xf86drmMode.c revision 6260e5d5
1/* 2 * \file xf86drmMode.c 3 * Header for DRM modesetting interface. 4 * 5 * \author Jakob Bornecrantz <wallbraker@gmail.com> 6 * 7 * \par Acknowledgements: 8 * Feb 2007, Dave Airlie <airlied@linux.ie> 9 */ 10 11/* 12 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas. 13 * Copyright (c) 2007-2008 Dave Airlie <airlied@linux.ie> 14 * Copyright (c) 2007-2008 Jakob Bornecrantz <wallbraker@gmail.com> 15 * 16 * Permission is hereby granted, free of charge, to any person obtaining a 17 * copy of this software and associated documentation files (the "Software"), 18 * to deal in the Software without restriction, including without limitation 19 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 20 * and/or sell copies of the Software, and to permit persons to whom the 21 * Software is furnished to do so, subject to the following conditions: 22 * 23 * The above copyright notice and this permission notice shall be included in 24 * all copies or substantial portions of the Software. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 27 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 28 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 29 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 30 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 31 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 32 * IN THE SOFTWARE. 33 * 34 */ 35 36/* 37 * TODO the types we are after are defined in different headers on different 38 * platforms find which headers to include to get uint32_t 39 */ 40 41#include <limits.h> 42#include <stdint.h> 43#include <stdlib.h> 44#include <sys/ioctl.h> 45#ifdef HAVE_SYS_SYSCTL_H 46#include <sys/sysctl.h> 47#endif 48#include <stdio.h> 49#include <stdbool.h> 50 51#include "libdrm_macros.h" 52#include "xf86drmMode.h" 53#include "xf86drm.h" 54#include <drm.h> 55#include <string.h> 56#include <dirent.h> 57#include <unistd.h> 58#include <errno.h> 59 60#define memclear(s) memset(&s, 0, sizeof(s)) 61 62#define U642VOID(x) ((void *)(unsigned long)(x)) 63#define VOID2U64(x) ((uint64_t)(unsigned long)(x)) 64 65static inline int DRM_IOCTL(int fd, unsigned long cmd, void *arg) 66{ 67 int ret = drmIoctl(fd, cmd, arg); 68 return ret < 0 ? -errno : ret; 69} 70 71/* 72 * Util functions 73 */ 74 75static void* drmAllocCpy(char *array, int count, int entry_size) 76{ 77 char *r; 78 int i; 79 80 if (!count || !array || !entry_size) 81 return 0; 82 83 if (!(r = drmMalloc(count*entry_size))) 84 return 0; 85 86 for (i = 0; i < count; i++) 87 memcpy(r+(entry_size*i), array+(entry_size*i), entry_size); 88 89 return r; 90} 91 92/* 93 * A couple of free functions. 94 */ 95 96drm_public void drmModeFreeModeInfo(drmModeModeInfoPtr ptr) 97{ 98 if (!ptr) 99 return; 100 101 drmFree(ptr); 102} 103 104drm_public void drmModeFreeResources(drmModeResPtr ptr) 105{ 106 if (!ptr) 107 return; 108 109 drmFree(ptr->fbs); 110 drmFree(ptr->crtcs); 111 drmFree(ptr->connectors); 112 drmFree(ptr->encoders); 113 drmFree(ptr); 114} 115 116drm_public void drmModeFreeFB(drmModeFBPtr ptr) 117{ 118 if (!ptr) 119 return; 120 121 /* we might add more frees later. */ 122 drmFree(ptr); 123} 124 125drm_public void drmModeFreeCrtc(drmModeCrtcPtr ptr) 126{ 127 if (!ptr) 128 return; 129 130 drmFree(ptr); 131} 132 133drm_public void drmModeFreeConnector(drmModeConnectorPtr ptr) 134{ 135 if (!ptr) 136 return; 137 138 drmFree(ptr->encoders); 139 drmFree(ptr->prop_values); 140 drmFree(ptr->props); 141 drmFree(ptr->modes); 142 drmFree(ptr); 143} 144 145drm_public void drmModeFreeEncoder(drmModeEncoderPtr ptr) 146{ 147 drmFree(ptr); 148} 149 150/* 151 * ModeSetting functions. 152 */ 153 154drm_public drmModeResPtr drmModeGetResources(int fd) 155{ 156 struct drm_mode_card_res res, counts; 157 drmModeResPtr r = 0; 158 159retry: 160 memclear(res); 161 if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) 162 return 0; 163 164 counts = res; 165 166 if (res.count_fbs) { 167 res.fb_id_ptr = VOID2U64(drmMalloc(res.count_fbs*sizeof(uint32_t))); 168 if (!res.fb_id_ptr) 169 goto err_allocs; 170 } 171 if (res.count_crtcs) { 172 res.crtc_id_ptr = VOID2U64(drmMalloc(res.count_crtcs*sizeof(uint32_t))); 173 if (!res.crtc_id_ptr) 174 goto err_allocs; 175 } 176 if (res.count_connectors) { 177 res.connector_id_ptr = VOID2U64(drmMalloc(res.count_connectors*sizeof(uint32_t))); 178 if (!res.connector_id_ptr) 179 goto err_allocs; 180 } 181 if (res.count_encoders) { 182 res.encoder_id_ptr = VOID2U64(drmMalloc(res.count_encoders*sizeof(uint32_t))); 183 if (!res.encoder_id_ptr) 184 goto err_allocs; 185 } 186 187 if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) 188 goto err_allocs; 189 190 /* The number of available connectors and etc may have changed with a 191 * hotplug event in between the ioctls, in which case the field is 192 * silently ignored by the kernel. 193 */ 194 if (counts.count_fbs < res.count_fbs || 195 counts.count_crtcs < res.count_crtcs || 196 counts.count_connectors < res.count_connectors || 197 counts.count_encoders < res.count_encoders) 198 { 199 drmFree(U642VOID(res.fb_id_ptr)); 200 drmFree(U642VOID(res.crtc_id_ptr)); 201 drmFree(U642VOID(res.connector_id_ptr)); 202 drmFree(U642VOID(res.encoder_id_ptr)); 203 204 goto retry; 205 } 206 207 /* 208 * return 209 */ 210 if (!