The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/adb/adb_kbd.c

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    1 /*      $NetBSD: adb_kbd.c,v 1.12 2008/03/26 18:04:15 matt Exp $        */
    2 
    3 /*
    4  * Copyright (C) 1998   Colin Wood
    5  * Copyright (C) 2006, 2007 Michael Lorenz
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. All advertising materials mentioning features or use of this software
   17  *    must display the following acknowledgement:
   18  *      This product includes software developed by Colin Wood.
   19  * 4. The name of the author may not be used to endorse or promote products
   20  *    derived from this software without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   32  */
   33 
   34 #include <sys/cdefs.h>
   35 __KERNEL_RCSID(0, "$NetBSD: adb_kbd.c,v 1.12 2008/03/26 18:04:15 matt Exp $");
   36 
   37 #include <sys/param.h>
   38 #include <sys/device.h>
   39 #include <sys/fcntl.h>
   40 #include <sys/poll.h>
   41 #include <sys/select.h>
   42 #include <sys/proc.h>
   43 #include <sys/systm.h>
   44 #include <sys/kernel.h>
   45 #include <sys/sysctl.h>
   46 
   47 #include <dev/wscons/wsconsio.h>
   48 #include <dev/wscons/wskbdvar.h>
   49 #include <dev/wscons/wsksymdef.h>
   50 #include <dev/wscons/wsksymvar.h>
   51 #include <dev/wscons/wsmousevar.h>
   52 
   53 #include <dev/sysmon/sysmonvar.h>
   54 #include <dev/sysmon/sysmon_taskq.h>
   55 
   56 #include <machine/autoconf.h>
   57 #include <machine/keyboard.h>
   58 #include <machine/adbsys.h>
   59 
   60 #include <dev/adb/adbvar.h>
   61 #include <dev/adb/adb_keymap.h>
   62 
   63 #include "opt_wsdisplay_compat.h"
   64 #include "adbdebug.h"
   65 #include "wsmouse.h"
   66 
   67 struct adbkbd_softc {
   68         device_t sc_dev;
   69         struct adb_device *sc_adbdev;
   70         struct adb_bus_accessops *sc_ops;
   71         device_t sc_wskbddev;
   72 #if NWSMOUSE > 0
   73         device_t sc_wsmousedev;
   74 #endif
   75         struct sysmon_pswitch sc_sm_pbutton;
   76         int sc_leds;
   77         int sc_have_led_control;
   78         int sc_msg_len;
   79         int sc_event;
   80         int sc_poll;
   81         int sc_polled_chars;
   82         int sc_trans[3];
   83         int sc_capslock;
   84         uint32_t sc_timestamp;
   85 #ifdef WSDISPLAY_COMPAT_RAWKBD
   86         int sc_rawkbd;
   87 #endif
   88         uint8_t sc_buffer[16];
   89         uint8_t sc_pollbuf[16];
   90         uint8_t sc_us;
   91         uint8_t sc_power, sc_pe;
   92 };      
   93 
   94 /*
   95  * Function declarations.
   96  */
   97 static int      adbkbd_match(device_t, cfdata_t, void *);
   98 static void     adbkbd_attach(device_t, device_t, void *);
   99 
  100 static void     adbkbd_initleds(struct adbkbd_softc *);
  101 static void     adbkbd_keys(struct adbkbd_softc *, uint8_t, uint8_t);
  102 static inline void adbkbd_key(struct adbkbd_softc *, uint8_t);
  103 static int      adbkbd_wait(struct adbkbd_softc *, int);
  104 
  105 /* Driver definition. */
  106 CFATTACH_DECL_NEW(adbkbd, sizeof(struct adbkbd_softc),
  107     adbkbd_match, adbkbd_attach, NULL, NULL);
  108 
  109 extern struct cfdriver adbkbd_cd;
  110 
  111 static int adbkbd_enable(void *, int);
  112 static int adbkbd_ioctl(void *, u_long, void *, int, struct lwp *);
  113 static void adbkbd_set_leds(void *, int);
  114 static void adbkbd_handler(void *, int, uint8_t *);
  115 static void adbkbd_powerbutton(void *);
  116 
  117 struct wskbd_accessops adbkbd_accessops = {
  118         adbkbd_enable,
  119         adbkbd_set_leds,
  120         adbkbd_ioctl,
  121 };
  122 
  123 static void adbkbd_cngetc(void *, u_int *, int *);
  124 static void adbkbd_cnpollc(void *, int);
  125 
  126 struct wskbd_consops adbkbd_consops = {
  127         adbkbd_cngetc,
  128         adbkbd_cnpollc,
  129 };
  130 
  131 struct wskbd_mapdata adbkbd_keymapdata = {
  132         akbd_keydesctab,
  133 #ifdef AKBD_LAYOUT
  134         AKBD_LAYOUT,
  135 #else
  136         KB_US,
  137 #endif
  138 };
  139 
  140 #if NWSMOUSE > 0
  141 static int adbkms_enable(void *);
  142 static int adbkms_ioctl(void *, u_long, void *, int, struct lwp *);
