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.tv_std_property) {
 330                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 331                 if (!encoder) {
 332                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 333                 }
 334
 335                 if (!encoder)
 336                         return 0;
 337
 338                 radeon_encoder = to_radeon_encoder(encoder);
 339                 if (!radeon_encoder->enc_priv)
 340                         return 0;
 341                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 342                         struct radeon_encoder_atom_dac *dac_int;
 343                         dac_int = radeon_encoder->enc_priv;
 344                         dac_int->tv_std = val;
 345                 } else {
 346                         struct radeon_encoder_tv_dac *dac_int;
 347                         dac_int = radeon_encoder->enc_priv;
 348                         dac_int->tv_std = val;
 349                 }
 350                 radeon_property_change_mode(&radeon_encoder->base);
 351         }
 352
 353         if (property == rdev->mode_info.load_detect_property) {
 354                 struct radeon_connector *radeon_connector =
 355                         to_radeon_connector(connector);
 356
 357                 if (val == 0)
 358                         radeon_connector->dac_load_detect = false;
 359                 else
 360                         radeon_connector->dac_load_detect = true;
 361         }
 362
 363         if (property == rdev->mode_info.tmds_pll_property) {
 364                 struct radeon_encoder_int_tmds *tmds = NULL;
 365                 bool ret = false;
 366                 /* need to find digital encoder on connector */
 367                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 368                 if (!encoder)
 369                         return 0;
 370
 371                 radeon_encoder = to_radeon_encoder(encoder);
 372
 373                 tmds = radeon_encoder->enc_priv;
 374                 if (!tmds)
 375                         return 0;
 376
 377                 if (val == 0) {
 378                         if (rdev->is_atom_bios)
 379                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 380                         else
 381                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 382                 }
 383                 if (val == 1 || ret == false) {
 384                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 385                 }
 386                 radeon_property_change_mode(&radeon_encoder->base);
 387         }
 388
 389         return 0;
 390 }
 391
 392 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 393                                           struct drm_connector *connector)
 394 {
 395         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 396         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 397
 398         /* Try to get native mode details from EDID if necessary */
 399         if (!native_mode->clock) {
 400                 struct drm_display_mode *t, *mode;
 401
 402                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 403                         if (mode->hdisplay == native_mode->hdisplay &&
 404                             mode->vdisplay == native_mode->vdisplay) {
 405                                 *native_mode = *mode;
 406                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 407                                 DRM_INFO("Determined LVDS native mode details from EDID\n");
 408                                 break;
 409                         }
 410                 }
 411         }
 412         if (!native_mode->clock) {
 413                 DRM_INFO("No LVDS native mode details, disabling RMX\n");
 414                 radeon_encoder->rmx_type = RMX_OFF;
 415         }
 416 }
 417
 418 static int radeon_lvds_get_modes(struct drm_connector *connector)
 419 {
 420         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 421         struct drm_encoder *encoder;
 422         int ret = 0;
 423         struct drm_display_mode *mode;
 424
 425         if (radeon_connector->ddc_bus) {
 426                 ret = radeon_ddc_get_modes(radeon_connector);
 427                 if (ret > 0) {
 428                         encoder = radeon_best_single_encoder(connector);
 429                         if (encoder) {
 430                                 radeon_fixup_lvds_native_mode(encoder, connector);
 431                                 /* add scaled modes */
 432                                 radeon_add_common_modes(encoder, connector);
 433                         }
 434                         return ret;
 435                 }
 436         }
 437
 438         encoder = radeon_best_single_encoder(connector);
 439         if (!encoder)
 440                 return 0;
 441
 442         /* we have no EDID modes */
 443         mode = radeon_fp_native_mode(encoder);
 444         if (mode) {
 445                 ret = 1;
 446                 drm_mode_probed_add(connector, mode);
 447                 /* add scaled modes */
 448                 radeon_add_common_modes(encoder, connector);
 449         }
 450
 451         return ret;
 452 }
 453
 454 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 455                                   struct drm_display_mode *mode)
 456 {
 457         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 458
 459         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 460                 return MODE_PANEL;
 461
 462         if (encoder) {
 463                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 464                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 465
 466                 /* AVIVO hardware supports downscaling modes larger than the panel
 467                  * to the panel size, but I'm not sure this is desirable.
