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/*
*
* 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.
*
* $FreeBSD$
*/
#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 <sys/socket.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <dev/lnc/if_lncvar.h>
#include "lnc.h"
#ifndef COMPAT_OLDPCI
#error "The lnc device requires the old pci compatibility shims"
#endif
#define PCI_DEVICE_ID_PCNet_PCI 0x20001022
#define PCI_DEVICE_ID_PCHome_PCI 0x20011022
extern int pcnet_probe __P((lnc_softc_t *sc));
extern int lnc_attach_sc __P((lnc_softc_t *sc, int unit));
static const 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
};
COMPAT_PCI_DRIVER (lnc_pci, lnc_pci_driver);
static const char*
lnc_pci_probe (pcici_t tag, pcidi_t type)
{
switch(type) {
case PCI_DEVICE_ID_PCNet_PCI:
return ("PCNet/PCI Ethernet adapter");
break;
case PCI_DEVICE_ID_PCHome_PCI:
return ("PCHome/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;
{
lnc_softc_t *sc;
unsigned iobase;
unsigned data; /* scratch to make this device a bus master*/
int i;
if ( !pci_map_port(config_id,PCI_MAP_REG_START,(u_short *)&iobase) )
printf("lnc%d: pci_port_map_attach failed?!\n",unit);
/* Make this device a bus master. This was implictly done by
pci_map_port under 2.2.x -- tvf */
data = pci_cfgread(config_id, PCIR_COMMAND, 4);
data |= PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN;
pci_cfgwrite(config_id, PCIR_COMMAND, data, 4);
sc = malloc(sizeof *sc, M_DEVBUF, M_NOWAIT);
if (sc) {
bzero (sc, sizeof *sc);
sc->rap = iobase + PCNET_RAP;
sc->rdp = iobase + PCNET_RDP;
sc->bdp = iobase + PCNET_BDP;
sc->nic.ic = pcnet_probe(sc);
if (sc->nic.ic >= PCnet_32) {
sc->nic.ident = NE2100;
sc->nic.mem_mode = DMA_FIXED;
/* XXX - For now just use the defines */
sc->nrdre = NRDRE;
sc->ntdre = NTDRE;
/* Extract MAC address from PROM */
for (i = 0; i < ETHER_ADDR_LEN; i++)
sc->arpcom.ac_enaddr[i] = inb(iobase + i);
if (lnc_attach_sc(sc, unit) == 0) {
free(sc, M_DEVBUF);
sc = NULL;
}
if(!(pci_map_int(config_id, lncintr_sc, (void *)sc, &net_imask))) {
free (sc, M_DEVBUF);
return;
}
} else {
free(sc, M_DEVBUF);
}
}
return;
}
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