1 /****************************************************************************** 2 * 3 * Module Name: aslrestype1i - Small I/O-related resource descriptors 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #include "aslcompiler.h" 153 #include "aslcompiler.y.h" 154 155 #define _COMPONENT ACPI_COMPILER 156 ACPI_MODULE_NAME ("aslrestype1i") 157 158 /* 159 * This module contains the I/O-related small resource descriptors: 160 * 161 * DMA 162 * FixedDMA 163 * FixedIO 164 * IO 165 * IRQ 166 * IRQNoFlags 167 */ 168 169 /******************************************************************************* 170 * 171 * FUNCTION: RsDoDmaDescriptor 172 * 173 * PARAMETERS: Info - Parse Op and resource template offset 174 * 175 * RETURN: Completed resource node 176 * 177 * DESCRIPTION: Construct a short "DMA" descriptor 178 * 179 ******************************************************************************/ 180 181 ASL_RESOURCE_NODE * 182 RsDoDmaDescriptor ( 183 ASL_RESOURCE_INFO *Info) 184 { 185 AML_RESOURCE *Descriptor; 186 ACPI_PARSE_OBJECT *InitializerOp; 187 ASL_RESOURCE_NODE *Rnode; 188 UINT32 CurrentByteOffset; 189 UINT32 i; 190 UINT8 DmaChannelMask = 0; 191 UINT8 DmaChannels = 0; 192 193 194 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 195 CurrentByteOffset = Info->CurrentByteOffset; 196 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_DMA)); 197 198 Descriptor = Rnode->Buffer; 199 Descriptor->Dma.DescriptorType = 200 ACPI_RESOURCE_NAME_DMA | ASL_RDESC_DMA_SIZE; 201 202 /* Process all child initialization nodes */ 203 204 for (i = 0; InitializerOp; i++) 205 { 206 switch (i) 207 { 208 case 0: /* DMA type */ 209 210 RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 5, 0); 211 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_DMATYPE, 212 CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 5, 2); 213 break; 214 215 case 1: /* Bus Master */ 216 217 RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 2, 0); 218 RsCreateBitField (InitializerOp, ACPI_RESTAG_BUSMASTER, 219 CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 2); 220 break; 221 222 case 2: /* Xfer Type (transfer width) */ 223 224 RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 0, 0); 225 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_XFERTYPE, 226 CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 0, 2); 227 break; 228 229 case 3: /* Name */ 230 231 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 232 break; 233 234 default: 235 236 /* All DMA channel bytes are handled here, after flags and name */ 237 238 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) 239 { 240 /* Up to 8 channels can be specified in the list */ 241 242 DmaChannels++; 243 if (DmaChannels > 8) 244 { 245 AslError (ASL_ERROR, ASL_MSG_DMA_LIST, 246 InitializerOp, NULL); 247 return (Rnode); 248 } 249 250 /* Only DMA channels 0-7 are allowed (mask is 8 bits) */ 251 252 if (InitializerOp->Asl.Value.Integer > 7) 253 { 254 AslError (ASL_ERROR, ASL_MSG_DMA_CHANNEL, 255 InitializerOp, NULL); 256 } 257 258 /* Build the mask */ 259 260 DmaChannelMask |= 261 (1 << ((UINT8) InitializerOp->Asl.Value.Integer)); 262 } 263 264 if (i == 4) /* case 4: First DMA byte */ 265 { 266 /* Check now for duplicates in list */ 267 268 RsCheckListForDuplicates (InitializerOp); 269 270 /* Create a named field at the start of the list */ 271 272 RsCreateByteField (InitializerOp, ACPI_RESTAG_DMA, 273 CurrentByteOffset + 274 ASL_RESDESC_OFFSET (Dma.DmaChannelMask)); 275 } 276 break; 277 } 278 279 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 280 } 281 282 /* Now we can set the channel mask */ 283 284 Descriptor->Dma.DmaChannelMask = DmaChannelMask; 285 return (Rnode); 286 } 287 288 289 /******************************************************************************* 290 * 291 * FUNCTION: RsDoFixedDmaDescriptor 292 * 293 * PARAMETERS: Info - Parse Op and resource template offset 294 * 295 * RETURN: Completed resource node 296 * 297 * DESCRIPTION: Construct a short "FixedDMA" descriptor 298 * 299 ******************************************************************************/ 300 301 ASL_RESOURCE_NODE * 302 RsDoFixedDmaDescriptor ( 303 ASL_RESOURCE_INFO *Info) 304 { 305 AML_RESOURCE *Descriptor; 