drm/bridge/ti-tfp410.c

52 	struct tfp410 *dvi = drm_connector_to_tfp410(connector);
56 	if (dvi->next_bridge->ops & DRM_BRIDGE_OP_EDID) {
57 		drm_edid = drm_bridge_edid_read(dvi->next_bridge, connector);
90 	struct tfp410 *dvi = drm_connector_to_tfp410(connector);
92 	return drm_bridge_detect(dvi->next_bridge);
106 	struct tfp410 *dvi;
108 	dvi = container_of(work, struct tfp410, hpd_work.work);
110 	if (dvi->bridge.dev)
111 		drm_helper_hpd_irq_event(dvi->bridge.dev);
116 	struct tfp410 *dvi = arg;
118 	mod_delayed_work(system_wq, &dvi->hpd_work,
125 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
128 	ret = drm_bridge_attach(bridge->encoder, dvi->next_bridge, bridge,
137 		dev_err(dvi->dev, "Missing encoder\n");
141 	if (dvi->next_bridge->ops & DRM_BRIDGE_OP_DETECT)
142 		dvi->connector.polled = DRM_CONNECTOR_POLL_HPD;
144 		dvi->connector.polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
146 	if (dvi->next_bridge->ops & DRM_BRIDGE_OP_HPD) {
147 		INIT_DELAYED_WORK(&dvi->hpd_work, tfp410_hpd_work_func);
148 		drm_bridge_hpd_enable(dvi->next_bridge, tfp410_hpd_callback,
149 				      dvi);
152 	drm_connector_helper_add(&dvi->connector,
154 	ret = drm_connector_init_with_ddc(bridge->dev, &dvi->connector,
156 					  dvi->next_bridge->type,
157 					  dvi->next_bridge->ddc);
159 		dev_err(dvi->dev, "drm_connector_init_with_ddc() failed: %d\n",
164 	drm_display_info_set_bus_formats(&dvi->connector.display_info,
165 					 &dvi->bus_format, 1);
167 	drm_connector_attach_encoder(&dvi->connector, bridge->encoder);
174 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
176 	if (dvi->connector.dev && dvi->next_bridge->ops & DRM_BRIDGE_OP_HPD) {
177 		drm_bridge_hpd_disable(dvi->next_bridge);
178 		cancel_delayed_work_sync(&dvi->hpd_work);
184 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
186 	gpiod_set_value_cansleep(dvi->powerdown, 0);
191 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
193 	gpiod_set_value_cansleep(dvi->powerdown, 1);
216 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
226 	input_fmts[0] = dvi->bus_format;
236 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
242 	bridge_state->input_bus_cfg.flags = dvi->timings.input_bus_flags;
267 static int tfp410_parse_timings(struct tfp410 *dvi, bool i2c)
269 	struct drm_bridge_timings *timings = &dvi->timings;
291 	ep = of_graph_get_endpoint_by_regs(dvi->dev->of_node, 0, 0);
317 		dvi->bus_format = MEDIA_BUS_FMT_RGB888_2X12_LE;
320 		dvi->bus_format = MEDIA_BUS_FMT_RGB888_1X24;
327 	of_property_read_u32(dvi->dev->of_node, "ti,deskew", &deskew);
340 	struct tfp410 *dvi;
348 	dvi = devm_kzalloc(dev, sizeof(*dvi), GFP_KERNEL);
349 	if (!dvi)
352 	dvi->dev = dev;
353 	dev_set_drvdata(dev, dvi);
355 	dvi->bridge.funcs = &tfp410_bridge_funcs;
356 	dvi->bridge.of_node = dev->of_node;
357 	dvi->bridge.timings = &dvi->timings;
358 	dvi->bridge.type = DRM_MODE_CONNECTOR_DVID;
360 	ret = tfp410_parse_timings(dvi, i2c);
369 	dvi->next_bridge = of_drm_find_bridge(node);
372 	if (!dvi->next_bridge)
376 	dvi->powerdown = devm_gpiod_get_optional(dev, "powerdown",
378 	if (IS_ERR(dvi->powerdown)) {
380 		return PTR_ERR(dvi->powerdown);
384 	drm_bridge_add(&dvi->bridge);
391 	struct tfp410 *dvi = dev_get_drvdata(dev);
393 	drm_bridge_remove(&dvi->bridge);