SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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
 291                 /* need to find digital encoder on connector */
 292                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 293                 if (!encoder)
 294                         return 0;
 295
 296                 radeon_encoder = to_radeon_encoder(encoder);
 297
 298                 if (!radeon_encoder->enc_priv)
 299                         return 0;
 300
 301                 dig = radeon_encoder->enc_priv;
 302                 dig->coherent_mode = val ? true : false;
 303                 radeon_property_change_mode(&radeon_encoder->base);
 304         }
 305
 306         if (property == rdev->mode_info.tv_std_property) {
 307                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 308                 if (!encoder) {
 309                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 310                 }
 311
 312                 if (!encoder)
 313                         return 0;
 314
 315                 radeon_encoder = to_radeon_encoder(encoder);
 316                 if (!radeon_encoder->enc_priv)
 317                         return 0;
 318                 if (rdev->is_atom_bios) {
 319                         struct radeon_encoder_atom_dac *dac_int;
 320                         dac_int = radeon_encoder->enc_priv;
 321                         dac_int->tv_std = val;
 322                 } else {
 323                         struct radeon_encoder_tv_dac *dac_int;
 324                         dac_int = radeon_encoder->enc_priv;
 325                         dac_int->tv_std = val;
 326                 }
 327                 radeon_property_change_mode(&radeon_encoder->base);
 328         }
 329
 330         if (property == rdev->mode_info.load_detect_property) {
 331                 struct radeon_connector *radeon_connector =
 332                         to_radeon_connector(connector);
 333
 334                 if (val == 0)
 335                         radeon_connector->dac_load_detect = false;
 336                 else
 337                         radeon_connector->dac_load_detect = true;
 338         }
 339
 340         if (property == rdev->mode_info.tmds_pll_property) {
 341                 struct radeon_encoder_int_tmds *tmds = NULL;
 342                 bool ret = false;
 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                 tmds = radeon_encoder->enc_priv;
 351                 if (!tmds)
 352                         return 0;
 353
 354                 if (val == 0) {
 355                         if (rdev->is_atom_bios)
 356                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 357                         else
 358                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 359                 }
 360                 if (val == 1 || ret == false) {
 361                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 362                 }
 363                 radeon_property_change_mode(&radeon_encoder->base);
 364         }
 365
 366         return 0;
 367 }
 368
 369 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 370                                           struct drm_connector *connector)
 371 {
 372         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 373         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 374
 375         /* Try to get native mode details from EDID if necessary */
 376         if (!native_mode->clock) {
 377                 struct drm_display_mode *t, *mode;
 378
 379                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 380                         if (mode->hdisplay == native_mode->hdisplay &&
 381                             mode->vdisplay == native_mode->vdisplay) {
 382                                 *native_mode = *mode;
 383                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 384                                 DRM_INFO("Determined LVDS native mode details from EDID\n");
 385                                 break;
 386                         }
 387                 }
 388         }
 389         if (!native_mode->clock) {
 390                 DRM_INFO("No LVDS native mode details, disabling RMX\n");
 391                 radeon_encoder->rmx_type = RMX_OFF;
 392         }
 393 }
 394
 395 static int radeon_lvds_get_modes(struct drm_connector *connector)
 396 {
 397         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 398         struct drm_encoder *encoder;
 399         int ret = 0;
 400         struct drm_display_mode *mode;
 401
 402         if (radeon_connector->ddc_bus) {
 403                 ret = radeon_ddc_get_modes(radeon_connector);
 404                 if (ret > 0) {
 405                         encoder = radeon_best_single_encoder(connector);
 406                         if (encoder) {
 407                                 radeon_fixup_lvds_native_mode(encoder, connector);
 408                                 /* add scaled modes */
 409                                 radeon_add_common_modes(encoder, connector);
 410                         }
 411                         return ret;
 412                 }
 413         }
 414
 415         encoder = radeon_best_single_encoder(connector);
 416         if (!encoder)
 417                 return 0;
 418
 419         /* we have no EDID modes */
 420         mode = radeon_fp_native_mode(encoder);
 421         if (mode) {
 422                 ret = 1;
 423                 drm_mode_probed_add(connector, mode);
 424                 /* add scaled modes */
 425                 radeon_add_common_modes(encoder, connector);
 426         }
 427
 428         return ret;
 429 }
 430
 431 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 432                                   struct drm_display_mode *mode)
 433 {
 434         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 435
 436         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
 437                 return MODE_PANEL;
 438
 439         if (encoder) {
 440                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 441                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 442
 443                 /* AVIVO hardware supports downscaling modes larger than the panel
 444                  * to the panel size, but I'm not sure this is desirable.
