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dnkbd.c revision 1.10
      1 /*	$NetBSD: dnkbd.c,v 1.10 2006/07/19 19:23:56 tsutsui 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Apollo Domain keyboard routines for the standalone ITE.
     41  */
     42 
     43 #if defined(ITECONSOLE) && defined(DOMAIN_KEYBOARD)
     44 
     45 #include <sys/param.h>
     46 
     47 #include <hp300/dev/frodoreg.h>		/* for apci offsets */
     48 #include <hp300/dev/intioreg.h>		/* for frodo offsets */
     49 
     50 #include <hp300/stand/common/dcareg.h>	/* for the register bit definitions */
     51 #include <hp300/stand/common/apcireg.h>	/* for the apci registers */
     52 #include <hp300/stand/common/samachdep.h>
     53 #include <hp300/stand/common/kbdvar.h>
     54 
     55 #ifndef SMALL
     56 
     57 /*
     58  * The Apollo keyboard is used in `cooked' mode as configured by the
     59  * firmware; only one table is required.
     60  *
     61  * Note that if an entry in this table is set to 0, the key is passed
     62  * through untranslated.  If the entry is 0xff, the key is ignored.
     63  */
     64 u_char dnkbd_keymap[] = {
     65 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 07 */
     66 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0f */
     67 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 17 */
     68 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 1f */
     69 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 27 */
     70 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2f */
     71 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 37 */
     72 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 3f */
     73 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 47 */
     74 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 4f */
     75 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 57 */
     76 	0x00, 0x00, 0x00, '{',  0x00, '}',  0x00, 0x00, /* 5f */
     77 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 67 */
     78 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 6f */
     79 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 77 */
     80 	0x00, 0x00, 0x00, '[',  0x00, ']',  0x00, 0x00, /* 7f */
     81 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 87 */
     82 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 8f */
     83 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 97 */
     84 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 9f */
     85 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* a7 */
     86 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* af */
     87 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* b7 */
     88 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* bf */
     89 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* c7 */
     90 	'\\', '|',  0x09, 0x0a, '/',  0xff, 0xff, 0xff, /* cf */
     91 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* d7 */
     92 	0xff, 0xff, 0xff, 0xff, '?',  0xff, 0x08, 0xff, /* df */
     93 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* e7 */
     94 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* ef */
     95 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* f7 */
     96 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* ff */
     97 };
     98 
     99 int	dnkbd_ignore;		/* for ignoring mouse packets */
    100 
    101 int
    102 dnkbd_getc(void)
    103 {
    104 	struct apciregs *apci =
    105 	    (struct apciregs *)IIOV(FRODO_BASE + FRODO_APCI_OFFSET(0));
    106 	int c;
    107 
    108 	/* default to `no key' */
    109 	c = 0;
    110 
    111 	/* Is data in the UART? */
    112 	if (apci->ap_lsr & LSR_RXRDY) {
    113 		/* Get the character. */
    114 		c = apci->ap_data;
    115 
    116 		/* Ignoring mouse? */
    117 		if (dnkbd_ignore) {
    118 			dnkbd_ignore--;
    119 			return 0;
    120 		}
    121 
    122 		/* Is this the start of a mouse packet? */
    123 		if (c == 0xdf) {
    124 			dnkbd_ignore = 3;	/* 3 bytes of junk */
    125 			return 0;
    126 		}
    127 
    128 		/* It's a keyboard event. */
    129 		switch (dnkbd_keymap[c]) {
    130 		case 0x00:
    131 			/* passthrough */
    132 			break;
    133 
    134 		case 0xff:
    135 			/* ignore */
    136 			c = 0;
    137 			break;
    138 
    139 		default:
    140 			c = dnkbd_keymap[c];
    141 			break;
    142 		}
    143 	}
    144 
    145 	return c;
    146 }
    147 #endif /* SMALL */
    148 
    149 void
    150 dnkbd_nmi(void)
    151 {
    152 
    153 	/*
    154 	 * XXX Should we do anything?  Can we even generate one?
    155 	 */
    156 }
    157 
    158 int
    159 dnkbd_init(void)
    160 {
    161 
    162 	/*
    163 	 * 400, 425, and 433 models can have a Domain keyboard.
    164 	 */
    165 	switch (machineid) {
    166 	case HP_400:
    167 	case HP_425:
    168 	case HP_433:
    169 		break;
    170 	default:
    171 		return 0;
    172 	}
    173 
    174 	/*
    175 	 * Look for a Frodo utility chip.  If we find one, assume there
    176 	 * is a Domain keyboard attached.
    177 	 */
    178 	if (badaddr((caddr_t)IIOV(FRODO_BASE + FRODO_APCI_OFFSET(0))))
    179 		return 0;
    180 
    181 	/*
    182 	 * XXX Any other initialization?  This appears to work ok.
    183 	 */
    184 	return 1;
    185 }
    186 #endif /* ITECONSOLE && DOMAIN_KEYBOARD */
    187