1 // SPDX-License-Identifier: GPL-2.0+
24 	struct regulator *supply;  member
54 	/* VSN setting */
185 	err = mipi_dsi_dcs_set_display_off(kingdisplay->link);  in kingdisplay_panel_disable()
187 		dev_err(panel->dev, "failed to set display off: %d\n", err);  in kingdisplay_panel_disable()
197 	err = mipi_dsi_dcs_enter_sleep_mode(kingdisplay->link);  in kingdisplay_panel_unprepare()
199 		dev_err(panel->dev, "failed to enter sleep mode: %d\n", err);  in kingdisplay_panel_unprepare()
206 	gpiod_set_value_cansleep(kingdisplay->enable_gpio, 0);  in kingdisplay_panel_unprepare()
208 	err = regulator_disable(kingdisplay->supply);  in kingdisplay_panel_unprepare()
221 	gpiod_set_value_cansleep(kingdisplay->enable_gpio, 0);  in kingdisplay_panel_prepare()
223 	err = regulator_enable(kingdisplay->supply);  in kingdisplay_panel_prepare()
230 	gpiod_set_value_cansleep(kingdisplay->enable_gpio, 1);  in kingdisplay_panel_prepare()
236 		err = mipi_dsi_generic_write(kingdisplay->link, &init_code[i],  in kingdisplay_panel_prepare()
239 			dev_err(panel->dev, "failed write init cmds: %d\n", err);  in kingdisplay_panel_prepare()
244 	err = mipi_dsi_dcs_exit_sleep_mode(kingdisplay->link);  in kingdisplay_panel_prepare()
246 		dev_err(panel->dev, "failed to exit sleep mode: %d\n", err);  in kingdisplay_panel_prepare()
253 	err = mipi_dsi_dcs_set_display_on(kingdisplay->link);  in kingdisplay_panel_prepare()
255 		dev_err(panel->dev, "failed to set display on: %d\n", err);  in kingdisplay_panel_prepare()
265 	gpiod_set_value_cansleep(kingdisplay->enable_gpio, 0);  in kingdisplay_panel_prepare()
267 	regulator_err = regulator_disable(kingdisplay->supply);  in kingdisplay_panel_prepare()
269 		dev_err(panel->dev, "failed to disable regulator: %d\n", regulator_err);  in kingdisplay_panel_prepare()
291 	mode = drm_mode_duplicate(connector->dev, &default_mode);  in kingdisplay_panel_get_modes()
293 		dev_err(panel->dev, "failed to add mode %ux%u@%u\n",  in kingdisplay_panel_get_modes()
296 		return -ENOMEM;  in kingdisplay_panel_get_modes()
303 	connector->display_info.width_mm = 147;  in kingdisplay_panel_get_modes()
304 	connector->display_info.height_mm = 196;  in kingdisplay_panel_get_modes()
305 	connector->display_info.bpc = 8;  in kingdisplay_panel_get_modes()
325 	struct device *dev = &kingdisplay->link->dev;  in kingdisplay_panel_add()
328 	kingdisplay->supply = devm_regulator_get(dev, "power");  in kingdisplay_panel_add()
329 	if (IS_ERR(kingdisplay->supply))  in kingdisplay_panel_add()
330 		return PTR_ERR(kingdisplay->supply);  in kingdisplay_panel_add()
332 	kingdisplay->enable_gpio = devm_gpiod_get_optional(dev, "enable",  in kingdisplay_panel_add()
334 	if (IS_ERR(kingdisplay->enable_gpio)) {  in kingdisplay_panel_add()
335 		err = PTR_ERR(kingdisplay->enable_gpio);  in kingdisplay_panel_add()
337 		kingdisplay->enable_gpio = NULL;  in kingdisplay_panel_add()
340 	drm_panel_init(&kingdisplay->base, &kingdisplay->link->dev,  in kingdisplay_panel_add()
343 	err = drm_panel_of_backlight(&kingdisplay->base);  in kingdisplay_panel_add()
347 	drm_panel_add(&kingdisplay->base);  in kingdisplay_panel_add()
354 	drm_panel_remove(&kingdisplay->base);  in kingdisplay_panel_del()
362 	dsi->lanes = 4;  in kingdisplay_panel_probe()
363 	dsi->format = MIPI_DSI_FMT_RGB888;  in kingdisplay_panel_probe()
364 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |  in kingdisplay_panel_probe()
367 	kingdisplay = devm_kzalloc(&dsi->dev, sizeof(*kingdisplay), GFP_KERNEL);  in kingdisplay_panel_probe()
369 		return -ENOMEM;  in kingdisplay_panel_probe()
372 	kingdisplay->link = dsi;  in kingdisplay_panel_probe()
394 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);  in kingdisplay_panel_remove()
401 		.name = "panel-kingdisplay-kd097d04",
409 MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
410 MODULE_AUTHOR("Nickey Yang <nickey.yang@rock-chips.com>");