NetBSD/sys/dev/isa/if_lc_isa.c

190 lines
4.9 KiB
C

/* $NetBSD: if_lc_isa.c,v 1.4 1997/10/20 18:43:15 thorpej Exp $ */
/*-
* Copyright (c) 1994, 1995, 1997 Matt Thomas <matt@3am-software.com>
* 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. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* 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.
*/
/*
* DEC EtherWORKS 3 Ethernet Controllers
*
* Written by Matt Thomas
*
* This driver supports the LEMAC (DE203, DE204, and DE205) cards.
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/select.h>
#include <sys/device.h>
#include <sys/queue.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
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/ic/lemacreg.h>
#include <dev/ic/lemacvar.h>
#include <dev/isa/isavar.h>
static int
lemac_isa_probe(
struct device *parent,
#ifdef __BROKEN_INDIRECT_CONFIG
void *match,
#else
struct cfdata *match,
#endif
void *aux)
{
struct isa_attach_args * const ia = aux;
int irq;
bus_addr_t iobase;
bus_addr_t iolimit;
bus_addr_t maddr;
bus_addr_t msize;
bus_space_handle_t memh;
bus_space_handle_t ioh;
/*
* Determine if we are probing for any card or a specific card.
*/
if (ia->ia_iobase == IOBASEUNK) {
iobase = LEMAC_IOBASE_LOW;
iolimit = LEMAC_IOBASE_HIGH;
} else if (ia->ia_iobase & (LEMAC_IOSIZE-1)) {
return 0;
} else {
iobase = ia->ia_iobase;
iolimit = ia->ia_iobase + LEMAC_IOSIZE;
}
for (; iobase < iolimit; iobase += LEMAC_IOSIZE) {
/*
* Map the LEMACs port-space for the probe sequence.
*/
if (bus_space_map(ia->ia_iot, iobase, LEMAC_IOSIZE, 0, &ioh))
continue;
/*
* Read the Ethernet address from the EEPROM.
* It must start with on the DEC OUIs and pass the
* DEC ethernet checksum test.
*/
if (lemac_port_check(ia->ia_iot, ioh)) {
lemac_info_get(ia->ia_iot, ioh, &maddr, &msize, &irq);
if (!bus_space_map(ia->ia_memt, maddr, msize, 0, &memh)) {
bus_space_unmap(ia->ia_memt, memh, msize);
if ((ia->ia_maddr == MADDRUNK || ia->ia_maddr == maddr)
&& (ia->ia_irq == IRQUNK || ia->ia_irq == irq)) {
ia->ia_iobase = iobase;
ia->ia_irq = irq;
ia->ia_iosize = LEMAC_IOSIZE;
ia->ia_maddr = maddr;
ia->ia_msize = msize;
bus_space_unmap(ia->ia_iot, ioh, LEMAC_IOSIZE);
return 1;
}
}
}
bus_space_unmap(ia->ia_iot, ioh, LEMAC_IOSIZE);
}
return 0;
}
static void
lemac_isa_attach(
struct device *parent,
struct device *self,
void *aux)
{
lemac_softc_t *sc = (void *)self;
struct isa_attach_args *ia = aux;
/* Map i/o space. */
sc->sc_iot = ia->ia_iot;
if (bus_space_map(sc->sc_iot, ia->ia_iobase, ia->ia_iosize, 0,
&sc->sc_ioh)) {
printf(": can't map i/o space\n");
return;
}
if (ia->ia_msize && ia->ia_maddr) {
sc->sc_memt = ia->ia_memt;
/* Map memory space. */
if (bus_space_map(sc->sc_memt, ia->ia_maddr, ia->ia_msize, 0,
&sc->sc_memh)) {
printf(": can't map mem space\n");
return;
}
}
sc->sc_ats = shutdownhook_establish(lemac_shutdown, sc);
if (sc->sc_ats == NULL)
printf("\n%s: warning: couldn't establish shutdown hook\n",
sc->sc_dv.dv_xname);
lemac_ifattach(sc);
sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
IPL_NET, lemac_intr, sc);
}
struct cfattach lc_isa_ca = {
sizeof(lemac_softc_t), lemac_isa_probe, lemac_isa_attach
};