1 /* Copyright 2018 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 #include "power_helpers.h" 26 #include "dc/inc/hw/dmcu.h" 27 #include "dc/inc/hw/abm.h" 28 #include "dc.h" 29 #include "core_types.h" 30 #include "dmub_cmd.h" 31 32 #define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b)) 33 #define bswap16_based_on_endian(big_endian, value) \ 34 (big_endian) ? cpu_to_be16(value) : cpu_to_le16(value) 35 36 /* Possible Min Reduction config from least aggressive to most aggressive 37 * 0 1 2 3 4 5 6 7 8 9 10 11 12 38 * 100 98.0 94.1 94.1 85.1 80.3 75.3 69.4 60.0 57.6 50.2 49.8 40.0 % 39 */ 40 static const unsigned char min_reduction_table[13] = { 41 0xff, 0xfa, 0xf0, 0xf0, 0xd9, 0xcd, 0xc0, 0xb1, 0x99, 0x93, 0x80, 0x82, 0x66}; 42 43 /* Possible Max Reduction configs from least aggressive to most aggressive 44 * 0 1 2 3 4 5 6 7 8 9 10 11 12 45 * 96.1 89.8 85.1 80.3 69.4 64.7 64.7 50.2 39.6 30.2 30.2 30.2 19.6 % 46 */ 47 static const unsigned char max_reduction_table[13] = { 48 0xf5, 0xe5, 0xd9, 0xcd, 0xb1, 0xa5, 0xa5, 0x80, 0x65, 0x4d, 0x4d, 0x4d, 0x32}; 49 50 /* Possible ABM 2.2 Min Reduction configs from least aggressive to most aggressive 51 * 0 1 2 3 4 5 6 7 8 9 10 11 12 52 * 100 100 100 100 100 100 100 100 100 92.2 83.1 75.3 75.3 % 53 */ 54 static const unsigned char min_reduction_table_v_2_2[13] = { 55 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xd4, 0xc0, 0xc0}; 56 57 /* Possible ABM 2.2 Max Reduction configs from least aggressive to most aggressive 58 * 0 1 2 3 4 5 6 7 8 9 10 11 12 59 * 96.1 89.8 74.9 69.4 64.7 52.2 48.6 39.6 30.2 25.1 19.6 12.5 12.5 % 60 */ 61 static const unsigned char max_reduction_table_v_2_2[13] = { 62 0xf5, 0xe5, 0xbf, 0xb1, 0xa5, 0x85, 0x7c, 0x65, 0x4d, 0x40, 0x32, 0x20, 0x20}; 63 64 /* Predefined ABM configuration sets. We may have different configuration sets 65 * in order to satisfy different power/quality requirements. 66 */ 67 static const unsigned char abm_config[abm_defines_max_config][abm_defines_max_level] = { 68 /* ABM Level 1, ABM Level 2, ABM Level 3, ABM Level 4 */ 69 { 2, 5, 7, 8 }, /* Default - Medium aggressiveness */ 70 { 2, 5, 8, 11 }, /* Alt #1 - Increased aggressiveness */ 71 { 0, 2, 4, 8 }, /* Alt #2 - Minimal aggressiveness */ 72 { 3, 6, 10, 12 }, /* Alt #3 - Super aggressiveness */ 73 }; 74 75 struct abm_parameters { 76 unsigned char min_reduction; 77 unsigned char max_reduction; 78 unsigned char bright_pos_gain; 79 unsigned char dark_pos_gain; 80 unsigned char brightness_gain; 81 unsigned char contrast_factor; 82 unsigned char deviation_gain; 83 unsigned char min_knee; 84 unsigned char max_knee; 85 unsigned short blRampReduction; 86 unsigned short blRampStart; 87 }; 88 89 static const struct abm_parameters abm_settings_config0[abm_defines_max_level] = { 90 // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart 91 {0xff, 0xbf, 0x20, 0x00, 0xff, 0x99, 0xb3, 0x40, 0xe0, 0xf777, 0xcccc}, 92 {0xde, 0x85, 0x20, 0x00, 0xe0, 0x90, 0xa8, 0x40, 0xc8, 0xf777, 0xcccc}, 93 {0xb0, 0x50, 0x20, 0x00, 0xc0, 0x88, 0x78, 0x70, 0xa0, 0xeeee, 0x9999}, 94 {0x82, 0x40, 0x20, 0x00, 0x00, 0xb8, 0xb3, 0x70, 0x70, 0xe333, 0xb333}, 95 }; 96 97 static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = { 98 // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart 99 {0xf0, 0xd9, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 100 {0xcd, 0xa5, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 101 {0x99, 0x65, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 102 {0x82, 0x4d, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 103 }; 104 105 static const struct abm_parameters abm_settings_config2[abm_defines_max_level] = { 106 // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart 107 {0xf0, 0xbf, 0x20, 0x00, 0x88, 0x99, 0xb3, 0x40, 0xe0, 0x0000, 0xcccc}, 108 {0xd8, 0x85, 0x20, 0x00, 0x70, 0x90, 0xa8, 0x40, 0xc8, 0x0700, 0xb333}, 109 {0xb8, 0x58, 0x20, 0x00, 0x64, 0x88, 0x78, 0x70, 0xa0, 0x7000, 0x9999}, 110 {0x82, 0x40, 0x20, 0x00, 0x00, 0xb8, 0xb3, 0x70, 0x70, 0xc333, 0xb333}, 111 }; 112 113 static const struct abm_parameters * const abm_settings[] = { 114 abm_settings_config0, 115 abm_settings_config1, 116 abm_settings_config2, 117 }; 118 119 #define NUM_AMBI_LEVEL 5 120 #define NUM_AGGR_LEVEL 4 121 #define NUM_POWER_FN_SEGS 8 122 #define NUM_BL_CURVE_SEGS 16 123 #define IRAM_SIZE 256 124 125 #define IRAM_RESERVE_AREA_START_V2 0xF0 // reserve 0xF0~0xF6 are write by DMCU only 126 #define IRAM_RESERVE_AREA_END_V2 0xF6 // reserve 0xF0~0xF6 are write by DMCU only 127 128 #define IRAM_RESERVE_AREA_START_V2_2 0xF0 // reserve 0xF0~0xFF are write by DMCU only 129 #define IRAM_RESERVE_AREA_END_V2_2 0xFF // reserve 0xF0~0xFF are write by DMCU only 130 131 #pragma pack(push, 1) 132 /* NOTE: iRAM is 256B in size */ 133 struct iram_table_v_2 { 134 /* flags */ 135 uint16_t min_abm_backlight; /* 0x00 U16 */ 136 137 /* parameters for ABM2.0 algorithm */ 138 uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */ 139 uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */ 140 uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */ 141 uint8_t