1 /****************************************************************************** 2 * 3 * Name: aclocal.h - Internal data types used across the ACPI subsystem 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2008, 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 0x7F 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 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) 93 #ifdef DEFINE_ACPI_GLOBALS 94 95 /* Debug names for the mutexes above */ 96 97 static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = { 98 "ACPI_MTX_Interpreter", 99 "ACPI_MTX_Namespace", 100 "ACPI_MTX_Tables", 101 "ACPI_MTX_Events", 102 "ACPI_MTX_Caches", 103 "ACPI_MTX_Memory", 104 "ACPI_MTX_CommandComplete", 105 "ACPI_MTX_CommandReady" 106 }; 107 108 #endif 109 #endif 110 111 /* Lock structure for reader/writer interfaces */ 112 113 struct acpi_rw_lock { 114 acpi_mutex writer_mutex; 115 acpi_mutex reader_mutex; 116 u32 num_readers; 117 }; 118 119 /* 120 * Predefined handles for spinlocks used within the subsystem. 121 * These spinlocks are created by acpi_ut_mutex_initialize 122 */ 123 #define ACPI_LOCK_GPES 0 124 #define ACPI_LOCK_HARDWARE 1 125 126 #define ACPI_MAX_LOCK 1 127 #define ACPI_NUM_LOCK ACPI_MAX_LOCK+1 128 129 /* This Thread ID means that the mutex is not in use (unlocked) */ 130 131 #define ACPI_MUTEX_NOT_ACQUIRED (acpi_thread_id) 0 132 133 /* Table for the global mutexes */ 134 135 struct acpi_mutex_info { 136 acpi_mutex mutex; 137 u32 use_count; 138 acpi_thread_id thread_id; 139 }; 140 141 /* Lock flag parameter for various interfaces */ 142 143 #define ACPI_MTX_DO_NOT_LOCK 0 144 #define ACPI_MTX_LOCK 1 145 146 /* Field access granularities */ 147 148 #define ACPI_FIELD_BYTE_GRANULARITY 1 149 #define ACPI_FIELD_WORD_GRANULARITY 2 150 #define ACPI_FIELD_DWORD_GRANULARITY 4 151 #define ACPI_FIELD_QWORD_GRANULARITY 8 152 153 #define ACPI_ENTRY_NOT_FOUND NULL 154 155 /***************************************************************************** 156 * 157 * Namespace typedefs and structs 158 * 159 ****************************************************************************/ 160 161 /* Operational modes of the AML interpreter/scanner */ 162 163 typedef enum { 164 ACPI_IMODE_LOAD_PASS1 = 0x01, 165 ACPI_IMODE_LOAD_PASS2 = 0x02, 166 ACPI_IMODE_EXECUTE = 0x03 167 } acpi_interpreter_mode; 168 169 /* 170 * The Namespace Node describes a named object that appears in the AML. 171 * descriptor_type is used to differentiate between internal descriptors. 172 * 173 * The node is optimized for both 32-bit and 64-bit platforms: 174 * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case. 175 * 176 * Note: The descriptor_type and Type fields must appear in the identical 177 * position in both the struct acpi_namespace_node and union acpi_operand_object 178 * structures. 179 */ 180 struct acpi_namespace_node { 181 union acpi_operand_object *object; /* Interpreter object */ 182 u8 descriptor_type; /* Differentiate object descriptor types */ 183 u8 type; /* ACPI Type associated with this name */ 184 u8 flags; /* Miscellaneous flags */ 185 acpi_owner_id owner_id; /* Node creator */ 186 union acpi_name_union name; /* ACPI Name, always 4 chars per ACPI spec */ 187 struct acpi_namespace_node *child; /* First child */ 188 struct acpi_namespace_node *peer; /* Peer. Parent if ANOBJ_END_OF_PEER_LIST set */ 189 190 /* 191 * The following fields are used by the ASL compiler and disassembler only 192 */ 193 #ifdef ACPI_LARGE_NAMESPACE_NODE 194 union acpi_parse_object *op; 195 u32 value; 196 u32 length; 197 #endif 198 }; 199 200 /* Namespace Node flags */ 201 202 #define ANOBJ_END_OF_PEER_LIST 0x01 /* End-of-list, Peer field points to parent */ 203 #define ANOBJ_TEMPORARY 0x02 /* Node is create by a method and is temporary */ 204 #define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */ 205 #define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */ 206 #define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */ 207 #define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */ 