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
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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: Op - Parent resource descriptor parse node
271 * CurrentByteOffset - Offset into the resource template AML
272 * buffer (to track references to the desc)
274 * RETURN: Completed resource node
276 * DESCRIPTION: Construct a long "GpioInt" descriptor
278 ******************************************************************************/
281 RsDoGpioIntDescriptor (
282 ACPI_PARSE_OBJECT *Op,
283 UINT32 CurrentByteOffset)
285 AML_RESOURCE *Descriptor;
286 ACPI_PARSE_OBJECT *InitializerOp;
287 ASL_RESOURCE_NODE *Rnode;
288 char *ResourceSource = NULL;
289 UINT8 *VendorData = NULL;
290 UINT16 *InterruptList = NULL;
291 UINT16 ResSourceLength;
293 UINT16 InterruptLength;
294 UINT16 DescriptorSize;
298 InitializerOp = Op->Asl.Child;
301 * Calculate lengths for fields that have variable length:
302 * 1) Resource Source string
303 * 2) Vendor Data buffer
304 * 3) PIN (interrupt) list
306 ResSourceLength = RsGetStringDataLength (InitializerOp);
307 VendorLength = RsGetBufferDataLength (InitializerOp);
308 InterruptLength = RsGetInterruptDataLength (InitializerOp);
310 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_GPIO) +
311 ResSourceLength + VendorLength + InterruptLength;
313 /* Allocate the local resource node and initialize */
315 Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));
317 Descriptor = Rnode->Buffer;
318 Descriptor->Gpio.ResourceLength = DescriptorSize;
319 Descriptor->Gpio.DescriptorType = ACPI_RESOURCE_NAME_GPIO;
320 Descriptor->Gpio.RevisionId = AML_RESOURCE_GPIO_REVISION;
321 Descriptor->Gpio.ConnectionType = AML_RESOURCE_GPIO_TYPE_INT;
323 /* Build pointers to optional areas */
325 InterruptList = ACPI_ADD_PTR (UINT16, Descriptor, sizeof (AML_RESOURCE_GPIO));
326 ResourceSource = ACPI_ADD_PTR (char, InterruptList, InterruptLength);
327 VendorData = ACPI_ADD_PTR (UINT8, ResourceSource, ResSourceLength);
329 /* Setup offsets within the descriptor */
331 Descriptor->Gpio.PinTableOffset = (UINT16)
332 ACPI_PTR_DIFF (InterruptList, Descriptor);
334 Descriptor->Gpio.ResSourceOffset = (UINT16)
335 ACPI_PTR_DIFF (ResourceSource, Descriptor);
337 DbgPrint (ASL_DEBUG_OUTPUT,
338 "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, IntLen: %.2X\n",
339 "GpioInt", Descriptor->Gpio.ResourceLength, (UINT16) sizeof (AML_RESOURCE_GPIO),
340 ResSourceLength, VendorLength, InterruptLength);
342 /* Process all child initialization nodes */
344 for (i = 0; InitializerOp; i++)
348 case 0: /* Interrupt Mode - edge/level [Flag] (_MOD) */
350 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 0, 0);
351 RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE,
352 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 0);
355 case 1: /* Interrupt Polarity - Active high/low [Flags] (_POL) */
357 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 1, 0);
358 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_POLARITY,
359 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 1, 2);
362 case 2: /* Share Type - Default: exclusive (0) [Flags] (_SHR) */
364 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 3, 0);
365 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
366 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 3, 2);
369 case 3: /* Pin Config [BYTE] (_PPI) */
371 Descriptor->Gpio.PinConfig = (UINT8) InitializerOp->Asl.Value.Integer;
372 RsCreateByteField (InitializerOp, ACPI_RESTAG_PINCONFIG,
373 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.PinConfig));
376 case 4: /* Debounce Timeout [WORD] (_DBT) */
378 Descriptor->Gpio.DebounceTimeout = (UINT16) InitializerOp->Asl.Value.Integer;
379 RsCreateWordField (InitializerOp, ACPI_RESTAG_DEBOUNCETIME,
380 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DebounceTimeout));
383 case 5: /* ResSource [Optional Field - STRING] */
387 /* Copy string to the descriptor */
389 strcpy (ResourceSource,
390 InitializerOp->Asl.Value.String);
394 case 6: /* Resource Index */
396 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
398 Descriptor->Gpio.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
402 case 7: /* Resource Usage (consumer/producer) */
404 RsSetFlagBits16 (&Descriptor->Gpio.Flags, InitializerOp, 0, 1);
407 case 8: /* Resource Tag (Descriptor Name) */
409 UtAttachNamepathToOwner (Op, InitializerOp);
412 case 9: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
415 * Always set the VendorOffset even if there is no Vendor Data.
