tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2016 BayLibre, SAS
4 * Author: Neil Armstrong <narmstrong@baylibre.com>
5 */
6
7/* Video Clock */
8
9#ifndef __MESON_VCLK_H
10#define __MESON_VCLK_H
11
12#include <drm/drm_modes.h>
13
14struct meson_drm;
15
16enum {
17 MESON_VCLK_TARGET_CVBS = 0,
18 MESON_VCLK_TARGET_HDMI = 1,
19 MESON_VCLK_TARGET_DMT = 2,
20};
21
22/* 27MHz is the CVBS Pixel Clock */
23#define MESON_VCLK_CVBS (27 * 1000 * 1000)
24
25enum drm_mode_status
26meson_vclk_dmt_supported_freq(struct meson_drm *priv, unsigned long long freq);
27enum drm_mode_status
28meson_vclk_vic_supported_freq(struct meson_drm *priv,
29 unsigned long long phy_freq,
30 unsigned long long vclk_freq);
31
32void meson_vclk_setup(struct meson_drm *priv, unsigned int target,
33 unsigned long long phy_freq, unsigned long long vclk_freq,
34 unsigned long long venc_freq, unsigned long long dac_freq,
35 bool hdmi_use_enci);
36
37#endif /* __MESON_VCLK_H */