1 /******************************************************************************
3 * Module Name: aslrestype2s - Serial Large resource descriptors
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2015, 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 "aslcompiler.h"
45 #include "aslcompiler.y.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 +
317 sizeof (AML_RESOURCE_LARGE_HEADER));
319 Descriptor = Rnode->Buffer;
320 Descriptor->Gpio.ResourceLength = DescriptorSize;
321 Descriptor->Gpio.DescriptorType = ACPI_RESOURCE_NAME_GPIO;
322 Descriptor->Gpio.RevisionId = AML_RESOURCE_GPIO_REVISION;
323 Descriptor->Gpio.ConnectionType = AML_RESOURCE_GPIO_TYPE_INT;
325 /* Build pointers to optional areas */
327 InterruptList = ACPI_ADD_PTR (UINT16, Descriptor,
328 sizeof (AML_RESOURCE_GPIO));
329 PinList = InterruptList;
330 ResourceSource = ACPI_ADD_PTR (char, InterruptList, InterruptLength);
331 VendorData = ACPI_ADD_PTR (UINT8, ResourceSource, ResSourceLength);
333 /* Setup offsets within the descriptor */
335 Descriptor->Gpio.PinTableOffset = (UINT16)
336 ACPI_PTR_DIFF (InterruptList, Descriptor);
338 Descriptor->Gpio.ResSourceOffset = (UINT16)
339 ACPI_PTR_DIFF (ResourceSource, Descriptor);
341 DbgPrint (ASL_DEBUG_OUTPUT,
342 "%16s - Actual: %.2X, Base: %.2X, ResLen: "
343 "%.2X, VendLen: %.2X, IntLen: %.2X\n",
344 "GpioInt", Descriptor->Gpio.ResourceLength,
345 (UINT16) sizeof (AML_RESOURCE_GPIO),
346 ResSourceLength, VendorLength, InterruptLength);
348 /* Process all child initialization nodes */
350 for (i = 0; InitializerOp; i++)
354 case 0: /* Interrupt Mode - edge/level [Flag] (_MOD) */
356 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 0, 0);
357 RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE,
358 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 0);
361 case 1: /* Interrupt Polarity - Active high/low [Flags] (_POL) */
363 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 1, 0);
364 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_POLARITY,
365 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 1, 2);
368 case 2: /* Share Type - Default: exclusive (0) [Flags] (_SHR) */
370 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 3, 0);
371 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
372 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 3, 2);
375 case 3: /* Pin Config [BYTE] (_PPI) */
377 Descriptor->Gpio.PinConfig = (UINT8) InitializerOp->Asl.Value.Integer;
378 RsCreateByteField (InitializerOp, ACPI_RESTAG_PINCONFIG,
379 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.PinConfig));
382 case 4: /* Debounce Timeout [WORD] (_DBT) */
384 Descriptor->Gpio.DebounceTimeout = (UINT16) InitializerOp->Asl.Value.Integer;
385 RsCreateWordField (InitializerOp, ACPI_RESTAG_DEBOUNCETIME,
386 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DebounceTimeout));
389 case 5: /* ResSource [Optional Field - STRING] */
393 /* Copy string to the descriptor */
395 strcpy (ResourceSource,
396 InitializerOp->Asl.Value.String);
400 case 6: /* Resource Index */
402 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
404 Descriptor->Gpio.ResSourceIndex =
405 (UINT8) InitializerOp->Asl.Value.Integer;
409 case 7: /* Resource Usage (consumer/producer) */
411 RsSetFlagBits16 (&Descriptor->Gpio.Flags, InitializerOp, 0, 1);
414 case 8: /* Resource Tag (Descriptor Name) */
416 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
419 case 9: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
422 * Always set the VendorOffset even if there is no Vendor Data.
423 * This field is required in order to calculate the length
424 * of the ResourceSource at runtime.
426 Descriptor->Gpio.VendorOffset = (UINT16)
427 ACPI_PTR_DIFF (VendorData, Descriptor);
429 if (RsGetVendorData (InitializerOp, VendorData,
430 (CurrentByteOffset + Descriptor->Gpio.VendorOffset)))
432 Descriptor->Gpio.VendorLength = VendorLength;
438 * PINs come through here, repeatedly. Each PIN must be a DWORD.