 445                  */
 446                 if ((mode->hdisplay > native_mode->hdisplay) ||
 447                     (mode->vdisplay > native_mode->vdisplay))
 448                         return MODE_PANEL;
 449
 450                 /* if scaling is disabled, block non-native modes */
 451                 if (radeon_encoder->rmx_type == RMX_OFF) {
 452                         if ((mode->hdisplay != native_mode->hdisplay) ||
 453                             (mode->vdisplay != native_mode->vdisplay))
 454                                 return MODE_PANEL;
 455                 }
 456         }
 457
 458         return MODE_OK;
 459 }
 460
 461 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
 462 {
 463         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 464         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 465         enum drm_connector_status ret = connector_status_disconnected;
 466
 467         if (encoder) {
 468                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 469                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 470
 471                 /* check if panel is valid */
 472                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 473                         ret = connector_status_connected;
 474
 475         }
 476
 477         /* check for edid as well */
 478         if (radeon_connector->edid)
 479                 ret = connector_status_connected;
 480         else {
 481                 if (radeon_connector->ddc_bus) {
 482                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 483                                                               &radeon_connector->ddc_bus->adapter);
 484                         if (radeon_connector->edid)
 485                                 ret = connector_status_connected;
 486                 }
 487         }
 488         /* check acpi lid status ??? */
 489
 490         radeon_connector_update_scratch_regs(connector, ret);
 491         return ret;
 492 }
 493
 494 static void radeon_connector_destroy(struct drm_connector *connector)
 495 {
 496         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 497
 498         if (radeon_connector->ddc_bus)
 499                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 500         if (radeon_connector->edid)
 501                 kfree(radeon_connector->edid);
 502         kfree(radeon_connector->con_priv);
 503         drm_sysfs_connector_remove(connector);
 504         drm_connector_cleanup(connector);
 505         kfree(connector);
 506 }
 507
 508 static int radeon_lvds_set_property(struct drm_connector *connector,
 509                                     struct drm_property *property,
 510                                     uint64_t value)
 511 {
 512         struct drm_device *dev = connector->dev;
 513         struct radeon_encoder *radeon_encoder;
 514         enum radeon_rmx_type rmx_type;
 515
 516         DRM_DEBUG("\n");
 517         if (property != dev->mode_config.scaling_mode_property)
 518                 return 0;
 519
 520         if (connector->encoder)
 521                 radeon_encoder = to_radeon_encoder(connector->encoder);
 522         else {
 523                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 524                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 525         }
 526
 527         switch (value) {
 528         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 529         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 530         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 531         default:
 532         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 533         }
 534         if (radeon_encoder->rmx_type == rmx_type)
 535                 return 0;
 536
 537         radeon_encoder->rmx_type = rmx_type;
 538
 539         radeon_property_change_mode(&radeon_encoder->base);
 540         return 0;
 541 }
 542
 543
 544 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 545         .get_modes = radeon_lvds_get_modes,
 546         .mode_valid = radeon_lvds_mode_valid,
 547         .best_encoder = radeon_best_single_encoder,
 548 };
 549
 550 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 551         .dpms = drm_helper_connector_dpms,
 552         .detect = radeon_lvds_detect,
 553         .fill_modes = drm_helper_probe_single_connector_modes,
 554         .destroy = radeon_connector_destroy,
 555         .set_property = radeon_lvds_set_property,
 556 };
 557
 558 static int radeon_vga_get_modes(struct drm_connector *connector)
 559 {
 560         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 561         int ret;
 562
 563         ret = radeon_ddc_get_modes(radeon_connector);
 564
 565         return ret;
 566 }
 567
 568 static int radeon_vga_mode_valid(struct drm_connector *connector,
 569                                   struct drm_display_mode *mode)
 570 {
 571         /* XXX check mode bandwidth */
 572         /* XXX verify against max DAC output frequency */
 573         return MODE_OK;
 574 }
 575
 576 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
 577 {
 578         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 579         struct drm_encoder *encoder;
 580         struct drm_encoder_helper_funcs *encoder_funcs;
 581         bool dret;
 582         enum drm_connector_status ret = connector_status_disconnected;
 583
 584         encoder = radeon_best_single_encoder(connector);
 585         if (!encoder)
 586                 ret = connector_status_disconnected;
 587
 588         dret = radeon_ddc_probe(radeon_connector);
