xref: /openbmc/linux/drivers/gpu/drm/meson/meson_venc.h (revision 4f727ece)
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 /*
8  * Video Encoders
9  * - ENCI : Interlace Video Encoder
10  * - ENCI_DVI : Interlace Video Encoder for DVI/HDMI
11  * - ENCP : Progressive Video Encoder
12  */
13 
14 #ifndef __MESON_VENC_H
15 #define __MESON_VENC_H
16 
17 enum {
18 	MESON_VENC_MODE_NONE = 0,
19 	MESON_VENC_MODE_CVBS_PAL,
20 	MESON_VENC_MODE_CVBS_NTSC,
21 	MESON_VENC_MODE_HDMI,
22 };
23 
24 struct meson_cvbs_enci_mode {
25 	unsigned int mode_tag;
26 	unsigned int hso_begin; /* HSO begin position */
27 	unsigned int hso_end; /* HSO end position */
28 	unsigned int vso_even; /* VSO even line */
29 	unsigned int vso_odd; /* VSO odd line */
30 	unsigned int macv_max_amp; /* Macrovision max amplitude */
31 	unsigned int video_prog_mode;
32 	unsigned int video_mode;
33 	unsigned int sch_adjust;
34 	unsigned int yc_delay;
35 	unsigned int pixel_start;
36 	unsigned int pixel_end;
37 	unsigned int top_field_line_start;
38 	unsigned int top_field_line_end;
39 	unsigned int bottom_field_line_start;
40 	unsigned int bottom_field_line_end;
41 	unsigned int video_saturation;
42 	unsigned int video_contrast;
43 	unsigned int video_brightness;
44 	unsigned int video_hue;
45 	unsigned int analog_sync_adj;
46 };
47 
48 /* HDMI Clock parameters */
49 enum drm_mode_status
50 meson_venc_hdmi_supported_mode(const struct drm_display_mode *mode);
51 bool meson_venc_hdmi_supported_vic(int vic);
52 bool meson_venc_hdmi_venc_repeat(int vic);
53 
54 /* CVBS Timings and Parameters */
55 extern struct meson_cvbs_enci_mode meson_cvbs_enci_pal;
56 extern struct meson_cvbs_enci_mode meson_cvbs_enci_ntsc;
57 
58 void meson_venci_cvbs_mode_set(struct meson_drm *priv,
59 			       struct meson_cvbs_enci_mode *mode);
60 void meson_venc_hdmi_mode_set(struct meson_drm *priv, int vic,
61 			      struct drm_display_mode *mode);
62 unsigned int meson_venci_get_field(struct meson_drm *priv);
63 
64 void meson_venc_enable_vsync(struct meson_drm *priv);
65 void meson_venc_disable_vsync(struct meson_drm *priv);
66 
67 void meson_venc_init(struct meson_drm *priv);
68 
69 #endif /* __MESON_VENC_H */
70