linux/drivers/acpi/acpica/aclocal.h
<<
>>
Prefs
   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
  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                 0x81
  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/* Lock structure for reader/writer interfaces */
  93
  94struct 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
 116struct 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
 144typedef 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 */
 161struct 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
 199struct 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
 217struct acpi_find_context {
 218        char *search_for;
 219        acpi_handle *list;
 220        u32 *count;
 221};
 222
 223struct 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
 234struct 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
 246struct 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
 263typedef
 264acpi_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 */
 307struct 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 */
 326struct 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
 337struct 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
 346struct acpi_package_info3 {
 347        u8 type;
 348        u8 count;
 349        u8 object_type[2];
 350        u8 tail_object_type;
 351        u16 reserved;
 352};
 353
 354union 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
 367typedef acpi_status(*acpi_object_converter) (union acpi_operand_object
 368                                             *original_object,
 369                                             union acpi_operand_object
 370                                             **converted_object);
 371
 372struct 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
 403struct 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
 413struct 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 */
 422union 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 */
 432struct 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
 442struct 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 */
 454struct 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
 470struct 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
 477struct 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
 485struct 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
 492typedef 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
 499struct acpi_fixed_event_handler {
 500        acpi_event_handler handler;     /* Address of handler. */
 501        void *context;          /* Context to be passed to handler */
 502};
 503
 504struct 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
 513struct 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
 540struct acpi_common_state {
 541ACPI_STATE_COMMON};
 542
 543/*
 544 * Update state - used to traverse complex objects such as packages
 545 */
 546struct 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 */
 553struct 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 */
 566struct 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 */
 577struct acpi_scope_state {
 578        ACPI_STATE_COMMON struct acpi_namespace_node *node;
 579};
 580
 581struct 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 */
 593struct 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 */
 604struct acpi_result_values {
 605        ACPI_STATE_COMMON
 606            union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
 607};
 608
 609typedef
 610acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
 611                                    union acpi_parse_object ** out_op);
 612
 613typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
 614
 615/* Global handlers for AML Notifies */
 616
 617struct 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 */
 626struct 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
 635union 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
 653typedef acpi_status(*acpi_execute_op) (struct acpi_walk_state * walk_state);
 654
 655/* Address Range info block */
 656
 657struct 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 */
 673struct 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
 687union 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_HID_STRING            0x09    /* String is a _HID or _CID */
 729#define ACPI_DASM_IGNORE                0x0A    /* Not used at this time */
 730
 731/*
 732 * Generic operation (for example:  If, While, Store)
 733 */
 734struct acpi_parse_obj_common {
 735ACPI_PARSE_COMMON};
 736
 737/*
 738 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
 739 * and bytelists.
 740 */
 741struct acpi_parse_obj_named {
 742        ACPI_PARSE_COMMON u8 *path;
 743        u8 *data;               /* AML body or bytelist data */
 744        u32 length;             /* AML length */
 745        u32 name;               /* 4-byte name or zero if no name */
 746};
 747
 748/* This version is used by the iASL compiler only */
 749
 750#define ACPI_MAX_PARSEOP_NAME   20
 751
 752struct acpi_parse_obj_asl {
 753        ACPI_PARSE_COMMON union acpi_parse_object *child;
 754        union acpi_parse_object *parent_method;
 755        char *filename;
 756        char *external_name;
 757        char *namepath;
 758        char name_seg[4];
 759        u32 extra_value;
 760        u32 column;
 761        u32 line_number;
 762        u32 logical_line_number;
 763        u32 logical_byte_offset;
 764        u32 end_line;
 765        u32 end_logical_line;
 766        u32 acpi_btype;
 767        u32 aml_length;
 768        u32 aml_subtree_length;
 769        u32 final_aml_length;
 770        u32 final_aml_offset;
 771        u32 compile_flags;
 772        u16 parse_opcode;
 773        u8 aml_opcode_length;
 774        u8 aml_pkg_len_bytes;
 775        u8 extra;
 776        char parse_op_name[ACPI_MAX_PARSEOP_NAME];
 777};
 778
 779union acpi_parse_object {
 780        struct acpi_parse_obj_common common;
 781        struct acpi_parse_obj_named named;
 782        struct acpi_parse_obj_asl asl;
 783};
 784
 785/*
 786 * Parse state - one state per parser invocation and each control
 787 * method.
