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Diffstat (limited to 'source/compiler/aslrestype2s.c')
| -rw-r--r-- | source/compiler/aslrestype2s.c | 1187 |
1 files changed, 1187 insertions, 0 deletions
diff --git a/source/compiler/aslrestype2s.c b/source/compiler/aslrestype2s.c new file mode 100644 index 000000000000..6109aa391709 --- /dev/null +++ b/source/compiler/aslrestype2s.c @@ -0,0 +1,1187 @@ +/****************************************************************************** + * + * Module Name: aslrestype2s - Serial Large resource descriptors + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + + +#include "aslcompiler.h" +#include "aslcompiler.y.h" +#include "amlcode.h" + +#define _COMPONENT ACPI_COMPILER + ACPI_MODULE_NAME ("aslrestype2s") + + +static UINT16 +RsGetBufferDataLength ( + ACPI_PARSE_OBJECT *InitializerOp); + +static UINT16 +RsGetInterruptDataLength ( + ACPI_PARSE_OBJECT *InitializerOp); + +static BOOLEAN +RsGetVendorData ( + ACPI_PARSE_OBJECT *InitializerOp, + UINT8 *VendorData, + ACPI_SIZE DescriptorOffset); + +/* + * This module contains descriptors for serial buses and GPIO: + * + * GpioInt + * GpioIo + * I2cSerialBus + * SpiSerialBus + * UartSerialBus + */ + + +/******************************************************************************* + * + * FUNCTION: RsGetBufferDataLength + * + * PARAMETERS: InitializerOp - Current parse op, start of the resource + * descriptor + * + * RETURN: Length of the data buffer + * + * DESCRIPTION: Get the length of a RawDataBuffer, used for vendor data. + * + ******************************************************************************/ + +static UINT16 +RsGetBufferDataLength ( + ACPI_PARSE_OBJECT *InitializerOp) +{ + UINT16 ExtraDataSize = 0; + ACPI_PARSE_OBJECT *DataList; + + + /* Find the byte-initializer list */ + + while (InitializerOp) + { + if (InitializerOp->Asl.ParseOpcode == PARSEOP_DATABUFFER) + { + /* First child is the optional length (ignore it here) */ + + DataList = InitializerOp->Asl.Child; + DataList = ASL_GET_PEER_NODE (DataList); + + /* Count the data items (each one is a byte of data) */ + + while (DataList) + { + ExtraDataSize++; + DataList = ASL_GET_PEER_NODE (DataList); + } + + return (ExtraDataSize); + } + + InitializerOp = ASL_GET_PEER_NODE (InitializerOp); + } + + return (ExtraDataSize); +} + + +/******************************************************************************* + * + * FUNCTION: RsGetInterruptDataLength + * + * PARAMETERS: InitializerOp - Current parse op, start of the resource + * descriptor + * + * RETURN: Length of the interrupt data list + * + * DESCRIPTION: Get the length of a list of interrupt DWORDs for the GPIO + * descriptors. + * + ******************************************************************************/ + +static UINT16 +RsGetInterruptDataLength ( + ACPI_PARSE_OBJECT *InitializerOp) +{ + UINT16 InterruptLength; + UINT32 i; + + + /* Count the interrupt numbers */ + + InterruptLength = 0; + for (i = 0; InitializerOp; i++) + { + InitializerOp = ASL_GET_PEER_NODE (InitializerOp); + + /* Interrupt list starts at offset 10 (Gpio descriptors) */ + + if (i >= 10) + { + InterruptLength += 2; + } + } + + return (InterruptLength); +} + + +/******************************************************************************* + * + * FUNCTION: RsGetVendorData + * + * PARAMETERS: InitializerOp - Current parse op, start of the resource + * descriptor. + * VendorData - Where the vendor data is returned + * DescriptorOffset - Where vendor data begins in descriptor + * + * RETURN: TRUE if valid vendor data was returned, FALSE otherwise. + * + * DESCRIPTION: Extract the vendor data and construct a vendor data buffer. + * + ******************************************************************************/ + +static BOOLEAN +RsGetVendorData ( + ACPI_PARSE_OBJECT *InitializerOp, + UINT8 *VendorData, + ACPI_SIZE DescriptorOffset) +{ + ACPI_PARSE_OBJECT *BufferOp; + UINT32 SpecifiedLength = ACPI_UINT32_MAX; + UINT16 ActualLength = 0; + + + /* Vendor Data field is always optional */ + + if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) + { + return (FALSE); + } + + BufferOp = InitializerOp->Asl.Child; + if (!BufferOp) + { + AslError (ASL_ERROR, ASL_MSG_SYNTAX, InitializerOp, ""); + return (FALSE); + } + + /* First child is the optional buffer length (WORD) */ + + if (BufferOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) + { + SpecifiedLength = (UINT16) BufferOp->Asl.Value.Integer; + } + + /* Insert field tag _VEN */ + + RsCreateByteField (InitializerOp, ACPI_RESTAG_VENDORDATA, + (UINT16) DescriptorOffset); + + /* Walk the list of buffer initializers (each is one byte) */ + + BufferOp = RsCompleteNodeAndGetNext (BufferOp); + if (BufferOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) + { + while (BufferOp) + { + *VendorData = (UINT8) BufferOp->Asl.Value.Integer; + VendorData++; + ActualLength++; + BufferOp = RsCompleteNodeAndGetNext (BufferOp); + } + } + + /* Length validation. Buffer cannot be of zero length */ + + if ((SpecifiedLength == 0) || + ((SpecifiedLength == ACPI_UINT32_MAX) && (ActualLength == 0))) + { + AslError (ASL_ERROR, ASL_MSG_BUFFER_LENGTH, InitializerOp, NULL); + return (FALSE); + } + + if (SpecifiedLength != ACPI_UINT32_MAX) + { + /* ActualLength > SpecifiedLength -> error */ + + if (ActualLength > SpecifiedLength) + { + AslError (ASL_ERROR, ASL_MSG_LIST_LENGTH_LONG, InitializerOp, NULL); + return (FALSE); + } + + /* ActualLength < SpecifiedLength -> remark */ + + else if (ActualLength < SpecifiedLength) + { + AslError (ASL_REMARK, ASL_MSG_LIST_LENGTH_SHORT, InitializerOp, NULL); + return (FALSE); + } + } + + return (TRUE); +} + + +/******************************************************************************* + * + * FUNCTION: RsDoGpioIntDescriptor + * + * PARAMETERS: Op - Parent resource descriptor parse node + * CurrentByteOffset - Offset into the resource template AML + * buffer (to track references to the desc) + * + * RETURN: Completed resource node + * + * DESCRIPTION: Construct a long "GpioInt" descriptor + * + ******************************************************************************/ + +ASL_RESOURCE_NODE * +RsDoGpioIntDescriptor ( + ACPI_PARSE_OBJECT *Op, + UINT32 CurrentByteOffset) +{ + AML_RESOURCE *Descriptor; + ACPI_PARSE_OBJECT *InitializerOp; + ASL_RESOURCE_NODE *Rnode; + char *ResourceSource = NULL; + UINT8 *VendorData = NULL; + UINT16 *InterruptList = NULL; + UINT16 ResSourceLength; + UINT16 VendorLength; + UINT16 InterruptLength; + UINT16 DescriptorSize; + UINT32 i; + + + InitializerOp = Op->Asl.Child; + + /* + * Calculate lengths for fields that have variable length: + * 1) Resource Source string + * 2) Vendor Data buffer + * 3) PIN (interrupt) list + */ + ResSourceLength = RsGetStringDataLength (InitializerOp); + VendorLength = RsGetBufferDataLength (InitializerOp); + InterruptLength = RsGetInterruptDataLength (InitializerOp); + + DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_GPIO) + + ResSourceLength + VendorLength + InterruptLength; + + /* Allocate the local resource node and initialize */ + + Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER)); + + Descriptor = Rnode->Buffer; + Descriptor->Gpio.ResourceLength = DescriptorSize; + Descriptor->Gpio.DescriptorType = ACPI_RESOURCE_NAME_GPIO; + Descriptor->Gpio.RevisionId = AML_RESOURCE_GPIO_REVISION; + Descriptor->Gpio.ConnectionType = AML_RESOURCE_GPIO_TYPE_INT; + + /* Build pointers to optional areas */ + + InterruptList = ACPI_ADD_PTR (UINT16, Descriptor, sizeof (AML_RESOURCE_GPIO)); + ResourceSource = ACPI_ADD_PTR (char, InterruptList, InterruptLength); + VendorData = ACPI_ADD_PTR (UINT8, ResourceSource, ResSourceLength); + + /* Setup offsets within the descriptor */ + + Descriptor->Gpio.PinTableOffset = (UINT16) + ACPI_PTR_DIFF (InterruptList, Descriptor); + + Descriptor->Gpio.ResSourceOffset = (UINT16) + ACPI_PTR_DIFF (ResourceSource, Descriptor); + + DbgPrint (ASL_DEBUG_OUTPUT, + "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, IntLen: %.2X\n", + "GpioInt", Descriptor->Gpio.ResourceLength, (UINT16) sizeof (AML_RESOURCE_GPIO), + ResSourceLength, VendorLength, InterruptLength); + + /* Process all child initialization nodes */ + + for (i = 0; InitializerOp; i++) + { + switch (i) + { + case 0: /* Interrupt Mode - edge/level [Flag] (_MOD) */ + + RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 0, 0); + RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE, + CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 