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 - 2006, 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
  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_TABLES                 1       /* Data for ACPI tables */
  84 #define ACPI_MTX_NAMESPACE              2       /* ACPI Namespace */
  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 = 0x0E
 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_RESERVED                  0x02    /* Available for future use */
 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         struct acpi_table_desc *prev;
 223         struct acpi_table_desc *next;
 224         struct acpi_table_desc *installed_desc;
 225         struct acpi_table_header *pointer;
 226         u8 *aml_start;
 227         u64 physical_address;
 228         acpi_size length;
 229         u32 aml_length;
 230         acpi_owner_id owner_id;
 231         u8 type;
 232         u8 allocation;
 233         u8 loaded_into_namespace;
 234 };
 235
 236 struct acpi_table_list {
 237         struct acpi_table_desc *next;
 238         u32 count;
 239 };
 240
 241 struct acpi_find_context {
 242         char *search_for;
 243         acpi_handle *list;
 244         u32 *count;
 245 };
 246
 247 struct acpi_ns_search_data {
 248         struct acpi_namespace_node *node;
 249 };
 250
 251 /*
 252  * Predefined Namespace items
 253  */
 254 struct acpi_predefined_names {
 255         char *name;
 256         u8 type;
 257         char *val;
 258 };
 259
 260 /* Object types used during package copies */
 261
 262 #define ACPI_COPY_TYPE_SIMPLE           0
 263 #define ACPI_COPY_TYPE_PACKAGE          1
 264
 265 /* Info structure used to convert external<->internal namestrings */
 266
 267 struct acpi_namestring_info {
 268         char *external_name;
 269         char *next_external_char;
 270         char *internal_name;
 271         u32 length;
 272         u32 num_segments;
 273         u32 num_carats;
 274         u8 fully_qualified;
 275 };
 276
 277 /* Field creation info */
 278
 279 struct acpi_create_field_info {
 280         struct acpi_namespace_node *region_node;
 281         struct acpi_namespace_node *field_node;
 282         struct acpi_namespace_node *register_node;
 283         struct acpi_namespace_node *data_register_node;
 284         u32 bank_value;
 285         u32 field_bit_position;
 286         u32 field_bit_length;
 287         u8 field_flags;
 288         u8 attribute;
 289         u8 field_type;
 290 };
 291
 292 typedef
 293 acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
 294
 295 /*
 296  * Bitmapped ACPI types.  Used internally only
 297  */
 298 #define ACPI_BTYPE_ANY                  0x00000000
 299 #define ACPI_BTYPE_INTEGER              0x00000001
 300 #define ACPI_BTYPE_STRING               0x00000002
 301 #define ACPI_BTYPE_BUFFER               0x00000004
 302 #define ACPI_BTYPE_PACKAGE              0x00000008
 303 #define ACPI_BTYPE_FIELD_UNIT           0x00000010
 304 #define ACPI_BTYPE_DEVICE               0x00000020
 305 #define ACPI_BTYPE_EVENT                0x00000040
 306 #define ACPI_BTYPE_METHOD               0x00000080
 307 #define ACPI_BTYPE_MUTEX                0x00000100
 308 #define ACPI_BTYPE_REGION               0x00000200
 309 #define ACPI_BTYPE_POWER                0x00000400
 310 #define ACPI_BTYPE_PROCESSOR            0x00000800
 311 #define ACPI_BTYPE_THERMAL              0x00001000
 312 #define ACPI_BTYPE_BUFFER_FIELD         0x00002000
 313 #define ACPI_BTYPE_DDB_HANDLE           0x00004000
 314 #define ACPI_BTYPE_DEBUG_OBJECT         0x00008000
 315 #define ACPI_BTYPE_REFERENCE            0x00010000
 316 #define ACPI_BTYPE_RESOURCE             0x00020000
 317
 318 #define ACPI_BTYPE_COMPUTE_DATA         (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)
 319
 320 #define ACPI_BTYPE_DATA                 (ACPI_BTYPE_COMPUTE_DATA  | ACPI_BTYPE_PACKAGE)
 321 #define ACPI_BTYPE_DATA_REFERENCE       (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE)
 322 #define ACPI_BTYPE_DEVICE_OBJECTS       (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
 323 #define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF      /* ARG or LOCAL */
 324 #define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
 325
 326 /*****************************************************************************
 327  *
 328  * Event typedefs and structs
 329  *
 330  ****************************************************************************/
 331
 332 /* Dispatch info for each GPE -- either a method or handler, cannot be both */
 333
 334 struct acpi_handler_info {
 335         acpi_event_handler address;     /* Address of handler, if any */
 336         void *context;          /* Context to be passed to handler */
 337         struct acpi_namespace_node *method_node;        /* Method node for this GPE level (saved) */
 338 };
 339
 340 union acpi_gpe_dispatch_info {
 341         struct acpi_namespace_node *method_node;        /* Method node for this GPE level */
 342         struct acpi_handler_info *handler;
 343 };
 344
 345 /*
 346  * Information about a GPE, one per each GPE in an array.
