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 extern void
  44 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
  45                              struct drm_connector *drm_connector);
  46
  47 void radeon_connector_hotplug(struct drm_connector *connector)
  48 {
  49         struct drm_device *dev = connector->dev;
  50         struct radeon_device *rdev = dev->dev_private;
  51         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
  52
  53         radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
  54
  55         /* pre-r600 did not always have the hpd pins mapped accurately to connectors */
  56         if (rdev->family >= CHIP_R600) {
  57                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
  58                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
  59                 else
  60                         drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
  61         }
  62 }
  63
  64 static void radeon_property_change_mode(struct drm_encoder *encoder)
  65 {
  66         struct drm_crtc *crtc = encoder->crtc;
  67
  68         if (crtc && crtc->enabled) {
  69                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  70                                          crtc->x, crtc->y, crtc->fb);
  71         }
  72 }
  73 static void
  74 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
  75 {
  76         struct drm_device *dev = connector->dev;
  77         struct radeon_device *rdev = dev->dev_private;
  78         struct drm_encoder *best_encoder = NULL;
  79         struct drm_encoder *encoder = NULL;
  80         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
  81         struct drm_mode_object *obj;
  82         bool connected;
  83         int i;
  84
  85         best_encoder = connector_funcs->best_encoder(connector);
  86
  87         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  88                 if (connector->encoder_ids[i] == 0)
  89                         break;
  90
  91                 obj = drm_mode_object_find(connector->dev,
  92                                            connector->encoder_ids[i],
  93                                            DRM_MODE_OBJECT_ENCODER);
  94                 if (!obj)
  95                         continue;
  96
  97                 encoder = obj_to_encoder(obj);
  98
  99                 if ((encoder == best_encoder) && (status == connector_status_connected))
 100                         connected = true;
 101                 else
 102                         connected = false;
 103
 104                 if (rdev->is_atom_bios)
 105                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
 106                 else
 107                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
 108
 109         }
 110 }
 111
 112 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
 113 {
 114         struct drm_mode_object *obj;
 115         struct drm_encoder *encoder;
 116         int i;
 117
 118         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 119                 if (connector->encoder_ids[i] == 0)
 120                         break;
 121
 122                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 123                 if (!obj)
 124                         continue;
 125
 126                 encoder = obj_to_encoder(obj);
 127                 if (encoder->encoder_type == encoder_type)
 128                         return encoder;
 129         }
 130         return NULL;
 131 }
 132
 133 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 134 {
 135         int enc_id = connector->encoder_ids[0];
 136         struct drm_mode_object *obj;
 137         struct drm_encoder *encoder;
 138
 139         /* pick the encoder ids */
 140         if (enc_id) {
 141                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 142                 if (!obj)
 143                         return NULL;
 144                 encoder = obj_to_encoder(obj);
 145                 return encoder;
 146         }
 147         return NULL;
 148 }
 149
 150 /*
 151  * radeon_connector_analog_encoder_conflict_solve
 152  * - search for other connectors sharing this encoder
 153  *   if priority is true, then set them disconnected if this is connected
 154  *   if priority is false, set us disconnected if they are connected
 155  */
 156 static enum drm_connector_status
 157 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 158                                                struct drm_encoder *encoder,
 159                                                enum drm_connector_status current_status,
 160                                                bool priority)
 161 {
 162         struct drm_device *dev = connector->dev;
 163         struct drm_connector *conflict;
 164         struct radeon_connector *radeon_conflict;
 165         int i;
 166
 167         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 168                 if (conflict == connector)
 169                         continue;
 170
 171                 radeon_conflict = to_radeon_connector(conflict);
 172                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 173                         if (conflict->encoder_ids[i] == 0)
 174                                 break;
 175
 176                         /* if the IDs match */
 177                         if (conflict->encoder_ids[i] == encoder->base.id) {
 178                                 if (conflict->status != connector_status_connected)
 179                                         continue;
 180
 181                                 if (radeon_conflict->use_digital)
 182                                         continue;
 183
 184                                 if (priority == true) {
 185                                         DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 186                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
 187                                         conflict->status = connector_status_disconnected;
 188                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 189                                 } else {
 190                                         DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 191                                         DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
 192                                         current_status = connector_status_disconnected;
 193                                 }
 194                                 break;
 195                         }
 196                 }
 197         }
 198         return current_status;
 199
 200 }
 201
 202 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 203 {
 204         struct drm_device *dev = encoder->dev;
 205         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 206         struct drm_display_mode *mode = NULL;
 207         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 208
 209         if (native_mode->hdisplay != 0 &&
 210             native_mode->vdisplay != 0 &&
 211             native_mode->clock != 0) {
 212                 mode = drm_mode_duplicate(dev, native_mode);
 213                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 214                 drm_mode_set_name(mode);
 215
 216                 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
 217         } else if (native_mode->hdisplay != 0 &&
 218                    native_mode->vdisplay != 0) {
 219                 /* mac laptops without an edid */
 220                 /* Note that this is not necessarily the exact panel mode,
 221                  * but an approximation based on the cvt formula.  For these
 222                  * systems we should ideally read the mode info out of the
 223                  * registers or add a mode table, but this works and is much
 224                  * simpler.
