 if (wskbd_console_device != NULL((void *)0) &&
1425 !wskbd_console_device->sc_translating)
1426 return;
1427
1428 (*wskbd_console_data.t_consops->pollc)
1429 (wskbd_console_data.t_consaccesscookie, poll);
1430}
1431
1432void
1433wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1434{
1435 if (!wskbd_console_initted)
1436 return;
1437
1438 if (wskbd_console_data.t_consops->bell != NULL((void *)0))
1439 (*wskbd_console_data.t_consops->bell)
1440 (wskbd_console_data.t_consaccesscookie, pitch, period,
1441 volume);
1442}
1443
1444void
1445update_leds(struct wskbd_internal *id)
1446{
1447 int new_state;
1448
1449 new_state = 0;
1450 if (id->t_modifiers & (MOD_SHIFTLOCK(1 << 2) | MOD_CAPSLOCK(1 << 3)))
1451 new_state |= WSKBD_LED_CAPS0x01;
1452 if (id->t_modifiers & MOD_NUMLOCK(1 << 9))
1453 new_state |= WSKBD_LED_NUM0x02;
1454 if (id->t_modifiers & MOD_COMPOSE(1 << 10))
1455 new_state |= WSKBD_LED_COMPOSE0x08;
1456 if (id->t_modifiers & MOD_HOLDSCREEN(1 << 11))
1457 new_state |= WSKBD_LED_SCROLL0x04;
1458
1459 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1460 (*id->t_sc->sc_accessops->set_leds)
1461 (id->t_sc->sc_accesscookie, new_state);
1462 id->t_sc->sc_ledstate = new_state;
1463 }
1464}
1465
1466void
1467update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1468{
1469 if (toggle) {
1470 if (type == WSCONS_EVENT_KEY_DOWN2)
1471 id->t_modifiers ^= mask;
1472 } else {
1473 if (type == WSCONS_EVENT_KEY_DOWN2)
1474 id->t_modifiers |= mask;
1475 else
1476 id->t_modifiers &= ~mask;
1477 }
1478 if (mask & MOD_ANYLED((1 << 2) | (1 << 3) | (1 << 9) | (1 <<
10) | (1 << 11)))
1479 update_leds(id);
1480}
1481
1482#if NWSDISPLAY1 > 0
1483void
1484change_displayparam(struct wskbd_softc *sc, int param, int updown,
1485 int wraparound)
1486{
1487 int res;
1488 struct wsdisplay_param dp;
1489
1490 dp.param = param;
1491 res = wsdisplay_param(sc->sc_displaydvsc_base.me_dispdv, WSDISPLAYIO_GETPARAM(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof
(struct wsdisplay_param) & 0x1fff) << 16) | ((('W')
) << 8) | ((89))), &dp);
1492
1493 if (res == EINVAL22)
1494 return; /* no such parameter */
1495
1496 dp.curval += updown;
1497 if (dp.max < dp.curval)
1498 dp.curval = wraparound ? dp.min : dp.max;
1499 else
1500 if (dp.curval < dp.min)
1501 dp.curval = wraparound ? dp.max : dp.min;
1502 wsdisplay_param(sc->sc_displaydvsc_base.me_dispdv, WSDISPLAYIO_SETPARAM(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof
(struct wsdisplay_param) & 0x1fff) << 16) | ((('W')
) << 8) | ((90))), &dp);
1503}
1504#endif
1505
1506int
1507internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1508 keysym_t ksym2)
1509{
1510 switch (ksym) {
1511 case KS_Cmd0xf10d:
1512 update_modifier(sc->id, *type, 0, MOD_COMMAND(1 << 12));
1513 ksym = ksym2;
1514 break;
1515
1516 case KS_Cmd10xf10e:
1517 update_modifier(sc->id, *type, 0, MOD_COMMAND1(1 << 13));
1518 break;
1519
1520 case KS_Cmd20xf10f:
1521 update_modifier(sc->id, *type, 0, MOD_COMMAND2(1 << 14));
1522 break;
