drm_mode.h revision 2fd4b3cf888b560db61afa9e50dd42039e07a8b2
1/* 2 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> 3 * Copyright (c) 2007 Jakob Bornecrantz <wallbraker@gmail.com> 4 * Copyright (c) 2008 Red Hat Inc. 5 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA 6 * Copyright (c) 2007-2008 Intel Corporation 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 24 * IN THE SOFTWARE. 25 */ 26 27#ifndef _DRM_MODE_H 28#define _DRM_MODE_H 29 30#include "drm.h" 31 32#if defined(__cplusplus) 33extern "C" { 34#endif 35 36#define DRM_DISPLAY_INFO_LEN 32 37#define DRM_CONNECTOR_NAME_LEN 32 38#define DRM_DISPLAY_MODE_LEN 32 39#define DRM_PROP_NAME_LEN 32 40 41#define DRM_MODE_TYPE_BUILTIN (1<<0) 42#define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN) 43#define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN) 44#define DRM_MODE_TYPE_PREFERRED (1<<3) 45#define DRM_MODE_TYPE_DEFAULT (1<<4) 46#define DRM_MODE_TYPE_USERDEF (1<<5) 47#define DRM_MODE_TYPE_DRIVER (1<<6) 48 49/* Video mode flags */ 50/* bit compatible with the xrandr RR_ definitions (bits 0-13) 51 * 52 * ABI warning: Existing userspace really expects 53 * the mode flags to match the xrandr definitions. Any 54 * changes that don't match the xrandr definitions will 55 * likely need a new client cap or some other mechanism 56 * to avoid breaking existing userspace. This includes 57 * allocating new flags in the previously unused bits! 58 */ 59#define DRM_MODE_FLAG_PHSYNC (1<<0) 60#define DRM_MODE_FLAG_NHSYNC (1<<1) 61#define DRM_MODE_FLAG_PVSYNC (1<<2) 62#define DRM_MODE_FLAG_NVSYNC (1<<3) 63#define DRM_MODE_FLAG_INTERLACE (1<<4) 64#define DRM_MODE_FLAG_DBLSCAN (1<<5) 65#define DRM_MODE_FLAG_CSYNC (1<<6) 66#define DRM_MODE_FLAG_PCSYNC (1<<7) 67#define DRM_MODE_FLAG_NCSYNC (1<<8) 68#define DRM_MODE_FLAG_HSKEW (1<<9) /* hskew provided */ 69#define DRM_MODE_FLAG_BCAST (1<<10) 70#define DRM_MODE_FLAG_PIXMUX (1<<11) 71#define DRM_MODE_FLAG_DBLCLK (1<<12) 72#define DRM_MODE_FLAG_CLKDIV2 (1<<13) 73 /* 74 * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX 75 * (define not exposed to user space). 76 */ 77#define DRM_MODE_FLAG_3D_MASK (0x1f<<14) 78#define DRM_MODE_FLAG_3D_NONE (0<<14) 79#define DRM_MODE_FLAG_3D_FRAME_PACKING (1<<14) 80#define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (2<<14) 81#define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (3<<14) 82#define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (4<<14) 83#define DRM_MODE_FLAG_3D_L_DEPTH (5<<14) 84#define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (6<<14) 85#define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (7<<14) 86#define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (8<<14) 87 88/* Picture aspect ratio options */ 89#define DRM_MODE_PICTURE_ASPECT_NONE 0 90#define DRM_MODE_PICTURE_ASPECT_4_3 1 91#define DRM_MODE_PICTURE_ASPECT_16_9 2 92 93/* Aspect ratio flag bitmask (4 bits 22:19) */ 94#define DRM_MODE_FLAG_PIC_AR_MASK (0x0F<<19) 95#define DRM_MODE_FLAG_PIC_AR_NONE \ 96 (DRM_MODE_PICTURE_ASPECT_NONE<<19) 97#define DRM_MODE_FLAG_PIC_AR_4_3 \ 98 (DRM_MODE_PICTURE_ASPECT_4_3<<19) 99#define DRM_MODE_FLAG_PIC_AR_16_9 \ 100 (DRM_MODE_PICTURE_ASPECT_16_9<<19) 101 102/* DPMS flags */ 103/* bit compatible with the xorg definitions. */ 104#define DRM_MODE_DPMS_ON 0 105#define DRM_MODE_DPMS_STANDBY 