/*
* Check the slots looking for a board we recognise
* If we find one, note its address (slot) and call
* the actual probe routine to check it out.
*/
int
ahc_isa_probe(device_t parent, cfdata_t match, void *aux)
{
struct isa_attach_args *ia = aux;
struct ahc_isa_slot *as;
if (ahc_isa_slot_initialized == 0) {
LIST_INIT(&ahc_isa_all_slots);
ahc_isa_slot_initialized = 1;
}
if (ia->ia_nio < 1)
return (0);
if (ia->ia_nirq < 1)
return (0);
if (ISA_DIRECT_CONFIG(ia))
return (0);
if (ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT)
return (ahc_isa_match(ia, ia->ia_io[0].ir_addr));
/*
* Find this bus's state. If we don't yet have a slot
* marker, allocate and initialize one.
*/
for (as = ahc_isa_all_slots.lh_first; as != NULL;
as = as->link.le_next)
if (as->bus == device_unit(parent))
goto found_slot_marker;
/*
* Don't have one, so make one.
*/
as = (struct ahc_isa_slot *)
malloc(sizeof(struct ahc_isa_slot), M_DEVBUF, M_NOWAIT);
if (as == NULL)
panic("ahc_isa_probe: can't allocate slot marker");
as->bus = device_unit(parent);
as->slot = AHC_ISA_MIN_SLOT;
LIST_INSERT_HEAD(&ahc_isa_all_slots, as, link);
found_slot_marker:
for (; as->slot <= AHC_ISA_MAX_SLOT; as->slot++) {
if (ahc_isa_match(ia, EISA_SLOT_ADDR(as->slot) +
AHC_ISA_SLOT_OFFSET)) {
as->slot++; /* next slot to search */
return (1);
}
}
/* No matching cards were found. */
return (0);
}
/*
* Check the slots looking for a board we recognise
* If we find one, note its address (slot) and call
* the actual probe routine to check it out.
*/
int
ahc_isa_probe(struct device *parent, void *match, void *aux)
{
struct isa_attach_args *ia = aux;
struct ahc_isa_slot *as;
if (ahc_isa_slot_initialized == 0) {
LIST_INIT(&ahc_isa_all_slots);
ahc_isa_slot_initialized = 1;
}
if (ia->ia_iobase != IOBASEUNK)
return (ahc_isa_match(ia, ia->ia_iobase));
/*
* Find this bus's state. If we don't yet have a slot
* marker, allocate and initialize one.
*/
LIST_FOREACH(as, &ahc_isa_all_slots, link)
if (as->bus == parent->dv_unit)
goto found_slot_marker;
/*
* Don't have one, so make one.
*/
as = (struct ahc_isa_slot *)
malloc(sizeof(struct ahc_isa_slot), M_DEVBUF, M_NOWAIT);
if (as == NULL)
panic("ahc_isa_probe: can't allocate slot marker");
as->bus = parent->dv_unit;
as->slot = AHC_ISA_MIN_SLOT;
LIST_INSERT_HEAD(&ahc_isa_all_slots, as, link);
found_slot_marker:
for (; as->slot <= AHC_ISA_MAX_SLOT; as->slot++) {
if (ahc_isa_match(ia, EISA_SLOT_ADDR(as->slot) +
AHC_ISA_SLOT_OFFSET)) {
as->slot++; /* next slot to search */
return (1);
}
}
/* No matching cards were found. */
return (0);
}
