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kbdvar.h revision 1.9
      1  1.9      uwe /*	$NetBSD: kbdvar.h,v 1.9 2002/10/03 16:13:26 uwe 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  1.1      mrg  * 3. All advertising materials mentioning features or use of this software
     25  1.1      mrg  *    must display the following acknowledgement:
     26  1.1      mrg  *	This product includes software developed by the University of
     27  1.1      mrg  *	California, Berkeley and its contributors.
     28  1.1      mrg  * 4. Neither the name of the University nor the names of its contributors
     29  1.1      mrg  *    may be used to endorse or promote products derived from this software
     30  1.1      mrg  *    without specific prior written permission.
     31  1.1      mrg  *
     32  1.1      mrg  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     33  1.1      mrg  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     34  1.1      mrg  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     35  1.1      mrg  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     36  1.1      mrg  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     37  1.1      mrg  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     38  1.1      mrg  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     39  1.1      mrg  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     40  1.1      mrg  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     41  1.1      mrg  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     42  1.1      mrg  * SUCH DAMAGE.
     43  1.1      mrg  *
     44  1.1      mrg  *	@(#)kbd.c	8.2 (Berkeley) 10/30/93
     45  1.1      mrg  */
     46  1.1      mrg 
     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  1.9      uwe 	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  1.1      mrg 
     57  1.9      uwe 	/* ACSII translation state */
     58  1.9      uwe 	struct kbd_state k_state;
     59  1.4  thorpej 
     60  1.2       pk 	/* Console hooks */
     61  1.9      uwe 	int k_isconsole;
     62  1.2       pk 	struct cons_channel *k_cc;
     63  1.9      uwe };
     64  1.2       pk 
     65  1.9      uwe /*
     66  1.9      uwe  * Downcalls to the middle layer.
     67  1.9      uwe  * NB: iocsled has user context to care about,
     68  1.9      uwe  *     setleds can be called from interrupt handler.
     69  1.9      uwe  */
     70  1.9      uwe struct kbd_ops {
     71  1.9      uwe 	int (*open)(struct kbd_softc *);
     72  1.9      uwe 	int (*close)(struct kbd_softc *);
     73  1.9      uwe 	int (*docmd)(struct kbd_softc *, int, int);	/* KIOCCMD */
     74  1.9      uwe 	int (*setleds)(struct kbd_softc *, int, int);	/* KIOCSLED */
     75  1.9      uwe };
     76  1.2       pk 
     77  1.1      mrg 
     78  1.9      uwe /* Callbacks for middle layer to feed us keyboard input */
     79  1.9      uwe extern int	kbd_input_keysym(struct kbd_softc *, int);	/* console */
     80  1.9      uwe extern void	kbd_input_event(struct kbd_softc *, int);	/* events  */
     81  1.1      mrg 
     82  1.2       pk 
     83  1.2       pk /*
     84  1.2       pk  * kbd console input channel interface.
     85  1.2       pk  * XXX - does not belong in this header; but for now, kbd is the only user..
     86  1.2       pk  */
     87  1.2       pk struct cons_channel {
     88  1.9      uwe 	/* XXX: only used by PROM console, probably belongs to kd.c */
     89  1.9      uwe 	struct callout cc_callout;
     90  1.9      uwe 
     91  1.9      uwe 	/*
     92  1.9      uwe 	 * Callbacks provided by underlying device (e.g. keyboard driver).
     93  1.9      uwe 	 * Console driver will call these before console is opened/closed.
     94  1.9      uwe 	 */
     95  1.9      uwe 	void *cc_dev;		/* underlying device private data */
     96  1.9      uwe 	int (*cc_iopen)(struct cons_channel *);  /* open underlying device */
     97  1.9      uwe 	int (*cc_iclose)(struct cons_channel *); /* close underlying device */
     98  1.2       pk 
     99  1.9      uwe 	/*
    100  1.9      uwe 	 * Callback provided by the console driver.  Underlying driver
    101  1.9      uwe 	 * calls it to pass input character up as console input.
    102  1.9      uwe 	 */
    103  1.9      uwe 	void (*cc_upstream)(int);
    104  1.2       pk };
    105  1.2       pk 
    106  1.9      uwe /* upper layer callbacks that lower layer passes to console driver */
    107  1.9      uwe extern int kbd_cc_open(struct cons_channel *);
    108  1.9      uwe extern int kbd_cc_close(struct cons_channel *);
    109  1.9      uwe 
    110  1.2       pk /* Special hook to attach the keyboard driver to the console */
    111  1.9      uwe struct consdev;
    112  1.9      uwe extern void cons_attach_input(struct cons_channel *, struct consdev *);
    113