drivers/gpu/drm/mediatek/mtk_plane.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2015 MediaTek Inc.
   4  * Author: CK Hu <[email protected]>
   5  */
   6
   7 #ifndef _MTK_PLANE_H_
   8 #define _MTK_PLANE_H_
   9
  10 #include <drm/drm_crtc.h>
  11 #include <linux/types.h>
  12
  13 #define AFBC_DATA_BLOCK_WIDTH 32
  14 #define AFBC_DATA_BLOCK_HEIGHT 8
  15 #define AFBC_HEADER_BLOCK_SIZE 16
  16 #define AFBC_HEADER_ALIGNMENT 1024
  17
  18 struct mtk_plane_pending_state {
  19         bool                            config;
  20         bool                            enable;
  21         dma_addr_t                      addr;
  22         dma_addr_t                      hdr_addr;
  23         unsigned int                    pitch;
  24         unsigned int                    hdr_pitch;
  25         unsigned int                    format;
  26         unsigned long long              modifier;
  27         unsigned int                    x;
  28         unsigned int                    y;
  29         unsigned int                    width;
  30         unsigned int                    height;
  31         unsigned int                    rotation;
  32         bool                            dirty;
  33         bool                            async_dirty;
  34         bool                            async_config;
  35         enum drm_color_encoding         color_encoding;
  36 };
  37
  38 struct mtk_plane_state {
  39         struct drm_plane_state          base;
  40         struct mtk_plane_pending_state  pending;
  41 };
  42
  43 static inline struct mtk_plane_state *
  44 to_mtk_plane_state(struct drm_plane_state *state)
  45 {
  46         return container_of(state, struct mtk_plane_state, base);
  47 }
  48
  49 int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane,
  50                    unsigned long possible_crtcs, enum drm_plane_type type,
  51                    unsigned int supported_rotations, const u32 *formats,
  52                    size_t num_formats);
  53
  54 #endif