include/acpi/aclocal.h

   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_WAIT_FOREVER               0xFFFF  /* u16, as per ACPI spec */
  50 #define ACPI_DO_NOT_WAIT                0
  51 #define ACPI_SERIALIZED                 0xFF
  52
  53 typedef 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
  62 struct acpi_walk_state;
  63 struct acpi_obj_mutex;
  64 union 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
  99 static 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
 125 typedef 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
 134 struct 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
 162 typedef enum {
 163         ACPI_IMODE_LOAD_PASS1 = 0x01,
 164         ACPI_IMODE_LOAD_PASS2 = 0x02,
 165         ACPI_IMODE_EXECUTE = 0x03
 166 } acpi_interpreter_mode;
 167
 168 union 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  */
 184 struct 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  */
 221 struct 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
 240 struct 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
 258 struct acpi_find_context {
 259         char *search_for;
 260         acpi_handle *list;
 261         u32 *count;
 262 };
 263
 264 struct acpi_ns_search_data {
 265         struct acpi_namespace_node *node;
 266 };
 267
 268 /*
 269  * Predefined Namespace items
 270  */
 271 struct 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
 284 struct 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
 296 struct 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
 309 typedef
 310 acpi_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
 351 struct 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
 357 union 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  */
 366 struct 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
 375 struct 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  */
 387 struct 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
 401 struct 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
 408 struct acpi_gpe_walk_info {
 409         struct acpi_namespace_node *gpe_device;
 410         struct acpi_gpe_block_info *gpe_block;
 411 };
 412
 413 typedef 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
 420 struct acpi_fixed_event_handler {
 421         acpi_event_handler handler;     /* Address of handler. */
 422         void *context;          /* Context to be passed to handler */
 423 };
 424
 425 struct 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
 434 struct 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
 461 struct acpi_common_state {
 462 ACPI_STATE_COMMON};
 463
 464 /*
 465  * Update state - used to traverse complex objects such as packages
 466  */
 467 struct 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  */
 474 struct 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  */
 487 struct 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  */
 497 struct acpi_scope_state {
 498         ACPI_STATE_COMMON struct acpi_namespace_node *node;
 499 };
 500
 501 struct 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  */
 513 struct 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  */
 524 struct acpi_result_values {
 525         ACPI_STATE_COMMON
 526             union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
 527 };
 528
 529 typedef
 530 acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
 531                                     union acpi_parse_object ** out_op);
 532
 533 typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
 534
 535 /*
 536  * Notify info - used to pass info to the deferred notify
 537  * handler/dispatcher.
 538  */
 539 struct acpi_notify_info {
 540         ACPI_STATE_COMMON struct acpi_namespace_node *node;
 541         union acpi_operand_object *handler_obj;
 542 };
 543
 544 /* Generic state is union of structs above */
 545
 546 union acpi_generic_state {
 547         struct acpi_common_state common;
 548         struct acpi_control_state control;
 549         struct acpi_update_state update;
 550         struct acpi_scope_state scope;
 551         struct acpi_pscope_state parse_scope;
 552         struct acpi_pkg_state pkg;
 553         struct acpi_thread_state thread;
 554         struct acpi_result_values results;
 555         struct acpi_notify_info notify;
 556 };
 557
 558 /*****************************************************************************
 559  *
 560  * Interpreter typedefs and structs
 561  *
 562  ****************************************************************************/
 563
 564 typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state);
 565
 566 /*****************************************************************************
 567  *
 568  * Parser typedefs and structs
 569  *
 570  ****************************************************************************/
 571
 572 /*
 573  * AML opcode, name, and argument layout
 574  */
 575 struct acpi_opcode_info {
 576 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
 577         char *name;             /* Opcode name (disassembler/debug only) */
 578 #endif
 579         u32 parse_args;         /* Grammar/Parse time arguments */
 580         u32 runtime_args;       /* Interpret time arguments */
 581         u16 flags;              /* Misc flags */
 582         u8 object_type;         /* Corresponding internal object type */
 583         u8 class;               /* Opcode class */
 584         u8 type;                /* Opcode type */
 585 };
 586
 587 union acpi_parse_value {
 588         acpi_integer integer;   /* Integer constant (Up to 64 bits) */
 589         struct uint64_struct integer64; /* Structure overlay for 2 32-bit Dwords */
 590         u32 size;               /* bytelist or field size */
 591         char *string;           /* NULL terminated string */
 592         u8 *buffer;             /* buffer or string */
 593         char *name;             /* NULL terminated string */
 594         union acpi_parse_object *arg;   /* arguments and contained ops */
 595 };
 596
 597 #define ACPI_PARSE_COMMON \
 598         union acpi_parse_object         *parent;        /* Parent op */\
 599         u8                              descriptor_type; /* To differentiate various internal objs */\
 600         u8                              flags;          /* Type of Op */\
 601         u16                             aml_opcode;     /* AML opcode */\
 602         u32                             aml_offset;     /* Offset of declaration in AML */\
 603         union acpi_parse_object         *next;          /* Next op */\
 604         struct acpi_namespace_node      *node;          /* For use by interpreter */\
 605         union acpi_parse_value          value;          /* Value or args associated with the opcode */\
 606         u8                              arg_list_length; /* Number of elements in the arg list */\
 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  */
 625 struct acpi_parse_obj_common {
 626 ACPI_PARSE_COMMON};
 627
 628 /*
 629  * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
 630  * and bytelists.
