Current Path : /sys/dev/pdq/ |
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/pdq/if_fpa.c |
/*- * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com> * 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. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * 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. * * */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/pdq/if_fpa.c 199542 2009-11-19 19:25:47Z jhb $"); /* * DEC PDQ FDDI Controller; code for BSD derived operating systems * * This module supports the DEC DEFPA PCI FDDI Controller */ #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/socket.h> #include <sys/module.h> #include <sys/bus.h> #include <machine/bus.h> #include <machine/resource.h> #include <sys/rman.h> #include <net/if.h> #include <net/if_media.h> #include <net/fddi.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <dev/pdq/pdq_freebsd.h> #include <dev/pdq/pdqreg.h> #define DEC_VENDORID 0x1011 #define DEFPA_CHIPID 0x000F #define DEFPA_LATENCY 0x88 #define PCI_CFLT 0x0C /* Configuration Latency */ #define PCI_CBMA 0x10 /* Configuration Base Memory Address */ #define PCI_CBIO 0x14 /* Configuration Base I/O Address */ static int pdq_pci_probe (device_t); static int pdq_pci_attach (device_t); static int pdq_pci_detach (device_t); static int pdq_pci_shutdown (device_t); static void pdq_pci_ifintr (void *); static void pdq_pci_ifintr(void *arg) { pdq_softc_t *sc; sc = arg; PDQ_LOCK(sc); (void) pdq_interrupt(sc->sc_pdq); PDQ_UNLOCK(sc); return; } /* * This is the PCI configuration support. */ static int pdq_pci_probe(device_t dev) { if (pci_get_vendor(dev) == DEC_VENDORID && pci_get_device(dev) == DEFPA_CHIPID) { device_set_desc(dev, "Digital DEFPA PCI FDDI Controller"); return (BUS_PROBE_DEFAULT); } return (ENXIO); } static int pdq_pci_attach(device_t dev) { pdq_softc_t *sc; u_int32_t command; int error; sc = device_get_softc(dev); sc->dev = dev; /* * Map control/status registers. */ pci_enable_busmaster(dev); command = pci_read_config(dev, PCIR_LATTIMER, 1); if (command < DEFPA_LATENCY) { command = DEFPA_LATENCY; pci_write_config(dev, PCIR_LATTIMER, command, 1); } sc->mem_rid = PCI_CBMA; sc->mem_type = SYS_RES_MEMORY; sc->mem = bus_alloc_resource_any(dev, sc->mem_type, &sc->mem_rid, RF_ACTIVE); if (!sc->mem) { device_printf(dev, "Unable to allocate I/O space resource.\n"); error = ENXIO; goto bad; } sc->mem_bsh = rman_get_bushandle(sc->mem); sc->mem_bst = rman_get_bustag(sc->mem); sc->irq_rid = 0; sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, RF_SHAREABLE | RF_ACTIVE); if (!sc->irq) { device_printf(dev, "Unable to allocate interrupt resource.\n"); error = ENXIO; goto bad; } error = pdq_ifattach(sc, sc->sc_pdq->pdq_hwaddr.lanaddr_bytes, PDQ_DEFPA); if (error) goto bad; error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, NULL, pdq_pci_ifintr, sc, &sc->irq_ih); if (error) { device_printf(dev, "Failed to setup interrupt handler.\n"); pdq_ifdetach(sc); return (error); } return (0); bad: pdq_free(dev); return (error); } static int pdq_pci_detach (dev) device_t dev; { pdq_softc_t *sc; sc = device_get_softc(dev); pdq_ifdetach(sc); return (0); } static int pdq_pci_shutdown(device_t dev) { pdq_softc_t *sc; sc = device_get_softc(dev); PDQ_LOCK(sc); pdq_hwreset(sc->sc_pdq); PDQ_UNLOCK(sc); return (0); } static device_method_t pdq_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, pdq_pci_probe), DEVMETHOD(device_attach, pdq_pci_attach), DEVMETHOD(device_detach, pdq_pci_detach), DEVMETHOD(device_shutdown, pdq_pci_shutdown), { 0, 0 } }; static driver_t pdq_pci_driver = { "fpa", pdq_pci_methods, sizeof(pdq_softc_t), }; DRIVER_MODULE(fpa, pci, pdq_pci_driver, pdq_devclass, 0, 0); MODULE_DEPEND(fpa, pci, 1, 1, 1); MODULE_DEPEND(fpa, fddi, 1, 1, 1);