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 static void radeon_property_change_mode(struct drm_encoder *encoder)
  44 {
  45         struct drm_crtc *crtc = encoder->crtc;
  46
  47         if (crtc && crtc->enabled) {
  48                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  49                                          crtc->x, crtc->y, crtc->fb);
  50         }
  51 }
  52 static void
  53 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
  54 {
  55         struct drm_device *dev = connector->dev;
  56         struct radeon_device *rdev = dev->dev_private;
  57         struct drm_encoder *best_encoder = NULL;
  58         struct drm_encoder *encoder = NULL;
  59         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
  60         struct drm_mode_object *obj;
  61         bool connected;
  62         int i;
  63
  64         best_encoder = connector_funcs->best_encoder(connector);
  65
  66         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  67                 if (connector->encoder_ids[i] == 0)
  68                         break;
  69
  70                 obj = drm_mode_object_find(connector->dev,
  71                                            connector->encoder_ids[i],
  72                                            DRM_MODE_OBJECT_ENCODER);
  73                 if (!obj)
  74                         continue;
  75
  76                 encoder = obj_to_encoder(obj);
  77
  78                 if ((encoder == best_encoder) && (status == connector_status_connected))
  79                         connected = true;
  80                 else
  81                         connected = false;
  82
  83                 if (rdev->is_atom_bios)
  84                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
  85                 else
  86                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
  87
  88         }
  89 }
  90
  91 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
  92 {
  93         struct drm_mode_object *obj;
  94         struct drm_encoder *encoder;
  95         int i;
  96
  97         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  98                 if (connector->encoder_ids[i] == 0)
  99                         break;
 100
 101                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 102                 if (!obj)
 103                         continue;
 104
 105                 encoder = obj_to_encoder(obj);
 106                 if (encoder->encoder_type == encoder_type)
 107                         return encoder;
 108         }
 109         return NULL;
 110 }
 111
 112 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 113 {
 114         int enc_id = connector->encoder_ids[0];
 115         struct drm_mode_object *obj;
 116         struct drm_encoder *encoder;
 117
 118         /* pick the encoder ids */
 119         if (enc_id) {
 120                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 121                 if (!obj)
 122                         return NULL;
 123                 encoder = obj_to_encoder(obj);
 124                 return encoder;
 125         }
 126         return NULL;
 127 }
 128
 129 /*
 130  * radeon_connector_analog_encoder_conflict_solve
 131  * - search for other connectors sharing this encoder
 132  *   if priority is true, then set them disconnected if this is connected
 133  *   if priority is false, set us disconnected if they are connected
 134  */
 135 static enum drm_connector_status
 136 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 137                                                struct drm_encoder *encoder,
 138                                                enum drm_connector_status current_status,
 139                                                bool priority)
 140 {
 141         struct drm_device *dev = connector->dev;
 142         struct drm_connector *conflict;
 143         int i;
 144
 145         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 146                 if (conflict == connector)
 147                         continue;
 148
 149                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 150                         if (conflict->encoder_ids[i] == 0)
 151                                 break;
 152
 153                         /* if the IDs match */
 154                         if (conflict->encoder_ids[i] == encoder->base.id) {
 155                                 if (conflict->status != connector_status_connected)
 156                                         continue;
 157
 158                                 if (priority == true) {
 159                                         DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 160                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
 161                                         conflict->status = connector_status_disconnected;
 162                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 163                                 } else {
 164                                         DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 165                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
 166                                         current_status = connector_status_disconnected;
 167                                 }
 168                                 break;
 169                         }
 170                 }
 171         }
 172         return current_status;
 173
 174 }
 175
 176 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 177 {
 178         struct drm_device *dev = encoder->dev;
 179         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 180         struct drm_display_mode *mode = NULL;
 181         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 182
 183         if (native_mode->hdisplay != 0 &&
 184             native_mode->vdisplay != 0 &&
