drivers/gpu/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 #include "drmP.h"
  27 #include "drm_edid.h"
  28 #include "drm_crtc_helper.h"
  29 #include "drm_fb_helper.h"
  30 #include "radeon_drm.h"
  31 #include "radeon.h"
  32 #include "atom.h"
  33
  34 extern void
  35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
  36                                       struct drm_encoder *encoder,
  37                                       bool connected);
  38 extern void
  39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
  40                                        struct drm_encoder *encoder,
  41                                        bool connected);
  42
  43 void radeon_connector_hotplug(struct drm_connector *connector)
  44 {
  45         struct drm_device *dev = connector->dev;
  46         struct radeon_device *rdev = dev->dev_private;
  47         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  48
  49         if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
  50                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  51
  52         if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
  53             (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
  54                 if ((radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
  55                     (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_eDP)) {
  56                         if (radeon_dp_needs_link_train(radeon_connector)) {
  57                                 if (connector->encoder)
  58                                         dp_link_train(connector->encoder, connector);
  59                         }
  60                 }
  61         }
  62
  63 }
  64
  65 static void radeon_property_change_mode(struct drm_encoder *encoder)
  66 {
  67         struct drm_crtc *crtc = encoder->crtc;
  68
  69         if (crtc && crtc->enabled) {
  70                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  71                                          crtc->x, crtc->y, crtc->fb);
  72         }
  73 }
  74 static void
  75 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
  76 {
  77         struct drm_device *dev = connector->dev;
  78         struct radeon_device *rdev = dev->dev_private;
  79         struct drm_encoder *best_encoder = NULL;
  80         struct drm_encoder *encoder = NULL;
  81         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
  82         struct drm_mode_object *obj;
  83         bool connected;
  84         int i;
  85
  86         best_encoder = connector_funcs->best_encoder(connector);
  87
  88         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  89                 if (connector->encoder_ids[i] == 0)
  90                         break;
  91
  92                 obj = drm_mode_object_find(connector->dev,
  93                                            connector->encoder_ids[i],
  94                                            DRM_MODE_OBJECT_ENCODER);
  95                 if (!obj)
  96                         continue;
  97
  98                 encoder = obj_to_encoder(obj);
  99
 100                 if ((encoder == best_encoder) && (status == connector_status_connected))
 101                         connected = true;
 102                 else
 103                         connected = false;
 104
 105                 if (rdev->is_atom_bios)
 106                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 107                 else
 108                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 109
 110         }
 111 }
 112
 113 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 114 {
 115         struct drm_mode_object *obj;
 116         struct drm_encoder *encoder;
 117         int i;
 118
 119         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 120                 if (connector->encoder_ids[i] == 0)
 121                         break;
 122
 123                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 124                 if (!obj)
 125                         continue;
 126
 127                 encoder = obj_to_encoder(obj);
 128                 if (encoder->encoder_type == encoder_type)
 129                         return encoder;
 130         }
 131         return NULL;
 132 }
 133
 134 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 135 {
 136         int enc_id = connector->encoder_ids[0];
 137         struct drm_mode_object *obj;
 138         struct drm_encoder *encoder;
 139
 140         /* pick the encoder ids */
 141         if (enc_id) {
 142                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 143                 if (!obj)
 144                         return NULL;
 145                 encoder = obj_to_encoder(obj);
 146                 return encoder;
 147         }
 148         return NULL;
 149 }
 150
 151 /*
 152  * radeon_connector_analog_encoder_conflict_solve
 153  * - search for other connectors sharing this encoder
 154  *   if priority is true, then set them disconnected if this is connected
 155  *   if priority is false, set us disconnected if they are connected
 156  */
 157 static enum drm_connector_status
 158 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 159                                                struct drm_encoder *encoder,
 160                                                enum drm_connector_status current_status,
 161                                                bool priority)
 162 {
 163         struct drm_device *dev = connector->dev;
 164         struct drm_connector *conflict;
 165         struct radeon_connector *radeon_conflict;
 166         int i;
 167
 168         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 169                 if (conflict == connector)
 170                         continue;
 171
 172                 radeon_conflict = to_radeon_connector(conflict);
 173                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 174                         if (conflict->encoder_ids[i] == 0)
 175                                 break;
 176
 177                         /* if the IDs match */
 178                         if (conflict->encoder_ids[i] == encoder->base.id) {
 179                                 if (conflict->status != connector_status_connected)
 180                                         continue;
 181
 182                                 if (radeon_conflict->use_digital)
 183                                         continue;
 184
 185                                 if (priority == true) {
 186                                         DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 187                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
 188                                         conflict->status = connector_status_disconnected;
 189                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 190                                 } else {
 191                                         DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 192                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
 193                                         current_status = connector_status_disconnected;
 194                                 }
 195                                 break;
 196                         }
 197                 }
 198         }
 199         return current_status;
 200
 201 }
 202
 203 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 204 {
 205         struct drm_device *dev = encoder->dev;
 206         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 207         struct drm_display_mode *mode = NULL;
 208         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 209
 210         if (native_mode->hdisplay != 0 &&
 211             native_mode->vdisplay != 0 &&
 212             native_mode->clock != 0) {
 213                 mode = drm_mode_duplicate(dev, native_mode);
 214                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 215                 drm_mode_set_name(mode);
 216
 217                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 218         } else if (native_mode->hdisplay != 0 &&
 219                    native_mode->vdisplay != 0) {
 220                 /* mac laptops without an edid */
 221                 /* Note that this is not necessarily the exact panel mode,
 222                  * but an approximation based on the cvt formula.  For these
 223                  * systems we should ideally read the mode info out of the
 224                  * registers or add a mode table, but this works and is much
 225                  * simpler.
