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 /* If system or panel does not report some sort of brightness percent to nits 237 * mapping, we will use following default values so backlight control using 238 * nits based interfaces will still work, but might not describe panel 239 * correctly. In this case percentage based backlight control should ideally 240 * be used. 241 * Min = 5 nits 242 * Max = 300 nits 243 */ 244 245 #define MOD_POWER_TO_CORE(mod_power)\ 246 container_of(mod_power, struct core_power, mod_public) 247 248 static uint16_t backlight_8_to_16(unsigned int backlight_8bit) 249 { 250 return (uint16_t)(backlight_8bit * 0x101); 251 } 252 253 unsigned int backlight_millipercent_to_millinit( 254 struct core_power *core_power, unsigned int millipercent, unsigned int inst) 255 { 256 unsigned int millinit = 0; 257 unsigned long long numerator = 0; 258 259 if (core_power == NULL) 260 return 0; 261 262 numerator = ((unsigned long long)millipercent) * 263 core_power->bl_prop[inst].nits_range; 264 millinit = ((unsigned int)div_u64(numerator, 100000)) + 265 core_power->bl_prop[inst].min_brightness_millinits; 266 267 return millinit; 268 } 269 270 static unsigned int backlight_millinit_to_millipercent( 271 struct core_power *core_power, unsigned int millinit, unsigned int inst) 272 { 273 unsigned int millipercent = 0; 274 unsigned long long numerator = 0; 275 276 if (core_power == NULL) 277 return 0; 278 279 if (millinit <= core_power->bl_prop[inst].min_brightness_millinits) 280 return 0; 281 282 if (millinit >= core_power->bl_prop[inst].max_brightness_millinits) 283 return (100 * 1000); 284 285 numerator = (((unsigned long long)millinit) - 286 core_power->bl_prop[inst].min_brightness_millinits) * 100000; 287 millipercent = ((unsigned int)div_u64(numerator, 288 core_power->bl_prop[inst].nits_range)); 289 290 return millipercent; 291 } 292 293 static unsigned int backlight_pwm_to_millipercent( 294 struct core_power *core_power, unsigned int pwm, unsigned int inst) 295 { 296 unsigned int millipercent = 0; 297 unsigned int max_index = 0; 298 299 if (core_power == NULL) 300 return 0; 301 302 if (!core_power->bl_prop[inst].backlight_caps_valid) 303 return 0; 304 305 /* Doesn't really make sense to have one single backlight level 306 * possible... 307 */ 308 if (core_power->bl_prop[inst].num_backlight_levels < 2) 309 return 0; 310 311 max_index = core_power->bl_prop[inst].num_backlight_levels - 1; 312 313 if (pwm <= core_power->bl_prop[inst].backlight_lut[0]) 314 return 0; 315 316 if (pwm > core_power->bl_prop[inst].backlight_lut[max_index]) 317 return (100 * 1000); 318 319 /* We need to do a binary search over the array for where the pwm level 320 * is in the lut. Based on the index we can determine percentage. 321 */ 322 unsigned int min = 0; 323 unsigned int max = max_index; 324 unsigned int mid = 0; 325 326 while (max >= min) { 327 mid = (min + max) / 2; /* floor of half range */ 328 329 if (core_power->bl_prop[inst].backlight_lut[mid] < pwm) 330 min = mid + 1; 331 else if (core_power->bl_prop[inst].backlight_lut[mid] > pwm) 332 max = mid - 1; 333 else 334 break; 335 } 336 337 /* In this case, exact match is not found. Check if mid/min/max 338 * value is actually closer. 339 */ 340 if (max < min) { 341 unsigned int min_delta; 342 unsigned int mid_delta; 343 unsigned int max_delta; 344 345 min_delta = (core_power->bl_prop[inst].backlight_lut[min] > pwm) ? 346 core_power->bl_prop[inst].backlight_lut[min] - pwm : 347 pwm - core_power->bl_prop[inst].backlight_lut[min]; 348 349 mid_delta = (core_power->bl_prop[inst].backlight_lut[mid] > pwm) ? 350 core_power->bl_prop[inst].backlight_lut[mid] - pwm : 351 pwm - core_power->bl_prop[inst].backlight_lut[mid]; 352 353 max_delta = (core_power->bl_prop[inst].backlight_lut[max] > pwm) ? 354 core_power->bl_prop[inst].backlight_lut[max] - pwm : 355 pwm - core_power->bl_prop[inst].backlight_lut[max]; 356 357 if ((min_delta < mid_delta) && (min_delta < max_delta)) 358 mid = min; 359 360 if ((max_delta < mid_delta) && (max_delta < min_delta)) 361 mid = max; 362 } 363 364 /* No interpolation, just take closest index */ 365 millipercent = 1000 * 100 * mid / max_index; 366 367 return millipercent; 368 } 369 370 static unsigned int backlight_pwm_to_millinit( 371 struct core_power *core_power, unsigned int pwm, unsigned int inst) 372 { 373 unsigned int millinit = 0; 374 375 if (core_power == NULL) 376 return 0; 377 378 if (pwm <= core_power->bl_prop[inst].min_backlight_pwm) 379 return core_power->bl_prop[inst].min_brightness_millinits; 380 381 if (pwm >= core_power->bl_prop[inst].max_backlight_pwm) 382 return core_power->bl_prop[inst].max_brightness_millinits; 383 384 millinit = ((unsigned int)div_u64(((unsigned long long)pwm - 385 core_power->bl_prop[inst].min_backlight_pwm) * 386 core_power->bl_prop[inst].nits_range, 387 core_power->bl_prop[inst].backlight_range)); 388 389 millinit += core_power->bl_prop[inst].min_brightness_millinits; 390 391 if (millinit > core_power->bl_prop[inst].max_brightness_millinits) 392 millinit = core_power->bl_prop[inst].max_brightness_millinits; 393 394 return millinit; 395 } 396 397 unsigned int backlight_millipercent_to_pwm( 398 struct core_power *core_power, unsigned int millipercent, unsigned int inst) 399 { 400 unsigned int pwm = (unsigned int)-1; 401 unsigned int index = 0; 402 403 if (core_power == NULL) 404 return 0; 405 406 // Bypass the brightness mapping LUT 407 if (core_power->bl_prop->use_linear_backlight_curve) { 408 pwm = core_power->bl_prop[inst].min_backlight_pwm + 409 (unsigned int) div_u64((unsigned long long) millipercent * 410 core_power->bl_prop[inst].backlight_range, 411 100000); 412 413 if (pwm > core_power->bl_prop[inst].max_backlight_pwm) 414 pwm = core_power->bl_prop[inst].max_backlight_pwm; 415 416 return pwm; 417 } 418 419 if (millipercent >= (100 * 1000)) 420 return core_power->bl_prop[inst].backlight_lut[core_power->bl_prop[inst].num_backlight_levels - 1]; 421 422 /* This will give the floor index. */ 423 index = ((core_power->bl_prop[inst].num_backlight_levels - 1) * 424 millipercent) / 100000; 425 /* Null check otherwise eDP doesn't lightup when connected to DP1 */ 426 if (core_power->bl_prop[inst].backlight_lut == NULL) 427 return pwm; 428 429 pwm = core_power->bl_prop[inst].backlight_lut[index]; 430 431 return pwm; 432 } 433 434 static unsigned int backlight_millinit_to_pwm( 435 struct core_power *core_power, unsigned int millinit, unsigned int inst) 436 { 437 unsigned int pwm = 0; 438 439 if (core_power == NULL) 440 return 0; 441 442 /* For nits based brightness, the signal will be a value 443 * between the minimum and maximum value. 444 */ 445 if (millinit >= core_power->bl_prop[inst].max_brightness_millinits) 446 return core_power->bl_prop[inst].max_backlight_pwm; 447 else if (millinit <= core_power->bl_prop[inst].min_brightness_millinits) 448 return core_power->bl_prop[inst].min_backlight_pwm; 449 450 pwm = ((unsigned int)div_u64(((unsigned long long)millinit - 451 core_power->bl_prop[inst].min_brightness_millinits) * 452 core_power->bl_prop[inst].backlight_range, 453 core_power->bl_prop[inst].nits_range)); 454 455 pwm += core_power->bl_prop[inst].min_backlight_pwm; 456 457 if (pwm > core_power->bl_prop[inst].max_backlight_pwm) 458 pwm = core_power->bl_prop[inst].max_backlight_pwm; 459 460 return pwm; 461 } 462 463 static bool validate_ext_backlight_caps( 464 struct dm_acpi_atif_backlight_caps *ext_backlight_caps) 465 { 466 unsigned int i; 467 unsigned int num_of_data_points = 0; 468 unsigned int last_signal_level = 0; 469 unsigned int last_luminance = 0; 470 471 num_of_data_points = ext_backlight_caps->num_data_points; 472 473 /* Validation rules: 474 * 1. BIOS should carry customized data points and 475 * the number of data points should not be larger than 99. 476 * 2. The max_input_signal should be larger than min_input_signal. 477 * 3. For each data point: 478 * a. luminance should be in ascending order and 479 * should not be 0 or 100 since the corresponding signal_level 480 * are assigned by min_input_signal and max_input_signal. 481 * b. signal_level should be in ascending order and 482 * be within the range of min/max_input_signal. 