1/******************************************************************************* 2 * 3 * Module Name: rsio - IO and DMA resource descriptors 4 * $Revision: 25 $ 5 * 6 ******************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2004, 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#define __RSIO_C__ 118
| 1/******************************************************************************* 2 * 3 * Module Name: rsio - IO and DMA resource descriptors 4 * $Revision: 25 $ 5 * 6 ******************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2004, 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#define __RSIO_C__ 118
|
121 122#define _COMPONENT ACPI_RESOURCES 123 ACPI_MODULE_NAME ("rsio") 124 125 126/******************************************************************************* 127 * 128 * FUNCTION: AcpiRsIoResource 129 * 130 * PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte 131 * stream 132 * BytesConsumed - Pointer to where the number of bytes 133 * consumed the ByteStreamBuffer is 134 * returned 135 * OutputBuffer - Pointer to the return data buffer 136 * StructureSize - Pointer to where the number of bytes 137 * in the return data struct is returned 138 * 139 * RETURN: Status 140 * 141 * DESCRIPTION: Take the resource byte stream and fill out the appropriate 142 * structure pointed to by the OutputBuffer. Return the 143 * number of bytes consumed from the byte stream. 144 * 145 ******************************************************************************/ 146 147ACPI_STATUS 148AcpiRsIoResource ( 149 UINT8 *ByteStreamBuffer, 150 ACPI_SIZE *BytesConsumed, 151 UINT8 **OutputBuffer, 152 ACPI_SIZE *StructureSize) 153{ 154 UINT8 *Buffer = ByteStreamBuffer; 155 ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; 156 UINT16 Temp16 = 0; 157 UINT8 Temp8 = 0; 158 ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_IO); 159 160 161 ACPI_FUNCTION_TRACE ("RsIoResource"); 162 163 164 /* 165 * The number of bytes consumed are Constant 166 */ 167 *BytesConsumed = 8; 168 169 OutputStruct->Id = ACPI_RSTYPE_IO; 170 171 /* 172 * Check Decode 173 */ 174 Buffer += 1; 175 Temp8 = *Buffer; 176 177 OutputStruct->Data.Io.IoDecode = Temp8 & 0x01; 178 179 /* 180 * Check MinBase Address 181 */ 182 Buffer += 1; 183 ACPI_MOVE_16_TO_16 (&Temp16, Buffer); 184 185 OutputStruct->Data.Io.MinBaseAddress = Temp16; 186 187 /* 188 * Check MaxBase Address 189 */ 190 Buffer += 2; 191 ACPI_MOVE_16_TO_16 (&Temp16, Buffer); 192 193 OutputStruct->Data.Io.MaxBaseAddress = Temp16; 194 195 /* 196 * Check Base alignment 197 */ 198 Buffer += 2; 199 Temp8 = *Buffer; 200 201 OutputStruct->Data.Io.Alignment = Temp8; 202 203 /* 204 * Check RangeLength 205 */ 206 Buffer += 1; 207 Temp8 = *Buffer; 208 209 OutputStruct->Data.Io.RangeLength = Temp8; 210 211 /* 212 * Set the Length parameter 213 */ 214 OutputStruct->Length = (UINT32) StructSize; 215 216 /* 217 * Return the final size of the structure 218 */ 219 *StructureSize = StructSize; 220 return_ACPI_STATUS (AE_OK); 221} 222 223 224/******************************************************************************* 225 * 226 * FUNCTION: AcpiRsFixedIoResource 227 * 228 * PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte 229 * stream 230 * BytesConsumed - Pointer to where the number of bytes 231 * consumed the ByteStreamBuffer is 232 * returned 233 * OutputBuffer - Pointer to the return data buffer 234 * StructureSize - Pointer to where the number of bytes 235 * in the return data struct is returned 236 * 237 * RETURN: Status 238 * 239 * DESCRIPTION: Take the resource byte stream and fill out the appropriate 240 * structure pointed to by the OutputBuffer. Return the 241 * number of bytes consumed from the byte stream. 