freebsd-dev/sys/contrib/dev/acpica/compiler/aslmapenter.c

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/******************************************************************************
*
* Module Name: aslmapenter - Build resource descriptor/device maps
*
*****************************************************************************/
/*
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* Copyright (C) 2000 - 2015, Intel Corp.
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* 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.
*/
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#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/acapps.h>
#include <contrib/dev/acpica/compiler/aslcompiler.h>
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/* This module used for application-level code only */
#define _COMPONENT ACPI_COMPILER
ACPI_MODULE_NAME ("aslmapenter")
/* Local prototypes */
static ACPI_GPIO_INFO *
MpCreateGpioInfo (
UINT16 PinNumber,
char *DeviceName);
static ACPI_SERIAL_INFO *
MpCreateSerialInfo (
char *DeviceName,
UINT16 Address);
/*******************************************************************************
*
* FUNCTION: MpSaveGpioInfo
*
* PARAMETERS: Resource - GPIO resource descriptor
* PinCount - From GPIO descriptor
* PinList - From GPIO descriptor
* DeviceName - The "ResourceSource" name
*
* RETURN: None
*
* DESCRIPTION: External Interface.
* Save GPIO resource descriptor information.
* Creates new GPIO info blocks, one for each pin defined by the
* GPIO descriptor.
*
******************************************************************************/
void
MpSaveGpioInfo (
ACPI_PARSE_OBJECT *Op,
AML_RESOURCE *Resource,
UINT32 PinCount,
UINT16 *PinList,
char *DeviceName)
{
ACPI_GPIO_INFO *Info;
UINT32 i;
/* Mapfile option enabled? */
if (!Gbl_MapfileFlag)
{
return;
}
/* Create an info block for each pin defined in the descriptor */
for (i = 0; i < PinCount; i++)
{
Info = MpCreateGpioInfo (PinList[i], DeviceName);
Info->Op = Op;
Info->DeviceName = DeviceName;
Info->PinCount = PinCount;
Info->PinIndex = i;
Info->PinNumber = PinList[i];
Info->Type = Resource->Gpio.ConnectionType;
Info->Direction = (UINT8) (Resource->Gpio.IntFlags & 0x0003); /* _IOR, for IO descriptor */
Info->Polarity = (UINT8) ((Resource->Gpio.IntFlags >> 1) & 0x0003); /* _POL, for INT descriptor */
}
}
/*******************************************************************************
*
* FUNCTION: MpSaveSerialInfo
*
* PARAMETERS: Resource - A Serial resource descriptor
* DeviceName - The "ResourceSource" name.
*
* RETURN: None
*
* DESCRIPTION: External Interface.
* Save serial resource descriptor information.
* Creates a new serial info block.
*
******************************************************************************/
void
MpSaveSerialInfo (
ACPI_PARSE_OBJECT *Op,
AML_RESOURCE *Resource,
char *DeviceName)
{
ACPI_SERIAL_INFO *Info;
UINT16 Address;
UINT32 Speed;
/* Mapfile option enabled? */
if (!Gbl_MapfileFlag)
{
return;
}
if (Resource->DescriptorType != ACPI_RESOURCE_NAME_SERIAL_BUS)
{
return;
}
/* Extract address and speed from the resource descriptor */
switch (Resource->CommonSerialBus.Type)
{
case AML_RESOURCE_I2C_SERIALBUSTYPE:
Address = Resource->I2cSerialBus.SlaveAddress;
Speed = Resource->I2cSerialBus.ConnectionSpeed;
break;
case AML_RESOURCE_SPI_SERIALBUSTYPE:
Address = Resource->SpiSerialBus.DeviceSelection;
Speed = Resource->SpiSerialBus.ConnectionSpeed;
break;
case AML_RESOURCE_UART_SERIALBUSTYPE:
Address = 0;
Speed = Resource->UartSerialBus.DefaultBaudRate;
break;
default: /* Invalid bus subtype */
return;
}
Info = MpCreateSerialInfo (DeviceName, Address);
Info->Op = Op;
Info->DeviceName = DeviceName;
Info->Resource = Resource;
Info->Address = Address;
Info->Speed = Speed;
}
/*******************************************************************************
*
* FUNCTION: MpCreateGpioInfo
*
* PARAMETERS: PinNumber - GPIO pin number
* DeviceName - The "ResourceSource" name
*
* RETURN: New GPIO info block.
