drm/panel/panel-magnachip-d53e6ea8966.c

42 	void (*panel_init_seq)(struct d53e6ea8966 *db);
44 	int (*backlight_register)(struct d53e6ea8966 *db);
166 static void ams495qa01_panel_init(struct d53e6ea8966 *db)
168 	struct mipi_dbi *dbi = &db->dbi;
206 	struct d53e6ea8966 *db = to_d53e6ea8966(panel);
210 	ret = regulator_enable(db->reg_vdd);
212 		dev_err(db->dev, "failed to enable vdd regulator: %d\n", ret);
216 	if (db->reg_elvdd) {
217 		ret = regulator_enable(db->reg_elvdd);
219 			dev_err(db->dev,
221 			regulator_disable(db->reg_vdd);
227 	if (db->enable)
228 		gpiod_set_value_cansleep(db->enable, 1);
233 	gpiod_set_value_cansleep(db->reset, 1);
235 	gpiod_set_value_cansleep(db->reset, 0);
238 	db->panel_info->panel_init_seq(db);
245 	struct d53e6ea8966 *db = to_d53e6ea8966(panel);
246 	struct mipi_dbi *dbi = &db->dbi;
258 	struct d53e6ea8966 *db = to_d53e6ea8966(panel);
259 	struct mipi_dbi *dbi = &db->dbi;
271 	struct d53e6ea8966 *db = to_d53e6ea8966(panel);
273 	if (db->enable)
274 		gpiod_set_value_cansleep(db->enable, 0);
276 	gpiod_set_value_cansleep(db->reset, 1);
278 	if (db->reg_elvdd)
279 		regulator_disable(db->reg_elvdd);
281 	regulator_disable(db->reg_vdd);
290 	struct d53e6ea8966 *db = to_d53e6ea8966(panel);
291 	const struct d53e6ea8966_panel_info *panel_info = db->panel_info;
327 	struct d53e6ea8966 *db = bl_get_data(bd);
328 	struct mipi_dbi *dbi = &db->dbi;
340 static int ams495qa01_backlight_register(struct d53e6ea8966 *db)
347 	struct device *dev = db->dev;
350 	db->bl_dev = devm_backlight_device_register(dev, "panel", dev, db,
353 	if (IS_ERR(db->bl_dev)) {
354 		ret = PTR_ERR(db->bl_dev);
365 	struct d53e6ea8966 *db;
373 	db = devm_kzalloc(dev, sizeof(*db), GFP_KERNEL);
374 	if (!db)
377 	spi_set_drvdata(spi, db);
379 	db->dev = dev;
381 	db->panel_info = of_device_get_match_data(dev);
382 	if (!db->panel_info)
385 	db->reg_vdd = devm_regulator_get(dev, "vdd");
386 	if (IS_ERR(db->reg_vdd))
387 		return dev_err_probe(dev, PTR_ERR(db->reg_vdd),
390 	db->reg_elvdd = devm_regulator_get_optional(dev, "elvdd");
391 	if (IS_ERR(db->reg_elvdd))
392 		db->reg_elvdd = NULL;
394 	db->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
395 	if (IS_ERR(db->reset)) {
396 		ret = PTR_ERR(db->reset);
400 	db->enable = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW);
401 	if (IS_ERR(db->enable)) {
402 		ret = PTR_ERR(db->enable);
406 	ret = mipi_dbi_spi_init(spi, &db->dbi, NULL);
416 	db->dsi_dev = devm_mipi_dsi_device_register_full(dev, dsi_host, &info);
417 	if (IS_ERR(db->dsi_dev)) {
419 			PTR_ERR(db->dsi_dev));
420 		return PTR_ERR(db->dsi_dev);
423 	db->dsi_dev->lanes = 2;
424 	db->dsi_dev->format = MIPI_DSI_FMT_RGB888;
425 	db->dsi_dev->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
428 	drm_panel_init(&db->panel, dev, &d53e6ea8966_panel_funcs,
431 	if (db->panel_info->backlight_register) {
432 		ret = db->panel_info->backlight_register(db);
435 		db->panel.backlight = db->bl_dev;
438 	drm_panel_add(&db->panel);
440 	ret = devm_mipi_dsi_attach(dev, db->dsi_dev);
443 		drm_panel_remove(&db->panel);
452 	struct d53e6ea8966 *db = spi_get_drvdata(spi);
454 	drm_panel_remove(&db->panel);