1 /* 2 * Copyright 2012-15 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 27 #include "reg_helper.h" 28 #include "dcn10_optc.h" 29 #include "dc.h" 30 #include "dc_trace.h" 31 32 #define REG(reg)\ 33 optc1->tg_regs->reg 34 35 #define CTX \ 36 optc1->base.ctx 37 38 #undef FN 39 #define FN(reg_name, field_name) \ 40 optc1->tg_shift->field_name, optc1->tg_mask->field_name 41 42 #define STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN 0x100 43 44 /** 45 * apply_front_porch_workaround TODO FPGA still need? 46 * 47 * This is a workaround for a bug that has existed since R5xx and has not been 48 * fixed keep Front porch at minimum 2 for Interlaced mode or 1 for progressive. 49 */ 50 static void apply_front_porch_workaround(struct dc_crtc_timing *timing) 51 { 52 if (timing->flags.INTERLACE == 1) { 53 if (timing->v_front_porch < 2) 54 timing->v_front_porch = 2; 55 } else { 56 if (timing->v_front_porch < 1) 57 timing->v_front_porch = 1; 58 } 59 } 60 61 void optc1_program_global_sync( 62 struct timing_generator *optc, 63 int vready_offset, 64 int vstartup_start, 65 int vupdate_offset, 66 int vupdate_width) 67 { 68 struct optc *optc1 = DCN10TG_FROM_TG(optc); 69 70 optc1->vready_offset = vready_offset; 71 optc1->vstartup_start = vstartup_start; 72 optc1->vupdate_offset = vupdate_offset; 73 optc1->vupdate_width = vupdate_width; 74 75 if (optc1->vstartup_start == 0) { 76 BREAK_TO_DEBUGGER(); 77 return; 78 } 79 80 REG_SET(OTG_VSTARTUP_PARAM, 0, 81 VSTARTUP_START, optc1->vstartup_start); 82 83 REG_SET_2(OTG_VUPDATE_PARAM, 0, 84 VUPDATE_OFFSET, optc1->vupdate_offset, 85 VUPDATE_WIDTH, optc1->vupdate_width); 86 87 REG_SET(OTG_VREADY_PARAM, 0, 88 VREADY_OFFSET, optc1->vready_offset); 89 } 90 91 static void optc1_disable_stereo(struct timing_generator *optc) 92 { 93 struct optc *optc1 = DCN10TG_FROM_TG(optc); 94 95 REG_SET(OTG_STEREO_CONTROL, 0, 96 OTG_STEREO_EN, 0); 97 98 REG_SET_2(OTG_3D_STRUCTURE_CONTROL, 0, 99 OTG_3D_STRUCTURE_EN, 0, 100 OTG_3D_STRUCTURE_STEREO_SEL_OVR, 0); 101 } 102 103 void optc1_setup_vertical_interrupt0( 104 struct timing_generator *optc, 105 uint32_t start_line, 106 uint32_t end_line) 107 { 108 struct optc *optc1 = DCN10TG_FROM_TG(optc); 109 110 REG_SET_2(OTG_VERTICAL_INTERRUPT0_POSITION, 0, 111 OTG_VERTICAL_INTERRUPT0_LINE_START, start_line, 112 OTG_VERTICAL_INTERRUPT0_LINE_END, end_line); 113 } 114 115 void optc1_setup_vertical_interrupt1( 116 struct timing_generator *optc, 117 uint32_t start_line) 118 { 119 struct optc *optc1 = DCN10TG_FROM_TG(optc); 120 121 REG_SET(OTG_VERTICAL_INTERRUPT1_POSITION, 0, 122 OTG_VERTICAL_INTERRUPT1_LINE_START, start_line); 123 } 124 125 void optc1_setup_vertical_interrupt2( 126 struct timing_generator *optc, 127 uint32_t start_line) 128 { 129 struct optc *optc1 = DCN10TG_FROM_TG(optc); 130 131 REG_SET(OTG_VERTICAL_INTERRUPT2_POSITION, 0, 132 OTG_VERTICAL_INTERRUPT2_LINE_START, start_line); 133 } 134 135 /** 136 * program_timing_generator used by mode timing set 137 * Program CRTC Timing Registers - OTG_H_*, OTG_V_*, Pixel repetition. 138 * Including SYNC. Call BIOS command table to program Timings. 139 */ 140 void optc1_program_timing( 141 struct timing_generator *optc, 142 const struct dc_crtc_timing *dc_crtc_timing, 143 int vready_offset, 144 int vstartup_start, 145 int vupdate_offset, 146 int vupdate_width, 147 const enum signal_type signal, 148 bool use_vbios) 149 { 150 struct dc_crtc_timing patched_crtc_timing; 151 uint32_t asic_blank_end; 152 uint32_t asic_blank_start; 153 uint32_t v_total; 154 uint32_t v_sync_end; 155 uint32_t h_sync_polarity, v_sync_polarity; 156 uint32_t start_point = 0; 157 uint32_t field_num = 0; 158 enum h_timing_div_mode h_div = H_TIMING_NO_DIV; 159 160 struct optc *optc1 = DCN10TG_FROM_TG(optc); 161 162 optc1->signal = signal; 163 optc1->vready_offset = vready_offset; 164 optc1->vstartup_start = vstartup_start; 165 optc1->vupdate_offset = vupdate_offset; 166 optc1->vupdate_width = vupdate_width; 167 patched_crtc_timing = *dc_crtc_timing; 168 apply_front_porch_workaround(&patched_crtc_timing); 169 optc1->orginal_patched_timing = patched_crtc_timing; 170 171 /* Load horizontal timing */ 172 173 /* CRTC_H_TOTAL = vesa.h_total - 1 */ 174 REG_SET(OTG_H_TOTAL, 0, 175 OTG_H_TOTAL, patched_crtc_timing.h_total - 1); 176 177 /* h_sync_start = 0, h_sync_end = vesa.h_sync_width */ 178 REG_UPDATE_2(OTG_H_SYNC_A, 179 OTG_H_SYNC_A_START, 0, 180 OTG_H_SYNC_A_END, patched_crtc_timing.h_sync_width); 181 182 /* blank_start = line end - front porch */ 183 asic_blank_start = patched_crtc_timing.h_total - 184 patched_crtc_timing.h_front_porch; 185 186 /* blank_end = blank_start - active */ 187 asic_blank_end = asic_blank_start - 188 patched_crtc_timing.h_border_right - 189 patched_crtc_timing.h_addressable - 190 patched_crtc_timing.h_border_left; 191 192 REG_UPDATE_2(OTG_H_BLANK_START_END, 193 OTG_H_BLANK_START, asic_blank_start, 194 OTG_H_BLANK_END, asic_blank_end); 195 196 /* h_sync polarity */ 197 h_sync_polarity = patched_crtc_timing.flags.HSYNC_POSITIVE_POLARITY ? 198 0 : 1; 199 200 REG_UPDATE(OTG_H_SYNC_A_CNTL, 201 OTG_H_SYNC_A_POL, h_sync_polarity); 202 203 v_total = patched_crtc_timing.v_total - 1; 204 205 REG_SET(OTG_V_TOTAL, 0, 206 OTG_V_TOTAL, v_total); 207 208 /* In case of V_TOTAL_CONTROL is on, make sure OTG_V_TOTAL_MAX and 209 * OTG_V_TOTAL_MIN are equal to V_TOTAL. 210 */ 211 optc->funcs->set_vtotal_min_max(optc, v_total, v_total); 212 213 /* v_sync_start = 0, v_sync_end = v_sync_width */ 214 v_sync_end = patched_crtc_timing.v_sync_width; 215 216 REG_UPDATE_2(OTG_V_SYNC_A, 217 OTG_V_SYNC_A_START, 0, 218 OTG_V_SYNC_A_END, v_sync_end); 219 220 /* blank_start = frame end - front porch */ 221 asic_blank_start = patched_crtc_timing.v_total - 222 patched_crtc_timing.v_front_porch; 223 224 /* blank_end = blank_start - active */ 225 asic_blank_end = asic_blank_start - 226 patched_crtc_timing.v_border_bottom - 227 patched_crtc_timing.v_addressable - 228 patched_crtc_timing.v_border_top; 229 230 REG_UPDATE_2(OTG_V_BLANK_START_END, 231 OTG_V_BLANK_START, asic_blank_start, 232 OTG_V_BLANK_END, asic_blank_end); 233 234 /* v_sync polarity */ 235 v_sync_polarity = patched_crtc_timing.flags.VSYNC_POSITIVE_POLARITY ? 