69 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm)  in iwl_mvm_enter_ctkill()  argument
71 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_enter_ctkill()
74 	if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_enter_ctkill()
77 	IWL_ERR(mvm, "Enter CT Kill\n");  in iwl_mvm_enter_ctkill()
78 	iwl_mvm_set_hw_ctkill_state(mvm, true);  in iwl_mvm_enter_ctkill()
80 	if (!iwl_mvm_is_tt_in_fw(mvm)) {  in iwl_mvm_enter_ctkill()
89 	if (!mvm->temperature_test)  in iwl_mvm_enter_ctkill()
94 static void iwl_mvm_exit_ctkill(struct iwl_mvm *mvm)  in iwl_mvm_exit_ctkill()  argument
96 	if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_exit_ctkill()
99 	IWL_ERR(mvm, "Exit CT Kill\n");  in iwl_mvm_exit_ctkill()
100 	iwl_mvm_set_hw_ctkill_state(mvm, false);  in iwl_mvm_exit_ctkill()
103 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp)  in iwl_mvm_tt_temp_changed()  argument
106 	if (mvm->temperature_test)  in iwl_mvm_tt_temp_changed()
109 	if (mvm->temperature == temp)  in iwl_mvm_tt_temp_changed()
112 	mvm->temperature = temp;  in iwl_mvm_tt_temp_changed()
113 	iwl_mvm_tt_handler(mvm);  in iwl_mvm_tt_temp_changed()
116 static int iwl_mvm_temp_notif_parse(struct iwl_mvm *mvm,  in iwl_mvm_temp_notif_parse()  argument
127 		IWL_ERR(mvm, "Invalid DTS_MEASUREMENT_NOTIFICATION\n");  in iwl_mvm_temp_notif_parse()
139 	IWL_DEBUG_TEMP(mvm, "DTS_MEASUREMENT_NOTIFICATION - %d\n", temp);  in iwl_mvm_temp_notif_parse()
147 	struct iwl_mvm *mvm =  in iwl_mvm_temp_notif_wait()  local
152 	ret = iwl_mvm_temp_notif_parse(mvm, pkt);  in iwl_mvm_temp_notif_wait()
161 void iwl_mvm_temp_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)  in iwl_mvm_temp_notif()  argument
170 	if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_temp_notif()
173 	temp = iwl_mvm_temp_notif_parse(mvm, pkt);  in iwl_mvm_temp_notif()
175 	if (!iwl_mvm_is_tt_in_fw(mvm)) {  in iwl_mvm_temp_notif()
177 			iwl_mvm_tt_temp_changed(mvm, temp);  in iwl_mvm_temp_notif()
182 		IWL_ERR(mvm, "Invalid DTS_MEASUREMENT_NOTIFICATION\n");  in iwl_mvm_temp_notif()
195 	IWL_DEBUG_TEMP(mvm, "Temp = %d Threshold crossed = %d\n",  in iwl_mvm_temp_notif()
202 	if (mvm->tz_device.tzone) {  in iwl_mvm_temp_notif()
203 		struct iwl_mvm_thermal_device *tz_dev = &mvm->tz_device;  in iwl_mvm_temp_notif()
211 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)  in iwl_mvm_ct_kill_notif()  argument
218 		IWL_ERR(mvm, "Invalid CT_KILL_NOTIFICATION\n");  in iwl_mvm_ct_kill_notif()
223 	IWL_DEBUG_TEMP(mvm, "CT Kill notification temperature = %d\n",  in iwl_mvm_ct_kill_notif()
226 	iwl_mvm_enter_ctkill(mvm);  in iwl_mvm_ct_kill_notif()
229 static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm)  in iwl_mvm_get_temp_cmd()  argument
242 	if (!fw_has_capa(&mvm->fw->ucode_capa,  in iwl_mvm_get_temp_cmd()
244 		return iwl_mvm_send_cmd_pdu(mvm, cmdid, 0, sizeof(cmd), &cmd);  in iwl_mvm_get_temp_cmd()
246 	return iwl_mvm_send_cmd_pdu(mvm, cmdid, 0, sizeof(extcmd), &extcmd);  in iwl_mvm_get_temp_cmd()
249 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp)  in iwl_mvm_get_temp()  argument
256 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_get_temp()
258 	iwl_init_notification_wait(&mvm->notif_wait, &wait_temp_notif,  in iwl_mvm_get_temp()
262 	ret = iwl_mvm_get_temp_cmd(mvm);  in iwl_mvm_get_temp()
264 		IWL_ERR(mvm, "Failed to get the temperature (err=%d)\n", ret);  in iwl_mvm_get_temp()
265 		iwl_remove_notification(&mvm->notif_wait, &wait_temp_notif);  in iwl_mvm_get_temp()
269 	ret = iwl_wait_notification(&mvm->notif_wait, &wait_temp_notif,  in iwl_mvm_get_temp()
