82 static int hccs_get_pcc_chan_id(struct hccs_dev *hdev)  in hccs_get_pcc_chan_id()  argument
84 	acpi_handle handle = ACPI_HANDLE(hdev->dev);  in hccs_get_pcc_chan_id()
89 		dev_err(hdev->dev, "No _CRS method.\n");  in hccs_get_pcc_chan_id()
93 	ctx.dev = hdev->dev;  in hccs_get_pcc_chan_id()
98 	hdev->chan_id = ctx.chan_id;  in hccs_get_pcc_chan_id()
121 static void hccs_unregister_pcc_channel(struct hccs_dev *hdev)  in hccs_unregister_pcc_channel()  argument
123 	struct hccs_mbox_client_info *cl_info = &hdev->cl_info;  in hccs_unregister_pcc_channel()
127 	pcc_mbox_free_channel(hdev->cl_info.pcc_chan);  in hccs_unregister_pcc_channel()
130 static int hccs_register_pcc_channel(struct hccs_dev *hdev)  in hccs_register_pcc_channel()  argument
132 	struct hccs_mbox_client_info *cl_info = &hdev->cl_info;  in hccs_register_pcc_channel()
135 	struct device *dev = hdev->dev;  in hccs_register_pcc_channel()
142 	cl->rx_callback = hdev->verspec_data->rx_callback;  in hccs_register_pcc_channel()
145 	pcc_chan = pcc_mbox_request_channel(cl, hdev->chan_id);  in hccs_register_pcc_channel()
161 	if (!hdev->verspec_data->has_txdone_irq &&  in hccs_register_pcc_channel()
166 	} else if (hdev->verspec_data->has_txdone_irq &&  in hccs_register_pcc_channel()
178 				hdev->chan_id);  in hccs_register_pcc_channel()
192 static int hccs_wait_cmd_complete_by_poll(struct hccs_dev *hdev)  in hccs_wait_cmd_complete_by_poll()  argument
194 	struct hccs_mbox_client_info *cl_info = &hdev->cl_info;  in hccs_wait_cmd_complete_by_poll()
209 		dev_err(hdev->dev, "poll PCC status failed, ret = %d.\n", ret);  in hccs_wait_cmd_complete_by_poll()
214 static int hccs_wait_cmd_complete_by_irq(struct hccs_dev *hdev)  in hccs_wait_cmd_complete_by_irq()  argument
216 	struct hccs_mbox_client_info *cl_info = &hdev->cl_info;  in hccs_wait_cmd_complete_by_irq()
220 		dev_err(hdev->dev, "PCC command executed timeout!\n");  in hccs_wait_cmd_complete_by_irq()
227 static inline void hccs_fill_pcc_shared_mem_region(struct hccs_dev *hdev,  in hccs_fill_pcc_shared_mem_region()  argument
234 		.signature = PCC_SIGNATURE | hdev->chan_id,  in hccs_fill_pcc_shared_mem_region()
239 	memcpy_toio(hdev->cl_info.pcc_comm_addr, (void *)&tmp,  in hccs_fill_pcc_shared_mem_region()
246 static inline void hccs_fill_ext_pcc_shared_mem_region(struct hccs_dev *hdev,  in hccs_fill_ext_pcc_shared_mem_region()  argument
253 		.signature = PCC_SIGNATURE | hdev->chan_id,  in hccs_fill_ext_pcc_shared_mem_region()
259 	memcpy_toio(hdev->cl_info.pcc_comm_addr, (void *)&tmp,  in hccs_fill_ext_pcc_shared_mem_region()
266 static int hccs_pcc_cmd_send(struct hccs_dev *hdev, u8 cmd,  in hccs_pcc_cmd_send()  argument
269 	const struct hccs_verspecific_data *verspec_data = hdev->verspec_data;  in hccs_pcc_cmd_send()
270 	struct hccs_mbox_client_info *cl_info = &hdev->cl_info;  in hccs_pcc_cmd_send()
278 	verspec_data->fill_pcc_shared_mem(hdev, cmd, desc,  in hccs_pcc_cmd_send()
286 		dev_err(hdev->dev, "Send PCC mbox message failed, ret = %d.\n",  in hccs_pcc_cmd_send()