 347  * NOTE: Important to keep this struct as small as possible.
 348  */
 349 struct acpi_gpe_event_info {
 350         union acpi_gpe_dispatch_info dispatch;  /* Either Method or Handler */
 351         struct acpi_gpe_register_info *register_info;   /* Backpointer to register info */
 352         u8 flags;               /* Misc info about this GPE */
 353         u8 register_bit;        /* This GPE bit within the register */
 354 };
 355
 356 /* Information about a GPE register pair, one per each status/enable pair in an array */
 357
 358 struct acpi_gpe_register_info {
 359         struct acpi_generic_address status_address;     /* Address of status reg */
 360         struct acpi_generic_address enable_address;     /* Address of enable reg */
 361         u8 enable_for_wake;     /* GPEs to keep enabled when sleeping */
 362         u8 enable_for_run;      /* GPEs to keep enabled when running */
 363         u8 base_gpe_number;     /* Base GPE number for this register */
 364 };
 365
 366 /*
 367  * Information about a GPE register block, one per each installed block --
 368  * GPE0, GPE1, and one per each installed GPE Block Device.
 369  */
 370 struct acpi_gpe_block_info {
 371         struct acpi_namespace_node *node;
 372         struct acpi_gpe_block_info *previous;
 373         struct acpi_gpe_block_info *next;
 374         struct acpi_gpe_xrupt_info *xrupt_block;        /* Backpointer to interrupt block */
 375         struct acpi_gpe_register_info *register_info;   /* One per GPE register pair */
 376         struct acpi_gpe_event_info *event_info; /* One for each GPE */
 377         struct acpi_generic_address block_address;      /* Base address of the block */
 378         u32 register_count;     /* Number of register pairs in block */
 379         u8 block_base_number;   /* Base GPE number for this block */
 380 };
 381
 382 /* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
 383
 384 struct acpi_gpe_xrupt_info {
 385         struct acpi_gpe_xrupt_info *previous;
 386         struct acpi_gpe_xrupt_info *next;
 387         struct acpi_gpe_block_info *gpe_block_list_head;        /* List of GPE blocks for this xrupt */
 388         u32 interrupt_number;   /* System interrupt number */
 389 };
 390
 391 struct acpi_gpe_walk_info {
 392         struct acpi_namespace_node *gpe_device;
 393         struct acpi_gpe_block_info *gpe_block;
 394 };
 395
 396 typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
 397                                          gpe_xrupt_info,
 398                                          struct acpi_gpe_block_info *
 399                                          gpe_block);
 400
 401 /* Information about each particular fixed event */
 402
 403 struct acpi_fixed_event_handler {
 404         acpi_event_handler handler;     /* Address of handler. */
 405         void *context;          /* Context to be passed to handler */
 406 };
 407
 408 struct acpi_fixed_event_info {
 409         u8 status_register_id;
 410         u8 enable_register_id;
 411         u16 status_bit_mask;
 412         u16 enable_bit_mask;
 413 };
 414
 415 /* Information used during field processing */
 416
 417 struct acpi_field_info {
 418         u8 skip_field;
 419         u8 field_flag;
 420         u32 pkg_length;
 421 };
 422
 423 /*****************************************************************************
 424  *
 425  * Generic "state" object for stacks
 426  *
 427  ****************************************************************************/
 428
 429 #define ACPI_CONTROL_NORMAL                  0xC0
