1 /******************************************************************************
3 * Module Name: aslrestype2s - Serial Large resource descriptors
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2014, Intel Corp.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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41 * POSSIBILITY OF SUCH DAMAGES.
44 #include <contrib/dev/acpica/compiler/aslcompiler.h>
45 #include "aslcompiler.y.h"
46 #include <contrib/dev/acpica/include/amlcode.h>
48 #define _COMPONENT ACPI_COMPILER
49 ACPI_MODULE_NAME ("aslrestype2s")
53 RsGetBufferDataLength (
54 ACPI_PARSE_OBJECT *InitializerOp);
57 RsGetInterruptDataLength (
58 ACPI_PARSE_OBJECT *InitializerOp);
62 ACPI_PARSE_OBJECT *InitializerOp,
64 ACPI_SIZE DescriptorOffset);
67 * This module contains descriptors for serial buses and GPIO:
77 /*******************************************************************************
79 * FUNCTION: RsGetBufferDataLength
81 * PARAMETERS: InitializerOp - Current parse op, start of the resource
84 * RETURN: Length of the data buffer
86 * DESCRIPTION: Get the length of a RawDataBuffer, used for vendor data.
88 ******************************************************************************/
91 RsGetBufferDataLength (
92 ACPI_PARSE_OBJECT *InitializerOp)
94 UINT16 ExtraDataSize = 0;
95 ACPI_PARSE_OBJECT *DataList;
98 /* Find the byte-initializer list */
100 while (InitializerOp)
102 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DATABUFFER)
104 /* First child is the optional length (ignore it here) */
106 DataList = InitializerOp->Asl.Child;
107 DataList = ASL_GET_PEER_NODE (DataList);
109 /* Count the data items (each one is a byte of data) */
114 DataList = ASL_GET_PEER_NODE (DataList);
117 return (ExtraDataSize);
120 InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
123 return (ExtraDataSize);
127 /*******************************************************************************
129 * FUNCTION: RsGetInterruptDataLength
131 * PARAMETERS: InitializerOp - Current parse op, start of the resource
134 * RETURN: Length of the interrupt data list
136 * DESCRIPTION: Get the length of a list of interrupt DWORDs for the GPIO
139 ******************************************************************************/
142 RsGetInterruptDataLength (
143 ACPI_PARSE_OBJECT *InitializerOp)
145 UINT16 InterruptLength;
149 /* Count the interrupt numbers */
152 for (i = 0; InitializerOp; i++)
154 InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
156 /* Interrupt list starts at offset 10 (Gpio descriptors) */
160 InterruptLength += 2;
164 return (InterruptLength);
168 /*******************************************************************************
170 * FUNCTION: RsGetVendorData
172 * PARAMETERS: InitializerOp - Current parse op, start of the resource
174 * VendorData - Where the vendor data is returned
175 * DescriptorOffset - Where vendor data begins in descriptor
177 * RETURN: TRUE if valid vendor data was returned, FALSE otherwise.
179 * DESCRIPTION: Extract the vendor data and construct a vendor data buffer.
