xf86drmMode.c revision 2b90624a
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#ifdef HAVE_CONFIG_H 42#include "config.h" 43#endif 44 45#include <limits.h> 46#include <stdint.h> 47#include <stdlib.h> 48#include <sys/ioctl.h> 49#ifdef HAVE_SYS_SYSCTL_H 50#include <sys/sysctl.h> 51#endif 52#include <stdio.h> 53#include <stdbool.h> 54 55#include "xf86drmMode.h" 56#include "xf86drm.h" 57#include <drm.h> 58#include <string.h> 59#include <dirent.h> 60#include <unistd.h> 61#include <errno.h> 62 63#define memclear(s) memset(&s, 0, sizeof(s)) 64 65#define U642VOID(x) ((void *)(unsigned long)(x)) 66#define VOID2U64(x) ((uint64_t)(unsigned long)(x)) 67 68static inline int DRM_IOCTL(int fd, unsigned long cmd, void *arg) 69{ 70 int ret = drmIoctl(fd, cmd, arg); 71 return ret < 0 ? -errno : ret; 72} 73 74/* 75 * Util functions 76 */ 77 78static void* drmAllocCpy(char *array, int count, int entry_size) 79{ 80 char *r; 81 int i; 82 83 if (!count || !array || !entry_size) 84 return 0; 85 86 if (!(r = drmMalloc(count*entry_size))) 87 return 0; 88 89 for (i = 0; i < count; i++) 90 memcpy(r+(entry_size*i), array+(entry_size*i), entry_size); 91 92 return r; 93} 94 95/* 96 * A couple of free functions. 97 */ 98 99void drmModeFreeModeInfo(drmModeModeInfoPtr ptr) 100{ 101 if (!ptr) 102 return; 103 104 drmFree(ptr); 105} 106 107void drmModeFreeResources(drmModeResPtr ptr) 108{ 109 if (!ptr) 110 return; 111 112 drmFree(ptr->fbs); 113 drmFree(ptr->crtcs); 114 drmFree(ptr->connectors); 115 drmFree(ptr->encoders); 116 drmFree(ptr); 117} 118 119void drmModeFreeFB(drmModeFBPtr ptr) 120{ 121 if (!ptr) 122 return; 123 124 /* we might add more frees later. */ 125 drmFree(ptr); 126} 127 128void drmModeFreeCrtc(drmModeCrtcPtr ptr) 129{ 130 if (!ptr) 131 return; 132 133 drmFree(ptr); 134} 135 136void drmModeFreeConnector(drmModeConnectorPtr ptr) 137{ 138 if (!ptr) 139 return; 140 141 drmFree(ptr->encoders); 142 drmFree(ptr->prop_values); 143 drmFree(ptr->props); 144 drmFree(ptr->modes); 145 drmFree(ptr); 146} 147 148void drmModeFreeEncoder(drmModeEncoderPtr ptr) 149{ 150 drmFree(ptr); 151} 152 153/* 154 * ModeSetting functions. 155 */ 156 157drmModeResPtr drmModeGetResources(int fd) 158{ 159 struct drm_mode_card_res res, counts; 160 drmModeResPtr r = 0; 161 162retry: 163 memclear(res); 164 if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) 165 return 0; 166 167 counts = res; 168 169 if (res.count_fbs) { 170 res.fb_id_ptr = VOID2U64(drmMalloc(res.count_fbs*sizeof(uint32_t))); 171 if (!res.fb_id_ptr) 172 goto err_allocs; 173 } 174 if (res.count_crtcs) { 175 res.crtc_id_ptr = VOID2U64(drmMalloc(res.count_crtcs*sizeof(uint32_t))); 176 if (!res.crtc_id_ptr) 177 goto err_allocs; 178 } 179 if (res.count_connectors) { 180 res.connector_id_ptr = VOID2U64(drmMalloc(res.count_connectors*sizeof(uint32_t))); 181 if (!res.connector_id_ptr) 182 goto err_allocs; 183 } 184 if (res.count_encoders) { 185 res.encoder_id_ptr = VOID2U64(drmMalloc(res.count_encoders*sizeof(uint32_t))); 186 if (!res.encoder_id_ptr) 187 goto err_allocs; 188 } 189 190 if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) 191 goto err_allocs; 192 193 /* The number of available connectors and etc may have changed with a 194 * hotplug event in between the ioctls, in which case the field is 195 * silently ignored by the kernel. 196 */ 197 if (counts.count_fbs < res.count_fbs || 198 counts.count_crtcs < res.count_crtcs || 199 counts.count_connectors < res.count_connectors || 200 counts.count_encoders < res.count_encoders) 201 { 202 drmFree(U642VOID(res.fb_id_ptr)); 203 drmFree(U642VOID(res.crtc_id_ptr)); 204 drmFree(U642VOID(res.connector_id_ptr)); 205 drmFree(U642VOID(res.encoder_id_ptr)); 206 207 goto retry; 208 } 209 210 /* 211 * return 212 */ 213 if (!(r = drmMalloc(sizeof(*r)))) 214 goto err_allocs; 215 216 r->min_width = res.min_width; 217 r->max_width = res.max_width; 218 r->min_height = res.min_height; 219 r->max_height = res.max_height; 220 r->count_fbs = res.count_fbs; 221 r->count_crtcs = res.count_crtcs; 222 r->count_connectors = res.count_connectors; 223 r->count_encoders = res.count_encoders; 224 225 r->fbs = drmAllocCpy(U642VOID(res.fb_id_ptr), res.count_fbs, sizeof(uint32_t)); 226 r->crtcs = drmAllocCpy(U642VOID(res.crtc_id_ptr), res.count_crtcs, sizeof(uint32_t)); 227 r->connectors = drmAllocCpy(U642VOID(res.connector_id_ptr), res.count_connectors, sizeof(uint32_t)); 228 r->encoders = drmAllocCpy(U642VOID(res.encoder_id_ptr), res.count_encoders, sizeof(uint32_t)); 229 if ((res.count_fbs && !r->fbs) || 230 (res.count_crtcs && !r->crtcs) || 231 (res.count_connectors && !r->connectors) || 232 (res.count_encoders && !r->encoders)) 233 { 234 drmFree(r->fbs); 235 drmFree(r->crtcs); 236 drmFree(r->connectors); 237 drmFree(r->encoders); 238 drmFree(r); 239 r = 0; 240 } 241 242err_allocs: 243 drmFree(U642VOID(res.fb_id_ptr)); 244 drmFree(U642VOID(res.crtc_id_ptr)); 245 drmFree(U642VOID(res.connector_id_ptr)); 246 drmFree(U642VOID(res.encoder_id_ptr)); 247 248 