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

   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
  29enum {
  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
  36struct 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 */
  61bool meson_venc_hdmi_supported_vic(int vic);
  62bool meson_venc_hdmi_venc_repeat(int vic);
  63
  64/* CVBS Timings and Parameters */
  65extern struct meson_cvbs_enci_mode meson_cvbs_enci_pal;
  66extern struct meson_cvbs_enci_mode meson_cvbs_enci_ntsc;
  67
  68void meson_venci_cvbs_mode_set(struct meson_drm *priv,
  69                               struct meson_cvbs_enci_mode *mode);
  70void meson_venc_hdmi_mode_set(struct meson_drm *priv, int vic,
  71                              struct drm_display_mode *mode);
  72unsigned int meson_venci_get_field(struct meson_drm *priv);
  73
  74void meson_venc_enable_vsync(struct meson_drm *priv);
  75void meson_venc_disable_vsync(struct meson_drm *priv);
  76
  77void meson_venc_init(struct meson_drm *priv);
  78
  79#endif /* __MESON_VENC_H */
  80