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, connector);
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,
126 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
129 	ret = drm_bridge_attach(encoder, dvi->next_bridge, bridge,
137 	if (dvi->next_bridge->ops & DRM_BRIDGE_OP_DETECT)
138 		dvi->connector.polled = DRM_CONNECTOR_POLL_HPD;
140 		dvi->connector.polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
142 	if (dvi->next_bridge->ops & DRM_BRIDGE_OP_HPD) {
143 		INIT_DELAYED_WORK(&dvi->hpd_work, tfp410_hpd_work_func);
144 		drm_bridge_hpd_enable(dvi->next_bridge, tfp410_hpd_callback,
145 				      dvi);
148 	drm_connector_helper_add(&dvi->connector,
150 	ret = drm_connector_init_with_ddc(bridge->dev, &dvi->connector,
152 					  dvi->next_bridge->type,
153 					  dvi->next_bridge->ddc);
155 		dev_err(dvi->dev, "drm_connector_init_with_ddc() failed: %d\n",
160 	drm_display_info_set_bus_formats(&dvi->connector.display_info,
161 					 &dvi->bus_format, 1);
163 	drm_connector_attach_encoder(&dvi->connector, encoder);
170 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
172 	if (dvi->connector.dev && dvi->next_bridge->ops & DRM_BRIDGE_OP_HPD) {
173 		drm_bridge_hpd_disable(dvi->next_bridge);
174 		cancel_delayed_work_sync(&dvi->hpd_work);
180 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
182 	gpiod_set_value_cansleep(dvi->powerdown, 0);
187 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
189 	gpiod_set_value_cansleep(dvi->powerdown, 1);
212 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
222 	input_fmts[0] = dvi->bus_format;
232 	struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
238 	bridge_state->input_bus_cfg.flags = dvi->timings.input_bus_flags;
263 static int tfp410_parse_timings(struct tfp410 *dvi, bool i2c)
265 	struct drm_bridge_timings *timings = &dvi->timings;
287 	ep = of_graph_get_endpoint_by_regs(dvi->dev->of_node, 0, 0);
313 		dvi->bus_format = MEDIA_BUS_FMT_RGB888_2X12_LE;
316 		dvi->bus_format = MEDIA_BUS_FMT_RGB888_1X24;
323 	of_property_read_u32(dvi->dev->of_node, "ti,deskew", &deskew);
336 	struct tfp410 *dvi;
344 	dvi = devm_drm_bridge_alloc(dev, struct tfp410, bridge,
346 	if (IS_ERR(dvi))
347 		return PTR_ERR(dvi);
349 	dvi->dev = dev;
350 	dev_set_drvdata(dev, dvi);
352 	dvi->bridge.of_node = dev->of_node;
353 	dvi->bridge.timings = &dvi->timings;
354 	dvi->bridge.type = DRM_MODE_CONNECTOR_DVID;
356 	ret = tfp410_parse_timings(dvi, i2c);
365 	dvi->next_bridge = of_drm_find_bridge(node);
368 	if (!dvi->next_bridge)
372 	dvi->powerdown = devm_gpiod_get_optional(dev, "powerdown",
374 	if (IS_ERR(dvi->powerdown)) {
376 		return PTR_ERR(dvi->powerdown);
380 	drm_bridge_add(&dvi->bridge);
387 	struct tfp410 *dvi = dev_get_drvdata(dev);
389 	drm_bridge_remove(&dvi->bridge);