SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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;
 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         radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 591         dret = radeon_ddc_probe(radeon_connector);
 592         radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 593         if (dret) {
 594                 if (radeon_connector->edid) {
 595                         kfree(radeon_connector->edid);
 596                         radeon_connector->edid = NULL;
 597                 }
 598                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 599                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 600                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 601
 602                 if (!radeon_connector->edid) {
 603                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 604                                         drm_get_connector_name(connector));
 605                         ret = connector_status_connected;
 606                 } else {
 607                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 608
 609                         /* some oems have boards with separate digital and analog connectors
 610                          * with a shared ddc line (often vga + hdmi)
 611                          */
 612                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 613                                 kfree(radeon_connector->edid);
 614                                 radeon_connector->edid = NULL;
 615                                 ret = connector_status_disconnected;
 616                         } else
 617                                 ret = connector_status_connected;
 618                 }
 619         } else {
 620                 if (radeon_connector->dac_load_detect && encoder) {
 621                         encoder_funcs = encoder->helper_private;
 622                         ret = encoder_funcs->detect(encoder, connector);
 623                 }
 624         }
 625
 626         if (ret == connector_status_connected)
 627                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 628         radeon_connector_update_scratch_regs(connector, ret);
 629         return ret;
 630 }
 631
 632 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 633         .get_modes = radeon_vga_get_modes,
 634         .mode_valid = radeon_vga_mode_valid,
 635         .best_encoder = radeon_best_single_encoder,
 636 };
 637
 638 struct drm_connector_funcs radeon_vga_connector_funcs = {
 639         .dpms = drm_helper_connector_dpms,
 640         .detect = radeon_vga_detect,
 641         .fill_modes = drm_helper_probe_single_connector_modes,
 642         .destroy = radeon_connector_destroy,
 643         .set_property = radeon_connector_set_property,
 644 };
 645
 646 static int radeon_tv_get_modes(struct drm_connector *connector)
 647 {
 648         struct drm_device *dev = connector->dev;
 649         struct radeon_device *rdev = dev->dev_private;
 650         struct drm_display_mode *tv_mode;
 651         struct drm_encoder *encoder;
 652
 653         encoder = radeon_best_single_encoder(connector);
 654         if (!encoder)
 655                 return 0;
 656
 657         /* avivo chips can scale any mode */
 658         if (rdev->family >= CHIP_RS600)
 659                 /* add scaled modes */
 660                 radeon_add_common_modes(encoder, connector);
 661         else {
 662                 /* only 800x600 is supported right now on pre-avivo chips */
 663                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 664                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 665                 drm_mode_probed_add(connector, tv_mode);
 666         }
 667         return 1;
 668 }
 669
 670 static int radeon_tv_mode_valid(struct drm_connector *connector,
 671                                 struct drm_display_mode *mode)
 672 {
 673         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 674                 return MODE_CLOCK_RANGE;
 675         return MODE_OK;
 676 }
 677
 678 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
 679 {
 680         struct drm_encoder *encoder;
 681         struct drm_encoder_helper_funcs *encoder_funcs;
 682         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 683         enum drm_connector_status ret = connector_status_disconnected;
 684
 685         if (!radeon_connector->dac_load_detect)
 686                 return ret;
 687
 688         encoder = radeon_best_single_encoder(connector);
 689         if (!encoder)
 690                 ret = connector_status_disconnected;
 691         else {
 692                 encoder_funcs = encoder->helper_private;
 693                 ret = encoder_funcs->detect(encoder, connector);
 694         }
 695         if (ret == connector_status_connected)
 696                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 697         radeon_connector_update_scratch_regs(connector, ret);
 698         return ret;
 699 }
 700
 701 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 702         .get_modes = radeon_tv_get_modes,
 703         .mode_valid = radeon_tv_mode_valid,
 704         .best_encoder = radeon_best_single_encoder,
 705 };
 706
 707 struct drm_connector_funcs radeon_tv_connector_funcs = {
 708         .dpms = drm_helper_connector_dpms,
 709         .detect = radeon_tv_detect,
 710         .fill_modes = drm_helper_probe_single_connector_modes,
 711         .destroy = radeon_connector_destroy,
 712         .set_property = radeon_connector_set_property,
 713 };
 714
 715 static int radeon_dvi_get_modes(struct drm_connector *connector)
 716 {
 717         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 718         int ret;
 719
 720         ret = radeon_ddc_get_modes(radeon_connector);
 721         return ret;
 722 }
 723
 724 /*
 725  * DVI is complicated
 726  * Do a DDC probe, if DDC probe passes, get the full EDID so
 727  * we can do analog/digital monitor detection at this point.
