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kbdvar.h revision 1.20.12.1 
      1 /*	$NetBSD: kbdvar.h,v 1.20.12.1 2012/05/23 10:08:06 yamt 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 #include "wskbd.h"	/* for NWSKBD */
     44 #include <dev/wscons/wsconsio.h>
     45 #include <dev/wscons/wskbdvar.h>
     46 #include <dev/sysmon/sysmonvar.h>
     47 
     48 #if NWSKBD > 0
     49 #include "opt_wsdisplay_compat.h"
     50 #endif
     51 
     52 struct kbd_softc {
     53 	device_t k_dev;		/* required first: base device */
     54 
     55 	struct sysmon_pswitch k_sm_pbutton;
     56 	int k_ev;
     57 
     58 	/* middle layer methods */
     59 	const struct kbd_ops *k_ops;
     60 
     61 	/* state of the upper layer */
     62 	int k_evmode;		/* set if we should produce events */
     63 	struct evvar k_events;	/* event queue state */
     64 
     65 #if NWSKBD > 0
     66 	device_t  k_wskbd;/* handle for wskbd, if it is attached */
     67 	int k_wsenabled;	/* set if we are using wskbd */
     68 #ifdef WSDISPLAY_COMPAT_RAWKBD
     69 	int k_wsraw;		/* send raw events to wscons */
     70 #endif
     71 	struct callout k_wsbell;/* to shut the bell off */
     72 #endif
     73 
     74 	/* ASCII translation state */
     75 	struct kbd_state k_state;
     76 
     77 	/* console hooks */
     78 	int k_isconsole;
     79 	struct cons_channel *k_cc;
     80 
     81 	/* autorepeat for console input */
     82 	int k_repeat_start; 	/* initial delay */
     83 	int k_repeat_step;  	/* inter-char delay */
     84 	int k_repeatsym;	/* repeating symbol */
     85 	int k_repeating;	/* callout is active (use callout_active?) */
     86 	struct callout k_repeat_ch;
     87 	int k_leds;
     88 };
     89 
     90 
     91 /*
     92  * Downcalls to the middle layer.
     93  */
     94 struct kbd_ops {
     95 	int (*open)(struct kbd_softc *);
     96 	int (*close)(struct kbd_softc *);
     97 	int (*docmd)(struct kbd_softc *, int, int);
     98 	int (*setleds)(struct kbd_softc *, int, int);
     99 };
    100 
    101 
    102 /*
    103  * kbd console input channel interface.
    104  * XXX - does not belong in this header; but for now, kbd is the only user...
    105  */
    106 struct cons_channel {
    107 	/*
    108 	 * Callbacks provided by underlying device (e.g. keyboard driver).
    109 	 * Console driver will call these before console is opened/closed.
    110 	 */
    111 	void *cc_private;	/* underlying device private data */
    112 	int (*cc_iopen)(struct cons_channel *);  /* open underlying device */
    113 	int (*cc_iclose)(struct cons_channel *); /* close underlying device */
    114 
    115 	/*
    116 	 * Callback provided by the console driver.  Keyboard driver
    117 	 * calls it to pass input character up as console input.
    118 	 */
    119 	void (*cc_upstream)(int);
    120 };
    121 
    122 
    123 /*
    124  * Allocate and link up console channel.
    125  * Should be called by the lower layer during attachment.
    126  */
    127 extern struct cons_channel *kbd_cc_alloc(struct kbd_softc *);
    128 
    129 /*
    130  * Feed sun make/break code as keyboard input to the upper layer.
    131  * Should be called by the middle layer.
    132  */
    133 extern void kbd_input(struct kbd_softc *, int);
    134 
    135 /*
    136  * Special hook to attach the keyboard driver to the console.
    137  * XXX: this should be hidden in kbd_cc_alloc().
    138  */
    139 struct consdev;
    140 extern void cons_attach_input(struct cons_channel *, struct consdev *);
    141