1 // SPDX-License-Identifier: MIT 2 // 3 // Copyright 2026 Advanced Micro Devices, Inc. 4 5 #include "dm_services.h" 6 #include "dc.h" 7 #include "mod_power.h" 8 #include "core_types.h" 9 #include "dmcu.h" 10 #include "abm.h" 11 #include "power_helpers.h" 12 #include "dce/dmub_psr.h" 13 #include "dal_asic_id.h" 14 #include "link_service.h" 15 #include <linux/math.h> 16 17 #define DC_TRACE_LEVEL_MESSAGE(...) /* do nothing */ 18 #define DC_TRACE_LEVEL_MESSAGEP(...) /* do nothing */ 19 20 #define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b)) 21 #define bswap16_based_on_endian(big_endian, value) \ 22 ((big_endian) ? cpu_to_be16(value) : cpu_to_le16(value)) 23 24 /* Possible Min Reduction config from least aggressive to most aggressive 25 * 0 1 2 3 4 5 6 7 8 9 10 11 12 26 * 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 % 27 */ 28 static const unsigned char min_reduction_table[13] = { 29 0xff, 0xfa, 0xf0, 0xf0, 0xd9, 0xcd, 0xc0, 0xb1, 0x99, 0x93, 0x80, 0x82, 0x66}; 30 31 /* Possible Max Reduction configs from least aggressive to most aggressive 32 * 0 1 2 3 4 5 6 7 8 9 10 11 12 33 * 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 % 34 */ 35 static const unsigned char max_reduction_table[13] = { 36 0xf5, 0xe5, 0xd9, 0xcd, 0xb1, 0xa5, 0xa5, 0x80, 0x65, 0x4d, 0x4d, 0x4d, 0x32}; 37 38 /* Possible ABM 2.2 Min Reduction configs from least aggressive to most aggressive 39 * 0 1 2 3 4 5 6 7 8 9 10 11 12 40 * 100 100 100 100 100 100 100 100 100 92.2 83.1 75.3 75.3 % 41 */ 42 static const unsigned char min_reduction_table_v_2_2[13] = { 43 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xd4, 0xc0, 0xc0}; 44 45 /* Possible ABM 2.2 Max Reduction configs from least aggressive to most aggressive 46 * 0 1 2 3 4 5 6 7 8 9 10 11 12 47 * 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 % 48 */ 49 static const unsigned char max_reduction_table_v_2_2[13] = { 50 0xf5, 0xe5, 0xbf, 0xb1, 0xa5, 0x85, 0x7c, 0x65, 0x4d, 0x40, 0x32, 0x20, 0x20}; 51 52 /* Predefined ABM configuration sets. We may have different configuration sets 53 * in order to satisfy different power/quality requirements. 54 */ 55 static const unsigned char abm_config[abm_defines_max_config][abm_defines_max_level] = { 56 /* ABM Level 1, ABM Level 2, ABM Level 3, ABM Level 4 */ 57 { 2, 5, 7, 8 }, /* Default - Medium aggressiveness */ 58 { 2, 5, 8, 11 }, /* Alt #1 - Increased aggressiveness */ 59 { 0, 2, 4, 8 }, /* Alt #2 - Minimal aggressiveness */ 60 { 3, 6, 10, 12 }, /* Alt #3 - Super aggressiveness */ 61 }; 62 63 struct abm_parameters { 64 unsigned char min_reduction; 65 unsigned char max_reduction; 66 unsigned char bright_pos_gain; 67 unsigned char dark_pos_gain; 68 unsigned char brightness_gain; 69 unsigned char contrast_factor; 70 unsigned char deviation_gain; 71 unsigned char min_knee; 72 unsigned char max_knee; 73 unsigned short blRampReduction; 74 unsigned short blRampStart; 75 }; 76 77 static const struct abm_parameters abm_settings_config0[abm_defines_max_level] = { 78 // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart 79 {0xff, 0xbf, 0x20, 0x00, 0xff, 0x99, 0xb3, 0x40, 0xe0, 0xf777, 0xcccc}, 80 {0xde, 0x85, 0x20, 0x00, 0xe0, 0x90, 0xa8, 0x40, 0xc8, 0xf777, 0xcccc}, 81 {0xb0, 0x50, 0x20, 0x00, 0xc0, 0x88, 0x78, 0x70, 0xa0, 0xeeee, 0x9999}, 82 {0x82, 0x40, 0x20, 0x00, 0x00, 0xb8, 0xb3, 0x70, 0x70, 0xe333, 0xb333}, 83 }; 84 85 static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = { 86 // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart 87 {0xf0, 0xd9, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 88 {0xcd, 0xa5, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 89 {0x99, 0x65, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 90 {0x82, 0x4d, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 91 }; 92 93 static const struct abm_parameters abm_settings_config2[abm_defines_max_level] = { 94 // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart 95 {0xf0, 0xbf, 0x20, 0x00, 0x88, 0x99, 0xb3, 0x40, 0xe0, 0x0000, 0xcccc}, 96 {0xd8, 0x85, 0x20, 0x00, 0x70, 0x90, 0xa8, 0x40, 0xc8, 0x0700, 0xb333}, 97 {0xb8, 0x58, 0x20, 0x00, 0x64, 0x88, 0x78, 0x70, 0xa0, 0x7000, 0x9999}, 98 {0x82, 0x40, 0x20, 0x00, 0x00, 0xb8, 0xb3, 0x70, 0x70, 0xc333, 0xb333}, 99 }; 100 101 static const struct abm_parameters * const abm_settings[] = { 102 abm_settings_config0, 103 abm_settings_config1, 104 abm_settings_config2, 105 }; 106 107 static const struct dm_bl_data_point custom_backlight_curve0[] = { 108 {2, 14}, {4, 16}, {6, 18}, {8, 21}, {10, 23}, {12, 26}, {14, 29}, {16, 32}, {18, 35}, 109 {20, 38}, {22, 41}, {24, 44}, {26, 48}, {28, 52}, {30, 55}, {32, 59}, {34, 62}, 110 {36, 67}, {38, 71}, {40, 75}, {42, 80}, {44, 84}, {46, 88}, {48, 93}, {50, 98}, 111 {52, 103}, {54, 108}, {56, 113}, {58, 118}, {60, 123}, {62, 129}, {64, 135}, {66, 140}, 112 {68, 146}, {70, 152}, {72, 158}, {74, 164}, {76, 171}, {78, 177}, {80, 183}, {82, 190}, 113 {84, 197}, {86, 204}, {88, 211}, {90, 218}, {92, 225}, {94, 232}, {96, 240}, {98, 247}}; 114 115 struct custom_backlight_profile { 116 uint8_t ac_level_percentage; 117 uint8_t dc_level_percentage; 118 uint8_t min_input_signal; 119 uint8_t max_input_signal; 120 uint8_t num_data_points; 121 const struct dm_bl_data_point *data_points; 122 }; 123 124 static const struct custom_backlight_profile custom_backlight_profiles[] = { 125 {100, 32, 12, 255, ARRAY_SIZE(custom_backlight_curve0), custom_backlight_curve0}, 126 }; 127 128 #define NUM_AMBI_LEVEL 5 129 #define NUM_AGGR_LEVEL 4 130 #define NUM_POWER_FN_SEGS 8 131 #define NUM_BL_CURVE_SEGS 16 132 #define IRAM_SIZE 256 133 134 #define IRAM_RESERVE_AREA_START_V2 0xF0 // reserve 0xF0~0xF6 are write by DMCU only 135 #define IRAM_RESERVE_AREA_END_V2 0xF6 // reserve 0xF0~0xF6 are write by DMCU only 136 137 #define IRAM_RESERVE_AREA_START_V2_2 0xF0 // reserve 0xF0~0xFF are write by DMCU only 138 #define IRAM_RESERVE_AREA_END_V2_2 0xFF // reserve 0xF0~0xFF are write by DMCU only 139 140 #pragma pack(push, 1) 141 /* NOTE: iRAM is 256B in size */ 142 struct iram_table_v_2 { 143 /* flags */ 144 uint16_t min_abm_backlight; /* 0x00 U16 */ 145 146 /* parameters for ABM2.0 algorithm */ 147 uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */ 148 uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */ 149 uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */ 150 uint8_t bright_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */ 151 uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x52 U2.6 */ 152 uint8_t dark_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x66 U2.6 */ 153 uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x7a U0.8 */ 154 uint8_t deviation_gain; /* 0x7f U0.8 */ 155 156 /* parameters for crgb conversion */ 157 uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */ 158 uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */ 159 uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */ 160 161 /* parameters for custom curve */ 162 /* thresholds for brightness --> backlight */ 163 uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */ 164 /* offsets for brightness --> backlight */ 165 uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */ 166 167 /* For reading PSR State directly from IRAM */ 168 uint8_t psr_state; /* 0xf0 */ 169 uint8_t dmcu_mcp_interface_version; /* 0xf1 */ 170 uint8_t dmcu_abm_feature_version; /* 0xf2 */ 171 uint8_t dmcu_psr_feature_version; /* 0xf3 */ 172 uint16_t dmcu_version; /* 0xf4 */ 173 uint8_t dmcu_state; /* 0xf6 */ 174 175 uint16_t blRampReduction; /* 0xf7 */ 176 uint16_t blRampStart; /* 0xf9 */ 177 uint8_t dummy5; /* 0xfb */ 178 uint8_t dummy6; /* 0xfc */ 179 uint8_t dummy7; /* 0xfd */ 180 uint8_t dummy8; /* 0xfe */ 181 uint8_t dummy9; /* 0xff */ 182 }; 183 184 struct iram_table_v_2_2 { 185 /* flags */ 186 uint16_t flags; /* 0x00 U16 */ 187 188 /* parameters for ABM2.2 algorithm */ 189 uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */ 190 uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */ 191 uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */ 192 uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */ 193 uint8_t hybrid_factor[NUM_AGGR_LEVEL]; /* 0x52 U0.8 */ 194 uint8_t contrast_factor[NUM_AGGR_LEVEL]; /* 0x56 U0.8 */ 195 uint8_t deviation_gain[NUM_AGGR_LEVEL]; /* 0x5a U0.8 */ 196 uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x5e U0.8 */ 197 uint8_t min_knee[NUM_AGGR_LEVEL]; /* 0x63 U0.8 */ 198 uint8_t max_knee[NUM_AGGR_LEVEL]; /* 0x67 U0.8 */ 199 uint16_t min_abm_backlight; /* 0x6b U16 */ 200 uint8_t pad[19]; /* 0x6d U0.8 */ 201 202 /* parameters for crgb conversion */ 203 uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */ 204 uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */ 205 uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */ 206 207 /* parameters for custom curve */ 208 /* thresholds for brightness --> backlight */ 209 uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */ 210 /* offsets for brightness --> backlight */ 211 uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */ 212 213 /* For reading PSR State directly from IRAM */ 214 uint8_t psr_state; /* 0xf0 */ 215 uint8_t dmcu_mcp_interface_version; /* 0xf1 */ 216 uint8_t dmcu_abm_feature_version; /* 0xf2 */ 217 uint8_t dmcu_psr_feature_version; /* 0xf3 */ 218 uint16_t dmcu_version; /* 0xf4 */ 219 uint8_t dmcu_state; /* 0xf6 */ 220 221 uint8_t dummy1; /* 0xf7 */ 222 uint8_t dummy2; /* 0xf8 */ 223 uint8_t dummy3; /* 0xf9 */ 224 uint8_t dummy4; /* 0xfa */ 225 uint8_t dummy5; /* 0xfb */ 226 uint8_t dummy6; /* 0xfc */ 227 uint8_t dummy7; /* 0xfd */ 228 uint8_t dummy8; /* 0xfe */ 229 uint8_t dummy9; /* 0xff */ 230 }; 231 #pragma pack(pop) 232 233 #define MOD_POWER_MAX_CONCURRENT_STREAMS 32 234 #define SMOOTH_BRIGHTNESS_ADJUSTMENT_TIME_IN_MS 500 235 236 237 238 struct backlight_state { 239 /* HW uses u16.16 format for backlight PWM */ 240 unsigned int backlight_pwm; 241 /* DM may call power module to set backlight 242 * targeting percent brightness 243 */ 244 unsigned int backlight_millipercent; 245 /* DM may call power module to set backlight based on an explicit 246 * nits value. 