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 void 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 void
   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 
   90 static int
   91 vx_pci_probe(device_t dev)
   92 {
   93         u_int32_t device_id;
   94 
   95         device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
   96 
   97         if (device_id == 0x590010b7ul) {
   98                 device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
   99                 return (BUS_PROBE_DEFAULT);
  100         }
  101         if (device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
  102             device_id == 0x595210b7ul) {
  103                 device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
  104                 return (BUS_PROBE_DEFAULT);
  105         }
  106         /*
  107          * The (Fast) Etherlink XL adapters are now supported by
  108          * the xl driver, which uses bus master DMA and is much
  109          * faster. (And which also supports the 3c905B.
  110          */
  111         if (device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
  112                 device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
  113                 return (BUS_PROBE_LOW_PRIORITY);
  114         }
  115         if (device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
  116                 device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
  117                 return (BUS_PROBE_LOW_PRIORITY);
  118         }
  119         return (ENXIO);
  120 }
  121 
  122 static int
  123 vx_pci_attach(device_t dev)
  124 {
  125         struct vx_softc *sc;
  126         int rid;
  127 
  128         sc = device_get_softc(dev);
  129 
  130         rid = PCIR_BAR(0);
  131         sc->vx_res =
  132             bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
  133 
  134         if (sc->vx_res == NULL)
  135                 goto bad;
  136 
  137         sc->vx_bst = rman_get_bustag(sc->vx_res);
  138         sc->vx_bsh = rman_get_bushandle(sc->vx_res);
  139 
  140         rid = 0;
  141         sc->vx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
  142             RF_SHAREABLE | RF_ACTIVE);
  143 
  144         if (sc->vx_irq == NULL)
  145                 goto bad;
  146 
  147         if (vx_attach(dev) == 0)
  148                 goto bad;
  149 
  150         if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET | INTR_MPSAFE,
  151             NULL, vx_intr, sc, &sc->vx_intrhand))
  152                 goto bad_mtx;
  153 
  154         /* defect check for 3C590 */
  155         if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
  156                 GO_WINDOW(0);
  157                 if (vx_busy_eeprom(sc))
  158                         goto bad_mtx;
  159                 CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
  160                     EEPROM_CMD_RD | EEPROM_SOFTINFO2);
  161                 if (vx_busy_eeprom(sc))
  162                         goto bad_mtx;
  163                 if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY))
  164                         device_printf(dev,
  165                             "Warning! Defective early revision adapter!\n");
  166         }
  167         return (0);
  168 
  169 bad_mtx:
  170         mtx_destroy(&sc->vx_mtx);
  171         ether_ifdetach(sc->vx_ifp);
  172         if_free(sc->vx_ifp);
  173 bad:
  174         if (sc->vx_intrhand != NULL)
  175                 bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
  176         if (sc->vx_res != NULL)
  177                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
  178         if (sc->vx_irq != NULL)
  179                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
  180         return (ENXIO);
  181 }

Cache object: f31a8cc5088d0de92e93247c0966316e

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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