drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c

   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 #include "reg_helper.h"
  27
  28 #include "core_types.h"
  29 #include "link_encoder.h"
  30 #include "dce_link_encoder.h"
  31 #include "stream_encoder.h"
  32 #include "dc_bios_types.h"
  33
  34 #include "gpio_service_interface.h"
  35
  36 #include "dce/dce_11_0_d.h"
  37 #include "dce/dce_11_0_sh_mask.h"
  38 #include "dce/dce_11_0_enum.h"
  39
  40 #ifndef DMU_MEM_PWR_CNTL__DMCU_IRAM_MEM_PWR_STATE__SHIFT
  41 #define DMU_MEM_PWR_CNTL__DMCU_IRAM_MEM_PWR_STATE__SHIFT 0xa
  42 #endif
  43
  44 #ifndef DMU_MEM_PWR_CNTL__DMCU_IRAM_MEM_PWR_STATE_MASK
  45 #define DMU_MEM_PWR_CNTL__DMCU_IRAM_MEM_PWR_STATE_MASK 0x00000400L
  46 #endif
  47
  48 #ifndef HPD0_DC_HPD_CONTROL__DC_HPD_EN_MASK
  49 #define HPD0_DC_HPD_CONTROL__DC_HPD_EN_MASK  0x10000000L
  50 #endif
  51
  52 #ifndef HPD0_DC_HPD_CONTROL__DC_HPD_EN__SHIFT
  53 #define HPD0_DC_HPD_CONTROL__DC_HPD_EN__SHIFT  0x1c
  54 #endif
  55
  56 #define CTX \
  57         enc110->base.ctx
  58 #define DC_LOGGER \
  59         enc110->base.ctx->logger
  60
  61 #define REG(reg)\
  62         (enc110->link_regs->reg)
  63
  64 #define AUX_REG(reg)\
  65         (enc110->aux_regs->reg)
  66
  67 #define HPD_REG(reg)\
  68         (enc110->hpd_regs->reg)
  69
  70 #define DEFAULT_AUX_MAX_DATA_SIZE 16
  71 #define AUX_MAX_DEFER_WRITE_RETRY 20
  72 /*
  73  * @brief
  74  * Trigger Source Select
  75  * ASIC-dependent, actual values for register programming
  76  */
  77 #define DCE110_DIG_FE_SOURCE_SELECT_INVALID 0x0
  78 #define DCE110_DIG_FE_SOURCE_SELECT_DIGA 0x1
  79 #define DCE110_DIG_FE_SOURCE_SELECT_DIGB 0x2
  80 #define DCE110_DIG_FE_SOURCE_SELECT_DIGC 0x4
  81 #define DCE110_DIG_FE_SOURCE_SELECT_DIGD 0x08
  82 #define DCE110_DIG_FE_SOURCE_SELECT_DIGE 0x10
  83 #define DCE110_DIG_FE_SOURCE_SELECT_DIGF 0x20
  84 #define DCE110_DIG_FE_SOURCE_SELECT_DIGG 0x40
  85
  86 enum {
  87         DP_MST_UPDATE_MAX_RETRY = 50
  88 };
  89
  90 #define DIG_REG(reg)\
  91         (reg + enc110->offsets.dig)
  92
  93 #define DP_REG(reg)\
  94         (reg + enc110->offsets.dp)
  95
  96 static const struct link_encoder_funcs dce110_lnk_enc_funcs = {
  97         .validate_output_with_stream =
  98                 dce110_link_encoder_validate_output_with_stream,
  99         .hw_init = dce110_link_encoder_hw_init,
 100         .setup = dce110_link_encoder_setup,
 101         .enable_tmds_output = dce110_link_encoder_enable_tmds_output,
 102         .enable_dp_output = dce110_link_encoder_enable_dp_output,
 103         .enable_dp_mst_output = dce110_link_encoder_enable_dp_mst_output,
 104         .enable_lvds_output = dce110_link_encoder_enable_lvds_output,
 105         .disable_output = dce110_link_encoder_disable_output,
 106         .dp_set_lane_settings = dce110_link_encoder_dp_set_lane_settings,
 107         .dp_set_phy_pattern = dce110_link_encoder_dp_set_phy_pattern,
 108         .update_mst_stream_allocation_table =
 109                 dce110_link_encoder_update_mst_stream_allocation_table,
 110         .psr_program_dp_dphy_fast_training =
 111                         dce110_psr_program_dp_dphy_fast_training,
 112         .psr_program_secondary_packet = dce110_psr_program_secondary_packet,
 113         .connect_dig_be_to_fe = dce110_link_encoder_connect_dig_be_to_fe,
 114         .enable_hpd = dce110_link_encoder_enable_hpd,
 115         .disable_hpd = dce110_link_encoder_disable_hpd,
 116         .is_dig_enabled = dce110_is_dig_enabled,
 117         .destroy = dce110_link_encoder_destroy,
 118         .get_max_link_cap = dce110_link_encoder_get_max_link_cap,
 119         .get_dig_frontend = dce110_get_dig_frontend,
 120 };
 121
 122 static enum bp_result link_transmitter_control(
 123         struct dce110_link_encoder *enc110,
 124         struct bp_transmitter_control *cntl)
 125 {
 126         enum bp_result result;
 127         struct dc_bios *bp = enc110->base.ctx->dc_bios;
 128
 129         result = bp->funcs->transmitter_control(bp, cntl);
 130
 131         return result;
 132 }
 133
 134 static void enable_phy_bypass_mode(
 135         struct dce110_link_encoder *enc110,
 136         bool enable)
 137 {
 138         /* This register resides in DP back end block;
 139          * transmitter is used for the offset */
 140
 141         REG_UPDATE(DP_DPHY_CNTL, DPHY_BYPASS, enable);
 142
 143 }
 144
 145 static void disable_prbs_symbols(
 146         struct dce110_link_encoder *enc110,
 147         bool disable)
 148 {
 149         /* This register resides in DP back end block;
 150          * transmitter is used for the offset */
 151
 152         REG_UPDATE_4(DP_DPHY_CNTL,
 153                         DPHY_ATEST_SEL_LANE0, disable,
 154                         DPHY_ATEST_SEL_LANE1, disable,
 155                         DPHY_ATEST_SEL_LANE2, disable,
 156                         DPHY_ATEST_SEL_LANE3, disable);
 157 }
 158
 159 static void disable_prbs_mode(
 160         struct dce110_link_encoder *enc110)
 161 {
 162         REG_UPDATE(DP_DPHY_PRBS_CNTL, DPHY_PRBS_EN, 0);
 163 }
 164
 165 static void program_pattern_symbols(
 166         struct dce110_link_encoder *enc110,
 167         uint16_t pattern_symbols[8])
 168 {
 169         /* This register resides in DP back end block;
 170          * transmitter is used for the offset */
 171
 172         REG_SET_3(DP_DPHY_SYM0, 0,
 173                         DPHY_SYM1, pattern_symbols[0],
 174                         DPHY_SYM2, pattern_symbols[1],
 175                         DPHY_SYM3, pattern_symbols[2]);
 176
 177         /* This register resides in DP back end block;
 178          * transmitter is used for the offset */
 179
 180         REG_SET_3(DP_DPHY_SYM1, 0,
 181                         DPHY_SYM4, pattern_symbols[3],
 182                         DPHY_SYM5, pattern_symbols[4],
 183                         DPHY_SYM6, pattern_symbols[5]);
 184
 185         /* This register resides in DP back end block;
 186          * transmitter is used for the offset */
 187
 188         REG_SET_2(DP_DPHY_SYM2, 0,
 189                         DPHY_SYM7, pattern_symbols[6],
 190                         DPHY_SYM8, pattern_symbols[7]);
 191 }
 192
 193 static void set_dp_phy_pattern_d102(
 194         struct dce110_link_encoder *enc110)
 195 {
 196         /* Disable PHY Bypass mode to setup the test pattern */
 197         enable_phy_bypass_mode(enc110, false);
 198
 199         /* For 10-bit PRBS or debug symbols
 200          * please use the following sequence: */
 201
 202         /* Enable debug symbols on the lanes */
 203
 204         disable_prbs_symbols(enc110, true);
 205
 206         /* Disable PRBS mode */
 207         disable_prbs_mode(enc110);
 208
 209         /* Program debug symbols to be output */
 210         {
 211                 uint16_t pattern_symbols[8] = {
 212                         0x2AA, 0x2AA, 0x2AA, 0x2AA,
 213                         0x2AA, 0x2AA, 0x2AA, 0x2AA
 214                 };
 215
 216                 program_pattern_symbols(enc110, pattern_symbols);
 217         }
 218
 219         /* Enable phy bypass mode to enable the test pattern */
 220
 221         enable_phy_bypass_mode(enc110, true);
 222 }
 223
 224 static void set_link_training_complete(
 225         struct dce110_link_encoder *enc110,
 226         bool complete)
 227 {
 228         /* This register resides in DP back end block;
 229          * transmitter is used for the offset */
 230
 231         REG_UPDATE(DP_LINK_CNTL, DP_LINK_TRAINING_COMPLETE, complete);
 232
 233 }
 234
 235 unsigned int dce110_get_dig_frontend(struct link_encoder *enc)
 236 {
 237         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
 238         u32 value;
 239         enum engine_id result;
 240
 241         REG_GET(DIG_BE_CNTL, DIG_FE_SOURCE_SELECT, &value);
 242
 243         switch (value) {
 244         case DCE110_DIG_FE_SOURCE_SELECT_DIGA:
 245                 result = ENGINE_ID_DIGA;
 246                 break;
 247         case DCE110_DIG_FE_SOURCE_SELECT_DIGB:
 248                 result = ENGINE_ID_DIGB;
 249                 break;
 250         case DCE110_DIG_FE_SOURCE_SELECT_DIGC:
 251                 result = ENGINE_ID_DIGC;
 252                 break;
