1 // SPDX-License-Identifier: GPL-2.0-only
11  * http://panelone.net/en/7-0-inch/JDI_LT070ME05000_7.0_inch-datasheet
30 	"iovcc"
57 	struct mipi_dsi_device *dsi = jdi->dsi;  in jdi_panel_init()
58 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_init()
61 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in jdi_panel_init()
75 	ret = mipi_dsi_dcs_set_column_address(dsi, 0, jdi->mode->hdisplay - 1);  in jdi_panel_init()
81 	ret = mipi_dsi_dcs_set_page_address(dsi, 0, jdi->mode->vdisplay - 1);  in jdi_panel_init()
147 	struct mipi_dsi_device *dsi = jdi->dsi;  in jdi_panel_on()
148 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_on()
151 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in jdi_panel_on()
162 	struct mipi_dsi_device *dsi = jdi->dsi;  in jdi_panel_off()
163 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_off()
166 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in jdi_panel_off()
183 	if (!jdi->enabled)  in jdi_panel_disable()
186 	backlight_disable(jdi->backlight);  in jdi_panel_disable()
188 	jdi->enabled = false;  in jdi_panel_disable()
196 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_unprepare()
199 	if (!jdi->prepared)  in jdi_panel_unprepare()
204 	ret = regulator_bulk_disable(ARRAY_SIZE(jdi->supplies), jdi->supplies);  in jdi_panel_unprepare()
208 	gpiod_set_value(jdi->enable_gpio, 0);  in jdi_panel_unprepare()
210 	gpiod_set_value(jdi->reset_gpio, 1);  in jdi_panel_unprepare()
212 	gpiod_set_value(jdi->dcdc_en_gpio, 0);  in jdi_panel_unprepare()
214 	jdi->prepared = false;  in jdi_panel_unprepare()
222 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_prepare()
225 	if (jdi->prepared)  in jdi_panel_prepare()
228 	ret = regulator_bulk_enable(ARRAY_SIZE(jdi->supplies), jdi->supplies);  in jdi_panel_prepare()
236 	gpiod_set_value(jdi->dcdc_en_gpio, 1);  in jdi_panel_prepare()
239 	gpiod_set_value(jdi->reset_gpio, 0);  in jdi_panel_prepare()
242 	gpiod_set_value(jdi->enable_gpio, 1);  in jdi_panel_prepare()
257 	jdi->prepared = true;  in jdi_panel_prepare()
262 	ret = regulator_bulk_disable(ARRAY_SIZE(jdi->supplies), jdi->supplies);  in jdi_panel_prepare()
266 	gpiod_set_value(jdi->enable_gpio, 0);  in jdi_panel_prepare()
268 	gpiod_set_value(jdi->reset_gpio, 1);  in jdi_panel_prepare()
270 	gpiod_set_value(jdi->dcdc_en_gpio, 0);  in jdi_panel_prepare()
279 	if (jdi->enabled)  in jdi_panel_enable()
282 	backlight_enable(jdi->backlight);  in jdi_panel_enable()
284 	jdi->enabled = true;  in jdi_panel_enable()
307 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_get_modes()
309 	mode = drm_mode_duplicate(connector->dev, &default_mode);  in jdi_panel_get_modes()
314 		return -ENOMEM;  in jdi_panel_get_modes()
321 	connector->display_info.width_mm = 95;  in jdi_panel_get_modes()
322 	connector->display_info.height_mm = 151;  in jdi_panel_get_modes()
331 	u16 brightness = bl->props.brightness;  in dsi_dcs_bl_get_brightness()
333 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in dsi_dcs_bl_get_brightness()
339 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in dsi_dcs_bl_get_brightness()
349 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in dsi_dcs_bl_update_status()
351 	ret = mipi_dsi_dcs_set_display_brightness(dsi, bl->props.brightness);  in dsi_dcs_bl_update_status()
355 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in dsi_dcs_bl_update_status()
368 	struct device *dev = &dsi->dev;  in drm_panel_create_dsi_backlight()
396 	struct device *dev = &jdi->dsi->dev;  in jdi_panel_add()
400 	jdi->mode = &default_mode;  in jdi_panel_add()
402 	for (i = 0; i < ARRAY_SIZE(jdi->supplies); i++)  in jdi_panel_add()
403 		jdi->supplies[i].supply = regulator_names[i];  in jdi_panel_add()
405 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(jdi->supplies),  in jdi_panel_add()
406 				      jdi->supplies);  in jdi_panel_add()
412 	jdi->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);  in jdi_panel_add()
413 	if (IS_ERR(jdi->enable_gpio)) {  in jdi_panel_add()
414 		ret = PTR_ERR(jdi->enable_gpio);  in jdi_panel_add()
415 		dev_err(dev, "cannot get enable-gpio %d\n", ret);  in jdi_panel_add()
419 	jdi->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);  in jdi_panel_add()
420 	if (IS_ERR(jdi->reset_gpio)) {  in jdi_panel_add()
421 		ret = PTR_ERR(jdi->reset_gpio);  in jdi_panel_add()
422 		dev_err(dev, "cannot get reset-gpios %d\n", ret);  in jdi_panel_add()
426 	jdi->dcdc_en_gpio = devm_gpiod_get(dev, "dcdc-en", GPIOD_OUT_LOW);  in jdi_panel_add()
427 	if (IS_ERR(jdi->dcdc_en_gpio)) {  in jdi_panel_add()
428 		ret = PTR_ERR(jdi->dcdc_en_gpio);  in jdi_panel_add()
429 		dev_err(dev, "cannot get dcdc-en-gpio %d\n", ret);  in jdi_panel_add()
433 	jdi->backlight = drm_panel_create_dsi_backlight(jdi->dsi);  in jdi_panel_add()
434 	if (IS_ERR(jdi->backlight)) {  in jdi_panel_add()
435 		ret = PTR_ERR(jdi->backlight);  in jdi_panel_add()
440 	drm_panel_init(&jdi->base, &jdi->dsi->dev, &jdi_panel_funcs,  in jdi_panel_add()
443 	drm_panel_add(&jdi->base);  in jdi_panel_add()
450 	if (jdi->base.dev)  in jdi_panel_del()
451 		drm_panel_remove(&jdi->base);  in jdi_panel_del()
459 	dsi->lanes = 4;  in jdi_panel_probe()
460 	dsi->format = MIPI_DSI_FMT_RGB888;  in jdi_panel_probe()
461 	dsi->mode_flags =  MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO |  in jdi_panel_probe()
464 	jdi = devm_kzalloc(&dsi->dev, sizeof(*jdi), GFP_KERNEL);  in jdi_panel_probe()
466 		return -ENOMEM;  in jdi_panel_probe()
470 	jdi->dsi = dsi;  in jdi_panel_probe()
484 	ret = jdi_panel_disable(&jdi->base);  in jdi_panel_remove()
486 		dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);  in jdi_panel_remove()
490 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n",  in jdi_panel_remove()
502 	jdi_panel_disable(&jdi->base);  in jdi_panel_shutdown()
507 		.name = "panel-jdi-lt070me05000",