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Diffstat (limited to 'drivers/acpi/acpica/acparser.h')
| -rw-r--r-- | drivers/acpi/acpica/acparser.h | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h new file mode 100644 index 000000000..4511c2bd8 --- /dev/null +++ b/drivers/acpi/acpica/acparser.h @@ -0,0 +1,227 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ +/****************************************************************************** + * + * Module Name: acparser.h - AML Parser subcomponent prototypes and defines + * + * Copyright (C) 2000 - 2022, Intel Corp. + * + *****************************************************************************/ + +#ifndef __ACPARSER_H__ +#define __ACPARSER_H__ + +#define OP_HAS_RETURN_VALUE 1 + +/* Variable number of arguments. This field must be 32 bits */ + +#define ACPI_VAR_ARGS ACPI_UINT32_MAX + +#define ACPI_PARSE_DELETE_TREE 0x0001 +#define ACPI_PARSE_NO_TREE_DELETE 0x0000 +#define ACPI_PARSE_TREE_MASK 0x0001 + +#define ACPI_PARSE_LOAD_PASS1 0x0010 +#define ACPI_PARSE_LOAD_PASS2 0x0020 +#define ACPI_PARSE_EXECUTE 0x0030 +#define ACPI_PARSE_MODE_MASK 0x0030 + +#define ACPI_PARSE_DEFERRED_OP 0x0100 +#define ACPI_PARSE_DISASSEMBLE 0x0200 + +#define ACPI_PARSE_MODULE_LEVEL 0x0400 + +/****************************************************************************** + * + * Parser interfaces + * + *****************************************************************************/ + +extern const u8 acpi_gbl_short_op_index[]; +extern const u8 acpi_gbl_long_op_index[]; + +/* + * psxface - Parser external interfaces + */ +acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info); + +acpi_status acpi_ps_execute_table(struct acpi_evaluate_info *info); + +/* + * psargs - Parse AML opcode arguments + */ +u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state); + +char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state); + +void +acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state, + u32 arg_type, union acpi_parse_object *arg); + +acpi_status +acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, + struct acpi_parse_state *parser_state, + union acpi_parse_object *arg, + u8 possible_method_call); + +/* Values for u8 above */ + +#define ACPI_NOT_METHOD_CALL FALSE +#define ACPI_POSSIBLE_METHOD_CALL TRUE + +acpi_status +acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, + struct acpi_parse_state *parser_state, + u32 arg_type, union acpi_parse_object **return_arg); + +/* + * psfind + */ +union acpi_parse_object *acpi_ps_find_name(union acpi_parse_object *scope, + u32 name, u32 opcode); + +union acpi_parse_object *acpi_ps_get_parent(union acpi_parse_object *op); + +/* + * psobject - support for parse object processing + */ +acpi_status +acpi_ps_build_named_op(struct acpi_walk_state *walk_state, + u8 *aml_op_start, + union acpi_parse_object *unnamed_op, + union acpi_parse_object **op); + +acpi_status +acpi_ps_create_op(struct acpi_walk_state *walk_state, + u8 *aml_op_start, union acpi_parse_object **new_op); + +acpi_status +acpi_ps_complete_op(struct acpi_walk_state *walk_state, + union acpi_parse_object **op, acpi_status status); + +acpi_status +acpi_ps_complete_final_op(struct acpi_walk_state *walk_state, + union acpi_parse_object *op, acpi_status status); + +/* + * psopinfo - AML Opcode information + */ +const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode); + +const char *acpi_ps_get_opcode_name(u16 opcode); + +u8 acpi_ps_get_argument_count(u32 op_type); + +/* + * psparse - top level parsing routines + */ +acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state); + +u32 acpi_ps_get_opcode_size(u32 opcode); + +u16 acpi_ps_peek_opcode(struct acpi_parse_state *state); + +acpi_status +acpi_ps_complete_this_op(struct acpi_walk_state *walk_state, + union acpi_parse_object *op); + +acpi_status +acpi_ps_next_parse_state(struct acpi_walk_state *walk_state, + union acpi_parse_object *op, + acpi_status callback_status); + +/* + * psloop - main parse loop + */ +acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state); + +/* + * psscope - Scope stack management routines + */ +acpi_status +acpi_ps_init_scope(struct acpi_parse_state *parser_state, + union acpi_parse_object *root); + +union acpi_parse_object *acpi_ps_get_parent_scope(struct acpi_parse_state + *state); + +u8 acpi_ps_has_completed_scope(struct acpi_parse_state *parser_state); + +void +acpi_ps_pop_scope(struct acpi_parse_state *parser_state, + union acpi_parse_object **op, u32 *arg_list, u32 *arg_count); + +acpi_status +acpi_ps_push_scope(struct acpi_parse_state *parser_state, + union acpi_parse_object *op, + u32 remaining_args, u32 arg_count); + +void acpi_ps_cleanup_scope(struct acpi_parse_state *state); + +/* + * pstree - parse tree manipulation routines + */ +void +acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg); + +union acpi_parse_object *acpi_ps_find(union acpi_parse_object *scope, + char *path, u16 opcode, u32 create); + +union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn); + +union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin, + union acpi_parse_object *op); + +/* + * pswalk - parse tree walk routines + */ +acpi_status +acpi_ps_walk_parsed_aml(union acpi_parse_object *start_op, + union acpi_parse_object *end_op, + union acpi_operand_object *mth_desc, + struct acpi_namespace_node *start_node, + union acpi_operand_object **params, + union acpi_operand_object **caller_return_desc, + acpi_owner_id owner_id, + acpi_parse_downwards descending_callback, + acpi_parse_upwards ascending_callback); + +acpi_status +acpi_ps_get_next_walk_op(struct acpi_walk_state *walk_state, + union acpi_parse_object *op, + acpi_parse_upwards ascending_callback); + +acpi_status acpi_ps_delete_completed_op(struct acpi_walk_state *walk_state); + +void acpi_ps_delete_parse_tree(union acpi_parse_object *root); + +/* + * psutils - parser utilities + */ +union acpi_parse_object *acpi_ps_create_scope_op(u8 *aml); + +void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode); + +union acpi_parse_object *acpi_ps_alloc_op(u16 opcode, u8 *aml); + +void acpi_ps_free_op(union acpi_parse_object *op); + +u8 acpi_ps_is_leading_char(u32 c); + +u32 acpi_ps_get_name(union acpi_parse_object *op); + +void acpi_ps_set_name(union acpi_parse_object *op, u32 name); + +/* + * psdump - display parser tree + */ +u32 +acpi_ps_sprint_path(char *buffer_start, + u32 buffer_size, union acpi_parse_object *op); + +u32 +acpi_ps_sprint_op(char *buffer_start, + u32 buffer_size, union acpi_parse_object *op); + +void acpi_ps_show(union acpi_parse_object *op); + +#endif /* __ACPARSER_H__ */ |