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         int i;
 166
 167         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 168                 if (conflict == connector)
 169                         continue;
 170
 171                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 172                         if (conflict->encoder_ids[i] == 0)
 173                                 break;
 174
 175                         /* if the IDs match */
 176                         if (conflict->encoder_ids[i] == encoder->base.id) {
 177                                 if (conflict->status != connector_status_connected)
 178                                         continue;
 179
 180                                 if (priority == true) {
 181                                         DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 182                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
 183                                         conflict->status = connector_status_disconnected;
 184                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 185                                 } else {
 186                                         DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 187                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
 188                                         current_status = connector_status_disconnected;
 189                                 }
 190                                 break;
 191                         }
 192                 }
 193         }
 194         return current_status;
 195
 196 }
 197
 198 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 199 {
 200         struct drm_device *dev = encoder->dev;
 201         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 202         struct drm_display_mode *mode = NULL;
 203         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 204
 205         if (native_mode->hdisplay != 0 &&
 206             native_mode->vdisplay != 0 &&
 207             native_mode->clock != 0) {
 208                 mode = drm_mode_duplicate(dev, native_mode);
 209                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 210                 drm_mode_set_name(mode);
 211
 212                 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
 213         } else if (native_mode->hdisplay != 0 &&
 214                    native_mode->vdisplay != 0) {
 215                 /* mac laptops without an edid */
 216                 /* Note that this is not necessarily the exact panel mode,
 217                  * but an approximation based on the cvt formula.  For these
 218                  * systems we should ideally read the mode info out of the
 219                  * registers or add a mode table, but this works and is much
 220                  * simpler.
 221                  */
 222                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 223                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 224                 DRM_DEBUG("Adding cvt approximation of native panel mode %s\n", mode->name);
 225         }
 226         return mode;
 227 }
 228
 229 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 230 {
 231         struct drm_device *dev = encoder->dev;
 232         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 233         struct drm_display_mode *mode = NULL;
 234         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 235         int i;
 236         struct mode_size {
 237                 int w;
 238                 int h;
 239         } common_modes[17] = {
 240                 { 640,  480},
 241                 { 720,  480},
 242                 { 800,  600},
 243                 { 848,  480},
 244                 {1024,  768},
 245                 {1152,  768},
 246                 {1280,  720},
 247                 {1280,  800},
 248                 {1280,  854},
 249                 {1280,  960},
 250                 {1280, 1024},
 251                 {1440,  900},
 252                 {1400, 1050},
 253                 {1680, 1050},
 254                 {1600, 1200},
 255                 {1920, 1080},
 256                 {1920, 1200}
 257         };
 258
 259         for (i = 0; i < 17; i++) {
 260                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 261                         if (common_modes[i].w > 1024 ||
 262                             common_modes[i].h > 768)
 263                                 continue;
 264                 }
 265                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 266                         if (common_modes[i].w > native_mode->hdisplay ||
 267                             common_modes[i].h > native_mode->vdisplay ||
 268                             (common_modes[i].w == native_mode->hdisplay &&
 269                              common_modes[i].h == native_mode->vdisplay))
 270                                 continue;
 271                 }
 272                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 273                         continue;
 274
 275                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 276                 drm_mode_probed_add(connector, mode);
 277         }
 278 }
 279
 280 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 281                                   uint64_t val)
 282 {
 283         struct drm_device *dev = connector->dev;
 284         struct radeon_device *rdev = dev->dev_private;
 285         struct drm_encoder *encoder;
 286         struct radeon_encoder *radeon_encoder;
 287
 288         if (property == rdev->mode_info.coherent_mode_property) {
 289                 struct radeon_encoder_atom_dig *dig;
 290
 291                 /* need to find digital encoder on connector */
 292                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 293                 if (!encoder)
 294                         return 0;
 295
 296                 radeon_encoder = to_radeon_encoder(encoder);
 297
 298                 if (!radeon_encoder->enc_priv)
 299                         return 0;
 300
