1 /* $NetBSD: mpc.h,v 1.2 2021/12/18 23:45:05 riastradh Exp $ */ 2 3 /* Copyright 2012-15 Advanced Micro Devices, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: AMD 24 * 25 */ 26 27 #ifndef __DC_MPCC_H__ 28 #define __DC_MPCC_H__ 29 30 #include "dc_hw_types.h" 31 #include "hw_shared.h" 32 33 #define MAX_MPCC 6 34 #define MAX_OPP 6 35 36 #define MAX_DWB 1 37 38 enum mpc_output_csc_mode { 39 MPC_OUTPUT_CSC_DISABLE = 0, 40 MPC_OUTPUT_CSC_COEF_A, 41 MPC_OUTPUT_CSC_COEF_B 42 }; 43 44 45 enum mpcc_blend_mode { 46 MPCC_BLEND_MODE_BYPASS, 47 MPCC_BLEND_MODE_TOP_LAYER_PASSTHROUGH, 48 MPCC_BLEND_MODE_TOP_LAYER_ONLY, 49 MPCC_BLEND_MODE_TOP_BOT_BLENDING 50 }; 51 52 enum mpcc_alpha_blend_mode { 53 MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA, 54 MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN, 55 MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA 56 }; 57 58 /* 59 * MPCC blending configuration 60 */ 61 struct mpcc_blnd_cfg { 62 struct tg_color black_color; /* background color */ 63 enum mpcc_alpha_blend_mode alpha_mode; /* alpha blend mode */ 64 bool pre_multiplied_alpha; /* alpha pre-multiplied mode flag */ 65 int global_gain; 66 int global_alpha; 67 bool overlap_only; 68 69 /* MPCC top/bottom gain settings */ 70 int bottom_gain_mode; 71 int background_color_bpc; 72 int top_gain; 73 int bottom_inside_gain; 74 int bottom_outside_gain; 75 }; 76 77 struct mpcc_sm_cfg { 78 bool enable; 79 /* 0-single plane,2-row subsampling,4-column subsampling,6-checkboard subsampling */ 80 int sm_mode; 81 /* 0- disable frame alternate, 1- enable frame alternate */ 82 bool frame_alt; 83 /* 0- disable field alternate, 1- enable field alternate */ 84 bool field_alt; 85 /* 0-no force,2-force frame polarity from top,3-force frame polarity from bottom */ 86 int force_next_frame_porlarity; 87 /* 0-no force,2-force field polarity from top,3-force field polarity from bottom */ 88 int force_next_field_polarity; 89 }; 90 91 struct mpc_denorm_clamp { 92 int clamp_max_r_cr; 93 int clamp_min_r_cr; 94 int clamp_max_g_y; 95 int clamp_min_g_y; 96 int clamp_max_b_cb; 97 int clamp_min_b_cb; 98 }; 99 100 /* 101 * MPCC connection and blending configuration for a single MPCC instance. 102 * This struct is used as a node in an MPC tree. 103 */ 104 struct mpcc { 105 int mpcc_id; /* MPCC physical instance */ 106 int dpp_id; /* DPP input to this MPCC */ 107 struct mpcc *mpcc_bot; /* pointer to bottom layer MPCC. NULL when not connected */ 108 struct mpcc_blnd_cfg blnd_cfg; /* The blending configuration for this MPCC */ 109 struct mpcc_sm_cfg sm_cfg; /* stereo mix setting for this MPCC */ 110 }; 111 112 /* 113 * MPC tree represents all MPCC connections for a pipe. 114 */ 115 struct mpc_tree { 116 int opp_id; /* The OPP instance that owns this MPC tree */ 117 struct mpcc *opp_list; /* The top MPCC layer of the MPC tree that outputs to OPP endpoint */ 118 }; 119 120 struct mpc { 121 const struct mpc_funcs *funcs; 122 struct dc_context *ctx; 123 124 struct mpcc mpcc_array[MAX_MPCC]; 125 struct pwl_params blender_params; 126 bool cm_bypass_mode; 127 }; 128 129 struct mpcc_state { 130 uint32_t opp_id; 131 uint32_t dpp_id; 132 uint32_t bot_mpcc_id; 133 uint32_t mode; 134 uint32_t alpha_mode; 135 uint32_t pre_multiplied_alpha; 136 uint32_t overlap_only; 137 uint32_t idle; 138 uint32_t busy; 139 }; 140 141 struct mpc_funcs { 142 void (*read_mpcc_state)( 143 struct mpc *mpc, 144 int mpcc_inst, 145 struct mpcc_state *s); 146 147 /* 148 * Insert DPP into MPC tree based on specified blending position. 