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if_ne_pci.c revision 1.14
      1 /*	$NetBSD: if_ne_pci.c,v 1.14 1998/11/09 23:14:12 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  * NASA Ames Research Center.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the NetBSD
     22  *	Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 #include "opt_inet.h"
     41 #include "bpfilter.h"
     42 
     43 #include <sys/param.h>
     44 #include <sys/systm.h>
     45 #include <sys/mbuf.h>
     46 #include <sys/syslog.h>
     47 #include <sys/socket.h>
     48 #include <sys/device.h>
     49 
     50 #include <net/if.h>
     51 #include <net/if_ether.h>
     52 #include <net/if_media.h>
     53 
     54 #ifdef INET
     55 #include <netinet/in.h>
     56 #include <netinet/if_inarp.h>
     57 #endif
     58 
     59 #include <machine/bus.h>
     60 #include <machine/intr.h>
     61 
     62 #include <dev/pci/pcireg.h>
     63 #include <dev/pci/pcivar.h>
     64 #include <dev/pci/pcidevs.h>
     65 
     66 #include <dev/ic/dp8390reg.h>
     67 #include <dev/ic/dp8390var.h>
     68 
     69 #include <dev/ic/ne2000reg.h>
     70 #include <dev/ic/ne2000var.h>
     71 
     72 #include <dev/ic/rtl80x9reg.h>
     73 #include <dev/ic/rtl80x9var.h>
     74 
     75 struct ne_pci_softc {
     76 	struct ne2000_softc sc_ne2000;		/* real "ne2000" softc */
     77 
     78 	/* PCI-specific goo */
     79 	void *sc_ih;				/* interrupt handle */
     80 };
     81 
     82 int ne_pci_match __P((struct device *, struct cfdata *, void *));
     83 void ne_pci_attach __P((struct device *, struct device *, void *));
     84 
     85 struct cfattach ne_pci_ca = {
     86 	sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach
     87 };
     88 
     89 const struct ne_pci_product {
     90 	pci_vendor_id_t npp_vendor;
     91 	pci_product_id_t npp_product;
     92 	int (*npp_mediachange) __P((struct dp8390_softc *));
     93 	void (*npp_mediastatus) __P((struct dp8390_softc *,
     94 	    struct ifmediareq *));
     95 	void (*npp_init_card) __P((struct dp8390_softc *));
     96 	void (*npp_init_media) __P((struct dp8390_softc *, int **,
     97 	    int *, int *));
     98 	const char *npp_name;
     99 } ne_pci_products[] = {
    100 	{ PCI_VENDOR_REALTEK,		PCI_PRODUCT_REALTEK_RT8029,
    101 	  rtl80x9_mediachange,		rtl80x9_mediastatus,
    102 	  rtl80x9_init_card,		rtl80x9_init_media,
    103 	  "RealTek 8029" },
    104 
    105 	{ PCI_VENDOR_WINBOND,		PCI_PRODUCT_WINBOND_W89C940F,
    106 	  NULL,				NULL,
    107 	  NULL,				NULL,
    108 	  "Winbond 89C940F" },
    109 
    110 	{ PCI_VENDOR_VIATECH,		PCI_PRODUCT_VIATECH_VT86C926,
    111 	  NULL,				NULL,
    112 	  NULL,				NULL,
    113 	  "VIA Technologies VT86C926" },
    114 
    115 	{ PCI_VENDOR_SURECOM,		PCI_PRODUCT_SURECOM_NE34,
    116 	  NULL,				NULL,
    117 	  NULL,				NULL,
    118 	  "Surecom NE-34" },
    119 
    120 	{ PCI_VENDOR_NETVIN,		PCI_PRODUCT_NETVIN_5000,
    121 	  NULL,				NULL,
    122 	  NULL,				NULL,
    123 	  "NetVin 5000" },
    124 
    125 	/* XXX The following entries need sanity checking in pcidevs */
    126 	{ PCI_VENDOR_COMPEX,		PCI_PRODUCT_COMPEX_NE2KETHER,
    127 	  NULL,				NULL,
    128 	  NULL,				NULL,
    129 	  "Compex" },
    130 
    131 	{ PCI_VENDOR_PROLAN,		PCI_PRODUCT_PROLAN_NE2KETHER,
    132 	  NULL,				NULL,
    133 	  NULL,				NULL,
    134 	  "ProLAN" },
    135 
    136 	{ PCI_VENDOR_KTI,		PCI_PRODUCT_KTI_NE2KETHER,
    137 	  NULL,				NULL,
    138 	  NULL,				NULL,
    139 	  "KTI" },
    140 
    141 	{ 0,				0,
    142 	  NULL,				NULL,
    143 	  NULL,				NULL,
    144 	  NULL },
    145 };
    146 
    147 const struct ne_pci_product *ne_pci_lookup
    148     __P((const struct pci_attach_args *));
    149 
    150 const struct ne_pci_product *
    151 ne_pci_lookup(pa)
    152 	const struct pci_attach_args *pa;
    153 {
    154 	const struct ne_pci_product *npp;
    155 
    156 	for (npp = ne_pci_products; npp->npp_name != NULL; npp++) {
    157 		if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor &&
    158 		    PCI_PRODUCT(pa->pa_id) == npp->npp_product)
    159 			return (npp);
    160 	}
    161 	return (NULL);
    162 }
    163 
    164 /*
    165  * PCI constants.