439 * NOTE: there is no "length" field for this, so from ACPI spec:
440 * The number of pins in the table can be calculated from:
441 * PinCount = (Resource Source Name Offset - Pin Table Offset) / 2
442 * (implies resource source must immediately follow the pin list.)
445 *InterruptList = (UINT16) InitializerOp->Asl.Value.Integer;
449 /* Case 10: First interrupt number in list */
453 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
455 /* Must be at least one interrupt */
457 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
458 InitializerOp, NULL);
461 /* Check now for duplicates in list */
463 RsCheckListForDuplicates (InitializerOp);
465 /* Create a named field at the start of the list */
467 RsCreateDwordField (InitializerOp, ACPI_RESTAG_PIN,
468 CurrentByteOffset + Descriptor->Gpio.PinTableOffset);
473 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
476 MpSaveGpioInfo (Info->MappingOp, Descriptor,
477 PinCount, PinList, ResourceSource);
482 /*******************************************************************************
484 * FUNCTION: RsDoGpioIoDescriptor
486 * PARAMETERS: Info - Parse Op and resource template offset
488 * RETURN: Completed resource node
490 * DESCRIPTION: Construct a long "GpioIo" descriptor
492 ******************************************************************************/
495 RsDoGpioIoDescriptor (
496 ASL_RESOURCE_INFO *Info)
498 AML_RESOURCE *Descriptor;
499 ACPI_PARSE_OBJECT *InitializerOp;
500 ASL_RESOURCE_NODE *Rnode;
501 char *ResourceSource = NULL;
502 UINT8 *VendorData = NULL;
503 UINT16 *InterruptList = NULL;
504 UINT16 *PinList = NULL;
505 UINT16 ResSourceLength;
507 UINT16 InterruptLength;
508 UINT16 DescriptorSize;
509 UINT32 CurrentByteOffset;
514 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
515 CurrentByteOffset = Info->CurrentByteOffset;
518 * Calculate lengths for fields that have variable length:
519 * 1) Resource Source string
520 * 2) Vendor Data buffer
521 * 3) PIN (interrupt) list
523 ResSourceLength = RsGetStringDataLength (InitializerOp);
524 VendorLength = RsGetBufferDataLength (InitializerOp);
525 InterruptLength = RsGetInterruptDataLength (InitializerOp);
526 PinList = InterruptList;
528 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_GPIO) +
529 ResSourceLength + VendorLength + InterruptLength;
531 /* Allocate the local resource node and initialize */
533 Rnode = RsAllocateResourceNode (DescriptorSize +
534 sizeof (AML_RESOURCE_LARGE_HEADER));
536 Descriptor = Rnode->Buffer;
537 Descriptor->Gpio.ResourceLength = DescriptorSize;
538 Descriptor->Gpio.DescriptorType = ACPI_RESOURCE_NAME_GPIO;
539 Descriptor->Gpio.RevisionId = AML_RESOURCE_GPIO_REVISION;
540 Descriptor->Gpio.ConnectionType = AML_RESOURCE_GPIO_TYPE_IO;
542 /* Build pointers to optional areas */
544 InterruptList = ACPI_ADD_PTR (UINT16, Descriptor, sizeof (AML_RESOURCE_GPIO));
545 PinList = InterruptList;
546 ResourceSource = ACPI_ADD_PTR (char, InterruptList, InterruptLength);
547 VendorData = ACPI_ADD_PTR (UINT8, ResourceSource, ResSourceLength);
549 /* Setup offsets within the descriptor */
551 Descriptor->Gpio.PinTableOffset = (UINT16)
552 ACPI_PTR_DIFF (InterruptList, Descriptor);
554 Descriptor->Gpio.ResSourceOffset = (UINT16)
555 ACPI_PTR_DIFF (ResourceSource, Descriptor);
557 DbgPrint (ASL_DEBUG_OUTPUT,
558 "%16s - Actual: %.2X, Base: %.2X, ResLen: "
559 "%.2X, VendLen: %.2X, IntLen: %.2X\n",
560 "GpioIo", Descriptor->Gpio.ResourceLength,
561 (UINT16) sizeof (AML_RESOURCE_GPIO),
562 ResSourceLength, VendorLength, InterruptLength);
564 /* Process all child initialization nodes */
566 for (i = 0; InitializerOp; i++)
570 case 0: /* Share Type [Flags] (_SHR) */
572 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 3, 0);
573 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