bright_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */ 142 uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x52 U2.6 */ 143 uint8_t dark_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x66 U2.6 */ 144 uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x7a U0.8 */ 145 uint8_t deviation_gain; /* 0x7f U0.8 */ 146 147 /* parameters for crgb conversion */ 148 uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */ 149 uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */ 150 uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */ 151 152 /* parameters for custom curve */ 153 /* thresholds for brightness --> backlight */ 154 uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */ 155 /* offsets for brightness --> backlight */ 156 uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */ 157 158 /* For reading PSR State directly from IRAM */ 159 uint8_t psr_state; /* 0xf0 */ 160 uint8_t dmcu_mcp_interface_version; /* 0xf1 */ 161 uint8_t dmcu_abm_feature_version; /* 0xf2 */ 162 uint8_t dmcu_psr_feature_version; /* 0xf3 */ 163 uint16_t dmcu_version; /* 0xf4 */ 164 uint8_t dmcu_state; /* 0xf6 */ 165 166 uint16_t blRampReduction; /* 0xf7 */ 167 uint16_t blRampStart; /* 0xf9 */ 168 uint8_t dummy5; /* 0xfb */ 169 uint8_t dummy6; /* 0xfc */ 170 uint8_t dummy7; /* 0xfd */ 171 uint8_t dummy8; /* 0xfe */ 172 uint8_t dummy9; /* 0xff */ 173 }; 174 175 struct iram_table_v_2_2 { 176 /* flags */ 177 uint16_t flags; /* 0x00 U16 */ 178 179 /* parameters for ABM2.2 algorithm */ 180 uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */ 181 uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */ 182 uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */ 183 uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */ 184 uint8_t hybrid_factor[NUM_AGGR_LEVEL]; /* 0x52 U0.8 */ 185 uint8_t contrast_factor[NUM_AGGR_LEVEL]; /* 0x56 U0.8 */ 186 uint8_t deviation_gain[NUM_AGGR_LEVEL]; /* 0x5a U0.8 */ 187 uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x5e U0.8 */ 188 uint8_t min_knee[NUM_AGGR_LEVEL]; /* 0x63 U0.8 */ 189 uint8_t max_knee[NUM_AGGR_LEVEL]; /* 0x67 U0.8 */ 190 uint16_t min_abm_backlight; /* 0x6b U16 */ 191 uint8_t pad[19]; /* 0x6d U0.8 */ 192 193 /* parameters for crgb conversion */ 194 uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */ 195 uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */ 196 uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */ 197 198 /* parameters for custom curve */ 199 /* thresholds for brightness --> backlight */ 200 uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */ 201 /* offsets for brightness --> backlight */ 202 uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */ 203 204 /* For reading PSR State directly from IRAM */ 205 uint8_t psr_state; /* 0xf0 */ 206 uint8_t dmcu_mcp_interface_version; /* 0xf1 */ 207 uint8_t dmcu_abm_feature_version; /* 0xf2 */ 208 uint8_t dmcu_psr_feature_version; /* 0xf3 */ 209 uint16_t dmcu_version; /* 0xf4 */ 210 uint8_t dmcu_state; /* 0xf6 */ 211 212 uint8_t dummy1; /* 0xf7 */ 213 uint8_t dummy2; /* 0xf8 */ 214 uint8_t dummy3; /* 0xf9 */ 215 uint8_t dummy4; /* 0xfa */ 216 uint8_t dummy5; /* 0xfb */ 217 uint8_t dummy6; /* 0xfc */ 218 uint8_t dummy7; /* 0xfd */ 219 uint8_t dummy8; /* 0xfe */ 220 uint8_t dummy9; /* 0xff */ 221 }; 222 #pragma pack(pop) 223 224 static void fill_backlight_transform_table(struct dmcu_iram_parameters params, 225 struct iram_table_v_2 *table) 226 { 227 unsigned int i; 228 unsigned int num_entries = NUM_BL_CURVE_SEGS; 229 unsigned int lut_index; 230 231 table->backlight_thresholds[0] = 0; 232 table->backlight_offsets[0] = params.backlight_lut_array[0]; 233 table->backlight_thresholds[num_entries-1] = 0xFFFF; 234 table->backlight_offsets[num_entries-1] = 235 params.backlight_lut_array[params.backlight_lut_array_size - 1]; 236 237 /* Setup all brightness levels between 0% and 100% exclusive 238 * Fills brightness-to-backlight transform table. Backlight custom curve 239 * describes transform from brightness to backlight. It will be defined 240 * as set of thresholds and set of offsets, together, implying 241 * extrapolation of custom curve into 16 uniformly spanned linear 242 * segments. Each threshold/offset represented by 16 bit entry in 243 * format U4.10. 244 */ 245 for (i = 1; i+1 < num_entries; i++) { 246 lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1); 247 ASSERT(lut_index < params.backlight_lut_array_size); 248 249 table->backlight_thresholds[i] = 250 cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries)); 251 table->backlight_offsets[i] = 252 cpu_to_be16(params.backlight_lut_array[lut_index]); 253 } 254 } 255 256 static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters params, 257 struct iram_table_v_2_2 *table, bool big_endian) 258 { 259 unsigned int i; 260 unsigned int num_entries = NUM_BL_CURVE_SEGS; 261 unsigned int lut_index; 262 263 table->backlight_thresholds[0] = 0; 264 table->backlight_offsets[0] = params.backlight_lut_array[0]; 265 table->backlight_thresholds[num_entries-1] = 0xFFFF; 266 table->backlight_offsets[num_entries-1] = 267 params.backlight_lut_array[params.backlight_lut_array_size - 1]; 268 269 /* Setup all brightness levels between 0% and 100% exclusive 270 * Fills brightness-to-backlight transform table. Backlight custom curve 271 * describes transform from brightness to backlight. It will be defined 272 * as set of thresholds and set of offsets, together, implying 273 * extrapolation of custom curve into 16 uniformly spanned linear 274 * segments. Each threshold/offset represented by 16 bit entry in 275 * format U4.10. 