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) 33 extern "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 /* Picture aspect ratio options */ 117 #define DRM_MODE_PICTURE_ASPECT_NONE 0 118 #define DRM_MODE_PICTURE_ASPECT_4_3 1 119 #define DRM_MODE_PICTURE_ASPECT_16_9 2 120 121 /* Dithering mode options */ 122 #define DRM_MODE_DITHERING_OFF 0 123 #define DRM_MODE_DITHERING_ON 1 124 #define DRM_MODE_DITHERING_AUTO 2 125 126 /* Dirty info options */ 127 #define DRM_MODE_DIRTY_OFF 0 128 #define DRM_MODE_DIRTY_ON 1 129 #define DRM_MODE_DIRTY_ANNOTATE 2 130 131 /* Link Status options */ 132 #define DRM_MODE_LINK_STATUS_GOOD 0 133 #define DRM_MODE_LINK_STATUS_BAD 1 134 135 struct drm_mode_modeinfo { 136 __u32 clock; 137 __u16 hdisplay; 138 __u16 hsync_start; 139 __u16 hsync_end; 140 __u16 htotal; 141 __u16 hskew; 142 __u16 vdisplay; 143 __u16 vsync_start; 144 __u16 vsync_end; 145 __u16 vtotal; 146 __u16 vscan; 147 148 __u32 vrefresh; 149 150 __u32 flags; 151 __u32 type; 152 char name[DRM_DISPLAY_MODE_LEN]; 153 }; 154 155 struct drm_mode_card_res { 156 __u64 fb_id_ptr; 157 __u64 crtc_id_ptr; 158 __u64 connector_id_ptr; 159 __u64 encoder_id_ptr; 160 __u32 count_fbs; 161 __u32 count_crtcs; 162 __u32 count_connectors; 163 __u32 count_encoders; 164 __u32 min_width; 165 __u32 max_width; 166 __u32 min_height; 167 __u32 max_height; 168 }; 169 170 struct drm_mode_crtc { 171 __u64 set_connectors_ptr; 172 __u32 count_connectors; 173 174 __u32 crtc_id; /**< Id */ 175 __u32 fb_id; /**< Id of framebuffer */ 176 177 __u32 x; /**< x Position on the framebuffer */ 178 __u32 y; /**< y Position on the framebuffer */ 179 180 __u32 gamma_size; 181 __u32 mode_valid; 182 struct drm_mode_modeinfo mode; 183 }; 184 185 #define DRM_MODE_PRESENT_TOP_FIELD (1<<0) 186 #define DRM_MODE_PRESENT_BOTTOM_FIELD (1<<1) 187 188 /* Planes blend with or override other bits on the CRTC */ 189 struct drm_mode_set_plane { 190 __u32 plane_id; 191 __u32 crtc_id; 192 __u32 fb_id; /* fb object contains surface format type */ 193 __u32 flags; /* see above flags */ 194 195 /* Signed dest location allows it to be partially off screen */ 196 __s32 crtc_x; 197 __s32 crtc_y; 198 __u32 crtc_w; 199 __u32 crtc_h; 200 201 /* Source values are 16.16 fixed point */ 202 __u32 src_x; 203 __u32 src_y; 204 __u32 src_h; 205 __u32 src_w; 206 }; 207 208 struct drm_mode_get_plane { 209 __u32 plane_id; 210 211 __u32 crtc_id; 212 __u32 fb_id; 213 214 __u32 possible_crtcs; 215 __u32 gamma_size; 216 217 __u32 count_format_types; 218 __u64 format_type_ptr; 219 }; 220 221 struct drm_mode_get_plane_res { 222 __u64 plane_id_ptr; 223 __u32 count_planes; 224 }; 225 226 #define DRM_MODE_ENCODER_NONE 0 227 #define DRM_MODE_ENCODER_DAC 1 228 #define DRM_MODE_ENCODER_TMDS 2 229 #define DRM_MODE_ENCODER_LVDS 3 230 #define DRM_MODE_ENCODER_TVDAC 4 231 #define DRM_MODE_ENCODER_VIRTUAL 5 232 #define DRM_MODE_ENCODER_DSI 6 233 #define DRM_MODE_ENCODER_DPMST 7 234 #define DRM_MODE_ENCODER_DPI 8 235 236 struct drm_mode_get_encoder { 237 __u32 encoder_id; 238 __u32 encoder_type; 239 240 __u32 crtc_id; /**< Id of crtc */ 241 242 __u32 possible_crtcs; 243 __u32 possible_clones; 244 }; 245 246 /* This is for connectors with multiple signal types. */ 247 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */ 248 enum drm_mode_subconnector { 249 DRM_MODE_SUBCONNECTOR_Automatic = 0, 250 