1 /* $NetBSD: kbdreg.h,v 1.5 2022/01/01 22:01:18 andvar Exp $ */ 2 /* $OpenBSD: kbdreg.h,v 1.3 1996/09/04 21:18:24 pefo Exp $ */ 3 4 /* 5 * Copyright (c) 1996 Per Fogelstrom 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Per Fogelstrom. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 /* 34 * Keyboard definitions 35 * 36 */ 37 38 #define KBSTATP (0x61) /* controller status port (I) */ 39 #define KBS_DIB 0x01 /* data in buffer */ 40 #define KBS_IBF 0x02 /* input buffer low */ 41 #define KBS_WARM 0x04 /* input buffer low */ 42 #define KBS_OCMD 0x08 /* output buffer has command */ 43 #define KBS_NOSEC 0x10 /* security lock not engaged */ 44 #define KBS_TERR 0x20 /* transmission error */ 45 #define KBS_RERR 0x40 /* receive error */ 46 #define KBS_PERR 0x80 /* parity error */ 47 48 #define KBCMDP (0x61) /* controller port (O) */ 49 #define KBDATAP (0x60) /* data port (I) */ 50 #define KBOUTP (0x60) /* data port (O) */ 51 52 #define K_RDCMDBYTE 0x20 53 #define K_LDCMDBYTE 0x60 54 55 #define KC8_TRANS 0x40 /* convert to old scan codes */ 56 #define KC8_MDISABLE 0x20 /* disable mouse */ 57 #define KC8_KDISABLE 0x10 /* disable keyboard */ 58 #define KC8_IGNSEC 0x08 /* ignore security lock */ 59 #define KC8_CPU 0x04 /* exit from protected mode reset */ 60 #define KC8_MENABLE 0x02 /* enable mouse interrupt */ 61 #define KC8_KENABLE 0x01 /* enable keyboard interrupt */ 62 #define CMDBYTE (KC8_TRANS|KC8_CPU|KC8_MENABLE|KC8_KENABLE) 63 64 /* keyboard commands */ 65 #define KBC_RESET 0xFF /* reset the keyboard */ 66 #define KBC_RESEND 0xFE /* request the keyboard resend the last byte */ 67 #define KBC_SETDEFAULT 0xF6 /* resets keyboard to its power-on defaults */ 68 #define KBC_DISABLE 0xF5 /* as per KBC_SETDEFAULT, but also disable key scanning */ 69 #define KBC_ENABLE 0xF4 /* enable key scanning */ 70 #define KBC_TYPEMATIC 0xF3 /* set typematic rate and delay */ 71 #define KBC_SETTABLE 0xF0 /* set scancode translation table */ 72 #define KBC_MODEIND 0xED /* set mode indicators (i.e. LEDs) */ 73 #define KBC_ECHO 0xEE /* request an echo from the keyboard */ 74 75 /* keyboard responses */ 76 #define KBR_EXTENDED 0xE0 /* extended key sequence */ 77 #define KBR_RESEND 0xFE /* needs resend of command */ 78 #define KBR_ACK 0xFA /* received a valid command */ 79 #define KBR_OVERRUN 0x00 /* flooded */ 80 #define KBR_FAILURE 0xFD /* diagnostic failure */ 81 #define KBR_BREAK 0xF0 /* break code prefix - sent on key release */ 82 #define KBR_RSTDONE 0xAA /* reset complete */ 83 #define KBR_ECHO 0xEE /* echo response */ 84