1 106#define DRM_MODE_DPMS_SUSPEND 2 107#define DRM_MODE_DPMS_OFF 3 108 109/* Scaling mode options */ 110#define DRM_MODE_SCALE_NONE 0 /* Unmodified timing (display or 111 software can still scale) */ 112#define DRM_MODE_SCALE_FULLSCREEN 1 /* Full screen, ignore aspect */ 113#define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */ 114#define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */ 115 116/* Dithering mode options */ 117#define DRM_MODE_DITHERING_OFF 0 118#define DRM_MODE_DITHERING_ON 1 119#define DRM_MODE_DITHERING_AUTO 2 120 121/* Dirty info options */ 122#define DRM_MODE_DIRTY_OFF 0 123#define DRM_MODE_DIRTY_ON 1 124#define DRM_MODE_DIRTY_ANNOTATE 2 125 126struct drm_mode_modeinfo { 127 __u32 clock; 128 __u16 hdisplay; 129 __u16 hsync_start; 130 __u16 hsync_end; 131 __u16 htotal; 132 __u16 hskew; 133 __u16 vdisplay; 134 __u16 vsync_start; 135 __u16 vsync_end; 136 __u16 vtotal; 137 __u16 vscan; 138 139 __u32 vrefresh; 140 141 __u32 flags; 142 __u32 type; 143 char name[DRM_DISPLAY_MODE_LEN]; 144}; 145 146struct drm_mode_card_res { 147 __u64 fb_id_ptr; 148 __u64 crtc_id_ptr; 149 __u64 connector_id_ptr; 150 __u64 encoder_id_ptr; 151 __u32 count_fbs; 152 __u32 count_crtcs; 153 __u32 count_connectors; 154 __u32 count_encoders; 155 __u32 min_width; 156 __u32 max_width; 157 __u32 min_height; 158 __u32 max_height; 159}; 160 161struct drm_mode_crtc { 162 __u64 set_connectors_ptr; 163 __u32 count_connectors; 164 165 __u32 crtc_id; /**< Id */ 166 __u32 fb_id; /**< Id of framebuffer */ 167 168 __u32 x; /**< x Position on the framebuffer */ 169 __u32 y; /**< y Position on the framebuffer */ 170 171 __u32 gamma_size; 172 __u32 mode_valid; 173 struct drm_mode_modeinfo mode; 174}; 175 176#define DRM_MODE_PRESENT_TOP_FIELD (1<<0) 177#define DRM_MODE_PRESENT_BOTTOM_FIELD (1<<1) 178 179/* Planes blend with or override other bits on the CRTC */ 180struct drm_mode_set_plane { 181 __u32 plane_id; 182 __u32 crtc_id; 183 __u32 fb_id; /* fb object contains surface format type */ 184 __u32 flags; /* see above flags */ 185 186 /* Signed dest location allows it to be partially off screen */ 187 __s32 crtc_x; 188 __s32 crtc_y; 189 __u32 crtc_w; 190 __u32 crtc_h; 191 192 /* Source values are 16.16 fixed point */ 193 __u32 src_x; 194 __u32 src_y; 195 __u32 src_h; 196 __u32 src_w; 197}; 198 199struct drm_mode_get_plane { 200 __u32 plane_id; 201 202 __u32 crtc_id; 203 __u32 fb_id; 204 205 __u32 possible_crtcs; 206 __u32 gamma_size; 207 208 __u32 count_format_types; 209 __u64 format_type_ptr; 210}; 211 212struct drm_mode_get_plane_res { 213 __u64 plane_id_ptr; 214 __u32 count_planes; 215}; 216 217#define DRM_MODE_ENCODER_NONE 0 218#define DRM_MODE_ENCODER_DAC 1 219#define DRM_MODE_ENCODER_TMDS 2 220#define DRM_MODE_ENCODER_LVDS 3 221#define DRM_MODE_ENCODER_TVDAC 4 222#define DRM_MODE_ENCODER_VIRTUAL 5 223#define DRM_MODE_ENCODER_DSI 6 224#define DRM_MODE_ENCODER_DPMST 7 225#define DRM_MODE_ENCODER_DPI 8 226 227struct drm_mode_get_encoder { 228 __u32 encoder_id; 229 __u32 encoder_type; 230 231 __u32 crtc_id; /**< Id of crtc */ 232 233 __u32 possible_crtcs; 234 __u32 possible_clones; 235}; 236 237/* This is for connectors with multiple signal types. */ 238/* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */ 239enum drm_mode_subconnector { 240 DRM_MODE_SUBCONNECTOR_Automatic = 0, 241 DRM_MODE_SUBCONNECTOR_Unknown = 0, 242 DRM_MODE_SUBCONNECTOR_DVID = 3, 243 DRM_MODE_SUBCONNECTOR_DVIA = 4, 244 DRM_MODE_SUBCONNECTOR_Composite = 5, 245 DRM_MODE_SUBCONNECTOR_SVIDEO = 6, 246 DRM_MODE_SUBCONNECTOR_Component = 8, 247 DRM_MODE_SUBCONNECTOR_SCART = 9, 248}; 249 250#define DRM_MODE_CONNECTOR_Unknown 0 251#define DRM_MODE_CONNECTOR_VGA 1 252#define DRM_MODE_CONNECTOR_DVII 2 253#define DRM_MODE_CONNECTOR_DVID 3 254#define DRM_MODE_CONNECTOR_DVIA 4 255#define DRM_MODE_CONNECTOR_Composite 5 256#define DRM_MODE_CONNECTOR_SVIDEO 6 257#define DRM_MODE_CONNECTOR_LVDS 7 258#define DRM_MODE_CONNECTOR_Component 8 259#define DRM_MODE_CONNECTOR_9PinDIN 9 260#define DRM_MODE_CONNECTOR_DisplayPort 10 261#define DRM_MODE_CONNECTOR_HDMIA 11 262#define DRM_MODE_CONNECTOR_HDMIB 12 263#define DRM_MODE_CONNECTOR_TV 13 264#define DRM_MODE_CONNECTOR_eDP 14 265#define DRM_MODE_CONNECTOR_VIRTUAL 15 266#define DRM_MODE_CONNECTOR_DSI 16 267#define DRM_MODE_CONNECTOR_DPI 17 268 269struct drm_mode_get_connector { 270 271 __u64 encoders_ptr; 272 __u64 modes_ptr; 273 __u64 props_ptr; 274 __u64 prop_values_ptr; 275 276 __u32 count_modes; 277 __u32 count_props; 278 __u32 count_encoders; 279 280 __u32 encoder_id; /**< Current Encoder */ 281 __u32 connector_id; /**< Id */ 282 __u32 connector_type; 283 __u32 connector_type_id; 284 285 __u32 connection; 286 __u32 mm_width; /**< width in millimeters */ 287 __u32 mm_height; /**< height in millimeters */ 288 __u32 subpixel; 289 290 __u32 pad; 291}; 292 293#define DRM_MODE_PROP_PENDING (1<<0) 294#define DRM_MODE_PROP_RANGE (1<<1) 295#define DRM_MODE_PROP_IMMUTABLE (1<<2) 296#define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */ 297#define DRM_MODE_PROP_BLOB (1<<4) 298#define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */ 299 300/* non-extended types: legacy bitmask, one bit per type: */ 301#define DRM_MODE_PROP_LEGACY_TYPE ( \ 302 DRM_MODE_PROP_RANGE | \ 303 DRM_MODE_PROP_ENUM | \ 304 DRM_MODE_PROP_BLOB | \ 305 DRM_MODE_PROP_BITMASK) 306 307/* extended-types: rather than continue to consume a bit per type, 308 * grab a chunk of the bits to use as integer type id. 309 */ 310#define DRM_MODE_PROP_EXTENDED_TYPE 0x0000ffc0 311#define DRM_MODE_PROP_TYPE(n) ((n) << 6) 312#define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1) 313#define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2) 314 315/* the PROP_ATOMIC flag is used to hide properties from userspace that 316 * is not aware of atomic properties. This is mostly to work around 317 * older userspace (DDX drivers) that read/write each prop they find, 318 * witout being aware that this could be triggering a lengthy modeset. 319 */ 320#define DRM_MODE_PROP_ATOMIC 0x80000000 321 322struct drm_mode_property_enum { 323 __u64 value; 324 char name[DRM_PROP_NAME_LEN]; 325}; 326 327struct drm_mode_get_property { 328 __u64 values_ptr; /* values and blob lengths */ 329 __u64 enum_blob_ptr; /* enum and blob id ptrs */ 330 331 __u32 prop_id; 332 __u32 flags; 333 char name[DRM_PROP_NAME_LEN]; 334 335 __u32 count_values; 336 /* This is only used to count enum values, not blobs. The _blobs is 337 * simply because of a historical reason, i.e. backwards compat. */ 338 __u32 count_enum_blobs; 339}; 340 341struct drm_mode_connector_set_property { 342 __u64 value; 343 __u32 prop_id; 344 __u32 connector_id; 345}; 346 347#define DRM_MODE_OBJECT_CRTC 0xcccccccc 348#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 349#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 350#define DRM_MODE_OBJECT_MODE 0xdededede 351#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 352#define DRM_MODE_OBJECT_FB 0xfbfbfbfb 353#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb 354#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee 355#define DRM_MODE_OBJECT_ANY 0 356 357struct drm_mode_obj_get_properties { 358 __u64 props_ptr; 359 __u64 prop_values_ptr; 360 __u32 count_props; 361 __u32 obj_id; 362 __u32 obj_type; 363}; 364 365struct drm_mode_obj_set_property { 366 __u64 value; 367 __u32 prop_id; 368 __u32 obj_id; 369 __u32 obj_type; 370}; 371 372struct drm_mode_get_blob { 373 __u32 blob_id; 374 __u32 length; 375 __u64 data; 376}; 377 378struct drm_mode_fb_cmd { 379 __u32 fb_id; 380 __u32 width; 381 __u32 height; 382 __u32 pitch; 383 __u32 bpp; 384 __u32 depth; 385 /* driver specific handle */ 386 __u32 handle; 387}; 388 389#define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */ 390#define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */ 391 392struct drm_mode_fb_cmd2 { 393 __u32 fb_id; 394 __u32 width; 395 __u32 height; 396 __u32 pixel_format; /* fourcc code from drm_fourcc.h */ 397 __u32 flags; /* see above flags */ 398 399 /* 400 * In case of planar formats, this ioctl allows up to 4 401 * buffer objects with offsets and pitches per plane. 402 * The pitch and offset order is dictated by the fourcc, 403 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as: 404 * 405 * YUV 4:2:0 image with a plane of 8 bit Y samples 406 * followed by an interleaved U/V plane containing 407 * 8 bit 2x2 subsampled colour difference samples. 408 * 409 * So it would consist of Y as offsets[0] and UV as 410 * offsets[1]. Note that offsets[0] will generally 411 * be 0 (but this is not required). 412 * 413 * To accommodate tiled, compressed, etc formats, a 414 * modifier can be specified. The default value of zero 415 * indicates "native" format as specified by the fourcc. 416 * Vendor specific modifier token. Note that even though 417 * it looks like we have a modifier per-plane, we in fact 418 * do not. The modifier for each plane must be identical. 419 * Thus all combinations of different data layouts for 420 * multi plane formats must be enumerated as separate 421 * modifiers. 422 */ 423 __u32 handles[4]; 424 __u32 pitches[4]; /* pitch for each plane */ 425 __u32 offsets[4]; /* offset of each plane */ 426 __u64 modifier[4]; /* ie, tiling, compress */ 427}; 428 429#define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01 430#define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02 431#define DRM_MODE_FB_DIRTY_FLAGS 0x03 432 433#define DRM_MODE_FB_DIRTY_MAX_CLIPS 256 434 435/* 436 * Mark a region of a framebuffer as dirty. 437 * 438 * Some hardware does not automatically update display contents 439 * as a hardware or software draw to a framebuffer. This ioctl 440 * allows userspace to tell the kernel and the hardware what 441 * regions of the framebuffer have changed. 442 * 443 * The kernel or hardware is free to update more then just the 444 * region specified by the clip rects. The kernel or hardware 445 * may also delay and/or coalesce several calls to dirty into a 446 * single update. 