DRM_MODE_SUBCONNECTOR_Unknown = 0, 251 DRM_MODE_SUBCONNECTOR_DVID = 3, 252 DRM_MODE_SUBCONNECTOR_DVIA = 4, 253 DRM_MODE_SUBCONNECTOR_Composite = 5, 254 DRM_MODE_SUBCONNECTOR_SVIDEO = 6, 255 DRM_MODE_SUBCONNECTOR_Component = 8, 256 DRM_MODE_SUBCONNECTOR_SCART = 9, 257 }; 258 259 #define DRM_MODE_CONNECTOR_Unknown 0 260 #define DRM_MODE_CONNECTOR_VGA 1 261 #define DRM_MODE_CONNECTOR_DVII 2 262 #define DRM_MODE_CONNECTOR_DVID 3 263 #define DRM_MODE_CONNECTOR_DVIA 4 264 #define DRM_MODE_CONNECTOR_Composite 5 265 #define DRM_MODE_CONNECTOR_SVIDEO 6 266 #define DRM_MODE_CONNECTOR_LVDS 7 267 #define DRM_MODE_CONNECTOR_Component 8 268 #define DRM_MODE_CONNECTOR_9PinDIN 9 269 #define DRM_MODE_CONNECTOR_DisplayPort 10 270 #define DRM_MODE_CONNECTOR_HDMIA 11 271 #define DRM_MODE_CONNECTOR_HDMIB 12 272 #define DRM_MODE_CONNECTOR_TV 13 273 #define DRM_MODE_CONNECTOR_eDP 14 274 #define DRM_MODE_CONNECTOR_VIRTUAL 15 275 #define DRM_MODE_CONNECTOR_DSI 16 276 #define DRM_MODE_CONNECTOR_DPI 17 277 278 struct drm_mode_get_connector { 279 280 __u64 encoders_ptr; 281 __u64 modes_ptr; 282 __u64 props_ptr; 283 __u64 prop_values_ptr; 284 285 __u32 count_modes; 286 __u32 count_props; 287 __u32 count_encoders; 288 289 __u32 encoder_id; /**< Current Encoder */ 290 __u32 connector_id; /**< Id */ 291 __u32 connector_type; 292 __u32 connector_type_id; 293 294 __u32 connection; 295 __u32 mm_width; /**< width in millimeters */ 296 __u32 mm_height; /**< height in millimeters */ 297 __u32 subpixel; 298 299 __u32 pad; 300 }; 301 302 #define DRM_MODE_PROP_PENDING (1<<0) 303 #define DRM_MODE_PROP_RANGE (1<<1) 304 #define DRM_MODE_PROP_IMMUTABLE (1<<2) 305 #define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */ 306 #define DRM_MODE_PROP_BLOB (1<<4) 307 #define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */ 308 309 /* non-extended types: legacy bitmask, one bit per type: */ 310 #define DRM_MODE_PROP_LEGACY_TYPE ( \ 311 DRM_MODE_PROP_RANGE | \ 312 DRM_MODE_PROP_ENUM | \ 313 DRM_MODE_PROP_BLOB | \ 314 DRM_MODE_PROP_BITMASK) 315 316 /* extended-types: rather than continue to consume a bit per type, 317 * grab a chunk of the bits to use as integer type id. 318 */ 319 #define DRM_MODE_PROP_EXTENDED_TYPE 0x0000ffc0 320 #define DRM_MODE_PROP_TYPE(n) ((n) << 6) 321 #define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1) 322 #define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2) 323 324 /* the PROP_ATOMIC flag is used to hide properties from userspace that 325 * is not aware of atomic properties. This is mostly to work around 326 * older userspace (DDX drivers) that read/write each prop they find, 327 * witout being aware that this could be triggering a lengthy modeset. 328 */ 329 #define DRM_MODE_PROP_ATOMIC 0x80000000 330 331 struct drm_mode_property_enum { 332 __u64 value; 333 char name[DRM_PROP_NAME_LEN]; 334 }; 335 336 struct drm_mode_get_property { 337 __u64 values_ptr; /* values and blob lengths */ 338 __u64 enum_blob_ptr; /* enum and blob id ptrs */ 339 340 __u32 prop_id; 341 __u32 flags; 342 char name[DRM_PROP_NAME_LEN]; 343 344 __u32 count_values; 345 /* This is only used to count enum values, not blobs. The _blobs is 346 * simply because of a historical reason, i.e. backwards compat. */ 347 __u32 count_enum_blobs; 348 }; 349 350 struct drm_mode_connector_set_property { 351 __u64 value; 352 __u32 prop_id; 353 __u32 connector_id; 354 }; 355 356 #define DRM_MODE_OBJECT_CRTC 0xcccccccc 357 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 358 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 359 #define DRM_MODE_OBJECT_MODE 0xdededede 360 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 361 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb 362 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb 363 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee 364 #define DRM_MODE_OBJECT_ANY 0 365 366 struct drm_mode_obj_get_properties { 367 __u64 props_ptr; 368 __u64 prop_values_ptr; 369 __u32 count_props; 370 __u32 obj_id; 371 __u32 obj_type; 372 }; 373 374 struct drm_mode_obj_set_property { 375 __u64 value; 376 __u32 prop_id; 377 __u32 obj_id; 378 __u32 obj_type; 379 }; 380 381 struct drm_mode_get_blob { 382 __u32 blob_id; 383 __u32 length; 384 __u64 data; 385 }; 386 387 struct drm_mode_fb_cmd { 388 __u32 fb_id; 389 __u32 width; 390 __u32 height; 391 __u32 pitch; 392 __u32 bpp; 393 __u32 depth; 394 /* driver specific handle */ 395 __u32 handle; 396 }; 397 398 #define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */ 399 #define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */ 400 401 struct drm_mode_fb_cmd2 { 402 __u32 fb_id; 403 __u32 width; 404 __u32 height; 405 __u32 pixel_format; /* fourcc code from drm_fourcc.h */ 406 __u32 flags; /* see above flags */ 407 408 /* 409 * In case of planar formats, this ioctl allows up to 4 410 * buffer objects with offsets and pitches per plane. 411 * The pitch and offset order is dictated by the fourcc, 412 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as: 413 * 414 * YUV 4:2:0 image with a plane of 8 bit Y samples 415 * followed by an interleaved U/V plane containing 416 * 8 bit 2x2 subsampled colour difference samples. 417 * 418 * So it would consist of Y as offsets[0] and UV as 419 * offsets[1]. Note that offsets[0] will generally 420 * be 0 (but this is not required). 421 * 422 * To accommodate tiled, compressed, etc formats, a 423 * modifier can be specified. The default value of zero 424 * indicates "native" format as specified by the fourcc. 425 * Vendor specific modifier token. Note that even though 426 * it looks like we have a modifier per-plane, we in fact 427 * do not. The modifier for each plane must be identical. 428 * Thus all combinations of different data layouts for 429 * multi plane formats must be enumerated as separate 430 * modifiers. 431 */ 432 __u32 handles[4]; 433 __u32 pitches[4]; /* pitch for each plane */ 434 __u32 offsets[4]; /* offset of each plane */ 435 __u64 modifier[4]; /* ie, tiling, compress */ 436 }; 437 438 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01 439 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02 440 #define DRM_MODE_FB_DIRTY_FLAGS 0x03 441 442 #define DRM_MODE_FB_DIRTY_MAX_CLIPS 256 443 444 /* 445 * Mark a region of a framebuffer as dirty. 446 * 447 * Some hardware does not automatically update display contents 448 * as a hardware or software draw to a framebuffer. This ioctl 449 * allows userspace to tell the kernel and the hardware what 450 * regions of the framebuffer have changed. 451 * 452 * The kernel or hardware is free to update more then just the 453 * region specified by the clip rects. The kernel or hardware 454 * may also delay and/or coalesce several calls to dirty into a 455 * single update. 