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 "radeon_drm.h"
  30 #include "radeon.h"
  31 #include "atom.h"
  32
  33 extern void
  34 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
  35                                       struct drm_encoder *encoder,
  36                                       bool connected);
  37 extern void
  38 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
  39                                        struct drm_encoder *encoder,
  40                                        bool connected);
  41
  42 static void radeon_property_change_mode(struct drm_encoder *encoder)
  43 {
  44         struct drm_crtc *crtc = encoder->crtc;
  45
  46         if (crtc && crtc->enabled) {
  47                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
  48                                          crtc->x, crtc->y, crtc->fb);
  49         }
  50 }
  51 static void
  52 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
  53 {
  54         struct drm_device *dev = connector->dev;
  55         struct radeon_device *rdev = dev->dev_private;
  56         struct drm_encoder *best_encoder = NULL;
  57         struct drm_encoder *encoder = NULL;
  58         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
  59         struct drm_mode_object *obj;
  60         bool connected;
  61         int i;
  62
  63         best_encoder = connector_funcs->best_encoder(connector);
  64
  65         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  66                 if (connector->encoder_ids[i] == 0)
  67                         break;
  68
  69                 obj = drm_mode_object_find(connector->dev,
  70                                            connector->encoder_ids[i],
  71                                            DRM_MODE_OBJECT_ENCODER);
  72                 if (!obj)
  73                         continue;
  74
  75                 encoder = obj_to_encoder(obj);
  76
  77                 if ((encoder == best_encoder) && (status == connector_status_connected))
  78                         connected = true;
  79                 else
  80                         connected = false;
  81
  82                 if (rdev->is_atom_bios)
  83                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
  84                 else
  85                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
  86
  87         }
  88 }
  89
  90 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
  91 {
  92         struct drm_mode_object *obj;
  93         struct drm_encoder *encoder;
  94         int i;
  95
  96         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
  97                 if (connector->encoder_ids[i] == 0)
  98                         break;
  99
 100                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 101                 if (!obj)
 102                         continue;
 103
 104                 encoder = obj_to_encoder(obj);
 105                 if (encoder->encoder_type == encoder_type)
 106                         return encoder;
 107         }
 108         return NULL;
 109 }
 110
 111 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
 112 {
 113         int enc_id = connector->encoder_ids[0];
 114         struct drm_mode_object *obj;
 115         struct drm_encoder *encoder;
 116
 117         /* pick the encoder ids */
 118         if (enc_id) {
 119                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 120                 if (!obj)
 121                         return NULL;
 122                 encoder = obj_to_encoder(obj);
 123                 return encoder;
 124         }
 125         return NULL;
 126 }
 127
 128 /*
 129  * radeon_connector_analog_encoder_conflict_solve
 130  * - search for other connectors sharing this encoder
 131  *   if priority is true, then set them disconnected if this is connected
 132  *   if priority is false, set us disconnected if they are connected
 133  */
 134 static enum drm_connector_status
 135 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 136                                                struct drm_encoder *encoder,
 137                                                enum drm_connector_status current_status,
 138                                                bool priority)
 139 {
 140         struct drm_device *dev = connector->dev;
 141         struct drm_connector *conflict;
 142         int i;
 143
 144         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
 145                 if (conflict == connector)
 146                         continue;
 147
 148                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 149                         if (conflict->encoder_ids[i] == 0)
 150                                 break;
 151
 152                         /* if the IDs match */
 153                         if (conflict->encoder_ids[i] == encoder->base.id) {
 154                                 if (conflict->status != connector_status_connected)
