drivers/acpi/include/amlresrc.h

   1
   2 /******************************************************************************
   3  *
   4  * Module Name: amlresrc.h - AML resource descriptors
   5  *
   6  *****************************************************************************/
   7
   8 /******************************************************************************
   9  *
  10  * 1. Copyright Notice
  11  *
  12  * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
  13  * All rights reserved.
  14  *
  15  * 2. License
  16  *
  17  * 2.1. This is your license from Intel Corp. under its intellectual property
  18  * rights.  You may have additional license terms from the party that provided
  19  * you this software, covering your right to use that party's intellectual
  20  * property rights.
  21  *
  22  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  23  * copy of the source code appearing in this file ("Covered Code") an
  24  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  25  * base code distributed originally by Intel ("Original Intel Code") to copy,
  26  * make derivatives, distribute, use and display any portion of the Covered
  27  * Code in any form, with the right to sublicense such rights; and
  28  *
  29  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  30  * license (with the right to sublicense), under only those claims of Intel
  31  * patents that are infringed by the Original Intel Code, to make, use, sell,
  32  * offer to sell, and import the Covered Code and derivative works thereof
  33  * solely to the minimum extent necessary to exercise the above copyright
  34  * license, and in no event shall the patent license extend to any additions
  35  * to or modifications of the Original Intel Code.  No other license or right
  36  * is granted directly or by implication, estoppel or otherwise;
  37  *
  38  * The above copyright and patent license is granted only if the following
  39  * conditions are met:
  40  *
  41  * 3. Conditions
  42  *
  43  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  44  * Redistribution of source code of any substantial portion of the Covered
  45  * Code or modification with rights to further distribute source must include
  46  * the above Copyright Notice, the above License, this list of Conditions,
  47  * and the following Disclaimer and Export Compliance provision.  In addition,
  48  * Licensee must cause all Covered Code to which Licensee contributes to
  49  * contain a file documenting the changes Licensee made to create that Covered
  50  * Code and the date of any change.  Licensee must include in that file the
  51  * documentation of any changes made by any predecessor Licensee.  Licensee
  52  * must include a prominent statement that the modification is derived,
  53  * directly or indirectly, from Original Intel Code.
  54  *
  55  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  56  * Redistribution of source code of any substantial portion of the Covered
  57  * Code or modification without rights to further distribute source must
  58  * include the following Disclaimer and Export Compliance provision in the
  59  * documentation and/or other materials provided with distribution.  In
  60  * addition, Licensee may not authorize further sublicense of source of any
  61  * portion of the Covered Code, and must include terms to the effect that the
  62  * license from Licensee to its licensee is limited to the intellectual
  63  * property embodied in the software Licensee provides to its licensee, and
  64  * not to intellectual property embodied in modifications its licensee may
  65  * make.
  66  *
  67  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  68  * substantial portion of the Covered Code or modification must reproduce the
  69  * above Copyright Notice, and the following Disclaimer and Export Compliance
  70  * provision in the documentation and/or other materials provided with the
  71  * distribution.
  72  *
  73  * 3.4. Intel retains all right, title, and interest in and to the Original
  74  * Intel Code.
  75  *
  76  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  77  * Intel shall be used in advertising or otherwise to promote the sale, use or
  78  * other dealings in products derived from or relating to the Covered Code
  79  * without prior written authorization from Intel.
  80  *
  81  * 4. Disclaimer and Export Compliance
  82  *
  83  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  84  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  85  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  86  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  87  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  88  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  89  * PARTICULAR PURPOSE.
  90  *
  91  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  92  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  93  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  94  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  95  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  96  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  97  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  98  * LIMITED REMEDY.
