From 25b4bd1bff13aa059bb6415ec3a2644628501368 Mon Sep 17 00:00:00 2001 From: Cameron Gutman Date: Thu, 25 Mar 2010 00:23:41 +0000 Subject: [PATCH] [ACPI] * Add support for ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER_SIGNATURE and ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING_SIGNATURE * Cmbatt is able to set the battery trip point now svn path=/trunk/; revision=46416 --- reactos/drivers/bus/acpi/eval.c | 42 +++++++++++++++++++++++++++++---- 1 file changed, 38 insertions(+), 4 deletions(-) diff --git a/reactos/drivers/bus/acpi/eval.c b/reactos/drivers/bus/acpi/eval.c index a912e03372d..5433f96a51e 100644 --- a/reactos/drivers/bus/acpi/eval.c +++ b/reactos/drivers/bus/acpi/eval.c @@ -23,11 +23,13 @@ Bus_PDO_EvalMethod(PPDO_DEVICE_DATA DeviceData, { ULONG Signature; NTSTATUS Status; - ACPI_OBJECT_LIST *ParamList; + ACPI_OBJECT_LIST ParamList; PACPI_EVAL_INPUT_BUFFER EvalInputBuff = Irp->AssociatedIrp.SystemBuffer; ACPI_BUFFER RetBuff = {ACPI_ALLOCATE_BUFFER, NULL}; PACPI_EVAL_OUTPUT_BUFFER OutputBuf; PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp); + ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER *SimpleInt; + ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING *SimpleStr; if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ULONG)) return STATUS_INVALID_PARAMETER; @@ -40,10 +42,38 @@ Bus_PDO_EvalMethod(PPDO_DEVICE_DATA DeviceData, if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ACPI_EVAL_INPUT_BUFFER)) return STATUS_INVALID_PARAMETER; - ParamList = NULL; + ParamList.Count = 0; break; - /* FIXME: Support input parameters */ + case ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER_SIGNATURE: + SimpleInt = Irp->AssociatedIrp.SystemBuffer; + + if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER)) + return STATUS_INVALID_PARAMETER; + + ParamList.Count = 1; + + ParamList.Pointer = ExAllocatePool(NonPagedPool, sizeof(ACPI_OBJECT)); + if (!ParamList.Pointer) return STATUS_INSUFFICIENT_RESOURCES; + + ParamList.Pointer[0].Type = ACPI_TYPE_INTEGER; + ParamList.Pointer[0].Integer.Value = SimpleInt->IntegerArgument; + break; + + case ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING_SIGNATURE: + SimpleStr = Irp->AssociatedIrp.SystemBuffer; + + if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING)) + return STATUS_INVALID_PARAMETER; + + ParamList.Count = 1; + + ParamList.Pointer = ExAllocatePool(NonPagedPool, sizeof(ACPI_OBJECT)); + if (!ParamList.Pointer) return STATUS_INSUFFICIENT_RESOURCES; + + ParamList.Pointer[0].String.Pointer = (CHAR*)SimpleStr->String; + ParamList.Pointer[0].String.Length = SimpleStr->StringLength; + break; default: DPRINT1("Unsupported input buffer signature: %d\n", Signature); @@ -52,8 +82,12 @@ Bus_PDO_EvalMethod(PPDO_DEVICE_DATA DeviceData, Status = AcpiEvaluateObject(DeviceData->AcpiHandle, (CHAR*)EvalInputBuff->MethodName, - ParamList, + &ParamList, &RetBuff); + + if (ParamList.Count != 0) + ExFreePool(ParamList.Pointer); + if (ACPI_SUCCESS(Status)) { ACPI_OBJECT *Obj = RetBuff.Pointer; -- 2.17.1