*****************************************************************************/
/*
- * 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
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acevents.h>
#include <acpi/acnamesp.h>
#include <acpi/acdebug.h>
#define _COMPONENT ACPI_UTILITIES
- ACPI_MODULE_NAME ("utxface")
-
+ACPI_MODULE_NAME("utxface")
/*******************************************************************************
*
* called, so any early initialization belongs here.
*
******************************************************************************/
-
-acpi_status
-acpi_initialize_subsystem (
- void)
+acpi_status acpi_initialize_subsystem(void)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("acpi_initialize_subsystem");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);
- ACPI_DEBUG_EXEC (acpi_ut_init_stack_ptr_trace ());
+ ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());
/* Initialize the OS-Dependent layer */
- status = acpi_os_initialize ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("OSD failed to initialize, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ status = acpi_os_initialize();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization"));
+ return_ACPI_STATUS(status);
}
/* Initialize all globals used by the subsystem */
- acpi_ut_init_globals ();
+ acpi_ut_init_globals();
/* Create the default mutex objects */
- status = acpi_ut_mutex_initialize ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("Global mutex creation failure, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ status = acpi_ut_mutex_initialize();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "During Global Mutex creation"));
+ return_ACPI_STATUS(status);
}
/*
* Initialize the namespace manager and
* the root of the namespace tree
*/
- status = acpi_ns_root_initialize ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("Namespace initialization failure, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ status = acpi_ns_root_initialize();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "During Namespace initialization"));
+ return_ACPI_STATUS(status);
}
/* If configured, initialize the AML debugger */
- ACPI_DEBUGGER_EXEC (status = acpi_db_initialize ());
-
- return_ACPI_STATUS (status);
+ ACPI_DEBUGGER_EXEC(status = acpi_db_initialize());
+ return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_initialize_subsystem)
/*******************************************************************************
*
* Puts system into ACPI mode if it isn't already.
*
******************************************************************************/
-
-acpi_status
-acpi_enable_subsystem (
- u32 flags)
+acpi_status acpi_enable_subsystem(u32 flags)
{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE ("acpi_enable_subsystem");
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE(acpi_enable_subsystem);
/*
* We must initialize the hardware before we can enable ACPI.
* The values from the FADT are validated here.
*/
if (!(flags & ACPI_NO_HARDWARE_INIT)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "[Init] Initializing ACPI hardware\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Initializing ACPI hardware\n"));
- status = acpi_hw_initialize ();
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_hw_initialize();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
/* Enable ACPI mode */
if (!(flags & ACPI_NO_ACPI_ENABLE)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Going into ACPI mode\n"));
acpi_gbl_original_mode = acpi_hw_get_mode();
- status = acpi_enable ();
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "acpi_enable failed.\n"));
- return_ACPI_STATUS (status);
+ status = acpi_enable();
+ if (ACPI_FAILURE(status)) {
+ ACPI_WARNING((AE_INFO, "AcpiEnable failed"));
+ return_ACPI_STATUS(status);
}
}
* install_address_space_handler interface.
*/
if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "[Init] Installing default address space handlers\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Installing default address space handlers\n"));
- status = acpi_ev_install_region_handlers ();
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ev_install_region_handlers();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
/*
* Initialize ACPI Event handling (Fixed and General Purpose)
*
- * NOTE: We must have the hardware AND events initialized before we can
- * execute ANY control methods SAFELY. Any control method can require
- * ACPI hardware support, so the hardware MUST be initialized before
- * execution!
+ * Note1: We must have the hardware and events initialized before we can
+ * execute any control methods safely. Any control method can require
+ * ACPI hardware support, so the hardware must be fully initialized before
+ * any method execution!
+ *
+ * Note2: Fixed events are initialized and enabled here. GPEs are
+ * initialized, but cannot be enabled until after the hardware is
+ * completely initialized (SCI and global_lock activated)
*/
if (!(flags & ACPI_NO_EVENT_INIT)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "[Init] Initializing ACPI events\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Initializing ACPI events\n"));
- status = acpi_ev_initialize_events ();
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ev_initialize_events();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
- /* Install the SCI handler and Global Lock handler */
-
+ /*
+ * Install the SCI handler and Global Lock handler. This completes the
+ * hardware initialization.
+ */
if (!(flags & ACPI_NO_HANDLER_INIT)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "[Init] Installing SCI/GL handlers\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Installing SCI/GL handlers\n"));
+
+ status = acpi_ev_install_xrupt_handlers();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
- status = acpi_ev_install_xrupt_handlers ();
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ /*
+ * Complete the GPE initialization for the GPE blocks defined in the FADT
+ * (GPE block 0 and 1).
