1 // SPDX-License-Identifier: GPL-2.0-only
50 	struct mipi_dsi_device *dsi = jdi->dsi;  in jdi_panel_init()
51 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_init()
54 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  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()
140 	struct mipi_dsi_device *dsi = jdi->dsi;  in jdi_panel_on()
141 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_on()
144 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in jdi_panel_on()
155 	struct mipi_dsi_device *dsi = jdi->dsi;  in jdi_panel_off()
156 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_off()
159 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in jdi_panel_off()
176 	backlight_disable(jdi->backlight);  in jdi_panel_disable()
184 	struct device *dev = &jdi->dsi->dev;  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()
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()
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()
257 	backlight_enable(jdi->backlight);  in jdi_panel_enable()
263 		.clock = 155493,
280 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_get_modes()
282 	mode = drm_mode_duplicate(connector->dev, &default_mode);  in jdi_panel_get_modes()
287 		return -ENOMEM;  in jdi_panel_get_modes()
294 	connector->display_info.width_mm = 95;  in jdi_panel_get_modes()
295 	connector->display_info.height_mm = 151;  in jdi_panel_get_modes()
304 	u16 brightness = bl->props.brightness;  in dsi_dcs_bl_get_brightness()
306 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in dsi_dcs_bl_get_brightness()
312 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in dsi_dcs_bl_get_brightness()
322 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in dsi_dcs_bl_update_status()
324 	ret = mipi_dsi_dcs_set_display_brightness(dsi, bl->props.brightness);  in dsi_dcs_bl_update_status()
328 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in dsi_dcs_bl_update_status()
341 	struct device *dev = &dsi->dev;  in drm_panel_create_dsi_backlight()
342 	struct backlight_properties props;  in drm_panel_create_dsi_backlight()  local
344 	memset(&props, 0, sizeof(props));  in drm_panel_create_dsi_backlight()
345 	props.type = BACKLIGHT_RAW;  in drm_panel_create_dsi_backlight()
346 	props.brightness = 255;  in drm_panel_create_dsi_backlight()
347 	props.max_brightness = 255;  in drm_panel_create_dsi_backlight()
350 					      &dsi_bl_ops, &props);  in drm_panel_create_dsi_backlight()
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()
387 				     "cannot get enable-gpio %d\n", ret);  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()
393 				     "cannot get reset-gpios %d\n", ret);  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()
398 				     "cannot get dcdc-en-gpio %d\n", ret);  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_add(&jdi->base);  in jdi_panel_add()
412 	if (jdi->base.dev)  in jdi_panel_del()
413 		drm_panel_remove(&jdi->base);  in jdi_panel_del()
421 	dsi->lanes = 4;  in jdi_panel_probe()
422 	dsi->format = MIPI_DSI_FMT_RGB888;  in jdi_panel_probe()
423 	dsi->mode_flags =  MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO |  in jdi_panel_probe()
426 	jdi = devm_drm_panel_alloc(&dsi->dev, __typeof(*jdi), base,  in jdi_panel_probe()
434 	jdi->dsi = dsi;  in jdi_panel_probe()
456 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n",  in jdi_panel_remove()
464 		.name = "panel-jdi-lt070me05000",