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path: root/drivers/acpi/dispatcher/dsfield.c
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Diffstat (limited to 'drivers/acpi/dispatcher/dsfield.c')
-rw-r--r--drivers/acpi/dispatcher/dsfield.c346
1 files changed, 161 insertions, 185 deletions
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c
index 84193983d6ba..2022aeaecfbb 100644
--- a/drivers/acpi/dispatcher/dsfield.c
+++ b/drivers/acpi/dispatcher/dsfield.c
@@ -41,7 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/amlcode.h>
#include <acpi/acdispat.h>
@@ -49,18 +48,14 @@
#include <acpi/acnamesp.h>
#include <acpi/acparser.h>
-
#define _COMPONENT ACPI_DISPATCHER
- ACPI_MODULE_NAME ("dsfield")
+ACPI_MODULE_NAME("dsfield")
/* Local prototypes */
-
static acpi_status
-acpi_ds_get_field_names (
- struct acpi_create_field_info *info,
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *arg);
-
+acpi_ds_get_field_names(struct acpi_create_field_info *info,
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *arg);
/*******************************************************************************
*
@@ -82,41 +77,36 @@ acpi_ds_get_field_names (
******************************************************************************/
acpi_status
-acpi_ds_create_buffer_field (
- union acpi_parse_object *op,
- struct acpi_walk_state *walk_state)
+acpi_ds_create_buffer_field(union acpi_parse_object *op,
+ struct acpi_walk_state *walk_state)
{
- union acpi_parse_object *arg;
- struct acpi_namespace_node *node;
- acpi_status status;
- union acpi_operand_object *obj_desc;
- union acpi_operand_object *second_desc = NULL;
- u32 flags;
-
-
- ACPI_FUNCTION_TRACE ("ds_create_buffer_field");
+ union acpi_parse_object *arg;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *second_desc = NULL;
+ u32 flags;
+ ACPI_FUNCTION_TRACE("ds_create_buffer_field");
/* Get the name_string argument */
if (op->common.aml_opcode == AML_CREATE_FIELD_OP) {
- arg = acpi_ps_get_arg (op, 3);
- }
- else {
+ arg = acpi_ps_get_arg(op, 3);
+ } else {
/* Create Bit/Byte/Word/Dword field */
- arg = acpi_ps_get_arg (op, 2);
+ arg = acpi_ps_get_arg(op, 2);
}
if (!arg) {
- return_ACPI_STATUS (AE_AML_NO_OPERAND);
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
if (walk_state->deferred_node) {
node = walk_state->deferred_node;
status = AE_OK;
- }
- else {
+ } else {
/*
* During the load phase, we want to enter the name of the field into
* the namespace. During the execute phase (when we evaluate the size
@@ -124,21 +114,22 @@ acpi_ds_create_buffer_field (
*/
if (walk_state->parse_flags & ACPI_PARSE_EXECUTE) {
flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE;
- }
- else {
+ } else {
flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
- ACPI_NS_ERROR_IF_FOUND;
+ ACPI_NS_ERROR_IF_FOUND;
}
/*
* Enter the name_string into the namespace
*/
- status = acpi_ns_lookup (walk_state->scope_info, arg->common.value.string,
- ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS1,
- flags, walk_state, &(node));
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_NSERROR (arg->common.value.string, status);
- return_ACPI_STATUS (status);
+ status =
+ acpi_ns_lookup(walk_state->scope_info,
+ arg->common.value.string, ACPI_TYPE_ANY,
+ ACPI_IMODE_LOAD_PASS1, flags, walk_state,
+ &(node));
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_NSERROR(arg->common.value.string, status);
+ return_ACPI_STATUS(status);
}
}
@@ -153,9 +144,9 @@ acpi_ds_create_buffer_field (
* and we need to create the field object. Otherwise, this was a lookup
* of an existing node and we don't want to create the field object again.
*/
- obj_desc = acpi_ns_get_attached_object (node);
+ obj_desc = acpi_ns_get_attached_object(node);
if (obj_desc) {
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/*
@@ -165,7 +156,7 @@ acpi_ds_create_buffer_field (
/* Create the buffer field object */
- obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_BUFFER_FIELD);
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER_FIELD);
if (!obj_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -176,28 +167,26 @@ acpi_ds_create_buffer_field (
* opcode and operands -- since the buffer and index
* operands must be evaluated.