  99  *
 100  * 4.3. Licensee shall not export, either directly or indirectly, any of this
 101  * software or system incorporating such software without first obtaining any
 102  * required license or other approval from the U. S. Department of Commerce or
 103  * any other agency or department of the United States Government.  In the
 104  * event Licensee exports any such software from the United States or
 105  * re-exports any such software from a foreign destination, Licensee shall
 106  * ensure that the distribution and export/re-export of the software is in
 107  * compliance with all laws, regulations, orders, or other restrictions of the
 108  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 109  * any of its subsidiaries will export/re-export any technical data, process,
 110  * software, or service, directly or indirectly, to any country for which the
 111  * United States government or any agency thereof requires an export license,
 112  * other governmental approval, or letter of assurance, without first obtaining
 113  * such license, approval or letter.
 114  *
 115  *****************************************************************************/
 116
 117 /* acpisrc:StructDefs -- for acpisrc conversion */
 118
 119 #ifndef __AMLRESRC_H
 120 #define __AMLRESRC_H
 121
 122
 123 /*
 124  * Resource descriptor tags, as defined in the ACPI specification.
 125  * Used to symbolically reference fields within a descriptor.
 126  */
 127 #define ACPI_RESTAG_ADDRESS                     "_ADR"
 128 #define ACPI_RESTAG_ALIGNMENT                   "_ALN"
 129 #define ACPI_RESTAG_ADDRESSSPACE                "_ASI"
 130 #define ACPI_RESTAG_ACCESSSIZE                  "_ASZ"
 131 #define ACPI_RESTAG_TYPESPECIFICATTRIBUTES      "_ATT"
 132 #define ACPI_RESTAG_BASEADDRESS                 "_BAS"
 133 #define ACPI_RESTAG_BUSMASTER                   "_BM_"  /* Master(1), Slave(0) */
 134 #define ACPI_RESTAG_DECODE                      "_DEC"
 135 #define ACPI_RESTAG_DMA                         "_DMA"
 136 #define ACPI_RESTAG_DMATYPE                     "_TYP"  /* Compatible(0), A(1), B(2), F(3) */
 137 #define ACPI_RESTAG_GRANULARITY                 "_GRA"
 138 #define ACPI_RESTAG_INTERRUPT                   "_INT"
 139 #define ACPI_RESTAG_INTERRUPTLEVEL              "_LL_"  /* ActiveLo(1), ActiveHi(0) */
 140 #define ACPI_RESTAG_INTERRUPTSHARE              "_SHR"  /* Shareable(1), NoShare(0) */
 141 #define ACPI_RESTAG_INTERRUPTTYPE               "_HE_"  /* Edge(1), Level(0) */
 142 #define ACPI_RESTAG_LENGTH                      "_LEN"
 143 #define ACPI_RESTAG_MEMATTRIBUTES               "_MTP"  /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
 144 #define ACPI_RESTAG_MEMTYPE                     "_MEM"  /* NonCache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
 145 #define ACPI_RESTAG_MAXADDR                     "_MAX"
 146 #define ACPI_RESTAG_MINADDR                     "_MIN"
 147 #define ACPI_RESTAG_MAXTYPE                     "_MAF"
 148 #define ACPI_RESTAG_MINTYPE                     "_MIF"
 149 #define ACPI_RESTAG_REGISTERBITOFFSET           "_RBO"
 150 #define ACPI_RESTAG_REGISTERBITWIDTH            "_RBW"
 151 #define ACPI_RESTAG_RANGETYPE                   "_RNG"
 152 #define ACPI_RESTAG_READWRITETYPE               "_RW_"  /* ReadOnly(0), Writeable (1) */
 153 #define ACPI_RESTAG_TRANSLATION                 "_TRA"
 154 #define ACPI_RESTAG_TRANSTYPE                   "_TRS"  /* Sparse(1), Dense(0) */
 155 #define ACPI_RESTAG_TYPE                        "_TTP"  /* Translation(1), Static (0) */
 156 #define ACPI_RESTAG_XFERTYPE                    "_SIZ"  /* 8(0), 8And16(1), 16(2) */
 157
 158
 159 /* Default sizes for "small" resource descriptors */
 160
 161 #define ASL_RDESC_IRQ_SIZE                      0x02
 162 #define ASL_RDESC_DMA_SIZE                      0x02
 163 #define ASL_RDESC_ST_DEPEND_SIZE                0x00
 164 #define ASL_RDESC_END_DEPEND_SIZE               0x00
 165 #define ASL_RDESC_IO_SIZE                       0x07
 166 #define ASL_RDESC_FIXED_IO_SIZE                 0x03
 167 #define ASL_RDESC_END_TAG_SIZE                  0x01
 168
 169
 170 typedef struct asl_resource_node
 171 {
 172     UINT32                          BufferLength;
 173     void                            *Buffer;
 174     struct asl_resource_node        *Next;
 175
 176 } ASL_RESOURCE_NODE;
 177
 178
 179 /* Macros used to generate AML resource length fields */
 180
 181 #define ACPI_AML_SIZE_LARGE(r)      (sizeof (r) - sizeof (AML_RESOURCE_LARGE_HEADER))
 182 #define ACPI_AML_SIZE_SMALL(r)      (sizeof (r) - sizeof (AML_RESOURCE_SMALL_HEADER))
 183
 184 /*
 185  * Resource descriptors defined in the ACPI specification.
