Initial publish

1 files changed, 257 insertions, 0 deletions

diff --git a/bluetooth/serialhcibus/WDK/device.c b/bluetooth/serialhcibus/WDK/device.c
new file mode 100644
index 00000000..11859e9f
--- /dev/null
+++ b/bluetooth/serialhcibus/WDK/device.c
@@ -0,0 +1,257 @@
+/*++
+
+Copyright (c) Microsoft Corporation All Rights Reserved
+
+Module Name:
+
+   Device.c
+
+Abstract:
+
+    This file handles device specific operations.
+
+Environment:
+
+    Kernel mode only
+
+--*/
+
+#include "driver.h"  
+#include "Device.tmh"
+    
+#ifdef ALLOC_PRAGMA
+#pragma alloc_text(PAGE, DeviceQueryDeviceParameters)
+#endif
+
+#define STR_BAUDRATE    L"BaudRateIndex"  
+
+VOID
+DeviceQueryDeviceParameters(
+    _In_ WDFDRIVER  _Driver
+)
+/*++
+Routine Description:
+
+    Query driver's registry location for device specific parameter, such as baudrate.
+
+        HLM\system\CCS\Services\serialhcibus\Parameters\
+        
+            KeyName/Type/value
+
+Arguments:
+
+    _Driver - WDF Driver object
+
+Return Value: 
+
+    None
+    
+--*/   
+{
+    WDFKEY Key;
+    NTSTATUS Status;
+    UNICODE_STRING ValueName;
+    ULONG Value = 0;
+
+    PAGED_CODE();    
+
+    Status = WdfDriverOpenParametersRegistryKey(_Driver,
+                                                GENERIC_READ,
+                                                WDF_NO_OBJECT_ATTRIBUTES,
+                                                &Key
+                                                );
+    if (NT_SUCCESS(Status)) {        
+
+        RtlInitUnicodeString(&ValueName, STR_BAUDRATE);
+        Status = WdfRegistryQueryULong(Key, &ValueName, &Value);
+        
+        if (NT_SUCCESS(Status)) {
+            // Vendor: can cache and use this values.
+        }
+       
+        WdfRegistryClose(Key);       
+    }
+    
+}
+
+
+NTSTATUS
+DeviceEnableWakeControl(
+    _In_  WDFDEVICE          _Device,
+    _In_  SYSTEM_POWER_STATE _PowerState    
+    )
+/*++
+
+Routine Description:
+
+    Vendor: This is a device specific function, and it arms the wake mechanism
+    for this driver to receive the wake signal.  This could be using an 
+    HOST_WAKE GPIO interrupt, or inband CTS/RTS mechanism.  
+
+Arguments:
+
+    _Device - WDF Device object
+    _PowerState - Context used for reading data from target UART device
+
+Return Value:
+
+    NTSTATUS
+    
+--*/      
+{
+    UNREFERENCED_PARAMETER(_Device);  
+    UNREFERENCED_PARAMETER(_PowerState);      
+    
+    return STATUS_SUCCESS;
+}
+
+VOID
+DeviceDisableWakeControl(
+    WDFDEVICE _Device
+    )
+/*++
+
+Routine Description:
+
+    Vendor: This is a device specific function, and it disarms the wake mechanism
+    for this driver to receive the wake signal.  
+
+Arguments:
+
+    _Device - WDF Device object
+
+Return Value:
+
+    VOID
+    
+--*/     
+{
+    UNREFERENCED_PARAMETER(_Device);
+   
+    return;
+}
+
+BOOLEAN
+DeviceInitialize(
+    _In_  PFDO_EXTENSION _FdoExtension,
+    _In_  WDFIOTARGET    _IoTargetSerial,
+    _In_  WDFREQUEST     _RequestSync,
+    _In_  BOOLEAN        _IsUartReset
+    )
+/*++
+Routine Description:
+
+    This function perform device specific operations to intialize in order
+    to bring the device to operational state.
+
+Arguments:
+
+    _FdoExtension - Function device object extension    
+
+    _IoTargetSerial - IO Target to issue request to serial port
+
+    _RequestSync - A reuseable WDF Request to issue serial control
+
+    -IsUartReset - Is UART Reset is required
+
+Return Value:
+
+    TRUE if initialization is completed and successful; FALSE otherwise.
+
+--*/    
+{
+    UNREFERENCED_PARAMETER(_FdoExtension);    
+    UNREFERENCED_PARAMETER(_IoTargetSerial);
+    UNREFERENCED_PARAMETER(_RequestSync);
+    UNREFERENCED_PARAMETER(_IsUartReset);    
+
+    //
+    // Vendor specifc operation;
+    // 
+
+    return TRUE;
+}
+
+NTSTATUS
+DeviceEnable(
+    _In_ WDFDEVICE _Device,
+    _In_ BOOLEAN   _IsEnabled
+    )
+
+/*++
+
+Routine Description:
+
+    This function enable/wake serial bus device.
+
+Arguments:
+
+    _Device - Supplies a handle to the framework device object.
+
+    _IsEnabled - Boolean to enable or disable the BT device.
+    
+
+Return Value:
+
+    NTSTATUS code. 
+
+--*/
+
+{
+    UNREFERENCED_PARAMETER(_Device);  
+    UNREFERENCED_PARAMETER(_IsEnabled);  
+    
+    return STATUS_SUCCESS;
+}
+
+
+NTSTATUS 
+DevicePowerOn(
+    _In_  WDFDEVICE _Device
+)
+/*++
+
+Routine Description:
+
+    This routine powers on the serial bus device
+
+Arguments:
+
+    _Device - Supplies a handle to the framework device object.
+
+Return Value:
+
+    NT status code.
+
+--*/
+{
+    UNREFERENCED_PARAMETER(_Device);    
+    
+    return STATUS_SUCCESS;
+}
+
+NTSTATUS 
+DevicePowerOff(
+    _In_  WDFDEVICE _Device
+)
+/*++
+
+Routine Description:
+
+    This routine powers off the serial bus device
+
+Arguments:
+
+    _Device - Supplies a handle to the framework device object.
+
+Return Value:
+
+    NT status code.
+
+--*/
+{
+    UNREFERENCED_PARAMETER(_Device);    
+    
+    return STATUS_SUCCESS;
+}
+