Merge branches 'pm-cpufreq', 'pm-cpuidle', 'pm-devfreq', 'pm-opp' and 'pm-tools'
[linux-drm-fsl-dcu.git] / drivers / acpi / acpica / acparser.h
1 /******************************************************************************
2  *
3  * Module Name: acparser.h - AML Parser subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2015, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43
44 #ifndef __ACPARSER_H__
45 #define __ACPARSER_H__
46
47 #define OP_HAS_RETURN_VALUE             1
48
49 /* Variable number of arguments. This field must be 32 bits */
50
51 #define ACPI_VAR_ARGS                   ACPI_UINT32_MAX
52
53 #define ACPI_PARSE_DELETE_TREE          0x0001
54 #define ACPI_PARSE_NO_TREE_DELETE       0x0000
55 #define ACPI_PARSE_TREE_MASK            0x0001
56
57 #define ACPI_PARSE_LOAD_PASS1           0x0010
58 #define ACPI_PARSE_LOAD_PASS2           0x0020
59 #define ACPI_PARSE_EXECUTE              0x0030
60 #define ACPI_PARSE_MODE_MASK            0x0030
61
62 #define ACPI_PARSE_DEFERRED_OP          0x0100
63 #define ACPI_PARSE_DISASSEMBLE          0x0200
64
65 #define ACPI_PARSE_MODULE_LEVEL         0x0400
66
67 /******************************************************************************
68  *
69  * Parser interfaces
70  *
71  *****************************************************************************/
72
73 /*
74  * psxface - Parser external interfaces
75  */
76 acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info);
77
78 /*
79  * psargs - Parse AML opcode arguments
80  */
81 u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state);
82
83 char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state);
84
85 void
86 acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
87                             u32 arg_type, union acpi_parse_object *arg);
88
89 acpi_status
90 acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
91                           struct acpi_parse_state *parser_state,
92                           union acpi_parse_object *arg, u8 method_call);
93
94 acpi_status
95 acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
96                      struct acpi_parse_state *parser_state,
97                      u32 arg_type, union acpi_parse_object **return_arg);
98
99 /*
100  * psfind
101  */
102 union acpi_parse_object *acpi_ps_find_name(union acpi_parse_object *scope,
103                                            u32 name, u32 opcode);
104
105 union acpi_parse_object *acpi_ps_get_parent(union acpi_parse_object *op);
106
107 /*
108  * psobject - support for parse object processing
109  */
110 acpi_status
111 acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
112                        u8 *aml_op_start,
113                        union acpi_parse_object *unnamed_op,
114                        union acpi_parse_object **op);
115
116 acpi_status
117 acpi_ps_create_op(struct acpi_walk_state *walk_state,
118                   u8 *aml_op_start, union acpi_parse_object **new_op);
119
120 acpi_status
121 acpi_ps_complete_op(struct acpi_walk_state *walk_state,
122                     union acpi_parse_object **op, acpi_status status);
123
124 acpi_status
125 acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
126                           union acpi_parse_object *op, acpi_status status);
127
128 /*
129  * psopinfo - AML Opcode information
130  */
131 const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode);
132
133 char *acpi_ps_get_opcode_name(u16 opcode);
134
135 u8 acpi_ps_get_argument_count(u32 op_type);
136
137 /*
138  * psparse - top level parsing routines
139  */
140 acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state);
141
142 u32 acpi_ps_get_opcode_size(u32 opcode);
143
144 u16 acpi_ps_peek_opcode(struct acpi_parse_state *state);
145
146 acpi_status
147 acpi_ps_complete_this_op(struct acpi_walk_state *walk_state,
148                          union acpi_parse_object *op);
149
150 acpi_status
151 acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
152                          union acpi_parse_object *op,
153                          acpi_status callback_status);
154
155 /*
156  * psloop - main parse loop
157  */
158 acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state);
159
160 /*
161  * psscope - Scope stack management routines
162  */
163 acpi_status
164 acpi_ps_init_scope(struct acpi_parse_state *parser_state,
165                    union acpi_parse_object *root);
166
167 union acpi_parse_object *acpi_ps_get_parent_scope(struct acpi_parse_state
168                                                   *state);
169
170 u8 acpi_ps_has_completed_scope(struct acpi_parse_state *parser_state);
171
172 void
173 acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
174                   union acpi_parse_object **op, u32 *arg_list, u32 *arg_count);
175
176 acpi_status
177 acpi_ps_push_scope(struct acpi_parse_state *parser_state,
178                    union acpi_parse_object *op,
179                    u32 remaining_args, u32 arg_count);
180
181 void acpi_ps_cleanup_scope(struct acpi_parse_state *state);
182
183 /*
184  * pstree - parse tree manipulation routines
185  */
186 void
187 acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg);
188
189 union acpi_parse_object *acpi_ps_find(union acpi_parse_object *scope,
190                                       char *path, u16 opcode, u32 create);
191
192 union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn);
193
194 #ifdef  ACPI_FUTURE_USAGE
195 union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin,
196                                                 union acpi_parse_object *op);
197 #endif                          /* ACPI_FUTURE_USAGE */
198
199 /*
200  * pswalk - parse tree walk routines
201  */
202 acpi_status
203 acpi_ps_walk_parsed_aml(union acpi_parse_object *start_op,
204                         union acpi_parse_object *end_op,
205                         union acpi_operand_object *mth_desc,
206                         struct acpi_namespace_node *start_node,
207                         union acpi_operand_object **params,
208                         union acpi_operand_object **caller_return_desc,
209                         acpi_owner_id owner_id,
210                         acpi_parse_downwards descending_callback,
211                         acpi_parse_upwards ascending_callback);
212
213 acpi_status
214 acpi_ps_get_next_walk_op(struct acpi_walk_state *walk_state,
215                          union acpi_parse_object *op,
216                          acpi_parse_upwards ascending_callback);
217
218 acpi_status acpi_ps_delete_completed_op(struct acpi_walk_state *walk_state);
219
220 void acpi_ps_delete_parse_tree(union acpi_parse_object *root);
221
222 /*
223  * psutils - parser utilities
224  */
225 union acpi_parse_object *acpi_ps_create_scope_op(void);
226
227 void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode);
228
229 union acpi_parse_object *acpi_ps_alloc_op(u16 opcode);
230
231 void acpi_ps_free_op(union acpi_parse_object *op);
232
233 u8 acpi_ps_is_leading_char(u32 c);
234
235 #ifdef  ACPI_FUTURE_USAGE
236 u32 acpi_ps_get_name(union acpi_parse_object *op);
237 #endif                          /* ACPI_FUTURE_USAGE */
238
239 void acpi_ps_set_name(union acpi_parse_object *op, u32 name);
240
241 /*
242  * psdump - display parser tree
243  */
244 u32
245 acpi_ps_sprint_path(char *buffer_start,
246                     u32 buffer_size, union acpi_parse_object *op);
247
248 u32
249 acpi_ps_sprint_op(char *buffer_start,
250                   u32 buffer_size, union acpi_parse_object *op);
251
252 void acpi_ps_show(union acpi_parse_object *op);
253
254 #endif                          /* __ACPARSER_H__ */