349 lines
9.9 KiB
C
349 lines
9.9 KiB
C
/******************************************************************************
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*
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* Module Name: aslmapenter - Build resource descriptor/device maps
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2015, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <contrib/dev/acpica/include/acpi.h>
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#include <contrib/dev/acpica/include/accommon.h>
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#include <contrib/dev/acpica/include/acapps.h>
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#include <contrib/dev/acpica/compiler/aslcompiler.h>
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/* This module used for application-level code only */
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslmapenter")
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/* Local prototypes */
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static ACPI_GPIO_INFO *
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MpCreateGpioInfo (
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UINT16 PinNumber,
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char *DeviceName);
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static ACPI_SERIAL_INFO *
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MpCreateSerialInfo (
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char *DeviceName,
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UINT16 Address);
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/*******************************************************************************
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*
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* FUNCTION: MpSaveGpioInfo
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*
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* PARAMETERS: Resource - GPIO resource descriptor
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* PinCount - From GPIO descriptor
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* PinList - From GPIO descriptor
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* DeviceName - The "ResourceSource" name
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*
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* RETURN: None
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*
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* DESCRIPTION: External Interface.
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* Save GPIO resource descriptor information.
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* Creates new GPIO info blocks, one for each pin defined by the
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* GPIO descriptor.
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*
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******************************************************************************/
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void
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MpSaveGpioInfo (
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ACPI_PARSE_OBJECT *Op,
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AML_RESOURCE *Resource,
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UINT32 PinCount,
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UINT16 *PinList,
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char *DeviceName)
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{
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ACPI_GPIO_INFO *Info;
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UINT32 i;
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/* Mapfile option enabled? */
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if (!Gbl_MapfileFlag)
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{
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return;
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}
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/* Create an info block for each pin defined in the descriptor */
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for (i = 0; i < PinCount; i++)
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{
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Info = MpCreateGpioInfo (PinList[i], DeviceName);
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Info->Op = Op;
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Info->DeviceName = DeviceName;
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Info->PinCount = PinCount;
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Info->PinIndex = i;
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Info->PinNumber = PinList[i];
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Info->Type = Resource->Gpio.ConnectionType;
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Info->Direction = (UINT8) (Resource->Gpio.IntFlags & 0x0003); /* _IOR, for IO descriptor */
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Info->Polarity = (UINT8) ((Resource->Gpio.IntFlags >> 1) & 0x0003); /* _POL, for INT descriptor */
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: MpSaveSerialInfo
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*
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* PARAMETERS: Resource - A Serial resource descriptor
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* DeviceName - The "ResourceSource" name.
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*
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* RETURN: None
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*
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* DESCRIPTION: External Interface.
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* Save serial resource descriptor information.
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* Creates a new serial info block.
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*
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******************************************************************************/
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void
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MpSaveSerialInfo (
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ACPI_PARSE_OBJECT *Op,
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AML_RESOURCE *Resource,
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char *DeviceName)
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{
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ACPI_SERIAL_INFO *Info;
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UINT16 Address;
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UINT32 Speed;
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/* Mapfile option enabled? */
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if (!Gbl_MapfileFlag)
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{
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return;
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}
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if (Resource->DescriptorType != ACPI_RESOURCE_NAME_SERIAL_BUS)
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{
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return;
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}
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/* Extract address and speed from the resource descriptor */
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switch (Resource->CommonSerialBus.Type)
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{
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case AML_RESOURCE_I2C_SERIALBUSTYPE:
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Address = Resource->I2cSerialBus.SlaveAddress;
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Speed = Resource->I2cSerialBus.ConnectionSpeed;
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break;
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case AML_RESOURCE_SPI_SERIALBUSTYPE:
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Address = Resource->SpiSerialBus.DeviceSelection;
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Speed = Resource->SpiSerialBus.ConnectionSpeed;
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break;
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case AML_RESOURCE_UART_SERIALBUSTYPE:
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Address = 0;
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Speed = Resource->UartSerialBus.DefaultBaudRate;
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break;
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default: /* Invalid bus subtype */
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return;
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}
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Info = MpCreateSerialInfo (DeviceName, Address);
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Info->Op = Op;
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Info->DeviceName = DeviceName;
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Info->Resource = Resource;
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Info->Address = Address;
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Info->Speed = Speed;
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}
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/*******************************************************************************
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*
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* FUNCTION: MpCreateGpioInfo
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*
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* PARAMETERS: PinNumber - GPIO pin number
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* DeviceName - The "ResourceSource" name
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*
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* RETURN: New GPIO info block.
