*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <acpi/acnamesp.h>
#define _COMPONENT ACPI_EVENTS
- ACPI_MODULE_NAME ("evgpeblk")
+ACPI_MODULE_NAME("evgpeblk")
/* Local prototypes */
-
static acpi_status
-acpi_ev_save_method_info (
- acpi_handle obj_handle,
- u32 level,
- void *obj_desc,
- void **return_value);
+acpi_ev_save_method_info(acpi_handle obj_handle,
+ u32 level, void *obj_desc, void **return_value);
static acpi_status
-acpi_ev_match_prw_and_gpe (
- acpi_handle obj_handle,
- u32 level,
- void *info,
- void **return_value);
+acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
+ u32 level, void *info, void **return_value);
-static struct acpi_gpe_xrupt_info *
-acpi_ev_get_gpe_xrupt_block (
- u32 interrupt_level);
+static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
+ interrupt_number);
static acpi_status
-acpi_ev_delete_gpe_xrupt (
- struct acpi_gpe_xrupt_info *gpe_xrupt);
+acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt);
static acpi_status
-acpi_ev_install_gpe_block (
- struct acpi_gpe_block_info *gpe_block,
- u32 interrupt_level);
+acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
+ u32 interrupt_number);
static acpi_status
-acpi_ev_create_gpe_info_blocks (
- struct acpi_gpe_block_info *gpe_block);
-
+acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block);
/*******************************************************************************
*
*
* RETURN: TRUE if the gpe_event is valid
*
- * DESCRIPTION: Validate a GPE event. DO NOT CALL FROM INTERRUPT LEVEL.
+ * DESCRIPTION: Validate a GPE event. DO NOT CALL FROM INTERRUPT LEVEL.
* Should be called only when the GPE lists are semaphore locked
* and not subject to change.
*
******************************************************************************/
-u8
-acpi_ev_valid_gpe_event (
- struct acpi_gpe_event_info *gpe_event_info)
+u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info)
{
- struct acpi_gpe_xrupt_info *gpe_xrupt_block;
- struct acpi_gpe_block_info *gpe_block;
-
-
- ACPI_FUNCTION_ENTRY ();
+ struct acpi_gpe_xrupt_info *gpe_xrupt_block;
+ struct acpi_gpe_block_info *gpe_block;
+ ACPI_FUNCTION_ENTRY();
/* No need for spin lock since we are not changing any list elements */
while (gpe_block) {
if ((&gpe_block->event_info[0] <= gpe_event_info) &&
- (&gpe_block->event_info[((acpi_size) gpe_block->register_count) * 8] > gpe_event_info)) {
+ (&gpe_block->
+ event_info[((acpi_size) gpe_block->
+ register_count) * 8] >
+ gpe_event_info)) {
return (TRUE);
}
return (FALSE);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_walk_gpe_list
*
* PARAMETERS: gpe_walk_callback - Routine called for each GPE block
- * Flags - ACPI_NOT_ISR or ACPI_ISR
*
* RETURN: Status
*
*
******************************************************************************/
-acpi_status
-acpi_ev_walk_gpe_list (
- ACPI_GPE_CALLBACK gpe_walk_callback,
- u32 flags)
+acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback)
{
- struct acpi_gpe_block_info *gpe_block;
- struct acpi_gpe_xrupt_info *gpe_xrupt_info;
- acpi_status status = AE_OK;
-
+ struct acpi_gpe_block_info *gpe_block;
+ struct acpi_gpe_xrupt_info *gpe_xrupt_info;
+ acpi_status status = AE_OK;
+ acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE ("ev_walk_gpe_list");
+ ACPI_FUNCTION_TRACE(ev_walk_gpe_list);
-
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, flags);
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
/* Walk the interrupt level descriptor list */
gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
while (gpe_xrupt_info) {
+
/* Walk all Gpe Blocks attached to this interrupt level */
gpe_block = gpe_xrupt_info->gpe_block_list_head;
while (gpe_block) {
+
/* One callback per GPE block */
- status = gpe_walk_callback (gpe_xrupt_info, gpe_block);
- if (ACPI_FAILURE (status)) {
+ status = gpe_walk_callback(gpe_xrupt_info, gpe_block);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
gpe_xrupt_info = gpe_xrupt_info->next;
}
-unlock_and_exit:
- acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
- return_ACPI_STATUS (status);
+ unlock_and_exit:
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_delete_gpe_handlers
******************************************************************************/
acpi_status
-acpi_ev_delete_gpe_handlers (
- struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block)
+acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block)
{
- struct acpi_gpe_event_info *gpe_event_info;
- acpi_native_uint i;
- acpi_native_uint j;
-
-
- ACPI_FUNCTION_TRACE ("ev_delete_gpe_handlers");
+ struct acpi_gpe_event_info *gpe_event_info;
+ acpi_native_uint i;
+ acpi_native_uint j;
+ ACPI_FUNCTION_TRACE(ev_delete_gpe_handlers);
/* Examine each GPE Register within the block */
for (i = 0; i < gpe_block->register_count; i++) {
+
/* Now look at the individual GPEs in this byte register */
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
- gpe_event_info = &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
+ gpe_event_info =
+ &gpe_block->
+ event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
- ACPI_GPE_DISPATCH_HANDLER) {
- ACPI_MEM_FREE (gpe_event_info->dispatch.handler);
+ ACPI_GPE_DISPATCH_HANDLER) {
+ ACPI_FREE(gpe_event_info->dispatch.handler);
gpe_event_info->dispatch.handler = NULL;
- gpe_event_info->flags &= ~ACPI_GPE_DISPATCH_MASK;
+ gpe_event_info->flags &=
+ ~ACPI_GPE_DISPATCH_MASK;
}
}
}
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_save_method_info
******************************************************************************/
static acpi_status
-acpi_ev_save_method_info (
- acpi_handle obj_handle,
- u32 level,
- void *obj_desc,
- void **return_value)
+acpi_ev_save_method_info(acpi_handle obj_handle,
+ u32 level, void *obj_desc, void **return_value)
{
- struct acpi_gpe_block_info *gpe_block = (void *) obj_desc;
- struct acpi_gpe_event_info *gpe_event_info;
- u32 gpe_number;
- char name[ACPI_NAME_SIZE + 1];
- u8 type;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ev_save_method_info");
+ struct acpi_gpe_block_info *gpe_block = (void *)obj_desc;
+ struct acpi_gpe_event_info *gpe_event_info;
+ u32 gpe_number;
+ char name[ACPI_NAME_SIZE + 1];
+ u8 type;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE(ev_save_method_info);
/*
* _Lxx and _Exx GPE method support
*
* 1) Extract the name from the object and convert to a string
*/
- ACPI_MOVE_32_TO_32 (name,
- &((struct acpi_namespace_node *) obj_handle)->name.integer);
+ ACPI_MOVE_32_TO_32(name,
+ &((struct acpi_namespace_node *)obj_handle)->name.