(r = drmMalloc(sizeof(*r)))) 211 goto err_allocs; 212 213 r->min_width = res.min_width; 214 r->max_width = res.max_width; 215 r->min_height = res.min_height; 216 r->max_height = res.max_height; 217 r->count_fbs = res.count_fbs; 218 r->count_crtcs = res.count_crtcs; 219 r->count_connectors = res.count_connectors; 220 r->count_encoders = res.count_encoders; 221 222 r->fbs = drmAllocCpy(U642VOID(res.fb_id_ptr), res.count_fbs, sizeof(uint32_t)); 223 r->crtcs = drmAllocCpy(U642VOID(res.crtc_id_ptr), res.count_crtcs, sizeof(uint32_t)); 224 r->connectors = drmAllocCpy(U642VOID(res.connector_id_ptr), res.count_connectors, sizeof(uint32_t)); 225 r->encoders = drmAllocCpy(U642VOID(res.encoder_id_ptr), res.count_encoders, sizeof(uint32_t)); 226 if ((res.count_fbs && !r->fbs) || 227 (res.count_crtcs && !r->crtcs) || 228 (res.count_connectors && !r->connectors) || 229 (res.count_encoders && !r->encoders)) 230 { 231 drmFree(r->fbs); 232 drmFree(r->crtcs); 233 drmFree(r->connectors); 234 drmFree(r->encoders); 235 drmFree(r); 236 r = 0; 237 } 238 239err_allocs: 240 drmFree(U642VOID(res.fb_id_ptr)); 241 drmFree(U642VOID(res.crtc_id_ptr)); 242 drmFree(U642VOID(res.connector_id_ptr)); 243 drmFree(U642VOID(res.encoder_id_ptr)); 244 245 return r; 246} 247 248 249drm_public int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth, 250 uint8_t bpp, uint32_t pitch, uint32_t bo_handle, 251 uint32_t *buf_id) 252{ 253 struct drm_mode_fb_cmd f; 254 int ret; 255 256 memclear(f); 257 f.width = width; 258 f.height = height; 259 f.pitch = pitch; 260 f.bpp = bpp; 261 f.depth = depth; 262 f.handle = bo_handle; 263 264 if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB, &f))) 265 return ret; 266 267 *buf_id = f.fb_id; 268 return 0; 269} 270 271drm_public int drmModeAddFB2WithModifiers(int fd, uint32_t width, 272 uint32_t height, uint32_t pixel_format, const uint32_t bo_handles[4], 273 const uint32_t pitches[4], const uint32_t offsets[4], 274 const uint64_t modifier[4], uint32_t *buf_id, uint32_t flags) 275{ 276 struct drm_mode_fb_cmd2 f; 277 int ret; 278 279 memclear(f); 280 f.width = width; 281 f.height = height; 282 f.pixel_format = pixel_format; 283 f.flags = flags; 284 memcpy(f.handles, bo_handles, 4 * sizeof(bo_handles[0])); 285 memcpy(f.pitches, pitches, 4 * sizeof(pitches[0])); 286 memcpy(f.offsets, offsets, 4 * sizeof(offsets[0])); 287 if (modifier) 288 memcpy(f.modifier, modifier, 4 * sizeof(modifier[0])); 289 290 if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB2, &f))) 291 return ret; 292 293 *buf_id = f.fb_id; 294 return 0; 295} 296 297drm_public int drmModeAddFB2(int fd, uint32_t width, uint32_t height, 298 uint32_t pixel_format, const uint32_t bo_handles[4], 299 const uint32_t pitches[4], const uint32_t offsets[4], 300 uint32_t *buf_id, uint32_t flags) 301{ 302 return drmModeAddFB2WithModifiers(fd, width, height, 303 pixel_format, bo_handles, 304 pitches, offsets, NULL, 305 buf_id, flags); 306} 307 308drm_public int drmModeRmFB(int fd, uint32_t bufferId) 309{ 310 return DRM_IOCTL(fd, DRM_IOCTL_MODE_RMFB, &bufferId); 311} 312 313drm_public drmModeFBPtr drmModeGetFB(int fd, uint32_t buf) 314{ 315 struct drm_mode_fb_cmd info; 316 drmModeFBPtr r; 317 318 memclear(info); 319 info.fb_id = buf; 320 321 if (drmIoctl(fd, DRM_IOCTL_MODE_GETFB, &info)) 322 return NULL; 323 324 if (!(r = drmMalloc(sizeof(*r)))) 325 return NULL; 326 327 r->fb_id = info.fb_id; 328 r->width = info.width; 329 r->height = info.height; 330 r->pitch = info.pitch; 331 r->bpp = info.bpp; 332 r->handle = info.handle; 333 r->depth = info.depth; 334 335 return r; 336} 337 338drm_public int drmModeDirtyFB(int fd, uint32_t bufferId, 339 drmModeClipPtr clips, uint32_t num_clips) 340{ 341 struct drm_mode_fb_dirty_cmd dirty; 342 343 memclear(dirty); 344 dirty.fb_id = bufferId; 345 dirty.clips_ptr = VOID2U64(clips); 346 dirty.num_clips = num_clips; 347 348 return DRM_IOCTL(fd, DRM_IOCTL_MODE_DIRTYFB, &dirty); 349} 350 351/* 352 * Crtc functions 353 */ 354 355drm_public drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId) 356{ 357 struct drm_mode_crtc crtc; 358 drmModeCrtcPtr r; 359 360 memclear(crtc); 361 crtc.crtc_id = crtcId; 362 363 if (drmIoctl(fd, DRM_IOCTL_MODE_GETCRTC, &crtc)) 364 return 0; 365 366 /* 367 * return 368 */ 369 370 if (!(r = drmMalloc(sizeof(*r)))) 371 return 0; 372 373 r->crtc_id = crtc.crtc_id; 374 r->x = crtc.x; 375 r->y = crtc.y; 376 r->mode_valid = crtc.mode_valid; 377 if (r->mode_valid) { 378 memcpy(&r->mode, &crtc.mode, sizeof(struct drm_mode_modeinfo)); 379 r->width = crtc.mode.hdisplay; 380 r->height = crtc.mode.vdisplay; 381 } 382 r->buffer_id = crtc.fb_id; 383 r->gamma_size = crtc.gamma_size; 384 return r; 385} 386 387drm_public int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId, 388 uint32_t x, uint32_t y, uint32_t *connectors, int count, 389 drmModeModeInfoPtr mode) 390{ 391 struct drm_mode_crtc crtc; 392 393 memclear(crtc); 394 crtc.x = x; 395 crtc.y = y; 396 crtc.crtc_id = crtcId; 397 crtc.fb_id = bufferId; 398 crtc.set_connectors_ptr = VOID2U64(connectors); 399 crtc.count_connectors = count; 400 if (mode) { 401 memcpy(&crtc.mode, mode, sizeof(struct drm_mode_modeinfo)); 402 crtc.mode_valid = 1; 403 } 404 