 430 #define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
 431 #define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
 432 #define ACPI_CONTROL_PREDICATE_FALSE         0xC3
 433 #define ACPI_CONTROL_PREDICATE_TRUE          0xC4
 434
 435 #define ACPI_STATE_COMMON \
 436         void                            *next; \
 437         u8                              descriptor_type; /* To differentiate various internal objs */\
 438         u8                              flags; \
 439         u16                             value; \
 440         u16                             state;
 441
 442         /* There are 2 bytes available here until the next natural alignment boundary */
 443
 444 struct acpi_common_state {
 445 ACPI_STATE_COMMON};
 446
 447 /*
 448  * Update state - used to traverse complex objects such as packages
 449  */
 450 struct acpi_update_state {
 451         ACPI_STATE_COMMON union acpi_operand_object *object;
 452 };
 453
 454 /*
 455  * Pkg state - used to traverse nested package structures
 456  */
 457 struct acpi_pkg_state {
 458         ACPI_STATE_COMMON u16 index;
 459         union acpi_operand_object *source_object;
 460         union acpi_operand_object *dest_object;
 461         struct acpi_walk_state *walk_state;
 462         void *this_target_obj;
 463         u32 num_packages;
 464 };
 465
 466 /*
 467  * Control state - one per if/else and while constructs.
 468  * Allows nesting of these constructs
 469  */
 470 struct acpi_control_state {
 471         ACPI_STATE_COMMON u16 opcode;
 472         union acpi_parse_object *predicate_op;
 473         u8 *aml_predicate_start;        /* Start of if/while predicate */
 474         u8 *package_end;        /* End of if/while block */
 475 };
 476
 477 /*
 478  * Scope state - current scope during namespace lookups
 479  */
 480 struct acpi_scope_state {
 481         ACPI_STATE_COMMON struct acpi_namespace_node *node;
 482 };
 483
 484 struct acpi_pscope_state {
 485         ACPI_STATE_COMMON u32 arg_count;        /* Number of fixed arguments */
 486         union acpi_parse_object *op;    /* Current op being parsed */
 487         u8 *arg_end;            /* Current argument end */
 488         u8 *pkg_end;            /* Current package end */
 489         u32 arg_list;           /* Next argument to parse */
 490 };
 491
 492 /*
 493  * Thread state - one per thread across multiple walk states.  Multiple walk
 494  * states are created when there are nested control methods executing.
 495  */
 496 struct acpi_thread_state {
 497         ACPI_STATE_COMMON u8 current_sync_level;        /* Mutex Sync (nested acquire) level */
 498         struct acpi_walk_state *walk_state_list;        /* Head of list of walk_states for this thread */
 499         union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */
 500         acpi_thread_id thread_id;       /* Running thread ID */
 501 };
 502
 503 /*
 504  * Result values - used to accumulate the results of nested
 505  * AML arguments
 506  */
 507 struct acpi_result_values {
 508         ACPI_STATE_COMMON u8 num_results;
 509         u8 last_insert;
 510         union acpi_operand_object *obj_desc[ACPI_OBJ_NUM_OPERANDS];
 511 };
 512
 513 typedef
 514 acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
 515                                     union acpi_parse_object ** out_op);
 516
 517 typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
 518
 519 /*
 520  * Notify info - used to pass info to the deferred notify
 521  * handler/dispatcher.