242 * 243 ******************************************************************************/ 244 245ACPI_STATUS 246AcpiRsFixedIoResource ( 247 UINT8 *ByteStreamBuffer, 248 ACPI_SIZE *BytesConsumed, 249 UINT8 **OutputBuffer, 250 ACPI_SIZE *StructureSize) 251{ 252 UINT8 *Buffer = ByteStreamBuffer; 253 ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; 254 UINT16 Temp16 = 0; 255 UINT8 Temp8 = 0; 256 ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_FIXED_IO); 257 258 259 ACPI_FUNCTION_TRACE ("RsFixedIoResource"); 260 261 262 /* 263 * The number of bytes consumed are Constant 264 */ 265 *BytesConsumed = 4; 266 267 OutputStruct->Id = ACPI_RSTYPE_FIXED_IO; 268 269 /* 270 * Check Range Base Address 271 */ 272 Buffer += 1; 273 ACPI_MOVE_16_TO_16 (&Temp16, Buffer); 274 275 OutputStruct->Data.FixedIo.BaseAddress = Temp16; 276 277 /* 278 * Check RangeLength 279 */ 280 Buffer += 2; 281 Temp8 = *Buffer; 282 283 OutputStruct->Data.FixedIo.RangeLength = Temp8; 284 285 /* 286 * Set the Length parameter 287 */ 288 OutputStruct->Length = (UINT32) StructSize; 289 290 /* 291 * Return the final size of the structure 292 */ 293 *StructureSize = StructSize; 294 return_ACPI_STATUS (AE_OK); 295} 296 297 298/******************************************************************************* 299 * 300 * FUNCTION: AcpiRsIoStream 301 * 302 * PARAMETERS: LinkedList - Pointer to the resource linked list 303 * OutputBuffer - Pointer to the user's return buffer 304 * BytesConsumed - Pointer to where the number of bytes 305 * used in the OutputBuffer is returned 306 * 307 * RETURN: Status 308 * 309 * DESCRIPTION: Take the linked list resource structure and fills in the 310 * the appropriate bytes in a byte stream 311 * 312 ******************************************************************************/ 313 314ACPI_STATUS 315AcpiRsIoStream ( 316 ACPI_RESOURCE *LinkedList, 317 UINT8 **OutputBuffer, 318 ACPI_SIZE *BytesConsumed) 319{ 320 UINT8 *Buffer = *OutputBuffer; 321 UINT16 Temp16 = 0; 322 UINT8 Temp8 = 0; 323 324 325 ACPI_FUNCTION_TRACE ("RsIoStream"); 326 327 328 /* 329 * The descriptor field is static 330 */ 331 *Buffer = 0x47; 332 Buffer += 1; 333 334 /* 335 * Io Information Byte 336 */ 337 Temp8 = (UINT8) (LinkedList->Data.Io.IoDecode & 0x01); 338 339 *Buffer = Temp8; 340 Buffer += 1; 341 342 /* 343 * Set the Range minimum base address 344 */ 345 Temp16 = (UINT16) LinkedList->Data.Io.MinBaseAddress; 346 347 ACPI_MOVE_16_TO_16 (Buffer, &Temp16); 348 Buffer += 2; 349 350 /* 351 * Set the Range maximum base address 352 */ 353 Temp16 = (UINT16) LinkedList->Data.Io.MaxBaseAddress; 354 355 ACPI_MOVE_16_TO_16 (Buffer, &Temp16); 356 Buffer += 2; 357 358 /* 359 * Set the base alignment 360 */ 361 Temp8 = (UINT8) LinkedList->Data.Io.Alignment; 362 363 *Buffer = Temp8; 364 Buffer += 1; 365 366 /* 367 * Set the range length 368 */ 369 Temp8 = (UINT8) LinkedList->Data.Io.RangeLength; 370 371 *Buffer = Temp8; 372 Buffer += 1; 373 374 /* 375 * Return the number of bytes consumed in this operation 376 */ 377 *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer); 378 return_ACPI_STATUS (AE_OK); 379} 380 381 382/******************************************************************************* 383 * 384 * FUNCTION: AcpiRsFixedIoStream 385 * 386 * PARAMETERS: LinkedList - Pointer to the resource linked list 387 * OutputBuffer - Pointer to the user's return buffer 388 * BytesConsumed - Pointer to where the number of