 301                 dig = radeon_encoder->enc_priv;
 302                 dig->coherent_mode = val ? true : false;
 303                 radeon_property_change_mode(&radeon_encoder->base);
 304         }
 305
 306         if (property == rdev->mode_info.tv_std_property) {
 307                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 308                 if (!encoder) {
 309                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 310                 }
 311
 312                 if (!encoder)
 313                         return 0;
 314
 315                 radeon_encoder = to_radeon_encoder(encoder);
 316                 if (!radeon_encoder->enc_priv)
 317                         return 0;
 318                 if (rdev->is_atom_bios) {
 319                         struct radeon_encoder_atom_dac *dac_int;
 320                         dac_int = radeon_encoder->enc_priv;
 321                         dac_int->tv_std = val;
 322                 } else {
 323                         struct radeon_encoder_tv_dac *dac_int;
 324                         dac_int = radeon_encoder->enc_priv;
 325                         dac_int->tv_std = val;
 326                 }
 327                 radeon_property_change_mode(&radeon_encoder->base);
 328         }
 329
 330         if (property == rdev->mode_info.load_detect_property) {
 331                 struct radeon_connector *radeon_connector =
 332                         to_radeon_connector(connector);
 333
 334                 if (val == 0)
 335                         radeon_connector->dac_load_detect = false;
 336                 else
 337                         radeon_connector->dac_load_detect = true;
 338         }
 339
 340         if (property == rdev->mode_info.tmds_pll_property) {
 341                 struct radeon_encoder_int_tmds *tmds = NULL;
 342                 bool ret = false;
 343                 /* need to find digital encoder on connector */
 344                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 345                 if (!encoder)
 346                         return 0;
 347
 348                 radeon_encoder = to_radeon_encoder(encoder);
 349
 350                 tmds = radeon_encoder->enc_priv;
 351                 if (!tmds)
 352                         return 0;
 353
 354                 if (val == 0) {
 355                         if (rdev->is_atom_bios)
 356                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 357                         else
 358                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 359                 }
 360                 if (val == 1 || ret == false) {
 361                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 362                 }
 363                 radeon_property_change_mode(&radeon_encoder->base);
 364         }
 365
 366         return 0;
 367 }
 368
 369 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 370                                           struct drm_connector *connector)
 371 {
 372         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 373         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 374
 375         /* Try to get native mode details from EDID if necessary */
 376         if (!native_mode->clock) {
 377                 struct drm_display_mode *t, *mode;
 378
 379                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 380                         if (mode->hdisplay == native_mode->hdisplay &&
 381                             mode->vdisplay == native_mode->vdisplay) {
 382                                 *native_mode = *mode;
 383                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 384                                 DRM_INFO("Determined LVDS native mode details from EDID\n");
 385                                 break;
 386                         }
 387                 }
 388         }
 389         if (!native_mode->clock) {
 390                 DRM_INFO("No LVDS native mode details, disabling RMX\n");
 391                 radeon_encoder->rmx_type = RMX_OFF;
 392         }
 393 }
 394
 395 static int radeon_lvds_get_modes(struct drm_connector *connector)
 396 {
 397         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 398         struct drm_encoder *encoder;
 399         int ret = 0;
 400         struct drm_display_mode *mode;
 401
 402         if (radeon_connector->ddc_bus) {
 403                 ret = radeon_ddc_get_modes(radeon_connector);
 404                 if (ret > 0) {
 405                         encoder = radeon_best_single_encoder(connector);
 406                         if (encoder) {
 407                                 radeon_fixup_lvds_native_mode(encoder, connector);
 408                                 /* add scaled modes */
 409                                 radeon_add_common_modes(encoder, connector);
 410                         }
 411                         return ret;
 412                 }
 413         }
 414
 415         encoder = radeon_best_single_encoder(connector);
 416         if (!encoder)
 417                 return 0;
 418
 419         /* we have no EDID modes */
 420         mode = radeon_fp_native_mode(encoder);
 421         if (mode) {
 422                 ret = 1;
 423                 drm_mode_probed_add(connector, mode);
 424                 /* add scaled modes */
 425                 radeon_add_common_modes(encoder, connector);
 426         }
 427
 428         return ret;
 429 }
 430
 431 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 432                                   struct drm_display_mode *mode)
 433 {
 434         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 435
 436         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 437                 return MODE_PANEL;
 438
 439         if (encoder) {
 440                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 441                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 442
 443                 /* AVIVO hardware supports downscaling modes larger than the panel
 444                  * to the panel size, but I'm not sure this is desirable.
