38 static int sharp_nt_panel_init(struct sharp_nt_panel *sharp_nt)  in sharp_nt_panel_init()  argument
40 	struct mipi_dsi_device *dsi = sharp_nt->dsi;  in sharp_nt_panel_init()
65 static int sharp_nt_panel_on(struct sharp_nt_panel *sharp_nt)  in sharp_nt_panel_on()  argument
67 	struct mipi_dsi_device *dsi = sharp_nt->dsi;  in sharp_nt_panel_on()
79 static int sharp_nt_panel_off(struct sharp_nt_panel *sharp_nt)  in sharp_nt_panel_off()  argument
81 	struct mipi_dsi_device *dsi = sharp_nt->dsi;  in sharp_nt_panel_off()
99 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);  in sharp_nt_panel_unprepare()  local
102 	if (!sharp_nt->prepared)  in sharp_nt_panel_unprepare()
105 	ret = sharp_nt_panel_off(sharp_nt);  in sharp_nt_panel_unprepare()
111 	regulator_disable(sharp_nt->supply);  in sharp_nt_panel_unprepare()
112 	if (sharp_nt->reset_gpio)  in sharp_nt_panel_unprepare()
113 		gpiod_set_value(sharp_nt->reset_gpio, 0);  in sharp_nt_panel_unprepare()
115 	sharp_nt->prepared = false;  in sharp_nt_panel_unprepare()
122 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);  in sharp_nt_panel_prepare()  local
125 	if (sharp_nt->prepared)  in sharp_nt_panel_prepare()
128 	ret = regulator_enable(sharp_nt->supply);  in sharp_nt_panel_prepare()
134 	if (sharp_nt->reset_gpio) {  in sharp_nt_panel_prepare()
135 		gpiod_set_value(sharp_nt->reset_gpio, 1);  in sharp_nt_panel_prepare()
137 		gpiod_set_value(sharp_nt->reset_gpio, 0);  in sharp_nt_panel_prepare()
139 		gpiod_set_value(sharp_nt->reset_gpio, 1);  in sharp_nt_panel_prepare()
143 	ret = sharp_nt_panel_init(sharp_nt);  in sharp_nt_panel_prepare()
149 	ret = sharp_nt_panel_on(sharp_nt);  in sharp_nt_panel_prepare()
155 	sharp_nt->prepared = true;  in sharp_nt_panel_prepare()
160 	regulator_disable(sharp_nt->supply);  in sharp_nt_panel_prepare()
161 	if (sharp_nt->reset_gpio)  in sharp_nt_panel_prepare()
162 		gpiod_set_value(sharp_nt->reset_gpio, 0);  in sharp_nt_panel_prepare()
207 static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt)  in sharp_nt_panel_add()  argument
209 	struct device *dev = &sharp_nt->dsi->dev;  in sharp_nt_panel_add()
212 	sharp_nt->supply = devm_regulator_get(dev, "avdd");  in sharp_nt_panel_add()
213 	if (IS_ERR(sharp_nt->supply))  in sharp_nt_panel_add()
214 		return PTR_ERR(sharp_nt->supply);  in sharp_nt_panel_add()
216 	sharp_nt->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);  in sharp_nt_panel_add()
217 	if (IS_ERR(sharp_nt->reset_gpio)) {  in sharp_nt_panel_add()
219 			PTR_ERR(sharp_nt->reset_gpio));  in sharp_nt_panel_add()
220 		sharp_nt->reset_gpio = NULL;  in sharp_nt_panel_add()
222 		gpiod_set_value(sharp_nt->reset_gpio, 0);  in sharp_nt_panel_add()
225 	drm_panel_init(&sharp_nt->base, &sharp_nt->dsi->dev,  in sharp_nt_panel_add()
228 	ret = drm_panel_of_backlight(&sharp_nt->base);  in sharp_nt_panel_add()
232 	drm_panel_add(&sharp_nt->base);  in sharp_nt_panel_add()
237 static void sharp_nt_panel_del(struct sharp_nt_panel *sharp_nt)  in sharp_nt_panel_del()  argument
239 	if (sharp_nt->base.dev)  in sharp_nt_panel_del()
240 		drm_panel_remove(&sharp_nt->base);  in sharp_nt_panel_del()
245 	struct sharp_nt_panel *sharp_nt;  in sharp_nt_panel_probe()  local
256 	sharp_nt = devm_kzalloc(&dsi->dev, sizeof(*sharp_nt), GFP_KERNEL);  in sharp_nt_panel_probe()
257 	if (!sharp_nt)  in sharp_nt_panel_probe()
260 	mipi_dsi_set_drvdata(dsi, sharp_nt);  in sharp_nt_panel_probe()
262 	sharp_nt->dsi = dsi;  in sharp_nt_panel_probe()
264 	ret = sharp_nt_panel_add(sharp_nt);  in sharp_nt_panel_probe()
270 		sharp_nt_panel_del(sharp_nt);  in sharp_nt_panel_probe()
279 	struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi);  in sharp_nt_panel_remove()  local
282 	ret = drm_panel_disable(&sharp_nt->base);  in sharp_nt_panel_remove()
290 	sharp_nt_panel_del(sharp_nt);  in sharp_nt_panel_remove()
295 	struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi);  in sharp_nt_panel_shutdown()  local
297 	drm_panel_disable(&sharp_nt->base);  in sharp_nt_panel_shutdown()