1 /* 2 * Copyright (c) 2006-2008 Intel Corporation 3 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> 4 * Copyright (c) 2008 Red Hat Inc. 5 * 6 * DRM core CRTC related functions 7 * 8 * Permission to use, copy, modify, distribute, and sell this software and its 9 * documentation for any purpose is hereby granted without fee, provided that 10 * the above copyright notice appear in all copies and that both that copyright 11 * notice and this permission notice appear in supporting documentation, and 12 * that the name of the copyright holders not be used in advertising or 13 * publicity pertaining to distribution of the software without specific, 14 * written prior permission. The copyright holders make no representations 15 * about the suitability of this software for any purpose. It is provided "as 16 * is" without express or implied warranty. 17 * 18 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 19 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 20 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 21 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 22 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 23 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 24 * OF THIS SOFTWARE. 25 * 26 * Authors: 27 * Keith Packard 28 * Eric Anholt <eric@anholt.net> 29 * Dave Airlie <airlied@linux.ie> 30 * Jesse Barnes <jesse.barnes@intel.com> 31 * 32 * $FreeBSD: src/sys/dev/drm2/drm_crtc.c,v 1.1 2012/05/22 11:07:44 kib Exp $ 33 */ 34 35 #include <drm/drmP.h> 36 #include <drm/drm_crtc.h> 37 #include <drm/drm_edid.h> 38 #include <sys/limits.h> 39 40 /* Avoid boilerplate. I'm tired of typing. */ 41 #define DRM_ENUM_NAME_FN(fnname, list) \ 42 char *fnname(int val) \ 43 { \ 44 int i; \ 45 for (i = 0; i < DRM_ARRAY_SIZE(list); i++) { \ 46 if (list[i].type == val) \ 47 return list[i].name; \ 48 } \ 49 return "(unknown)"; \ 50 } 51 52 /* 53 * Global properties 54 */ 55 static struct drm_prop_enum_list drm_dpms_enum_list[] = 56 { { DRM_MODE_DPMS_ON, "On" }, 57 { DRM_MODE_DPMS_STANDBY, "Standby" }, 58 { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 59 { DRM_MODE_DPMS_OFF, "Off" } 60 }; 61 62 DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 63 64 /* 65 * Optional properties 66 */ 67 static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = 68 { 69 { DRM_MODE_SCALE_NONE, "None" }, 70 { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 71 { DRM_MODE_SCALE_CENTER, "Center" }, 72 { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 73 }; 74 75 static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = 76 { 77 { DRM_MODE_DITHERING_OFF, "Off" }, 78 { DRM_MODE_DITHERING_ON, "On" }, 79 { DRM_MODE_DITHERING_AUTO, "Automatic" }, 80 }; 81 82 /* 83 * Non-global properties, but "required" for certain connectors. 84 */ 85 static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = 86 { 87 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 88 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 89 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 90 }; 91 92 DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 93 94 static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = 95 { 96 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 97 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 98 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 99 }; 100 101 DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 102 drm_dvi_i_subconnector_enum_list) 103 104 static struct drm_prop_enum_list drm_tv_select_enum_list[] = 105 { 106 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 107 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 108 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 109 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 110 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 111 }; 112 113 DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 114 115 static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 116 { 117 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 118 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 119 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 120 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 121 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 122 }; 123 124 DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 125 drm_tv_subconnector_enum_list) 126 127 static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 128 { DRM_MODE_DIRTY_OFF, "Off" }, 129 { DRM_MODE_DIRTY_ON, "On" }, 130 { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 131 }; 132 133 DRM_ENUM_NAME_FN(drm_get_dirty_info_name, 134 drm_dirty_info_enum_list) 135 136 struct drm_conn_prop_enum_list { 137 int type; 138 char *name; 139 int count; 140 }; 141 142 /* 143 * Connector and encoder types. 144 */ 145 static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 146 { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, 147 { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, 148 { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, 149 { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, 150 { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, 151 { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, 152 { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, 153 { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, 154 { DRM_MODE_CONNECTOR_Component, "Component", 0 }, 155 { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, 156 { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, 157 { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, 158 { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, 159 { DRM_MODE_CONNECTOR_TV, "TV", 0 }, 160 { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, 161 }; 162 163 static struct drm_prop_enum_list drm_encoder_enum_list[] = 164 { { DRM_MODE_ENCODER_NONE, "None" }, 165 { DRM_MODE_ENCODER_DAC, "DAC" }, 166 { DRM_MODE_ENCODER_TMDS, "TMDS" }, 167 { DRM_MODE_ENCODER_LVDS, "LVDS" }, 168 { DRM_MODE_ENCODER_TVDAC, "TV" }, 169 }; 170 171 static void drm_property_destroy_blob(struct drm_device *dev, 172 struct drm_property_blob *blob); 173 174 char *drm_get_encoder_name(struct drm_encoder *encoder) 175 { 176 static char buf[32]; 177 178 ksnprintf(buf, 32, "%s-%d", 179 drm_encoder_enum_list[encoder->encoder_type].name, 180 encoder->base.id); 181 return buf; 182 } 183 184 char *drm_get_connector_name(struct drm_connector *connector) 185 { 186 static char buf[32]; 187 188 ksnprintf(buf, 32, "%s-%d", 189 drm_connector_enum_list[connector->connector_type].name, 190 connector->connector_type_id); 191 return buf; 192 } 193 194 char *drm_get_connector_status_name(enum drm_connector_status status) 195 { 196 if (status == connector_status_connected) 197 return "connected"; 198 else if (status == connector_status_disconnected) 199 return "disconnected"; 200 else 201 return "unknown"; 202 } 203 204 /** 205 * drm_mode_object_get - allocate a new identifier 206 * @dev: DRM device 207 * @ptr: object pointer, used to generate unique ID 208 * @type: object type 209 * 210 * LOCKING: 211 * 212 * Create a unique identifier based on @ptr in @dev's identifier space. Used 213 * for tracking modes, CRTCs and connectors. 214 * 215 * RETURNS: 216 * New unique (relative to other objects in @dev) integer identifier for the 217 * object. 218 */ 219 static int drm_mode_object_get(struct drm_device *dev, 220 struct drm_mode_object *obj, uint32_t obj_type) 221 { 222 int new_id = 0; 223 int ret; 224 225 again: 226 if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { 227 DRM_ERROR("Ran out memory getting a mode number\n"); 228 return -ENOMEM; 229 } 230 231 spin_lock(&dev->mode_config.idr_mutex); 232 ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); 233 spin_unlock(&dev->mode_config.idr_mutex); 234 if (ret == -EAGAIN) 235 goto again; 236 else if (ret) 237 return ret; 238 239 obj->id = new_id; 240 obj->type = obj_type; 241 return 0; 242 } 243 244 /** 245 * drm_mode_object_put - free an identifer 246 * @dev: DRM device 247 * @id: ID to free 248 * 249 * LOCKING: 250 * Caller must hold DRM mode_config lock. 251 * 252 * Free @id from @dev's unique identifier pool. 253 */ 254 static void drm_mode_object_put(struct drm_device *dev, 255 struct drm_mode_object *object) 256 { 257 spin_lock(&dev->mode_config.idr_mutex); 258 idr_remove(&dev->mode_config.crtc_idr, object->id); 259 spin_unlock(&dev->mode_config.idr_mutex); 260 } 261 262 struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 263 uint32_t id, uint32_t type) 264 { 265 struct drm_mode_object *obj = NULL; 266 267 spin_lock(&dev->mode_config.idr_mutex); 268 obj = idr_find(&dev->mode_config.crtc_idr, id); 269 if (!obj || (obj->type != type) || (obj->id != id)) 270 obj = NULL; 271 spin_unlock(&dev->mode_config.idr_mutex); 272 273 return obj; 274 } 275 276 /** 277 * drm_framebuffer_init - initialize a framebuffer 278 * @dev: DRM device 279 * 280 * LOCKING: 281 * Caller must hold mode config lock. 282 * 283 * Allocates an ID for the framebuffer's parent mode object, sets its mode 284 * functions & device file and adds it to the master fd list. 285 * 286 * RETURNS: 287 * Zero on success, error code on failure. 288 */ 289 int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 290 const struct drm_framebuffer_funcs *funcs) 291 { 292 int ret; 293 294 DRM_MODE_CONFIG_ASSERT_LOCKED(dev); 295 296 ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 297 if (ret) 298 return ret; 299 300 fb->dev = dev; 301 fb->funcs = funcs; 302 dev->mode_config.num_fb++; 303 list_add(&fb->head, &dev->mode_config.fb_list); 304 305 return 0; 306 } 307 308 /** 309 * drm_framebuffer_cleanup - remove a framebuffer object 310 * @fb: framebuffer to remove 311 * 312 * LOCKING: 313 * Caller must hold mode config lock. 314 * 315 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes 316 * it, setting it to NULL. 317 */ 318 void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 319 { 320 struct drm_device *dev = fb->dev; 321 struct drm_crtc *crtc; 322 struct drm_plane *plane; 323 struct drm_mode_set set; 324 int ret; 325 326 DRM_MODE_CONFIG_ASSERT_LOCKED(dev); 327 328 /* remove from any CRTC */ 329 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 330 if (crtc->fb == fb) { 331 /* should turn off the crtc */ 332 memset(&set, 0, sizeof(struct drm_mode_set)); 333 set.crtc = crtc; 334 set.fb = NULL; 335 ret = crtc->funcs->set_config(&set); 336 if (ret) 337 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 338 } 339 } 340 341 list_for_each_entry(plane, &dev->mode_config.plane_list, head) { 342 if (plane->fb == fb) { 343 /* should turn off the crtc */ 344 ret = plane->funcs->disable_plane(plane); 345 if (ret) 346 DRM_ERROR("failed to disable plane with busy fb\n"); 347 /* disconnect the plane from the fb and crtc: */ 348 plane->fb = NULL; 349 plane->crtc = NULL; 350 } 351 } 352 353 drm_mode_object_put(dev, &fb->base); 354 list_del(&fb->head); 355 dev->mode_config.num_fb--; 356 } 357 358 /** 359 * drm_crtc_init - Initialise a new CRTC object 360 * @dev: DRM device 361 * @crtc: CRTC object to init 362 * @funcs: callbacks for the new CRTC 363 * 364 * LOCKING: 365 * Caller must hold mode config lock. 366 * 367 * Inits a new object created as base part of an driver crtc object. 368 * 369 * RETURNS: 370 * Zero on success, error code on failure. 371 */ 372 int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 373 const struct drm_crtc_funcs *funcs) 374 { 375 int ret; 376 377 crtc->dev = dev; 378 crtc->funcs = funcs; 379 380 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 381 ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 382 if (ret) 383 goto out; 384 385 list_add_tail(&crtc->head, &dev->mode_config.crtc_list); 386 dev->mode_config.num_crtc++; 387 out: 388 lockmgr(&dev->mode_config.lock, LK_RELEASE); 389 390 return ret; 391 } 392 393 /** 394 * drm_crtc_cleanup - Cleans up the core crtc usage. 