 225                  */
 226                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
 227                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 228                 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 229         }
 230         return mode;
 231 }
 232
 233 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 234 {
 235         struct drm_device *dev = encoder->dev;
 236         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 237         struct drm_display_mode *mode = NULL;
 238         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 239         int i;
 240         struct mode_size {
 241                 int w;
 242                 int h;
 243         } common_modes[17] = {
 244                 { 640,  480},
 245                 { 720,  480},
 246                 { 800,  600},
 247                 { 848,  480},
 248                 {1024,  768},
 249                 {1152,  768},
 250                 {1280,  720},
 251                 {1280,  800},
 252                 {1280,  854},
 253                 {1280,  960},
 254                 {1280, 1024},
 255                 {1440,  900},
 256                 {1400, 1050},
 257                 {1680, 1050},
 258                 {1600, 1200},
 259                 {1920, 1080},
 260                 {1920, 1200}
 261         };
 262
 263         for (i = 0; i < 17; i++) {
 264                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
 265                         if (common_modes[i].w > 1024 ||
 266                             common_modes[i].h > 768)
 267                                 continue;
 268                 }
 269                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 270                         if (common_modes[i].w > native_mode->hdisplay ||
 271                             common_modes[i].h > native_mode->vdisplay ||
 272                             (common_modes[i].w == native_mode->hdisplay &&
 273                              common_modes[i].h == native_mode->vdisplay))
 274                                 continue;
 275                 }
 276                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 277                         continue;
 278
 279                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 280                 drm_mode_probed_add(connector, mode);
 281         }
 282 }
 283
 284 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 285                                   uint64_t val)
 286 {
 287         struct drm_device *dev = connector->dev;
 288         struct radeon_device *rdev = dev->dev_private;
 289         struct drm_encoder *encoder;
 290         struct radeon_encoder *radeon_encoder;
 291
 292         if (property == rdev->mode_info.coherent_mode_property) {
 293                 struct radeon_encoder_atom_dig *dig;
 294                 bool new_coherent_mode;
 295
 296                 /* need to find digital encoder on connector */
 297                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 298                 if (!encoder)
 299                         return 0;
 300
 301                 radeon_encoder = to_radeon_encoder(encoder);
 302
 303                 if (!radeon_encoder->enc_priv)
 304                         return 0;
 305
 306                 dig = radeon_encoder->enc_priv;
 307                 new_coherent_mode = val ? true : false;
 308                 if (dig->coherent_mode != new_coherent_mode) {
 309                         dig->coherent_mode = new_coherent_mode;
 310                         radeon_property_change_mode(&radeon_encoder->base);
 311                 }
 312         }
 313
 314         if (property == rdev->mode_info.underscan_property) {
 315                 /* need to find digital encoder on connector */
 316                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 317                 if (!encoder)
 318                         return 0;
 319
 320                 radeon_encoder = to_radeon_encoder(encoder);
 321
 322                 if (radeon_encoder->underscan_type != val) {
 323                         radeon_encoder->underscan_type = val;
 324                         radeon_property_change_mode(&radeon_encoder->base);
 325                 }
 326         }
 327
 328         if (property == rdev->mode_info.underscan_hborder_property) {
 329                 /* need to find digital encoder on connector */
 330                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 331                 if (!encoder)
 332                         return 0;
 333
 334                 radeon_encoder = to_radeon_encoder(encoder);
 335
 336                 if (radeon_encoder->underscan_hborder != val) {
 337                         radeon_encoder->underscan_hborder = val;
 338                         radeon_property_change_mode(&radeon_encoder->base);
 339                 }
 340         }
 341
 342         if (property == rdev->mode_info.underscan_vborder_property) {
 343                 /* need to find digital encoder on connector */
 344                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 345                 if (!encoder)
 346                         return 0;
 347
 348                 radeon_encoder = to_radeon_encoder(encoder);
 349
 350                 if (radeon_encoder->underscan_vborder != val) {
 351                         radeon_encoder->underscan_vborder = val;
 352                         radeon_property_change_mode(&radeon_encoder->base);
 353                 }
 354         }
 355
 356         if (property == rdev->mode_info.tv_std_property) {
 357                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 358                 if (!encoder) {
 359                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 360                 }
 361
 362                 if (!encoder)
 363                         return 0;
 364
 365                 radeon_encoder = to_radeon_encoder(encoder);
 366                 if (!radeon_encoder->enc_priv)
 367                         return 0;
 368                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
 369                         struct radeon_encoder_atom_dac *dac_int;
 370                         dac_int = radeon_encoder->enc_priv;
 371                         dac_int->tv_std = val;
 372                 } else {
 373                         struct radeon_encoder_tv_dac *dac_int;
 374                         dac_int = radeon_encoder->enc_priv;
 375                         dac_int->tv_std = val;
 376                 }
 377                 radeon_property_change_mode(&radeon_encoder->base);
 378         }
 379
 380         if (property == rdev->mode_info.load_detect_property) {
 381                 struct radeon_connector *radeon_connector =
 382                         to_radeon_connector(connector);
 383
 384                 if (val == 0)
 385                         radeon_connector->dac_load_detect = false;
 386                 else
 387                         radeon_connector->dac_load_detect = true;
 388         }
 389
 390         if (property == rdev->mode_info.tmds_pll_property) {
 391                 struct radeon_encoder_int_tmds *tmds = NULL;
 392                 bool ret = false;
 393                 /* need to find digital encoder on connector */
 394                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 395                 if (!encoder)
 396                         return 0;
 397
 398                 radeon_encoder = to_radeon_encoder(encoder);
 399
 400                 tmds = radeon_encoder->enc_priv;
 401                 if (!tmds)
 402                         return 0;
 403
 404                 if (val == 0) {
 405                         if (rdev->is_atom_bios)
 406                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 407                         else
 408                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 409                 }
 410                 if (val == 1 || ret == false) {
 411                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 412                 }
 413                 radeon_property_change_mode(&radeon_encoder->base);
 414         }
 415
 416         return 0;
 417 }
 418
 419 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 420                                           struct drm_connector *connector)
 421 {
 422         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 423         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 424
 425         /* Try to get native mode details from EDID if necessary */
 426         if (!native_mode->clock) {
 427                 struct drm_display_mode *t, *mode;
 428
 429                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 430                         if (mode->hdisplay == native_mode->hdisplay &&
 431                             mode->vdisplay == native_mode->vdisplay) {
 432                                 *native_mode = *mode;
 433                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 434                                 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
 435                                 break;
 436                         }
 437                 }
 438         }
 439         if (!native_mode->clock) {
 440                 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
 441                 radeon_encoder->rmx_type = RMX_OFF;
 442         }
 443 }
 444
 445 static int radeon_lvds_get_modes(struct drm_connector *connector)
 446 {
 447         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 448         struct drm_encoder *encoder;
 449         int ret = 0;
 450         struct drm_display_mode *mode;
 451
 452         if (radeon_connector->ddc_bus) {
 453                 ret = radeon_ddc_get_modes(radeon_connector);
 454                 if (ret > 0) {
 455                         encoder = radeon_best_single_encoder(connector);
 456                         if (encoder) {
 457                                 radeon_fixup_lvds_native_mode(encoder, connector);
 458                                 /* add scaled modes */
 459                                 radeon_add_common_modes(encoder, connector);
 460                         }
 461                         return ret;
 462                 }
 463         }
 464
 465         encoder = radeon_best_single_encoder(connector);
 466         if (!encoder)
 467                 return 0;
 468
 469         /* we have no EDID modes */
 470         mode = radeon_fp_native_mode(encoder);
 471         if (mode) {
 472                 ret = 1;
 473                 drm_mode_probed_add(connector, mode);
 474                 /* add the width/height from vbios tables if available */
 475                 connector->display_info.width_mm = mode->width_mm;
 476                 connector->display_info.height_mm = mode->height_mm;
 477                 /* add scaled modes */
 478                 radeon_add_common_modes(encoder, connector);
 479         }
 480
 481         return ret;
 482 }
 483
 484 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 485                                   struct drm_display_mode *mode)
 486 {
 487         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 488
 489         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 490                 return MODE_PANEL;
 491
 492         if (encoder) {
 493                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 494                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 495
 496                 /* AVIVO hardware supports downscaling modes larger than the panel
 497                  * to the panel size, but I'm not sure this is desirable.
