114 lines
3.2 KiB
C++
114 lines
3.2 KiB
C++
/*
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* Haiku Backend for libusb
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* Copyright © 2014 Akshay Jaggi <akshay1994.leo@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <List.h>
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#include <Locker.h>
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#include <Autolock.h>
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#include <USBKit.h>
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#include <map>
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#include "libusbi.h"
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#include "haiku_usb_raw.h"
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using namespace std;
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class USBDevice;
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class USBDeviceHandle;
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class USBTransfer;
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class USBDevice {
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public:
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USBDevice(const char *);
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virtual ~USBDevice();
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const char* Location() const;
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uint8 CountConfigurations() const;
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const usb_device_descriptor* Descriptor() const;
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const usb_configuration_descriptor* ConfigurationDescriptor(uint32) const;
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const usb_configuration_descriptor* ActiveConfiguration() const;
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uint8 EndpointToIndex(uint8) const;
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uint8 EndpointToInterface(uint8) const;
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int ClaimInterface(int);
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int ReleaseInterface(int);
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int CheckInterfacesFree(int);
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int SetActiveConfiguration(int);
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int ActiveConfigurationIndex() const;
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bool InitCheck();
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private:
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int Initialise();
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unsigned int fClaimedInterfaces; // Max Interfaces can be 32. Using a bitmask
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usb_device_descriptor fDeviceDescriptor;
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unsigned char** fConfigurationDescriptors;
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int fActiveConfiguration;
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char* fPath;
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map<uint8,uint8> fConfigToIndex;
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map<uint8,uint8>* fEndpointToIndex;
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map<uint8,uint8>* fEndpointToInterface;
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bool fInitCheck;
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};
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class USBDeviceHandle {
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public:
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USBDeviceHandle(USBDevice *dev);
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virtual ~USBDeviceHandle();
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int ClaimInterface(int);
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int ReleaseInterface(int);
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int SetConfiguration(int);
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int SetAltSetting(int, int);
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int ClearHalt(int);
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status_t SubmitTransfer(struct usbi_transfer *);
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status_t CancelTransfer(USBTransfer *);
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bool InitCheck();
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private:
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int fRawFD;
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static status_t TransfersThread(void *);
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void TransfersWorker();
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USBDevice* fUSBDevice;
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unsigned int fClaimedInterfaces;
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BList fTransfers;
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BLocker fTransfersLock;
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sem_id fTransfersSem;
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thread_id fTransfersThread;
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bool fInitCheck;
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};
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class USBTransfer {
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public:
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USBTransfer(struct usbi_transfer *, USBDevice *);
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virtual ~USBTransfer();
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void Do(int);
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struct usbi_transfer* UsbiTransfer();
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void SetCancelled();
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bool IsCancelled();
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private:
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struct usbi_transfer* fUsbiTransfer;
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struct libusb_transfer* fLibusbTransfer;
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USBDevice* fUSBDevice;
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BLocker fStatusLock;
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bool fCancelled;
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};
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class USBRoster {
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public:
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USBRoster();
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virtual ~USBRoster();
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int Start();
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void Stop();
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private:
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void* fLooper;
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};
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