mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-21 08:53:41 +00:00
402 lines
15 KiB
C
402 lines
15 KiB
C
|
|
/******************************************************************************
|
|
*
|
|
* Name: acobject.h - Definition of union acpi_operand_object (Internal object only)
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2005, R. Byron Moore
|
|
* 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 _ACOBJECT_H
|
|
#define _ACOBJECT_H
|
|
|
|
/*
|
|
* The union acpi_operand_object is used to pass AML operands from the dispatcher
|
|
* to the interpreter, and to keep track of the various handlers such as
|
|
* address space handlers and notify handlers. The object is a constant
|
|
* size in order to allow it to be cached and reused.
|
|
*/
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Common Descriptors
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Common area for all objects.
|
|
*
|
|
* data_type is used to differentiate between internal descriptors, and MUST
|
|
* be the first byte in this structure.
|
|
*/
|
|
#define ACPI_OBJECT_COMMON_HEADER /* SIZE/ALIGNMENT: 32 bits, one ptr plus trailing 8-bit flag */\
|
|
u8 descriptor; /* To differentiate various internal objs */\
|
|
u8 type; /* acpi_object_type */\
|
|
u16 reference_count; /* For object deletion management */\
|
|
union acpi_operand_object *next_object; /* Objects linked to parent NS node */\
|
|
u8 flags; \
|
|
|
|
/* Values for flag byte above */
|
|
|
|
#define AOPOBJ_AML_CONSTANT 0x01
|
|
#define AOPOBJ_STATIC_POINTER 0x02
|
|
#define AOPOBJ_DATA_VALID 0x04
|
|
#define AOPOBJ_OBJECT_INITIALIZED 0x08
|
|
#define AOPOBJ_SETUP_COMPLETE 0x10
|
|
#define AOPOBJ_SINGLE_DATUM 0x20
|
|
|
|
/*
|
|
* Common bitfield for the field objects
|
|
* "Field Datum" -- a datum from the actual field object
|
|
* "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field
|
|
*/
|
|
#define ACPI_COMMON_FIELD_INFO /* SIZE/ALIGNMENT: 24 bits + three 32-bit values */\
|
|
u8 field_flags; /* Access, update, and lock bits */\
|
|
u8 attribute; /* From access_as keyword */\
|
|
u8 access_byte_width; /* Read/Write size in bytes */\
|
|
u32 bit_length; /* Length of field in bits */\
|
|
u32 base_byte_offset; /* Byte offset within containing object */\
|
|
u8 start_field_bit_offset;/* Bit offset within first field datum (0-63) */\
|
|
u8 access_bit_width; /* Read/Write size in bits (8-64) */\
|
|
u32 value; /* Value to store into the Bank or Index register */\
|
|
struct acpi_namespace_node *node; /* Link back to parent node */
|
|
|
|
/*
|
|
* Fields common to both Strings and Buffers
|
|
*/
|
|
#define ACPI_COMMON_BUFFER_INFO \
|
|
u32 length;
|
|
|
|
/*
|
|
* Common fields for objects that support ASL notifications
|
|
*/
|
|
#define ACPI_COMMON_NOTIFY_INFO \
|
|
union acpi_operand_object *system_notify; /* Handler for system notifies */\
|
|
union acpi_operand_object *device_notify; /* Handler for driver notifies */\
|
|
union acpi_operand_object *handler; /* Handler for Address space */
|
|
|
|
/******************************************************************************
|
|
*
|
|
* Basic data types
|
|
*
|
|
*****************************************************************************/
|
|
|
|
struct acpi_object_common {
|
|
ACPI_OBJECT_COMMON_HEADER};
|
|
|
|
struct acpi_object_integer {
|
|
ACPI_OBJECT_COMMON_HEADER acpi_integer value;
|
|
};
|
|
|
|
/*
|
|
* Note: The String and Buffer object must be identical through the Pointer
|
|
* element. There is code that depends on this.
