diff options
Diffstat (limited to 'host/lib/usrp/dboard/rhodium/rhodium_radio_control_cpld.cpp')
| -rw-r--r-- | host/lib/usrp/dboard/rhodium/rhodium_radio_control_cpld.cpp | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/host/lib/usrp/dboard/rhodium/rhodium_radio_control_cpld.cpp b/host/lib/usrp/dboard/rhodium/rhodium_radio_control_cpld.cpp new file mode 100644 index 000000000..f4f17e8ab --- /dev/null +++ b/host/lib/usrp/dboard/rhodium/rhodium_radio_control_cpld.cpp @@ -0,0 +1,252 @@ +// +// Copyright 2018 Ettus Research, a National Instruments Company +// Copyright 2019 Ettus Research, a National Instruments Brand +// +// SPDX-License-Identifier: GPL-3.0-or-later +// + +#include "rhodium_constants.hpp" +#include "rhodium_cpld_ctrl.hpp" +#include "rhodium_radio_control.hpp" +#include <uhd/utils/log.hpp> + +using namespace uhd; +using namespace uhd::usrp; +using namespace uhd::rfnoc; + +namespace { + +const char* rx_band_to_log(rhodium_radio_control_impl::rx_band rx_band) +{ + switch (rx_band) { + case rhodium_radio_control_impl::rx_band::RX_BAND_0: + return "0"; + case rhodium_radio_control_impl::rx_band::RX_BAND_1: + return "1"; + case rhodium_radio_control_impl::rx_band::RX_BAND_2: + return "2"; + case rhodium_radio_control_impl::rx_band::RX_BAND_3: + return "3"; + case rhodium_radio_control_impl::rx_band::RX_BAND_4: + return "4"; + case rhodium_radio_control_impl::rx_band::RX_BAND_5: + return "5"; + case rhodium_radio_control_impl::rx_band::RX_BAND_6: + return "6"; + case rhodium_radio_control_impl::rx_band::RX_BAND_7: + return "7"; + case rhodium_radio_control_impl::rx_band::RX_BAND_INVALID: + return "INVALID"; + default: + UHD_THROW_INVALID_CODE_PATH(); + } +} + +const char* tx_band_to_log(rhodium_radio_control_impl::tx_band tx_band) +{ + switch (tx_band) { + case rhodium_radio_control_impl::tx_band::TX_BAND_0: + return "0"; + case rhodium_radio_control_impl::tx_band::TX_BAND_1: + return "1"; + case rhodium_radio_control_impl::tx_band::TX_BAND_2: + return "2"; + case rhodium_radio_control_impl::tx_band::TX_BAND_3: + return "3"; + case rhodium_radio_control_impl::tx_band::TX_BAND_4: + return "4"; + case rhodium_radio_control_impl::tx_band::TX_BAND_5: + return "5"; + case rhodium_radio_control_impl::tx_band::TX_BAND_6: + return "6"; + case rhodium_radio_control_impl::tx_band::TX_BAND_7: + return "7"; + case rhodium_radio_control_impl::tx_band::TX_BAND_INVALID: + return "INVALID"; + default: + UHD_THROW_INVALID_CODE_PATH(); + } +} +} // namespace + +void rhodium_radio_control_impl::_update_rx_freq_switches(const double freq) +{ + RFNOC_LOG_TRACE("Update all RX freq related switches. f=" << freq << " Hz"); + const auto band = _map_freq_to_rx_band(freq); + RFNOC_LOG_TRACE("Selected band " << rx_band_to_log(band)); + + // select values for lowband/highband switches + const bool is_lowband = (band == rx_band::RX_BAND_0); + auto rx_sw2_sw7 = is_lowband ? rhodium_cpld_ctrl::RX_SW2_SW7_LOWBANDFILTERBANK + : rhodium_cpld_ctrl::RX_SW2_SW7_HIGHBANDFILTERBANK; + auto rx_hb_lb_sel = is_lowband ? rhodium_cpld_ctrl::RX_HB_LB_SEL_LOWBAND + : rhodium_cpld_ctrl::RX_HB_LB_SEL_HIGHBAND; + + // select