1 /* $NetBSD: kbdvar.h,v 1.21 2012/04/26 00:50:10 macallan 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