 253         case DCE110_DIG_FE_SOURCE_SELECT_DIGD:
 254                 result = ENGINE_ID_DIGD;
 255                 break;
 256         case DCE110_DIG_FE_SOURCE_SELECT_DIGE:
 257                 result = ENGINE_ID_DIGE;
 258                 break;
 259         case DCE110_DIG_FE_SOURCE_SELECT_DIGF:
 260                 result = ENGINE_ID_DIGF;
 261                 break;
 262         case DCE110_DIG_FE_SOURCE_SELECT_DIGG:
 263                 result = ENGINE_ID_DIGG;
 264                 break;
 265         default:
 266                 // invalid source select DIG
 267                 result = ENGINE_ID_UNKNOWN;
 268         }
 269
 270         return result;
 271 }
 272
 273 void dce110_link_encoder_set_dp_phy_pattern_training_pattern(
 274         struct link_encoder *enc,
 275         uint32_t index)
 276 {
 277         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
 278         /* Write Training Pattern */
 279
 280         REG_WRITE(DP_DPHY_TRAINING_PATTERN_SEL, index);
 281
 282         /* Set HW Register Training Complete to false */
 283
 284         set_link_training_complete(enc110, false);
 285
 286         /* Disable PHY Bypass mode to output Training Pattern */
 287
 288         enable_phy_bypass_mode(enc110, false);
 289
 290         /* Disable PRBS mode */
 291         disable_prbs_mode(enc110);
 292 }
 293
 294 static void setup_panel_mode(
 295         struct dce110_link_encoder *enc110,
 296         enum dp_panel_mode panel_mode)
 297 {
 298         uint32_t value;
 299         struct dc_context *ctx = enc110->base.ctx;
 300
 301         /* if psp set panel mode, dal should be program it */
 302         if (ctx->dc->caps.psp_setup_panel_mode)
 303                 return;
 304
 305         ASSERT(REG(DP_DPHY_INTERNAL_CTRL));
 306         value = REG_READ(DP_DPHY_INTERNAL_CTRL);
 307
 308         switch (panel_mode) {
 309         case DP_PANEL_MODE_EDP:
 310                 value = 0x1;
 311                 break;
 312         case DP_PANEL_MODE_SPECIAL:
 313                 value = 0x11;
 314                 break;
 315         default:
 316                 value = 0x0;
 317                 break;
 318         }
 319
 320         REG_WRITE(DP_DPHY_INTERNAL_CTRL, value);
 321 }
 322
 323 static void set_dp_phy_pattern_symbol_error(
 324         struct dce110_link_encoder *enc110)
 325 {
 326         /* Disable PHY Bypass mode to setup the test pattern */
 327         enable_phy_bypass_mode(enc110, false);
 328
 329         /* program correct panel mode*/
 330         setup_panel_mode(enc110, DP_PANEL_MODE_DEFAULT);
 331
 332         /* A PRBS23 pattern is used for most DP electrical measurements. */
 333
 334         /* Enable PRBS symbols on the lanes */
 335         disable_prbs_symbols(enc110, false);
 336
 337         /* For PRBS23 Set bit DPHY_PRBS_SEL=1 and Set bit DPHY_PRBS_EN=1 */
 338         REG_UPDATE_2(DP_DPHY_PRBS_CNTL,
 339                         DPHY_PRBS_SEL, 1,
 340                         DPHY_PRBS_EN, 1);
 341
 342         /* Enable phy bypass mode to enable the test pattern */
 343         enable_phy_bypass_mode(enc110, true);
 344 }
 345
 346 static void set_dp_phy_pattern_prbs7(
 347         struct dce110_link_encoder *enc110)
 348 {
 349         /* Disable PHY Bypass mode to setup the test pattern */
 350         enable_phy_bypass_mode(enc110, false);
 351
 352         /* A PRBS7 pattern is used for most DP electrical measurements. */
 353
 354         /* Enable PRBS symbols on the lanes */
 355         disable_prbs_symbols(enc110, false);
 356
 357         /* For PRBS7 Set bit DPHY_PRBS_SEL=0 and Set bit DPHY_PRBS_EN=1 */
 358         REG_UPDATE_2(DP_DPHY_PRBS_CNTL,
 359                         DPHY_PRBS_SEL, 0,
 360                         DPHY_PRBS_EN, 1);
 361
 362         /* Enable phy bypass mode to enable the test pattern */
 363         enable_phy_bypass_mode(enc110, true);
 364 }
 365
 366 static void set_dp_phy_pattern_80bit_custom(
 367         struct dce110_link_encoder *enc110,
 368         const uint8_t *pattern)
 369 {
 370         /* Disable PHY Bypass mode to setup the test pattern */
 371         enable_phy_bypass_mode(enc110, false);
 372
 373         /* Enable debug symbols on the lanes */
 374
 375         disable_prbs_symbols(enc110, true);
 376
 377         /* Enable PHY bypass mode to enable the test pattern */
 378         /* TODO is it really needed ? */
 379
 380         enable_phy_bypass_mode(enc110, true);
 381
 382         /* Program 80 bit custom pattern */
 383         {
 384                 uint16_t pattern_symbols[8];
 385
 386                 pattern_symbols[0] =
 387                         ((pattern[1] & 0x03) << 8) | pattern[0];
 388                 pattern_symbols[1] =
 389                         ((pattern[2] & 0x0f) << 6) | ((pattern[1] >> 2) & 0x3f);
 390                 pattern_symbols[2] =
 391                         ((pattern[3] & 0x3f) << 4) | ((pattern[2] >> 4) & 0x0f);
 392                 pattern_symbols[3] =
 393                         (pattern[4] << 2) | ((pattern[3] >> 6) & 0x03);
 394                 pattern_symbols[4] =
 395                         ((pattern[6] & 0x03) << 8) | pattern[5];
 396                 pattern_symbols[5] =
 397                         ((pattern[7] & 0x0f) << 6) | ((pattern[6] >> 2) & 0x3f);
 398                 pattern_symbols[6] =
 399                         ((pattern[8] & 0x3f) << 4) | ((pattern[7] >> 4) & 0x0f);
 400                 pattern_symbols[7] =
 401                         (pattern[9] << 2) | ((pattern[8] >> 6) & 0x03);
 402
 403                 program_pattern_symbols(enc110, pattern_symbols);
 404         }
 405
 406         /* Enable phy bypass mode to enable the test pattern */
 407
 408         enable_phy_bypass_mode(enc110, true);
 409 }
 410
 411 static void set_dp_phy_pattern_hbr2_compliance_cp2520_2(
 412         struct dce110_link_encoder *enc110,
 413         unsigned int cp2520_pattern)
 414 {
 415
 416         /* previously there is a register DP_HBR2_EYE_PATTERN
 417          * that is enabled to get the pattern.
 418          * But it does not work with the latest spec change,
 419          * so we are programming the following registers manually.
 420          *
 421          * The following settings have been confirmed
 422          * by Nick Chorney and Sandra Liu */
 423
 424         /* Disable PHY Bypass mode to setup the test pattern */
 425
 426         enable_phy_bypass_mode(enc110, false);
 427
 428         /* Setup DIG encoder in DP SST mode */
 429         enc110->base.funcs->setup(&enc110->base, SIGNAL_TYPE_DISPLAY_PORT);
 430
 431         /* ensure normal panel mode. */
 432         setup_panel_mode(enc110, DP_PANEL_MODE_DEFAULT);
 433
 434         /* no vbid after BS (SR)
 435          * DP_LINK_FRAMING_CNTL changed history Sandra Liu
 436          * 11000260 / 11000104 / 110000FC */
 437         REG_UPDATE_3(DP_LINK_FRAMING_CNTL,
 438                         DP_IDLE_BS_INTERVAL, 0xFC,
 439                         DP_VBID_DISABLE, 1,
 440                         DP_VID_ENHANCED_FRAME_MODE, 1);
 441
 442         /* swap every BS with SR */
 443         REG_UPDATE(DP_DPHY_SCRAM_CNTL, DPHY_SCRAMBLER_BS_COUNT, 0);
 444
 445         /* select cp2520 patterns */
 446         if (REG(DP_DPHY_HBR2_PATTERN_CONTROL))
 447                 REG_UPDATE(DP_DPHY_HBR2_PATTERN_CONTROL,
 448                                 DP_DPHY_HBR2_PATTERN_CONTROL, cp2520_pattern);
 449         else
 450                 /* pre-DCE11 can only generate CP2520 pattern 2 */
 451                 ASSERT(cp2520_pattern == 2);
 452
 453         /* set link training complete */
 454         set_link_training_complete(enc110, true);
 455
 456         /* disable video stream */
 457         REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, 0);
 458
 459         /* Disable PHY Bypass mode to setup the test pattern */
 460         enable_phy_bypass_mode(enc110, false);
 461 }
 462
 463 #if defined(CONFIG_DRM_AMD_DC_SI)
 464 static void dce60_set_dp_phy_pattern_hbr2_compliance_cp2520_2(
 465         struct dce110_link_encoder *enc110,
 466         unsigned int cp2520_pattern)
 467 {
 468
 469         /* previously there is a register DP_HBR2_EYE_PATTERN
 470          * that is enabled to get the pattern.
