LXR linux/drivers/gpu/drm/meson/meson

   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
  17struct drm_display_mode;
  18
  19enum {
  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
  26struct 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 */
  51enum drm_mode_status
  52meson_venc_hdmi_supported_mode(const struct drm_display_mode *mode);
  53bool meson_venc_hdmi_supported_vic(int vic);
  54bool meson_venc_hdmi_venc_repeat(int vic);
  55
  56/* CVBS Timings and Parameters */
  57extern struct meson_cvbs_enci_mode meson_cvbs_enci_pal;
  58extern struct meson_cvbs_enci_mode meson_cvbs_enci_ntsc;
  59
  60void meson_venci_cvbs_mode_set(struct meson_drm *priv,
  61                               struct meson_cvbs_enci_mode *mode);
  62void meson_venc_hdmi_mode_set(struct meson_drm *priv, int vic,
  63                              unsigned int ycrcb_map,
  64                              bool yuv420_mode,
  65                              const struct drm_display_mode *mode);
  66unsigned int meson_venci_get_field(struct meson_drm *priv);
  67
  68void meson_venc_enable_vsync(struct meson_drm *priv);
  69void meson_venc_disable_vsync(struct meson_drm *priv);
  70
  71void meson_venc_init(struct meson_drm *priv);
  72
  73#endif /* __MESON_VENC_H */
  74