/*- * Copyright (C) 2001 Eduardo Horvath. * All rights reserved. * * * 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 AUTHOR ``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 AUTHOR 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. * * from: NetBSD: if_gem_pci.c,v 1.7 2001/10/18 15:09:15 thorpej Exp * */ #include __FBSDID("$FreeBSD$"); /* * PCI bindings for Sun GEM ethernet controllers. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "miibus_if.h" struct gem_pci_softc { struct gem_softc gsc_gem; /* GEM device */ struct resource *gsc_sres; int gsc_srid; struct resource *gsc_ires; int gsc_irid; void *gsc_ih; }; static int gem_pci_probe(device_t); static int gem_pci_attach(device_t); static int gem_pci_detach(device_t); static int gem_pci_suspend(device_t); static int gem_pci_resume(device_t); static device_method_t gem_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, gem_pci_probe), DEVMETHOD(device_attach, gem_pci_attach), DEVMETHOD(device_detach, gem_pci_detach), DEVMETHOD(device_suspend, gem_pci_suspend), DEVMETHOD(device_resume, gem_pci_resume), /* Use the suspend handler here, it is all that is required. */ DEVMETHOD(device_shutdown, gem_pci_suspend), /* bus interface */ DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_driver_added, bus_generic_driver_added), /* MII interface */ DEVMETHOD(miibus_readreg, gem_mii_readreg), DEVMETHOD(miibus_writereg, gem_mii_writereg), DEVMETHOD(miibus_statchg, gem_mii_statchg), { 0, 0 } }; static driver_t gem_pci_driver = { "gem", gem_pci_methods, sizeof(struct gem_pci_softc) }; DRIVER_MODULE(gem, pci, gem_pci_driver, gem_devclass, 0, 0); MODULE_DEPEND(gem, pci, 1, 1, 1); MODULE_DEPEND(gem, ether, 1, 1, 1); struct gem_pci_dev { u_int32_t gpd_devid; int gpd_variant; char *gpd_desc; } gem_pci_devlist[] = { { 0x1101108e, GEM_SUN_GEM, "Sun ERI 10/100 Ethernet Adaptor" }, { 0x2bad108e, GEM_SUN_GEM, "Sun GEM Gigabit Ethernet Adaptor" }, { 0x0021106b, GEM_APPLE_GMAC, "Apple GMAC Ethernet Adaptor" }, { 0x0024106b, GEM_APPLE_GMAC, "Apple GMAC2 Ethernet Adaptor" }, { 0x0032106b, GEM_APPLE_GMAC, "Apple GMAC3 Ethernet Adaptor" }, { 0, 0, NULL } }; /* * Attach routines need to be split out to different bus-specific files. */ static int gem_pci_probe(dev) device_t dev; { int i; u_int32_t devid; struct gem_pci_softc *gsc; devid = pci_get_devid(dev); for (i = 0; gem_pci_devlist[i].gpd_desc != NULL; i++) { if (devid == gem_pci_devlist[i].gpd_devid) { device_set_desc(dev, gem_pci_devlist[i].gpd_desc); gsc = device_get_softc(dev); gsc->gsc_gem.sc_variant = gem_pci_devlist[i].gpd_variant; return (BUS_PROBE_DEFAULT); } } return (ENXIO); } static int gem_pci_attach(dev) device_t dev; { struct gem_pci_softc *gsc = device_get_softc(dev); struct gem_softc *sc = &gsc->gsc_gem; pci_enable_busmaster(dev); /* * Some Sun GEMs/ERIs do have their intpin register bogusly set to 0, * although it should be 1. correct that. */ if (pci_get_intpin(dev) == 0) pci_set_intpin(dev, 1); sc->sc_dev = dev; sc->sc_pci = 1; /* XXX */ gsc->gsc_srid = PCI_GEM_BASEADDR; gsc->gsc_sres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &gsc->gsc_srid, RF_ACTIVE); if (gsc->gsc_sres == NULL) { device_printf(dev, "failed to allocate bus space resource\n"); return (ENXIO); } gsc->gsc_irid = 0; gsc->gsc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &gsc->gsc_irid, RF_SHAREABLE | RF_ACTIVE); if (gsc->gsc_ires == NULL) { device_printf(dev, "failed to allocate interrupt resource\n"); goto fail_sres; } sc->sc_bustag = rman_get_bustag(gsc->gsc_sres); sc->sc_h = rman_get_bushandle(gsc->gsc_sres); /* All platform that this driver is used on must provide this. */ OF_getetheraddr(dev, sc->sc_enaddr); /* * call the main configure */ if (gem_attach(sc) != 0) { device_printf(dev, "could not be configured\n"); goto fail_ires; } if (bus_setup_intr(dev, gsc->gsc_ires, INTR_TYPE_NET, gem_intr, sc, &gsc->gsc_ih) != 0) { device_printf(dev, "failed to set up interrupt\n"); gem_detach(sc); goto fail_ires; } return (0); fail_ires: bus_release_resource(dev, SYS_RES_IRQ, gsc->gsc_irid, gsc->gsc_ires); fail_sres: bus_release_resource(dev, SYS_RES_MEMORY, gsc->gsc_srid, gsc->gsc_sres); return (ENXIO); } static int gem_pci_detach(dev) device_t dev; { struct gem_pci_softc *gsc = device_get_softc(dev); struct gem_softc *sc = &gsc->gsc_gem; gem_detach(sc); bus_teardown_intr(dev, gsc->gsc_ires, gsc->gsc_ih); bus_release_resource(dev, SYS_RES_IRQ, gsc->gsc_irid, gsc->gsc_ires); bus_release_resource(dev, SYS_RES_MEMORY, gsc->gsc_srid, gsc->gsc_sres); return (0); } static int gem_pci_suspend(dev) device_t dev; { struct gem_pci_softc *gsc = device_get_softc(dev); struct gem_softc *sc = &gsc->gsc_gem; gem_suspend(sc); return (0); } static int gem_pci_resume(dev) device_t dev; { struct gem_pci_softc *gsc = device_get_softc(dev); struct gem_softc *sc = &gsc->gsc_gem; gem_resume(sc); return (0); }