272 		IWL_ERR(mvm, "Getting the temperature timed out\n");  in iwl_mvm_get_temp()
280 	struct iwl_mvm *mvm;  in check_exit_ctkill()  local
286 	mvm = container_of(tt, struct iwl_mvm, thermal_throttle);  in check_exit_ctkill()
288 	if (iwl_mvm_is_tt_in_fw(mvm)) {  in check_exit_ctkill()
289 		iwl_mvm_exit_ctkill(mvm);  in check_exit_ctkill()
296 	mutex_lock(&mvm->mutex);  in check_exit_ctkill()
298 	if (__iwl_mvm_mac_start(mvm))  in check_exit_ctkill()
301 	ret = iwl_mvm_get_temp(mvm, &temp);  in check_exit_ctkill()
303 	__iwl_mvm_mac_stop(mvm);  in check_exit_ctkill()
308 	IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", temp);  in check_exit_ctkill()
311 		mutex_unlock(&mvm->mutex);  in check_exit_ctkill()
312 		iwl_mvm_exit_ctkill(mvm);  in check_exit_ctkill()
317 	mutex_unlock(&mvm->mutex);  in check_exit_ctkill()
318 	schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit,  in check_exit_ctkill()
325 	struct iwl_mvm *mvm = _data;  in iwl_mvm_tt_smps_iterator()  local
328 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tt_smps_iterator()
330 	if (mvm->thermal_throttle.dynamic_smps)  in iwl_mvm_tt_smps_iterator()
338 	iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, smps_mode);  in iwl_mvm_tt_smps_iterator()
341 static void iwl_mvm_tt_tx_protection(struct iwl_mvm *mvm, bool enable)  in iwl_mvm_tt_tx_protection()  argument
346 	for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) {  in iwl_mvm_tt_tx_protection()
347 		mvmsta = iwl_mvm_sta_from_staid_protected(mvm, i);  in iwl_mvm_tt_tx_protection()
353 		err = iwl_mvm_tx_protection(mvm, mvmsta, enable);  in iwl_mvm_tt_tx_protection()
355 			IWL_ERR(mvm, "Failed to %s Tx protection\n",  in iwl_mvm_tt_tx_protection()
358 			IWL_DEBUG_TEMP(mvm, "%s Tx protection\n",  in iwl_mvm_tt_tx_protection()
365 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff)  in iwl_mvm_tt_tx_backoff()  argument
373 	backoff = max(backoff, mvm->thermal_throttle.min_backoff);  in iwl_mvm_tt_tx_backoff()
375 	if (iwl_mvm_send_cmd(mvm, &cmd) == 0) {  in iwl_mvm_tt_tx_backoff()
376 		IWL_DEBUG_TEMP(mvm, "Set Thermal Tx backoff to: %u\n",  in iwl_mvm_tt_tx_backoff()
378 		mvm->thermal_throttle.tx_backoff = backoff;  in iwl_mvm_tt_tx_backoff()
380 		IWL_ERR(mvm, "Failed to change Thermal Tx backoff\n");  in iwl_mvm_tt_tx_backoff()
384 void iwl_mvm_tt_handler(struct iwl_mvm *mvm)  in iwl_mvm_tt_handler()  argument
386 	struct iwl_tt_params *params = &mvm->thermal_throttle.params;  in iwl_mvm_tt_handler()
387 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_tt_handler()
388 	s32 temperature = mvm->temperature;  in iwl_mvm_tt_handler()
393 	IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", mvm->temperature);  in iwl_mvm_tt_handler()
396 		iwl_mvm_enter_ctkill(mvm);  in iwl_mvm_tt_handler()
402 		iwl_mvm_exit_ctkill(mvm);  in iwl_mvm_tt_handler()
409 			IWL_DEBUG_TEMP(mvm, "Enable dynamic SMPS\n");  in iwl_mvm_tt_handler()
412 					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,  in iwl_mvm_tt_handler()
413 					iwl_mvm_tt_smps_iterator, mvm);  in iwl_mvm_tt_handler()
417 			IWL_DEBUG_TEMP(mvm, "Disable dynamic SMPS\n");  in iwl_mvm_tt_handler()
420 					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,  in iwl_mvm_tt_handler()
421 					iwl_mvm_tt_smps_iterator, mvm);  in iwl_mvm_tt_handler()
427 			iwl_mvm_tt_tx_protection(mvm, true);  in iwl_mvm_tt_handler()
430 			iwl_mvm_tt_tx_protection(mvm, false);  in iwl_mvm_tt_handler()
445 			iwl_mvm_tt_tx_backoff(mvm, tx_backoff);  in iwl_mvm_tt_handler()
449 		IWL_WARN(mvm,  in iwl_mvm_tt_handler()
455 		IWL_WARN(mvm,  in iwl_mvm_tt_handler()
