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3f6f49c785
_GTS and _BFS were added to the suspend/resume flow in the ACPI 2.0 specification. Linux dutifully implemented _GTS and _BFS. We discovered that it was rarely seen in systems in the field. Further, some of those systems had AML so bogus that it could never work -- proof that no other operating system supports _GTS and _BFS. So we made _GTS and _BFS optional via modparam, and disabled them by default. But we've had to complicate some code to keep this support in the kernel, as these methods are defined to be evaluated very close to sleep entry and exit. Indeed, no other AML is ever evaluated with interrupts off. We have submitted a proposal for _GTS and _BFS to be officially removed from the ACPI specification on the next revision. Here we remove it from Linux. Signed-off-by: Len Brown <len.brown@intel.com> Acked-by: Ingo Molnar <mingo@kernel.org> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
567 lines
16 KiB
C
567 lines
16 KiB
C
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/******************************************************************************
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*
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* Name: acpixf.h - External interfaces to the ACPI subsystem
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2012, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef __ACXFACE_H__
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#define __ACXFACE_H__
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/* Current ACPICA subsystem version in YYYYMMDD format */
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#define ACPI_CA_VERSION 0x20120711
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#include "acconfig.h"
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#include "actypes.h"
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#include "actbl.h"
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extern u8 acpi_gbl_permanent_mmap;
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/*
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* Globals that are publicly available, allowing for
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* run time configuration
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*/
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extern u32 acpi_dbg_level;
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extern u32 acpi_dbg_layer;
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extern u8 acpi_gbl_enable_interpreter_slack;
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extern u8 acpi_gbl_all_methods_serialized;
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extern u8 acpi_gbl_create_osi_method;
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extern u8 acpi_gbl_use_default_register_widths;
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extern acpi_name acpi_gbl_trace_method_name;
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extern u32 acpi_gbl_trace_flags;
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extern bool acpi_gbl_enable_aml_debug_object;
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extern u8 acpi_gbl_copy_dsdt_locally;
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extern u8 acpi_gbl_truncate_io_addresses;
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extern u8 acpi_gbl_disable_auto_repair;
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/*
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* Hardware-reduced prototypes. All interfaces that use these macros will
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* be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
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* is set to TRUE.
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*/
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#if (!ACPI_REDUCED_HARDWARE)
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#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
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prototype;
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#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
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prototype;
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#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
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prototype;
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#else
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#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
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static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
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#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
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static ACPI_INLINE prototype {return(AE_OK);}
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#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
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static ACPI_INLINE prototype {}
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#endif /* !ACPI_REDUCED_HARDWARE */
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extern u32 acpi_current_gpe_count;
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extern struct acpi_table_fadt acpi_gbl_FADT;
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extern u8 acpi_gbl_system_awake_and_running;
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extern u8 acpi_gbl_reduced_hardware; /* ACPI 5.0 */
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extern u32 acpi_rsdt_forced;
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/*
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* Global interfaces
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*/
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acpi_status
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acpi_initialize_tables(struct acpi_table_desc *initial_storage,
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u32 initial_table_count, u8 allow_resize);
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acpi_status __init acpi_initialize_subsystem(void);
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acpi_status acpi_enable_subsystem(u32 flags);
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acpi_status acpi_initialize_objects(u32 flags);
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acpi_status acpi_terminate(void);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status acpi_subsystem_status(void);
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#endif
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
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#ifdef ACPI_FUTURE_USAGE
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acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
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#endif
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const char *acpi_format_exception(acpi_status exception);
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acpi_status acpi_purge_cached_objects(void);
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acpi_status acpi_install_interface(acpi_string interface_name);
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acpi_status acpi_remove_interface(acpi_string interface_name);
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u32
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acpi_check_address_range(acpi_adr_space_type space_id,
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acpi_physical_address address,
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acpi_size length, u8 warn);
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/*
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* ACPI Memory management
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*/
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void *acpi_allocate(u32 size);
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void *acpi_callocate(u32 size);
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void acpi_free(void *address);
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/*
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* ACPI table load/unload interfaces
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*/
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acpi_status acpi_load_table(struct acpi_table_header *table);
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acpi_status acpi_unload_parent_table(acpi_handle object);
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acpi_status acpi_load_tables(void);
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/*
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* ACPI table manipulation interfaces
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*/
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acpi_status acpi_reallocate_root_table(void);
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acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
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acpi_status acpi_unload_table_id(acpi_owner_id id);
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acpi_status
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acpi_get_table_header(acpi_string signature,
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u32 instance,
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struct acpi_table_header *out_table_header);
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acpi_status
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acpi_get_table_with_size(acpi_string signature,
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u32 instance, struct acpi_table_header **out_table,
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acpi_size *tbl_size);
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acpi_status
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acpi_get_table(acpi_string signature,
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u32 instance, struct acpi_table_header **out_table);
