/*
 * usbcamdi.h
 *
 * USB Camera driver interface.
 *
 * This file is part of the ReactOS PSDK package.
 *
 * Contributors:
 *   Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
 *
 * THIS SOFTWARE IS NOT COPYRIGHTED
 *
 * This source code is offered for use in the public domain. You may
 * use, modify or distribute it freely.
 *
 * This code is distributed in the hope that it will be useful but
 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
 * DISCLAIMED. This includes but is not limited to warranties of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 */

#pragma once

#ifdef __cplusplus
extern "C" {
#endif

#if defined(_BATTERYCLASS_)
# define USBCAMAPI
#else
# define USBCAMAPI DECLSPEC_IMPORT
#endif

typedef struct _pipe_config_descriptor {
  CHAR StreamAssociation;
  UCHAR PipeConfigFlags;
} USBCAMD_Pipe_Config_Descriptor, *PUSBCAMD_Pipe_Config_Descriptor;

#define USBCAMD_DATA_PIPE                 0x0001
#define USBCAMD_MULTIPLEX_PIPE            0x0002
#define USBCAMD_SYNC_PIPE                 0x0004
#define USBCAMD_DONT_CARE_PIPE            0x0008

#define USBCAMD_VIDEO_STREAM              0x1
#define USBCAMD_STILL_STREAM              0x2
#define USBCAMD_VIDEO_STILL_STREAM        (USBCAMD_VIDEO_STREAM | USBCAMD_STILL_STREAM)

#define USBCAMD_PROCESSPACKETEX_DropFrame             0x0002
#define USBCAMD_PROCESSPACKETEX_NextFrameIsStill      0x0004
#define USBCAMD_PROCESSPACKETEX_CurrentFrameIsStill   0x0008

#define USBCAMD_STOP_STREAM               0x00000001
#define USBCAMD_START_STREAM              0x00000000

typedef enum {
  USBCAMD_CamControlFlag_NoVideoRawProcessing = 1,
  USBCAMD_CamControlFlag_NoStillRawProcessing = 2,
  USBCAMD_CamControlFlag_AssociatedFormat = 4,
  USBCAMD_CamControlFlag_EnableDeviceEvents = 8
} USBCAMD_CamControlFlags;

typedef NTSTATUS
(NTAPI *PCOMMAND_COMPLETE_FUNCTION)(
  IN PVOID DeviceContext,
  IN OUT PVOID CommandContext,
  IN NTSTATUS NtStatus);

typedef VOID
(NTAPI *PSTREAM_RECEIVE_PACKET)(
  IN PVOID Srb,
  IN PVOID DeviceContext,
  IN PBOOLEAN Completed);

typedef NTSTATUS
(NTAPI *PCAM_INITIALIZE_ROUTINE)(
  PDEVICE_OBJECT BusDeviceObject,
  PVOID DeviceContext);

typedef NTSTATUS
(NTAPI *PCAM_CONFIGURE_ROUTINE)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN PUSBD_INTERFACE_INFORMATION Interface,
  IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
  IN PLONG DataPipeIndex,
  IN PLONG SyncPipeIndex);

typedef NTSTATUS
(NTAPI *PCAM_CONFIGURE_ROUTINE_EX)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN PUSBD_INTERFACE_INFORMATION Interface,
  IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
  IN ULONG PipeConfigListSize,
  IN PUSBCAMD_Pipe_Config_Descriptor PipeConfig,
  IN PUSB_DEVICE_DESCRIPTOR DeviceDescriptor);

typedef NTSTATUS
(NTAPI *PCAM_START_CAPTURE_ROUTINE)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext);

typedef NTSTATUS
(NTAPI *PCAM_START_CAPTURE_ROUTINE_EX)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN ULONG StreamNumber);

typedef NTSTATUS
(NTAPI *PCAM_ALLOCATE_BW_ROUTINE)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN PULONG RawFrameLength,
  IN PVOID Format);

typedef NTSTATUS
(NTAPI *PCAM_ALLOCATE_BW_ROUTINE_EX)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN PULONG RawFrameLength,
  IN PVOID Format,
  IN ULONG StreamNumber);

typedef NTSTATUS
(NTAPI *PCAM_FREE_BW_ROUTINE)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext);

typedef NTSTATUS
(NTAPI *PCAM_FREE_BW_ROUTINE_EX)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN ULONG StreamNumber);

typedef VOID
(NTAPI *PADAPTER_RECEIVE_PACKET_ROUTINE)(
  IN OUT PHW_STREAM_REQUEST_BLOCK Srb);

typedef NTSTATUS
(NTAPI *PCAM_STOP_CAPTURE_ROUTINE)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext);

typedef NTSTATUS
(NTAPI *PCAM_STOP_CAPTURE_ROUTINE_EX)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN ULONG StreamNumber);