181 ******************************************************************************/
185 ACPI_PARSE_OBJECT *InitializerOp,
187 ACPI_SIZE DescriptorOffset)
189 ACPI_PARSE_OBJECT *BufferOp;
190 UINT32 SpecifiedLength = ACPI_UINT32_MAX;
191 UINT16 ActualLength = 0;
194 /* Vendor Data field is always optional */
196 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
201 BufferOp = InitializerOp->Asl.Child;
204 AslError (ASL_ERROR, ASL_MSG_SYNTAX, InitializerOp, "");
208 /* First child is the optional buffer length (WORD) */
210 if (BufferOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
212 SpecifiedLength = (UINT16) BufferOp->Asl.Value.Integer;
215 /* Insert field tag _VEN */
217 RsCreateByteField (InitializerOp, ACPI_RESTAG_VENDORDATA,
218 (UINT16) DescriptorOffset);
220 /* Walk the list of buffer initializers (each is one byte) */
222 BufferOp = RsCompleteNodeAndGetNext (BufferOp);
223 if (BufferOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
227 *VendorData = (UINT8) BufferOp->Asl.Value.Integer;
230 BufferOp = RsCompleteNodeAndGetNext (BufferOp);
234 /* Length validation. Buffer cannot be of zero length */
236 if ((SpecifiedLength == 0) ||
237 ((SpecifiedLength == ACPI_UINT32_MAX) && (ActualLength == 0)))
239 AslError (ASL_ERROR, ASL_MSG_BUFFER_LENGTH, InitializerOp, NULL);
243 if (SpecifiedLength != ACPI_UINT32_MAX)
245 /* ActualLength > SpecifiedLength -> error */
247 if (ActualLength > SpecifiedLength)
249 AslError (ASL_ERROR, ASL_MSG_LIST_LENGTH_LONG, InitializerOp, NULL);
253 /* ActualLength < SpecifiedLength -> remark */
255 else if (ActualLength < SpecifiedLength)
257 AslError (ASL_REMARK, ASL_MSG_LIST_LENGTH_SHORT, InitializerOp, NULL);
266 /*******************************************************************************
268 * FUNCTION: RsDoGpioIntDescriptor
270 * PARAMETERS: Info - Parse Op and resource template offset
272 * RETURN: Completed resource node
274 * DESCRIPTION: Construct a long "GpioInt" descriptor
276 ******************************************************************************/
279 RsDoGpioIntDescriptor (
280 ASL_RESOURCE_INFO *Info)
282 AML_RESOURCE *Descriptor;
283 ACPI_PARSE_OBJECT *InitializerOp;
284 ASL_RESOURCE_NODE *Rnode;
285 char *ResourceSource = NULL;
286 UINT8 *VendorData = NULL;
287 UINT16 *InterruptList = NULL;
288 UINT16 *PinList = NULL;
289 UINT16 ResSourceLength;
291 UINT16 InterruptLength;
292 UINT16 DescriptorSize;
293 UINT32 CurrentByteOffset;
298 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
299 CurrentByteOffset = Info->CurrentByteOffset;
302 * Calculate lengths for fields that have variable length:
303 * 1) Resource Source string
304 * 2) Vendor Data buffer
305 * 3) PIN (interrupt) list
307 ResSourceLength = RsGetStringDataLength (InitializerOp);
308 VendorLength = RsGetBufferDataLength (InitializerOp);
309 InterruptLength = RsGetInterruptDataLength (InitializerOp);
311 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_GPIO) +
312 ResSourceLength + VendorLength + InterruptLength;
314 /* Allocate the local resource node and initialize */
316 Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));
318 Descriptor = Rnode->Buffer;
319 Descriptor->Gpio.ResourceLength = DescriptorSize;
320 Descriptor->Gpio.DescriptorType = ACPI_RESOURCE_NAME_GPIO;
321 Descriptor->Gpio.RevisionId = AML_RESOURCE_GPIO_REVISION;
322 Descriptor->Gpio.ConnectionType = AML_RESOURCE_GPIO_TYPE_INT;
324 /* Build pointers to optional areas */
326 InterruptList = ACPI_ADD_PTR (UINT16, Descriptor, sizeof (AML_RESOURCE_GPIO));
327 PinList = InterruptList;
328 ResourceSource = ACPI_ADD_PTR (char, InterruptList, InterruptLength);
329 VendorData = ACPI_ADD_PTR (UINT8, ResourceSource, ResSourceLength);
331 /* Setup offsets within the descriptor */
333 Descriptor->Gpio.PinTableOffset = (UINT16)
334 ACPI_PTR_DIFF (InterruptList, Descriptor);
336 Descriptor->Gpio.ResSourceOffset = (UINT16)
337 ACPI_PTR_DIFF (ResourceSource, Descriptor);
339 DbgPrint (ASL_DEBUG_OUTPUT,
340 "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, IntLen: %.2X\n",
341 "GpioInt", Descriptor->Gpio.ResourceLength, (UINT16) sizeof (AML_RESOURCE_GPIO),
342 ResSourceLength, VendorLength, InterruptLength);
344 /* Process all child initialization nodes */
346 for (i = 0; InitializerOp; i++)
