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if_le_isa.c revision 1.29.10.1
      1  1.29.10.1     lukem /*	$NetBSD: if_le_isa.c,v 1.29.10.1 2002/06/29 08:33:38 lukem Exp $	*/
      2       1.11   thorpej 
      3       1.11   thorpej /*-
      4       1.23   mycroft  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
      5       1.11   thorpej  * All rights reserved.
      6       1.11   thorpej  *
      7       1.11   thorpej  * This code is derived from software contributed to The NetBSD Foundation
      8       1.23   mycroft  * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
      9       1.23   mycroft  * Simulation Facility, NASA Ames Research Center.
     10       1.11   thorpej  *
     11       1.11   thorpej  * Redistribution and use in source and binary forms, with or without
     12       1.11   thorpej  * modification, are permitted provided that the following conditions
     13       1.11   thorpej  * are met:
     14       1.11   thorpej  * 1. Redistributions of source code must retain the above copyright
     15       1.11   thorpej  *    notice, this list of conditions and the following disclaimer.
     16       1.11   thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     17       1.11   thorpej  *    notice, this list of conditions and the following disclaimer in the
     18       1.11   thorpej  *    documentation and/or other materials provided with the distribution.
     19       1.11   thorpej  * 3. All advertising materials mentioning features or use of this software
     20       1.11   thorpej  *    must display the following acknowledgement:
     21       1.11   thorpej  *	This product includes software developed by the NetBSD
     22       1.11   thorpej  *	Foundation, Inc. and its contributors.
     23       1.11   thorpej  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24       1.11   thorpej  *    contributors may be used to endorse or promote products derived
     25       1.11   thorpej  *    from this software without specific prior written permission.
     26       1.11   thorpej  *
     27       1.11   thorpej  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28       1.11   thorpej  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29       1.11   thorpej  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30       1.11   thorpej  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31       1.11   thorpej  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32       1.11   thorpej  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33       1.11   thorpej  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34       1.11   thorpej  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35       1.11   thorpej  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36       1.11   thorpej  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37       1.11   thorpej  * POSSIBILITY OF SUCH DAMAGE.
     38       1.11   thorpej  */
     39        1.1   thorpej 
     40        1.1   thorpej /*-
     41        1.1   thorpej  * Copyright (c) 1992, 1993
     42        1.1   thorpej  *	The Regents of the University of California.  All rights reserved.
     43        1.1   thorpej  *
     44        1.1   thorpej  * This code is derived from software contributed to Berkeley by
     45        1.1   thorpej  * Ralph Campbell and Rick Macklem.
     46        1.1   thorpej  *
     47        1.1   thorpej  * Redistribution and use in source and binary forms, with or without
     48        1.1   thorpej  * modification, are permitted provided that the following conditions
     49        1.1   thorpej  * are met:
     50        1.1   thorpej  * 1. Redistributions of source code must retain the above copyright
     51        1.1   thorpej  *    notice, this list of conditions and the following disclaimer.
     52        1.1   thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     53        1.1   thorpej  *    notice, this list of conditions and the following disclaimer in the
     54        1.1   thorpej  *    documentation and/or other materials provided with the distribution.
     55        1.1   thorpej  * 3. All advertising materials mentioning features or use of this software
     56        1.1   thorpej  *    must display the following acknowledgement:
     57        1.1   thorpej  *	This product includes software developed by the University of
     58        1.1   thorpej  *	California, Berkeley and its contributors.
     59        1.1   thorpej  * 4. Neither the name of the University nor the names of its contributors
     60        1.1   thorpej  *    may be used to endorse or promote products derived from this software
     61        1.1   thorpej  *    without specific prior written permission.
     62        1.1   thorpej  *
     63        1.1   thorpej  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     64        1.1   thorpej  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     65        1.1   thorpej  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     66        1.1   thorpej  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     67        1.1   thorpej  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     68        1.1   thorpej  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     69        1.1   thorpej  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     70        1.1   thorpej  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     71        1.1   thorpej  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     72        1.1   thorpej  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     73        1.1   thorpej  * SUCH DAMAGE.
