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("$FreeBSD$");
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
46 struct 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
54 static int aic_isa_alloc_resources(device_t);
55 static void aic_isa_release_resources(device_t);
56 static int aic_isa_probe(device_t);
57 static int aic_isa_attach(device_t);
58
59 static u_int aic_isa_ports[] = { 0x340, 0x140 };
60
61 #define AIC_ISA_NUMPORTS nitems(aic_isa_ports)
62 #define AIC_ISA_PORTSIZE 0x20
63
64 static struct isa_pnp_id aic_ids[] = {
65 { 0x15309004, "Adaptec AHA-1530P" },
66 { 0x15209004, "Adaptec AHA-1520P" },
67 { 0 }
68 };
69
70 static int
aic_isa_alloc_resources(device_t dev)71 aic_isa_alloc_resources(device_t dev)
72 {
73 struct aic_isa_softc *sc = device_get_softc(dev);
74 int rid;
75
76 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
77
78 rid = 0;
79 sc->sc_port = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid,
80 AIC_ISA_PORTSIZE, RF_ACTIVE);
81 if (!sc->sc_port) {
82 device_printf(dev, "I/O port allocation failed\n");
83 return (ENOMEM);
84 }
85
86 if (isa_get_irq(dev) != -1) {
87 rid = 0;
88 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
89 RF_ACTIVE);
90 if (!sc->sc_irq) {
91 device_printf(dev, "IRQ allocation failed\n");
92 aic_isa_release_resources(dev);
93 return (ENOMEM);
94 }
95 }
96
97 if (isa_get_drq(dev) != -1) {
98 rid = 0;
99 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
100 RF_ACTIVE);
101 if (!sc->sc_drq) {
102 device_printf(dev, "DRQ allocation failed\n");
103 aic_isa_release_resources(dev);
104 return (ENOMEM);
105 }
106 }
107
108 sc->sc_aic.dev = dev;
109 sc->sc_aic.res = sc->sc_port;
110 mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF);
111 return (0);
112 }
113
114 static void
aic_isa_release_resources(device_t dev)115 aic_isa_release_resources(device_t dev)
116 {
117 struct aic_isa_softc *sc = device_get_softc(dev);
118
119 if (sc->sc_port)
120 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
121 if (sc->sc_irq)
122 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
123 if (sc->sc_drq)
124 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
125 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
126 mtx_destroy(&sc->sc_aic.lock);
127 }
128
129 static int
aic_isa_probe(device_t dev)130 aic_isa_probe(device_t dev)
131 {
132 struct aic_isa_softc *sc = device_get_softc(dev);
133 struct aic_softc *aic = &sc->sc_aic;
134 int numports, i;
135 u_int port, *ports;
136 u_int8_t porta;
137
138 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
139 return (ENXIO);
140
141 port = isa_get_port(dev);
142 if (port != -1) {
143 ports = &port;
144 numports = 1;
145 } else {
146 ports = aic_isa_ports;
147 numports = AIC_ISA_NUMPORTS;
148 }
149
150 for (i = 0; i < numports; i++) {
151 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
152 AIC_ISA_PORTSIZE))
153 continue;
154 if (aic_isa_alloc_resources(dev))
155 continue;
156 if (aic_probe(aic) == 0)
157 break;
158 aic_isa_release_resources(dev);
159 }
160
161 if (i == numports)
162 return (ENXIO);
163
164 porta = aic_inb(aic, PORTA);
165 aic_isa_release_resources(dev);
166 if (isa_get_irq(dev) == -1)
167 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
168 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
169 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
170 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
171 return (0);
172 }
173
174 static int
aic_isa_attach(device_t dev)175 aic_isa_attach(device_t dev)
176 {
177 struct aic_isa_softc *sc = device_get_softc(dev);
178 struct aic_softc *aic = &sc->sc_aic;
179 int error;
180
181 error = aic_isa_alloc_resources(dev);
182 if (error) {
183 device_printf(dev, "resource allocation failed\n");
184 return (error);
185 }
186
187 error = aic_attach(aic);
188 if (error) {
189 device_printf(dev, "attach failed\n");
190 aic_isa_release_resources(dev);
191 return (error);
192 }
193
194 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY |
195 INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih);
196 if (error) {
197 device_printf(dev, "failed to register interrupt handler\n");
198 aic_isa_release_resources(dev);
199 return (error);
200 }
201 return (0);
202 }
203
204 static int
aic_isa_detach(device_t dev)205 aic_isa_detach(device_t dev)
206 {
207 struct aic_isa_softc *sc = device_get_softc(dev);
208 struct aic_softc *aic = &sc->sc_aic;
209 int error;
210
211 error = aic_detach(aic);
212 if (error) {
213 device_printf(dev, "detach failed\n");
214 return (error);
215 }
216
217 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
218 if (error) {
219 device_printf(dev, "failed to unregister interrupt handler\n");
220 }
221
222 aic_isa_release_resources(dev);
223 return (0);
224 }
225
226 static device_method_t aic_isa_methods[] = {
227 /* Device interface */
228 DEVMETHOD(device_probe, aic_isa_probe),
229 DEVMETHOD(device_attach, aic_isa_attach),
230 DEVMETHOD(device_detach, aic_isa_detach),
231 { 0, 0 }
232 };
233
234 static driver_t aic_isa_driver = {
235 "aic",
236 aic_isa_methods, sizeof(struct aic_isa_softc),
237 };
238
239 extern devclass_t aic_devclass;
240
241 MODULE_DEPEND(aic, cam, 1,1,1);
242 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);
243