/* $NetBSD: if_fxp_cardbus.c,v 1.52 2016/07/07 06:55:41 msaitoh Exp $ */ /* * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Johan Danielsson. * * 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. */ /* * CardBus front-end for the Intel i82557 family of Ethernet chips. */ #include __KERNEL_RCSID(0, "$NetBSD: if_fxp_cardbus.c,v 1.52 2016/07/07 06:55:41 msaitoh Exp $"); #include "opt_inet.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #endif #include #include #include #include #include #include #include #include #include #include static int fxp_cardbus_match(device_t, cfdata_t, void *); static void fxp_cardbus_attach(device_t, device_t, void *); static int fxp_cardbus_detach(device_t, int); static void fxp_cardbus_setup(struct fxp_softc *); static int fxp_cardbus_enable(struct fxp_softc *); static void fxp_cardbus_disable(struct fxp_softc *); struct fxp_cardbus_softc { struct fxp_softc sc; cardbus_devfunc_t ct; pcitag_t tag; pcireg_t base0_reg; pcireg_t base1_reg; }; CFATTACH_DECL3_NEW(fxp_cardbus, sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach, fxp_cardbus_detach, fxp_activate, NULL, null_childdetached, DVF_DETACH_SHUTDOWN); #ifdef CBB_DEBUG #define DPRINTF(X) printf X #else #define DPRINTF(X) #endif static int fxp_cardbus_match(device_t parent, cfdata_t match, void *aux) { struct cardbus_attach_args *ca = aux; if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_INTEL && PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_INTEL_8255X) return (1); return (0); } static void fxp_cardbus_attach(device_t parent, device_t self, void *aux) { struct fxp_cardbus_softc *csc = device_private(self); struct fxp_softc *sc = &csc->sc; struct cardbus_attach_args *ca = aux; bus_space_tag_t iot, memt; bus_space_handle_t ioh, memh; bus_addr_t adr; sc->sc_dev = self; csc->ct = ca->ca_ct; csc->tag = ca->ca_tag; /* * Map control/status registers. */ if (Cardbus_mapreg_map(csc->ct, PCI_BAR1, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &sc->sc_size) == 0) { csc->base1_reg = adr | 1; sc->sc_st = iot; sc->sc_sh = ioh; } else if (Cardbus_mapreg_map(csc->ct, PCI_BAR0, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &memt, &memh, &adr, &sc->sc_size) == 0) { csc->base0_reg = adr; sc->sc_st = memt; sc->sc_sh = memh; } else panic("%s: failed to allocate mem and io space", __func__); if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1]) printf(": %s %s\n", ca->ca_cis.cis1_info[0], ca->ca_cis.cis1_info[1]); else printf("\n"); sc->sc_rev = PCI_REVISION(ca->ca_class); if (sc->sc_rev >= FXP_REV_82558_A4) sc->sc_flags |= FXPF_FC|FXPF_EXT_TXCB; if (sc->sc_rev >= FXP_REV_82559_A0) sc->sc_flags |= FXPF_82559_RXCSUM; if (sc->sc_rev >= FXP_REV_82550) { sc->sc_flags &= ~FXPF_82559_RXCSUM; sc->sc_flags |= FXPF_EXT_RFA; } sc->sc_dmat = ca->ca_dmat; sc->sc_enable = fxp_cardbus_enable; sc->sc_disable = fxp_cardbus_disable; sc->sc_enabled = 0; fxp_enable(sc); fxp_attach(sc); fxp_disable(sc); if (pmf_device_register(self, NULL, NULL)) pmf_class_network_register(self, &sc->sc_ethercom.ec_if); else aprint_error_dev(self, "couldn't establish power handler\n"); } static void fxp_cardbus_setup(struct fxp_softc * sc) { struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; pcireg_t command; pcitag_t tag = csc->tag; command = Cardbus_conf_read(csc->ct, tag, PCI_COMMAND_STATUS_REG); if (csc->base0_reg) { Cardbus_conf_write(csc->ct, tag, PCI_BAR0, csc->base0_reg); command |= PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE; } else if (csc->base1_reg) { Cardbus_conf_write(csc->ct, tag, PCI_BAR1, csc->base1_reg); command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MASTER_ENABLE; } /* enable the card */ Cardbus_conf_write(csc->ct, tag, PCI_COMMAND_STATUS_REG, command); } static int fxp_cardbus_enable(struct fxp_softc * sc) { struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; cardbus_devfunc_t ct = csc->ct; Cardbus_function_enable(csc->ct); fxp_cardbus_setup(sc); /* Map and establish the interrupt. */ sc->sc_ih = Cardbus_intr_establish(ct, IPL_NET, fxp_intr, sc); if (NULL == sc->sc_ih) { aprint_error_dev(sc->sc_dev, "couldn't establish interrupt\n"); return 1; } return 0; } static void fxp_cardbus_disable(struct fxp_softc * sc) { struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; cardbus_devfunc_t ct = csc->ct; /* Remove interrupt handler. */ Cardbus_intr_disestablish(ct, sc->sc_ih); Cardbus_function_disable(csc->ct); } static int fxp_cardbus_detach(device_t self, int flags) { struct fxp_cardbus_softc *csc = device_private(self); struct fxp_softc *sc = &csc->sc; struct cardbus_devfunc *ct = csc->ct; int rv, reg; #ifdef DIAGNOSTIC if (ct == NULL) panic("%s: data structure lacks", device_xname(self)); #endif if ((rv = fxp_detach(sc, flags)) != 0) return rv; /* * Unhook the interrupt handler. */ Cardbus_intr_disestablish(ct, sc->sc_ih); /* * release bus space and close window */ if (csc->base0_reg) reg = PCI_BAR0; else reg = PCI_BAR1; Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, sc->sc_size); return 0; }