0); + break; + + case 1: /* Interrupt Polarity - Active high/low [Flags] (_POL) */ + + RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 1, 0); + RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_POLARITY, + CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 1, 2); + break; + + case 2: /* Share Type - Default: exclusive (0) [Flags] (_SHR) */ + + RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 3, 0); + RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE, + CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 3, 2); + break; + + case 3: /* Pin Config [BYTE] (_PPI) */ + + Descriptor->Gpio.PinConfig = (UINT8) InitializerOp->Asl.Value.Integer; + RsCreateByteField (InitializerOp, ACPI_RESTAG_PINCONFIG, + CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.PinConfig)); + break; + + case 4: /* Debounce Timeout [WORD] (_DBT) */ + + Descriptor->Gpio.DebounceTimeout = (UINT16) InitializerOp->Asl.Value.Integer; + RsCreateWordField (InitializerOp, ACPI_RESTAG_DEBOUNCETIME, + CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DebounceTimeout)); + break; + + case 5: /* ResSource [Optional Field - STRING] */ + + if (ResSourceLength) + { + /* Copy string to the descriptor */ + + strcpy (ResourceSource, + InitializerOp->Asl.Value.String); + } + break; + + case 6: /* Resource Index */ + + if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) + { + Descriptor->Gpio.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer; + } + break; + + case 7: /* Resource Usage (consumer/producer) */ + + RsSetFlagBits16 (&Descriptor->Gpio.Flags, InitializerOp, 0, 1); + break; + + case 8: /* Resource Tag (Descriptor Name) */ + + UtAttachNamepathToOwner (Op, InitializerOp); + break; + + case 9: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */ + + /* + * Always set the VendorOffset even if there is no Vendor Data. + * This field is required in order to calculate the length + * of the ResourceSource at runtime. + */ + Descriptor->Gpio.VendorOffset = (UINT16) + ACPI_PTR_DIFF (VendorData, Descriptor); + + if (RsGetVendorData (InitializerOp, VendorData, + (CurrentByteOffset + Descriptor->Gpio.VendorOffset))) + { + Descriptor->Gpio.VendorLength = VendorLength; + } + break; + + default: + /* + * PINs come through here, repeatedly. Each PIN must be a DWORD. + * NOTE: there is no "length" field for this, so from ACPI spec: + * The number of pins in the table can be calculated from: + * PinCount = (Resource Source Name Offset - Pin Table Offset) / 2 + * (implies resource source must immediately follow the pin list.) + * Name: _PIN + */ + *InterruptList = (UINT16) InitializerOp->Asl.Value.Integer; + InterruptList++; + + /* Case 10: First interrupt number in list */ + + if (i == 10) + { + if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) + { + /* Must be at least one interrupt */ + + AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN, + InitializerOp, NULL); + } + + /* Check now for duplicates in list */ + + RsCheckListForDuplicates (InitializerOp); + + /* Create a named field at the start of the list */ + + RsCreateDwordField (InitializerOp, ACPI_RESTAG_PIN, + CurrentByteOffset + Descriptor->Gpio.PinTableOffset); + } + break; + } + + InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); + } + + return (Rnode); +} + + +/******************************************************************************* + * + * FUNCTION: RsDoGpioIoDescriptor + * + * PARAMETERS: Op - Parent resource descriptor parse node + * CurrentByteOffset - Offset into the resource template AML + * buffer (to track references to the desc) + * + * RETURN: Completed resource node + * + * DESCRIPTION: Construct a long "GpioIo" descriptor + * + ******************************************************************************/ + +ASL_RESOURCE_NODE * +RsDoGpioIoDescriptor ( + ACPI_PARSE_OBJECT *Op, + UINT32 CurrentByteOffset) +{ + AML_RESOURCE *Descriptor; + ACPI_PARSE_OBJECT *InitializerOp; + ASL_RESOURCE_NODE *Rnode; + char *ResourceSource = NULL; + UINT8 *VendorData = NULL; + UINT16 *InterruptList = NULL; + UINT16 ResSourceLength; + UINT16 VendorLength; + UINT16 InterruptLength; + UINT16 DescriptorSize; + UINT32 i; + + + InitializerOp = Op->Asl.Child; + + /* + * Calculate lengths