 522  */
 523 struct acpi_notify_info {
 524         ACPI_STATE_COMMON struct acpi_namespace_node *node;
 525         union acpi_operand_object *handler_obj;
 526 };
 527
 528 /* Generic state is union of structs above */
 529
 530 union acpi_generic_state {
 531         struct acpi_common_state common;
 532         struct acpi_control_state control;
 533         struct acpi_update_state update;
 534         struct acpi_scope_state scope;
 535         struct acpi_pscope_state parse_scope;
 536         struct acpi_pkg_state pkg;
 537         struct acpi_thread_state thread;
 538         struct acpi_result_values results;
 539         struct acpi_notify_info notify;
 540 };
 541
 542 /*****************************************************************************
 543  *
 544  * Interpreter typedefs and structs
 545  *
 546  ****************************************************************************/
 547
 548 typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state);
 549
 550 /*****************************************************************************
 551  *
 552  * Parser typedefs and structs
 553  *
 554  ****************************************************************************/
 555
 556 /*
 557  * AML opcode, name, and argument layout
 558  */
 559 struct acpi_opcode_info {
 560 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
 561         char *name;             /* Opcode name (disassembler/debug only) */
 562 #endif
 563         u32 parse_args;         /* Grammar/Parse time arguments */
 564         u32 runtime_args;       /* Interpret time arguments */
 565         u16 flags;              /* Misc flags */
 566         u8 object_type;         /* Corresponding internal object type */
 567         u8 class;               /* Opcode class */
 568         u8 type;                /* Opcode type */
 569 };
 570
 571 union acpi_parse_value {
 572         acpi_integer integer;   /* Integer constant (Up to 64 bits) */
 573         struct uint64_struct integer64; /* Structure overlay for 2 32-bit Dwords */
 574         u32 size;               /* bytelist or field size */
 575         char *string;           /* NULL terminated string */
 576         u8 *buffer;             /* buffer or string */
 577         char *name;             /* NULL terminated string */
 578         union acpi_parse_object *arg;   /* arguments and contained ops */
 579 };
 580
 581 #define ACPI_PARSE_COMMON \
 582         union acpi_parse_object         *parent;        /* Parent op */\
 583         u8                              descriptor_type; /* To differentiate various internal objs */\
 584         u8                              flags;          /* Type of Op */\
 585         u16                             aml_opcode;     /* AML opcode */\
 586         u32                             aml_offset;     /* Offset of declaration in AML */\
 587         union acpi_parse_object         *next;          /* Next op */\
 588         struct acpi_namespace_node      *node;          /* For use by interpreter */\
 589         union acpi_parse_value          value;          /* Value or args associated with the opcode */\
 590         ACPI_DISASM_ONLY_MEMBERS (\
 591         u8                              disasm_flags;   /* Used during AML disassembly */\
 592         u8                              disasm_opcode;  /* Subtype used for disassembly */\
 593         char                            aml_op_name[16])        /* Op name (debug only) */
 594
 595 #define ACPI_DASM_BUFFER                0x00
 596 #define ACPI_DASM_RESOURCE              0x01
 597 #define ACPI_DASM_STRING                0x02
 598 #define ACPI_DASM_UNICODE               0x03
 599 #define ACPI_DASM_EISAID                0x04
 600 #define ACPI_DASM_MATCHOP               0x05
 601 #define ACPI_DASM_LNOT_PREFIX           0x06
 602 #define ACPI_DASM_LNOT_SUFFIX           0x07
 603 #define ACPI_DASM_IGNORE                0x08
 604
 605 /*
 606  * Generic operation (for example:  If, While, Store)
 607  */
 608 struct acpi_parse_obj_common {
 609 ACPI_PARSE_COMMON};
 610
 611 /*
 612  * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
 613  * and bytelists.
