drivers/gpu/drm/radeon/radeon_connectors.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 #include "drmP.h"
  27 #include "drm_edid.h"
  28 #include "drm_crtc_helper.h"
  29 #include "drm_fb_helper.h"
  30 #include "radeon_drm.h"
  31 #include "radeon.h"
  32 #include "atom.h"
  33
  34 extern void
  35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
  36                                       struct drm_encoder *encoder,
  37                                       bool connected);
  38 extern void
  39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
  40                                        struct drm_encoder *encoder,
  41                                        bool connected);
  42
  43 void radeon_connector_hotplug(struct drm_connector *connector)
  44 {
  45         struct drm_device *dev = connector->dev;
  46         struct radeon_device *rdev = dev->dev_private;
  47         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  48
  49         if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
  50                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  51
  52         if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
  53             (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
  54                 if ((radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
  55                     (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_eDP)) {
  56                         if (radeon_dp_needs_link_train(radeon_connector)) {
  57                                 if (connector->encoder)
  58                                         dp_link_train(connector->encoder, connector);
  59                         }
  60                 }
  61         }
  62
  63 }
  64
  65 static void radeon_property_change_mode(struct drm_encoder *encoder)
  66 {
  67         struct drm_crtc *crtc = encoder->crtc;
  68
  69         if (crtc && crtc->enabled) {
  70                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  71                                          crtc->x, crtc->y, crtc->fb);
  72         }
  73 }
  74 static void
  75 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
  76 {
  77         struct drm_device *dev = connector->dev;
  78         struct radeon_device *rdev = dev->dev_private;
  79         struct drm_encoder *best_encoder = NULL;
  80         struct drm_encoder *encoder = NULL;
  81         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
  82         struct drm_mode_object *obj;
  83         bool connected;
  84         int i;
  85
  86         best_encoder = connector_funcs->best_encoder(connector);
  87
  88         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  89                 if (connector->encoder_ids[i] == 0)
  90                         break;
  91
  92                 obj = drm_mode_object_find(connector->dev,
  93                                            connector->encoder_ids[i],
  94                                            DRM_MODE_OBJECT_ENCODER);
  95                 if (!obj)
  96                         continue;
  97
  98                 encoder = obj_to_encoder(obj);
  99
 100                 if ((encoder == best_encoder) && (status == connector_status_connected))
 101                         connected = true;
 102                 else
 103                         connected = false;
 104
 105                 if (rdev->is_atom_bios)
 106                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 107                 else
 108                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 109
 110         }
 111 }
 112
 113 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 114 {
 115         struct drm_mode_object *obj;
 116         struct drm_encoder *encoder;
 117         int i;
 118
 119         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 120                 if (connector->encoder_ids[i] == 0)
 121                         break;
 122
 123                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 124                 if (!obj)
 125                         continue;
 126
 127                 encoder = obj_to_encoder(obj);
 128                 if (encoder->encoder_type == encoder_type)
 129                         return encoder;
 130         }
 131         return NULL;
 132 }
 133
 134 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 135 {
 136         int enc_id = connector->encoder_ids[0];
 137         struct drm_mode_object *obj;
 138         struct drm_encoder *encoder;
 139
 140         /* pick the encoder ids */
 141         if (enc_id) {
 142                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 143                 if (!obj)
 144                         return NULL;
 145                 encoder = obj_to_encoder(obj);
 146                 return encoder;
 147         }
 148         return NULL;
 149 }
 150
 151 /*
 152  * radeon_connector_analog_encoder_conflict_solve
 153  * - search for other connectors sharing this encoder
 154  *   if priority is true, then set them disconnected if this is connected
 155  *   if priority is false, set us disconnected if they are connected
 156  */
 157 static enum drm_connector_status
 158 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 159                                                struct drm_encoder *encoder,
 160                                                enum drm_connector_status current_status,
 161                                                bool priority)
 162 {
 163         struct drm_device *dev = connector->dev;
 164         struct drm_connector *conflict;
 165         struct radeon_connector *radeon_conflict;
 166         int i;
 167
 168         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 169                 if (conflict == connector)
 170                         continue;
 171
 172                 radeon_conflict = to_radeon_connector(conflict);
 173                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 174                         if (conflict->encoder_ids[i] == 0)
 175                                 break;
 176
 177                         /* if the IDs match */
 178                         if (conflict->encoder_ids[i] == encoder->base.id) {
 179                                 if (conflict->status != connector_status_connected)
 180                                         continue;
 181
 182                                 if (radeon_conflict->use_digital)
 183                                         continue;
 184
 185                                 if (priority == true) {
 186                                         DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 187                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
 188                                         conflict->status = connector_status_disconnected;
 189                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 190                                 } else {
 191                                         DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 192                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
 193                                         current_status = connector_status_disconnected;
 194                                 }
 195                                 break;
 196                         }
 197                 }
 198         }
 199         return current_status;
 200
 201 }
 202
 203 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 204 {
 205         struct drm_device *dev = encoder->dev;
 206         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 207         struct drm_display_mode *mode = NULL;
 208         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 209
 210         if (native_mode->hdisplay != 0 &&
 211             native_mode->vdisplay != 0 &&
 212             native_mode->clock != 0) {
 213                 mode = drm_mode_duplicate(dev, native_mode);
 214                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 215                 drm_mode_set_name(mode);
 216
 217                 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
 218         } else if (native_mode->hdisplay != 0 &&
 219                    native_mode->vdisplay != 0) {
 220                 /* mac laptops without an edid */
 221                 /* Note that this is not necessarily the exact panel mode,
 222                  * but an approximation based on the cvt formula.  For these
 223                  * systems we should ideally read the mode info out of the
 224                  * registers or add a mode table, but this works and is much
 225                  * simpler.