 728  * If the monitor is an analog monitor or we got no DDC,
 729  * we need to find the DAC encoder object for this connector.
 730  * If we got no DDC, we do load detection on the DAC encoder object.
 731  * If we got analog DDC or load detection passes on the DAC encoder
 732  * we have to check if this analog encoder is shared with anyone else (TV)
 733  * if its shared we have to set the other connector to disconnected.
 734  */
 735 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
 736 {
 737         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 738         struct drm_encoder *encoder = NULL;
 739         struct drm_encoder_helper_funcs *encoder_funcs;
 740         struct drm_mode_object *obj;
 741         int i;
 742         enum drm_connector_status ret = connector_status_disconnected;
 743         bool dret;
 744
 745         radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 746         dret = radeon_ddc_probe(radeon_connector);
 747         radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 748         if (dret) {
 749                 if (radeon_connector->edid) {
 750                         kfree(radeon_connector->edid);
 751                         radeon_connector->edid = NULL;
 752                 }
 753                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 754                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 755                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 756
 757                 if (!radeon_connector->edid) {
 758                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 759                                         drm_get_connector_name(connector));
 760                 } else {
 761                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 762
 763                         /* some oems have boards with separate digital and analog connectors
 764                          * with a shared ddc line (often vga + hdmi)
 765                          */
 766                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 767                                 kfree(radeon_connector->edid);
 768                                 radeon_connector->edid = NULL;
 769                                 ret = connector_status_disconnected;
 770                         } else
 771                                 ret = connector_status_connected;
 772
 773                         /* multiple connectors on the same encoder with the same ddc line
 774                          * This tends to be HDMI and DVI on the same encoder with the
 775                          * same ddc line.  If the edid says HDMI, consider the HDMI port
 776                          * connected and the DVI port disconnected.  If the edid doesn't
 777                          * say HDMI, vice versa.
 778                          */
 779                         if (radeon_connector->shared_ddc && connector_status_connected) {
 780                                 struct drm_device *dev = connector->dev;
 781                                 struct drm_connector *list_connector;
 782                                 struct radeon_connector *list_radeon_connector;
 783                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 784                                         if (connector == list_connector)
 785                                                 continue;
 786                                         list_radeon_connector = to_radeon_connector(list_connector);
 787                                         if (radeon_connector->devices == list_radeon_connector->devices) {
 788                                                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 789                                                         if (connector->connector_type == DRM_MODE_CONNECTOR_DVID) {
 790                                                                 kfree(radeon_connector->edid);
 791                                                                 radeon_connector->edid = NULL;
 792                                                                 ret = connector_status_disconnected;
 793                                                         }
 794                                                 } else {
 795                                                         if ((connector->connector_type == DRM_MODE_CONNECTOR_HDMIA) ||
 796                                                             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)) {
 797                                                                 kfree(radeon_connector->edid);
 798                                                                 radeon_connector->edid = NULL;
 799                                                                 ret = connector_status_disconnected;
 800                                                         }
 801                                                 }
 802                                         }
 803                                 }
 804                         }
 805                 }
 806         }
 807
 808         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 809                 goto out;
 810
 811         /* find analog encoder */
 812         if (radeon_connector->dac_load_detect) {
 813                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 814                         if (connector->encoder_ids[i] == 0)
 815                                 break;
 816
 817                         obj = drm_mode_object_find(connector->dev,
 818                                                    connector->encoder_ids[i],
 819                                                    DRM_MODE_OBJECT_ENCODER);
 820                         if (!obj)
 821                                 continue;
 822
 823                         encoder = obj_to_encoder(obj);
 824
 825                         encoder_funcs = encoder->helper_private;
 826                         if (encoder_funcs->detect) {
 827                                 if (ret != connector_status_connected) {
 828                                         ret = encoder_funcs->detect(encoder, connector);
 829                                         if (ret == connector_status_connected) {
 830                                                 radeon_connector->use_digital = false;
 831                                         }