208 #define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */ 209 210 #define ANOBJ_IS_EXTERNAL 0x08 /* i_aSL only: This object created via External() */ 211 #define ANOBJ_METHOD_NO_RETVAL 0x10 /* i_aSL only: Method has no return value */ 212 #define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* i_aSL only: Method has at least one return value */ 213 #define ANOBJ_IS_BIT_OFFSET 0x40 /* i_aSL only: Reference is a bit offset */ 214 #define ANOBJ_IS_REFERENCED 0x80 /* i_aSL only: Object was referenced */ 215 216 /* One internal RSDT for table management */ 217 218 struct acpi_internal_rsdt { 219 struct acpi_table_desc *tables; 220 u32 count; 221 u32 size; 222 u8 flags; 223 }; 224 225 /* Flags for above */ 226 227 #define ACPI_ROOT_ORIGIN_UNKNOWN (0) /* ~ORIGIN_ALLOCATED */ 228 #define ACPI_ROOT_ORIGIN_ALLOCATED (1) 229 #define ACPI_ROOT_ALLOW_RESIZE (2) 230 231 /* Predefined (fixed) table indexes */ 232 233 #define ACPI_TABLE_INDEX_DSDT (0) 234 #define ACPI_TABLE_INDEX_FACS (1) 235 236 struct acpi_find_context { 237 char *search_for; 238 acpi_handle *list; 239 u32 *count; 240 }; 241 242 struct acpi_ns_search_data { 243 struct acpi_namespace_node *node; 244 }; 245 246 /* Object types used during package copies */ 247 248 #define ACPI_COPY_TYPE_SIMPLE 0 249 #define ACPI_COPY_TYPE_PACKAGE 1 250 251 /* Info structure used to convert external<->internal namestrings */ 252 253 struct acpi_namestring_info { 254 const char *external_name; 255 const char *next_external_char; 256 char *internal_name; 257 u32 length; 258 u32 num_segments; 259 u32 num_carats; 260 u8 fully_qualified; 261 }; 262 263 /* Field creation info */ 264 265 struct acpi_create_field_info { 266 struct acpi_namespace_node *region_node; 267 struct acpi_namespace_node *field_node; 268 struct acpi_namespace_node *register_node; 269 struct acpi_namespace_node *data_register_node; 270 u32 bank_value; 271 u32 field_bit_position; 272 u32 field_bit_length; 273 u8 field_flags; 274 u8 attribute; 275 u8 field_type; 276 }; 277 278 typedef 279 acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state); 280 281 /* 282 * Bitmapped ACPI types. Used internally only 283 */ 284 #define ACPI_BTYPE_ANY 0x00000000 285 #define ACPI_BTYPE_INTEGER 0x00000001 286 #define ACPI_BTYPE_STRING 0x00000002 287 #define ACPI_BTYPE_BUFFER 0x00000004 288 #define ACPI_BTYPE_PACKAGE 0x00000008 289 #define ACPI_BTYPE_FIELD_UNIT 0x00000010 290 #define ACPI_BTYPE_DEVICE 0x00000020 291 #define ACPI_BTYPE_EVENT 0x00000040 292 #define ACPI_BTYPE_METHOD 0x00000080 293 #define ACPI_BTYPE_MUTEX 0x00000100 294 #define ACPI_BTYPE_REGION 0x00000200 295 #define ACPI_BTYPE_POWER 0x00000400 296 #define ACPI_BTYPE_PROCESSOR 0x00000800 297 #define ACPI_BTYPE_THERMAL 0x00001000 298 #define ACPI_BTYPE_BUFFER_FIELD 0x00002000 299 #define ACPI_BTYPE_DDB_HANDLE 0x00004000 300 #define ACPI_BTYPE_DEBUG_OBJECT 0x00008000 301 #define ACPI_BTYPE_REFERENCE 0x00010000 302 #define ACPI_BTYPE_RESOURCE 0x00020000 303 304 #define ACPI_BTYPE_COMPUTE_DATA (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER) 305 306 #define ACPI_BTYPE_DATA (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_PACKAGE) 307 #define ACPI_BTYPE_DATA_REFERENCE (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE) 308 #define ACPI_BTYPE_DEVICE_OBJECTS (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR) 309 #define ACPI_BTYPE_OBJECTS_AND_REFS 0x0001FFFF /* ARG or LOCAL */ 310 #define ACPI_BTYPE_ALL_OBJECTS 0x0000FFFF 311 312 /* 313 * Information structure for ACPI predefined names. 314 * Each entry in the table contains the following items: 315 * 316 * Name - The ACPI reserved name 317 * param_count - Number of arguments to the method 318 * expected_return_btypes - Allowed type(s) for the return value 319 */ 320 struct acpi_name_info { 321 char name[ACPI_NAME_SIZE]; 322 u8 param_count; 323 u8 expected_btypes; 324 }; 325 326 /* 327 * Secondary information structures for ACPI predefined objects that return 328 * package objects. This structure appears as the next entry in the table 329 * after the NAME_INFO structure above. 