+ integer);
name[ACPI_NAME_SIZE] = 0;
/*
* 2) Edge/Level determination is based on the 2nd character
* of the method name
*
- * NOTE: Default GPE type is RUNTIME. May be changed later to WAKE
+ * NOTE: Default GPE type is RUNTIME. May be changed later to WAKE
* if a _PRW object is found that points to this GPE.
*/
switch (name[1]) {
default:
/* Unknown method type, just ignore it! */
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Unknown GPE method type: %s (name not of form _Lxx or _Exx)\n",
- name));
- return_ACPI_STATUS (AE_OK);
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "Ignoring unknown GPE method type: %s (name not of form _Lxx or _Exx)",
+ name));
+ return_ACPI_STATUS(AE_OK);
}
/* Convert the last two characters of the name to the GPE Number */
- gpe_number = ACPI_STRTOUL (&name[2], NULL, 16);
+ gpe_number = ACPI_STRTOUL(&name[2], NULL, 16);
if (gpe_number == ACPI_UINT32_MAX) {
+
/* Conversion failed; invalid method, just ignore it */
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Could not extract GPE number from name: %s (name is not of form _Lxx or _Exx)\n",
- name));
- return_ACPI_STATUS (AE_OK);
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "Could not extract GPE number from name: %s (name is not of form _Lxx or _Exx)",
+ name));
+ return_ACPI_STATUS(AE_OK);
}
/* Ensure that we have a valid GPE number for this GPE block */
if ((gpe_number < gpe_block->block_base_number) ||
- (gpe_number >= (gpe_block->block_base_number + (gpe_block->register_count * 8)))) {
+ (gpe_number >=
+ (gpe_block->block_base_number +
+ (gpe_block->register_count * 8)))) {
/*
* Not valid for this GPE block, just ignore it
* However, it may be valid for a different GPE block, since GPE0 and GPE1
* methods both appear under \_GPE.
*/
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/*
* Now we can add this information to the gpe_event_info block
- * for use during dispatch of this GPE. Default type is RUNTIME, although
+ * for use during dispatch of this GPE. Default type is RUNTIME, although
* this may change when the _PRW methods are executed later.
*/
- gpe_event_info = &gpe_block->event_info[gpe_number - gpe_block->block_base_number];
+ gpe_event_info =
+ &gpe_block->event_info[gpe_number - gpe_block->block_base_number];
- gpe_event_info->flags = (u8) (type | ACPI_GPE_DISPATCH_METHOD |
- ACPI_GPE_TYPE_RUNTIME);
+ gpe_event_info->flags = (u8)
+ (type | ACPI_GPE_DISPATCH_METHOD | ACPI_GPE_TYPE_RUNTIME);
- gpe_event_info->dispatch.method_node = (struct acpi_namespace_node *) obj_handle;
+ gpe_event_info->dispatch.method_node =
+ (struct acpi_namespace_node *)obj_handle;
/* Update enable mask, but don't enable the HW GPE as of yet */
- status = acpi_ev_enable_gpe (gpe_event_info, FALSE);
+ status = acpi_ev_enable_gpe(gpe_event_info, FALSE);
- ACPI_DEBUG_PRINT ((ACPI_DB_LOAD,
- "Registered GPE method %s as GPE number 0x%.2X\n",
- name, gpe_number));
- return_ACPI_STATUS (status);
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "Registered GPE method %s as GPE number 0x%.2X\n",
+ name, gpe_number));
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_match_prw_and_gpe
*
* PARAMETERS: Callback from walk_namespace
*
- * RETURN: Status. NOTE: We ignore errors so that the _PRW walk is
+ * RETURN: Status. NOTE: We ignore errors so that the _PRW walk is
* not aborted on a single _PRW failure.
*
* DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
- * Device. Run the _PRW method. If present, extract the GPE
+ * Device. Run the _PRW method. If present, extract the GPE
* number and mark the GPE as a WAKE GPE.
