linux/include/acpi/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 - 2007, R. Byron Moore
   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_WAIT_FOREVER               0xFFFF  /* u16, as per ACPI spec */
  50#define ACPI_DO_NOT_WAIT                0
  51#define ACPI_SERIALIZED                 0xFF
  52
  53typedef u32 acpi_mutex_handle;
  54#define ACPI_GLOBAL_LOCK                (acpi_semaphore) (-1)
  55
  56/* Total number of aml opcodes defined */
  57
  58#define AML_NUM_OPCODES                 0x7F
  59
  60/* Forward declarations */
  61
  62struct acpi_walk_state;
  63struct acpi_obj_mutex;
  64union acpi_parse_object;
  65
  66/*****************************************************************************
  67 *
  68 * Mutex typedefs and structs
  69 *
  70 ****************************************************************************/
  71
  72/*
  73 * Predefined handles for the mutex objects used within the subsystem
  74 * All mutex objects are automatically created by acpi_ut_mutex_initialize.
  75 *
  76 * The acquire/release ordering protocol is implied via this list. Mutexes
  77 * with a lower value must be acquired before mutexes with a higher value.
  78 *
  79 * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names
  80 * table below also!
  81 */
  82#define ACPI_MTX_INTERPRETER            0       /* AML Interpreter, main lock */
  83#define ACPI_MTX_NAMESPACE              1       /* ACPI Namespace */
  84#define ACPI_MTX_TABLES                 2       /* Data for ACPI tables */
  85#define ACPI_MTX_EVENTS                 3       /* Data for ACPI events */
  86#define ACPI_MTX_CACHES                 4       /* Internal caches, general purposes */
  87#define ACPI_MTX_MEMORY                 5       /* Debug memory tracking lists */
  88#define ACPI_MTX_DEBUG_CMD_COMPLETE     6       /* AML debugger */
  89#define ACPI_MTX_DEBUG_CMD_READY        7       /* AML debugger */
  90
  91#define ACPI_MAX_MUTEX                  7
  92#define ACPI_NUM_MUTEX                  ACPI_MAX_MUTEX+1
  93
  94#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  95#ifdef DEFINE_ACPI_GLOBALS
  96
  97/* Debug names for the mutexes above */
  98
  99static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = {
 100        "ACPI_MTX_Interpreter",
 101        "ACPI_MTX_Tables",
 102        "ACPI_MTX_Namespace",
 103        "ACPI_MTX_Events",
 104        "ACPI_MTX_Caches",
 105        "ACPI_MTX_Memory",
 106        "ACPI_MTX_CommandComplete",
 107        "ACPI_MTX_CommandReady"
 108};
 109
 110#endif
 111#endif
 112
 113/*
 114 * Predefined handles for spinlocks used within the subsystem.
 115 * These spinlocks are created by acpi_ut_mutex_initialize
 116 */
 117#define ACPI_LOCK_GPES                  0
 118#define ACPI_LOCK_HARDWARE              1
 119
 120#define ACPI_MAX_LOCK                   1
 121#define ACPI_NUM_LOCK                   ACPI_MAX_LOCK+1
 122
 123/* Owner IDs are used to track namespace nodes for selective deletion */
 124
 125typedef u8 acpi_owner_id;
 126#define ACPI_OWNER_ID_MAX               0xFF
 127
 128/* This Thread ID means that the mutex is not in use (unlocked) */
 129
 130#define ACPI_MUTEX_NOT_ACQUIRED         (acpi_thread_id) 0
 131
 132/* Table for the global mutexes */
 133
 134struct acpi_mutex_info {
 135        acpi_mutex mutex;
 136        u32 use_count;
 137        acpi_thread_id thread_id;
 138};
 139
 140/* Lock flag parameter for various interfaces */
 141
 142#define ACPI_MTX_DO_NOT_LOCK            0
 143#define ACPI_MTX_LOCK                   1
 144
 145/* Field access granularities */
 146
 147#define ACPI_FIELD_BYTE_GRANULARITY     1
 148#define ACPI_FIELD_WORD_GRANULARITY     2
 149#define ACPI_FIELD_DWORD_GRANULARITY    4
 150#define ACPI_FIELD_QWORD_GRANULARITY    8
 151
 152#define ACPI_ENTRY_NOT_FOUND            NULL
 153
 154/*****************************************************************************
 155 *
 156 * Namespace typedefs and structs
 157 *
 158 ****************************************************************************/
 159
 160/* Operational modes of the AML interpreter/scanner */
 161
 162typedef enum {
 163        ACPI_IMODE_LOAD_PASS1 = 0x01,
 164        ACPI_IMODE_LOAD_PASS2 = 0x02,
 165        ACPI_IMODE_EXECUTE = 0x03
 166} acpi_interpreter_mode;
 167
 168union acpi_name_union {
 169        u32 integer;
 170        char ascii[4];
 171};
 172
 173/*
 174 * The Namespace Node describes a named object that appears in the AML.
