13 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm)  in iwl_mvm_enter_ctkill()  argument
15 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_enter_ctkill()
18 	if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_enter_ctkill()
21 	IWL_ERR(mvm, "Enter CT Kill\n");  in iwl_mvm_enter_ctkill()
22 	iwl_mvm_set_hw_ctkill_state(mvm, true);  in iwl_mvm_enter_ctkill()
24 	if (!iwl_mvm_is_tt_in_fw(mvm)) {  in iwl_mvm_enter_ctkill()
33 	if (!mvm->temperature_test)  in iwl_mvm_enter_ctkill()
38 static void iwl_mvm_exit_ctkill(struct iwl_mvm *mvm)  in iwl_mvm_exit_ctkill()  argument
40 	if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_exit_ctkill()
43 	IWL_ERR(mvm, "Exit CT Kill\n");  in iwl_mvm_exit_ctkill()
44 	iwl_mvm_set_hw_ctkill_state(mvm, false);  in iwl_mvm_exit_ctkill()
47 static void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp)  in iwl_mvm_tt_temp_changed()  argument
50 	if (mvm->temperature_test)  in iwl_mvm_tt_temp_changed()
53 	if (mvm->temperature == temp)  in iwl_mvm_tt_temp_changed()
56 	mvm->temperature = temp;  in iwl_mvm_tt_temp_changed()
57 	iwl_mvm_tt_handler(mvm);  in iwl_mvm_tt_temp_changed()
60 static int iwl_mvm_temp_notif_parse(struct iwl_mvm *mvm,  in iwl_mvm_temp_notif_parse()  argument
71 		IWL_ERR(mvm, "Invalid DTS_MEASUREMENT_NOTIFICATION\n");  in iwl_mvm_temp_notif_parse()
83 	IWL_DEBUG_TEMP(mvm, "DTS_MEASUREMENT_NOTIFICATION - %d\n", temp);  in iwl_mvm_temp_notif_parse()
91 	struct iwl_mvm *mvm =  in iwl_mvm_temp_notif_wait()  local
96 	ret = iwl_mvm_temp_notif_parse(mvm, pkt);  in iwl_mvm_temp_notif_wait()
105 void iwl_mvm_temp_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)  in iwl_mvm_temp_notif()  argument
114 	if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_temp_notif()
117 	temp = iwl_mvm_temp_notif_parse(mvm, pkt);  in iwl_mvm_temp_notif()
119 	if (!iwl_mvm_is_tt_in_fw(mvm)) {  in iwl_mvm_temp_notif()
121 			iwl_mvm_tt_temp_changed(mvm, temp);  in iwl_mvm_temp_notif()
126 		IWL_ERR(mvm, "Invalid DTS_MEASUREMENT_NOTIFICATION\n");  in iwl_mvm_temp_notif()
139 	IWL_DEBUG_TEMP(mvm, "Temp = %d Threshold crossed = %d\n",  in iwl_mvm_temp_notif()
146 	if (mvm->tz_device.tzone) {  in iwl_mvm_temp_notif()
147 		struct iwl_mvm_thermal_device *tz_dev = &mvm->tz_device;  in iwl_mvm_temp_notif()
155 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)  in iwl_mvm_ct_kill_notif()  argument
161 	IWL_DEBUG_TEMP(mvm, "CT Kill notification temperature = %d\n",  in iwl_mvm_ct_kill_notif()
163 	if (iwl_fw_lookup_notif_ver(mvm->fw, PHY_OPS_GROUP,  in iwl_mvm_ct_kill_notif()
165 		IWL_DEBUG_TEMP(mvm,  in iwl_mvm_ct_kill_notif()
169 	iwl_mvm_enter_ctkill(mvm);  in iwl_mvm_ct_kill_notif()
176 static int iwl_mvm_send_temp_cmd(struct iwl_mvm *mvm, bool response, s32 *temp)  in iwl_mvm_send_temp_cmd()  argument
192 	if (fw_has_capa(&mvm->fw->ucode_capa,  in iwl_mvm_send_temp_cmd()
211 	IWL_DEBUG_TEMP(mvm,  in iwl_mvm_send_temp_cmd()
214 	ret = iwl_mvm_send_cmd(mvm, &cmd);  in iwl_mvm_send_temp_cmd()
217 		IWL_ERR(mvm,  in iwl_mvm_send_temp_cmd()