247 */ 248 unsigned int backlight_millinit; 249 unsigned int frame_ramp; 250 bool smooth_brightness_enabled; 251 bool isHDR; 252 }; 253 struct power_entity { 254 struct dc_stream_state *stream; 255 struct psr_caps *caps; 256 struct mod_power_psr_context *psr_context; 257 258 /*PSR cached properties*/ 259 bool psr_enabled; 260 unsigned int psr_events; 261 unsigned int psr_power_opt; 262 unsigned int replay_events; 263 }; 264 265 struct pwr_backlight_properties { 266 bool use_nits_based_brightness; 267 bool disable_fractional_pwm; 268 269 unsigned int min_abm_backlight; 270 unsigned int num_backlight_levels; 271 272 bool backlight_ramping_override; 273 unsigned int backlight_ramping_reduction; 274 unsigned int backlight_ramping_start; 275 276 /* Backlight cached properties */ 277 unsigned int ac_backlight_percent; 278 unsigned int dc_backlight_percent; 279 280 /* backlight LUT stored in HW u16.16 format*/ 281 unsigned int *backlight_lut; 282 unsigned int min_backlight_pwm; 283 unsigned int max_backlight_pwm; 284 unsigned int backlight_range; 285 286 /* Describes the panel's min and max luminance in millinits measured 287 * on full white screen, in min and max backlight settings. 288 */ 289 unsigned int min_brightness_millinits; 290 unsigned int max_brightness_millinits; 291 unsigned int nits_range; 292 293 bool backlight_caps_valid; 294 bool use_custom_backlight_caps; 295 unsigned int custom_backlight_caps_config_no; 296 bool use_linear_backlight_curve; 297 }; 298 299 struct dmcu_varibright_cached_properties { 300 unsigned int varibright_config_setting; 301 unsigned int varibright_level; 302 unsigned int varibright_hw_level; 303 unsigned int def_varibright_level; 304 bool varibright_user_enable; 305 bool varibright_active; 306 }; 307 308 struct core_power { 309 struct mod_power mod_public; 310 struct dc *dc; 311 struct power_entity *map; 312 struct dmcu_varibright_cached_properties varibright_prop; 313 struct pwr_backlight_properties bl_prop[MAX_NUM_EDP]; 314 struct backlight_state bl_state[MAX_NUM_EDP]; 315 unsigned int edp_num; 316 317 bool psr_smu_optimizations_support; 318 bool multi_disp_optimizations_support; 319 320 unsigned int num_entities; 321 }; 322 323 union dmcu_abm_set_bl_params { 324 struct { 325 unsigned int gradual_change : 1; /* [0:0] */ 326 unsigned int reserved : 15; /* [15:1] */ 327 unsigned int frame_ramp : 16; /* [31:16] */ 328 } bits; 329 unsigned int u32All; 330 }; 331 332 /* If system or panel does not report some sort of brightness percent to nits 333 * mapping, we will use following default values so backlight control using 334 * nits based interfaces will still work, but might not describe panel 335 * correctly. In this case percentage based backlight control should ideally 336 * be used. 337 * Min = 5 nits 338 * Max = 300 nits 339 */ 340 341 #define MOD_POWER_TO_CORE(mod_power)\ 342 container_of(mod_power, struct core_power, mod_public) 343 344 345 346 static uint16_t backlight_8_to_16(unsigned int backlight_8bit) 347 { 348 return (uint16_t)(backlight_8bit * 0x101); 349 } 350 351 unsigned int backlight_millipercent_to_millinit( 352 struct core_power *core_power, unsigned int millipercent, unsigned int inst) 353 { 354 unsigned int millinit = 0; 355 unsigned long long numerator = 0; 356 357 if (core_power == NULL) 358 return 0; 359 360 numerator = ((unsigned long long)millipercent) * 361 core_power->bl_prop[inst].nits_range; 362 millinit = ((unsigned int)div_u64(numerator, 100000)) + 363 core_power->bl_prop[inst].min_brightness_millinits; 364 365 return millinit; 366 } 367 368 static unsigned int backlight_millinit_to_millipercent( 369 struct core_power *core_power, unsigned int millinit, unsigned int inst) 370 { 371 unsigned int millipercent = 0; 372 unsigned long long numerator = 0; 373 374 if (core_power == NULL) 375 return 0; 376 377 if (millinit <= core_power->bl_prop[inst].min_brightness_millinits) 378 return 0; 379 380 if (millinit >= core_power->bl_prop[inst].max_brightness_millinits) 381 return (100 * 1000); 382 383 numerator = (((unsigned long long)millinit) - 384 core_power->bl_prop[inst].min_brightness_millinits) * 100000; 385 millipercent = ((unsigned int)div_u64(numerator, 386 core_power->bl_prop[inst].nits_range)); 387 388 return millipercent; 389 } 390 391 static unsigned int backlight_pwm_to_millipercent( 392 struct core_power *core_power, unsigned int pwm, unsigned int inst) 393 { 394 unsigned int millipercent = 0; 395 unsigned int max_index = 0; 396 397 if (core_power == NULL) 398 return 0; 399 400 if (!core_power->bl_prop[inst].backlight_caps_valid) 401 return 0; 402 403 /* Doesn't really make sense to have one single backlight level 404 * possible... 405 */ 406 if (core_power->bl_prop[inst].num_backlight_levels < 2) 407 return 0; 408 409 max_index = core_power->bl_prop[inst].num_backlight_levels - 1; 410 411 if (pwm <= core_power->bl_prop[inst].backlight_lut[0]) 412 return 0; 413 414 if (pwm > core_power->bl_prop[inst].backlight_lut[max_index]) 415 return (100 * 1000); 416 417 /* We need to do a binary search over the array for where the pwm level 418 * is in the lut. Based on the index we can determine percentage. 419 */ 420 unsigned int min = 0; 421 unsigned int max = max_index; 422 unsigned int mid = 0; 423 424 while (max >= min) { 425 mid = (min + max) / 2; /* floor of half range */ 426 427 if (core_power->bl_prop[inst].backlight_lut[mid] < pwm) 428 min = mid + 1; 429 else if (core_power->bl_prop[inst].backlight_lut[mid] > pwm) 430 max = mid - 1; 431 else 432 break; 433 } 434 435 /* In this case, exact match is not found. Check if mid/min/max 436 * value is actually closer. 437 */ 438 if (max < min) { 439 unsigned int min_delta; 440 unsigned int mid_delta; 441 unsigned int max_delta; 442 443 min_delta = (core_power->bl_prop[inst].backlight_lut[min] > pwm) ? 444 core_power->bl_prop[inst].backlight_lut[min] - pwm : 445 pwm - core_power->bl_prop[inst].backlight_lut[min]; 446 447 mid_delta = (core_power->bl_prop[inst].backlight_lut[mid] > pwm) ? 448 core_power->bl_prop[inst].backlight_lut[mid] - pwm : 449 pwm - core_power->bl_prop[inst].backlight_lut[mid]; 450 451 max_delta = (core_power->bl_prop[inst].backlight_lut[max] > pwm) ? 452 core_power->bl_prop[inst].backlight_lut[max] - pwm : 453 pwm - core_power->bl_prop[inst].backlight_lut[max]; 454 455 if ((min_delta < mid_delta) && (min_delta < max_delta)) 456 mid = min; 457 458 if ((max_delta < mid_delta) && (max_delta < min_delta)) 459 mid = max; 460 } 461 462 /* No interpolation, just take closest index */ 463 millipercent = 1000 * 100 * mid / max_index; 464 465 return millipercent; 466 } 467 468 static unsigned int backlight_pwm_to_millinit( 469 struct core_power *core_power, unsigned int pwm, unsigned int inst) 470 { 471 unsigned int millinit = 0; 472 473 if (core_power == NULL) 474 return 0; 475 476 if (pwm <= core_power->bl_prop[inst].min_backlight_pwm) 477 return core_power->bl_prop[inst].min_brightness_millinits; 478 479 if (pwm >= core_power->bl_prop[inst].max_backlight_pwm) 480 return core_power->bl_prop[inst].max_brightness_millinits; 481 482 millinit = ((unsigned int)div_u64(((unsigned long long)pwm - 483 core_power->bl_prop[inst].min_backlight_pwm) * 484 core_power->bl_prop[inst].nits_range, 485 core_power->bl_prop[inst].backlight_range)); 486 487 millinit += core_power->bl_prop[inst].min_brightness_millinits; 488 489 if (millinit > core_power->bl_prop[inst].max_brightness_millinits) 490 millinit = core_power->bl_prop[inst].max_brightness_millinits; 491 492 return millinit; 493 } 494 495 unsigned int backlight_millipercent_to_pwm( 496 struct core_power *core_power, unsigned int millipercent, unsigned int inst) 497 { 498 unsigned int pwm = (unsigned int)-1; 499 unsigned int index = 0; 500 501 if (core_power == NULL) 502 return 0; 503 504 // Bypass the brightness mapping LUT 505 if (core_power->bl_prop->use_linear_backlight_curve) { 506 pwm = core_power->bl_prop[inst].min_backlight_pwm + 507 (unsigned int) div_u64((unsigned long long) millipercent * 508 core_power->bl_prop[inst].backlight_range, 509 100000); 510 511 if (pwm > core_power->bl_prop[inst].max_backlight_pwm) 512 pwm = core_power->bl_prop[inst].max_backlight_pwm; 513 514 return pwm; 515 } 516 517 if (millipercent >= (100 * 1000)) 518 return core_power->bl_prop[inst].backlight_lut[core_power->bl_prop[inst].num_backlight_levels - 1]; 519 520 /* This will give the floor index. */ 521 index = ((core_power->bl_prop[inst].num_backlight_levels - 1) * 522 millipercent) / 100000; 523 /* Null check otherwise eDP doesn't lightup when connected to DP1 */ 524 if (core_power->bl_prop[inst].backlight_lut == NULL) 525 return pwm; 526 527 pwm = core_power->bl_prop[inst].backlight_lut[index]; 528 529 return pwm; 530 } 531 532 static unsigned int backlight_millinit_to_pwm( 533 struct core_power *core_power, unsigned int millinit, unsigned int inst) 534 { 535 unsigned int pwm = 0; 536 537 if (core_power == NULL) 538 return 0; 539 540 /* For nits based brightness, the signal will be a value 541 * between the minimum and maximum value. 542 */ 543 if (millinit >= core_power->bl_prop[inst].max_brightness_millinits) 544 return core_power->bl_prop[inst].max_backlight_pwm; 545 else if (millinit <= core_power->bl_prop[inst].min_brightness_millinits) 546 return core_power->bl_prop[inst].min_backlight_pwm; 547 548 pwm = ((unsigned int)div_u64(((unsigned long long)millinit - 549 core_power->bl_prop[inst].min_brightness_millinits) * 550 core_power->bl_prop[inst].backlight_range, 551 core_power->bl_prop[inst].nits_range)); 552 553 pwm += core_power->bl_prop[inst].min_backlight_pwm; 554 555 if (pwm > core_power->bl_prop[inst].max_backlight_pwm) 556 pwm = core_power->bl_prop[inst].max_backlight_pwm; 557 558 return pwm; 559 } 560 561 static bool validate_ext_backlight_caps( 562 struct dm_acpi_atif_backlight_caps *ext_backlight_caps) 563 { 564 unsigned int i; 565 unsigned int num_of_data_points = 0; 566 unsigned int last_signal_level = 0; 567 unsigned int last_luminance = 0; 568 569 num_of_data_points = ext_backlight_caps->num_data_points; 570 571 /* Validation rules: 572 * 1. BIOS should carry customized data points and 573 * the number of data points should not be larger than 99. 574 * 2. The max_input_signal should be larger than min_input_signal. 