9560b6dea8
- 99% of the code is Intel's ACPICA. The license is compliant with BSD and GNU and virtually all systems that use ACPI use this code, For instance it is part of the Linux kernel. - The only minix specific files are acpi.c osminixxf.c platform/acminix.h and include/minix/acpi.h - At the moment the driver does not register interrupt hooks which I believe is mainly for handling PnP, events like "battery level is low" and power management. Should not be difficult to add it if need be. - The interface to the outside world is virtually non-existent except a trivial message based service for PCI driver to query which device is connected to what IRQ line. This will evolve as more components start using this driver. VM, Scheduler and IOMMU are the possible users right now. - because of dependency on a native 64bit (long long, part of c99) it is compiled only with a gnu-like compilers which in case of Minix includes gcc llvm-gcc and clang
473 lines
24 KiB
C
473 lines
24 KiB
C
/******************************************************************************
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*
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* Name: actbl.h - Basic ACPI Table Definitions
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#ifndef __ACTBL_H__
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#define __ACTBL_H__
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/*******************************************************************************
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*
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* Fundamental ACPI tables
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*
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* This file contains definitions for the ACPI tables that are directly consumed
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* by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
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* device drivers and other OS support code.
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*
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* The RSDP and FACS do not use the common ACPI table header. All other ACPI
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* tables use the header.
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*
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******************************************************************************/
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/*
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* Values for description table header signatures for tables defined in this
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* file. Useful because they make it more difficult to inadvertently type in
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* the wrong signature.
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*/
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#define ACPI_SIG_DSDT "DSDT" /* Differentiated System Description Table */
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#define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */
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#define ACPI_SIG_FACS "FACS" /* Firmware ACPI Control Structure */
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#define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */
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#define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */
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#define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */
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#define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */
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#define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */
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#define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */
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/*
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* All tables and structures must be byte-packed to match the ACPI
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* specification, since the tables are provided by the system BIOS
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*/
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#pragma pack(1)
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/*
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* Note about bitfields: The UINT8 type is used for bitfields in ACPI tables.
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* This is the only type that is even remotely portable. Anything else is not
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* portable, so do not use any other bitfield types.
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*/
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/*******************************************************************************
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*
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* Master ACPI Table Header. This common header is used by all ACPI tables
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* except the RSDP and FACS.
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*
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******************************************************************************/
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typedef struct acpi_table_header
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{
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char Signature[ACPI_NAME_SIZE]; /* ASCII table signature */
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UINT32 Length; /* Length of table in bytes, including this header */
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UINT8 Revision; /* ACPI Specification minor version # */
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UINT8 Checksum; /* To make sum of entire table == 0 */
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char OemId[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */
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char OemTableId[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
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UINT32 OemRevision; /* OEM revision number */
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char AslCompilerId[ACPI_NAME_SIZE]; /* ASCII ASL compiler vendor ID */
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UINT32 AslCompilerRevision; /* ASL compiler version */
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} ACPI_TABLE_HEADER;
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/*******************************************************************************
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*
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* GAS - Generic Address Structure (ACPI 2.0+)
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*
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* Note: Since this structure is used in the ACPI tables, it is byte aligned.
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* If misaliged access is not supported by the hardware, accesses to the
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* 64-bit Address field must be performed with care.
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*
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******************************************************************************/
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typedef struct acpi_generic_address
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{
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UINT8 SpaceId; /* Address space where struct or register exists */
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UINT8 BitWidth; /* Size in bits of given register */
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UINT8 BitOffset; /* Bit offset within the register */
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UINT8 AccessWidth; /* Minimum Access size (ACPI 3.0) */
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UINT64 Address; /* 64-bit address of struct or register */
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} ACPI_GENERIC_ADDRESS;
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/*******************************************************************************
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*
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* RSDP - Root System Description Pointer (Signature is "RSD PTR ")
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* Version 2
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*
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******************************************************************************/
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typedef struct acpi_table_rsdp
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{
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char Signature[8]; /* ACPI signature, contains "RSD PTR " */
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UINT8 Checksum; /* ACPI 1.0 checksum */
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char OemId[ACPI_OEM_ID_SIZE]; /* OEM identification */
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UINT8 Revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
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UINT32 RsdtPhysicalAddress; /* 32-bit physical address of the RSDT */
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UINT32 Length; /* Table length in bytes, including header (ACPI 2.0+) */
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UINT64 XsdtPhysicalAddress; /* 64-bit physical address of the XSDT (ACPI 2.0+) */
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UINT8 ExtendedChecksum; /* Checksum of entire table (ACPI 2.0+) */