typedef ULONG
(NTAPI *PCAM_PROCESS_PACKET_ROUTINE)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN PVOID CurrentFrameContext,
  IN PUSBD_ISO_PACKET_DESCRIPTOR SyncPacket OPTIONAL,
  IN PVOID SyncBuffer OPTIONAL,
  IN PUSBD_ISO_PACKET_DESCRIPTOR DataPacket OPTIONAL,
  IN OUT PVOID DataBuffer,
  OUT PBOOLEAN FrameComplete,
  OUT PBOOLEAN NextFrameIsStill);

typedef ULONG
(NTAPI *PCAM_PROCESS_PACKET_ROUTINE_EX)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN PVOID CurrentFrameContext,
  IN PUSBD_ISO_PACKET_DESCRIPTOR SyncPacket OPTIONAL,
  IN PVOID SyncBuffer OPTIONAL,
  IN PUSBD_ISO_PACKET_DESCRIPTOR DataPacket OPTIONAL,
  IN OUT PVOID DataBuffer,
  OUT PBOOLEAN FrameComplete,
  OUT PULONG PacketFlag,
  OUT PULONG ValidDataOffset);

typedef VOID
(NTAPI *PCAM_NEW_FRAME_ROUTINE)(
  IN PVOID DeviceContext,
  IN PVOID FrameContext);

typedef VOID
(NTAPI *PCAM_NEW_FRAME_ROUTINE_EX)(
  IN PVOID DeviceContext,
  IN PVOID FrameContext,
  IN ULONG StreamNumber,
  OUT PULONG FrameLength);

typedef NTSTATUS
(NTAPI *PCAM_PROCESS_RAW_FRAME_ROUTINE)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN PVOID FrameContext,
  IN PVOID FrameBuffer,
  IN ULONG FrameLength,
  OUT PVOID RawFrameBuffer,
  IN ULONG RawFrameLength,
  IN ULONG NumberOfPackets,
  OUT PULONG BytesReturned);

typedef NTSTATUS
(NTAPI *PCAM_PROCESS_RAW_FRAME_ROUTINE_EX)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext,
  IN PVOID FrameContext,
  IN PVOID FrameBuffer,
  IN ULONG FrameLength,
  OUT PVOID RawFrameBuffer,
  IN ULONG RawFrameLength,
  IN ULONG NumberOfPackets,
  OUT PULONG BytesReturned,
  IN ULONG ActualRawFrameLength,
  IN ULONG StreamNumber);

typedef NTSTATUS
(NTAPI *PCAM_STATE_ROUTINE)(
  IN PDEVICE_OBJECT BusDeviceObject,
  IN PVOID DeviceContext);

#if defined(DEBUG_LOG)

USBCAMAPI
VOID
NTAPI
USBCAMD_Debug_LogEntry(
  IN CHAR *Name,
  IN ULONG Info1,
  IN ULONG Info2,
  IN ULONG Info3);

#define ILOGENTRY(sig, info1, info2, info3) \
  USBCAMD_Debug_LogEntry(sig, (ULONG)info1, (ULONG)info2, (ULONG)info3)

#else

#define ILOGENTRY(sig, info1, info2, info3)

#endif /* DEBUG_LOG */

typedef struct _USBCAMD_DEVICE_DATA {
  ULONG Sig;
  PCAM_INITIALIZE_ROUTINE CamInitialize;
  PCAM_INITIALIZE_ROUTINE CamUnInitialize;
  PCAM_PROCESS_PACKET_ROUTINE CamProcessUSBPacket;
  PCAM_NEW_FRAME_ROUTINE CamNewVideoFrame;
  PCAM_PROCESS_RAW_FRAME_ROUTINE CamProcessRawVideoFrame;
  PCAM_START_CAPTURE_ROUTINE CamStartCapture;
  PCAM_STOP_CAPTURE_ROUTINE CamStopCapture;
  PCAM_CONFIGURE_ROUTINE CamConfigure;
  PCAM_STATE_ROUTINE CamSaveState;
  PCAM_STATE_ROUTINE CamRestoreState;
  PCAM_ALLOCATE_BW_ROUTINE CamAllocateBandwidth;
  PCAM_FREE_BW_ROUTINE CamFreeBandwidth;
} USBCAMD_DEVICE_DATA, *PUSBCAMD_DEVICE_DATA;

typedef struct _USBCAMD_DEVICE_DATA2 {
  ULONG Sig;
  PCAM_INITIALIZE_ROUTINE CamInitialize;
  PCAM_INITIALIZE_ROUTINE CamUnInitialize;
  PCAM_PROCESS_PACKET_ROUTINE_EX CamProcessUSBPacketEx;
  PCAM_NEW_FRAME_ROUTINE_EX CamNewVideoFrameEx;
  PCAM_PROCESS_RAW_FRAME_ROUTINE_EX CamProcessRawVideoFrameEx;
  PCAM_START_CAPTURE_ROUTINE_EX CamStartCaptureEx;
  PCAM_STOP_CAPTURE_ROUTINE_EX CamStopCaptureEx;
  PCAM_CONFIGURE_ROUTINE_EX CamConfigureEx;
  PCAM_STATE_ROUTINE CamSaveState;
  PCAM_STATE_ROUTINE CamRestoreState;
  PCAM_ALLOCATE_BW_ROUTINE_EX CamAllocateBandwidthEx;
  PCAM_FREE_BW_ROUTINE_EX CamFreeBandwidthEx;
} USBCAMD_DEVICE_DATA2, *PUSBCAMD_DEVICE_DATA2;

