NetBSD/sys/dev/tc/if_le_tc.c

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/* $NetBSD: if_le_tc.c,v 1.7 1997/07/22 03:44:31 jonathan Exp $ */
/*
* Copyright (c) 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*
* LANCE on TurboChannel.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_inarp.h>
#endif
#include <dev/ic/am7990reg.h>
#include <dev/ic/am7990var.h>
#include <dev/tc/if_levar.h>
#include <dev/tc/tcvar.h>
int le_tc_match __P((struct device *, struct cfdata *, void *));
void le_tc_attach __P((struct device *, struct device *, void *));
struct cfattach le_tc_ca = {
sizeof(struct le_softc), le_tc_match, le_tc_attach
};
#define LE_OFFSET_RAM 0x0
#define LE_OFFSET_LANCE 0x100000
#define LE_OFFSET_ROM 0x1c0000
int
le_tc_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct tc_attach_args *d = aux;
if (strncmp("PMAD-AA ", d->ta_modname, TC_ROM_LLEN) &&
strncmp("PMAD-BA ", d->ta_modname, TC_ROM_LLEN))
return (0);
return (1);
}
void
le_tc_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
register struct le_softc *lesc = (void *)self;
register struct am7990_softc *sc = &lesc->sc_am7990;
struct tc_attach_args *d = aux;
/*
* It's on the turbochannel proper, or a kn02
* baseboard implementation of a TC option card.
*/
lesc->sc_r1 = (struct lereg1 *)(d->ta_addr + LE_OFFSET_LANCE);
sc->sc_mem = (void *)(d->ta_addr + LE_OFFSET_RAM);
sc->sc_copytodesc = am7990_copytobuf_contig;
sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
sc->sc_copytobuf = am7990_copytobuf_contig;
sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
sc->sc_zerobuf = am7990_zerobuf_contig;
/*
* TC lance boards have onboard SRAM buffers. DMA
* between the onbard RAM and main memory is not possible,
* so DMA setup is not required.
*/
dec_le_common_attach(sc, (u_char *)(d->ta_addr + LE_OFFSET_ROM + 2));
tc_intr_establish(parent, d->ta_cookie, TC_IPL_NET, am7990_intr, sc);
}