236 0 : 1; 237 238 REG_UPDATE(OTG_V_SYNC_A_CNTL, 239 OTG_V_SYNC_A_POL, v_sync_polarity); 240 241 if (optc1->signal == SIGNAL_TYPE_DISPLAY_PORT || 242 optc1->signal == SIGNAL_TYPE_DISPLAY_PORT_MST || 243 optc1->signal == SIGNAL_TYPE_EDP) { 244 start_point = 1; 245 if (patched_crtc_timing.flags.INTERLACE == 1) 246 field_num = 1; 247 } 248 249 /* Interlace */ 250 if (REG(OTG_INTERLACE_CONTROL)) { 251 if (patched_crtc_timing.flags.INTERLACE == 1) 252 REG_UPDATE(OTG_INTERLACE_CONTROL, 253 OTG_INTERLACE_ENABLE, 1); 254 else 255 REG_UPDATE(OTG_INTERLACE_CONTROL, 256 OTG_INTERLACE_ENABLE, 0); 257 } 258 259 /* VTG enable set to 0 first VInit */ 260 REG_UPDATE(CONTROL, 261 VTG0_ENABLE, 0); 262 263 /* original code is using VTG offset to address OTG reg, seems wrong */ 264 REG_UPDATE_2(OTG_CONTROL, 265 OTG_START_POINT_CNTL, start_point, 266 OTG_FIELD_NUMBER_CNTL, field_num); 267 268 optc->funcs->program_global_sync(optc, 269 vready_offset, 270 vstartup_start, 271 vupdate_offset, 272 vupdate_width); 273 274 optc->funcs->set_vtg_params(optc, dc_crtc_timing, true); 275 276 /* TODO 277 * patched_crtc_timing.flags.HORZ_COUNT_BY_TWO == 1 278 * program_horz_count_by_2 279 * for DVI 30bpp mode, 0 otherwise 280 * program_horz_count_by_2(optc, &patched_crtc_timing); 281 */ 282 283 /* Enable stereo - only when we need to pack 3D frame. Other types 284 * of stereo handled in explicit call 285 */ 286 287 if (optc1_is_two_pixels_per_containter(&patched_crtc_timing) || optc1->opp_count == 2) 288 h_div = H_TIMING_DIV_BY2; 289 290 if (REG(OPTC_DATA_FORMAT_CONTROL) && optc1->tg_mask->OPTC_DATA_FORMAT != 0) { 291 uint32_t data_fmt = 0; 292 293 if (patched_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR422) 294 data_fmt = 1; 295 else if (patched_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) 296 data_fmt = 2; 297 298 REG_UPDATE(OPTC_DATA_FORMAT_CONTROL, OPTC_DATA_FORMAT, data_fmt); 299 } 300 301 if (optc1->tg_mask->OTG_H_TIMING_DIV_MODE != 0) { 302 if (optc1->opp_count == 4) 303 h_div = H_TIMING_DIV_BY4; 304 305 REG_UPDATE(OTG_H_TIMING_CNTL, 306 OTG_H_TIMING_DIV_MODE, h_div); 307 } else { 308 REG_UPDATE(OTG_H_TIMING_CNTL, 309 OTG_H_TIMING_DIV_BY2, h_div); 310 } 311 } 312 313 /** 314 * optc1_set_vtg_params - Set Vertical Timing Generator (VTG) parameters 315 * 316 * @optc: timing_generator struct used to extract the optc parameters 317 * @dc_crtc_timing: Timing parameters configured 318 * @program_fp2: Boolean value indicating if FP2 will be programmed or not 319 * 320 * OTG is responsible for generating the global sync signals, including 321 * vertical timing information for each HUBP in the dcfclk domain. Each VTG is 322 * associated with one OTG that provides HUBP with vertical timing information 323 * (i.e., there is 1:1 correspondence between OTG and VTG). This function is 324 * responsible for setting the OTG parameters to the VTG during the pipe 325 * programming. 326 */ 327 void optc1_set_vtg_params(struct timing_generator *optc, 328 const struct dc_crtc_timing *dc_crtc_timing, bool program_fp2) 329 { 330 struct dc_crtc_timing patched_crtc_timing; 331 uint32_t asic_blank_end; 332 uint32_t v_init; 333 uint32_t v_fp2 = 0; 334 int32_t vertical_line_start; 335 336 struct optc *optc1 = DCN10TG_FROM_TG(optc); 337 338 patched_crtc_timing = *dc_crtc_timing; 339 apply_front_porch_workaround(&patched_crtc_timing); 340 341 /* VCOUNT_INIT is the start of blank */ 342 v_init = patched_crtc_timing.v_total - patched_crtc_timing.v_front_porch; 343 344 /* end of blank = v_init - active */ 345 asic_blank_end = v_init - 346 patched_crtc_timing.v_border_bottom - 347 patched_crtc_timing.v_addressable - 348 patched_crtc_timing.v_border_top; 349 350 /* if VSTARTUP is before VSYNC, FP2 is the offset, otherwise 0 */ 351 vertical_line_start = asic_blank_end - optc1->vstartup_start + 1; 352 if (vertical_line_start < 0) 353 v_fp2 = -vertical_line_start; 354 355 /* Interlace */ 356 if (REG(OTG_INTERLACE_CONTROL)) { 357 if (patched_crtc_timing.flags.INTERLACE == 1) { 358 v_init = v_init / 2; 359 if ((optc1->vstartup_start/2)*2 > asic_blank_end) 360 v_fp2 = v_fp2 / 2; 361 } 362 } 363 364 if (program_fp2) 365 REG_UPDATE_2(CONTROL, 366 VTG0_FP2, v_fp2, 367 VTG0_VCOUNT_INIT, v_init); 368 else 369 REG_UPDATE(CONTROL, VTG0_VCOUNT_INIT, v_init); 370 } 371 372 void optc1_set_blank_data_double_buffer(struct timing_generator *optc, bool enable) 373 { 374 struct optc *optc1 = DCN10TG_FROM_TG(optc); 375 376 uint32_t blank_data_double_buffer_enable = enable ? 1 : 0; 377 378 REG_UPDATE(OTG_DOUBLE_BUFFER_CONTROL, 379 OTG_BLANK_DATA_DOUBLE_BUFFER_EN, blank_data_double_buffer_enable); 380 } 381 382 /** 383 * optc1_set_timing_double_buffer() - DRR double buffering control 384 * 385 * Sets double buffer point for V_TOTAL, H_TOTAL, VTOTAL_MIN, 386 * VTOTAL_MAX, VTOTAL_MIN_SEL and VTOTAL_MAX_SEL registers. 387 * 388 * Options: any time, start of frame, dp start of frame (range timing) 389 */ 390 void optc1_set_timing_double_buffer(struct timing_generator *optc, bool enable) 391 { 392 struct optc *optc1 = DCN10TG_FROM_TG(optc); 393 uint32_t mode = enable ? 2 : 0; 394 395 REG_UPDATE(OTG_DOUBLE_BUFFER_CONTROL, 396 OTG_RANGE_TIMING_DBUF_UPDATE_MODE, mode); 397 } 398 399 /** 400 * unblank_crtc 401 * Call ASIC Control Object to UnBlank CRTC. 402 */ 403 static void optc1_unblank_crtc(struct timing_generator *optc) 404 { 405 struct optc *optc1 = DCN10TG_FROM_TG(optc); 406 407 REG_UPDATE_2(OTG_BLANK_CONTROL, 408 OTG_BLANK_DATA_EN, 0, 409 OTG_BLANK_DE_MODE, 0); 410 411 /* W/A for automated testing 412 * Automated testing will fail underflow test as there 413 * sporadic underflows which occur during the optc blank 414 * sequence. As a w/a, clear underflow on unblank. 