static int
aic_isa_probe(struct isa_device *dev)
{
struct aic_softc _aic, *aic = &_aic;
int numports, i;
u_int port, *ports;
u_int8_t porta;
port = dev->id_iobase;
if (port != -1) {
ports = &port;
numports = 1;
} else {
ports = aic_isa_ports;
numports = AIC_ISA_NUMPORTS;
}
for (i = 0; i < numports; i++) {
#ifdef PC98
aic->bsh_iat = aicport_generic;
if (AIC_TYPE98(dev->id_flags) == AIC98_NEC100) {
/* PC-9801-100 */
aic->bsh_iat = aicport_100;
}
#endif
aic->unit = aic_unit;
aic->tag = I386_BUS_SPACE_IO;
aic->bsh = ports[i];
if (!aic_probe(aic))
break;
}
if (i == numports)
return (0);
porta = aic_inb(aic, PORTA);
if (dev->id_irq <= 0)
dev->id_irq = 1 << PORTA_IRQ(porta);
if ((aic->flags & AIC_DMA_ENABLE) && dev->id_drq == -1)
dev->id_drq = PORTA_DRQ(porta);
dev->id_iobase = aic->bsh;
dev->id_intr = aic_isa_intr;
dev->id_unit = aic_unit++;
#ifdef PC98
if (AIC_TYPE98(dev->id_flags) == AIC98_NEC100)
return (AIC_ISA_PORTSIZE * 2);
#endif
return (AIC_ISA_PORTSIZE);
}
static int
aic_isa_alloc_resources(device_t dev)
{
struct aic_isa_softc *sc = device_get_softc(dev);
int rid;
bus_addr_t *bs_iat;
if ((isa_get_logicalid(dev) == 0xa180a3b8) ||
(AIC_TYPE98(device_get_flags(dev)) == AIC98_NEC100))
bs_iat = aicport_100;
else
bs_iat = aicport_generic;
sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
rid = 0;
sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
bs_iat, AIC_ISA_PORTSIZE, RF_ACTIVE);
if (!sc->sc_port) {
device_printf(dev, "I/O port allocation failed\n");
return (ENOMEM);
}
isa_load_resourcev(sc->sc_port, bs_iat, AIC_ISA_PORTSIZE);
mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF);
if (isa_get_irq(dev) != -1) {
rid = 0;
sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
RF_ACTIVE);
if (!sc->sc_irq) {
device_printf(dev, "IRQ allocation failed\n");
aic_isa_release_resources(dev);
return (ENOMEM);
}
}
if (isa_get_drq(dev) != -1) {
rid = 0;
sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
RF_ACTIVE);
if (!sc->sc_drq) {
device_printf(dev, "DRQ allocation failed\n");
aic_isa_release_resources(dev);
return (ENOMEM);
}
}
sc->sc_aic.dev = dev;
sc->sc_aic.res = sc->sc_port;
return (0);
}
static int
aic_isa_attach(struct isa_device *dev)
{
struct aic_softc *aic = &aic_softcs[dev->id_unit];
aic->unit = dev->id_unit;
aic->tag = I386_BUS_SPACE_IO;
aic->bsh = dev->id_iobase;
#ifdef PC98
aic->bsh_iat = aicport_generic;
if (AIC_TYPE98(dev->id_flags) == AIC98_NEC100) {
/* PC-9801-100 */
aic->bsh_iat = aicport_100;
}
#endif
return (aic_attach(aic) == 0);
}