 226                  */
 227                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 228                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 229                 DRM_DEBUG("Adding cvt approximation of native panel mode %s\n", mode->name);
 230         }
 231         return mode;
 232 }
 233
 234 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 235 {
 236         struct drm_device *dev = encoder->dev;
 237         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 238         struct drm_display_mode *mode = NULL;
 239         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 240         int i;
 241         struct mode_size {
 242                 int w;
 243                 int h;
 244         } common_modes[17] = {
 245                 { 640,  480},
 246                 { 720,  480},
 247                 { 800,  600},
 248                 { 848,  480},
 249                 {1024,  768},
 250                 {1152,  768},
 251                 {1280,  720},
 252                 {1280,  800},
 253                 {1280,  854},
 254                 {1280,  960},
 255                 {1280, 1024},
 256                 {1440,  900},
 257                 {1400, 1050},
 258                 {1680, 1050},
 259                 {1600, 1200},
 260                 {1920, 1080},
 261                 {1920, 1200}
 262         };
 263
 264         for (i = 0; i < 17; i++) {
 265                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 266                         if (common_modes[i].w > 1024 ||
 267                             common_modes[i].h > 768)
 268                                 continue;
 269                 }
 270                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 271                         if (common_modes[i].w > native_mode->hdisplay ||
 272                             common_modes[i].h > native_mode->vdisplay ||
 273                             (common_modes[i].w == native_mode->hdisplay &&
 274                              common_modes[i].h == native_mode->vdisplay))
 275                                 continue;
 276                 }
 277                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 278                         continue;
 279
 280                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 281                 drm_mode_probed_add(connector, mode);
 282         }
 283 }
 284
 285 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 286                                   uint64_t val)
 287 {
 288         struct drm_device *dev = connector->dev;
 289         struct radeon_device *rdev = dev->dev_private;
 290         struct drm_encoder *encoder;
 291         struct radeon_encoder *radeon_encoder;
 292
 293         if (property == rdev->mode_info.coherent_mode_property) {
 294                 struct radeon_encoder_atom_dig *dig;
 295                 bool new_coherent_mode;
 296
 297                 /* need to find digital encoder on connector */
 298                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 299                 if (!encoder)
 300                         return 0;
 301
 302                 radeon_encoder = to_radeon_encoder(encoder);
 303
 304                 if (!radeon_encoder->enc_priv)
 305                         return 0;
 306
 307                 dig = radeon_encoder->enc_priv;
 308                 new_coherent_mode = val ? true : false;
 309                 if (dig->coherent_mode != new_coherent_mode) {
 310                         dig->coherent_mode = new_coherent_mode;
 311                         radeon_property_change_mode(&radeon_encoder->base);
 312                 }
 313         }
 314
 315         if (property == rdev->mode_info.tv_std_property) {
 316                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 317                 if (!encoder) {
 318                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 319                 }
 320
 321                 if (!encoder)
 322                         return 0;
 323
 324                 radeon_encoder = to_radeon_encoder(encoder);
 325                 if (!radeon_encoder->enc_priv)
 326                         return 0;
 327                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 328                         struct radeon_encoder_atom_dac *dac_int;
 329                         dac_int = radeon_encoder->enc_priv;
 330                         dac_int->tv_std = val;
 331                 } else {
 332                         struct radeon_encoder_tv_dac *dac_int;
 333                         dac_int = radeon_encoder->enc_priv;
 334                         dac_int->tv_std = val;
 335                 }
 336                 radeon_property_change_mode(&radeon_encoder->base);
 337         }
 338
 339         if (property == rdev->mode_info.load_detect_property) {
 340                 struct radeon_connector *radeon_connector =
 341                         to_radeon_connector(connector);
 342
 343                 if (val == 0)
 344                         radeon_connector->dac_load_detect = false;
 345                 else
 346                         radeon_connector->dac_load_detect = true;
 347         }
 348
 349         if (property == rdev->mode_info.tmds_pll_property) {
 350                 struct radeon_encoder_int_tmds *tmds = NULL;
 351                 bool ret = false;
 352                 /* need to find digital encoder on connector */
 353                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 354                 if (!encoder)
 355                         return 0;
 356
 357                 radeon_encoder = to_radeon_encoder(encoder);
 358
 359                 tmds = radeon_encoder->enc_priv;
 360                 if (!tmds)
 361                         return 0;
 362
 363                 if (val == 0) {
 364                         if (rdev->is_atom_bios)
 365                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 366                         else
 367                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 368                 }
 369                 if (val == 1 || ret == false) {
 370                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 371                 }
 372                 radeon_property_change_mode(&radeon_encoder->base);
 373         }
 374
 375         return 0;
 376 }
 377
 378 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 379                                           struct drm_connector *connector)
 380 {
 381         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 382         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 383
 384         /* Try to get native mode details from EDID if necessary */
 385         if (!native_mode->clock) {
 386                 struct drm_display_mode *t, *mode;
 387
 388                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 389                         if (mode->hdisplay == native_mode->hdisplay &&
 390                             mode->vdisplay == native_mode->vdisplay) {
