signal quality in osmo-pcu

Hi.

While looking at http://projects.osmocom.org/issues/1616 I've noticed that there seems to be no particular function which get signal quality info from dsp. At least looking at code around ENABLE_DIRECT_PHY have not enlightened me so far.

The question is - how exactly signal quality is obtained from dsp (on hw with direct dsp access) to osmo-pcu. There is clear difference between l1if_pdch_req() and pcu_tx_data_req() on TX path but what's the equivalent for RX?