 155                                         continue;
 156
 157                                 if (priority == true) {
 158                                         DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
 159                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
 160                                         conflict->status = connector_status_disconnected;
 161                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
 162                                 } else {
 163                                         DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
 164                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
 165                                         current_status = connector_status_disconnected;
 166                                 }
 167                                 break;
 168                         }
 169                 }
 170         }
 171         return current_status;
 172
 173 }
 174
 175 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
 176 {
 177         struct drm_device *dev = encoder->dev;
 178         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 179         struct drm_display_mode *mode = NULL;
 180         struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
 181
 182         if (native_mode->panel_xres != 0 &&
 183             native_mode->panel_yres != 0 &&
 184             native_mode->dotclock != 0) {
 185                 mode = drm_mode_create(dev);
 186
 187                 mode->hdisplay = native_mode->panel_xres;
 188                 mode->vdisplay = native_mode->panel_yres;
 189
 190                 mode->htotal = mode->hdisplay + native_mode->hblank;
 191                 mode->hsync_start = mode->hdisplay + native_mode->hoverplus;
 192                 mode->hsync_end = mode->hsync_start + native_mode->hsync_width;
 193                 mode->vtotal = mode->vdisplay + native_mode->vblank;
 194                 mode->vsync_start = mode->vdisplay + native_mode->voverplus;
 195                 mode->vsync_end = mode->vsync_start + native_mode->vsync_width;
 196                 mode->clock = native_mode->dotclock;
 197                 mode->flags = 0;
 198
 199                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 200                 drm_mode_set_name(mode);
 201
 202                 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
 203         }
 204         return mode;
 205 }
 206
 207 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
 208 {
 209         struct drm_device *dev = encoder->dev;
 210         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 211         struct drm_display_mode *mode = NULL;
 212         struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
 213         int i;
 214         struct mode_size {
 215                 int w;
 216                 int h;
 217         } common_modes[17] = {
 218                 { 640,  480},
 219                 { 720,  480},
 220                 { 800,  600},
 221                 { 848,  480},
 222                 {1024,  768},
 223                 {1152,  768},
 224                 {1280,  720},
 225                 {1280,  800},
 226                 {1280,  854},
 227                 {1280,  960},
 228                 {1280, 1024},
 229                 {1440,  900},
 230                 {1400, 1050},
 231                 {1680, 1050},
 232                 {1600, 1200},
 233                 {1920, 1080},
 234                 {1920, 1200}
 235         };
 236
 237         for (i = 0; i < 17; i++) {
 238                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 239                         if (common_modes[i].w > native_mode->panel_xres ||
 240                             common_modes[i].h > native_mode->panel_yres ||
 241                             (common_modes[i].w == native_mode->panel_xres &&
 242                              common_modes[i].h == native_mode->panel_yres))
 243                                 continue;
 244                 }
 245                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
 246                         continue;
 247
 248                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false);
 249                 drm_mode_probed_add(connector, mode);
 250         }
 251 }
 252
 253 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
 254                                   uint64_t val)
 255 {
 256         struct drm_device *dev = connector->dev;
 257         struct radeon_device *rdev = dev->dev_private;
 258         struct drm_encoder *encoder;
 259         struct radeon_encoder *radeon_encoder;
 260
 261         if (property == rdev->mode_info.coherent_mode_property) {
 262                 struct radeon_encoder_atom_dig *dig;
 263
 264                 /* need to find digital encoder on connector */
 265                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 266                 if (!encoder)
