/*      $OpenBSD: cy_isa.c,v 1.11 2022/04/06 18:59:28 naddy Exp $       */
/*
 * Copyright (c) 1996 Timo Rossi.
 * 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.
 * 3. Neither the name of the author nor the names of contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 */

/*
 * cy_isa.c
 *
 * Driver for Cyclades Cyclom-8/16/32 multiport serial cards
 * (currently not tested with Cyclom-32 cards)
 *
 * Timo Rossi, 1996
 */

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

#include <machine/bus.h>

#include <dev/isa/isavar.h>
#include <dev/isa/isareg.h>

#include <dev/ic/cd1400reg.h>
#include <dev/ic/cyreg.h>

static int cy_isa_probe(struct device *, void *, void *);
void cy_isa_attach(struct device *, struct device *, void *);

const struct cfattach cy_isa_ca = {
        sizeof(struct cy_softc), cy_isa_probe, cy_isa_attach
};

int
cy_isa_probe(struct device *parent, void *match, void *aux)
{
        int card = ((struct device *)match)->dv_unit;
        struct isa_attach_args *ia = aux;
        bus_space_tag_t memt;
        bus_space_handle_t memh;
        int ret;

        if (ia->ia_irq == IRQUNK) {
                printf("cy%d error: interrupt not defined\n", card);
                return (0);
        }

        memt = ia->ia_memt;
        if (bus_space_map(memt, ia->ia_maddr, 0x2000, 0, &memh) != 0)
                return (0);

        ret = cy_probe_common(memt, memh, CY_BUSTYPE_ISA);
        bus_space_unmap(memt, memh, 0x2000);
        if (ret == 0)
                return (0);

        ia->ia_iosize = 0;
        ia->ia_msize = 0x2000;
        return (1);
}

void
cy_isa_attach(struct device *parent, struct device *self, void *aux)
{
        struct cy_softc *sc = (struct cy_softc *)self;
        struct isa_attach_args *ia = aux;

        sc->sc_bustype = CY_BUSTYPE_ISA;
        sc->sc_memt = ia->ia_memt;

        if (bus_space_map(ia->ia_memt, ia->ia_maddr, 0x2000, 0,
            &sc->sc_memh) != 0)
                return;

        sc->sc_nr_cd1400s = cy_probe_common(sc->sc_memt, sc->sc_memh,
            CY_BUSTYPE_ISA);

        cy_attach(parent, self);

        sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq,
            IST_EDGE, IPL_TTY, cy_intr, sc, sc->sc_dev.dv_xname);

        if (sc->sc_ih == NULL)
                panic("cy: couldn't establish interrupt");
}