 185             native_mode->clock != 0) {
 186                 mode = drm_mode_duplicate(dev, native_mode);
 187                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 188                 drm_mode_set_name(mode);
 189
 190                 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
 191         }
 192         return mode;
 193 }
 194
 195 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 196 {
 197         struct drm_device *dev = encoder->dev;
 198         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 199         struct drm_display_mode *mode = NULL;
 200         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 201         int i;
 202         struct mode_size {
 203                 int w;
 204                 int h;
 205         } common_modes[17] = {
 206                 { 640,  480},
 207                 { 720,  480},
 208                 { 800,  600},
 209                 { 848,  480},
 210                 {1024,  768},
 211                 {1152,  768},
 212                 {1280,  720},
 213                 {1280,  800},
 214                 {1280,  854},
 215                 {1280,  960},
 216                 {1280, 1024},
 217                 {1440,  900},
 218                 {1400, 1050},
 219                 {1680, 1050},
 220                 {1600, 1200},
 221                 {1920, 1080},
 222                 {1920, 1200}
 223         };
 224
 225         for (i = 0; i < 17; i++) {
 226                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 227                         if (common_modes[i].w > native_mode->hdisplay ||
 228                             common_modes[i].h > native_mode->vdisplay ||
 229                             (common_modes[i].w == native_mode->hdisplay &&
 230                              common_modes[i].h == native_mode->vdisplay))
 231                                 continue;
 232                 }
 233                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 234                         continue;
 235
 236                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 237                 drm_mode_probed_add(connector, mode);
 238         }
 239 }
 240
 241 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 242                                   uint64_t val)
 243 {
 244         struct drm_device *dev = connector->dev;
 245         struct radeon_device *rdev = dev->dev_private;
 246         struct drm_encoder *encoder;
 247         struct radeon_encoder *radeon_encoder;
 248
 249         if (property == rdev->mode_info.coherent_mode_property) {
 250                 struct radeon_encoder_atom_dig *dig;
 251
 252                 /* need to find digital encoder on connector */
 253                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 254                 if (!encoder)
 255                         return 0;
 256
 257                 radeon_encoder = to_radeon_encoder(encoder);
 258
 259                 if (!radeon_encoder->enc_priv)
 260                         return 0;
 261
 262                 dig = radeon_encoder->enc_priv;
 263                 dig->coherent_mode = val ? true : false;
 264                 radeon_property_change_mode(&radeon_encoder->base);
 265         }
 266
 267         if (property == rdev->mode_info.tv_std_property) {
 268                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 269                 if (!encoder) {
 270                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 271                 }
 272
 273                 if (!encoder)
 274                         return 0;
 275
 276                 radeon_encoder = to_radeon_encoder(encoder);
 277                 if (!radeon_encoder->enc_priv)
 278                         return 0;
 279                 if (rdev->is_atom_bios) {
 280                         struct radeon_encoder_atom_dac *dac_int;
 281                         dac_int = radeon_encoder->enc_priv;
 282                         dac_int->tv_std = val;
 283                 } else {
 284                         struct radeon_encoder_tv_dac *dac_int;
 285                         dac_int = radeon_encoder->enc_priv;
 286                         dac_int->tv_std = val;
 287                 }
 288                 radeon_property_change_mode(&radeon_encoder->base);
 289         }
 290
 291         if (property == rdev->mode_info.load_detect_property) {
 292                 struct radeon_connector *radeon_connector =
 293                         to_radeon_connector(connector);
 294
 295                 if (val == 0)
 296                         radeon_connector->dac_load_detect = false;
 297                 else
 298                         radeon_connector->dac_load_detect = true;
 299         }
 300
 301         if (property == rdev->mode_info.tmds_pll_property) {
 302                 struct radeon_encoder_int_tmds *tmds = NULL;
 303                 bool ret = false;
 304                 /* need to find digital encoder on connector */
 305                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 306                 if (!encoder)
 307                         return 0;
 308
 309                 radeon_encoder = to_radeon_encoder(encoder);
 310
 311                 tmds = radeon_encoder->enc_priv;
 312                 if (!tmds)
 313                         return 0;
 314
 315                 if (val == 0) {
 316                         if (rdev->is_atom_bios)
 317                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 318                         else
 319                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 320                 }
 321                 if (val == 1 || ret == false) {
 322                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 323                 }
 324                 radeon_property_change_mode(&radeon_encoder->base);
 325         }
 326
 327         return 0;
 328 }
 329
