xref: /openbmc/linux/drivers/gpu/drm/meson/meson_venc.h (revision 60772e48)
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 /*
20  * Video Encoders
21  * - ENCI : Interlace Video Encoder
22  * - ENCI_DVI : Interlace Video Encoder for DVI/HDMI
23  * - ENCP : Progressive Video Encoder
24  */
25 
26 #ifndef __MESON_VENC_H
27 #define __MESON_VENC_H
28 
29 enum {
30 	MESON_VENC_MODE_NONE = 0,
31 	MESON_VENC_MODE_CVBS_PAL,
32 	MESON_VENC_MODE_CVBS_NTSC,
33 	MESON_VENC_MODE_HDMI,
34 };
35 
36 struct meson_cvbs_enci_mode {
37 	unsigned int mode_tag;
38 	unsigned int hso_begin; /* HSO begin position */
39 	unsigned int hso_end; /* HSO end position */
40 	unsigned int vso_even; /* VSO even line */
41 	unsigned int vso_odd; /* VSO odd line */
42 	unsigned int macv_max_amp; /* Macrovision max amplitude */
43 	unsigned int video_prog_mode;
44 	unsigned int video_mode;
45 	unsigned int sch_adjust;
46 	unsigned int yc_delay;
47 	unsigned int pixel_start;
48 	unsigned int pixel_end;
49 	unsigned int top_field_line_start;
50 	unsigned int top_field_line_end;
51 	unsigned int bottom_field_line_start;
52 	unsigned int bottom_field_line_end;
53 	unsigned int video_saturation;
54 	unsigned int video_contrast;
55 	unsigned int video_brightness;
56 	unsigned int video_hue;
57 	unsigned int analog_sync_adj;
58 };
59 
60 /* HDMI Clock parameters */
61 bool meson_venc_hdmi_supported_vic(int vic);
62 bool meson_venc_hdmi_venc_repeat(int vic);
63 
64 /* CVBS Timings and Parameters */
65 extern struct meson_cvbs_enci_mode meson_cvbs_enci_pal;
66 extern struct meson_cvbs_enci_mode meson_cvbs_enci_ntsc;
67 
68 void meson_venci_cvbs_mode_set(struct meson_drm *priv,
69 			       struct meson_cvbs_enci_mode *mode);
70 void meson_venc_hdmi_mode_set(struct meson_drm *priv, int vic,
71 			      struct drm_display_mode *mode);
72 unsigned int meson_venci_get_field(struct meson_drm *priv);
73 
74 void meson_venc_enable_vsync(struct meson_drm *priv);
75 void meson_venc_disable_vsync(struct meson_drm *priv);
76 
77 void meson_venc_init(struct meson_drm *priv);
78 
79 #endif /* __MESON_VENC_H */
80