1 /* $NetBSD: kbdvar.h,v 1.20 2009/05/12 14:46:39 cegger 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 #if NWSKBD > 0 48 #include "opt_wsdisplay_compat.h" 49 #endif 50 51 struct kbd_softc { 52 device_t k_dev; /* required first: base device */ 53 54 /* middle layer methods */ 55 const struct kbd_ops *k_ops; 56 57 /* state of the upper layer */ 58 int k_evmode; /* set if we should produce events */ 59 struct evvar k_events; /* event queue state */ 60 61 #if NWSKBD > 0 62 device_t k_wskbd;/* handle for wskbd, if it is attached */ 63 int k_wsenabled; /* set if we are using wskbd */ 64 #ifdef WSDISPLAY_COMPAT_RAWKBD 65 int k_wsraw; /* send raw events to wscons */ 66 #endif 67 struct callout k_wsbell;/* to shut the bell off */ 68 #endif 69 70 /* ASCII translation state */ 71 struct kbd_state k_state; 72 73 /* console hooks */ 74 int k_isconsole; 75 struct cons_channel *k_cc; 76 77 /* autorepeat for console input */ 78 int k_repeat_start; /* initial delay */ 79 int k_repeat_step; /* inter-char delay */ 80 int k_repeatsym; /* repeating symbol */ 81 int k_repeating; /* callout is active (use callout_active?) */ 82 struct callout k_repeat_ch; 83 int k_leds; 84 }; 85 86 87 /* 88 * Downcalls to the middle layer. 89 */ 90 struct kbd_ops { 91 int (*open)(struct kbd_softc *); 92 int (*close)(struct kbd_softc *); 93 int (*docmd)(struct kbd_softc *, int, int); 94 int (*setleds)(struct kbd_softc *, int, int); 95 }; 96 97 98 /* 99 * kbd console input channel interface. 100 * XXX - does not belong in this header; but for now, kbd is the only user... 101 */ 102 struct cons_channel { 103 /* 104 * Callbacks provided by underlying device (e.g. keyboard driver). 105 * Console driver will call these before console is opened/closed. 106 */ 107 void *cc_private; /* underlying device private data */ 108 int (*cc_iopen)(struct cons_channel *); /* open underlying device */ 109 int (*cc_iclose)(struct cons_channel *); /* close underlying device */ 110 111 /* 112 * Callback provided by the console driver. Keyboard driver 113 * calls it to pass input character up as console input. 114 */ 115 void (*cc_upstream)(int); 116 }; 117 118 119 /* 120 * Allocate and link up console channel. 121 * Should be called by the lower layer during attachment. 122 */ 123 extern struct cons_channel *kbd_cc_alloc(struct kbd_softc *); 124 125 /* 126 * Feed sun make/break code as keyboard input to the upper layer. 127 * Should be called by the middle layer. 128 */ 129 extern void kbd_input(struct kbd_softc *, int); 130 131 /* 132 * Special hook to attach the keyboard driver to the console. 133 * XXX: this should be hidden in kbd_cc_alloc(). 134 */ 135 struct consdev; 136 extern void cons_attach_input(struct cons_channel *, struct consdev *); 137