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_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 187                                         DRM_DEBUG_KMS("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_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 192                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 193                                         current_status = connector_status_disconnected;
 194                                 }
 195                                 break;
 196                         }
 197                 }
 198         }
 199         return current_status;
 200
 201 }
 202
 203 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 204 {
 205         struct drm_device *dev = encoder->dev;
 206         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 207         struct drm_display_mode *mode = NULL;
 208         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 209
 210         if (native_mode->hdisplay != 0 &&
 211             native_mode->vdisplay != 0 &&
 212             native_mode->clock != 0) {
 213                 mode = drm_mode_duplicate(dev, native_mode);
 214                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 215                 drm_mode_set_name(mode);
 216
 217                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 218         } else if (native_mode->hdisplay != 0 &&
 219                    native_mode->vdisplay != 0) {
 220                 /* mac laptops without an edid */
 221                 /* Note that this is not necessarily the exact panel mode,
 222                  * but an approximation based on the cvt formula.  For these
 223                  * systems we should ideally read the mode info out of the
 224                  * registers or add a mode table, but this works and is much
 225                  * simpler.
 226                  */
 227                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 228                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 229                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 230         }
 231         return mode;
 232 }
 233
 234 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 235 {
 236         struct drm_device *dev = encoder->dev;
 237         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 238         struct drm_display_mode *mode = NULL;
 239         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 240         int i;
 241         struct mode_size {
 242                 int w;
 243                 int h;
 244         } common_modes[17] = {
 245                 { 640,  480},
 246                 { 720,  480},
 247                 { 800,  600},
 248                 { 848,  480},
 249                 {1024,  768},
 250                 {1152,  768},
 251                 {1280,  720},
 252                 {1280,  800},
 253                 {1280,  854},
 254                 {1280,  960},
 255                 {1280, 1024},
 256                 {1440,  900},
 257                 {1400, 1050},
 258                 {1680, 1050},
 259                 {1600, 1200},
 260                 {1920, 1080},
 261                 {1920, 1200}
 262         };
 263
 264         for (i = 0; i < 17; i++) {
 265                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 266                         if (common_modes[i].w > 1024 ||
 267                             common_modes[i].h > 768)
 268                                 continue;
 269                 }
 270                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 271                         if (common_modes[i].w > native_mode->hdisplay ||
 272                             common_modes[i].h > native_mode->vdisplay ||
 273                             (common_modes[i].w == native_mode->hdisplay &&
 274                              common_modes[i].h == native_mode->vdisplay))
 275                                 continue;
 276                 }
 277                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 278                         continue;
 279
 280                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 281                 drm_mode_probed_add(connector, mode);
 282         }
 283 }
 284
 285 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 286                                   uint64_t val)
 287 {
 288         struct drm_device *dev = connector->dev;
 289         struct radeon_device *rdev = dev->dev_private;
 290         struct drm_encoder *encoder;
 291         struct radeon_encoder *radeon_encoder;
 292
 293         if (property == rdev->mode_info.coherent_mode_property) {
 294                 struct radeon_encoder_atom_dig *dig;
 295                 bool new_coherent_mode;
 296
 297                 /* need to find digital encoder on connector */
 298                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 299                 if (!encoder)
 300                         return 0;
 301
 302                 radeon_encoder = to_radeon_encoder(encoder);
 303
 304                 if (!radeon_encoder->enc_priv)
 305                         return 0;
 306
 307                 dig = radeon_encoder->enc_priv;
 308                 new_coherent_mode = val ? true : false;
 309                 if (dig->coherent_mode != new_coherent_mode) {
 310                         dig->coherent_mode = new_coherent_mode;
 311                         radeon_property_change_mode(&radeon_encoder->base);
 312                 }
 313         }
 314
 315         if (property == rdev->mode_info.underscan_property) {
 316                 /* need to find digital encoder on connector */
 317                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 318                 if (!encoder)
 319                         return 0;
 320
 321                 radeon_encoder = to_radeon_encoder(encoder);
 322
 323                 if (radeon_encoder->underscan_type != val) {
 324                         radeon_encoder->underscan_type = val;
 325                         radeon_property_change_mode(&radeon_encoder->base);
 326                 }
 327         }
 328
 329         if (property == rdev->mode_info.underscan_hborder_property) {
 330                 /* need to find digital encoder on connector */
 331                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 332                 if (!encoder)
 333                         return 0;
 334
 335                 radeon_encoder = to_radeon_encoder(encoder);
 336
 337                 if (radeon_encoder->underscan_hborder != val) {
 338                         radeon_encoder->underscan_hborder = val;
 339                         radeon_property_change_mode(&radeon_encoder->base);
 340                 }
 341         }
 342
 343         if (property == rdev->mode_info.underscan_vborder_property) {
 344                 /* need to find digital encoder on connector */
 345                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 346                 if (!encoder)
 347                         return 0;
 348
 349                 radeon_encoder = to_radeon_encoder(encoder);
 350
