90 	struct drm_dp_aux *aux = cec_get_drvdata(adap);  in drm_dp_cec_adap_enable()  local
94 	err = drm_dp_dpcd_writeb(aux, DP_CEC_TUNNELING_CONTROL, val);  in drm_dp_cec_adap_enable()
100 	struct drm_dp_aux *aux = cec_get_drvdata(adap);  in drm_dp_cec_adap_log_addr()  local
110 	err = drm_dp_dpcd_write(aux, DP_CEC_LOGICAL_ADDRESS_MASK, mask, 2);  in drm_dp_cec_adap_log_addr()
117 	struct drm_dp_aux *aux = cec_get_drvdata(adap);  in drm_dp_cec_adap_transmit()  local
121 	err = drm_dp_dpcd_write(aux, DP_CEC_TX_MESSAGE_BUFFER,  in drm_dp_cec_adap_transmit()
126 	err = drm_dp_dpcd_writeb(aux, DP_CEC_TX_MESSAGE_INFO,  in drm_dp_cec_adap_transmit()
135 	struct drm_dp_aux *aux = cec_get_drvdata(adap);  in drm_dp_cec_adap_monitor_all_enable()  local
142 	err = drm_dp_dpcd_readb(aux, DP_CEC_TUNNELING_CONTROL, &val);  in drm_dp_cec_adap_monitor_all_enable()
148 		err = drm_dp_dpcd_writeb(aux, DP_CEC_TUNNELING_CONTROL, val);  in drm_dp_cec_adap_monitor_all_enable()
156 	struct drm_dp_aux *aux = cec_get_drvdata(adap);  in drm_dp_cec_adap_status()  local
160 	if (drm_dp_read_desc(aux, &desc, true))  in drm_dp_cec_adap_status()
185 static int drm_dp_cec_received(struct drm_dp_aux *aux)  in drm_dp_cec_received()  argument
187 	struct cec_adapter *adap = aux->cec.adap;  in drm_dp_cec_received()
192 	err = drm_dp_dpcd_readb(aux, DP_CEC_RX_MESSAGE_INFO, &rx_msg_info);  in drm_dp_cec_received()
200 	err = drm_dp_dpcd_read(aux, DP_CEC_RX_MESSAGE_BUFFER, msg.msg, msg.len);  in drm_dp_cec_received()
208 static void drm_dp_cec_handle_irq(struct drm_dp_aux *aux)  in drm_dp_cec_handle_irq()  argument
210 	struct cec_adapter *adap = aux->cec.adap;  in drm_dp_cec_handle_irq()
213 	if (drm_dp_dpcd_readb(aux, DP_CEC_TUNNELING_IRQ_FLAGS, &flags) < 0)  in drm_dp_cec_handle_irq()
217 		drm_dp_cec_received(aux);  in drm_dp_cec_handle_irq()
228 	drm_dp_dpcd_writeb(aux, DP_CEC_TUNNELING_IRQ_FLAGS, flags);  in drm_dp_cec_handle_irq()
238 void drm_dp_cec_irq(struct drm_dp_aux *aux)  in drm_dp_cec_irq()  argument
244 	if (!aux->transfer)  in drm_dp_cec_irq()
247 	mutex_lock(&aux->cec.lock);  in drm_dp_cec_irq()
248 	if (!aux->cec.adap)  in drm_dp_cec_irq()
251 	ret = drm_dp_dpcd_readb(aux, DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1,  in drm_dp_cec_irq()
256 	drm_dp_cec_handle_irq(aux);  in drm_dp_cec_irq()
257 	drm_dp_dpcd_writeb(aux, DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1, DP_CEC_IRQ);  in drm_dp_cec_irq()
259 	mutex_unlock(&aux->cec.lock);  in drm_dp_cec_irq()
263 static bool drm_dp_cec_cap(struct drm_dp_aux *aux, u8 *cec_cap)  in drm_dp_cec_cap()  argument
267 	if (drm_dp_dpcd_readb(aux, DP_CEC_TUNNELING_CAPABILITY, &cap) != 1 ||  in drm_dp_cec_cap()
281 	struct drm_dp_aux *aux = container_of(work, struct drm_dp_aux,  in drm_dp_cec_unregister_work()  local
284 	mutex_lock(&aux->cec.lock);  in drm_dp_cec_unregister_work()
285 	cec_unregister_adapter(aux->cec.adap);  in drm_dp_cec_unregister_work()
286 	aux->cec.adap = NULL;  in drm_dp_cec_unregister_work()
287 	mutex_unlock(&aux->cec.lock);  in drm_dp_cec_unregister_work()
