Rw11CntlDZ11.hpp

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// $Id: Rw11CntlDZ11.hpp 1185 2019-07-12 17:29:12Z mueller $
// SPDX-License-Identifier: GPL-3.0-or-later
// Copyright 2019- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
// 
// Revision History: 
// Date         Rev Version  Comment
// 2019-05-19  1150   1.0    Initial version
// 2019-05-04  1146   0.1    First draft
// ---------------------------------------------------------------------------
 
 
#ifndef included_Retro_Rw11CntlDZ11
#define included_Retro_Rw11CntlDZ11 1
 
#include "Rw11CntlBase.hpp"
#include "Rw11UnitDZ11.hpp"
 
namespace Retro {
 
  class Rw11CntlDZ11 : public Rw11CntlBase<Rw11UnitDZ11,8> {
    public:
 
                    Rw11CntlDZ11();
                   ~Rw11CntlDZ11();
 
      void          Config(const std::string& name, uint16_t base, int lam);
 
      virtual void  Start();
 
      virtual void  UnitSetup(size_t ind);
      virtual void  UnitSetupAll();
      void          Wakeup();
 
      void          SetRxQlim(uint16_t qlim);
      uint16_t      RxQlim() const;
      void          SetRxRlim(uint16_t rlim);
      uint16_t      RxRlim() const;
      void          SetTxRlim(uint16_t rlim);
      uint16_t      TxRlim() const;
      void          SetModCntl(bool modcntl);
      bool          ModCntl() const;
    
      uint16_t      Itype() const;
      bool          Buffered() const;
      uint16_t      FifoSize() const;
 
      virtual void  Dump(std::ostream& os, int ind=0, const char* text=0,
                         int detail=0) const;
 
    // some constants (also defined in cpp)
      static const uint16_t kIbaddr = 0160100; 
      static const int      kLam    = 3;       
 
      static const uint16_t kCNTL = 000; 
      static const uint16_t kSTAT = 002; 
      static const uint16_t kFUSE = 004; 
      static const uint16_t kFDAT = 006; 
 
      static const uint16_t kProbeOff = kCNTL; 
      static const bool     kProbeInt = true;  
      static const bool     kProbeRem = true;  
 
      static const uint16_t kFifoMaxSize  = 127;     
 
    // cntl read view
      static const uint16_t kCNTL_V_AWDTH  =  8;      
      static const uint16_t kCNTL_B_AWDTH  = 0007;    
      static const uint16_t kCNTL_V_SSEL   =  3;      
      static const uint16_t kCNTL_B_SSEL   = 0003;    
      static const uint16_t kCNTL_M_MSE    = kWBit02; 
      static const uint16_t kCNTL_M_MAINT  = kWBit01; 
    // cntl write view
      static const uint16_t kCNTL_V_DATA   =  8;      
      static const uint16_t kCNTL_B_DATA   = 0377;    
      static const uint16_t kCNTL_V_RRLIM  = 12;      
      static const uint16_t kCNTL_B_RRLIM  = 0007;    
      static const uint16_t kCNTL_V_TRLIM  =  8;      
      static const uint16_t kCNTL_B_TRLIM  = 0007;    
      static const uint16_t kCNTL_M_RCLR   = kWBit06; 
      static const uint16_t kCNTL_M_TCLR   = kWBit05; 
      static const uint16_t kCNTL_M_FUNC   = 0007;    
    
      static const uint16_t kSSEL_DTLE   =  0;
      static const uint16_t kSSEL_BRRK   =  1;
      static const uint16_t kSSEL_CORI   =  2;
      static const uint16_t kSSEL_RLCN   =  3;
    
      static const uint16_t kFUNC_NOOP   =  0;
      static const uint16_t kFUNC_SCO    =  1;
      static const uint16_t kFUNC_SRING  =  2;
      static const uint16_t kFUNC_SRLIM  =  3;
    
      static const uint16_t kCAL_DTR     =  0;
      static const uint16_t kCAL_BRK     =  1;
      static const uint16_t kCAL_RXON    =  2;
      static const uint16_t kCAL_CSR     =  3;    
 
      static const uint16_t kFUSE_V_RFUSE  =  8;      
      static const uint16_t kFUSE_B_RFUSE  = 0177;    
      static const uint16_t kFUSE_M_TFUSE  = 0177;    
 
      static const uint16_t kFDAT_M_VAL    = kWBit15; 
      static const uint16_t kFDAT_M_LAST   = kWBit14; 
      static const uint16_t kFDAT_M_FERR   = kWBit13; 
      static const uint16_t kFDAT_M_CAL    = kWBit11; 
      static const uint16_t kFDAT_V_LINE   =  8;      
      static const uint16_t kFDAT_B_LINE   = 0007;    
      static const uint16_t kFDAT_M_BUF    = 0xFF;    
    
      static const uint16_t kCALCSR_M_MSE  = kWBit05; 
      static const uint16_t kCALCSR_M_CLR  = kWBit04; 
      static const uint16_t kCALCSR_M_MAINT= kWBit03; 
 
    // statistics counter indices
      enum stats {
        kStatNRxBlk= Rw11Cntl::kDimStat,    
        kStatNTxQue,                        
        kStatNCalDtr,                       
        kStatNCalBrk,                       
        kStatNCalRxon,                      
        kStatNCalCsr,                       
        kStatNCalBad,                       
        kStatNDropMse,                      
        kStatNDropMaint,                    
        kStatNDropRxon,                     
        kDimStat
      };
    
    protected:
      int           AttnHandler(RlinkServer::AttnArgs& args);
      void          RxProcess(uint16_t fuse);
      void          TxProcess(const RlinkCommand& cmd, bool prim,
                              uint16_t fuse);
      int           TxRcvHandler();
      bool          NextBusyRxUnit();
    
    protected:
      size_t        fPC_fdat;               
      size_t        fPC_fuse;               
      uint16_t      fRxQlim;                
      uint16_t      fRxRlim;                
      uint16_t      fTxRlim;                
      bool          fModCntl;               
      uint16_t      fItype;                 
      uint16_t      fFsize;                 
      uint16_t      fTxRblkSize;            
      bool          fTxQueBusy;             
      size_t        fRxCurUnit;             
      uint16_t      fLastFuse;              
      uint8_t       fCurDtr;                
      uint8_t       fCurBrk;                
      uint8_t       fCurRxon;               
      uint8_t       fCurCsr;                
  };
  
} // end namespace Retro
 
#include "Rw11CntlDZ11.ipp"
 
#endif