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if_ep_pci.c revision 1.17
      1 /*	$NetBSD: if_ep_pci.c,v 1.17 1996/12/31 21:26:10 jonathan Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org>
      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/systm.h>
     37 #include <sys/mbuf.h>
     38 #include <sys/socket.h>
     39 #include <sys/ioctl.h>
     40 #include <sys/errno.h>
     41 #include <sys/syslog.h>
     42 #include <sys/select.h>
     43 #include <sys/device.h>
     44 
     45 #include <net/if.h>
     46 #include <net/if_dl.h>
     47 #include <net/if_types.h>
     48 
     49 #ifdef INET
     50 #include <netinet/in.h>
     51 #include <netinet/in_systm.h>
     52 #include <netinet/in_var.h>
     53 #include <netinet/ip.h>
     54 #include <netinet/if_ether.h>
     55 #endif
     56 
     57 #ifdef NS
     58 #include <netns/ns.h>
     59 #include <netns/ns_if.h>
     60 #endif
     61 
     62 #if NBPFILTER > 0
     63 #include <net/bpf.h>
     64 #include <net/bpfdesc.h>
     65 #endif
     66 
     67 #include <machine/cpu.h>
     68 #include <machine/bus.h>
     69 #include <machine/intr.h>
     70 
     71 #include <dev/ic/elink3var.h>
     72 #include <dev/ic/elink3reg.h>
     73 
     74 #include <dev/pci/pcivar.h>
     75 #include <dev/pci/pcireg.h>
     76 #include <dev/pci/pcidevs.h>
     77 
     78 /*
     79  * PCI constants.
     80  * XXX These should be in a common file!
     81  */
     82 #define PCI_CONN		0x48    /* Connector type */
     83 #define PCI_CBIO		0x10    /* Configuration Base IO Address */
     84 
     85 #ifdef __BROKEN_INDIRECT_CONFIG
     86 int ep_pci_match __P((struct device *, void *, void *));
     87 #else
     88 int ep_pci_match __P((struct device *, struct cfdata *, void *));
     89 #endif
     90 void ep_pci_attach __P((struct device *, struct device *, void *));
     91 
     92 struct cfattach ep_pci_ca = {
     93 	sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
     94 };
     95 
     96 int
     97 ep_pci_match(parent, match, aux)
     98 	struct device *parent;
     99 #ifdef __BROKEN_INDIRECT_CONFIG
    100 	void *match;
    101 #else
    102 	struct cfdata *match;
    103 #endif
    104 	void *aux;
    105 {
    106 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
    107 
    108 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM)
    109 		return 0;
    110 
    111 	switch (PCI_PRODUCT(pa->pa_id)) {
    112 	case PCI_PRODUCT_3COM_3C590:
    113 	case PCI_PRODUCT_3COM_3C595TX:
    114 	case PCI_PRODUCT_3COM_3C900COMBO:
    115 	case PCI_PRODUCT_3COM_3C905TX:
    116 		break;
    117 	default:
    118 		return 0;
    119 	}
    120 
    121 	return 1;
    122 }
    123 
    124 void
    125 ep_pci_attach(parent, self, aux)
    126 	struct device *parent, *self;
    127 	void *aux;
    128 {
    129 	struct ep_softc *sc = (void *)self;
    130 	struct pci_attach_args *pa = aux;
    131 	pci_chipset_tag_t pc = pa->pa_pc;
    132 	bus_space_tag_t iot = pa->pa_iot;
    133 	bus_addr_t iobase;
    134 	bus_size_t iosize;
    135 	pci_intr_handle_t ih;
    136 	u_int conn = 0;
    137 	pcireg_t i;
    138 	char *model;
    139 	const char *intrstr = NULL;
    140 
    141 	if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) {
    142 		printf(": can't find i/o space\n");
    143 		return;
    144 	}
    145 
    146 	if (bus_space_map(iot, iobase, iosize, 0, &sc->sc_ioh)) {
    147 		printf(": can't map i/o space\n");
    148 		return;
    149 	}
    150 
    151 	sc->sc_iot = iot;
    152 	sc->bustype = EP_BUS_PCI;
    153 
    154 	/*
    155 	 * The EP_W3_RESET_OPTIONS register is mapped into PCI
    156 	 * configuration space.  Read RESET_OPTIONS to get
    157 	 * the media types present on this card.
    158 	 */
    159 	i = pci_conf_read(pc, pa->pa_tag, PCI_CONN);
    160 
    161 	/*
    162 	 * Bits 13,12,9 of the isa adapter are the same as bits
    163 	 * 5,4,3 of the pci adapter
    164 	 */
    165 	if (i & IS_PCI_AUI)
    166 		conn |= IS_AUI;
    167 	if (i & IS_PCI_BNC)
    168 		conn |= IS_BNC;
    169 	if (i & IS_PCI_UTP)
    170 		conn |= IS_UTP;
    171 	if (i & IS_PCI_100BASE_TX)
    172 		conn |= IS_100BASE_TX;
    173 	if (i & IS_PCI_100BASE_T4)
    174 		conn |= IS_100BASE_T4;
    175 	if (i & IS_PCI_100BASE_FX)
    176 		conn |= IS_100BASE_FX;
    177 	if (i & IS_PCI_100BASE_MII)
    178 		conn |= IS_100BASE_MII;
    179 
    180 	GO_WINDOW(0);
    181 
    182 	switch (PCI_PRODUCT(pa->pa_id)) {
    183 	case PCI_PRODUCT_3COM_3C590:
    184 		model = "3Com 3C590 Ethernet";
    185 		break;
    186 	case PCI_PRODUCT_3COM_3C595TX:
    187 	case PCI_PRODUCT_3COM_3C595T4:
    188 	case PCI_PRODUCT_3COM_3C595MII:
    189 		model = "3Com 3C595 Ethernet";
    190 		break;
    191 	case PCI_PRODUCT_3COM_3C900TPO:
    192 		model = "3Com 3C900 Ethernet";
    193 		break;
    194 	case PCI_PRODUCT_3COM_3C900COMBO:
    195 		model = "3Com 3C900 Ethernet";
    196 		break;
    197 	case PCI_PRODUCT_3COM_3C905TX:
    198 		model = "3Com 3C905 Ethernet";
    199 		break;
    200 	default:
    201 		model = "unknown model!";
    202 		break;
    203 	}
    204 
    205 	printf(": %s\n", model);
    206 
    207 	epconfig(sc, conn);
    208 
    209 	/* Enable the card. */
    210 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
    211 	    pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
    212 	    PCI_COMMAND_MASTER_ENABLE);
    213 
    214 	/* Map and establish the interrupt. */
    215 	if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
    216 	    pa->pa_intrline, &ih)) {
    217 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
    218 		return;
    219 	}
    220 	intrstr = pci_intr_string(pc, ih);
    221 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc);
    222 	if (sc->sc_ih == NULL) {
    223 		printf("%s: couldn't establish interrupt",
    224 		    sc->sc_dev.dv_xname);
    225 		if (intrstr != NULL)
    226 			printf(" at %s", intrstr);
    227 		printf("\n");
    228 		return;
    229 	}
    230 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
    231 }
    232