415 * This prevents the failure, but will not mask actual 416 * underflow that affect real use cases. 417 */ 418 optc1_clear_optc_underflow(optc); 419 } 420 421 /** 422 * blank_crtc 423 * Call ASIC Control Object to Blank CRTC. 424 */ 425 426 static void optc1_blank_crtc(struct timing_generator *optc) 427 { 428 struct optc *optc1 = DCN10TG_FROM_TG(optc); 429 430 REG_UPDATE_2(OTG_BLANK_CONTROL, 431 OTG_BLANK_DATA_EN, 1, 432 OTG_BLANK_DE_MODE, 0); 433 434 optc1_set_blank_data_double_buffer(optc, false); 435 } 436 437 void optc1_set_blank(struct timing_generator *optc, 438 bool enable_blanking) 439 { 440 if (enable_blanking) 441 optc1_blank_crtc(optc); 442 else 443 optc1_unblank_crtc(optc); 444 } 445 446 bool optc1_is_blanked(struct timing_generator *optc) 447 { 448 struct optc *optc1 = DCN10TG_FROM_TG(optc); 449 uint32_t blank_en; 450 uint32_t blank_state; 451 452 REG_GET_2(OTG_BLANK_CONTROL, 453 OTG_BLANK_DATA_EN, &blank_en, 454 OTG_CURRENT_BLANK_STATE, &blank_state); 455 456 return blank_en && blank_state; 457 } 458 459 void optc1_enable_optc_clock(struct timing_generator *optc, bool enable) 460 { 461 struct optc *optc1 = DCN10TG_FROM_TG(optc); 462 463 if (enable) { 464 REG_UPDATE_2(OPTC_INPUT_CLOCK_CONTROL, 465 OPTC_INPUT_CLK_EN, 1, 466 OPTC_INPUT_CLK_GATE_DIS, 1); 467 468 REG_WAIT(OPTC_INPUT_CLOCK_CONTROL, 469 OPTC_INPUT_CLK_ON, 1, 470 1, 1000); 471 472 /* Enable clock */ 473 REG_UPDATE_2(OTG_CLOCK_CONTROL, 474 OTG_CLOCK_EN, 1, 475 OTG_CLOCK_GATE_DIS, 1); 476 REG_WAIT(OTG_CLOCK_CONTROL, 477 OTG_CLOCK_ON, 1, 478 1, 1000); 479 } else { 480 481 //last chance to clear underflow, otherwise, it will always there due to clock is off. 482 if (optc->funcs->is_optc_underflow_occurred(optc) == true) 483 optc->funcs->clear_optc_underflow(optc); 484 485 REG_UPDATE_2(OTG_CLOCK_CONTROL, 486 OTG_CLOCK_GATE_DIS, 0, 487 OTG_CLOCK_EN, 0); 488 489 REG_UPDATE_2(OPTC_INPUT_CLOCK_CONTROL, 490 OPTC_INPUT_CLK_GATE_DIS, 0, 491 OPTC_INPUT_CLK_EN, 0); 492 } 493 } 494 495 /** 496 * Enable CRTC 497 * Enable CRTC - call ASIC Control Object to enable Timing generator. 498 */ 499 static bool optc1_enable_crtc(struct timing_generator *optc) 500 { 501 /* TODO FPGA wait for answer 502 * OTG_MASTER_UPDATE_MODE != CRTC_MASTER_UPDATE_MODE 503 * OTG_MASTER_UPDATE_LOCK != CRTC_MASTER_UPDATE_LOCK 504 */ 505 struct optc *optc1 = DCN10TG_FROM_TG(optc); 506 507 /* opp instance for OTG. For DCN1.0, ODM is remoed. 508 * OPP and OPTC should 1:1 mapping 509 */ 510 REG_UPDATE(OPTC_DATA_SOURCE_SELECT, 511 OPTC_SRC_SEL, optc->inst); 512 513 /* VTG enable first is for HW workaround */ 514 REG_UPDATE(CONTROL, 515 VTG0_ENABLE, 1); 516 517 REG_SEQ_START(); 518 519 /* Enable CRTC */ 520 REG_UPDATE_2(OTG_CONTROL, 521 OTG_DISABLE_POINT_CNTL, 3, 522 OTG_MASTER_EN, 1); 523 524 REG_SEQ_SUBMIT(); 525 REG_SEQ_WAIT_DONE(); 526 527 return true; 528 } 529 530 /* disable_crtc - call ASIC Control Object to disable Timing generator. */ 531 bool optc1_disable_crtc(struct timing_generator *optc) 532 { 533 struct optc *optc1 = DCN10TG_FROM_TG(optc); 534 535 /* disable otg request until end of the first line 536 * in the vertical blank region 537 */ 538 REG_UPDATE_2(OTG_CONTROL, 539 OTG_DISABLE_POINT_CNTL, 3, 540 OTG_MASTER_EN, 0); 541 542 REG_UPDATE(CONTROL, 543 VTG0_ENABLE, 0); 544 545 /* CRTC disabled, so disable clock. */ 546 REG_WAIT(OTG_CLOCK_CONTROL, 547 OTG_BUSY, 0, 548 1, 100000); 549 550 return true; 551 } 552 553 554 void optc1_program_blank_color( 555 struct timing_generator *optc, 556 const struct tg_color *black_color) 557 { 558 struct optc *optc1 = DCN10TG_FROM_TG(optc); 559 560 REG_SET_3(OTG_BLACK_COLOR, 0, 561 OTG_BLACK_COLOR_B_CB, black_color->color_b_cb, 562 OTG_BLACK_COLOR_G_Y, black_color->color_g_y, 563 OTG_BLACK_COLOR_R_CR, black_color->color_r_cr); 564 } 565 566 bool optc1_validate_timing( 567 struct timing_generator *optc, 568 const struct dc_crtc_timing *timing) 569 { 570 uint32_t v_blank; 571 uint32_t h_blank; 572 uint32_t min_v_blank; 573 struct optc *optc1 = DCN10TG_FROM_TG(optc); 574 575 ASSERT(timing != NULL); 576 577 v_blank = (timing->v_total - timing->v_addressable - 578 timing->v_border_top - timing->v_border_bottom); 579 580 h_blank = (timing->h_total - timing->h_addressable - 581 timing->h_border_right - 582 timing->h_border_left); 583 584 if (timing->timing_3d_format != TIMING_3D_FORMAT_NONE && 585 timing->timing_3d_format != TIMING_3D_FORMAT_HW_FRAME_PACKING && 586 timing->timing_3d_format != TIMING_3D_FORMAT_TOP_AND_BOTTOM && 587 timing->timing_3d_format != TIMING_3D_FORMAT_SIDE_BY_SIDE && 588 timing->timing_3d_format != TIMING_3D_FORMAT_FRAME_ALTERNATE && 589 timing->timing_3d_format != TIMING_3D_FORMAT_INBAND_FA) 590 return false; 591 592 /* Temporarily blocking interlacing mode until it's supported */ 593 if (timing->flags.INTERLACE == 1) 594 return false; 595 596 /* Check maximum number of pixels supported by Timing Generator 597 * (Currently will never fail, in order to fail needs display which 598 * needs more than 8192 horizontal and 599 * more than 8192 vertical total pixels) 600 */ 601 if (timing->h_total > optc1->max_h_total || 602 timing->v_total > optc1->max_v_total) 603 return false; 604 605 606 if (h_blank < optc1->min_h_blank) 607 return false; 608 609 if (timing->h_sync_width < optc1->min_h_sync_width || 610 timing->v_sync_width < optc1->min_v_sync_width) 611 return false; 612 613 min_v_blank = timing->flags.INTERLACE?optc1->min_v_blank_interlace:optc1->min_v_blank; 614 615 if (v_blank < min_v_blank) 616 return false; 617 618 return true; 619 620 } 621 622 /* 623 * get_vblank_counter 624 * 625 * @brief 626 * Get counter for vertical blanks. use register CRTC_STATUS_FRAME_COUNT which 627 * holds the counter of frames. 628 * 629 * @param 630 * struct timing_generator *optc - [in] timing generator which controls the 631 * desired CRTC 632 * 633 * @return 634 * Counter of frames, which should equal to number of vblanks. 