drivers/bus/acpi/ospm/include/bm.h

   1 /*****************************************************************************
   2  *
   3  * Module name: bm.h
   4  *   $Revision$
   5  *
   6  *****************************************************************************/
   7
   8 /*
   9  *  Copyright (C) 2000, 2001 Andrew Grover
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, write to the Free Software
  23  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  24  */
  25
  26 #ifndef __BM_H__
  27 #define __BM_H__
  28
  29 #include <actypes.h>
  30 #include <acexcep.h>
  31
  32
  33 /*****************************************************************************
  34  *                               Types & Defines
  35  *****************************************************************************/
  36
  37 /*
  38  * Output Flags (Debug):
  39  * ---------------------
  40  */
  41 #define BM_PRINT_ALL                    (0x00000000)
  42 #define BM_PRINT_GROUP                  (0x00000001)
  43 #define BM_PRINT_LINKAGE                (0x00000002)
  44 #define BM_PRINT_IDENTIFICATION         (0x00000004)
  45 #define BM_PRINT_POWER                  (0x00000008)
  46 #define BM_PRINT_PRESENT                (0x00000010)
  47
  48
  49 /*
  50  * /proc Interface:
  51  * ----------------
  52  */
  53 #define BM_PROC_ROOT                    "acpi"
  54 #define BM_PROC_EVENT                   "event"
  55
  56 extern struct proc_dir_entry            *bm_proc_root;
  57
  58
  59 /*
  60  * BM_COMMAND:
  61  * -----------
  62  */
  63 typedef u32                             BM_COMMAND;
  64
  65 #define BM_COMMAND_UNKNOWN              ((BM_COMMAND) 0x00)
  66
  67 #define BM_COMMAND_GET_POWER_STATE      ((BM_COMMAND) 0x01)
  68 #define BM_COMMAND_SET_POWER_STATE      ((BM_COMMAND) 0x02)
  69
  70 #define BM_COMMAND_DEVICE_SPECIFIC      ((BM_COMMAND) 0x80)
  71
  72 /*
  73  * BM_NOTIFY:
  74  * ----------
  75  * Standard ACPI notification values, from section 5.6.3 of the ACPI 2.0
  76  * specification.  Note that the Bus Manager internally handles all
  77  * standard ACPI notifications -- driver modules are never sent these
  78  * values (see "Bus Manager Notifications", below).
  79  */
  80 typedef u32                             BM_NOTIFY;
  81
  82 #define BM_NOTIFY_BUS_CHECK             ((BM_NOTIFY) 0x00)
  83 #define BM_NOTIFY_DEVICE_CHECK          ((BM_NOTIFY) 0x01)
  84 #define BM_NOTIFY_DEVICE_WAKE           ((BM_NOTIFY) 0x02)
  85 #define BM_NOTIFY_EJECT_REQUEST         ((BM_NOTIFY) 0x03)
  86 #define BM_NOTIFY_DEVICE_CHECK_LIGHT    ((BM_NOTIFY) 0x04)
  87 #define BM_NOTIFY_FREQUENCY_MISMATCH    ((BM_NOTIFY) 0x05)
  88 #define BM_NOTIFY_BUS_MODE_MISMATCH     ((BM_NOTIFY) 0x06)
  89 #define BM_NOTIFY_POWER_FAULT           ((BM_NOTIFY) 0x07)
  90
  91 /*
  92  * These are a higher-level abstraction of ACPI notifications, intended
  93  * for consumption by driver modules to facilitate PnP.