 468                  */
 469                 if ((mode->hdisplay > native_mode->hdisplay) ||
 470                     (mode->vdisplay > native_mode->vdisplay))
 471                         return MODE_PANEL;
 472
 473                 /* if scaling is disabled, block non-native modes */
 474                 if (radeon_encoder->rmx_type == RMX_OFF) {
 475                         if ((mode->hdisplay != native_mode->hdisplay) ||
 476                             (mode->vdisplay != native_mode->vdisplay))
 477                                 return MODE_PANEL;
 478                 }
 479         }
 480
 481         return MODE_OK;
 482 }
 483
 484 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
 485 {
 486         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 487         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 488         enum drm_connector_status ret = connector_status_disconnected;
 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                 /* check if panel is valid */
 495                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 496                         ret = connector_status_connected;
 497
 498         }
 499
 500         /* check for edid as well */
 501         if (radeon_connector->edid)
 502                 ret = connector_status_connected;
 503         else {
 504                 if (radeon_connector->ddc_bus) {
 505                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 506                                                               &radeon_connector->ddc_bus->adapter);
 507                         if (radeon_connector->edid)
 508                                 ret = connector_status_connected;
 509                 }
 510         }
 511         /* check acpi lid status ??? */
 512
 513         radeon_connector_update_scratch_regs(connector, ret);
 514         return ret;
 515 }
 516
 517 static void radeon_connector_destroy(struct drm_connector *connector)
 518 {
 519         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 520
 521         if (radeon_connector->edid)
 522                 kfree(radeon_connector->edid);
 523         kfree(radeon_connector->con_priv);
 524         drm_sysfs_connector_remove(connector);
 525         drm_connector_cleanup(connector);
 526         kfree(connector);
 527 }
 528
 529 static int radeon_lvds_set_property(struct drm_connector *connector,
 530                                     struct drm_property *property,
 531                                     uint64_t value)
 532 {
 533         struct drm_device *dev = connector->dev;
 534         struct radeon_encoder *radeon_encoder;
 535         enum radeon_rmx_type rmx_type;
 536
 537         DRM_DEBUG_KMS("\n");
 538         if (property != dev->mode_config.scaling_mode_property)
 539                 return 0;
 540
 541         if (connector->encoder)
 542                 radeon_encoder = to_radeon_encoder(connector->encoder);
 543         else {
 544                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 545                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 546         }
 547
 548         switch (value) {
 549         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 550         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 551         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 552         default:
 553         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 554         }
 555         if (radeon_encoder->rmx_type == rmx_type)
 556                 return 0;
 557
 558         radeon_encoder->rmx_type = rmx_type;
 559
 560         radeon_property_change_mode(&radeon_encoder->base);
 561         return 0;
 562 }
 563
 564
 565 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 566         .get_modes = radeon_lvds_get_modes,
 567         .mode_valid = radeon_lvds_mode_valid,
 568         .best_encoder = radeon_best_single_encoder,
 569 };
 570
 571 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 572         .dpms = drm_helper_connector_dpms,
 573         .detect = radeon_lvds_detect,
 574         .fill_modes = drm_helper_probe_single_connector_modes,
 575         .destroy = radeon_connector_destroy,
 576         .set_property = radeon_lvds_set_property,
 577 };
 578
 579 static int radeon_vga_get_modes(struct drm_connector *connector)
 580 {
 581         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 582         int ret;
 583
 584         ret = radeon_ddc_get_modes(radeon_connector);
 585
 586         return ret;
 587 }
 588
 589 static int radeon_vga_mode_valid(struct drm_connector *connector,
 590                                   struct drm_display_mode *mode)
 591 {
 592         /* XXX check mode bandwidth */
 593         /* XXX verify against max DAC output frequency */
 594         return MODE_OK;
 595 }
 596
 597 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
 598 {
 599         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 600         struct drm_encoder *encoder;
 601         struct drm_encoder_helper_funcs *encoder_funcs;
 602         bool dret = false;
 603         enum drm_connector_status ret = connector_status_disconnected;
 604
 605         encoder = radeon_best_single_encoder(connector);
 606         if (!encoder)
 607                 ret = connector_status_disconnected;
 608
 609         if (radeon_connector->ddc_bus)
 610                 dret = radeon_ddc_probe(radeon_connector);
 611         if (dret) {
 612                 if (radeon_connector->edid) {