*
******************************************************************************/
static acpi_status
-acpi_ev_match_prw_and_gpe (
- acpi_handle obj_handle,
- u32 level,
- void *info,
- void **return_value)
+acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
+ u32 level, void *info, void **return_value)
{
- struct acpi_gpe_walk_info *gpe_info = (void *) info;
- struct acpi_namespace_node *gpe_device;
- struct acpi_gpe_block_info *gpe_block;
- struct acpi_namespace_node *target_gpe_device;
- struct acpi_gpe_event_info *gpe_event_info;
- union acpi_operand_object *pkg_desc;
- union acpi_operand_object *obj_desc;
- u32 gpe_number;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ev_match_prw_and_gpe");
-
+ struct acpi_gpe_walk_info *gpe_info = (void *)info;
+ struct acpi_namespace_node *gpe_device;
+ struct acpi_gpe_block_info *gpe_block;
+ struct acpi_namespace_node *target_gpe_device;
+ struct acpi_gpe_event_info *gpe_event_info;
+ union acpi_operand_object *pkg_desc;
+ union acpi_operand_object *obj_desc;
+ u32 gpe_number;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_match_prw_and_gpe);
/* Check for a _PRW method under this device */
- status = acpi_ut_evaluate_object (obj_handle, METHOD_NAME__PRW,
- ACPI_BTYPE_PACKAGE, &pkg_desc);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ut_evaluate_object(obj_handle, METHOD_NAME__PRW,
+ ACPI_BTYPE_PACKAGE, &pkg_desc);
+ if (ACPI_FAILURE(status)) {
+
/* Ignore all errors from _PRW, we don't want to abort the subsystem */
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* The returned _PRW package must have at least two elements */
*/
obj_desc = pkg_desc->package.elements[0];
- if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
/* Use FADT-defined GPE device (from definition of _PRW) */
target_gpe_device = acpi_gbl_fadt_gpe_device;
/* Integer is the GPE number in the FADT described GPE blocks */
gpe_number = (u32) obj_desc->integer.value;
- }
- else if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_PACKAGE) {
+ } else if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
+
/* Package contains a GPE reference and GPE number within a GPE block */
if ((obj_desc->package.count < 2) ||
- (ACPI_GET_OBJECT_TYPE (obj_desc->package.elements[0]) != ACPI_TYPE_LOCAL_REFERENCE) ||
- (ACPI_GET_OBJECT_TYPE (obj_desc->package.elements[1]) != ACPI_TYPE_INTEGER)) {
+ (ACPI_GET_OBJECT_TYPE(obj_desc->package.elements[0]) !=
+ ACPI_TYPE_LOCAL_REFERENCE)
+ || (ACPI_GET_OBJECT_TYPE(obj_desc->package.elements[1]) !=
+ ACPI_TYPE_INTEGER)) {
goto cleanup;
}
/* Get GPE block reference and decode */
- target_gpe_device = obj_desc->package.elements[0]->reference.node;
+ target_gpe_device =
+ obj_desc->package.elements[0]->reference.node;
gpe_number = (u32) obj_desc->package.elements[1]->integer.value;
- }
- else {
+ } else {
/* Unknown type, just ignore it */
goto cleanup;
* associated with the GPE device.
*/
if ((gpe_device == target_gpe_device) &&
- (gpe_number >= gpe_block->block_base_number) &&
- (gpe_number < gpe_block->block_base_number + (gpe_block->register_count * 8))) {
- gpe_event_info = &gpe_block->event_info[gpe_number - gpe_block->block_base_number];
+ (gpe_number >= gpe_block->block_base_number) &&
+ (gpe_number <
+ gpe_block->block_base_number + (gpe_block->register_count * 8))) {
+ gpe_event_info =
+ &gpe_block->event_info[gpe_number -
+ gpe_block->block_base_number];
/* Mark GPE for WAKE-ONLY but WAKE_DISABLED */
- gpe_event_info->flags &= ~(ACPI_GPE_WAKE_ENABLED | ACPI_GPE_RUN_ENABLED);
- status = acpi_ev_set_gpe_type (gpe_event_info, ACPI_GPE_TYPE_WAKE);
- if (ACPI_FAILURE (status)) {
+ gpe_event_info->flags &=
+ ~(ACPI_GPE_WAKE_ENABLED | ACPI_GPE_RUN_ENABLED);
+
+ status =
+ acpi_ev_set_gpe_type(gpe_event_info, ACPI_GPE_TYPE_WAKE);
+ if (ACPI_FAILURE(status)) {
goto cleanup;
}
- status = acpi_ev_update_gpe_enable_masks (gpe_event_info, ACPI_GPE_DISABLE);
+ status =
+ acpi_ev_update_gpe_enable_masks(gpe_event_info,
+ ACPI_GPE_DISABLE);
}
-cleanup:
- acpi_ut_remove_reference (pkg_desc);
- return_ACPI_STATUS (AE_OK);
+ cleanup:
+ acpi_ut_remove_reference(pkg_desc);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_get_gpe_xrupt_block
*
- * PARAMETERS: interrupt_level - Interrupt for a GPE block
+ * PARAMETERS: interrupt_number - Interrupt for a GPE block
*
* RETURN: A GPE interrupt block
*
- * DESCRIPTION: Get or Create a GPE interrupt block. There is one interrupt
+ * DESCRIPTION: Get or Create a GPE interrupt block. There is one interrupt
* block per unique interrupt level used for GPEs.
* Should be called only when the GPE lists are semaphore locked
* and not subject to change.
