2 * Copyright (c) 1991 The Regents of the University of California.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * $DragonFly: src/sys/dev/serial/sio/sio_pccard.c,v 1.3 2004/05/31 20:48:41 eirikn Exp $
35 #include <sys/param.h>
36 #include <sys/systm.h>
39 #include <sys/module.h>
40 #include <sys/kernel.h>
42 #include <machine/bus.h>
44 #include <sys/timepps.h>
46 #include <machine/resource.h>
49 #include "sio_private.h"
51 #include <bus/pccard/pccarddevs.h>
52 #include <bus/pccard/pccardreg.h>
53 #include <bus/pccard/pccardvar.h>
55 static int sio_pccard_attach(device_t dev);
56 static int sio_pccard_match(device_t self);
57 static int sio_pccard_detach(device_t dev);
58 static int sio_pccard_probe(device_t dev);
60 static device_method_t sio_pccard_methods[] = {
61 /* Device interface */
62 DEVMETHOD(device_probe, pccard_compat_probe),
63 DEVMETHOD(device_attach, pccard_compat_attach),
64 DEVMETHOD(device_detach, sio_pccard_detach),
67 DEVMETHOD(card_compat_match, sio_pccard_match),
68 DEVMETHOD(card_compat_probe, sio_pccard_probe),
69 DEVMETHOD(card_compat_attach, sio_pccard_attach),
74 static driver_t sio_pccard_driver = {
81 sio_pccard_match(device_t dev)
83 u_int32_t fcn = PCCARD_FUNCTION_UNSPEC;
85 fcn = pccard_get_function(dev);
87 * If a serial card, we are likely the right driver. However,
88 * some serial cards are better servered by other drivers, so
89 * allow other drivers to claim it, if they want.
91 if (fcn == PCCARD_FUNCTION_SERIAL)
101 /* Do not probe IRQ - pccard doesn't turn on the interrupt line */
102 /* until bus_setup_intr */
103 SET_FLAG(dev, COM_C_NOPROBE);
105 return (sioprobe(dev, 0, 0UL));
109 sio_pccard_attach(dev)
112 return (sioattach(dev, 0, 0UL));
116 * sio_detach - unload the driver and clear the table.
118 * This is usually called when the card is ejected, but
119 * can be caused by a modunload of a controller driver.
120 * The idea is to reset the driver's view of the device
121 * and ensure that any driver entry points such as
122 * read and write do not hang.
125 sio_pccard_detach(dev)
130 com = (struct com_s *) device_get_softc(dev);
132 device_printf(dev, "NULL com in siounload\n");
137 bus_teardown_intr(dev, com->irqres, com->cookie);
138 bus_release_resource(dev, SYS_RES_IRQ, 0, com->irqres);
141 bus_release_resource(dev, SYS_RES_IOPORT, 0, com->ioportres);
142 if (com->tp && (com->tp->t_state & TS_ISOPEN)) {
143 device_printf(dev, "still open, forcing close\n");
149 if (com->ibuf != NULL)
150 free(com->ibuf, M_DEVBUF);
152 device_printf(dev, "unloaded\n");
156 DRIVER_MODULE(sio, pccard, sio_pccard_driver, sio_devclass, 0, 0);