 351                 if (radeon_encoder->underscan_vborder != val) {
 352                         radeon_encoder->underscan_vborder = val;
 353                         radeon_property_change_mode(&radeon_encoder->base);
 354                 }
 355         }
 356
 357         if (property == rdev->mode_info.tv_std_property) {
 358                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 359                 if (!encoder) {
 360                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 361                 }
 362
 363                 if (!encoder)
 364                         return 0;
 365
 366                 radeon_encoder = to_radeon_encoder(encoder);
 367                 if (!radeon_encoder->enc_priv)
 368                         return 0;
 369                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 370                         struct radeon_encoder_atom_dac *dac_int;
 371                         dac_int = radeon_encoder->enc_priv;
 372                         dac_int->tv_std = val;
 373                 } else {
 374                         struct radeon_encoder_tv_dac *dac_int;
 375                         dac_int = radeon_encoder->enc_priv;
 376                         dac_int->tv_std = val;
 377                 }
 378                 radeon_property_change_mode(&radeon_encoder->base);
 379         }
 380
 381         if (property == rdev->mode_info.load_detect_property) {
 382                 struct radeon_connector *radeon_connector =
 383                         to_radeon_connector(connector);
 384
 385                 if (val == 0)
 386                         radeon_connector->dac_load_detect = false;
 387                 else
 388                         radeon_connector->dac_load_detect = true;
 389         }
 390
 391         if (property == rdev->mode_info.tmds_pll_property) {
 392                 struct radeon_encoder_int_tmds *tmds = NULL;
 393                 bool ret = false;
 394                 /* need to find digital encoder on connector */
 395                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 396                 if (!encoder)
 397                         return 0;
 398
 399                 radeon_encoder = to_radeon_encoder(encoder);
 400
 401                 tmds = radeon_encoder->enc_priv;
 402                 if (!tmds)
 403                         return 0;
 404
 405                 if (val == 0) {
 406                         if (rdev->is_atom_bios)
 407                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 408                         else
 409                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 410                 }
 411                 if (val == 1 || ret == false) {
 412                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 413                 }
 414                 radeon_property_change_mode(&radeon_encoder->base);
 415         }
 416
 417         return 0;
 418 }
 419
 420 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 421                                           struct drm_connector *connector)
 422 {
 423         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 424         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 425
 426         /* Try to get native mode details from EDID if necessary */
 427         if (!native_mode->clock) {
 428                 struct drm_display_mode *t, *mode;
 429
 430                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 431                         if (mode->hdisplay == native_mode->hdisplay &&
 432                             mode->vdisplay == native_mode->vdisplay) {
 433                                 *native_mode = *mode;
 434                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 435                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 436                                 break;
 437                         }
 438                 }
 439         }
 440         if (!native_mode->clock) {
 441                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 442                 radeon_encoder->rmx_type = RMX_OFF;
 443         }
 444 }
 445
 446 static int radeon_lvds_get_modes(struct drm_connector *connector)
 447 {
 448         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 449         struct drm_encoder *encoder;
 450         int ret = 0;
 451         struct drm_display_mode *mode;
 452
 453         if (radeon_connector->ddc_bus) {
 454                 ret = radeon_ddc_get_modes(radeon_connector);
 455                 if (ret > 0) {
 456                         encoder = radeon_best_single_encoder(connector);
 457                         if (encoder) {
 458                                 radeon_fixup_lvds_native_mode(encoder, connector);
 459                                 /* add scaled modes */
 460                                 radeon_add_common_modes(encoder, connector);
 461                         }
 462                         return ret;
 463                 }
 464         }
 465
 466         encoder = radeon_best_single_encoder(connector);
 467         if (!encoder)
 468                 return 0;
 469
 470         /* we have no EDID modes */
 471         mode = radeon_fp_native_mode(encoder);
 472         if (mode) {
 473                 ret = 1;
 474                 drm_mode_probed_add(connector, mode);
 475                 /* add the width/height from vbios tables if available */
 476                 connector->display_info.width_mm = mode->width_mm;
 477                 connector->display_info.height_mm = mode->height_mm;
 478                 /* add scaled modes */
 479                 radeon_add_common_modes(encoder, connector);
 480         }
 481
 482         return ret;
 483 }
 484
 485 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 486                                   struct drm_display_mode *mode)
 487 {
 488         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 489
 490         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 491                 return MODE_PANEL;
 492
 493         if (encoder) {
 494                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 495                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 496
 497                 /* AVIVO hardware supports downscaling modes larger than the panel
 498                  * to the panel size, but I'm not sure this is desirable.
 499                  */
 500                 if ((mode->hdisplay > native_mode->hdisplay) ||
 501                     (mode->vdisplay > native_mode->vdisplay))
 502                         return MODE_PANEL;
 503
 504                 /* if scaling is disabled, block non-native modes */
 505                 if (radeon_encoder->rmx_type == RMX_OFF) {
 506                         if ((mode->hdisplay != native_mode->hdisplay) ||
 507                             (mode->vdisplay != native_mode->vdisplay))
 508                                 return MODE_PANEL;
 509                 }
 510         }
 511
 512         return MODE_OK;
 513 }
 514
 515 static enum drm_connector_status
 516 radeon_lvds_detect(struct drm_connector *connector, bool force)