395 * @crtc: CRTC to cleanup 396 * 397 * LOCKING: 398 * Caller must hold mode config lock. 399 * 400 * Cleanup @crtc. Removes from drm modesetting space 401 * does NOT free object, caller does that. 402 */ 403 void drm_crtc_cleanup(struct drm_crtc *crtc) 404 { 405 struct drm_device *dev = crtc->dev; 406 407 DRM_MODE_CONFIG_ASSERT_LOCKED(dev); 408 409 if (crtc->gamma_store) { 410 drm_free(crtc->gamma_store, DRM_MEM_KMS); 411 crtc->gamma_store = NULL; 412 } 413 414 drm_mode_object_put(dev, &crtc->base); 415 list_del(&crtc->head); 416 dev->mode_config.num_crtc--; 417 } 418 419 /** 420 * drm_mode_probed_add - add a mode to a connector's probed mode list 421 * @connector: connector the new mode 422 * @mode: mode data 423 * 424 * LOCKING: 425 * Caller must hold mode config lock. 426 * 427 * Add @mode to @connector's mode list for later use. 428 */ 429 void drm_mode_probed_add(struct drm_connector *connector, 430 struct drm_display_mode *mode) 431 { 432 433 DRM_MODE_CONFIG_ASSERT_LOCKED(connector->dev); 434 435 list_add(&mode->head, &connector->probed_modes); 436 } 437 438 /** 439 * drm_mode_remove - remove and free a mode 440 * @connector: connector list to modify 441 * @mode: mode to remove 442 * 443 * LOCKING: 444 * Caller must hold mode config lock. 445 * 446 * Remove @mode from @connector's mode list, then free it. 447 */ 448 void drm_mode_remove(struct drm_connector *connector, 449 struct drm_display_mode *mode) 450 { 451 452 DRM_MODE_CONFIG_ASSERT_LOCKED(connector->dev); 453 454 list_del(&mode->head); 455 drm_mode_destroy(connector->dev, mode); 456 } 457 458 /** 459 * drm_connector_init - Init a preallocated connector 460 * @dev: DRM device 461 * @connector: the connector to init 462 * @funcs: callbacks for this connector 463 * @name: user visible name of the connector 464 * 465 * LOCKING: 466 * Takes mode config lock. 467 * 468 * Initialises a preallocated connector. Connectors should be 469 * subclassed as part of driver connector objects. 470 * 471 * RETURNS: 472 * Zero on success, error code on failure. 473 */ 474 int drm_connector_init(struct drm_device *dev, 475 struct drm_connector *connector, 476 const struct drm_connector_funcs *funcs, 477 int connector_type) 478 { 479 int ret; 480 481 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 482 483 ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); 484 if (ret) 485 goto out; 486 487 connector->dev = dev; 488 connector->funcs = funcs; 489 connector->connector_type = connector_type; 490 connector->connector_type_id = 491 ++drm_connector_enum_list[connector_type].count; /* TODO */ 492 INIT_LIST_HEAD(&connector->user_modes); 493 INIT_LIST_HEAD(&connector->probed_modes); 494 INIT_LIST_HEAD(&connector->modes); 495 connector->edid_blob_ptr = NULL; 496 497 list_add_tail(&connector->head, &dev->mode_config.connector_list); 498 dev->mode_config.num_connector++; 499 500 drm_connector_attach_property(connector, 501 dev->mode_config.edid_property, 0); 502 503 drm_connector_attach_property(connector, 504 dev->mode_config.dpms_property, 0); 505 506 out: 507 lockmgr(&dev->mode_config.lock, LK_RELEASE); 508 509 return ret; 510 } 511 512 /** 513 * drm_connector_cleanup - cleans up an initialised connector 514 * @connector: connector to cleanup 515 * 516 * LOCKING: 517 * Takes mode config lock. 518 * 519 * Cleans up the connector but doesn't free the object. 520 */ 521 void drm_connector_cleanup(struct drm_connector *connector) 522 { 523 struct drm_device *dev = connector->dev; 524 struct drm_display_mode *mode, *t; 525 526 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 527 drm_mode_remove(connector, mode); 528 529 list_for_each_entry_safe(mode, t, &connector->modes, head) 530 drm_mode_remove(connector, mode); 531 532 list_for_each_entry_safe(mode, t, &connector->user_modes, head) 533 drm_mode_remove(connector, mode); 534 535 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 536 if (connector->edid_blob_ptr) 537 drm_property_destroy_blob(dev, connector->edid_blob_ptr); 538 drm_mode_object_put(dev, &connector->base); 539 list_del(&connector->head); 540 dev->mode_config.num_connector--; 541 lockmgr(&dev->mode_config.lock, LK_RELEASE); 542 } 543 544 int drm_encoder_init(struct drm_device *dev, 545 struct drm_encoder *encoder, 546 const struct drm_encoder_funcs *funcs, 547 int encoder_type) 548 { 549 int ret; 550 551 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 552 553 ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 554 if (ret) 555 goto out; 556 557 encoder->dev = dev; 558 encoder->encoder_type = encoder_type; 559 encoder->funcs = funcs; 560 561 list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 562 dev->mode_config.num_encoder++; 563 564 out: 565 lockmgr(&dev->mode_config.lock, LK_RELEASE); 566 567 return ret; 568 } 569 570 void drm_encoder_cleanup(struct drm_encoder *encoder) 571 { 572 struct drm_device *dev = encoder->dev; 573 574 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 575 drm_mode_object_put(dev, &encoder->base); 576 list_del(&encoder->head); 577 dev->mode_config.num_encoder--; 578 lockmgr(&dev->mode_config.lock, LK_RELEASE); 579 } 580 581 int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 582 unsigned long possible_crtcs, 583 const struct drm_plane_funcs *funcs, 584 const uint32_t *formats, uint32_t format_count, 585 bool priv) 586 { 587 int ret; 588 589 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 590 591 ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 592 if (ret) 593 goto out; 594 595 plane->dev = dev; 596 plane->funcs = funcs; 597 plane->format_types = kmalloc(sizeof(uint32_t) * format_count, 598 DRM_MEM_KMS, M_WAITOK); 599 600 memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 601 plane->format_count = format_count; 602 plane->possible_crtcs = possible_crtcs; 603 604 /* private planes are not exposed to userspace, but depending on 605 * display hardware, might be convenient to allow sharing programming 606 * for the scanout engine with the crtc implementation. 607 */ 608 if (!priv) { 609 list_add_tail(&plane->head, &dev->mode_config.plane_list); 610 dev->mode_config.num_plane++; 611 } else { 612 INIT_LIST_HEAD(&plane->head); 613 } 614 615 out: 616 lockmgr(&dev->mode_config.lock, LK_RELEASE); 617 618 return ret; 619 } 620 621 void drm_plane_cleanup(struct drm_plane *plane) 622 { 623 struct drm_device *dev = plane->dev; 624 625 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 626 drm_free(plane->format_types, DRM_MEM_KMS); 627 drm_mode_object_put(dev, &plane->base); 628 /* if not added to a list, it must be a private plane */ 629 if (!list_empty(&plane->head)) { 630 list_del(&plane->head); 631 dev->mode_config.num_plane--; 632 } 633 lockmgr(&dev->mode_config.lock, LK_RELEASE); 634 } 635 636 /** 637 * drm_mode_create - create a new display mode 638 * @dev: DRM device 639 * 640 * LOCKING: 641 * Caller must hold DRM mode_config lock. 642 * 643 * Create a new drm_display_mode, give it an ID, and return it. 644 * 645 * RETURNS: 646 * Pointer to new mode on success, NULL on error. 647 */ 648 struct drm_display_mode *drm_mode_create(struct drm_device *dev) 649 { 650 struct drm_display_mode *nmode; 651 652 nmode = kmalloc(sizeof(struct drm_display_mode), DRM_MEM_KMS, 653 M_WAITOK | M_ZERO); 654 655 if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { 656 drm_free(nmode, DRM_MEM_KMS); 657 return (NULL); 658 } 659 return nmode; 660 } 661 662 /** 663 * drm_mode_destroy - remove a mode 664 * @dev: DRM device 665 * @mode: mode to remove 666 * 667 * LOCKING: 668 * Caller must hold mode config lock. 669 * 670 * Free @mode's unique identifier, then free it. 671 */ 672 void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) 673 { 674 if (!mode) 675 return; 676 677 drm_mode_object_put(dev, &mode->base); 678 679 drm_free(mode, DRM_MEM_KMS); 680 } 681 682 static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 683 { 684 struct drm_property *edid; 685 struct drm_property *dpms; 686 687 /* 688 * Standard properties (apply to all connectors) 689 */ 690 edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 691 DRM_MODE_PROP_IMMUTABLE, 692 "EDID", 0); 693 dev->mode_config.edid_property = edid; 694 695 dpms = drm_property_create_enum(dev, 0, 696 "DPMS", drm_dpms_enum_list, 697 DRM_ARRAY_SIZE(drm_dpms_enum_list)); 698 dev->mode_config.dpms_property = dpms; 699 700 return 0; 701 } 702 703 /** 704 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 705 * @dev: DRM device 706 * 707 * Called by a driver the first time a DVI-I connector is made. 708 */ 709 int drm_mode_create_dvi_i_properties(struct drm_device *dev) 710 { 711 struct drm_property *dvi_i_selector; 712 struct drm_property *dvi_i_subconnector; 713 714 if (dev->mode_config.dvi_i_select_subconnector_property) 715 return 0; 716 717 dvi_i_selector = 718 drm_property_create_enum(dev, 0, 719 "select subconnector", 720 drm_dvi_i_select_enum_list, 721 DRM_ARRAY_SIZE(drm_dvi_i_select_enum_list)); 722 dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 723 724 dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 725 "subconnector", 726 drm_dvi_i_subconnector_enum_list, 727 DRM_ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 728 dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 729 730 return 0; 731 } 732 733 /** 734 * drm_create_tv_properties - create TV specific connector properties 735 * @dev: DRM device 736 * @num_modes: number of different TV formats (modes) supported 737 * @modes: array of pointers to strings containing name of each format 738 * 739 * Called by a driver's TV initialization routine, this function creates 740 * the TV specific connector properties for a given device. Caller is 741 * responsible for allocating a list of format names and passing them to 742 * this routine. 743 */ 744 int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 745 char *modes[]) 746 { 747 struct drm_property *tv_selector; 748 struct drm_property *tv_subconnector; 749 int i; 750 751 if (dev->mode_config.tv_select_subconnector_property) 752 return 0; 753 754 /* 755 * Basic connector properties 756 */ 757 tv_selector = drm_property_create_enum(dev, 0, 758 "select subconnector", 759 drm_tv_select_enum_list, 760 DRM_ARRAY_SIZE(drm_tv_select_enum_list)); 761 dev->mode_config.tv_select_subconnector_property = tv_selector; 762 763 tv_subconnector = 764 drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 765 "subconnector", 766 drm_tv_subconnector_enum_list, 767 DRM_ARRAY_SIZE(drm_tv_subconnector_enum_list)); 768 dev->mode_config.tv_subconnector_property = tv_subconnector; 769 770 /* 771 * Other, TV specific properties: margins & TV modes. 772 */ 773 dev->mode_config.tv_left_margin_property = 774 drm_property_create_range(dev, 0, "left margin", 0, 100); 775 776 dev->mode_config.tv_right_margin_property = 777 drm_property_create_range(dev, 0, "right margin", 0, 100); 778 779 dev->mode_config.tv_top_margin_property = 780 drm_property_create_range(dev, 0, "top margin", 0, 100); 781 782 dev->mode_config.tv_bottom_margin_property = 783 drm_property_create_range(dev, 0, "bottom margin", 0, 100); 784 785 dev->mode_config.tv_mode_property = 786 drm_property_create(dev, DRM_MODE_PROP_ENUM, 787 "mode", num_modes); 788 for (i = 0; i < num_modes; i++) 789 drm_property_add_enum(dev->mode_config.tv_mode_property, i, 790 i, modes[i]); 791 792 dev->mode_config.tv_brightness_property = 793 drm_property_create_range(dev, 0, "brightness", 0, 100); 794 795 dev->mode_config.tv_contrast_property = 796 drm_property_create_range(dev, 0, "contrast", 0, 100); 797 798 dev->mode_config.tv_flicker_reduction_property = 799 drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 800 801 dev->mode_config.tv_overscan_property = 802 drm_property_create_range(dev, 0, "overscan", 0, 100); 803 804 dev->mode_config.tv_saturation_property = 805 drm_property_create_range(dev, 0, "saturation", 0, 100); 806 807 dev->mode_config.tv_hue_property = 808 drm_property_create_range(dev, 0, "hue", 0, 100); 809 810 return 0; 811 } 812 813 /** 814 * drm_mode_create_scaling_mode_property - create scaling mode property 815 * @dev: DRM device 816 * 817 * Called by a driver the first time it's needed, must be attached to desired 818 * connectors. 