405 return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETCRTC, &crtc); 406} 407 408/* 409 * Cursor manipulation 410 */ 411 412drm_public int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, 413 uint32_t width, uint32_t height) 414{ 415 struct drm_mode_cursor arg; 416 417 memclear(arg); 418 arg.flags = DRM_MODE_CURSOR_BO; 419 arg.crtc_id = crtcId; 420 arg.width = width; 421 arg.height = height; 422 arg.handle = bo_handle; 423 424 return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR, &arg); 425} 426 427drm_public int drmModeSetCursor2(int fd, uint32_t crtcId, uint32_t bo_handle, 428 uint32_t width, uint32_t height, int32_t hot_x, 429 int32_t hot_y) 430{ 431 struct drm_mode_cursor2 arg; 432 433 memclear(arg); 434 arg.flags = DRM_MODE_CURSOR_BO; 435 arg.crtc_id = crtcId; 436 arg.width = width; 437 arg.height = height; 438 arg.handle = bo_handle; 439 arg.hot_x = hot_x; 440 arg.hot_y = hot_y; 441 442 return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR2, &arg); 443} 444 445drm_public int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y) 446{ 447 struct drm_mode_cursor arg; 448 449 memclear(arg); 450 arg.flags = DRM_MODE_CURSOR_MOVE; 451 arg.crtc_id = crtcId; 452 arg.x = x; 453 arg.y = y; 454 455 return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR, &arg); 456} 457 458/* 459 * Encoder get 460 */ 461drm_public drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id) 462{ 463 struct drm_mode_get_encoder enc; 464 drmModeEncoderPtr r = NULL; 465 466 memclear(enc); 467 enc.encoder_id = encoder_id; 468 469 if (drmIoctl(fd, DRM_IOCTL_MODE_GETENCODER, &enc)) 470 return 0; 471 472 if (!(r = drmMalloc(sizeof(*r)))) 473 return 0; 474 475 r->encoder_id = enc.encoder_id; 476 r->crtc_id = enc.crtc_id; 477 r->encoder_type = enc.encoder_type; 478 r->possible_crtcs = enc.possible_crtcs; 479 r->possible_clones = enc.possible_clones; 480 481 return r; 482} 483 484/* 485 * Connector manipulation 486 */ 487static drmModeConnectorPtr 488_drmModeGetConnector(int fd, uint32_t connector_id, int probe) 489{ 490 struct drm_mode_get_connector conn, counts; 491 drmModeConnectorPtr r = NULL; 492 struct drm_mode_modeinfo stack_mode; 493 494 memclear(conn); 495 conn.connector_id = connector_id; 496 if (!probe) { 497 conn.count_modes = 1; 498 conn.modes_ptr = VOID2U64(&stack_mode); 499 } 500 501 if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn)) 502 return 0; 503 504retry: 505 counts = conn; 506 507 if (conn.count_props) { 508 conn.props_ptr = VOID2U64(drmMalloc(conn.count_props*sizeof(uint32_t))); 509 if (!conn.props_ptr) 510 goto err_allocs; 511 conn.prop_values_ptr = VOID2U64(drmMalloc(conn.count_props*sizeof(uint64_t))); 512 if (!conn.prop_values_ptr) 513 goto err_allocs; 514 } 515 516 if (conn.count_modes) { 517 conn.modes_ptr = VOID2U64(drmMalloc(conn.count_modes*sizeof(struct drm_mode_modeinfo))); 518 if (!conn.modes_ptr) 519 goto err_allocs; 520 } else { 521 conn.count_modes = 1; 522 conn.modes_ptr = VOID2U64(&stack_mode); 523 } 524 525 if (conn.count_encoders) { 526 conn.encoders_ptr = VOID2U64(drmMalloc(conn.count_encoders*sizeof(uint32_t))); 527 if (!conn.encoders_ptr) 528 goto err_allocs; 529 } 530 531 if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn)) 532 goto err_allocs; 533 534 /* The number of available connectors and etc may have changed with a 535 * hotplug event in between the ioctls, in which case the field is 536 * silently ignored by the kernel. 537 */ 538 if (counts.count_props < conn.count_props || 539 counts.count_modes < conn.count_modes || 540 counts.count_encoders < conn.count_encoders) { 541 drmFree(U642VOID(conn.props_ptr)); 542 drmFree(U642VOID(conn.prop_values_ptr)); 543 if (U642VOID(conn.modes_ptr) != &stack_mode) 544 drmFree(U642VOID(conn.modes_ptr)); 545 drmFree(U642VOID(conn.encoders_ptr)); 546 547 goto retry; 548 } 549 550 if(!(r = drmMalloc(sizeof(*r)))) { 551 goto err_allocs; 552 } 553 554 r->connector_id = conn.connector_id; 555 r->encoder_id = conn.encoder_id; 556 r->connection = conn.connection; 557 r->mmWidth = conn.mm_width; 558 r->mmHeight = conn.mm_height; 559 /* convert subpixel from kernel to userspace */ 560 r->subpixel = conn.subpixel + 1; 561 r->count_modes = conn.count_modes; 562 r->count_props = conn.count_props; 563 r->props = drmAllocCpy(U642VOID(conn.props_ptr), conn.count_props, sizeof(uint32_t)); 564 r->prop_values = drmAllocCpy(U642VOID(conn.prop_values_ptr), conn.count_props, sizeof(uint64_t)); 565 r->modes = drmAllocCpy(U642VOID(conn.modes_ptr), conn.count_modes, sizeof(struct drm_mode_modeinfo)); 566 r->count_encoders = conn.count_encoders; 567 r->encoders = drmAllocCpy(U642VOID(conn.encoders_ptr), conn.count_encoders, sizeof(uint32_t)); 568 r->connector_type = conn.connector_type; 569 r->connector_type_id = conn.connector_type_id; 570 571 if ((r->count_props && !r->props) || 572 (r->count_props && !r->prop_values) || 573 (r->count_modes && !r->modes) || 574 (r->count_encoders && !r->encoders)) { 575 drmFree(r->props); 576 drmFree(r->prop_values); 577 drmFree(r->modes); 578 drmFree(r->encoders); 579 drmFree(r); 580 r = 0; 581 } 582 583err_allocs: 584 drmFree(U642VOID(conn.prop_values_ptr)); 585 drmFree(U642VOID(conn.props_ptr)); 586 if (U642VOID(conn.modes_ptr) != &stack_mode) 