Initial import from FreeBSD RELENG_4:
[dragonfly.git] / sys / dev / disk / aic / aic_pccard.c
CommitLineData
984263bc
MD
1/*-
2 * Copyright (c) 1999 Luoqi Chen.
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 * $FreeBSD: src/sys/dev/aic/aic_pccard.c,v 1.1 2000/01/14 23:42:36 imp Exp $
27 */
28
29#include <sys/param.h>
30#include <sys/systm.h>
31#include <sys/kernel.h>
32#include <sys/module.h>
33#include <sys/bus.h>
34
35#include <machine/bus_pio.h>
36#include <machine/bus.h>
37#include <machine/resource.h>
38#include <sys/rman.h>
39
40#include <dev/aic/aic6360reg.h>
41#include <dev/aic/aicvar.h>
42
43struct aic_pccard_softc {
44 struct aic_softc sc_aic;
45 struct resource *sc_port;
46 struct resource *sc_irq;
47 void *sc_ih;
48};
49
50static int aic_pccard_alloc_resources __P((device_t));
51static void aic_pccard_release_resources __P((device_t));
52static int aic_pccard_probe __P((device_t));
53static int aic_pccard_attach __P((device_t));
54
55#define AIC_PCCARD_PORTSIZE 0x20
56
57static int
58aic_pccard_alloc_resources(device_t dev)
59{
60 struct aic_pccard_softc *sc = device_get_softc(dev);
61 int rid;
62
63 sc->sc_port = sc->sc_irq = 0;
64
65 rid = 0;
66 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
67 0ul, ~0ul, AIC_PCCARD_PORTSIZE, RF_ACTIVE);
68 if (!sc->sc_port)
69 return (ENOMEM);
70
71 rid = 0;
72 sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
73 0ul, ~0ul, 1, RF_ACTIVE);
74 if (!sc->sc_irq) {
75 aic_pccard_release_resources(dev);
76 return (ENOMEM);
77 }
78
79 sc->sc_aic.unit = device_get_unit(dev);
80 sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
81 sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
82 return (0);
83}
84
85static void
86aic_pccard_release_resources(device_t dev)
87{
88 struct aic_pccard_softc *sc = device_get_softc(dev);
89
90 if (sc->sc_port)
91 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
92 if (sc->sc_irq)
93 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
94 sc->sc_port = sc->sc_irq = 0;
95}
96
97static int
98aic_pccard_probe(device_t dev)
99{
100 struct aic_pccard_softc *sc = device_get_softc(dev);
101 struct aic_softc *aic = &sc->sc_aic;
102
103 if (aic_pccard_alloc_resources(dev))
104 return (ENXIO);
105 if (aic_probe(aic)) {
106 aic_pccard_release_resources(dev);
107 return (ENXIO);
108 }
109 aic_pccard_release_resources(dev);
110
111 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
112 return (0);
113}
114
115static int
116aic_pccard_attach(device_t dev)
117{
118 struct aic_pccard_softc *sc = device_get_softc(dev);
119 struct aic_softc *aic = &sc->sc_aic;
120 int error;
121
122 error = aic_pccard_alloc_resources(dev);
123 if (error) {
124 device_printf(dev, "resource allocation failed\n");
125 return (error);
126 }
127
128 error = aic_attach(aic);
129 if (error) {
130 device_printf(dev, "attach failed\n");
131 aic_pccard_release_resources(dev);
132 return (error);
133 }
134
135 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM, aic_intr,
136 aic, &sc->sc_ih);
137 if (error) {
138 device_printf(dev, "failed to register interrupt handler\n");
139 aic_pccard_release_resources(dev);
140 return (error);
141 }
142 return (0);
143}
144
145static int
146aic_pccard_detach(device_t dev)
147{
148 struct aic_pccard_softc *sc = device_get_softc(dev);
149 struct aic_softc *aic = &sc->sc_aic;
150 int error;
151
152 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
153 if (error) {
154 device_printf(dev, "failed to unregister interrupt handler\n");
155 }
156
157 error = aic_detach(aic);
158 if (error) {
159 device_printf(dev, "detach failed\n");
160 return (error);
161 }
162
163 aic_pccard_release_resources(dev);
164 return (0);
165}
166
167static device_method_t aic_pccard_methods[] = {
168 /* Device interface */
169 DEVMETHOD(device_probe, aic_pccard_probe),
170 DEVMETHOD(device_attach, aic_pccard_attach),
171 DEVMETHOD(device_detach, aic_pccard_detach),
172 { 0, 0 }
173};
174
175static driver_t aic_pccard_driver = {
176 "aic",
177 aic_pccard_methods, sizeof(struct aic_pccard_softc),
178};
179
180extern devclass_t aic_devclass;
181
182DRIVER_MODULE(aic, pccard, aic_pccard_driver, aic_devclass, 0, 0);