 788 */
 789struct acpi_parse_state {
 790        u8 *aml_start;          /* First AML byte */
 791        u8 *aml;                /* Next AML byte */
 792        u8 *aml_end;            /* (last + 1) AML byte */
 793        u8 *pkg_start;          /* Current package begin */
 794        u8 *pkg_end;            /* Current package end */
 795        union acpi_parse_object *start_op;      /* Root of parse tree */
 796        struct acpi_namespace_node *start_node;
 797        union acpi_generic_state *scope;        /* Current scope */
 798        union acpi_parse_object *start_scope;
 799        u32 aml_size;
 800};
 801
 802/* Parse object flags */
 803
 804#define ACPI_PARSEOP_GENERIC            0x01
 805#define ACPI_PARSEOP_NAMED              0x02
 806#define ACPI_PARSEOP_DEFERRED           0x04
 807#define ACPI_PARSEOP_BYTELIST           0x08
 808#define ACPI_PARSEOP_IN_STACK           0x10
 809#define ACPI_PARSEOP_TARGET             0x20
 810#define ACPI_PARSEOP_IN_CACHE           0x80
 811
 812/* Parse object disasm_flags */
 813
 814#define ACPI_PARSEOP_IGNORE             0x01
 815#define ACPI_PARSEOP_PARAMLIST          0x02
 816#define ACPI_PARSEOP_EMPTY_TERMLIST     0x04
 817#define ACPI_PARSEOP_PREDEF_CHECKED     0x08
 818#define ACPI_PARSEOP_SPECIAL            0x10
 819
 820/*****************************************************************************
 821 *
 822 * Hardware (ACPI registers) and PNP
 823 *
 824 ****************************************************************************/
 825
 826struct acpi_bit_register_info {
 827        u8 parent_register;
 828        u8 bit_position;
 829        u16 access_bit_mask;
 830};
 831
 832/*
 833 * Some ACPI registers have bits that must be ignored -- meaning that they
 834 * must be preserved.
 835 */
 836#define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800  /* Bit 11 */
 837
 838/* Write-only bits must be zeroed by software */
 839
 840#define ACPI_PM1_CONTROL_WRITEONLY_BITS         0x2004  /* Bits 13, 2 */
 841
 842/* For control registers, both ignored and reserved bits must be preserved */
 843
 844/*
 845 * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the
 846 * ACPI specification to be a "preserved" bit - "OSPM always preserves this
 847 * bit position", section 4.7.3.2.1. However, on some machines the OS must
 848 * write a one to this bit after resume for the machine to work properly.
 849 * To enable this, we no longer attempt to preserve this bit. No machines
 850 * are known to fail if the bit is not preserved. (May 2009)
 851 */
 852#define ACPI_PM1_CONTROL_IGNORED_BITS           0x0200  /* Bit 9 */
 853#define ACPI_PM1_CONTROL_RESERVED_BITS          0xC1F8  /* Bits 14-15, 3-8 */
 854#define ACPI_PM1_CONTROL_PRESERVED_BITS \
 855               (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
 856
 857#define ACPI_PM2_CONTROL_PRESERVED_BITS         0xFFFFFFFE      /* All except bit 0 */
 858
 859/*
 860 * Register IDs
 861 * These are the full ACPI registers
 862 */
 863#define ACPI_REGISTER_PM1_STATUS                0x01
 864#define ACPI_REGISTER_PM1_ENABLE                0x02
 865#define ACPI_REGISTER_PM1_CONTROL               0x03
 866#define ACPI_REGISTER_PM2_CONTROL               0x04
 867#define ACPI_REGISTER_PM_TIMER                  0x05
 868#define ACPI_REGISTER_PROCESSOR_BLOCK           0x06
 869#define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x07
 870
 871/* Masks used to access the bit_registers */
 872
 873#define ACPI_BITMASK_TIMER_STATUS               0x0001
 874#define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
 875#define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
 876#define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
 877#define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
 878#define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
 879#define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000  /* ACPI 3.0 */
 880#define ACPI_BITMASK_WAKE_STATUS                0x8000
 881
 882#define ACPI_BITMASK_ALL_FIXED_STATUS           (\
 883        ACPI_BITMASK_TIMER_STATUS          | \
 884        ACPI_BITMASK_BUS_MASTER_STATUS     | \
 885        ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
 886        ACPI_BITMASK_POWER_BUTTON_STATUS   | \
 887        ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
 888        ACPI_BITMASK_RT_CLOCK_STATUS       | \
 889        ACPI_BITMASK_PCIEXP_WAKE_STATUS    | \
 890        ACPI_BITMASK_WAKE_STATUS)
 891
