/*      $NetBSD: consio.c,v 1.12 2024/01/07 07:58:34 isaki Exp $        */

/*
 * Copyright (c) 2001 MINOURA Makoto.
 * All rights reserved.
 *
 * 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 AUTHOR ``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 AUTHOR 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.
 */

#include <lib/libkern/libkern.h>
#include <lib/libsa/stand.h>

#include "libx68k.h"

#include "iocs.h"
#include "consio.h"

enum {
        ITE = 0,
        SERIAL = 1,
} x68k_console_device;

int
consio_init(int device)
{

        if (device < 0) {       /* undetermined yet */
                if (KEYCTRL & 8)
                        device = ITE;
                else {
                        IOCS_B_PRINT("No keyboard; "
                                     "switching to serial console...");
                        device = SERIAL;
                }
        }

        switch (device) {
        case ITE:
                x68k_console_device = ITE;
                /* set palette here */
                IOCS_OS_CURON();
                break;
        case SERIAL:
                x68k_console_device = SERIAL;
                IOCS_OS_CUROF();
                IOCS_SET232C(SERPARAM);
        }

        return x68k_console_device;
}

int
getchar(void)
{
        int r;

        switch (x68k_console_device) {
        case ITE:
                while ((r = IOCS_B_KEYINP() & 0xff) == 0);
                return r;
        case SERIAL:
                while ((r = IOCS_INP232C() & 0xff) == 0);
                return r;
        }

        return -1;
}

void
putchar(int c)
{

        if (c == '\n')
                putchar('\r');
        switch (x68k_console_device) {
        case ITE:
                IOCS_B_PUTC(c);
                break;
        case SERIAL:
                IOCS_OUT232C(c);
                break;
        }
}

int
check_getchar(void)
{
        int keycode;

        switch (x68k_console_device) {
        case ITE:
                while ((keycode = IOCS_B_KEYSNS()) != 0) {
                        keycode &= 0xff;
                        if (keycode != 0) {
                                /* valid ASCII code */
                                return keycode;
                        }
                        /* discard non ASCII keys (CTRL, OPT.1 etc) */
                        (void)IOCS_B_KEYINP();
                }
                /* no input */
                return 0;
        case SERIAL:
                return IOCS_ISNS232C() & 0xff;
        }

        return -1;
}

int
awaitkey_1sec(void)
{
        int i, c;

        while (check_getchar())
                getchar();

        for (i = 0; i < 100 && (c = check_getchar()) == 0; i++) {
                while (MFP_TIMERC > 100)
                        (void)JOYA;
                while (MFP_TIMERC <= 100)
                        (void)JOYA;
        }

        while (check_getchar())
                getchar();

        return c;
}

extern void put_image(int, int);

void
print_title(const char *fmt, ...)
{
        va_list ap;

        if (x68k_console_device == ITE) {
                int y, y1;
                char *buf = alloca(240); /* about 3 lines */
                char *p;

                y = y1 = (IOCS_B_LOCATE(-1, -1) & 0xffff) + 1;
                put_image(8, y*16-6);
                IOCS_B_LOCATE(0, y+3);
                IOCS_B_PRINT("\360D\360a\360e\360m\360o\360n "
                             "\360l\360o\360g\360o "
                             "\360(\360C\360)\3601\3609\3609\3608\360 "
                             "\360b\360y\360 "
                             "\360M\360a\360r\360s\360h\360a\360l\360l\360 "
                             "\360K\360i\360r\360k\360 "
                             "\360M\360c\360K\360u\360s\360i\360c\360k\360.");
                va_start(ap, fmt);
                vsnprintf(buf, 240, fmt, ap);
                va_end(ap);
                while ((p = strchr(buf, '\n')) != 0) {
                        *p = 0;
                        IOCS_B_LOCATE(9, ++y);
                        IOCS_B_PRINT(buf);
                        buf = p+1;
                }
                IOCS_B_LOCATE(9, ++y);
                IOCS_B_PRINT(buf);
                IOCS_B_LOCATE(0, y1+5);
        } else {
                va_start(ap, fmt);
                vprintf(fmt, ap);
                va_end(ap);
                printf("\n");
        }
}