for fields that have variable length: + * 1) Resource Source string + * 2) Vendor Data buffer + * 3) PIN (interrupt) list + */ + ResSourceLength = RsGetStringDataLength (InitializerOp); + VendorLength = RsGetBufferDataLength (InitializerOp); + InterruptLength = RsGetInterruptDataLength (InitializerOp); + + DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_GPIO) + + ResSourceLength + VendorLength + InterruptLength; + + /* Allocate the local resource node and initialize */ + + Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER)); + + Descriptor = Rnode->Buffer; + Descriptor->Gpio.ResourceLength = DescriptorSize; + Descriptor->Gpio.DescriptorType = ACPI_RESOURCE_NAME_GPIO; + Descriptor->Gpio.RevisionId = AML_RESOURCE_GPIO_REVISION; + Descriptor->Gpio.ConnectionType = AML_RESOURCE_GPIO_TYPE_IO; + + /* Build pointers to optional areas */ + + InterruptList = ACPI_ADD_PTR (UINT16, Descriptor, sizeof (AML_RESOURCE_GPIO)); + ResourceSource = ACPI_ADD_PTR (char, InterruptList, InterruptLength); + VendorData = ACPI_ADD_PTR (UINT8, ResourceSource, ResSourceLength); + + /* Setup offsets within the descriptor */ + + Descriptor->Gpio.PinTableOffset = (UINT16) + ACPI_PTR_DIFF (InterruptList, Descriptor); + + Descriptor->Gpio.ResSourceOffset = (UINT16) + ACPI_PTR_DIFF (ResourceSource, Descriptor); + + DbgPrint (ASL_DEBUG_OUTPUT, + "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, IntLen: %.2X\n", + "GpioIo", Descriptor->Gpio.ResourceLength, (UINT16) sizeof (AML_RESOURCE_GPIO), + ResSourceLength, VendorLength, InterruptLength); + + /* Process all child initialization nodes */ + + for (i = 0; InitializerOp; i++) + { + switch (i) + { + case 0: /* Share Type [Flags] (_SHR) */ + + RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 3, 0); + RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE, + CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 3); + break; + + case 1: /* Pin Config [BYTE] (_PPI) */ + + Descriptor->Gpio.PinConfig = (UINT8) InitializerOp->Asl.Value.Integer; + RsCreateByteField (InitializerOp, ACPI_RESTAG_PINCONFIG, + CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.PinConfig)); + break; + + case 2: /* Debounce Timeout [WORD] (_DBT) */ + + Descriptor->Gpio.DebounceTimeout = (UINT16) InitializerOp->Asl.Value.Integer; + RsCreateWordField (InitializerOp, ACPI_RESTAG_DEBOUNCETIME, + CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DebounceTimeout)); + break; + + case 3: /* Drive Strength [WORD] (_DRS) */ + + Descriptor->Gpio.DriveStrength = (UINT16) InitializerOp->Asl.Value.Integer; + RsCreateWordField (InitializerOp, ACPI_RESTAG_DRIVESTRENGTH, + CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DriveStrength)); + break; + + case 4: /* I/O Restriction [Flag] (_IOR) */ + + RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 0, 0); + RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_IORESTRICTION, + CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 0, 2); + break; + + case 5: /* ResSource [Optional Field - STRING] */ + + if (ResSourceLength) + { + /* Copy string to the descriptor */ + + strcpy (ResourceSource, + InitializerOp->Asl.Value.String); + } + break; + + case 6: /* Resource Index */ + + if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) + { + Descriptor->Gpio.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer; + } + break; + + case 7: /* Resource Usage (consumer/producer) */ + + RsSetFlagBits16 (&Descriptor->Gpio.Flags, InitializerOp, 0, 1); + break; + + case 8: /* Resource Tag (Descriptor Name) */ + + UtAttachNamepathToOwner (Op, InitializerOp); + break; + + case 9: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */ + + /* + * Always set the VendorOffset even if there is no Vendor Data. + * This field is required in order to calculate the length + * of the ResourceSource at runtime. + */ + Descriptor->Gpio.VendorOffset = (UINT16) + ACPI_PTR_DIFF (VendorData, Descriptor); + + if (RsGetVendorData (InitializerOp, VendorData, + (CurrentByteOffset + Descriptor->Gpio.VendorOffset))) + { + Descriptor->Gpio.VendorLength = VendorLength; + } + break; + + default: + /* + * PINs come through here, repeatedly. Each PIN must be a DWORD. + * NOTE: there is no "length" field for this, so from ACPI spec: + * The number of