635 */ 636 uint32_t optc1_get_vblank_counter(struct timing_generator *optc) 637 { 638 struct optc *optc1 = DCN10TG_FROM_TG(optc); 639 uint32_t frame_count; 640 641 REG_GET(OTG_STATUS_FRAME_COUNT, 642 OTG_FRAME_COUNT, &frame_count); 643 644 return frame_count; 645 } 646 647 void optc1_lock(struct timing_generator *optc) 648 { 649 struct optc *optc1 = DCN10TG_FROM_TG(optc); 650 651 REG_SET(OTG_GLOBAL_CONTROL0, 0, 652 OTG_MASTER_UPDATE_LOCK_SEL, optc->inst); 653 REG_SET(OTG_MASTER_UPDATE_LOCK, 0, 654 OTG_MASTER_UPDATE_LOCK, 1); 655 656 REG_WAIT(OTG_MASTER_UPDATE_LOCK, 657 UPDATE_LOCK_STATUS, 1, 658 1, 10); 659 660 TRACE_OPTC_LOCK_UNLOCK_STATE(optc1, optc->inst, true); 661 } 662 663 void optc1_unlock(struct timing_generator *optc) 664 { 665 struct optc *optc1 = DCN10TG_FROM_TG(optc); 666 667 REG_SET(OTG_MASTER_UPDATE_LOCK, 0, 668 OTG_MASTER_UPDATE_LOCK, 0); 669 670 TRACE_OPTC_LOCK_UNLOCK_STATE(optc1, optc->inst, false); 671 } 672 673 void optc1_get_position(struct timing_generator *optc, 674 struct crtc_position *position) 675 { 676 struct optc *optc1 = DCN10TG_FROM_TG(optc); 677 678 REG_GET_2(OTG_STATUS_POSITION, 679 OTG_HORZ_COUNT, &position->horizontal_count, 680 OTG_VERT_COUNT, &position->vertical_count); 681 682 REG_GET(OTG_NOM_VERT_POSITION, 683 OTG_VERT_COUNT_NOM, &position->nominal_vcount); 684 } 685 686 bool optc1_is_counter_moving(struct timing_generator *optc) 687 { 688 struct crtc_position position1, position2; 689 690 optc->funcs->get_position(optc, &position1); 691 optc->funcs->get_position(optc, &position2); 692 693 if (position1.horizontal_count == position2.horizontal_count && 694 position1.vertical_count == position2.vertical_count) 695 return false; 696 else 697 return true; 698 } 699 700 bool optc1_did_triggered_reset_occur( 701 struct timing_generator *optc) 702 { 703 struct optc *optc1 = DCN10TG_FROM_TG(optc); 704 uint32_t occurred_force, occurred_vsync; 705 706 REG_GET(OTG_FORCE_COUNT_NOW_CNTL, 707 OTG_FORCE_COUNT_NOW_OCCURRED, &occurred_force); 708 709 REG_GET(OTG_VERT_SYNC_CONTROL, 710 OTG_FORCE_VSYNC_NEXT_LINE_OCCURRED, &occurred_vsync); 711 712 return occurred_vsync != 0 || occurred_force != 0; 713 } 714 715 void optc1_disable_reset_trigger(struct timing_generator *optc) 716 { 717 struct optc *optc1 = DCN10TG_FROM_TG(optc); 718 719 REG_WRITE(OTG_TRIGA_CNTL, 0); 720 721 REG_SET(OTG_FORCE_COUNT_NOW_CNTL, 0, 722 OTG_FORCE_COUNT_NOW_CLEAR, 1); 723 724 REG_SET(OTG_VERT_SYNC_CONTROL, 0, 725 OTG_FORCE_VSYNC_NEXT_LINE_CLEAR, 1); 726 } 727 728 void optc1_enable_reset_trigger(struct timing_generator *optc, int source_tg_inst) 729 { 730 struct optc *optc1 = DCN10TG_FROM_TG(optc); 731 uint32_t falling_edge; 732 733 REG_GET(OTG_V_SYNC_A_CNTL, 734 OTG_V_SYNC_A_POL, &falling_edge); 735 736 if (falling_edge) 737 REG_SET_3(OTG_TRIGA_CNTL, 0, 738 /* vsync signal from selected OTG pipe based 739 * on OTG_TRIG_SOURCE_PIPE_SELECT setting 740 */ 741 OTG_TRIGA_SOURCE_SELECT, 20, 742 OTG_TRIGA_SOURCE_PIPE_SELECT, source_tg_inst, 743 /* always detect falling edge */ 744 OTG_TRIGA_FALLING_EDGE_DETECT_CNTL, 1); 745 else 746 REG_SET_3(OTG_TRIGA_CNTL, 0, 747 /* vsync signal from selected OTG pipe based 748 * on OTG_TRIG_SOURCE_PIPE_SELECT setting 749 */ 750 OTG_TRIGA_SOURCE_SELECT, 20, 751 OTG_TRIGA_SOURCE_PIPE_SELECT, source_tg_inst, 752 /* always detect rising edge */ 753 OTG_TRIGA_RISING_EDGE_DETECT_CNTL, 1); 754 755 REG_SET(OTG_FORCE_COUNT_NOW_CNTL, 0, 756 /* force H count to H_TOTAL and V count to V_TOTAL in 757 * progressive mode and V_TOTAL-1 in interlaced mode 758 */ 759 OTG_FORCE_COUNT_NOW_MODE, 2); 760 } 761 762 void optc1_enable_crtc_reset( 763 struct timing_generator *optc, 764 int source_tg_inst, 765 struct crtc_trigger_info *crtc_tp) 766 { 767 struct optc *optc1 = DCN10TG_FROM_TG(optc); 768 uint32_t falling_edge = 0; 769 uint32_t rising_edge = 0; 770 771 switch (crtc_tp->event) { 772 773 case CRTC_EVENT_VSYNC_RISING: 774 rising_edge = 1; 775 break; 776 777 case CRTC_EVENT_VSYNC_FALLING: 778 falling_edge = 1; 779 break; 780 } 781 782 REG_SET_4(OTG_TRIGA_CNTL, 0, 783 /* vsync signal from selected OTG pipe based 784 * on OTG_TRIG_SOURCE_PIPE_SELECT setting 785 */ 786 OTG_TRIGA_SOURCE_SELECT, 20, 787 OTG_TRIGA_SOURCE_PIPE_SELECT, source_tg_inst, 788 /* always detect falling edge */ 789 OTG_TRIGA_RISING_EDGE_DETECT_CNTL, rising_edge, 790 OTG_TRIGA_FALLING_EDGE_DETECT_CNTL, falling_edge); 791 792 switch (crtc_tp->delay) { 793 case TRIGGER_DELAY_NEXT_LINE: 794 REG_SET(OTG_VERT_SYNC_CONTROL, 0, 795 OTG_AUTO_FORCE_VSYNC_MODE, 1); 796 break; 797 case TRIGGER_DELAY_NEXT_PIXEL: 798 REG_SET(OTG_FORCE_COUNT_NOW_CNTL, 0, 799 /* force H count to H_TOTAL and V count to V_TOTAL in 800 * progressive mode and V_TOTAL-1 in interlaced mode 801 */ 802 OTG_FORCE_COUNT_NOW_MODE, 2); 803 break; 804 } 805 } 806 807 void optc1_wait_for_state(struct timing_generator *optc, 808 enum crtc_state state) 809 { 810 struct optc *optc1 = DCN10TG_FROM_TG(optc); 811 812 switch (state) { 813 case CRTC_STATE_VBLANK: 814 REG_WAIT(OTG_STATUS, 815 OTG_V_BLANK, 1, 816 1, 100000); /* 1 vupdate at 10hz */ 817 break; 818 819 case CRTC_STATE_VACTIVE: 820 REG_WAIT(OTG_STATUS, 821 OTG_V_ACTIVE_DISP, 1, 822 1, 100000); /* 1 vupdate at 10hz */ 823 break; 824 825 default: 826 break; 827 } 828 } 829 830 void optc1_set_early_control( 831 struct timing_generator *optc, 832 uint32_t early_cntl) 833 { 834 /* asic design change, do not need this control 835 * empty for share caller logic 836 */ 837 } 838 839 840 void optc1_set_static_screen_control( 841 struct timing_generator *optc, 842 uint32_t event_triggers, 843 uint32_t num_frames) 844 { 845 struct optc *optc1 = DCN10TG_FROM_TG(optc); 846 847 // By register spec, it only takes 8 bit value 848 if (num_frames > 0xFF) 849 num_frames = 0xFF; 850 851 /* Bit 8 is no longer applicable in RV for PSR case, 852 * set bit 8 to 0 if given 853 */ 854 if ((event_triggers & STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN) 855 != 0) 856 event_triggers = event_triggers & 857 ~STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN; 