 498                  */
 499                 if ((mode->hdisplay > native_mode->hdisplay) ||
 500                     (mode->vdisplay > native_mode->vdisplay))
 501                         return MODE_PANEL;
 502
 503                 /* if scaling is disabled, block non-native modes */
 504                 if (radeon_encoder->rmx_type == RMX_OFF) {
 505                         if ((mode->hdisplay != native_mode->hdisplay) ||
 506                             (mode->vdisplay != native_mode->vdisplay))
 507                                 return MODE_PANEL;
 508                 }
 509         }
 510
 511         return MODE_OK;
 512 }
 513
 514 static enum drm_connector_status
 515 radeon_lvds_detect(struct drm_connector *connector, bool force)
 516 {
 517         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 518         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 519         enum drm_connector_status ret = connector_status_disconnected;
 520
 521         if (encoder) {
 522                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 523                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 524
 525                 /* check if panel is valid */
 526                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 527                         ret = connector_status_connected;
 528
 529         }
 530
 531         /* check for edid as well */
 532         if (radeon_connector->edid)
 533                 ret = connector_status_connected;
 534         else {
 535                 if (radeon_connector->ddc_bus) {
 536                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 537                                                               &radeon_connector->ddc_bus->adapter);
 538                         if (radeon_connector->edid)
 539                                 ret = connector_status_connected;
 540                 }
 541         }
 542         /* check acpi lid status ??? */
 543
 544         radeon_connector_update_scratch_regs(connector, ret);
 545         return ret;
 546 }
 547
 548 static void radeon_connector_destroy(struct drm_connector *connector)
 549 {
 550         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 551
 552         if (radeon_connector->edid)
 553                 kfree(radeon_connector->edid);
 554         kfree(radeon_connector->con_priv);
 555         drm_sysfs_connector_remove(connector);
 556         drm_connector_cleanup(connector);
 557         kfree(connector);
 558 }
 559
 560 static int radeon_lvds_set_property(struct drm_connector *connector,
 561                                     struct drm_property *property,
 562                                     uint64_t value)
 563 {
 564         struct drm_device *dev = connector->dev;
 565         struct radeon_encoder *radeon_encoder;
 566         enum radeon_rmx_type rmx_type;
 567
 568         DRM_DEBUG_KMS("\n");
 569         if (property != dev->mode_config.scaling_mode_property)
 570                 return 0;
 571
 572         if (connector->encoder)
 573                 radeon_encoder = to_radeon_encoder(connector->encoder);
 574         else {
 575                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 576                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 577         }
 578
 579         switch (value) {
 580         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 581         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 582         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 583         default:
 584         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 585         }
 586         if (radeon_encoder->rmx_type == rmx_type)
 587                 return 0;
 588
 589         radeon_encoder->rmx_type = rmx_type;
 590
 591         radeon_property_change_mode(&radeon_encoder->base);
 592         return 0;
 593 }
 594
 595
 596 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 597         .get_modes = radeon_lvds_get_modes,
 598         .mode_valid = radeon_lvds_mode_valid,
 599         .best_encoder = radeon_best_single_encoder,
 600 };
 601
 602 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 603         .dpms = drm_helper_connector_dpms,
 604         .detect = radeon_lvds_detect,
 605         .fill_modes = drm_helper_probe_single_connector_modes,
 606         .destroy = radeon_connector_destroy,
 607         .set_property = radeon_lvds_set_property,
 608 };
 609
 610 static int radeon_vga_get_modes(struct drm_connector *connector)
 611 {
 612         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 613         int ret;
 614
 615         ret = radeon_ddc_get_modes(radeon_connector);
 616
 617         return ret;
 618 }
 619
 620 static int radeon_vga_mode_valid(struct drm_connector *connector,
 621                                   struct drm_display_mode *mode)
 622 {
 623         /* XXX check mode bandwidth */
 624         /* XXX verify against max DAC output frequency */
 625         return MODE_OK;
 626 }
 627
 628 static enum drm_connector_status
 629 radeon_vga_detect(struct drm_connector *connector, bool force)
 630 {
 631         struct drm_device *dev = connector->dev;
 632         struct radeon_device *rdev = dev->dev_private;
 633         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 634         struct drm_encoder *encoder;
 635         struct drm_encoder_helper_funcs *encoder_funcs;
 636         bool dret = false;
 637         enum drm_connector_status ret = connector_status_disconnected;
 638
 639         encoder = radeon_best_single_encoder(connector);
 640         if (!encoder)
 641                 ret = connector_status_disconnected;
 642
 643         if (radeon_connector->ddc_bus)
 644                 dret = radeon_ddc_probe(radeon_connector);
 645         if (dret) {
 646                 if (radeon_connector->edid) {
 647                         kfree(radeon_connector->edid);
 648                         radeon_connector->edid = NULL;
 649                 }
 650                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 651
 652                 if (!radeon_connector->edid) {
 653                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 654                                         drm_get_connector_name(connector));
 655                         ret = connector_status_connected;
 656                 } else {
 657                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 658
 659                         /* some oems have boards with separate digital and analog connectors
 660                          * with a shared ddc line (often vga + hdmi)
 661                          */
 662                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 663                                 kfree(radeon_connector->edid);
 664                                 radeon_connector->edid = NULL;
 665                                 ret = connector_status_disconnected;
 666                         } else
 667                                 ret = connector_status_connected;
 668                 }
 669         } else {
 670
 671                 /* if we aren't forcing don't do destructive polling */
 672                 if (!force)
 673                         return connector->status;
 674
 675                 if (radeon_connector->dac_load_detect && encoder) {
 676                         encoder_funcs = encoder->helper_private;
 677                         ret = encoder_funcs->detect(encoder, connector);
 678                 }
 679         }
 680
 681         if (ret == connector_status_connected)
 682                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 683
 684         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 685          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 686          * by other means, assume the CRT is connected and use that EDID.
