171 lines
4.7 KiB
C
171 lines
4.7 KiB
C
/* $NetBSD: if_ne_isapnp.c,v 1.27 2010/03/03 13:39:57 tsutsui Exp $ */
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/*-
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center and Matt Thomas of the 3am Software Foundry.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_ne_isapnp.c,v 1.27 2010/03/03 13:39:57 tsutsui Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/syslog.h>
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#include <sys/select.h>
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#include <sys/device.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <sys/intr.h>
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#include <sys/bus.h>
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#include <dev/ic/dp8390reg.h>
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#include <dev/ic/dp8390var.h>
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#include <dev/ic/ne2000reg.h>
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#include <dev/ic/ne2000var.h>
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#include <dev/isa/isavar.h>
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#include <dev/isapnp/isapnpreg.h>
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#include <dev/isapnp/isapnpvar.h>
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#include <dev/isapnp/isapnpdevs.h>
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static int ne_isapnp_match(device_t, cfdata_t , void *);
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static void ne_isapnp_attach(device_t, device_t, void *);
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struct ne_isapnp_softc {
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struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
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/* ISA-specific goo. */
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void *sc_ih; /* interrupt cookie */
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};
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CFATTACH_DECL_NEW(ne_isapnp, sizeof(struct ne_isapnp_softc),
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ne_isapnp_match, ne_isapnp_attach, NULL, NULL);
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static int
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ne_isapnp_match(device_t parent, cfdata_t match, void *aux)
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{
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int pri, variant;
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pri = isapnp_devmatch(aux, &isapnp_ne_devinfo, &variant);
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if (pri && variant > 0)
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pri = 0;
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return (pri);
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}
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static void
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ne_isapnp_attach(device_t parent, device_t self, void *aux)
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{
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struct ne_isapnp_softc * const isc = device_private(self);
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struct ne2000_softc * const nsc = &isc->sc_ne2000;
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struct dp8390_softc * const dsc = &nsc->sc_dp8390;
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struct isapnp_attach_args * const ipa = aux;
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bus_space_tag_t nict;
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bus_space_handle_t nich;
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bus_space_tag_t asict;
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bus_space_handle_t asich;
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const char *typestr;
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int netype;
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aprint_normal("\n");
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dsc->sc_dev = self;
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if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
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aprint_error_dev(self, "can't configure isapnp resources\n");
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return;
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}
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nict = ipa->ipa_iot;
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nich = ipa->ipa_io[0].h;
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asict = nict;
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if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
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NE2000_ASIC_NPORTS, &asich)) {
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aprint_error_dev(self, "can't subregion i/o space\n");
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return;
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}
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dsc->sc_regt = nict;
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dsc->sc_regh = nich;
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nsc->sc_asict = asict;
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nsc->sc_asich = asich;
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/*
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* Detect it again, so we can print some information about the
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* interface.
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*/
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netype = ne2000_detect(nict, nich, asict, asich);
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switch (netype) {
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case NE2000_TYPE_NE1000:
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typestr = "NE1000";
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break;
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case NE2000_TYPE_NE2000:
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typestr = "NE2000";
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break;
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case NE2000_TYPE_RTL8019:
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typestr = "NE2000 (RTL8019)";
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break;
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default:
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aprint_error_dev(self, "where did the card go?!\n");
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return;
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}
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aprint_normal_dev(self, "%s Ethernet\n", typestr);
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/* This interface is always enabled. */
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dsc->sc_enabled = 1;
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/*
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* Do generic NE2000 attach. This will read the station address
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* from the EEPROM.
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*/
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ne2000_attach(nsc, NULL);
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/* Establish the interrupt handler. */
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isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
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ipa->ipa_irq[0].type, IPL_NET, dp8390_intr, dsc);
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if (isc->sc_ih == NULL)
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aprint_error_dev(self,
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"couldn't establish interrupt handler\n");
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}
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