858 859 REG_SET_2(OTG_STATIC_SCREEN_CONTROL, 0, 860 OTG_STATIC_SCREEN_EVENT_MASK, event_triggers, 861 OTG_STATIC_SCREEN_FRAME_COUNT, num_frames); 862 } 863 864 static void optc1_setup_manual_trigger(struct timing_generator *optc) 865 { 866 struct optc *optc1 = DCN10TG_FROM_TG(optc); 867 868 REG_SET(OTG_GLOBAL_CONTROL2, 0, 869 MANUAL_FLOW_CONTROL_SEL, optc->inst); 870 871 REG_SET_8(OTG_TRIGA_CNTL, 0, 872 OTG_TRIGA_SOURCE_SELECT, 22, 873 OTG_TRIGA_SOURCE_PIPE_SELECT, optc->inst, 874 OTG_TRIGA_RISING_EDGE_DETECT_CNTL, 1, 875 OTG_TRIGA_FALLING_EDGE_DETECT_CNTL, 0, 876 OTG_TRIGA_POLARITY_SELECT, 0, 877 OTG_TRIGA_FREQUENCY_SELECT, 0, 878 OTG_TRIGA_DELAY, 0, 879 OTG_TRIGA_CLEAR, 1); 880 } 881 882 static void optc1_program_manual_trigger(struct timing_generator *optc) 883 { 884 struct optc *optc1 = DCN10TG_FROM_TG(optc); 885 886 REG_SET(OTG_MANUAL_FLOW_CONTROL, 0, 887 MANUAL_FLOW_CONTROL, 1); 888 889 REG_SET(OTG_MANUAL_FLOW_CONTROL, 0, 890 MANUAL_FLOW_CONTROL, 0); 891 } 892 893 894 /** 895 ***************************************************************************** 896 * Function: set_drr 897 * 898 * @brief 899 * Program dynamic refresh rate registers m_OTGx_OTG_V_TOTAL_*. 900 * 901 ***************************************************************************** 902 */ 903 void optc1_set_drr( 904 struct timing_generator *optc, 905 const struct drr_params *params) 906 { 907 struct optc *optc1 = DCN10TG_FROM_TG(optc); 908 909 if (params != NULL && 910 params->vertical_total_max > 0 && 911 params->vertical_total_min > 0) { 912 913 if (params->vertical_total_mid != 0) { 914 915 REG_SET(OTG_V_TOTAL_MID, 0, 916 OTG_V_TOTAL_MID, params->vertical_total_mid - 1); 917 918 REG_UPDATE_2(OTG_V_TOTAL_CONTROL, 919 OTG_VTOTAL_MID_REPLACING_MAX_EN, 1, 920 OTG_VTOTAL_MID_FRAME_NUM, 921 (uint8_t)params->vertical_total_mid_frame_num); 922 923 } 924 925 optc->funcs->set_vtotal_min_max(optc, params->vertical_total_min - 1, params->vertical_total_max - 1); 926 927 REG_UPDATE_5(OTG_V_TOTAL_CONTROL, 928 OTG_V_TOTAL_MIN_SEL, 1, 929 OTG_V_TOTAL_MAX_SEL, 1, 930 OTG_FORCE_LOCK_ON_EVENT, 0, 931 OTG_SET_V_TOTAL_MIN_MASK_EN, 0, 932 OTG_SET_V_TOTAL_MIN_MASK, 0); 933 } 934 935 // Setup manual flow control for EOF via TRIG_A 936 optc->funcs->setup_manual_trigger(optc); 937 } 938 939 void optc1_set_vtotal_min_max(struct timing_generator *optc, int vtotal_min, int vtotal_max) 940 { 941 struct optc *optc1 = DCN10TG_FROM_TG(optc); 942 943 REG_SET(OTG_V_TOTAL_MAX, 0, 944 OTG_V_TOTAL_MAX, vtotal_max); 945 946 REG_SET(OTG_V_TOTAL_MIN, 0, 947 OTG_V_TOTAL_MIN, vtotal_min); 948 } 949 950 static void optc1_set_test_pattern( 951 struct timing_generator *optc, 952 /* TODO: replace 'controller_dp_test_pattern' by 'test_pattern_mode' 953 * because this is not DP-specific (which is probably somewhere in DP 954 * encoder) */ 955 enum controller_dp_test_pattern test_pattern, 956 enum dc_color_depth color_depth) 957 { 958 struct optc *optc1 = DCN10TG_FROM_TG(optc); 959 enum test_pattern_color_format bit_depth; 960 enum test_pattern_dyn_range dyn_range; 961 enum test_pattern_mode mode; 962 uint32_t pattern_mask; 963 uint32_t pattern_data; 964 /* color ramp generator mixes 16-bits color */ 965 uint32_t src_bpc = 16; 966 /* requested bpc */ 967 uint32_t dst_bpc; 968 uint32_t index; 969 /* RGB values of the color bars. 970 * Produce two RGB colors: RGB0 - white (all Fs) 971 * and RGB1 - black (all 0s) 972 * (three RGB components for two colors) 973 */ 974 uint16_t src_color[6] = {0xFFFF, 0xFFFF, 0xFFFF, 0x0000, 975 0x0000, 0x0000}; 976 /* dest color (converted to the specified color format) */ 977 uint16_t dst_color[6]; 978 uint32_t inc_base; 979 980 /* translate to bit depth */ 981 switch (color_depth) { 982 case COLOR_DEPTH_666: 983 bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_6; 984 break; 985 case COLOR_DEPTH_888: 986 bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_8; 987 break; 988 case COLOR_DEPTH_101010: 989 bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_10; 990 break; 991 case COLOR_DEPTH_121212: 992 bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_12; 993 break; 994 default: 995 bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_8; 996 break; 997 } 998 999 switch (test_pattern) { 1000 case CONTROLLER_DP_TEST_PATTERN_COLORSQUARES: 1001 case CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA: 1002 { 1003 dyn_range = (test_pattern == 1004 CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA ? 1005 TEST_PATTERN_DYN_RANGE_CEA : 1006 TEST_PATTERN_DYN_RANGE_VESA); 1007 mode = TEST_PATTERN_MODE_COLORSQUARES_RGB; 1008 1009 REG_UPDATE_2(OTG_TEST_PATTERN_PARAMETERS, 1010 OTG_TEST_PATTERN_VRES, 6, 1011 OTG_TEST_PATTERN_HRES, 6); 1012 1013 REG_UPDATE_4(OTG_TEST_PATTERN_CONTROL, 1014 OTG_TEST_PATTERN_EN, 1, 1015 OTG_TEST_PATTERN_MODE, mode, 1016 OTG_TEST_PATTERN_DYNAMIC_RANGE, dyn_range, 1017 OTG_TEST_PATTERN_COLOR_FORMAT, bit_depth); 1018 } 1019 break; 1020 1021 case CONTROLLER_DP_TEST_PATTERN_VERTICALBARS: 1022 case CONTROLLER_DP_TEST_PATTERN_HORIZONTALBARS: 1023 { 1024 mode = (test_pattern == 1025 CONTROLLER_DP_TEST_PATTERN_VERTICALBARS ? 1026 TEST_PATTERN_MODE_VERTICALBARS : 1027 TEST_PATTERN_MODE_HORIZONTALBARS); 1028 1029 switch (bit_depth) { 1030 case TEST_PATTERN_COLOR_FORMAT_BPC_6: 1031 dst_bpc = 6; 1032 break; 1033 case TEST_PATTERN_COLOR_FORMAT_BPC_8: 1034 dst_bpc = 8; 1035 break; 1036 case TEST_PATTERN_COLOR_FORMAT_BPC_10: 1037 dst_bpc = 10; 1038 break; 1039 default: 1040 dst_bpc = 8; 1041 break; 1042 } 1043 1044 /* adjust color to the required colorFormat */ 1045 for (index = 0; index < 6; index++) { 1046 /* dst = 2^dstBpc * src / 2^srcBpc = src >> 1047 * (srcBpc - dstBpc); 1048 */ 1049 dst_color[index] = 1050 src_color[index] >> (src_bpc - dst_bpc); 1051 /* CRTC_TEST_PATTERN_DATA has 16 bits, 1052 * lowest 6 are hardwired to ZERO 1053 * color bits should be left aligned to MSB 1054 * XXXXXXXXXX000000 for 10 bit, 1055 * XXXXXXXX00000000 for 8 bit and XXXXXX0000000000 for 6 1056 */ 1057 dst_color[index] <<= (16 - dst_bpc); 1058 } 1059 1060 REG_WRITE(OTG_TEST_PATTERN_PARAMETERS, 0); 1061 1062 /* We have to write the mask before data, similar to pipeline. 