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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | /* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. */ #ifndef _DPU_HW_PINGPONG_H #define _DPU_HW_PINGPONG_H #include "dpu_hw_catalog.h" #include "dpu_hw_mdss.h" #include "dpu_hw_util.h" #define DITHER_MATRIX_SZ 16 struct dpu_hw_pingpong; /** * struct dpu_hw_dither_cfg - dither feature structure * @flags: for customizing operations * @temporal_en: temperal dither enable * @c0_bitdepth: c0 component bit depth * @c1_bitdepth: c1 component bit depth * @c2_bitdepth: c2 component bit depth * @c3_bitdepth: c2 component bit depth * @matrix: dither strength matrix */ struct dpu_hw_dither_cfg { u64 flags; u32 temporal_en; u32 c0_bitdepth; u32 c1_bitdepth; u32 c2_bitdepth; u32 c3_bitdepth; u32 matrix[DITHER_MATRIX_SZ]; }; /** * * struct dpu_hw_pingpong_ops : Interface to the pingpong Hw driver functions * Assumption is these functions will be called after clocks are enabled * @enable_tearcheck: program and enable tear check block * @disable_tearcheck: disable able tear check block * @setup_dither : function to program the dither hw block * @get_line_count: obtain current vertical line counter */ struct dpu_hw_pingpong_ops { /** * enables vysnc generation and sets up init value of * read pointer and programs the tear check cofiguration */ int (*enable_tearcheck)(struct dpu_hw_pingpong *pp, struct dpu_hw_tear_check *cfg); /** * disables tear check block */ int (*disable_tearcheck)(struct dpu_hw_pingpong *pp); /** * read, modify, write to either set or clear listening to external TE * @Return: 1 if TE was originally connected, 0 if not, or -ERROR */ int (*connect_external_te)(struct dpu_hw_pingpong *pp, bool enable_external_te); /** * Obtain current vertical line counter */ u32 (*get_line_count)(struct dpu_hw_pingpong *pp); /** * Disable autorefresh if enabled */ void (*disable_autorefresh)(struct dpu_hw_pingpong *pp, uint32_t encoder_id, u16 vdisplay); /** * Setup dither matix for pingpong block */ void (*setup_dither)(struct dpu_hw_pingpong *pp, struct dpu_hw_dither_cfg *cfg); /** * Enable DSC */ int (*enable_dsc)(struct dpu_hw_pingpong *pp); /** * Disable DSC */ void (*disable_dsc)(struct dpu_hw_pingpong *pp); /** * Setup DSC */ int (*setup_dsc)(struct dpu_hw_pingpong *pp); }; struct dpu_hw_merge_3d; struct dpu_hw_pingpong { struct dpu_hw_blk base; struct dpu_hw_blk_reg_map hw; /* pingpong */ enum dpu_pingpong idx; const struct dpu_pingpong_cfg *caps; struct dpu_hw_merge_3d *merge_3d; /* ops */ struct dpu_hw_pingpong_ops ops; }; /** * to_dpu_hw_pingpong - convert base object dpu_hw_base to container * @hw: Pointer to base hardware block * return: Pointer to hardware block container */ static inline struct dpu_hw_pingpong *to_dpu_hw_pingpong(struct dpu_hw_blk *hw) { return container_of(hw, struct dpu_hw_pingpong, base); } /** * dpu_hw_pingpong_init() - initializes the pingpong driver for the passed * pingpong catalog entry. * @cfg: Pingpong catalog entry for which driver object is required * @addr: Mapped register io address of MDP * Return: Error code or allocated dpu_hw_pingpong context */ struct dpu_hw_pingpong *dpu_hw_pingpong_init(const struct dpu_pingpong_cfg *cfg, void __iomem *addr); /** * dpu_hw_pingpong_destroy - destroys pingpong driver context * should be called to free the context * @pp: Pointer to PP driver context returned by dpu_hw_pingpong_init */ void dpu_hw_pingpong_destroy(struct dpu_hw_pingpong *pp); #endif /*_DPU_HW_PINGPONG_H */ |