 391                                 *native_mode = *mode;
 392                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 393                                 DRM_INFO("Determined LVDS native mode details from EDID\n");
 394                                 break;
 395                         }
 396                 }
 397         }
 398         if (!native_mode->clock) {
 399                 DRM_INFO("No LVDS native mode details, disabling RMX\n");
 400                 radeon_encoder->rmx_type = RMX_OFF;
 401         }
 402 }
 403
 404 static int radeon_lvds_get_modes(struct drm_connector *connector)
 405 {
 406         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 407         struct drm_encoder *encoder;
 408         int ret = 0;
 409         struct drm_display_mode *mode;
 410
 411         if (radeon_connector->ddc_bus) {
 412                 ret = radeon_ddc_get_modes(radeon_connector);
 413                 if (ret > 0) {
 414                         encoder = radeon_best_single_encoder(connector);
 415                         if (encoder) {
 416                                 radeon_fixup_lvds_native_mode(encoder, connector);
 417                                 /* add scaled modes */
 418                                 radeon_add_common_modes(encoder, connector);
 419                         }
 420                         return ret;
 421                 }
 422         }
 423
 424         encoder = radeon_best_single_encoder(connector);
 425         if (!encoder)
 426                 return 0;
 427
 428         /* we have no EDID modes */
 429         mode = radeon_fp_native_mode(encoder);
 430         if (mode) {
 431                 ret = 1;
 432                 drm_mode_probed_add(connector, mode);
 433                 /* add scaled modes */
 434                 radeon_add_common_modes(encoder, connector);
 435         }
 436
 437         return ret;
 438 }
 439
 440 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 441                                   struct drm_display_mode *mode)
 442 {
 443         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 444
 445         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 446                 return MODE_PANEL;
 447
 448         if (encoder) {
 449                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 450                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 451
 452                 /* AVIVO hardware supports downscaling modes larger than the panel
 453                  * to the panel size, but I'm not sure this is desirable.
 454                  */
 455                 if ((mode->hdisplay > native_mode->hdisplay) ||
 456                     (mode->vdisplay > native_mode->vdisplay))
 457                         return MODE_PANEL;
 458
 459                 /* if scaling is disabled, block non-native modes */
 460                 if (radeon_encoder->rmx_type == RMX_OFF) {
 461                         if ((mode->hdisplay != native_mode->hdisplay) ||
 462                             (mode->vdisplay != native_mode->vdisplay))
 463                                 return MODE_PANEL;
 464                 }
 465         }
 466
 467         return MODE_OK;
 468 }
 469
 470 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
 471 {
 472         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 473         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 474         enum drm_connector_status ret = connector_status_disconnected;
 475
 476         if (encoder) {
 477                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 478                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 479
 480                 /* check if panel is valid */
 481                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 482                         ret = connector_status_connected;
 483
 484         }
 485
 486         /* check for edid as well */
 487         if (radeon_connector->edid)
 488                 ret = connector_status_connected;
 489         else {
 490                 if (radeon_connector->ddc_bus) {
 491                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 492                                                               &radeon_connector->ddc_bus->adapter);
 493                         if (radeon_connector->edid)
 494                                 ret = connector_status_connected;
 495                 }
 496         }
 497         /* check acpi lid status ??? */
 498
 499         radeon_connector_update_scratch_regs(connector, ret);
 500         return ret;
 501 }
 502
 503 static void radeon_connector_destroy(struct drm_connector *connector)
 504 {
 505         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 506
 507         if (radeon_connector->ddc_bus)
 508                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 509         if (radeon_connector->edid)
 510                 kfree(radeon_connector->edid);
 511         kfree(radeon_connector->con_priv);
 512         drm_sysfs_connector_remove(connector);
 513         drm_connector_cleanup(connector);
 514         kfree(connector);
 515 }
 516
 517 static int radeon_lvds_set_property(struct drm_connector *connector,
 518                                     struct drm_property *property,
 519                                     uint64_t value)
 520 {
 521         struct drm_device *dev = connector->dev;
 522         struct radeon_encoder *radeon_encoder;
 523         enum radeon_rmx_type rmx_type;
 524
 525         DRM_DEBUG("\n");
 526         if (property != dev->mode_config.scaling_mode_property)
 527                 return 0;
 528
 529         if (connector->encoder)
 530                 radeon_encoder = to_radeon_encoder(connector->encoder);
 531         else {
 532                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 533                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 534         }
 535
 536         switch (value) {
 537         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 538         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 539         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 540         default:
 541         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 542         }
 543         if (radeon_encoder->rmx_type == rmx_type)
 544                 return 0;
 545
 546         radeon_encoder->rmx_type = rmx_type;
 547
 548         radeon_property_change_mode(&radeon_encoder->base);
 549         return 0;
 550 }
 551
 552
 553 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 554         .get_modes = radeon_lvds_get_modes,
 555         .mode_valid = radeon_lvds_mode_valid,
 556         .best_encoder = radeon_best_single_encoder,
 557 };
 558
 559 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 560         .dpms = drm_helper_connector_dpms,
 561         .detect = radeon_lvds_detect,
 562         .fill_modes = drm_helper_probe_single_connector_modes,
