71 static void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm)  in iwl_mvm_enter_ctkill()  argument
73 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_enter_ctkill()
76 	if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_enter_ctkill()
79 	IWL_ERR(mvm, "Enter CT Kill\n");  in iwl_mvm_enter_ctkill()
80 	iwl_mvm_set_hw_ctkill_state(mvm, true);  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
124 		IWL_ERR(mvm, "Invalid DTS_MEASUREMENT_NOTIFICATION\n");  in iwl_mvm_temp_notif_parse()
136 	IWL_DEBUG_TEMP(mvm, "DTS_MEASUREMENT_NOTIFICATION - %d\n", temp);  in iwl_mvm_temp_notif_parse()
144 	struct iwl_mvm *mvm =  in iwl_mvm_temp_notif_wait()  local
149 	ret = iwl_mvm_temp_notif_parse(mvm, pkt);  in iwl_mvm_temp_notif_wait()
158 void iwl_mvm_temp_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)  in iwl_mvm_temp_notif()  argument
164 	if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))  in iwl_mvm_temp_notif()
167 	temp = iwl_mvm_temp_notif_parse(mvm, pkt);  in iwl_mvm_temp_notif()
171 	iwl_mvm_tt_temp_changed(mvm, temp);  in iwl_mvm_temp_notif()
174 static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm)  in iwl_mvm_get_temp_cmd()  argument
184 	if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_WIDE_CMD_HDR))  in iwl_mvm_get_temp_cmd()
190 	if (!fw_has_capa(&mvm->fw->ucode_capa,  in iwl_mvm_get_temp_cmd()
192 		return iwl_mvm_send_cmd_pdu(mvm, cmdid, 0, sizeof(cmd), &cmd);  in iwl_mvm_get_temp_cmd()
194 	return iwl_mvm_send_cmd_pdu(mvm, cmdid, 0, sizeof(extcmd), &extcmd);  in iwl_mvm_get_temp_cmd()
197 int iwl_mvm_get_temp(struct iwl_mvm *mvm)  in iwl_mvm_get_temp()  argument
204 	if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_WIDE_CMD_HDR))  in iwl_mvm_get_temp()
207 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_get_temp()
209 	iwl_init_notification_wait(&mvm->notif_wait, &wait_temp_notif,  in iwl_mvm_get_temp()
213 	ret = iwl_mvm_get_temp_cmd(mvm);  in iwl_mvm_get_temp()
215 		IWL_ERR(mvm, "Failed to get the temperature (err=%d)\n", ret);  in iwl_mvm_get_temp()
216 		iwl_remove_notification(&mvm->notif_wait, &wait_temp_notif);  in iwl_mvm_get_temp()
220 	ret = iwl_wait_notification(&mvm->notif_wait, &wait_temp_notif,  in iwl_mvm_get_temp()
223 		IWL_ERR(mvm, "Getting the temperature timed out\n");  in iwl_mvm_get_temp()
233 	struct iwl_mvm *mvm;  in check_exit_ctkill()  local
238 	mvm = container_of(tt, struct iwl_mvm, thermal_throttle);  in check_exit_ctkill()
242 	mutex_lock(&mvm->mutex);  in check_exit_ctkill()
244 	if (__iwl_mvm_mac_start(mvm))  in check_exit_ctkill()
248 	if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_CHECK_CTKILL)) {  in check_exit_ctkill()
249 		__iwl_mvm_mac_stop(mvm);  in check_exit_ctkill()
253 	temp = iwl_mvm_get_temp(mvm);  in check_exit_ctkill()
255 	iwl_mvm_unref(mvm, IWL_MVM_REF_CHECK_CTKILL);  in check_exit_ctkill()
257 	__iwl_mvm_mac_stop(mvm);  in check_exit_ctkill()
262 	IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", temp);  in check_exit_ctkill()
265 		mutex_unlock(&mvm->mutex);  in check_exit_ctkill()
266 		iwl_mvm_exit_ctkill(mvm);  in check_exit_ctkill()
271 	mutex_unlock(&mvm->mutex);  in check_exit_ctkill()
272 	schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit,  in check_exit_ctkill()