|
|
*/
|
|
struct acpi_object_string { /* Null terminated, ASCII characters only */
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO char *pointer; /* String in AML stream or allocated string */
|
|
};
|
|
|
|
struct acpi_object_buffer {
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO u8 * pointer; /* Buffer in AML stream or allocated buffer */
|
|
struct acpi_namespace_node *node; /* Link back to parent node */
|
|
u8 *aml_start;
|
|
u32 aml_length;
|
|
};
|
|
|
|
struct acpi_object_package {
|
|
ACPI_OBJECT_COMMON_HEADER u32 count; /* # of elements in package */
|
|
u32 aml_length;
|
|
u8 *aml_start;
|
|
struct acpi_namespace_node *node; /* Link back to parent node */
|
|
union acpi_operand_object **elements; /* Array of pointers to acpi_objects */
|
|
};
|
|
|
|
/******************************************************************************
|
|
*
|
|
* Complex data types
|
|
*
|
|
*****************************************************************************/
|
|
|
|
struct acpi_object_event {
|
|
ACPI_OBJECT_COMMON_HEADER void *semaphore;
|
|
};
|
|
|
|
#define ACPI_INFINITE_CONCURRENCY 0xFF
|
|
|
|
typedef
|
|
acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
|
|
|
|
struct acpi_object_method {
|
|
ACPI_OBJECT_COMMON_HEADER u8 method_flags;
|
|
u8 param_count;
|
|
u32 aml_length;
|
|
void *semaphore;
|
|
u8 *aml_start;
|
|
ACPI_INTERNAL_METHOD implementation;
|
|
u8 concurrency;
|
|
u8 thread_count;
|
|
acpi_owner_id owner_id;
|
|
};
|
|
|
|
struct acpi_object_mutex {
|
|
ACPI_OBJECT_COMMON_HEADER u8 sync_level; /* 0-15, specified in Mutex() call */
|
|
u16 acquisition_depth; /* Allow multiple Acquires, same thread */
|
|
struct acpi_thread_state *owner_thread; /* Current owner of the mutex */
|
|
void *semaphore; /* Actual OS synchronization object */
|
|
union acpi_operand_object *prev; /* Link for list of acquired mutexes */
|
|
union acpi_operand_object *next; /* Link for list of acquired mutexes */
|
|
struct acpi_namespace_node *node; /* Containing namespace node */
|
|
u8 original_sync_level; /* Owner's original sync level (0-15) */
|
|
};
|
|
|
|
struct acpi_object_region {
|
|
ACPI_OBJECT_COMMON_HEADER u8 space_id;
|
|
union acpi_operand_object *handler; /* Handler for region access */
|
|
struct acpi_namespace_node *node; /* Containing namespace node */
|
|
union acpi_operand_object *next;
|
|
u32 length;
|
|
acpi_physical_address address;
|
|
};
|
|
|
|
/******************************************************************************
|
|
*
|
|
* Objects that can be notified. All share a common notify_info area.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
struct acpi_object_notify_common { /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
|
|
|
|
struct acpi_object_device {
|
|
ACPI_OBJECT_COMMON_HEADER
|
|
ACPI_COMMON_NOTIFY_INFO struct acpi_gpe_block_info *gpe_block;
|
|
};
|
|
|
|
struct acpi_object_power_resource {
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO u32 system_level;
|
|
u32 resource_order;
|
|
};
|
|
|
|
struct acpi_object_processor {
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO u32 proc_id;
|
|
u32 length;
|
|
acpi_io_address address;
|
|
};
|
|
|
|
struct acpi_object_thermal_zone {
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
|
|
|
|
/******************************************************************************
|
|
*
|
|
* Fields. All share a common header/info field.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
struct acpi_object_field_common { /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Containing Operation Region object */
|
|
/* (REGION/BANK fields only) */
|
|
};
|
|
|
|
struct acpi_object_region_field {
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Containing op_region object */
|
|
};
|
|
|
|
struct acpi_object_bank_field {
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Containing op_region object */
|
|
union acpi_operand_object *bank_obj; /* bank_select Register object */
|
|
};
|
|
|
|
struct acpi_object_index_field {
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO
|
|
/*
|
|
* No "region_obj" pointer needed since the Index and Data registers
|
|
* are each field definitions unto themselves.
|
|
*/
|
|
union acpi_operand_object *index_obj; /* Index register */
|
|
union acpi_operand_object *data_obj; /* Data register */
|
|
};
|
|
|
|
/* The buffer_field is different in that it is part of a Buffer, not an op_region */
|
|
|
|
struct acpi_object_buffer_field {
|
|
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *buffer_obj; /* Containing Buffer object */
|
|
};
|
|
|
|
/******************************************************************************
|
|
*
|
|
* Objects for handlers
|
|
*
|
|
*****************************************************************************/
|
|
|
|
struct acpi_object_notify_handler {
|
|
ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *node; /* Parent device */
|
|
acpi_notify_handler handler;
|
|
void *context;
|
|
};
|
|
|
|
/* Flags for address handler */
|
|
|
|
#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x1
|
|
|
|
struct acpi_object_addr_handler {
|
|
ACPI_OBJECT_COMMON_HEADER u8 space_id;
|
|
u16 hflags;
|
|
acpi_adr_space_handler handler;
|
|
struct acpi_namespace_node *node; /* Parent device */
|
|
void *context;
|
|
acpi_adr_space_setup setup;
|
|
union acpi_operand_object *region_list; /* regions using this handler */
|
|
union acpi_operand_object *next;
|
|
};
|
|
|
|
/******************************************************************************
|
|
*
|
|
* Special internal objects
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* The Reference object type is used for these opcodes:
|
|
* Arg[0-6], Local[0-7], index_op, name_op, zero_op, one_op, ones_op, debug_op
|
|
*/
|
|
struct acpi_object_reference {
|
|
ACPI_OBJECT_COMMON_HEADER u8 target_type; /* Used for index_op */
|
|
u16 opcode;
|
|
u32 offset; /* Used for arg_op, local_op, and index_op */
|
|
void *object; /* name_op=>HANDLE to obj, index_op=>union acpi_operand_object */
|
|
struct acpi_namespace_node *node;
|
|
union acpi_operand_object **where;
|
|
};
|
|
|
|
/*
|
|
* Extra object is used as additional storage for types that
|
|
* have AML code in their declarations (term_args) that must be
|
|
* evaluated at run time.