 563         .destroy = radeon_connector_destroy,
 564         .set_property = radeon_lvds_set_property,
 565 };
 566
 567 static int radeon_vga_get_modes(struct drm_connector *connector)
 568 {
 569         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 570         int ret;
 571
 572         ret = radeon_ddc_get_modes(radeon_connector);
 573
 574         return ret;
 575 }
 576
 577 static int radeon_vga_mode_valid(struct drm_connector *connector,
 578                                   struct drm_display_mode *mode)
 579 {
 580         /* XXX check mode bandwidth */
 581         /* XXX verify against max DAC output frequency */
 582         return MODE_OK;
 583 }
 584
 585 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
 586 {
 587         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 588         struct drm_encoder *encoder;
 589         struct drm_encoder_helper_funcs *encoder_funcs;
 590         bool dret = false;
 591         enum drm_connector_status ret = connector_status_disconnected;
 592
 593         encoder = radeon_best_single_encoder(connector);
 594         if (!encoder)
 595                 ret = connector_status_disconnected;
 596
 597         if (radeon_connector->ddc_bus)
 598                 dret = radeon_ddc_probe(radeon_connector);
 599         if (dret) {
 600                 if (radeon_connector->edid) {
 601                         kfree(radeon_connector->edid);
 602                         radeon_connector->edid = NULL;
 603                 }
 604                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 605
 606                 if (!radeon_connector->edid) {
 607                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 608                                         drm_get_connector_name(connector));
 609                         ret = connector_status_connected;
 610                 } else {
 611                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 612
 613                         /* some oems have boards with separate digital and analog connectors
 614                          * with a shared ddc line (often vga + hdmi)
 615                          */
 616                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 617                                 kfree(radeon_connector->edid);
 618                                 radeon_connector->edid = NULL;
 619                                 ret = connector_status_disconnected;
 620                         } else
 621                                 ret = connector_status_connected;
 622                 }
 623         } else {
 624                 if (radeon_connector->dac_load_detect && encoder) {
 625                         encoder_funcs = encoder->helper_private;
 626                         ret = encoder_funcs->detect(encoder, connector);
 627                 }
 628         }
 629
 630         if (ret == connector_status_connected)
 631                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 632         radeon_connector_update_scratch_regs(connector, ret);
 633         return ret;
 634 }
 635
 636 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 637         .get_modes = radeon_vga_get_modes,
 638         .mode_valid = radeon_vga_mode_valid,
 639         .best_encoder = radeon_best_single_encoder,
 640 };
 641
 642 struct drm_connector_funcs radeon_vga_connector_funcs = {
 643         .dpms = drm_helper_connector_dpms,
 644         .detect = radeon_vga_detect,
 645         .fill_modes = drm_helper_probe_single_connector_modes,
 646         .destroy = radeon_connector_destroy,
 647         .set_property = radeon_connector_set_property,
 648 };
 649
 650 static int radeon_tv_get_modes(struct drm_connector *connector)
 651 {
 652         struct drm_device *dev = connector->dev;
 653         struct radeon_device *rdev = dev->dev_private;
 654         struct drm_display_mode *tv_mode;
 655         struct drm_encoder *encoder;
 656
 657         encoder = radeon_best_single_encoder(connector);
 658         if (!encoder)
 659                 return 0;
 660
 661         /* avivo chips can scale any mode */
 662         if (rdev->family >= CHIP_RS600)
 663                 /* add scaled modes */
 664                 radeon_add_common_modes(encoder, connector);
 665         else {
 666                 /* only 800x600 is supported right now on pre-avivo chips */
 667                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 668                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 669                 drm_mode_probed_add(connector, tv_mode);
 670         }
 671         return 1;
 672 }
 673
 674 static int radeon_tv_mode_valid(struct drm_connector *connector,
 675                                 struct drm_display_mode *mode)
 676 {
 677         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 678                 return MODE_CLOCK_RANGE;
 679         return MODE_OK;
 680 }
 681
 682 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
 683 {
 684         struct drm_encoder *encoder;
 685         struct drm_encoder_helper_funcs *encoder_funcs;
 686         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 687         enum drm_connector_status ret = connector_status_disconnected;
 688
 689         if (!radeon_connector->dac_load_detect)
 690                 return ret;
 691
 692         encoder = radeon_best_single_encoder(connector);
 693         if (!encoder)
 694                 ret = connector_status_disconnected;
 695         else {
 696                 encoder_funcs = encoder->helper_private;
 697                 ret = encoder_funcs->detect(encoder, connector);
 698         }
 699         if (ret == connector_status_connected)
 700                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 701         radeon_connector_update_scratch_regs(connector, ret);
 702         return ret;
 703 }
 704
 705 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 706         .get_modes = radeon_tv_get_modes,
 707         .mode_valid = radeon_tv_mode_valid,
 708         .best_encoder = radeon_best_single_encoder,
 709 };
 710
 711 struct drm_connector_funcs radeon_tv_connector_funcs = {
 712         .dpms = drm_helper_connector_dpms,
 713         .detect = radeon_tv_detect,
 714         .fill_modes = drm_helper_probe_single_connector_modes,
 715         .destroy = radeon_connector_destroy,
 716         .set_property = radeon_connector_set_property,
 717 };
 718
 719 static int radeon_dvi_get_modes(struct drm_connector *connector)
 720 {
 721         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 722         int ret;
 723
 724         ret = radeon_ddc_get_modes(radeon_connector);
 725         return ret;
 726 }
 727
 728 /*
 729  * DVI is complicated
 730  * Do a DDC probe, if DDC probe passes, get the full EDID so
 731  * we can do analog/digital monitor detection at this point.
 732  * If the monitor is an analog monitor or we got no DDC,
 733  * we need to find the DAC encoder object for this connector.