 517 {
 518         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 519         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 520         enum drm_connector_status ret = connector_status_disconnected;
 521
 522         if (encoder) {
 523                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 524                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 525
 526                 /* check if panel is valid */
 527                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 528                         ret = connector_status_connected;
 529
 530         }
 531
 532         /* check for edid as well */
 533         if (radeon_connector->edid)
 534                 ret = connector_status_connected;
 535         else {
 536                 if (radeon_connector->ddc_bus) {
 537                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 538                                                               &radeon_connector->ddc_bus->adapter);
 539                         if (radeon_connector->edid)
 540                                 ret = connector_status_connected;
 541                 }
 542         }
 543         /* check acpi lid status ??? */
 544
 545         radeon_connector_update_scratch_regs(connector, ret);
 546         return ret;
 547 }
 548
 549 static void radeon_connector_destroy(struct drm_connector *connector)
 550 {
 551         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 552
 553         if (radeon_connector->edid)
 554                 kfree(radeon_connector->edid);
 555         kfree(radeon_connector->con_priv);
 556         drm_sysfs_connector_remove(connector);
 557         drm_connector_cleanup(connector);
 558         kfree(connector);
 559 }
 560
 561 static int radeon_lvds_set_property(struct drm_connector *connector,
 562                                     struct drm_property *property,
 563                                     uint64_t value)
 564 {
 565         struct drm_device *dev = connector->dev;
 566         struct radeon_encoder *radeon_encoder;
 567         enum radeon_rmx_type rmx_type;
 568
 569         DRM_DEBUG_KMS("\n");
 570         if (property != dev->mode_config.scaling_mode_property)
 571                 return 0;
 572
 573         if (connector->encoder)
 574                 radeon_encoder = to_radeon_encoder(connector->encoder);
 575         else {
 576                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 577                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 578         }
 579
 580         switch (value) {
 581         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 582         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 583         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 584         default:
 585         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 586         }
 587         if (radeon_encoder->rmx_type == rmx_type)
 588                 return 0;
 589
 590         radeon_encoder->rmx_type = rmx_type;
 591
 592         radeon_property_change_mode(&radeon_encoder->base);
 593         return 0;
 594 }
 595
 596
 597 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 598         .get_modes = radeon_lvds_get_modes,
 599         .mode_valid = radeon_lvds_mode_valid,
 600         .best_encoder = radeon_best_single_encoder,
 601 };
 602
 603 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 604         .dpms = drm_helper_connector_dpms,
 605         .detect = radeon_lvds_detect,
 606         .fill_modes = drm_helper_probe_single_connector_modes,
 607         .destroy = radeon_connector_destroy,
 608         .set_property = radeon_lvds_set_property,
 609 };
 610
 611 static int radeon_vga_get_modes(struct drm_connector *connector)
 612 {
 613         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 614         int ret;
 615
 616         ret = radeon_ddc_get_modes(radeon_connector);
 617
 618         return ret;
 619 }
 620
 621 static int radeon_vga_mode_valid(struct drm_connector *connector,
 622                                   struct drm_display_mode *mode)
 623 {
 624         /* XXX check mode bandwidth */
 625         /* XXX verify against max DAC output frequency */
 626         return MODE_OK;
 627 }
 628
 629 static enum drm_connector_status
 630 radeon_vga_detect(struct drm_connector *connector, bool force)
 631 {
 632         struct drm_device *dev = connector->dev;
 633         struct radeon_device *rdev = dev->dev_private;
 634         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 635         struct drm_encoder *encoder;
 636         struct drm_encoder_helper_funcs *encoder_funcs;
 637         bool dret = false;
 638         enum drm_connector_status ret = connector_status_disconnected;
 639
 640         encoder = radeon_best_single_encoder(connector);
 641         if (!encoder)
 642                 ret = connector_status_disconnected;
 643
 644         if (radeon_connector->ddc_bus)
 645                 dret = radeon_ddc_probe(radeon_connector);
 646         if (dret) {
 647                 if (radeon_connector->edid) {
 648                         kfree(radeon_connector->edid);
 649                         radeon_connector->edid = NULL;
 650                 }
 651                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 652
 653                 if (!radeon_connector->edid) {
 654                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 655                                         drm_get_connector_name(connector));
 656                         ret = connector_status_connected;
 657                 } else {
 658                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 659
 660                         /* some oems have boards with separate digital and analog connectors
 661                          * with a shared ddc line (often vga + hdmi)
 662                          */
 663                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 664                                 kfree(radeon_connector->edid);
 665                                 radeon_connector->edid = NULL;
 666                                 ret = connector_status_disconnected;
 667                         } else
 668                                 ret = connector_status_connected;
 669                 }
 670         } else {
 671
 672                 /* if we aren't forcing don't do destructive polling */
 673                 if (!force)
 674                         return connector->status;
 675
 676                 if (radeon_connector->dac_load_detect && encoder) {
 677                         encoder_funcs = encoder->helper_private;
 678                         ret = encoder_funcs->detect(encoder, connector);
 679                 }
 680         }
 681
 682         if (ret == connector_status_connected)
 683                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 684
 685         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 686          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 687          * by other means, assume the CRT is connected and use that EDID.
