292 lines
8.8 KiB
C
292 lines
8.8 KiB
C
/* $NetBSD: if_le_isapnp.c,v 1.17 1999/03/22 10:00:11 mycroft Exp $ */
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/*-
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* Copyright (c) 1997 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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/*
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* Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org> and
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* Matthias Drochner. All rights reserved.
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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 Jonathan Stone.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opt_inet.h"
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#include "opt_ns.h"
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#include "bpfilter.h"
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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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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/in_var.h>
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#include <netinet/ip.h>
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#endif
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#ifdef NS
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#include <netns/ns.h>
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#include <netns/ns_if.h>
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#endif
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#if NBPFILTER > 0
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#include <net/bpf.h>
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#include <net/bpfdesc.h>
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#endif
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#include <machine/cpu.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isadmavar.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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#include <dev/ic/lancereg.h>
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#include <dev/ic/lancevar.h>
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#include <dev/ic/am7990reg.h>
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#include <dev/ic/am7990var.h>
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#include <dev/isapnp/if_levar.h>
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int le_isapnp_match __P((struct device *, struct cfdata *, void *));
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void le_isapnp_attach __P((struct device *, struct device *, void *));
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struct cfattach le_isapnp_ca = {
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sizeof(struct le_softc), le_isapnp_match, le_isapnp_attach
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};
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int le_isapnp_intredge __P((void *));
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static void le_isapnp_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
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static u_int16_t le_isapnp_rdcsr __P((struct lance_softc *, u_int16_t));
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#define LE_ISAPNP_MEMSIZE 16384
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static void
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le_isapnp_wrcsr(sc, port, val)
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struct lance_softc *sc;
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u_int16_t port, val;
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{
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struct le_softc *lesc = (struct le_softc *)sc;
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bus_space_tag_t iot = lesc->sc_iot;
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bus_space_handle_t ioh = lesc->sc_ioh;
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bus_space_write_2(iot, ioh, lesc->sc_rap, port);
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bus_space_write_2(iot, ioh, lesc->sc_rdp, val);
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}
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static u_int16_t
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le_isapnp_rdcsr(sc, port)
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struct lance_softc *sc;
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u_int16_t port;
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{
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struct le_softc *lesc = (struct le_softc *)sc;
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bus_space_tag_t iot = lesc->sc_iot;
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bus_space_handle_t ioh = lesc->sc_ioh;
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u_int16_t val;
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bus_space_write_2(iot, ioh, lesc->sc_rap, port);
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val = bus_space_read_2(iot, ioh, lesc->sc_rdp);
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return (val);
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}
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int
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le_isapnp_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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int pri, variant;
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pri = isapnp_devmatch(aux, &isapnp_le_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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void
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le_isapnp_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 le_softc *lesc = (void *)self;
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struct lance_softc *sc = &lesc->sc_am7990.lsc;
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struct isapnp_attach_args *ipa = aux;
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bus_space_tag_t iot;
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bus_space_handle_t ioh;
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bus_dma_tag_t dmat;
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bus_dma_segment_t seg;
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int i, rseg, error;
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if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
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printf("%s: error in region allocation\n",
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sc->sc_dev.dv_xname);
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return;
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}
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lesc->sc_iot = iot = ipa->ipa_iot;
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lesc->sc_ioh = ioh = ipa->ipa_io[0].h;
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lesc->sc_dmat = dmat = ipa->ipa_dmat;
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lesc->sc_rap = PCNET_RAP;
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lesc->sc_rdp = PCNET_RDP;
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/*
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* Extract the physical MAC address from the ROM.
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*/
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for (i = 0; i < sizeof(sc->sc_enaddr); i++)
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sc->sc_enaddr[i] = bus_space_read_1(iot, ioh, PCNET_SAPROM+i);
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/*
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* Allocate a DMA area for the card.
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*/
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if (bus_dmamem_alloc(dmat, LE_ISAPNP_MEMSIZE, NBPG, 0, &seg, 1,
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&rseg, BUS_DMA_NOWAIT)) {
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printf("%s: couldn't allocate memory for card\n",
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sc->sc_dev.dv_xname);
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return;
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}
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if (bus_dmamem_map(dmat, &seg, rseg, LE_ISAPNP_MEMSIZE,
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(caddr_t *)&sc->sc_mem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
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printf("%s: couldn't map memory for card\n",
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sc->sc_dev.dv_xname);
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return;
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}
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/*
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* Create and load the DMA map for the DMA area.
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*/
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if (bus_dmamap_create(dmat, LE_ISAPNP_MEMSIZE, 1,
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LE_ISAPNP_MEMSIZE, 0, BUS_DMA_NOWAIT, &lesc->sc_dmam)) {
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printf("%s: couldn't create DMA map\n",
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sc->sc_dev.dv_xname);
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bus_dmamem_free(dmat, &seg, rseg);
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return;
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}
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if (bus_dmamap_load(dmat, lesc->sc_dmam,
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sc->sc_mem, LE_ISAPNP_MEMSIZE, NULL, BUS_DMA_NOWAIT)) {
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printf("%s: coundn't load DMA map\n",
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sc->sc_dev.dv_xname);
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bus_dmamem_free(dmat, &seg, rseg);
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return;
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}
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sc->sc_conf3 = 0;
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sc->sc_addr = lesc->sc_dmam->dm_segs[0].ds_addr;
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sc->sc_memsize = LE_ISAPNP_MEMSIZE;
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sc->sc_copytodesc = lance_copytobuf_contig;
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sc->sc_copyfromdesc = lance_copyfrombuf_contig;
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sc->sc_copytobuf = lance_copytobuf_contig;
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sc->sc_copyfrombuf = lance_copyfrombuf_contig;
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sc->sc_zerobuf = lance_zerobuf_contig;
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sc->sc_rdcsr = le_isapnp_rdcsr;
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sc->sc_wrcsr = le_isapnp_wrcsr;
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sc->sc_hwinit = NULL;
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if (ipa->ipa_ndrq > 0) {
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if ((error = isa_dmacascade(ipa->ipa_ic,
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ipa->ipa_drq[0].num)) != 0) {
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printf("%s: unable to cascade DRQ, error = %d\n",
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sc->sc_dev.dv_xname, error);
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return;
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}
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}
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lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
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ipa->ipa_irq[0].type, IPL_NET, le_isapnp_intredge, sc);
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printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident,
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ipa->ipa_devclass);
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am7990_config(&lesc->sc_am7990);
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}
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/*
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* Controller interrupt.
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*/
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int
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le_isapnp_intredge(arg)
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void *arg;
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{
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if (am7990_intr(arg) == 0)
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return (0);
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for (;;)
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if (am7990_intr(arg) == 0)
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return (1);
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}
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