574 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 3);
577 case 1: /* Pin Config [BYTE] (_PPI) */
579 Descriptor->Gpio.PinConfig = (UINT8) InitializerOp->Asl.Value.Integer;
580 RsCreateByteField (InitializerOp, ACPI_RESTAG_PINCONFIG,
581 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.PinConfig));
584 case 2: /* Debounce Timeout [WORD] (_DBT) */
586 Descriptor->Gpio.DebounceTimeout = (UINT16) InitializerOp->Asl.Value.Integer;
587 RsCreateWordField (InitializerOp, ACPI_RESTAG_DEBOUNCETIME,
588 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DebounceTimeout));
591 case 3: /* Drive Strength [WORD] (_DRS) */
593 Descriptor->Gpio.DriveStrength = (UINT16) InitializerOp->Asl.Value.Integer;
594 RsCreateWordField (InitializerOp, ACPI_RESTAG_DRIVESTRENGTH,
595 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DriveStrength));
598 case 4: /* I/O Restriction [Flag] (_IOR) */
600 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 0, 0);
601 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_IORESTRICTION,
602 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 0, 2);
605 case 5: /* ResSource [Optional Field - STRING] */
609 /* Copy string to the descriptor */
611 strcpy (ResourceSource,
612 InitializerOp->Asl.Value.String);
616 case 6: /* Resource Index */
618 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
620 Descriptor->Gpio.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
624 case 7: /* Resource Usage (consumer/producer) */
626 RsSetFlagBits16 (&Descriptor->Gpio.Flags, InitializerOp, 0, 1);
629 case 8: /* Resource Tag (Descriptor Name) */
631 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
634 case 9: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
636 * Always set the VendorOffset even if there is no Vendor Data.
637 * This field is required in order to calculate the length
638 * of the ResourceSource at runtime.
640 Descriptor->Gpio.VendorOffset = (UINT16)
641 ACPI_PTR_DIFF (VendorData, Descriptor);
643 if (RsGetVendorData (InitializerOp, VendorData,
644 (CurrentByteOffset + Descriptor->Gpio.VendorOffset)))
646 Descriptor->Gpio.VendorLength = VendorLength;
652 * PINs come through here, repeatedly. Each PIN must be a DWORD.
653 * NOTE: there is no "length" field for this, so from ACPI spec:
654 * The number of pins in the table can be calculated from:
655 * PinCount = (Resource Source Name Offset - Pin Table Offset) / 2
656 * (implies resource source must immediately follow the pin list.)
659 *InterruptList = (UINT16) InitializerOp->Asl.Value.Integer;
663 /* Case 10: First interrupt number in list */
667 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
669 /* Must be at least one interrupt */
671 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
672 InitializerOp, NULL);
675 /* Check now for duplicates in list */
677 RsCheckListForDuplicates (InitializerOp);
679 /* Create a named field at the start of the list */
681 RsCreateDwordField (InitializerOp, ACPI_RESTAG_PIN,
682 CurrentByteOffset + Descriptor->Gpio.PinTableOffset);
687 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
690 MpSaveGpioInfo (Info->MappingOp, Descriptor,
691 PinCount, PinList, ResourceSource);
696 /*******************************************************************************
698 * FUNCTION: RsDoI2cSerialBusDescriptor
700 * PARAMETERS: Info - Parse Op and resource template offset
702 * RETURN: Completed resource node
704 * DESCRIPTION: Construct a long "I2cSerialBus" descriptor
706 ******************************************************************************/
709 RsDoI2cSerialBusDescriptor (
710 ASL_RESOURCE_INFO *Info)
712 AML_RESOURCE *Descriptor;
713 ACPI_PARSE_OBJECT *InitializerOp;
714 ASL_RESOURCE_NODE *Rnode;
715 char *ResourceSource = NULL;
716 UINT8 *VendorData = NULL;
717 UINT16 ResSourceLength;
719 UINT16 DescriptorSize;