 226                  */
 227                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 228                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 229                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 230         }
 231         return mode;
 232 }
 233
 234 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 235 {
 236         struct drm_device *dev = encoder->dev;
 237         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 238         struct drm_display_mode *mode = NULL;
 239         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 240         int i;
 241         struct mode_size {
 242                 int w;
 243                 int h;
 244         } common_modes[17] = {
 245                 { 640,  480},
 246                 { 720,  480},
 247                 { 800,  600},
 248                 { 848,  480},
 249                 {1024,  768},
 250                 {1152,  768},
 251                 {1280,  720},
 252                 {1280,  800},
 253                 {1280,  854},
 254                 {1280,  960},
 255                 {1280, 1024},
 256                 {1440,  900},
 257                 {1400, 1050},
 258                 {1680, 1050},
 259                 {1600, 1200},
 260                 {1920, 1080},
 261                 {1920, 1200}
 262         };
 263
 264         for (i = 0; i < 17; i++) {
 265                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 266                         if (common_modes[i].w > 1024 ||
 267                             common_modes[i].h > 768)
 268                                 continue;
 269                 }
 270                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 271                         if (common_modes[i].w > native_mode->hdisplay ||
 272                             common_modes[i].h > native_mode->vdisplay ||
 273                             (common_modes[i].w == native_mode->hdisplay &&
 274                              common_modes[i].h == native_mode->vdisplay))
 275                                 continue;
 276                 }
 277                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 278                         continue;
 279
 280                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 281                 drm_mode_probed_add(connector, mode);
 282         }
 283 }
 284
 285 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 286                                   uint64_t val)
 287 {
 288         struct drm_device *dev = connector->dev;
 289         struct radeon_device *rdev = dev->dev_private;
 290         struct drm_encoder *encoder;
 291         struct radeon_encoder *radeon_encoder;
 292
 293         if (property == rdev->mode_info.coherent_mode_property) {
 294                 struct radeon_encoder_atom_dig *dig;
 295                 bool new_coherent_mode;
 296
 297                 /* need to find digital encoder on connector */
 298                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 299                 if (!encoder)
 300                         return 0;
 301
 302                 radeon_encoder = to_radeon_encoder(encoder);
 303
 304                 if (!radeon_encoder->enc_priv)
 305                         return 0;
 306
 307                 dig = radeon_encoder->enc_priv;
 308                 new_coherent_mode = val ? true : false;
 309                 if (dig->coherent_mode != new_coherent_mode) {
 310                         dig->coherent_mode = new_coherent_mode;
 311                         radeon_property_change_mode(&radeon_encoder->base);
 312                 }
 313         }
 314
 315         if (property == rdev->mode_info.underscan_property) {
 316                 /* need to find digital encoder on connector */
 317                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 318                 if (!encoder)
 319                         return 0;
 320
 321                 radeon_encoder = to_radeon_encoder(encoder);
 322
 323                 if (radeon_encoder->underscan_type != val) {
 324                         radeon_encoder->underscan_type = val;
 325                         radeon_property_change_mode(&radeon_encoder->base);
 326                 }
 327         }
 328
 329         if (property == rdev->mode_info.underscan_hborder_property) {
 330                 /* need to find digital encoder on connector */
 331                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 332                 if (!encoder)
 333                         return 0;
 334
 335                 radeon_encoder = to_radeon_encoder(encoder);
 336
 337                 if (radeon_encoder->underscan_hborder != val) {
 338                         radeon_encoder->underscan_hborder = val;
 339                         radeon_property_change_mode(&radeon_encoder->base);
 340                 }
 341         }
 342
 343         if (property == rdev->mode_info.underscan_vborder_property) {
 344                 /* need to find digital encoder on connector */
 345                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 346                 if (!encoder)
 347                         return 0;
 348
 349                 radeon_encoder = to_radeon_encoder(encoder);
 350
 351                 if (radeon_encoder->underscan_vborder != val) {
 352                         radeon_encoder->underscan_vborder = val;
 353                         radeon_property_change_mode(&radeon_encoder->base);
 354                 }
 355         }
 356
 357         if (property == rdev->mode_info.tv_std_property) {
 358                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 359                 if (!encoder) {
 360                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 361                 }
 362
 363                 if (!encoder)
 364                         return 0;
 365
 366                 radeon_encoder = to_radeon_encoder(encoder);
 367                 if (!radeon_encoder->enc_priv)
 368                         return 0;
 369                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 370                         struct radeon_encoder_atom_dac *dac_int;
 371                         dac_int = radeon_encoder->enc_priv;
 372                         dac_int->tv_std = val;
 373                 } else {
 374                         struct radeon_encoder_tv_dac *dac_int;
 375                         dac_int = radeon_encoder->enc_priv;
 376                         dac_int->tv_std = val;
 377                 }
 378                 radeon_property_change_mode(&radeon_encoder->base);
 379         }
 380
 381         if (property == rdev->mode_info.load_detect_property) {
 382                 struct radeon_connector *radeon_connector =
 383                         to_radeon_connector(connector);
 384
 385                 if (val == 0)
 386                         radeon_connector->dac_load_detect = false;
 387                 else
 388                         radeon_connector->dac_load_detect = true;
 389         }
 390
 391         if (property == rdev->mode_info.tmds_pll_property) {
 392                 struct radeon_encoder_int_tmds *tmds = NULL;
 393                 bool ret = false;
 394                 /* need to find digital encoder on connector */
 395                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 396                 if (!encoder)
 397                         return 0;
 398
 399                 radeon_encoder = to_radeon_encoder(encoder);
 400
 401                 tmds = radeon_encoder->enc_priv;
 402                 if (!tmds)
 403                         return 0;
 404
