if_vx_pci.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp>
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the author nor the names of any co-contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  */
   31 
   32 #include <sys/cdefs.h>
   33 __FBSDID("$FreeBSD$");
   34 
   35 #include <sys/param.h>
   36 #include <sys/systm.h>
   37 #include <sys/kernel.h>
   38 #include <sys/module.h>
   39 #include <sys/socket.h>
   40 
   41 #include <net/ethernet.h>
   42 #include <net/if.h>
   43 #include <net/if_var.h>
   44 #include <net/if_arp.h>
   45 
   46 #include <machine/bus.h>
   47 #include <machine/resource.h>
   48 #include <sys/bus.h>
   49 #include <sys/rman.h>
   50 
   51 #include <dev/pci/pcivar.h>
   52 #include <dev/pci/pcireg.h>
   53 
   54 #include <dev/vx/if_vxreg.h>
   55 #include <dev/vx/if_vxvar.h>
   56 
   57 static int vx_pci_shutdown(device_t);
   58 static int vx_pci_probe(device_t);
   59 static int vx_pci_attach(device_t);
   60 
   61 static device_method_t vx_methods[] = {
   62         /* Device interface */
   63         DEVMETHOD(device_probe, vx_pci_probe),
   64         DEVMETHOD(device_attach, vx_pci_attach),
   65         DEVMETHOD(device_shutdown, vx_pci_shutdown),
   66 
   67         DEVMETHOD_END
   68 };
   69 
   70 static driver_t vx_driver = {
   71         "vx",
   72         vx_methods,
   73         sizeof(struct vx_softc)
   74 };
   75 
   76 static devclass_t vx_devclass;
   77 
   78 DRIVER_MODULE(vx, pci, vx_driver, vx_devclass, 0, 0);
   79 MODULE_DEPEND(vx, pci, 1, 1, 1);
   80 MODULE_DEPEND(vx, ether, 1, 1, 1);
   81 
   82 static int
   83 vx_pci_shutdown(device_t dev)
   84 {
   85         struct vx_softc *sc;
   86 
   87         sc = device_get_softc(dev);
   88         VX_LOCK(sc);
   89         vx_stop(sc);
   90         VX_UNLOCK(sc);
   91 
   92         return (0);
   93 }
   94 
   95 static int
   96 vx_pci_probe(device_t dev)
   97 {
   98         u_int32_t device_id;
   99 
  100         device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
  101 
  102         if (device_id == 0x590010b7ul) {
  103                 device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
  104                 return (BUS_PROBE_DEFAULT);
  105         }
  106         if (device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
  107             device_id == 0x595210b7ul) {
  108                 device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
  109                 return (BUS_PROBE_DEFAULT);
  110         }
  111         /*
  112          * The (Fast) Etherlink XL adapters are now supported by
  113          * the xl driver, which uses bus master DMA and is much
  114          * faster. (And which also supports the 3c905B.
  115          */
  116         if (device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
  117                 device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
  118                 return (BUS_PROBE_LOW_PRIORITY);
  119         }
  120         if (device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
  121                 device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
  122                 return (BUS_PROBE_LOW_PRIORITY);
  123         }
  124         return (ENXIO);
  125 }
  126 
  127 static int
  128 vx_pci_attach(device_t dev)
  129 {
  130         struct vx_softc *sc;
  131         int rid;
  132 
  133         sc = device_get_softc(dev);
  134 
  135         rid = PCIR_BAR(0);
  136         sc->vx_res =
  137             bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
  138 
  139         if (sc->vx_res == NULL)
  140                 goto bad;
  141 
  142         sc->vx_bst = rman_get_bustag(sc->vx_res);
  143         sc->vx_bsh = rman_get_bushandle(sc->vx_res);
  144 
  145         rid = 0;
  146         sc->vx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
  147             RF_SHAREABLE | RF_ACTIVE);
  148 
  149         if (sc->vx_irq == NULL)
  150                 goto bad;
  151 
  152         if (vx_attach(dev) == 0)
  153                 goto bad;
  154 
  155         if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET | INTR_MPSAFE,
  156             NULL, vx_intr, sc, &sc->vx_intrhand))
  157                 goto bad_mtx;
  158 
  159         /* defect check for 3C590 */
  160         if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
  161                 GO_WINDOW(0);
  162                 if (vx_busy_eeprom(sc))
  163                         goto bad_mtx;
  164                 CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
  165                     EEPROM_CMD_RD | EEPROM_SOFTINFO2);
  166                 if (vx_busy_eeprom(sc))
  167                         goto bad_mtx;
  168                 if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY))
  169                         device_printf(dev,
  170                             "Warning! Defective early revision adapter!\n");
  171         }
  172         return (0);
  173 
  174 bad_mtx:
  175         mtx_destroy(&sc->vx_mtx);
  176         ether_ifdetach(sc->vx_ifp);
  177         if_free(sc->vx_ifp);
  178 bad:
  179         if (sc->vx_intrhand != NULL)
  180                 bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
  181         if (sc->vx_res != NULL)
  182                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
  183         if (sc->vx_irq != NULL)
  184                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
  185         return (ENXIO);
  186 }

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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