Orange Pi5 kernel

/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
 *
 * Name: acstruct.h - Internal structs
 *
 * Copyright (C) 2000 - 2020, Intel Corp.
 *
 *****************************************************************************/
 
#ifndef __ACSTRUCT_H__
#define __ACSTRUCT_H__
 
/* acpisrc:struct_defs -- for acpisrc conversion */
 
/*****************************************************************************
 *
 * Tree walking typedefs and structs
 *
 ****************************************************************************/
 
/*
 * Walk state - current state of a parse tree walk. Used for both a leisurely
 * stroll through the tree (for whatever reason), and for control method
 * execution.
 */
#define ACPI_NEXT_OP_DOWNWARD       1
#define ACPI_NEXT_OP_UPWARD         2
 
/*
 * Groups of definitions for walk_type used for different implementations of
 * walkers (never simultaneously) - flags for interpreter:
 */
#define ACPI_WALK_NON_METHOD        0
#define ACPI_WALK_METHOD            0x01
#define ACPI_WALK_METHOD_RESTART    0x02
 
struct acpi_walk_state {
<------>struct acpi_walk_state *next;	/* Next walk_state in list */
<------>u8 descriptor_type;	/* To differentiate various internal objs */
<------>u8 walk_type;
<------>u16 opcode;		/* Current AML opcode */
<------>u8 next_op_info;	/* Info about next_op */
<------>u8 num_operands;	/* Stack pointer for Operands[] array */
<------>u8 operand_index;	/* Index into operand stack, to be used by acpi_ds_obj_stack_push */
<------>acpi_owner_id owner_id;	/* Owner of objects created during the walk */
<------>u8 last_predicate;	/* Result of last predicate */
<------>u8 current_result;
<------>u8 return_used;
<------>u8 scope_depth;
<------>u8 pass_number;		/* Parse pass during table load */
<------>u8 namespace_override;	/* Override existing objects */
<------>u8 result_size;		/* Total elements for the result stack */
<------>u8 result_count;	/* Current number of occupied elements of result stack */
<------>u8 *aml;
<------>u32 arg_types;
<------>u32 method_breakpoint;	/* For single stepping */
<------>u32 user_breakpoint;	/* User AML breakpoint */
<------>u32 parse_flags;
 
<------>struct acpi_parse_state parser_state;	/* Current state of parser */
<------>u32 prev_arg_types;
<------>u32 arg_count;		/* push for fixed or var args */
<------>u16 method_nesting_depth;
<------>u8 method_is_nested;
 
<------>struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS];	/* Control method arguments */
<------>struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS];	/* Control method locals */
<------>union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS + 1];	/* Operands passed to the interpreter (+1 for NULL terminator) */
<------>union acpi_operand_object **params;
 
<------>u8 *aml_last_while;
<------>union acpi_operand_object **caller_return_desc;
<------>union acpi_generic_state *control_state;	/* List of control states (nested IFs) */
<------>struct acpi_namespace_node *deferred_node;	/* Used when executing deferred opcodes */
<------>union acpi_operand_object *implicit_return_obj;
<------>struct acpi_namespace_node *method_call_node;	/* Called method Node */
<------>union acpi_parse_object *method_call_op;	/* method_call Op if running a method */
<------>union acpi_operand_object *method_desc;	/* Method descriptor if running a method */
<------>struct acpi_namespace_node *method_node;	/* Method node if running a method */
<------>char *method_pathname;	/* Full pathname of running method */
<------>union acpi_parse_object *op;	/* Current parser op */
<------>const struct acpi_opcode_info *op_info;	/* Info on current opcode */
<------>union acpi_parse_object *origin;	/* Start of walk [Obsolete] */
<------>union acpi_operand_object *result_obj;
<------>union acpi_generic_state *results;	/* Stack of accumulated results */
<------>union acpi_operand_object *return_desc;	/* Return object, if any */
<------>union acpi_generic_state *scope_info;	/* Stack of nested scopes */
<------>union acpi_parse_object *prev_op;	/* Last op that was processed */
<------>union acpi_parse_object *next_op;	/* next op to be processed */
<------>struct acpi_thread_state *thread;
<------>acpi_parse_downwards descending_callback;
<------>acpi_parse_upwards ascending_callback;
};
 
