gateway.hxx

// dawn/include/dawn/prog/gateway.hxx
//
// SPDX-License-Identifier: Apache-2.0
//
 
#pragma once
 
#include <vector>
 
#include "dawn/io/virt.hxx"
#include "dawn/porting/config.hxx"
#include "dawn/prog/common.hxx"
 
namespace dawn
{
// Forward declaration
 
class CIOVirt;
class io_ddata_t;
 
class CProgGateway : public CProgCommon
{
public:
  enum
  {
    PROG_GATEWAY_CFG_FIRST = 0,
    PROG_GATEWAY_CFG_IOBIND = 1,
    PROG_GATEWAY_CFG_LAST = 31
  };
 
  enum
  {
    FLAG_IO1_READ = (1 << 0),  
    FLAG_IO1_WRITE = (1 << 1), 
    FLAG_IO2_READ = (1 << 2),  
    FLAG_IO2_WRITE = (1 << 3), 
  } typedef EProgGatewayFlags;
 
  struct
  {
    SObjectId::UObjectId io1; 
    SObjectId::UObjectId io2; 
    uint32_t flags;           
    uint32_t dim;             
  } typedef SProgGatewayIOBind;
 
  explicit CProgGateway(CDescObject &desc)
    : CProgCommon(desc)
  {
  }
 
  ~CProgGateway() override;
 
#ifdef CONFIG_DAWN_OBJECT_HAS_NAME
  const char *getClassNameStr() const override
  {
    return "gateway";
  }
#endif
 
  int configure() override;
  int init() override;
  int deinit() override;
  int doStart() override;
  int doStop() override;
 
  constexpr static SObjectId::ObjectId objectId(uint16_t inst)
  {
    return SObjectId::objectId(
      SObjectId::OBJTYPE_PROG, CProgCommon::PROG_CLASS_GATEWAY, SObjectId::DTYPE_ANY, 0, inst);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgId(bool rw, uint8_t size, uint8_t id)
  {
    return SObjectCfg::objectCfg(
      SObjectId::OBJTYPE_PROG, CProgCommon::PROG_CLASS_GATEWAY, SObjectId::DTYPE_ANY, rw, size, id);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgIdIOBind(uint16_t size)
  {
    return CProgGateway::cfgId(false, size, PROG_GATEWAY_CFG_IOBIND);
  }
 
private:
  struct SGatewayBind
  {
    SProgGatewayIOBind cfg;
    CIOVirt *vio1;
    CIOVirt *vio2;
    io_ddata_t *iodata;
  };
 
  std::vector<SGatewayBind *> binds; 
 
  int configureDesc(const CDescObject &desc);
  int allocObject(const SProgGatewayIOBind *cfg);
 
  static void io1SetCb(CIOVirt *io, void *priv);
  static void io2SetCb(CIOVirt *io, void *priv);
  static void io1GetCb(CIOVirt *io, void *priv);
  static void io2GetCb(CIOVirt *io, void *priv);
};
} // Namespace dawn