drivers/gpu/drm/meson/meson_canvas.h

   1 /*
   2  * Copyright (C) 2016 BayLibre, SAS
   3  * Author: Neil Armstrong <narmstrong@baylibre.com>
   4  * Copyright (C) 2014 Endless Mobile
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 /* Canvas LUT Memory */
  21
  22 #ifndef __MESON_CANVAS_H
  23 #define __MESON_CANVAS_H
  24
  25 #define MESON_CANVAS_ID_OSD1    0x4e
  26 #define MESON_CANVAS_ID_VD1_0   0x60
  27 #define MESON_CANVAS_ID_VD1_1   0x61
  28 #define MESON_CANVAS_ID_VD1_2   0x62
  29
  30 /* Canvas configuration. */
  31 #define MESON_CANVAS_WRAP_NONE  0x00
  32 #define MESON_CANVAS_WRAP_X     0x01
  33 #define MESON_CANVAS_WRAP_Y     0x02
  34
  35 #define MESON_CANVAS_BLKMODE_LINEAR     0x00
  36 #define MESON_CANVAS_BLKMODE_32x32      0x01
  37 #define MESON_CANVAS_BLKMODE_64x64      0x02
  38
  39 #define MESON_CANVAS_ENDIAN_SWAP16      0x1
  40 #define MESON_CANVAS_ENDIAN_SWAP32      0x3
  41 #define MESON_CANVAS_ENDIAN_SWAP64      0x7
  42 #define MESON_CANVAS_ENDIAN_SWAP128     0xf
  43
  44 void meson_canvas_setup(struct meson_drm *priv,
  45                         uint32_t canvas_index, uint32_t addr,
  46                         uint32_t stride, uint32_t height,
  47                         unsigned int wrap,
  48                         unsigned int blkmode,
  49                         unsigned int endian);
  50
  51 #endif /* __MESON_CANVAS_H */