819 */ 820 int drm_mode_create_scaling_mode_property(struct drm_device *dev) 821 { 822 struct drm_property *scaling_mode; 823 824 if (dev->mode_config.scaling_mode_property) 825 return 0; 826 827 scaling_mode = 828 drm_property_create_enum(dev, 0, "scaling mode", 829 drm_scaling_mode_enum_list, 830 DRM_ARRAY_SIZE(drm_scaling_mode_enum_list)); 831 832 dev->mode_config.scaling_mode_property = scaling_mode; 833 834 return 0; 835 } 836 837 /** 838 * drm_mode_create_dithering_property - create dithering property 839 * @dev: DRM device 840 * 841 * Called by a driver the first time it's needed, must be attached to desired 842 * connectors. 843 */ 844 int drm_mode_create_dithering_property(struct drm_device *dev) 845 { 846 struct drm_property *dithering_mode; 847 848 if (dev->mode_config.dithering_mode_property) 849 return 0; 850 851 dithering_mode = 852 drm_property_create_enum(dev, 0, "dithering", 853 drm_dithering_mode_enum_list, 854 DRM_ARRAY_SIZE(drm_dithering_mode_enum_list)); 855 dev->mode_config.dithering_mode_property = dithering_mode; 856 857 return 0; 858 } 859 860 /** 861 * drm_mode_create_dirty_property - create dirty property 862 * @dev: DRM device 863 * 864 * Called by a driver the first time it's needed, must be attached to desired 865 * connectors. 866 */ 867 int drm_mode_create_dirty_info_property(struct drm_device *dev) 868 { 869 struct drm_property *dirty_info; 870 871 if (dev->mode_config.dirty_info_property) 872 return 0; 873 874 dirty_info = 875 drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 876 "dirty", 877 drm_dirty_info_enum_list, 878 DRM_ARRAY_SIZE(drm_dirty_info_enum_list)); 879 dev->mode_config.dirty_info_property = dirty_info; 880 881 return 0; 882 } 883 884 /** 885 * drm_mode_config_init - initialize DRM mode_configuration structure 886 * @dev: DRM device 887 * 888 * LOCKING: 889 * None, should happen single threaded at init time. 890 * 891 * Initialize @dev's mode_config structure, used for tracking the graphics 892 * configuration of @dev. 893 */ 894 void drm_mode_config_init(struct drm_device *dev) 895 { 896 lockinit(&dev->mode_config.lock, "kmslk", 0, LK_CANRECURSE); 897 spin_init(&dev->mode_config.idr_mutex); 898 INIT_LIST_HEAD(&dev->mode_config.fb_list); 899 INIT_LIST_HEAD(&dev->mode_config.crtc_list); 900 INIT_LIST_HEAD(&dev->mode_config.connector_list); 901 INIT_LIST_HEAD(&dev->mode_config.encoder_list); 902 INIT_LIST_HEAD(&dev->mode_config.property_list); 903 INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 904 INIT_LIST_HEAD(&dev->mode_config.plane_list); 905 idr_init(&dev->mode_config.crtc_idr); 906 907 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 908 drm_mode_create_standard_connector_properties(dev); 909 lockmgr(&dev->mode_config.lock, LK_RELEASE); 910 911 /* Just to be sure */ 912 dev->mode_config.num_fb = 0; 913 dev->mode_config.num_connector = 0; 914 dev->mode_config.num_crtc = 0; 915 dev->mode_config.num_encoder = 0; 916 } 917 918 static int 919 drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 920 { 921 uint32_t total_objects = 0; 922 923 total_objects += dev->mode_config.num_crtc; 924 total_objects += dev->mode_config.num_connector; 925 total_objects += dev->mode_config.num_encoder; 926 927 group->id_list = kmalloc(total_objects * sizeof(uint32_t), 928 DRM_MEM_KMS, M_WAITOK | M_ZERO); 929 930 group->num_crtcs = 0; 931 group->num_connectors = 0; 932 group->num_encoders = 0; 933 return 0; 934 } 935 936 int drm_mode_group_init_legacy_group(struct drm_device *dev, 937 struct drm_mode_group *group) 938 { 939 struct drm_crtc *crtc; 940 struct drm_encoder *encoder; 941 struct drm_connector *connector; 942 int ret; 943 944 if ((ret = drm_mode_group_init(dev, group))) 945 return ret; 946 947 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 948 group->id_list[group->num_crtcs++] = crtc->base.id; 949 950 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 951 group->id_list[group->num_crtcs + group->num_encoders++] = 952 encoder->base.id; 953 954 list_for_each_entry(connector, &dev->mode_config.connector_list, head) 955 group->id_list[group->num_crtcs + group->num_encoders + 956 group->num_connectors++] = connector->base.id; 957 958 return 0; 959 } 960 961 /** 962 * drm_mode_config_cleanup - free up DRM mode_config info 963 * @dev: DRM device 964 * 965 * LOCKING: 966 * Caller must hold mode config lock. 967 * 968 * Free up all the connectors and CRTCs associated with this DRM device, then 969 * free up the framebuffers and associated buffer objects. 970 * 971 * FIXME: cleanup any dangling user buffer objects too 972 */ 973 void drm_mode_config_cleanup(struct drm_device *dev) 974 { 975 struct drm_connector *connector, *ot; 976 struct drm_crtc *crtc, *ct; 977 struct drm_encoder *encoder, *enct; 978 struct drm_framebuffer *fb, *fbt; 979 struct drm_property *property, *pt; 980 struct drm_plane *plane, *plt; 981 982 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 983 head) { 984 encoder->funcs->destroy(encoder); 985 } 986 987 list_for_each_entry_safe(connector, ot, 988 &dev->mode_config.connector_list, head) { 989 connector->funcs->destroy(connector); 990 } 991 992 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 993 head) { 994 drm_property_destroy(dev, property); 995 } 996 997 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 998 fb->funcs->destroy(fb); 999 } 1000 1001 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 1002 crtc->funcs->destroy(crtc); 1003 } 1004 1005 list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 1006 head) { 1007 plane->funcs->destroy(plane); 1008 } 1009 1010 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 1011 crtc->funcs->destroy(crtc); 1012 } 1013 1014 idr_remove_all(&dev->mode_config.crtc_idr); 1015 idr_destroy(&dev->mode_config.crtc_idr); 1016 } 1017 1018 /** 1019 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1020 * @out: drm_mode_modeinfo struct to return to the user 1021 * @in: drm_display_mode to use 1022 * 1023 * LOCKING: 1024 * None. 1025 * 1026 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1027 * the user. 1028 */ 1029 static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 1030 const struct drm_display_mode *in) 1031 { 1032 if (in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1033 in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1034 in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1035 in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1036 in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX) 1037 kprintf("timing values too large for mode info\n"); 1038 1039 out->clock = in->clock; 1040 out->hdisplay = in->hdisplay; 1041 out->hsync_start = in->hsync_start; 1042 out->hsync_end = in->hsync_end; 1043 out->htotal = in->htotal; 1044 out->hskew = in->hskew; 1045 out->vdisplay = in->vdisplay; 1046 out->vsync_start = in->vsync_start; 1047 out->vsync_end = in->vsync_end; 1048 out->vtotal = in->vtotal; 1049 out->vscan = in->vscan; 1050 out->vrefresh = in->vrefresh; 1051 out->flags = in->flags; 1052 out->type = in->type; 1053 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1054 out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1055 } 1056 1057 /** 1058 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode 1059 * @out: drm_display_mode to return to the user 1060 * @in: drm_mode_modeinfo to use 1061 * 1062 * LOCKING: 1063 * None. 1064 * 1065 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1066 * the caller. 1067 * 1068 * RETURNS: 1069 * Zero on success, errno on failure. 1070 */ 1071 static int drm_crtc_convert_umode(struct drm_display_mode *out, 1072 const struct drm_mode_modeinfo *in) 1073 { 1074 if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 1075 return ERANGE; 1076 1077 out->clock = in->clock; 1078 out->hdisplay = in->hdisplay; 1079 out->hsync_start = in->hsync_start; 1080 out->hsync_end = in->hsync_end; 1081 out->htotal = in->htotal; 1082 out->hskew = in->hskew; 1083 out->vdisplay = in->vdisplay; 1084 out->vsync_start = in->vsync_start; 1085 out->vsync_end = in->vsync_end; 1086 out->vtotal = in->vtotal; 1087 out->vscan = in->vscan; 1088 out->vrefresh = in->vrefresh; 1089 out->flags = in->flags; 1090 out->type = in->type; 1091 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1092 out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1093 1094 return 0; 1095 } 1096 1097 /** 1098 * drm_mode_getresources - get graphics configuration 1099 * @inode: inode from the ioctl 1100 * @filp: file * from the ioctl 1101 * @cmd: cmd from ioctl 1102 * @arg: arg from ioctl 1103 * 1104 * LOCKING: 1105 * Takes mode config lock. 1106 * 1107 * Construct a set of configuration description structures and return 1108 * them to the user, including CRTC, connector and framebuffer configuration. 1109 * 1110 * Called by the user via ioctl. 1111 * 1112 * RETURNS: 1113 * Zero on success, errno on failure. 1114 */ 1115 int drm_mode_getresources(struct drm_device *dev, void *data, 1116 struct drm_file *file_priv) 1117 { 1118 struct drm_mode_card_res *card_res = data; 1119 struct list_head *lh; 1120 struct drm_framebuffer *fb; 1121 struct drm_connector *connector; 1122 struct drm_crtc *crtc; 1123 struct drm_encoder *encoder; 1124 int ret = 0; 1125 int connector_count = 0; 1126 int crtc_count = 0; 1127 int fb_count = 0; 1128 int encoder_count = 0; 1129 int copied = 0, i; 1130 uint32_t __user *fb_id; 1131 uint32_t __user *crtc_id; 1132 uint32_t __user *connector_id; 1133 uint32_t __user *encoder_id; 1134 struct drm_mode_group *mode_group; 1135 1136 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1137 return (EINVAL); 1138 1139 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 1140 1141 /* 1142 * For the non-control nodes we need to limit the list of resources 1143 * by IDs in the group list for this node 1144 */ 1145 list_for_each(lh, &file_priv->fbs) 1146 fb_count++; 1147 1148 #if 1 1149 mode_group = NULL; /* XXXKIB */ 1150 if (1 || file_priv->master) { 1151 #else 1152 mode_group = &file_priv->masterp->minor->mode_group; 1153 if (file_priv->masterp->minor->type == DRM_MINOR_CONTROL) { 1154 #endif 1155 1156 list_for_each(lh, &dev->mode_config.crtc_list) 1157 crtc_count++; 1158 1159 list_for_each(lh, &dev->mode_config.connector_list) 1160 connector_count++; 1161 1162 list_for_each(lh, &dev->mode_config.encoder_list) 1163 encoder_count++; 1164 } else { 1165 1166 crtc_count = mode_group->num_crtcs; 1167 connector_count = mode_group->num_connectors; 1168 encoder_count = mode_group->num_encoders; 1169 } 1170 1171 card_res->max_height = dev->mode_config.max_height; 1172 card_res->min_height = dev->mode_config.min_height; 1173 card_res->max_width = dev->mode_config.max_width; 1174 card_res->min_width = dev->mode_config.min_width; 1175 1176 /* handle this in 4 parts */ 1177 /* FBs */ 1178 if (card_res->count_fbs >= fb_count) { 1179 copied = 0; 1180 fb_id = (uint32_t *)(uintptr_t)card_res->fb_id_ptr; 1181 list_for_each_entry(fb, &file_priv->fbs, filp_head) { 1182 if (copyout(&fb->base.id, fb_id + copied, 1183 sizeof(uint32_t))) { 1184 ret = EFAULT; 1185 goto out; 1186 } 1187 copied++; 1188 } 1189 } 1190 card_res->count_fbs = fb_count; 1191 1192 /* CRTCs */ 1193 if (card_res->count_crtcs >= crtc_count) { 1194 copied = 0; 1195 crtc_id = (uint32_t *)(uintptr_t)card_res->crtc_id_ptr; 1196 #if 1 1197 if (1 || file_priv->master) { 1198 #else 1199 if (file_priv->masterp->minor->type == DRM_MINOR_CONTROL) { 1200 #endif 1201 list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1202 head) { 1203 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1204 if (copyout(&crtc->base.id, crtc_id + 1205 copied, sizeof(uint32_t))) { 1206 ret = EFAULT; 1207 goto out; 1208 } 1209 copied++; 1210 } 1211 } else { 1212 for (i = 0; i < mode_group->num_crtcs; i++) { 1213 if (copyout(&mode_group->id_list[i], 1214 crtc_id + copied, sizeof(uint32_t))) { 1215 ret = EFAULT; 1216 goto out; 1217 } 1218 copied++; 1219 } 1220 } 1221 } 1222 card_res->count_crtcs = crtc_count; 1223 1224 /* Encoders */ 1225 if (card_res->count_encoders >= encoder_count) { 1226 copied = 0; 1227 encoder_id = (uint32_t *)(uintptr_t)card_res->encoder_id_ptr; 1228 #if 1 1229 if (file_priv->master) { 1230 #else 1231 if (file_priv->masterp->minor->type == DRM_MINOR_CONTROL) { 1232 #endif 1233 list_for_each_entry(encoder, 