drivers/gpu/drm/radeon/radeon_connectors.c

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