587 drmFree(U642VOID(conn.modes_ptr)); 588 drmFree(U642VOID(conn.encoders_ptr)); 589 590 return r; 591} 592 593drm_public drmModeConnectorPtr drmModeGetConnector(int fd, uint32_t connector_id) 594{ 595 return _drmModeGetConnector(fd, connector_id, 1); 596} 597 598drm_public drmModeConnectorPtr drmModeGetConnectorCurrent(int fd, uint32_t connector_id) 599{ 600 return _drmModeGetConnector(fd, connector_id, 0); 601} 602 603drm_public int drmModeAttachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info) 604{ 605 struct drm_mode_mode_cmd res; 606 607 memclear(res); 608 memcpy(&res.mode, mode_info, sizeof(struct drm_mode_modeinfo)); 609 res.connector_id = connector_id; 610 611 return DRM_IOCTL(fd, DRM_IOCTL_MODE_ATTACHMODE, &res); 612} 613 614drm_public int drmModeDetachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info) 615{ 616 struct drm_mode_mode_cmd res; 617 618 memclear(res); 619 memcpy(&res.mode, mode_info, sizeof(struct drm_mode_modeinfo)); 620 res.connector_id = connector_id; 621 622 return DRM_IOCTL(fd, DRM_IOCTL_MODE_DETACHMODE, &res); 623} 624 625drm_public drmModePropertyPtr drmModeGetProperty(int fd, uint32_t property_id) 626{ 627 struct drm_mode_get_property prop; 628 drmModePropertyPtr r; 629 630 memclear(prop); 631 prop.prop_id = property_id; 632 633 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPERTY, &prop)) 634 return 0; 635 636 if (prop.count_values) 637 prop.values_ptr = VOID2U64(drmMalloc(prop.count_values * sizeof(uint64_t))); 638 639 if (prop.count_enum_blobs && (prop.flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) 640 prop.enum_blob_ptr = VOID2U64(drmMalloc(prop.count_enum_blobs * sizeof(struct drm_mode_property_enum))); 641 642 if (prop.count_enum_blobs && (prop.flags & DRM_MODE_PROP_BLOB)) { 643 prop.values_ptr = VOID2U64(drmMalloc(prop.count_enum_blobs * sizeof(uint32_t))); 644 prop.enum_blob_ptr = VOID2U64(drmMalloc(prop.count_enum_blobs * sizeof(uint32_t))); 645 } 646 647 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPERTY, &prop)) { 648 r = NULL; 649 goto err_allocs; 650 } 651 652 if (!(r = drmMalloc(sizeof(*r)))) 653 return NULL; 654 655 r->prop_id = prop.prop_id; 656 r->count_values = prop.count_values; 657 658 r->flags = prop.flags; 659 if (prop.count_values) 660 r->values = drmAllocCpy(U642VOID(prop.values_ptr), prop.count_values, sizeof(uint64_t)); 661 if (prop.flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 662 r->count_enums = prop.count_enum_blobs; 663 r->enums = drmAllocCpy(U642VOID(prop.enum_blob_ptr), prop.count_enum_blobs, sizeof(struct drm_mode_property_enum)); 664 } else if (prop.flags & DRM_MODE_PROP_BLOB) { 665 r->values = drmAllocCpy(U642VOID(prop.values_ptr), prop.count_enum_blobs, sizeof(uint32_t)); 666 r->blob_ids = drmAllocCpy(U642VOID(prop.enum_blob_ptr), prop.count_enum_blobs, sizeof(uint32_t)); 667 r->count_blobs = prop.count_enum_blobs; 668 } 669 strncpy(r->name, prop.name, DRM_PROP_NAME_LEN); 670 r->name[DRM_PROP_NAME_LEN-1] = 0; 671 672err_allocs: 673 drmFree(U642VOID(prop.values_ptr)); 674 drmFree(U642VOID(prop.enum_blob_ptr)); 675 676 return r; 677} 678 679drm_public void drmModeFreeProperty(drmModePropertyPtr ptr) 680{ 681 if (!ptr) 682 return; 683 684 drmFree(ptr->values); 685 drmFree(ptr->enums); 686 drmFree(ptr); 687} 688 689drm_public drmModePropertyBlobPtr drmModeGetPropertyBlob(int fd, 690 uint32_t blob_id) 691{ 692 struct drm_mode_get_blob blob; 693 drmModePropertyBlobPtr r; 694 695 memclear(blob); 696 blob.blob_id = blob_id; 697 698 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob)) 699 return NULL; 700 701 if (blob.length) 702 blob.data = VOID2U64(drmMalloc(blob.length)); 703 704 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob)) { 705 r = NULL; 706 goto err_allocs; 707 } 708 709 if (!(r = drmMalloc(sizeof(*r)))) 710 goto err_allocs; 711 712 r->id = blob.blob_id; 713 r->length = blob.length; 714 r->data = drmAllocCpy(U642VOID(blob.data), 1, blob.length); 715 716err_allocs: 717 drmFree(U642VOID(blob.data)); 718 return r; 719} 720 721drm_public void drmModeFreePropertyBlob(drmModePropertyBlobPtr ptr) 722{ 723 if (!ptr) 724 return; 725 726 drmFree(ptr->data); 727 drmFree(ptr); 728} 729 730drm_public int drmModeConnectorSetProperty(int fd, uint32_t connector_id, 731 uint32_t property_id, 732 uint64_t value) 733{ 734 struct drm_mode_connector_set_property osp; 735 736 memclear(osp); 737 osp.connector_id = connector_id; 738 osp.prop_id = property_id; 739 osp.value = value; 740 741 return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETPROPERTY, &osp); 742} 743 744/* 745 * checks if a modesetting capable driver has attached to the pci id 746 * returns 0 if modesetting supported. 747 * -EINVAL or invalid bus id 748 * -ENOSYS if no modesetting support 749*/ 750drm_public int drmCheckModesettingSupported(const char *busid) 751{ 752#if defined (__linux__) 753 char pci_dev_dir[1024]; 754 int domain, bus, dev, func; 755 DIR *sysdir; 756 struct dirent *dent; 757 int found = 0, ret; 758 759 ret = sscanf(busid, "pci:%04x:%02x:%02x.