1063 * For example, for 8 bpc, if we want RGB0 to be magenta, 1064 * and RGB1 to be cyan, 1065 * we need to make 7 writes: 1066 * MASK DATA 1067 * 000001 00000000 00000000 set mask to R0 1068 * 000010 11111111 00000000 R0 255, 0xFF00, set mask to G0 1069 * 000100 00000000 00000000 G0 0, 0x0000, set mask to B0 1070 * 001000 11111111 00000000 B0 255, 0xFF00, set mask to R1 1071 * 010000 00000000 00000000 R1 0, 0x0000, set mask to G1 1072 * 100000 11111111 00000000 G1 255, 0xFF00, set mask to B1 1073 * 100000 11111111 00000000 B1 255, 0xFF00 1074 * 1075 * we will make a loop of 6 in which we prepare the mask, 1076 * then write, then prepare the color for next write. 1077 * first iteration will write mask only, 1078 * but each next iteration color prepared in 1079 * previous iteration will be written within new mask, 1080 * the last component will written separately, 1081 * mask is not changing between 6th and 7th write 1082 * and color will be prepared by last iteration 1083 */ 1084 1085 /* write color, color values mask in CRTC_TEST_PATTERN_MASK 1086 * is B1, G1, R1, B0, G0, R0 1087 */ 1088 pattern_data = 0; 1089 for (index = 0; index < 6; index++) { 1090 /* prepare color mask, first write PATTERN_DATA 1091 * will have all zeros 1092 */ 1093 pattern_mask = (1 << index); 1094 1095 /* write color component */ 1096 REG_SET_2(OTG_TEST_PATTERN_COLOR, 0, 1097 OTG_TEST_PATTERN_MASK, pattern_mask, 1098 OTG_TEST_PATTERN_DATA, pattern_data); 1099 1100 /* prepare next color component, 1101 * will be written in the next iteration 1102 */ 1103 pattern_data = dst_color[index]; 1104 } 1105 /* write last color component, 1106 * it's been already prepared in the loop 1107 */ 1108 REG_SET_2(OTG_TEST_PATTERN_COLOR, 0, 1109 OTG_TEST_PATTERN_MASK, pattern_mask, 1110 OTG_TEST_PATTERN_DATA, pattern_data); 1111 1112 /* enable test pattern */ 1113 REG_UPDATE_4(OTG_TEST_PATTERN_CONTROL, 1114 OTG_TEST_PATTERN_EN, 1, 1115 OTG_TEST_PATTERN_MODE, mode, 1116 OTG_TEST_PATTERN_DYNAMIC_RANGE, 0, 1117 OTG_TEST_PATTERN_COLOR_FORMAT, bit_depth); 1118 } 1119 break; 1120 1121 case CONTROLLER_DP_TEST_PATTERN_COLORRAMP: 1122 { 1123 mode = (bit_depth == 1124 TEST_PATTERN_COLOR_FORMAT_BPC_10 ? 1125 TEST_PATTERN_MODE_DUALRAMP_RGB : 1126 TEST_PATTERN_MODE_SINGLERAMP_RGB); 1127 1128 switch (bit_depth) { 1129 case TEST_PATTERN_COLOR_FORMAT_BPC_6: 1130 dst_bpc = 6; 1131 break; 1132 case TEST_PATTERN_COLOR_FORMAT_BPC_8: 1133 dst_bpc = 8; 1134 break; 1135 case TEST_PATTERN_COLOR_FORMAT_BPC_10: 1136 dst_bpc = 10; 1137 break; 1138 default: 1139 dst_bpc = 8; 1140 break; 1141 } 1142 1143 /* increment for the first ramp for one color gradation 1144 * 1 gradation for 6-bit color is 2^10 1145 * gradations in 16-bit color 1146 */ 1147 inc_base = (src_bpc - dst_bpc); 1148 1149 switch (bit_depth) { 1150 case TEST_PATTERN_COLOR_FORMAT_BPC_6: 1151 { 1152 REG_UPDATE_5(OTG_TEST_PATTERN_PARAMETERS, 1153 OTG_TEST_PATTERN_INC0, inc_base, 1154 OTG_TEST_PATTERN_INC1, 0, 1155 OTG_TEST_PATTERN_HRES, 6, 1156 OTG_TEST_PATTERN_VRES, 6, 1157 OTG_TEST_PATTERN_RAMP0_OFFSET, 0); 1158 } 1159 break; 1160 case TEST_PATTERN_COLOR_FORMAT_BPC_8: 1161 { 1162 REG_UPDATE_5(OTG_TEST_PATTERN_PARAMETERS, 1163 OTG_TEST_PATTERN_INC0, inc_base, 1164 OTG_TEST_PATTERN_INC1, 0, 1165 OTG_TEST_PATTERN_HRES, 8, 1166 OTG_TEST_PATTERN_VRES, 6, 1167 OTG_TEST_PATTERN_RAMP0_OFFSET, 0); 1168 } 1169 break; 1170 case TEST_PATTERN_COLOR_FORMAT_BPC_10: 1171 { 1172 REG_UPDATE_5(OTG_TEST_PATTERN_PARAMETERS, 1173 OTG_TEST_PATTERN_INC0, inc_base, 1174 OTG_TEST_PATTERN_INC1, inc_base + 2, 1175 OTG_TEST_PATTERN_HRES, 8, 1176 OTG_TEST_PATTERN_VRES, 5, 1177 OTG_TEST_PATTERN_RAMP0_OFFSET, 384 << 6); 1178 } 1179 break; 1180 default: 1181 break; 1182 } 1183 1184 REG_WRITE(OTG_TEST_PATTERN_COLOR, 0); 1185 1186 /* enable test pattern */ 1187 REG_WRITE(OTG_TEST_PATTERN_CONTROL, 0); 1188 1189 REG_SET_4(OTG_TEST_PATTERN_CONTROL, 0, 1190 OTG_TEST_PATTERN_EN, 1, 1191 OTG_TEST_PATTERN_MODE, mode, 1192 OTG_TEST_PATTERN_DYNAMIC_RANGE, 0, 1193 OTG_TEST_PATTERN_COLOR_FORMAT, bit_depth); 1194 } 1195 break; 1196 case CONTROLLER_DP_TEST_PATTERN_VIDEOMODE: 1197 { 1198 REG_WRITE(OTG_TEST_PATTERN_CONTROL, 0); 1199 REG_WRITE(OTG_TEST_PATTERN_COLOR, 0); 1200 REG_WRITE(OTG_TEST_PATTERN_PARAMETERS, 0); 1201 } 1202 break; 1203 default: 1204 break; 1205 1206 } 1207 } 1208 1209 void optc1_get_crtc_scanoutpos( 1210 struct timing_generator *optc, 1211 uint32_t *v_blank_start, 1212 uint32_t *v_blank_end, 1213 uint32_t *h_position, 1214 uint32_t *v_position) 1215 { 1216 struct optc *optc1 = DCN10TG_FROM_TG(optc); 1217 struct crtc_position position; 1218 1219 REG_GET_2(OTG_V_BLANK_START_END, 1220 OTG_V_BLANK_START, v_blank_start, 1221 OTG_V_BLANK_END, v_blank_end); 1222 1223 optc1_get_position(optc, &position); 1224 1225 *h_position = position.horizontal_count; 1226 *v_position = position.vertical_count; 1227 } 1228 1229 static void optc1_enable_stereo(struct timing_generator *optc, 1230 const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags) 1231 { 1232 struct optc *optc1 = DCN10TG_FROM_TG(optc); 1233 1234 if (flags) { 1235 uint32_t stereo_en; 1236 stereo_en = flags->FRAME_PACKED == 0 ? 1 : 0; 1237 1238 if (flags->PROGRAM_STEREO) 1239 REG_UPDATE_3(OTG_STEREO_CONTROL, 1240 OTG_STEREO_EN, stereo_en, 1241 OTG_STEREO_SYNC_OUTPUT_LINE_NUM, 0, 1242 OTG_STEREO_SYNC_OUTPUT_POLARITY, flags->RIGHT_EYE_POLARITY == 0 ? 0 : 1); 1243 1244 if (flags->PROGRAM_POLARITY) 1245 REG_UPDATE(OTG_STEREO_CONTROL, 1246 OTG_STEREO_EYE_FLAG_POLARITY, 1247 flags->RIGHT_EYE_POLARITY == 0 ? 