350 case 0: /* Interrupt Mode - edge/level [Flag] (_MOD) */
352 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 0, 0);
353 RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE,
354 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 0);
357 case 1: /* Interrupt Polarity - Active high/low [Flags] (_POL) */
359 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 1, 0);
360 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_POLARITY,
361 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 1, 2);
364 case 2: /* Share Type - Default: exclusive (0) [Flags] (_SHR) */
366 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 3, 0);
367 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
368 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 3, 2);
371 case 3: /* Pin Config [BYTE] (_PPI) */
373 Descriptor->Gpio.PinConfig = (UINT8) InitializerOp->Asl.Value.Integer;
374 RsCreateByteField (InitializerOp, ACPI_RESTAG_PINCONFIG,
375 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.PinConfig));
378 case 4: /* Debounce Timeout [WORD] (_DBT) */
380 Descriptor->Gpio.DebounceTimeout = (UINT16) InitializerOp->Asl.Value.Integer;
381 RsCreateWordField (InitializerOp, ACPI_RESTAG_DEBOUNCETIME,
382 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DebounceTimeout));
385 case 5: /* ResSource [Optional Field - STRING] */
389 /* Copy string to the descriptor */
391 strcpy (ResourceSource,
392 InitializerOp->Asl.Value.String);
396 case 6: /* Resource Index */
398 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
400 Descriptor->Gpio.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
404 case 7: /* Resource Usage (consumer/producer) */
406 RsSetFlagBits16 (&Descriptor->Gpio.Flags, InitializerOp, 0, 1);
409 case 8: /* Resource Tag (Descriptor Name) */
411 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
414 case 9: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
417 * Always set the VendorOffset even if there is no Vendor Data.
418 * This field is required in order to calculate the length
419 * of the ResourceSource at runtime.
421 Descriptor->Gpio.VendorOffset = (UINT16)
422 ACPI_PTR_DIFF (VendorData, Descriptor);
424 if (RsGetVendorData (InitializerOp, VendorData,
425 (CurrentByteOffset + Descriptor->Gpio.VendorOffset)))
427 Descriptor->Gpio.VendorLength = VendorLength;
433 * PINs come through here, repeatedly. Each PIN must be a DWORD.
434 * NOTE: there is no "length" field for this, so from ACPI spec:
435 * The number of pins in the table can be calculated from:
436 * PinCount = (Resource Source Name Offset - Pin Table Offset) / 2
437 * (implies resource source must immediately follow the pin list.)
440 *InterruptList = (UINT16) InitializerOp->Asl.Value.Integer;
444 /* Case 10: First interrupt number in list */
448 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
450 /* Must be at least one interrupt */
452 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
453 InitializerOp, NULL);
456 /* Check now for duplicates in list */
458 RsCheckListForDuplicates (InitializerOp);
460 /* Create a named field at the start of the list */
462 RsCreateDwordField (InitializerOp, ACPI_RESTAG_PIN,
463 CurrentByteOffset + Descriptor->Gpio.PinTableOffset);
468 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
471 MpSaveGpioInfo (Info->MappingOp, Descriptor, PinCount, PinList, ResourceSource);
476 /*******************************************************************************
478 * FUNCTION: RsDoGpioIoDescriptor
480 * PARAMETERS: Info - Parse Op and resource template offset
482 * RETURN: Completed resource node
484 * DESCRIPTION: Construct a long "GpioIo" descriptor
486 ******************************************************************************/
489 RsDoGpioIoDescriptor (
490 ASL_RESOURCE_INFO *Info)
492 AML_RESOURCE *Descriptor;
493 ACPI_PARSE_OBJECT *InitializerOp;
494 ASL_RESOURCE_NODE *Rnode;
495 char *ResourceSource = NULL;
496 UINT8 *VendorData = NULL;
497 UINT16 *InterruptList = NULL;
498 UINT16 *PinList = NULL;
499 UINT16 ResSourceLength;
501 UINT16 InterruptLength;
502 UINT16 DescriptorSize;
503 UINT32 CurrentByteOffset;
508 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
509 CurrentByteOffset = Info->CurrentByteOffset;
512 * Calculate lengths for fields that have variable length:
513 * 1) Resource Source string