 613                         kfree(radeon_connector->edid);
 614                         radeon_connector->edid = NULL;
 615                 }
 616                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 617
 618                 if (!radeon_connector->edid) {
 619                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 620                                         drm_get_connector_name(connector));
 621                         ret = connector_status_connected;
 622                 } else {
 623                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 624
 625                         /* some oems have boards with separate digital and analog connectors
 626                          * with a shared ddc line (often vga + hdmi)
 627                          */
 628                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 629                                 kfree(radeon_connector->edid);
 630                                 radeon_connector->edid = NULL;
 631                                 ret = connector_status_disconnected;
 632                         } else
 633                                 ret = connector_status_connected;
 634                 }
 635         } else {
 636                 if (radeon_connector->dac_load_detect && encoder) {
 637                         encoder_funcs = encoder->helper_private;
 638                         ret = encoder_funcs->detect(encoder, connector);
 639                 }
 640         }
 641
 642         if (ret == connector_status_connected)
 643                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 644         radeon_connector_update_scratch_regs(connector, ret);
 645         return ret;
 646 }
 647
 648 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 649         .get_modes = radeon_vga_get_modes,
 650         .mode_valid = radeon_vga_mode_valid,
 651         .best_encoder = radeon_best_single_encoder,
 652 };
 653
 654 struct drm_connector_funcs radeon_vga_connector_funcs = {
 655         .dpms = drm_helper_connector_dpms,
 656         .detect = radeon_vga_detect,
 657         .fill_modes = drm_helper_probe_single_connector_modes,
 658         .destroy = radeon_connector_destroy,
 659         .set_property = radeon_connector_set_property,
 660 };
 661
 662 static int radeon_tv_get_modes(struct drm_connector *connector)
 663 {
 664         struct drm_device *dev = connector->dev;
 665         struct radeon_device *rdev = dev->dev_private;
 666         struct drm_display_mode *tv_mode;
 667         struct drm_encoder *encoder;
 668
 669         encoder = radeon_best_single_encoder(connector);
 670         if (!encoder)
 671                 return 0;
 672
 673         /* avivo chips can scale any mode */
 674         if (rdev->family >= CHIP_RS600)
 675                 /* add scaled modes */
 676                 radeon_add_common_modes(encoder, connector);
 677         else {
 678                 /* only 800x600 is supported right now on pre-avivo chips */
 679                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 680                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 681                 drm_mode_probed_add(connector, tv_mode);
 682         }
 683         return 1;
 684 }
 685
 686 static int radeon_tv_mode_valid(struct drm_connector *connector,
 687                                 struct drm_display_mode *mode)
 688 {
 689         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 690                 return MODE_CLOCK_RANGE;
 691         return MODE_OK;
 692 }
 693
 694 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
 695 {
 696         struct drm_encoder *encoder;
 697         struct drm_encoder_helper_funcs *encoder_funcs;
 698         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 699         enum drm_connector_status ret = connector_status_disconnected;
 700
 701         if (!radeon_connector->dac_load_detect)
 702                 return ret;
 703
 704         encoder = radeon_best_single_encoder(connector);
 705         if (!encoder)
 706                 ret = connector_status_disconnected;
 707         else {
 708                 encoder_funcs = encoder->helper_private;
 709                 ret = encoder_funcs->detect(encoder, connector);
 710         }
 711         if (ret == connector_status_connected)
 712                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 713         radeon_connector_update_scratch_regs(connector, ret);
 714         return ret;
 715 }
 716
 717 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 718         .get_modes = radeon_tv_get_modes,
 719         .mode_valid = radeon_tv_mode_valid,
 720         .best_encoder = radeon_best_single_encoder,
 721 };
 722
 723 struct drm_connector_funcs radeon_tv_connector_funcs = {
 724         .dpms = drm_helper_connector_dpms,
 725         .detect = radeon_tv_detect,
 726         .fill_modes = drm_helper_probe_single_connector_modes,
 727         .destroy = radeon_connector_destroy,
 728         .set_property = radeon_connector_set_property,
 729 };
 730
 731 static int radeon_dvi_get_modes(struct drm_connector *connector)
 732 {
 733         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 734         int ret;
 735
 736         ret = radeon_ddc_get_modes(radeon_connector);
 737         return ret;
 738 }
 739
 740 /*
 741  * DVI is complicated
 742  * Do a DDC probe, if DDC probe passes, get the full EDID so
 743  * we can do analog/digital monitor detection at this point.