 734  * If we got no DDC, we do load detection on the DAC encoder object.
 735  * If we got analog DDC or load detection passes on the DAC encoder
 736  * we have to check if this analog encoder is shared with anyone else (TV)
 737  * if its shared we have to set the other connector to disconnected.
 738  */
 739 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
 740 {
 741         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 742         struct drm_encoder *encoder = NULL;
 743         struct drm_encoder_helper_funcs *encoder_funcs;
 744         struct drm_mode_object *obj;
 745         int i;
 746         enum drm_connector_status ret = connector_status_disconnected;
 747         bool dret = false;
 748
 749         if (radeon_connector->ddc_bus)
 750                 dret = radeon_ddc_probe(radeon_connector);
 751         if (dret) {
 752                 if (radeon_connector->edid) {
 753                         kfree(radeon_connector->edid);
 754                         radeon_connector->edid = NULL;
 755                 }
 756                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 757
 758                 if (!radeon_connector->edid) {
 759                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 760                                         drm_get_connector_name(connector));
 761                 } else {
 762                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 763
 764                         /* some oems have boards with separate digital and analog connectors
 765                          * with a shared ddc line (often vga + hdmi)
 766                          */
 767                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 768                                 kfree(radeon_connector->edid);
 769                                 radeon_connector->edid = NULL;
 770                                 ret = connector_status_disconnected;
 771                         } else
 772                                 ret = connector_status_connected;
 773
 774                         /* multiple connectors on the same encoder with the same ddc line
 775                          * This tends to be HDMI and DVI on the same encoder with the
 776                          * same ddc line.  If the edid says HDMI, consider the HDMI port
 777                          * connected and the DVI port disconnected.  If the edid doesn't
 778                          * say HDMI, vice versa.
 779                          */
 780                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 781                                 struct drm_device *dev = connector->dev;
 782                                 struct drm_connector *list_connector;
 783                                 struct radeon_connector *list_radeon_connector;
 784                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 785                                         if (connector == list_connector)
 786                                                 continue;
 787                                         list_radeon_connector = to_radeon_connector(list_connector);
 788                                         if (radeon_connector->devices == list_radeon_connector->devices) {
 789                                                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 790                                                         if (connector->connector_type == DRM_MODE_CONNECTOR_DVID) {
 791                                                                 kfree(radeon_connector->edid);
 792                                                                 radeon_connector->edid = NULL;
 793                                                                 ret = connector_status_disconnected;
 794                                                         }
 795                                                 } else {
 796                                                         if ((connector->connector_type == DRM_MODE_CONNECTOR_HDMIA) ||
 797                                                             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)) {
 798                                                                 kfree(radeon_connector->edid);
 799                                                                 radeon_connector->edid = NULL;
 800                                                                 ret = connector_status_disconnected;
 801                                                         }
 802                                                 }
 803                                         }
 804                                 }
 805                         }
 806                 }
 807         }
 808
 809         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 810                 goto out;
 811
 812         /* find analog encoder */
 813         if (radeon_connector->dac_load_detect) {
 814                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 815                         if (connector->encoder_ids[i] == 0)
 816                                 break;
 817
 818                         obj = drm_mode_object_find(connector->dev,
 819                                                    connector->encoder_ids[i],
 820                                                    DRM_MODE_OBJECT_ENCODER);
 821                         if (!obj)
 822                                 continue;
 823
 824                         encoder = obj_to_encoder(obj);
 825
 826                         encoder_funcs = encoder->helper_private;
 827                         if (encoder_funcs->detect) {
 828                                 if (ret != connector_status_connected) {
 829                                         ret = encoder_funcs->detect(encoder, connector);
 830                                         if (ret == connector_status_connected) {
 831                                                 radeon_connector->use_digital = false;
 832                                         }
 833                                 }
 834                                 break;
 835                         }
 836                 }
 837         }
 838
 839         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 840             encoder) {
 841                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 842         }
 843
 844 out:
 845         /* updated in get modes as well since we need to know if it's analog or digital */
 846         radeon_connector_update_scratch_regs(connector, ret);
 847         return ret;
 848 }
 849
 850 /* okay need to be smart in here about which encoder to pick */
 851 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 852 {
 853         int enc_id = connector->encoder_ids[0];
 854         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 855         struct drm_mode_object *obj;
 856         struct drm_encoder *encoder;
 857         int i;
 858         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 859                 if (connector->encoder_ids[i] == 0)
 860                         break;
 861
 862                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 863                 if (!obj)
 864                         continue;
 865
 866                 encoder = obj_to_encoder(obj);
 867
 868                 if (radeon_connector->use_digital == true) {
 869                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 870                                 return encoder;
 871                 } else {
 872                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 873                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 874                                 return encoder;
 875                 }
 876         }
 877
 878         /* see if we have a default encoder  TODO */
 879
 880         /* then check use digitial */
 881         /* pick the first one */
 882         if (enc_id) {
 883                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 884                 if (!obj)