514 * 2) Vendor Data buffer
515 * 3) PIN (interrupt) list
517 ResSourceLength = RsGetStringDataLength (InitializerOp);
518 VendorLength = RsGetBufferDataLength (InitializerOp);
519 InterruptLength = RsGetInterruptDataLength (InitializerOp);
520 PinList = InterruptList;
522 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_GPIO) +
523 ResSourceLength + VendorLength + InterruptLength;
525 /* Allocate the local resource node and initialize */
527 Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));
529 Descriptor = Rnode->Buffer;
530 Descriptor->Gpio.ResourceLength = DescriptorSize;
531 Descriptor->Gpio.DescriptorType = ACPI_RESOURCE_NAME_GPIO;
532 Descriptor->Gpio.RevisionId = AML_RESOURCE_GPIO_REVISION;
533 Descriptor->Gpio.ConnectionType = AML_RESOURCE_GPIO_TYPE_IO;
535 /* Build pointers to optional areas */
537 InterruptList = ACPI_ADD_PTR (UINT16, Descriptor, sizeof (AML_RESOURCE_GPIO));
538 PinList = InterruptList;
539 ResourceSource = ACPI_ADD_PTR (char, InterruptList, InterruptLength);
540 VendorData = ACPI_ADD_PTR (UINT8, ResourceSource, ResSourceLength);
542 /* Setup offsets within the descriptor */
544 Descriptor->Gpio.PinTableOffset = (UINT16)
545 ACPI_PTR_DIFF (InterruptList, Descriptor);
547 Descriptor->Gpio.ResSourceOffset = (UINT16)
548 ACPI_PTR_DIFF (ResourceSource, Descriptor);
550 DbgPrint (ASL_DEBUG_OUTPUT,
551 "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, IntLen: %.2X\n",
552 "GpioIo", Descriptor->Gpio.ResourceLength, (UINT16) sizeof (AML_RESOURCE_GPIO),
553 ResSourceLength, VendorLength, InterruptLength);
555 /* Process all child initialization nodes */
557 for (i = 0; InitializerOp; i++)
561 case 0: /* Share Type [Flags] (_SHR) */
563 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 3, 0);
564 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
565 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 3);
568 case 1: /* Pin Config [BYTE] (_PPI) */
570 Descriptor->Gpio.PinConfig = (UINT8) InitializerOp->Asl.Value.Integer;
571 RsCreateByteField (InitializerOp, ACPI_RESTAG_PINCONFIG,
572 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.PinConfig));
575 case 2: /* Debounce Timeout [WORD] (_DBT) */
577 Descriptor->Gpio.DebounceTimeout = (UINT16) InitializerOp->Asl.Value.Integer;
578 RsCreateWordField (InitializerOp, ACPI_RESTAG_DEBOUNCETIME,
579 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DebounceTimeout));
582 case 3: /* Drive Strength [WORD] (_DRS) */
584 Descriptor->Gpio.DriveStrength = (UINT16) InitializerOp->Asl.Value.Integer;
585 RsCreateWordField (InitializerOp, ACPI_RESTAG_DRIVESTRENGTH,
586 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DriveStrength));
589 case 4: /* I/O Restriction [Flag] (_IOR) */
591 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 0, 0);
592 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_IORESTRICTION,
593 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 0, 2);
596 case 5: /* ResSource [Optional Field - STRING] */
600 /* Copy string to the descriptor */
602 strcpy (ResourceSource,
603 InitializerOp->Asl.Value.String);
607 case 6: /* Resource Index */
609 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
611 Descriptor->Gpio.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
615 case 7: /* Resource Usage (consumer/producer) */
617 RsSetFlagBits16 (&Descriptor->Gpio.Flags, InitializerOp, 0, 1);
620 case 8: /* Resource Tag (Descriptor Name) */
622 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
625 case 9: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
627 * Always set the VendorOffset even if there is no Vendor Data.
628 * This field is required in order to calculate the length
629 * of the ResourceSource at runtime.
631 Descriptor->Gpio.VendorOffset = (UINT16)
632 ACPI_PTR_DIFF (VendorData, Descriptor);
634 if (RsGetVendorData (InitializerOp, VendorData,
635 (CurrentByteOffset + Descriptor->Gpio.VendorOffset)))
637 Descriptor->Gpio.VendorLength = VendorLength;
643 * PINs come through here, repeatedly. Each PIN must be a DWORD.
644 * NOTE: there is no "length" field for this, so from ACPI spec:
645 * The number of pins in the table can be calculated from:
646 * PinCount = (Resource Source Name Offset - Pin Table Offset) / 2
647 * (implies resource source must immediately follow the pin list.)