  143 static void adbkms_disable(void *);
  144 
  145 const struct wsmouse_accessops adbkms_accessops = {
  146         adbkms_enable,
  147         adbkms_ioctl,
  148         adbkms_disable,
  149 };
  150 
  151 static int  adbkbd_sysctl_button(SYSCTLFN_ARGS);
  152 static void adbkbd_setup_sysctl(struct adbkbd_softc *);
  153 
  154 #endif /* NWSMOUSE > 0 */
  155 
  156 #ifdef ADBKBD_DEBUG
  157 #define DPRINTF printf
  158 #else
  159 #define DPRINTF while (0) printf
  160 #endif
  161 
  162 static int adbkbd_is_console = 0;
  163 static int adbkbd_console_attached = 0;
  164 
  165 static int
  166 adbkbd_match(device_t parent, cfdata_t cf, void *aux)
  167 {
  168         struct adb_attach_args *aaa = aux;
  169 
  170         if (aaa->dev->original_addr == ADBADDR_KBD)
  171                 return 1;
  172         else
  173                 return 0;
  174 }
  175 
  176 static void
  177 adbkbd_attach(device_t parent, device_t self, void *aux)
  178 {
  179         struct adbkbd_softc *sc = device_private(self);
  180         struct adb_attach_args *aaa = aux;
  181         short cmd;
  182         struct wskbddev_attach_args a;
  183 #if NWSMOUSE > 0
  184         struct wsmousedev_attach_args am;
  185 #endif
  186 
  187         sc->sc_dev = self;
  188         sc->sc_ops = aaa->ops;
  189         sc->sc_adbdev = aaa->dev;
  190         sc->sc_adbdev->cookie = sc;
  191         sc->sc_adbdev->handler = adbkbd_handler;
  192         sc->sc_us = ADBTALK(sc->sc_adbdev->current_addr, 0);
  193 
  194         sc->sc_leds = 0;        /* initially off */
  195         sc->sc_have_led_control = 0;
  196         sc->sc_msg_len = 0;
  197         sc->sc_poll = 0;
  198         sc->sc_capslock = 0;
  199         sc->sc_trans[1] = 103;  /* F11 */
  200         sc->sc_trans[2] = 111;  /* F12 */
  201         sc->sc_power = 0x7f;
  202         sc->sc_timestamp = 0;
  203 
  204         printf(" addr %d: ", sc->sc_adbdev->current_addr);
  205 
  206         switch (sc->sc_adbdev->handler_id) {
  207         case ADB_STDKBD:
  208                 printf("standard keyboard\n");
  209                 break;
  210         case ADB_ISOKBD:
  211                 printf("standard keyboard (ISO layout)\n");
  212                 break;
  213         case ADB_EXTKBD:
  214                 cmd = ADBTALK(sc->sc_adbdev->current_addr, 1);
  215                 sc->sc_msg_len = 0;
  216                 sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
  217                 adbkbd_wait(sc, 10);
  218 
  219                 /* Ignore Logitech MouseMan/Trackman pseudo keyboard */
  220                 /* XXX needs testing */
  221                 if (sc->sc_buffer[2] == 0x9a && sc->sc_buffer[3] == 0x20) {
  222                         printf("Mouseman (non-EMP) pseudo keyboard\n");
  223                         return;
  224                 } else if (sc->sc_buffer[2] == 0x9a && 
  225                     sc->sc_buffer[3] == 0x21) {
  226                         printf("Trackman (non-EMP) pseudo keyboard\n");
  227                         return;
  228                 } else {
  229                         printf("extended keyboard\n");
  230                         adbkbd_initleds(sc);
  231                 }
  232                 break;
  233         case ADB_EXTISOKBD:
  234                 printf("extended keyboard (ISO layout)\n");
  235                 adbkbd_initleds(sc);
  236                 break;
  237         case ADB_KBDII:
  238                 printf("keyboard II\n");
  239                 break;
  240         case ADB_ISOKBDII:
  241                 printf("keyboard II (ISO layout)\n");
  242                 break;
  243         case ADB_PBKBD:
  244                 printf("PowerBook keyboard\n");
  245                 sc->sc_power = 0x7e;
  246                 break;
  247         case ADB_PBISOKBD:
  248                 printf("PowerBook keyboard (ISO layout)\n");
  249                 sc->sc_power = 0x7e;
  250                 break;
  251         case ADB_ADJKPD:
  252                 printf("adjustable keypad\n");
  253                 break;
  254         case ADB_ADJKBD:
  255                 printf("adjustable keyboard\n");