*
* DESCRIPTION: Create a new GPIO info block and place it on the global list.
* The list is sorted by GPIO device names first, and pin numbers
* secondarily.
*
******************************************************************************/
static ACPI_GPIO_INFO *
MpCreateGpioInfo (
UINT16 PinNumber,
char *DeviceName)
{
ACPI_GPIO_INFO *Info;
ACPI_GPIO_INFO *NextGpio;
ACPI_GPIO_INFO *PrevGpio;
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char *Buffer;
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/*
* Allocate a new info block and insert it into the global GPIO list
* sorted by both source device name and then the pin number. There is
* one block per pin.
*/
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Buffer = UtStringCacheCalloc (sizeof (ACPI_GPIO_INFO));
Info = ACPI_CAST_PTR (ACPI_GPIO_INFO, Buffer);
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NextGpio = Gbl_GpioList;
PrevGpio = NULL;
if (!Gbl_GpioList)
{
Gbl_GpioList = Info;
Info->Next = NULL;
return (Info);
}
/* Sort on source DeviceName first */
while (NextGpio &&
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(strcmp (DeviceName, NextGpio->DeviceName) > 0))
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{
PrevGpio = NextGpio;
NextGpio = NextGpio->Next;
}
/* Now sort on the PinNumber */
while (NextGpio &&
(NextGpio->PinNumber < PinNumber) &&
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!strcmp (DeviceName, NextGpio->DeviceName))
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{
PrevGpio = NextGpio;
NextGpio = NextGpio->Next;
}
/* Finish the list insertion */
if (PrevGpio)
{
PrevGpio->Next = Info;
}
else
{
Gbl_GpioList = Info;
}
Info->Next = NextGpio;
return (Info);
}
/*******************************************************************************
*
* FUNCTION: MpCreateSerialInfo
*
* PARAMETERS: DeviceName - The "ResourceSource" name.
* Address - Physical address for the device
*
* RETURN: New Serial info block.
*
* DESCRIPTION: Create a new Serial info block and place it on the global list.
* The list is sorted by Serial device names first, and addresses
* secondarily.
*
******************************************************************************/
static ACPI_SERIAL_INFO *
MpCreateSerialInfo (
char *DeviceName,
UINT16 Address)
{
ACPI_SERIAL_INFO *Info;
ACPI_SERIAL_INFO *NextSerial;
ACPI_SERIAL_INFO *PrevSerial;
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char *Buffer;
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/*
* Allocate a new info block and insert it into the global Serial list
* sorted by both source device name and then the address.
*/
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Buffer = UtStringCacheCalloc (sizeof (ACPI_SERIAL_INFO));
Info = ACPI_CAST_PTR (ACPI_SERIAL_INFO, Buffer);
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NextSerial = Gbl_SerialList;
PrevSerial = NULL;
if (!Gbl_SerialList)
{
Gbl_SerialList = Info;
Info->Next = NULL;
return (Info);
}
/* Sort on source DeviceName */
while (NextSerial &&
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(strcmp (DeviceName, NextSerial->DeviceName) > 0))
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{
PrevSerial = NextSerial;
NextSerial = NextSerial->Next;
}
/* Now sort on the Address */
while (NextSerial &&
(NextSerial->Address < Address) &&
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!strcmp (DeviceName, NextSerial->DeviceName))
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{
PrevSerial = NextSerial;
NextSerial = NextSerial->Next;
}
/* Finish the list insertion */
if (PrevSerial)
{
PrevSerial->Next = Info;
}
else
{
Gbl_SerialList = Info;
}
Info->Next = NextSerial;
return (Info);
}