416 * This field is required in order to calculate the length
417 * of the ResourceSource at runtime.
419 Descriptor->Gpio.VendorOffset = (UINT16)
420 ACPI_PTR_DIFF (VendorData, Descriptor);
422 if (RsGetVendorData (InitializerOp, VendorData,
423 (CurrentByteOffset + Descriptor->Gpio.VendorOffset)))
425 Descriptor->Gpio.VendorLength = VendorLength;
431 * PINs come through here, repeatedly. Each PIN must be a DWORD.
432 * NOTE: there is no "length" field for this, so from ACPI spec:
433 * The number of pins in the table can be calculated from:
434 * PinCount = (Resource Source Name Offset - Pin Table Offset) / 2
435 * (implies resource source must immediately follow the pin list.)
438 *InterruptList = (UINT16) InitializerOp->Asl.Value.Integer;
441 /* Case 10: First interrupt number in list */
445 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
447 /* Must be at least one interrupt */
449 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
450 InitializerOp, NULL);
453 /* Check now for duplicates in list */
455 RsCheckListForDuplicates (InitializerOp);
457 /* Create a named field at the start of the list */
459 RsCreateDwordField (InitializerOp, ACPI_RESTAG_PIN,
460 CurrentByteOffset + Descriptor->Gpio.PinTableOffset);
465 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
472 /*******************************************************************************
474 * FUNCTION: RsDoGpioIoDescriptor
476 * PARAMETERS: Op - Parent resource descriptor parse node
477 * CurrentByteOffset - Offset into the resource template AML
478 * buffer (to track references to the desc)
480 * RETURN: Completed resource node
482 * DESCRIPTION: Construct a long "GpioIo" descriptor
484 ******************************************************************************/
487 RsDoGpioIoDescriptor (
488 ACPI_PARSE_OBJECT *Op,
489 UINT32 CurrentByteOffset)
491 AML_RESOURCE *Descriptor;
492 ACPI_PARSE_OBJECT *InitializerOp;
493 ASL_RESOURCE_NODE *Rnode;
494 char *ResourceSource = NULL;
495 UINT8 *VendorData = NULL;
496 UINT16 *InterruptList = NULL;
497 UINT16 ResSourceLength;
499 UINT16 InterruptLength;
500 UINT16 DescriptorSize;
504 InitializerOp = Op->Asl.Child;
507 * Calculate lengths for fields that have variable length:
508 * 1) Resource Source string
509 * 2) Vendor Data buffer
510 * 3) PIN (interrupt) list
512 ResSourceLength = RsGetStringDataLength (InitializerOp);
513 VendorLength = RsGetBufferDataLength (InitializerOp);
514 InterruptLength = RsGetInterruptDataLength (InitializerOp);
516 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_GPIO) +
517 ResSourceLength + VendorLength + InterruptLength;
519 /* Allocate the local resource node and initialize */
521 Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));
523 Descriptor = Rnode->Buffer;
524 Descriptor->Gpio.ResourceLength = DescriptorSize;
525 Descriptor->Gpio.DescriptorType = ACPI_RESOURCE_NAME_GPIO;
526 Descriptor->Gpio.RevisionId = AML_RESOURCE_GPIO_REVISION;
527 Descriptor->Gpio.ConnectionType = AML_RESOURCE_GPIO_TYPE_IO;
529 /* Build pointers to optional areas */
531 InterruptList = ACPI_ADD_PTR (UINT16, Descriptor, sizeof (AML_RESOURCE_GPIO));
532 ResourceSource = ACPI_ADD_PTR (char, InterruptList, InterruptLength);