 267                         return 0;
 268
 269                 radeon_encoder = to_radeon_encoder(encoder);
 270
 271                 if (!radeon_encoder->enc_priv)
 272                         return 0;
 273
 274                 dig = radeon_encoder->enc_priv;
 275                 dig->coherent_mode = val ? true : false;
 276                 radeon_property_change_mode(&radeon_encoder->base);
 277         }
 278
 279         if (property == rdev->mode_info.tv_std_property) {
 280                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
 281                 if (!encoder) {
 282                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
 283                 }
 284
 285                 if (!encoder)
 286                         return 0;
 287
 288                 radeon_encoder = to_radeon_encoder(encoder);
 289                 if (!radeon_encoder->enc_priv)
 290                         return 0;
 291                 if (rdev->is_atom_bios) {
 292                         struct radeon_encoder_atom_dac *dac_int;
 293                         dac_int = radeon_encoder->enc_priv;
 294                         dac_int->tv_std = val;
 295                 } else {
 296                         struct radeon_encoder_tv_dac *dac_int;
 297                         dac_int = radeon_encoder->enc_priv;
 298                         dac_int->tv_std = val;
 299                 }
 300                 radeon_property_change_mode(&radeon_encoder->base);
 301         }
 302
 303         if (property == rdev->mode_info.load_detect_property) {
 304                 struct radeon_connector *radeon_connector =
 305                         to_radeon_connector(connector);
 306
 307                 if (val == 0)
 308                         radeon_connector->dac_load_detect = false;
 309                 else
 310                         radeon_connector->dac_load_detect = true;
 311         }
 312
 313         if (property == rdev->mode_info.tmds_pll_property) {
 314                 struct radeon_encoder_int_tmds *tmds = NULL;
 315                 bool ret = false;
 316                 /* need to find digital encoder on connector */
 317                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
 318                 if (!encoder)
 319                         return 0;
 320
 321                 radeon_encoder = to_radeon_encoder(encoder);
 322
 323                 tmds = radeon_encoder->enc_priv;
 324                 if (!tmds)
 325                         return 0;
 326
 327                 if (val == 0) {
 328                         if (rdev->is_atom_bios)
 329                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
 330                         else
 331                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 332                 }
 333                 if (val == 1 || ret == false) {
 334                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 335                 }
 336                 radeon_property_change_mode(&radeon_encoder->base);
 337         }
 338
 339         return 0;
 340 }
 341
 342 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
 343                                           struct drm_connector *connector)
 344 {
 345         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 346         struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
 347
 348         /* Try to get native mode details from EDID if necessary */
 349         if (!native_mode->dotclock) {
 350                 struct drm_display_mode *t, *mode;
 351
 352                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
 353                         if (mode->hdisplay == native_mode->panel_xres &&
 354                             mode->vdisplay == native_mode->panel_yres) {
 355                                 native_mode->hblank = mode->htotal - mode->hdisplay;
 356                                 native_mode->hoverplus = mode->hsync_start - mode->hdisplay;
 357                                 native_mode->hsync_width = mode->hsync_end - mode->hsync_start;
 358                                 native_mode->vblank = mode->vtotal - mode->vdisplay;
 359                                 native_mode->voverplus = mode->vsync_start - mode->vdisplay;
 360                                 native_mode->vsync_width = mode->vsync_end - mode->vsync_start;
 361                                 native_mode->dotclock = mode->clock;
 362                                 DRM_INFO("Determined LVDS native mode details from EDID\n");
 363                                 break;
 364                         }
 365                 }
 366         }
 367         if (!native_mode->dotclock) {
 368                 DRM_INFO("No LVDS native mode details, disabling RMX\n");
 369                 radeon_encoder->rmx_type = RMX_OFF;
 370         }
 371 }
 372
 373 static int radeon_lvds_get_modes(struct drm_connector *connector)
 374 {
