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freebsd/sys/pci/if_lnc_p.c
Mike Smith 2512c3e67b Add support for PCNet PCI chips that only work when we talk to them as ISA
devices. Specifically fix the case for the Hitachi version as used in
their VisionBook models.

Submitted by:	Ted Faber <faber@isi.edu>
1998-07-20 17:33:01 +00:00

96 lines
2.3 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 1.5 1997/08/02 14:33:11 bde 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 ... */
/* pci_map_port correctly initializes bridge chips -- tvf */
if ( !pci_map_port(config_id,PCI_MAP_REG_START,(u_short *)&iobase) )
printf("lnc%d: pci_port_map_attach failed?!\n",unit);
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 */