 687          */
 688         if ((!rdev->is_atom_bios) &&
 689             (ret == connector_status_disconnected) &&
 690             rdev->mode_info.bios_hardcoded_edid_size) {
 691                 ret = connector_status_connected;
 692         }
 693
 694         radeon_connector_update_scratch_regs(connector, ret);
 695         return ret;
 696 }
 697
 698 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 699         .get_modes = radeon_vga_get_modes,
 700         .mode_valid = radeon_vga_mode_valid,
 701         .best_encoder = radeon_best_single_encoder,
 702 };
 703
 704 struct drm_connector_funcs radeon_vga_connector_funcs = {
 705         .dpms = drm_helper_connector_dpms,
 706         .detect = radeon_vga_detect,
 707         .fill_modes = drm_helper_probe_single_connector_modes,
 708         .destroy = radeon_connector_destroy,
 709         .set_property = radeon_connector_set_property,
 710 };
 711
 712 static int radeon_tv_get_modes(struct drm_connector *connector)
 713 {
 714         struct drm_device *dev = connector->dev;
 715         struct radeon_device *rdev = dev->dev_private;
 716         struct drm_display_mode *tv_mode;
 717         struct drm_encoder *encoder;
 718
 719         encoder = radeon_best_single_encoder(connector);
 720         if (!encoder)
 721                 return 0;
 722
 723         /* avivo chips can scale any mode */
 724         if (rdev->family >= CHIP_RS600)
 725                 /* add scaled modes */
 726                 radeon_add_common_modes(encoder, connector);
 727         else {
 728                 /* only 800x600 is supported right now on pre-avivo chips */
 729                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 730                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 731                 drm_mode_probed_add(connector, tv_mode);
 732         }
 733         return 1;
 734 }
 735
 736 static int radeon_tv_mode_valid(struct drm_connector *connector,
 737                                 struct drm_display_mode *mode)
 738 {
 739         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 740                 return MODE_CLOCK_RANGE;
 741         return MODE_OK;
 742 }
 743
 744 static enum drm_connector_status
 745 radeon_tv_detect(struct drm_connector *connector, bool force)
 746 {
 747         struct drm_encoder *encoder;
 748         struct drm_encoder_helper_funcs *encoder_funcs;
 749         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 750         enum drm_connector_status ret = connector_status_disconnected;
 751
 752         if (!radeon_connector->dac_load_detect)
 753                 return ret;
 754
 755         encoder = radeon_best_single_encoder(connector);
 756         if (!encoder)
 757                 ret = connector_status_disconnected;
 758         else {
 759                 encoder_funcs = encoder->helper_private;
 760                 ret = encoder_funcs->detect(encoder, connector);
 761         }
 762         if (ret == connector_status_connected)
 763                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 764         radeon_connector_update_scratch_regs(connector, ret);
 765         return ret;
 766 }
 767
 768 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 769         .get_modes = radeon_tv_get_modes,
 770         .mode_valid = radeon_tv_mode_valid,
 771         .best_encoder = radeon_best_single_encoder,
 772 };
 773
 774 struct drm_connector_funcs radeon_tv_connector_funcs = {
 775         .dpms = drm_helper_connector_dpms,
 776         .detect = radeon_tv_detect,
 777         .fill_modes = drm_helper_probe_single_connector_modes,
 778         .destroy = radeon_connector_destroy,
 779         .set_property = radeon_connector_set_property,
 780 };
 781
 782 static int radeon_dvi_get_modes(struct drm_connector *connector)
 783 {
 784         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 785         int ret;
 786
 787         ret = radeon_ddc_get_modes(radeon_connector);
 788         return ret;
 789 }
 790
 791 /*
 792  * DVI is complicated
 793  * Do a DDC probe, if DDC probe passes, get the full EDID so
 794  * we can do analog/digital monitor detection at this point.
 795  * If the monitor is an analog monitor or we got no DDC,
 796  * we need to find the DAC encoder object for this connector.
 797  * If we got no DDC, we do load detection on the DAC encoder object.
 798  * If we got analog DDC or load detection passes on the DAC encoder
 799  * we have to check if this analog encoder is shared with anyone else (TV)
 800  * if its shared we have to set the other connector to disconnected.
 801  */
 802 static enum drm_connector_status
 803 radeon_dvi_detect(struct drm_connector *connector, bool force)
 804 {
 805         struct drm_device *dev = connector->dev;
 806         struct radeon_device *rdev = dev->dev_private;
 807         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 808         struct drm_encoder *encoder = NULL;
 809         struct drm_encoder_helper_funcs *encoder_funcs;
 810         struct drm_mode_object *obj;
 811         int i;
 812         enum drm_connector_status ret = connector_status_disconnected;
 813         bool dret = false;
 814
 815         if (radeon_connector->ddc_bus)
 816                 dret = radeon_ddc_probe(radeon_connector);
 817         if (dret) {
 818                 if (radeon_connector->edid) {
 819                         kfree(radeon_connector->edid);
 820                         radeon_connector->edid = NULL;
 821                 }
 822                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 823
 824                 if (!radeon_connector->edid) {
 825                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 826                                         drm_get_connector_name(connector));
 827                 } else {
 828                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 829
 830                         /* some oems have boards with separate digital and analog connectors
 831                          * with a shared ddc line (often vga + hdmi)
 832                          */
 833                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 834                                 kfree(radeon_connector->edid);
 835                                 radeon_connector->edid = NULL;
 836                                 ret = connector_status_disconnected;
 837                         } else
 838                                 ret = connector_status_connected;
 839
 840                         /* This gets complicated.  We have boards with VGA + HDMI with a
 841                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
 842                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
 843                          * you don't really know what's connected to which port as both are digital.
 844                          */
 845                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
 846                                 struct drm_connector *list_connector;
 847                                 struct radeon_connector *list_radeon_connector;
 848                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 849                                         if (connector == list_connector)
 850                                                 continue;
 851                                         list_radeon_connector = to_radeon_connector(list_connector);
 852                                         if (list_radeon_connector->shared_ddc &&
 853                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
 854                                              radeon_connector->ddc_bus->rec.i2c_id)) {
 855                                                 /* cases where both connectors are digital */
 856                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
 857                                                         /* hpd is our only option in this case */
 858                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
 859                                                                 kfree(radeon_connector->edid);
 860                                                                 radeon_connector->edid = NULL;
 861                                                                 ret = connector_status_disconnected;
 862                                                         }
 863                                                 }
 864                                         }
 865                                 }
 866                         }
 867                 }
 868         }
 869
 870         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 871                 goto out;
 872
 873         if (!force) {
 874                 ret = connector->status;
 875                 goto out;
 876         }
 877
 878         /* find analog encoder */
 879         if (radeon_connector->dac_load_detect) {
 880                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 881                         if (connector->encoder_ids[i] == 0)
 882                                 break;
 883
 884                         obj = drm_mode_object_find(connector->dev,
 885                                                    connector->encoder_ids[i],
 886                                                    DRM_MODE_OBJECT_ENCODER);
 887                         if (!obj)
 888                                 continue;
 889
 890                         encoder = obj_to_encoder(obj);
 891
 892                         encoder_funcs = encoder->helper_private;
 893                         if (encoder_funcs->detect) {
 894                                 if (ret != connector_status_connected) {
 895                                         ret = encoder_funcs->detect(encoder, connector);
 896                                         if (ret == connector_status_connected) {
 897                                                 radeon_connector->use_digital = false;
 898                                         }
 899                                 }
 900                                 break;
 901                         }
 902                 }
 903         }
 904
 905         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 906             encoder) {
 907                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 908         }
 909
 910         /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
 911          * vbios to deal with KVMs. If we have one and are not able to detect a monitor
 912          * by other means, assume the DFP is connected and use that EDID.  In most
 913          * cases the DVI port is actually a virtual KVM port connected to the service
 914          * processor.
