/* $NetBSD: dec_3000_300.c,v 1.50 2025/03/09 01:06:41 thorpej Exp $ */

/*
 * Copyright (c) 1995, 1996 Carnegie-Mellon University.
 * All rights reserved.
 *
 * Author: Chris G. Demetriou
 *
 * Permission to use, copy, modify and distribute this software and
 * its documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

/*
 * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
 */

#include <sys/cdefs.h>                  /* RCS ID & Copyright macro defns */

__KERNEL_RCSID(0, "$NetBSD: dec_3000_300.c,v 1.50 2025/03/09 01:06:41 thorpej Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/termios.h>
#include <sys/conf.h>

#include <machine/rpb.h>
#include <machine/autoconf.h>
#include <machine/cpuconf.h>

#include <dev/tc/tcvar.h>
#include <dev/tc/tcdsvar.h>
#include <alpha/tc/tc_3000_300.h>

#include <machine/z8530var.h>
#include <dev/tc/zs_ioasicvar.h>

#include "wsdisplay.h"

void dec_3000_300_init(void);
static void dec_3000_300_cons_init(void);
static void dec_3000_300_device_register(device_t, void *);

const struct alpha_variation_table dec_3000_300_variations[] = {
        { SV_ST_PELICAN, "DEC 3000/300 (\"Pelican\")" },
        { SV_ST_PELICA, "DEC 3000/300L (\"Pelica\")" },
        { SV_ST_PELICANPLUS, "DEC 3000/300X (\"Pelican+\")" },
        { SV_ST_PELICAPLUS, "DEC 3000/300LX (\"Pelica+\")" },
        { 0, NULL },
};

void
dec_3000_300_init(void)
{
        uint64_t variation;

        platform.family = "DEC 3000/300 (\"Pelican\")";

        if ((platform.model = alpha_dsr_sysname()) == NULL) {
                variation = hwrpb->rpb_variation & SV_ST_MASK;
                if ((platform.model = alpha_variation_name(variation,
                    dec_3000_300_variations)) == NULL)
                        platform.model = alpha_unknown_sysname();
        }

        platform.iobus = "tcasic";
        platform.cons_init = dec_3000_300_cons_init;
        platform.device_register = dec_3000_300_device_register;
}

static void
dec_3000_300_cons_init(void)
{
        struct ctb *ctb;

        ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off);

        switch (ctb->ctb_term_type) {
        case CTB_GRAPHICS:
#if NWSDISPLAY > 0
                /* display console ... */
                if (zs_ioasic_lk201_cnattach(0x1a0000000, 0x00180000, 0) == 0 &&
                    tc_3000_300_fb_cnattach(
                     CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot)) == 0) {
                        break;
                }
#endif
                printf("consinit: Unable to init console on keyboard and ");
                printf("TURBOchannel slot 0x%lx.\n", ctb->ctb_turboslot);
                printf("Using serial console.\n");
                /* FALLTHROUGH */

        case CTB_PRINTERPORT:
                /* serial console ... */
                /*
                 * XXX This could stand some cleanup...
                 */
                {
                        /*
                         * Delay to allow PROM putchars to complete.
                         * FIFO depth * character time.
                         * character time = (1000000 / (defaultrate / 10))
                         */
                        DELAY(160000000 / 9600);        /* XXX */

                        /*
                         * Console is channel B of the first SCC.
                         * XXX Should use ctb_line_off to get the
                         * XXX line parameters.
                         */
                        zs_ioasic_cnattach(0x1a0000000, 0x00100000, 1);
                        break;
                }

        default:
                printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
                printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
                panic("consinit: unknown console type %lu",
                    ctb->ctb_term_type);
                /* NOTREACHED */
        }
}

static void
dec_3000_300_device_register(device_t dev, void *aux)
{
        tc_find_bootdev(dev, aux);
}