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 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 35 #define MAX_DWB 1 36 #endif 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 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 70 /* MPCC top/bottom gain settings */ 71 int bottom_gain_mode; 72 int background_color_bpc; 73 int top_gain; 74 int bottom_inside_gain; 75 int bottom_outside_gain; 76 #endif 77 }; 78 79 struct mpcc_sm_cfg { 80 bool enable; 81 /* 0-single plane,2-row subsampling,4-column subsampling,6-checkboard subsampling */ 82 int sm_mode; 83 /* 0- disable frame alternate, 1- enable frame alternate */ 84 bool frame_alt; 85 /* 0- disable field alternate, 1- enable field alternate */ 86 bool field_alt; 87 /* 0-no force,2-force frame polarity from top,3-force frame polarity from bottom */ 88 int force_next_frame_porlarity; 89 /* 0-no force,2-force field polarity from top,3-force field polarity from bottom */ 90 int force_next_field_polarity; 91 }; 92 93 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 94 struct mpc_denorm_clamp { 95 int clamp_max_r_cr; 96 int clamp_min_r_cr; 97 int clamp_max_g_y; 98 int clamp_min_g_y; 99 int clamp_max_b_cb; 100 int clamp_min_b_cb; 101 }; 102 #endif 103 104 /* 105 * MPCC connection and blending configuration for a single MPCC instance. 106 * This struct is used as a node in an MPC tree. 107 */ 108 struct mpcc { 109 int mpcc_id; /* MPCC physical instance */ 110 int dpp_id; /* DPP input to this MPCC */ 111 struct mpcc *mpcc_bot; /* pointer to bottom layer MPCC. NULL when not connected */ 112 struct mpcc_blnd_cfg blnd_cfg; /* The blending configuration for this MPCC */ 113 struct mpcc_sm_cfg sm_cfg; /* stereo mix setting for this MPCC */ 114 }; 115 116 /* 117 * MPC tree represents all MPCC connections for a pipe. 118 */ 119 struct mpc_tree { 120 int opp_id; /* The OPP instance that owns this MPC tree */ 121 struct mpcc *opp_list; /* The top MPCC layer of the MPC tree that outputs to OPP endpoint */ 122 }; 123 124 struct mpc { 125 const struct mpc_funcs *funcs; 126 struct dc_context *ctx; 127 128 struct mpcc mpcc_array[MAX_MPCC]; 129 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 130 struct pwl_params blender_params; 131 #endif 132 }; 133 134 struct mpcc_state { 135 uint32_t opp_id; 136 uint32_t dpp_id; 137 uint32_t bot_mpcc_id; 138 uint32_t mode; 139 uint32_t alpha_mode; 140 uint32_t pre_multiplied_alpha; 141 uint32_t overlap_only; 142 uint32_t idle; 143 uint32_t busy; 144 }; 145 146 struct mpc_funcs { 147 void (*read_mpcc_state)( 148 struct mpc *mpc, 149 int mpcc_inst, 150 struct mpcc_state *s); 151 152 /* 153 * Insert DPP into MPC tree based on specified blending position. 154 * Only used for planes that are part of blending chain for OPP output 155 * 156 * Parameters: 157 * [in/out] mpc - MPC context. 158 * [in/out] tree - MPC tree structure that plane will be added to. 159 * [in] blnd_cfg - MPCC blending configuration for the new blending layer. 160 * [in] sm_cfg - MPCC stereo mix configuration for the new blending layer. 161 * stereo mix must disable for the very bottom layer of the tree config. 162 * [in] insert_above_mpcc - Insert new plane above this MPCC. If NULL, insert as bottom plane. 163 * [in] dpp_id - DPP instance for the plane to be added. 164 * [in] mpcc_id - The MPCC physical instance to use for blending. 165 * 166 * Return: struct mpcc* - MPCC that was added. 167 */ 168 struct mpcc* (*insert_plane)( 169 struct mpc *mpc, 170 struct mpc_tree *tree, 171 struct mpcc_blnd_cfg *blnd_cfg, 172 struct mpcc_sm_cfg *sm_cfg, 173 struct mpcc *insert_above_mpcc, 174 int dpp_id, 175 int mpcc_id); 176 177 /* 178 * Remove a specified MPCC from the MPC tree. 179 * 180 * Parameters: 181 * [in/out] mpc - MPC context. 182 * [in/out] tree - MPC tree structure that plane will be removed from. 183 * [in/out] mpcc - MPCC to be removed from tree. 184 * 185 * Return: void 186 */ 187 void (*remove_mpcc)( 188 struct mpc *mpc, 189 struct mpc_tree *tree, 190 struct mpcc *mpcc); 191 192 /* 193 * Reset the MPCC HW status by disconnecting all muxes. 194 * 195 * Parameters: 196 * [in/out] mpc - MPC context. 197 * 198 * Return: void 199 */ 200 void (*mpc_init)(struct mpc *mpc); 201 202 /* 203 * Update the blending configuration for a specified MPCC. 204 * 205 * Parameters: 206 * [in/out] mpc - MPC context. 207 * [in] blnd_cfg - MPCC blending configuration. 208 * [in] mpcc_id - The MPCC physical instance. 209 * 210 * Return: void 211 */ 212 void (*update_blending)( 213 struct mpc *mpc, 214 struct mpcc_blnd_cfg *blnd_cfg, 215 int mpcc_id); 216 217 struct mpcc* (*get_mpcc_for_dpp)( 218 struct mpc_tree *tree, 219 int dpp_id); 220 221 void (*wait_for_idle)(struct mpc *mpc, int id); 222 223 void (*assert_mpcc_idle_before_connect)(struct mpc *mpc, int mpcc_id); 224 225 void (*init_mpcc_list_from_hw)( 226 struct mpc *mpc, 227 struct mpc_tree *tree); 228 229 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 230 void (*set_denorm)(struct mpc *mpc, 231 int opp_id, 232 enum dc_color_depth output_depth); 233 234 void (*set_denorm_clamp)( 235 struct mpc *mpc, 236 int opp_id, 237 struct mpc_denorm_clamp denorm_clamp); 238 239 void (*set_output_csc)(struct mpc *mpc, 240 int opp_id, 241 const uint16_t *regval, 242 enum mpc_output_csc_mode ocsc_mode); 243 244 void (*set_ocsc_default)(struct mpc *mpc, 245 int opp_id, 246 enum dc_color_space color_space, 247 enum mpc_output_csc_mode ocsc_mode); 248 249 void (*set_output_gamma)( 250 struct mpc *mpc, 251 int mpcc_id, 252 const struct pwl_params *params); 253 #endif 254 255 }; 256 257 #endif 258