291 	ret = verspec_data->wait_cmd_complete(hdev);  in hccs_pcc_cmd_send()
299 		dev_err(hdev->dev, "Execute PCC command failed, error code = %u.\n",  in hccs_pcc_cmd_send()
320 static int hccs_get_dev_caps(struct hccs_dev *hdev)  in hccs_get_dev_caps()  argument
326 	ret = hccs_pcc_cmd_send(hdev, HCCS_GET_DEV_CAP, &desc);  in hccs_get_dev_caps()
328 		dev_err(hdev->dev, "Get device capabilities failed, ret = %d.\n",  in hccs_get_dev_caps()
332 	memcpy(&hdev->caps, desc.rsp.data, sizeof(hdev->caps));  in hccs_get_dev_caps()
337 static int hccs_query_chip_num_on_platform(struct hccs_dev *hdev)  in hccs_query_chip_num_on_platform()  argument
343 	ret = hccs_pcc_cmd_send(hdev, HCCS_GET_CHIP_NUM, &desc);  in hccs_query_chip_num_on_platform()
345 		dev_err(hdev->dev, "query system chip number failed, ret = %d.\n",  in hccs_query_chip_num_on_platform()
350 	hdev->chip_num = *((u8 *)&desc.rsp.data);  in hccs_query_chip_num_on_platform()
351 	if (!hdev->chip_num) {  in hccs_query_chip_num_on_platform()
352 		dev_err(hdev->dev, "chip num obtained from firmware is zero.\n");  in hccs_query_chip_num_on_platform()
359 static int hccs_get_chip_info(struct hccs_dev *hdev,  in hccs_get_chip_info()  argument
369 	ret = hccs_pcc_cmd_send(hdev, HCCS_GET_DIE_NUM, &desc);  in hccs_get_chip_info()
378 static int hccs_query_chip_info_on_platform(struct hccs_dev *hdev)  in hccs_query_chip_info_on_platform()  argument
384 	ret = hccs_query_chip_num_on_platform(hdev);  in hccs_query_chip_info_on_platform()
386 		dev_err(hdev->dev, "query chip number on platform failed, ret = %d.\n",  in hccs_query_chip_info_on_platform()
391 	hdev->chips = devm_kzalloc(hdev->dev,  in hccs_query_chip_info_on_platform()
392 				hdev->chip_num * sizeof(struct hccs_chip_info),  in hccs_query_chip_info_on_platform()
394 	if (!hdev->chips) {  in hccs_query_chip_info_on_platform()
395 		dev_err(hdev->dev, "allocate all chips memory failed.\n");  in hccs_query_chip_info_on_platform()
399 	for (idx = 0; idx < hdev->chip_num; idx++) {  in hccs_query_chip_info_on_platform()
400 		chip = &hdev->chips[idx];  in hccs_query_chip_info_on_platform()
402 		ret = hccs_get_chip_info(hdev, chip);  in hccs_query_chip_info_on_platform()
404 			dev_err(hdev->dev, "get chip%u info failed, ret = %d.\n",  in hccs_query_chip_info_on_platform()
408 		chip->hdev = hdev;  in hccs_query_chip_info_on_platform()
414 static int hccs_query_die_info_on_chip(struct hccs_dev *hdev, u8 chip_id,  in hccs_query_die_info_on_chip()  argument
426 	ret = hccs_pcc_cmd_send(hdev, HCCS_GET_DIE_INFO, &desc);  in hccs_query_die_info_on_chip()
436 		dev_err(hdev->dev, "min port id(%u) > max port id(%u) on die_idx(%u).\n",  in hccs_query_die_info_on_chip()
441 		dev_err(hdev->dev, "max port id(%u) on die_idx(%u) is too big.\n",  in hccs_query_die_info_on_chip()
449 static int hccs_query_all_die_info_on_platform(struct hccs_dev *hdev)  in hccs_query_all_die_info_on_platform()  argument
451 	struct device *dev = hdev->dev;  in hccs_query_all_die_info_on_platform()
457 	for (i = 0; i < hdev->chip_num; i++) {  in hccs_query_all_die_info_on_platform()
