MIBIONode.cpp

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#include "timing/MIBIONode.hpp"
 
#include <string>
#include <math.h>
 
namespace dunedaq {
namespace timing {
 
UHAL_REGISTER_DERIVED_NODE(MIBIONode)
 
//-----------------------------------------------------------------------------
MIBIONode::MIBIONode(const uhal::Node& node)
  : IONode(node, "i2c", "i2c", { "PLL" }, { "PLL", "CDR 0", "CDR 1" }, { "i2c" })
{
}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
MIBIONode::~MIBIONode() {}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
std::string
MIBIONode::get_uid_address_parameter_name() const
{
  return "UID_PROM";
}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
std::string
MIBIONode::get_status(bool print_out) const
{
  std::stringstream status;
 
  auto subnodes = read_sub_nodes(getNode("csr.stat"));
  status << format_reg_table(subnodes, "MIB IO state");
 
  if (print_out)
    TLOG() << std::endl << status.str();
  return status.str();
}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
void
MIBIONode::configure_pll(const std::string& clock_config_file) const
{
  // enable pll channel (#3) only
  auto i2c_switch = get_i2c_device<I2C9546SwitchSlave>("i2c", "TCA9546_Switch");
  i2c_switch->set_channels_states(8);
  IONode::configure_pll(clock_config_file);
}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
std::string
MIBIONode::get_pll_status(bool print_out) const
{
  // enable pll channel (#3) only
  auto i2c_switch = get_i2c_device<I2C9546SwitchSlave>("i2c", "TCA9546_Switch");
  i2c_switch->set_channels_states(8);
  return IONode::get_pll_status(print_out);
}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
void
MIBIONode::reset(const std::string& clock_config_file) const
{
  write_soft_reset_register();
 
  millisleep(1000);
 
  // Upload config file to PLL
  configure_pll(clock_config_file);
 
  // Reset mmcm
  getNode("csr.ctrl.rst").write(0x1);
  getNode("csr.ctrl.rst").write(0x0);
 
  getNode("io_select.csr.ctrl.amc_out").write(0xfff);
  getNode("io_select.csr.ctrl.amc_in").write(0x0);
  getNode("io_select.csr.ctrl.usfp_src").write(0x0);
 
  getClient().dispatch();
 
  TLOG() << "Reset done";
}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
bool
MIBIONode::clocks_ok() const
{
  TLOG() << "clock check needs to be implemented";
  return false;
}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
//void
//MIBIONode::switch_downstream_mux_channel(uint32_t mux_channel) const // NOLINT(build/unsigned)
//{
//  validate_amc_slot(mux_channel);
// uint16_t amc_in_bit = 0x1 << (mux_channel-1);
//  getNode("io_select.csr.ctrl.amc_in").write(amc_in_bit);
//
//  TLOG_DEBUG(3) << " MIB downstream AMC (in) " << mux_channel << " enabled";
//  getClient().dispatch();
//}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
//uint32_t // NOLINT(build/unsigned)
//MIBIONode::read_active_downstream_mux_channel() const
//{
//  auto active_mux_channel_bits = getNode("io_select.csr.ctrl.amc_in").read();
//  getClient().dispatch();
//  double mux = log2(active_mux_channel_bits.value());
//  return mux+1;
//}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
//void
//MIBIONode::switch_upstream_mux_channel(uint32_t mux_channel) const // NOLINT(build/unsigned)
//{
//  getNode("io_select.csr.ctrl.usfp_src").write(mux_channel);
//  TLOG_DEBUG(3) << " MIB upstream SFP (in) " << mux_channel << " enabled";
//  // TODO what about clock config?
//  getClient().dispatch();
//}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
//uint32_t // NOLINT(build/unsigned)
//MIBIONode::read_active_upstream_mux_channel() const
//{
//  auto active_sfp_mux_channel = getNode("io_select.csr.ctrl.usfp_src").read();
//  getClient().dispatch();
//  return active_sfp_mux_channel.value();
//}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
std::string
MIBIONode::get_sfp_status(uint32_t sfp_id, bool print_out) const { // NOLINT(build/unsigned)
  std::stringstream status;
  
  validate_sfp_id(sfp_id);
 
