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_cbus.c,v 1.1.2.2 2000/06/21 09:37:09 nyan Exp $
27 * $DragonFly: src/sys/dev/disk/aic/Attic/aic_cbus.c,v 1.2 2003/06/17 04:28:21 dillon 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 <isa/isavar.h>
42 #include <dev/aic/aic6360reg.h>
43 #include <dev/aic/aicvar.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 __P((device_t));
54 static void aic_isa_release_resources __P((device_t));
55 static int aic_isa_probe __P((device_t));
56 static int aic_isa_attach __P((device_t));
59 static u_int aic_isa_ports[] = { 0x1840 };
61 static u_int aic_isa_ports[] = { 0x340, 0x140 };
63 #define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
64 #define AIC_ISA_PORTSIZE 0x20
67 #define AIC98_GENERIC 0x00
68 #define AIC98_NEC100 0x01
69 #define AIC_TYPE98(x) (((x) >> 16) & 0x01)
71 static bus_addr_t aicport_generic[AIC_ISA_PORTSIZE] = {
72 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
73 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
74 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
75 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
77 static bus_addr_t aicport_100[AIC_ISA_PORTSIZE] = {
78 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
79 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
80 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
81 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
84 static struct isa_pnp_id aic_ids[] = {
85 { 0xa180a3b8, "NEC PC9801-100"},
91 aic_isa_alloc_resources(device_t dev)
93 struct aic_isa_softc *sc = device_get_softc(dev);
98 if ((isa_get_logicalid(dev) == 0xa180a3b8) ||
99 (AIC_TYPE98(device_get_flags(dev)) == AIC98_NEC100))
100 bs_iat = aicport_100;
102 bs_iat = aicport_generic;
105 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
109 sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
110 bs_iat, AIC_ISA_PORTSIZE, RF_ACTIVE);
112 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
113 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
118 isa_load_resourcev(sc->sc_port, bs_iat, AIC_ISA_PORTSIZE);
121 if (isa_get_irq(dev) != -1) {
123 sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
124 0ul, ~0ul, 1, RF_ACTIVE);
126 aic_isa_release_resources(dev);
131 if (isa_get_drq(dev) != -1) {
133 sc->sc_drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
134 0ul, ~0ul, 1, RF_ACTIVE);
136 aic_isa_release_resources(dev);
141 sc->sc_aic.unit = device_get_unit(dev);
142 sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
143 sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
148 aic_isa_release_resources(device_t dev)
150 struct aic_isa_softc *sc = device_get_softc(dev);
153 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
155 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
157 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
158 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
162 aic_isa_probe(device_t dev)
164 struct aic_isa_softc *sc = device_get_softc(dev);
165 struct aic_softc *aic = &sc->sc_aic;
171 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
173 if (isa_get_vendorid(dev))
177 port = isa_get_port(dev);
182 ports = aic_isa_ports;
183 numports = AIC_ISA_NUMPORTS;
186 for (i = 0; i < numports; i++) {
188 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 1))
191 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
195 if (aic_isa_alloc_resources(dev))
197 if (!aic_probe(aic)) {
198 aic_isa_release_resources(dev);
201 aic_isa_release_resources(dev);
207 porta = aic_inb(aic, PORTA);
208 if (isa_get_irq(dev) == -1)
209 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
210 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
211 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
212 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
217 aic_isa_attach(device_t dev)
219 struct aic_isa_softc *sc = device_get_softc(dev);
220 struct aic_softc *aic = &sc->sc_aic;
223 error = aic_isa_alloc_resources(dev);
225 device_printf(dev, "resource allocation failed\n");
229 error = aic_attach(aic);
231 device_printf(dev, "attach failed\n");
232 aic_isa_release_resources(dev);
236 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM, aic_intr,
239 device_printf(dev, "failed to register interrupt handler\n");
240 aic_isa_release_resources(dev);
247 aic_isa_detach(device_t dev)
249 struct aic_isa_softc *sc = device_get_softc(dev);
250 struct aic_softc *aic = &sc->sc_aic;
253 error = aic_detach(aic);
255 device_printf(dev, "detach failed\n");
259 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
261 device_printf(dev, "failed to unregister interrupt handler\n");
264 aic_isa_release_resources(dev);
268 static device_method_t aic_isa_methods[] = {
269 /* Device interface */
270 DEVMETHOD(device_probe, aic_isa_probe),
271 DEVMETHOD(device_attach, aic_isa_attach),
272 DEVMETHOD(device_detach, aic_isa_detach),
276 static driver_t aic_isa_driver = {
278 aic_isa_methods, sizeof(struct aic_isa_softc),
281 extern devclass_t aic_devclass;
283 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);