/******************************************************************************
*
* Module Name: aslrestype2s - Serial Large resource descriptors
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2014, 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);
}