 175 * descriptor_type is used to differentiate between internal descriptors.
 176 *
 177 * The node is optimized for both 32-bit and 64-bit platforms:
 178 * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case.
 179 *
 180 * Note: The descriptor_type and Type fields must appear in the identical
 181 * position in both the struct acpi_namespace_node and union acpi_operand_object
 182 * structures.
 183 */
 184struct acpi_namespace_node {
 185        union acpi_operand_object *object;      /* Interpreter object */
 186        u8 descriptor_type;     /* Differentiate object descriptor types */
 187        u8 type;                /* ACPI Type associated with this name */
 188        u8 flags;               /* Miscellaneous flags */
 189        acpi_owner_id owner_id; /* Node creator */
 190        union acpi_name_union name;     /* ACPI Name, always 4 chars per ACPI spec */
 191        struct acpi_namespace_node *child;      /* First child */
 192        struct acpi_namespace_node *peer;       /* Peer. Parent if ANOBJ_END_OF_PEER_LIST set */
 193
 194        /*
 195         * The following fields are used by the ASL compiler and disassembler only
 196         */
 197#ifdef ACPI_LARGE_NAMESPACE_NODE
 198        union acpi_parse_object *op;
 199        u32 value;
 200        u32 length;
 201#endif
 202};
 203
 204/* Namespace Node flags */
 205
 206#define ANOBJ_END_OF_PEER_LIST          0x01    /* End-of-list, Peer field points to parent */
 207#define ANOBJ_TEMPORARY                 0x02    /* Node is create by a method and is temporary */
 208#define ANOBJ_METHOD_ARG                0x04    /* Node is a method argument */
 209#define ANOBJ_METHOD_LOCAL              0x08    /* Node is a method local */
 210#define ANOBJ_SUBTREE_HAS_INI           0x10    /* Used to optimize device initialization */
 211
 212#define ANOBJ_IS_EXTERNAL               0x08    /* i_aSL only: This object created via External() */
 213#define ANOBJ_METHOD_NO_RETVAL          0x10    /* i_aSL only: Method has no return value */
 214#define ANOBJ_METHOD_SOME_NO_RETVAL     0x20    /* i_aSL only: Method has at least one return value */
 215#define ANOBJ_IS_BIT_OFFSET             0x40    /* i_aSL only: Reference is a bit offset */
 216#define ANOBJ_IS_REFERENCED             0x80    /* i_aSL only: Object was referenced */
 217
 218/*
 219 * ACPI Table Descriptor.  One per ACPI table
 220 */
 221struct acpi_table_desc {
 222        acpi_physical_address address;
 223        struct acpi_table_header *pointer;
 224        u32 length;             /* Length fixed at 32 bits */
 225        union acpi_name_union signature;
 226        acpi_owner_id owner_id;
 227        u8 flags;
 228};
 229
 230/* Flags for above */
 231
 232#define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
 233#define ACPI_TABLE_ORIGIN_MAPPED        (1)
 234#define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
 235#define ACPI_TABLE_ORIGIN_MASK          (3)
 236#define ACPI_TABLE_IS_LOADED            (4)
 237
 238/* One internal RSDT for table management */
 239
 240struct acpi_internal_rsdt {
 241        struct acpi_table_desc *tables;
 242        u32 count;
 243        u32 size;
 244        u8 flags;
 245};
 246
 247/* Flags for above */
 248
 249#define ACPI_ROOT_ORIGIN_UNKNOWN        (0)     /* ~ORIGIN_ALLOCATED */
 250#define ACPI_ROOT_ORIGIN_ALLOCATED      (1)
 251#define ACPI_ROOT_ALLOW_RESIZE          (2)
 252
 253/* Predefined (fixed) table indexes */
 254
 255#define ACPI_TABLE_INDEX_DSDT           (0)
 256#define ACPI_TABLE_INDEX_FACS           (1)
 257
 258struct acpi_find_context {
 259        char *search_for;
 260        acpi_handle *list;
 261        u32 *count;
 262};
 263
 264struct acpi_ns_search_data {
 265        struct acpi_namespace_node *node;
 266};
 267
 268/*