 471          * But it does not work with the latest spec change,
 472          * so we are programming the following registers manually.
 473          *
 474          * The following settings have been confirmed
 475          * by Nick Chorney and Sandra Liu */
 476
 477         /* Disable PHY Bypass mode to setup the test pattern */
 478
 479         enable_phy_bypass_mode(enc110, false);
 480
 481         /* Setup DIG encoder in DP SST mode */
 482         enc110->base.funcs->setup(&enc110->base, SIGNAL_TYPE_DISPLAY_PORT);
 483
 484         /* ensure normal panel mode. */
 485         setup_panel_mode(enc110, DP_PANEL_MODE_DEFAULT);
 486
 487         /* no vbid after BS (SR)
 488          * DP_LINK_FRAMING_CNTL changed history Sandra Liu
 489          * 11000260 / 11000104 / 110000FC */
 490         REG_UPDATE_3(DP_LINK_FRAMING_CNTL,
 491                         DP_IDLE_BS_INTERVAL, 0xFC,
 492                         DP_VBID_DISABLE, 1,
 493                         DP_VID_ENHANCED_FRAME_MODE, 1);
 494
 495         /* DCE6 has no DP_DPHY_SCRAM_CNTL register, skip swap BS with SR */
 496
 497         /* select cp2520 patterns */
 498         if (REG(DP_DPHY_HBR2_PATTERN_CONTROL))
 499                 REG_UPDATE(DP_DPHY_HBR2_PATTERN_CONTROL,
 500                                 DP_DPHY_HBR2_PATTERN_CONTROL, cp2520_pattern);
 501         else
 502                 /* pre-DCE11 can only generate CP2520 pattern 2 */
 503                 ASSERT(cp2520_pattern == 2);
 504
 505         /* set link training complete */
 506         set_link_training_complete(enc110, true);
 507
 508         /* disable video stream */
 509         REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, 0);
 510
 511         /* Disable PHY Bypass mode to setup the test pattern */
 512         enable_phy_bypass_mode(enc110, false);
 513 }
 514 #endif
 515
 516 static void set_dp_phy_pattern_passthrough_mode(
 517         struct dce110_link_encoder *enc110,
 518         enum dp_panel_mode panel_mode)
 519 {
 520         /* program correct panel mode */
 521         setup_panel_mode(enc110, panel_mode);
 522
 523         /* restore LINK_FRAMING_CNTL and DPHY_SCRAMBLER_BS_COUNT
 524          * in case we were doing HBR2 compliance pattern before
 525          */
 526         REG_UPDATE_3(DP_LINK_FRAMING_CNTL,
 527                         DP_IDLE_BS_INTERVAL, 0x2000,
 528                         DP_VBID_DISABLE, 0,
 529                         DP_VID_ENHANCED_FRAME_MODE, 1);
 530
 531         REG_UPDATE(DP_DPHY_SCRAM_CNTL, DPHY_SCRAMBLER_BS_COUNT, 0x1FF);
 532
 533         /* set link training complete */
 534         set_link_training_complete(enc110, true);
 535
 536         /* Disable PHY Bypass mode to setup the test pattern */
 537         enable_phy_bypass_mode(enc110, false);
 538
 539         /* Disable PRBS mode */
 540         disable_prbs_mode(enc110);
 541 }
 542
 543 #if defined(CONFIG_DRM_AMD_DC_SI)
 544 static void dce60_set_dp_phy_pattern_passthrough_mode(
 545         struct dce110_link_encoder *enc110,
 546         enum dp_panel_mode panel_mode)
 547 {
 548         /* program correct panel mode */
 549         setup_panel_mode(enc110, panel_mode);
 550
 551         /* restore LINK_FRAMING_CNTL
 552          * in case we were doing HBR2 compliance pattern before
 553          */
 554         REG_UPDATE_3(DP_LINK_FRAMING_CNTL,
 555                         DP_IDLE_BS_INTERVAL, 0x2000,
 556                         DP_VBID_DISABLE, 0,
 557                         DP_VID_ENHANCED_FRAME_MODE, 1);
 558
 559         /* DCE6 has no DP_DPHY_SCRAM_CNTL register, skip DPHY_SCRAMBLER_BS_COUNT restore */
 560
 561         /* set link training complete */
 562         set_link_training_complete(enc110, true);
 563
 564         /* Disable PHY Bypass mode to setup the test pattern */
 565         enable_phy_bypass_mode(enc110, false);
 566
 567         /* Disable PRBS mode */
 568         disable_prbs_mode(enc110);
 569 }
 570 #endif
 571
 572 /* return value is bit-vector */
 573 static uint8_t get_frontend_source(
 574         enum engine_id engine)
 575 {
 576         switch (engine) {
 577         case ENGINE_ID_DIGA:
 578                 return DCE110_DIG_FE_SOURCE_SELECT_DIGA;
 579         case ENGINE_ID_DIGB:
 580                 return DCE110_DIG_FE_SOURCE_SELECT_DIGB;
 581         case ENGINE_ID_DIGC:
 582                 return DCE110_DIG_FE_SOURCE_SELECT_DIGC;
 583         case ENGINE_ID_DIGD:
 584                 return DCE110_DIG_FE_SOURCE_SELECT_DIGD;
 585         case ENGINE_ID_DIGE:
 586                 return DCE110_DIG_FE_SOURCE_SELECT_DIGE;
 587         case ENGINE_ID_DIGF:
 588                 return DCE110_DIG_FE_SOURCE_SELECT_DIGF;
 589         case ENGINE_ID_DIGG:
 590                 return DCE110_DIG_FE_SOURCE_SELECT_DIGG;
 591         default:
 592                 ASSERT_CRITICAL(false);
 593                 return DCE110_DIG_FE_SOURCE_SELECT_INVALID;
 594         }
 595 }
 596
 597 static void configure_encoder(
 598         struct dce110_link_encoder *enc110,
 599         const struct dc_link_settings *link_settings)
 600 {
 601         /* set number of lanes */
 602
 603         REG_SET(DP_CONFIG, 0,
 604                         DP_UDI_LANES, link_settings->lane_count - LANE_COUNT_ONE);
 605
 606         /* setup scrambler */
 607         REG_UPDATE(DP_DPHY_SCRAM_CNTL, DPHY_SCRAMBLER_ADVANCE, 1);
 608 }
 609
 610 #if defined(CONFIG_DRM_AMD_DC_SI)
 611 static void dce60_configure_encoder(
 612         struct dce110_link_encoder *enc110,
 613         const struct dc_link_settings *link_settings)
 614 {
 615         /* set number of lanes */
 616
 617         REG_SET(DP_CONFIG, 0,
 618                         DP_UDI_LANES, link_settings->lane_count - LANE_COUNT_ONE);
 619
 620         /* DCE6 has no DP_DPHY_SCRAM_CNTL register, skip setup scrambler */
 621 }
 622 #endif
 623
 624 static void aux_initialize(
 625         struct dce110_link_encoder *enc110)
 626 {
 627         struct dc_context *ctx = enc110->base.ctx;
 628         enum hpd_source_id hpd_source = enc110->base.hpd_source;
 629         uint32_t addr = AUX_REG(AUX_CONTROL);
 630         uint32_t value = dm_read_reg(ctx, addr);
 631
 632         set_reg_field_value(value, hpd_source, AUX_CONTROL, AUX_HPD_SEL);
 633         set_reg_field_value(value, 0, AUX_CONTROL, AUX_LS_READ_EN);
 634         dm_write_reg(ctx, addr, value);
 635
 636         addr = AUX_REG(AUX_DPHY_RX_CONTROL0);
 637         value = dm_read_reg(ctx, addr);
 638
 639         /* 1/4 window (the maximum allowed) */
 640         set_reg_field_value(value, 1,
 641                         AUX_DPHY_RX_CONTROL0, AUX_RX_RECEIVE_WINDOW);
 642         dm_write_reg(ctx, addr, value);
 643
 644 }
 645
 646 void dce110_psr_program_dp_dphy_fast_training(struct link_encoder *enc,
 647                         bool exit_link_training_required)
 648 {
 649         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
 650
 651         if (exit_link_training_required)
 652                 REG_UPDATE(DP_DPHY_FAST_TRAINING,
 653                                 DPHY_RX_FAST_TRAINING_CAPABLE, 1);
 654         else {
 655                 REG_UPDATE(DP_DPHY_FAST_TRAINING,
 656                                 DPHY_RX_FAST_TRAINING_CAPABLE, 0);
 657                 /*In DCE 11, we are able to pre-program a Force SR register
 658                  * to be able to trigger SR symbol after 5 idle patterns
 659                  * transmitted. Upon PSR Exit, DMCU can trigger
 660                  * DPHY_LOAD_BS_COUNT_START = 1. Upon writing 1 to
 661                  * DPHY_LOAD_BS_COUNT_START and the internal counter
 662                  * reaches DPHY_LOAD_BS_COUNT, the next BS symbol will be
 663                  * replaced by SR symbol once.