456 * 457 * Userspace may annotate the updates, the annotates are a 458 * promise made by the caller that the change is either a copy 459 * of pixels or a fill of a single color in the region specified. 460 * 461 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then 462 * the number of updated regions are half of num_clips given, 463 * where the clip rects are paired in src and dst. The width and 464 * height of each one of the pairs must match. 465 * 466 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller 467 * promises that the region specified of the clip rects is filled 468 * completely with a single color as given in the color argument. 469 */ 470 471 struct drm_mode_fb_dirty_cmd { 472 __u32 fb_id; 473 __u32 flags; 474 __u32 color; 475 __u32 num_clips; 476 __u64 clips_ptr; 477 }; 478 479 struct drm_mode_mode_cmd { 480 __u32 connector_id; 481 struct drm_mode_modeinfo mode; 482 }; 483 484 #define DRM_MODE_CURSOR_BO 0x01 485 #define DRM_MODE_CURSOR_MOVE 0x02 486 #define DRM_MODE_CURSOR_FLAGS 0x03 487 488 /* 489 * depending on the value in flags different members are used. 490 * 491 * CURSOR_BO uses 492 * crtc_id 493 * width 494 * height 495 * handle - if 0 turns the cursor off 496 * 497 * CURSOR_MOVE uses 498 * crtc_id 499 * x 500 * y 501 */ 502 struct drm_mode_cursor { 503 __u32 flags; 504 __u32 crtc_id; 505 __s32 x; 506 __s32 y; 507 __u32 width; 508 __u32 height; 509 /* driver specific handle */ 510 __u32 handle; 511 }; 512 513 struct drm_mode_cursor2 { 514 __u32 flags; 515 __u32 crtc_id; 516 __s32 x; 517 __s32 y; 518 __u32 width; 519 __u32 height; 520 /* driver specific handle */ 521 __u32 handle; 522 __s32 hot_x; 523 __s32 hot_y; 524 }; 525 526 struct drm_mode_crtc_lut { 527 __u32 crtc_id; 528 __u32 gamma_size; 529 530 /* pointers to arrays */ 531 __u64 red; 532 __u64 green; 533 __u64 blue; 534 }; 535 536 struct drm_color_ctm { 537 /* Conversion matrix in S31.32 format. */ 538 __s64 matrix[9]; 539 }; 540 541 struct drm_color_lut { 542 /* 543 * Data is U0.16 fixed point format. 544 */ 545 __u16 red; 546 __u16 green; 547 __u16 blue; 548 __u16 reserved; 549 }; 550 551 #define DRM_MODE_PAGE_FLIP_EVENT 0x01 552 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02 553 #define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4 554 #define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8 555 #define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \ 556 DRM_MODE_PAGE_FLIP_TARGET_RELATIVE) 557 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \ 558 DRM_MODE_PAGE_FLIP_ASYNC | \ 559 DRM_MODE_PAGE_FLIP_TARGET) 560 561 /* 562 * Request a page flip on the specified crtc. 563 * 564 * This ioctl will ask KMS to schedule a page flip for the specified 565 * crtc. Once any pending rendering targeting the specified fb (as of 566 * ioctl time) has completed, the crtc will be reprogrammed to display 567 * that fb after the next vertical refresh. The ioctl returns 568 * immediately, but subsequent rendering to the current fb will block 569 * in the execbuffer ioctl until the page flip happens. If a page 570 * flip is already pending as the ioctl is called, EBUSY will be 571 * returned. 572 * 573 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank 574 * event (see drm.h: struct drm_event_vblank) when the page flip is 575 * done. The user_data field passed in with this ioctl will be 576 * returned as the user_data field in the vblank event struct. 