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Diffstat (limited to 'sys/contrib/dev/acpica/evgpeblk.c')
| -rw-r--r-- | sys/contrib/dev/acpica/evgpeblk.c | 645 |
1 files changed, 0 insertions, 645 deletions
diff --git a/sys/contrib/dev/acpica/evgpeblk.c b/sys/contrib/dev/acpica/evgpeblk.c deleted file mode 100644 index 89aa40962a05..000000000000 --- a/sys/contrib/dev/acpica/evgpeblk.c +++ /dev/null @@ -1,645 +0,0 @@ -/****************************************************************************** - * - * Module Name: evgpeblk - GPE block creation and initialization. - * $Revision: 4 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2003, 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 "acevents.h" -#include "acnamesp.h" - -#define _COMPONENT ACPI_EVENTS - ACPI_MODULE_NAME ("evgpe") - - -/******************************************************************************* - * - * FUNCTION: AcpiEvSaveMethodInfo - * - * PARAMETERS: Callback from WalkNamespace - * - * RETURN: None - * - * DESCRIPTION: Called from AcpiWalkNamespace. Expects each object to be a - * control method under the _GPE portion of the namespace. - * Extract the name and GPE type from the object, saving this - * information for quick lookup during GPE dispatch - * - * The name of each GPE control method is of the form: - * "_Lnn" or "_Enn" - * Where: - * L - means that the GPE is level triggered - * E - means that the GPE is edge triggered - * nn - is the GPE number [in HEX] - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiEvSaveMethodInfo ( - ACPI_HANDLE ObjHandle, - UINT32 Level, - void *ObjDesc, - void **ReturnValue) -{ - ACPI_GPE_BLOCK_INFO *GpeBlock = (void *) ObjDesc; - ACPI_GPE_EVENT_INFO *GpeEventInfo; - UINT32 GpeNumber; - char Name[ACPI_NAME_SIZE + 1]; - UINT8 Type; - ACPI_STATUS Status; - - - ACPI_FUNCTION_NAME ("EvSaveMethodInfo"); - - - /* Extract the name from the object and convert to a string */ - - ACPI_MOVE_UNALIGNED32_TO_32 (Name, - &((ACPI_NAMESPACE_NODE *) ObjHandle)->Name.Integer); - Name[ACPI_NAME_SIZE] = 0; - - /* - * Edge/Level determination is based on the 2nd character of the method name - */ - switch (Name[1]) - { - case 'L': - Type = ACPI_EVENT_LEVEL_TRIGGERED; - break; - - case 'E': - Type = ACPI_EVENT_EDGE_TRIGGERED; - break; - - default: - /* Unknown method type, just ignore it! */ - - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Unknown GPE method type: %s (name not of form _Lnn or _Enn)\n", - Name)); - return (AE_OK); - } - - /* Convert the last two characters of the name to the GPE Number */ - - GpeNumber = ACPI_STRTOUL (&Name[2], NULL, 16); - if (GpeNumber == ACPI_UINT32_MAX) - { - /* Conversion failed; invalid method, just ignore it */ - - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Could not extract GPE number from name: %s (name is not of form _Lnn or _Enn)\n", - Name)); - return (AE_OK); - } - - /* Ensure that we have a valid GPE number for this GPE block */ - - if ((GpeNumber < GpeBlock->BlockBaseNumber) || - (GpeNumber - GpeBlock->BlockBaseNumber >= (GpeBlock->RegisterCount * 8))) - { - /* Not valid, all we can do here is ignore it */ - - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "GPE number associated with method %s is not valid\n", Name)); - return (AE_OK); - } - - /* - * Now we can add this information to the GpeEventInfo block - * for use during dispatch of this GPE. - */ - GpeEventInfo = &GpeBlock->EventInfo[GpeNumber - GpeBlock->BlockBaseNumber]; - - GpeEventInfo->Type = Type; - GpeEventInfo->MethodNode = (ACPI_NAMESPACE_NODE *) ObjHandle; - - /* - * Enable