458 		chip = &hdev->chips[i];  in hccs_query_all_die_info_on_platform()
462 		chip->dies = devm_kzalloc(hdev->dev,  in hccs_query_all_die_info_on_platform()
473 			ret = hccs_query_die_info_on_chip(hdev, i, j, die);  in hccs_query_all_die_info_on_platform()
486 static int hccs_get_bd_info(struct hccs_dev *hdev, u8 opcode,  in hccs_get_bd_info()  argument
495 	ret = hccs_pcc_cmd_send(hdev, opcode, desc);  in hccs_get_bd_info()
502 		dev_err(hdev->dev,  in hccs_get_bd_info()
514 static int hccs_get_all_port_attr(struct hccs_dev *hdev,  in hccs_get_all_port_attr()  argument
539 		ret = hccs_get_bd_info(hdev, HCCS_GET_DIE_PORT_INFO, &desc,  in hccs_get_all_port_attr()
542 			dev_err(hdev->dev,  in hccs_get_all_port_attr()
551 			dev_err(hdev->dev,  in hccs_get_all_port_attr()
560 		dev_err(hdev->dev, "failed to get the expected port number(%u) attribute.\n",  in hccs_get_all_port_attr()
568 static int hccs_get_all_port_info_on_die(struct hccs_dev *hdev,  in hccs_get_all_port_info_on_die()  argument
581 	ret = hccs_get_all_port_attr(hdev, die, attrs, die->port_num);  in hccs_get_all_port_info_on_die()
599 static int hccs_query_all_port_info_on_platform(struct hccs_dev *hdev)  in hccs_query_all_port_info_on_platform()  argument
601 	struct device *dev = hdev->dev;  in hccs_query_all_port_info_on_platform()
607 	for (i = 0; i < hdev->chip_num; i++) {  in hccs_query_all_port_info_on_platform()
608 		chip = &hdev->chips[i];  in hccs_query_all_port_info_on_platform()
623 			ret = hccs_get_all_port_info_on_die(hdev, die);  in hccs_query_all_port_info_on_platform()
635 static int hccs_get_hw_info(struct hccs_dev *hdev)  in hccs_get_hw_info()  argument
639 	ret = hccs_query_chip_info_on_platform(hdev);  in hccs_get_hw_info()
641 		dev_err(hdev->dev, "query chip info on platform failed, ret = %d.\n",  in hccs_get_hw_info()
646 	ret = hccs_query_all_die_info_on_platform(hdev);  in hccs_get_hw_info()
648 		dev_err(hdev->dev, "query all die info on platform failed, ret = %d.\n",  in hccs_get_hw_info()
653 	ret = hccs_query_all_port_info_on_platform(hdev);  in hccs_get_hw_info()
655 		dev_err(hdev->dev, "query all port info on platform failed, ret = %d.\n",  in hccs_get_hw_info()
663 static int hccs_query_port_link_status(struct hccs_dev *hdev,  in hccs_query_port_link_status()  argument
678 	ret = hccs_pcc_cmd_send(hdev, HCCS_GET_PORT_LINK_STATUS, &desc);  in hccs_query_port_link_status()
680 		dev_err(hdev->dev,  in hccs_query_port_link_status()
690 static int hccs_query_port_crc_err_cnt(struct hccs_dev *hdev,  in hccs_query_port_crc_err_cnt()  argument
705 	ret = hccs_pcc_cmd_send(hdev, HCCS_GET_PORT_CRC_ERR_CNT, &desc);  in hccs_query_port_crc_err_cnt()
707 		dev_err(hdev->dev,  in hccs_query_port_crc_err_cnt()
717 static int hccs_get_die_all_link_status(struct hccs_dev *hdev,  in hccs_get_die_all_link_status()  argument
734 	ret = hccs_pcc_cmd_send(hdev, HCCS_GET_DIE_PORTS_LINK_STA, &desc);  in hccs_get_die_all_link_status()
736 		dev_err(hdev->dev,  in hccs_get_die_all_link_status()
