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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/kernel.h>
32 #include <sys/module.h>
35 #include <machine/bus.h>
36 #include <machine/resource.h>
39 #include <isa/isavar.h>
40 #include <dev/aic/aic6360reg.h>
41 #include <dev/aic/aicvar.h>
43 struct aic_isa_softc {
44 struct aic_softc sc_aic;
45 struct resource *sc_port;
46 struct resource *sc_irq;
47 struct resource *sc_drq;
51 static int aic_isa_alloc_resources(device_t);
52 static void aic_isa_release_resources(device_t);
53 static int aic_isa_probe(device_t);
54 static int aic_isa_attach(device_t);
56 static u_int aic_isa_ports[] = { 0x1840 };
57 #define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
58 #define AIC_ISA_PORTSIZE 0x20
60 #define AIC98_GENERIC 0x00
61 #define AIC98_NEC100 0x01
62 #define AIC_TYPE98(x) (((x) >> 16) & 0x01)
64 static bus_addr_t aicport_generic[AIC_ISA_PORTSIZE] = {
65 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
66 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
67 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
68 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
70 static bus_addr_t aicport_100[AIC_ISA_PORTSIZE] = {
71 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
72 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
73 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
74 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
77 static struct isa_pnp_id aic_ids[] = {
78 { 0xa180a3b8, "NEC PC9801-100" },
83 aic_isa_alloc_resources(device_t dev)
85 struct aic_isa_softc *sc = device_get_softc(dev);
89 if ((isa_get_logicalid(dev) == 0xa180a3b8) ||
90 (AIC_TYPE98(device_get_flags(dev)) == AIC98_NEC100))
93 bs_iat = aicport_generic;
95 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
98 sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
99 bs_iat, AIC_ISA_PORTSIZE, RF_ACTIVE);
101 device_printf(dev, "I/O port allocation failed\n");
104 isa_load_resourcev(sc->sc_port, bs_iat, AIC_ISA_PORTSIZE);
106 if (isa_get_irq(dev) != -1) {
108 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
111 device_printf(dev, "IRQ allocation failed\n");
112 aic_isa_release_resources(dev);
117 if (isa_get_drq(dev) != -1) {
119 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
122 device_printf(dev, "DRQ allocation failed\n");
123 aic_isa_release_resources(dev);
128 sc->sc_aic.dev = dev;
129 sc->sc_aic.unit = device_get_unit(dev);
130 sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
131 sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
136 aic_isa_release_resources(device_t dev)
138 struct aic_isa_softc *sc = device_get_softc(dev);
141 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
143 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
145 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
146 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
150 aic_isa_probe(device_t dev)
152 struct aic_isa_softc *sc = device_get_softc(dev);
153 struct aic_softc *aic = &sc->sc_aic;
158 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
161 port = isa_get_port(dev);
166 ports = aic_isa_ports;
167 numports = AIC_ISA_NUMPORTS;
170 for (i = 0; i < numports; i++) {
171 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 1))
173 if (aic_isa_alloc_resources(dev))
175 if (!aic_probe(aic)) {
176 aic_isa_release_resources(dev);
179 aic_isa_release_resources(dev);
185 porta = aic_inb(aic, PORTA);
186 if (isa_get_irq(dev) == -1)
187 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
188 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
189 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
190 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
195 aic_isa_attach(device_t dev)
197 struct aic_isa_softc *sc = device_get_softc(dev);
198 struct aic_softc *aic = &sc->sc_aic;
201 error = aic_isa_alloc_resources(dev);
203 device_printf(dev, "resource allocation failed\n");
207 error = aic_attach(aic);
209 device_printf(dev, "attach failed\n");
210 aic_isa_release_resources(dev);
214 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM|INTR_ENTROPY,
215 NULL, aic_intr, aic, &sc->sc_ih);
217 device_printf(dev, "failed to register interrupt handler\n");
218 aic_isa_release_resources(dev);
225 aic_isa_detach(device_t dev)
227 struct aic_isa_softc *sc = device_get_softc(dev);
228 struct aic_softc *aic = &sc->sc_aic;
231 error = aic_detach(aic);
233 device_printf(dev, "detach failed\n");
237 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
239 device_printf(dev, "failed to unregister interrupt handler\n");
242 aic_isa_release_resources(dev);
246 static device_method_t aic_isa_methods[] = {
247 /* Device interface */
248 DEVMETHOD(device_probe, aic_isa_probe),
249 DEVMETHOD(device_attach, aic_isa_attach),
250 DEVMETHOD(device_detach, aic_isa_detach),
254 static driver_t aic_isa_driver = {
256 aic_isa_methods, sizeof(struct aic_isa_softc),
259 extern devclass_t aic_devclass;
261 MODULE_DEPEND(aic, cam, 1,1,1);
262 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);