338 lines
8.9 KiB
C
338 lines
8.9 KiB
C
/* $NetBSD: if_ne_pci.c,v 1.32 2008/04/28 20:23:55 martin Exp $ */
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/*-
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_ne_pci.c,v 1.32 2008/04/28 20:23:55 martin Exp $");
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#include "opt_ipkdb.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/syslog.h>
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#include <sys/socket.h>
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#include <sys/device.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <sys/bus.h>
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#include <sys/intr.h>
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#ifdef IPKDB_NE_PCI
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#include <ipkdb/ipkdb.h>
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#endif
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/ic/dp8390reg.h>
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#include <dev/ic/dp8390var.h>
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#include <dev/ic/ne2000reg.h>
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#include <dev/ic/ne2000var.h>
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#include <dev/ic/rtl80x9reg.h>
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#include <dev/ic/rtl80x9var.h>
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struct ne_pci_softc {
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struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
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/* PCI-specific goo */
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void *sc_ih; /* interrupt handle */
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};
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static int ne_pci_match(struct device *, struct cfdata *, void *);
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static void ne_pci_attach(struct device *, struct device *, void *);
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CFATTACH_DECL_NEW(ne_pci, sizeof(struct ne_pci_softc),
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ne_pci_match, ne_pci_attach, NULL, NULL);
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#ifdef IPKDB_NE_PCI
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static struct ne_pci_softc ipkdb_softc;
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static pci_chipset_tag_t ipkdb_pc;
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static pcitag_t ipkdb_tag;
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static struct ipkdb_if *ne_kip;
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int ne_pci_ipkdb_attach(struct ipkdb_if *, bus_space_tag_t, /* XXX */
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pci_chipset_tag_t, int, int);
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static int ne_pci_isipkdb(pci_chipset_tag_t, pcitag_t);
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#endif
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static const struct ne_pci_product {
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pci_vendor_id_t npp_vendor;
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pci_product_id_t npp_product;
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int (*npp_mediachange)(struct dp8390_softc *);
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void (*npp_mediastatus)(struct dp8390_softc *, struct ifmediareq *);
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void (*npp_init_card)(struct dp8390_softc *);
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void (*npp_media_init)(struct dp8390_softc *);
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const char *npp_name;
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} ne_pci_products[] = {
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{ PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029,
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rtl80x9_mediachange, rtl80x9_mediastatus,
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rtl80x9_init_card, rtl80x9_media_init,
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"Realtek 8029" },
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{ PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F,
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NULL, NULL,
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NULL, NULL,
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"Winbond 89C940F" },
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{ PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F_1,
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NULL, NULL,
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NULL, NULL,
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"Winbond 89C940F" },
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{ PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926,
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NULL, NULL,
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NULL, NULL,
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"VIA Technologies VT86C926" },
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{ PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34,
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NULL, NULL,
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NULL, NULL,
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"Surecom NE-34" },
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{ PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000,
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NULL, NULL,
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NULL, NULL,
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"NetVin 5000" },
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/* XXX The following entries need sanity checking in pcidevs */
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{ PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER,
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NULL, NULL,
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NULL, NULL,
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"Compex" },
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{ PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER,
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NULL, NULL,
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NULL, NULL,
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"ProLAN" },
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{ PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER,
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NULL, NULL,
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NULL, NULL,
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"KTI" },
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{ 0, 0,
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NULL, NULL,
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NULL, NULL,
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NULL },
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};
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static const struct ne_pci_product *
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ne_pci_lookup(const struct pci_attach_args *pa)
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{
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const struct ne_pci_product *npp;
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for (npp = ne_pci_products; npp->npp_name != NULL; npp++) {
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if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor &&
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PCI_PRODUCT(pa->pa_id) == npp->npp_product)
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return (npp);
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}
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return (NULL);
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}
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/*
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* PCI constants.
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* XXX These should be in a common file!