 915          */
 916         if ((!rdev->is_atom_bios) &&
 917             (ret == connector_status_disconnected) &&
 918             rdev->mode_info.bios_hardcoded_edid_size) {
 919                 radeon_connector->use_digital = true;
 920                 ret = connector_status_connected;
 921         }
 922
 923 out:
 924         /* updated in get modes as well since we need to know if it's analog or digital */
 925         radeon_connector_update_scratch_regs(connector, ret);
 926         return ret;
 927 }
 928
 929 /* okay need to be smart in here about which encoder to pick */
 930 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 931 {
 932         int enc_id = connector->encoder_ids[0];
 933         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 934         struct drm_mode_object *obj;
 935         struct drm_encoder *encoder;
 936         int i;
 937         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 938                 if (connector->encoder_ids[i] == 0)
 939                         break;
 940
 941                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 942                 if (!obj)
 943                         continue;
 944
 945                 encoder = obj_to_encoder(obj);
 946
 947                 if (radeon_connector->use_digital == true) {
 948                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 949                                 return encoder;
 950                 } else {
 951                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 952                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 953                                 return encoder;
 954                 }
 955         }
 956
 957         /* see if we have a default encoder  TODO */
 958
 959         /* then check use digitial */
 960         /* pick the first one */
 961         if (enc_id) {
 962                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 963                 if (!obj)
 964                         return NULL;
 965                 encoder = obj_to_encoder(obj);
 966                 return encoder;
 967         }
 968         return NULL;
 969 }
 970
 971 static void radeon_dvi_force(struct drm_connector *connector)
 972 {
 973         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 974         if (connector->force == DRM_FORCE_ON)
 975                 radeon_connector->use_digital = false;
 976         if (connector->force == DRM_FORCE_ON_DIGITAL)
 977                 radeon_connector->use_digital = true;
 978 }
 979
 980 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 981                                   struct drm_display_mode *mode)
 982 {
 983         struct drm_device *dev = connector->dev;
 984         struct radeon_device *rdev = dev->dev_private;
 985         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 986
 987         /* XXX check mode bandwidth */
 988
 989         /* clocks over 135 MHz have heat issues with DVI on RV100 */
 990         if (radeon_connector->use_digital &&
 991             (rdev->family == CHIP_RV100) &&
 992             (mode->clock > 135000))
 993                 return MODE_CLOCK_HIGH;
 994
 995         if (radeon_connector->use_digital && (mode->clock > 165000)) {
 996                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 997                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
 998                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
 999                         return MODE_OK;
1000                 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1001                         if (ASIC_IS_DCE3(rdev)) {
1002                                 /* HDMI 1.3+ supports max clock of 340 Mhz */
1003                                 if (mode->clock > 340000)
1004                                         return MODE_CLOCK_HIGH;
1005                                 else
1006                                         return MODE_OK;
1007                         } else
1008                                 return MODE_CLOCK_HIGH;
1009                 } else
1010                         return MODE_CLOCK_HIGH;
1011         }
1012         return MODE_OK;
1013 }
1014
1015 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1016         .get_modes = radeon_dvi_get_modes,
1017         .mode_valid = radeon_dvi_mode_valid,
1018         .best_encoder = radeon_dvi_encoder,
1019 };
1020
1021 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1022         .dpms = drm_helper_connector_dpms,
1023         .detect = radeon_dvi_detect,
1024         .fill_modes = drm_helper_probe_single_connector_modes,
1025         .set_property = radeon_connector_set_property,
1026         .destroy = radeon_connector_destroy,
1027         .force = radeon_dvi_force,
1028 };
1029
1030 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1031 {
1032         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1033         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1034
1035         if (radeon_connector->edid)
1036                 kfree(radeon_connector->edid);
1037         if (radeon_dig_connector->dp_i2c_bus)
1038                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1039         kfree(radeon_connector->con_priv);
1040         drm_sysfs_connector_remove(connector);
1041         drm_connector_cleanup(connector);
1042         kfree(connector);
1043 }
1044
1045 static int radeon_dp_get_modes(struct drm_connector *connector)
1046 {
1047         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1048         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1049         int ret;
1050
1051         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1052                 if (!radeon_dig_connector->edp_on)
1053                         atombios_set_edp_panel_power(connector,
1054                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1055         }
1056         ret = radeon_ddc_get_modes(radeon_connector);
1057         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1058                 if (!radeon_dig_connector->edp_on)
1059                         atombios_set_edp_panel_power(connector,
1060                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1061         }
1062
1063         return ret;
1064 }
1065
1066 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector)
1067 {
1068         struct drm_mode_object *obj;
1069         struct drm_encoder *encoder;
1070         struct radeon_encoder *radeon_encoder;
1071         int i;
1072         bool found = false;
1073
1074         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1075                 if (connector->encoder_ids[i] == 0)
1076                         break;
1077
1078                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1079                 if (!obj)
1080                         continue;
1081
1082                 encoder = obj_to_encoder(obj);
1083                 radeon_encoder = to_radeon_encoder(encoder);
1084
1085                 switch (radeon_encoder->encoder_id) {
1086                 case ENCODER_OBJECT_ID_TRAVIS:
1087                 case ENCODER_OBJECT_ID_NUTMEG:
1088                         found = true;
1089                         break;
1090                 default:
1091                         break;
1092                 }
1093         }
1094
1095         return found;
1096 }
1097
1098 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1099 {
1100         struct drm_mode_object *obj;
1101         struct drm_encoder *encoder;
1102         struct radeon_encoder *radeon_encoder;
1103         int i;
1104         bool found = false;
1105
1106         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1107                 if (connector->encoder_ids[i] == 0)
1108                         break;
1109
1110                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1111                 if (!obj)
1112                         continue;
1113
1114                 encoder = obj_to_encoder(obj);
1115                 radeon_encoder = to_radeon_encoder(encoder);
1116                 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1117                         found = true;
1118         }
1119
1120         return found;
1121 }
1122
1123 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1124 {
1125         struct drm_device *dev = connector->dev;
1126         struct radeon_device *rdev = dev->dev_private;
1127
1128         if (ASIC_IS_DCE5(rdev) &&
1129             (rdev->clock.dp_extclk >= 53900) &&
1130             radeon_connector_encoder_is_hbr2(connector)) {
1131                 return true;
1132         }
1133
1134         return false;
1135 }
1136
1137 static enum drm_connector_status
1138 radeon_dp_detect(struct drm_connector *connector, bool force)
1139 {
1140         struct drm_device *dev = connector->dev;
1141         struct radeon_device *rdev = dev->dev_private;
1142         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1143         enum drm_connector_status ret = connector_status_disconnected;
1144         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1145
1146         if (radeon_connector->edid) {
1147                 kfree(radeon_connector->edid);
1148                 radeon_connector->edid = NULL;
1149         }
1150
1151         if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1152                 /* eDP is always DP */
1153                 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1154                 if (!radeon_dig_connector->edp_on)
1155                         atombios_set_edp_panel_power(connector,
1156                                                      ATOM_TRANSMITTER_ACTION_POWER_ON);
1157                 if (radeon_dp_getdpcd(radeon_connector))
1158                         ret = connector_status_connected;
1159                 if (!radeon_dig_connector->edp_on)
1160                         atombios_set_edp_panel_power(connector,
1161                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
1162         } else {
1163                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1164                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1165                         ret = connector_status_connected;
1166                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1167                                 radeon_dp_getdpcd(radeon_connector);
1168                 } else {
1169                         if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1170                                 if (radeon_dp_getdpcd(radeon_connector))
1171                                         ret = connector_status_connected;
1172                         } else {
1173                                 if (radeon_ddc_probe(radeon_connector))
1174                                         ret = connector_status_connected;
1175                         }