276 */ 277 for (i = 1; i+1 < num_entries; i++) { 278 lut_index = DIV_ROUNDUP((i * params.backlight_lut_array_size), num_entries); 279 ASSERT(lut_index < params.backlight_lut_array_size); 280 281 table->backlight_thresholds[i] = (big_endian) ? 282 cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries)) : 283 cpu_to_le16(DIV_ROUNDUP((i * 65536), num_entries)); 284 table->backlight_offsets[i] = (big_endian) ? 285 cpu_to_be16(params.backlight_lut_array[lut_index]) : 286 cpu_to_le16(params.backlight_lut_array[lut_index]); 287 } 288 } 289 290 static void fill_iram_v_2(struct iram_table_v_2 *ram_table, struct dmcu_iram_parameters params) 291 { 292 unsigned int set = params.set; 293 294 ram_table->min_abm_backlight = 295 cpu_to_be16(params.min_abm_backlight); 296 ram_table->deviation_gain = 0xb3; 297 298 ram_table->blRampReduction = 299 cpu_to_be16(params.backlight_ramping_reduction); 300 ram_table->blRampStart = 301 cpu_to_be16(params.backlight_ramping_start); 302 303 ram_table->min_reduction[0][0] = min_reduction_table[abm_config[set][0]]; 304 ram_table->min_reduction[1][0] = min_reduction_table[abm_config[set][0]]; 305 ram_table->min_reduction[2][0] = min_reduction_table[abm_config[set][0]]; 306 ram_table->min_reduction[3][0] = min_reduction_table[abm_config[set][0]]; 307 ram_table->min_reduction[4][0] = min_reduction_table[abm_config[set][0]]; 308 ram_table->max_reduction[0][0] = max_reduction_table[abm_config[set][0]]; 309 ram_table->max_reduction[1][0] = max_reduction_table[abm_config[set][0]]; 310 ram_table->max_reduction[2][0] = max_reduction_table[abm_config[set][0]]; 311 ram_table->max_reduction[3][0] = max_reduction_table[abm_config[set][0]]; 312 ram_table->max_reduction[4][0] = max_reduction_table[abm_config[set][0]]; 313 314 ram_table->min_reduction[0][1] = min_reduction_table[abm_config[set][1]]; 315 ram_table->min_reduction[1][1] = min_reduction_table[abm_config[set][1]]; 316 ram_table->min_reduction[2][1] = min_reduction_table[abm_config[set][1]]; 317 ram_table->min_reduction[3][1] = min_reduction_table[abm_config[set][1]]; 318 ram_table->min_reduction[4][1] = min_reduction_table[abm_config[set][1]]; 319 ram_table->max_reduction[0][1] = max_reduction_table[abm_config[set][1]]; 320 ram_table->max_reduction[1][1] = max_reduction_table[abm_config[set][1]]; 321 ram_table->max_reduction[2][1] = max_reduction_table[abm_config[set][1]]; 322 ram_table->max_reduction[3][1] = max_reduction_table[abm_config[set][1]]; 323 ram_table->max_reduction[4][1] = max_reduction_table[abm_config[set][1]]; 324 325 ram_table->min_reduction[0][2] = min_reduction_table[abm_config[set][2]]; 326 ram_table->min_reduction[1][2] = min_reduction_table[abm_config[set][2]]; 327 ram_table->min_reduction[2][2] = min_reduction_table[abm_config[set][2]]; 328 ram_table->min_reduction[3][2] = min_reduction_table[abm_config[set][2]]; 329 ram_table->min_reduction[4][2] = min_reduction_table[abm_config[set][2]]; 330 ram_table->max_reduction[0][2] = max_reduction_table[abm_config[set][2]]; 331 ram_table->max_reduction[1][2] = max_reduction_table[abm_config[set][2]]; 332 ram_table->max_reduction[2][2] = max_reduction_table[abm_config[set][2]]; 333 ram_table->max_reduction[3][2] = max_reduction_table[abm_config[set][2]]; 334 ram_table->max_reduction[4][2] = max_reduction_table[abm_config[set][2]]; 335 336 ram_table->min_reduction[0][3] = min_reduction_table[abm_config[set][3]]; 337 ram_table->min_reduction[1][3] = min_reduction_table[abm_config[set][3]]; 338 ram_table->min_reduction[2][3] = min_reduction_table[abm_config[set][3]]; 339 ram_table->min_reduction[3][3] = min_reduction_table[abm_config[set][3]]; 340 ram_table->min_reduction[4][3] = min_reduction_table[abm_config[set][3]]; 341 ram_table->max_reduction[0][3] = max_reduction_table[abm_config[set][3]]; 342 ram_table->max_reduction[1][3] = max_reduction_table[abm_config[set][3]]; 343 ram_table->max_reduction[2][3] = max_reduction_table[abm_config[set][3]]; 344 ram_table->max_reduction[3][3] = max_reduction_table[abm_config[set][3]]; 345 ram_table->max_reduction[4][3] = max_reduction_table[abm_config[set][3]]; 346 347 ram_table->bright_pos_gain[0][0] = 0x20; 348 ram_table->bright_pos_gain[0][1] = 0x20; 349 ram_table->bright_pos_gain[0][2] = 0x20; 350 ram_table->bright_pos_gain[0][3] = 0x20; 351 ram_table->bright_pos_gain[1][0] = 0x20; 352 ram_table->bright_pos_gain[1][1] = 0x20; 353 ram_table->bright_pos_gain[1][2] = 0x20; 354 ram_table->bright_pos_gain[1][3] = 0x20; 355 ram_table->bright_pos_gain[2][0] = 0x20; 356 ram_table->bright_pos_gain[2][1] = 0x20; 357 ram_table->bright_pos_gain[2][2] = 0x20; 358 