720 UINT32 CurrentByteOffset;
724 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
725 CurrentByteOffset = Info->CurrentByteOffset;
728 * Calculate lengths for fields that have variable length:
729 * 1) Resource Source string
730 * 2) Vendor Data buffer
732 ResSourceLength = RsGetStringDataLength (InitializerOp);
733 VendorLength = RsGetBufferDataLength (InitializerOp);
735 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_I2C_SERIALBUS) +
736 ResSourceLength + VendorLength;
738 /* Allocate the local resource node and initialize */
740 Rnode = RsAllocateResourceNode (DescriptorSize +
741 sizeof (AML_RESOURCE_LARGE_HEADER));
743 Descriptor = Rnode->Buffer;
744 Descriptor->I2cSerialBus.ResourceLength = DescriptorSize;
745 Descriptor->I2cSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
746 Descriptor->I2cSerialBus.RevisionId = AML_RESOURCE_I2C_REVISION;
747 Descriptor->I2cSerialBus.TypeRevisionId = AML_RESOURCE_I2C_TYPE_REVISION;
748 Descriptor->I2cSerialBus.Type = AML_RESOURCE_I2C_SERIALBUSTYPE;
749 Descriptor->I2cSerialBus.TypeDataLength = AML_RESOURCE_I2C_MIN_DATA_LEN + VendorLength;
751 /* Build pointers to optional areas */
753 VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_I2C_SERIALBUS));
754 ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
756 DbgPrint (ASL_DEBUG_OUTPUT,
757 "%16s - Actual: %.2X, Base: %.2X, ResLen: "
758 "%.2X, VendLen: %.2X, TypLen: %.2X\n",
759 "I2cSerialBus", Descriptor->I2cSerialBus.ResourceLength,
760 (UINT16) sizeof (AML_RESOURCE_I2C_SERIALBUS), ResSourceLength,
761 VendorLength, Descriptor->I2cSerialBus.TypeDataLength);
763 /* Process all child initialization nodes */
765 for (i = 0; InitializerOp; i++)
769 case 0: /* Slave Address [WORD] (_ADR) */
771 Descriptor->I2cSerialBus.SlaveAddress = (UINT16) InitializerOp->Asl.Value.Integer;
772 RsCreateWordField (InitializerOp, ACPI_RESTAG_ADDRESS,
773 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.SlaveAddress));
776 case 1: /* Slave Mode [Flag] (_SLV) */
778 RsSetFlagBits (&Descriptor->I2cSerialBus.Flags, InitializerOp, 0, 0);
779 RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE,
780 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.Flags), 0);
783 case 2: /* Connection Speed [DWORD] (_SPE) */
785 Descriptor->I2cSerialBus.ConnectionSpeed = (UINT32) InitializerOp->Asl.Value.Integer;
786 RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
787 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.ConnectionSpeed));
790 case 3: /* Addressing Mode [Flag] (_MOD) */
792 RsSetFlagBits16 (&Descriptor->I2cSerialBus.TypeSpecificFlags, InitializerOp, 0, 0);
793 RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE,
794 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.TypeSpecificFlags), 0);
797 case 4: /* ResSource [Optional Field - STRING] */
801 /* Copy string to the descriptor */
803 strcpy (ResourceSource,
804 InitializerOp->Asl.Value.String);
808 case 5: /* Resource Index */
810 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
812 Descriptor->I2cSerialBus.ResSourceIndex =
813 (UINT8) InitializerOp->Asl.Value.Integer;
817 case 6: /* Resource Usage (consumer/producer) */
819 RsSetFlagBits (&Descriptor->I2cSerialBus.Flags, InitializerOp, 1, 1);
822 case 7: /* Resource Tag (Descriptor Name) */
824 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
827 case 8: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
829 RsGetVendorData (InitializerOp, VendorData,
830 CurrentByteOffset + sizeof (AML_RESOURCE_I2C_SERIALBUS));
833 default: /* Ignore any extra nodes */
838 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
841 MpSaveSerialInfo (Info->MappingOp, Descriptor, ResourceSource);
846 /*******************************************************************************
848 * FUNCTION: RsDoSpiSerialBusDescriptor