 269 * Predefined Namespace items
 270 */
 271struct acpi_predefined_names {
 272        char *name;
 273        u8 type;
 274        char *val;
 275};
 276
 277/* Object types used during package copies */
 278
 279#define ACPI_COPY_TYPE_SIMPLE           0
 280#define ACPI_COPY_TYPE_PACKAGE          1
 281
 282/* Info structure used to convert external<->internal namestrings */
 283
 284struct acpi_namestring_info {
 285        char *external_name;
 286        char *next_external_char;
 287        char *internal_name;
 288        u32 length;
 289        u32 num_segments;
 290        u32 num_carats;
 291        u8 fully_qualified;
 292};
 293
 294/* Field creation info */
 295
 296struct acpi_create_field_info {
 297        struct acpi_namespace_node *region_node;
 298        struct acpi_namespace_node *field_node;
 299        struct acpi_namespace_node *register_node;
 300        struct acpi_namespace_node *data_register_node;
 301        u32 bank_value;
 302        u32 field_bit_position;
 303        u32 field_bit_length;
 304        u8 field_flags;
 305        u8 attribute;
 306        u8 field_type;
 307};
 308
 309typedef
 310acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
 311
 312/*
 313 * Bitmapped ACPI types.  Used internally only
 314 */
 315#define ACPI_BTYPE_ANY                  0x00000000
 316#define ACPI_BTYPE_INTEGER              0x00000001
 317#define ACPI_BTYPE_STRING               0x00000002
 318#define ACPI_BTYPE_BUFFER               0x00000004
 319#define ACPI_BTYPE_PACKAGE              0x00000008
 320#define ACPI_BTYPE_FIELD_UNIT           0x00000010
 321#define ACPI_BTYPE_DEVICE               0x00000020
 322#define ACPI_BTYPE_EVENT                0x00000040
 323#define ACPI_BTYPE_METHOD               0x00000080
 324#define ACPI_BTYPE_MUTEX                0x00000100
 325#define ACPI_BTYPE_REGION               0x00000200
 326#define ACPI_BTYPE_POWER                0x00000400
 327#define ACPI_BTYPE_PROCESSOR            0x00000800
 328#define ACPI_BTYPE_THERMAL              0x00001000
 329#define ACPI_BTYPE_BUFFER_FIELD         0x00002000
 330#define ACPI_BTYPE_DDB_HANDLE           0x00004000
 331#define ACPI_BTYPE_DEBUG_OBJECT         0x00008000
 332#define ACPI_BTYPE_REFERENCE            0x00010000
 333#define ACPI_BTYPE_RESOURCE             0x00020000
 334
 335#define ACPI_BTYPE_COMPUTE_DATA         (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)
 336
 337#define ACPI_BTYPE_DATA                 (ACPI_BTYPE_COMPUTE_DATA  | ACPI_BTYPE_PACKAGE)
 338#define ACPI_BTYPE_DATA_REFERENCE       (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE)
 339#define ACPI_BTYPE_DEVICE_OBJECTS       (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
 340#define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF      /* ARG or LOCAL */
 341#define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
 342
 343/*****************************************************************************
 344 *
 345 * Event typedefs and structs
 346 *
 347 ****************************************************************************/
 348
 349/* Dispatch info for each GPE -- either a method or handler, cannot be both */
 350
 351struct acpi_handler_info {
 352        acpi_event_handler address;     /* Address of handler, if any */
 353        void *context;          /* Context to be passed to handler */
 354        struct acpi_namespace_node *method_node;        /* Method node for this GPE level (saved) */
 355};
 356
 357union acpi_gpe_dispatch_info {
 358        struct acpi_namespace_node *method_node;        /* Method node for this GPE level */
 359        struct acpi_handler_info *handler;
 360};
 361
 362/*
 363 * Information about a GPE, one per each GPE in an array.
 364 * NOTE: Important to keep this struct as small as possible.