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acpi_status
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acpi_get_table_by_index(u32 table_index,
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struct acpi_table_header **out_table);
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acpi_status
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acpi_install_table_handler(acpi_tbl_handler handler, void *context);
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acpi_status acpi_remove_table_handler(acpi_tbl_handler handler);
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/*
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* Namespace and name interfaces
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*/
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acpi_status
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acpi_walk_namespace(acpi_object_type type,
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acpi_handle start_object,
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u32 max_depth,
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acpi_walk_callback pre_order_visit,
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acpi_walk_callback post_order_visit,
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void *context, void **return_value);
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acpi_status
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acpi_get_devices(const char *HID,
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acpi_walk_callback user_function,
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void *context, void **return_value);
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acpi_status
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acpi_get_name(acpi_handle object,
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u32 name_type, struct acpi_buffer *ret_path_ptr);
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acpi_status
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acpi_get_handle(acpi_handle parent,
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acpi_string pathname, acpi_handle * ret_handle);
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acpi_status
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acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);
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acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);
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acpi_status
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acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);
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acpi_status
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acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
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/*
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* Object manipulation and enumeration
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*/
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acpi_status
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acpi_evaluate_object(acpi_handle object,
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acpi_string pathname,
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struct acpi_object_list *parameter_objects,
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struct acpi_buffer *return_object_buffer);
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acpi_status
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acpi_evaluate_object_typed(acpi_handle object,
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acpi_string pathname,
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struct acpi_object_list *external_params,
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struct acpi_buffer *return_buffer,
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acpi_object_type return_type);
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acpi_status
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acpi_get_object_info(acpi_handle object,
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struct acpi_device_info **return_buffer);
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acpi_status acpi_install_method(u8 *buffer);
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acpi_status
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acpi_get_next_object(acpi_object_type type,
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acpi_handle parent,
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acpi_handle child, acpi_handle * out_handle);
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acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
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acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
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acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
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/*
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* Handler interfaces
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*/
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acpi_status
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acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_install_global_event_handler
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(ACPI_GBL_EVENT_HANDLER handler, void *context))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_install_fixed_event_handler(u32
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acpi_event,
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acpi_event_handler
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handler,
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void
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*context))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_remove_fixed_event_handler(u32 acpi_event,
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acpi_event_handler
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handler))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_install_gpe_handler(acpi_handle
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gpe_device,
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u32 gpe_number,
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u32 type,
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acpi_gpe_handler
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address,
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void *context))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_remove_gpe_handler(acpi_handle gpe_device,
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u32 gpe_number,
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acpi_gpe_handler
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address))
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acpi_status
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acpi_install_notify_handler(acpi_handle device,
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u32 handler_type,
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acpi_notify_handler handler, void *context);
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acpi_status
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acpi_remove_notify_handler(acpi_handle device,
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u32 handler_type, acpi_notify_handler handler);
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acpi_status
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acpi_install_address_space_handler(acpi_handle device,
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acpi_adr_space_type space_id,
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acpi_adr_space_handler handler,
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acpi_adr_space_setup setup, void *context);
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acpi_status
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acpi_remove_address_space_handler(acpi_handle device,
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acpi_adr_space_type space_id,
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acpi_adr_space_handler handler);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
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#endif
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acpi_status acpi_install_interface_handler(acpi_interface_handler handler);
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/*
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* Global Lock interfaces
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*/
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_acquire_global_lock(u16 timeout,
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u32 *handle))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_release_global_lock(u32 handle))
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/*
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* Interfaces to AML mutex objects
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*/
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acpi_status
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acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);
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acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);
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/*
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* Fixed Event interfaces
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*/
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_enable_event(u32 event, u32 flags))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_disable_event(u32 event, u32 flags))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_get_event_status(u32 event,
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acpi_event_status
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*event_status))
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/*
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* General Purpose Event (GPE) Interfaces
