diff options
Diffstat (limited to 'drivers/gpu/drm/meson/meson_vclk.h')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_vclk.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/meson/meson_vclk.h b/drivers/gpu/drm/meson/meson_vclk.h new file mode 100644 index 000000000..869fa3a30 --- /dev/null +++ b/drivers/gpu/drm/meson/meson_vclk.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2016 BayLibre, SAS + * Author: Neil Armstrong <narmstrong@baylibre.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +/* Video Clock */ + +#ifndef __MESON_VCLK_H +#define __MESON_VCLK_H + +enum { + MESON_VCLK_TARGET_CVBS = 0, + MESON_VCLK_TARGET_HDMI = 1, + MESON_VCLK_TARGET_DMT = 2, +}; + +/* 27MHz is the CVBS Pixel Clock */ +#define MESON_VCLK_CVBS 27000 + +enum drm_mode_status +meson_vclk_dmt_supported_freq(struct meson_drm *priv, unsigned int freq); + +void meson_vclk_setup(struct meson_drm *priv, unsigned int target, + unsigned int vclk_freq, unsigned int venc_freq, + unsigned int dac_freq, bool hdmi_use_enci); + +#endif /* __MESON_VCLK_H */ |