ram_table->bright_pos_gain[2][3] = 0x20; 359 ram_table->bright_pos_gain[3][0] = 0x20; 360 ram_table->bright_pos_gain[3][1] = 0x20; 361 ram_table->bright_pos_gain[3][2] = 0x20; 362 ram_table->bright_pos_gain[3][3] = 0x20; 363 ram_table->bright_pos_gain[4][0] = 0x20; 364 ram_table->bright_pos_gain[4][1] = 0x20; 365 ram_table->bright_pos_gain[4][2] = 0x20; 366 ram_table->bright_pos_gain[4][3] = 0x20; 367 ram_table->bright_neg_gain[0][0] = 0x00; 368 ram_table->bright_neg_gain[0][1] = 0x00; 369 ram_table->bright_neg_gain[0][2] = 0x00; 370 ram_table->bright_neg_gain[0][3] = 0x00; 371 ram_table->bright_neg_gain[1][0] = 0x00; 372 ram_table->bright_neg_gain[1][1] = 0x00; 373 ram_table->bright_neg_gain[1][2] = 0x00; 374 ram_table->bright_neg_gain[1][3] = 0x00; 375 ram_table->bright_neg_gain[2][0] = 0x00; 376 ram_table->bright_neg_gain[2][1] = 0x00; 377 ram_table->bright_neg_gain[2][2] = 0x00; 378 ram_table->bright_neg_gain[2][3] = 0x00; 379 ram_table->bright_neg_gain[3][0] = 0x00; 380 ram_table->bright_neg_gain[3][1] = 0x00; 381 ram_table->bright_neg_gain[3][2] = 0x00; 382 ram_table->bright_neg_gain[3][3] = 0x00; 383 ram_table->bright_neg_gain[4][0] = 0x00; 384 ram_table->bright_neg_gain[4][1] = 0x00; 385 ram_table->bright_neg_gain[4][2] = 0x00; 386 ram_table->bright_neg_gain[4][3] = 0x00; 387 ram_table->dark_pos_gain[0][0] = 0x00; 388 ram_table->dark_pos_gain[0][1] = 0x00; 389 ram_table->dark_pos_gain[0][2] = 0x00; 390 ram_table->dark_pos_gain[0][3] = 0x00; 391 ram_table->dark_pos_gain[1][0] = 0x00; 392 ram_table->dark_pos_gain[1][1] = 0x00; 393 ram_table->dark_pos_gain[1][2] = 0x00; 394 ram_table->dark_pos_gain[1][3] = 0x00; 395 ram_table->dark_pos_gain[2][0] = 0x00; 396 ram_table->dark_pos_gain[2][1] = 0x00; 397 ram_table->dark_pos_gain[2][2] = 0x00; 398 ram_table->dark_pos_gain[2][3] = 0x00; 399 ram_table->dark_pos_gain[3][0] = 0x00; 400 ram_table->dark_pos_gain[3][1] = 0x00; 401 ram_table->dark_pos_gain[3][2] = 0x00; 402 ram_table->dark_pos_gain[3][3] = 0x00; 403 ram_table->dark_pos_gain[4][0] = 0x00; 404 ram_table->dark_pos_gain[4][1] = 0x00; 405 ram_table->dark_pos_gain[4][2] = 0x00; 406 ram_table->dark_pos_gain[4][3] = 0x00; 407 ram_table->dark_neg_gain[0][0] = 0x00; 408 ram_table->dark_neg_gain[0][1] = 0x00; 409 ram_table->dark_neg_gain[0][2] = 0x00; 410 ram_table->dark_neg_gain[0][3] = 0x00; 411 ram_table->dark_neg_gain[1][0] = 0x00; 412 ram_table->dark_neg_gain[1][1] = 0x00; 413 ram_table->dark_neg_gain[1][2] = 0x00; 414 ram_table->dark_neg_gain[1][3] = 0x00; 415 ram_table->dark_neg_gain[2][0] = 0x00; 416 ram_table->dark_neg_gain[2][1] = 0x00; 417 ram_table->dark_neg_gain[2][2] = 0x00; 418 ram_table->dark_neg_gain[2][3] = 0x00; 419 ram_table->dark_neg_gain[3][0] = 0x00; 420 ram_table->dark_neg_gain[3][1] = 0x00; 421 ram_table->dark_neg_gain[3][2] = 0x00; 422 ram_table->dark_neg_gain[3][3] = 0x00; 423 ram_table->dark_neg_gain[4][0] = 0x00; 424 ram_table->dark_neg_gain[4][1] = 0x00; 425 ram_table->dark_neg_gain[4][2] = 0x00; 426 ram_table->dark_neg_gain[4][3] = 0x00; 427 428 ram_table->iir_curve[0] = 0x65; 429 ram_table->iir_curve[1] = 0x65; 430 ram_table->iir_curve[2] = 0x65; 431 ram_table->iir_curve[3] = 0x65; 432 ram_table->iir_curve[4] = 0x65; 433 434 //Gamma 2.4 435 ram_table->crgb_thresh[0] = cpu_to_be16(0x13b6); 436 ram_table->crgb_thresh[1] = cpu_to_be16(0x1648); 437 ram_table->crgb_thresh[2] = cpu_to_be16(0x18e3); 438 ram_table->crgb_thresh[3] = cpu_to_be16(0x1b41); 439 ram_table->crgb_thresh[4] = cpu_to_be16(0x1d46); 440 ram_table->crgb_thresh[5] = cpu_to_be16(0x1f21); 441 ram_table->crgb_thresh[6] = cpu_to_be16(0x2167); 442 ram_table->crgb_thresh[7] = cpu_to_be16(0x2384); 443 ram_table->crgb_offset[0] = cpu_to_be16(0x2999); 444 ram_table->crgb_offset[1] = cpu_to_be16(0x3999); 445 ram_table->crgb_offset[2] = cpu_to_be16(0x4666); 446 ram_table->crgb_offset[3] = cpu_to_be16(0x5999); 447 ram_table->crgb_offset[4] = cpu_to_be16(0x6333); 448 ram_table->crgb_offset[5] = cpu_to_be16(0x7800); 449 ram_table->crgb_offset[6] = cpu_to_be16(0x8c00); 450 ram_table->crgb_offset[7] = cpu_to_be16(0xa000); 451 ram_table->crgb_slope[0] = cpu_to_be16(0x3147); 452 ram_table->crgb_slope[1] = cpu_to_be16(0x2978); 453 ram_table->crgb_slope[2] = cpu_to_be16(0x23a2); 454 ram_table->crgb_slope[3] = cpu_to_be16(0x1f55); 455 ram_table->crgb_slope[4] = cpu_to_be16(0x1c63); 456 ram_table->crgb_slope[5] = cpu_to_be16(0x1a0f); 457 ram_table->crgb_slope[6] = cpu_to_be16(0x178d); 458 ram_table->crgb_slope[7] = cpu_to_be16(0x15ab); 459 460 fill_backlight_transform_table( 461 params, ram_table); 462 } 463 464 static void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params) 465 { 466 unsigned int set = params.set; 467 468 ram_table->flags = 0x0; 469 470 ram_table->min_abm_backlight = 471 cpu_to_be16(params.min_abm_backlight); 472 473 ram_table->deviation_gain[0] = 0xb3; 474 ram_table->deviation_gain[1] = 0xa8; 475 ram_table->deviation_gain[2] = 0x98; 476 ram_table->deviation_gain[3] = 0x68; 477 478 ram_table->min_reduction[0][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 479 ram_table->min_reduction[1][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 