 832                                 }
 833                                 break;
 834                         }
 835                 }
 836         }
 837
 838         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 839             encoder) {
 840                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 841         }
 842
 843 out:
 844         /* updated in get modes as well since we need to know if it's analog or digital */
 845         radeon_connector_update_scratch_regs(connector, ret);
 846         return ret;
 847 }
 848
 849 /* okay need to be smart in here about which encoder to pick */
 850 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 851 {
 852         int enc_id = connector->encoder_ids[0];
 853         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 854         struct drm_mode_object *obj;
 855         struct drm_encoder *encoder;
 856         int i;
 857         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 858                 if (connector->encoder_ids[i] == 0)
 859                         break;
 860
 861                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 862                 if (!obj)
 863                         continue;
 864
 865                 encoder = obj_to_encoder(obj);
 866
 867                 if (radeon_connector->use_digital == true) {
 868                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 869                                 return encoder;
 870                 } else {
 871                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 872                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 873                                 return encoder;
 874                 }
 875         }
 876
 877         /* see if we have a default encoder  TODO */
 878
 879         /* then check use digitial */
 880         /* pick the first one */
 881         if (enc_id) {
 882                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 883                 if (!obj)
 884                         return NULL;
 885                 encoder = obj_to_encoder(obj);
 886                 return encoder;
 887         }
 888         return NULL;
 889 }
 890
 891 static void radeon_dvi_force(struct drm_connector *connector)
 892 {
 893         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 894         if (connector->force == DRM_FORCE_ON)
 895                 radeon_connector->use_digital = false;
 896         if (connector->force == DRM_FORCE_ON_DIGITAL)
 897                 radeon_connector->use_digital = true;
 898 }
 899
 900 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 901                                   struct drm_display_mode *mode)
 902 {
 903         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 904
 905         /* XXX check mode bandwidth */
 906
 907         if (radeon_connector->use_digital && (mode->clock > 165000)) {
 908                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 909                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
 910                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
 911                         return MODE_OK;
 912                 else
 913                         return MODE_CLOCK_HIGH;
 914         }
 915         return MODE_OK;
 916 }
 917
 918 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
 919         .get_modes = radeon_dvi_get_modes,
 920         .mode_valid = radeon_dvi_mode_valid,
 921         .best_encoder = radeon_dvi_encoder,
 922 };
 923
 924 struct drm_connector_funcs radeon_dvi_connector_funcs = {
 925         .dpms = drm_helper_connector_dpms,
 926         .detect = radeon_dvi_detect,
 927         .fill_modes = drm_helper_probe_single_connector_modes,
 928         .set_property = radeon_connector_set_property,
 929         .destroy = radeon_connector_destroy,
 930         .force = radeon_dvi_force,
 931 };
 932
 933 static void radeon_dp_connector_destroy(struct drm_connector *connector)
 934 {
 935         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 936         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 937
 938         if (radeon_connector->ddc_bus)
 939                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 940         if (radeon_connector->edid)
 941                 kfree(radeon_connector->edid);
 942         if (radeon_dig_connector->dp_i2c_bus)
 943                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
 944         kfree(radeon_connector->con_priv);
 945         drm_sysfs_connector_remove(connector);
 946         drm_connector_cleanup(connector);
 947         kfree(connector);
 948 }
 949
 950 static int radeon_dp_get_modes(struct drm_connector *connector)
 951 {
 952         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 953         int ret;
 954
 955         ret = radeon_ddc_get_modes(radeon_connector);
 956         return ret;
 957 }
 958
 959 static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
 960 {
 961         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 962         enum drm_connector_status ret = connector_status_disconnected;
 963         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 964         u8 sink_type;
 965
 966         if (radeon_connector->edid) {
 967                 kfree(radeon_connector->edid);
 968                 radeon_connector->edid = NULL;
 969         }
 970
 971         sink_type = radeon_dp_getsinktype(radeon_connector);
 972         if ((sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 973             (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
 974                 if (radeon_dp_getdpcd(radeon_connector)) {
 975                         radeon_dig_connector->dp_sink_type = sink_type;
 976                         ret = connector_status_connected;
 977                 }
 978         } else {
 979                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 980                 if (radeon_ddc_probe(radeon_connector)) {
 981                         radeon_dig_connector->dp_sink_type = sink_type;
 982                         ret = connector_status_connected;
 983                 }
 984                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 985         }
 986
 987         return ret;
 988 }
 989
 990 static int radeon_dp_mode_valid(struct drm_connector *connector,