 688          */
 689         if ((!rdev->is_atom_bios) &&
 690             (ret == connector_status_disconnected) &&
 691             rdev->mode_info.bios_hardcoded_edid_size) {
 692                 ret = connector_status_connected;
 693         }
 694
 695         radeon_connector_update_scratch_regs(connector, ret);
 696         return ret;
 697 }
 698
 699 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 700         .get_modes = radeon_vga_get_modes,
 701         .mode_valid = radeon_vga_mode_valid,
 702         .best_encoder = radeon_best_single_encoder,
 703 };
 704
 705 struct drm_connector_funcs radeon_vga_connector_funcs = {
 706         .dpms = drm_helper_connector_dpms,
 707         .detect = radeon_vga_detect,
 708         .fill_modes = drm_helper_probe_single_connector_modes,
 709         .destroy = radeon_connector_destroy,
 710         .set_property = radeon_connector_set_property,
 711 };
 712
 713 static int radeon_tv_get_modes(struct drm_connector *connector)
 714 {
 715         struct drm_device *dev = connector->dev;
 716         struct radeon_device *rdev = dev->dev_private;
 717         struct drm_display_mode *tv_mode;
 718         struct drm_encoder *encoder;
 719
 720         encoder = radeon_best_single_encoder(connector);
 721         if (!encoder)
 722                 return 0;
 723
 724         /* avivo chips can scale any mode */
 725         if (rdev->family >= CHIP_RS600)
 726                 /* add scaled modes */
 727                 radeon_add_common_modes(encoder, connector);
 728         else {
 729                 /* only 800x600 is supported right now on pre-avivo chips */
 730                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 731                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 732                 drm_mode_probed_add(connector, tv_mode);
 733         }
 734         return 1;
 735 }
 736
 737 static int radeon_tv_mode_valid(struct drm_connector *connector,
 738                                 struct drm_display_mode *mode)
 739 {
 740         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 741                 return MODE_CLOCK_RANGE;
 742         return MODE_OK;
 743 }
 744
 745 static enum drm_connector_status
 746 radeon_tv_detect(struct drm_connector *connector, bool force)
 747 {
 748         struct drm_encoder *encoder;
 749         struct drm_encoder_helper_funcs *encoder_funcs;
 750         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 751         enum drm_connector_status ret = connector_status_disconnected;
 752
 753         if (!radeon_connector->dac_load_detect)
 754                 return ret;
 755
 756         encoder = radeon_best_single_encoder(connector);
 757         if (!encoder)
 758                 ret = connector_status_disconnected;
 759         else {
 760                 encoder_funcs = encoder->helper_private;
 761                 ret = encoder_funcs->detect(encoder, connector);
 762         }
 763         if (ret == connector_status_connected)
 764                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 765         radeon_connector_update_scratch_regs(connector, ret);
 766         return ret;
 767 }
 768
 769 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 770         .get_modes = radeon_tv_get_modes,
 771         .mode_valid = radeon_tv_mode_valid,
 772         .best_encoder = radeon_best_single_encoder,
 773 };
 774
 775 struct drm_connector_funcs radeon_tv_connector_funcs = {
 776         .dpms = drm_helper_connector_dpms,
 777         .detect = radeon_tv_detect,
 778         .fill_modes = drm_helper_probe_single_connector_modes,
 779         .destroy = radeon_connector_destroy,
 780         .set_property = radeon_connector_set_property,
 781 };
 782
 783 static int radeon_dvi_get_modes(struct drm_connector *connector)
 784 {
 785         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 786         int ret;
 787
 788         ret = radeon_ddc_get_modes(radeon_connector);
 789         return ret;
 790 }
 791
 792 /*
 793  * DVI is complicated
 794  * Do a DDC probe, if DDC probe passes, get the full EDID so
 795  * we can do analog/digital monitor detection at this point.
 796  * If the monitor is an analog monitor or we got no DDC,
 797  * we need to find the DAC encoder object for this connector.
 798  * If we got no DDC, we do load detection on the DAC encoder object.
 799  * If we got analog DDC or load detection passes on the DAC encoder
 800  * we have to check if this analog encoder is shared with anyone else (TV)
 801  * if its shared we have to set the other connector to disconnected.
 802  */
 803 static enum drm_connector_status
 804 radeon_dvi_detect(struct drm_connector *connector, bool force)
 805 {
 806         struct drm_device *dev = connector->dev;
 807         struct radeon_device *rdev = dev->dev_private;
 808         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 809         struct drm_encoder *encoder = NULL;
 810         struct drm_encoder_helper_funcs *encoder_funcs;
 811         struct drm_mode_object *obj;
 812         int i;
 813         enum drm_connector_status ret = connector_status_disconnected;
 814         bool dret = false;
 815
 816         if (radeon_connector->ddc_bus)
 817                 dret = radeon_ddc_probe(radeon_connector);
 818         if (dret) {
 819                 if (radeon_connector->edid) {
 820                         kfree(radeon_connector->edid);
 821                         radeon_connector->edid = NULL;
 822                 }
 823                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 824
 825                 if (!radeon_connector->edid) {
 826                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 827                                         drm_get_connector_name(connector));
 828                 } else {
 829                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 830
 831                         /* some oems have boards with separate digital and analog connectors
 832                          * with a shared ddc line (often vga + hdmi)
 833                          */
 834                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 835                                 kfree(radeon_connector->edid);
 836                                 radeon_connector->edid = NULL;
 837                                 ret = connector_status_disconnected;
 838                         } else
 839                                 ret = connector_status_connected;
 840
 841                         /* This gets complicated.  We have boards with VGA + HDMI with a
 842                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 843                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 844                          * you don't really know what's connected to which port as both are digital.
 845                          */
 846                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 847                                 struct drm_connector *list_connector;
 848                                 struct radeon_connector *list_radeon_connector;
 849                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 850                                         if (connector == list_connector)
 851                                                 continue;
 852                                         list_radeon_connector = to_radeon_connector(list_connector);
 853                                         if (list_radeon_connector->shared_ddc &&
 854                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 855                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 856                                                 /* cases where both connectors are digital */
 857                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 858                                                         /* hpd is our only option in this case */
 859                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 860                                                                 kfree(radeon_connector->edid);
 861                                                                 radeon_connector->edid = NULL;
 862                                                                 ret = connector_status_disconnected;
 863                                                         }
 864                                                 }
 865                                         }
 866                                 }
 867                         }
 868                 }
 869         }
 870
 871         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 872                 goto out;
 873
 874         if (!force) {
 875                 ret = connector->status;
 876                 goto out;
 877         }
 878
 879         /* find analog encoder */
 880         if (radeon_connector->dac_load_detect) {
 881                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 882                         if (connector->encoder_ids[i] == 0)
 883                                 break;
 884
 885                         obj = drm_mode_object_find(connector->dev,
 886                                                    connector->encoder_ids[i],
 887                                                    DRM_MODE_OBJECT_ENCODER);
 888                         if (!obj)
 889                                 continue;
 890
 891                         encoder = obj_to_encoder(obj);
 892
 893                         encoder_funcs = encoder->helper_private;
 894                         if (encoder_funcs->detect) {
 895                                 if (ret != connector_status_connected) {
 896                                         ret = encoder_funcs->detect(encoder, connector);
 897                                         if (ret == connector_status_connected) {
 898                                                 radeon_connector->use_digital = false;
 899                                         }
 900                                 }
 901                                 break;
 902                         }
 903                 }
 904         }
 905
 906         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 907             encoder) {
 908                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 909         }
 910
 911         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 912          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 913          * by other means, assume the DFP is connected and use that EDID.  In most
 914          * cases the DVI port is actually a virtual KVM port connected to the service
 915          * processor.