  256                 break;
  257         case ADB_ADJISOKBD:
  258                 printf("adjustable keyboard (ISO layout)\n");
  259                 break;
  260         case ADB_ADJJAPKBD:
  261                 printf("adjustable keyboard (Japanese layout)\n");
  262                 break;
  263         case ADB_PBEXTISOKBD:
  264                 printf("PowerBook extended keyboard (ISO layout)\n");
  265                 sc->sc_power = 0x7e;
  266                 break;
  267         case ADB_PBEXTJAPKBD:
  268                 printf("PowerBook extended keyboard (Japanese layout)\n");
  269                 sc->sc_power = 0x7e;
  270                 break;
  271         case ADB_JPKBDII:
  272                 printf("keyboard II (Japanese layout)\n");
  273                 break;
  274         case ADB_PBEXTKBD:
  275                 printf("PowerBook extended keyboard\n");
  276                 sc->sc_power = 0x7e;
  277                 break;
  278         case ADB_DESIGNKBD:
  279                 printf("extended keyboard\n");
  280                 adbkbd_initleds(sc);
  281                 break;
  282         case ADB_PBJPKBD:
  283                 printf("PowerBook keyboard (Japanese layout)\n");
  284                 sc->sc_power = 0x7e;
  285                 break;
  286         case ADB_PBG3KBD:
  287                 printf("PowerBook G3 keyboard\n");
  288                 sc->sc_power = 0x7e;
  289                 break;
  290         case ADB_PBG3JPKBD:
  291                 printf("PowerBook G3 keyboard (Japanese layout)\n");
  292                 sc->sc_power = 0x7e;
  293                 break;
  294         case ADB_IBOOKKBD:
  295                 printf("iBook keyboard\n");
  296                 break;
  297         default:
  298                 printf("mapped device (%d)\n", sc->sc_adbdev->handler_id);
  299                 break;
  300         }
  301 
  302         if (adbkbd_is_console && (adbkbd_console_attached == 0)) {
  303                 wskbd_cnattach(&adbkbd_consops, sc, &adbkbd_keymapdata);
  304                 adbkbd_console_attached = 1;
  305                 a.console = 1;
  306         } else {
  307                 a.console = 0;
  308         }
  309         a.keymap = &adbkbd_keymapdata;
  310         a.accessops = &adbkbd_accessops;
  311         a.accesscookie = sc;
  312 
  313         sc->sc_wskbddev = config_found_ia(self, "wskbddev", &a, wskbddevprint);
  314 
  315 #if NWSMOUSE > 0
  316         /* attach the mouse device */
  317         am.accessops = &adbkms_accessops;
  318         am.accesscookie = sc;
  319         sc->sc_wsmousedev = config_found_ia(self, "wsmousedev", &am, 
  320             wsmousedevprint);
  321 
  322         if (sc->sc_wsmousedev != NULL)
  323                 adbkbd_setup_sysctl(sc);
  324 #endif
  325 
  326         /* finally register the power button */
  327         sysmon_task_queue_init();
  328         memset(&sc->sc_sm_pbutton, 0, sizeof(struct sysmon_pswitch));
  329         sc->sc_sm_pbutton.smpsw_name = device_xname(sc->sc_dev);
  330         sc->sc_sm_pbutton.smpsw_type = PSWITCH_TYPE_POWER;
  331         if (sysmon_pswitch_register(&sc->sc_sm_pbutton) != 0)
  332                 aprint_error_dev(sc->sc_dev,
  333                     "unable to register power button with sysmon\n");
  334 }
  335 
  336 static void
  337 adbkbd_handler(void *cookie, int len, uint8_t *data)
  338 {
  339         struct adbkbd_softc *sc = cookie;
  340 
  341 #ifdef ADBKBD_DEBUG
  342         int i;
  343         printf("%s: %02x - ", device_xname(sc->sc_dev), sc->sc_us);
  344         for (i = 0; i < len; i++) {
  345                 printf(" %02x", data[i]);
  346         }
  347         printf("\n");
  348 #endif
  349         if (len >= 2) {
  350                 if (data[1] == sc->sc_us) {
  351                         adbkbd_keys(sc, data[2], data[3]);
  352                         return;
  353                 } else {
  354                         memcpy(sc->sc_buffer, data, len);
  355                 }
  356                 sc->sc_msg_len = len;
  357                 wakeup(&sc->sc_event);
  358         } else {