1176                 }
1177         }
1178
1179         radeon_connector_update_scratch_regs(connector, ret);
1180         return ret;
1181 }
1182
1183 static int radeon_dp_mode_valid(struct drm_connector *connector,
1184                                   struct drm_display_mode *mode)
1185 {
1186         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1187         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1188
1189         /* XXX check mode bandwidth */
1190
1191         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1192             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1193                 return radeon_dp_mode_valid_helper(connector, mode);
1194         else
1195                 return MODE_OK;
1196 }
1197
1198 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1199         .get_modes = radeon_dp_get_modes,
1200         .mode_valid = radeon_dp_mode_valid,
1201         .best_encoder = radeon_dvi_encoder,
1202 };
1203
1204 struct drm_connector_funcs radeon_dp_connector_funcs = {
1205         .dpms = drm_helper_connector_dpms,
1206         .detect = radeon_dp_detect,
1207         .fill_modes = drm_helper_probe_single_connector_modes,
1208         .set_property = radeon_connector_set_property,
1209         .destroy = radeon_dp_connector_destroy,
1210         .force = radeon_dvi_force,
1211 };
1212
1213 void
1214 radeon_add_atom_connector(struct drm_device *dev,
1215                           uint32_t connector_id,
1216                           uint32_t supported_device,
1217                           int connector_type,
1218                           struct radeon_i2c_bus_rec *i2c_bus,
1219                           uint32_t igp_lane_info,
1220                           uint16_t connector_object_id,
1221                           struct radeon_hpd *hpd,
1222                           struct radeon_router *router)
1223 {
1224         struct radeon_device *rdev = dev->dev_private;
1225         struct drm_connector *connector;
1226         struct radeon_connector *radeon_connector;
1227         struct radeon_connector_atom_dig *radeon_dig_connector;
1228         struct drm_encoder *encoder;
1229         struct radeon_encoder *radeon_encoder;
1230         uint32_t subpixel_order = SubPixelNone;
1231         bool shared_ddc = false;
1232         bool is_dp_bridge = false;
1233
1234         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1235                 return;
1236
1237         /* if the user selected tv=0 don't try and add the connector */
1238         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1239              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1240              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1241             (radeon_tv == 0))
1242                 return;
1243
1244         /* see if we already added it */
1245         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1246                 radeon_connector = to_radeon_connector(connector);
1247                 if (radeon_connector->connector_id == connector_id) {
1248                         radeon_connector->devices |= supported_device;
1249                         return;
1250                 }
1251                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1252                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1253                                 radeon_connector->shared_ddc = true;
1254                                 shared_ddc = true;
1255                         }
1256                         if (radeon_connector->router_bus && router->ddc_valid &&
1257                             (radeon_connector->router.router_id == router->router_id)) {
1258                                 radeon_connector->shared_ddc = false;
1259                                 shared_ddc = false;
1260                         }
1261                 }
1262         }
1263
1264         /* check if it's a dp bridge */
1265         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1266                 radeon_encoder = to_radeon_encoder(encoder);
1267                 if (radeon_encoder->devices & supported_device) {
1268                         switch (radeon_encoder->encoder_id) {
1269                         case ENCODER_OBJECT_ID_TRAVIS:
1270                         case ENCODER_OBJECT_ID_NUTMEG:
1271                                 is_dp_bridge = true;
1272                                 break;
1273                         default:
1274                                 break;
1275                         }
1276                 }
1277         }
1278
1279         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1280         if (!radeon_connector)
1281                 return;
1282
1283         connector = &radeon_connector->base;
1284
1285         radeon_connector->connector_id = connector_id;
1286         radeon_connector->devices = supported_device;
1287         radeon_connector->shared_ddc = shared_ddc;
1288         radeon_connector->connector_object_id = connector_object_id;
1289         radeon_connector->hpd = *hpd;
1290         radeon_connector->router = *router;
1291         if (router->ddc_valid || router->cd_valid) {
1292                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1293                 if (!radeon_connector->router_bus)
1294                         DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1295         }
1296
1297         if (is_dp_bridge) {
1298                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1299                 if (!radeon_dig_connector)
1300                         goto failed;
1301                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1302                 radeon_connector->con_priv = radeon_dig_connector;
1303                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1304                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1305                 if (i2c_bus->valid) {
1306                         /* add DP i2c bus */
1307                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1308                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1309                         else
1310                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1311                         if (!radeon_dig_connector->dp_i2c_bus)
1312                                 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1313                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1314                         if (!radeon_connector->ddc_bus)
1315                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1316                 }
1317                 switch (connector_type) {
1318                 case DRM_MODE_CONNECTOR_VGA:
1319                 case DRM_MODE_CONNECTOR_DVIA:
1320                 default:
1321                         connector->interlace_allowed = true;
1322                         connector->doublescan_allowed = true;
1323                         break;
1324                 case DRM_MODE_CONNECTOR_DVII:
1325                 case DRM_MODE_CONNECTOR_DVID:
1326                 case DRM_MODE_CONNECTOR_HDMIA:
1327                 case DRM_MODE_CONNECTOR_HDMIB:
1328                 case DRM_MODE_CONNECTOR_DisplayPort:
1329                         drm_connector_attach_property(&radeon_connector->base,
1330                                                       rdev->mode_info.underscan_property,
1331                                                       UNDERSCAN_OFF);
1332                         drm_connector_attach_property(&radeon_connector->base,
1333                                                       rdev->mode_info.underscan_hborder_property,
1334                                                       0);
1335                         drm_connector_attach_property(&radeon_connector->base,
1336                                                       rdev->mode_info.underscan_vborder_property,
1337                                                       0);
1338                         subpixel_order = SubPixelHorizontalRGB;
1339                         connector->interlace_allowed = true;
1340                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1341                                 connector->doublescan_allowed = true;
1342                         else
1343                                 connector->doublescan_allowed = false;
1344                         break;
1345                 case DRM_MODE_CONNECTOR_LVDS:
1346                 case DRM_MODE_CONNECTOR_eDP:
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         } else {
1356                 switch (connector_type) {
1357                 case DRM_MODE_CONNECTOR_VGA:
1358                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1359                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1360                         if (i2c_bus->valid) {
1361                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1362                                 if (!radeon_connector->ddc_bus)
1363                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1364                         }
1365                         radeon_connector->dac_load_detect = true;
1366                         drm_connector_attach_property(&radeon_connector->base,
1367                                                       rdev->mode_info.load_detect_property,
1368                                                       1);
1369                         /* no HPD on analog connectors */
1370                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1371                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1372                         connector->interlace_allowed = true;
1373                         connector->doublescan_allowed = true;
1374                         break;
1375                 case DRM_MODE_CONNECTOR_DVIA:
1376                         drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1377                         drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1378                         if (i2c_bus->valid) {
1379                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1380                                 if (!radeon_connector->ddc_bus)
1381                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1382                         }
1383                         radeon_connector->dac_load_detect = true;
1384                         drm_connector_attach_property(&radeon_connector->base,
1385                                                       rdev->mode_info.load_detect_property,
1386                                                       1);
1387                         /* no HPD on analog connectors */
1388                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1389                         connector->interlace_allowed = true;
