if_ed_p.c

来自「基于组件方式开发操作系统的OSKIT源代码」· C语言 代码 · 共 105 行

/*
 *
 * Copyright (c) 1996 Stefan Esser <[e-mail]>
 * 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_ed_p.c,v 1.14 1998/12/14 05:47:27 dillon 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 "ed.h"

static struct _pcsid
{
	pcidi_t		type;
	char	*desc;
} pci_ids[] =
{
	{ 0x802910ec,	"NE2000 PCI Ethernet (RealTek 8029)"	},
	{ 0x50004a14,	"NE2000 PCI Ethernet (NetVin 5000)"	},
	{ 0x09401050,	"NE2000 PCI Ethernet (ProLAN)"		},
	{ 0x140111f6,	"NE2000 PCI Ethernet (Compex)"		},
	{ 0x30008e2e,	"NE2000 PCI Ethernet (KTI)"		},
	{ 0x19808c4a,	"NE2000 PCI Ethernet (Winbond W89C940)" },
	{ 0x0e3410bd,	"NE2000 PCI Ethernet (Surecom NE-34)"	},
	{ 0x09261106,	"NE2000 PCI Ethernet (VIA VT86C926)"	},
	{ 0x00000000,	NULL					}
};

extern void *ed_attach_NE2000_pci __P((int, int));

static const char* ed_pci_probe __P((pcici_t tag, pcidi_t type));
static void ed_pci_attach __P((pcici_t config_id, int unit));

static u_long ed_pci_count = NED;

static struct pci_device ed_pci_driver = {
	"ed",
	ed_pci_probe,
	ed_pci_attach,
	&ed_pci_count,
	NULL
};

DATA_SET (pcidevice_set, ed_pci_driver);

static const char*
ed_pci_probe (pcici_t tag, pcidi_t type)
{
	struct _pcsid	*ep =pci_ids;

	while (ep->type && ep->type != type)
		++ep;
	return (ep->desc);
}

void edintr_sc (void*);

static void
ed_pci_attach(config_id, unit)
	pcici_t config_id;
	int	unit;
{
	int io_port;
	void *ed; /* device specific data ... */

	io_port = pci_conf_read(config_id, PCI_MAP_REG_START) & ~PCI_MAP_IO;

	ed = ed_attach_NE2000_pci(unit, io_port);
	if (!ed)
		return;

	if(!(pci_map_int(config_id, edintr_sc, (void *)ed, &net_imask))) {
		free (ed, M_DEVBUF);
		return;
	}

	return;
}

#endif /* NPCI > 0 */