1 /* 2 * Copyright (C) 2016 BayLibre, SAS 3 * Author: Neil Armstrong <narmstrong@baylibre.com> 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License as 7 * published by the Free Software Foundation; either version 2 of the 8 * License, or (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 /* Video Clock */ 20 21 #ifndef __MESON_VCLK_H 22 #define __MESON_VCLK_H 23 24 enum { 25 MESON_VCLK_TARGET_CVBS = 0, 26 MESON_VCLK_TARGET_HDMI = 1, 27 MESON_VCLK_TARGET_DMT = 2, 28 }; 29 30 /* 27MHz is the CVBS Pixel Clock */ 31 #define MESON_VCLK_CVBS 27000 32 33 enum drm_mode_status 34 meson_vclk_dmt_supported_freq(struct meson_drm *priv, unsigned int freq); 35 36 void meson_vclk_setup(struct meson_drm *priv, unsigned int target, 37 unsigned int vclk_freq, unsigned int venc_freq, 38 unsigned int dac_freq, bool hdmi_use_enci); 39 40 #endif /* __MESON_VCLK_H */ 41