330 * 331 * The reason for this is to minimize the size of the predefined name table. 332 */ 333 334 /* 335 * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2, 336 * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT 337 */ 338 struct acpi_package_info { 339 u8 type; 340 u8 object_type1; 341 u8 count1; 342 u8 object_type2; 343 u8 count2; 344 u8 reserved; 345 }; 346 347 /* Used for ACPI_PTYPE2_FIXED */ 348 349 struct acpi_package_info2 { 350 u8 type; 351 u8 count; 352 u8 object_type[4]; 353 }; 354 355 /* Used for ACPI_PTYPE1_OPTION */ 356 357 struct acpi_package_info3 { 358 u8 type; 359 u8 count; 360 u8 object_type[2]; 361 u8 tail_object_type; 362 u8 reserved; 363 }; 364 365 union acpi_predefined_info { 366 struct acpi_name_info info; 367 struct acpi_package_info ret_info; 368 struct acpi_package_info2 ret_info2; 369 struct acpi_package_info3 ret_info3; 370 }; 371 372 /* Data block used during object validation */ 373 374 struct acpi_predefined_data { 375 char *pathname; 376 const union acpi_predefined_info *predefined; 377 u32 flags; 378 u8 node_flags; 379 }; 380 381 /* Defines for Flags field above */ 382 383 #define ACPI_OBJECT_REPAIRED 1 384 385 /* 386 * Bitmapped return value types 387 * Note: the actual data types must be contiguous, a loop in nspredef.c 388 * depends on this. 389 */ 390 #define ACPI_RTYPE_ANY 0x00 391 #define ACPI_RTYPE_NONE 0x01 392 #define ACPI_RTYPE_INTEGER 0x02 393 #define ACPI_RTYPE_STRING 0x04 394 #define ACPI_RTYPE_BUFFER 0x08 395 #define ACPI_RTYPE_PACKAGE 0x10 396 #define ACPI_RTYPE_REFERENCE 0x20 397 #define ACPI_RTYPE_ALL 0x3F 398 399 #define ACPI_NUM_RTYPES 5 /* Number of actual object types */ 400 401 /***************************************************************************** 402 * 403 * Event typedefs and structs 404 * 405 ****************************************************************************/ 406 407 /* Dispatch info for each GPE -- either a method or handler, cannot be both */ 408 409 struct acpi_handler_info { 410 acpi_event_handler address; /* Address of handler, if any */ 411 void *context; /* Context to be passed to handler */ 412 struct acpi_namespace_node *method_node; /* Method node for this GPE level (saved) */ 413 }; 414 415 union acpi_gpe_dispatch_info { 416 struct acpi_namespace_node *method_node; /* Method node for this GPE level */ 417 struct acpi_handler_info *handler; 418 }; 419 420 /* 421 * Information about a GPE, one per each GPE in an array. 422 * NOTE: Important to keep this struct as small as possible. 423 */ 424 struct acpi_gpe_event_info { 425 union acpi_gpe_dispatch_info dispatch; /* Either Method or Handler */ 426 struct acpi_gpe_register_info *register_info; /* Backpointer to register info */ 427 u8 flags; /* Misc info about this GPE */ 428 u8 gpe_number; /* This GPE */ 429 }; 430 431 /* Information about a GPE register pair, one per each status/enable pair in an array */ 432 433 struct acpi_gpe_register_info { 434 struct acpi_generic_address status_address; /* Address of status reg */ 435 struct acpi_generic_address enable_address; /* Address of enable reg */ 436 u8 enable_for_wake; /* GPEs to keep enabled when sleeping */ 437 u8 enable_for_run; /* GPEs to keep enabled when running */ 438 u8 base_gpe_number; /* Base GPE number for this register */ 439 }; 440 441 /* 442 * Information about a GPE register block, one per each installed block -- 443 * GPE0, GPE1, and one per each installed GPE Block Device. 