rfnoc: Backported GPIO controls on radio blocks

1 files changed, 48 insertions, 1 deletions

diff --git a/host/include/uhd/rfnoc/radio_ctrl.hpp b/host/include/uhd/rfnoc/radio_ctrl.hpp
index 984ddf864..be22c6e5e 100644
--- a/host/include/uhd/rfnoc/radio_ctrl.hpp
+++ b/host/include/uhd/rfnoc/radio_ctrl.hpp
@@ -120,11 +120,13 @@ public:
      */
     virtual double get_rx_frequency(const size_t chan) /* const */ = 0;
 
-    /*! Tune the RX LO for channel \p.
+    /*! Tune the RX LO for channel \p chan.
      *
      * This function will attempt to tune as close as possible, and return a
      * coerced value of the actual tuning result.
      *
+     * \param freq Requested LO frequency
+     * \param chan Channel number.
      * \return The actual LO frequency.
      */
     virtual double set_rx_frequency(const double freq, const size_t chan) = 0;
@@ -211,6 +213,51 @@ public:
      */
     virtual time_spec_t get_time_last_pps() = 0;
 
+    /*! Returns the list of GPIO banks that are associated with this radio.
+     *
+     * \returns list of GPIO bank names
+     */
+    virtual std::vector<std::string> get_gpio_banks() const = 0;
+
+    /*!
+     * Set a GPIO attribute on a particular GPIO bank.
+     * Possible attribute names:
+     *  - CTRL - 1 for ATR mode 0 for GPIO mode
+     *  - DDR - 1 for output 0 for input
+     *  - OUT - GPIO output level (not ATR mode)
+     *  - ATR_0X - ATR idle state
+     *  - ATR_RX - ATR receive only state
+     *  - ATR_TX - ATR transmit only state
+     *  - ATR_XX - ATR full duplex state
+     * \param bank the name of a GPIO bank (e.g., FP0)
+     * \param attr the name of a GPIO attribute (e.g., CTRL)
+     * \param value the new value for this GPIO bank
+     * \param mask the bit mask to effect which pins are changed
+     */
+    virtual void set_gpio_attr(
+            const std::string &bank,
+            const std::string &attr,
+            const uint32_t value,
+            const uint32_t mask
+    ) = 0;
+
+    /*!
+     * Get a GPIO attribute on a particular GPIO bank.
+     * Possible attribute names:
+     *  - CTRL - 1 for ATR mode 0 for GPIO mode
+     *  - DDR - 1 for output 0 for input
+     *  - OUT - GPIO output level (not ATR mode)
+     *  - ATR_0X - ATR idle state
+     *  - ATR_RX - ATR receive only state
+     *  - ATR_TX - ATR transmit only state
+     *  - ATR_XX - ATR full duplex state
+     *  - READBACK - readback input GPIOs
+     * \param bank the name of a GPIO bank
+     * \param attr the name of a GPIO attribute
+     * \return the value set for this attribute
+     */
+    virtual uint32_t get_gpio_attr(const std::string &bank, const std::string &attr) = 0;
+
     /*!
      * Get a list of possible LO stage names
      * \param chan the channel index 0 to N-1