533 VendorData = ACPI_ADD_PTR (UINT8, ResourceSource, ResSourceLength);
535 /* Setup offsets within the descriptor */
537 Descriptor->Gpio.PinTableOffset = (UINT16)
538 ACPI_PTR_DIFF (InterruptList, Descriptor);
540 Descriptor->Gpio.ResSourceOffset = (UINT16)
541 ACPI_PTR_DIFF (ResourceSource, Descriptor);
543 DbgPrint (ASL_DEBUG_OUTPUT,
544 "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, IntLen: %.2X\n",
545 "GpioIo", Descriptor->Gpio.ResourceLength, (UINT16) sizeof (AML_RESOURCE_GPIO),
546 ResSourceLength, VendorLength, InterruptLength);
548 /* Process all child initialization nodes */
550 for (i = 0; InitializerOp; i++)
554 case 0: /* Share Type [Flags] (_SHR) */
556 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 3, 0);
557 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
558 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 3);
561 case 1: /* Pin Config [BYTE] (_PPI) */
563 Descriptor->Gpio.PinConfig = (UINT8) InitializerOp->Asl.Value.Integer;
564 RsCreateByteField (InitializerOp, ACPI_RESTAG_PINCONFIG,
565 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.PinConfig));
568 case 2: /* Debounce Timeout [WORD] (_DBT) */
570 Descriptor->Gpio.DebounceTimeout = (UINT16) InitializerOp->Asl.Value.Integer;
571 RsCreateWordField (InitializerOp, ACPI_RESTAG_DEBOUNCETIME,
572 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DebounceTimeout));
575 case 3: /* Drive Strength [WORD] (_DRS) */
577 Descriptor->Gpio.DriveStrength = (UINT16) InitializerOp->Asl.Value.Integer;
578 RsCreateWordField (InitializerOp, ACPI_RESTAG_DRIVESTRENGTH,
579 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DriveStrength));
582 case 4: /* I/O Restriction [Flag] (_IOR) */
584 RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 0, 0);
585 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_IORESTRICTION,
586 CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 0, 2);
589 case 5: /* ResSource [Optional Field - STRING] */
593 /* Copy string to the descriptor */
595 strcpy (ResourceSource,
596 InitializerOp->Asl.Value.String);
600 case 6: /* Resource Index */
602 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
604 Descriptor->Gpio.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
608 case 7: /* Resource Usage (consumer/producer) */
610 RsSetFlagBits16 (&Descriptor->Gpio.Flags, InitializerOp, 0, 1);
613 case 8: /* Resource Tag (Descriptor Name) */
615 UtAttachNamepathToOwner (Op, InitializerOp);
618 case 9: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
620 * Always set the VendorOffset even if there is no Vendor Data.
621 * This field is required in order to calculate the length
622 * of the ResourceSource at runtime.
624 Descriptor->Gpio.VendorOffset = (UINT16)
625 ACPI_PTR_DIFF (VendorData, Descriptor);
627 if (RsGetVendorData (InitializerOp, VendorData,
628 (CurrentByteOffset + Descriptor->Gpio.VendorOffset)))
630 Descriptor->Gpio.VendorLength = VendorLength;
636 * PINs come through here, repeatedly. Each PIN must be a DWORD.
637 * NOTE: there is no "length" field for this, so from ACPI spec:
638 * The number of pins in the table can be calculated from:
639 * PinCount = (Resource Source Name Offset - Pin Table Offset) / 2
640 * (implies resource source must immediately follow the pin list.)
