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 radeon_connector *radeon_connector = to_radeon_connector(connector);
 633         struct drm_encoder *encoder;
 634         struct drm_encoder_helper_funcs *encoder_funcs;
 635         bool dret = false;
 636         enum drm_connector_status ret = connector_status_disconnected;
 637
 638         encoder = radeon_best_single_encoder(connector);
 639         if (!encoder)
 640                 ret = connector_status_disconnected;
 641
 642         if (radeon_connector->ddc_bus)
 643                 dret = radeon_ddc_probe(radeon_connector);
 644         if (dret) {
 645                 if (radeon_connector->edid) {
 646                         kfree(radeon_connector->edid);
 647                         radeon_connector->edid = NULL;
 648                 }
 649                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 650
 651                 if (!radeon_connector->edid) {
 652                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 653                                         drm_get_connector_name(connector));
 654                         ret = connector_status_connected;
 655                 } else {
 656                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 657
 658                         /* some oems have boards with separate digital and analog connectors
 659                          * with a shared ddc line (often vga + hdmi)
 660                          */
 661                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 662                                 kfree(radeon_connector->edid);
 663                                 radeon_connector->edid = NULL;
 664                                 ret = connector_status_disconnected;
 665                         } else
 666                                 ret = connector_status_connected;
 667                 }
 668         } else {
 669
 670                 /* if we aren't forcing don't do destructive polling */
 671                 if (!force)
 672                         return connector->status;
 673
 674                 if (radeon_connector->dac_load_detect && encoder) {
 675                         encoder_funcs = encoder->helper_private;
 676                         ret = encoder_funcs->detect(encoder, connector);
 677                 }
 678         }
 679
 680         if (ret == connector_status_connected)
 681                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 682         radeon_connector_update_scratch_regs(connector, ret);
 683         return ret;
 684 }
 685
 686 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 687         .get_modes = radeon_vga_get_modes,
 688         .mode_valid = radeon_vga_mode_valid,
 689         .best_encoder = radeon_best_single_encoder,
 690 };
 691
 692 struct drm_connector_funcs radeon_vga_connector_funcs = {
 693         .dpms = drm_helper_connector_dpms,
 694         .detect = radeon_vga_detect,
 695         .fill_modes = drm_helper_probe_single_connector_modes,
 696         .destroy = radeon_connector_destroy,
 697         .set_property = radeon_connector_set_property,
 698 };
 699
 700 static int radeon_tv_get_modes(struct drm_connector *connector)
 701 {
 702         struct drm_device *dev = connector->dev;
 703         struct radeon_device *rdev = dev->dev_private;
 704         struct drm_display_mode *tv_mode;
 705         struct drm_encoder *encoder;
 706
 707         encoder = radeon_best_single_encoder(connector);
 708         if (!encoder)
 709                 return 0;
 710
 711         /* avivo chips can scale any mode */
 712         if (rdev->family >= CHIP_RS600)
 713                 /* add scaled modes */
 714                 radeon_add_common_modes(encoder, connector);
 715         else {
 716                 /* only 800x600 is supported right now on pre-avivo chips */
 717                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 718                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 719                 drm_mode_probed_add(connector, tv_mode);
 720         }
 721         return 1;
 722 }
 723
 724 static int radeon_tv_mode_valid(struct drm_connector *connector,
 725                                 struct drm_display_mode *mode)
 726 {
 727         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 728                 return MODE_CLOCK_RANGE;
 729         return MODE_OK;
 730 }
 731
 732 static enum drm_connector_status
 733 radeon_tv_detect(struct drm_connector *connector, bool force)
 734 {
 735         struct drm_encoder *encoder;
 736         struct drm_encoder_helper_funcs *encoder_funcs;
 737         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 738         enum drm_connector_status ret = connector_status_disconnected;
 739
 740         if (!radeon_connector->dac_load_detect)
 741                 return ret;
 742
 743         encoder = radeon_best_single_encoder(connector);
 744         if (!encoder)
 745                 ret = connector_status_disconnected;
 746         else {
 747                 encoder_funcs = encoder->helper_private;
 748                 ret = encoder_funcs->detect(encoder, connector);
 749         }
 750         if (ret == connector_status_connected)
 751                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 752         radeon_connector_update_scratch_regs(connector, ret);
 753         return ret;
 754 }
 755
 756 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 757         .get_modes = radeon_tv_get_modes,
 758         .mode_valid = radeon_tv_mode_valid,
 759         .best_encoder = radeon_best_single_encoder,
 760 };
 761
 762 struct drm_connector_funcs radeon_tv_connector_funcs = {
 763         .dpms = drm_helper_connector_dpms,
 764         .detect = radeon_tv_detect,
 765         .fill_modes = drm_helper_probe_single_connector_modes,
 766         .destroy = radeon_connector_destroy,
 767         .set_property = radeon_connector_set_property,
 768 };
 769
 770 static int radeon_dvi_get_modes(struct drm_connector *connector)
 771 {
 772         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 773         int ret;
 774
 775         ret = radeon_ddc_get_modes(radeon_connector);
 776         return ret;
 777 }
 778
 779 /*
 780  * DVI is complicated
 781  * Do a DDC probe, if DDC probe passes, get the full EDID so
 782  * we can do analog/digital monitor detection at this point.
