1 // SPDX-License-Identifier: MIT 2 // 3 // Copyright 2024 Advanced Micro Devices, Inc. 4 5 #include "dc_spl.h" 6 #include "dc_spl_scl_easf_filters.h" 7 #include "dc_spl_isharp_filters.h" 8 #include "spl_debug.h" 9 10 #define IDENTITY_RATIO(ratio) (spl_fixpt_u3d19(ratio) == (1 << 19)) 11 #define MIN_VIEWPORT_SIZE 12 12 13 static bool spl_is_yuv420(enum spl_pixel_format format) 14 { 15 if ((format >= SPL_PIXEL_FORMAT_420BPP8) && 16 (format <= SPL_PIXEL_FORMAT_420BPP10)) 17 return true; 18 19 return false; 20 } 21 22 static bool spl_is_rgb8(enum spl_pixel_format format) 23 { 24 if (format == SPL_PIXEL_FORMAT_ARGB8888) 25 return true; 26 27 return false; 28 } 29 30 static bool spl_is_video_format(enum spl_pixel_format format) 31 { 32 if (format >= SPL_PIXEL_FORMAT_VIDEO_BEGIN 33 && format <= SPL_PIXEL_FORMAT_VIDEO_END) 34 return true; 35 else 36 return false; 37 } 38 39 static bool spl_is_subsampled_format(enum spl_pixel_format format) 40 { 41 if (format >= SPL_PIXEL_FORMAT_SUBSAMPLED_BEGIN 42 && format <= SPL_PIXEL_FORMAT_SUBSAMPLED_END) 43 return true; 44 else 45 return false; 46 } 47 48 static struct spl_rect intersect_rec(const struct spl_rect *r0, const struct spl_rect *r1) 49 { 50 struct spl_rect rec; 51 int r0_x_end = r0->x + r0->width; 52 int r1_x_end = r1->x + r1->width; 53 int r0_y_end = r0->y + r0->height; 54 int r1_y_end = r1->y + r1->height; 55 56 rec.x = r0->x > r1->x ? r0->x : r1->x; 57 rec.width = r0_x_end > r1_x_end ? r1_x_end - rec.x : r0_x_end - rec.x; 58 rec.y = r0->y > r1->y ? r0->y : r1->y; 59 rec.height = r0_y_end > r1_y_end ? r1_y_end - rec.y : r0_y_end - rec.y; 60 61 /* in case that there is no intersection */ 62 if (rec.width < 0 || rec.height < 0) 63 memset(&rec, 0, sizeof(rec)); 64 65 return rec; 66 } 67 68 static struct spl_rect shift_rec(const struct spl_rect *rec_in, int x, int y) 69 { 70 struct spl_rect rec_out = *rec_in; 71 72 rec_out.x += x; 73 rec_out.y += y; 74 75 return rec_out; 76 } 77 78 static void spl_opp_adjust_rect(struct spl_rect *rec, const struct spl_opp_adjust *adjust) 79 { 80 if ((rec->x + adjust->x) >= 0) 81 rec->x += adjust->x; 82 83 if ((rec->y + adjust->y) >= 0) 84 rec->y += adjust->y; 85 86 if ((rec->width + adjust->width) >= 1) 87 rec->width += adjust->width; 88 89 if ((rec->height + adjust->height) >= 1) 90 rec->height += adjust->height; 91 } 92 93 static struct spl_rect calculate_plane_rec_in_timing_active( 94 struct spl_in *spl_in, 95 const struct spl_rect *rec_in) 96 { 97 /* 98 * The following diagram shows an example where we map a 1920x1200 99 * desktop to a 2560x1440 timing with a plane rect in the middle 100 * of the screen. To map a plane rect from Stream Source to Timing 101 * Active space, we first multiply stream scaling ratios (i.e 2304/1920 102 * horizontal and 1440/1200 vertical) to the plane's x and y, then 103 * we add stream destination offsets (i.e 128 horizontal, 0 vertical). 104 * This will give us a plane rect's position in Timing Active. However 105 * we have to remove the fractional. The rule is that we find left/right 106 * and top/bottom positions and round the value to the adjacent integer. 107 * 108 * Stream Source Space 109 * ------------ 110 * __________________________________________________ 111 * |Stream Source (1920 x 1200) ^ | 112 * | y | 113 * | <------- w --------|> | 114 * | __________________V | 115 * |<-- x -->|Plane//////////////| ^ | 116 * | |(pre scale)////////| | | 117 * | |///////////////////| | | 118 * | |///////////////////| h | 119 * | |///////////////////| | | 120 * | |///////////////////| | | 121 * | |///////////////////| V | 122 * | | 123 * | | 124 * |__________________________________________________| 125 * 126 * 127 * Timing Active Space 128 * --------------------------------- 129 * 130 * Timing Active (2560 x 1440) 131 * __________________________________________________ 132 * |*****| Stteam Destination (2304 x 1440) |*****| 133 * |*****| |*****| 134 * |<128>| |*****| 135 * |*****| __________________ |*****| 136 * |*****| |Plane/////////////| |*****| 137 * |*****| |(post scale)//////| |*****| 138 * |*****| |//////////////////| |*****| 139 * |*****| |//////////////////| |*****| 140 * |*****| |//////////////////| |*****| 141 * |*****| |//////////////////| |*****| 142 * |*****| |*****| 143 * |*****| |*****| 144 * |*****| |*****| 145 * |*****|______________________________________|*****| 146 * 147 * So the resulting formulas are shown below: 148 * 149 * recout_x = 128 + round(plane_x * 2304 / 1920) 150 * recout_w = 128 + round((plane_x + plane_w) * 2304 / 1920) - recout_x 151 * recout_y = 0 + round(plane_y * 1440 / 1200) 152 * recout_h = 0 + round((plane_y + plane_h) * 1440 / 1200) - recout_y 153 * 154 * NOTE: fixed point division is not error free. To reduce errors 155 * introduced by fixed point division, we divide only after 156 * multiplication is complete. 157 */ 158 const struct spl_rect *stream_src = &spl_in->basic_out.src_rect; 159 const struct spl_rect *stream_dst = &spl_in->basic_out.dst_rect; 160 struct spl_rect rec_out = {0}; 161 struct spl_fixed31_32 temp; 162 163 164 temp = spl_fixpt_from_fraction(rec_in->x * (long long)stream_dst->width, 165 stream_src->width); 166 rec_out.x = stream_dst->x + spl_fixpt_round(temp); 167 168 temp = spl_fixpt_from_fraction( 169 (rec_in->x + rec_in->width) * (long long)stream_dst->width, 170 stream_src->width); 171 rec_out.width = stream_dst->x + spl_fixpt_round(temp) - rec_out.x; 172 173 temp = spl_fixpt_from_fraction(rec_in->y * (long long)stream_dst->height, 174 stream_src->height); 175 rec_out.y = stream_dst->y + spl_fixpt_round(temp); 176 177 temp = spl_fixpt_from_fraction( 178 (rec_in->y + rec_in->height) * (long long)stream_dst->height, 179 stream_src->height); 180 rec_out.height = stream_dst->y + spl_fixpt_round(temp) - rec_out.y; 181 182 return rec_out; 183 } 184 185 static struct spl_rect calculate_mpc_slice_in_timing_active( 186 struct spl_in *spl_in, 187 struct spl_rect *plane_clip_rec) 188 { 189 bool use_recout_width_aligned = 190 spl_in->basic_in.num_h_slices_recout_width_align.use_recout_width_aligned; 191 int mpc_slice_count = 192 spl_in->basic_in.num_h_slices_recout_width_align.num_slices_recout_width.mpc_num_h_slices; 193 int recout_width_align = 194 spl_in->basic_in.num_h_slices_recout_width_align.num_slices_recout_width.mpc_recout_width_align; 195 int mpc_slice_idx = spl_in->basic_in.mpc_h_slice_index; 196 int epimo = mpc_slice_count - plane_clip_rec->width % mpc_slice_count - 1; 197 struct spl_rect mpc_rec; 198 199 if (spl_in->basic_in.custom_width != 0) { 200 mpc_rec.width = spl_in->basic_in.custom_width; 201 mpc_rec.x = spl_in->basic_in.custom_x; 202 mpc_rec.height = plane_clip_rec->height; 203 mpc_rec.y = plane_clip_rec->y; 204 } else if (use_recout_width_aligned) { 205 mpc_rec.width = recout_width_align; 206 if ((mpc_rec.width * (mpc_slice_idx + 1)) > plane_clip_rec->width) { 207 mpc_rec.width = plane_clip_rec->width % recout_width_align; 208 mpc_rec.x = plane_clip_rec->x + recout_width_align * mpc_slice_idx; 209 } else 210 mpc_rec.x = plane_clip_rec->x + mpc_rec.width * mpc_slice_idx; 211 mpc_rec.height = plane_clip_rec->height; 212 mpc_rec.y = plane_clip_rec->y; 213 214 } else { 215 mpc_rec.width = plane_clip_rec->width / mpc_slice_count; 216 mpc_rec.x = plane_clip_rec->x + mpc_rec.width * mpc_slice_idx; 217 mpc_rec.height = plane_clip_rec->height; 218 mpc_rec.y = plane_clip_rec->y; 219 } 220 SPL_ASSERT(mpc_slice_count == 1 || 221 spl_in->basic_out.view_format != SPL_VIEW_3D_SIDE_BY_SIDE || 222 mpc_rec.width % 2 == 0); 223 224 /* extra pixels in the division remainder need to go to pipes after 225 * the extra pixel index minus one(epimo) defined here as: 226 */ 227 if (mpc_slice_idx > epimo && spl_in->basic_in.custom_width == 0) { 228 mpc_rec.x += mpc_slice_idx - epimo - 1; 229 mpc_rec.width += 1; 230 } 231 232 if (spl_in->basic_out.view_format == SPL_VIEW_3D_TOP_AND_BOTTOM) { 233 SPL_ASSERT(mpc_rec.height % 2 == 0); 234 mpc_rec.height /= 2; 235 } 236 return mpc_rec; 237 } 238 239 static struct spl_rect calculate_odm_slice_in_timing_active(struct spl_in *spl_in) 240 { 241 int odm_slice_count = spl_in->basic_out.odm_combine_factor; 242 int odm_slice_idx = spl_in->odm_slice_index; 243 bool is_last_odm_slice = (odm_slice_idx + 1) == odm_slice_count; 244 int h_active = spl_in->basic_out.output_size.width; 245 int v_active = spl_in->basic_out.output_size.height; 246 int odm_slice_width; 247 struct spl_rect odm_rec; 248 249 if (spl_in->basic_out.odm_combine_factor > 0) { 250 odm_slice_width = h_active / odm_slice_count; 251 /* 252 * deprecated, caller must pass in odm slice rect i.e OPP input 253 * rect in timing active for the new interface. 254 */ 255 if (spl_in->basic_out.use_two_pixels_per_container && (odm_slice_width % 2)) 256 odm_slice_width++; 257 258 odm_rec.x = odm_slice_width * odm_slice_idx; 259 odm_rec.width = is_last_odm_slice ? 260 /* last slice width is the reminder of h_active */ 261 h_active - odm_slice_width * (odm_slice_count - 1) : 262 /* odm slice width is the floor of h_active / count */ 263 odm_slice_width; 264 odm_rec.y = 0; 265 odm_rec.height = v_active; 266 267 return odm_rec; 268 } 269 270 return spl_in->basic_out.odm_slice_rect; 271 } 272 273 static void spl_calculate_recout(struct spl_in *spl_in, struct spl_scratch *spl_scratch, struct spl_out *spl_out) 274 { 275 /* 276 * A plane clip represents the desired plane size and position in Stream 277 * Source Space. Stream Source is the destination where all planes are 278 * blended (i.e. positioned, scaled and overlaid). It is a canvas where 279 * all planes associated with the current stream are drawn together. 