diff options
Diffstat (limited to 'sys/contrib/dev/acpica/components/utilities/utids.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/utilities/utids.c | 193 |
1 files changed, 110 insertions, 83 deletions
diff --git a/sys/contrib/dev/acpica/components/utilities/utids.c b/sys/contrib/dev/acpica/components/utilities/utids.c index 7d31429..4c8a8be 100644 --- a/sys/contrib/dev/acpica/components/utilities/utids.c +++ b/sys/contrib/dev/acpica/components/utilities/utids.c @@ -1,11 +1,11 @@ /****************************************************************************** * - * Module Name: utids - support for device IDs - HID, UID, CID + * Module Name: utids - support for device IDs - HID, UID, CID, SUB, CLS * *****************************************************************************/ /* - * Copyright (C) 2000 - 2015, Intel Corp. + * Copyright (C) 2000 - 2016, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -83,7 +83,7 @@ AcpiUtExecute_HID ( Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__HID, - ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc); + ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); @@ -102,7 +102,8 @@ AcpiUtExecute_HID ( /* Allocate a buffer for the HID */ - Hid = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_PNP_DEVICE_ID) + (ACPI_SIZE) Length); + Hid = ACPI_ALLOCATE_ZEROED ( + sizeof (ACPI_PNP_DEVICE_ID) + (ACPI_SIZE) Length); if (!Hid) { Status = AE_NO_MEMORY; @@ -121,7 +122,7 @@ AcpiUtExecute_HID ( } else { - ACPI_STRCPY (Hid->String, ObjDesc->String.Pointer); + strcpy (Hid->String, ObjDesc->String.Pointer); } Hid->Length = Length; @@ -139,77 +140,6 @@ Cleanup: /******************************************************************************* * - * FUNCTION: AcpiUtExecute_SUB - * - * PARAMETERS: DeviceNode - Node for the device - * ReturnId - Where the _SUB is returned - * - * RETURN: Status - * - * DESCRIPTION: Executes the _SUB control method that returns the subsystem - * ID of the device. The _SUB value is always a string containing - * either a valid PNP or ACPI ID. - * - * NOTE: Internal function, no parameter validation - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtExecute_SUB ( - ACPI_NAMESPACE_NODE *DeviceNode, - ACPI_PNP_DEVICE_ID **ReturnId) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_PNP_DEVICE_ID *Sub; - UINT32 Length; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (UtExecute_SUB); - - - Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__SUB, - ACPI_BTYPE_STRING, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Get the size of the String to be returned, includes null terminator */ - - Length = ObjDesc->String.Length + 1; - - /* Allocate a buffer for the SUB */ - - Sub = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_PNP_DEVICE_ID) + (ACPI_SIZE) Length); - if (!Sub) - { - Status = AE_NO_MEMORY; - goto Cleanup; - } - - /* Area for the string starts after PNP_DEVICE_ID struct */ - - Sub->String = ACPI_ADD_PTR (char, Sub, sizeof (ACPI_PNP_DEVICE_ID)); - - /* Simply copy existing string */ - - ACPI_STRCPY (Sub->String, ObjDesc->String.Pointer); - Sub->Length = Length; - *ReturnId = Sub; - - -Cleanup: - - /* On exit, we must delete the return object */ - - AcpiUtRemoveReference (ObjDesc); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * * FUNCTION: AcpiUtExecute_UID * * PARAMETERS: DeviceNode - Node for the device @@ -241,7 +171,7 @@ AcpiUtExecute_UID ( Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__UID, - ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc); + ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); @@ -260,7 +190,8 @@ AcpiUtExecute_UID ( /* Allocate a buffer for the UID */ - Uid = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_PNP_DEVICE_ID) + (ACPI_SIZE) Length); + Uid = ACPI_ALLOCATE_ZEROED ( + sizeof (ACPI_PNP_DEVICE_ID) + (ACPI_SIZE) Length); if (!Uid) { Status = AE_NO_MEMORY; @@ -279,7 +210,7 @@ AcpiUtExecute_UID ( } else { - ACPI_STRCPY (Uid->String, ObjDesc->String.Pointer); + strcpy (Uid->String, ObjDesc->String.Pointer); } Uid->Length = Length; @@ -341,8 +272,8 @@ AcpiUtExecute_CID ( /* Evaluate the _CID method for this device */ Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__CID, - ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_PACKAGE, - &ObjDesc); + ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_PACKAGE, + &ObjDesc); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); @@ -419,14 +350,15 @@ AcpiUtExecute_CID ( { /* Convert the Integer (EISAID) CID to a string */ - AcpiExEisaIdToString (NextIdString, CidObjects[i]->Integer.Value); + AcpiExEisaIdToString ( + NextIdString, CidObjects[i]->Integer.Value); Length = ACPI_EISAID_STRING_SIZE; } else /* ACPI_TYPE_STRING */ { /* Copy the String CID from the returned object */ - ACPI_STRCPY (NextIdString, CidObjects[i]->String.Pointer); + strcpy (NextIdString, CidObjects[i]->String.Pointer); Length = CidObjects[i]->String.Length + 1; } @@ -449,3 +381,98 @@ Cleanup: AcpiUtRemoveReference (ObjDesc); return_ACPI_STATUS (Status); } + + +/******************************************************************************* + * + * FUNCTION: AcpiUtExecute_CLS + * + * PARAMETERS: DeviceNode - Node for the device + * ReturnId - Where the _CLS is returned + * + * RETURN: Status + * + * DESCRIPTION: Executes the _CLS control method that returns PCI-defined + * class code of the device. The _CLS value is always a package + * containing PCI class information as a list of integers. + * The returned string has format "BBSSPP", where: + * BB = Base-class code + * SS = Sub-class code + * PP = Programming Interface code + * + ******************************************************************************/ + +ACPI_STATUS +AcpiUtExecute_CLS ( + ACPI_NAMESPACE_NODE *DeviceNode, + ACPI_PNP_DEVICE_ID **ReturnId) +{ + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_OPERAND_OBJECT **ClsObjects; + UINT32 Count; + ACPI_PNP_DEVICE_ID *Cls; + UINT32 Length; + ACPI_STATUS Status; + UINT8 ClassCode[3] = {0, 0, 0}; + + + ACPI_FUNCTION_TRACE (UtExecute_CLS); + + + Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__CLS, + ACPI_BTYPE_PACKAGE, &ObjDesc); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Get the size of the String to be returned, includes null terminator */ + + Length = ACPI_PCICLS_STRING_SIZE; + ClsObjects = ObjDesc->Package.Elements; + Count = ObjDesc->Package.Count; + + if (ObjDesc->Common.Type == ACPI_TYPE_PACKAGE) + { + if (Count > 0 && ClsObjects[0]->Common.Type == ACPI_TYPE_INTEGER) + { + ClassCode[0] = (UINT8) ClsObjects[0]->Integer.Value; + } + if (Count > 1 && ClsObjects[1]->Common.Type == ACPI_TYPE_INTEGER) + { + ClassCode[1] = (UINT8) ClsObjects[1]->Integer.Value; + } + if (Count > 2 && ClsObjects[2]->Common.Type == ACPI_TYPE_INTEGER) + { + ClassCode[2] = (UINT8) ClsObjects[2]->Integer.Value; + } + } + + /* Allocate a buffer for the CLS */ + + Cls = ACPI_ALLOCATE_ZEROED ( + sizeof (ACPI_PNP_DEVICE_ID) + (ACPI_SIZE) Length); + if (!Cls) + { + Status = AE_NO_MEMORY; + goto Cleanup; + } + + /* Area for the string starts after PNP_DEVICE_ID struct */ + + Cls->String = ACPI_ADD_PTR (char, Cls, sizeof (ACPI_PNP_DEVICE_ID)); + + /* Simply copy existing string */ + + AcpiExPciClsToString (Cls->String, ClassCode); + Cls->Length = Length; + *ReturnId = Cls; + + +Cleanup: + + /* On exit, we must delete the return object */ + + AcpiUtRemoveReference (ObjDesc); + return_ACPI_STATUS (Status); +} |
