mirror of https://gitee.com/openkylin/linux.git
324 lines
8.6 KiB
C
324 lines
8.6 KiB
C
/******************************************************************************
|
|
*
|
|
* Module Name: utinit - Common ACPI subsystem initialization
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2018, Intel Corp.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions, and the following disclaimer,
|
|
* without modification.
|
|
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
|
* substantially similar to the "NO WARRANTY" disclaimer below
|
|
* ("Disclaimer") and any redistribution must be conditioned upon
|
|
* including a substantially similar Disclaimer requirement for further
|
|
* binary redistribution.
|
|
* 3. Neither the names of the above-listed copyright holders nor the names
|
|
* of any contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* NO WARRANTY
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
|
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGES.
|
|
*/
|
|
|
|
#include <acpi/acpi.h>
|
|
#include "accommon.h"
|
|
#include "acnamesp.h"
|
|
#include "acevents.h"
|
|
#include "actables.h"
|
|
|
|
#define _COMPONENT ACPI_UTILITIES
|
|
ACPI_MODULE_NAME("utinit")
|
|
|
|
/* Local prototypes */
|
|
static void acpi_ut_terminate(void);
|
|
|
|
#if (!ACPI_REDUCED_HARDWARE)
|
|
|
|
static void acpi_ut_free_gpe_lists(void);
|
|
|
|
#else
|
|
|
|
#define acpi_ut_free_gpe_lists()
|
|
#endif /* !ACPI_REDUCED_HARDWARE */
|
|
|
|
#if (!ACPI_REDUCED_HARDWARE)
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_free_gpe_lists
|
|
*
|
|
* PARAMETERS: none
|
|
*
|
|
* RETURN: none
|
|
*
|
|
* DESCRIPTION: Free global GPE lists
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void acpi_ut_free_gpe_lists(void)
|
|
{
|
|
struct acpi_gpe_block_info *gpe_block;
|
|
struct acpi_gpe_block_info *next_gpe_block;
|
|
struct acpi_gpe_xrupt_info *gpe_xrupt_info;
|
|
struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
|
|
|
|
/* Free global GPE blocks and related info structures */
|
|
|
|
gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
|
|
while (gpe_xrupt_info) {
|
|
gpe_block = gpe_xrupt_info->gpe_block_list_head;
|
|
while (gpe_block) {
|
|
next_gpe_block = gpe_block->next;
|
|
ACPI_FREE(gpe_block->event_info);
|
|
ACPI_FREE(gpe_block->register_info);
|
|
ACPI_FREE(gpe_block);
|
|
|
|
gpe_block = next_gpe_block;
|
|
}
|
|
next_gpe_xrupt_info = gpe_xrupt_info->next;
|
|
ACPI_FREE(gpe_xrupt_info);
|
|
gpe_xrupt_info = next_gpe_xrupt_info;
|
|
}
|
|
}
|
|
#endif /* !ACPI_REDUCED_HARDWARE */
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_init_globals
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Initialize ACPICA globals. All globals that require specific
|
|
* initialization should be initialized here. This allows for
|
|
* a warm restart.
|
|
*
|
|
******************************************************************************/
|
|
|
|
acpi_status acpi_ut_init_globals(void)
|
|
{
|
|
acpi_status status;
|
|
u32 i;
|
|
|
|
ACPI_FUNCTION_TRACE(ut_init_globals);
|
|
|
|
/* Create all memory caches */
|
|
|
|
status = acpi_ut_create_caches();
|
|
if (ACPI_FAILURE(status)) {
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Address Range lists */
|
|
|
|
for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) {
|
|
acpi_gbl_address_range_list[i] = NULL;
|
|
}
|
|
|
|
/* Mutex locked flags */
|
|
|
|
for (i = 0; i < ACPI_NUM_MUTEX; i++) {
|
|
acpi_gbl_mutex_info[i].mutex = NULL;
|
|
acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
|
|
acpi_gbl_mutex_info[i].use_count = 0;
|
|
}
|
|
|
|
for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) {
|
|
acpi_gbl_owner_id_mask[i] = 0;
|
|
}
|
|
|
|
/* Last owner_ID is never valid */
|
|
|
|
acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
|
|
|
|
/* Event counters */
|
|
|
|
acpi_method_count = 0;
|
|
acpi_sci_count = 0;
|
|
acpi_gpe_count = 0;
|
|
|
|
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
|
|
acpi_fixed_event_count[i] = 0;
|
|
}