 375         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 376         struct drm_encoder *encoder;
 377         int ret = 0;
 378         struct drm_display_mode *mode;
 379
 380         if (radeon_connector->ddc_bus) {
 381                 ret = radeon_ddc_get_modes(radeon_connector);
 382                 if (ret > 0) {
 383                         encoder = radeon_best_single_encoder(connector);
 384                         if (encoder) {
 385                                 radeon_fixup_lvds_native_mode(encoder, connector);
 386                                 /* add scaled modes */
 387                                 radeon_add_common_modes(encoder, connector);
 388                         }
 389                         return ret;
 390                 }
 391         }
 392
 393         encoder = radeon_best_single_encoder(connector);
 394         if (!encoder)
 395                 return 0;
 396
 397         /* we have no EDID modes */
 398         mode = radeon_fp_native_mode(encoder);
 399         if (mode) {
 400                 ret = 1;
 401                 drm_mode_probed_add(connector, mode);
 402                 /* add scaled modes */
 403                 radeon_add_common_modes(encoder, connector);
 404         }
 405
 406         return ret;
 407 }
 408
 409 static int radeon_lvds_mode_valid(struct drm_connector *connector,
 410                                   struct drm_display_mode *mode)
 411 {
 412         return MODE_OK;
 413 }
 414
 415 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
 416 {
 417         enum drm_connector_status ret = connector_status_connected;
 418         /* check acpi lid status ??? */
 419         radeon_connector_update_scratch_regs(connector, ret);
 420         return ret;
 421 }
 422
 423 static void radeon_connector_destroy(struct drm_connector *connector)
 424 {
 425         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 426
 427         if (radeon_connector->ddc_bus)
 428                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 429         kfree(radeon_connector->con_priv);
 430         drm_sysfs_connector_remove(connector);
 431         drm_connector_cleanup(connector);
 432         kfree(connector);
 433 }
 434
 435 static int radeon_lvds_set_property(struct drm_connector *connector,
 436                                     struct drm_property *property,
 437                                     uint64_t value)
 438 {
 439         struct drm_device *dev = connector->dev;
 440         struct radeon_encoder *radeon_encoder;
 441         enum radeon_rmx_type rmx_type;
 442
 443         DRM_DEBUG("\n");
 444         if (property != dev->mode_config.scaling_mode_property)
 445                 return 0;
 446
 447         if (connector->encoder)
 448                 radeon_encoder = to_radeon_encoder(connector->encoder);
 449         else {
 450                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 451                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
 452         }
 453
 454         switch (value) {
 455         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
 456         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
 457         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
 458         default:
 459         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
 460         }
 461         if (radeon_encoder->rmx_type == rmx_type)
 462                 return 0;
 463
 464         radeon_encoder->rmx_type = rmx_type;
 465
 466         radeon_property_change_mode(&radeon_encoder->base);
 467         return 0;
 468 }
 469
 470
 471 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
 472         .get_modes = radeon_lvds_get_modes,
 473         .mode_valid = radeon_lvds_mode_valid,
 474         .best_encoder = radeon_best_single_encoder,
 475 };
 476
 477 struct drm_connector_funcs radeon_lvds_connector_funcs = {
 478         .dpms = drm_helper_connector_dpms,
 479         .detect = radeon_lvds_detect,
 480         .fill_modes = drm_helper_probe_single_connector_modes,
 481         .destroy = radeon_connector_destroy,
 482         .set_property = radeon_lvds_set_property,
 483 };
 484
 485 static int radeon_vga_get_modes(struct drm_connector *connector)
 486 {
 487         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 488         int ret;
 489
 490         ret = radeon_ddc_get_modes(radeon_connector);
 491
 492         return ret;
 493 }
 494
 495 static int radeon_vga_mode_valid(struct drm_connector *connector,
 496                                   struct drm_display_mode *mode)
 497 {
 498         return MODE_OK;
 499 }
 500
 501 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
 502 {
 503         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 504         struct drm_encoder *encoder;
 505         struct drm_encoder_helper_funcs *encoder_funcs;
 506         bool dret;
 507         enum drm_connector_status ret = connector_status_disconnected;
 508
 509         encoder = radeon_best_single_encoder(connector);
