18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * generic display timing functions 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (c) 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci#include <linux/errno.h> 98c2ecf20Sopenharmony_ci#include <linux/export.h> 108c2ecf20Sopenharmony_ci#include <video/display_timing.h> 118c2ecf20Sopenharmony_ci#include <video/videomode.h> 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_civoid videomode_from_timing(const struct display_timing *dt, 148c2ecf20Sopenharmony_ci struct videomode *vm) 158c2ecf20Sopenharmony_ci{ 168c2ecf20Sopenharmony_ci vm->pixelclock = dt->pixelclock.typ; 178c2ecf20Sopenharmony_ci vm->hactive = dt->hactive.typ; 188c2ecf20Sopenharmony_ci vm->hfront_porch = dt->hfront_porch.typ; 198c2ecf20Sopenharmony_ci vm->hback_porch = dt->hback_porch.typ; 208c2ecf20Sopenharmony_ci vm->hsync_len = dt->hsync_len.typ; 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci vm->vactive = dt->vactive.typ; 238c2ecf20Sopenharmony_ci vm->vfront_porch = dt->vfront_porch.typ; 248c2ecf20Sopenharmony_ci vm->vback_porch = dt->vback_porch.typ; 258c2ecf20Sopenharmony_ci vm->vsync_len = dt->vsync_len.typ; 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci vm->flags = dt->flags; 288c2ecf20Sopenharmony_ci} 298c2ecf20Sopenharmony_ciEXPORT_SYMBOL_GPL(videomode_from_timing); 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ciint videomode_from_timings(const struct display_timings *disp, 328c2ecf20Sopenharmony_ci struct videomode *vm, unsigned int index) 338c2ecf20Sopenharmony_ci{ 348c2ecf20Sopenharmony_ci struct display_timing *dt; 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ci dt = display_timings_get(disp, index); 378c2ecf20Sopenharmony_ci if (!dt) 388c2ecf20Sopenharmony_ci return -EINVAL; 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_ci videomode_from_timing(dt, vm); 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_ci return 0; 438c2ecf20Sopenharmony_ci} 448c2ecf20Sopenharmony_ciEXPORT_SYMBOL_GPL(videomode_from_timings); 45