1390                         connector->doublescan_allowed = true;
1391                         break;
1392                 case DRM_MODE_CONNECTOR_DVII:
1393                 case DRM_MODE_CONNECTOR_DVID:
1394                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1395                         if (!radeon_dig_connector)
1396                                 goto failed;
1397                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1398                         radeon_connector->con_priv = radeon_dig_connector;
1399                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1400                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1401                         if (i2c_bus->valid) {
1402                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1403                                 if (!radeon_connector->ddc_bus)
1404                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1405                         }
1406                         subpixel_order = SubPixelHorizontalRGB;
1407                         drm_connector_attach_property(&radeon_connector->base,
1408                                                       rdev->mode_info.coherent_mode_property,
1409                                                       1);
1410                         if (ASIC_IS_AVIVO(rdev)) {
1411                                 drm_connector_attach_property(&radeon_connector->base,
1412                                                               rdev->mode_info.underscan_property,
1413                                                               UNDERSCAN_OFF);
1414                                 drm_connector_attach_property(&radeon_connector->base,
1415                                                               rdev->mode_info.underscan_hborder_property,
1416                                                               0);
1417                                 drm_connector_attach_property(&radeon_connector->base,
1418                                                               rdev->mode_info.underscan_vborder_property,
1419                                                               0);
1420                         }
1421                         if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1422                                 radeon_connector->dac_load_detect = true;
1423                                 drm_connector_attach_property(&radeon_connector->base,
1424                                                               rdev->mode_info.load_detect_property,
1425                                                               1);
1426                         }
1427                         connector->interlace_allowed = true;
1428                         if (connector_type == DRM_MODE_CONNECTOR_DVII)
1429                                 connector->doublescan_allowed = true;
1430                         else
1431                                 connector->doublescan_allowed = false;
1432                         break;
1433                 case DRM_MODE_CONNECTOR_HDMIA:
1434                 case DRM_MODE_CONNECTOR_HDMIB:
1435                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1436                         if (!radeon_dig_connector)
1437                                 goto failed;
1438                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1439                         radeon_connector->con_priv = radeon_dig_connector;
1440                         drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1441                         drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1442                         if (i2c_bus->valid) {
1443                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1444                                 if (!radeon_connector->ddc_bus)
1445                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1446                         }
1447                         drm_connector_attach_property(&radeon_connector->base,
1448                                                       rdev->mode_info.coherent_mode_property,
1449                                                       1);
1450                         if (ASIC_IS_AVIVO(rdev)) {
1451                                 drm_connector_attach_property(&radeon_connector->base,
1452                                                               rdev->mode_info.underscan_property,
1453                                                               UNDERSCAN_OFF);
1454                                 drm_connector_attach_property(&radeon_connector->base,
1455                                                               rdev->mode_info.underscan_hborder_property,
1456                                                               0);
1457                                 drm_connector_attach_property(&radeon_connector->base,
1458                                                               rdev->mode_info.underscan_vborder_property,
1459                                                               0);
1460                         }
1461                         subpixel_order = SubPixelHorizontalRGB;
1462                         connector->interlace_allowed = true;
1463                         if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1464                                 connector->doublescan_allowed = true;
1465                         else
1466                                 connector->doublescan_allowed = false;
1467                         break;
1468                 case DRM_MODE_CONNECTOR_DisplayPort:
1469                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1470                         if (!radeon_dig_connector)
1471                                 goto failed;
1472                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1473                         radeon_connector->con_priv = radeon_dig_connector;
1474                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1475                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1476                         if (i2c_bus->valid) {
1477                                 /* add DP i2c bus */
1478                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1479                                 if (!radeon_dig_connector->dp_i2c_bus)
1480                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1481                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1482                                 if (!radeon_connector->ddc_bus)
1483                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1484                         }
1485                         subpixel_order = SubPixelHorizontalRGB;
1486                         drm_connector_attach_property(&radeon_connector->base,
1487                                                       rdev->mode_info.coherent_mode_property,
1488                                                       1);
1489                         if (ASIC_IS_AVIVO(rdev)) {
1490                                 drm_connector_attach_property(&radeon_connector->base,
1491                                                               rdev->mode_info.underscan_property,
1492                                                               UNDERSCAN_OFF);
1493                                 drm_connector_attach_property(&radeon_connector->base,
1494                                                               rdev->mode_info.underscan_hborder_property,
1495                                                               0);
1496                                 drm_connector_attach_property(&radeon_connector->base,
1497                                                               rdev->mode_info.underscan_vborder_property,
1498                                                               0);
1499                         }
1500                         connector->interlace_allowed = true;
1501                         /* in theory with a DP to VGA converter... */
1502                         connector->doublescan_allowed = false;
1503                         break;
1504                 case DRM_MODE_CONNECTOR_eDP:
1505                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1506                         if (!radeon_dig_connector)
1507                                 goto failed;
1508                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1509                         radeon_connector->con_priv = radeon_dig_connector;
1510                         drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1511                         drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1512                         if (i2c_bus->valid) {
1513                                 /* add DP i2c bus */
1514                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1515                                 if (!radeon_dig_connector->dp_i2c_bus)
1516                                         DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1517                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1518                                 if (!radeon_connector->ddc_bus)
1519                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1520                         }
1521                         drm_connector_attach_property(&radeon_connector->base,
1522                                                       dev->mode_config.scaling_mode_property,
1523                                                       DRM_MODE_SCALE_FULLSCREEN);
1524                         subpixel_order = SubPixelHorizontalRGB;
1525                         connector->interlace_allowed = false;
1526                         connector->doublescan_allowed = false;
1527                         break;
1528                 case DRM_MODE_CONNECTOR_SVIDEO:
1529                 case DRM_MODE_CONNECTOR_Composite:
1530                 case DRM_MODE_CONNECTOR_9PinDIN:
1531                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1532                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1533                         radeon_connector->dac_load_detect = true;
1534                         drm_connector_attach_property(&radeon_connector->base,
1535                                                       rdev->mode_info.load_detect_property,
1536                                                       1);
1537                         drm_connector_attach_property(&radeon_connector->base,
1538                                                       rdev->mode_info.tv_std_property,
1539                                                       radeon_atombios_get_tv_info(rdev));
1540                         /* no HPD on analog connectors */
1541                         radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1542                         connector->interlace_allowed = false;