+ *
+ * Note1: This is where the _PRW methods are executed for the GPEs. These
+ * methods can only be executed after the SCI and Global Lock handlers are
+ * installed and initialized.
+ *
+ * Note2: Currently, there seems to be no need to run the _REG methods
+ * before execution of the _PRW methods and enabling of the GPEs.
+ */
+ if (!(flags & ACPI_NO_EVENT_INIT)) {
+ status = acpi_ev_install_fadt_gpes();
+ if (ACPI_FAILURE(status)) {
+ return (status);
}
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_enable_subsystem)
+
/*******************************************************************************
*
* FUNCTION: acpi_initialize_objects
* objects and executing AML code for Regions, buffers, etc.
*
******************************************************************************/
-
-acpi_status
-acpi_initialize_objects (
- u32 flags)
+acpi_status acpi_initialize_objects(u32 flags)
{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE ("acpi_initialize_objects");
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE(acpi_initialize_objects);
/*
* Run all _REG methods
*
- * NOTE: Any objects accessed
- * by the _REG methods will be automatically initialized, even if they
- * contain executable AML (see call to acpi_ns_initialize_objects below).
+ * Note: Any objects accessed by the _REG methods will be automatically
+ * initialized, even if they contain executable AML (see the call to
+ * acpi_ns_initialize_objects below).
*/
if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "[Init] Executing _REG op_region methods\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Executing _REG OpRegion methods\n"));
- status = acpi_ev_initialize_op_regions ();
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ev_initialize_op_regions();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
/*
- * Initialize the objects that remain uninitialized. This
- * runs the executable AML that may be part of the declaration of these
- * objects: operation_regions, buffer_fields, Buffers, and Packages.
+ * Initialize the objects that remain uninitialized. This runs the
+ * executable AML that may be part of the declaration of these objects:
+ * operation_regions, buffer_fields, Buffers, and Packages.
*/
if (!(flags & ACPI_NO_OBJECT_INIT)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "[Init] Completing Initialization of ACPI Objects\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Completing Initialization of ACPI Objects\n"));
- status = acpi_ns_initialize_objects ();
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ns_initialize_objects();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
/*
- * Initialize all device objects in the namespace
- * This runs the _STA and _INI methods.
+ * Initialize all device objects in the namespace. This runs the device
+ * _STA and _INI methods.
*/
if (!(flags & ACPI_NO_DEVICE_INIT)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "[Init] Initializing ACPI Devices\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Initializing ACPI Devices\n"));
- status = acpi_ns_initialize_devices ();
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ns_initialize_devices();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
* the table load filled them up more than they will be at runtime --
* thus wasting non-paged memory.
*/
- status = acpi_purge_cached_objects ();
+ status = acpi_purge_cached_objects();
acpi_gbl_startup_flags |= ACPI_INITIALIZED_OK;
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_initialize_objects)
/*******************************************************************************
*
* DESCRIPTION: Shutdown the ACPI subsystem. Release all resources.
*
******************************************************************************/
-
-acpi_status
-acpi_terminate (
- void)
+acpi_status acpi_terminate(void)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("acpi_terminate");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE(acpi_terminate);
/* Terminate the AML Debugger if present */
/* Shutdown and free all resources */
- acpi_ut_subsystem_shutdown ();
-
+ acpi_ut_subsystem_shutdown();
/* Free the mutex objects */
- acpi_ut_mutex_terminate ();
-
+ acpi_ut_mutex_terminate();
#ifdef ACPI_DEBUGGER
/* Shut down the debugger */
- acpi_db_terminate ();
+ acpi_db_terminate();
#endif
/* Now we can shutdown the OS-dependent layer */
- status = acpi_os_terminate ();
- return_ACPI_STATUS (status);
+ status = acpi_os_terminate();
+ return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_terminate)
#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
* initialized successfully.
*
******************************************************************************/
-
-acpi_status
-acpi_subsystem_status (
- void)
+acpi_status acpi_subsystem_status(void)
{
if (acpi_gbl_startup_flags & ACPI_INITIALIZED_OK) {
return (AE_OK);
- }
- else {
+ } else {
return (AE_ERROR);
}
}
+ACPI_EXPORT_SYMBOL(acpi_subsystem_status)
/*******************************************************************************
*
* and the value of out_buffer is undefined.
