drivers/gpu/drm/sun4i/sun8i_vi_layer.h

   1 /*
   2  * Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  */
   9
  10 #ifndef _SUN8I_VI_LAYER_H_
  11 #define _SUN8I_VI_LAYER_H_
  12
  13 #include <drm/drm_plane.h>
  14
  15 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR(base, layer) \
  16                 ((base) + 0x30 * (layer) + 0x0)
  17 #define SUN8I_MIXER_CHAN_VI_LAYER_SIZE(base, layer) \
  18                 ((base) + 0x30 * (layer) + 0x4)
  19 #define SUN8I_MIXER_CHAN_VI_LAYER_COORD(base, layer) \
  20                 ((base) + 0x30 * (layer) + 0x8)
  21 #define SUN8I_MIXER_CHAN_VI_LAYER_PITCH(base, layer, plane) \
  22                 ((base) + 0x30 * (layer) + 0xc + 4 * (plane))
  23 #define SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(base, layer, plane) \
  24                 ((base) + 0x30 * (layer) + 0x18 + 4 * (plane))
  25 #define SUN8I_MIXER_CHAN_VI_OVL_SIZE(base) \
  26                 ((base) + 0xe8)
  27
  28 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN               BIT(0)
  29 /* RGB mode should be set for RGB formats and cleared for YCbCr */
  30 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE         BIT(15)
  31 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET     8
  32 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK       GENMASK(12, 8)
  33
  34 struct sun8i_mixer;
  35
  36 struct sun8i_vi_layer {
  37         struct drm_plane        plane;
  38         struct sun8i_mixer      *mixer;
  39         int                     channel;
  40         int                     overlay;
  41 };
  42
  43 static inline struct sun8i_vi_layer *
  44 plane_to_sun8i_vi_layer(struct drm_plane *plane)
  45 {
  46         return container_of(plane, struct sun8i_vi_layer, plane);
  47 }
  48
  49 struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
  50                                                struct sun8i_mixer *mixer,
  51                                                int index);
  52 #endif /* _SUN8I_VI_LAYER_H_ */