1 /*
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Don Ahn.
7 *
8 * Libretto PCMCIA floppy support by David Horwitt (dhorwitt@ucsd.edu)
9 * aided by the Linux floppy driver modifications from David Bateman
10 * (dbateman@eng.uts.edu.au).
11 *
12 * Copyright (c) 1993, 1994 by
13 * jc@irbs.UUCP (John Capo)
14 * vak@zebub.msk.su (Serge Vakulenko)
15 * ache@astral.msk.su (Andrew A. Chernov)
16 *
17 * Copyright (c) 1993, 1994, 1995 by
18 * joerg_wunsch@uriah.sax.de (Joerg Wunsch)
19 * dufault@hda.com (Peter Dufault)
20 *
21 * Copyright (c) 2001 Joerg Wunsch,
22 * joerg_wunsch@uriah.sax.de (Joerg Wunsch)
23 *
24 * Redistribution and use in source and binary forms, with or without
25 * modification, are permitted provided that the following conditions
26 * are met:
27 * 1. Redistributions of source code must retain the above copyright
28 * notice, this list of conditions and the following disclaimer.
29 * 2. Redistributions in binary form must reproduce the above copyright
30 * notice, this list of conditions and the following disclaimer in the
31 * documentation and/or other materials provided with the distribution.
32 * 3. All advertising materials mentioning features or use of this software
33 * must display the following acknowledgement:
34 * This product includes software developed by the University of
35 * California, Berkeley and its contributors.
36 * 4. Neither the name of the University nor the names of its contributors
37 * may be used to endorse or promote products derived from this software
38 * without specific prior written permission.
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 */
53
54 #include <sys/param.h>
55 #include <sys/systm.h>
56 #include <sys/buf.h>
57 #include <sys/bus.h>
58 #include <sys/kernel.h>
59 #include <sys/module.h>
60
61 #include "fdc.h"
62 #include "fdreg.h"
63
64 #include <bus/pccard/pccardvar.h>
65
66 #include "card_if.h"
67 #include "pccarddevs.h"
68
69 static const struct pccard_product fdc_products[] = {
70 PCMCIA_CARD(YEDATA, EXTERNAL_FDD, 0),
71 { NULL }
72 };
73
74 static void
fdctl_wr_pcmcia(fdc_p fdc,u_int8_t v)75 fdctl_wr_pcmcia(fdc_p fdc, u_int8_t v)
76 {
77 bus_space_write_1(fdc->portt, fdc->porth, FDCTL+fdc->port_off, v);
78 }
79
fdc_pccard_match(device_t dev)80 static int fdc_pccard_match(device_t dev)
81 {
82 const struct pccard_product *pp;
83
84 if ((pp = pccard_product_lookup(dev, fdc_products,
85 sizeof(fdc_products[0]), NULL)) != NULL) {
86 device_set_desc(dev, pp->pp_name);
87 return (0);
88 }
89 return (ENXIO);
90 }
91
92 static int
fdc_pccard_probe(device_t dev)93 fdc_pccard_probe(device_t dev)
94 {
95 int error;
96 struct fdc_data *fdc;
97
98 fdc = device_get_softc(dev);
99 bzero(fdc, sizeof *fdc);
100 fdc->fdc_dev = dev;
101 fdc->fdctl_wr = fdctl_wr_pcmcia;
102
103 fdc->flags |= FDC_ISPCMCIA | FDC_NODMA;
104
105 /* Attempt to allocate our resources for the duration of the probe */
106 error = fdc_alloc_resources(fdc);
107 if (error)
108 goto out;
109
110 /* First - lets reset the floppy controller */
111 fdout_wr(fdc, 0);
112 DELAY(100);
113 fdout_wr(fdc, FDO_FRST);
114
115 /* see if it can handle a command */
116 if (fd_cmd(fdc, 3, NE7CMD_SPECIFY, NE7_SPEC_1(3, 240),
117 NE7_SPEC_2(2, 0), 0)) {
118 error = ENXIO;
119 goto out;
120 }
121
122 fdc->fdct = FDC_NE765;
123
124 out:
125 fdc_release_resources(fdc);
126 return (error);
127 }
128
129 static int
fdc_pccard_detach(device_t dev)130 fdc_pccard_detach(device_t dev)
131 {
132 struct fdc_data *fdc;
133 int error;
134
135 fdc = device_get_softc(dev);
136
137 /* have our children detached first */
138 if ((error = bus_generic_detach(dev)))
139 return (error);
140
141 if ((fdc->flags & FDC_ATTACHED) == 0) {
142 device_printf(dev, "already unloaded\n");
143 return (0);
144 }
145 fdc->flags &= ~FDC_ATTACHED;
146
147 BUS_TEARDOWN_INTR(device_get_parent(dev), dev, fdc->res_irq,
148 fdc->fdc_intr);
149 fdc_release_resources(fdc);
150 device_printf(dev, "unload\n");
151 return (0);
152 }
153
154 static device_method_t fdc_pccard_methods[] = {
155 /* Device interface */
156 DEVMETHOD(device_probe, pccard_compat_probe),
157 DEVMETHOD(device_attach, pccard_compat_attach),
158 DEVMETHOD(device_detach, fdc_pccard_detach),
159 DEVMETHOD(device_shutdown, bus_generic_shutdown),
160 DEVMETHOD(device_suspend, bus_generic_suspend),
161 DEVMETHOD(device_resume, bus_generic_resume),
162
163 /* Card interface */
164 DEVMETHOD(card_compat_match, fdc_pccard_match),
165 DEVMETHOD(card_compat_probe, fdc_pccard_probe),
166 DEVMETHOD(card_compat_attach, fdc_attach),
167 /* Device interface */
168
169 /* Bus interface */
170 DEVMETHOD(bus_print_child, fdc_print_child),
171 DEVMETHOD(bus_read_ivar, fdc_read_ivar),
172 /* Our children never use any other bus interface methods. */
173
174 DEVMETHOD_END
175 };
176
177 static driver_t fdc_pccard_driver = {
178 "fdc",
179 fdc_pccard_methods,
180 sizeof(struct fdc_data)
181 };
182
183 DRIVER_MODULE(fdc, pccard, fdc_pccard_driver, fdc_devclass, NULL, NULL);
184