 510         if (!encoder)
 511                 ret = connector_status_disconnected;
 512
 513         radeon_i2c_do_lock(radeon_connector, 1);
 514         dret = radeon_ddc_probe(radeon_connector);
 515         radeon_i2c_do_lock(radeon_connector, 0);
 516         if (dret)
 517                 ret = connector_status_connected;
 518         else {
 519                 if (radeon_connector->dac_load_detect) {
 520                         encoder_funcs = encoder->helper_private;
 521                         ret = encoder_funcs->detect(encoder, connector);
 522                 }
 523         }
 524
 525         if (ret == connector_status_connected)
 526                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 527         radeon_connector_update_scratch_regs(connector, ret);
 528         return ret;
 529 }
 530
 531 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
 532         .get_modes = radeon_vga_get_modes,
 533         .mode_valid = radeon_vga_mode_valid,
 534         .best_encoder = radeon_best_single_encoder,
 535 };
 536
 537 struct drm_connector_funcs radeon_vga_connector_funcs = {
 538         .dpms = drm_helper_connector_dpms,
 539         .detect = radeon_vga_detect,
 540         .fill_modes = drm_helper_probe_single_connector_modes,
 541         .destroy = radeon_connector_destroy,
 542         .set_property = radeon_connector_set_property,
 543 };
 544
 545 static int radeon_tv_get_modes(struct drm_connector *connector)
 546 {
 547         struct drm_device *dev = connector->dev;
 548         struct radeon_device *rdev = dev->dev_private;
 549         struct drm_display_mode *tv_mode;
 550         struct drm_encoder *encoder;
 551
 552         encoder = radeon_best_single_encoder(connector);
 553         if (!encoder)
 554                 return 0;
 555
 556         /* avivo chips can scale any mode */
 557         if (rdev->family >= CHIP_RS600)
 558                 /* add scaled modes */
 559                 radeon_add_common_modes(encoder, connector);
 560         else {
 561                 /* only 800x600 is supported right now on pre-avivo chips */
 562                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false);
 563                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 564                 drm_mode_probed_add(connector, tv_mode);
 565         }
 566         return 1;
 567 }
 568
 569 static int radeon_tv_mode_valid(struct drm_connector *connector,
 570                                 struct drm_display_mode *mode)
 571 {
 572         return MODE_OK;
 573 }
 574
 575 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
 576 {
 577         struct drm_encoder *encoder;
 578         struct drm_encoder_helper_funcs *encoder_funcs;
 579         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 580         enum drm_connector_status ret = connector_status_disconnected;
 581
 582         if (!radeon_connector->dac_load_detect)
 583                 return ret;
 584
 585         encoder = radeon_best_single_encoder(connector);
 586         if (!encoder)
 587                 ret = connector_status_disconnected;
 588         else {
 589                 encoder_funcs = encoder->helper_private;
 590                 ret = encoder_funcs->detect(encoder, connector);
 591         }
 592         if (ret == connector_status_connected)
 593                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
 594         radeon_connector_update_scratch_regs(connector, ret);
 595         return ret;
 596 }
 597
 598 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
 599         .get_modes = radeon_tv_get_modes,
 600         .mode_valid = radeon_tv_mode_valid,
 601         .best_encoder = radeon_best_single_encoder,
 602 };
 603
 604 struct drm_connector_funcs radeon_tv_connector_funcs = {
 605         .dpms = drm_helper_connector_dpms,
 606         .detect = radeon_tv_detect,
 607         .fill_modes = drm_helper_probe_single_connector_modes,
 608         .destroy = radeon_connector_destroy,
 609         .set_property = radeon_connector_set_property,
 610 };
 611
 612 static int radeon_dvi_get_modes(struct drm_connector *connector)
 613 {
 614         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 615         int ret;
 616
 617         ret = radeon_ddc_get_modes(radeon_connector);
 618         return ret;
 619 }
 620
 621 /*
 622  * DVI is complicated
 623  * Do a DDC probe, if DDC probe passes, get the full EDID so
 624  * we can do analog/digital monitor detection at this point.
 625  * If the monitor is an analog monitor or we got no DDC,
 626  * we need to find the DAC encoder object for this connector.
 627  * If we got no DDC, we do load detection on the DAC encoder object.
 628  * If we got analog DDC or load detection passes on the DAC encoder
 629  * we have to check if this analog encoder is shared with anyone else (TV)
 630  * if its shared we have to set the other connector to disconnected.
