diff options
Diffstat (limited to 'drivers/acpi/acpica/utglobal.c')
| -rw-r--r-- | drivers/acpi/acpica/utglobal.c | 256 |
1 files changed, 57 insertions, 199 deletions
diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c index f736448a8606..97c55a113bae 100644 --- a/drivers/acpi/acpica/utglobal.c +++ b/drivers/acpi/acpica/utglobal.c @@ -1,49 +1,15 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /****************************************************************************** * * Module Name: utglobal - Global variables for the ACPI subsystem * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2013, 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. + * Copyright (C) 2000 - 2025, Intel Corp. * - * 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. - */ + *****************************************************************************/ +#define EXPORT_ACPI_INTERFACES #define DEFINE_ACPI_GLOBALS -#include <linux/export.h> #include <acpi/acpi.h> #include "accommon.h" @@ -55,32 +21,7 @@ ACPI_MODULE_NAME("utglobal") * Static global variable initialization. * ******************************************************************************/ -/* - * We want the debug switches statically initialized so they - * are already set when the debugger is entered. - */ -/* Debug switch - level and trace mask */ -u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT; - -/* Debug switch - layer (component) mask */ - -u32 acpi_dbg_layer = 0; -u32 acpi_gbl_nesting_level = 0; - -/* Debugger globals */ - -u8 acpi_gbl_db_terminate_threads = FALSE; -u8 acpi_gbl_abort_method = FALSE; -u8 acpi_gbl_method_executing = FALSE; - -/* System flags */ - -u32 acpi_gbl_startup_flags = 0; - -/* System starts uninitialized */ - -u8 acpi_gbl_shutdown = TRUE; - +/* Various state name strings */ const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { "\\_S0_", "\\_S1_", @@ -105,6 +46,11 @@ const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = { "_S4D" }; +/* Hex-to-ascii */ + +const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef"; +const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF"; + /******************************************************************************* * * Namespace globals @@ -127,13 +73,17 @@ const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = { {"_SB_", ACPI_TYPE_DEVICE, NULL}, {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, {"_TZ_", ACPI_TYPE_DEVICE, NULL}, - {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL}, + /* + * March, 2015: + * The _REV object is in the process of being deprecated, because + * other ACPI implementations permanently return 2. Thus, it + * has little or no value. Return 2 for compatibility with + * other ACPI implementations. + */ + {"_REV", ACPI_TYPE_INTEGER, ACPI_CAST_PTR(char, 2)}, {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, - {"_GL_", ACPI_TYPE_MUTEX, (char *)1}, - -#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) - {"_OSI", ACPI_TYPE_METHOD, (char *)1}, -#endif + {"_GL_", ACPI_TYPE_MUTEX, ACPI_CAST_PTR(char, 1)}, + {"_OSI", ACPI_TYPE_METHOD, ACPI_CAST_PTR(char, 1)}, /* Table terminator */ @@ -239,145 +189,53 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = }; #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; - -#if (!ACPI_REDUCED_HARDWARE) - - /* GPE 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; - -#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_db_terminate_threads = 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_trace_method_name = 0; - acpi_gbl_trace_dbg_level = 0; - acpi_gbl_trace_dbg_layer = 0; - acpi_gbl_debugger_configuration = DEBUGGER_THREADING; - acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; - acpi_gbl_osi_data = 0; - acpi_gbl_osi_mutex = NULL; - acpi_gbl_reg_methods_executed = FALSE; - - /* Hardware oriented */ - - acpi_gbl_events_initialized = FALSE; - acpi_gbl_system_awake_and_running = TRUE; +#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) - /* Namespace */ +/* to_pld macro: compile/disassemble strings */ - 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; +const char *acpi_gbl_pld_panel_list[] = { + "TOP", + "BOTTOM", + "LEFT", + "RIGHT", + "FRONT", + "BACK", + "UNKNOWN", + NULL +}; -#ifdef ACPI_DISASSEMBLER - acpi_gbl_external_list = NULL; - acpi_gbl_num_external_methods = 0; - acpi_gbl_resolved_external_methods = 0; -#endif +const char *acpi_gbl_pld_vertical_position_list[] = { + "UPPER", + "CENTER", + "LOWER", + NULL +}; -#ifdef ACPI_DEBUG_OUTPUT - acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX); -#endif +const char *acpi_gbl_pld_horizontal_position_list[] = { + "LEFT", + "CENTER", + "RIGHT", + NULL +}; -#ifdef ACPI_DBG_TRACK_ALLOCATIONS - acpi_gbl_display_final_mem_stats = FALSE; - acpi_gbl_disable_mem_tracking = FALSE; +const char *acpi_gbl_pld_shape_list[] = { + "ROUND", + "OVAL", + "SQUARE", + "VERTICALRECTANGLE", + "HORIZONTALRECTANGLE", + "VERTICALTRAPEZOID", + "HORIZONTALTRAPEZOID", + "UNKNOWN", + "CHAMFERED", + NULL +}; #endif - return_ACPI_STATUS(AE_OK); -} - /* Public globals */ ACPI_EXPORT_SYMBOL(acpi_gbl_FADT) ACPI_EXPORT_SYMBOL(acpi_dbg_level) ACPI_EXPORT_SYMBOL(acpi_dbg_layer) +ACPI_EXPORT_SYMBOL(acpi_gpe_count) ACPI_EXPORT_SYMBOL(acpi_current_gpe_count) |