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 $
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
32 #include <sys/module.h>
35 #include <machine/bus_pio.h>
36 #include <machine/bus.h>
37 #include <machine/resource.h>
40 #include <isa/isavar.h>
41 #include <dev/aic/aic6360reg.h>
42 #include <dev/aic/aicvar.h>
44 struct aic_isa_softc {
45 struct aic_softc sc_aic;
46 struct resource *sc_port;
47 struct resource *sc_irq;
48 struct resource *sc_drq;
52 static int aic_isa_alloc_resources __P((device_t));
53 static void aic_isa_release_resources __P((device_t));
54 static int aic_isa_probe __P((device_t));
55 static int aic_isa_attach __P((device_t));
58 static u_int aic_isa_ports[] = { 0x1840 };
60 static u_int aic_isa_ports[] = { 0x340, 0x140 };
62 #define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
63 #define AIC_ISA_PORTSIZE 0x20
66 #define AIC98_GENERIC 0x00
67 #define AIC98_NEC100 0x01
68 #define AIC_TYPE98(x) (((x) >> 16) & 0x01)
70 static bus_addr_t aicport_generic[AIC_ISA_PORTSIZE] = {
71 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
72 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
73 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
74 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
76 static bus_addr_t aicport_100[AIC_ISA_PORTSIZE] = {
77 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
78 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
79 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
80 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
83 static struct isa_pnp_id aic_ids[] = {
84 { 0xa180a3b8, "NEC PC9801-100"},
90 aic_isa_alloc_resources(device_t dev)
92 struct aic_isa_softc *sc = device_get_softc(dev);
97 if ((isa_get_logicalid(dev) == 0xa180a3b8) ||
98 (AIC_TYPE98(device_get_flags(dev)) == AIC98_NEC100))
101 bs_iat = aicport_generic;
104 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
108 sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
109 bs_iat, AIC_ISA_PORTSIZE, RF_ACTIVE);
111 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
112 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
117 isa_load_resourcev(sc->sc_port, bs_iat, AIC_ISA_PORTSIZE);
120 if (isa_get_irq(dev) != -1) {
122 sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
123 0ul, ~0ul, 1, RF_ACTIVE);
125 aic_isa_release_resources(dev);
130 if (isa_get_drq(dev) != -1) {
132 sc->sc_drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
133 0ul, ~0ul, 1, RF_ACTIVE);
135 aic_isa_release_resources(dev);
140 sc->sc_aic.unit = device_get_unit(dev);
141 sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
142 sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
147 aic_isa_release_resources(device_t dev)
149 struct aic_isa_softc *sc = device_get_softc(dev);
152 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
154 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
156 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
157 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
161 aic_isa_probe(device_t dev)
163 struct aic_isa_softc *sc = device_get_softc(dev);
164 struct aic_softc *aic = &sc->sc_aic;
170 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
172 if (isa_get_vendorid(dev))
176 port = isa_get_port(dev);
181 ports = aic_isa_ports;
182 numports = AIC_ISA_NUMPORTS;
185 for (i = 0; i < numports; i++) {
187 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 1))
190 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
194 if (aic_isa_alloc_resources(dev))
196 if (!aic_probe(aic)) {
197 aic_isa_release_resources(dev);
200 aic_isa_release_resources(dev);
206 porta = aic_inb(aic, PORTA);
207 if (isa_get_irq(dev) == -1)
208 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
209 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
210 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
211 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
216 aic_isa_attach(device_t dev)
218 struct aic_isa_softc *sc = device_get_softc(dev);
219 struct aic_softc *aic = &sc->sc_aic;
222 error = aic_isa_alloc_resources(dev);
224 device_printf(dev, "resource allocation failed\n");
228 error = aic_attach(aic);
230 device_printf(dev, "attach failed\n");
231 aic_isa_release_resources(dev);
235 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM, aic_intr,
238 device_printf(dev, "failed to register interrupt handler\n");
239 aic_isa_release_resources(dev);
246 aic_isa_detach(device_t dev)
248 struct aic_isa_softc *sc = device_get_softc(dev);
249 struct aic_softc *aic = &sc->sc_aic;
252 error = aic_detach(aic);
254 device_printf(dev, "detach failed\n");
258 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
260 device_printf(dev, "failed to unregister interrupt handler\n");
263 aic_isa_release_resources(dev);
267 static device_method_t aic_isa_methods[] = {
268 /* Device interface */
269 DEVMETHOD(device_probe, aic_isa_probe),
270 DEVMETHOD(device_attach, aic_isa_attach),
271 DEVMETHOD(device_detach, aic_isa_detach),
275 static driver_t aic_isa_driver = {
277 aic_isa_methods, sizeof(struct aic_isa_softc),
280 extern devclass_t aic_devclass;
282 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);