 631  */
 632 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
 633 {
 634         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 635         struct drm_encoder *encoder = NULL;
 636         struct drm_encoder_helper_funcs *encoder_funcs;
 637         struct drm_mode_object *obj;
 638         int i;
 639         enum drm_connector_status ret = connector_status_disconnected;
 640         bool dret;
 641
 642         radeon_i2c_do_lock(radeon_connector, 1);
 643         dret = radeon_ddc_probe(radeon_connector);
 644         radeon_i2c_do_lock(radeon_connector, 0);
 645         if (dret) {
 646                 radeon_i2c_do_lock(radeon_connector, 1);
 647                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
 648                 radeon_i2c_do_lock(radeon_connector, 0);
 649
 650                 if (!radeon_connector->edid) {
 651                         DRM_ERROR("DDC responded but not EDID found for %s\n",
 652                                   drm_get_connector_name(connector));
 653                 } else {
 654                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
 655
 656                         /* if this isn't a digital monitor
 657                            then we need to make sure we don't have any
 658                            TV conflicts */
 659                         ret = connector_status_connected;
 660                 }
 661         }
 662
 663         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 664                 goto out;
 665
 666         /* find analog encoder */
 667         if (radeon_connector->dac_load_detect) {
 668                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 669                         if (connector->encoder_ids[i] == 0)
 670                                 break;
 671
 672                         obj = drm_mode_object_find(connector->dev,
 673                                                    connector->encoder_ids[i],
 674                                                    DRM_MODE_OBJECT_ENCODER);
 675                         if (!obj)
 676                                 continue;
 677
 678                         encoder = obj_to_encoder(obj);
 679
 680                         encoder_funcs = encoder->helper_private;
 681                         if (encoder_funcs->detect) {
 682                                 if (ret != connector_status_connected) {
 683                                         ret = encoder_funcs->detect(encoder, connector);
 684                                         if (ret == connector_status_connected) {
 685                                                 radeon_connector->use_digital = false;
 686                                         }
 687                                 }
 688                                 break;
 689                         }
 690                 }
 691         }
 692
 693         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
 694             encoder) {
 695                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
 696         }
 697
 698 out:
 699         /* updated in get modes as well since we need to know if it's analog or digital */
 700         radeon_connector_update_scratch_regs(connector, ret);
 701         return ret;
 702 }
 703
 704 /* okay need to be smart in here about which encoder to pick */
 705 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
 706 {
 707         int enc_id = connector->encoder_ids[0];
 708         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 709         struct drm_mode_object *obj;
 710         struct drm_encoder *encoder;
 711         int i;
 712         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 713                 if (connector->encoder_ids[i] == 0)
 714                         break;
 715
 716                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
 717                 if (!obj)
 718                         continue;
 719
 720                 encoder = obj_to_encoder(obj);
 721
 722                 if (radeon_connector->use_digital == true) {
 723                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
 724                                 return encoder;
 725                 } else {
 726                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
 727                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
 728                                 return encoder;
 729                 }
 730         }
 731
 732         /* see if we have a default encoder  TODO */
 733
 734         /* then check use digitial */
 735         /* pick the first one */
 736         if (enc_id) {
 737                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
 738                 if (!obj)
 739                         return NULL;
 740                 encoder = obj_to_encoder(obj);
 741                 return encoder;
 742         }
 743         return NULL;
 744 }
 745
 746 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
 747         .get_modes = radeon_dvi_get_modes,
 748         .mode_valid = radeon_vga_mode_valid,
 749         .best_encoder = radeon_dvi_encoder,
 750 };
 751
 752 struct drm_connector_funcs radeon_dvi_connector_funcs = {
 753         .dpms = drm_helper_connector_dpms,
 754         .detect = radeon_dvi_detect,
 755         .fill_modes = drm_helper_probe_single_connector_modes,
 756         .set_property = radeon_connector_set_property,
 757         .destroy = radeon_connector_destroy,
 758 };
 759
 760 void
 761 radeon_add_atom_connector(struct drm_device *dev,
 762                           uint32_t connector_id,
 763                           uint32_t supported_device,
 764                           int connector_type,
 765                           struct radeon_i2c_bus_rec *i2c_bus,
 766                           bool linkb,
 767                           uint32_t igp_lane_info)
 768 {
 769         struct radeon_device *rdev = dev->dev_private;
 770         struct drm_connector *connector;
 771         struct radeon_connector *radeon_connector;
 772         struct radeon_connector_atom_dig *radeon_dig_connector;
 773         uint32_t subpixel_order = SubPixelNone;
 774
 775         /* fixme - tv/cv/din */
 776         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
 777                 return;
 778
 779         /* see if we already added it */