480 ram_table->min_reduction[2][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 481 ram_table->min_reduction[3][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 482 ram_table->min_reduction[4][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 483 ram_table->max_reduction[0][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 484 ram_table->max_reduction[1][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 485 ram_table->max_reduction[2][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 486 ram_table->max_reduction[3][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 487 ram_table->max_reduction[4][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 488 489 ram_table->min_reduction[0][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 490 ram_table->min_reduction[1][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 491 ram_table->min_reduction[2][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 492 ram_table->min_reduction[3][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 493 ram_table->min_reduction[4][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 494 ram_table->max_reduction[0][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 495 ram_table->max_reduction[1][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 496 ram_table->max_reduction[2][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 497 ram_table->max_reduction[3][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 498 ram_table->max_reduction[4][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 499 500 ram_table->min_reduction[0][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 501 ram_table->min_reduction[1][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 502 ram_table->min_reduction[2][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 503 ram_table->min_reduction[3][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 504 ram_table->min_reduction[4][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 505 ram_table->max_reduction[0][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 506 ram_table->max_reduction[1][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 507 ram_table->max_reduction[2][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 508 ram_table->max_reduction[3][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 509 ram_table->max_reduction[4][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 510 511 ram_table->min_reduction[0][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 512 ram_table->min_reduction[1][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 513 ram_table->min_reduction[2][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 514 ram_table->min_reduction[3][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 515 ram_table->min_reduction[4][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 516 ram_table->max_reduction[0][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 517 ram_table->max_reduction[1][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 518 ram_table->max_reduction[2][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 519 ram_table->max_reduction[3][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 520 ram_table->max_reduction[4][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 521 522 ram_table->bright_pos_gain[0][0] = 0x20; 523 ram_table->bright_pos_gain[0][1] = 0x20; 524 ram_table->bright_pos_gain[0][2] = 0x20; 525 ram_table->bright_pos_gain[0][3] = 0x20; 526 ram_table->bright_pos_gain[1][0] = 0x20; 527 ram_table->bright_pos_gain[1][1] = 0x20; 528 ram_table->bright_pos_gain[1][2] = 0x20; 529 ram_table->bright_pos_gain[1][3] = 0x20; 530 ram_table->bright_pos_gain[2][0] = 0x20; 531 ram_table->bright_pos_gain[2][1] = 0x20; 532 ram_table->bright_pos_gain[2][2] = 0x20; 533 ram_table->bright_pos_gain[2][3] = 0x20; 534 ram_table->bright_pos_gain[3][0] = 0x20; 535 ram_table->bright_pos_gain[3][1] = 0x20; 536 ram_table->bright_pos_gain[3][2] = 0x20; 537 ram_table->bright_pos_gain[3][3] = 0x20; 538 ram_table->bright_pos_gain[4][0] = 0x20; 539 ram_table->bright_pos_gain[4][1] = 0x20; 540 ram_table->bright_pos_gain[4][2] = 0x20; 541 ram_table->bright_pos_gain[4][3] = 0x20; 542 543 ram_table->dark_pos_gain[0][0] = 0x00; 544 ram_table->dark_pos_gain[0][1] = 0x00; 545 ram_table->dark_pos_gain[0][2] = 0x00; 546 ram_table->dark_pos_gain[0][3] = 0x00; 547 ram_table->dark_pos_gain[1][0] = 0x00; 548 ram_table->dark_pos_gain[1][1] = 0x00; 549 ram_table->dark_pos_gain[1][2] = 0x00; 550 ram_table->dark_pos_gain[1][3] = 0x00; 551 ram_table->dark_pos_gain[2][0] = 0x00; 552 ram_table->dark_pos_gain[2][1] = 0x00; 553 ram_table->dark_pos_gain[2][2] = 0x00; 554 ram_table->dark_pos_gain[2][3] = 0x00; 555 ram_table->dark_pos_gain[3][0] = 0x00; 556 ram_table->dark_pos_gain[3][1] = 0x00; 557 ram_table->dark_pos_gain[3][2] = 0x00; 558 ram_table->dark_pos_gain[3][3] = 0x00; 559 ram_table->dark_pos_gain[4][0] = 0x00; 560 ram_table->dark_pos_gain[4][1] = 0x00; 561 ram_table->dark_pos_gain[4][2] = 0x00; 562 ram_table->dark_pos_gain[4][3] = 0x00; 563 564 