*
******************************************************************************/
-static struct acpi_gpe_xrupt_info *
-acpi_ev_get_gpe_xrupt_block (
- u32 interrupt_level)
+static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
+ interrupt_number)
{
- struct acpi_gpe_xrupt_info *next_gpe_xrupt;
- struct acpi_gpe_xrupt_info *gpe_xrupt;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ev_get_gpe_xrupt_block");
+ struct acpi_gpe_xrupt_info *next_gpe_xrupt;
+ struct acpi_gpe_xrupt_info *gpe_xrupt;
+ acpi_status status;
+ acpi_cpu_flags flags;
+ ACPI_FUNCTION_TRACE(ev_get_gpe_xrupt_block);
/* No need for lock since we are not changing any list elements here */
next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
while (next_gpe_xrupt) {
- if (next_gpe_xrupt->interrupt_level == interrupt_level) {
- return_PTR (next_gpe_xrupt);
+ if (next_gpe_xrupt->interrupt_number == interrupt_number) {
+ return_PTR(next_gpe_xrupt);
}
next_gpe_xrupt = next_gpe_xrupt->next;
/* Not found, must allocate a new xrupt descriptor */
- gpe_xrupt = ACPI_MEM_CALLOCATE (sizeof (struct acpi_gpe_xrupt_info));
+ gpe_xrupt = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_xrupt_info));
if (!gpe_xrupt) {
- return_PTR (NULL);
+ return_PTR(NULL);
}
- gpe_xrupt->interrupt_level = interrupt_level;
+ gpe_xrupt->interrupt_number = interrupt_number;
/* Install new interrupt descriptor with spin lock */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
if (acpi_gbl_gpe_xrupt_list_head) {
next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
while (next_gpe_xrupt->next) {
next_gpe_xrupt->next = gpe_xrupt;
gpe_xrupt->previous = next_gpe_xrupt;
- }
- else {
+ } else {
acpi_gbl_gpe_xrupt_list_head = gpe_xrupt;
}
- acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
/* Install new interrupt handler if not SCI_INT */
- if (interrupt_level != acpi_gbl_FADT->sci_int) {
- status = acpi_os_install_interrupt_handler (interrupt_level,
- acpi_ev_gpe_xrupt_handler, gpe_xrupt);
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Could not install GPE interrupt handler at level 0x%X\n",
- interrupt_level));
- return_PTR (NULL);
+ if (interrupt_number != acpi_gbl_FADT->sci_int) {
+ status = acpi_os_install_interrupt_handler(interrupt_number,
+ acpi_ev_gpe_xrupt_handler,
+ gpe_xrupt);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not install GPE interrupt handler at level 0x%X",
+ interrupt_number));
+ return_PTR(NULL);
}
}
- return_PTR (gpe_xrupt);
+ return_PTR(gpe_xrupt);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_delete_gpe_xrupt
******************************************************************************/
static acpi_status
-acpi_ev_delete_gpe_xrupt (
- struct acpi_gpe_xrupt_info *gpe_xrupt)
+acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ev_delete_gpe_xrupt");
+ acpi_status status;
+ acpi_cpu_flags flags;
+ ACPI_FUNCTION_TRACE(ev_delete_gpe_xrupt);
/* We never want to remove the SCI interrupt handler */
- if (gpe_xrupt->interrupt_level == acpi_gbl_FADT->sci_int) {
+ if (gpe_xrupt->interrupt_number == acpi_gbl_FADT->sci_int) {
gpe_xrupt->gpe_block_list_head = NULL;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* Disable this interrupt */
- status = acpi_os_remove_interrupt_handler (gpe_xrupt->interrupt_level,
- acpi_ev_gpe_xrupt_handler);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status =
+ acpi_os_remove_interrupt_handler(gpe_xrupt->interrupt_number,
+ acpi_ev_gpe_xrupt_handler);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Unlink the interrupt block with lock */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
if (gpe_xrupt->previous) {
gpe_xrupt->previous->next = gpe_xrupt->next;
}
if (gpe_xrupt->next) {
gpe_xrupt->next->previous = gpe_xrupt->previous;
}
- acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
/* Free the block */
- ACPI_MEM_FREE (gpe_xrupt);
- return_ACPI_STATUS (AE_OK);
+ ACPI_FREE(gpe_xrupt);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_install_gpe_block
*
* PARAMETERS: gpe_block - New GPE block
- * interrupt_level - Level to be associated with this GPE block
+ * interrupt_number - Xrupt to be associated with this GPE block
*
* RETURN: Status
*
******************************************************************************/
static acpi_status
-acpi_ev_install_gpe_block (
- struct acpi_gpe_block_info *gpe_block,
- u32 interrupt_level)
+acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
+ u32 interrupt_number)
{
- struct acpi_gpe_block_info *next_gpe_block;
- struct acpi_gpe_xrupt_info *gpe_xrupt_block;
- acpi_status status;
-
+ struct acpi_gpe_block_info *next_gpe_block;
+ struct acpi_gpe_xrupt_info *gpe_xrupt_block;
+ acpi_status status;
+ acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
+ ACPI_FUNCTION_TRACE(ev_install_gpe_block);
-
- status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block (interrupt_level);
+ gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block(interrupt_number);
if (!gpe_xrupt_block) {
status = AE_NO_MEMORY;
goto unlock_and_exit;
/* Install the new block at the end of the list with lock */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
if (gpe_xrupt_block->gpe_block_list_head) {
next_gpe_block = gpe_xrupt_block->gpe_block_list_head;