483 */ 484 if (num_of_data_points > BL_DATA_POINTS) 485 return false; 486 487 if (ext_backlight_caps->min_input_signal >= ext_backlight_caps->max_input_signal) 488 return false; 489 490 last_signal_level = ext_backlight_caps->min_input_signal; 491 for (i = 0; i < num_of_data_points; i++) { 492 unsigned int luminance = ext_backlight_caps->data_points[i].luminance; 493 unsigned int signal_level = ext_backlight_caps->data_points[i].signal_level; 494 495 if ((luminance <= last_luminance) || (luminance > BL_DATA_POINTS)) 496 return false; 497 498 if ((signal_level <= last_signal_level) || (signal_level >= ext_backlight_caps->max_input_signal)) 499 return false; 500 501 last_signal_level = signal_level; 502 last_luminance = luminance; 503 } 504 505 return true; 506 } 507 508 /* hard coded to default backlight curve. */ 509 void initialize_backlight_caps(struct core_power *core_power, unsigned int inst) 510 { 511 unsigned int i; 512 struct dm_acpi_atif_backlight_caps *ext_backlight_caps = NULL; 513 bool custom_curve_present = false; 514 unsigned int num_levels = 0; 515 struct dc *dc = NULL; 516 enum dm_acpi_display_type acpi_display_type = 517 (inst == 0) ? AcpiDisplayType_LCD1 : AcpiDisplayType_LCD2; 518 519 if (core_power == NULL) 520 return; 521 dc = core_power->dc; 522 523 num_levels = core_power->bl_prop[inst].num_backlight_levels; 524 525 /* Allocate memory for ATIF output 526 * (do not want to use 256 bytes on the stack) 527 */ 528 ext_backlight_caps = (struct dm_acpi_atif_backlight_caps *) 529 (kzalloc(sizeof(struct dm_acpi_atif_backlight_caps), 530 GFP_KERNEL)); 531 532 if (ext_backlight_caps == NULL) 533 return; 534 535 /* Retrieve ACPI extended brightness caps */ 536 if (dm_query_extended_brightness_caps 537 (dc->ctx, acpi_display_type, ext_backlight_caps)) { 538 custom_curve_present = validate_ext_backlight_caps(ext_backlight_caps); 539 } 540 541 if (core_power->bl_prop[inst].use_custom_backlight_caps && 542 fill_custom_backlight_caps( 543 core_power->bl_prop[inst].custom_backlight_caps_config_no, 544 ext_backlight_caps)) { 545 custom_curve_present = validate_ext_backlight_caps(ext_backlight_caps); 546 } 547 548 if (custom_curve_present) { 549 unsigned int index = 1; 550 unsigned int num_of_data_points = ext_backlight_caps->num_data_points; 551 552 core_power->bl_prop[inst].ac_backlight_percent = 553 ext_backlight_caps->ac_level_percentage; 554 core_power->bl_prop[inst].dc_backlight_percent = 555 ext_backlight_caps->dc_level_percentage; 556 core_power->bl_prop[inst].backlight_lut[0] = 557 backlight_8_to_16( 558 ext_backlight_caps->min_input_signal); 559 core_power->bl_prop[inst].backlight_lut[num_levels - 1] = 560 backlight_8_to_16( 561 ext_backlight_caps->max_input_signal); 562 563 /* Filling translation table from data points - 564 * between every two provided data points we 565 * lineary interpolate missing values 566 */ 567 for (i = 0; i < num_of_data_points; i++) { 568 unsigned int luminance = 569 ext_backlight_caps->data_points[i].luminance; 570 unsigned int signal_level = 571 backlight_8_to_16( 572 ext_backlight_caps->data_points[i].signal_level); 573 574 /* Since luminance is a percentage, scale it by num_levels*/ 575 luminance = (luminance * num_levels) / 101; 576 577 /* Lineary interpolate missing values */ 578 if (index < luminance) { 579 unsigned int base_value = 580 core_power->bl_prop[inst].backlight_lut[index-1]; 581 unsigned int delta_signal = 582 signal_level - base_value; 583 unsigned int delta_luma = 584 luminance - index + 1; 585 unsigned int step = delta_signal; 586 587 for (; index < luminance; index++) { 588 core_power->bl_prop[inst].backlight_lut[index] = 589 base_value + (step / delta_luma); 590 step += delta_signal; 591 } 592 } 593 594 /* Now [index == luminance], 595 * so we can add data point to the translation table 596 */ 597 core_power->bl_prop[inst].backlight_lut[index++] = signal_level; 598 } 599 600 /* Complete the final segment of interpolation - 601 * between last datapoint and maximum value 602 */ 603 if (index < num_levels - 1) { 604 unsigned int base_value = 605 core_power->bl_prop[inst].backlight_lut[index-1]; 606 unsigned int delta_signal = 607 core_power->bl_prop[inst].backlight_lut[num_levels - 1] - 608 base_value; 609 unsigned int delta_luma = num_levels - index; 610 unsigned int step = delta_signal; 611 612 for (; index < num_levels - 1; index++) { 613 core_power->bl_prop[inst].backlight_lut[index] = 614 base_value + (step / delta_luma); 615 step += delta_signal; 616 } 617 } 618 /* Build backlight translation table based on default curve */ 619 } else { 620 /* Defines default backlight curve F(x) = A(x*x) + Bx + C. 621 * 622 * Backlight curve should always satisfy: 623 * F(0) = min, F(100) = max, 624 * So polynom coefficients are: 625 * A is 0.0255 - B/100 - min/10000 - (255-max)/10000 = 626 * (max - min)/10000 - B/100 627 * B is adjustable factor to modify the curve. 628 * Bigger B results in less concave curve. 629 * B range is [0..(max-min)/100] 630 * C is backlight minimum 631 */ 632 unsigned int backlight_curve_coeff_a_factor = 633 num_levels * num_levels; 634 unsigned int backlight_curve_coeff_b = num_levels; 635 unsigned int delta = 636 core_power->bl_prop[inst].backlight_lut[num_levels - 1] - 637 core_power->bl_prop[inst].backlight_lut[0]; 638 unsigned int coeffC = core_power->bl_prop[inst].backlight_lut[0]; 639 unsigned int coeffB = 640 (backlight_curve_coeff_b < delta ? 641 backlight_curve_coeff_b : delta); 642 unsigned long long coeffA = delta - coeffB; /* coeffB is B*100 */ 643 644 for (i = 1; i < num_levels - 1; i++) { 645 uint64_t lut_val = div_u64(coeffA * i * i, backlight_curve_coeff_a_factor) + 646 div_u64((uint64_t)coeffB * i, backlight_curve_coeff_b) + coeffC; 647 648 ASSERT(lut_val <= 0xFFFFFFFF); 649 core_power->bl_prop[inst].backlight_lut[i] = (unsigned int)lut_val; 650 } 651 } 652 653 if (ext_backlight_caps != NULL) 654 kfree(ext_backlight_caps); 655 656 /* Successfully initialized */ 657 core_power->bl_prop[inst].backlight_caps_valid = true; 658 } 659 660 static void varibright_set_level(struct core_power *core_power) 661 { 662 if (!core_power->varibright_prop.varibright_active || 663 !core_power->varibright_prop.varibright_user_enable) 664 core_power->varibright_prop.varibright_hw_level = 0; 665 else 666 core_power->varibright_prop.varibright_hw_level = 667 core_power->varibright_prop.varibright_level; 668 } 669 670 bool mod_power_hw_init_backlight(struct mod_power *mod_power) 671 { 672 struct core_power *core_power = NULL; 673 struct dc *dc = NULL; 674 struct dmcu *dmcu = NULL; 675 struct dmcu_iram_parameters params; 676 unsigned int i; 677 678 if (mod_power == NULL) 679 return false; 680 681 core_power = MOD_POWER_TO_CORE(mod_power); 682 dc = core_power->dc; 683 684 for (i = 0; i < core_power->edp_num; i++) { 685 params.set = core_power->varibright_prop.varibright_config_setting; 686 params.backlight_ramping_override = core_power->bl_prop[i].backlight_ramping_override; 687 params.backlight_ramping_reduction = core_power->bl_prop[i].backlight_ramping_reduction; 688 params.backlight_ramping_start = core_power->bl_prop[i].backlight_ramping_start; 689 params.backlight_lut_array = core_power->bl_prop[i].backlight_lut; 690 params.backlight_lut_array_size = core_power->bl_prop[i].num_backlight_levels; 691 params.min_abm_backlight = core_power->bl_prop[i].min_abm_backlight; 692 693 dmcu = dc->res_pool->dmcu; 694 695 // In the case where abm is implemented on dmcub, 696 // dmcu object will be null. 697 // ABM 2.4 and up are implemented on dmcub. 698 if (dmcu) { 699 //DMCU does not support multiple eDP 700 return dmcu_load_iram(dmcu, params); 701 } else if (dc->ctx->dmub_srv) { 702 if (!dmub_init_abm_config(dc->res_pool, params, i)) 703 return false; 704 } else 705 return false; 706 } 707 return true; 708 } 709 710 void mod_power_update_backlight_on_mode_change( 711 struct core_power *core_power, 712 struct dc_link *link, 713 unsigned int panel_inst, 714 uint8_t aux_inst, 715 bool is_hdr) 716 { 717 struct set_backlight_level_params backlight_level_params = { 0 }; 718 719 if ((link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1 || 720 link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1) && 721 link->backlight_control_type == BACKLIGHT_CONTROL_AMD_AUX) 722 dc_link_set_backlight_level_nits(link, core_power->bl_state[panel_inst].isHDR, 723 core_power->bl_state[panel_inst].backlight_millinit, 0); 724 725 backlight_level_params.frame_ramp = 0; 726 727 fill_backlight_level_params(core_power, &backlight_level_params, panel_inst, aux_inst, 728 core_power->bl_state[panel_inst].backlight_pwm, link->backlight_control_type, 729 core_power->bl_state[panel_inst].backlight_millinit, 0, is_hdr); 730 731 dc_link_set_backlight_level(link, &backlight_level_params); 732 } 733 734 static bool set_backlight_millinits_aux(struct core_power *core_power, 735 struct dc_stream_state *stream, 736 unsigned int backlight_millinits, 737 unsigned int transition_time_millisec, 738 unsigned int inst) 739 { 740 struct dc_link *link = NULL; 741 742 if (core_power == NULL) 743 return false; 744 745 if (stream == NULL) 746 return true; 747 748 link = dc_stream_get_link(stream); 749 750 // only use internal backlight control if dmub capabilities are not present 751 if (link->backlight_control_type == BACKLIGHT_CONTROL_VESA_AUX && 752 link->dc->caps.dmub_caps.aux_backlight_support) 753 return true; 754 755 return dc_link_set_backlight_level_nits(link, core_power->bl_state[inst].isHDR, 756 backlight_millinits, transition_time_millisec); 757 } 758 759 static bool set_backlight(struct core_power *core_power, 760 struct dc_stream_state *stream, 761 struct set_backlight_level_params *backlight_level_params, 762 unsigned int inst) 763 { 764 bool retv = false; 765 unsigned int frame_ramp = 0; 766 unsigned int vsync_rate_hz; 767 union dmcu_abm_set_bl_params params; 768 const struct dc_link *link = NULL; 769 unsigned int backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16; 770 unsigned int transition_time_millisec = backlight_level_params->transition_time_in_ms; 771 772 if (core_power == NULL) 773 return false; 774 775 core_power->bl_state[inst].backlight_pwm = backlight_pwm_u16_16; 776 777 if (stream == NULL) 778 return true; 779 780 if (stream->link->connector_signal != SIGNAL_TYPE_EDP) 781 return false; 782 783 if (transition_time_millisec != 0) { 784 unsigned int v_total = 785 (stream->adjust.v_total_max == 0) ? stream->timing.v_total : stream->adjust.v_total_max; 786 787 vsync_rate_hz = (unsigned int)div_u64(div_u64((stream-> 788 timing.pix_clk_100hz * 100), 789 v_total), 790 stream->timing.h_total); 791 792 if (core_power->bl_state[inst].smooth_brightness_enabled) 793 frame_ramp = ((vsync_rate_hz * 794 transition_time_millisec) + 500) / 1000; 795 } 796 797 core_power->bl_state[inst].frame_ramp = frame_ramp; 798 params.u32All = 0; 799 params.bits.gradual_change = (frame_ramp > 0); 800 params.bits.frame_ramp = frame_ramp; 801 link = dc_stream_get_link(stream); 802 803 mod_power_set_psr_event(&core_power->mod_public, stream, true, psr_event_hw_programming, true); 804 mod_power_set_replay_event(&core_power->mod_public, stream, true, replay_event_hw_programming, true); 805 806 backlight_level_params->frame_ramp = params.u32All; 807 retv = dc_link_set_backlight_level(link, backlight_level_params); 808 809 mod_power_set_psr_event(&core_power->mod_public, stream, false, psr_event_hw_programming, false); 810 mod_power_set_replay_event(&core_power->mod_public, stream, false, replay_event_hw_programming, false); 811 812 return retv; 813 } 814 815 void fill_backlight_level_params(struct core_power *core_power, 816 struct set_backlight_level_params *backlight_level_params, 817 int panel_inst, uint8_t aux_inst, unsigned int backlight_pwm, 818 enum backlight_control_type backlight_control_type, 819 unsigned int backlight_millinit, unsigned int transition_time_millisec, 820 bool is_hdr) 821 { 822 struct pwr_backlight_properties *bl_prop = &core_power->bl_prop[panel_inst]; 823 824 backlight_level_params->aux_inst = aux_inst; 825 backlight_level_params->backlight_pwm_u16_16 = backlight_pwm; 826 backlight_level_params->control_type = backlight_control_type; 827 backlight_level_params->backlight_millinits = backlight_millinit; 828 backlight_level_params->transition_time_in_ms = transition_time_millisec; 829 backlight_level_params->min_luminance = bl_prop->min_brightness_millinits; 830 backlight_level_params->max_luminance = bl_prop->max_brightness_millinits; 831 backlight_level_params->min_backlight_pwm = bl_prop->min_backlight_pwm; 832 backlight_level_params->max_backlight_pwm = bl_prop->max_backlight_pwm; 833 834 if (backlight_control_type == BACKLIGHT_CONTROL_AMD_AUX && !is_hdr) 835 backlight_level_params->control_type = BACKLIGHT_CONTROL_PWM; 836 } 837 838 bool mod_power_set_backlight_nits(struct mod_power *mod_power, 839 struct dc_stream_state *stream, 840 unsigned int backlight_millinit, 841 unsigned int transition_time_millisec, 842 bool skip_aux, 843 bool is_hdr) 844 { 845 struct core_power *core_power = NULL; 846 unsigned int backlight_pwm; 847 unsigned int panel_inst = 0; 848 struct set_backlight_level_params backlight_level_params = { 0 }; 849 const struct dc_link *link = NULL; 850 uint8_t aux_inst = 0; 851 852 if (mod_power == NULL) 853 return false; 854 855 core_power = MOD_POWER_TO_CORE(mod_power); 856 link = dc_stream_get_link(stream); 857 858 aux_inst = link->dc->link_srv->get_ddc_aux_inst(link); 859 860 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &panel_inst)) 861 return false; 862 863 if (!skip_aux) { 864 if (!set_backlight_millinits_aux(core_power, stream, 865 backlight_millinit, transition_time_millisec, panel_inst)) 866 return false; 867 } 868 // always send both AUX (above) and PWM (below) 869 core_power->bl_state[panel_inst].backlight_millinit = backlight_millinit; 870 871 core_power->bl_state[panel_inst].backlight_millipercent = 872 backlight_millinit_to_millipercent( 873 core_power, backlight_millinit, panel_inst); 874 875 backlight_pwm = backlight_millinit_to_pwm( 876 core_power, backlight_millinit, panel_inst); 877 878 fill_backlight_level_params(core_power, &backlight_level_params, panel_inst, aux_inst, backlight_pwm, 879 link->backlight_control_type, backlight_millinit, transition_time_millisec, is_hdr); 880 881 return set_backlight(core_power, stream, 882 &backlight_level_params, panel_inst); 883 } 884 885 bool mod_power_backlight_percent_to_nits(struct mod_power *mod_power, 886 struct dc_stream_state *stream, 887 unsigned int backlight_millipercent, 888 unsigned int *backlight_millinit) 889 { 890 struct core_power *core_power = NULL; 891 unsigned int inst = 0; 892 893 if (mod_power == NULL) 894 return false; 895 896 core_power = MOD_POWER_TO_CORE(mod_power); 897 898 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) 899 return false; 900 901 *backlight_millinit = backlight_millipercent_to_millinit( 902 core_power, backlight_millipercent, inst); 903 return true; 904 } 905 906 bool mod_power_backlight_nits_to_percent(struct mod_power *mod_power, 907 struct dc_stream_state *stream, 908 unsigned int backlight_millinit, 909 unsigned int *backlight_millipercent) 910 { 911 struct core_power *core_power = NULL; 912 unsigned int inst = 0; 913 914 if (mod_power == NULL) 915 return false; 916 917 core_power = MOD_POWER_TO_CORE(mod_power); 918 919 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) 920 return false; 921 922 *backlight_millipercent = backlight_millinit_to_millipercent( 923 core_power, backlight_millinit, inst); 924 return true; 925 } 926 927 bool mod_power_set_backlight_percent(struct mod_power *mod_power, 928 struct dc_stream_state *stream, 929 unsigned int backlight_millipercent, 930 unsigned int transition_time_millisec, 931 bool is_hdr) 932 { 933 struct core_power *core_power = NULL; 934 struct set_backlight_level_params backlight_level_params = { 0 }; 935 const struct dc_link *link = NULL; 936 unsigned int backlight_pwm; 937 unsigned int panel_inst = 0; 938 uint8_t aux_inst = 0; 939 940 if (mod_power == NULL) 941 return false; 942 943 core_power = MOD_POWER_TO_CORE(mod_power); 944 link = dc_stream_get_link(stream); 945 aux_inst = link->dc->link_srv->get_ddc_aux_inst(link); 946 947 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &panel_inst)) 948 return false; 949 core_power->bl_state[panel_inst].backlight_millipercent = backlight_millipercent; 950 951 core_power->bl_state[panel_inst].backlight_millinit = 952 backlight_millipercent_to_millinit( 953 core_power, backlight_millipercent, panel_inst); 954 955 backlight_pwm = backlight_millipercent_to_pwm( 956 core_power, backlight_millipercent, panel_inst); 957 958 fill_backlight_level_params(core_power, &backlight_level_params, panel_inst, 959 aux_inst, backlight_pwm, link->backlight_control_type, 960 core_power->bl_state[panel_inst].backlight_millinit, transition_time_millisec, is_hdr); 961 962 return set_backlight(core_power, stream, 963 &backlight_level_params, panel_inst); 964 } 965 966 void mod_power_update_backlight(struct mod_power *mod_power, 967 struct dc_stream_state *stream, 968 unsigned int backlight_millipercent) 969 { 970 struct core_power *core_power = NULL; 971 unsigned int inst = 0; 972 973 if (mod_power == NULL) 974 return; 975 976 core_power = MOD_POWER_TO_CORE(mod_power); 977 978 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) 979 return; 980 core_power->bl_state[inst].backlight_millipercent = backlight_millipercent; 981 982 core_power->bl_state[inst].backlight_millinit = 983 backlight_millipercent_to_millinit( 984 core_power, backlight_millipercent, inst); 985 986 core_power->bl_state[inst].backlight_pwm = backlight_millipercent_to_pwm( 987 core_power, backlight_millipercent, inst); 988 } 989 990 void mod_power_update_backlight_nits(struct mod_power *mod_power, 991 struct dc_stream_state *stream, 992 unsigned int backlight_millinit) 993 { 994 struct core_power *core_power = NULL; 995 unsigned int inst = 0; 996 997 if (mod_power == NULL) 998 return; 999 1000 core_power = MOD_POWER_TO_CORE(mod_power); 1001 1002 if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) 1003 return; 1004 1005 core_power->bl_state[inst].backlight_millinit = backlight_millinit; 1006 1007 core_power->bl_state[inst].backlight_millipercent = backlight_millinit_to_millipercent( 1008 core_power, backlight_millinit, inst); 1009 core_power->bl_state[inst].backlight_pwm = backlight_millinit_to_pwm( 1010 core_power, backlight_millinit, inst); 1011 } 1012 1013 bool mod_power_get_backlight_pwm(struct mod_power *mod_power, 1014 unsigned int *backlight_pwm, 1015 unsigned int inst) 1016 { 1017 struct core_power *core_power = NULL; 1018 1019 if (mod_power == NULL) 1020 return false; 1021 1022 core_power = MOD_POWER_TO_CORE(mod_power); 1023 1024 *backlight_pwm = core_power->bl_state[inst].backlight_pwm; 1025 1026 return true; 1027 } 1028 1029 bool mod_power_get_backlight_nits(struct mod_power *mod_power, 1030 unsigned int *backlight_millinit, 1031 unsigned