 664                  */
 665
 666                 REG_UPDATE(DP_DPHY_BS_SR_SWAP_CNTL, DPHY_LOAD_BS_COUNT, 0x5);
 667         }
 668 }
 669
 670 void dce110_psr_program_secondary_packet(struct link_encoder *enc,
 671                         unsigned int sdp_transmit_line_num_deadline)
 672 {
 673         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
 674
 675         REG_UPDATE_2(DP_SEC_CNTL1,
 676                 DP_SEC_GSP0_LINE_NUM, sdp_transmit_line_num_deadline,
 677                 DP_SEC_GSP0_PRIORITY, 1);
 678 }
 679
 680 bool dce110_is_dig_enabled(struct link_encoder *enc)
 681 {
 682         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
 683         uint32_t value;
 684
 685         REG_GET(DIG_BE_EN_CNTL, DIG_ENABLE, &value);
 686         return value;
 687 }
 688
 689 static void link_encoder_disable(struct dce110_link_encoder *enc110)
 690 {
 691         /* reset training pattern */
 692         REG_SET(DP_DPHY_TRAINING_PATTERN_SEL, 0,
 693                         DPHY_TRAINING_PATTERN_SEL, 0);
 694
 695         /* reset training complete */
 696         REG_UPDATE(DP_LINK_CNTL, DP_LINK_TRAINING_COMPLETE, 0);
 697
 698         /* reset panel mode */
 699         setup_panel_mode(enc110, DP_PANEL_MODE_DEFAULT);
 700 }
 701
 702 static void hpd_initialize(
 703         struct dce110_link_encoder *enc110)
 704 {
 705         /* Associate HPD with DIG_BE */
 706         enum hpd_source_id hpd_source = enc110->base.hpd_source;
 707
 708         REG_UPDATE(DIG_BE_CNTL, DIG_HPD_SELECT, hpd_source);
 709 }
 710
 711 bool dce110_link_encoder_validate_dvi_output(
 712         const struct dce110_link_encoder *enc110,
 713         enum signal_type connector_signal,
 714         enum signal_type signal,
 715         const struct dc_crtc_timing *crtc_timing)
 716 {
 717         uint32_t max_pixel_clock = TMDS_MAX_PIXEL_CLOCK;
 718
 719         if (signal == SIGNAL_TYPE_DVI_DUAL_LINK)
 720                 max_pixel_clock *= 2;
 721
 722         /* This handles the case of HDMI downgrade to DVI we don't want to
 723          * we don't want to cap the pixel clock if the DDI is not DVI.
 724          */
 725         if (connector_signal != SIGNAL_TYPE_DVI_DUAL_LINK &&
 726                         connector_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
 727                 max_pixel_clock = enc110->base.features.max_hdmi_pixel_clock;
 728
 729         /* DVI only support RGB pixel encoding */
 730         if (crtc_timing->pixel_encoding != PIXEL_ENCODING_RGB)
 731                 return false;
 732
 733         /*connect DVI via adpater's HDMI connector*/
 734         if ((connector_signal == SIGNAL_TYPE_DVI_SINGLE_LINK ||
 735                 connector_signal == SIGNAL_TYPE_HDMI_TYPE_A) &&
 736                 signal != SIGNAL_TYPE_HDMI_TYPE_A &&
 737                 crtc_timing->pix_clk_100hz > (TMDS_MAX_PIXEL_CLOCK * 10))
 738                 return false;
 739         if (crtc_timing->pix_clk_100hz < (TMDS_MIN_PIXEL_CLOCK * 10))
 740                 return false;
 741
 742         if (crtc_timing->pix_clk_100hz > (max_pixel_clock * 10))
 743                 return false;
 744
 745         /* DVI supports 6/8bpp single-link and 10/16bpp dual-link */
 746         switch (crtc_timing->display_color_depth) {
 747         case COLOR_DEPTH_666:
 748         case COLOR_DEPTH_888:
 749         break;
 750         case COLOR_DEPTH_101010:
 751         case COLOR_DEPTH_161616:
 752                 if (signal != SIGNAL_TYPE_DVI_DUAL_LINK)
 753                         return false;
 754         break;
 755         default:
 756                 return false;
 757         }
 758
 759         return true;
 760 }
 761
 762 static bool dce110_link_encoder_validate_hdmi_output(
 763         const struct dce110_link_encoder *enc110,
 764         const struct dc_crtc_timing *crtc_timing,
 765         int adjusted_pix_clk_khz)
 766 {
 767         enum dc_color_depth max_deep_color =
 768                         enc110->base.features.max_hdmi_deep_color;
 769
 770         if (max_deep_color < crtc_timing->display_color_depth)
 771                 return false;
 772
 773         if (crtc_timing->display_color_depth < COLOR_DEPTH_888)
 774                 return false;
 775         if (adjusted_pix_clk_khz < TMDS_MIN_PIXEL_CLOCK)
 776                 return false;
 777
 778         if ((adjusted_pix_clk_khz == 0) ||
 779                 (adjusted_pix_clk_khz > enc110->base.features.max_hdmi_pixel_clock))
 780                 return false;
 781
 782         /* DCE11 HW does not support 420 */
 783         if (!enc110->base.features.hdmi_ycbcr420_supported &&
 784                         crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
 785                 return false;
 786
 787         if ((!enc110->base.features.flags.bits.HDMI_6GB_EN ||
 788                         enc110->base.ctx->dc->debug.hdmi20_disable) &&
 789                         adjusted_pix_clk_khz >= 300000)
 790                 return false;
 791         if (enc110->base.ctx->dc->debug.hdmi20_disable &&
 792                 crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
 793                 return false;
 794         return true;
 795 }
 796
 797 bool dce110_link_encoder_validate_dp_output(
 798         const struct dce110_link_encoder *enc110,
 799         const struct dc_crtc_timing *crtc_timing)
 800 {
 801         if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
 802                 return false;
 803
 804         return true;
 805 }
 806
 807 void dce110_link_encoder_construct(
 808         struct dce110_link_encoder *enc110,
 809         const struct encoder_init_data *init_data,
 810         const struct encoder_feature_support *enc_features,
 811         const struct dce110_link_enc_registers *link_regs,
 812         const struct dce110_link_enc_aux_registers *aux_regs,
 813         const struct dce110_link_enc_hpd_registers *hpd_regs)
 814 {
 815         struct bp_encoder_cap_info bp_cap_info = {0};
 816         const struct dc_vbios_funcs *bp_funcs = init_data->ctx->dc_bios->funcs;
 817         enum bp_result result = BP_RESULT_OK;
 818
 819         enc110->base.funcs = &dce110_lnk_enc_funcs;
 820         enc110->base.ctx = init_data->ctx;
 821         enc110->base.id = init_data->encoder;
 822
 823         enc110->base.hpd_source = init_data->hpd_source;
 824         enc110->base.connector = init_data->connector;
 825
 826         enc110->base.preferred_engine = ENGINE_ID_UNKNOWN;
 827
 828         enc110->base.features = *enc_features;
 829
 830         enc110->base.transmitter = init_data->transmitter;
 831
 832         /* set the flag to indicate whether driver poll the I2C data pin
 833          * while doing the DP sink detect
 834          */
 835
 836 /*      if (dal_adapter_service_is_feature_supported(as,
 837                 FEATURE_DP_SINK_DETECT_POLL_DATA_PIN))
 838                 enc110->base.features.flags.bits.
 839                         DP_SINK_DETECT_POLL_DATA_PIN = true;*/
 840
 841         enc110->base.output_signals =
 842                 SIGNAL_TYPE_DVI_SINGLE_LINK |
 843                 SIGNAL_TYPE_DVI_DUAL_LINK |
 844                 SIGNAL_TYPE_LVDS |
 845                 SIGNAL_TYPE_DISPLAY_PORT |
 846                 SIGNAL_TYPE_DISPLAY_PORT_MST |
 847                 SIGNAL_TYPE_EDP |
 848                 SIGNAL_TYPE_HDMI_TYPE_A;
 849
 850         /* For DCE 8.0 and 8.1, by design, UNIPHY is hardwired to DIG_BE.
 851          * SW always assign DIG_FE 1:1 mapped to DIG_FE for non-MST UNIPHY.
 852          * SW assign DIG_FE to non-MST UNIPHY first and MST last. So prefer
 853          * DIG is per UNIPHY and used by SST DP, eDP, HDMI, DVI and LVDS.
 854          * Prefer DIG assignment is decided by board design.
 855          * For DCE 8.0, there are only max 6 UNIPHYs, we assume board design
 856          * and VBIOS will filter out 7 UNIPHY for DCE 8.0.
 857          * By this, adding DIGG should not hurt DCE 8.0.