 916          */
 917         if ((!rdev->is_atom_bios) &&
 918             (ret == connector_status_disconnected) &&
 919             rdev->mode_info.bios_hardcoded_edid_size) {
 920                 radeon_connector->use_digital = true;
 921                 ret = connector_status_connected;
 922         }
 923
 924 out:
 925         /* updated in get modes as well since we need to know if it's analog or digital */
 926         radeon_connector_update_scratch_regs(connector, ret);
 927         return ret;
 928 }
 929
 930 /* okay need to be smart in here about which encoder to pick */
 931 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 932 {
 933         int enc_id = connector->encoder_ids[0];
 934         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 935         struct drm_mode_object *obj;
 936         struct drm_encoder *encoder;
 937         int i;
 938         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 939                 if (connector->encoder_ids[i] == 0)
 940                         break;
 941
 942                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 943                 if (!obj)
 944                         continue;
 945
 946                 encoder = obj_to_encoder(obj);
 947
 948                 if (radeon_connector->use_digital == true) {
 949                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 950                                 return encoder;
 951                 } else {
 952                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 953                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 954                                 return encoder;
 955                 }
 956         }
 957
 958         /* see if we have a default encoder  TODO */
 959
 960         /* then check use digitial */
 961         /* pick the first one */
 962         if (enc_id) {
 963                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 964                 if (!obj)
 965                         return NULL;
 966                 encoder = obj_to_encoder(obj);
 967                 return encoder;
 968         }
 969         return NULL;
 970 }
 971
 972 static void radeon_dvi_force(struct drm_connector *connector)
 973 {
 974         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 975         if (connector->force == DRM_FORCE_ON)
 976                 radeon_connector->use_digital = false;
 977         if (connector->force == DRM_FORCE_ON_DIGITAL)
 978                 radeon_connector->use_digital = true;
 979 }
 980
 981 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 982                                   struct drm_display_mode *mode)
 983 {
 984         struct drm_device *dev = connector->dev;
 985         struct radeon_device *rdev = dev->dev_private;
 986         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 987
 988         /* XXX check mode bandwidth */
 989
 990         /* clocks over 135 MHz have heat issues with DVI on RV100 */
 991         if (radeon_connector->use_digital &&
 992             (rdev->family == CHIP_RV100) &&
 993             (mode->clock > 135000))
 994                 return MODE_CLOCK_HIGH;
 995
 996         if (radeon_connector->use_digital && (mode->clock > 165000)) {
 997                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 998                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
 999                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1000                         return MODE_OK;
1001                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1002                         if (ASIC_IS_DCE3(rdev)) {
1003                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1004                                 if (mode->clock > 340000)
1005                                         return MODE_CLOCK_HIGH;
1006                                 else
1007                                         return MODE_OK;
1008                         } else
1009                                 return MODE_CLOCK_HIGH;
1010                 } else
1011                         return MODE_CLOCK_HIGH;
1012         }
1013         return MODE_OK;
1014 }
1015
1016 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1017         .get_modes = radeon_dvi_get_modes,
1018         .mode_valid = radeon_dvi_mode_valid,
1019         .best_encoder = radeon_dvi_encoder,
1020 };
1021
1022 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1023         .dpms = drm_helper_connector_dpms,
1024         .detect = radeon_dvi_detect,
1025         .fill_modes = drm_helper_probe_single_connector_modes,
1026         .set_property = radeon_connector_set_property,
1027         .destroy = radeon_connector_destroy,
1028         .force = radeon_dvi_force,
1029 };
1030
1031 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1032 {
1033         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1034         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1035
1036         if (radeon_connector->edid)
1037                 kfree(radeon_connector->edid);
1038         if (radeon_dig_connector->dp_i2c_bus)
1039                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1040         kfree(radeon_connector->con_priv);
1041         drm_sysfs_connector_remove(connector);
1042         drm_connector_cleanup(connector);
1043         kfree(connector);
1044 }
1045
1046 static int radeon_dp_get_modes(struct drm_connector *connector)
1047 {
1048         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1049         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1050         int ret;
1051
1052         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1053                 if (!radeon_dig_connector->edp_on)
1054                         atombios_set_edp_panel_power(connector,
1055                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1056         }
1057         ret = radeon_ddc_get_modes(radeon_connector);
1058         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1059                 if (!radeon_dig_connector->edp_on)
1060                         atombios_set_edp_panel_power(connector,
1061                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1062         }
1063
1064         return ret;
1065 }
1066
1067 static enum drm_connector_status
1068 radeon_dp_detect(struct drm_connector *connector, bool force)
1069 {
1070         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1071         enum drm_connector_status ret = connector_status_disconnected;
1072         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1073
1074         if (radeon_connector->edid) {
1075                 kfree(radeon_connector->edid);
1076                 radeon_connector->edid = NULL;
1077         }
1078
1079         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1080                 /* eDP is always DP */
1081                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1082                 if (!radeon_dig_connector->edp_on)
1083                         atombios_set_edp_panel_power(connector,
1084                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1085                 if (radeon_dp_getdpcd(radeon_connector))
1086                         ret = connector_status_connected;
1087                 if (!radeon_dig_connector->edp_on)
1088                         atombios_set_edp_panel_power(connector,
1089                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1090         } else {
1091                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1092                 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1093                         if (radeon_dp_getdpcd(radeon_connector))
1094                                 ret = connector_status_connected;
1095                 } else {
1096                         if (radeon_ddc_probe(radeon_connector))
1097                                 ret = connector_status_connected;
1098                 }
1099         }
1100
1101         radeon_connector_update_scratch_regs(connector, ret);
1102         return ret;
1103 }
1104
1105 static int radeon_dp_mode_valid(struct drm_connector *connector,
1106                                   struct drm_display_mode *mode)
1107 {