444 */ 445 struct acpi_gpe_block_info { 446 struct acpi_namespace_node *node; 447 struct acpi_gpe_block_info *previous; 448 struct acpi_gpe_block_info *next; 449 struct acpi_gpe_xrupt_info *xrupt_block; /* Backpointer to interrupt block */ 450 struct acpi_gpe_register_info *register_info; /* One per GPE register pair */ 451 struct acpi_gpe_event_info *event_info; /* One for each GPE */ 452 struct acpi_generic_address block_address; /* Base address of the block */ 453 u32 register_count; /* Number of register pairs in block */ 454 u8 block_base_number; /* Base GPE number for this block */ 455 }; 456 457 /* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */ 458 459 struct acpi_gpe_xrupt_info { 460 struct acpi_gpe_xrupt_info *previous; 461 struct acpi_gpe_xrupt_info *next; 462 struct acpi_gpe_block_info *gpe_block_list_head; /* List of GPE blocks for this xrupt */ 463 u32 interrupt_number; /* System interrupt number */ 464 }; 465 466 struct acpi_gpe_walk_info { 467 struct acpi_namespace_node *gpe_device; 468 struct acpi_gpe_block_info *gpe_block; 469 }; 470 471 struct acpi_gpe_device_info { 472 u32 index; 473 u32 next_block_base_index; 474 acpi_status status; 475 struct acpi_namespace_node *gpe_device; 476 }; 477 478 typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *gpe_xrupt_info, 479 struct acpi_gpe_block_info *gpe_block, void *context); 480 481 /* Information about each particular fixed event */ 482 483 struct acpi_fixed_event_handler { 484 acpi_event_handler handler; /* Address of handler. */ 485 void *context; /* Context to be passed to handler */ 486 }; 487 488 struct acpi_fixed_event_info { 489 u8 status_register_id; 490 u8 enable_register_id; 491 u16 status_bit_mask; 492 u16 enable_bit_mask; 493 }; 494 495 /* Information used during field processing */ 496 497 struct acpi_field_info { 498 u8 skip_field; 499 u8 field_flag; 500 u32 pkg_length; 501 }; 502 503 /***************************************************************************** 504 * 505 * Generic "state" object for stacks 506 * 507 ****************************************************************************/ 508 509 #define ACPI_CONTROL_NORMAL 0xC0 510 #define ACPI_CONTROL_CONDITIONAL_EXECUTING 0xC1 511 #define ACPI_CONTROL_PREDICATE_EXECUTING 0xC2 512 #define ACPI_CONTROL_PREDICATE_FALSE 0xC3 513 #define ACPI_CONTROL_PREDICATE_TRUE 0xC4 514 515 #define ACPI_STATE_COMMON \ 516 void *next; \ 517 u8 descriptor_type; /* To differentiate various internal objs */\ 518 u8 flags; \ 519 u16 value; \ 520 u16 state; 521 522 /* There are 2 bytes available here until the next natural alignment boundary */ 523 524 struct acpi_common_state { 525 ACPI_STATE_COMMON}; 526 527 /* 528 * Update state - used to traverse complex objects such as packages 529 */ 530 struct acpi_update_state { 531 ACPI_STATE_COMMON union acpi_operand_object *object; 532 }; 533 534 /* 535 * Pkg state - used to traverse nested package structures 536 */ 537 struct acpi_pkg_state { 538 ACPI_STATE_COMMON u16 index; 539 union acpi_operand_object *source_object; 540 union acpi_operand_object *dest_object; 541 struct acpi_walk_state *walk_state; 542 void *this_target_obj; 543 u32 num_packages; 544 }; 545 546 /* 547 * Control state - one per if/else and while constructs. 548 * Allows nesting of these constructs 549 */ 550 struct acpi_control_state { 551 ACPI_STATE_COMMON u16 opcode; 552 union acpi_parse_object *predicate_op; 553 u8 *aml_predicate_start; /* Start of if/while predicate */ 554 u8 *package_end; /* End of if/while block */ 555 u32 loop_count; /* While() loop counter */ 556 }; 557 558 /* 559 * Scope state - current scope during namespace lookups 560 */ 561 struct acpi_scope_state { 562 ACPI_STATE_COMMON struct acpi_namespace_node *node; 563 }; 564 565 struct acpi_pscope_state { 566 ACPI_STATE_COMMON u32 arg_count; /* Number of fixed arguments */ 567 union acpi_parse_object *op; /* Current op being parsed */ 568 u8 *arg_end; /* Current argument end */ 569 u8 *pkg_end; /* Current package end */ 570 u32 arg_list; /* Next argument to parse */ 571 }; 572 573 /* 574 * Thread state - one per thread across multiple walk states. Multiple walk 575 * states are created when there are nested control methods executing. 