149 * Only used for planes that are part of blending chain for OPP output 150 * 151 * Parameters: 152 * [in/out] mpc - MPC context. 153 * [in/out] tree - MPC tree structure that plane will be added to. 154 * [in] blnd_cfg - MPCC blending configuration for the new blending layer. 155 * [in] sm_cfg - MPCC stereo mix configuration for the new blending layer. 156 * stereo mix must disable for the very bottom layer of the tree config. 157 * [in] insert_above_mpcc - Insert new plane above this MPCC. If NULL, insert as bottom plane. 158 * [in] dpp_id - DPP instance for the plane to be added. 159 * [in] mpcc_id - The MPCC physical instance to use for blending. 160 * 161 * Return: struct mpcc* - MPCC that was added. 162 */ 163 struct mpcc* (*insert_plane)( 164 struct mpc *mpc, 165 struct mpc_tree *tree, 166 struct mpcc_blnd_cfg *blnd_cfg, 167 struct mpcc_sm_cfg *sm_cfg, 168 struct mpcc *insert_above_mpcc, 169 int dpp_id, 170 int mpcc_id); 171 172 /* 173 * Remove a specified MPCC from the MPC tree. 174 * 175 * Parameters: 176 * [in/out] mpc - MPC context. 177 * [in/out] tree - MPC tree structure that plane will be removed from. 178 * [in/out] mpcc - MPCC to be removed from tree. 179 * 180 * Return: void 181 */ 182 void (*remove_mpcc)( 183 struct mpc *mpc, 184 struct mpc_tree *tree, 185 struct mpcc *mpcc); 186 187 /* 188 * Reset the MPCC HW status by disconnecting all muxes. 189 * 190 * Parameters: 191 * [in/out] mpc - MPC context. 192 * 193 * Return: void 194 */ 195 void (*mpc_init)(struct mpc *mpc); 196 void (*mpc_init_single_inst)( 197 struct mpc *mpc, 198 unsigned int mpcc_id); 199 200 /* 201 * Update the blending configuration for a specified MPCC. 202 * 203 * Parameters: 204 * [in/out] mpc - MPC context. 205 * [in] blnd_cfg - MPCC blending configuration. 206 * [in] mpcc_id - The MPCC physical instance. 207 * 208 * Return: void 209 */ 210 void (*update_blending)( 211 struct mpc *mpc, 212 struct mpcc_blnd_cfg *blnd_cfg, 213 int mpcc_id); 214 215 struct mpcc* (*get_mpcc_for_dpp)( 216 struct mpc_tree *tree, 217 int dpp_id); 218 219 void (*wait_for_idle)(struct mpc *mpc, int id); 220 221 void (*assert_mpcc_idle_before_connect)(struct mpc *mpc, int mpcc_id); 222 223 void (*init_mpcc_list_from_hw)( 224 struct mpc *mpc, 225 struct mpc_tree *tree); 226 227 void (*set_denorm)(struct mpc *mpc, 228 int opp_id, 229 enum dc_color_depth output_depth); 230 231 void (*set_denorm_clamp)( 232 struct mpc *mpc, 233 int opp_id, 234 struct mpc_denorm_clamp denorm_clamp); 235 236 void (*set_output_csc)(struct mpc *mpc, 237 int opp_id, 238 const uint16_t *regval, 239 enum mpc_output_csc_mode ocsc_mode); 240 241 void (*set_ocsc_default)(struct mpc *mpc, 242 int opp_id, 243 enum dc_color_space color_space, 244 enum mpc_output_csc_mode ocsc_mode); 245 246 void (*set_output_gamma)( 247 struct mpc *mpc, 248 int mpcc_id, 249 const struct pwl_params *params); 250 void (*power_on_mpc_mem_pwr)( 251 struct mpc *mpc, 252 int mpcc_id, 253 bool power_on); 254 255 }; 256 257 #endif 258