tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 MESON_VCLK_TARGET_DMT = 2,
28};
29
30/* 27MHz is the CVBS Pixel Clock */
31#define MESON_VCLK_CVBS 27000
32
33enum drm_mode_status
34meson_vclk_dmt_supported_freq(struct meson_drm *priv, unsigned int freq);
35enum drm_mode_status
36meson_vclk_vic_supported_freq(unsigned int freq);
37
38void meson_vclk_setup(struct meson_drm *priv, unsigned int target,
39 unsigned int vclk_freq, unsigned int venc_freq,
40 unsigned int dac_freq, bool hdmi_use_enci);
41
42#endif /* __MESON_VCLK_H */