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