 858          * This will let DCE 8.1 share DCE 8.0 as much as possible
 859          */
 860
 861         enc110->link_regs = link_regs;
 862         enc110->aux_regs = aux_regs;
 863         enc110->hpd_regs = hpd_regs;
 864
 865         switch (enc110->base.transmitter) {
 866         case TRANSMITTER_UNIPHY_A:
 867                 enc110->base.preferred_engine = ENGINE_ID_DIGA;
 868         break;
 869         case TRANSMITTER_UNIPHY_B:
 870                 enc110->base.preferred_engine = ENGINE_ID_DIGB;
 871         break;
 872         case TRANSMITTER_UNIPHY_C:
 873                 enc110->base.preferred_engine = ENGINE_ID_DIGC;
 874         break;
 875         case TRANSMITTER_UNIPHY_D:
 876                 enc110->base.preferred_engine = ENGINE_ID_DIGD;
 877         break;
 878         case TRANSMITTER_UNIPHY_E:
 879                 enc110->base.preferred_engine = ENGINE_ID_DIGE;
 880         break;
 881         case TRANSMITTER_UNIPHY_F:
 882                 enc110->base.preferred_engine = ENGINE_ID_DIGF;
 883         break;
 884         case TRANSMITTER_UNIPHY_G:
 885                 enc110->base.preferred_engine = ENGINE_ID_DIGG;
 886         break;
 887         default:
 888                 ASSERT_CRITICAL(false);
 889                 enc110->base.preferred_engine = ENGINE_ID_UNKNOWN;
 890         }
 891
 892         /* default to one to mirror Windows behavior */
 893         enc110->base.features.flags.bits.HDMI_6GB_EN = 1;
 894
 895         result = bp_funcs->get_encoder_cap_info(enc110->base.ctx->dc_bios,
 896                                                 enc110->base.id, &bp_cap_info);
 897
 898         /* Override features with DCE-specific values */
 899         if (BP_RESULT_OK == result) {
 900                 enc110->base.features.flags.bits.IS_HBR2_CAPABLE =
 901                                 bp_cap_info.DP_HBR2_EN;
 902                 enc110->base.features.flags.bits.IS_HBR3_CAPABLE =
 903                                 bp_cap_info.DP_HBR3_EN;
 904                 enc110->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN;
 905         } else {
 906                 DC_LOG_WARNING("%s: Failed to get encoder_cap_info from VBIOS with error code %d!\n",
 907                                 __func__,
 908                                 result);
 909         }
 910         if (enc110->base.ctx->dc->debug.hdmi20_disable) {
 911                 enc110->base.features.flags.bits.HDMI_6GB_EN = 0;
 912         }
 913 }
 914
 915 bool dce110_link_encoder_validate_output_with_stream(
 916         struct link_encoder *enc,
 917         const struct dc_stream_state *stream)
 918 {
 919         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
 920         bool is_valid;
 921
 922         switch (stream->signal) {
 923         case SIGNAL_TYPE_DVI_SINGLE_LINK:
 924         case SIGNAL_TYPE_DVI_DUAL_LINK:
 925                 is_valid = dce110_link_encoder_validate_dvi_output(
 926                         enc110,
 927                         stream->link->connector_signal,
 928                         stream->signal,
 929                         &stream->timing);
 930         break;
 931         case SIGNAL_TYPE_HDMI_TYPE_A:
 932                 is_valid = dce110_link_encoder_validate_hdmi_output(
 933                                 enc110,
 934                                 &stream->timing,
 935                                 stream->phy_pix_clk);
 936         break;
 937         case SIGNAL_TYPE_DISPLAY_PORT:
 938         case SIGNAL_TYPE_DISPLAY_PORT_MST:
 939                 is_valid = dce110_link_encoder_validate_dp_output(
 940                                         enc110, &stream->timing);
 941         break;
 942         case SIGNAL_TYPE_EDP:
 943         case SIGNAL_TYPE_LVDS:
 944                 is_valid = stream->timing.pixel_encoding == PIXEL_ENCODING_RGB;
 945         break;
 946         case SIGNAL_TYPE_VIRTUAL:
 947                 is_valid = true;
 948                 break;
 949         default:
 950                 is_valid = false;
 951         break;
 952         }
 953
 954         return is_valid;
 955 }
 956
 957 void dce110_link_encoder_hw_init(
 958         struct link_encoder *enc)
 959 {
 960         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
 961         struct bp_transmitter_control cntl = { 0 };
 962         enum bp_result result;
 963
 964         cntl.action = TRANSMITTER_CONTROL_INIT;
 965         cntl.engine_id = ENGINE_ID_UNKNOWN;
 966         cntl.transmitter = enc110->base.transmitter;
 967         cntl.connector_obj_id = enc110->base.connector;
 968         cntl.lanes_number = LANE_COUNT_FOUR;
 969         cntl.coherent = false;
 970         cntl.hpd_sel = enc110->base.hpd_source;
 971
 972         if (enc110->base.connector.id == CONNECTOR_ID_EDP)
 973                 cntl.signal = SIGNAL_TYPE_EDP;
 974
 975         result = link_transmitter_control(enc110, &cntl);
 976
 977         if (result != BP_RESULT_OK) {
 978                 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
 979                         __func__);
 980                 BREAK_TO_DEBUGGER();
 981                 return;
 982         }
 983
 984         if (enc110->base.connector.id == CONNECTOR_ID_LVDS) {
 985                 cntl.action = TRANSMITTER_CONTROL_BACKLIGHT_BRIGHTNESS;
 986
 987                 result = link_transmitter_control(enc110, &cntl);
 988
 989                 ASSERT(result == BP_RESULT_OK);
 990
 991         }
 992         aux_initialize(enc110);
 993
 994         /* reinitialize HPD.
 995          * hpd_initialize() will pass DIG_FE id to HW context.
 996          * All other routine within HW context will use fe_engine_offset
 997          * as DIG_FE id even caller pass DIG_FE id.
 998          * So this routine must be called first. */
 999         hpd_initialize(enc110);
1000 }
1001
1002 void dce110_link_encoder_destroy(struct link_encoder **enc)
1003 {
1004         kfree(TO_DCE110_LINK_ENC(*enc));
1005         *enc = NULL;
1006 }
1007
1008 void dce110_link_encoder_setup(
1009         struct link_encoder *enc,
1010         enum signal_type signal)
1011 {
1012         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1013
1014         switch (signal) {
1015         case SIGNAL_TYPE_EDP:
1016         case SIGNAL_TYPE_DISPLAY_PORT:
1017                 /* DP SST */
1018                 REG_UPDATE(DIG_BE_CNTL, DIG_MODE, 0);
1019                 break;
1020         case SIGNAL_TYPE_LVDS:
1021                 /* LVDS */
1022                 REG_UPDATE(DIG_BE_CNTL, DIG_MODE, 1);
1023                 break;
1024         case SIGNAL_TYPE_DVI_SINGLE_LINK:
1025         case SIGNAL_TYPE_DVI_DUAL_LINK:
1026                 /* TMDS-DVI */
1027                 REG_UPDATE(DIG_BE_CNTL, DIG_MODE, 2);
1028                 break;
1029         case SIGNAL_TYPE_HDMI_TYPE_A:
1030                 /* TMDS-HDMI */
1031                 REG_UPDATE(DIG_BE_CNTL, DIG_MODE, 3);
1032                 break;
1033         case SIGNAL_TYPE_DISPLAY_PORT_MST:
1034                 /* DP MST */
1035                 REG_UPDATE(DIG_BE_CNTL, DIG_MODE, 5);
1036                 break;
1037         default:
1038                 ASSERT_CRITICAL(false);
1039                 /* invalid mode ! */
1040                 break;
1041         }
1042
1043 }
1044
1045 /* TODO: still need depth or just pass in adjusted pixel clock? */
1046 void dce110_link_encoder_enable_tmds_output(
1047         struct link_encoder *enc,
1048         enum clock_source_id clock_source,
1049         enum dc_color_depth color_depth,
1050         enum signal_type signal,
1051         uint32_t pixel_clock)
1052 {
1053         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1054         struct bp_transmitter_control cntl = { 0 };
1055         enum bp_result result;
1056
1057         /* Enable the PHY */
1058         cntl.connector_obj_id = enc110->base.connector;
1059         cntl.action = TRANSMITTER_CONTROL_ENABLE;
1060         cntl.engine_id = enc->preferred_engine;
1061         cntl.transmitter = enc110->base.transmitter;
1062         cntl.pll_id = clock_source;
1063         cntl.signal = signal;
1064         if (cntl.signal == SIGNAL_TYPE_DVI_DUAL_LINK)
1065                 cntl.lanes_number = 8;
1066         else
1067                 cntl.lanes_number = 4;
1068
1069         cntl.hpd_sel = enc110->base.hpd_source;
1070
1071         cntl.pixel_clock = pixel_clock;
1072         cntl.color_depth = color_depth;
1073
1074         result = link_transmitter_control(enc110, &cntl);
1075
1076         if (result != BP_RESULT_OK) {
1077                 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1078                         __func__);
1079                 BREAK_TO_DEBUGGER();
1080         }
1081 }
1082
1083 /* TODO: still need depth or just pass in adjusted pixel clock? */
1084 void dce110_link_encoder_enable_lvds_output(
1085         struct link_encoder *enc,
1086         enum clock_source_id clock_source,
1087         uint32_t pixel_clock)
1088 {
1089         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1090         struct bp_transmitter_control cntl = { 0 };
1091         enum bp_result result;
1092
1093         /* Enable the PHY */
1094         cntl.connector_obj_id = enc110->base.connector;
1095         cntl.action = TRANSMITTER_CONTROL_ENABLE;
1096         cntl.engine_id = enc->preferred_engine;
1097         cntl.transmitter = enc110->base.transmitter;
1098         cntl.pll_id = clock_source;
1099         cntl.signal = SIGNAL_TYPE_LVDS;
1100         cntl.lanes_number = 4;
1101
1102         cntl.hpd_sel = enc110->base.hpd_source;
1103
1104         cntl.pixel_clock = pixel_clock;
1105
1106         result = link_transmitter_control(enc110, &cntl);
1107
1108         if (result != BP_RESULT_OK) {
1109                 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1110                         __func__);
1111                 BREAK_TO_DEBUGGER();
1112         }
1113 }
1114
1115 /* enables DP PHY output */
1116 void dce110_link_encoder_enable_dp_output(
1117         struct link_encoder *enc,
1118         const struct dc_link_settings *link_settings,
1119         enum clock_source_id clock_source)
1120 {
1121         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1122         struct bp_transmitter_control cntl = { 0 };
1123         enum bp_result result;
1124
1125         /* Enable the PHY */
1126
1127         /* number_of_lanes is used for pixel clock adjust,
1128          * but it's not passed to asic_control.
1129          * We need to set number of lanes manually.
