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if_ep_pci.c revision 1.26
      1 /*	$NetBSD: if_ep_pci.c,v 1.26 1998/07/05 00:51:23 jonathan 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 "opt_inet.h"
     35 #include "bpfilter.h"
     36 
     37 #include <sys/param.h>
     38 #include <sys/systm.h>
     39 #include <sys/mbuf.h>
     40 #include <sys/socket.h>
     41 #include <sys/ioctl.h>
     42 #include <sys/errno.h>
     43 #include <sys/syslog.h>
     44 #include <sys/select.h>
     45 #include <sys/device.h>
     46 
     47 #include <net/if.h>
     48 #include <net/if_dl.h>
     49 #include <net/if_ether.h>
     50 #include <net/if_media.h>
     51 
     52 #ifdef INET
     53 #include <netinet/in.h>
     54 #include <netinet/in_systm.h>
     55 #include <netinet/in_var.h>
     56 #include <netinet/ip.h>
     57 #include <netinet/if_inarp.h>
     58 #endif
     59 
     60 #ifdef NS
     61 #include <netns/ns.h>
     62 #include <netns/ns_if.h>
     63 #endif
     64 
     65 #if NBPFILTER > 0
     66 #include <net/bpf.h>
     67 #include <net/bpfdesc.h>
     68 #endif
     69 
     70 #include <machine/cpu.h>
     71 #include <machine/bus.h>
     72 #include <machine/intr.h>
     73 
     74 #include <dev/ic/elink3var.h>
     75 #include <dev/ic/elink3reg.h>
     76 
     77 #include <dev/pci/pcivar.h>
     78 #include <dev/pci/pcireg.h>
     79 #include <dev/pci/pcidevs.h>
     80 
     81 /*
     82  * PCI constants.
     83  * XXX These should be in a common file!
     84  */
     85 #define PCI_CONN		0x48    /* Connector type */
     86 #define PCI_CBIO		0x10    /* Configuration Base IO Address */
     87 
     88 int ep_pci_match __P((struct device *, struct cfdata *, void *));
     89 void ep_pci_attach __P((struct device *, struct device *, void *));
     90 
     91 struct cfattach ep_pci_ca = {
     92 	sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
     93 };
     94 
     95 int
     96 ep_pci_match(parent, match, aux)
     97 	struct device *parent;
     98 	struct cfdata *match;
     99 	void *aux;
    100 {
    101 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
    102 
    103 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM)
    104 		return 0;
    105 
    106 	switch (PCI_PRODUCT(pa->pa_id)) {
    107 	case PCI_PRODUCT_3COM_3C590:
    108 
    109 	case PCI_PRODUCT_3COM_3C595TX:
    110 	case PCI_PRODUCT_3COM_3C595T4:
    111 	case PCI_PRODUCT_3COM_3C595MII:
    112 
    113 	case PCI_PRODUCT_3COM_3C900TPO:
    114 	case PCI_PRODUCT_3COM_3C900COMBO:
    115 	case PCI_PRODUCT_3COM_3C905TX:
    116 	case PCI_PRODUCT_3COM_3C905T4:
    117 		break;
    118 	default:
    119 		return 0;
    120 	}
    121 
    122 	return 1;
    123 }
    124 
    125 void
    126 ep_pci_attach(parent, self, aux)
    127 	struct device *parent, *self;
    128 	void *aux;
    129 {
    130 	struct ep_softc *sc = (void *)self;
    131 	struct pci_attach_args *pa = aux;
    132 	pci_chipset_tag_t pc = pa->pa_pc;
    133 	pci_intr_handle_t ih;
    134 	char *model;
    135 	const char *intrstr = NULL;
    136 
    137 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
    138 	    &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
    139 		printf(": can't map i/o space\n");
    140 		return;
    141 	}
    142 
    143 	sc->bustype = EP_BUS_PCI;
    144 
    145 	switch (PCI_PRODUCT(pa->pa_id)) {
    146 	case PCI_PRODUCT_3COM_3C590:
    147 		model = "3Com 3C590 Ethernet";
    148 		break;
    149 	case PCI_PRODUCT_3COM_3C595TX:
    150 	case PCI_PRODUCT_3COM_3C595T4:
    151 	case PCI_PRODUCT_3COM_3C595MII:
    152 		model = "3Com 3C595 Ethernet";
    153 		break;
    154 	case PCI_PRODUCT_3COM_3C900TPO:
    155 	case PCI_PRODUCT_3COM_3C900COMBO:
    156 		model = "3Com 3C900 Ethernet";
    157 		break;
    158 	case PCI_PRODUCT_3COM_3C905TX:
    159 	case PCI_PRODUCT_3COM_3C905T4:
    160 		model = "3Com 3C905 Ethernet";
    161 		break;
    162 	default:
    163 		model = "unknown model!";
    164 		break;
    165 	}
    166 
    167 	printf(": %s\n", model);
    168 
    169 	sc->enable = NULL;
    170 	sc->disable = NULL;
    171 	sc->enabled = 1;
    172 
    173 	epconfig(sc, EP_CHIPSET_VORTEX, NULL);
    174 
    175 	/* Enable the card. */
    176 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
    177 	    pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
    178 	    PCI_COMMAND_MASTER_ENABLE);
    179 
    180 	/* Map and establish the interrupt. */
    181 	if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
    182 	    pa->pa_intrline, &ih)) {
    183 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
    184 		return;
    185 	}
    186 	intrstr = pci_intr_string(pc, ih);
    187 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, 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 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
    197 }
    198