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 unsigned int dmt_flags; /* VESA DMT flags */ 33 unsigned int data_flags; /* video data flags */ 34 }; 35 36 /** 37 * videomode_from_timing - convert display timing to videomode 38 * @disp: structure with all possible timing entries 39 * @vm: return value 40 * @index: index into the list of display timings in devicetree 41 * 42 * DESCRIPTION: 43 * This function converts a struct display_timing to a struct videomode. 44 */ 45 int videomode_from_timing(const struct display_timings *disp, 46 struct videomode *vm, unsigned int index); 47 48 #endif 49