1523 }
1524
1525 if (*type != WSCONS_EVENT_KEY_DOWN2)
1526 return (0);
1527
1528#ifdef SUSPEND1
1529 if (ksym == KS_Cmd_Sleep0xf42f) {
1530 request_sleep(SLEEP_SUSPEND0x01);
1531 return (1);
1532 }
1533#endif
1534
1535#ifdef HAVE_SCROLLBACK_SUPPORT
1536#if NWSDISPLAY1 > 0
1537 switch (ksym) {
1538 case KS_Cmd_ScrollBack0xf42c:
1539 if (MOD_ONESET(sc->id, MOD_ANYSHIFT)(((sc->id)->t_modifiers & (((1 << 0) | (1 <<
1) | (1 << 2)))) != 0)) {
1540 if (sc->sc_displaydvsc_base.me_dispdv != NULL((void *)0))
1541 wsscrollback(sc->sc_displaydvsc_base.me_dispdv,
1542 WSDISPLAY_SCROLL_BACKWARD0);
1543 return (1);
1544 }
1545 break;
1546
1547 case KS_Cmd_ScrollFwd0xf42d:
1548 if (MOD_ONESET(sc->id, MOD_ANYSHIFT)(((sc->id)->t_modifiers & (((1 << 0) | (1 <<
1) | (1 << 2)))) != 0)) {
1549 if (sc->sc_displaydvsc_base.me_dispdv != NULL((void *)0))
1550 wsscrollback(sc->sc_displaydvsc_base.me_dispdv,
1551 WSDISPLAY_SCROLL_FORWARD1);
1552 return (1);
1553 }
1554 break;
1555 }
1556#endif
1557#endif
1558
1559 switch (ksym) {
1560 case KS_Cmd_KbdBacklightUp0xf431:
1561 atomic_store_int(&sc->sc_kbd_backlight_cmd, KBD_BACKLIGHT_UP);
1562 task_add(systq, &sc->sc_kbd_backlight_task);
1563 return (1);
1564 case KS_Cmd_KbdBacklightDown0xf432:
1565 atomic_store_int(&sc->sc_kbd_backlight_cmd, KBD_BACKLIGHT_DOWN);
1566 task_add(systq, &sc->sc_kbd_backlight_task);
1567 return (1);
1568 case KS_Cmd_KbdBacklightToggle0xf430:
1569 atomic_store_int(&sc->sc_kbd_backlight_cmd, KBD_BACKLIGHT_TOGGLE);
1570 task_add(systq, &sc->sc_kbd_backlight_task);
1571 return (1);
1572 }
1573
1574#if NWSDISPLAY1 > 0
1575 switch(ksym) {
1576 case KS_Cmd_BrightnessUp0xf426:
1577 atomic_add_int(&sc->sc_brightness_steps, 1)_atomic_add_int(&sc->sc_brightness_steps, 1);
1578 task_add(systq, &sc->sc_brightness_task);
1579 return (1);
1580 case KS_Cmd_BrightnessDown0xf427:
1581 atomic_sub_int(&sc->sc_brightness_steps, 1)_atomic_sub_int(&sc->sc_brightness_steps, 1);
1582 task_add(systq, &sc->sc_brightness_task);
1583 return (1);
1584 case KS_Cmd_BrightnessRotate0xf428:
1585 wsdisplay_brightness_cycle(sc->sc_displaydvsc_base.me_dispdv);
1586 return (1);
1587 }
1588#endif
1589
1590 if (!MOD_ONESET(sc->id, MOD_COMMAND)(((sc->id)->t_modifiers & ((1 << 12))) != 0) &&
1591 !MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)(((sc->id)->t_modifiers & ((1 << 13) | (1 <<
14))) == ((1 << 13) | (1 << 14))))
1592 return (0);
1593
1594#ifdef DDB1
1595 if (ksym == KS_Cmd_Debugger0xf420) {
1596 wskbd_debugger(sc);
1597 /* discard this key (ddb discarded command modifiers) */
1598 *type = WSCONS_EVENT_KEY_UP1;
1599 return (1);
1600 }
1601#endif
1602
1603#if NWSDISPLAY1 > 0
1604 if (sc->sc_displaydvsc_base.me_dispdv == NULL((void *)0))
1605 return (0);
1606
1607 switch (ksym) {
1608 case KS_Cmd_Screen00xf400:
1609 case KS_Cmd_Screen10xf401:
1610 case KS_Cmd_Screen20xf402:
1611 case KS_Cmd_Screen30xf403:
1612 case KS_Cmd_Screen40xf404:
1613 case KS_Cmd_Screen50xf405:
1614 case KS_Cmd_Screen60xf406:
1615 case KS_Cmd_Screen70xf407:
