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
45static int fdc_pccard_probe(device_t);
46static int fdc_pccard_attach(device_t);
47
48static const struct pccard_product fdc_pccard_products[] = {
49	PCMCIA_CARD(YEDATA, EXTERNAL_FDD),
50};
51
52static int
53fdc_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
83static int
84fdc_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
94static int
95fdc_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
117static 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
135static driver_t fdc_pccard_driver = {
136	"fdc",
137	fdc_pccard_methods,
138	sizeof(struct fdc_data)
139};
140
141DRIVER_MODULE(fdc, pccard, fdc_pccard_driver, fdc_devclass, 0, 0);
142