 783  * If the monitor is an analog monitor or we got no DDC,
 784  * we need to find the DAC encoder object for this connector.
 785  * If we got no DDC, we do load detection on the DAC encoder object.
 786  * If we got analog DDC or load detection passes on the DAC encoder
 787  * we have to check if this analog encoder is shared with anyone else (TV)
 788  * if its shared we have to set the other connector to disconnected.
 789  */
 790 static enum drm_connector_status
 791 radeon_dvi_detect(struct drm_connector *connector, bool force)
 792 {
 793         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 794         struct drm_encoder *encoder = NULL;
 795         struct drm_encoder_helper_funcs *encoder_funcs;
 796         struct drm_mode_object *obj;
 797         int i;
 798         enum drm_connector_status ret = connector_status_disconnected;
 799         bool dret = false;
 800
 801         if (radeon_connector->ddc_bus)
 802                 dret = radeon_ddc_probe(radeon_connector);
 803         if (dret) {
 804                 if (radeon_connector->edid) {
 805                         kfree(radeon_connector->edid);
 806                         radeon_connector->edid = NULL;
 807                 }
 808                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 809
 810                 if (!radeon_connector->edid) {
 811                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 812                                         drm_get_connector_name(connector));
 813                 } else {
 814                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 815
 816                         /* some oems have boards with separate digital and analog connectors
 817                          * with a shared ddc line (often vga + hdmi)
 818                          */
 819                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 820                                 kfree(radeon_connector->edid);
 821                                 radeon_connector->edid = NULL;
 822                                 ret = connector_status_disconnected;
 823                         } else
 824                                 ret = connector_status_connected;
 825
 826                         /* This gets complicated.  We have boards with VGA + HDMI with a
 827                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 828                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 829                          * you don't really know what's connected to which port as both are digital.
 830                          */
 831                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 832                                 struct drm_device *dev = connector->dev;
 833                                 struct radeon_device *rdev = dev->dev_private;
 834                                 struct drm_connector *list_connector;
 835                                 struct radeon_connector *list_radeon_connector;
 836                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 837                                         if (connector == list_connector)
 838                                                 continue;
 839                                         list_radeon_connector = to_radeon_connector(list_connector);
 840                                         if (list_radeon_connector->shared_ddc &&
 841                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 842                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 843                                                 /* cases where both connectors are digital */
 844                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 845                                                         /* hpd is our only option in this case */
 846                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 847                                                                 kfree(radeon_connector->edid);
 848                                                                 radeon_connector->edid = NULL;
 849                                                                 ret = connector_status_disconnected;
 850                                                         }
 851                                                 }
 852                                         }
 853                                 }
 854                         }
 855                 }
 856         }
 857
 858         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 859                 goto out;
 860
 861         if (!force) {
 862                 ret = connector->status;
 863                 goto out;
 864         }
 865
 866         /* find analog encoder */
 867         if (radeon_connector->dac_load_detect) {
 868                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 869                         if (connector->encoder_ids[i] == 0)
 870                                 break;
 871
 872                         obj = drm_mode_object_find(connector->dev,
 873                                                    connector->encoder_ids[i],
 874                                                    DRM_MODE_OBJECT_ENCODER);
 875                         if (!obj)
 876                                 continue;
 877
 878                         encoder = obj_to_encoder(obj);
 879
 880                         encoder_funcs = encoder->helper_private;
 881                         if (encoder_funcs->detect) {
 882                                 if (ret != connector_status_connected) {
 883                                         ret = encoder_funcs->detect(encoder, connector);
 884                                         if (ret == connector_status_connected) {
 885                                                 radeon_connector->use_digital = false;
 886                                         }
 887                                 }
 888                                 break;
 889                         }
 890                 }
 891         }
 892
 893         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 894             encoder) {
 895                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 896         }
 897
 898 out:
 899         /* updated in get modes as well since we need to know if it's analog or digital */
