241 lines
6.2 KiB
C
241 lines
6.2 KiB
C
/* $NetBSD: if_le_isapnp.c,v 1.4 1997/04/09 02:10:48 jonathan Exp $ */
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/*
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* Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org> and
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* Mattias 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 "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/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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#ifdef __alpha__ /* XXX */
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/* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */
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#undef vtophys
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#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)(va))
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#endif
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#ifdef __BROKEN_INDIRECT_CONFIG
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int le_isapnp_match __P((struct device *, void *, void *));
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#else
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int le_isapnp_match __P((struct device *, struct cfdata *, void *));
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#endif
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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 am7990_softc *, u_int16_t, u_int16_t));
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static u_int16_t le_isapnp_rdcsr __P((struct am7990_softc *, u_int16_t));
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/*
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* Names accepted by the match routine.
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*/
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static char *if_le_isapnp_devnames[] = {
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"TKN0010",
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0
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};
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static void
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le_isapnp_wrcsr(sc, port, val)
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struct am7990_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 am7990_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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#ifdef __BROKEN_INDIRECT_CONFIG
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void *match;
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#else
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struct cfdata *match;
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#endif
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void *aux;
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{
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struct isapnp_attach_args *ipa = aux;
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char **card_name = &if_le_isapnp_devnames[0];
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while (*card_name)
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if(!strcmp(ipa->ipa_devlogic, *card_name++))
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return(1);
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return (0);
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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 am7990_softc *sc = &lesc->sc_am7990;
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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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int i;
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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_rap = PCNET_RAP;
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lesc->sc_rdp = PCNET_RDP;
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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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/*
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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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/* XXX SHOULD GET DMA-CAPABLE BUFFER SPACE */
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sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT);
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if (sc->sc_mem == 0) {
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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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sc->sc_conf3 = 0;
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sc->sc_addr = kvtop(sc->sc_mem); /* XXX XXX XXX !! */
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sc->sc_memsize = 16384;
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sc->sc_copytodesc = am7990_copytobuf_contig;
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sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
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sc->sc_copytobuf = am7990_copytobuf_contig;
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sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
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sc->sc_zerobuf = am7990_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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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(sc);
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if (ipa->ipa_ndrq > 0)
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isa_dmacascade(ipa->ipa_drq[0].num);
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lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
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IST_EDGE, IPL_NET, le_isapnp_intredge, sc);
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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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