 614  */
 615 struct acpi_parse_obj_named {
 616         ACPI_PARSE_COMMON u8 * path;
 617         u8 *data;               /* AML body or bytelist data */
 618         u32 length;             /* AML length */
 619         u32 name;               /* 4-byte name or zero if no name */
 620 };
 621
 622 /* This version is used by the i_aSL compiler only */
 623
 624 #define ACPI_MAX_PARSEOP_NAME   20
 625
 626 struct acpi_parse_obj_asl {
 627         ACPI_PARSE_COMMON union acpi_parse_object *child;
 628         union acpi_parse_object *parent_method;
 629         char *filename;
 630         char *external_name;
 631         char *namepath;
 632         char name_seg[4];
 633         u32 extra_value;
 634         u32 column;
 635         u32 line_number;
 636         u32 logical_line_number;
 637         u32 logical_byte_offset;
 638         u32 end_line;
 639         u32 end_logical_line;
 640         u32 acpi_btype;
 641         u32 aml_length;
 642         u32 aml_subtree_length;
 643         u32 final_aml_length;
 644         u32 final_aml_offset;
 645         u32 compile_flags;
 646         u16 parse_opcode;
 647         u8 aml_opcode_length;
 648         u8 aml_pkg_len_bytes;
 649         u8 extra;
 650         char parse_op_name[ACPI_MAX_PARSEOP_NAME];
 651 };
 652
 653 union acpi_parse_object {
 654         struct acpi_parse_obj_common common;
 655         struct acpi_parse_obj_named named;
 656         struct acpi_parse_obj_asl asl;
 657 };
 658
 659 /*
 660  * Parse state - one state per parser invocation and each control
 661  * method.
 662  */
 663 struct acpi_parse_state {
 664         u8 *aml_start;          /* First AML byte */
 665         u8 *aml;                /* Next AML byte */
 666         u8 *aml_end;            /* (last + 1) AML byte */
 667         u8 *pkg_start;          /* Current package begin */
 668         u8 *pkg_end;            /* Current package end */
 669         union acpi_parse_object *start_op;      /* Root of parse tree */
 670         struct acpi_namespace_node *start_node;
 671         union acpi_generic_state *scope;        /* Current scope */
 672         union acpi_parse_object *start_scope;
 673         u32 aml_size;
 674 };
 675
 676 /* Parse object flags */
 677
 678 #define ACPI_PARSEOP_GENERIC            0x01
 679 #define ACPI_PARSEOP_NAMED              0x02
 680 #define ACPI_PARSEOP_DEFERRED           0x04
 681 #define ACPI_PARSEOP_BYTELIST           0x08
 682 #define ACPI_PARSEOP_IN_CACHE           0x80
 683
 684 /* Parse object disasm_flags */
 685
 686 #define ACPI_PARSEOP_IGNORE             0x01
 687 #define ACPI_PARSEOP_PARAMLIST          0x02
 688 #define ACPI_PARSEOP_EMPTY_TERMLIST     0x04
 689 #define ACPI_PARSEOP_SPECIAL            0x10
 690
 691 /*****************************************************************************
 692  *
 693  * Hardware (ACPI registers) and PNP
 694  *
 695  ****************************************************************************/
 696
 697 #define PCI_ROOT_HID_STRING             "PNP0A03"
 698 #define PCI_EXPRESS_ROOT_HID_STRING     "PNP0A08"
 699
 700 struct acpi_bit_register_info {
 701         u8 parent_register;
 702         u8 bit_position;
 703         u16 access_bit_mask;
 704 };
 705
 706 /*
 707  * Some ACPI registers have bits that must be ignored -- meaning that they
 708  * must be preserved.
