drivers/gpu/drm/sun4i/sun8i_ui_layer.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (C) Icenowy Zheng <icenowy@aosc.io>
   4  *
   5  * Based on sun4i_layer.h, which is:
   6  *   Copyright (C) 2015 Free Electrons
   7  *   Copyright (C) 2015 NextThing Co
   8  *
   9  *   Maxime Ripard <maxime.ripard@free-electrons.com>
  10  */
  11
  12 #ifndef _SUN8I_UI_LAYER_H_
  13 #define _SUN8I_UI_LAYER_H_
  14
  15 #include <drm/drm_plane.h>
  16
  17 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR(base, layer) \
  18                         ((base) + 0x20 * (layer) + 0x0)
  19 #define SUN8I_MIXER_CHAN_UI_LAYER_SIZE(base, layer) \
  20                         ((base) + 0x20 * (layer) + 0x4)
  21 #define SUN8I_MIXER_CHAN_UI_LAYER_COORD(base, layer) \
  22                         ((base) + 0x20 * (layer) + 0x8)
  23 #define SUN8I_MIXER_CHAN_UI_LAYER_PITCH(base, layer) \
  24                         ((base) + 0x20 * (layer) + 0xc)
  25 #define SUN8I_MIXER_CHAN_UI_LAYER_TOP_LADDR(base, layer) \
  26                         ((base) + 0x20 * (layer) + 0x10)
  27 #define SUN8I_MIXER_CHAN_UI_LAYER_BOT_LADDR(base, layer) \
  28                         ((base) + 0x20 * (layer) + 0x14)
  29 #define SUN8I_MIXER_CHAN_UI_LAYER_FCOLOR(base, layer) \
  30                         ((base) + 0x20 * (layer) + 0x18)
  31 #define SUN8I_MIXER_CHAN_UI_TOP_HADDR(base) \
  32                         ((base) + 0x80)
  33 #define SUN8I_MIXER_CHAN_UI_BOT_HADDR(base) \
  34                         ((base) + 0x84)
  35 #define SUN8I_MIXER_CHAN_UI_OVL_SIZE(base) \
  36                         ((base) + 0x88)
  37
  38 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN               BIT(0)
  39 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_MASK  GENMASK(2, 1)
  40 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK       GENMASK(12, 8)
  41 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET     8
  42 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK       GENMASK(31, 24)
  43 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA(x)         ((x) << 24)
  44
  45 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_PIXEL         ((0) << 1)
  46 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_LAYER         ((1) << 1)
  47 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_COMBINED      ((2) << 1)
  48
  49 struct sun8i_mixer;
  50
  51 struct sun8i_ui_layer {
  52         struct drm_plane        plane;
  53         struct sun8i_mixer      *mixer;
  54         int                     channel;
  55         int                     overlay;
  56 };
  57
  58 static inline struct sun8i_ui_layer *
  59 plane_to_sun8i_ui_layer(struct drm_plane *plane)
  60 {
  61         return container_of(plane, struct sun8i_ui_layer, plane);
  62 }
  63
  64 struct sun8i_ui_layer *sun8i_ui_layer_init_one(struct drm_device *drm,
  65                                                struct sun8i_mixer *mixer,
  66                                                int index);
  67 #endif /* _SUN8I_UI_LAYER_H_ */