643 *InterruptList = (UINT16) InitializerOp->Asl.Value.Integer;
646 /* Case 10: First interrupt number in list */
650 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
652 /* Must be at least one interrupt */
654 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
655 InitializerOp, NULL);
658 /* Check now for duplicates in list */
660 RsCheckListForDuplicates (InitializerOp);
662 /* Create a named field at the start of the list */
664 RsCreateDwordField (InitializerOp, ACPI_RESTAG_PIN,
665 CurrentByteOffset + Descriptor->Gpio.PinTableOffset);
670 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
677 /*******************************************************************************
679 * FUNCTION: RsDoI2cSerialBusDescriptor
681 * PARAMETERS: Op - Parent resource descriptor parse node
682 * CurrentByteOffset - Offset into the resource template AML
683 * buffer (to track references to the desc)
685 * RETURN: Completed resource node
687 * DESCRIPTION: Construct a long "I2cSerialBus" descriptor
689 ******************************************************************************/
692 RsDoI2cSerialBusDescriptor (
693 ACPI_PARSE_OBJECT *Op,
694 UINT32 CurrentByteOffset)
696 AML_RESOURCE *Descriptor;
697 ACPI_PARSE_OBJECT *InitializerOp;
698 ASL_RESOURCE_NODE *Rnode;
699 char *ResourceSource = NULL;
700 UINT8 *VendorData = NULL;
701 UINT16 ResSourceLength;
703 UINT16 DescriptorSize;
707 InitializerOp = Op->Asl.Child;
710 * Calculate lengths for fields that have variable length:
711 * 1) Resource Source string
712 * 2) Vendor Data buffer
714 ResSourceLength = RsGetStringDataLength (InitializerOp);
715 VendorLength = RsGetBufferDataLength (InitializerOp);
717 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_I2C_SERIALBUS) +
718 ResSourceLength + VendorLength;
720 /* Allocate the local resource node and initialize */
722 Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));
724 Descriptor = Rnode->Buffer;
725 Descriptor->I2cSerialBus.ResourceLength = DescriptorSize;
726 Descriptor->I2cSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
727 Descriptor->I2cSerialBus.RevisionId = AML_RESOURCE_I2C_REVISION;
728 Descriptor->I2cSerialBus.TypeRevisionId = AML_RESOURCE_I2C_TYPE_REVISION;
729 Descriptor->I2cSerialBus.Type = AML_RESOURCE_I2C_SERIALBUSTYPE;
730 Descriptor->I2cSerialBus.TypeDataLength = AML_RESOURCE_I2C_MIN_DATA_LEN + VendorLength;
732 /* Build pointers to optional areas */
734 VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_I2C_SERIALBUS));
735 ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
737 DbgPrint (ASL_DEBUG_OUTPUT,
738 "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n",
739 "I2cSerialBus", Descriptor->I2cSerialBus.ResourceLength,
740 (UINT16) sizeof (AML_RESOURCE_I2C_SERIALBUS), ResSourceLength,
741 VendorLength, Descriptor->I2cSerialBus.TypeDataLength);
743 /* Process all child initialization nodes */
745 for (i = 0; InitializerOp; i++)
749 case 0: /* Slave Address [WORD] (_ADR) */
751 Descriptor->I2cSerialBus.SlaveAddress = (UINT16) InitializerOp->Asl.Value.Integer;
752 RsCreateWordField (InitializerOp, ACPI_RESTAG_ADDRESS,
753 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.SlaveAddress));
756 case 1: /* Slave Mode [Flag] (_SLV) */
758 RsSetFlagBits (&Descriptor->I2cSerialBus.Flags, InitializerOp, 0, 0);
759 RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE,
760 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.Flags), 0);
763 case 2: /* Connection Speed [DWORD] (_SPE) */
765 Descriptor->I2cSerialBus.ConnectionSpeed = (UINT32) InitializerOp->Asl.Value.Integer;
766 RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
767 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.ConnectionSpeed));
770 case 3: /* Addressing Mode [Flag] (_MOD) */
772 RsSetFlagBits16 (&Descriptor->I2cSerialBus.TypeSpecificFlags, InitializerOp, 0, 0);
773 RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE,
774 CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.TypeSpecificFlags), 0);
777 case 4: /* ResSource [Optional Field - STRING] */
