1 /* 2 * Copyright (C) 2008 Maarten Maathuis. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #include <acpi/button.h> 28 29 #include "drmP.h" 30 #include "drm_edid.h" 31 #include "drm_crtc_helper.h" 32 33 #include "nouveau_reg.h" 34 #include "nouveau_drv.h" 35 #include "nouveau_encoder.h" 36 #include "nouveau_crtc.h" 37 #include "nouveau_connector.h" 38 #include "nouveau_hw.h" 39 40 static void nouveau_connector_hotplug(void *, int); 41 42 struct nouveau_encoder * 43 find_encoder(struct drm_connector *connector, int type) 44 { 45 struct drm_device *dev = connector->dev; 46 struct nouveau_encoder *nv_encoder; 47 struct drm_mode_object *obj; 48 int i, id; 49 50 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 51 id = connector->encoder_ids[i]; 52 if (!id) 53 break; 54 55 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); 56 if (!obj) 57 continue; 58 nv_encoder = nouveau_encoder(obj_to_encoder(obj)); 59 60 if (type == OUTPUT_ANY || nv_encoder->dcb->type == type) 61 return nv_encoder; 62 } 63 64 return NULL; 65 } 66 67 struct nouveau_connector * 68 nouveau_encoder_connector_get(struct nouveau_encoder *encoder) 69 { 70 struct drm_device *dev = to_drm_encoder(encoder)->dev; 71 struct drm_connector *drm_connector; 72 73 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { 74 if (drm_connector->encoder == to_drm_encoder(encoder)) 75 return nouveau_connector(drm_connector); 76 } 77 78 return NULL; 79 } 80 81 /*TODO: This could use improvement, and learn to handle the fixed 82 * BIOS tables etc. It's fine currently, for its only user. 83 */ 84 int 85 nouveau_connector_bpp(struct drm_connector *connector) 86 { 87 struct nouveau_connector *nv_connector = nouveau_connector(connector); 88 89 if (nv_connector->edid && nv_connector->edid->revision >= 4) { 90 u8 bpc = ((nv_connector->edid->input & 0x70) >> 3) + 4; 91 if (bpc > 4) 92 return bpc; 93 } 94 95 return 18; 96 } 97 98 static void 99 nouveau_connector_destroy(struct drm_connector *connector) 100 { 101 struct nouveau_connector *nv_connector = nouveau_connector(connector); 102 struct drm_nouveau_private *dev_priv; 103 struct nouveau_gpio_engine *pgpio; 104 struct drm_device *dev; 105 106 if (!nv_connector) 107 return; 108 109 dev = nv_connector->base.dev; 110 dev_priv = dev->dev_private; 111 NV_DEBUG_KMS(dev, "\n"); 112 113 pgpio = &dev_priv->engine.gpio; 114 if (pgpio->irq_unregister) { 115 pgpio->irq_unregister(dev, nv_connector->dcb->gpio_tag, 116 nouveau_connector_hotplug, connector); 117 } 118 119 kfree(nv_connector->edid); 120 drm_sysfs_connector_remove(connector); 121 drm_connector_cleanup(connector); 122 kfree(connector); 123 } 124 125 static struct nouveau_i2c_chan * 126 nouveau_connector_ddc_detect(struct drm_connector *connector, 127 struct nouveau_encoder **pnv_encoder) 128 { 129 struct drm_device *dev = connector->dev; 130 int i; 131 132 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 133 struct nouveau_i2c_chan *i2c = NULL; 134 struct nouveau_encoder *nv_encoder; 135 struct drm_mode_object *obj; 136 int id; 137 138 id = connector->encoder_ids[i]; 139 if (!id) 140 break; 141 142 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); 143 if (!obj) 144 continue; 145 nv_encoder = nouveau_encoder(obj_to_encoder(obj)); 146 147 if (nv_encoder->dcb->i2c_index < 0xf) 148 i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); 149 150 if (i2c && nouveau_probe_i2c_addr(i2c, 0x50)) { 151 *pnv_encoder = nv_encoder; 152 return i2c; 153 } 154 } 155 156 return NULL; 157 } 158 159 static struct nouveau_encoder * 160 nouveau_connector_of_detect(struct drm_connector *connector) 161 { 162 #ifdef __powerpc__ 163 struct drm_device *dev = connector->dev; 164 struct nouveau_connector *nv_connector = nouveau_connector(connector); 165 struct nouveau_encoder *nv_encoder; 166 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); 167 168 if (!dn || 169 !