576 */ 577 struct acpi_thread_state { 578 ACPI_STATE_COMMON u8 current_sync_level; /* Mutex Sync (nested acquire) level */ 579 struct acpi_walk_state *walk_state_list; /* Head of list of walk_states for this thread */ 580 union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */ 581 acpi_thread_id thread_id; /* Running thread ID */ 582 }; 583 584 /* 585 * Result values - used to accumulate the results of nested 586 * AML arguments 587 */ 588 struct acpi_result_values { 589 ACPI_STATE_COMMON 590 union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM]; 591 }; 592 593 typedef 594 acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state, 595 union acpi_parse_object ** out_op); 596 597 typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state); 598 599 /* 600 * Notify info - used to pass info to the deferred notify 601 * handler/dispatcher. 602 */ 603 struct acpi_notify_info { 604 ACPI_STATE_COMMON struct acpi_namespace_node *node; 605 union acpi_operand_object *handler_obj; 606 }; 607 608 /* Generic state is union of structs above */ 609 610 union acpi_generic_state { 611 struct acpi_common_state common; 612 struct acpi_control_state control; 613 struct acpi_update_state update; 614 struct acpi_scope_state scope; 615 struct acpi_pscope_state parse_scope; 616 struct acpi_pkg_state pkg; 617 struct acpi_thread_state thread; 618 struct acpi_result_values results; 619 struct acpi_notify_info notify; 620 }; 621 622 /***************************************************************************** 623 * 624 * Interpreter typedefs and structs 625 * 626 ****************************************************************************/ 627 628 typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state); 629 630 /***************************************************************************** 631 * 632 * Parser typedefs and structs 633 * 634 ****************************************************************************/ 635 636 /* 637 * AML opcode, name, and argument layout 638 */ 639 struct acpi_opcode_info { 640 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT) 641 char *name; /* Opcode name (disassembler/debug only) */ 642 #endif 643 u32 parse_args; /* Grammar/Parse time arguments */ 644 u32 runtime_args; /* Interpret time arguments */ 645 u16 flags; /* Misc flags */ 646 u8 object_type; /* Corresponding internal object type */ 647 u8 class; /* Opcode class */ 648 u8 type; /* Opcode type */ 649 }; 650 651 union acpi_parse_value { 652 acpi_integer integer; /* Integer constant (Up to 64 bits) */ 653 struct uint64_struct integer64; /* Structure overlay for 2 32-bit Dwords */ 654 u32 size; /* bytelist or field size */ 655 char *string; /* NULL terminated string */ 656 u8 *buffer; /* buffer or string */ 657 char *name; /* NULL terminated string */ 658 union acpi_parse_object *arg; /* arguments and contained ops */ 659 }; 660 661 #ifdef ACPI_DISASSEMBLER 662 #define ACPI_DISASM_ONLY_MEMBERS(a) a; 663 #else 664 #define ACPI_DISASM_ONLY_MEMBERS(a) 665 #endif 666 667 #define ACPI_PARSE_COMMON \ 668 union acpi_parse_object *parent; /* Parent op */\ 669 u8 descriptor_type; /* To differentiate various internal objs */\ 670 u8 flags; /* Type of Op */\ 671 u16 aml_opcode; /* AML opcode */\ 672 u32 aml_offset; /* Offset of declaration in AML */\ 673 union acpi_parse_object *next; /* Next op */\ 674 struct acpi_namespace_node *node; /* For use by interpreter */\ 675 union acpi_parse_value value; /* Value or args associated with the opcode */\ 676 u8 arg_list_length; /* Number of elements in the arg list */\ 677 ACPI_DISASM_ONLY_MEMBERS (\ 678 u8 disasm_flags; /* Used during AML disassembly */\ 679 u8 disasm_opcode; /* Subtype used for disassembly */\ 680 char aml_op_name[16]) /* Op name (debug only) */ 681 682 #define ACPI_DASM_BUFFER 0x00 683 #define ACPI_DASM_RESOURCE 0x01 684 #define ACPI_DASM_STRING 0x02 685 #define ACPI_DASM_UNICODE 0x03 686 #define ACPI_DASM_EISAID 0x04 687 #define ACPI_DASM_MATCHOP 0x05 688 #define ACPI_DASM_LNOT_PREFIX 0x06 689 #define ACPI_DASM_LNOT_SUFFIX 0x07 690 #define ACPI_DASM_IGNORE 0x08 691 692 /* 693 * Generic operation (for example: If, While, Store) 694 */ 695 struct acpi_parse_obj_common { 696 ACPI_PARSE_COMMON}; 697 698 /* 699 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions), 700 * and bytelists. 