55 struct dlpc {  struct
70 static inline struct dlpc *bridge_to_dlpc(struct drm_bridge *bridge)  in bridge_to_dlpc()  argument
72 	return container_of(bridge, struct dlpc, bridge);  in bridge_to_dlpc()
110 	struct dlpc *dlpc = bridge_to_dlpc(bridge);  in dlpc_atomic_enable()  local
111 	struct device *dev = dlpc->dev;  in dlpc_atomic_enable()
112 	struct drm_display_mode *mode = &dlpc->mode;  in dlpc_atomic_enable()
113 	struct regmap *regmap = dlpc->regmap;  in dlpc_atomic_enable()
175 	struct dlpc *dlpc = bridge_to_dlpc(bridge);  in dlpc_atomic_pre_enable()  local
178 	gpiod_set_value(dlpc->enable_gpio, 1);  in dlpc_atomic_pre_enable()
182 	ret = regulator_enable(dlpc->vcc_intf);  in dlpc_atomic_pre_enable()
184 		DRM_DEV_ERROR(dlpc->dev,  in dlpc_atomic_pre_enable()
187 	ret = regulator_enable(dlpc->vcc_flsh);  in dlpc_atomic_pre_enable()
189 		DRM_DEV_ERROR(dlpc->dev,  in dlpc_atomic_pre_enable()
198 	struct dlpc *dlpc = bridge_to_dlpc(bridge);  in dlpc_atomic_post_disable()  local
200 	regulator_disable(dlpc->vcc_flsh);  in dlpc_atomic_post_disable()
201 	regulator_disable(dlpc->vcc_intf);  in dlpc_atomic_post_disable()
205 	gpiod_set_value(dlpc->enable_gpio, 0);  in dlpc_atomic_post_disable()
240 	struct dlpc *dlpc = bridge_to_dlpc(bridge);  in dlpc_mode_set()  local
242 	drm_mode_copy(&dlpc->mode, adjusted_mode);  in dlpc_mode_set()
248 	struct dlpc *dlpc = bridge_to_dlpc(bridge);  in dlpc_attach()  local
250 	return drm_bridge_attach(bridge->encoder, dlpc->next_bridge, bridge, flags);  in dlpc_attach()
265 static int dlpc3433_parse_dt(struct dlpc *dlpc)  in dlpc3433_parse_dt()  argument
267 	struct device *dev = dlpc->dev;  in dlpc3433_parse_dt()
271 	dlpc->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);  in dlpc3433_parse_dt()
272 	if (IS_ERR(dlpc->enable_gpio))  in dlpc3433_parse_dt()
273 		return PTR_ERR(dlpc->enable_gpio);  in dlpc3433_parse_dt()
275 	dlpc->vcc_intf = devm_regulator_get(dlpc->dev, "vcc_intf");  in dlpc3433_parse_dt()
276 	if (IS_ERR(dlpc->vcc_intf))  in dlpc3433_parse_dt()
277 		return dev_err_probe(dev, PTR_ERR(dlpc->vcc_intf),  in dlpc3433_parse_dt()
280 	dlpc->vcc_flsh = devm_regulator_get(dlpc->dev, "vcc_flsh");  in dlpc3433_parse_dt()
281 	if (IS_ERR(dlpc->vcc_flsh))  in dlpc3433_parse_dt()
282 		return dev_err_probe(dev, PTR_ERR(dlpc->vcc_flsh),  in dlpc3433_parse_dt()
285 	dlpc->next_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 1, 0);  in dlpc3433_parse_dt()
286 	if (IS_ERR(dlpc->next_bridge))  in dlpc3433_parse_dt()
287 		return PTR_ERR(dlpc->next_bridge);  in dlpc3433_parse_dt()
290 	dlpc->dsi_lanes = of_property_count_u32_elems(endpoint, "data-lanes");  in dlpc3433_parse_dt()
291 	if (dlpc->dsi_lanes < 0 || dlpc->dsi_lanes > 4) {  in dlpc3433_parse_dt()
296 	dlpc->host_node = of_graph_get_remote_port_parent(endpoint);  in dlpc3433_parse_dt()
297 	if (!dlpc->host_node) {  in dlpc3433_parse_dt()
307 	of_node_put(dlpc->host_node);  in dlpc3433_parse_dt()
313 static int dlpc_host_attach(struct dlpc *dlpc)  in dlpc_host_attach()  argument
315 	struct device *dev = dlpc->dev;  in dlpc_host_attach()
323 	host = of_find_mipi_dsi_host_by_node(dlpc->host_node);  in dlpc_host_attach()
329 	dlpc->dsi = mipi_dsi_device_register_full(host, &info);  in dlpc_host_attach()
330 	if (IS_ERR(dlpc->dsi)) {  in dlpc_host_attach()
332 		return PTR_ERR(dlpc->dsi);  in dlpc_host_attach()
335 	dlpc->dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST;  in dlpc_host_attach()
336 	dlpc->dsi->format = MIPI_DSI_FMT_RGB565;  in dlpc_host_attach()
337 	dlpc->dsi->lanes = dlpc->dsi_lanes;  in dlpc_host_attach()
339 	return devm_mipi_dsi_attach(dev, dlpc->dsi);  in dlpc_host_attach()
345 	struct dlpc *dlpc;  in dlpc3433_probe()  local
348 	dlpc = devm_kzalloc(dev, sizeof(*dlpc), GFP_KERNEL);  in dlpc3433_probe()
349 	if (!dlpc)  in dlpc3433_probe()
352 	dlpc->dev = dev;  in dlpc3433_probe()
354 	dlpc->regmap = devm_regmap_init_i2c(client, &dlpc_regmap_config);  in dlpc3433_probe()
355 	if (IS_ERR(dlpc->regmap))  in dlpc3433_probe()
356 		return PTR_ERR(dlpc->regmap);  in dlpc3433_probe()
358 	ret = dlpc3433_parse_dt(dlpc);  in dlpc3433_probe()
362 	dev_set_drvdata(dev, dlpc);  in dlpc3433_probe()
363 	i2c_set_clientdata(client, dlpc);  in dlpc3433_probe()
365 	dlpc->bridge.funcs = &dlpc_bridge_funcs;  in dlpc3433_probe()
366 	dlpc->bridge.of_node = dev->of_node;  in dlpc3433_probe()
367 	drm_bridge_add(&dlpc->bridge);  in dlpc3433_probe()
369 	ret = dlpc_host_attach(dlpc);  in dlpc3433_probe()
378 	drm_bridge_remove(&dlpc->bridge);  in dlpc3433_probe()
384 	struct dlpc *dlpc = i2c_get_clientdata(client);  in dlpc3433_remove()  local
386 	drm_bridge_remove(&dlpc->bridge);  in dlpc3433_remove()
387 	of_node_put(dlpc->host_node);  in dlpc3433_remove()