pins in the table can be calculated from: + * PinCount = (Resource Source Name Offset - Pin Table Offset) / 2 + * (implies resource source must immediately follow the pin list.) + * Name: _PIN + */ + *InterruptList = (UINT16) InitializerOp->Asl.Value.Integer; + InterruptList++; + + /* Case 10: First interrupt number in list */ + + if (i == 10) + { + if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) + { + /* Must be at least one interrupt */ + + AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN, + InitializerOp, NULL); + } + + /* Check now for duplicates in list */ + + RsCheckListForDuplicates (InitializerOp); + + /* Create a named field at the start of the list */ + + RsCreateDwordField (InitializerOp, ACPI_RESTAG_PIN, + CurrentByteOffset + Descriptor->Gpio.PinTableOffset); + } + break; + } + + InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); + } + + return (Rnode); +} + + +/******************************************************************************* + * + * FUNCTION: RsDoI2cSerialBusDescriptor + * + * PARAMETERS: Op - Parent resource descriptor parse node + * CurrentByteOffset - Offset into the resource template AML + * buffer (to track references to the desc) + * + * RETURN: Completed resource node + * + * DESCRIPTION: Construct a long "I2cSerialBus" descriptor + * + ******************************************************************************/ + +ASL_RESOURCE_NODE * +RsDoI2cSerialBusDescriptor ( + ACPI_PARSE_OBJECT *Op, + UINT32 CurrentByteOffset) +{ + AML_RESOURCE *Descriptor; + ACPI_PARSE_OBJECT *InitializerOp; + ASL_RESOURCE_NODE *Rnode; + char *ResourceSource = NULL; + UINT8 *VendorData = NULL; + UINT16 ResSourceLength; + UINT16 VendorLength; + UINT16 DescriptorSize; + UINT32 i; + + + InitializerOp = Op->Asl.Child; + + /* + * Calculate lengths for fields that have variable length: + * 1) Resource Source string + * 2) Vendor Data buffer + */ + ResSourceLength = RsGetStringDataLength (InitializerOp); + VendorLength = RsGetBufferDataLength (InitializerOp); + + DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_I2C_SERIALBUS) + + ResSourceLength + VendorLength; + + /* Allocate the local resource node and initialize */ + + Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER)); + + Descriptor = Rnode->Buffer; + Descriptor->I2cSerialBus.ResourceLength = DescriptorSize; + Descriptor->I2cSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS; + Descriptor->I2cSerialBus.RevisionId = AML_RESOURCE_I2C_REVISION; + Descriptor->I2cSerialBus.TypeRevisionId = AML_RESOURCE_I2C_TYPE_REVISION; + Descriptor->I2cSerialBus.Type = AML_RESOURCE_I2C_SERIALBUSTYPE; + Descriptor->I2cSerialBus.TypeDataLength = AML_RESOURCE_I2C_MIN_DATA_LEN + VendorLength; + + /* Build pointers to optional areas */ + + VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_I2C_SERIALBUS)); + ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength); + + DbgPrint (ASL_DEBUG_OUTPUT, + "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n", + "I2cSerialBus", Descriptor->I2cSerialBus.ResourceLength, + (UINT16) sizeof (AML_RESOURCE_I2C_SERIALBUS), ResSourceLength, + VendorLength, Descriptor->I2cSerialBus.TypeDataLength); + + /* Process all child initialization nodes */ + + for (i = 0; InitializerOp; i++) + { + switch (i) + { + case 0: /* Slave Address [WORD] (_ADR) */ + + Descriptor->I2cSerialBus.SlaveAddress = (UINT16) InitializerOp->Asl.Value.Integer; + RsCreateWordField (InitializerOp, ACPI_RESTAG_ADDRESS, + CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.SlaveAddress)); + break; + + case 1: /* Slave Mode [Flag] (_SLV) */ + + RsSetFlagBits (&Descriptor->I2cSerialBus.Flags, InitializerOp, 0, 0); + RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE, + CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.Flags), 0); + break; + + case 2: /* Connection Speed [DWORD] (_SPE) */ + + Descriptor->I2cSerialBus.ConnectionSpeed = (UINT32) InitializerOp->Asl.Value.Integer; + RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED, + CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.ConnectionSpeed)); + break; + + case 3: /* Addressing Mode [Flag] (_MOD) */ + + RsSetFlagBits16 (&Descriptor->I2cSerialBus.TypeSpecificFlags, InitializerOp, 0, 0); + RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE, + CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.TypeSpecificFlags), 0); + break; + + case 4: /* ResSource [Optional Field - STRING] */ + + if (ResSourceLength) + { + /* Copy string to the descriptor */ + + strcpy (ResourceSource, + InitializerOp->Asl.Value.String); + } + break; + + case 5: /* Resource Index */ + + if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) + { + Descriptor->I2cSerialBus.