display/amdgpu_dm/amdgpu_dm_hdcp.c

131 static void process_output(struct hdcp_workqueue *hdcp_work)
133 	struct mod_hdcp_output output = hdcp_work->output;
136 		cancel_delayed_work(&hdcp_work->callback_dwork);
139 		schedule_delayed_work(&hdcp_work->callback_dwork,
143 		cancel_delayed_work(&hdcp_work->watchdog_timer_dwork);
146 		schedule_delayed_work(&hdcp_work->watchdog_timer_dwork,
149 	schedule_delayed_work(&hdcp_work->property_validate_dwork, msecs_to_jiffies(0));
164 void hdcp_update_display(struct hdcp_workqueue *hdcp_work,
170 	struct hdcp_workqueue *hdcp_w = &hdcp_work[link_index];
185 		if (hdcp_work->srm_size > 0)
186 			psp_set_srm(hdcp_work->hdcp.config.psp.handle, hdcp_work->srm,
187 				    hdcp_work->srm_size,
188 				    &hdcp_work->srm_version);
215 static void hdcp_remove_display(struct hdcp_workqueue *hdcp_work,
219 	struct hdcp_workqueue *hdcp_w = &hdcp_work[link_index];
245 void hdcp_reset_display(struct hdcp_workqueue *hdcp_work, unsigned int link_index)
247 	struct hdcp_workqueue *hdcp_w = &hdcp_work[link_index];
266 void hdcp_handle_cpirq(struct hdcp_workqueue *hdcp_work, unsigned int link_index)
268 	struct hdcp_workqueue *hdcp_w = &hdcp_work[link_index];
275 	struct hdcp_workqueue *hdcp_work;
277 	hdcp_work = container_of(to_delayed_work(work), struct hdcp_workqueue,
280 	mutex_lock(&hdcp_work->mutex);
282 	cancel_delayed_work(&hdcp_work->callback_dwork);
284 	mod_hdcp_process_event(&hdcp_work->hdcp, MOD_HDCP_EVENT_CALLBACK,
285 			       &hdcp_work->output);
287 	process_output(hdcp_work);
289 	mutex_unlock(&hdcp_work->mutex);
294 	struct hdcp_workqueue *hdcp_work = container_of(work, struct hdcp_workqueue,
304 		aconnector = hdcp_work->aconnector[conn_index];
326 		mutex_lock(&hdcp_work->mutex);
333 				hdcp_work->encryption_status[conn_index] =
337 		if (hdcp_work->encryption_status[conn_index] !=
341 				hdcp_work->encryption_status[conn_index] <=
348 					hdcp_work->encryption_status[conn_index] ==
358 		mutex_unlock(&hdcp_work->mutex);
365 	struct hdcp_workqueue *hdcp_work =
371 	mutex_lock(&hdcp_work->mutex);
375 		aconnector = hdcp_work->aconnector[conn_index];
388 		mod_hdcp_query_display(&hdcp_work->hdcp, aconnector->base.index,
395 			hdcp_work->encryption_status[conn_index]);
398 		    hdcp_work->encryption_status[conn_index]) {
400 					 hdcp_work->encryption_status[conn_index],
403 			hdcp_work->encryption_status[conn_index] =
408 			schedule_work(&hdcp_work->property_update_work);
412 	mutex_unlock(&hdcp_work->mutex);
417 	struct hdcp_workqueue *hdcp_work;
419 	hdcp_work = container_of(to_delayed_work(work),
423 	mutex_lock(&hdcp_work->mutex);
425 	cancel_delayed_work(&hdcp_work->watchdog_timer_dwork);
427 	mod_hdcp_process_event(&hdcp_work->hdcp,
429 			       &hdcp_work->output);
431 	process_output(hdcp_work);
433 	mutex_unlock(&hdcp_work->mutex);
