void
acpi_config_intr(device_t dev, ACPI_RESOURCE *res)
{
u_int irq;
int pol, trig;
switch (res->Type) {
case ACPI_RESOURCE_TYPE_IRQ:
KASSERT(res->Data.Irq.InterruptCount == 1,
("%s: multiple interrupts", __func__));
irq = res->Data.Irq.Interrupts[0];
trig = res->Data.Irq.Triggering;
pol = res->Data.Irq.Polarity;
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
KASSERT(res->Data.ExtendedIrq.InterruptCount == 1,
("%s: multiple interrupts", __func__));
irq = res->Data.ExtendedIrq.Interrupts[0];
trig = res->Data.ExtendedIrq.Triggering;
pol = res->Data.ExtendedIrq.Polarity;
break;
default:
panic("%s: bad resource type %u", __func__, res->Type);
}
if (irq == AcpiGbl_FADT.SciInterrupt) {
if (bootverbose)
kprintf("acpi_config_intr: Skip SCI config\n");
return;
}
BUS_CONFIG_INTR(dev, dev, irq, (trig == ACPI_EDGE_SENSITIVE) ?
INTR_TRIGGER_EDGE : INTR_TRIGGER_LEVEL, (pol == ACPI_ACTIVE_HIGH) ?
INTR_POLARITY_HIGH : INTR_POLARITY_LOW);
}
int
acpi_machdep_init(device_t dev)
{
struct acpi_softc *acpi_sc;
acpi_sc = devclass_get_softc(devclass_find("acpi"), 0);
/* Create a clone for /dev/acpi also. */
STAILQ_INIT(&acpi_sc->apm_cdevs);
acpi_sc->acpi_clone = apm_create_clone(acpi_sc->acpi_dev_t, acpi_sc);
clone_setup(&apm_clones);
EVENTHANDLER_REGISTER(dev_clone, apm_clone, 0, 1000);
acpi_install_wakeup_handler(acpi_sc);
if (intr_model == ACPI_INTR_PIC)
BUS_CONFIG_INTR(dev, AcpiGbl_FADT.SciInterrupt,
INTR_TRIGGER_LEVEL, INTR_POLARITY_LOW);
else
acpi_SetIntrModel(intr_model);
SYSCTL_ADD_UINT(&acpi_sc->acpi_sysctl_ctx,
SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO,
"reset_video", CTLFLAG_RW, &acpi_reset_video, 0,
"Call the VESA reset BIOS vector on the resume path");
return (0);
}
static int
mptable_pci_route_interrupt(device_t pcib, device_t dev, int pin)
{
int line, bus, slot, irq;
bus = pci_get_bus(dev);
slot = pci_get_slot(dev);
irq = pci_get_irq(dev);
line = mptable_pci_int_route(bus, slot, pin, irq);
if (line >= 0)
goto done;
kprintf("MPTABLE: Unable to route for bus %d slot %d INT%c\n",
bus, slot, 'A' + pin - 1);
return PCI_INVALID_IRQ;
done:
BUS_CONFIG_INTR(dev, dev, line, INTR_TRIGGER_LEVEL, INTR_POLARITY_LOW);
return line;
}
void
acpi_config_intr(device_t dev, ACPI_RESOURCE *res)
{
u_int irq;
int pol, trig;
switch (res->Type) {
case ACPI_RESOURCE_TYPE_IRQ:
KASSERT(res->Data.Irq.InterruptCount == 1,
("%s: multiple interrupts", __func__));
irq = res->Data.Irq.Interrupts[0];
trig = res->Data.Irq.Triggering;
pol = res->Data.Irq.Polarity;
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
KASSERT(res->Data.ExtendedIrq.InterruptCount == 1,
("%s: multiple interrupts", __func__));
irq = res->Data.ExtendedIrq.Interrupts[0];
trig = res->Data.ExtendedIrq.Triggering;
pol = res->Data.ExtendedIrq.Polarity;
break;
default:
panic("%s: bad resource type %u", __func__, res->Type);
}
#if defined(__amd64__) || defined(__i386__)
/*
* XXX: Certain BIOSes have buggy AML that specify an IRQ that is
* edge-sensitive and active-lo. However, edge-sensitive IRQs
* should be active-hi. Force IRQs with an ISA IRQ value to be
* active-hi instead.
