CIM_DEBUGCFG_A
cfg = t4_read_reg(adap, CIM_DEBUGCFG_A);
t4_write_reg(adap, CIM_DEBUGCFG_A, cfg ^ LADBGEN_F);
t4_write_reg(adap, CIM_DEBUGCFG_A, POLADBGRDPTR_V(req) |
t4_write_reg(adap, CIM_DEBUGCFG_A, cfg);
cfg = t4_read_reg(adap, CIM_DEBUGCFG_A);
t4_write_reg(adap, CIM_DEBUGCFG_A, cfg ^ LADBGEN_F);
t4_write_reg(adap, CIM_DEBUGCFG_A, POLADBGRDPTR_V(idx) |
t4_write_reg(adap, CIM_DEBUGCFG_A, cfg);