LXR linux/drivers/gpu/drm/meson/meson

   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
  24enum {
  25        MESON_VCLK_TARGET_CVBS = 0,
  26        MESON_VCLK_TARGET_HDMI = 1,
  27};
  28
  29/* 27MHz is the CVBS Pixel Clock */
  30#define MESON_VCLK_CVBS                 27000
  31
  32void meson_vclk_setup(struct meson_drm *priv, unsigned int target,
  33                      unsigned int vclk_freq, unsigned int venc_freq,
  34                      unsigned int dac_freq, bool hdmi_use_enci);
  35
  36#endif /* __MESON_VCLK_H */
  37