 365 */
 366struct acpi_gpe_event_info {
 367        union acpi_gpe_dispatch_info dispatch;  /* Either Method or Handler */
 368        struct acpi_gpe_register_info *register_info;   /* Backpointer to register info */
 369        u8 flags;               /* Misc info about this GPE */
 370        u8 gpe_number;          /* This GPE */
 371};
 372
 373/* Information about a GPE register pair, one per each status/enable pair in an array */
 374
 375struct acpi_gpe_register_info {
 376        struct acpi_generic_address status_address;     /* Address of status reg */
 377        struct acpi_generic_address enable_address;     /* Address of enable reg */
 378        u8 enable_for_wake;     /* GPEs to keep enabled when sleeping */
 379        u8 enable_for_run;      /* GPEs to keep enabled when running */
 380        u8 base_gpe_number;     /* Base GPE number for this register */
 381};
 382
 383/*
 384 * Information about a GPE register block, one per each installed block --
 385 * GPE0, GPE1, and one per each installed GPE Block Device.
 386 */
 387struct acpi_gpe_block_info {
 388        struct acpi_namespace_node *node;
 389        struct acpi_gpe_block_info *previous;
 390        struct acpi_gpe_block_info *next;
 391        struct acpi_gpe_xrupt_info *xrupt_block;        /* Backpointer to interrupt block */
 392        struct acpi_gpe_register_info *register_info;   /* One per GPE register pair */
 393        struct acpi_gpe_event_info *event_info; /* One for each GPE */
 394        struct acpi_generic_address block_address;      /* Base address of the block */
 395        u32 register_count;     /* Number of register pairs in block */
 396        u8 block_base_number;   /* Base GPE number for this block */
 397};
 398
 399/* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
 400
 401struct acpi_gpe_xrupt_info {
 402        struct acpi_gpe_xrupt_info *previous;
 403        struct acpi_gpe_xrupt_info *next;
 404        struct acpi_gpe_block_info *gpe_block_list_head;        /* List of GPE blocks for this xrupt */
 405        u32 interrupt_number;   /* System interrupt number */
 406};
 407
 408struct acpi_gpe_walk_info {
 409        struct acpi_namespace_node *gpe_device;
 410        struct acpi_gpe_block_info *gpe_block;
 411};
 412
 413typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
 414                                         gpe_xrupt_info,
 415                                         struct acpi_gpe_block_info *
 416                                         gpe_block);
 417
 418/* Information about each particular fixed event */
 419
 420struct acpi_fixed_event_handler {
 421        acpi_event_handler handler;     /* Address of handler. */
 422        void *context;          /* Context to be passed to handler */
 423};
 424
 425struct acpi_fixed_event_info {
 426        u8 status_register_id;
 427        u8 enable_register_id;
 428        u16 status_bit_mask;
 429        u16 enable_bit_mask;
 430};
 431
 432/* Information used during field processing */
 433
 434struct acpi_field_info {
 435        u8 skip_field;
 436        u8 field_flag;
 437        u32 pkg_length;
 438};
 439
 440/*****************************************************************************
 441 *
 442 * Generic "state" object for stacks
 443 *
 444 ****************************************************************************/
 445
 446#define ACPI_CONTROL_NORMAL                  0xC0
 447#define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
 448#define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
 449#define ACPI_CONTROL_PREDICATE_FALSE         0xC3
 450#define ACPI_CONTROL_PREDICATE_TRUE          0xC4
 451
 452#define ACPI_STATE_COMMON \
 453        void                            *next; \
 454        u8                              descriptor_type; /* To differentiate various internal objs */\
 455        u8                              flags; \
 456        u16                             value; \
 457        u16                             state;
 458
 459        /* There are 2 bytes available here until the next natural alignment boundary */
 460
 461struct acpi_common_state {
 462ACPI_STATE_COMMON};
 463
 464/*
 465 * Update state - used to traverse complex objects such as packages
 466 */
 467struct acpi_update_state {
 468        ACPI_STATE_COMMON union acpi_operand_object *object;
 469};
 470
 471/*
 472 * Pkg state - used to traverse nested package structures
 473 */
 474struct acpi_pkg_state {
 475        ACPI_STATE_COMMON u16 index;
 476        union acpi_operand_object *source_object;
 477        union acpi_operand_object *dest_object;
 478        struct acpi_walk_state *walk_state;
 479        void *this_target_obj;
 480        u32 num_packages;
 481};
 482
 483/*
 484 * Control state - one per if/else and while constructs.