1108         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1109         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1110
1111         /* XXX check mode bandwidth */
1112
1113         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1114             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1115                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1116         else
1117                 return MODE_OK;
1118 }
1119
1120 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1121         .get_modes = radeon_dp_get_modes,
1122         .mode_valid = radeon_dp_mode_valid,
1123         .best_encoder = radeon_dvi_encoder,
1124 };
1125
1126 struct drm_connector_funcs radeon_dp_connector_funcs = {
1127         .dpms = drm_helper_connector_dpms,
1128         .detect = radeon_dp_detect,
1129         .fill_modes = drm_helper_probe_single_connector_modes,
1130         .set_property = radeon_connector_set_property,
1131         .destroy = radeon_dp_connector_destroy,
1132         .force = radeon_dvi_force,
1133 };
1134
1135 void
1136 radeon_add_atom_connector(struct drm_device *dev,
1137                           uint32_t connector_id,
1138                           uint32_t supported_device,
1139                           int connector_type,
1140                           struct radeon_i2c_bus_rec *i2c_bus,
1141                           uint32_t igp_lane_info,
1142                           uint16_t connector_object_id,
1143                           struct radeon_hpd *hpd,
1144                           struct radeon_router *router)
1145 {
1146         struct radeon_device *rdev = dev->dev_private;
1147         struct drm_connector *connector;
1148         struct radeon_connector *radeon_connector;
1149         struct radeon_connector_atom_dig *radeon_dig_connector;
1150         uint32_t subpixel_order = SubPixelNone;
1151         bool shared_ddc = false;
1152
1153         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1154                 return;
1155
1156         /* if the user selected tv=0 don't try and add the connector */
1157         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1158              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1159              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1160             (radeon_tv == 0))
1161                 return;
1162
1163         /* see if we already added it */
1164         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1165                 radeon_connector = to_radeon_connector(connector);
1166                 if (radeon_connector->connector_id == connector_id) {
1167                         radeon_connector->devices |= supported_device;
1168                         return;
1169                 }
1170                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1171                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1172                                 radeon_connector->shared_ddc = true;
1173                                 shared_ddc = true;
1174                         }
1175                         if (radeon_connector->router_bus && router->ddc_valid &&
1176                             (radeon_connector->router.router_id == router->router_id)) {
1177                                 radeon_connector->shared_ddc = false;
1178                                 shared_ddc = false;
1179                         }
1180                 }
1181         }
1182
1183         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1184         if (!radeon_connector)
1185                 return;
1186
1187         connector = &radeon_connector->base;
1188
1189         radeon_connector->connector_id = connector_id;
1190         radeon_connector->devices = supported_device;
1191         radeon_connector->shared_ddc = shared_ddc;
1192         radeon_connector->connector_object_id = connector_object_id;
1193         radeon_connector->hpd = *hpd;
1194         radeon_connector->router = *router;
1195         if (router->ddc_valid || router->cd_valid) {
1196                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1197                 if (!radeon_connector->router_bus)
1198                         goto failed;
1199         }
1200         switch (connector_type) {
1201         case DRM_MODE_CONNECTOR_VGA:
1202                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1203                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1204                 if (i2c_bus->valid) {
1205                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1206                         if (!radeon_connector->ddc_bus)
1207                                 goto failed;
1208                 }
1209                 radeon_connector->dac_load_detect = true;
1210                 drm_connector_attach_property(&radeon_connector->base,
1211                                               rdev->mode_info.load_detect_property,
1212                                               1);
1213                 /* no HPD on analog connectors */
1214                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1215                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1216                 connector->interlace_allowed = true;
1217                 connector->doublescan_allowed = true;
1218                 break;
1219         case DRM_MODE_CONNECTOR_DVIA:
1220                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1221                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1222                 if (i2c_bus->valid) {
1223                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1224                         if (!radeon_connector->ddc_bus)
1225                                 goto failed;
1226                 }
1227                 radeon_connector->dac_load_detect = true;
1228                 drm_connector_attach_property(&radeon_connector->base,
1229                                               rdev->mode_info.load_detect_property,
1230                                               1);
1231                 /* no HPD on analog connectors */
1232                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1233                 connector->interlace_allowed = true;
1234                 connector->doublescan_allowed = true;
1235                 break;
1236         case DRM_MODE_CONNECTOR_DVII:
1237         case DRM_MODE_CONNECTOR_DVID:
1238                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1239                 if (!radeon_dig_connector)
1240                         goto failed;
1241                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1242                 radeon_connector->con_priv = radeon_dig_connector;
1243                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1244                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1245                 if (i2c_bus->valid) {
1246                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1247                         if (!radeon_connector->ddc_bus)
1248                                 goto failed;
1249                 }
1250                 subpixel_order = SubPixelHorizontalRGB;
1251                 drm_connector_attach_property(&radeon_connector->base,
1252                                               rdev->mode_info.coherent_mode_property,
1253                                               1);
1254                 if (ASIC_IS_AVIVO(rdev)) {
1255                         drm_connector_attach_property(&radeon_connector->base,
1256                                                       rdev->mode_info.underscan_property,
1257                                                       UNDERSCAN_OFF);
1258                         drm_connector_attach_property(&radeon_connector->base,
1259                                                       rdev->mode_info.underscan_hborder_property,
1260                                                       0);
1261                         drm_connector_attach_property(&radeon_connector->base,
1262                                                       rdev->mode_info.underscan_vborder_property,
1263                                                       0);
1264                 }