850 * PARAMETERS: Info - Parse Op and resource template offset
852 * RETURN: Completed resource node
854 * DESCRIPTION: Construct a long "SPI Serial Bus" descriptor
856 ******************************************************************************/
859 RsDoSpiSerialBusDescriptor (
860 ASL_RESOURCE_INFO *Info)
862 AML_RESOURCE *Descriptor;
863 ACPI_PARSE_OBJECT *InitializerOp;
864 ASL_RESOURCE_NODE *Rnode;
865 char *ResourceSource = NULL;
866 UINT8 *VendorData = NULL;
867 UINT16 ResSourceLength;
869 UINT16 DescriptorSize;
870 UINT32 CurrentByteOffset;
874 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
875 CurrentByteOffset = Info->CurrentByteOffset;
878 * Calculate lengths for fields that have variable length:
879 * 1) Resource Source string
880 * 2) Vendor Data buffer
882 ResSourceLength = RsGetStringDataLength (InitializerOp);
883 VendorLength = RsGetBufferDataLength (InitializerOp);
885 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_SPI_SERIALBUS) +
886 ResSourceLength + VendorLength;
888 /* Allocate the local resource node and initialize */
890 Rnode = RsAllocateResourceNode (DescriptorSize +
891 sizeof (AML_RESOURCE_LARGE_HEADER));
893 Descriptor = Rnode->Buffer;
894 Descriptor->SpiSerialBus.ResourceLength = DescriptorSize;
895 Descriptor->SpiSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
896 Descriptor->SpiSerialBus.RevisionId = AML_RESOURCE_SPI_REVISION;
897 Descriptor->SpiSerialBus.TypeRevisionId = AML_RESOURCE_SPI_TYPE_REVISION;
898 Descriptor->SpiSerialBus.Type = AML_RESOURCE_SPI_SERIALBUSTYPE;
899 Descriptor->SpiSerialBus.TypeDataLength = AML_RESOURCE_SPI_MIN_DATA_LEN + VendorLength;
901 /* Build pointers to optional areas */
903 VendorData = ACPI_ADD_PTR (UINT8, Descriptor,
904 sizeof (AML_RESOURCE_SPI_SERIALBUS));
905 ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
907 DbgPrint (ASL_DEBUG_OUTPUT,
908 "%16s - Actual: %.2X, Base: %.2X, ResLen: "
909 "%.2X, VendLen: %.2X, TypLen: %.2X\n",
910 "SpiSerialBus", Descriptor->SpiSerialBus.ResourceLength,
911 (UINT16) sizeof (AML_RESOURCE_SPI_SERIALBUS), ResSourceLength,
912 VendorLength, Descriptor->SpiSerialBus.TypeDataLength);
914 /* Process all child initialization nodes */
916 for (i = 0; InitializerOp; i++)
920 case 0: /* Device Selection [WORD] (_ADR) */
922 Descriptor->SpiSerialBus.DeviceSelection = (UINT16) InitializerOp->Asl.Value.Integer;
923 RsCreateWordField (InitializerOp, ACPI_RESTAG_ADDRESS,
924 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.DeviceSelection));
927 case 1: /* Device Polarity [Flag] (_DPL) */
929 RsSetFlagBits16 (&Descriptor->SpiSerialBus.TypeSpecificFlags, InitializerOp, 1, 0);
930 RsCreateBitField (InitializerOp, ACPI_RESTAG_DEVICEPOLARITY,
931 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.TypeSpecificFlags), 1);
934 case 2: /* Wire Mode [Flag] (_MOD) */
936 RsSetFlagBits16 (&Descriptor->SpiSerialBus.TypeSpecificFlags, InitializerOp, 0, 0);
937 RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE,
938 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.TypeSpecificFlags), 0);
941 case 3: /* Device Bit Length [BYTE] (_LEN) */
943 Descriptor->SpiSerialBus.DataBitLength = (UINT8) InitializerOp->Asl.Value.Integer;
944 RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
945 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.DataBitLength));
948 case 4: /* Slave Mode [Flag] (_SLV) */
950 RsSetFlagBits (&Descriptor->SpiSerialBus.Flags, InitializerOp, 0, 0);
951 RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE,
952 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.Flags), 0);
955 case 5: /* Connection Speed [DWORD] (_SPE) */
957 Descriptor->SpiSerialBus.ConnectionSpeed = (UINT32) InitializerOp->Asl.Value.Integer;
958 RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