 485 * Allows nesting of these constructs
 486 */
 487struct acpi_control_state {
 488        ACPI_STATE_COMMON u16 opcode;
 489        union acpi_parse_object *predicate_op;
 490        u8 *aml_predicate_start;        /* Start of if/while predicate */
 491        u8 *package_end;        /* End of if/while block */
 492};
 493
 494/*
 495 * Scope state - current scope during namespace lookups
 496 */
 497struct acpi_scope_state {
 498        ACPI_STATE_COMMON struct acpi_namespace_node *node;
 499};
 500
 501struct acpi_pscope_state {
 502        ACPI_STATE_COMMON u32 arg_count;        /* Number of fixed arguments */
 503        union acpi_parse_object *op;    /* Current op being parsed */
 504        u8 *arg_end;            /* Current argument end */
 505        u8 *pkg_end;            /* Current package end */
 506        u32 arg_list;           /* Next argument to parse */
 507};
 508
 509/*
 510 * Thread state - one per thread across multiple walk states.  Multiple walk
 511 * states are created when there are nested control methods executing.
 512 */
 513struct acpi_thread_state {
 514        ACPI_STATE_COMMON u8 current_sync_level;        /* Mutex Sync (nested acquire) level */
 515        struct acpi_walk_state *walk_state_list;        /* Head of list of walk_states for this thread */
 516        union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */
 517        acpi_thread_id thread_id;       /* Running thread ID */
 518};
 519
 520/*
 521 * Result values - used to accumulate the results of nested
 522 * AML arguments
 523 */
 524struct acpi_result_values {
 525        ACPI_STATE_COMMON u8 num_results;
 526        u8 last_insert;
 527        union acpi_operand_object *obj_desc[ACPI_OBJ_NUM_OPERANDS];
 528};
 529
 530typedef
 531acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
 532                                    union acpi_parse_object ** out_op);
 533
 534typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
 535
 536/*
 537 * Notify info - used to pass info to the deferred notify
 538 * handler/dispatcher.
 539 */
 540struct acpi_notify_info {
 541        ACPI_STATE_COMMON struct acpi_namespace_node *node;
 542        union acpi_operand_object *handler_obj;
 543};
 544
 545/* Generic state is union of structs above */
 546
 547union acpi_generic_state {
 548        struct acpi_common_state common;
 549        struct acpi_control_state control;
 550        struct acpi_update_state update;
 551        struct acpi_scope_state scope;
 552        struct acpi_pscope_state parse_scope;
 553        struct acpi_pkg_state pkg;
 554        struct acpi_thread_state thread;
 555        struct acpi_result_values results;
 556        struct acpi_notify_info notify;
 557};
 558
 559/*****************************************************************************
 560 *
 561 * Interpreter typedefs and structs
 562 *
 563 ****************************************************************************/
 564
 565typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state);
 566
 567/*****************************************************************************
 568 *
 569 * Parser typedefs and structs
 570 *
 571 ****************************************************************************/
 572
 573/*
 574 * AML opcode, name, and argument layout
 575 */
 576struct acpi_opcode_info {
 577#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
 578        char *name;             /* Opcode name (disassembler/debug only) */
 579#endif
 580        u32 parse_args;         /* Grammar/Parse time arguments */
 581        u32 runtime_args;       /* Interpret time arguments */
 582        u16 flags;              /* Misc flags */
 583        u8 object_type;         /* Corresponding internal object type */
 584        u8 class;               /* Opcode class */
 585        u8 type;                /* Opcode type */
 586};
 587
 588union acpi_parse_value {
 589        acpi_integer integer;   /* Integer constant (Up to 64 bits) */
 590        struct uint64_struct integer64; /* Structure overlay for 2 32-bit Dwords */
 591        u32 size;               /* bytelist or field size */
 592        char *string;           /* NULL terminated string */
 593        u8 *buffer;             /* buffer or string */
 594        char *name;             /* NULL terminated string */
 595        union acpi_parse_object *arg;   /* arguments and contained ops */
 596};
 597
 598#define ACPI_PARSE_COMMON \
 599        union acpi_parse_object         *parent;        /* Parent op */\
 600        u8                              descriptor_type; /* To differentiate various internal objs */\
 601        u8                              flags;          /* Type of Op */\
 602        u16                             aml_opcode;     /* AML opcode */\
 603        u32                             aml_offset;     /* Offset of declaration in AML */\
 604        union acpi_parse_object         *next;          /* Next op */\
 605        struct acpi_namespace_node      *node;          /* For use by interpreter */\
 606        union acpi_parse_value          value;          /* Value or args associated with the opcode */\
 607        ACPI_DISASM_ONLY_MEMBERS (\
 608        u8                              disasm_flags;   /* Used during AML disassembly */\
 609        u8                              disasm_opcode;  /* Subtype used for disassembly */\
 610        char                            aml_op_name[16])        /* Op name (debug only) */
 611
 612#define ACPI_DASM_BUFFER                0x00
 613#define ACPI_DASM_RESOURCE              0x01
 614#define ACPI_DASM_STRING                0x02
 615#define ACPI_DASM_UNICODE               0x03
 616#define ACPI_DASM_EISAID                0x04
 617#define ACPI_DASM_MATCHOP               0x05
 618#define ACPI_DASM_LNOT_PREFIX           0x06
 619#define ACPI_DASM_LNOT_SUFFIX           0x07
 620#define ACPI_DASM_IGNORE                0x08
 621
 622/*
 623 * Generic operation (for example:  If, While, Store)
 624 */
 625struct acpi_parse_obj_common {
 626ACPI_PARSE_COMMON};
 627
 628/*
 629 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
 630 * and bytelists.