 330 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 331                                           struct drm_connector *connector)
 332 {
 333         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 334         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 335
 336         /* Try to get native mode details from EDID if necessary */
 337         if (!native_mode->clock) {
 338                 struct drm_display_mode *t, *mode;
 339
 340                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 341                         if (mode->hdisplay == native_mode->hdisplay &&
 342                             mode->vdisplay == native_mode->vdisplay) {
 343                                 *native_mode = *mode;
 344                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
 345                                 DRM_INFO("Determined LVDS native mode details from EDID\n");
 346                                 break;
 347                         }
 348                 }
 349         }
 350         if (!native_mode->clock) {
 351                 DRM_INFO("No LVDS native mode details, disabling RMX\n");
 352                 radeon_encoder->rmx_type = RMX_OFF;
 353         }
 354 }
 355
 356 static int radeon_lvds_get_modes(struct drm_connector *connector)
 357 {
 358         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 359         struct drm_encoder *encoder;
 360         int ret = 0;
 361         struct drm_display_mode *mode;
 362
 363         if (radeon_connector->ddc_bus) {
 364                 ret = radeon_ddc_get_modes(radeon_connector);
 365                 if (ret > 0) {
 366                         encoder = radeon_best_single_encoder(connector);
 367                         if (encoder) {
 368                                 radeon_fixup_lvds_native_mode(encoder, connector);
 369                                 /* add scaled modes */
 370                                 radeon_add_common_modes(encoder, connector);
 371                         }
 372                         return ret;
 373                 }
 374         }
 375
 376         encoder = radeon_best_single_encoder(connector);
 377         if (!encoder)
 378                 return 0;
 379
 380         /* we have no EDID modes */
 381         mode = radeon_fp_native_mode(encoder);
 382         if (mode) {
 383                 ret = 1;
 384                 drm_mode_probed_add(connector, mode);
 385                 /* add scaled modes */
 386                 radeon_add_common_modes(encoder, connector);
 387         }
 388
 389         return ret;
 390 }
 391
 392 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 393                                   struct drm_display_mode *mode)
 394 {
 395         return MODE_OK;
 396 }
 397
 398 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
 399 {
 400         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 401         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
 402         enum drm_connector_status ret = connector_status_disconnected;
 403         bool dret;
 404
 405         if (encoder) {
 406                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 407                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
 408
 409                 /* check if panel is valid */
 410                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
 411                         ret = connector_status_connected;
 412
 413         }
 414
 415         /* check for edid as well */
 416         if (radeon_connector->ddc_bus) {
 417                 radeon_i2c_do_lock(radeon_connector, 1);
 418                 dret = radeon_ddc_probe(radeon_connector);
 419                 radeon_i2c_do_lock(radeon_connector, 0);
 420                 if (dret)
 421                         ret = connector_status_connected;
 422         }
 423         /* check acpi lid status ??? */
 424
 425         radeon_connector_update_scratch_regs(connector, ret);
 426         return ret;
 427 }
 428
 429 static void radeon_connector_destroy(struct drm_connector *connector)
 430 {
 431         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 432
 433         if (radeon_connector->ddc_bus)
 434                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 435         kfree(radeon_connector->con_priv);
 436         drm_sysfs_connector_remove(connector);
 437         drm_connector_cleanup(connector);
 438         kfree(connector);
 439 }
 440
 441 static int radeon_lvds_set_property(struct drm_connector *connector,
 442                                     struct drm_property *property,
 443                                     uint64_t value)
 444 {
 445         struct drm_device *dev = connector->dev;
 446         struct radeon_encoder *radeon_encoder;
 447         enum radeon_rmx_type rmx_type;
 448
 449         DRM_DEBUG("\n");
 450         if (property != dev->mode_config.scaling_mode_property)
 451                 return 0;
 452
 453         if (connector->encoder)
 454                 radeon_encoder = to_radeon_encoder(connector->encoder);
 455         else {
 456                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 457                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 458         }
 459
 460         switch (value) {
 461         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 462         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 463         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 464         default:
 465         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 466         }
 467         if (radeon_encoder->rmx_type == rmx_type)
 468                 return 0;
 469
 470         radeon_encoder->rmx_type = rmx_type;
 471
 472         radeon_property_change_mode(&radeon_encoder->base);
 473         return 0;
 474 }
 475
 476