1234 &dev->mode_config.encoder_list, 1235 head) { 1236 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 1237 drm_get_encoder_name(encoder)); 1238 if (copyout(&encoder->base.id, encoder_id + 1239 copied, sizeof(uint32_t))) { 1240 ret = EFAULT; 1241 goto out; 1242 } 1243 copied++; 1244 } 1245 } else { 1246 for (i = mode_group->num_crtcs; 1247 i < mode_group->num_crtcs + mode_group->num_encoders; 1248 i++) { 1249 if (copyout(&mode_group->id_list[i], 1250 encoder_id + copied, sizeof(uint32_t))) { 1251 ret = EFAULT; 1252 goto out; 1253 } 1254 copied++; 1255 } 1256 1257 } 1258 } 1259 card_res->count_encoders = encoder_count; 1260 1261 /* Connectors */ 1262 if (card_res->count_connectors >= connector_count) { 1263 copied = 0; 1264 connector_id = (uint32_t *)(uintptr_t)card_res->connector_id_ptr; 1265 #if 1 1266 if (file_priv->master) { 1267 #else 1268 if (file_priv->masterp->minor->type == DRM_MINOR_CONTROL) { 1269 #endif 1270 list_for_each_entry(connector, 1271 &dev->mode_config.connector_list, 1272 head) { 1273 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 1274 connector->base.id, 1275 drm_get_connector_name(connector)); 1276 if (copyout(&connector->base.id, 1277 connector_id + copied, sizeof(uint32_t))) { 1278 ret = EFAULT; 1279 goto out; 1280 } 1281 copied++; 1282 } 1283 } else { 1284 int start = mode_group->num_crtcs + 1285 mode_group->num_encoders; 1286 for (i = start; i < start + mode_group->num_connectors; i++) { 1287 if (copyout(&mode_group->id_list[i], 1288 connector_id + copied, sizeof(uint32_t))) { 1289 ret = EFAULT; 1290 goto out; 1291 } 1292 copied++; 1293 } 1294 } 1295 } 1296 card_res->count_connectors = connector_count; 1297 1298 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1299 card_res->count_connectors, card_res->count_encoders); 1300 1301 out: 1302 lockmgr(&dev->mode_config.lock, LK_RELEASE); 1303 return ret; 1304 } 1305 1306 /** 1307 * drm_mode_getcrtc - get CRTC configuration 1308 * @inode: inode from the ioctl 1309 * @filp: file * from the ioctl 1310 * @cmd: cmd from ioctl 1311 * @arg: arg from ioctl 1312 * 1313 * LOCKING: 1314 * Takes mode config lock. 1315 * 1316 * Construct a CRTC configuration structure to return to the user. 1317 * 1318 * Called by the user via ioctl. 1319 * 1320 * RETURNS: 1321 * Zero on success, errno on failure. 1322 */ 1323 int drm_mode_getcrtc(struct drm_device *dev, 1324 void *data, struct drm_file *file_priv) 1325 { 1326 struct drm_mode_crtc *crtc_resp = data; 1327 struct drm_crtc *crtc; 1328 struct drm_mode_object *obj; 1329 int ret = 0; 1330 1331 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1332 return (EINVAL); 1333 1334 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 1335 1336 obj = drm_mode_object_find(dev, crtc_resp->crtc_id, 1337 DRM_MODE_OBJECT_CRTC); 1338 if (!obj) { 1339 ret = (EINVAL); 1340 goto out; 1341 } 1342 crtc = obj_to_crtc(obj); 1343 1344 crtc_resp->x = crtc->x; 1345 crtc_resp->y = crtc->y; 1346 crtc_resp->gamma_size = crtc->gamma_size; 1347 if (crtc->fb) 1348 crtc_resp->fb_id = crtc->fb->base.id; 1349 else 1350 crtc_resp->fb_id = 0; 1351 1352 if (crtc->enabled) { 1353 1354 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1355 crtc_resp->mode_valid = 1; 1356 1357 } else { 1358 crtc_resp->mode_valid = 0; 1359 } 1360 1361 out: 1362 lockmgr(&dev->mode_config.lock, LK_RELEASE); 1363 return ret; 1364 } 1365 1366 /** 1367 * drm_mode_getconnector - get connector configuration 1368 * @inode: inode from the ioctl 1369 * @filp: file * from the ioctl 1370 * @cmd: cmd from ioctl 1371 * @arg: arg from ioctl 1372 * 1373 * LOCKING: 1374 * Takes mode config lock. 1375 * 1376 * Construct a connector configuration structure to return to the user. 1377 * 1378 * Called by the user via ioctl. 1379 * 1380 * RETURNS: 1381 * Zero on success, errno on failure. 1382 */ 1383 int drm_mode_getconnector(struct drm_device *dev, void *data, 1384 struct drm_file *file_priv) 1385 { 1386 struct drm_mode_get_connector *out_resp = data; 1387 struct drm_mode_object *obj; 1388 struct drm_connector *connector; 1389 struct drm_display_mode *mode; 1390 int mode_count = 0; 1391 int props_count = 0; 1392 int encoders_count = 0; 1393 int ret = 0; 1394 int copied = 0; 1395 int i; 1396 struct drm_mode_modeinfo u_mode; 1397 struct drm_mode_modeinfo __user *mode_ptr; 1398 uint32_t *prop_ptr; 1399 uint64_t *prop_values; 1400 uint32_t *encoder_ptr; 1401 1402 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1403 return (EINVAL); 1404 1405 memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1406 1407 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 1408 1409 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 1410 1411 obj = drm_mode_object_find(dev, out_resp->connector_id, 1412 DRM_MODE_OBJECT_CONNECTOR); 1413 if (!obj) { 1414 ret = EINVAL; 1415 goto out; 1416 } 1417 connector = obj_to_connector(obj); 1418 1419 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 1420 if (connector->property_ids[i] != 0) { 1421 props_count++; 1422 } 1423 } 1424 1425 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1426 if (connector->encoder_ids[i] != 0) { 1427 encoders_count++; 1428 } 1429 } 1430 1431 if (out_resp->count_modes == 0) { 1432 connector->funcs->fill_modes(connector, 1433 dev->mode_config.max_width, 1434 dev->mode_config.max_height); 1435 } 1436 1437 /* delayed so we get modes regardless of pre-fill_modes state */ 1438 list_for_each_entry(mode, &connector->modes, head) 1439 mode_count++; 1440 1441 out_resp->connector_id = connector->base.id; 1442 out_resp->connector_type = connector->connector_type; 1443 out_resp->connector_type_id = connector->connector_type_id; 1444 out_resp->mm_width = connector->display_info.width_mm; 1445 out_resp->mm_height = connector->display_info.height_mm; 1446 out_resp->subpixel = connector->display_info.subpixel_order; 1447 out_resp->connection = connector->status; 1448 if (connector->encoder) 1449 out_resp->encoder_id = connector->encoder->base.id; 1450 else 1451 out_resp->encoder_id = 0; 1452 1453 /* 1454 * This ioctl is called twice, once to determine how much space is 1455 * needed, and the 2nd time to fill it. 1456 */ 1457 if ((out_resp->count_modes >= mode_count) && mode_count) { 1458 copied = 0; 1459 mode_ptr = (struct drm_mode_modeinfo *)(uintptr_t)out_resp->modes_ptr; 1460 list_for_each_entry(mode, &connector->modes, head) { 1461 drm_crtc_convert_to_umode(&u_mode, mode); 1462 if (copyout(&u_mode, mode_ptr + copied, 1463 sizeof(u_mode))) { 1464 ret = EFAULT; 1465 goto out; 1466 } 1467 copied++; 1468 } 1469 } 1470 out_resp->count_modes = mode_count; 1471 1472 if ((out_resp->count_props >= props_count) && props_count) { 1473 copied = 0; 1474 prop_ptr = (uint32_t *)(uintptr_t)(out_resp->props_ptr); 1475 prop_values = (uint64_t *)(uintptr_t)(out_resp->prop_values_ptr); 1476 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 1477 if (connector->property_ids[i] != 0) { 1478 if (copyout(&connector->property_ids[i], 1479 prop_ptr + copied, sizeof(uint32_t))) { 1480 ret = EFAULT; 1481 goto out; 1482 } 1483 1484 if (copyout(&connector->property_values[i], 1485 prop_values + copied, sizeof(uint64_t))) { 1486 ret = EFAULT; 1487 goto out; 1488 } 1489 copied++; 1490 } 1491 } 1492 } 1493 out_resp->count_props = props_count; 1494 1495 if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 1496 copied = 0; 1497 encoder_ptr = (uint32_t *)(uintptr_t)(out_resp->encoders_ptr); 1498 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1499 if (connector->encoder_ids[i] != 0) { 1500 if (copyout(&connector->encoder_ids[i], 1501 encoder_ptr + copied, sizeof(uint32_t))) { 1502 ret = EFAULT; 1503 goto out; 1504 } 1505 copied++; 1506 } 1507 } 1508 } 1509 out_resp->count_encoders = encoders_count; 1510 1511 out: 1512 lockmgr(&dev->mode_config.lock, LK_RELEASE); 1513 return ret; 1514 } 1515 1516 int drm_mode_getencoder(struct drm_device *dev, void *data, 1517 struct drm_file *file_priv) 1518 { 1519 struct drm_mode_get_encoder *enc_resp = data; 1520 struct drm_mode_object *obj; 1521 struct drm_encoder *encoder; 1522 int ret = 0; 1523 1524 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1525 return (EINVAL); 1526 1527 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 1528 obj = drm_mode_object_find(dev, enc_resp->encoder_id, 1529 DRM_MODE_OBJECT_ENCODER); 1530 if (!obj) { 1531 ret = EINVAL; 1532 goto out; 1533 } 1534 encoder = obj_to_encoder(obj); 1535 1536 if (encoder->crtc) 1537 enc_resp->crtc_id = encoder->crtc->base.id; 1538 else 1539 enc_resp->crtc_id = 0; 1540 enc_resp->encoder_type = encoder->encoder_type; 1541 enc_resp->encoder_id = encoder->base.id; 1542 enc_resp->possible_crtcs = encoder->possible_crtcs; 1543 enc_resp->possible_clones = encoder->possible_clones; 1544 1545 out: 1546 lockmgr(&dev->mode_config.lock, LK_RELEASE); 1547 return ret; 1548 } 1549 1550 /** 1551 * drm_mode_getplane_res - get plane info 1552 * @dev: DRM device 1553 * @data: ioctl data 1554 * @file_priv: DRM file info 1555 * 1556 * LOCKING: 1557 * Takes mode config lock. 1558 * 1559 * Return an plane count and set of IDs. 1560 */ 1561 int drm_mode_getplane_res(struct drm_device *dev, void *data, 1562 struct drm_file *file_priv) 1563 { 1564 struct drm_mode_get_plane_res *plane_resp = data; 1565 struct drm_mode_config *config; 1566 struct drm_plane *plane; 1567 uint32_t *plane_ptr; 1568 int copied = 0, ret = 0; 1569 1570 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1571 return (EINVAL); 1572 1573 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 1574 config = &dev->mode_config; 1575 1576 /* 1577 * This ioctl is called twice, once to determine how much space is 1578 * needed, and the 2nd time to fill it. 1579 */ 1580 if (config->num_plane && 1581 (plane_resp->count_planes >= config->num_plane)) { 1582 plane_ptr = (uint32_t *)(unsigned long)plane_resp->plane_id_ptr; 1583 1584 list_for_each_entry(plane, &config->plane_list, head) { 1585 if (copyout(&plane->base.id, plane_ptr + copied, 1586 sizeof(uint32_t))) { 1587 ret = EFAULT; 1588 goto out; 1589 } 1590 copied++; 1591 } 1592 } 1593 plane_resp->count_planes = config->num_plane; 1594 1595 out: 1596 lockmgr(&dev->mode_config.lock, LK_RELEASE); 1597 return ret; 1598 } 1599 1600 /** 1601 * drm_mode_getplane - get plane info 1602 * @dev: DRM device 1603 * @data: ioctl data 1604 * @file_priv: DRM file info 1605 * 1606 * LOCKING: 1607 * Takes mode config lock. 1608 * 1609 * Return plane info, including formats supported, gamma size, any 1610 * current fb, etc. 1611 */ 1612 int drm_mode_getplane(struct drm_device *dev, void *data, 1613 struct drm_file *file_priv) 1614 { 1615 struct drm_mode_get_plane *plane_resp = data; 1616 struct drm_mode_object *obj; 1617 struct drm_plane *plane; 1618 uint32_t *format_ptr; 1619 int ret = 0; 1620 1621 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1622 return (EINVAL); 1623 1624 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 1625 obj = drm_mode_object_find(dev, plane_resp->plane_id, 1626 DRM_MODE_OBJECT_PLANE); 1627 if (!obj) { 1628 ret = ENOENT; 1629 goto out; 1630 } 1631 plane = obj_to_plane(obj); 1632 1633 if (plane->crtc) 1634 plane_resp->crtc_id = plane->crtc->base.id; 1635 else 1636 plane_resp->crtc_id = 0; 1637 1638 if (plane->fb) 1639 plane_resp->fb_id = plane->fb->base.id; 1640 else 1641 plane_resp->fb_id = 0; 1642 1643 plane_resp->plane_id = plane->base.id; 1644 plane_resp->possible_crtcs = plane->possible_crtcs; 1645 plane_resp->gamma_size = plane->gamma_size; 1646 1647 /* 1648 * This ioctl is called twice, once to determine how much space is 1649 * needed, and the 2nd time to fill it. 1650 */ 1651 if (plane->format_count && 1652 (plane_resp->count_format_types >= plane->format_count)) { 1653 format_ptr = (uint32_t *)(unsigned long)plane_resp->format_type_ptr; 1654 if (copyout(format_ptr, 1655 plane->format_types, 1656 sizeof(uint32_t) * plane->format_count)) { 1657 ret = EFAULT; 1658 goto out; 1659 } 1660 } 1661 plane_resp->count_format_types = plane->format_count; 1662 1663 out: 1664 lockmgr(&dev->mode_config.lock, LK_RELEASE); 1665 return ret; 1666 } 1667 1668 /** 1669 * drm_mode_setplane - set up or tear down an plane 1670 * @dev: DRM device 1671 * @data: ioctl data* 1672 * @file_prive: DRM file info 1673 * 1674 * LOCKING: 1675 * Takes mode config lock. 1676 * 1677 * Set plane info, including placement, fb, scaling, and other factors. 