  359                 DPRINTF("bogus message\n");
  360         }
  361 }
  362 
  363 static int
  364 adbkbd_wait(struct adbkbd_softc *sc, int timeout)
  365 {
  366         int cnt = 0;
  367         
  368         if (sc->sc_poll) {
  369                 while (sc->sc_msg_len == 0) {
  370                         sc->sc_ops->poll(sc->sc_ops->cookie);
  371                 }
  372         } else {
  373                 while ((sc->sc_msg_len == 0) && (cnt < timeout)) {
  374                         tsleep(&sc->sc_event, 0, "adbkbdio", hz);
  375                         cnt++;
  376                 }
  377         }
  378         return (sc->sc_msg_len > 0);
  379 }
  380 
  381 static void
  382 adbkbd_keys(struct adbkbd_softc *sc, uint8_t k1, uint8_t k2)
  383 {
  384 
  385         /* keyboard event processing */
  386 
  387         DPRINTF("[%02x %02x]", k1, k2);
  388 
  389         if (((k1 == k2) && (k1 == 0x7f)) || (k1 == sc->sc_power)) {
  390                 uint32_t now = time_second;
  391                 uint32_t diff = now - sc->sc_timestamp;
  392 
  393                 sc->sc_timestamp = now;
  394                 if ((diff > 1) && (diff < 5)) {
  395 
  396                         /* power button, report to sysmon */
  397                         sc->sc_pe = k1;
  398                 
  399                         sysmon_task_queue_sched(0, adbkbd_powerbutton, sc);
  400                 }
  401         } else {
  402 
  403                 adbkbd_key(sc, k1);
  404                 if (k2 != 0xff)
  405                         adbkbd_key(sc, k2);
  406         }
  407 }
  408 
  409 static void
  410 adbkbd_powerbutton(void *cookie)
  411 {
  412         struct adbkbd_softc *sc = cookie;
  413 
  414         sysmon_pswitch_event(&sc->sc_sm_pbutton, 
  415             ADBK_PRESS(sc->sc_pe) ? PSWITCH_EVENT_PRESSED :
  416             PSWITCH_EVENT_RELEASED);
  417 }
  418 
  419 static inline void
  420 adbkbd_key(struct adbkbd_softc *sc, uint8_t k)
  421 {
  422 
  423         if (sc->sc_poll) {
  424                 if (sc->sc_polled_chars >= 16) {
  425                         aprint_error_dev(sc->sc_dev,"polling buffer is full\n");
  426                 }
  427                 sc->sc_pollbuf[sc->sc_polled_chars] = k;
  428                 sc->sc_polled_chars++;
  429                 return;
  430         }
  431 
  432 #if NWSMOUSE > 0
  433         /* translate some keys to mouse events */
  434         if (sc->sc_wsmousedev != NULL) {
  435                 if (ADBK_KEYVAL(k) == sc->sc_trans[1]) {
  436                         wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 2 : 0,
  437                               0, 0, 0, 0,
  438                               WSMOUSE_INPUT_DELTA);
  439                         return;
  440                 }                       
  441                 if (ADBK_KEYVAL(k) == sc->sc_trans[2]) {
  442                         wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 4 : 0,
  443                               0, 0, 0, 0,
  444                               WSMOUSE_INPUT_DELTA);
  445                         return;
  446                 }                       
  447         }
  448 #endif
  449 
  450 #ifdef WSDISPLAY_COMPAT_RAWKBD
  451         if (sc->sc_rawkbd) {
  452                 char cbuf[2];
  453                 int s;
  454 
  455                 cbuf[0] = k;
  456 
  457                 s = spltty();
  458                 wskbd_rawinput(sc->sc_wskbddev, cbuf, 1);
  459                 splx(s);
  460         } else {
  461 #endif
  462 
  463         if (ADBK_KEYVAL(k) == 0x39) {
  464                 /* caps lock - send up and down */
  465                 if (ADBK_PRESS(k) != sc->sc_capslock) {
  466                         sc->sc_capslock = ADBK_PRESS(k);
  467                         wskbd_input(sc->sc_wskbddev,
  468                             WSCONS_EVENT_KEY_DOWN, 0x39);
  469                         wskbd_input(sc->sc_wskbddev,
  470                             WSCONS_EVENT_KEY_UP, 0x39);
  471                 }
  472         } else {
  473                 /* normal event */
  474                 int type;
  475 
  476                 type = ADBK_PRESS(k) ? 