bytes 389 * used in the OutputBuffer is returned 390 * 391 * RETURN: Status 392 * 393 * DESCRIPTION: Take the linked list resource structure and fills in the 394 * the appropriate bytes in a byte stream 395 * 396 ******************************************************************************/ 397 398ACPI_STATUS 399AcpiRsFixedIoStream ( 400 ACPI_RESOURCE *LinkedList, 401 UINT8 **OutputBuffer, 402 ACPI_SIZE *BytesConsumed) 403{ 404 UINT8 *Buffer = *OutputBuffer; 405 UINT16 Temp16 = 0; 406 UINT8 Temp8 = 0; 407 408 409 ACPI_FUNCTION_TRACE ("RsFixedIoStream"); 410 411 412 /* 413 * The descriptor field is static 414 */ 415 *Buffer = 0x4B; 416 417 Buffer += 1; 418 419 /* 420 * Set the Range base address 421 */ 422 Temp16 = (UINT16) LinkedList->Data.FixedIo.BaseAddress; 423 424 ACPI_MOVE_16_TO_16 (Buffer, &Temp16); 425 Buffer += 2; 426 427 /* 428 * Set the range length 429 */ 430 Temp8 = (UINT8) LinkedList->Data.FixedIo.RangeLength; 431 432 *Buffer = Temp8; 433 Buffer += 1; 434 435 /* 436 * Return the number of bytes consumed in this operation 437 */ 438 *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer); 439 return_ACPI_STATUS (AE_OK); 440} 441 442 443/******************************************************************************* 444 * 445 * FUNCTION: AcpiRsDmaResource 446 * 447 * PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte 448 * stream 449 * BytesConsumed - Pointer to where the number of bytes 450 * consumed the ByteStreamBuffer is 451 * returned 452 * OutputBuffer - Pointer to the return data buffer 453 * StructureSize - Pointer to where the number of bytes 454 * in the return data struct is returned 455 * 456 * RETURN: Status 457 * 458 * DESCRIPTION: Take the resource byte stream and fill out the appropriate 459 * structure pointed to by the OutputBuffer. Return the 460 * number of bytes consumed from the byte stream. 461 * 462 ******************************************************************************/ 463 464ACPI_STATUS 465AcpiRsDmaResource ( 466 UINT8 *ByteStreamBuffer, 467 ACPI_SIZE *BytesConsumed, 468 UINT8 **OutputBuffer, 469 ACPI_SIZE *StructureSize) 470{ 471 UINT8 *Buffer = ByteStreamBuffer; 472 ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; 473 UINT8 Temp8 = 0; 474 UINT8 Index; 475 UINT8 i; 476 ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_DMA); 477 478 479 ACPI_FUNCTION_TRACE ("RsDmaResource"); 480 481 482 /* 483 * The number of bytes consumed are Constant 484 */ 485 *BytesConsumed = 3; 486 OutputStruct->Id = ACPI_RSTYPE_DMA; 487 488 /* 489 * Point to the 8-bits of Byte 1 490 */ 491 Buffer += 1; 492 Temp8 = *Buffer; 493 494 /* Decode the DMA channel bits */ 495 496 for (i = 0, Index = 0; Index < 8; Index++) 497 { 498 if ((Temp8 >> Index) & 0x01) 499 { 500 OutputStruct->Data.Dma.Channels[i] = Index; 501 i++; 502 } 503 } 504 505 /* Zero DMA channels is valid */ 506 507 OutputStruct->Data.Dma.NumberOfChannels = i; 508 if (i > 0) 509 { 510 /* 511 * Calculate the structure size based upon the number of interrupts 512 */ 513 StructSize += ((ACPI_SIZE) i - 1) * 4; 514 } 515 516 /* 517 * Point to Byte 2 518 */ 519 Buffer += 1; 520 Temp8 = *Buffer; 521 522 /* 523 * Check for transfer preference (Bits[1:0]) 524 */ 525 OutputStruct->Data.Dma.Transfer = Temp8 & 0x03; 526 527 if (0x03 == OutputStruct->Data.Dma.Transfer) 528 { 529 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid DMA.Transfer preference (3)\n")); 530 return_ACPI_STATUS (AE_BAD_DATA); 531 } 532 533 /* 534 * Get bus master preference (Bit[2]) 535 */ 536 OutputStruct->Data.Dma.BusMaster = (Temp8 >> 2) & 0x01; 537 