3  * Orisetech OTA5601A TFT LCD panel driver
42 static inline struct ota5601a *to_ota5601a(struct drm_panel *panel)  in to_ota5601a()  argument
44 	return container_of(panel, struct ota5601a, drm_panel);  in to_ota5601a()
113 	struct ota5601a *panel = to_ota5601a(drm_panel);  in ota5601a_prepare()  local
116 	err = regulator_enable(panel->supply);  in ota5601a_prepare()
123 	gpiod_set_value_cansleep(panel->reset_gpio, 1);  in ota5601a_prepare()
125 	gpiod_set_value_cansleep(panel->reset_gpio, 0);  in ota5601a_prepare()
129 	err = regmap_multi_reg_write(panel->map, ota5601a_panel_regs,  in ota5601a_prepare()
141 	regulator_disable(panel->supply);  in ota5601a_prepare()
147 	struct ota5601a *panel = to_ota5601a(drm_panel);  in ota5601a_unprepare()  local
149 	gpiod_set_value_cansleep(panel->reset_gpio, 1);  in ota5601a_unprepare()
151 	regulator_disable(panel->supply);  in ota5601a_unprepare()
158 	struct ota5601a *panel = to_ota5601a(drm_panel);  in ota5601a_enable()  local
161 	err = regmap_write(panel->map, OTA5601A_CTL, OTA5601A_CTL_ON);  in ota5601a_enable()
164 		dev_err(drm_panel->dev, "Unable to enable panel: %d\n", err);  in ota5601a_enable()
178 	struct ota5601a *panel = to_ota5601a(drm_panel);  in ota5601a_disable()  local
181 	err = regmap_write(panel->map, OTA5601A_CTL, OTA5601A_CTL_OFF);  in ota5601a_disable()
184 		dev_err(drm_panel->dev, "Unable to disable panel: %d\n", err);  in ota5601a_disable()
194 	struct ota5601a *panel = to_ota5601a(drm_panel);  in ota5601a_get_modes()  local
195 	const struct ota5601a_panel_info *panel_info = panel->panel_info;  in ota5601a_get_modes()
237 	struct ota5601a *panel;  in ota5601a_probe()  local
240 	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);  in ota5601a_probe()
241 	if (!panel)  in ota5601a_probe()
244 	spi_set_drvdata(spi, panel);  in ota5601a_probe()
246 	panel->panel_info = (const struct ota5601a_panel_info *)id->driver_data;  in ota5601a_probe()
247 	if (!panel->panel_info)  in ota5601a_probe()
250 	panel->supply = devm_regulator_get(dev, "power");  in ota5601a_probe()
251 	if (IS_ERR(panel->supply)) {  in ota5601a_probe()
253 		return PTR_ERR(panel->supply);  in ota5601a_probe()
256 	panel->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);  in ota5601a_probe()
257 	if (IS_ERR(panel->reset_gpio)) {  in ota5601a_probe()
259 		return PTR_ERR(panel->reset_gpio);  in ota5601a_probe()
270 	panel->map = devm_regmap_init_spi(spi, &ota5601a_regmap_config);  in ota5601a_probe()
271 	if (IS_ERR(panel->map)) {  in ota5601a_probe()
273 		return PTR_ERR(panel->map);  in ota5601a_probe()
276 	drm_panel_init(&panel->drm_panel, dev, &ota5601a_funcs,  in ota5601a_probe()
279 	err = drm_panel_of_backlight(&panel->drm_panel);  in ota5601a_probe()
286 	drm_panel_add(&panel->drm_panel);  in ota5601a_probe()
293 	struct ota5601a *panel = spi_get_drvdata(spi);  in ota5601a_remove()  local
295 	drm_panel_remove(&panel->drm_panel);  in ota5601a_remove()
297 	ota5601a_disable(&panel->drm_panel);  in ota5601a_remove()
298 	ota5601a_unprepare(&panel->drm_panel);  in ota5601a_remove()
363 MODULE_DESCRIPTION("Orisetech OTA5601A TFT LCD panel driver");