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authorLin Ming <ming.m.lin@intel.com>2011-11-16 14:38:13 +0800
committerLen Brown <len.brown@intel.com>2012-01-17 03:36:30 -0500
commite0fe0a8d4ed5474261d0ee1452f5d9ae77236958 (patch)
treecec332ccaab7fa0dd03cbc87ea1212f7182c2309 /drivers/acpi/acpica/rslist.c
parent2da120b6847f85c406f9afa13853e2755684389e (diff)
ACPI 5.0: Support for all new resource descriptors
FixedDMA, GPIO descriptors, SerialBus descriptors Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/rslist.c')
-rw-r--r--drivers/acpi/acpica/rslist.c75
1 files changed, 61 insertions, 14 deletions
diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c
index 1bfcef736c50..c44635136598 100644
--- a/drivers/acpi/acpica/rslist.c
+++ b/drivers/acpi/acpica/rslist.c
@@ -70,6 +70,8 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
struct acpi_resource **resource_ptr =
ACPI_CAST_INDIRECT_PTR(struct acpi_resource, context);
struct acpi_resource *resource;
+ union aml_resource *aml_resource;
+ struct acpi_rsconvert_info *conversion_table;
acpi_status status;
ACPI_FUNCTION_TRACE(rs_convert_aml_to_resources);
@@ -84,14 +86,37 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
"Misaligned resource pointer %p", resource));
}
+ /* Get the appropriate conversion info table */
+
+ aml_resource = ACPI_CAST_PTR(union aml_resource, aml);
+ if (acpi_ut_get_resource_type(aml) == ACPI_RESOURCE_NAME_SERIAL_BUS) {
+ if (aml_resource->common_serial_bus.type >
+ AML_RESOURCE_MAX_SERIALBUSTYPE) {
+ conversion_table = NULL;
+ } else {
+ /* This is an I2C, SPI, or UART serial_bus descriptor */
+
+ conversion_table =
+ acpi_gbl_convert_resource_serial_bus_dispatch
+ [aml_resource->common_serial_bus.type];
+ }
+ } else {
+ conversion_table =
+ acpi_gbl_get_resource_dispatch[resource_index];
+ }
+
+ if (!conversion_table) {
+ ACPI_ERROR((AE_INFO,
+ "Invalid/unsupported resource descriptor: Type 0x%2.2X",
+ resource_index));
+ return (AE_AML_INVALID_RESOURCE_TYPE);
+ }
+
/* Convert the AML byte stream resource to a local resource struct */
status =
- acpi_rs_convert_aml_to_resource(resource,
- ACPI_CAST_PTR(union aml_resource,
- aml),
- acpi_gbl_get_resource_dispatch
- [resource_index]);
+ acpi_rs_convert_aml_to_resource(resource, aml_resource,
+ conversion_table);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not convert AML resource (Type 0x%X)",
@@ -106,7 +131,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
/* Point to the next structure in the output buffer */
- *resource_ptr = ACPI_ADD_PTR(void, resource, resource->length);
+ *resource_ptr = ACPI_NEXT_RESOURCE(resource);
return_ACPI_STATUS(AE_OK);
}
@@ -135,6 +160,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
{
u8 *aml = output_buffer;
u8 *end_aml = output_buffer + aml_size_needed;
+ struct acpi_rsconvert_info *conversion_table;
acpi_status status;
ACPI_FUNCTION_TRACE(rs_convert_resources_to_aml);
@@ -154,11 +180,34 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
/* Perform the conversion */
- status = acpi_rs_convert_resource_to_aml(resource, ACPI_CAST_PTR(union
- aml_resource,
- aml),
- acpi_gbl_set_resource_dispatch
- [resource->type]);
+ if (resource->type == ACPI_RESOURCE_TYPE_SERIAL_BUS) {
+ if (resource->data.common_serial_bus.type >
+ AML_RESOURCE_MAX_SERIALBUSTYPE) {
+ conversion_table = NULL;
+ } else {
+ /* This is an I2C, SPI, or UART serial_bus descriptor */
+
+ conversion_table =
+ acpi_gbl_convert_resource_serial_bus_dispatch
+ [resource->data.common_serial_bus.type];
+ }
+ } else {
+ conversion_table =
+ acpi_gbl_set_resource_dispatch[resource->type];
+ }
+
+ if (!conversion_table) {
+ ACPI_ERROR((AE_INFO,
+ "Invalid/unsupported resource descriptor: Type 0x%2.2X",
+ resource->type));
+ return (AE_AML_INVALID_RESOURCE_TYPE);
+ }
+
+ status = acpi_rs_convert_resource_to_aml(resource,
+ ACPI_CAST_PTR(union
+ aml_resource,
+ aml),
+ conversion_table);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not convert resource (type 0x%X) to AML",
@@ -192,9 +241,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
/* Point to the next input resource descriptor */
- resource =
- ACPI_ADD_PTR(struct acpi_resource, resource,
- resource->length);
+ resource = ACPI_NEXT_RESOURCE(resource);
}
/* Completed buffer, but did not find an end_tag resource descriptor */