status_t
remove_address_space_handler(acpi_handle handle, uint32 spaceId,
acpi_adr_space_handler handler)
{
return AcpiRemoveAddressSpaceHandler(handle, spaceId,
(ACPI_ADR_SPACE_HANDLER)handler) == AE_OK ? B_OK : B_ERROR;
}
static void
smbus_acpi_remove_address_space_handler(struct smbus_acpi_softc *sc)
{
ACPI_HANDLE handle;
ACPI_STATUS s;
handle = acpi_get_handle(sc->parent);
s = AcpiRemoveAddressSpaceHandler(handle, ACPI_ADR_SPACE_GSBUS,
&smbus_acpi_space_handler);
if (ACPI_FAILURE(s)) {
device_printf(sc->dev,
"Failed to remove GSBUS Address Space Handler from ACPI\n");
}
}
static int
acpi_ec_attach(device_t dev)
{
struct acpi_ec_softc *sc;
struct acpi_ec_params *params;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
/* Fetch/initialize softc (assumes softc is pre-zeroed). */
sc = device_get_softc(dev);
params = acpi_get_private(dev);
sc->ec_dev = dev;
sc->ec_handle = acpi_get_handle(dev);
ACPI_SERIAL_INIT(ec);
/* Retrieve previously probed values via device ivars. */
sc->ec_glk = params->glk;
sc->ec_gpebit = params->gpe_bit;
sc->ec_gpehandle = params->gpe_handle;
sc->ec_uid = params->uid;
sc->ec_suspending = FALSE;
acpi_set_private(dev, NULL);
kfree(params, M_TEMP);
/* Attach bus resources for data and command/status ports. */
sc->ec_data_rid = 0;
sc->ec_data_res = bus_alloc_resource_any(sc->ec_dev, SYS_RES_IOPORT,
&sc->ec_data_rid, RF_ACTIVE);
if (sc->ec_data_res == NULL) {
device_printf(dev, "can't allocate data port\n");
goto error;
}
sc->ec_data_tag = rman_get_bustag(sc->ec_data_res);
sc->ec_data_handle = rman_get_bushandle(sc->ec_data_res);
sc->ec_csr_rid = 1;
sc->ec_csr_res = bus_alloc_resource_any(sc->ec_dev, SYS_RES_IOPORT,
&sc->ec_csr_rid, RF_ACTIVE);
if (sc->ec_csr_res == NULL) {
device_printf(dev, "can't allocate command/status port\n");
goto error;
}
sc->ec_csr_tag = rman_get_bustag(sc->ec_csr_res);
sc->ec_csr_handle = rman_get_bushandle(sc->ec_csr_res);
/*
* Install a handler for this EC's GPE bit. We want edge-triggered
* behavior.
*/
ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, "attaching GPE handler\n"));
Status = AcpiInstallGpeHandler(sc->ec_gpehandle, sc->ec_gpebit,
ACPI_GPE_EDGE_TRIGGERED, &EcGpeHandler, sc);
if (ACPI_FAILURE(Status)) {
device_printf(dev, "can't install GPE handler for %s - %s\n",
acpi_name(sc->ec_handle), AcpiFormatException(Status));
goto error;
}
/*
* Install address space handler
*/
ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, "attaching address space handler\n"));
Status = AcpiInstallAddressSpaceHandler(sc->ec_handle, ACPI_ADR_SPACE_EC,
&EcSpaceHandler, &EcSpaceSetup, sc);
if (ACPI_FAILURE(Status)) {
device_printf(dev, "can't install address space handler for %s - %s\n",
acpi_name(sc->ec_handle), AcpiFormatException(Status));
goto error;
}
/* Enable runtime GPEs for the handler */
Status = AcpiEnableGpe(sc->ec_gpehandle, sc->ec_gpebit);
if (ACPI_FAILURE(Status)) {
device_printf(dev, "AcpiEnableGpe failed: %s\n",
AcpiFormatException(Status));
goto error;
}
ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, "acpi_ec_attach complete\n"));
return (0);
error:
AcpiRemoveGpeHandler(sc->ec_gpehandle, sc->ec_gpebit, &EcGpeHandler);
AcpiRemoveAddressSpaceHandler(sc->ec_handle, ACPI_ADR_SPACE_EC,
EcSpaceHandler);
if (sc->ec_csr_res)
bus_release_resource(sc->ec_dev, SYS_RES_IOPORT, sc->ec_csr_rid,
sc->ec_csr_res);
if (sc->ec_data_res)
bus_release_resource(sc->ec_dev, SYS_RES_IOPORT, sc->ec_data_rid,
sc->ec_data_res);
return (ENXIO);
}
ACPI_STATUS
AeInstallHandlers (void)
{
ACPI_STATUS Status;
UINT32 i;
ACPI_HANDLE Handle;
ACPI_FUNCTION_ENTRY ();
Status = AcpiInstallTableHandler (AeTableHandler, NULL);
if (ACPI_FAILURE (Status))
{
printf ("Could not install table handler, %s\n",
AcpiFormatException (Status));
}
Status = AcpiInstallExceptionHandler (AeExceptionHandler);
if (ACPI_FAILURE (Status))
{
printf ("Could not install exception handler, %s\n",
AcpiFormatException (Status));
}
/* Install global notify handler */
Status = AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_SYSTEM_NOTIFY,
AeNotifyHandler, NULL);
if (ACPI_FAILURE (Status))
{
printf ("Could not install a global notify handler, %s\n",
AcpiFormatException (Status));
}
Status = AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_DEVICE_NOTIFY,
AeDeviceNotifyHandler, NULL);
if (ACPI_FAILURE (Status))
{
printf ("Could not install a global notify handler, %s\n",
AcpiFormatException (Status));
}
Status = AcpiGetHandle (NULL, "\\_SB", &Handle);
if (ACPI_SUCCESS (Status))
{
Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
AeNotifyHandler, NULL);
if (ACPI_FAILURE (Status))
{
printf ("Could not install a notify handler, %s\n",
AcpiFormatException (Status));
}
Status = AcpiRemoveNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
AeNotifyHandler);
if (ACPI_FAILURE (Status))
{
printf ("Could not remove a notify handler, %s\n",
AcpiFormatException (Status));
}
Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY,
AeNotifyHandler, NULL);
Status = AcpiRemoveNotifyHandler (Handle, ACPI_ALL_NOTIFY,
AeNotifyHandler);
Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY,
AeNotifyHandler, NULL);
if (ACPI_FAILURE (Status))
{
printf ("Could not install a notify handler, %s\n",
AcpiFormatException (Status));
}
Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle);
Status = AcpiDetachData (Handle, AeAttachedDataHandler);
Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle);
}
else
{
printf ("No _SB_ found, %s\n", AcpiFormatException (Status));
}
/* Set a handler for all supported operation regions */
for (i = 0; i < AEXEC_NUM_REGIONS; i++)
{
Status = AcpiRemoveAddressSpaceHandler (AcpiGbl_RootNode,
SpaceId[i], AeRegionHandler);
/* Install handler at the root object.
* TBD: all default handlers should be installed here!
*/
Status = AcpiInstallAddressSpaceHandler (AcpiGbl_RootNode,
SpaceId[i], AeRegionHandler, AeRegionInit, NULL);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status,
"Could not install an OpRegion handler for %s space(%u)",
AcpiUtGetRegionName((UINT8) SpaceId[i]), SpaceId[i]));
return (Status);
}
}
/*
* Initialize the global Region Handler space
* MCW 3/23/00
*/
AeRegions.NumberOfRegions = 0;
AeRegions.RegionList = NULL;
return Status;
}