280 * After Stream Source is completed, we will further scale and 281 * reposition the entire canvas of the stream source to Stream 282 * Destination in Timing Active Space. This could be due to display 283 * overscan adjustment where we will need to rescale and reposition all 284 * the planes so they can fit into a TV with overscan or downscale 285 * upscale features such as GPU scaling or VSR. 286 * 287 * This two step blending is a virtual procedure in software. In 288 * hardware there is no such thing as Stream Source. all planes are 289 * blended once in Timing Active Space. Software virtualizes a Stream 290 * Source space to decouple the math complicity so scaling param 291 * calculation focuses on one step at a time. 292 * 293 * In the following two diagrams, user applied 10% overscan adjustment 294 * so the Stream Source needs to be scaled down a little before mapping 295 * to Timing Active Space. As a result the Plane Clip is also scaled 296 * down by the same ratio, Plane Clip position (i.e. x and y) with 297 * respect to Stream Source is also scaled down. To map it in Timing 298 * Active Space additional x and y offsets from Stream Destination are 299 * added to Plane Clip as well. 300 * 301 * Stream Source Space 302 * ------------ 303 * __________________________________________________ 304 * |Stream Source (3840 x 2160) ^ | 305 * | y | 306 * | | | 307 * | __________________V | 308 * |<-- x -->|Plane Clip/////////| | 309 * | |(pre scale)////////| | 310 * | |///////////////////| | 311 * | |///////////////////| | 312 * | |///////////////////| | 313 * | |///////////////////| | 314 * | |///////////////////| | 315 * | | 316 * | | 317 * |__________________________________________________| 318 * 319 * 320 * Timing Active Space (3840 x 2160) 321 * --------------------------------- 322 * 323 * Timing Active 324 * __________________________________________________ 325 * | y_____________________________________________ | 326 * |x |Stream Destination (3456 x 1944) | | 327 * | | | | 328 * | | __________________ | | 329 * | | |Plane Clip////////| | | 330 * | | |(post scale)//////| | | 331 * | | |//////////////////| | | 332 * | | |//////////////////| | | 333 * | | |//////////////////| | | 334 * | | |//////////////////| | | 335 * | | | | 336 * | | | | 337 * | |____________________________________________| | 338 * |__________________________________________________| 339 * 340 * 341 * In Timing Active Space a plane clip could be further sliced into 342 * pieces called MPC slices. Each Pipe Context is responsible for 343 * processing only one MPC slice so the plane processing workload can be 344 * distributed to multiple DPP Pipes. MPC slices could be blended 345 * together to a single ODM slice. Each ODM slice is responsible for 346 * processing a portion of Timing Active divided horizontally so the 347 * output pixel processing workload can be distributed to multiple OPP 348 * pipes. All ODM slices are mapped together in ODM block so all MPC 349 * slices belong to different ODM slices could be pieced together to 350 * form a single image in Timing Active. MPC slices must belong to 351 * single ODM slice. If an MPC slice goes across ODM slice boundary, it 352 * needs to be divided into two MPC slices one for each ODM slice. 353 * 354 * In the following diagram the output pixel processing workload is 355 * divided horizontally into two ODM slices one for each OPP blend tree. 356 * OPP0 blend tree is responsible for processing left half of Timing 357 * Active, while OPP2 blend tree is responsible for processing right 358 * half. 359 * 360 * The plane has two MPC slices. However since the right MPC slice goes 361 * across ODM boundary, two DPP pipes are needed one for each OPP blend 362 * tree. (i.e. DPP1 for OPP0 blend tree and DPP2 for OPP2 blend tree). 363 * 364 * Assuming that we have a Pipe Context associated with OPP0 and DPP1 365 * working on processing the plane in the diagram. We want to know the 366 * width and height of the shaded rectangle and its relative position 367 * with respect to the ODM slice0. This is called the recout of the pipe 368 * context. 369 * 370 * Planes can be at arbitrary size and position and there could be an 371 * arbitrary number of MPC and ODM slices. The algorithm needs to take 372 * all scenarios into account. 373 * 374 * Timing Active Space (3840 x 2160) 375 * --------------------------------- 376 * 377 * Timing Active 378 * __________________________________________________ 379 * |OPP0(ODM slice0)^ |OPP2(ODM slice1) | 380 * | y | | 381 * | | <- w -> | 382 * | _____V________|____ | 383 * | |DPP0 ^ |DPP1 |DPP2| | 384 * |<------ x |-----|->|/////| | | 385 * | | | |/////| | | 386 * | | h |/////| | | 387 * | | | |/////| | | 388 * | |_____V__|/////|____| | 389 * | | | 390 * | | | 391 * | | | 392 * |_________________________|________________________| 393 * 394 * 395 */ 396 struct spl_rect plane_clip; 397 struct spl_rect mpc_slice_of_plane_clip; 398 struct spl_rect odm_slice; 399 struct spl_rect overlapping_area; 400 401 plane_clip = calculate_plane_rec_in_timing_active(spl_in, 402 &spl_in->basic_in.clip_rect); 403 /* guard plane clip from drawing beyond stream dst here */ 404 plane_clip = intersect_rec(&plane_clip, 405 &spl_in->basic_out.dst_rect); 406 mpc_slice_of_plane_clip = calculate_mpc_slice_in_timing_active( 407 spl_in, &plane_clip); 408 odm_slice = calculate_odm_slice_in_timing_active(spl_in); 409 overlapping_area = intersect_rec(&mpc_slice_of_plane_clip, &odm_slice); 410 411 if (overlapping_area.height > 0 && 412 overlapping_area.width > 0) { 413 /* shift the overlapping area so it is with respect to current 414 * ODM slice's position 415 */ 416 spl_scratch->scl_data.recout = shift_rec( 417 &overlapping_area, 418 -odm_slice.x, -odm_slice.y); 419 spl_scratch->scl_data.recout.height -= 420 spl_in->debug.visual_confirm_base_offset; 421 spl_scratch->scl_data.recout.height -= 422 spl_in->debug.visual_confirm_dpp_offset; 423 } else 424 /* if there is no overlap, zero recout */ 425 memset(&spl_scratch->scl_data.recout, 0, 426 sizeof(struct spl_rect)); 427 } 428 429 /* Calculate scaling ratios */ 430 static void spl_calculate_scaling_ratios(struct spl_in *spl_in, 431 struct spl_scratch *spl_scratch, 432 struct spl_out *spl_out) 433 { 434 const int in_w = spl_in->basic_out.src_rect.width; 435 const int in_h = spl_in->basic_out.src_rect.height; 436 const int out_w = spl_in->basic_out.dst_rect.width; 437 const int out_h = spl_in->basic_out.dst_rect.height; 438 struct spl_rect surf_src = spl_in->basic_in.src_rect; 439 440 /*Swap surf_src height and width since scaling ratios are in recout rotation*/ 441 if (spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_90 || 442 spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_270) 443 spl_swap(surf_src.height, surf_src.width); 444 445 spl_scratch->scl_data.ratios.horz = spl_fixpt_from_fraction( 446 surf_src.width, 447 spl_in->basic_in.dst_rect.width); 448 spl_scratch->scl_data.ratios.vert = spl_fixpt_from_fraction( 449 surf_src.height, 450 spl_in->basic_in.dst_rect.height); 451 452 if (spl_in->basic_out.view_format == SPL_VIEW_3D_SIDE_BY_SIDE) 453 spl_scratch->scl_data.ratios.horz.value *= 2; 454 else if (spl_in->basic_out.view_format == SPL_VIEW_3D_TOP_AND_BOTTOM) 455 spl_scratch->scl_data.ratios.vert.value *= 2; 456 457 spl_scratch->scl_data.ratios.vert.value = spl_div64_s64( 458 spl_scratch->scl_data.ratios.vert.value * in_h, out_h); 459 spl_scratch->scl_data.ratios.horz.value = spl_div64_s64( 460 spl_scratch->scl_data.ratios.horz.value * in_w, out_w); 461 462 spl_scratch->scl_data.ratios.horz_c = spl_scratch->scl_data.ratios.horz; 463 spl_scratch->scl_data.ratios.vert_c = spl_scratch->scl_data.ratios.vert; 464 465 if (spl_is_yuv420(spl_in->basic_in.format)) { 466 spl_scratch->scl_data.ratios.horz_c.value /= 2; 467 spl_scratch->scl_data.ratios.vert_c.value /= 2; 468 } 469 spl_scratch->scl_data.ratios.horz = spl_fixpt_truncate( 470 spl_scratch->scl_data.ratios.horz, 19); 471 spl_scratch->scl_data.ratios.vert = spl_fixpt_truncate( 472 spl_scratch->scl_data.ratios.vert, 19); 473 spl_scratch->scl_data.ratios.horz_c = spl_fixpt_truncate( 474 spl_scratch->scl_data.ratios.horz_c, 19); 475 spl_scratch->scl_data.ratios.vert_c = spl_fixpt_truncate( 476 spl_scratch->scl_data.ratios.vert_c, 19); 477 478 /* 479 * Coefficient table and some registers are different based on ratio 480 * that is output/input. Currently we calculate input/output 481 * Store 1/ratio in recip_ratio for those lookups 482 */ 483 spl_scratch->scl_data.recip_ratios.horz = spl_fixpt_recip( 484 spl_scratch->scl_data.ratios.horz); 485 spl_scratch->scl_data.recip_ratios.vert = spl_fixpt_recip( 486 spl_scratch->scl_data.ratios.vert); 487 spl_scratch->scl_data.recip_ratios.horz_c = spl_fixpt_recip( 488 spl_scratch->scl_data.ratios.horz_c); 489 spl_scratch->scl_data.recip_ratios.vert_c = spl_fixpt_recip( 490 spl_scratch->scl_data.ratios.vert_c); 491 } 492 493 /* Calculate Viewport size */ 494 static void spl_calculate_viewport_size(struct spl_in *spl_in, struct spl_scratch *spl_scratch) 495 { 496 spl_scratch->scl_data.viewport.width = spl_fixpt_ceil(spl_fixpt_mul_int(spl_scratch->scl_data.ratios.horz, 497 spl_scratch->scl_data.recout.width)); 498 spl_scratch->scl_data.viewport.height = spl_fixpt_ceil(spl_fixpt_mul_int(spl_scratch->scl_data.ratios.vert, 499 spl_scratch->scl_data.recout.height)); 500 spl_scratch->scl_data.viewport_c.width = spl_fixpt_ceil(spl_fixpt_mul_int(spl_scratch->scl_data.ratios.horz_c, 501 spl_scratch->scl_data.recout.width)); 502 spl_scratch->scl_data.viewport_c.height = spl_fixpt_ceil(spl_fixpt_mul_int(spl_scratch->scl_data.ratios.vert_c, 503 spl_scratch->scl_data.recout.height)); 504 if (spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_90 || 505 spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_270) { 506 spl_swap(spl_scratch->scl_data.viewport.width, spl_scratch->scl_data.viewport.height); 507 spl_swap(spl_scratch->scl_data.viewport_c.width, spl_scratch->scl_data.viewport_c.height); 508 } 509 } 510 511 static void spl_get_vp_scan_direction(enum spl_rotation_angle rotation, 512 bool horizontal_mirror, 513 bool *orthogonal_rotation, 514 bool *flip_vert_scan_dir, 515 bool *flip_horz_scan_dir) 516 { 517 *orthogonal_rotation = false; 518 *flip_vert_scan_dir = false; 519 *flip_horz_scan_dir = false; 520 if (rotation == SPL_ROTATION_ANGLE_180) { 521 *flip_vert_scan_dir = true; 522 *flip_horz_scan_dir = true; 523 } else if (rotation == SPL_ROTATION_ANGLE_90) { 524 *orthogonal_rotation = true; 525 *flip_horz_scan_dir = true; 526 } else if (rotation == SPL_ROTATION_ANGLE_270) { 527 *orthogonal_rotation = true; 528 *flip_vert_scan_dir = true; 529 } 530 531 if (horizontal_mirror) 532 *flip_horz_scan_dir = !*flip_horz_scan_dir; 533 } 534 535 /* 536 * We completely calculate vp offset, size and inits here based entirely on scaling 537 * ratios and recout for pixel perfect pipe combine. 538 */ 539 static void spl_calculate_init_and_vp(bool flip_scan_dir, 540 int recout_offset_within_recout_full, 541 int recout_size, 542 int src_size, 543 int taps, 544 struct spl_fixed31_32 ratio, 545 struct spl_fixed31_32 init_adj, 546 struct spl_fixed31_32 *init, 547 int *vp_offset, 548 int *vp_size) 549 { 550 struct spl_fixed31_32 temp; 551 int int_part; 552 553 /* 554 * First of the taps starts sampling pixel number <init_int_part> corresponding to recout 555 * pixel 1. Next recout pixel samples int part of <init + scaling ratio> and so on. 556 * All following calculations are based on this logic. 557 * 558 * Init calculated according to formula: 559 * init = (scaling_ratio + number_of_taps + 1) / 2 560 * init_bot = init + scaling_ratio 561 * to get pixel perfect combine add the fraction from calculating vp offset 562 */ 563 temp = spl_fixpt_mul_int(ratio, recout_offset_within_recout_full); 564 *vp_offset = spl_fixpt_floor(temp); 565 temp.value &= 0xffffffff; 566 *init = spl_fixpt_add(spl_fixpt_div_int(spl_fixpt_add_int(ratio, taps + 1), 2), temp); 567 *init = spl_fixpt_add(*init, init_adj); 568 *init = spl_fixpt_truncate(*init, 19); 569 570 /* 571 * If viewport has non 0 offset and there are more taps than covered by init then 572 * we should decrease the offset and increase init so we are never sampling 573 * outside of viewport. 