freebsd-dev/sys/dev/lnc/if_lnc_pci.c
1997-08-02 14:33:27 +00:00

93 lines
2.1 KiB
C

/*
*
* Copyright (c) 1996 Stefan Esser <se@freebsd.org>
* 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 immediately at the beginning of the file, without modification,
* 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. Absolutely no warranty of function or purpose is made by the author
* Stefan Esser.
* 4. Modifications may be freely made to this file if the above conditions
* are met.
*
* $Id: if_lnc_p.c,v 1.4 1997/04/04 16:44:52 kato Exp $
*/
#include "pci.h"
#if NPCI > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include "lnc.h"
#define PCI_DEVICE_ID_PCNet_PCI 0x20001022
extern void *lnc_attach_ne2100_pci __P((int unit, unsigned iobase));
static char* lnc_pci_probe __P((pcici_t tag, pcidi_t type));
static void lnc_pci_attach __P((pcici_t config_id, int unit));
static u_long lnc_pci_count = NLNC;
static struct pci_device lnc_pci_driver = {
"lnc",
lnc_pci_probe,
lnc_pci_attach,
&lnc_pci_count,
NULL
};
DATA_SET (pcidevice_set, lnc_pci_driver);
static char*
lnc_pci_probe (pcici_t tag, pcidi_t type)
{
switch(type) {
case PCI_DEVICE_ID_PCNet_PCI:
return ("PCNet/PCI Ethernet adapter");
break;
default:
break;
}
return (0);
}
void lncintr_sc (void*);
static void
lnc_pci_attach(config_id, unit)
pcici_t config_id;
int unit;
{
unsigned iobase;
void *lnc; /* device specific data for interrupt handler ... */
iobase = pci_conf_read(config_id, PCI_MAP_REG_START) & ~PCI_MAP_IO;
lnc = lnc_attach_ne2100_pci(unit, iobase);
if (!lnc)
return;
if(!(pci_map_int(config_id, lncintr_sc, (void *)lnc, &net_imask))) {
free (lnc, M_DEVBUF);
return;
}
return;
}
#endif /* NPCI > 0 */