0 : 1); 1248 1249 if (flags->DISABLE_STEREO_DP_SYNC) 1250 REG_UPDATE(OTG_STEREO_CONTROL, 1251 OTG_DISABLE_STEREOSYNC_OUTPUT_FOR_DP, 1); 1252 1253 if (flags->PROGRAM_STEREO) 1254 REG_UPDATE_2(OTG_3D_STRUCTURE_CONTROL, 1255 OTG_3D_STRUCTURE_EN, flags->FRAME_PACKED, 1256 OTG_3D_STRUCTURE_STEREO_SEL_OVR, flags->FRAME_PACKED); 1257 1258 } 1259 } 1260 1261 void optc1_program_stereo(struct timing_generator *optc, 1262 const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags) 1263 { 1264 if (flags->PROGRAM_STEREO) 1265 optc1_enable_stereo(optc, timing, flags); 1266 else 1267 optc1_disable_stereo(optc); 1268 } 1269 1270 1271 bool optc1_is_stereo_left_eye(struct timing_generator *optc) 1272 { 1273 bool ret = false; 1274 uint32_t left_eye = 0; 1275 struct optc *optc1 = DCN10TG_FROM_TG(optc); 1276 1277 REG_GET(OTG_STEREO_STATUS, 1278 OTG_STEREO_CURRENT_EYE, &left_eye); 1279 if (left_eye == 1) 1280 ret = true; 1281 else 1282 ret = false; 1283 1284 return ret; 1285 } 1286 1287 bool optc1_get_hw_timing(struct timing_generator *tg, 1288 struct dc_crtc_timing *hw_crtc_timing) 1289 { 1290 struct dcn_otg_state s = {0}; 1291 1292 if (tg == NULL || hw_crtc_timing == NULL) 1293 return false; 1294 1295 optc1_read_otg_state(DCN10TG_FROM_TG(tg), &s); 1296 1297 hw_crtc_timing->h_total = s.h_total + 1; 1298 hw_crtc_timing->h_addressable = s.h_total - ((s.h_total - s.h_blank_start) + s.h_blank_end); 1299 hw_crtc_timing->h_front_porch = s.h_total + 1 - s.h_blank_start; 1300 hw_crtc_timing->h_sync_width = s.h_sync_a_end - s.h_sync_a_start; 1301 1302 hw_crtc_timing->v_total = s.v_total + 1; 1303 hw_crtc_timing->v_addressable = s.v_total - ((s.v_total - s.v_blank_start) + s.v_blank_end); 1304 hw_crtc_timing->v_front_porch = s.v_total + 1 - s.v_blank_start; 1305 hw_crtc_timing->v_sync_width = s.v_sync_a_end - s.v_sync_a_start; 1306 1307 return true; 1308 } 1309 1310 1311 void optc1_read_otg_state(struct optc *optc1, 1312 struct dcn_otg_state *s) 1313 { 1314 REG_GET(OTG_CONTROL, 1315 OTG_MASTER_EN, &s->otg_enabled); 1316 1317 REG_GET_2(OTG_V_BLANK_START_END, 1318 OTG_V_BLANK_START, &s->v_blank_start, 1319 OTG_V_BLANK_END, &s->v_blank_end); 1320 1321 REG_GET(OTG_V_SYNC_A_CNTL, 1322 OTG_V_SYNC_A_POL, &s->v_sync_a_pol); 1323 1324 REG_GET(OTG_V_TOTAL, 1325 OTG_V_TOTAL, &s->v_total); 1326 1327 REG_GET(OTG_V_TOTAL_MAX, 1328 OTG_V_TOTAL_MAX, &s->v_total_max); 1329 1330 REG_GET(OTG_V_TOTAL_MIN, 1331 OTG_V_TOTAL_MIN, &s->v_total_min); 1332 1333 REG_GET(OTG_V_TOTAL_CONTROL, 1334 OTG_V_TOTAL_MAX_SEL, &s->v_total_max_sel); 1335 1336 REG_GET(OTG_V_TOTAL_CONTROL, 1337 OTG_V_TOTAL_MIN_SEL, &s->v_total_min_sel); 1338 1339 REG_GET_2(OTG_V_SYNC_A, 1340 OTG_V_SYNC_A_START, &s->v_sync_a_start, 1341 OTG_V_SYNC_A_END, &s->v_sync_a_end); 1342 1343 REG_GET_2(OTG_H_BLANK_START_END, 1344 OTG_H_BLANK_START, &s->h_blank_start, 1345 OTG_H_BLANK_END, &s->h_blank_end); 1346 1347 REG_GET_2(OTG_H_SYNC_A, 1348 OTG_H_SYNC_A_START, &s->h_sync_a_start, 1349 OTG_H_SYNC_A_END, &s->h_sync_a_end); 1350 1351 REG_GET(OTG_H_SYNC_A_CNTL, 1352 OTG_H_SYNC_A_POL, &s->h_sync_a_pol); 1353 1354 REG_GET(OTG_H_TOTAL, 1355 OTG_H_TOTAL, &s->h_total); 1356 1357 REG_GET(OPTC_INPUT_GLOBAL_CONTROL, 1358 OPTC_UNDERFLOW_OCCURRED_STATUS, &s->underflow_occurred_status); 1359 1360 REG_GET(OTG_VERTICAL_INTERRUPT1_CONTROL, 1361 OTG_VERTICAL_INTERRUPT1_INT_ENABLE, &s->vertical_interrupt1_en); 1362 1363 REG_GET(OTG_VERTICAL_INTERRUPT1_POSITION, 1364 OTG_VERTICAL_INTERRUPT1_LINE_START, &s->vertical_interrupt1_line); 1365 1366 REG_GET(OTG_VERTICAL_INTERRUPT2_CONTROL, 1367 OTG_VERTICAL_INTERRUPT2_INT_ENABLE, &s->vertical_interrupt2_en); 1368 1369 REG_GET(OTG_VERTICAL_INTERRUPT2_POSITION, 1370 OTG_VERTICAL_INTERRUPT2_LINE_START, &s->vertical_interrupt2_line); 1371 } 1372 1373 bool optc1_get_otg_active_size(struct timing_generator *optc, 1374 uint32_t *otg_active_width, 1375 uint32_t *otg_active_height) 1376 { 1377 uint32_t otg_enabled; 1378 uint32_t v_blank_start; 1379 uint32_t v_blank_end; 1380 uint32_t h_blank_start; 1381 uint32_t h_blank_end; 1382 struct optc *optc1 = DCN10TG_FROM_TG(optc); 1383 1384 1385 REG_GET(OTG_CONTROL, 1386 OTG_MASTER_EN, &otg_enabled); 1387 1388 if (otg_enabled == 0) 1389 return false; 1390 1391 REG_GET_2(OTG_V_BLANK_START_END, 1392 OTG_V_BLANK_START, &v_blank_start, 1393 OTG_V_BLANK_END, &v_blank_end); 1394 1395 REG_GET_2(OTG_H_BLANK_START_END, 1396 OTG_H_BLANK_START, &h_blank_start, 1397 OTG_H_BLANK_END, &h_blank_end); 1398 1399 *otg_active_width = v_blank_start - v_blank_end; 1400 *otg_active_height = h_blank_start - h_blank_end; 1401 return true; 1402 } 1403 1404 void optc1_clear_optc_underflow(struct timing_generator *optc) 1405 { 1406 struct optc *optc1 = DCN10TG_FROM_TG(optc); 1407 1408 REG_UPDATE(OPTC_INPUT_GLOBAL_CONTROL, OPTC_UNDERFLOW_CLEAR, 1); 1409 } 1410 1411 void optc1_tg_init(struct timing_generator *optc) 1412 { 1413 optc1_set_blank_data_double_buffer(optc, true); 1414 optc1_set_timing_double_buffer(optc, true); 1415 optc1_clear_optc_underflow(optc); 1416 } 1417 1418 bool optc1_is_tg_enabled(struct timing_generator *optc) 1419 { 1420 struct optc *optc1 = DCN10TG_FROM_TG(optc); 1421 uint32_t otg_enabled = 0; 1422 1423 REG_GET(OTG_CONTROL, OTG_MASTER_EN, &otg_enabled); 1424 1425 return (otg_enabled != 0); 1426 1427 } 1428 1429 bool optc1_is_optc_underflow_occurred(struct timing_generator *optc) 1430 { 1431 struct optc *optc1 = DCN10TG_FROM_TG(optc); 1432 uint32_t underflow_occurred = 0; 1433 1434 REG_GET(OPTC_INPUT_GLOBAL_CONTROL, 1435 OPTC_UNDERFLOW_OCCURRED_STATUS, 1436 &underflow_occurred); 1437 1438 return (underflow_occurred == 1); 1439 } 1440 1441 bool optc1_configure_crc(struct timing_generator *optc, 1442 const struct crc_params *params) 1443 { 1444 struct optc *optc1 = DCN10TG_FROM_TG(optc); 1445 1446 /* Cannot configure crc on a CRTC that is disabled */ 1447 if (!optc1_is_tg_enabled(optc)) 1448 return false; 1449 1450 REG_WRITE(OTG_CRC_CNTL, 0); 1451 1452 if (!params->enable) 1453 return true; 1454 1455 /* Program frame boundaries */ 1456 /* Window A x axis start and end. */ 1457 REG_UPDATE_2(OTG_CRC0_WINDOWA_X_CONTROL, 1458 OTG_CRC0_WINDOWA_X_START, params->windowa_x_start, 1459 OTG_CRC0_WINDOWA_X_END, params->windowa_x_end); 1460 1461 /* Window A y axis start and end. */ 1462 REG_UPDATE_2(OTG_CRC0_WINDOWA_Y_CONTROL, 1463 OTG_CRC0_WINDOWA_Y_START, params->windowa_y_start, 1464 OTG_CRC0_WINDOWA_Y_END, params->windowa_y_end); 1465 1466 /* Window B x axis start and end. */ 1467 REG_UPDATE_2(OTG_CRC0_WINDOWB_X_CONTROL, 1468 OTG_CRC0_WINDOWB_X_START, params->windowb_x_start, 1469 OTG_CRC0_WINDOWB_X_END, params->windowb_x_end); 1470 1471 /* Window B y axis start and end. */ 1472 REG_UPDATE_2(OTG_CRC0_WINDOWB_Y_CONTROL, 1473 OTG_CRC0_WINDOWB_Y_START, params->windowb_y_start, 1474 OTG_CRC0_WINDOWB_Y_END, params->windowb_y_end); 1475 1476 /* Set crc mode and selection, and enable. Only using CRC0*/ 1477 REG_UPDATE_3(OTG_CRC_CNTL, 1478 OTG_CRC_CONT_EN, params->continuous_mode ? 