  94  */
  95 #define BM_NOTIFY_UNKNOWN               ((BM_NOTIFY) 0x00)
  96 #define BM_NOTIFY_DEVICE_ADDED          ((BM_NOTIFY) 0x01)
  97 #define BM_NOTIFY_DEVICE_REMOVED        ((BM_NOTIFY) 0x02)
  98
  99
 100 /*
 101  * BM_HANDLE:
 102  * ----------
 103  */
 104 typedef u32                             BM_HANDLE;
 105
 106 #define BM_HANDLE_UNKNOWN               ((BM_HANDLE) 0x00)
 107 #define BM_HANDLE_ROOT                  ((BM_HANDLE) 0x00)
 108 #define BM_HANDLES_MAX                  256
 109
 110
 111
 112 /*
 113  * BM_HANDLE_LIST:
 114  * ---------------
 115  */
 116 typedef struct
 117 {
 118         u32                             count;
 119         BM_HANDLE                       handles[BM_HANDLES_MAX];
 120 } BM_HANDLE_LIST;
 121
 122
 123 /*
 124  * BM_DEVICE_TYPE:
 125  * ---------------
 126  */
 127 typedef u32                             BM_DEVICE_TYPE;
 128
 129 #define BM_TYPE_UNKNOWN                 ((BM_DEVICE_TYPE) 0x00000000)
 130
 131 #define BM_TYPE_SCOPE                   ((BM_DEVICE_TYPE) 0x00000001)
 132 #define BM_TYPE_PROCESSOR               ((BM_DEVICE_TYPE) 0x00000002)
 133 #define BM_TYPE_THERMAL_ZONE            ((BM_DEVICE_TYPE) 0x00000004)
 134 #define BM_TYPE_POWER_RESOURCE          ((BM_DEVICE_TYPE) 0x00000008)
 135 #define BM_TYPE_DEVICE                  ((BM_DEVICE_TYPE) 0x00000010)
 136 #define BM_TYPE_FIXED_BUTTON            ((BM_DEVICE_TYPE) 0x00000020)
 137 #define BM_TYPE_SYSTEM                  ((BM_DEVICE_TYPE) 0x80000000)
 138 #define BM_TYPE_ALL                     ((BM_DEVICE_TYPE) 0xFFFFFFFF)
 139
 140
 141 /*
 142  * BM_DEVICE_UID:
 143  * --------------
 144  */
 145 typedef char                            BM_DEVICE_UID[9];
 146
 147 #define BM_UID_UNKNOWN                  '0'
 148
 149
 150 /*
 151  * BM_DEVICE_HID:
 152  * --------------
 153  */
 154 typedef char                            BM_DEVICE_HID[9];
 155
 156 #define BM_HID_UNKNOWN                  '\0'
 157 #define BM_HID_POWER_BUTTON             "PNP0C0C"
 158 #define BM_HID_SLEEP_BUTTON             "PNP0C0E"
 159
 160 /*
 161  * BM_DEVICE_CID:
 162  *     The compatibility ID can be a string with 44 characters
 163  *     The extra pad is in case there is a change.  It also
 164  *     provides 8 byte alignment for the BM_DEVICE_ID structure.
 165  * -------------------------------------------------------------
 166  */
 167 typedef char                            BM_DEVICE_CID[46];
 168
 169
 170 /*
 171  * BM_DEVICE_ADR:
 172  * --------------
 173  */
 174 typedef u32                             BM_DEVICE_ADR;
 175
 176 #define BM_ADDRESS_UNKNOWN              0
 177
 178
 179 /*
 180  * BM_DEVICE_FLAGS:
 181  * ----------------
 182  * The encoding of BM_DEVICE_FLAGS is illustrated below.
 183  * Note that a set bit (1) indicates the property is TRUE
 184  * (e.g. if bit 0 is set then the device has dynamic status).
 185  * +--+------------+-+-+-+-+-+-+-+
 186  * |31| Bits 31:11 |6|5|4|3|2|1|0|
 187  * +--+------------+-+-+-+-+-+-+-+
 188  *   |       |      | | | | | | |
 189  *   |       |      | | | | | | +- Dynamic status?
 190  *   |       |      | | | | | +--- Identifiable?
 191  *   |       |      | | | | +----- Configurable?
 192  *   |       |      | | | +------- Power Manageable?
 193  *   |       |      | | +--------- Ejectable?
 194  *   |       |      | +----------- Docking Station?
 195  *   |       |      +------------- Fixed-Feature?
 196  *   |       +-------------------- <Reserved>
 197  *   +---------------------------- Driver Control?
 198  *
 199  * Dynamic status:  Device has a _STA object.
 200  * Identifiable:    Device has a _HID and/or _ADR and possibly other
 201  *                  identification objects defined.
 202  * Configurable:    Device has a _CRS and possibly other configuration
 203  *                  objects defined.
 204  * Power Control:   Device has a _PR0 and/or _PS0 and possibly other
 205  *                  power management objects defined.
 206  * Ejectable:       Device has an _EJD and/or _EJx and possibly other
 207  *                  dynamic insertion/removal objects defined.
 208  * Docking Station: Device has a _DCK object defined.
 209  * Fixed-Feature:   Device does not exist in the namespace; was
 210  *                  enumerated as a fixed-feature (e.g. power button).
