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

     /*      $NetBSD: dzkbd.c,v 1.30 2021/08/07 16:19:10 thorpej Exp $       */
     
     /*
      * Copyright (c) 1992, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * This software was developed by the Computer Systems Engineering group
      * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      * contributed to Berkeley.
     *
     * All advertising materials mentioning features or use of this software
     * must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Lawrence Berkeley Laboratory.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)kbd.c       8.2 (Berkeley) 10/30/93
     */
    
    /*
     * LK200/LK400 keyboard attached to line 0 of the DZ*-11
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: dzkbd.c,v 1.30 2021/08/07 16:19:10 thorpej Exp $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/device.h>
    #include <sys/ioctl.h>
    #include <sys/syslog.h>
    #include <sys/malloc.h>
    #include <sys/intr.h>
    
    #include <dev/wscons/wsconsio.h>
    #include <dev/wscons/wskbdvar.h>
    #include <dev/wscons/wsksymdef.h>
    #include <dev/wscons/wsksymvar.h>
    #include <dev/dec/wskbdmap_lk201.h>
    
    #include <sys/bus.h>
    
    #include <dev/dec/dzreg.h>
    #include <dev/dec/dzvar.h>
    #include <dev/dec/dzkbdvar.h>
    #include <dev/dec/lk201reg.h>
    #include <dev/dec/lk201var.h>
    
    #include "locators.h"
    
    struct dzkbd_internal {
            struct dz_linestate *dzi_ls;
            struct lk201_state dzi_ks;
    };
    
    struct dzkbd_internal dzkbd_console_internal;
    
    struct dzkbd_softc {
            struct dzkbd_internal *sc_itl;
    
            int sc_enabled;
            int kbd_type;
    
            device_t sc_wskbddev;
    };
    
    static int      dzkbd_input(void *, int);
    
    static int      dzkbd_match(device_t, cfdata_t, void *);
    static void     dzkbd_attach(device_t, device_t, void *);
    
    CFATTACH_DECL_NEW(dzkbd, sizeof(struct dzkbd_softc),
        dzkbd_match, dzkbd_attach, NULL, NULL);
    
    static int      dzkbd_enable(void *, int);
    static void     dzkbd_set_leds(void *, int);
   static int      dzkbd_ioctl(void *, u_long, void *, int, struct lwp *);
   
   const struct wskbd_accessops dzkbd_accessops = {
           dzkbd_enable,
           dzkbd_set_leds,
           dzkbd_ioctl,
   };
   
   static void     dzkbd_cngetc(void *, u_int *, int *);
   static void     dzkbd_cnpollc(void *, int);
   
   const struct wskbd_consops dzkbd_consops = {
           dzkbd_cngetc,
           dzkbd_cnpollc,
   };
   
   static int dzkbd_sendchar(void *, u_char);
   
   const struct wskbd_mapdata dzkbd_keymapdata = {
           lkkbd_keydesctab,
   #ifdef DZKBD_LAYOUT
           DZKBD_LAYOUT,
   #else
           KB_US | KB_LK401,
   #endif
   };
   
   /*
    * kbd_match: how is this dz line configured?
    */
   static int
   dzkbd_match(device_t parent, cfdata_t cf, void *aux)
   {
           struct dzkm_attach_args *daa = aux;
   
           /* Exact match is better than wildcard. */
           if (cf->cf_loc[DZCF_LINE] == daa->daa_line)
                   return 2;
   
           /* This driver accepts wildcard. */
           if (cf->cf_loc[DZCF_LINE] == DZCF_LINE_DEFAULT)
                   return 1;
   
           return 0;
   }
   
   static void
   dzkbd_attach(device_t parent, device_t self, void *aux)
   {
           struct dz_softc *dz = device_private(parent);
           struct dzkbd_softc *dzkbd = device_private(self);
           struct dzkm_attach_args *daa = aux;
           struct dz_linestate *ls;
           struct dzkbd_internal *dzi;
           struct wskbddev_attach_args a;
           int isconsole;
   
           dz->sc_dz[daa->daa_line].dz_catch = dzkbd_input;
           dz->sc_dz[daa->daa_line].dz_private = dzkbd;
           ls = &dz->sc_dz[daa->daa_line];
   
           isconsole = (daa->daa_flags & DZKBD_CONSOLE);
   
           if (isconsole) {
                   dzi = &dzkbd_console_internal;
           } else {
                   dzi = malloc(sizeof(struct dzkbd_internal),
                                          M_DEVBUF, M_WAITOK);
                   dzi->dzi_ks.attmt.sendchar = dzkbd_sendchar;
                   dzi->dzi_ks.attmt.cookie = ls;
           }
           dzi->dzi_ls = ls;
           dzkbd->sc_itl = dzi;
   
           printf("\n");
   
           if (!isconsole) {
                   DELAY(100000);
                   lk201_init(&dzi->dzi_ks);
           }
   