ram_table->hybrid_factor[0] = 0xff; 565 ram_table->hybrid_factor[1] = 0xff; 566 ram_table->hybrid_factor[2] = 0xff; 567 ram_table->hybrid_factor[3] = 0xc0; 568 569 ram_table->contrast_factor[0] = 0x99; 570 ram_table->contrast_factor[1] = 0x99; 571 ram_table->contrast_factor[2] = 0x90; 572 ram_table->contrast_factor[3] = 0x80; 573 574 ram_table->iir_curve[0] = 0x65; 575 ram_table->iir_curve[1] = 0x65; 576 ram_table->iir_curve[2] = 0x65; 577 ram_table->iir_curve[3] = 0x65; 578 ram_table->iir_curve[4] = 0x65; 579 580 //Gamma 2.2 581 ram_table->crgb_thresh[0] = cpu_to_be16(0x127c); 582 ram_table->crgb_thresh[1] = cpu_to_be16(0x151b); 583 ram_table->crgb_thresh[2] = cpu_to_be16(0x17d5); 584 ram_table->crgb_thresh[3] = cpu_to_be16(0x1a56); 585 ram_table->crgb_thresh[4] = cpu_to_be16(0x1c83); 586 ram_table->crgb_thresh[5] = cpu_to_be16(0x1e72); 587 ram_table->crgb_thresh[6] = cpu_to_be16(0x20f0); 588 ram_table->crgb_thresh[7] = cpu_to_be16(0x232b); 589 ram_table->crgb_offset[0] = cpu_to_be16(0x2999); 590 ram_table->crgb_offset[1] = cpu_to_be16(0x3999); 591 ram_table->crgb_offset[2] = cpu_to_be16(0x4666); 592 ram_table->crgb_offset[3] = cpu_to_be16(0x5999); 593 ram_table->crgb_offset[4] = cpu_to_be16(0x6333); 594 ram_table->crgb_offset[5] = cpu_to_be16(0x7800); 595 ram_table->crgb_offset[6] = cpu_to_be16(0x8c00); 596 ram_table->crgb_offset[7] = cpu_to_be16(0xa000); 597 ram_table->crgb_slope[0] = cpu_to_be16(0x3609); 598 ram_table->crgb_slope[1] = cpu_to_be16(0x2dfa); 599 ram_table->crgb_slope[2] = cpu_to_be16(0x27ea); 600 ram_table->crgb_slope[3] = cpu_to_be16(0x235d); 601 ram_table->crgb_slope[4] = cpu_to_be16(0x2042); 602 ram_table->crgb_slope[5] = cpu_to_be16(0x1dc3); 603 ram_table->crgb_slope[6] = cpu_to_be16(0x1b1a); 604 ram_table->crgb_slope[7] = cpu_to_be16(0x1910); 605 606 fill_backlight_transform_table_v_2_2( 607 params, ram_table, true); 608 } 609 610 static void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params, bool big_endian) 611 { 612 unsigned int i, j; 613 unsigned int set = params.set; 614 615 ram_table->flags = 0x0; 616 ram_table->min_abm_backlight = (big_endian) ? 617 cpu_to_be16(params.min_abm_backlight) : 618 cpu_to_le16(params.min_abm_backlight); 619 620 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 621 ram_table->hybrid_factor[i] = abm_settings[set][i].brightness_gain; 622 ram_table->contrast_factor[i] = abm_settings[set][i].contrast_factor; 623 ram_table->deviation_gain[i] = abm_settings[set][i].deviation_gain; 624 ram_table->min_knee[i] = abm_settings[set][i].min_knee; 625 ram_table->max_knee[i] = abm_settings[set][i].max_knee; 626 627 for (j = 0; j < NUM_AMBI_LEVEL; j++) { 628 ram_table->min_reduction[j][i] = abm_settings[set][i].min_reduction; 629 ram_table->max_reduction[j][i] = abm_settings[set][i].max_reduction; 630 ram_table->bright_pos_gain[j][i] = abm_settings[set][i].bright_pos_gain; 631 ram_table->dark_pos_gain[j][i] = abm_settings[set][i].dark_pos_gain; 632 } 633 } 634 635 ram_table->iir_curve[0] = 0x65; 636 ram_table->iir_curve[1] = 0x65; 637 ram_table->iir_curve[2] = 0x65; 638 ram_table->iir_curve[3] = 0x65; 639 ram_table->iir_curve[4] = 0x65; 640 641 //Gamma 2.2 642 ram_table->crgb_thresh[0] = bswap16_based_on_endian(big_endian, 0x127c); 643 ram_table->crgb_thresh[1] = bswap16_based_on_endian(big_endian, 0x151b); 644 ram_table->crgb_thresh[2] = bswap16_based_on_endian(big_endian, 0x17d5); 645 ram_table->crgb_thresh[3] = bswap16_based_on_endian(big_endian, 0x1a56); 646 ram_table->crgb_thresh[4] = bswap16_based_on_endian(big_endian, 0x1c83); 647 ram_table->crgb_thresh[5] = bswap16_based_on_endian(big_endian, 0x1e72); 648 ram_table->crgb_thresh[6] = bswap16_based_on_endian(big_endian, 0x20f0); 649 ram_table->crgb_thresh[7] = bswap16_based_on_endian(big_endian, 0x232b); 650 ram_table->crgb_offset[0] = bswap16_based_on_endian(big_endian, 0x2999); 651 ram_table->crgb_offset[1] = bswap16_based_on_endian(big_endian, 0x3999); 652 ram_table->crgb_offset[2] = bswap16_based_on_endian(big_endian, 0x4666); 653 ram_table->crgb_offset[3] = bswap16_based_on_endian(big_endian, 0x5999); 654 ram_table->crgb_offset[4] = bswap16_based_on_endian(big_endian, 0x6333); 655 ram_table->crgb_offset[5] = bswap16_based_on_endian(big_endian, 0x7800); 656 ram_table->crgb_offset[6] = bswap16_based_on_endian(big_endian, 0x8c00); 657 ram_table->crgb_offset[7] = bswap16_based_on_endian(big_endian, 0xa000); 658 ram_table->crgb_slope[0] = bswap16_based_on_endian(big_endian, 0x3609); 659 ram_table->crgb_slope[1] = bswap16_based_on_endian(big_endian, 0x2dfa); 660 ram_table->crgb_slope[2] = bswap16_based_on_endian(big_endian, 0x27ea); 661 ram_table->crgb_slope[3] = bswap16_based_on_endian(big_endian, 0x235d); 662 ram_table->crgb_slope[4] = bswap16_based_on_endian(big_endian, 0x2042); 663 ram_table->crgb_slope[5] = bswap16_based_on_endian(big_endian, 0x1dc3); 664 ram_table->crgb_slope[6] = bswap16_based_on_endian(big_endian, 0x1b1a); 665 ram_table->crgb_slope[7] = bswap16_based_on_endian(big_endian, 0x1910); 666 667 fill_backlight_transform_table_v_2_2( 668 params, ram_table, big_endian); 669 } 670 671 