1 /****************************************************************************** 2 * 3 * Name: aclocal.h - Internal data types used across the ACPI subsystem 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2013, 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 __ACLOCAL_H__ 45 #define __ACLOCAL_H__ 46 47 /* acpisrc:struct_defs -- for acpisrc conversion */ 48 49 #define ACPI_SERIALIZED 0xFF 50 51 typedef u32 acpi_mutex_handle; 52 #define ACPI_GLOBAL_LOCK (acpi_semaphore) (-1) 53 54 /* Total number of aml opcodes defined */ 55 56 #define AML_NUM_OPCODES 0x81 57 58 /* Forward declarations */ 59 60 struct acpi_walk_state; 61 struct acpi_obj_mutex; 62 union acpi_parse_object; 63 64 /***************************************************************************** 65 * 66 * Mutex typedefs and structs 67 * 68 ****************************************************************************/ 69 70 /* 71 * Predefined handles for the mutex objects used within the subsystem 72 * All mutex objects are automatically created by acpi_ut_mutex_initialize. 73 * 74 * The acquire/release ordering protocol is implied via this list. Mutexes 75 * with a lower value must be acquired before mutexes with a higher value. 76 * 77 * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names 78 * table below also! 79 */ 80 #define ACPI_MTX_INTERPRETER 0 /* AML Interpreter, main lock */ 81 #define ACPI_MTX_NAMESPACE 1 /* ACPI Namespace */ 82 #define ACPI_MTX_TABLES 2 /* Data for ACPI tables */ 83 #define ACPI_MTX_EVENTS 3 /* Data for ACPI events */ 84 #define ACPI_MTX_CACHES 4 /* Internal caches, general purposes */ 85 #define ACPI_MTX_MEMORY 5 /* Debug memory tracking lists */ 86 #define ACPI_MTX_DEBUG_CMD_COMPLETE 6 /* AML debugger */ 87 #define ACPI_MTX_DEBUG_CMD_READY 7 /* AML debugger */ 88 89 #define ACPI_MAX_MUTEX 7 90 #define ACPI_NUM_MUTEX ACPI_MAX_MUTEX+1 91 92 /* Lock structure for reader/writer interfaces */ 93 94 struct acpi_rw_lock { 95 acpi_mutex writer_mutex; 96 acpi_mutex reader_mutex; 97 u32 num_readers; 98 }; 99 100 /* 101 * Predefined handles for spinlocks used within the subsystem. 102 * These spinlocks are created by acpi_ut_mutex_initialize 103 */ 104 #define ACPI_LOCK_GPES 0 105 #define ACPI_LOCK_HARDWARE 1 106 107 #define ACPI_MAX_LOCK 1 108 #define ACPI_NUM_LOCK ACPI_MAX_LOCK+1 109 110 /* This Thread ID means that the mutex is not in use (unlocked) */ 111 112 #define ACPI_MUTEX_NOT_ACQUIRED (acpi_thread_id) 0 113 114 /* Table for the global mutexes */ 115 116 struct acpi_mutex_info { 117 acpi_mutex mutex; 118 u32 use_count; 119 acpi_thread_id thread_id; 120 }; 121 122 /* Lock flag parameter for various interfaces */ 123 124 #define ACPI_MTX_DO_NOT_LOCK 0 125 #define ACPI_MTX_LOCK 1 126 127 /* Field access granularities */ 128 129 #define ACPI_FIELD_BYTE_GRANULARITY 1 130 #define ACPI_FIELD_WORD_GRANULARITY 2 131 #define ACPI_FIELD_DWORD_GRANULARITY 4 132 #define ACPI_FIELD_QWORD_GRANULARITY 8 133 134 #define ACPI_ENTRY_NOT_FOUND NULL 135 136 /***************************************************************************** 137 * 138 * Namespace typedefs and structs 139 * 140 ****************************************************************************/ 141 142 /* Operational modes of the AML interpreter/scanner */ 143 144 typedef enum { 145 ACPI_IMODE_LOAD_PASS1 = 0x01, 146 ACPI_IMODE_LOAD_PASS2 = 0x02, 147 ACPI_IMODE_EXECUTE = 0x03 148 } acpi_interpreter_mode; 149 150 /* 151 * The Namespace Node describes a named object that appears in the AML. 152 * descriptor_type is used to differentiate between internal descriptors. 153 * 154 * The node is optimized for both 32-bit and 64-bit platforms: 155 * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case. 156 * 157 * Note: The descriptor_type and Type fields must appear in the identical 158 * position in both the struct acpi_namespace_node and union acpi_operand_object 159 * structures. 