 900         radeon_connector_update_scratch_regs(connector, ret);
 901         return ret;
 902 }
 903
 904 /* okay need to be smart in here about which encoder to pick */
 905 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 906 {
 907         int enc_id = connector->encoder_ids[0];
 908         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 909         struct drm_mode_object *obj;
 910         struct drm_encoder *encoder;
 911         int i;
 912         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 913                 if (connector->encoder_ids[i] == 0)
 914                         break;
 915
 916                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 917                 if (!obj)
 918                         continue;
 919
 920                 encoder = obj_to_encoder(obj);
 921
 922                 if (radeon_connector->use_digital == true) {
 923                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 924                                 return encoder;
 925                 } else {
 926                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 927                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 928                                 return encoder;
 929                 }
 930         }
 931
 932         /* see if we have a default encoder  TODO */
 933
 934         /* then check use digitial */
 935         /* pick the first one */
 936         if (enc_id) {
 937                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 938                 if (!obj)
 939                         return NULL;
 940                 encoder = obj_to_encoder(obj);
 941                 return encoder;
 942         }
 943         return NULL;
 944 }
 945
 946 static void radeon_dvi_force(struct drm_connector *connector)
 947 {
 948         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 949         if (connector->force == DRM_FORCE_ON)
 950                 radeon_connector->use_digital = false;
 951         if (connector->force == DRM_FORCE_ON_DIGITAL)
 952                 radeon_connector->use_digital = true;
 953 }
 954
 955 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 956                                   struct drm_display_mode *mode)
 957 {
 958         struct drm_device *dev = connector->dev;
 959         struct radeon_device *rdev = dev->dev_private;
 960         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 961
 962         /* XXX check mode bandwidth */
 963
 964         /* clocks over 135 MHz have heat issues with DVI on RV100 */
 965         if (radeon_connector->use_digital &&
 966             (rdev->family == CHIP_RV100) &&
 967             (mode->clock > 135000))
 968                 return MODE_CLOCK_HIGH;
 969
 970         if (radeon_connector->use_digital && (mode->clock > 165000)) {
 971                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 972                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
 973                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
 974                         return MODE_OK;
 975                 else
 976                         return MODE_CLOCK_HIGH;
 977         }
 978         return MODE_OK;
 979 }
 980
 981 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
 982         .get_modes = radeon_dvi_get_modes,
 983         .mode_valid = radeon_dvi_mode_valid,
 984         .best_encoder = radeon_dvi_encoder,
 985 };
 986
 987 struct drm_connector_funcs radeon_dvi_connector_funcs = {
 988         .dpms = drm_helper_connector_dpms,
 989         .detect = radeon_dvi_detect,
 990         .fill_modes = drm_helper_probe_single_connector_modes,
 991         .set_property = radeon_connector_set_property,
 992         .destroy = radeon_connector_destroy,
 993         .force = radeon_dvi_force,
 994 };
 995
 996 static void radeon_dp_connector_destroy(struct drm_connector *connector)
 997 {
 998         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 999         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1000
1001         if (radeon_connector->edid)
1002                 kfree(radeon_connector->edid);
1003         if (radeon_dig_connector->dp_i2c_bus)
1004                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1005         kfree(radeon_connector->con_priv);
1006         drm_sysfs_connector_remove(connector);
1007         drm_connector_cleanup(connector);
1008         kfree(connector);
1009 }
1010
1011 static int radeon_dp_get_modes(struct drm_connector *connector)
1012 {
1013         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1014         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1015         int ret;
1016
1017         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1018                 if (!radeon_dig_connector->edp_on)
1019                         atombios_set_edp_panel_power(connector,
1020                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1021         }
1022         ret = radeon_ddc_get_modes(radeon_connector);
1023         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1024                 if (!radeon_dig_connector->edp_on)
1025                         atombios_set_edp_panel_power(connector,
1026                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1027         }
1028
1029         return ret;
1030 }
1031
1032 static enum drm_connector_status
1033 radeon_dp_detect(struct drm_connector *connector, bool force)
1034 {
1035         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1036         enum drm_connector_status ret = connector_status_disconnected;
1037         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1038
1039         if (radeon_connector->edid) {
1040                 kfree(radeon_connector->edid);
1041                 radeon_connector->edid = NULL;
1042         }
1043
1044         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1045                 /* eDP is always DP */
1046                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1047                 if (!radeon_dig_connector->edp_on)
1048                         atombios_set_edp_panel_power(connector,
1049                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1050                 if (radeon_dp_getdpcd(radeon_connector))
1051                         ret = connector_status_connected;
1052                 if (!radeon_dig_connector->edp_on)
