/* $NetBSD: if_ne_intio.c,v 1.20 2024/01/06 05:16:57 isaki Exp $ */
/*
* Copyright (c) 2001 Tetsuya Isaki. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
/*
* Ethernet part of Nereid Ethernet/USB/Memory board
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ne_intio.c,v 1.20 2024/01/06 05:16:57 isaki Exp $");
#include "opt_inet.h"
#include "opt_ns.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/select.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_inarp.h>
#endif
#if BPFILTER > 0
#include <net/bpf.h>
#endif
#include <machine/bus.h>
#include <machine/cpu.h>
#include <dev/ic/dp8390reg.h>
#include <dev/ic/dp8390var.h>
#include <dev/ic/ne2000reg.h>
#include <dev/ic/ne2000var.h>
#include <arch/x68k/dev/intiovar.h>
#define NE_INTIO_ADDR (0xece300)
#define NE_INTIO_ADDR2 (0xeceb00)
#define NE_INTIO_INTR (0xf9)
#define NE_INTIO_INTR2 (0xf8)
static int ne_intio_match(device_t, cfdata_t, void *);
static void ne_intio_attach(device_t, device_t, void *);
#define ne_intio_softc ne2000_softc
CFATTACH_DECL_NEW(ne_intio, sizeof(struct ne_intio_softc),
ne_intio_match, ne_intio_attach, NULL, NULL);
static int
ne_intio_match(device_t parent, cfdata_t cf, void *aux)
{
struct intio_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_bst;
bus_space_handle_t ioh;
bus_space_tag_t asict;
bus_space_handle_t asich;
int rv = 0;
if (ia->ia_addr == INTIOCF_ADDR_DEFAULT)
ia->ia_addr = NE_INTIO_ADDR;
if (ia->ia_intr == INTIOCF_INTR_DEFAULT)
ia->ia_intr = NE_INTIO_INTR;
/* fixed parameters */
if (!(ia->ia_addr == NE_INTIO_ADDR && ia->ia_intr == NE_INTIO_INTR ) &&
!(ia->ia_addr == NE_INTIO_ADDR2 && ia->ia_intr == NE_INTIO_INTR2) )
return 0;
/* Make sure this is a valid NE2000 I/O address */
if ((ia->ia_addr & 0x1f) != 0)
return 0;
/* Check whether the board is inserted or not */
if (badaddr((void *)IIOV(ia->ia_addr)))
return 0;
/* Map I/O space */
if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS * 2,
BUS_SPACE_MAP_SHIFTED_EVEN, &ioh))
return 0;
asict = iot;
if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET * 2,
NE2000_ASIC_NPORTS * 2, &asich))
goto out;
/* Look for an NE2000 compatible card */
rv = ne2000_detect(iot, ioh, asict, asich);
out:
bus_space_unmap(iot, ioh, NE2000_NPORTS);
return (rv != 0) ? 1 : 0;
}
static void
ne_intio_attach(device_t parent, device_t self, void *aux)
{
struct ne_intio_softc *sc = device_private(self);
struct dp8390_softc *dsc = &sc->sc_dp8390;
struct intio_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_bst;
bus_space_handle_t ioh;
bus_space_tag_t asict;
bus_space_handle_t asich;
const char *typestr;
int netype;
dsc->sc_dev = self;
aprint_normal(": Nereid Ethernet\n");
/* Map I/O space */
if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS * 2,
BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)) {
aprint_error_dev(self, "can't map I/O space\n");
return;
}
asict = iot;
if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET * 2,
NE2000_ASIC_NPORTS * 2, &asich)) {
aprint_error_dev(self, "can't subregion I/O space\n");
return;
}
dsc->sc_regt = iot;
dsc->sc_regh = ioh;
sc->sc_asict = asict;
sc->sc_asich = asich;
/*
* detect it again, so we can print some information about
* the interface.
* XXX: Should I check NE1000 or NE2000 for Nereid?
*/
netype = ne2000_detect(iot, ioh, asict, asich);
switch (netype) {
case NE2000_TYPE_NE1000:
typestr = "NE1000";
break;
case NE2000_TYPE_NE2000:
typestr = "NE2000";
break;
case NE2000_TYPE_RTL8019:
typestr = "NE2000 (RTL8019)";
break;
default:
aprint_error_dev(self, "where did the card go?!\n");
return;
}
aprint_normal_dev(self, "%s Ethernet\n", typestr);
/* This interface is always enabled */
dsc->sc_enabled = 1;
/*
* Do generic NE2000 attach.
* This will read the mac address from the EEPROM.
*/
ne2000_attach(sc, NULL);
/* Establish the interrupt handler */
if (intio_intr_establish(ia->ia_intr, "ne", dp8390_intr, dsc))
aprint_error_dev(self,
"couldn't establish interrupt handler\n");
}
