1 // SPDX-License-Identifier: GPL-2.0
14  * - The IB1 is a passive board where the display connector defines a
19  * - The IB2 is a more complex board intended for GSM phone development
66  * struct versatile_panel_type - lookup struct for the supported panels
100  * struct versatile_panel - state container for the Versatile panels
127 	 * Sanyo TM38QV67A02A - 3.8 inch QVGA (320x240) Color TFT
128 	 * found on the Versatile AB IB1 connector or the Versatile
129 	 * PB adaptor board connector.
150 	 * Sharp LQ084V1DG21 640x480 VGA Color TFT module
151 	 * found on the Versatile AB IB1 connector or the Versatile
152 	 * PB adaptor board connector.
173 	 * Epson L2F50113T00 - 2.2 inch QCIF 176x220 Color TFT
174 	 * found on the Versatile PB adaptor board connector.
232 	if (vpanel->ib2_map) {  in versatile_panel_disable()
233 		dev_dbg(vpanel->dev, "disable IB2 display\n");  in versatile_panel_disable()
234 		regmap_update_bits(vpanel->ib2_map,  in versatile_panel_disable()
248 	if (vpanel->ib2_map) {  in versatile_panel_enable()
249 		dev_dbg(vpanel->dev, "enable IB2 display\n");  in versatile_panel_enable()
250 		regmap_update_bits(vpanel->ib2_map,  in versatile_panel_enable()
260 				     struct drm_connector *connector)  in versatile_panel_get_modes()  argument
265 	connector->display_info.width_mm = vpanel->panel_type->width_mm;  in versatile_panel_get_modes()
266 	connector->display_info.height_mm = vpanel->panel_type->height_mm;  in versatile_panel_get_modes()
267 	connector->display_info.bus_flags = vpanel->panel_type->bus_flags;  in versatile_panel_get_modes()
269 	mode = drm_mode_duplicate(connector->dev, &vpanel->panel_type->mode);  in versatile_panel_get_modes()
271 		return -ENOMEM;  in versatile_panel_get_modes()
273 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;  in versatile_panel_get_modes()
275 	mode->width_mm = vpanel->panel_type->width_mm;  in versatile_panel_get_modes()
276 	mode->height_mm = vpanel->panel_type->height_mm;  in versatile_panel_get_modes()
277 	drm_mode_probed_add(connector, mode);  in versatile_panel_get_modes()
290 	struct device *dev = &pdev->dev;  in versatile_panel_probe()
298 	parent = dev->parent;  in versatile_panel_probe()
301 		return -ENODEV;  in versatile_panel_probe()
303 	map = syscon_node_to_regmap(parent->of_node);  in versatile_panel_probe()
311 		return -ENOMEM;  in versatile_panel_probe()
325 		if (pt->magic == val) {  in versatile_panel_probe()
326 			vpanel->panel_type = pt;  in versatile_panel_probe()
331 	/* No panel detected or VGA, let's leave this show */  in versatile_panel_probe()
334 		return -ENODEV;  in versatile_panel_probe()
337 	dev_info(dev, "detected: %s\n", vpanel->panel_type->name);  in versatile_panel_probe()
338 	vpanel->dev = dev;  in versatile_panel_probe()
339 	vpanel->map = map;  in versatile_panel_probe()
342 	if (vpanel->panel_type->ib2) {  in versatile_panel_probe()
343 		vpanel->ib2_map = syscon_regmap_lookup_by_compatible(  in versatile_panel_probe()
344 			"arm,versatile-ib2-syscon");  in versatile_panel_probe()
345 		if (IS_ERR(vpanel->ib2_map))  in versatile_panel_probe()
346 			vpanel->ib2_map = NULL;  in versatile_panel_probe()
351 	drm_panel_init(&vpanel->panel, dev, &versatile_panel_drm_funcs,  in versatile_panel_probe()
354 	drm_panel_add(&vpanel->panel);  in versatile_panel_probe()
360 	{ .compatible = "arm,versatile-tft-panel", },
368 		.name	= "versatile-tft-panel",