static char *
AcpiDmGetResourceTag (
UINT32 BitIndex,
AML_RESOURCE *Resource,
UINT8 ResourceIndex)
{
ACPI_RESOURCE_TAG *TagList;
char *Tag = NULL;
/* Get the tag list for this resource descriptor type */
TagList = AcpiGbl_ResourceTags[ResourceIndex];
if (!TagList)
{
/* There are no tags for this resource type */
return (NULL);
}
/*
* Handle the type-specific flags field for the address descriptors.
* Kindof brute force, but just blindly search for an index match.
*/
switch (Resource->DescriptorType)
{
case ACPI_RESOURCE_NAME_ADDRESS16:
case ACPI_RESOURCE_NAME_ADDRESS32:
case ACPI_RESOURCE_NAME_ADDRESS64:
case ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64:
if (Resource->Address.ResourceType == ACPI_ADDRESS_TYPE_MEMORY_RANGE)
{
Tag = AcpiDmSearchTagList (BitIndex, AcpiDmMemoryFlagTags);
}
else if (Resource->Address.ResourceType == ACPI_ADDRESS_TYPE_IO_RANGE)
{
Tag = AcpiDmSearchTagList (BitIndex, AcpiDmIoFlagTags);
}
/* If we found a match, all done. Else, drop to normal search below */
if (Tag)
{
return (Tag);
}
break;
default:
break;
}
/* Search the tag list for this descriptor type */
Tag = AcpiDmSearchTagList (BitIndex, TagList);
return (Tag);
}
static char *
AcpiDmGetResourceTag (
UINT32 BitIndex,
AML_RESOURCE *Resource,
UINT8 ResourceIndex)
{
const ACPI_RESOURCE_TAG *TagList;
char *Tag = NULL;
/* Get the tag list for this resource descriptor type */
TagList = AcpiGbl_ResourceTags[ResourceIndex];
/*
* Handle descriptors that have multiple subtypes
*/
switch (Resource->DescriptorType)
{
case ACPI_RESOURCE_NAME_ADDRESS16:
case ACPI_RESOURCE_NAME_ADDRESS32:
case ACPI_RESOURCE_NAME_ADDRESS64:
case ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64:
/*
* Subtype differentiation is the flags.
* Kindof brute force, but just blindly search for an index match
*/
if (Resource->Address.ResourceType == ACPI_ADDRESS_TYPE_MEMORY_RANGE)
{
Tag = AcpiDmSearchTagList (BitIndex, AcpiDmMemoryFlagTags);
}
else if (Resource->Address.ResourceType == ACPI_ADDRESS_TYPE_IO_RANGE)
{
Tag = AcpiDmSearchTagList (BitIndex, AcpiDmIoFlagTags);
}
/* If we found a match, all done. Else, drop to normal search below */
if (Tag)
{
return (Tag);
}
break;
case ACPI_RESOURCE_NAME_GPIO:
/* GPIO connection has 2 subtypes: Interrupt and I/O */
if (Resource->Gpio.ConnectionType > AML_RESOURCE_MAX_GPIOTYPE)
{
return (NULL);
}
TagList = AcpiGbl_GpioResourceTags[Resource->Gpio.ConnectionType];
break;
case ACPI_RESOURCE_NAME_SERIAL_BUS:
/* SerialBus has 3 subtypes: I2C, SPI, and UART */
if ((Resource->CommonSerialBus.Type == 0) ||
(Resource->CommonSerialBus.Type > AML_RESOURCE_MAX_SERIALBUSTYPE))
{
return (NULL);
}
TagList = AcpiGbl_SerialResourceTags[Resource->CommonSerialBus.Type];
break;
default:
break;
}
/* Search for a match against the BitIndex */
if (TagList)
{
Tag = AcpiDmSearchTagList (BitIndex, TagList);
}
return (Tag);
}