/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */
 
struct acpi_init_walk_info {
<------>u32 table_index;
<------>u32 object_count;
<------>u32 method_count;
<------>u32 serial_method_count;
<------>u32 non_serial_method_count;
<------>u32 serialized_method_count;
<------>u32 device_count;
<------>u32 op_region_count;
<------>u32 field_count;
<------>u32 buffer_count;
<------>u32 package_count;
<------>u32 op_region_init;
<------>u32 field_init;
<------>u32 buffer_init;
<------>u32 package_init;
<------>acpi_owner_id owner_id;
};
 
struct acpi_get_devices_info {
<------>acpi_walk_callback user_function;
<------>void *context;
<------>const char *hid;
};
 
union acpi_aml_operands {
<------>union acpi_operand_object *operands[7];
 
<------>struct {
<------><------>struct acpi_object_integer *type;
<------><------>struct acpi_object_integer *code;
<------><------>struct acpi_object_integer *argument;
 
<------>} fatal;
 
<------>struct {
<------><------>union acpi_operand_object *source;
<------><------>struct acpi_object_integer *index;
<------><------>union acpi_operand_object *target;
 
<------>} index;
 
<------>struct {
<------><------>union acpi_operand_object *source;
<------><------>struct acpi_object_integer *index;
<------><------>struct acpi_object_integer *length;
<------><------>union acpi_operand_object *target;
 
<------>} mid;
};
 
/*
 * Structure used to pass object evaluation information and parameters.
 * Purpose is to reduce CPU stack use.
 */
struct acpi_evaluate_info {
<------>/* The first 3 elements are passed by the caller to acpi_ns_evaluate */
 
<------>struct acpi_namespace_node *prefix_node;	/* Input: starting node */
<------>const char *relative_pathname;	/* Input: path relative to prefix_node */
<------>union acpi_operand_object **parameters;	/* Input: argument list */
 
<------>struct acpi_namespace_node *node;	/* Resolved node (prefix_node:relative_pathname) */
<------>union acpi_operand_object *obj_desc;	/* Object attached to the resolved node */
<------>char *full_pathname;	/* Full pathname of the resolved node */
 
<------>const union acpi_predefined_info *predefined;	/* Used if Node is a predefined name */
<------>union acpi_operand_object *return_object;	/* Object returned from the evaluation */
<------>union acpi_operand_object *parent_package;	/* Used if return object is a Package */
 
<------>u32 return_flags;	/* Used for return value analysis */
<------>u32 return_btype;	/* Bitmapped type of the returned object */
<------>u16 param_count;	/* Count of the input argument list */
<------>u16 node_flags;		/* Same as Node->Flags */
<------>u8 pass_number;		/* Parser pass number */
<------>u8 return_object_type;	/* Object type of the returned object */
<------>u8 flags;		/* General flags */
};
 
/* Values for Flags above */
 
#define ACPI_IGNORE_RETURN_VALUE    1
 
/* Defines for return_flags field above */
 
#define ACPI_OBJECT_REPAIRED        1
#define ACPI_OBJECT_WRAPPED         2
 
/* Info used by acpi_ns_initialize_devices */
 
struct acpi_device_walk_info {
<------>struct acpi_table_desc *table_desc;
<------>struct acpi_evaluate_info *evaluate_info;
<------>u32 device_count;
<------>u32 num_STA;
<------>u32 num_INI;
};
 
/* Info used by Acpi  acpi_db_display_fields */
 
struct acpi_region_walk_info {
<------>u32 debug_level;
<------>u32 count;
<------>acpi_owner_id owner_id;
<------>u8 display_type;
<------>u32 address_space_id;
};
 
/* TBD: [Restructure] Merge with struct above */
 
struct acpi_walk_info {
<------>u32 debug_level;
<------>u32 count;
<------>acpi_owner_id owner_id;
<------>u8 display_type;
};
 
/* Display Types */
 
#define ACPI_DISPLAY_SUMMARY        (u8) 0
#define ACPI_DISPLAY_OBJECTS        (u8) 1
#define ACPI_DISPLAY_MASK           (u8) 1
 
#define ACPI_DISPLAY_SHORT          (u8) 2
 
#endif