1678 * Or pass a NULL fb to disable. 1679 */ 1680 int drm_mode_setplane(struct drm_device *dev, void *data, 1681 struct drm_file *file_priv) 1682 { 1683 struct drm_mode_set_plane *plane_req = data; 1684 struct drm_mode_object *obj; 1685 struct drm_plane *plane; 1686 struct drm_crtc *crtc; 1687 struct drm_framebuffer *fb; 1688 int ret = 0; 1689 unsigned int fb_width, fb_height; 1690 int i; 1691 1692 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1693 return (EINVAL); 1694 1695 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 1696 1697 /* 1698 * First, find the plane, crtc, and fb objects. If not available, 1699 * we don't bother to call the driver. 1700 */ 1701 obj = drm_mode_object_find(dev, plane_req->plane_id, 1702 DRM_MODE_OBJECT_PLANE); 1703 if (!obj) { 1704 DRM_DEBUG_KMS("Unknown plane ID %d\n", 1705 plane_req->plane_id); 1706 ret = ENOENT; 1707 goto out; 1708 } 1709 plane = obj_to_plane(obj); 1710 1711 /* No fb means shut it down */ 1712 if (!plane_req->fb_id) { 1713 plane->funcs->disable_plane(plane); 1714 plane->crtc = NULL; 1715 plane->fb = NULL; 1716 goto out; 1717 } 1718 1719 obj = drm_mode_object_find(dev, plane_req->crtc_id, 1720 DRM_MODE_OBJECT_CRTC); 1721 if (!obj) { 1722 DRM_DEBUG_KMS("Unknown crtc ID %d\n", 1723 plane_req->crtc_id); 1724 ret = ENOENT; 1725 goto out; 1726 } 1727 crtc = obj_to_crtc(obj); 1728 1729 obj = drm_mode_object_find(dev, plane_req->fb_id, 1730 DRM_MODE_OBJECT_FB); 1731 if (!obj) { 1732 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 1733 plane_req->fb_id); 1734 ret = ENOENT; 1735 goto out; 1736 } 1737 fb = obj_to_fb(obj); 1738 1739 /* Check whether this plane supports the fb pixel format. */ 1740 for (i = 0; i < plane->format_count; i++) 1741 if (fb->pixel_format == plane->format_types[i]) 1742 break; 1743 if (i == plane->format_count) { 1744 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); 1745 ret = EINVAL; 1746 goto out; 1747 } 1748 1749 fb_width = fb->width << 16; 1750 fb_height = fb->height << 16; 1751 1752 /* Make sure source coordinates are inside the fb. */ 1753 if (plane_req->src_w > fb_width || 1754 plane_req->src_x > fb_width - plane_req->src_w || 1755 plane_req->src_h > fb_height || 1756 plane_req->src_y > fb_height - plane_req->src_h) { 1757 DRM_DEBUG_KMS("Invalid source coordinates " 1758 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 1759 plane_req->src_w >> 16, 1760 ((plane_req->src_w & 0xffff) * 15625) >> 10, 1761 plane_req->src_h >> 16, 1762 ((plane_req->src_h & 0xffff) * 15625) >> 10, 1763 plane_req->src_x >> 16, 1764 ((plane_req->src_x & 0xffff) * 15625) >> 10, 1765 plane_req->src_y >> 16, 1766 ((plane_req->src_y & 0xffff) * 15625) >> 10); 1767 ret = ENOSPC; 1768 goto out; 1769 } 1770 1771 /* Give drivers some help against integer overflows */ 1772 if (plane_req->crtc_w > INT_MAX || 1773 plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || 1774 plane_req->crtc_h > INT_MAX || 1775 plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { 1776 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 1777 plane_req->crtc_w, plane_req->crtc_h, 1778 plane_req->crtc_x, plane_req->crtc_y); 1779 ret = ERANGE; 1780 goto out; 1781 } 1782 1783 ret = -plane->funcs->update_plane(plane, crtc, fb, 1784 plane_req->crtc_x, plane_req->crtc_y, 1785 plane_req->crtc_w, plane_req->crtc_h, 1786 plane_req->src_x, plane_req->src_y, 1787 plane_req->src_w, plane_req->src_h); 1788 if (!ret) { 1789 plane->crtc = crtc; 1790 plane->fb = fb; 1791 } 1792 1793 out: 1794 lockmgr(&dev->mode_config.lock, LK_RELEASE); 1795 1796 return ret; 1797 } 1798 1799 /** 1800 * drm_mode_setcrtc - set CRTC configuration 1801 * @inode: inode from the ioctl 1802 * @filp: file * from the ioctl 1803 * @cmd: cmd from ioctl 1804 * @arg: arg from ioctl 1805 * 1806 * LOCKING: 1807 * Takes mode config lock. 1808 * 1809 * Build a new CRTC configuration based on user request. 1810 * 1811 * Called by the user via ioctl. 1812 * 1813 * RETURNS: 1814 * Zero on success, errno on failure. 1815 */ 1816 int drm_mode_setcrtc(struct drm_device *dev, void *data, 1817 struct drm_file *file_priv) 1818 { 1819 struct drm_mode_config *config = &dev->mode_config; 1820 struct drm_mode_crtc *crtc_req = data; 1821 struct drm_mode_object *obj; 1822 struct drm_crtc *crtc; 1823 struct drm_connector **connector_set = NULL, *connector; 1824 struct drm_framebuffer *fb = NULL; 1825 struct drm_display_mode *mode = NULL; 1826 struct drm_mode_set set; 1827 uint32_t *set_connectors_ptr; 1828 int ret = 0; 1829 int i; 1830 1831 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1832 return (EINVAL); 1833 1834 /* For some reason crtc x/y offsets are signed internally. */ 1835 if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 1836 return (ERANGE); 1837 1838 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 1839 obj = drm_mode_object_find(dev, crtc_req->crtc_id, 1840 DRM_MODE_OBJECT_CRTC); 1841 if (!obj) { 1842 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 1843 ret = EINVAL; 1844 goto out; 1845 } 1846 crtc = obj_to_crtc(obj); 1847 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1848 1849 if (crtc_req->mode_valid) { 1850 /* If we have a mode we need a framebuffer. */ 1851 /* If we pass -1, set the mode with the currently bound fb */ 1852 if (crtc_req->fb_id == -1) { 1853 if (!crtc->fb) { 1854 DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 1855 ret = -EINVAL; 1856 goto out; 1857 } 1858 fb = crtc->fb; 1859 } else { 1860 obj = drm_mode_object_find(dev, crtc_req->fb_id, 1861 DRM_MODE_OBJECT_FB); 1862 if (!obj) { 1863 DRM_DEBUG_KMS("Unknown FB ID%d\n", 1864 crtc_req->fb_id); 1865 ret = EINVAL; 1866 goto out; 1867 } 1868 fb = obj_to_fb(obj); 1869 } 1870 1871 mode = drm_mode_create(dev); 1872 if (!mode) { 1873 ret = ENOMEM; 1874 goto out; 1875 } 1876 1877 ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 1878 if (ret) { 1879 DRM_DEBUG_KMS("Invalid mode\n"); 1880 goto out; 1881 } 1882 1883 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 1884 1885 if (mode->hdisplay > fb->width || 1886 mode->vdisplay > fb->height || 1887 crtc_req->x > fb->width - mode->hdisplay || 1888 crtc_req->y > fb->height - mode->vdisplay) { 1889 DRM_DEBUG_KMS("Invalid CRTC viewport %ux%u+%u+%u for fb size %ux%u.\n", 1890 mode->hdisplay, mode->vdisplay, 1891 crtc_req->x, crtc_req->y, 1892 fb->width, fb->height); 1893 ret = ENOSPC; 1894 goto out; 1895 } 1896 } 1897 1898 if (crtc_req->count_connectors == 0 && mode) { 1899 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 1900 ret = EINVAL; 1901 goto out; 1902 } 1903 1904 if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 1905 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 1906 crtc_req->count_connectors); 1907 ret = EINVAL; 1908 goto out; 1909 } 1910 1911 if (crtc_req->count_connectors > 0) { 1912 u32 out_id; 1913 1914 /* Avoid unbounded kernel memory allocation */ 1915 if (crtc_req->count_connectors > config->num_connector) { 1916 ret = EINVAL; 1917 goto out; 1918 } 1919 1920 connector_set = kmalloc(crtc_req->count_connectors * 1921 sizeof(struct drm_connector *), DRM_MEM_KMS, M_WAITOK); 1922 1923 for (i = 0; i < crtc_req->count_connectors; i++) { 1924 set_connectors_ptr = (uint32_t *)(uintptr_t)crtc_req->set_connectors_ptr; 1925 if (copyin(&set_connectors_ptr[i], &out_id, sizeof(uint32_t))) { 1926 ret = EFAULT; 1927 goto out; 1928 } 1929 1930 obj = drm_mode_object_find(dev, out_id, 1931 DRM_MODE_OBJECT_CONNECTOR); 1932 if (!obj) { 1933 DRM_DEBUG_KMS("Connector id %d unknown\n", 1934 out_id); 1935 ret = EINVAL; 1936 goto out; 1937 } 1938 connector = obj_to_connector(obj); 1939 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 1940 connector->base.id, 1941 drm_get_connector_name(connector)); 1942 1943 connector_set[i] = connector; 1944 } 1945 } 1946 1947 set.crtc = crtc; 1948 set.x = crtc_req->x; 1949 set.y = crtc_req->y; 1950 set.mode = mode; 1951 set.connectors = connector_set; 1952 set.num_connectors = crtc_req->count_connectors; 1953 set.fb = fb; 1954 ret = crtc->funcs->set_config(&set); 1955 1956 out: 1957 drm_free(connector_set, DRM_MEM_KMS); 1958 drm_mode_destroy(dev, mode); 1959 lockmgr(&dev->mode_config.lock, LK_RELEASE); 1960 return ret; 1961 } 1962 1963 int drm_mode_cursor_ioctl(struct drm_device *dev, 1964 void *data, struct drm_file *file_priv) 1965 { 1966 struct drm_mode_cursor *req = data; 1967 struct drm_mode_object *obj; 1968 struct drm_crtc *crtc; 1969 int ret = 0; 1970 1971 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1972 return (EINVAL); 1973 1974 if (!req->flags) 1975 return (EINVAL); 1976 1977 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 1978 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); 1979 if (!obj) { 1980 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 1981 ret = EINVAL; 1982 goto out; 1983 } 1984 crtc = obj_to_crtc(obj); 1985 1986 if (req->flags & DRM_MODE_CURSOR_BO) { 1987 if (!crtc->funcs->cursor_set) { 1988 ret = ENXIO; 1989 goto out; 1990 } 1991 /* Turns off the cursor if handle is 0 */ 1992 ret = -crtc->funcs->cursor_set(crtc, file_priv, req->handle, 1993 req->width, req->height); 1994 } 1995 1996 if (req->flags & DRM_MODE_CURSOR_MOVE) { 1997 if (crtc->funcs->cursor_move) { 1998 ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 1999 } else { 2000 ret = EFAULT; 2001 goto out; 2002 } 2003 } 2004 out: 2005 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2006 return ret; 2007 } 2008 2009 /* Original addfb only supported RGB formats, so figure out which one */ 2010 uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 2011 { 2012 uint32_t fmt; 2013 2014 switch (bpp) { 2015 case 8: 2016 fmt = DRM_FORMAT_RGB332; 2017 break; 2018 case 16: 2019 if (depth == 15) 2020 fmt = DRM_FORMAT_XRGB1555; 2021 else 2022 fmt = DRM_FORMAT_RGB565; 2023 break; 2024 case 24: 2025 fmt = DRM_FORMAT_RGB888; 2026 break; 2027 case 32: 2028 if (depth == 24) 2029 fmt = DRM_FORMAT_XRGB8888; 2030 else if (depth == 30) 2031 fmt = DRM_FORMAT_XRGB2101010; 2032 else 2033 fmt = DRM_FORMAT_ARGB8888; 2034 break; 2035 default: 2036 DRM_ERROR("bad bpp, assuming RGB24 pixel format\n"); 2037 fmt = DRM_FORMAT_XRGB8888; 2038 break; 2039 } 2040 2041 return fmt; 2042 } 2043 2044 /** 2045 * drm_mode_addfb - add an FB to the graphics configuration 2046 * @inode: inode from the ioctl 2047 * @filp: file * from the ioctl 2048 * @cmd: cmd from ioctl 2049 * @arg: arg from ioctl 2050 * 2051 * LOCKING: 2052 * Takes mode config lock. 2053 * 2054 * Add a new FB to the specified CRTC, given a user request. 2055 * 2056 * Called by the user via ioctl. 2057 * 2058 * RETURNS: 2059 * Zero on success, errno on failure. 