return r; 249} 250 251int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth, 252 uint8_t bpp, uint32_t pitch, uint32_t bo_handle, 253 uint32_t *buf_id) 254{ 255 struct drm_mode_fb_cmd f; 256 int ret; 257 258 memclear(f); 259 f.width = width; 260 f.height = height; 261 f.pitch = pitch; 262 f.bpp = bpp; 263 f.depth = depth; 264 f.handle = bo_handle; 265 266 if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB, &f))) 267 return ret; 268 269 *buf_id = f.fb_id; 270 return 0; 271} 272 273int drmModeAddFB2WithModifiers(int fd, uint32_t width, uint32_t height, 274 uint32_t pixel_format, const uint32_t bo_handles[4], 275 const uint32_t pitches[4], const uint32_t offsets[4], 276 const uint64_t modifier[4], uint32_t *buf_id, uint32_t flags) 277{ 278 struct drm_mode_fb_cmd2 f; 279 int ret; 280 281 memclear(f); 282 f.width = width; 283 f.height = height; 284 f.pixel_format = pixel_format; 285 f.flags = flags; 286 memcpy(f.handles, bo_handles, 4 * sizeof(bo_handles[0])); 287 memcpy(f.pitches, pitches, 4 * sizeof(pitches[0])); 288 memcpy(f.offsets, offsets, 4 * sizeof(offsets[0])); 289 if (modifier) 290 memcpy(f.modifier, modifier, 4 * sizeof(modifier[0])); 291 292 if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB2, &f))) 293 return ret; 294 295 *buf_id = f.fb_id; 296 return 0; 297} 298 299int drmModeAddFB2(int fd, uint32_t width, uint32_t height, 300 uint32_t pixel_format, const uint32_t bo_handles[4], 301 const uint32_t pitches[4], const uint32_t offsets[4], 302 uint32_t *buf_id, uint32_t flags) 303{ 304 return drmModeAddFB2WithModifiers(fd, width, height, 305 pixel_format, bo_handles, 306 pitches, offsets, NULL, 307 buf_id, flags); 308} 309 310int drmModeRmFB(int fd, uint32_t bufferId) 311{ 312 return DRM_IOCTL(fd, DRM_IOCTL_MODE_RMFB, &bufferId); 313} 314 315drmModeFBPtr drmModeGetFB(int fd, uint32_t buf) 316{ 317 struct drm_mode_fb_cmd info; 318 drmModeFBPtr r; 319 320 memclear(info); 321 info.fb_id = buf; 322 323 if (drmIoctl(fd, DRM_IOCTL_MODE_GETFB, &info)) 324 return NULL; 325 326 if (!(r = drmMalloc(sizeof(*r)))) 327 return NULL; 328 329 r->fb_id = info.fb_id; 330 r->width = info.width; 331 r->height = info.height; 332 r->pitch = info.pitch; 333 r->bpp = info.bpp; 334 r->handle = info.handle; 335 r->depth = info.depth; 336 337 return r; 338} 339 340int drmModeDirtyFB(int fd, uint32_t bufferId, 341 drmModeClipPtr clips, uint32_t num_clips) 342{ 343 struct drm_mode_fb_dirty_cmd dirty; 344 345 memclear(dirty); 346 dirty.fb_id = bufferId; 347 dirty.clips_ptr = VOID2U64(clips); 348 dirty.num_clips = num_clips; 349 350 return DRM_IOCTL(fd, DRM_IOCTL_MODE_DIRTYFB, &dirty); 351} 352 353/* 354 * Crtc functions 355 */ 356 357drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId) 358{ 359 struct drm_mode_crtc crtc; 360 drmModeCrtcPtr r; 361 362 memclear(crtc); 363 crtc.crtc_id = crtcId; 364 365 if (drmIoctl(fd, DRM_IOCTL_MODE_GETCRTC, &crtc)) 366 return 0; 367 368 /* 369 * return 370 */ 371 372 if (!(r = drmMalloc(sizeof(*r)))) 373 return 0; 374 375 r->crtc_id = crtc.crtc_id; 376 r->x = crtc.x; 377 r->y = crtc.y; 378 r->mode_valid = crtc.mode_valid; 379 if (r->mode_valid) { 380 memcpy(&r->mode, &crtc.mode, sizeof(struct drm_mode_modeinfo)); 381 r->width = crtc.mode.hdisplay; 382 r->height = crtc.mode.vdisplay; 383 } 384 r->buffer_id = crtc.fb_id; 385 r->gamma_size = crtc.gamma_size; 386 return r; 387} 388 389int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId, 390 uint32_t x, uint32_t y, uint32_t *connectors, int count, 391 drmModeModeInfoPtr mode) 392{ 393 struct drm_mode_crtc crtc; 394 395 memclear(crtc); 396 crtc.x = x; 397 crtc.y = y; 398 crtc.crtc_id = crtcId; 399 crtc.fb_id = bufferId; 400 crtc.set_connectors_ptr = VOID2U64(connectors); 401 crtc.count_connectors = count; 402 if (mode) { 403 memcpy(&crtc.mode, mode, sizeof(struct drm_mode_modeinfo)); 404 crtc.mode_valid = 1; 405 } 406 407 return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETCRTC, &crtc); 408} 409 410/* 411 * Cursor manipulation 412 */ 413 414int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height) 415{ 416 struct drm_mode_cursor arg; 417 418 memclear(arg); 419 arg.flags = DRM_MODE_CURSOR_BO; 420 arg.crtc_id = crtcId; 421 arg.width = width; 422 arg.height = height; 423 arg.handle = bo_handle; 424 425 return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR, &arg); 426} 427 428int drmModeSetCursor2(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y) 429{ 430 struct drm_mode_cursor2 arg; 431 432 memclear(arg); 433 arg.flags = DRM_MODE_CURSOR_BO; 434 arg.crtc_id = crtcId; 435 arg.width = width; 436 arg.height = height; 437 arg.handle = bo_handle; 438 arg.hot_x = hot_x; 439 arg.hot_y = hot_y; 440 441 return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR2, &arg); 442} 443 444int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y) 445{ 446 struct drm_mode_cursor arg; 447 448 memclear(arg); 449 arg.flags = DRM_MODE_CURSOR_MOVE; 450 arg.crtc_id = crtcId; 451 arg.x = x; 452 arg.y = y; 453 454 return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR, &arg); 455} 456 457/* 458 * Encoder get 459 */ 460drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id) 461{ 462 struct drm_mode_get_encoder enc; 463 drmModeEncoderPtr r = NULL; 464 465 memclear(enc); 466 enc.encoder_id = encoder_id; 467 468 if (drmIoctl(fd, DRM_IOCTL_MODE_GETENCODER, &enc)) 469 return 0; 470 471 if (!