 405                 if (val == 0) {
 406                         if (rdev->is_atom_bios)
 407                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 408                         else
 409                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 410                 }
 411                 if (val == 1 || ret == false) {
 412                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 413                 }
 414                 radeon_property_change_mode(&radeon_encoder->base);
 415         }
 416
 417         return 0;
 418 }
 419
 420 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 421                                           struct drm_connector *connector)
 422 {
 423         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 424         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 425
 426         /* Try to get native mode details from EDID if necessary */
 427         if (!native_mode->clock) {
 428                 struct drm_display_mode *t, *mode;
 429
 430                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 431                         if (mode->hdisplay == native_mode->hdisplay &&
 432                             mode->vdisplay == native_mode->vdisplay) {
 433                                 *native_mode = *mode;
 434                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 435                                 DRM_INFO("Determined LVDS native mode details from EDID\n");
 436                                 break;
 437                         }
 438                 }
 439         }
 440         if (!native_mode->clock) {
 441                 DRM_INFO("No LVDS native mode details, disabling RMX\n");
 442                 radeon_encoder->rmx_type = RMX_OFF;
 443         }
 444 }
 445
 446 static int radeon_lvds_get_modes(struct drm_connector *connector)
 447 {
 448         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 449         struct drm_encoder *encoder;
 450         int ret = 0;
 451         struct drm_display_mode *mode;
 452
 453         if (radeon_connector->ddc_bus) {
 454                 ret = radeon_ddc_get_modes(radeon_connector);
 455                 if (ret > 0) {
 456                         encoder = radeon_best_single_encoder(connector);
 457                         if (encoder) {
 458                                 radeon_fixup_lvds_native_mode(encoder, connector);
 459                                 /* add scaled modes */
 460                                 radeon_add_common_modes(encoder, connector);
 461                         }
 462                         return ret;
 463                 }
 464         }
 465
 466         encoder = radeon_best_single_encoder(connector);
 467         if (!encoder)
 468                 return 0;
 469
 470         /* we have no EDID modes */
 471         mode = radeon_fp_native_mode(encoder);
 472         if (mode) {
 473                 ret = 1;
 474                 drm_mode_probed_add(connector, mode);
 475                 /* add scaled modes */
 476                 radeon_add_common_modes(encoder, connector);
 477         }
 478
 479         return ret;
 480 }
 481
 482 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 483                                   struct drm_display_mode *mode)
 484 {
 485         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 486
 487         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 488                 return MODE_PANEL;
 489
 490         if (encoder) {
 491                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 492                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 493
 494                 /* AVIVO hardware supports downscaling modes larger than the panel
 495                  * to the panel size, but I'm not sure this is desirable.
 496                  */
 497                 if ((mode->hdisplay > native_mode->hdisplay) ||
 498                     (mode->vdisplay > native_mode->vdisplay))
 499                         return MODE_PANEL;
 500
 501                 /* if scaling is disabled, block non-native modes */
 502                 if (radeon_encoder->rmx_type == RMX_OFF) {
 503                         if ((mode->hdisplay != native_mode->hdisplay) ||
 504                             (mode->vdisplay != native_mode->vdisplay))
 505                                 return MODE_PANEL;
 506                 }
 507         }
 508
 509         return MODE_OK;
 510 }
 511
 512 static enum drm_connector_status
 513 radeon_lvds_detect(struct drm_connector *connector, bool force)
 514 {
 515         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 516         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 517         enum drm_connector_status ret = connector_status_disconnected;
 518
 519         if (encoder) {
 520                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 521                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 522
 523                 /* check if panel is valid */
 524                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 525                         ret = connector_status_connected;
 526
 527         }
 528
 529         /* check for edid as well */
 530         if (radeon_connector->edid)
 531                 ret = connector_status_connected;
 532         else {
 533                 if (radeon_connector->ddc_bus) {
 534                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 535                                                               &radeon_connector->ddc_bus->adapter);
 536                         if (radeon_connector->edid)
 537                                 ret = connector_status_connected;
 538                 }
 539         }
 540         /* check acpi lid status ??? */
 541
 542         radeon_connector_update_scratch_regs(connector, ret);
 543         return ret;
 544 }
 545
 546 static void radeon_connector_destroy(struct drm_connector *connector)
 547 {
 548         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 549
 550         if (radeon_connector->edid)
 551                 kfree(radeon_connector->edid);
 552         kfree(radeon_connector->con_priv);
 553         drm_sysfs_connector_remove(connector);
 554         drm_connector_cleanup(connector);
 555         kfree(connector);
 556 }
 557
 558 static int radeon_lvds_set_property(struct drm_connector *connector,
 559                                     struct drm_property *property,
 560                                     uint64_t value)
 561 {
 562         struct drm_device *dev = connector->dev;
 563         struct radeon_encoder *radeon_encoder;
 564         enum radeon_rmx_type rmx_type;
 565
 566         DRM_DEBUG_KMS("\n");
 567         if (property != dev->mode_config.scaling_mode_property)
 568                 return 0;
 569
 570         if (connector->encoder)
 571                 radeon_encoder = to_radeon_encoder(connector->encoder);
 572         else {
 573                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 574                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 575         }
 576
 577         switch (value) {
 578         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 579         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 580         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 581         default:
 582         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 583         }
 584         if (radeon_encoder->rmx_type == rmx_type)
 585                 return 0;
 586
 587         radeon_encoder->rmx_type = rmx_type;
 588
 589         radeon_property_change_mode(&radeon_encoder->base);