 744  * If the monitor is an analog monitor or we got no DDC,
 745  * we need to find the DAC encoder object for this connector.
 746  * If we got no DDC, we do load detection on the DAC encoder object.
 747  * If we got analog DDC or load detection passes on the DAC encoder
 748  * we have to check if this analog encoder is shared with anyone else (TV)
 749  * if its shared we have to set the other connector to disconnected.
 750  */
 751 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
 752 {
 753         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 754         struct drm_encoder *encoder = NULL;
 755         struct drm_encoder_helper_funcs *encoder_funcs;
 756         struct drm_mode_object *obj;
 757         int i;
 758         enum drm_connector_status ret = connector_status_disconnected;
 759         bool dret = false;
 760
 761         if (radeon_connector->ddc_bus)
 762                 dret = radeon_ddc_probe(radeon_connector);
 763         if (dret) {
 764                 if (radeon_connector->edid) {
 765                         kfree(radeon_connector->edid);
 766                         radeon_connector->edid = NULL;
 767                 }
 768                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 769
 770                 if (!radeon_connector->edid) {
 771                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 772                                         drm_get_connector_name(connector));
 773                 } else {
 774                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 775
 776                         /* some oems have boards with separate digital and analog connectors
 777                          * with a shared ddc line (often vga + hdmi)
 778                          */
 779                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 780                                 kfree(radeon_connector->edid);
 781                                 radeon_connector->edid = NULL;
 782                                 ret = connector_status_disconnected;
 783                         } else
 784                                 ret = connector_status_connected;
 785
 786                         /* This gets complicated.  We have boards with VGA + HDMI with a
 787                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 788                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 789                          * you don't really know what's connected to which port as both are digital.
 790                          */
 791                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 792                                 struct drm_device *dev = connector->dev;
 793                                 struct radeon_device *rdev = dev->dev_private;
 794                                 struct drm_connector *list_connector;
 795                                 struct radeon_connector *list_radeon_connector;
 796                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 797                                         if (connector == list_connector)
 798                                                 continue;
 799                                         list_radeon_connector = to_radeon_connector(list_connector);
 800                                         if (list_radeon_connector->shared_ddc &&
 801                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 802                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 803                                                 /* cases where both connectors are digital */
 804                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 805                                                         /* hpd is our only option in this case */
 806                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 807                                                                 kfree(radeon_connector->edid);
 808                                                                 radeon_connector->edid = NULL;
 809                                                                 ret = connector_status_disconnected;
 810                                                         }
 811                                                 }
 812                                         }
 813                                 }
 814                         }
 815                 }
 816         }
 817
 818         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 819                 goto out;
 820
 821         /* find analog encoder */
 822         if (radeon_connector->dac_load_detect) {
 823                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 824                         if (connector->encoder_ids[i] == 0)
 825                                 break;
 826
 827                         obj = drm_mode_object_find(connector->dev,
 828                                                    connector->encoder_ids[i],
 829                                                    DRM_MODE_OBJECT_ENCODER);
 830                         if (!obj)
 831                                 continue;
 832
 833                         encoder = obj_to_encoder(obj);
 834
 835                         encoder_funcs = encoder->helper_private;
 836                         if (encoder_funcs->detect) {
 837                                 if (ret != connector_status_connected) {
 838                                         ret = encoder_funcs->detect(encoder, connector);
 839                                         if (ret == connector_status_connected) {
 840                                                 radeon_connector->use_digital = false;
 841                                         }
 842                                 }
 843                                 break;
 844                         }
 845                 }
 846         }
 847
 848         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 849             encoder) {
 850                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 851         }
 852
 853 out:
 854         /* updated in get modes as well since we need to know if it's analog or digital */
 855         radeon_connector_update_scratch_regs(connector, ret);
 856         return ret;
 857 }
 858
 859 /* okay need to be smart in here about which encoder to pick */
 860 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 861 {