  477                     WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
  478                 wskbd_input(sc->sc_wskbddev, type, ADBK_KEYVAL(k));
  479         }
  480 #ifdef WSDISPLAY_COMPAT_RAWKBD
  481         }
  482 #endif
  483 }
  484 
  485 /*
  486  * Set the keyboard LED's.
  487  * 
  488  * Automatically translates from ioctl/softc format to the
  489  * actual keyboard register format
  490  */
  491 static void
  492 adbkbd_set_leds(void *cookie, int leds)
  493 {
  494         struct adbkbd_softc *sc = cookie;
  495         int aleds;
  496         short cmd;
  497         uint8_t buffer[2];
  498 
  499         DPRINTF("adbkbd_set_leds: %02x\n", leds);
  500         if ((leds & 0x07) == (sc->sc_leds & 0x07))
  501                 return;
  502 
  503         if (sc->sc_have_led_control) {
  504 
  505                 aleds = (~leds & 0x04) | 3;
  506                 if (leds & 1)
  507                         aleds &= ~2;
  508                 if (leds & 2)
  509                         aleds &= ~1;
  510 
  511                 buffer[0] = 0xff;
  512                 buffer[1] = aleds | 0xf8;
  513         
  514                 cmd = ADBLISTEN(sc->sc_adbdev->current_addr, 2);
  515                 sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 2, 
  516                     buffer);
  517         }
  518 
  519         sc->sc_leds = leds & 7;
  520 }
  521 
  522 static void 
  523 adbkbd_initleds(struct adbkbd_softc *sc)
  524 {
  525         short cmd;
  526 
  527         /* talk R2 */
  528         cmd = ADBTALK(sc->sc_adbdev->current_addr, 2);
  529         sc->sc_msg_len = 0;
  530         sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
  531         if (!adbkbd_wait(sc, 10)) {
  532                 printf("unable to read LED state\n");
  533                 return;
  534         }
  535         sc->sc_have_led_control = 1;
  536         DPRINTF("have LED control\n");  
  537         return;
  538 }
  539 
  540 static int
  541 adbkbd_enable(void *v, int on)
  542 {
  543         return 0;
  544 }
  545 
  546 static int
  547 adbkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
  548 {
  549         struct adbkbd_softc *sc = (struct adbkbd_softc *) v;
  550 
  551         switch (cmd) {
  552 
  553         case WSKBDIO_GTYPE:
  554                 *(int *)data = WSKBD_TYPE_ADB;
  555                 return 0;
  556         case WSKBDIO_SETLEDS:
  557                 adbkbd_set_leds(sc, *(int *)data);
  558                 return 0;
  559         case WSKBDIO_GETLEDS:
  560                 *(int *)data = sc->sc_leds;
  561                 return 0;
  562 #ifdef WSDISPLAY_COMPAT_RAWKBD
  563         case WSKBDIO_SETMODE:
  564                 sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
  565                 return 0;
  566 #endif
  567         }
  568 
  569         return EPASSTHROUGH;
  570 }
  571 
  572 int
  573 adbkbd_cnattach()
  574 {
  575 
  576         adbkbd_is_console = 1;
  577         return 0;
  578 }
  579 
  580 static void
  581 adbkbd_cngetc(void *v, u_int *type, int *data)
  582 {
  583         struct adbkbd_softc *sc = v;
  584         int key, press, val;
  585         int s;
  586 
  587         s = splhigh();
  588 
  589         KASSERT(sc->sc_poll);
  590 
  591         DPRINTF("polling...");
  592         while (sc->sc_polled_chars == 0) {
  593                 sc->sc_ops->poll(sc->sc_ops->cookie);
  594         }
  595         DPRINTF(" got one\n");
  596         splx(s);
  597 
  598         key = sc->sc_pollbuf[0];
  599         sc->sc_polled_chars--;
  600         memmove(sc->sc_pollbuf, sc->sc_pollbuf + 1,
  601                 sc->sc_polled_chars);
  602 
  603         press = ADBK_PRESS(key);
  604         val = ADBK_KEYVAL(key);
  605 
  606         *data = val;
  607         *type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
  608 }
  609 