2060 */ 2061 int drm_mode_addfb(struct drm_device *dev, 2062 void *data, struct drm_file *file_priv) 2063 { 2064 struct drm_mode_fb_cmd *or = data; 2065 struct drm_mode_fb_cmd2 r = {}; 2066 struct drm_mode_config *config = &dev->mode_config; 2067 struct drm_framebuffer *fb; 2068 int ret = 0; 2069 2070 /* Use new struct with format internally */ 2071 r.fb_id = or->fb_id; 2072 r.width = or->width; 2073 r.height = or->height; 2074 r.pitches[0] = or->pitch; 2075 r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 2076 r.handles[0] = or->handle; 2077 2078 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2079 return (EINVAL); 2080 2081 if ((config->min_width > r.width) || (r.width > config->max_width)) 2082 return (EINVAL); 2083 if ((config->min_height > r.height) || (r.height > config->max_height)) 2084 return (EINVAL); 2085 2086 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 2087 2088 ret = -dev->mode_config.funcs->fb_create(dev, file_priv, &r, &fb); 2089 if (ret != 0) { 2090 DRM_ERROR("could not create framebuffer, error %d\n", ret); 2091 goto out; 2092 } 2093 2094 or->fb_id = fb->base.id; 2095 list_add(&fb->filp_head, &file_priv->fbs); 2096 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 2097 2098 out: 2099 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2100 return ret; 2101 } 2102 2103 static int format_check(struct drm_mode_fb_cmd2 *r) 2104 { 2105 uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 2106 2107 switch (format) { 2108 case DRM_FORMAT_C8: 2109 case DRM_FORMAT_RGB332: 2110 case DRM_FORMAT_BGR233: 2111 case DRM_FORMAT_XRGB4444: 2112 case DRM_FORMAT_XBGR4444: 2113 case DRM_FORMAT_RGBX4444: 2114 case DRM_FORMAT_BGRX4444: 2115 case DRM_FORMAT_ARGB4444: 2116 case DRM_FORMAT_ABGR4444: 2117 case DRM_FORMAT_RGBA4444: 2118 case DRM_FORMAT_BGRA4444: 2119 case DRM_FORMAT_XRGB1555: 2120 case DRM_FORMAT_XBGR1555: 2121 case DRM_FORMAT_RGBX5551: 2122 case DRM_FORMAT_BGRX5551: 2123 case DRM_FORMAT_ARGB1555: 2124 case DRM_FORMAT_ABGR1555: 2125 case DRM_FORMAT_RGBA5551: 2126 case DRM_FORMAT_BGRA5551: 2127 case DRM_FORMAT_RGB565: 2128 case DRM_FORMAT_BGR565: 2129 case DRM_FORMAT_RGB888: 2130 case DRM_FORMAT_BGR888: 2131 case DRM_FORMAT_XRGB8888: 2132 case DRM_FORMAT_XBGR8888: 2133 case DRM_FORMAT_RGBX8888: 2134 case DRM_FORMAT_BGRX8888: 2135 case DRM_FORMAT_ARGB8888: 2136 case DRM_FORMAT_ABGR8888: 2137 case DRM_FORMAT_RGBA8888: 2138 case DRM_FORMAT_BGRA8888: 2139 case DRM_FORMAT_XRGB2101010: 2140 case DRM_FORMAT_XBGR2101010: 2141 case DRM_FORMAT_RGBX1010102: 2142 case DRM_FORMAT_BGRX1010102: 2143 case DRM_FORMAT_ARGB2101010: 2144 case DRM_FORMAT_ABGR2101010: 2145 case DRM_FORMAT_RGBA1010102: 2146 case DRM_FORMAT_BGRA1010102: 2147 case DRM_FORMAT_YUYV: 2148 case DRM_FORMAT_YVYU: 2149 case DRM_FORMAT_UYVY: 2150 case DRM_FORMAT_VYUY: 2151 case DRM_FORMAT_AYUV: 2152 case DRM_FORMAT_NV12: 2153 case DRM_FORMAT_NV21: 2154 case DRM_FORMAT_NV16: 2155 case DRM_FORMAT_NV61: 2156 case DRM_FORMAT_YUV410: 2157 case DRM_FORMAT_YVU410: 2158 case DRM_FORMAT_YUV411: 2159 case DRM_FORMAT_YVU411: 2160 case DRM_FORMAT_YUV420: 2161 case DRM_FORMAT_YVU420: 2162 case DRM_FORMAT_YUV422: 2163 case DRM_FORMAT_YVU422: 2164 case DRM_FORMAT_YUV444: 2165 case DRM_FORMAT_YVU444: 2166 return 0; 2167 default: 2168 return (EINVAL); 2169 } 2170 } 2171 2172 /** 2173 * drm_mode_addfb2 - add an FB to the graphics configuration 2174 * @inode: inode from the ioctl 2175 * @filp: file * from the ioctl 2176 * @cmd: cmd from ioctl 2177 * @arg: arg from ioctl 2178 * 2179 * LOCKING: 2180 * Takes mode config lock. 2181 * 2182 * Add a new FB to the specified CRTC, given a user request with format. 2183 * 2184 * Called by the user via ioctl. 2185 * 2186 * RETURNS: 2187 * Zero on success, errno on failure. 2188 */ 2189 int drm_mode_addfb2(struct drm_device *dev, 2190 void *data, struct drm_file *file_priv) 2191 { 2192 struct drm_mode_fb_cmd2 *r = data; 2193 struct drm_mode_config *config = &dev->mode_config; 2194 struct drm_framebuffer *fb; 2195 int ret = 0; 2196 2197 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2198 return (EINVAL); 2199 2200 if ((config->min_width > r->width) || (r->width > config->max_width)) { 2201 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n", 2202 r->width, config->min_width, config->max_width); 2203 return (EINVAL); 2204 } 2205 if ((config->min_height > r->height) || (r->height > config->max_height)) { 2206 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n", 2207 r->height, config->min_height, config->max_height); 2208 return (EINVAL); 2209 } 2210 2211 ret = format_check(r); 2212 if (ret) { 2213 DRM_ERROR("bad framebuffer format 0x%08x\n", r->pixel_format); 2214 return ret; 2215 } 2216 2217 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 2218 2219 /* TODO check buffer is sufficiently large */ 2220 /* TODO setup destructor callback */ 2221 2222 ret = -dev->mode_config.funcs->fb_create(dev, file_priv, r, &fb); 2223 if (ret != 0) { 2224 DRM_ERROR("could not create framebuffer, error %d\n", ret); 2225 goto out; 2226 } 2227 2228 r->fb_id = fb->base.id; 2229 list_add(&fb->filp_head, &file_priv->fbs); 2230 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 2231 2232 out: 2233 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2234 return (ret); 2235 } 2236 2237 /** 2238 * drm_mode_rmfb - remove an FB from the configuration 2239 * @inode: inode from the ioctl 2240 * @filp: file * from the ioctl 2241 * @cmd: cmd from ioctl 2242 * @arg: arg from ioctl 2243 * 2244 * LOCKING: 2245 * Takes mode config lock. 2246 * 2247 * Remove the FB specified by the user. 2248 * 2249 * Called by the user via ioctl. 2250 * 2251 * RETURNS: 2252 * Zero on success, errno on failure. 2253 */ 2254 int drm_mode_rmfb(struct drm_device *dev, 2255 void *data, struct drm_file *file_priv) 2256 { 2257 struct drm_mode_object *obj; 2258 struct drm_framebuffer *fb = NULL; 2259 struct drm_framebuffer *fbl = NULL; 2260 uint32_t *id = data; 2261 int ret = 0; 2262 int found = 0; 2263 2264 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2265 return (EINVAL); 2266 2267 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 2268 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); 2269 /* TODO check that we really get a framebuffer back. */ 2270 if (!obj) { 2271 ret = EINVAL; 2272 goto out; 2273 } 2274 fb = obj_to_fb(obj); 2275 2276 list_for_each_entry(fbl, &file_priv->fbs, filp_head) 2277 if (fb == fbl) 2278 found = 1; 2279 2280 if (!found) { 2281 ret = EINVAL; 2282 goto out; 2283 } 2284 2285 /* TODO release all crtc connected to the framebuffer */ 2286 /* TODO unhock the destructor from the buffer object */ 2287 2288 list_del(&fb->filp_head); 2289 fb->funcs->destroy(fb); 2290 2291 out: 2292 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2293 return ret; 2294 } 2295 2296 /** 2297 * drm_mode_getfb - get FB info 2298 * @inode: inode from the ioctl 2299 * @filp: file * from the ioctl 2300 * @cmd: cmd from ioctl 2301 * @arg: arg from ioctl 2302 * 2303 * LOCKING: 2304 * Takes mode config lock. 2305 * 2306 * Lookup the FB given its ID and return info about it. 2307 * 2308 * Called by the user via ioctl. 2309 * 2310 * RETURNS: 2311 * Zero on success, errno on failure. 2312 */ 2313 int drm_mode_getfb(struct drm_device *dev, 2314 void *data, struct drm_file *file_priv) 2315 { 2316 struct drm_mode_fb_cmd *r = data; 2317 struct drm_mode_object *obj; 2318 struct drm_framebuffer *fb; 2319 int ret = 0; 2320 2321 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2322 return (EINVAL); 2323 2324 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 2325 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); 2326 if (!obj) { 2327 ret = EINVAL; 2328 goto out; 2329 } 2330 fb = obj_to_fb(obj); 2331 2332 r->height = fb->height; 2333 r->width = fb->width; 2334 r->depth = fb->depth; 2335 r->bpp = fb->bits_per_pixel; 2336 r->pitch = fb->pitches[0]; 2337 fb->funcs->create_handle(fb, file_priv, &r->handle); 2338 2339 out: 2340 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2341 return ret; 2342 } 2343 2344 int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 2345 void *data, struct drm_file *file_priv) 2346 { 2347 struct drm_clip_rect __user *clips_ptr; 2348 struct drm_clip_rect *clips = NULL; 2349 struct drm_mode_fb_dirty_cmd *r = data; 2350 struct drm_mode_object *obj; 2351 struct drm_framebuffer *fb; 2352 unsigned flags; 2353 int num_clips; 2354 int ret = 0; 2355 2356 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2357 return (EINVAL); 2358 2359 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 2360 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); 2361 if (!obj) { 2362 ret = EINVAL; 2363 goto out_err1; 2364 } 2365 fb = obj_to_fb(obj); 2366 2367 num_clips = r->num_clips; 2368 clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr; 2369 2370 if (!num_clips != !clips_ptr) { 2371 ret = EINVAL; 2372 goto out_err1; 2373 } 2374 2375 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 2376 2377 /* If userspace annotates copy, clips must come in pairs */ 2378 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 2379 ret = EINVAL; 2380 goto out_err1; 2381 } 2382 2383 if (num_clips && clips_ptr) { 2384 if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 2385 ret = EINVAL; 2386 goto out_err1; 2387 } 2388 clips = kmalloc(num_clips * sizeof(*clips), DRM_MEM_KMS, 2389 M_WAITOK | M_ZERO); 2390 2391 ret = copyin(clips_ptr, clips, num_clips * sizeof(*clips)); 2392 if (ret) 2393 goto out_err2; 2394 } 2395 2396 if (fb->funcs->dirty) { 2397 ret = -fb->funcs->dirty(fb, file_priv, flags, r->color, 2398 clips, num_clips); 2399 } else { 2400 ret = ENOSYS; 2401 goto out_err2; 2402 } 2403 2404 out_err2: 2405 drm_free(clips, DRM_MEM_KMS); 2406 out_err1: 2407 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2408 return ret; 2409 } 2410 2411 2412 /** 2413 * drm_fb_release - remove and free the FBs on this file 2414 * @filp: file * from the ioctl 2415 * 2416 * LOCKING: 2417 * Takes mode config lock. 2418 * 2419 * Destroy all the FBs associated with @filp. 2420 * 2421 * Called by the user via ioctl. 2422 * 2423 * RETURNS: 2424 * Zero on success, errno on failure. 2425 */ 2426 void drm_fb_release(struct drm_file *priv) 2427 { 2428 #if 1 2429 struct drm_device *dev = priv->dev; 2430 #else 2431 struct drm_device *dev = priv->minor->dev; 2432 #endif 2433 struct drm_framebuffer *fb, *tfb; 2434 2435 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 2436 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 2437 list_del(&fb->filp_head); 2438 fb->funcs->destroy(fb); 2439 } 2440 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2441 } 2442 2443 /** 2444 * drm_mode_attachmode - add a mode to the user mode list 2445 * @dev: DRM device 2446 * @connector: connector to add the mode to 2447 * @mode: mode to add 2448 * 2449 * Add @mode to @connector's user mode list. 2450 */ 2451 static void drm_mode_attachmode(struct drm_device *dev, 2452 struct drm_connector *connector, 2453 struct drm_display_mode *mode) 2454 { 2455 list_add_tail(&mode->head, &connector->user_modes); 2456 } 2457 2458 int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, 2459 const struct drm_display_mode *mode) 2460 { 2461 struct drm_connector *connector; 2462 int ret = 0; 2463 struct drm_display_mode *dup_mode, *next; 2464 LINUX_LIST_HEAD(list); 2465 2466 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2467 if (!connector->encoder) 2468 continue; 2469 if (connector->encoder->crtc == crtc) { 2470 dup_mode = drm_mode_duplicate(dev, mode); 2471 if (!dup_mode) { 2472 ret = ENOMEM; 2473 goto out; 2474 } 2475 list_add_tail(&dup_mode->head, &list); 2476 } 2477 } 2478 2479 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2480 if (!connector->encoder) 2481 continue; 2482 if (connector->encoder->crtc == crtc) 2483 list_move_tail(list.next, &connector->user_modes); 2484 } 2485 2486 KASSERT(!list_empty(&list), ("list empty")); 2487 2488 out: 2489 list_for_each_entry_safe(dup_mode, next, &list, head) 2490 drm_mode_destroy(dev, dup_mode); 2491 2492 return ret; 2493 } 2494 2495 static int drm_mode_detachmode(struct drm_device *dev, 2496 struct drm_connector *connector, 2497 struct drm_display_mode *mode) 2498 { 2499 int found = 0; 2500 int ret = 0; 2501 struct drm_display_mode *match_mode, *t; 2502 2503 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { 2504 if (drm_mode_equal(match_mode, mode)) { 2505 list_del(&match_mode->head); 2506 drm_mode_destroy(dev, match_mode); 2507 found = 1; 2508 break; 2509 } 2510 } 2511 2512 if (!found) 2513 ret = -EINVAL; 2514 2515 return ret; 2516 } 2517 2518 int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) 2519 { 2520 struct drm_connector *connector; 2521 2522 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2523 drm_mode_detachmode(dev, connector, mode); 2524 } 2525 return 0; 2526 } 2527 2528 /** 2529 * drm_fb_attachmode - Attach a user mode to an connector 2530 * @inode: inode from the ioctl 2531 * @filp: file * from the ioctl 2532 * @cmd: cmd from ioctl 2533 * @arg: arg from ioctl 2534 * 2535 * This attaches a user specified mode to an connector. 2536 * Called by the user via ioctl. 2537 * 2538 * RETURNS: 2539 * Zero on success, errno on failure. 