701 */ 702 struct acpi_parse_obj_named { 703 ACPI_PARSE_COMMON u8 *path; 704 u8 *data; /* AML body or bytelist data */ 705 u32 length; /* AML length */ 706 u32 name; /* 4-byte name or zero if no name */ 707 }; 708 709 /* This version is used by the i_aSL compiler only */ 710 711 #define ACPI_MAX_PARSEOP_NAME 20 712 713 struct acpi_parse_obj_asl { 714 ACPI_PARSE_COMMON union acpi_parse_object *child; 715 union acpi_parse_object *parent_method; 716 char *filename; 717 char *external_name; 718 char *namepath; 719 char name_seg[4]; 720 u32 extra_value; 721 u32 column; 722 u32 line_number; 723 u32 logical_line_number; 724 u32 logical_byte_offset; 725 u32 end_line; 726 u32 end_logical_line; 727 u32 acpi_btype; 728 u32 aml_length; 729 u32 aml_subtree_length; 730 u32 final_aml_length; 731 u32 final_aml_offset; 732 u32 compile_flags; 733 u16 parse_opcode; 734 u8 aml_opcode_length; 735 u8 aml_pkg_len_bytes; 736 u8 extra; 737 char parse_op_name[ACPI_MAX_PARSEOP_NAME]; 738 }; 739 740 union acpi_parse_object { 741 struct acpi_parse_obj_common common; 742 struct acpi_parse_obj_named named; 743 struct acpi_parse_obj_asl asl; 744 }; 745 746 /* 747 * Parse state - one state per parser invocation and each control 748 * method. 749 */ 750 struct acpi_parse_state { 751 u8 *aml_start; /* First AML byte */ 752 u8 *aml; /* Next AML byte */ 753 u8 *aml_end; /* (last + 1) AML byte */ 754 u8 *pkg_start; /* Current package begin */ 755 u8 *pkg_end; /* Current package end */ 756 union acpi_parse_object *start_op; /* Root of parse tree */ 757 struct acpi_namespace_node *start_node; 758 union acpi_generic_state *scope; /* Current scope */ 759 union acpi_parse_object *start_scope; 760 u32 aml_size; 761 }; 762 763 /* Parse object flags */ 764 765 #define ACPI_PARSEOP_GENERIC 0x01 766 #define ACPI_PARSEOP_NAMED 0x02 767 #define ACPI_PARSEOP_DEFERRED 0x04 768 #define ACPI_PARSEOP_BYTELIST 0x08 769 #define ACPI_PARSEOP_IN_STACK 0x10 770 #define ACPI_PARSEOP_TARGET 0x20 771 #define ACPI_PARSEOP_IN_CACHE 0x80 772 773 /* Parse object disasm_flags */ 774 775 #define ACPI_PARSEOP_IGNORE 0x01 776 #define ACPI_PARSEOP_PARAMLIST 0x02 777 #define ACPI_PARSEOP_EMPTY_TERMLIST 0x04 778 #define ACPI_PARSEOP_SPECIAL 0x10 779 780 /***************************************************************************** 781 * 782 * Hardware (ACPI registers) and PNP 783 * 784 ****************************************************************************/ 785 786 struct acpi_bit_register_info { 787 u8 parent_register; 788 u8 bit_position; 789 u16 access_bit_mask; 790 }; 791 792 /* 793 * Some ACPI registers have bits that must be ignored -- meaning that they 794 * must be preserved. 795 */ 796 #define ACPI_PM1_STATUS_PRESERVED_BITS 0x0800 /* Bit 11 */ 797 798 /* Write-only bits must be zeroed by software */ 799 800 #define ACPI_PM1_CONTROL_WRITEONLY_BITS 0x2004 /* Bits 13, 2 */ 801 802 /* For control registers, both ignored and reserved bits must be preserved */ 803 804 /* 805 * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the 806 * ACPI specification to be a "preserved" bit - "OSPM always preserves this 807 * bit position", section 4.7.3.2.1. However, on some machines the OS must 808 * write a one to this bit after resume for the machine to work properly. 809 * To enable this, we no longer attempt to preserve this bit. No machines 810 * are known to fail if the bit is not preserved. (May 2009) 811 */ 812 #define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bit 9 */ 813 #define ACPI_PM1_CONTROL_RESERVED_BITS 0xC1F8 /* Bits 14-15, 3-8 */ 814 #define ACPI_PM1_CONTROL_PRESERVED_BITS \ 815 (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS) 816 817 #define ACPI_PM2_CONTROL_PRESERVED_BITS 0xFFFFFFFE /* All except bit 0 */ 818 819 /* 820 * Register IDs 821 * These are the full ACPI registers 822 */ 823 #define ACPI_REGISTER_PM1_STATUS 0x01 824 #define ACPI_REGISTER_PM1_ENABLE 0x02 825 #define ACPI_REGISTER_PM1_CONTROL 0x03 826 #define ACPI_REGISTER_PM2_CONTROL 0x04 