/*      $NetBSD: p5membar.c,v 1.5 2023/12/20 00:40:42 thorpej Exp $ */

/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Radoslaw Kujawa.
*
* 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.
*/

/*
* Handle autoconfigured PCI resources on some revisions of CyberVision PPC,
* BlizzardVision PPC graphics cards and all G-REX PCI busboards.
*/

#include <sys/types.h>
#include <sys/param.h>
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/device.h>

#include <uvm/uvm_extern.h>

#include <machine/bus.h>
#include <machine/cpu.h>

#include <m68k/bus_dma.h>
#include <amiga/dev/zbusvar.h>
#include <amiga/pci/p5pbreg.h>
#include <amiga/pci/p5pbvar.h>
#include <amiga/pci/p5membarvar.h>

/* Zorro IDs */
#define ZORRO_MANID_P5          8512
#define ZORRO_PRODID_P5PB       101             /* CVPPC/BVPPC/G-REX */

static int      p5membar_match(device_t, cfdata_t, void *);
static void     p5membar_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(p5membar, sizeof(struct p5membar_softc),
   p5membar_match, p5membar_attach, NULL, NULL);

static int
p5membar_match(device_t parent, cfdata_t cf, void *aux)
{
       struct zbus_args *zap;

       zap = aux;

       if (zap->manid != ZORRO_MANID_P5)
               return 0;

       if (zap->prodid != ZORRO_PRODID_P5PB)
               return 0;

       return 1;
}

static void
p5membar_attach(device_t parent, device_t self, void *aux)
{
       struct zbus_args *zap;
       struct p5membar_softc *sc;

       sc = device_private(self);
       zap = aux;

       sc->sc_dev = self;
       sc->sc_base = zap->pa;
       sc->sc_size = zap->size;

       if ((bus_addr_t) zap->pa == P5BUS_PCI_CONF_BASE) {
               aprint_normal(": PCI config area, %d kB\n",
                   zap->size / 1024);
               sc->sc_type = P5MEMBAR_TYPE_INTERNAL;
       } else if ((bus_addr_t) zap->pa == P5BUS_PCI_IO_BASE) {
               aprint_normal(": PCI I/O area, %d kB\n",
                   zap->size / 1024);
               sc->sc_type = P5MEMBAR_TYPE_INTERNAL;
       } else if ((bus_addr_t) zap->pa == P5BUS_BRIDGE_BASE) {
               aprint_normal(": PCI bridge, %d kB\n",
                   zap->size / 1024);
               sc->sc_type = P5MEMBAR_TYPE_INTERNAL;
       } else {
               aprint_normal(": PCI memory BAR, %d kB\n",
                   zap->size / 1024);
               sc->sc_type = P5MEMBAR_TYPE_MEMORY;
       }

       /*
        * Do nothing here, p5pb should find the p5membar devices
        * and do the right(tm) thing.
        */

}