/*      $NetBSD: hil.c,v 1.15 2023/01/15 06:19:46 tsutsui Exp $ */

/*-
 * Copyright (c) 1997 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * from: Utah Hdr: hil.c 1.1 89/08/22
 *
 *      @(#)hil.c       8.1 (Berkeley) 6/10/93
 */

/*
 * HIL keyboard routines for the standalone ITE.
 */

#if defined(ITECONSOLE) && defined(HIL_KEYBOARD)

#include <sys/param.h>

#include <hp300/stand/common/hilreg.h>
#include <hp300/stand/common/kbdmap.h>
#include <hp300/stand/common/itevar.h>

#include <hp300/stand/common/samachdep.h>
#include <hp300/stand/common/kbdvar.h>

#ifndef SMALL

/*
 * HIL cooked keyboard keymaps.
 * Supports only unshifted, shifted and control keys.
 */
char hil_us_keymap[] = {
        '\0',   '`',    '\\',   ESC,    '\0',   DEL,    '\0',   '\0',
        '\n',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\n',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\b',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        ESC,    '\r',   '\0',   '\n',   '0',    '.',    ',',    '+',
        '1',    '2',    '3',    '-',    '4',    '5',    '6',    '*',
        '7',    '8',    '9',    '/',    'E',    '(',    ')',    '^',
        '1',    '2',    '3',    '4',    '5',    '6',    '7',    '8',
        '9',    '0',    '-',    '=',    '[',    ']',    ';',    '\'',
        ',',    '.',    '/',    '\040', 'o',    'p',    'k',    'l',
        'q',    'w',    'e',    'r',    't',    'y',    'u',    'i',
        'a',    's',    'd',    'f',    'g',    'h',    'j',    'm',
        'z',    'x',    'c',    'v',    'b',    'n',    '\0',   '\0'
};

char hil_us_shiftmap[] = {
        '\0',   '~',    '|',    DEL,    '\0',   DEL,    '\0',   '\0',
        '\n',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\n',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   DEL,    '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        ESC,    '\r',   '\0',   '\n',   '0',    '.',    ',',    '+',
        '1',    '2',    '3',    '-',    '4',    '5',    '6',    '*',
        '7',    '8',    '9',    '/',    '`',    '|',    '\\',   '~',
        '!',    '@',    '#',    '$',    '%',    '^',    '&',    '*',
        '(',    ')',    '_',    '+',    '{',    '}',    ':',    '\"',
        '<',    '>',    '?',    '\040', 'O',    'P',    'K',    'L',
        'Q',    'W',    'E',    'R',    'T',    'Y',    'U',    'I',
        'A',    'S',    'D',    'F',    'G',    'H',    'J',    'M',
        'Z',    'X',    'C',    'V',    'B',    'N',    '\0',   '\0'
};

char hil_us_ctrlmap[] = {
        '\0',   '`',    '\034', ESC,    '\0',   DEL,    '\0',   '\0',
        '\n',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\n',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\b',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        ESC,    '\r',   '\0',   '\n',   '0',    '.',    ',',    '+',
        '1',    '2',    '3',    '-',    '4',    '5',    '6',    '*',
        '7',    '8',    '9',    '/',    'E',    '(',    ')',    '\036',
        '1',    '2',    '3',    '4',    '5',    '6',    '7',    '8',
        '9',    '0',    '-',    '=',    '\033', '\035', ';',    '\'',
        ',',    '.',    '/',    '\040', '\017', '\020', '\013', '\014',
        '\021', '\027', '\005', '\022', '\024', '\031', '\025', '\011',
        '\001', '\023', '\004', '\006', '\007', '\010', '\012', '\015',
        '\032', '\030', '\003', '\026', '\002', '\016', '\0',   '\0'
};

#ifdef UK_KEYBOARD
char hil_uk_keymap[] = {
        '\0',   '`',    '<',    ESC,    '\0',   DEL,    '\0',   '\0',
        '\n',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\n',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\b',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        ESC,    '\r',   '\0',   '\n',   '0',    '.',    ',',    '+',
        '1',    '2',    '3',    '-',    '4',    '5',    '6',    '*',
        '7',    '8',    '9',    '/',    'E',    '(',    ')',    '^',
        '1',    '2',    '3',    '4',    '5',    '6',    '7',    '8',
        '9',    '0',    '+',    '\'',   '[',    ']',    '*',    '\\',
        ',',    '.',    '-',    '\040', 'o',    'p',    'k',    'l',
        'q',    'w',    'e',    'r',    't',    'y',    'u',    'i',
        'a',    's',    'd',    'f',    'g',    'h',    'j',    'm',
        'z',    'x',    'c',    'v',    'b',    'n',    '\0',   '\0'
};

