127 margin_set_cmd(struct margin_dev *dev, u8 lane, margin_cmd cmd)  in margin_set_cmd()  argument
129   pci_write_word(dev->dev, LMR_LANE_CTRL(dev->lmr_cap_addr, lane), cmd);  in margin_set_cmd()
131   return pci_read_word(dev->dev, LMR_LANE_STATUS(dev->lmr_cap_addr, lane)) == cmd;  in margin_set_cmd()
135 margin_report_cmd(struct margin_dev *dev, u8 lane, margin_cmd cmd, margin_cmd *result)  in margin_report_cmd()  argument
137   pci_write_word(dev->dev, LMR_LANE_CTRL(dev->lmr_cap_addr, lane), cmd);  in margin_report_cmd()
139   *result = pci_read_word(dev->dev, LMR_LANE_STATUS(dev->lmr_cap_addr, lane));  in margin_report_cmd()
142          && margin_set_cmd(dev, lane, NO_COMMAND);  in margin_report_cmd()
148   switch (recv->dev->hw)  in margin_apply_hw_quirks()
164 read_params_internal(struct margin_dev *dev, u8 recvn, bool lane_reversal,  in read_params_internal()  argument
168   u8 lane = lane_reversal ? dev->max_width - 1 : 0;  in read_params_internal()
169   margin_set_cmd(dev, lane, NO_COMMAND);  in read_params_internal()
170   bool status = margin_report_cmd(dev, lane, REPORT_CAPS(recvn), &resp);  in read_params_internal()
178       status = margin_report_cmd(dev, lane, REPORT_VOL_STEPS(recvn), &resp);  in read_params_internal()
183       status = margin_report_cmd(dev, lane, REPORT_TIM_STEPS(recvn), &resp);  in read_params_internal()
188       status = margin_report_cmd(dev, lane, REPORT_TIM_OFFSET(recvn), &resp);  in read_params_internal()
193       status = margin_report_cmd(dev, lane, REPORT_VOL_OFFSET(recvn), &resp);  in read_params_internal()
198       status = margin_report_cmd(dev, lane, REPORT_SAMPL_RATE_V(recvn), &resp);  in read_params_internal()
203       status = margin_report_cmd(dev, lane, REPORT_SAMPL_RATE_T(recvn), &resp);  in read_params_internal()
208       status = margin_report_cmd(dev, lane, REPORT_MAX_LANES(recvn), &resp);  in read_params_internal()
241       margin_set_cmd(arg.recv->dev, arg.results[i].lane, NO_COMMAND);  in margin_test_lanes()
242       margin_set_cmd(arg.recv->dev, arg.results[i].lane,  in margin_test_lanes()
244       margin_set_cmd(arg.recv->dev, arg.results[i].lane, NO_COMMAND);  in margin_test_lanes()
263               int ctrl_addr = LMR_LANE_CTRL(arg.recv->dev->lmr_cap_addr, arg.results[i].lane);  in margin_test_lanes()
264               pci_write_word(arg.recv->dev->dev, ctrl_addr, step_cmd);  in margin_test_lanes()
273               int status_addr = LMR_LANE_STATUS(arg.recv->dev->lmr_cap_addr, arg.results[i].lane);  in margin_test_lanes()
274               lane_status = pci_read_word(arg.recv->dev->dev, status_addr);  in margin_test_lanes()
280                     && margin_set_cmd(arg.recv->dev, arg.results[i].lane, NO_COMMAND)))  in margin_test_lanes()
297       margin_set_cmd(arg.recv->dev, arg.results[i].lane, NO_COMMAND);  in margin_test_lanes()
298       margin_set_cmd(arg.recv->dev, arg.results[i].lane, CLEAR_ERROR_LOG(arg.recv->recvn));  in margin_test_lanes()
299       margin_set_cmd(arg.recv->dev, arg.results[i].lane, NO_COMMAND);  in margin_test_lanes()
300       margin_set_cmd(arg.recv->dev, arg.results[i].lane, GO_TO_NORMAL_SETTINGS(arg.recv->recvn));  in margin_test_lanes()
301       margin_set_cmd(arg.recv->dev, arg.results[i].lane, NO_COMMAND);  in margin_test_lanes()
307 margin_test_receiver(struct margin_dev *dev, u8 recvn, struct margin_link_args *args,  in margin_test_receiver()  argument
314   struct margin_recv recv = { .dev = dev,  in margin_test_receiver()
326   if (!margin_check_ready_bit(dev->dev))  in margin_test_receiver()
333   if (!read_params_internal(dev, recvn, recv.lane_reversal, &params))  in margin_test_receiver()
336       if (!read_params_internal(dev, recvn, recv.lane_reversal, &params))  in margin_test_receiver()
360   results->link_speed = dev->link_speed;  in margin_test_receiver()
369         = recv.lane_reversal ? dev->max_width - lanes_to_margin[i] - 1 : lanes_to_margin[i];  in margin_test_receiver()
429 margin_read_params(struct pci_access *pacc, struct pci_dev *dev, u8 recvn,  in margin_read_params()  argument
432   struct pci_cap *cap = pci_find_cap(dev, PCI_CAP_ID_EXP, PCI_CAP_NORMAL);  in margin_read_params()
436   bool dev_down = margin_port_is_down(dev);  in margin_read_params()
457   if (!margin_find_pair(pacc, dev, &down, &up))  in margin_read_params()
464   if (!margin_check_ready_bit(dut->dev))  in margin_read_params()
487   struct margin_dev *dev = &link->down_port;  in margin_process_args()  local
490   u8 receivers_n = 2 + 2 * dev->retimers_n;  in margin_process_args()
513       args->lanes_n = dev->neg_width;  in margin_process_args()
521           if (args->lanes[i] >= dev->neg_width)  in margin_process_args()