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*
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* DESCRIPTION: Create a new GPIO info block and place it on the global list.
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* The list is sorted by GPIO device names first, and pin numbers
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* secondarily.
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*
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******************************************************************************/
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static ACPI_GPIO_INFO *
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MpCreateGpioInfo (
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UINT16 PinNumber,
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char *DeviceName)
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{
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ACPI_GPIO_INFO *Info;
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ACPI_GPIO_INFO *NextGpio;
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ACPI_GPIO_INFO *PrevGpio;
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char *Buffer;
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/*
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* Allocate a new info block and insert it into the global GPIO list
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* sorted by both source device name and then the pin number. There is
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* one block per pin.
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*/
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Buffer = UtStringCacheCalloc (sizeof (ACPI_GPIO_INFO));
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Info = ACPI_CAST_PTR (ACPI_GPIO_INFO, Buffer);
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NextGpio = Gbl_GpioList;
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PrevGpio = NULL;
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if (!Gbl_GpioList)
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{
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Gbl_GpioList = Info;
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Info->Next = NULL;
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return (Info);
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}
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/* Sort on source DeviceName first */
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while (NextGpio &&
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(strcmp (DeviceName, NextGpio->DeviceName) > 0))
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{
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PrevGpio = NextGpio;
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NextGpio = NextGpio->Next;
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}
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/* Now sort on the PinNumber */
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while (NextGpio &&
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(NextGpio->PinNumber < PinNumber) &&
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!strcmp (DeviceName, NextGpio->DeviceName))
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{
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PrevGpio = NextGpio;
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NextGpio = NextGpio->Next;
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}
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/* Finish the list insertion */
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if (PrevGpio)
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{
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PrevGpio->Next = Info;
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}
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else
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{
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Gbl_GpioList = Info;
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}
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Info->Next = NextGpio;
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return (Info);
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}
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/*******************************************************************************
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*
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* FUNCTION: MpCreateSerialInfo
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*
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* PARAMETERS: DeviceName - The "ResourceSource" name.
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* Address - Physical address for the device
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*
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* RETURN: New Serial info block.
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*
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* DESCRIPTION: Create a new Serial info block and place it on the global list.
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* The list is sorted by Serial device names first, and addresses
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* secondarily.
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*
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******************************************************************************/
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static ACPI_SERIAL_INFO *
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MpCreateSerialInfo (
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char *DeviceName,
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UINT16 Address)
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{
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ACPI_SERIAL_INFO *Info;
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ACPI_SERIAL_INFO *NextSerial;
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ACPI_SERIAL_INFO *PrevSerial;
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char *Buffer;
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/*
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* Allocate a new info block and insert it into the global Serial list
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* sorted by both source device name and then the address.
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*/
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Buffer = UtStringCacheCalloc (sizeof (ACPI_SERIAL_INFO));
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Info = ACPI_CAST_PTR (ACPI_SERIAL_INFO, Buffer);
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NextSerial = Gbl_SerialList;
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PrevSerial = NULL;
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if (!Gbl_SerialList)
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{
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Gbl_SerialList = Info;
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Info->Next = NULL;
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return (Info);
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}
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/* Sort on source DeviceName */
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while (NextSerial &&
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(strcmp (DeviceName, NextSerial->DeviceName) > 0))
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{
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PrevSerial = NextSerial;
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NextSerial = NextSerial->Next;
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}
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/* Now sort on the Address */
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while (NextSerial &&
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(NextSerial->Address < Address) &&
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!strcmp (DeviceName, NextSerial->DeviceName))
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{
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PrevSerial = NextSerial;
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NextSerial = NextSerial->Next;
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}
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/* Finish the list insertion */
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if (PrevSerial)
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{
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PrevSerial->Next = Info;
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}
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else
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{
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Gbl_SerialList = Info;
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}
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Info->Next = NextSerial;
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return (Info);
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}
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