1 /* Copyright 2012-15 Advanced Micro Devices, Inc. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a 4 * copy of this software and associated documentation files (the "Software"), 5 * to deal in the Software without restriction, including without limitation 6 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 7 * and/or sell copies of the Software, and to permit persons to whom the 8 * Software is furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 16 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 17 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 18 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 19 * OTHER DEALINGS IN THE SOFTWARE. 20 * 21 * Authors: AMD 22 * 23 */ 24 25 #ifndef __DC_MPCC_H__ 26 #define __DC_MPCC_H__ 27 28 #include "dc_hw_types.h" 29 #include "hw_shared.h" 30 31 #define MAX_MPCC 6 32 #define MAX_OPP 6 33 34 enum mpc_output_csc_mode { 35 MPC_OUTPUT_CSC_DISABLE = 0, 36 MPC_OUTPUT_CSC_COEF_A, 37 MPC_OUTPUT_CSC_COEF_B 38 }; 39 40 41 enum mpcc_blend_mode { 42 MPCC_BLEND_MODE_BYPASS, 43 MPCC_BLEND_MODE_TOP_LAYER_PASSTHROUGH, 44 MPCC_BLEND_MODE_TOP_LAYER_ONLY, 45 MPCC_BLEND_MODE_TOP_BOT_BLENDING 46 }; 47 48 enum mpcc_alpha_blend_mode { 49 MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA, 50 MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN, 51 MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA 52 }; 53 54 /* 55 * MPCC blending configuration 56 */ 57 struct mpcc_blnd_cfg { 58 struct tg_color black_color; /* background color */ 59 enum mpcc_alpha_blend_mode alpha_mode; /* alpha blend mode */ 60 bool pre_multiplied_alpha; /* alpha pre-multiplied mode flag */ 61 int global_gain; 62 int global_alpha; 63 bool overlap_only; 64 65 }; 66 67 struct mpcc_sm_cfg { 68 bool enable; 69 /* 0-single plane,2-row subsampling,4-column subsampling,6-checkboard subsampling */ 70 int sm_mode; 71 /* 0- disable frame alternate, 1- enable frame alternate */ 72 bool frame_alt; 73 /* 0- disable field alternate, 1- enable field alternate */ 74 bool field_alt; 75 /* 0-no force,2-force frame polarity from top,3-force frame polarity from bottom */ 76 int force_next_frame_porlarity; 77 /* 0-no force,2-force field polarity from top,3-force field polarity from bottom */ 78 int force_next_field_polarity; 79 }; 80 81 /* 82 * MPCC connection and blending configuration for a single MPCC instance. 83 * This struct is used as a node in an MPC tree. 84 */ 85 struct mpcc { 86 int mpcc_id; /* MPCC physical instance */ 87 int dpp_id; /* DPP input to this MPCC */ 88 struct mpcc *mpcc_bot; /* pointer to bottom layer MPCC. NULL when not connected */ 89 struct mpcc_blnd_cfg blnd_cfg; /* The blending configuration for this MPCC */ 90 struct mpcc_sm_cfg sm_cfg; /* stereo mix setting for this MPCC */ 91 }; 92 93 /* 94 * MPC tree represents all MPCC connections for a pipe. 95 */ 96 struct mpc_tree { 97 int opp_id; /* The OPP instance that owns this MPC tree */ 98 struct mpcc *opp_list; /* The top MPCC layer of the MPC tree that outputs to OPP endpoint */ 99 }; 100 101 struct mpc { 102 const struct mpc_funcs *funcs; 103 struct dc_context *ctx; 104 105 struct mpcc mpcc_array[MAX_MPCC]; 106 }; 107 108 struct mpcc_state { 109 uint32_t opp_id; 110 uint32_t dpp_id; 111 uint32_t bot_mpcc_id; 112 uint32_t mode; 113 uint32_t alpha_mode; 114 uint32_t pre_multiplied_alpha; 115 uint32_t overlap_only; 116 uint32_t idle; 117 uint32_t busy; 118 }; 119 120 struct mpc_funcs { 121 void (*read_mpcc_state)( 122 struct mpc *mpc, 123 int mpcc_inst, 124 struct mpcc_state *s); 125 126 /* 127 * Insert DPP into MPC tree based on specified blending position. 128 * Only used for planes that are part of blending chain for OPP output 129 * 130 * Parameters: 131 * [in/out] mpc - MPC context. 132 * [in/out] tree - MPC tree structure that plane will be added to. 133 * [in] blnd_cfg - MPCC blending configuration for the new blending layer. 134 * [in] sm_cfg - MPCC stereo mix configuration for the new blending layer. 135 * stereo mix must disable for the very bottom layer of the tree config. 136 * [in] insert_above_mpcc - Insert new plane above this MPCC. If NULL, insert as bottom plane. 137 * [in] dpp_id - DPP instance for the plane to be added. 138 * [in] mpcc_id - The MPCC physical instance to use for blending. 139 * 140 * Return: struct mpcc* - MPCC that was added. 141 */ 142 struct mpcc* (*insert_plane)( 143 struct mpc *mpc, 144 struct mpc_tree *tree, 145 struct mpcc_blnd_cfg *blnd_cfg, 146 struct mpcc_sm_cfg *sm_cfg, 147 struct mpcc *insert_above_mpcc, 148 int dpp_id, 149 int mpcc_id); 150 151 /* 152 * Remove a specified MPCC from the MPC tree. 153 * 154 * Parameters: 155 * [in/out] mpc - MPC context. 156 * [in/out] tree - MPC tree structure that plane will be removed from. 157 * [in/out] mpcc - MPCC to be removed from tree. 158 * 159 * Return: void 160 */ 161 void (*remove_mpcc)( 162 struct mpc *mpc, 163 struct mpc_tree *tree, 164 struct mpcc *mpcc); 165 166 /* 167 * Reset the MPCC HW status by disconnecting all muxes. 168 * 169 * Parameters: 170 * [in/out] mpc - MPC context. 171 * 172 * Return: void 173 */ 174 void (*mpc_init)(struct mpc *mpc); 175 176 /* 177 * Update the blending configuration for a specified MPCC. 178 * 179 * Parameters: 180 * [in/out] mpc - MPC context. 181 * [in] blnd_cfg - MPCC blending configuration. 182 * [in] mpcc_id - The MPCC physical instance. 183 * 184 * Return: void 185 */ 186 void (*update_blending)( 187 struct mpc *mpc, 188 struct mpcc_blnd_cfg *blnd_cfg, 189 int mpcc_id); 190 191 struct mpcc* (*get_mpcc_for_dpp)( 192 struct mpc_tree *tree, 193 int dpp_id); 194 195 void (*wait_for_idle)(struct mpc *mpc, int id); 196 197 void (*assert_mpcc_idle_before_connect)(struct mpc *mpc, int mpcc_id); 198 199 void (*init_mpcc_list_from_hw)( 200 struct mpc *mpc, 201 struct mpc_tree *tree); 202 203 }; 204 205 #endif 206