 780         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 781                 radeon_connector = to_radeon_connector(connector);
 782                 if (radeon_connector->connector_id == connector_id) {
 783                         radeon_connector->devices |= supported_device;
 784                         return;
 785                 }
 786         }
 787
 788         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
 789         if (!radeon_connector)
 790                 return;
 791
 792         connector = &radeon_connector->base;
 793
 794         radeon_connector->connector_id = connector_id;
 795         radeon_connector->devices = supported_device;
 796         switch (connector_type) {
 797         case DRM_MODE_CONNECTOR_VGA:
 798                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
 799                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 800                 if (i2c_bus->valid) {
 801                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
 802                         if (!radeon_connector->ddc_bus)
 803                                 goto failed;
 804                 }
 805                 drm_connector_attach_property(&radeon_connector->base,
 806                                               rdev->mode_info.load_detect_property,
 807                                               1);
 808                 break;
 809         case DRM_MODE_CONNECTOR_DVIA:
 810                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
 811                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 812                 if (i2c_bus->valid) {
 813                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
 814                         if (!radeon_connector->ddc_bus)
 815                                 goto failed;
 816                 }
 817                 drm_connector_attach_property(&radeon_connector->base,
 818                                               rdev->mode_info.load_detect_property,
 819                                               1);
 820                 break;
 821         case DRM_MODE_CONNECTOR_DVII:
 822         case DRM_MODE_CONNECTOR_DVID:
 823                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
 824                 if (!radeon_dig_connector)
 825                         goto failed;
 826                 radeon_dig_connector->linkb = linkb;
 827                 radeon_dig_connector->igp_lane_info = igp_lane_info;
 828                 radeon_connector->con_priv = radeon_dig_connector;
 829                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
 830                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 831                 if (i2c_bus->valid) {
 832                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
 833                         if (!radeon_connector->ddc_bus)
 834                                 goto failed;
 835                 }
 836                 subpixel_order = SubPixelHorizontalRGB;
 837                 drm_connector_attach_property(&radeon_connector->base,
 838                                               rdev->mode_info.coherent_mode_property,
 839                                               1);
 840                 drm_connector_attach_property(&radeon_connector->base,
 841                                               rdev->mode_info.load_detect_property,
 842                                               1);
 843                 break;
 844         case DRM_MODE_CONNECTOR_HDMIA:
 845         case DRM_MODE_CONNECTOR_HDMIB:
 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                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 854                 if (i2c_bus->valid) {
 855                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
 856                         if (!radeon_connector->ddc_bus)
 857                                 goto failed;
 858                 }
 859                 drm_connector_attach_property(&radeon_connector->base,
 860                                               rdev->mode_info.coherent_mode_property,
 861                                               1);
 862                 subpixel_order = SubPixelHorizontalRGB;
 863                 break;
 864         case DRM_MODE_CONNECTOR_DisplayPort:
 865                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
 866                 if (!radeon_dig_connector)
 867                         goto failed;
 868                 radeon_dig_connector->linkb = linkb;
 869                 radeon_dig_connector->igp_lane_info = igp_lane_info;
 870                 radeon_connector->con_priv = radeon_dig_connector;
 871                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
 872                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 873                 if (i2c_bus->valid) {
 874                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
 875                         if (!radeon_connector->ddc_bus)
 876                                 goto failed;
 877                 }
 878                 subpixel_order = SubPixelHorizontalRGB;
 879                 break;
 880         case DRM_MODE_CONNECTOR_SVIDEO:
 881         case DRM_MODE_CONNECTOR_Composite:
 882         case DRM_MODE_CONNECTOR_9PinDIN:
 883                 if (radeon_tv == 1) {
 884                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
 885                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
 886                 }
 887                 drm_connector_attach_property(&radeon_connector->base,
 888                                               rdev->mode_info.load_detect_property,
 889                                               1);
 890                 break;
 891         case DRM_MODE_CONNECTOR_LVDS:
 892                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
 893                 if (!radeon_dig_connector)
 894                         goto failed;
 895                 radeon_dig_connector->linkb = linkb;
 896                 radeon_dig_connector->igp_lane_info = igp_lane_info;
 897                 radeon_connector->con_priv = radeon_dig_connector;
 898                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
 899                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
 900                 if (i2c_bus->valid) {