 892#define ACPI_BITMASK_TIMER_ENABLE               0x0001
 893#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
 894#define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
 895#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
 896#define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
 897#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000  /* ACPI 3.0 */
 898
 899#define ACPI_BITMASK_SCI_ENABLE                 0x0001
 900#define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
 901#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
 902#define ACPI_BITMASK_SLEEP_TYPE                 0x1C00
 903#define ACPI_BITMASK_SLEEP_ENABLE               0x2000
 904
 905#define ACPI_BITMASK_ARB_DISABLE                0x0001
 906
 907/* Raw bit position of each bit_register */
 908
 909#define ACPI_BITPOSITION_TIMER_STATUS           0x00
 910#define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
 911#define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
 912#define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
 913#define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
 914#define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
 915#define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E    /* ACPI 3.0 */
 916#define ACPI_BITPOSITION_WAKE_STATUS            0x0F
 917
 918#define ACPI_BITPOSITION_TIMER_ENABLE           0x00
 919#define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
 920#define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
 921#define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
 922#define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
 923#define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E    /* ACPI 3.0 */
 924
 925#define ACPI_BITPOSITION_SCI_ENABLE             0x00
 926#define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
 927#define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
 928#define ACPI_BITPOSITION_SLEEP_TYPE             0x0A
 929#define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
 930
 931#define ACPI_BITPOSITION_ARB_DISABLE            0x00
 932
 933/* Structs and definitions for _OSI support and I/O port validation */
 934
 935#define ACPI_ALWAYS_ILLEGAL             0x00
 936
 937struct acpi_interface_info {
 938        char *name;
 939        struct acpi_interface_info *next;
 940        u8 flags;
 941        u8 value;
 942};
 943
 944#define ACPI_OSI_INVALID                0x01
 945#define ACPI_OSI_DYNAMIC                0x02
 946
 947struct acpi_port_info {
 948        char *name;
 949        u16 start;
 950        u16 end;
 951        u8 osi_dependency;
 952};
 953
 954/*****************************************************************************
 955 *
 956 * Resource descriptors
 957 *
 958 ****************************************************************************/
 959
 960/* resource_type values */
 961
 962#define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
 963#define ACPI_ADDRESS_TYPE_IO_RANGE              1
 964#define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
 965
 966/* Resource descriptor types and masks */
 967
 968#define ACPI_RESOURCE_NAME_LARGE                0x80
 969#define ACPI_RESOURCE_NAME_SMALL                0x00
 970
 971#define ACPI_RESOURCE_NAME_SMALL_MASK           0x78    /* Bits 6:3 contain the type */
 972#define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07    /* Bits 2:0 contain the length */
 973#define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F    /* Bits 6:0 contain the type */
 974
 975/*
 976 * Small resource descriptor "names" as defined by the ACPI specification.
 977 * Note: Bits 2:0 are used for the descriptor length
 978 */
 979#define ACPI_RESOURCE_NAME_IRQ                  0x20
 980#define ACPI_RESOURCE_NAME_DMA                  0x28
 981#define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
 982#define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
 983#define ACPI_RESOURCE_NAME_IO                   0x40
 984#define ACPI_RESOURCE_NAME_FIXED_IO             0x48
 985#define ACPI_RESOURCE_NAME_FIXED_DMA            0x50
 986#define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
 987#define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
 988#define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
 989#define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
 990#define ACPI_RESOURCE_NAME_END_TAG              0x78
 991
 992/*
 993 * Large resource descriptor "names" as defined by the ACPI specification.