 186  *
 187  * Packing/alignment must be BYTE because these descriptors
 188  * are used to overlay the raw AML byte stream.
 189  */
 190 #pragma pack(1)
 191
 192 /*
 193  * SMALL descriptors
 194  */
 195 #define AML_RESOURCE_SMALL_HEADER_COMMON \
 196     UINT8                           DescriptorType;
 197
 198 typedef struct aml_resource_small_header
 199 {
 200     AML_RESOURCE_SMALL_HEADER_COMMON
 201
 202 } AML_RESOURCE_SMALL_HEADER;
 203
 204
 205 typedef struct aml_resource_irq
 206 {
 207     AML_RESOURCE_SMALL_HEADER_COMMON
 208     UINT16                          IrqMask;
 209     UINT8                           Flags;
 210
 211 } AML_RESOURCE_IRQ;
 212
 213
 214 typedef struct aml_resource_irq_noflags
 215 {
 216     AML_RESOURCE_SMALL_HEADER_COMMON
 217     UINT16                          IrqMask;
 218
 219 } AML_RESOURCE_IRQ_NOFLAGS;
 220
 221
 222 typedef struct aml_resource_dma
 223 {
 224     AML_RESOURCE_SMALL_HEADER_COMMON
 225     UINT8                           DmaChannelMask;
 226     UINT8                           Flags;
 227
 228 } AML_RESOURCE_DMA;
 229
 230
 231 typedef struct aml_resource_start_dependent
 232 {
 233     AML_RESOURCE_SMALL_HEADER_COMMON
 234     UINT8                           Flags;
 235
 236 } AML_RESOURCE_START_DEPENDENT;
 237
 238
 239 typedef struct aml_resource_start_dependent_noprio
 240 {
 241     AML_RESOURCE_SMALL_HEADER_COMMON
 242
 243 } AML_RESOURCE_START_DEPENDENT_NOPRIO;
 244
 245
 246 typedef struct aml_resource_end_dependent
 247 {
 248     AML_RESOURCE_SMALL_HEADER_COMMON
 249
 250 } AML_RESOURCE_END_DEPENDENT;
 251
 252
 253 typedef struct aml_resource_io
 254 {
 255     AML_RESOURCE_SMALL_HEADER_COMMON
 256     UINT8                           Flags;
 257     UINT16                          Minimum;
 258     UINT16                          Maximum;
 259     UINT8                           Alignment;
 260     UINT8                           AddressLength;
 261
 262 } AML_RESOURCE_IO;
 263
 264
 265 typedef struct aml_resource_fixed_io
 266 {
 267     AML_RESOURCE_SMALL_HEADER_COMMON
 268     UINT16                          Address;
 269     UINT8                           AddressLength;
 270
 271 } AML_RESOURCE_FIXED_IO;
 272
 273
 274 typedef struct aml_resource_vendor_small
 275 {
 276     AML_RESOURCE_SMALL_HEADER_COMMON
 277
 278 } AML_RESOURCE_VENDOR_SMALL;
 279
 280
 281 typedef struct aml_resource_end_tag
 282 {
 283     AML_RESOURCE_SMALL_HEADER_COMMON
 284     UINT8                           Checksum;
 285
 286 } AML_RESOURCE_END_TAG;
 287
 288
 289 /*
 290  * LARGE descriptors
 291  */
 292 #define AML_RESOURCE_LARGE_HEADER_COMMON \
 293     UINT8                           DescriptorType;\
 294     UINT16                          ResourceLength;
 295
 296 typedef struct aml_resource_large_header
 297 {
 298     AML_RESOURCE_LARGE_HEADER_COMMON
 299
 300 } AML_RESOURCE_LARGE_HEADER;
 301
 302
 303 /* General Flags for address space resource descriptors */
 304
 305 #define ACPI_RESOURCE_FLAG_DEC      2
 306 #define ACPI_RESOURCE_FLAG_MIF      4
 307 #define ACPI_RESOURCE_FLAG_MAF      8
 308
 309 typedef struct aml_resource_memory24
 310 {
