FreeBSD/Linux Kernel Cross Reference
sys/dev/sun/kbdvar.h

     /*      $NetBSD: kbdvar.h,v 1.13 2003/08/27 01:37:38 uwe 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
     */
    
    #include "wskbd.h"      /* for NWSKBD */
    #include <dev/wscons/wsconsio.h>
    #include <dev/wscons/wskbdvar.h>
    
    struct kbd_softc {
            struct device k_dev;    /* required first: base device */
    
            /* middle layer methods */
            const struct kbd_ops *k_ops;
    
            /* state of the upper layer */
            int k_evmode;           /* set if we should produce events */
            struct evvar k_events;  /* event queue state */
    
    #if NWSKBD > 0
            struct device * k_wskbd;/* handle for wskbd, if it is attached */
            int k_wsenabled;        /* set if we are using wskbd */
            struct callout k_wsbell;/* to shut the bell off */
    #endif
    
            /* ACSII translation state */
            struct kbd_state k_state;
    
            /* console hooks */
            int k_isconsole;
            struct cons_channel *k_cc;
    
            /* autorepeat for console input */
            int k_repeat_start;     /* initial delay */
            int k_repeat_step;      /* inter-char delay */
            int k_repeatsym;        /* repeating symbol */
            int k_repeating;        /* callout is active (use callout_active?) */
            struct callout k_repeat_ch;
    };
    
    
    /*
     * Downcalls to the middle layer.
     */
    struct kbd_ops {
            int (*open)(struct kbd_softc *);
            int (*close)(struct kbd_softc *);
            int (*docmd)(struct kbd_softc *, int, int);
            int (*setleds)(struct kbd_softc *, int, int);
    };
    
    
    /*
     * kbd console input channel interface.
     * XXX - does not belong in this header; but for now, kbd is the only user...
     */
    struct cons_channel {
            /*
             * Callbacks provided by underlying device (e.g. keyboard driver).
             * Console driver will call these before console is opened/closed.
             */
            void *cc_dev;           /* underlying device private data */
           int (*cc_iopen)(struct cons_channel *);  /* open underlying device */
           int (*cc_iclose)(struct cons_channel *); /* close underlying device */
   
           /*
            * Callback provided by the console driver.  Keyboard driver
            * calls it to pass input character up as console input.
            */
           void (*cc_upstream)(int);
   };
   
   
   /*
    * Allocate and link up console channel.
    * Should be called by the lower layer during attachment.
    */
   extern struct cons_channel *kbd_cc_alloc(struct kbd_softc *);
   
   /*
    * Feed sun make/break code as keyboard input to the upper layer.
    * Should be called by the middle layer.
    */
   extern void kbd_input(struct kbd_softc *, int);
   
   /*
    * Special hook to attach the keyboard driver to the console.
    * XXX: this should be hidden in kbd_cc_alloc().
    */
   struct consdev;
   extern void cons_attach_input(struct cons_channel *, struct consdev *);

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