release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/acpi/acpica/acdispat.h

   1 /******************************************************************************
   2  *
   3  * Name: acdispat.h - dispatcher (parser to interpreter interface)
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2010, 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 _ACDISPAT_H_
  45 #define _ACDISPAT_H_
  46
  47 #define NAMEOF_LOCAL_NTE    "__L0"
  48 #define NAMEOF_ARG_NTE      "__A0"
  49
  50 /*
  51  * dsopcode - support for late evaluation
  52  */
  53 acpi_status
  54 acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc);
  55
  56 acpi_status
  57 acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc);
  58
  59 acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *rgn_desc);
  60
  61 acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc);
  62
  63 acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc);
  64
  65 acpi_status
  66 acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
  67                                    union acpi_parse_object *op);
  68
  69 acpi_status
  70 acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
  71                              union acpi_parse_object *op);
  72
  73 acpi_status
  74 acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
  75                                    union acpi_parse_object *op);
  76
  77 acpi_status
  78 acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
  79                                   union acpi_parse_object *op,
  80                                   union acpi_operand_object *obj_desc);
  81
  82 acpi_status
  83 acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
  84                                  union acpi_parse_object *op);
  85
  86 acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);
  87
  88 /*
  89  * dsctrl - Parser/Interpreter interface, control stack routines
  90  */
  91 acpi_status
  92 acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
  93                               union acpi_parse_object *op);
  94
  95 acpi_status
  96 acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state,
  97                             union acpi_parse_object *op);
  98
  99 /*
 100  * dsexec - Parser/Interpreter interface, method execution callbacks
 101  */
 102 acpi_status
 103 acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
 104                             union acpi_operand_object *result_obj);
 105
 106 acpi_status
 107 acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
 108                       union acpi_parse_object **out_op);
 109
 110 acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state);
 111
 112 /*
 113  * dsfield - Parser/Interpreter interface for AML fields
 114  */
 115 acpi_status
 116 acpi_ds_create_field(union acpi_parse_object *op,
 117                      struct acpi_namespace_node *region_node,
 118                      struct acpi_walk_state *walk_state);
 119
 120 acpi_status
 121 acpi_ds_create_bank_field(union acpi_parse_object *op,
 122                           struct acpi_namespace_node *region_node,
 123                           struct acpi_walk_state *walk_state);
 124
 125 acpi_status
 126 acpi_ds_create_index_field(union acpi_parse_object *op,
 127                            struct acpi_namespace_node *region_node,
 128                            struct acpi_walk_state *walk_state);
 129
 130 acpi_status
 131 acpi_ds_create_buffer_field(union acpi_parse_object *op,
 132                             struct acpi_walk_state *walk_state);
 133
 134 acpi_status
 135 acpi_ds_init_field_objects(union acpi_parse_object *op,
 136                            struct acpi_walk_state *walk_state);
 137
 138 /*
 139  * dsload - Parser/Interpreter interface, namespace load callbacks
 140  */
 141 acpi_status
 142 acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
 143                        union acpi_parse_object **out_op);
 144
 145 acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state);
 146
 147 acpi_status
 148 acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
 149                        union acpi_parse_object **out_op);
 150
 151 acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);
 152
 153 acpi_status
 154 acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
 155
 156 /*
 157  * dsmthdat - method data (locals/args)
 158  */
 159 acpi_status
 160 acpi_ds_store_object_to_local(u8 type,
 161                               u32 index,
 162                               union acpi_operand_object *src_desc,
 163                               struct acpi_walk_state *walk_state);
 164
 165 acpi_status
 166 acpi_ds_method_data_get_entry(u16 opcode,
 167                               u32 index,
 168                               struct acpi_walk_state *walk_state,
 169                               union acpi_operand_object ***node);
 170
 171 void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
 172
 173 u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
 174
 175 acpi_status
 176 acpi_ds_method_data_get_value(u8 type,
 177                               u32 index,
 178                               struct acpi_walk_state *walk_state,
 179                               union acpi_operand_object **dest_desc);
 180
 181 acpi_status
 182 acpi_ds_method_data_init_args(union acpi_operand_object **params,
 183                               u32 max_param_count,
 184                               struct acpi_walk_state *walk_state);
 185
 186 acpi_status
 187 acpi_ds_method_data_get_node(u8 type,
 188                              u32 index,
 189                              struct acpi_walk_state *walk_state,
 190                              struct acpi_namespace_node **node);
 191
 192 void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
 193
 194 /*
 195  * dsmethod - Parser/Interpreter interface - control method parsing