577 * 578 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen 579 * 'as soon as possible', meaning that it not delay waiting for vblank. 580 * This may cause tearing on the screen. 581 * 582 * The reserved field must be zero. 583 */ 584 585 struct drm_mode_crtc_page_flip { 586 __u32 crtc_id; 587 __u32 fb_id; 588 __u32 flags; 589 __u32 reserved; 590 __u64 user_data; 591 }; 592 593 /* 594 * Request a page flip on the specified crtc. 595 * 596 * Same as struct drm_mode_crtc_page_flip, but supports new flags and 597 * re-purposes the reserved field: 598 * 599 * The sequence field must be zero unless either of the 600 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When 601 * the ABSOLUTE flag is specified, the sequence field denotes the absolute 602 * vblank sequence when the flip should take effect. When the RELATIVE 603 * flag is specified, the sequence field denotes the relative (to the 604 * current one when the ioctl is called) vblank sequence when the flip 605 * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to 606 * make sure the vblank sequence before the target one has passed before 607 * calling this ioctl. The purpose of the 608 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify 609 * the target for when code dealing with a page flip runs during a 610 * vertical blank period. 611 */ 612 613 struct drm_mode_crtc_page_flip_target { 614 __u32 crtc_id; 615 __u32 fb_id; 616 __u32 flags; 617 __u32 sequence; 618 __u64 user_data; 619 }; 620 621 /* create a dumb scanout buffer */ 622 struct drm_mode_create_dumb { 623 __u32 height; 624 __u32 width; 625 __u32 bpp; 626 __u32 flags; 627 /* handle, pitch, size will be returned */ 628 __u32 handle; 629 __u32 pitch; 630 __u64 size; 631 }; 632 633 /* set up for mmap of a dumb scanout buffer */ 634 struct drm_mode_map_dumb { 635 /** Handle for the object being mapped. */ 636 __u32 handle; 637 __u32 pad; 638 /** 639 * Fake offset to use for subsequent mmap call 640 * 641 * This is a fixed-size type for 32/64 compatibility. 642 */ 643 __u64 offset; 644 }; 645 646 struct drm_mode_destroy_dumb { 647 __u32 handle; 648 }; 649 650 /* page-flip flags are valid, plus: */ 651 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100 652 #define DRM_MODE_ATOMIC_NONBLOCK 0x0200 653 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400 654 655 #define DRM_MODE_ATOMIC_FLAGS (\ 656 DRM_MODE_PAGE_FLIP_EVENT |\ 657 DRM_MODE_PAGE_FLIP_ASYNC |\ 658 DRM_MODE_ATOMIC_TEST_ONLY |\ 659 DRM_MODE_ATOMIC_NONBLOCK |\ 660 DRM_MODE_ATOMIC_ALLOW_MODESET) 661 662 struct drm_mode_atomic { 663 __u32 flags; 664 __u32 count_objs; 665 __u64 objs_ptr; 666 __u64 count_props_ptr; 667 __u64 props_ptr; 668 __u64 prop_values_ptr; 669 __u64 reserved; 670 __u64 user_data; 671 }; 672 673 /** 674 * Create a new 'blob' data property, copying length bytes from data pointer, 675 * and returning new blob ID. 676 */ 677 struct drm_mode_create_blob { 678 /** Pointer to data to copy. */ 679 __u64 data; 680 /** Length of data to copy. */ 681 __u32 length; 682 /** Return: new property ID. */ 683 __u32 blob_id; 684 }; 685 686 /** 687 * Destroy a user-created blob property. 688 */ 689 struct drm_mode_destroy_blob { 690 __u32 blob_id; 691 }; 692 693 #if defined(__cplusplus) 694 } 695 #endif 696 697 #endif 698