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
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/dev/aic/aic_isa.c 241591 2012-10-15 16:09:59Z jhb $");
29
30#include <sys/param.h>
31#include <sys/callout.h>
32#include <sys/kernel.h>
33#include <sys/lock.h>
34#include <sys/module.h>
35#include <sys/mutex.h>
36#include <sys/bus.h>
37
38#include <machine/bus.h>
39#include <machine/resource.h>
40#include <sys/rman.h>
41
42#include <isa/isavar.h>
43#include <dev/aic/aic6360reg.h>
44#include <dev/aic/aicvar.h>
45
46struct aic_isa_softc {
47 struct aic_softc sc_aic;
48 struct resource *sc_port;
49 struct resource *sc_irq;
50 struct resource *sc_drq;
51 void *sc_ih;
52};
53
54static int aic_isa_alloc_resources(device_t);
55static void aic_isa_release_resources(device_t);
56static int aic_isa_probe(device_t);
57static int aic_isa_attach(device_t);
58
59static u_int aic_isa_ports[] = { 0x340, 0x140 };
60#define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
61#define AIC_ISA_PORTSIZE 0x20
62
63static struct isa_pnp_id aic_ids[] = {
64 { 0x15309004, "Adaptec AHA-1530P" },
65 { 0x15209004, "Adaptec AHA-1520P" },
66 { 0 }
67};
68
69static int
70aic_isa_alloc_resources(device_t dev)
71{
72 struct aic_isa_softc *sc = device_get_softc(dev);
73 int rid;
74
75 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
76
77 rid = 0;
78 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
79 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
80 if (!sc->sc_port) {
81 device_printf(dev, "I/O port allocation failed\n");
82 return (ENOMEM);
83 }
84
85 if (isa_get_irq(dev) != -1) {
86 rid = 0;
87 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
88 RF_ACTIVE);
89 if (!sc->sc_irq) {
90 device_printf(dev, "IRQ allocation failed\n");
91 aic_isa_release_resources(dev);
92 return (ENOMEM);
93 }
94 }
95
96 if (isa_get_drq(dev) != -1) {
97 rid = 0;
98 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
99 RF_ACTIVE);
100 if (!sc->sc_drq) {
101 device_printf(dev, "DRQ allocation failed\n");
102 aic_isa_release_resources(dev);
103 return (ENOMEM);
104 }
105 }
106
107 sc->sc_aic.dev = dev;
108 sc->sc_aic.res = sc->sc_port;
109 mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF);
110 return (0);
111}
112
113static void
114aic_isa_release_resources(device_t dev)
115{
116 struct aic_isa_softc *sc = device_get_softc(dev);
117
118 if (sc->sc_port)
119 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
120 if (sc->sc_irq)
121 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
122 if (sc->sc_drq)
123 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
124 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
125 mtx_destroy(&sc->sc_aic.lock);
126}
127
128static int
129aic_isa_probe(device_t dev)
130{
131 struct aic_isa_softc *sc = device_get_softc(dev);
132 struct aic_softc *aic = &sc->sc_aic;
133 int numports, i;
134 u_int port, *ports;
135 u_int8_t porta;
136
137 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
138 return (ENXIO);
139
140 port = isa_get_port(dev);
141 if (port != -1) {
142 ports = &port;
143 numports = 1;
144 } else {
145 ports = aic_isa_ports;
146 numports = AIC_ISA_NUMPORTS;
147 }
148
149 for (i = 0; i < numports; i++) {
150 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
151 AIC_ISA_PORTSIZE))
152 continue;
153 if (aic_isa_alloc_resources(dev))
154 continue;
155 if (aic_probe(aic) == 0)
156 break;
157 aic_isa_release_resources(dev);
158 }
159
160 if (i == numports)
161 return (ENXIO);
162
163 porta = aic_inb(aic, PORTA);
164 aic_isa_release_resources(dev);
165 if (isa_get_irq(dev) == -1)
166 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
167 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
168 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
169 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
170 return (0);
171}
172
173static int
174aic_isa_attach(device_t dev)
175{
176 struct aic_isa_softc *sc = device_get_softc(dev);
177 struct aic_softc *aic = &sc->sc_aic;
178 int error;
179
180 error = aic_isa_alloc_resources(dev);
181 if (error) {
182 device_printf(dev, "resource allocation failed\n");
183 return (error);
184 }
185
186 error = aic_attach(aic);
187 if (error) {
188 device_printf(dev, "attach failed\n");
189 aic_isa_release_resources(dev);
190 return (error);
191 }
192
193 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY |
194 INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih);
195 if (error) {
196 device_printf(dev, "failed to register interrupt handler\n");
197 aic_isa_release_resources(dev);
198 return (error);
199 }
200 return (0);
201}
202
203static int
204aic_isa_detach(device_t dev)
205{
206 struct aic_isa_softc *sc = device_get_softc(dev);
207 struct aic_softc *aic = &sc->sc_aic;
208 int error;
209
210 error = aic_detach(aic);
211 if (error) {
212 device_printf(dev, "detach failed\n");
213 return (error);
214 }
215
216 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
217 if (error) {
218 device_printf(dev, "failed to unregister interrupt handler\n");
219 }
220
221 aic_isa_release_resources(dev);
222 return (0);
223}
224
225static device_method_t aic_isa_methods[] = {
226 /* Device interface */
227 DEVMETHOD(device_probe, aic_isa_probe),
228 DEVMETHOD(device_attach, aic_isa_attach),
229 DEVMETHOD(device_detach, aic_isa_detach),
230 { 0, 0 }
231};
232
233static driver_t aic_isa_driver = {
234 "aic",
235 aic_isa_methods, sizeof(struct aic_isa_softc),
236};
237
238extern devclass_t aic_devclass;
239
240MODULE_DEPEND(aic, cam, 1,1,1);
241DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);