827 #define ACPI_REGISTER_PM_TIMER 0x05 828 #define ACPI_REGISTER_PROCESSOR_BLOCK 0x06 829 #define ACPI_REGISTER_SMI_COMMAND_BLOCK 0x07 830 831 /* Masks used to access the bit_registers */ 832 833 #define ACPI_BITMASK_TIMER_STATUS 0x0001 834 #define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010 835 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020 836 #define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100 837 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200 838 #define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400 839 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */ 840 #define ACPI_BITMASK_WAKE_STATUS 0x8000 841 842 #define ACPI_BITMASK_ALL_FIXED_STATUS (\ 843 ACPI_BITMASK_TIMER_STATUS | \ 844 ACPI_BITMASK_BUS_MASTER_STATUS | \ 845 ACPI_BITMASK_GLOBAL_LOCK_STATUS | \ 846 ACPI_BITMASK_POWER_BUTTON_STATUS | \ 847 ACPI_BITMASK_SLEEP_BUTTON_STATUS | \ 848 ACPI_BITMASK_RT_CLOCK_STATUS | \ 849 ACPI_BITMASK_WAKE_STATUS) 850 851 #define ACPI_BITMASK_TIMER_ENABLE 0x0001 852 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020 853 #define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100 854 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200 855 #define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400 856 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */ 857 858 #define ACPI_BITMASK_SCI_ENABLE 0x0001 859 #define ACPI_BITMASK_BUS_MASTER_RLD 0x0002 860 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004 861 #define ACPI_BITMASK_SLEEP_TYPE 0x1C00 862 #define ACPI_BITMASK_SLEEP_ENABLE 0x2000 863 864 #define ACPI_BITMASK_ARB_DISABLE 0x0001 865 866 /* Raw bit position of each bit_register */ 867 868 #define ACPI_BITPOSITION_TIMER_STATUS 0x00 869 #define ACPI_BITPOSITION_BUS_MASTER_STATUS 0x04 870 #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS 0x05 871 #define ACPI_BITPOSITION_POWER_BUTTON_STATUS 0x08 872 #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS 0x09 873 #define ACPI_BITPOSITION_RT_CLOCK_STATUS 0x0A 874 #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS 0x0E /* ACPI 3.0 */ 875 #define ACPI_BITPOSITION_WAKE_STATUS 0x0F 876 877 #define ACPI_BITPOSITION_TIMER_ENABLE 0x00 878 #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE 0x05 879 #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE 0x08 880 #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE 0x09 881 #define ACPI_BITPOSITION_RT_CLOCK_ENABLE 0x0A 882 #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE 0x0E /* ACPI 3.0 */ 883 884 #define ACPI_BITPOSITION_SCI_ENABLE 0x00 885 #define ACPI_BITPOSITION_BUS_MASTER_RLD 0x01 886 #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE 0x02 887 #define ACPI_BITPOSITION_SLEEP_TYPE 0x0A 888 #define ACPI_BITPOSITION_SLEEP_ENABLE 0x0D 889 890 #define ACPI_BITPOSITION_ARB_DISABLE 0x00 891 892 /* Structs and definitions for _OSI support and I/O port validation */ 893 894 #define ACPI_OSI_WIN_2000 0x01 895 #define ACPI_OSI_WIN_XP 0x02 896 #define ACPI_OSI_WIN_XP_SP1 0x03 897 #define ACPI_OSI_WINSRV_2003 0x04 898 #define ACPI_OSI_WIN_XP_SP2 0x05 899 #define ACPI_OSI_WINSRV_2003_SP1 0x06 900 #define ACPI_OSI_WIN_VISTA 0x07 901 #define ACPI_OSI_WINSRV_2008 0x08 902 #define ACPI_OSI_WIN_VISTA_SP1 0x09 903 #define ACPI_OSI_WIN_7 0x0A 904 905 #define ACPI_ALWAYS_ILLEGAL 0x00 906 907 struct acpi_interface_info { 908 char *name; 909 u8 value; 910 }; 911 912 struct acpi_port_info { 913 char *name; 914 u16 start; 915 u16 end; 916 u8 osi_dependency; 917 }; 918 919 /***************************************************************************** 920 * 921 * Resource descriptors 922 * 923 ****************************************************************************/ 924 925 /* resource_type values */ 926 927 #define ACPI_ADDRESS_TYPE_MEMORY_RANGE 0 928 #define ACPI_ADDRESS_TYPE_IO_RANGE 1 929 #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE 2 930 931 /* Resource descriptor types and masks */ 932 933 #define ACPI_RESOURCE_NAME_LARGE 0x80 934 #define ACPI_RESOURCE_NAME_SMALL 0x00 935 936 #define ACPI_RESOURCE_NAME_SMALL_MASK 0x78 /* Bits 6:3 contain the type */ 937 #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK 0x07 /* Bits 2:0 contain the length */ 938 #define ACPI_RESOURCE_NAME_LARGE_MASK 0x7F /* Bits 6:0 contain the type */ 939 940 /* 941 * Small resource descriptor "names" as defined by the ACPI specification. 