70 static void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm)  in iwl_mvm_enter_ctkill()  argument
72 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_enter_ctkill()
73 	u32 duration = mvm->thermal_throttle.params->ct_kill_duration;  in iwl_mvm_enter_ctkill()
75 	if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_enter_ctkill()
78 	IWL_ERR(mvm, "Enter CT Kill\n");  in iwl_mvm_enter_ctkill()
79 	iwl_mvm_set_hw_ctkill_state(mvm, true);  in iwl_mvm_enter_ctkill()
88 	if (!mvm->temperature_test)  in iwl_mvm_enter_ctkill()
93 static void iwl_mvm_exit_ctkill(struct iwl_mvm *mvm)  in iwl_mvm_exit_ctkill()  argument
95 	if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_exit_ctkill()
98 	IWL_ERR(mvm, "Exit CT Kill\n");  in iwl_mvm_exit_ctkill()
99 	iwl_mvm_set_hw_ctkill_state(mvm, false);  in iwl_mvm_exit_ctkill()
102 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp)  in iwl_mvm_tt_temp_changed()  argument
105 	if (mvm->temperature_test)  in iwl_mvm_tt_temp_changed()
108 	if (mvm->temperature == temp)  in iwl_mvm_tt_temp_changed()
111 	mvm->temperature = temp;  in iwl_mvm_tt_temp_changed()
112 	iwl_mvm_tt_handler(mvm);  in iwl_mvm_tt_temp_changed()
115 static int iwl_mvm_temp_notif_parse(struct iwl_mvm *mvm,  in iwl_mvm_temp_notif_parse()  argument
123 		IWL_ERR(mvm, "Invalid DTS_MEASUREMENT_NOTIFICATION\n");  in iwl_mvm_temp_notif_parse()
135 	IWL_DEBUG_TEMP(mvm, "DTS_MEASUREMENT_NOTIFICATION - %d\n", temp);  in iwl_mvm_temp_notif_parse()
143 	struct iwl_mvm *mvm =  in iwl_mvm_temp_notif_wait()  local
148 	ret = iwl_mvm_temp_notif_parse(mvm, pkt);  in iwl_mvm_temp_notif_wait()
157 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,  in iwl_mvm_temp_notif()  argument
165 	if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_temp_notif()
168 	temp = iwl_mvm_temp_notif_parse(mvm, pkt);  in iwl_mvm_temp_notif()
172 	iwl_mvm_tt_temp_changed(mvm, temp);  in iwl_mvm_temp_notif()
177 static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm)  in iwl_mvm_get_temp_cmd()  argument
183 	return iwl_mvm_send_cmd_pdu(mvm, CMD_DTS_MEASUREMENT_TRIGGER, 0,  in iwl_mvm_get_temp_cmd()
187 int iwl_mvm_get_temp(struct iwl_mvm *mvm)  in iwl_mvm_get_temp()  argument
193 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_get_temp()
195 	iwl_init_notification_wait(&mvm->notif_wait, &wait_temp_notif,  in iwl_mvm_get_temp()
199 	ret = iwl_mvm_get_temp_cmd(mvm);  in iwl_mvm_get_temp()
201 		IWL_ERR(mvm, "Failed to get the temperature (err=%d)\n", ret);  in iwl_mvm_get_temp()
202 		iwl_remove_notification(&mvm->notif_wait, &wait_temp_notif);  in iwl_mvm_get_temp()
206 	ret = iwl_wait_notification(&mvm->notif_wait, &wait_temp_notif,  in iwl_mvm_get_temp()
209 		IWL_ERR(mvm, "Getting the temperature timed out\n");  in iwl_mvm_get_temp()
219 	struct iwl_mvm *mvm;  in check_exit_ctkill()  local
224 	mvm = container_of(tt, struct iwl_mvm, thermal_throttle);  in check_exit_ctkill()
228 	mutex_lock(&mvm->mutex);  in check_exit_ctkill()
230 	if (__iwl_mvm_mac_start(mvm))  in check_exit_ctkill()
234 	if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_CHECK_CTKILL)) {  in check_exit_ctkill()
235 		__iwl_mvm_mac_stop(mvm);  in check_exit_ctkill()
239 	temp = iwl_mvm_get_temp(mvm);  in check_exit_ctkill()
241 	iwl_mvm_unref(mvm, IWL_MVM_REF_CHECK_CTKILL);  in check_exit_ctkill()
243 	__iwl_mvm_mac_stop(mvm);  in check_exit_ctkill()
248 	IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", temp);  in check_exit_ctkill()
