232 lines
6.4 KiB
C
232 lines
6.4 KiB
C
/* $NetBSD: if_ne_isa.c,v 1.20 2005/02/27 00:27:17 perry 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.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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_isa.c,v 1.20 2005/02/27 00:27:17 perry 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 <machine/intr.h>
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#include <machine/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/ic/rtl80x9reg.h>
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#include <dev/ic/rtl80x9var.h>
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#include <dev/isa/isavar.h>
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int ne_isa_match(struct device *, struct cfdata *, void *);
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void ne_isa_attach(struct device *, struct device *, void *);
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struct ne_isa_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(ne_isa, sizeof(struct ne_isa_softc),
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ne_isa_match, ne_isa_attach, NULL, NULL);
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int
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ne_isa_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct isa_attach_args *ia = aux;
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bus_space_tag_t nict = ia->ia_iot;
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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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int rv = 0;
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if (ia->ia_nio < 1)
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return (0);
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if (ia->ia_nirq < 1)
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return (0);
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if (ISA_DIRECT_CONFIG(ia))
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return (0);
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/* Disallow wildcarded values. */
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if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT)
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return (0);
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if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ)
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return (0);
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/* Make sure this is a valid NE[12]000 i/o address. */
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if ((ia->ia_io[0].ir_addr & 0x1f) != 0)
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return (0);
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/* Map i/o space. */
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if (bus_space_map(nict, ia->ia_io[0].ir_addr, NE2000_NPORTS, 0, &nich))
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return (0);
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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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goto out;
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/* Look for an NE2000-compatible card. */
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rv = ne2000_detect(nict, nich, asict, asich);
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if (rv) {
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ia->ia_nio = 1;
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ia->ia_io[0].ir_size = NE2000_NPORTS;
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ia->ia_nirq = 1;
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ia->ia_niomem = 0;
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ia->ia_ndrq = 0;
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}
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out:
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bus_space_unmap(nict, nich, NE2000_NPORTS);
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return (rv);
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}
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void
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ne_isa_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct ne_isa_softc *isc = (struct ne_isa_softc *)self;
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struct ne2000_softc *nsc = &isc->sc_ne2000;
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struct dp8390_softc *dsc = &nsc->sc_dp8390;
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struct isa_attach_args *ia = aux;
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bus_space_tag_t nict = ia->ia_iot;
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bus_space_handle_t nich;
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bus_space_tag_t asict = nict;
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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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printf("\n");
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/* Map i/o space. */
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if (bus_space_map(nict, ia->ia_io[0].ir_addr, NE2000_NPORTS,
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0, &nich)) {
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printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
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return;
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}
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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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printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
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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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/*
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* Check for a Realtek 8019.
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*/
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bus_space_write_1(nict, nich, ED_P0_CR,
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ED_CR_PAGE_0 | ED_CR_STP);
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if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
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RTL0_8019ID0 &&
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bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
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RTL0_8019ID1) {
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typestr = "NE2000 (RTL8019)";
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dsc->sc_mediachange = rtl80x9_mediachange;
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dsc->sc_mediastatus = rtl80x9_mediastatus;
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dsc->init_card = rtl80x9_init_card;
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dsc->sc_media_init = rtl80x9_media_init;
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}
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break;
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default:
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printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname);
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return;
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}
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printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, 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(ia->ia_ic, ia->ia_irq[0].ir_irq,
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IST_EDGE, IPL_NET, dp8390_intr, dsc);
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if (isc->sc_ih == NULL)
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printf("%s: couldn't establish interrupt handler\n",
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dsc->sc_dev.dv_xname);
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}
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