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if_ep_pci.c revision 1.1
      1 /*	$NetBSD: if_ep_pci.c,v 1.1 1996/04/25 02:17:06 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) novatel.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Herb Peyerl.
     18  * 4. The name of Herb Peyerl may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include "bpfilter.h"
     34 
     35 #include <sys/param.h>
     36 #include <sys/mbuf.h>
     37 #include <sys/socket.h>
     38 #include <sys/ioctl.h>
     39 #include <sys/errno.h>
     40 #include <sys/syslog.h>
     41 #include <sys/select.h>
     42 #include <sys/device.h>
     43 
     44 #include <net/if.h>
     45 #include <net/if_dl.h>
     46 #include <net/if_types.h>
     47 
     48 #ifdef INET
     49 #include <netinet/in.h>
     50 #include <netinet/in_systm.h>
     51 #include <netinet/in_var.h>
     52 #include <netinet/ip.h>
     53 #include <netinet/if_ether.h>
     54 #endif
     55 
     56 #ifdef NS
     57 #include <netns/ns.h>
     58 #include <netns/ns_if.h>
     59 #endif
     60 
     61 #if NBPFILTER > 0
     62 #include <net/bpf.h>
     63 #include <net/bpfdesc.h>
     64 #endif
     65 
     66 #include <machine/cpu.h>
     67 #include <machine/pio.h>
     68 
     69 #include <dev/ic/elink3var.h>
     70 #include <dev/ic/elink3reg.h>
     71 
     72 #include <dev/pci/pcivar.h>
     73 #include <dev/pci/pcireg.h>
     74 #include <dev/pci/pcidevs.h>
     75 
     76 /* PCI constants */
     77 #define PCI_VENDORID(x)		((x) & 0xFFFF)
     78 #define PCI_CHIPID(x)		(((x) >> 16) & 0xFFFF)
     79 #define PCI_CONN		0x48    /* Connector type */
     80 #define PCI_CBMA		0x10    /* Configuration Base Memory Address */
     81 
     82 int ep_pci_match __P((struct device *, void *, void *));
     83 void ep_pci_attach __P((struct device *, struct device *, void *));
     84 
     85 struct cfattach ep_pci_ca = {
     86 	sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
     87 };
     88 
     89 int
     90 ep_pci_match(parent, match, aux)
     91 	struct device *parent;
     92 	void *match, *aux;
     93 {
     94 	struct cfdata *cf = match;
     95 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
     96 
     97 	if (PCI_VENDORID(pa->pa_id) != PCI_VENDOR_3COM)
     98 		return 0;
     99 
    100 	switch (PCI_CHIPID(pa->pa_id)) {
    101 	case PCI_PRODUCT_3COM_3C590:
    102 	case PCI_PRODUCT_3COM_3C595:
    103 		break;
    104 	default:
    105 		return 0;
    106 	}
    107 
    108 	return 1;
    109 }
    110 
    111 void
    112 ep_pci_attach(parent, self, aux)
    113 	struct device *parent, *self;
    114 	void *aux;
    115 {
    116 	struct ep_softc *sc = (void *)self;
    117 	u_short conn = 0;
    118 	struct pci_attach_args *pa = aux;
    119 	pci_chipset_tag_t pc = pa->pa_pc;
    120 	pci_intr_handle_t ih;
    121 	int iobase;
    122 	u_short i;
    123 	char *model;
    124 	const char *intrstr = NULL;
    125 
    126 	if (pci_map_io(pa->pa_tag, PCI_CBMA, &iobase)) {
    127 		printf(": couldn't map io\n");
    128 		return;
    129 	}
    130 	sc->bustype = EP_BUS_PCI;
    131 	sc->ep_iobase = iobase; /* & 0xfffffff0 */
    132 	i = pci_conf_read(pc, pa->pa_tag, PCI_CONN);
    133 
    134 	/*
    135 	 * Bits 13,12,9 of the isa adapter are the same as bits
    136 	 * 5,4,3 of the pci adapter
    137 	 */
    138 	if (i & IS_PCI_AUI)
    139 		conn |= IS_AUI;
    140 	if (i & IS_PCI_BNC)
    141 		conn |= IS_BNC;
    142 	if (i & IS_PCI_UTP)
    143 		conn |= IS_UTP;
    144 
    145 	GO_WINDOW(0);
    146 
    147 	switch (PCI_CHIPID(pa->pa_id)) {
    148 	case PCI_PRODUCT_3COM_3C590:
    149 		model = "3Com 3C590 Ethernet";
    150 		break;
    151 
    152 	case PCI_PRODUCT_3COM_3C595:
    153 		model = "3Com 3C595 Ethernet";
    154 		break;
    155 	default:
    156 		model = "unknown model!";
    157 	}
    158 
    159 	printf(": %s\n", model);
    160 
    161 	epconfig(sc, conn);
    162 
    163 	/* Enable the card. */
    164 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
    165 	    pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
    166 	    PCI_COMMAND_MASTER_ENABLE);
    167 
    168 	/* Map and establish the interrupt. */
    169 	if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
    170 	    pa->pa_intrline, &ih)) {
    171 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
    172 		return;
    173 	}
    174 	intrstr = pci_intr_string(pc, ih);
    175 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc);
    176 	if (sc->sc_ih == NULL) {
    177 		printf("%s: couldn't establish interrupt",
    178 		    sc->sc_dev.dv_xname);
    179 		if (intrstr != NULL)
    180 			printf(" at %s", intrstr);
    181 		printf("\n");
    182 		return;
    183 	}
    184 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
    185 
    186 	epstop(sc);
    187 }
    188