781 /* Copy string to the descriptor */
783 strcpy (ResourceSource,
784 InitializerOp->Asl.Value.String);
788 case 5: /* Resource Index */
790 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
792 Descriptor->I2cSerialBus.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
796 case 6: /* Resource Usage (consumer/producer) */
798 RsSetFlagBits (&Descriptor->I2cSerialBus.Flags, InitializerOp, 1, 1);
801 case 7: /* Resource Tag (Descriptor Name) */
803 UtAttachNamepathToOwner (Op, InitializerOp);
806 case 8: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
808 RsGetVendorData (InitializerOp, VendorData,
809 CurrentByteOffset + sizeof (AML_RESOURCE_I2C_SERIALBUS));
812 default: /* Ignore any extra nodes */
817 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
824 /*******************************************************************************
826 * FUNCTION: RsDoSpiSerialBusDescriptor
828 * PARAMETERS: Op - Parent resource descriptor parse node
829 * CurrentByteOffset - Offset into the resource template AML
830 * buffer (to track references to the desc)
832 * RETURN: Completed resource node
834 * DESCRIPTION: Construct a long "SPI Serial Bus" descriptor
836 ******************************************************************************/
839 RsDoSpiSerialBusDescriptor (
840 ACPI_PARSE_OBJECT *Op,
841 UINT32 CurrentByteOffset)
843 AML_RESOURCE *Descriptor;
844 ACPI_PARSE_OBJECT *InitializerOp;
845 ASL_RESOURCE_NODE *Rnode;
846 char *ResourceSource = NULL;
847 UINT8 *VendorData = NULL;
848 UINT16 ResSourceLength;
850 UINT16 DescriptorSize;
854 InitializerOp = Op->Asl.Child;
857 * Calculate lengths for fields that have variable length:
858 * 1) Resource Source string
859 * 2) Vendor Data buffer
861 ResSourceLength = RsGetStringDataLength (InitializerOp);
862 VendorLength = RsGetBufferDataLength (InitializerOp);
864 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_SPI_SERIALBUS) +
865 ResSourceLength + VendorLength;
867 /* Allocate the local resource node and initialize */
869 Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));
871 Descriptor = Rnode->Buffer;
872 Descriptor->SpiSerialBus.ResourceLength = DescriptorSize;
873 Descriptor->SpiSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
874 Descriptor->SpiSerialBus.RevisionId = AML_RESOURCE_SPI_REVISION;
875 Descriptor->SpiSerialBus.TypeRevisionId = AML_RESOURCE_SPI_TYPE_REVISION;
876 Descriptor->SpiSerialBus.Type = AML_RESOURCE_SPI_SERIALBUSTYPE;
877 Descriptor->SpiSerialBus.TypeDataLength = AML_RESOURCE_SPI_MIN_DATA_LEN + VendorLength;
879 /* Build pointers to optional areas */
881 VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_SPI_SERIALBUS));
882 ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
884 DbgPrint (ASL_DEBUG_OUTPUT,
885 "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n",
886 "SpiSerialBus", Descriptor->SpiSerialBus.ResourceLength,
887 (UINT16) sizeof (AML_RESOURCE_SPI_SERIALBUS), ResSourceLength,
888 VendorLength, Descriptor->SpiSerialBus.TypeDataLength);
890 /* Process all child initialization nodes */
892 for (i = 0; InitializerOp; i++)
896 case 0: /* Device Selection [WORD] (_ADR) */
898 Descriptor->SpiSerialBus.DeviceSelection = (UINT16) InitializerOp->Asl.Value.Integer;
899 RsCreateWordField (InitializerOp, ACPI_RESTAG_ADDRESS,
900 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.DeviceSelection));
903 case 1: /* Device Polarity [Flag] (_DPL) */
905 RsSetFlagBits16 (&Descriptor->SpiSerialBus.TypeSpecificFlags, InitializerOp, 1, 0);
906 RsCreateBitField (InitializerOp, ACPI_RESTAG_DEVICEPOLARITY,
907 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.TypeSpecificFlags), 1);
910 case 2: /* Wire Mode [Flag] (_MOD) */
912 RsSetFlagBits16 (&Descriptor->SpiSerialBus.TypeSpecificFlags, InitializerOp, 0, 0);
913 RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE,
914 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.TypeSpecificFlags), 0);
917 case 3: /* Device Bit Length [BYTE] (_LEN) */