*/
if (irq < 16 && trig == ACPI_EDGE_SENSITIVE && pol == ACPI_ACTIVE_LOW)
pol = ACPI_ACTIVE_HIGH;
#endif
BUS_CONFIG_INTR(dev, irq, (trig == ACPI_EDGE_SENSITIVE) ?
INTR_TRIGGER_EDGE : INTR_TRIGGER_LEVEL, (pol == ACPI_ACTIVE_HIGH) ?
INTR_POLARITY_HIGH : INTR_POLARITY_LOW);
}
int
acpi_machdep_init(device_t dev)
{
struct acpi_softc *sc;
sc = device_get_softc(dev);
acpi_apm_init(sc);
acpi_install_wakeup_handler(sc);
if (intr_model == ACPI_INTR_PIC)
BUS_CONFIG_INTR(dev, AcpiGbl_FADT.SciInterrupt,
INTR_TRIGGER_LEVEL, INTR_POLARITY_LOW);
else
acpi_SetIntrModel(intr_model);
SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
"reset_video", CTLFLAG_RW, &acpi_reset_video, 0,
"Call the VESA reset BIOS vector on the resume path");
return (0);
}
/*
* Route an interrupt for a child of the bridge.
*/
int
acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin,
ACPI_BUFFER *prtbuf)
{
ACPI_PCI_ROUTING_TABLE *prt;
struct prt_lookup_request pr;
ACPI_HANDLE lnkdev;
int interrupt;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
interrupt = PCI_INVALID_IRQ;
/* ACPI numbers pins 0-3, not 1-4 like the BIOS. */
pin--;
ACPI_SERIAL_BEGIN(pcib);
/* Search for a matching entry in the routing table. */
pr.pr_entry = NULL;
pr.pr_pin = pin;
pr.pr_slot = pci_get_slot(dev);
prt_walk_table(prtbuf, prt_lookup_device, &pr);
if (pr.pr_entry == NULL) {
device_printf(pcib, "no PRT entry for %d.%d.INT%c\n", pci_get_bus(dev),
pci_get_slot(dev), 'A' + pin);
goto out;
}
prt = pr.pr_entry;
if (bootverbose) {
device_printf(pcib, "matched entry for %d.%d.INT%c",
pci_get_bus(dev), pci_get_slot(dev), 'A' + pin);
if (prt->Source != NULL && prt->Source[0] != '\0')
printf(" (src %s:%u)", prt->Source, prt->SourceIndex);
printf("\n");
}
/*
* If source is empty/NULL, the source index is a global IRQ number
* and it's hard-wired so we're done.
*
* XXX: If the source index is non-zero, ignore the source device and
* assume that this is a hard-wired entry.
*/
if (prt->Source == NULL || prt->Source[0] == '\0' ||
prt->SourceIndex != 0) {
if (bootverbose)
device_printf(pcib, "slot %d INT%c hardwired to IRQ %d\n",
pci_get_slot(dev), 'A' + pin, prt->SourceIndex);
if (prt->SourceIndex) {
interrupt = prt->SourceIndex;
BUS_CONFIG_INTR(dev, interrupt, INTR_TRIGGER_LEVEL,
INTR_POLARITY_LOW);
} else
device_printf(pcib, "error: invalid hard-wired IRQ of 0\n");
goto out;
}
/*
* We have to find the source device (PCI interrupt link device).
*/
if (ACPI_FAILURE(AcpiGetHandle(ACPI_ROOT_OBJECT, prt->Source, &lnkdev))) {
device_printf(pcib, "couldn't find PCI interrupt link device %s\n",
prt->Source);
goto out;
}
interrupt = acpi_pci_link_route_interrupt(acpi_get_device(lnkdev),
prt->SourceIndex);
if (bootverbose && PCI_INTERRUPT_VALID(interrupt))
device_printf(pcib, "slot %d INT%c routed to irq %d via %s\n",
pci_get_slot(dev), 'A' + pin, interrupt, acpi_name(lnkdev));
out:
ACPI_SERIAL_END(pcib);
return_VALUE(interrupt);
}