959 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ConnectionSpeed));
962 case 6: /* Clock Polarity [BYTE] (_POL) */
964 Descriptor->SpiSerialBus.ClockPolarity = (UINT8) InitializerOp->Asl.Value.Integer;
965 RsCreateByteField (InitializerOp, ACPI_RESTAG_POLARITY,
966 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ClockPolarity));
969 case 7: /* Clock Phase [BYTE] (_PHA) */
971 Descriptor->SpiSerialBus.ClockPhase = (UINT8) InitializerOp->Asl.Value.Integer;
972 RsCreateByteField (InitializerOp, ACPI_RESTAG_PHASE,
973 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ClockPhase));
976 case 8: /* ResSource [Optional Field - STRING] */
980 /* Copy string to the descriptor */
982 strcpy (ResourceSource,
983 InitializerOp->Asl.Value.String);
987 case 9: /* Resource Index */
989 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
991 Descriptor->SpiSerialBus.ResSourceIndex =
992 (UINT8) InitializerOp->Asl.Value.Integer;
996 case 10: /* Resource Usage (consumer/producer) */
998 RsSetFlagBits (&Descriptor->SpiSerialBus.Flags, InitializerOp, 1, 1);
1001 case 11: /* Resource Tag (Descriptor Name) */
1003 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
1006 case 12: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
1008 RsGetVendorData (InitializerOp, VendorData,
1009 CurrentByteOffset + sizeof (AML_RESOURCE_SPI_SERIALBUS));
1012 default: /* Ignore any extra nodes */
1017 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
1020 MpSaveSerialInfo (Info->MappingOp, Descriptor, ResourceSource);
1025 /*******************************************************************************
1027 * FUNCTION: RsDoUartSerialBusDescriptor
1029 * PARAMETERS: Info - Parse Op and resource template offset
1031 * RETURN: Completed resource node
1033 * DESCRIPTION: Construct a long "UART Serial Bus" descriptor
1035 ******************************************************************************/
1038 RsDoUartSerialBusDescriptor (
1039 ASL_RESOURCE_INFO *Info)
1041 AML_RESOURCE *Descriptor;
1042 ACPI_PARSE_OBJECT *InitializerOp;
1043 ASL_RESOURCE_NODE *Rnode;
1044 char *ResourceSource = NULL;
1045 UINT8 *VendorData = NULL;
1046 UINT16 ResSourceLength;
1047 UINT16 VendorLength;
1048 UINT16 DescriptorSize;
1049 UINT32 CurrentByteOffset;
1053 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
1054 CurrentByteOffset = Info->CurrentByteOffset;
1057 * Calculate lengths for fields that have variable length:
1058 * 1) Resource Source string
1059 * 2) Vendor Data buffer
1061 ResSourceLength = RsGetStringDataLength (InitializerOp);
1062 VendorLength = RsGetBufferDataLength (InitializerOp);
1064 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_UART_SERIALBUS) +
1065 ResSourceLength + VendorLength;
1067 /* Allocate the local resource node and initialize */
1069 Rnode = RsAllocateResourceNode (DescriptorSize +
1070 sizeof (AML_RESOURCE_LARGE_HEADER));
1072 Descriptor = Rnode->Buffer;
1073 Descriptor->UartSerialBus.ResourceLength = DescriptorSize;
1074 Descriptor->UartSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
1075 Descriptor->UartSerialBus.RevisionId = AML_RESOURCE_UART_REVISION;
1076 Descriptor->UartSerialBus.TypeRevisionId = AML_RESOURCE_UART_TYPE_REVISION;
1077 Descriptor->UartSerialBus.Type = AML_RESOURCE_UART_SERIALBUSTYPE;
1078 Descriptor->UartSerialBus.TypeDataLength = AML_RESOURCE_UART_MIN_DATA_LEN + VendorLength;
1080 /* Build pointers to optional areas */
1082 VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_UART_SERIALBUS));
1083 ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
1085 DbgPrint (ASL_DEBUG_OUTPUT,
1086 "%16s - Actual: %.2X, Base: %.2X, ResLen: "
1087 "%.2X, VendLen: %.2X, TypLen: %.2X\n",
1088 "UartSerialBus", Descriptor->UartSerialBus.ResourceLength,
1089 (UINT16) sizeof (AML_RESOURCE_UART_SERIALBUS), ResSourceLength,