     74        1.1   thorpej  *
     75        1.1   thorpej  *	@(#)if_le.c	8.2 (Berkeley) 11/16/93
     76        1.1   thorpej  */
     77       1.28     lukem 
     78       1.28     lukem #include <sys/cdefs.h>
     79  1.29.10.1     lukem __KERNEL_RCSID(0, "$NetBSD: if_le_isa.c,v 1.29.10.1 2002/06/29 08:33:38 lukem Exp $");
     80        1.1   thorpej 
     81        1.1   thorpej #include <sys/param.h>
     82        1.1   thorpej #include <sys/systm.h>
     83        1.1   thorpej #include <sys/mbuf.h>
     84        1.1   thorpej #include <sys/syslog.h>
     85        1.1   thorpej #include <sys/socket.h>
     86        1.1   thorpej #include <sys/device.h>
     87        1.1   thorpej 
     88       1.25   thorpej #include <uvm/uvm_extern.h>
     89       1.25   thorpej 
     90        1.1   thorpej #include <net/if.h>
     91        1.9        is #include <net/if_ether.h>
     92       1.10   thorpej #include <net/if_media.h>
     93        1.1   thorpej 
     94        1.1   thorpej #include <machine/cpu.h>
     95        1.2   mycroft #include <machine/intr.h>
     96        1.6   thorpej #include <machine/bus.h>
     97        1.1   thorpej 
     98        1.1   thorpej #include <dev/isa/isareg.h>
     99        1.1   thorpej #include <dev/isa/isavar.h>
    100        1.1   thorpej #include <dev/isa/isadmavar.h>
    101        1.1   thorpej 
    102       1.22  drochner #include <dev/ic/lancereg.h>
    103       1.22  drochner #include <dev/ic/lancevar.h>
    104        1.1   thorpej #include <dev/ic/am7990reg.h>
    105        1.1   thorpej #include <dev/ic/am7990var.h>
    106        1.1   thorpej 
    107        1.1   thorpej #include <dev/isa/if_levar.h>
    108        1.1   thorpej 
    109       1.17  drochner int ne2100_isa_probe __P((struct device *, struct cfdata *, void *));
    110       1.17  drochner int bicc_isa_probe __P((struct device *, struct cfdata *, void *));
    111       1.17  drochner void le_dummyattach __P((struct device *, struct device *, void *));
    112       1.17  drochner int le_dummyprobe __P((struct device *, struct cfdata *, void *));
    113       1.17  drochner void le_ne2100_attach __P((struct device *, struct device *, void *));
    114       1.17  drochner void le_bicc_attach __P((struct device *, struct device *, void *));
    115       1.17  drochner 
    116       1.17  drochner struct cfattach nele_ca = {
    117       1.17  drochner 	sizeof(struct device), ne2100_isa_probe, le_dummyattach
    118       1.17  drochner }, le_nele_ca = {
    119       1.17  drochner 	sizeof(struct le_softc), le_dummyprobe, le_ne2100_attach
    120       1.17  drochner }, bicc_ca = {
    121       1.17  drochner 	sizeof(struct device), bicc_isa_probe, le_dummyattach
    122       1.17  drochner }, le_bicc_ca = {
    123       1.17  drochner 	sizeof(struct le_softc), le_dummyprobe, le_bicc_attach
    124       1.17  drochner };
    125        1.1   thorpej 
    126       1.17  drochner struct le_isa_params {
    127       1.17  drochner 	char *name;
    128       1.17  drochner 	int iosize, rap, rdp;
    129       1.17  drochner 	int macstart, macstride;
    130       1.17  drochner } ne2100_params = {
    131       1.17  drochner 	"NE2100",
    132       1.17  drochner 	24, NE2100_RAP, NE2100_RDP,
    133       1.17  drochner 	0, 1
    134       1.17  drochner }, bicc_params = {
    135       1.17  drochner 	"BICC Isolan",
    136       1.17  drochner 	16, BICC_RAP, BICC_RDP,
    137       1.17  drochner 	0, 2
    138        1.1   thorpej };
    139        1.1   thorpej 