(r = drmMalloc(sizeof(*r)))) 472 return 0; 473 474 r->encoder_id = enc.encoder_id; 475 r->crtc_id = enc.crtc_id; 476 r->encoder_type = enc.encoder_type; 477 r->possible_crtcs = enc.possible_crtcs; 478 r->possible_clones = enc.possible_clones; 479 480 return r; 481} 482 483/* 484 * Connector manipulation 485 */ 486static drmModeConnectorPtr 487_drmModeGetConnector(int fd, uint32_t connector_id, int probe) 488{ 489 struct drm_mode_get_connector conn, counts; 490 drmModeConnectorPtr r = NULL; 491 struct drm_mode_modeinfo stack_mode; 492 493 memclear(conn); 494 conn.connector_id = connector_id; 495 if (!probe) { 496 conn.count_modes = 1; 497 conn.modes_ptr = VOID2U64(&stack_mode); 498 } 499 500 if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn)) 501 return 0; 502 503retry: 504 counts = conn; 505 506 if (conn.count_props) { 507 conn.props_ptr = VOID2U64(drmMalloc(conn.count_props*sizeof(uint32_t))); 508 if (!conn.props_ptr) 509 goto err_allocs; 510 conn.prop_values_ptr = VOID2U64(drmMalloc(conn.count_props*sizeof(uint64_t))); 511 if (!conn.prop_values_ptr) 512 goto err_allocs; 513 } 514 515 if (conn.count_modes) { 516 conn.modes_ptr = VOID2U64(drmMalloc(conn.count_modes*sizeof(struct drm_mode_modeinfo))); 517 if (!conn.modes_ptr) 518 goto err_allocs; 519 } else { 520 conn.count_modes = 1; 521 conn.modes_ptr = VOID2U64(&stack_mode); 522 } 523 524 if (conn.count_encoders) { 525 conn.encoders_ptr = VOID2U64(drmMalloc(conn.count_encoders*sizeof(uint32_t))); 526 if (!conn.encoders_ptr) 527 goto err_allocs; 528 } 529 530 if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn)) 531 goto err_allocs; 532 533 /* The number of available connectors and etc may have changed with a 534 * hotplug event in between the ioctls, in which case the field is 535 * silently ignored by the kernel. 536 */ 537 if (counts.count_props < conn.count_props || 538 counts.count_modes < conn.count_modes || 539 counts.count_encoders < conn.count_encoders) { 540 drmFree(U642VOID(conn.props_ptr)); 541 drmFree(U642VOID(conn.prop_values_ptr)); 542 if (U642VOID(conn.modes_ptr) != &stack_mode) 543 drmFree(U642VOID(conn.modes_ptr)); 544 drmFree(U642VOID(conn.encoders_ptr)); 545 546 goto retry; 547 } 548 549 if(!(r = drmMalloc(sizeof(*r)))) { 550 goto err_allocs; 551 } 552 553 r->connector_id = conn.connector_id; 554 r->encoder_id = conn.encoder_id; 555 r->connection = conn.connection; 556 r->mmWidth = conn.mm_width; 557 r->mmHeight = conn.mm_height; 558 /* convert subpixel from kernel to userspace */ 559 r->subpixel = conn.subpixel + 1; 560 r->count_modes = conn.count_modes; 561 r->count_props = conn.count_props; 562 r->props = drmAllocCpy(U642VOID(conn.props_ptr), conn.count_props, sizeof(uint32_t)); 563 r->prop_values = drmAllocCpy(U642VOID(conn.prop_values_ptr), conn.count_props, sizeof(uint64_t)); 564 r->modes = drmAllocCpy(U642VOID(conn.modes_ptr), conn.count_modes, sizeof(struct drm_mode_modeinfo)); 565 r->count_encoders = conn.count_encoders; 566 r->encoders = drmAllocCpy(U642VOID(conn.encoders_ptr), conn.count_encoders, sizeof(uint32_t)); 567 r->connector_type = conn.connector_type; 568 r->connector_type_id = conn.connector_type_id; 569 570 if ((r->count_props && !r->props) || 571 (r->count_props && !r->prop_values) || 572 (r->count_modes && !r->modes) || 573 (r->count_encoders && !r->encoders)) { 574 drmFree(r->props); 575 drmFree(r->prop_values); 576 drmFree(r->modes); 577 drmFree(r->encoders); 578 drmFree(r); 579 r = 0; 580 } 581 582err_allocs: 583 drmFree(U642VOID(conn.prop_values_ptr)); 584 drmFree(U642VOID(conn.props_ptr)); 585 if (U642VOID(conn.modes_ptr) != &stack_mode) 586 drmFree(U642VOID(conn.modes_ptr)); 587 drmFree(U642VOID(conn.encoders_ptr)); 588 589 return r; 590} 591 592drmModeConnectorPtr drmModeGetConnector(int fd, uint32_t connector_id) 593{ 594 return _drmModeGetConnector(fd, connector_id, 1); 595} 596 597drmModeConnectorPtr drmModeGetConnectorCurrent(int fd, uint32_t connector_id) 598{ 599 return _drmModeGetConnector(fd, connector_id, 0); 600} 601 602int drmModeAttachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info) 603{ 604 struct drm_mode_mode_cmd res; 605 606 memclear(res); 607 memcpy(&res.mode, mode_info, sizeof(struct drm_mode_modeinfo)); 608 res.connector_id = connector_id; 609 610 return DRM_IOCTL(fd, DRM_IOCTL_MODE_ATTACHMODE, &res); 611} 612 613int drmModeDetachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info) 614{ 615 struct drm_mode_mode_cmd res; 616 617 memclear(res); 618 memcpy(&res.mode, mode_info, sizeof(struct drm_mode_modeinfo)); 619 res.connector_id = connector_id; 620 621 return