306 ACPI_PARSE_OBJECT *InitializerOp; 307 ASL_RESOURCE_NODE *Rnode; 308 UINT32 CurrentByteOffset; 309 UINT32 i; 310 311 312 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 313 CurrentByteOffset = Info->CurrentByteOffset; 314 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_FIXED_DMA)); 315 316 Descriptor = Rnode->Buffer; 317 Descriptor->FixedDma.DescriptorType = 318 ACPI_RESOURCE_NAME_FIXED_DMA | ASL_RDESC_FIXED_DMA_SIZE; 319 320 /* Process all child initialization nodes */ 321 322 for (i = 0; InitializerOp; i++) 323 { 324 switch (i) 325 { 326 case 0: /* DMA Request Lines [WORD] (_DMA) */ 327 328 Descriptor->FixedDma.RequestLines = (UINT16) InitializerOp->Asl.Value.Integer; 329 RsCreateWordField (InitializerOp, ACPI_RESTAG_DMA, 330 CurrentByteOffset + ASL_RESDESC_OFFSET (FixedDma.RequestLines)); 331 break; 332 333 case 1: /* DMA Channel [WORD] (_TYP) */ 334 335 Descriptor->FixedDma.Channels = (UINT16) InitializerOp->Asl.Value.Integer; 336 RsCreateWordField (InitializerOp, ACPI_RESTAG_DMATYPE, 337 CurrentByteOffset + ASL_RESDESC_OFFSET (FixedDma.Channels)); 338 break; 339 340 case 2: /* Transfer Width [BYTE] (_SIZ) */ 341 342 Descriptor->FixedDma.Width = (UINT8) InitializerOp->Asl.Value.Integer; 343 RsCreateByteField (InitializerOp, ACPI_RESTAG_XFERTYPE, 344 CurrentByteOffset + ASL_RESDESC_OFFSET (FixedDma.Width)); 345 break; 346 347 case 3: /* Descriptor Name (optional) */ 348 349 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 350 break; 351 352 default: /* Ignore any extra nodes */ 353 354 break; 355 } 356 357 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 358 } 359 360 return (Rnode); 361 } 362 363 364 /******************************************************************************* 365 * 366 * FUNCTION: RsDoFixedIoDescriptor 367 * 368 * PARAMETERS: Info - Parse Op and resource template offset 369 * 370 * RETURN: Completed resource node 371 * 372 * DESCRIPTION: Construct a short "FixedIO" descriptor 373 * 374 ******************************************************************************/ 375 376 ASL_RESOURCE_NODE * 377 RsDoFixedIoDescriptor ( 378 ASL_RESOURCE_INFO *Info) 379 { 380 AML_RESOURCE *Descriptor; 381 ACPI_PARSE_OBJECT *InitializerOp; 382 ACPI_PARSE_OBJECT *AddressOp = NULL; 383 ASL_RESOURCE_NODE *Rnode; 384 UINT32 CurrentByteOffset; 385 UINT32 i; 386 387 388 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 389 CurrentByteOffset = Info->CurrentByteOffset; 390 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_FIXED_IO)); 391 392 Descriptor = Rnode->Buffer; 393 Descriptor->Io.DescriptorType = 394 ACPI_RESOURCE_NAME_FIXED_IO | ASL_RDESC_FIXED_IO_SIZE; 395 396 /* Process all child initialization nodes */ 397 398 for (i = 0; InitializerOp; i++) 399 { 400 switch (i) 401 { 402 case 0: /* Base Address */ 403 404 Descriptor->FixedIo.Address = 405 (UINT16) InitializerOp->Asl.Value.Integer; 406 RsCreateWordField (InitializerOp, ACPI_RESTAG_BASEADDRESS, 407 CurrentByteOffset + ASL_RESDESC_OFFSET (FixedIo.Address)); 408 AddressOp = InitializerOp; 409 break; 410 411 case 1: /* Length */ 412 413 Descriptor->FixedIo.AddressLength = 414 (UINT8) InitializerOp->Asl.Value.Integer; 415 RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH, 416 CurrentByteOffset + ASL_RESDESC_OFFSET (FixedIo.AddressLength)); 417 break; 418 419 case 2: /* Name */ 420 421 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 422 break; 423 424 default: 425 426 AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL); 427 break; 428 } 429 430 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 431 } 432 433 /* Error checks */ 434 435 if (Descriptor->FixedIo.Address > 0x03FF) 436 { 437 AslError (ASL_WARNING, ASL_MSG_ISA_ADDRESS, AddressOp, NULL); 438 } 439 440 return (Rnode); 441 } 442 443 444 /******************************************************************************* 445 * 446 * FUNCTION: RsDoIoDescriptor 447 * 448 * PARAMETERS: Info - Parse Op and resource template offset 449 * 450 * RETURN: Completed resource node 451 * 452 * DESCRIPTION: Construct a short "IO" descriptor 453 * 454 ******************************************************************************/ 455 456 ASL_RESOURCE_NODE * 457 RsDoIoDescriptor ( 458 ASL_RESOURCE_INFO *Info) 459 { 460 AML_RESOURCE *Descriptor; 461 ACPI_PARSE_OBJECT *InitializerOp; 462 ACPI_PARSE_OBJECT *MinOp = NULL; 463 ACPI_PARSE_OBJECT *MaxOp = NULL; 464 ACPI_PARSE_OBJECT *LengthOp = NULL; 465 ACPI_PARSE_OBJECT *AlignOp = NULL; 466 ASL_RESOURCE_NODE *Rnode; 467 UINT32 CurrentByteOffset; 468 UINT32 i; 469 470 471 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 472 CurrentByteOffset = Info->CurrentByteOffset; 473 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IO)); 474 475 Descriptor = Rnode->Buffer; 476 Descriptor->Io.DescriptorType = 477 ACPI_RESOURCE_NAME_IO | ASL_RDESC_IO_SIZE; 478 479 /* Process all child initialization nodes */ 480 481 for (i = 0; InitializerOp; i++) 482 { 483 switch (i) 484 { 485 case 0: /* Decode size */ 486 487 RsSetFlagBits (&Descriptor->Io.Flags, InitializerOp, 0, 1); 488 RsCreateBitField (InitializerOp, ACPI_RESTAG_DECODE, 489 CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Flags), 0); 490 break; 491 492 case 1: /* Min Address */ 493 494 Descriptor->Io.Minimum = 495 (UINT16) InitializerOp->Asl.Value.Integer; 496 RsCreateWordField (InitializerOp, ACPI_RESTAG_MINADDR, 497 CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Minimum)); 498 MinOp = InitializerOp; 499 break; 500 501 case 2: /* Max Address */ 502 503 Descriptor->Io.Maximum = 504 (UINT16) InitializerOp->Asl.Value.Integer; 505 RsCreateWordField (InitializerOp, ACPI_RESTAG_MAXADDR, 506 CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Maximum)); 507 MaxOp = InitializerOp; 508 break; 509 510 case 3: /* Alignment */ 511 512 Descriptor->Io.Alignment = 513 (UINT8) InitializerOp->Asl.Value.Integer; 514 RsCreateByteField (InitializerOp, ACPI_RESTAG_ALIGNMENT, 515 CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Alignment)); 516 AlignOp = InitializerOp; 517 break; 518 519 case 4: /* Length */ 520 521 Descriptor->Io.AddressLength = 522 (UINT8) InitializerOp->Asl.Value.Integer; 523 RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH, 524 CurrentByteOffset + ASL_RESDESC_OFFSET (Io.AddressLength)); 525 LengthOp = InitializerOp; 526 break; 527 528 case 5: /* Name */ 529 530 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 531 break; 532 533 default: 534 535 AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL); 536 break; 537 } 538 539 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 540 } 541 542 /* Validate the Min/Max/Len/Align values */ 543 544 RsSmallAddressCheck (ACPI_RESOURCE_NAME_IO, 545 Descriptor->Io.Minimum, 546 Descriptor->Io.Maximum, 547 Descriptor->Io.AddressLength, 548 Descriptor->Io.Alignment, 549 MinOp, MaxOp, LengthOp, AlignOp, Info->DescriptorTypeOp); 550 551 return (Rnode); 552 } 553 554 555 /******************************************************************************* 556 * 557 * FUNCTION: RsDoIrqDescriptor 558 * 559 * PARAMETERS: Info - Parse Op and resource template offset 560 * 561 * RETURN: Completed resource node 562 * 563 * DESCRIPTION: Construct a short "IRQ" descriptor 564 * 565 ******************************************************************************/ 566 567 ASL_RESOURCE_NODE * 568 RsDoIrqDescriptor ( 569 ASL_RESOURCE_INFO *Info) 570 { 571 AML_RESOURCE *Descriptor; 572 ACPI_PARSE_OBJECT *InitializerOp; 573 ASL_RESOURCE_NODE *Rnode; 574 UINT32 Interrupts = 0; 575 UINT16 IrqMask = 0; 576 UINT32 CurrentByteOffset; 577 UINT32 i; 578 579 580 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 581 CurrentByteOffset = Info->CurrentByteOffset; 582 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IRQ)); 583 584 /* Length = 3 (with flag byte) */ 585 586 Descriptor = Rnode->Buffer; 587 Descriptor->Irq.DescriptorType = 588 ACPI_RESOURCE_NAME_IRQ | (ASL_RDESC_IRQ_SIZE + 0x01); 589 590 /* Process all child initialization nodes */ 591 592 for (i = 0; InitializerOp; i++) 593 { 594 switch (i) 595 { 596 case 0: /* Interrupt Type (or Mode - edge/level) */ 597 598 RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 0, 1); 599 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE, 600 CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 0); 601 break; 602 603 case 1: /* Interrupt Level (or Polarity - Active high/low) */ 604 605 RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 3, 0); 606 