650 *InterruptList = (UINT16) InitializerOp->Asl.Value.Integer;
654 /* Case 10: First interrupt number in list */
658 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
660 /* Must be at least one interrupt */
662 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
663 InitializerOp, NULL);
666 /* Check now for duplicates in list */
668 RsCheckListForDuplicates (InitializerOp);
670 /* Create a named field at the start of the list */
672 RsCreateDwordField (InitializerOp, ACPI_RESTAG_PIN,
673 CurrentByteOffset + Descriptor->Gpio.PinTableOffset);
678 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
681 MpSaveGpioInfo (Info->MappingOp, Descriptor, PinCount, PinList, ResourceSource);
686 /*******************************************************************************
688 * FUNCTION: RsDoI2cSerialBusDescriptor
690 * PARAMETERS: Info - Parse Op and resource template offset
692 * RETURN: Completed resource node
694 * DESCRIPTION: Construct a long "I2cSerialBus" descriptor
696 ******************************************************************************/
699 RsDoI2cSerialBusDescriptor (
700 ASL_RESOURCE_INFO *Info)
702 AML_RESOURCE *Descriptor;
703 ACPI_PARSE_OBJECT *InitializerOp;
704 ASL_RESOURCE_NODE *Rnode;
705 char *ResourceSource = NULL;
706 UINT8 *VendorData = NULL;
707 UINT16 ResSourceLength;
709 UINT16 DescriptorSize;
710 UINT32 CurrentByteOffset;
714 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
715 CurrentByteOffset = Info->CurrentByteOffset;
718 * Calculate lengths for fields that have variable length:
719 * 1) Resource Source string
720 * 2) Vendor Data buffer
722 ResSourceLength = RsGetStringDataLength (InitializerOp);
723 VendorLength = RsGetBufferDataLength (InitializerOp);
725 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_I2C_SERIALBUS) +
726 ResSourceLength + VendorLength;
728 /* Allocate the local resource node and initialize */
730 Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));
732 Descriptor = Rnode->Buffer;
733 Descriptor->I2cSerialBus.ResourceLength = DescriptorSize;
734 Descriptor->I2cSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
735 Descriptor->I2cSerialBus.RevisionId = AML_RESOURCE_I2C_REVISION;
736 Descriptor->I2cSerialBus.TypeRevisionId = AML_RESOURCE_I2C_TYPE_REVISION;
737 Descriptor->I2cSerialBus.Type = AML_RESOURCE_I2C_SERIALBUSTYPE;
738 Descriptor->I2cSerialBus.TypeDataLength = AML_RESOURCE_I2C_MIN_DATA_LEN + VendorLength;
740 /* Build pointers to optional areas */
742 VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_I2C_SERIALBUS));
743 ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
745 DbgPrint (ASL_DEBUG_OUTPUT,
746 "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n",
747 "I2cSerialBus", Descriptor->I2cSerialBus.ResourceLength,
748 (UINT16) sizeof (AML_RESOURCE_I2C_SERIALBUS), ResSourceLength,
749 VendorLength, Descriptor->I2cSerialBus.TypeDataLength);
751 /* Process all child initialization nodes */
753 for (i = 0; InitializerOp; i++)
757 case 0: /* Slave Address [WORD] (_ADR) */
759 Descriptor->I2cSerialBus.SlaveAddress = (UINT16) InitializerOp->Asl.Value.Integer;
760 RsCreateWordField (InitializerOp, ACPI_RESTAG_ADDRESS,
761 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.SlaveAddress));
764 case 1: /* Slave Mode [Flag] (_SLV) */
766 RsSetFlagBits (&Descriptor->I2cSerialBus.Flags, InitializerOp, 0, 0);
767 RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE,
768 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.Flags), 0);
771 case 2: /* Connection Speed [DWORD] (_SPE) */
773 Descriptor->I2cSerialBus.ConnectionSpeed = (UINT32) InitializerOp->Asl.Value.Integer;
774 RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
775 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.ConnectionSpeed));
778 case 3: /* Addressing Mode [Flag] (_MOD) */
780 RsSetFlagBits16 (&Descriptor->I2cSerialBus.TypeSpecificFlags, InitializerOp, 0, 0);
781 RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE,
782 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.TypeSpecificFlags), 0);
785 case 4: /* ResSource [Optional Field - STRING] */