|
|
*
|
|
* Currently: Region and field_unit types
|
|
*/
|
|
struct acpi_object_extra {
|
|
ACPI_OBJECT_COMMON_HEADER u8 byte_fill1;
|
|
u16 word_fill1;
|
|
u32 aml_length;
|
|
u8 *aml_start;
|
|
struct acpi_namespace_node *method_REG; /* _REG method for this region (if any) */
|
|
void *region_context; /* Region-specific data */
|
|
};
|
|
|
|
/* Additional data that can be attached to namespace nodes */
|
|
|
|
struct acpi_object_data {
|
|
ACPI_OBJECT_COMMON_HEADER acpi_object_handler handler;
|
|
void *pointer;
|
|
};
|
|
|
|
/* Structure used when objects are cached for reuse */
|
|
|
|
struct acpi_object_cache_list {
|
|
ACPI_OBJECT_COMMON_HEADER union acpi_operand_object *next; /* Link for object cache and internal lists */
|
|
};
|
|
|
|
/******************************************************************************
|
|
*
|
|
* union acpi_operand_object Descriptor - a giant union of all of the above
|
|
*
|
|
*****************************************************************************/
|
|
|
|
union acpi_operand_object {
|
|
struct acpi_object_common common;
|
|
struct acpi_object_integer integer;
|
|
struct acpi_object_string string;
|
|
struct acpi_object_buffer buffer;
|
|
struct acpi_object_package package;
|
|
struct acpi_object_event event;
|
|
struct acpi_object_method method;
|
|
struct acpi_object_mutex mutex;
|
|
struct acpi_object_region region;
|
|
struct acpi_object_notify_common common_notify;
|
|
struct acpi_object_device device;
|
|
struct acpi_object_power_resource power_resource;
|
|
struct acpi_object_processor processor;
|
|
struct acpi_object_thermal_zone thermal_zone;
|
|
struct acpi_object_field_common common_field;
|
|
struct acpi_object_region_field field;
|
|
struct acpi_object_buffer_field buffer_field;
|
|
struct acpi_object_bank_field bank_field;
|
|
struct acpi_object_index_field index_field;
|
|
struct acpi_object_notify_handler notify;
|
|
struct acpi_object_addr_handler address_space;
|
|
struct acpi_object_reference reference;
|
|
struct acpi_object_extra extra;
|
|
struct acpi_object_data data;
|
|
struct acpi_object_cache_list cache;
|
|
};
|
|
|
|
/******************************************************************************
|
|
*
|
|
* union acpi_descriptor - objects that share a common descriptor identifier
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/* Object descriptor types */
|
|
|
|
#define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */
|
|
#define ACPI_DESC_TYPE_STATE 0x02
|
|
#define ACPI_DESC_TYPE_STATE_UPDATE 0x03
|
|
#define ACPI_DESC_TYPE_STATE_PACKAGE 0x04
|
|
#define ACPI_DESC_TYPE_STATE_CONTROL 0x05
|
|
#define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06
|
|
#define ACPI_DESC_TYPE_STATE_PSCOPE 0x07
|
|
#define ACPI_DESC_TYPE_STATE_WSCOPE 0x08
|
|
#define ACPI_DESC_TYPE_STATE_RESULT 0x09
|
|
#define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A
|
|
#define ACPI_DESC_TYPE_STATE_THREAD 0x0B
|
|
#define ACPI_DESC_TYPE_WALK 0x0C
|
|
#define ACPI_DESC_TYPE_PARSER 0x0D
|
|
#define ACPI_DESC_TYPE_OPERAND 0x0E
|
|
#define ACPI_DESC_TYPE_NAMED 0x0F
|
|
#define ACPI_DESC_TYPE_MAX 0x0F
|
|
|
|
union acpi_descriptor {
|
|
u8 descriptor_id; /* To differentiate various internal objs */
|
|
union acpi_operand_object object;
|
|
struct acpi_namespace_node node;
|
|
union acpi_parse_object op;
|
|
};
|
|
|
|
#endif /* _ACOBJECT_H */
|