1090 VendorLength, Descriptor->UartSerialBus.TypeDataLength);
1092 /* Process all child initialization nodes */
1094 for (i = 0; InitializerOp; i++)
1098 case 0: /* Connection Speed (Baud Rate) [DWORD] (_SPE) */
1100 Descriptor->UartSerialBus.DefaultBaudRate = (UINT32) InitializerOp->Asl.Value.Integer;
1101 RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
1102 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.DefaultBaudRate));
1105 case 1: /* Bits Per Byte [Flags] (_LEN) */
1107 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 4, 3);
1108 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_LENGTH,
1109 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 4, 3);
1112 case 2: /* Stop Bits [Flags] (_STB) */
1114 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 2, 1);
1115 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_STOPBITS,
1116 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 2, 2);
1119 case 3: /* Lines In Use [BYTE] (_LIN) */
1121 Descriptor->UartSerialBus.LinesEnabled = (UINT8) InitializerOp->Asl.Value.Integer;
1122 RsCreateByteField (InitializerOp, ACPI_RESTAG_LINE,
1123 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.LinesEnabled));
1126 case 4: /* Endianness [Flag] (_END) */
1128 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 7, 0);
1129 RsCreateBitField (InitializerOp, ACPI_RESTAG_ENDIANNESS,
1130 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 7);
1133 case 5: /* Parity [BYTE] (_PAR) */
1135 Descriptor->UartSerialBus.Parity = (UINT8) InitializerOp->Asl.Value.Integer;
1136 RsCreateByteField (InitializerOp, ACPI_RESTAG_PARITY,
1137 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.Parity));
1140 case 6: /* Flow Control [Flags] (_FLC) */
1142 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 0, 0);
1143 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_FLOWCONTROL,
1144 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 0, 2);
1147 case 7: /* Rx Buffer Size [WORD] (_RXL) */
1149 Descriptor->UartSerialBus.RxFifoSize = (UINT16) InitializerOp->Asl.Value.Integer;
1150 RsCreateWordField (InitializerOp, ACPI_RESTAG_LENGTH_RX,
1151 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.RxFifoSize));
1154 case 8: /* Tx Buffer Size [WORD] (_TXL) */
1156 Descriptor->UartSerialBus.TxFifoSize = (UINT16) InitializerOp->Asl.Value.Integer;
1157 RsCreateWordField (InitializerOp, ACPI_RESTAG_LENGTH_TX,
1158 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TxFifoSize));
1161 case 9: /* ResSource [Optional Field - STRING] */
1163 if (ResSourceLength)
1165 /* Copy string to the descriptor */
1167 strcpy (ResourceSource,
1168 InitializerOp->Asl.Value.String);
1172 case 10: /* Resource Index */
1174 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
1176 Descriptor->UartSerialBus.ResSourceIndex =
1177 (UINT8) InitializerOp->Asl.Value.Integer;
1181 case 11: /* Resource Usage (consumer/producer) */
1183 RsSetFlagBits (&Descriptor->UartSerialBus.Flags, InitializerOp, 1, 1);
1186 * Slave Mode [Flag] (_SLV)
1188 * Note: There is no SlaveMode argument to the UartSerialBus macro, but
1189 * we add this name anyway to allow the flag to be set by ASL in the
1190 * rare case where there is a slave mode associated with the UART.
1192 RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE,
1193 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.Flags), 0);
1196 case 12: /* Resource Tag (Descriptor Name) */
1198 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
1201 case 13: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
1203 RsGetVendorData (InitializerOp, VendorData,
1204 CurrentByteOffset + sizeof (AML_RESOURCE_UART_SERIALBUS));
1207 default: /* Ignore any extra nodes */
1212 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
1215 MpSaveSerialInfo (Info->MappingOp, Descriptor, ResourceSource);