int inst) 1032 { 1033 struct core_power *core_power = NULL; 1034 1035 if (mod_power == NULL) 1036 return false; 1037 1038 core_power = MOD_POWER_TO_CORE(mod_power); 1039 1040 *backlight_millinit = core_power->bl_state[inst].backlight_millinit; 1041 1042 return true; 1043 } 1044 1045 bool mod_power_get_backlight_percent(struct mod_power *mod_power, 1046 unsigned int *backlight_millipercent, 1047 unsigned int inst) 1048 { 1049 struct core_power *core_power = NULL; 1050 1051 if (mod_power == NULL) 1052 return false; 1053 1054 core_power = MOD_POWER_TO_CORE(mod_power); 1055 1056 *backlight_millipercent = core_power->bl_state[inst].backlight_millipercent; 1057 1058 return true; 1059 } 1060 1061 bool mod_power_get_hw_target_backlight_pwm_nits(struct mod_power *mod_power, 1062 const struct dc_link *link, 1063 unsigned int *backlight_millinit, 1064 unsigned int inst) 1065 { 1066 struct core_power *core_power = NULL; 1067 unsigned int backlight_u16_16 = 0; 1068 1069 if (mod_power == NULL) 1070 return false; 1071 1072 core_power = MOD_POWER_TO_CORE(mod_power); 1073 1074 if (mod_power_get_hw_target_backlight_pwm(mod_power, link, 1075 &backlight_u16_16)) { 1076 *backlight_millinit = 1077 backlight_pwm_to_millinit(core_power, 1078 backlight_u16_16, inst); 1079 return true; 1080 } 1081 return false; 1082 } 1083 1084 bool mod_power_get_hw_target_backlight_pwm_percent(struct mod_power *mod_power, 1085 const struct dc_link *link, 1086 unsigned int *backlight_millipercent, 1087 unsigned int inst) 1088 { 1089 struct core_power *core_power = NULL; 1090 unsigned int backlight_u16_16 = 0; 1091 1092 if (mod_power == NULL) 1093 return false; 1094 1095 core_power = MOD_POWER_TO_CORE(mod_power); 1096 1097 if (mod_power_get_hw_target_backlight_pwm(mod_power, link, 1098 &backlight_u16_16)) { 1099 *backlight_millipercent = 1100 backlight_pwm_to_millipercent(core_power, 1101 backlight_u16_16, inst); 1102 return true; 1103 } 1104 return false; 1105 } 1106 1107 bool mod_power_get_hw_target_backlight_pwm(struct mod_power *mod_power, 1108 const struct dc_link *link, 1109 unsigned int *backlight_u16_16) 1110 { 1111 if (mod_power == NULL) 1112 return false; 1113 1114 *backlight_u16_16 = dc_link_get_target_backlight_pwm(link); 1115 1116 return true; 1117 } 1118 1119 bool mod_power_get_hw_backlight_pwm_nits(struct mod_power *mod_power, 1120 const struct dc_link *link, 1121 unsigned int *backlight_millinit, 1122 unsigned int inst) 1123 { 1124 struct core_power *core_power = NULL; 1125 unsigned int backlight_u16_16 = 0; 1126 1127 if (mod_power == NULL) 1128 return false; 1129 1130 core_power = MOD_POWER_TO_CORE(mod_power); 1131 1132 if (mod_power_get_hw_backlight_pwm(mod_power, link, &backlight_u16_16)) { 1133 *backlight_millinit = 1134 backlight_pwm_to_millinit(core_power, 1135 backlight_u16_16, inst); 1136 return true; 1137 } 1138 return false; 1139 } 1140 1141 bool mod_power_get_hw_backlight_aux_nits(struct mod_power *mod_power, 1142 struct dc_stream_state **streams, int num_streams, 1143 unsigned int *backlight_millinit_avg, 1144 unsigned int *backlight_millinit_peak) 1145 { 1146 struct core_power *core_power = NULL; 1147 struct dc_link *link = NULL; 1148 int stream_index; 1149 1150 if (mod_power == NULL) 1151 return false; 1152 1153 core_power = MOD_POWER_TO_CORE(mod_power); 1154 1155 if (core_power == NULL) 1156 return false; 1157 1158 if (num_streams < 1) 1159 return true; 1160 1161 for (stream_index = 0; stream_index < num_streams; stream_index++) 1162 if (streams[stream_index]->link->connector_signal == SIGNAL_TYPE_EDP || 1163 streams[stream_index]->link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) 1164 break; 1165 1166 if (stream_index == num_streams) 1167 return false; 1168 1169 link = dc_stream_get_link(streams[stream_index]); 1170 if (link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 0) 1171 return false; 1172 1173 return dc_link_get_backlight_level_nits(link, backlight_millinit_avg, 1174 backlight_millinit_peak); 1175 } 1176 1177 bool mod_power_get_hw_backlight_pwm_percent(struct mod_power *mod_power, 1178 const struct dc_link *link, 1179 unsigned int *backlight_millipercent, 1180 unsigned int inst) 1181 { 1182 struct core_power *core_power = NULL; 1183 unsigned int backlight_u16_16 = 0; 1184 1185 if (mod_power == NULL) 1186 return false; 1187 1188 core_power = MOD_POWER_TO_CORE(mod_power); 1189 1190 if (mod_power_get_hw_backlight_pwm(mod_power, link, &backlight_u16_16)) { 1191 *backlight_millipercent = 1192 backlight_pwm_to_millipercent(core_power, 1193 backlight_u16_16, inst); 1194 return true; 1195 } 1196 return false; 1197 } 1198 1199 bool mod_power_get_hw_backlight_pwm(struct mod_power *mod_power, 1200 const struct dc_link *link, 1201 unsigned int *backlight_u16_16) 1202 { 1203 if (mod_power == NULL) 1204 return false; 1205 1206 *backlight_u16_16 = dc_link_get_backlight_level(link); 1207 1208 return true; 1209 } 1210 1211 bool mod_power_get_panel_backlight_boundaries( 1212 struct mod_power *mod_power, 1213 unsigned int *out_min_backlight, 1214 unsigned int *out_max_backlight, 1215 unsigned int *out_ac_backlight_percent, 1216 unsigned int *out_dc_backlight_percent, 1217 unsigned int inst) 1218 { 1219 struct core_power *core_power = NULL; 1220 1221 if (mod_power == NULL) 1222 return false; 1223 1224 core_power = MOD_POWER_TO_CORE(mod_power); 1225 1226 /* If cache was successfully updated, 1227 * copy the values to output structure and return success 1228 */ 1229 if (core_power->bl_prop[inst].backlight_caps_valid) { 1230 *out_min_backlight = core_power->bl_prop[inst].backlight_lut[0]; 1231 *out_max_backlight = 1232 core_power->bl_prop[inst].backlight_lut[ 1233 core_power->bl_prop[inst].num_backlight_levels - 1]; 1234 *out_ac_backlight_percent = 1235 core_power->bl_prop[inst].ac_backlight_percent; 1236 *out_dc_backlight_percent = 1237 core_power->bl_prop[inst].dc_backlight_percent; 1238 1239 return true; 1240 } 1241 1242 return false; 1243 } 1244 1245 bool mod_power_set_smooth_brightness(struct mod_power *mod_power, 1246 bool enable_brightness, 1247 unsigned int inst) 1248 { 1249 struct core_power *core_power = NULL; 1250 1251 if (mod_power == NULL) 1252 return false; 1253 1254 core_power = MOD_POWER_TO_CORE(mod_power); 1255 1256 core_power->bl_state[inst].smooth_brightness_enabled = enable_brightness; 1257 1258 return true; 1259 } 1260 1261 bool mod_power_varibright_feature_enable(struct mod_power *mod_power, bool enable, 1262 struct dc_stream_update *stream_update) 1263 { 1264 struct core_power *core_power = NULL; 1265 1266 if (mod_power == NULL) 1267 return false; 1268 1269 core_power = MOD_POWER_TO_CORE(mod_power); 1270 core_power->varibright_prop.varibright_user_enable = enable; 1271 1272 /* find abm hw level to program, and save in stream update */ 1273 varibright_set_level(core_power); 1274 *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; 1275 1276 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1277 WPP_BIT_FLAG_Backlight_ABM, 1278 ">ABM feature enable: enable=%u su->varibright_level=%u varibright_hw_level=%u", 1279 (unsigned int) enable, 1280 *stream_update->abm_level, 1281 core_power->varibright_prop.varibright_hw_level); 1282 return true; 1283 } 1284 1285 bool mod_power_varibright_activate(struct mod_power *mod_power, 1286 bool activate, 1287 struct dc_stream_update *stream_update) 1288 { 1289 struct core_power *core_power = NULL; 1290 1291 if (mod_power == NULL) 1292 return false; 1293 1294 core_power = MOD_POWER_TO_CORE(mod_power); 1295 core_power->varibright_prop.varibright_active = activate; 1296 1297 /* find abm hw level to program, and save in stream update */ 1298 varibright_set_level(core_power); 1299 *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; 1300 1301 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1302 WPP_BIT_FLAG_Backlight_ABM, 1303 ">ABM activate: activate=%u su->varibright_level=%u", 1304 (unsigned int) activate, 1305 *stream_update->abm_level); 1306 return true; 1307 } 1308 bool mod_power_varibright_set_level(struct mod_power *mod_power, unsigned int level, 1309 struct dc_stream_update *stream_update) 1310 { 1311 struct core_power *core_power = NULL; 1312 1313 if (mod_power == NULL) 1314 return false; 1315 1316 core_power = MOD_POWER_TO_CORE(mod_power); 1317 core_power->varibright_prop.varibright_level = level; 1318 core_power->varibright_prop.varibright_hw_level = level; 1319 1320 /* find abm hw level to program, and save in stream update */ 1321 varibright_set_level(core_power); 1322 *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; 1323 1324 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1325 WPP_BIT_FLAG_Backlight_ABM, 1326 ">ABM set level: level=%u -> (varibright_level=%u varibright_hw_level=%u) -> su->varibright_level=%u", 1327 level, 1328 core_power->varibright_prop.varibright_level, 1329 core_power->varibright_prop.varibright_hw_level, 1330 *stream_update->abm_level); 1331 return true; 1332 } 1333 1334 bool mod_power_varibright_set_hw_level(struct mod_power *mod_power, unsigned int level, 1335 struct dc_stream_update *stream_update) 1336 { 1337 struct core_power *core_power = NULL; 1338 1339 if (mod_power == NULL) 1340 return false; 1341 1342 core_power = MOD_POWER_TO_CORE(mod_power); 1343 1344 if (level == 0 || level == ABM_LEVEL_IMMEDIATE_DISABLE) 1345 core_power->varibright_prop.varibright_active = 0; 1346 else 1347 core_power->varibright_prop.varibright_active = 1; 1348 core_power->varibright_prop.varibright_hw_level = level; 1349 *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; 1350 1351 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1352 WPP_BIT_FLAG_Backlight_ABM, 1353 ">ABM set level: level=%u -> (varibright_level=%u varibright_hw_level=%u) -> su->varibright_level=%u", 1354 level, 1355 core_power->varibright_prop.varibright_level, 1356 core_power->varibright_prop.varibright_hw_level, 1357 *stream_update->abm_level); 1358 return true; 1359 } 1360 1361 bool mod_power_get_varibright_level(struct mod_power *mod_power, 1362 unsigned int *varibright_level) 1363 { 1364 struct core_power *core_power = NULL; 1365 1366 if (mod_power == NULL) 1367 return false; 1368 1369 core_power = MOD_POWER_TO_CORE(mod_power); 1370 1371 *varibright_level = core_power->varibright_prop.varibright_level; 1372 1373 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1374 WPP_BIT_FLAG_Backlight_ABM, 1375 ">get varibright level: cp->varibright_level=%u", 1376 *varibright_level); 1377 return true; 1378 1379 } 1380 1381 bool mod_power_get_varibright_hw_level(struct mod_power *mod_power, 1382 unsigned int *varibright_level) 1383 { 1384 struct core_power *core_power = NULL; 1385 1386 if (mod_power == NULL) 1387 return false; 1388 1389 core_power = MOD_POWER_TO_CORE(mod_power); 1390 1391 *varibright_level = core_power->varibright_prop.varibright_hw_level; 1392 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1393 WPP_BIT_FLAG_Backlight_ABM, 1394 ">get varibright HW level: hw_level=%u", 1395 *varibright_level); 1396 return true; 1397 } 1398 1399 bool mod_power_get_varibright_default_level(struct mod_power *mod_power, 1400 unsigned int *varibright_level) 1401 { 1402 struct core_power *core_power = NULL; 1403 1404 if (mod_power == NULL) 1405 return false; 1406 1407 core_power = MOD_POWER_TO_CORE(mod_power); 1408 1409 *varibright_level = core_power->varibright_prop.def_varibright_level; 1410 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1411 WPP_BIT_FLAG_Backlight_ABM, 1412 ">get varibright default level: def_varibright_level=%u", 1413 *varibright_level); 1414 return true; 1415 } 1416 1417 bool mod_power_get_varibright_enable(struct mod_power *mod_power, 1418 bool *varibright_enable) 1419 { 1420 struct core_power *core_power = NULL; 1421 1422 if (mod_power == NULL) 1423 return false; 1424 1425 core_power = MOD_POWER_TO_CORE(mod_power); 1426 1427 *varibright_enable = core_power->varibright_prop.varibright_user_enable; 1428 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1429 WPP_BIT_FLAG_Backlight_ABM, 1430 ">get varibright enable state: varibright_user_enable=%u", 1431 (unsigned int) (*varibright_enable)); 1432 return true; 1433 } 1434 1435 bool mod_power_is_abm_active(struct mod_power *mod_power, 1436 const struct dc_link *link, 1437 unsigned int inst) 1438 { 1439 unsigned int user_backlight = 0; 1440 unsigned int current_backlight = 0; 1441 bool is_active = false; 1442 1443 if (mod_power == NULL) 1444 return false; 1445 1446 mod_power_get_backlight_pwm(mod_power, &user_backlight, inst); 1447 mod_power_get_hw_backlight_pwm(mod_power, link, ¤t_backlight); 1448 1449 if (user_backlight != current_backlight) 1450 is_active = true; 1451 else 1452 is_active = false; 1453 DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, 1454 WPP_BIT_FLAG_Backlight_ABM, 1455 ">get ABM active state: is_active=%u (user_backlight_pwm=%u, current_backlight_pwm=%u)", 1456 (unsigned int)is_active, 1457 user_backlight, 1458 current_backlight); 1459 return is_active; 1460 } 1461 1462 bool mod_power_is_abm_supported(struct mod_power *mod_power, 1463 unsigned int inst) 1464 { 1465 struct core_power *core_power = NULL; 1466 struct dc *dc = NULL; 1467 1468 if (mod_power == NULL) 1469 return false; 1470 1471 core_power = MOD_POWER_TO_CORE(mod_power); 1472 dc = core_power->dc; 1473 1474 // It's only implemented on dmcub. 1475 if (dc->ctx->dmub_srv) { 1476 if (!dmub_is_abm_supported(dc->res_pool, inst)) 1477 return false; 1478 } else 1479 return false; 1480 1481 return true; 1482 } 1483 1484 bool mod_power_abm_set_event(struct mod_power *mod_power, 1485 unsigned int full_screen, unsigned int trans_info, 1486 unsigned int hdr_mode, unsigned int scaling_enable, 1487 unsigned int scaling_strength_map, unsigned int inst) 1488 { 1489 struct core_power *core_power = NULL; 1490 struct dc *dc = NULL; 1491 1492 if (mod_power == NULL) 1493 return false; 1494 1495 core_power = MOD_POWER_TO_CORE(mod_power); 1496 dc = core_power->dc; 1497 1498 // It's only implemented on dmcub. 1499 if (dc->ctx->dmub_srv) { 1500 if (!dmub_set_abm_event(dc->res_pool, full_screen, trans_info, 1501 hdr_mode, scaling_enable, scaling_strength_map, inst)) 1502 return false; 1503 } else 1504 return false; 1505 1506 return true; 1507 } 1508 1509 bool mod_power_abm_set_strength(struct mod_power *mod_power, 1510 unsigned int strength, 1511 unsigned int inst) 1512 { 1513 struct core_power *core_power = NULL; 1514 struct dc *dc = NULL; 1515 1516 if (mod_power == NULL) 1517 return false; 1518 1519 core_power = MOD_POWER_TO_CORE(mod_power); 1520 dc = core_power->dc; 1521 1522 // It's only implemented on dmcub. 1523 if (dc->ctx->dmub_srv) { 1524 if (!dmub_set_abm_strength(dc->res_pool, strength, inst)) 1525 return false; 1526 } else 1527 return false; 1528 1529 return true; 1530 } 1531 1532 static void fill_backlight_transform_table(struct dmcu_iram_parameters params, 1533 struct iram_table_v_2 *table) 1534 { 1535 unsigned int i; 1536 unsigned int num_entries = NUM_BL_CURVE_SEGS; 1537 unsigned int lut_index; 1538 1539 table->backlight_thresholds[0] = 0; 1540 ASSERT(params.backlight_lut_array[0] <= 0xFFFF); 1541 table->backlight_offsets[0] = (uint16_t)params.backlight_lut_array[0]; 1542 table->backlight_thresholds[num_entries-1] = 0xFFFF; 1543 ASSERT(params.backlight_lut_array[params.backlight_lut_array_size - 1] <= 0xFFFF); 1544 table->backlight_offsets[num_entries-1] = 1545 (uint16_t)params.backlight_lut_array[params.backlight_lut_array_size - 1]; 1546 1547 /* Setup all brightness levels between 0% and 100% exclusive 1548 * Fills brightness-to-backlight transform table. Backlight custom curve 1549 * describes transform from brightness to backlight. It will be defined 1550 * as set of thresholds and set of offsets, together, implying 1551 * extrapolation of custom curve into 16 uniformly spanned linear 1552 * segments. Each threshold/offset represented by 16 bit entry in 1553 * format U4.10. 1554 */ 1555 for (i = 1; i+1 < num_entries; i++) { 1556 lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1); 1557 1558 ASSERT(lut_index < params.backlight_lut_array_size); 1559 1560 unsigned int threshold_val = DIV_ROUNDUP((i * 65536), num_entries); 1561 unsigned int offset_val = params.backlight_lut_array[lut_index]; 1562 1563 ASSERT(threshold_val <= 0xFFFF); 1564 ASSERT(offset_val <= 0xFFFF); 1565 1566 table->backlight_thresholds[i] = cpu_to_be16((uint16_t)threshold_val); 1567 table->backlight_offsets[i] = cpu_to_be16((uint16_t)offset_val); 1568 } 1569 } 1570 1571 static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters params, 1572 struct iram_table_v_2_2 *table, bool big_endian) 1573 { 1574 unsigned int i; 1575 unsigned int num_entries = NUM_BL_CURVE_SEGS; 1576 unsigned int lut_index; 1577 1578 table->backlight_thresholds[0] = 0; 1579 ASSERT(params.backlight_lut_array[0] <= 0xFFFF); 1580 table->backlight_offsets[0] = (uint16_t)params.backlight_lut_array[0]; 1581 table->backlight_thresholds[num_entries-1] = 0xFFFF; 1582 ASSERT(params.backlight_lut_array[params.backlight_lut_array_size - 1] <= 0xFFFF); 1583 table->backlight_offsets[num_entries-1] = 1584 (uint16_t)params.backlight_lut_array[params.backlight_lut_array_size - 1]; 1585 1586 /* Setup all brightness levels between 0% and 100% exclusive 1587 * Fills brightness-to-backlight transform table. Backlight custom curve 1588 * describes transform from brightness to backlight. It will be defined 1589 * as set of thresholds and set of offsets, together, implying 1590 * extrapolation of custom curve into 16 uniformly spanned linear 1591 * segments. Each threshold/offset represented by 16 bit entry in 1592 * format U4.10. 1593 */ 1594 for (i = 1; i+1 < num_entries; i++) { 1595 lut_index = DIV_ROUNDUP((i * params.backlight_lut_array_size), num_entries); 1596 ASSERT(lut_index < params.backlight_lut_array_size); 1597 1598 unsigned int threshold_val = DIV_ROUNDUP((i * 65536), num_entries); 1599 unsigned int offset_val = params.backlight_lut_array[lut_index]; 1600 1601 ASSERT(threshold_val <= 0xFFFF); 1602 ASSERT(offset_val <= 0xFFFF); 1603 1604 table->backlight_thresholds[i] = (big_endian) ? 1605 cpu_to_be16((uint16_t)threshold_val) : cpu_to_le16((uint16_t)threshold_val); 1606 table->backlight_offsets[i] = (big_endian) ? 