/*      $NetBSD: hyper.c,v 1.24 2021/08/07 16:18:41 thorpej Exp $ */

/*-
 * Copyright (c) 1997,1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Ignatios Souvatzis.
 *
 * 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.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: hyper.c,v 1.24 2021/08/07 16:18:41 thorpej Exp $");

/*
 * zbus HyperCom driver
 */

#include <sys/types.h>

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

#include <amiga/include/cpu.h>

#include <amiga/amiga/device.h>
#include <amiga/amiga/drcustom.h>

#include <amiga/dev/supio.h>
#include <amiga/dev/zbusvar.h>


struct hyper_softc {
        struct bus_space_tag sc_bst;
};

int hypermatch(device_t, cfdata_t, void *);
void hyperattach(device_t, device_t, void *);
int hyperprint(void *, const char *);

CFATTACH_DECL_NEW(hyper, sizeof(struct hyper_softc),
    hypermatch, hyperattach, NULL, NULL);

struct hyper_prods {
        const char *name;
        unsigned baseoff;
} hyperproducts [] = {
        {0, 0},                 /* 0: not used */
        {0, 0},                 /* 1: handled by aster driver */
        {"4", 1},               /* 2 */
        {"Z3", 0},              /* 3 */
        {0, 0},                 /* 4: not used */
        {0, 0},                 /* 5: not used */
        {"4+", 0x8000},         /* 6 */
        {"3+", 0x8000}          /* 7 */
};

int
hypermatch(device_t parent, cfdata_t cf, void *aux)
{
        struct zbus_args *zap;

        zap = aux;

        if (zap->manid != 5001)
                return (0);

        if (zap->prodid < sizeof(hyperproducts)/sizeof(*hyperproducts) &&
            hyperproducts[zap->prodid].name)

                return (1);

        return (0);
}

#define HYPERPROD3      (1<<3)
#define HYPERPROD4      (1<<2)
#define HYPERPROD4PLUS  (1<<6)
#define HYPERPROD3PLUS  (1<<7)

struct hyper_devs {
        const char *name;
        unsigned off;
        int arg;
        u_int32_t productmask;  /* XXX only prodid 0..31 */
} hyperdevices[] = {
        { "com", 0x00, 115200 * 16 * 4, HYPERPROD3 | HYPERPROD4 },
        { "com", 0x08, 115200 * 16 * 4, HYPERPROD3 | HYPERPROD4 },
        { "com", 0x10, 115200 * 16 * 4, HYPERPROD4 },
        { "com", 0x18, 115200 * 16 * 4, HYPERPROD4 },
        /* not yet { "lpt", 0x40, 0, HYPERPROD3 }, */
        { "com", 0x0400, 115200 * 16 * 4, HYPERPROD3PLUS | HYPERPROD4PLUS },
        { "com", 0x0000, 115200 * 16 * 4, HYPERPROD3PLUS | HYPERPROD4PLUS },
        { "com", 0x0c00, 115200 * 16 * 4, HYPERPROD4PLUS },
        { "com", 0x1000, 115200 * 16 * 4, HYPERPROD4PLUS },
        { "lpt", 0x0800, 0, HYPERPROD3PLUS | HYPERPROD4PLUS },
        { "lpt", 0x1400, 0, HYPERPROD4PLUS },
};

void
hyperattach(device_t parent, device_t self, void *aux)
{
        struct hyper_softc *hprsc;
        struct hyper_devs  *hprsd;
        struct zbus_args *zap;
        struct supio_attach_args supa;
        struct hyper_prods *hprpp;

        hprsc = device_private(self);
        zap = aux;
        hprpp = &hyperproducts[zap->prodid];

        if (parent)
                printf(": Hypercom %s\n", hprpp->name);

        hprsc->sc_bst.base = (u_long)zap->va + hprpp->baseoff;
        hprsc->sc_bst.absm = &amiga_bus_stride_4;

        supa.supio_iot = &hprsc->sc_bst;
        supa.supio_ipl = 6;

        hprsd = hyperdevices;

        while (hprsd->name) {
                if (hprsd->productmask & (1 << zap->prodid)) {
                        supa.supio_name = hprsd->name;
                        supa.supio_iobase = hprsd->off;
                        supa.supio_arg = hprsd->arg;
                        config_found(self, &supa, hyperprint, CFARGS_NONE); /* XXX */
                }
                ++hprsd;
        }
}

int
hyperprint(void *aux, const char *pnp)
{
        struct supio_attach_args *supa;
        supa = aux;

        if (pnp == NULL)
                return(QUIET);

        aprint_normal("%s at %s port 0x%02x",
            supa->supio_name, pnp, supa->supio_iobase);

        return(UNCONF);
}