/****************************************************************************** * * 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; /* VendorData 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: /* DebounceTimeout [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: /* ResourceTag (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: /* DebounceTimeout [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: /* ResourceTag (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: /* ConnectionSpeed [DWORD] (_SPE) */ Descriptor->I2cSerialBus.ConnectionSpeed = (UINT32) InitializerOp->Asl.Value.Integer; RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED, CurrentByteOffset + ASL_RESDESC_OFFSET (I2cSerialBus.ConnectionSpeed)); break; case 3: /* Addresssing 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: /* ResourceTag (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: /* ConnectionSpeed [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: /* ResourceTag (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: /* ConnectionSpeed (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: /* ResourceTag (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); }