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UINT8 Reserved[3]; /* Reserved, must be zero */
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} ACPI_TABLE_RSDP;
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/* Standalone struct for the ACPI 1.0 RSDP */
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typedef struct acpi_rsdp_common
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{
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char Signature[8];
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UINT8 Checksum;
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char OemId[ACPI_OEM_ID_SIZE];
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UINT8 Revision;
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UINT32 RsdtPhysicalAddress;
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} ACPI_RSDP_COMMON;
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/* Standalone struct for the extended part of the RSDP (ACPI 2.0+) */
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typedef struct acpi_rsdp_extension
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{
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UINT32 Length;
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UINT64 XsdtPhysicalAddress;
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UINT8 ExtendedChecksum;
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UINT8 Reserved[3];
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} ACPI_RSDP_EXTENSION;
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/*******************************************************************************
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*
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* RSDT/XSDT - Root System Description Tables
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* Version 1 (both)
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*
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******************************************************************************/
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typedef struct acpi_table_rsdt
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{
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ACPI_TABLE_HEADER Header; /* Common ACPI table header */
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UINT32 TableOffsetEntry[1]; /* Array of pointers to ACPI tables */
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} ACPI_TABLE_RSDT;
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typedef struct acpi_table_xsdt
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{
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ACPI_TABLE_HEADER Header; /* Common ACPI table header */
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UINT64 TableOffsetEntry[1]; /* Array of pointers to ACPI tables */
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} ACPI_TABLE_XSDT;
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/*******************************************************************************
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*
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* FACS - Firmware ACPI Control Structure (FACS)
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*
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******************************************************************************/
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typedef struct acpi_table_facs
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{
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char Signature[4]; /* ASCII table signature */
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UINT32 Length; /* Length of structure, in bytes */
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UINT32 HardwareSignature; /* Hardware configuration signature */
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UINT32 FirmwareWakingVector; /* 32-bit physical address of the Firmware Waking Vector */
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UINT32 GlobalLock; /* Global Lock for shared hardware resources */
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UINT32 Flags;
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UINT64 XFirmwareWakingVector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
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UINT8 Version; /* Version of this table (ACPI 2.0+) */
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UINT8 Reserved[3]; /* Reserved, must be zero */
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UINT32 OspmFlags; /* Flags to be set by OSPM (ACPI 4.0) */
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UINT8 Reserved1[24]; /* Reserved, must be zero */
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} ACPI_TABLE_FACS;
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/* Masks for GlobalLock flag field above */
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#define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */
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#define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */
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/* Masks for Flags field above */
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#define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */
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#define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */
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/* Masks for OspmFlags field above */
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#define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */
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/*******************************************************************************
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*
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* FADT - Fixed ACPI Description Table (Signature "FACP")
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* Version 4
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*
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******************************************************************************/
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/* Fields common to all versions of the FADT */
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typedef struct acpi_table_fadt
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{
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ACPI_TABLE_HEADER Header; /* Common ACPI table header */
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UINT32 Facs; /* 32-bit physical address of FACS */
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UINT32 Dsdt; /* 32-bit physical address of DSDT */
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UINT8 Model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
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UINT8 PreferredProfile; /* Conveys preferred power management profile to OSPM. */
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UINT16 SciInterrupt; /* System vector of SCI interrupt */
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UINT32 SmiCommand; /* 32-bit Port address of SMI command port */
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UINT8 AcpiEnable; /* Value to write to smi_cmd to enable ACPI */
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UINT8 AcpiDisable; /* Value to write to smi_cmd to disable ACPI */
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UINT8 S4BiosRequest; /* Value to write to SMI CMD to enter S4BIOS state */
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UINT8 PstateControl; /* Processor performance state control*/
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UINT32 Pm1aEventBlock; /* 32-bit Port address of Power Mgt 1a Event Reg Blk */
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UINT32 Pm1bEventBlock; /* 32-bit Port address of Power Mgt 1b Event Reg Blk */
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UINT32 Pm1aControlBlock; /* 32-bit Port address of Power Mgt 1a Control Reg Blk */
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UINT32 Pm1bControlBlock; /* 32-bit Port address of Power Mgt 1b Control Reg Blk */
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UINT32 Pm2ControlBlock; /* 32-bit Port address of Power Mgt 2 Control Reg Blk */
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UINT32 PmTimerBlock; /* 32-bit Port address of Power Mgt Timer Ctrl Reg Blk */
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UINT32 Gpe0Block; /* 32-bit Port address of General Purpose Event 0 Reg Blk */
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UINT32 Gpe1Block; /* 32-bit Port address of General Purpose Event 1 Reg Blk */
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UINT8 Pm1EventLength; /* Byte Length of ports at Pm1xEventBlock */
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UINT8 Pm1ControlLength; /* Byte Length of ports at Pm1xControlBlock */
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UINT8 Pm2ControlLength; /* Byte Length of ports at Pm2ControlBlock */
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UINT8 PmTimerLength; /* Byte Length of ports at PmTimerBlock */
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UINT8 Gpe0BlockLength; /* Byte Length of ports at Gpe0Block */
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UINT8 Gpe1BlockLength; /* Byte Length of ports at Gpe1Block */
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UINT8 Gpe1Base; /* Offset in GPE number space where GPE1 events start */
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UINT8 CstControl; /* Support for the _CST object and C States change notification */
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UINT16 C2Latency; /* Worst case HW latency to enter/exit C2 state */
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UINT16 C3Latency; /* Worst case HW latency to enter/exit C3 state */