 991                                   struct drm_display_mode *mode)
 992 {
 993         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 994         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 995
 996         /* XXX check mode bandwidth */
 997
 998         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 999             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1000                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1001         else
1002                 return MODE_OK;
1003 }
1004
1005 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1006         .get_modes = radeon_dp_get_modes,
1007         .mode_valid = radeon_dp_mode_valid,
1008         .best_encoder = radeon_dvi_encoder,
1009 };
1010
1011 struct drm_connector_funcs radeon_dp_connector_funcs = {
1012         .dpms = drm_helper_connector_dpms,
1013         .detect = radeon_dp_detect,
1014         .fill_modes = drm_helper_probe_single_connector_modes,
1015         .set_property = radeon_connector_set_property,
1016         .destroy = radeon_dp_connector_destroy,
1017         .force = radeon_dvi_force,
1018 };
1019
1020 void
1021 radeon_add_atom_connector(struct drm_device *dev,
1022                           uint32_t connector_id,
1023                           uint32_t supported_device,
1024                           int connector_type,
1025                           struct radeon_i2c_bus_rec *i2c_bus,
1026                           bool linkb,
1027                           uint32_t igp_lane_info,
1028                           uint16_t connector_object_id,
1029                           struct radeon_hpd *hpd)
1030 {
1031         struct radeon_device *rdev = dev->dev_private;
1032         struct drm_connector *connector;
1033         struct radeon_connector *radeon_connector;
1034         struct radeon_connector_atom_dig *radeon_dig_connector;
1035         uint32_t subpixel_order = SubPixelNone;
1036         bool shared_ddc = false;
1037         int ret;
1038
1039         /* fixme - tv/cv/din */
1040         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1041                 return;
1042
1043         /* see if we already added it */
1044         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1045                 radeon_connector = to_radeon_connector(connector);
1046                 if (radeon_connector->connector_id == connector_id) {
1047                         radeon_connector->devices |= supported_device;
1048                         return;
1049                 }
1050                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1051                         if (memcmp(&radeon_connector->ddc_bus->rec, i2c_bus,
1052                                     sizeof(struct radeon_i2c_bus_rec)) == 0) {
1053                                 radeon_connector->shared_ddc = true;
1054                                 shared_ddc = true;
1055                         }
1056                 }
1057         }
1058
1059         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1060         if (!radeon_connector)
1061                 return;
1062
1063         connector = &radeon_connector->base;
1064
1065         radeon_connector->connector_id = connector_id;
1066         radeon_connector->devices = supported_device;
1067         radeon_connector->shared_ddc = shared_ddc;
1068         radeon_connector->connector_object_id = connector_object_id;
1069         radeon_connector->hpd = *hpd;
1070         switch (connector_type) {
1071         case DRM_MODE_CONNECTOR_VGA:
1072                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1073                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1074                 if (ret)
1075                         goto failed;
1076                 if (i2c_bus->valid) {
1077                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1078                         if (!radeon_connector->ddc_bus)
1079                                 goto failed;
1080                 }
1081                 radeon_connector->dac_load_detect = true;
1082                 drm_connector_attach_property(&radeon_connector->base,
1083                                               rdev->mode_info.load_detect_property,
1084                                               1);
1085                 break;
1086         case DRM_MODE_CONNECTOR_DVIA:
1087                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1088                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1089                 if (ret)
1090                         goto failed;
1091                 if (i2c_bus->valid) {
1092                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1093                         if (!radeon_connector->ddc_bus)
1094                                 goto failed;
1095                 }
1096                 radeon_connector->dac_load_detect = true;
1097                 drm_connector_attach_property(&radeon_connector->base,
1098                                               rdev->mode_info.load_detect_property,
1099                                               1);
1100                 break;
1101         case DRM_MODE_CONNECTOR_DVII:
1102         case DRM_MODE_CONNECTOR_DVID:
1103                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1104                 if (!radeon_dig_connector)
1105                         goto failed;
1106                 radeon_dig_connector->linkb = linkb;
1107                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1108                 radeon_connector->con_priv = radeon_dig_connector;
1109                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1110                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1111                 if (ret)
1112                         goto failed;
1113                 if (i2c_bus->valid) {
1114                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1115                         if (!radeon_connector->ddc_bus)
1116                                 goto failed;
1117                 }
1118                 subpixel_order = SubPixelHorizontalRGB;
1119                 drm_connector_attach_property(&radeon_connector->base,
1120                                               rdev->mode_info.coherent_mode_property,
1121                                               1);
1122                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1123                         radeon_connector->dac_load_detect = true;
