/*      $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);
}