values for filter bank switches + rhodium_cpld_ctrl::rx_sw3_t rx_sw3; + rhodium_cpld_ctrl::rx_sw4_sw5_t rx_sw4_sw5; + rhodium_cpld_ctrl::rx_sw6_t rx_sw6; + switch (band) { + case rx_band::RX_BAND_0: + // Low band doesn't use the filter banks, use configuration for band 1 + case rx_band::RX_BAND_1: + rx_sw3 = rhodium_cpld_ctrl::RX_SW3_TOSWITCH4; + rx_sw4_sw5 = rhodium_cpld_ctrl::RX_SW4_SW5_FILTER0450X0760MHZ; + rx_sw6 = rhodium_cpld_ctrl::RX_SW6_FROMSWITCH5; + break; + case rx_band::RX_BAND_2: + rx_sw3 = rhodium_cpld_ctrl::RX_SW3_TOSWITCH4; + rx_sw4_sw5 = rhodium_cpld_ctrl::RX_SW4_SW5_FILTER0760X1100MHZ; + rx_sw6 = rhodium_cpld_ctrl::RX_SW6_FROMSWITCH5; + break; + case rx_band::RX_BAND_3: + rx_sw3 = rhodium_cpld_ctrl::RX_SW3_TOSWITCH4; + rx_sw4_sw5 = rhodium_cpld_ctrl::RX_SW4_SW5_FILTER1100X1410MHZ; + rx_sw6 = rhodium_cpld_ctrl::RX_SW6_FROMSWITCH5; + break; + case rx_band::RX_BAND_4: + rx_sw3 = rhodium_cpld_ctrl::RX_SW3_TOSWITCH4; + rx_sw4_sw5 = rhodium_cpld_ctrl::RX_SW4_SW5_FILTER1410X2050MHZ; + rx_sw6 = rhodium_cpld_ctrl::RX_SW6_FROMSWITCH5; + break; + case rx_band::RX_BAND_5: + rx_sw3 = rhodium_cpld_ctrl::RX_SW3_TOFILTER2050X3000MHZ; + rx_sw4_sw5 = rhodium_cpld_ctrl::RX_SW4_SW5_FILTER0450X0760MHZ; + rx_sw6 = rhodium_cpld_ctrl::RX_SW6_FROMFILTER2050X3000MHZ; + break; + case rx_band::RX_BAND_6: + rx_sw3 = rhodium_cpld_ctrl::RX_SW3_TOFILTER3000X4500MHZ; + rx_sw4_sw5 = rhodium_cpld_ctrl::RX_SW4_SW5_FILTER0450X0760MHZ; + rx_sw6 = rhodium_cpld_ctrl::RX_SW6_FROMFILTER3000X4500MHZ; + break; + case rx_band::RX_BAND_7: + rx_sw3 = rhodium_cpld_ctrl::RX_SW3_TOFILTER4500X6000MHZ; + rx_sw4_sw5 = rhodium_cpld_ctrl::RX_SW4_SW5_FILTER0450X0760MHZ; + rx_sw6 = rhodium_cpld_ctrl::RX_SW6_FROMFILTER4500X6000MHZ; + break; + case rx_band::RX_BAND_INVALID: + throw uhd::runtime_error( + str(boost::format("Cannot map RX frequency to band: %f") % freq)); + default: + UHD_THROW_INVALID_CODE_PATH(); + } + + // commit settings to cpld + _cpld->set_rx_switches(rx_sw2_sw7, rx_sw3, rx_sw4_sw5, rx_sw6, rx_hb_lb_sel); +} + +void rhodium_radio_control_impl::_update_tx_freq_switches(const double freq) +{ + RFNOC_LOG_TRACE("Update all TX freq related switches. f=" << freq << " Hz"); + const auto band = _map_freq_to_tx_band(freq); + RFNOC_LOG_TRACE("Selected band " << tx_band_to_log(band)); + + // select values for lowband/highband switches + const bool is_lowband = (band == tx_band::TX_BAND_0); + auto tx_hb_lb_sel = is_lowband ? rhodium_cpld_ctrl::TX_HB_LB_SEL_LOWBAND + : rhodium_cpld_ctrl::TX_HB_LB_SEL_HIGHBAND; + + // select values for filter bank switches + rhodium_cpld_ctrl::tx_sw2_t tx_sw2; + rhodium_cpld_ctrl::tx_sw3_sw4_t tx_sw3_sw4; + rhodium_cpld_ctrl::tx_sw5_t tx_sw5; + switch (band) { + case tx_band::TX_BAND_0: + // Low band doesn't use the filter banks, use configuration for band 1 + case tx_band::TX_BAND_1: + tx_sw2 = rhodium_cpld_ctrl::TX_SW2_FROMSWITCH3; + tx_sw3_sw4 = rhodium_cpld_ctrl::TX_SW3_SW4_FROMTXFILTERLP0650MHZ; + tx_sw5 = rhodium_cpld_ctrl::TX_SW5_TOSWITCH4; + break; + case tx_band::TX_BAND_2: + tx_sw2 = rhodium_cpld_ctrl::TX_SW2_FROMSWITCH3; + tx_sw3_sw4 = rhodium_cpld_ctrl::TX_SW3_SW4_FROMTXFILTERLP1000MHZ; + tx_sw5 = rhodium_cpld_ctrl::TX_SW5_TOSWITCH4; + break; + case tx_band::TX_BAND_3: + tx_sw2 = rhodium_cpld_ctrl::TX_SW2_FROMSWITCH3; + tx_sw3_sw4 = rhodium_cpld_ctrl::TX_SW3_SW4_FROMTXFILTERLP1350MHZ; + tx_sw5 = rhodium_cpld_ctrl::TX_SW5_TOSWITCH4; + break; + case tx_band::TX_BAND_4: + tx_sw2 = rhodium_cpld_ctrl::TX_SW2_FROMSWITCH3; + tx_sw3_sw4 = rhodium_cpld_ctrl::TX_SW3_SW4_FROMTXFILTERLP1900MHZ; + tx_sw5 = rhodium_cpld_ctrl::TX_SW5_TOSWITCH4; + break; + case tx_band::TX_BAND_5: + tx_sw2 = rhodium_cpld_ctrl::TX_SW2_FROMTXFILTERLP3000MHZ; + tx_sw3_sw4 = rhodium_cpld_ctrl::TX_SW3_SW4_FROMTXFILTERLP0650MHZ; + tx_sw5 = rhodium_cpld_ctrl::TX_SW5_TOTXFILTERLP3000MHZ; + break; + case tx_band::TX_BAND_6: + tx_sw2 = rhodium_cpld_ctrl::TX_SW2_FROMTXFILTERLP4100MHZ; + tx_sw3_sw4 = rhodium_cpld_ctrl::TX_SW3_SW4_FROMTXFILTERLP0650MHZ; + tx_sw5 = rhodium_cpld_ctrl::TX_SW5_TOTXFILTERLP4100MHZ; + break; + case tx_band::TX_BAND_7: + tx_sw2 = rhodium_cpld_ctrl::TX_SW2_FROMTXFILTERLP6000MHZ; + tx_sw3_sw4 = rhodium_cpld_ctrl::TX_SW3_SW4_FROMTXFILTERLP0650MHZ; + tx_sw5 = rhodium_cpld_ctrl::TX_SW5_TOTXFILTERLP6000MHZ; + break; + case tx_band::TX_BAND_INVALID: + throw uhd::runtime_error( + str(boost::format("Cannot map TX frequency to band: %f") % freq)); + default: + UHD_THROW_INVALID_CODE_PATH(); + } + + // commit settings to cpld + _cpld->set_tx_switches(tx_sw2, tx_sw3_sw4, tx_sw5, tx_hb_lb_sel); +} + +void rhodium_radio_control_impl::_update_rx_input_switches(const std::string& input) +{ + RFNOC_LOG_TRACE("Update all RX input related switches. input=" << input); + const rhodium_cpld_ctrl::cal_iso_sw_t cal_iso = + (input == "CAL") ? rhodium_cpld_ctrl::CAL_ISO_CALLOOPBACK + : rhodium_cpld_ctrl::CAL_ISO_ISOLATION; + const rhodium_cpld_ctrl::rx_sw1_t sw1 = [input] { + if (input == "TX/RX") { + return rhodium_cpld_ctrl::RX_SW1_FROMTXRXINPUT; + } else if (input == "RX2") { + return rhodium_cpld_ctrl::RX_SW1_FROMRX2INPUT; + } else if (input == "CAL") { + return rhodium_cpld_ctrl::RX_SW1_FROMCALLOOPBACK; + } else if (input == "TERM") { + return rhodium_cpld_ctrl::RX_SW1_ISOLATION; + } else { + throw uhd::runtime_error( + "Invalid antenna in _update_rx_input_switches: " + input); + } + }(); + + RFNOC_LOG_TRACE("Selected switch values:" + " sw1=" + << sw1 << " cal_iso=" << cal_iso); + _cpld->set_rx_input_switches(sw1, cal_iso); +} + +void rhodium_radio_control_impl::_update_tx_output_switches(const std::string& output) +{ + RFNOC_LOG_TRACE("Update all TX output related switches. output=" << output); + rhodium_cpld_ctrl::tx_sw1_t sw1; + + if (output == "TX/RX") { + // SW1 needs to select low/high band + if (_is_tx_lowband(get_tx_frequency(0))) { + sw1 = rhodium_cpld_ctrl::TX_SW1_TOLOWBAND; + } else { + sw1 = rhodium_cpld_ctrl::TX_SW1_TOSWITCH2; + } + } else if (output == "CAL") { + sw1 = rhodium_cpld_ctrl::TX_SW1_TOCALLOOPBACK; + } else if (output == "TERM") { + sw1 = rhodium_cpld_ctrl::TX_SW1_ISOLATION; + } else { + throw uhd::runtime_error( + "Invalid antenna in _update_tx_output_switches: " + output); + } + + RFNOC_LOG_TRACE("Selected switch values: sw1=" << sw1); + _cpld->set_tx_output_switches(sw1); +} |