/* $NetBSD: if_fxp_cardbus.c,v 1.34 2008/07/09 17:07:28 joerg 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 <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: if_fxp_cardbus.c,v 1.34 2008/07/09 17:07:28 joerg Exp $"); #include "opt_inet.h" #include "bpfilter.h" #include "rnd.h" #include <sys/param.h> #include <sys/systm.h> #include <sys/mbuf.h> #include <sys/malloc.h> #include <sys/kernel.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <sys/errno.h> #include <sys/device.h> #if NRND > 0 #include <sys/rnd.h> #endif #include <net/if.h> #include <net/if_dl.h> #include <net/if_media.h> #include <net/if_ether.h> #include <machine/endian.h> #if NBPFILTER > 0 #include <net/bpf.h> #endif #ifdef INET #include <netinet/in.h> #include <netinet/if_inarp.h> #endif #include <sys/bus.h> #include <sys/intr.h> #include <dev/mii/miivar.h> #include <dev/ic/i82557reg.h> #include <dev/ic/i82557var.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcidevs.h> #include <dev/cardbus/cardbusvar.h> #include <dev/pci/pcidevs.h> 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; pcireg_t base0_reg; pcireg_t base1_reg; bus_size_t size; }; CFATTACH_DECL_NEW(fxp_cardbus, sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach, fxp_cardbus_detach, fxp_activate); #ifdef CBB_DEBUG #define DPRINTF(X) printf X #else #define DPRINTF(X) #endif static int fxp_cardbus_match(struct device *parent, struct cfdata *match, void *aux) { struct cardbus_attach_args *ca = aux; if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_INTEL && CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_INTEL_82557) return (1); return (0); } static void fxp_cardbus_attach(struct device *parent, struct device *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; bus_size_t size; sc->sc_dev = self; csc->ct = ca->ca_ct; /* * Map control/status registers. */ if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) { csc->base1_reg = adr | 1; sc->sc_st = iot; sc->sc_sh = ioh; csc->size = size; } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &memt, &memh, &adr, &size) == 0) { csc->base0_reg = adr; sc->sc_st = memt; sc->sc_sh = memh; csc->size = size; } 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_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)) aprint_error_dev(self, "couldn't establish power handler\n"); else pmf_class_network_register(self, &sc->sc_ethercom.ec_if); } static void fxp_cardbus_setup(struct fxp_softc * sc) { struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; struct cardbus_softc *psc = device_private(device_parent(sc->sc_dev)); cardbus_chipset_tag_t cc = psc->sc_cc; cardbus_function_tag_t cf = psc->sc_cf; pcireg_t command; cardbustag_t tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus, csc->ct->ct_func); command = Cardbus_conf_read(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG); if (csc->base0_reg) { Cardbus_conf_write(csc->ct, tag, CARDBUS_BASE0_REG, csc->base0_reg); (cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE); command |= CARDBUS_COMMAND_MEM_ENABLE | CARDBUS_COMMAND_MASTER_ENABLE; } else if (csc->base1_reg) { Cardbus_conf_write(csc->ct, tag, CARDBUS_BASE1_REG, csc->base1_reg); (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE); command |= (CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MASTER_ENABLE); } (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE); /* enable the card */ Cardbus_conf_write(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG, command); } static int fxp_cardbus_enable(struct fxp_softc * sc) { struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; struct cardbus_softc *psc = device_private(device_parent(sc->sc_dev)); cardbus_chipset_tag_t cc = psc->sc_cc; cardbus_function_tag_t cf = psc->sc_cf; Cardbus_function_enable(csc->ct); fxp_cardbus_setup(sc); /* Map and establish the interrupt. */ sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, 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; struct cardbus_softc *psc = device_private(device_parent(sc->sc_dev)); cardbus_chipset_tag_t cc = psc->sc_cc; cardbus_function_tag_t cf = psc->sc_cf; /* Remove interrupt handler. */ cardbus_intr_disestablish(cc, cf, 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 rv = fxp_detach(sc); if (rv == 0) { /* * Unhook the interrupt handler. */ cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih); /* * release bus space and close window */ if (csc->base0_reg) reg = CARDBUS_BASE0_REG; else reg = CARDBUS_BASE1_REG; Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size); } return (rv); }