1543                         connector->doublescan_allowed = false;
1544                         break;
1545                 case DRM_MODE_CONNECTOR_LVDS:
1546                         radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1547                         if (!radeon_dig_connector)
1548                                 goto failed;
1549                         radeon_dig_connector->igp_lane_info = igp_lane_info;
1550                         radeon_connector->con_priv = radeon_dig_connector;
1551                         drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1552                         drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1553                         if (i2c_bus->valid) {
1554                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1555                                 if (!radeon_connector->ddc_bus)
1556                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1557                         }
1558                         drm_connector_attach_property(&radeon_connector->base,
1559                                                       dev->mode_config.scaling_mode_property,
1560                                                       DRM_MODE_SCALE_FULLSCREEN);
1561                         subpixel_order = SubPixelHorizontalRGB;
1562                         connector->interlace_allowed = false;
1563                         connector->doublescan_allowed = false;
1564                         break;
1565                 }
1566         }
1567
1568         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1569                 if (i2c_bus->valid)
1570                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1571         } else
1572                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1573
1574         connector->display_info.subpixel_order = subpixel_order;
1575         drm_sysfs_connector_add(connector);
1576         return;
1577
1578 failed:
1579         drm_connector_cleanup(connector);
1580         kfree(connector);
1581 }
1582
1583 void
1584 radeon_add_legacy_connector(struct drm_device *dev,
1585                             uint32_t connector_id,
1586                             uint32_t supported_device,
1587                             int connector_type,
1588                             struct radeon_i2c_bus_rec *i2c_bus,
1589                             uint16_t connector_object_id,
1590                             struct radeon_hpd *hpd)
1591 {
1592         struct radeon_device *rdev = dev->dev_private;
1593         struct drm_connector *connector;
1594         struct radeon_connector *radeon_connector;
1595         uint32_t subpixel_order = SubPixelNone;
1596
1597         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1598                 return;
1599
1600         /* if the user selected tv=0 don't try and add the connector */
1601         if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1602              (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1603              (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1604             (radeon_tv == 0))
1605                 return;
1606
1607         /* see if we already added it */
1608         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1609                 radeon_connector = to_radeon_connector(connector);
1610                 if (radeon_connector->connector_id == connector_id) {
1611                         radeon_connector->devices |= supported_device;
1612                         return;
1613                 }
1614         }
1615
1616         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1617         if (!radeon_connector)
1618                 return;
1619
1620         connector = &radeon_connector->base;
1621
1622         radeon_connector->connector_id = connector_id;
1623         radeon_connector->devices = supported_device;
1624         radeon_connector->connector_object_id = connector_object_id;
1625         radeon_connector->hpd = *hpd;
1626         switch (connector_type) {
1627         case DRM_MODE_CONNECTOR_VGA:
1628                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1629                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1630                 if (i2c_bus->valid) {
1631                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1632                         if (!radeon_connector->ddc_bus)
1633                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1634                 }
1635                 radeon_connector->dac_load_detect = true;
1636                 drm_connector_attach_property(&radeon_connector->base,
1637                                               rdev->mode_info.load_detect_property,
1638                                               1);
1639                 /* no HPD on analog connectors */
1640                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1641                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1642                 connector->interlace_allowed = true;
1643                 connector->doublescan_allowed = true;
1644                 break;
1645         case DRM_MODE_CONNECTOR_DVIA:
1646                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1647                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1648                 if (i2c_bus->valid) {
1649                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1650                         if (!radeon_connector->ddc_bus)
1651                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1652                 }
1653                 radeon_connector->dac_load_detect = true;
1654                 drm_connector_attach_property(&radeon_connector->base,
1655                                               rdev->mode_info.load_detect_property,
1656                                               1);
1657                 /* no HPD on analog connectors */
1658                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1659                 connector->interlace_allowed = true;
1660                 connector->doublescan_allowed = true;
1661                 break;
1662         case DRM_MODE_CONNECTOR_DVII:
1663         case DRM_MODE_CONNECTOR_DVID:
1664                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1665                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1666                 if (i2c_bus->valid) {
1667                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1668                         if (!radeon_connector->ddc_bus)
1669                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1670                 }
1671                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1672                         radeon_connector->dac_load_detect = true;
1673                         drm_connector_attach_property(&radeon_connector->base,
1674                                                       rdev->mode_info.load_detect_property,
1675                                                       1);
1676                 }
1677                 subpixel_order = SubPixelHorizontalRGB;
1678                 connector->interlace_allowed = true;
1679                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1680                         connector->doublescan_allowed = true;
1681                 else
1682                         connector->doublescan_allowed = false;
1683                 break;
1684         case DRM_MODE_CONNECTOR_SVIDEO:
1685         case DRM_MODE_CONNECTOR_Composite:
1686         case DRM_MODE_CONNECTOR_9PinDIN:
1687                 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1688                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1689                 radeon_connector->dac_load_detect = true;
1690                 /* RS400,RC410,RS480 chipset seems to report a lot
1691                  * of false positive on load detect, we haven't yet
1692                  * found a way to make load detect reliable on those
1693                  * chipset, thus just disable it for TV.
1694                  */
1695                 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1696                         radeon_connector->dac_load_detect = false;
1697                 drm_connector_attach_property(&radeon_connector->base,
1698                                               rdev->mode_info.load_detect_property,
1699                                               radeon_connector->dac_load_detect);
1700                 drm_connector_attach_property(&radeon_connector->base,
1701                                               rdev->mode_info.tv_std_property,
1702                                               radeon_combios_get_tv_info(rdev));
1703                 /* no HPD on analog connectors */
1704                 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1705                 connector->interlace_allowed = false;
1706                 connector->doublescan_allowed = false;
1707                 break;
1708         case DRM_MODE_CONNECTOR_LVDS:
1709                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1710                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1711                 if (i2c_bus->valid) {
1712                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1713                         if (!radeon_connector->ddc_bus)
1714                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1715                 }
1716                 drm_connector_attach_property(&radeon_connector->base,
1717                                               dev->mode_config.scaling_mode_property,
1718                                               DRM_MODE_SCALE_FULLSCREEN);
1719                 subpixel_order = SubPixelHorizontalRGB;
1720                 connector->interlace_allowed = false;
1721                 connector->doublescan_allowed = false;
1722                 break;
1723         }
1724
1725         if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1726                 if (i2c_bus->valid)
1727                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1728         } else
1729                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1730         connector->display_info.subpixel_order = subpixel_order;
1731         drm_sysfs_connector_add(connector);
1732         if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1733                 struct drm_encoder *drm_encoder;
1734
1735                 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1736                         struct radeon_encoder *radeon_encoder;
1737
1738                         radeon_encoder = to_radeon_encoder(drm_encoder);
1739                         if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1740                                 radeon_legacy_backlight_init(radeon_encoder, connector);
1741                 }
1742         }
1743 }