 445                  */
 446                 if ((mode->hdisplay > native_mode->hdisplay) ||
 447                     (mode->vdisplay > native_mode->vdisplay))
 448                         return MODE_PANEL;
 449
 450                 /* if scaling is disabled, block non-native modes */
 451                 if (radeon_encoder->rmx_type == RMX_OFF) {
 452                         if ((mode->hdisplay != native_mode->hdisplay) ||
 453                             (mode->vdisplay != native_mode->vdisplay))
 454                                 return MODE_PANEL;
 455                 }
 456         }
 457
 458         return MODE_OK;
 459 }
 460
 461 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
 462 {
 463         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 464         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 465         enum drm_connector_status ret = connector_status_disconnected;
 466
 467         if (encoder) {
 468                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 469                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 470
 471                 /* check if panel is valid */
 472                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 473                         ret = connector_status_connected;
 474
 475         }
 476
 477         /* check for edid as well */
 478         if (radeon_connector->edid)
 479                 ret = connector_status_connected;
 480         else {
 481                 if (radeon_connector->ddc_bus) {
 482                         radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 483                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 484                                                               &radeon_connector->ddc_bus->adapter);
 485                         radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 486                         if (radeon_connector->edid)
 487                                 ret = connector_status_connected;
 488                 }
 489         }
 490         /* check acpi lid status ??? */
 491
 492         radeon_connector_update_scratch_regs(connector, ret);
 493         return ret;
 494 }
 495
 496 static void radeon_connector_destroy(struct drm_connector *connector)
 497 {
 498         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 499
 500         if (radeon_connector->ddc_bus)
 501                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 502         if (radeon_connector->edid)
 503                 kfree(radeon_connector->edid);
 504         kfree(radeon_connector->con_priv);
 505         drm_sysfs_connector_remove(connector);
 506         drm_connector_cleanup(connector);
 507         kfree(connector);
 508 }
 509
 510 static int radeon_lvds_set_property(struct drm_connector *connector,
 511                                     struct drm_property *property,
 512                                     uint64_t value)
 513 {
 514         struct drm_device *dev = connector->dev;
 515         struct radeon_encoder *radeon_encoder;
 516         enum radeon_rmx_type rmx_type;
 517
 518         DRM_DEBUG("\n");
 519         if (property != dev->mode_config.scaling_mode_property)
 520                 return 0;
 521
 522         if (connector->encoder)
 523                 radeon_encoder = to_radeon_encoder(connector->encoder);
 524         else {
 525                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 526                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 527         }
 528
 529         switch (value) {
 530         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 531         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 532         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 533         default:
 534         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 535         }
 536         if (radeon_encoder->rmx_type == rmx_type)
 537                 return 0;
 538
 539         radeon_encoder->rmx_type = rmx_type;
 540
 541         radeon_property_change_mode(&radeon_encoder->base);
 542         return 0;
 543 }
 544
 545
 546 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 547         .get_modes = radeon_lvds_get_modes,
 548         .mode_valid = radeon_lvds_mode_valid,
 549         .best_encoder = radeon_best_single_encoder,
 550 };
 551
 552 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 553         .dpms = drm_helper_connector_dpms,
 554         .detect = radeon_lvds_detect,
 555         .fill_modes = drm_helper_probe_single_connector_modes,
 556         .destroy = radeon_connector_destroy,
 557         .set_property = radeon_lvds_set_property,
 558 };
 559
 560 static int radeon_vga_get_modes(struct drm_connector *connector)
 561 {
 562         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 563         int ret;
 564
 565         ret = radeon_ddc_get_modes(radeon_connector);
 566
 567         return ret;
 568 }
 569
 570 static int radeon_vga_mode_valid(struct drm_connector *connector,
 571                                   struct drm_display_mode *mode)
 572 {
 573         /* XXX check mode bandwidth */
 574         /* XXX verify against max DAC output frequency */
 575         return MODE_OK;
 576 }
 577
 578 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
 579 {
 580         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 581         struct drm_encoder *encoder;
 582         struct drm_encoder_helper_funcs *encoder_funcs;
 583         bool dret = false;
 584         enum drm_connector_status ret = connector_status_disconnected;
 585
 586         encoder = radeon_best_single_encoder(connector);
 587         if (!encoder)
 588                 ret = connector_status_disconnected;
 589
 590         if (radeon_connector->ddc_bus) {
 591                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 592                 dret = radeon_ddc_probe(radeon_connector);
 593                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 594         }
 595         if (dret) {
 596                 if (radeon_connector->edid) {
 597                         kfree(radeon_connector->edid);
 598                         radeon_connector->edid = NULL;
 599                 }
 600                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 601                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 602                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 603
 604                 if (!radeon_connector->edid) {
 605                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 606                                         drm_get_connector_name(connector));
 607                         ret = connector_status_connected;
 608                 } else {
 609                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 610
 611                         /* some oems have boards with separate digital and analog connectors
 612                          * with a shared ddc line (often vga + hdmi)
 613                          */
 614                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 615                                 kfree(radeon_connector->edid);
 616                                 radeon_connector->edid = NULL;
 617                                 ret = connector_status_disconnected;
