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if_le_ioasic.c revision 1.1 
      1 /*	$NetBSD: if_le_ioasic.c,v 1.1 1996/04/18 00:50:13 cgd Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 /*
     31  * LANCE on DEC IOCTL ASIC.
     32  */
     33 
     34 #include <sys/param.h>
     35 #include <sys/systm.h>
     36 #include <sys/mbuf.h>
     37 #include <sys/syslog.h>
     38 #include <sys/socket.h>
     39 #include <sys/device.h>
     40 
     41 #include <net/if.h>
     42 
     43 #ifdef INET
     44 #include <netinet/in.h>
     45 #include <netinet/if_ether.h>
     46 #endif
     47 
     48 #include <dev/tc/if_levar.h>
     49 #include <dev/ic/am7990reg.h>
     50 #define LE_NEED_BUF_GAP2
     51 #define LE_NEED_BUF_GAP16
     52 #include <dev/ic/am7990var.h>
     53 
     54 #include <dev/tc/tcvar.h>
     55 #include <dev/tc/ioasicvar.h>
     56 
     57 extern caddr_t le_iomem;
     58 
     59 int	le_ioasic_match __P((struct device *, void *, void *));
     60 void	le_ioasic_attach __P((struct device *, struct device *, void *));
     61 
     62 struct cfattach le_ioasic_ca = {
     63 	sizeof(struct le_softc), le_ioasic_match, le_ioasic_attach
     64 };
     65 
     66 int
     67 le_ioasic_match(parent, match, aux)
     68 	struct device *parent;
     69 	void *match, *aux;
     70 {
     71 	struct ioasicdev_attach_args *d = aux;
     72 
     73 	if (!ioasic_submatch(match, aux))
     74 		return (0);
     75 	if (strncmp("lance", d->iada_modname, TC_ROM_LLEN))
     76 		return (0);
     77 
     78 	return (1);
     79 }
     80 
     81 void
     82 le_ioasic_attach(parent, self, aux)
     83 	struct device *parent, *self;
     84 	void *aux;
     85 {
     86 	struct ioasicdev_attach_args *d = aux;
     87 	register struct le_softc *sc = (void *)self;
     88 
     89 	sc->sc_r1 = (struct lereg1 *)
     90 		TC_DENSE_TO_SPARSE(TC_PHYS_TO_UNCACHED(d->iada_addr));
     91 	sc->sc_mem = (void *)TC_PHYS_TO_UNCACHED(le_iomem);
     92 
     93 	sc->sc_copytodesc = am7990_copytobuf_gap2;
     94 	sc->sc_copyfromdesc = am7990_copyfrombuf_gap2;
     95 	sc->sc_copytobuf = am7990_copytobuf_gap16;
     96 	sc->sc_copyfrombuf = am7990_copyfrombuf_gap16;
     97 	sc->sc_zerobuf = am7990_zerobuf_gap16;
     98 
     99 	ioasic_lance_dma_setup(le_iomem);	/* XXX more thought */
    100 
    101 	dec_le_common_attach(sc, ioasic_lance_ether_address());
    102 
    103 	ioasic_intr_establish(parent, d->iada_cookie, TC_IPL_NET, leintr, sc);
    104 }
    105