575 * 3. For each data point: 576 * a. luminance should be in ascending order and 577 * should not be 0 or 100 since the corresponding signal_level 578 * are assigned by min_input_signal and max_input_signal. 579 * b. signal_level should be in ascending order and 580 * be within the range of min/max_input_signal. 581 */ 582 if (num_of_data_points > BL_DATA_POINTS) 583 return false; 584 585 if (ext_backlight_caps->min_input_signal >= ext_backlight_caps->max_input_signal) 586 return false; 587 588 last_signal_level = ext_backlight_caps->min_input_signal; 589 for (i = 0; i < num_of_data_points; i++) { 590 unsigned int luminance = ext_backlight_caps->data_points[i].luminance; 591 unsigned int signal_level = ext_backlight_caps->data_points[i].signal_level; 592 593 if ((luminance <= last_luminance) || (luminance > BL_DATA_POINTS)) 594 return false; 595 596 if ((signal_level <= last_signal_level) || (signal_level >= ext_backlight_caps->max_input_signal)) 597 return false; 598 599 last_signal_level = signal_level; 600 last_luminance = luminance; 601 } 602 603 return true; 604 } 605 606 /* hard coded to default backlight curve. */ 607 void initialize_backlight_caps(struct core_power *core_power, unsigned int inst) 608 { 609 unsigned int i; 610 struct dm_acpi_atif_backlight_caps *ext_backlight_caps = NULL; 611 bool custom_curve_present = false; 612 unsigned int num_levels = 0; 613 struct dc *dc = NULL; 614 enum dm_acpi_display_type acpi_display_type = 615 (inst == 0) ? AcpiDisplayType_LCD1 : AcpiDisplayType_LCD2; 616 617 if (core_power == NULL) 618 return; 619 dc = core_power->dc; 620 621 num_levels = core_power->bl_prop[inst].num_backlight_levels; 622 623 /* Allocate memory for ATIF output 624 * (do not want to use 256 bytes on the stack) 625 */ 626 ext_backlight_caps = (struct dm_acpi_atif_backlight_caps *) 627 (kzalloc(sizeof(struct dm_acpi_atif_backlight_caps), 628 GFP_KERNEL)); 629 630 if (ext_backlight_caps == NULL) 631 return; 632 633 /* Retrieve ACPI extended brightness caps */ 634 if (dm_query_extended_brightness_caps 635 (dc->ctx, acpi_display_type, ext_backlight_caps)) { 636 custom_curve_present = validate_ext_backlight_caps(ext_backlight_caps); 637 } 638 639 if (core_power->bl_prop[inst].use_custom_backlight_caps && 640 fill_custom_backlight_caps( 641 core_power->bl_prop[inst].custom_backlight_caps_config_no, 642 ext_backlight_caps)) { 643 custom_curve_present = validate_ext_backlight_caps(ext_backlight_caps); 644 } 645 646 if (custom_curve_present) { 647 unsigned int index = 1; 648 unsigned int num_of_data_points = ext_backlight_caps->num_data_points; 649 650 core_power->bl_prop[inst].ac_backlight_percent = 651 ext_backlight_caps->ac_level_percentage; 652 core_power->bl_prop[inst].dc_backlight_percent = 653 ext_backlight_caps->dc_level_percentage; 654 core_power->bl_prop[inst].backlight_lut[0] = 655 backlight_8_to_16( 656 ext_backlight_caps->min_input_signal); 657 core_power->bl_prop[inst].backlight_lut[num_levels - 1] = 658 backlight_8_to_16( 659 ext_backlight_caps->max_input_signal); 660 661 /* Filling translation table from data points - 662 * between every two provided data points we 663 * lineary interpolate missing values 664 */ 665 for (i = 0; i < num_of_data_points; i++) { 666 unsigned int luminance = 667 ext_backlight_caps->data_points[i].luminance; 668 unsigned int signal_level = 669 backlight_8_to_16( 670 ext_backlight_caps->data_points[i].signal_level); 671 672 /* Since luminance is a percentage, scale it by num_levels*/ 673 luminance = (luminance * num_levels) / 101; 674 675 /* Lineary interpolate missing values */ 676 if (index < luminance) { 677 unsigned int base_value = 678 core_power->bl_prop[inst].backlight_lut[index-1]; 679 unsigned int delta_signal = 680 signal_level - base_value; 681 unsigned int delta_luma = 682 luminance - index + 1; 683 unsigned int step = delta_signal; 684 685 for (; index < luminance; index++) { 686 core_power->bl_prop[inst].backlight_lut[index] = 687 base_value + (step / delta_luma); 688 step += delta_signal; 689 } 690 } 691 692 /* Now [index == luminance], 693 * so we can add data point to the translation table 694 */ 695 core_power->bl_prop[inst].backlight_lut[index++] = signal_level; 696 } 697 698 /* Complete the final segment of interpolation - 699 * between last datapoint and maximum value 700 */ 701 if (index < num_levels - 1) { 702 unsigned int base_value = 703 core_power->bl_prop[inst].backlight_lut[index-1]; 704 unsigned int delta_signal = 705 core_power->bl_prop[inst].backlight_lut[num_levels - 1] - 706 base_value; 707 unsigned int delta_luma = num_levels - index; 708 unsigned int step = delta_signal; 709 710 for (; index < num_levels - 1; index++) { 711 core_power->bl_prop[inst].backlight_lut[index] = 712 base_value + (step / delta_luma); 713 step += delta_signal; 714 } 715 } 716 /* Build backlight translation table based on default curve */ 717 } else { 718 /* Defines default backlight curve F(x) = A(x*x) + Bx + C. 719 * 720 * Backlight curve should always satisfy: 721 * F(0) = min, F(100) = max, 722 * So polynom coefficients are: 723 * A is 0.0255 - B/100 - min/10000 - (255-max)/10000 = 724 * (max - min)/10000 - B/100 725 * B is adjustable factor to modify the curve. 726 * Bigger B results in less concave curve. 727 * B range is [0..(max-min)/100] 728 * C is backlight minimum 729 */ 730 unsigned int backlight_curve_coeff_a_factor = 731 num_levels * num_levels; 732 unsigned int backlight_curve_coeff_b = num_levels; 733 unsigned int delta = 734 core_power->bl_prop[inst].backlight_lut[num_levels - 1] - 735 core_power->bl_prop[inst].backlight_lut[0]; 736 unsigned int coeffC = core_power->bl_prop[inst].backlight_lut[0]; 737 unsigned int coeffB = 738 (backlight_curve_coeff_b < delta ? 739 backlight_curve_coeff_b : delta); 740 unsigned long long coeffA = delta - coeffB; /* coeffB is B*100 */ 741 742 for (i = 1; i < num_levels - 1; i++) { 743 uint64_t lut_val = div_u64(coeffA * i * i, backlight_curve_coeff_a_factor) + 744 div_u64((uint64_t)coeffB * i, backlight_curve_coeff_b) + coeffC; 745 746 ASSERT(lut_val <= 0xFFFFFFFF); 747 core_power->bl_prop[inst].backlight_lut[i] = (unsigned int)lut_val; 748 } 749 } 750 751 if (ext_backlight_caps != NULL) 752 kfree(ext_backlight_caps); 753 754 /* Successfully initialized */ 755 core_power->bl_prop[inst].backlight_caps_valid = true; 756 } 757 758 static void varibright_set_level(struct core_power *core_power) 759 { 760 if (!core_power->varibright_prop.varibright_active || 761 !core_power->varibright_prop.varibright_user_enable) 762 core_power->varibright_prop.varibright_hw_level = 0; 763 else 764 core_power->varibright_prop.varibright_hw_level = 765 core_power->varibright_prop.varibright_level; 766 } 767 768 bool mod_power_hw_init_backlight(struct mod_power *mod_power) 769 { 770 struct core_power *core_power = NULL; 771 struct dc *dc = NULL; 772 struct dmcu *dmcu = NULL; 773 struct dmcu_iram_parameters params; 774 unsigned int i; 775 776 if (mod_power == NULL) 777 return false; 778 779 core_power = MOD_POWER_TO_CORE(mod_power); 780 dc = core_power->dc; 781 782 for (i = 0; i < core_power->edp_num; i++) { 783 params.set = core_power->varibright_prop.varibright_config_setting; 784 params.backlight_ramping_override = core_power->bl_prop[i].backlight_ramping_override; 785 params.backlight_ramping_reduction = core_power->bl_prop[i].backlight_ramping_reduction; 786 params.backlight_ramping_start = core_power->bl_prop[i].backlight_ramping_start; 787 params.backlight_lut_array = core_power->bl_prop[i].backlight_lut; 788 params.backlight_lut_array_size = core_power->bl_prop[i].num_backlight_levels; 789 params.min_abm_backlight = core_power->bl_prop[i].min_abm_backlight; 790 791 dmcu = dc->res_pool->dmcu; 792 793 // In the case where abm is implemented on dmcub, 794 // dmcu object will be null. 795 // ABM 2.4 and up are implemented on dmcub. 796 if (dmcu) { 797 //DMCU does not support multiple eDP 798 return dmcu_load_iram(dmcu, params); 799 } else if (dc->ctx->dmub_srv) { 800 if (!dmub_init_abm_config(dc->res_pool, params, i)) 801 return false; 802 } else 803 return false; 804 } 805 return true; 806 } 807 808 void mod_power_update_backlight_on_mode_change( 809 struct core_power *core_power, 810 struct dc_link *link, 811 unsigned int panel_inst, 812 uint8_t aux_inst, 813 bool is_hdr) 814 { 815 struct set_backlight_level_params backlight_level_params = { 0 }; 816 817 if (link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1 || 818 link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1) 819 dc_link_set_backlight_level_nits(link, core_power->bl_state[panel_inst].isHDR, 820 core_power->bl_state[panel_inst].backlight_millinit, 0); 821 822 backlight_level_params.frame_ramp = 0; 823 824 fill_backlight_level_params(core_power, &backlight_level_params, panel_inst, aux_inst, 825 core_power->bl_state[panel_inst].backlight_pwm, link->backlight_control_type, 826 core_power->bl_state[panel_inst].backlight_millinit, 0, is_hdr); 827 828 dc_link_set_backlight_level(link, &backlight_level_params); 829 } 830 831 static bool set_backlight_millinits_aux(struct core_power *core_power, 832 struct dc_stream_state *stream, 833 unsigned int backlight_millinits, 834 unsigned int transition_time_millisec, 835 unsigned int inst) 836 { 837 struct dc_link *link = NULL; 838 839 if (core_power == NULL) 840 return false; 841 842 if (stream == NULL) 843 return true; 844 845 link = dc_stream_get_link(stream); 846 847 return dc_link_set_backlight_level_nits(link, core_power->bl_state[inst].isHDR, 848 backlight_millinits, transition_time_millisec); 849 } 850 851 static bool set_backlight(struct core_power *core_power, 852 struct dc_stream_state *stream, 853 struct set_backlight_level_params *backlight_level_params, 854 unsigned int inst) 855 { 856 bool retv = false; 857 unsigned int frame_ramp = 0; 858 unsigned int vsync_rate_hz; 859 union dmcu_abm_set_bl_params params; 860 const struct dc_link *link = NULL; 861 unsigned int backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16; 862 unsigned int transition_time_millisec = backlight_level_params->transition_time_in_ms; 863 864 if (core_power == NULL) 865 return false; 866 867 