 631 */
 632struct acpi_parse_obj_named {
 633        ACPI_PARSE_COMMON u8 *path;
 634        u8 *data;               /* AML body or bytelist data */
 635        u32 length;             /* AML length */
 636        u32 name;               /* 4-byte name or zero if no name */
 637};
 638
 639/* This version is used by the i_aSL compiler only */
 640
 641#define ACPI_MAX_PARSEOP_NAME   20
 642
 643struct acpi_parse_obj_asl {
 644        ACPI_PARSE_COMMON union acpi_parse_object *child;
 645        union acpi_parse_object *parent_method;
 646        char *filename;
 647        char *external_name;
 648        char *namepath;
 649        char name_seg[4];
 650        u32 extra_value;
 651        u32 column;
 652        u32 line_number;
 653        u32 logical_line_number;
 654        u32 logical_byte_offset;
 655        u32 end_line;
 656        u32 end_logical_line;
 657        u32 acpi_btype;
 658        u32 aml_length;
 659        u32 aml_subtree_length;
 660        u32 final_aml_length;
 661        u32 final_aml_offset;
 662        u32 compile_flags;
 663        u16 parse_opcode;
 664        u8 aml_opcode_length;
 665        u8 aml_pkg_len_bytes;
 666        u8 extra;
 667        char parse_op_name[ACPI_MAX_PARSEOP_NAME];
 668};
 669
 670union acpi_parse_object {
 671        struct acpi_parse_obj_common common;
 672        struct acpi_parse_obj_named named;
 673        struct acpi_parse_obj_asl asl;
 674};
 675
 676/*
 677 * Parse state - one state per parser invocation and each control
 678 * method.
 679 */
 680struct acpi_parse_state {
 681        u8 *aml_start;          /* First AML byte */
 682        u8 *aml;                /* Next AML byte */
 683        u8 *aml_end;            /* (last + 1) AML byte */
 684        u8 *pkg_start;          /* Current package begin */
 685        u8 *pkg_end;            /* Current package end */
 686        union acpi_parse_object *start_op;      /* Root of parse tree */
 687        struct acpi_namespace_node *start_node;
 688        union acpi_generic_state *scope;        /* Current scope */
 689        union acpi_parse_object *start_scope;
 690        u32 aml_size;
 691};
 692
 693/* Parse object flags */
 694
 695#define ACPI_PARSEOP_GENERIC            0x01
 696#define ACPI_PARSEOP_NAMED              0x02
 697#define ACPI_PARSEOP_DEFERRED           0x04
 698#define ACPI_PARSEOP_BYTELIST           0x08
 699#define ACPI_PARSEOP_IN_CACHE           0x80
 700
 701/* Parse object disasm_flags */
 702
 703#define ACPI_PARSEOP_IGNORE             0x01
 704#define ACPI_PARSEOP_PARAMLIST          0x02
 705#define ACPI_PARSEOP_EMPTY_TERMLIST     0x04
 706#define ACPI_PARSEOP_SPECIAL            0x10
 707
 708/*****************************************************************************
 709 *
 710 * Hardware (ACPI registers) and PNP
 711 *
 712 ****************************************************************************/
 713
 714#define PCI_ROOT_HID_STRING             "PNP0A03"
 715#define PCI_EXPRESS_ROOT_HID_STRING     "PNP0A08"
 716
 717struct acpi_bit_register_info {
 718        u8 parent_register;
 719        u8 bit_position;
 720        u16 access_bit_mask;
 721};
 722
 723/*
 724 * Some ACPI registers have bits that must be ignored -- meaning that they
 725 * must be preserved.