 477 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 478         .get_modes = radeon_lvds_get_modes,
 479         .mode_valid = radeon_lvds_mode_valid,
 480         .best_encoder = radeon_best_single_encoder,
 481 };
 482
 483 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 484         .dpms = drm_helper_connector_dpms,
 485         .detect = radeon_lvds_detect,
 486         .fill_modes = drm_helper_probe_single_connector_modes,
 487         .destroy = radeon_connector_destroy,
 488         .set_property = radeon_lvds_set_property,
 489 };
 490
 491 static int radeon_vga_get_modes(struct drm_connector *connector)
 492 {
 493         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 494         int ret;
 495
 496         ret = radeon_ddc_get_modes(radeon_connector);
 497
 498         return ret;
 499 }
 500
 501 static int radeon_vga_mode_valid(struct drm_connector *connector,
 502                                   struct drm_display_mode *mode)
 503 {
 504         return MODE_OK;
 505 }
 506
 507 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
 508 {
 509         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 510         struct drm_encoder *encoder;
 511         struct drm_encoder_helper_funcs *encoder_funcs;
 512         bool dret;
 513         enum drm_connector_status ret = connector_status_disconnected;
 514
 515         encoder = radeon_best_single_encoder(connector);
 516         if (!encoder)
 517                 ret = connector_status_disconnected;
 518
 519         radeon_i2c_do_lock(radeon_connector, 1);
 520         dret = radeon_ddc_probe(radeon_connector);
 521         radeon_i2c_do_lock(radeon_connector, 0);
 522         if (dret)
 523                 ret = connector_status_connected;
 524         else {
 525                 if (radeon_connector->dac_load_detect) {
 526                         encoder_funcs = encoder->helper_private;
 527                         ret = encoder_funcs->detect(encoder, connector);
 528                 }
 529         }
 530
 531         if (ret == connector_status_connected)
 532                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 533         radeon_connector_update_scratch_regs(connector, ret);
 534         return ret;
 535 }
 536
 537 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 538         .get_modes = radeon_vga_get_modes,
 539         .mode_valid = radeon_vga_mode_valid,
 540         .best_encoder = radeon_best_single_encoder,
 541 };
 542
 543 struct drm_connector_funcs radeon_vga_connector_funcs = {
 544         .dpms = drm_helper_connector_dpms,
 545         .detect = radeon_vga_detect,
 546         .fill_modes = drm_helper_probe_single_connector_modes,
 547         .destroy = radeon_connector_destroy,
 548         .set_property = radeon_connector_set_property,
 549 };
 550
 551 static int radeon_tv_get_modes(struct drm_connector *connector)
 552 {
 553         struct drm_device *dev = connector->dev;
 554         struct radeon_device *rdev = dev->dev_private;
 555         struct drm_display_mode *tv_mode;
 556         struct drm_encoder *encoder;
 557
 558         encoder = radeon_best_single_encoder(connector);
 559         if (!encoder)
 560                 return 0;
 561
 562         /* avivo chips can scale any mode */
 563         if (rdev->family >= CHIP_RS600)
 564                 /* add scaled modes */
 565                 radeon_add_common_modes(encoder, connector);
 566         else {
 567                 /* only 800x600 is supported right now on pre-avivo chips */
 568                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
 569                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 570                 drm_mode_probed_add(connector, tv_mode);
 571         }
 572         return 1;
 573 }
 574
 575 static int radeon_tv_mode_valid(struct drm_connector *connector,
 576                                 struct drm_display_mode *mode)
 577 {
 578         return MODE_OK;
 579 }
 580
 581 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
 582 {
 583         struct drm_encoder *encoder;
 584         struct drm_encoder_helper_funcs *encoder_funcs;
 585         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 586         enum drm_connector_status ret = connector_status_disconnected;
 587
 588         if (!radeon_connector->dac_load_detect)
 589                 return ret;
 590
 591         encoder = radeon_best_single_encoder(connector);
 592         if (!encoder)
 593                 ret = connector_status_disconnected;
 594         else {
 595                 encoder_funcs = encoder->helper_private;
 596                 ret = encoder_funcs->detect(encoder, connector);
 597         }
 598         if (ret == connector_status_connected)
 599                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 600         radeon_connector_update_scratch_regs(connector, ret);
 601         return ret;
 602 }
 603
 604 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 605         .get_modes = radeon_tv_get_modes,
 606         .mode_valid = radeon_tv_mode_valid,
 607         .best_encoder = radeon_best_single_encoder,
 608 };
 609
 610 struct drm_connector_funcs radeon_tv_connector_funcs = {
 611         .dpms = drm_helper_connector_dpms,
 612         .detect = radeon_tv_detect,
 613         .fill_modes = drm_helper_probe_single_connector_modes,
 614         .destroy = radeon_connector_destroy,
 615         .set_property = radeon_connector_set_property,
 616 };
 617
 618 static int radeon_dvi_get_modes(struct drm_connector *connector)
 619 {
 620         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 621         int ret;
 622
 623         ret = radeon_ddc_get_modes(radeon_connector);
 624         return ret;
 625 }
 626
 627 /*
 628  * DVI is complicated
 629  * Do a DDC probe, if DDC probe passes, get the full EDID so
 630  * we can do analog/digital monitor detection at this point.