789 /* Copy string to the descriptor */
791 strcpy (ResourceSource,
792 InitializerOp->Asl.Value.String);
796 case 5: /* Resource Index */
798 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
800 Descriptor->I2cSerialBus.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
804 case 6: /* Resource Usage (consumer/producer) */
806 RsSetFlagBits (&Descriptor->I2cSerialBus.Flags, InitializerOp, 1, 1);
809 case 7: /* Resource Tag (Descriptor Name) */
811 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
814 case 8: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
816 RsGetVendorData (InitializerOp, VendorData,
817 CurrentByteOffset + sizeof (AML_RESOURCE_I2C_SERIALBUS));
820 default: /* Ignore any extra nodes */
825 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
828 MpSaveSerialInfo (Info->MappingOp, Descriptor, ResourceSource);
833 /*******************************************************************************
835 * FUNCTION: RsDoSpiSerialBusDescriptor
837 * PARAMETERS: Info - Parse Op and resource template offset
839 * RETURN: Completed resource node
841 * DESCRIPTION: Construct a long "SPI Serial Bus" descriptor
843 ******************************************************************************/
846 RsDoSpiSerialBusDescriptor (
847 ASL_RESOURCE_INFO *Info)
849 AML_RESOURCE *Descriptor;
850 ACPI_PARSE_OBJECT *InitializerOp;
851 ASL_RESOURCE_NODE *Rnode;
852 char *ResourceSource = NULL;
853 UINT8 *VendorData = NULL;
854 UINT16 ResSourceLength;
856 UINT16 DescriptorSize;
857 UINT32 CurrentByteOffset;
861 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
862 CurrentByteOffset = Info->CurrentByteOffset;
865 * Calculate lengths for fields that have variable length:
866 * 1) Resource Source string
867 * 2) Vendor Data buffer
869 ResSourceLength = RsGetStringDataLength (InitializerOp);
870 VendorLength = RsGetBufferDataLength (InitializerOp);
872 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_SPI_SERIALBUS) +
873 ResSourceLength + VendorLength;
875 /* Allocate the local resource node and initialize */
877 Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));
879 Descriptor = Rnode->Buffer;
880 Descriptor->SpiSerialBus.ResourceLength = DescriptorSize;
881 Descriptor->SpiSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
882 Descriptor->SpiSerialBus.RevisionId = AML_RESOURCE_SPI_REVISION;
883 Descriptor->SpiSerialBus.TypeRevisionId = AML_RESOURCE_SPI_TYPE_REVISION;
884 Descriptor->SpiSerialBus.Type = AML_RESOURCE_SPI_SERIALBUSTYPE;
885 Descriptor->SpiSerialBus.TypeDataLength = AML_RESOURCE_SPI_MIN_DATA_LEN + VendorLength;
887 /* Build pointers to optional areas */
889 VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_SPI_SERIALBUS));
890 ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
892 DbgPrint (ASL_DEBUG_OUTPUT,
893 "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n",
894 "SpiSerialBus", Descriptor->SpiSerialBus.ResourceLength,
895 (UINT16) sizeof (AML_RESOURCE_SPI_SERIALBUS), ResSourceLength,
896 VendorLength, Descriptor->SpiSerialBus.TypeDataLength);
898 /* Process all child initialization nodes */
900 for (i = 0; InitializerOp; i++)
904 case 0: /* Device Selection [WORD] (_ADR) */
906 Descriptor->SpiSerialBus.DeviceSelection = (UINT16) InitializerOp->Asl.Value.Integer;
907 RsCreateWordField (InitializerOp, ACPI_RESTAG_ADDRESS,
908 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.DeviceSelection));
911 case 1: /* Device Polarity [Flag] (_DPL) */
913 RsSetFlagBits16 (&Descriptor->SpiSerialBus.TypeSpecificFlags, InitializerOp, 1, 0);
914 RsCreateBitField (InitializerOp, ACPI_RESTAG_DEVICEPOLARITY,
915 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.TypeSpecificFlags), 1);
918 case 2: /* Wire Mode [Flag] (_MOD) */
920 RsSetFlagBits16 (&Descriptor->SpiSerialBus.TypeSpecificFlags, InitializerOp, 0, 0);
921 RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE,
922 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.TypeSpecificFlags), 0);
925 case 3: /* Device Bit Length [BYTE] (_LEN) */
927 Descriptor->SpiSerialBus.DataBitLength = (UINT8) InitializerOp->Asl.Value.Integer;
