sys/arch/arc/include/kbdreg.h

   1 /*      $NetBSD: kbdreg.h,v 1.2 1996/07/16 23:24:23 thorpej 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    /* diagnosic 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 */