29 	return &fh->adap->devnode;  in cec_devnode_data()
38 	struct cec_adapter *adap = fh->adap;  in cec_poll()  local
42 	if (!cec_is_registered(adap))  in cec_poll()
44 	mutex_lock(&adap->lock);  in cec_poll()
45 	if (adap->is_configured &&  in cec_poll()
46 	    adap->transmit_queue_sz < CEC_MAX_MSG_TX_QUEUE_SZ)  in cec_poll()
52 	mutex_unlock(&adap->lock);  in cec_poll()
56 static bool cec_is_busy(const struct cec_adapter *adap,  in cec_is_busy()  argument
59 	bool valid_initiator = adap->cec_initiator && adap->cec_initiator == fh;  in cec_is_busy()
60 	bool valid_follower = adap->cec_follower && adap->cec_follower == fh;  in cec_is_busy()
71 	return adap->cec_initiator ||  in cec_is_busy()
75 static long cec_adap_g_caps(struct cec_adapter *adap,  in cec_adap_g_caps()  argument
80 	strscpy(caps.driver, adap->devnode.dev.parent->driver->name,  in cec_adap_g_caps()
82 	strscpy(caps.name, adap->name, sizeof(caps.name));  in cec_adap_g_caps()
83 	caps.available_log_addrs = adap->available_log_addrs;  in cec_adap_g_caps()
84 	caps.capabilities = adap->capabilities;  in cec_adap_g_caps()
91 static long cec_adap_g_phys_addr(struct cec_adapter *adap,  in cec_adap_g_phys_addr()  argument
96 	mutex_lock(&adap->lock);  in cec_adap_g_phys_addr()
97 	phys_addr = adap->phys_addr;  in cec_adap_g_phys_addr()
98 	mutex_unlock(&adap->lock);  in cec_adap_g_phys_addr()
121 static long cec_adap_s_phys_addr(struct cec_adapter *adap, struct cec_fh *fh,  in cec_adap_s_phys_addr()  argument
127 	if (!(adap->capabilities & CEC_CAP_PHYS_ADDR))  in cec_adap_s_phys_addr()
135 	mutex_lock(&adap->lock);  in cec_adap_s_phys_addr()
136 	if (cec_is_busy(adap, fh))  in cec_adap_s_phys_addr()
139 		__cec_s_phys_addr(adap, phys_addr, block);  in cec_adap_s_phys_addr()
140 	mutex_unlock(&adap->lock);  in cec_adap_s_phys_addr()
144 static long cec_adap_g_log_addrs(struct cec_adapter *adap,  in cec_adap_g_log_addrs()  argument
149 	mutex_lock(&adap->lock);  in cec_adap_g_log_addrs()
156 	memcpy(&log_addrs, &adap->log_addrs, sizeof(log_addrs));  in cec_adap_g_log_addrs()
157 	if (!adap->is_configured)  in cec_adap_g_log_addrs()
160 	mutex_unlock(&adap->lock);  in cec_adap_g_log_addrs()
167 static long cec_adap_s_log_addrs(struct cec_adapter *adap, struct cec_fh *fh,  in cec_adap_s_log_addrs()  argument
173 	if (!(adap->capabilities & CEC_CAP_LOG_ADDRS))  in cec_adap_s_log_addrs()
180 	mutex_lock(&adap->lock);  in cec_adap_s_log_addrs()
181 	if (!adap->is_claiming_log_addrs && !adap->is_configuring &&  in cec_adap_s_log_addrs()
182 	    (!log_addrs.num_log_addrs || !adap->is_configured) &&  in cec_adap_s_log_addrs()
183 	    !cec_is_busy(adap, fh)) {  in cec_adap_s_log_addrs()
184 		err = __cec_s_log_addrs(adap, &log_addrs, block);  in cec_adap_s_log_addrs()
186 			log_addrs = adap->log_addrs;  in cec_adap_s_log_addrs()
188 	mutex_unlock(&adap->lock);  in cec_adap_s_log_addrs()
196 static long cec_adap_g_connector_info(struct cec_adapter *adap,  in cec_adap_g_connector_info()  argument
201 	if (!(adap->capabilities & CEC_CAP_CONNECTOR_INFO))  in cec_adap_g_connector_info()
204 	mutex_lock(&adap->lock);  in cec_adap_g_connector_info()
205 	if (copy_to_user(parg, &adap->conn_info, sizeof(adap->conn_info)))  in cec_adap_g_connector_info()
207 	mutex_unlock(&adap->lock);  in cec_adap_g_connector_info()
211 static long cec_transmit(struct cec_adapter *adap, struct cec_fh *fh,  in cec_transmit()  argument
217 	if (!(adap->capabilities & CEC_CAP_TRANSMIT))  in cec_transmit()
222 	mutex_lock(&adap->lock);  in cec_transmit()
223 	if (adap->log_addrs.num_log_addrs == 0)  in cec_transmit()
225 	else if (adap->is_configuring)  in cec_transmit()
227 	else if (cec_is_busy(adap, fh))  in cec_transmit()
230 		err = cec_transmit_msg_fh(adap, &msg, fh, block);  in cec_transmit()
231 	mutex_unlock(&adap->lock);  in cec_transmit()
290 static long cec_receive(struct cec_adapter *adap, struct cec_fh *fh,  in cec_receive()  argument