2540 */ 2541 int drm_mode_attachmode_ioctl(struct drm_device *dev, 2542 void *data, struct drm_file *file_priv) 2543 { 2544 struct drm_mode_mode_cmd *mode_cmd = data; 2545 struct drm_connector *connector; 2546 struct drm_display_mode *mode; 2547 struct drm_mode_object *obj; 2548 struct drm_mode_modeinfo *umode = &mode_cmd->mode; 2549 int ret = 0; 2550 2551 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2552 return -EINVAL; 2553 2554 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 2555 2556 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2557 if (!obj) { 2558 ret = -EINVAL; 2559 goto out; 2560 } 2561 connector = obj_to_connector(obj); 2562 2563 mode = drm_mode_create(dev); 2564 if (!mode) { 2565 ret = -ENOMEM; 2566 goto out; 2567 } 2568 2569 ret = drm_crtc_convert_umode(mode, umode); 2570 if (ret) { 2571 DRM_DEBUG_KMS("Invalid mode\n"); 2572 drm_mode_destroy(dev, mode); 2573 goto out; 2574 } 2575 2576 drm_mode_attachmode(dev, connector, mode); 2577 out: 2578 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2579 return ret; 2580 } 2581 2582 2583 /** 2584 * drm_fb_detachmode - Detach a user specified mode from an connector 2585 * @inode: inode from the ioctl 2586 * @filp: file * from the ioctl 2587 * @cmd: cmd from ioctl 2588 * @arg: arg from ioctl 2589 * 2590 * Called by the user via ioctl. 2591 * 2592 * RETURNS: 2593 * Zero on success, errno on failure. 2594 */ 2595 int drm_mode_detachmode_ioctl(struct drm_device *dev, 2596 void *data, struct drm_file *file_priv) 2597 { 2598 struct drm_mode_object *obj; 2599 struct drm_mode_mode_cmd *mode_cmd = data; 2600 struct drm_connector *connector; 2601 struct drm_display_mode mode; 2602 struct drm_mode_modeinfo *umode = &mode_cmd->mode; 2603 int ret = 0; 2604 2605 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2606 return -EINVAL; 2607 2608 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 2609 2610 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2611 if (!obj) { 2612 ret = -EINVAL; 2613 goto out; 2614 } 2615 connector = obj_to_connector(obj); 2616 2617 ret = drm_crtc_convert_umode(&mode, umode); 2618 if (ret) { 2619 DRM_DEBUG_KMS("Invalid mode\n"); 2620 goto out; 2621 } 2622 2623 ret = drm_mode_detachmode(dev, connector, &mode); 2624 out: 2625 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2626 return ret; 2627 } 2628 2629 struct drm_property *drm_property_create(struct drm_device *dev, int flags, 2630 const char *name, int num_values) 2631 { 2632 struct drm_property *property = NULL; 2633 int ret; 2634 2635 property = kmalloc(sizeof(struct drm_property), DRM_MEM_KMS, 2636 M_WAITOK | M_ZERO); 2637 2638 if (num_values) { 2639 property->values = kmalloc(sizeof(uint64_t)*num_values, DRM_MEM_KMS, 2640 M_WAITOK | M_ZERO); 2641 } 2642 2643 ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 2644 if (ret) 2645 goto fail; 2646 property->flags = flags; 2647 property->num_values = num_values; 2648 INIT_LIST_HEAD(&property->enum_blob_list); 2649 2650 if (name) { 2651 strncpy(property->name, name, DRM_PROP_NAME_LEN); 2652 property->name[DRM_PROP_NAME_LEN-1] = '\0'; 2653 } 2654 2655 list_add_tail(&property->head, &dev->mode_config.property_list); 2656 return property; 2657 2658 fail: 2659 drm_free(property->values, DRM_MEM_KMS); 2660 drm_free(property, DRM_MEM_KMS); 2661 return (NULL); 2662 } 2663 2664 struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 2665 const char *name, 2666 const struct drm_prop_enum_list *props, 2667 int num_values) 2668 { 2669 struct drm_property *property; 2670 int i, ret; 2671 2672 flags |= DRM_MODE_PROP_ENUM; 2673 2674 property = drm_property_create(dev, flags, name, num_values); 2675 if (!property) 2676 return NULL; 2677 2678 for (i = 0; i < num_values; i++) { 2679 ret = drm_property_add_enum(property, i, 2680 props[i].type, 2681 props[i].name); 2682 if (ret) { 2683 drm_property_destroy(dev, property); 2684 return NULL; 2685 } 2686 } 2687 2688 return property; 2689 } 2690 2691 struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 2692 const char *name, 2693 uint64_t min, uint64_t max) 2694 { 2695 struct drm_property *property; 2696 2697 flags |= DRM_MODE_PROP_RANGE; 2698 2699 property = drm_property_create(dev, flags, name, 2); 2700 if (!property) 2701 return NULL; 2702 2703 property->values[0] = min; 2704 property->values[1] = max; 2705 2706 return property; 2707 } 2708 2709 int drm_property_add_enum(struct drm_property *property, int index, 2710 uint64_t value, const char *name) 2711 { 2712 struct drm_property_enum *prop_enum; 2713 2714 if (!(property->flags & DRM_MODE_PROP_ENUM)) 2715 return -EINVAL; 2716 2717 if (!list_empty(&property->enum_blob_list)) { 2718 list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2719 if (prop_enum->value == value) { 2720 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2721 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2722 return 0; 2723 } 2724 } 2725 } 2726 2727 prop_enum = kmalloc(sizeof(struct drm_property_enum), DRM_MEM_KMS, 2728 M_WAITOK | M_ZERO); 2729 2730 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2731 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2732 prop_enum->value = value; 2733 2734 property->values[index] = value; 2735 list_add_tail(&prop_enum->head, &property->enum_blob_list); 2736 return 0; 2737 } 2738 2739 void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 2740 { 2741 struct drm_property_enum *prop_enum, *pt; 2742 2743 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 2744 list_del(&prop_enum->head); 2745 drm_free(prop_enum, DRM_MEM_KMS); 2746 } 2747 2748 if (property->num_values) 2749 drm_free(property->values, DRM_MEM_KMS); 2750 drm_mode_object_put(dev, &property->base); 2751 list_del(&property->head); 2752 drm_free(property, DRM_MEM_KMS); 2753 } 2754 2755 int drm_connector_attach_property(struct drm_connector *connector, 2756 struct drm_property *property, uint64_t init_val) 2757 { 2758 int i; 2759 2760 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2761 if (connector->property_ids[i] == 0) { 2762 connector->property_ids[i] = property->base.id; 2763 connector->property_values[i] = init_val; 2764 break; 2765 } 2766 } 2767 2768 if (i == DRM_CONNECTOR_MAX_PROPERTY) 2769 return -EINVAL; 2770 return 0; 2771 } 2772 2773 int drm_connector_property_set_value(struct drm_connector *connector, 2774 struct drm_property *property, uint64_t value) 2775 { 2776 int i; 2777 2778 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2779 if (connector->property_ids[i] == property->base.id) { 2780 connector->property_values[i] = value; 2781 break; 2782 } 2783 } 2784 2785 if (i == DRM_CONNECTOR_MAX_PROPERTY) 2786 return -EINVAL; 2787 return 0; 2788 } 2789 2790 int drm_connector_property_get_value(struct drm_connector *connector, 2791 struct drm_property *property, uint64_t *val) 2792 { 2793 int i; 2794 2795 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2796 if (connector->property_ids[i] == property->base.id) { 2797 *val = connector->property_values[i]; 2798 break; 2799 } 2800 } 2801 2802 if (i == DRM_CONNECTOR_MAX_PROPERTY) 2803 return -EINVAL; 2804 return 0; 2805 } 2806 2807 int drm_mode_getproperty_ioctl(struct drm_device *dev, 2808 void *data, struct drm_file *file_priv) 2809 { 2810 struct drm_mode_object *obj; 2811 struct drm_mode_get_property *out_resp = data; 2812 struct drm_property *property; 2813 int enum_count = 0; 2814 int blob_count = 0; 2815 int value_count = 0; 2816 int ret = 0, i; 2817 int copied; 2818 struct drm_property_enum *prop_enum; 2819 struct drm_mode_property_enum __user *enum_ptr; 2820 struct drm_property_blob *prop_blob; 2821 uint32_t *blob_id_ptr; 2822 uint64_t *values_ptr; 2823 uint32_t *blob_length_ptr; 2824 2825 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2826 return -EINVAL; 2827 2828 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 2829 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2830 if (!obj) { 2831 ret = -EINVAL; 2832 goto done; 2833 } 2834 property = obj_to_property(obj); 2835 2836 if (property->flags & DRM_MODE_PROP_ENUM) { 2837 list_for_each_entry(prop_enum, &property->enum_blob_list, head) 2838 enum_count++; 2839 } else if (property->flags & DRM_MODE_PROP_BLOB) { 2840 list_for_each_entry(prop_blob, &property->enum_blob_list, head) 2841 blob_count++; 2842 } 2843 2844 value_count = property->num_values; 2845 2846 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 2847 out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 2848 out_resp->flags = property->flags; 2849 2850 if ((out_resp->count_values >= value_count) && value_count) { 2851 values_ptr = (uint64_t *)(uintptr_t)out_resp->values_ptr; 2852 for (i = 0; i < value_count; i++) { 2853 if (copyout(&property->values[i], values_ptr + i, sizeof(uint64_t))) { 2854 ret = -EFAULT; 2855 goto done; 2856 } 2857 } 2858 } 2859 out_resp->count_values = value_count; 2860 2861 if (property->flags & DRM_MODE_PROP_ENUM) { 2862 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 2863 copied = 0; 2864 enum_ptr = (struct drm_mode_property_enum *)(uintptr_t)out_resp->enum_blob_ptr; 2865 list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2866 2867 if (copyout(&prop_enum->value, &enum_ptr[copied].value, sizeof(uint64_t))) { 2868 ret = -EFAULT; 2869 goto done; 2870 } 2871 2872 if (copyout(&prop_enum->name, 2873 &enum_ptr[copied].name,DRM_PROP_NAME_LEN)) { 2874 ret = -EFAULT; 2875 goto done; 2876 } 2877 copied++; 2878 } 2879 } 2880 out_resp->count_enum_blobs = enum_count; 2881 } 2882 2883 if (property->flags & DRM_MODE_PROP_BLOB) { 2884 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 2885 copied = 0; 2886 blob_id_ptr = (uint32_t *)(uintptr_t)out_resp->enum_blob_ptr; 2887 blob_length_ptr = (uint32_t *)(uintptr_t)out_resp->values_ptr; 2888 2889 list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 2890 if (copyout(&prop_blob->base.id, 2891 blob_id_ptr + copied, sizeof(uint32_t))) { 2892 ret = -EFAULT; 2893 goto done; 2894 } 2895 2896 if (copyout(&prop_blob->length, 2897 blob_length_ptr + copied, sizeof(uint32_t))) { 2898 ret = -EFAULT; 2899 goto done; 2900 } 2901 2902 copied++; 2903 } 2904 } 2905 out_resp->count_enum_blobs = blob_count; 2906 } 2907 done: 2908 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2909 return ret; 2910 } 2911 2912 static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 2913 void *data) 2914 { 2915 struct drm_property_blob *blob; 2916 int ret; 2917 2918 if (!length || !data) 2919 return NULL; 2920 2921 blob = kmalloc(sizeof(struct drm_property_blob) + length, DRM_MEM_KMS, 2922 M_WAITOK | M_ZERO); 2923 2924 ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 2925 if (ret) { 2926 drm_free(blob, DRM_MEM_KMS); 2927 return (NULL); 2928 } 2929 2930 blob->length = length; 2931 2932 memcpy(blob->data, data, length); 2933 2934 list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 2935 return blob; 2936 } 2937 2938 static void drm_property_destroy_blob(struct drm_device *dev, 2939 struct drm_property_blob *blob) 2940 { 2941 drm_mode_object_put(dev, &blob->base); 2942 list_del(&blob->head); 2943 drm_free(blob, DRM_MEM_KMS); 2944 } 2945 2946 int drm_mode_getblob_ioctl(struct drm_device *dev, 2947 void *data, struct drm_file *file_priv) 2948 { 2949 struct drm_mode_object *obj; 2950 struct drm_mode_get_blob *out_resp = data; 2951 struct drm_property_blob *blob; 2952 int ret = 0; 2953 void *blob_ptr; 2954 2955 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2956 return -EINVAL; 2957 2958 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 2959 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); 2960 if (!obj) { 2961 ret = -EINVAL; 2962 goto done; 2963 } 2964 blob = obj_to_blob(obj); 2965 2966 if (out_resp->length == blob->length) { 2967 blob_ptr = (void *)(unsigned long)out_resp->data; 2968 if (copyout(blob->data, blob_ptr, blob->length)){ 2969 ret = -EFAULT; 2970 goto done; 2971 } 2972 } 2973 out_resp->length = blob->length; 2974 2975 done: 2976 lockmgr(&dev->mode_config.lock, LK_RELEASE); 2977 return ret; 2978 } 2979 2980 int drm_mode_connector_update_edid_property(struct drm_connector *connector, 2981 struct edid *edid) 2982 { 2983 struct drm_device *dev = connector->dev; 2984 int ret = 0, size; 2985 2986 if (connector->edid_blob_ptr) 2987 drm_property_destroy_blob(dev, connector->edid_blob_ptr); 