The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/pdq/if_fpa.c

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. The name of the author may not be used to endorse or promote products
   11  *    derived from this software without specific prior written permission
   12  *
   13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   23  *
   24  *
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD$");
   29 
   30 /*
   31  * DEC PDQ FDDI Controller; code for BSD derived operating systems
   32  *
   33  *   This module supports the DEC DEFPA PCI FDDI Controller
   34  */
   35 
   36 #include <sys/param.h>
   37 #include <sys/systm.h>
   38 #include <sys/kernel.h>
   39 #include <sys/socket.h>
   40 
   41 #include <sys/module.h>
   42 #include <sys/bus.h>
   43 
   44 #include <machine/bus.h>
   45 #include <machine/resource.h>
   46 #include <sys/rman.h> 
   47 
   48 #include <net/if.h>
   49 #include <net/if_media.h> 
   50 #include <net/fddi.h>
   51 
   52 #include <dev/pci/pcivar.h>
   53 #include <dev/pci/pcireg.h>
   54 
   55 #include <dev/pdq/pdq_freebsd.h>
   56 #include <dev/pdq/pdqreg.h>
   57 
   58 #define DEC_VENDORID            0x1011
   59 #define DEFPA_CHIPID            0x000F
   60 
   61 #define DEFPA_LATENCY   0x88
   62 
   63 #define PCI_CFLT        0x0C    /* Configuration Latency */
   64 #define PCI_CBMA        0x10    /* Configuration Base Memory Address */
   65 #define PCI_CBIO        0x14    /* Configuration Base I/O Address */
   66 
   67 static int      pdq_pci_probe           (device_t);
   68 static int      pdq_pci_attach          (device_t);
   69 static int      pdq_pci_detach          (device_t);
   70 static void     pdq_pci_shutdown        (device_t);
   71 static void     pdq_pci_ifintr          (void *);
   72 
   73 static void
   74 pdq_pci_ifintr(void *arg)
   75 {
   76     device_t dev;
   77     pdq_softc_t *sc;
   78 
   79     dev = (device_t)arg;
   80     sc = device_get_softc(dev);
   81 
   82     PDQ_LOCK(sc);
   83     (void) pdq_interrupt(sc->sc_pdq);
   84     PDQ_UNLOCK(sc);
   85 
   86     return;
   87 }
   88 
   89 /*
   90  * This is the PCI configuration support.
   91  */
   92 static int
   93 pdq_pci_probe(device_t dev)
   94 {
   95     if (pci_get_vendor(dev) == DEC_VENDORID &&
   96             pci_get_device(dev) == DEFPA_CHIPID) {
   97         device_set_desc(dev, "Digital DEFPA PCI FDDI Controller");
   98         return (BUS_PROBE_DEFAULT);
   99     }
  100 
  101     return (ENXIO);
  102 }
  103 
  104 static int
  105 pdq_pci_attach(device_t dev)
  106 {
  107     pdq_softc_t *sc;
  108     struct ifnet *ifp;
  109     u_int32_t command;
  110     int error;
  111 
  112     sc = device_get_softc(dev);
  113     ifp = sc->ifp;
  114 
  115     sc->dev = dev;
  116 
  117     /*
  118      * Map control/status registers.
  119      */
  120     pci_enable_busmaster(dev);
  121 
  122     command = pci_read_config(dev, PCIR_LATTIMER, 1);
  123     if (command < DEFPA_LATENCY) {
  124         command = DEFPA_LATENCY;
  125         pci_write_config(dev, PCIR_LATTIMER, command, 1);
  126     }
  127 
  128     sc->mem_rid = PCI_CBMA;
  129     sc->mem_type = SYS_RES_MEMORY;
  130     sc->mem = bus_alloc_resource_any(dev, sc->mem_type, &sc->mem_rid,
  131                                      RF_ACTIVE);
  132     if (!sc->mem) {
  133         device_printf(dev, "Unable to allocate I/O space resource.\n");
  134         error = ENXIO;
  135         goto bad;
  136     }
  137     sc->mem_bsh = rman_get_bushandle(sc->mem);
  138     sc->mem_bst = rman_get_bustag(sc->mem);
  139 
  140     sc->irq_rid = 0;
  141     sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
  142                                      RF_SHAREABLE | RF_ACTIVE);
  143     if (!sc->irq) {
  144         device_printf(dev, "Unable to allocate interrupt resource.\n");
  145         error = ENXIO;
  146         goto bad;
  147     }
  148 
  149     if_initname(ifp, device_get_name(dev), device_get_unit(dev));
  150 
  151     sc->sc_pdq = pdq_initialize(sc->mem_bst, sc->mem_bsh,
  152                                 ifp->if_xname, -1,
  153                                 (void *)sc, PDQ_DEFPA);
  154     if (sc->sc_pdq == NULL) {
  155         device_printf(dev, "Initialization failed.\n");
  156         error = ENXIO;
  157         goto bad;
  158     }
  159 
  160     error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, NULL,
  161                            pdq_pci_ifintr, dev, &sc->irq_ih);
  162     if (error) {
  163         device_printf(dev, "Failed to setup interrupt handler.\n");
  164         error = ENXIO;
  165         goto bad;
  166     }
  167 
  168     pdq_ifattach(sc, sc->sc_pdq->pdq_hwaddr.lanaddr_bytes);
  169 
  170     return (0);
  171 bad:
  172     pdq_free(dev);
  173     return (error);
  174 }
  175 
  176 static int
  177 pdq_pci_detach (dev)
  178     device_t    dev;
  179 {
  180     pdq_softc_t *sc;
  181 
  182     sc = device_get_softc(dev);
  183     pdq_ifdetach(sc);
  184 
  185     return (0);
  186 }
  187 
  188 static void
  189 pdq_pci_shutdown(device_t dev)
  190 {
  191     pdq_softc_t *sc;
  192 
  193     sc = device_get_softc(dev);
  194     pdq_hwreset(sc->sc_pdq);
  195 
  196     return;
  197 }
  198 
  199 static device_method_t pdq_pci_methods[] = {
  200     /* Device interface */
  201     DEVMETHOD(device_probe,     pdq_pci_probe),
  202     DEVMETHOD(device_attach,    pdq_pci_attach),
  203     DEVMETHOD(device_detach,    pdq_pci_detach),
  204     DEVMETHOD(device_shutdown,  pdq_pci_shutdown),
  205 
  206     { 0, 0 }
  207 };
  208 
  209 static driver_t pdq_pci_driver = {
  210     "fpa",
  211     pdq_pci_methods,
  212     sizeof(pdq_softc_t),
  213 };
  214 
  215 DRIVER_MODULE(fpa, pci, pdq_pci_driver, pdq_devclass, 0, 0);
  216 MODULE_DEPEND(fpa, pci, 1, 1, 1);
  217 MODULE_DEPEND(fpa, fddi, 1, 1, 1);

Cache object: de23cf00c5bda0aa60ad9dd27d07b137


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.