((nv_encoder = find_encoder(connector, OUTPUT_TMDS)) || 170 (nv_encoder = find_encoder(connector, OUTPUT_ANALOG)))) 171 return NULL; 172 173 for_each_child_of_node(dn, cn) { 174 const char *name = of_get_property(cn, "name", NULL); 175 const void *edid = of_get_property(cn, "EDID", NULL); 176 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 177 178 if (nv_encoder->dcb->i2c_index == idx && edid) { 179 nv_connector->edid = 180 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 181 of_node_put(cn); 182 return nv_encoder; 183 } 184 } 185 #endif 186 return NULL; 187 } 188 189 static void 190 nouveau_connector_set_encoder(struct drm_connector *connector, 191 struct nouveau_encoder *nv_encoder) 192 { 193 struct nouveau_connector *nv_connector = nouveau_connector(connector); 194 struct drm_nouveau_private *dev_priv = connector->dev->dev_private; 195 struct drm_device *dev = connector->dev; 196 197 if (nv_connector->detected_encoder == nv_encoder) 198 return; 199 nv_connector->detected_encoder = nv_encoder; 200 201 if (nv_encoder->dcb->type == OUTPUT_LVDS || 202 nv_encoder->dcb->type == OUTPUT_TMDS) { 203 connector->doublescan_allowed = false; 204 connector->interlace_allowed = false; 205 } else { 206 connector->doublescan_allowed = true; 207 if (dev_priv->card_type == NV_20 || 208 (dev_priv->card_type == NV_10 && 209 (dev->pci_device & 0x0ff0) != 0x0100 && 210 (dev->pci_device & 0x0ff0) != 0x0150)) 211 /* HW is broken */ 212 connector->interlace_allowed = false; 213 else 214 connector->interlace_allowed = true; 215 } 216 217 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) { 218 drm_connector_property_set_value(connector, 219 dev->mode_config.dvi_i_subconnector_property, 220 nv_encoder->dcb->type == OUTPUT_TMDS ? 221 DRM_MODE_SUBCONNECTOR_DVID : 222 DRM_MODE_SUBCONNECTOR_DVIA); 223 } 224 } 225 226 static enum drm_connector_status 227 nouveau_connector_detect(struct drm_connector *connector, bool force) 228 { 229 struct drm_device *dev = connector->dev; 230 struct nouveau_connector *nv_connector = nouveau_connector(connector); 231 struct nouveau_encoder *nv_encoder = NULL; 232 struct nouveau_encoder *nv_partner; 233 struct nouveau_i2c_chan *i2c; 234 int type; 235 236 /* Cleanup the previous EDID block. */ 237 if (nv_connector->edid) { 238 drm_mode_connector_update_edid_property(connector, NULL); 239 kfree(nv_connector->edid); 240 nv_connector->edid = NULL; 241 } 242 243 i2c = nouveau_connector_ddc_detect(connector, &nv_encoder); 244 if (i2c) { 245 nv_connector->edid = drm_get_edid(connector, &i2c->adapter); 246 drm_mode_connector_update_edid_property(connector, 247 nv_connector->edid); 248 if (!nv_connector->edid) { 249 NV_ERROR(dev, "DDC responded, but no EDID for %s\n", 250 drm_get_connector_name(connector)); 251 goto detect_analog; 252 } 253 254 if (nv_encoder->dcb->type == OUTPUT_DP && 255 !nouveau_dp_detect(to_drm_encoder(nv_encoder))) { 256 NV_ERROR(dev, "Detected %s, but failed init\n", 257 drm_get_connector_name(connector)); 258 return connector_status_disconnected; 259 } 260 261 /* Override encoder type for DVI-I based on whether EDID 262 * says the display is digital or analog, both use the 263 * same i2c channel so the value returned from ddc_detect 264 * isn't necessarily correct. 