v4.19.13 snapshot.
diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h
new file mode 100644
index 0000000..ab48196
--- /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 - 2018, 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__ */