 590         return 0;
 591 }
 592
 593
 594 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 595         .get_modes = radeon_lvds_get_modes,
 596         .mode_valid = radeon_lvds_mode_valid,
 597         .best_encoder = radeon_best_single_encoder,
 598 };
 599
 600 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 601         .dpms = drm_helper_connector_dpms,
 602         .detect = radeon_lvds_detect,
 603         .fill_modes = drm_helper_probe_single_connector_modes,
 604         .destroy = radeon_connector_destroy,
 605         .set_property = radeon_lvds_set_property,
 606 };
 607
 608 static int radeon_vga_get_modes(struct drm_connector *connector)
 609 {
 610         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 611         int ret;
 612
 613         ret = radeon_ddc_get_modes(radeon_connector);
 614
 615         return ret;
 616 }
 617
 618 static int radeon_vga_mode_valid(struct drm_connector *connector,
 619                                   struct drm_display_mode *mode)
 620 {
 621         /* XXX check mode bandwidth */
 622         /* XXX verify against max DAC output frequency */
 623         return MODE_OK;
 624 }
 625
 626 static enum drm_connector_status
 627 radeon_vga_detect(struct drm_connector *connector, bool force)
 628 {
 629         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 630         struct drm_encoder *encoder;
 631         struct drm_encoder_helper_funcs *encoder_funcs;
 632         bool dret = false;
 633         enum drm_connector_status ret = connector_status_disconnected;
 634
 635         encoder = radeon_best_single_encoder(connector);
 636         if (!encoder)
 637                 ret = connector_status_disconnected;
 638
 639         if (radeon_connector->ddc_bus)
 640                 dret = radeon_ddc_probe(radeon_connector);
 641         if (dret) {
 642                 if (radeon_connector->edid) {
 643                         kfree(radeon_connector->edid);
 644                         radeon_connector->edid = NULL;
 645                 }
 646                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 647
 648                 if (!radeon_connector->edid) {
 649                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 650                                         drm_get_connector_name(connector));
 651                         ret = connector_status_connected;
 652                 } else {
 653                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 654
 655                         /* some oems have boards with separate digital and analog connectors
 656                          * with a shared ddc line (often vga + hdmi)
 657                          */
 658                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 659                                 kfree(radeon_connector->edid);
 660                                 radeon_connector->edid = NULL;
 661                                 ret = connector_status_disconnected;
 662                         } else
 663                                 ret = connector_status_connected;
 664                 }
 665         } else {
 666
 667                 /* if we aren't forcing don't do destructive polling */
 668                 if (!force)
 669                         return connector->status;
 670
 671                 if (radeon_connector->dac_load_detect && encoder) {
 672                         encoder_funcs = encoder->helper_private;
 673                         ret = encoder_funcs->detect(encoder, connector);
 674                 }
 675         }
 676
 677         if (ret == connector_status_connected)
 678                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 679         radeon_connector_update_scratch_regs(connector, ret);
 680         return ret;
 681 }
 682
 683 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 684         .get_modes = radeon_vga_get_modes,
 685         .mode_valid = radeon_vga_mode_valid,
 686         .best_encoder = radeon_best_single_encoder,
 687 };
 688
 689 struct drm_connector_funcs radeon_vga_connector_funcs = {
 690         .dpms = drm_helper_connector_dpms,
 691         .detect = radeon_vga_detect,
 692         .fill_modes = drm_helper_probe_single_connector_modes,
 693         .destroy = radeon_connector_destroy,
 694         .set_property = radeon_connector_set_property,
 695 };
 696
 697 static int radeon_tv_get_modes(struct drm_connector *connector)
 698 {
 699         struct drm_device *dev = connector->dev;
 700         struct radeon_device *rdev = dev->dev_private;
 701         struct drm_display_mode *tv_mode;
 702         struct drm_encoder *encoder;
 703
 704         encoder = radeon_best_single_encoder(connector);
 705         if (!encoder)
 706                 return 0;
 707
 708         /* avivo chips can scale any mode */
 709         if (rdev->family >= CHIP_RS600)
 710                 /* add scaled modes */
 711                 radeon_add_common_modes(encoder, connector);
 712         else {
 713                 /* only 800x600 is supported right now on pre-avivo chips */
 714                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 715                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 716                 drm_mode_probed_add(connector, tv_mode);
 717         }
 718         return 1;
 719 }
 720
 721 static int radeon_tv_mode_valid(struct drm_connector *connector,
 722                                 struct drm_display_mode *mode)
 723 {
 724         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 725                 return MODE_CLOCK_RANGE;
 726         return MODE_OK;
 727 }
 728
 729 static enum drm_connector_status
 730 radeon_tv_detect(struct drm_connector *connector, bool force)
 731 {
 732         struct drm_encoder *encoder;
 733         struct drm_encoder_helper_funcs *encoder_funcs;
 734         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 735         enum drm_connector_status ret = connector_status_disconnected;
 736
 737         if (!radeon_connector->dac_load_detect)
 738                 return ret;
 739
 740         encoder = radeon_best_single_encoder(connector);
 741         if (!encoder)
 742                 ret = connector_status_disconnected;
 743         else {
 744                 encoder_funcs = encoder->helper_private;
 745                 ret = encoder_funcs->detect(encoder, connector);
 746         }
 747         if (ret == connector_status_connected)
 748                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 749         radeon_connector_update_scratch_regs(connector, ret);
 750         return ret;
 751 }
 752
 753 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 754         .get_modes = radeon_tv_get_modes,
 755         .mode_valid = radeon_tv_mode_valid,
 756         .best_encoder = radeon_best_single_encoder,
 757 };
 758
 759 struct drm_connector_funcs radeon_tv_connector_funcs = {
 760         .dpms = drm_helper_connector_dpms,
 761         .detect = radeon_tv_detect,
 762         .fill_modes = drm_helper_probe_single_connector_modes,
 763         .destroy = radeon_connector_destroy,
 764         .set_property = radeon_connector_set_property,
 765 };
 766
 767 static int radeon_dvi_get_modes(struct drm_connector *connector)
 768 {
 769         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 770         int ret;
 771
 772         ret = radeon_ddc_get_modes(radeon_connector);
 773         return ret;
 774 }
 775
 776 /*
 777  * DVI is complicated
 778  * Do a DDC probe, if DDC probe passes, get the full EDID so
 779  * we can do analog/digital monitor detection at this point.