507 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 state)  in iwl_mvm_ctdp_command()  argument
517 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_ctdp_command()
520 	ret = iwl_mvm_send_cmd_pdu_status(mvm, WIDE_ID(PHY_OPS_GROUP,  in iwl_mvm_ctdp_command()
525 		IWL_ERR(mvm, "cTDP command failed (err=%d)\n", ret);  in iwl_mvm_ctdp_command()
532 		mvm->cooling_dev.cur_state = state;  in iwl_mvm_ctdp_command()
536 		IWL_DEBUG_TEMP(mvm, "cTDP avg energy in mWatt = %d\n", status);  in iwl_mvm_ctdp_command()
545 		IWL_DEBUG_TEMP(mvm, "cTDP stopped successfully\n");  in iwl_mvm_ctdp_command()
560 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm)  in iwl_mvm_send_temp_report_ths_cmd()  argument
567 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_send_temp_report_ths_cmd()
569 	if (!mvm->tz_device.tzone)  in iwl_mvm_send_temp_report_ths_cmd()
578 		if (mvm->tz_device.temp_trips[i] != S16_MIN) {  in iwl_mvm_send_temp_report_ths_cmd()
580 				cpu_to_le16(mvm->tz_device.temp_trips[i]);  in iwl_mvm_send_temp_report_ths_cmd()
597 				mvm->tz_device.temp_trips[j])  in iwl_mvm_send_temp_report_ths_cmd()
598 				mvm->tz_device.fw_trips_index[i] = j;  in iwl_mvm_send_temp_report_ths_cmd()
604 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,  in iwl_mvm_send_temp_report_ths_cmd()
608 		IWL_ERR(mvm, "TEMP_REPORT_THS_CMD command failed (err=%d)\n",  in iwl_mvm_send_temp_report_ths_cmd()
618 	struct iwl_mvm *mvm = (struct iwl_mvm *)device->devdata;  in iwl_mvm_tzone_get_temp()  local
622 	mutex_lock(&mvm->mutex);  in iwl_mvm_tzone_get_temp()
624 	if (!iwl_mvm_firmware_running(mvm) ||  in iwl_mvm_tzone_get_temp()
625 	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) {  in iwl_mvm_tzone_get_temp()
630 	ret = iwl_mvm_get_temp(mvm, &temp);  in iwl_mvm_tzone_get_temp()
637 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tzone_get_temp()
644 	struct iwl_mvm *mvm = (struct iwl_mvm *)device->devdata;  in iwl_mvm_tzone_get_trip_temp()  local
649 	*temp = mvm->tz_device.temp_trips[trip] * 1000;  in iwl_mvm_tzone_get_trip_temp()
668 	struct iwl_mvm *mvm = (struct iwl_mvm *)device->devdata;  in iwl_mvm_tzone_set_trip_temp()  local
673 	mutex_lock(&mvm->mutex);  in iwl_mvm_tzone_set_trip_temp()
675 	if (!iwl_mvm_firmware_running(mvm) ||  in iwl_mvm_tzone_set_trip_temp()
676 	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) {  in iwl_mvm_tzone_set_trip_temp()
692 	tzone = &mvm->tz_device;  in iwl_mvm_tzone_set_trip_temp()
715 	ret = iwl_mvm_send_temp_report_ths_cmd(mvm);  in iwl_mvm_tzone_set_trip_temp()
717 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tzone_set_trip_temp()
731 static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm)  in iwl_mvm_thermal_zone_register()  argument
736 	if (!iwl_mvm_is_tt_in_fw(mvm)) {  in iwl_mvm_thermal_zone_register()
737 		mvm->tz_device.tzone = NULL;  in iwl_mvm_thermal_zone_register()
744 	mvm->tz_device.tzone = thermal_zone_device_register(name,  in iwl_mvm_thermal_zone_register()
747 							mvm, &tzone_ops,  in iwl_mvm_thermal_zone_register()
749 	if (IS_ERR(mvm->tz_device.tzone)) {  in iwl_mvm_thermal_zone_register()
750 		IWL_DEBUG_TEMP(mvm,  in iwl_mvm_thermal_zone_register()
752 			       PTR_ERR(mvm->tz_device.tzone));  in iwl_mvm_thermal_zone_register()
753 		mvm->tz_device.tzone = NULL;  in iwl_mvm_thermal_zone_register()
761 		mvm->tz_device.temp_trips[i] = S16_MIN;  in iwl_mvm_thermal_zone_register()
775 	struct iwl_mvm *mvm = (struct iwl_mvm *)(cdev->devdata);  in iwl_mvm_tcool_get_cur_state()  local
777 	*state = mvm->cooling_dev.cur_state;  in iwl_mvm_tcool_get_cur_state()