char hil_uk_shiftmap[] = {
        '\0',   '~',    '>',    DEL,    '\0',   DEL,    '\0',   '\0',
        '\n',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\n',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   DEL,    '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        ESC,    '\r',   '\0',   '\n',   '0',    '.',    ',',    '+',
        '1',    '2',    '3',    '-',    '4',    '5',    '6',    '*',
        '7',    '8',    '9',    '/',    '`',    '|',    '\\',   '~',
        '!',    '\"',   '#',    '$',    '%',    '&',    '^',    '(',
        ')',    '=',    '?',    '/',    '{',    '}',    '@',    '|',
        ';',    ':',    '_',    '\040', 'O',    'P',    'K',    'L',
        'Q',    'W',    'E',    'R',    'T',    'Y',    'U',    'I',
        'A',    'S',    'D',    'F',    'G',    'H',    'J',    'M',
        'Z',    'X',    'C',    'V',    'B',    'N',    '\0',   '\0'
};

char hil_uk_ctrlmap[] = {
        '\0',   '`',    '<',    ESC,    '\0',   DEL,    '\0',   '\0',
        '\n',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\n',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\t',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\b',   '\0',
        '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',   '\0',
        ESC,    '\r',   '\0',   '\n',   '0',    '.',    ',',    '+',
        '1',    '2',    '3',    '-',    '4',    '5',    '6',    '*',
        '7',    '8',    '9',    '/',    'E',    '(',    ')',    '\036',
        '1',    '2',    '3',    '4',    '5',    '6',    '7',    '8',
        '9',    '0',    '+',    '\'',   '\033', '\035', '*',    '\034',
        ',',    '.',    '/',    '\040', '\017', '\020', '\013', '\014',
        '\021', '\027', '\005', '\022', '\024', '\031', '\025', '\011',
        '\001', '\023', '\004', '\006', '\007', '\010', '\012', '\015',
        '\032', '\030', '\003', '\026', '\002', '\016', '\0',   '\0'
};
#endif

/*
 * The keyboard map table.
 * Lookup is by hardware returned language code.
 */
struct kbdmap hilkbd_map[] = {
        { KBD_US, "",
            hil_us_keymap, hil_us_shiftmap, hil_us_ctrlmap, NULL, NULL},

#ifdef UK_KEYBOARD
        { KBD_UK, "",
            hil_uk_keymap, hil_uk_shiftmap, hil_uk_ctrlmap, NULL, NULL},
#endif

        { 0, "",
            NULL, NULL, NULL, NULL, NULL},
};

char    *hilkbd_keymap = hil_us_keymap;
char    *hilkbd_shiftmap = hil_us_shiftmap;
char    *hilkbd_ctrlmap = hil_us_ctrlmap;

int
hilkbd_getc(void)
{
        int status, c;
        struct hil_dev *hiladdr = HILADDR;

        status = hiladdr->hil_stat;
        if ((status & HIL_DATA_RDY) == 0)
                return 0;
        c = hiladdr->hil_data;
        switch ((status>>KBD_SSHIFT) & KBD_SMASK) {
        case KBD_SHIFT:
                c = hilkbd_shiftmap[c & KBD_CHARMASK];
                break;
        case KBD_CTRL:
                c = hilkbd_ctrlmap[c & KBD_CHARMASK];
                break;
        case KBD_KEY:
                c = hilkbd_keymap[c & KBD_CHARMASK];
                break;
        default:
                c = 0;
                break;
        }
        return c;
}
#endif /* SMALL */

void
hilkbd_nmi(void)
{
        struct hil_dev *hiladdr = HILADDR;

        HILWAIT(hiladdr);
        hiladdr->hil_cmd = HIL_CNMT;
        HILWAIT(hiladdr);
        hiladdr->hil_cmd = HIL_CNMT;
        HILWAIT(hiladdr);
}

int
hilkbd_init(void)
{
        struct hil_dev *hiladdr = HILADDR;
        struct kbdmap *km;
        u_char lang;

        /*
         * Determine the existence of a HIL keyboard.
         */
        HILWAIT(hiladdr);
        hiladdr->hil_cmd = HIL_READKBDSADR;
        HILDATAWAIT(hiladdr);
        lang = hiladdr->hil_data;
        if (lang == 0)
                return 0;

        HILWAIT(hiladdr);
        hiladdr->hil_cmd = HIL_SETARR;
        HILWAIT(hiladdr);
        hiladdr->hil_data = ar_format(KBD_ARR);
        HILWAIT(hiladdr);
        hiladdr->hil_cmd = HIL_READKBDLANG;
        HILDATAWAIT(hiladdr);
        lang = hiladdr->hil_data;
        for (km = hilkbd_map; km->kbd_code; km++) {
                if (km->kbd_code == lang) {
                        hilkbd_keymap = km->kbd_keymap;
                        hilkbd_shiftmap = km->kbd_shiftmap;
                        hilkbd_ctrlmap = km->kbd_ctrlmap;
                }
        }
        HILWAIT(hiladdr);
        hiladdr->hil_cmd = HIL_INTON;
        return 1;
}
#endif /* ITECONSOLE && HIL_KEYBOARD */