/*      $NetBSD: cons.c,v 1.3 2015/02/14 05:58:02 tsutsui Exp $ */

/*
 * Copyright (c) 1992 OMRON Corporation.
 *
 * This code is derived from software contributed to Berkeley by
 * OMRON Corporation.
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. 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.
 *
 *      @(#)cons.c      8.1 (Berkeley) 6/10/93
 */
/*
 * Copyright (c) 1992, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * OMRON Corporation.
 *
 * 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.
 *
 *      @(#)cons.c      8.1 (Berkeley) 6/10/93
 */

#include <sys/param.h>
#include <dev/cons.h>
#include <luna68k/stand/boot/samachdep.h>

#define NBMC    1
#define NSIO    1
#define NROM    0       /* XXX doesn't work with framebuffer/keyboard? */

/* XXX - all this could be autoconfig()ed */

struct  consdev constab[] = {
#if NBMC > 0
        { bmccnprobe,   bmccninit,      bmccngetc,      bmccnputc },
#endif
#if NSIO > 0
        { siocnprobe,   siocninit,      siocngetc,      siocnputc },
#endif
#if NROM > 0
        { romcnprobe,   romcninit,      romcngetc,      romcnputc },
#endif
        { 0 },
};
/* end XXX */

struct  tty *constty = 0;       /* virtual console output device */
struct  consdev *cn_tab;        /* physical console device info */

void
cninit(void)
{
        struct consdev *cp;

        /*
         * Collect information about all possible consoles
         * and find the one with highest priority
         */
        for (cp = constab; cp->cn_probe; cp++) {
                (*cp->cn_probe)(cp);
                if (cp->cn_pri > CN_DEAD &&
                    (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri))
                        cn_tab = cp;
        }
        /*
         * No console, we can handle it
         */
        if ((cp = cn_tab) == NULL)
                return;
        /*
         * Turn on console
         */
        (*cp->cn_init)(cp);
}

int
cngetc(void)
{

        if (cn_tab == NULL)
                return 0;
        return (*cn_tab->cn_getc)(cn_tab->cn_dev);
}

void
cnputc(int c)
{

        if (cn_tab == NULL)
                return;
        if (c != 0) {
                (*cn_tab->cn_putc)(cn_tab->cn_dev, c);
                if (c == '\n')
                        (*cn_tab->cn_putc)(cn_tab->cn_dev, '\r');
        }
}