 631  * If the monitor is an analog monitor or we got no DDC,
 632  * we need to find the DAC encoder object for this connector.
 633  * If we got no DDC, we do load detection on the DAC encoder object.
 634  * If we got analog DDC or load detection passes on the DAC encoder
 635  * we have to check if this analog encoder is shared with anyone else (TV)
 636  * if its shared we have to set the other connector to disconnected.
 637  */
 638 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
 639 {
 640         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 641         struct drm_encoder *encoder = NULL;
 642         struct drm_encoder_helper_funcs *encoder_funcs;
 643         struct drm_mode_object *obj;
 644         int i;
 645         enum drm_connector_status ret = connector_status_disconnected;
 646         bool dret;
 647
 648         radeon_i2c_do_lock(radeon_connector, 1);
 649         dret = radeon_ddc_probe(radeon_connector);
 650         radeon_i2c_do_lock(radeon_connector, 0);
 651         if (dret) {
 652                 radeon_i2c_do_lock(radeon_connector, 1);
 653                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 654                 radeon_i2c_do_lock(radeon_connector, 0);
 655
 656                 if (!radeon_connector->edid) {
 657                         DRM_ERROR("DDC responded but not EDID found for %s\n",
 658                                   drm_get_connector_name(connector));
 659                 } else {
 660                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 661
 662                         /* if this isn't a digital monitor
 663                            then we need to make sure we don't have any
 664                            TV conflicts */
 665                         ret = connector_status_connected;
 666                 }
 667         }
 668
 669         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 670                 goto out;
 671
 672         /* find analog encoder */
 673         if (radeon_connector->dac_load_detect) {
 674                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 675                         if (connector->encoder_ids[i] == 0)
 676                                 break;
 677
 678                         obj = drm_mode_object_find(connector->dev,
 679                                                    connector->encoder_ids[i],
 680                                                    DRM_MODE_OBJECT_ENCODER);
 681                         if (!obj)
 682                                 continue;
 683
 684                         encoder = obj_to_encoder(obj);
 685
 686                         encoder_funcs = encoder->helper_private;
 687                         if (encoder_funcs->detect) {
 688                                 if (ret != connector_status_connected) {
 689                                         ret = encoder_funcs->detect(encoder, connector);
 690                                         if (ret == connector_status_connected) {
 691                                                 radeon_connector->use_digital = false;
 692                                         }
 693                                 }
 694                                 break;
 695                         }
 696                 }
 697         }
 698
 699         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 700             encoder) {
 701                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 702         }
 703
 704 out:
 705         /* updated in get modes as well since we need to know if it's analog or digital */
 706         radeon_connector_update_scratch_regs(connector, ret);
 707         return ret;
 708 }
 709
 710 /* okay need to be smart in here about which encoder to pick */
 711 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 712 {
 713         int enc_id = connector->encoder_ids[0];
 714         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 715         struct drm_mode_object *obj;
 716         struct drm_encoder *encoder;
 717         int i;
 718         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 719                 if (connector->encoder_ids[i] == 0)
 720                         break;
 721
 722                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 723                 if (!obj)
 724                         continue;
 725
 726                 encoder = obj_to_encoder(obj);
 727
 728                 if (radeon_connector->use_digital == true) {
 729                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 730                                 return encoder;
 731                 } else {
 732                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 733                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 734                                 return encoder;
 735                 }
 736         }
 737
 738         /* see if we have a default encoder  TODO */
 739
 740         /* then check use digitial */
 741         /* pick the first one */
 742         if (enc_id) {
 743                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 744                 if (!obj)
 745                         return NULL;
 746                 encoder = obj_to_encoder(obj);
 747                 return encoder;
 748         }
 749         return NULL;
 750 }
 751
 752 static void radeon_dvi_force(struct drm_connector *connector)
 753 {