942 * Note: Bits 2:0 are used for the descriptor length 943 */ 944 #define ACPI_RESOURCE_NAME_IRQ 0x20 945 #define ACPI_RESOURCE_NAME_DMA 0x28 946 #define ACPI_RESOURCE_NAME_START_DEPENDENT 0x30 947 #define ACPI_RESOURCE_NAME_END_DEPENDENT 0x38 948 #define ACPI_RESOURCE_NAME_IO 0x40 949 #define ACPI_RESOURCE_NAME_FIXED_IO 0x48 950 #define ACPI_RESOURCE_NAME_RESERVED_S1 0x50 951 #define ACPI_RESOURCE_NAME_RESERVED_S2 0x58 952 #define ACPI_RESOURCE_NAME_RESERVED_S3 0x60 953 #define ACPI_RESOURCE_NAME_RESERVED_S4 0x68 954 #define ACPI_RESOURCE_NAME_VENDOR_SMALL 0x70 955 #define ACPI_RESOURCE_NAME_END_TAG 0x78 956 957 /* 958 * Large resource descriptor "names" as defined by the ACPI specification. 959 * Note: includes the Large Descriptor bit in bit[7] 960 */ 961 #define ACPI_RESOURCE_NAME_MEMORY24 0x81 962 #define ACPI_RESOURCE_NAME_GENERIC_REGISTER 0x82 963 #define ACPI_RESOURCE_NAME_RESERVED_L1 0x83 964 #define ACPI_RESOURCE_NAME_VENDOR_LARGE 0x84 965 #define ACPI_RESOURCE_NAME_MEMORY32 0x85 966 #define ACPI_RESOURCE_NAME_FIXED_MEMORY32 0x86 967 #define ACPI_RESOURCE_NAME_ADDRESS32 0x87 968 #define ACPI_RESOURCE_NAME_ADDRESS16 0x88 969 #define ACPI_RESOURCE_NAME_EXTENDED_IRQ 0x89 970 #define ACPI_RESOURCE_NAME_ADDRESS64 0x8A 971 #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 0x8B 972 #define ACPI_RESOURCE_NAME_LARGE_MAX 0x8B 973 974 /***************************************************************************** 975 * 976 * Miscellaneous 977 * 978 ****************************************************************************/ 979 980 #define ACPI_ASCII_ZERO 0x30 981 982 /***************************************************************************** 983 * 984 * Debugger 985 * 986 ****************************************************************************/ 987 988 struct acpi_db_method_info { 989 acpi_handle main_thread_gate; 990 acpi_handle thread_complete_gate; 991 u32 *threads; 992 u32 num_threads; 993 u32 num_created; 994 u32 num_completed; 995 996 char *name; 997 u32 flags; 998 u32 num_loops; 999 char pathname[128]; 1000 char **args; 1001 1002 /* 1003 * Arguments to be passed to method for the command 1004 * Threads - 1005 * the Number of threads, ID of current thread and 1006 * Index of current thread inside all them created. 1007 */ 1008 char init_args; 1009 char *arguments[4]; 1010 char num_threads_str[11]; 1011 char id_of_thread_str[11]; 1012 char index_of_thread_str[11]; 1013 }; 1014 1015 struct acpi_integrity_info { 1016 u32 nodes; 1017 u32 objects; 1018 }; 1019 1020 #define ACPI_DB_REDIRECTABLE_OUTPUT 0x01 1021 #define ACPI_DB_CONSOLE_OUTPUT 0x02 1022 #define ACPI_DB_DUPLICATE_OUTPUT 0x03 1023 1024 /***************************************************************************** 1025 * 1026 * Debug 1027 * 1028 ****************************************************************************/ 1029 1030 /* Entry for a memory allocation (debug only) */ 1031 1032 #define ACPI_MEM_MALLOC 0 1033 #define ACPI_MEM_CALLOC 1 1034 #define ACPI_MAX_MODULE_NAME 16 1035 1036 #define ACPI_COMMON_DEBUG_MEM_HEADER \ 1037 struct acpi_debug_mem_block *previous; \ 1038 struct acpi_debug_mem_block *next; \ 1039 u32 size; \ 1040 u32 component; \ 1041 u32 line; \ 1042 char module[ACPI_MAX_MODULE_NAME]; \ 1043 u8 alloc_type; 1044 1045 struct acpi_debug_mem_header { 1046 ACPI_COMMON_DEBUG_MEM_HEADER}; 1047 1048 struct acpi_debug_mem_block { 1049 ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space; 1050 }; 1051 1052 #define ACPI_MEM_LIST_GLOBAL 0 1053 #define ACPI_MEM_LIST_NSNODE 1 1054 #define ACPI_MEM_LIST_MAX 1 1055 #define ACPI_NUM_MEM_LISTS 2 1056 1057 #endif /* __ACLOCAL_H__ */ 1058