54 	struct tfp410 *dvi = drm_connector_to_tfp410(connector);  in tfp410_get_modes()  local
58 	if (!dvi->ddc)  in tfp410_get_modes()
61 	edid = drm_get_edid(connector, dvi->ddc);  in tfp410_get_modes()
92 	struct tfp410 *dvi = drm_connector_to_tfp410(connector);  in tfp410_connector_detect()  local
94 	if (dvi->hpd) {  in tfp410_connector_detect()
95 		if (gpiod_get_value_cansleep(dvi->hpd))  in tfp410_connector_detect()
101 	if (dvi->ddc) {  in tfp410_connector_detect()
102 		if (drm_probe_ddc(dvi->ddc))  in tfp410_connector_detect()
122 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);  in tfp410_attach()  local
126 		dev_err(dvi->dev, "Missing encoder\n");  in tfp410_attach()
130 	if (dvi->hpd_irq >= 0)  in tfp410_attach()
131 		dvi->connector.polled = DRM_CONNECTOR_POLL_HPD;  in tfp410_attach()
133 		dvi->connector.polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;  in tfp410_attach()
135 	drm_connector_helper_add(&dvi->connector,  in tfp410_attach()
137 	ret = drm_connector_init_with_ddc(bridge->dev, &dvi->connector,  in tfp410_attach()
139 					  dvi->connector_type,  in tfp410_attach()
140 					  dvi->ddc);  in tfp410_attach()
142 		dev_err(dvi->dev, "drm_connector_init() failed: %d\n", ret);  in tfp410_attach()
146 	drm_display_info_set_bus_formats(&dvi->connector.display_info,  in tfp410_attach()
147 					 &dvi->bus_format, 1);  in tfp410_attach()
149 	drm_connector_attach_encoder(&dvi->connector,  in tfp410_attach()
157 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);  in tfp410_enable()  local
159 	gpiod_set_value_cansleep(dvi->powerdown, 0);  in tfp410_enable()
164 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);  in tfp410_disable()  local
166 	gpiod_set_value_cansleep(dvi->powerdown, 1);  in tfp410_disable()
177 	struct tfp410 *dvi;  in tfp410_hpd_work_func()  local
179 	dvi = container_of(work, struct tfp410, hpd_work.work);  in tfp410_hpd_work_func()
181 	if (dvi->bridge.dev)  in tfp410_hpd_work_func()
182 		drm_helper_hpd_irq_event(dvi->bridge.dev);  in tfp410_hpd_work_func()
187 	struct tfp410 *dvi = arg;  in tfp410_hpd_irq_thread()  local
189 	mod_delayed_work(system_wq, &dvi->hpd_work,  in tfp410_hpd_irq_thread()
202 static int tfp410_parse_timings(struct tfp410 *dvi, bool i2c)  in tfp410_parse_timings()  argument
204 	struct drm_bridge_timings *timings = &dvi->timings;  in tfp410_parse_timings()
226 	ep = of_graph_get_endpoint_by_regs(dvi->dev->of_node, 0, 0);  in tfp410_parse_timings()
252 		dvi->bus_format = MEDIA_BUS_FMT_RGB888_2X12_LE;  in tfp410_parse_timings()
255 		dvi->bus_format = MEDIA_BUS_FMT_RGB888_1X24;  in tfp410_parse_timings()
262 	of_property_read_u32(dvi->dev->of_node, "ti,deskew", (u32 *)&deskew);  in tfp410_parse_timings()
272 static int tfp410_get_connector_properties(struct tfp410 *dvi)  in tfp410_get_connector_properties()  argument
278 	connector_node = of_graph_get_remote_node(dvi->dev->of_node, 1, -1);  in tfp410_get_connector_properties()
283 		dvi->connector_type = DRM_MODE_CONNECTOR_HDMIA;  in tfp410_get_connector_properties()
285 		dvi->connector_type = DRM_MODE_CONNECTOR_DVID;  in tfp410_get_connector_properties()
287 	dvi->hpd = fwnode_get_named_gpiod(&connector_node->fwnode,  in tfp410_get_connector_properties()
289 	if (IS_ERR(dvi->hpd)) {  in tfp410_get_connector_properties()
290 		ret = PTR_ERR(dvi->hpd);  in tfp410_get_connector_properties()
291 		dvi->hpd = NULL;  in tfp410_get_connector_properties()
302 	dvi->ddc = of_get_i2c_adapter_by_node(ddc_phandle);  in tfp410_get_connector_properties()
303 	if (dvi->ddc)  in tfp410_get_connector_properties()
304 		dev_info(dvi->dev, "Connector's ddc i2c bus found\n");  in tfp410_get_connector_properties()
317 	struct tfp410 *dvi;  in tfp410_init()  local
325 	dvi = devm_kzalloc(dev, sizeof(*dvi), GFP_KERNEL);  in tfp410_init()
326 	if (!dvi)  in tfp410_init()
328 	dev_set_drvdata(dev, dvi);  in tfp410_init()
330 	dvi->bridge.funcs = &tfp410_bridge_funcs;  in tfp410_init()
331 	dvi->bridge.of_node = dev->of_node;  in tfp410_init()
332 	dvi->bridge.timings = &dvi->timings;  in tfp410_init()
333 	dvi->dev = dev;  in tfp410_init()
335 	ret = tfp410_parse_timings(dvi, i2c);  in tfp410_init()
339 	ret = tfp410_get_connector_properties(dvi);  in tfp410_init()
343 	dvi->powerdown = devm_gpiod_get_optional(dev, "powerdown",  in tfp410_init()
345 	if (IS_ERR(dvi->powerdown)) {  in tfp410_init()
347 		return PTR_ERR(dvi->powerdown);  in tfp410_init()
350 	if (dvi->hpd)  in tfp410_init()
351 		dvi->hpd_irq = gpiod_to_irq(dvi->hpd);  in tfp410_init()
353 		dvi->hpd_irq = -ENXIO;  in tfp410_init()
355 	if (dvi->hpd_irq >= 0) {  in tfp410_init()
356 		INIT_DELAYED_WORK(&dvi->hpd_work, tfp410_hpd_work_func);  in tfp410_init()
358 		ret = devm_request_threaded_irq(dev, dvi->hpd_irq,  in tfp410_init()
361 			"hdmi-hpd", dvi);  in tfp410_init()
368 	drm_bridge_add(&dvi->bridge);  in tfp410_init()
372 	i2c_put_adapter(dvi->ddc);  in tfp410_init()
373 	if (dvi->hpd)  in tfp410_init()
374 		gpiod_put(dvi->hpd);  in tfp410_init()
380 	struct tfp410 *dvi = dev_get_drvdata(dev);  in tfp410_fini()  local
382 	if (dvi->hpd_irq >= 0)  in tfp410_fini()
383 		cancel_delayed_work_sync(&dvi->hpd_work);  in tfp410_fini()
385 	drm_bridge_remove(&dvi->bridge);  in tfp410_fini()
387 	if (dvi->ddc)  in tfp410_fini()
388 		i2c_put_adapter(dvi->ddc);  in tfp410_fini()
389 	if (dvi->hpd)  in tfp410_fini()
390 		gpiod_put(dvi->hpd);  in tfp410_fini()