1 /* $NetBSD: kbdvar.h,v 1.13 2003/08/27 01:37:38 uwe 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 47 struct kbd_softc { 48 struct device k_dev; /* required first: base device */ 49 50 /* middle layer methods */ 51 const struct kbd_ops *k_ops; 52 53 /* state of the upper layer */ 54 int k_evmode; /* set if we should produce events */ 55 struct evvar k_events; /* event queue state */ 56 57 #if NWSKBD > 0 58 struct device * k_wskbd;/* handle for wskbd, if it is attached */ 59 int k_wsenabled; /* set if we are using wskbd */ 60 struct callout k_wsbell;/* to shut the bell off */ 61 #endif 62 63 /* ACSII translation state */ 64 struct kbd_state k_state; 65 66 /* console hooks */ 67 int k_isconsole; 68 struct cons_channel *k_cc; 69 70 /* autorepeat for console input */ 71 int k_repeat_start; /* initial delay */ 72 int k_repeat_step; /* inter-char delay */ 73 int k_repeatsym; /* repeating symbol */ 74 int k_repeating; /* callout is active (use callout_active?) */ 75 struct callout k_repeat_ch; 76 }; 77 78 79 /* 80 * Downcalls to the middle layer. 81 */ 82 struct kbd_ops { 83 int (*open)(struct kbd_softc *); 84 int (*close)(struct kbd_softc *); 85 int (*docmd)(struct kbd_softc *, int, int); 86 int (*setleds)(struct kbd_softc *, int, int); 87 }; 88 89 90 /* 91 * kbd console input channel interface. 92 * XXX - does not belong in this header; but for now, kbd is the only user... 93 */ 94 struct cons_channel { 95 /* 96 * Callbacks provided by underlying device (e.g. keyboard driver). 97 * Console driver will call these before console is opened/closed. 98 */ 99 void *cc_dev; /* underlying device private data */ 100 int (*cc_iopen)(struct cons_channel *); /* open underlying device */ 101 int (*cc_iclose)(struct cons_channel *); /* close underlying device */ 102 103 /* 104 * Callback provided by the console driver. Keyboard driver 105 * calls it to pass input character up as console input. 106 */ 107 void (*cc_upstream)(int); 108 }; 109 110 111 /* 112 * Allocate and link up console channel. 113 * Should be called by the lower layer during attachment. 114 */ 115 extern struct cons_channel *kbd_cc_alloc(struct kbd_softc *); 116 117 /* 118 * Feed sun make/break code as keyboard input to the upper layer. 119 * Should be called by the middle layer. 120 */ 121 extern void kbd_input(struct kbd_softc *, int); 122 123 /* 124 * Special hook to attach the keyboard driver to the console. 125 * XXX: this should be hidden in kbd_cc_alloc(). 126 */ 127 struct consdev; 128 extern void cons_attach_input(struct cons_channel *, struct consdev *); 129