Annotation of sys/dev/pci/if_ne_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_ne_pci.c,v 1.16 2006/10/20 17:02:24 brad Exp $ */
! 2: /* $NetBSD: if_ne_pci.c,v 1.8 1998/07/05 00:51:24 jonathan Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
! 10: * NASA Ames Research Center.
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above copyright
! 18: * notice, this list of conditions and the following disclaimer in the
! 19: * documentation and/or other materials provided with the distribution.
! 20: * 3. All advertising materials mentioning features or use of this software
! 21: * must display the following acknowledgement:
! 22: * This product includes software developed by the NetBSD
! 23: * Foundation, Inc. and its contributors.
! 24: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 25: * contributors may be used to endorse or promote products derived
! 26: * from this software without specific prior written permission.
! 27: *
! 28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 38: * POSSIBILITY OF SUCH DAMAGE.
! 39: */
! 40:
! 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_media.h>
! 52:
! 53: #ifdef INET
! 54: #include <netinet/in.h>
! 55: #include <netinet/if_ether.h>
! 56: #endif
! 57:
! 58: #include <machine/bus.h>
! 59: #include <machine/intr.h>
! 60:
! 61: #include <dev/pci/pcireg.h>
! 62: #include <dev/pci/pcivar.h>
! 63: #include <dev/pci/pcidevs.h>
! 64:
! 65: #include <dev/mii/miivar.h>
! 66:
! 67: #include <dev/ic/dp8390reg.h>
! 68: #include <dev/ic/dp8390var.h>
! 69:
! 70: #include <dev/ic/ne2000reg.h>
! 71: #include <dev/ic/ne2000var.h>
! 72:
! 73: #include <dev/ic/rtl80x9reg.h>
! 74: #include <dev/ic/rtl80x9var.h>
! 75:
! 76: struct ne_pci_softc {
! 77: struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
! 78:
! 79: /* PCI-specific goo */
! 80: void *sc_ih; /* interrupt handle */
! 81: };
! 82:
! 83: int ne_pci_match(struct device *, void *, void *);
! 84: void ne_pci_attach(struct device *, struct device *, void *);
! 85:
! 86: struct cfattach ne_pci_ca = {
! 87: sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach
! 88: };
! 89:
! 90: const struct ne_pci_product {
! 91: pci_vendor_id_t npp_vendor;
! 92: pci_product_id_t npp_product;
! 93: int (*npp_mediachange)(struct dp8390_softc *);
! 94: void (*npp_mediastatus)(struct dp8390_softc *,
! 95: struct ifmediareq *);
! 96: void (*npp_init_card)(struct dp8390_softc *);
! 97: void (*npp_media_init)(struct dp8390_softc *);
! 98: } ne_pci_prod[] = {
! 99: { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029,
! 100: rtl80x9_mediachange, rtl80x9_mediastatus,
! 101: rtl80x9_init_card, rtl80x9_media_init,
! 102: /* RealTek 8029 */ },
! 103:
! 104: { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F,
! 105: NULL, NULL,
! 106: NULL, NULL,
! 107: /* Winbond 89C940F */ },
! 108:
! 109: { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926,
! 110: NULL, NULL,
! 111: NULL, NULL,
! 112: /* VIA Technologies VT86C926 */ },
! 113:
! 114: { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34,
! 115: NULL, NULL,
! 116: NULL, NULL,
! 117: /* Surecom NE-34 */ },
! 118:
! 119: { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_NV5000,
! 120: NULL, NULL,
! 121: NULL, NULL,
! 122: /* NetVin 5000 */ },
! 123:
! 124: /* XXX The following entries need sanity checking in pcidevs */
! 125: { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_COMPEXE,
! 126: NULL, NULL,
! 127: NULL, NULL,
! 128: /* Compex */ },
! 129:
! 130: { PCI_VENDOR_WINBOND2, PCI_PRODUCT_WINBOND2_W89C940,
! 131: NULL, NULL,
! 132: NULL, NULL,
! 133: /* ProLAN */ },
! 134:
! 135: { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_KTIE,
! 136: NULL, NULL,
! 137: NULL, NULL,
! 138: /* KTI */ },
! 139: };
! 140:
! 141: const struct ne_pci_product *ne_pci_lookup(struct pci_attach_args *);
! 142:
! 143: const struct ne_pci_product *
! 144: ne_pci_lookup(struct pci_attach_args *pa)
! 145: {
! 146: const struct ne_pci_product *npp;
! 147:
! 148: for (npp = ne_pci_prod;
! 149: npp < &ne_pci_prod[sizeof(ne_pci_prod)/sizeof(ne_pci_prod[0])];
! 150: npp++) {
! 151: if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor &&
! 152: PCI_PRODUCT(pa->pa_id) == npp->npp_product)
! 153: return (npp);
! 154: }
! 155: return (NULL);
! 156: }
! 157:
! 158: /*
! 159: * PCI constants.