1 : 0, 1479 OTG_CRC0_SELECT, params->selection, 1480 OTG_CRC_EN, 1); 1481 1482 return true; 1483 } 1484 1485 /** 1486 * optc1_get_crc - Capture CRC result per component 1487 * 1488 * @optc: timing_generator instance. 1489 * @r_cr: 16-bit primary CRC signature for red data. 1490 * @g_y: 16-bit primary CRC signature for green data. 1491 * @b_cb: 16-bit primary CRC signature for blue data. 1492 * 1493 * This function reads the CRC signature from the OPTC registers. Notice that 1494 * we have three registers to keep the CRC result per color component (RGB). 1495 * 1496 * Returns: 1497 * If CRC is disabled, return false; otherwise, return true, and the CRC 1498 * results in the parameters. 1499 */ 1500 bool optc1_get_crc(struct timing_generator *optc, 1501 uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb) 1502 { 1503 uint32_t field = 0; 1504 struct optc *optc1 = DCN10TG_FROM_TG(optc); 1505 1506 REG_GET(OTG_CRC_CNTL, OTG_CRC_EN, &field); 1507 1508 /* Early return if CRC is not enabled for this CRTC */ 1509 if (!field) 1510 return false; 1511 1512 /* OTG_CRC0_DATA_RG has the CRC16 results for the red and green component */ 1513 REG_GET_2(OTG_CRC0_DATA_RG, 1514 CRC0_R_CR, r_cr, 1515 CRC0_G_Y, g_y); 1516 1517 /* OTG_CRC0_DATA_B has the CRC16 results for the blue component */ 1518 REG_GET(OTG_CRC0_DATA_B, 1519 CRC0_B_CB, b_cb); 1520 1521 return true; 1522 } 1523 1524 static const struct timing_generator_funcs dcn10_tg_funcs = { 1525 .validate_timing = optc1_validate_timing, 1526 .program_timing = optc1_program_timing, 1527 .setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0, 1528 .setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1, 1529 .setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2, 1530 .program_global_sync = optc1_program_global_sync, 1531 .enable_crtc = optc1_enable_crtc, 1532 .disable_crtc = optc1_disable_crtc, 1533 /* used by enable_timing_synchronization. Not need for FPGA */ 1534 .is_counter_moving = optc1_is_counter_moving, 1535 .get_position = optc1_get_position, 1536 .get_frame_count = optc1_get_vblank_counter, 1537 .get_scanoutpos = optc1_get_crtc_scanoutpos, 1538 .get_otg_active_size = optc1_get_otg_active_size, 1539 .set_early_control = optc1_set_early_control, 1540 /* used by enable_timing_synchronization. Not need for FPGA */ 1541 .wait_for_state = optc1_wait_for_state, 1542 .set_blank = optc1_set_blank, 1543 .is_blanked = optc1_is_blanked, 1544 .set_blank_color = optc1_program_blank_color, 1545 .did_triggered_reset_occur = optc1_did_triggered_reset_occur, 1546 .enable_reset_trigger = optc1_enable_reset_trigger, 1547 .enable_crtc_reset = optc1_enable_crtc_reset, 1548 .disable_reset_trigger = optc1_disable_reset_trigger, 1549 .lock = optc1_lock, 1550 .unlock = optc1_unlock, 1551 .enable_optc_clock = optc1_enable_optc_clock, 1552 .set_drr = optc1_set_drr, 1553 .get_last_used_drr_vtotal = NULL, 1554 .set_vtotal_min_max = optc1_set_vtotal_min_max, 1555 .set_static_screen_control = optc1_set_static_screen_control, 1556 .set_test_pattern = optc1_set_test_pattern, 1557 .program_stereo = optc1_program_stereo, 1558 .is_stereo_left_eye = optc1_is_stereo_left_eye, 1559 .set_blank_data_double_buffer = optc1_set_blank_data_double_buffer, 1560 .tg_init = optc1_tg_init, 1561 .is_tg_enabled = optc1_is_tg_enabled, 1562 .is_optc_underflow_occurred = optc1_is_optc_underflow_occurred, 1563 .clear_optc_underflow = optc1_clear_optc_underflow, 1564 .get_crc = optc1_get_crc, 1565 .configure_crc = optc1_configure_crc, 1566 .set_vtg_params = optc1_set_vtg_params, 1567 .program_manual_trigger = optc1_program_manual_trigger, 1568 .setup_manual_trigger = optc1_setup_manual_trigger, 1569 .get_hw_timing = optc1_get_hw_timing, 1570 }; 1571 1572 void dcn10_timing_generator_init(struct optc *optc1) 1573 { 1574 optc1->base.funcs = &dcn10_tg_funcs; 1575 1576 optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1; 1577 optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1; 1578 1579 optc1->min_h_blank = 32; 1580 optc1->min_v_blank = 3; 1581 optc1->min_v_blank_interlace = 5; 1582 optc1->min_h_sync_width = 4; 1583 optc1->min_v_sync_width = 1; 1584 } 1585 1586 /* "Containter" vs. "pixel" is a concept within HW blocks, mostly those closer to the back-end. It works like this: 1587 * 1588 * - In most of the formats (RGB or YCbCr 4:4:4, 4:2:2 uncompressed and DSC 4:2:2 Simple) pixel rate is the same as 1589 * containter rate. 1590 * 1591 * - In 4:2:0 (DSC or uncompressed) there are two pixels per container, hence the target container rate has to be 1592 * halved to maintain the correct pixel rate. 1593 * 1594 * - Unlike 4:2:2 uncompressed, DSC 4:2:2 Native also has two pixels per container (this happens when DSC is applied 1595 * to it) and has to be treated the same as 4:2:0, i.e. target containter rate has to be halved in this case as well. 1596 * 1597 */ 1598 bool optc1_is_two_pixels_per_containter(const struct dc_crtc_timing *timing) 1599 { 1600 bool two_pix = timing->pixel_encoding == PIXEL_ENCODING_YCBCR420; 1601 1602 two_pix = two_pix || (timing->flags.DSC && timing->pixel_encoding == PIXEL_ENCODING_YCBCR422 1603 && !timing->dsc_cfg.ycbcr422_simple); 1604 return two_pix; 1605 } 1606 1607