if_vx_pci.c

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    1 /*-
    2  * Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp>
    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. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. Neither the name of the author nor the names of any co-contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  */
   29 
   30 #include <sys/cdefs.h>
   31 __FBSDID("$FreeBSD$");
   32 
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/kernel.h>
   36 #include <sys/module.h>
   37 #include <sys/socket.h>
   38 
   39 #include <net/ethernet.h>
   40 #include <net/if.h>
   41 #include <net/if_arp.h>
   42 
   43 #include <machine/bus.h>
   44 #include <machine/resource.h>
   45 #include <sys/bus.h>
   46 #include <sys/rman.h>
   47 
   48 #include <dev/pci/pcivar.h>
   49 #include <dev/pci/pcireg.h>
   50 
   51 #include <dev/vx/if_vxreg.h>
   52 #include <dev/vx/if_vxvar.h>
   53 
   54 static int vx_pci_shutdown(device_t);
   55 static int vx_pci_probe(device_t);
   56 static int vx_pci_attach(device_t);
   57 
   58 static device_method_t vx_methods[] = {
   59         /* Device interface */
   60         DEVMETHOD(device_probe, vx_pci_probe),
   61         DEVMETHOD(device_attach, vx_pci_attach),
   62         DEVMETHOD(device_shutdown, vx_pci_shutdown),
   63 
   64         {0, 0}
   65 };
   66 
   67 static driver_t vx_driver = {
   68         "vx",
   69         vx_methods,
   70         sizeof(struct vx_softc)
   71 };
   72 
   73 static devclass_t vx_devclass;
   74 
   75 DRIVER_MODULE(vx, pci, vx_driver, vx_devclass, 0, 0);
   76 MODULE_DEPEND(vx, pci, 1, 1, 1);
   77 MODULE_DEPEND(vx, ether, 1, 1, 1);
   78 
   79 static int
   80 vx_pci_shutdown(device_t dev)
   81 {
   82         struct vx_softc *sc;
   83 
   84         sc = device_get_softc(dev);
   85         VX_LOCK(sc);
   86         vx_stop(sc);
   87         VX_UNLOCK(sc);
   88 
   89         return (0);
   90 }
   91 
   92 static int
   93 vx_pci_probe(device_t dev)
   94 {
   95         u_int32_t device_id;
   96 
   97         device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
   98 
   99         if (device_id == 0x590010b7ul) {
  100                 device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
  101                 return (BUS_PROBE_DEFAULT);
  102         }
  103         if (device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
  104             device_id == 0x595210b7ul) {
  105                 device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
  106                 return (BUS_PROBE_DEFAULT);
  107         }
  108         /*
  109          * The (Fast) Etherlink XL adapters are now supported by
  110          * the xl driver, which uses bus master DMA and is much
  111          * faster. (And which also supports the 3c905B.
  112          */
  113         if (device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
  114                 device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
  115                 return (BUS_PROBE_LOW_PRIORITY);
  116         }
  117         if (device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
  118                 device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
  119                 return (BUS_PROBE_LOW_PRIORITY);
  120         }
  121         return (ENXIO);
  122 }
  123 
  124 static int
  125 vx_pci_attach(device_t dev)
  126 {
  127         struct vx_softc *sc;
  128         int rid;
  129 
  130         sc = device_get_softc(dev);
  131 
  132         rid = PCIR_BAR(0);
  133         sc->vx_res =
  134             bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
  135 
  136         if (sc->vx_res == NULL)
  137                 goto bad;
  138 
  139         sc->vx_bst = rman_get_bustag(sc->vx_res);
  140         sc->vx_bsh = rman_get_bushandle(sc->vx_res);
  141 
  142         rid = 0;
  143         sc->vx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
  144             RF_SHAREABLE | RF_ACTIVE);
  145 
  146         if (sc->vx_irq == NULL)
  147                 goto bad;
  148 
  149         if (vx_attach(dev) == 0)
  150                 goto bad;
  151 
  152         if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET | INTR_MPSAFE,
  153             NULL, vx_intr, sc, &sc->vx_intrhand))
  154                 goto bad_mtx;
  155 
  156         /* defect check for 3C590 */
  157         if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
  158                 GO_WINDOW(0);
  159                 if (vx_busy_eeprom(sc))
  160                         goto bad_mtx;
  161                 CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
  162                     EEPROM_CMD_RD | EEPROM_SOFTINFO2);
  163                 if (vx_busy_eeprom(sc))
  164                         goto bad_mtx;
  165                 if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY))
  166                         device_printf(dev,
  167                             "Warning! Defective early revision adapter!\n");
  168         }
  169         return (0);
  170 
  171 bad_mtx:
  172         mtx_destroy(&sc->vx_mtx);
  173         ether_ifdetach(sc->vx_ifp);
  174         if_free(sc->vx_ifp);
  175 bad:
  176         if (sc->vx_intrhand != NULL)
  177                 bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
  178         if (sc->vx_res != NULL)
  179                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
  180         if (sc->vx_irq != NULL)
  181                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
  182         return (ENXIO);
  183 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/vx/if_vx_pci.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/vx/if_vx_pci.c