drivers/gpu/drm/sun4i/sun8i_csc.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_CSC_H_
  11 #define _SUN8I_CSC_H_
  12
  13 struct sun8i_mixer;
  14
  15 /* VI channel CSC units offsets */
  16 #define CCSC00_OFFSET 0xAA050
  17 #define CCSC01_OFFSET 0xFA000
  18 #define CCSC10_OFFSET 0xA0000
  19 #define CCSC11_OFFSET 0xF0000
  20
  21 #define SUN8I_CSC_CTRL(base)            (base + 0x0)
  22 #define SUN8I_CSC_COEFF(base, i)        (base + 0x10 + 4 * i)
  23
  24 #define SUN8I_CSC_CTRL_EN               BIT(0)
  25
  26 enum sun8i_csc_mode {
  27         SUN8I_CSC_MODE_OFF,
  28         SUN8I_CSC_MODE_YUV2RGB,
  29         SUN8I_CSC_MODE_YVU2RGB,
  30 };
  31
  32 void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
  33                                      enum sun8i_csc_mode mode);
  34 void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable);
  35
  36 #endif