FreeBSD/Linux Kernel Cross Reference
sys/pci/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.
     *
     */
    
    #include "pci.h"
    #if NPCI > 0
    
    #include "vx.h"
    #if NVX > 0
    
    #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 <pci/pcivar.h>
    
    #include <dev/vx/if_vxreg.h>
    
    static void vx_pci_shutdown(int, void *);
    static const char *vx_pci_probe(pcici_t, pcidi_t);
    static void vx_pci_attach(pcici_t, int unit);
    
    static void
    vx_pci_shutdown(
            int howto,
            void *sc)
    {
       vxstop(sc); 
       vxfree(sc);
    }
    
    static const char*
    vx_pci_probe(
            pcici_t config_id,
            pcidi_t device_id)
    {
       if(device_id == 0x590010b7ul)
          return "3COM 3C590 Etherlink III PCI";
       if(device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
            device_id == 0x595210b7ul)
          return "3COM 3C595 Fast Etherlink III PCI";
            /*
             * 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)
          return "3COM 3C900 Etherlink XL PCI";
       if(device_id == 0x905010b7ul || device_id == 0x905110b7ul)
          return "3COM 3C905 Fast Etherlink XL PCI";
    #endif
       return NULL;
    }
    
    static void
    vx_pci_attach(
            pcici_t config_id,
            int unit)
    {
        struct vx_softc *sc;
    
        if (unit >= NVX) {
           printf("vx%d: not configured; kernel is built for only %d device%s.\n",
              unit, NVX, NVX == 1 ? "" : "s"); 
           return;
        }
    
        if ((sc = vxalloc(unit)) == NULL) {
           return;
       }
   
       sc->vx_io_addr = pci_conf_read(config_id, 0x10) & 0xffffffe0;
   
       if (vxattach(sc) == 0) {
           return;
       }
   
       /* defect check for 3C590 */
       if ((pci_conf_read(config_id, 0) >> 16) == 0x5900) {
           GO_WINDOW(0);
           if (vxbusyeeprom(sc))
               return;
           outw(BASE + VX_W0_EEPROM_COMMAND, EEPROM_CMD_RD | EEPROM_SOFT_INFO_2);
           if (vxbusyeeprom(sc))
               return;
           if (!(inw(BASE + VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY)) {
               printf("Warning! Defective early revision adapter!\n");
           }
       }
   
       /*
        * Add shutdown hook so that DMA is disabled prior to reboot. Not
        * doing do could allow DMA to corrupt kernel memory during the
        * reboot before the driver initializes.
        */
       at_shutdown(vx_pci_shutdown, sc, SHUTDOWN_POST_SYNC);
   
       pci_map_int(config_id, vxintr, (void *) sc, &net_imask);
   }
   
   static struct pci_device vxdevice = {
       "vx",
       vx_pci_probe,
       vx_pci_attach,
       &vx_count,
       NULL
   };
   
   DATA_SET (pcidevice_set, vxdevice);
   
   #endif  /* NVX */
   #endif  /* NPCI */

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