    140       1.17  drochner int lance_isa_probe __P((struct isa_attach_args *, struct le_isa_params *));
    141       1.17  drochner void le_isa_attach __P((struct device *, struct le_softc *,
    142       1.17  drochner 			struct isa_attach_args *, struct le_isa_params *));
    143        1.1   thorpej 
    144        1.1   thorpej int le_isa_intredge __P((void *));
    145        1.1   thorpej 
    146       1.26       mrg #if defined(_KERNEL_OPT)
    147       1.22  drochner #include "opt_ddb.h"
    148       1.22  drochner #endif
    149       1.22  drochner 
    150       1.22  drochner #ifdef DDB
    151       1.22  drochner #define	integrate
    152       1.22  drochner #define hide
    153       1.22  drochner #else
    154       1.22  drochner #define	integrate	static __inline
    155       1.22  drochner #define hide		static
    156       1.22  drochner #endif
    157       1.22  drochner 
    158       1.22  drochner hide void le_isa_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
    159       1.22  drochner hide u_int16_t le_isa_rdcsr __P((struct lance_softc *, u_int16_t));
    160        1.1   thorpej 
    161       1.11   thorpej #define	LE_ISA_MEMSIZE	16384
    162       1.11   thorpej 
    163        1.1   thorpej hide void
    164        1.1   thorpej le_isa_wrcsr(sc, port, val)
    165       1.22  drochner 	struct lance_softc *sc;
    166        1.1   thorpej 	u_int16_t port, val;
    167        1.1   thorpej {
    168        1.6   thorpej 	struct le_softc *lesc = (struct le_softc *)sc;
    169        1.6   thorpej 	bus_space_tag_t iot = lesc->sc_iot;
    170        1.6   thorpej 	bus_space_handle_t ioh = lesc->sc_ioh;
    171        1.1   thorpej 
    172        1.6   thorpej 	bus_space_write_2(iot, ioh, lesc->sc_rap, port);
    173        1.6   thorpej 	bus_space_write_2(iot, ioh, lesc->sc_rdp, val);
    174        1.1   thorpej }
    175        1.1   thorpej 
    176        1.1   thorpej hide u_int16_t
    177        1.1   thorpej le_isa_rdcsr(sc, port)
    178       1.22  drochner 	struct lance_softc *sc;
    179        1.1   thorpej 	u_int16_t port;
    180        1.1   thorpej {
    181        1.6   thorpej 	struct le_softc *lesc = (struct le_softc *)sc;
    182        1.6   thorpej 	bus_space_tag_t iot = lesc->sc_iot;
    183        1.6   thorpej 	bus_space_handle_t ioh = lesc->sc_ioh;
    184        1.1   thorpej 	u_int16_t val;
    185        1.1   thorpej 
    186        1.6   thorpej 	bus_space_write_2(iot, ioh, lesc->sc_rap, port);
    187        1.6   thorpej 	val = bus_space_read_2(iot, ioh, lesc->sc_rdp);
    188        1.1   thorpej 	return (val);
    189        1.1   thorpej }
    190        1.1   thorpej 
    191        1.1   thorpej int
    192       1.17  drochner ne2100_isa_probe(parent, match, aux)
    193        1.1   thorpej 	struct device *parent;
    194       1.17  drochner 	struct cfdata *match;
    195       1.17  drochner 	void *aux;
    196        1.1   thorpej {
    197       1.17  drochner 	return (lance_isa_probe(aux, &ne2100_params));
    198       1.17  drochner }
    199       1.14   thorpej 
    200       1.17  drochner int
    201       1.17  drochner bicc_isa_probe(parent, match, aux)
    202       1.17  drochner 	struct device *parent;
    203       1.17  drochner 	struct cfdata *match;
    204       1.17  drochner 	void *aux;
    205       1.17  drochner {
    206       1.17  drochner 	return (lance_isa_probe(aux, &bicc_params));
    207        1.1   thorpej }
    208        1.1   thorpej 
    209       1.17  drochner /*
    210       1.17  drochner  * Determine which chip is present on the card.