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*/
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#define PCI_CBIO 0x10 /* Configuration Base IO Address */
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static int
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ne_pci_match(struct device *parent, struct cfdata *match,
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void *aux)
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{
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struct pci_attach_args *pa = aux;
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if (ne_pci_lookup(pa) != NULL)
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return (1);
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return (0);
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}
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static void
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ne_pci_attach(struct device *parent, struct device *self, void *aux)
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{
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struct ne_pci_softc *psc = device_private(self);
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struct ne2000_softc *nsc = &psc->sc_ne2000;
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struct dp8390_softc *dsc = &nsc->sc_dp8390;
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struct pci_attach_args *pa = aux;
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pci_chipset_tag_t pc = pa->pa_pc;
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bus_space_tag_t nict;
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bus_space_handle_t nich;
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bus_space_tag_t asict;
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bus_space_handle_t asich;
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const char *intrstr;
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const struct ne_pci_product *npp;
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pci_intr_handle_t ih;
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pcireg_t csr;
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npp = ne_pci_lookup(pa);
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if (npp == NULL) {
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printf("\n");
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panic("ne_pci_attach: impossible");
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}
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dsc->sc_dev = self;
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printf(": %s Ethernet\n", npp->npp_name);
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#ifdef IPKDB_NE_PCI
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if (ne_pci_isipkdb(pc, pa->pa_tag)) {
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nict = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt;
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nich = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh;
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ne_kip->port = nsc;
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} else
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#endif
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if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
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&nict, &nich, NULL, NULL)) {
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aprint_error_dev(dsc->sc_dev, "can't map i/o space\n");
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return;
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}
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asict = nict;
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if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
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NE2000_ASIC_NPORTS, &asich)) {
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aprint_error_dev(dsc->sc_dev, "can't subregion i/o space\n");
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return;
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}
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dsc->sc_regt = nict;
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dsc->sc_regh = nich;
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nsc->sc_asict = asict;
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nsc->sc_asich = asich;
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/* Enable the card. */
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csr = pci_conf_read(pc, pa->pa_tag,
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PCI_COMMAND_STATUS_REG);
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pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
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csr | PCI_COMMAND_MASTER_ENABLE);
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/* This interface is always enabled. */
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dsc->sc_enabled = 1;
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dsc->sc_mediachange = npp->npp_mediachange;
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dsc->sc_mediastatus = npp->npp_mediastatus;
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dsc->sc_media_init = npp->npp_media_init;
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dsc->init_card = npp->npp_init_card;
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/*
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* Do generic NE2000 attach. This will read the station address
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* from the EEPROM.
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*/
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ne2000_attach(nsc, NULL);
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/* Map and establish the interrupt. */
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if (pci_intr_map(pa, &ih)) {
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aprint_error_dev(dsc->sc_dev, "couldn't map interrupt\n");
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return;
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}
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intrstr = pci_intr_string(pc, ih);
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psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc);
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if (psc->sc_ih == NULL) {
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aprint_error_dev(dsc->sc_dev, "couldn't establish interrupt");
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if (intrstr != NULL)
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aprint_error(" at %s", intrstr);
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aprint_error("\n");
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return;
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}
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aprint_normal_dev(dsc->sc_dev, "interrupting at %s\n", intrstr);
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}
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#ifdef IPKDB_NE_PCI
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static int
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ne_pci_isipkdb(pci_chipset_tag_t pc, pcitag_t tag)
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{
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return !memcmp(&pc, &ipkdb_pc, sizeof pc)
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&& !memcmp(&tag, &ipkdb_tag, sizeof tag);
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}
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int
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ne_pci_ipkdb_attach(struct ipkdb_if *kip, bus_space_tag_t iot,
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pci_chipset_tag_t pc, int bus, int dev)
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{
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struct pci_attach_args pa;
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bus_space_tag_t nict, asict;
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bus_space_handle_t nich, asich;
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u_int32_t csr;
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pa.pa_iot = iot;
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pa.pa_pc = pc;
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pa.pa_device = dev;
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pa.pa_function = 0;
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pa.pa_flags = PCI_FLAGS_IO_ENABLED;
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pa.pa_tag = pci_make_tag(pc, bus, dev, /*func*/0);
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pa.pa_id = pci_conf_read(pc, pa.pa_tag, PCI_ID_REG);
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pa.pa_class = pci_conf_read(pc, pa.pa_tag, PCI_CLASS_REG);
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if (ne_pci_lookup(&pa) == NULL)
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return -1;
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if (pci_mapreg_map(&pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
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&nict, &nich, NULL, NULL))
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return -1;
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asict = nict;
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if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
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NE2000_ASIC_NPORTS, &asich)) {
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bus_space_unmap(nict, nich, NE2000_NPORTS);
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return -1;
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}
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/* Enable card */
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csr = pci_conf_read(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG);
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pci_conf_write(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG,
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csr | PCI_COMMAND_MASTER_ENABLE);
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ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt = nict;
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ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh = nich;
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ipkdb_softc.sc_ne2000.sc_asict = asict;
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ipkdb_softc.sc_ne2000.sc_asich = asich;
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kip->port = &ipkdb_softc;
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ipkdb_pc = pc;
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ipkdb_tag = pa.pa_tag;
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ne_kip = kip;
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if (ne2000_ipkdb_attach(kip) < 0) {
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bus_space_unmap(nict, nich, NE2000_NPORTS);
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return -1;
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}
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return 0;
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}
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#endif /* IPKDB_NE_PCI */
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