 862         int enc_id = connector->encoder_ids[0];
 863         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 864         struct drm_mode_object *obj;
 865         struct drm_encoder *encoder;
 866         int i;
 867         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 868                 if (connector->encoder_ids[i] == 0)
 869                         break;
 870
 871                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 872                 if (!obj)
 873                         continue;
 874
 875                 encoder = obj_to_encoder(obj);
 876
 877                 if (radeon_connector->use_digital == true) {
 878                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 879                                 return encoder;
 880                 } else {
 881                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 882                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 883                                 return encoder;
 884                 }
 885         }
 886
 887         /* see if we have a default encoder  TODO */
 888
 889         /* then check use digitial */
 890         /* pick the first one */
 891         if (enc_id) {
 892                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 893                 if (!obj)
 894                         return NULL;
 895                 encoder = obj_to_encoder(obj);
 896                 return encoder;
 897         }
 898         return NULL;
 899 }
 900
 901 static void radeon_dvi_force(struct drm_connector *connector)
 902 {
 903         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 904         if (connector->force == DRM_FORCE_ON)
 905                 radeon_connector->use_digital = false;
 906         if (connector->force == DRM_FORCE_ON_DIGITAL)
 907                 radeon_connector->use_digital = true;
 908 }
 909
 910 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 911                                   struct drm_display_mode *mode)
 912 {
 913         struct drm_device *dev = connector->dev;
 914         struct radeon_device *rdev = dev->dev_private;
 915         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 916
 917         /* XXX check mode bandwidth */
 918
 919         /* clocks over 135 MHz have heat issues with DVI on RV100 */
 920         if (radeon_connector->use_digital &&
 921             (rdev->family == CHIP_RV100) &&
 922             (mode->clock > 135000))
 923                 return MODE_CLOCK_HIGH;
 924
 925         if (radeon_connector->use_digital && (mode->clock > 165000)) {
 926                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 927                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
 928                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
 929                         return MODE_OK;
 930                 else
 931                         return MODE_CLOCK_HIGH;
 932         }
 933         return MODE_OK;
 934 }
 935
 936 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
 937         .get_modes = radeon_dvi_get_modes,
 938         .mode_valid = radeon_dvi_mode_valid,
 939         .best_encoder = radeon_dvi_encoder,
 940 };
 941
 942 struct drm_connector_funcs radeon_dvi_connector_funcs = {
 943         .dpms = drm_helper_connector_dpms,
 944         .detect = radeon_dvi_detect,
 945         .fill_modes = drm_helper_probe_single_connector_modes,
 946         .set_property = radeon_connector_set_property,
 947         .destroy = radeon_connector_destroy,
 948         .force = radeon_dvi_force,
 949 };
 950
 951 static void radeon_dp_connector_destroy(struct drm_connector *connector)
 952 {
 953         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 954         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 955
 956         if (radeon_connector->edid)
 957                 kfree(radeon_connector->edid);
 958         if (radeon_dig_connector->dp_i2c_bus)
 959                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
 960         kfree(radeon_connector->con_priv);
 961         drm_sysfs_connector_remove(connector);
 962         drm_connector_cleanup(connector);
 963         kfree(connector);
 964 }
 965
 966 static int radeon_dp_get_modes(struct drm_connector *connector)
 967 {
 968         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 969         int ret;
 970
 971         ret = radeon_ddc_get_modes(radeon_connector);
 972         return ret;
 973 }
 974
 975 static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
 976 {
 977         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 978         enum drm_connector_status ret = connector_status_disconnected;
 979         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 980         u8 sink_type;
 981
 982         if (radeon_connector->edid) {
 983                 kfree(radeon_connector->edid);
 984                 radeon_connector->edid = NULL;
 985         }
 986
 987         sink_type = radeon_dp_getsinktype(radeon_connector);
 988         if ((sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 989             (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
 990                 if (radeon_dp_getdpcd(radeon_connector)) {
 991                         radeon_dig_connector->dp_sink_type = sink_type;
 992                         ret = connector_status_connected;
 993                 }
 994         } else {
 995                 if (radeon_ddc_probe(radeon_connector)) {
 996                         radeon_dig_connector->dp_sink_type = sink_type;
 997                         ret = connector_status_connected;
 998                 }
 999         }
1000
1001         return ret;
1002 }
1003
1004 static int radeon_dp_mode_valid(struct drm_connector *connector,
1005                                   struct drm_display_mode *mode)
1006 {
1007         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1008         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1009
1010         /* XXX check mode bandwidth */
1011
1012         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1013             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1014                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1015         else
1016                 return MODE_OK;
1017 }
1018
1019 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1020         .get_modes = radeon_dp_get_modes,
