drivers/gpu/drm/sun4i/sun8i_ui_layer.h

   1 /*
   2  * Copyright (C) Icenowy Zheng <[email protected]>
   3  *
   4  * Based on sun4i_layer.h, which is:
   5  *   Copyright (C) 2015 Free Electrons
   6  *   Copyright (C) 2015 NextThing Co
   7  *
   8  *   Maxime Ripard <[email protected]>
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  */
  15
  16 #ifndef _SUN8I_UI_LAYER_H_
  17 #define _SUN8I_UI_LAYER_H_
  18
  19 #include <drm/drm_plane.h>
  20
  21 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR(base, layer) \
  22                         ((base) + 0x20 * (layer) + 0x0)
  23 #define SUN8I_MIXER_CHAN_UI_LAYER_SIZE(base, layer) \
  24                         ((base) + 0x20 * (layer) + 0x4)
  25 #define SUN8I_MIXER_CHAN_UI_LAYER_COORD(base, layer) \
  26                         ((base) + 0x20 * (layer) + 0x8)
  27 #define SUN8I_MIXER_CHAN_UI_LAYER_PITCH(base, layer) \
  28                         ((base) + 0x20 * (layer) + 0xc)
  29 #define SUN8I_MIXER_CHAN_UI_LAYER_TOP_LADDR(base, layer) \
  30                         ((base) + 0x20 * (layer) + 0x10)
  31 #define SUN8I_MIXER_CHAN_UI_LAYER_BOT_LADDR(base, layer) \
  32                         ((base) + 0x20 * (layer) + 0x14)
  33 #define SUN8I_MIXER_CHAN_UI_LAYER_FCOLOR(base, layer) \
  34                         ((base) + 0x20 * (layer) + 0x18)
  35 #define SUN8I_MIXER_CHAN_UI_TOP_HADDR(base) \
  36                         ((base) + 0x80)
  37 #define SUN8I_MIXER_CHAN_UI_BOT_HADDR(base) \
  38                         ((base) + 0x84)
  39 #define SUN8I_MIXER_CHAN_UI_OVL_SIZE(base) \
  40                         ((base) + 0x88)
  41
  42 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN               BIT(0)
  43 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_MASK  GENMASK(2, 1)
  44 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK       GENMASK(12, 8)
  45 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET     8
  46 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK       GENMASK(31, 24)
  47
  48 struct sun8i_mixer;
  49
  50 struct sun8i_ui_layer {
  51         struct drm_plane        plane;
  52         struct sun8i_mixer      *mixer;
  53         int                     channel;
  54         int                     overlay;
  55 };
  56
  57 static inline struct sun8i_ui_layer *
  58 plane_to_sun8i_ui_layer(struct drm_plane *plane)
  59 {
  60         return container_of(plane, struct sun8i_ui_layer, plane);
  61 }
  62
  63 struct sun8i_ui_layer *sun8i_ui_layer_init_one(struct drm_device *drm,
  64                                                struct sun8i_mixer *mixer,
  65                                                int index);
  66 #endif /* _SUN8I_UI_LAYER_H_ */