538 /* 539 * Get channel speed support (Bits[6:5]) 540 */ 541 OutputStruct->Data.Dma.Type = (Temp8 >> 5) & 0x03; 542 543 /* 544 * Set the Length parameter 545 */ 546 OutputStruct->Length = (UINT32) StructSize; 547 548 /* 549 * Return the final size of the structure 550 */ 551 *StructureSize = StructSize; 552 return_ACPI_STATUS (AE_OK); 553} 554 555 556/******************************************************************************* 557 * 558 * FUNCTION: AcpiRsDmaStream 559 * 560 * PARAMETERS: LinkedList - Pointer to the resource linked list 561 * OutputBuffer - Pointer to the user's return buffer 562 * BytesConsumed - Pointer to where the number of bytes 563 * used in the OutputBuffer is returned 564 * 565 * RETURN: Status 566 * 567 * DESCRIPTION: Take the linked list resource structure and fills in the 568 * the appropriate bytes in a byte stream 569 * 570 ******************************************************************************/ 571 572ACPI_STATUS 573AcpiRsDmaStream ( 574 ACPI_RESOURCE *LinkedList, 575 UINT8 **OutputBuffer, 576 ACPI_SIZE *BytesConsumed) 577{ 578 UINT8 *Buffer = *OutputBuffer; 579 UINT16 Temp16 = 0; 580 UINT8 Temp8 = 0; 581 UINT8 Index; 582 583 584 ACPI_FUNCTION_TRACE ("RsDmaStream"); 585 586 587 /* 588 * The descriptor field is static 589 */ 590 *Buffer = 0x2A; 591 Buffer += 1; 592 Temp8 = 0; 593 594 /* 595 * Loop through all of the Channels and set the mask bits 596 */ 597 for (Index = 0; 598 Index < LinkedList->Data.Dma.NumberOfChannels; 599 Index++) 600 { 601 Temp16 = (UINT16) LinkedList->Data.Dma.Channels[Index]; 602 Temp8 |= 0x1 << Temp16; 603 } 604 605 *Buffer = Temp8; 606 Buffer += 1; 607 608 /* 609 * Set the DMA Info 610 */ 611 Temp8 = (UINT8) ((LinkedList->Data.Dma.Type & 0x03) << 5); 612 Temp8 |= ((LinkedList->Data.Dma.BusMaster & 0x01) << 2); 613 Temp8 |= (LinkedList->Data.Dma.Transfer & 0x03); 614 615 *Buffer = Temp8; 616 Buffer += 1; 617 618 /* 619 * Return the number of bytes consumed in this operation 620 */ 621 *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer); 622 return_ACPI_STATUS (AE_OK); 623} 624
| 121 122#define _COMPONENT ACPI_RESOURCES 123 ACPI_MODULE_NAME ("rsio") 124 125 126/******************************************************************************* 127 * 128 * FUNCTION: AcpiRsIoResource 129 * 130 * PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte 131 * stream 132 * BytesConsumed - Pointer to where the number of bytes 133 * consumed the ByteStreamBuffer is 134 * returned 135 * OutputBuffer - Pointer to the return data buffer 136 * StructureSize - Pointer to where the number of bytes 137 * in the return data struct is returned 138 * 139 * RETURN: Status 140 * 141 * DESCRIPTION: Take the resource byte stream and fill out the appropriate 142 * structure pointed to by the OutputBuffer. Return the 143 * number of bytes consumed from the byte stream. 144 * 145 ******************************************************************************/ 146 147ACPI_STATUS 148AcpiRsIoResource ( 149 UINT8 *ByteStreamBuffer, 150 ACPI_SIZE *BytesConsumed, 151 UINT8 **OutputBuffer, 152 ACPI_SIZE *StructureSize) 153{ 154 UINT8 *Buffer = ByteStreamBuffer; 155 ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; 156 UINT16 Temp16 = 0; 157 UINT8 Temp8 = 0; 158 ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_IO); 159 160 161 ACPI_FUNCTION_TRACE ("RsIoResource"); 162 163 164 /* 165 * The number of bytes consumed are Constant 166 */ 167 *BytesConsumed = 8; 168 169 OutputStruct->Id = ACPI_RSTYPE_IO; 170 171 /* 172 * Check Decode 173 */ 174 Buffer += 1; 175 Temp8 = *Buffer; 