928 RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
929 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.DataBitLength));
932 case 4: /* Slave Mode [Flag] (_SLV) */
934 RsSetFlagBits (&Descriptor->SpiSerialBus.Flags, InitializerOp, 0, 0);
935 RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE,
936 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.Flags), 0);
939 case 5: /* Connection Speed [DWORD] (_SPE) */
941 Descriptor->SpiSerialBus.ConnectionSpeed = (UINT32) InitializerOp->Asl.Value.Integer;
942 RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
943 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ConnectionSpeed));
946 case 6: /* Clock Polarity [BYTE] (_POL) */
948 Descriptor->SpiSerialBus.ClockPolarity = (UINT8) InitializerOp->Asl.Value.Integer;
949 RsCreateByteField (InitializerOp, ACPI_RESTAG_POLARITY,
950 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ClockPolarity));
953 case 7: /* Clock Phase [BYTE] (_PHA) */
955 Descriptor->SpiSerialBus.ClockPhase = (UINT8) InitializerOp->Asl.Value.Integer;
956 RsCreateByteField (InitializerOp, ACPI_RESTAG_PHASE,
957 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ClockPhase));
960 case 8: /* ResSource [Optional Field - STRING] */
964 /* Copy string to the descriptor */
966 strcpy (ResourceSource,
967 InitializerOp->Asl.Value.String);
971 case 9: /* Resource Index */
973 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
975 Descriptor->SpiSerialBus.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
979 case 10: /* Resource Usage (consumer/producer) */
981 RsSetFlagBits (&Descriptor->SpiSerialBus.Flags, InitializerOp, 1, 1);
984 case 11: /* Resource Tag (Descriptor Name) */
986 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
989 case 12: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
991 RsGetVendorData (InitializerOp, VendorData,
992 CurrentByteOffset + sizeof (AML_RESOURCE_SPI_SERIALBUS));
995 default: /* Ignore any extra nodes */
1000 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
1003 MpSaveSerialInfo (Info->MappingOp, Descriptor, ResourceSource);
1008 /*******************************************************************************
1010 * FUNCTION: RsDoUartSerialBusDescriptor
1012 * PARAMETERS: Info - Parse Op and resource template offset
1014 * RETURN: Completed resource node
1016 * DESCRIPTION: Construct a long "UART Serial Bus" descriptor
1018 ******************************************************************************/
1021 RsDoUartSerialBusDescriptor (
1022 ASL_RESOURCE_INFO *Info)
1024 AML_RESOURCE *Descriptor;
1025 ACPI_PARSE_OBJECT *InitializerOp;
1026 ASL_RESOURCE_NODE *Rnode;
1027 char *ResourceSource = NULL;
1028 UINT8 *VendorData = NULL;
1029 UINT16 ResSourceLength;
1030 UINT16 VendorLength;
1031 UINT16 DescriptorSize;
1032 UINT32 CurrentByteOffset;
1036 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
1037 CurrentByteOffset = Info->CurrentByteOffset;
1040 * Calculate lengths for fields that have variable length:
1041 * 1) Resource Source string
1042 * 2) Vendor Data buffer
1044 ResSourceLength = RsGetStringDataLength (InitializerOp);
1045 VendorLength = RsGetBufferDataLength (InitializerOp);
1047 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_UART_SERIALBUS) +
1048 ResSourceLength + VendorLength;
1050 /* Allocate the local resource node and initialize */
1052 Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));
1054 Descriptor = Rnode->Buffer;
1055 Descriptor->UartSerialBus.ResourceLength = DescriptorSize;
1056 Descriptor->UartSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
1057 Descriptor->UartSerialBus.RevisionId = AML_RESOURCE_UART_REVISION;
1058 Descriptor->UartSerialBus.TypeRevisionId = AML_RESOURCE_UART_TYPE_REVISION;
1059 Descriptor->UartSerialBus.Type = AML_RESOURCE_UART_SERIALBUSTYPE;
1060 Descriptor->UartSerialBus.TypeDataLength = AML_RESOURCE_UART_MIN_DATA_LEN + VendorLength;
1062 /* Build pointers to optional areas */
1064 VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_UART_SERIALBUS));
