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
55 static inline struct seiko_panel *to_seiko_panel(struct drm_panel *panel)  in to_seiko_panel()  argument
57 	return container_of(panel, struct seiko_panel, base);  in to_seiko_panel()
60 static int seiko_panel_get_fixed_modes(struct seiko_panel *panel,  in seiko_panel_get_fixed_modes()  argument
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()
76 			dev_err(panel->base.dev, "failed to add mode %ux%u\n",  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()
97 			dev_err(panel->base.dev, "failed to add mode %ux%u@%u\n",  in seiko_panel_get_fixed_modes()
105 		if (panel->desc->num_modes == 1)  in seiko_panel_get_fixed_modes()
114 	connector->display_info.bpc = panel->desc->bpc;  in seiko_panel_get_fixed_modes()
115 	connector->display_info.width_mm = panel->desc->size.width;  in seiko_panel_get_fixed_modes()
116 	connector->display_info.height_mm = panel->desc->size.height;  in seiko_panel_get_fixed_modes()
117 	if (panel->desc->bus_format)  in seiko_panel_get_fixed_modes()
119 						 &panel->desc->bus_format, 1);  in seiko_panel_get_fixed_modes()
120 	connector->display_info.bus_flags = panel->desc->bus_flags;  in seiko_panel_get_fixed_modes()
125 static int seiko_panel_disable(struct drm_panel *panel)  in seiko_panel_disable()  argument
127 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_disable()
137 static int seiko_panel_unprepare(struct drm_panel *panel)  in seiko_panel_unprepare()  argument
139 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_unprepare()
148 	/* Add a 100ms delay as per the panel datasheet */  in seiko_panel_unprepare()
158 static int seiko_panel_prepare(struct drm_panel *panel)  in seiko_panel_prepare()  argument
160 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_prepare()
168 		dev_err(panel->dev, "failed to enable dvdd: %d\n", err);  in seiko_panel_prepare()
172 	/* Add a 100ms delay as per the panel datasheet */  in seiko_panel_prepare()
177 		dev_err(panel->dev, "failed to enable avdd: %d\n", err);  in seiko_panel_prepare()
192 static int seiko_panel_enable(struct drm_panel *panel)  in seiko_panel_enable()  argument
194 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_enable()
204 static int seiko_panel_get_modes(struct drm_panel *panel,  in seiko_panel_get_modes()  argument
207 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_get_modes()
209 	/* add hard-coded panel modes */  in seiko_panel_get_modes()
213 static int seiko_panel_get_timings(struct drm_panel *panel,  in seiko_panel_get_timings()  argument
217 	struct seiko_panel *p = to_seiko_panel(panel);  in seiko_panel_get_timings()
242 	struct seiko_panel *panel;  in seiko_panel_probe()  local
245 	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);  in seiko_panel_probe()
246 	if (!panel)  in seiko_panel_probe()
249 	panel->enabled = false;  in seiko_panel_probe()
250 	panel->prepared = false;  in seiko_panel_probe()
251 	panel->desc = desc;  in seiko_panel_probe()
253 	panel->dvdd = devm_regulator_get(dev, "dvdd");  in seiko_panel_probe()
254 	if (IS_ERR(panel->dvdd))  in seiko_panel_probe()
255 		return PTR_ERR(panel->dvdd);  in seiko_panel_probe()
257 	panel->avdd = devm_regulator_get(dev, "avdd");  in seiko_panel_probe()
258 	if (IS_ERR(panel->avdd))  in seiko_panel_probe()
259 		return PTR_ERR(panel->avdd);  in seiko_panel_probe()
261 	panel->enable_gpio = devm_gpiod_get_optional(dev, "enable",  in seiko_panel_probe()
263 	if (IS_ERR(panel->enable_gpio))  in seiko_panel_probe()
264 		return dev_err_probe(dev, PTR_ERR(panel->enable_gpio),  in seiko_panel_probe()
267 	drm_panel_init(&panel->base, dev, &seiko_panel_funcs,  in seiko_panel_probe()
270 	err = drm_panel_of_backlight(&panel->base);  in seiko_panel_probe()
274 	drm_panel_add(&panel->base);  in seiko_panel_probe()
276 	dev_set_drvdata(dev, panel);  in seiko_panel_probe()
283 	struct seiko_panel *panel = platform_get_drvdata(pdev);  in seiko_panel_remove()  local
285 	drm_panel_remove(&panel->base);  in seiko_panel_remove()
286 	drm_panel_disable(&panel->base);  in seiko_panel_remove()
291 	struct seiko_panel *panel = platform_get_drvdata(pdev);  in seiko_panel_shutdown()  local
293 	drm_panel_disable(&panel->base);  in seiko_panel_shutdown()
354 MODULE_DESCRIPTION("Seiko 43WVF1G panel driver");