 618                         } else
 619                                 ret = connector_status_connected;
 620                 }
 621         } else {
 622                 if (radeon_connector->dac_load_detect && encoder) {
 623                         encoder_funcs = encoder->helper_private;
 624                         ret = encoder_funcs->detect(encoder, connector);
 625                 }
 626         }
 627
 628         if (ret == connector_status_connected)
 629                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 630         radeon_connector_update_scratch_regs(connector, ret);
 631         return ret;
 632 }
 633
 634 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 635         .get_modes = radeon_vga_get_modes,
 636         .mode_valid = radeon_vga_mode_valid,
 637         .best_encoder = radeon_best_single_encoder,
 638 };
 639
 640 struct drm_connector_funcs radeon_vga_connector_funcs = {
 641         .dpms = drm_helper_connector_dpms,
 642         .detect = radeon_vga_detect,
 643         .fill_modes = drm_helper_probe_single_connector_modes,
 644         .destroy = radeon_connector_destroy,
 645         .set_property = radeon_connector_set_property,
 646 };
 647
 648 static int radeon_tv_get_modes(struct drm_connector *connector)
 649 {
 650         struct drm_device *dev = connector->dev;
 651         struct radeon_device *rdev = dev->dev_private;
 652         struct drm_display_mode *tv_mode;
 653         struct drm_encoder *encoder;
 654
 655         encoder = radeon_best_single_encoder(connector);
 656         if (!encoder)
 657                 return 0;
 658
 659         /* avivo chips can scale any mode */
 660         if (rdev->family >= CHIP_RS600)
 661                 /* add scaled modes */
 662                 radeon_add_common_modes(encoder, connector);
 663         else {
 664                 /* only 800x600 is supported right now on pre-avivo chips */
 665                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 666                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 667                 drm_mode_probed_add(connector, tv_mode);
 668         }
 669         return 1;
 670 }
 671
 672 static int radeon_tv_mode_valid(struct drm_connector *connector,
 673                                 struct drm_display_mode *mode)
 674 {
 675         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 676                 return MODE_CLOCK_RANGE;
 677         return MODE_OK;
 678 }
 679
 680 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
 681 {
 682         struct drm_encoder *encoder;
 683         struct drm_encoder_helper_funcs *encoder_funcs;
 684         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 685         enum drm_connector_status ret = connector_status_disconnected;
 686
 687         if (!radeon_connector->dac_load_detect)
 688                 return ret;
 689
 690         encoder = radeon_best_single_encoder(connector);
 691         if (!encoder)
 692                 ret = connector_status_disconnected;
 693         else {
 694                 encoder_funcs = encoder->helper_private;
 695                 ret = encoder_funcs->detect(encoder, connector);
 696         }
 697         if (ret == connector_status_connected)
 698                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 699         radeon_connector_update_scratch_regs(connector, ret);
 700         return ret;
 701 }
 702
 703 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 704         .get_modes = radeon_tv_get_modes,
 705         .mode_valid = radeon_tv_mode_valid,
 706         .best_encoder = radeon_best_single_encoder,
 707 };
 708
 709 struct drm_connector_funcs radeon_tv_connector_funcs = {
 710         .dpms = drm_helper_connector_dpms,
 711         .detect = radeon_tv_detect,
 712         .fill_modes = drm_helper_probe_single_connector_modes,
 713         .destroy = radeon_connector_destroy,
 714         .set_property = radeon_connector_set_property,
 715 };
 716
 717 static int radeon_dvi_get_modes(struct drm_connector *connector)
 718 {
 719         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 720         int ret;
 721
 722         ret = radeon_ddc_get_modes(radeon_connector);
 723         return ret;
 724 }
 725
 726 /*
 727  * DVI is complicated
 728  * Do a DDC probe, if DDC probe passes, get the full EDID so
 729  * we can do analog/digital monitor detection at this point.
 730  * If the monitor is an analog monitor or we got no DDC,
 731  * we need to find the DAC encoder object for this connector.
 732  * If we got no DDC, we do load detection on the DAC encoder object.
 733  * If we got analog DDC or load detection passes on the DAC encoder
 734  * we have to check if this analog encoder is shared with anyone else (TV)
 735  * if its shared we have to set the other connector to disconnected.
 736  */
 737 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
 738 {
 739         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 740         struct drm_encoder *encoder = NULL;
 741         struct drm_encoder_helper_funcs *encoder_funcs;
 742         struct drm_mode_object *obj;
 743         int i;
 744         enum drm_connector_status ret = connector_status_disconnected;
 745         bool dret = false;
 746
 747         if (radeon_connector->ddc_bus) {
 748                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 749                 dret = radeon_ddc_probe(radeon_connector);
 750                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 751         }
 752         if (dret) {
 753                 if (radeon_connector->edid) {
 754                         kfree(radeon_connector->edid);
 755                         radeon_connector->edid = NULL;
 756                 }
 757                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 758                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 759                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 760
 761                 if (!radeon_connector->edid) {
 762                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 763                                         drm_get_connector_name(connector));
 764                 } else {
 765                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 766
 767                         /* some oems have boards with separate digital and analog connectors
 768                          * with a shared ddc line (often vga + hdmi)
 769                          */
 770                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 771                                 kfree(radeon_connector->edid);
 772                                 radeon_connector->edid = NULL;
 773                                 ret = connector_status_disconnected;
 774                         } else
 775                                 ret = connector_status_connected;
 776
 777                         /* multiple connectors on the same encoder with the same ddc line
 778                          * This tends to be HDMI and DVI on the same encoder with the
 779                          * same ddc line.  If the edid says HDMI, consider the HDMI port
 780                          * connected and the DVI port disconnected.  If the edid doesn't
 781                          * say HDMI, vice versa.