1053                         atombios_set_edp_panel_power(connector,
1054                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1055         } else {
1056                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1057                 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1058                         if (radeon_dp_getdpcd(radeon_connector))
1059                                 ret = connector_status_connected;
1060                 } else {
1061                         if (radeon_ddc_probe(radeon_connector))
1062                                 ret = connector_status_connected;
1063                 }
1064         }
1065
1066         radeon_connector_update_scratch_regs(connector, ret);
1067         return ret;
1068 }
1069
1070 static int radeon_dp_mode_valid(struct drm_connector *connector,
1071                                   struct drm_display_mode *mode)
1072 {
1073         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1074         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1075
1076         /* XXX check mode bandwidth */
1077
1078         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1079             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1080                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1081         else
1082                 return MODE_OK;
1083 }
1084
1085 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1086         .get_modes = radeon_dp_get_modes,
1087         .mode_valid = radeon_dp_mode_valid,
1088         .best_encoder = radeon_dvi_encoder,
1089 };
1090
1091 struct drm_connector_funcs radeon_dp_connector_funcs = {
1092         .dpms = drm_helper_connector_dpms,
1093         .detect = radeon_dp_detect,
1094         .fill_modes = drm_helper_probe_single_connector_modes,
1095         .set_property = radeon_connector_set_property,
1096         .destroy = radeon_dp_connector_destroy,
1097         .force = radeon_dvi_force,
1098 };
1099
1100 void
1101 radeon_add_atom_connector(struct drm_device *dev,
1102                           uint32_t connector_id,
1103                           uint32_t supported_device,
1104                           int connector_type,
1105                           struct radeon_i2c_bus_rec *i2c_bus,
1106                           uint32_t igp_lane_info,
1107                           uint16_t connector_object_id,
1108                           struct radeon_hpd *hpd,
1109                           struct radeon_router *router)
1110 {
1111         struct radeon_device *rdev = dev->dev_private;
1112         struct drm_connector *connector;
1113         struct radeon_connector *radeon_connector;
1114         struct radeon_connector_atom_dig *radeon_dig_connector;
1115         uint32_t subpixel_order = SubPixelNone;
1116         bool shared_ddc = false;
1117
1118         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1119                 return;
1120
1121         /* if the user selected tv=0 don't try and add the connector */
1122         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1123              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1124              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1125             (radeon_tv == 0))
1126                 return;
1127
1128         /* see if we already added it */
1129         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1130                 radeon_connector = to_radeon_connector(connector);
1131                 if (radeon_connector->connector_id == connector_id) {
1132                         radeon_connector->devices |= supported_device;
1133                         return;
1134                 }
1135                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1136                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1137                                 radeon_connector->shared_ddc = true;
1138                                 shared_ddc = true;
1139                         }
1140                         if (radeon_connector->router_bus && router->ddc_valid &&
1141                             (radeon_connector->router.router_id == router->router_id)) {
1142                                 radeon_connector->shared_ddc = false;
1143                                 shared_ddc = false;
1144                         }
1145                 }
1146         }
1147
1148         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1149         if (!radeon_connector)
1150                 return;
1151
1152         connector = &radeon_connector->base;
1153
1154         radeon_connector->connector_id = connector_id;
1155         radeon_connector->devices = supported_device;
1156         radeon_connector->shared_ddc = shared_ddc;
1157         radeon_connector->connector_object_id = connector_object_id;
1158         radeon_connector->hpd = *hpd;
1159         radeon_connector->router = *router;
1160         if (router->ddc_valid || router->cd_valid) {
1161                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1162                 if (!radeon_connector->router_bus)
1163                         goto failed;
1164         }
1165         switch (connector_type) {
1166         case DRM_MODE_CONNECTOR_VGA:
1167                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1168                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1169                 if (i2c_bus->valid) {
1170                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1171                         if (!radeon_connector->ddc_bus)
1172                                 goto failed;
1173                 }
1174                 radeon_connector->dac_load_detect = true;
1175                 drm_connector_attach_property(&radeon_connector->base,
1176                                               rdev->mode_info.load_detect_property,
1177                                               1);
1178                 /* no HPD on analog connectors */
1179                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1180                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1181                 connector->interlace_allowed = true;
1182                 connector->doublescan_allowed = true;
1183                 break;
1184         case DRM_MODE_CONNECTOR_DVIA:
1185                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1186                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1187                 if (i2c_bus->valid) {
1188                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1189                         if (!radeon_connector->ddc_bus)
1190                                 goto failed;
1191                 }
1192                 radeon_connector->dac_load_detect = true;
1193                 drm_connector_attach_property(&radeon_connector->base,
1194                                               rdev->mode_info.load_detect_property,
1195                                               1);
1196                 /* no HPD on analog connectors */
1197                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1198                 connector->interlace_allowed = true;
1199                 connector->doublescan_allowed = true;
1200                 break;
1201         case DRM_MODE_CONNECTOR_DVII:
1202         case DRM_MODE_CONNECTOR_DVID:
1203                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1204                 if (!radeon_dig_connector)
1205                         goto failed;
1206                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1207                 radeon_connector->con_priv = radeon_dig_connector;
1208                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1209                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1210                 if (i2c_bus->valid) {
1211                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1212                         if (!radeon_connector->ddc_bus)
1213                                 goto failed;
1214                 }
1215                 subpixel_order = SubPixelHorizontalRGB;
1216                 drm_connector_attach_property(&radeon_connector->base,
1217                                               rdev->mode_info.coherent_mode_property,
1218                                               1);
1219                 if (ASIC_IS_AVIVO(rdev)) {
1220                         drm_connector_attach_property(&radeon_connector->base,
1221                                                       rdev->mode_info.underscan_property,
1222                                                       UNDERSCAN_AUTO);
1223                         drm_connector_attach_property(&radeon_connector->base,
1224                                                       rdev->mode_info.underscan_hborder_property,
1225                                                       0);
1226                         drm_connector_attach_property(&radeon_connector->base,
1227                                                       rdev->mode_info.underscan_vborder_property,
1228                                                       0);
1229                 }
1230                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1231                         radeon_connector->dac_load_detect = true;
1232                         drm_connector_attach_property(&radeon_connector->base,
1233                                                       rdev->mode_info.load_detect_property,
1234                                                       1);
1235                 }
1236                 connector->interlace_allowed = true;
1237                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1238                         connector->doublescan_allowed = true;
1239                 else
1240                         connector->doublescan_allowed = false;
1241                 break;
1242         case DRM_MODE_CONNECTOR_HDMIA:
1243         case DRM_MODE_CONNECTOR_HDMIB:
1244                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1245                 if (!radeon_dig_connector)
1246                         goto failed;
1247                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1248                 radeon_connector->con_priv = radeon_dig_connector;
1249                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1250                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1251                 if (i2c_bus->valid) {
1252                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1253                         if (!radeon_connector->ddc_bus)
1254                                 goto failed;
1255                 }
1256                 drm_connector_attach_property(&radeon_connector->base,
1257                                               rdev->mode_info.coherent_mode_property,
1258                                               1);
1259                 if (ASIC_IS_AVIVO(rdev)) {
1260                         drm_connector_attach_property(&radeon_connector->base,
1261                                                       rdev->mode_info.underscan_property,
1262                                                       UNDERSCAN_AUTO);
1263                         drm_connector_attach_property(&radeon_connector->base,
1264                                                       rdev->mode_info.underscan_hborder_property,
1265                                                       0);
1266                         drm_connector_attach_property(&radeon_connector->base,
1267                                                       rdev->mode_info.underscan_vborder_property,
1268                                                       0);
1269                 }
1270                 subpixel_order = SubPixelHorizontalRGB;
1271                 connector->interlace_allowed = true;
1272                 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1273                         connector->doublescan_allowed = true;
1274                 else
1275                         connector->doublescan_allowed = false;
1276                 break;
1277         case DRM_MODE_CONNECTOR_DisplayPort:
1278         case DRM_MODE_CONNECTOR_eDP:
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_dp_connector_funcs, connector_type);
1285                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1286                 if (i2c_bus->valid) {
1287                         /* add DP i2c bus */
1288                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1289                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1290                         else
1291                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1292                         if (!radeon_dig_connector->dp_i2c_bus)