1130          */
1131         configure_encoder(enc110, link_settings);
1132         cntl.connector_obj_id = enc110->base.connector;
1133         cntl.action = TRANSMITTER_CONTROL_ENABLE;
1134         cntl.engine_id = enc->preferred_engine;
1135         cntl.transmitter = enc110->base.transmitter;
1136         cntl.pll_id = clock_source;
1137         cntl.signal = SIGNAL_TYPE_DISPLAY_PORT;
1138         cntl.lanes_number = link_settings->lane_count;
1139         cntl.hpd_sel = enc110->base.hpd_source;
1140         cntl.pixel_clock = link_settings->link_rate
1141                                                 * LINK_RATE_REF_FREQ_IN_KHZ;
1142         /* TODO: check if undefined works */
1143         cntl.color_depth = COLOR_DEPTH_UNDEFINED;
1144
1145         result = link_transmitter_control(enc110, &cntl);
1146
1147         if (result != BP_RESULT_OK) {
1148                 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1149                         __func__);
1150                 BREAK_TO_DEBUGGER();
1151         }
1152 }
1153
1154 /* enables DP PHY output in MST mode */
1155 void dce110_link_encoder_enable_dp_mst_output(
1156         struct link_encoder *enc,
1157         const struct dc_link_settings *link_settings,
1158         enum clock_source_id clock_source)
1159 {
1160         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1161         struct bp_transmitter_control cntl = { 0 };
1162         enum bp_result result;
1163
1164         /* Enable the PHY */
1165
1166         /* number_of_lanes is used for pixel clock adjust,
1167          * but it's not passed to asic_control.
1168          * We need to set number of lanes manually.
1169          */
1170         configure_encoder(enc110, link_settings);
1171
1172         cntl.action = TRANSMITTER_CONTROL_ENABLE;
1173         cntl.engine_id = ENGINE_ID_UNKNOWN;
1174         cntl.transmitter = enc110->base.transmitter;
1175         cntl.pll_id = clock_source;
1176         cntl.signal = SIGNAL_TYPE_DISPLAY_PORT_MST;
1177         cntl.lanes_number = link_settings->lane_count;
1178         cntl.hpd_sel = enc110->base.hpd_source;
1179         cntl.pixel_clock = link_settings->link_rate
1180                                                 * LINK_RATE_REF_FREQ_IN_KHZ;
1181         /* TODO: check if undefined works */
1182         cntl.color_depth = COLOR_DEPTH_UNDEFINED;
1183
1184         result = link_transmitter_control(enc110, &cntl);
1185
1186         if (result != BP_RESULT_OK) {
1187                 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1188                         __func__);
1189                 BREAK_TO_DEBUGGER();
1190         }
1191 }
1192
1193 #if defined(CONFIG_DRM_AMD_DC_SI)
1194 /* enables DP PHY output */
1195 static void dce60_link_encoder_enable_dp_output(
1196         struct link_encoder *enc,
1197         const struct dc_link_settings *link_settings,
1198         enum clock_source_id clock_source)
1199 {
1200         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1201         struct bp_transmitter_control cntl = { 0 };
1202         enum bp_result result;
1203
1204         /* Enable the PHY */
1205
1206         /* number_of_lanes is used for pixel clock adjust,
1207          * but it's not passed to asic_control.
1208          * We need to set number of lanes manually.
1209          */
1210         dce60_configure_encoder(enc110, link_settings);
1211         cntl.connector_obj_id = enc110->base.connector;
1212         cntl.action = TRANSMITTER_CONTROL_ENABLE;
1213         cntl.engine_id = enc->preferred_engine;
1214         cntl.transmitter = enc110->base.transmitter;
1215         cntl.pll_id = clock_source;
1216         cntl.signal = SIGNAL_TYPE_DISPLAY_PORT;
1217         cntl.lanes_number = link_settings->lane_count;
1218         cntl.hpd_sel = enc110->base.hpd_source;
1219         cntl.pixel_clock = link_settings->link_rate
1220                                                 * LINK_RATE_REF_FREQ_IN_KHZ;
1221         /* TODO: check if undefined works */
1222         cntl.color_depth = COLOR_DEPTH_UNDEFINED;
1223
1224         result = link_transmitter_control(enc110, &cntl);
1225
1226         if (result != BP_RESULT_OK) {
1227                 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1228                         __func__);
1229                 BREAK_TO_DEBUGGER();
1230         }
1231 }
1232
1233 /* enables DP PHY output in MST mode */
1234 static void dce60_link_encoder_enable_dp_mst_output(
1235         struct link_encoder *enc,
1236         const struct dc_link_settings *link_settings,
1237         enum clock_source_id clock_source)
1238 {
1239         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1240         struct bp_transmitter_control cntl = { 0 };
1241         enum bp_result result;
1242
1243         /* Enable the PHY */
1244
1245         /* number_of_lanes is used for pixel clock adjust,
1246          * but it's not passed to asic_control.
1247          * We need to set number of lanes manually.
1248          */
1249         dce60_configure_encoder(enc110, link_settings);
1250
1251         cntl.action = TRANSMITTER_CONTROL_ENABLE;
1252         cntl.engine_id = ENGINE_ID_UNKNOWN;
1253         cntl.transmitter = enc110->base.transmitter;
1254         cntl.pll_id = clock_source;
1255         cntl.signal = SIGNAL_TYPE_DISPLAY_PORT_MST;
1256         cntl.lanes_number = link_settings->lane_count;
1257         cntl.hpd_sel = enc110->base.hpd_source;
1258         cntl.pixel_clock = link_settings->link_rate
1259                                                 * LINK_RATE_REF_FREQ_IN_KHZ;
1260         /* TODO: check if undefined works */
1261         cntl.color_depth = COLOR_DEPTH_UNDEFINED;
1262
1263         result = link_transmitter_control(enc110, &cntl);
1264
1265         if (result != BP_RESULT_OK) {
1266                 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1267                         __func__);
1268                 BREAK_TO_DEBUGGER();
1269         }
1270 }
1271 #endif
1272
1273 /*
1274  * @brief
1275  * Disable transmitter and its encoder
1276  */
1277 void dce110_link_encoder_disable_output(
1278         struct link_encoder *enc,
1279         enum signal_type signal)
1280 {
1281         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1282         struct bp_transmitter_control cntl = { 0 };
1283         enum bp_result result;
1284
1285         if (!dce110_is_dig_enabled(enc)) {
1286                 /* OF_SKIP_POWER_DOWN_INACTIVE_ENCODER */
1287                 return;
1288         }
1289         /* Power-down RX and disable GPU PHY should be paired.
1290          * Disabling PHY without powering down RX may cause
1291          * symbol lock loss, on which we will get DP Sink interrupt. */
1292
1293         /* There is a case for the DP active dongles
1294          * where we want to disable the PHY but keep RX powered,
1295          * for those we need to ignore DP Sink interrupt
1296          * by checking lane count that has been set
1297          * on the last do_enable_output(). */
1298
1299         /* disable transmitter */
1300         cntl.action = TRANSMITTER_CONTROL_DISABLE;
1301         cntl.transmitter = enc110->base.transmitter;
1302         cntl.hpd_sel = enc110->base.hpd_source;
1303         cntl.signal = signal;
1304         cntl.connector_obj_id = enc110->base.connector;
1305
1306         result = link_transmitter_control(enc110, &cntl);
1307
1308         if (result != BP_RESULT_OK) {
1309                 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1310                         __func__);
1311                 BREAK_TO_DEBUGGER();
1312                 return;
1313         }
1314
1315         /* disable encoder */
1316         if (dc_is_dp_signal(signal))
1317                 link_encoder_disable(enc110);
1318 }
1319
1320 void dce110_link_encoder_dp_set_lane_settings(
1321         struct link_encoder *enc,
1322         const struct dc_link_settings *link_settings,
1323         const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX])
1324 {
1325         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1326         union dpcd_training_lane_set training_lane_set = { { 0 } };
1327         int32_t lane = 0;
1328         struct bp_transmitter_control cntl = { 0 };
1329
1330         if (!link_settings) {
1331                 BREAK_TO_DEBUGGER();
1332                 return;
1333         }
1334
1335         cntl.action = TRANSMITTER_CONTROL_SET_VOLTAGE_AND_PREEMPASIS;
1336         cntl.transmitter = enc110->base.transmitter;
1337         cntl.connector_obj_id = enc110->base.connector;
1338         cntl.lanes_number = link_settings->lane_count;
1339         cntl.hpd_sel = enc110->base.hpd_source;
1340         cntl.pixel_clock = link_settings->link_rate *
1341                                                 LINK_RATE_REF_FREQ_IN_KHZ;
1342
1343         for (lane = 0; lane < link_settings->lane_count; lane++) {
1344                 /* translate lane settings */
1345
1346                 training_lane_set.bits.VOLTAGE_SWING_SET =
1347                                 lane_settings[lane].VOLTAGE_SWING;
1348                 training_lane_set.bits.PRE_EMPHASIS_SET =
1349                                 lane_settings[lane].PRE_EMPHASIS;
1350
1351                 /* post cursor 2 setting only applies to HBR2 link rate */
1352                 if (link_settings->link_rate == LINK_RATE_HIGH2) {
1353                         /* this is passed to VBIOS
1354                          * to program post cursor 2 level */
1355
1356                         training_lane_set.bits.POST_CURSOR2_SET =