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*/
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_enable_gpe(acpi_handle gpe_device,
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u32 gpe_number))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_disable_gpe(acpi_handle gpe_device,
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u32 gpe_number))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_clear_gpe(acpi_handle gpe_device,
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u32 gpe_number))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_set_gpe(acpi_handle gpe_device,
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u32 gpe_number, u8 action))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_finish_gpe(acpi_handle gpe_device,
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u32 gpe_number))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_setup_gpe_for_wake(acpi_handle
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parent_device,
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acpi_handle gpe_device,
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u32 gpe_number))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_set_gpe_wake_mask(acpi_handle gpe_device,
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u32 gpe_number,
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u8 action))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_get_gpe_status(acpi_handle gpe_device,
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u32 gpe_number,
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acpi_event_status
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*event_status))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_get_gpe_device(u32 gpe_index,
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acpi_handle * gpe_device))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_install_gpe_block(acpi_handle gpe_device,
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struct
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acpi_generic_address
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*gpe_block_address,
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u32 register_count,
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u32 interrupt_number))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_remove_gpe_block(acpi_handle gpe_device))
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/*
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* Resource interfaces
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*/
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typedef
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acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
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void *context);
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acpi_status
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acpi_get_vendor_resource(acpi_handle device,
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char *name,
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struct acpi_vendor_uuid *uuid,
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struct acpi_buffer *ret_buffer);
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acpi_status
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acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status
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acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
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#endif
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acpi_status
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acpi_get_event_resources(acpi_handle device_handle,
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struct acpi_buffer *ret_buffer);
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acpi_status
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acpi_walk_resources(acpi_handle device,
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char *name,
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acpi_walk_resource_callback user_function, void *context);
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acpi_status
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acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);
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acpi_status
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acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);
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acpi_status
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acpi_resource_to_address64(struct acpi_resource *resource,
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struct acpi_resource_address64 *out);
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acpi_status
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acpi_buffer_to_resource(u8 *aml_buffer,
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u16 aml_buffer_length,
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struct acpi_resource **resource_ptr);
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/*
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* Hardware (ACPI device) interfaces
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*/
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acpi_status acpi_reset(void);
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_read_bit_register(u32 register_id,
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u32 *return_value))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_write_bit_register(u32 register_id,
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u32 value))
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_set_firmware_waking_vector(u32
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physical_address))
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#if ACPI_MACHINE_WIDTH == 64
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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acpi_set_firmware_waking_vector64(u64
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physical_address))
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#endif
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acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
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acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
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/*
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* Sleep/Wake interfaces
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*/
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acpi_status
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acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
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|
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acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
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|
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acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
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|
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void))
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|
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acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
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|
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acpi_status acpi_leave_sleep_state(u8 sleep_state);
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|
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/*
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|
* ACPI Timer interfaces
|
|
*/
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|
#ifdef ACPI_FUTURE_USAGE
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
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|
acpi_get_timer_resolution(u32 *resolution))
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|
|
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ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
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|
|
|
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
|
|
acpi_get_timer_duration(u32 start_ticks,
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|
u32 end_ticks,
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|
u32 *time_elapsed))
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#endif /* ACPI_FUTURE_USAGE */
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|
|
|
/*
|
|
* Error/Warning output
|
|
*/
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void ACPI_INTERNAL_VAR_XFACE
|
|
acpi_error(const char *module_name,
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|
u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
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|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
acpi_exception(const char *module_name,
|
|
u32 line_number,
|
|
acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4);
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
acpi_warning(const char *module_name,
|
|
u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
acpi_info(const char *module_name,
|
|
u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
acpi_bios_error(const char *module_name,
|
|
u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
acpi_bios_warning(const char *module_name,
|
|
u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
|
|
|
|
/*
|
|
* Debug output
|
|
*/
|
|
#ifdef ACPI_DEBUG_OUTPUT
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
acpi_debug_print(u32 requested_debug_level,
|
|
u32 line_number,
|
|
const char *function_name,
|
|
const char *module_name,
|
|
u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6);
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
acpi_debug_print_raw(u32 requested_debug_level,
|
|
u32 line_number,
|
|
const char *function_name,
|
|
const char *module_name,
|
|
u32 component_id,
|
|
const char *format, ...) ACPI_PRINTF_LIKE(6);
|
|
#endif
|
|
|
|
#endif /* __ACXFACE_H__ */
|