Here are the PC kernel drivers. Currently, there are two drivers: telecomparistech/ --- - supports the new ExpressMIMO-1 bitstream by Telecom Paristech - uses command two command FIFOs to pass commands between Leon<->PC eurecom/ --- - supports the legacy ExpressMIMO-1 bitstream - supports ExpressMIMO-2, also multiple cards for sample-synchronous acquisition - uses CONTROLx registers to pass commands between Leon<->PC - allocates buffers in kernel space using pci_alloc_consistent - used by ../USERSPACE/LIB/openair0_lib for simple access through userspace