drivers/acpi/acpica/utdecode.c

Source file repositories/reference/linux-study-clean/drivers/acpi/acpica/utdecode.c

File Facts

System
Linux kernel
Corpus path
drivers/acpi/acpica/utdecode.c
Extension
.c
Size
15553 bytes
Lines
582
Domain
Driver Families
Bucket
drivers/acpi
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

switch (type) {
		case ACPI_TYPE_ANY:
		case ACPI_TYPE_DEVICE:
			return (acpi_gbl_device_notify[notify_value - 0x80]);

		case ACPI_TYPE_PROCESSOR:
			return (acpi_gbl_processor_notify[notify_value - 0x80]);

		case ACPI_TYPE_THERMAL:
			return (acpi_gbl_thermal_notify[notify_value - 0x80]);

		default:
			return ("Target object type does not support notifies");
		}
	}

	/* 84 - BF are device-specific */

	if (notify_value <= ACPI_MAX_DEVICE_SPECIFIC_NOTIFY) {
		return ("Device-Specific");
	}

	/* C0 and above are hardware-specific */

	return ("Hardware-Specific");
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_get_argument_type_name
 *
 * PARAMETERS:  arg_type            - an ARGP_* parser argument type
 *
 * RETURN:      Decoded ARGP_* type
 *
 * DESCRIPTION: Decode an ARGP_* parser type, as defined in the amlcode.h file,
 *              and used in the acopcode.h file. For example, ARGP_TERMARG.
 *              Used for debug only.
 *
 ******************************************************************************/

static const char *acpi_gbl_argument_type[20] = {
	/* 00 */ "Unknown ARGP",
	/* 01 */ "ByteData",
	/* 02 */ "ByteList",
	/* 03 */ "CharList",
	/* 04 */ "DataObject",
	/* 05 */ "DataObjectList",
	/* 06 */ "DWordData",
	/* 07 */ "FieldList",
	/* 08 */ "Name",
	/* 09 */ "NameString",
	/* 0A */ "ObjectList",
	/* 0B */ "PackageLength",
	/* 0C */ "SuperName",
	/* 0D */ "Target",
	/* 0E */ "TermArg",
	/* 0F */ "TermList",
	/* 10 */ "WordData",
	/* 11 */ "QWordData",
	/* 12 */ "SimpleName",
	/* 13 */ "NameOrRef"
};

const char *acpi_ut_get_argument_type_name(u32 arg_type)
{

	if (arg_type > ARGP_MAX) {
		return ("Unknown ARGP");
	}

	return (acpi_gbl_argument_type[arg_type]);
}

#endif

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_valid_object_type
 *
 * PARAMETERS:  type            - Object type to be validated
 *
 * RETURN:      TRUE if valid object type, FALSE otherwise
 *
 * DESCRIPTION: Validate an object type
 *
 ******************************************************************************/

u8 acpi_ut_valid_object_type(acpi_object_type type)
{

Annotation

Implementation Notes