%d", &domain, &bus, &dev, &func); 760 if (ret != 4) 761 return -EINVAL; 762 763 sprintf(pci_dev_dir, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/drm", 764 domain, bus, dev, func); 765 766 sysdir = opendir(pci_dev_dir); 767 if (sysdir) { 768 dent = readdir(sysdir); 769 while (dent) { 770 if (!strncmp(dent->d_name, "controlD", 8)) { 771 found = 1; 772 break; 773 } 774 775 dent = readdir(sysdir); 776 } 777 closedir(sysdir); 778 if (found) 779 return 0; 780 } 781 782 sprintf(pci_dev_dir, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/", 783 domain, bus, dev, func); 784 785 sysdir = opendir(pci_dev_dir); 786 if (!sysdir) 787 return -EINVAL; 788 789 dent = readdir(sysdir); 790 while (dent) { 791 if (!strncmp(dent->d_name, "drm:controlD", 12)) { 792 found = 1; 793 break; 794 } 795 796 dent = readdir(sysdir); 797 } 798 799 closedir(sysdir); 800 if (found) 801 return 0; 802#elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__) 803 char kbusid[1024], sbusid[1024]; 804 char oid[128]; 805 int domain, bus, dev, func; 806 int i, modesetting, ret; 807 size_t len; 808 809 ret = sscanf(busid, "pci:%04x:%02x:%02x.%d", &domain, &bus, &dev, 810 &func); 811 if (ret != 4) 812 return -EINVAL; 813 snprintf(kbusid, sizeof(kbusid), "pci:%04x:%02x:%02x.%d", domain, bus, 814 dev, func); 815 816 /* How many GPUs do we expect in the machine ? */ 817 for (i = 0; i < 16; i++) { 818 snprintf(oid, sizeof(oid), "hw.dri.%d.busid", i); 819 len = sizeof(sbusid); 820 ret = sysctlbyname(oid, sbusid, &len, NULL, 0); 821 if (ret == -1) { 822 if (errno == ENOENT) 823 continue; 824 return -EINVAL; 825 } 826 if (strcmp(sbusid, kbusid) != 0) 827 continue; 828 snprintf(oid, sizeof(oid), "hw.dri.%d.modesetting", i); 829 len = sizeof(modesetting); 830 ret = sysctlbyname(oid, &modesetting, &len, NULL, 0); 831 if (ret == -1 || len != sizeof(modesetting)) 832 return -EINVAL; 833 return (modesetting ? 0 : -ENOSYS); 834 } 835#elif defined(__DragonFly__) 836 return 0; 837#elif defined(__OpenBSD__) || defined(__NetBSD__) 838 int fd; 839 struct drm_mode_card_res res; 840 drmModeResPtr r = 0; 841 842 if ((fd = drmOpen(NULL, busid)) < 0) 843 return -EINVAL; 844 845 memset(&res, 0, sizeof(struct drm_mode_card_res)); 846 847 if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) { 848 drmClose(fd); 849 return -errno; 850 } 851 852 drmClose(fd); 853 return 0; 854#endif 855 return -ENOSYS; 856} 857 858drm_public int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size, 859 uint16_t *red, uint16_t *green, 860 uint16_t *blue) 861{ 862 struct drm_mode_crtc_lut l; 863 864 memclear(l); 865 l.crtc_id = crtc_id; 866 l.gamma_size = size; 867 l.red = VOID2U64(red); 868 l.green = VOID2U64(green); 869 l.blue = VOID2U64(blue); 870 871 return DRM_IOCTL(fd, DRM_IOCTL_MODE_GETGAMMA, &l); 872} 873 874drm_public int drmModeCrtcSetGamma(int fd, uint32_t crtc_id, uint32_t size, 875 uint16_t *red, uint16_t *green, 876 uint16_t *blue) 877{ 878 struct drm_mode_crtc_lut l; 879 880 memclear(l); 881 l.crtc_id = crtc_id; 882 l.gamma_size = size; 883 l.red = VOID2U64(red); 884 l.green = VOID2U64(green); 885 l.blue = VOID2U64(blue); 886 887 return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETGAMMA, &l); 888} 889 890drm_public int drmHandleEvent(int fd, drmEventContextPtr evctx) 891{ 892 char buffer[1024]; 893 int len, i; 894 struct drm_event *e; 895 struct drm_event_vblank *vblank; 896 struct drm_event_crtc_sequence *seq; 897 void *user_data; 898 899 /* The DRM read semantics guarantees that we always get only 900 * complete events. */ 901 902 len = read(fd, buffer, sizeof buffer); 903 if (len == 0) 904 return 0; 905 if (len < (int)sizeof *e) 906 return -1; 907 908 i = 0; 909 while (i < len) { 910 e = (struct drm_event *)(buffer + i); 911 switch (e->type) { 912 case DRM_EVENT_VBLANK: 913 if (evctx->version < 1 || 914 evctx->vblank_handler == NULL) 915 break; 916 vblank = (struct drm_event_vblank *) e; 917 evctx->vblank_handler(fd, 918 vblank->sequence, 919 vblank->tv_sec, 920 vblank->tv_usec, 921 U642VOID (vblank->user_data)); 922 break; 923 case DRM_EVENT_FLIP_COMPLETE: 924 vblank = (struct drm_event_vblank *) e; 925 user_data = U642VOID (vblank->user_data); 926 927 if (evctx->version >= 3 && evctx->page_flip_handler2) 928 evctx->page_flip_handler2(fd, 929 vblank->sequence, 930 vblank->tv_sec, 931 vblank->tv_usec, 932 vblank->crtc_id, 933 user_data); 934 else if (evctx->version >= 2 && evctx->page_flip_handler) 935 evctx->page_flip_handler(fd, 936 vblank->sequence, 937 vblank->tv_sec, 938 vblank->tv_usec, 939 user_data); 940 break; 941 case DRM_EVENT_CRTC_SEQUENCE: 942 seq = (struct drm_event_crtc_sequence *) e; 943 if (evctx->version >= 4 && evctx->sequence_handler) 944 evctx->sequence_handler(fd, 945 seq->sequence, 946 seq->time_ns, 947 seq->user_data); 948 break; 949 default: 950 break; 951 } 952 i += e->length; 953 } 954 955 return 0; 956} 957 958drm_public int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id, 959 uint32_t flags, void *user_data) 960{ 961 struct drm_mode_crtc_page_flip flip; 962 963 memclear(flip); 964 flip.fb_id = fb_id; 965 flip.crtc_id = crtc_id; 966 flip.user_data = VOID2U64(user_data); 967 flip.flags = flags; 968 969 return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip); 970} 971 972drm_public int drmModePageFlipTarget(int fd, uint32_t crtc_id, uint32_t fb_id, 973 uint32_t flags, void *user_data, 974 uint32_t target_vblank) 975{ 976 