 780  * If the monitor is an analog monitor or we got no DDC,
 781  * we need to find the DAC encoder object for this connector.
 782  * If we got no DDC, we do load detection on the DAC encoder object.
 783  * If we got analog DDC or load detection passes on the DAC encoder
 784  * we have to check if this analog encoder is shared with anyone else (TV)
 785  * if its shared we have to set the other connector to disconnected.
 786  */
 787 static enum drm_connector_status
 788 radeon_dvi_detect(struct drm_connector *connector, bool force)
 789 {
 790         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 791         struct drm_encoder *encoder = NULL;
 792         struct drm_encoder_helper_funcs *encoder_funcs;
 793         struct drm_mode_object *obj;
 794         int i;
 795         enum drm_connector_status ret = connector_status_disconnected;
 796         bool dret = false;
 797
 798         if (radeon_connector->ddc_bus)
 799                 dret = radeon_ddc_probe(radeon_connector);
 800         if (dret) {
 801                 if (radeon_connector->edid) {
 802                         kfree(radeon_connector->edid);
 803                         radeon_connector->edid = NULL;
 804                 }
 805                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 806
 807                 if (!radeon_connector->edid) {
 808                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 809                                         drm_get_connector_name(connector));
 810                 } else {
 811                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 812
 813                         /* some oems have boards with separate digital and analog connectors
 814                          * with a shared ddc line (often vga + hdmi)
 815                          */
 816                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 817                                 kfree(radeon_connector->edid);
 818                                 radeon_connector->edid = NULL;
 819                                 ret = connector_status_disconnected;
 820                         } else
 821                                 ret = connector_status_connected;
 822
 823                         /* This gets complicated.  We have boards with VGA + HDMI with a
 824                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 825                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 826                          * you don't really know what's connected to which port as both are digital.
 827                          */
 828                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 829                                 struct drm_device *dev = connector->dev;
 830                                 struct radeon_device *rdev = dev->dev_private;
 831                                 struct drm_connector *list_connector;
 832                                 struct radeon_connector *list_radeon_connector;
 833                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 834                                         if (connector == list_connector)
 835                                                 continue;
 836                                         list_radeon_connector = to_radeon_connector(list_connector);
 837                                         if (list_radeon_connector->shared_ddc &&
 838                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 839                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 840                                                 /* cases where both connectors are digital */
 841                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 842                                                         /* hpd is our only option in this case */
 843                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 844                                                                 kfree(radeon_connector->edid);
 845                                                                 radeon_connector->edid = NULL;
 846                                                                 ret = connector_status_disconnected;
 847                                                         }
 848                                                 }
 849                                         }
 850                                 }
 851                         }
 852                 }
 853         }
 854
 855         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 856                 goto out;
 857
 858         if (!force) {
 859                 ret = connector->status;
 860                 goto out;
 861         }
 862
 863         /* find analog encoder */
 864         if (radeon_connector->dac_load_detect) {
 865                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 866                         if (connector->encoder_ids[i] == 0)
 867                                 break;
 868
 869                         obj = drm_mode_object_find(connector->dev,
 870                                                    connector->encoder_ids[i],
 871                                                    DRM_MODE_OBJECT_ENCODER);
 872                         if (!obj)
 873                                 continue;
 874
 875                         encoder = obj_to_encoder(obj);
 876
 877                         encoder_funcs = encoder->helper_private;
 878                         if (encoder_funcs->detect) {
 879                                 if (ret != connector_status_connected) {
 880                                         ret = encoder_funcs->detect(encoder, connector);
 881                                         if (ret == connector_status_connected) {
 882                                                 radeon_connector->use_digital = false;
 883                                         }
 884                                 }
 885                                 break;
 886                         }
 887                 }
 888         }
 889
 890         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 891             encoder) {
 892                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 893         }
 894
 895 out:
 896         /* updated in get modes as well since we need to know if it's analog or digital */
 897         radeon_connector_update_scratch_regs(connector, ret);
 898         return ret;
 899 }
 900
 901 /* okay need to be smart in here about which encoder to pick */
 902 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 903 {
 904         int enc_id = connector->encoder_ids[0];
 905         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 906         struct drm_mode_object *obj;
 907         struct drm_encoder *encoder;
 908         int i;
 909         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 910                 if (connector->encoder_ids[i] == 0)
 911                         break;
 912
 913                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 914                 if (!obj)
 915                         continue;
 916
 917                 encoder = obj_to_encoder(obj);
 918
 919                 if (radeon_connector->use_digital == true) {
 920                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 921                                 return encoder;
 922                 } else {
 923                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 924                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 925                                 return encoder;
 926                 }
 927         }
 928
 929         /* see if we have a default encoder  TODO */
 930
 931         /* then check use digitial */
 932         /* pick the first one */
 933         if (enc_id) {
 934                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 935                 if (!obj)
 936                         return NULL;
 937                 encoder = obj_to_encoder(obj);
 938                 return encoder;
 939         }
 940         return NULL;
 941 }
 942
 943 static void radeon_dvi_force(struct drm_connector *connector)
 944 {
 945         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 946         if (connector->force == DRM_FORCE_ON)
 947                 radeon_connector->use_digital = false;
 948         if (connector->force == DRM_FORCE_ON_DIGITAL)
 949                 radeon_connector->use_digital = true;
 950 }
 951
 952 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 953                                   struct drm_display_mode *mode)
 954 {
 955         struct drm_device *dev = connector->dev;
 956         struct radeon_device *rdev = dev->dev_private;
 957         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 958
 959         /* XXX check mode bandwidth */
 960
