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: releng/6.0/sys/dev/vx/if_vx_pci.c 146734 2005-05-29 04:42:30Z nyan $");
   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/if.h>
   40 #include <net/if_arp.h>
   41 
   42 #include <machine/bus.h>
   43 #include <machine/resource.h>
   44 #include <sys/bus.h>
   45 #include <sys/rman.h>
   46 
   47 #include <dev/pci/pcivar.h>
   48 #include <dev/pci/pcireg.h>
   49 
   50 #include <dev/vx/if_vxreg.h>
   51 #include <dev/vx/if_vxvar.h>
   52 
   53 static void vx_pci_shutdown(device_t);
   54 static int vx_pci_probe(device_t);
   55 static int vx_pci_attach(device_t);
   56 
   57 static device_method_t vx_methods[] = {
   58         /* Device interface */
   59         DEVMETHOD(device_probe, vx_pci_probe),
   60         DEVMETHOD(device_attach, vx_pci_attach),
   61         DEVMETHOD(device_shutdown, vx_pci_shutdown),
   62 
   63         {0, 0}
   64 };
   65 
   66 static driver_t vx_driver = {
   67         "vx",
   68         vx_methods,
   69         sizeof(struct vx_softc)
   70 };
   71 
   72 static devclass_t vx_devclass;
   73 
   74 DRIVER_MODULE(vx, pci, vx_driver, vx_devclass, 0, 0);
   75 MODULE_DEPEND(vx, pci, 1, 1, 1);
   76 MODULE_DEPEND(vx, ether, 1, 1, 1);
   77 
   78 static void
   79 vx_pci_shutdown(device_t dev)
   80 {
   81         struct vx_softc *sc;
   82 
   83         sc = device_get_softc(dev);
   84         vxstop(sc);
   85 }
   86 
   87 static int
   88 vx_pci_probe(device_t dev)
   89 {
   90         u_int32_t device_id;
   91 
   92         device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
   93 
   94         if (device_id == 0x590010b7ul) {
   95                 device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
   96                 return (BUS_PROBE_DEFAULT);
   97         }
   98         if (device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
   99             device_id == 0x595210b7ul) {
  100                 device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
  101                 return (BUS_PROBE_DEFAULT);
  102         }
  103         /*
  104          * The (Fast) Etherlink XL adapters are now supported by
  105          * the xl driver, which uses bus master DMA and is much
  106          * faster. (And which also supports the 3c905B.
  107          */
  108         if (device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
  109                 device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
  110                 return (BUS_PROBE_LOW_PRIORITY);
  111         }
  112         if (device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
  113                 device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
  114                 return (BUS_PROBE_LOW_PRIORITY);
  115         }
  116         return (ENXIO);
  117 }
  118 
  119 static int
  120 vx_pci_attach(device_t dev)
  121 {
  122         struct vx_softc *sc;
  123         int rid;
  124 
  125         sc = device_get_softc(dev);
  126 
  127         rid = PCIR_BAR(0);
  128         sc->vx_res =
  129             bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
  130 
  131         if (sc->vx_res == NULL)
  132                 goto bad;
  133 
  134         sc->bst = rman_get_bustag(sc->vx_res);
  135         sc->bsh = rman_get_bushandle(sc->vx_res);
  136 
  137         rid = 0;
  138         sc->vx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
  139             RF_SHAREABLE | RF_ACTIVE);
  140 
  141         if (sc->vx_irq == NULL)
  142                 goto bad;
  143 
  144         if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET,
  145             vxintr, sc, &sc->vx_intrhand))
  146                 goto bad;
  147 
  148         if (vxattach(dev) == 0)
  149                 goto bad;
  150 
  151         /* defect check for 3C590 */
  152         if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
  153                 GO_WINDOW(0);
  154                 if (vxbusyeeprom(sc))
  155                         goto bad;
  156                 CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
  157                     EEPROM_CMD_RD | EEPROM_SOFTINFO2);
  158                 if (vxbusyeeprom(sc))
  159                         goto bad;
  160                 if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY))
  161                         printf("Warning! Defective early revision adapter!\n");
  162         }
  163         return (0);
  164 
  165 bad:
  166         if (sc->vx_intrhand != NULL)
  167                 bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
  168         if (sc->vx_res != NULL)
  169                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
  170         if (sc->vx_irq != NULL)
  171                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
  172         return (ENXIO);
  173 }

Cache object: 369c5503aaa156837049c26fc97b4db5

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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