 726 */
 727#define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800  /* Bit 11 */
 728#define ACPI_PM1_CONTROL_PRESERVED_BITS         0x0200  /* Bit 9 (whatever) */
 729
 730/*
 731 * Register IDs
 732 * These are the full ACPI registers
 733 */
 734#define ACPI_REGISTER_PM1_STATUS                0x01
 735#define ACPI_REGISTER_PM1_ENABLE                0x02
 736#define ACPI_REGISTER_PM1_CONTROL               0x03
 737#define ACPI_REGISTER_PM1A_CONTROL              0x04
 738#define ACPI_REGISTER_PM1B_CONTROL              0x05
 739#define ACPI_REGISTER_PM2_CONTROL               0x06
 740#define ACPI_REGISTER_PM_TIMER                  0x07
 741#define ACPI_REGISTER_PROCESSOR_BLOCK           0x08
 742#define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x09
 743
 744/* Masks used to access the bit_registers */
 745
 746#define ACPI_BITMASK_TIMER_STATUS               0x0001
 747#define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
 748#define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
 749#define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
 750#define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
 751#define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
 752#define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000  /* ACPI 3.0 */
 753#define ACPI_BITMASK_WAKE_STATUS                0x8000
 754
 755#define ACPI_BITMASK_ALL_FIXED_STATUS           (\
 756        ACPI_BITMASK_TIMER_STATUS          | \
 757        ACPI_BITMASK_BUS_MASTER_STATUS     | \
 758        ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
 759        ACPI_BITMASK_POWER_BUTTON_STATUS   | \
 760        ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
 761        ACPI_BITMASK_RT_CLOCK_STATUS       | \
 762        ACPI_BITMASK_WAKE_STATUS)
 763
 764#define ACPI_BITMASK_TIMER_ENABLE               0x0001
 765#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
 766#define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
 767#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
 768#define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
 769#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000  /* ACPI 3.0 */
 770
 771#define ACPI_BITMASK_SCI_ENABLE                 0x0001
 772#define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
 773#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
 774#define ACPI_BITMASK_SLEEP_TYPE_X               0x1C00
 775#define ACPI_BITMASK_SLEEP_ENABLE               0x2000
 776
 777#define ACPI_BITMASK_ARB_DISABLE                0x0001
 778
 779/* Raw bit position of each bit_register */
 780
 781#define ACPI_BITPOSITION_TIMER_STATUS           0x00
 782#define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
 783#define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
 784#define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
 785#define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
 786#define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
 787#define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E    /* ACPI 3.0 */
 788#define ACPI_BITPOSITION_WAKE_STATUS            0x0F
 789
 790#define ACPI_BITPOSITION_TIMER_ENABLE           0x00
 791#define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
 792#define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
 793#define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
 794#define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
 795#define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E    /* ACPI 3.0 */
 796
 797#define ACPI_BITPOSITION_SCI_ENABLE             0x00
 798#define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
 799#define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
 800#define ACPI_BITPOSITION_SLEEP_TYPE_X           0x0A
 801#define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
 802
 803#define ACPI_BITPOSITION_ARB_DISABLE            0x00
 804
 805/*****************************************************************************
 806 *
 807 * Resource descriptors
 808 *
 809 ****************************************************************************/
 810
 811/* resource_type values */
 812
 813#define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
 814#define ACPI_ADDRESS_TYPE_IO_RANGE              1
 815#define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
 816
 817/* Resource descriptor types and masks */
 818
 819#define ACPI_RESOURCE_NAME_LARGE                0x80
 820#define ACPI_RESOURCE_NAME_SMALL                0x00
 821
 822#define ACPI_RESOURCE_NAME_SMALL_MASK           0x78    /* Bits 6:3 contain the type */
 823#define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07    /* Bits 2:0 contain the length */
 824#define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F    /* Bits 6:0 contain the type */
 825
 826/*
 827 * Small resource descriptor "names" as defined by the ACPI specification.