1021         .mode_valid = radeon_dp_mode_valid,
1022         .best_encoder = radeon_dvi_encoder,
1023 };
1024
1025 struct drm_connector_funcs radeon_dp_connector_funcs = {
1026         .dpms = drm_helper_connector_dpms,
1027         .detect = radeon_dp_detect,
1028         .fill_modes = drm_helper_probe_single_connector_modes,
1029         .set_property = radeon_connector_set_property,
1030         .destroy = radeon_dp_connector_destroy,
1031         .force = radeon_dvi_force,
1032 };
1033
1034 void
1035 radeon_add_atom_connector(struct drm_device *dev,
1036                           uint32_t connector_id,
1037                           uint32_t supported_device,
1038                           int connector_type,
1039                           struct radeon_i2c_bus_rec *i2c_bus,
1040                           bool linkb,
1041                           uint32_t igp_lane_info,
1042                           uint16_t connector_object_id,
1043                           struct radeon_hpd *hpd)
1044 {
1045         struct radeon_device *rdev = dev->dev_private;
1046         struct drm_connector *connector;
1047         struct radeon_connector *radeon_connector;
1048         struct radeon_connector_atom_dig *radeon_dig_connector;
1049         uint32_t subpixel_order = SubPixelNone;
1050         bool shared_ddc = false;
1051
1052         /* fixme - tv/cv/din */
1053         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1054                 return;
1055
1056         /* see if we already added it */
1057         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1058                 radeon_connector = to_radeon_connector(connector);
1059                 if (radeon_connector->connector_id == connector_id) {
1060                         radeon_connector->devices |= supported_device;
1061                         return;
1062                 }
1063                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1064                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1065                                 radeon_connector->shared_ddc = true;
1066                                 shared_ddc = true;
1067                         }
1068                 }
1069         }
1070
1071         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1072         if (!radeon_connector)
1073                 return;
1074
1075         connector = &radeon_connector->base;
1076
1077         radeon_connector->connector_id = connector_id;
1078         radeon_connector->devices = supported_device;
1079         radeon_connector->shared_ddc = shared_ddc;
1080         radeon_connector->connector_object_id = connector_object_id;
1081         radeon_connector->hpd = *hpd;
1082         switch (connector_type) {
1083         case DRM_MODE_CONNECTOR_VGA:
1084                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1085                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1086                 if (i2c_bus->valid) {
1087                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1088                         if (!radeon_connector->ddc_bus)
1089                                 goto failed;
1090                 }
1091                 radeon_connector->dac_load_detect = true;
1092                 drm_connector_attach_property(&radeon_connector->base,
1093                                               rdev->mode_info.load_detect_property,
1094                                               1);
1095                 /* no HPD on analog connectors */
1096                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1097                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1098                 break;
1099         case DRM_MODE_CONNECTOR_DVIA:
1100                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1101                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1102                 if (i2c_bus->valid) {
1103                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1104                         if (!radeon_connector->ddc_bus)
1105                                 goto failed;
1106                 }
1107                 radeon_connector->dac_load_detect = true;
1108                 drm_connector_attach_property(&radeon_connector->base,
1109                                               rdev->mode_info.load_detect_property,
1110                                               1);
1111                 /* no HPD on analog connectors */
1112                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1113                 break;
1114         case DRM_MODE_CONNECTOR_DVII:
1115         case DRM_MODE_CONNECTOR_DVID:
1116                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1117                 if (!radeon_dig_connector)
1118                         goto failed;
1119                 radeon_dig_connector->linkb = linkb;
1120                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1121                 radeon_connector->con_priv = radeon_dig_connector;
1122                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1123                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1124                 if (i2c_bus->valid) {
1125                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1126                         if (!radeon_connector->ddc_bus)
1127                                 goto failed;
1128                 }
1129                 subpixel_order = SubPixelHorizontalRGB;
1130                 drm_connector_attach_property(&radeon_connector->base,
1131                                               rdev->mode_info.coherent_mode_property,
1132                                               1);
1133                 if (ASIC_IS_AVIVO(rdev))
1134                         drm_connector_attach_property(&radeon_connector->base,
1135                                                       rdev->mode_info.underscan_property,
1136                                                       UNDERSCAN_AUTO);
1137                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1138                         radeon_connector->dac_load_detect = true;
1139                         drm_connector_attach_property(&radeon_connector->base,
1140                                                       rdev->mode_info.load_detect_property,
1141                                                       1);
1142                 }