785 	struct iwl_mvm *mvm = (struct iwl_mvm *)(cdev->devdata);  in iwl_mvm_tcool_set_cur_state()  local
788 	mutex_lock(&mvm->mutex);  in iwl_mvm_tcool_set_cur_state()
790 	if (!iwl_mvm_firmware_running(mvm) ||  in iwl_mvm_tcool_set_cur_state()
791 	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) {  in iwl_mvm_tcool_set_cur_state()
801 	ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,  in iwl_mvm_tcool_set_cur_state()
805 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tcool_set_cur_state()
815 static void iwl_mvm_cooling_device_register(struct iwl_mvm *mvm)  in iwl_mvm_cooling_device_register()  argument
819 	if (!iwl_mvm_is_ctdp_supported(mvm))  in iwl_mvm_cooling_device_register()
824 	mvm->cooling_dev.cdev =  in iwl_mvm_cooling_device_register()
826 						mvm,  in iwl_mvm_cooling_device_register()
829 	if (IS_ERR(mvm->cooling_dev.cdev)) {  in iwl_mvm_cooling_device_register()
830 		IWL_DEBUG_TEMP(mvm,  in iwl_mvm_cooling_device_register()
832 			       PTR_ERR(mvm->cooling_dev.cdev));  in iwl_mvm_cooling_device_register()
833 		mvm->cooling_dev.cdev = NULL;  in iwl_mvm_cooling_device_register()
838 static void iwl_mvm_thermal_zone_unregister(struct iwl_mvm *mvm)  in iwl_mvm_thermal_zone_unregister()  argument
840 	if (!iwl_mvm_is_tt_in_fw(mvm) || !mvm->tz_device.tzone)  in iwl_mvm_thermal_zone_unregister()
843 	IWL_DEBUG_TEMP(mvm, "Thermal zone device unregister\n");  in iwl_mvm_thermal_zone_unregister()
844 	if (mvm->tz_device.tzone) {  in iwl_mvm_thermal_zone_unregister()
845 		thermal_zone_device_unregister(mvm->tz_device.tzone);  in iwl_mvm_thermal_zone_unregister()
846 		mvm->tz_device.tzone = NULL;  in iwl_mvm_thermal_zone_unregister()
850 static void iwl_mvm_cooling_device_unregister(struct iwl_mvm *mvm)  in iwl_mvm_cooling_device_unregister()  argument
852 	if (!iwl_mvm_is_ctdp_supported(mvm) || !mvm->cooling_dev.cdev)  in iwl_mvm_cooling_device_unregister()
855 	IWL_DEBUG_TEMP(mvm, "Cooling device unregister\n");  in iwl_mvm_cooling_device_unregister()
856 	if (mvm->cooling_dev.cdev) {  in iwl_mvm_cooling_device_unregister()
857 		thermal_cooling_device_unregister(mvm->cooling_dev.cdev);  in iwl_mvm_cooling_device_unregister()
858 		mvm->cooling_dev.cdev = NULL;  in iwl_mvm_cooling_device_unregister()
863 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff)  in iwl_mvm_thermal_initialize()  argument
865 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_thermal_initialize()
867 	IWL_DEBUG_TEMP(mvm, "Initialize Thermal Throttling\n");  in iwl_mvm_thermal_initialize()
869 	if (mvm->cfg->thermal_params)  in iwl_mvm_thermal_initialize()
870 		tt->params = *mvm->cfg->thermal_params;  in iwl_mvm_thermal_initialize()
880 	iwl_mvm_cooling_device_register(mvm);  in iwl_mvm_thermal_initialize()
881 	iwl_mvm_thermal_zone_register(mvm);  in iwl_mvm_thermal_initialize()
883 	mvm->init_status |= IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE;  in iwl_mvm_thermal_initialize()
886 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm)  in iwl_mvm_thermal_exit()  argument
888 	if (!(mvm->init_status & IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE))  in iwl_mvm_thermal_exit()
891 	cancel_delayed_work_sync(&mvm->thermal_throttle.ct_kill_exit);  in iwl_mvm_thermal_exit()
892 	IWL_DEBUG_TEMP(mvm, "Exit Thermal Throttling\n");  in iwl_mvm_thermal_exit()
895 	iwl_mvm_cooling_device_unregister(mvm);  in iwl_mvm_thermal_exit()
896 	iwl_mvm_thermal_zone_unregister(mvm);  in iwl_mvm_thermal_exit()
898 	mvm->init_status &= ~IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE;  in iwl_mvm_thermal_exit()