mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-11-22 17:01:40 +03:00
281 lines
10 KiB
C
281 lines
10 KiB
C
/*******************************************************************************
|
|
*
|
|
* Module Name: evsci - System Control Interrupt configuration and
|
|
* legacy to ACPI mode state transition functions
|
|
*
|
|
******************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 1. Copyright Notice
|
|
*
|
|
* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
|
|
* All rights reserved.
|
|
*
|
|
* 2. License
|
|
*
|
|
* 2.1. This is your license from Intel Corp. under its intellectual property
|
|
* rights. You may have additional license terms from the party that provided
|
|
* you this software, covering your right to use that party's intellectual
|
|
* property rights.
|
|
*
|
|
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
|
|
* copy of the source code appearing in this file ("Covered Code") an
|
|
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
|
|
* base code distributed originally by Intel ("Original Intel Code") to copy,
|
|
* make derivatives, distribute, use and display any portion of the Covered
|
|
* Code in any form, with the right to sublicense such rights; and
|
|
*
|
|
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
|
|
* license (with the right to sublicense), under only those claims of Intel
|
|
* patents that are infringed by the Original Intel Code, to make, use, sell,
|
|
* offer to sell, and import the Covered Code and derivative works thereof
|
|
* solely to the minimum extent necessary to exercise the above copyright
|
|
* license, and in no event shall the patent license extend to any additions
|
|
* to or modifications of the Original Intel Code. No other license or right
|
|
* is granted directly or by implication, estoppel or otherwise;
|
|
*
|
|
* The above copyright and patent license is granted only if the following
|
|
* conditions are met:
|
|
*
|
|
* 3. Conditions
|
|
*
|
|
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
|
|
* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification with rights to further distribute source must include
|
|
* the above Copyright Notice, the above License, this list of Conditions,
|
|
* and the following Disclaimer and Export Compliance provision. In addition,
|
|
* Licensee must cause all Covered Code to which Licensee contributes to
|
|
* contain a file documenting the changes Licensee made to create that Covered
|
|
* Code and the date of any change. Licensee must include in that file the
|
|
* documentation of any changes made by any predecessor Licensee. Licensee
|
|
* must include a prominent statement that the modification is derived,
|
|
* directly or indirectly, from Original Intel Code.
|
|
*
|
|
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
|
|
* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification without rights to further distribute source must
|
|
* include the following Disclaimer and Export Compliance provision in the
|
|
* documentation and/or other materials provided with distribution. In
|
|
* addition, Licensee may not authorize further sublicense of source of any
|
|
* portion of the Covered Code, and must include terms to the effect that the
|
|
* license from Licensee to its licensee is limited to the intellectual
|
|
* property embodied in the software Licensee provides to its licensee, and
|
|
* not to intellectual property embodied in modifications its licensee may
|
|
|
|
* make.
|
|
*
|
|
* 3.3. Redistribution of Executable. Redistribution in executable form of any
|
|
* substantial portion of the Covered Code or modification must reproduce the
|
|
* above Copyright Notice, and the following Disclaimer and Export Compliance
|
|
* provision in the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3.4. Intel retains all right, title, and interest in and to the Original
|
|
* Intel Code.
|
|
*
|
|
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
|
|
* Intel shall be used in advertising or otherwise to promote the sale, use or
|
|
* other dealings in products derived from or relating to the Covered Code
|
|
* without prior written authorization from Intel.
|
|
*
|
|
* 4. Disclaimer and Export Compliance
|
|
*
|
|
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
|
|
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
|
|
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
|
|
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
|
|
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE.
|
|
*
|
|
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
|
|
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
|
|
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
|
|
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
|
|
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
|
|
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
|
|
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
|
|
* LIMITED REMEDY.
|
|
*
|
|
* 4.3. Licensee shall not export, either directly or indirectly, any of this
|
|
* software or system incorporating such software without first obtaining any
|
|
* required license or other approval from the U. S. Department of Commerce or
|
|
* any other agency or department of the United States Government. In the
|
|
* event Licensee exports any such software from the United States or
|
|
* re-exports any such software from a foreign destination, Licensee shall
|
|
* ensure that the distribution and export/re-export of the software is in
|
|
* compliance with all laws, regulations, orders, or other restrictions of the
|
|
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
|
|
* any of its subsidiaries will export/re-export any technical data, process,
|
|
* software, or service, directly or indirectly, to any country for which the
|
|
* United States government or any agency thereof requires an export license,
|
|
* other governmental approval, or letter of assurance, without first obtaining
|
|
* such license, approval or letter.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#include "acpi.h"
|
|
#include "accommon.h"
|
|
#include "acevents.h"
|
|
|
|
|
|
#define _COMPONENT ACPI_EVENTS
|
|
ACPI_MODULE_NAME ("evsci")
|
|
|
|
/* Local prototypes */
|
|
|
|
static UINT32 ACPI_SYSTEM_XFACE
|
|
AcpiEvSciXruptHandler (
|
|
void *Context);
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiEvSciXruptHandler
|
|
*
|
|
* PARAMETERS: Context - Calling Context
|
|
*
|
|
* RETURN: Status code indicates whether interrupt was handled.