1607 cpu_to_be16((uint16_t)offset_val) : cpu_to_le16((uint16_t)offset_val); 1608 } 1609 } 1610 1611 static void fill_iram_v_2(struct iram_table_v_2 *ram_table, struct dmcu_iram_parameters params) 1612 { 1613 unsigned int set = params.set; 1614 1615 ram_table->min_abm_backlight = 1616 cpu_to_be16(params.min_abm_backlight); 1617 ram_table->deviation_gain = 0xb3; 1618 1619 ram_table->blRampReduction = 1620 cpu_to_be16(params.backlight_ramping_reduction); 1621 ram_table->blRampStart = 1622 cpu_to_be16(params.backlight_ramping_start); 1623 1624 ram_table->min_reduction[0][0] = min_reduction_table[abm_config[set][0]]; 1625 ram_table->min_reduction[1][0] = min_reduction_table[abm_config[set][0]]; 1626 ram_table->min_reduction[2][0] = min_reduction_table[abm_config[set][0]]; 1627 ram_table->min_reduction[3][0] = min_reduction_table[abm_config[set][0]]; 1628 ram_table->min_reduction[4][0] = min_reduction_table[abm_config[set][0]]; 1629 ram_table->max_reduction[0][0] = max_reduction_table[abm_config[set][0]]; 1630 ram_table->max_reduction[1][0] = max_reduction_table[abm_config[set][0]]; 1631 ram_table->max_reduction[2][0] = max_reduction_table[abm_config[set][0]]; 1632 ram_table->max_reduction[3][0] = max_reduction_table[abm_config[set][0]]; 1633 ram_table->max_reduction[4][0] = max_reduction_table[abm_config[set][0]]; 1634 1635 ram_table->min_reduction[0][1] = min_reduction_table[abm_config[set][1]]; 1636 ram_table->min_reduction[1][1] = min_reduction_table[abm_config[set][1]]; 1637 ram_table->min_reduction[2][1] = min_reduction_table[abm_config[set][1]]; 1638 ram_table->min_reduction[3][1] = min_reduction_table[abm_config[set][1]]; 1639 ram_table->min_reduction[4][1] = min_reduction_table[abm_config[set][1]]; 1640 ram_table->max_reduction[0][1] = max_reduction_table[abm_config[set][1]]; 1641 ram_table->max_reduction[1][1] = max_reduction_table[abm_config[set][1]]; 1642 ram_table->max_reduction[2][1] = max_reduction_table[abm_config[set][1]]; 1643 ram_table->max_reduction[3][1] = max_reduction_table[abm_config[set][1]]; 1644 ram_table->max_reduction[4][1] = max_reduction_table[abm_config[set][1]]; 1645 1646 ram_table->min_reduction[0][2] = min_reduction_table[abm_config[set][2]]; 1647 ram_table->min_reduction[1][2] = min_reduction_table[abm_config[set][2]]; 1648 ram_table->min_reduction[2][2] = min_reduction_table[abm_config[set][2]]; 1649 ram_table->min_reduction[3][2] = min_reduction_table[abm_config[set][2]]; 1650 ram_table->min_reduction[4][2] = min_reduction_table[abm_config[set][2]]; 1651 ram_table->max_reduction[0][2] = max_reduction_table[abm_config[set][2]]; 1652 ram_table->max_reduction[1][2] = max_reduction_table[abm_config[set][2]]; 1653 ram_table->max_reduction[2][2] = max_reduction_table[abm_config[set][2]]; 1654 ram_table->max_reduction[3][2] = max_reduction_table[abm_config[set][2]]; 1655 ram_table->max_reduction[4][2] = max_reduction_table[abm_config[set][2]]; 1656 1657 ram_table->min_reduction[0][3] = min_reduction_table[abm_config[set][3]]; 1658 ram_table->min_reduction[1][3] = min_reduction_table[abm_config[set][3]]; 1659 ram_table->min_reduction[2][3] = min_reduction_table[abm_config[set][3]]; 1660 ram_table->min_reduction[3][3] = min_reduction_table[abm_config[set][3]]; 1661 ram_table->min_reduction[4][3] = min_reduction_table[abm_config[set][3]]; 1662 ram_table->max_reduction[0][3] = max_reduction_table[abm_config[set][3]]; 1663 ram_table->max_reduction[1][3] = max_reduction_table[abm_config[set][3]]; 1664 ram_table->max_reduction[2][3] = max_reduction_table[abm_config[set][3]]; 1665 ram_table->max_reduction[3][3] = max_reduction_table[abm_config[set][3]]; 1666 ram_table->max_reduction[4][3] = max_reduction_table[abm_config[set][3]]; 1667 1668 ram_table->bright_pos_gain[0][0] = 0x20; 1669 ram_table->bright_pos_gain[0][1] = 0x20; 1670 ram_table->bright_pos_gain[0][2] = 0x20; 1671 ram_table->bright_pos_gain[0][3] = 0x20; 1672 ram_table->bright_pos_gain[1][0] = 0x20; 1673 ram_table->bright_pos_gain[1][1] = 0x20; 1674 ram_table->bright_pos_gain[1][2] = 0x20; 1675 ram_table->bright_pos_gain[1][3] = 0x20; 1676 ram_table->bright_pos_gain[2][0] = 0x20; 1677 ram_table->bright_pos_gain[2][1] = 0x20; 1678 ram_table->bright_pos_gain[2][2] = 0x20; 1679 ram_table->bright_pos_gain[2][3] = 0x20; 1680 ram_table->bright_pos_gain[3][0] = 0x20; 1681 ram_table->bright_pos_gain[3][1] = 0x20; 1682 ram_table->bright_pos_gain[3][2] = 0x20; 1683 ram_table->bright_pos_gain[3][3] = 0x20; 1684 ram_table->bright_pos_gain[4][0] = 0x20; 1685 ram_table->bright_pos_gain[4][1] = 0x20; 1686 ram_table->bright_pos_gain[4][2] = 0x20; 1687 ram_table->bright_pos_gain[4][3] = 0x20; 1688 ram_table->bright_neg_gain[0][0] = 0x00; 1689 ram_table->bright_neg_gain[0][1] = 0x00; 1690 ram_table->bright_neg_gain[0][2] = 0x00; 1691 ram_table->bright_neg_gain[0][3] = 0x00; 1692 ram_table->bright_neg_gain[1][0] = 0x00; 1693 ram_table->bright_neg_gain[1][1] = 0x00; 1694 ram_table->bright_neg_gain[1][2] = 0x00; 1695 ram_table->bright_neg_gain[1][3] = 0x00; 1696 ram_table->bright_neg_gain[2][0] = 0x00; 1697 ram_table->bright_neg_gain[2][1] = 0x00; 1698 ram_table->bright_neg_gain[2][2] = 0x00; 1699 ram_table->bright_neg_gain[2][3] = 0x00; 1700 ram_table->bright_neg_gain[3][0] = 0x00; 1701 ram_table->bright_neg_gain[3][1] = 0x00; 1702 ram_table->bright_neg_gain[3][2] = 0x00; 1703 ram_table->bright_neg_gain[3][3] = 0x00; 1704 ram_table->bright_neg_gain[4][0] = 0x00; 1705 ram_table->bright_neg_gain[4][1] = 0x00; 1706 ram_table->bright_neg_gain[4][2] = 0x00; 1707 ram_table->bright_neg_gain[4][3] = 0x00; 1708 ram_table->dark_pos_gain[0][0] = 0x00; 1709 ram_table->dark_pos_gain[0][1] = 0x00; 1710 ram_table->dark_pos_gain[0][2] = 0x00; 1711 ram_table->dark_pos_gain[0][3] = 0x00; 1712 ram_table->dark_pos_gain[1][0] = 0x00; 1713 ram_table->dark_pos_gain[1][1] = 0x00; 1714 ram_table->dark_pos_gain[1][2] = 0x00; 1715 ram_table->dark_pos_gain[1][3] = 0x00; 1716 ram_table->dark_pos_gain[2][0] = 0x00; 1717 ram_table->dark_pos_gain[2][1] = 0x00; 1718 ram_table->dark_pos_gain[2][2] = 0x00; 1719 ram_table->dark_pos_gain[2][3] = 0x00; 1720 ram_table->dark_pos_gain[3][0] = 0x00; 1721 ram_table->dark_pos_gain[3][1] = 0x00; 1722 ram_table->dark_pos_gain[3][2] = 0x00; 1723 ram_table->dark_pos_gain[3][3] = 0x00; 1724 ram_table->dark_pos_gain[4][0] = 0x00; 1725 ram_table->dark_pos_gain[4][1] = 0x00; 1726 ram_table->dark_pos_gain[4][2] = 0x00; 1727 ram_table->dark_pos_gain[4][3] = 0x00; 1728 ram_table->dark_neg_gain[0][0] = 0x00; 1729 ram_table->dark_neg_gain[0][1] = 0x00; 1730 ram_table->dark_neg_gain[0][2] = 0x00; 1731 ram_table->dark_neg_gain[0][3] = 0x00; 1732 ram_table->dark_neg_gain[1][0] = 0x00; 1733 ram_table->dark_neg_gain[1][1] = 0x00; 1734 ram_table->dark_neg_gain[1][2] = 0x00; 1735 ram_table->dark_neg_gain[1][3] = 0x00; 1736 ram_table->dark_neg_gain[2][0] = 0x00; 1737 ram_table->dark_neg_gain[2][1] = 0x00; 1738 ram_table->dark_neg_gain[2][2] = 0x00; 1739 ram_table->dark_neg_gain[2][3] = 0x00; 1740 ram_table->dark_neg_gain[3][0] = 0x00; 1741 ram_table->dark_neg_gain[3][1] = 0x00; 1742 ram_table->dark_neg_gain[3][2] = 0x00; 1743 ram_table->dark_neg_gain[3][3] = 0x00; 1744 ram_table->dark_neg_gain[4][0] = 0x00; 1745 ram_table->dark_neg_gain[4][1] = 0x00; 1746 ram_table->dark_neg_gain[4][2] = 0x00; 1747 ram_table->dark_neg_gain[4][3] = 0x00; 1748 1749 ram_table->iir_curve[0] = 0x65; 1750 ram_table->iir_curve[1] = 0x65; 1751 ram_table->iir_curve[2] = 0x65; 1752 ram_table->iir_curve[3] = 0x65; 1753 ram_table->iir_curve[4] = 0x65; 1754 1755 //Gamma 2.4 1756 ram_table->crgb_thresh[0] = cpu_to_be16(0x13b6); 1757 ram_table->crgb_thresh[1] = cpu_to_be16(0x1648); 1758 ram_table->crgb_thresh[2] = cpu_to_be16(0x18e3); 1759 ram_table->crgb_thresh[3] = cpu_to_be16(0x1b41); 1760 ram_table->crgb_thresh[4] = cpu_to_be16(0x1d46); 1761 ram_table->crgb_thresh[5] = cpu_to_be16(0x1f21); 1762 ram_table->crgb_thresh[6] = cpu_to_be16(0x2167); 1763 ram_table->crgb_thresh[7] = cpu_to_be16(0x2384); 1764 ram_table->crgb_offset[0] = cpu_to_be16(0x2999); 1765 ram_table->crgb_offset[1] = cpu_to_be16(0x3999); 1766 ram_table->crgb_offset[2] = cpu_to_be16(0x4666); 1767 ram_table->crgb_offset[3] = cpu_to_be16(0x5999); 1768 ram_table->crgb_offset[4] = cpu_to_be16(0x6333); 1769 ram_table->crgb_offset[5] = cpu_to_be16(0x7800); 1770 ram_table->crgb_offset[6] = cpu_to_be16(0x8c00); 1771 ram_table->crgb_offset[7] = cpu_to_be16(0xa000); 1772 ram_table->crgb_slope[0] = cpu_to_be16(0x3147); 1773 ram_table->crgb_slope[1] = cpu_to_be16(0x2978); 1774 ram_table->crgb_slope[2] = cpu_to_be16(0x23a2); 1775 ram_table->crgb_slope[3] = cpu_to_be16(0x1f55); 1776 ram_table->crgb_slope[4] = cpu_to_be16(0x1c63); 1777 ram_table->crgb_slope[5] = cpu_to_be16(0x1a0f); 1778 ram_table->crgb_slope[6] = cpu_to_be16(0x178d); 1779 ram_table->crgb_slope[7] = cpu_to_be16(0x15ab); 1780 1781 fill_backlight_transform_table( 1782 params, ram_table); 1783 } 1784 1785 static void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params) 1786 { 1787 unsigned int set = params.set; 1788 1789 