 196  */
 197 acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node);
 198
 199 acpi_status
 200 acpi_ds_call_control_method(struct acpi_thread_state *thread,
 201                             struct acpi_walk_state *walk_state,
 202                             union acpi_parse_object *op);
 203
 204 acpi_status
 205 acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
 206                                union acpi_operand_object *return_desc);
 207
 208 void
 209 acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
 210                                  struct acpi_walk_state *walk_state);
 211
 212 acpi_status
 213 acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
 214                                union acpi_operand_object *obj_desc,
 215                                struct acpi_walk_state *walk_state);
 216
 217 acpi_status
 218 acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
 219
 220 /*
 221  * dsinit
 222  */
 223 acpi_status
 224 acpi_ds_initialize_objects(u32 table_index,
 225                            struct acpi_namespace_node *start_node);
 226
 227 /*
 228  * dsobject - Parser/Interpreter interface - object initialization and conversion
 229  */
 230 acpi_status
 231 acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
 232                                   union acpi_parse_object *op,
 233                                   u32 buffer_length,
 234                                   union acpi_operand_object **obj_desc_ptr);
 235
 236 acpi_status
 237 acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
 238                                    union acpi_parse_object *op,
 239                                    u32 package_length,
 240                                    union acpi_operand_object **obj_desc);
 241
 242 acpi_status
 243 acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
 244                             union acpi_parse_object *op,
 245                             u16 opcode, union acpi_operand_object **obj_desc);
 246
 247 acpi_status
 248 acpi_ds_create_node(struct acpi_walk_state *walk_state,
 249                     struct acpi_namespace_node *node,
 250                     union acpi_parse_object *op);
 251
 252 /*
 253  * dsutils - Parser/Interpreter interface utility routines
 254  */
 255 void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state);
 256
 257 u8
 258 acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
 259                            struct acpi_walk_state *walk_state,
 260                            u8 add_reference);
 261
 262 u8
 263 acpi_ds_is_result_used(union acpi_parse_object *op,
 264                        struct acpi_walk_state *walk_state);
 265
 266 void
 267 acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
 268                                   union acpi_operand_object *result_obj,
 269                                   struct acpi_walk_state *walk_state);
 270
 271 acpi_status
 272 acpi_ds_create_operand(struct acpi_walk_state *walk_state,
 273                        union acpi_parse_object *arg, u32 args_remaining);
 274
 275 acpi_status
 276 acpi_ds_create_operands(struct acpi_walk_state *walk_state,
 277                         union acpi_parse_object *first_arg);
 278
 279 acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state);
 280
 281 void acpi_ds_clear_operands(struct acpi_walk_state *walk_state);
 282
 283 acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state);
 284
 285 /*
 286  * dswscope - Scope Stack manipulation
 287  */
 288 acpi_status
 289 acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
 290                          acpi_object_type type,
 291                          struct acpi_walk_state *walk_state);
 292
 293 acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state);
 294
 295 void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state);
 296
 297 /*
 298  * dswstate - parser WALK_STATE management routines
 299  */
 300 acpi_status
 301 acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
 302
 303 acpi_status
 304 acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
 305
 306 struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object
 307                                                   *origin, union acpi_operand_object
 308                                                   *mth_desc, struct acpi_thread_state
 309                                                   *thread);
 310
 311 acpi_status
 312 acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
 313                       union acpi_parse_object *op,
 314                       struct acpi_namespace_node *method_node,
 315                       u8 * aml_start,
 316                       u32 aml_length,
 317                       struct acpi_evaluate_info *info, u8 pass_number);
 318
 319 void
 320 acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
 321                                  struct acpi_walk_state *walk_state);
 322
 323 void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state);
 324
 325 struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state
 326                                                *thread);
 327
 328 void
 329 acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
 330                         struct acpi_thread_state *thread);
 331
 332 acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state);
 333
 334 struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
 335                                                        *thread);
 336
 337 acpi_status
 338 acpi_ds_result_pop(union acpi_operand_object **object,
 339                    struct acpi_walk_state *walk_state);
 340
 341 acpi_status
 342 acpi_ds_result_push(union acpi_operand_object *object,
 343                     struct acpi_walk_state *walk_state);
 344
 345 #endif                          /* _ACDISPAT_H_ */