if_lnc_p.c

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    1 /*
    2  *
    3  * Copyright (c) 1996 Stefan Esser <se@freebsd.org>
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice immediately at the beginning of the file, without modification,
   11  *    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. Absolutely no warranty of function or purpose is made by the author
   16  *    Stefan Esser.
   17  * 4. Modifications may be freely made to this file if the above conditions
   18  *    are met.
   19  *
   20  * $FreeBSD: src/sys/pci/if_lnc_p.c,v 1.1.2.3 1999/09/05 08:21:09 peter Exp $
   21  */
   22 
   23 #include "pci.h"
   24 #if NPCI > 0
   25 
   26 #include <sys/param.h>
   27 #include <sys/systm.h>
   28 #include <sys/malloc.h>
   29 #include <sys/kernel.h>
   30 #include <pci/pcireg.h>
   31 #include <pci/pcivar.h>
   32 #include <i386/isa/isa_device.h>
   33 
   34 #include "lnc.h"
   35 
   36 #define PCI_DEVICE_ID_PCNet_PCI 0x20001022
   37 
   38 extern void *lnc_attach_ne2100_pci __P((int unit, unsigned iobase));
   39 
   40 static char* lnc_pci_probe __P((pcici_t tag, pcidi_t type));
   41 static void lnc_pci_attach __P((pcici_t config_id, int unit));
   42 
   43 static u_long lnc_pci_count = NLNC;
   44 
   45 static struct pci_device lnc_pci_driver = {
   46         "lnc",
   47         lnc_pci_probe,
   48         lnc_pci_attach,
   49         &lnc_pci_count,
   50         NULL
   51 };
   52 
   53 DATA_SET (pcidevice_set, lnc_pci_driver);
   54 
   55 static char*
   56 lnc_pci_probe (pcici_t tag, pcidi_t type)
   57 {
   58         switch(type) {
   59         case PCI_DEVICE_ID_PCNet_PCI:
   60                 return ("PCNet/PCI Ethernet adapter");
   61                 break;
   62         default:
   63                 break;
   64         }
   65         return (0);
   66 }
   67 
   68 void lncintr_sc (void*);
   69 
   70 static void
   71 lnc_pci_attach(config_id, unit)
   72         pcici_t config_id;
   73         int     unit;
   74 {
   75         unsigned iobase;
   76         void *lnc; /* device specific data for interrupt handler ... */
   77 
   78         /* pci_map_port correctly initializes bridge chips -- tvf */
   79 
   80         if ( !pci_map_port(config_id,PCI_MAP_REG_START,(u_short *)&iobase) )
   81             printf("lnc%d: pci_port_map_attach failed?!\n",unit);
   82 
   83         lnc = lnc_attach_ne2100_pci(unit, iobase);
   84         if (!lnc)
   85                 return;
   86 
   87         if(!(pci_map_int(config_id, lncintr_sc, (void *)lnc, &net_imask))) {
   88                 free (lnc, M_DEVBUF);
   89                 return;
   90         }
   91 
   92         return;
   93 }
   94 
   95 #endif /* NPCI > 0 */
   96

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FreeBSD/Linux Kernel Cross Reference sys/pci/if_lnc_p.c

FreeBSD/Linux Kernel Cross Reference
sys/pci/if_lnc_p.c