160 */ 161 struct acpi_namespace_node { 162 union acpi_operand_object *object; /* Interpreter object */ 163 u8 descriptor_type; /* Differentiate object descriptor types */ 164 u8 type; /* ACPI Type associated with this name */ 165 u8 flags; /* Miscellaneous flags */ 166 acpi_owner_id owner_id; /* Node creator */ 167 union acpi_name_union name; /* ACPI Name, always 4 chars per ACPI spec */ 168 struct acpi_namespace_node *parent; /* Parent node */ 169 struct acpi_namespace_node *child; /* First child */ 170 struct acpi_namespace_node *peer; /* First peer */ 171 172 /* 173 * The following fields are used by the ASL compiler and disassembler only 174 */ 175 #ifdef ACPI_LARGE_NAMESPACE_NODE 176 union acpi_parse_object *op; 177 u32 value; 178 u32 length; 179 #endif 180 }; 181 182 /* Namespace Node flags */ 183 184 #define ANOBJ_RESERVED 0x01 /* Available for use */ 185 #define ANOBJ_TEMPORARY 0x02 /* Node is create by a method and is temporary */ 186 #define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */ 187 #define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */ 188 #define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */ 189 #define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */ 190 #define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */ 191 192 #define ANOBJ_IS_EXTERNAL 0x08 /* iASL only: This object created via External() */ 193 #define ANOBJ_METHOD_NO_RETVAL 0x10 /* iASL only: Method has no return value */ 194 #define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* iASL only: Method has at least one return value */ 195 #define ANOBJ_IS_REFERENCED 0x80 /* iASL only: Object was referenced */ 196 197 /* Internal ACPI table management - master table list */ 198 199 struct acpi_table_list { 200 struct acpi_table_desc *tables; /* Table descriptor array */ 201 u32 current_table_count; /* Tables currently in the array */ 202 u32 max_table_count; /* Max tables array will hold */ 203 u8 flags; 204 }; 205 206 /* Flags for above */ 207 208 #define ACPI_ROOT_ORIGIN_UNKNOWN (0) /* ~ORIGIN_ALLOCATED */ 209 #define ACPI_ROOT_ORIGIN_ALLOCATED (1) 210 #define ACPI_ROOT_ALLOW_RESIZE (2) 211 212 /* Predefined (fixed) table indexes */ 213 214 #define ACPI_TABLE_INDEX_DSDT (0) 215 #define ACPI_TABLE_INDEX_FACS (1) 216 217 struct acpi_find_context { 218 char *search_for; 219 acpi_handle *list; 220 u32 *count; 221 }; 222 223 struct acpi_ns_search_data { 224 struct acpi_namespace_node *node; 225 }; 226 227 /* Object types used during package copies */ 228 229 #define ACPI_COPY_TYPE_SIMPLE 0 230 #define ACPI_COPY_TYPE_PACKAGE 1 231 232 /* Info structure used to convert external<->internal namestrings */ 233 234 struct acpi_namestring_info { 235 const char *external_name; 236 const char *next_external_char; 237 char *internal_name; 238 u32 length; 239 u32 num_segments; 240 u32 num_carats; 241 u8 fully_qualified; 242 }; 243 244 /* Field creation info */ 245 246 struct acpi_create_field_info { 247 struct acpi_namespace_node *region_node; 248 struct acpi_namespace_node *field_node; 249 struct acpi_namespace_node *register_node; 250 struct acpi_namespace_node *data_register_node; 251 struct acpi_namespace_node *connection_node; 252 u8 *resource_buffer; 253 u32 bank_value; 254 u32 field_bit_position; 255 u32 field_bit_length; 256 u16 resource_length; 257 u8 field_flags; 258 u8 attribute; 259 u8 field_type; 260 u8 access_length; 261 }; 262 263 typedef 264 acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state); 265 266 /* 267 * Bitmapped ACPI types. Used internally only 268 */ 269 #define ACPI_BTYPE_ANY 0x00000000 270 #define ACPI_BTYPE_INTEGER 0x00000001 271 #define ACPI_BTYPE_STRING 0x00000002 272 #define ACPI_BTYPE_BUFFER 0x00000004 273 #define ACPI_BTYPE_PACKAGE 0x00000008 274 #define ACPI_BTYPE_FIELD_UNIT 0x00000010 275 #define ACPI_BTYPE_DEVICE 0x00000020 276 #define ACPI_BTYPE_EVENT 0x00000040 277 #define ACPI_BTYPE_METHOD 0x00000080 278 #define ACPI_BTYPE_MUTEX 0x00000100 279 #define ACPI_BTYPE_REGION 0x00000200 280 #define ACPI_BTYPE_POWER 0x00000400 281 #define ACPI_BTYPE_PROCESSOR 0x00000800 282 #define ACPI_BTYPE_THERMAL 0x00001000 283 #define ACPI_BTYPE_BUFFER_FIELD 0x00002000 284 #define ACPI_BTYPE_DDB_HANDLE 0x00004000 285 #define ACPI_BTYPE_DEBUG_OBJECT 0x00008000 286 #define ACPI_BTYPE_REFERENCE 0x00010000 287 #define ACPI_BTYPE_RESOURCE 0x00020000 288 289 #define ACPI_BTYPE_COMPUTE_DATA (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER) 290 291 #define ACPI_BTYPE_DATA (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_PACKAGE) 292 #define ACPI_BTYPE_DATA_REFERENCE (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE) 293 #define ACPI_BTYPE_DEVICE_OBJECTS (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR) 294 #define ACPI_BTYPE_OBJECTS_AND_REFS 0x0001FFFF /* ARG or LOCAL */ 295 #define ACPI_BTYPE_ALL_OBJECTS 0x0000FFFF 296 297 #pragma pack(1) 298 299 /* 300 * Information structure for ACPI predefined names. 