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer; + } + break; + + case 6: /* Resource Usage (consumer/producer) */ + + RsSetFlagBits (&Descriptor->I2cSerialBus.Flags, InitializerOp, 1, 1); + break; + + case 7: /* Resource Tag (Descriptor Name) */ + + UtAttachNamepathToOwner (Op, InitializerOp); + break; + + case 8: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */ + + RsGetVendorData (InitializerOp, VendorData, + CurrentByteOffset + sizeof (AML_RESOURCE_I2C_SERIALBUS)); + break; + + default: /* Ignore any extra nodes */ + break; + } + + InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); + } + + return (Rnode); +} + + +/******************************************************************************* + * + * FUNCTION: RsDoSpiSerialBusDescriptor + * + * PARAMETERS: Op - Parent resource descriptor parse node + * CurrentByteOffset - Offset into the resource template AML + * buffer (to track references to the desc) + * + * RETURN: Completed resource node + * + * DESCRIPTION: Construct a long "SPI Serial Bus" descriptor + * + ******************************************************************************/ + +ASL_RESOURCE_NODE * +RsDoSpiSerialBusDescriptor ( + ACPI_PARSE_OBJECT *Op, + UINT32 CurrentByteOffset) +{ + AML_RESOURCE *Descriptor; + ACPI_PARSE_OBJECT *InitializerOp; + ASL_RESOURCE_NODE *Rnode; + char *ResourceSource = NULL; + UINT8 *VendorData = NULL; + UINT16 ResSourceLength; + UINT16 VendorLength; + UINT16 DescriptorSize; + UINT32 i; + + + InitializerOp = Op->Asl.Child; + + /* + * Calculate lengths for fields that have variable length: + * 1) Resource Source string + * 2) Vendor Data buffer + */ + ResSourceLength = RsGetStringDataLength (InitializerOp); + VendorLength = RsGetBufferDataLength (InitializerOp); + + DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_SPI_SERIALBUS) + + ResSourceLength + VendorLength; + + /* Allocate the local resource node and initialize */ + + Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER)); + + Descriptor = Rnode->Buffer; + Descriptor->SpiSerialBus.ResourceLength = DescriptorSize; + Descriptor->SpiSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS; + Descriptor->SpiSerialBus.RevisionId = AML_RESOURCE_SPI_REVISION; + Descriptor->SpiSerialBus.TypeRevisionId = AML_RESOURCE_SPI_TYPE_REVISION; + Descriptor->SpiSerialBus.Type = AML_RESOURCE_SPI_SERIALBUSTYPE; + Descriptor->SpiSerialBus.TypeDataLength = AML_RESOURCE_SPI_MIN_DATA_LEN + VendorLength; + + /* Build pointers to optional areas */ + + VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_SPI_SERIALBUS)); + ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength); + + DbgPrint (ASL_DEBUG_OUTPUT, + "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n", + "SpiSerialBus", Descriptor->SpiSerialBus.ResourceLength, + (UINT16) sizeof (AML_RESOURCE_SPI_SERIALBUS), ResSourceLength, + VendorLength, Descriptor->SpiSerialBus.TypeDataLength); + + /* Process all child initialization nodes */ + + for (i = 0; InitializerOp; i++) + { + switch (i) + { + case 0: /* Device Selection [WORD] (_ADR) */ + + Descriptor->SpiSerialBus.DeviceSelection = (UINT16) InitializerOp->Asl.Value.Integer; + RsCreateWordField (InitializerOp, ACPI_RESTAG_ADDRESS, + CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.DeviceSelection)); + break; + + case 1: /* Device Polarity [Flag] (_DPL) */ + + RsSetFlagBits16 (&Descriptor->SpiSerialBus.TypeSpecificFlags, InitializerOp, 1, 0); + RsCreateBitField (InitializerOp, ACPI_RESTAG_DEVICEPOLARITY, + CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.TypeSpecificFlags), 1); + break; + + case 2: /* Wire Mode [Flag] (_MOD) */ + + RsSetFlagBits16 (&Descriptor->SpiSerialBus.TypeSpecificFlags, InitializerOp, 0, 0); + RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE, + CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.TypeSpecificFlags), 