 589         if (dret) {
 590                 if (radeon_connector->edid) {
 591                         kfree(radeon_connector->edid);
 592                         radeon_connector->edid = NULL;
 593                 }
 594                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 595
 596                 if (!radeon_connector->edid) {
 597                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 598                                         drm_get_connector_name(connector));
 599                         ret = connector_status_connected;
 600                 } else {
 601                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 602
 603                         /* some oems have boards with separate digital and analog connectors
 604                          * with a shared ddc line (often vga + hdmi)
 605                          */
 606                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
 607                                 kfree(radeon_connector->edid);
 608                                 radeon_connector->edid = NULL;
 609                                 ret = connector_status_disconnected;
 610                         } else
 611                                 ret = connector_status_connected;
 612                 }
 613         } else {
 614                 if (radeon_connector->dac_load_detect && encoder) {
 615                         encoder_funcs = encoder->helper_private;
 616                         ret = encoder_funcs->detect(encoder, connector);
 617                 }
 618         }
 619
 620         if (ret == connector_status_connected)
 621                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 622         radeon_connector_update_scratch_regs(connector, ret);
 623         return ret;
 624 }
 625
 626 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 627         .get_modes = radeon_vga_get_modes,
 628         .mode_valid = radeon_vga_mode_valid,
 629         .best_encoder = radeon_best_single_encoder,
 630 };
 631
 632 struct drm_connector_funcs radeon_vga_connector_funcs = {
 633         .dpms = drm_helper_connector_dpms,
 634         .detect = radeon_vga_detect,
 635         .fill_modes = drm_helper_probe_single_connector_modes,
 636         .destroy = radeon_connector_destroy,
 637         .set_property = radeon_connector_set_property,
 638 };
 639
 640 static int radeon_tv_get_modes(struct drm_connector *connector)
 641 {
 642         struct drm_device *dev = connector->dev;
 643         struct radeon_device *rdev = dev->dev_private;
 644         struct drm_display_mode *tv_mode;
 645         struct drm_encoder *encoder;
 646
 647         encoder = radeon_best_single_encoder(connector);
 648         if (!encoder)
 649                 return 0;
 650
 651         /* avivo chips can scale any mode */
 652         if (rdev->family >= CHIP_RS600)
 653                 /* add scaled modes */
 654                 radeon_add_common_modes(encoder, connector);
 655         else {
 656                 /* only 800x600 is supported right now on pre-avivo chips */
 657                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 658                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 659                 drm_mode_probed_add(connector, tv_mode);
 660         }
 661         return 1;
 662 }
 663
 664 static int radeon_tv_mode_valid(struct drm_connector *connector,
 665                                 struct drm_display_mode *mode)
 666 {
 667         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
 668                 return MODE_CLOCK_RANGE;
 669         return MODE_OK;
 670 }
 671
 672 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
 673 {
 674         struct drm_encoder *encoder;
 675         struct drm_encoder_helper_funcs *encoder_funcs;
 676         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 677         enum drm_connector_status ret = connector_status_disconnected;
 678
 679         if (!radeon_connector->dac_load_detect)
 680                 return ret;
 681
 682         encoder = radeon_best_single_encoder(connector);
 683         if (!encoder)
 684                 ret = connector_status_disconnected;
 685         else {
 686                 encoder_funcs = encoder->helper_private;
 687                 ret = encoder_funcs->detect(encoder, connector);
 688         }
 689         if (ret == connector_status_connected)
 690                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 691         radeon_connector_update_scratch_regs(connector, ret);
 692         return ret;
 693 }
 694
 695 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 696         .get_modes = radeon_tv_get_modes,
 697         .mode_valid = radeon_tv_mode_valid,
 698         .best_encoder = radeon_best_single_encoder,
 699 };
 700
 701 struct drm_connector_funcs radeon_tv_connector_funcs = {
 702         .dpms = drm_helper_connector_dpms,
 703         .detect = radeon_tv_detect,
 704         .fill_modes = drm_helper_probe_single_connector_modes,
 705         .destroy = radeon_connector_destroy,
 706         .set_property = radeon_connector_set_property,
 707 };
 708
 709 static int radeon_dvi_get_modes(struct drm_connector *connector)
 710 {
 711         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 712         int ret;
 713
 714         ret = radeon_ddc_get_modes(radeon_connector);
 715         return ret;
 716 }
 717
 718 /*
 719  * DVI is complicated
 720  * Do a DDC probe, if DDC probe passes, get the full EDID so
 721  * we can do analog/digital monitor detection at this point.
