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 170872 2007-06-17 05:55:54Z scottl $");
29
30#include <sys/param.h>
31#include <sys/kernel.h>
32#include <sys/module.h>
33#include <sys/bus.h>
34
35#include <machine/bus.h>
36#include <machine/resource.h>
37#include <sys/rman.h>
38
39#include <isa/isavar.h>
40#include <dev/aic/aic6360reg.h>
41#include <dev/aic/aicvar.h>
42
43struct aic_isa_softc {
44 struct aic_softc sc_aic;
45 struct resource *sc_port;
46 struct resource *sc_irq;
47 struct resource *sc_drq;
48 void *sc_ih;
49};
50
51static int aic_isa_alloc_resources(device_t);
52static void aic_isa_release_resources(device_t);
53static int aic_isa_probe(device_t);
54static int aic_isa_attach(device_t);
55
56static u_int aic_isa_ports[] = { 0x340, 0x140 };
57#define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
58#define AIC_ISA_PORTSIZE 0x20
59
60static struct isa_pnp_id aic_ids[] = {
61 { 0x15309004, "Adaptec AHA-1530P" },
62 { 0x15209004, "Adaptec AHA-1520P" },
63 { 0 }
64};
65
66static int
67aic_isa_alloc_resources(device_t dev)
68{
69 struct aic_isa_softc *sc = device_get_softc(dev);
70 int rid;
71
72 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
73
74 rid = 0;
75 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
76 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
77 if (!sc->sc_port) {
78 device_printf(dev, "I/O port allocation failed\n");
79 return (ENOMEM);
80 }
81
82 if (isa_get_irq(dev) != -1) {
83 rid = 0;
84 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
85 RF_ACTIVE);
86 if (!sc->sc_irq) {
87 device_printf(dev, "IRQ allocation failed\n");
88 aic_isa_release_resources(dev);
89 return (ENOMEM);
90 }
91 }
92
93 if (isa_get_drq(dev) != -1) {
94 rid = 0;
95 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
96 RF_ACTIVE);
97 if (!sc->sc_drq) {
98 device_printf(dev, "DRQ allocation failed\n");
99 aic_isa_release_resources(dev);
100 return (ENOMEM);
101 }
102 }
103
104 sc->sc_aic.dev = dev;
105 sc->sc_aic.unit = device_get_unit(dev);
106 sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
107 sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
108 return (0);
109}
110
111static void
112aic_isa_release_resources(device_t dev)
113{
114 struct aic_isa_softc *sc = device_get_softc(dev);
115
116 if (sc->sc_port)
117 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
118 if (sc->sc_irq)
119 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
120 if (sc->sc_drq)
121 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
122 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
123}
124
125static int
126aic_isa_probe(device_t dev)
127{
128 struct aic_isa_softc *sc = device_get_softc(dev);
129 struct aic_softc *aic = &sc->sc_aic;
130 int numports, i;
131 u_int port, *ports;
132 u_int8_t porta;
133
134 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
135 return (ENXIO);
136
137 port = isa_get_port(dev);
138 if (port != -1) {
139 ports = &port;
140 numports = 1;
141 } else {
142 ports = aic_isa_ports;
143 numports = AIC_ISA_NUMPORTS;
144 }
145
146 for (i = 0; i < numports; i++) {
147 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
148 AIC_ISA_PORTSIZE))
149 continue;
150 if (aic_isa_alloc_resources(dev))
151 continue;
152 if (!aic_probe(aic)) {
153 aic_isa_release_resources(dev);
154 break;
155 }
156 aic_isa_release_resources(dev);
157 }
158
159 if (i == numports)
160 return (ENXIO);
161
162 porta = aic_inb(aic, PORTA);
163 if (isa_get_irq(dev) == -1)
164 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
165 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
166 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
167 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
168 return (0);
169}
170
171static int
172aic_isa_attach(device_t dev)
173{
174 struct aic_isa_softc *sc = device_get_softc(dev);
175 struct aic_softc *aic = &sc->sc_aic;
176 int error;
177
178 error = aic_isa_alloc_resources(dev);
179 if (error) {
180 device_printf(dev, "resource allocation failed\n");
181 return (error);
182 }
183
184 error = aic_attach(aic);
185 if (error) {
186 device_printf(dev, "attach failed\n");
187 aic_isa_release_resources(dev);
188 return (error);
189 }
190
191 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM|INTR_ENTROPY,
192 NULL, aic_intr, aic, &sc->sc_ih);
193 if (error) {
194 device_printf(dev, "failed to register interrupt handler\n");
195 aic_isa_release_resources(dev);
196 return (error);
197 }
198 return (0);
199}
200
201static int
202aic_isa_detach(device_t dev)
203{
204 struct aic_isa_softc *sc = device_get_softc(dev);
205 struct aic_softc *aic = &sc->sc_aic;
206 int error;
207
208 error = aic_detach(aic);
209 if (error) {
210 device_printf(dev, "detach failed\n");
211 return (error);
212 }
213
214 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
215 if (error) {
216 device_printf(dev, "failed to unregister interrupt handler\n");
217 }
218
219 aic_isa_release_resources(dev);
220 return (0);
221}
222
223static device_method_t aic_isa_methods[] = {
224 /* Device interface */
225 DEVMETHOD(device_probe, aic_isa_probe),
226 DEVMETHOD(device_attach, aic_isa_attach),
227 DEVMETHOD(device_detach, aic_isa_detach),
228 { 0, 0 }
229};
230
231static driver_t aic_isa_driver = {
232 "aic",
233 aic_isa_methods, sizeof(struct aic_isa_softc),
234};
235
236extern devclass_t aic_devclass;
237
238MODULE_DEPEND(aic, cam, 1,1,1);
239DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);