 754         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 755         if (connector->force == DRM_FORCE_ON)
 756                 radeon_connector->use_digital = false;
 757         if (connector->force == DRM_FORCE_ON_DIGITAL)
 758                 radeon_connector->use_digital = true;
 759 }
 760
 761 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
 762         .get_modes = radeon_dvi_get_modes,
 763         .mode_valid = radeon_vga_mode_valid,
 764         .best_encoder = radeon_dvi_encoder,
 765 };
 766
 767 struct drm_connector_funcs radeon_dvi_connector_funcs = {
 768         .dpms = drm_helper_connector_dpms,
 769         .detect = radeon_dvi_detect,
 770         .fill_modes = drm_helper_probe_single_connector_modes,
 771         .set_property = radeon_connector_set_property,
 772         .destroy = radeon_connector_destroy,
 773         .force = radeon_dvi_force,
 774 };
 775
 776 void
 777 radeon_add_atom_connector(struct drm_device *dev,
 778                           uint32_t connector_id,
 779                           uint32_t supported_device,
 780                           int connector_type,
 781                           struct radeon_i2c_bus_rec *i2c_bus,
 782                           bool linkb,
 783                           uint32_t igp_lane_info)
 784 {
 785         struct radeon_device *rdev = dev->dev_private;
 786         struct drm_connector *connector;
 787         struct radeon_connector *radeon_connector;
 788         struct radeon_connector_atom_dig *radeon_dig_connector;
 789         uint32_t subpixel_order = SubPixelNone;
 790         int ret;
 791
 792         /* fixme - tv/cv/din */
 793         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
 794                 return;
 795
 796         /* see if we already added it */
 797         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 798                 radeon_connector = to_radeon_connector(connector);
 799                 if (radeon_connector->connector_id == connector_id) {
 800                         radeon_connector->devices |= supported_device;
 801                         return;
 802                 }
 803         }
 804
 805         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
 806         if (!radeon_connector)
 807                 return;
 808
 809         connector = &radeon_connector->base;
 810
 811         radeon_connector->connector_id = connector_id;
 812         radeon_connector->devices = supported_device;
 813         switch (connector_type) {
 814         case DRM_MODE_CONNECTOR_VGA:
 815                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
 816                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 817                 if (ret)
 818                         goto failed;
 819                 if (i2c_bus->valid) {
 820                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
 821                         if (!radeon_connector->ddc_bus)
 822                                 goto failed;
 823                 }
 824                 radeon_connector->dac_load_detect = true;
 825                 drm_connector_attach_property(&radeon_connector->base,
 826                                               rdev->mode_info.load_detect_property,
 827                                               1);
 828                 break;
 829         case DRM_MODE_CONNECTOR_DVIA:
 830                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
 831                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 832                 if (ret)
 833                         goto failed;
 834                 if (i2c_bus->valid) {
 835                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
 836                         if (!radeon_connector->ddc_bus)
 837                                 goto failed;
 838                 }
 839                 radeon_connector->dac_load_detect = true;
 840                 drm_connector_attach_property(&radeon_connector->base,
 841                                               rdev->mode_info.load_detect_property,
 842                                               1);
 843                 break;
 844         case DRM_MODE_CONNECTOR_DVII:
 845         case DRM_MODE_CONNECTOR_DVID:
 846                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
 847                 if (!radeon_dig_connector)
 848                         goto failed;
 849                 radeon_dig_connector->linkb = linkb;
 850                 radeon_dig_connector->igp_lane_info = igp_lane_info;
 851                 radeon_connector->con_priv = radeon_dig_connector;
 852                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
 853                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 854                 if (ret)
 855                         goto failed;
 856                 if (i2c_bus->valid) {
 857                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
 858                         if (!radeon_connector->ddc_bus)
 859                                 goto failed;
 860                 }
 861                 subpixel_order = SubPixelHorizontalRGB;
 862                 drm_connector_attach_property(&radeon_connector->base,
 863                                               rdev->mode_info.coherent_mode_property,
 864                                               1);
 865                 radeon_connector->dac_load_detect = true;
 866                 drm_connector_attach_property(&radeon_connector->base,