301 * Each entry in the table contains the following items: 302 * 303 * name - The ACPI reserved name 304 * param_count - Number of arguments to the method 305 * expected_return_btypes - Allowed type(s) for the return value 306 */ 307 struct acpi_name_info { 308 char name[ACPI_NAME_SIZE]; 309 u16 argument_list; 310 u8 expected_btypes; 311 }; 312 313 /* 314 * Secondary information structures for ACPI predefined objects that return 315 * package objects. This structure appears as the next entry in the table 316 * after the NAME_INFO structure above. 317 * 318 * The reason for this is to minimize the size of the predefined name table. 319 */ 320 321 /* 322 * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2, 323 * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT, 324 * ACPI_PTYPE2_FIX_VAR 325 */ 326 struct acpi_package_info { 327 u8 type; 328 u8 object_type1; 329 u8 count1; 330 u8 object_type2; 331 u8 count2; 332 u16 reserved; 333 }; 334 335 /* Used for ACPI_PTYPE2_FIXED */ 336 337 struct acpi_package_info2 { 338 u8 type; 339 u8 count; 340 u8 object_type[4]; 341 u8 reserved; 342 }; 343 344 /* Used for ACPI_PTYPE1_OPTION */ 345 346 struct acpi_package_info3 { 347 u8 type; 348 u8 count; 349 u8 object_type[2]; 350 u8 tail_object_type; 351 u16 reserved; 352 }; 353 354 union acpi_predefined_info { 355 struct acpi_name_info info; 356 struct acpi_package_info ret_info; 357 struct acpi_package_info2 ret_info2; 358 struct acpi_package_info3 ret_info3; 359 }; 360 361 /* Reset to default packing */ 362 363 #pragma pack() 364 365 /* Return object auto-repair info */ 366 367 typedef acpi_status(*acpi_object_converter) (union acpi_operand_object 368 *original_object, 369 union acpi_operand_object 370 **converted_object); 371 372 struct acpi_simple_repair_info { 373 char name[ACPI_NAME_SIZE]; 374 u32 unexpected_btypes; 375 u32 package_index; 376 acpi_object_converter object_converter; 377 }; 378 379 /* 380 * Bitmapped return value types 381 * Note: the actual data types must be contiguous, a loop in nspredef.c 382 * depends on this. 383 */ 384 #define ACPI_RTYPE_ANY 0x00 385 #define ACPI_RTYPE_NONE 0x01 386 #define ACPI_RTYPE_INTEGER 0x02 387 #define ACPI_RTYPE_STRING 0x04 388 #define ACPI_RTYPE_BUFFER 0x08 389 #define ACPI_RTYPE_PACKAGE 0x10 390 #define ACPI_RTYPE_REFERENCE 0x20 391 #define ACPI_RTYPE_ALL 0x3F 392 393 #define ACPI_NUM_RTYPES 5 /* Number of actual object types */ 394 395 /***************************************************************************** 396 * 397 * Event typedefs and structs 398 * 399 ****************************************************************************/ 400 401 /* Dispatch info for each GPE -- either a method or handler, cannot be both */ 402 403 struct acpi_gpe_handler_info { 404 acpi_gpe_handler address; /* Address of handler, if any */ 405 void *context; /* Context to be passed to handler */ 406 struct acpi_namespace_node *method_node; /* Method node for this GPE level (saved) */ 407 u8 original_flags; /* Original (pre-handler) GPE info */ 408 u8 originally_enabled; /* True if GPE was originally enabled */ 409 }; 410 411 /* Notify info for implicit notify, multiple device objects */ 412 413 struct acpi_gpe_notify_info { 414 struct acpi_namespace_node *device_node; /* Device to be notified */ 415 struct acpi_gpe_notify_info *next; 416 }; 417 418 /* 419 * GPE dispatch info. At any time, the GPE can have at most one type 420 * of dispatch - Method, Handler, or Implicit Notify. 421 */ 422 union acpi_gpe_dispatch_info { 423 struct acpi_namespace_node *method_node; /* Method node for this GPE level */ 424 struct acpi_gpe_handler_info *handler; /* Installed GPE handler */ 425 struct acpi_gpe_notify_info *notify_list; /* List of _PRW devices for implicit notifies */ 426 }; 427 428 /* 429 * Information about a GPE, one per each GPE in an array. 430 * NOTE: Important to keep this struct as small as possible. 431 */ 432 struct acpi_gpe_event_info { 433 union acpi_gpe_dispatch_info dispatch; /* Either Method, Handler, or notify_list */ 434 struct acpi_gpe_register_info *register_info; /* Backpointer to register info */ 435 u8 flags; /* Misc info about this GPE */ 436 u8 gpe_number; /* This GPE */ 437 u8 runtime_count; /* References to a run GPE */ 438 }; 439 440 /* Information about a GPE register pair, one per each status/enable pair in an array */ 441 442 struct acpi_gpe_register_info { 443 struct acpi_generic_address status_address; /* Address of status reg */ 444 struct acpi_generic_address enable_address; /* Address of enable reg */ 445 u8 enable_for_wake; /* GPEs to keep enabled when sleeping */ 446 u8 enable_for_run; /* GPEs to keep enabled when running */ 447 u8 base_gpe_number; /* Base GPE number for this register */ 448 }; 449 450 /* 451 * Information about a GPE register block, one per each installed block -- 452 * GPE0, GPE1, and one per each installed GPE Block Device. 