0); + break; + + case 3: /* Device Bit Length [BYTE] (_LEN) */ + + Descriptor->SpiSerialBus.DataBitLength = (UINT8) InitializerOp->Asl.Value.Integer; + RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH, + CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.DataBitLength)); + break; + + case 4: /* Slave Mode [Flag] (_SLV) */ + + RsSetFlagBits (&Descriptor->SpiSerialBus.Flags, InitializerOp, 0, 0); + RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE, + CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.Flags), 0); + break; + + case 5: /* Connection Speed [DWORD] (_SPE) */ + + Descriptor->SpiSerialBus.ConnectionSpeed = (UINT32) InitializerOp->Asl.Value.Integer; + RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED, + CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ConnectionSpeed)); + break; + + case 6: /* Clock Polarity [BYTE] (_POL) */ + + Descriptor->SpiSerialBus.ClockPolarity = (UINT8) InitializerOp->Asl.Value.Integer; + RsCreateByteField (InitializerOp, ACPI_RESTAG_POLARITY, + CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ClockPolarity)); + break; + + case 7: /* Clock Phase [BYTE] (_PHA) */ + + Descriptor->SpiSerialBus.ClockPhase = (UINT8) InitializerOp->Asl.Value.Integer; + RsCreateByteField (InitializerOp, ACPI_RESTAG_PHASE, + CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ClockPhase)); + break; + + case 8: /* ResSource [Optional Field - STRING] */ + + if (ResSourceLength) + { + /* Copy string to the descriptor */ + + strcpy (ResourceSource, + InitializerOp->Asl.Value.String); + } + break; + + case 9: /* Resource Index */ + + if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) + { + Descriptor->SpiSerialBus.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer; + } + break; + + case 10: /* Resource Usage (consumer/producer) */ + + RsSetFlagBits (&Descriptor->SpiSerialBus.Flags, InitializerOp, 1, 1); + break; + + case 11: /* Resource Tag (Descriptor Name) */ + + UtAttachNamepathToOwner (Op, InitializerOp); + break; + + case 12: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */ + + RsGetVendorData (InitializerOp, VendorData, + CurrentByteOffset + sizeof (AML_RESOURCE_SPI_SERIALBUS)); + break; + + default: /* Ignore any extra nodes */ + break; + } + + InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); + } + + return (Rnode); +} + + +/******************************************************************************* + * + * FUNCTION: RsDoUartSerialBusDescriptor + * + * PARAMETERS: Op - Parent resource descriptor parse node + * CurrentByteOffset - Offset into the resource template AML + * buffer (to track references to the desc) + * + * RETURN: Completed resource node + * + * DESCRIPTION: Construct a long "UART Serial Bus" descriptor + * + ******************************************************************************/ + +ASL_RESOURCE_NODE * +RsDoUartSerialBusDescriptor ( + ACPI_PARSE_OBJECT *Op, + UINT32 CurrentByteOffset) +{ + AML_RESOURCE *Descriptor; + ACPI_PARSE_OBJECT *InitializerOp; + ASL_RESOURCE_NODE *Rnode; + char *ResourceSource = NULL; + UINT8 *VendorData = NULL; + UINT16 ResSourceLength; + UINT16 VendorLength; + UINT16 DescriptorSize; + UINT32 i; + + + InitializerOp = Op->Asl.Child; + + /* + * Calculate lengths for fields that have variable length: + * 1) Resource Source string + * 2) Vendor Data buffer + */ + ResSourceLength = RsGetStringDataLength (InitializerOp); + VendorLength = RsGetBufferDataLength (InitializerOp); + + DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_UART_SERIALBUS) + + ResSourceLength + VendorLength; + + /* Allocate the local resource node and initialize */ + + Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER)); + + Descriptor = Rnode->Buffer; + Descriptor->UartSerialBus.ResourceLength = DescriptorSize; + Descriptor->UartSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS; + Descriptor->UartSerialBus.RevisionId = AML_RESOURCE_UART_REVISION; + Descriptor->UartSerialBus.TypeRevisionId = AML_RESOURCE_UART_TYPE_REVISION; + Descriptor->UartSerialBus.Type = AML_RESOURCE_UART_SERIALBUSTYPE; + Descriptor->UartSerialBus.TypeDataLength = AML_RESOURCE_UART_MIN_DATA_LEN + VendorLength; + + /* Build pointers to