1124                         drm_connector_attach_property(&radeon_connector->base,
1125                                                       rdev->mode_info.load_detect_property,
1126                                                       1);
1127                 }
1128                 break;
1129         case DRM_MODE_CONNECTOR_HDMIA:
1130         case DRM_MODE_CONNECTOR_HDMIB:
1131                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1132                 if (!radeon_dig_connector)
1133                         goto failed;
1134                 radeon_dig_connector->linkb = linkb;
1135                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1136                 radeon_connector->con_priv = radeon_dig_connector;
1137                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1138                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1139                 if (ret)
1140                         goto failed;
1141                 if (i2c_bus->valid) {
1142                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
1143                         if (!radeon_connector->ddc_bus)
1144                                 goto failed;
1145                 }
1146                 drm_connector_attach_property(&radeon_connector->base,
1147                                               rdev->mode_info.coherent_mode_property,
1148                                               1);
1149                 subpixel_order = SubPixelHorizontalRGB;
1150                 break;
1151         case DRM_MODE_CONNECTOR_DisplayPort:
1152         case DRM_MODE_CONNECTOR_eDP:
1153                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1154                 if (!radeon_dig_connector)
1155                         goto failed;
1156                 radeon_dig_connector->linkb = linkb;
1157                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1158                 radeon_connector->con_priv = radeon_dig_connector;
1159                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1160                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1161                 if (ret)
1162                         goto failed;
1163                 if (i2c_bus->valid) {
1164                         /* add DP i2c bus */
1165                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1166                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1167                         else
1168                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1169                         if (!radeon_dig_connector->dp_i2c_bus)
1170                                 goto failed;
1171                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1172                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "eDP");
1173                         else
1174                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
1175                         if (!radeon_connector->ddc_bus)
1176                                 goto failed;
1177                 }
1178                 subpixel_order = SubPixelHorizontalRGB;
1179                 drm_connector_attach_property(&radeon_connector->base,
1180                                               rdev->mode_info.coherent_mode_property,
1181                                               1);
1182                 break;
1183         case DRM_MODE_CONNECTOR_SVIDEO:
1184         case DRM_MODE_CONNECTOR_Composite:
1185         case DRM_MODE_CONNECTOR_9PinDIN:
1186                 if (radeon_tv == 1) {
1187                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1188                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1189                         if (ret)
1190                                 goto failed;
1191                         radeon_connector->dac_load_detect = true;
1192                         drm_connector_attach_property(&radeon_connector->base,
1193                                                       rdev->mode_info.load_detect_property,
1194                                                       1);
1195                         drm_connector_attach_property(&radeon_connector->base,
1196                                                       rdev->mode_info.tv_std_property,
1197                                                       radeon_atombios_get_tv_info(rdev));
1198                 }
1199                 break;
1200         case DRM_MODE_CONNECTOR_LVDS:
1201                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1202                 if (!radeon_dig_connector)
1203                         goto failed;
1204                 radeon_dig_connector->linkb = linkb;
1205                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1206                 radeon_connector->con_priv = radeon_dig_connector;
1207                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1208                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1209                 if (ret)
1210                         goto failed;
1211                 if (i2c_bus->valid) {
1212                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1213                         if (!radeon_connector->ddc_bus)
1214                                 goto failed;
1215                 }
1216                 drm_connector_attach_property(&radeon_connector->base,
1217                                               dev->mode_config.scaling_mode_property,
1218                                               DRM_MODE_SCALE_FULLSCREEN);
1219                 subpixel_order = SubPixelHorizontalRGB;
1220                 break;
1221         }
1222
1223         connector->display_info.subpixel_order = subpixel_order;
1224         drm_sysfs_connector_add(connector);
1225         return;
1226
1227 failed:
1228         if (radeon_connector->ddc_bus)
1229                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1230         drm_connector_cleanup(connector);
1231         kfree(connector);
1232 }
1233
1234 void
1235 radeon_add_legacy_connector(struct drm_device *dev,
1236                             uint32_t connector_id,
1237                             uint32_t supported_device,
1238                             int connector_type,
1239                             struct radeon_i2c_bus_rec *i2c_bus,