 211  * Power Manageable:Can change device's power consumption behavior.
 212  * Has a HID:       In the BIOS ASL this device has a hardware ID as
 213  *                  defined in section 6.1.4 of ACPI Spec 2.0
 214  * Has a CID:       In the BIOS ASL this device has a compatible ID as
 215  *                  defined in section 6.1.2 of ACPI Spec 2.0
 216  * Has a ADR:       In the BIOS ASL this device has an address ID as
 217  *                  defined in section 6.1.1 of ACPI Spec 2.0
 218  * Is a bridge:     This device is recognized as a bridge to another bus.
 219  * Is on PCI bus:   This device is on a PCI bus or within PCI configuration
 220  *                  address space.
 221  * Is on USB bus:   This device is on or within USB address space.
 222  * Is on SCSI bus:  This device is on or within SCSI address space.
 223  * Driver Control:  A driver has been installed for this device.
 224  */
 225 typedef u32                             BM_DEVICE_FLAGS;
 226
 227 #define BM_FLAGS_UNKNOWN                ((BM_DEVICE_FLAGS) 0x00000000)
 228
 229 #define BM_FLAGS_DYNAMIC_STATUS         ((BM_DEVICE_FLAGS) 0x00000001)
 230 #define BM_FLAGS_IDENTIFIABLE           ((BM_DEVICE_FLAGS) 0x00000002)
 231 #define BM_FLAGS_CONFIGURABLE           ((BM_DEVICE_FLAGS) 0x00000004)
 232 #define BM_FLAGS_POWER_CONTROL          ((BM_DEVICE_FLAGS) 0x00000008)
 233 #define BM_FLAGS_EJECTABLE              ((BM_DEVICE_FLAGS) 0x00000010)
 234 #define BM_FLAGS_DOCKING_STATION        ((BM_DEVICE_FLAGS) 0x00000020)
 235 #define BM_FLAGS_FIXED_FEATURE          ((BM_DEVICE_FLAGS) 0x00000040)
 236 #define BM_FLAGS_IS_POWER_MANAGEABLE    ((BM_DEVICE_FLAGS) 0x00000080)
 237 #define BM_FLAGS_HAS_A_HID              ((BM_DEVICE_FLAGS) 0x00000100)
 238 #define BM_FLAGS_HAS_A_CID              ((BM_DEVICE_FLAGS) 0x00000200)
 239 #define BM_FLAGS_HAS_A_ADR              ((BM_DEVICE_FLAGS) 0x00000400)
 240 #define BM_FLAGS_IS_A_BRIDGE            ((BM_DEVICE_FLAGS) 0x00000800)
 241 #define BM_FLAGS_IS_ON_PCI_BUS          ((BM_DEVICE_FLAGS) 0x00001000)
 242 #define BM_FLAGS_IS_ON_USB_BUS          ((BM_DEVICE_FLAGS) 0x00002000)
 243 #define BM_FLAGS_IS_ON_SCSI_BUS         ((BM_DEVICE_FLAGS) 0x00004000)
 244 #define BM_FLAGS_DRIVER_CONTROL         ((BM_DEVICE_FLAGS) 0x80000000)
 245
 246 /*
 247  * Device PM Flags:
 248  * ----------------
 249  * +-----------+-+-+-+-+-+-+-+
 250  * | Bits 31:7 |6|5|4|3|2|1|0|
 251  * +-----------+-+-+-+-+-+-+-+
 252  *       |      | | | | | | |
 253  *       |      | | | | | | +- D0 Support?
 254  *       |      | | | | | +--- D1 Support?
 255  *       |      | | | | +----- D2 Support?
 256  *       |      | | | +------- D3 Support?
 257  *       |      | | +--------- Power State Queriable?
 258  *       |      | +----------- Inrush Current?
 259  *       |      +------------- Wake Capable?
 260  *       +-------------------- <Reserved>
 261  *
 262  * D0-D3 Support:   Device supports corresponding Dx state.
 263  * Power State:     Device has a _PSC (current power state) object defined.
 264  * Inrush Current:  Device has an _IRC (inrush current) object defined.
 265  * Wake Capable:    Device has a _PRW (wake-capable) object defined.