265 */ 266 nv_partner = NULL; 267 if (nv_encoder->dcb->type == OUTPUT_TMDS) 268 nv_partner = find_encoder(connector, OUTPUT_ANALOG); 269 if (nv_encoder->dcb->type == OUTPUT_ANALOG) 270 nv_partner = find_encoder(connector, OUTPUT_TMDS); 271 272 if (nv_partner && ((nv_encoder->dcb->type == OUTPUT_ANALOG && 273 nv_partner->dcb->type == OUTPUT_TMDS) || 274 (nv_encoder->dcb->type == OUTPUT_TMDS && 275 nv_partner->dcb->type == OUTPUT_ANALOG))) { 276 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 277 type = OUTPUT_TMDS; 278 else 279 type = OUTPUT_ANALOG; 280 281 nv_encoder = find_encoder(connector, type); 282 } 283 284 nouveau_connector_set_encoder(connector, nv_encoder); 285 return connector_status_connected; 286 } 287 288 nv_encoder = nouveau_connector_of_detect(connector); 289 if (nv_encoder) { 290 nouveau_connector_set_encoder(connector, nv_encoder); 291 return connector_status_connected; 292 } 293 294 detect_analog: 295 nv_encoder = find_encoder(connector, OUTPUT_ANALOG); 296 if (!nv_encoder && !nouveau_tv_disable) 297 nv_encoder = find_encoder(connector, OUTPUT_TV); 298 if (nv_encoder && force) { 299 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 300 struct drm_encoder_helper_funcs *helper = 301 encoder->helper_private; 302 303 if (helper->detect(encoder, connector) == 304 connector_status_connected) { 305 nouveau_connector_set_encoder(connector, nv_encoder); 306 return connector_status_connected; 307 } 308 309 } 310 311 return connector_status_disconnected; 312 } 313 314 static enum drm_connector_status 315 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 316 { 317 struct drm_device *dev = connector->dev; 318 struct drm_nouveau_private *dev_priv = dev->dev_private; 319 struct nouveau_connector *nv_connector = nouveau_connector(connector); 320 struct nouveau_encoder *nv_encoder = NULL; 321 enum drm_connector_status status = connector_status_disconnected; 322 323 /* Cleanup the previous EDID block. */ 324 if (nv_connector->edid) { 325 drm_mode_connector_update_edid_property(connector, NULL); 326 kfree(nv_connector->edid); 327 nv_connector->edid = NULL; 328 } 329 330 nv_encoder = find_encoder(connector, OUTPUT_LVDS); 331 if (!nv_encoder) 332 return connector_status_disconnected; 333 334 /* Try retrieving EDID via DDC */ 335 if (!dev_priv->vbios.fp_no_ddc) { 336 status = nouveau_connector_detect(connector, force); 337 if (status == connector_status_connected) 338 goto out; 339 } 340 341 /* On some laptops (Sony, i'm looking at you) there appears to 342 * be no direct way of accessing the panel's EDID. The only 343 * option available to us appears to be to ask ACPI for help.. 344 * 345 * It's important this check's before trying straps, one of the 346 * said manufacturer's laptops are configured in such a way 347 * the nouveau decides an entry in the VBIOS FP mode table is 348 * valid - it's not (rh#613284) 349 */ 350 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 351 if (!nouveau_acpi_edid(dev, connector)) { 352 status = connector_status_connected; 353 goto out; 354 } 355 } 356 357 /* If no EDID found above, and the VBIOS indicates a hardcoded 358 * modeline is avalilable for the panel, set it as the panel's 359 * native mode and exit. 360 */ 361 if (nouveau_bios_fp_mode(dev, NULL) && (dev_priv->vbios.fp_no_ddc || 362 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 363 status = connector_status_connected; 364 goto out; 365 } 366 367 /* Still nothing, some VBIOS images have a hardcoded EDID block 368 * stored for the panel stored in them. 369 */ 370 if (!dev_priv->vbios.fp_no_ddc) { 371 struct edid *edid = 372 (struct edid *)nouveau_bios_embedded_edid(dev); 373 if (edid) { 374 nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL); 375 *(nv_connector->edid) = *edid; 376 status = connector_status_connected; 377 } 378 } 379 380 out: 381 #if defined(CONFIG_ACPI_BUTTON) || \ 382 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 383 if (status == connector_status_connected && 384 !nouveau_ignorelid && !acpi_lid_open()) 385 status = connector_status_unknown; 386 #endif 387 388 drm_mode_connector_update_edid_property(connector, nv_connector->edid); 389 nouveau_connector_set_encoder(connector, nv_encoder); 390 return status; 391 } 392 393 static void 394 nouveau_connector_force(struct drm_connector *connector) 395 { 396 struct nouveau_connector *nv_connector = nouveau_connector(connector); 397 struct nouveau_encoder *nv_encoder; 398 int type; 399 400 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) { 401 if (connector->force == DRM_FORCE_ON_DIGITAL) 402 type = OUTPUT_TMDS; 403 else 404 type = OUTPUT_ANALOG; 405 } else 406 type = OUTPUT_ANY; 407 408 nv_encoder = find_encoder(connector, type); 409 if (!nv_encoder) { 410 NV_ERROR(connector->dev, "can't find encoder to force %s on!