33 struct bu18tl82 {  struct
53 static struct bu18tl82 *bridge_to_bu18tl82(struct drm_bridge *bridge)  in bridge_to_bu18tl82()
55 	return container_of(bridge, struct bu18tl82, base);  in bridge_to_bu18tl82()
91 static int bu18tl82_get_init_seq(struct bu18tl82 *bu18tl82)  in bu18tl82_get_init_seq()  argument
93 	struct device *dev = bu18tl82->dev;  in bu18tl82_get_init_seq()
104 	bu18tl82->serdes_init_seq = devm_kzalloc(dev, sizeof(*bu18tl82->serdes_init_seq),  in bu18tl82_get_init_seq()
106 	if (!bu18tl82->serdes_init_seq)  in bu18tl82_get_init_seq()
109 	err = bu18tl82_parse_init_seq(dev, data, len, bu18tl82->serdes_init_seq);  in bu18tl82_get_init_seq()
121 	struct bu18tl82 *bu18tl82 = bridge_to_bu18tl82(bridge);  in bu18tl82_bridge_get_modes()  local
123 	return drm_bridge_get_modes(bu18tl82->bridge, connector);  in bu18tl82_bridge_get_modes()
126 static struct mipi_dsi_device *bu18tl82_attach_dsi(struct bu18tl82 *bu18tl82,  in bu18tl82_attach_dsi()  argument
136 		dev_err(bu18tl82->dev, "failed to find dsi host\n");  in bu18tl82_attach_dsi()
142 		dev_err(bu18tl82->dev, "failed to create dsi device\n");  in bu18tl82_attach_dsi()
153 		dev_err(bu18tl82->dev, "failed to attach dsi to host\n");  in bu18tl82_attach_dsi()
164 	struct bu18tl82 *bu18tl82 = bridge_to_bu18tl82(bridge);  in bu18tl82_bridge_attach()  local
167 	ret = drm_of_find_panel_or_bridge(bu18tl82->dev->of_node, 1, -1,  in bu18tl82_bridge_attach()
168 					  NULL, &bu18tl82->bridge);  in bu18tl82_bridge_attach()
172 	if (bu18tl82->sel_mipi) {  in bu18tl82_bridge_attach()
174 		bu18tl82->dsi = bu18tl82_attach_dsi(bu18tl82, bu18tl82->dsi_node);  in bu18tl82_bridge_attach()
175 		if (IS_ERR(bu18tl82->dsi))  in bu18tl82_bridge_attach()
176 			return PTR_ERR(bu18tl82->dsi);  in bu18tl82_bridge_attach()
179 	ret = drm_bridge_attach(bridge->encoder, bu18tl82->bridge,  in bu18tl82_bridge_attach()
182 		if (bu18tl82->sel_mipi)  in bu18tl82_bridge_attach()
183 			mipi_dsi_device_unregister(bu18tl82->dsi);  in bu18tl82_bridge_attach()
185 		dev_err(bu18tl82->dev, "failed to attach bridge\n");  in bu18tl82_bridge_attach()
194 	struct bu18tl82 *bu18tl82 = bridge_to_bu18tl82(bridge);  in bu18tl82_bridge_detach()  local
196 	if (bu18tl82->sel_mipi) {  in bu18tl82_bridge_detach()
197 		mipi_dsi_detach(bu18tl82->dsi);  in bu18tl82_bridge_detach()
198 		mipi_dsi_device_unregister(bu18tl82->dsi);  in bu18tl82_bridge_detach()
212 	struct bu18tl82 *bu18tl82 = bridge_to_bu18tl82(bridge);  in bu18tl82_bridge_pre_enable()  local
213 	struct serdes_init_seq *init_seq = bu18tl82->serdes_init_seq;  in bu18tl82_bridge_pre_enable()
216 	if (bu18tl82->enable_gpio) {  in bu18tl82_bridge_pre_enable()
217 		gpiod_direction_output(bu18tl82->enable_gpio, 1);  in bu18tl82_bridge_pre_enable()