1143                 break;
1144         case DRM_MODE_CONNECTOR_HDMIA:
1145         case DRM_MODE_CONNECTOR_HDMIB:
1146                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1147                 if (!radeon_dig_connector)
1148                         goto failed;
1149                 radeon_dig_connector->linkb = linkb;
1150                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1151                 radeon_connector->con_priv = radeon_dig_connector;
1152                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1153                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1154                 if (i2c_bus->valid) {
1155                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1156                         if (!radeon_connector->ddc_bus)
1157                                 goto failed;
1158                 }
1159                 drm_connector_attach_property(&radeon_connector->base,
1160                                               rdev->mode_info.coherent_mode_property,
1161                                               1);
1162                 if (ASIC_IS_AVIVO(rdev))
1163                         drm_connector_attach_property(&radeon_connector->base,
1164                                                       rdev->mode_info.underscan_property,
1165                                                       UNDERSCAN_AUTO);
1166                 subpixel_order = SubPixelHorizontalRGB;
1167                 break;
1168         case DRM_MODE_CONNECTOR_DisplayPort:
1169         case DRM_MODE_CONNECTOR_eDP:
1170                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1171                 if (!radeon_dig_connector)
1172                         goto failed;
1173                 radeon_dig_connector->linkb = linkb;
1174                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1175                 radeon_connector->con_priv = radeon_dig_connector;
1176                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1177                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1178                 if (i2c_bus->valid) {
1179                         /* add DP i2c bus */
1180                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1181                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1182                         else
1183                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1184                         if (!radeon_dig_connector->dp_i2c_bus)
1185                                 goto failed;
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                 break;
1199         case DRM_MODE_CONNECTOR_SVIDEO:
1200         case DRM_MODE_CONNECTOR_Composite:
1201         case DRM_MODE_CONNECTOR_9PinDIN:
1202                 if (radeon_tv == 1) {
1203                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1204                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1205                         radeon_connector->dac_load_detect = true;
1206                         drm_connector_attach_property(&radeon_connector->base,
1207                                                       rdev->mode_info.load_detect_property,
1208                                                       1);
1209                         drm_connector_attach_property(&radeon_connector->base,
1210                                                       rdev->mode_info.tv_std_property,
1211                                                       radeon_atombios_get_tv_info(rdev));
1212                         /* no HPD on analog connectors */
1213                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1214                 }
1215                 break;
1216         case DRM_MODE_CONNECTOR_LVDS:
1217                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1218                 if (!radeon_dig_connector)
1219                         goto failed;
1220                 radeon_dig_connector->linkb = linkb;
1221                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1222                 radeon_connector->con_priv = radeon_dig_connector;
1223                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1224                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1225                 if (i2c_bus->valid) {
1226                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1227                         if (!radeon_connector->ddc_bus)
1228                                 goto failed;
1229                 }
1230                 drm_connector_attach_property(&radeon_connector->base,
1231                                               dev->mode_config.scaling_mode_property,
1232                                               DRM_MODE_SCALE_FULLSCREEN);
1233                 subpixel_order = SubPixelHorizontalRGB;
1234                 break;
1235         }
1236
1237         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1238                 if (i2c_bus->valid)
1239                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1240         } else
1241                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1242
1243         connector->display_info.subpixel_order = subpixel_order;
1244         drm_sysfs_connector_add(connector);
1245         return;
1246
1247 failed:
1248         drm_connector_cleanup(connector);
1249         kfree(connector);
1250 }
1251
1252 void
1253 radeon_add_legacy_connector(struct drm_device *dev,
1254                             uint32_t connector_id,
1255                             uint32_t supported_device,
1256                             int connector_type,
1257                             struct radeon_i2c_bus_rec *i2c_bus,
1258                             uint16_t connector_object_id,
1259                             struct radeon_hpd *hpd)
1260 {
1261         struct radeon_device *rdev = dev->dev_private;
1262         struct drm_connector *connector;
1263         struct radeon_connector *radeon_connector;
1264         uint32_t subpixel_order = SubPixelNone;
1265
1266         /* fixme - tv/cv/din */
1267         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1268                 return;
1269
1270         /* see if we already added it */
1271         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1272                 radeon_connector = to_radeon_connector(connector);