    211       1.17  drochner  */
    212        1.1   thorpej int
    213       1.17  drochner lance_isa_probe(ia, p)
    214        1.1   thorpej 	struct isa_attach_args *ia;
    215       1.17  drochner 	struct le_isa_params *p;
    216        1.1   thorpej {
    217        1.6   thorpej 	bus_space_tag_t iot = ia->ia_iot;
    218        1.6   thorpej 	bus_space_handle_t ioh;
    219       1.17  drochner 	int rap, rdp;
    220       1.17  drochner 	int rv = 0;
    221       1.17  drochner 
    222       1.29   thorpej 	if (ia->ia_nio < 1)
    223       1.29   thorpej 		return (0);
    224       1.29   thorpej 	if (ia->ia_nirq < 1)
    225       1.29   thorpej 		return (0);
    226       1.29   thorpej 	if (ia->ia_ndrq < 1)
    227       1.29   thorpej 		return (0);
    228       1.29   thorpej 
    229       1.29   thorpej 	if (ISA_DIRECT_CONFIG(ia))
    230       1.29   thorpej 		return (0);
    231       1.29   thorpej 
    232       1.17  drochner 	/* Disallow wildcarded i/o address. */
    233       1.29   thorpej 	if (ia->ia_io[0].ir_addr == ISACF_PORT_DEFAULT)
    234       1.29   thorpej 		return (0);
    235       1.29   thorpej 	if (ia->ia_irq[0].ir_irq == ISACF_IRQ_DEFAULT)
    236       1.29   thorpej 		return (0);
    237       1.29   thorpej 	if (ia->ia_drq[0].ir_drq == ISACF_DRQ_DEFAULT)
    238       1.17  drochner 		return (0);
    239        1.1   thorpej 
    240        1.6   thorpej 	/* Map i/o space. */
    241       1.29   thorpej 	if (bus_space_map(iot, ia->ia_io[0].ir_addr, p->iosize, 0, &ioh))
    242       1.17  drochner 		return (0);
    243        1.6   thorpej 
    244       1.17  drochner 	rap = p->rap;
    245       1.17  drochner 	rdp = p->rdp;
    246        1.6   thorpej 
    247       1.17  drochner 	/* Stop the LANCE chip and put it in a known state. */
    248       1.17  drochner 	bus_space_write_2(iot, ioh, rap, LE_CSR0);
    249       1.17  drochner 	bus_space_write_2(iot, ioh, rdp, LE_C0_STOP);
    250       1.17  drochner 	delay(100);
    251       1.12   mycroft 
    252       1.17  drochner 	bus_space_write_2(iot, ioh, rap, LE_CSR0);
    253       1.17  drochner 	if (bus_space_read_2(iot, ioh, rdp) != LE_C0_STOP)
    254        1.6   thorpej 		goto bad;
    255        1.6   thorpej 
    256       1.17  drochner 	bus_space_write_2(iot, ioh, rap, LE_CSR3);
    257       1.17  drochner 	bus_space_write_2(iot, ioh, rdp, 0);
    258        1.6   thorpej 
    259       1.29   thorpej 	ia->ia_nio = 1;
    260       1.29   thorpej 	ia->ia_io[0].ir_size = p->iosize;
    261       1.29   thorpej 
    262       1.29   thorpej 	ia->ia_nirq = 1;
    263       1.29   thorpej 	ia->ia_ndrq = 1;
    264       1.29   thorpej 
    265       1.29   thorpej 	ia->ia_niomem = 0;
    266       1.29   thorpej 
    267       1.17  drochner 	rv = 1;
    268        1.1   thorpej 
    269       1.17  drochner bad:
    270       1.17  drochner 	bus_space_unmap(iot, ioh, p->iosize);
    271       1.17  drochner 	return (rv);
    272       1.17  drochner }
    273        1.1   thorpej 
    274       1.17  drochner void
    275       1.17  drochner le_dummyattach(parent, self, aux)
    276       1.17  drochner 	struct device *parent, *self;
    277       1.17  drochner 	void *aux;
    278       1.17  drochner {
    279       1.17  drochner 	printf("\n");
    280        1.1   thorpej 
    281       1.17  drochner 	config_found(self, aux, 0);
    282       1.17  drochner }
    283        1.1   thorpej 
    284       1.17  drochner int
    285       1.17  drochner le_dummyprobe(parent, match, aux)
    286       1.17  drochner 	struct device *parent;
    287       1.17  drochner 	struct cfdata *match;
    288       1.17  drochner 	void *aux;