\n", 411 drm_get_connector_name(connector)); 412 connector->status = connector_status_disconnected; 413 return; 414 } 415 416 nouveau_connector_set_encoder(connector, nv_encoder); 417 } 418 419 static int 420 nouveau_connector_set_property(struct drm_connector *connector, 421 struct drm_property *property, uint64_t value) 422 { 423 struct nouveau_connector *nv_connector = nouveau_connector(connector); 424 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 425 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 426 struct drm_device *dev = connector->dev; 427 int ret; 428 429 /* Scaling mode */ 430 if (property == dev->mode_config.scaling_mode_property) { 431 struct nouveau_crtc *nv_crtc = NULL; 432 bool modeset = false; 433 434 switch (value) { 435 case DRM_MODE_SCALE_NONE: 436 case DRM_MODE_SCALE_FULLSCREEN: 437 case DRM_MODE_SCALE_CENTER: 438 case DRM_MODE_SCALE_ASPECT: 439 break; 440 default: 441 return -EINVAL; 442 } 443 444 /* LVDS always needs gpu scaling */ 445 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS && 446 value == DRM_MODE_SCALE_NONE) 447 return -EINVAL; 448 449 /* Changing between GPU and panel scaling requires a full 450 * modeset 451 */ 452 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) || 453 (value == DRM_MODE_SCALE_NONE)) 454 modeset = true; 455 nv_connector->scaling_mode = value; 456 457 if (connector->encoder && connector->encoder->crtc) 458 nv_crtc = nouveau_crtc(connector->encoder->crtc); 459 if (!nv_crtc) 460 return 0; 461 462 if (modeset || !nv_crtc->set_scale) { 463 ret = drm_crtc_helper_set_mode(&nv_crtc->base, 464 &nv_crtc->base.mode, 465 nv_crtc->base.x, 466 nv_crtc->base.y, NULL); 467 if (!ret) 468 return -EINVAL; 469 } else { 470 ret = nv_crtc->set_scale(nv_crtc, value, true); 471 if (ret) 472 return ret; 473 } 474 475 return 0; 476 } 477 478 /* Dithering */ 479 if (property == dev->mode_config.dithering_mode_property) { 480 struct nouveau_crtc *nv_crtc = NULL; 481 482 if (value == DRM_MODE_DITHERING_ON) 483 nv_connector->use_dithering = true; 484 else 485 nv_connector->use_dithering = false; 486 487 if (connector->encoder && connector->encoder->crtc) 488 nv_crtc = nouveau_crtc(connector->encoder->crtc); 489 490 if (!nv_crtc || !nv_crtc->set_dither) 491 return 0; 492 493 return nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering, 494 true); 495 } 496 497 if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV) 498 return get_slave_funcs(encoder)->set_property( 499 encoder, connector, property, value); 500 501 return -EINVAL; 502 } 503 504 static struct drm_display_mode * 505 nouveau_connector_native_mode(struct drm_connector *connector) 506 { 507 struct drm_connector_helper_funcs *helper = connector->helper_private; 508 struct nouveau_connector *nv_connector = nouveau_connector(connector); 509 struct drm_device *dev = connector->dev; 510 struct drm_display_mode *mode, *largest = NULL; 511 int high_w = 0, high_h = 0, high_v = 0; 512 513 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) { 514 mode->vrefresh = drm_mode_vrefresh(mode); 515 if (helper->mode_valid(connector, mode) != MODE_OK || 516 (mode->flags & DRM_MODE_FLAG_INTERLACE)) 517 continue; 518 519 /* Use preferred mode if there is one.. */ 520 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 521 NV_DEBUG_KMS(dev, "native mode from preferred\n"); 522 return drm_mode_duplicate(dev, mode); 523 } 524 525 /* Otherwise, take