ram_table->flags = 0x0; 1790 1791 ram_table->min_abm_backlight = 1792 cpu_to_be16(params.min_abm_backlight); 1793 1794 ram_table->deviation_gain[0] = 0xb3; 1795 ram_table->deviation_gain[1] = 0xa8; 1796 ram_table->deviation_gain[2] = 0x98; 1797 ram_table->deviation_gain[3] = 0x68; 1798 1799 ram_table->min_reduction[0][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 1800 ram_table->min_reduction[1][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 1801 ram_table->min_reduction[2][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 1802 ram_table->min_reduction[3][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 1803 ram_table->min_reduction[4][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 1804 ram_table->max_reduction[0][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 1805 ram_table->max_reduction[1][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 1806 ram_table->max_reduction[2][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 1807 ram_table->max_reduction[3][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 1808 ram_table->max_reduction[4][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 1809 1810 ram_table->min_reduction[0][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 1811 ram_table->min_reduction[1][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 1812 ram_table->min_reduction[2][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 1813 ram_table->min_reduction[3][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 1814 ram_table->min_reduction[4][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 1815 ram_table->max_reduction[0][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 1816 ram_table->max_reduction[1][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 1817 ram_table->max_reduction[2][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 1818 ram_table->max_reduction[3][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 1819 ram_table->max_reduction[4][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 1820 1821 ram_table->min_reduction[0][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 1822 ram_table->min_reduction[1][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 1823 ram_table->min_reduction[2][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 1824 ram_table->min_reduction[3][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 1825 ram_table->min_reduction[4][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 1826 ram_table->max_reduction[0][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 1827 ram_table->max_reduction[1][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 1828 ram_table->max_reduction[2][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 1829 ram_table->max_reduction[3][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 1830 ram_table->max_reduction[4][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 1831 1832 ram_table->min_reduction[0][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 1833 ram_table->min_reduction[1][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 1834 ram_table->min_reduction[2][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 1835 ram_table->min_reduction[3][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 1836 ram_table->min_reduction[4][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 1837 ram_table->max_reduction[0][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 1838 ram_table->max_reduction[1][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 1839 ram_table->max_reduction[2][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 1840 ram_table->max_reduction[3][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 1841 ram_table->max_reduction[4][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 1842 1843 ram_table->bright_pos_gain[0][0] = 0x20; 1844 ram_table->bright_pos_gain[0][1] = 0x20; 1845 ram_table->bright_pos_gain[0][2] = 0x20; 1846 ram_table->bright_pos_gain[0][3] = 0x20; 1847 ram_table->bright_pos_gain[1][0] = 0x20; 1848 ram_table->bright_pos_gain[1][1] = 0x20; 1849 ram_table->bright_pos_gain[1][2] = 0x20; 1850 ram_table->bright_pos_gain[1][3] = 0x20; 1851 ram_table->bright_pos_gain[2][0] = 0x20; 1852 ram_table->bright_pos_gain[2][1] = 0x20; 1853 ram_table->bright_pos_gain[2][2] = 0x20; 1854 ram_table->bright_pos_gain[2][3] = 0x20; 1855 ram_table->bright_pos_gain[3][0] = 0x20; 1856 ram_table->bright_pos_gain[3][1] = 0x20; 1857 ram_table->bright_pos_gain[3][2] = 0x20; 1858 ram_table->bright_pos_gain[3][3] = 0x20; 1859 ram_table->bright_pos_gain[4][0] = 0x20; 1860 ram_table->bright_pos_gain[4][1] = 0x20; 1861 ram_table->bright_pos_gain[4][2] = 0x20; 1862 ram_table->bright_pos_gain[4][3] = 0x20; 1863 1864 ram_table->dark_pos_gain[0][0] = 0x00; 1865 ram_table->dark_pos_gain[0][1] = 0x00; 1866 ram_table->dark_pos_gain[0][2] = 0x00; 1867 ram_table->dark_pos_gain[0][3] = 0x00; 1868 ram_table->dark_pos_gain[1][0] = 0x00; 1869 ram_table->dark_pos_gain[1][1] = 0x00; 1870 ram_table->dark_pos_gain[1][2] = 0x00; 1871 ram_table->dark_pos_gain[1][3] = 0x00; 1872 ram_table->dark_pos_gain[2][0] = 0x00; 1873 ram_table->dark_pos_gain[2][1] = 0x00; 1874 ram_table->dark_pos_gain[2][2] = 0x00; 1875 ram_table->dark_pos_gain[2][3] = 0x00; 1876 ram_table->dark_pos_gain[3][0] = 0x00; 1877 ram_table->dark_pos_gain[3][1] = 0x00; 1878 ram_table->dark_pos_gain[3][2] = 0x00; 1879 ram_table->dark_pos_gain[3][3] = 0x00; 1880 ram_table->dark_pos_gain[4][0] = 0x00; 1881 ram_table->dark_pos_gain[4][1] = 0x00; 1882 ram_table->dark_pos_gain[4][2] = 0x00; 1883 ram_table->dark_pos_gain[4][3] = 0x00; 1884 1885 ram_table->hybrid_factor[0] = 0xff; 1886 ram_table->hybrid_factor[1] = 0xff; 1887 ram_table->hybrid_factor[2] = 0xff; 1888 ram_table->hybrid_factor[3] = 0xc0; 1889 1890 ram_table->contrast_factor[0] = 0x99; 1891 ram_table->contrast_factor[1] = 0x99; 1892 ram_table->contrast_factor[2] = 0x90; 1893 ram_table->contrast_factor[3] = 0x80; 1894 1895 ram_table->iir_curve[0] = 0x65; 1896 ram_table->iir_curve[1] = 0x65; 1897 ram_table->iir_curve[2] = 0x65; 1898 ram_table->iir_curve[3] = 0x65; 1899 ram_table->iir_curve[4] = 0x65; 1900 1901 //Gamma 2.2 1902 ram_table->crgb_thresh[0] = cpu_to_be16(0x127c); 1903 ram_table->crgb_thresh[1] = cpu_to_be16(0x151b); 1904 ram_table->crgb_thresh[2] = cpu_to_be16(0x17d5); 1905 ram_table->crgb_thresh[3] = cpu_to_be16(0x1a56); 1906 ram_table->crgb_thresh[4] = cpu_to_be16(0x1c83); 1907 ram_table->crgb_thresh[5] = cpu_to_be16(0x1e72); 1908 ram_table->crgb_thresh[6] = cpu_to_be16(0x20f0); 1909 ram_table->crgb_thresh[7] = cpu_to_be16(0x232b); 1910 ram_table->crgb_offset[0] = cpu_to_be16(0x2999); 1911 ram_table->crgb_offset[1] = cpu_to_be16(0x3999); 1912 ram_table->crgb_offset[2] = cpu_to_be16(0x4666); 1913 ram_table->crgb_offset[3] = cpu_to_be16(0x5999); 1914 ram_table->crgb_offset[4] = cpu_to_be16(0x6333); 1915 ram_table->crgb_offset[5] = cpu_to_be16(0x7800); 1916 ram_table->crgb_offset[6] = cpu_to_be16(0x8c00); 1917 ram_table->crgb_offset[7] = cpu_to_be16(0xa000); 1918 ram_table->crgb_slope[0] = cpu_to_be16(0x3609); 1919 ram_table->crgb_slope[1] = cpu_to_be16(0x2dfa); 1920 ram_table->crgb_slope[2] = cpu_to_be16(0x27ea); 1921 ram_table->crgb_slope[3] = cpu_to_be16(0x235d); 1922 ram_table->crgb_slope[4] = cpu_to_be16(0x2042); 1923 ram_table->crgb_slope[5] = cpu_to_be16(0x1dc3); 1924 ram_table->crgb_slope[6] = cpu_to_be16(0x1b1a); 1925 ram_table->crgb_slope[7] = cpu_to_be16(0x1910); 1926 1927 fill_backlight_transform_table_v_2_2( 1928 params, ram_table, true); 1929 } 1930 1931 static void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params, bool big_endian) 1932 { 1933 unsigned int i, j; 1934 unsigned int set = params.set; 1935 1936 ram_table->flags = 0x0; 1937 ram_table->min_abm_backlight = (uint16_t)((big_endian) ? 