172 lines
4.2 KiB
C++
172 lines
4.2 KiB
C++
// Copyright (c) 1998 Microsoft Corporation
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//
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// Kernel mode DirectMusic DLS level 1 Software Synthesizer
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//
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//
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// All the GUIDS for all the miniports end up in this object.
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//
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#define PUT_GUIDS_HERE
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#define STR_MODULENAME "kmsynth: "
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#define MAX_MINIPORTS 1
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#include "common.h"
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#include "private.h"
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#if (DBG)
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#define SUCCEEDS(s) ASSERT(NT_SUCCESS(s))
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#else
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#define SUCCEEDS(s) (s)
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#endif
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NTSTATUS
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AddDevice
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(
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IN PVOID Context1, // Context for the class driver.
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IN PVOID Context2 // Context for the class driver.
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);
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NTSTATUS
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StartDevice
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(
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IN PVOID Context1, // Context for the class driver.
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IN PVOID Context2, // Context for the class driver.
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IN PRESOURCELIST ResourceList // List of hardware resources.
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);
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#pragma code_seg("PAGE")
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/*****************************************************************************
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* DriverEntry()
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*****************************************************************************
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* This function is called by the operating system when the driver is loaded.
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* All adapter drivers can use this code without change.
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*/
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extern "C"
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NTSTATUS
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DriverEntry
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(
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IN PVOID Context1, // Context for the class driver.
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IN PVOID Context2 // Context for the class driver.
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)
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{
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PAGED_CODE();
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//
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// Tell the class driver to initialize the driver.
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//
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return InitializeAdapterDriver(Context1,Context2, AddDevice);
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}
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/*****************************************************************************
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* AddDevice()
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*****************************************************************************
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* This function is called by the operating system when the device is added.
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* All adapter drivers can use this code without change.
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*/
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NTSTATUS
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AddDevice
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(
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IN PVOID Context1, // Context for the class driver.
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IN PVOID Context2 // Context for the class driver.
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)
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{
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PAGED_CODE();
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//
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// Tell the class driver to add the device.
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//
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return AddAdapterDevice(Context1,Context2, StartDevice,MAX_MINIPORTS);
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}
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/*****************************************************************************
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* StartDevice()
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*****************************************************************************
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* This function is called by the operating system when the device is started.
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* It is responsible for starting the miniports. This code is specific to
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* the adapter because it calls out miniports for functions that are specific
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* to the adapter.
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*/
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NTSTATUS
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StartDevice
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(
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IN PVOID Context1, // Context for the class driver.
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IN PVOID Context2, // Context for the class driver.
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IN PRESOURCELIST ResourceList // List of hardware resources.
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)
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{
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PAGED_CODE();
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ASSERT(Context1);
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ASSERT(Context2);
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ASSERT(ResourceList);
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// We only care about having a dummy MIDI miniport
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//
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PPORT port;
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NTSTATUS nt = NewPort(&port, CLSID_PortSynthesizer);
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if (!NT_SUCCESS(nt))
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{
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return nt;
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}
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PUNKNOWN pPortInterface;
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nt = port->QueryInterface(IID_IPortSynthesizer, (LPVOID*)&pPortInterface);
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if (!NT_SUCCESS(nt))
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{
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port->Release();
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return nt;
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}
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PUNKNOWN miniport;
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nt = CreateMiniportDmSynth(&miniport, NULL, NonPagedPool);
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if (!NT_SUCCESS(nt))
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{
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pPortInterface->Release();
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port->Release();
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return nt;
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}
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nt = port->Init(Context1, Context2, miniport, NULL, ResourceList);
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if (!NT_SUCCESS(nt))
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{
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pPortInterface->Release();
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port->Release();
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miniport->Release();
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return nt;
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}
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nt = RegisterSubdevice(Context1, Context2, L"MSSWSynth", port);
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if (!NT_SUCCESS(nt))
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{
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pPortInterface->Release();
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port->Release();
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miniport->Release();
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return nt;
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}
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return nt;
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}
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#pragma code_seg()
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/*****************************************************************************
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* _purecall()
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*****************************************************************************
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* The C++ compiler loves me.
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* TODO: Figure out how to put this into portcls.sys
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*/
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int __cdecl
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_purecall( void )
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{
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ASSERT( !"Pure virtual function called" );
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return 0;
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}
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