 828 * Note: Bits 2:0 are used for the descriptor length
 829 */
 830#define ACPI_RESOURCE_NAME_IRQ                  0x20
 831#define ACPI_RESOURCE_NAME_DMA                  0x28
 832#define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
 833#define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
 834#define ACPI_RESOURCE_NAME_IO                   0x40
 835#define ACPI_RESOURCE_NAME_FIXED_IO             0x48
 836#define ACPI_RESOURCE_NAME_RESERVED_S1          0x50
 837#define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
 838#define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
 839#define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
 840#define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
 841#define ACPI_RESOURCE_NAME_END_TAG              0x78
 842
 843/*
 844 * Large resource descriptor "names" as defined by the ACPI specification.
 845 * Note: includes the Large Descriptor bit in bit[7]
 846 */
 847#define ACPI_RESOURCE_NAME_MEMORY24             0x81
 848#define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
 849#define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
 850#define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
 851#define ACPI_RESOURCE_NAME_MEMORY32             0x85
 852#define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
 853#define ACPI_RESOURCE_NAME_ADDRESS32            0x87
 854#define ACPI_RESOURCE_NAME_ADDRESS16            0x88
 855#define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
 856#define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
 857#define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
 858#define ACPI_RESOURCE_NAME_LARGE_MAX            0x8B
 859
 860/*****************************************************************************
 861 *
 862 * Miscellaneous
 863 *
 864 ****************************************************************************/
 865
 866#define ACPI_ASCII_ZERO                 0x30
 867
 868/*****************************************************************************
 869 *
 870 * Debugger
 871 *
 872 ****************************************************************************/
 873
 874struct acpi_db_method_info {
 875        acpi_handle main_thread_gate;
 876        acpi_handle thread_complete_gate;
 877        u32 *threads;
 878        u32 num_threads;
 879        u32 num_created;
 880        u32 num_completed;
 881
 882        char *name;
 883        u32 flags;
 884        u32 num_loops;
 885        char pathname[128];
 886        char **args;
 887
 888        /*
 889         * Arguments to be passed to method for the command
 890         * Threads -
 891         *   the Number of threads, ID of current thread and
 892         *   Index of current thread inside all them created.
 893         */
 894        char init_args;
 895        char *arguments[4];
 896        char num_threads_str[11];
 897        char id_of_thread_str[11];
 898        char index_of_thread_str[11];
 899};
 900
 901struct acpi_integrity_info {
 902        u32 nodes;
 903        u32 objects;
 904};
 905
 906#define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
 907#define ACPI_DB_CONSOLE_OUTPUT          0x02
 908#define ACPI_DB_DUPLICATE_OUTPUT        0x03
 909
 910/*****************************************************************************
 911 *
 912 * Debug
 913 *
 914 ****************************************************************************/
 915
 916/* Entry for a memory allocation (debug only) */
 917
 918#define ACPI_MEM_MALLOC                 0
 919#define ACPI_MEM_CALLOC                 1
 920#define ACPI_MAX_MODULE_NAME            16
 921
 922#define ACPI_COMMON_DEBUG_MEM_HEADER \
 923        struct acpi_debug_mem_block     *previous; \
 924        struct acpi_debug_mem_block     *next; \
 925        u32                             size; \
 926        u32                             component; \
 927        u32                             line; \
 928        char                            module[ACPI_MAX_MODULE_NAME]; \
 929        u8                              alloc_type;
 930
 931struct acpi_debug_mem_header {
 932ACPI_COMMON_DEBUG_MEM_HEADER};
 933
 934struct acpi_debug_mem_block {
 935        ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
 936};
 937
 938#define ACPI_MEM_LIST_GLOBAL            0
 939#define ACPI_MEM_LIST_NSNODE            1
 940#define ACPI_MEM_LIST_MAX               1
 941#define ACPI_NUM_MEM_LISTS              2
 942
 943struct acpi_memory_list {
 944        char *list_name;
 945        void *list_head;
 946        u16 object_size;
 947        u16 max_depth;
 948        u16 current_depth;
 949        u16 link_offset;
 950
 951#ifdef ACPI_DBG_TRACK_ALLOCATIONS
 952
 953        /* Statistics for debug memory tracking only */
 954
 955        u32 total_allocated;
 956        u32 total_freed;
 957        u32 max_occupied;
 958        u32 total_size;
 959        u32 current_total_size;
 960        u32 requests;
 961        u32 hits;
 962#endif
 963};
 964
 965#endif                          /* __ACLOCAL_H__ */
 966