Current Path : /sys/dev/sbni/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/sbni/if_sbni_pci.c |
/*- * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved. * Author: Denis I.Timofeev <timofeev@granch.ru> * * Redistributon 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 unmodified, 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 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 AUTHOR 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 NEIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/sbni/if_sbni_pci.c 180263 2008-07-04 20:53:41Z jhb $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/socket.h> #include <sys/bus.h> #include <sys/kernel.h> #include <sys/module.h> #include <machine/bus.h> #include <machine/resource.h> #include <sys/rman.h> #include <sys/malloc.h> #include <net/if.h> #include <net/ethernet.h> #include <net/if_arp.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <dev/sbni/if_sbnireg.h> #include <dev/sbni/if_sbnivar.h> static int sbni_pci_probe(device_t); static int sbni_pci_attach(device_t); static int sbni_pci_detach(device_t); static device_method_t sbni_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, sbni_pci_probe), DEVMETHOD(device_attach, sbni_pci_attach), DEVMETHOD(device_detach, sbni_pci_detach), { 0, 0 } }; static driver_t sbni_pci_driver = { "sbni", sbni_pci_methods, sizeof(struct sbni_softc) }; static devclass_t sbni_pci_devclass; DRIVER_MODULE(sbni, pci, sbni_pci_driver, sbni_pci_devclass, 0, 0); MODULE_DEPEND(sbni, pci, 1, 1, 1); static int sbni_pci_probe(device_t dev) { struct sbni_softc *sc; u_int32_t ports; ports = SBNI_PORTS; if (pci_get_vendor(dev) != SBNI_PCI_VENDOR || pci_get_device(dev) != SBNI_PCI_DEVICE) return (ENXIO); sc = device_get_softc(dev); if (pci_get_subdevice(dev) == 2) { ports <<= 1; sc->slave_sc = malloc(sizeof(struct sbni_softc), M_DEVBUF, M_NOWAIT | M_ZERO); if (!sc->slave_sc) return (ENOMEM); device_set_desc(dev, "Granch SBNI12/PCI Dual adapter"); } else device_set_desc(dev, "Granch SBNI12/PCI adapter"); sc->io_rid = PCIR_BAR(0); sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid, 0ul, ~0ul, ports, RF_ACTIVE); if (!sc->io_res) { device_printf(dev, "cannot allocate io ports!\n"); if (sc->slave_sc) free(sc->slave_sc, M_DEVBUF); return (ENOENT); } if (sc->slave_sc) { sc->slave_sc->io_res = sc->io_res; sc->slave_sc->io_off = 4; } if (sbni_probe(sc) != 0) { sbni_release_resources(sc); if (sc->slave_sc) free(sc->slave_sc, M_DEVBUF); return (ENXIO); } return (0); } static int sbni_pci_attach(device_t dev) { struct sbni_softc *sc; struct sbni_flags flags; int error; sc = device_get_softc(dev); sc->dev = dev; sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, RF_SHAREABLE); if (sc->irq_res == NULL) { device_printf(dev, "cannot claim irq!\n"); error = ENOENT; goto attach_failed; } *(u_int32_t*)&flags = 0; error = sbni_attach(sc, device_get_unit(dev) * 2, flags); if (error) { device_printf(dev, "cannot initialize driver\n"); goto attach_failed; } if (sc->slave_sc) { error = sbni_attach(sc->slave_sc, device_get_unit(dev) * 2 + 1, flags); if (error) { device_printf(dev, "cannot initialize slave\n"); sbni_detach(sc); goto attach_failed; } } if (sc->irq_res) { error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE, NULL, sbni_intr, sc, &sc->irq_handle); if (error) { device_printf(dev, "bus_setup_intr\n"); sbni_detach(sc); if (sc->slave_sc) sbni_detach(sc); goto attach_failed; } } return (0); attach_failed: sbni_release_resources(sc); if (sc->slave_sc) free(sc->slave_sc, M_DEVBUF); return (error); } static int sbni_pci_detach(device_t dev) { struct sbni_softc *sc; sc = device_get_softc(dev); sbni_detach(sc); if (sc->slave_sc) sbni_detach(sc); sbni_release_resources(sc); if (sc->slave_sc) free(sc->slave_sc, M_DEVBUF); return (0); }