1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2004-2005 M. Warner Losh.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: releng/12.0/sys/dev/fdc/fdc_pccard.c 327085 2017-12-22 17:13:54Z imp $");
31
32 #include <sys/param.h>
33 #include <sys/bio.h>
34 #include <sys/bus.h>
35 #include <sys/kernel.h>
36 #include <sys/lock.h>
37 #include <sys/module.h>
38 #include <sys/mutex.h>
39 #include <sys/rman.h>
40 #include <sys/systm.h>
41 #include <machine/bus.h>
42
43 #include <dev/fdc/fdcvar.h>
44 #include <dev/pccard/pccardvar.h>
45 #include "pccarddevs.h"
46
47 static int fdc_pccard_probe(device_t);
48 static int fdc_pccard_attach(device_t);
49
50 static const struct pccard_product fdc_pccard_products[] = {
51 PCMCIA_CARD(YEDATA, EXTERNAL_FDD),
52 { NULL }
53 };
54
55 static int
56 fdc_pccard_alloc_resources(device_t dev, struct fdc_data *fdc)
57 {
58 struct resource *res;
59 int rid, i;
60
61 rid = 0;
62 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
63 if (res == NULL) {
64 device_printf(dev, "cannot alloc I/O port range\n");
65 return (ENXIO);
66 }
67 for (i = 0; i < FDC_MAXREG; i++) {
68 fdc->resio[i] = res;
69 fdc->ridio[i] = rid;
70 fdc->ioff[i] = i;
71 fdc->ioh[i] = rman_get_bushandle(res);
72 }
73 fdc->iot = rman_get_bustag(res);
74
75 fdc->rid_irq = 0;
76 fdc->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fdc->rid_irq,
77 RF_ACTIVE | RF_SHAREABLE);
78 if (fdc->res_irq == NULL) {
79 device_printf(dev, "cannot reserve interrupt line\n");
80 return (ENXIO);
81 }
82 return (0);
83 }
84
85 static int
86 fdc_pccard_probe(device_t dev)
87 {
88 if (pccard_product_lookup(dev, fdc_pccard_products,
89 sizeof(fdc_pccard_products[0]), NULL) != NULL) {
90 device_set_desc(dev, "PC Card Floppy");
91 return (0);
92 }
93 return (ENXIO);
94 }
95
96 static int
97 fdc_pccard_attach(device_t dev)
98 {
99 int error;
100 struct fdc_data *fdc;
101 device_t child;
102
103 fdc = device_get_softc(dev);
104 fdc->flags = FDC_NODMA | FDC_NOFAST;
105 fdc->fdct = FDC_NE765;
106 error = fdc_pccard_alloc_resources(dev, fdc);
107 if (error == 0)
108 error = fdc_attach(dev);
109 if (error == 0) {
110 child = fdc_add_child(dev, "fd", -1);
111 device_set_flags(child, 0x24);
112 error = bus_generic_attach(dev);
113 }
114 if (error == 0)
115 fdc_start_worker(dev);
116 else
117 fdc_release_resources(fdc);
118 return (error);
119 }
120
121 static device_method_t fdc_pccard_methods[] = {
122 /* Device interface */
123 DEVMETHOD(device_probe, fdc_pccard_probe),
124 DEVMETHOD(device_attach, fdc_pccard_attach),
125 DEVMETHOD(device_detach, fdc_detach),
126 DEVMETHOD(device_shutdown, bus_generic_shutdown),
127 DEVMETHOD(device_suspend, bus_generic_suspend),
128 DEVMETHOD(device_resume, bus_generic_resume),
129
130 /* Bus interface */
131 DEVMETHOD(bus_print_child, fdc_print_child),
132 DEVMETHOD(bus_read_ivar, fdc_read_ivar),
133 DEVMETHOD(bus_write_ivar, fdc_write_ivar),
134 /* Our children never use any other bus interface methods. */
135
136 { 0, 0 }
137 };
138
139 static driver_t fdc_pccard_driver = {
140 "fdc",
141 fdc_pccard_methods,
142 sizeof(struct fdc_data)
143 };
144
145 DRIVER_MODULE(fdc, pccard, fdc_pccard_driver, fdc_devclass, 0, 0);
146 PCCARD_PNP_INFO(fdc_pccard_products);
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