 901                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
 902                         if (!radeon_connector->ddc_bus)
 903                                 goto failed;
 904                 }
 905                 drm_mode_create_scaling_mode_property(dev);
 906                 drm_connector_attach_property(&radeon_connector->base,
 907                                               dev->mode_config.scaling_mode_property,
 908                                               DRM_MODE_SCALE_FULLSCREEN);
 909                 subpixel_order = SubPixelHorizontalRGB;
 910                 break;
 911         }
 912
 913         connector->display_info.subpixel_order = subpixel_order;
 914         drm_sysfs_connector_add(connector);
 915         return;
 916
 917 failed:
 918         if (radeon_connector->ddc_bus)
 919                 radeon_i2c_destroy(radeon_connector->ddc_bus);
 920         drm_connector_cleanup(connector);
 921         kfree(connector);
 922 }
 923
 924 void
 925 radeon_add_legacy_connector(struct drm_device *dev,
 926                             uint32_t connector_id,
 927                             uint32_t supported_device,
 928                             int connector_type,
 929                             struct radeon_i2c_bus_rec *i2c_bus)
 930 {
 931         struct radeon_device *rdev = dev->dev_private;
 932         struct drm_connector *connector;
 933         struct radeon_connector *radeon_connector;
 934         uint32_t subpixel_order = SubPixelNone;
 935
 936         /* fixme - tv/cv/din */
 937         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
 938                 return;
 939
 940         /* see if we already added it */
 941         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 942                 radeon_connector = to_radeon_connector(connector);
 943                 if (radeon_connector->connector_id == connector_id) {
 944                         radeon_connector->devices |= supported_device;
 945                         return;
 946                 }
 947         }
 948
 949         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
 950         if (!radeon_connector)
 951                 return;
 952
 953         connector = &radeon_connector->base;
 954
 955         radeon_connector->connector_id = connector_id;
 956         radeon_connector->devices = supported_device;
 957         switch (connector_type) {
 958         case DRM_MODE_CONNECTOR_VGA:
 959                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
 960                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 961                 if (i2c_bus->valid) {
 962                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
 963                         if (!radeon_connector->ddc_bus)
 964                                 goto failed;
 965                 }
 966                 drm_connector_attach_property(&radeon_connector->base,
 967                                               rdev->mode_info.load_detect_property,
 968                                               1);
 969                 break;
 970         case DRM_MODE_CONNECTOR_DVIA:
 971                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
 972                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 973                 if (i2c_bus->valid) {
 974                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
 975                         if (!radeon_connector->ddc_bus)
 976                                 goto failed;
 977                 }
 978                 drm_connector_attach_property(&radeon_connector->base,
 979                                               rdev->mode_info.load_detect_property,
 980                                               1);
 981                 break;
 982         case DRM_MODE_CONNECTOR_DVII:
 983         case DRM_MODE_CONNECTOR_DVID:
 984                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
 985                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 986                 if (i2c_bus->valid) {
 987                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
 988                         if (!radeon_connector->ddc_bus)
 989                                 goto failed;
 990                         drm_connector_attach_property(&radeon_connector->base,
 991                                                       rdev->mode_info.load_detect_property,
 992                                                       1);
 993                 }
 994                 subpixel_order = SubPixelHorizontalRGB;
 995                 break;
 996         case DRM_MODE_CONNECTOR_SVIDEO:
 997         case DRM_MODE_CONNECTOR_Composite:
 998         case DRM_MODE_CONNECTOR_9PinDIN:
 999                 if (radeon_tv == 1) {
1000                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1001                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1002                         drm_connector_attach_property(&radeon_connector->base,
1003                                                       rdev->mode_info.load_detect_property,
1004                                                       1);
1005                 }
1006                 break;
1007         case DRM_MODE_CONNECTOR_LVDS:
1008                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1009                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1010                 if (i2c_bus->valid) {
1011                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1012                         if (!radeon_connector->ddc_bus)
1013                                 goto failed;
1014                 }
1015                 drm_connector_attach_property(&radeon_connector->base,
1016                                               dev->mode_config.scaling_mode_property,
1017                                               DRM_MODE_SCALE_FULLSCREEN);
1018                 subpixel_order = SubPixelHorizontalRGB;
1019                 break;
1020         }
1021
1022         connector->display_info.subpixel_order = subpixel_order;
1023         drm_sysfs_connector_add(connector);
1024         return;
1025
1026 failed:
1027         if (radeon_connector->ddc_bus)
1028                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1029         drm_connector_cleanup(connector);
1030         kfree(connector);
1031 }