 782                          */
 783                         if (radeon_connector->shared_ddc && connector_status_connected) {
 784                                 struct drm_device *dev = connector->dev;
 785                                 struct drm_connector *list_connector;
 786                                 struct radeon_connector *list_radeon_connector;
 787                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 788                                         if (connector == list_connector)
 789                                                 continue;
 790                                         list_radeon_connector = to_radeon_connector(list_connector);
 791                                         if (radeon_connector->devices == list_radeon_connector->devices) {
 792                                                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 793                                                         if (connector->connector_type == DRM_MODE_CONNECTOR_DVID) {
 794                                                                 kfree(radeon_connector->edid);
 795                                                                 radeon_connector->edid = NULL;
 796                                                                 ret = connector_status_disconnected;
 797                                                         }
 798                                                 } else {
 799                                                         if ((connector->connector_type == DRM_MODE_CONNECTOR_HDMIA) ||
 800                                                             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)) {
 801                                                                 kfree(radeon_connector->edid);
 802                                                                 radeon_connector->edid = NULL;
 803                                                                 ret = connector_status_disconnected;
 804                                                         }
 805                                                 }
 806                                         }
 807                                 }
 808                         }
 809                 }
 810         }
 811
 812         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 813                 goto out;
 814
 815         /* find analog encoder */
 816         if (radeon_connector->dac_load_detect) {
 817                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 818                         if (connector->encoder_ids[i] == 0)
 819                                 break;
 820
 821                         obj = drm_mode_object_find(connector->dev,
 822                                                    connector->encoder_ids[i],
 823                                                    DRM_MODE_OBJECT_ENCODER);
 824                         if (!obj)
 825                                 continue;
 826
 827                         encoder = obj_to_encoder(obj);
 828
 829                         encoder_funcs = encoder->helper_private;
 830                         if (encoder_funcs->detect) {
 831                                 if (ret != connector_status_connected) {
 832                                         ret = encoder_funcs->detect(encoder, connector);
 833                                         if (ret == connector_status_connected) {
 834                                                 radeon_connector->use_digital = false;
 835                                         }
 836                                 }
 837                                 break;
 838                         }
 839                 }
 840         }
 841
 842         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 843             encoder) {
 844                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 845         }
 846
 847 out:
 848         /* updated in get modes as well since we need to know if it's analog or digital */
 849         radeon_connector_update_scratch_regs(connector, ret);
 850         return ret;
 851 }
 852
 853 /* okay need to be smart in here about which encoder to pick */
 854 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 855 {
 856         int enc_id = connector->encoder_ids[0];
 857         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 858         struct drm_mode_object *obj;
 859         struct drm_encoder *encoder;
 860         int i;
 861         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 862                 if (connector->encoder_ids[i] == 0)
 863                         break;
 864
 865                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 866                 if (!obj)
 867                         continue;
 868
 869                 encoder = obj_to_encoder(obj);
 870
 871                 if (radeon_connector->use_digital == true) {
 872                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 873                                 return encoder;
 874                 } else {
 875                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 876                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 877                                 return encoder;
 878                 }
 879         }
 880
 881         /* see if we have a default encoder  TODO */
 882
 883         /* then check use digitial */
 884         /* pick the first one */
 885         if (enc_id) {
 886                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 887                 if (!obj)
 888                         return NULL;
 889                 encoder = obj_to_encoder(obj);
 890                 return encoder;
 891         }
 892         return NULL;
 893 }
 894
 895 static void radeon_dvi_force(struct drm_connector *connector)
 896 {
 897         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 898         if (connector->force == DRM_FORCE_ON)
 899                 radeon_connector->use_digital = false;
 900         if (connector->force == DRM_FORCE_ON_DIGITAL)
 901                 radeon_connector->use_digital = true;
 902 }
 903
 904 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 905                                   struct drm_display_mode *mode)
 906 {
 907         struct drm_device *dev = connector->dev;
 908         struct radeon_device *rdev = dev->dev_private;
 909         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 910
 911         /* XXX check mode bandwidth */
 912
 913         /* clocks over 135 MHz have heat issues with DVI on RV100 */
 914         if (radeon_connector->use_digital &&
 915             (rdev->family == CHIP_RV100) &&
 916             (mode->clock > 135000))
 917                 return MODE_CLOCK_HIGH;
 918
 919         if (radeon_connector->use_digital && (mode->clock > 165000)) {
 920                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 921                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
 922                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
 923                         return MODE_OK;
 924                 else
