/*      $NetBSD: plumisa_machdep.c,v 1.14 2021/08/07 16:18:54 thorpej Exp $ */

/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* 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: plumisa_machdep.c,v 1.14 2021/08/07 16:18:54 thorpej Exp $");

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

#include <machine/bus.h>

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

#include <machine/platid.h>
#include <machine/platid_mask.h>

#include <hpcmips/tx/tx39var.h>
#include <hpcmips/dev/plumvar.h>
#include <hpcmips/dev/plumicuvar.h>
#include <hpcmips/dev/plumiobusvar.h>

#include "locators.h"

int     plumisabprint(void *, const char *);
int     plumisabmatch(device_t, cfdata_t, void *);
void    plumisabattach(device_t, device_t, void *);

struct plumisab_softc {
       plum_chipset_tag_t sc_pc;
       bus_space_tag_t sc_iot;
       int sc_irq;
       void *sc_ih;
};

CFATTACH_DECL_NEW(plumisab, sizeof(struct plumisab_softc),
   plumisabmatch, plumisabattach, NULL, NULL);

int
plumisabmatch(device_t parent, cfdata_t match, void *aux)
{
       struct plumiobus_attach_args *pba = aux;
       platid_mask_t mask;

       if (strcmp(pba->pba_busname, match->cf_name)) {
               return (0);
       }

       if (match->cf_loc[PLUMIOBUSIFCF_PLATFORM] ==
           PLUMIOBUSIFCF_PLATFORM_DEFAULT) {
               return (1);
       }

       mask = PLATID_DEREF(match->cf_loc[PLUMIOBUSIFCF_PLATFORM]);
       if (platid_match(&platid, &mask)) {
               return (2);
       }

       return (0);
}

void
plumisabattach(device_t parent, device_t self, void *aux)
{
       struct plumiobus_attach_args *pba = aux;
       struct plumisab_softc *sc = device_private(self);
       struct isabus_attach_args iba;

       printf("\n");
       sc->sc_pc = pba->pba_pc;
       sc->sc_iot = pba->pba_iot;
       sc->sc_irq = pba->pba_irq;
       printf(" base=%#x irq=%d\n", sc->sc_iot->t_base, sc->sc_irq);
#if 0
       /* Reset I/O bus */
       plum_power_ioreset(sc->sc_pc);
#endif
       /* Dump I/O port */
       if (0) {
               bus_space_handle_t ioh;
               int i;
               bus_space_map(sc->sc_iot, 0, 0x400, 0, &ioh);
               for(i = 0; i < 0x400; i += 4) {
                       printf("[%03x]%02x", i, bus_space_read_1(sc->sc_iot, ioh, i + 3));
                       printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 2));
                       printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 1));
                       printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 0));
               }
               bus_space_unmap(sc->sc_iot, ioh, 0x400);
       }

       iba.iba_ic      = sc;
       /* Plum ISA-bus don't have memory space! */
       /* Plum ISA port space */
       iba.iba_iot     = sc->sc_iot;
       config_found(self, &iba, plumisabprint, CFARGS_NONE);
}

int
plumisabprint(void *aux, const char *pnp)
{

       return (pnp ? QUIET : UNCONF);
}

void
isa_attach_hook(device_t parent, device_t self,
   struct isabus_attach_args *iba)
{

}

void
isa_detach_hook(isa_chipset_tag_t, device_t self)
{
}

void *
isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level,
   int (*ih_fun)(void *), void *ih_arg)
{
       struct plumisab_softc *sc = (void*)ic;

       sc->sc_ih = plum_intr_establish(sc->sc_pc, sc->sc_irq, type, level,
                                       ih_fun, ih_arg);
       return (sc->sc_ih);
}

void
isa_intr_disestablish(isa_chipset_tag_t ic, void *arg)
{
       struct plumisab_softc *sc = (void*)ic;

       plum_intr_disestablish(sc->sc_pc, arg);
}

int
isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq)
{
       struct plumisab_softc *sc = (void*)ic;

       *irq = sc->sc_irq;

       return (0);
}