*
******************************************************************************/
-
-acpi_status
-acpi_get_system_info (
- struct acpi_buffer *out_buffer)
+acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer)
{
- struct acpi_system_info *info_ptr;
- acpi_status status;
- u32 i;
-
-
- ACPI_FUNCTION_TRACE ("acpi_get_system_info");
+ struct acpi_system_info *info_ptr;
+ acpi_status status;
+ u32 i;
+ ACPI_FUNCTION_TRACE(acpi_get_system_info);
/* Parameter validation */
- status = acpi_ut_validate_buffer (out_buffer);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_validate_buffer(out_buffer);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Validate/Allocate/Clear caller buffer */
- status = acpi_ut_initialize_buffer (out_buffer, sizeof (struct acpi_system_info));
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status =
+ acpi_ut_initialize_buffer(out_buffer,
+ sizeof(struct acpi_system_info));
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/*
* Populate the return buffer
*/
- info_ptr = (struct acpi_system_info *) out_buffer->pointer;
+ info_ptr = (struct acpi_system_info *)out_buffer->pointer;
- info_ptr->acpi_ca_version = ACPI_CA_VERSION;
+ info_ptr->acpi_ca_version = ACPI_CA_VERSION;
/* System flags (ACPI capabilities) */
- info_ptr->flags = ACPI_SYS_MODE_ACPI;
+ info_ptr->flags = ACPI_SYS_MODE_ACPI;
/* Timer resolution - 24 or 32 bits */
if (!acpi_gbl_FADT) {
info_ptr->timer_resolution = 0;
- }
- else if (acpi_gbl_FADT->tmr_val_ext == 0) {
+ } else if (acpi_gbl_FADT->tmr_val_ext == 0) {
info_ptr->timer_resolution = 24;
- }
- else {
+ } else {
info_ptr->timer_resolution = 32;
}
/* Clear the reserved fields */
- info_ptr->reserved1 = 0;
- info_ptr->reserved2 = 0;
+ info_ptr->reserved1 = 0;
+ info_ptr->reserved2 = 0;
/* Current debug levels */
- info_ptr->debug_layer = acpi_dbg_layer;
- info_ptr->debug_level = acpi_dbg_level;
+ info_ptr->debug_layer = acpi_dbg_layer;
+ info_ptr->debug_level = acpi_dbg_level;
/* Current status of the ACPI tables, per table type */
- info_ptr->num_table_types = NUM_ACPI_TABLE_TYPES;
- for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) {
+ info_ptr->num_table_types = ACPI_TABLE_ID_MAX + 1;
+ for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
info_ptr->table_info[i].count = acpi_gbl_table_lists[i].count;
}
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_get_system_info);
+ACPI_EXPORT_SYMBOL(acpi_get_system_info)
/*****************************************************************************
*
* TBD: When a second function is added, must save the Function also.
*
****************************************************************************/
-
acpi_status
-acpi_install_initialization_handler (
- acpi_init_handler handler,
- u32 function)
+acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
{
if (!handler) {
return AE_OK;
}
-#endif /* ACPI_FUTURE_USAGE */
+ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler)
+#endif /* ACPI_FUTURE_USAGE */
/*****************************************************************************
*
* DESCRIPTION: Empty all caches (delete the cached objects)
*
****************************************************************************/
-
-acpi_status
-acpi_purge_cached_objects (
- void)
+acpi_status acpi_purge_cached_objects(void)
{
- ACPI_FUNCTION_TRACE ("acpi_purge_cached_objects");
+ ACPI_FUNCTION_TRACE(acpi_purge_cached_objects);
- (void) acpi_os_purge_cache (acpi_gbl_state_cache);
- (void) acpi_os_purge_cache (acpi_gbl_operand_cache);
- (void) acpi_os_purge_cache (acpi_gbl_ps_node_cache);
- (void) acpi_os_purge_cache (acpi_gbl_ps_node_ext_cache);
- return_ACPI_STATUS (AE_OK);
+ (void)acpi_os_purge_cache(acpi_gbl_state_cache);
+ (void)acpi_os_purge_cache(acpi_gbl_operand_cache);
+ (void)acpi_os_purge_cache(acpi_gbl_ps_node_cache);
+ (void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache);
+ return_ACPI_STATUS(AE_OK);
}
+
+ACPI_EXPORT_SYMBOL(acpi_purge_cached_objects)
git.openpandora.org / pandora-kernel.git / blobdiff