919 Descriptor->SpiSerialBus.DataBitLength = (UINT8) InitializerOp->Asl.Value.Integer;
920 RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
921 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.DataBitLength));
924 case 4: /* Slave Mode [Flag] (_SLV) */
926 RsSetFlagBits (&Descriptor->SpiSerialBus.Flags, InitializerOp, 0, 0);
927 RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE,
928 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.Flags), 0);
931 case 5: /* Connection Speed [DWORD] (_SPE) */
933 Descriptor->SpiSerialBus.ConnectionSpeed = (UINT32) InitializerOp->Asl.Value.Integer;
934 RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
935 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ConnectionSpeed));
938 case 6: /* Clock Polarity [BYTE] (_POL) */
940 Descriptor->SpiSerialBus.ClockPolarity = (UINT8) InitializerOp->Asl.Value.Integer;
941 RsCreateByteField (InitializerOp, ACPI_RESTAG_POLARITY,
942 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ClockPolarity));
945 case 7: /* Clock Phase [BYTE] (_PHA) */
947 Descriptor->SpiSerialBus.ClockPhase = (UINT8) InitializerOp->Asl.Value.Integer;
948 RsCreateByteField (InitializerOp, ACPI_RESTAG_PHASE,
949 CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ClockPhase));
952 case 8: /* ResSource [Optional Field - STRING] */
956 /* Copy string to the descriptor */
958 strcpy (ResourceSource,
959 InitializerOp->Asl.Value.String);
963 case 9: /* Resource Index */
965 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
967 Descriptor->SpiSerialBus.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
971 case 10: /* Resource Usage (consumer/producer) */
973 RsSetFlagBits (&Descriptor->SpiSerialBus.Flags, InitializerOp, 1, 1);
976 case 11: /* Resource Tag (Descriptor Name) */
978 UtAttachNamepathToOwner (Op, InitializerOp);
981 case 12: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
983 RsGetVendorData (InitializerOp, VendorData,
984 CurrentByteOffset + sizeof (AML_RESOURCE_SPI_SERIALBUS));
987 default: /* Ignore any extra nodes */
992 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
999 /*******************************************************************************
1001 * FUNCTION: RsDoUartSerialBusDescriptor
1003 * PARAMETERS: Op - Parent resource descriptor parse node
1004 * CurrentByteOffset - Offset into the resource template AML
1005 * buffer (to track references to the desc)
1007 * RETURN: Completed resource node
1009 * DESCRIPTION: Construct a long "UART Serial Bus" descriptor
1011 ******************************************************************************/
1014 RsDoUartSerialBusDescriptor (
1015 ACPI_PARSE_OBJECT *Op,
1016 UINT32 CurrentByteOffset)
1018 AML_RESOURCE *Descriptor;
1019 ACPI_PARSE_OBJECT *InitializerOp;
1020 ASL_RESOURCE_NODE *Rnode;
1021 char *ResourceSource = NULL;
1022 UINT8 *VendorData = NULL;
1023 UINT16 ResSourceLength;
1024 UINT16 VendorLength;
1025 UINT16 DescriptorSize;
1029 InitializerOp = Op->Asl.Child;
1032 * Calculate lengths for fields that have variable length:
1033 * 1) Resource Source string
1034 * 2) Vendor Data buffer
1036 ResSourceLength = RsGetStringDataLength (InitializerOp);
1037 VendorLength = RsGetBufferDataLength (InitializerOp);
1039 DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_UART_SERIALBUS) +
1040 ResSourceLength + VendorLength;
1042 /* Allocate the local resource node and initialize */
1044 Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));
1046 Descriptor = Rnode->Buffer;
1047 Descriptor->UartSerialBus.ResourceLength = DescriptorSize;
1048 Descriptor->UartSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
1049 Descriptor->UartSerialBus.RevisionId = AML_RESOURCE_UART_REVISION;
1050 Descriptor->UartSerialBus.TypeRevisionId = AML_RESOURCE_UART_TYPE_REVISION;
1051 Descriptor->UartSerialBus.Type = AML_RESOURCE_UART_SERIALBUSTYPE;
1052 Descriptor->UartSerialBus.TypeDataLength = AML_RESOURCE_UART_MIN_DATA_LEN + VendorLength;
1054 /* Build pointers to optional areas */
1056 VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_UART_SERIALBUS));