1357                                         lane_settings[lane].POST_CURSOR2;
1358                 }
1359
1360                 cntl.lane_select = lane;
1361                 cntl.lane_settings = training_lane_set.raw;
1362
1363                 /* call VBIOS table to set voltage swing and pre-emphasis */
1364                 link_transmitter_control(enc110, &cntl);
1365         }
1366 }
1367
1368 /* set DP PHY test and training patterns */
1369 void dce110_link_encoder_dp_set_phy_pattern(
1370         struct link_encoder *enc,
1371         const struct encoder_set_dp_phy_pattern_param *param)
1372 {
1373         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1374
1375         switch (param->dp_phy_pattern) {
1376         case DP_TEST_PATTERN_TRAINING_PATTERN1:
1377                 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 0);
1378                 break;
1379         case DP_TEST_PATTERN_TRAINING_PATTERN2:
1380                 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 1);
1381                 break;
1382         case DP_TEST_PATTERN_TRAINING_PATTERN3:
1383                 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 2);
1384                 break;
1385         case DP_TEST_PATTERN_TRAINING_PATTERN4:
1386                 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 3);
1387                 break;
1388         case DP_TEST_PATTERN_D102:
1389                 set_dp_phy_pattern_d102(enc110);
1390                 break;
1391         case DP_TEST_PATTERN_SYMBOL_ERROR:
1392                 set_dp_phy_pattern_symbol_error(enc110);
1393                 break;
1394         case DP_TEST_PATTERN_PRBS7:
1395                 set_dp_phy_pattern_prbs7(enc110);
1396                 break;
1397         case DP_TEST_PATTERN_80BIT_CUSTOM:
1398                 set_dp_phy_pattern_80bit_custom(
1399                         enc110, param->custom_pattern);
1400                 break;
1401         case DP_TEST_PATTERN_CP2520_1:
1402                 set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 1);
1403                 break;
1404         case DP_TEST_PATTERN_CP2520_2:
1405                 set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 2);
1406                 break;
1407         case DP_TEST_PATTERN_CP2520_3:
1408                 set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 3);
1409                 break;
1410         case DP_TEST_PATTERN_VIDEO_MODE: {
1411                 set_dp_phy_pattern_passthrough_mode(
1412                         enc110, param->dp_panel_mode);
1413                 break;
1414         }
1415
1416         default:
1417                 /* invalid phy pattern */
1418                 ASSERT_CRITICAL(false);
1419                 break;
1420         }
1421 }
1422
1423 #if defined(CONFIG_DRM_AMD_DC_SI)
1424 /* set DP PHY test and training patterns */
1425 static void dce60_link_encoder_dp_set_phy_pattern(
1426         struct link_encoder *enc,
1427         const struct encoder_set_dp_phy_pattern_param *param)
1428 {
1429         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1430
1431         switch (param->dp_phy_pattern) {
1432         case DP_TEST_PATTERN_TRAINING_PATTERN1:
1433                 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 0);
1434                 break;
1435         case DP_TEST_PATTERN_TRAINING_PATTERN2:
1436                 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 1);
1437                 break;
1438         case DP_TEST_PATTERN_TRAINING_PATTERN3:
1439                 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 2);
1440                 break;
1441         case DP_TEST_PATTERN_TRAINING_PATTERN4:
1442                 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 3);
1443                 break;
1444         case DP_TEST_PATTERN_D102:
1445                 set_dp_phy_pattern_d102(enc110);
1446                 break;
1447         case DP_TEST_PATTERN_SYMBOL_ERROR:
1448                 set_dp_phy_pattern_symbol_error(enc110);
1449                 break;
1450         case DP_TEST_PATTERN_PRBS7:
1451                 set_dp_phy_pattern_prbs7(enc110);
1452                 break;
1453         case DP_TEST_PATTERN_80BIT_CUSTOM:
1454                 set_dp_phy_pattern_80bit_custom(
1455                         enc110, param->custom_pattern);
1456                 break;
1457         case DP_TEST_PATTERN_CP2520_1:
1458                 dce60_set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 1);
1459                 break;
1460         case DP_TEST_PATTERN_CP2520_2:
1461                 dce60_set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 2);
1462                 break;
1463         case DP_TEST_PATTERN_CP2520_3:
1464                 dce60_set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 3);
1465                 break;
1466         case DP_TEST_PATTERN_VIDEO_MODE: {
1467                 dce60_set_dp_phy_pattern_passthrough_mode(
1468                         enc110, param->dp_panel_mode);
1469                 break;
1470         }
1471
1472         default:
1473                 /* invalid phy pattern */
1474                 ASSERT_CRITICAL(false);
1475                 break;
1476         }
1477 }
1478 #endif
1479
1480 static void fill_stream_allocation_row_info(
1481         const struct link_mst_stream_allocation *stream_allocation,
1482         uint32_t *src,
1483         uint32_t *slots)
1484 {
1485         const struct stream_encoder *stream_enc = stream_allocation->stream_enc;
1486
1487         if (stream_enc) {
1488                 *src = stream_enc->id;
1489                 *slots = stream_allocation->slot_count;
1490         } else {
1491                 *src = 0;
1492                 *slots = 0;
1493         }
1494 }
1495
1496 /* programs DP MST VC payload allocation */
1497 void dce110_link_encoder_update_mst_stream_allocation_table(
1498         struct link_encoder *enc,
1499         const struct link_mst_stream_allocation_table *table)
1500 {
1501         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1502         uint32_t value1 = 0;
1503         uint32_t value2 = 0;
1504         uint32_t slots = 0;
1505         uint32_t src = 0;
1506         uint32_t retries = 0;
1507
1508         /* For CZ, there are only 3 pipes. So Virtual channel is up 3.*/
1509
1510         /* --- Set MSE Stream Attribute -
1511          * Setup VC Payload Table on Tx Side,
1512          * Issue allocation change trigger
1513          * to commit payload on both tx and rx side */
1514
1515         /* we should clean-up table each time */
1516
1517         if (table->stream_count >= 1) {
1518                 fill_stream_allocation_row_info(
1519                         &table->stream_allocations[0],
1520                         &src,
1521                         &slots);
1522         } else {
1523                 src = 0;
1524                 slots = 0;
1525         }
1526
1527         REG_UPDATE_2(DP_MSE_SAT0,
1528                         DP_MSE_SAT_SRC0, src,
1529                         DP_MSE_SAT_SLOT_COUNT0, slots);
1530
1531         if (table->stream_count >= 2) {
1532                 fill_stream_allocation_row_info(
1533                         &table->stream_allocations[1],
1534                         &src,
1535                         &slots);
1536         } else {
1537                 src = 0;
1538                 slots = 0;
1539         }
1540
1541         REG_UPDATE_2(DP_MSE_SAT0,
1542                         DP_MSE_SAT_SRC1, src,
1543                         DP_MSE_SAT_SLOT_COUNT1, slots);
1544
1545         if (table->stream_count >= 3) {
1546                 fill_stream_allocation_row_info(
1547                         &table->stream_allocations[2],
1548                         &src,
1549                         &slots);
1550         } else {
1551                 src = 0;
1552                 slots = 0;
1553         }
1554
1555         REG_UPDATE_2(DP_MSE_SAT1,
1556                         DP_MSE_SAT_SRC2, src,
1557                         DP_MSE_SAT_SLOT_COUNT2, slots);
1558
1559         if (table->stream_count >= 4) {
1560                 fill_stream_allocation_row_info(
1561                         &table->stream_allocations[3],
1562                         &src,
1563                         &slots);
1564         } else {
1565                 src = 0;
1566                 slots = 0;
1567         }
1568
1569         REG_UPDATE_2(DP_MSE_SAT1,
1570                         DP_MSE_SAT_SRC3, src,
1571                         DP_MSE_SAT_SLOT_COUNT3, slots);
1572
1573         /* --- wait for transaction finish */
1574
1575         /* send allocation change trigger (ACT) ?
1576          * this step first sends the ACT,
1577          * then double buffers the SAT into the hardware
1578          * making the new allocation active on the DP MST mode link */
1579
1580
1581         /* DP_MSE_SAT_UPDATE:
1582          * 0 - No Action
1583          * 1 - Update SAT with trigger
1584          * 2 - Update SAT without trigger */
1585
1586         REG_UPDATE(DP_MSE_SAT_UPDATE,
1587                         DP_MSE_SAT_UPDATE, 1);
1588
1589         /* wait for update to complete
1590          * (i.e. DP_MSE_SAT_UPDATE field is reset to 0)
1591          * then wait for the transmission
1592          * of at least 16 MTP headers on immediate local link.
1593          * i.e. DP_MSE_16_MTP_KEEPOUT field (read only) is reset to 0
1594          * a value of 1 indicates that DP MST mode
1595          * is in the 16 MTP keepout region after a VC has been added.