574 */ 575 int_part = spl_fixpt_floor(*init); 576 if (int_part < taps) { 577 int_part = taps - int_part; 578 if (int_part > *vp_offset) 579 int_part = *vp_offset; 580 *vp_offset -= int_part; 581 *init = spl_fixpt_add_int(*init, int_part); 582 } 583 /* 584 * If taps are sampling outside of viewport at end of recout and there are more pixels 585 * available in the surface we should increase the viewport size, regardless set vp to 586 * only what is used. 587 */ 588 temp = spl_fixpt_add(*init, spl_fixpt_mul_int(ratio, recout_size - 1)); 589 *vp_size = spl_fixpt_floor(temp); 590 if (*vp_size + *vp_offset > src_size) 591 *vp_size = src_size - *vp_offset; 592 593 /* We did all the math assuming we are scanning same direction as display does, 594 * however mirror/rotation changes how vp scans vs how it is offset. If scan direction 595 * is flipped we simply need to calculate offset from the other side of plane. 596 * Note that outside of viewport all scaling hardware works in recout space. 597 */ 598 if (flip_scan_dir) 599 *vp_offset = src_size - *vp_offset - *vp_size; 600 } 601 602 /*Calculate inits and viewport */ 603 static void spl_calculate_inits_and_viewports(struct spl_in *spl_in, 604 struct spl_scratch *spl_scratch) 605 { 606 struct spl_rect src = spl_in->basic_in.src_rect; 607 struct spl_rect recout_dst_in_active_timing; 608 struct spl_rect recout_clip_in_active_timing; 609 struct spl_rect recout_clip_in_recout_dst; 610 struct spl_rect overlap_in_active_timing; 611 struct spl_rect odm_slice = calculate_odm_slice_in_timing_active(spl_in); 612 int vpc_div = spl_is_subsampled_format(spl_in->basic_in.format) ? 2 : 1; 613 bool orthogonal_rotation, flip_vert_scan_dir, flip_horz_scan_dir; 614 struct spl_fixed31_32 init_adj_h = spl_fixpt_zero; 615 struct spl_fixed31_32 init_adj_v = spl_fixpt_zero; 616 617 recout_clip_in_active_timing = shift_rec( 618 &spl_scratch->scl_data.recout, odm_slice.x, odm_slice.y); 619 recout_dst_in_active_timing = calculate_plane_rec_in_timing_active( 620 spl_in, &spl_in->basic_in.dst_rect); 621 overlap_in_active_timing = intersect_rec(&recout_clip_in_active_timing, 622 &recout_dst_in_active_timing); 623 if (overlap_in_active_timing.width > 0 && 624 overlap_in_active_timing.height > 0) 625 recout_clip_in_recout_dst = shift_rec(&overlap_in_active_timing, 626 -recout_dst_in_active_timing.x, 627 -recout_dst_in_active_timing.y); 628 else 629 memset(&recout_clip_in_recout_dst, 0, sizeof(struct spl_rect)); 630 /* 631 * Work in recout rotation since that requires less transformations 632 */ 633 spl_get_vp_scan_direction( 634 spl_in->basic_in.rotation, 635 spl_in->basic_in.horizontal_mirror, 636 &orthogonal_rotation, 637 &flip_vert_scan_dir, 638 &flip_horz_scan_dir); 639 640 if (spl_is_subsampled_format(spl_in->basic_in.format)) { 641 /* this gives the direction of the cositing (negative will move 642 * left, right otherwise) 643 */ 644 int sign = 1; 645 646 switch (spl_in->basic_in.cositing) { 647 648 case CHROMA_COSITING_TOPLEFT: 649 init_adj_h = spl_fixpt_from_fraction(sign, 4); 650 init_adj_v = spl_fixpt_from_fraction(sign, 4); 651 break; 652 case CHROMA_COSITING_LEFT: 653 init_adj_h = spl_fixpt_from_fraction(sign, 4); 654 init_adj_v = spl_fixpt_zero; 655 break; 656 case CHROMA_COSITING_NONE: 657 default: 658 init_adj_h = spl_fixpt_zero; 659 init_adj_v = spl_fixpt_zero; 660 break; 661 } 662 } 663 664 if (orthogonal_rotation) { 665 spl_swap(src.width, src.height); 666 spl_swap(flip_vert_scan_dir, flip_horz_scan_dir); 667 spl_swap(init_adj_h, init_adj_v); 668 } 669 670 spl_calculate_init_and_vp( 671 flip_horz_scan_dir, 672 recout_clip_in_recout_dst.x, 673 spl_scratch->scl_data.recout.width, 674 src.width, 675 spl_scratch->scl_data.taps.h_taps, 676 spl_scratch->scl_data.ratios.horz, 677 spl_fixpt_zero, 678 &spl_scratch->scl_data.inits.h, 679 &spl_scratch->scl_data.viewport.x, 680 &spl_scratch->scl_data.viewport.width); 681 spl_calculate_init_and_vp( 682 flip_horz_scan_dir, 683 recout_clip_in_recout_dst.x, 684 spl_scratch->scl_data.recout.width, 685 src.width / vpc_div, 686 spl_scratch->scl_data.taps.h_taps_c, 687 spl_scratch->scl_data.ratios.horz_c, 688 init_adj_h, 689 &spl_scratch->scl_data.inits.h_c, 690 &spl_scratch->scl_data.viewport_c.x, 691 &spl_scratch->scl_data.viewport_c.width); 692 spl_calculate_init_and_vp( 693 flip_vert_scan_dir, 694 recout_clip_in_recout_dst.y, 695 spl_scratch->scl_data.recout.height, 696 src.height, 697 spl_scratch->scl_data.taps.v_taps, 698 spl_scratch->scl_data.ratios.vert, 699 spl_fixpt_zero, 700 &spl_scratch->scl_data.inits.v, 701 &spl_scratch->scl_data.viewport.y, 702 &spl_scratch->scl_data.viewport.height); 703 spl_calculate_init_and_vp( 704 flip_vert_scan_dir, 705 recout_clip_in_recout_dst.y, 706 spl_scratch->scl_data.recout.height, 707 src.height / vpc_div, 708 spl_scratch->scl_data.taps.v_taps_c, 709 spl_scratch->scl_data.ratios.vert_c, 710 init_adj_v, 711 &spl_scratch->scl_data.inits.v_c, 712 &spl_scratch->scl_data.viewport_c.y, 713 &spl_scratch->scl_data.viewport_c.height); 714 if (orthogonal_rotation) { 715 spl_swap(spl_scratch->scl_data.viewport.x, spl_scratch->scl_data.viewport.y); 716 spl_swap(spl_scratch->scl_data.viewport.width, spl_scratch->scl_data.viewport.height); 717 spl_swap(spl_scratch->scl_data.viewport_c.x, spl_scratch->scl_data.viewport_c.y); 718 spl_swap(spl_scratch->scl_data.viewport_c.width, spl_scratch->scl_data.viewport_c.height); 719 } 720 spl_scratch->scl_data.viewport.x += src.x; 721 spl_scratch->scl_data.viewport.y += src.y; 722 SPL_ASSERT(src.x % vpc_div == 0 && src.y % vpc_div == 0); 723 spl_scratch->scl_data.viewport_c.x += src.x / vpc_div; 724 spl_scratch->scl_data.viewport_c.y += src.y / vpc_div; 725 } 726 727 static void spl_handle_3d_recout(struct spl_in *spl_in, struct spl_rect *recout) 728 { 729 /* 730 * Handle side by side and top bottom 3d recout offsets after vp calculation 731 * since 3d is special and needs to calculate vp as if there is no recout offset 732 * This may break with rotation, good thing we aren't mixing hw rotation and 3d 733 */ 734 if (spl_in->basic_in.mpc_h_slice_index) { 735 SPL_ASSERT(spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_0 || 736 (spl_in->basic_out.view_format != SPL_VIEW_3D_TOP_AND_BOTTOM && 737 spl_in->basic_out.view_format != SPL_VIEW_3D_SIDE_BY_SIDE)); 738 if (spl_in->basic_out.view_format == SPL_VIEW_3D_TOP_AND_BOTTOM) 739 recout->y += recout->height; 740 else if (spl_in->basic_out.view_format == SPL_VIEW_3D_SIDE_BY_SIDE) 741 recout->x += recout->width; 742 } 743 } 744 745 static void spl_clamp_viewport(struct spl_rect *viewport, int min_viewport_size) 746 { 747 if (min_viewport_size == 0) 748 min_viewport_size = MIN_VIEWPORT_SIZE; 749 /* Clamp minimum viewport size */ 750 if (viewport->height < min_viewport_size) 751 viewport->height = min_viewport_size; 752 if (viewport->width < min_viewport_size) 753 viewport->width = min_viewport_size; 754 } 755 756 static enum scl_mode spl_get_dscl_mode(const struct spl_in *spl_in, 757 const struct spl_scaler_data *data, 758 bool enable_isharp, bool enable_easf) 759 { 760 const long long one = spl_fixpt_one.value; 761 enum spl_pixel_format pixel_format = spl_in->basic_in.format; 762 763 /* Bypass if ratio is 1:1 with no ISHARP or force scale on */ 764 if (data->ratios.horz.value == one 765 && data->ratios.vert.value == one 766 && data->ratios.horz_c.value == one 767 && data->ratios.vert_c.value == one 768 && !spl_in->basic_out.always_scale 769 && !enable_isharp) 770 return SCL_MODE_SCALING_444_BYPASS; 771 772 if (!spl_is_subsampled_format(pixel_format)) { 773 if (spl_is_video_format(pixel_format)) 774 return SCL_MODE_SCALING_444_YCBCR_ENABLE; 775 else 776 return SCL_MODE_SCALING_444_RGB_ENABLE; 777 } 778 779 /* 780 * Bypass YUV if Y is 1:1 with no ISHARP 781 * Do not bypass UV at 1:1 for cositing to be applied 782 */ 783 if (!enable_isharp) { 784 if (data->ratios.horz.value == one && data->ratios.vert.value == one && !spl_in->basic_out.always_scale) 785 return SCL_MODE_SCALING_420_LUMA_BYPASS; 786 } 787 788 return SCL_MODE_SCALING_420_YCBCR_ENABLE; 789 } 790 791 static void spl_choose_lls_policy(enum spl_pixel_format format, 792 enum linear_light_scaling *lls_pref) 793 { 794 if (spl_is_subsampled_format(format)) 795 *lls_pref = LLS_PREF_NO; 796 else /* RGB or YUV444 */ 797 *lls_pref = LLS_PREF_YES; 798 } 799 800 /* Enable EASF ?*/ 801 static bool enable_easf(struct spl_in *spl_in, struct spl_scratch *spl_scratch) 802 { 803 int vratio = 0; 804 int hratio = 0; 805 bool skip_easf = false; 806 807 if (spl_in->disable_easf) 808 skip_easf = true; 809 810 vratio = spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert); 811 hratio = spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz); 812 813 /* 814 * No EASF support for downscaling > 2:1 815 * EASF support for upscaling or downscaling up to 2:1 816 */ 817 if ((vratio > 2) || (hratio > 2)) 818 skip_easf = true; 819 820 /* 821 * If lls_pref is LLS_PREF_DONT_CARE, then use pixel format 822 * to determine whether to use LINEAR or NONLINEAR scaling 823 */ 824 if (spl_in->lls_pref == LLS_PREF_DONT_CARE) 825 spl_choose_lls_policy(spl_in->basic_in.format, 826 &spl_in->lls_pref); 827 828 /* Check for linear scaling or EASF preferred */ 829 if (spl_in->lls_pref != LLS_PREF_YES && !spl_in->prefer_easf) 830 skip_easf = true; 831 832 return skip_easf; 833 } 834 835 /* Check if video is in fullscreen mode */ 836 static bool spl_is_video_fullscreen(struct spl_in *spl_in) 837 { 838 if (spl_is_video_format(spl_in->basic_in.format) && spl_in->is_fullscreen) 839 return true; 840 return false; 841 } 842 843 static bool spl_get_isharp_en(struct spl_in *spl_in, 844 struct spl_scratch *spl_scratch) 845 { 846 bool enable_isharp = false; 847 int vratio = 0; 848 int hratio = 0; 849 struct spl_taps taps = spl_scratch->scl_data.taps; 850 bool fullscreen = spl_is_video_fullscreen(spl_in); 851 852 /* Return if adaptive sharpness is disabled */ 853 if (spl_in->adaptive_sharpness.enable == false) 854 return enable_isharp; 855 856 vratio = spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert); 857 hratio = spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz); 858 859 /* No iSHARP support for downscaling */ 860 if (vratio > 1 || hratio > 1) 861 return enable_isharp; 862 863 // Scaling is up to 1:1 (no scaling) or upscaling 864 865 /* 866 * Apply sharpness to RGB and YUV (NV12/P010) 867 * surfaces based on policy setting 868 */ 869 if (!spl_is_video_format(spl_in->basic_in.format) && 870 (spl_in->sharpen_policy == SHARPEN_YUV)) 871 return enable_isharp; 872 else if ((spl_is_video_format(spl_in->basic_in.format) && !fullscreen) && 873 (spl_in->sharpen_policy == SHARPEN_RGB_FULLSCREEN_YUV)) 874 return enable_isharp; 875 else if (!spl_in->is_fullscreen && 876 spl_in->sharpen_policy == SHARPEN_FULLSCREEN_ALL) 877 return enable_isharp; 878 879 /* 880 * Apply sharpness if supports horizontal taps 4,6 AND 881 * vertical taps 3, 4, 6 882 */ 883 if ((taps.h_taps == 4 || taps.h_taps == 6) && 884 (taps.v_taps == 3 || taps.v_taps == 4 || taps.v_taps == 6)) 885 enable_isharp = true; 886 887 return enable_isharp; 888 } 889 890 /* Calculate number of tap with adaptive scaling off */ 891 static void spl_get_taps_non_adaptive_scaler( 892 struct spl_scratch *spl_scratch, 893 const struct spl_taps *in_taps, 894 bool is_subsampled) 895 { 896 bool check_max_downscale = false; 897 898 if (in_taps->h_taps == 0) { 899 if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz) > 1) 900 spl_scratch->scl_data.taps.h_taps = spl_min(2 * spl_fixpt_ceil( 901 spl_scratch->scl_data.ratios.horz), 8); 902 else 903 spl_scratch->scl_data.taps.h_taps = 4; 904 } else 905 spl_scratch->scl_data.taps.h_taps = in_taps->h_taps; 906 907 if (in_taps->v_taps == 0) { 908 if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) > 1) 909 spl_scratch->scl_data.taps.v_taps = spl_min(2 * spl_fixpt_ceil( 910 spl_scratch->scl_data.ratios.vert), 8); 911 else 912 spl_scratch->scl_data.taps.v_taps = 4; 913 } else 914 spl_scratch->scl_data.taps.v_taps = in_taps->v_taps; 915 916 if (in_taps->v_taps_c == 0) { 917 if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) > 1) 918 spl_scratch->scl_data.taps.v_taps_c = spl_min(2 * spl_fixpt_ceil( 919 spl_scratch->scl_data.ratios.vert_c), 8); 920 else 921 spl_scratch->scl_data.taps.v_taps_c = 4; 922 } else 923 spl_scratch->scl_data.taps.v_taps_c = in_taps->v_taps_c; 924 925 if (in_taps->h_taps_c == 0) { 926 if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz_c) > 1) 927 spl_scratch->scl_data.taps.h_taps_c = spl_min(2 * spl_fixpt_ceil( 928 spl_scratch->scl_data.ratios.horz_c), 8); 929 else 930 spl_scratch->scl_data.taps.h_taps_c = 4; 931 } else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1) 932 /* Only 1 and even h_taps_c are supported by hw */ 933 spl_scratch->scl_data.taps.h_taps_c = in_taps->h_taps_c - 1; 934 else 935 spl_scratch->scl_data.taps.h_taps_c = in_taps->h_taps_c; 936 937 938 /* 939 * Max downscale supported is 6.0x. Add ASSERT to catch if go beyond that 940 */ 941 check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.horz, 942 spl_fixpt_from_fraction(6, 1)); 943 SPL_ASSERT(check_max_downscale); 944 check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.vert, 945 spl_fixpt_from_fraction(6, 1)); 946 SPL_ASSERT(check_max_downscale); 947 check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.horz_c, 948 spl_fixpt_from_fraction(6, 1)); 949 SPL_ASSERT(check_max_downscale); 950 check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.vert_c, 951 spl_fixpt_from_fraction(6, 1)); 952 SPL_ASSERT(check_max_downscale); 953 954 955 if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz)) 956 spl_scratch->scl_data.taps.h_taps = 1; 957 if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert)) 958 spl_scratch->scl_data.taps.v_taps = 1; 959 if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz_c) && !is_subsampled) 960 spl_scratch->scl_data.taps.h_taps_c = 1; 961 if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert_c) && !is_subsampled) 962 spl_scratch->scl_data.taps.v_taps_c = 1; 963 964 } 965 966 /* Calculate optimal number of taps */ 967 static bool spl_get_optimal_number_of_taps( 968 int max_downscale_src_width, struct spl_in *spl_in, struct spl_scratch *spl_scratch, 969 const struct spl_taps *in_taps, bool *enable_easf_v, bool *enable_easf_h, 970 bool *enable_isharp) 971 { 972 int num_part_y, num_part_c; 973 unsigned int max_taps_y, max_taps_c; 974 unsigned int min_taps_y, min_taps_c; 975 enum lb_memory_config lb_config; 976 bool skip_easf = false; 977 bool is_subsampled = spl_is_subsampled_format(spl_in->basic_in.format); 978 979 if (spl_scratch->scl_data.viewport.width > spl_scratch->scl_data.h_active && 980 max_downscale_src_width != 0 && 981 spl_scratch->scl_data.viewport.width > max_downscale_src_width) { 982 spl_get_taps_non_adaptive_scaler(spl_scratch, in_taps, is_subsampled); 983 *enable_easf_v = false; 984 *enable_easf_h = false; 985 *enable_isharp = false; 986 return false; 987 } 988 989 /* Disable adaptive scaler and sharpener when integer scaling is enabled */ 990 if (spl_in->scaling_quality.integer_scaling) { 991 spl_get_taps_non_adaptive_scaler(spl_scratch, in_taps, is_subsampled); 992 *enable_easf_v = false; 993 *enable_easf_h = false; 994 *enable_isharp = false; 995 return true; 996 } 997 998 /* Check if we are using EASF or not */ 999 skip_easf = enable_easf(spl_in, spl_scratch); 1000 1001 /* 1002 * Set default taps if none are provided 1003 * From programming guide: taps = min{ ceil(2*H_RATIO,1), 8} for downscaling 1004 * taps = 4 for upscaling 1005 */ 1006 if (skip_easf) { 1007 spl_get_taps_non_adaptive_scaler(spl_scratch, in_taps, is_subsampled); 1008 } 1009 else { 1010 if (spl_is_video_format(spl_in->basic_in.format)) { 1011 spl_scratch->scl_data.taps.h_taps = 6; 1012 spl_scratch->scl_data.taps.v_taps = 6; 1013 spl_scratch->scl_data.taps.h_taps_c = 4; 1014 spl_scratch->scl_data.taps.v_taps_c = 4; 1015 } else { /* RGB */ 1016 spl_scratch->scl_data.taps.h_taps = 6; 1017 spl_scratch->scl_data.taps.v_taps = 6; 1018 spl_scratch->scl_data.taps.h_taps_c = 6; 1019 spl_scratch->scl_data.taps.v_taps_c = 6; 1020 } 1021 } 1022 1023 /*Ensure we can support the requested number of vtaps*/ 1024 min_taps_y = spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert); 1025 min_taps_c = spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c); 1026 1027 /* Use LB_MEMORY_CONFIG_3 for 4:2:0 */ 1028 if (spl_is_yuv420(spl_in->basic_in.format)) 1029 lb_config = LB_MEMORY_CONFIG_3; 1030 else 1031 lb_config = LB_MEMORY_CONFIG_0; 1032 // Determine max vtap support by calculating how much line buffer can fit 1033 spl_in->callbacks.spl_calc_lb_num_partitions(spl_in->basic_out.alpha_en, &spl_scratch->scl_data, 1034 lb_config, &num_part_y, &num_part_c); 1035 /* MAX_V_TAPS = MIN (NUM_LINES - MAX(CEILING(V_RATIO,1)-2, 0), 8) */ 1036 if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) > 2) 1037 if ((spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) - 2) > num_part_y) 1038 max_taps_y = 0; 1039 else 1040 max_taps_y = num_part_y - (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) - 2); 1041 else 1042 max_taps_y = num_part_y; 1043 1044 if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) > 2) 1045 if ((spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) - 2) > num_part_c) 1046 max_taps_c = 0; 1047 else 1048 max_taps_c = num_part_c - (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) - 2); 1049 else 1050 max_taps_c = num_part_c; 1051 1052 if (max_taps_y < min_taps_y) 1053 return false; 1054 else if (max_taps_c < min_taps_c) 1055 return false; 1056 1057 if (spl_scratch->scl_data.taps.v_taps > max_taps_y) 1058 spl_scratch->scl_data.taps.v_taps = max_taps_y; 1059 1060 if (spl_scratch->scl_data.taps.v_taps_c > max_taps_c) 1061 spl_scratch->scl_data.taps.v_taps_c = max_taps_c; 1062 1063 if (!skip_easf) { 1064 /* 1065 * RGB ( L + NL ) and Linear HDR support 6x6, 6x4, 6x3, 4x4, 4x3 1066 * NL YUV420 only supports 6x6, 6x4 for Y and 4x4 for UV 1067 * 1068 * If LB does not support 3, 4, or 6 taps, then disable EASF_V 1069 * and only enable EASF_H. So for RGB, support 6x2, 4x2 1070 * and for NL YUV420, support 6x2 for Y and 4x2 for UV 1071 * 1072 * All other cases, have to disable EASF_V and EASF_H 1073 * 1074 * If optimal no of taps is 5, then set it to 4 1075 * If optimal no of taps is 7 or 8, then fine since max tap is 6 1076 * 1077 */ 1078 if (spl_scratch->scl_data.taps.v_taps == 5) 1079 spl_scratch->scl_data.taps.v_taps = 4; 1080 1081 if (spl_scratch->scl_data.taps.v_taps_c == 5) 1082 spl_scratch->scl_data.taps.v_taps_c = 4; 1083 1084 if (spl_scratch->scl_data.taps.h_taps == 5) 1085 spl_scratch->scl_data.taps.h_taps = 4; 1086 1087 if (spl_scratch->scl_data.taps.h_taps_c == 5) 1088 spl_scratch->scl_data.taps.h_taps_c = 4; 1089 1090 if (spl_is_video_format(spl_in->basic_in.format)) { 1091 if (spl_scratch->scl_data.taps.h_taps <= 4) { 1092 *enable_easf_v = false; 1093 *enable_easf_h = false; 1094 } else if (spl_scratch->scl_data.taps.v_taps <= 3) { 1095 *enable_easf_v = false; 1096 *enable_easf_h = true; 1097 } else { 1098 *enable_easf_v = true; 1099 *enable_easf_h = true; 1100 } 1101 SPL_ASSERT((spl_scratch->scl_data.taps.v_taps > 1) && 1102 (spl_scratch->scl_data.taps.v_taps_c > 1)); 1103 } else { /* RGB */ 1104 if (spl_scratch->scl_data.taps.h_taps <= 3) { 1105 *enable_easf_v = false; 1106 *enable_easf_h = false; 1107 } else if (spl_scratch->scl_data.taps.v_taps < 3) { 1108 *enable_easf_v = false; 1109 *enable_easf_h = true; 1110 } else { 1111 *enable_easf_v = true; 1112 *enable_easf_h = true; 1113 } 1114 SPL_ASSERT(spl_scratch->scl_data.taps.v_taps > 1); 1115 } 1116 } else { 1117 *enable_easf_v = false; 1118 *enable_easf_h = false; 1119 } // end of if prefer_easf 1120 1121 /* Sharpener requires scaler to be enabled, including for 1:1 1122 * Check if ISHARP can be enabled 1123 * If ISHARP is not enabled, set taps to 1 if ratio is 1:1 1124 * except for chroma taps. Keep previous taps so it can 1125 * handle cositing 1126 */ 1127 1128 *enable_isharp = spl_get_isharp_en(spl_in, spl_scratch); 1129 if (!*enable_isharp && !spl_in->basic_out.always_scale) { 1130 if ((IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz)) && 1131 (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert))) { 1132 spl_scratch->scl_data.taps.h_taps = 1; 1133 spl_scratch->scl_data.taps.v_taps = 1; 1134 if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz_c) && !is_subsampled) 1135 spl_scratch->scl_data.taps.h_taps_c = 1; 1136 1137 if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert_c) && !is_subsampled) 1138 spl_scratch->scl_data.taps.v_taps_c = 1; 1139 1140 *enable_easf_v = false; 1141 *enable_easf_h = false; 1142 } else { 1143 if ((!*enable_easf_h) && 1144 (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz))) 1145 spl_scratch->scl_data.taps.h_taps = 1; 1146 1147 if ((!*enable_easf_v) && 1148 (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert))) 1149 spl_scratch->scl_data.taps.v_taps = 1; 1150 1151 if ((!*enable_easf_h) && !is_subsampled && 1152 (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz_c))) 1153 spl_scratch->scl_data.taps.h_taps_c = 1; 1154 1155 if ((!