struct drm_mode_crtc_page_flip_target flip_target; 977 978 memclear(flip_target); 979 flip_target.fb_id = fb_id; 980 flip_target.crtc_id = crtc_id; 981 flip_target.user_data = VOID2U64(user_data); 982 flip_target.flags = flags; 983 flip_target.sequence = target_vblank; 984 985 return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip_target); 986} 987 988drm_public int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id, 989 uint32_t fb_id, uint32_t flags, 990 uint32_t crtc_x, uint32_t crtc_y, 991 uint32_t crtc_w, uint32_t crtc_h, 992 uint32_t src_x, uint32_t src_y, 993 uint32_t src_w, uint32_t src_h) 994{ 995 struct drm_mode_set_plane s; 996 997 memclear(s); 998 s.plane_id = plane_id; 999 s.crtc_id = crtc_id; 1000 s.fb_id = fb_id; 1001 s.flags = flags; 1002 s.crtc_x = crtc_x; 1003 s.crtc_y = crtc_y; 1004 s.crtc_w = crtc_w; 1005 s.crtc_h = crtc_h; 1006 s.src_x = src_x; 1007 s.src_y = src_y; 1008 s.src_w = src_w; 1009 s.src_h = src_h; 1010 1011 return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETPLANE, &s); 1012} 1013 1014drm_public drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id) 1015{ 1016 struct drm_mode_get_plane ovr, counts; 1017 drmModePlanePtr r = 0; 1018 1019retry: 1020 memclear(ovr); 1021 ovr.plane_id = plane_id; 1022 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANE, &ovr)) 1023 return 0; 1024 1025 counts = ovr; 1026 1027 if (ovr.count_format_types) { 1028 ovr.format_type_ptr = VOID2U64(drmMalloc(ovr.count_format_types * 1029 sizeof(uint32_t))); 1030 if (!ovr.format_type_ptr) 1031 goto err_allocs; 1032 } 1033 1034 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANE, &ovr)) 1035 goto err_allocs; 1036 1037 if (counts.count_format_types < ovr.count_format_types) { 1038 drmFree(U642VOID(ovr.format_type_ptr)); 1039 goto retry; 1040 } 1041 1042 if (!(r = drmMalloc(sizeof(*r)))) 1043 goto err_allocs; 1044 1045 r->count_formats = ovr.count_format_types; 1046 r->plane_id = ovr.plane_id; 1047 r->crtc_id = ovr.crtc_id; 1048 r->fb_id = ovr.fb_id; 1049 r->possible_crtcs = ovr.possible_crtcs; 1050 r->gamma_size = ovr.gamma_size; 1051 r->formats = drmAllocCpy(U642VOID(ovr.format_type_ptr), 1052 ovr.count_format_types, sizeof(uint32_t)); 1053 if (ovr.count_format_types && !r->formats) { 1054 drmFree(r->formats); 1055 drmFree(r); 1056 r = 0; 1057 } 1058 1059err_allocs: 1060 drmFree(U642VOID(ovr.format_type_ptr)); 1061 1062 return r; 1063} 1064 1065drm_public void drmModeFreePlane(drmModePlanePtr ptr) 1066{ 1067 if (!ptr) 1068 return; 1069 1070 drmFree(ptr->formats); 1071 drmFree(ptr); 1072} 1073 1074drm_public drmModePlaneResPtr drmModeGetPlaneResources(int fd) 1075{ 1076 struct drm_mode_get_plane_res res, counts; 1077 drmModePlaneResPtr r = 0; 1078 1079retry: 1080 memclear(res); 1081 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &res)) 1082 return 0; 1083 1084 counts = res; 1085 1086 if (res.count_planes) { 1087 res.plane_id_ptr = VOID2U64(drmMalloc(res.count_planes * 1088 sizeof(uint32_t))); 1089 if (!res.plane_id_ptr) 1090 goto err_allocs; 1091 } 1092 1093 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &res)) 1094 goto err_allocs; 1095 1096 if (counts.count_planes < res.count_planes) { 1097 drmFree(U642VOID(res.plane_id_ptr)); 1098 goto retry; 1099 } 1100 1101 if (!(r = drmMalloc(sizeof(*r)))) 1102 goto err_allocs; 1103 1104 r->count_planes = res.count_planes; 1105 r->planes = drmAllocCpy(U642VOID(res.plane_id_ptr), 1106 res.count_planes, sizeof(uint32_t)); 1107 if (res.count_planes && !r->planes) { 1108 drmFree(r->planes); 1109 drmFree(r); 1110 r = 0; 1111 } 1112 1113err_allocs: 1114 drmFree(U642VOID(res.plane_id_ptr)); 1115 1116 return r; 1117} 1118 1119drm_public void drmModeFreePlaneResources(drmModePlaneResPtr ptr) 1120{ 1121 if (!ptr) 1122 return; 1123 1124 drmFree(ptr->planes); 1125 drmFree(ptr); 1126} 1127 1128drm_public drmModeObjectPropertiesPtr drmModeObjectGetProperties(int fd, 1129 uint32_t object_id, 1130 uint32_t object_type) 1131{ 1132 struct drm_mode_obj_get_properties properties; 1133 drmModeObjectPropertiesPtr ret = NULL; 1134 uint32_t count; 1135 1136retry: 1137 memclear(properties); 1138 properties.obj_id = object_id; 1139 properties.obj_type = object_type; 1140 1141 if (drmIoctl(fd, DRM_IOCTL_MODE_OBJ_GETPROPERTIES, &properties)) 1142 return 0; 1143 1144 count = properties.count_props; 1145 1146 if (count) { 1147 properties.props_ptr = VOID2U64(drmMalloc(count * 1148 sizeof(uint32_t))); 1149 if (!properties.props_ptr) 1150 goto err_allocs; 1151 properties.prop_values_ptr = VOID2U64(drmMalloc(count * 1152 sizeof(uint64_t))); 1153 if (!properties.prop_values_ptr) 1154 goto err_allocs; 1155 } 1156 1157 if (drmIoctl(fd, DRM_IOCTL_MODE_OBJ_GETPROPERTIES, &properties)) 1158 goto err_allocs; 1159 1160 if (count < properties.count_props) { 1161 drmFree(U642VOID(properties.props_ptr)); 1162 drmFree(U642VOID(properties.prop_values_ptr)); 1163 goto retry; 1164 } 1165 count = properties.count_props; 1166 1167 ret = drmMalloc(sizeof(*ret)); 1168 if (!ret) 1169 goto err_allocs; 1170 1171 ret->count_props = count; 1172 ret->props = drmAllocCpy(U642VOID(properties.props_ptr), 1173 count, sizeof(uint32_t)); 1174 ret->prop_values = drmAllocCpy(U642VOID(properties.prop_values_ptr), 1175 