453 */ 454 struct acpi_gpe_block_info { 455 struct acpi_namespace_node *node; 456 struct acpi_gpe_block_info *previous; 457 struct acpi_gpe_block_info *next; 458 struct acpi_gpe_xrupt_info *xrupt_block; /* Backpointer to interrupt block */ 459 struct acpi_gpe_register_info *register_info; /* One per GPE register pair */ 460 struct acpi_gpe_event_info *event_info; /* One for each GPE */ 461 struct acpi_generic_address block_address; /* Base address of the block */ 462 u32 register_count; /* Number of register pairs in block */ 463 u16 gpe_count; /* Number of individual GPEs in block */ 464 u8 block_base_number; /* Base GPE number for this block */ 465 u8 initialized; /* TRUE if this block is initialized */ 466 }; 467 468 /* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */ 469 470 struct acpi_gpe_xrupt_info { 471 struct acpi_gpe_xrupt_info *previous; 472 struct acpi_gpe_xrupt_info *next; 473 struct acpi_gpe_block_info *gpe_block_list_head; /* List of GPE blocks for this xrupt */ 474 u32 interrupt_number; /* System interrupt number */ 475 }; 476 477 struct acpi_gpe_walk_info { 478 struct acpi_namespace_node *gpe_device; 479 struct acpi_gpe_block_info *gpe_block; 480 u16 count; 481 acpi_owner_id owner_id; 482 u8 execute_by_owner_id; 483 }; 484 485 struct acpi_gpe_device_info { 486 u32 index; 487 u32 next_block_base_index; 488 acpi_status status; 489 struct acpi_namespace_node *gpe_device; 490 }; 491 492 typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info * 493 gpe_xrupt_info, 494 struct acpi_gpe_block_info *gpe_block, 495 void *context); 496 497 /* Information about each particular fixed event */ 498 499 struct acpi_fixed_event_handler { 500 acpi_event_handler handler; /* Address of handler. */ 501 void *context; /* Context to be passed to handler */ 502 }; 503 504 struct acpi_fixed_event_info { 505 u8 status_register_id; 506 u8 enable_register_id; 507 u16 status_bit_mask; 508 u16 enable_bit_mask; 509 }; 510 511 /* Information used during field processing */ 512 513 struct acpi_field_info { 514 u8 skip_field; 515 u8 field_flag; 516 u32 pkg_length; 517 }; 518 519 /***************************************************************************** 520 * 521 * Generic "state" object for stacks 522 * 523 ****************************************************************************/ 524 525 #define ACPI_CONTROL_NORMAL 0xC0 526 #define ACPI_CONTROL_CONDITIONAL_EXECUTING 0xC1 527 #define ACPI_CONTROL_PREDICATE_EXECUTING 0xC2 528 #define ACPI_CONTROL_PREDICATE_FALSE 0xC3 529 #define ACPI_CONTROL_PREDICATE_TRUE 0xC4 530 531 #define ACPI_STATE_COMMON \ 532 void *next; \ 533 u8 descriptor_type; /* To differentiate various internal objs */\ 534 u8 flags; \ 535 u16 value; \ 536 u16 state; 537 538 /* There are 2 bytes available here until the next natural alignment boundary */ 539 540 struct acpi_common_state { 541 ACPI_STATE_COMMON}; 542 543 /* 544 * Update state - used to traverse complex objects such as packages 545 */ 546 struct acpi_update_state { 547 ACPI_STATE_COMMON union acpi_operand_object *object; 548 }; 549 550 /* 551 * Pkg state - used to traverse nested package structures 552 */ 553 struct acpi_pkg_state { 554 ACPI_STATE_COMMON u16 index; 555 union acpi_operand_object *source_object; 556 union acpi_operand_object *dest_object; 557 struct acpi_walk_state *walk_state; 558 void *this_target_obj; 559 u32 num_packages; 560 }; 561 562 /* 563 * Control state - one per if/else and while constructs. 564 * Allows nesting of these constructs 565 */ 566 struct acpi_control_state { 567 ACPI_STATE_COMMON u16 opcode; 568 union acpi_parse_object *predicate_op; 569 u8 *aml_predicate_start; /* Start of if/while predicate */ 570 u8 *package_end; /* End of if/while block */ 571 u32 loop_count; /* While() loop counter */ 572 }; 573 574 /* 575 * Scope state - current scope during namespace lookups 576 */ 577 struct acpi_scope_state { 578 ACPI_STATE_COMMON struct acpi_namespace_node *node; 579 }; 580 581 struct acpi_pscope_state { 582 ACPI_STATE_COMMON u32 arg_count; /* Number of fixed arguments */ 583 union acpi_parse_object *op; /* Current op being parsed */ 584 u8 *arg_end; /* Current argument end */ 585 u8 *pkg_end; /* Current package end */ 586 u32 arg_list; /* Next argument to parse */ 587 }; 588 589 /* 590 * Thread state - one per thread across multiple walk states. Multiple walk 591 * states are created when there are nested control methods executing. 