447 * 448 * Userspace may annotate the updates, the annotates are a 449 * promise made by the caller that the change is either a copy 450 * of pixels or a fill of a single color in the region specified. 451 * 452 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then 453 * the number of updated regions are half of num_clips given, 454 * where the clip rects are paired in src and dst. The width and 455 * height of each one of the pairs must match. 456 * 457 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller 458 * promises that the region specified of the clip rects is filled 459 * completely with a single color as given in the color argument. 460 */ 461 462struct drm_mode_fb_dirty_cmd { 463 __u32 fb_id; 464 __u32 flags; 465 __u32 color; 466 __u32 num_clips; 467 __u64 clips_ptr; 468}; 469 470struct drm_mode_mode_cmd { 471 __u32 connector_id; 472 struct drm_mode_modeinfo mode; 473}; 474 475#define DRM_MODE_CURSOR_BO 0x01 476#define DRM_MODE_CURSOR_MOVE 0x02 477#define DRM_MODE_CURSOR_FLAGS 0x03 478 479/* 480 * depending on the value in flags different members are used. 481 * 482 * CURSOR_BO uses 483 * crtc_id 484 * width 485 * height 486 * handle - if 0 turns the cursor off 487 * 488 * CURSOR_MOVE uses 489 * crtc_id 490 * x 491 * y 492 */ 493struct drm_mode_cursor { 494 __u32 flags; 495 __u32 crtc_id; 496 __s32 x; 497 __s32 y; 498 __u32 width; 499 __u32 height; 500 /* driver specific handle */ 501 __u32 handle; 502}; 503 504struct drm_mode_cursor2 { 505 __u32 flags; 506 __u32 crtc_id; 507 __s32 x; 508 __s32 y; 509 __u32 width; 510 __u32 height; 511 /* driver specific handle */ 512 __u32 handle; 513 __s32 hot_x; 514 __s32 hot_y; 515}; 516 517struct drm_mode_crtc_lut { 518 __u32 crtc_id; 519 __u32 gamma_size; 520 521 /* pointers to arrays */ 522 __u64 red; 523 __u64 green; 524 __u64 blue; 525}; 526 527struct drm_color_ctm { 528 /* Conversion matrix in S31.32 format. */ 529 __s64 matrix[9]; 530}; 531 532struct drm_color_lut { 533 /* 534 * Data is U0.16 fixed point format. 535 */ 536 __u16 red; 537 __u16 green; 538 __u16 blue; 539 __u16 reserved; 540}; 541 542#define DRM_MODE_PAGE_FLIP_EVENT 0x01 543#define DRM_MODE_PAGE_FLIP_ASYNC 0x02 544#define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4 545#define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8 546#define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \ 547 DRM_MODE_PAGE_FLIP_TARGET_RELATIVE) 548#define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \ 549 DRM_MODE_PAGE_FLIP_ASYNC | \ 550 DRM_MODE_PAGE_FLIP_TARGET) 551 552/* 553 * Request a page flip on the specified crtc. 554 * 555 * This ioctl will ask KMS to schedule a page flip for the specified 556 * crtc. Once any pending rendering targeting the specified fb (as of 557 * ioctl time) has completed, the crtc will be reprogrammed to display 558 * that fb after the next vertical refresh. The ioctl returns 559 * immediately, but subsequent rendering to the current fb will block 560 * in the execbuffer ioctl until the page flip happens. If a page 561 * flip is already pending as the ioctl is called, EBUSY will be 562 * returned. 563 * 564 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank 565 * event (see drm.h: struct drm_event_vblank) when the page flip is 566 * done. The user_data field passed in with this ioctl will be 567 * returned as the user_data field in the vblank event struct. 