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 $
29 #include <sys/param.h>
30 #include <sys/kernel.h>
31 #include <sys/module.h>
34 #include <sys/machintr.h>
36 #include <bus/isa/isavar.h>
37 #include "aic6360reg.h"
40 struct aic_isa_softc {
41 struct aic_softc sc_aic;
42 struct resource *sc_port;
43 struct resource *sc_irq;
44 struct resource *sc_drq;
48 static int aic_isa_alloc_resources (device_t);
49 static void aic_isa_release_resources (device_t);
50 static int aic_isa_probe (device_t);
51 static int aic_isa_attach (device_t);
53 static u_int aic_isa_ports[] = { 0x340, 0x140 };
54 #define AIC_ISA_NUMPORTS NELEM(aic_isa_ports)
55 #define AIC_ISA_PORTSIZE 0x20
57 static struct isa_pnp_id aic_ids[] = {
58 { 0x15309004, "Adaptec AHA-1530P" },
59 { 0x15209004, "Adaptec AHA-1520P" },
64 aic_isa_alloc_resources(device_t dev)
66 struct aic_isa_softc *sc = device_get_softc(dev);
69 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
72 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
73 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
75 device_printf(dev, "I/O port allocation failed\n");
79 if (isa_get_irq(dev) != -1) {
81 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
84 device_printf(dev, "IRQ allocation failed\n");
85 aic_isa_release_resources(dev);
90 if (isa_get_drq(dev) != -1) {
92 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
95 device_printf(dev, "DRQ allocation failed\n");
96 aic_isa_release_resources(dev);
101 sc->sc_aic.unit = device_get_unit(dev);
102 sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
103 sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
108 aic_isa_release_resources(device_t dev)
110 struct aic_isa_softc *sc = device_get_softc(dev);
113 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
115 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
117 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
118 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
122 aic_isa_probe(device_t dev)
124 struct aic_isa_softc *sc = device_get_softc(dev);
125 struct aic_softc *aic = &sc->sc_aic;
130 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
133 port = isa_get_port(dev);
138 ports = aic_isa_ports;
139 numports = AIC_ISA_NUMPORTS;
142 for (i = 0; i < numports; i++) {
143 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
144 AIC_ISA_PORTSIZE, -1))
146 if (aic_isa_alloc_resources(dev))
148 if (!aic_probe(aic)) {
149 aic_isa_release_resources(dev);
152 aic_isa_release_resources(dev);
158 porta = aic_inb(aic, PORTA);
159 if (isa_get_irq(dev) == -1) {
160 int irq = PORTA_IRQ(porta);
162 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1,
163 machintr_legacy_intr_cpuid(irq));
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, -1);
167 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
172 aic_isa_attach(device_t dev)
174 struct aic_isa_softc *sc = device_get_softc(dev);
175 struct aic_softc *aic = &sc->sc_aic;
178 error = aic_isa_alloc_resources(dev);
180 device_printf(dev, "resource allocation failed\n");
184 error = aic_attach(aic);
186 device_printf(dev, "attach failed\n");
187 aic_isa_release_resources(dev);
191 error = bus_setup_intr(dev, sc->sc_irq, 0, aic_intr,
192 aic, &sc->sc_ih, NULL);
194 device_printf(dev, "failed to register interrupt handler\n");
195 aic_isa_release_resources(dev);
202 aic_isa_detach(device_t dev)
204 struct aic_isa_softc *sc = device_get_softc(dev);
205 struct aic_softc *aic = &sc->sc_aic;
208 error = aic_detach(aic);
210 device_printf(dev, "detach failed\n");
214 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
216 device_printf(dev, "failed to unregister interrupt handler\n");
219 aic_isa_release_resources(dev);
223 static 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),
231 static driver_t aic_isa_driver = {
233 aic_isa_methods, sizeof(struct aic_isa_softc),
236 extern devclass_t aic_devclass;
238 MODULE_DEPEND(aic, cam, 1,1,1);
239 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, NULL, NULL);