In the past, it was super easy to find a block diagram illustrating that architecture on the Web. For Windows 10, I can't find anything. I've found subsystem diagrams, Windows 7 or earlier ...

The block diagram in Figure 4(a) shows how a three-lane C-PHY TX and RX are connected. Figure 4(b) shows the different sub-blocks of a C-PHY sub-system, namely mapping, Parallel/serial function, ...