1616 case KS_Cmd_Screen80xf408:
1617 case KS_Cmd_Screen90xf409:
1618 case KS_Cmd_Screen100xf40a:
1619 case KS_Cmd_Screen110xf40b:
1620 wsdisplay_switch(sc->sc_displaydvsc_base.me_dispdv, ksym - KS_Cmd_Screen00xf400, 0);
1621 return (1);
1622 case KS_Cmd_ResetEmul0xf421:
1623 wsdisplay_reset(sc->sc_displaydvsc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1624 return (1);
1625 case KS_Cmd_ResetClose0xf422:
1626 wsdisplay_reset(sc->sc_displaydvsc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1627 return (1);
1628#if defined(__i386__) || defined(__amd64__1)
1629 case KS_Cmd_KbdReset0xf42e:
1630 switch (kbd_reset) {
1631#ifdef DDB1
1632 case 2:
1633 wskbd_debugger(sc);
1634 /* discard this key (ddb discarded command modifiers) */
1635 *type = WSCONS_EVENT_KEY_UP1;
1636 break;
1637#endif
1638 case 1:
1639 kbd_reset = 0;
1640 prsignal(initprocess, SIGUSR1)ptsignal((initprocess)->ps_mainproc, (30), SPROCESS);
1641 break;
1642 default:
1643 break;
1644 }
1645 return (1);
1646#endif
1647 case KS_Cmd_BacklightOn0xf423:
1648 case KS_Cmd_BacklightOff0xf424:
1649 case KS_Cmd_BacklightToggle0xf425:
1650 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT1,
1651 ksym == KS_Cmd_BacklightOff0xf424 ? -1 : 1,
1652 ksym == KS_Cmd_BacklightToggle0xf425 ? 1 : 0);
1653 return (1);
1654 case KS_Cmd_ContrastUp0xf429:
1655 case KS_Cmd_ContrastDown0xf42a:
1656 case KS_Cmd_ContrastRotate0xf42b:
1657 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST3,
1658 ksym == KS_Cmd_ContrastDown0xf42a ? -1 : 1,
1659 ksym == KS_Cmd_ContrastRotate0xf42b ? 1 : 0);
1660 return (1);
1661 }
1662#endif
1663 return (0);
1664}
1665
1666int
1667wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1668{
1669 struct wskbd_softc *sc = id->t_sc;
1
'sc' initialized here
→
1670 keysym_t ksym, res, *group;
1671 struct wscons_keymap kpbuf, *kp;
1672 int gindex, iscommand = 0;
1673
1674 if (type == WSCONS_EVENT_ALL_KEYS_UP3) {
2
←
Assuming 'type' is not equal to WSCONS_EVENT_ALL_KEYS_UP
→
3
←
Taking false branch
→
1675#if NWSDISPLAY1 > 0
1676 if (sc != NULL((void *)0) && sc->sc_repeating) {
1677 sc->sc_repeating = 0;
1678 timeout_del(&sc->sc_repeat_ch);
1679 }
1680#endif
1681 id->t_modifiers &= ~(MOD_SHIFT_L(1 << 0) | MOD_SHIFT_R(1 << 1) |
1682 MOD_CONTROL_L(1 << 4) | MOD_CONTROL_R(1 << 5) |
1683 MOD_META_L(1 << 6) | MOD_META_R(1 << 7) |
1684 MOD_MODESHIFT(1 << 8) | MOD_MODELOCK(1 << 15) |
1685 MOD_COMMAND(1 << 12) | MOD_COMMAND1(1 << 13) | MOD_COMMAND2(1 << 14));
1686 return (0);
1687 }
1688
1689 if (sc != NULL((void *)0)) {
4
←
Assuming 'sc' is equal to NULL
→
5
←
Taking false branch
→
1690 if (value < 0 || value >= sc->sc_maplen) {
1691#ifdef DEBUG
1692 printf("wskbd_translate: keycode %d out of range\n",
1693 value);
1694#endif
1695 return (0);
1696 }
1697 kp = sc->sc_map + value;
1698 } else {
1699 kp = &kpbuf;
1700 wskbd_get_mapentry(&id->t_keymap, value, kp);
1701 }
1702
1703 /* if this key has a command, process it first */
1704 if (sc
5.1
'sc' is equal to NULL