  610 static void
  611 adbkbd_cnpollc(void *v, int on)
  612 {
  613         struct adbkbd_softc *sc = v;
  614 
  615         sc->sc_poll = on;
  616         if (!on) {
  617                 int i;
  618 
  619                 /* feed the poll buffer's content to wskbd */
  620                 for (i = 0; i < sc->sc_polled_chars; i++) {
  621                         adbkbd_key(sc, sc->sc_pollbuf[i]);
  622                 }
  623                 sc->sc_polled_chars = 0;
  624         }
  625 }
  626 
  627 #if NWSMOUSE > 0
  628 /* stuff for the pseudo mouse */
  629 static int
  630 adbkms_enable(void *v)
  631 {
  632         return 0;
  633 }
  634 
  635 static int
  636 adbkms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
  637 {
  638 
  639         switch (cmd) {
  640         case WSMOUSEIO_GTYPE:
  641                 *(u_int *)data = WSMOUSE_TYPE_PSEUDO;
  642                 break;
  643 
  644         default:
  645                 return (EPASSTHROUGH);
  646         }
  647         return (0);
  648 }
  649 
  650 static void
  651 adbkms_disable(void *v)
  652 {
  653 }
  654 
  655 static void
  656 adbkbd_setup_sysctl(struct adbkbd_softc *sc)
  657 {
  658         struct sysctlnode *node, *me;
  659         int ret;
  660 
  661         DPRINTF("%s: sysctl setup\n", device_xname(sc->sc_dev));
  662         ret = sysctl_createv(NULL, 0, NULL, (const struct sysctlnode **)&me,
  663                CTLFLAG_READWRITE,
  664                CTLTYPE_NODE, device_xname(sc->sc_dev), NULL,
  665                NULL, 0, NULL, 0,
  666                CTL_MACHDEP, CTL_CREATE, CTL_EOL);
  667 
  668         ret = sysctl_createv(NULL, 0, NULL,
  669             (const struct sysctlnode **)&node, 
  670             CTLFLAG_READWRITE | CTLFLAG_OWNDESC | CTLFLAG_IMMEDIATE,
  671             CTLTYPE_INT, "middle", "middle mouse button", adbkbd_sysctl_button, 
  672                     1, NULL, 0, CTL_MACHDEP, me->sysctl_num, CTL_CREATE, 
  673                     CTL_EOL);
  674         node->sysctl_data = sc;
  675 
  676         ret = sysctl_createv(NULL, 0, NULL, 
  677             (const struct sysctlnode **)&node, 
  678             CTLFLAG_READWRITE | CTLFLAG_OWNDESC | CTLFLAG_IMMEDIATE,
  679             CTLTYPE_INT, "right", "right mouse button", adbkbd_sysctl_button, 
  680                     2, NULL, 0, CTL_MACHDEP, me->sysctl_num, CTL_CREATE, 
  681                     CTL_EOL);
  682         node->sysctl_data = sc;
  683 }
  684 
  685 static int
  686 adbkbd_sysctl_button(SYSCTLFN_ARGS)
  687 {
  688         struct sysctlnode node = *rnode;
  689         struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
  690         const int *np = newp;
  691         int btn = node.sysctl_idata, reg;
  692 
  693         DPRINTF("adbkbd_sysctl_button %d\n", btn);
  694         node.sysctl_idata = sc->sc_trans[btn];
  695         reg = sc->sc_trans[btn];
  696         if (np) {
  697                 /* we're asked to write */      
  698                 node.sysctl_data = &reg;
  699                 if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
  700                         
  701                         sc->sc_trans[btn] = node.sysctl_idata;
  702                         return 0;
  703                 }
  704                 return EINVAL;
  705         } else {
  706                 node.sysctl_size = 4;
  707                 return (sysctl_lookup(SYSCTLFN_CALL(&node)));
  708         }
  709 }
  710 
  711 SYSCTL_SETUP(sysctl_adbkbdtrans_setup, "adbkbd translator setup")
  712 {
  713 
  714         sysctl_createv(NULL, 0, NULL, NULL,
  715                        CTLFLAG_PERMANENT,
  716                        CTLTYPE_NODE, "machdep", NULL,
  717                        NULL, 0, NULL, 0,
  718                        CTL_MACHDEP, CTL_EOL);
  719 }
  720 #endif /* NWSMOUSE > 0 */

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