*enable_easf_v) && !is_subsampled && 1156 (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert_c))) 1157 spl_scratch->scl_data.taps.v_taps_c = 1; 1158 1159 } 1160 } 1161 return true; 1162 } 1163 1164 static void spl_set_black_color_data(enum spl_pixel_format format, 1165 struct scl_black_color *scl_black_color) 1166 { 1167 bool ycbcr = spl_is_video_format(format); 1168 if (ycbcr) { 1169 scl_black_color->offset_rgb_y = BLACK_OFFSET_RGB_Y; 1170 scl_black_color->offset_rgb_cbcr = BLACK_OFFSET_CBCR; 1171 } else { 1172 scl_black_color->offset_rgb_y = 0x0; 1173 scl_black_color->offset_rgb_cbcr = 0x0; 1174 } 1175 } 1176 1177 static void spl_set_manual_ratio_init_data(struct dscl_prog_data *dscl_prog_data, 1178 const struct spl_scaler_data *scl_data) 1179 { 1180 struct spl_fixed31_32 bot; 1181 1182 dscl_prog_data->ratios.h_scale_ratio = spl_fixpt_u3d19(scl_data->ratios.horz) << 5; 1183 dscl_prog_data->ratios.v_scale_ratio = spl_fixpt_u3d19(scl_data->ratios.vert) << 5; 1184 dscl_prog_data->ratios.h_scale_ratio_c = spl_fixpt_u3d19(scl_data->ratios.horz_c) << 5; 1185 dscl_prog_data->ratios.v_scale_ratio_c = spl_fixpt_u3d19(scl_data->ratios.vert_c) << 5; 1186 /* 1187 * 0.24 format for fraction, first five bits zeroed 1188 */ 1189 dscl_prog_data->init.h_filter_init_frac = 1190 spl_fixpt_u0d19(scl_data->inits.h) << 5; 1191 dscl_prog_data->init.h_filter_init_int = 1192 spl_fixpt_floor(scl_data->inits.h); 1193 dscl_prog_data->init.h_filter_init_frac_c = 1194 spl_fixpt_u0d19(scl_data->inits.h_c) << 5; 1195 dscl_prog_data->init.h_filter_init_int_c = 1196 spl_fixpt_floor(scl_data->inits.h_c); 1197 dscl_prog_data->init.v_filter_init_frac = 1198 spl_fixpt_u0d19(scl_data->inits.v) << 5; 1199 dscl_prog_data->init.v_filter_init_int = 1200 spl_fixpt_floor(scl_data->inits.v); 1201 dscl_prog_data->init.v_filter_init_frac_c = 1202 spl_fixpt_u0d19(scl_data->inits.v_c) << 5; 1203 dscl_prog_data->init.v_filter_init_int_c = 1204 spl_fixpt_floor(scl_data->inits.v_c); 1205 1206 bot = spl_fixpt_add(scl_data->inits.v, scl_data->ratios.vert); 1207 dscl_prog_data->init.v_filter_init_bot_frac = spl_fixpt_u0d19(bot) << 5; 1208 dscl_prog_data->init.v_filter_init_bot_int = spl_fixpt_floor(bot); 1209 bot = spl_fixpt_add(scl_data->inits.v_c, scl_data->ratios.vert_c); 1210 dscl_prog_data->init.v_filter_init_bot_frac_c = spl_fixpt_u0d19(bot) << 5; 1211 dscl_prog_data->init.v_filter_init_bot_int_c = spl_fixpt_floor(bot); 1212 } 1213 1214 static void spl_set_taps_data(struct dscl_prog_data *dscl_prog_data, 1215 const struct spl_scaler_data *scl_data) 1216 { 1217 dscl_prog_data->taps.v_taps = scl_data->taps.v_taps - 1; 1218 dscl_prog_data->taps.h_taps = scl_data->taps.h_taps - 1; 1219 dscl_prog_data->taps.v_taps_c = scl_data->taps.v_taps_c - 1; 1220 dscl_prog_data->taps.h_taps_c = scl_data->taps.h_taps_c - 1; 1221 } 1222 1223 /* Populate dscl prog data structure from scaler data calculated by SPL */ 1224 static void spl_set_dscl_prog_data(struct spl_in *spl_in, struct spl_scratch *spl_scratch, 1225 struct spl_out *spl_out, bool enable_easf_v, bool enable_easf_h, bool enable_isharp) 1226 { 1227 struct dscl_prog_data *dscl_prog_data = spl_out->dscl_prog_data; 1228 1229 const struct spl_scaler_data *data = &spl_scratch->scl_data; 1230 1231 struct scl_black_color *scl_black_color = &dscl_prog_data->scl_black_color; 1232 1233 bool enable_easf = enable_easf_v || enable_easf_h; 1234 1235 // Set values for recout 1236 dscl_prog_data->recout = spl_scratch->scl_data.recout; 1237 // Set values for MPC Size 1238 dscl_prog_data->mpc_size.width = spl_scratch->scl_data.h_active; 1239 dscl_prog_data->mpc_size.height = spl_scratch->scl_data.v_active; 1240 1241 // SCL_MODE - Set SCL_MODE data 1242 dscl_prog_data->dscl_mode = spl_get_dscl_mode(spl_in, data, enable_isharp, 1243 enable_easf); 1244 1245 // SCL_BLACK_COLOR 1246 spl_set_black_color_data(spl_in->basic_in.format, scl_black_color); 1247 1248 /* Manually calculate scale ratio and init values */ 1249 spl_set_manual_ratio_init_data(dscl_prog_data, data); 1250 1251 // Set HTaps/VTaps 1252 spl_set_taps_data(dscl_prog_data, data); 1253 // Set viewport 1254 dscl_prog_data->viewport = spl_scratch->scl_data.viewport; 1255 // Set viewport_c 1256 dscl_prog_data->viewport_c = spl_scratch->scl_data.viewport_c; 1257 // Set filters data 1258 spl_set_filters_data(dscl_prog_data, data, enable_easf_v, enable_easf_h); 1259 } 1260 1261 /* Calculate C0-C3 coefficients based on HDR_mult */ 1262 static void spl_calculate_c0_c3_hdr(struct dscl_prog_data *dscl_prog_data, uint32_t sdr_white_level_nits) 1263 { 1264 struct spl_fixed31_32 hdr_mult, c0_mult, c1_mult, c2_mult; 1265 struct spl_fixed31_32 c0_calc, c1_calc, c2_calc; 1266 struct spl_custom_float_format fmt; 1267 uint32_t hdr_multx100_int; 1268 1269 if ((sdr_white_level_nits >= 80) && (sdr_white_level_nits <= 480)) 1270 hdr_multx100_int = sdr_white_level_nits * 100 / 80; 1271 else 1272 hdr_multx100_int = 100; /* default for 80 nits otherwise */ 1273 1274 hdr_mult = spl_fixpt_from_fraction((long long)hdr_multx100_int, 100LL); 1275 c0_mult = spl_fixpt_from_fraction(2126LL, 10000LL); 1276 c1_mult = spl_fixpt_from_fraction(7152LL, 10000LL); 1277 c2_mult = spl_fixpt_from_fraction(722LL, 10000LL); 1278 1279 c0_calc = spl_fixpt_mul(hdr_mult, spl_fixpt_mul(c0_mult, spl_fixpt_from_fraction( 1280 16384LL, 125LL))); 1281 c1_calc = spl_fixpt_mul(hdr_mult, spl_fixpt_mul(c1_mult, spl_fixpt_from_fraction( 1282 16384LL, 125LL))); 1283 c2_calc = spl_fixpt_mul(hdr_mult, spl_fixpt_mul(c2_mult, spl_fixpt_from_fraction( 1284 16384LL, 125LL))); 1285 1286 fmt.exponenta_bits = 5; 1287 fmt.mantissa_bits = 10; 1288 fmt.sign = true; 1289 1290 // fp1.5.10, C0 coefficient (LN_rec709: HDR_MULT * 0.212600 * 2^14/125) 1291 spl_convert_to_custom_float_format(c0_calc, &fmt, &dscl_prog_data->easf_matrix_c0); 1292 // fp1.5.10, C1 coefficient (LN_rec709: HDR_MULT * 0.715200 * 2^14/125) 1293 spl_convert_to_custom_float_format(c1_calc, &fmt, &dscl_prog_data->easf_matrix_c1); 1294 // fp1.5.10, C2 coefficient (LN_rec709: HDR_MULT * 0.072200 * 2^14/125) 1295 spl_convert_to_custom_float_format(c2_calc, &fmt, &dscl_prog_data->easf_matrix_c2); 1296 dscl_prog_data->easf_matrix_c3 = 0x0; // fp1.5.10, C3 coefficient 1297 } 1298 1299 /* Set EASF data */ 1300 static void spl_set_easf_data(struct spl_scratch *spl_scratch, struct spl_out *spl_out, bool enable_easf_v, 1301 bool enable_easf_h, enum linear_light_scaling lls_pref, 1302 enum spl_pixel_format format, enum system_setup setup, 1303 uint32_t sdr_white_level_nits) 1304 { 1305 struct dscl_prog_data *dscl_prog_data = spl_out->dscl_prog_data; 1306 if (enable_easf_v) { 1307 dscl_prog_data->easf_v_en = true; 1308 dscl_prog_data->easf_v_ring = 0; 1309 dscl_prog_data->easf_v_sharp_factor = 1; 1310 dscl_prog_data->easf_v_bf1_en = 1; // 1-bit, BF1 calculation enable, 0=disable, 1=enable 1311 dscl_prog_data->easf_v_bf2_mode = 0xF; // 4-bit, BF2 calculation mode 1312 /* 2-bit, BF3 chroma mode correction calculation mode */ 1313 dscl_prog_data->easf_v_bf3_mode = spl_get_v_bf3_mode( 1314 spl_scratch->scl_data.recip_ratios.vert); 1315 /* FP1.5.10 [ minCoef ]*/ 1316 dscl_prog_data->easf_v_ringest_3tap_dntilt_uptilt = 1317 spl_get_3tap_dntilt_uptilt_offset(spl_scratch->scl_data.taps.v_taps, 1318 spl_scratch->scl_data.recip_ratios.vert); 1319 /* FP1.5.10 [ upTiltMaxVal ]*/ 1320 dscl_prog_data->easf_v_ringest_3tap_uptilt_max = 1321 spl_get_3tap_uptilt_maxval(spl_scratch->scl_data.taps.v_taps, 1322 spl_scratch->scl_data.recip_ratios.vert); 1323 /* FP1.5.10 [ dnTiltSlope ]*/ 1324 dscl_prog_data->easf_v_ringest_3tap_dntilt_slope = 1325 spl_get_3tap_dntilt_slope(spl_scratch->scl_data.taps.v_taps, 1326 spl_scratch->scl_data.recip_ratios.vert); 1327 /* FP1.5.10 [ upTilt1Slope ]*/ 1328 dscl_prog_data->easf_v_ringest_3tap_uptilt1_slope = 1329 spl_get_3tap_uptilt1_slope(spl_scratch->scl_data.taps.v_taps, 1330 spl_scratch->scl_data.recip_ratios.vert); 1331 /* FP1.5.10 [ upTilt2Slope ]*/ 1332 dscl_prog_data->easf_v_ringest_3tap_uptilt2_slope = 1333 spl_get_3tap_uptilt2_slope(spl_scratch->scl_data.taps.v_taps, 1334 spl_scratch->scl_data.recip_ratios.vert); 1335 /* FP1.5.10 [ upTilt2Offset ]*/ 1336 dscl_prog_data->easf_v_ringest_3tap_uptilt2_offset = 1337 spl_get_3tap_uptilt2_offset(spl_scratch->scl_data.taps.v_taps, 1338 spl_scratch->scl_data.recip_ratios.vert); 1339 /* FP1.5.10; (2.0) Ring reducer gain for 4 or 6-tap mode [H_REDUCER_GAIN4] */ 1340 dscl_prog_data->easf_v_ringest_eventap_reduceg1 = 1341 spl_get_reducer_gain4(spl_scratch->scl_data.taps.v_taps, 1342 spl_scratch->scl_data.recip_ratios.vert); 1343 /* FP1.5.10; (2.5) Ring reducer gain for 6-tap mode [V_REDUCER_GAIN6] */ 1344 dscl_prog_data->easf_v_ringest_eventap_reduceg2 = 1345 spl_get_reducer_gain6(spl_scratch->scl_data.taps.v_taps, 1346 spl_scratch->scl_data.recip_ratios.vert); 1347 /* FP1.5.10; (-0.135742) Ring gain for 6-tap set to -139/1024 */ 1348 dscl_prog_data->easf_v_ringest_eventap_gain1 = 1349 spl_get_gainRing4(spl_scratch->scl_data.taps.v_taps, 1350 spl_scratch->scl_data.recip_ratios.vert); 1351 /* FP1.5.10; (-0.024414) Ring gain for 6-tap set to -25/1024 */ 1352 dscl_prog_data->easf_v_ringest_eventap_gain2 = 1353 spl_get_gainRing6(spl_scratch->scl_data.taps.v_taps, 1354 spl_scratch->scl_data.recip_ratios.vert); 1355 dscl_prog_data->easf_v_bf_maxa = 63; //Vertical Max BF value A in U0.6 format.Selected if V_FCNTL == 0 1356 dscl_prog_data->easf_v_bf_maxb = 63; //Vertical Max BF value A in U0.6 format.Selected if V_FCNTL == 1 1357 dscl_prog_data->easf_v_bf_mina = 0; //Vertical Min BF value A in U0.6 format.Selected if V_FCNTL == 0 1358 dscl_prog_data->easf_v_bf_minb = 0; //Vertical Min BF value A in U0.6 format.Selected if V_FCNTL == 1 1359 if (lls_pref == LLS_PREF_YES) { 1360 dscl_prog_data->easf_v_bf2_flat1_gain = 4; // U1.3, BF2 Flat1 Gain control 1361 dscl_prog_data->easf_v_bf2_flat2_gain = 8; // U4.0, BF2 Flat2 Gain control 1362 dscl_prog_data->easf_v_bf2_roc_gain = 4; // U2.2, Rate Of Change control 1363 1364 dscl_prog_data->easf_v_bf1_pwl_in_seg0 = 0x600; // S0.10, BF1 PWL Segment 0 = -512 1365 dscl_prog_data->easf_v_bf1_pwl_base_seg0 = 0; // U0.6, BF1 Base PWL Segment 0 1366 dscl_prog_data->easf_v_bf1_pwl_slope_seg0 = 3; // S7.3, BF1 Slope PWL Segment 0 1367 dscl_prog_data->easf_v_bf1_pwl_in_seg1 = 0x7EC; // S0.10, BF1 PWL Segment 1 = -20 1368 dscl_prog_data->easf_v_bf1_pwl_base_seg1 = 12; // U0.6, BF1 Base PWL Segment 1 1369 dscl_prog_data->easf_v_bf1_pwl_slope_seg1 = 326; // S7.3, BF1 Slope PWL Segment 1 1370 dscl_prog_data->easf_v_bf1_pwl_in_seg2 = 0; // S0.10, BF1 PWL Segment 2 1371 dscl_prog_data->easf_v_bf1_pwl_base_seg2 = 63; // U0.6, BF1 Base PWL Segment 2 1372 dscl_prog_data->easf_v_bf1_pwl_slope_seg2 = 0; // S7.3, BF1 Slope PWL Segment 2 1373 dscl_prog_data->easf_v_bf1_pwl_in_seg3 = 16; // S0.10, BF1 PWL Segment 3 1374 dscl_prog_data->easf_v_bf1_pwl_base_seg3 = 63; // U0.6, BF1 Base PWL Segment 3 1375 