    166  * XXX These should be in a common file!
    167  */
    168 #define PCI_CBIO	0x10		/* Configuration Base IO Address */
    169 
    170 int
    171 ne_pci_match(parent, match, aux)
    172 	struct device *parent;
    173 	struct cfdata *match;
    174 	void *aux;
    175 {
    176 	struct pci_attach_args *pa = aux;
    177 
    178 	if (ne_pci_lookup(pa) != NULL)
    179 		return (1);
    180 
    181 	return (0);
    182 }
    183 
    184 void
    185 ne_pci_attach(parent, self, aux)
    186 	struct device *parent, *self;
    187 	void *aux;
    188 {
    189 	struct ne_pci_softc *psc = (struct ne_pci_softc *)self;
    190 	struct ne2000_softc *nsc = &psc->sc_ne2000;
    191 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
    192 	struct pci_attach_args *pa = aux;
    193 	pci_chipset_tag_t pc = pa->pa_pc;
    194 	bus_space_tag_t nict;
    195 	bus_space_handle_t nich;
    196 	bus_space_tag_t asict;
    197 	bus_space_handle_t asich;
    198 	const char *intrstr;
    199 	const struct ne_pci_product *npp;
    200 	pci_intr_handle_t ih;
    201 	pcireg_t csr;
    202 	int *media, nmedia, defmedia;
    203 
    204 	npp = ne_pci_lookup(pa);
    205 	if (npp == NULL) {
    206 		printf("\n");
    207 		panic("ne_pci_attach: impossible");
    208 	}
    209 
    210 	printf(": %s Ethernet\n", npp->npp_name);
    211 
    212 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
    213 	    &nict, &nich, NULL, NULL)) {
    214 		printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
    215 		return;
    216 	}
    217 
    218 	asict = nict;
    219 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    220 	    NE2000_ASIC_NPORTS, &asich)) {
    221 		printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
    222 		return;
    223 	}
    224 
    225 	dsc->sc_regt = nict;
    226 	dsc->sc_regh = nich;
    227 
    228 	nsc->sc_asict = asict;
    229 	nsc->sc_asich = asich;
    230 
    231 	/* Enable the card. */
    232 	csr = pci_conf_read(pc, pa->pa_tag,
    233 	    PCI_COMMAND_STATUS_REG);
    234 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
    235 	    csr | PCI_COMMAND_MASTER_ENABLE);
    236 
    237 	/* This interface is always enabled. */
    238 	dsc->sc_enabled = 1;
    239 
    240 	if (npp->npp_init_media != NULL) {
    241 		(*npp->npp_init_media)(dsc, &media, &nmedia, &defmedia);
    242 		dsc->sc_mediachange = npp->npp_mediachange;
    243 		dsc->sc_mediastatus = npp->npp_mediastatus;
    244 	} else {
    245 		media = NULL;
    246 		nmedia = 0;
    247 		defmedia = 0;
    248 	}
    249 
    250 	/* Always fill in init_card; it might be used for non-media stuff. */
    251 	dsc->init_card = npp->npp_init_card;
    252 
    253 	/*
    254 	 * Do generic NE2000 attach.  This will read the station address
    255 	 * from the EEPROM.
    256 	 */
    257 	ne2000_attach(nsc, NULL, media, nmedia, defmedia);
    258 
    259 	/* Map and establish the interrupt. */
    260 	if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
    261 	    pa->pa_intrline, &ih)) {
    262 		printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname);
    263 		return;
    264 	}
    265 	intrstr = pci_intr_string(pc, ih);
    266 	psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc);
    267 	if (psc->sc_ih == NULL) {
    268 		printf("%s: couldn't establish interrupt",
    269 		    dsc->sc_dev.dv_xname);
    270 		if (intrstr != NULL)
    271 			printf(" at %s", intrstr);
    272 		printf("\n");
    273 		return;
    274 	}
    275 	printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr);
    276 }
    277