102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
/*
|
|
* Product specific probe and attach routines for:
|
|
* 294X and aic7870 motherboard SCSI controllers
|
|
*
|
|
* Copyright (c) 1995 Justin T. Gibbs
|
|
* 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
|
|
* Justin T. Gibbs.
|
|
* 4. Modifications may be freely made to this file if the above conditions
|
|
* are met.
|
|
*
|
|
* $Id: aic7870.c,v 1.1 1995/10/09 09:49:33 mycroft Exp $
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <scsi/scsi_all.h>
|
|
#include <scsi/scsiconf.h>
|
|
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/ic/aic7xxxvar.h>
|
|
|
|
|
|
#define PCI_BASEADR0 PCI_MAP_REG_START
|
|
#define PCI_DEVICE_ID_ADAPTEC_2940 0x71789004ul
|
|
#define PCI_DEVICE_ID_ADAPTEC_AIC7870 0x70789004ul
|
|
|
|
|
|
static int aic7870_probe();
|
|
static void aic7870_attach();
|
|
|
|
struct cfdriver ahccd = {
|
|
NULL, "ahc", aic7870_probe, aic7870_attach, DV_DULL,
|
|
sizeof(struct ahc_softc)
|
|
};
|
|
|
|
int ahcintr __P((void *));
|
|
|
|
|
|
int
|
|
aic7870_probe(parent, match, aux)
|
|
struct device *parent;
|
|
void *match, *aux;
|
|
{
|
|
struct pci_attach_args *pa = aux;
|
|
|
|
if (pa->pa_id != PCI_DEVICE_ID_ADAPTEC_2940 &&
|
|
pa->pa_id != PCI_DEVICE_ID_ADAPTEC_AIC7870)
|
|
return (0);
|
|
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
aic7870_attach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct pci_attach_args *pa = aux;
|
|
struct ahc_softc *ahc = (void *)self;
|
|
int iobase;
|
|
|
|
switch (pa->pa_id) {
|
|
case PCI_DEVICE_ID_ADAPTEC_2940:
|
|
ahc->type = AHC_294;
|
|
break;
|
|
case PCI_DEVICE_ID_ADAPTEC_AIC7870:
|
|
ahc->type = AHC_AIC7870;
|
|
break;
|
|
}
|
|
|
|
if (pci_map_io(pa->pa_tag, PCI_BASEADR0, &iobase))
|
|
return;
|
|
|
|
/*
|
|
* Make the offsets the same as for EISA
|
|
*/
|
|
iobase -= 0xc00ul;
|
|
|
|
if (ahcprobe(ahc, iobase) == 0)
|
|
return;
|
|
|
|
ahcattach(ahc);
|
|
|
|
ahc->sc_ih = pci_map_int(pa->pa_tag, PCI_IPL_BIO, ahcintr, ahc);
|
|
}
|