while (next_gpe_block->next) {
next_gpe_block->next = gpe_block;
gpe_block->previous = next_gpe_block;
- }
- else {
+ } else {
gpe_xrupt_block->gpe_block_list_head = gpe_block;
}
gpe_block->xrupt_block = gpe_xrupt_block;
- acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
-unlock_and_exit:
- status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
- return_ACPI_STATUS (status);
+ unlock_and_exit:
+ status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_delete_gpe_block
*
******************************************************************************/
-acpi_status
-acpi_ev_delete_gpe_block (
- struct acpi_gpe_block_info *gpe_block)
+acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
{
- acpi_status status;
-
+ acpi_status status;
+ acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
+ ACPI_FUNCTION_TRACE(ev_install_gpe_block);
-
- status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Disable all GPEs in this block */
- status = acpi_hw_disable_gpe_block (gpe_block->xrupt_block, gpe_block);
+ status = acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block);
if (!gpe_block->previous && !gpe_block->next) {
+
/* This is the last gpe_block on this interrupt */
- status = acpi_ev_delete_gpe_xrupt (gpe_block->xrupt_block);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ev_delete_gpe_xrupt(gpe_block->xrupt_block);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
- }
- else {
+ } else {
/* Remove the block on this interrupt with lock */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
if (gpe_block->previous) {
gpe_block->previous->next = gpe_block->next;
- }
- else {
- gpe_block->xrupt_block->gpe_block_list_head = gpe_block->next;
+ } else {
+ gpe_block->xrupt_block->gpe_block_list_head =
+ gpe_block->next;
}
if (gpe_block->next) {
gpe_block->next->previous = gpe_block->previous;
}
- acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
}
/* Free the gpe_block */
- ACPI_MEM_FREE (gpe_block->register_info);
- ACPI_MEM_FREE (gpe_block->event_info);
- ACPI_MEM_FREE (gpe_block);
+ ACPI_FREE(gpe_block->register_info);
+ ACPI_FREE(gpe_block->event_info);
+ ACPI_FREE(gpe_block);
-unlock_and_exit:
- status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
- return_ACPI_STATUS (status);
+ unlock_and_exit:
+ status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_create_gpe_info_blocks
******************************************************************************/
static acpi_status
-acpi_ev_create_gpe_info_blocks (
- struct acpi_gpe_block_info *gpe_block)
+acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
{
- struct acpi_gpe_register_info *gpe_register_info = NULL;
- struct acpi_gpe_event_info *gpe_event_info = NULL;
- struct acpi_gpe_event_info *this_event;
- struct acpi_gpe_register_info *this_register;
- acpi_native_uint i;
- acpi_native_uint j;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ev_create_gpe_info_blocks");
+ struct acpi_gpe_register_info *gpe_register_info = NULL;
+ struct acpi_gpe_event_info *gpe_event_info = NULL;
+ struct acpi_gpe_event_info *this_event;
+ struct acpi_gpe_register_info *this_register;
+ acpi_native_uint i;
+ acpi_native_uint j;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE(ev_create_gpe_info_blocks);
/* Allocate the GPE register information block */
- gpe_register_info = ACPI_MEM_CALLOCATE (
- (acpi_size) gpe_block->register_count *
- sizeof (struct acpi_gpe_register_info));
+ gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block->
+ register_count *
+ sizeof(struct
+ acpi_gpe_register_info));
if (!gpe_register_info) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Could not allocate the gpe_register_info table\n"));
- return_ACPI_STATUS (AE_NO_MEMORY);
+ ACPI_ERROR((AE_INFO,
+ "Could not allocate the GpeRegisterInfo table"));
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
/*
* Allocate the GPE event_info block. There are eight distinct GPEs
- * per register. Initialization to zeros is sufficient.
+ * per register. Initialization to zeros is sufficient.
*/
- gpe_event_info = ACPI_MEM_CALLOCATE (
- ((acpi_size) gpe_block->register_count *
- ACPI_GPE_REGISTER_WIDTH) *
- sizeof (struct acpi_gpe_event_info));
+ gpe_event_info = ACPI_ALLOCATE_ZEROED(((acpi_size) gpe_block->
+ register_count *
+ ACPI_GPE_REGISTER_WIDTH) *
+ sizeof(struct
+ acpi_gpe_event_info));
if (!gpe_event_info) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Could not allocate the gpe_event_info table\n"));
+ ACPI_ERROR((AE_INFO,
+ "Could not allocate the GpeEventInfo table"));
status = AE_NO_MEMORY;
goto error_exit;
}
/* Save the new Info arrays in the GPE block */
gpe_block->register_info = gpe_register_info;
- gpe_block->event_info = gpe_event_info;
+ gpe_block->event_info = gpe_event_info;
/*
- * Initialize the GPE Register and Event structures. A goal of these
+ * Initialize the GPE Register and Event structures. A goal of these
* tables is to hide the fact that there are two separate GPE register sets
- * in a given gpe hardware block, the status registers occupy the first half,
+ * in a given GPE hardware block, the status registers occupy the first half,
* and the enable registers occupy the second half.