DRM_IOCTL(fd, DRM_IOCTL_MODE_DETACHMODE, &res); 622} 623 624drmModePropertyPtr drmModeGetProperty(int fd, uint32_t property_id) 625{ 626 struct drm_mode_get_property prop; 627 drmModePropertyPtr r; 628 629 memclear(prop); 630 prop.prop_id = property_id; 631 632 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPERTY, &prop)) 633 return 0; 634 635 if (prop.count_values) 636 prop.values_ptr = VOID2U64(drmMalloc(prop.count_values * sizeof(uint64_t))); 637 638 if (prop.count_enum_blobs && (prop.flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) 639 prop.enum_blob_ptr = VOID2U64(drmMalloc(prop.count_enum_blobs * sizeof(struct drm_mode_property_enum))); 640 641 if (prop.count_enum_blobs && (prop.flags & DRM_MODE_PROP_BLOB)) { 642 prop.values_ptr = VOID2U64(drmMalloc(prop.count_enum_blobs * sizeof(uint32_t))); 643 prop.enum_blob_ptr = VOID2U64(drmMalloc(prop.count_enum_blobs * sizeof(uint32_t))); 644 } 645 646 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPERTY, &prop)) { 647 r = NULL; 648 goto err_allocs; 649 } 650 651 if (!(r = drmMalloc(sizeof(*r)))) 652 return NULL; 653 654 r->prop_id = prop.prop_id; 655 r->count_values = prop.count_values; 656 657 r->flags = prop.flags; 658 if (prop.count_values) 659 r->values = drmAllocCpy(U642VOID(prop.values_ptr), prop.count_values, sizeof(uint64_t)); 660 if (prop.flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { 661 r->count_enums = prop.count_enum_blobs; 662 r->enums = drmAllocCpy(U642VOID(prop.enum_blob_ptr), prop.count_enum_blobs, sizeof(struct drm_mode_property_enum)); 663 } else if (prop.flags & DRM_MODE_PROP_BLOB) { 664 r->values = drmAllocCpy(U642VOID(prop.values_ptr), prop.count_enum_blobs, sizeof(uint32_t)); 665 r->blob_ids = drmAllocCpy(U642VOID(prop.enum_blob_ptr), prop.count_enum_blobs, sizeof(uint32_t)); 666 r->count_blobs = prop.count_enum_blobs; 667 } 668 strncpy(r->name, prop.name, DRM_PROP_NAME_LEN); 669 r->name[DRM_PROP_NAME_LEN-1] = 0; 670 671err_allocs: 672 drmFree(U642VOID(prop.values_ptr)); 673 drmFree(U642VOID(prop.enum_blob_ptr)); 674 675 return r; 676} 677 678void drmModeFreeProperty(drmModePropertyPtr ptr) 679{ 680 if (!ptr) 681 return; 682 683 drmFree(ptr->values); 684 drmFree(ptr->enums); 685 drmFree(ptr); 686} 687 688drmModePropertyBlobPtr drmModeGetPropertyBlob(int fd, uint32_t blob_id) 689{ 690 struct drm_mode_get_blob blob; 691 drmModePropertyBlobPtr r; 692 693 memclear(blob); 694 blob.blob_id = blob_id; 695 696 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob)) 697 return NULL; 698 699 if (blob.length) 700 blob.data = VOID2U64(drmMalloc(blob.length)); 701 702 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob)) { 703 r = NULL; 704 goto err_allocs; 705 } 706 707 if (!(r = drmMalloc(sizeof(*r)))) 708 goto err_allocs; 709 710 r->id = blob.blob_id; 711 r->length = blob.length; 712 r->data = drmAllocCpy(U642VOID(blob.data), 1, blob.length); 713 714err_allocs: 715 drmFree(U642VOID(blob.data)); 716 return r; 717} 718 719void drmModeFreePropertyBlob(drmModePropertyBlobPtr ptr) 720{ 721 if (!ptr) 722 return; 723 724 drmFree(ptr->data); 725 drmFree(ptr); 726} 727 728int drmModeConnectorSetProperty(int fd, uint32_t connector_id, uint32_t property_id, 729 uint64_t value) 730{ 731 struct drm_mode_connector_set_property osp; 732 733 memclear(osp); 734 osp.connector_id = connector_id; 735 osp.prop_id = property_id; 736 osp.value = value; 737 738 return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETPROPERTY, &osp); 739} 740 741/* 742 * checks if a modesetting capable driver has attached to the pci id 743 * returns 0 if modesetting supported. 744 * -EINVAL or invalid bus id 745 * -ENOSYS if no modesetting support 746*/ 747int drmCheckModesettingSupported(const char *busid) 748{ 749#if defined (__linux__) 750 char pci_dev_dir[1024]; 751 int domain, bus, dev, func; 752 DIR *sysdir; 753 struct dirent *dent; 754 int found = 0, ret; 755 756 ret = sscanf(busid, "pci:%04x:%02x:%02x.%d", &domain, &bus, &dev, &func); 757 if (ret != 4) 758 return -EINVAL; 759 760 sprintf(pci_dev_dir, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/drm", 761 domain, bus, dev, func); 762 763 sysdir = opendir(pci_dev_dir); 764 if (sysdir) { 765 dent = readdir(sysdir); 766 while (dent) { 767 if (!strncmp(dent->d_name, "controlD", 8)) { 768 found = 1; 769 break; 770 } 771 772 dent = readdir(sysdir); 773 } 774 closedir(sysdir); 775 if (found) 776 return 0; 777 } 778 779 sprintf(pci_dev_dir, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/", 780 domain, bus, dev, func); 781 782 sysdir = opendir(pci_dev_dir); 783 if (!sysdir) 784 return -EINVAL; 785 786 dent = readdir(sysdir); 787 while (dent) { 788 if (!strncmp(dent->d_name, "drm:controlD", 12)) { 789 found = 1; 790 break; 791 } 792 793 dent = readdir(sysdir); 794 } 795 796 closedir(sysdir); 797 if (found) 798 return 0; 799#elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__) 800 char kbusid[1024], sbusid[1024]; 801 char oid[128]; 802 int domain, bus, dev, func; 803 int i, modesetting, ret; 804 size_t len; 805 806 ret = sscanf(busid, "pci:%04x:%02x:%02x.