 961         /* clocks over 135 MHz have heat issues with DVI on RV100 */
 962         if (radeon_connector->use_digital &&
 963             (rdev->family == CHIP_RV100) &&
 964             (mode->clock > 135000))
 965                 return MODE_CLOCK_HIGH;
 966
 967         if (radeon_connector->use_digital && (mode->clock > 165000)) {
 968                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 969                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
 970                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
 971                         return MODE_OK;
 972                 else
 973                         return MODE_CLOCK_HIGH;
 974         }
 975         return MODE_OK;
 976 }
 977
 978 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
 979         .get_modes = radeon_dvi_get_modes,
 980         .mode_valid = radeon_dvi_mode_valid,
 981         .best_encoder = radeon_dvi_encoder,
 982 };
 983
 984 struct drm_connector_funcs radeon_dvi_connector_funcs = {
 985         .dpms = drm_helper_connector_dpms,
 986         .detect = radeon_dvi_detect,
 987         .fill_modes = drm_helper_probe_single_connector_modes,
 988         .set_property = radeon_connector_set_property,
 989         .destroy = radeon_connector_destroy,
 990         .force = radeon_dvi_force,
 991 };
 992
 993 static void radeon_dp_connector_destroy(struct drm_connector *connector)
 994 {
 995         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 996         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 997
 998         if (radeon_connector->edid)
 999                 kfree(radeon_connector->edid);
1000         if (radeon_dig_connector->dp_i2c_bus)
1001                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1002         kfree(radeon_connector->con_priv);
1003         drm_sysfs_connector_remove(connector);
1004         drm_connector_cleanup(connector);
1005         kfree(connector);
1006 }
1007
1008 static int radeon_dp_get_modes(struct drm_connector *connector)
1009 {
1010         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1011         int ret;
1012
1013         ret = radeon_ddc_get_modes(radeon_connector);
1014         return ret;
1015 }
1016
1017 static enum drm_connector_status
1018 radeon_dp_detect(struct drm_connector *connector, bool force)
1019 {
1020         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1021         enum drm_connector_status ret = connector_status_disconnected;
1022         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1023
1024         if (radeon_connector->edid) {
1025                 kfree(radeon_connector->edid);
1026                 radeon_connector->edid = NULL;
1027         }
1028
1029         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1030                 /* eDP is always DP */
1031                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1032                 if (radeon_dp_getdpcd(radeon_connector))
1033                         ret = connector_status_connected;
1034         } else {
1035                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1036                 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1037                         if (radeon_dp_getdpcd(radeon_connector))
1038                                 ret = connector_status_connected;
1039                 } else {
1040                         if (radeon_ddc_probe(radeon_connector))
1041                                 ret = connector_status_connected;
1042                 }
1043         }
1044
1045         radeon_connector_update_scratch_regs(connector, ret);
1046         return ret;
1047 }
1048
1049 static int radeon_dp_mode_valid(struct drm_connector *connector,
1050                                   struct drm_display_mode *mode)
1051 {
1052         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1053         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1054
1055         /* XXX check mode bandwidth */
1056
1057         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1058             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1059                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1060         else
1061                 return MODE_OK;
1062 }
1063
1064 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1065         .get_modes = radeon_dp_get_modes,
1066         .mode_valid = radeon_dp_mode_valid,
1067         .best_encoder = radeon_dvi_encoder,
1068 };
1069
1070 struct drm_connector_funcs radeon_dp_connector_funcs = {
1071         .dpms = drm_helper_connector_dpms,
1072         .detect = radeon_dp_detect,
1073         .fill_modes = drm_helper_probe_single_connector_modes,
1074         .set_property = radeon_connector_set_property,
1075         .destroy = radeon_dp_connector_destroy,
1076         .force = radeon_dvi_force,
1077 };
1078
1079 void
1080 radeon_add_atom_connector(struct drm_device *dev,
1081                           uint32_t connector_id,
1082                           uint32_t supported_device,
1083                           int connector_type,
1084                           struct radeon_i2c_bus_rec *i2c_bus,
1085                           uint32_t igp_lane_info,
1086                           uint16_t connector_object_id,
1087                           struct radeon_hpd *hpd,
1088                           struct radeon_router *router)
1089 {
1090         struct radeon_device *rdev = dev->dev_private;
1091         struct drm_connector *connector;
1092         struct radeon_connector *radeon_connector;
1093         struct radeon_connector_atom_dig *radeon_dig_connector;
1094         uint32_t subpixel_order = SubPixelNone;
1095         bool shared_ddc = false;
1096
1097         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1098                 return;
1099
1100         /* if the user selected tv=0 don't try and add the connector */
1101         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1102              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1103              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1104             (radeon_tv == 0))
1105                 return;
1106
1107         /* see if we already added it */
1108         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1109                 radeon_connector = to_radeon_connector(connector);
1110                 if (radeon_connector->connector_id == connector_id) {
1111                         radeon_connector->devices |= supported_device;
1112                         return;
1113                 }
1114                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1115                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1116                                 radeon_connector->shared_ddc = true;
1117                                 shared_ddc = true;
1118                         }
1119                         if (radeon_connector->router_bus && router->valid &&
1120                             (radeon_connector->router.router_id == router->router_id)) {
1121                                 radeon_connector->shared_ddc = false;
1122                                 shared_ddc = false;
1123                         }
1124                 }
1125         }
1126
1127         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1128         if (!radeon_connector)
1129                 return;
1130
1131         connector = &radeon_connector->base;
1132
1133         radeon_connector->connector_id = connector_id;
1134         radeon_connector->devices = supported_device;
1135         radeon_connector->shared_ddc = shared_ddc;
1136         radeon_connector->connector_object_id = connector_object_id;
1137         radeon_connector->hpd = *hpd;
1138         radeon_connector->router = *router;
1139         if (router->valid) {
1140                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1141                 if (!radeon_connector->router_bus)
1142                         goto failed;
1143         }
1144         switch (connector_type) {
1145         case DRM_MODE_CONNECTOR_VGA:
1146                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1147                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1148                 if (i2c_bus->valid) {
1149                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1150                         if (!radeon_connector->ddc_bus)
1151                                 goto failed;
1152                 }
1153                 radeon_connector->dac_load_detect = true;
1154                 drm_connector_attach_property(&radeon_connector->base,
1155                                               rdev->mode_info.load_detect_property,
1156                                               1);
1157                 /* no HPD on analog connectors */