 631  */
 632 struct 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
 643 struct 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
 670 union 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  */
 680 struct 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_STACK           0x10
 700 #define ACPI_PARSEOP_TARGET             0x20
 701 #define ACPI_PARSEOP_IN_CACHE           0x80
 702
 703 /* Parse object disasm_flags */
 704
 705 #define ACPI_PARSEOP_IGNORE             0x01
 706 #define ACPI_PARSEOP_PARAMLIST          0x02
 707 #define ACPI_PARSEOP_EMPTY_TERMLIST     0x04
 708 #define ACPI_PARSEOP_SPECIAL            0x10
 709
 710 /*****************************************************************************
 711  *
 712  * Hardware (ACPI registers) and PNP
 713  *
 714  ****************************************************************************/
 715
 716 #define PCI_ROOT_HID_STRING             "PNP0A03"
 717 #define PCI_EXPRESS_ROOT_HID_STRING     "PNP0A08"
 718
 719 struct acpi_bit_register_info {
 720         u8 parent_register;
 721         u8 bit_position;
 722         u16 access_bit_mask;
 723 };
 724
 725 /*
 726  * Some ACPI registers have bits that must be ignored -- meaning that they
 727  * must be preserved.
 728  */
 729 #define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800  /* Bit 11 */
 730 #define ACPI_PM1_CONTROL_PRESERVED_BITS         0x0200  /* Bit 9 (whatever) */
 731
 732 /*
 733  * Register IDs
 734  * These are the full ACPI registers
 735  */
 736 #define ACPI_REGISTER_PM1_STATUS                0x01
 737 #define ACPI_REGISTER_PM1_ENABLE                0x02
 738 #define ACPI_REGISTER_PM1_CONTROL               0x03
 739 #define ACPI_REGISTER_PM1A_CONTROL              0x04
 740 #define ACPI_REGISTER_PM1B_CONTROL              0x05
 741 #define ACPI_REGISTER_PM2_CONTROL               0x06
 742 #define ACPI_REGISTER_PM_TIMER                  0x07
 743 #define ACPI_REGISTER_PROCESSOR_BLOCK           0x08
 744 #define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x09
 745
 746 /* Masks used to access the bit_registers */
 747
 748 #define ACPI_BITMASK_TIMER_STATUS               0x0001
 749 #define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
 750 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
 751 #define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
 752 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
 753 #define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
 754 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000  /* ACPI 3.0 */
 755 #define ACPI_BITMASK_WAKE_STATUS                0x8000
 756
 757 #define ACPI_BITMASK_ALL_FIXED_STATUS           (\
 758         ACPI_BITMASK_TIMER_STATUS          | \
 759         ACPI_BITMASK_BUS_MASTER_STATUS     | \
 760         ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
 761         ACPI_BITMASK_POWER_BUTTON_STATUS   | \
 762         ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
 763         ACPI_BITMASK_RT_CLOCK_STATUS       | \
 764         ACPI_BITMASK_WAKE_STATUS)
 765
 766 #define ACPI_BITMASK_TIMER_ENABLE               0x0001
 767 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
 768 #define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
 769 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
 770 #define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
 771 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000  /* ACPI 3.0 */
 772
 773 #define ACPI_BITMASK_SCI_ENABLE                 0x0001
 774 #define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
 775 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
 776 #define ACPI_BITMASK_SLEEP_TYPE_X               0x1C00
 777 #define ACPI_BITMASK_SLEEP_ENABLE               0x2000
 778
 779 #define ACPI_BITMASK_ARB_DISABLE                0x0001
 780
 781 /* Raw bit position of each bit_register */
 782
 783 #define ACPI_BITPOSITION_TIMER_STATUS           0x00
 784 #define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
 785 #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
 786 #define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
 787 #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
 788 #define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
 789 #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E    /* ACPI 3.0 */
 790 #define ACPI_BITPOSITION_WAKE_STATUS            0x0F
 791
 792 #define ACPI_BITPOSITION_TIMER_ENABLE           0x00
 793 #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
 794 #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
 795 #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
 796 #define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
 797 #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E    /* ACPI 3.0 */
 798
 799 #define ACPI_BITPOSITION_SCI_ENABLE             0x00
 800 #define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
 801 #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
 802 #define ACPI_BITPOSITION_SLEEP_TYPE_X           0x0A
 803 #define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
 804
 805 #define ACPI_BITPOSITION_ARB_DISABLE            0x00
 806
 807 /*****************************************************************************
 808  *
 809  * Resource descriptors
 810  *
 811  ****************************************************************************/
 812
 813 /* resource_type values */
 814
 815 #define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
 816 #define ACPI_ADDRESS_TYPE_IO_RANGE              1
 817 #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
 818
 819 /* Resource descriptor types and masks */
 820
 821 #define ACPI_RESOURCE_NAME_LARGE                0x80
 822 #define ACPI_RESOURCE_NAME_SMALL                0x00
 823
 824 #define ACPI_RESOURCE_NAME_SMALL_MASK           0x78    /* Bits 6:3 contain the type */
 825 #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07    /* Bits 2:0 contain the length */
 826 #define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F    /* Bits 6:0 contain the type */
 827
 828 /*
 829  * Small resource descriptor "names" as defined by the ACPI specification.