176 177 OutputStruct->Data.Io.IoDecode = Temp8 & 0x01; 178 179 /* 180 * Check MinBase Address 181 */ 182 Buffer += 1; 183 ACPI_MOVE_16_TO_16 (&Temp16, Buffer); 184 185 OutputStruct->Data.Io.MinBaseAddress = Temp16; 186 187 /* 188 * Check MaxBase Address 189 */ 190 Buffer += 2; 191 ACPI_MOVE_16_TO_16 (&Temp16, Buffer); 192 193 OutputStruct->Data.Io.MaxBaseAddress = Temp16; 194 195 /* 196 * Check Base alignment 197 */ 198 Buffer += 2; 199 Temp8 = *Buffer; 200 201 OutputStruct->Data.Io.Alignment = Temp8; 202 203 /* 204 * Check RangeLength 205 */ 206 Buffer += 1; 207 Temp8 = *Buffer; 208 209 OutputStruct->Data.Io.RangeLength = Temp8; 210 211 /* 212 * Set the Length parameter 213 */ 214 OutputStruct->Length = (UINT32) StructSize; 215 216 /* 217 * Return the final size of the structure 218 */ 219 *StructureSize = StructSize; 220 return_ACPI_STATUS (AE_OK); 221} 222 223 224/******************************************************************************* 225 * 226 * FUNCTION: AcpiRsFixedIoResource 227 * 228 * PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte 229 * stream 230 * BytesConsumed - Pointer to where the number of bytes 231 * consumed the ByteStreamBuffer is 232 * returned 233 * OutputBuffer - Pointer to the return data buffer 234 * StructureSize - Pointer to where the number of bytes 235 * in the return data struct is returned 236 * 237 * RETURN: Status 238 * 239 * DESCRIPTION: Take the resource byte stream and fill out the appropriate 240 * structure pointed to by the OutputBuffer. Return the 241 * number of bytes consumed from the byte stream. 242 * 243 ******************************************************************************/ 244 245ACPI_STATUS 246AcpiRsFixedIoResource ( 247 UINT8 *ByteStreamBuffer, 248 ACPI_SIZE *BytesConsumed, 249 UINT8 **OutputBuffer, 250 ACPI_SIZE *StructureSize) 251{ 252 UINT8 *Buffer = ByteStreamBuffer; 253 ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; 254 UINT16 Temp16 = 0; 255 UINT8 Temp8 = 0; 256 ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_FIXED_IO); 257 258 259 ACPI_FUNCTION_TRACE ("RsFixedIoResource"); 260 261 262 /* 263 * The number of bytes consumed are Constant 264 */ 265 *BytesConsumed = 4; 266 267 OutputStruct->Id = ACPI_RSTYPE_FIXED_IO; 268 269 /* 270 * Check Range Base Address 271 */ 272 Buffer += 1; 273 ACPI_MOVE_16_TO_16 (&Temp16, Buffer); 274 275 OutputStruct->Data.FixedIo.BaseAddress = Temp16; 276 277 /* 278 * Check RangeLength 279 */ 280 Buffer += 2; 281 Temp8 = *Buffer; 282 283 OutputStruct->Data.FixedIo.RangeLength = Temp8; 284 285 /* 286 * Set the Length parameter 287 */ 288 OutputStruct->Length = (UINT32) StructSize; 289 290 /* 291 * Return the final size of the structure 292 */ 293 *StructureSize = StructSize; 294 return_ACPI_STATUS (AE_OK); 295} 296 297 298/******************************************************************************* 299 * 300 * FUNCTION: AcpiRsIoStream 301 * 302 * PARAMETERS: LinkedList - Pointer to the resource linked list 303 * OutputBuffer - Pointer to the user's return buffer 304 * BytesConsumed - Pointer to where the number of bytes 305 * used in the OutputBuffer is returned 306 * 307 * RETURN: Status 308 * 309 * DESCRIPTION: Take the linked list resource structure and fills in the 310 * the appropriate bytes in a byte stream 311 * 312 ******************************************************************************/ 313 314ACPI_STATUS 315AcpiRsIoStream ( 316 ACPI_RESOURCE *LinkedList, 317 UINT8 **OutputBuffer, 318 ACPI_SIZE *BytesConsumed) 319{ 320 UINT8 *Buffer = *OutputBuffer; 321 UINT16 Temp16 = 0; 322 