drivers/gpu/drm/mediatek/mtk_drm_plane.h

   1 /*
   2  * Copyright (c) 2015 MediaTek Inc.
   3  * Author: CK Hu <ck.hu@mediatek.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef _MTK_DRM_PLANE_H_
  16 #define _MTK_DRM_PLANE_H_
  17
  18 #include <drm/drm_crtc.h>
  19 #include <linux/types.h>
  20
  21 struct mtk_drm_plane {
  22         struct drm_plane                base;
  23         unsigned int                    idx;
  24 };
  25
  26 struct mtk_plane_pending_state {
  27         bool                            config;
  28         bool                            enable;
  29         dma_addr_t                      addr;
  30         unsigned int                    pitch;
  31         unsigned int                    format;
  32         unsigned int                    x;
  33         unsigned int                    y;
  34         unsigned int                    width;
  35         unsigned int                    height;
  36         bool                            dirty;
  37 };
  38
  39 struct mtk_plane_state {
  40         struct drm_plane_state          base;
  41         struct mtk_plane_pending_state  pending;
  42 };
  43
  44 static inline struct mtk_drm_plane *to_mtk_plane(struct drm_plane *plane)
  45 {
  46         return container_of(plane, struct mtk_drm_plane, base);
  47 }
  48
  49 static inline struct mtk_plane_state *
  50 to_mtk_plane_state(struct drm_plane_state *state)
  51 {
  52         return container_of(state, struct mtk_plane_state, base);
  53 }
  54
  55 int mtk_plane_init(struct drm_device *dev, struct mtk_drm_plane *mtk_plane,
  56                    unsigned long possible_crtcs, enum drm_plane_type type,
  57                    unsigned int zpos);
  58
  59 #endif