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 1.7 2006/10/25 20:55:53 dillon Exp $
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
37 #include <bus/isa/isavar.h>
38 #include "aic6360reg.h"
41 struct aic_isa_softc {
42 struct aic_softc sc_aic;
43 struct resource *sc_port;
44 struct resource *sc_irq;
45 struct resource *sc_drq;
49 static int aic_isa_alloc_resources (device_t);
50 static void aic_isa_release_resources (device_t);
51 static int aic_isa_probe (device_t);
52 static int aic_isa_attach (device_t);
54 static u_int aic_isa_ports[] = { 0x340, 0x140 };
55 #define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
56 #define AIC_ISA_PORTSIZE 0x20
59 aic_isa_alloc_resources(device_t dev)
61 struct aic_isa_softc *sc = device_get_softc(dev);
64 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
67 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
68 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
72 if (isa_get_irq(dev) != -1) {
74 sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
75 0ul, ~0ul, 1, RF_ACTIVE);
77 aic_isa_release_resources(dev);
82 if (isa_get_drq(dev) != -1) {
84 sc->sc_drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
85 0ul, ~0ul, 1, RF_ACTIVE);
87 aic_isa_release_resources(dev);
92 sc->sc_aic.unit = device_get_unit(dev);
93 sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
94 sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
99 aic_isa_release_resources(device_t dev)
101 struct aic_isa_softc *sc = device_get_softc(dev);
104 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
106 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
108 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
109 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
113 aic_isa_probe(device_t dev)
115 struct aic_isa_softc *sc = device_get_softc(dev);
116 struct aic_softc *aic = &sc->sc_aic;
121 if (isa_get_vendorid(dev))
124 port = isa_get_port(dev);
129 ports = aic_isa_ports;
130 numports = AIC_ISA_NUMPORTS;
133 for (i = 0; i < numports; i++) {
134 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
137 if (aic_isa_alloc_resources(dev))
139 if (!aic_probe(aic)) {
140 aic_isa_release_resources(dev);
143 aic_isa_release_resources(dev);
149 porta = aic_inb(aic, PORTA);
150 if (isa_get_irq(dev) == -1)
151 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
152 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
153 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
154 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
159 aic_isa_attach(device_t dev)
161 struct aic_isa_softc *sc = device_get_softc(dev);
162 struct aic_softc *aic = &sc->sc_aic;
165 error = aic_isa_alloc_resources(dev);
167 device_printf(dev, "resource allocation failed\n");
171 error = aic_attach(aic);
173 device_printf(dev, "attach failed\n");
174 aic_isa_release_resources(dev);
178 error = bus_setup_intr(dev, sc->sc_irq, 0, aic_intr,
179 aic, &sc->sc_ih, NULL);
181 device_printf(dev, "failed to register interrupt handler\n");
182 aic_isa_release_resources(dev);
189 aic_isa_detach(device_t dev)
191 struct aic_isa_softc *sc = device_get_softc(dev);
192 struct aic_softc *aic = &sc->sc_aic;
195 error = aic_detach(aic);
197 device_printf(dev, "detach failed\n");
201 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
203 device_printf(dev, "failed to unregister interrupt handler\n");
206 aic_isa_release_resources(dev);
210 static device_method_t aic_isa_methods[] = {
211 /* Device interface */
212 DEVMETHOD(device_probe, aic_isa_probe),
213 DEVMETHOD(device_attach, aic_isa_attach),
214 DEVMETHOD(device_detach, aic_isa_detach),
218 static driver_t aic_isa_driver = {
220 aic_isa_methods, sizeof(struct aic_isa_softc),
223 extern devclass_t aic_devclass;
225 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);