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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* Device driver for Specialix I/O8+ multiport serial card.
*
* Copyright 2003 Frank Mayhar <frank@exit.com>
*
* Derived from the "si" driver by Peter Wemm <peter@netplex.com.au>, using
* lots of information from the Linux "specialix" driver by Roger Wolff
* <R.E.Wolff@BitWizard.nl> and from the Intel CD1865 "Intelligent Eight-
* Channel Communications Controller" datasheet. Roger was also nice
* enough to answer numerous questions about stuff specific to the I/O8+
* not covered by the CD1865 datasheet.
*
* 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
* notices, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notices, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHORS BE LIABLE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/tty.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <machine/clock.h>
#include <sys/rman.h>
#include <dev/sx/cd1865.h>
#include <dev/sx/sxvar.h>
#include <dev/sx/sx.h>
#include <dev/sx/sx_util.h>
#include <dev/pci/pcivar.h>
static int
sx_pci_probe(
device_t dev)
{
const char *desc = NULL;
switch (pci_get_devid(dev)) {
case 0x200011cb:
if (pci_get_subdevice(dev) == (uint16_t)0xb008) {
desc = "Specialix I/O8+ Multiport Serial Card";
}
break;
}
if (desc) {
device_set_desc(dev, desc);
return 0;
}
return ENXIO;
}
static int
sx_pci_attach(device_t dev)
{
struct sx_softc *sc;
void *ih;
int error;
error = 0;
ih = NULL;
sc = device_get_softc(dev);
sc->sc_io_rid = 0x18;
sc->sc_io_res = bus_alloc_resource(dev,
SYS_RES_IOPORT,
&sc->sc_io_rid,
0, ~0, 1,
RF_ACTIVE);
if (!sc->sc_io_res) {
device_printf(dev, "can't map I/O\n");
goto fail;
}
sc->sc_st = rman_get_bustag(sc->sc_io_res);
sc->sc_sh = rman_get_bushandle(sc->sc_io_res);
/*
* Now that we have the bus handle, we can make certain that this
* is an I/O8+.
*/
if (sx_probe_io8(dev)) {
device_printf(dev, "Oops! Device is not an I/O8+ board!\n");
goto fail;
}
/*sc->sc_paddr = (caddr_t)rman_get_start(sc->sc_io_res);*/
/*sc->sc_maddr = rman_get_virtual(sc->sc_io_res);*/
sc->sc_irq_rid = 0;
sc->sc_irq_res = bus_alloc_resource(dev,
SYS_RES_IRQ,
&sc->sc_irq_rid,
0, ~0, 1,
RF_ACTIVE | RF_SHAREABLE);
if (!sc->sc_irq_res) {
device_printf(dev, "Can't map interrupt\n");
goto fail;
}
sc->sc_irq = rman_get_start(sc->sc_irq_res);
error = bus_setup_intr(dev,
sc->sc_irq_res,
INTR_TYPE_TTY,
sx_intr,
sc, &ih);
if (error) {
device_printf(dev, "Can't activate interrupt\n");
goto fail;
}
error = sxattach(dev);
if (error)
goto fail;
return (0); /* success */
fail:
if (error == 0)
error = ENXIO;
if (sc->sc_irq_res) {
if (ih)
bus_teardown_intr(dev, sc->sc_irq_res, ih);
bus_release_resource(dev,
SYS_RES_IRQ,
sc->sc_irq_rid,
sc->sc_irq_res);
sc->sc_irq_res = 0;
}
if (sc->sc_io_res) {
bus_release_resource(dev,
SYS_RES_IOPORT,
sc->sc_io_rid,
sc->sc_io_res);
sc->sc_io_res = 0;
}
return(error);
}
static device_method_t sx_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, sx_pci_probe),
DEVMETHOD(device_attach, sx_pci_attach),
/* DEVMETHOD(device_detach, sx_pci_detach),*/
{ 0, 0 }
};
static driver_t sx_pci_driver = {
"sx",
sx_pci_methods,
sizeof(struct sx_softc),
};
DRIVER_MODULE(sx, pci, sx_pci_driver, sx_devclass, 0, 0);
|