%d", &domain, &bus, &dev, 807 &func); 808 if (ret != 4) 809 return -EINVAL; 810 snprintf(kbusid, sizeof(kbusid), "pci:%04x:%02x:%02x.%d", domain, bus, 811 dev, func); 812 813 /* How many GPUs do we expect in the machine ? */ 814 for (i = 0; i < 16; i++) { 815 snprintf(oid, sizeof(oid), "hw.dri.%d.busid", i); 816 len = sizeof(sbusid); 817 ret = sysctlbyname(oid, sbusid, &len, NULL, 0); 818 if (ret == -1) { 819 if (errno == ENOENT) 820 continue; 821 return -EINVAL; 822 } 823 if (strcmp(sbusid, kbusid) != 0) 824 continue; 825 snprintf(oid, sizeof(oid), "hw.dri.%d.modesetting", i); 826 len = sizeof(modesetting); 827 ret = sysctlbyname(oid, &modesetting, &len, NULL, 0); 828 if (ret == -1 || len != sizeof(modesetting)) 829 return -EINVAL; 830 return (modesetting ? 0 : -ENOSYS); 831 } 832#elif defined(__DragonFly__) 833 return 0; 834#else 835 int fd; 836 static const struct drm_mode_card_res zero_res; 837 struct drm_mode_card_res res = zero_res; 838 int ret; 839 840 fd = drmOpen(NULL, busid); 841 if (fd == -1) 842 return -EINVAL; 843 ret = drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res); 844 drmClose(fd); 845 if (ret == 0) 846 return 0; 847#endif 848#ifdef __OpenBSD__ 849 int fd; 850 struct drm_mode_card_res res; 851 drmModeResPtr r = 0; 852 853 if ((fd = drmOpen(NULL, busid)) < 0) 854 return -EINVAL; 855 856 memset(&res, 0, sizeof(struct drm_mode_card_res)); 857 858 if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) { 859 drmClose(fd); 860 return -errno; 861 } 862 863 drmClose(fd); 864 return 0; 865#endif 866 return -ENOSYS; 867} 868 869int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size, 870 uint16_t *red, uint16_t *green, uint16_t *blue) 871{ 872 struct drm_mode_crtc_lut l; 873 874 memclear(l); 875 l.crtc_id = crtc_id; 876 l.gamma_size = size; 877 l.red = VOID2U64(red); 878 l.green = VOID2U64(green); 879 l.blue = VOID2U64(blue); 880 881 return DRM_IOCTL(fd, DRM_IOCTL_MODE_GETGAMMA, &l); 882} 883 884int drmModeCrtcSetGamma(int fd, uint32_t crtc_id, uint32_t size, 885 uint16_t *red, uint16_t *green, uint16_t *blue) 886{ 887 struct drm_mode_crtc_lut l; 888 889 memclear(l); 890 l.crtc_id = crtc_id; 891 l.gamma_size = size; 892 l.red = VOID2U64(red); 893 l.green = VOID2U64(green); 894 l.blue = VOID2U64(blue); 895 896 return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETGAMMA, &l); 897} 898 899int drmHandleEvent(int fd, drmEventContextPtr evctx) 900{ 901 char buffer[1024]; 902 int len, i; 903 struct drm_event *e; 904 struct drm_event_vblank *vblank; 905 struct drm_event_crtc_sequence *seq; 906 void *user_data; 907 908 /* The DRM read semantics guarantees that we always get only 909 * complete events. */ 910 911 len = read(fd, buffer, sizeof buffer); 912 if (len == 0) 913 return 0; 914 if (len < (int)sizeof *e) 915 return -1; 916 917 i = 0; 918 while (i < len) { 919 e = (struct drm_event *)(buffer + i); 920 switch (e->type) { 921 case DRM_EVENT_VBLANK: 922 if (evctx->version < 1 || 923 evctx->vblank_handler == NULL) 924 break; 925 vblank = (struct drm_event_vblank *) e; 926 evctx->vblank_handler(fd, 927 vblank->sequence, 928 vblank->tv_sec, 929 vblank->tv_usec, 930 U642VOID (vblank->user_data)); 931 break; 932 case DRM_EVENT_FLIP_COMPLETE: 933 vblank = (struct drm_event_vblank *) e; 934 user_data = U642VOID (vblank->user_data); 935 936 if (evctx->version >= 3 && evctx->page_flip_handler2) 937 evctx->page_flip_handler2(fd, 938 vblank->sequence, 939 vblank->tv_sec, 940 vblank->tv_usec, 941 vblank->crtc_id, 942 user_data); 943 else if (evctx->version >= 2 && evctx->page_flip_handler) 944 evctx->page_flip_handler(fd, 945 vblank->sequence, 946 vblank->tv_sec, 947 vblank->tv_usec, 948 user_data); 949 break; 950 case DRM_EVENT_CRTC_SEQUENCE: 951 seq = (struct drm_event_crtc_sequence *) e; 952 if (evctx->version >= 4 && evctx->sequence_handler) 953 evctx->sequence_handler(fd, 954 seq->sequence, 955 seq->time_ns, 956 seq->user_data); 957 break; 958 default: 959 break; 960 } 961 i += e->length; 962 } 963 964 return 0; 965} 966 967int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id, 968 uint32_t flags, void *user_data) 969{ 970 struct drm_mode_crtc_page_flip flip; 971 972 memclear(flip); 973 flip.fb_id = fb_id; 974 flip.crtc_id = crtc_id; 975 flip.user_data = VOID2U64(user_data); 976 flip.flags = flags; 977 978 return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip); 979} 980 981int drmModePageFlipTarget(int fd, uint32_t crtc_id, uint32_t fb_id, 982 uint32_t flags, void *user_data, 983 uint32_t target_vblank) 984{ 985 struct drm_mode_crtc_page_flip_target flip_target; 986 987 memclear(flip_target); 988 flip_target.fb_id = fb_id; 989 flip_target.crtc_id = crtc_id; 990 flip_target.user_data = VOID2U64(user_data); 991 flip_target.flags = flags; 992 flip_target.sequence = target_vblank; 993 994 return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip_target); 995} 996 997int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id, 