747 static int hccs_get_die_all_port_lane_status(struct hccs_dev *hdev,  in hccs_get_die_all_port_lane_status()  argument
764 	ret = hccs_pcc_cmd_send(hdev, HCCS_GET_DIE_PORTS_LANE_STA, &desc);  in hccs_get_die_all_port_lane_status()
766 		dev_err(hdev->dev, "get lane status of all ports failed on die%u, ret = %d.\n",  in hccs_get_die_all_port_lane_status()
776 static int hccs_get_die_total_crc_err_cnt(struct hccs_dev *hdev,  in hccs_get_die_total_crc_err_cnt()  argument
793 	ret = hccs_pcc_cmd_send(hdev, HCCS_GET_DIE_PORTS_CRC_ERR_CNT, &desc);  in hccs_get_die_total_crc_err_cnt()
795 		dev_err(hdev->dev, "get crc error count sum failed on die%u, ret = %d.\n",  in hccs_get_die_total_crc_err_cnt()
849 	struct hccs_dev *hdev = port->die->chip->hdev;  in cur_lane_num_show()  local
853 	mutex_lock(&hdev->lock);  in cur_lane_num_show()
854 	ret = hccs_query_port_link_status(hdev, port, &link_status);  in cur_lane_num_show()
855 	mutex_unlock(&hdev->lock);  in cur_lane_num_show()
867 	struct hccs_dev *hdev = port->die->chip->hdev;  in link_fsm_show()  local
882 	mutex_lock(&hdev->lock);  in link_fsm_show()
883 	ret = hccs_query_port_link_status(hdev, port, &link_status);  in link_fsm_show()
884 	mutex_unlock(&hdev->lock);  in link_fsm_show()
903 	struct hccs_dev *hdev = port->die->chip->hdev;  in lane_mask_show()  local
907 	mutex_lock(&hdev->lock);  in lane_mask_show()
908 	ret = hccs_query_port_link_status(hdev, port, &link_status);  in lane_mask_show()
909 	mutex_unlock(&hdev->lock);  in lane_mask_show()
921 	struct hccs_dev *hdev = port->die->chip->hdev;  in crc_err_cnt_show()  local
925 	mutex_lock(&hdev->lock);  in crc_err_cnt_show()
926 	ret = hccs_query_port_crc_err_cnt(hdev, port, &crc_err_cnt);  in crc_err_cnt_show()
927 	mutex_unlock(&hdev->lock);  in crc_err_cnt_show()
956 	struct hccs_dev *hdev = die->chip->hdev;  in all_linked_on_die_show()  local
960 	mutex_lock(&hdev->lock);  in all_linked_on_die_show()
961 	ret = hccs_get_die_all_link_status(hdev, die, &all_linked);  in all_linked_on_die_show()
962 	mutex_unlock(&hdev->lock);  in all_linked_on_die_show()
976 	struct hccs_dev *hdev = die->chip->hdev;  in linked_full_lane_on_die_show()  local
980 	mutex_lock(&hdev->lock);  in linked_full_lane_on_die_show()
981 	ret = hccs_get_die_all_port_lane_status(hdev, die, &full_lane);  in linked_full_lane_on_die_show()
982 	mutex_unlock(&hdev->lock);  in linked_full_lane_on_die_show()
996 	struct hccs_dev *hdev = die->chip->hdev;  in crc_err_cnt_sum_on_die_show()  local
1000 	mutex_lock(&hdev->lock);  in crc_err_cnt_sum_on_die_show()
1001 	ret = hccs_get_die_total_crc_err_cnt(hdev, die, &total_crc_err_cnt);  in crc_err_cnt_sum_on_die_show()
1002 	mutex_unlock(&hdev->lock);  in crc_err_cnt_sum_on_die_show()
1028 	struct hccs_dev *hdev = chip->hdev;  in all_linked_on_chip_show()  local
1034 	mutex_lock(&hdev->lock);  in all_linked_on_chip_show()
1037 		ret = hccs_get_die_all_link_status(hdev, die, &tmp);  in all_linked_on_chip_show()
1039 			mutex_unlock(&hdev->lock);  in all_linked_on_chip_show()
1047 	mutex_unlock(&hdev->lock);  in all_linked_on_chip_show()