1293                                 goto failed;
1294                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1295                         if (!radeon_connector->ddc_bus)
1296                                 goto failed;
1297                 }
1298                 subpixel_order = SubPixelHorizontalRGB;
1299                 drm_connector_attach_property(&radeon_connector->base,
1300                                               rdev->mode_info.coherent_mode_property,
1301                                               1);
1302                 if (ASIC_IS_AVIVO(rdev)) {
1303                         drm_connector_attach_property(&radeon_connector->base,
1304                                                       rdev->mode_info.underscan_property,
1305                                                       UNDERSCAN_AUTO);
1306                         drm_connector_attach_property(&radeon_connector->base,
1307                                                       rdev->mode_info.underscan_hborder_property,
1308                                                       0);
1309                         drm_connector_attach_property(&radeon_connector->base,
1310                                                       rdev->mode_info.underscan_vborder_property,
1311                                                       0);
1312                 }
1313                 connector->interlace_allowed = true;
1314                 /* in theory with a DP to VGA converter... */
1315                 connector->doublescan_allowed = false;
1316                 break;
1317         case DRM_MODE_CONNECTOR_SVIDEO:
1318         case DRM_MODE_CONNECTOR_Composite:
1319         case DRM_MODE_CONNECTOR_9PinDIN:
1320                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1321                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1322                 radeon_connector->dac_load_detect = true;
1323                 drm_connector_attach_property(&radeon_connector->base,
1324                                               rdev->mode_info.load_detect_property,
1325                                               1);
1326                 drm_connector_attach_property(&radeon_connector->base,
1327                                               rdev->mode_info.tv_std_property,
1328                                               radeon_atombios_get_tv_info(rdev));
1329                 /* no HPD on analog connectors */
1330                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1331                 connector->interlace_allowed = false;
1332                 connector->doublescan_allowed = false;
1333                 break;
1334         case DRM_MODE_CONNECTOR_LVDS:
1335                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1336                 if (!radeon_dig_connector)
1337                         goto failed;
1338                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1339                 radeon_connector->con_priv = radeon_dig_connector;
1340                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1341                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1342                 if (i2c_bus->valid) {
1343                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1344                         if (!radeon_connector->ddc_bus)
1345                                 goto failed;
1346                 }
1347                 drm_connector_attach_property(&radeon_connector->base,
1348                                               dev->mode_config.scaling_mode_property,
1349                                               DRM_MODE_SCALE_FULLSCREEN);
1350                 subpixel_order = SubPixelHorizontalRGB;
1351                 connector->interlace_allowed = false;
1352                 connector->doublescan_allowed = false;
1353                 break;
1354         }
1355
1356         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1357                 if (i2c_bus->valid)
1358                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1359         } else
1360                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1361
1362         connector->display_info.subpixel_order = subpixel_order;
1363         drm_sysfs_connector_add(connector);
1364         return;
1365
1366 failed:
1367         drm_connector_cleanup(connector);
1368         kfree(connector);
1369 }
1370
1371 void
1372 radeon_add_legacy_connector(struct drm_device *dev,
1373                             uint32_t connector_id,
1374                             uint32_t supported_device,
1375                             int connector_type,
1376                             struct radeon_i2c_bus_rec *i2c_bus,
1377                             uint16_t connector_object_id,
1378                             struct radeon_hpd *hpd)
1379 {
1380         struct radeon_device *rdev = dev->dev_private;
1381         struct drm_connector *connector;
1382         struct radeon_connector *radeon_connector;
1383         uint32_t subpixel_order = SubPixelNone;
1384
1385         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1386                 return;
1387
1388         /* if the user selected tv=0 don't try and add the connector */
1389         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1390              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1391              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1392             (radeon_tv == 0))
1393                 return;
1394
1395         /* see if we already added it */
1396         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1397                 radeon_connector = to_radeon_connector(connector);
1398                 if (radeon_connector->connector_id == connector_id) {
1399                         radeon_connector->devices |= supported_device;
1400                         return;
1401                 }
1402         }
1403
1404         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1405         if (!radeon_connector)
1406                 return;
1407
1408         connector = &radeon_connector->base;
1409
1410         radeon_connector->connector_id = connector_id;
1411         radeon_connector->devices = supported_device;
1412         radeon_connector->connector_object_id = connector_object_id;
1413         radeon_connector->hpd = *hpd;