 830  * Note: Bits 2:0 are used for the descriptor length
 831  */
 832 #define ACPI_RESOURCE_NAME_IRQ                  0x20
 833 #define ACPI_RESOURCE_NAME_DMA                  0x28
 834 #define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
 835 #define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
 836 #define ACPI_RESOURCE_NAME_IO                   0x40
 837 #define ACPI_RESOURCE_NAME_FIXED_IO             0x48
 838 #define ACPI_RESOURCE_NAME_RESERVED_S1          0x50
 839 #define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
 840 #define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
 841 #define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
 842 #define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
 843 #define ACPI_RESOURCE_NAME_END_TAG              0x78
 844
 845 /*
 846  * Large resource descriptor "names" as defined by the ACPI specification.
 847  * Note: includes the Large Descriptor bit in bit[7]
 848  */
 849 #define ACPI_RESOURCE_NAME_MEMORY24             0x81
 850 #define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
 851 #define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
 852 #define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
 853 #define ACPI_RESOURCE_NAME_MEMORY32             0x85
 854 #define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
 855 #define ACPI_RESOURCE_NAME_ADDRESS32            0x87
 856 #define ACPI_RESOURCE_NAME_ADDRESS16            0x88
 857 #define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
 858 #define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
 859 #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
 860 #define ACPI_RESOURCE_NAME_LARGE_MAX            0x8B
 861
 862 /*****************************************************************************
 863  *
 864  * Miscellaneous
 865  *
 866  ****************************************************************************/
 867
 868 #define ACPI_ASCII_ZERO                 0x30
 869
 870 /*****************************************************************************
 871  *
 872  * Debugger
 873  *
 874  ****************************************************************************/
 875
 876 struct acpi_db_method_info {
 877         acpi_handle main_thread_gate;
 878         acpi_handle thread_complete_gate;
 879         u32 *threads;
 880         u32 num_threads;
 881         u32 num_created;
 882         u32 num_completed;
 883
 884         char *name;
 885         u32 flags;
 886         u32 num_loops;
 887         char pathname[128];
 888         char **args;
 889
 890         /*
 891          * Arguments to be passed to method for the command
 892          * Threads -
 893          *   the Number of threads, ID of current thread and
 894          *   Index of current thread inside all them created.
 895          */
 896         char init_args;
 897         char *arguments[4];
 898         char num_threads_str[11];
 899         char id_of_thread_str[11];
 900         char index_of_thread_str[11];
 901 };
 902
 903 struct acpi_integrity_info {
 904         u32 nodes;
 905         u32 objects;
 906 };
 907
 908 #define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
 909 #define ACPI_DB_CONSOLE_OUTPUT          0x02
 910 #define ACPI_DB_DUPLICATE_OUTPUT        0x03
 911
 912 /*****************************************************************************
 913  *
 914  * Debug
 915  *
 916  ****************************************************************************/
 917
 918 /* Entry for a memory allocation (debug only) */
 919
 920 #define ACPI_MEM_MALLOC                 0
 921 #define ACPI_MEM_CALLOC                 1
 922 #define ACPI_MAX_MODULE_NAME            16
 923
 924 #define ACPI_COMMON_DEBUG_MEM_HEADER \
 925         struct acpi_debug_mem_block     *previous; \
 926         struct acpi_debug_mem_block     *next; \
 927         u32                             size; \
 928         u32                             component; \
 929         u32                             line; \
 930         char                            module[ACPI_MAX_MODULE_NAME]; \
 931         u8                              alloc_type;
 932
 933 struct acpi_debug_mem_header {
 934 ACPI_COMMON_DEBUG_MEM_HEADER};
 935
 936 struct acpi_debug_mem_block {
 937         ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
 938 };
 939
 940 #define ACPI_MEM_LIST_GLOBAL            0
 941 #define ACPI_MEM_LIST_NSNODE            1
 942 #define ACPI_MEM_LIST_MAX               1
 943 #define ACPI_NUM_MEM_LISTS              2
 944
 945 struct acpi_memory_list {
 946         char *list_name;
 947         void *list_head;
 948         u16 object_size;
 949         u16 max_depth;
 950         u16 current_depth;
 951         u16 link_offset;
 952
 953 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 954
 955         /* Statistics for debug memory tracking only */
 956
 957         u32 total_allocated;
 958         u32 total_freed;
 959         u32 max_occupied;
 960         u32 total_size;
 961         u32 current_total_size;
 962         u32 requests;
 963         u32 hits;
 964 #endif
 965 };
 966
 967 #endif                          /* __ACLOCAL_H__ */