bool dmub_init_abm_config(struct resource_pool *res_pool, 672 struct dmcu_iram_parameters params, 673 unsigned int inst) 674 { 675 struct iram_table_v_2_2 ram_table; 676 struct abm_config_table config; 677 unsigned int set = params.set; 678 bool result = false; 679 uint32_t i, j = 0; 680 681 if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL) 682 return false; 683 684 memset(&ram_table, 0, sizeof(ram_table)); 685 memset(&config, 0, sizeof(config)); 686 687 fill_iram_v_2_3(&ram_table, params, false); 688 689 // We must copy to structure that is aligned to 32-bit 690 for (i = 0; i < NUM_POWER_FN_SEGS; i++) { 691 config.crgb_thresh[i] = ram_table.crgb_thresh[i]; 692 config.crgb_offset[i] = ram_table.crgb_offset[i]; 693 config.crgb_slope[i] = ram_table.crgb_slope[i]; 694 } 695 696 for (i = 0; i < NUM_BL_CURVE_SEGS; i++) { 697 config.backlight_thresholds[i] = ram_table.backlight_thresholds[i]; 698 config.backlight_offsets[i] = ram_table.backlight_offsets[i]; 699 } 700 701 for (i = 0; i < NUM_AMBI_LEVEL; i++) 702 config.iir_curve[i] = ram_table.iir_curve[i]; 703 704 for (i = 0; i < NUM_AMBI_LEVEL; i++) { 705 for (j = 0; j < NUM_AGGR_LEVEL; j++) { 706 config.min_reduction[i][j] = ram_table.min_reduction[i][j]; 707 config.max_reduction[i][j] = ram_table.max_reduction[i][j]; 708 config.bright_pos_gain[i][j] = ram_table.bright_pos_gain[i][j]; 709 config.dark_pos_gain[i][j] = ram_table.dark_pos_gain[i][j]; 710 } 711 } 712 713 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 714 config.hybrid_factor[i] = ram_table.hybrid_factor[i]; 715 config.contrast_factor[i] = ram_table.contrast_factor[i]; 716 config.deviation_gain[i] = ram_table.deviation_gain[i]; 717 config.min_knee[i] = ram_table.min_knee[i]; 718 config.max_knee[i] = ram_table.max_knee[i]; 719 } 720 721 if (params.backlight_ramping_override) { 722 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 723 config.blRampReduction[i] = params.backlight_ramping_reduction; 724 config.blRampStart[i] = params.backlight_ramping_start; 725 } 726 } else { 727 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 728 config.blRampReduction[i] = abm_settings[set][i].blRampReduction; 729 config.blRampStart[i] = abm_settings[set][i].blRampStart; 730 } 731 } 732 733 config.min_abm_backlight = ram_table.min_abm_backlight; 734 735 if (res_pool->multiple_abms[inst]) { 736 result = res_pool->multiple_abms[inst]->funcs->init_abm_config( 737 res_pool->multiple_abms[inst], (char *)(&config), sizeof(struct abm_config_table), inst); 738 } else 739 result = res_pool->abm->funcs->init_abm_config( 740 res_pool->abm, (char *)(&config), sizeof(struct abm_config_table), 0); 741 742 return result; 743 } 744 745 bool dmcu_load_iram(struct dmcu *dmcu, 746 struct dmcu_iram_parameters params) 747 { 748 unsigned char ram_table[IRAM_SIZE]; 749 bool result = false; 750 751 if (dmcu == NULL) 752 return false; 753 754 if (dmcu && !dmcu->funcs->is_dmcu_initialized(dmcu)) 755 return true; 756 757 memset(&ram_table, 0, sizeof(ram_table)); 758 759 if (dmcu->dmcu_version.abm_version == 0x24) { 760 fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); 761 result = dmcu->funcs->load_iram(dmcu, 0, (char *)(&ram_table), 762 IRAM_RESERVE_AREA_START_V2_2); 763 } else if (dmcu->dmcu_version.abm_version == 0x23) { 764 fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); 765 766 result = dmcu->funcs->load_iram( 767 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); 768 } else if (dmcu->dmcu_version.abm_version == 0x22) { 769 fill_iram_v_2_2((struct iram_table_v_2_2 *)ram_table, params); 770 771 result = dmcu->funcs->load_iram( 772 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); 773 } else { 774 fill_iram_v_2((struct iram_table_v_2 *)ram_table, params); 775 776 result = dmcu->funcs->load_iram( 777 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2); 778 779 if (result) 780 result = dmcu->funcs->load_iram( 781 dmcu, IRAM_RESERVE_AREA_END_V2 + 1, 782 (char *)(&ram_table) + IRAM_RESERVE_AREA_END_V2 + 1, 783 sizeof(ram_table) - IRAM_RESERVE_AREA_END_V2 - 1); 784 } 785 786 return result; 787 } 788 789 /* 790 * is_psr_su_specific_panel() - check if sink is AMD vendor-specific PSR-SU 791 * supported eDP device. 792 * 793 * @link: dc link pointer 794 * 795 * Return: true if AMDGPU vendor specific PSR-SU eDP panel 796 */ 797 bool is_psr_su_specific_panel(struct dc_link *link) 798 { 799 bool isPSRSUSupported = false; 800 struct dpcd_caps *dpcd_caps = &link->dpcd_caps; 801 802 if (dpcd_caps->edp_rev >= DP_EDP_14) { 803 if (dpcd_caps->psr_info.psr_version >= DP_PSR2_WITH_Y_COORD_ET_SUPPORTED) 804 isPSRSUSupported = true; 805 /* 806 * Some panels will report PSR capabilities over additional DPCD bits. 807 * Such panels are approved despite reporting only PSR v3, as long as 808 * the additional bits are reported. 