1265                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1266                         radeon_connector->dac_load_detect = true;
1267                         drm_connector_attach_property(&radeon_connector->base,
1268                                                       rdev->mode_info.load_detect_property,
1269                                                       1);
1270                 }
1271                 connector->interlace_allowed = true;
1272                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1273                         connector->doublescan_allowed = true;
1274                 else
1275                         connector->doublescan_allowed = false;
1276                 break;
1277         case DRM_MODE_CONNECTOR_HDMIA:
1278         case DRM_MODE_CONNECTOR_HDMIB:
1279                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1280                 if (!radeon_dig_connector)
1281                         goto failed;
1282                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1283                 radeon_connector->con_priv = radeon_dig_connector;
1284                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1285                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1286                 if (i2c_bus->valid) {
1287                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1288                         if (!radeon_connector->ddc_bus)
1289                                 goto failed;
1290                 }
1291                 drm_connector_attach_property(&radeon_connector->base,
1292                                               rdev->mode_info.coherent_mode_property,
1293                                               1);
1294                 if (ASIC_IS_AVIVO(rdev)) {
1295                         drm_connector_attach_property(&radeon_connector->base,
1296                                                       rdev->mode_info.underscan_property,
1297                                                       UNDERSCAN_OFF);
1298                         drm_connector_attach_property(&radeon_connector->base,
1299                                                       rdev->mode_info.underscan_hborder_property,
1300                                                       0);
1301                         drm_connector_attach_property(&radeon_connector->base,
1302                                                       rdev->mode_info.underscan_vborder_property,
1303                                                       0);
1304                 }
1305                 subpixel_order = SubPixelHorizontalRGB;
1306                 connector->interlace_allowed = true;
1307                 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1308                         connector->doublescan_allowed = true;
1309                 else
1310                         connector->doublescan_allowed = false;
1311                 break;
1312         case DRM_MODE_CONNECTOR_DisplayPort:
1313         case DRM_MODE_CONNECTOR_eDP:
1314                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1315                 if (!radeon_dig_connector)
1316                         goto failed;
1317                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1318                 radeon_connector->con_priv = radeon_dig_connector;
1319                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1320                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1321                 if (i2c_bus->valid) {
1322                         /* add DP i2c bus */
1323                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1324                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1325                         else
1326                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1327                         if (!radeon_dig_connector->dp_i2c_bus)
1328                                 goto failed;
1329                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1330                         if (!radeon_connector->ddc_bus)
1331                                 goto failed;
1332                 }
1333                 subpixel_order = SubPixelHorizontalRGB;
1334                 drm_connector_attach_property(&radeon_connector->base,
1335                                               rdev->mode_info.coherent_mode_property,
1336                                               1);
1337                 if (ASIC_IS_AVIVO(rdev)) {
1338                         drm_connector_attach_property(&radeon_connector->base,
1339                                                       rdev->mode_info.underscan_property,
1340                                                       UNDERSCAN_OFF);
1341                         drm_connector_attach_property(&radeon_connector->base,
1342                                                       rdev->mode_info.underscan_hborder_property,
1343                                                       0);
1344                         drm_connector_attach_property(&radeon_connector->base,
1345                                                       rdev->mode_info.underscan_vborder_property,
1346                                                       0);
1347                 }
1348                 connector->interlace_allowed = true;
1349                 /* in theory with a DP to VGA converter... */
1350                 connector->doublescan_allowed = false;
1351                 break;
1352         case DRM_MODE_CONNECTOR_SVIDEO:
1353         case DRM_MODE_CONNECTOR_Composite:
1354         case DRM_MODE_CONNECTOR_9PinDIN:
1355                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1356                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1357                 radeon_connector->dac_load_detect = true;
1358                 drm_connector_attach_property(&radeon_connector->base,
1359                                               rdev->mode_info.load_detect_property,
1360                                               1);
1361                 drm_connector_attach_property(&radeon_connector->base,
1362                                               rdev->mode_info.tv_std_property,
1363                                               radeon_atombios_get_tv_info(rdev));
1364                 /* no HPD on analog connectors */
1365                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1366                 connector->interlace_allowed = false;
1367                 connector->doublescan_allowed = false;
1368                 break;
1369         case DRM_MODE_CONNECTOR_LVDS:
1370                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1371                 if (!radeon_dig_connector)
1372                         goto failed;
1373                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1374                 radeon_connector->con_priv = radeon_dig_connector;
1375                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1376                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1377                 if (i2c_bus->valid) {
1378                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1379                         if (!radeon_connector->ddc_bus)
1380                                 goto failed;
1381                 }
1382                 drm_connector_attach_property(&radeon_connector->base,
1383                                               dev->mode_config.scaling_mode_property,
1384                                               DRM_MODE_SCALE_FULLSCREEN);
1385                 subpixel_order = SubPixelHorizontalRGB;
1386                 connector->interlace_allowed = false;
1387                 connector->doublescan_allowed = false;
1388                 break;
1389         }
1390
1391         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1392                 if (i2c_bus->valid)
1393                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1394         } else
1395                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1396
1397         connector->display_info.subpixel_order = subpixel_order;
1398         drm_sysfs_connector_add(connector);
1399         return;
1400
1401 failed:
1402         drm_connector_cleanup(connector);
1403         kfree(connector);
1404 }
1405
1406 void