|
|
|
|
#if (!ACPI_REDUCED_HARDWARE)
|
|
|
|
/* GPE/SCI support */
|
|
|
|
acpi_gbl_all_gpes_initialized = FALSE;
|
|
acpi_gbl_gpe_xrupt_list_head = NULL;
|
|
acpi_gbl_gpe_fadt_blocks[0] = NULL;
|
|
acpi_gbl_gpe_fadt_blocks[1] = NULL;
|
|
acpi_current_gpe_count = 0;
|
|
|
|
acpi_gbl_global_event_handler = NULL;
|
|
acpi_gbl_sci_handler_list = NULL;
|
|
|
|
#endif /* !ACPI_REDUCED_HARDWARE */
|
|
|
|
/* Global handlers */
|
|
|
|
acpi_gbl_global_notify[0].handler = NULL;
|
|
acpi_gbl_global_notify[1].handler = NULL;
|
|
acpi_gbl_exception_handler = NULL;
|
|
acpi_gbl_init_handler = NULL;
|
|
acpi_gbl_table_handler = NULL;
|
|
acpi_gbl_interface_handler = NULL;
|
|
|
|
/* Global Lock support */
|
|
|
|
acpi_gbl_global_lock_semaphore = NULL;
|
|
acpi_gbl_global_lock_mutex = NULL;
|
|
acpi_gbl_global_lock_acquired = FALSE;
|
|
acpi_gbl_global_lock_handle = 0;
|
|
acpi_gbl_global_lock_present = FALSE;
|
|
|
|
/* Miscellaneous variables */
|
|
|
|
acpi_gbl_DSDT = NULL;
|
|
acpi_gbl_cm_single_step = FALSE;
|
|
acpi_gbl_shutdown = FALSE;
|
|
acpi_gbl_ns_lookup_count = 0;
|
|
acpi_gbl_ps_find_count = 0;
|
|
acpi_gbl_acpi_hardware_present = TRUE;
|
|
acpi_gbl_last_owner_id_index = 0;
|
|
acpi_gbl_next_owner_id_offset = 0;
|
|
acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
|
|
acpi_gbl_osi_mutex = NULL;
|
|
|
|
/* Hardware oriented */
|
|
|
|
acpi_gbl_events_initialized = FALSE;
|
|
acpi_gbl_system_awake_and_running = TRUE;
|
|
|
|
/* Namespace */
|
|
|
|
acpi_gbl_module_code_list = NULL;
|
|
acpi_gbl_root_node = NULL;
|
|
acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
|
|
acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
|
|
acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
|
|
acpi_gbl_root_node_struct.parent = NULL;
|
|
acpi_gbl_root_node_struct.child = NULL;
|
|
acpi_gbl_root_node_struct.peer = NULL;
|
|
acpi_gbl_root_node_struct.object = NULL;
|
|
|
|
#ifdef ACPI_DISASSEMBLER
|
|
acpi_gbl_external_list = NULL;
|
|
acpi_gbl_num_external_methods = 0;
|
|
acpi_gbl_resolved_external_methods = 0;
|
|
#endif
|
|
|
|
#ifdef ACPI_DEBUG_OUTPUT
|
|
acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
|
|
#endif
|
|
|
|
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
|
|
acpi_gbl_display_final_mem_stats = FALSE;
|
|
acpi_gbl_disable_mem_tracking = FALSE;
|
|
#endif
|
|
|
|
return_ACPI_STATUS(AE_OK);
|
|
}
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_terminate
|
|
*
|
|
* PARAMETERS: none
|
|
*
|
|
* RETURN: none
|
|
*
|
|
* DESCRIPTION: Free global memory
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void acpi_ut_terminate(void)
|
|
{
|
|
ACPI_FUNCTION_TRACE(ut_terminate);
|
|
|
|
acpi_ut_free_gpe_lists();
|
|
acpi_ut_delete_address_lists();
|
|
return_VOID;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_subsystem_shutdown
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Shutdown the various components. Do not delete the mutex
|
|
* objects here, because the AML debugger may be still running.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void acpi_ut_subsystem_shutdown(void)
|
|
{
|
|
ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
|
|
|
|
/* Just exit if subsystem is already shutdown */
|
|
|
|
if (acpi_gbl_shutdown) {
|
|
ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated"));
|
|
return_VOID;
|
|
}
|
|
|
|
/* Subsystem appears active, go ahead and shut it down */
|
|
|
|
acpi_gbl_shutdown = TRUE;
|
|
acpi_gbl_startup_flags = 0;
|
|
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
|
|
|
|
#ifndef ACPI_ASL_COMPILER
|
|
|
|
/* Close the acpi_event Handling */
|
|
|
|
acpi_ev_terminate();
|
|
|
|
/* Delete any dynamic _OSI interfaces */
|
|
|
|
acpi_ut_interface_terminate();
|
|
#endif
|
|
|
|
/* Close the Namespace */
|
|
|
|
acpi_ns_terminate();
|
|
|
|
/* Delete the ACPI tables */
|
|
|
|
acpi_tb_terminate();
|
|
|
|
/* Close the globals */
|
|
|
|
acpi_ut_terminate();
|
|
|
|
/* Purge the local caches */
|
|
|
|
(void)acpi_ut_delete_caches();
|
|
return_VOID;
|
|
}
|