226 		IWL_DEBUG_TEMP(mvm,  in iwl_mvm_send_temp_cmd()
235 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp)  in iwl_mvm_get_temp()  argument
248 	cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,  in iwl_mvm_get_temp()
252 		return iwl_mvm_send_temp_cmd(mvm, true, temp);  in iwl_mvm_get_temp()
254 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_get_temp()
256 	iwl_init_notification_wait(&mvm->notif_wait, &wait_temp_notif,  in iwl_mvm_get_temp()
260 	ret = iwl_mvm_send_temp_cmd(mvm, false, temp);  in iwl_mvm_get_temp()
262 		iwl_remove_notification(&mvm->notif_wait, &wait_temp_notif);  in iwl_mvm_get_temp()
266 	ret = iwl_wait_notification(&mvm->notif_wait, &wait_temp_notif,  in iwl_mvm_get_temp()
269 		IWL_WARN(mvm, "Getting the temperature timed out\n");  in iwl_mvm_get_temp()
277 	struct iwl_mvm *mvm;  in check_exit_ctkill()  local
283 	mvm = container_of(tt, struct iwl_mvm, thermal_throttle);  in check_exit_ctkill()
285 	if (iwl_mvm_is_tt_in_fw(mvm)) {  in check_exit_ctkill()
286 		iwl_mvm_exit_ctkill(mvm);  in check_exit_ctkill()
293 	flush_work(&mvm->roc_done_wk);  in check_exit_ctkill()
295 	mutex_lock(&mvm->mutex);  in check_exit_ctkill()
297 	if (__iwl_mvm_mac_start(mvm))  in check_exit_ctkill()
300 	ret = iwl_mvm_get_temp(mvm, &temp);  in check_exit_ctkill()
302 	__iwl_mvm_mac_stop(mvm);  in check_exit_ctkill()
307 	IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", temp);  in check_exit_ctkill()
310 		mutex_unlock(&mvm->mutex);  in check_exit_ctkill()
311 		iwl_mvm_exit_ctkill(mvm);  in check_exit_ctkill()
316 	mutex_unlock(&mvm->mutex);  in check_exit_ctkill()
317 	schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit,  in check_exit_ctkill()
324 	struct iwl_mvm *mvm = _data;  in iwl_mvm_tt_smps_iterator()  local
327 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tt_smps_iterator()
329 	if (mvm->thermal_throttle.dynamic_smps)  in iwl_mvm_tt_smps_iterator()
337 	iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, smps_mode);  in iwl_mvm_tt_smps_iterator()
340 static void iwl_mvm_tt_tx_protection(struct iwl_mvm *mvm, bool enable)  in iwl_mvm_tt_tx_protection()  argument
345 	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {  in iwl_mvm_tt_tx_protection()
346 		mvmsta = iwl_mvm_sta_from_staid_protected(mvm, i);  in iwl_mvm_tt_tx_protection()
352 		err = iwl_mvm_tx_protection(mvm, mvmsta, enable);  in iwl_mvm_tt_tx_protection()
354 			IWL_ERR(mvm, "Failed to %s Tx protection\n",  in iwl_mvm_tt_tx_protection()
357 			IWL_DEBUG_TEMP(mvm, "%s Tx protection\n",  in iwl_mvm_tt_tx_protection()
364 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff)  in iwl_mvm_tt_tx_backoff()  argument
372 	backoff = max(backoff, mvm->thermal_throttle.min_backoff);  in iwl_mvm_tt_tx_backoff()
374 	if (iwl_mvm_send_cmd(mvm, &cmd) == 0) {  in iwl_mvm_tt_tx_backoff()
375 		IWL_DEBUG_TEMP(mvm, "Set Thermal Tx backoff to: %u\n",  in iwl_mvm_tt_tx_backoff()
377 		mvm->thermal_throttle.tx_backoff = backoff;  in iwl_mvm_tt_tx_backoff()
379 		IWL_ERR(mvm, "Failed to change Thermal Tx backoff\n");  in iwl_mvm_tt_tx_backoff()