1596          * MST stream bandwidth (VC rate) can be configured
1597          * after this bit is cleared */
1598
1599         do {
1600                 udelay(10);
1601
1602                 REG_READ(DP_MSE_SAT_UPDATE);
1603
1604                 REG_GET(DP_MSE_SAT_UPDATE,
1605                                 DP_MSE_SAT_UPDATE, &value1);
1606
1607                 REG_GET(DP_MSE_SAT_UPDATE,
1608                                 DP_MSE_16_MTP_KEEPOUT, &value2);
1609
1610                 /* bit field DP_MSE_SAT_UPDATE is set to 1 already */
1611                 if (!value1 && !value2)
1612                         break;
1613                 ++retries;
1614         } while (retries < DP_MST_UPDATE_MAX_RETRY);
1615 }
1616
1617 void dce110_link_encoder_connect_dig_be_to_fe(
1618         struct link_encoder *enc,
1619         enum engine_id engine,
1620         bool connect)
1621 {
1622         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1623         uint32_t field;
1624
1625         if (engine != ENGINE_ID_UNKNOWN) {
1626
1627                 REG_GET(DIG_BE_CNTL, DIG_FE_SOURCE_SELECT, &field);
1628
1629                 if (connect)
1630                         field |= get_frontend_source(engine);
1631                 else
1632                         field &= ~get_frontend_source(engine);
1633
1634                 REG_UPDATE(DIG_BE_CNTL, DIG_FE_SOURCE_SELECT, field);
1635         }
1636 }
1637
1638 void dce110_link_encoder_enable_hpd(struct link_encoder *enc)
1639 {
1640         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1641         struct dc_context *ctx = enc110->base.ctx;
1642         uint32_t addr = HPD_REG(DC_HPD_CONTROL);
1643         uint32_t hpd_enable = 0;
1644         uint32_t value = dm_read_reg(ctx, addr);
1645
1646         hpd_enable = get_reg_field_value(hpd_enable, DC_HPD_CONTROL, DC_HPD_EN);
1647
1648         if (hpd_enable == 0)
1649                 set_reg_field_value(value, 1, DC_HPD_CONTROL, DC_HPD_EN);
1650 }
1651
1652 void dce110_link_encoder_disable_hpd(struct link_encoder *enc)
1653 {
1654         struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1655         struct dc_context *ctx = enc110->base.ctx;
1656         uint32_t addr = HPD_REG(DC_HPD_CONTROL);
1657         uint32_t value = dm_read_reg(ctx, addr);
1658
1659         set_reg_field_value(value, 0, DC_HPD_CONTROL, DC_HPD_EN);
1660 }
1661
1662 void dce110_link_encoder_get_max_link_cap(struct link_encoder *enc,
1663         struct dc_link_settings *link_settings)
1664 {
1665         /* Set Default link settings */
1666         struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH,
1667                         LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0};
1668
1669         /* Higher link settings based on feature supported */
1670         if (enc->features.flags.bits.IS_HBR2_CAPABLE)
1671                 max_link_cap.link_rate = LINK_RATE_HIGH2;
1672
1673         if (enc->features.flags.bits.IS_HBR3_CAPABLE)
1674                 max_link_cap.link_rate = LINK_RATE_HIGH3;
1675
1676         *link_settings = max_link_cap;
1677 }
1678
1679 #if defined(CONFIG_DRM_AMD_DC_SI)
1680 static const struct link_encoder_funcs dce60_lnk_enc_funcs = {
1681         .validate_output_with_stream =
1682                 dce110_link_encoder_validate_output_with_stream,
1683         .hw_init = dce110_link_encoder_hw_init,
1684         .setup = dce110_link_encoder_setup,
1685         .enable_tmds_output = dce110_link_encoder_enable_tmds_output,
1686         .enable_dp_output = dce60_link_encoder_enable_dp_output,
1687         .enable_dp_mst_output = dce60_link_encoder_enable_dp_mst_output,
1688         .enable_lvds_output = dce110_link_encoder_enable_lvds_output,
1689         .disable_output = dce110_link_encoder_disable_output,
1690         .dp_set_lane_settings = dce110_link_encoder_dp_set_lane_settings,
1691         .dp_set_phy_pattern = dce60_link_encoder_dp_set_phy_pattern,
1692         .update_mst_stream_allocation_table =
1693                 dce110_link_encoder_update_mst_stream_allocation_table,
1694         .psr_program_dp_dphy_fast_training =
1695                         dce110_psr_program_dp_dphy_fast_training,
1696         .psr_program_secondary_packet = dce110_psr_program_secondary_packet,
1697         .connect_dig_be_to_fe = dce110_link_encoder_connect_dig_be_to_fe,
1698         .enable_hpd = dce110_link_encoder_enable_hpd,
1699         .disable_hpd = dce110_link_encoder_disable_hpd,
1700         .is_dig_enabled = dce110_is_dig_enabled,
1701         .destroy = dce110_link_encoder_destroy,
1702         .get_max_link_cap = dce110_link_encoder_get_max_link_cap,
1703         .get_dig_frontend = dce110_get_dig_frontend
1704 };
1705
1706 void dce60_link_encoder_construct(
1707         struct dce110_link_encoder *enc110,
1708         const struct encoder_init_data *init_data,
1709         const struct encoder_feature_support *enc_features,
1710         const struct dce110_link_enc_registers *link_regs,
1711         const struct dce110_link_enc_aux_registers *aux_regs,
1712         const struct dce110_link_enc_hpd_registers *hpd_regs)
1713 {
1714         struct bp_encoder_cap_info bp_cap_info = {0};
1715         const struct dc_vbios_funcs *bp_funcs = init_data->ctx->dc_bios->funcs;
1716         enum bp_result result = BP_RESULT_OK;
1717
1718         enc110->base.funcs = &dce60_lnk_enc_funcs;
1719         enc110->base.ctx = init_data->ctx;
1720         enc110->base.id = init_data->encoder;
1721
1722         enc110->base.hpd_source = init_data->hpd_source;
1723         enc110->base.connector = init_data->connector;
1724
1725         enc110->base.preferred_engine = ENGINE_ID_UNKNOWN;
1726
1727         enc110->base.features = *enc_features;
1728
1729         enc110->base.transmitter = init_data->transmitter;
1730
1731         /* set the flag to indicate whether driver poll the I2C data pin
1732          * while doing the DP sink detect
1733          */
1734
1735 /*      if (dal_adapter_service_is_feature_supported(as,
1736                 FEATURE_DP_SINK_DETECT_POLL_DATA_PIN))
1737                 enc110->base.features.flags.bits.
1738                         DP_SINK_DETECT_POLL_DATA_PIN = true;*/
1739
1740         enc110->base.output_signals =
1741                 SIGNAL_TYPE_DVI_SINGLE_LINK |
1742                 SIGNAL_TYPE_DVI_DUAL_LINK |
1743                 SIGNAL_TYPE_LVDS |
1744                 SIGNAL_TYPE_DISPLAY_PORT |
1745                 SIGNAL_TYPE_DISPLAY_PORT_MST |
1746                 SIGNAL_TYPE_EDP |
1747                 SIGNAL_TYPE_HDMI_TYPE_A;
1748
1749         /* For DCE 8.0 and 8.1, by design, UNIPHY is hardwired to DIG_BE.
1750          * SW always assign DIG_FE 1:1 mapped to DIG_FE for non-MST UNIPHY.
1751          * SW assign DIG_FE to non-MST UNIPHY first and MST last. So prefer
1752          * DIG is per UNIPHY and used by SST DP, eDP, HDMI, DVI and LVDS.
1753          * Prefer DIG assignment is decided by board design.
1754          * For DCE 8.0, there are only max 6 UNIPHYs, we assume board design
1755          * and VBIOS will filter out 7 UNIPHY for DCE 8.0.
1756          * By this, adding DIGG should not hurt DCE 8.0.
1757          * This will let DCE 8.1 share DCE 8.0 as much as possible
1758          */
1759
1760         enc110->link_regs = link_regs;
1761         enc110->aux_regs = aux_regs;
1762         enc110->hpd_regs = hpd_regs;
1763
1764         switch (enc110->base.transmitter) {
1765         case TRANSMITTER_UNIPHY_A:
1766                 enc110->base.preferred_engine = ENGINE_ID_DIGA;
1767         break;
1768         case TRANSMITTER_UNIPHY_B:
1769                 enc110->base.preferred_engine = ENGINE_ID_DIGB;
1770         break;
1771         case TRANSMITTER_UNIPHY_C:
1772                 enc110->base.preferred_engine = ENGINE_ID_DIGC;
1773         break;
1774         case TRANSMITTER_UNIPHY_D:
1775                 enc110->base.preferred_engine = ENGINE_ID_DIGD;
1776         break;
1777         case TRANSMITTER_UNIPHY_E:
1778                 enc110->base.preferred_engine = ENGINE_ID_DIGE;
1779         break;
1780         case TRANSMITTER_UNIPHY_F:
1781                 enc110->base.preferred_engine = ENGINE_ID_DIGF;
1782         break;
1783         case TRANSMITTER_UNIPHY_G:
1784                 enc110->base.preferred_engine = ENGINE_ID_DIGG;
1785         break;
1786         default:
1787                 ASSERT_CRITICAL(false);
1788                 enc110->base.preferred_engine = ENGINE_ID_UNKNOWN;
1789         }
1790
1791         /* default to one to mirror Windows behavior */
1792         enc110->base.features.flags.bits.HDMI_6GB_EN = 1;
1793
1794         result = bp_funcs->get_encoder_cap_info(enc110->base.ctx->dc_bios,
1795                                                 enc110->base.id, &bp_cap_info);
1796
1797         /* Override features with DCE-specific values */
1798         if (BP_RESULT_OK == result) {
1799                 enc110->base.features.flags.bits.IS_HBR2_CAPABLE =
1800                                 bp_cap_info.DP_HBR2_EN;
1801                 enc110->base.features.flags.bits.IS_HBR3_CAPABLE =
1802                                 bp_cap_info.DP_HBR3_EN;
1803                 enc110->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN;
1804         } else {
1805                 DC_LOG_WARNING("%s: Failed to get encoder_cap_info from VBIOS with error code %d!\n",
1806                                 __func__,
1807                                 result);
1808         }
1809         if (enc110->base.ctx->dc->debug.hdmi20_disable) {
1810                 enc110->base.features.flags.bits.HDMI_6GB_EN = 0;
1811         }
1812 }
1813 #endif