*/
this_register = gpe_register_info;
- this_event = gpe_event_info;
+ this_event = gpe_event_info;
for (i = 0; i < gpe_block->register_count; i++) {
- /* Init the register_info for this GPE register (8 GPEs) */
-
- this_register->base_gpe_number = (u8) (gpe_block->block_base_number +
- (i * ACPI_GPE_REGISTER_WIDTH));
- ACPI_STORE_ADDRESS (this_register->status_address.address,
- (gpe_block->block_address.address
- + i));
-
- ACPI_STORE_ADDRESS (this_register->enable_address.address,
- (gpe_block->block_address.address
- + i
- + gpe_block->register_count));
+ /* Init the register_info for this GPE register (8 GPEs) */
- this_register->status_address.address_space_id = gpe_block->block_address.address_space_id;
- this_register->enable_address.address_space_id = gpe_block->block_address.address_space_id;
- this_register->status_address.register_bit_width = ACPI_GPE_REGISTER_WIDTH;
- this_register->enable_address.register_bit_width = ACPI_GPE_REGISTER_WIDTH;
- this_register->status_address.register_bit_offset = ACPI_GPE_REGISTER_WIDTH;
- this_register->enable_address.register_bit_offset = ACPI_GPE_REGISTER_WIDTH;
+ this_register->base_gpe_number =
+ (u8) (gpe_block->block_base_number +
+ (i * ACPI_GPE_REGISTER_WIDTH));
+
+ ACPI_STORE_ADDRESS(this_register->status_address.address,
+ (gpe_block->block_address.address + i));
+
+ ACPI_STORE_ADDRESS(this_register->enable_address.address,
+ (gpe_block->block_address.address
+ + i + gpe_block->register_count));
+
+ this_register->status_address.address_space_id =
+ gpe_block->block_address.address_space_id;
+ this_register->enable_address.address_space_id =
+ gpe_block->block_address.address_space_id;
+ this_register->status_address.register_bit_width =
+ ACPI_GPE_REGISTER_WIDTH;
+ this_register->enable_address.register_bit_width =
+ ACPI_GPE_REGISTER_WIDTH;
+ this_register->status_address.register_bit_offset =
+ ACPI_GPE_REGISTER_WIDTH;
+ this_register->enable_address.register_bit_offset =
+ ACPI_GPE_REGISTER_WIDTH;
/* Init the event_info for each GPE within this register */
this_event++;
}
- /*
- * Clear the status/enable registers. Note that status registers
- * are cleared by writing a '1', while enable registers are cleared
- * by writing a '0'.
- */
- status = acpi_hw_low_level_write (ACPI_GPE_REGISTER_WIDTH, 0x00,
- &this_register->enable_address);
- if (ACPI_FAILURE (status)) {
+ /* Disable all GPEs within this register */
+
+ status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, 0x00,
+ &this_register->
+ enable_address);
+ if (ACPI_FAILURE(status)) {
goto error_exit;
}
- status = acpi_hw_low_level_write (ACPI_GPE_REGISTER_WIDTH, 0xFF,
- &this_register->status_address);
- if (ACPI_FAILURE (status)) {
+ /* Clear any pending GPE events within this register */
+
+ status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, 0xFF,
+ &this_register->
+ status_address);
+ if (ACPI_FAILURE(status)) {
goto error_exit;
}
this_register++;
}
- return_ACPI_STATUS (AE_OK);
-
+ return_ACPI_STATUS(AE_OK);
-error_exit:
+ error_exit:
if (gpe_register_info) {
- ACPI_MEM_FREE (gpe_register_info);
+ ACPI_FREE(gpe_register_info);
}
if (gpe_event_info) {
- ACPI_MEM_FREE (gpe_event_info);
+ ACPI_FREE(gpe_event_info);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_create_gpe_block
* gpe_block_address - Address and space_iD
* register_count - Number of GPE register pairs in the block
* gpe_block_base_number - Starting GPE number for the block
- * interrupt_level - H/W interrupt for the block
+ * interrupt_number - H/W interrupt for the block
* return_gpe_block - Where the new block descriptor is returned
*
* RETURN: Status
*
- * DESCRIPTION: Create and Install a block of GPE registers
+ * DESCRIPTION: Create and Install a block of GPE registers. All GPEs within
+ * the block are disabled at exit.
+ * Note: Assumes namespace is locked.
*
******************************************************************************/
acpi_status
-acpi_ev_create_gpe_block (
- struct acpi_namespace_node *gpe_device,
- struct acpi_generic_address *gpe_block_address,
- u32 register_count,
- u8 gpe_block_base_number,
- u32 interrupt_level,
- struct acpi_gpe_block_info **return_gpe_block)
+acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
+ struct acpi_generic_address *gpe_block_address,
+ u32 register_count,
+ u8 gpe_block_base_number,
+ u32 interrupt_number,
+ struct acpi_gpe_block_info **return_gpe_block)
{
- struct acpi_gpe_block_info *gpe_block;
- struct acpi_gpe_event_info *gpe_event_info;
- acpi_native_uint i;
- acpi_native_uint j;
- u32 wake_gpe_count;
- u32 gpe_enabled_count;
- acpi_status status;
- struct acpi_gpe_walk_info gpe_info;
-
-
- ACPI_FUNCTION_TRACE ("ev_create_gpe_block");
+ acpi_status status;
+ struct acpi_gpe_block_info *gpe_block;
+ ACPI_FUNCTION_TRACE(ev_create_gpe_block);
if (!register_count) {
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* Allocate a new GPE block */