1065 ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
1067 DbgPrint (ASL_DEBUG_OUTPUT,
1068 "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n",
1069 "UartSerialBus", Descriptor->UartSerialBus.ResourceLength,
1070 (UINT16) sizeof (AML_RESOURCE_UART_SERIALBUS), ResSourceLength,
1071 VendorLength, Descriptor->UartSerialBus.TypeDataLength);
1073 /* Process all child initialization nodes */
1075 for (i = 0; InitializerOp; i++)
1079 case 0: /* Connection Speed (Baud Rate) [DWORD] (_SPE) */
1081 Descriptor->UartSerialBus.DefaultBaudRate = (UINT32) InitializerOp->Asl.Value.Integer;
1082 RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
1083 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.DefaultBaudRate));
1086 case 1: /* Bits Per Byte [Flags] (_LEN) */
1088 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 4, 3);
1089 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_LENGTH,
1090 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 4, 3);
1093 case 2: /* Stop Bits [Flags] (_STB) */
1095 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 2, 1);
1096 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_STOPBITS,
1097 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 2, 2);
1100 case 3: /* Lines In Use [BYTE] (_LIN) */
1102 Descriptor->UartSerialBus.LinesEnabled = (UINT8) InitializerOp->Asl.Value.Integer;
1103 RsCreateByteField (InitializerOp, ACPI_RESTAG_LINE,
1104 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.LinesEnabled));
1107 case 4: /* Endianness [Flag] (_END) */
1109 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 7, 0);
1110 RsCreateBitField (InitializerOp, ACPI_RESTAG_ENDIANNESS,
1111 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 7);
1114 case 5: /* Parity [BYTE] (_PAR) */
1116 Descriptor->UartSerialBus.Parity = (UINT8) InitializerOp->Asl.Value.Integer;
1117 RsCreateByteField (InitializerOp, ACPI_RESTAG_PARITY,
1118 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.Parity));
1121 case 6: /* Flow Control [Flags] (_FLC) */
1123 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 0, 0);
1124 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_FLOWCONTROL,
1125 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 0, 2);
1128 case 7: /* Rx Buffer Size [WORD] (_RXL) */
1130 Descriptor->UartSerialBus.RxFifoSize = (UINT16) InitializerOp->Asl.Value.Integer;
1131 RsCreateWordField (InitializerOp, ACPI_RESTAG_LENGTH_RX,
1132 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.RxFifoSize));
1135 case 8: /* Tx Buffer Size [WORD] (_TXL) */
1137 Descriptor->UartSerialBus.TxFifoSize = (UINT16) InitializerOp->Asl.Value.Integer;
1138 RsCreateWordField (InitializerOp, ACPI_RESTAG_LENGTH_TX,
1139 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TxFifoSize));
1142 case 9: /* ResSource [Optional Field - STRING] */
1144 if (ResSourceLength)
1146 /* Copy string to the descriptor */
1148 strcpy (ResourceSource,
1149 InitializerOp->Asl.Value.String);
1153 case 10: /* Resource Index */
1155 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
1157 Descriptor->UartSerialBus.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
1161 case 11: /* Resource Usage (consumer/producer) */
1163 RsSetFlagBits (&Descriptor->UartSerialBus.Flags, InitializerOp, 1, 1);
1166 * Slave Mode [Flag] (_SLV)
1168 * Note: There is no SlaveMode argument to the UartSerialBus macro, but
1169 * we add this name anyway to allow the flag to be set by ASL in the
1170 * rare case where there is a slave mode associated with the UART.
1172 RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE,
1173 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.Flags), 0);
1176 case 12: /* Resource Tag (Descriptor Name) */
1178 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
1181 case 13: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
1183 RsGetVendorData (InitializerOp, VendorData,
1184 CurrentByteOffset + sizeof (AML_RESOURCE_UART_SERIALBUS));
1187 default: /* Ignore any extra nodes */
1192 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
1195 MpSaveSerialInfo (Info->MappingOp, Descriptor, ResourceSource);