linux/drivers/acpi/acpica/aclocal.h
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   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
  51typedef 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
  60struct acpi_walk_state;
  61struct acpi_obj_mutex;
  62union 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
  97static 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
 113struct 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
 135struct 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
 163typedef 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 */
 180struct 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
 218struct 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
 236struct acpi_find_context {
 237        char *search_for;
 238        acpi_handle *list;
 239        u32 *count;
 240};
 241
 242struct 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
 253struct 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
 265struct 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
 278typedef
 279acpi_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 */
 320struct 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 */
 338struct 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
 349struct acpi_package_info2 {
 350        u8 type;
 351        u8 count;
 352        u8 object_type[4];
 353};
 354
 355/* Used for ACPI_PTYPE1_OPTION */
 356
 357struct acpi_package_info3 {
 358        u8 type;
 359        u8 count;
 360        u8 object_type[2];
 361        u8 tail_object_type;
 362        u8 reserved;
 363};
 364
 365union 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
 374struct 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
 409struct 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
 415union 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 */
 424struct 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
 433struct 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 */
 445struct 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
 459struct 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
 466struct acpi_gpe_walk_info {
 467        struct acpi_namespace_node *gpe_device;
 468        struct acpi_gpe_block_info *gpe_block;
 469};
 470
 471struct 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
 478typedef 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
 483struct acpi_fixed_event_handler {
 484        acpi_event_handler handler;     /* Address of handler. */
 485        void *context;          /* Context to be passed to handler */
 486};
 487
 488struct 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
 497struct 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
 524struct acpi_common_state {
 525ACPI_STATE_COMMON};
 526
 527/*
 528 * Update state - used to traverse complex objects such as packages
 529 */
 530struct 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 */
 537struct 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 */
 550struct 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 */
 561struct acpi_scope_state {
 562        ACPI_STATE_COMMON struct acpi_namespace_node *node;
 563};
 564
 565struct 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 */
 577struct 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 */
 588struct acpi_result_values {
 589        ACPI_STATE_COMMON
 590            union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
 591};
 592
 593typedef
 594acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
 595                                    union acpi_parse_object ** out_op);
 596
 597typedef 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 */
 603struct 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
 610union 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
 628typedef 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 */
 639struct 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
 651union 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 */
 695struct acpi_parse_obj_common {
 696ACPI_PARSE_COMMON};
 697
 698/*
 699 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
 700 * and bytelists.
 701 */
 702struct 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
 713struct 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
 740union 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 */
 750struct 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
 786struct 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
 907struct acpi_interface_info {
 908        char *name;
 909        u8 value;
 910};
 911
 912struct 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
 988struct 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
1015struct 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
1045struct acpi_debug_mem_header {
1046ACPI_COMMON_DEBUG_MEM_HEADER};
1047
1048struct 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