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

     /*
      * Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: releng/5.0/sys/dev/vx/if_vx_pci.c 68417 2000-11-07 00:56:14Z wpaul $
     */
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/kernel.h>
    #include <sys/socket.h>
    
    #include <net/if.h>
    #include <net/if_arp.h>
    
    #include <machine/bus_pio.h>
    #include <machine/bus.h>
    #include <machine/resource.h>
    #include <sys/bus.h>
    #include <sys/rman.h>
    
    #include <pci/pcivar.h>
    #include <pci/pcireg.h>
    
    #include <dev/vx/if_vxreg.h>
    
    static void vx_pci_shutdown(device_t);
    static int vx_pci_probe(device_t);
    static int vx_pci_attach(device_t);
    
    static device_method_t vx_methods[] = {
            /* Device interface */
            DEVMETHOD(device_probe,         vx_pci_probe),
            DEVMETHOD(device_attach,        vx_pci_attach),
            DEVMETHOD(device_shutdown,      vx_pci_shutdown),
    
            { 0, 0 }
    };
    
    static driver_t vx_driver = {
            "vx",
            vx_methods,
            sizeof(struct vx_softc)
    };
    
    static devclass_t vx_devclass;
    
    DRIVER_MODULE(if_vx, pci, vx_driver, vx_devclass, 0, 0);
    
    static void
    vx_pci_shutdown(
            device_t dev)
    {
       struct vx_softc      *sc;
    
       sc = device_get_softc(dev);
       vxstop(sc); 
       return;
    }
    
    static int
    vx_pci_probe(
            device_t dev)
    {
       u_int32_t            device_id;
    
       device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
    
       if(device_id == 0x590010b7ul) {
          device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
          return(0);
       }
       if(device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
            device_id == 0x595210b7ul) {
          device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
         return(0);
      }
           /*
            * The (Fast) Etherlink XL adapters are now supported by
            * the xl driver, which uses bus master DMA and is much
            * faster. (And which also supports the 3c905B.
            */
   #ifdef VORTEX_ETHERLINK_XL
      if(device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
         device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
         return(0);
      }
      if(device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
         device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
         return(0);
      }
   #endif
      return (ENXIO);
   }
   
   static int 
   vx_pci_attach(
           device_t dev)
   {
       struct vx_softc *sc;
       int rid;
   
       sc = device_get_softc(dev);
   
       rid = PCIR_MAPS;
       sc->vx_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
           0, ~0, 1, RF_ACTIVE);
   
       if (sc->vx_res == NULL)
           goto bad;
   
       sc->vx_btag = rman_get_bustag(sc->vx_res);
       sc->vx_bhandle = rman_get_bushandle(sc->vx_res);
   
       rid = 0;
       sc->vx_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
           RF_SHAREABLE | RF_ACTIVE);
   
       if (sc->vx_irq == NULL)
           goto bad;
   
       if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET,
           vxintr, sc, &sc->vx_intrhand))
           goto bad;
   
       if (vxattach(sc) == 0) {
           goto bad;
       }
   
       /* defect check for 3C590 */
       if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
           GO_WINDOW(0);
           if (vxbusyeeprom(sc))
               goto bad;
           CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
               EEPROM_CMD_RD | EEPROM_SOFT_INFO_2);
           if (vxbusyeeprom(sc))
               goto bad;
           if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY)) {
               printf("Warning! Defective early revision adapter!\n");
           }
       }
   
       return(0);
   
   bad:
       if (sc->vx_intrhand != NULL)
           bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
       if (sc->vx_res != NULL)
           bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
       if (sc->vx_irq != NULL)
           bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
       return(ENXIO);
   }

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