998 uint32_t fb_id, uint32_t flags, 999 uint32_t crtc_x, uint32_t crtc_y, 1000 uint32_t crtc_w, uint32_t crtc_h, 1001 uint32_t src_x, uint32_t src_y, 1002 uint32_t src_w, uint32_t src_h) 1003{ 1004 struct drm_mode_set_plane s; 1005 1006 memclear(s); 1007 s.plane_id = plane_id; 1008 s.crtc_id = crtc_id; 1009 s.fb_id = fb_id; 1010 s.flags = flags; 1011 s.crtc_x = crtc_x; 1012 s.crtc_y = crtc_y; 1013 s.crtc_w = crtc_w; 1014 s.crtc_h = crtc_h; 1015 s.src_x = src_x; 1016 s.src_y = src_y; 1017 s.src_w = src_w; 1018 s.src_h = src_h; 1019 1020 return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETPLANE, &s); 1021} 1022 1023drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id) 1024{ 1025 struct drm_mode_get_plane ovr, counts; 1026 drmModePlanePtr r = 0; 1027 1028retry: 1029 memclear(ovr); 1030 ovr.plane_id = plane_id; 1031 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANE, &ovr)) 1032 return 0; 1033 1034 counts = ovr; 1035 1036 if (ovr.count_format_types) { 1037 ovr.format_type_ptr = VOID2U64(drmMalloc(ovr.count_format_types * 1038 sizeof(uint32_t))); 1039 if (!ovr.format_type_ptr) 1040 goto err_allocs; 1041 } 1042 1043 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANE, &ovr)) 1044 goto err_allocs; 1045 1046 if (counts.count_format_types < ovr.count_format_types) { 1047 drmFree(U642VOID(ovr.format_type_ptr)); 1048 goto retry; 1049 } 1050 1051 if (!(r = drmMalloc(sizeof(*r)))) 1052 goto err_allocs; 1053 1054 r->count_formats = ovr.count_format_types; 1055 r->plane_id = ovr.plane_id; 1056 r->crtc_id = ovr.crtc_id; 1057 r->fb_id = ovr.fb_id; 1058 r->possible_crtcs = ovr.possible_crtcs; 1059 r->gamma_size = ovr.gamma_size; 1060 r->formats = drmAllocCpy(U642VOID(ovr.format_type_ptr), 1061 ovr.count_format_types, sizeof(uint32_t)); 1062 if (ovr.count_format_types && !r->formats) { 1063 drmFree(r->formats); 1064 drmFree(r); 1065 r = 0; 1066 } 1067 1068err_allocs: 1069 drmFree(U642VOID(ovr.format_type_ptr)); 1070 1071 return r; 1072} 1073 1074void drmModeFreePlane(drmModePlanePtr ptr) 1075{ 1076 if (!ptr) 1077 return; 1078 1079 drmFree(ptr->formats); 1080 drmFree(ptr); 1081} 1082 1083drmModePlaneResPtr drmModeGetPlaneResources(int fd) 1084{ 1085 struct drm_mode_get_plane_res res, counts; 1086 drmModePlaneResPtr r = 0; 1087 1088retry: 1089 memclear(res); 1090 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &res)) 1091 return 0; 1092 1093 counts = res; 1094 1095 if (res.count_planes) { 1096 res.plane_id_ptr = VOID2U64(drmMalloc(res.count_planes * 1097 sizeof(uint32_t))); 1098 if (!res.plane_id_ptr) 1099 goto err_allocs; 1100 } 1101 1102 if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &res)) 1103 goto err_allocs; 1104 1105 if (counts.count_planes < res.count_planes) { 1106 drmFree(U642VOID(res.plane_id_ptr)); 1107 goto retry; 1108 } 1109 1110 if (!(r = drmMalloc(sizeof(*r)))) 1111 goto err_allocs; 1112 1113 r->count_planes = res.count_planes; 1114 r->planes = drmAllocCpy(U642VOID(res.plane_id_ptr), 1115 res.count_planes, sizeof(uint32_t)); 1116 if (res.count_planes && !r->planes) { 1117 drmFree(r->planes); 1118 drmFree(r); 1119 r = 0; 1120 } 1121 1122err_allocs: 1123 drmFree(U642VOID(res.plane_id_ptr)); 1124 1125 return r; 1126} 1127 1128void drmModeFreePlaneResources(drmModePlaneResPtr ptr) 1129{ 1130 if (!ptr) 1131 return; 1132 1133 drmFree(ptr->planes); 1134 drmFree(ptr); 1135} 1136 1137drmModeObjectPropertiesPtr drmModeObjectGetProperties(int fd, 1138 uint32_t object_id, 1139 uint32_t object_type) 1140{ 1141 struct drm_mode_obj_get_properties properties; 1142 drmModeObjectPropertiesPtr ret = NULL; 1143 uint32_t count; 1144 1145retry: 1146 memclear(properties); 1147 properties.obj_id = object_id; 1148 properties.obj_type = object_type; 1149 1150 if (drmIoctl(fd, DRM_IOCTL_MODE_OBJ_GETPROPERTIES, &properties)) 1151 return 0; 1152 1153 count = properties.count_props; 1154 1155 if (count) { 1156 properties.props_ptr = VOID2U64(drmMalloc(count * 1157 sizeof(uint32_t))); 1158 if (!properties.props_ptr) 1159 goto err_allocs; 1160 properties.prop_values_ptr = VOID2U64(drmMalloc(count * 1161 sizeof(uint64_t))); 1162 if (!properties.prop_values_ptr) 1163 goto err_allocs; 1164 } 1165 1166 if (drmIoctl(fd, DRM_IOCTL_MODE_OBJ_GETPROPERTIES, &properties)) 1167 goto err_allocs; 1168 1169 if (count < properties.count_props) { 1170 drmFree(U642VOID(properties.props_ptr)); 1171 drmFree(U642VOID(properties.prop_values_ptr)); 1172 goto retry; 1173 } 1174 count = properties.count_props; 1175 1176 ret = drmMalloc(sizeof(*ret)); 1177 if (!ret) 1178 goto err_allocs; 1179 1180 ret->count_props = count; 1181 ret->props = drmAllocCpy(U642VOID(properties.props_ptr), 1182 count, sizeof(uint32_t)); 1183 ret->prop_values = drmAllocCpy(U642VOID(properties.prop_values_ptr), 1184 count, sizeof(uint64_t)); 1185 if (ret->count_props && (!ret->props || !ret->prop_values)) { 1186 drmFree(ret->props); 1187 drmFree(ret->prop_values); 1188 drmFree(ret); 1189 ret = NULL; 1190 } 1191 1192err_allocs: 1193 