1158                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1159                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1160                 break;
1161         case DRM_MODE_CONNECTOR_DVIA:
1162                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1163                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1164                 if (i2c_bus->valid) {
1165                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1166                         if (!radeon_connector->ddc_bus)
1167                                 goto failed;
1168                 }
1169                 radeon_connector->dac_load_detect = true;
1170                 drm_connector_attach_property(&radeon_connector->base,
1171                                               rdev->mode_info.load_detect_property,
1172                                               1);
1173                 /* no HPD on analog connectors */
1174                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1175                 break;
1176         case DRM_MODE_CONNECTOR_DVII:
1177         case DRM_MODE_CONNECTOR_DVID:
1178                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1179                 if (!radeon_dig_connector)
1180                         goto failed;
1181                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1182                 radeon_connector->con_priv = radeon_dig_connector;
1183                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1184                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1185                 if (i2c_bus->valid) {
1186                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1187                         if (!radeon_connector->ddc_bus)
1188                                 goto failed;
1189                 }
1190                 subpixel_order = SubPixelHorizontalRGB;
1191                 drm_connector_attach_property(&radeon_connector->base,
1192                                               rdev->mode_info.coherent_mode_property,
1193                                               1);
1194                 if (ASIC_IS_AVIVO(rdev)) {
1195                         drm_connector_attach_property(&radeon_connector->base,
1196                                                       rdev->mode_info.underscan_property,
1197                                                       UNDERSCAN_AUTO);
1198                         drm_connector_attach_property(&radeon_connector->base,
1199                                                       rdev->mode_info.underscan_hborder_property,
1200                                                       0);
1201                         drm_connector_attach_property(&radeon_connector->base,
1202                                                       rdev->mode_info.underscan_vborder_property,
1203                                                       0);
1204                 }
1205                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1206                         radeon_connector->dac_load_detect = true;
1207                         drm_connector_attach_property(&radeon_connector->base,
1208                                                       rdev->mode_info.load_detect_property,
1209                                                       1);
1210                 }
1211                 break;
1212         case DRM_MODE_CONNECTOR_HDMIA:
1213         case DRM_MODE_CONNECTOR_HDMIB:
1214                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1215                 if (!radeon_dig_connector)
1216                         goto failed;
1217                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1218                 radeon_connector->con_priv = radeon_dig_connector;
1219                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1220                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1221                 if (i2c_bus->valid) {
1222                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1223                         if (!radeon_connector->ddc_bus)
1224                                 goto failed;
1225                 }
1226                 drm_connector_attach_property(&radeon_connector->base,
1227                                               rdev->mode_info.coherent_mode_property,
1228                                               1);
1229                 if (ASIC_IS_AVIVO(rdev)) {
1230                         drm_connector_attach_property(&radeon_connector->base,
1231                                                       rdev->mode_info.underscan_property,
1232                                                       UNDERSCAN_AUTO);
1233                         drm_connector_attach_property(&radeon_connector->base,
1234                                                       rdev->mode_info.underscan_hborder_property,
1235                                                       0);
1236                         drm_connector_attach_property(&radeon_connector->base,
1237                                                       rdev->mode_info.underscan_vborder_property,
1238                                                       0);
1239                 }
1240                 subpixel_order = SubPixelHorizontalRGB;
1241                 break;
1242         case DRM_MODE_CONNECTOR_DisplayPort:
1243         case DRM_MODE_CONNECTOR_eDP:
1244                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1245                 if (!radeon_dig_connector)
1246                         goto failed;
1247                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1248                 radeon_connector->con_priv = radeon_dig_connector;
1249                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1250                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1251                 if (i2c_bus->valid) {
1252                         /* add DP i2c bus */
1253                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1254                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1255                         else
1256                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1257                         if (!radeon_dig_connector->dp_i2c_bus)
1258                                 goto failed;
1259                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1260                         if (!radeon_connector->ddc_bus)
1261                                 goto failed;
1262                 }
1263                 subpixel_order = SubPixelHorizontalRGB;
1264                 drm_connector_attach_property(&radeon_connector->base,
1265                                               rdev->mode_info.coherent_mode_property,
1266                                               1);
1267                 if (ASIC_IS_AVIVO(rdev)) {
1268                         drm_connector_attach_property(&radeon_connector->base,
1269                                                       rdev->mode_info.underscan_property,
1270                                                       UNDERSCAN_AUTO);
1271                         drm_connector_attach_property(&radeon_connector->base,
1272                                                       rdev->mode_info.underscan_hborder_property,
1273                                                       0);
1274                         drm_connector_attach_property(&radeon_connector->base,
1275                                                       rdev->mode_info.underscan_vborder_property,
1276                                                       0);
1277                 }
1278                 break;
1279         case DRM_MODE_CONNECTOR_SVIDEO:
1280         case DRM_MODE_CONNECTOR_Composite:
1281         case DRM_MODE_CONNECTOR_9PinDIN:
1282                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1283                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1284                 radeon_connector->dac_load_detect = true;
1285                 drm_connector_attach_property(&radeon_connector->base,
1286                                               rdev->mode_info.load_detect_property,
1287                                               1);
1288                 drm_connector_attach_property(&radeon_connector->base,
1289                                               rdev->mode_info.tv_std_property,
1290                                               radeon_atombios_get_tv_info(rdev));
1291                 /* no HPD on analog connectors */
1292                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1293                 break;
1294         case DRM_MODE_CONNECTOR_LVDS:
1295                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1296                 if (!radeon_dig_connector)
1297                         goto failed;
1298                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1299                 radeon_connector->con_priv = radeon_dig_connector;
