1 /* 2 * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de> 3 * 4 * generic videomode description 5 * 6 * This file is released under the GPLv2 7 */ 8 9 #ifndef __LINUX_VIDEOMODE_H 10 #define __LINUX_VIDEOMODE_H 11 12 #include <linux/types.h> 13 #include <video/display_timing.h> 14 15 /* 16 * Subsystem independent description of a videomode. 17 * Can be generated from struct display_timing. 18 */ 19 struct videomode { 20 unsigned long pixelclock; /* pixelclock in Hz */ 21 22 u32 hactive; 23 u32 hfront_porch; 24 u32 hback_porch; 25 u32 hsync_len; 26 27 u32 vactive; 28 u32 vfront_porch; 29 u32 vback_porch; 30 u32 vsync_len; 31 32 enum display_flags flags; /* display flags */ 33 }; 34 35 /** 36 * videomode_from_timing - convert display timing to videomode 37 * @dt: display_timing structure 38 * @vm: return value 39 * 40 * DESCRIPTION: 41 * This function converts a struct display_timing to a struct videomode. 42 */ 43 void videomode_from_timing(const struct display_timing *dt, 44 struct videomode *vm); 45 46 /** 47 * videomode_from_timings - convert one display timings entry to videomode 48 * @disp: structure with all possible timing entries 49 * @vm: return value 50 * @index: index into the list of display timings in devicetree 51 * 52 * DESCRIPTION: 53 * This function converts one struct display_timing entry to a struct videomode. 54 */ 55 int videomode_from_timings(const struct display_timings *disp, 56 struct videomode *vm, unsigned int index); 57 58 #endif 59