 722  * If the monitor is an analog monitor or we got no DDC,
 723  * we need to find the DAC encoder object for this connector.
 724  * If we got no DDC, we do load detection on the DAC encoder object.
 725  * If we got analog DDC or load detection passes on the DAC encoder
 726  * we have to check if this analog encoder is shared with anyone else (TV)
 727  * if its shared we have to set the other connector to disconnected.
 728  */
 729 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
 730 {
 731         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 732         struct drm_encoder *encoder = NULL;
 733         struct drm_encoder_helper_funcs *encoder_funcs;
 734         struct drm_mode_object *obj;
 735         int i;
 736         enum drm_connector_status ret = connector_status_disconnected;
 737         bool dret;
 738
 739         dret = radeon_ddc_probe(radeon_connector);
 740         if (dret) {
 741                 if (radeon_connector->edid) {
 742                         kfree(radeon_connector->edid);
 743                         radeon_connector->edid = NULL;
 744                 }
 745                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 746
 747                 if (!radeon_connector->edid) {
 748                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
 749                                         drm_get_connector_name(connector));
 750                 } else {
 751                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 752
 753                         /* some oems have boards with separate digital and analog connectors
 754                          * with a shared ddc line (often vga + hdmi)
 755                          */
 756                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
 757                                 kfree(radeon_connector->edid);
 758                                 radeon_connector->edid = NULL;
 759                                 ret = connector_status_disconnected;
 760                         } else
 761                                 ret = connector_status_connected;
 762
 763                         /* multiple connectors on the same encoder with the same ddc line
 764                          * This tends to be HDMI and DVI on the same encoder with the
 765                          * same ddc line.  If the edid says HDMI, consider the HDMI port
 766                          * connected and the DVI port disconnected.  If the edid doesn't
 767                          * say HDMI, vice versa.
 768                          */
 769                         if (radeon_connector->shared_ddc && connector_status_connected) {
 770                                 struct drm_device *dev = connector->dev;
 771                                 struct drm_connector *list_connector;
 772                                 struct radeon_connector *list_radeon_connector;
 773                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
 774                                         if (connector == list_connector)
 775                                                 continue;
 776                                         list_radeon_connector = to_radeon_connector(list_connector);
 777                                         if (radeon_connector->devices == list_radeon_connector->devices) {
 778                                                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
 779                                                         if (connector->connector_type == DRM_MODE_CONNECTOR_DVID) {
 780                                                                 kfree(radeon_connector->edid);
 781                                                                 radeon_connector->edid = NULL;
 782                                                                 ret = connector_status_disconnected;
 783                                                         }
 784                                                 } else {
 785                                                         if ((connector->connector_type == DRM_MODE_CONNECTOR_HDMIA) ||
 786                                                             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)) {
 787                                                                 kfree(radeon_connector->edid);
 788                                                                 radeon_connector->edid = NULL;
 789                                                                 ret = connector_status_disconnected;
 790                                                         }
 791                                                 }
 792                                         }
 793                                 }
 794                         }
 795                 }
 796         }
 797
 798         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 799                 goto out;
 800
 801         /* find analog encoder */
 802         if (radeon_connector->dac_load_detect) {
 803                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 804                         if (connector->encoder_ids[i] == 0)
 805                                 break;
 806
 807                         obj = drm_mode_object_find(connector->dev,
 808                                                    connector->encoder_ids[i],
 809                                                    DRM_MODE_OBJECT_ENCODER);
 810                         if (!obj)
 811                                 continue;
 812
 813                         encoder = obj_to_encoder(obj);
 814
 815                         encoder_funcs = encoder->helper_private;
 816                         if (encoder_funcs->detect) {
 817                                 if (ret != connector_status_connected) {
 818                                         ret = encoder_funcs->detect(encoder, connector);
 819                                         if (ret == connector_status_connected) {
 820                                                 radeon_connector->use_digital = false;
 821                                         }
 822                                 }
 823                                 break;
 824                         }
 825                 }
 826         }
 827
 828         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 829             encoder) {
 830                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 831         }