core_power->bl_state[inst].backlight_pwm = backlight_pwm_u16_16; 868 869 if (stream == NULL) 870 return true; 871 872 if (stream->link->connector_signal != SIGNAL_TYPE_EDP) 873 return false; 874 875 if (transition_time_millisec != 0) { 876 unsigned int v_total = 877 (stream->adjust.v_total_max == 0) ? stream->timing.v_total : stream->adjust.v_total_max; 878 879 vsync_rate_hz = (unsigned int)div_u64(div_u64((stream-> 880 timing.pix_clk_100hz * 100), 881 v_total), 882 stream->timing.h_total); 883 884 if (core_power->bl_state[inst].smooth_brightness_enabled) 885 frame_ramp = ((vsync_rate_hz * 886 transition_time_millisec) + 500) / 1000; 887 } 888 889 core_power->bl_state[inst].frame_ramp = frame_ramp; 890 params.u32All = 0; 891 params.bits.gradual_change = (frame_ramp > 0); 892 params.bits.frame_ramp = frame_ramp; 893 link = dc_stream_get_link(stream); 894 895 mod_power_set_psr_event(&core_power->mod_public, stream, true, psr_event_hw_programming, true); 896 mod_power_set_replay_event(&core_power->mod_public, stream, true, replay_event_hw_programming, true); 897 898 backlight_level_params->frame_ramp = params.u32All; 899 retv = dc_link_set_backlight_level(link, backlight_level_params); 900 901 mod_power_set_psr_event(&core_power->mod_public, stream, false, psr_event_hw_programming, false); 902 mod_power_set_replay_event(&core_power->mod_public, stream, false, replay_event_hw_programming, false); 903 904 return retv; 905 } 906 907 void fill_backlight_level_params(struct core_power *core_power, 908 struct set_backlight_level_params *backlight_level_params, 909 int panel_inst, uint8_t aux_inst, unsigned int backlight_pwm, 910 enum backlight_control_type backlight_control_type, 911 unsigned int backlight_millinit, unsigned int transition_time_millisec, 912 bool is_hdr) 913 { 914 struct pwr_backlight_properties *bl_prop = &core_power->bl_prop[panel_inst]; 915 916 backlight_level_params->aux_inst = aux_inst; 917 backlight_level_params->backlight_pwm_u16_16 = backlight_pwm; 918 backlight_level_params->control_type = backlight_control_type; 919 backlight_level_params->backlight_millinits = backlight_millinit; 920 backlight_level_params->transition_time_in_ms = transition_time_millisec; 921 backlight_level_params->min_luminance = bl_prop->min_brightness_millinits; 922 backlight_level_params->max_luminance = bl_prop->max_brightness_millinits; 923 backlight_level_params->min_backlight_pwm = bl_prop->min_backlight_pwm; 924 backlight_level_params->max_backlight_pwm = bl_prop->max_backlight_pwm; 925 926 if (backlight_control_type == BACKLIGHT_CONTROL_AMD_AUX && !is_hdr) 927 backlight_level_params->control_type = BACKLIGHT_CONTROL_PWM; 928 } 929 930 bool mod_power_set_backlight_nits(struct mod_power *mod_power, 931 struct dc_stream_state *stream, 932 unsigned int backlight_millinit, 933 unsigned int transition_time_millisec, 934 bool skip_aux, 935 bool is_hdr) 936 { 937 struct core_power *core_power = NULL; 938 unsigned int backlight_pwm; 939 unsigned int panel_inst = 0; 940 struct set_backlight_level_params backlight_level_params = { 0 }; 941 const struct dc_link *link = NULL; 942 uint8_t aux_inst = 0; 943 944 if (mod_power == NULL) 945 return false; 946 947 core_power = MOD_POWER_TO_CORE(mod_power); 948 link = dc_stream_get_link(stream); 949 950 ASSERT(link->ddc->ddc_pin->hw_info.ddc_channel <= 0xFF); 951 aux_inst = (uint8_t)link->ddc->ddc_pin->hw_info.ddc_channel; 952 953 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &panel_inst)) 954 return false; 955 956 if (!skip_aux) { 957 if (!set_backlight_millinits_aux(core_power, stream, 958 backlight_millinit, transition_time_millisec, panel_inst)) 959 return false; 960 } 961 // always send both AUX (above) and PWM (below) 962 core_power->bl_state[panel_inst].backlight_millinit = backlight_millinit; 963 964 core_power->bl_state[panel_inst].backlight_millipercent = 965 backlight_millinit_to_millipercent( 966 core_power, backlight_millinit, panel_inst); 967 968 backlight_pwm = backlight_millinit_to_pwm( 969 core_power, backlight_millinit, panel_inst); 970 971 fill_backlight_level_params(core_power, &backlight_level_params, panel_inst, aux_inst, backlight_pwm, 972 link->backlight_control_type, backlight_millinit, transition_time_millisec, is_hdr); 973 974 return set_backlight(core_power, stream, 975 &backlight_level_params, panel_inst); 976 } 977 978 bool mod_power_backlight_percent_to_nits(struct mod_power *mod_power, 979 struct dc_stream_state *stream, 980 unsigned int backlight_millipercent, 981 unsigned int *backlight_millinit) 982 { 983 struct core_power *core_power = NULL; 984 unsigned int inst = 0; 985 986 if (mod_power == NULL) 987 return false; 988 989 core_power = MOD_POWER_TO_CORE(mod_power); 990 991 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) 992 return false; 993 994 *backlight_millinit = backlight_millipercent_to_millinit( 995 core_power, backlight_millipercent, inst); 996 return true; 997 } 998 999 bool mod_power_backlight_nits_to_percent(struct mod_power *mod_power, 1000 struct dc_stream_state *stream, 1001 unsigned int backlight_millinit, 1002 unsigned int *backlight_millipercent) 1003 { 1004 struct core_power *core_power = NULL; 1005 unsigned int inst = 0; 1006 1007 if (mod_power == NULL) 1008 return false; 1009 1010 core_power = MOD_POWER_TO_CORE(mod_power); 1011 1012 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) 1013 return false; 1014 1015 *backlight_millipercent = backlight_millinit_to_millipercent( 1016 core_power, backlight_millinit, inst); 1017 return true; 1018 } 1019 1020 bool mod_power_set_backlight_percent(struct mod_power *mod_power, 1021 struct dc_stream_state *stream, 1022 unsigned int backlight_millipercent, 1023 unsigned int transition_time_millisec, 1024 bool is_hdr) 1025 { 1026 struct core_power *core_power = NULL; 1027 struct set_backlight_level_params backlight_level_params = { 0 }; 1028 const struct dc_link *link = NULL; 1029 unsigned int backlight_pwm; 1030 unsigned int panel_inst = 0; 1031 uint8_t aux_inst = 0; 1032 1033 if (mod_power == NULL) 1034 return false; 1035 1036 core_power = MOD_POWER_TO_CORE(mod_power); 1037 link = dc_stream_get_link(stream); 1038 ASSERT(link->ddc->ddc_pin->hw_info.ddc_channel <= 0xFF); 1039 aux_inst = (uint8_t)link->ddc->ddc_pin->hw_info.ddc_channel; 1040 1041 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &panel_inst)) 1042 return false; 1043 core_power->bl_state[panel_inst].backlight_millipercent = backlight_millipercent; 1044 1045 core_power->bl_state[panel_inst].backlight_millinit = 1046 backlight_millipercent_to_millinit( 1047 core_power, backlight_millipercent, panel_inst); 1048 1049 backlight_pwm = backlight_millipercent_to_pwm( 1050 core_power, backlight_millipercent, panel_inst); 1051 1052 fill_backlight_level_params(core_power, &backlight_level_params, panel_inst, 1053 aux_inst, backlight_pwm, link->backlight_control_type, 1054 core_power->bl_state[panel_inst].backlight_millinit, transition_time_millisec, is_hdr); 1055 1056 return set_backlight(core_power, stream, 1057 &backlight_level_params, panel_inst); 1058 } 1059 1060 void mod_power_update_backlight(struct mod_power *mod_power, 1061 struct dc_stream_state *stream, 1062 unsigned int backlight_millipercent) 1063 { 1064 struct core_power *core_power = NULL; 1065 unsigned int inst = 0; 1066 1067 if (mod_power == NULL) 1068 return; 1069 1070 core_power = MOD_POWER_TO_CORE(mod_power); 1071 1072 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) 1073 return; 1074 core_power->bl_state[inst].backlight_millipercent = backlight_millipercent; 1075 1076 core_power->bl_state[inst].backlight_millinit = 1077 backlight_millipercent_to_millinit( 1078 core_power, backlight_millipercent, inst); 1079 1080 core_power->bl_state[inst].backlight_pwm = backlight_millipercent_to_pwm( 1081 core_power, backlight_millipercent, inst); 1082 } 1083 1084 void mod_power_update_backlight_nits(struct mod_power *mod_power, 1085 struct dc_stream_state *stream, 1086 unsigned int backlight_millinit) 1087 { 1088 struct core_power *core_power = NULL; 1089 unsigned int inst = 0; 1090 1091 if (mod_power == NULL) 1092 return; 1093 1094 core_power = MOD_POWER_TO_CORE(mod_power); 1095 1096 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) 1097 return; 1098 1099 core_power->bl_state[inst].backlight_millinit = backlight_millinit; 1100 1101 core_power->bl_state[inst].backlight_millipercent = backlight_millinit_to_millipercent( 1102 core_power, backlight_millinit, inst); 1103 core_power->bl_state[inst].backlight_pwm = backlight_millinit_to_pwm( 1104 core_power, backlight_millinit, inst); 1105 } 1106 1107 bool mod_power_get_backlight_pwm(struct mod_power *mod_power, 1108 unsigned int *backlight_pwm, 1109 unsigned int inst) 1110 { 1111 struct core_power *core_power = NULL; 1112 1113 if (mod_power == NULL) 1114 return false; 1115 1116 core_power = MOD_POWER_TO_CORE(mod_power); 1117 1118 *backlight_pwm = core_power->bl_state[inst].backlight_pwm; 1119 1120 return true; 1121 } 1122 1123 bool mod_power_get_backlight_nits(struct mod_power *mod_power, 1124 unsigned int *backlight_millinit, 1125 unsigned int inst) 1126 { 1127 struct core_power *core_power = NULL; 1128 1129 if (mod_power == NULL) 1130 return false; 1131 1132 core_power = MOD_POWER_TO_CORE(mod_power); 1133 1134 *backlight_millinit = core_power->bl_state[inst].backlight_millinit; 1135 1136 return true; 1137 } 1138 1139 bool mod_power_get_backlight_percent(struct mod_power *mod_power, 1140 unsigned int *backlight_millipercent, 1141 unsigned int inst) 1142 { 1143 struct core_power *core_power = NULL; 1144 1145 if (mod_power == NULL) 1146 return false; 1147 1148 core_power = MOD_POWER_TO_CORE(mod_power); 1149 1150 *backlight_millipercent = core_power->bl_state[inst].backlight_millipercent; 1151 1152 return true; 1153 } 1154 1155 bool mod_power_get_hw_target_backlight_pwm_nits(struct mod_power *mod_power, 1156 const struct dc_link *link, 1157 unsigned int *backlight_millinit, 1158 unsigned int inst) 1159 { 1160 struct core_power *core_power = NULL; 1161 unsigned int backlight_u16_16 = 0; 1162 1163 if (mod_power == NULL) 1164 return false; 1165 1166 core_power = MOD_POWER_TO_CORE(mod_power); 1167 1168 if (mod_power_get_hw_target_backlight_pwm(mod_power, link, 1169 &backlight_u16_16)) { 1170 *backlight_millinit = 1171 backlight_pwm_to_millinit(core_power, 1172 backlight_u16_16, inst); 1173 return true; 1174 } 1175 return false; 1176 } 1177 1178 bool mod_power_get_hw_target_backlight_pwm_percent(struct mod_power *mod_power, 1179 const struct dc_link *link, 1180 unsigned int *backlight_millipercent, 1181 unsigned int inst) 1182 { 1183 struct core_power *core_power = NULL; 1184 unsigned int backlight_u16_16 = 0; 1185 1186 if (mod_power == NULL) 1187 return false; 1188 1189 core_power = MOD_POWER_TO_CORE(mod_power); 1190 1191 if (mod_power_get_hw_target_backlight_pwm(mod_power, link, 1192 &backlight_u16_16)) { 1193 *backlight_millipercent = 1194 backlight_pwm_to_millipercent(core_power, 1195 backlight_u16_16, inst); 1196 return true; 1197 } 1198 return false; 1199 } 1200 1201 bool mod_power_get_hw_target_backlight_pwm(struct mod_power *mod_power, 1202 const struct dc_link *link, 1203 unsigned int *backlight_u16_16) 1204 { 1205 if (mod_power == NULL) 1206 return false; 1207 1208 *backlight_u16_16 = dc_link_get_target_backlight_pwm(link); 1209 1210 return true; 1211 } 1212 1213 bool mod_power_get_hw_backlight_pwm_nits(struct mod_power *mod_power, 1214 const struct dc_link *link, 1215 unsigned int *backlight_millinit, 1216 unsigned int inst) 1217 { 1218 struct core_power *core_power = NULL; 1219 unsigned int backlight_u16_16 = 0; 1220 1221 if (mod_power == NULL) 1222 return false; 1223 1224 core_power = MOD_POWER_TO_CORE(mod_power); 1225 1226 if (mod_power_get_hw_backlight_pwm(mod_power, link, &backlight_u16_16)) { 1227 *backlight_millinit = 1228 backlight_pwm_to_millinit(core_power, 1229 backlight_u16_16, inst); 1230 return true; 1231 } 1232 return false; 1233 } 1234 1235 bool mod_power_get_hw_backlight_aux_nits(struct mod_power *mod_power, 1236 struct dc_stream_state **streams, int num_streams, 1237 unsigned int *backlight_millinit_avg, 1238 unsigned int *backlight_millinit_peak) 1239 { 1240 struct core_power *core_power = NULL; 1241 struct dc_link *link = NULL; 1242 int stream_index; 1243 1244 if (mod_power == NULL) 1245 return false; 1246 1247 core_power = MOD_POWER_TO_CORE(mod_power); 1248 1249 if (core_power == NULL) 1250 return false; 1251 1252 if (num_streams < 1) 1253 return true; 1254 1255 for (stream_index = 0; stream_index < num_streams; stream_index++) 1256 if (streams[stream_index]->link->connector_signal == SIGNAL_TYPE_EDP || 1257 streams[stream_index]->link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) 1258 break; 1259 1260 if (stream_index == num_streams) 1261 return false; 1262 1263 link = dc_stream_get_link(streams[stream_index]); 1264 if (link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 0) 1265 return false; 1266 1267 return dc_link_get_backlight_level_nits(link, backlight_millinit_avg, 1268 backlight_millinit_peak); 1269 } 1270 1271 bool mod_power_get_hw_backlight_pwm_percent(struct mod_power *mod_power, 1272 const struct dc_link *link, 1273 unsigned int *backlight_millipercent, 1274 unsigned int inst) 1275 { 1276 struct core_power *core_power = NULL; 1277 unsigned int backlight_u16_16 = 0; 1278 1279 if (mod_power == NULL) 1280 return false; 1281 1282 core_power = MOD_POWER_TO_CORE(mod_power); 1283 1284 if (mod_power_get_hw_backlight_pwm(mod_power, link, &backlight_u16_16)) { 1285 *backlight_millipercent = 1286 backlight_pwm_to_millipercent(core_power, 1287 backlight_u16_16, inst); 1288 return true; 1289 } 1290 return false; 1291 } 1292 1293 bool mod_power_get_hw_backlight_pwm(struct mod_power *mod_power, 1294 const struct dc_link *link, 1295 unsigned int *backlight_u16_16) 1296 { 1297 if (mod_power == NULL) 1298 return false; 1299 1300 *backlight_u16_16 = dc_link_get_backlight_level(link); 1301 1302 return true; 1303 } 1304 1305 bool mod_power_get_panel_backlight_boundaries( 1306 struct mod_power *mod_power, 1307 unsigned int *out_min_backlight, 1308 unsigned int *out_max_backlight, 1309 unsigned int *out_ac_backlight_percent, 1310 unsigned int *out_dc_backlight_percent, 1311 unsigned int inst) 1312 { 1313 struct core_power *core_power = NULL; 1314 1315 if (mod_power == NULL) 1316 return false; 1317 1318 core_power = MOD_POWER_TO_CORE(mod_power); 1319 1320 /* If cache was successfully updated, 1321 * copy the values to output structure and return success 1322 */ 1323 if (core_power->bl_prop[inst].backlight_caps_valid) { 1324 *out_min_backlight = core_power->bl_prop[inst].backlight_lut[0]; 1325 *out_max_backlight = 1326 core_power->bl_prop[inst].backlight_lut[ 1327 core_power->bl_prop[inst].num_backlight_levels - 1]; 1328 *out_ac_backlight_percent = 1329 core_power->bl_prop[inst].ac_backlight_percent; 1330 *out_dc_backlight_percent = 1331 core_power->bl_prop[inst].dc_backlight_percent; 1332 1333 return true; 1334 } 1335 1336 return false; 1337 } 1338 1339 bool mod_power_set_smooth_brightness(struct mod_power *mod_power, 1340 bool enable_brightness, 1341 unsigned int inst) 1342 { 1343 struct core_power *core_power = NULL; 1344 1345 if (mod_power == NULL) 1346 return false; 1347 1348 core_power = MOD_POWER_TO_CORE(mod_power); 1349 1350 core_power->bl_state[inst].smooth_brightness_enabled = enable_brightness; 1351 1352 return true; 1353 } 1354 1355 bool mod_power_varibright_feature_enable(struct mod_power *mod_power, bool enable, 1356 struct dc_stream_update *stream_update) 1357 { 1358 struct core_power *core_power = NULL; 1359 1360 if (mod_power == NULL) 1361 return false; 1362 1363 core_power = MOD_POWER_TO_CORE(mod_power); 1364 core_power->varibright_prop.varibright_user_enable = enable; 1365 1366 /* find abm hw level to program, and save in stream update */ 1367 varibright_set_level(core_power); 1368 *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; 1369 1370 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1371 WPP_BIT_FLAG_Backlight_ABM, 1372 ">ABM feature enable: enable=%u su->varibright_level=%u varibright_hw_level=%u", 1373 (unsigned int) enable, 1374 *stream_update->abm_level, 1375 core_power->varibright_prop.varibright_hw_level); 1376 return true; 1377 } 1378 1379 bool mod_power_varibright_activate(struct mod_power *mod_power, 1380 bool activate, 1381 struct dc_stream_update *stream_update) 1382 { 1383 struct core_power *core_power = NULL; 1384 1385 if (mod_power == NULL) 1386 return false; 1387 1388 core_power = MOD_POWER_TO_CORE(mod_power); 1389 core_power->varibright_prop.varibright_active = activate; 1390 1391 /* find abm hw level to program, and save in stream update */ 1392 varibright_set_level(core_power); 1393 *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; 1394 1395 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1396 WPP_BIT_FLAG_Backlight_ABM, 1397 ">ABM activate: activate=%u su->varibright_level=%u", 1398 (unsigned int) activate, 1399 *stream_update->abm_level); 1400 return true; 1401 } 1402 bool mod_power_varibright_set_level(struct mod_power *mod_power, unsigned int level, 1403 struct dc_stream_update *stream_update) 1404 { 1405 struct core_power *core_power = NULL; 1406 1407 if (mod_power == NULL) 1408 return false; 1409 1410 core_power = MOD_POWER_TO_CORE(mod_power); 1411 core_power->varibright_prop.varibright_level = level; 1412 core_power->varibright_prop.varibright_hw_level = level; 1413 1414 /* find abm hw level to program, and save in stream update */ 1415 varibright_set_level(core_power); 1416 *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; 1417 1418 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1419 WPP_BIT_FLAG_Backlight_ABM, 1420 ">ABM set level: level=%u -> (varibright_level=%u varibright_hw_level=%u) -> su->varibright_level=%u", 1421 level, 1422 core_power->varibright_prop.varibright_level, 1423 core_power->varibright_prop.varibright_hw_level, 1424 *stream_update->abm_level); 1425 return true; 1426 } 1427 1428 bool mod_power_varibright_set_hw_level(struct mod_power *mod_power, unsigned int level, 1429 struct dc_stream_update *stream_update) 1430 { 1431 struct core_power *core_power = NULL; 1432 1433 if (mod_power == NULL) 1434 return false; 1435 1436 core_power = MOD_POWER_TO_CORE(mod_power); 1437 1438 if (level == 0 || level == ABM_LEVEL_IMMEDIATE_DISABLE) 1439 core_power->varibright_prop.varibright_active = 0; 1440 else 1441 core_power->varibright_prop.varibright_active = 1; 1442 core_power->varibright_prop.varibright_hw_level = level; 1443 *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; 1444 1445 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1446 WPP_BIT_FLAG_Backlight_ABM, 1447 ">ABM set level: level=%u -> (varibright_level=%u varibright_hw_level=%u) -> su->varibright_level=%u", 1448 level, 1449 core_power->varibright_prop.varibright_level, 1450 core_power->varibright_prop.varibright_hw_level, 1451 *stream_update->abm_level); 1452 return true; 1453 } 1454 1455 bool mod_power_get_varibright_level(struct mod_power *mod_power, 1456 unsigned int *varibright_level) 1457 { 1458 struct core_power *core_power = NULL; 1459 1460 if (mod_power == NULL) 1461 return false; 1462 1463 core_power = MOD_POWER_TO_CORE(mod_power); 1464 1465 *varibright_level = core_power->varibright_prop.varibright_level; 1466 1467 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1468 WPP_BIT_FLAG_Backlight_ABM, 1469 ">get varibright level: cp->varibright_level=%u", 1470 *varibright_level); 1471 return true; 1472 1473 } 1474 1475 bool mod_power_get_varibright_hw_level(struct mod_power *mod_power, 1476 unsigned int *varibright_level) 1477 { 1478 struct core_power *core_power = NULL; 1479 1480 if (mod_power == NULL) 1481 return false; 1482 1483 core_power = MOD_POWER_TO_CORE(mod_power); 1484 1485 *varibright_level = core_power->varibright_prop.varibright_hw_level; 1486 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1487 WPP_BIT_FLAG_Backlight_ABM, 1488 ">get varibright HW level: hw_level=%u", 1489 *varibright_level); 1490 return true; 1491 } 1492 1493 bool mod_power_get_varibright_default_level(struct mod_power *mod_power, 1494 unsigned int *varibright_level) 1495 { 1496 struct core_power *core_power = NULL; 1497 1498 if (mod_power == NULL) 1499 return false; 1500 1501 core_power = MOD_POWER_TO_CORE(mod_power); 