count, sizeof(uint64_t)); 1176 if (ret->count_props && (!ret->props || !ret->prop_values)) { 1177 drmFree(ret->props); 1178 drmFree(ret->prop_values); 1179 drmFree(ret); 1180 ret = NULL; 1181 } 1182 1183err_allocs: 1184 drmFree(U642VOID(properties.props_ptr)); 1185 drmFree(U642VOID(properties.prop_values_ptr)); 1186 return ret; 1187} 1188 1189drm_public void drmModeFreeObjectProperties(drmModeObjectPropertiesPtr ptr) 1190{ 1191 if (!ptr) 1192 return; 1193 drmFree(ptr->props); 1194 drmFree(ptr->prop_values); 1195 drmFree(ptr); 1196} 1197 1198drm_public int drmModeObjectSetProperty(int fd, uint32_t object_id, uint32_t object_type, 1199 uint32_t property_id, uint64_t value) 1200{ 1201 struct drm_mode_obj_set_property prop; 1202 1203 memclear(prop); 1204 prop.value = value; 1205 prop.prop_id = property_id; 1206 prop.obj_id = object_id; 1207 prop.obj_type = object_type; 1208 1209 return DRM_IOCTL(fd, DRM_IOCTL_MODE_OBJ_SETPROPERTY, &prop); 1210} 1211 1212typedef struct _drmModeAtomicReqItem drmModeAtomicReqItem, *drmModeAtomicReqItemPtr; 1213 1214struct _drmModeAtomicReqItem { 1215 uint32_t object_id; 1216 uint32_t property_id; 1217 uint64_t value; 1218}; 1219 1220struct _drmModeAtomicReq { 1221 uint32_t cursor; 1222 uint32_t size_items; 1223 drmModeAtomicReqItemPtr items; 1224}; 1225 1226drm_public drmModeAtomicReqPtr drmModeAtomicAlloc(void) 1227{ 1228 drmModeAtomicReqPtr req; 1229 1230 req = drmMalloc(sizeof *req); 1231 if (!req) 1232 return NULL; 1233 1234 req->items = NULL; 1235 req->cursor = 0; 1236 req->size_items = 0; 1237 1238 return req; 1239} 1240 1241drm_public drmModeAtomicReqPtr drmModeAtomicDuplicate(drmModeAtomicReqPtr old) 1242{ 1243 drmModeAtomicReqPtr new; 1244 1245 if (!old) 1246 return NULL; 1247 1248 new = drmMalloc(sizeof *new); 1249 if (!new) 1250 return NULL; 1251 1252 new->cursor = old->cursor; 1253 new->size_items = old->size_items; 1254 1255 if (old->size_items) { 1256 new->items = drmMalloc(old->size_items * sizeof(*new->items)); 1257 if (!new->items) { 1258 free(new); 1259 return NULL; 1260 } 1261 memcpy(new->items, old->items, 1262 old->size_items * sizeof(*new->items)); 1263 } else { 1264 new->items = NULL; 1265 } 1266 1267 return new; 1268} 1269 1270drm_public int drmModeAtomicMerge(drmModeAtomicReqPtr base, 1271 drmModeAtomicReqPtr augment) 1272{ 1273 if (!base) 1274 return -EINVAL; 1275 1276 if (!augment || augment->cursor == 0) 1277 return 0; 1278 1279 if (base->cursor + augment->cursor >= base->size_items) { 1280 drmModeAtomicReqItemPtr new; 1281 int saved_size = base->size_items; 1282 1283 base->size_items = base->cursor + augment->cursor; 1284 new = realloc(base->items, 1285 base->size_items * sizeof(*base->items)); 1286 if (!new) { 1287 base->size_items = saved_size; 1288 return -ENOMEM; 1289 } 1290 base->items = new; 1291 } 1292 1293 memcpy(&base->items[base->cursor], augment->items, 1294 augment->cursor * sizeof(*augment->items)); 1295 base->cursor += augment->cursor; 1296 1297 return 0; 1298} 1299 1300drm_public int drmModeAtomicGetCursor(drmModeAtomicReqPtr req) 1301{ 1302 if (!req) 1303 return -EINVAL; 1304 return req->cursor; 1305} 1306 1307drm_public void drmModeAtomicSetCursor(drmModeAtomicReqPtr req, int cursor) 1308{ 1309 if (req) 1310 req->cursor = cursor; 1311} 1312 1313drm_public int drmModeAtomicAddProperty(drmModeAtomicReqPtr req, 1314 uint32_t object_id, 1315 uint32_t property_id, 1316 uint64_t value) 1317{ 1318 if (!req) 1319 return -EINVAL; 1320 1321 if (object_id == 0 || property_id == 0) 1322 return -EINVAL; 1323 1324 if (req->cursor >= req->size_items) { 1325 drmModeAtomicReqItemPtr new; 1326 1327 req->size_items += 16; 1328 new = realloc(req->items, req->size_items * sizeof(*req->items)); 1329 if (!new) { 1330 req->size_items -= 16; 1331 return -ENOMEM; 1332 } 1333 req->items = new; 1334 } 1335 1336 req->items[req->cursor].object_id = object_id; 1337 req->items[req->cursor].property_id = property_id; 1338 req->items[req->cursor].value = value; 1339 req->cursor++; 1340 1341 return req->cursor; 1342} 1343 1344drm_public void drmModeAtomicFree(drmModeAtomicReqPtr req) 1345{ 1346 if (!req) 1347 return; 1348 1349 if (req->items) 1350 drmFree(req->items); 1351 drmFree(req); 1352} 1353 1354static int sort_req_list(const void *misc, const void *other) 1355{ 1356 const drmModeAtomicReqItem *first = misc; 1357 const drmModeAtomicReqItem *second = other; 1358 1359 if (first->object_id < second->object_id) 1360 return -1; 1361 else if (first->object_id > second->object_id) 1362 return 1; 1363 else 1364 return second->property_id - first->property_id; 1365} 1366 1367drm_public int drmModeAtomicCommit(int fd, drmModeAtomicReqPtr req, 1368 uint32_t flags, void *user_data) 1369{ 1370 drmModeAtomicReqPtr sorted; 1371 struct drm_mode_atomic atomic; 1372 uint32_t *objs_ptr = NULL; 1373 uint32_t *count_props_ptr = NULL; 1374 uint32_t *props_ptr = NULL; 1375 uint64_t *prop_values_ptr = NULL; 1376 uint32_t last_obj_id = 0; 1377 uint32_t i; 1378 int obj_idx = -1; 1379 int ret = -1; 1380 1381 if (!req) 1382 return -EINVAL; 1383 1384 if (req->cursor == 0) 1385 return 0; 1386 1387 sorted = drmModeAtomicDuplicate(req); 1388 if (sorted == NULL) 1389 return -ENOMEM; 1390 1391 memclear(atomic); 1392 1393 /* Sort the