rfnoc: Add mb_controller base class and X300/MPMD implementations

3 files changed, 110 insertions, 0 deletions

diff --git a/host/lib/usrp/mpmd/CMakeLists.txt b/host/lib/usrp/mpmd/CMakeLists.txt
index 221329c63..21511e6da 100644
--- a/host/lib/usrp/mpmd/CMakeLists.txt
+++ b/host/lib/usrp/mpmd/CMakeLists.txt
@@ -20,6 +20,7 @@ if(ENABLE_MPMD)
         ${CMAKE_CURRENT_SOURCE_DIR}/mpmd_image_loader.cpp
         ${CMAKE_CURRENT_SOURCE_DIR}/mpmd_impl.cpp
         ${CMAKE_CURRENT_SOURCE_DIR}/mpmd_mboard_impl.cpp
+        ${CMAKE_CURRENT_SOURCE_DIR}/mpmd_mb_controller.cpp
         ${CMAKE_CURRENT_SOURCE_DIR}/mpmd_prop_tree.cpp
         ${CMAKE_CURRENT_SOURCE_DIR}/mpmd_xport.cpp
         ${CMAKE_CURRENT_SOURCE_DIR}/mpmd_xport_mgr.cpp
diff --git a/host/lib/usrp/mpmd/mpmd_mb_controller.cpp b/host/lib/usrp/mpmd/mpmd_mb_controller.cpp
new file mode 100644
index 000000000..6c2954fb8
--- /dev/null
+++ b/host/lib/usrp/mpmd/mpmd_mb_controller.cpp
@@ -0,0 +1,36 @@
+//
+// Copyright 2019 Ettus Research, a National Instruments Brand
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#include "mpmd_mb_controller.hpp"
+
+using namespace uhd::rfnoc;
+
+
+uint64_t mpmd_mb_controller::mpmd_timekeeper::get_ticks_now()
+{
+    return _rpc->request_with_token<uint64_t>("get_timekeeper_time", _tk_idx, false);
+}
+
+uint64_t mpmd_mb_controller::mpmd_timekeeper::get_ticks_last_pps()
+{
+    return _rpc->request_with_token<uint64_t>("get_timekeeper_time", _tk_idx, true);
+}
+
+void mpmd_mb_controller::mpmd_timekeeper::set_ticks_now(const uint64_t ticks)
+{
+    _rpc->notify_with_token("set_timekeeper_time", _tk_idx, ticks, false);
+}
+
+void mpmd_mb_controller::mpmd_timekeeper::set_ticks_next_pps(const uint64_t ticks)
+{
+    _rpc->notify_with_token("set_timekeeper_time", _tk_idx, ticks, true);
+}
+
+void mpmd_mb_controller::mpmd_timekeeper::set_period(const uint64_t period_ns)
+{
+    _rpc->notify_with_token("set_tick_period", _tk_idx, period_ns);
+}
+
diff --git a/host/lib/usrp/mpmd/mpmd_mb_controller.hpp b/host/lib/usrp/mpmd/mpmd_mb_controller.hpp
new file mode 100644
index 000000000..65e5dc468
--- /dev/null
+++ b/host/lib/usrp/mpmd/mpmd_mb_controller.hpp
@@ -0,0 +1,73 @@
+//
+// Copyright 2019 Ettus Research, a National Instruments Brand
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#ifndef INCLUDED_LIBUHD_MPMD_MB_CONTROLLER_HPP
+#define INCLUDED_LIBUHD_MPMD_MB_CONTROLLER_HPP
+
+#include <uhd/rfnoc/mb_controller.hpp>
+#include <uhdlib/utils/rpc.hpp>
+
+namespace uhd { namespace rfnoc {
+
+/*! X300-Specific version of the mb_controller
+ *
+ * Reminder: There is one of these per motherboard.
+ */
+class mpmd_mb_controller : public mb_controller
+{
+public:
+
+
+    //! Return reference to the RPC client
+    uhd::rpc_client::sptr get_rpc_client() { return _rpc; }
+
+    //! X300-specific version of the timekeeper controls
+    class mpmd_timekeeper : public mb_controller::timekeeper
+    {
+    public:
+        mpmd_timekeeper(const size_t tk_idx, uhd::rpc_client::sptr rpc_client)
+            : _tk_idx(tk_idx), _rpc(rpc_client)
+        {
+            // nop
+        }
+
+        uint64_t get_ticks_now();
+
+        uint64_t get_ticks_last_pps();
+
+        void set_ticks_now(const uint64_t ticks);
+
+        void set_ticks_next_pps(const uint64_t ticks);
+
+        void set_period(const uint64_t period_ns);
+
+    private:
+        /*! Shorthand to perform an RPC request. Saves some typing.
+         */
+        template <typename return_type, typename... Args>
+        return_type request(std::string const& func_name, Args&&... args)
+        {
+            UHD_LOG_TRACE("X300MBCTRL", "[RPC] Calling " << func_name);
+            return _rpc->request_with_token<return_type>(
+                func_name, std::forward<Args>(args)...);
+        };
+
+        const size_t _tk_idx;
+
+        uhd::rpc_client::sptr _rpc;
+    };
+
+private:
+    /**************************************************************************
+     * Attributes
+     *************************************************************************/
+    //! Reference to RPC interface
+    uhd::rpc_client::sptr _rpc;
+};
+
+}} // namespace uhd::rfnoc
+
+#endif /* INCLUDED_LIBUHD_MPMD_MB_CONTROLLER_HPP */