 832
 833 out:
 834         /* updated in get modes as well since we need to know if it's analog or digital */
 835         radeon_connector_update_scratch_regs(connector, ret);
 836         return ret;
 837 }
 838
 839 /* okay need to be smart in here about which encoder to pick */
 840 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 841 {
 842         int enc_id = connector->encoder_ids[0];
 843         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 844         struct drm_mode_object *obj;
 845         struct drm_encoder *encoder;
 846         int i;
 847         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 848                 if (connector->encoder_ids[i] == 0)
 849                         break;
 850
 851                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 852                 if (!obj)
 853                         continue;
 854
 855                 encoder = obj_to_encoder(obj);
 856
 857                 if (radeon_connector->use_digital == true) {
 858                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 859                                 return encoder;
 860                 } else {
 861                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 862                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 863                                 return encoder;
 864                 }
 865         }
 866
 867         /* see if we have a default encoder  TODO */
 868
 869         /* then check use digitial */
 870         /* pick the first one */
 871         if (enc_id) {
 872                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 873                 if (!obj)
 874                         return NULL;
 875                 encoder = obj_to_encoder(obj);
 876                 return encoder;
 877         }
 878         return NULL;
 879 }
 880
 881 static void radeon_dvi_force(struct drm_connector *connector)
 882 {
 883         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 884         if (connector->force == DRM_FORCE_ON)
 885                 radeon_connector->use_digital = false;
 886         if (connector->force == DRM_FORCE_ON_DIGITAL)
 887                 radeon_connector->use_digital = true;
 888 }
 889
 890 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 891                                   struct drm_display_mode *mode)
 892 {
 893         struct drm_device *dev = connector->dev;
 894         struct radeon_device *rdev = dev->dev_private;
 895         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 896
 897         /* XXX check mode bandwidth */
 898
 899         /* clocks over 135 MHz have heat issues with DVI on RV100 */
 900         if (radeon_connector->use_digital &&
 901             (rdev->family == CHIP_RV100) &&
 902             (mode->clock > 135000))
 903                 return MODE_CLOCK_HIGH;
 904
 905         if (radeon_connector->use_digital && (mode->clock > 165000)) {
 906                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 907                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
 908                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
 909                         return MODE_OK;
 910                 else
 911                         return MODE_CLOCK_HIGH;
 912         }
 913         return MODE_OK;
 914 }
 915
 916 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
 917         .get_modes = radeon_dvi_get_modes,
 918         .mode_valid = radeon_dvi_mode_valid,
 919         .best_encoder = radeon_dvi_encoder,
 920 };
 921
 922 struct drm_connector_funcs radeon_dvi_connector_funcs = {
 923         .dpms = drm_helper_connector_dpms,
 924         .detect = radeon_dvi_detect,
 925         .fill_modes = drm_helper_probe_single_connector_modes,
 926         .set_property = radeon_connector_set_property,
 927         .destroy = radeon_connector_destroy,
 928         .force = radeon_dvi_force,
 929 };
 930
 931 static void radeon_dp_connector_destroy(struct drm_connector *connector)
 932 {
 933         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 934         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 935
 936         if (radeon_connector->ddc_bus)
 937                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 938         if (radeon_connector->edid)
 939                 kfree(radeon_connector->edid);
 940         if (radeon_dig_connector->dp_i2c_bus)
 941                 radeon_i2c_destroy_dp(radeon_dig_connector->dp_i2c_bus);
 942         kfree(radeon_connector->con_priv);
 943         drm_sysfs_connector_remove(connector);
 944         drm_connector_cleanup(connector);
 945         kfree(connector);
 946 }
 947
 948 static int radeon_dp_get_modes(struct drm_connector *connector)
 949 {
 950         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 951         int ret;
 952
 953         ret = radeon_ddc_get_modes(radeon_connector);
 954         return ret;
 955 }
 956
 957 static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
 958 {
 959         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 960         enum drm_connector_status ret = connector_status_disconnected;
 961         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 962         u8 sink_type;
 963
 964         if (radeon_connector->edid) {
 965                 kfree(radeon_connector->edid);
 966                 radeon_connector->edid = NULL;
 967         }
 968
 969         sink_type = radeon_dp_getsinktype(radeon_connector);
 970         if ((sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 971             (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
 972                 if (radeon_dp_getdpcd(radeon_connector)) {
 973                         radeon_dig_connector->dp_sink_type = sink_type;
 974                         ret = connector_status_connected;
 975                 }
 976         } else {
 977                 if (radeon_ddc_probe(radeon_connector)) {
 978                         radeon_dig_connector->dp_sink_type = sink_type;
 979                         ret = connector_status_connected;
 980                 }
 981         }
 982
 983         return ret;
 984 }
 985
 986 static int radeon_dp_mode_valid(struct drm_connector *connector,
 987                                   struct drm_display_mode *mode)
 988 {
 989         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 990         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