592 */ 593 struct acpi_thread_state { 594 ACPI_STATE_COMMON u8 current_sync_level; /* Mutex Sync (nested acquire) level */ 595 struct acpi_walk_state *walk_state_list; /* Head of list of walk_states for this thread */ 596 union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */ 597 acpi_thread_id thread_id; /* Running thread ID */ 598 }; 599 600 /* 601 * Result values - used to accumulate the results of nested 602 * AML arguments 603 */ 604 struct acpi_result_values { 605 ACPI_STATE_COMMON 606 union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM]; 607 }; 608 609 typedef 610 acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state, 611 union acpi_parse_object ** out_op); 612 613 typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state); 614 615 /* Global handlers for AML Notifies */ 616 617 struct acpi_global_notify_handler { 618 acpi_notify_handler handler; 619 void *context; 620 }; 621 622 /* 623 * Notify info - used to pass info to the deferred notify 624 * handler/dispatcher. 625 */ 626 struct acpi_notify_info { 627 ACPI_STATE_COMMON u8 handler_list_id; 628 struct acpi_namespace_node *node; 629 union acpi_operand_object *handler_list_head; 630 struct acpi_global_notify_handler *global; 631 }; 632 633 /* Generic state is union of structs above */ 634 635 union acpi_generic_state { 636 struct acpi_common_state common; 637 struct acpi_control_state control; 638 struct acpi_update_state update; 639 struct acpi_scope_state scope; 640 struct acpi_pscope_state parse_scope; 641 struct acpi_pkg_state pkg; 642 struct acpi_thread_state thread; 643 struct acpi_result_values results; 644 struct acpi_notify_info notify; 645 }; 646 647 /***************************************************************************** 648 * 649 * Interpreter typedefs and structs 650 * 651 ****************************************************************************/ 652 653 typedef acpi_status(*acpi_execute_op) (struct acpi_walk_state * walk_state); 654 655 /* Address Range info block */ 656 657 struct acpi_address_range { 658 struct acpi_address_range *next; 659 struct acpi_namespace_node *region_node; 660 acpi_physical_address start_address; 661 acpi_physical_address end_address; 662 }; 663 664 /***************************************************************************** 665 * 666 * Parser typedefs and structs 667 * 668 ****************************************************************************/ 669 670 /* 671 * AML opcode, name, and argument layout 672 */ 673 struct acpi_opcode_info { 674 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT) 675 char *name; /* Opcode name (disassembler/debug only) */ 676 #endif 677 u32 parse_args; /* Grammar/Parse time arguments */ 678 u32 runtime_args; /* Interpret time arguments */ 679 u16 flags; /* Misc flags */ 680 u8 object_type; /* Corresponding internal object type */ 681 u8 class; /* Opcode class */ 682 u8 type; /* Opcode type */ 683 }; 684 685 /* Value associated with the parse object */ 686 687 union acpi_parse_value { 688 u64 integer; /* Integer constant (Up to 64 bits) */ 689 u32 size; /* bytelist or field size */ 690 char *string; /* NULL terminated string */ 691 u8 *buffer; /* buffer or string */ 692 char *name; /* NULL terminated string */ 693 union acpi_parse_object *arg; /* arguments and contained ops */ 694 }; 695 696 #ifdef ACPI_DISASSEMBLER 697 #define ACPI_DISASM_ONLY_MEMBERS(a) a; 698 #else 699 #define ACPI_DISASM_ONLY_MEMBERS(a) 700 #endif 701 702 #define ACPI_PARSE_COMMON \ 703 union acpi_parse_object *parent; /* Parent op */\ 704 u8 descriptor_type; /* To differentiate various internal objs */\ 705 u8 flags; /* Type of Op */\ 706 u16 aml_opcode; /* AML opcode */\ 707 u32 aml_offset; /* Offset of declaration in AML */\ 708 union acpi_parse_object *next; /* Next op */\ 709 struct acpi_namespace_node *node; /* For use by interpreter */\ 710 union acpi_parse_value value; /* Value or args associated with the opcode */\ 711 u8 arg_list_length; /* Number of elements in the arg list */\ 712 ACPI_DISASM_ONLY_MEMBERS (\ 713 u8 disasm_flags; /* Used during AML disassembly */\ 714 u8 disasm_opcode; /* Subtype used for disassembly */\ 715 char aml_op_name[16]) /* Op name (debug only) */ 716 717 /* Flags for disasm_flags field above */ 718 719 #define ACPI_DASM_BUFFER 0x00 /* Buffer is a simple data buffer */ 720 #define ACPI_DASM_RESOURCE 0x01 /* Buffer is a Resource Descriptor */ 721 #define ACPI_DASM_STRING 0x02 /* Buffer is a ASCII string */ 722 #define ACPI_DASM_UNICODE 0x03 /* Buffer is a Unicode string */ 723 #define ACPI_DASM_PLD_METHOD 0x04 /* Buffer is a _PLD method bit-packed buffer */ 724 #define ACPI_DASM_EISAID 0x05 /* Integer is an EISAID */ 725 #define ACPI_DASM_MATCHOP 0x06 /* Parent opcode is a Match() operator */ 726 #define ACPI_DASM_LNOT_PREFIX 0x07 /* Start of a Lnot_equal (etc.) pair of opcodes */ 727 #define ACPI_DASM_LNOT_SUFFIX 0x08 /* End of a Lnot_equal (etc.) pair of opcodes */ 728 #define ACPI_DASM_IGNORE 0x09 /* Not used at this time */ 729 730 /* 731 * Generic operation (for example: If, While, Store) 732 */ 733 struct acpi_parse_obj_common { 734 ACPI_PARSE_COMMON}; 735 736 /* 737 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions), 738 * and bytelists. 