 != NULL((void *)0) && kp->command != KS_voidSymbol0xf500)
1705 iscommand = internal_command(sc, &type, kp->command,
1706 kp->group1[0]);
1707
1708 /* Now update modifiers */
1709 switch (kp->group1[0]) {
6
←
Control jumps to the 'default' case at line 1764
→
1710 case KS_Shift_L0xf101:
1711 update_modifier(id, type, 0, MOD_SHIFT_L(1 << 0));
1712 break;
1713
1714 case KS_Shift_R0xf102:
1715 update_modifier(id, type, 0, MOD_SHIFT_R(1 << 1));
1716 break;
1717
1718 case KS_Shift_Lock0xf106:
1719 update_modifier(id, type, 1, MOD_SHIFTLOCK(1 << 2));
1720 break;
1721
1722 case KS_Caps_Lock0xf105:
1723 update_modifier(id, type, 1, MOD_CAPSLOCK(1 << 3));
1724 break;
1725
1726 case KS_Control_L0xf103:
1727 update_modifier(id, type, 0, MOD_CONTROL_L(1 << 4));
1728 break;
1729
1730 case KS_Control_R0xf104:
1731 update_modifier(id, type, 0, MOD_CONTROL_R(1 << 5));
1732 break;
1733
1734 case KS_Alt_L0xf107:
1735 update_modifier(id, type, 0, MOD_META_L(1 << 6));
1736 break;
1737
1738 case KS_Alt_R0xf108:
1739 update_modifier(id, type, 0, MOD_META_R(1 << 7));
1740 break;
1741
1742 case KS_Mode_switch0xf10a:
1743 update_modifier(id, type, 0, MOD_MODESHIFT(1 << 8));
1744 break;
1745
1746 case KS_Mode_Lock0xf117:
1747 update_modifier(id, type, 1, MOD_MODELOCK(1 << 15));
1748 break;
1749
1750 case KS_Num_Lock0xf10b:
1751 update_modifier(id, type, 1, MOD_NUMLOCK(1 << 9));
1752 break;
1753
1754#if NWSDISPLAY1 > 0
1755 case KS_Hold_Screen0xf10c:
1756 if (sc != NULL((void *)0)) {
1757 update_modifier(id, type, 1, MOD_HOLDSCREEN(1 << 11));
1758 if (sc->sc_displaydvsc_base.me_dispdv != NULL((void *)0))
1759 wsdisplay_kbdholdscreen(sc->sc_displaydvsc_base.me_dispdv,
1760 id->t_modifiers & MOD_HOLDSCREEN(1 << 11));
1761 }
1762 break;
1763
1764 default:
1765 if (sc
6.1
'sc' is equal to NULL
 != NULL((void *)0) && sc->sc_repeating &&
1766 ((type == WSCONS_EVENT_KEY_UP1 && value != sc->sc_repkey) ||
1767 (type == WSCONS_EVENT_KEY_DOWN2 && value == sc->sc_repkey)))
1768 return (0);
1769 break;
1770#endif
1771 }
1772
1773#if NWSDISPLAY1 > 0
1774 if (sc
7.1
'sc' is equal to NULL
 != NULL((void *)0)) {
7
←
 Execution continues on line 1774
→
1775 if (sc->sc_repeating) {
1776 sc->sc_repeating = 0;
1777 timeout_del(&sc->sc_repeat_ch);
1778 }
1779 sc->sc_repkey = value;
1780 }
1781#endif
1782
1783 /* If this is a key release or we are in command mode, we are done */
1784 if (type != WSCONS_EVENT_KEY_DOWN2 || iscommand
8.1
'iscommand' is 0
)
8
←
Assuming 'type' is equal to WSCONS_EVENT_KEY_DOWN
→
1785 return (0);
1786
1787 /* Get the keysym */
1788 if (id->t_modifiers & (MOD_MODESHIFT(1 << 8)|MOD_MODELOCK(1 << 15)) &&
9
←
Assuming the condition is false
→
1789 !MOD_ONESET(id, MOD_ANYCONTROL)(((id)->t_modifiers & (((1 << 4) | (1 << 5
)))) != 0))
1790 group = & kp->group2[0];
1791 else
1792 group = & kp->group1[0];
1793
1794 if ((id->t_modifiers & MOD_NUMLOCK(1 << 9)) &&
10
←
Assuming the condition is false
→
1795 KS_GROUP(group[1])((group[1]) >= 0x0300 && (group[1]) < 0x0370 ? 0xf801