 867                                               rdev->mode_info.load_detect_property,
 868                                               1);
 869                 break;
 870         case DRM_MODE_CONNECTOR_HDMIA:
 871         case DRM_MODE_CONNECTOR_HDMIB:
 872                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
 873                 if (!radeon_dig_connector)
 874                         goto failed;
 875                 radeon_dig_connector->linkb = linkb;
 876                 radeon_dig_connector->igp_lane_info = igp_lane_info;
 877                 radeon_connector->con_priv = radeon_dig_connector;
 878                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
 879                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 880                 if (ret)
 881                         goto failed;
 882                 if (i2c_bus->valid) {
 883                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
 884                         if (!radeon_connector->ddc_bus)
 885                                 goto failed;
 886                 }
 887                 drm_connector_attach_property(&radeon_connector->base,
 888                                               rdev->mode_info.coherent_mode_property,
 889                                               1);
 890                 subpixel_order = SubPixelHorizontalRGB;
 891                 break;
 892         case DRM_MODE_CONNECTOR_DisplayPort:
 893                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
 894                 if (!radeon_dig_connector)
 895                         goto failed;
 896                 radeon_dig_connector->linkb = linkb;
 897                 radeon_dig_connector->igp_lane_info = igp_lane_info;
 898                 radeon_connector->con_priv = radeon_dig_connector;
 899                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
 900                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 901                 if (ret)
 902                         goto failed;
 903                 if (i2c_bus->valid) {
 904                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
 905                         if (!radeon_connector->ddc_bus)
 906                                 goto failed;
 907                 }
 908                 subpixel_order = SubPixelHorizontalRGB;
 909                 break;
 910         case DRM_MODE_CONNECTOR_SVIDEO:
 911         case DRM_MODE_CONNECTOR_Composite:
 912         case DRM_MODE_CONNECTOR_9PinDIN:
 913                 if (radeon_tv == 1) {
 914                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
 915                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
 916                         if (ret)
 917                                 goto failed;
 918                         radeon_connector->dac_load_detect = true;
 919                         drm_connector_attach_property(&radeon_connector->base,
 920                                                       rdev->mode_info.load_detect_property,
 921                                                       1);
 922                 }
 923                 break;
 924         case DRM_MODE_CONNECTOR_LVDS:
 925                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
 926                 if (!radeon_dig_connector)
 927                         goto failed;
 928                 radeon_dig_connector->linkb = linkb;
 929                 radeon_dig_connector->igp_lane_info = igp_lane_info;
 930                 radeon_connector->con_priv = radeon_dig_connector;
 931                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
 932                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
 933                 if (ret)
 934                         goto failed;
 935                 if (i2c_bus->valid) {
 936                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
 937                         if (!radeon_connector->ddc_bus)
 938                                 goto failed;
 939                 }
 940                 drm_mode_create_scaling_mode_property(dev);
 941                 drm_connector_attach_property(&radeon_connector->base,
 942                                               dev->mode_config.scaling_mode_property,
 943                                               DRM_MODE_SCALE_FULLSCREEN);
 944                 subpixel_order = SubPixelHorizontalRGB;
 945                 break;
 946         }
 947
 948         connector->display_info.subpixel_order = subpixel_order;
 949         drm_sysfs_connector_add(connector);
 950         return;
 951
 952 failed:
 953         if (radeon_connector->ddc_bus)
 954                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 955         drm_connector_cleanup(connector);
 956         kfree(connector);
 957 }
 958
 959 void
 960 radeon_add_legacy_connector(struct drm_device *dev,
 961                             uint32_t connector_id,
 962                             uint32_t supported_device,
 963                             int connector_type,
 964                             struct radeon_i2c_bus_rec *i2c_bus)
 965 {
 966         struct radeon_device *rdev = dev->dev_private;
 967         struct drm_connector *connector;
 968         struct radeon_connector *radeon_connector;
 969         uint32_t subpixel_order = SubPixelNone;
 970         int ret;
 971
 972         /* fixme - tv/cv/din */
