File: meson_vclk.h

package info (click to toggle)
linux 5.10.28-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,142,388 kB
  • sloc: ansic: 19,494,753; asm: 263,677; sh: 73,927; makefile: 44,698; perl: 34,644; python: 32,383; cpp: 6,070; yacc: 4,755; lex: 2,742; awk: 1,214; ruby: 25; sed: 5
file content (36 lines) | stat: -rw-r--r-- 886 bytes parent folder | download | duplicates (15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2016 BayLibre, SAS
 * Author: Neil Armstrong <narmstrong@baylibre.com>
 */

/* Video Clock */

#ifndef __MESON_VCLK_H
#define __MESON_VCLK_H

#include <drm/drm_modes.h>

struct meson_drm;

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);
enum drm_mode_status
meson_vclk_vic_supported_freq(struct meson_drm *priv, unsigned int phy_freq,
			      unsigned int vclk_freq);

void meson_vclk_setup(struct meson_drm *priv, unsigned int target,
		      unsigned int phy_freq, unsigned int vclk_freq,
		      unsigned int venc_freq, unsigned int dac_freq,
		      bool hdmi_use_enci);

#endif /* __MESON_VCLK_H */