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kbdvar.h revision 1.14
      1  1.14     heas /*	$NetBSD: kbdvar.h,v 1.14 2005/02/20 20:32:45 heas Exp $	*/
      2   1.1      mrg 
      3   1.1      mrg /*
      4   1.1      mrg  * Copyright (c) 1992, 1993
      5   1.1      mrg  *	The Regents of the University of California.  All rights reserved.
      6   1.1      mrg  *
      7   1.1      mrg  * This software was developed by the Computer Systems Engineering group
      8   1.1      mrg  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      9   1.1      mrg  * contributed to Berkeley.
     10   1.1      mrg  *
     11   1.1      mrg  * All advertising materials mentioning features or use of this software
     12   1.1      mrg  * must display the following acknowledgement:
     13   1.1      mrg  *	This product includes software developed by the University of
     14   1.1      mrg  *	California, Lawrence Berkeley Laboratory.
     15   1.1      mrg  *
     16   1.1      mrg  * Redistribution and use in source and binary forms, with or without
     17   1.1      mrg  * modification, are permitted provided that the following conditions
     18   1.1      mrg  * are met:
     19   1.1      mrg  * 1. Redistributions of source code must retain the above copyright
     20   1.1      mrg  *    notice, this list of conditions and the following disclaimer.
     21   1.1      mrg  * 2. Redistributions in binary form must reproduce the above copyright
     22   1.1      mrg  *    notice, this list of conditions and the following disclaimer in the
     23   1.1      mrg  *    documentation and/or other materials provided with the distribution.
     24  1.12      agc  * 3. Neither the name of the University nor the names of its contributors
     25   1.1      mrg  *    may be used to endorse or promote products derived from this software
     26   1.1      mrg  *    without specific prior written permission.
     27   1.1      mrg  *
     28   1.1      mrg  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29   1.1      mrg  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30   1.1      mrg  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31   1.1      mrg  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32   1.1      mrg  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33   1.1      mrg  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34   1.1      mrg  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35   1.1      mrg  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36   1.1      mrg  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37   1.1      mrg  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38   1.1      mrg  * SUCH DAMAGE.
     39   1.1      mrg  *
     40   1.1      mrg  *	@(#)kbd.c	8.2 (Berkeley) 10/30/93
     41   1.1      mrg  */
     42   1.1      mrg 
     43  1.11   martin #include "wskbd.h"	/* for NWSKBD */
     44  1.11   martin #include <dev/wscons/wsconsio.h>
     45  1.11   martin #include <dev/wscons/wskbdvar.h>
     46  1.11   martin 
     47   1.1      mrg struct kbd_softc {
     48   1.9      uwe 	struct device k_dev;	/* required first: base device */
     49   1.1      mrg 
     50   1.9      uwe 	/* middle layer methods */
     51  1.10      uwe 	const struct kbd_ops *k_ops;
     52   1.7      eeh 
     53   1.9      uwe 	/* state of the upper layer */
     54   1.9      uwe 	int k_evmode;		/* set if we should produce events */
     55   1.9      uwe 	struct evvar k_events;	/* event queue state */
     56  1.11   martin 
     57  1.11   martin #if NWSKBD > 0
     58  1.11   martin 	struct device * k_wskbd;/* handle for wskbd, if it is attached */
     59  1.11   martin 	int k_wsenabled;	/* set if we are using wskbd */
     60  1.11   martin 	struct callout k_wsbell;/* to shut the bell off */
     61  1.11   martin #endif
     62   1.1      mrg 
     63  1.14     heas 	/* ASCII translation state */
     64   1.9      uwe 	struct kbd_state k_state;
     65   1.4  thorpej 
     66  1.10      uwe 	/* console hooks */
     67   1.9      uwe 	int k_isconsole;
     68   1.2       pk 	struct cons_channel *k_cc;
     69  1.10      uwe 
     70  1.10      uwe 	/* autorepeat for console input */
     71  1.10      uwe 	int k_repeat_start; 	/* initial delay */
     72  1.10      uwe 	int k_repeat_step;  	/* inter-char delay */
     73  1.10      uwe 	int k_repeatsym;	/* repeating symbol */
     74  1.10      uwe 	int k_repeating;	/* callout is active (use callout_active?) */
     75  1.10      uwe 	struct callout k_repeat_ch;
     76   1.9      uwe };
     77   1.2       pk 
     78  1.10      uwe 
     79  1.10      uwe /*
     80   1.9      uwe  * Downcalls to the middle layer.
     81   1.9      uwe  */
     82   1.9      uwe struct kbd_ops {
     83   1.9      uwe 	int (*open)(struct kbd_softc *);
     84   1.9      uwe 	int (*close)(struct kbd_softc *);
     85  1.10      uwe 	int (*docmd)(struct kbd_softc *, int, int);
     86  1.10      uwe 	int (*setleds)(struct kbd_softc *, int, int);
     87   1.9      uwe };
     88   1.2       pk 
     89   1.1      mrg 
     90   1.2       pk /*
     91   1.2       pk  * kbd console input channel interface.
     92  1.10      uwe  * XXX - does not belong in this header; but for now, kbd is the only user...
     93   1.2       pk  */
     94   1.2       pk struct cons_channel {
     95   1.9      uwe 	/*
     96   1.9      uwe 	 * Callbacks provided by underlying device (e.g. keyboard driver).
     97   1.9      uwe 	 * Console driver will call these before console is opened/closed.
     98   1.9      uwe 	 */
     99   1.9      uwe 	void *cc_dev;		/* underlying device private data */
    100   1.9      uwe 	int (*cc_iopen)(struct cons_channel *);  /* open underlying device */
    101   1.9      uwe 	int (*cc_iclose)(struct cons_channel *); /* close underlying device */
    102   1.2       pk 
    103   1.9      uwe 	/*
    104  1.10      uwe 	 * Callback provided by the console driver.  Keyboard driver
    105   1.9      uwe 	 * calls it to pass input character up as console input.
    106   1.9      uwe 	 */
    107   1.9      uwe 	void (*cc_upstream)(int);
    108   1.2       pk };
    109   1.2       pk 
    110   1.9      uwe 
    111  1.10      uwe /*
    112  1.10      uwe  * Allocate and link up console channel.
    113  1.10      uwe  * Should be called by the lower layer during attachment.
    114  1.10      uwe  */
    115  1.10      uwe extern struct cons_channel *kbd_cc_alloc(struct kbd_softc *);
    116  1.10      uwe 
    117  1.10      uwe /*
    118  1.10      uwe  * Feed sun make/break code as keyboard input to the upper layer.
    119  1.10      uwe  * Should be called by the middle layer.
    120  1.10      uwe  */
    121  1.10      uwe extern void kbd_input(struct kbd_softc *, int);
    122  1.10      uwe 
    123  1.10      uwe /*
    124  1.10      uwe  * Special hook to attach the keyboard driver to the console.
    125  1.10      uwe  * XXX: this should be hidden in kbd_cc_alloc().
    126  1.10      uwe  */
    127   1.9      uwe struct consdev;
    128   1.9      uwe extern void cons_attach_input(struct cons_channel *, struct consdev *);
    129