2988 2989 /* Delete edid, when there is none. */ 2990 if (!edid) { 2991 connector->edid_blob_ptr = NULL; 2992 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); 2993 return ret; 2994 } 2995 2996 size = EDID_LENGTH * (1 + edid->extensions); 2997 connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 2998 size, edid); 2999 3000 ret = drm_connector_property_set_value(connector, 3001 dev->mode_config.edid_property, 3002 connector->edid_blob_ptr->base.id); 3003 3004 return ret; 3005 } 3006 3007 int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 3008 void *data, struct drm_file *file_priv) 3009 { 3010 struct drm_mode_connector_set_property *out_resp = data; 3011 struct drm_mode_object *obj; 3012 struct drm_property *property; 3013 struct drm_connector *connector; 3014 int ret = -EINVAL; 3015 int i; 3016 3017 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3018 return -EINVAL; 3019 3020 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 3021 3022 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); 3023 if (!obj) { 3024 goto out; 3025 } 3026 connector = obj_to_connector(obj); 3027 3028 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 3029 if (connector->property_ids[i] == out_resp->prop_id) 3030 break; 3031 } 3032 3033 if (i == DRM_CONNECTOR_MAX_PROPERTY) { 3034 goto out; 3035 } 3036 3037 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 3038 if (!obj) { 3039 goto out; 3040 } 3041 property = obj_to_property(obj); 3042 3043 if (property->flags & DRM_MODE_PROP_IMMUTABLE) 3044 goto out; 3045 3046 if (property->flags & DRM_MODE_PROP_RANGE) { 3047 if (out_resp->value < property->values[0]) 3048 goto out; 3049 3050 if (out_resp->value > property->values[1]) 3051 goto out; 3052 } else { 3053 int found = 0; 3054 for (i = 0; i < property->num_values; i++) { 3055 if (property->values[i] == out_resp->value) { 3056 found = 1; 3057 break; 3058 } 3059 } 3060 if (!found) { 3061 goto out; 3062 } 3063 } 3064 3065 /* Do DPMS ourselves */ 3066 if (property == connector->dev->mode_config.dpms_property) { 3067 if (connector->funcs->dpms) 3068 (*connector->funcs->dpms)(connector, (int) out_resp->value); 3069 ret = 0; 3070 } else if (connector->funcs->set_property) 3071 ret = connector->funcs->set_property(connector, property, out_resp->value); 3072 3073 /* store the property value if successful */ 3074 if (!ret) 3075 drm_connector_property_set_value(connector, property, out_resp->value); 3076 out: 3077 lockmgr(&dev->mode_config.lock, LK_RELEASE); 3078 return ret; 3079 } 3080 3081 int drm_mode_connector_attach_encoder(struct drm_connector *connector, 3082 struct drm_encoder *encoder) 3083 { 3084 int i; 3085 3086 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3087 if (connector->encoder_ids[i] == 0) { 3088 connector->encoder_ids[i] = encoder->base.id; 3089 return 0; 3090 } 3091 } 3092 return -ENOMEM; 3093 } 3094 3095 void drm_mode_connector_detach_encoder(struct drm_connector *connector, 3096 struct drm_encoder *encoder) 3097 { 3098 int i; 3099 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 3100 if (connector->encoder_ids[i] == encoder->base.id) { 3101 connector->encoder_ids[i] = 0; 3102 if (connector->encoder == encoder) 3103 connector->encoder = NULL; 3104 break; 3105 } 3106 } 3107 } 3108 3109 int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 3110 int gamma_size) 3111 { 3112 crtc->gamma_size = gamma_size; 3113 3114 crtc->gamma_store = kmalloc(gamma_size * sizeof(uint16_t) * 3, 3115 DRM_MEM_KMS, M_WAITOK | M_ZERO); 3116 3117 return 0; 3118 } 3119 3120 int drm_mode_gamma_set_ioctl(struct drm_device *dev, 3121 void *data, struct drm_file *file_priv) 3122 { 3123 struct drm_mode_crtc_lut *crtc_lut = data; 3124 struct drm_mode_object *obj; 3125 struct drm_crtc *crtc; 3126 void *r_base, *g_base, *b_base; 3127 int size; 3128 int ret = 0; 3129 3130 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3131 return -EINVAL; 3132 3133 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 3134 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3135 if (!obj) { 3136 ret = -EINVAL; 3137 goto out; 3138 } 3139 crtc = obj_to_crtc(obj); 3140 3141 /* memcpy into gamma store */ 3142 if (crtc_lut->gamma_size != crtc->gamma_size) { 3143 ret = -EINVAL; 3144 goto out; 3145 } 3146 3147 size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3148 r_base = crtc->gamma_store; 3149 if (copyin((void *)(uintptr_t)crtc_lut->red, r_base, size)) { 3150 ret = -EFAULT; 3151 goto out; 3152 } 3153 3154 g_base = (char *)r_base + size; 3155 if (copyin((void *)(uintptr_t)crtc_lut->green, g_base, size)) { 3156 ret = -EFAULT; 3157 goto out; 3158 } 3159 3160 b_base = (char *)g_base + size; 3161 if (copyin((void *)(uintptr_t)crtc_lut->blue, b_base, size)) { 3162 ret = -EFAULT; 3163 goto out; 3164 } 3165 3166 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 3167 3168 out: 3169 lockmgr(&dev->mode_config.lock, LK_RELEASE); 3170 return ret; 3171 3172 } 3173 3174 int drm_mode_gamma_get_ioctl(struct drm_device *dev, 3175 void *data, struct drm_file *file_priv) 3176 { 3177 struct drm_mode_crtc_lut *crtc_lut = data; 3178 struct drm_mode_object *obj; 3179 struct drm_crtc *crtc; 3180 void *r_base, *g_base, *b_base; 3181 int size; 3182 int ret = 0; 3183 3184 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3185 return -EINVAL; 3186 3187 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 3188 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 3189 if (!obj) { 3190 ret = -EINVAL; 3191 goto out; 3192 } 3193 crtc = obj_to_crtc(obj); 3194 3195 /* memcpy into gamma store */ 3196 if (crtc_lut->gamma_size != crtc->gamma_size) { 3197 ret = -EINVAL; 3198 goto out; 3199 } 3200 3201 size = crtc_lut->gamma_size * (sizeof(uint16_t)); 3202 r_base = crtc->gamma_store; 3203 if (copyout(r_base, (void *)(uintptr_t)crtc_lut->red, size)) { 3204 ret = -EFAULT; 3205 goto out; 3206 } 3207 3208 g_base = (char *)r_base + size; 3209 if (copyout(g_base, (void *)(uintptr_t)crtc_lut->green, size)) { 3210 ret = -EFAULT; 3211 goto out; 3212 } 3213 3214 b_base = (char *)g_base + size; 3215 if (copyout(b_base, (void *)(uintptr_t)crtc_lut->blue, size)) { 3216 ret = -EFAULT; 3217 goto out; 3218 } 3219 out: 3220 lockmgr(&dev->mode_config.lock, LK_RELEASE); 3221 return ret; 3222 } 3223 3224 static void 3225 drm_kms_free(void *arg) 3226 { 3227 3228 drm_free(arg, DRM_MEM_KMS); 3229 } 3230 3231 int drm_mode_page_flip_ioctl(struct drm_device *dev, void *data, 3232 struct drm_file *file_priv) 3233 { 3234 struct drm_mode_crtc_page_flip *page_flip = data; 3235 struct drm_mode_object *obj; 3236 struct drm_crtc *crtc; 3237 struct drm_framebuffer *fb; 3238 struct drm_pending_vblank_event *e = NULL; 3239 int ret = EINVAL; 3240 3241 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 3242 page_flip->reserved != 0) 3243 return (EINVAL); 3244 3245 lockmgr(&dev->mode_config.lock, LK_EXCLUSIVE); 3246 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); 3247 if (!obj) 3248 goto out; 3249 crtc = obj_to_crtc(obj); 3250 3251 if (crtc->fb == NULL) { 3252 /* The framebuffer is currently unbound, presumably 3253 * due to a hotplug event, that userspace has not 3254 * yet discovered. 3255 */ 3256 ret = EBUSY; 3257 goto out; 3258 } 3259 3260 if (crtc->funcs->page_flip == NULL) 3261 goto out; 3262 3263 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); 3264 if (!obj) 3265 goto out; 3266 fb = obj_to_fb(obj); 3267 3268 if (crtc->mode.hdisplay > fb->width || 3269 crtc->mode.vdisplay > fb->height || 3270 crtc->x > fb->width - crtc->mode.hdisplay || 3271 crtc->y > fb->height - crtc->mode.vdisplay) { 3272 DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d.\n", 3273 fb->width, fb->height, 3274 crtc->mode.hdisplay, crtc->mode.vdisplay, 3275 crtc->x, crtc->y); 3276 ret = ENOSPC; 3277 goto out; 3278 } 3279 3280 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3281 ret = ENOMEM; 3282 lockmgr(&dev->event_lock, LK_EXCLUSIVE); 3283 if (file_priv->event_space < sizeof e->event) { 3284 lockmgr(&dev->event_lock, LK_RELEASE); 3285 goto out; 3286 } 3287 file_priv->event_space -= sizeof e->event; 3288 lockmgr(&dev->event_lock, LK_RELEASE); 3289 3290 e = kmalloc(sizeof *e, DRM_MEM_KMS, M_WAITOK | M_ZERO); 3291 3292 e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 3293 e->event.base.length = sizeof e->event; 3294 e->event.user_data = page_flip->user_data; 3295 e->base.event = &e->event.base; 3296 e->base.file_priv = file_priv; 3297 e->base.destroy = 3298 (void (*) (struct drm_pending_event *))drm_kms_free; 3299 } 3300 3301 ret = -crtc->funcs->page_flip(crtc, fb, e); 3302 if (ret != 0) { 3303 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 3304 lockmgr(&dev->event_lock, LK_EXCLUSIVE); 3305 file_priv->event_space += sizeof e->event; 3306 lockmgr(&dev->event_lock, LK_RELEASE); 3307 drm_free(e, DRM_MEM_KMS); 3308 } 3309 } 3310 3311 out: 3312 lockmgr(&dev->mode_config.lock, LK_RELEASE); 3313 return (ret); 3314 } 3315 3316 void drm_mode_config_reset(struct drm_device *dev) 3317 { 3318 struct drm_crtc *crtc; 3319 struct drm_encoder *encoder; 3320 struct drm_connector *connector; 3321 3322 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 3323 if (crtc->funcs->reset) 3324 crtc->funcs->reset(crtc); 3325 3326 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 3327 if (encoder->funcs->reset) 3328 encoder->funcs->reset(encoder); 3329 3330 list_for_each_entry(connector, &dev->mode_config.connector_list, head) 3331 if (connector->funcs->reset) 3332 connector->funcs->reset(connector); 3333 } 3334 3335 int drm_mode_create_dumb_ioctl(struct drm_device *dev, 3336 void *data, struct drm_file *file_priv) 3337 { 3338 struct drm_mode_create_dumb *args = data; 3339 3340 if (!dev->driver->dumb_create) 3341 return -ENOTSUP; 3342 return dev->driver->dumb_create(file_priv, dev, args); 3343 } 3344 3345 int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 3346 void *data, struct drm_file *file_priv) 3347 { 3348 struct drm_mode_map_dumb *args = data; 3349 3350 /* call driver ioctl to get mmap offset */ 3351 if (!dev->driver->dumb_map_offset) 3352 return -ENOTSUP; 3353 3354 return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 3355 } 3356 3357 int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 3358 void *data, struct drm_file *file_priv) 3359 { 3360 struct drm_mode_destroy_dumb *args = data; 3361 3362 if (!dev->driver->dumb_destroy) 3363 return -ENOTSUP; 3364 3365 return dev->driver->dumb_destroy(file_priv, dev, args->handle); 3366 } 3367 3368 /* 3369 * Just need to support RGB formats here for compat with code that doesn't 3370 * use pixel formats directly yet. 3371 */ 3372 void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 3373 int *bpp) 3374 { 3375 switch (format) { 3376 case DRM_FORMAT_RGB332: 3377 case DRM_FORMAT_BGR233: 3378 *depth = 8; 3379 *bpp = 8; 3380 break; 3381 case DRM_FORMAT_XRGB1555: 3382 case DRM_FORMAT_XBGR1555: 3383 case DRM_FORMAT_RGBX5551: 3384 case DRM_FORMAT_BGRX5551: 3385 case DRM_FORMAT_ARGB1555: 3386 case DRM_FORMAT_ABGR1555: 3387 case DRM_FORMAT_RGBA5551: 3388 case DRM_FORMAT_BGRA5551: 3389 *depth = 15; 3390 *bpp = 16; 3391 break; 3392 case DRM_FORMAT_RGB565: 3393 case DRM_FORMAT_BGR565: 3394 *depth = 16; 3395 *bpp = 16; 3396 break; 3397 case DRM_FORMAT_RGB888: 3398 case DRM_FORMAT_BGR888: 3399 *depth = 24; 3400 *bpp = 24; 3401 break; 3402 case DRM_FORMAT_XRGB8888: 3403 case DRM_FORMAT_XBGR8888: 3404 case DRM_FORMAT_RGBX8888: 3405 case DRM_FORMAT_BGRX8888: 3406 *depth = 24; 3407 *bpp = 32; 3408 break; 3409 case DRM_FORMAT_XRGB2101010: 3410 case DRM_FORMAT_XBGR2101010: 3411 case DRM_FORMAT_RGBX1010102: 3412 case DRM_FORMAT_BGRX1010102: 3413 case DRM_FORMAT_ARGB2101010: 3414 case DRM_FORMAT_ABGR2101010: 3415 case DRM_FORMAT_RGBA1010102: 3416 case DRM_FORMAT_BGRA1010102: 3417 *depth = 30; 3418 *bpp = 32; 3419 break; 3420 case DRM_FORMAT_ARGB8888: 3421 case DRM_FORMAT_ABGR8888: 3422 case DRM_FORMAT_RGBA8888: 3423 case DRM_FORMAT_BGRA8888: 3424 *depth = 32; 3425 *bpp = 32; 3426 break; 3427 default: 3428 DRM_DEBUG_KMS("unsupported pixel format\n"); 3429 *depth = 0; 3430 *bpp = 0; 3431 break; 3432 } 3433 } 3434