296 void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid)  in drm_dp_cec_set_edid()  argument
303 	if (!aux->transfer)  in drm_dp_cec_set_edid()
316 	cancel_delayed_work_sync(&aux->cec.unregister_work);  in drm_dp_cec_set_edid()
318 	mutex_lock(&aux->cec.lock);  in drm_dp_cec_set_edid()
319 	if (!drm_dp_cec_cap(aux, &cap)) {  in drm_dp_cec_set_edid()
321 		cec_unregister_adapter(aux->cec.adap);  in drm_dp_cec_set_edid()
322 		aux->cec.adap = NULL;  in drm_dp_cec_set_edid()
331 	if (aux->cec.adap) {  in drm_dp_cec_set_edid()
332 		if (aux->cec.adap->capabilities == cec_caps &&  in drm_dp_cec_set_edid()
333 		    aux->cec.adap->available_log_addrs == num_las) {  in drm_dp_cec_set_edid()
335 			cec_s_phys_addr_from_edid(aux->cec.adap, edid);  in drm_dp_cec_set_edid()
342 		cec_unregister_adapter(aux->cec.adap);  in drm_dp_cec_set_edid()
346 	aux->cec.adap = cec_allocate_adapter(&drm_dp_cec_adap_ops,  in drm_dp_cec_set_edid()
347 					     aux, aux->cec.name, cec_caps,  in drm_dp_cec_set_edid()
349 	if (IS_ERR(aux->cec.adap)) {  in drm_dp_cec_set_edid()
350 		aux->cec.adap = NULL;  in drm_dp_cec_set_edid()
353 	if (cec_register_adapter(aux->cec.adap, aux->cec.parent)) {  in drm_dp_cec_set_edid()
354 		cec_delete_adapter(aux->cec.adap);  in drm_dp_cec_set_edid()
355 		aux->cec.adap = NULL;  in drm_dp_cec_set_edid()
362 		cec_s_phys_addr_from_edid(aux->cec.adap, edid);  in drm_dp_cec_set_edid()
365 	mutex_unlock(&aux->cec.lock);  in drm_dp_cec_set_edid()
372 void drm_dp_cec_unset_edid(struct drm_dp_aux *aux)  in drm_dp_cec_unset_edid()  argument
375 	if (!aux->transfer)  in drm_dp_cec_unset_edid()
378 	cancel_delayed_work_sync(&aux->cec.unregister_work);  in drm_dp_cec_unset_edid()
380 	mutex_lock(&aux->cec.lock);  in drm_dp_cec_unset_edid()
381 	if (!aux->cec.adap)  in drm_dp_cec_unset_edid()
384 	cec_phys_addr_invalidate(aux->cec.adap);  in drm_dp_cec_unset_edid()
392 	    !drm_dp_cec_cap(aux, NULL)) {  in drm_dp_cec_unset_edid()
398 		schedule_delayed_work(&aux->cec.unregister_work,  in drm_dp_cec_unset_edid()
402 	mutex_unlock(&aux->cec.lock);  in drm_dp_cec_unset_edid()
417 void drm_dp_cec_register_connector(struct drm_dp_aux *aux, const char *name,  in drm_dp_cec_register_connector()  argument
420 	WARN_ON(aux->cec.adap);  in drm_dp_cec_register_connector()
421 	if (WARN_ON(!aux->transfer))  in drm_dp_cec_register_connector()
423 	aux->cec.name = name;  in drm_dp_cec_register_connector()
424 	aux->cec.parent = parent;  in drm_dp_cec_register_connector()
425 	INIT_DELAYED_WORK(&aux->cec.unregister_work,  in drm_dp_cec_register_connector()
434 void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux)  in drm_dp_cec_unregister_connector()  argument
436 	if (!aux->cec.adap)  in drm_dp_cec_unregister_connector()
438 	cancel_delayed_work_sync(&aux->cec.unregister_work);  in drm_dp_cec_unregister_connector()
439 	cec_unregister_adapter(aux->cec.adap);  in drm_dp_cec_unregister_connector()
440 	aux->cec.adap = NULL;  in drm_dp_cec_unregister_connector()