optional areas */ + + VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_UART_SERIALBUS)); + ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength); + + DbgPrint (ASL_DEBUG_OUTPUT, + "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n", + "UartSerialBus", Descriptor->UartSerialBus.ResourceLength, + (UINT16) sizeof (AML_RESOURCE_UART_SERIALBUS), ResSourceLength, + VendorLength, Descriptor->UartSerialBus.TypeDataLength); + + /* Process all child initialization nodes */ + + for (i = 0; InitializerOp; i++) + { + switch (i) + { + case 0: /* Connection Speed (Baud Rate) [DWORD] (_SPE) */ + + Descriptor->UartSerialBus.DefaultBaudRate = (UINT32) InitializerOp->Asl.Value.Integer; + RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED, + CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.DefaultBaudRate)); + break; + + case 1: /* Bits Per Byte [Flags] (_LEN) */ + + RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 4, 3); + RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_LENGTH, + CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 4, 3); + break; + + case 2: /* Stop Bits [Flags] (_STB) */ + + RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 2, 1); + RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_STOPBITS, + CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 2, 2); + break; + + case 3: /* Lines In Use [BYTE] (_LIN) */ + + Descriptor->UartSerialBus.LinesEnabled = (UINT8) InitializerOp->Asl.Value.Integer; + RsCreateByteField (InitializerOp, ACPI_RESTAG_LINE, + CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.LinesEnabled)); + break; + + case 4: /* Endianness [Flag] (_END) */ + + RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 7, 0); + RsCreateBitField (InitializerOp, ACPI_RESTAG_ENDIANNESS, + CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 7); + break; + + case 5: /* Parity [BYTE] (_PAR) */ + + Descriptor->UartSerialBus.Parity = (UINT8) InitializerOp->Asl.Value.Integer; + RsCreateByteField (InitializerOp, ACPI_RESTAG_PARITY, + CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.Parity)); + break; + + case 6: /* Flow Control [Flags] (_FLC) */ + + RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 0, 0); + RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_FLOWCONTROL, + CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 0, 2); + break; + + case 7: /* Rx Buffer Size [WORD] (_RXL) */ + + Descriptor->UartSerialBus.RxFifoSize = (UINT16) InitializerOp->Asl.Value.Integer; + RsCreateWordField (InitializerOp, ACPI_RESTAG_LENGTH_RX, + CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.RxFifoSize)); + break; + + case 8: /* Tx Buffer Size [WORD] (_TXL) */ + + Descriptor->UartSerialBus.TxFifoSize = (UINT16) InitializerOp->Asl.Value.Integer; + RsCreateWordField (InitializerOp, ACPI_RESTAG_LENGTH_TX, + CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TxFifoSize)); + break; + + case 9: /* ResSource [Optional Field - STRING] */ + + if (ResSourceLength) + { + /* Copy string to the descriptor */ + + strcpy (ResourceSource, + InitializerOp->Asl.Value.String); + } + break; + + case 10: /* Resource Index */ + + if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) + { + Descriptor->UartSerialBus.ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer; + } + break; + + case 11: /* Resource Usage (consumer/producer) */ + + RsSetFlagBits (&Descriptor->UartSerialBus.Flags, InitializerOp, 1, 1); + + /* + * Slave Mode [Flag] (_SLV) + * + * Note: There is no SlaveMode argument to the UartSerialBus macro, but + * we add this name anyway to allow the flag to be set by ASL in the + * rare case where there is a slave mode associated with the UART. + */ + RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE, + CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.Flags), 0); + break; + + case 12: /* Resource Tag (Descriptor Name) */ + + UtAttachNamepathToOwner (Op, InitializerOp); + break; + + case 13: /* Vendor Data (Optional - Buffer of BYTEs) (_VEN) */ + + RsGetVendorData (InitializerOp, VendorData, + CurrentByteOffset + sizeof (AML_RESOURCE_UART_SERIALBUS)); + break; + + default: /* Ignore any extra nodes */ + break; + } + + InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); + } + + return (Rnode); +} |