*/
- second_desc = obj_desc->common.next_object;
+ second_desc = obj_desc->common.next_object;
second_desc->extra.aml_start = op->named.data;
second_desc->extra.aml_length = op->named.length;
obj_desc->buffer_field.node = node;
/* Attach constructed field descriptors to parent node */
- status = acpi_ns_attach_object (node, obj_desc, ACPI_TYPE_BUFFER_FIELD);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_BUFFER_FIELD);
+ if (ACPI_FAILURE(status)) {
goto cleanup;
}
-
-cleanup:
+ cleanup:
/* Remove local reference to the object */
- acpi_ut_remove_reference (obj_desc);
- return_ACPI_STATUS (status);
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_get_field_names
@@ -214,17 +203,14 @@ cleanup:
******************************************************************************/
static acpi_status
-acpi_ds_get_field_names (
- struct acpi_create_field_info *info,
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *arg)
+acpi_ds_get_field_names(struct acpi_create_field_info *info,
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *arg)
{
- acpi_status status;
- acpi_integer position;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_get_field_names", info);
+ acpi_status status;
+ acpi_integer position;
+ ACPI_FUNCTION_TRACE_PTR("ds_get_field_names", info);
/* First field starts at bit zero */
@@ -243,18 +229,16 @@ acpi_ds_get_field_names (
case AML_INT_RESERVEDFIELD_OP:
position = (acpi_integer) info->field_bit_position
- + (acpi_integer) arg->common.value.size;
+ + (acpi_integer) arg->common.value.size;
if (position > ACPI_UINT32_MAX) {
- ACPI_REPORT_ERROR ((
- "Bit offset within field too large (> 0xFFFFFFFF)\n"));
- return_ACPI_STATUS (AE_SUPPORT);
+ ACPI_REPORT_ERROR(("Bit offset within field too large (> 0xFFFFFFFF)\n"));
+ return_ACPI_STATUS(AE_SUPPORT);
}
info->field_bit_position = (u32) position;
break;
-
case AML_INT_ACCESSFIELD_OP:
/*
@@ -266,73 +250,70 @@ acpi_ds_get_field_names (
* ACCESS_TYPE bits
*/
info->field_flags = (u8)
- ((info->field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) |
- ((u8) ((u32) arg->common.value.integer >> 8)));
+ ((info->
+ field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) |
+ ((u8) ((u32) arg->common.value.integer >> 8)));
info->attribute = (u8) (arg->common.value.integer);
break;
-
case AML_INT_NAMEDFIELD_OP:
/* Lookup the name */
- status = acpi_ns_lookup (walk_state->scope_info,
- (char *) &arg->named.name,
- info->field_type, ACPI_IMODE_EXECUTE,
- ACPI_NS_DONT_OPEN_SCOPE,
- walk_state, &info->field_node);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_NSERROR ((char *) &arg->named.name, status);
+ status = acpi_ns_lookup(walk_state->scope_info,
+ (char *)&arg->named.name,
+ info->field_type,
+ ACPI_IMODE_EXECUTE,
+ ACPI_NS_DONT_OPEN_SCOPE,
+ walk_state, &info->field_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_NSERROR((char *)&arg->named.name,
+ status);
if (status != AE_ALREADY_EXISTS) {
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
/* Already exists, ignore error */
- }
- else {
+ } else {
arg->common.node = info->field_node;
info->field_bit_length = arg->common.value.size;
/* Create and initialize an object for the new Field Node */
- status = acpi_ex_prep_field_value (info);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ex_prep_field_value(info);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
/* Keep track of bit position for the next field */
position = (acpi_integer) info->field_bit_position
- + (acpi_integer) arg->common.value.size;
+ + (acpi_integer) arg->common.value.size;
if (position > ACPI_UINT32_MAX) {
- ACPI_REPORT_ERROR ((
- "Field [%4.4s] bit offset too large (> 0xFFFFFFFF)\n",
- (char *) &info->field_node->name));
- return_ACPI_STATUS (AE_SUPPORT);
+ ACPI_REPORT_ERROR(("Field [%4.4s] bit offset too large (> 0xFFFFFFFF)\n", (char *)&info->field_node->name));
+ return_ACPI_STATUS(AE_SUPPORT);
}
info->field_bit_position += info->field_bit_length;
break;
-
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Invalid opcode in field list: %X\n",
- arg->common.aml_opcode));
- return_ACPI_STATUS (AE_AML_BAD_OPCODE);
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Invalid opcode in field list: %X\n",
+ arg->common.aml_opcode));
+ return_ACPI_STATUS(AE_AML_BAD_OPCODE);
}
arg = arg->common.next;
}
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_create_field
@@ -348,29 +329,28 @@ acpi_ds_get_field_names (
******************************************************************************/
acpi_status
