sio_pccard.c revision 86900 
1/*
2 * Copyright (c) 2001 M. Warner Losh.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * $FreeBSD: head/sys/dev/sio/sio_pccard.c 86900 2001-11-26 00:39:33Z imp $
25 */
26
27#include <sys/param.h>
28#include <sys/systm.h>
29#include <sys/bus.h>
30#include <sys/conf.h>
31#include <sys/kernel.h>
32#include <sys/lock.h>
33#include <sys/malloc.h>
34#include <sys/mutex.h>
35#include <sys/module.h>
36#include <sys/tty.h>
37#include <machine/clock.h>
38#include <machine/bus_pio.h>
39#include <machine/bus.h>
40#include <machine/resource.h>
41#include <sys/timepps.h>
42
43#include <dev/pccard/pccardreg.h>
44#include <dev/pccard/pccardvar.h>
45#include <dev/pccard/pccarddevs.h>
46
47#include <dev/sio/siovar.h>
48
49static	int	sio_pccard_attach __P((device_t dev));
50static	int	sio_pccard_detach __P((device_t dev));
51static	int	sio_pccard_match __P((device_t self));
52static	int	sio_pccard_probe __P((device_t dev));
53
54static device_method_t sio_pccard_methods[] = {
55	/* Device interface */
56	DEVMETHOD(device_probe,		pccard_compat_probe),
57	DEVMETHOD(device_attach,	pccard_compat_attach),
58	DEVMETHOD(device_detach,	sio_pccard_detach),
59
60	/* Card interface */
61	DEVMETHOD(card_compat_match,	sio_pccard_match),
62	DEVMETHOD(card_compat_probe,	sio_pccard_probe),
63	DEVMETHOD(card_compat_attach,	sio_pccard_attach),
64
65	{ 0, 0 }
66};
67
68static driver_t sio_pccard_driver = {
69	sio_driver_name,
70	sio_pccard_methods,
71	sizeof(struct com_s),
72};
73
74static int
75sio_pccard_match(device_t dev)
76{
77	int		error = 0;
78	u_int32_t	fcn = PCCARD_FUNCTION_UNSPEC;
79
80	error = pccard_get_function(dev, &fcn);
81	if (error != 0)
82		return (error);
83	/*
84	 * If a serial card, we are likely the right driver.
85	 */
86	if (fcn == PCCARD_FUNCTION_SERIAL)
87		return (0);
88
89	return(ENXIO);
90}
91
92static int
93sio_pccard_probe(dev)
94	device_t	dev;
95{
96	/* Do not probe IRQ - pccard doesn't turn on the interrupt line */
97	/* until bus_setup_intr */
98	return (sioprobe(dev, 0, 1));
99}
100
101static int
102sio_pccard_attach(dev)
103	device_t	dev;
104{
105	return (sioattach(dev, 0));
106}
107
108static int
109sio_pccard_detach(dev)
110	device_t	dev;
111{
112	return (siodetach(dev));
113}
114
115DRIVER_MODULE(sio, pccard, sio_pccard_driver, sio_devclass, 0, 0);
116