           /* XXX should identify keyboard ID here XXX */
           /* XXX layout and the number of LED is varying XXX */
   
           dzkbd->kbd_type = WSKBD_TYPE_LK201;
   
           dzkbd->sc_enabled = 1;
   
           a.console = isconsole;
           a.keymap = &dzkbd_keymapdata;
           a.accessops = &dzkbd_accessops;
           a.accesscookie = dzkbd;
   
           dzkbd->sc_wskbddev = config_found(self, &a, wskbddevprint, CFARGS_NONE);
   }
   
   int
   dzkbd_cnattach(struct dz_linestate *ls)
   {
   
           dzkbd_console_internal.dzi_ks.attmt.sendchar = dzkbd_sendchar;
           dzkbd_console_internal.dzi_ks.attmt.cookie = ls;
           lk201_init(&dzkbd_console_internal.dzi_ks);
           dzkbd_console_internal.dzi_ls = ls;
   
           wskbd_cnattach(&dzkbd_consops, &dzkbd_console_internal,
                          &dzkbd_keymapdata);
   
           return 0;
   }
   
   static int
   dzkbd_enable(void *v, int on)
   {
           struct dzkbd_softc *sc = v;
   
           sc->sc_enabled = on;
           return 0;
   }
   
   static int
   dzkbd_sendchar(void *v, u_char c)
   {
           struct dz_linestate *ls = v;
           int s;
   
           s = spltty();
           dzputc(ls, c);
           splx(s);
           return (0);
   }
   
   static void
   dzkbd_cngetc(void *v, u_int *type, int *data)
   {
           struct dzkbd_internal *dzi = v;
           int c;
   
           do {
                   c = dzgetc(dzi->dzi_ls);
           } while (!lk201_decode(&dzi->dzi_ks, 0, c, type, data) == LKD_NODATA);
   }
   
   static void
   dzkbd_cnpollc(void *v, int on)
   {
   #if 0
           struct dzkbd_internal *dzi = v;
   #endif
   }
   
   static void
   dzkbd_set_leds(void *v, int leds)
   {
           struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
   
   //printf("dzkbd_set_leds\n");
           lk201_set_leds(&sc->sc_itl->dzi_ks, leds);
   }
   
   static int
   dzkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
   {
           struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
   
           switch (cmd) {
           case WSKBDIO_GTYPE:
                   *(int *)data = sc->kbd_type;
                   return 0;
           case WSKBDIO_SETLEDS:
                   lk201_set_leds(&sc->sc_itl->dzi_ks, *(int *)data);
                   return 0;
           case WSKBDIO_GETLEDS:
                   /* XXX don't dig in kbd internals */
                   *(int *)data = sc->sc_itl->dzi_ks.leds_state;
                   return 0;
           case WSKBDIO_COMPLEXBELL:
                   lk201_bell(&sc->sc_itl->dzi_ks,
                              (struct wskbd_bell_data *)data);
                   return 0;
           case WSKBDIO_SETKEYCLICK:
                   lk201_set_keyclick(&sc->sc_itl->dzi_ks, *(int *)data);
                   return 0;
           case WSKBDIO_GETKEYCLICK:
                   /* XXX don't dig in kbd internals */
                   *(int *)data = sc->sc_itl->dzi_ks.kcvol;
                   return 0;
           }
           return (EPASSTHROUGH);
   }
   
   static int
   dzkbd_input(void *v, int data)
   {
           struct dzkbd_softc *sc = (struct dzkbd_softc *)v;
           u_int type;
           int val;
           int decode;
   
           do {
                   decode = lk201_decode(&sc->sc_itl->dzi_ks, 1,
                       data, &type, &val);
                   if (decode != LKD_NODATA)
                           wskbd_input(sc->sc_wskbddev, type, val);
           } while (decode == LKD_MORE);
   
           return(1);
   }

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