/* $NetBSD: if_ne_pci.c,v 1.37 2014/03/29 19:28:25 christos Exp $ */ /*- * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: if_ne_pci.c,v 1.37 2014/03/29 19:28:25 christos Exp $"); #include "opt_ipkdb.h" #include #include #include #include #include #include #include #include #include #include #include #ifdef IPKDB_NE_PCI #include #endif #include #include #include #include #include #include #include #include #include struct ne_pci_softc { struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ /* PCI-specific goo */ void *sc_ih; /* interrupt handle */ }; static int ne_pci_match(device_t, cfdata_t, void *); static void ne_pci_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(ne_pci, sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach, NULL, NULL); #ifdef IPKDB_NE_PCI static struct ne_pci_softc ipkdb_softc; static pci_chipset_tag_t ipkdb_pc; static pcitag_t ipkdb_tag; static struct ipkdb_if *ne_kip; int ne_pci_ipkdb_attach(struct ipkdb_if *, bus_space_tag_t, /* XXX */ pci_chipset_tag_t, int, int); static int ne_pci_isipkdb(pci_chipset_tag_t, pcitag_t); #endif static const struct ne_pci_product { pci_vendor_id_t npp_vendor; pci_product_id_t npp_product; int (*npp_mediachange)(struct dp8390_softc *); void (*npp_mediastatus)(struct dp8390_softc *, struct ifmediareq *); void (*npp_init_card)(struct dp8390_softc *); void (*npp_media_init)(struct dp8390_softc *); const char *npp_name; } ne_pci_products[] = { { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029, rtl80x9_mediachange, rtl80x9_mediastatus, rtl80x9_init_card, rtl80x9_media_init, "Realtek 8029" }, { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F, NULL, NULL, NULL, NULL, "Winbond 89C940F" }, { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F_1, NULL, NULL, NULL, NULL, "Winbond 89C940F" }, { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926, NULL, NULL, NULL, NULL, "VIA Technologies VT86C926" }, { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34, NULL, NULL, NULL, NULL, "Surecom NE-34" }, { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000, NULL, NULL, NULL, NULL, "NetVin 5000" }, /* XXX The following entries need sanity checking in pcidevs */ { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER, NULL, NULL, NULL, NULL, "Compex" }, { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER, NULL, NULL, NULL, NULL, "ProLAN" }, { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER, NULL, NULL, NULL, NULL, "KTI" }, { 0, 0, NULL, NULL, NULL, NULL, NULL }, }; static const struct ne_pci_product * ne_pci_lookup(const struct pci_attach_args *pa) { const struct ne_pci_product *npp; for (npp = ne_pci_products; npp->npp_name != NULL; npp++) { if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor && PCI_PRODUCT(pa->pa_id) == npp->npp_product) return (npp); } return (NULL); } /* * PCI constants. * XXX These should be in a common file! */ #define PCI_CBIO PCI_BAR(0) /* Configuration Base IO Address */ static int ne_pci_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa = aux; if (ne_pci_lookup(pa) != NULL) return (1); return (0); } static void ne_pci_attach(device_t parent, device_t self, void *aux) { struct ne_pci_softc *psc = device_private(self); struct ne2000_softc *nsc = &psc->sc_ne2000; struct dp8390_softc *dsc = &nsc->sc_dp8390; struct pci_attach_args *pa = aux; pci_chipset_tag_t pc = pa->pa_pc; bus_space_tag_t nict; bus_space_handle_t nich; bus_space_tag_t asict; bus_space_handle_t asich; const char *intrstr; const struct ne_pci_product *npp; pci_intr_handle_t ih; pcireg_t csr; char intrbuf[PCI_INTRSTR_LEN]; npp = ne_pci_lookup(pa); if (npp == NULL) { printf("\n"); panic("ne_pci_attach: impossible"); } dsc->sc_dev = self; printf(": %s Ethernet\n", npp->npp_name); #ifdef IPKDB_NE_PCI if (ne_pci_isipkdb(pc, pa->pa_tag)) { nict = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt; nich = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh; ne_kip->port = nsc; } else #endif if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &nict, &nich, NULL, NULL)) { aprint_error_dev(dsc->sc_dev, "can't map i/o space\n"); return; } asict = nict; if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE2000_ASIC_NPORTS, &asich)) { aprint_error_dev(dsc->sc_dev, "can't subregion i/o space\n"); return; } dsc->sc_regt = nict; dsc->sc_regh = nich; nsc->sc_asict = asict; nsc->sc_asich = asich; /* Enable the card. */ csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, csr | PCI_COMMAND_MASTER_ENABLE); /* This interface is always enabled. */ dsc->sc_enabled = 1; dsc->sc_mediachange = npp->npp_mediachange; dsc->sc_mediastatus = npp->npp_mediastatus; dsc->sc_media_init = npp->npp_media_init; dsc->init_card = npp->npp_init_card; /* * Do generic NE2000 attach. This will read the station address * from the EEPROM. */ ne2000_attach(nsc, NULL); /* Map and establish the interrupt. */ if (pci_intr_map(pa, &ih)) { aprint_error_dev(dsc->sc_dev, "couldn't map interrupt\n"); return; } intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc); if (psc->sc_ih == NULL) { aprint_error_dev(dsc->sc_dev, "couldn't establish interrupt"); if (intrstr != NULL) aprint_error(" at %s", intrstr); aprint_error("\n"); return; } aprint_normal_dev(dsc->sc_dev, "interrupting at %s\n", intrstr); } #ifdef IPKDB_NE_PCI static int ne_pci_isipkdb(pci_chipset_tag_t pc, pcitag_t tag) { return !memcmp(&pc, &ipkdb_pc, sizeof pc) && !memcmp(&tag, &ipkdb_tag, sizeof tag); } int ne_pci_ipkdb_attach(struct ipkdb_if *kip, bus_space_tag_t iot, pci_chipset_tag_t pc, int bus, int dev) { struct pci_attach_args pa; bus_space_tag_t nict, asict; bus_space_handle_t nich, asich; u_int32_t csr; pa.pa_iot = iot; pa.pa_pc = pc; pa.pa_device = dev; pa.pa_function = 0; pa.pa_flags = PCI_FLAGS_IO_OKAY; pa.pa_tag = pci_make_tag(pc, bus, dev, /*func*/0); pa.pa_id = pci_conf_read(pc, pa.pa_tag, PCI_ID_REG); pa.pa_class = pci_conf_read(pc, pa.pa_tag, PCI_CLASS_REG); if (ne_pci_lookup(&pa) == NULL) return -1; if (pci_mapreg_map(&pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &nict, &nich, NULL, NULL)) return -1; asict = nict; if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE2000_ASIC_NPORTS, &asich)) { bus_space_unmap(nict, nich, NE2000_NPORTS); return -1; } /* Enable card */ csr = pci_conf_read(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG); pci_conf_write(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG, csr | PCI_COMMAND_MASTER_ENABLE); ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt = nict; ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh = nich; ipkdb_softc.sc_ne2000.sc_asict = asict; ipkdb_softc.sc_ne2000.sc_asich = asich; kip->port = &ipkdb_softc; ipkdb_pc = pc; ipkdb_tag = pa.pa_tag; ne_kip = kip; if (ne2000_ipkdb_attach(kip) < 0) { bus_space_unmap(nict, nich, NE2000_NPORTS); return -1; } return 0; } #endif /* IPKDB_NE_PCI */