739 */ 740 struct acpi_parse_obj_named { 741 ACPI_PARSE_COMMON u8 *path; 742 u8 *data; /* AML body or bytelist data */ 743 u32 length; /* AML length */ 744 u32 name; /* 4-byte name or zero if no name */ 745 }; 746 747 /* This version is used by the iASL compiler only */ 748 749 #define ACPI_MAX_PARSEOP_NAME 20 750 751 struct acpi_parse_obj_asl { 752 ACPI_PARSE_COMMON union acpi_parse_object *child; 753 union acpi_parse_object *parent_method; 754 char *filename; 755 char *external_name; 756 char *namepath; 757 char name_seg[4]; 758 u32 extra_value; 759 u32 column; 760 u32 line_number; 761 u32 logical_line_number; 762 u32 logical_byte_offset; 763 u32 end_line; 764 u32 end_logical_line; 765 u32 acpi_btype; 766 u32 aml_length; 767 u32 aml_subtree_length; 768 u32 final_aml_length; 769 u32 final_aml_offset; 770 u32 compile_flags; 771 u16 parse_opcode; 772 u8 aml_opcode_length; 773 u8 aml_pkg_len_bytes; 774 u8 extra; 775 char parse_op_name[ACPI_MAX_PARSEOP_NAME]; 776 }; 777 778 union acpi_parse_object { 779 struct acpi_parse_obj_common common; 780 struct acpi_parse_obj_named named; 781 struct acpi_parse_obj_asl asl; 782 }; 783 784 /* 785 * Parse state - one state per parser invocation and each control 786 * method. 787 */ 788 struct acpi_parse_state { 789 u8 *aml_start; /* First AML byte */ 790 u8 *aml; /* Next AML byte */ 791 u8 *aml_end; /* (last + 1) AML byte */ 792 u8 *pkg_start; /* Current package begin */ 793 u8 *pkg_end; /* Current package end */ 794 union acpi_parse_object *start_op; /* Root of parse tree */ 795 struct acpi_namespace_node *start_node; 796 union acpi_generic_state *scope; /* Current scope */ 797 union acpi_parse_object *start_scope; 798 u32 aml_size; 799 }; 800 801 /* Parse object flags */ 802 803 #define ACPI_PARSEOP_GENERIC 0x01 804 #define ACPI_PARSEOP_NAMED 0x02 805 #define ACPI_PARSEOP_DEFERRED 0x04 806 #define ACPI_PARSEOP_BYTELIST 0x08 807 #define ACPI_PARSEOP_IN_STACK 0x10 808 #define ACPI_PARSEOP_TARGET 0x20 809 #define ACPI_PARSEOP_IN_CACHE 0x80 810 811 /* Parse object disasm_flags */ 812 813 #define ACPI_PARSEOP_IGNORE 0x01 814 #define ACPI_PARSEOP_PARAMLIST 0x02 815 #define ACPI_PARSEOP_EMPTY_TERMLIST 0x04 816 #define ACPI_PARSEOP_PREDEF_CHECKED 0x08 817 #define ACPI_PARSEOP_SPECIAL 0x10 818 819 /***************************************************************************** 820 * 821 * Hardware (ACPI registers) and PNP 822 * 823 ****************************************************************************/ 824 825 struct acpi_bit_register_info { 826 u8 parent_register; 827 u8 bit_position; 828 u16 access_bit_mask; 829 }; 830 831 /* 832 * Some ACPI registers have bits that must be ignored -- meaning that they 833 * must be preserved. 834 */ 835 #define ACPI_PM1_STATUS_PRESERVED_BITS 0x0800 /* Bit 11 */ 836 837 /* Write-only bits must be zeroed by software */ 838 839 #define ACPI_PM1_CONTROL_WRITEONLY_BITS 0x2004 /* Bits 13, 2 */ 840 841 /* For control registers, both ignored and reserved bits must be preserved */ 842 843 /* 844 * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the 845 * ACPI specification to be a "preserved" bit - "OSPM always preserves this 846 * bit position", section 4.7.3.2.1. However, on some machines the OS must 847 * write a one to this bit after resume for the machine to work properly. 