 266  */
 267 #define BM_FLAGS_D0_SUPPORT             ((BM_DEVICE_FLAGS) 0x00000001)
 268 #define BM_FLAGS_D1_SUPPORT             ((BM_DEVICE_FLAGS) 0x00000002)
 269 #define BM_FLAGS_D2_SUPPORT             ((BM_DEVICE_FLAGS) 0x00000004)
 270 #define BM_FLAGS_D3_SUPPORT             ((BM_DEVICE_FLAGS) 0x00000008)
 271 #define BM_FLAGS_POWER_STATE            ((BM_DEVICE_FLAGS) 0x00000010)
 272 #define BM_FLAGS_INRUSH_CURRENT         ((BM_DEVICE_FLAGS) 0x00000020)
 273 #define BM_FLAGS_WAKE_CAPABLE           ((BM_DEVICE_FLAGS) 0x00000040)
 274
 275
 276 /*
 277  * BM_DEVICE_STATUS:
 278  * -----------------
 279  * The encoding of BM_DEVICE_STATUS is illustrated below.
 280  * Note that a set bit (1) indicates the property is TRUE
 281  * (e.g. if bit 0 is set then the device is present).
 282  * +-----------+-+-+-+-+-+
 283  * | Bits 31:4 |4|3|2|1|0|
 284  * +-----------+-+-+-+-+-+
 285  *       |      | | | | |
 286  *       |      | | | | +- Present?
 287  *       |      | | | +--- Enabled?
 288  *       |      | | +----- Show in UI?
 289  *       |      | +------- Functioning?
 290  *       |      +--------- Battery Present?
 291  *       +---------------- <Reserved>
 292  */
 293 typedef u32                             BM_DEVICE_STATUS;
 294
 295 #define BM_STATUS_UNKNOWN               ((BM_DEVICE_STATUS) 0x00000000)
 296 #define BM_STATUS_PRESENT               ((BM_DEVICE_STATUS) 0x00000001)
 297 #define BM_STATUS_ENABLED               ((BM_DEVICE_STATUS) 0x00000002)
 298 #define BM_STATUS_SHOW_UI               ((BM_DEVICE_STATUS) 0x00000004)
 299 #define BM_STATUS_FUNCTIONING           ((BM_DEVICE_STATUS) 0x00000008)
 300 #define BM_STATUS_BATTERY_PRESENT       ((BM_DEVICE_STATUS) 0x00000010)
 301 #define BM_STATUS_DEFAULT               ((BM_DEVICE_STATUS) 0x0000000F)
 302
 303
 304 typedef u32                             BM_POWER_STATE;
 305
 306 typedef u8                              BM_PCI_BUS_NUM;
 307 typedef u8                              BM_PCI_DEVICE_NUM;
 308 typedef u8                              BM_PCI_FUNCTION_NUM;
 309 typedef u8                              BM_U8_RESERVED;
 310 typedef u8                              BM_PCI_DEVICE_CLASS_ID;
 311 typedef u8                              BM_PCI_DEVICE_SUBCLASS_ID;
 312 typedef u8                              BM_PCI_DEVICE_PROG_IF;
 313 typedef u8                              BM_PCI_DEVICE_REVISION;
 314 typedef u16                             BM_PCI_VENDOR_ID;
 315 typedef u16                             BM_PCI_DEVICE_ID;
 316 typedef u32                             BM_U32_RESERVED;
 317
 318
 319 /*
 320  * BM_DEVICE_ID:
 321  *     This structure, when filled in for a device, provides
 322  *     an "association" between hardware space and ACPI.
 323  * -----------------------------------------------------------
 324  */
 325 typedef struct
 326 {
 327         BM_DEVICE_CID                   cid;
 328         BM_DEVICE_HID                   hid;
 329         BM_DEVICE_UID                   uid;
 330         BM_DEVICE_TYPE                  type;
 331         BM_DEVICE_ADR                   adr;
 332         BM_PCI_BUS_NUM                  pci_bus_num;
 333         BM_PCI_DEVICE_NUM               pci_device_num;
 334         BM_PCI_FUNCTION_NUM             pci_func_num;
 335         BM_U8_RESERVED                  u8_reserved;
 336         BM_PCI_DEVICE_CLASS_ID          pci_device_class_id;
 337         BM_PCI_DEVICE_SUBCLASS_ID       pci_device_subclass_id;
 338         BM_PCI_DEVICE_PROG_IF           pci_device_prog_if;
 339         BM_PCI_DEVICE_REVISION          pci_device_rev_num;
 340         BM_PCI_VENDOR_ID                pci_vendor_id;
 341         BM_PCI_DEVICE_ID                pci_device_id;
 342         BM_U32_RESERVED                 u32_reserved;
 343 } BM_DEVICE_ID;
 344
 345
 346 /*
 347  * BM_DEVICE_POWER:
 348  * ----------------
 349  * Structure containing basic device power management information.