- gpe_block = ACPI_MEM_CALLOCATE (sizeof (struct acpi_gpe_block_info));
+ gpe_block = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_block_info));
if (!gpe_block) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Initialize the new GPE block */
+ gpe_block->node = gpe_device;
gpe_block->register_count = register_count;
gpe_block->block_base_number = gpe_block_base_number;
- gpe_block->node = gpe_device;
-
- ACPI_MEMCPY (&gpe_block->block_address, gpe_block_address,
- sizeof (struct acpi_generic_address));
- /* Create the register_info and event_info sub-structures */
+ ACPI_MEMCPY(&gpe_block->block_address, gpe_block_address,
+ sizeof(struct acpi_generic_address));
- status = acpi_ev_create_gpe_info_blocks (gpe_block);
- if (ACPI_FAILURE (status)) {
- ACPI_MEM_FREE (gpe_block);
- return_ACPI_STATUS (status);
+ /*
+ * Create the register_info and event_info sub-structures
+ * Note: disables and clears all GPEs in the block
+ */
+ status = acpi_ev_create_gpe_info_blocks(gpe_block);
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(gpe_block);
+ return_ACPI_STATUS(status);
}
- /* Install the new block in the global list(s) */
+ /* Install the new block in the global lists */
- status = acpi_ev_install_gpe_block (gpe_block, interrupt_level);
- if (ACPI_FAILURE (status)) {
- ACPI_MEM_FREE (gpe_block);
- return_ACPI_STATUS (status);
+ status = acpi_ev_install_gpe_block(gpe_block, interrupt_number);
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(gpe_block);
+ return_ACPI_STATUS(status);
}
/* Find all GPE methods (_Lxx, _Exx) for this block */
- status = acpi_ns_walk_namespace (ACPI_TYPE_METHOD, gpe_device,
- ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK, acpi_ev_save_method_info,
- gpe_block, NULL);
+ status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device,
+ ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
+ acpi_ev_save_method_info, gpe_block,
+ NULL);
+
+ /* Return the new block */
+
+ if (return_gpe_block) {
+ (*return_gpe_block) = gpe_block;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT,
+ "GPE %02X to %02X [%4.4s] %u regs on int 0x%X\n",
+ (u32) gpe_block->block_base_number,
+ (u32) (gpe_block->block_base_number +
+ ((gpe_block->register_count *
+ ACPI_GPE_REGISTER_WIDTH) - 1)),
+ gpe_device->name.ascii, gpe_block->register_count,
+ interrupt_number));
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_initialize_gpe_block
+ *
+ * PARAMETERS: gpe_device - Handle to the parent GPE block
+ * gpe_block - Gpe Block info
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize and enable a GPE block. First find and run any
+ * _PRT methods associated with the block, then enable the
+ * appropriate GPEs.
+ * Note: Assumes namespace is locked.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
+ struct acpi_gpe_block_info *gpe_block)
+{
+ acpi_status status;
+ struct acpi_gpe_event_info *gpe_event_info;
+ struct acpi_gpe_walk_info gpe_info;
+ u32 wake_gpe_count;
+ u32 gpe_enabled_count;
+ acpi_native_uint i;
+ acpi_native_uint j;
+
+ ACPI_FUNCTION_TRACE(ev_initialize_gpe_block);
+
+ /* Ignore a null GPE block (e.g., if no GPE block 1 exists) */
+
+ if (!gpe_block) {
+ return_ACPI_STATUS(AE_OK);
+ }
/*
- * Runtime option: Should Wake GPEs be enabled at runtime? The default
- * is No, they should only be enabled just as the machine goes to sleep.
+ * Runtime option: Should wake GPEs be enabled at runtime? The default
+ * is no, they should only be enabled just as the machine goes to sleep.
*/
if (acpi_gbl_leave_wake_gpes_disabled) {
/*
- * Differentiate RUNTIME vs WAKE GPEs, via the _PRW control methods.
- * (Each GPE that has one or more _PRWs that reference it is by
- * definition a WAKE GPE and will not be enabled while the machine
- * is running.)
+ * Differentiate runtime vs wake GPEs, via the _PRW control methods.
+ * Each GPE that has one or more _PRWs that reference it is by
+ * definition a wake GPE and will not be enabled while the machine
+ * is running.
*/
gpe_info.gpe_block = gpe_block;
gpe_info.gpe_device = gpe_device;
- status = acpi_ns_walk_namespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK, acpi_ev_match_prw_and_gpe,
- &gpe_info, NULL);
+ status =
+ acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
+ ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
+ acpi_ev_match_prw_and_gpe, &gpe_info,
+ NULL);
}
/*
- * Enable all GPEs in this block that are 1) "runtime" or "run/wake" GPEs,
- * and 2) have a corresponding _Lxx or _Exx method. All other GPEs must
- * be enabled via the acpi_enable_gpe() external interface.
+ * Enable all GPEs in this block that have these attributes:
+ * 1) are "runtime" or "run/wake" GPEs, and
+ * 2) have a corresponding _Lxx or _Exx method
+ *
+ * Any other GPEs within this block must be enabled via the acpi_enable_gpe()
+ * external interface.
