129 lines
4.4 KiB
C
129 lines
4.4 KiB
C
/* $NetBSD: kbdvar.h,v 1.13 2003/08/27 01:37:38 uwe Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)kbd.c 8.2 (Berkeley) 10/30/93
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*/
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#include "wskbd.h" /* for NWSKBD */
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wskbdvar.h>
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struct kbd_softc {
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struct device k_dev; /* required first: base device */
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/* middle layer methods */
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const struct kbd_ops *k_ops;
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/* state of the upper layer */
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int k_evmode; /* set if we should produce events */
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struct evvar k_events; /* event queue state */
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#if NWSKBD > 0
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struct device * k_wskbd;/* handle for wskbd, if it is attached */
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int k_wsenabled; /* set if we are using wskbd */
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struct callout k_wsbell;/* to shut the bell off */
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#endif
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/* ACSII translation state */
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struct kbd_state k_state;
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/* console hooks */
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int k_isconsole;
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struct cons_channel *k_cc;
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/* autorepeat for console input */
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int k_repeat_start; /* initial delay */
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int k_repeat_step; /* inter-char delay */
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int k_repeatsym; /* repeating symbol */
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int k_repeating; /* callout is active (use callout_active?) */
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struct callout k_repeat_ch;
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};
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/*
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* Downcalls to the middle layer.
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*/
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struct kbd_ops {
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int (*open)(struct kbd_softc *);
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int (*close)(struct kbd_softc *);
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int (*docmd)(struct kbd_softc *, int, int);
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int (*setleds)(struct kbd_softc *, int, int);
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};
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/*
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* kbd console input channel interface.
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* XXX - does not belong in this header; but for now, kbd is the only user...
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*/
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struct cons_channel {
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/*
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* Callbacks provided by underlying device (e.g. keyboard driver).
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* Console driver will call these before console is opened/closed.
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*/
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void *cc_dev; /* underlying device private data */
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int (*cc_iopen)(struct cons_channel *); /* open underlying device */
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int (*cc_iclose)(struct cons_channel *); /* close underlying device */
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/*
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* Callback provided by the console driver. Keyboard driver
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* calls it to pass input character up as console input.
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*/
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void (*cc_upstream)(int);
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};
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/*
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* Allocate and link up console channel.
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* Should be called by the lower layer during attachment.
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*/
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extern struct cons_channel *kbd_cc_alloc(struct kbd_softc *);
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/*
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* Feed sun make/break code as keyboard input to the upper layer.
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* Should be called by the middle layer.
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*/
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extern void kbd_input(struct kbd_softc *, int);
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/*
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* Special hook to attach the keyboard driver to the console.
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* XXX: this should be hidden in kbd_cc_alloc().
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*/
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struct consdev;
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extern void cons_attach_input(struct cons_channel *, struct consdev *);
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