1502 1503 *varibright_level = core_power->varibright_prop.def_varibright_level; 1504 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1505 WPP_BIT_FLAG_Backlight_ABM, 1506 ">get varibright default level: def_varibright_level=%u", 1507 *varibright_level); 1508 return true; 1509 } 1510 1511 bool mod_power_get_varibright_enable(struct mod_power *mod_power, 1512 bool *varibright_enable) 1513 { 1514 struct core_power *core_power = NULL; 1515 1516 if (mod_power == NULL) 1517 return false; 1518 1519 core_power = MOD_POWER_TO_CORE(mod_power); 1520 1521 *varibright_enable = core_power->varibright_prop.varibright_user_enable; 1522 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1523 WPP_BIT_FLAG_Backlight_ABM, 1524 ">get varibright enable state: varibright_user_enable=%u", 1525 (unsigned int) (*varibright_enable)); 1526 return true; 1527 } 1528 1529 bool mod_power_is_abm_active(struct mod_power *mod_power, 1530 const struct dc_link *link, 1531 unsigned int inst) 1532 { 1533 unsigned int user_backlight = 0; 1534 unsigned int current_backlight = 0; 1535 bool is_active = false; 1536 1537 if (mod_power == NULL) 1538 return false; 1539 1540 mod_power_get_backlight_pwm(mod_power, &user_backlight, inst); 1541 mod_power_get_hw_backlight_pwm(mod_power, link, ¤t_backlight); 1542 1543 if (user_backlight != current_backlight) 1544 is_active = true; 1545 else 1546 is_active = false; 1547 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1548 WPP_BIT_FLAG_Backlight_ABM, 1549 ">get ABM active state: is_active=%u (user_backlight_pwm=%u, current_backlight_pwm=%u)", 1550 (unsigned int)is_active, 1551 user_backlight, 1552 current_backlight); 1553 return is_active; 1554 } 1555 1556 static void fill_backlight_transform_table(struct dmcu_iram_parameters params, 1557 struct iram_table_v_2 *table) 1558 { 1559 unsigned int i; 1560 unsigned int num_entries = NUM_BL_CURVE_SEGS; 1561 unsigned int lut_index; 1562 1563 table->backlight_thresholds[0] = 0; 1564 ASSERT(params.backlight_lut_array[0] <= 0xFFFF); 1565 table->backlight_offsets[0] = (uint16_t)params.backlight_lut_array[0]; 1566 table->backlight_thresholds[num_entries-1] = 0xFFFF; 1567 ASSERT(params.backlight_lut_array[params.backlight_lut_array_size - 1] <= 0xFFFF); 1568 table->backlight_offsets[num_entries-1] = 1569 (uint16_t)params.backlight_lut_array[params.backlight_lut_array_size - 1]; 1570 1571 /* Setup all brightness levels between 0% and 100% exclusive 1572 * Fills brightness-to-backlight transform table. Backlight custom curve 1573 * describes transform from brightness to backlight. It will be defined 1574 * as set of thresholds and set of offsets, together, implying 1575 * extrapolation of custom curve into 16 uniformly spanned linear 1576 * segments. Each threshold/offset represented by 16 bit entry in 1577 * format U4.10. 1578 */ 1579 for (i = 1; i+1 < num_entries; i++) { 1580 lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1); 1581 1582 ASSERT(lut_index < params.backlight_lut_array_size); 1583 1584 unsigned int threshold_val = DIV_ROUNDUP((i * 65536), num_entries); 1585 unsigned int offset_val = params.backlight_lut_array[lut_index]; 1586 1587 ASSERT(threshold_val <= 0xFFFF); 1588 ASSERT(offset_val <= 0xFFFF); 1589 1590 table->backlight_thresholds[i] = cpu_to_be16((uint16_t)threshold_val); 1591 table->backlight_offsets[i] = cpu_to_be16((uint16_t)offset_val); 1592 } 1593 } 1594 1595 static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters params, 1596 struct iram_table_v_2_2 *table, bool big_endian) 1597 { 1598 unsigned int i; 1599 unsigned int num_entries = NUM_BL_CURVE_SEGS; 1600 unsigned int lut_index; 1601 1602 table->backlight_thresholds[0] = 0; 1603 ASSERT(params.backlight_lut_array[0] <= 0xFFFF); 1604 table->backlight_offsets[0] = (uint16_t)params.backlight_lut_array[0]; 1605 table->backlight_thresholds[num_entries-1] = 0xFFFF; 1606 ASSERT(params.backlight_lut_array[params.backlight_lut_array_size - 1] <= 0xFFFF); 1607 table->backlight_offsets[num_entries-1] = 1608 (uint16_t)params.backlight_lut_array[params.backlight_lut_array_size - 1]; 1609 1610 /* Setup all brightness levels between 0% and 100% exclusive 1611 * Fills brightness-to-backlight transform table. Backlight custom curve 1612 * describes transform from brightness to backlight. It will be defined 1613 * as set of thresholds and set of offsets, together, implying 1614 * extrapolation of custom curve into 16 uniformly spanned linear 1615 * segments. Each threshold/offset represented by 16 bit entry in 1616 * format U4.10. 1617 */ 1618 for (i = 1; i+1 < num_entries; i++) { 1619 lut_index = DIV_ROUNDUP((i * params.backlight_lut_array_size), num_entries); 1620 ASSERT(lut_index < params.backlight_lut_array_size); 1621 1622 unsigned int threshold_val = DIV_ROUNDUP((i * 65536), num_entries); 1623 unsigned int offset_val = params.backlight_lut_array[lut_index]; 1624 1625 ASSERT(threshold_val <= 0xFFFF); 1626 ASSERT(offset_val <= 0xFFFF); 1627 1628 table->backlight_thresholds[i] = (big_endian) ? 1629 cpu_to_be16((uint16_t)threshold_val) : cpu_to_le16((uint16_t)threshold_val); 1630 table->backlight_offsets[i] = (big_endian) ? 1631 cpu_to_be16((uint16_t)offset_val) : cpu_to_le16((uint16_t)offset_val); 1632 } 1633 } 1634 1635 static void fill_iram_v_2(struct iram_table_v_2 *ram_table, struct dmcu_iram_parameters params) 1636 { 1637 unsigned int set = params.set; 1638 1639 ram_table->min_abm_backlight = 1640 cpu_to_be16(params.min_abm_backlight); 1641 ram_table->deviation_gain = 0xb3; 1642 1643 ram_table->blRampReduction = 1644 cpu_to_be16(params.backlight_ramping_reduction); 1645 ram_table->blRampStart = 1646 cpu_to_be16(params.backlight_ramping_start); 1647 1648 ram_table->min_reduction[0][0] = min_reduction_table[abm_config[set][0]]; 1649 ram_table->min_reduction[1][0] = min_reduction_table[abm_config[set][0]]; 1650 ram_table->min_reduction[2][0] = min_reduction_table[abm_config[set][0]]; 1651 ram_table->min_reduction[3][0] = min_reduction_table[abm_config[set][0]]; 1652 ram_table->min_reduction[4][0] = min_reduction_table[abm_config[set][0]]; 1653 ram_table->max_reduction[0][0] = max_reduction_table[abm_config[set][0]]; 1654 ram_table->max_reduction[1][0] = max_reduction_table[abm_config[set][0]]; 1655 ram_table->max_reduction[2][0] = max_reduction_table[abm_config[set][0]]; 1656 ram_table->max_reduction[3][0] = max_reduction_table[abm_config[set][0]]; 1657 ram_table->max_reduction[4][0] = max_reduction_table[abm_config[set][0]]; 1658 1659 ram_table->min_reduction[0][1] = min_reduction_table[abm_config[set][1]]; 1660 ram_table->min_reduction[1][1] = min_reduction_table[abm_config[set][1]]; 1661 ram_table->min_reduction[2][1] = min_reduction_table[abm_config[set][1]]; 1662 ram_table->min_reduction[3][1] = min_reduction_table[abm_config[set][1]]; 1663 ram_table->min_reduction[4][1] = min_reduction_table[abm_config[set][1]]; 1664 ram_table->max_reduction[0][1] = max_reduction_table[abm_config[set][1]]; 1665 ram_table->max_reduction[1][1] = max_reduction_table[abm_config[set][1]]; 1666 ram_table->max_reduction[2][1] = max_reduction_table[abm_config[set][1]]; 1667 ram_table->max_reduction[3][1] = max_reduction_table[abm_config[set][1]]; 1668 ram_table->max_reduction[4][1] = max_reduction_table[abm_config[set][1]]; 1669 1670 ram_table->min_reduction[0][2] = min_reduction_table[abm_config[set][2]]; 1671 ram_table->min_reduction[1][2] = min_reduction_table[abm_config[set][2]]; 1672 ram_table->min_reduction[2][2] = min_reduction_table[abm_config[set][2]]; 1673 ram_table->min_reduction[3][2] = min_reduction_table[abm_config[set][2]]; 1674 ram_table->min_reduction[4][2] = min_reduction_table[abm_config[set][2]]; 1675 ram_table->max_reduction[0][2] = max_reduction_table[abm_config[set][2]]; 1676 ram_table->max_reduction[1][2] = max_reduction_table[abm_config[set][2]]; 1677 ram_table->max_reduction[2][2] = max_reduction_table[abm_config[set][2]]; 1678 ram_table->max_reduction[3][2] = max_reduction_table[abm_config[set][2]]; 1679 ram_table->max_reduction[4][2] = max_reduction_table[abm_config[set][2]]; 1680 1681 ram_table->min_reduction[0][3] = min_reduction_table[abm_config[set][3]]; 1682 ram_table->min_reduction[1][3] = min_reduction_table[abm_config[set][3]]; 1683 ram_table->min_reduction[2][3] = min_reduction_table[abm_config[set][3]]; 1684 ram_table->min_reduction[3][3] = min_reduction_table[abm_config[set][3]]; 1685 ram_table->min_reduction[4][3] = min_reduction_table[abm_config[set][3]]; 1686 ram_table->max_reduction[0][3] = max_reduction_table[abm_config[set][3]]; 1687 ram_table->max_reduction[1][3] = max_reduction_table[abm_config[set][3]]; 1688 ram_table->max_reduction[2][3] = max_reduction_table[abm_config[set][3]]; 1689 ram_table->max_reduction[3][3] = max_reduction_table[abm_config[set][3]]; 1690 ram_table->max_reduction[4][3] = max_reduction_table[abm_config[set][3]]; 1691 1692 ram_table->bright_pos_gain[0][0] = 0x20; 1693 ram_table->bright_pos_gain[0][1] = 0x20; 1694 ram_table->bright_pos_gain[0][2] = 0x20; 1695 ram_table->bright_pos_gain[0][3] = 0x20; 1696 ram_table->bright_pos_gain[1][0] = 0x20; 1697 ram_table->bright_pos_gain[1][1] = 0x20; 1698 ram_table->bright_pos_gain[1][2] = 0x20; 1699 ram_table->bright_pos_gain[1][3] = 0x20; 1700 ram_table->bright_pos_gain[2][0] = 0x20; 1701 ram_table->bright_pos_gain[2][1] = 0x20; 1702 ram_table->bright_pos_gain[2][2] = 0x20; 1703 ram_table->bright_pos_gain[2][3] = 0x20; 1704 ram_table->bright_pos_gain[3][0] = 0x20; 1705 ram_table->bright_pos_gain[3][1] = 0x20; 1706 ram_table->bright_pos_gain[3][2] = 0x20; 1707 ram_table->bright_pos_gain[3][3] = 0x20; 1708 ram_table->bright_pos_gain[4][0] = 0x20; 1709 ram_table->bright_pos_gain[4][1] = 0x20; 1710 ram_table->bright_pos_gain[4][2] = 0x20; 1711 ram_table->bright_pos_gain[4][3] = 0x20; 1712 ram_table->bright_neg_gain[0][0] = 0x00; 1713 ram_table->bright_neg_gain[0][1] = 0x00; 1714 ram_table->bright_neg_gain[0][2] = 0x00; 1715 ram_table->bright_neg_gain[0][3] = 0x00; 1716 ram_table->bright_neg_gain[1][0] = 0x00; 1717 ram_table->bright_neg_gain[1][1] = 0x00; 1718 ram_table->bright_neg_gain[1][2] = 0x00; 1719 ram_table->bright_neg_gain[1][3] = 0x00; 1720 ram_table->bright_neg_gain[2][0] = 