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ACPICA: Detect GED device and keep track of _EVT

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ACPICA commit dc6fd1d12903015726a8a6f87f63e86141576a68

The GED device is described by a _HID of ACPI0013.
This code traverses the namespace identifying all GED devices.
For each GED device in the namespace we record 1) the Interrupt objects
and the _EVT method.

This information is used when an interrupt is simulate.

Link: https://github.com/acpica/acpica/commit/dc6fd1d1
Signed-off-by: Jose Marinho <jose.marinho@arm.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Jose Marinho 2023-03-28 10:50:46 +01:00 committed by Rafael J. Wysocki
parent 9558c2a242
commit 24a4b87245
3 changed files with 10 additions and 0 deletions
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1
drivers/acpi/acpica/acglobal.h
View file

@ -129,6 +129,7 @@ ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
ACPI_GLOBAL(struct acpi_ged_handler_info *, acpi_gbl_ged_handler_list);
/* Owner ID support */

8
drivers/acpi/acpica/aclocal.h
View file

@ -543,6 +543,14 @@ struct acpi_field_info {
u32 pkg_length;
};
/* Information about the interrupt ID and _EVT of a GED device */
struct acpi_ged_handler_info {
struct acpi_ged_handler_info *next;
u32 int_id; /* The interrupt ID that triggers the execution ofthe evt_method. */
struct acpi_namespace_node *evt_method; /* The _EVT method to be executed when an interrupt with ID = int_ID is received */
};
/*****************************************************************************
*
* Generic "state" object for stacks

1
include/acpi/acnames.h
View file

@ -22,6 +22,7 @@
#define METHOD_NAME__DDN "_DDN"
#define METHOD_NAME__DIS "_DIS"
#define METHOD_NAME__DMA "_DMA"
#define METHOD_NAME__EVT "_EVT"
#define METHOD_NAME__HID "_HID"
#define METHOD_NAME__INI "_INI"
#define METHOD_NAME__PLD "_PLD"