sys/arch/hp300/stand/common/dnkbd.c

   1 /*      $NetBSD: dnkbd.c,v 1.11 2007/03/04 05:59:50 christos Exp $      */
   2
   3 /*-
   4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Michael Smith and Jason R. Thorpe.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Apollo Domain keyboard routines for the standalone ITE.
  34  */
  35
  36 #if defined(ITECONSOLE) && defined(DOMAIN_KEYBOARD)
  37
  38 #include <sys/param.h>
  39
  40 #include <hp300/dev/frodoreg.h>         /* for apci offsets */
  41 #include <hp300/dev/intioreg.h>         /* for frodo offsets */
  42
  43 #include <hp300/stand/common/dcareg.h>  /* for the register bit definitions */
  44 #include <hp300/stand/common/apcireg.h> /* for the apci registers */
  45 #include <hp300/stand/common/samachdep.h>
  46 #include <hp300/stand/common/kbdvar.h>
  47
  48 #ifndef SMALL
  49
  50 /*
  51  * The Apollo keyboard is used in `cooked' mode as configured by the
  52  * firmware; only one table is required.
  53  *
  54  * Note that if an entry in this table is set to 0, the key is passed
  55  * through untranslated.  If the entry is 0xff, the key is ignored.
  56  */
  57 u_char dnkbd_keymap[] = {
  58         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 07 */
  59         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0f */
  60         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 17 */
  61         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 1f */
  62         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 27 */
  63         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2f */
  64         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 37 */
  65         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 3f */
  66         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 47 */
  67         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 4f */
  68         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 57 */
  69         0x00, 0x00, 0x00, '{',  0x00, '}',  0x00, 0x00, /* 5f */
  70         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 67 */
  71         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 6f */
  72         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 77 */
  73         0x00, 0x00, 0x00, '[',  0x00, ']',  0x00, 0x00, /* 7f */
  74         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 87 */
  75         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 8f */
  76         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 97 */
  77         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 9f */
  78         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* a7 */
  79         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* af */
  80         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* b7 */
  81         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* bf */
  82         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* c7 */
  83         '\\', '|',  0x09, 0x0a, '/',  0xff, 0xff, 0xff, /* cf */
  84         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* d7 */
  85         0xff, 0xff, 0xff, 0xff, '?',  0xff, 0x08, 0xff, /* df */
  86         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* e7 */
  87         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* ef */
  88         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* f7 */
  89         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* ff */
  90 };
  91
  92 int     dnkbd_ignore;           /* for ignoring mouse packets */
  93
  94 int
  95 dnkbd_getc(void)
  96 {
  97         struct apciregs *apci =
  98             (struct apciregs *)IIOV(FRODO_BASE + FRODO_APCI_OFFSET(0));
  99         int c;
 100
 101         /* default to `no key' */
 102         c = 0;
 103
 104         /* Is data in the UART? */
 105         if (apci->ap_lsr & LSR_RXRDY) {
 106                 /* Get the character. */
 107                 c = apci->ap_data;
 108
 109                 /* Ignoring mouse? */
 110                 if (dnkbd_ignore) {
 111                         dnkbd_ignore--;
 112                         return 0;
 113                 }
 114
 115                 /* Is this the start of a mouse packet? */
 116                 if (c == 0xdf) {
 117                         dnkbd_ignore = 3;       /* 3 bytes of junk */
 118                         return 0;
 119                 }
 120
 121                 /* It's a keyboard event. */
 122                 switch (dnkbd_keymap[c]) {
 123                 case 0x00:
 124                         /* passthrough */
 125                         break;
 126
 127                 case 0xff:
 128                         /* ignore */
 129                         c = 0;
 130                         break;
 131
 132                 default:
 133                         c = dnkbd_keymap[c];
 134                         break;
 135                 }
 136         }
 137
 138         return c;
 139 }
 140 #endif /* SMALL */
 141
 142 void
 143 dnkbd_nmi(void)
 144 {
 145
 146         /*
 147          * XXX Should we do anything?  Can we even generate one?
 148          */
 149 }
 150
 151 int
 152 dnkbd_init(void)
 153 {
 154
 155         /*
 156          * 400, 425, and 433 models can have a Domain keyboard.
 157          */
 158         switch (machineid) {
 159         case HP_400:
 160         case HP_425:
 161         case HP_433:
 162                 break;
 163         default:
 164                 return 0;
 165         }
 166
 167         /*
 168          * Look for a Frodo utility chip.  If we find one, assume there
 169          * is a Domain keyboard attached.
 170          */
 171         if (badaddr((void *)IIOV(FRODO_BASE + FRODO_APCI_OFFSET(0))))
 172                 return 0;
 173
 174         /*
 175          * XXX Any other initialization?  This appears to work ok.
 176          */
 177         return 1;
 178 }
 179 #endif /* ITECONSOLE && DOMAIN_KEYBOARD */