 991
 992         /* XXX check mode bandwidth */
 993
 994         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 995             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
 996                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
 997         else
 998                 return MODE_OK;
 999 }
1000
1001 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1002         .get_modes = radeon_dp_get_modes,
1003         .mode_valid = radeon_dp_mode_valid,
1004         .best_encoder = radeon_dvi_encoder,
1005 };
1006
1007 struct drm_connector_funcs radeon_dp_connector_funcs = {
1008         .dpms = drm_helper_connector_dpms,
1009         .detect = radeon_dp_detect,
1010         .fill_modes = drm_helper_probe_single_connector_modes,
1011         .set_property = radeon_connector_set_property,
1012         .destroy = radeon_dp_connector_destroy,
1013         .force = radeon_dvi_force,
1014 };
1015
1016 void
1017 radeon_add_atom_connector(struct drm_device *dev,
1018                           uint32_t connector_id,
1019                           uint32_t supported_device,
1020                           int connector_type,
1021                           struct radeon_i2c_bus_rec *i2c_bus,
1022                           bool linkb,
1023                           uint32_t igp_lane_info,
1024                           uint16_t connector_object_id,
1025                           struct radeon_hpd *hpd)
1026 {
1027         struct radeon_device *rdev = dev->dev_private;
1028         struct drm_connector *connector;
1029         struct radeon_connector *radeon_connector;
1030         struct radeon_connector_atom_dig *radeon_dig_connector;
1031         uint32_t subpixel_order = SubPixelNone;
1032         bool shared_ddc = false;
1033         int ret;
1034
1035         /* fixme - tv/cv/din */
1036         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1037                 return;
1038
1039         /* see if we already added it */
1040         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1041                 radeon_connector = to_radeon_connector(connector);
1042                 if (radeon_connector->connector_id == connector_id) {
1043                         radeon_connector->devices |= supported_device;
1044                         return;
1045                 }
1046                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1047                         if (memcmp(&radeon_connector->ddc_bus->rec, i2c_bus,
1048                                     sizeof(struct radeon_i2c_bus_rec)) == 0) {
1049                                 radeon_connector->shared_ddc = true;
1050                                 shared_ddc = true;
1051                         }
1052                 }
1053         }
1054
1055         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1056         if (!radeon_connector)
1057                 return;
1058
1059         connector = &radeon_connector->base;
1060
1061         radeon_connector->connector_id = connector_id;
1062         radeon_connector->devices = supported_device;
1063         radeon_connector->shared_ddc = shared_ddc;
1064         radeon_connector->connector_object_id = connector_object_id;
1065         radeon_connector->hpd = *hpd;
1066         switch (connector_type) {
1067         case DRM_MODE_CONNECTOR_VGA:
1068                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1069                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1070                 if (ret)
1071                         goto failed;
1072                 if (i2c_bus->valid) {
1073                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1074                         if (!radeon_connector->ddc_bus)
1075                                 goto failed;
1076                 }
1077                 radeon_connector->dac_load_detect = true;
1078                 drm_connector_attach_property(&radeon_connector->base,
1079                                               rdev->mode_info.load_detect_property,
1080                                               1);
1081                 break;
1082         case DRM_MODE_CONNECTOR_DVIA:
1083                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1084                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1085                 if (ret)
1086                         goto failed;
1087                 if (i2c_bus->valid) {
1088                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1089                         if (!radeon_connector->ddc_bus)
1090                                 goto failed;
1091                 }
1092                 radeon_connector->dac_load_detect = true;
1093                 drm_connector_attach_property(&radeon_connector->base,
1094                                               rdev->mode_info.load_detect_property,
1095                                               1);
1096                 break;
1097         case DRM_MODE_CONNECTOR_DVII:
1098         case DRM_MODE_CONNECTOR_DVID:
1099                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1100                 if (!radeon_dig_connector)
1101                         goto failed;
1102                 radeon_dig_connector->linkb = linkb;
1103                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1104                 radeon_connector->con_priv = radeon_dig_connector;
1105                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1106                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1107                 if (ret)
1108                         goto failed;
1109                 if (i2c_bus->valid) {
1110                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1111                         if (!radeon_connector->ddc_bus)
1112                                 goto failed;
1113                 }
1114                 subpixel_order = SubPixelHorizontalRGB;
1115                 drm_connector_attach_property(&radeon_connector->base,
1116                                               rdev->mode_info.coherent_mode_property,
1117                                               1);
1118                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1119                         radeon_connector->dac_load_detect = true;
1120                         drm_connector_attach_property(&radeon_connector->base,
1121                                                       rdev->mode_info.load_detect_property,
