6  * Based on Panel Simple driver by Thierry Reding <treding@nvidia.com>
32 	 * @width: width (in millimeters) of the panel's active display area
33 	 * @height: height (in millimeters) of the panel's active display area
54 static inline struct seiko_panel *to_seiko_panel(struct drm_panel *panel)  in to_seiko_panel()  argument
56 	return container_of(panel, struct seiko_panel, base);  in to_seiko_panel()
59 static int seiko_panel_get_fixed_modes(struct seiko_panel *panel)  in seiko_panel_get_fixed_modes()  argument
61 	struct drm_connector *connector = panel->base.connector;  in seiko_panel_get_fixed_modes()
62 	struct drm_device *drm = panel->base.drm;  in seiko_panel_get_fixed_modes()
66 	if (!panel->desc)  in seiko_panel_get_fixed_modes()
69 	for (i = 0; i < panel->desc->num_timings; i++) {  in seiko_panel_get_fixed_modes()
70 		const struct display_timing *dt = &panel->desc->timings[i];  in seiko_panel_get_fixed_modes()
85 		if (panel->desc->num_timings == 1)  in seiko_panel_get_fixed_modes()
92 	for (i = 0; i < panel->desc->num_modes; i++) {  in seiko_panel_get_fixed_modes()
93 		const struct drm_display_mode *m = &panel->desc->modes[i];  in seiko_panel_get_fixed_modes()
104 		if (panel->desc->num_modes == 1)  in seiko_panel_get_fixed_modes()
113 	connector->display_info.bpc = panel->desc->bpc;  in seiko_panel_get_fixed_modes()
114 	connector->display_info.width_mm = panel->desc->size.width;  in seiko_panel_get_fixed_modes()
115 	connector->display_info.height_mm = panel->desc->size.height;  in seiko_panel_get_fixed_modes()
116 	if (panel->desc->bus_format)  in seiko_panel_get_fixed_modes()
118 						 &panel->desc->bus_format, 1);  in seiko_panel_get_fixed_modes()
119 	connector->display_info.bus_flags = panel->desc->bus_flags;  in seiko_panel_get_fixed_modes()
124 static int seiko_panel_disable(struct drm_panel *panel)  in seiko_panel_disable()  argument
126 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_disable()
142 static int seiko_panel_unprepare(struct drm_panel *panel)  in seiko_panel_unprepare()  argument
144 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_unprepare()
151 	/* Add a 100ms delay as per the panel datasheet */  in seiko_panel_unprepare()
161 static int seiko_panel_prepare(struct drm_panel *panel)  in seiko_panel_prepare()  argument
163 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_prepare()
171 		dev_err(panel->dev, "failed to enable dvdd: %d\n", err);  in seiko_panel_prepare()
175 	/* Add a 100ms delay as per the panel datasheet */  in seiko_panel_prepare()
180 		dev_err(panel->dev, "failed to enable avdd: %d\n", err);  in seiko_panel_prepare()
193 static int seiko_panel_enable(struct drm_panel *panel)  in seiko_panel_enable()  argument
195 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_enable()
211 static int seiko_panel_get_modes(struct drm_panel *panel)  in seiko_panel_get_modes()  argument
213 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_get_modes()
215 	/* add hard-coded panel modes */  in seiko_panel_get_modes()
219 static int seiko_panel_get_timings(struct drm_panel *panel,  in seiko_panel_get_timings()  argument
223 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_get_timings()
249 	struct seiko_panel *panel;  in seiko_panel_probe()  local
252 	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);  in seiko_panel_probe()
253 	if (!panel)  in seiko_panel_probe()
256 	panel->enabled = false;  in seiko_panel_probe()
257 	panel->prepared = false;  in seiko_panel_probe()
258 	panel->desc = desc;  in seiko_panel_probe()
260 	panel->dvdd = devm_regulator_get(dev, "dvdd");  in seiko_panel_probe()
261 	if (IS_ERR(panel->dvdd))  in seiko_panel_probe()
262 		return PTR_ERR(panel->dvdd);  in seiko_panel_probe()
264 	panel->avdd = devm_regulator_get(dev, "avdd");  in seiko_panel_probe()
265 	if (IS_ERR(panel->avdd))  in seiko_panel_probe()
266 		return PTR_ERR(panel->avdd);  in seiko_panel_probe()
270 		panel->backlight = of_find_backlight_by_node(backlight);  in seiko_panel_probe()
273 		if (!panel->backlight)  in seiko_panel_probe()
277 	drm_panel_init(&panel->base);  in seiko_panel_probe()
278 	panel->base.dev = dev;  in seiko_panel_probe()
279 	panel->base.funcs = &seiko_panel_funcs;  in seiko_panel_probe()
281 	err = drm_panel_add(&panel->base);  in seiko_panel_probe()
285 	dev_set_drvdata(dev, panel);  in seiko_panel_probe()
292 	struct seiko_panel *panel = dev_get_drvdata(&pdev->dev);  in seiko_panel_remove()  local
294 	drm_panel_remove(&panel->base);  in seiko_panel_remove()
296 	seiko_panel_disable(&panel->base);  in seiko_panel_remove()
298 	if (panel->backlight)  in seiko_panel_remove()
299 		put_device(&panel->backlight->dev);  in seiko_panel_remove()
306 	struct seiko_panel *panel = dev_get_drvdata(&pdev->dev);  in seiko_panel_shutdown()  local
308 	seiko_panel_disable(&panel->base);  in seiko_panel_shutdown()
369 MODULE_DESCRIPTION("Seiko 43WVF1G panel driver");