1057 ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
1059 DbgPrint (ASL_DEBUG_OUTPUT,
1060 "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n",
1061 "UartSerialBus", Descriptor->UartSerialBus.ResourceLength,
1062 (UINT16) sizeof (AML_RESOURCE_UART_SERIALBUS), ResSourceLength,
1063 VendorLength, Descriptor->UartSerialBus.TypeDataLength);
1065 /* Process all child initialization nodes */
1067 for (i = 0; InitializerOp; i++)
1071 case 0: /* Connection Speed (Baud Rate) [DWORD] (_SPE) */
1073 Descriptor->UartSerialBus.DefaultBaudRate = (UINT32) InitializerOp->Asl.Value.Integer;
1074 RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
1075 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.DefaultBaudRate));
1078 case 1: /* Bits Per Byte [Flags] (_LEN) */
1080 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 4, 3);
1081 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_LENGTH,
1082 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 4, 3);
1085 case 2: /* Stop Bits [Flags] (_STB) */
1087 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 2, 1);
1088 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_STOPBITS,
1089 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 2, 2);
1092 case 3: /* Lines In Use [BYTE] (_LIN) */
1094 Descriptor->UartSerialBus.LinesEnabled = (UINT8) InitializerOp->Asl.Value.Integer;
1095 RsCreateByteField (InitializerOp, ACPI_RESTAG_LINE,
1096 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.LinesEnabled));
1099 case 4: /* Endianness [Flag] (_END) */
1101 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 7, 0);
1102 RsCreateBitField (InitializerOp, ACPI_RESTAG_ENDIANNESS,
1103 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 7);
1106 case 5: /* Parity [BYTE] (_PAR) */
1108 Descriptor->UartSerialBus.Parity = (UINT8) InitializerOp->Asl.Value.Integer;
1109 RsCreateByteField (InitializerOp, ACPI_RESTAG_PARITY,
1110 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.Parity));
1113 case 6: /* Flow Control [Flags] (_FLC) */
1115 RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 0, 0);
1116 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_FLOWCONTROL,
1117 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 0, 2);
1120 case 7: /* Rx Buffer Size [WORD] (_RXL) */
1122 Descriptor->UartSerialBus.RxFifoSize = (UINT16) InitializerOp->Asl.Value.Integer;
1123 RsCreateWordField (InitializerOp, ACPI_RESTAG_LENGTH_RX,
1124 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.RxFifoSize));
1127 case 8: /* Tx Buffer Size [WORD] (_TXL) */
1129 Descriptor->UartSerialBus.TxFifoSize = (UINT16) InitializerOp->Asl.Value.Integer;
1130 RsCreateWordField (InitializerOp, ACPI_RESTAG_LENGTH_TX,
1131 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TxFifoSize));
1134 case 9: /* ResSource [Optional Field - STRING] */
1136 if (ResSourceLength)
1138 /* Copy string to the descriptor */
1140 strcpy (ResourceSource,
1141 InitializerOp->Asl.Value.String);
1145 case 10: /* Resource Index */
1147 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
1149 Descriptor->UartSerialBus.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
1153 case 11: /* Resource Usage (consumer/producer) */
1155 RsSetFlagBits (&Descriptor->UartSerialBus.Flags, InitializerOp, 1, 1);
1158 * Slave Mode [Flag] (_SLV)
1160 * Note: There is no SlaveMode argument to the UartSerialBus macro, but
1161 * we add this name anyway to allow the flag to be set by ASL in the
1162 * rare case where there is a slave mode associated with the UART.
1164 RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE,
1165 CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.Flags), 0);
1168 case 12: /* Resource Tag (Descriptor Name) */
1170 UtAttachNamepathToOwner (Op, InitializerOp);
1173 case 13: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */
1175 RsGetVendorData (InitializerOp, VendorData,
1176 CurrentByteOffset + sizeof (AML_RESOURCE_UART_SERIALBUS));
1179 default: /* Ignore any extra nodes */
1184 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);