The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/dec/dzkbd.c

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    1 /*      $NetBSD: dzkbd.c,v 1.12 2003/08/07 16:30:54 agc Exp $   */
    2 
    3 /*
    4  * Copyright (c) 1992, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * This software was developed by the Computer Systems Engineering group
    8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
    9  * contributed to Berkeley.
   10  *
   11  * All advertising materials mentioning features or use of this software
   12  * must display the following acknowledgement:
   13  *      This product includes software developed by the University of
   14  *      California, Lawrence Berkeley Laboratory.
   15  *
   16  * Redistribution and use in source and binary forms, with or without
   17  * modification, are permitted provided that the following conditions
   18  * are met:
   19  * 1. Redistributions of source code must retain the above copyright
   20  *    notice, this list of conditions and the following disclaimer.
   21  * 2. Redistributions in binary form must reproduce the above copyright
   22  *    notice, this list of conditions and the following disclaimer in the
   23  *    documentation and/or other materials provided with the distribution.
   24  * 3. Neither the name of the University nor the names of its contributors
   25  *    may be used to endorse or promote products derived from this software
   26  *    without specific prior written permission.
   27  *
   28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   38  * SUCH DAMAGE.
   39  *
   40  *      @(#)kbd.c       8.2 (Berkeley) 10/30/93
   41  */
   42 
   43 /*
   44  * LK200/LK400 keyboard attached to line 0 of the DZ*-11
   45  */
   46 
   47 #include <sys/cdefs.h>
   48 __KERNEL_RCSID(0, "$NetBSD: dzkbd.c,v 1.12 2003/08/07 16:30:54 agc Exp $");
   49 
   50 #include <sys/param.h>
   51 #include <sys/systm.h>
   52 #include <sys/device.h>
   53 #include <sys/ioctl.h>
   54 #include <sys/syslog.h>
   55 #include <sys/malloc.h>
   56 
   57 #include <dev/wscons/wsconsio.h>
   58 #include <dev/wscons/wskbdvar.h>
   59 #include <dev/wscons/wsksymdef.h>
   60 #include <dev/wscons/wsksymvar.h>
   61 #include <dev/dec/wskbdmap_lk201.h>
   62 
   63 #include <machine/bus.h> 
   64 
   65 #include <dev/dec/dzreg.h>
   66 #include <dev/dec/dzvar.h>
   67 #include <dev/dec/dzkbdvar.h>
   68 #include <dev/dec/lk201reg.h>
   69 #include <dev/dec/lk201var.h>
   70 
   71 #include "locators.h"
   72 
   73 struct dzkbd_internal {
   74         struct dz_linestate *dzi_ls;
   75         struct lk201_state dzi_ks;
   76 };
   77 
   78 struct dzkbd_internal dzkbd_console_internal;
   79 
   80 struct dzkbd_softc {
   81         struct device dzkbd_dev;        /* required first: base device */
   82 
   83         struct dzkbd_internal *sc_itl;
   84 
   85         int sc_enabled;
   86         int kbd_type;
   87     
   88         struct device *sc_wskbddev;
   89 };
   90 
   91 static int      dzkbd_input __P((void *, int));
   92 
   93 static int      dzkbd_match __P((struct device *, struct cfdata *, void *));
   94 static void     dzkbd_attach __P((struct device *, struct device *, void *));
   95 
   96 CFATTACH_DECL(dzkbd, sizeof(struct dzkbd_softc),
   97     dzkbd_match, dzkbd_attach, NULL, NULL);
   98 
   99 static int      dzkbd_enable __P((void *, int));
  100 static void     dzkbd_set_leds __P((void *, int));
  101 static int      dzkbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
  102 
  103 const struct wskbd_accessops dzkbd_accessops = {
  104         dzkbd_enable,
  105         dzkbd_set_leds,
  106         dzkbd_ioctl,
  107 };
  108 
  109 static void     dzkbd_cngetc(void *, u_int *, int *);
  110 static void     dzkbd_cnpollc(void *, int);
  111 
  112 const struct wskbd_consops dzkbd_consops = {
  113         dzkbd_cngetc,
  114         dzkbd_cnpollc,
  115 };
  116 
  117 static int dzkbd_sendchar __P((void *, u_char));
  118 
  119 const struct wskbd_mapdata dzkbd_keymapdata = {
  120         lkkbd_keydesctab,
  121 #ifdef DZKBD_LAYOUT
  122         DZKBD_LAYOUT,
  123 #else
  124         KB_US | KB_LK401,
  125 #endif
  126 };
  127 
  128 /*
  129  * kbd_match: how is this dz line configured?