221 	if (bu18tl82->reset_gpio) {  in bu18tl82_bridge_pre_enable()
222 		gpiod_direction_output(bu18tl82->reset_gpio, 0);  in bu18tl82_bridge_pre_enable()
226 	ret = regmap_multi_reg_write(bu18tl82->regmap, init_seq->reg_sequence,  in bu18tl82_bridge_pre_enable()
229 		dev_err(bu18tl82->dev, "failed to set register setting: %d\n", ret);  in bu18tl82_bridge_pre_enable()
237 	struct bu18tl82 *bu18tl82 = bridge_to_bu18tl82(bridge);  in bu18tl82_bridge_post_disable()  local
239 	if (bu18tl82->reset_gpio)  in bu18tl82_bridge_post_disable()
240 		gpiod_direction_output(bu18tl82->reset_gpio, 1);  in bu18tl82_bridge_post_disable()
242 	if (bu18tl82->enable_gpio)  in bu18tl82_bridge_post_disable()
243 		gpiod_direction_output(bu18tl82->enable_gpio, 0);  in bu18tl82_bridge_post_disable()
260 	struct bu18tl82 *bu18tl82;  in bu18tl82_i2c_probe()  local
263 	bu18tl82 = devm_kzalloc(dev, sizeof(*bu18tl82), GFP_KERNEL);  in bu18tl82_i2c_probe()
264 	if (!bu18tl82)  in bu18tl82_i2c_probe()
267 	bu18tl82->dev = dev;  in bu18tl82_i2c_probe()
268 	i2c_set_clientdata(client, bu18tl82);  in bu18tl82_i2c_probe()
270 	bu18tl82->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_ASIS);  in bu18tl82_i2c_probe()
271 	if (IS_ERR(bu18tl82->reset_gpio))  in bu18tl82_i2c_probe()
272 		return dev_err_probe(dev, PTR_ERR(bu18tl82->reset_gpio),  in bu18tl82_i2c_probe()
275 	bu18tl82->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_ASIS);  in bu18tl82_i2c_probe()
276 	if (IS_ERR(bu18tl82->enable_gpio))  in bu18tl82_i2c_probe()
277 		return dev_err_probe(dev, PTR_ERR(bu18tl82->enable_gpio),  in bu18tl82_i2c_probe()
280 	bu18tl82->regmap = devm_regmap_init_i2c(client, &bu18tl82_regmap_config);  in bu18tl82_i2c_probe()
281 	if (IS_ERR(bu18tl82->regmap))  in bu18tl82_i2c_probe()
282 		return dev_err_probe(dev, PTR_ERR(bu18tl82->regmap),  in bu18tl82_i2c_probe()
285 	bu18tl82->sel_mipi = of_property_read_bool(dev->of_node, "sel-mipi");  in bu18tl82_i2c_probe()
287 	if (bu18tl82->sel_mipi) {  in bu18tl82_i2c_probe()
288 		bu18tl82->dsi_node = of_graph_get_remote_node(dev->of_node, 0, -1);  in bu18tl82_i2c_probe()
289 		if (!bu18tl82->dsi_node)  in bu18tl82_i2c_probe()
294 	ret = bu18tl82_get_init_seq(bu18tl82);  in bu18tl82_i2c_probe()
298 	bu18tl82->base.funcs = &bu18tl82_bridge_funcs;  in bu18tl82_i2c_probe()
299 	bu18tl82->base.of_node = dev->of_node;  in bu18tl82_i2c_probe()
300 	bu18tl82->base.ops = DRM_BRIDGE_OP_MODES;  in bu18tl82_i2c_probe()
302 	drm_bridge_add(&bu18tl82->base);  in bu18tl82_i2c_probe()
309 	struct bu18tl82 *bu18tl82 = i2c_get_clientdata(client);  in bu18tl82_i2c_remove()  local
311 	drm_bridge_remove(&bu18tl82->base);  in bu18tl82_i2c_remove()