! 160: * XXX These should be in a common file!
! 161: */
! 162: #define PCI_CBIO 0x10 /* Configuration Base IO Address */
! 163:
! 164: int
! 165: ne_pci_match(struct device *parent, void *match, void *aux)
! 166: {
! 167: struct pci_attach_args *pa = aux;
! 168:
! 169: if (ne_pci_lookup(pa) != NULL)
! 170: return (1);
! 171:
! 172: return (0);
! 173: }
! 174:
! 175: void
! 176: ne_pci_attach(struct device *parent, struct device *self, void *aux)
! 177: {
! 178: struct ne_pci_softc *psc = (struct ne_pci_softc *)self;
! 179: struct ne2000_softc *nsc = &psc->sc_ne2000;
! 180: struct dp8390_softc *dsc = &nsc->sc_dp8390;
! 181: struct pci_attach_args *pa = aux;
! 182: pci_chipset_tag_t pc = pa->pa_pc;
! 183: bus_size_t iosize;
! 184: bus_space_tag_t nict;
! 185: bus_space_handle_t nich;
! 186: bus_space_tag_t asict;
! 187: bus_space_handle_t asich;
! 188: const char *intrstr;
! 189: const struct ne_pci_product *npp;
! 190: pci_intr_handle_t ih;
! 191:
! 192: npp = ne_pci_lookup(pa);
! 193: if (npp == NULL) {
! 194: printf("\n");
! 195: panic("ne_pci_attach: impossible");
! 196: }
! 197:
! 198: if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
! 199: &nict, &nich, NULL, &iosize, 0)) {
! 200: printf(": can't map i/o space\n");
! 201: return;
! 202: }
! 203:
! 204: asict = nict;
! 205: if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
! 206: NE2000_ASIC_NPORTS, &asich)) {
! 207: printf(": can't subregion i/o space\n");
! 208: bus_space_unmap(nict, nich, iosize);
! 209: return;
! 210: }
! 211:
! 212: dsc->sc_regt = nict;
! 213: dsc->sc_regh = nich;
! 214:
! 215: nsc->sc_asict = asict;
! 216: nsc->sc_asich = asich;
! 217:
! 218: /* This interface is always enabled. */
! 219: dsc->sc_enabled = 1;
! 220:
! 221: dsc->sc_mediachange = npp->npp_mediachange;
! 222: dsc->sc_mediastatus = npp->npp_mediastatus;
! 223: dsc->sc_media_init = npp->npp_media_init;
! 224: dsc->init_card = npp->npp_init_card;
! 225:
! 226: /* Map and establish the interrupt. */
! 227: if (pci_intr_map(pa, &ih)) {
! 228: printf(": couldn't map interrupt\n");
! 229: bus_space_unmap(nict, nich, iosize);
! 230: return;
! 231: }
! 232: intrstr = pci_intr_string(pc, ih);
! 233: psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc,
! 234: dsc->sc_dev.dv_xname);
! 235: if (psc->sc_ih == NULL) {
! 236: printf(": couldn't establish interrupt");
! 237: if (intrstr != NULL)
! 238: printf(" at %s", intrstr);
! 239: printf("\n");
! 240: bus_space_unmap(nict, nich, iosize);
! 241: return;
! 242: }
! 243: printf(": %s", intrstr);
! 244:
! 245: /*
! 246: * Do generic NE2000 attach. This will read the station address
! 247: * from the EEPROM.
! 248: */
! 249: ne2000_attach(nsc, NULL);
! 250: }
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