 311     AML_RESOURCE_LARGE_HEADER_COMMON
 312     UINT8                           Flags;
 313     UINT16                          Minimum;
 314     UINT16                          Maximum;
 315     UINT16                          Alignment;
 316     UINT16                          AddressLength;
 317
 318 } AML_RESOURCE_MEMORY24;
 319
 320
 321 typedef struct aml_resource_vendor_large
 322 {
 323     AML_RESOURCE_LARGE_HEADER_COMMON
 324
 325 } AML_RESOURCE_VENDOR_LARGE;
 326
 327
 328 typedef struct aml_resource_memory32
 329 {
 330     AML_RESOURCE_LARGE_HEADER_COMMON
 331     UINT8                           Flags;
 332     UINT32                          Minimum;
 333     UINT32                          Maximum;
 334     UINT32                          Alignment;
 335     UINT32                          AddressLength;
 336
 337 } AML_RESOURCE_MEMORY32;
 338
 339
 340 typedef struct aml_resource_fixed_memory32
 341 {
 342     AML_RESOURCE_LARGE_HEADER_COMMON
 343     UINT8                           Flags;
 344     UINT32                          Address;
 345     UINT32                          AddressLength;
 346
 347 } AML_RESOURCE_FIXED_MEMORY32;
 348
 349
 350 #define AML_RESOURCE_ADDRESS_COMMON \
 351     UINT8                           ResourceType; \
 352     UINT8                           Flags; \
 353     UINT8                           SpecificFlags;
 354
 355
 356 typedef struct aml_resource_address
 357 {
 358     AML_RESOURCE_LARGE_HEADER_COMMON
 359     AML_RESOURCE_ADDRESS_COMMON
 360
 361 } AML_RESOURCE_ADDRESS;
 362
 363
 364 typedef struct aml_resource_extended_address64
 365 {
 366     AML_RESOURCE_LARGE_HEADER_COMMON
 367     AML_RESOURCE_ADDRESS_COMMON
 368     UINT8                           RevisionID;
 369     UINT8                           Reserved;
 370     UINT64                          Granularity;
 371     UINT64                          Minimum;
 372     UINT64                          Maximum;
 373     UINT64                          TranslationOffset;
 374     UINT64                          AddressLength;
 375     UINT64                          TypeSpecific;
 376
 377 } AML_RESOURCE_EXTENDED_ADDRESS64;
 378
 379 #define AML_RESOURCE_EXTENDED_ADDRESS_REVISION          1       /* ACPI 3.0 */
 380
 381
 382 typedef struct aml_resource_address64
 383 {
 384     AML_RESOURCE_LARGE_HEADER_COMMON
 385     AML_RESOURCE_ADDRESS_COMMON
 386     UINT64                          Granularity;
 387     UINT64                          Minimum;
 388     UINT64                          Maximum;
 389     UINT64                          TranslationOffset;
 390     UINT64                          AddressLength;
 391
 392 } AML_RESOURCE_ADDRESS64;
 393
 394
 395 typedef struct aml_resource_address32
 396 {
 397     AML_RESOURCE_LARGE_HEADER_COMMON
 398     AML_RESOURCE_ADDRESS_COMMON
 399     UINT32                          Granularity;
 400     UINT32                          Minimum;
 401     UINT32                          Maximum;
 402     UINT32                          TranslationOffset;
 403     UINT32                          AddressLength;
 404
 405 } AML_RESOURCE_ADDRESS32;
 406
 407