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL, 607 CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 3); 608 break; 609 610 case 2: /* Share Type - Default: exclusive (0) */ 611 612 RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 4, 0); 613 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE, 614 CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 4); 615 break; 616 617 case 3: /* Name */ 618 619 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 620 break; 621 622 default: 623 624 /* All IRQ bytes are handled here, after the flags and name */ 625 626 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) 627 { 628 /* Up to 16 interrupts can be specified in the list */ 629 630 Interrupts++; 631 if (Interrupts > 16) 632 { 633 AslError (ASL_ERROR, ASL_MSG_INTERRUPT_LIST, 634 InitializerOp, NULL); 635 return (Rnode); 636 } 637 638 /* Only interrupts 0-15 are allowed (mask is 16 bits) */ 639 640 if (InitializerOp->Asl.Value.Integer > 15) 641 { 642 AslError (ASL_ERROR, ASL_MSG_INTERRUPT_NUMBER, 643 InitializerOp, NULL); 644 } 645 else 646 { 647 IrqMask |= (1 << (UINT8) InitializerOp->Asl.Value.Integer); 648 } 649 } 650 651 /* Case 4: First IRQ value in list */ 652 653 if (i == 4) 654 { 655 /* Check now for duplicates in list */ 656 657 RsCheckListForDuplicates (InitializerOp); 658 659 /* Create a named field at the start of the list */ 660 661 RsCreateWordField (InitializerOp, ACPI_RESTAG_INTERRUPT, 662 CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.IrqMask)); 663 } 664 break; 665 } 666 667 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 668 } 669 670 /* Now we can set the channel mask */ 671 672 Descriptor->Irq.IrqMask = IrqMask; 673 return (Rnode); 674 } 675 676 677 /******************************************************************************* 678 * 679 * FUNCTION: RsDoIrqNoFlagsDescriptor 680 * 681 * PARAMETERS: Info - Parse Op and resource template offset 682 * 683 * RETURN: Completed resource node 684 * 685 * DESCRIPTION: Construct a short "IRQNoFlags" descriptor 686 * 687 ******************************************************************************/ 688 689 ASL_RESOURCE_NODE * 690 RsDoIrqNoFlagsDescriptor ( 691 ASL_RESOURCE_INFO *Info) 692 { 693 AML_RESOURCE *Descriptor; 694 ACPI_PARSE_OBJECT *InitializerOp; 695 ASL_RESOURCE_NODE *Rnode; 696 UINT16 IrqMask = 0; 697 UINT32 Interrupts = 0; 698 UINT32 CurrentByteOffset; 699 UINT32 i; 700 701 702 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 703 CurrentByteOffset = Info->CurrentByteOffset; 704 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IRQ_NOFLAGS)); 705 706 Descriptor = Rnode->Buffer; 707 Descriptor->Irq.DescriptorType = 708 ACPI_RESOURCE_NAME_IRQ | ASL_RDESC_IRQ_SIZE; 709 710 /* Process all child initialization nodes */ 711 712 for (i = 0; InitializerOp; i++) 713 { 714 switch (i) 715 { 716 case 0: /* Name */ 717 718 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 719 break; 720 721 default: 722 723 /* IRQ bytes are handled here, after the flags and name */ 724 725 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) 726 { 727 /* Up to 16 interrupts can be specified in the list */ 728 729 Interrupts++; 730 if (Interrupts > 16) 731 { 732 AslError (ASL_ERROR, ASL_MSG_INTERRUPT_LIST, 733 InitializerOp, NULL); 734 return (Rnode); 735 } 736 737 /* Only interrupts 0-15 are allowed (mask is 16 bits) */ 738 739 if (InitializerOp->Asl.Value.Integer > 15) 740 { 741 AslError (ASL_ERROR, ASL_MSG_INTERRUPT_NUMBER, 742 InitializerOp, NULL); 743 } 744 else 745 { 746 IrqMask |= (1 << ((UINT8) InitializerOp->Asl.Value.Integer)); 747 } 748 } 749 750 /* Case 1: First IRQ value in list */ 751 752 if (i == 1) 753 { 754 /* Check now for duplicates in list */ 755 756 RsCheckListForDuplicates (InitializerOp); 757 758 /* Create a named field at the start of the list */ 759 760 RsCreateWordField (InitializerOp, ACPI_RESTAG_INTERRUPT, 761 CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.IrqMask)); 762 } 763 break; 764 } 765 766 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 767 } 768 769 /* Now we can set the interrupt mask */ 770 771 Descriptor->Irq.IrqMask = IrqMask; 772 return (Rnode); 773 } 774
Indexes created Mon Sep 22 05:09:51 GMT 2025