0x00; 1721 ram_table->bright_neg_gain[2][1] = 0x00; 1722 ram_table->bright_neg_gain[2][2] = 0x00; 1723 ram_table->bright_neg_gain[2][3] = 0x00; 1724 ram_table->bright_neg_gain[3][0] = 0x00; 1725 ram_table->bright_neg_gain[3][1] = 0x00; 1726 ram_table->bright_neg_gain[3][2] = 0x00; 1727 ram_table->bright_neg_gain[3][3] = 0x00; 1728 ram_table->bright_neg_gain[4][0] = 0x00; 1729 ram_table->bright_neg_gain[4][1] = 0x00; 1730 ram_table->bright_neg_gain[4][2] = 0x00; 1731 ram_table->bright_neg_gain[4][3] = 0x00; 1732 ram_table->dark_pos_gain[0][0] = 0x00; 1733 ram_table->dark_pos_gain[0][1] = 0x00; 1734 ram_table->dark_pos_gain[0][2] = 0x00; 1735 ram_table->dark_pos_gain[0][3] = 0x00; 1736 ram_table->dark_pos_gain[1][0] = 0x00; 1737 ram_table->dark_pos_gain[1][1] = 0x00; 1738 ram_table->dark_pos_gain[1][2] = 0x00; 1739 ram_table->dark_pos_gain[1][3] = 0x00; 1740 ram_table->dark_pos_gain[2][0] = 0x00; 1741 ram_table->dark_pos_gain[2][1] = 0x00; 1742 ram_table->dark_pos_gain[2][2] = 0x00; 1743 ram_table->dark_pos_gain[2][3] = 0x00; 1744 ram_table->dark_pos_gain[3][0] = 0x00; 1745 ram_table->dark_pos_gain[3][1] = 0x00; 1746 ram_table->dark_pos_gain[3][2] = 0x00; 1747 ram_table->dark_pos_gain[3][3] = 0x00; 1748 ram_table->dark_pos_gain[4][0] = 0x00; 1749 ram_table->dark_pos_gain[4][1] = 0x00; 1750 ram_table->dark_pos_gain[4][2] = 0x00; 1751 ram_table->dark_pos_gain[4][3] = 0x00; 1752 ram_table->dark_neg_gain[0][0] = 0x00; 1753 ram_table->dark_neg_gain[0][1] = 0x00; 1754 ram_table->dark_neg_gain[0][2] = 0x00; 1755 ram_table->dark_neg_gain[0][3] = 0x00; 1756 ram_table->dark_neg_gain[1][0] = 0x00; 1757 ram_table->dark_neg_gain[1][1] = 0x00; 1758 ram_table->dark_neg_gain[1][2] = 0x00; 1759 ram_table->dark_neg_gain[1][3] = 0x00; 1760 ram_table->dark_neg_gain[2][0] = 0x00; 1761 ram_table->dark_neg_gain[2][1] = 0x00; 1762 ram_table->dark_neg_gain[2][2] = 0x00; 1763 ram_table->dark_neg_gain[2][3] = 0x00; 1764 ram_table->dark_neg_gain[3][0] = 0x00; 1765 ram_table->dark_neg_gain[3][1] = 0x00; 1766 ram_table->dark_neg_gain[3][2] = 0x00; 1767 ram_table->dark_neg_gain[3][3] = 0x00; 1768 ram_table->dark_neg_gain[4][0] = 0x00; 1769 ram_table->dark_neg_gain[4][1] = 0x00; 1770 ram_table->dark_neg_gain[4][2] = 0x00; 1771 ram_table->dark_neg_gain[4][3] = 0x00; 1772 1773 ram_table->iir_curve[0] = 0x65; 1774 ram_table->iir_curve[1] = 0x65; 1775 ram_table->iir_curve[2] = 0x65; 1776 ram_table->iir_curve[3] = 0x65; 1777 ram_table->iir_curve[4] = 0x65; 1778 1779 //Gamma 2.4 1780 ram_table->crgb_thresh[0] = cpu_to_be16(0x13b6); 1781 ram_table->crgb_thresh[1] = cpu_to_be16(0x1648); 1782 ram_table->crgb_thresh[2] = cpu_to_be16(0x18e3); 1783 ram_table->crgb_thresh[3] = cpu_to_be16(0x1b41); 1784 ram_table->crgb_thresh[4] = cpu_to_be16(0x1d46); 1785 ram_table->crgb_thresh[5] = cpu_to_be16(0x1f21); 1786 ram_table->crgb_thresh[6] = cpu_to_be16(0x2167); 1787 ram_table->crgb_thresh[7] = cpu_to_be16(0x2384); 1788 ram_table->crgb_offset[0] = cpu_to_be16(0x2999); 1789 ram_table->crgb_offset[1] = cpu_to_be16(0x3999); 1790 ram_table->crgb_offset[2] = cpu_to_be16(0x4666); 1791 ram_table->crgb_offset[3] = cpu_to_be16(0x5999); 1792 ram_table->crgb_offset[4] = cpu_to_be16(0x6333); 1793 ram_table->crgb_offset[5] = cpu_to_be16(0x7800); 1794 ram_table->crgb_offset[6] = cpu_to_be16(0x8c00); 1795 ram_table->crgb_offset[7] = cpu_to_be16(0xa000); 1796 ram_table->crgb_slope[0] = cpu_to_be16(0x3147); 1797 ram_table->crgb_slope[1] = cpu_to_be16(0x2978); 1798 ram_table->crgb_slope[2] = cpu_to_be16(0x23a2); 1799 ram_table->crgb_slope[3] = cpu_to_be16(0x1f55); 1800 ram_table->crgb_slope[4] = cpu_to_be16(0x1c63); 1801 ram_table->crgb_slope[5] = cpu_to_be16(0x1a0f); 1802 ram_table->crgb_slope[6] = cpu_to_be16(0x178d); 1803 ram_table->crgb_slope[7] = cpu_to_be16(0x15ab); 1804 1805 fill_backlight_transform_table( 1806 params, ram_table); 1807 } 1808 1809 static void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params) 1810 { 1811 unsigned int set = params.set; 1812 1813 ram_table->flags = 0x0; 1814 1815 ram_table->min_abm_backlight = 1816 cpu_to_be16(params.min_abm_backlight); 1817 1818 ram_table->deviation_gain[0] = 0xb3; 1819 ram_table->deviation_gain[1] = 0xa8; 1820 ram_table->deviation_gain[2] = 0x98; 1821 ram_table->deviation_gain[3] = 0x68; 1822 1823 ram_table->min_reduction[0][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 1824 ram_table->min_reduction[1][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 1825 ram_table->min_reduction[2][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 1826 ram_table->min_reduction[3][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 1827 ram_table->min_reduction[4][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 1828 ram_table->max_reduction[0][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 1829 ram_table->max_reduction[1][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 1830 ram_table->max_reduction[2][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 1831 ram_table->max_reduction[3][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 1832 ram_table->max_reduction[4][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 1833 1834 ram_table->min_reduction[0][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 1835 ram_table->min_reduction[1][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 1836 ram_table->min_reduction[2][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 1837 ram_table->min_reduction[3][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 1838 ram_table->min_reduction[4][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 1839 ram_table->max_reduction[0][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 1840 ram_table->max_reduction[1][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 1841 ram_table->max_reduction[2][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 1842 ram_table->max_reduction[3][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 1843 ram_table->max_reduction[4][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 1844 1845 ram_table->min_reduction[0][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 1846 ram_table->min_reduction[1][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 1847 ram_table->min_reduction[2][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 1848 ram_table->min_reduction[3][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 1849 ram_table->min_reduction[4][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 1850 ram_table->max_reduction[0][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 1851 ram_table->max_reduction[1][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 1852 ram_table->max_reduction[2][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 1853 ram_table->max_reduction[3][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 1854 ram_table->max_reduction[4][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 1855 1856 ram_table->min_reduction[0][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 1857 ram_table->min_reduction[1][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 1858 ram_table->min_reduction[2][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 1859 ram_table->min_reduction[3][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 1860 ram_table->min_reduction[4][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 1861 ram_table->max_reduction[0][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 1862 ram_table->max_reduction[1][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 1863 ram_table->max_reduction[2][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 1864 ram_table->max_reduction[3][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 1865 ram_table->max_reduction[4][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 1866 1867 ram_table->bright_pos_gain[0][0] = 0x20; 1868 ram_table->bright_pos_gain[0][1] = 0x20; 1869 ram_table->bright_pos_gain[0][2] = 0x20; 1870 ram_table->bright_pos_gain[0][3] = 0x20; 1871 ram_table->bright_pos_gain[1][0] = 0x20; 1872 ram_table->bright_pos_gain[1][1] = 0x20; 1873 ram_table->bright_pos_gain[1][2] = 0x20; 1874 ram_table->bright_pos_gain[1][3] = 0x20; 1875 ram_table->bright_pos_gain[2][0] = 0x20; 1876 ram_table->bright_pos_gain[2][1] = 0x20; 1877 ram_table->bright_pos_gain[2][2] = 0x20; 1878 ram_table->bright_pos_gain[2][3] = 0x20; 1879 ram_table->bright_pos_gain[3][0] = 0x20; 1880 ram_table->bright_pos_gain[3][1] = 0x20; 1881 ram_table->bright_pos_gain[3][2] = 0x20; 1882 ram_table->bright_pos_gain[3][3] = 0x20; 1883 ram_table->bright_pos_gain[4][0] = 0x20; 1884 ram_table->bright_pos_gain[4][1] = 0x20; 1885 ram_table->bright_pos_gain[4][2] = 0x20; 1886 ram_table->bright_pos_gain[4][3] = 0x20; 1887 1888 ram_table->dark_pos_gain[0][0] = 0x00; 1889 ram_table->dark_pos_gain[0][1] = 0x00; 1890 ram_table->dark_pos_gain[0][2] = 0x00; 1891 ram_table->dark_pos_gain[0][3] = 0x00; 1892 ram_table->dark_pos_gain[1][0] = 0x00; 1893 ram_table->dark_pos_gain[1][1] = 0x00; 1894 ram_table->dark_pos_gain[1][2] = 0x00; 1895 ram_table->dark_pos_gain[1][3] = 0x00; 1896 ram_table->dark_pos_gain[2][0] = 0x00; 1897 ram_table->dark_pos_gain[2][1] = 0x00; 1898 ram_table->dark_pos_gain[2][2] = 0x00; 1899 ram_table->dark_pos_gain[2][3] = 0x00; 1900 ram_table->dark_pos_gain[3][0] = 0x00; 1901 ram_table->dark_pos_gain[3][1] = 0x00; 1902 ram_table->dark_pos_gain[3][2] = 0x00; 1903 ram_table->dark_pos_gain[3][3] = 0x00; 1904 ram_table->dark_pos_gain[4][0] = 0x00; 1905 ram_table->dark_pos_gain[4][1] = 0x00; 1906 ram_table->dark_pos_gain[4][2] = 0x00; 1907 ram_table->dark_pos_gain[4][3] = 0x00; 1908 1909 ram_table->hybrid_factor[0] = 0xff; 1910 ram_table->hybrid_factor[1] = 0xff; 1911 ram_table->hybrid_factor[2] = 0xff; 1912 ram_table->hybrid_factor[3] = 0xc0; 1913 1914 ram_table->contrast_factor[0] = 0x99; 1915 ram_table->contrast_factor[1] = 0x99; 1916 ram_table->contrast_factor[2] = 0x90; 1917 ram_table->contrast_factor[3] = 0x80; 1918 1919 ram_table->iir_curve[0] = 0x65; 1920 ram_table->iir_curve[1] = 0x65; 1921 ram_table->iir_curve[2] = 0x65; 1922 ram_table->iir_curve[3] = 0x65; 1923 ram_table->iir_curve[4] = 0x65; 1924 1925 //Gamma 2.2 1926 ram_table->crgb_thresh[0] = cpu_to_be16(0x127c); 