1122                                                       1);
1123                 }
1124                 break;
1125         case DRM_MODE_CONNECTOR_HDMIA:
1126         case DRM_MODE_CONNECTOR_HDMIB:
1127                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1128                 if (!radeon_dig_connector)
1129                         goto failed;
1130                 radeon_dig_connector->linkb = linkb;
1131                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1132                 radeon_connector->con_priv = radeon_dig_connector;
1133                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1134                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1135                 if (ret)
1136                         goto failed;
1137                 if (i2c_bus->valid) {
1138                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
1139                         if (!radeon_connector->ddc_bus)
1140                                 goto failed;
1141                 }
1142                 drm_connector_attach_property(&radeon_connector->base,
1143                                               rdev->mode_info.coherent_mode_property,
1144                                               1);
1145                 subpixel_order = SubPixelHorizontalRGB;
1146                 break;
1147         case DRM_MODE_CONNECTOR_DisplayPort:
1148         case DRM_MODE_CONNECTOR_eDP:
1149                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1150                 if (!radeon_dig_connector)
1151                         goto failed;
1152                 radeon_dig_connector->linkb = linkb;
1153                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1154                 radeon_connector->con_priv = radeon_dig_connector;
1155                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1156                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1157                 if (ret)
1158                         goto failed;
1159                 if (i2c_bus->valid) {
1160                         /* add DP i2c bus */
1161                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1162                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1163                         else
1164                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1165                         if (!radeon_dig_connector->dp_i2c_bus)
1166                                 goto failed;
1167                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1168                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "eDP");
1169                         else
1170                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
1171                         if (!radeon_connector->ddc_bus)
1172                                 goto failed;
1173                 }
1174                 subpixel_order = SubPixelHorizontalRGB;
1175                 drm_connector_attach_property(&radeon_connector->base,
1176                                               rdev->mode_info.coherent_mode_property,
1177                                               1);
1178                 break;
1179         case DRM_MODE_CONNECTOR_SVIDEO:
1180         case DRM_MODE_CONNECTOR_Composite:
1181         case DRM_MODE_CONNECTOR_9PinDIN:
1182                 if (radeon_tv == 1) {
1183                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1184                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1185                         if (ret)
1186                                 goto failed;
1187                         radeon_connector->dac_load_detect = true;
1188                         drm_connector_attach_property(&radeon_connector->base,
1189                                                       rdev->mode_info.load_detect_property,
1190                                                       1);
1191                         drm_connector_attach_property(&radeon_connector->base,
1192                                                       rdev->mode_info.tv_std_property,
1193                                                       radeon_atombios_get_tv_info(rdev));
1194                 }
1195                 break;
1196         case DRM_MODE_CONNECTOR_LVDS:
1197                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1198                 if (!radeon_dig_connector)
1199                         goto failed;
1200                 radeon_dig_connector->linkb = linkb;
1201                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1202                 radeon_connector->con_priv = radeon_dig_connector;
1203                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1204                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1205                 if (ret)
1206                         goto failed;
1207                 if (i2c_bus->valid) {
1208                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1209                         if (!radeon_connector->ddc_bus)
1210                                 goto failed;
1211                 }
1212                 drm_connector_attach_property(&radeon_connector->base,
1213                                               dev->mode_config.scaling_mode_property,
1214                                               DRM_MODE_SCALE_FULLSCREEN);
1215                 subpixel_order = SubPixelHorizontalRGB;
1216                 break;
1217         }
1218
1219         connector->display_info.subpixel_order = subpixel_order;
1220         drm_sysfs_connector_add(connector);
1221         return;
1222
1223 failed:
1224         if (radeon_connector->ddc_bus)
1225                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1226         drm_connector_cleanup(connector);
1227         kfree(connector);
1228 }
1229
1230 void
1231 radeon_add_legacy_connector(struct drm_device *dev,
1232                             uint32_t connector_id,
1233                             uint32_t supported_device,
1234                             int connector_type,
1235                             struct radeon_i2c_bus_rec *i2c_bus,
1236                             uint16_t connector_object_id,
1237                             struct radeon_hpd *hpd)
1238 {
1239         struct radeon_device *rdev = dev->dev_private;
1240         struct drm_connector *connector;
1241         struct radeon_connector *radeon_connector;
1242         uint32_t subpixel_order = SubPixelNone;