    289       1.17  drochner {
    290       1.17  drochner 	return (1);
    291       1.17  drochner }
    292        1.1   thorpej 
    293       1.17  drochner void
    294       1.17  drochner le_ne2100_attach(parent, self, aux)
    295       1.17  drochner 	struct device *parent, *self;
    296       1.17  drochner 	void *aux;
    297       1.17  drochner {
    298       1.17  drochner 	le_isa_attach(parent, (void *)self, aux, &ne2100_params);
    299       1.17  drochner }
    300        1.1   thorpej 
    301       1.17  drochner void
    302       1.17  drochner le_bicc_attach(parent, self, aux)
    303       1.17  drochner 	struct device *parent, *self;
    304       1.17  drochner 	void *aux;
    305       1.17  drochner {
    306       1.17  drochner 	le_isa_attach(parent, (void *)self, aux, &bicc_params);
    307        1.1   thorpej }
    308        1.1   thorpej 
    309       1.17  drochner void
    310       1.17  drochner le_isa_attach(parent, lesc, ia, p)
    311       1.17  drochner 	struct device *parent;
    312        1.1   thorpej 	struct le_softc *lesc;
    313        1.1   thorpej 	struct isa_attach_args *ia;
    314       1.17  drochner 	struct le_isa_params *p;
    315        1.1   thorpej {
    316       1.22  drochner 	struct lance_softc *sc = &lesc->sc_am7990.lsc;
    317        1.6   thorpej 	bus_space_tag_t iot = ia->ia_iot;
    318        1.6   thorpej 	bus_space_handle_t ioh;
    319       1.18  drochner 	bus_dma_tag_t dmat = ia->ia_dmat;
    320       1.17  drochner 	bus_dma_segment_t seg;
    321       1.20   thorpej 	int i, rseg, error;
    322        1.1   thorpej 
    323       1.17  drochner 	printf(": %s Ethernet\n", p->name);
    324        1.6   thorpej 
    325  1.29.10.1     lukem 	if (bus_space_map(iot, ia->ia_io[0].ir_addr, p->iosize, 0, &ioh))
    326       1.17  drochner 		panic("%s: can't map io", sc->sc_dev.dv_xname);
    327        1.1   thorpej 
    328        1.1   thorpej 	/*
    329        1.1   thorpej 	 * Extract the physical MAC address from the ROM.
    330        1.1   thorpej 	 */
    331        1.9        is 	for (i = 0; i < sizeof(sc->sc_enaddr); i++)
    332       1.17  drochner 		sc->sc_enaddr[i] =
    333       1.17  drochner 		    bus_space_read_1(iot, ioh, p->macstart + i * p->macstride);
    334        1.6   thorpej 
    335        1.7   thorpej 	lesc->sc_iot = iot;
    336        1.7   thorpej 	lesc->sc_ioh = ioh;
    337       1.18  drochner 	lesc->sc_dmat = dmat;
    338       1.17  drochner 	lesc->sc_rap = p->rap;
    339       1.17  drochner 	lesc->sc_rdp = p->rdp;
    340        1.1   thorpej 
    341        1.1   thorpej 	/*
    342       1.17  drochner 	 * Allocate a DMA area for the card.
    343        1.1   thorpej 	 */
    344       1.25   thorpej 	if (bus_dmamem_alloc(dmat, LE_ISA_MEMSIZE, PAGE_SIZE, 0, &seg, 1,
    345       1.17  drochner 			     &rseg, BUS_DMA_NOWAIT)) {
    346       1.17  drochner 		printf("%s: couldn't allocate memory for card\n",
    347       1.17  drochner 		       sc->sc_dev.dv_xname);
    348       1.17  drochner 		return;
    349       1.17  drochner 	}
    350       1.17  drochner 	if (bus_dmamem_map(dmat, &seg, rseg, LE_ISA_MEMSIZE,
    351       1.17  drochner 			   (caddr_t *)&sc->sc_mem,
    352       1.17  drochner 			   BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
    353       1.17  drochner 		printf("%s: couldn't map memory for card\n",
    354       1.17  drochner 		       sc->sc_dev.dv_xname);
    355       1.17  drochner 		return;
    356       1.17  drochner 	}
    357        1.6   thorpej 
    358        1.6   thorpej 	/*
    359       1.17  drochner 	 * Create and load the DMA map for the DMA area.