-acpi_ds_create_field (
- union acpi_parse_object *op,
- struct acpi_namespace_node *region_node,
- struct acpi_walk_state *walk_state)
+acpi_ds_create_field(union acpi_parse_object *op,
+ struct acpi_namespace_node *region_node,
+ struct acpi_walk_state *walk_state)
{
- acpi_status status;
- union acpi_parse_object *arg;
- struct acpi_create_field_info info;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_create_field", op);
+ acpi_status status;
+ union acpi_parse_object *arg;
+ struct acpi_create_field_info info;
+ ACPI_FUNCTION_TRACE_PTR("ds_create_field", op);
/* First arg is the name of the parent op_region (must already exist) */
arg = op->common.value.arg;
if (!region_node) {
- status = acpi_ns_lookup (walk_state->scope_info, arg->common.value.name,
- ACPI_TYPE_REGION, ACPI_IMODE_EXECUTE,
- ACPI_NS_SEARCH_PARENT, walk_state, &region_node);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_NSERROR (arg->common.value.name, status);
- return_ACPI_STATUS (status);
+ status =
+ acpi_ns_lookup(walk_state->scope_info,
+ arg->common.value.name, ACPI_TYPE_REGION,
+ ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
+ walk_state, &region_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_NSERROR(arg->common.value.name, status);
+ return_ACPI_STATUS(status);
}
}
@@ -385,12 +365,11 @@ acpi_ds_create_field (
info.field_type = ACPI_TYPE_LOCAL_REGION_FIELD;
info.region_node = region_node;
- status = acpi_ds_get_field_names (&info, walk_state, arg->common.next);
+ status = acpi_ds_get_field_names(&info, walk_state, arg->common.next);
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_init_field_objects
@@ -407,37 +386,34 @@ acpi_ds_create_field (
******************************************************************************/
acpi_status
-acpi_ds_init_field_objects (
- union acpi_parse_object *op,
- struct acpi_walk_state *walk_state)
+acpi_ds_init_field_objects(union acpi_parse_object *op,
+ struct acpi_walk_state *walk_state)
{
- acpi_status status;
- union acpi_parse_object *arg = NULL;
- struct acpi_namespace_node *node;
- u8 type = 0;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_init_field_objects", op);
+ acpi_status status;
+ union acpi_parse_object *arg = NULL;
+ struct acpi_namespace_node *node;
+ u8 type = 0;
+ ACPI_FUNCTION_TRACE_PTR("ds_init_field_objects", op);
switch (walk_state->opcode) {
case AML_FIELD_OP:
- arg = acpi_ps_get_arg (op, 2);
+ arg = acpi_ps_get_arg(op, 2);
type = ACPI_TYPE_LOCAL_REGION_FIELD;
break;
case AML_BANK_FIELD_OP:
- arg = acpi_ps_get_arg (op, 4);
+ arg = acpi_ps_get_arg(op, 4);
type = ACPI_TYPE_LOCAL_BANK_FIELD;
break;
case AML_INDEX_FIELD_OP:
- arg = acpi_ps_get_arg (op, 3);
+ arg = acpi_ps_get_arg(op, 3);
type = ACPI_TYPE_LOCAL_INDEX_FIELD;
break;
default:
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/*
@@ -447,16 +423,18 @@ acpi_ds_init_field_objects (
/* Ignore OFFSET and ACCESSAS terms here */
if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) {
- status = acpi_ns_lookup (walk_state->scope_info,
- (char *) &arg->named.name,
- type, ACPI_IMODE_LOAD_PASS1,
- ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
- ACPI_NS_ERROR_IF_FOUND,
- walk_state, &node);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_NSERROR ((char *) &arg->named.name, status);
+ status = acpi_ns_lookup(walk_state->scope_info,
+ (char *)&arg->named.name,
+ type, ACPI_IMODE_LOAD_PASS1,
+ ACPI_NS_NO_UPSEARCH |
+ ACPI_NS_DONT_OPEN_SCOPE |
+ ACPI_NS_ERROR_IF_FOUND,
+ walk_state, &node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_NSERROR((char *)&arg->named.name,
+ status);
if (status != AE_ALREADY_EXISTS) {
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
/* Name already exists, just ignore this error */
@@ -472,10 +450,9 @@ acpi_ds_init_field_objects (
arg = arg->common.next;
}
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_create_bank_field
@@ -491,41 +468,42 @@ acpi_ds_init_field_objects (
******************************************************************************/
acpi_status
-acpi_ds_create_bank_field (
- union acpi_parse_object *op,
- struct acpi_namespace_node *region_node,
- struct acpi_walk_state *walk_state)
+acpi_ds_create_bank_field(union acpi_parse_object *op,
+ struct acpi_namespace_node *region_node,
+ struct acpi_walk_state *walk_state)
{
- acpi_status status;
- union acpi_parse_object *arg;
- struct acpi_create_field_info info;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_create_bank_field", op);
+ acpi_status status;
+ union acpi_parse_object *arg;