: (((group[1]) & 0xf000) == 0xe000 ? 0xf803 : (((group[1
]) & 0xf800) == 0xf000 ? ((group[1]) & 0xff00) : 0xf802
))) == KS_GROUP_Keypad0xf200) {
1796 gindex = !MOD_ONESET(id, MOD_ANYSHIFT)(((id)->t_modifiers & (((1 << 0) | (1 << 1
) | (1 << 2)))) != 0);
1797 ksym = group[gindex];
1798 } else {
1799 /* CAPS alone should only affect letter keys */
1800 if ((id->t_modifiers & (MOD_CAPSLOCK(1 << 3) | MOD_ANYSHIFT((1 << 0) | (1 << 1) | (1 << 2)))) ==
11
←
Assuming the condition is true
→
12
←
Taking true branch
→
1801 MOD_CAPSLOCK(1 << 3)) {
1802 gindex = 0;
1803 ksym = ksym_upcase(group[0]);
1804 } else {
1805 gindex = MOD_ONESET(id, MOD_ANYSHIFT)(((id)->t_modifiers & (((1 << 0) | (1 << 1
) | (1 << 2)))) != 0);
1806 ksym = group[gindex];
1807 }
1808 }
1809
1810 /* Submit Audio keys for hotkey processing */
1811 if (KS_GROUP(ksym)((ksym) >= 0x0300 && (ksym) < 0x0370 ? 0xf801 :
(((ksym) & 0xf000) == 0xe000 ? 0xf803 : (((ksym) & 0xf800
) == 0xf000 ? ((ksym) & 0xff00) : 0xf802))) == KS_GROUP_Function0xf300) {
13
←
Assuming 'ksym' is >= 768
→
14
←
Assuming 'ksym' is >= 880
→
15
←
'?' condition is false
→
16
←
Assuming the condition is false
→
17
←
'?' condition is false
→
18
←
Assuming the condition is true
→
19
←
'?' condition is true
→
20
←
Assuming the condition is true
→
21
←
Taking true branch
→
1812 switch (ksym) {
22
←
Control jumps to 'case 62419:' at line 1820
→
1813#if NAUDIO1 > 0
1814 case KS_AudioMute0xf3d1:
1815 wskbd_set_mixervolume_dev(sc->sc_audiocookie, 0, 1);
1816 return (0);
1817 case KS_AudioLower0xf3d2:
1818 wskbd_set_mixervolume_dev(sc->sc_audiocookie, -1, 1);
1819 return (0);
1820 case KS_AudioRaise0xf3d3:
1821 wskbd_set_mixervolume_dev(sc->sc_audiocookie, 1, 1);
23
←
Access to field 'sc_audiocookie' results in a dereference of a null pointer (loaded from variable 'sc')
1822 return (0);
1823#endif
1824 default:
1825 break;
1826 }
1827 }
1828
1829 /* Process compose sequence and dead accents */
1830 res = KS_voidSymbol0xf500;
1831
1832 switch (KS_GROUP(ksym)((ksym) >= 0x0300 && (ksym) < 0x0370 ? 0xf801 :
(((ksym) & 0xf000) == 0xe000 ? 0xf803 : (((ksym) & 0xf800
) == 0xf000 ? ((ksym) & 0xff00) : 0xf802)))) {
1833 case KS_GROUP_Ascii0xf802:
1834 case KS_GROUP_Keypad0xf200:
1835 case KS_GROUP_Function0xf300:
1836 res = ksym;
1837 break;
1838
1839 case KS_GROUP_Mod0xf100:
1840 if (ksym == KS_Multi_key0xf109) {
1841 update_modifier(id, 1, 0, MOD_COMPOSE(1 << 10));
1842 id->t_composelen = 2;
1843 }
1844 break;
1845
1846 case KS_GROUP_Dead0xf801:
1847 if (id->t_composelen == 0) {
1848 update_modifier(id, 1, 0, MOD_COMPOSE(1 << 10));
1849 id->t_composelen = 1;
1850 id->t_composebuf[0] = ksym;
1851 } else
1852 res = ksym;
1853 break;
1854 }
1855
1856 if (res == KS_voidSymbol0xf500)
1857 return (0);
1858
1859 if (id->t_composelen > 0) {
1860 /*
1861 * If the compose key also serves as AltGr (i.e. set to both
1862 * KS_Multi_key and KS_Mode_switch), and would provide a valid,
1863 * distinct combination as AltGr, leave compose mode.
