drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
   3  */
   4
   5 #ifndef _DPU_HW_MERGE3D_H
   6 #define _DPU_HW_MERGE3D_H
   7
   8 #include "dpu_hw_catalog.h"
   9 #include "dpu_hw_mdss.h"
  10 #include "dpu_hw_util.h"
  11 #include "dpu_hw_blk.h"
  12
  13 struct dpu_hw_merge_3d;
  14
  15 /**
  16  *
  17  * struct dpu_hw_merge_3d_ops : Interface to the merge_3d Hw driver functions
  18  *  Assumption is these functions will be called after clocks are enabled
  19  *  @setup_3d_mode : enable 3D merge
  20  */
  21 struct dpu_hw_merge_3d_ops {
  22         void (*setup_3d_mode)(struct dpu_hw_merge_3d *merge_3d,
  23                         enum dpu_3d_blend_mode mode_3d);
  24
  25 };
  26
  27 struct dpu_hw_merge_3d {
  28         struct dpu_hw_blk base;
  29         struct dpu_hw_blk_reg_map hw;
  30
  31         /* merge_3d */
  32         enum dpu_merge_3d idx;
  33         const struct dpu_merge_3d_cfg *caps;
  34
  35         /* ops */
  36         struct dpu_hw_merge_3d_ops ops;
  37 };
  38
  39 /**
  40  * to_dpu_hw_merge_3d - convert base object dpu_hw_base to container
  41  * @hw: Pointer to base hardware block
  42  * return: Pointer to hardware block container
  43  */
  44 static inline struct dpu_hw_merge_3d *to_dpu_hw_merge_3d(struct dpu_hw_blk *hw)
  45 {
  46         return container_of(hw, struct dpu_hw_merge_3d, base);
  47 }
  48
  49 /**
  50  * dpu_hw_merge_3d_init - initializes the merge_3d driver for the passed
  51  *      merge_3d idx.
  52  * @idx:  Pingpong index for which driver object is required
  53  * @addr: Mapped register io address of MDP
  54  * @m:    Pointer to mdss catalog data
  55  * Returns: Error code or allocated dpu_hw_merge_3d context
  56  */
  57 struct dpu_hw_merge_3d *dpu_hw_merge_3d_init(enum dpu_merge_3d idx,
  58                 void __iomem *addr,
  59                 const struct dpu_mdss_cfg *m);
  60
  61 /**
  62  * dpu_hw_merge_3d_destroy - destroys merge_3d driver context
  63  *      should be called to free the context
  64  * @pp:   Pointer to PP driver context returned by dpu_hw_merge_3d_init
  65  */
  66 void dpu_hw_merge_3d_destroy(struct dpu_hw_merge_3d *pp);
  67
  68 #endif /*_DPU_HW_MERGE3D_H */