 350  */
 351 typedef struct
 352 {
 353         BM_DEVICE_FLAGS                 flags;
 354         BM_POWER_STATE                  state;
 355         BM_DEVICE_FLAGS                 dx_supported[ACPI_S_STATE_COUNT];
 356 } BM_DEVICE_POWER;
 357
 358
 359 /*
 360  * BM_DEVICE:
 361  * ----------
 362  */
 363 typedef struct
 364 {
 365         BM_HANDLE                       handle;
 366         ACPI_HANDLE                     acpi_handle;
 367         BM_DEVICE_FLAGS                 flags;
 368         BM_DEVICE_STATUS                status;
 369         BM_DEVICE_ID                    id;
 370         BM_DEVICE_POWER                 power;
 371 } BM_DEVICE;
 372
 373
 374 /*
 375  * BM_SEARCH:
 376  * ----------
 377  * Structure used for searching the ACPI Bus Manager's device hierarchy.
 378  */
 379 typedef struct
 380 {
 381         BM_DEVICE_ID                    criteria;
 382         BM_HANDLE_LIST                  results;
 383 } BM_SEARCH;
 384
 385
 386 /*
 387  * BM_REQUEST:
 388  * -----------
 389  * Structure used for sending requests to/through the ACPI Bus Manager.
 390  */
 391 typedef struct
 392 {
 393         ACPI_STATUS                     status;
 394         BM_COMMAND                      command;
 395         BM_HANDLE                       handle;
 396         ACPI_BUFFER                     buffer;
 397 } BM_REQUEST;
 398
 399
 400 /*
 401  * Driver Registration:
 402  * --------------------
 403  */
 404
 405 /* Driver Context */
 406 typedef void *                          BM_DRIVER_CONTEXT;
 407
 408 /* Notification Callback Function */
 409 typedef
 410 ACPI_STATUS (*BM_DRIVER_NOTIFY) (
 411         BM_NOTIFY                       notify_type,
 412         BM_HANDLE                       device_handle,
 413         BM_DRIVER_CONTEXT               *context);
 414
 415 /* Request Callback Function */
 416 typedef
 417 ACPI_STATUS (*BM_DRIVER_REQUEST) (
 418         BM_REQUEST                      *request,
 419         BM_DRIVER_CONTEXT               context);
 420
 421 /* Driver Registration */
 422 typedef struct
 423 {
 424         BM_DRIVER_NOTIFY                notify;
 425         BM_DRIVER_REQUEST               request;
 426         BM_DRIVER_CONTEXT               context;
 427 } BM_DRIVER;
 428
 429
 430 /*
 431  * BM_NODE:
 432  * --------
 433  * Structure used to maintain the device hierarchy.
 434  */
 435 typedef struct _BM_NODE
 436 {
 437         BM_DEVICE                       device;
 438         BM_DRIVER                       driver;
 439         struct _BM_NODE                 *parent;
 440         struct _BM_NODE                 *next;
 441         struct
 442         {
 443                 struct _BM_NODE                 *head;
 444                 struct _BM_NODE                 *tail;
 445         }                               scope;
 446 } BM_NODE;
 447
 448
 449 /*
 450  * BM_NODE_LIST:
 451  * -------------
 452  * Structure used to maintain an array of node pointers.
