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


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FreeBSD/Linux Kernel Cross Reference
sys/dev/vx/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/5.2/sys/dev/vx/if_vx_pci.c 121816 2003-10-31 18:32:15Z brooks $");
   32 
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/kernel.h>
   36 #include <sys/socket.h>
   37 
   38 #include <net/if.h>
   39 #include <net/if_arp.h>
   40 
   41 #include <machine/bus_pio.h>
   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(
   80         device_t dev)
   81 {
   82    struct vx_softc      *sc;
   83 
   84    sc = device_get_softc(dev);
   85    vxstop(sc); 
   86    return;
   87 }
   88 
   89 static int
   90 vx_pci_probe(
   91         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(0);
  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(0);
  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 #ifdef VORTEX_ETHERLINK_XL
  112    if(device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
  113       device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
  114       return(0);
  115    }
  116    if(device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
  117       device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
  118       return(0);
  119    }
  120 #endif
  121    return (ENXIO);
  122 }
  123 
  124 static int 
  125 vx_pci_attach(
  126         device_t dev)
  127 {
  128     struct vx_softc *sc;
  129     int rid;
  130 
  131     sc = device_get_softc(dev);
  132 
  133     rid = PCIR_BAR(0);
  134     sc->vx_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
  135         0, ~0, 1, RF_ACTIVE);
  136 
  137     if (sc->vx_res == NULL)
  138         goto bad;
  139 
  140     sc->bst = rman_get_bustag(sc->vx_res);
  141     sc->bsh = rman_get_bushandle(sc->vx_res);
  142 
  143     rid = 0;
  144     sc->vx_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
  145         RF_SHAREABLE | RF_ACTIVE);
  146 
  147     if (sc->vx_irq == NULL)
  148         goto bad;
  149 
  150     if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET,
  151         vxintr, sc, &sc->vx_intrhand))
  152         goto bad;
  153 
  154     if (vxattach(dev) == 0) {
  155         goto bad;
  156     }
  157 
  158     /* defect check for 3C590 */
  159     if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
  160         GO_WINDOW(0);
  161         if (vxbusyeeprom(sc))
  162             goto bad;
  163         CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
  164             EEPROM_CMD_RD | EEPROM_SOFTINFO2);
  165         if (vxbusyeeprom(sc))
  166             goto bad;
  167         if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY)) {
  168             printf("Warning! Defective early revision adapter!\n");
  169         }
  170     }
  171 
  172     return(0);
  173 
  174 bad:
  175     if (sc->vx_intrhand != NULL)
  176         bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
  177     if (sc->vx_res != NULL)
  178         bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
  179     if (sc->vx_irq != NULL)
  180         bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
  181     return(ENXIO);
  182 }

Cache object: 320fd920f3af596d0d6f79e05ee7601e


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