the resolution with the largest width, then 526 * height, then vertical refresh 527 */ 528 if (mode->hdisplay < high_w) 529 continue; 530 531 if (mode->hdisplay == high_w && mode->vdisplay < high_h) 532 continue; 533 534 if (mode->hdisplay == high_w && mode->vdisplay == high_h && 535 mode->vrefresh < high_v) 536 continue; 537 538 high_w = mode->hdisplay; 539 high_h = mode->vdisplay; 540 high_v = mode->vrefresh; 541 largest = mode; 542 } 543 544 NV_DEBUG_KMS(dev, "native mode from largest: %dx%d@%d\n", 545 high_w, high_h, high_v); 546 return largest ? drm_mode_duplicate(dev, largest) : NULL; 547 } 548 549 struct moderec { 550 int hdisplay; 551 int vdisplay; 552 }; 553 554 static struct moderec scaler_modes[] = { 555 { 1920, 1200 }, 556 { 1920, 1080 }, 557 { 1680, 1050 }, 558 { 1600, 1200 }, 559 { 1400, 1050 }, 560 { 1280, 1024 }, 561 { 1280, 960 }, 562 { 1152, 864 }, 563 { 1024, 768 }, 564 { 800, 600 }, 565 { 720, 400 }, 566 { 640, 480 }, 567 { 640, 400 }, 568 { 640, 350 }, 569 {} 570 }; 571 572 static int 573 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 574 { 575 struct nouveau_connector *nv_connector = nouveau_connector(connector); 576 struct drm_display_mode *native = nv_connector->native_mode, *m; 577 struct drm_device *dev = connector->dev; 578 struct moderec *mode = &scaler_modes[0]; 579 int modes = 0; 580 581 if (!native) 582 return 0; 583 584 while (mode->hdisplay) { 585 if (mode->hdisplay <= native->hdisplay && 586 mode->vdisplay <= native->vdisplay) { 587 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 588 drm_mode_vrefresh(native), false, 589 false, false); 590 if (!m) 591 continue; 592 593 m->type |= DRM_MODE_TYPE_DRIVER; 594 595 drm_mode_probed_add(connector, m); 596 modes++; 597 } 598 599 mode++; 600 } 601 602 return modes; 603 } 604 605 static int 606 nouveau_connector_get_modes(struct drm_connector *connector) 607 { 608 struct drm_device *dev = connector->dev; 609 struct drm_nouveau_private *dev_priv = dev->dev_private; 610 struct nouveau_connector *nv_connector = nouveau_connector(connector); 611 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 612 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 613 int ret = 0; 614 615 /* destroy the native mode, the attached monitor could have changed. 616 */ 617 if (nv_connector->native_mode) { 618 drm_mode_destroy(dev, nv_connector->native_mode); 619 nv_connector->native_mode = NULL; 620 } 621 622 if (nv_connector->edid) 623 ret = drm_add_edid_modes(connector, nv_connector->edid); 624 else 625 if (nv_encoder->dcb->type == OUTPUT_LVDS && 626 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 627 dev_priv->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 628 struct drm_display_mode mode; 629 630 nouveau_bios_fp_mode(dev, &mode); 631 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 632 } 633 634 /* Find the native mode if this is a digital panel, if we didn't 635 * find any modes through DDC previously add the native mode to 636 * the list of modes. 637 */ 638 if (!nv_connector->native_mode) 639 nv_connector->native_mode = 640 nouveau_connector_native_mode(connector); 641 if (ret == 0 && nv_connector->native_mode) { 642 struct drm_display_mode *mode; 643 644 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 645 drm_mode_probed_add(connector, mode); 646 ret = 1; 647 } 648 649 if (nv_encoder->dcb->type == OUTPUT_TV) 650 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 651 652 if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS || 653 nv_connector->dcb->type == DCB_CONNECTOR_LVDS_SPWG || 654 nv_connector->dcb->type == DCB_CONNECTOR_eDP) 655 ret += nouveau_connector_scaler_modes_add(connector); 656 657 return ret; 658 } 659 660 static unsigned 661 get_tmds_link_bandwidth(struct drm_connector *connector) 662 { 663 struct nouveau_connector *nv_connector = nouveau_connector(connector); 664 struct drm_nouveau_private *dev_priv = connector->dev->dev_private; 665 struct dcb_entry *dcb = nv_connector->detected_encoder->dcb; 666 667 if (dcb->location != DCB_LOC_ON_CHIP || 668 dev_priv->chipset >= 0x46) 669 return 165000; 670 else if (dev_priv->chipset >= 0x40) 671 return 155000; 672 else if (dev_priv->chipset >= 0x18) 673 return 135000; 674 else 675 return 112000; 676 } 677 678 static int 679 nouveau_connector_mode_valid(struct drm_connector *connector, 680 struct drm_display_mode *mode) 681 { 682 struct nouveau_connector *nv_connector = nouveau_connector(connector); 683 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 684 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 685 unsigned min_clock = 25000, max_clock = min_clock; 686 unsigned clock = mode->clock; 687 688 switch (nv_encoder->dcb->type) { 689 case OUTPUT_LVDS: 690 if (nv_connector->native_mode && 691 (mode->hdisplay > nv_connector->native_mode->hdisplay || 692 mode->vdisplay > nv_connector->native_mode->vdisplay)) 693 return MODE_PANEL; 694 695 min_clock = 0; 696 max_clock = 400000; 697 break; 698 case OUTPUT_TMDS: 699 max_clock = get_tmds_link_bandwidth(connector); 700 if (nouveau_duallink && nv_encoder->dcb->duallink_possible) 701 max_clock *= 2; 702 break; 703 case OUTPUT_ANALOG: 704 max_clock = nv_encoder->dcb->crtconf.maxfreq; 705 if (!max_clock) 706 max_clock = 350000; 707 break; 708 case OUTPUT_TV: 709 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 710 case OUTPUT_DP: 711 max_clock = nv_encoder->dp.link_nr; 712 max_clock *= nv_encoder->dp.link_bw; 713 clock = clock * nouveau_connector_bpp(connector) / 10; 714 break; 715 default: 716 BUG_ON(1); 717 return MODE_BAD; 718 } 719 720 if (clock < min_clock) 721 return MODE_CLOCK_LOW; 722 723 if (clock > max_clock) 724 return MODE_CLOCK_HIGH; 725 726 return MODE_OK; 727 } 728 729 static struct drm_encoder * 730 nouveau_connector_best_encoder(struct drm_connector *connector) 731 { 732 struct nouveau_connector *nv_connector = nouveau_connector(connector); 733 734 if (nv_connector->detected_encoder) 735 return to_drm_encoder(nv_connector->detected_encoder); 736 737 return NULL; 738 } 739 740 static const struct drm_connector_helper_funcs 741 nouveau_connector_helper_funcs = { 742 .get_modes = nouveau_connector_get_modes, 743 .mode_valid = nouveau_connector_mode_valid, 744 .best_encoder = nouveau_connector_best_encoder, 745 }; 746 747 static const struct drm_connector_funcs 748 nouveau_connector_funcs = { 749 .dpms = drm_helper_connector_dpms, 750 .save = NULL, 751 .restore = NULL, 752 .detect = nouveau_connector_detect, 753 .destroy = nouveau_connector_destroy, 754 .fill_modes = drm_helper_probe_single_connector_modes, 755 .set_property = nouveau_connector_set_property, 756 .force = nouveau_connector_force 757 }; 758 759 static const struct drm_connector_funcs 760 nouveau_connector_funcs_lvds = { 761 .dpms = drm_helper_connector_dpms, 762 .save = NULL, 763 .restore = NULL, 764 .detect = nouveau_connector_detect_lvds, 765 .destroy = nouveau_connector_destroy, 766 .fill_modes = drm_helper_probe_single_connector_modes, 767 .set_property = nouveau_connector_set_property, 768 .force = nouveau_connector_force 769 }; 770 771 struct drm_connector * 772 nouveau_connector_create(struct drm_device *dev, int index) 773 { 774 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 775 struct drm_nouveau_private *dev_priv = dev->dev_private; 776 struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio; 777 struct nouveau_connector *nv_connector = NULL; 778 struct dcb_connector_table_entry *dcb = NULL; 779 struct drm_connector *connector; 780 int type, ret = 0; 781 782 NV_DEBUG_KMS(dev, "\n"); 783 784 if (index >= dev_priv->vbios.dcb.connector.entries) 785 return ERR_PTR(-EINVAL); 786 787 dcb = &dev_priv->vbios.dcb.connector.entry[index]; 