1407 radeon_add_legacy_connector(struct drm_device *dev,
1408                             uint32_t connector_id,
1409                             uint32_t supported_device,
1410                             int connector_type,
1411                             struct radeon_i2c_bus_rec *i2c_bus,
1412                             uint16_t connector_object_id,
1413                             struct radeon_hpd *hpd)
1414 {
1415         struct radeon_device *rdev = dev->dev_private;
1416         struct drm_connector *connector;
1417         struct radeon_connector *radeon_connector;
1418         uint32_t subpixel_order = SubPixelNone;
1419
1420         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1421                 return;
1422
1423         /* if the user selected tv=0 don't try and add the connector */
1424         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1425              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1426              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1427             (radeon_tv == 0))
1428                 return;
1429
1430         /* see if we already added it */
1431         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1432                 radeon_connector = to_radeon_connector(connector);
1433                 if (radeon_connector->connector_id == connector_id) {
1434                         radeon_connector->devices |= supported_device;
1435                         return;
1436                 }
1437         }
1438
1439         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1440         if (!radeon_connector)
1441                 return;
1442
1443         connector = &radeon_connector->base;
1444
1445         radeon_connector->connector_id = connector_id;
1446         radeon_connector->devices = supported_device;
1447         radeon_connector->connector_object_id = connector_object_id;
1448         radeon_connector->hpd = *hpd;
1449         switch (connector_type) {
1450         case DRM_MODE_CONNECTOR_VGA:
1451                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1452                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1453                 if (i2c_bus->valid) {
1454                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1455                         if (!radeon_connector->ddc_bus)
1456                                 goto failed;
1457                 }
1458                 radeon_connector->dac_load_detect = true;
1459                 drm_connector_attach_property(&radeon_connector->base,
1460                                               rdev->mode_info.load_detect_property,
1461                                               1);
1462                 /* no HPD on analog connectors */
1463                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1464                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1465                 connector->interlace_allowed = true;
1466                 connector->doublescan_allowed = true;
1467                 break;
1468         case DRM_MODE_CONNECTOR_DVIA:
1469                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1470                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1471                 if (i2c_bus->valid) {
1472                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1473                         if (!radeon_connector->ddc_bus)
1474                                 goto failed;
1475                 }
1476                 radeon_connector->dac_load_detect = true;
1477                 drm_connector_attach_property(&radeon_connector->base,
1478                                               rdev->mode_info.load_detect_property,
1479                                               1);
1480                 /* no HPD on analog connectors */
1481                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1482                 connector->interlace_allowed = true;
1483                 connector->doublescan_allowed = true;
1484                 break;
1485         case DRM_MODE_CONNECTOR_DVII:
1486         case DRM_MODE_CONNECTOR_DVID:
1487                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1488                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1489                 if (i2c_bus->valid) {
1490                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1491                         if (!radeon_connector->ddc_bus)
1492                                 goto failed;
1493                 }
1494                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1495                         radeon_connector->dac_load_detect = true;
1496                         drm_connector_attach_property(&radeon_connector->base,
1497                                                       rdev->mode_info.load_detect_property,
1498                                                       1);
1499                 }
1500                 subpixel_order = SubPixelHorizontalRGB;
1501                 connector->interlace_allowed = true;
1502                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1503                         connector->doublescan_allowed = true;
1504                 else
1505                         connector->doublescan_allowed = false;
1506                 break;
1507         case DRM_MODE_CONNECTOR_SVIDEO:
1508         case DRM_MODE_CONNECTOR_Composite:
1509         case DRM_MODE_CONNECTOR_9PinDIN:
1510                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1511                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1512                 radeon_connector->dac_load_detect = true;
1513                 /* RS400,RC410,RS480 chipset seems to report a lot
1514                  * of false positive on load detect, we haven't yet
1515                  * found a way to make load detect reliable on those
1516                  * chipset, thus just disable it for TV.
1517                  */
1518                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1519                         radeon_connector->dac_load_detect = false;
1520                 drm_connector_attach_property(&radeon_connector->base,
1521                                               rdev->mode_info.load_detect_property,
1522                                               radeon_connector->dac_load_detect);
1523                 drm_connector_attach_property(&radeon_connector->base,
1524                                               rdev->mode_info.tv_std_property,
1525                                               radeon_combios_get_tv_info(rdev));
1526                 /* no HPD on analog connectors */
1527                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1528                 connector->interlace_allowed = false;
1529                 connector->doublescan_allowed = false;
1530                 break;
1531         case DRM_MODE_CONNECTOR_LVDS:
1532                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1533                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1534                 if (i2c_bus->valid) {
1535                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1536                         if (!radeon_connector->ddc_bus)
1537                                 goto failed;
1538                 }
1539                 drm_connector_attach_property(&radeon_connector->base,
1540                                               dev->mode_config.scaling_mode_property,
1541                                               DRM_MODE_SCALE_FULLSCREEN);
1542                 subpixel_order = SubPixelHorizontalRGB;
1543                 connector->interlace_allowed = false;
1544                 connector->doublescan_allowed = false;
1545                 break;
1546         }
1547
1548         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1549                 if (i2c_bus->valid)
1550                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1551         } else
1552                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1553         connector->display_info.subpixel_order = subpixel_order;
1554         drm_sysfs_connector_add(connector);
1555         return;
1556
1557 failed:
1558         drm_connector_cleanup(connector);
1559         kfree(connector);
1560 }