 885                         return NULL;
 886                 encoder = obj_to_encoder(obj);
 887                 return encoder;
 888         }
 889         return NULL;
 890 }
 891
 892 static void radeon_dvi_force(struct drm_connector *connector)
 893 {
 894         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 895         if (connector->force == DRM_FORCE_ON)
 896                 radeon_connector->use_digital = false;
 897         if (connector->force == DRM_FORCE_ON_DIGITAL)
 898                 radeon_connector->use_digital = true;
 899 }
 900
 901 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 902                                   struct drm_display_mode *mode)
 903 {
 904         struct drm_device *dev = connector->dev;
 905         struct radeon_device *rdev = dev->dev_private;
 906         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 907
 908         /* XXX check mode bandwidth */
 909
 910         /* clocks over 135 MHz have heat issues with DVI on RV100 */
 911         if (radeon_connector->use_digital &&
 912             (rdev->family == CHIP_RV100) &&
 913             (mode->clock > 135000))
 914                 return MODE_CLOCK_HIGH;
 915
 916         if (radeon_connector->use_digital && (mode->clock > 165000)) {
 917                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 918                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
 919                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
 920                         return MODE_OK;
 921                 else
 922                         return MODE_CLOCK_HIGH;
 923         }
 924         return MODE_OK;
 925 }
 926
 927 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
 928         .get_modes = radeon_dvi_get_modes,
 929         .mode_valid = radeon_dvi_mode_valid,
 930         .best_encoder = radeon_dvi_encoder,
 931 };
 932
 933 struct drm_connector_funcs radeon_dvi_connector_funcs = {
 934         .dpms = drm_helper_connector_dpms,
 935         .detect = radeon_dvi_detect,
 936         .fill_modes = drm_helper_probe_single_connector_modes,
 937         .set_property = radeon_connector_set_property,
 938         .destroy = radeon_connector_destroy,
 939         .force = radeon_dvi_force,
 940 };
 941
 942 static void radeon_dp_connector_destroy(struct drm_connector *connector)
 943 {
 944         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 945         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 946
 947         if (radeon_connector->ddc_bus)
 948                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 949         if (radeon_connector->edid)
 950                 kfree(radeon_connector->edid);
 951         if (radeon_dig_connector->dp_i2c_bus)
 952                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
 953         kfree(radeon_connector->con_priv);
 954         drm_sysfs_connector_remove(connector);
 955         drm_connector_cleanup(connector);
 956         kfree(connector);
 957 }
 958
 959 static int radeon_dp_get_modes(struct drm_connector *connector)
 960 {
 961         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 962         int ret;
 963
 964         ret = radeon_ddc_get_modes(radeon_connector);
 965         return ret;
 966 }
 967
 968 static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
 969 {
 970         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 971         enum drm_connector_status ret = connector_status_disconnected;
 972         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 973         u8 sink_type;
 974
 975         if (radeon_connector->edid) {
 976                 kfree(radeon_connector->edid);
 977                 radeon_connector->edid = NULL;
 978         }
 979
 980         sink_type = radeon_dp_getsinktype(radeon_connector);
 981         if ((sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 982             (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
 983                 if (radeon_dp_getdpcd(radeon_connector)) {
 984                         radeon_dig_connector->dp_sink_type = sink_type;
 985                         ret = connector_status_connected;
 986                 }
 987         } else {
 988                 if (radeon_ddc_probe(radeon_connector)) {
 989                         radeon_dig_connector->dp_sink_type = sink_type;
 990                         ret = connector_status_connected;
 991                 }
 992         }
 993
 994         return ret;
 995 }
 996
 997 static int radeon_dp_mode_valid(struct drm_connector *connector,
 998                                   struct drm_display_mode *mode)
 999 {
1000         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1001         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1002
1003         /* XXX check mode bandwidth */
1004
1005         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1006             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1007                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1008         else
1009                 return MODE_OK;
1010 }
1011
1012 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1013         .get_modes = radeon_dp_get_modes,
1014         .mode_valid = radeon_dp_mode_valid,
1015         .best_encoder = radeon_dvi_encoder,
1016 };
1017
1018 struct drm_connector_funcs radeon_dp_connector_funcs = {
1019         .dpms = drm_helper_connector_dpms,
1020         .detect = radeon_dp_detect,
1021         .fill_modes = drm_helper_probe_single_connector_modes,
1022         .set_property = radeon_connector_set_property,
1023         .destroy = radeon_dp_connector_destroy,
1024         .force = radeon_dvi_force,
1025 };
1026
1027 void
1028 radeon_add_atom_connector(struct drm_device *dev,
1029                           uint32_t connector_id,
1030                           uint32_t supported_device,
1031                           int connector_type,
1032                           struct radeon_i2c_bus_rec *i2c_bus,
1033                           bool linkb,
1034                           uint32_t igp_lane_info,
1035                           uint16_t connector_object_id,
1036                           struct radeon_hpd *hpd)
1037 {
1038         struct radeon_device *rdev = dev->dev_private;
1039         struct drm_connector *connector;
1040         struct radeon_connector *radeon_connector;
1041         struct radeon_connector_atom_dig *radeon_dig_connector;
1042         uint32_t subpixel_order = SubPixelNone;
1043         bool shared_ddc = false;
1044         int ret;
1045
1046         /* fixme - tv/cv/din */
1047         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1048                 return;
1049
1050         /* see if we already added it */
1051         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1052                 radeon_connector = to_radeon_connector(connector);
1053                 if (radeon_connector->connector_id == connector_id) {
1054                         radeon_connector->devices |= supported_device;
1055                         return;
1056                 }
1057                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1058                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1059                                 radeon_connector->shared_ddc = true;
1060                                 shared_ddc = true;
1061                         }
1062                 }
1063         }
1064
1065         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1066         if (!radeon_connector)
1067                 return;
1068
1069         connector = &radeon_connector->base;
1070
1071         radeon_connector->connector_id = connector_id;
1072         radeon_connector->devices = supported_device;
1073         radeon_connector->shared_ddc = shared_ddc;
1074         radeon_connector->connector_object_id = connector_object_id;
1075         radeon_connector->hpd = *hpd;
1076         switch (connector_type) {
1077         case DRM_MODE_CONNECTOR_VGA:
1078                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1079                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1080                 if (ret)
1081                         goto failed;
1082                 if (i2c_bus->valid) {
1083                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1084                         if (!radeon_connector->ddc_bus)
1085                                 goto failed;
1086                 }
1087                 radeon_connector->dac_load_detect = true;
1088                 drm_connector_attach_property(&radeon_connector->base,
1089                                               rdev->mode_info.load_detect_property,
1090                                               1);
1091                 break;
1092         case DRM_MODE_CONNECTOR_DVIA:
1093                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1094                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1095                 if (ret)
1096                         goto failed;
1097                 if (i2c_bus->valid) {
1098                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1099                         if (!radeon_connector->ddc_bus)
1100                                 goto failed;
1101                 }
1102                 radeon_connector->dac_load_detect = true;
1103                 drm_connector_attach_property(&radeon_connector->base,
1104                                               rdev->mode_info.load_detect_property,
1105                                               1);
1106                 break;
1107         case DRM_MODE_CONNECTOR_DVII:
1108         case DRM_MODE_CONNECTOR_DVID:
1109                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1110                 if (!radeon_dig_connector)
1111                         goto failed;
1112                 radeon_dig_connector->linkb = linkb;
1113                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1114                 radeon_connector->con_priv = radeon_dig_connector;
1115                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1116                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1117                 if (ret)
1118                         goto failed;
1119                 if (i2c_bus->valid) {
1120                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1121                         if (!radeon_connector->ddc_bus)
1122                                 goto failed;
1123                 }
1124                 subpixel_order = SubPixelHorizontalRGB;
1125                 drm_connector_attach_property(&radeon_connector->base,
1126                                               rdev->mode_info.coherent_mode_property,
1127                                               1);
1128                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1129                         radeon_connector->dac_load_detect = true;
1130                         drm_connector_attach_property(&radeon_connector->base,
1131                                                       rdev->mode_info.load_detect_property,
1132                                                       1);
1133                 }
1134                 break;
1135         case DRM_MODE_CONNECTOR_HDMIA:
1136         case DRM_MODE_CONNECTOR_HDMIB:
1137                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1138                 if (!radeon_dig_connector)
1139                         goto failed;
1140                 radeon_dig_connector->linkb = linkb;
1141                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1142                 radeon_connector->con_priv = radeon_dig_connector;
1143                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1144                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1145                 if (ret)
1146                         goto failed;
1147                 if (i2c_bus->valid) {
1148                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
1149                         if (!radeon_connector->ddc_bus)
1150                                 goto failed;
1151                 }
1152                 drm_connector_attach_property(&radeon_connector->base,
1153                                               rdev->mode_info.coherent_mode_property,
1154                                               1);
1155                 subpixel_order = SubPixelHorizontalRGB;
1156                 break;
1157         case DRM_MODE_CONNECTOR_DisplayPort:
1158         case DRM_MODE_CONNECTOR_eDP:
1159                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1160                 if (!radeon_dig_connector)
1161                         goto failed;
1162                 radeon_dig_connector->linkb = linkb;
1163                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1164                 radeon_connector->con_priv = radeon_dig_connector;
1165                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1166                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1167                 if (ret)
1168                         goto failed;
1169                 if (i2c_bus->valid) {
1170                         /* add DP i2c bus */
1171                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1172                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1173                         else
1174                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1175                         if (!radeon_dig_connector->dp_i2c_bus)
1176                                 goto failed;
1177                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1178                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "eDP");
1179                         else
1180                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
1181                         if (!radeon_connector->ddc_bus)
1182                                 goto failed;
1183                 }
1184                 subpixel_order = SubPixelHorizontalRGB;
1185                 drm_connector_attach_property(&radeon_connector->base,
1186                                               rdev->mode_info.coherent_mode_property,
1187                                               1);
1188                 break;
1189         case DRM_MODE_CONNECTOR_SVIDEO:
1190         case DRM_MODE_CONNECTOR_Composite:
1191         case DRM_MODE_CONNECTOR_9PinDIN:
1192                 if (radeon_tv == 1) {
1193                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1194                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1195                         if (ret)
1196                                 goto failed;
1197                         radeon_connector->dac_load_detect = true;
1198                         drm_connector_attach_property(&radeon_connector->base,
1199                                                       rdev->mode_info.load_detect_property,
1200                                                       1);
1201                         drm_connector_attach_property(&radeon_connector->base,
1202                                                       rdev->mode_info.tv_std_property,
1203                                                       radeon_atombios_get_tv_info(rdev));
1204                 }
1205                 break;
1206         case DRM_MODE_CONNECTOR_LVDS:
1207                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1208                 if (!radeon_dig_connector)
1209                         goto failed;
1210                 radeon_dig_connector->linkb = linkb;
1211                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1212                 radeon_connector->con_priv = radeon_dig_connector;
1213                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1214                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1215                 if (ret)
1216                         goto failed;
1217                 if (i2c_bus->valid) {
