48 static int jdi_panel_init(struct jdi_panel *jdi)  in jdi_panel_init()  argument
50 	struct mipi_dsi_device *dsi = jdi->dsi;  in jdi_panel_init()
51 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_init()
68 	ret = mipi_dsi_dcs_set_column_address(dsi, 0, jdi->mode->hdisplay - 1);  in jdi_panel_init()
74 	ret = mipi_dsi_dcs_set_page_address(dsi, 0, jdi->mode->vdisplay - 1);  in jdi_panel_init()
138 static int jdi_panel_on(struct jdi_panel *jdi)  in jdi_panel_on()  argument
140 	struct mipi_dsi_device *dsi = jdi->dsi;  in jdi_panel_on()
141 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_on()
153 static void jdi_panel_off(struct jdi_panel *jdi)  in jdi_panel_off()  argument
155 	struct mipi_dsi_device *dsi = jdi->dsi;  in jdi_panel_off()
156 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_off()
174 	struct jdi_panel *jdi = to_jdi_panel(panel);  in jdi_panel_disable()  local
176 	backlight_disable(jdi->backlight);  in jdi_panel_disable()
183 	struct jdi_panel *jdi = to_jdi_panel(panel);  in jdi_panel_unprepare()  local
184 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_unprepare()
187 	jdi_panel_off(jdi);  in jdi_panel_unprepare()
189 	ret = regulator_bulk_disable(ARRAY_SIZE(jdi->supplies), jdi->supplies);  in jdi_panel_unprepare()
193 	gpiod_set_value(jdi->enable_gpio, 0);  in jdi_panel_unprepare()
195 	gpiod_set_value(jdi->reset_gpio, 1);  in jdi_panel_unprepare()
197 	gpiod_set_value(jdi->dcdc_en_gpio, 0);  in jdi_panel_unprepare()
204 	struct jdi_panel *jdi = to_jdi_panel(panel);  in jdi_panel_prepare()  local
205 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_prepare()
208 	ret = regulator_bulk_enable(ARRAY_SIZE(jdi->supplies), jdi->supplies);  in jdi_panel_prepare()
216 	gpiod_set_value(jdi->dcdc_en_gpio, 1);  in jdi_panel_prepare()
219 	gpiod_set_value(jdi->reset_gpio, 0);  in jdi_panel_prepare()
222 	gpiod_set_value(jdi->enable_gpio, 1);  in jdi_panel_prepare()
225 	ret = jdi_panel_init(jdi);  in jdi_panel_prepare()
231 	ret = jdi_panel_on(jdi);  in jdi_panel_prepare()
240 	ret = regulator_bulk_disable(ARRAY_SIZE(jdi->supplies), jdi->supplies);  in jdi_panel_prepare()
244 	gpiod_set_value(jdi->enable_gpio, 0);  in jdi_panel_prepare()
246 	gpiod_set_value(jdi->reset_gpio, 1);  in jdi_panel_prepare()
248 	gpiod_set_value(jdi->dcdc_en_gpio, 0);  in jdi_panel_prepare()
255 	struct jdi_panel *jdi = to_jdi_panel(panel);  in jdi_panel_enable()  local
257 	backlight_enable(jdi->backlight);  in jdi_panel_enable()
279 	struct jdi_panel *jdi = to_jdi_panel(panel);  in jdi_panel_get_modes()  local
280 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_get_modes()
367 static int jdi_panel_add(struct jdi_panel *jdi)  in jdi_panel_add()  argument
369 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_add()
373 	jdi->mode = &default_mode;  in jdi_panel_add()
375 	for (i = 0; i < ARRAY_SIZE(jdi->supplies); i++)  in jdi_panel_add()
376 		jdi->supplies[i].supply = regulator_names[i];  in jdi_panel_add()
378 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(jdi->supplies),  in jdi_panel_add()
379 				      jdi->supplies);  in jdi_panel_add()
384 	jdi->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);  in jdi_panel_add()
385 	if (IS_ERR(jdi->enable_gpio)) {  in jdi_panel_add()
386 		return dev_err_probe(dev, PTR_ERR(jdi->enable_gpio),  in jdi_panel_add()
390 	jdi->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);  in jdi_panel_add()
391 	if (IS_ERR(jdi->reset_gpio))  in jdi_panel_add()
392 		return dev_err_probe(dev, PTR_ERR(jdi->reset_gpio),  in jdi_panel_add()
395 	jdi->dcdc_en_gpio = devm_gpiod_get(dev, "dcdc-en", GPIOD_OUT_LOW);  in jdi_panel_add()
396 	if (IS_ERR(jdi->dcdc_en_gpio))  in jdi_panel_add()
397 		return dev_err_probe(dev, PTR_ERR(jdi->dcdc_en_gpio),  in jdi_panel_add()
400 	jdi->backlight = drm_panel_create_dsi_backlight(jdi->dsi);  in jdi_panel_add()
401 	if (IS_ERR(jdi->backlight))  in jdi_panel_add()
402 		return dev_err_probe(dev, PTR_ERR(jdi->backlight),  in jdi_panel_add()
405 	drm_panel_init(&jdi->base, &jdi->dsi->dev, &jdi_panel_funcs,  in jdi_panel_add()
408 	drm_panel_add(&jdi->base);  in jdi_panel_add()
413 static void jdi_panel_del(struct jdi_panel *jdi)  in jdi_panel_del()  argument
415 	if (jdi->base.dev)  in jdi_panel_del()
416 		drm_panel_remove(&jdi->base);  in jdi_panel_del()
421 	struct jdi_panel *jdi;  in jdi_panel_probe()  local
429 	jdi = devm_kzalloc(&dsi->dev, sizeof(*jdi), GFP_KERNEL);  in jdi_panel_probe()
430 	if (!jdi)  in jdi_panel_probe()
433 	mipi_dsi_set_drvdata(dsi, jdi);  in jdi_panel_probe()
435 	jdi->dsi = dsi;  in jdi_panel_probe()
437 	ret = jdi_panel_add(jdi);  in jdi_panel_probe()
443 		jdi_panel_del(jdi);  in jdi_panel_probe()
452 	struct jdi_panel *jdi = mipi_dsi_get_drvdata(dsi);  in jdi_panel_remove()  local
460 	jdi_panel_del(jdi);  in jdi_panel_remove()