568 * 569 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen 570 * 'as soon as possible', meaning that it not delay waiting for vblank. 571 * This may cause tearing on the screen. 572 * 573 * The reserved field must be zero. 574 */ 575 576struct drm_mode_crtc_page_flip { 577 __u32 crtc_id; 578 __u32 fb_id; 579 __u32 flags; 580 __u32 reserved; 581 __u64 user_data; 582}; 583 584/* 585 * Request a page flip on the specified crtc. 586 * 587 * Same as struct drm_mode_crtc_page_flip, but supports new flags and 588 * re-purposes the reserved field: 589 * 590 * The sequence field must be zero unless either of the 591 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When 592 * the ABSOLUTE flag is specified, the sequence field denotes the absolute 593 * vblank sequence when the flip should take effect. When the RELATIVE 594 * flag is specified, the sequence field denotes the relative (to the 595 * current one when the ioctl is called) vblank sequence when the flip 596 * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to 597 * make sure the vblank sequence before the target one has passed before 598 * calling this ioctl. The purpose of the 599 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify 600 * the target for when code dealing with a page flip runs during a 601 * vertical blank period. 602 */ 603 604struct drm_mode_crtc_page_flip_target { 605 __u32 crtc_id; 606 __u32 fb_id; 607 __u32 flags; 608 __u32 sequence; 609 __u64 user_data; 610}; 611 612/* create a dumb scanout buffer */ 613struct drm_mode_create_dumb { 614 __u32 height; 615 __u32 width; 616 __u32 bpp; 617 __u32 flags; 618 /* handle, pitch, size will be returned */ 619 __u32 handle; 620 __u32 pitch; 621 __u64 size; 622}; 623 624/* set up for mmap of a dumb scanout buffer */ 625struct drm_mode_map_dumb { 626 /** Handle for the object being mapped. */ 627 __u32 handle; 628 __u32 pad; 629 /** 630 * Fake offset to use for subsequent mmap call 631 * 632 * This is a fixed-size type for 32/64 compatibility. 633 */ 634 __u64 offset; 635}; 636 637struct drm_mode_destroy_dumb { 638 __u32 handle; 639}; 640 641/* page-flip flags are valid, plus: */ 642#define DRM_MODE_ATOMIC_TEST_ONLY 0x0100 643#define DRM_MODE_ATOMIC_NONBLOCK 0x0200 644#define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400 645 646#define DRM_MODE_ATOMIC_FLAGS (\ 647 DRM_MODE_PAGE_FLIP_EVENT |\ 648 DRM_MODE_PAGE_FLIP_ASYNC |\ 649 DRM_MODE_ATOMIC_TEST_ONLY |\ 650 DRM_MODE_ATOMIC_NONBLOCK |\ 651 DRM_MODE_ATOMIC_ALLOW_MODESET) 652 653struct drm_mode_atomic { 654 __u32 flags; 655 __u32 count_objs; 656 __u64 objs_ptr; 657 __u64 count_props_ptr; 658 __u64 props_ptr; 659 __u64 prop_values_ptr; 660 __u64 reserved; 661 __u64 user_data; 662}; 663 664/** 665 * Create a new 'blob' data property, copying length bytes from data pointer, 666 * and returning new blob ID. 667 */ 668struct drm_mode_create_blob { 669 /** Pointer to data to copy. */ 670 __u64 data; 671 /** Length of data to copy. */ 672 __u32 length; 673 /** Return: new property ID. */ 674 __u32 blob_id; 675}; 676 677/** 678 * Destroy a user-created blob property. 679 */ 680struct drm_mode_destroy_blob { 681 __u32 blob_id; 682}; 683 684#if defined(__cplusplus) 685} 686#endif 687 688#endif 689