+ struct acpi_create_field_info info;
+ ACPI_FUNCTION_TRACE_PTR("ds_create_bank_field", op);
/* First arg is the name of the parent op_region (must already exist) */
arg = op->common.value.arg;
if (!region_node) {
- status = acpi_ns_lookup (walk_state->scope_info, arg->common.value.name,
- ACPI_TYPE_REGION, ACPI_IMODE_EXECUTE,
- ACPI_NS_SEARCH_PARENT, walk_state, &region_node);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_NSERROR (arg->common.value.name, status);
- return_ACPI_STATUS (status);
+ status =
+ acpi_ns_lookup(walk_state->scope_info,
+ arg->common.value.name, ACPI_TYPE_REGION,
+ ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
+ walk_state, &region_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_NSERROR(arg->common.value.name, status);
+ return_ACPI_STATUS(status);
}
}
/* Second arg is the Bank Register (Field) (must already exist) */
arg = arg->common.next;
- status = acpi_ns_lookup (walk_state->scope_info, arg->common.value.string,
- ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
- ACPI_NS_SEARCH_PARENT, walk_state, &info.register_node);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_NSERROR (arg->common.value.string, status);
- return_ACPI_STATUS (status);
+ status =
+ acpi_ns_lookup(walk_state->scope_info, arg->common.value.string,
+ ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT, walk_state,
+ &info.register_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_NSERROR(arg->common.value.string, status);
+ return_ACPI_STATUS(status);
}
/* Third arg is the bank_value */
@@ -543,12 +521,11 @@ acpi_ds_create_bank_field (
info.field_type = ACPI_TYPE_LOCAL_BANK_FIELD;
info.region_node = region_node;
- status = acpi_ds_get_field_names (&info, walk_state, arg->common.next);
+ status = acpi_ds_get_field_names(&info, walk_state, arg->common.next);
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_create_index_field
@@ -564,39 +541,40 @@ acpi_ds_create_bank_field (
******************************************************************************/
acpi_status
-acpi_ds_create_index_field (
- union acpi_parse_object *op,
- struct acpi_namespace_node *region_node,
- struct acpi_walk_state *walk_state)
+acpi_ds_create_index_field(union acpi_parse_object *op,
+ struct acpi_namespace_node *region_node,
+ struct acpi_walk_state *walk_state)
{
- acpi_status status;
- union acpi_parse_object *arg;
- struct acpi_create_field_info info;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_create_index_field", op);
+ acpi_status status;
+ union acpi_parse_object *arg;
+ struct acpi_create_field_info info;
+ ACPI_FUNCTION_TRACE_PTR("ds_create_index_field", op);
/* First arg is the name of the Index register (must already exist) */
arg = op->common.value.arg;
- status = acpi_ns_lookup (walk_state->scope_info, arg->common.value.string,
- ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
- ACPI_NS_SEARCH_PARENT, walk_state, &info.register_node);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_NSERROR (arg->common.value.string, status);
- return_ACPI_STATUS (status);
+ status =
+ acpi_ns_lookup(walk_state->scope_info, arg->common.value.string,
+ ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT, walk_state,
+ &info.register_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_NSERROR(arg->common.value.string, status);
+ return_ACPI_STATUS(status);
}
/* Second arg is the data register (must already exist) */
arg = arg->common.next;
- status = acpi_ns_lookup (walk_state->scope_info, arg->common.value.string,
- ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
- ACPI_NS_SEARCH_PARENT, walk_state, &info.data_register_node);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_NSERROR (arg->common.value.string, status);
- return_ACPI_STATUS (status);
+ status =
+ acpi_ns_lookup(walk_state->scope_info, arg->common.value.string,
+ ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT, walk_state,
+ &info.data_register_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_NSERROR(arg->common.value.string, status);
+ return_ACPI_STATUS(status);
}
/* Next arg is the field flags */
@@ -609,9 +587,7 @@ acpi_ds_create_index_field (
info.field_type = ACPI_TYPE_LOCAL_INDEX_FIELD;
info.region_node = region_node;
- status = acpi_ds_get_field_names (&info, walk_state, arg->common.next);
+ status = acpi_ds_get_field_names(&info, walk_state, arg->common.next);
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
-
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-05 05:27:57 +0000