 925                         return MODE_CLOCK_HIGH;
 926         }
 927         return MODE_OK;
 928 }
 929
 930 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
 931         .get_modes = radeon_dvi_get_modes,
 932         .mode_valid = radeon_dvi_mode_valid,
 933         .best_encoder = radeon_dvi_encoder,
 934 };
 935
 936 struct drm_connector_funcs radeon_dvi_connector_funcs = {
 937         .dpms = drm_helper_connector_dpms,
 938         .detect = radeon_dvi_detect,
 939         .fill_modes = drm_helper_probe_single_connector_modes,
 940         .set_property = radeon_connector_set_property,
 941         .destroy = radeon_connector_destroy,
 942         .force = radeon_dvi_force,
 943 };
 944
 945 static void radeon_dp_connector_destroy(struct drm_connector *connector)
 946 {
 947         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 948         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 949
 950         if (radeon_connector->ddc_bus)
 951                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 952         if (radeon_connector->edid)
 953                 kfree(radeon_connector->edid);
 954         if (radeon_dig_connector->dp_i2c_bus)
 955                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
 956         kfree(radeon_connector->con_priv);
 957         drm_sysfs_connector_remove(connector);
 958         drm_connector_cleanup(connector);
 959         kfree(connector);
 960 }
 961
 962 static int radeon_dp_get_modes(struct drm_connector *connector)
 963 {
 964         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 965         int ret;
 966
 967         ret = radeon_ddc_get_modes(radeon_connector);
 968         return ret;
 969 }
 970
 971 static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
 972 {
 973         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 974         enum drm_connector_status ret = connector_status_disconnected;
 975         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 976         u8 sink_type;
 977
 978         if (radeon_connector->edid) {
 979                 kfree(radeon_connector->edid);
 980                 radeon_connector->edid = NULL;
 981         }
 982
 983         sink_type = radeon_dp_getsinktype(radeon_connector);
 984         if ((sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 985             (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
 986                 if (radeon_dp_getdpcd(radeon_connector)) {
 987                         radeon_dig_connector->dp_sink_type = sink_type;
 988                         ret = connector_status_connected;
 989                 }
 990         } else {
 991                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 992                 if (radeon_ddc_probe(radeon_connector)) {
 993                         radeon_dig_connector->dp_sink_type = sink_type;
 994                         ret = connector_status_connected;
 995                 }
 996                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 997         }
 998
 999         return ret;
1000 }
1001
1002 static int radeon_dp_mode_valid(struct drm_connector *connector,
1003                                   struct drm_display_mode *mode)
1004 {
1005         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1006         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1007
1008         /* XXX check mode bandwidth */
1009
1010         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1011             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1012                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1013         else
1014                 return MODE_OK;
1015 }
1016
1017 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1018         .get_modes = radeon_dp_get_modes,
1019         .mode_valid = radeon_dp_mode_valid,
1020         .best_encoder = radeon_dvi_encoder,
1021 };
1022
1023 struct drm_connector_funcs radeon_dp_connector_funcs = {
1024         .dpms = drm_helper_connector_dpms,
1025         .detect = radeon_dp_detect,
1026         .fill_modes = drm_helper_probe_single_connector_modes,
1027         .set_property = radeon_connector_set_property,
1028         .destroy = radeon_dp_connector_destroy,
1029         .force = radeon_dvi_force,
1030 };
1031
1032 void
1033 radeon_add_atom_connector(struct drm_device *dev,
1034                           uint32_t connector_id,
1035                           uint32_t supported_device,
1036                           int connector_type,
1037                           struct radeon_i2c_bus_rec *i2c_bus,
1038                           bool linkb,
1039                           uint32_t igp_lane_info,
1040                           uint16_t connector_object_id,
1041                           struct radeon_hpd *hpd)
1042 {
1043         struct radeon_device *rdev = dev->dev_private;
1044         struct drm_connector *connector;
1045         struct radeon_connector *radeon_connector;
1046         struct radeon_connector_atom_dig *radeon_dig_connector;
1047         uint32_t subpixel_order = SubPixelNone;
1048         bool shared_ddc = false;
1049         int ret;
1050
1051         /* fixme - tv/cv/din */
1052         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1053                 return;
1054
1055         /* see if we already added it */
1056         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1057                 radeon_connector = to_radeon_connector(connector);
1058                 if (radeon_connector->connector_id == connector_id) {
1059                         radeon_connector->devices |= supported_device;
1060                         return;
1061                 }
1062                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1063                         if (memcmp(&radeon_connector->ddc_bus->rec, i2c_bus,
1064                                     sizeof(struct radeon_i2c_bus_rec)) == 0) {
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                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1086                 if (ret)
1087                         goto failed;
1088                 if (i2c_bus->valid) {
1089                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1090                         if (!radeon_connector->ddc_bus)
1091                                 goto failed;
1092                 }
1093                 radeon_connector->dac_load_detect = true;
1094                 drm_connector_attach_property(&radeon_connector->base,
1095                                               rdev->mode_info.load_detect_property,
1096                                               1);
1097                 break;
1098         case DRM_MODE_CONNECTOR_DVIA:
1099                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1100                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1101                 if (ret)
1102                         goto failed;
1103                 if (i2c_bus->valid) {
1104                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1105                         if (!radeon_connector->ddc_bus)
1106                                 goto failed;