dscl_prog_data->easf_v_bf1_pwl_slope_seg3 = 0x7C8; // S7.3, BF1 Slope PWL Segment 3 = -56 1376 dscl_prog_data->easf_v_bf1_pwl_in_seg4 = 32; // S0.10, BF1 PWL Segment 4 1377 dscl_prog_data->easf_v_bf1_pwl_base_seg4 = 56; // U0.6, BF1 Base PWL Segment 4 1378 dscl_prog_data->easf_v_bf1_pwl_slope_seg4 = 0x7D0; // S7.3, BF1 Slope PWL Segment 4 = -48 1379 dscl_prog_data->easf_v_bf1_pwl_in_seg5 = 48; // S0.10, BF1 PWL Segment 5 1380 dscl_prog_data->easf_v_bf1_pwl_base_seg5 = 50; // U0.6, BF1 Base PWL Segment 5 1381 dscl_prog_data->easf_v_bf1_pwl_slope_seg5 = 0x710; // S7.3, BF1 Slope PWL Segment 5 = -240 1382 dscl_prog_data->easf_v_bf1_pwl_in_seg6 = 64; // S0.10, BF1 PWL Segment 6 1383 dscl_prog_data->easf_v_bf1_pwl_base_seg6 = 20; // U0.6, BF1 Base PWL Segment 6 1384 dscl_prog_data->easf_v_bf1_pwl_slope_seg6 = 0x760; // S7.3, BF1 Slope PWL Segment 6 = -160 1385 dscl_prog_data->easf_v_bf1_pwl_in_seg7 = 80; // S0.10, BF1 PWL Segment 7 1386 dscl_prog_data->easf_v_bf1_pwl_base_seg7 = 0; // U0.6, BF1 Base PWL Segment 7 1387 1388 dscl_prog_data->easf_v_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 1389 dscl_prog_data->easf_v_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 1390 dscl_prog_data->easf_v_bf3_pwl_slope_set0 = 0x12C5; // FP1.6.6, BF3 Slope PWL Segment 0 1391 dscl_prog_data->easf_v_bf3_pwl_in_set1 = 1392 0x0B37; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0078125 * 125^3) 1393 dscl_prog_data->easf_v_bf3_pwl_base_set1 = 62; // S0.6, BF3 Base PWL Segment 1 1394 dscl_prog_data->easf_v_bf3_pwl_slope_set1 = 1395 0x13B8; // FP1.6.6, BF3 Slope PWL Segment 1 1396 dscl_prog_data->easf_v_bf3_pwl_in_set2 = 1397 0x0BB7; // FP0.6.6, BF3 Input value PWL Segment 2 (0.03125 * 125^3) 1398 dscl_prog_data->easf_v_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 1399 dscl_prog_data->easf_v_bf3_pwl_slope_set2 = 1400 0x1356; // FP1.6.6, BF3 Slope PWL Segment 2 1401 dscl_prog_data->easf_v_bf3_pwl_in_set3 = 1402 0x0BF7; // FP0.6.6, BF3 Input value PWL Segment 3 (0.0625 * 125^3) 1403 dscl_prog_data->easf_v_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 1404 dscl_prog_data->easf_v_bf3_pwl_slope_set3 = 1405 0x136B; // FP1.6.6, BF3 Slope PWL Segment 3 1406 dscl_prog_data->easf_v_bf3_pwl_in_set4 = 1407 0x0C37; // FP0.6.6, BF3 Input value PWL Segment 4 (0.125 * 125^3) 1408 dscl_prog_data->easf_v_bf3_pwl_base_set4 = 0x4E; // S0.6, BF3 Base PWL Segment 4 = -50 1409 dscl_prog_data->easf_v_bf3_pwl_slope_set4 = 1410 0x1200; // FP1.6.6, BF3 Slope PWL Segment 4 1411 dscl_prog_data->easf_v_bf3_pwl_in_set5 = 1412 0x0CF7; // FP0.6.6, BF3 Input value PWL Segment 5 (1.0 * 125^3) 1413 dscl_prog_data->easf_v_bf3_pwl_base_set5 = 0x41; // S0.6, BF3 Base PWL Segment 5 = -63 1414 } else { 1415 dscl_prog_data->easf_v_bf2_flat1_gain = 13; // U1.3, BF2 Flat1 Gain control 1416 dscl_prog_data->easf_v_bf2_flat2_gain = 15; // U4.0, BF2 Flat2 Gain control 1417 dscl_prog_data->easf_v_bf2_roc_gain = 14; // U2.2, Rate Of Change control 1418 1419 dscl_prog_data->easf_v_bf1_pwl_in_seg0 = 0x440; // S0.10, BF1 PWL Segment 0 = -960 1420 dscl_prog_data->easf_v_bf1_pwl_base_seg0 = 0; // U0.6, BF1 Base PWL Segment 0 1421 dscl_prog_data->easf_v_bf1_pwl_slope_seg0 = 2; // S7.3, BF1 Slope PWL Segment 0 1422 dscl_prog_data->easf_v_bf1_pwl_in_seg1 = 0x7C4; // S0.10, BF1 PWL Segment 1 = -60 1423 dscl_prog_data->easf_v_bf1_pwl_base_seg1 = 12; // U0.6, BF1 Base PWL Segment 1 1424 dscl_prog_data->easf_v_bf1_pwl_slope_seg1 = 109; // S7.3, BF1 Slope PWL Segment 1 1425 dscl_prog_data->easf_v_bf1_pwl_in_seg2 = 0; // S0.10, BF1 PWL Segment 2 1426 dscl_prog_data->easf_v_bf1_pwl_base_seg2 = 63; // U0.6, BF1 Base PWL Segment 2 1427 dscl_prog_data->easf_v_bf1_pwl_slope_seg2 = 0; // S7.3, BF1 Slope PWL Segment 2 1428 dscl_prog_data->easf_v_bf1_pwl_in_seg3 = 48; // S0.10, BF1 PWL Segment 3 1429 dscl_prog_data->easf_v_bf1_pwl_base_seg3 = 63; // U0.6, BF1 Base PWL Segment 3 1430 dscl_prog_data->easf_v_bf1_pwl_slope_seg3 = 0x7ED; // S7.3, BF1 Slope PWL Segment 3 = -19 1431 dscl_prog_data->easf_v_bf1_pwl_in_seg4 = 96; // S0.10, BF1 PWL Segment 4 1432 dscl_prog_data->easf_v_bf1_pwl_base_seg4 = 56; // U0.6, BF1 Base PWL Segment 4 1433 dscl_prog_data->easf_v_bf1_pwl_slope_seg4 = 0x7F0; // S7.3, BF1 Slope PWL Segment 4 = -16 1434 dscl_prog_data->easf_v_bf1_pwl_in_seg5 = 144; // S0.10, BF1 PWL Segment 5 1435 dscl_prog_data->easf_v_bf1_pwl_base_seg5 = 50; // U0.6, BF1 Base PWL Segment 5 1436 dscl_prog_data->easf_v_bf1_pwl_slope_seg5 = 0x7B0; // S7.3, BF1 Slope PWL Segment 5 = -80 1437 dscl_prog_data->easf_v_bf1_pwl_in_seg6 = 192; // S0.10, BF1 PWL Segment 6 1438 dscl_prog_data->easf_v_bf1_pwl_base_seg6 = 20; // U0.6, BF1 Base PWL Segment 6 1439 dscl_prog_data->easf_v_bf1_pwl_slope_seg6 = 0x7CB; // S7.3, BF1 Slope PWL Segment 6 = -53 1440 dscl_prog_data->easf_v_bf1_pwl_in_seg7 = 240; // S0.10, BF1 PWL Segment 7 1441 dscl_prog_data->easf_v_bf1_pwl_base_seg7 = 0; // U0.6, BF1 Base PWL Segment 7 1442 1443 dscl_prog_data->easf_v_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 1444 dscl_prog_data->easf_v_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 1445 dscl_prog_data->easf_v_bf3_pwl_slope_set0 = 0x0000; // FP1.6.6, BF3 Slope PWL Segment 0 1446 dscl_prog_data->easf_v_bf3_pwl_in_set1 = 1447 0x06C0; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0625) 1448 dscl_prog_data->easf_v_bf3_pwl_base_set1 = 63; // S0.6, BF3 Base PWL Segment 1 1449 dscl_prog_data->easf_v_bf3_pwl_slope_set1 = 0x1896; // FP1.6.6, BF3 Slope PWL Segment 1 1450 dscl_prog_data->easf_v_bf3_pwl_in_set2 = 1451 0x0700; // FP0.6.6, BF3 Input value PWL Segment 2 (0.125) 1452 dscl_prog_data->easf_v_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 1453 dscl_prog_data->easf_v_bf3_pwl_slope_set2 = 0x1810; // FP1.6.6, BF3 Slope PWL Segment 2 1454 dscl_prog_data->easf_v_bf3_pwl_in_set3 = 1455 0x0740; // FP0.6.6, BF3 Input value PWL Segment 3 (0.25) 1456 dscl_prog_data->easf_v_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 1457 dscl_prog_data->easf_v_bf3_pwl_slope_set3 = 1458 0x1878; // FP1.6.6, BF3 Slope PWL Segment 3 1459 dscl_prog_data->easf_v_bf3_pwl_in_set4 = 1460 0x0761; // FP0.6.6, BF3 Input value PWL Segment 4 (0.375) 1461 dscl_prog_data->easf_v_bf3_pwl_base_set4 = 0x44; // S0.6, BF3 Base PWL Segment 4 = -60 1462 dscl_prog_data->easf_v_bf3_pwl_slope_set4 = 0x1760; // FP1.6.6, BF3 Slope PWL Segment 4 1463 dscl_prog_data->easf_v_bf3_pwl_in_set5 = 1464 0x0780; // FP0.6.6, BF3 Input value PWL Segment 5 (0.5) 1465 dscl_prog_data->easf_v_bf3_pwl_base_set5 = 0x41; // S0.6, BF3 Base PWL Segment 5 = -63 1466 } 1467 } else 1468 dscl_prog_data->easf_v_en = false; 1469 1470 if (enable_easf_h) { 1471 dscl_prog_data->easf_h_en = true; 1472 dscl_prog_data->easf_h_ring = 0; 1473 dscl_prog_data->easf_h_sharp_factor = 1; 1474 dscl_prog_data->easf_h_bf1_en = 1475 1; // 1-bit, BF1 calculation enable, 0=disable, 1=enable 1476 dscl_prog_data->easf_h_bf2_mode = 1477 0xF; // 4-bit, BF2 calculation mode 1478 /* 2-bit, BF3 chroma mode correction calculation mode */ 1479 dscl_prog_data->easf_h_bf3_mode = spl_get_h_bf3_mode( 1480 spl_scratch->scl_data.recip_ratios.horz); 1481 /* FP1.5.10; (2.0) Ring reducer gain for 4 or 6-tap mode [H_REDUCER_GAIN4] */ 1482 dscl_prog_data->easf_h_ringest_eventap_reduceg1 = 1483 spl_get_reducer_gain4(spl_scratch->scl_data.taps.h_taps, 1484 spl_scratch->scl_data.recip_ratios.horz); 1485 /* FP1.5.10; (2.5) Ring reducer gain for 6-tap mode [V_REDUCER_GAIN6] */ 1486 dscl_prog_data->easf_h_ringest_eventap_reduceg2 = 1487 spl_get_reducer_gain6(spl_scratch->scl_data.taps.h_taps, 1488 spl_scratch->scl_data.recip_ratios.horz); 1489 /* FP1.5.10; (-0.135742) Ring gain for 6-tap set to -139/1024 */ 1490 dscl_prog_data->easf_h_ringest_eventap_gain1 = 1491 spl_get_gainRing4(spl_scratch->scl_data.taps.h_taps, 1492 spl_scratch->scl_data.recip_ratios.horz); 1493 /* FP1.5.10; (-0.024414) Ring gain for 6-tap set to -25/1024 */ 1494 dscl_prog_data->easf_h_ringest_eventap_gain2 = 1495 spl_get_gainRing6(spl_scratch->scl_data.taps.h_taps, 1496 spl_scratch->scl_data.recip_ratios.horz); 1497 dscl_prog_data->easf_h_bf_maxa = 63; //Horz Max BF value A in U0.6 format.Selected if H_FCNTL==0 1498 dscl_prog_data->easf_h_bf_maxb = 63; //Horz Max BF value B in U0.6 format.Selected if H_FCNTL==1 1499 dscl_prog_data->easf_h_bf_mina = 0; //Horz Min BF value B in U0.6 format.Selected if H_FCNTL==0 1500 dscl_prog_data->easf_h_bf_minb = 0; //Horz Min BF value B in U0.6 format.Selected if H_FCNTL==1 1501 if (lls_pref == LLS_PREF_YES) { 1502 dscl_prog_data->easf_h_bf2_flat1_gain = 4; // U1.3, BF2 Flat1 Gain control 1503 dscl_prog_data->easf_h_bf2_flat2_gain = 8; // U4.0, BF2 Flat2 Gain control 1504 dscl_prog_data->easf_h_bf2_roc_gain = 4; // U2.2, Rate Of Change control 1505 1506 dscl_prog_data->easf_h_bf1_pwl_in_seg0 = 0x600; // S0.10, BF1 PWL Segment 0 = -512 1507 dscl_prog_data->easf_h_bf1_pwl_base_seg0 = 0; // U0.6, BF1 Base PWL Segment 0 1508 dscl_prog_data->easf_h_bf1_pwl_slope_seg0 = 3; // S7.3, BF1 Slope PWL Segment 0 1509 dscl_prog_data->easf_h_bf1_pwl_in_seg1 = 0x7EC; // S0.10, BF1 PWL Segment 1 = -20 1510 dscl_prog_data->easf_h_bf1_pwl_base_seg1 = 12; // U0.6, BF1 Base PWL Segment 1 1511 dscl_prog_data->easf_h_bf1_pwl_slope_seg1 = 326; // S7.3, BF1 Slope PWL Segment 1 1512 dscl_prog_data->easf_h_bf1_pwl_in_seg2 = 0; // S0.10, BF1 PWL Segment 2 1513 dscl_prog_data->easf_h_bf1_pwl_base_seg2 = 63; // U0.6, BF1 Base PWL Segment 2 1514 dscl_prog_data->easf_h_bf1_pwl_slope_seg2 = 0; // S7.3, BF1 Slope PWL Segment 2 1515 dscl_prog_data->easf_h_bf1_pwl_in_seg3 = 16; // S0.10, BF1 PWL Segment 3 1516 dscl_prog_data->easf_h_bf1_pwl_base_seg3 = 63; // U0.6, BF1 Base PWL Segment 3 1517 dscl_prog_data->easf_h_bf1_pwl_slope_seg3 = 0x7C8; // S7.3, BF1 Slope PWL Segment 3 = -56 1518 dscl_prog_data->easf_h_bf1_pwl_in_seg4 = 32; // S0.10, BF1 PWL Segment 4 1519 dscl_prog_data->easf_h_bf1_pwl_base_seg4 = 56; // U0.6, BF1 Base PWL Segment 4 1520 dscl_prog_data->easf_h_bf1_pwl_slope_seg4 = 0x7D0; // S7.3, BF1 Slope PWL Segment 4 = -48 1521 dscl_prog_data->easf_h_bf1_pwl_in_seg5 = 48; // S0.10, BF1 PWL Segment 5 1522 dscl_prog_data->easf_h_bf1_pwl_base_seg5 = 50; // U0.6, BF1 Base PWL Segment 5 1523 dscl_prog_data->easf_h_bf1_pwl_slope_seg5 = 0x710; // S7.3, BF1 Slope PWL Segment 5 = -240 1524 dscl_prog_data->easf_h_bf1_pwl_in_seg6 = 64; // S0.10, BF1 PWL Segment 6 1525 dscl_prog_data->easf_h_bf1_pwl_base_seg6 = 20; // U0.6, BF1 Base PWL Segment 6 1526 dscl_prog_data->easf_h_bf1_pwl_slope_seg6 = 0x760; // S7.3, BF1 Slope PWL Segment 6 = -160 1527 dscl_prog_data->easf_h_bf1_pwl_in_seg7 = 80; // S0.10, BF1 PWL Segment 7 1528 dscl_prog_data->easf_h_bf1_pwl_base_seg7 = 0; // U0.6, BF1 Base PWL Segment 7 1529 1530 dscl_prog_data->easf_h_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 1531 dscl_prog_data->easf_h_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 