 709  */
 710 #define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800  /* Bit 11 */
 711 #define ACPI_PM1_CONTROL_PRESERVED_BITS         0x0200  /* Bit 9 (whatever) */
 712
 713 /*
 714  * Register IDs
 715  * These are the full ACPI registers
 716  */
 717 #define ACPI_REGISTER_PM1_STATUS                0x01
 718 #define ACPI_REGISTER_PM1_ENABLE                0x02
 719 #define ACPI_REGISTER_PM1_CONTROL               0x03
 720 #define ACPI_REGISTER_PM1A_CONTROL              0x04
 721 #define ACPI_REGISTER_PM1B_CONTROL              0x05
 722 #define ACPI_REGISTER_PM2_CONTROL               0x06
 723 #define ACPI_REGISTER_PM_TIMER                  0x07
 724 #define ACPI_REGISTER_PROCESSOR_BLOCK           0x08
 725 #define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x09
 726
 727 /* Masks used to access the bit_registers */
 728
 729 #define ACPI_BITMASK_TIMER_STATUS               0x0001
 730 #define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
 731 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
 732 #define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
 733 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
 734 #define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
 735 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000  /* ACPI 3.0 */
 736 #define ACPI_BITMASK_WAKE_STATUS                0x8000
 737
 738 #define ACPI_BITMASK_ALL_FIXED_STATUS           (\
 739         ACPI_BITMASK_TIMER_STATUS          | \
 740         ACPI_BITMASK_BUS_MASTER_STATUS     | \
 741         ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
 742         ACPI_BITMASK_POWER_BUTTON_STATUS   | \
 743         ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
 744         ACPI_BITMASK_RT_CLOCK_STATUS       | \
 745         ACPI_BITMASK_WAKE_STATUS)
 746
 747 #define ACPI_BITMASK_TIMER_ENABLE               0x0001
 748 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
 749 #define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
 750 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
 751 #define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
 752 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000  /* ACPI 3.0 */
 753
 754 #define ACPI_BITMASK_SCI_ENABLE                 0x0001
 755 #define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
 756 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
 757 #define ACPI_BITMASK_SLEEP_TYPE_X               0x1C00
 758 #define ACPI_BITMASK_SLEEP_ENABLE               0x2000
 759
 760 #define ACPI_BITMASK_ARB_DISABLE                0x0001
 761
 762 /* Raw bit position of each bit_register */
 763
 764 #define ACPI_BITPOSITION_TIMER_STATUS           0x00
 765 #define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
 766 #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
 767 #define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
 768 #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
 769 #define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
 770 #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E    /* ACPI 3.0 */
 771 #define ACPI_BITPOSITION_WAKE_STATUS            0x0F
 772
 773 #define ACPI_BITPOSITION_TIMER_ENABLE           0x00
 774 #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
 775 #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
 776 #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
 777 #define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
 778 #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E    /* ACPI 3.0 */
 779
 780 #define ACPI_BITPOSITION_SCI_ENABLE             0x00
 781 #define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
 782 #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
 783 #define ACPI_BITPOSITION_SLEEP_TYPE_X           0x0A
 784 #define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
 785
 786 #define ACPI_BITPOSITION_ARB_DISABLE            0x00
 787
 788 /*****************************************************************************
 789  *
 790  * Resource descriptors
 791  *
 792  ****************************************************************************/
 793
 794 /* resource_type values */
 795
 796 #define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
 797 #define ACPI_ADDRESS_TYPE_IO_RANGE              1
 798 #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
 799
 800 /* Resource descriptor types and masks */
 801
 802 #define ACPI_RESOURCE_NAME_LARGE                0x80
 803 #define ACPI_RESOURCE_NAME_SMALL                0x00
 804
 805 #define ACPI_RESOURCE_NAME_SMALL_MASK           0x78    /* Bits 6:3 contain the type */
 806 #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07    /* Bits 2:0 contain the length */
 807 #define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F    /* Bits 6:0 contain the type */
 808
 809 /*
 810  * Small resource descriptor "names" as defined by the ACPI specification.