UINT8 Temp8 = 0; 323 324 325 ACPI_FUNCTION_TRACE ("RsIoStream"); 326 327 328 /* 329 * The descriptor field is static 330 */ 331 *Buffer = 0x47; 332 Buffer += 1; 333 334 /* 335 * Io Information Byte 336 */ 337 Temp8 = (UINT8) (LinkedList->Data.Io.IoDecode & 0x01); 338 339 *Buffer = Temp8; 340 Buffer += 1; 341 342 /* 343 * Set the Range minimum base address 344 */ 345 Temp16 = (UINT16) LinkedList->Data.Io.MinBaseAddress; 346 347 ACPI_MOVE_16_TO_16 (Buffer, &Temp16); 348 Buffer += 2; 349 350 /* 351 * Set the Range maximum base address 352 */ 353 Temp16 = (UINT16) LinkedList->Data.Io.MaxBaseAddress; 354 355 ACPI_MOVE_16_TO_16 (Buffer, &Temp16); 356 Buffer += 2; 357 358 /* 359 * Set the base alignment 360 */ 361 Temp8 = (UINT8) LinkedList->Data.Io.Alignment; 362 363 *Buffer = Temp8; 364 Buffer += 1; 365 366 /* 367 * Set the range length 368 */ 369 Temp8 = (UINT8) LinkedList->Data.Io.RangeLength; 370 371 *Buffer = Temp8; 372 Buffer += 1; 373 374 /* 375 * Return the number of bytes consumed in this operation 376 */ 377 *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer); 378 return_ACPI_STATUS (AE_OK); 379} 380 381 382/******************************************************************************* 383 * 384 * FUNCTION: AcpiRsFixedIoStream 385 * 386 * PARAMETERS: LinkedList - Pointer to the resource linked list 387 * OutputBuffer - Pointer to the user's return buffer 388 * BytesConsumed - Pointer to where the number of bytes 389 * used in the OutputBuffer is returned 390 * 391 * RETURN: Status 392 * 393 * DESCRIPTION: Take the linked list resource structure and fills in the 394 * the appropriate bytes in a byte stream 395 * 396 ******************************************************************************/ 397 398ACPI_STATUS 399AcpiRsFixedIoStream ( 400 ACPI_RESOURCE *LinkedList, 401 UINT8 **OutputBuffer, 402 ACPI_SIZE *BytesConsumed) 403{ 404 UINT8 *Buffer = *OutputBuffer; 405 UINT16 Temp16 = 0; 406 UINT8 Temp8 = 0; 407 408 409 ACPI_FUNCTION_TRACE ("RsFixedIoStream"); 410 411 412 /* 413 * The descriptor field is static 414 */ 415 *Buffer = 0x4B; 416 417 Buffer += 1; 418 419 /* 420 * Set the Range base address 421 */ 422 Temp16 = (UINT16) LinkedList->Data.FixedIo.BaseAddress; 423 424 ACPI_MOVE_16_TO_16 (Buffer, &Temp16); 425 Buffer += 2; 426 427 /* 428 * Set the range length 429 */ 430 Temp8 = (UINT8) LinkedList->Data.FixedIo.RangeLength; 431 432 *Buffer = Temp8; 433 Buffer += 1; 434 435 /* 436 * Return the number of bytes consumed in this operation 437 */ 438 *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer); 439 return_ACPI_STATUS (AE_OK); 440} 441 442 443/******************************************************************************* 444 * 445 * FUNCTION: AcpiRsDmaResource 446 * 447 * PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte 448 * stream 449 * BytesConsumed - Pointer to where the number of bytes 450 * consumed the ByteStreamBuffer is 451 * returned 452 * OutputBuffer - Pointer to the return data buffer 453 * StructureSize - Pointer to where the number of bytes 454 * in the return data struct is returned 455 * 456 * RETURN: Status 457 * 458 * DESCRIPTION: Take the resource byte stream and fill out the appropriate 459 * structure pointed to by the OutputBuffer. Return the 460 * number of bytes consumed from the byte stream. 