3  * Novatek NT39016 TFT LCD panel driver
66 static inline struct nt39016 *to_nt39016(struct drm_panel *panel)  in to_nt39016()  argument
68 	return container_of(panel, struct nt39016, drm_panel);  in to_nt39016()
121 	struct nt39016 *panel = to_nt39016(drm_panel);  in nt39016_prepare()  local
124 	err = regulator_enable(panel->supply);  in nt39016_prepare()
136 	gpiod_set_value_cansleep(panel->reset_gpio, 1);  in nt39016_prepare()
138 	gpiod_set_value_cansleep(panel->reset_gpio, 0);  in nt39016_prepare()
142 	err = regmap_multi_reg_write(panel->map, nt39016_panel_regs,  in nt39016_prepare()
152 	regulator_disable(panel->supply);  in nt39016_prepare()
158 	struct nt39016 *panel = to_nt39016(drm_panel);  in nt39016_unprepare()  local
160 	gpiod_set_value_cansleep(panel->reset_gpio, 1);  in nt39016_unprepare()
162 	regulator_disable(panel->supply);  in nt39016_unprepare()
169 	struct nt39016 *panel = to_nt39016(drm_panel);  in nt39016_enable()  local
172 	ret = regmap_write(panel->map, NT39016_REG_SYSTEM,  in nt39016_enable()
175 		dev_err(drm_panel->dev, "Unable to enable panel: %d\n", ret);  in nt39016_enable()
189 	struct nt39016 *panel = to_nt39016(drm_panel);  in nt39016_disable()  local
192 	err = regmap_write(panel->map, NT39016_REG_SYSTEM,  in nt39016_disable()
195 		dev_err(drm_panel->dev, "Unable to disable panel: %d\n", err);  in nt39016_disable()
205 	struct nt39016 *panel = to_nt39016(drm_panel);  in nt39016_get_modes()  local
206 	const struct nt39016_panel_info *panel_info = panel->panel_info;  in nt39016_get_modes()
247 	struct nt39016 *panel;  in nt39016_probe()  local
250 	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);  in nt39016_probe()
251 	if (!panel)  in nt39016_probe()
254 	spi_set_drvdata(spi, panel);  in nt39016_probe()
256 	panel->panel_info = of_device_get_match_data(dev);  in nt39016_probe()
257 	if (!panel->panel_info)  in nt39016_probe()
260 	panel->supply = devm_regulator_get(dev, "power");  in nt39016_probe()
261 	if (IS_ERR(panel->supply))  in nt39016_probe()
262 		return dev_err_probe(dev, PTR_ERR(panel->supply),  in nt39016_probe()
265 	panel->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);  in nt39016_probe()
266 	if (IS_ERR(panel->reset_gpio))  in nt39016_probe()
267 		return dev_err_probe(dev, PTR_ERR(panel->reset_gpio), "Failed to get reset GPIO\n");  in nt39016_probe()
277 	panel->map = devm_regmap_init_spi(spi, &nt39016_regmap_config);  in nt39016_probe()
278 	if (IS_ERR(panel->map)) {  in nt39016_probe()
280 		return PTR_ERR(panel->map);  in nt39016_probe()
283 	drm_panel_init(&panel->drm_panel, dev, &nt39016_funcs,  in nt39016_probe()
286 	err = drm_panel_of_backlight(&panel->drm_panel);  in nt39016_probe()
290 	drm_panel_add(&panel->drm_panel);  in nt39016_probe()
297 	struct nt39016 *panel = spi_get_drvdata(spi);  in nt39016_remove()  local
299 	drm_panel_remove(&panel->drm_panel);  in nt39016_remove()
301 	nt39016_disable(&panel->drm_panel);  in nt39016_remove()
302 	nt39016_unprepare(&panel->drm_panel);  in nt39016_remove()