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/******************************************************************************

 *

 * Module Name: acparser.h - AML Parser subcomponent prototypes and defines

 *

 *****************************************************************************/

/*

 * Copyright (C) 2000 - 2007, 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 __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

/******************************************************************************

 *

 * Parser interfaces

 *

 *****************************************************************************/

/*

 * psxface - Parser external interfaces

 */

acpi_status acpi_ps_execute_method(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 method_call);

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);

/*

 * psopcode - AML Opcode information

 */

const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode);

char *acpi_ps_get_opcode_name(u16 opcode);

/*

 * 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);

#ifdef  ACPI_FUTURE_USAGE

union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin,

                                                union acpi_parse_object *op);

#endif                          /* ACPI_FUTURE_USAGE */

/*

 * 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(void);

void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode);

union acpi_parse_object *acpi_ps_alloc_op(u16 opcode);

void acpi_ps_free_op(union acpi_parse_object *op);

u8 acpi_ps_is_leading_char(u32 c);

u8 acpi_ps_is_prefix_char(u32 c);

#ifdef  ACPI_FUTURE_USAGE

u32 acpi_ps_get_name(union acpi_parse_object *op);

#endif                          /* ACPI_FUTURE_USAGE */

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__ */