2 * Copyright (c) 1999 Luoqi Chen.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
26 * $FreeBSD: src/sys/dev/aic/aic_isa.c,v 1.3 2000/01/14 23:42:35 imp Exp $
27 * $DragonFly: src/sys/dev/disk/aic/aic_isa.c,v 1.4 2003/08/27 10:35:16 rob Exp $
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
36 #include <machine/bus_pio.h>
37 #include <machine/bus.h>
38 #include <machine/resource.h>
41 #include <bus/isa/isavar.h>
42 #include "aic6360reg.h"
45 struct aic_isa_softc {
46 struct aic_softc sc_aic;
47 struct resource *sc_port;
48 struct resource *sc_irq;
49 struct resource *sc_drq;
53 static int aic_isa_alloc_resources (device_t);
54 static void aic_isa_release_resources (device_t);
55 static int aic_isa_probe (device_t);
56 static int aic_isa_attach (device_t);
58 static u_int aic_isa_ports[] = { 0x340, 0x140 };
59 #define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
60 #define AIC_ISA_PORTSIZE 0x20
63 aic_isa_alloc_resources(device_t dev)
65 struct aic_isa_softc *sc = device_get_softc(dev);
68 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
71 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
72 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
76 if (isa_get_irq(dev) != -1) {
78 sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
79 0ul, ~0ul, 1, RF_ACTIVE);
81 aic_isa_release_resources(dev);
86 if (isa_get_drq(dev) != -1) {
88 sc->sc_drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
89 0ul, ~0ul, 1, RF_ACTIVE);
91 aic_isa_release_resources(dev);
96 sc->sc_aic.unit = device_get_unit(dev);
97 sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
98 sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
103 aic_isa_release_resources(device_t dev)
105 struct aic_isa_softc *sc = device_get_softc(dev);
108 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
110 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
112 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
113 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
117 aic_isa_probe(device_t dev)
119 struct aic_isa_softc *sc = device_get_softc(dev);
120 struct aic_softc *aic = &sc->sc_aic;
125 if (isa_get_vendorid(dev))
128 port = isa_get_port(dev);
133 ports = aic_isa_ports;
134 numports = AIC_ISA_NUMPORTS;
137 for (i = 0; i < numports; i++) {
138 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
141 if (aic_isa_alloc_resources(dev))
143 if (!aic_probe(aic)) {
144 aic_isa_release_resources(dev);
147 aic_isa_release_resources(dev);
153 porta = aic_inb(aic, PORTA);
154 if (isa_get_irq(dev) == -1)
155 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
156 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
157 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
158 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
163 aic_isa_attach(device_t dev)
165 struct aic_isa_softc *sc = device_get_softc(dev);
166 struct aic_softc *aic = &sc->sc_aic;
169 error = aic_isa_alloc_resources(dev);
171 device_printf(dev, "resource allocation failed\n");
175 error = aic_attach(aic);
177 device_printf(dev, "attach failed\n");
178 aic_isa_release_resources(dev);
182 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM, aic_intr,
185 device_printf(dev, "failed to register interrupt handler\n");
186 aic_isa_release_resources(dev);
193 aic_isa_detach(device_t dev)
195 struct aic_isa_softc *sc = device_get_softc(dev);
196 struct aic_softc *aic = &sc->sc_aic;
199 error = aic_detach(aic);
201 device_printf(dev, "detach failed\n");
205 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
207 device_printf(dev, "failed to unregister interrupt handler\n");
210 aic_isa_release_resources(dev);
214 static device_method_t aic_isa_methods[] = {
215 /* Device interface */
216 DEVMETHOD(device_probe, aic_isa_probe),
217 DEVMETHOD(device_attach, aic_isa_attach),
218 DEVMETHOD(device_detach, aic_isa_detach),
222 static driver_t aic_isa_driver = {
224 aic_isa_methods, sizeof(struct aic_isa_softc),
227 extern devclass_t aic_devclass;
229 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);