251 		mutex_unlock(&mvm->mutex);  in check_exit_ctkill()
252 		iwl_mvm_exit_ctkill(mvm);  in check_exit_ctkill()
257 	mutex_unlock(&mvm->mutex);  in check_exit_ctkill()
258 	schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit,  in check_exit_ctkill()
265 	struct iwl_mvm *mvm = _data;  in iwl_mvm_tt_smps_iterator()  local
268 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tt_smps_iterator()
270 	if (mvm->thermal_throttle.dynamic_smps)  in iwl_mvm_tt_smps_iterator()
278 	iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, smps_mode);  in iwl_mvm_tt_smps_iterator()
281 static void iwl_mvm_tt_tx_protection(struct iwl_mvm *mvm, bool enable)  in iwl_mvm_tt_tx_protection()  argument
288 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_tt_tx_protection()
289 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_tt_tx_protection()
295 		err = iwl_mvm_tx_protection(mvm, mvmsta, enable);  in iwl_mvm_tt_tx_protection()
297 			IWL_ERR(mvm, "Failed to %s Tx protection\n",  in iwl_mvm_tt_tx_protection()
300 			IWL_DEBUG_TEMP(mvm, "%s Tx protection\n",  in iwl_mvm_tt_tx_protection()
307 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff)  in iwl_mvm_tt_tx_backoff()  argument
315 	backoff = max(backoff, mvm->thermal_throttle.min_backoff);  in iwl_mvm_tt_tx_backoff()
317 	if (iwl_mvm_send_cmd(mvm, &cmd) == 0) {  in iwl_mvm_tt_tx_backoff()
318 		IWL_DEBUG_TEMP(mvm, "Set Thermal Tx backoff to: %u\n",  in iwl_mvm_tt_tx_backoff()
320 		mvm->thermal_throttle.tx_backoff = backoff;  in iwl_mvm_tt_tx_backoff()
322 		IWL_ERR(mvm, "Failed to change Thermal Tx backoff\n");  in iwl_mvm_tt_tx_backoff()
326 void iwl_mvm_tt_handler(struct iwl_mvm *mvm)  in iwl_mvm_tt_handler()  argument
328 	const struct iwl_tt_params *params = mvm->thermal_throttle.params;  in iwl_mvm_tt_handler()
329 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_tt_handler()
330 	s32 temperature = mvm->temperature;  in iwl_mvm_tt_handler()
335 	IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", mvm->temperature);  in iwl_mvm_tt_handler()
338 		iwl_mvm_enter_ctkill(mvm);  in iwl_mvm_tt_handler()
344 		iwl_mvm_exit_ctkill(mvm);  in iwl_mvm_tt_handler()
351 			IWL_DEBUG_TEMP(mvm, "Enable dynamic SMPS\n");  in iwl_mvm_tt_handler()
354 					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,  in iwl_mvm_tt_handler()
355 					iwl_mvm_tt_smps_iterator, mvm);  in iwl_mvm_tt_handler()
359 			IWL_DEBUG_TEMP(mvm, "Disable dynamic SMPS\n");  in iwl_mvm_tt_handler()
362 					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,  in iwl_mvm_tt_handler()
363 					iwl_mvm_tt_smps_iterator, mvm);  in iwl_mvm_tt_handler()
369 			iwl_mvm_tt_tx_protection(mvm, true);  in iwl_mvm_tt_handler()
372 			iwl_mvm_tt_tx_protection(mvm, false);  in iwl_mvm_tt_handler()
387 			iwl_mvm_tt_tx_backoff(mvm, tx_backoff);  in iwl_mvm_tt_handler()
391 		IWL_WARN(mvm,  in iwl_mvm_tt_handler()
397 		IWL_WARN(mvm,  in iwl_mvm_tt_handler()
447 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff)  in iwl_mvm_tt_initialize()  argument
449 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_tt_initialize()
451 	IWL_DEBUG_TEMP(mvm, "Initialize Thermal Throttling\n");  in iwl_mvm_tt_initialize()
453 	if (mvm->cfg->high_temp)  in iwl_mvm_tt_initialize()
464 void iwl_mvm_tt_exit(struct iwl_mvm *mvm)  in iwl_mvm_tt_exit()  argument
466 	cancel_delayed_work_sync(&mvm->thermal_throttle.ct_kill_exit);  in iwl_mvm_tt_exit()
467 	IWL_DEBUG_TEMP(mvm, "Exit Thermal Throttling\n");  in iwl_mvm_tt_exit()