1927 ram_table->crgb_thresh[1] = cpu_to_be16(0x151b); 1928 ram_table->crgb_thresh[2] = cpu_to_be16(0x17d5); 1929 ram_table->crgb_thresh[3] = cpu_to_be16(0x1a56); 1930 ram_table->crgb_thresh[4] = cpu_to_be16(0x1c83); 1931 ram_table->crgb_thresh[5] = cpu_to_be16(0x1e72); 1932 ram_table->crgb_thresh[6] = cpu_to_be16(0x20f0); 1933 ram_table->crgb_thresh[7] = cpu_to_be16(0x232b); 1934 ram_table->crgb_offset[0] = cpu_to_be16(0x2999); 1935 ram_table->crgb_offset[1] = cpu_to_be16(0x3999); 1936 ram_table->crgb_offset[2] = cpu_to_be16(0x4666); 1937 ram_table->crgb_offset[3] = cpu_to_be16(0x5999); 1938 ram_table->crgb_offset[4] = cpu_to_be16(0x6333); 1939 ram_table->crgb_offset[5] = cpu_to_be16(0x7800); 1940 ram_table->crgb_offset[6] = cpu_to_be16(0x8c00); 1941 ram_table->crgb_offset[7] = cpu_to_be16(0xa000); 1942 ram_table->crgb_slope[0] = cpu_to_be16(0x3609); 1943 ram_table->crgb_slope[1] = cpu_to_be16(0x2dfa); 1944 ram_table->crgb_slope[2] = cpu_to_be16(0x27ea); 1945 ram_table->crgb_slope[3] = cpu_to_be16(0x235d); 1946 ram_table->crgb_slope[4] = cpu_to_be16(0x2042); 1947 ram_table->crgb_slope[5] = cpu_to_be16(0x1dc3); 1948 ram_table->crgb_slope[6] = cpu_to_be16(0x1b1a); 1949 ram_table->crgb_slope[7] = cpu_to_be16(0x1910); 1950 1951 fill_backlight_transform_table_v_2_2( 1952 params, ram_table, true); 1953 } 1954 1955 static void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params, bool big_endian) 1956 { 1957 unsigned int i, j; 1958 unsigned int set = params.set; 1959 1960 ram_table->flags = 0x0; 1961 ram_table->min_abm_backlight = (uint16_t)((big_endian) ? 1962 cpu_to_be16(params.min_abm_backlight) : 1963 cpu_to_le16(params.min_abm_backlight)); 1964 1965 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 1966 ram_table->hybrid_factor[i] = (uint8_t)abm_settings[set][i].brightness_gain; 1967 ram_table->contrast_factor[i] = abm_settings[set][i].contrast_factor; 1968 ram_table->deviation_gain[i] = abm_settings[set][i].deviation_gain; 1969 ram_table->min_knee[i] = abm_settings[set][i].min_knee; 1970 ram_table->max_knee[i] = abm_settings[set][i].max_knee; 1971 1972 for (j = 0; j < NUM_AMBI_LEVEL; j++) { 1973 ram_table->min_reduction[j][i] = abm_settings[set][i].min_reduction; 1974 ram_table->max_reduction[j][i] = abm_settings[set][i].max_reduction; 1975 ram_table->bright_pos_gain[j][i] = abm_settings[set][i].bright_pos_gain; 1976 ram_table->dark_pos_gain[j][i] = abm_settings[set][i].dark_pos_gain; 1977 } 1978 } 1979 1980 ram_table->iir_curve[0] = 0x65; 1981 ram_table->iir_curve[1] = 0x65; 1982 ram_table->iir_curve[2] = 0x65; 1983 ram_table->iir_curve[3] = 0x65; 1984 ram_table->iir_curve[4] = 0x65; 1985 1986 //Gamma 2.2 1987 ram_table->crgb_thresh[0] = bswap16_based_on_endian(big_endian, 0x127c); 1988 ram_table->crgb_thresh[1] = bswap16_based_on_endian(big_endian, 0x151b); 1989 ram_table->crgb_thresh[2] = bswap16_based_on_endian(big_endian, 0x17d5); 1990 ram_table->crgb_thresh[3] = bswap16_based_on_endian(big_endian, 0x1a56); 1991 ram_table->crgb_thresh[4] = bswap16_based_on_endian(big_endian, 0x1c83); 1992 ram_table->crgb_thresh[5] = bswap16_based_on_endian(big_endian, 0x1e72); 1993 ram_table->crgb_thresh[6] = bswap16_based_on_endian(big_endian, 0x20f0); 1994 ram_table->crgb_thresh[7] = bswap16_based_on_endian(big_endian, 0x232b); 1995 ram_table->crgb_offset[0] = bswap16_based_on_endian(big_endian, 0x2999); 1996 ram_table->crgb_offset[1] = bswap16_based_on_endian(big_endian, 0x3999); 1997 ram_table->crgb_offset[2] = bswap16_based_on_endian(big_endian, 0x4666); 1998 ram_table->crgb_offset[3] = bswap16_based_on_endian(big_endian, 0x5999); 1999 ram_table->crgb_offset[4] = bswap16_based_on_endian(big_endian, 0x6333); 2000 ram_table->crgb_offset[5] = bswap16_based_on_endian(big_endian, 0x7800); 2001 ram_table->crgb_offset[6] = bswap16_based_on_endian(big_endian, 0x8c00); 2002 ram_table->crgb_offset[7] = bswap16_based_on_endian(big_endian, 0xa000); 2003 ram_table->crgb_slope[0] = bswap16_based_on_endian(big_endian, 0x3609); 2004 ram_table->crgb_slope[1] = bswap16_based_on_endian(big_endian, 0x2dfa); 2005 ram_table->crgb_slope[2] = bswap16_based_on_endian(big_endian, 0x27ea); 2006 ram_table->crgb_slope[3] = bswap16_based_on_endian(big_endian, 0x235d); 2007 ram_table->crgb_slope[4] = bswap16_based_on_endian(big_endian, 0x2042); 2008 ram_table->crgb_slope[5] = bswap16_based_on_endian(big_endian, 0x1dc3); 2009 ram_table->crgb_slope[6] = bswap16_based_on_endian(big_endian, 0x1b1a); 2010 ram_table->crgb_slope[7] = bswap16_based_on_endian(big_endian, 0x1910); 2011 2012 fill_backlight_transform_table_v_2_2( 2013 params, ram_table, big_endian); 2014 } 2015 2016 bool dmub_init_abm_config(struct resource_pool *res_pool, 2017 struct dmcu_iram_parameters params, 2018 unsigned int inst) 2019 { 2020 struct iram_table_v_2_2 ram_table; 2021 struct abm_config_table config; 2022 unsigned int set = params.set; 2023 bool result = false; 2024 uint32_t i, j = 0; 2025 2026 if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL) 2027 return false; 2028 2029 memset(&ram_table, 0, sizeof(ram_table)); 2030 memset(&config, 0, sizeof(config)); 2031 2032 fill_iram_v_2_3(&ram_table, params, false); 2033 2034 // We must copy to structure that is aligned to 32-bit 2035 for (i = 0; i < NUM_POWER_FN_SEGS; i++) { 2036 config.crgb_thresh[i] = ram_table.crgb_thresh[i]; 2037 config.crgb_offset[i] = ram_table.crgb_offset[i]; 2038 config.crgb_slope[i] = ram_table.crgb_slope[i]; 2039 } 2040 2041 for (i = 0; i < NUM_BL_CURVE_SEGS; i++) { 2042 config.backlight_thresholds[i] = ram_table.backlight_thresholds[i]; 2043 config.backlight_offsets[i] = ram_table.backlight_offsets[i]; 2044 } 2045 2046 for (i = 0; i < NUM_AMBI_LEVEL; i++) 2047 config.iir_curve[i] = ram_table.iir_curve[i]; 2048 2049 for (i = 0; i < NUM_AMBI_LEVEL; i++) { 2050 for (j = 0; j < NUM_AGGR_LEVEL; j++) { 2051 config.min_reduction[i][j] = ram_table.min_reduction[i][j]; 2052 config.max_reduction[i][j] = ram_table.max_reduction[i][j]; 2053 config.bright_pos_gain[i][j] = ram_table.bright_pos_gain[i][j]; 2054 config.dark_pos_gain[i][j] = ram_table.dark_pos_gain[i][j]; 2055 } 2056 } 2057 2058 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 2059 config.hybrid_factor[i] = ram_table.hybrid_factor[i]; 2060 config.contrast_factor[i] = ram_table.contrast_factor[i]; 2061 config.deviation_gain[i] = ram_table.deviation_gain[i]; 2062 config.min_knee[i] = ram_table.min_knee[i]; 2063 config.max_knee[i] = ram_table.max_knee[i]; 2064 } 2065 2066 if (params.backlight_ramping_override) { 2067 2068 ASSERT(params.backlight_ramping_reduction <= 0xFFFF); 2069 ASSERT(params.backlight_ramping_start <= 0xFFFF); 2070 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 2071 config.blRampReduction[i] = (uint16_t)params.backlight_ramping_reduction; 2072 config.blRampStart[i] = (uint16_t)params.backlight_ramping_start; 2073 } 2074 } else { 2075 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 2076 config.blRampReduction[i] = abm_settings[set][i].blRampReduction; 2077 config.blRampStart[i] = abm_settings[set][i].blRampStart; 2078 } 2079 } 2080 2081 config.min_abm_backlight = ram_table.min_abm_backlight; 2082 2083 if (res_pool->multiple_abms[inst]) { 2084 result = res_pool->multiple_abms[inst]->funcs->init_abm_config( 2085 res_pool->multiple_abms[inst], (char *)(&config), sizeof(struct abm_config_table), inst); 2086 } else 2087 result = res_pool->abm->funcs->init_abm_config( 2088 res_pool->abm, (char *)(&config), sizeof(struct abm_config_table), 0); 2089 2090 return result; 2091 } 2092 2093 bool dmcu_load_iram(struct dmcu *dmcu, 2094 struct dmcu_iram_parameters params) 2095 { 2096 unsigned char ram_table[IRAM_SIZE]; 2097 bool result = false; 2098 2099 if (dmcu == NULL) 2100 return false; 2101 2102 if (dmcu && !dmcu->funcs->is_dmcu_initialized(dmcu)) 2103 return true; 2104 2105 memset(&ram_table, 0, sizeof(ram_table)); 2106 2107 if (dmcu->dmcu_version.abm_version == 0x24) { 2108 fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); 2109 result = dmcu->funcs->load_iram(dmcu, 0, (char *)(&ram_table), 2110 IRAM_RESERVE_AREA_START_V2_2); 2111 } else if (dmcu->dmcu_version.abm_version == 0x23) { 2112 fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); 2113 2114 result = dmcu->funcs->load_iram( 2115 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); 2116 } else if (dmcu->dmcu_version.abm_version == 0x22) { 2117 fill_iram_v_2_2((struct iram_table_v_2_2 *)ram_table, params); 2118 2119 result = dmcu->funcs->load_iram( 2120 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); 2121 } else { 2122 fill_iram_v_2((struct iram_table_v_2 *)ram_table, params); 2123 2124 result = dmcu->funcs->load_iram( 2125 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2); 2126 2127 if (result) 2128 result = dmcu->funcs->load_iram( 2129 dmcu, IRAM_RESERVE_AREA_END_V2 + 1, 2130 (char *)(&ram_table) + IRAM_RESERVE_AREA_END_V2 + 1, 2131 sizeof(ram_table) - IRAM_RESERVE_AREA_END_V2 - 1); 2132 } 2133 2134 return result; 2135 } 2136 2137 bool fill_custom_backlight_caps(unsigned int config_no, struct dm_acpi_atif_backlight_caps *caps) 2138 { 2139 unsigned int data_points_size; 2140 uint64_t caps_size; 2141 2142 if (config_no >= ARRAY_SIZE(custom_backlight_profiles)) 2143 return false; 2144 2145 data_points_size = custom_backlight_profiles[config_no].num_data_points 2146 * sizeof(custom_backlight_profiles[config_no].data_points[0]); 2147 2148 caps_size = sizeof(struct dm_acpi_atif_backlight_caps) - sizeof(caps->data_points) + data_points_size; 2149 ASSERT(caps_size <= 0xFFFF); 2150 caps->size = (uint16_t)caps_size; 2151 caps->flags = 0; 2152 caps->error_code = 0; 2153 caps->ac_level_percentage = custom_backlight_profiles[config_no].ac_level_percentage; 2154 caps->dc_level_percentage = custom_backlight_profiles[config_no].dc_level_percentage; 2155 caps->min_input_signal = custom_backlight_profiles[config_no].min_input_signal; 2156 caps->max_input_signal = custom_backlight_profiles[config_no].max_input_signal; 2157 caps->num_data_points = (uint8_t)custom_backlight_profiles[config_no].num_data_points; 2158 memcpy(caps->data_points, custom_backlight_profiles[config_no].data_points, data_points_size); 2159 return true; 2160 } 2161