the GPE (SCIs should be disabled at this point) - */ - Status = AcpiHwEnableGpe (GpeEventInfo); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Registered GPE method %s as GPE number %2.2X\n", - Name, GpeNumber)); - return (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiEvInstallGpeBlock - * - * PARAMETERS: GpeBlock - New GPE block - * - * RETURN: Status - * - * DESCRIPTION: Install new GPE block with mutex support - * - ******************************************************************************/ - -ACPI_STATUS -AcpiEvInstallGpeBlock ( - ACPI_GPE_BLOCK_INFO *GpeBlock) -{ - ACPI_GPE_BLOCK_INFO *NextGpeBlock; - ACPI_STATUS Status; - - - Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - /* Install the new block at the end of the global list */ - - if (AcpiGbl_GpeBlockListHead) - { - NextGpeBlock = AcpiGbl_GpeBlockListHead; - while (NextGpeBlock->Next) - { - NextGpeBlock = NextGpeBlock->Next; - } - - NextGpeBlock->Next = GpeBlock; - GpeBlock->Previous = NextGpeBlock; - } - else - { - AcpiGbl_GpeBlockListHead = GpeBlock; - } - - Status = AcpiUtReleaseMutex (ACPI_MTX_EVENTS); - return (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiEvCreateGpeInfoBlocks - * - * PARAMETERS: GpeBlock - New GPE block - * - * RETURN: Status - * - * DESCRIPTION: Create the RegisterInfo and EventInfo blocks for this GPE block - * - ******************************************************************************/ - -ACPI_STATUS -AcpiEvCreateGpeInfoBlocks ( - ACPI_GPE_BLOCK_INFO *GpeBlock) -{ - ACPI_GPE_REGISTER_INFO *GpeRegisterInfo = NULL; - ACPI_GPE_EVENT_INFO *GpeEventInfo = NULL; - ACPI_GPE_EVENT_INFO *ThisEvent; - ACPI_GPE_REGISTER_INFO *ThisRegister; - ACPI_NATIVE_UINT i; - ACPI_NATIVE_UINT j; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE ("EvCreateGpeInfoBlocks"); - - - /* Allocate the GPE register information block */ - - GpeRegisterInfo = ACPI_MEM_CALLOCATE ( - (ACPI_SIZE) GpeBlock->RegisterCount * - sizeof (ACPI_GPE_REGISTER_INFO)); - if (!GpeRegisterInfo) - { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Could not allocate the GpeRegisterInfo table\n")); - return_ACPI_STATUS (AE_NO_MEMORY); - } - - /* - * Allocate the GPE EventInfo block. There are eight distinct GPEs - * per register. Initialization to zeros is sufficient. - */ - GpeEventInfo = ACPI_MEM_CALLOCATE ( - ((ACPI_SIZE) GpeBlock->RegisterCount * ACPI_GPE_REGISTER_WIDTH) * - sizeof (ACPI_GPE_EVENT_INFO)); - if (!GpeEventInfo) - { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not allocate the GpeEventInfo table\n")); - Status = AE_NO_MEMORY; - goto ErrorExit; - } - - /* - * Initialize the GPE Register and Event structures. A goal of these - * tables is to hide the fact that there are two separate GPE register sets - * in a given gpe hardware block, the status registers occupy the first half, - * and the enable registers occupy the second half. Another goal is to hide - * the fact that there may be multiple GPE hardware blocks. - */ - ThisRegister = GpeRegisterInfo; - ThisEvent = GpeEventInfo; - - for (i = 0; i < GpeBlock->RegisterCount; i++) - { - /* Init the RegisterInfo for this GPE register (8 GPEs) */ - - ThisRegister->BaseGpeNumber = (UINT8) (GpeBlock->BlockBaseNumber + - (i * ACPI_GPE_REGISTER_WIDTH)); - - ACPI_STORE_ADDRESS (ThisRegister->StatusAddress.Address, - (ACPI_GET_ADDRESS (GpeBlock->BlockAddress.Address) - + i)); - - ACPI_STORE_ADDRESS (ThisRegister->EnableAddress.Address, - (ACPI_GET_ADDRESS (GpeBlock->BlockAddress.Address) - + i - + GpeBlock->RegisterCount)); - - ThisRegister->StatusAddress.AddressSpaceId = GpeBlock->BlockAddress.AddressSpaceId; - ThisRegister->EnableAddress.AddressSpaceId = GpeBlock->BlockAddress.AddressSpaceId; - ThisRegister->StatusAddress.RegisterBitWidth = ACPI_GPE_REGISTER_WIDTH; - ThisRegister->EnableAddress.RegisterBitWidth = ACPI_GPE_REGISTER_WIDTH; - ThisRegister->StatusAddress.RegisterBitOffset = ACPI_GPE_REGISTER_WIDTH; - ThisRegister->EnableAddress.RegisterBitOffset = ACPI_GPE_REGISTER_WIDTH; - - /* Init the EventInfo for each GPE within this register */ - - for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) - { - ThisEvent->BitMask = AcpiGbl_DecodeTo8bit[j]; - ThisEvent->RegisterInfo = ThisRegister; - ThisEvent++; - } - - /* - * Clear the status/enable registers. Note that status registers - * are cleared by writing a '1', while enable registers are cleared - * by writing a '0'. - */ - Status = AcpiHwLowLevelWrite (ACPI_GPE_REGISTER_WIDTH, 0x00, - &ThisRegister->EnableAddress, 0); - if (ACPI_FAILURE (Status)) - { - goto ErrorExit; - } - - Status = AcpiHwLowLevelWrite (ACPI_GPE_REGISTER_WIDTH, 0xFF, - &ThisRegister->StatusAddress, 0); - if (ACPI_FAILURE (Status)) - { - goto ErrorExit; - } - - ThisRegister++; - } - - GpeBlock->RegisterInfo = GpeRegisterInfo; - GpeBlock->EventInfo = GpeEventInfo; - - return_ACPI_STATUS (AE_OK); - - -ErrorExit: - - if (GpeRegisterInfo) - { - ACPI_MEM_FREE (GpeRegisterInfo); - } - if (GpeEventInfo) - { - ACPI_MEM_FREE (GpeEventInfo); - } - - return_ACPI_STATUS (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiEvCreateGpeBlock - * - * PARAMETERS: TBD - * - * RETURN: Status - * - * DESCRIPTION: Create and Install a block of GPE registers - * - ******************************************************************************/ - -ACPI_STATUS -AcpiEvCreateGpeBlock ( - char *Pathname, - ACPI_GENERIC_ADDRESS *GpeBlockAddress, - UINT32 RegisterCount, - UINT8 GpeBlockBaseNumber, - UINT32 InterruptLevel) -{ - ACPI_GPE_BLOCK_INFO *GpeBlock; - ACPI_STATUS Status; - ACPI_HANDLE ObjHandle; - - - ACPI_FUNCTION_TRACE ("EvCreateGpeBlock"); - - - if (!RegisterCount) - { - return_ACPI_STATUS (AE_OK); - } - - /* Get a handle to the parent object for this GPE block */ - - Status = AcpiGetHandle (NULL, Pathname, &ObjHandle); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Allocate a new GPE block */ - - GpeBlock = ACPI_MEM_CALLOCATE (sizeof (ACPI_GPE_BLOCK_INFO)); - if (!GpeBlock) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - /* Initialize the new GPE block */ - - GpeBlock->RegisterCount = RegisterCount; - GpeBlock->BlockBaseNumber = GpeBlockBaseNumber; - - ACPI_MEMCPY (&GpeBlock->BlockAddress, GpeBlockAddress, sizeof (ACPI_GENERIC_ADDRESS)); - - /* Create the RegisterInfo and EventInfo sub-structures */ - - Status = AcpiEvCreateGpeInfoBlocks (GpeBlock); - if (ACPI_FAILURE (Status)) - { - ACPI_MEM_FREE (GpeBlock); - return_ACPI_STATUS (Status); - } - - /* Install the new block in the global list(s) */ - /* TBD: Install block in the interrupt handler list */ - - Status = AcpiEvInstallGpeBlock (GpeBlock); - if (ACPI_FAILURE (Status)) - { - ACPI_MEM_FREE (GpeBlock); - return_ACPI_STATUS (Status); - } - - /* Dump info about this GPE block */ - - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "GPE Block: %X registers at %8.8X%8.8X\n", - GpeBlock->RegisterCount, - ACPI_HIDWORD (ACPI_GET_ADDRESS (GpeBlock->BlockAddress.Address)), - ACPI_LODWORD (ACPI_GET_ADDRESS (GpeBlock->BlockAddress.Address)))); - - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "GPE Block defined as GPE%d to GPE%d\n", - GpeBlock->BlockBaseNumber, - (UINT32) (GpeBlock->BlockBaseNumber + - ((GpeBlock->RegisterCount * ACPI_GPE_REGISTER_WIDTH) -1)))); - - /* Find all GPE methods (_Lxx, _Exx) for this block */ - - Status = AcpiWalkNamespace (ACPI_TYPE_METHOD, ObjHandle, - ACPI_UINT32_MAX, AcpiEvSaveMethodInfo, - GpeBlock, NULL); - - return_ACPI_STATUS (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiEvGpeInitialize - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Initialize the GPE data structures - * - ******************************************************************************/ - -ACPI_STATUS -AcpiEvGpeInitialize (void) -{ - UINT32 RegisterCount0 = 0; - UINT32 RegisterCount1 = 0; - UINT32 GpeNumberMax = 0; - - - ACPI_FUNCTION_TRACE ("EvGpeInitialize"); - - - /* - * Initialize the GPE Blocks defined in the FADT - * - * Why the GPE register block lengths are divided by 2: From the ACPI Spec, - * section "General-Purpose Event Registers", we have: - * - * "Each register block contains two registers of equal length - * GPEx_STS and GPEx_EN (where x is 0 or 1). The length of the - * GPE0_STS and GPE0_EN registers is equal to half the GPE0_LEN - * The length of the GPE1_STS and GPE1_EN registers is equal to - * half the GPE1_LEN. If a generic register block is not supported - * then its respective block pointer and block length values in the - * FADT table contain zeros. The GPE0_LEN and GPE1_LEN do not need - * to be the same size." - */ - - /* - * Determine the maximum GPE number for this machine. - * - * Note: both GPE0 and GPE1 are optional, and either can exist without - * the other. - * If EITHER the register length OR the block address are zero, then that - * particular block is not supported. - */ - if (AcpiGbl_FADT->Gpe0BlkLen && - ACPI_GET_ADDRESS (AcpiGbl_FADT->XGpe0Blk.Address)) - { - /* GPE block 0 exists (has both length and address > 0) */ - - RegisterCount0 = (UINT16) (AcpiGbl_FADT->Gpe0BlkLen / 2); - - GpeNumberMax = (RegisterCount0 * ACPI_GPE_REGISTER_WIDTH) - 1; - - AcpiEvCreateGpeBlock ("\\_GPE", &AcpiGbl_FADT->XGpe0Blk, - RegisterCount0, 0, AcpiGbl_FADT->SciInt); - } - - if (AcpiGbl_FADT->Gpe1BlkLen && - ACPI_GET_ADDRESS (AcpiGbl_FADT->XGpe1Blk.Address)) - { - /* GPE block 1 exists (has both length and address > 0) */ - - RegisterCount1 = (UINT16) (AcpiGbl_FADT->Gpe1BlkLen / 2); - - /* Check for GPE0/GPE1 overlap (if both banks exist) */ - - if ((RegisterCount0) && - (GpeNumberMax >= AcpiGbl_FADT->Gpe1Base)) - { - ACPI_REPORT_ERROR (( - "GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1\n", - GpeNumberMax, AcpiGbl_FADT->Gpe1Base, - AcpiGbl_FADT->Gpe1Base + - ((RegisterCount1 * ACPI_GPE_REGISTER_WIDTH) - 1))); - - /* Ignore GPE1 block by setting the register count to zero */ - - RegisterCount1 = 0; - } - else - { - AcpiEvCreateGpeBlock ("\\_GPE", &AcpiGbl_FADT->XGpe1Blk, - RegisterCount1, AcpiGbl_FADT->Gpe1Base, AcpiGbl_FADT->SciInt); - - /* - * GPE0 and GPE1 do not have to be contiguous in the GPE number space, - * But, GPE0 always starts at zero. - */ - GpeNumberMax = AcpiGbl_FADT->Gpe1Base + - ((RegisterCount1 * ACPI_GPE_REGISTER_WIDTH) - 1); - } - } - - /* Exit if there are no GPE registers */ - - if ((RegisterCount0 + RegisterCount1) == 0) - { - /* GPEs are not required by ACPI, this is OK */ - - ACPI_REPORT_INFO (("There are no GPE blocks defined in the FADT\n")); - return_ACPI_STATUS (AE_OK); - } - - /* Check for Max GPE number out-of-range */ - - if (GpeNumberMax > ACPI_GPE_MAX) - { - ACPI_REPORT_ERROR (("Maximum GPE number from FADT is too large: 0x%X\n", - GpeNumberMax)); - return_ACPI_STATUS (AE_BAD_VALUE); - } - - return_ACPI_STATUS (AE_OK); -} - - |