 994 * Note: includes the Large Descriptor bit in bit[7]
 995 */
 996#define ACPI_RESOURCE_NAME_MEMORY24             0x81
 997#define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
 998#define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
 999#define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
1000#define ACPI_RESOURCE_NAME_MEMORY32             0x85
1001#define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
1002#define ACPI_RESOURCE_NAME_ADDRESS32            0x87
1003#define ACPI_RESOURCE_NAME_ADDRESS16            0x88
1004#define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
1005#define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
1006#define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
1007#define ACPI_RESOURCE_NAME_GPIO                 0x8C
1008#define ACPI_RESOURCE_NAME_SERIAL_BUS           0x8E
1009#define ACPI_RESOURCE_NAME_LARGE_MAX            0x8E
1010
1011/*****************************************************************************
1012 *
1013 * Miscellaneous
1014 *
1015 ****************************************************************************/
1016
1017#define ACPI_ASCII_ZERO                 0x30
1018
1019/*****************************************************************************
1020 *
1021 * Disassembler
1022 *
1023 ****************************************************************************/
1024
1025struct acpi_external_list {
1026        char *path;
1027        char *internal_path;
1028        struct acpi_external_list *next;
1029        u32 value;
1030        u16 length;
1031        u8 type;
1032        u8 flags;
1033        u8 resolved;
1034};
1035
1036/* Values for Flags field above */
1037
1038#define ACPI_IPATH_ALLOCATED    0x01
1039
1040struct acpi_external_file {
1041        char *path;
1042        struct acpi_external_file *next;
1043};
1044
1045/*****************************************************************************
1046 *
1047 * Debugger
1048 *
1049 ****************************************************************************/
1050
1051struct acpi_db_method_info {
1052        acpi_handle method;
1053        acpi_handle main_thread_gate;
1054        acpi_handle thread_complete_gate;
1055        acpi_handle info_gate;
1056        acpi_thread_id *threads;
1057        u32 num_threads;
1058        u32 num_created;
1059        u32 num_completed;
1060
1061        char *name;
1062        u32 flags;
1063        u32 num_loops;
1064        char pathname[128];
1065        char **args;
1066        acpi_object_type *types;
1067
1068        /*
1069         * Arguments to be passed to method for the command
1070         * Threads -
1071         *   the Number of threads, ID of current thread and
1072         *   Index of current thread inside all them created.
1073         */
1074        char init_args;
1075        char *arguments[4];
1076        char num_threads_str[11];
1077        char id_of_thread_str[11];
1078        char index_of_thread_str[11];
1079};
1080
1081struct acpi_integrity_info {
1082        u32 nodes;
1083        u32 objects;
1084};
1085
1086#define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
1087#define ACPI_DB_CONSOLE_OUTPUT          0x02
1088#define ACPI_DB_DUPLICATE_OUTPUT        0x03
1089
1090/*****************************************************************************
1091 *
1092 * Debug
1093 *
1094 ****************************************************************************/
1095
1096/* Entry for a memory allocation (debug only) */
1097
1098#define ACPI_MEM_MALLOC                 0
1099#define ACPI_MEM_CALLOC                 1
1100#define ACPI_MAX_MODULE_NAME            16
1101
1102#define ACPI_COMMON_DEBUG_MEM_HEADER \
1103        struct acpi_debug_mem_block     *previous; \
1104        struct acpi_debug_mem_block     *next; \
1105        u32                             size; \
1106        u32                             component; \
1107        u32                             line; \
1108        char                            module[ACPI_MAX_MODULE_NAME]; \
1109        u8                              alloc_type;
1110
1111struct acpi_debug_mem_header {
1112ACPI_COMMON_DEBUG_MEM_HEADER};
1113
1114struct acpi_debug_mem_block {
1115        ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
1116};
1117
1118#define ACPI_MEM_LIST_GLOBAL            0
1119#define ACPI_MEM_LIST_NSNODE            1
1120#define ACPI_MEM_LIST_MAX               1
1121#define ACPI_NUM_MEM_LISTS              2
1122
1123/*****************************************************************************
1124 *
1125 * Info/help support
1126 *
1127 ****************************************************************************/
1128
1129struct ah_predefined_name {
1130        char *name;
1131        char *description;
1132#ifndef ACPI_ASL_COMPILER
1133        char *action;
1134#endif
1135};
1136
1137struct ah_device_id {
1138        char *name;
1139        char *description;
1140};
1141
1142struct ah_uuid {
1143        char *description;
1144        char *string;
1145};
1146
1147#endif                          /* __ACLOCAL_H__ */
1148