|
|
*
|
|
* DESCRIPTION: Interrupt handler that will figure out what function or
|
|
* control method to call to deal with a SCI.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static UINT32 ACPI_SYSTEM_XFACE
|
|
AcpiEvSciXruptHandler (
|
|
void *Context)
|
|
{
|
|
ACPI_GPE_XRUPT_INFO *GpeXruptList = Context;
|
|
UINT32 InterruptHandled = ACPI_INTERRUPT_NOT_HANDLED;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (EvSciXruptHandler);
|
|
|
|
|
|
/*
|
|
* We are guaranteed by the ACPI CA initialization/shutdown code that
|
|
* if this interrupt handler is installed, ACPI is enabled.
|
|
*/
|
|
|
|
/*
|
|
* Fixed Events:
|
|
* Check for and dispatch any Fixed Events that have occurred
|
|
*/
|
|
InterruptHandled |= AcpiEvFixedEventDetect ();
|
|
|
|
/*
|
|
* General Purpose Events:
|
|
* Check for and dispatch any GPEs that have occurred
|
|
*/
|
|
InterruptHandled |= AcpiEvGpeDetect (GpeXruptList);
|
|
|
|
AcpiSciCount++;
|
|
return_UINT32 (InterruptHandled);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiEvGpeXruptHandler
|
|
*
|
|
* PARAMETERS: Context - Calling Context
|
|
*
|
|
* RETURN: Status code indicates whether interrupt was handled.
|
|
*
|
|
* DESCRIPTION: Handler for GPE Block Device interrupts
|
|
*
|
|
******************************************************************************/
|
|
|
|
UINT32 ACPI_SYSTEM_XFACE
|
|
AcpiEvGpeXruptHandler (
|
|
void *Context)
|
|
{
|
|
ACPI_GPE_XRUPT_INFO *GpeXruptList = Context;
|
|
UINT32 InterruptHandled = ACPI_INTERRUPT_NOT_HANDLED;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (EvGpeXruptHandler);
|
|
|
|
|
|
/*
|
|
* We are guaranteed by the ACPI CA initialization/shutdown code that
|
|
* if this interrupt handler is installed, ACPI is enabled.
|
|
*/
|
|
|
|
/* GPEs: Check for and dispatch any GPEs that have occurred */
|
|
|
|
InterruptHandled |= AcpiEvGpeDetect (GpeXruptList);
|
|
|
|
return_UINT32 (InterruptHandled);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiEvInstallSciHandler
|
|
*
|
|
* PARAMETERS: none
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Installs SCI handler.
|
|
*
|
|
******************************************************************************/
|
|
|
|
UINT32
|
|
AcpiEvInstallSciHandler (
|
|
void)
|
|
{
|
|
UINT32 Status = AE_OK;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (EvInstallSciHandler);
|
|
|
|
|
|
Status = AcpiOsInstallInterruptHandler ((UINT32) AcpiGbl_FADT.SciInterrupt,
|
|
AcpiEvSciXruptHandler, AcpiGbl_GpeXruptListHead);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiEvRemoveSciHandler
|
|
*
|
|
* PARAMETERS: none
|
|
*
|
|
* RETURN: E_OK if handler uninstalled OK, E_ERROR if handler was not
|
|
* installed to begin with
|
|
*
|
|
* DESCRIPTION: Remove the SCI interrupt handler. No further SCIs will be
|
|
* taken.
|
|
*
|
|
* Note: It doesn't seem important to disable all events or set the event
|
|
* enable registers to their original values. The OS should disable
|
|
* the SCI interrupt level when the handler is removed, so no more
|
|
* events will come in.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiEvRemoveSciHandler (
|
|
void)
|
|
{
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (EvRemoveSciHandler);
|
|
|
|
|
|
/* Just let the OS remove the handler and disable the level */
|
|
|
|
Status = AcpiOsRemoveInterruptHandler ((UINT32) AcpiGbl_FADT.SciInterrupt,
|
|
AcpiEvSciXruptHandler);
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|