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if_ep_eisa.c revision 1.15
      1 /*	$NetBSD: if_ep_eisa.c,v 1.15 1998/06/08 07:04:46 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 Jonathan Stone <jonathan (at) NetBSD.org>
      5  * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org>
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *      This product includes software developed by Herb Peyerl.
     19  * 4. The name of Herb Peyerl may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #include "bpfilter.h"
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 #include <sys/mbuf.h>
     39 #include <sys/socket.h>
     40 #include <sys/ioctl.h>
     41 #include <sys/errno.h>
     42 #include <sys/syslog.h>
     43 #include <sys/select.h>
     44 #include <sys/device.h>
     45 
     46 #include <net/if.h>
     47 #include <net/if_dl.h>
     48 #include <net/if_ether.h>
     49 #include <net/if_media.h>
     50 
     51 #ifdef INET
     52 #include <netinet/in.h>
     53 #include <netinet/in_systm.h>
     54 #include <netinet/in_var.h>
     55 #include <netinet/ip.h>
     56 #include <netinet/if_inarp.h>
     57 #endif
     58 
     59 #ifdef NS
     60 #include <netns/ns.h>
     61 #include <netns/ns_if.h>
     62 #endif
     63 
     64 #if NBPFILTER > 0
     65 #include <net/bpf.h>
     66 #include <net/bpfdesc.h>
     67 #endif
     68 
     69 #include <machine/cpu.h>
     70 #include <machine/bus.h>
     71 #include <machine/intr.h>
     72 
     73 #include <dev/ic/elink3var.h>
     74 #include <dev/ic/elink3reg.h>
     75 
     76 #include <dev/eisa/eisareg.h>
     77 #include <dev/eisa/eisavar.h>
     78 #include <dev/eisa/eisadevs.h>
     79 
     80 int ep_eisa_match __P((struct device *, struct cfdata *, void *));
     81 void ep_eisa_attach __P((struct device *, struct device *, void *));
     82 
     83 struct cfattach ep_eisa_ca = {
     84 	sizeof(struct ep_softc), ep_eisa_match, ep_eisa_attach
     85 };
     86 
     87 /* XXX move these somewhere else */
     88 #define EISA_CONTROL	0x0c84
     89 #define EISA_RESET	0x04
     90 #define EISA_ERROR	0x02
     91 #define EISA_ENABLE	0x01
     92 
     93 int
     94 ep_eisa_match(parent, match, aux)
     95 	struct device *parent;
     96 	struct cfdata *match;
     97 	void *aux;
     98 {
     99 	struct eisa_attach_args *ea = aux;
    100 
    101 	/* must match one of our known ID strings */
    102 	if (strcmp(ea->ea_idstring, "TCM5091") &&
    103 	    strcmp(ea->ea_idstring, "TCM5092") &&
    104 	    strcmp(ea->ea_idstring, "TCM5093") &&
    105 	    strcmp(ea->ea_idstring, "TCM5920") &&
    106 	    strcmp(ea->ea_idstring, "TCM5970") &&
    107 	    strcmp(ea->ea_idstring, "TCM5971") &&
    108 	    strcmp(ea->ea_idstring, "TCM5972"))
    109 		return (0);
    110 
    111 	return (1);
    112 }
    113 
    114 void
    115 ep_eisa_attach(parent, self, aux)
    116 	struct device *parent, *self;
    117 	void *aux;
    118 {
    119 	struct ep_softc *sc = (void *)self;
    120 	struct eisa_attach_args *ea = aux;
    121 	bus_space_tag_t iot = ea->ea_iot;
    122 	bus_space_handle_t ioh;
    123 	u_int16_t k;
    124 	eisa_chipset_tag_t ec = ea->ea_ec;
    125 	eisa_intr_handle_t ih;
    126 	const char *model, *intrstr;
    127 	int chipset;
    128 	u_int irq;
    129 
    130 	/* Map i/o space. */
    131 	if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot),
    132 	    EISA_SLOT_SIZE, 0, &ioh))
    133 		panic("ep_eisa_attach: can't map i/o space");
    134 
    135 	sc->bustype = EP_BUS_EISA;
    136 	sc->sc_ioh = ioh;
    137 	sc->sc_iot = iot;
    138 
    139 	/* Reset card. */
    140 	bus_space_write_1(iot, ioh, EISA_CONTROL, EISA_ENABLE | EISA_RESET);
    141 	delay(10);
    142 	bus_space_write_1(iot, ioh, EISA_CONTROL, EISA_ENABLE);
    143 	/* Wait for reset? */
    144 	delay(1000);
    145 
    146 	/* XXX What is this doing?!  Reading the i/o address? */
    147 	k = bus_space_read_2(iot, ioh, EP_W0_ADDRESS_CFG);
    148 	k = (k & 0x1f) * 0x10 + 0x200;
    149 
    150 	/* Read the IRQ from the card. */
    151 	irq = bus_space_read_2(iot, ioh, EP_W0_RESOURCE_CFG) >> 12;
    152 
    153 	chipset = EP_CHIPSET_3C509;	/* assume dumb chipset */
    154 	if (strcmp(ea->ea_idstring, "TCM5091") == 0)
    155 		model = EISA_PRODUCT_TCM5091;
    156 	else if (strcmp(ea->ea_idstring, "TCM5092") == 0)
    157 		model = EISA_PRODUCT_TCM5092;
    158 	else if (strcmp(ea->ea_idstring, "TCM5093") == 0)
    159 		model = EISA_PRODUCT_TCM5093;
    160 	else if (strcmp(ea->ea_idstring, "TCM5920") == 0) {
    161 		model = EISA_PRODUCT_TCM5920;
    162 		chipset = EP_CHIPSET_VORTEX;
    163 	}
    164 	else if (strcmp(ea->ea_idstring, "TCM5970") == 0) {
    165 		model = EISA_PRODUCT_TCM5970;
    166 		chipset = EP_CHIPSET_VORTEX;
    167 	}
    168 	else if (strcmp(ea->ea_idstring, "TCM5971") == 0) {
    169 		model = EISA_PRODUCT_TCM5971;
    170 		chipset = EP_CHIPSET_VORTEX;
    171 	}
    172 	else if (strcmp(ea->ea_idstring, "TCM5972") == 0) {
    173 		model = EISA_PRODUCT_TCM5972;
    174 		chipset = EP_CHIPSET_VORTEX;
    175 	}
    176 	else
    177 		model = "unknown model!";
    178 	printf(": %s\n", model);
    179 
    180 	if (eisa_intr_map(ec, irq, &ih)) {
    181 		printf("%s: couldn't map interrupt (%u)\n",
    182 		    sc->sc_dev.dv_xname, irq);
    183 		return;
    184 	}
    185 	intrstr = eisa_intr_string(ec, ih);
    186 	sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET,
    187 	    epintr, sc);
    188 	if (sc->sc_ih == NULL) {
    189 		printf("%s: couldn't establish interrupt",
    190 		    sc->sc_dev.dv_xname);
    191 		if (intrstr != NULL)
    192 			printf(" at %s", intrstr);
    193 		printf("\n");
    194 		return;
    195 	}
    196 	if (intrstr != NULL)
    197 		printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname,
    198 		    intrstr);
    199 
    200 	sc->enable = NULL;
    201 	sc->disable = NULL;
    202 	sc->enabled = 1;
    203 
    204 	epconfig(sc, chipset, NULL);
    205 }
    206