383 void iwl_mvm_tt_handler(struct iwl_mvm *mvm)  in iwl_mvm_tt_handler()  argument
385 	struct iwl_tt_params *params = &mvm->thermal_throttle.params;  in iwl_mvm_tt_handler()
386 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_tt_handler()
387 	s32 temperature = mvm->temperature;  in iwl_mvm_tt_handler()
392 	IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", mvm->temperature);  in iwl_mvm_tt_handler()
395 		iwl_mvm_enter_ctkill(mvm);  in iwl_mvm_tt_handler()
401 		iwl_mvm_exit_ctkill(mvm);  in iwl_mvm_tt_handler()
408 			IWL_DEBUG_TEMP(mvm, "Enable dynamic SMPS\n");  in iwl_mvm_tt_handler()
411 					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,  in iwl_mvm_tt_handler()
412 					iwl_mvm_tt_smps_iterator, mvm);  in iwl_mvm_tt_handler()
416 			IWL_DEBUG_TEMP(mvm, "Disable dynamic SMPS\n");  in iwl_mvm_tt_handler()
419 					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,  in iwl_mvm_tt_handler()
420 					iwl_mvm_tt_smps_iterator, mvm);  in iwl_mvm_tt_handler()
426 			iwl_mvm_tt_tx_protection(mvm, true);  in iwl_mvm_tt_handler()
429 			iwl_mvm_tt_tx_protection(mvm, false);  in iwl_mvm_tt_handler()
444 			iwl_mvm_tt_tx_backoff(mvm, tx_backoff);  in iwl_mvm_tt_handler()
448 		IWL_WARN(mvm,  in iwl_mvm_tt_handler()
454 		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
737 	if (!iwl_mvm_is_tt_in_fw(mvm)) {  in iwl_mvm_thermal_zone_register()
738 		mvm->tz_device.tzone = NULL;  in iwl_mvm_thermal_zone_register()
746 	mvm->tz_device.tzone = thermal_zone_device_register(name,  in iwl_mvm_thermal_zone_register()
749 							mvm, &tzone_ops,  in iwl_mvm_thermal_zone_register()
751 	if (IS_ERR(mvm->tz_device.tzone)) {  in iwl_mvm_thermal_zone_register()
752 		IWL_DEBUG_TEMP(mvm,  in iwl_mvm_thermal_zone_register()
754 			       PTR_ERR(mvm->tz_device.tzone));  in iwl_mvm_thermal_zone_register()
755 		mvm->tz_device.tzone = NULL;  in iwl_mvm_thermal_zone_register()
759 	ret = thermal_zone_device_enable(mvm->tz_device.tzone);  in iwl_mvm_thermal_zone_register()
761 		IWL_DEBUG_TEMP(mvm, "Failed to enable thermal zone\n");  in iwl_mvm_thermal_zone_register()
762 		thermal_zone_device_unregister(mvm->tz_device.tzone);  in iwl_mvm_thermal_zone_register()
770 		mvm->tz_device.temp_trips[i] = S16_MIN;  in iwl_mvm_thermal_zone_register()
784 	struct iwl_mvm *mvm = (struct iwl_mvm *)(cdev->devdata);  in iwl_mvm_tcool_get_cur_state()  local
786 	*state = mvm->cooling_dev.cur_state;  in iwl_mvm_tcool_get_cur_state()
794 	struct iwl_mvm *mvm = (struct iwl_mvm *)(cdev->devdata);  in iwl_mvm_tcool_set_cur_state()  local
797 	mutex_lock(&mvm->mutex);  in iwl_mvm_tcool_set_cur_state()
799 	if (!iwl_mvm_firmware_running(mvm) ||  in iwl_mvm_tcool_set_cur_state()
800 	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) {  in iwl_mvm_tcool_set_cur_state()
810 	ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,  in iwl_mvm_tcool_set_cur_state()
814 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tcool_set_cur_state()