list by object ID, then by property ID. */ 1394 qsort(sorted->items, sorted->cursor, sizeof(*sorted->items), 1395 sort_req_list); 1396 1397 /* Now the list is sorted, eliminate duplicate property sets. */ 1398 for (i = 0; i < sorted->cursor; i++) { 1399 if (sorted->items[i].object_id != last_obj_id) { 1400 atomic.count_objs++; 1401 last_obj_id = sorted->items[i].object_id; 1402 } 1403 1404 if (i == sorted->cursor - 1) 1405 continue; 1406 1407 if (sorted->items[i].object_id != sorted->items[i + 1].object_id || 1408 sorted->items[i].property_id != sorted->items[i + 1].property_id) 1409 continue; 1410 1411 memmove(&sorted->items[i], &sorted->items[i + 1], 1412 (sorted->cursor - i - 1) * sizeof(*sorted->items)); 1413 sorted->cursor--; 1414 } 1415 1416 objs_ptr = drmMalloc(atomic.count_objs * sizeof objs_ptr[0]); 1417 if (!objs_ptr) { 1418 errno = ENOMEM; 1419 goto out; 1420 } 1421 1422 count_props_ptr = drmMalloc(atomic.count_objs * sizeof count_props_ptr[0]); 1423 if (!count_props_ptr) { 1424 errno = ENOMEM; 1425 goto out; 1426 } 1427 1428 props_ptr = drmMalloc(sorted->cursor * sizeof props_ptr[0]); 1429 if (!props_ptr) { 1430 errno = ENOMEM; 1431 goto out; 1432 } 1433 1434 prop_values_ptr = drmMalloc(sorted->cursor * sizeof prop_values_ptr[0]); 1435 if (!prop_values_ptr) { 1436 errno = ENOMEM; 1437 goto out; 1438 } 1439 1440 for (i = 0, last_obj_id = 0; i < sorted->cursor; i++) { 1441 if (sorted->items[i].object_id != last_obj_id) { 1442 obj_idx++; 1443 objs_ptr[obj_idx] = sorted->items[i].object_id; 1444 last_obj_id = objs_ptr[obj_idx]; 1445 } 1446 1447 count_props_ptr[obj_idx]++; 1448 props_ptr[i] = sorted->items[i].property_id; 1449 prop_values_ptr[i] = sorted->items[i].value; 1450 1451 } 1452 1453 atomic.flags = flags; 1454 atomic.objs_ptr = VOID2U64(objs_ptr); 1455 atomic.count_props_ptr = VOID2U64(count_props_ptr); 1456 atomic.props_ptr = VOID2U64(props_ptr); 1457 atomic.prop_values_ptr = VOID2U64(prop_values_ptr); 1458 atomic.user_data = VOID2U64(user_data); 1459 1460 ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ATOMIC, &atomic); 1461 1462out: 1463 drmFree(objs_ptr); 1464 drmFree(count_props_ptr); 1465 drmFree(props_ptr); 1466 drmFree(prop_values_ptr); 1467 drmModeAtomicFree(sorted); 1468 1469 return ret; 1470} 1471 1472drm_public int 1473drmModeCreatePropertyBlob(int fd, const void *data, size_t length, 1474 uint32_t *id) 1475{ 1476 struct drm_mode_create_blob create; 1477 int ret; 1478 1479 if (length >= 0xffffffff) 1480 return -ERANGE; 1481 1482 memclear(create); 1483 1484 create.length = length; 1485 create.data = (uintptr_t) data; 1486 create.blob_id = 0; 1487 *id = 0; 1488 1489 ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &create); 1490 if (ret != 0) 1491 return ret; 1492 1493 *id = create.blob_id; 1494 return 0; 1495} 1496 1497drm_public int 1498drmModeDestroyPropertyBlob(int fd, uint32_t id) 1499{ 1500 struct drm_mode_destroy_blob destroy; 1501 1502 memclear(destroy); 1503 destroy.blob_id = id; 1504 return DRM_IOCTL(fd, DRM_IOCTL_MODE_DESTROYPROPBLOB, &destroy); 1505} 1506 1507drm_public int 1508drmModeCreateLease(int fd, const uint32_t *objects, int num_objects, int flags, 1509 uint32_t *lessee_id) 1510{ 1511 struct drm_mode_create_lease create; 1512 int ret; 1513 1514 memclear(create); 1515 create.object_ids = (uintptr_t) objects; 1516 create.object_count = num_objects; 1517 create.flags = flags; 1518 1519 ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_CREATE_LEASE, &create); 1520 if (ret == 0) { 1521 *lessee_id = create.lessee_id; 1522 return create.fd; 1523 } 1524 return -errno; 1525} 1526 1527drm_public drmModeLesseeListPtr 1528drmModeListLessees(int fd) 1529{ 1530 struct drm_mode_list_lessees list; 1531 uint32_t count; 1532 drmModeLesseeListPtr ret; 1533 1534 memclear(list); 1535 1536 if (DRM_IOCTL(fd, DRM_IOCTL_MODE_LIST_LESSEES, &list)) 1537 return NULL; 1538 1539 count = list.count_lessees; 1540 ret = drmMalloc(sizeof (drmModeLesseeListRes) + count * sizeof (ret->lessees[0])); 1541 if (!ret) 1542 return NULL; 1543 1544 list.lessees_ptr = VOID2U64(&ret->lessees[0]); 1545 if (DRM_IOCTL(fd, DRM_IOCTL_MODE_LIST_LESSEES, &list)) { 1546 drmFree(ret); 1547 return NULL; 1548 } 1549 1550 ret->count = count; 1551 return ret; 1552} 1553 1554drm_public drmModeObjectListPtr 1555drmModeGetLease(int fd) 1556{ 1557 struct drm_mode_get_lease get; 1558 uint32_t count; 1559 drmModeObjectListPtr ret; 1560 1561 memclear(get); 1562 1563 if (DRM_IOCTL(fd, DRM_IOCTL_MODE_GET_LEASE, &get)) 1564 return NULL; 1565 1566 count = get.count_objects; 1567 ret = drmMalloc(sizeof (drmModeObjectListRes) + count * sizeof (ret->objects[0])); 1568 if (!ret) 1569 return NULL; 1570 1571 get.objects_ptr = VOID2U64(&ret->objects[0]); 1572 if (DRM_IOCTL(fd, DRM_IOCTL_MODE_GET_LEASE, &get)) { 1573 drmFree(ret); 1574 return NULL; 1575 } 1576 1577 ret->count = count; 1578 return ret; 1579} 1580 1581drm_public int 1582drmModeRevokeLease(int fd, uint32_t lessee_id) 1583{ 1584 struct drm_mode_revoke_lease revoke; 1585 int ret; 1586 1587 memclear(revoke); 1588 1589 revoke.lessee_id = lessee_id; 1590 1591 ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_REVOKE_LEASE, &revoke); 1592 if (ret == 0) 1593 return 0; 1594 return -errno; 1595} 1596