1107                 }
1108                 radeon_connector->dac_load_detect = true;
1109                 drm_connector_attach_property(&radeon_connector->base,
1110                                               rdev->mode_info.load_detect_property,
1111                                               1);
1112                 break;
1113         case DRM_MODE_CONNECTOR_DVII:
1114         case DRM_MODE_CONNECTOR_DVID:
1115                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1116                 if (!radeon_dig_connector)
1117                         goto failed;
1118                 radeon_dig_connector->linkb = linkb;
1119                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1120                 radeon_connector->con_priv = radeon_dig_connector;
1121                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1122                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1123                 if (ret)
1124                         goto failed;
1125                 if (i2c_bus->valid) {
1126                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1127                         if (!radeon_connector->ddc_bus)
1128                                 goto failed;
1129                 }
1130                 subpixel_order = SubPixelHorizontalRGB;
1131                 drm_connector_attach_property(&radeon_connector->base,
1132                                               rdev->mode_info.coherent_mode_property,
1133                                               1);
1134                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1135                         radeon_connector->dac_load_detect = true;
1136                         drm_connector_attach_property(&radeon_connector->base,
1137                                                       rdev->mode_info.load_detect_property,
1138                                                       1);
1139                 }
1140                 break;
1141         case DRM_MODE_CONNECTOR_HDMIA:
1142         case DRM_MODE_CONNECTOR_HDMIB:
1143                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1144                 if (!radeon_dig_connector)
1145                         goto failed;
1146                 radeon_dig_connector->linkb = linkb;
1147                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1148                 radeon_connector->con_priv = radeon_dig_connector;
1149                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1150                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1151                 if (ret)
1152                         goto failed;
1153                 if (i2c_bus->valid) {
1154                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
1155                         if (!radeon_connector->ddc_bus)
1156                                 goto failed;
1157                 }
1158                 drm_connector_attach_property(&radeon_connector->base,
1159                                               rdev->mode_info.coherent_mode_property,
1160                                               1);
1161                 subpixel_order = SubPixelHorizontalRGB;
1162                 break;
1163         case DRM_MODE_CONNECTOR_DisplayPort:
1164         case DRM_MODE_CONNECTOR_eDP:
1165                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1166                 if (!radeon_dig_connector)
1167                         goto failed;
1168                 radeon_dig_connector->linkb = linkb;
1169                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1170                 radeon_connector->con_priv = radeon_dig_connector;
1171                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1172                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1173                 if (ret)
1174                         goto failed;
1175                 if (i2c_bus->valid) {
1176                         /* add DP i2c bus */
1177                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1178                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1179                         else
1180                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1181                         if (!radeon_dig_connector->dp_i2c_bus)
1182                                 goto failed;
1183                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1184                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "eDP");
1185                         else
1186                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
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                 break;
1195         case DRM_MODE_CONNECTOR_SVIDEO:
1196         case DRM_MODE_CONNECTOR_Composite:
1197         case DRM_MODE_CONNECTOR_9PinDIN:
1198                 if (radeon_tv == 1) {
1199                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1200                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1201                         if (ret)
1202                                 goto failed;
1203                         radeon_connector->dac_load_detect = true;
1204                         drm_connector_attach_property(&radeon_connector->base,
1205                                                       rdev->mode_info.load_detect_property,
1206                                                       1);
1207                         drm_connector_attach_property(&radeon_connector->base,
1208                                                       rdev->mode_info.tv_std_property,
1209                                                       radeon_atombios_get_tv_info(rdev));
1210                 }
1211                 break;
1212         case DRM_MODE_CONNECTOR_LVDS:
1213                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1214                 if (!radeon_dig_connector)
1215                         goto failed;
1216                 radeon_dig_connector->linkb = linkb;
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_lvds_connector_funcs, connector_type);
1220                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1221                 if (ret)
1222                         goto failed;
1223                 if (i2c_bus->valid) {
1224                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1225                         if (!radeon_connector->ddc_bus)
1226                                 goto failed;
1227                 }
1228                 drm_connector_attach_property(&radeon_connector->base,
1229                                               dev->mode_config.scaling_mode_property,
1230                                               DRM_MODE_SCALE_FULLSCREEN);
1231                 subpixel_order = SubPixelHorizontalRGB;
1232                 break;
1233         }
1234
1235         connector->display_info.subpixel_order = subpixel_order;
1236         drm_sysfs_connector_add(connector);
1237         return;
1238
1239 failed:
1240         if (radeon_connector->ddc_bus)
1241                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1242         drm_connector_cleanup(connector);
