diff options
Diffstat (limited to 'sys/contrib/dev/acpica/rsmisc.c')
| -rw-r--r-- | sys/contrib/dev/acpica/rsmisc.c | 671 |
1 files changed, 671 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/rsmisc.c b/sys/contrib/dev/acpica/rsmisc.c new file mode 100644 index 0000000..6150bde --- /dev/null +++ b/sys/contrib/dev/acpica/rsmisc.c @@ -0,0 +1,671 @@ +/******************************************************************************* + * + * Module Name: rsmisc - Miscellaneous resource descriptors + * $Revision: 1.46 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2007, 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. + * + *****************************************************************************/ + +#define __RSMISC_C__ + +#include <contrib/dev/acpica/acpi.h> +#include <contrib/dev/acpica/acresrc.h> + +#define _COMPONENT ACPI_RESOURCES + ACPI_MODULE_NAME ("rsmisc") + + +#define INIT_RESOURCE_TYPE(i) i->ResourceOffset +#define INIT_RESOURCE_LENGTH(i) i->AmlOffset +#define INIT_TABLE_LENGTH(i) i->Value + +#define COMPARE_OPCODE(i) i->ResourceOffset +#define COMPARE_TARGET(i) i->AmlOffset +#define COMPARE_VALUE(i) i->Value + + +/******************************************************************************* + * + * FUNCTION: AcpiRsConvertAmlToResource + * + * PARAMETERS: Resource - Pointer to the resource descriptor + * Aml - Where the AML descriptor is returned + * Info - Pointer to appropriate conversion table + * + * RETURN: Status + * + * DESCRIPTION: Convert an external AML resource descriptor to the corresponding + * internal resource descriptor + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsConvertAmlToResource ( + ACPI_RESOURCE *Resource, + AML_RESOURCE *Aml, + ACPI_RSCONVERT_INFO *Info) +{ + ACPI_RS_LENGTH AmlResourceLength; + void *Source; + void *Destination; + char *Target; + UINT8 Count; + UINT8 FlagsMode = FALSE; + UINT16 ItemCount = 0; + UINT16 Temp16 = 0; + + + ACPI_FUNCTION_TRACE (RsConvertAmlToResource); + + + if (((ACPI_NATIVE_UINT) Resource) & 0x3) + { + /* Each internal resource struct is expected to be 32-bit aligned */ + + ACPI_WARNING ((AE_INFO, + "Misaligned resource pointer (get): %p Type %2.2X Len %X", + Resource, Resource->Type, Resource->Length)); + } + + /* Extract the resource Length field (does not include header length) */ + + AmlResourceLength = AcpiUtGetResourceLength (Aml); + + /* + * First table entry must be ACPI_RSC_INITxxx and must contain the + * table length (# of table entries) + */ + Count = INIT_TABLE_LENGTH (Info); + + while (Count) + { + /* + * Source is the external AML byte stream buffer, + * destination is the internal resource descriptor + */ + Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); + Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); + + switch (Info->Opcode) + { + case ACPI_RSC_INITGET: + /* + * Get the resource type and the initial (minimum) length + */ + ACPI_MEMSET (Resource, 0, INIT_RESOURCE_LENGTH (Info)); + Resource->Type = INIT_RESOURCE_TYPE (Info); + Resource->Length = INIT_RESOURCE_LENGTH (Info); + break; + + + case ACPI_RSC_INITSET: + break; + + + case ACPI_RSC_FLAGINIT: + + FlagsMode = TRUE; + break; + + + case ACPI_RSC_1BITFLAG: + /* + * Mask and shift the flag bit + */ + ACPI_SET8 (Destination) = (UINT8) + ((ACPI_GET8 (Source) >> Info->Value) & 0x01); + break; + + + case ACPI_RSC_2BITFLAG: + /* + * Mask and shift the flag bits + */ + ACPI_SET8 (Destination) = (UINT8) + ((ACPI_GET8 (Source) >> Info->Value) & 0x03); + break; + + + case ACPI_RSC_COUNT: + + ItemCount = ACPI_GET8 (Source); + ACPI_SET8 (Destination) = (UINT8) ItemCount; + + Resource->Length = Resource->Length + + (Info->Value * (ItemCount - 1)); + break; + + + case ACPI_RSC_COUNT16: + + ItemCount = AmlResourceLength; + ACPI_SET16 (Destination) = ItemCount; + + Resource->Length = Resource->Length + + (Info->Value * (ItemCount - 1)); + break; + + + case ACPI_RSC_LENGTH: + + Resource->Length = Resource->Length + Info->Value; + break; + + + case ACPI_RSC_MOVE8: + case ACPI_RSC_MOVE16: + case ACPI_RSC_MOVE32: + case ACPI_RSC_MOVE64: + /* + * Raw data move. Use the Info value field unless ItemCount has + * been previously initialized via a COUNT opcode + */ + if (Info->Value) + { + ItemCount = Info->Value; + } + AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); + break; + + + case ACPI_RSC_SET8: + + ACPI_MEMSET (Destination, Info->AmlOffset, Info->Value); + break; + + + case ACPI_RSC_DATA8: + + Target = ACPI_ADD_PTR (char, Resource, Info->Value); + ACPI_MEMCPY (Destination, Source, ACPI_GET16 (Target)); + break; + + + case ACPI_RSC_ADDRESS: + /* + * Common handler for address descriptor flags + */ + if (!AcpiRsGetAddressCommon (Resource, Aml)) + { + return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); + } + break; + + + case ACPI_RSC_SOURCE: + /* + * Optional ResourceSource (Index and String) + */ + Resource->Length += + AcpiRsGetResourceSource (AmlResourceLength, Info->Value, + Destination, Aml, NULL); + break; + + + case ACPI_RSC_SOURCEX: + /* + * Optional ResourceSource (Index and String). This is the more + * complicated case used by the Interrupt() macro + */ + Target = ACPI_ADD_PTR (char, Resource, Info->AmlOffset + (ItemCount * 4)); + + Resource->Length += + AcpiRsGetResourceSource (AmlResourceLength, + (ACPI_RS_LENGTH) (((ItemCount - 1) * sizeof (UINT32)) + Info->Value), + Destination, Aml, Target); + break; + + + case ACPI_RSC_BITMASK: + /* + * 8-bit encoded bitmask (DMA macro) + */ + ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination); + if (ItemCount) + { + Resource->Length += (ItemCount - 1); + } + + Target = ACPI_ADD_PTR (char, Resource, Info->Value); + ACPI_SET8 (Target) = (UINT8) ItemCount; + break; + + + case ACPI_RSC_BITMASK16: + /* + * 16-bit encoded bitmask (IRQ macro) + */ + ACPI_MOVE_16_TO_16 (&Temp16, Source); + + ItemCount = AcpiRsDecodeBitmask (Temp16, Destination); + if (ItemCount) + { + Resource->Length += (ItemCount - 1); + } + + Target = ACPI_ADD_PTR (char, Resource, Info->Value); + ACPI_SET8 (Target) = (UINT8) ItemCount; + break; + + + case ACPI_RSC_EXIT_NE: + /* + * Control - Exit conversion if not equal + */ + switch (Info->ResourceOffset) + { + case ACPI_RSC_COMPARE_AML_LENGTH: + if (AmlResourceLength != Info->Value) + { + goto Exit; + } + break; + + case ACPI_RSC_COMPARE_VALUE: + if (ACPI_GET8 (Source) != Info->Value) + { + goto Exit; + } + break; + + default: + + ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + break; + + + default: + + ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + Count--; + Info++; + } + +Exit: + if (!FlagsMode) + { + /* Round the resource struct length up to the next boundary (32 or 64) */ + + Resource->Length = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length); + } + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsConvertResourceToAml + * + * PARAMETERS: Resource - Pointer to the resource descriptor + * Aml - Where the AML descriptor is returned + * Info - Pointer to appropriate conversion table + * + * RETURN: Status + * + * DESCRIPTION: Convert an internal resource descriptor to the corresponding + * external AML resource descriptor. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsConvertResourceToAml ( + ACPI_RESOURCE *Resource, + AML_RESOURCE *Aml, + ACPI_RSCONVERT_INFO *Info) +{ + void *Source = NULL; + void *Destination; + ACPI_RSDESC_SIZE AmlLength = 0; + UINT8 Count; + UINT16 Temp16 = 0; + UINT16 ItemCount = 0; + + + ACPI_FUNCTION_TRACE (RsConvertResourceToAml); + + + /* + * First table entry must be ACPI_RSC_INITxxx and must contain the + * table length (# of table entries) + */ + Count = INIT_TABLE_LENGTH (Info); + + while (Count) + { + /* + * Source is the internal resource descriptor, + * destination is the external AML byte stream buffer + */ + Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); + Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); + + switch (Info->Opcode) + { + case ACPI_RSC_INITSET: + + ACPI_MEMSET (Aml, 0, INIT_RESOURCE_LENGTH (Info)); + AmlLength = INIT_RESOURCE_LENGTH (Info); + AcpiRsSetResourceHeader (INIT_RESOURCE_TYPE (Info), AmlLength, Aml); + break; + + + case ACPI_RSC_INITGET: + break; + + + case ACPI_RSC_FLAGINIT: + /* + * Clear the flag byte + */ + ACPI_SET8 (Destination) = 0; + break; + + + case ACPI_RSC_1BITFLAG: + /* + * Mask and shift the flag bit + */ + ACPI_SET8 (Destination) |= (UINT8) + ((ACPI_GET8 (Source) & 0x01) << Info->Value); + break; + + + case ACPI_RSC_2BITFLAG: + /* + * Mask and shift the flag bits + */ + ACPI_SET8 (Destination) |= (UINT8) + ((ACPI_GET8 (Source) & 0x03) << Info->Value); + break; + + + case ACPI_RSC_COUNT: + + ItemCount = ACPI_GET8 (Source); + ACPI_SET8 (Destination) = (UINT8) ItemCount; + + AmlLength = (UINT16) (AmlLength + (Info->Value * (ItemCount - 1))); + break; + + + case ACPI_RSC_COUNT16: + + ItemCount = ACPI_GET16 (Source); + AmlLength = (UINT16) (AmlLength + ItemCount); + AcpiRsSetResourceLength (AmlLength, Aml); + break; + + + case ACPI_RSC_LENGTH: + + AcpiRsSetResourceLength (Info->Value, Aml); + break; + + + case ACPI_RSC_MOVE8: + case ACPI_RSC_MOVE16: + case ACPI_RSC_MOVE32: + case ACPI_RSC_MOVE64: + + if (Info->Value) + { + ItemCount = Info->Value; + } + AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); + break; + + + case ACPI_RSC_ADDRESS: + + /* Set the Resource Type, General Flags, and Type-Specific Flags */ + + AcpiRsSetAddressCommon (Aml, Resource); + break; + + + case ACPI_RSC_SOURCEX: + /* + * Optional ResourceSource (Index and String) + */ + AmlLength = AcpiRsSetResourceSource ( + Aml, (ACPI_RS_LENGTH) AmlLength, Source); + AcpiRsSetResourceLength (AmlLength, Aml); + break; + + + case ACPI_RSC_SOURCE: + /* + * Optional ResourceSource (Index and String). This is the more + * complicated case used by the Interrupt() macro + */ + AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source); + AcpiRsSetResourceLength (AmlLength, Aml); + break; + + + case ACPI_RSC_BITMASK: + /* + * 8-bit encoded bitmask (DMA macro) + */ + ACPI_SET8 (Destination) = (UINT8) + AcpiRsEncodeBitmask (Source, + *ACPI_ADD_PTR (UINT8, Resource, Info->Value)); + break; + + + case ACPI_RSC_BITMASK16: + /* + * 16-bit encoded bitmask (IRQ macro) + */ + Temp16 = AcpiRsEncodeBitmask (Source, + *ACPI_ADD_PTR (UINT8, Resource, Info->Value)); + ACPI_MOVE_16_TO_16 (Destination, &Temp16); + break; + + + case ACPI_RSC_EXIT_LE: + /* + * Control - Exit conversion if less than or equal + */ + if (ItemCount <= Info->Value) + { + goto Exit; + } + break; + + + case ACPI_RSC_EXIT_NE: + /* + * Control - Exit conversion if not equal + */ + switch (COMPARE_OPCODE (Info)) + { + case ACPI_RSC_COMPARE_VALUE: + + if (*ACPI_ADD_PTR (UINT8, Resource, + COMPARE_TARGET (Info)) != COMPARE_VALUE (Info)) + { + goto Exit; + } + break; + + default: + + ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + break; + + + default: + + ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + Count--; + Info++; + } + +Exit: + return_ACPI_STATUS (AE_OK); +} + + +#if 0 +/* Previous resource validations */ + + if (Aml->ExtAddress64.RevisionID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) + { + return_ACPI_STATUS (AE_SUPPORT); + } + + if (Resource->Data.StartDpf.PerformanceRobustness >= 3) + { + return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); + } + + if (((Aml->Irq.Flags & 0x09) == 0x00) || + ((Aml->Irq.Flags & 0x09) == 0x09)) + { + /* + * Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive] + * polarity/trigger interrupts are allowed (ACPI spec, section + * "IRQ Format"), so 0x00 and 0x09 are illegal. + */ + ACPI_ERROR ((AE_INFO, + "Invalid interrupt polarity/trigger in resource list, %X", + Aml->Irq.Flags)); + return_ACPI_STATUS (AE_BAD_DATA); + } + + Resource->Data.ExtendedIrq.InterruptCount = Temp8; + if (Temp8 < 1) + { + /* Must have at least one IRQ */ + + return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); + } + + if (Resource->Data.Dma.Transfer == 0x03) + { + ACPI_ERROR ((AE_INFO, + "Invalid DMA.Transfer preference (3)")); + return_ACPI_STATUS (AE_BAD_DATA); + } +#endif + + |