1532 dscl_prog_data->easf_h_bf3_pwl_slope_set0 = 0x12C5; // FP1.6.6, BF3 Slope PWL Segment 0 1533 dscl_prog_data->easf_h_bf3_pwl_in_set1 = 1534 0x0B37; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0078125 * 125^3) 1535 dscl_prog_data->easf_h_bf3_pwl_base_set1 = 62; // S0.6, BF3 Base PWL Segment 1 1536 dscl_prog_data->easf_h_bf3_pwl_slope_set1 = 0x13B8; // FP1.6.6, BF3 Slope PWL Segment 1 1537 dscl_prog_data->easf_h_bf3_pwl_in_set2 = 1538 0x0BB7; // FP0.6.6, BF3 Input value PWL Segment 2 (0.03125 * 125^3) 1539 dscl_prog_data->easf_h_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 1540 dscl_prog_data->easf_h_bf3_pwl_slope_set2 = 0x1356; // FP1.6.6, BF3 Slope PWL Segment 2 1541 dscl_prog_data->easf_h_bf3_pwl_in_set3 = 1542 0x0BF7; // FP0.6.6, BF3 Input value PWL Segment 3 (0.0625 * 125^3) 1543 dscl_prog_data->easf_h_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 1544 dscl_prog_data->easf_h_bf3_pwl_slope_set3 = 0x136B; // FP1.6.6, BF3 Slope PWL Segment 3 1545 dscl_prog_data->easf_h_bf3_pwl_in_set4 = 1546 0x0C37; // FP0.6.6, BF3 Input value PWL Segment 4 (0.125 * 125^3) 1547 dscl_prog_data->easf_h_bf3_pwl_base_set4 = 0x4E; // S0.6, BF3 Base PWL Segment 4 = -50 1548 dscl_prog_data->easf_h_bf3_pwl_slope_set4 = 0x1200; // FP1.6.6, BF3 Slope PWL Segment 4 1549 dscl_prog_data->easf_h_bf3_pwl_in_set5 = 1550 0x0CF7; // FP0.6.6, BF3 Input value PWL Segment 5 (1.0 * 125^3) 1551 dscl_prog_data->easf_h_bf3_pwl_base_set5 = 0x41; // S0.6, BF3 Base PWL Segment 5 = -63 1552 } else { 1553 dscl_prog_data->easf_h_bf2_flat1_gain = 13; // U1.3, BF2 Flat1 Gain control 1554 dscl_prog_data->easf_h_bf2_flat2_gain = 15; // U4.0, BF2 Flat2 Gain control 1555 dscl_prog_data->easf_h_bf2_roc_gain = 14; // U2.2, Rate Of Change control 1556 1557 dscl_prog_data->easf_h_bf1_pwl_in_seg0 = 0x440; // S0.10, BF1 PWL Segment 0 = -960 1558 dscl_prog_data->easf_h_bf1_pwl_base_seg0 = 0; // U0.6, BF1 Base PWL Segment 0 1559 dscl_prog_data->easf_h_bf1_pwl_slope_seg0 = 2; // S7.3, BF1 Slope PWL Segment 0 1560 dscl_prog_data->easf_h_bf1_pwl_in_seg1 = 0x7C4; // S0.10, BF1 PWL Segment 1 = -60 1561 dscl_prog_data->easf_h_bf1_pwl_base_seg1 = 12; // U0.6, BF1 Base PWL Segment 1 1562 dscl_prog_data->easf_h_bf1_pwl_slope_seg1 = 109; // S7.3, BF1 Slope PWL Segment 1 1563 dscl_prog_data->easf_h_bf1_pwl_in_seg2 = 0; // S0.10, BF1 PWL Segment 2 1564 dscl_prog_data->easf_h_bf1_pwl_base_seg2 = 63; // U0.6, BF1 Base PWL Segment 2 1565 dscl_prog_data->easf_h_bf1_pwl_slope_seg2 = 0; // S7.3, BF1 Slope PWL Segment 2 1566 dscl_prog_data->easf_h_bf1_pwl_in_seg3 = 48; // S0.10, BF1 PWL Segment 3 1567 dscl_prog_data->easf_h_bf1_pwl_base_seg3 = 63; // U0.6, BF1 Base PWL Segment 3 1568 dscl_prog_data->easf_h_bf1_pwl_slope_seg3 = 0x7ED; // S7.3, BF1 Slope PWL Segment 3 = -19 1569 dscl_prog_data->easf_h_bf1_pwl_in_seg4 = 96; // S0.10, BF1 PWL Segment 4 1570 dscl_prog_data->easf_h_bf1_pwl_base_seg4 = 56; // U0.6, BF1 Base PWL Segment 4 1571 dscl_prog_data->easf_h_bf1_pwl_slope_seg4 = 0x7F0; // S7.3, BF1 Slope PWL Segment 4 = -16 1572 dscl_prog_data->easf_h_bf1_pwl_in_seg5 = 144; // S0.10, BF1 PWL Segment 5 1573 dscl_prog_data->easf_h_bf1_pwl_base_seg5 = 50; // U0.6, BF1 Base PWL Segment 5 1574 dscl_prog_data->easf_h_bf1_pwl_slope_seg5 = 0x7B0; // S7.3, BF1 Slope PWL Segment 5 = -80 1575 dscl_prog_data->easf_h_bf1_pwl_in_seg6 = 192; // S0.10, BF1 PWL Segment 6 1576 dscl_prog_data->easf_h_bf1_pwl_base_seg6 = 20; // U0.6, BF1 Base PWL Segment 6 1577 dscl_prog_data->easf_h_bf1_pwl_slope_seg6 = 0x7CB; // S7.3, BF1 Slope PWL Segment 6 = -53 1578 dscl_prog_data->easf_h_bf1_pwl_in_seg7 = 240; // S0.10, BF1 PWL Segment 7 1579 dscl_prog_data->easf_h_bf1_pwl_base_seg7 = 0; // U0.6, BF1 Base PWL Segment 7 1580 1581 dscl_prog_data->easf_h_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 1582 dscl_prog_data->easf_h_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 1583 dscl_prog_data->easf_h_bf3_pwl_slope_set0 = 0x0000; // FP1.6.6, BF3 Slope PWL Segment 0 1584 dscl_prog_data->easf_h_bf3_pwl_in_set1 = 1585 0x06C0; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0625) 1586 dscl_prog_data->easf_h_bf3_pwl_base_set1 = 63; // S0.6, BF3 Base PWL Segment 1 1587 dscl_prog_data->easf_h_bf3_pwl_slope_set1 = 0x1896; // FP1.6.6, BF3 Slope PWL Segment 1 1588 dscl_prog_data->easf_h_bf3_pwl_in_set2 = 1589 0x0700; // FP0.6.6, BF3 Input value PWL Segment 2 (0.125) 1590 dscl_prog_data->easf_h_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 1591 dscl_prog_data->easf_h_bf3_pwl_slope_set2 = 0x1810; // FP1.6.6, BF3 Slope PWL Segment 2 1592 dscl_prog_data->easf_h_bf3_pwl_in_set3 = 1593 0x0740; // FP0.6.6, BF3 Input value PWL Segment 3 (0.25) 1594 dscl_prog_data->easf_h_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 1595 dscl_prog_data->easf_h_bf3_pwl_slope_set3 = 0x1878; // FP1.6.6, BF3 Slope PWL Segment 3 1596 dscl_prog_data->easf_h_bf3_pwl_in_set4 = 1597 0x0761; // FP0.6.6, BF3 Input value PWL Segment 4 (0.375) 1598 dscl_prog_data->easf_h_bf3_pwl_base_set4 = 0x44; // S0.6, BF3 Base PWL Segment 4 = -60 1599 dscl_prog_data->easf_h_bf3_pwl_slope_set4 = 0x1760; // FP1.6.6, BF3 Slope PWL Segment 4 1600 dscl_prog_data->easf_h_bf3_pwl_in_set5 = 1601 0x0780; // FP0.6.6, BF3 Input value PWL Segment 5 (0.5) 1602 dscl_prog_data->easf_h_bf3_pwl_base_set5 = 0x41; // S0.6, BF3 Base PWL Segment 5 = -63 1603 } // if (lls_pref == LLS_PREF_YES) 1604 } else 1605 dscl_prog_data->easf_h_en = false; 1606 1607 if (lls_pref == LLS_PREF_YES) { 1608 dscl_prog_data->easf_ltonl_en = 1; // Linear input 1609 if ((setup == HDR_L) && (spl_is_rgb8(format))) { 1610 /* Calculate C0-C3 coefficients based on HDR multiplier */ 1611 spl_calculate_c0_c3_hdr(dscl_prog_data, sdr_white_level_nits); 1612 } else { // HDR_L ( DWM ) and SDR_L 1613 dscl_prog_data->easf_matrix_c0 = 1614 0x4EF7; // fp1.5.10, C0 coefficient (LN_rec709: 0.2126 * (2^14)/125 = 27.86590720) 1615 dscl_prog_data->easf_matrix_c1 = 1616 0x55DC; // fp1.5.10, C1 coefficient (LN_rec709: 0.7152 * (2^14)/125 = 93.74269440) 1617 dscl_prog_data->easf_matrix_c2 = 1618 0x48BB; // fp1.5.10, C2 coefficient (LN_rec709: 0.0722 * (2^14)/125 = 9.46339840) 1619 dscl_prog_data->easf_matrix_c3 = 1620 0x0; // fp1.5.10, C3 coefficient 1621 } 1622 } else { 1623 dscl_prog_data->easf_ltonl_en = 0; // Non-Linear input 1624 dscl_prog_data->easf_matrix_c0 = 1625 0x3434; // fp1.5.10, C0 coefficient (LN_BT2020: 0.262695312500000) 1626 dscl_prog_data->easf_matrix_c1 = 1627 0x396D; // fp1.5.10, C1 coefficient (LN_BT2020: 0.678222656250000) 1628 dscl_prog_data->easf_matrix_c2 = 1629 0x2B97; // fp1.5.10, C2 coefficient (LN_BT2020: 0.059295654296875) 1630 dscl_prog_data->easf_matrix_c3 = 1631 0x0; // fp1.5.10, C3 coefficient 1632 } 1633 1634 if (spl_is_subsampled_format(format)) { /* TODO: 0 = RGB, 1 = YUV */ 1635 dscl_prog_data->easf_matrix_mode = 1; 1636 /* 1637 * 2-bit, BF3 chroma mode correction calculation mode 1638 * Needs to be disabled for YUV420 mode 1639 * Override lookup value 1640 */ 1641 dscl_prog_data->easf_v_bf3_mode = 0; 1642 dscl_prog_data->easf_h_bf3_mode = 0; 1643 } else 1644 dscl_prog_data->easf_matrix_mode = 0; 1645 1646 } 1647 1648 /*Set isharp noise detection */ 1649 static void spl_set_isharp_noise_det_mode(struct dscl_prog_data *dscl_prog_data, 1650 const struct spl_scaler_data *data) 1651 { 1652 // ISHARP_NOISEDET_MODE 1653 // 0: 3x5 as VxH 1654 // 1: 4x5 as VxH 1655 // 2: 1656 // 3: 5x5 as VxH 1657 if (data->taps.v_taps == 6) 1658 dscl_prog_data->isharp_noise_det.mode = 3; 1659 else if (data->taps.v_taps == 4) 1660 dscl_prog_data->isharp_noise_det.mode = 1; 1661 else if (data->taps.v_taps == 3) 1662 dscl_prog_data->isharp_noise_det.mode = 0; 1663 }; 1664 /* Set Sharpener data */ 1665 static void spl_set_isharp_data(struct dscl_prog_data *dscl_prog_data, 1666 struct adaptive_sharpness adp_sharpness, bool enable_isharp, 1667 enum linear_light_scaling lls_pref, enum spl_pixel_format format, 1668 const struct spl_scaler_data *data, struct spl_fixed31_32 ratio, 1669 enum system_setup setup, enum scale_to_sharpness_policy scale_to_sharpness_policy) 1670 { 1671 /* Turn off sharpener if not required */ 1672 if (!enable_isharp) { 1673 dscl_prog_data->isharp_en = 0; 1674 return; 1675 } 1676 1677 spl_build_isharp_1dlut_from_reference_curve(ratio, setup, adp_sharpness, 1678 scale_to_sharpness_policy); 1679 memcpy(dscl_prog_data->isharp_delta, spl_get_pregen_filter_isharp_1D_lut(setup), 1680 sizeof(uint32_t) * ISHARP_LUT_TABLE_SIZE); 1681 dscl_prog_data->sharpness_level = adp_sharpness.sharpness_level; 1682 1683 dscl_prog_data->isharp_en = 1; // ISHARP_EN 1684 // Set ISHARP_NOISEDET_MODE if htaps = 6-tap 1685 if (data->taps.h_taps == 6) { 1686 dscl_prog_data->isharp_noise_det.enable = 1; /* ISHARP_NOISEDET_EN */ 1687 spl_set_isharp_noise_det_mode(dscl_prog_data, data); /* ISHARP_NOISEDET_MODE */ 1688 } else 1689 dscl_prog_data->isharp_noise_det.enable = 0; // ISHARP_NOISEDET_EN 1690 // Program noise detection threshold 1691 dscl_prog_data->isharp_noise_det.uthreshold = 24; // ISHARP_NOISEDET_UTHRE 1692 dscl_prog_data->isharp_noise_det.dthreshold = 4; // ISHARP_NOISEDET_DTHRE 1693 // Program noise detection gain 1694 dscl_prog_data->isharp_noise_det.pwl_start_in = 3; // ISHARP_NOISEDET_PWL_START_IN 1695 dscl_prog_data->isharp_noise_det.pwl_end_in = 13; // ISHARP_NOISEDET_PWL_END_IN 1696 dscl_prog_data->isharp_noise_det.pwl_slope = 1623; // ISHARP_NOISEDET_PWL_SLOPE 1697 1698 if (lls_pref == LLS_PREF_NO) /* ISHARP_FMT_MODE */ 1699 dscl_prog_data->isharp_fmt.mode = 1; 1700 else 1701 dscl_prog_data->isharp_fmt.mode = 0; 1702 1703 dscl_prog_data->isharp_fmt.norm = 0x3C00; // ISHARP_FMT_NORM 1704 dscl_prog_data->isharp_lba.mode = 0; // ISHARP_LBA_MODE 1705 1706 if (setup == SDR_L) { 1707 // ISHARP_LBA_PWL_SEG0: ISHARP Local Brightness Adjustment PWL Segment 0 1708 dscl_prog_data->isharp_lba.in_seg[0] = 0; // ISHARP LBA PWL for Seg 0. INPUT value in U0.10 format 1709 dscl_prog_data->isharp_lba.base_seg[0] = 0; // ISHARP LBA PWL for Seg 0. BASE value in U0.6 format 1710 dscl_prog_data->isharp_lba.slope_seg[0] = 62; // ISHARP LBA for Seg 0. SLOPE value in S5.3 format 1711 // ISHARP_LBA_PWL_SEG1: ISHARP LBA PWL Segment 1 1712 dscl_prog_data->isharp_lba.in_seg[1] = 130; // ISHARP LBA PWL for Seg 1. INPUT value in U0.10 format 1713 dscl_prog_data->isharp_lba.base_seg[1] = 63; // ISHARP LBA PWL for Seg 1. BASE value in U0.6 format 1714 dscl_prog_data->isharp_lba.slope_seg[1] = 0; // ISHARP LBA for Seg 1. SLOPE value in S5.3 format 1715 // ISHARP_LBA_PWL_SEG2: ISHARP LBA PWL Segment 2 1716 dscl_prog_data->isharp_lba.in_seg[2] = 450; // ISHARP LBA PWL for Seg 2. INPUT value in U0.10 format 1717 dscl_prog_data->isharp_lba.base_seg[2] = 63; // ISHARP LBA PWL for Seg 2. BASE value in U0.6 format 1718 dscl_prog_data->isharp_lba.slope_seg[2] = 