6  * Based on Panel Simple driver by Thierry Reding <treding@nvidia.com>
33 	 * @width: width (in millimeters) of the panel's active display area
34 	 * @height: height (in millimeters) of the panel's active display area
53 static inline struct seiko_panel *to_seiko_panel(struct drm_panel *panel)  in to_seiko_panel()  argument
55 	return container_of(panel, struct seiko_panel, base);  in to_seiko_panel()
58 static int seiko_panel_get_fixed_modes(struct seiko_panel *panel,  in seiko_panel_get_fixed_modes()  argument
64 	if (!panel->desc)  in seiko_panel_get_fixed_modes()
67 	for (i = 0; i < panel->desc->num_timings; i++) {  in seiko_panel_get_fixed_modes()
68 		const struct display_timing *dt = &panel->desc->timings[i];  in seiko_panel_get_fixed_modes()
74 			dev_err(panel->base.dev, "failed to add mode %ux%u\n",  in seiko_panel_get_fixed_modes()
83 		if (panel->desc->num_timings == 1)  in seiko_panel_get_fixed_modes()
90 	for (i = 0; i < panel->desc->num_modes; i++) {  in seiko_panel_get_fixed_modes()
91 		const struct drm_display_mode *m = &panel->desc->modes[i];  in seiko_panel_get_fixed_modes()
95 			dev_err(panel->base.dev, "failed to add mode %ux%u@%u\n",  in seiko_panel_get_fixed_modes()
103 		if (panel->desc->num_modes == 1)  in seiko_panel_get_fixed_modes()
112 	connector->display_info.bpc = panel->desc->bpc;  in seiko_panel_get_fixed_modes()
113 	connector->display_info.width_mm = panel->desc->size.width;  in seiko_panel_get_fixed_modes()
114 	connector->display_info.height_mm = panel->desc->size.height;  in seiko_panel_get_fixed_modes()
115 	if (panel->desc->bus_format)  in seiko_panel_get_fixed_modes()
117 						 &panel->desc->bus_format, 1);  in seiko_panel_get_fixed_modes()
118 	connector->display_info.bus_flags = panel->desc->bus_flags;  in seiko_panel_get_fixed_modes()
123 static int seiko_panel_unprepare(struct drm_panel *panel)  in seiko_panel_unprepare()  argument
125 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_unprepare()
131 	/* Add a 100ms delay as per the panel datasheet */  in seiko_panel_unprepare()
139 static int seiko_panel_prepare(struct drm_panel *panel)  in seiko_panel_prepare()  argument
141 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_prepare()
146 		dev_err(panel->dev, "failed to enable dvdd: %d\n", err);  in seiko_panel_prepare()
150 	/* Add a 100ms delay as per the panel datasheet */  in seiko_panel_prepare()
155 		dev_err(panel->dev, "failed to enable avdd: %d\n", err);  in seiko_panel_prepare()
168 static int seiko_panel_get_modes(struct drm_panel *panel,  in seiko_panel_get_modes()  argument
171 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_get_modes()
173 	/* add hard-coded panel modes */  in seiko_panel_get_modes()
177 static int seiko_panel_get_timings(struct drm_panel *panel,  in seiko_panel_get_timings()  argument
181 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_get_timings()
204 	struct seiko_panel *panel;  in seiko_panel_probe()  local
207 	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);  in seiko_panel_probe()
208 	if (!panel)  in seiko_panel_probe()
211 	panel->desc = desc;  in seiko_panel_probe()
213 	panel->dvdd = devm_regulator_get(dev, "dvdd");  in seiko_panel_probe()
214 	if (IS_ERR(panel->dvdd))  in seiko_panel_probe()
215 		return PTR_ERR(panel->dvdd);  in seiko_panel_probe()
217 	panel->avdd = devm_regulator_get(dev, "avdd");  in seiko_panel_probe()
218 	if (IS_ERR(panel->avdd))  in seiko_panel_probe()
219 		return PTR_ERR(panel->avdd);  in seiko_panel_probe()
221 	panel->enable_gpio = devm_gpiod_get_optional(dev, "enable",  in seiko_panel_probe()
223 	if (IS_ERR(panel->enable_gpio))  in seiko_panel_probe()
224 		return dev_err_probe(dev, PTR_ERR(panel->enable_gpio),  in seiko_panel_probe()
227 	drm_panel_init(&panel->base, dev, &seiko_panel_funcs,  in seiko_panel_probe()
230 	err = drm_panel_of_backlight(&panel->base);  in seiko_panel_probe()
234 	drm_panel_add(&panel->base);  in seiko_panel_probe()
236 	dev_set_drvdata(dev, panel);  in seiko_panel_probe()
243 	struct seiko_panel *panel = platform_get_drvdata(pdev);  in seiko_panel_remove()  local
245 	drm_panel_remove(&panel->base);  in seiko_panel_remove()
305 MODULE_DESCRIPTION("Seiko 43WVF1G panel driver");