1243         int ret;
1244
1245         /* fixme - tv/cv/din */
1246         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1247                 return;
1248
1249         /* see if we already added it */
1250         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1251                 radeon_connector = to_radeon_connector(connector);
1252                 if (radeon_connector->connector_id == connector_id) {
1253                         radeon_connector->devices |= supported_device;
1254                         return;
1255                 }
1256         }
1257
1258         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1259         if (!radeon_connector)
1260                 return;
1261
1262         connector = &radeon_connector->base;
1263
1264         radeon_connector->connector_id = connector_id;
1265         radeon_connector->devices = supported_device;
1266         radeon_connector->connector_object_id = connector_object_id;
1267         radeon_connector->hpd = *hpd;
1268         switch (connector_type) {
1269         case DRM_MODE_CONNECTOR_VGA:
1270                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1271                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1272                 if (ret)
1273                         goto failed;
1274                 if (i2c_bus->valid) {
1275                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1276                         if (!radeon_connector->ddc_bus)
1277                                 goto failed;
1278                 }
1279                 radeon_connector->dac_load_detect = true;
1280                 drm_connector_attach_property(&radeon_connector->base,
1281                                               rdev->mode_info.load_detect_property,
1282                                               1);
1283                 break;
1284         case DRM_MODE_CONNECTOR_DVIA:
1285                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1286                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1287                 if (ret)
1288                         goto failed;
1289                 if (i2c_bus->valid) {
1290                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1291                         if (!radeon_connector->ddc_bus)
1292                                 goto failed;
1293                 }
1294                 radeon_connector->dac_load_detect = true;
1295                 drm_connector_attach_property(&radeon_connector->base,
1296                                               rdev->mode_info.load_detect_property,
1297                                               1);
1298                 break;
1299         case DRM_MODE_CONNECTOR_DVII:
1300         case DRM_MODE_CONNECTOR_DVID:
1301                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1302                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1303                 if (ret)
1304                         goto failed;
1305                 if (i2c_bus->valid) {
1306                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1307                         if (!radeon_connector->ddc_bus)
1308                                 goto failed;
1309                         radeon_connector->dac_load_detect = true;
1310                         drm_connector_attach_property(&radeon_connector->base,
1311                                                       rdev->mode_info.load_detect_property,
1312                                                       1);
1313                 }
1314                 subpixel_order = SubPixelHorizontalRGB;
1315                 break;
1316         case DRM_MODE_CONNECTOR_SVIDEO:
1317         case DRM_MODE_CONNECTOR_Composite:
1318         case DRM_MODE_CONNECTOR_9PinDIN:
1319                 if (radeon_tv == 1) {
1320                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1321                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1322                         if (ret)
1323                                 goto failed;
1324                         radeon_connector->dac_load_detect = true;
1325                         /* RS400,RC410,RS480 chipset seems to report a lot
1326                          * of false positive on load detect, we haven't yet
1327                          * found a way to make load detect reliable on those
1328                          * chipset, thus just disable it for TV.
1329                          */
1330                         if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1331                                 radeon_connector->dac_load_detect = false;
1332                         drm_connector_attach_property(&radeon_connector->base,
1333                                                       rdev->mode_info.load_detect_property,
1334                                                       radeon_connector->dac_load_detect);
1335                         drm_connector_attach_property(&radeon_connector->base,
1336                                                       rdev->mode_info.tv_std_property,
1337                                                       radeon_combios_get_tv_info(rdev));
1338                 }
1339                 break;
1340         case DRM_MODE_CONNECTOR_LVDS:
1341                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1342                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1343                 if (ret)
1344                         goto failed;
1345                 if (i2c_bus->valid) {
1346                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1347                         if (!radeon_connector->ddc_bus)
1348                                 goto failed;
1349                 }
1350                 drm_connector_attach_property(&radeon_connector->base,
1351                                               dev->mode_config.scaling_mode_property,
1352                                               DRM_MODE_SCALE_FULLSCREEN);
1353                 subpixel_order = SubPixelHorizontalRGB;
1354                 break;
1355         }
1356
1357         connector->display_info.subpixel_order = subpixel_order;
1358         drm_sysfs_connector_add(connector);
1359         return;
1360
1361 failed:
1362         if (radeon_connector->ddc_bus)
1363                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1364         drm_connector_cleanup(connector);
1365         kfree(connector);
1366 }