    360        1.6   thorpej 	 */
    361       1.17  drochner 	if (bus_dmamap_create(dmat, LE_ISA_MEMSIZE, 1,
    362       1.17  drochner 			LE_ISA_MEMSIZE, 0, BUS_DMA_NOWAIT, &lesc->sc_dmam)) {
    363       1.17  drochner 		printf("%s: couldn't create DMA map\n",
    364       1.17  drochner 		       sc->sc_dev.dv_xname);
    365       1.17  drochner 		bus_dmamem_free(dmat, &seg, rseg);
    366       1.17  drochner 		return;
    367       1.17  drochner 	}
    368       1.17  drochner 	if (bus_dmamap_load(dmat, lesc->sc_dmam,
    369       1.17  drochner 			sc->sc_mem, LE_ISA_MEMSIZE, NULL, BUS_DMA_NOWAIT)) {
    370       1.17  drochner 		printf("%s: coundn't load DMA map\n",
    371       1.17  drochner 		       sc->sc_dev.dv_xname);
    372       1.17  drochner 		bus_dmamem_free(dmat, &seg, rseg);
    373       1.17  drochner 		return;
    374        1.1   thorpej 	}
    375        1.1   thorpej 
    376       1.17  drochner 	sc->sc_conf3 = 0;
    377       1.17  drochner 	sc->sc_addr = lesc->sc_dmam->dm_segs[0].ds_addr;
    378       1.17  drochner 	sc->sc_memsize = LE_ISA_MEMSIZE;
    379       1.17  drochner 
    380       1.22  drochner 	sc->sc_copytodesc = lance_copytobuf_contig;
    381       1.22  drochner 	sc->sc_copyfromdesc = lance_copyfrombuf_contig;
    382       1.22  drochner 	sc->sc_copytobuf = lance_copytobuf_contig;
    383       1.22  drochner 	sc->sc_copyfrombuf = lance_copyfrombuf_contig;
    384       1.22  drochner 	sc->sc_zerobuf = lance_zerobuf_contig;
    385        1.1   thorpej 
    386        1.1   thorpej 	sc->sc_rdcsr = le_isa_rdcsr;
    387        1.1   thorpej 	sc->sc_wrcsr = le_isa_wrcsr;
    388        1.1   thorpej 	sc->sc_hwinit = NULL;
    389        1.1   thorpej 
    390       1.29   thorpej 	if ((error = isa_dmacascade(ia->ia_ic, ia->ia_drq[0].ir_drq)) != 0) {
    391       1.29   thorpej 		printf("%s: unable to cascade DRQ, error = %d\n",
    392       1.29   thorpej 		    sc->sc_dev.dv_xname, error);
    393       1.29   thorpej 		return;
    394       1.20   thorpej 	}
    395        1.1   thorpej 
    396       1.29   thorpej 	lesc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
    397       1.29   thorpej 	    IST_EDGE, IPL_NET, le_isa_intredge, sc);
    398       1.20   thorpej 
    399       1.20   thorpej 	printf("%s", sc->sc_dev.dv_xname);
    400       1.22  drochner 	am7990_config(&lesc->sc_am7990);
    401        1.1   thorpej }
    402        1.1   thorpej 
    403        1.1   thorpej /*
    404        1.1   thorpej  * Controller interrupt.
    405        1.1   thorpej  */
    406        1.3   thorpej int
    407        1.1   thorpej le_isa_intredge(arg)
    408        1.1   thorpej 	void *arg;
    409        1.1   thorpej {
    410        1.1   thorpej 
    411        1.1   thorpej 	if (am7990_intr(arg) == 0)
    412        1.1   thorpej 		return (0);
    413        1.1   thorpej 	for (;;)
    414        1.1   thorpej 		if (am7990_intr(arg) == 0)
    415        1.1   thorpej 			return (1);
    416        1.1   thorpej }
    417