 973         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
 974                 return;
 975
 976         /* see if we already added it */
 977         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 978                 radeon_connector = to_radeon_connector(connector);
 979                 if (radeon_connector->connector_id == connector_id) {
 980                         radeon_connector->devices |= supported_device;
 981                         return;
 982                 }
 983         }
 984
 985         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
 986         if (!radeon_connector)
 987                 return;
 988
 989         connector = &radeon_connector->base;
 990
 991         radeon_connector->connector_id = connector_id;
 992         radeon_connector->devices = supported_device;
 993         switch (connector_type) {
 994         case DRM_MODE_CONNECTOR_VGA:
 995                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
 996                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 997                 if (ret)
 998                         goto failed;
 999                 if (i2c_bus->valid) {
1000                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1001                         if (!radeon_connector->ddc_bus)
1002                                 goto failed;
1003                 }
1004                 radeon_connector->dac_load_detect = true;
1005                 drm_connector_attach_property(&radeon_connector->base,
1006                                               rdev->mode_info.load_detect_property,
1007                                               1);
1008                 break;
1009         case DRM_MODE_CONNECTOR_DVIA:
1010                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1011                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1012                 if (ret)
1013                         goto failed;
1014                 if (i2c_bus->valid) {
1015                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1016                         if (!radeon_connector->ddc_bus)
1017                                 goto failed;
1018                 }
1019                 radeon_connector->dac_load_detect = true;
1020                 drm_connector_attach_property(&radeon_connector->base,
1021                                               rdev->mode_info.load_detect_property,
1022                                               1);
1023                 break;
1024         case DRM_MODE_CONNECTOR_DVII:
1025         case DRM_MODE_CONNECTOR_DVID:
1026                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1027                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1028                 if (ret)
1029                         goto failed;
1030                 if (i2c_bus->valid) {
1031                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1032                         if (!radeon_connector->ddc_bus)
1033                                 goto failed;
1034                         radeon_connector->dac_load_detect = true;
1035                         drm_connector_attach_property(&radeon_connector->base,
1036                                                       rdev->mode_info.load_detect_property,
1037                                                       1);
1038                 }
1039                 subpixel_order = SubPixelHorizontalRGB;
1040                 break;
1041         case DRM_MODE_CONNECTOR_SVIDEO:
1042         case DRM_MODE_CONNECTOR_Composite:
1043         case DRM_MODE_CONNECTOR_9PinDIN:
1044                 if (radeon_tv == 1) {
1045                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1046                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1047                         if (ret)
1048                                 goto failed;
1049                         radeon_connector->dac_load_detect = true;
1050                         drm_connector_attach_property(&radeon_connector->base,
1051                                                       rdev->mode_info.load_detect_property,
1052                                                       1);
1053                 }
1054                 break;
1055         case DRM_MODE_CONNECTOR_LVDS:
1056                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1057                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1058                 if (ret)
1059                         goto failed;
1060                 if (i2c_bus->valid) {
1061                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1062                         if (!radeon_connector->ddc_bus)
1063                                 goto failed;
1064                 }
1065                 drm_connector_attach_property(&radeon_connector->base,
1066                                               dev->mode_config.scaling_mode_property,
1067                                               DRM_MODE_SCALE_FULLSCREEN);
1068                 subpixel_order = SubPixelHorizontalRGB;
1069                 break;
1070         }
1071
1072         connector->display_info.subpixel_order = subpixel_order;
1073         drm_sysfs_connector_add(connector);
1074         return;
1075
1076 failed:
1077         if (radeon_connector->ddc_bus)
1078                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1079         drm_connector_cleanup(connector);
1080         kfree(connector);
1081 }