1273                 if (radeon_connector->connector_id == connector_id) {
1274                         radeon_connector->devices |= supported_device;
1275                         return;
1276                 }
1277         }
1278
1279         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1280         if (!radeon_connector)
1281                 return;
1282
1283         connector = &radeon_connector->base;
1284
1285         radeon_connector->connector_id = connector_id;
1286         radeon_connector->devices = supported_device;
1287         radeon_connector->connector_object_id = connector_object_id;
1288         radeon_connector->hpd = *hpd;
1289         switch (connector_type) {
1290         case DRM_MODE_CONNECTOR_VGA:
1291                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1292                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1293                 if (i2c_bus->valid) {
1294                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1295                         if (!radeon_connector->ddc_bus)
1296                                 goto failed;
1297                 }
1298                 radeon_connector->dac_load_detect = true;
1299                 drm_connector_attach_property(&radeon_connector->base,
1300                                               rdev->mode_info.load_detect_property,
1301                                               1);
1302                 /* no HPD on analog connectors */
1303                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1304                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1305                 break;
1306         case DRM_MODE_CONNECTOR_DVIA:
1307                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1308                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1309                 if (i2c_bus->valid) {
1310                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1311                         if (!radeon_connector->ddc_bus)
1312                                 goto failed;
1313                 }
1314                 radeon_connector->dac_load_detect = true;
1315                 drm_connector_attach_property(&radeon_connector->base,
1316                                               rdev->mode_info.load_detect_property,
1317                                               1);
1318                 /* no HPD on analog connectors */
1319                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1320                 break;
1321         case DRM_MODE_CONNECTOR_DVII:
1322         case DRM_MODE_CONNECTOR_DVID:
1323                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1324                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1325                 if (i2c_bus->valid) {
1326                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1327                         if (!radeon_connector->ddc_bus)
1328                                 goto failed;
1329                 }
1330                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1331                         radeon_connector->dac_load_detect = true;
1332                         drm_connector_attach_property(&radeon_connector->base,
1333                                                       rdev->mode_info.load_detect_property,
1334                                                       1);
1335                 }
1336                 subpixel_order = SubPixelHorizontalRGB;
1337                 break;
1338         case DRM_MODE_CONNECTOR_SVIDEO:
1339         case DRM_MODE_CONNECTOR_Composite:
1340         case DRM_MODE_CONNECTOR_9PinDIN:
1341                 if (radeon_tv == 1) {
1342                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1343                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1344                         radeon_connector->dac_load_detect = true;
1345                         /* RS400,RC410,RS480 chipset seems to report a lot
1346                          * of false positive on load detect, we haven't yet
1347                          * found a way to make load detect reliable on those
1348                          * chipset, thus just disable it for TV.
1349                          */
1350                         if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1351                                 radeon_connector->dac_load_detect = false;
1352                         drm_connector_attach_property(&radeon_connector->base,
1353                                                       rdev->mode_info.load_detect_property,
1354                                                       radeon_connector->dac_load_detect);
1355                         drm_connector_attach_property(&radeon_connector->base,
1356                                                       rdev->mode_info.tv_std_property,
1357                                                       radeon_combios_get_tv_info(rdev));
1358                         /* no HPD on analog connectors */
1359                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1360                 }
1361                 break;
1362         case DRM_MODE_CONNECTOR_LVDS:
1363                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1364                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1365                 if (i2c_bus->valid) {
1366                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1367                         if (!radeon_connector->ddc_bus)
1368                                 goto failed;
1369                 }
1370                 drm_connector_attach_property(&radeon_connector->base,
1371                                               dev->mode_config.scaling_mode_property,
1372                                               DRM_MODE_SCALE_FULLSCREEN);
1373                 subpixel_order = SubPixelHorizontalRGB;
1374                 break;
1375         }
1376
1377         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1378                 if (i2c_bus->valid)
1379                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1380         } else
1381                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1382         connector->display_info.subpixel_order = subpixel_order;
1383         drm_sysfs_connector_add(connector);
1384         return;
1385
1386 failed:
1387         drm_connector_cleanup(connector);
1388         kfree(connector);
1389 }