1864 */
1865 if (id->t_composelen == 2 && group == &kp->group2[0]) {
1866 if (kp->group1[gindex] != kp->group2[gindex])
1867 id->t_composelen = 0;
1868 }
1869
1870 if (id->t_composelen != 0) {
1871 id->t_composebuf[2 - id->t_composelen] = res;
1872 if (--id->t_composelen == 0) {
1873 res = wskbd_compose_value(id->t_composebuf);
1874 update_modifier(id, 0, 0, MOD_COMPOSE(1 << 10));
1875 } else {
1876 return (0);
1877 }
1878 }
1879 }
1880
1881 /* We are done, return the symbol */
1882 if (KS_GROUP(res)((res) >= 0x0300 && (res) < 0x0370 ? 0xf801 : (
((res) & 0xf000) == 0xe000 ? 0xf803 : (((res) & 0xf800
) == 0xf000 ? ((res) & 0xff00) : 0xf802))) == KS_GROUP_Ascii0xf802) {
1883 if (MOD_ONESET(id, MOD_ANYCONTROL)(((id)->t_modifiers & (((1 << 4) | (1 << 5
)))) != 0)) {
1884 if ((res >= KS_at0x40 && res <= KS_z0x7a) || res == KS_space0x20)
1885 res = res & 0x1f;
1886 else if (res == KS_20x32)
1887 res = 0x00;
1888 else if (res >= KS_30x33 && res <= KS_70x37)
1889 res = KS_Escape0x1b + (res - KS_30x33);
1890 else if (res == KS_80x38)
1891 res = KS_Delete0x7f;
1892 }
1893 if (MOD_ONESET(id, MOD_ANYMETA)(((id)->t_modifiers & (((1 << 6) | (1 << 7
)))) != 0)) {
1894 if (id->t_flags & WSKFL_METAESC1) {
1895 id->t_symbols[0] = KS_Escape0x1b;
1896 id->t_symbols[1] = res;
1897 return (2);
1898 } else
1899 res |= 0x80;
1900 }
1901 }
1902
1903 id->t_symbols[0] = res;
1904 return (1);
1905}
1906
1907void
1908wskbd_debugger(struct wskbd_softc *sc)
1909{
1910#ifdef DDB1
1911 if (sc->sc_isconsole && db_console) {
1912 if (sc->id->t_consops->debugger != NULL((void *)0)) {
1913 (*sc->id->t_consops->debugger)
1914 (sc->id->t_consaccesscookie);
1915 } else
1916 db_enter();
1917 }
1918#endif
1919}
1920
1921void
1922wskbd_set_keymap(struct wskbd_softc *sc, struct wscons_keymap *map, int maplen)
1923{
1924 free(sc->sc_map, M_DEVBUF2, sc->sc_maplen * sizeof(*sc->sc_map));
1925 sc->sc_map = map;
1926 sc->sc_maplen = maplen;
1927}
1928
1929void
1930wskbd_kbd_backlight_task(void *arg)
1931{
1932 struct wskbd_softc *sc = arg;
1933 struct wskbd_backlight data;
1934 int step, val;
1935 u_int cmd;
1936
1937 if (wskbd_get_backlight == NULL((void *)0) || wskbd_set_backlight == NULL((void *)0))
1938 return;
1939
1940 cmd = atomic_swap_uint(&sc->sc_kbd_backlight_cmd, 0)_atomic_swap_uint((&sc->sc_kbd_backlight_cmd), (0));
1941 if (cmd != KBD_BACKLIGHT_UP &&
1942 cmd != KBD_BACKLIGHT_DOWN &&
1943 cmd != KBD_BACKLIGHT_TOGGLE)
1944 return;
1945
1946 (*wskbd_get_backlight)(&data);
1947 step = (data.max - data.min + 1) / 8;
1948 val = (cmd == KBD_BACKLIGHT_UP) ? data.curval + step :
1949 (cmd == KBD_BACKLIGHT_DOWN) ? data.curval - step :
1950 (data.curval) ? 0 : (data.max - data.min + 1) / 2;
1951 data.curval = (val > 0xff) ? 0xff : (val < 0) ? 0 : val;
1952 (*wskbd_set_backlight)(&data);
1953}
1954
1955#if NWSDISPLAY1 > 0
1956void
1957wskbd_brightness_task(void *arg)
1958{
1959 struct wskbd_softc *sc = arg;
1960 int steps = atomic_swap_uint(&sc->sc_brightness_steps, 0)_atomic_swap_uint((&sc->sc_brightness_steps), (0));
1961 int dir = 1;
1962
1963 if (steps < 0) {
1964 steps = -steps;
1965 dir = -1;
1966 }
1967 while (steps--)
1968 wsdisplay_brightness_step(NULL((void *)0), dir);
1969}
1970#endif