drivers/gpu/drm/meson/meson_venc.h

   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 struct drm_display_mode;
  18
  19 enum {
  20         MESON_VENC_MODE_NONE = 0,
  21         MESON_VENC_MODE_CVBS_PAL,
  22         MESON_VENC_MODE_CVBS_NTSC,
  23         MESON_VENC_MODE_HDMI,
  24 };
  25
  26 struct meson_cvbs_enci_mode {
  27         unsigned int mode_tag;
  28         unsigned int hso_begin; /* HSO begin position */
  29         unsigned int hso_end; /* HSO end position */
  30         unsigned int vso_even; /* VSO even line */
  31         unsigned int vso_odd; /* VSO odd line */
  32         unsigned int macv_max_amp; /* Macrovision max amplitude */
  33         unsigned int video_prog_mode;
  34         unsigned int video_mode;
  35         unsigned int sch_adjust;
  36         unsigned int yc_delay;
  37         unsigned int pixel_start;
  38         unsigned int pixel_end;
  39         unsigned int top_field_line_start;
  40         unsigned int top_field_line_end;
  41         unsigned int bottom_field_line_start;
  42         unsigned int bottom_field_line_end;
  43         unsigned int video_saturation;
  44         unsigned int video_contrast;
  45         unsigned int video_brightness;
  46         unsigned int video_hue;
  47         unsigned int analog_sync_adj;
  48 };
  49
  50 /* HDMI Clock parameters */
  51 enum drm_mode_status
  52 meson_venc_hdmi_supported_mode(const struct drm_display_mode *mode);
  53 bool meson_venc_hdmi_supported_vic(int vic);
  54 bool meson_venc_hdmi_venc_repeat(int vic);
  55
  56 /* CVBS Timings and Parameters */
  57 extern struct meson_cvbs_enci_mode meson_cvbs_enci_pal;
  58 extern struct meson_cvbs_enci_mode meson_cvbs_enci_ntsc;
  59
  60 void meson_venci_cvbs_mode_set(struct meson_drm *priv,
  61                                struct meson_cvbs_enci_mode *mode);
  62 void meson_venc_hdmi_mode_set(struct meson_drm *priv, int vic,
  63                               struct drm_display_mode *mode);
  64 unsigned int meson_venci_get_field(struct meson_drm *priv);
  65
  66 void meson_venc_enable_vsync(struct meson_drm *priv);
  67 void meson_venc_disable_vsync(struct meson_drm *priv);
  68
  69 void meson_venc_init(struct meson_drm *priv);
  70
  71 #endif /* __MESON_VENC_H */