308 static long cec_dqevent(struct cec_adapter *adap, struct cec_fh *fh,  in cec_dqevent()  argument
358 static long cec_g_mode(struct cec_adapter *adap, struct cec_fh *fh,  in cec_g_mode()  argument
368 static long cec_s_mode(struct cec_adapter *adap, struct cec_fh *fh,  in cec_s_mode()  argument
394 	    !(adap->capabilities & CEC_CAP_MONITOR_ALL)) {  in cec_s_mode()
400 	    !(adap->capabilities & CEC_CAP_MONITOR_PIN)) {  in cec_s_mode()
407 	     !(adap->capabilities & CEC_CAP_TRANSMIT)) &&  in cec_s_mode()
425 	mutex_lock(&adap->lock);  in cec_s_mode()
432 	    adap->cec_follower && adap->cec_follower != fh)  in cec_s_mode()
439 	    adap->cec_initiator && adap->cec_initiator != fh)  in cec_s_mode()
448 				err = cec_monitor_all_cnt_inc(adap);  in cec_s_mode()
450 				cec_monitor_all_cnt_dec(adap);  in cec_s_mode()
461 				err = cec_monitor_pin_cnt_inc(adap);  in cec_s_mode()
463 				cec_monitor_pin_cnt_dec(adap);  in cec_s_mode()
468 		mutex_unlock(&adap->lock);  in cec_s_mode()
473 		adap->follower_cnt--;  in cec_s_mode()
475 		adap->follower_cnt++;  in cec_s_mode()
481 		ev.event = adap->cec_pin_is_high ? CEC_EVENT_PIN_CEC_HIGH :  in cec_s_mode()
487 		adap->passthrough =  in cec_s_mode()
489 		adap->cec_follower = fh;  in cec_s_mode()
490 	} else if (adap->cec_follower == fh) {  in cec_s_mode()
491 		adap->passthrough = false;  in cec_s_mode()
492 		adap->cec_follower = NULL;  in cec_s_mode()
495 		adap->cec_initiator = fh;  in cec_s_mode()
496 	else if (adap->cec_initiator == fh)  in cec_s_mode()
497 		adap->cec_initiator = NULL;  in cec_s_mode()
500 	mutex_unlock(&adap->lock);  in cec_s_mode()
507 	struct cec_adapter *adap = fh->adap;  in cec_ioctl()  local
511 	if (!cec_is_registered(adap))  in cec_ioctl()
516 		return cec_adap_g_caps(adap, parg);  in cec_ioctl()
519 		return cec_adap_g_phys_addr(adap, parg);  in cec_ioctl()
522 		return cec_adap_s_phys_addr(adap, fh, block, parg);  in cec_ioctl()
525 		return cec_adap_g_log_addrs(adap, parg);  in cec_ioctl()
528 		return cec_adap_s_log_addrs(adap, fh, block, parg);  in cec_ioctl()
531 		return cec_adap_g_connector_info(adap, parg);  in cec_ioctl()
534 		return cec_transmit(adap, fh, block, parg);  in cec_ioctl()
537 		return cec_receive(adap, fh, block, parg);  in cec_ioctl()
540 		return cec_dqevent(adap, fh, block, parg);  in cec_ioctl()
543 		return cec_g_mode(adap, fh, parg);  in cec_ioctl()
546 		return cec_s_mode(adap, fh, parg);  in cec_ioctl()
557 	struct cec_adapter *adap = to_cec_adapter(devnode);  in cec_open()  local
581 	fh->adap = adap;  in cec_open()
583 	err = cec_get_device(adap);  in cec_open()
592 	ev.state_change.phys_addr = adap->phys_addr;  in cec_open()
593 	ev.state_change.log_addr_mask = adap->log_addrs.log_addr_mask;  in cec_open()
595 		adap->conn_info.type != CEC_CONNECTOR_TYPE_NO_CONNECTOR;  in cec_open()
598 	if (adap->pin && adap->pin->ops->read_hpd &&  in cec_open()
599 	    !adap->devnode.unregistered) {  in cec_open()
600 		err = adap->pin->ops->read_hpd(adap);  in cec_open()
607 	if (adap->pin && adap->pin->ops->read_5v &&  in cec_open()
608 	    !adap->devnode.unregistered) {  in cec_open()
609 		err = adap->pin->ops->read_5v(adap);  in cec_open()
631 	struct cec_adapter *adap = to_cec_adapter(devnode);  in cec_release()  local
635 	mutex_lock(&adap->lock);  in cec_release()
636 	if (adap->cec_initiator == fh)  in cec_release()
637 		adap->cec_initiator = NULL;  in cec_release()
638 	if (adap->cec_follower == fh) {  in cec_release()
639 		adap->cec_follower = NULL;  in cec_release()
640 		adap->passthrough = false;  in cec_release()
643 		adap->follower_cnt--;  in cec_release()
645 		cec_monitor_pin_cnt_dec(adap);  in cec_release()
647 		cec_monitor_all_cnt_dec(adap);  in cec_release()
648 	mutex_unlock(&adap->lock);  in cec_release()
657 	mutex_lock(&adap->lock);  in cec_release()
666 	mutex_unlock(&adap->lock);  in cec_release()
689 	cec_put_device(adap);  in cec_release()