  130  */
  131 static int
  132 dzkbd_match(struct device *parent, struct cfdata *cf, void *aux)
  133 {
  134         struct dzkm_attach_args *daa = aux;
  135 
  136         /* Exact match is better than wildcard. */
  137         if (cf->cf_loc[DZCF_LINE] == daa->daa_line)
  138                 return 2;
  139 
  140         /* This driver accepts wildcard. */
  141         if (cf->cf_loc[DZCF_LINE] == DZCF_LINE_DEFAULT)
  142                 return 1;
  143 
  144         return 0;
  145 }
  146 
  147 static void
  148 dzkbd_attach(struct device *parent, struct device *self, void *aux)
  149 {
  150         struct dz_softc *dz = (void *)parent;
  151         struct dzkbd_softc *dzkbd = (void *)self;
  152         struct dzkm_attach_args *daa = aux;
  153         struct dz_linestate *ls;
  154         struct dzkbd_internal *dzi;
  155         struct wskbddev_attach_args a;
  156         int isconsole;
  157 
  158         dz->sc_dz[daa->daa_line].dz_catch = dzkbd_input;
  159         dz->sc_dz[daa->daa_line].dz_private = dzkbd;
  160         ls = &dz->sc_dz[daa->daa_line];
  161 
  162         isconsole = (daa->daa_flags & DZKBD_CONSOLE);
  163 
  164         if (isconsole) {
  165                 dzi = &dzkbd_console_internal;
  166         } else {
  167                 dzi = malloc(sizeof(struct dzkbd_internal),
  168                                        M_DEVBUF, M_NOWAIT);
  169                 dzi->dzi_ks.attmt.sendchar = dzkbd_sendchar;
  170                 dzi->dzi_ks.attmt.cookie = ls;
  171         }
  172         dzi->dzi_ls = ls;
  173         dzkbd->sc_itl = dzi;
  174 
  175         printf("\n");
  176 
  177         if (!isconsole)
  178                 lk201_init(&dzi->dzi_ks);
  179 
  180         /* XXX should identify keyboard ID here XXX */
  181         /* XXX layout and the number of LED is varying XXX */
  182 
  183         dzkbd->kbd_type = WSKBD_TYPE_LK201;
  184 
  185         dzkbd->sc_enabled = 1;
  186 
  187         a.console = isconsole;
  188         a.keymap = &dzkbd_keymapdata;
  189         a.accessops = &dzkbd_accessops;
  190         a.accesscookie = dzkbd;
  191 
  192         dzkbd->sc_wskbddev = config_found(self, &a, wskbddevprint);
  193 }
  194 
  195 int
  196 dzkbd_cnattach(ls)
  197         struct dz_linestate *ls;
  198 {
  199 
  200         dzkbd_console_internal.dzi_ks.attmt.sendchar = dzkbd_sendchar;
  201         dzkbd_console_internal.dzi_ks.attmt.cookie = ls;
  202         lk201_init(&dzkbd_console_internal.dzi_ks);
  203         dzkbd_console_internal.dzi_ls = ls;
  204 
  205         wskbd_cnattach(&dzkbd_consops, &dzkbd_console_internal,
  206                        &dzkbd_keymapdata);
  207 
  208         return 0;
  209 }
  210 
  211 static int
  212 dzkbd_enable(v, on)
  213         void *v;
  214         int on;
  215 {
  216         struct dzkbd_softc *sc = v;
  217 
  218         sc->sc_enabled = on;
  219         return 0;
  220 }
  221 
  222 static int
  223 dzkbd_sendchar(v, c)
  224         void *v;
  225         u_char c;
  226 {
  227         struct dz_linestate *ls = v;
  228         int s;
  229 
  230         s = spltty();
  231         dzputc(ls, c);
  232         splx(s);
  233         return (0);
  234 }
  235 
  236 static void
  237 dzkbd_cngetc(v, type, data)
  238         void *v;
  239         u_int *type;
  240         int *data;
  241 {
  242         struct dzkbd_internal *dzi = v;
  243         int c;
  244 
  245         do {
  246                 c = dzgetc(dzi->dzi_ls);
  247         } while (!lk201_decode(&dzi->dzi_ks, c, type, data));
  248 }
  249 
  250 static void
  251 dzkbd_cnpollc(v, on)
  252         void *v;
  253         int on;
  254 {
  255 #if 0
  256         struct dzkbd_internal *dzi = v;
  257 #endif
  258 }
  259 
  260 static void
  261 dzkbd_set_leds(v, leds)
  262         void *v;
  263         int leds;
  264 {
  265         struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
  266 
  267 //printf("dzkbd_set_leds\n");
  268         lk201_set_leds(&sc->sc_itl->dzi_ks, leds);
  269 }
  270 
  271 static int
  272 dzkbd_ioctl(v, cmd, data, flag, p)
  273         void *v;
  274         u_long cmd;
  275         caddr_t data;
  276         int flag;
  277         struct proc *p;
  278 {
  279         struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
  280 
  281         switch (cmd) {
  282         case WSKBDIO_GTYPE:
  283                 *(int *)data = sc->kbd_type;
  284                 return 0;
  285         case WSKBDIO_SETLEDS:
  286                 lk201_set_leds(&sc->sc_itl->dzi_ks, *(int *)data);
  287                 return 0;
  288         case WSKBDIO_GETLEDS:
  289                 /* XXX don't dig in kbd internals */
  290                 *(int *)data = sc->sc_itl->dzi_ks.leds_state;
  291                 return 0;
  292         case WSKBDIO_COMPLEXBELL:
  293                 lk201_bell(&sc->sc_itl->dzi_ks,
  294                            (struct wskbd_bell_data *)data);
  295                 return 0;
  296         case WSKBDIO_SETKEYCLICK:
  297                 lk201_set_keyclick(&sc->sc_itl->dzi_ks, *(int *)data);
  298                 return 0;
  299         case WSKBDIO_GETKEYCLICK:
  300                 /* XXX don't dig in kbd internals */
  301                 *(int *)data = sc->sc_itl->dzi_ks.kcvol;
  302                 return 0;
  303         }
  304         return (EPASSTHROUGH);
  305 }
  306 
  307 static int
  308 dzkbd_input(v, data)
  309         void *v;
  310         int data;
  311 {
  312         struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
  313         u_int type;
  314         int val;
  315 
  316         if (sc->sc_enabled == 0)
  317                 return(0);
  318 
  319         if (lk201_decode(&sc->sc_itl->dzi_ks, data, &type, &val))
  320                 wskbd_input(sc->sc_wskbddev, type, val);
  321         return(1);
  322 }
  323 

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