53 static int sharp_nt_panel_init(struct sharp_nt_panel *sharp_nt)  in sharp_nt_panel_init()  argument
55 	struct mipi_dsi_device *dsi = sharp_nt->dsi;  in sharp_nt_panel_init()
80 static int sharp_nt_panel_on(struct sharp_nt_panel *sharp_nt)  in sharp_nt_panel_on()  argument
82 	struct mipi_dsi_device *dsi = sharp_nt->dsi;  in sharp_nt_panel_on()
94 static int sharp_nt_panel_off(struct sharp_nt_panel *sharp_nt)  in sharp_nt_panel_off()  argument
96 	struct mipi_dsi_device *dsi = sharp_nt->dsi;  in sharp_nt_panel_off()
115 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);  in sharp_nt_panel_disable()  local
117 	if (!sharp_nt->enabled)  in sharp_nt_panel_disable()
120 	backlight_disable(sharp_nt->backlight);  in sharp_nt_panel_disable()
122 	sharp_nt->enabled = false;  in sharp_nt_panel_disable()
129 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);  in sharp_nt_panel_unprepare()  local
132 	if (!sharp_nt->prepared)  in sharp_nt_panel_unprepare()
135 	ret = sharp_nt_panel_off(sharp_nt);  in sharp_nt_panel_unprepare()
141 	regulator_disable(sharp_nt->supply);  in sharp_nt_panel_unprepare()
142 	if (sharp_nt->reset_gpio)  in sharp_nt_panel_unprepare()
143 		gpiod_set_value(sharp_nt->reset_gpio, 0);  in sharp_nt_panel_unprepare()
145 	sharp_nt->prepared = false;  in sharp_nt_panel_unprepare()
152 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);  in sharp_nt_panel_prepare()  local
155 	if (sharp_nt->prepared)  in sharp_nt_panel_prepare()
158 	ret = regulator_enable(sharp_nt->supply);  in sharp_nt_panel_prepare()
164 	if (sharp_nt->reset_gpio) {  in sharp_nt_panel_prepare()
165 		gpiod_set_value(sharp_nt->reset_gpio, 1);  in sharp_nt_panel_prepare()
167 		gpiod_set_value(sharp_nt->reset_gpio, 0);  in sharp_nt_panel_prepare()
169 		gpiod_set_value(sharp_nt->reset_gpio, 1);  in sharp_nt_panel_prepare()
173 	ret = sharp_nt_panel_init(sharp_nt);  in sharp_nt_panel_prepare()
179 	ret = sharp_nt_panel_on(sharp_nt);  in sharp_nt_panel_prepare()
185 	sharp_nt->prepared = true;  in sharp_nt_panel_prepare()
190 	regulator_disable(sharp_nt->supply);  in sharp_nt_panel_prepare()
191 	if (sharp_nt->reset_gpio)  in sharp_nt_panel_prepare()
192 		gpiod_set_value(sharp_nt->reset_gpio, 0);  in sharp_nt_panel_prepare()
198 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);  in sharp_nt_panel_enable()  local
200 	if (sharp_nt->enabled)  in sharp_nt_panel_enable()
203 	backlight_enable(sharp_nt->backlight);  in sharp_nt_panel_enable()
205 	sharp_nt->enabled = true;  in sharp_nt_panel_enable()
253 static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt)  in sharp_nt_panel_add()  argument
255 	struct device *dev = &sharp_nt->dsi->dev;  in sharp_nt_panel_add()
257 	sharp_nt->mode = &default_mode;  in sharp_nt_panel_add()
259 	sharp_nt->supply = devm_regulator_get(dev, "avdd");  in sharp_nt_panel_add()
260 	if (IS_ERR(sharp_nt->supply))  in sharp_nt_panel_add()
261 		return PTR_ERR(sharp_nt->supply);  in sharp_nt_panel_add()
263 	sharp_nt->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);  in sharp_nt_panel_add()
264 	if (IS_ERR(sharp_nt->reset_gpio)) {  in sharp_nt_panel_add()
266 			PTR_ERR(sharp_nt->reset_gpio));  in sharp_nt_panel_add()
267 		sharp_nt->reset_gpio = NULL;  in sharp_nt_panel_add()
269 		gpiod_set_value(sharp_nt->reset_gpio, 0);  in sharp_nt_panel_add()
272 	sharp_nt->backlight = devm_of_find_backlight(dev);  in sharp_nt_panel_add()
274 	if (IS_ERR(sharp_nt->backlight))  in sharp_nt_panel_add()
275 		return PTR_ERR(sharp_nt->backlight);  in sharp_nt_panel_add()
277 	drm_panel_init(&sharp_nt->base);  in sharp_nt_panel_add()
278 	sharp_nt->base.funcs = &sharp_nt_panel_funcs;  in sharp_nt_panel_add()
279 	sharp_nt->base.dev = &sharp_nt->dsi->dev;  in sharp_nt_panel_add()
281 	return drm_panel_add(&sharp_nt->base);  in sharp_nt_panel_add()
284 static void sharp_nt_panel_del(struct sharp_nt_panel *sharp_nt)  in sharp_nt_panel_del()  argument
286 	if (sharp_nt->base.dev)  in sharp_nt_panel_del()
287 		drm_panel_remove(&sharp_nt->base);  in sharp_nt_panel_del()
292 	struct sharp_nt_panel *sharp_nt;  in sharp_nt_panel_probe()  local
302 	sharp_nt = devm_kzalloc(&dsi->dev, sizeof(*sharp_nt), GFP_KERNEL);  in sharp_nt_panel_probe()
303 	if (!sharp_nt)  in sharp_nt_panel_probe()
306 	mipi_dsi_set_drvdata(dsi, sharp_nt);  in sharp_nt_panel_probe()
308 	sharp_nt->dsi = dsi;  in sharp_nt_panel_probe()
310 	ret = sharp_nt_panel_add(sharp_nt);  in sharp_nt_panel_probe()
319 	struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi);  in sharp_nt_panel_remove()  local
322 	ret = sharp_nt_panel_disable(&sharp_nt->base);  in sharp_nt_panel_remove()
330 	sharp_nt_panel_del(sharp_nt);  in sharp_nt_panel_remove()
337 	struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi);  in sharp_nt_panel_shutdown()  local
339 	sharp_nt_panel_disable(&sharp_nt->base);  in sharp_nt_panel_shutdown()