1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* 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 1.4 1996/02/20 04:36:13 tholo 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/pci/pcidevs.h>
#include <dev/ic/aic7xxxvar.h>
#define PCI_BASEADR0 PCI_MAP_REG_START
#define PCI_VENDORID(x) ((x) & 0xFFFF)
#define PCI_CHIPID(x) (((x) >> 16) & 0xFFFF)
static int aic7870_probe __P((struct device *, void *, void *));
static void aic7870_attach __P((struct device *, struct device *, void *));
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 (PCI_VENDORID(pa->pa_id) != PCI_VENDOR_ADP)
return 0;
switch (PCI_CHIPID(pa->pa_id)) {
case PCI_PRODUCT_ADP_AIC7870:
case PCI_PRODUCT_ADP_AIC2940:
case PCI_PRODUCT_ADP_AIC2940U:
return 1;
default:
return 0;
}
}
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 (PCI_CHIPID(pa->pa_id)) {
case PCI_PRODUCT_ADP_AIC7870:
ahc->type = AHC_AIC7870;
break;
case PCI_PRODUCT_ADP_AIC2940:
case PCI_PRODUCT_ADP_AIC2940U:
ahc->type = AHC_294;
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, IPL_BIO, ahcintr, ahc,
ahc->sc_dev.dv_xname);
}
|