0x18D; // ISHARP LBA for Seg 2. SLOPE value in S5.3 format = -115 1719 // ISHARP_LBA_PWL_SEG3: ISHARP LBA PWL Segment 3 1720 dscl_prog_data->isharp_lba.in_seg[3] = 520; // ISHARP LBA PWL for Seg 3.INPUT value in U0.10 format 1721 dscl_prog_data->isharp_lba.base_seg[3] = 0; // ISHARP LBA PWL for Seg 3. BASE value in U0.6 format 1722 dscl_prog_data->isharp_lba.slope_seg[3] = 0; // ISHARP LBA for Seg 3. SLOPE value in S5.3 format 1723 // ISHARP_LBA_PWL_SEG4: ISHARP LBA PWL Segment 4 1724 dscl_prog_data->isharp_lba.in_seg[4] = 520; // ISHARP LBA PWL for Seg 4.INPUT value in U0.10 format 1725 dscl_prog_data->isharp_lba.base_seg[4] = 0; // ISHARP LBA PWL for Seg 4. BASE value in U0.6 format 1726 dscl_prog_data->isharp_lba.slope_seg[4] = 0; // ISHARP LBA for Seg 4. SLOPE value in S5.3 format 1727 // ISHARP_LBA_PWL_SEG5: ISHARP LBA PWL Segment 5 1728 dscl_prog_data->isharp_lba.in_seg[5] = 520; // ISHARP LBA PWL for Seg 5.INPUT value in U0.10 format 1729 dscl_prog_data->isharp_lba.base_seg[5] = 0; // ISHARP LBA PWL for Seg 5. BASE value in U0.6 format 1730 } else if (setup == HDR_L) { 1731 // ISHARP_LBA_PWL_SEG0: ISHARP Local Brightness Adjustment PWL Segment 0 1732 dscl_prog_data->isharp_lba.in_seg[0] = 0; // ISHARP LBA PWL for Seg 0. INPUT value in U0.10 format 1733 dscl_prog_data->isharp_lba.base_seg[0] = 0; // ISHARP LBA PWL for Seg 0. BASE value in U0.6 format 1734 dscl_prog_data->isharp_lba.slope_seg[0] = 32; // ISHARP LBA for Seg 0. SLOPE value in S5.3 format 1735 // ISHARP_LBA_PWL_SEG1: ISHARP LBA PWL Segment 1 1736 dscl_prog_data->isharp_lba.in_seg[1] = 254; // ISHARP LBA PWL for Seg 1. INPUT value in U0.10 format 1737 dscl_prog_data->isharp_lba.base_seg[1] = 63; // ISHARP LBA PWL for Seg 1. BASE value in U0.6 format 1738 dscl_prog_data->isharp_lba.slope_seg[1] = 0; // ISHARP LBA for Seg 1. SLOPE value in S5.3 format 1739 // ISHARP_LBA_PWL_SEG2: ISHARP LBA PWL Segment 2 1740 dscl_prog_data->isharp_lba.in_seg[2] = 559; // ISHARP LBA PWL for Seg 2. INPUT value in U0.10 format 1741 dscl_prog_data->isharp_lba.base_seg[2] = 63; // ISHARP LBA PWL for Seg 2. BASE value in U0.6 format 1742 dscl_prog_data->isharp_lba.slope_seg[2] = 0x10C; // ISHARP LBA for Seg 2. SLOPE value in S5.3 format = -244 1743 // ISHARP_LBA_PWL_SEG3: ISHARP LBA PWL Segment 3 1744 dscl_prog_data->isharp_lba.in_seg[3] = 592; // ISHARP LBA PWL for Seg 3.INPUT value in U0.10 format 1745 dscl_prog_data->isharp_lba.base_seg[3] = 0; // ISHARP LBA PWL for Seg 3. BASE value in U0.6 format 1746 dscl_prog_data->isharp_lba.slope_seg[3] = 0; // ISHARP LBA for Seg 3. SLOPE value in S5.3 format 1747 // ISHARP_LBA_PWL_SEG4: ISHARP LBA PWL Segment 4 1748 dscl_prog_data->isharp_lba.in_seg[4] = 1023; // ISHARP LBA PWL for Seg 4.INPUT value in U0.10 format 1749 dscl_prog_data->isharp_lba.base_seg[4] = 0; // ISHARP LBA PWL for Seg 4. BASE value in U0.6 format 1750 dscl_prog_data->isharp_lba.slope_seg[4] = 0; // ISHARP LBA for Seg 4. SLOPE value in S5.3 format 1751 // ISHARP_LBA_PWL_SEG5: ISHARP LBA PWL Segment 5 1752 dscl_prog_data->isharp_lba.in_seg[5] = 1023; // ISHARP LBA PWL for Seg 5.INPUT value in U0.10 format 1753 dscl_prog_data->isharp_lba.base_seg[5] = 0; // ISHARP LBA PWL for Seg 5. BASE value in U0.6 format 1754 } else { 1755 // ISHARP_LBA_PWL_SEG0: ISHARP Local Brightness Adjustment PWL Segment 0 1756 dscl_prog_data->isharp_lba.in_seg[0] = 0; // ISHARP LBA PWL for Seg 0. INPUT value in U0.10 format 1757 dscl_prog_data->isharp_lba.base_seg[0] = 0; // ISHARP LBA PWL for Seg 0. BASE value in U0.6 format 1758 dscl_prog_data->isharp_lba.slope_seg[0] = 40; // ISHARP LBA for Seg 0. SLOPE value in S5.3 format 1759 // ISHARP_LBA_PWL_SEG1: ISHARP LBA PWL Segment 1 1760 dscl_prog_data->isharp_lba.in_seg[1] = 204; // ISHARP LBA PWL for Seg 1. INPUT value in U0.10 format 1761 dscl_prog_data->isharp_lba.base_seg[1] = 63; // ISHARP LBA PWL for Seg 1. BASE value in U0.6 format 1762 dscl_prog_data->isharp_lba.slope_seg[1] = 0; // ISHARP LBA for Seg 1. SLOPE value in S5.3 format 1763 // ISHARP_LBA_PWL_SEG2: ISHARP LBA PWL Segment 2 1764 dscl_prog_data->isharp_lba.in_seg[2] = 818; // ISHARP LBA PWL for Seg 2. INPUT value in U0.10 format 1765 dscl_prog_data->isharp_lba.base_seg[2] = 63; // ISHARP LBA PWL for Seg 2. BASE value in U0.6 format 1766 dscl_prog_data->isharp_lba.slope_seg[2] = 0x1D9; // ISHARP LBA for Seg 2. SLOPE value in S5.3 format = -39 1767 // ISHARP_LBA_PWL_SEG3: ISHARP LBA PWL Segment 3 1768 dscl_prog_data->isharp_lba.in_seg[3] = 1023; // ISHARP LBA PWL for Seg 3.INPUT value in U0.10 format 1769 dscl_prog_data->isharp_lba.base_seg[3] = 0; // ISHARP LBA PWL for Seg 3. BASE value in U0.6 format 1770 dscl_prog_data->isharp_lba.slope_seg[3] = 0; // ISHARP LBA for Seg 3. SLOPE value in S5.3 format 1771 // ISHARP_LBA_PWL_SEG4: ISHARP LBA PWL Segment 4 1772 dscl_prog_data->isharp_lba.in_seg[4] = 1023; // ISHARP LBA PWL for Seg 4.INPUT value in U0.10 format 1773 dscl_prog_data->isharp_lba.base_seg[4] = 0; // ISHARP LBA PWL for Seg 4. BASE value in U0.6 format 1774 dscl_prog_data->isharp_lba.slope_seg[4] = 0; // ISHARP LBA for Seg 4. SLOPE value in S5.3 format 1775 // ISHARP_LBA_PWL_SEG5: ISHARP LBA PWL Segment 5 1776 dscl_prog_data->isharp_lba.in_seg[5] = 1023; // ISHARP LBA PWL for Seg 5.INPUT value in U0.10 format 1777 dscl_prog_data->isharp_lba.base_seg[5] = 0; // ISHARP LBA PWL for Seg 5. BASE value in U0.6 format 1778 } 1779 1780 // Program the nldelta soft clip values 1781 if (lls_pref == LLS_PREF_YES) { 1782 dscl_prog_data->isharp_nldelta_sclip.enable_p = 0; /* ISHARP_NLDELTA_SCLIP_EN_P */ 1783 dscl_prog_data->isharp_nldelta_sclip.pivot_p = 0; /* ISHARP_NLDELTA_SCLIP_PIVOT_P */ 1784 dscl_prog_data->isharp_nldelta_sclip.slope_p = 0; /* ISHARP_NLDELTA_SCLIP_SLOPE_P */ 1785 dscl_prog_data->isharp_nldelta_sclip.enable_n = 1; /* ISHARP_NLDELTA_SCLIP_EN_N */ 1786 dscl_prog_data->isharp_nldelta_sclip.pivot_n = 71; /* ISHARP_NLDELTA_SCLIP_PIVOT_N */ 1787 dscl_prog_data->isharp_nldelta_sclip.slope_n = 16; /* ISHARP_NLDELTA_SCLIP_SLOPE_N */ 1788 } else { 1789 dscl_prog_data->isharp_nldelta_sclip.enable_p = 1; /* ISHARP_NLDELTA_SCLIP_EN_P */ 1790 dscl_prog_data->isharp_nldelta_sclip.pivot_p = 70; /* ISHARP_NLDELTA_SCLIP_PIVOT_P */ 1791 dscl_prog_data->isharp_nldelta_sclip.slope_p = 24; /* ISHARP_NLDELTA_SCLIP_SLOPE_P */ 1792 dscl_prog_data->isharp_nldelta_sclip.enable_n = 1; /* ISHARP_NLDELTA_SCLIP_EN_N */ 1793 dscl_prog_data->isharp_nldelta_sclip.pivot_n = 70; /* ISHARP_NLDELTA_SCLIP_PIVOT_N */ 1794 dscl_prog_data->isharp_nldelta_sclip.slope_n = 24; /* ISHARP_NLDELTA_SCLIP_SLOPE_N */ 1795 } 1796 1797 // Set the values as per lookup table 1798 spl_set_blur_scale_data(dscl_prog_data, data); 1799 } 1800 1801 /* Calculate recout, scaling ratio, and viewport, then get optimal number of taps */ 1802 static bool spl_calculate_number_of_taps(struct spl_in *spl_in, struct spl_scratch *spl_scratch, struct spl_out *spl_out, 1803 bool *enable_easf_v, bool *enable_easf_h, bool *enable_isharp) 1804 { 1805 bool res = false; 1806 1807 memset(spl_scratch, 0, sizeof(struct spl_scratch)); 1808 spl_scratch->scl_data.h_active = spl_in->h_active; 1809 spl_scratch->scl_data.v_active = spl_in->v_active; 1810 1811 // All SPL calls 1812 /* recout calculation */ 1813 /* depends on h_active */ 1814 spl_calculate_recout(spl_in, spl_scratch, spl_out); 1815 /* depends on pixel format */ 1816 spl_calculate_scaling_ratios(spl_in, spl_scratch, spl_out); 1817 /* Adjust recout for opp if needed */ 1818 spl_opp_adjust_rect(&spl_scratch->scl_data.recout, &spl_in->basic_in.opp_recout_adjust); 1819 /* depends on scaling ratios and recout, does not calculate offset yet */ 1820 spl_calculate_viewport_size(spl_in, spl_scratch); 1821 1822 res = spl_get_optimal_number_of_taps( 1823 spl_in->basic_out.max_downscale_src_width, spl_in, 1824 spl_scratch, &spl_in->scaling_quality, enable_easf_v, 1825 enable_easf_h, enable_isharp); 1826 return res; 1827 } 1828 1829 /* Calculate scaler parameters */ 1830 bool SPL_NAMESPACE(spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out)) 1831 { 1832 bool res = false; 1833 bool enable_easf_v = false; 1834 bool enable_easf_h = false; 1835 int vratio = 0; 1836 int hratio = 0; 1837 struct spl_scratch spl_scratch; 1838 struct spl_fixed31_32 isharp_scale_ratio; 1839 enum system_setup setup; 1840 bool enable_isharp = false; 1841 const struct spl_scaler_data *data = &spl_scratch.scl_data; 1842 1843 res = spl_calculate_number_of_taps(spl_in, &spl_scratch, spl_out, 1844 &enable_easf_v, &enable_easf_h, &enable_isharp); 1845 1846 /* 1847 * Depends on recout, scaling ratios, h_active and taps 1848 * May need to re-check lb size after this in some obscure scenario 1849 */ 1850 if (res) 1851 spl_calculate_inits_and_viewports(spl_in, &spl_scratch); 1852 // Handle 3d recout 1853 spl_handle_3d_recout(spl_in, &spl_scratch.scl_data.recout); 1854 // Clamp 1855 spl_clamp_viewport(&spl_scratch.scl_data.viewport, spl_in->min_viewport_size); 1856 1857 // Save all calculated parameters in dscl_prog_data structure to program hw registers 1858 spl_set_dscl_prog_data(spl_in, &spl_scratch, spl_out, enable_easf_v, enable_easf_h, enable_isharp); 1859 1860 if (!res) 1861 return res; 1862 1863 if (spl_in->lls_pref == LLS_PREF_YES) { 1864 if (spl_in->is_hdr_on) 1865 setup = HDR_L; 1866 else 1867 setup = SDR_L; 1868 } else { 1869 if (spl_in->is_hdr_on) 1870 setup = HDR_NL; 1871 else 1872 setup = SDR_NL; 1873 } 1874 1875 // Set EASF 1876 spl_set_easf_data(&spl_scratch, spl_out, enable_easf_v, enable_easf_h, spl_in->lls_pref, 1877 spl_in->basic_in.format, setup, spl_in->sdr_white_level_nits); 1878 1879 // Set iSHARP 1880 vratio = spl_fixpt_ceil(spl_scratch.scl_data.ratios.vert); 1881 hratio = spl_fixpt_ceil(spl_scratch.scl_data.ratios.horz); 1882 if (vratio <= hratio) 1883 isharp_scale_ratio = spl_scratch.scl_data.recip_ratios.vert; 1884 else 1885 isharp_scale_ratio = spl_scratch.scl_data.recip_ratios.horz; 1886 1887 spl_set_isharp_data(spl_out->dscl_prog_data, spl_in->adaptive_sharpness, enable_isharp, 1888 spl_in->lls_pref, spl_in->basic_in.format, data, isharp_scale_ratio, setup, 1889 spl_in->debug.scale_to_sharpness_policy); 1890 1891 return res; 1892 } 1893 1894 /* External interface to get number of taps only */ 1895 bool SPL_NAMESPACE(spl_get_number_of_taps(struct spl_in *spl_in, struct spl_out *spl_out)) 1896 { 1897 bool res = false; 1898 bool enable_easf_v = false; 1899 bool enable_easf_h = false; 1900 bool enable_isharp = false; 1901 struct spl_scratch spl_scratch; 1902 struct dscl_prog_data *dscl_prog_data = spl_out->dscl_prog_data; 1903 const struct spl_scaler_data *data = &spl_scratch.scl_data; 1904 1905 res = spl_calculate_number_of_taps(spl_in, &spl_scratch, spl_out, 1906 &enable_easf_v, &enable_easf_h, &enable_isharp); 1907 spl_set_taps_data(dscl_prog_data, data); 1908 return res; 1909 } 1910 1911