  // enable i2c path for sfp
  auto i2c_switch = get_i2c_device<I2C9546SwitchSlave>("i2c", "TCA9546_Switch");
  i2c_switch->set_channels_states(1UL << sfp_id);
 
  auto sfp = get_i2c_device<I2CSFPSlave>(m_sfp_i2c_buses.at(0), "SFP_EEProm");
 
  status << "SFP " << sfp_id << ":" << std::endl;
  
  try
  {
    status << sfp->get_status();
  }
  catch(...)
  {
    i2c_switch->set_channels_states(8);
    throw;
  }
 
  i2c_switch->set_channels_states(8);
 
  if (print_out)
    TLOG() << status.str();
 
  return status.str();
}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
void
MIBIONode::switch_sfp_soft_tx_control_bit(uint32_t sfp_id, bool turn_on) const { // NOLINT(build/unsigned)
  validate_sfp_id(sfp_id);
 
  auto i2c_switch = get_i2c_device<I2C9546SwitchSlave>("i2c", "TCA9546_Switch");
  i2c_switch->set_channels_states(1UL << sfp_id);
  auto sfp = get_i2c_device<I2CSFPSlave>(m_sfp_i2c_buses.at(0), "SFP_EEProm");
  sfp->switch_soft_tx_control_bit(turn_on);
  i2c_switch->set_channels_states(8);
}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
// void
// MIBIONode::get_info(timinghardwareinfo::TimingMIBMonitorData& mon_data) const
// {
 
//   auto subnodes = read_sub_nodes(getNode("csr.stat"));
 
//   mon_data.cdr_0_lol = subnodes.at("cdr_lol").value() & 0x1;
//   mon_data.cdr_1_lol = subnodes.at("cdr_lol").value() & 0x2;
 
//   mon_data.cdr_0_los = subnodes.at("cdr_los").value() & 0x1;
//   mon_data.cdr_1_los = subnodes.at("cdr_los").value() & 0x2;
 
//   mon_data.mmcm_ok = subnodes.at("mmcm_ok").value();
//   mon_data.mmcm_sticky = subnodes.at("mmcm_sticky").value();
  
//   mon_data.sfp_0_flt = subnodes.at("sfp_flt").value() & 0x1;
//   mon_data.sfp_1_flt = subnodes.at("sfp_flt").value() & 0x2;
 
//   mon_data.sfp_0_los = subnodes.at("sfp_los").value() & 0x1;
//   mon_data.sfp_1_los = subnodes.at("sfp_los").value() & 0x2;
 
//   // TODO 3rd SFP?
// }
// //-----------------------------------------------------------------------------
 
// //-----------------------------------------------------------------------------
// void
// MIBIONode::get_info(opmonlib::InfoCollector& ci, int level) const
// {
//   auto i2c_switch = get_i2c_device<I2C9546SwitchSlave>("i2c", "TCA9546_Switch");
 
//   if (level >= 2) {
//     i2c_switch->set_channels_states(8);
 
//     timinghardwareinfo::TimingPLLMonitorData pll_mon_data;
//     get_pll()->get_info(pll_mon_data);
//     ci.add(pll_mon_data);
    
//     for (uint i=0; i < 3; ++i)
//     {
//       opmonlib::InfoCollector sfp_ic;
      
//       // enable i2c path for sfp
//       i2c_switch->set_channels_states(1UL << i);
 
//       auto sfp = this->get_i2c_device<I2CSFPSlave>(m_sfp_i2c_buses.at(0), "SFP_EEProm");
      
//       try
//       {
//         sfp->get_info(sfp_ic, level);
//       }
//       catch (timing::SFPUnreachable& e)
//       {
//         // It is valid that an SFP may not be installed, currently no good way of knowing whether they it should be
//         TLOG_DEBUG(2) << "Failed to communicate with SFP " << i <<  " on I2C switch channel " << (1UL << i) << " on i2c bus" << m_sfp_i2c_buses.at(0);
//         continue;
//       }
//       ci.add("sfp_"+std::to_string(i),sfp_ic);
//     }
//     i2c_switch->set_channels_states(8);
//   }
//   if (level >= 1) {
//     timinghardwareinfo::TimingMIBMonitorData mon_data;
//     this->get_info(mon_data);
//     ci.add(mon_data);
//   }
// }
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
void
MIBIONode::validate_sfp_id(uint32_t sfp_id) const { // NOLINT(build/unsigned)
  // on this board we have 3 upstream SFPs
  if (sfp_id > 2) {
        throw InvalidSFPId(ERS_HERE, format_reg_value(sfp_id));
  }
}
//-----------------------------------------------------------------------------
 
//-----------------------------------------------------------------------------
void
MIBIONode::validate_amc_slot(uint32_t amc_slot) const { // NOLINT(build/unsigned)
  if (amc_slot < 1 || amc_slot > 12) {
        throw InvalidAMCSlot(ERS_HERE, format_reg_value(amc_slot, 10));
  }
}
//-----------------------------------------------------------------------------
} // namespace timing
} // namespace dunedaq