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      1 /*	$NetBSD: panel_fdt.h,v 1.2 2020/12/11 08:23:46 skrll Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2018 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Manuel Bouyer.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * lvds panels driver. From
     34  * linux/Documentation/devicetree/bindings/display/panel/
     35  * Simple RGB panels could be added as well
     36  */
     37 
     38 #include <dev/fdt/fdt_port.h>
     39 #include <dev/fdt/display_timing.h>
     40 
     41 enum panel_type {
     42 	PANEL_LVDS = 1,
     43 	PANEL_DUAL_LVDS,
     44 };
     45 
     46 enum lvds_format {
     47 	LVDS_JEIDA_18,
     48 	LVDS_JEIDA_24,
     49 	LVDS_VESA_24
     50 };
     51 
     52 
     53 struct fdt_panel {
     54 	enum panel_type panel_type;
     55 	int panel_width;
     56 	int panel_height;
     57 	union {
     58 		enum lvds_format panel_lvds_format;
     59 	} format_u;
     60 #define panel_lvds_format format_u.panel_lvds_format
     61 	struct display_timing panel_timing;
     62 };
     63