1240                             uint16_t connector_object_id,
1241                             struct radeon_hpd *hpd)
1242 {
1243         struct radeon_device *rdev = dev->dev_private;
1244         struct drm_connector *connector;
1245         struct radeon_connector *radeon_connector;
1246         uint32_t subpixel_order = SubPixelNone;
1247         int ret;
1248
1249         /* fixme - tv/cv/din */
1250         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1251                 return;
1252
1253         /* see if we already added it */
1254         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1255                 radeon_connector = to_radeon_connector(connector);
1256                 if (radeon_connector->connector_id == connector_id) {
1257                         radeon_connector->devices |= supported_device;
1258                         return;
1259                 }
1260         }
1261
1262         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1263         if (!radeon_connector)
1264                 return;
1265
1266         connector = &radeon_connector->base;
1267
1268         radeon_connector->connector_id = connector_id;
1269         radeon_connector->devices = supported_device;
1270         radeon_connector->connector_object_id = connector_object_id;
1271         radeon_connector->hpd = *hpd;
1272         switch (connector_type) {
1273         case DRM_MODE_CONNECTOR_VGA:
1274                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1275                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1276                 if (ret)
1277                         goto failed;
1278                 if (i2c_bus->valid) {
1279                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1280                         if (!radeon_connector->ddc_bus)
1281                                 goto failed;
1282                 }
1283                 radeon_connector->dac_load_detect = true;
1284                 drm_connector_attach_property(&radeon_connector->base,
1285                                               rdev->mode_info.load_detect_property,
1286                                               1);
1287                 break;
1288         case DRM_MODE_CONNECTOR_DVIA:
1289                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1290                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1291                 if (ret)
1292                         goto failed;
1293                 if (i2c_bus->valid) {
1294                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
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                 break;
1303         case DRM_MODE_CONNECTOR_DVII:
1304         case DRM_MODE_CONNECTOR_DVID:
1305                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1306                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1307                 if (ret)
1308                         goto failed;
1309                 if (i2c_bus->valid) {
1310                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1311                         if (!radeon_connector->ddc_bus)
1312                                 goto failed;
1313                         radeon_connector->dac_load_detect = true;
1314                         drm_connector_attach_property(&radeon_connector->base,
1315                                                       rdev->mode_info.load_detect_property,
1316                                                       1);
1317                 }
1318                 subpixel_order = SubPixelHorizontalRGB;
1319                 break;
1320         case DRM_MODE_CONNECTOR_SVIDEO:
1321         case DRM_MODE_CONNECTOR_Composite:
1322         case DRM_MODE_CONNECTOR_9PinDIN:
1323                 if (radeon_tv == 1) {
1324                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1325                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1326                         if (ret)
1327                                 goto failed;
1328                         radeon_connector->dac_load_detect = true;
1329                         /* RS400,RC410,RS480 chipset seems to report a lot
1330                          * of false positive on load detect, we haven't yet
1331                          * found a way to make load detect reliable on those
1332                          * chipset, thus just disable it for TV.
1333                          */
1334                         if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1335                                 radeon_connector->dac_load_detect = false;
1336                         drm_connector_attach_property(&radeon_connector->base,
1337                                                       rdev->mode_info.load_detect_property,
1338                                                       1);
1339                         drm_connector_attach_property(&radeon_connector->base,
1340                                                       rdev->mode_info.tv_std_property,
1341                                                       radeon_combios_get_tv_info(rdev));
1342                 }
1343                 break;
1344         case DRM_MODE_CONNECTOR_LVDS:
1345                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1346                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1347                 if (ret)
1348                         goto failed;
1349                 if (i2c_bus->valid) {
1350                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1351                         if (!radeon_connector->ddc_bus)
1352                                 goto failed;
1353                 }
1354                 drm_connector_attach_property(&radeon_connector->base,
1355                                               dev->mode_config.scaling_mode_property,
1356                                               DRM_MODE_SCALE_FULLSCREEN);
1357                 subpixel_order = SubPixelHorizontalRGB;
1358                 break;
1359         }
1360
1361         connector->display_info.subpixel_order = subpixel_order;
1362         drm_sysfs_connector_add(connector);
1363         return;
1364
1365 failed:
1366         if (radeon_connector->ddc_bus)
1367                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1368         drm_connector_cleanup(connector);
1369         kfree(connector);
1370 }