 408 typedef struct aml_resource_address16
 409 {
 410     AML_RESOURCE_LARGE_HEADER_COMMON
 411     AML_RESOURCE_ADDRESS_COMMON
 412     UINT16                          Granularity;
 413     UINT16                          Minimum;
 414     UINT16                          Maximum;
 415     UINT16                          TranslationOffset;
 416     UINT16                          AddressLength;
 417
 418 } AML_RESOURCE_ADDRESS16;
 419
 420
 421 typedef struct aml_resource_extended_irq
 422 {
 423     AML_RESOURCE_LARGE_HEADER_COMMON
 424     UINT8                           Flags;
 425     UINT8                           InterruptCount;
 426     UINT32                          Interrupts[1];
 427     /* ResSourceIndex, ResSource optional fields follow */
 428
 429 } AML_RESOURCE_EXTENDED_IRQ;
 430
 431
 432 typedef struct aml_resource_generic_register
 433 {
 434     AML_RESOURCE_LARGE_HEADER_COMMON
 435     UINT8                           AddressSpaceId;
 436     UINT8                           BitWidth;
 437     UINT8                           BitOffset;
 438     UINT8                           AccessSize; /* ACPI 3.0, was previously Reserved */
 439     UINT64                          Address;
 440
 441 } AML_RESOURCE_GENERIC_REGISTER;
 442
 443 /* restore default alignment */
 444
 445 #pragma pack()
 446
 447 /* Union of all resource descriptors, so we can allocate the worst case */
 448
 449 typedef union aml_resource
 450 {
 451     /* Descriptor headers */
 452
 453     UINT8                                   DescriptorType;
 454     AML_RESOURCE_SMALL_HEADER               SmallHeader;
 455     AML_RESOURCE_LARGE_HEADER               LargeHeader;
 456
 457     /* Small resource descriptors */
 458
 459     AML_RESOURCE_IRQ                        Irq;
 460     AML_RESOURCE_DMA                        Dma;
 461     AML_RESOURCE_START_DEPENDENT            StartDpf;
 462     AML_RESOURCE_END_DEPENDENT              EndDpf;
 463     AML_RESOURCE_IO                         Io;
 464     AML_RESOURCE_FIXED_IO                   FixedIo;
 465     AML_RESOURCE_VENDOR_SMALL               VendorSmall;
 466     AML_RESOURCE_END_TAG                    EndTag;
 467
 468     /* Large resource descriptors */
 469
 470     AML_RESOURCE_MEMORY24                   Memory24;
 471     AML_RESOURCE_GENERIC_REGISTER           GenericReg;
 472     AML_RESOURCE_VENDOR_LARGE               VendorLarge;
 473     AML_RESOURCE_MEMORY32                   Memory32;
 474     AML_RESOURCE_FIXED_MEMORY32             FixedMemory32;
 475     AML_RESOURCE_ADDRESS16                  Address16;
 476     AML_RESOURCE_ADDRESS32                  Address32;
 477     AML_RESOURCE_ADDRESS64                  Address64;
 478     AML_RESOURCE_EXTENDED_ADDRESS64         ExtAddress64;
 479     AML_RESOURCE_EXTENDED_IRQ               ExtendedIrq;
 480
 481     /* Utility overlays */
 482
 483     AML_RESOURCE_ADDRESS                    Address;
 484     UINT32                                  DwordItem;
 485     UINT16                                  WordItem;
 486     UINT8                                   ByteItem;
 487
 488 } AML_RESOURCE;
 489
 490 #endif
 491