1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * generic videomode description 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __LINUX_VIDEOMODE_H 9*4882a593Smuzhiyun #define __LINUX_VIDEOMODE_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/types.h> 12*4882a593Smuzhiyun #include <video/display_timing.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* 15*4882a593Smuzhiyun * Subsystem independent description of a videomode. 16*4882a593Smuzhiyun * Can be generated from struct display_timing. 17*4882a593Smuzhiyun */ 18*4882a593Smuzhiyun struct videomode { 19*4882a593Smuzhiyun unsigned long pixelclock; /* pixelclock in Hz */ 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun u32 hactive; 22*4882a593Smuzhiyun u32 hfront_porch; 23*4882a593Smuzhiyun u32 hback_porch; 24*4882a593Smuzhiyun u32 hsync_len; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun u32 vactive; 27*4882a593Smuzhiyun u32 vfront_porch; 28*4882a593Smuzhiyun u32 vback_porch; 29*4882a593Smuzhiyun u32 vsync_len; 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun enum display_flags flags; /* display flags */ 32*4882a593Smuzhiyun }; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun /** 35*4882a593Smuzhiyun * videomode_from_timing - convert display timing to videomode 36*4882a593Smuzhiyun * @dt: display_timing structure 37*4882a593Smuzhiyun * @vm: return value 38*4882a593Smuzhiyun * 39*4882a593Smuzhiyun * DESCRIPTION: 40*4882a593Smuzhiyun * This function converts a struct display_timing to a struct videomode. 41*4882a593Smuzhiyun */ 42*4882a593Smuzhiyun void videomode_from_timing(const struct display_timing *dt, 43*4882a593Smuzhiyun struct videomode *vm); 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun /** 46*4882a593Smuzhiyun * videomode_from_timings - convert one display timings entry to videomode 47*4882a593Smuzhiyun * @disp: structure with all possible timing entries 48*4882a593Smuzhiyun * @vm: return value 49*4882a593Smuzhiyun * @index: index into the list of display timings in devicetree 50*4882a593Smuzhiyun * 51*4882a593Smuzhiyun * DESCRIPTION: 52*4882a593Smuzhiyun * This function converts one struct display_timing entry to a struct videomode. 53*4882a593Smuzhiyun */ 54*4882a593Smuzhiyun int videomode_from_timings(const struct display_timings *disp, 55*4882a593Smuzhiyun struct videomode *vm, unsigned int index); 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #endif 58