848 * To enable this, we no longer attempt to preserve this bit. No machines 849 * are known to fail if the bit is not preserved. (May 2009) 850 */ 851 #define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bit 9 */ 852 #define ACPI_PM1_CONTROL_RESERVED_BITS 0xC1F8 /* Bits 14-15, 3-8 */ 853 #define ACPI_PM1_CONTROL_PRESERVED_BITS \ 854 (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS) 855 856 #define ACPI_PM2_CONTROL_PRESERVED_BITS 0xFFFFFFFE /* All except bit 0 */ 857 858 /* 859 * Register IDs 860 * These are the full ACPI registers 861 */ 862 #define ACPI_REGISTER_PM1_STATUS 0x01 863 #define ACPI_REGISTER_PM1_ENABLE 0x02 864 #define ACPI_REGISTER_PM1_CONTROL 0x03 865 #define ACPI_REGISTER_PM2_CONTROL 0x04 866 #define ACPI_REGISTER_PM_TIMER 0x05 867 #define ACPI_REGISTER_PROCESSOR_BLOCK 0x06 868 #define ACPI_REGISTER_SMI_COMMAND_BLOCK 0x07 869 870 /* Masks used to access the bit_registers */ 871 872 #define ACPI_BITMASK_TIMER_STATUS 0x0001 873 #define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010 874 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020 875 #define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100 876 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200 877 #define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400 878 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */ 879 #define ACPI_BITMASK_WAKE_STATUS 0x8000 880 881 #define ACPI_BITMASK_ALL_FIXED_STATUS (\ 882 ACPI_BITMASK_TIMER_STATUS | \ 883 ACPI_BITMASK_BUS_MASTER_STATUS | \ 884 ACPI_BITMASK_GLOBAL_LOCK_STATUS | \ 885 ACPI_BITMASK_POWER_BUTTON_STATUS | \ 886 ACPI_BITMASK_SLEEP_BUTTON_STATUS | \ 887 ACPI_BITMASK_RT_CLOCK_STATUS | \ 888 ACPI_BITMASK_PCIEXP_WAKE_STATUS | \ 889 ACPI_BITMASK_WAKE_STATUS) 890 891 #define ACPI_BITMASK_TIMER_ENABLE 0x0001 892 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020 893 #define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100 894 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200 895 #define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400 896 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */ 897 898 #define ACPI_BITMASK_SCI_ENABLE 0x0001 899 #define ACPI_BITMASK_BUS_MASTER_RLD 0x0002 900 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004 901 #define ACPI_BITMASK_SLEEP_TYPE 0x1C00 902 #define ACPI_BITMASK_SLEEP_ENABLE 0x2000 903 904 #define ACPI_BITMASK_ARB_DISABLE 0x0001 905 906 /* Raw bit position of each bit_register */ 907 908 #define ACPI_BITPOSITION_TIMER_STATUS 0x00 909 #define ACPI_BITPOSITION_BUS_MASTER_STATUS 0x04 910 #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS 0x05 911 #define ACPI_BITPOSITION_POWER_BUTTON_STATUS 0x08 912 #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS 0x09 913 #define ACPI_BITPOSITION_RT_CLOCK_STATUS 0x0A 914 #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS 0x0E /* ACPI 3.0 */ 915 #define ACPI_BITPOSITION_WAKE_STATUS 0x0F 916 917 #define ACPI_BITPOSITION_TIMER_ENABLE 0x00 918 #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE 0x05 919 #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE 0x08 920 #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE 0x09 921 #define ACPI_BITPOSITION_RT_CLOCK_ENABLE 0x0A 922 #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE 0x0E /* ACPI 3.0 */ 923 924 #define ACPI_BITPOSITION_SCI_ENABLE 0x00 925 #define ACPI_BITPOSITION_BUS_MASTER_RLD 0x01 926 #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE 0x02 927 #define ACPI_BITPOSITION_SLEEP_TYPE 0x0A 928 #define ACPI_BITPOSITION_SLEEP_ENABLE 0x0D 929 930 #define ACPI_BITPOSITION_ARB_DISABLE 0x00 931 932 /* Structs and definitions for _OSI support and I/O port validation */ 933 934 #define ACPI_ALWAYS_ILLEGAL 0x00 935 936 struct acpi_interface_info { 937 char *name; 938 struct acpi_interface_info *next; 939 u8 flags; 940 u8 value; 941 }; 942 943 #define ACPI_OSI_INVALID 0x01 944 #define ACPI_OSI_DYNAMIC 0x02 945 946 struct acpi_port_info { 947 char *name; 948 u16 start; 949 u16 end; 950 u8 osi_dependency; 951 }; 952 953 /***************************************************************************** 954 * 955 * Resource descriptors 956 * 957 ****************************************************************************/ 958 959 /* resource_type values */ 960 961 #define ACPI_ADDRESS_TYPE_MEMORY_RANGE 0 962 #define ACPI_ADDRESS_TYPE_IO_RANGE 1 963 #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE 2 964 965 /* Resource descriptor types and masks */ 966 967 #define ACPI_RESOURCE_NAME_LARGE 0x80 968 #define ACPI_RESOURCE_NAME_SMALL 0x00 969 970 #define ACPI_RESOURCE_NAME_SMALL_MASK 0x78 /* Bits 6:3 contain the type */ 971 #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK 0x07 /* Bits 2:0 contain the length */ 972 #define ACPI_RESOURCE_NAME_LARGE_MASK 0x7F /* Bits 6:0 contain the type */ 973 974 /* 975 * Small resource descriptor "names" as defined by the ACPI specification. 