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Diffstat (limited to 'drivers/acpi/acpica/acglobal.h')
| -rw-r--r-- | drivers/acpi/acpica/acglobal.h | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h new file mode 100644 index 00000000000..ddb40f5c68f --- /dev/null +++ b/drivers/acpi/acpica/acglobal.h @@ -0,0 +1,394 @@ +/****************************************************************************** + * + * Name: acglobal.h - Declarations for global variables + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2008, 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. + */ + +#ifndef __ACGLOBAL_H__ +#define __ACGLOBAL_H__ + +/* + * Ensure that the globals are actually defined and initialized only once. + * + * The use of these macros allows a single list of globals (here) in order + * to simplify maintenance of the code. + */ +#ifdef DEFINE_ACPI_GLOBALS +#define ACPI_EXTERN +#define ACPI_INIT_GLOBAL(a,b) a=b +#else +#define ACPI_EXTERN extern +#define ACPI_INIT_GLOBAL(a,b) a +#endif + +/***************************************************************************** + * + * Runtime configuration (static defaults that can be overriden at runtime) + * + ****************************************************************************/ + +/* + * Enable "slack" in the AML interpreter? Default is FALSE, and the + * interpreter strictly follows the ACPI specification. Setting to TRUE + * allows the interpreter to ignore certain errors and/or bad AML constructs. + * + * Currently, these features are enabled by this flag: + * + * 1) Allow "implicit return" of last value in a control method + * 2) Allow access beyond the end of an operation region + * 3) Allow access to uninitialized locals/args (auto-init to integer 0) + * 4) Allow ANY object type to be a source operand for the Store() operator + * 5) Allow unresolved references (invalid target name) in package objects + * 6) Enable warning messages for behavior that is not ACPI spec compliant + */ +ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE); + +/* + * Automatically serialize ALL control methods? Default is FALSE, meaning + * to use the Serialized/not_serialized method flags on a per method basis. + * Only change this if the ASL code is poorly written and cannot handle + * reentrancy even though methods are marked "NotSerialized". + */ +ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE); + +/* + * Create the predefined _OSI method in the namespace? Default is TRUE + * because ACPI CA is fully compatible with other ACPI implementations. + * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior. + */ +ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE); + +/* + * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and + * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only + * be enabled just before going to sleep. + */ +ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE); + +/* + * Optionally use default values for the ACPI register widths. Set this to + * TRUE to use the defaults, if an FADT contains incorrect widths/lengths. + */ +ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE); + +/***************************************************************************** + * + * Debug support + * + ****************************************************************************/ + +/* Runtime configuration of debug print levels */ + +extern u32 acpi_dbg_level; +extern u32 acpi_dbg_layer; + +/* Procedure nesting level for debug output */ + +extern u32 acpi_gbl_nesting_level; + +/* Support for dynamic control method tracing mechanism */ + +ACPI_EXTERN u32 acpi_gbl_original_dbg_level; +ACPI_EXTERN u32 acpi_gbl_original_dbg_layer; +ACPI_EXTERN acpi_name acpi_gbl_trace_method_name; +ACPI_EXTERN u32 acpi_gbl_trace_dbg_level; +ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer; +ACPI_EXTERN u32 acpi_gbl_trace_flags; + +/***************************************************************************** + * + * ACPI Table globals + * + ****************************************************************************/ + +/* + * acpi_gbl_root_table_list is the master list of ACPI tables found in the + * RSDT/XSDT. + * + * acpi_gbl_FADT is a local copy of the FADT, converted to a common format. + */ +ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list; +ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT; +ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS; + +/* These addresses are calculated from FADT address values */ + +ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable; +ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable; + +/* + * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is + * determined by the revision of the DSDT: If the DSDT revision is less than + * 2, use only the lower 32 bits of the internal 64-bit Integer. + */ +ACPI_EXTERN u8 acpi_gbl_integer_bit_width; +ACPI_EXTERN u8 acpi_gbl_integer_byte_width; +ACPI_EXTERN u8 acpi_gbl_integer_nybble_width; + +/***************************************************************************** + * + * Mutual exlusion within ACPICA subsystem + * + ****************************************************************************/ + +/* + * Predefined mutex objects. This array contains the + * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. + * (The table maps local handles to the real OS handles) + */ +ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX]; + +/* + * Global lock mutex is an actual AML mutex object + * Global lock semaphore works in conjunction with the HW global lock + */ +ACPI_EXTERN union acpi_operand_object *acpi_gbl_global_lock_mutex; +ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore; +ACPI_EXTERN u16 acpi_gbl_global_lock_handle; +ACPI_EXTERN u8 acpi_gbl_global_lock_acquired; +ACPI_EXTERN u8 acpi_gbl_global_lock_present; + +/* + * Spinlocks are used for interfaces that can be possibly called at + * interrupt level + */ +ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock; /* For GPE data structs and registers */ +ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */ +#define acpi_gbl_gpe_lock &_acpi_gbl_gpe_lock +#define acpi_gbl_hardware_lock &_acpi_gbl_hardware_lock + +/***************************************************************************** + * + * Miscellaneous globals + * + ****************************************************************************/ + +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + +/* Lists for tracking memory allocations */ + +ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list; +ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list; +ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats; +#endif + +/* Object caches */ + +ACPI_EXTERN acpi_cache_t *acpi_gbl_namespace_cache; +ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache; +ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache; +ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache; +ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache; + +/* Global handlers */ + +ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify; +ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify; +ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler; +ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler; +ACPI_EXTERN acpi_tbl_handler acpi_gbl_table_handler; +ACPI_EXTERN void *acpi_gbl_table_handler_context; +ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk; + +/* Owner ID support */ + +ACPI_EXTERN u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]; +ACPI_EXTERN u8 acpi_gbl_last_owner_id_index; +ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset; + +/* Misc */ + +ACPI_EXTERN u32 acpi_gbl_original_mode; +ACPI_EXTERN u32 acpi_gbl_rsdp_original_location; +ACPI_EXTERN u32 acpi_gbl_ns_lookup_count; +ACPI_EXTERN u32 acpi_gbl_ps_find_count; +ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save; +ACPI_EXTERN u8 acpi_gbl_debugger_configuration; +ACPI_EXTERN u8 acpi_gbl_step_to_next_call; +ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present; +ACPI_EXTERN u8 acpi_gbl_events_initialized; +ACPI_EXTERN u8 acpi_gbl_system_awake_and_running; + +#ifndef DEFINE_ACPI_GLOBALS + +/* Other miscellaneous */ + +extern u8 acpi_gbl_shutdown; +extern u32 acpi_gbl_startup_flags; +extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; +extern const char *acpi_gbl_highest_dstate_names[4]; +extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; +extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; + +#endif + +/* Exception codes */ + +extern char const *acpi_gbl_exception_names_env[]; +extern char const *acpi_gbl_exception_names_pgm[]; +extern char const *acpi_gbl_exception_names_tbl[]; +extern char const *acpi_gbl_exception_names_aml[]; +extern char const *acpi_gbl_exception_names_ctrl[]; + +/***************************************************************************** + * + * Namespace globals + * + ****************************************************************************/ + +#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) +#define NUM_PREDEFINED_NAMES 10 +#else +#define NUM_PREDEFINED_NAMES 9 +#endif + +ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct; +ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node; +ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device; + +extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; +extern const struct acpi_predefined_names + acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; + +#ifdef ACPI_DEBUG_OUTPUT +ACPI_EXTERN u32 acpi_gbl_current_node_count; +ACPI_EXTERN u32 acpi_gbl_current_node_size; +ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count; +ACPI_EXTERN acpi_size *acpi_gbl_entry_stack_pointer; +ACPI_EXTERN acpi_size *acpi_gbl_lowest_stack_pointer; +ACPI_EXTERN u32 acpi_gbl_deepest_nesting; +#endif + +/***************************************************************************** + * + * Interpreter globals + * + ****************************************************************************/ + +ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list; + +/* Control method single step flag */ + +ACPI_EXTERN u8 acpi_gbl_cm_single_step; + +/***************************************************************************** + * + * Hardware globals + * + ****************************************************************************/ + +extern struct acpi_bit_register_info + acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; +ACPI_EXTERN u8 acpi_gbl_sleep_type_a; +ACPI_EXTERN u8 acpi_gbl_sleep_type_b; + +/***************************************************************************** + * + * Event and GPE globals + * + ****************************************************************************/ + +extern struct acpi_fixed_event_info + acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; +ACPI_EXTERN struct acpi_fixed_event_handler + acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]; +ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head; +ACPI_EXTERN struct acpi_gpe_block_info +*acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]; +ACPI_EXTERN u32 acpi_current_gpe_count; + +/***************************************************************************** + * + * Debugger globals + * + ****************************************************************************/ + +ACPI_EXTERN u8 acpi_gbl_db_output_flags; + +#ifdef ACPI_DISASSEMBLER + +ACPI_EXTERN u8 acpi_gbl_db_opt_disasm; +ACPI_EXTERN u8 acpi_gbl_db_opt_verbose; +#endif + +#ifdef ACPI_DEBUGGER + +extern u8 acpi_gbl_method_executing; +extern u8 acpi_gbl_abort_method; +extern u8 acpi_gbl_db_terminate_threads; + +ACPI_EXTERN int optind; +ACPI_EXTERN char *optarg; + +ACPI_EXTERN u8 acpi_gbl_db_opt_tables; +ACPI_EXTERN u8 acpi_gbl_db_opt_stats; +ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods; + +ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]; +ACPI_EXTERN char acpi_gbl_db_line_buf[80]; +ACPI_EXTERN char acpi_gbl_db_parsed_buf[80]; +ACPI_EXTERN char acpi_gbl_db_scope_buf[40]; +ACPI_EXTERN char acpi_gbl_db_debug_filename[40]; +ACPI_EXTERN u8 acpi_gbl_db_output_to_file; +ACPI_EXTERN char *acpi_gbl_db_buffer; +ACPI_EXTERN char *acpi_gbl_db_filename; +ACPI_EXTERN u32 acpi_gbl_db_debug_level; +ACPI_EXTERN u32 acpi_gbl_db_console_debug_level; +ACPI_EXTERN struct acpi_table_header *acpi_gbl_db_table_ptr; +ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node; + +/* + * Statistic globals + */ +ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]; +ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]; +ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc; +ACPI_EXTERN u16 acpi_gbl_node_type_count_misc; +ACPI_EXTERN u32 acpi_gbl_num_nodes; +ACPI_EXTERN u32 acpi_gbl_num_objects; + +ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree; +ACPI_EXTERN u32 acpi_gbl_size_of_method_trees; +ACPI_EXTERN u32 acpi_gbl_size_of_node_entries; +ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects; + +#endif /* ACPI_DEBUGGER */ + +#endif /* __ACGLOBAL_H__ */ |