1218                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1219                         if (!radeon_connector->ddc_bus)
1220                                 goto failed;
1221                 }
1222                 drm_connector_attach_property(&radeon_connector->base,
1223                                               dev->mode_config.scaling_mode_property,
1224                                               DRM_MODE_SCALE_FULLSCREEN);
1225                 subpixel_order = SubPixelHorizontalRGB;
1226                 break;
1227         }
1228
1229         connector->display_info.subpixel_order = subpixel_order;
1230         drm_sysfs_connector_add(connector);
1231         return;
1232
1233 failed:
1234         if (radeon_connector->ddc_bus)
1235                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1236         drm_connector_cleanup(connector);
1237         kfree(connector);
1238 }
1239
1240 void
1241 radeon_add_legacy_connector(struct drm_device *dev,
1242                             uint32_t connector_id,
1243                             uint32_t supported_device,
1244                             int connector_type,
1245                             struct radeon_i2c_bus_rec *i2c_bus,
1246                             uint16_t connector_object_id,
1247                             struct radeon_hpd *hpd)
1248 {
1249         struct radeon_device *rdev = dev->dev_private;
1250         struct drm_connector *connector;
1251         struct radeon_connector *radeon_connector;
1252         uint32_t subpixel_order = SubPixelNone;
1253         int ret;
1254
1255         /* fixme - tv/cv/din */
1256         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1257                 return;
1258
1259         /* see if we already added it */
1260         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1261                 radeon_connector = to_radeon_connector(connector);
1262                 if (radeon_connector->connector_id == connector_id) {
1263                         radeon_connector->devices |= supported_device;
1264                         return;
1265                 }
1266         }
1267
1268         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1269         if (!radeon_connector)
1270                 return;
1271
1272         connector = &radeon_connector->base;
1273
1274         radeon_connector->connector_id = connector_id;
1275         radeon_connector->devices = supported_device;
1276         radeon_connector->connector_object_id = connector_object_id;
1277         radeon_connector->hpd = *hpd;
1278         switch (connector_type) {
1279         case DRM_MODE_CONNECTOR_VGA:
1280                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1281                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1282                 if (ret)
1283                         goto failed;
1284                 if (i2c_bus->valid) {
1285                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1286                         if (!radeon_connector->ddc_bus)
1287                                 goto failed;
1288                 }
1289                 radeon_connector->dac_load_detect = true;
1290                 drm_connector_attach_property(&radeon_connector->base,
1291                                               rdev->mode_info.load_detect_property,
1292                                               1);
1293                 break;
1294         case DRM_MODE_CONNECTOR_DVIA:
1295                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1296                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1297                 if (ret)
1298                         goto failed;
1299                 if (i2c_bus->valid) {
1300                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1301                         if (!radeon_connector->ddc_bus)
1302                                 goto failed;
1303                 }
1304                 radeon_connector->dac_load_detect = true;
1305                 drm_connector_attach_property(&radeon_connector->base,
1306                                               rdev->mode_info.load_detect_property,
1307                                               1);
1308                 break;
1309         case DRM_MODE_CONNECTOR_DVII:
1310         case DRM_MODE_CONNECTOR_DVID:
1311                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1312                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1313                 if (ret)
1314                         goto failed;
1315                 if (i2c_bus->valid) {
1316                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1317                         if (!radeon_connector->ddc_bus)
1318                                 goto failed;
1319                         radeon_connector->dac_load_detect = true;
1320                         drm_connector_attach_property(&radeon_connector->base,
1321                                                       rdev->mode_info.load_detect_property,
1322                                                       1);
1323                 }
1324                 subpixel_order = SubPixelHorizontalRGB;
1325                 break;
1326         case DRM_MODE_CONNECTOR_SVIDEO:
1327         case DRM_MODE_CONNECTOR_Composite:
1328         case DRM_MODE_CONNECTOR_9PinDIN:
1329                 if (radeon_tv == 1) {
1330                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1331                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1332                         if (ret)
1333                                 goto failed;
1334                         radeon_connector->dac_load_detect = true;
1335                         /* RS400,RC410,RS480 chipset seems to report a lot
1336                          * of false positive on load detect, we haven't yet
1337                          * found a way to make load detect reliable on those
1338                          * chipset, thus just disable it for TV.
1339                          */
1340                         if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1341                                 radeon_connector->dac_load_detect = false;
1342                         drm_connector_attach_property(&radeon_connector->base,
1343                                                       rdev->mode_info.load_detect_property,
1344                                                       radeon_connector->dac_load_detect);
1345                         drm_connector_attach_property(&radeon_connector->base,
1346                                                       rdev->mode_info.tv_std_property,
1347                                                       radeon_combios_get_tv_info(rdev));
1348                 }
1349                 break;
1350         case DRM_MODE_CONNECTOR_LVDS:
1351                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1352                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1353                 if (ret)
1354                         goto failed;
1355                 if (i2c_bus->valid) {
1356                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1357                         if (!radeon_connector->ddc_bus)
1358                                 goto failed;
1359                 }
1360                 drm_connector_attach_property(&radeon_connector->base,
1361                                               dev->mode_config.scaling_mode_property,
1362                                               DRM_MODE_SCALE_FULLSCREEN);
1363                 subpixel_order = SubPixelHorizontalRGB;
1364                 break;
1365         }
1366
1367         connector->display_info.subpixel_order = subpixel_order;
1368         drm_sysfs_connector_add(connector);
1369         return;
1370
1371 failed:
1372         if (radeon_connector->ddc_bus)
1373                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1374         drm_connector_cleanup(connector);
1375         kfree(connector);
1376 }