1059 	struct hccs_dev *hdev = chip->hdev;  in linked_full_lane_on_chip_show()  local
1065 	mutex_lock(&hdev->lock);  in linked_full_lane_on_chip_show()
1068 		ret = hccs_get_die_all_port_lane_status(hdev, die, &tmp);  in linked_full_lane_on_chip_show()
1070 			mutex_unlock(&hdev->lock);  in linked_full_lane_on_chip_show()
1078 	mutex_unlock(&hdev->lock);  in linked_full_lane_on_chip_show()
1091 	struct hccs_dev *hdev = chip->hdev;  in crc_err_cnt_sum_on_chip_show()  local
1096 	mutex_lock(&hdev->lock);  in crc_err_cnt_sum_on_chip_show()
1099 		ret = hccs_get_die_total_crc_err_cnt(hdev, die, &crc_err_cnt);  in crc_err_cnt_sum_on_chip_show()
1101 			mutex_unlock(&hdev->lock);  in crc_err_cnt_sum_on_chip_show()
1107 	mutex_unlock(&hdev->lock);  in crc_err_cnt_sum_on_chip_show()
1155 static void hccs_remove_topo_dirs(struct hccs_dev *hdev)  in hccs_remove_topo_dirs()  argument
1159 	for (i = 0; i < hdev->chip_num; i++)  in hccs_remove_topo_dirs()
1160 		hccs_remove_chip_dir(&hdev->chips[i]);  in hccs_remove_topo_dirs()
1163 static int hccs_create_hccs_dir(struct hccs_dev *hdev,  in hccs_create_hccs_dir()  argument
1179 static int hccs_create_die_dir(struct hccs_dev *hdev,  in hccs_create_die_dir()  argument
1196 		ret = hccs_create_hccs_dir(hdev, die, port);  in hccs_create_die_dir()
1198 			dev_err(hdev->dev, "create hccs%u dir failed.\n",  in hccs_create_die_dir()
1212 static int hccs_create_chip_dir(struct hccs_dev *hdev,  in hccs_create_chip_dir()  argument
1220 				   &hdev->dev->kobj, "chip%u", chip->chip_id);  in hccs_create_chip_dir()
1228 		ret = hccs_create_die_dir(hdev, chip, die);  in hccs_create_chip_dir()
1241 static int hccs_create_topo_dirs(struct hccs_dev *hdev)  in hccs_create_topo_dirs()  argument
1247 	for (id = 0; id < hdev->chip_num; id++) {  in hccs_create_topo_dirs()
1248 		chip = &hdev->chips[id];  in hccs_create_topo_dirs()
1249 		ret = hccs_create_chip_dir(hdev, chip);  in hccs_create_topo_dirs()
1251 			dev_err(hdev->dev, "init chip%u dir failed!\n", id);  in hccs_create_topo_dirs()
1259 		hccs_remove_chip_dir(&hdev->chips[k]);  in hccs_create_topo_dirs()
1267 	struct hccs_dev *hdev;  in hccs_probe()  local
1278 	hdev = devm_kzalloc(&pdev->dev, sizeof(*hdev), GFP_KERNEL);  in hccs_probe()
1279 	if (!hdev)  in hccs_probe()
1281 	hdev->acpi_dev = acpi_dev;  in hccs_probe()
1282 	hdev->dev = &pdev->dev;  in hccs_probe()
1283 	platform_set_drvdata(pdev, hdev);  in hccs_probe()
1288 	hdev->verspec_data = acpi_device_get_match_data(hdev->dev);  in hccs_probe()
1290 	mutex_init(&hdev->lock);  in hccs_probe()
1291 	rc = hccs_get_pcc_chan_id(hdev);  in hccs_probe()
1294 	rc = hccs_register_pcc_channel(hdev);  in hccs_probe()
1298 	rc = hccs_get_dev_caps(hdev);  in hccs_probe()
1302 	rc = hccs_get_hw_info(hdev);  in hccs_probe()
1306 	rc = hccs_create_topo_dirs(hdev);  in hccs_probe()
1313 	hccs_unregister_pcc_channel(hdev);  in hccs_probe()
1320 	struct hccs_dev *hdev = platform_get_drvdata(pdev);  in hccs_remove()  local
1322 	hccs_remove_topo_dirs(hdev);  in hccs_remove()
1323 	hccs_unregister_pcc_channel(hdev);  in hccs_remove()