461 * 462 ******************************************************************************/ 463 464ACPI_STATUS 465AcpiRsDmaResource ( 466 UINT8 *ByteStreamBuffer, 467 ACPI_SIZE *BytesConsumed, 468 UINT8 **OutputBuffer, 469 ACPI_SIZE *StructureSize) 470{ 471 UINT8 *Buffer = ByteStreamBuffer; 472 ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; 473 UINT8 Temp8 = 0; 474 UINT8 Index; 475 UINT8 i; 476 ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_DMA); 477 478 479 ACPI_FUNCTION_TRACE ("RsDmaResource"); 480 481 482 /* 483 * The number of bytes consumed are Constant 484 */ 485 *BytesConsumed = 3; 486 OutputStruct->Id = ACPI_RSTYPE_DMA; 487 488 /* 489 * Point to the 8-bits of Byte 1 490 */ 491 Buffer += 1; 492 Temp8 = *Buffer; 493 494 /* Decode the DMA channel bits */ 495 496 for (i = 0, Index = 0; Index < 8; Index++) 497 { 498 if ((Temp8 >> Index) & 0x01) 499 { 500 OutputStruct->Data.Dma.Channels[i] = Index; 501 i++; 502 } 503 } 504 505 /* Zero DMA channels is valid */ 506 507 OutputStruct->Data.Dma.NumberOfChannels = i; 508 if (i > 0) 509 { 510 /* 511 * Calculate the structure size based upon the number of interrupts 512 */ 513 StructSize += ((ACPI_SIZE) i - 1) * 4; 514 } 515 516 /* 517 * Point to Byte 2 518 */ 519 Buffer += 1; 520 Temp8 = *Buffer; 521 522 /* 523 * Check for transfer preference (Bits[1:0]) 524 */ 525 OutputStruct->Data.Dma.Transfer = Temp8 & 0x03; 526 527 if (0x03 == OutputStruct->Data.Dma.Transfer) 528 { 529 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid DMA.Transfer preference (3)\n")); 530 return_ACPI_STATUS (AE_BAD_DATA); 531 } 532 533 /* 534 * Get bus master preference (Bit[2]) 535 */ 536 OutputStruct->Data.Dma.BusMaster = (Temp8 >> 2) & 0x01; 537 538 /* 539 * Get channel speed support (Bits[6:5]) 540 */ 541 OutputStruct->Data.Dma.Type = (Temp8 >> 5) & 0x03; 542 543 /* 544 * Set the Length parameter 545 */ 546 OutputStruct->Length = (UINT32) StructSize; 547 548 /* 549 * Return the final size of the structure 550 */ 551 *StructureSize = StructSize; 552 return_ACPI_STATUS (AE_OK); 553} 554 555 556/******************************************************************************* 557 * 558 * FUNCTION: AcpiRsDmaStream 559 * 560 * PARAMETERS: LinkedList - Pointer to the resource linked list 561 * OutputBuffer - Pointer to the user's return buffer 562 * BytesConsumed - Pointer to where the number of bytes 563 * used in the OutputBuffer is returned 564 * 565 * RETURN: Status 566 * 567 * DESCRIPTION: Take the linked list resource structure and fills in the 568 * the appropriate bytes in a byte stream 569 * 570 ******************************************************************************/ 571 572ACPI_STATUS 573AcpiRsDmaStream ( 574 ACPI_RESOURCE *LinkedList, 575 UINT8 **OutputBuffer, 576 ACPI_SIZE *BytesConsumed) 577{ 578 UINT8 *Buffer = *OutputBuffer; 579 UINT16 Temp16 = 0; 580 UINT8 Temp8 = 0; 581 UINT8 Index; 582 583 584 ACPI_FUNCTION_TRACE ("RsDmaStream"); 585 586 587 /* 588 * The descriptor field is static 589 */ 590 *Buffer = 0x2A; 591 Buffer += 1; 592 Temp8 = 0; 593 594 /* 595 * Loop through all of the Channels and set the mask bits 596 */ 597 for (Index = 0; 598 Index < LinkedList->Data.Dma.NumberOfChannels; 599 Index++) 600 { 601 Temp16 = (UINT16) LinkedList->Data.Dma.Channels[Index]; 602 Temp8 |= 0x1 << Temp16; 603 } 604 605 *Buffer = Temp8; 606 Buffer += 1; 607 608 /* 609 * Set the DMA Info 610 */ 611 Temp8 = (UINT8) ((LinkedList->Data.Dma.Type & 0x03) << 5); 612 Temp8 |= ((LinkedList->Data.Dma.BusMaster & 0x01) << 2); 613 Temp8 |= (LinkedList->Data.Dma.Transfer & 0x03); 614 615 *Buffer = Temp8; 616 Buffer += 1; 617 618 /* 619 * Return the number of bytes consumed in this operation 620 */ 621 *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer); 622 return_ACPI_STATUS (AE_OK); 623} 624
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