9 #include <sys/kernel.h>
10 #include <sys/module.h>
12 #include <sys/fcntl.h>
18 #include <sys/mutex.h>
20 #include <machine/bus.h>
21 #include <machine/resource.h>
24 #include <isa/isavar.h>
26 #include <dev/mcd/mcdreg.h>
27 #include <dev/mcd/mcdvar.h>
29 static int mcd_isa_probe (device_t);
30 static int mcd_isa_attach (device_t);
31 static int mcd_isa_detach (device_t);
33 static int mcd_alloc_resources (device_t);
34 static void mcd_release_resources (device_t);
37 mcd_isa_probe (device_t dev)
39 struct mcd_softc * sc;
43 if (isa_get_vendorid(dev))
46 /* IO port must be configured. */
47 if (bus_get_resource_start(dev, SYS_RES_IOPORT, 0) == 0)
50 sc = device_get_softc(dev);
53 sc->port_type = SYS_RES_IOPORT;
54 error = mcd_alloc_resources(dev);
58 error = mcd_probe(sc);
60 device_printf(dev, "Probe failed.\n");
64 device_set_desc(dev, sc->data.name);
67 mcd_release_resources(dev);
72 mcd_isa_attach (device_t dev)
74 struct mcd_softc * sc;
77 sc = device_get_softc(dev);
82 sc->port_type = SYS_RES_IOPORT;
83 error = mcd_alloc_resources(dev);
87 error = mcd_probe(sc);
89 device_printf(dev, "Re-Probe failed.\n");
93 error = mcd_attach(sc);
95 device_printf(dev, "Attach failed.\n");
101 mcd_release_resources(dev);
106 mcd_isa_detach (device_t dev)
108 struct mcd_softc * sc;
111 sc = device_get_softc(dev);
114 destroy_dev(sc->mcd_dev_t);
116 mcd_release_resources(dev);
122 mcd_alloc_resources (device_t dev)
124 struct mcd_softc * sc;
127 sc = device_get_softc(dev);
129 mtx_init(&sc->mtx, "mcd", NULL, MTX_DEF);
132 sc->port = bus_alloc_resource_any(dev, sc->port_type,
133 &sc->port_rid, RF_ACTIVE);
134 if (sc->port == NULL) {
135 device_printf(dev, "Unable to allocate PORT resource.\n");
142 sc->irq = bus_alloc_resource_any(dev, sc->irq_type,
143 &sc->irq_rid, RF_ACTIVE);
144 if (sc->irq == NULL) {
145 device_printf(dev, "Unable to allocate IRQ resource.\n");
152 sc->drq = bus_alloc_resource_any(dev, sc->drq_type,
153 &sc->drq_rid, RF_ACTIVE);
154 if (sc->drq == NULL) {
155 device_printf(dev, "Unable to allocate DRQ resource.\n");
166 mcd_release_resources (device_t dev)
168 struct mcd_softc * sc;
170 sc = device_get_softc(dev);
173 bus_teardown_intr(dev, sc->irq, sc->irq_ih);
175 bus_release_resource(dev, sc->port_type, sc->port_rid, sc->port);
177 bus_release_resource(dev, sc->irq_type, sc->irq_rid, sc->irq);
179 bus_release_resource(dev, sc->drq_type, sc->drq_rid, sc->drq);
181 mtx_destroy(&sc->mtx);
186 static device_method_t mcd_isa_methods[] = {
187 DEVMETHOD(device_probe, mcd_isa_probe),
188 DEVMETHOD(device_attach, mcd_isa_attach),
189 DEVMETHOD(device_detach, mcd_isa_detach),
194 static driver_t mcd_isa_driver = {
197 sizeof(struct mcd_softc)
200 static devclass_t mcd_devclass;
202 DRIVER_MODULE(mcd, isa, mcd_isa_driver, mcd_devclass, NULL, 0);