xref: /NextBSD/sys/dev/fdc/fdc_pccard.c (revision 4557fabb34e865d7f40be64b39c9e34fa41dbb60)
1 /*-
2  * Copyright (c) 2004-2005 M. Warner Losh.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/bio.h>
32 #include <sys/bus.h>
33 #include <sys/kernel.h>
34 #include <sys/lock.h>
35 #include <sys/module.h>
36 #include <sys/mutex.h>
37 #include <sys/rman.h>
38 #include <sys/systm.h>
39 #include <machine/bus.h>
40 
41 #include <dev/fdc/fdcvar.h>
42 #include <dev/pccard/pccardvar.h>
43 #include "pccarddevs.h"
44 
45 static int fdc_pccard_probe(device_t);
46 static int fdc_pccard_attach(device_t);
47 
48 static const struct pccard_product fdc_pccard_products[] = {
49 	PCMCIA_CARD(YEDATA, EXTERNAL_FDD),
50 };
51 
52 static int
fdc_pccard_alloc_resources(device_t dev,struct fdc_data * fdc)53 fdc_pccard_alloc_resources(device_t dev, struct fdc_data *fdc)
54 {
55 	struct resource *res;
56 	int rid, i;
57 
58 	rid = 0;
59 	res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0ul, ~0ul, 1,
60 	    RF_ACTIVE);
61 	if (res == NULL) {
62 		device_printf(dev, "cannot alloc I/O port range\n");
63 		return (ENXIO);
64 	}
65 	for (i = 0; i < FDC_MAXREG; i++) {
66 		fdc->resio[i] = res;
67 		fdc->ridio[i] = rid;
68 		fdc->ioff[i] = i;
69 		fdc->ioh[i] = rman_get_bushandle(res);
70 	}
71 	fdc->iot = rman_get_bustag(res);
72 
73 	fdc->rid_irq = 0;
74 	fdc->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fdc->rid_irq,
75 	    RF_ACTIVE | RF_SHAREABLE);
76 	if (fdc->res_irq == NULL) {
77 		device_printf(dev, "cannot reserve interrupt line\n");
78 		return (ENXIO);
79 	}
80 	return (0);
81 }
82 
83 static int
fdc_pccard_probe(device_t dev)84 fdc_pccard_probe(device_t dev)
85 {
86 	if (pccard_product_lookup(dev, fdc_pccard_products,
87 	    sizeof(fdc_pccard_products[0]), NULL) != NULL) {
88 		device_set_desc(dev, "PC Card Floppy");
89 		return (0);
90 	}
91 	return (ENXIO);
92 }
93 
94 static int
fdc_pccard_attach(device_t dev)95 fdc_pccard_attach(device_t dev)
96 {
97 	int error;
98 	struct	fdc_data *fdc;
99 	device_t child;
100 
101 	fdc = device_get_softc(dev);
102 	fdc->flags = FDC_NODMA | FDC_NOFAST;
103 	fdc->fdct = FDC_NE765;
104 	error = fdc_pccard_alloc_resources(dev, fdc);
105 	if (error == 0)
106 		error = fdc_attach(dev);
107 	if (error == 0) {
108 		child = fdc_add_child(dev, "fd", -1);
109 		device_set_flags(child, 0x24);
110 		error = bus_generic_attach(dev);
111 	}
112 	if (error)
113 		fdc_release_resources(fdc);
114 	return (error);
115 }
116 
117 static device_method_t fdc_pccard_methods[] = {
118 	/* Device interface */
119 	DEVMETHOD(device_probe,		fdc_pccard_probe),
120 	DEVMETHOD(device_attach,	fdc_pccard_attach),
121 	DEVMETHOD(device_detach,	fdc_detach),
122 	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
123 	DEVMETHOD(device_suspend,	bus_generic_suspend),
124 	DEVMETHOD(device_resume,	bus_generic_resume),
125 
126 	/* Bus interface */
127 	DEVMETHOD(bus_print_child,	fdc_print_child),
128 	DEVMETHOD(bus_read_ivar,	fdc_read_ivar),
129 	DEVMETHOD(bus_write_ivar,       fdc_write_ivar),
130 	/* Our children never use any other bus interface methods. */
131 
132 	{ 0, 0 }
133 };
134 
135 static driver_t fdc_pccard_driver = {
136 	"fdc",
137 	fdc_pccard_methods,
138 	sizeof(struct fdc_data)
139 };
140 
141 DRIVER_MODULE(fdc, pccard, fdc_pccard_driver, fdc_devclass, 0, 0);
142 PCCARD_PNP_INFO(fdc_pccard_products);
143