drmFree(U642VOID(properties.props_ptr)); 1194 drmFree(U642VOID(properties.prop_values_ptr)); 1195 return ret; 1196} 1197 1198void drmModeFreeObjectProperties(drmModeObjectPropertiesPtr ptr) 1199{ 1200 if (!ptr) 1201 return; 1202 drmFree(ptr->props); 1203 drmFree(ptr->prop_values); 1204 drmFree(ptr); 1205} 1206 1207int drmModeObjectSetProperty(int fd, uint32_t object_id, uint32_t object_type, 1208 uint32_t property_id, uint64_t value) 1209{ 1210 struct drm_mode_obj_set_property prop; 1211 1212 memclear(prop); 1213 prop.value = value; 1214 prop.prop_id = property_id; 1215 prop.obj_id = object_id; 1216 prop.obj_type = object_type; 1217 1218 return DRM_IOCTL(fd, DRM_IOCTL_MODE_OBJ_SETPROPERTY, &prop); 1219} 1220 1221typedef struct _drmModeAtomicReqItem drmModeAtomicReqItem, *drmModeAtomicReqItemPtr; 1222 1223struct _drmModeAtomicReqItem { 1224 uint32_t object_id; 1225 uint32_t property_id; 1226 uint64_t value; 1227}; 1228 1229struct _drmModeAtomicReq { 1230 uint32_t cursor; 1231 uint32_t size_items; 1232 drmModeAtomicReqItemPtr items; 1233}; 1234 1235drmModeAtomicReqPtr drmModeAtomicAlloc(void) 1236{ 1237 drmModeAtomicReqPtr req; 1238 1239 req = drmMalloc(sizeof *req); 1240 if (!req) 1241 return NULL; 1242 1243 req->items = NULL; 1244 req->cursor = 0; 1245 req->size_items = 0; 1246 1247 return req; 1248} 1249 1250drmModeAtomicReqPtr drmModeAtomicDuplicate(drmModeAtomicReqPtr old) 1251{ 1252 drmModeAtomicReqPtr new; 1253 1254 if (!old) 1255 return NULL; 1256 1257 new = drmMalloc(sizeof *new); 1258 if (!new) 1259 return NULL; 1260 1261 new->cursor = old->cursor; 1262 new->size_items = old->size_items; 1263 1264 if (old->size_items) { 1265 new->items = drmMalloc(old->size_items * sizeof(*new->items)); 1266 if (!new->items) { 1267 free(new); 1268 return NULL; 1269 } 1270 memcpy(new->items, old->items, 1271 old->size_items * sizeof(*new->items)); 1272 } else { 1273 new->items = NULL; 1274 } 1275 1276 return new; 1277} 1278 1279int drmModeAtomicMerge(drmModeAtomicReqPtr base, drmModeAtomicReqPtr augment) 1280{ 1281 if (!base) 1282 return -EINVAL; 1283 1284 if (!augment || augment->cursor == 0) 1285 return 0; 1286 1287 if (base->cursor + augment->cursor >= base->size_items) { 1288 drmModeAtomicReqItemPtr new; 1289 int saved_size = base->size_items; 1290 1291 base->size_items = base->cursor + augment->cursor; 1292 new = realloc(base->items, 1293 base->size_items * sizeof(*base->items)); 1294 if (!new) { 1295 base->size_items = saved_size; 1296 return -ENOMEM; 1297 } 1298 base->items = new; 1299 } 1300 1301 memcpy(&base->items[base->cursor], augment->items, 1302 augment->cursor * sizeof(*augment->items)); 1303 base->cursor += augment->cursor; 1304 1305 return 0; 1306} 1307 1308int drmModeAtomicGetCursor(drmModeAtomicReqPtr req) 1309{ 1310 if (!req) 1311 return -EINVAL; 1312 return req->cursor; 1313} 1314 1315void drmModeAtomicSetCursor(drmModeAtomicReqPtr req, int cursor) 1316{ 1317 if (req) 1318 req->cursor = cursor; 1319} 1320 1321int drmModeAtomicAddProperty(drmModeAtomicReqPtr req, 1322 uint32_t object_id, 1323 uint32_t property_id, 1324 uint64_t value) 1325{ 1326 if (!req) 1327 return -EINVAL; 1328 1329 if (req->cursor >= req->size_items) { 1330 drmModeAtomicReqItemPtr new; 1331 1332 req->size_items += 16; 1333 new = realloc(req->items, req->size_items * sizeof(*req->items)); 1334 if (!new) { 1335 req->size_items -= 16; 1336 return -ENOMEM; 1337 } 1338 req->items = new; 1339 } 1340 1341 req->items[req->cursor].object_id = object_id; 1342 req->items[req->cursor].property_id = property_id; 1343 req->items[req->cursor].value = value; 1344 req->cursor++; 1345 1346 return req->cursor; 1347} 1348 1349void drmModeAtomicFree(drmModeAtomicReqPtr req) 1350{ 1351 if (!req) 1352 return; 1353 1354 if (req->items) 1355 drmFree(req->items); 1356 drmFree(req); 1357} 1358 1359static int sort_req_list(const void *misc, const void *other) 1360{ 1361 const drmModeAtomicReqItem *first = misc; 1362 const drmModeAtomicReqItem *second = other; 1363 1364 if (first->object_id < second->object_id) 1365 return -1; 1366 else if (first->object_id > second->object_id) 1367 return 1; 1368 else 1369 return second->property_id - first->property_id; 1370} 1371 1372int drmModeAtomicCommit(int fd, drmModeAtomicReqPtr req, uint32_t flags, 1373 void *user_data) 1374{ 1375 drmModeAtomicReqPtr sorted; 1376 struct drm_mode_atomic atomic; 1377 uint32_t *objs_ptr = NULL; 1378 uint32_t *count_props_ptr = NULL; 1379 uint32_t *props_ptr = NULL; 1380 uint64_t *prop_values_ptr = NULL; 1381 uint32_t last_obj_id = 0; 1382 uint32_t i; 1383 int obj_idx = -1; 1384 int ret = -1; 1385 1386 if (!req) 1387 return -EINVAL; 1388 1389 if (req->cursor == 0) 1390 return 0; 1391 1392 sorted = drmModeAtomicDuplicate(req); 1393 if (sorted == NULL) 1394 return -ENOMEM; 1395 1396 memclear(atomic); 1397 1398 /* Sort the list by object ID, then by property ID. */ 1399 qsort(sorted->items, sorted->cursor, sizeof(*sorted->items), 1400 sort_req_list); 1401 1402 /* Now the list is