DEFINE_GUID(GUID_USBCAMD_INTERFACE,
  0x2bcb75c0, 0xb27f, 0x11d1, 0xba, 0x41, 0x0, 0xa0, 0xc9, 0xd, 0x2b, 0x5);

typedef NTSTATUS
(NTAPI *PFNUSBCAMD_SetVideoFormat)(
  IN PVOID DeviceContext,
  IN PHW_STREAM_REQUEST_BLOCK pSrb);

typedef NTSTATUS
(NTAPI *PFNUSBCAMD_WaitOnDeviceEvent)(
  IN PVOID DeviceContext,
  IN ULONG PipeIndex,
  IN PVOID Buffer,
  IN ULONG BufferLength,
  IN PCOMMAND_COMPLETE_FUNCTION EventComplete,
  IN PVOID EventContext,
  IN BOOLEAN LoopBack);

typedef NTSTATUS
(NTAPI *PFNUSBCAMD_CancelBulkReadWrite)(
  IN PVOID DeviceContext,
  IN ULONG PipeIndex);

typedef NTSTATUS
(NTAPI *PFNUSBCAMD_SetIsoPipeState)(
  IN PVOID DeviceContext,
  IN ULONG PipeStateFlags);

typedef NTSTATUS
(NTAPI *PFNUSBCAMD_BulkReadWrite)(
  IN PVOID DeviceContext,
  IN USHORT PipeIndex,
  IN PVOID Buffer,
  IN ULONG BufferLength,
  IN PCOMMAND_COMPLETE_FUNCTION CommandComplete,
  IN PVOID CommandContext);

#define USBCAMD_VERSION_200               0x200

typedef struct _USBCAMD_INTERFACE {
  INTERFACE Interface;
  PFNUSBCAMD_WaitOnDeviceEvent USBCAMD_WaitOnDeviceEvent;
  PFNUSBCAMD_BulkReadWrite USBCAMD_BulkReadWrite;
  PFNUSBCAMD_SetVideoFormat USBCAMD_SetVideoFormat;
  PFNUSBCAMD_SetIsoPipeState USBCAMD_SetIsoPipeState;
  PFNUSBCAMD_CancelBulkReadWrite USBCAMD_CancelBulkReadWrite;
} USBCAMD_INTERFACE, *PUSBCAMD_INTERFACE;

/* FIXME : Do we need USBCAMAPI here ? */

USBCAMAPI
ULONG
NTAPI
USBCAMD_DriverEntry(
  IN PVOID Context1,
  IN PVOID Context2,
  IN ULONG DeviceContextSize,
  IN ULONG FrameContextSize,
  IN PADAPTER_RECEIVE_PACKET_ROUTINE ReceivePacket);

USBCAMAPI
PVOID
NTAPI
USBCAMD_AdapterReceivePacket(
  IN PHW_STREAM_REQUEST_BLOCK Srb,
  IN PUSBCAMD_DEVICE_DATA DeviceData,
  IN PDEVICE_OBJECT *DeviceObject,
  IN BOOLEAN NeedsCompletion);

USBCAMAPI
NTSTATUS
NTAPI
USBCAMD_ControlVendorCommand(
  IN PVOID DeviceContext,
  IN UCHAR Request,
  IN USHORT Value,
  IN USHORT Index,
  IN OUT PVOID Buffer,
  IN OUT PULONG BufferLength,
  IN BOOLEAN GetData,
  IN PCOMMAND_COMPLETE_FUNCTION CommandComplete OPTIONAL,
  IN PVOID CommandContext OPTIONAL);

USBCAMAPI
NTSTATUS
NTAPI
USBCAMD_SelectAlternateInterface(
  IN PVOID DeviceContext,
  IN OUT PUSBD_INTERFACE_INFORMATION RequestInterface);

USBCAMAPI
NTSTATUS
NTAPI
USBCAMD_GetRegistryKeyValue(
  IN HANDLE Handle,
  IN PWCHAR KeyNameString,
  IN ULONG KeyNameStringLength,
  IN PVOID Data,
  IN ULONG DataLength);

USBCAMAPI
ULONG
NTAPI
USBCAMD_InitializeNewInterface(
  IN PVOID DeviceContext,
  IN PVOID DeviceData,
  IN ULONG Version,
  IN ULONG CamControlFlag);

#ifdef __cplusplus
}
#endif

#endif /* !defined(__USB_H) && !defined(__USBDI_H) */