 811  * Note: Bits 2:0 are used for the descriptor length
 812  */
 813 #define ACPI_RESOURCE_NAME_IRQ                  0x20
 814 #define ACPI_RESOURCE_NAME_DMA                  0x28
 815 #define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
 816 #define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
 817 #define ACPI_RESOURCE_NAME_IO                   0x40
 818 #define ACPI_RESOURCE_NAME_FIXED_IO             0x48
 819 #define ACPI_RESOURCE_NAME_RESERVED_S1          0x50
 820 #define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
 821 #define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
 822 #define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
 823 #define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
 824 #define ACPI_RESOURCE_NAME_END_TAG              0x78
 825
 826 /*
 827  * Large resource descriptor "names" as defined by the ACPI specification.
 828  * Note: includes the Large Descriptor bit in bit[7]
 829  */
 830 #define ACPI_RESOURCE_NAME_MEMORY24             0x81
 831 #define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
 832 #define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
 833 #define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
 834 #define ACPI_RESOURCE_NAME_MEMORY32             0x85
 835 #define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
 836 #define ACPI_RESOURCE_NAME_ADDRESS32            0x87
 837 #define ACPI_RESOURCE_NAME_ADDRESS16            0x88
 838 #define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
 839 #define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
 840 #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
 841 #define ACPI_RESOURCE_NAME_LARGE_MAX            0x8B
 842
 843 /*****************************************************************************
 844  *
 845  * Miscellaneous
 846  *
 847  ****************************************************************************/
 848
 849 #define ACPI_ASCII_ZERO                 0x30
 850
 851 /*****************************************************************************
 852  *
 853  * Debugger
 854  *
 855  ****************************************************************************/
 856
 857 struct acpi_db_method_info {
 858         acpi_handle thread_gate;
 859         char *name;
 860         char **args;
 861         u32 flags;
 862         u32 num_loops;
 863         char pathname[128];
 864 };
 865
 866 struct acpi_integrity_info {
 867         u32 nodes;
 868         u32 objects;
 869 };
 870
 871 #define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
 872 #define ACPI_DB_CONSOLE_OUTPUT          0x02
 873 #define ACPI_DB_DUPLICATE_OUTPUT        0x03
 874
 875 /*****************************************************************************
 876  *
 877  * Debug
 878  *
 879  ****************************************************************************/
 880
 881 /* Entry for a memory allocation (debug only) */
 882
 883 #define ACPI_MEM_MALLOC                 0
 884 #define ACPI_MEM_CALLOC                 1
 885 #define ACPI_MAX_MODULE_NAME            16
 886
 887 #define ACPI_COMMON_DEBUG_MEM_HEADER \
 888         struct acpi_debug_mem_block     *previous; \
 889         struct acpi_debug_mem_block     *next; \
 890         u32                             size; \
 891         u32                             component; \
 892         u32                             line; \
 893         char                            module[ACPI_MAX_MODULE_NAME]; \
 894         u8                              alloc_type;
 895
 896 struct acpi_debug_mem_header {
 897 ACPI_COMMON_DEBUG_MEM_HEADER};
 898
 899 struct acpi_debug_mem_block {
 900         ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
 901 };
 902
 903 #define ACPI_MEM_LIST_GLOBAL            0
 904 #define ACPI_MEM_LIST_NSNODE            1
 905 #define ACPI_MEM_LIST_MAX               1
 906 #define ACPI_NUM_MEM_LISTS              2
 907
 908 struct acpi_memory_list {
 909         char *list_name;
 910         void *list_head;
 911         u16 object_size;
 912         u16 max_depth;
 913         u16 current_depth;
 914         u16 link_offset;
 915
 916 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 917
 918         /* Statistics for debug memory tracking only */
 919
 920         u32 total_allocated;
 921         u32 total_freed;
 922         u32 current_total_size;
 923         u32 requests;
 924         u32 hits;
 925 #endif
 926 };
 927
 928 #endif                          /* __ACLOCAL_H__ */