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/*
*
* Copyright (c) 1996 Wolfgang Helbig <helbig@ba-stuttgart.de>
* 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.
* 4. Modifications may be freely made to this file if the above conditions
* are met.
*
* $Id: wdc_p.c,v 1.2 1997/04/28 19:26:18 se Exp $
*/
/*
* The sole purpose of this code currently is to tell the ISA wdc driver,
* whether there is a CMD640 IDE chip attached to the PCI bus.
*/
#include "pci.h"
#if NPCI > 0
#include "opt_wd.h"
#ifdef CMD640
#include <sys/param.h>
#include <sys/kernel.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include <i386/isa/wdc_p.h>
/*
* PCI-ID's of IDE-Controller
*/
#define CMD640B_PCI_ID 0x06401095
static char* wdc_pci_probe __P((pcici_t tag, pcidi_t type));
static void wdc_pci_attach __P((pcici_t config_id, int unit));
static u_long wdc_pci_count = 0;
static struct pci_device wdc_pci_driver = {
"wdc",
wdc_pci_probe,
wdc_pci_attach,
&wdc_pci_count,
NULL
};
DATA_SET (pcidevice_set, wdc_pci_driver);
static char*
wdc_pci_probe (pcici_t tag, pcidi_t type)
{
if (type == CMD640B_PCI_ID)
return "CMD 640B IDE";
return NULL;
}
static void
wdc_pci_attach(pcici_t config_id, int unit)
{
if (pci_conf_read(config_id, PCI_ID_REG) == CMD640B_PCI_ID)
wdc_pci(Q_CMD640B);
}
#endif /* CMD640 */
#endif /* NPCI > 0 */
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