279 	struct iwl_mvm *mvm = _data;  in iwl_mvm_tt_smps_iterator()  local
282 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tt_smps_iterator()
284 	if (mvm->thermal_throttle.dynamic_smps)  in iwl_mvm_tt_smps_iterator()
292 	iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, smps_mode);  in iwl_mvm_tt_smps_iterator()
295 static void iwl_mvm_tt_tx_protection(struct iwl_mvm *mvm, bool enable)  in iwl_mvm_tt_tx_protection()  argument
302 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_tt_tx_protection()
303 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_tt_tx_protection()
309 		err = iwl_mvm_tx_protection(mvm, mvmsta, enable);  in iwl_mvm_tt_tx_protection()
311 			IWL_ERR(mvm, "Failed to %s Tx protection\n",  in iwl_mvm_tt_tx_protection()
314 			IWL_DEBUG_TEMP(mvm, "%s Tx protection\n",  in iwl_mvm_tt_tx_protection()
321 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff)  in iwl_mvm_tt_tx_backoff()  argument
329 	backoff = max(backoff, mvm->thermal_throttle.min_backoff);  in iwl_mvm_tt_tx_backoff()
331 	if (iwl_mvm_send_cmd(mvm, &cmd) == 0) {  in iwl_mvm_tt_tx_backoff()
332 		IWL_DEBUG_TEMP(mvm, "Set Thermal Tx backoff to: %u\n",  in iwl_mvm_tt_tx_backoff()
334 		mvm->thermal_throttle.tx_backoff = backoff;  in iwl_mvm_tt_tx_backoff()
336 		IWL_ERR(mvm, "Failed to change Thermal Tx backoff\n");  in iwl_mvm_tt_tx_backoff()
340 void iwl_mvm_tt_handler(struct iwl_mvm *mvm)  in iwl_mvm_tt_handler()  argument
342 	struct iwl_tt_params *params = &mvm->thermal_throttle.params;  in iwl_mvm_tt_handler()
343 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_tt_handler()
344 	s32 temperature = mvm->temperature;  in iwl_mvm_tt_handler()
349 	IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", mvm->temperature);  in iwl_mvm_tt_handler()
352 		iwl_mvm_enter_ctkill(mvm);  in iwl_mvm_tt_handler()
358 		iwl_mvm_exit_ctkill(mvm);  in iwl_mvm_tt_handler()
365 			IWL_DEBUG_TEMP(mvm, "Enable dynamic SMPS\n");  in iwl_mvm_tt_handler()
368 					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,  in iwl_mvm_tt_handler()
369 					iwl_mvm_tt_smps_iterator, mvm);  in iwl_mvm_tt_handler()
373 			IWL_DEBUG_TEMP(mvm, "Disable dynamic SMPS\n");  in iwl_mvm_tt_handler()
376 					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,  in iwl_mvm_tt_handler()
377 					iwl_mvm_tt_smps_iterator, mvm);  in iwl_mvm_tt_handler()
383 			iwl_mvm_tt_tx_protection(mvm, true);  in iwl_mvm_tt_handler()
386 			iwl_mvm_tt_tx_protection(mvm, false);  in iwl_mvm_tt_handler()
401 			iwl_mvm_tt_tx_backoff(mvm, tx_backoff);  in iwl_mvm_tt_handler()
405 		IWL_WARN(mvm,  in iwl_mvm_tt_handler()
411 		IWL_WARN(mvm,  in iwl_mvm_tt_handler()
439 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff)  in iwl_mvm_tt_initialize()  argument
441 	struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;  in iwl_mvm_tt_initialize()
443 	IWL_DEBUG_TEMP(mvm, "Initialize Thermal Throttling\n");  in iwl_mvm_tt_initialize()
445 	if (mvm->cfg->thermal_params)  in iwl_mvm_tt_initialize()
446 		tt->params = *mvm->cfg->thermal_params;  in iwl_mvm_tt_initialize()
456 void iwl_mvm_tt_exit(struct iwl_mvm *mvm)  in iwl_mvm_tt_exit()  argument
458 	cancel_delayed_work_sync(&mvm->thermal_throttle.ct_kill_exit);  in iwl_mvm_tt_exit()
459 	IWL_DEBUG_TEMP(mvm, "Exit Thermal Throttling\n");  in iwl_mvm_tt_exit()