1938 cpu_to_be16(params.min_abm_backlight) : 1939 cpu_to_le16(params.min_abm_backlight)); 1940 1941 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 1942 ram_table->hybrid_factor[i] = (uint8_t)abm_settings[set][i].brightness_gain; 1943 ram_table->contrast_factor[i] = abm_settings[set][i].contrast_factor; 1944 ram_table->deviation_gain[i] = abm_settings[set][i].deviation_gain; 1945 ram_table->min_knee[i] = abm_settings[set][i].min_knee; 1946 ram_table->max_knee[i] = abm_settings[set][i].max_knee; 1947 1948 for (j = 0; j < NUM_AMBI_LEVEL; j++) { 1949 ram_table->min_reduction[j][i] = abm_settings[set][i].min_reduction; 1950 ram_table->max_reduction[j][i] = abm_settings[set][i].max_reduction; 1951 ram_table->bright_pos_gain[j][i] = abm_settings[set][i].bright_pos_gain; 1952 ram_table->dark_pos_gain[j][i] = abm_settings[set][i].dark_pos_gain; 1953 } 1954 } 1955 1956 ram_table->iir_curve[0] = 0x65; 1957 ram_table->iir_curve[1] = 0x65; 1958 ram_table->iir_curve[2] = 0x65; 1959 ram_table->iir_curve[3] = 0x65; 1960 ram_table->iir_curve[4] = 0x65; 1961 1962 //Gamma 2.2 1963 ram_table->crgb_thresh[0] = bswap16_based_on_endian(big_endian, 0x127c); 1964 ram_table->crgb_thresh[1] = bswap16_based_on_endian(big_endian, 0x151b); 1965 ram_table->crgb_thresh[2] = bswap16_based_on_endian(big_endian, 0x17d5); 1966 ram_table->crgb_thresh[3] = bswap16_based_on_endian(big_endian, 0x1a56); 1967 ram_table->crgb_thresh[4] = bswap16_based_on_endian(big_endian, 0x1c83); 1968 ram_table->crgb_thresh[5] = bswap16_based_on_endian(big_endian, 0x1e72); 1969 ram_table->crgb_thresh[6] = bswap16_based_on_endian(big_endian, 0x20f0); 1970 ram_table->crgb_thresh[7] = bswap16_based_on_endian(big_endian, 0x232b); 1971 ram_table->crgb_offset[0] = bswap16_based_on_endian(big_endian, 0x2999); 1972 ram_table->crgb_offset[1] = bswap16_based_on_endian(big_endian, 0x3999); 1973 ram_table->crgb_offset[2] = bswap16_based_on_endian(big_endian, 0x4666); 1974 ram_table->crgb_offset[3] = bswap16_based_on_endian(big_endian, 0x5999); 1975 ram_table->crgb_offset[4] = bswap16_based_on_endian(big_endian, 0x6333); 1976 ram_table->crgb_offset[5] = bswap16_based_on_endian(big_endian, 0x7800); 1977 ram_table->crgb_offset[6] = bswap16_based_on_endian(big_endian, 0x8c00); 1978 ram_table->crgb_offset[7] = bswap16_based_on_endian(big_endian, 0xa000); 1979 ram_table->crgb_slope[0] = bswap16_based_on_endian(big_endian, 0x3609); 1980 ram_table->crgb_slope[1] = bswap16_based_on_endian(big_endian, 0x2dfa); 1981 ram_table->crgb_slope[2] = bswap16_based_on_endian(big_endian, 0x27ea); 1982 ram_table->crgb_slope[3] = bswap16_based_on_endian(big_endian, 0x235d); 1983 ram_table->crgb_slope[4] = bswap16_based_on_endian(big_endian, 0x2042); 1984 ram_table->crgb_slope[5] = bswap16_based_on_endian(big_endian, 0x1dc3); 1985 ram_table->crgb_slope[6] = bswap16_based_on_endian(big_endian, 0x1b1a); 1986 ram_table->crgb_slope[7] = bswap16_based_on_endian(big_endian, 0x1910); 1987 1988 fill_backlight_transform_table_v_2_2( 1989 params, ram_table, big_endian); 1990 } 1991 1992 bool dmub_init_abm_config(struct resource_pool *res_pool, 1993 struct dmcu_iram_parameters params, 1994 unsigned int inst) 1995 { 1996 struct iram_table_v_2_2 ram_table; 1997 struct abm_config_table config; 1998 unsigned int set = params.set; 1999 bool result = false; 2000 uint32_t i, j = 0; 2001 2002 if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL) 2003 return false; 2004 2005 memset(&ram_table, 0, sizeof(ram_table)); 2006 memset(&config, 0, sizeof(config)); 2007 2008 fill_iram_v_2_3(&ram_table, params, false); 2009 2010 // We must copy to structure that is aligned to 32-bit 2011 for (i = 0; i < NUM_POWER_FN_SEGS; i++) { 2012 config.crgb_thresh[i] = ram_table.crgb_thresh[i]; 2013 config.crgb_offset[i] = ram_table.crgb_offset[i]; 2014 config.crgb_slope[i] = ram_table.crgb_slope[i]; 2015 } 2016 2017 for (i = 0; i < NUM_BL_CURVE_SEGS; i++) { 2018 config.backlight_thresholds[i] = ram_table.backlight_thresholds[i]; 2019 config.backlight_offsets[i] = ram_table.backlight_offsets[i]; 2020 } 2021 2022 for (i = 0; i < NUM_AMBI_LEVEL; i++) 2023 config.iir_curve[i] = ram_table.iir_curve[i]; 2024 2025 for (i = 0; i < NUM_AMBI_LEVEL; i++) { 2026 for (j = 0; j < NUM_AGGR_LEVEL; j++) { 2027 config.min_reduction[i][j] = ram_table.min_reduction[i][j]; 2028 config.max_reduction[i][j] = ram_table.max_reduction[i][j]; 2029 config.bright_pos_gain[i][j] = ram_table.bright_pos_gain[i][j]; 2030 config.dark_pos_gain[i][j] = ram_table.dark_pos_gain[i][j]; 2031 } 2032 } 2033 2034 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 2035 config.hybrid_factor[i] = ram_table.hybrid_factor[i]; 2036 config.contrast_factor[i] = ram_table.contrast_factor[i]; 2037 config.deviation_gain[i] = ram_table.deviation_gain[i]; 2038 config.min_knee[i] = ram_table.min_knee[i]; 2039 config.max_knee[i] = ram_table.max_knee[i]; 2040 } 2041 2042 if (params.backlight_ramping_override) { 2043 2044 ASSERT(params.backlight_ramping_reduction <= 0xFFFF); 2045 ASSERT(params.backlight_ramping_start <= 0xFFFF); 2046 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 2047 config.blRampReduction[i] = (uint16_t)params.backlight_ramping_reduction; 2048 config.blRampStart[i] = (uint16_t)params.backlight_ramping_start; 2049 } 2050 } else { 2051 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 2052 config.blRampReduction[i] = abm_settings[set][i].blRampReduction; 2053 config.blRampStart[i] = abm_settings[set][i].blRampStart; 2054 } 2055 } 2056 2057 config.min_abm_backlight = ram_table.min_abm_backlight; 2058 2059 if (res_pool->multiple_abms[inst]) { 2060 result = res_pool->multiple_abms[inst]->funcs->init_abm_config( 2061 res_pool->multiple_abms[inst], (char *)(&config), sizeof(struct abm_config_table), inst); 2062 } else 2063 result = res_pool->abm->funcs->init_abm_config( 2064 res_pool->abm, (char *)(&config), sizeof(struct abm_config_table), 0); 2065 2066 return result; 2067 } 2068 2069 bool dmub_is_abm_supported(struct resource_pool *res_pool, unsigned int inst) 2070 { 2071 2072 if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL) 2073 return false; 2074 2075 return true; 2076 } 2077 2078 bool dmub_set_abm_event(struct resource_pool *res_pool, 2079 unsigned int full_screen, unsigned int trans_info, 2080 unsigned int hdr_mode, unsigned int scaling_enable, unsigned int scaling_strength_map, 2081 unsigned int inst) 2082 { 2083 bool result = false; 2084 2085 if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL) 2086 return false; 2087 2088 if (res_pool->multiple_abms[inst]) { 2089 if (res_pool->multiple_abms[inst]->funcs->set_abm_event) 2090 result = res_pool->multiple_abms[inst]->funcs->set_abm_event( 2091 res_pool->multiple_abms[inst], full_screen, trans_info, 2092 hdr_mode, scaling_enable, scaling_strength_map, inst); 2093 } else { 2094 if (res_pool->abm->funcs->set_abm_event) 2095 result = res_pool->abm->funcs->set_abm_event( 2096 res_pool->abm, full_screen, trans_info, 2097 hdr_mode, scaling_enable, scaling_strength_map, inst); 2098 } 2099 2100 return result; 2101 } 2102 2103 bool dmub_set_abm_strength(struct resource_pool *res_pool, 2104 unsigned int strength, 2105 unsigned int inst) 2106 { 2107 bool result = false; 2108 2109 if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL) 2110 return false; 2111 2112 if (res_pool->multiple_abms[inst]) { 2113 if (res_pool->multiple_abms[inst]->funcs->set_abm_level) 2114 result = res_pool->multiple_abms[inst]->funcs->set_abm_level( 2115 res_pool->multiple_abms[inst], strength); 2116 } else { 2117 if (res_pool->abm->funcs->set_abm_level) 2118 result = res_pool->abm->funcs->set_abm_level( 2119 res_pool->abm, strength); 2120 } 2121 2122 return result; 2123 } 2124 2125 bool dmcu_load_iram(struct dmcu *dmcu, 2126 struct dmcu_iram_parameters params) 2127 { 2128 unsigned char ram_table[IRAM_SIZE]; 2129 bool result = false; 2130 2131 if (dmcu == NULL) 2132 return false; 2133 2134 if (dmcu && !dmcu->funcs->is_dmcu_initialized(dmcu)) 2135 return true; 2136 2137 memset(&ram_table, 0, sizeof(ram_table)); 2138 2139 if (dmcu->dmcu_version.abm_version == 0x24) { 2140 fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); 2141 result = dmcu->funcs->load_iram(dmcu, 0, (char *)(&ram_table), 2142 IRAM_RESERVE_AREA_START_V2_2); 2143 } else if (dmcu->dmcu_version.abm_version == 0x23) { 2144 fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); 2145 2146 result = dmcu->funcs->load_iram( 2147 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); 2148 } else if (dmcu->dmcu_version.abm_version == 0x22) { 2149 fill_iram_v_2_2((struct iram_table_v_2_2 *)ram_table, params); 2150 2151 result = dmcu->funcs->load_iram( 2152 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); 2153 } else { 2154 fill_iram_v_2((struct iram_table_v_2 *)ram_table, params); 2155 2156 result = dmcu->funcs->load_iram( 2157 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2); 2158 2159 if (result) 2160 result = dmcu->funcs->load_iram( 2161 dmcu, IRAM_RESERVE_AREA_END_V2 + 1, 2162 (char *)(&ram_table) + IRAM_RESERVE_AREA_END_V2 + 1, 2163 sizeof(ram_table) - IRAM_RESERVE_AREA_END_V2 - 1); 2164 } 2165 2166 return result; 2167 } 2168 2169 bool fill_custom_backlight_caps(unsigned int config_no, struct dm_acpi_atif_backlight_caps *caps) 2170 { 2171 unsigned int data_points_size; 2172 uint64_t caps_size; 2173 2174 if (config_no >= ARRAY_SIZE(custom_backlight_profiles)) 2175 return false; 2176 2177 data_points_size = custom_backlight_profiles[config_no].num_data_points 2178 * sizeof(custom_backlight_profiles[config_no].data_points[0]); 2179 2180 caps_size = sizeof(struct dm_acpi_atif_backlight_caps) - sizeof(caps->data_points) + data_points_size; 2181 ASSERT(caps_size <= 0xFFFF); 2182 caps->size = (uint16_t)caps_size; 2183 caps->flags = 0; 2184 caps->error_code = 0; 2185 caps->ac_level_percentage = custom_backlight_profiles[config_no].ac_level_percentage; 2186 caps->dc_level_percentage = custom_backlight_profiles[config_no].dc_level_percentage; 2187 caps->min_input_signal = custom_backlight_profiles[config_no].min_input_signal; 2188 caps->max_input_signal = custom_backlight_profiles[config_no].max_input_signal; 2189 caps->num_data_points = (uint8_t)custom_backlight_profiles[config_no].num_data_points; 2190 memcpy(caps->data_points, custom_backlight_profiles[config_no].data_points, data_points_size); 2191 return true; 2192 } 2193