 453  */
 454 typedef struct
 455 {
 456         u32                             count;
 457         BM_NODE                         *nodes[BM_HANDLES_MAX];
 458 } BM_NODE_LIST;
 459
 460
 461 /*****************************************************************************
 462  *                                  Macros
 463  *****************************************************************************/
 464
 465 #define BM_DEVICE_PRESENT(d)            (d->status & BM_STATUS_PRESENT)
 466 #define BM_NODE_PRESENT(n)              (n->device.status & BM_STATUS_PRESENT)
 467
 468
 469 /*****************************************************************************
 470  *                             Function Prototypes
 471  *****************************************************************************/
 472
 473 /* bm.c */
 474
 475 ACPI_STATUS
 476 bm_initialize (void);
 477
 478 ACPI_STATUS
 479 bm_terminate (void);
 480
 481 ACPI_STATUS
 482 bm_get_status (
 483         BM_DEVICE               *device);
 484
 485 ACPI_STATUS
 486 bm_get_handle (
 487         ACPI_HANDLE             acpi_handle,
 488         BM_HANDLE               *device_handle);
 489
 490 ACPI_STATUS
 491 bm_get_node (
 492         BM_HANDLE               device_handle,
 493         ACPI_HANDLE             acpi_handle,
 494         BM_NODE                 **node);
 495
 496 /* bmsearch.c */
 497
 498 ACPI_STATUS
 499 bm_search(
 500         BM_HANDLE               device_handle,
 501         BM_DEVICE_ID            *criteria,
 502         BM_HANDLE_LIST          *results);
 503
 504 /* bmnotify.c */
 505
 506 void
 507 bm_notify (
 508         ACPI_HANDLE             acpi_handle,
 509         u32                     notify_value,
 510         void                    *context);
 511
 512 /* bm_request.c */
 513
 514 ACPI_STATUS
 515 bm_request (
 516         BM_REQUEST              *request_info);
 517
 518 /* bmxface.c */
 519
 520 ACPI_STATUS
 521 bm_get_device_status (
 522         BM_HANDLE               device_handle,
 523         BM_DEVICE_STATUS        *device_status);
 524
 525 ACPI_STATUS
 526 bm_get_device_info (
 527         BM_HANDLE               device_handle,
 528         BM_DEVICE               **device_info);
 529
 530 ACPI_STATUS
 531 bm_get_device_context (
 532         BM_HANDLE               device_handle,
 533         BM_DRIVER_CONTEXT       *context);
 534
 535 ACPI_STATUS
 536 bm_register_driver (
 537         BM_DEVICE_ID            *criteria,
 538         BM_DRIVER               *driver);
 539
 540 ACPI_STATUS
 541 bm_unregister_driver (
 542         BM_DEVICE_ID            *criteria,
 543         BM_DRIVER               *driver);
 544
 545 /* bmpm.c */
 546
 547 ACPI_STATUS
 548 bm_get_pm_capabilities (
 549         BM_NODE                 *node);
 550
 551 ACPI_STATUS
 552 bm_get_power_state (
 553         BM_NODE                 *node);
 554
 555 ACPI_STATUS
 556 bm_set_power_state (
 557         BM_NODE                 *node,
 558         BM_POWER_STATE          target_state);
 559
 560 /* bmpower.c */
 561
 562 ACPI_STATUS
 563 bm_pr_initialize (void);
 564
 565 ACPI_STATUS
 566 bm_pr_terminate (void);
 567
 568 /* bmutils.c */
 569
 570 ACPI_STATUS
 571 bm_cast_buffer (
 572         ACPI_BUFFER             *buffer,
 573         void                    **pointer,
 574         u32                     length);
 575
 576 ACPI_STATUS
 577 bm_copy_to_buffer (
 578         ACPI_BUFFER             *buffer,
 579         void                    *data,
 580         u32                     length);
 581
 582 ACPI_STATUS
 583 bm_extract_package_data (
 584         ACPI_OBJECT             *package,
 585         ACPI_BUFFER             *format,
 586         ACPI_BUFFER             *buffer);
 587
 588 ACPI_STATUS
 589 bm_evaluate_object (
 590         ACPI_HANDLE             acpi_handle,
 591         ACPI_STRING             pathname,
 592         ACPI_OBJECT_LIST        *arguments,
 593         ACPI_BUFFER             *buffer);
 594
 595 ACPI_STATUS
 596 bm_evaluate_simple_integer (
 597         ACPI_HANDLE             acpi_handle,
 598         ACPI_STRING             pathname,
 599         u32                     *data);
 600
 601 ACPI_STATUS
 602 bm_evaluate_reference_list (
 603         ACPI_HANDLE             acpi_handle,
 604         ACPI_STRING             pathname,
 605         BM_HANDLE_LIST          *reference_list);
 606
 607 /* bm_proc.c */
 608
 609 ACPI_STATUS
 610 bm_proc_initialize (void);
 611
 612 ACPI_STATUS
 613 bm_proc_terminate (void);
 614
 615 ACPI_STATUS
 616 bm_generate_event (
 617         BM_HANDLE               device_handle,
 618         char                    *device_type,
 619         char                    *device_instance,
 620         u32                     event_type,
 621         u32                     event_data);
 622
 623
 624 #endif  /* __BM_H__ */