809 */ 810 if (dpcd_caps->sink_dev_id == DP_BRANCH_DEVICE_ID_001CF8) { 811 /* 812 * This is the temporary workaround to disable PSRSU when system turned on 813 * DSC function on the sepcific sink. 814 */ 815 if (dpcd_caps->psr_info.psr_version < DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) 816 isPSRSUSupported = false; 817 else if (dpcd_caps->dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT && 818 ((dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x08) || 819 (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x07))) 820 isPSRSUSupported = false; 821 else if (dpcd_caps->psr_info.force_psrsu_cap == 0x1) 822 isPSRSUSupported = true; 823 } 824 } 825 826 return isPSRSUSupported; 827 } 828 829 /** 830 * mod_power_calc_psr_configs() - calculate/update generic psr configuration fields. 831 * @psr_config: [output], psr configuration structure to be updated 832 * @link: [input] dc link pointer 833 * @stream: [input] dc stream state pointer 834 * 835 * calculate and update the psr configuration fields that are not DM specific, i.e. such 836 * fields which are based on DPCD caps or timing information. To setup PSR in DMUB FW, 837 * this helper is assumed to be called before the call of the DC helper dc_link_setup_psr(). 838 * 839 * PSR config fields to be updated within the helper: 840 * - psr_rfb_setup_time 841 * - psr_sdp_transmit_line_num_deadline 842 * - line_time_in_us 843 * - su_y_granularity 844 * - su_granularity_required 845 * - psr_frame_capture_indication_req 846 * - psr_exit_link_training_required 847 * 848 * PSR config fields that are DM specific and NOT updated within the helper: 849 * - allow_smu_optimizations 850 * - allow_multi_disp_optimizations 851 */ 852 void mod_power_calc_psr_configs(struct psr_config *psr_config, 853 struct dc_link *link, 854 const struct dc_stream_state *stream) 855 { 856 unsigned int num_vblank_lines = 0; 857 unsigned int vblank_time_in_us = 0; 858 unsigned int sdp_tx_deadline_in_us = 0; 859 unsigned int line_time_in_us = 0; 860 struct dpcd_caps *dpcd_caps = &link->dpcd_caps; 861 const int psr_setup_time_step_in_us = 55; /* refer to eDP spec DPCD 0x071h */ 862 863 /* timing parameters */ 864 num_vblank_lines = stream->timing.v_total - 865 stream->timing.v_addressable - 866 stream->timing.v_border_top - 867 stream->timing.v_border_bottom; 868 869 vblank_time_in_us = (stream->timing.h_total * num_vblank_lines * 1000) / (stream->timing.pix_clk_100hz / 10); 870 871 line_time_in_us = ((stream->timing.h_total * 1000) / (stream->timing.pix_clk_100hz / 10)) + 1; 872 873 /** 874 * psr configuration fields 875 * 876 * as per eDP 1.5 pg. 377 of 459, DPCD 0x071h bits [3:1], psr setup time bits interpreted as below 877 * 000b <--> 330 us (default) 878 * 001b <--> 275 us 879 * 010b <--> 220 us 880 * 011b <--> 165 us 881 * 100b <--> 110 us 882 * 101b <--> 055 us 883 * 110b <--> 000 us 884 */ 885 psr_config->psr_rfb_setup_time = 886 (6 - dpcd_caps->psr_info.psr_dpcd_caps.bits.PSR_SETUP_TIME) * psr_setup_time_step_in_us; 887 888 if (psr_config->psr_rfb_setup_time > vblank_time_in_us) { 889 link->psr_settings.psr_frame_capture_indication_req = true; 890 link->psr_settings.psr_sdp_transmit_line_num_deadline = num_vblank_lines; 891 } else { 892 sdp_tx_deadline_in_us = vblank_time_in_us - psr_config->psr_rfb_setup_time; 893 894 /* Set the last possible line SDP may be transmitted without violating the RFB setup time */ 895 link->psr_settings.psr_frame_capture_indication_req = false; 896 link->psr_settings.psr_sdp_transmit_line_num_deadline = sdp_tx_deadline_in_us / line_time_in_us; 897 } 898 899 psr_config->psr_sdp_transmit_line_num_deadline = link->psr_settings.psr_sdp_transmit_line_num_deadline; 900 psr_config->line_time_in_us = line_time_in_us; 901 psr_config->su_y_granularity = dpcd_caps->psr_info.psr2_su_y_granularity_cap; 902 psr_config->su_granularity_required = dpcd_caps->psr_info.psr_dpcd_caps.bits.SU_GRANULARITY_REQUIRED; 903 psr_config->psr_frame_capture_indication_req = link->psr_settings.psr_frame_capture_indication_req; 904 psr_config->psr_exit_link_training_required = 905 !link->dpcd_caps.psr_info.psr_dpcd_caps.bits.LINK_TRAINING_ON_EXIT_NOT_REQUIRED; 906 } 907 908 bool mod_power_only_edp(const struct dc_state *context, const struct dc_stream_state *stream) 909 { 910 return context && context->stream_count == 1 && dc_is_embedded_signal(stream->signal); 911 } 912 913 bool psr_su_set_dsc_slice_height(struct dc *dc, struct dc_link *link, 914 struct dc_stream_state *stream, 915 struct psr_config *config) 916 { 917 uint16_t pic_height; 918 uint16_t slice_height; 919 920 config->dsc_slice_height = 0; 921 if ((link->connector_signal & SIGNAL_TYPE_EDP) && 922 (!dc->caps.edp_dsc_support || 923 link->panel_config.dsc.disable_dsc_edp || 924 !link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT || 925 !stream->timing.dsc_cfg.num_slices_v)) 926 return true; 927 928 pic_height = stream->timing.v_addressable + 929 stream->timing.v_border_top + stream->timing.v_border_bottom; 930 931 if (stream->timing.dsc_cfg.num_slices_v == 0) 932 return false; 933 934 slice_height = pic_height / stream->timing.dsc_cfg.num_slices_v; 935 config->dsc_slice_height = slice_height; 936 937 if (slice_height) { 938 if (config->su_y_granularity && 939 (slice_height % config->su_y_granularity)) { 940 ASSERT(0); 941 return false; 942 } 943 } 944 945 return true; 946 } 947