1243         kfree(connector);
1244 }
1245
1246 void
1247 radeon_add_legacy_connector(struct drm_device *dev,
1248                             uint32_t connector_id,
1249                             uint32_t supported_device,
1250                             int connector_type,
1251                             struct radeon_i2c_bus_rec *i2c_bus,
1252                             uint16_t connector_object_id,
1253                             struct radeon_hpd *hpd)
1254 {
1255         struct radeon_device *rdev = dev->dev_private;
1256         struct drm_connector *connector;
1257         struct radeon_connector *radeon_connector;
1258         uint32_t subpixel_order = SubPixelNone;
1259         int ret;
1260
1261         /* fixme - tv/cv/din */
1262         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1263                 return;
1264
1265         /* see if we already added it */
1266         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1267                 radeon_connector = to_radeon_connector(connector);
1268                 if (radeon_connector->connector_id == connector_id) {
1269                         radeon_connector->devices |= supported_device;
1270                         return;
1271                 }
1272         }
1273
1274         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1275         if (!radeon_connector)
1276                 return;
1277
1278         connector = &radeon_connector->base;
1279
1280         radeon_connector->connector_id = connector_id;
1281         radeon_connector->devices = supported_device;
1282         radeon_connector->connector_object_id = connector_object_id;
1283         radeon_connector->hpd = *hpd;
1284         switch (connector_type) {
1285         case DRM_MODE_CONNECTOR_VGA:
1286                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1287                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1288                 if (ret)
1289                         goto failed;
1290                 if (i2c_bus->valid) {
1291                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1292                         if (!radeon_connector->ddc_bus)
1293                                 goto failed;
1294                 }
1295                 radeon_connector->dac_load_detect = true;
1296                 drm_connector_attach_property(&radeon_connector->base,
1297                                               rdev->mode_info.load_detect_property,
1298                                               1);
1299                 break;
1300         case DRM_MODE_CONNECTOR_DVIA:
1301                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1302                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1303                 if (ret)
1304                         goto failed;
1305                 if (i2c_bus->valid) {
1306                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1307                         if (!radeon_connector->ddc_bus)
1308                                 goto failed;
1309                 }
1310                 radeon_connector->dac_load_detect = true;
1311                 drm_connector_attach_property(&radeon_connector->base,
1312                                               rdev->mode_info.load_detect_property,
1313                                               1);
1314                 break;
1315         case DRM_MODE_CONNECTOR_DVII:
1316         case DRM_MODE_CONNECTOR_DVID:
1317                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1318                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1319                 if (ret)
1320                         goto failed;
1321                 if (i2c_bus->valid) {
1322                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1323                         if (!radeon_connector->ddc_bus)
1324                                 goto failed;
1325                         radeon_connector->dac_load_detect = true;
1326                         drm_connector_attach_property(&radeon_connector->base,
1327                                                       rdev->mode_info.load_detect_property,
1328                                                       1);
1329                 }
1330                 subpixel_order = SubPixelHorizontalRGB;
1331                 break;
1332         case DRM_MODE_CONNECTOR_SVIDEO:
1333         case DRM_MODE_CONNECTOR_Composite:
1334         case DRM_MODE_CONNECTOR_9PinDIN:
1335                 if (radeon_tv == 1) {
1336                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1337                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1338                         if (ret)
1339                                 goto failed;
1340                         radeon_connector->dac_load_detect = true;
1341                         /* RS400,RC410,RS480 chipset seems to report a lot
1342                          * of false positive on load detect, we haven't yet
1343                          * found a way to make load detect reliable on those
1344                          * chipset, thus just disable it for TV.
1345                          */
1346                         if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1347                                 radeon_connector->dac_load_detect = false;
1348                         drm_connector_attach_property(&radeon_connector->base,
1349                                                       rdev->mode_info.load_detect_property,
1350                                                       radeon_connector->dac_load_detect);
1351                         drm_connector_attach_property(&radeon_connector->base,
1352                                                       rdev->mode_info.tv_std_property,
1353                                                       radeon_combios_get_tv_info(rdev));
1354                 }
1355                 break;
1356         case DRM_MODE_CONNECTOR_LVDS:
1357                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1358                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1359                 if (ret)
1360                         goto failed;
1361                 if (i2c_bus->valid) {
1362                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1363                         if (!radeon_connector->ddc_bus)
1364                                 goto failed;
1365                 }
1366                 drm_connector_attach_property(&radeon_connector->base,
1367                                               dev->mode_config.scaling_mode_property,
1368                                               DRM_MODE_SCALE_FULLSCREEN);
1369                 subpixel_order = SubPixelHorizontalRGB;
1370                 break;
1371         }
1372
1373         connector->display_info.subpixel_order = subpixel_order;
1374         drm_sysfs_connector_add(connector);
1375         return;
1376
1377 failed:
1378         if (radeon_connector->ddc_bus)
1379                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1380         drm_connector_cleanup(connector);
1381         kfree(connector);
1382 }