1414         switch (connector_type) {
1415         case DRM_MODE_CONNECTOR_VGA:
1416                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1417                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1418                 if (i2c_bus->valid) {
1419                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1420                         if (!radeon_connector->ddc_bus)
1421                                 goto failed;
1422                 }
1423                 radeon_connector->dac_load_detect = true;
1424                 drm_connector_attach_property(&radeon_connector->base,
1425                                               rdev->mode_info.load_detect_property,
1426                                               1);
1427                 /* no HPD on analog connectors */
1428                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1429                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1430                 connector->interlace_allowed = true;
1431                 connector->doublescan_allowed = true;
1432                 break;
1433         case DRM_MODE_CONNECTOR_DVIA:
1434                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1435                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1436                 if (i2c_bus->valid) {
1437                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1438                         if (!radeon_connector->ddc_bus)
1439                                 goto failed;
1440                 }
1441                 radeon_connector->dac_load_detect = true;
1442                 drm_connector_attach_property(&radeon_connector->base,
1443                                               rdev->mode_info.load_detect_property,
1444                                               1);
1445                 /* no HPD on analog connectors */
1446                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1447                 connector->interlace_allowed = true;
1448                 connector->doublescan_allowed = true;
1449                 break;
1450         case DRM_MODE_CONNECTOR_DVII:
1451         case DRM_MODE_CONNECTOR_DVID:
1452                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1453                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1454                 if (i2c_bus->valid) {
1455                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1456                         if (!radeon_connector->ddc_bus)
1457                                 goto failed;
1458                 }
1459                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1460                         radeon_connector->dac_load_detect = true;
1461                         drm_connector_attach_property(&radeon_connector->base,
1462                                                       rdev->mode_info.load_detect_property,
1463                                                       1);
1464                 }
1465                 subpixel_order = SubPixelHorizontalRGB;
1466                 connector->interlace_allowed = true;
1467                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1468                         connector->doublescan_allowed = true;
1469                 else
1470                         connector->doublescan_allowed = false;
1471                 break;
1472         case DRM_MODE_CONNECTOR_SVIDEO:
1473         case DRM_MODE_CONNECTOR_Composite:
1474         case DRM_MODE_CONNECTOR_9PinDIN:
1475                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1476                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1477                 radeon_connector->dac_load_detect = true;
1478                 /* RS400,RC410,RS480 chipset seems to report a lot
1479                  * of false positive on load detect, we haven't yet
1480                  * found a way to make load detect reliable on those
1481                  * chipset, thus just disable it for TV.
1482                  */
1483                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1484                         radeon_connector->dac_load_detect = false;
1485                 drm_connector_attach_property(&radeon_connector->base,
1486                                               rdev->mode_info.load_detect_property,
1487                                               radeon_connector->dac_load_detect);
1488                 drm_connector_attach_property(&radeon_connector->base,
1489                                               rdev->mode_info.tv_std_property,
1490                                               radeon_combios_get_tv_info(rdev));
1491                 /* no HPD on analog connectors */
1492                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1493                 connector->interlace_allowed = false;
1494                 connector->doublescan_allowed = false;
1495                 break;
1496         case DRM_MODE_CONNECTOR_LVDS:
1497                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1498                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1499                 if (i2c_bus->valid) {
1500                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1501                         if (!radeon_connector->ddc_bus)
1502                                 goto failed;
1503                 }
1504                 drm_connector_attach_property(&radeon_connector->base,
1505                                               dev->mode_config.scaling_mode_property,
1506                                               DRM_MODE_SCALE_FULLSCREEN);
1507                 subpixel_order = SubPixelHorizontalRGB;
1508                 connector->interlace_allowed = false;
1509                 connector->doublescan_allowed = false;
1510                 break;
1511         }
1512
1513         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1514                 if (i2c_bus->valid)
1515                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1516         } else
1517                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1518         connector->display_info.subpixel_order = subpixel_order;
1519         drm_sysfs_connector_add(connector);
1520         return;
1521
1522 failed:
1523         drm_connector_cleanup(connector);
1524         kfree(connector);
1525 }