97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/*
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*
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* Copyright (c) 1996 Stefan Esser <se@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Absolutely no warranty of function or purpose is made by the author
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* Stefan Esser.
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* 4. Modifications may be freely made to this file if the above conditions
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* are met.
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*
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* $Id: if_lnc_p.c,v 1.10 1999/05/10 22:39:37 paul Exp $
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <pci/pcireg.h>
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#include <pci/pcivar.h>
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#include "lnc.h"
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#define PCI_DEVICE_ID_PCNet_PCI 0x20001022
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extern void *lnc_attach_ne2100_pci __P((int unit, unsigned iobase));
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static const char* lnc_pci_probe __P((pcici_t tag, pcidi_t type));
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static void lnc_pci_attach __P((pcici_t config_id, int unit));
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static u_long lnc_pci_count = NLNC;
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static struct pci_device lnc_pci_driver = {
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"lnc",
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lnc_pci_probe,
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lnc_pci_attach,
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&lnc_pci_count,
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NULL
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};
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COMPAT_PCI_DRIVER (lnc_pci, lnc_pci_driver);
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static const char*
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lnc_pci_probe (pcici_t tag, pcidi_t type)
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{
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switch(type) {
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case PCI_DEVICE_ID_PCNet_PCI:
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return ("PCNet/PCI Ethernet adapter");
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break;
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default:
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break;
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}
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return (0);
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}
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void lncintr_sc (void*);
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static void
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lnc_pci_attach(config_id, unit)
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pcici_t config_id;
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int unit;
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{
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unsigned iobase;
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unsigned data; /* scratch to make this device a bus master*/
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void *lnc; /* device specific data for interrupt handler ... */
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if ( !pci_map_port(config_id,PCI_MAP_REG_START,(u_short *)&iobase) )
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printf("lnc%d: pci_port_map_attach failed?!\n",unit);
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/* Make this device a bus master. This was implictly done by
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pci_map_port under 2.2.x -- tvf */
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data = pci_cfgread(config_id, PCIR_COMMAND, 4);
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data |= PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN;
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pci_cfgwrite(config_id, PCIR_COMMAND, data, 4);
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lnc = lnc_attach_ne2100_pci(unit, iobase);
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if (!lnc)
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return;
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if(!(pci_map_int(config_id, lncintr_sc, (void *)lnc, &net_imask))) {
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free (lnc, M_DEVBUF);
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return;
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}
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return;
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}
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