1300                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1301                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1302                 if (i2c_bus->valid) {
1303                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1304                         if (!radeon_connector->ddc_bus)
1305                                 goto failed;
1306                 }
1307                 drm_connector_attach_property(&radeon_connector->base,
1308                                               dev->mode_config.scaling_mode_property,
1309                                               DRM_MODE_SCALE_FULLSCREEN);
1310                 subpixel_order = SubPixelHorizontalRGB;
1311                 break;
1312         }
1313
1314         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1315                 if (i2c_bus->valid)
1316                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1317         } else
1318                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1319
1320         connector->display_info.subpixel_order = subpixel_order;
1321         drm_sysfs_connector_add(connector);
1322         return;
1323
1324 failed:
1325         drm_connector_cleanup(connector);
1326         kfree(connector);
1327 }
1328
1329 void
1330 radeon_add_legacy_connector(struct drm_device *dev,
1331                             uint32_t connector_id,
1332                             uint32_t supported_device,
1333                             int connector_type,
1334                             struct radeon_i2c_bus_rec *i2c_bus,
1335                             uint16_t connector_object_id,
1336                             struct radeon_hpd *hpd)
1337 {
1338         struct radeon_device *rdev = dev->dev_private;
1339         struct drm_connector *connector;
1340         struct radeon_connector *radeon_connector;
1341         uint32_t subpixel_order = SubPixelNone;
1342
1343         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1344                 return;
1345
1346         /* if the user selected tv=0 don't try and add the connector */
1347         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1348              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1349              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1350             (radeon_tv == 0))
1351                 return;
1352
1353         /* see if we already added it */
1354         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1355                 radeon_connector = to_radeon_connector(connector);
1356                 if (radeon_connector->connector_id == connector_id) {
1357                         radeon_connector->devices |= supported_device;
1358                         return;
1359                 }
1360         }
1361
1362         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1363         if (!radeon_connector)
1364                 return;
1365
1366         connector = &radeon_connector->base;
1367
1368         radeon_connector->connector_id = connector_id;
1369         radeon_connector->devices = supported_device;
1370         radeon_connector->connector_object_id = connector_object_id;
1371         radeon_connector->hpd = *hpd;
1372         switch (connector_type) {
1373         case DRM_MODE_CONNECTOR_VGA:
1374                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1375                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1376                 if (i2c_bus->valid) {
1377                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1378                         if (!radeon_connector->ddc_bus)
1379                                 goto failed;
1380                 }
1381                 radeon_connector->dac_load_detect = true;
1382                 drm_connector_attach_property(&radeon_connector->base,
1383                                               rdev->mode_info.load_detect_property,
1384                                               1);
1385                 /* no HPD on analog connectors */
1386                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1387                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1388                 break;
1389         case DRM_MODE_CONNECTOR_DVIA:
1390                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1391                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1392                 if (i2c_bus->valid) {
1393                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1394                         if (!radeon_connector->ddc_bus)
1395                                 goto failed;
1396                 }
1397                 radeon_connector->dac_load_detect = true;
1398                 drm_connector_attach_property(&radeon_connector->base,
1399                                               rdev->mode_info.load_detect_property,
1400                                               1);
1401                 /* no HPD on analog connectors */
1402                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1403                 break;
1404         case DRM_MODE_CONNECTOR_DVII:
1405         case DRM_MODE_CONNECTOR_DVID:
1406                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1407                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1408                 if (i2c_bus->valid) {
1409                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1410                         if (!radeon_connector->ddc_bus)
1411                                 goto failed;
1412                 }
1413                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1414                         radeon_connector->dac_load_detect = true;
1415                         drm_connector_attach_property(&radeon_connector->base,
1416                                                       rdev->mode_info.load_detect_property,
1417                                                       1);
1418                 }
1419                 subpixel_order = SubPixelHorizontalRGB;
1420                 break;
1421         case DRM_MODE_CONNECTOR_SVIDEO:
1422         case DRM_MODE_CONNECTOR_Composite:
1423         case DRM_MODE_CONNECTOR_9PinDIN:
1424                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1425                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1426                 radeon_connector->dac_load_detect = true;
1427                 /* RS400,RC410,RS480 chipset seems to report a lot
1428                  * of false positive on load detect, we haven't yet
1429                  * found a way to make load detect reliable on those
1430                  * chipset, thus just disable it for TV.
1431                  */
1432                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1433                         radeon_connector->dac_load_detect = false;
1434                 drm_connector_attach_property(&radeon_connector->base,
1435                                               rdev->mode_info.load_detect_property,
1436                                               radeon_connector->dac_load_detect);
1437                 drm_connector_attach_property(&radeon_connector->base,
1438                                               rdev->mode_info.tv_std_property,
1439                                               radeon_combios_get_tv_info(rdev));
1440                 /* no HPD on analog connectors */
1441                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1442                 break;
1443         case DRM_MODE_CONNECTOR_LVDS:
1444                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1445                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1446                 if (i2c_bus->valid) {
1447                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1448                         if (!radeon_connector->ddc_bus)
1449                                 goto failed;
1450                 }
1451                 drm_connector_attach_property(&radeon_connector->base,
1452                                               dev->mode_config.scaling_mode_property,
1453                                               DRM_MODE_SCALE_FULLSCREEN);
1454                 subpixel_order = SubPixelHorizontalRGB;
1455                 break;
1456         }
1457
1458         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1459                 if (i2c_bus->valid)
1460                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1461         } else
1462                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1463         connector->display_info.subpixel_order = subpixel_order;
1464         drm_sysfs_connector_add(connector);
1465         return;
1466
1467 failed:
1468         drm_connector_cleanup(connector);
1469         kfree(connector);
1470 }