788 if (dcb->drm) 789 return dcb->drm; 790 791 switch (dcb->type) { 792 case DCB_CONNECTOR_VGA: 793 type = DRM_MODE_CONNECTOR_VGA; 794 break; 795 case DCB_CONNECTOR_TV_0: 796 case DCB_CONNECTOR_TV_1: 797 case DCB_CONNECTOR_TV_3: 798 type = DRM_MODE_CONNECTOR_TV; 799 break; 800 case DCB_CONNECTOR_DVI_I: 801 type = DRM_MODE_CONNECTOR_DVII; 802 break; 803 case DCB_CONNECTOR_DVI_D: 804 type = DRM_MODE_CONNECTOR_DVID; 805 break; 806 case DCB_CONNECTOR_HDMI_0: 807 case DCB_CONNECTOR_HDMI_1: 808 type = DRM_MODE_CONNECTOR_HDMIA; 809 break; 810 case DCB_CONNECTOR_LVDS: 811 case DCB_CONNECTOR_LVDS_SPWG: 812 type = DRM_MODE_CONNECTOR_LVDS; 813 funcs = &nouveau_connector_funcs_lvds; 814 break; 815 case DCB_CONNECTOR_DP: 816 type = DRM_MODE_CONNECTOR_DisplayPort; 817 break; 818 case DCB_CONNECTOR_eDP: 819 type = DRM_MODE_CONNECTOR_eDP; 820 break; 821 default: 822 NV_ERROR(dev, "unknown connector type: 0x%02x!!\n", dcb->type); 823 return ERR_PTR(-EINVAL); 824 } 825 826 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 827 if (!nv_connector) 828 return ERR_PTR(-ENOMEM); 829 nv_connector->dcb = dcb; 830 connector = &nv_connector->base; 831 832 /* defaults, will get overridden in detect() */ 833 connector->interlace_allowed = false; 834 connector->doublescan_allowed = false; 835 836 drm_connector_init(dev, connector, funcs, type); 837 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 838 839 /* Check if we need dithering enabled */ 840 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 841 bool dummy, is_24bit = false; 842 843 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &is_24bit); 844 if (ret) { 845 NV_ERROR(dev, "Error parsing LVDS table, disabling " 846 "LVDS\n"); 847 goto fail; 848 } 849 850 nv_connector->use_dithering = !is_24bit; 851 } 852 853 /* Init DVI-I specific properties */ 854 if (dcb->type == DCB_CONNECTOR_DVI_I) { 855 drm_mode_create_dvi_i_properties(dev); 856 drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0); 857 drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0); 858 } 859 860 switch (dcb->type) { 861 case DCB_CONNECTOR_VGA: 862 if (dev_priv->card_type >= NV_50) { 863 drm_connector_attach_property(connector, 864 dev->mode_config.scaling_mode_property, 865 nv_connector->scaling_mode); 866 } 867 /* fall-through */ 868 case DCB_CONNECTOR_TV_0: 869 case DCB_CONNECTOR_TV_1: 870 case DCB_CONNECTOR_TV_3: 871 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 872 break; 873 default: 874 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 875 876 drm_connector_attach_property(connector, 877 dev->mode_config.scaling_mode_property, 878 nv_connector->scaling_mode); 879 drm_connector_attach_property(connector, 880 dev->mode_config.dithering_mode_property, 881 nv_connector->use_dithering ? 882 DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF); 883 break; 884 } 885 886 if (nv_connector->dcb->gpio_tag != 0xff && pgpio->irq_register) { 887 pgpio->irq_register(dev, nv_connector->dcb->gpio_tag, 888 nouveau_connector_hotplug, connector); 889 890 connector->polled = DRM_CONNECTOR_POLL_HPD; 891 } else { 892 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 893 } 894 895 drm_sysfs_connector_add(connector); 896 897 dcb->drm = connector; 898 return dcb->drm; 899 900 fail: 901 drm_connector_cleanup(connector); 902 kfree(connector); 903 return ERR_PTR(ret); 904 905 } 906 907 static void 908 nouveau_connector_hotplug(void *data, int plugged) 909 { 910 struct drm_connector *connector = data; 911 struct drm_device *dev = connector->dev; 912 913 NV_DEBUG(dev, "%splugged %s\n", plugged ? "" : "un", 914 drm_get_connector_name(connector)); 915 916 if (plugged) 917 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 918 else 919 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 920 921 drm_helper_hpd_irq_event(dev); 922 } 923