824 static void iwl_mvm_cooling_device_register(struct iwl_mvm *mvm)  in iwl_mvm_cooling_device_register()  argument
828 	if (!iwl_mvm_is_ctdp_supported(mvm))  in iwl_mvm_cooling_device_register()
833 	mvm->cooling_dev.cdev =  in iwl_mvm_cooling_device_register()
835 						mvm,  in iwl_mvm_cooling_device_register()
838 	if (IS_ERR(mvm->cooling_dev.cdev)) {  in iwl_mvm_cooling_device_register()
839 		IWL_DEBUG_TEMP(mvm,  in iwl_mvm_cooling_device_register()
841 			       PTR_ERR(mvm->cooling_dev.cdev));  in iwl_mvm_cooling_device_register()
842 		mvm->cooling_dev.cdev = NULL;  in iwl_mvm_cooling_device_register()
847 static void iwl_mvm_thermal_zone_unregister(struct iwl_mvm *mvm)  in iwl_mvm_thermal_zone_unregister()  argument
849 	if (!iwl_mvm_is_tt_in_fw(mvm) || !mvm->tz_device.tzone)  in iwl_mvm_thermal_zone_unregister()
852 	IWL_DEBUG_TEMP(mvm, "Thermal zone device unregister\n");  in iwl_mvm_thermal_zone_unregister()
853 	if (mvm->tz_device.tzone) {  in iwl_mvm_thermal_zone_unregister()
854 		thermal_zone_device_unregister(mvm->tz_device.tzone);  in iwl_mvm_thermal_zone_unregister()
855 		mvm->tz_device.tzone = NULL;  in iwl_mvm_thermal_zone_unregister()
859 static void iwl_mvm_cooling_device_unregister(struct iwl_mvm *mvm)  in iwl_mvm_cooling_device_unregister()  argument
861 	if (!iwl_mvm_is_ctdp_supported(mvm) || !mvm->cooling_dev.cdev)  in iwl_mvm_cooling_device_unregister()
864 	IWL_DEBUG_TEMP(mvm, "Cooling device unregister\n");  in iwl_mvm_cooling_device_unregister()
865 	if (mvm->cooling_dev.cdev) {  in iwl_mvm_cooling_device_unregister()
866 		thermal_cooling_device_unregister(mvm->cooling_dev.cdev);  in iwl_mvm_cooling_device_unregister()
867 		mvm->cooling_dev.cdev = NULL;  in iwl_mvm_cooling_device_unregister()
872 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff)  in iwl_mvm_thermal_initialize()  argument
874 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_thermal_initialize()
876 	IWL_DEBUG_TEMP(mvm, "Initialize Thermal Throttling\n");  in iwl_mvm_thermal_initialize()
878 	if (mvm->cfg->thermal_params)  in iwl_mvm_thermal_initialize()
879 		tt->params = *mvm->cfg->thermal_params;  in iwl_mvm_thermal_initialize()
889 	iwl_mvm_cooling_device_register(mvm);  in iwl_mvm_thermal_initialize()
890 	iwl_mvm_thermal_zone_register(mvm);  in iwl_mvm_thermal_initialize()
892 	mvm->init_status |= IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE;  in iwl_mvm_thermal_initialize()
895 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm)  in iwl_mvm_thermal_exit()  argument
897 	if (!(mvm->init_status & IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE))  in iwl_mvm_thermal_exit()
900 	cancel_delayed_work_sync(&mvm->thermal_throttle.ct_kill_exit);  in iwl_mvm_thermal_exit()
901 	IWL_DEBUG_TEMP(mvm, "Exit Thermal Throttling\n");  in iwl_mvm_thermal_exit()
904 	iwl_mvm_cooling_device_unregister(mvm);  in iwl_mvm_thermal_exit()
905 	iwl_mvm_thermal_zone_unregister(mvm);  in iwl_mvm_thermal_exit()
907 	mvm->init_status &= ~IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE;  in iwl_mvm_thermal_exit()