438 	struct hdcp_workqueue *hdcp_work;
440 	hdcp_work = container_of(work, struct hdcp_workqueue, cpirq_work);
442 	mutex_lock(&hdcp_work->mutex);
444 	mod_hdcp_process_event(&hdcp_work->hdcp, MOD_HDCP_EVENT_CPIRQ, &hdcp_work->output);
446 	process_output(hdcp_work);
448 	mutex_unlock(&hdcp_work->mutex);
451 void hdcp_destroy(struct kobject *kobj, struct hdcp_workqueue *hdcp_work)
455 	for (i = 0; i < hdcp_work->max_link; i++) {
456 		cancel_delayed_work_sync(&hdcp_work[i].callback_dwork);
457 		cancel_delayed_work_sync(&hdcp_work[i].watchdog_timer_dwork);
460 	sysfs_remove_bin_file(kobj, &hdcp_work[0].attr);
461 	kfree(hdcp_work->srm);
462 	kfree(hdcp_work->srm_temp);
463 	kfree(hdcp_work);
468 	struct hdcp_workqueue *hdcp_work = handle;
469 	struct mod_hdcp hdcp = hdcp_work->hdcp;
503 	struct hdcp_workqueue *hdcp_work = handle;
506 	struct mod_hdcp_display *display = &hdcp_work[link_index].display;
507 	struct mod_hdcp_link *link = &hdcp_work[link_index].link;
508 	struct hdcp_workqueue *hdcp_w = &hdcp_work[link_index];
513 		hdcp_remove_display(hdcp_work, link_index, aconnector);
709 	struct hdcp_workqueue *hdcp_work;
712 	hdcp_work = kcalloc(max_caps, sizeof(*hdcp_work), GFP_KERNEL);
713 	if (ZERO_OR_NULL_PTR(hdcp_work))
716 	hdcp_work->srm = kcalloc(PSP_HDCP_SRM_FIRST_GEN_MAX_SIZE,
717 				 sizeof(*hdcp_work->srm), GFP_KERNEL);
719 	if (!hdcp_work->srm)
722 	hdcp_work->srm_temp = kcalloc(PSP_HDCP_SRM_FIRST_GEN_MAX_SIZE,
723 				      sizeof(*hdcp_work->srm_temp), GFP_KERNEL);
725 	if (!hdcp_work->srm_temp)
728 	hdcp_work->max_link = max_caps;
731 		mutex_init(&hdcp_work[i].mutex);
733 		INIT_WORK(&hdcp_work[i].cpirq_work, event_cpirq);
734 		INIT_WORK(&hdcp_work[i].property_update_work, event_property_update);
735 		INIT_DELAYED_WORK(&hdcp_work[i].callback_dwork, event_callback);
736 		INIT_DELAYED_WORK(&hdcp_work[i].watchdog_timer_dwork, event_watchdog_timer);
737 		INIT_DELAYED_WORK(&hdcp_work[i].property_validate_dwork, event_property_validate);
739 		hdcp_work[i].hdcp.config.psp.handle = &adev->psp;
746 			hdcp_work[i].hdcp.config.psp.caps.dtm_v3_supported = 1;
747 		hdcp_work[i].hdcp.config.ddc.handle = dc_get_link_at_index(dc, i);
748 		hdcp_work[i].hdcp.config.ddc.funcs.write_i2c = lp_write_i2c;
749 		hdcp_work[i].hdcp.config.ddc.funcs.read_i2c = lp_read_i2c;
750 		hdcp_work[i].hdcp.config.ddc.funcs.write_dpcd = lp_write_dpcd;
751 		hdcp_work[i].hdcp.config.ddc.funcs.read_dpcd = lp_read_dpcd;
753 		memset(hdcp_work[i].aconnector, 0,
756 		memset(hdcp_work[i].encryption_status, 0,
763 	cp_psp->handle = hdcp_work;
766 	hdcp_work[0].attr = data_attr;
767 	sysfs_bin_attr_init(&hdcp_work[0].attr);
769 	if (sysfs_create_bin_file(&adev->dev->kobj, &hdcp_work[0].attr))
772 	return hdcp_work;
775 	kfree(hdcp_work->srm);
776 	kfree(hdcp_work->srm_temp);
777 	kfree(hdcp_work);