37 	unsigned int height;  member
58 	if (lvds->backlight) {  in panel_lvds_disable()
59 		lvds->backlight->props.power = FB_BLANK_POWERDOWN;  in panel_lvds_disable()
60 		lvds->backlight->props.state |= BL_CORE_FBBLANK;  in panel_lvds_disable()
61 		backlight_update_status(lvds->backlight);  in panel_lvds_disable()
71 	if (lvds->enable_gpio)  in panel_lvds_unprepare()
72 		gpiod_set_value_cansleep(lvds->enable_gpio, 0);  in panel_lvds_unprepare()
74 	if (lvds->supply)  in panel_lvds_unprepare()
75 		regulator_disable(lvds->supply);  in panel_lvds_unprepare()
84 	if (lvds->supply) {  in panel_lvds_prepare()
87 		err = regulator_enable(lvds->supply);  in panel_lvds_prepare()
89 			dev_err(lvds->dev, "failed to enable supply: %d\n",  in panel_lvds_prepare()
95 	if (lvds->enable_gpio)  in panel_lvds_prepare()
96 		gpiod_set_value_cansleep(lvds->enable_gpio, 1);  in panel_lvds_prepare()
105 	if (lvds->backlight) {  in panel_lvds_enable()
106 		lvds->backlight->props.state &= ~BL_CORE_FBBLANK;  in panel_lvds_enable()
107 		lvds->backlight->props.power = FB_BLANK_UNBLANK;  in panel_lvds_enable()
108 		backlight_update_status(lvds->backlight);  in panel_lvds_enable()
117 	struct drm_connector *connector = lvds->panel.connector;  in panel_lvds_get_modes()
120 	mode = drm_mode_create(lvds->panel.drm);  in panel_lvds_get_modes()
124 	drm_display_mode_from_videomode(&lvds->video_mode, mode);  in panel_lvds_get_modes()
125 	mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;  in panel_lvds_get_modes()
128 	connector->display_info.width_mm = lvds->width;  in panel_lvds_get_modes()
129 	connector->display_info.height_mm = lvds->height;  in panel_lvds_get_modes()
130 	drm_display_info_set_bus_formats(&connector->display_info,  in panel_lvds_get_modes()
131 					 &lvds->bus_format, 1);  in panel_lvds_get_modes()
132 	connector->display_info.bus_flags = lvds->data_mirror  in panel_lvds_get_modes()
149 	struct device_node *np = lvds->dev->of_node;  in panel_lvds_parse_dt()
154 	ret = of_get_display_timing(np, "panel-timing", &timing);  in panel_lvds_parse_dt()
158 	videomode_from_timing(&timing, &lvds->video_mode);  in panel_lvds_parse_dt()
160 	ret = of_property_read_u32(np, "width-mm", &lvds->width);  in panel_lvds_parse_dt()
162 		dev_err(lvds->dev, "%pOF: invalid or missing %s DT property\n",  in panel_lvds_parse_dt()
163 			np, "width-mm");  in panel_lvds_parse_dt()
164 		return -ENODEV;  in panel_lvds_parse_dt()
166 	ret = of_property_read_u32(np, "height-mm", &lvds->height);  in panel_lvds_parse_dt()
168 		dev_err(lvds->dev, "%pOF: invalid or missing %s DT property\n",  in panel_lvds_parse_dt()
169 			np, "height-mm");  in panel_lvds_parse_dt()
170 		return -ENODEV;  in panel_lvds_parse_dt()
173 	of_property_read_string(np, "label", &lvds->label);  in panel_lvds_parse_dt()
175 	ret = of_property_read_string(np, "data-mapping", &mapping);  in panel_lvds_parse_dt()
177 		dev_err(lvds->dev, "%pOF: invalid or missing %s DT property\n",  in panel_lvds_parse_dt()
178 			np, "data-mapping");  in panel_lvds_parse_dt()
179 		return -ENODEV;  in panel_lvds_parse_dt()
182 	if (!strcmp(mapping, "jeida-18")) {  in panel_lvds_parse_dt()
183 		lvds->bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG;  in panel_lvds_parse_dt()
184 	} else if (!strcmp(mapping, "jeida-24")) {  in panel_lvds_parse_dt()
185 		lvds->bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA;  in panel_lvds_parse_dt()
186 	} else if (!strcmp(mapping, "vesa-24")) {  in panel_lvds_parse_dt()
187 		lvds->bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG;  in panel_lvds_parse_dt()
189 		dev_err(lvds->dev, "%pOF: invalid or missing %s DT property\n",  in panel_lvds_parse_dt()
190 			np, "data-mapping");  in panel_lvds_parse_dt()
191 		return -EINVAL;  in panel_lvds_parse_dt()
194 	lvds->data_mirror = of_property_read_bool(np, "data-mirror");  in panel_lvds_parse_dt()
204 	lvds = devm_kzalloc(&pdev->dev, sizeof(*lvds), GFP_KERNEL);  in panel_lvds_probe()
206 		return -ENOMEM;  in panel_lvds_probe()
208 	lvds->dev = &pdev->dev;  in panel_lvds_probe()
214 	lvds->supply = devm_regulator_get_optional(lvds->dev, "power");  in panel_lvds_probe()
215 	if (IS_ERR(lvds->supply)) {  in panel_lvds_probe()
216 		ret = PTR_ERR(lvds->supply);  in panel_lvds_probe()
218 		if (ret != -ENODEV) {  in panel_lvds_probe()
219 			if (ret != -EPROBE_DEFER)  in panel_lvds_probe()
220 				dev_err(lvds->dev, "failed to request regulator: %d\n",  in panel_lvds_probe()
225 		lvds->supply = NULL;  in panel_lvds_probe()
229 	lvds->enable_gpio = devm_gpiod_get_optional(lvds->dev, "enable",  in panel_lvds_probe()
231 	if (IS_ERR(lvds->enable_gpio)) {  in panel_lvds_probe()
232 		ret = PTR_ERR(lvds->enable_gpio);  in panel_lvds_probe()
233 		dev_err(lvds->dev, "failed to request %s GPIO: %d\n",  in panel_lvds_probe()
238 	lvds->reset_gpio = devm_gpiod_get_optional(lvds->dev, "reset",  in panel_lvds_probe()
240 	if (IS_ERR(lvds->reset_gpio)) {  in panel_lvds_probe()
241 		ret = PTR_ERR(lvds->reset_gpio);  in panel_lvds_probe()
242 		dev_err(lvds->dev, "failed to request %s GPIO: %d\n",  in panel_lvds_probe()
247 	lvds->backlight = devm_of_find_backlight(lvds->dev);  in panel_lvds_probe()
248 	if (IS_ERR(lvds->backlight))  in panel_lvds_probe()
249 		return PTR_ERR(lvds->backlight);  in panel_lvds_probe()
259 	drm_panel_init(&lvds->panel);  in panel_lvds_probe()
260 	lvds->panel.dev = lvds->dev;  in panel_lvds_probe()
261 	lvds->panel.funcs = &panel_lvds_funcs;  in panel_lvds_probe()
263 	ret = drm_panel_add(&lvds->panel);  in panel_lvds_probe()
267 	dev_set_drvdata(lvds->dev, lvds);  in panel_lvds_probe()
273 	struct panel_lvds *lvds = dev_get_drvdata(&pdev->dev);  in panel_lvds_remove()
275 	drm_panel_remove(&lvds->panel);  in panel_lvds_remove()
277 	panel_lvds_disable(&lvds->panel);  in panel_lvds_remove()
283 	{ .compatible = "panel-lvds", },
293 		.name	= "panel-lvds",