sorted, eliminate duplicate property sets. */ 1403 for (i = 0; i < sorted->cursor; i++) { 1404 if (sorted->items[i].object_id != last_obj_id) { 1405 atomic.count_objs++; 1406 last_obj_id = sorted->items[i].object_id; 1407 } 1408 1409 if (i == sorted->cursor - 1) 1410 continue; 1411 1412 if (sorted->items[i].object_id != sorted->items[i + 1].object_id || 1413 sorted->items[i].property_id != sorted->items[i + 1].property_id) 1414 continue; 1415 1416 memmove(&sorted->items[i], &sorted->items[i + 1], 1417 (sorted->cursor - i - 1) * sizeof(*sorted->items)); 1418 sorted->cursor--; 1419 } 1420 1421 objs_ptr = drmMalloc(atomic.count_objs * sizeof objs_ptr[0]); 1422 if (!objs_ptr) { 1423 errno = ENOMEM; 1424 goto out; 1425 } 1426 1427 count_props_ptr = drmMalloc(atomic.count_objs * sizeof count_props_ptr[0]); 1428 if (!count_props_ptr) { 1429 errno = ENOMEM; 1430 goto out; 1431 } 1432 1433 props_ptr = drmMalloc(sorted->cursor * sizeof props_ptr[0]); 1434 if (!props_ptr) { 1435 errno = ENOMEM; 1436 goto out; 1437 } 1438 1439 prop_values_ptr = drmMalloc(sorted->cursor * sizeof prop_values_ptr[0]); 1440 if (!prop_values_ptr) { 1441 errno = ENOMEM; 1442 goto out; 1443 } 1444 1445 for (i = 0, last_obj_id = 0; i < sorted->cursor; i++) { 1446 if (sorted->items[i].object_id != last_obj_id) { 1447 obj_idx++; 1448 objs_ptr[obj_idx] = sorted->items[i].object_id; 1449 last_obj_id = objs_ptr[obj_idx]; 1450 } 1451 1452 count_props_ptr[obj_idx]++; 1453 props_ptr[i] = sorted->items[i].property_id; 1454 prop_values_ptr[i] = sorted->items[i].value; 1455 1456 } 1457 1458 atomic.flags = flags; 1459 atomic.objs_ptr = VOID2U64(objs_ptr); 1460 atomic.count_props_ptr = VOID2U64(count_props_ptr); 1461 atomic.props_ptr = VOID2U64(props_ptr); 1462 atomic.prop_values_ptr = VOID2U64(prop_values_ptr); 1463 atomic.user_data = VOID2U64(user_data); 1464 1465 ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ATOMIC, &atomic); 1466 1467out: 1468 drmFree(objs_ptr); 1469 drmFree(count_props_ptr); 1470 drmFree(props_ptr); 1471 drmFree(prop_values_ptr); 1472 drmModeAtomicFree(sorted); 1473 1474 return ret; 1475} 1476 1477int 1478drmModeCreatePropertyBlob(int fd, const void *data, size_t length, uint32_t *id) 1479{ 1480 struct drm_mode_create_blob create; 1481 int ret; 1482 1483 if (length >= 0xffffffff) 1484 return -ERANGE; 1485 1486 memclear(create); 1487 1488 create.length = length; 1489 create.data = (uintptr_t) data; 1490 create.blob_id = 0; 1491 *id = 0; 1492 1493 ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &create); 1494 if (ret != 0) 1495 return ret; 1496 1497 *id = create.blob_id; 1498 return 0; 1499} 1500 1501int 1502drmModeDestroyPropertyBlob(int fd, uint32_t id) 1503{ 1504 struct drm_mode_destroy_blob destroy; 1505 1506 memclear(destroy); 1507 destroy.blob_id = id; 1508 return DRM_IOCTL(fd, DRM_IOCTL_MODE_DESTROYPROPBLOB, &destroy); 1509} 1510 1511int 1512drmModeCreateLease(int fd, const uint32_t *objects, int num_objects, int flags, uint32_t *lessee_id) 1513{ 1514 struct drm_mode_create_lease create; 1515 int ret; 1516 1517 memclear(create); 1518 create.object_ids = (uintptr_t) objects; 1519 create.object_count = num_objects; 1520 create.flags = flags; 1521 1522 ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_CREATE_LEASE, &create); 1523 if (ret == 0) { 1524 *lessee_id = create.lessee_id; 1525 return create.fd; 1526 } 1527 return -errno; 1528} 1529 1530drmModeLesseeListPtr 1531drmModeListLessees(int fd) 1532{ 1533 struct drm_mode_list_lessees list; 1534 uint32_t count; 1535 drmModeLesseeListPtr ret; 1536 1537 memclear(list); 1538 1539 if (DRM_IOCTL(fd, DRM_IOCTL_MODE_LIST_LESSEES, &list)) 1540 return NULL; 1541 1542 count = list.count_lessees; 1543 ret = drmMalloc(sizeof (drmModeLesseeListRes) + count * sizeof (ret->lessees[0])); 1544 if (!ret) 1545 return NULL; 1546 1547 list.lessees_ptr = VOID2U64(&ret->lessees[0]); 1548 if (DRM_IOCTL(fd, DRM_IOCTL_MODE_LIST_LESSEES, &list)) { 1549 drmFree(ret); 1550 return NULL; 1551 } 1552 1553 ret->count = count; 1554 return ret; 1555} 1556 1557drmModeObjectListPtr 1558drmModeGetLease(int fd) 1559{ 1560 struct drm_mode_get_lease get; 1561 uint32_t count; 1562 drmModeObjectListPtr ret; 1563 1564 memclear(get); 1565 1566 if (DRM_IOCTL(fd, DRM_IOCTL_MODE_GET_LEASE, &get)) 1567 return NULL; 1568 1569 count = get.count_objects; 1570 ret = drmMalloc(sizeof (drmModeObjectListRes) + count * sizeof (ret->objects[0])); 1571 if (!ret) 1572 return NULL; 1573 1574 get.objects_ptr = VOID2U64(&ret->objects[0]); 1575 if (DRM_IOCTL(fd, DRM_IOCTL_MODE_GET_LEASE, &get)) { 1576 drmFree(ret); 1577 return NULL; 1578 } 1579 1580 ret->count = count; 1581 return ret; 1582} 1583 1584int 1585drmModeRevokeLease(int fd, uint32_t lessee_id) 1586{ 1587 struct drm_mode_revoke_lease revoke; 1588 int ret; 1589 1590 memclear(revoke); 1591 1592 revoke.lessee_id = lessee_id; 1593 1594 ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_REVOKE_LEASE, &revoke); 1595 if (ret == 0) 1596 return 0; 1597 return -errno; 1598} 1599