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UINT16 FlushSize; /* Processor's memory cache line width, in bytes */
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UINT16 FlushStride; /* Number of flush strides that need to be read */
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UINT8 DutyOffset; /* Processor duty cycle index in processor's P_CNT reg */
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UINT8 DutyWidth; /* Processor duty cycle value bit width in P_CNT register */
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UINT8 DayAlarm; /* Index to day-of-month alarm in RTC CMOS RAM */
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UINT8 MonthAlarm; /* Index to month-of-year alarm in RTC CMOS RAM */
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UINT8 Century; /* Index to century in RTC CMOS RAM */
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UINT16 BootFlags; /* IA-PC Boot Architecture Flags (see below for individual flags) */
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UINT8 Reserved; /* Reserved, must be zero */
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UINT32 Flags; /* Miscellaneous flag bits (see below for individual flags) */
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ACPI_GENERIC_ADDRESS ResetRegister; /* 64-bit address of the Reset register */
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UINT8 ResetValue; /* Value to write to the ResetRegister port to reset the system */
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UINT8 Reserved4[3]; /* Reserved, must be zero */
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UINT64 XFacs; /* 64-bit physical address of FACS */
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UINT64 XDsdt; /* 64-bit physical address of DSDT */
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ACPI_GENERIC_ADDRESS XPm1aEventBlock; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
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ACPI_GENERIC_ADDRESS XPm1bEventBlock; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
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ACPI_GENERIC_ADDRESS XPm1aControlBlock; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
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ACPI_GENERIC_ADDRESS XPm1bControlBlock; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
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ACPI_GENERIC_ADDRESS XPm2ControlBlock; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
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ACPI_GENERIC_ADDRESS XPmTimerBlock; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
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ACPI_GENERIC_ADDRESS XGpe0Block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */
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ACPI_GENERIC_ADDRESS XGpe1Block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */
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} ACPI_TABLE_FADT;
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/* Masks for FADT Boot Architecture Flags (BootFlags) */
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#define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */
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#define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */
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#define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */
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#define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
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#define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */
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/* Masks for FADT flags */
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#define ACPI_FADT_WBINVD (1) /* 00: [V1] The wbinvd instruction works properly */
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#define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] wbinvd flushes but does not invalidate caches */
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#define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */
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#define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */
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#define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */
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#define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */
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#define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status not in fixed register space */
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#define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */
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#define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
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#define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */
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#define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */
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#define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */
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#define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */
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#define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */
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#define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
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#define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */
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#define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
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#define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
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#define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
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#define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */
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/* Values for PreferredProfile (Prefered Power Management Profiles) */
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enum AcpiPreferedPmProfiles
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{
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PM_UNSPECIFIED = 0,
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PM_DESKTOP = 1,
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PM_MOBILE = 2,
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PM_WORKSTATION = 3,
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PM_ENTERPRISE_SERVER = 4,
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PM_SOHO_SERVER = 5,
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PM_APPLIANCE_PC = 6
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};
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|
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/* Reset to default packing */
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#pragma pack()
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|
|
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/*
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* Internal table-related structures
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|
*/
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typedef union acpi_name_union
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{
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UINT32 Integer;
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char Ascii[4];
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|
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} ACPI_NAME_UNION;
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|
|
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/* Internal ACPI Table Descriptor. One per ACPI table. */
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|
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typedef struct acpi_table_desc
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{
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ACPI_PHYSICAL_ADDRESS Address;
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ACPI_TABLE_HEADER *Pointer;
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UINT32 Length; /* Length fixed at 32 bits */
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|
ACPI_NAME_UNION Signature;
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|
ACPI_OWNER_ID OwnerId;
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|
UINT8 Flags;
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|
|
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} ACPI_TABLE_DESC;
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|
|
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/* Masks for Flags field above */
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|
|
|
#define ACPI_TABLE_ORIGIN_UNKNOWN (0)
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|
#define ACPI_TABLE_ORIGIN_MAPPED (1)
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|
#define ACPI_TABLE_ORIGIN_ALLOCATED (2)
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|
#define ACPI_TABLE_ORIGIN_OVERRIDE (4)
|
|
#define ACPI_TABLE_ORIGIN_MASK (7)
|
|
#define ACPI_TABLE_IS_LOADED (8)
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|
|
|
|
|
/*
|
|
* Get the remaining ACPI tables
|
|
*/
|
|
#include "actbl1.h"
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|
#include "actbl2.h"
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|
|
|
/* Macros used to generate offsets to specific table fields */
|
|
|
|
#define ACPI_FADT_OFFSET(f) (UINT8) ACPI_OFFSET (ACPI_TABLE_FADT, f)
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|
|
|
#endif /* __ACTBL_H__ */
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