976 * Note: Bits 2:0 are used for the descriptor length 977 */ 978 #define ACPI_RESOURCE_NAME_IRQ 0x20 979 #define ACPI_RESOURCE_NAME_DMA 0x28 980 #define ACPI_RESOURCE_NAME_START_DEPENDENT 0x30 981 #define ACPI_RESOURCE_NAME_END_DEPENDENT 0x38 982 #define ACPI_RESOURCE_NAME_IO 0x40 983 #define ACPI_RESOURCE_NAME_FIXED_IO 0x48 984 #define ACPI_RESOURCE_NAME_FIXED_DMA 0x50 985 #define ACPI_RESOURCE_NAME_RESERVED_S2 0x58 986 #define ACPI_RESOURCE_NAME_RESERVED_S3 0x60 987 #define ACPI_RESOURCE_NAME_RESERVED_S4 0x68 988 #define ACPI_RESOURCE_NAME_VENDOR_SMALL 0x70 989 #define ACPI_RESOURCE_NAME_END_TAG 0x78 990 991 /* 992 * Large resource descriptor "names" as defined by the ACPI specification. 993 * Note: includes the Large Descriptor bit in bit[7] 994 */ 995 #define ACPI_RESOURCE_NAME_MEMORY24 0x81 996 #define ACPI_RESOURCE_NAME_GENERIC_REGISTER 0x82 997 #define ACPI_RESOURCE_NAME_RESERVED_L1 0x83 998 #define ACPI_RESOURCE_NAME_VENDOR_LARGE 0x84 999 #define ACPI_RESOURCE_NAME_MEMORY32 0x85 1000 #define ACPI_RESOURCE_NAME_FIXED_MEMORY32 0x86 1001 #define ACPI_RESOURCE_NAME_ADDRESS32 0x87 1002 #define ACPI_RESOURCE_NAME_ADDRESS16 0x88 1003 #define ACPI_RESOURCE_NAME_EXTENDED_IRQ 0x89 1004 #define ACPI_RESOURCE_NAME_ADDRESS64 0x8A 1005 #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 0x8B 1006 #define ACPI_RESOURCE_NAME_GPIO 0x8C 1007 #define ACPI_RESOURCE_NAME_SERIAL_BUS 0x8E 1008 #define ACPI_RESOURCE_NAME_LARGE_MAX 0x8E 1009 1010 /***************************************************************************** 1011 * 1012 * Miscellaneous 1013 * 1014 ****************************************************************************/ 1015 1016 #define ACPI_ASCII_ZERO 0x30 1017 1018 /***************************************************************************** 1019 * 1020 * Disassembler 1021 * 1022 ****************************************************************************/ 1023 1024 struct acpi_external_list { 1025 char *path; 1026 char *internal_path; 1027 struct acpi_external_list *next; 1028 u32 value; 1029 u16 length; 1030 u8 type; 1031 u8 flags; 1032 u8 resolved; 1033 }; 1034 1035 /* Values for Flags field above */ 1036 1037 #define ACPI_IPATH_ALLOCATED 0x01 1038 1039 struct acpi_external_file { 1040 char *path; 1041 struct acpi_external_file *next; 1042 }; 1043 1044 /***************************************************************************** 1045 * 1046 * Debugger 1047 * 1048 ****************************************************************************/ 1049 1050 struct acpi_db_method_info { 1051 acpi_handle method; 1052 acpi_handle main_thread_gate; 1053 acpi_handle thread_complete_gate; 1054 acpi_handle info_gate; 1055 acpi_thread_id *threads; 1056 u32 num_threads; 1057 u32 num_created; 1058 u32 num_completed; 1059 1060 char *name; 1061 u32 flags; 1062 u32 num_loops; 1063 char pathname[128]; 1064 char **args; 1065 acpi_object_type *types; 1066 1067 /* 1068 * Arguments to be passed to method for the command 1069 * Threads - 1070 * the Number of threads, ID of current thread and 1071 * Index of current thread inside all them created. 1072 */ 1073 char init_args; 1074 char *arguments[4]; 1075 char num_threads_str[11]; 1076 char id_of_thread_str[11]; 1077 char index_of_thread_str[11]; 1078 }; 1079 1080 struct acpi_integrity_info { 1081 u32 nodes; 1082 u32 objects; 1083 }; 1084 1085 #define ACPI_DB_REDIRECTABLE_OUTPUT 0x01 1086 #define ACPI_DB_CONSOLE_OUTPUT 0x02 1087 #define ACPI_DB_DUPLICATE_OUTPUT 0x03 1088 1089 /***************************************************************************** 1090 * 1091 * Debug 1092 * 1093 ****************************************************************************/ 1094 1095 /* Entry for a memory allocation (debug only) */ 1096 1097 #define ACPI_MEM_MALLOC 0 1098 #define ACPI_MEM_CALLOC 1 1099 #define ACPI_MAX_MODULE_NAME 16 1100 1101 #define ACPI_COMMON_DEBUG_MEM_HEADER \ 1102 struct acpi_debug_mem_block *previous; \ 1103 struct acpi_debug_mem_block *next; \ 1104 u32 size; \ 1105 u32 component; \ 1106 u32 line; \ 1107 char module[ACPI_MAX_MODULE_NAME]; \ 1108 u8 alloc_type; 1109 1110 struct acpi_debug_mem_header { 1111 ACPI_COMMON_DEBUG_MEM_HEADER}; 1112 1113 struct acpi_debug_mem_block { 1114 ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space; 1115 }; 1116 1117 #define ACPI_MEM_LIST_GLOBAL 0 1118 #define ACPI_MEM_LIST_NSNODE 1 1119 #define ACPI_MEM_LIST_MAX 1 1120 #define ACPI_NUM_MEM_LISTS 2 1121 1122 /***************************************************************************** 1123 * 1124 * Info/help support 1125 * 1126 ****************************************************************************/ 1127 1128 struct ah_predefined_name { 1129 char *name; 1130 char *description; 1131 #ifndef ACPI_ASL_COMPILER 1132 char *action; 1133 #endif 1134 }; 1135 1136 #endif /* __ACLOCAL_H__ */ 1137