*/
wake_gpe_count = 0;
gpe_enabled_count = 0;
for (i = 0; i < gpe_block->register_count; i++) {
for (j = 0; j < 8; j++) {
+
/* Get the info block for this particular GPE */
- gpe_event_info = &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
+ gpe_event_info =
+ &gpe_block->
+ event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
- if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_METHOD) &&
- (gpe_event_info->flags & ACPI_GPE_TYPE_RUNTIME)) {
+ if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_METHOD)
+ && (gpe_event_info->
+ flags & ACPI_GPE_TYPE_RUNTIME)) {
gpe_enabled_count++;
}
}
}
- /* Dump info about this GPE block */
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INIT,
- "GPE %02X to %02X [%4.4s] %u regs on int 0x%X\n",
- (u32) gpe_block->block_base_number,
- (u32) (gpe_block->block_base_number +
- ((gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) -1)),
- gpe_device->name.ascii,
- gpe_block->register_count,
- interrupt_level));
-
- /* Enable all valid GPEs found above */
-
- status = acpi_hw_enable_runtime_gpe_block (NULL, gpe_block);
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INIT,
- "Found %u Wake, Enabled %u Runtime GPEs in this block\n",
- wake_gpe_count, gpe_enabled_count));
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT,
+ "Found %u Wake, Enabled %u Runtime GPEs in this block\n",
+ wake_gpe_count, gpe_enabled_count));
- /* Return the new block */
+ /* Enable all valid runtime GPEs found above */
- if (return_gpe_block) {
- (*return_gpe_block) = gpe_block;
+ status = acpi_hw_enable_runtime_gpe_block(NULL, gpe_block);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO, "Could not enable GPEs in GpeBlock %p",
+ gpe_block));
}
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_gpe_initialize
*
******************************************************************************/
-acpi_status
-acpi_ev_gpe_initialize (
- void)
+acpi_status acpi_ev_gpe_initialize(void)
{
- u32 register_count0 = 0;
- u32 register_count1 = 0;
- u32 gpe_number_max = 0;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ev_gpe_initialize");
+ u32 register_count0 = 0;
+ u32 register_count1 = 0;
+ u32 gpe_number_max = 0;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE(ev_gpe_initialize);
- status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/*
* If EITHER the register length OR the block address are zero, then that
* particular block is not supported.
*/
- if (acpi_gbl_FADT->gpe0_blk_len &&
- acpi_gbl_FADT->xgpe0_blk.address) {
+ if (acpi_gbl_FADT->gpe0_blk_len && acpi_gbl_FADT->xgpe0_blk.address) {
+
/* GPE block 0 exists (has both length and address > 0) */
register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2);
- gpe_number_max = (register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1;
+ gpe_number_max =
+ (register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1;
/* Install GPE Block 0 */
- status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device,
- &acpi_gbl_FADT->xgpe0_blk, register_count0, 0,
- acpi_gbl_FADT->sci_int, &acpi_gbl_gpe_fadt_blocks[0]);
+ status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
+ &acpi_gbl_FADT->xgpe0_blk,
+ register_count0, 0,
+ acpi_gbl_FADT->sci_int,
+ &acpi_gbl_gpe_fadt_blocks[0]);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "Could not create GPE Block 0, %s\n",
- acpi_format_exception (status)));
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not create GPE Block 0"));
}
}
- if (acpi_gbl_FADT->gpe1_blk_len &&
- acpi_gbl_FADT->xgpe1_blk.address) {
+ if (acpi_gbl_FADT->gpe1_blk_len && acpi_gbl_FADT->xgpe1_blk.address) {
+
/* GPE block 1 exists (has both length and address > 0) */
register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2);
/* Check for GPE0/GPE1 overlap (if both banks exist) */
if ((register_count0) &&
- (gpe_number_max >= acpi_gbl_FADT->gpe1_base)) {
- ACPI_REPORT_ERROR ((
- "GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1\n",
- gpe_number_max, acpi_gbl_FADT->gpe1_base,
- acpi_gbl_FADT->gpe1_base +
- ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1)));
+ (gpe_number_max >= acpi_gbl_FADT->gpe1_base)) {
+ ACPI_ERROR((AE_INFO,
+ "GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1",
+ gpe_number_max, acpi_gbl_FADT->gpe1_base,
+ acpi_gbl_FADT->gpe1_base +
+ ((register_count1 *
+ ACPI_GPE_REGISTER_WIDTH) - 1)));
/* Ignore GPE1 block by setting the register count to zero */
register_count1 = 0;
- }
- else {
+ } else {
/* Install GPE Block 1 */
- status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device,
- &acpi_gbl_FADT->xgpe1_blk, register_count1,
- acpi_gbl_FADT->gpe1_base,
- acpi_gbl_FADT->sci_int, &acpi_gbl_gpe_fadt_blocks[1]);
-
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "Could not create GPE Block 1, %s\n",
- acpi_format_exception (status)));
+ status =
+ acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
+ &acpi_gbl_FADT->xgpe1_blk,
+ register_count1,
+ acpi_gbl_FADT->gpe1_base,
+ acpi_gbl_FADT->sci_int,
+ &acpi_gbl_gpe_fadt_blocks
+ [1]);
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not create GPE Block 1"));
}
/*
* space. However, GPE0 always starts at GPE number zero.
*/
gpe_number_max = acpi_gbl_FADT->gpe1_base +
- ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
+ ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
}
}
/* Exit if there are no GPE registers */
if ((register_count0 + register_count1) == 0) {
+
/* GPEs are not required by ACPI, this is OK */
- ACPI_DEBUG_PRINT ((ACPI_DB_INIT,
- "There are no GPE blocks defined in the FADT\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT,
+ "There are no GPE blocks defined in the FADT\n"));
status = AE_OK;
goto cleanup;
}
/* Check for Max GPE number out-of-range */
if (gpe_number_max > ACPI_GPE_MAX) {
- ACPI_REPORT_ERROR (("Maximum GPE number from FADT is too large: 0x%X\n",
- gpe_number_max));
+ ACPI_ERROR((AE_INFO,
+ "Maximum GPE number from FADT is too large: 0x%X",
+ gpe_number_max));
status = AE_BAD_VALUE;
goto cleanup;
}
-cleanup:
- (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
- return_ACPI_STATUS (AE_OK);
+ cleanup:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(AE_OK);
}
-
-
git.samba.org / sfrench / cifs-2.6.git / blobdiff