root/src/add-ons/kernel/drivers/input/usb_hid/HIDDevice.h
/*
 * Copyright 2008-2011, Michael Lotz <mmlr@mlotz.ch>
 * Distributed under the terms of the MIT license.
 */
#ifndef USB_HID_DEVICE_H
#define USB_HID_DEVICE_H


#include "HIDParser.h"

#include <USB3.h>


class ProtocolHandler;


class HIDDevice {
public:
                                                                HIDDevice(usb_device device,
                                                                        const usb_configuration_info *config,
                                                                        size_t interfaceIndex, int32 quirkyIndex);
                                                                ~HIDDevice();

                        void                            SetParentCookie(int32 cookie);
                        int32                           ParentCookie() const { return fParentCookie; }

                        status_t                        InitCheck() const { return fStatus; }

                        bool                            IsOpen() const { return fOpenCount > 0; }
                        status_t                        Open(ProtocolHandler *handler, uint32 flags);
                        status_t                        Close(ProtocolHandler *handler);
                        int32                           OpenCount() const { return fOpenCount; }

                        void                            Removed();
                        bool                            IsRemoved() const { return fRemoved; }

                        status_t                        MaybeScheduleTransfer(HIDReport*);

                        status_t                        SendReport(HIDReport *report);

                        HIDParser &                     Parser() { return fParser; }
                        ProtocolHandler *       ProtocolHandlerAt(uint32 index) const;

                        // only to be used for the kernel debugger information
                        usb_pipe                        InterruptPipe() const { return fInterruptPipe; }

private:
        static  void                            _TransferCallback(void *cookie,
                                                                        status_t status, void *data,
                                                                        size_t actualLength);
        static  void                            _UnstallCallback(void *cookie,
                                                                        status_t status, void *data,
                                                                        size_t actualLength);

private:
                        status_t                        fStatus;
                        usb_device                      fDevice;
                        usb_pipe                        fInterruptPipe;
                        size_t                          fInterfaceIndex;
                        uint8                           fEndpointAddress;

                        int32                           fTransferScheduled;
                        size_t                          fTransferBufferSize;
                        uint8 *                         fTransferBuffer;

                        int32                           fParentCookie;
                        int32                           fOpenCount;
                        bool                            fRemoved;

                        HIDParser                       fParser;

                        uint32                          fProtocolHandlerCount;
                        ProtocolHandler *       fProtocolHandlerList;
};


#endif // USB_HID_DEVICE_H